Automobile shock absorber cylinder barrel inner hole precision detector

Abstract

The utility model discloses an automobile shock absorber cylinder barrel inner hole precision detector which comprises a base and an installation disc arranged on the base, and the installation disc is provided with a rapid clamping mechanism used for automatically centering and positioning cylinder barrels of different specifications. The rapid clamping mechanism comprises a center positioning column, the center positioning column is arranged in the center of the mounting disc, a first electric push rod is arranged in the base, one end of a piston of the first electric push rod extends into the center positioning column, and a piston rod of the first electric push rod is provided with a center conical block; the center conical block is in matched transmission with the multiple sets of clamping assemblies, and the clamping assemblies are annularly arranged on the outer surface of the center positioning column at equal intervals. According to the automatic centering device, automatic centering can be carried out on the cylinder barrels of different specifications, one-time rapid clamping and fixing can be carried out on the cylinder barrels of different specifications, and the detection precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile shock absorber cylinder detection, and particularly relates to an inner hole precision detector for an automobile shock absorber cylinder. Background Technique

[0002] An automobile shock absorber is used to quickly attenuate the vibration of the vehicle frame and the vehicle body, improve the ride comfort and smoothness of the automobile. Generally, shock absorbers are installed on the automobile suspension system. The widely used shock absorber on automobiles is a double-acting telescopic shock absorber. Usually, before installing the shock absorber on the automobile, it is necessary to precisely detect the inner diameter of the shock absorber cylinder.

[0003] As disclosed in the utility model with the authorization announcement number CN217504746U, an inner hole precision detector for an automobile shock absorber cylinder includes a base. A support frame is fixedly installed at the end of the base. A connecting plate is slidably arranged on the support frame. A slider is slidably arranged in the connecting plate. A hydraulic cylinder is fixedly installed at the bottom end of the slider. In this solution, the movement of the threaded rod drives the connecting block to slide in the chute, and the movement of the connecting block drives the fixing part to move, so that the gap formed between the four connecting blocks gradually shrinks, thereby fixing the shock absorber cylinder. The existing solution has the following deficiencies: the above technical solution requires rotating the threaded rod in sequence. When installing the cylinder, it is impossible to position and install the cylinder at the center position of the detection point, and it is impossible to quickly clamp and fix the cylinder at one time. At the same time, it is impossible to fix the end of the cylinder during the detection process, which is likely to cause deviation during the detection process and affect the detection accuracy. For this reason, we propose an inner hole precision detector for an automobile shock absorber cylinder. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an inner hole precision detector for an automobile shock absorber cylinder to solve the problems proposed in the above background technique, that is, when installing the cylinder, it is impossible to position and install the cylinder at the center position of the detection point, it is impossible to quickly clamp and fix the cylinder at one time, and at the same time, it is impossible to fix the end of the cylinder during the detection process, which is likely to cause deviation during the detection process and affect the detection accuracy.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An inner hole precision detector for an automobile shock absorber cylinder includes a base, an upright frame arranged on the base, a cross frame arranged on the upright frame, a hydraulic cylinder arranged on the cross frame, and a mounting plate arranged on the base. A quick clamping mechanism for automatically centering and positioning cylinders of different specifications is arranged on the mounting plate;

[0006] The quick clamping mechanism includes a central positioning column, which is arranged at the center of the mounting plate. A first electric push rod is arranged in the base, and the piston end of the first electric push rod extends into the central positioning column. A central conical block is arranged on the piston rod of the first electric push rod, and the central conical block is in transmission cooperation with a plurality of clamping components. The clamping components are arranged on the outer surface of the central positioning column at equal intervals in a ring shape;

[0007] Wherein, a positioning mechanism for fixing the end of the cylinder barrel is arranged on the piston rod of the hydraulic cylinder.

[0008] Preferably, the clamping component includes an arc-shaped clamping block, which is arranged in a receiving opening. The receiving opening is arranged on the outer surface of the central positioning column. An arc-shaped wedge block is also arranged on the arc-shaped clamping block, and the arc-shaped wedge block is in contact with the central conical block. Through the transmission between the central conical block and the arc-shaped wedge block, the arc-shaped wedge block can be driven to move horizontally.

[0009] Preferably, a limit slider is also arranged on the arc-shaped clamping block. One end of the limit slider is slidably arranged in a limit chute, and the limit chute is arranged on both sides in the receiving opening, which can guide and limit the movement of the arc-shaped clamping block.

[0010] Preferably, a return spring is arranged in the limit chute. One end of the return spring is connected to the limit slider, and through the elastic force of the return spring, the limit slider can be driven to quickly return and move.

[0011] Preferably, the positioning mechanism includes an upper positioning plate, which is arranged on the piston rod of the hydraulic cylinder. A plurality of end positioning components are arranged on the upper positioning plate at equal intervals in a ring shape, which can position the upper end of the cylinder barrel.

[0012] Preferably, the end positioning component includes a mounting groove, which is arranged on the side surface of the upper positioning plate. A second electric push rod is arranged in the mounting groove, and a side fixing pad is arranged on the piston rod of the second electric push rod, which can fix the upper part of the inner wall of the cylinder barrel.

[0013] Preferably, an extension rod is arranged at the center of the upper positioning plate, and a detection head is arranged on the extension rod, which can detect the inner hole diameter of the cylinder barrel.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) The present utility model can automatically center different specifications of cylinder barrels and can quickly clamp and fix different specifications of cylinder barrels at one time, and the clamping and fixing operation is convenient.

[0016] (2) When the present utility model is detecting, it can perform secondary positioning on the ends of the cylinder barrel, prevent the cylinder barrel from shifting during the detection process, affect the detection effect, and improve the detection accuracy. Brief Description of the Drawings

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is a schematic semi-sectional structural view of the quick clamping mechanism in the present utility model;

[0019] Figure 3 is Figure 2 an enlarged structural view of part A in

[0020] Figure 4 is Figure 3 an enlarged structural view of part B in

[0021] Figure 5 is a schematic structural view of the positioning mechanism in the present utility model;

[0022] In the figure: 1. Quick clamping mechanism; 2. Positioning mechanism; 3. Hydraulic cylinder; 4. Horizontal frame; 5. Vertical frame; 6. Mounting disc; 7. Base; 8. Control box; 11. Central positioning column; 12. Central conical block; 13. First electric push rod; 14. Receiving opening; 15. Arc wedge block; 16. Arc clamping block; 17. Limit slider; 18. Limit chute; 19. Return spring; 21. Upper positioning disc; 22. Mounting groove; 23. Second electric push rod; 24. Side fixing pad; 25. Extension rod; 26. Detection head. Detailed Description of the Preferred Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-4 , the present utility model provides a technical solution: an inner hole precision detector for an automobile shock absorber cylinder, including a base 7, a vertical frame 5 arranged on the base 7, a horizontal frame 4 arranged on the vertical frame 5, a hydraulic cylinder 3 arranged on the horizontal frame 4, and a mounting disc 6 arranged on the base 7. A quick clamping mechanism 1 for automatically centering and positioning cylinders of different specifications is arranged on the mounting disc 6;

[0026] The quick clamping mechanism 1 includes a central positioning column 11. The central positioning column 11 is arranged at the central position of the mounting disc 6. A first electric push rod 13 is arranged in the base 7. The piston end of the first electric push rod 13 extends into the central positioning column 11. A central tapered block 12 is arranged on the piston rod of the first electric push rod 13. The central tapered block 12 is in transmission cooperation with three or four clamping assemblies. The three or four clamping assemblies are arranged equidistantly in a ring on the outer surface of the central positioning column 11. The clamping assembly includes an arc-shaped clamping block 16. The arc-shaped clamping block 16 is arranged in the receiving opening 14. The receiving opening 14 is arranged on the outer surface of the central positioning column 11. An arc-shaped wedge block 15 is also arranged on the arc-shaped clamping block 16. The arc-shaped wedge block 15 is in contact with the central tapered block 12. Through the transmission between the central tapered block 12 and the arc-shaped wedge block 15, the arc-shaped wedge block 15 can be driven to move horizontally.

[0027] First, align the central hole of the cylinder barrel with the central positioning column 11. Then place the cylinder sleeve on the mounting disc 6. Next, drive the central tapered block 12 to move upward through the first electric push rod 13. When the central tapered block 12 is in contact with the arc-shaped wedge block 15, as the central tapered block 12 moves, the arc-shaped wedge block 15 can be driven to move. The arc-shaped wedge block 15 drives the arc-shaped clamping block 16 to move. With the synchronous movement of the three or four arc-shaped clamping blocks 16, the arc-shaped clamping blocks 16 are simultaneously in contact with the inner wall of the cylinder barrel, and the cylinder barrel is automatically centered and fixed on the mounting disc 6, realizing the quick centering and clamping operation of the cylinder barrel.

[0028] Furthermore, a limit sliding block 17 is also arranged on the arc-shaped clamping block 16. One end of the limit sliding block 17 is slidably arranged in the limit sliding groove 18. The limit sliding groove 18 is arranged on both sides inside the receiving opening 14. The movement of the arc-shaped clamping block 16 drives the limit sliding block 17 to move in the limit sliding groove 18, which can guide and limit the movement of the arc-shaped clamping block 16.

[0029] Furthermore, a return spring 19 is arranged in the limit sliding groove 18. One end of the return spring 19 is connected to the limit sliding block 17. When the limit sliding block 17 is moving, the limit sliding block 17 stretches the return spring 19. When the central tapered block 12 descends, through the elastic force of the return spring 19, the limit sliding block 17 can be driven to quickly reset and move, and drive the arc-shaped clamping block 16 to be automatically received into the receiving opening 14.

[0030] Embodiment 2

[0031] Please refer to Figure 5, a positioning mechanism 2 for fixing the end of the cylinder barrel is arranged on the piston rod of the hydraulic cylinder 3. The positioning mechanism 2 includes an upper positioning disc 21. The positioning disc is arranged on the piston rod of the hydraulic cylinder 3. A plurality of end positioning components are arranged on the upper positioning disc 21 at equal intervals in a ring shape, which can position the upper end of the cylinder barrel. The end positioning component includes an installation groove 22. The installation groove 22 is arranged on the side surface of the upper positioning disc 21. A second electric push rod 23 is arranged in the installation groove 22. A side fixing pad 24 is arranged on the piston rod of the second electric push rod 23, which can fix the upper part of the inner wall of the cylinder barrel.

[0032] Furthermore, an extension rod 25 is arranged at the center of the upper positioning disc 21, and a detection head 26 is arranged on the extension rod 25. In this application, the detection head 26 can be an infrared distance measuring detector, which can detect the inner hole diameter of the cylinder barrel.

[0033] The hydraulic cylinder 3, the first electric push rod 13, the second electric push rod 23 and the detection head 26 in this application are all connected to the corresponding control switches on the control box 8. The control box 8 is arranged on the base 7, which is convenient for the user to control the corresponding driving components.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile shock absorber cylinder bore precision detector, comprising a base (7), a vertical frame (5) arranged on the base (7), a horizontal frame (4) arranged on the vertical frame (5), a hydraulic cylinder (3) arranged on the horizontal frame (4), and a mounting plate (6) arranged on the base (7), characterized in that: The mounting plate (6) is provided with a quick clamping mechanism (1) for automatically centering and positioning cylinder barrels of different specifications; The quick clamping mechanism (1) comprises a central positioning column (11), the central positioning column (11) is arranged at the center position of the mounting plate (6), a first electric push rod (13) is arranged in the base (7), one end of the piston of the first electric push rod (13) extends into the central positioning column (11), a central conical block (12) is arranged on the piston rod of the first electric push rod (13), the central conical block (12) cooperates with a plurality of clamping components for transmission, and the clamping components are arranged in an annular shape and equidistantly on the outer surface of the central positioning column (11); Wherein, a positioning mechanism (2) for fixing the end of the cylinder barrel is arranged on the piston rod of the hydraulic cylinder (3).

2. The automobile shock absorber cylinder bore precision detector according to claim 1, characterized in that: The clamping assembly comprises an arc-shaped clamping block (16), wherein the arc-shaped clamping block (16) is arranged in a receiving opening (14), wherein the receiving opening (14) is arranged on the outer surface of the central positioning column (11), and an arc-shaped wedge block (15) is also arranged on the arc-shaped clamping block (16), wherein the arc-shaped wedge block (15) is fitted with the central conical block (12).

3. The automobile shock absorber cylinder bore precision detector according to claim 2, characterized in that: A limiting slide block (17) is also provided on the arc-shaped clamping block (16), one end of which is slidably disposed in a limiting slide groove (18), and the limiting slide grooves (18) are disposed on both sides of the receiving opening (14).

4. The automobile shock absorber cylinder bore precision detector according to claim 3, characterized in that: A return spring (19) is arranged in the limit sliding groove (18), and one end of the return spring (19) is connected to the limit sliding block (17).

5. The automobile shock absorber cylinder bore precision detector according to claim 1, characterized in that: The positioning mechanism (2) comprises an upper positioning plate (21), the positioning plate being arranged on the piston rod of the hydraulic cylinder (3), and a plurality of groups of end positioning components being arranged in an annular shape and at equal intervals on the upper positioning plate (21).

6. The automobile shock absorber cylinder bore precision detector according to claim 5, characterized in that: The end positioning assembly comprises a mounting groove (22), the mounting groove (22) being arranged on the side of the upper positioning plate (21), a second electric push rod (23) being arranged in the mounting groove (22), and a side fixing pad (24) being arranged on the piston rod of the second electric push rod (23).

7. The automobile shock absorber cylinder bore precision detector according to claim 6, characterized in that: An extension rod (25) is arranged at the center of the upper positioning plate (21), and a detection head (26) is arranged on the extension rod (25).

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