CN103663201A - Six-range of motion flexible supporting device of extensible tower crane - Google Patents

Abstract

Translated fromChinese

一种可伸长的塔式起重机六活动度柔性支撑装置，包括竖直臂、连杆、底架、固定块和伸缩机构，所述竖直臂通过转动副和弹簧液压杆连接于底座，连杆通过弹簧液压杆和球铰连接于竖直臂上端，通过转动副和弹簧液压杆连接于固定块，所述伸缩机构包括液压伸缩缸和带孔耳片，所述液压伸缩缸由两个圆柱销分别连接于竖直臂上端和竖直臂下端，所述带孔耳片由两个固定螺母分别固定于竖直臂上端和竖直臂下端，分别实现伸长和高度的固定。本发明能有效防止塔身过高或载荷过大引起的倾斜，并消除动载和风载引起的振动，大大提高塔身稳定性，防止倾倒事故的发生。

An extendable flexible support device with six degrees of activity for a tower crane, comprising a vertical arm, a connecting rod, an underframe, a fixed block and a telescopic mechanism, the vertical arm is connected to the base through a rotary pair and a spring hydraulic rod, and the The rod is connected to the upper end of the vertical arm through a spring hydraulic rod and a ball hinge, and connected to the fixed block through a rotating joint and a spring hydraulic rod. The telescopic mechanism includes a hydraulic telescopic cylinder and a perforated ear. The pins are respectively connected to the upper end of the vertical arm and the lower end of the vertical arm, and the perforated lugs are respectively fixed to the upper end of the vertical arm and the lower end of the vertical arm by two fixing nuts, so as to respectively realize the fixing of elongation and height. The invention can effectively prevent the inclination caused by too high tower body or excessive load, eliminate the vibration caused by dynamic load and wind load, greatly improve the stability of the tower body, and prevent the occurrence of toppling accidents.

Description

Translated fromChinese

一种可伸长的塔式起重机六活动度柔性支撑装置A flexible support device with six degrees of activity for an extensible tower crane

技术领域technical field

本发明涉及塔式起重机技术领域，具体是一种可伸长的塔式起重机六活动度柔性支撑装置。The invention relates to the technical field of tower cranes, in particular to an extendable flexible supporting device with six degrees of activity for tower cranes.

背景技术Background technique

随着我国经济建设的快速发展，市场对于工程机械尤其是各种起重机的需求日益增大。塔式起重机在吊重作业过程中，会承受很多的载荷，如负载力矩、装载和卸载时的冲击载荷、风载等，当负载超过塔身的承受范围时，尤其是没有建筑物可附着的情况下，塔身会发生倾斜，导致塔式起重机整体发生倾倒或断裂，造成重大事故，危及人身财产的安全。With the rapid development of my country's economic construction, the market demand for construction machinery, especially various cranes, is increasing. During the lifting operation, the tower crane will bear a lot of loads, such as load moment, impact load during loading and unloading, wind load, etc. When the load exceeds the bearing range of the tower body, especially when there is no building to attach Under certain circumstances, the tower body will tilt, causing the whole tower crane to fall or break, causing major accidents and endangering the safety of people and property.

因此，需要在塔式起重机塔身处加装支撑装置，提高稳定性和安全性。Therefore, it is necessary to install supporting devices at the tower body of the tower crane to improve stability and safety.

发明内容Contents of the invention

本发明的目的在于解决现有的技术中塔式起重机的稳定性和安全性问题，提供一种可伸长的塔式起重机六活动度柔性支撑装置。The purpose of the present invention is to solve the stability and safety problems of the tower crane in the prior art, and provide an extendable flexible support device with six degrees of activity for the tower crane.

本发明所采用的技术方案是：一种可伸长的塔式起重机六活动度柔性支撑装置，包括竖直臂、连杆、底架、固定块和伸缩机构，所述竖直臂通过转动副和弹簧液压杆连接于底座，连杆通过弹簧液压杆和球铰连接于竖直臂上端，通过转动副和弹簧液压杆连接于固定块，所述伸缩机构包括液压伸缩缸和带孔耳片，所述液压伸缩缸由两个圆柱销分别连接于竖直臂上端和竖直臂下端，所述带孔耳片由两个固定螺母分别固定于竖直臂上端和竖直臂下端，分别实现伸长和高度的固定。The technical solution adopted in the present invention is: an extendable flexible supporting device with six degrees of activity for a tower crane, including a vertical arm, a connecting rod, an underframe, a fixed block and a telescopic mechanism, and the vertical arm passes through a rotating joint The connecting rod is connected to the base with the spring hydraulic rod, the connecting rod is connected to the upper end of the vertical arm through the spring hydraulic rod and the ball hinge, and connected to the fixed block through the rotating pair and the spring hydraulic rod. The telescopic mechanism includes a hydraulic telescopic cylinder and a perforated ear piece. The hydraulic telescopic cylinder is respectively connected to the upper end of the vertical arm and the lower end of the vertical arm by two cylindrical pins. Fixed length and height.

本发明突出的技术效果在于：The outstanding technical effects of the present invention are:

1、不论吊臂转到哪个角度，转动副和弹簧液压杆对固定块和底座的支撑力和力矩都可以减小塔身的倾斜，且不会引起因刚性支撑产生的过大冲击力。1. No matter which angle the boom turns to, the supporting force and moment of the rotating joint and the spring hydraulic rod on the fixed block and the base can reduce the inclination of the tower body, and will not cause excessive impact due to rigid support.

2、六个弹簧液压杆的阻尼可消除动载和风载引起的塔身振动，减少疲劳，防止裂纹的产生。2. The damping of the six spring hydraulic rods can eliminate the vibration of the tower body caused by dynamic load and wind load, reduce fatigue and prevent cracks.

3、伸缩机构由耳片实现高度的固定，连接稳固，并能避免液压伸缩缸一直处于工作状态，延长了使用寿命。3. The height of the telescopic mechanism is fixed by the lugs, the connection is stable, and it can prevent the hydraulic telescopic cylinder from being in working state all the time, prolonging the service life.

附图说明：Description of drawings:

图1是发明所述的可伸长的塔式起重机六活动度柔性支撑装置的结构示意图。Fig. 1 is a schematic structural view of the six-movement flexible support device of the extensible tower crane described in the invention.

图2是发明所述的可伸长的塔式起重机六活动度柔性支撑装置的支撑装置示意图。Fig. 2 is a schematic diagram of the supporting device of the six-movement flexible supporting device of the extendable tower crane described in the invention.

图3是发明所述的可伸长的塔式起重机六活动度柔性支撑装置的支撑装置连杆固定部分局部放大图。Fig. 3 is a partially enlarged view of the connecting rod fixing part of the support device of the flexible support device with six degrees of motion of the extendable tower crane described in the invention.

图4是本发明所述的可伸长的塔式起重机六活动度柔性支撑装置的伸缩机构局部放大图。Fig. 4 is a partially enlarged view of the telescoping mechanism of the six-movement flexible support device of the extensible tower crane according to the present invention.

图中零部件名称及序号：配重1，平衡臂2，拉杆3，塔顶4，吊臂5，小车6，支撑套架7，支撑装置8，塔身9，底架10，底座11，第一球铰12，第一弹簧液压杆13，第二球铰14，竖直臂下端15，第一圆柱销16，液压伸缩缸17，第二圆柱销18，竖直臂上端19，固定块20，第三转动副21，第二转动副22，第三弹簧液压杆23，第四转动副24，连杆25，第一固定螺母26，带孔耳片27，第二固定螺母28，第三球铰29，第二弹簧液压杆30，第一转动副31，回转平台32，第四球铰33，第五球铰34，第九球铰35，第四弹簧液压杆36，第六球铰37，第七球铰38，第五弹簧液压杆39，第八球铰40。The names and serial numbers of parts in the figure:counterweight 1,balance arm 2,tie rod 3,tower top 4,boom 5,trolley 6,support sleeve frame 7, support device 8,tower body 9,underframe 10,base 11, Thefirst ball hinge 12, the first springhydraulic rod 13, thesecond ball hinge 14, the lower end of thevertical arm 15, the firstcylindrical pin 16, the hydraulictelescopic cylinder 17, the secondcylindrical pin 18, the upper end of thevertical arm 19, thefixed block 20, the thirdrotating pair 21, the secondrotating pair 22, the third springhydraulic rod 23, the fourthrotating pair 24, the connectingrod 25, thefirst fixing nut 26, theholed ear piece 27, thesecond fixing nut 28, the second Threeball joints 29, the second springhydraulic rod 30, the first rotatingpair 31, theslewing platform 32, thefourth ball joint 33, thefifth ball joint 34, theninth ball joint 35, the fourth springhydraulic rod 36, the sixth ball joint Hinge 37, the 7th ball hinge 38, the 5th springhydraulic rod 39, the 8th ball hinge 40.

具体实施方式Detailed ways

下面结合附图对本发明作进一步的描述。The present invention will be further described below in conjunction with the accompanying drawings.

如图1所示，本发明所述的可伸长的塔式起重机六活动度柔性支撑装置，支撑装置8通过固定块20固接于塔身9上的支撑套架7上，通过底座11固接于底架10上，为180度对称布置。As shown in Fig. 1, in the flexible supporting device with six movable degrees of the extensible tower crane according to the present invention, the supporting device 8 is fixedly connected to the supportingsleeve frame 7 on thetower body 9 through thefixing block 20, and fixed through thebase 11. Connected to thechassis 10, it is arranged symmetrically at 180 degrees.

如图2、图3和图4所示，所述第一弹簧液压杆13通过第一球铰12和第二球铰14连接到底座11和竖直臂下端15，第二弹簧液压杆30通过第四球铰33和第三球铰29连接到底座11和竖直臂下端15，竖直臂下端15通过带回转平台32的第一转动副31连接到底座11上，相对于底座11有两个转动自由度。第三弹簧液压杆23通过第三转动副21和第四转动副24分别连接于竖直臂上端19和连杆25上，第四弹簧液压杆36通过第五球铰34和第六球铰37分别连接于竖直臂上端19和连杆25，第五弹簧液压杆39通过第七球铰38和第八球铰40连接到竖直臂上端19和连杆25，连杆25相对于竖直臂上端19有三个转动自由度。连杆25通过第二转动副22和第九球铰35分别连接于竖直臂上端19和固定块20，相对于固定块20有一个转动自由度。竖直臂下端15和第一弹簧液压杆13、第二弹簧液压杆30形成稳固的三角形支撑，连杆25和三个弹簧液压杆形成稳固的三棱锥支撑，对底座11和竖直臂上端19的支撑力和力矩保证了不论吊臂转到哪个角度，都能有效减少塔身的倾斜。六个弹簧液压杆的阻尼还能起到消除振动的作用。所述伸缩机构包括液压伸缩缸17和带孔耳片27，所述液压伸缩缸17由第一圆柱销16和第二圆柱销18分别连接于竖直臂下端15和竖直臂上端19，所述带孔耳片27由第一固定螺母26和第二固定螺母28分别固定于竖直臂上端19和竖直臂下端15，分别实现伸长和高度的固定。As shown in Figure 2, Figure 3 and Figure 4, the first springhydraulic rod 13 is connected to thebase 11 and thelower end 15 of the vertical arm through thefirst ball joint 12 and thesecond ball joint 14, and the second springhydraulic rod 30 passes through Thefourth ball joint 33 and thethird ball joint 29 are connected to thebase 11 and thelower end 15 of the vertical arm, and thelower end 15 of the vertical arm is connected to thebase 11 by the firstswivel pair 31 with theswivel platform 32, relative to thebase 11 Two rotational degrees of freedom. The third springhydraulic rod 23 is respectively connected to theupper end 19 of the vertical arm and the connectingrod 25 through the thirdrotating pair 21 and the fourthrotating pair 24, and the fourth springhydraulic rod 36 is passed through thefifth ball joint 34 and thesixth ball joint 37 Respectively connected to the vertical armupper end 19 and the connectingrod 25, the fifth springhydraulic rod 39 is connected to the vertical armupper end 19 and the connectingrod 25 through theseventh ball joint 38 and theeighth ball joint 40, the connectingrod 25 is relatively vertical Theupper end 19 of the arm has three rotational degrees of freedom. The connectingrod 25 is respectively connected to theupper end 19 of the vertical arm and thefixed block 20 through the second rotatingjoint 22 and theninth ball joint 35 , and has a rotational degree of freedom relative to thefixed block 20 . Thelower end 15 of the vertical arm and the first springhydraulic rod 13 and the second springhydraulic rod 30 form a stable triangular support, and the connectingrod 25 and three spring hydraulic rods form a stable triangular pyramid support. The support force and moment ensure that no matter which angle the boom turns to, the inclination of the tower body can be effectively reduced. The damping of the six spring hydraulic rods also serves to eliminate vibrations. The telescopic mechanism includes a hydraulictelescopic cylinder 17 and aperforated lug 27, and the hydraulictelescopic cylinder 17 is respectively connected to thelower end 15 of the vertical arm and theupper end 19 of the vertical arm by a firstcylindrical pin 16 and a secondcylindrical pin 18. The ear pieces withholes 27 are respectively fixed on theupper end 19 of the vertical arm and thelower end 15 of the vertical arm by thefirst fixing nut 26 and thesecond fixing nut 28, so as to respectively realize the fixing of elongation and height.

本发明实用性强，安装简单，能有效防止塔身过高或载荷过大引起的倾斜，并消除动载和风载引起的振动，提高稳定性和安全性，可广泛用于塔式起重机的加固支撑。The invention has strong practicability, simple installation, can effectively prevent inclination caused by too high tower body or excessive load, eliminate vibration caused by dynamic load and wind load, improve stability and safety, and can be widely used in reinforcement of tower cranes support.

Claims (1)

Translated fromChinese

1.一种可伸长的塔式起重机六活动度柔性支撑装置，包括竖直臂、连杆、底架、固定块和伸缩机构，其特征在于，所述竖直臂通过转动副和弹簧液压杆连接于底座，连杆通过弹簧液压杆和球铰连接于竖直臂上端，通过转动副和弹簧液压杆连接于固定块，所述伸缩机构包括液压伸缩缸和带孔耳片，所述液压伸缩缸由两个圆柱销分别连接于竖直臂上端和竖直臂下端，所述带孔耳片由两个固定螺母分别固定于竖直臂上端和竖直臂下端，分别实现伸长和高度的固定。1. A flexible support device with six movable degrees of extension for a tower crane, comprising a vertical arm, a connecting rod, an underframe, a fixed block and a telescoping mechanism, characterized in that the vertical arm is hydraulically The rod is connected to the base, the connecting rod is connected to the upper end of the vertical arm through a spring hydraulic rod and a ball hinge, and connected to the fixed block through a rotating pair and a spring hydraulic rod. The telescopic mechanism includes a hydraulic telescopic cylinder and a perforated ear. The telescopic cylinder is respectively connected to the upper end of the vertical arm and the lower end of the vertical arm by two cylindrical pins, and the perforated lugs are respectively fixed to the upper end of the vertical arm and the lower end of the vertical arm by two fixing nuts to achieve elongation and height respectively. fixed.

Images