Summary of the invention
The purpose of the present invention is to provide fixed device and welding equipments, fix ring to be welded in the prior art to alleviateThe bad technical problem of effect.
The embodiment of the invention provides a kind of fixed devices, for fixing ring section, including at least two connecting arms；
Two neighboring described connecting arm one end is hinged, and the other end is connected by flexible actuator, and two connecting armsIt is hinged with the flexible actuator；
The fixture for clamping ring section is provided on each connecting arm.
The first possible embodiment provided in an embodiment of the present invention, wherein above-mentioned fixture includes clamping actuator, workMovable clamp port and regular jaw；
The regular jaw is fixed on the connecting arm, and the moving jaw is slidably disposed in the connectionOn arm, the clamping actuator installation is connect with the connecting arm and in the moving jaw.
Second of possible embodiment provided in an embodiment of the present invention, wherein be fixedly installed and lead on above-mentioned connecting armRail, the moving jaw are slidably connected with the guide rail.
The third possible embodiment provided in an embodiment of the present invention, wherein above-mentioned clamping actuator includes the first liquidCylinder pressure, the cylinder body of the first hydraulic cylinder and the connecting arm are hinged, the piston rod of the first hydraulic cylinder and the adjustable clampMouth is hinged.
4th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned moving jaw is towards the fixationJaw is provided with rubber pad on one side；
And/or the regular jaw is provided with rubber pad towards the moving jaw on one side.
5th kind of possible embodiment provided in an embodiment of the present invention, wherein the quantity of above-mentioned connecting arm be two, twoA connecting arm is respectively the first connecting arm and the second connecting arm；
First connecting arm, second connecting arm are in " mouth " type or " Δ " after connecting with the flexible actuator threeType.
6th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned first connecting arm is stretched close to describedAt the position of contracting actuator, second connecting arm at the position of the flexible actuator and first connecting arm withThe hinged place of second connecting arm is provided with universal wheel.
7th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned universal wheel it is height-adjustable.
8th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned flexible actuator includes the second liquidCylinder pressure, the cylinder body of the second hydraulic cylinder and first connecting arm are hinged, the piston rod of the second hydraulic cylinder and described theTwo connecting arms are hinged.
The embodiment of the invention provides a kind of welding equipments, including welding machine and the fixed device.
The utility model has the advantages that
The embodiment of the invention provides a kind of fixed devices, for fixing ring section, including at least two connecting arms；It is adjacentTwo connecting arm one end are hinged, and the other end is connected by flexible actuator, and two connecting arms are hinged with flexible actuator；It is each to be coupledThe fixture for clamping ring section is provided on arm.
When in use, the ring section that two are cut into pieces is separately fixed on two adjacent connecting arms by staff,Then by clamp ring section, then two ring sections being fixed on adjacent connecting arm are docked by flexible actuatorIt together and fixes, improves fixed effect, and setting in this way can be avoided two sections of ring sections in the welding processThe problems such as shaking, to improve welding effect.
The embodiment of the invention provides a kind of welding equipments, including welding machine and the fixed device.Welding equipment with it is existingTechnology, which is compared, has above-mentioned advantage, and details are not described herein again.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementationExample is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skillPersonnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " length ", "upper", "lower", "bottom", "inner", "outside" etc. refer toThe orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifiesDescription, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientationMake, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importanceOr implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed orImplicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connectIt connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediaryThe interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelingsCondition understands the concrete meaning of above-mentioned term in the present invention.
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Shown in referring to figures 1-4, a kind of fixed device, including at least two connecting arms 100 are present embodiments provided；PhaseAdjacent two connecting arms, 100 one end is hinged, and the other end is connected by telescopic flexible actuator 300, and two connecting arms 100 with stretchContracting actuator 300 is hinged；Fixture 200 is provided on connecting arm 100.
When in use, the ring section that two are cut into pieces is separately fixed at two adjacent connecting arms 100 by staffOn fixture 200 on, ring section is then clamped by fixture 200, is then fixed on two by flexible actuator 300 adjacentRing section on connecting arm 100 is docking together and fixes, and improves fixed effect, and setting in this way can be avoidedThe problems such as two sections of ring sections are shaken in the welding process, to improve welding effect.
Specifically, one end of two neighboring connecting arm 100 is attached by hinged mode, the other end is driven by flexibleMoving part 300 is attached, and the two is connect by articulated manner with flexible actuator 300, through such a connection manner, is madeThe adjustable angle of two neighboring connecting arm 100 is obtained, so that adjacent two connecting arm 100 can be to ring section 500 after cuttingIt is fixed, and the splicing of adjacent two rings section 500 is fixed together.Guarantee the accuracy and degree of stability in welding process.
In fixation procedure, ring section 500 can be firmly secured to by fixture by the fixture 200 on connecting arm 100On 200；Because being cut down on the same annulus of ring section 500 on fixture 200, and the ring on adjacent two fixture 200Section 500 is interconnection state before cutting, therefore when fixture 200 clamps ring section 500, when adjacent two connecting arm 100When relative rotation, two ring sections 500 thereon can be docking together to form a complete circular arc.
It should be pointed out that flexible actuator 300 can continue offer effect after two ring sections 500 are docking togetherPower tightly abuts the two together.
Preferably, the length of connecting arm 100 is less than the radius of ring.
Shown in Figure 1, in the optinal plan of the present embodiment, fixture 200 includes clamping actuator 210, moving jaw 220With regular jaw 230；Regular jaw 230 is fixed on connecting arm 100, and moving jaw 220 is slidably disposed in connectionOn arm 100, clamping actuator 210 is installed on connecting arm 100 and connect with moving jaw 220.
Specifically, moving jaw 220 is controlled by clamping actuator 210, and when carrying out clamping ring section 500, clampingActuator 210 drives moving jaw 220 far from regular jaw 230, and then ring section 500 is put into moving jaw by staffBetween 220 and regular jaw 230, then clamps actuator 210 and drive moving jaw 220 close to regular jaw 230, by ring section500 clamp, and in clamping process, staff is adjusted the position of ring section 500, so that fixture 200 can press from both sides surelyRing section 500 avoids 500 stress of ring section from concentrating, while ring section 500 being avoided to shake.
It is shown in Figure 1, in the optinal plan of the present embodiment, guide rail 110, adjustable clamp are fixedly installed on connecting arm 100Mouth 220 is slidably connected with the guide rail 110.
Specifically, being provided with guide rail 110 on connecting arm 100, sent out when avoiding moving jaw 220 mobile with connecting arm 100Life is stuck.And it guide rail 110 be set can be avoided moving jaw 220 and shake, improve fixture 200 to the lock of ring section 500Tight degree of stability.
Wherein, moving jaw 220 is arranged by slide 240 in 110 row of guide rail, and moving jaw 220 is fixed at slideOn 240.
Shown in Figure 1, in the optinal plan of the present embodiment, clamping actuator 210 includes first hydraulic cylinder, and first is hydraulicThe cylinder body and connecting arm 100 of cylinder are hinged, and the piston rod and moving jaw 220 of first hydraulic cylinder are hinged.
Moving jaw 220 is driven by first hydraulic cylinder, also, the cylinder body of first hydraulic cylinder is hinged on connecting arm 100,Piston rod is connect with moving jaw 220, and the pressure condition of first hydraulic cylinder is controlled by staff, can control moving jaw220 position.
In the optinal plan of the present embodiment, moving jaw 220 is provided with rubber pad towards regular jaw 230 on one side；GuDetermine jaw 230 and is provided with rubber pad on one side towards moving jaw 220.
Specifically, rubber pad is arranged on moving jaw 220 and regular jaw 230, can avoid living to a certain extentMovable clamp port 220 or regular jaw 230 damage ring section 500 in fixed ring section 500, and moving jaw 220It is contacted by rubber pad with ring section 500 with regular jaw 230, increases both moving jaw 220 and regular jaw 230 and ringThe contact area of section 500, the thing for avoiding ring section 500 from leading to deformation because local stress is excessive occur.
It is of course also possible to be that rubber pad only is arranged in the one side of moving jaw 220 towards regular jaw 230, or onlyIn the one side of regular jaw 230 towards moving jaw 220, rubber pad is set, as long as by this setup, Neng GouThe abrasion and stress deformation on 500 surface of ring section are reduced to a certain extent.
Shown in Figure 1, in the optinal plan of the present embodiment, the quantity of connecting arm 100 is two, two connecting arm differenceFor the first connecting arm 101 and the second connecting arm 102；300 three of first connecting arm 101, the second connecting arm 102 and flexible actuatorIt is in " mouth " type or " Δ " type after connection.
Referring to shown in Fig. 1, Fig. 2, specifically, one end of the first connecting arm 101 and the second connecting arm 102 is hinged, the two canTo be rotated relative to hinged place, the other end of the first connecting arm 101 and the second connecting arm 102 is connected by flexible actuator 300It connects, when the work of flexible actuator 300 (second hydraulic cylinder), can control opening for the first connecting arm 101 and the second connecting arm 102Close angle degree, so that whether the two ring sections 500 that control is fixed on the first connecting arm 101 and the second connecting arm 102 are connected to oneIt rises；When second hydraulic cylinder is shunk, two ring sections 500 being fixed on the first connecting arm 101 and the second connecting arm 102 can tightlyIt abuts together, and when second hydraulic cylinder is stretched out, two rings that are fixed on the first connecting arm 101 and the second connecting arm 102Section 500 can separate.
During ring section 500 is installed on fixture 200 by staff, second hydraulic cylinder is in stretching state,For the installation of ring section 500, there are adequate spaces, and two ring sections 500 is avoided to collide between each other.
Wherein, one end of the first connecting arm 101 offers through-hole, and one end of the second connecting arm 102 is provided with hinged seat, andTapped through hole is offered on hinged seat, in the first connecting arm 101 and hinged the second connecting arm 102, the one of the first connecting arm 101In the hinged seat of the second connecting arm 102 of end insertion, and pin shaft is inserted into tapped through hole, pin shaft passes sequentially through the second connecting armThe through-hole and the tapped through hole above the second connecting arm 102 of tapped through hole and the first connecting arm 101 below 102, pin shaft energyIt is enough to be threadedly coupled with tapped through hole, and the diameter of the through-hole on the first connecting arm 101 is greater than the diameter of pin shaft, so that first connectsSpindle can arbitrarily be rotated relative to pin shaft.
Wherein, when forming fixed device using two connecting arms 100, the structure size of two connecting arms 100 is identical；WhenWhen more than two connecting arms 100 form fixed device, multiple 100 same points of connecting arm are carried out hingedly, and outermost two connection100 longest of arm is tied, more inside from two sides, the length of connecting arm 100 is shorter.
Specifically, the hinged place of two connecting arms 100 is first when forming fixed device using two connecting arms 100Point, and the distance of the 200 to the first point of fixture on two connecting arms 100 is with no restrictions, it can be to various sizes of annulus partIn be connected two annulus sections be fixed.When forming fixed device using three connecting arms 100,100 upper fixture 200 of connecting armBasic point with ring section 500 is second point, and three second points are three points of annulus part, determines a round original by 3 pointsThen, when three connecting arms 100 form fixed device, it can be used as the special fixing device of a size annulus part；When using fourWhen a or above connecting arm 100 forms fixed device, the special fixing device of a size annulus part can be used as.
Referring to shown in Fig. 1, Fig. 2, in the optinal plan of the present embodiment, the first connecting arm 101 is close to flexible actuator 300At position, the second connecting arm 102 is at the position of flexible actuator 300 and the first connecting arm 101 and the second connecting arm 102Hinged place be provided with universal wheel 400.
In the optinal plan of the present embodiment, universal wheel 400 it is height-adjustable.
Screw rod is provided on universal wheel 400, screw rod is threadedly coupled with connecting arm 100, screws in connection by rotation adjusting screw rodTie the depth of arm 100, the height of adjustable universal wheel 400, that is, have adjusted the height of connecting arm 100.
Specifically, universal wheel is arranged by the hinged place bottom that the first connecting arm 101 and the second connecting arm 102 is arranged in400, it can be convenient worked personnel mobile ring section 500 in splicing；For example, being two ring sections 500 in every groupSplicing needs to splice two groups of ring sections 500 after two groups of ring sections 500 respectively complete splicing, at this time because of ring weightMeasure larger, staff only needs to push it, without carrying to it, reduces the workload and the amount of labour of staff.
Also, staff can be adjusted the height of universal wheel 400, to guarantee the splicing between ring section 500Quality, the section of two ring sections 500 is fit together completely, the section of two ring sections 500 is parallel.
Shown in Figure 1, in the optinal plan of the present embodiment, the actuator 300 that stretches uses second hydraulic cylinder.
Specifically, the cylinder body of second hydraulic cylinder and the first connecting arm 101 are hinged, the piston rod of second hydraulic cylinder and secondIt is hinged to tie arm 102, by the flexible operation of second hydraulic cylinder, can adjust between the first connecting arm 101 and the second connecting arm 102Folding angle, thus adjust the first connecting arm 101 and the ring section 500 on the second connecting arm 102 abutting situation.
Alternatively, the cylinder body of second hydraulic cylinder and the second connecting arm 102 are hinged, the piston rod of second hydraulic cylinder is coupled with firstArm 101 is hinged.
It should be pointed out that the side of the first connecting arm 101 towards the second connecting arm 102 is provided with for connecting the second liquidThe side of the attachment base of cylinder pressure and the second connecting arm 102 towards the first connecting arm 101 is provided with for connecting second hydraulic cylinderAttachment base.
Present embodiments provide a kind of welding equipment, including welding machine and fixed device.Welding equipment is compared with prior artWith above-mentioned advantage, details are not described herein again.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extentPipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according toSo be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features intoRow equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solutionThe range of scheme.