Welding clamp suitable for patrol car body assembling and welding

Abstract

The utility model belongs to the technical field of welding fixtures, and particularly discloses a welding fixture suitable for assembling and welding a patrol car body. The clamp comprises a bicycle head right support, a bicycle head left support, a balance rod support, a pressing plate and a long pressing plate. According to the welding fixture provided by the utility model, the positioning bracket is matched with the shaft for use, so that the overall welding precision is higher; the operability and the applicability are improved while the assembling and welding precision is ensured; the support and the shaft are used in cooperation, and accurate and effective positioning can be provided for assembly and welding of a vehicle body driving wheel, a balance rod and a vehicle body bottom deck. And through overall clamping of the product, the overall positioning stability of the product and the rigid limiting effect on welding deformation are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding fixture technical field, specifically discloses a kind of welding fixture suitable for the welding of patrol car body. BACKGROUND

[0002] For a kind of island reef unmanned reconnaissance patrol car, its car body is an important component of the car, and the overall production quality has a significant impact on the entire car model.

[0003] The walking system of the car body includes a driving wheel and a balance bar, so accurate positioning of the driving wheel and the balance bar is the key to ensure the smooth implementation of the walking part of the car body. The dimensional accuracy of each part is high, so the relative positioning dimensional accuracy between each component and the overall positioning accuracy during the product welding process have a significant impact on the subsequent part assembly.

[0004] Therefore, it is necessary to develop a welding fixture suitable for the welding of patrol car body to improve welding accuracy and efficiency. INVENTION CONTENTS

[0005] The utility model realizes the following technical solutions:

[0006] A welding fixture suitable for the welding of patrol car body includes a car head right support 1, a car head left support 2, a balance bar support 3, a pressing plate 7, and a long pressing plate 8.

[0007] The car head right support 1 and the car head left support 2 are symmetrically fixed on one side of the welding fixture car head and are used to position the left and right driving wheel supports of the car body. The car head right support 1 and the car head left support 2 have the same structure, which includes a bottom plate and a side plate perpendicular to the bottom surface. The side plate has a through hole at the top, and a shaft bushing 5 is installed in the through hole. The bottom plate has a balance bar mounting hole on the side of the bottom, and a balance bar bushing 6 is installed in the balance bar mounting hole.

[0008] The side opposite to the side where the car head right support 1 and the car head left support 2 are located has a long pressing plate 8, and the long pressing plate 8 spans the width of the car body. The near-car-head side of the long pressing plate 8 is symmetrically provided with two pressing plates 7, which are parallel to the car head right support 1 and the car head left support 2. The pressing plate 7 and the long pressing plate 8 are used to fix and clamp the car body bottom deck, ensure that the bottom deck does not move in the front-back and left-right directions, and achieve effective positioning of the bottom deck.

[0009] The car head right support 1, the car head left support 2, and the pressing plate 7 are provided with a plurality of balance bar supports 3 that are symmetrically and uniformly distributed, and the balance bar supports 3 are parallel to the car head right support 1 and the car head left support 2.

[0010] Each group of balance bar supports 3 is symmetrically provided with a through hole that is equipped with a balance bar bushing 6.

[0011] The front right bracket 1, the front left bracket 2, the balance bar bracket 3, the pressing plate 7 and the long pressing plate 8 are detachably fixed on the flat plate.

[0012] Preferably, the front right bracket 1, the front left bracket 2, the balance bar bracket 3, the pressing plate 7 and the long pressing plate 8 are provided with threaded holes on the corresponding flat plate.

[0013] Further, the front right bracket 1, the front left bracket 2, the balance bar bracket 3, the pressing plate 7 and the long pressing plate 8 are fixed by screw structure.

[0014] Preferably, the bottom plate and the side plate of the front right bracket 1 and the front left bracket 2 are connected by a reinforcing rib.

[0015] Preferably, the balance bar bracket 3 is provided with three groups of six.

[0016] Preferably, the driving wheel shaft 9 to be installed is positioned through the shaft bushing 5 to ensure the concentricity of the left and right driving wheels.

[0017] Preferably, the balance shaft 4 to be installed is positioned through the balance bar bushing 6 to ensure the concentricity.

[0018] Preferably, the front right bracket 1, the front left bracket 2, the balance bar bracket 3, the pressing plate 7 and the long pressing plate 8 are all made of metal material.

[0019] The beneficial effects of the utility model are:

[0020] The welding fixture provided by the utility model has the advantages that: the overall welding precision is high by using the positioning bracket in cooperation with the shaft; the operability and applicability are improved while ensuring the welding precision; the cooperation of the bracket and the shaft can provide accurate and effective positioning for the assembly welding of the driving wheel of the vehicle body, the balance bar and the bottom deck of the vehicle body; the overall positioning stability of the product and the rigid restriction effect on the welding deformation are improved through the overall clamping of the product. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a top view schematic diagram of the device structure of the utility model;

[0022] Figure 2 It is a left view schematic diagram of the device structure of the utility model;

[0023] Figure 3 It is a front view schematic diagram of the device structure of the utility model. DETAILED DESCRIPTION

[0024] In order to better illustrate the purpose, technical scheme and advantages of the utility model, further description will be made in combination with the drawings and examples. It should be understood that the examples are only used to illustrate the technical effects of the utility model, and are not used to limit the protection scope of the utility model.

[0025] The utility model is further described below in combination with the drawings and specific embodiments.

[0026] Embodiment 1

[0027] A welding fixture suitable for patrol vehicle body assembly welding, comprising a front right support 1, a front left support 2, a balance bar support 3, a pressing plate 7, and a long pressing plate 8.

[0028] The front right support 1 and the front left support 2 are symmetrically fixed to one side of the front of the welding fixture and used for positioning the left and right drive wheel supports of the vehicle body; the front right support 1 and the front left support 2 are structurally identical and comprise a bottom plate and a side plate perpendicular to the bottom plate; the bottom plate and the side plate are connected by a reinforcing rib; the side plate is provided with a through hole at the top, and a shaft bushing 5 is installed in the through hole; the bottom plate is provided with a balance bar mounting hole at the bottom side, and a balance bar bushing 6 is installed in the balance bar mounting hole.

[0029] The side opposite to the side where the front right support 1 and the front left support 2 are located is provided with the long pressing plate 8, and the long pressing plate 8 spans the width of the vehicle body; the near-front side of the long pressing plate 8 is symmetrically provided with two pressing plates 7, which are parallel to the front right support 1 and the front left support 2, respectively; the pressing plate 7 and the long pressing plate 8 fix the bottom deck of the vehicle body and ensure that the bottom deck does not move in the front-rear and left-right directions, thereby achieving effective positioning of the bottom deck.

[0030] The front right support 1, the front left support 2, and the pressing plate 7 are provided with a plurality of groups of balance bar supports 3 that are symmetrically and uniformly distributed, and the balance bar supports 3 are parallel to the front right support 1 and the front left support 2, respectively.

[0031] Each group of balance bar supports 3 is symmetrically provided with a through hole that houses a balance bar bushing 6.

[0032] The front right support 1, the front left support 2, the balance bar support 3, the pressing plate 7, and the long pressing plate 8 are detachably fixed to a flat plate.

[0033] The flat plate corresponding to the front right support 1, the front left support 2, the balance bar support 3, the pressing plate 7, and the long pressing plate 8 is provided with a threaded hole, which is fixed by a screw structure.

[0034] The balance bar support 3 is provided with three groups of six balance bar supports.

[0035] The drive wheel shaft 9 to be installed is positioned by passing through the shaft bushing 5, thereby ensuring the concentricity of the left and right drive wheels; the balance shaft 4 to be installed is positioned by passing through the balance bar bushing 6, thereby ensuring the concentricity.

[0036] The front right support 1, the front left support 2, the balance bar support 3, the pressing plate 7, and the long pressing plate 8 are all made of metal materials.

[0037] The above description is only one specific example of the present application, and does not constitute any limitation on the present application. For those skilled in the art, after understanding the content and principle of the present application, various modifications and changes in form and details can be made without departing from the principle and structure of the present application. However, these modifications and changes based on the idea of the present application are still within the protection scope of the claims of the present application.

Claims

1. A welding fixture suitable for use in the assembly welding of a patrol car body, characterized in that, The right front bracket (1), the left front bracket (2), the balance bar bracket (3), the pressing plate (7), and the long pressing plate (8); The right front bracket (1) and the left front bracket (2) are symmetrically fixed on one side of the front of the welding fixture, and are used for positioning the left and right driving wheel brackets of the vehicle body; the right front bracket (1) and the left front bracket (2) are the same in structure, and comprise a bottom plate and a side plate perpendicular to the bottom plate; a through hole is arranged at the top of the side plate, and an axle bushing (5) is arranged in the through hole; a balance bar mounting hole is arranged at the bottom of the bottom plate, and a balance bar bushing (6) is arranged in the balance bar mounting hole; A long pressing plate (8) is arranged on the side opposite to the side where the right front bracket (1) and the left front bracket (2) are arranged, and the long pressing plate (8) spans the width of the vehicle body; two pressing plates (7) are symmetrically arranged on the side close to the front of the long pressing plate (8), and are parallel to the right front bracket (1) and the left front bracket (2); the pressing plates (7) and the long pressing plate (8) are used for fixing and clamping the bottom deck of the vehicle body, so as to prevent the bottom deck from moving in the front-rear and left-right directions, and to realize effective positioning of the bottom deck; A plurality of groups of balance bar brackets (3) are symmetrically and uniformly arranged between the right front bracket (1), the left front bracket (2) and the pressing plate (7), and the balance bar brackets (3) are parallel to the right front bracket (1) and the left front bracket (2); Each group of balance bar brackets (3) is symmetrically provided with a through hole, and a balance bar bushing (6) is arranged in the through hole; The right front bracket (1), the left front bracket (2), the balance bar bracket (3), the pressing plate (7) and the long pressing plate (8) are detachably fixed on a flat plate.

2. The welding fixture suitable for the assembly welding of the patrol car body as claimed in claim 1, characterized in that, The flat plate corresponding to the right front bracket (1), the left front bracket (2), the balance bar bracket (3), the pressing plate (7) and the long pressing plate (8) is provided with a threaded hole.

3. The welding fixture suitable for the assembly welding of the patrol car body as claimed in claim 2, characterized in that, The right front bracket (1), the left front bracket (2), the balance bar bracket (3), the pressing plate (7) and the long pressing plate (8) are fixed by a screw structure.

4. The welding fixture suitable for the assembly welding of a patrol car body as claimed in claim 1, characterized in that, The bottom plate and the side plate of the right front bracket (1) and the left front bracket (2) are connected by a reinforcing rib.

5. The welding fixture suitable for the assembly welding of a patrol car body as claimed in claim 1, characterized in that, The balance bar bracket (3) is provided with three groups of six balance bar brackets.

6. The welding fixture suitable for the assembly welding of a patrol car body as claimed in claim 1, characterized in that, The driving wheel shaft (9) to be installed is positioned by penetrating the axle bushing (5), so as to ensure the concentricity of the left and right driving wheels.

7. The welding fixture suitable for the assembly welding of a patrol car body as claimed in claim 1, characterized in that, The balance shaft (4) to be installed is positioned by penetrating the balance bar bushing (6), so as to ensure the concentricity.

8. The welding fixture suitable for the assembly welding of a patrol car body as claimed in claim 1, characterized in that, The right front bracket (1), the left front bracket (2), the balance bar bracket (3), the pressing plate (7) and the long pressing plate (8) are all made of metal materials.

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