Tension testing device for automobile brake clearance adjusting arm

Abstract

The utility model relates to the technical field of automobiles, in particular to a tension testing device for an automobile brake clearance adjusting arm. The device comprises an operation table, a guide groove is formed in the top end in the operation table, supporting columns are slidably connected to the two ends in the guide groove, arc-shaped clamping plates are slidably connected to the two sides in the supporting columns, guide rods are fixed to the two sides in the supporting columns, and the outer sides of the guide rods are slidably connected with the arc-shaped clamping plates; a tension mechanism used for driving the supporting column to adjust and detect the adjusting arms of different models and lengths is arranged in the operation table. According to the tension testing device for the automobile brake clearance adjusting arm, the tension mechanism is started to drive the supporting column and the arc-shaped clamping plate to move in the direction away from each other, so that the supporting column and the arc-shaped clamping plate drive the adjusting arm to test tension; therefore, the lifting device can be adjusted and tested according to the adjusting arms with different models and lengths.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially a tension testing device for automobile brake clearance adjusting arm. BACKGROUND

[0002] Frequent braking of the automobile can cause rapid wear of the brake pad, increase the brake clearance between the brake drum and the brake shoe, and easily cause safety hazards such as brake rollover, brake lag, and reduced braking force. The adjusting arm is a key part of the automobile braking system, and testing its performance is a key factor in ensuring the reliability of the performance of the automobile adjusting arm. The flexibility and reliability of the control arm of the adjusting arm are related to whether the braking torque can be timely transmitted to the braking system, so the control arm of the adjusting arm shipped from the factory needs to be tested before the adjusting arm is assembled with the control arm.

[0003] When using the above technology, it is found that the existing technology has the following technical problems: the existing technology is not convenient for fixing different types and sizes of brake clearance adjusting arms, so when testing the tension, the adjusting arm position is easily moved, which ultimately causes inaccurate test results. Therefore, we design a tension testing device for automobile brake clearance adjusting arm to provide another technical solution to the above technical problems. INVENTION CONTENTS

[0004] Therefore, it is necessary to provide a tension testing device for automobile brake clearance adjusting arm to adjust different types and sizes of adjusting arms through sliding support columns, and then place the two ends of the adjusting arm inside the support column. The arc-shaped clamping plate is used to position and limit the adjusting arm, and then the tension mechanism is started to drive the support column and the arc-shaped clamping plate to move away from each other, so that the support column and the arc-shaped clamping plate drive the adjusting arm to test the tension, thereby facilitating the adjustment and testing of the device according to different types and lengths of adjusting arms.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A tension testing device for automobile brake clearance adjusting arm, comprising an operation table, a guide groove is formed in the top end of the operation table, two support columns are slidably connected at both ends of the guide groove, arc-shaped clamping plates are slidably connected to both sides of the support column, guide rods are fixed to both sides of the support column, the outer side of the guide rod is slidably connected with the arc-shaped clamping plate, and a tension mechanism is arranged in the operation table to drive the support column to adjust and test different types and lengths of adjusting arms.

[0007] As a preferred embodiment of the tension testing device for the automobile brake clearance adjusting arm provided by the utility model, the tension mechanism comprises a servo motor, a transmission disc, a transmission block, a worm and a worm wheel, the bottom end in the operation table is rotationally connected with the transmission disc, both ends of the transmission disc are rotationally connected with the transmission block, and one end of the transmission block away from the transmission disc is rotationally connected with the supporting column.

[0008] As a preferred embodiment of the tension testing device for the automobile brake clearance adjusting arm provided by the utility model, the bottom end in the operation table is fixed with the servo motor, the output end of the servo motor is fixed with the worm, the bottom end of the transmission disc is fixed with the worm wheel, and the outer side of the worm wheel is meshedly connected with the worm.

[0009] As a preferred embodiment of the tension testing device for the automobile brake clearance adjusting arm provided by the utility model, the inside of the supporting column is provided with a positioning mechanism for limiting the adjusting arm, the outer side of the guide rod is sleeved with the spring, the bottom end of the spring is fixed with the arc-shaped clamping plate, and the top end of the spring is fixed with the supporting column.

[0010] As a preferred embodiment of the tension testing device for the automobile brake clearance adjusting arm provided by the utility model, the top end of the arc-shaped clamping plate is fixed with the handle.

[0011] As a preferred embodiment of the tension testing device for the automobile brake clearance adjusting arm provided by the utility model, the bottom end of the supporting column and the end, which is close to the arc-shaped clamping plate, are both fixed with the protective pad.

[0012] It can be seen without doubt that the above technical scheme of the application can solve the technical problems to be solved by the application.

[0013] Meanwhile, through the above technical scheme, the utility model has at least the following beneficial effects:

[0014] The tension testing device for the automobile brake clearance adjusting arm provided by the utility model positions the adjusting arm through the spring elasticity and the arc-shaped clamping plate, further rotates the worm and the worm wheel through the starting servo motor, drives the transmission disc to rotate synchronously through the worm wheel, drives the transmission block to move in the direction of moving away from or close to each other through the transmission disc, so as to adjust the length of the adjusting arm and test the adjusting arm synchronously. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the technical scheme of the utility model more clearly understood, the following will briefly introduce the drawings needed in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the operation table of the utility model;

[0018] Figure 3 It is the internal structure schematic view of the support column of the utility model;

[0019] Figure 4 It is the worm and worm wheel connecting structure schematic view of the utility model.

[0020] In the drawing: 1, operation table;2, support column;3, worm;4, guide groove;5, servo motor;6, worm wheel;7, transmission disc;8, transmission block;9, guide rod;10, spring;11, arc-shaped clamping plate;12, handle. Specific implementation

[0021] In order to make the technical scheme of the utility model more clearly understood, the following will briefly introduce the drawings needed in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] In order to make the technical scheme of the utility model more clearly understood, the following will briefly introduce the drawings needed in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0023] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0024] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the following drawings.

[0025] Embodiment one

[0026] Please refer to Figures 1-4A tension testing device for automobile brake clearance adjusting arm, including operation platform 1, the top of the inside of operation platform 1 is provided with guide groove 4, both ends of the inside of guide groove 4 are slidably connected with support column 2, both sides of the inside of support column 2 are slidably connected with arc-shaped clamping plate 11, both sides of the inside of support column 2 are fixedly provided with guide rod 9, the outside of guide rod 9 is slidably connected with arc-shaped clamping plate 11, the inside of operation platform 1 is provided with tension mechanism for driving support column 2 to adjust and test adjusting arm of different models in length;

[0027] In use, by sliding support column 2, adjusting arm of different models is adjusted, then the both ends of adjusting arm are placed on the inside of support column 2, arc-shaped clamping plate 11 is used to position and limit adjusting arm, then tension mechanism is started to drive support column 2 and arc-shaped clamping plate 11 to move away from each other, so that support column 2 and arc-shaped clamping plate 11 drive adjusting arm to test tension, so that the device can be used to adjust and test adjusting arm of different models in length;

[0028] Tension mechanism includes servo motor 5, transmission disc 7, transmission block 8, worm 3 and worm wheel 6, the bottom of the inside of operation platform 1 is rotatably connected with transmission disc 7, both ends of transmission disc 7 are rotatably connected with transmission block 8, one end, away from transmission disc 7, of transmission block 8 is rotatably connected with support column 2, the bottom of the inside of operation platform 1 is fixedly provided with servo motor 5, the output end of servo motor 5 is fixedly provided with worm 3, the bottom of transmission disc 7 is fixedly provided with worm wheel 6, the outside of worm wheel 6 is meshingly connected with worm 3;

[0029] Further, worm 3 and worm wheel 6 are rotated by starting servo motor 5, so that transmission disc 7 is synchronously rotated by worm wheel 6, and transmission block 8 drives two support columns 2 to move away from each other or close to each other, so as to test tension synchronously according to the length of adjusting arm;

[0030] The inside of support column 2 is provided with positioning mechanism for limiting adjusting arm, positioning mechanism includes spring 10, the outside of guide rod 9 is sleeved with spring 10, the bottom of spring 10 is fixedly connected with arc-shaped clamping plate 11, the top of spring 10 is fixedly connected with support column 2, the top of arc-shaped clamping plate 11 is fixedly provided with handle 12, when adjusting arm is placed on the inside of support column 2, arc-shaped clamping plate 11 is elastically driven by spring 10 to position adjusting arm, the bottom of support column 2 and the end, close to arc-shaped clamping plate 11, are fixedly provided with protective pad, protective pad effectively protects the surface of adjusting arm, and handle 12 effectively drives arc-shaped clamping plate 11 to separate from adjusting arm, and adjusting arm is convenient to take out.

[0031] The use process of the tension testing device for automobile brake clearance adjusting arm is as follows:

[0032] Working principle: through the sliding support column 2 according to the adjusting arm of different models to adjust, and then the two ends of the adjusting arm are placed in the inner side of support column 2, at this time through the spring 10 elastic drive arc clamping plate 11 to the adjusting arm positioning, and then through the start servo motor 5 drive worm 3 and worm wheel 6 to rotate, make worm wheel 6 drive transmission disc 7 synchronous rotation, and transmission disc 7 drive transmission block 8 let two support columns 2 to each other away or close direction movement, in order to adjust according to the length of the adjusting arm, synchronous convenient to the adjusting arm test.

[0033] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A tension testing device for an automotive brake lash adjustment arm, characterized by, Including the operating platform (1), the top of the operating platform (1) is internally provided with a guide groove (4), both ends of the guide groove (4) are slidably connected with a support column (2), both sides of the support column (2) are slidably connected with an arc-shaped clamping plate (11), both sides of the support column (2) are fixedly connected with a guide rod (9), the outer side of the guide rod (9) is slidably connected with the arc-shaped clamping plate (11), and the inside of the operating platform (1) is provided with a tension mechanism for driving the support column (2) to adjust and test the adjusting arm of different models and lengths.

2. The tension testing device for a brake lash adjustment arm of an automotive vehicle as set forth in claim 1, wherein The tension mechanism comprises a servo motor (5), a transmission disc (7), a transmission block (8), a worm (3) and a worm wheel (6), the bottom of the operating platform (1) is rotatably connected with the transmission disc (7), both ends of the transmission disc (7) are rotatably connected with the transmission block (8), and one end of the transmission block (8) away from the transmission disc (7) is rotatably connected with the support column (2).

3. A tension testing device for a brake lash adjustment arm of a vehicle as defined in claim 2, wherein The bottom of the operating platform (1) is fixedly connected with the servo motor (5), the output end of the servo motor (5) is fixedly connected with the worm (3), the bottom of the transmission disc (7) is fixedly connected with the worm wheel (6), and the outer side of the worm wheel (6) is meshedly connected with the worm (3).

4. The tension testing device for a brake lash adjustment arm of an automotive vehicle as set forth in claim 1, wherein The inside of the support column (2) is provided with a positioning mechanism for limiting the adjusting arm, the positioning mechanism comprises a spring (10), the outer side of the guide rod (9) is sleeved with the spring (10), the bottom of the spring (10) is fixedly connected with the arc-shaped clamping plate (11), and the top of the spring (10) is fixedly connected with the support column (2).

5. A tension testing device for a brake lash adjustment arm of a vehicle as defined in claim 4, wherein The top of the arc-shaped clamping plate (11) is fixedly connected with a pull handle (12).

6. The tension testing device for a brake lash adjustment arm of an automotive vehicle as set forth in claim 2, wherein The bottom of the support column (2) and the end of the arc-shaped clamping plate (11) close to each other are fixedly connected with a protective pad.

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