Strength testing device for front fork outer pipeline rack

Abstract

The utility model discloses a strength testing device for a front fork outer pipeline rack. The strength testing device comprises a workbench, a protective outer cover and an impact mechanism, the left side of the front end of the upper surface of the workbench is fixedly connected with sliding supporting frames which are in bilateral symmetry, guiding sliding openings are formed in the sliding supporting frames, a front fork outer pipeline rack mounting supporting seat is slidably connected between the interiors of the guiding sliding openings, and a rubber friction pad is fixedly connected into the front fork outer pipeline rack mounting supporting seat. The protective cover is fixedly connected to the right side of the rear end of the upper surface of the workbench. According to the front fork outer pipeline rack strength testing device, the torque of the servo motor can be converted into impact, and the impact strength is changed by controlling the torque of the servo motor, so that strength tests of different degrees can be carried out, and the front fork outer pipeline rack can be rapidly pulled to carry out position adjustment; therefore, strength tests of different strengths can be carried out on different positions of the front fork outer pipeline rack, and internal test standards can be conveniently formed.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle front forks, in particular to a front fork outer pipe rack strength testing device. Background Art

[0002] The front fork of a bicycle is located in the front part of the bicycle structure. Its upper end is connected to the handlebar, the frame part cooperates with the front tube, and the lower end cooperates with the front axle part to form the guide system of the bicycle. It should be divided into three parts, and the front fork outer tube frame is a part of the bicycle front fork. The strength of the front fork outer tube frame affects the overall strength of the front fork, so the strength of the front fork outer tube frame needs to be tested during production.

[0003] Part of the traditional strength test of the front fork outer pipe frame is to perform an impact test on the front fork outer pipe frame; the current strength test of the front fork outer pipe frame has the following problems, such as only the impact test is likely to result in single data, and at the same time it is not possible to perform different degrees of strength tests on the front fork outer pipe frame, it is difficult to quantify the data, and thus it is difficult to form a test standard. Therefore, a front fork outer pipe frame strength test device is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a strength testing device for a front fork outer pipe rack, which can convert the torque of a servo motor into impact force, so as to perform strength tests of different degrees, and can record the test strength and test results according to the different torques of the servo motor, so as to form an internal test standard, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a front fork outer pipe rack strength testing device, comprising a workbench, a protective outer cover and an impact mechanism;

[0006] A left-right symmetrical sliding support frame is fixedly connected to the front left side of the upper surface of the workbench, and a guide sliding opening is opened inside the sliding support frame. A front fork outer pipeline rack mounting support seat is slidably connected between the insides of the guide sliding openings, and a rubber friction pad is fixedly connected inside the front fork outer pipeline rack mounting support seat;

[0007] The protective cover is fixedly connected to the right side of the rear end of the upper surface of the workbench, and the upper surface of the protective cover is fixedly connected to a fixed support frame;

[0008] The impact mechanism includes a mounting frame and a slide frame, wherein the mounting frame is fixedly connected to the left side of the fixed support frame, and the slide frame is slidably connected inside the mounting frame;

[0009] Among them: it also includes a fixing frame, which is fixedly connected to the front end of the inner wall of the slide, and the front side of the fixing frame is fixedly connected to a collision column, and the position of the collision column corresponds to the position of the front fork outer pipeline rack mounting support seat.

[0010] The utility model can convert the torque of the servo motor into impact, and change the impact intensity by controlling the torque of the servo motor, so that strength tests of different degrees can be performed, and the front fork outer pipe frame can be quickly pulled to adjust the position, so that strength tests of different intensities can be performed on different positions of the front fork outer pipe frame, which is convenient for forming internal test standards.

[0011] Furthermore, the impact mechanism also includes a semi-annular mounting frame, a limit plate and a sliding column. The left side of the mounting frame is provided with a sliding opening, the middle part of the left end of the outer surface of the mounting frame is fixedly connected to the semi-annular mounting frame, the right side of the semi-annular mounting frame is fixedly connected to the limit plate, the left end of the outer surface of the slide is fixedly connected to the sliding column, the outer surface of the limit plate and the interior of the sliding opening form a whole with the interior being slidably connected to the outer surface of the sliding column for guiding.

[0012] Furthermore, the impact mechanism also includes a rotating shaft, a fixed block and a push rod. The rotating shaft is rotatably connected to the inside of the right end of the mounting frame, the left end of the rotating shaft is fixedly connected to the fixed block, and the front and rear sides of the fixed block are fixedly connected to left-right symmetrical push rods, which can convert the rotation into linear movement of the slide.

[0013] Furthermore, the impact mechanism also includes an inclined column, and the left wall of the slide is fixedly connected with the inclined column. The right end of the inclined column is located in the gap between the two push rods on the front side, and the slide can be pushed by the inclined column.

[0014] Furthermore, a servo controller is fixedly connected inside the protective cover, and an input end of the servo controller is electrically connected to an external power supply to control the servo motor.

[0015] Furthermore, a servo motor is fixedly connected to the upper surface of the fixed support frame, and the left end of the output shaft of the servo motor passes through the left side surface of the fixed support frame. The left end of the output shaft of the servo motor is fixedly connected to the right end of the rotating shaft, and the input end of the servo motor is electrically connected to the output end of the servo controller, so that the torque of the servo motor can be controlled.

[0016] Furthermore, an escape opening is opened on the left side of the front end of the upper surface of the workbench, and the escape opening is located below the front fork external pipeline rack mounting support seat, which can provide auxiliary support and provide downward avoidance for the front fork external pipeline.

[0017] Furthermore, the right end of the front fork outer pipeline rack mounting support seat is fixedly connected to a support plate, and the right side surface of the support plate is fixedly connected to a handle, which saves manpower.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The staff controls the servo motor to start through the servo controller, and controls the torque of the servo motor through the servo controller at the same time. The operation of the servo motor drives the rotating shaft to rotate, the rotation of the rotating shaft drives the fixed block to rotate, the rotation of the fixed block drives the push rod to rotate, the push rod pushes the inclined column, the inclined column drives the slide to rotate, and the rotation of the slide drives the slide column to move inside the whole composed of the outer surface of the limit plate and the inner part of the slide, so that the slide rotates and moves forward at the same time, the forward movement of the slide drives the fixed frame to move forward, and the forward movement of the fixed frame drives the impact column to move forward, so that the impact column contacts the outer surface of the front fork outer cable rack, thereby the torque of the servo motor can be used to drive the impact column to move forward, so that the impact column can be used to impact the outer cable rack of the bicycle front fork, so as to test the strength of the outer cable rack of the bicycle front fork, and different degrees of strength tests can be performed by controlling different torques of the servo motor;

[0020] 2. During the test, the staff can push the handle, and the handle moves up and down to drive the support plate to move up and down. The up and down movement of the support plate drives the front fork outer cable rack mounting support seat to move up and down inside the guide slide, so as to perform strength tests on different positions of the same bicycle front fork outer cable rack, thereby better testing the strength of the bicycle front fork outer cable rack and reducing the risk of breakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the partial structure of the impact mechanism of the utility model;

[0023] Figure 3 It is a partial cross-sectional structural schematic diagram of the impact mechanism of the utility model.

[0024] In the figure: 1 workbench, 2 sliding support frame, 3 guide slide, 4 front fork outer pipeline rack mounting support seat, 5 avoidance, 6 protective cover, 7 fixed support frame, 8 impact mechanism, 81 mounting frame, 82 slide, 83 rotating shaft, 84 fixed block, 85 push rod, 86 semi-circular mounting frame, 87 limit plate, 88 inclined column, 89 sliding column, 9 servo motor, 10 servo controller, 11 support plate, 12 handle, 13 rubber friction pad, 14 fixed frame, 15 impact column. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3 This embodiment provides a technical solution: a front fork outer pipe rack strength testing device, including a workbench 1, a protective outer cover 6 and an impact mechanism 8.

[0027] Among them, a left-right symmetrical sliding support frame 2 is fixedly connected to the left side of the front end of the upper surface of the workbench 1, and a guide slide 3 is opened inside the sliding support frame 2. A front fork outer pipeline rack mounting support seat 4 is slidingly connected inside the guide slide 3, and a rubber friction pad 13 is fixedly connected inside the front fork outer pipeline rack mounting support seat 4.

[0028] Among them, the protective cover 6 is fixedly connected to the right side of the rear end of the upper surface of the workbench 1, the upper surface of the protective cover 6 is fixedly connected with a fixed support frame 7, the interior of the protective cover 6 is fixedly connected with a servo controller 10, the input end of the servo controller 10 is electrically connected to an external power supply, the upper surface of the fixed support frame 7 is fixedly connected with a servo motor 9, the left end of the output shaft of the servo motor 9 passes through the left side of the fixed support frame 7, the left end of the output shaft of the servo motor 9 is fixedly connected to the right end of the rotating shaft 83, the input end of the servo motor 9 is electrically connected to the output end of the servo controller 10, and an avoidance opening 5 is opened on the left side of the front end of the upper surface of the workbench 1, the avoidance opening 5 is located below the front fork outer pipeline rack mounting support seat 4, the right end of the front fork outer pipeline rack mounting support seat 4 is fixedly connected with a support plate 11, and the right side surface of the support plate 11 is fixedly connected with a handle 12.

[0029] Among them, the impact mechanism 8 includes a mounting frame 81 and a slide 82. The mounting frame 81 is fixedly connected to the left side of the fixed support frame 7. The slide 82 is slidably connected inside the mounting frame 81. The impact mechanism 8 also includes a semi-annular mounting frame 86, a limit plate 87 and a slide column 89. A sliding opening is opened on the left side of the mounting frame 81. The middle part of the left end of the outer surface of the mounting frame 81 is fixedly connected to the semi-annular mounting frame 86. The right side of the semi-annular mounting frame 86 is fixedly connected to the limit plate 87. The left end of the outer surface of the slide 82 is fixedly connected to the slide column 89. The interior of the whole formed by the outer surface of the positioning plate 87 and the interior of the sliding mouth is slidably connected to the outer surface of the sliding column 89; the impact mechanism 8 also includes a rotating shaft 83, a fixed block 84 and a push rod 85, the rotating shaft 83 is rotatably connected to the inside of the right end of the mounting frame 81, the left end of the rotating shaft 83 is fixedly connected to the fixed block 84, and the front and rear sides of the fixed block 84 are fixedly connected to the left and right symmetrical push rods 85; the impact mechanism 8 also includes an inclined column 88 fixedly connected to the left wall of the sliding frame 82, and the right end of the inclined column 88 is located in the gap between the two push rods 85 on the front side.

[0030] Among them: it also includes a fixing frame 14, the fixing frame 14 is fixedly connected to the front end of the inner wall of the slide 82, and the front side of the fixing frame 14 is fixedly connected to a collision column 15, and the position of the collision column 15 corresponds to the position of the front fork outer pipeline frame mounting support seat 4 in front and back.

[0031] The working principle of the utility model is as follows:

[0032] When performing a strength test on the bicycle front fork outer pipe rack, the staff inserts the bicycle front fork outer pipe rack into the interior of the front fork outer pipe rack mounting support seat 4, and inserts the lower end of the bicycle front fork outer pipe rack into the interior of the avoidance opening 5;

[0033] Then, the staff controls the servo motor 9 to start through the servo controller 10, and controls the torque of the servo motor 9 through the servo controller 10 at the same time. The operation of the servo motor 9 drives the rotating shaft 83 to rotate, and the rotation of the rotating shaft 83 drives the fixed block 84 to rotate, and the rotation of the fixed block 84 drives the push rod 85 to rotate, and the push rod 85 pushes the inclined column 88, and the inclined column 88 drives the slide 82 to rotate. While the slide 82 rotates, it drives the slide column 89 to move inside the integral body composed of the outer surface of the limit plate 87 and the inner part of the slide, so that the slide 82 rotates and moves forward at the same time, and the forward movement of the slide 82 drives the fixed frame 14 to move forward, and the forward movement of the fixed frame 14 drives the impact column 15 to move forward, so that the impact column 15 contacts the outer surface of the front fork outer pipe frame, thereby the torque of the servo motor 9 can be used to drive the impact column 15 to move forward, so that the outer pipe frame of the bicycle front fork is impacted by the impact column 15, so as to test the strength of the outer pipe frame of the bicycle front fork, and different degrees of strength tests can be performed by controlling different torques of the servo motor 9;

[0034] And during the test, the staff can push the handle 12, and the handle 12 moves up and down to drive the support plate 11 to move up and down, and the support plate 11 moves up and down to drive the front fork outer pipeline frame installation support seat 4 to move up and down inside the guide slide 3, so as to perform strength tests on different positions of the same bicycle front fork outer pipeline frame, and then better test the strength of the bicycle front fork outer pipeline frame, and reduce the risk of breakage.

[0035] It is worth noting that the servo motor 9 and the servo controller 10 disclosed in the above embodiments can adopt a 130ST servo motor set.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A front fork outer pipe rack strength testing device, characterized in that: It comprises a workbench (1), a protective cover (6) and an impact mechanism (8); A left-right symmetrical sliding support frame (2) is fixedly connected to the front left side of the upper surface of the workbench (1); a guide sliding opening (3) is provided inside the sliding support frame (2); a front fork outer pipeline rack mounting support seat (4) is slidably connected inside the guide sliding opening (3); a rubber friction pad (13) is fixedly connected inside the front fork outer pipeline rack mounting support seat (4); The protective outer cover (6) is fixedly connected to the right side of the rear end of the upper surface of the workbench (1), and a fixed support frame (7) is fixedly connected to the upper surface of the protective outer cover (6); The impact mechanism (8) comprises a mounting frame (81) and a slide frame (82), wherein the mounting frame (81) is fixedly connected to the left side of the fixed support frame (7), and the slide frame (82) is slidably connected inside the mounting frame (81); The invention also includes a fixing frame (14), wherein the fixing frame (14) is fixedly connected to the front end of the inner wall of the slide frame (82), and a collision column (15) is fixedly connected to the front side of the fixing frame (14), and the position of the collision column (15) corresponds to the position of the front fork outer pipeline frame mounting support seat (4) in front and back.

2. A front fork outer pipe rack strength testing device according to claim 1, characterized in that: The impact mechanism (8) further comprises a semi-circular mounting frame (86), a limiting plate (87) and a sliding column (89); a sliding opening is provided on the left side of the mounting frame (81); a semi-circular mounting frame (86) is fixedly connected to the middle of the left end of the outer surface of the mounting frame (81); a limiting plate (87) is fixedly connected to the right side of the semi-circular mounting frame (86); a sliding column (89) is fixedly connected to the left end of the outer surface of the sliding frame (82); and the inner part of the whole formed by the outer surface of the limiting plate (87) and the inner part of the sliding opening is slidably connected to the outer surface of the sliding column (89).

3. A front fork outer pipe rack strength testing device according to claim 2, characterized in that: The impact mechanism (8) further comprises a rotating shaft (83), a fixing block (84) and a push rod (85); the rotating shaft (83) is rotatably connected to the inside of the right end of the mounting frame (81); the left end of the rotating shaft (83) is fixedly connected to the fixing block (84); and the front and rear sides of the fixing block (84) are both fixedly connected to left-right symmetrical push rods (85).

4. A front fork outer pipe rack strength testing device according to claim 3, characterized in that: The impact mechanism (8) further comprises an inclined column (88), the left wall of the slide frame (82) is fixedly connected with the inclined column (88), and the right end of the inclined column (88) is located in the gap between the two push rods (85) on the front side.

5. The front fork outer pipe rack strength testing device according to claim 1, characterized in that: A servo controller (10) is fixedly connected inside the protective outer cover (6), and an input end of the servo controller (10) is electrically connected to an external power supply.

6. A front fork outer pipe rack strength testing device according to claim 5, characterized in that: A servo motor (9) is fixedly connected to the upper surface of the fixed support frame (7); the left end of the output shaft of the servo motor (9) passes through the left side of the fixed support frame (7); the left end of the output shaft of the servo motor (9) is fixedly connected to the right end of the rotating shaft (83); and the input end of the servo motor (9) is electrically connected to the output end of the servo controller (10).

7. The front fork outer pipe rack strength testing device according to claim 1, characterized in that: The left side of the front end of the upper surface of the workbench (1) is provided with an escape opening (5), and the escape opening (5) is located below the front fork outer pipeline rack mounting support seat (4).

8. The front fork outer pipe rack strength testing device according to claim 1, characterized in that: The right end of the front fork outer pipeline rack mounting support seat (4) is fixedly connected to a support plate (11), and the right side surface of the support plate (11) is fixedly connected to a handle (12).

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