CN215509657U - Swing arm support clamp and swing arm support clamping tool - Google Patents

Abstract

The utility model provides a swing arm support clamp and a swing arm support clamping tool, wherein the swing arm support clamp comprises a first clamping part and a second clamping part, and the first clamping part and the second clamping part respectively comprise a first clamping jaw and a second clamping jaw; the swing arm support clamp further comprises a driving cylinder, a guide part and a positioning part; the driving cylinder drives the first clamping part and the second clamping part to move linearly at the same time, so that the first clamping jaw and the second clamping jaw are respectively close to two sides of the positioning part, and the two bracket bases can be respectively clamped between one side of the positioning part and the first clamping jaw and between the other side of the positioning part and the second clamping jaw; the guide part guides the first clamping jaw and the second clamping jaw to move linearly. Adopt as above structure, first clamping jaw and second clamping jaw receive the guide effect of guide part at the in-process of pressing from both sides tight swing arm support, can keep linear motion all the time, have guaranteed swing arm support's location effect to because the clamping jaw carries out rectilinear movement, need not to open to both sides, can be adapted to narrow working space relatively.

Description

Swing arm support clamp and swing arm support clamping tool

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to a swing arm support clamp and a swing arm support clamping tool.

Background

In a compact type vehicle front subframe product, a swing arm support needs to be fixed by a swing arm support clamp and then welded, in a clamp with a conventional design, two clamping jaws are connected through a hinge, and the clamping jaws are easy to deviate in the process of clamping each other, so that the positioning effect of the swing arm support is poor; and because the structure reason of clamping jaw itself, two clamping jaws need to rotate to both sides and open, can't be adapted to relative narrow welding space, also take place the space between each clamping jaw simultaneously and interfere.

Therefore, how to provide a clamping tool which can ensure the positioning effect of the swing arm support and is suitable for a narrow space is a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping tool which can ensure the positioning effect of a front swing arm bracket and a rear swing arm bracket and is suitable for a narrow space.

In order to solve the technical problem, the utility model provides a swing arm bracket fixture, which comprises two bracket seats, wherein the swing arm bracket fixture comprises a first clamping part and a second clamping part, and the first clamping part and the second clamping part respectively comprise a first clamping jaw and a second clamping jaw; the swing arm support clamp further comprises a driving cylinder, a guide part and a positioning part; the driving cylinder drives the first clamping part and the second clamping part to move linearly at the same time, so that the first clamping jaw and the second clamping jaw are close to two sides of the positioning part respectively, and the two bracket bases can be clamped between one side of the positioning part and the first clamping jaw and between the other side of the positioning part and the second clamping jaw respectively; the guide part guides the first clamping jaw and the second clamping jaw to move linearly.

Adopt as above structure, first clamping jaw and second clamping jaw receive the guide effect of guide part at the in-process that presss from both sides tight swing arm support, can keep linear motion all the time, have guaranteed swing arm support's location effect to because the clamping jaw carries out rectilinear movement, need not to open to both sides, less to activity space's requirement, can be adapted to narrow working space relatively, also change in and guarantee welded space demand, and can not take place the space between each clamping jaw and interfere.

Optionally, the first clamping jaw and the second clamping jaw are provided with positioning pins, the positioning pins can penetrate through holes of the support base, the positioning portions comprise positioning blocks located on two sides, pin holes are formed in the positioning blocks, and the positioning pins move linearly along with the first clamping jaw and the second clamping jaw to penetrate into or leave the pin holes.

Optionally, the guide part includes a fixing frame disposed below the driving cylinder, the fixing frame is provided with a first guide unit and a second guide unit, and the first guide unit and the second guide unit respectively guide the first clamping jaw and the second clamping jaw to move linearly.

Optionally, the first guide unit and the second guide unit are arranged in a front-back staggered manner and respectively comprise two linear bearings which are distributed up and down, the two linear bearings are horizontally arranged, and the longitudinal positions of the two linear bearings are the same; and a corresponding cylindrical shaft is arranged in each linear bearing, the cylindrical shaft can slide in the linear bearing along the axial direction, two ends of the cylindrical shaft extend out of the linear bearing, one end of the cylindrical shaft is connected with the first clamping jaw or the second clamping jaw, and the other end of the cylindrical shaft is provided with a limiting block.

Optionally, the clamping device further comprises a clamping handle and a handle supporting rod, wherein the handle supporting rod is fixed to the first clamping portion, the clamping handle is provided with a long hole, the handle supporting rod is slidably connected with the clamping handle through the long hole, the clamping handle is rotatably connected with the second clamping portion, and the clamping handle can pre-clamp the first clamping portion and the second clamping portion.

Optionally, the swing arm support device further comprises a swing arm support block, the swing arm support block is arranged at the lower end of the positioning portion, and when the swing arm support is clamped to the positioning portion, the swing arm support block can support the bottom of the swing arm support from the lower side.

Optionally, the swing arm support device further comprises a contact sensor, the contact sensor is arranged at the lower end of the swing arm support block, and an induction head of the contact sensor is arranged on the upper surface of the swing arm support block.

Optionally, the guide part further comprises a protective shell arranged outside the guide part, and the protective shell can prevent foreign matters from falling into the guide part.

The utility model further provides a swing arm support clamping tool which can fix a workpiece needing to be welded with a swing arm support, the swing arm support clamping tool comprises a base frame, the middle of the base frame is used for fixing the workpiece, two swing arm support clamps are arranged at two ends of the base frame and used for clamping the front swing arm support and the rear swing arm support, and the swing arm support clamps are the swing arm support clamps.

Optionally, each end of the base frame is provided with a base, and the two swing arm bracket clamps are mounted on the bases.

Optionally, the base frame further includes a sliding guide rail and a sliding sleeve disposed on the base, and after the swing arm bracket is clamped to the swing arm bracket clamp, the swing arm bracket clamp can slide on the sliding guide rail through the sliding sleeve and move the swing arm bracket to a predetermined welding position.

Optionally, the sliding guide rail is arranged obliquely and gradually inclines upwards from a low position to a welding position.

Drawings

FIG. 1 is a schematic structural diagram of a swing arm bracket clamp according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the swing arm support clamp of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of the swing arm support clamp of FIG. 1 with a protective shell installed;

FIG. 4 is a schematic structural view of the two sets of swing arm bracket clamps of FIG. 1 before clamping and after preparing for welding of the swing arm brackets;

FIG. 5 is a schematic structural diagram of a swing arm bracket welded to a front subframe by the swing arm bracket clamping tool in the embodiment of the utility model;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

fig. 7 is a schematic structural view of the swing arm support.

The reference numerals in fig. 1-7 are illustrated as follows:

the device comprises a first clamping part 1, a second clamping part 2, a first clamping jaw 3, a second clamping jaw 4, a driving cylinder 5, a guide part 6, a linear bearing 61, a cylindrical shaft 62, a limiting block 63, a fixing frame 64, a positioning part 7, a positioning block 71, a positioning pin 8, a clamping handle 9, a handle supporting rod 10, a swing arm supporting block 11, a contact sensor 12, a protective shell 13, a swing arm bracket 14, a bracket seat 141, a bottom part 142, a swing arm clamping plate 143, a sliding guide 15, a sliding sleeve 151, a front auxiliary frame 16, a side beam 161 and a slide rail driving cylinder 17.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a swing arm bracket clamp according to an embodiment of the present invention; FIG. 2 is a schematic structural view of the swing arm support clamp of FIG. 1 from another perspective; FIG. 3 is a schematic structural view of the swing arm support clamp of FIG. 1 with a protective shell installed; fig. 4 is a schematic structural view of the two groups of swing arm bracket clamps in fig. 1 before and after clamping and before and after the swing arm brackets are ready for welding.

The embodiment of the utility model provides a swing arm support clamp, wherein the structure of a swing arm support 14 is shown in fig. 7, fig. 7 is a schematic structural view of the swing arm support, the swing arm support 14 comprises a bottom 142 and two support bases 141 standing on two sides of the bottom 142, and the swing arm support clamp needs to clamp the two support bases 141 at the same time and move to a specified position for welding. The swing arm support clamp in the embodiment comprises a first clamping part 1 and a second clamping part 2, wherein the first clamping part 1 and the second clamping part 2 respectively comprise a first clamping jaw 3 and a second clamping jaw 4, and in addition, the first clamping part and the second clamping part also comprise a driving cylinder 5, a guide part 6 and a positioning part 7.

The driving cylinder 5 can simultaneously drive the first clamping part 1 and the second clamping part 2 to linearly move, so that the first clamping jaw 3 and the second clamping jaw 4 are respectively close to two sides of the positioning part 7, and the two bracket bases 141 can be respectively clamped between one side of the positioning part 7 and the first clamping jaw 3 and between the other side of the positioning part 7 and the second clamping jaw 4; the guide portion 6 guides the first jaw 3 and the second jaw 4 to move linearly.

By adopting the structure, the driving cylinder 5 simultaneously drives the first clamping part 1 and the second clamping part 2 to clamp towards the middle, and taking fig. 1 as a view angle, the first clamping jaw 3 and the second clamping jaw 4 are respectively arranged at the lower ends of the first clamping part 1 and the second clamping part 2, the positioning part 7 is also arranged at the lower end, then the driving cylinder 5 can drive the first clamping jaw 3 and the second clamping jaw 4 to be respectively close to the two sides of the positioning part 7, namely, one side of the first clamping jaw 3 and one side of the positioning part 7 form a clamping position, and the other side of the second clamping jaw 4 and the other side of the positioning part 7 form a clamping position, thereby simultaneously clamping the two bracket seats 141 of the swing arm bracket. In addition, first clamping jaw 3 and second clamping jaw 4 receive the guide effect of guide part 6 when removing, can keep linear motion all the time, have guaranteed the positioning effect who presss from both sides tight fixed swing arm support 14, and because each clamping part and each clamping jaw are vertical extended structure roughly in this embodiment, move in order to press from both sides tightly or loosen to both sides linear motion, and need not to rotate to both sides and open, required working space is less, can be adapted to narrow working space relatively, also change in the space requirement of guaranteeing the welding, and can not take place space interference between each clamping jaw yet.

Referring to fig. 1, the inner sides of the first jaw 3 and the second jaw 4 are provided with positioning pins 8, the inner sides face one side of the positioning portion 7, the positioning pins 8 can pass through the holes of the bracket holder 141, the positioning portion 7 includes positioning blocks 71 at two sides thereof, and the two positioning blocks 71 are provided with pin holes through which the positioning pins 8 can pass.

When the bracket base 141 is clamped between one side of the positioning part 7 and the first clamping jaw 3 or between the other side of the positioning part 7 and the second clamping jaw 4, the positioning pin 8 arranged on the inner side of the clamping jaw can penetrate through the hole of the bracket base 141 and be inserted into the pin hole of the positioning block 71 to further position the swing arm bracket 14, so that the bracket base 141 is prevented from being separated from the clamping position. Specifically, when clamping starts, the positioning pin 8 is not inserted into the pin hole, the bracket base 141 can be firstly penetrated into the positioning pin 8 to pre-position, then the clamping jaw is driven to move, and the positioning pin 8 is gradually inserted into the pin hole in the process that the clamping jaw is gradually close to the positioning block 71.

The guide part 6 in this embodiment comprises a fixed frame 64 arranged below the driving cylinder 5, and the fixed frame 64 is provided with a first guide unit and a second guide unit (not shown in the figure), which guide the first clamping jaw 3 and the second clamping jaw 4 to move linearly, respectively.

The fixing frame 64 is a supporting structure of the swing arm support jig, and the lower end thereof is fixedly connected to the positioning portion 7. When the first clamping part 1, the second clamping part 2, the first clamping jaw 3 and the second clamping jaw 4 are clamped, the first guide unit and the second guide unit which are arranged on the fixing frame 64 respectively guide the moving first clamping jaw 3 and the moving second clamping jaw 4, and the fixing frame 64 can be kept still, so that the guiding accuracy is ensured.

Further, as shown in fig. 1 and 2, for the sake of understanding, for the swing arm bracket clamp, it is defined herein that the direction perpendicular to the paper surface in fig. 1 is the front-back direction, the direction out of the paper surface is the front, and the direction in the paper surface is the back. The first guide unit and the second guide unit are arranged in a front-back staggered manner, the first guide unit is arranged at the front end of the fixing frame 64, the second guide unit is arranged at the rear end of the fixing frame 64, each guide unit comprises two linear bearings 61 which are distributed up and down, and the two linear bearings 61 are horizontally arranged. In addition, the first guide unit and the second guide unit have four linear bearings 61, which are sequentially staggered in the vertical direction, and the projection parts of the linear bearings 61 of the first guide unit and the linear bearings 61 of the second guide unit are overlapped on the orthographic projection surface from top to bottom, so that the linear bearings do not interfere with the respective driving of the corresponding clamping jaws, and the space can be saved. It is understood that each guiding unit may comprise one linear bearing 61, and two linear bearings 61 further ensure the guiding effect.

Be provided with corresponding cylinder axle 62 in each linear bearing 61, cylinder axle 62 can be followed linear bearing 61 and inside passing, is equipped with the ball in the linear bearing 61, and cylinder axle 62 slides along linear bearing 61 along the axial, and with the ball contact, linear bearing 61 is stretched out at the both ends of cylinder axle 62, and one end is connected with corresponding first clamping jaw 3 or second clamping jaw 4, and the other end is provided with stopper 63.

The connection of the cylindrical shaft 62 to the first jaw 3 or the second jaw 4 depends on which guide unit the corresponding linear bearing 61 belongs to, and if the linear bearing 61 belongs to the first guide unit, the corresponding cylindrical shaft 62 is connected to the first jaw 3. The stopper 63 can prevent the end of the cylindrical shaft 62, to which the first jaw 3 or the second jaw 4 is not connected, from coming off the linear bearing 61.

Based on the structure of above-mentioned guide part 6, dislocation set about also needing in the junction of first clamping jaw 3 and second clamping jaw 4 and cylinder shaft 62, at this moment, the bottom clamping jaw head portion of first clamping jaw 3 and second clamping jaw 4 all buckles to relative direction, and first clamping jaw 3 buckles backward promptly, and second clamping jaw 4 buckles forward, finally makes the locating pin 8 of two clamping jaw inboard settings still coaxial for preceding sub vehicle frame 16 to can insert the pinhole of locating piece 71.

In summary, the working process of the guide part 6 is as follows: the driving cylinder 5 drives the first clamping part 1 and the second clamping part 2 to move linearly, the first clamping part 1 and the second clamping part 2 drive the first clamping jaw 3 and the second clamping jaw 4 to clamp respectively, a first guide unit fixed on the fixing frame 64 provides guide for the first clamping jaw 3, the first clamping jaw 3 can only slide in a linear bearing 61 fixed in the direction corresponding to the cylindrical shaft 62, the linear motion of the first clamping jaw 3 in the horizontal direction is ensured, and the upper linear bearing 61 and the lower linear bearing 61 further ensure that the first clamping jaw 3 cannot deviate in the vertical direction during the linear motion; the guiding process of the second clamping jaw 4 is similar to that of the first clamping jaw 3, except that the first guiding unit for guiding is changed into a second guiding unit, and therefore, the description is omitted.

The clamping device further comprises a clamping handle 9 and a handle supporting rod 10, wherein the handle supporting rod 10 is fixed at the upper end of the first clamping part 1, the clamping handle 9 is provided with a long hole, the handle supporting rod 10 is provided with a movable rod capable of penetrating through the long hole and a groove space capable of allowing the clamping handle 9 to move, the clamping handle 9 is slidably connected with the handle supporting rod 10 through the long hole and the movable rod, and the clamping handle 9 is rotatably connected with the upper end of the second clamping part 2; the upper end of the clamping handle 9 is provided with a handle handrail, and a worker can control the clamping handle 9 by controlling the handle handrail to pre-clamp the first clamping part 1 and the second clamping part 2. Taking fig. 1 as a perspective, driving the clamping handle 9 to rotate clockwise will push the two clamping portions apart, and driving the clamping handle 9 to rotate counterclockwise will pull the two clamping portions closer together.

In actual operation, the swing arm support 14 is placed between the positioning pin 8 and the positioning block 71, after the hole of the support base 141 is aligned with the positioning pin 8, a worker can shake the handle handrail at the upper end of the clamping handle 9 to pre-clamp the first clamping portion 1 and the second clamping portion 2, and after pre-clamping, the driving cylinder 5 can be opened to clamp and fix the swing arm support 14.

This pre-clamping can be ensured by the staff that the locating pin 8 is inserted into the hole of the support base 141, if not pre-clamped, the driving cylinder 5 may start and clamp when the locating pin 8 is not inserted into the support base 141, and the locating pin 8 cannot be correctly inserted into the hole of the support base 141, which may result in damage to the locating pin 8, the clamping jaw, and the swing arm support 14.

The swing arm support clamp in this embodiment further includes a swing arm support block 11, the swing arm support block 11 is disposed at the lower end of the positioning portion 7, and when the swing arm support 14 is clamped and fixed to the positioning portion 7, the swing arm support block 11 can support the bottom 142 of the swing arm support 14 from below, so as to further fix the swing arm support 14.

The lower end of the swing arm supporting block 11 is also provided with a contact sensor 12, a sensing head of the contact sensor 12 is arranged on the upper surface of the swing arm supporting block 11, when the swing arm support 14 is clamped in the clamping position, the swing arm supporting block 11 supports the bottom 142 of the swing arm support 14 from the lower part, namely the upper surface of the swing arm supporting block 11 is in contact with the bottom 142 of the swing arm support 14, and the sensing head of the contact sensor 12 can sense the swing arm support 14, namely a signal can be sent to a welding system to start welding; if the swing arm support 14 cannot be sensed by the contact sensor 12, no signal will be sent to the welding system and the weld will not start, preventing a mis-weld.

Referring to fig. 3, the present embodiment further includes a protective shell 13 disposed outside the guide portion 6, in the welding process of the swing arm bracket 14, foreign objects may be generated, and the protective shell 13 can prevent the foreign objects from falling into the guide portion 6, so as to protect the guide portion 6.

As shown in fig. 5 and 6, fig. 5 is a schematic structural view of a swing arm bracket welded on a front subframe by the swing arm bracket clamping tool according to the embodiment of the utility model; fig. 6 is a partially enlarged schematic view of fig. 5.

The utility model also provides a swing arm support clamping tool, which comprises a base frame, wherein a workpiece needing to be welded with the swing arm support 14 can be fixed in the middle of the base frame, in the embodiment, the workpiece is a front auxiliary frame 16, two groups of swing arm support clamps are respectively arranged at two ends of the base frame, each group comprises two swing arm support clamps distributed in the front and back direction, when the front auxiliary frame 16 is fixed on the swing arm support clamping tool, two sides of the front auxiliary frame 16 respectively correspond to one group of swing arm support clamps for clamping and welding the front swing arm support and the rear swing arm support 14, the front direction and the rear direction take figures 4 and 5 as visual angles, the front auxiliary frame 16 comprises two side beams 161, the front direction and the rear direction are along the length direction of the side beams 161, and the front swing arm support and the rear swing arm support 14 are required to be welded to the outer sides of the side beams 161 along the length direction.

Wherein, swing arm support anchor clamps are above-mentioned swing arm support anchor clamps, because swing arm support anchor clamps have had technical effect as above, the swing arm support clamping frock that is provided with swing arm support anchor clamps so also should have the same technical effect, so no longer describe herein.

In addition, the swing arm support 14 can be arranged on other workpieces such as a rear sub frame and a front shaft besides the front sub frame 16, and the swing arm support clamp and the swing arm support clamping tool provided by the utility model can also be used for welding the swing arm support 14 of the rear sub frame and the front shaft.

In this embodiment, a base may be provided for a set of two swing arm supports 14, and the fixing frames 64 of the two swing arm supports 14 are fixed to the base, so as to easily ensure the relative positions of the two swing arm supports 14, thereby ensuring the welding coaxiality of the front and rear swing arm supports 14.

The swing arm support clamping tool further comprises a sliding guide rail 15 and a sliding driving cylinder 17 which are arranged on the base frame, the base of the swing arm support 14 can be provided with a matched sliding sleeve 151, and after the swing arm support 14 is clamped on a swing arm support clamp, the sliding sleeve 151 can be driven to move relative to the sliding guide rail 15 through the sliding driving cylinder 17 so as to move the two swing arm supports 14 to a preset welding position for welding. In fig. 6, the base is provided with two sliding sleeves 151 corresponding to the two swing arm support jigs, and each end of the base frame is provided with two corresponding sliding rails 15 corresponding to the two swing arm support jigs, so as to more stably move the two swing arm support jigs at the same end to a predetermined welding position.

In addition, as shown in fig. 7, the swing arm bracket 14 further includes a swing arm catch plate 143, the swing arm catch plate 143 extends upward along one end of the bottom 142 of the swing arm bracket 14, the swing arm catch plate 143 is located between the two bracket bases 141, when the swing arm bracket 14 is located at the welding position, the side edge of the bracket base 141 is welded to the outer side of the side beam 161, the swing arm catch plate 143 is located on the inner side of the side beam 161, and the upper end of the swing arm catch plate 143 is higher than the lower end of the side beam 161, so as to catch the side beam 161 inward and outward, thereby increasing the reliability of connection with the side beam 161. At this time, the swing arm bracket 14 cannot be moved to the predetermined welding position by horizontal pushing, and therefore, as shown in fig. 6, the slide rail 15 in this embodiment is disposed obliquely and gradually inclined upward from the lower position to the welding position, so that the swing arm catching plate 143 can be gradually moved from below to the inside of the side member 161 during the oblique movement.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims (12)

1. A swing arm brace clamp, the swing arm brace (14) comprising two brace mounts (141), characterized in that: the swing arm support clamp comprises a first clamping part (1) and a second clamping part (2), wherein the first clamping part (1) and the second clamping part (2) respectively comprise a first clamping jaw (3) and a second clamping jaw (4); the swing arm support clamp further comprises a driving cylinder (5), a guide part (6) and a positioning part (7);

the driving cylinder (5) drives the first clamping part (1) and the second clamping part (2) to move linearly at the same time, so that the first clamping jaw (3) and the second clamping jaw (4) are close to two sides of the positioning part (7) respectively, and the two bracket seats (141) can be clamped between one side of the positioning part (7) and the first clamping jaw (3) and between the other side of the positioning part (7) and the second clamping jaw (4) respectively; the guide part (6) guides the first clamping jaw (3) and the second clamping jaw (4) to move linearly.

2. The swing arm bracket clamp of claim 1, wherein: first clamping jaw (3) second clamping jaw (4) all are equipped with locating pin (8), locating pin (8) can pass the hole of support seat (141), location portion (7) are including locating piece (71) that are located both sides, locating piece (71) are equipped with the pinhole, locating pin (8) are along with corresponding first clamping jaw (3) second clamping jaw (4) rectilinear movement is in order to penetrate or leave the pinhole.

3. The swing arm bracket clamp of claim 1, wherein: the guide part (6) comprises a fixing frame (64) arranged below the driving cylinder (5), a first guide unit and a second guide unit are arranged on the fixing frame (64), and the first guide unit and the second guide unit respectively guide the first clamping jaw (3) and the second clamping jaw (4) to move linearly.

4. The swing arm bracket clamp of claim 3, wherein: the first guide unit and the second guide unit are arranged in a front-back staggered manner and respectively comprise two linear bearings (61) which are distributed up and down, and the linear bearings (61) are horizontally arranged;

a corresponding cylindrical shaft (62) is arranged in each linear bearing (61), the cylindrical shaft (62) can slide in the linear bearing (61) along the axial direction, two ends of the cylindrical shaft (62) extend out of the linear bearing (61), one end of the cylindrical shaft is connected with the first clamping jaw (3) or the second clamping jaw (4), and the other end of the cylindrical shaft is provided with a limiting block (63).

5. The swing arm bracket clamp of claim 1, wherein: still including pressing from both sides tight handle (9) and handle support pole (10), handle support pole (10) are fixed in first clamp part (1), press from both sides tight handle (9) and be equipped with the slot hole, handle support pole (10) pass through the slot hole with press from both sides tight handle (9) sliding connection, press from both sides tight handle (9) with rotatable coupling between second clamp part (2), it can be right to press from both sides tight handle (9) in advance first clamp part (1) with second clamp part (2).

6. The swing arm support clamp of any one of claims 1 to 5, wherein: the swing arm support device is characterized by further comprising a swing arm support block (11), wherein the swing arm support block (11) is arranged at the lower end of the positioning portion (7), and when the swing arm support (14) is clamped on the positioning portion (7), the swing arm support block (11) can support the bottom (142) of the swing arm support (14) from the lower side.

7. The swing arm bracket clamp of claim 6, wherein: the swing arm supporting device is characterized by further comprising a contact inductor (12), wherein the contact inductor (12) is arranged at the lower end of the swing arm supporting block (11), and an induction head of the contact inductor (12) is arranged on the upper surface of the swing arm supporting block (11).

8. The swing arm support clamp of any one of claims 1 to 5, wherein: the device is characterized by further comprising a protective shell (13) arranged on the outer side of the guide portion (6), wherein the protective shell (13) can prevent foreign matters from falling into the guide portion (6).

9. The utility model provides a swing arm support clamping frock, can fix the work piece that needs welding swing arm support (14), its characterized in that: the swing arm support clamping tool comprises a base frame, the middle of the base frame is used for fixing the workpiece, two swing arm support clamps are arranged at two ends of the base frame and used for clamping the front swing arm support and the rear swing arm support (14) during welding, and the swing arm support clamps are the swing arm support clamps in any one of claims 1-8.

10. The swing arm bracket clamping tool of claim 9, characterized in that: each end of bed frame all is equipped with the base, two swing arm support anchor clamps all install in the base.

11. The swing arm bracket clamping tool of claim 10, characterized in that: the base frame further comprises a sliding guide rail (15) and a sliding sleeve (151) arranged on the base, and after the swing arm support (14) is clamped on the swing arm support clamp, the swing arm support clamp can slide on the sliding guide rail (15) through the sliding sleeve (151) and move the swing arm support (14) to a preset welding position.

12. The swing arm bracket clamping tool of claim 11, characterized in that: the sliding guide rail (15) is obliquely arranged and gradually inclines upwards to a welding position from a low position.

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