CN102820177A - High voltage sulfur hexafluoride breaker and double acting transmission device thereof - Google Patents

Abstract

Translated fromChinese

本发明涉及一种高压六氟化硫断路器及其双动传动装置，包括静弧触头、静触头组件和动触头组件，在动触头组件和静弧触头之间设有双动传动装置，动触头组件通过双动传动装置带动静弧触头做反向运动，所述双动传动装置包括平行设置的、均沿动触头组件运动方向延伸的主动齿条和静弧触头齿条，主动齿条和静弧触头齿条之间设有与该两齿条同时啮合传动的齿轮，该齿轮的转轴位置固定设置，主动齿条固定连接在动触头组件上、随动触头组件做直线往复移动，主动齿条通过齿轮带动静弧触头齿条做反向运动，静弧触头齿条固定连接在静弧触头上、带动静弧触头做直线往复移动。本发明结构简单、成本低，很好的满足了断路器对分闸速度的要求。

The invention relates to a high-voltage sulfur hexafluoride circuit breaker and its double-acting transmission device, which includes a static arc contact, a static contact assembly, and a moving contact assembly. The moving transmission device, the moving contact assembly drives the static arc contact to move in reverse through the double-acting transmission device, and the double-acting transmission device includes active racks and static arc contacts arranged in parallel and extending along the moving direction of the moving contact assembly. The contact rack, the active rack and the static arc contact rack are provided with a gear that meshes with the two racks at the same time, the position of the rotating shaft of the gear is fixed, and the active rack is fixedly connected to the moving contact assembly. The moving contact assembly moves reciprocatingly in a straight line, the active rack drives the static arc contact rack to move in the opposite direction through the gear, the static arc contact rack is fixedly connected to the static arc contact, and drives the static arc contact to reciprocate in a straight line move. The invention has simple structure and low cost, and well satisfies the requirement of the circuit breaker on the opening speed.

Description

Translated fromChinese

一种高压六氟化硫断路器及其双动传动装置A high-voltage sulfur hexafluoride circuit breaker and its double-acting transmission device

技术领域technical field

本发明属于高压六氟化硫断路器技术领域，特别涉及一种双动式高压六氟化硫断路器及其双动传动装置。The invention belongs to the technical field of high-voltage sulfur hexafluoride circuit breakers, and in particular relates to a double-acting high-voltage sulfur hexafluoride circuit breaker and a double-acting transmission device thereof.

背景技术Background technique

随着对高压六氟化硫断路器灭弧室结构的不断深入研究，人们在单压压气式六氟化硫断路器灭弧室的基础上又发明了自能热膨胀式高压六氟化硫断路器灭弧室，其由于利用了电弧自身燃烧的能量，因而使操作功大为减小，在技术上前进了一大步。尽管如此，但由于目前的单压式和自能式断路器灭弧室，其动、静触头的分合方式采用静触头端固定，单纯依靠动触头端的运动来实现与静触头的分合，所以其分合闸操作时动触头的行程较大，分合闸动作时间较长，另外要求断路器操动机构的操作功也较大。With the continuous and in-depth research on the structure of the high-voltage sulfur hexafluoride circuit breaker arc extinguishing chamber, people have invented a self-energy thermal expansion high-voltage sulfur hexafluoride circuit breaker on the basis of the single-pressure compressed gas type sulfur hexafluoride circuit breaker arc extinguishing chamber The arc extinguishing chamber of the arc breaker uses the energy of the arc itself to greatly reduce the operating work, which is a big step forward in technology. Even so, due to the current single-pressure and self-energy circuit breaker interrupters, the opening and closing of the dynamic and static contacts are fixed by the static contact end, and the movement of the movable contact end is used to achieve contact with the static contact. Therefore, the stroke of the moving contact is larger during the opening and closing operation, and the opening and closing action time is longer. In addition, the operating work of the circuit breaker operating mechanism is also required to be relatively large.

为了实现降低操作功及提高分闸速度使得分闸时能尽可能的减小达到灭弧断口距离所需的时间，出现了一种双动式高压断路器，在其灭弧室的动触头和静弧触头之间增设了双动传动装置，使得静弧触头与动触头做同步的反向运动，即在分闸时两者相背运动，合闸时两者相向运动。中国专利文献CN101599389B即公开了一种具有这种功能的双动式自能热膨胀型高压六氟化硫断路器灭弧室，其包括动触头机构和安装在动触头机构正上方的静触头机构，静触头机构包括静主触头、静弧触头座和静弧触头，动触头机构包括灭弧喷口、动主触头和动弧触头，动主触头和动弧触头分别与静主触头和静弧触头相对应，灭弧喷口包括内外同轴设置的主喷口和内喷口，动弧触头位于内喷口内部；该灭弧室通过与动触头机构相连的推拉杆驱动拨叉旋转、进而通过连接静弧触头和拨叉的销轴与横向销孔的配合来带动静弧触头沿竖向导轨上下运动，实现动触头和静弧触头的反向运动，这种采用拨叉、导轨形式的双动传动装置不仅结构复杂、占用空间较大，对加工和装配的精度要求也较高，生产工艺较复杂、存在着加工和装配难度较大、制造成本较高的技术问题，另外拨叉传动的传动比不易控制，使得静弧触头的动作时间和运动距离不易控制在恒定的数值上，且容易出现静弧触头动作滞后的现象，其动作时间的稳定性较差。In order to reduce the operating power and increase the opening speed so that the time required to reach the arc-extinguishing fracture distance can be reduced as much as possible when opening, a double-acting high-voltage circuit breaker has appeared. The moving contact in the arc-extinguishing chamber A double-action transmission device is added between the static arc contact and the static arc contact, so that the static arc contact and the moving contact move synchronously in reverse, that is, the two move in opposite directions when the brake is opened, and the two move toward each other when the brake is closed. Chinese patent document CN101599389B discloses a double-acting self-energy thermal expansion type high-voltage sulfur hexafluoride circuit breaker arc extinguishing chamber with this function, which includes a moving contact mechanism and a static contact installed directly above the moving contact mechanism The head mechanism, the static contact mechanism includes the static main contact, the static arc contact seat and the static arc contact, the moving contact mechanism includes the arc extinguishing nozzle, the moving main contact and the moving arc contact, the moving main contact and the moving arc The contacts correspond to the static main contact and the static arc contact respectively. The arc extinguishing nozzle includes the main nozzle and the inner nozzle coaxially arranged inside and outside, and the moving arc contact is located inside the inner nozzle; The connected push-pull rod drives the shift fork to rotate, and then through the cooperation between the pin shaft connecting the static arc contact and the shift fork and the horizontal pin hole, the static arc contact is driven to move up and down along the vertical guide rail to realize the moving contact and static arc contact. The reverse movement of this kind of double-action transmission device in the form of a shift fork and a guide rail is not only complex in structure and takes up a large space, but also requires high precision in processing and assembly. In addition, the transmission ratio of the fork transmission is not easy to control, making it difficult to control the action time and movement distance of the static arc contact at a constant value, and it is prone to lagging of the static arc contact , the stability of its action time is poor.

发明内容Contents of the invention

本发明的目的是提供一种结构和制造工艺简单、成本较低的高压六氟化硫断路器的双动传动装置。同时，本发明还提供一种装有这种双动传动装置的高压六氟化硫断路器。The purpose of the present invention is to provide a double-action transmission device for a high-voltage sulfur hexafluoride circuit breaker with simple structure and manufacturing process and low cost. At the same time, the present invention also provides a high-voltage sulfur hexafluoride circuit breaker equipped with the double-acting transmission device.

为实现上述目的，本发明的一种高压六氟化硫断路器采用如下技术方案：一种高压六氟化硫断路器，包括静弧触头、静触头组件和能相对静触头组件直线往复移动的动触头组件，在动触头组件和静弧触头之间设有双动传动装置，动触头组件通过双动传动装置带动静弧触头做反向运动，所述双动传动装置包括平行设置的、均沿动触头组件运动方向延伸的主动齿条和静弧触头齿条，主动齿条和静弧触头齿条之间设有与该两齿条同时啮合传动的齿轮，该齿轮的转轴位置固定设置，主动齿条固定连接在动触头组件上、随动触头组件做直线往复移动，主动齿条通过齿轮带动静弧触头齿条做反向运动，静弧触头齿条固定连接在静弧触头上、带动静弧触头做直线往复移动。In order to achieve the above purpose, a high-voltage sulfur hexafluoride circuit breaker of the present invention adopts the following technical scheme: a high-voltage sulfur hexafluoride circuit breaker, including a static arc contact, a static contact assembly, and a straight line that can be connected to the static contact assembly The reciprocating moving contact assembly is provided with a double-acting transmission device between the moving contact assembly and the static arc contact, and the moving contact assembly drives the static arc contact to perform reverse movement through the double-action transmission The transmission device includes an active rack and a static arc contact rack that are arranged in parallel and extend along the moving direction of the moving contact assembly. The position of the rotating shaft of the gear is fixed, the active rack is fixedly connected to the moving contact assembly, and the moving contact assembly moves back and forth in a straight line, and the active rack drives the static arc contact rack through the gear to perform reverse motion. The static arc contact rack is fixedly connected to the static arc contact, and drives the static arc contact to move back and forth in a straight line.

在主动齿条背面的一侧设有用于抵制主动齿条向远离齿轮的方向弹性变形的第一支撑件，在静弧触头齿条背面的一侧设有用于抵制静弧触头齿条向远离齿轮的方向弹性变形的第二支撑件，第一、第二支撑件的位置固定、并与相应齿条的背面滑动配合或者滚动配合。A first support for resisting the elastic deformation of the active rack in the direction away from the gear is provided on the back side of the active rack, and a first support member is provided on the back side of the static arc contact rack for resisting the direction of the static arc contact rack. The second supporting member is elastically deformable in the direction away from the gear, the first and second supporting members are fixed in position, and are slidingly or rollingly fitted with the back of the corresponding rack.

所述第一、第二支撑件为支撑滚轮或者支撑滚柱，第一、第二支撑件与齿轮三者的圆心共线，三者圆心连线垂直于动触头组件的运动方向。 The first and second support members are support rollers or support rollers, the centers of the first and second support members and the gear are collinear, and the line connecting the three centers of circles is perpendicular to the moving direction of the moving contact assembly. the

在齿轮的一侧或者两侧设有板面平行于齿轮平面的导向板，导向板固定安装在静触头组件上，所述齿轮转动安装在导向板上；主动齿条的上端与开设在导向板上的供引导主动齿条直线往复移动的第一导向槽导向配合；静弧触头齿条的上端与开设在导向板上的供引导静弧触头齿条直线往复移动的第二导向槽导向配合。On one or both sides of the gear, there is a guide plate with the plate surface parallel to the gear plane. The guide plate is fixedly installed on the static contact assembly, and the gear is rotatably installed on the guide plate; the upper end of the driving rack is set on the guide The first guide groove on the plate for guiding the linear reciprocating movement of the active rack is guided; the upper end of the static arc contact rack is set on the guide plate for guiding the linear reciprocating movement of the static arc contact rack. Orientation fit.

所述动触头组件的主喷口的上端固定设有喷口定位件，所述主动齿条的下端固定连接在喷口定位件上；所述静弧触头齿条的下端固定连接在静弧触头的上端。The upper end of the main nozzle of the moving contact assembly is fixedly provided with a nozzle positioning member, the lower end of the active rack is fixedly connected to the nozzle positioning member; the lower end of the static arc contact rack is fixedly connected to the static arc contact the upper end.

所述动触头组件的主喷口的上端固定设有喷口定位件，所述主动齿条的下端固定连接在喷口定位件上；所述静弧触头齿条的下端固定连接在静弧触头的上端。 The upper end of the main nozzle of the moving contact assembly is fixedly provided with a nozzle positioning member, the lower end of the active rack is fixedly connected to the nozzle positioning member; the lower end of the static arc contact rack is fixedly connected to the static arc contact the upper end. the

本发明的一种高压六氟化硫断路器的双动传动装置采用如下技术方案：一种高压六氟化硫断路器的双动传动装置，该传动装置包括平行设置的、均可沿动触头组件运动方向延伸的主动齿条和静弧触头齿条，主动齿条和静弧触头齿条之间设有与该两齿条同时啮合传动的齿轮，齿轮的转轴位置固定设置，主动齿条用于与动触头组件固定连接、随动触头组件做直线往复移动，主动齿条通过齿轮带动静弧触头齿条做反向运动，静弧触头齿条用于与静弧触头固定连接、带动静弧触头做直线往复移动。A double-action transmission device of a high-voltage sulfur hexafluoride circuit breaker of the present invention adopts the following technical scheme: a double-action transmission device of a high-voltage sulfur hexafluoride circuit breaker, the transmission device includes The active rack and the static arc contact rack extending in the moving direction of the head assembly. There is a gear meshing with the two racks at the same time between the active rack and the static arc contact rack. The position of the gear shaft is fixed. The rack is used for fixed connection with the moving contact assembly, and the moving contact assembly is used for linear reciprocating movement. The active rack drives the static arc contact rack through the gear to perform reverse movement, and the static arc contact rack is used for contact with the static arc. The contacts are fixedly connected and drive the static arc contacts to move back and forth in a straight line.

在主动齿条背面的一侧设有用于抵制主动齿条向远离齿轮的方向弹性变形的第一支撑件，在静弧触头齿条背面的一侧设有用于抵制静弧触头齿条向远离齿轮的方向弹性变形的第二支撑件，第一、第二支撑件的位置固定、并与相应齿条的背面滑动配合或者滚动配合。A first support for resisting the elastic deformation of the active rack in the direction away from the gear is provided on the back side of the active rack, and a first support member is provided on the back side of the static arc contact rack for resisting the direction of the static arc contact rack. The second supporting member is elastically deformable in the direction away from the gear, the first and second supporting members are fixed in position, and are slidingly or rollingly fitted with the back of the corresponding rack.

所述第一、第二支撑件为支撑滚轮或者支撑滚柱，第一、第二支撑件与齿轮三者的圆心共线，三者圆心连线垂直于动触头组件的运动方向。 The first and second support members are support rollers or support rollers, the centers of the first and second support members and the gear are collinear, and the line connecting the three centers of circles is perpendicular to the moving direction of the moving contact assembly. the

在齿轮的一侧或者两侧设有板面平行于齿轮平面的导向板，导向板用于固定安装在静触头组件上，所述齿轮转动安装在导向板上；所述主动齿条的下端为固定端、用于固定连接在动触头组件上，主动齿条的上端与开设在导向板上的供引导主动齿条直线往复移动的第一导向槽导向配合；所述静弧触头齿条的下端为固定端、用于固定连接在静弧触头上，静弧触头齿条的上端与开设在导向板上的供引导静弧触头齿条直线往复移动的第二导向槽导向配合。 On one or both sides of the gear, there is a guide plate with the plate surface parallel to the gear plane. The guide plate is used to be fixedly installed on the static contact assembly, and the gear is rotatably installed on the guide plate; the lower end of the driving rack It is a fixed end and is used to be fixedly connected to the moving contact assembly. The upper end of the active rack is guided and matched with the first guide groove on the guide plate for guiding the linear reciprocating movement of the active rack; the static arc contact teeth The lower end of the bar is a fixed end, which is used to be fixedly connected to the static arc contact. The upper end of the static arc contact rack is guided by the second guide groove on the guide plate for guiding the static arc contact rack to move back and forth in a straight line. Cooperate. the

本发明中，动触头组件与静弧触头之间的双动传动装置采用齿轮齿条传动结构后，与现有拨叉形式的传动结构相比，该传动装置的整体结构紧凑，齿轮、齿条加工和装配的工艺简单并且精度易于保证，制造成本降低；同时齿轮齿条传递动力较大，传动平稳、可靠性高，同时其传动比恒定、传动精度高，使得静弧触头与动触头组件有良好的同步性、并且响应速度快，经试验，本发明断路器的分闸速度可达15m/s，很好的满足了断路器对分闸速度的要求，并且使分合闸动作时间的稳定性和分合闸动作的可靠性都得到了有力的保障。 In the present invention, after the double-moving transmission device between the moving contact assembly and the static arc contact adopts a rack and pinion transmission structure, compared with the existing transmission structure in the form of a shift fork, the overall structure of the transmission device is compact, and the gears, The processing and assembly process of the rack is simple and the precision is easy to guarantee, and the manufacturing cost is reduced; at the same time, the rack and pinion transmits large power, stable transmission, and high reliability. The contact assembly has good synchronization and fast response speed. According to the test, the opening speed of the circuit breaker of the present invention can reach 15m/s, which satisfies the requirements of the circuit breaker on the opening speed, and makes the opening and closing The stability of the action time and the reliability of the opening and closing actions have been strongly guaranteed. the

本发明通过在导向板上设置与各齿条对应的导向槽后，便于对各齿条的运动进行导引，很好的保证了各齿条与齿轮的可靠啮合和动力传递，同时，还可以起到限位的作用，防止因速度过快发生过冲而损坏零件。通过设置第一、第二支撑件后，能够有效地减小在分合闸运动时主动齿条和静弧触头齿条的弹性变形，保证啮合传动的可靠性；两支撑件采用支撑滚轮或者滚柱的形式便于减小摩擦力和减少操作功的损耗。In the present invention, by setting guide slots corresponding to each rack on the guide plate, it is convenient to guide the movement of each rack, and the reliable meshing and power transmission between each rack and gear are well guaranteed. At the same time, it can also It acts as a limit to prevent damage to parts due to overshoot due to excessive speed. By setting the first and second supports, the elastic deformation of the active rack and the static arc contact rack during the opening and closing movement can be effectively reduced to ensure the reliability of the meshing transmission; the two supports adopt supporting rollers or The form of the roller is convenient to reduce friction and reduce the loss of operating work.

附图说明Description of drawings

图1是本发明高压六氟化硫断路器一种实施例的结构示意图；Fig. 1 is a schematic structural view of an embodiment of a high-voltage sulfur hexafluoride circuit breaker of the present invention;

图2是图1的左视图；Fig. 2 is the left view of Fig. 1;

图3是构成图1中喷口定位件的半月形套体的立体图。Fig. 3 is a perspective view of a half-moon sleeve constituting the spout positioning member in Fig. 1 .

具体实施方式Detailed ways

本发明提供的高压六氟化硫断路器的双动传动装置的实施例见图1和图2中所示的双动传动装置，其包括平行设置的、均沿动触头组件运动方向延伸的主动齿条6和静弧触头齿条24，主动齿条和静弧触头齿条之间设有与该两齿条同时啮合传动的齿轮22，该齿轮的转轴的位置固定设置，主动齿条6用于与动触头组件固定连接、随动触头组件做直线往复移动，主动齿条6通过齿轮22带动静弧触头齿条24做反向运动，静弧触头齿条24用于与静弧触头21固定连接、带动静弧触头做直线往复移动。 The embodiment of the double-acting transmission device of the high-voltage sulfur hexafluoride circuit breaker provided by the present invention is shown in Fig. 1 and Fig. 2. Drive rack 6 and staticarc contact rack 24, be provided with the gear 22 that meshes transmission with these two racks simultaneously between active rack and static arc contact rack, the position of the rotating shaft of this gear is fixedly arranged, and active gear The bar 6 is used for fixed connection with the moving contact assembly, and the linear reciprocating movement of the follow-up contact assembly. The active rack 6 drives the staticarc contact rack 24 to perform reverse movement through the gear 22, and the staticarc contact rack 24 is used for It is fixedly connected with thestatic arc contact 21 and drives the static arc contact to move back and forth in a straight line. the

本实施例中，在齿轮的两侧均设有板面平行于齿轮平面的导向板3，两导向板的下端用于固设在静触头组件的弧触头座23上，两导向板的上端之间夹设有T形垫块2，并通过该垫块连接在一起，以保证两导向板之间的距离，该T形垫块的突起部分设于导向板之外，该部分可以采用圆柱，四方体或者球头等形式，便于装配时拿持使用；齿轮22通过其转轴转动安装在两导向板3上；主动齿条6的下端为固定端、用于固定连接在动触头组件上，主动齿条的上端通过设置在其上的导向销4与开设在导向板上的供引导主动齿条直线往复移动的第一导向槽31导向配合，该配合形式可以是滑动或者滚动配合；所述静弧触头齿条24的下端为固定端、用于固定连接在静弧触头21上，静弧触头齿条的上端通过设置在其上的导向销与开设在导向板上的供引导静弧触头齿条直线往复移动的第二导向槽32导向配合，该配合形式可以是滑动或者滚动配合。In this embodiment, both sides of the gear are provided with a guide plate 3 whose plate surface is parallel to the gear plane. The lower ends of the two guide plates are used to be fixed on thearc contact seat 23 of the static contact assembly. A T-shaped spacer 2 is sandwiched between the upper ends, and is connected together through the spacer to ensure the distance between the two guide plates. The protruding part of the T-shaped spacer is located outside the guide plate, and this part can be used Cylinder, square or ball head, etc., which are easy to hold and use during assembly; the gear 22 is installed on the two guide plates 3 through its rotating shaft; the lower end of the driving rack 6 is a fixed end, which is used for fixed connection on the moving contact assembly. , the upper end of the active rack is guided and matched with thefirst guide groove 31 provided on the guide plate for guiding the linear reciprocating movement of the active rack through the guide pin 4 arranged thereon, and the matching form can be a sliding or rolling fit; The lower end of the static arccontact tooth bar 24 is a fixed end, which is used to be fixedly connected to thestatic arc contact 21. Thesecond guide groove 32 guiding the linear reciprocating movement of the static arc contact rack is guided and fitted, and the fitted form may be a sliding fit or a rolling fit.

导向板3上在对应主动齿条6背面的位置上转动安装有用于抵制主动齿条向远离齿轮22的方向弹性变形的第一支撑件5，同样的，在对应静弧触头齿条24背面的位置上转动安装有用于抵制静弧触头齿条向远离齿轮22的方向弹性变形的第二支撑件25，两支撑件均为支撑滚轮，并与对应齿条的背面滚动配合，同时齿轮22与两支撑件三者的圆心共线，三者圆心连线垂直于动触头组件的运动方向，也即与静弧触头齿条垂直，这样能够有效防止在分合闸时主动齿条6和静弧触头齿条24发生弹性变形从而影响齿轮与齿条的可靠啮合和动力传递，使得动力传递更加稳定可靠，进一步增加了分合闸动作时间的稳定性和可靠性。当然，如果三者圆心不在一条直线上，同样能够起到一定的抵制弹性变形的作用。On the guide plate 3, on the position corresponding to the back of the active rack 6, there is a first support member 5 which is used to resist the elastic deformation of the active rack to the direction away from the gear 22. Similarly, on the back of the corresponding staticarc contact rack 24 Thesecond support member 25 used to resist the elastic deformation of the static arc contact rack to the direction away from the gear 22 is installed on the position of the rotation. It is collinear with the centers of the two supports, and the line connecting the centers of the three is perpendicular to the moving direction of the moving contact assembly, that is, perpendicular to the static arc contact rack, which can effectively prevent the active rack 6 from opening and closing. The elastic deformation of the staticarc contact rack 24 affects the reliable meshing and power transmission between the gear and the rack, making the power transmission more stable and reliable, and further increasing the stability and reliability of the opening and closing action time. Of course, if the centers of the three circles are not on a straight line, they can also play a certain role in resisting elastic deformation.

本发明提供的高压六氟化硫断路器的一种实施例见图1--图3所示，其包括静弧触头21、固定不动的静触头组件和能相对静触头组件直线往复移动的动触头组件，其中，动触头组件包括动触头10和安装在动触头上的主喷口18，主喷口的上端固定连接有喷口定位件7，该喷口定位件是由两个如图3所示的半月形的套体相对扣合在主喷口上后、再通过紧固件径向收紧的方式紧紧箍在主喷口上，主喷口和喷口定位件的配合面上分设有用于轴向定位的卡槽和卡沿，喷口定位件的这种装配连接结构简单，便于安装。在喷口定位件7上还固定装配有动端屏蔽罩20，该屏蔽罩向下延伸围设在主喷口口部的外围，主喷口中有内喷口17，内喷口中有动弧触头16，动弧触头的下端装设有拉杆13，整个动触头组件套装在动触头座11中、相对动触头座上下滑移；静触头组件包括静触头座8和设置在静触头座的上端的静支座1，静触头座的内腔和静支座的内腔连通形成一个可供静弧触头21和双动传动装置上下移动的空间，静触头座8的下端部内侧装设有静触指19，下端部外围围设有安装在静触头座上的静端屏蔽罩9，在静触头座8中，所述静弧触头21滑动穿装在弧触头座23中，弧触头座固设于静触头座8上。An embodiment of the high-voltage sulfur hexafluoride circuit breaker provided by the present invention is shown in Figures 1-3, which includes astatic arc contact 21, a fixed static contact assembly and a linear A reciprocating moving contact assembly, wherein the moving contact assembly includes a movingcontact 10 and amain spout 18 installed on the moving contact, the upper end of the main spout is fixedly connected with a spout positioning part 7, and the spout positioning part is composed of two After a half-moon-shaped sleeve as shown in Figure 3 is relatively fastened on the main spout, it is then tightly hooped on the main spout by means of radial tightening of fasteners, and the mating surface of the main spout and the spout positioning member A card slot and a card edge for axial positioning are respectively provided, and the assembly and connection structure of the spout positioning member is simple and easy to install. On the spout positioner 7, a movingend shield 20 is also fixedly installed, and the shield extends downwards to surround the periphery of the main spout mouth. There is aninner spout 17 in the main spout, and a movingarc contact 16 is arranged in the inner spout. The lower end of the moving arc contact is equipped with apull rod 13, and the whole moving contact assembly is set in the moving contact seat 11 and slides up and down relative to the moving contact seat; the static contact assembly includes thestatic contact seat 8 and the static contact assembly The static support 1 at the upper end of the head seat, the inner cavity of the static contact seat and the inner cavity of the static support are connected to form a space for thestatic arc contact 21 and the double-motion transmission to move up and down, and thestatic contact seat 8 The inner side of the lower end is equipped with a static contact finger 19, and the outer periphery of the lower end is provided with a static end shield 9 installed on the static contact seat. In thestatic contact seat 8, thestatic arc contact 21 slides through the In thearc contact seat 23 , the arc contact seat is fixed on thestatic contact seat 8 .

本实施例中，在动触头组件和静触头组件的静弧触头之间设有双动传动装置，动触头组件通过双动传动装置带动静弧触头21做反向运动，该双动传动装置与上述本发明提供的双动传动装置的结构相同，此处不予重述，该双动传动装置中的导向板3位于静支座1内，导向板的下端固定连接在弧触头座23的上端部，主动齿条6的下端固定连接在喷口定位件7的上端，静弧触头齿条24的下端固定连接在静弧触头21的上端。In this embodiment, a double-action transmission device is provided between the moving contact assembly and the static arc contact of the static contact assembly, and the moving contact assembly drives thestatic arc contact 21 to perform reverse movement through the double-action transmission device. The structure of the double-acting transmission device provided by the present invention is the same as that of the above-mentioned double-acting transmission device, and will not be repeated here. The guide plate 3 in the double-action transmission device is located in the static support 1, and the lower end of the guide plate is fixedly connected to the arc. The upper end of thecontact seat 23 and the lower end of the active rack 6 are fixedly connected to the upper end of the spout positioning member 7 , and the lower end of the staticarc contact rack 24 is fixedly connected to the upper end of thestatic arc contact 21 .

本实施例的分合闸运动过程如下：分闸时，拉杆13向下运动，带动动触头组件向下运动，该组件中的喷口定位件7通过主动齿条6、齿轮22和静弧触头齿条24的啮合传动带动静弧触头21向上运动，实现分闸；合闸时，拉杆13向上运动，各运动零件的运动方向与分闸过程刚好相反，不再细述；分合闸过程中，动端屏蔽罩20由喷口定位件7带着一起运动。图1、图2中的12是动支座，14是拉杆中的绝缘部分。The opening and closing movement process of this embodiment is as follows: when opening, thepull rod 13 moves downward, driving the moving contact assembly to move downward, and the spout positioning part 7 in this assembly passes through the active rack 6, the gear 22 and the static arc contact. The meshing transmission of thehead rack 24 drives thestatic arc contact 21 to move upward to realize opening; when closing, thepull rod 13 moves upward, and the moving direction of each moving part is just opposite to the opening process, so it will not be described in detail; the opening and closing process In the process, themovable end shield 20 is carried by the spout positioning member 7 to move together. 12 among Fig. 1, Fig. 2 is movable support, and 14 is the insulation part in the pull rod.

本发明的其他实施例中，主动齿条与动触头组件的固定连接也可以采用其他的方式，比如可以利用主动齿条的下端或者侧面直接固定连接在主喷口上，这时就可以省略喷口定位件；双动传动装置中的支撑滚轮也可以采用支撑滚柱的形式或者是与主动齿条背面滑动配合的支撑件，另外，在主动齿条的刚性和强度足够满足其与齿轮可靠啮合的情况下也可以省略支撑件；导向板是为固定各齿条和齿轮及支撑件而设置的，在具体实施时，可以根据实际情况在齿轮双侧设置导向板也可以采用在齿轮单侧设置导向板的形式，并且导向板的结构不限于板式结构，只要起到能固定相应零件的作用即可；导向板上的导向槽也并不是必须的，只要有能对各齿条进行限位并且与相应齿条导向配合的限位件即可，如果各齿条通过下端的固定连接以及与齿轮、支撑滚轮的配合能够保证其能够相对平稳的运动，此时也可以省略限位及导向结构；各齿轮及支撑滚轮也能采用其他固定在静触头座或者静支座上的支架进行安装。In other embodiments of the present invention, the fixed connection between the active rack and the moving contact assembly can also be in other ways, for example, the lower end or side of the active rack can be directly fixedly connected to the main nozzle, and the nozzle can be omitted at this time. Positioning parts; the supporting rollers in the double-acting transmission can also be in the form of supporting rollers or supporting parts that slide and fit with the back of the driving rack. In some cases, the support piece can also be omitted; the guide plate is set to fix each rack, gear and support piece. In the actual implementation, the guide plate can be set on both sides of the gear according to the actual situation, or the guide plate can be set on one side of the gear. The form of the guide plate, and the structure of the guide plate is not limited to the plate structure, as long as it can fix the corresponding parts; the guide groove on the guide plate is not necessary, as long as it can limit each rack The limit parts that are matched with the guides of the corresponding racks are enough. If the fixed connection of the lower end of each rack and the cooperation with the gears and support rollers can ensure its relatively stable movement, the limit and guide structures can also be omitted at this time; Gears and supporting rollers can also be installed with other brackets fixed on the static contact seat or the static support.

Claims (9)

Translated fromChinese

1.一种高压六氟化硫断路器，包括静弧触头、静触头组件和能相对静触头组件直线往复移动的动触头组件，在动触头组件和静弧触头之间设有双动传动装置，动触头组件通过双动传动装置带动静弧触头做反向运动，其特征在于：所述双动传动装置包括平行设置的、均沿动触头组件运动方向延伸的主动齿条和静弧触头齿条，主动齿条和静弧触头齿条之间设有与该两齿条同时啮合传动的齿轮，该齿轮的转轴位置固定设置，主动齿条固定连接在动触头组件上、随动触头组件做直线往复移动，主动齿条通过齿轮带动静弧触头齿条做反向运动，静弧触头齿条固定连接在静弧触头上、带动静弧触头做直线往复移动。1. A high-voltage sulfur hexafluoride circuit breaker, comprising a static arc contact, a static contact assembly, and a moving contact assembly capable of reciprocating linearly relative to the static contact assembly, between the moving contact assembly and the static arc contact A double-action transmission device is provided, and the moving contact assembly drives the static arc contact to perform reverse movement through the double-action transmission device. The active rack and the static arc contact rack are equipped with a gear that meshes with the two racks at the same time, and the position of the rotating shaft of the gear is fixed, and the active rack is fixedly connected. On the moving contact assembly, the moving contact assembly moves back and forth in a straight line, the active rack drives the static arc contact rack to move in the opposite direction through the gear, and the static arc contact rack is fixedly connected to the static arc contact to drive The static arc contact moves back and forth in a straight line.2.根据权利要求1所述的高压六氟化硫断路器，其特征在于：在主动齿条背面的一侧设有用于抵制主动齿条向远离齿轮的方向弹性变形的第一支撑件，在静弧触头齿条背面的一侧设有用于抵制静弧触头齿条向远离齿轮的方向弹性变形的第二支撑件，第一、第二支撑件的位置固定、并与相应齿条的背面滑动配合或者滚动配合。2. The high-voltage sulfur hexafluoride circuit breaker according to claim 1, characterized in that: a first support for resisting the elastic deformation of the driving rack in the direction away from the gear is provided on one side of the back of the driving rack. One side of the back of the static arc contact rack is provided with a second support for resisting the elastic deformation of the static arc contact rack in the direction away from the gear. Backside slip fit or roll fit.3.根据权利要求2所述的高压六氟化硫断路器，其特征在于：所述第一、第二支撑件为支撑滚轮或者支撑滚柱，第一、第二支撑件与齿轮三者的圆心共线，三者圆心连线垂直于动触头组件的运动方向。3. The high-voltage sulfur hexafluoride circuit breaker according to claim 2, characterized in that: the first and second supports are support rollers or support rollers, the first and second supports and the gears The centers of the circles are collinear, and the line connecting the centers of the three circles is perpendicular to the moving direction of the moving contact assembly.4.根据权利要求1-3中任一所述的高压六氟化硫断路器，其特征在于：在齿轮的一侧或者两侧设有板面平行于齿轮平面的导向板，导向板固定安装在静触头组件上，所述齿轮转动安装在导向板上；主动齿条的上端与开设在导向板上的供引导主动齿条直线往复移动的第一导向槽导向配合；静弧触头齿条的上端与开设在导向板上的供引导静弧触头齿条直线往复移动的第二导向槽导向配合。4. The high-voltage sulfur hexafluoride circuit breaker according to any one of claims 1-3, characterized in that: a guide plate with a plate surface parallel to the gear plane is provided on one or both sides of the gear, and the guide plate is fixedly installed On the static contact assembly, the gear is rotatably installed on the guide plate; the upper end of the active rack is guided and matched with the first guide groove provided on the guide plate for guiding the linear reciprocating movement of the active rack; the static arc contact teeth The upper end of the bar guides and cooperates with the second guide groove provided on the guide plate for guiding the linear reciprocating movement of the static arc contact rack.5.根据权利要求1-3中任一所述的高压六氟化硫断路器，其特征在于：所述动触头组件的主喷口的上端固定设有喷口定位件，所述主动齿条的下端固定连接在喷口定位件上；所述静弧触头齿条的下端固定连接在静弧触头的上端。5. The high-voltage sulfur hexafluoride circuit breaker according to any one of claims 1-3, characterized in that: the upper end of the main nozzle of the moving contact assembly is fixed with a nozzle positioning member, and the active rack The lower end is fixedly connected to the nozzle positioning member; the lower end of the static arc contact rack is fixedly connected to the upper end of the static arc contact.6.根据权利要求4所述的高压六氟化硫断路器，其特征在于：所述动触头组件的主喷口的上端固定设有喷口定位件，所述主动齿条的下端固定连接在喷口定位件上；所述静弧触头齿条的下端固定连接在静弧触头的上端。6. The high-voltage sulfur hexafluoride circuit breaker according to claim 4, characterized in that: the upper end of the main nozzle of the movable contact assembly is fixedly provided with a nozzle positioning member, and the lower end of the active rack is fixedly connected to the nozzle On the positioning piece; the lower end of the static arc contact rack is fixedly connected to the upper end of the static arc contact.7.一种高压六氟化硫断路器的双动传动装置，其特征在于：该传动装置包括平行设置的、均可沿动触头组件运动方向延伸的主动齿条和静弧触头齿条，主动齿条和静弧触头齿条之间设有与该两齿条同时啮合传动的齿轮，齿轮的转轴位置固定设置，主动齿条用于与动触头组件固定连接、随动触头组件做直线往复移动，主动齿条通过齿轮带动静弧触头齿条做反向运动，静弧触头齿条用于与静弧触头固定连接、带动静弧触头做直线往复移动。7. A double-acting transmission device for a high-voltage sulfur hexafluoride circuit breaker, characterized in that the transmission device includes an active rack and a static arc contact rack arranged in parallel and extending along the moving direction of the moving contact assembly , between the active rack and the static arc contact rack, there is a gear that meshes with the two racks at the same time, and the position of the gear's rotating shaft is fixed. The component moves reciprocatingly in a straight line, and the active rack drives the static arc contact rack to move in the opposite direction through the gear. The static arc contact rack is used for fixed connection with the static arc contact and drives the static arc contact to perform linear reciprocating movement.8.根据权利要求7所述的高压六氟化硫断路器的双动传动装置，其特征在于：在主动齿条背面的一侧设有用于抵制主动齿条向远离齿轮的方向弹性变形的第一支撑件，在静弧触头齿条背面的一侧设有用于抵制静弧触头齿条向远离齿轮的方向弹性变形的第二支撑件，第一、第二支撑件的位置固定、并与相应齿条的背面滑动配合或者滚动配合。8. The double-acting transmission device of the high-voltage sulfur hexafluoride circuit breaker according to claim 7, characterized in that: on the back side of the driving rack, there is a second device for resisting the elastic deformation of the driving rack in the direction away from the gear. A support member, a second support member is provided on the back side of the static arc contact rack to resist the elastic deformation of the static arc contact rack in a direction away from the gear, the positions of the first and second support members are fixed, and Slip fit or roll fit with the back of the corresponding rack.9.根据权利要求8所述的高压六氟化硫断路器的双动传动装置，其特征在于：所述第一、第二支撑件为支撑滚轮或者支撑滚柱，第一、第二支撑件与齿轮三者的圆心共线，三者圆心连线垂直于动触头组件的运动方向。9. The double-acting transmission device of the high-voltage sulfur hexafluoride circuit breaker according to claim 8, characterized in that: the first and second support members are support rollers or support rollers, and the first and second support members It is collinear with the centers of the three gears, and the line connecting the centers of the three is perpendicular to the moving direction of the moving contact assembly. 10. 根据权利要求7-9中任一所述的高压六氟化硫断路器的双动传动装置，其特征在于：在齿轮的一侧或者两侧设有板面平行于齿轮平面的导向板，导向板用于固定安装在静触头组件上，所述齿轮转动安装在导向板上；所述主动齿条的下端为固定端、用于固定连接在动触头组件上，主动齿条的上端与开设在导向板上的供引导主动齿条直线往复移动的第一导向槽导向配合；所述静弧触头齿条的下端为固定端、用于固定连接在静弧触头上，静弧触头齿条的上端与开设在导向板上的供引导静弧触头齿条直线往复移动的第二导向槽导向配合。10. The double-acting transmission device of the high-voltage sulfur hexafluoride circuit breaker according to any one of claims 7-9, characterized in that: a guide plate with a plate surface parallel to the gear plane is provided on one or both sides of the gear , the guide plate is used to be fixedly installed on the static contact assembly, and the gear is rotatably installed on the guide plate; the lower end of the active rack is a fixed end, which is used to be fixedly connected to the movable contact assembly, and the active rack The upper end guides and cooperates with the first guide groove provided on the guide plate for guiding the linear reciprocating movement of the active rack; the lower end of the static arc contact rack is a fixed end for fixed connection to the static arc contact. The upper end of the arcing contact tooth bar guides and cooperates with the second guide groove provided on the guide plate for guiding the linear reciprocating movement of the static arc contact tooth bar.

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