Component bending strength detection jig

Abstract

The utility model belongs to the technical field of automobile part detection, and particularly relates to a part bending strength detection jig which comprises a base, two symmetrically-arranged vertical plates are fixedly connected to the top of the base, a supporting seat is arranged between the vertical plates, the two ends of the supporting seat are fixedly connected with the vertical plates through connecting columns, and two correspondingly-arranged clamping assemblies are installed on the supporting seat. A rotary support is arranged on the outer side of the supporting seat and connected with a rotary driving assembly, a hydraulic cylinder is installed on the rotary support, a piston rod of the hydraulic cylinder is connected with a detection head, the hydraulic cylinder and the detection head are installed on the rotary support, and the hydraulic cylinder and the detection head can rotate around the automobile part through the rotary driving assembly. Therefore, forces are applied to the automobile part from different directions to simulate the actual stress of the automobile part, and the accuracy of bending strength detection data is ensured.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile part detection, and particularly relates to a part bending strength detection jig. BACKGROUND

[0002] During driving, many parts of an automobile will bear complex external forces, among which bending force is relatively common. For example, the frame of the automobile, the swing arm in the suspension system, the axle and other parts will all bear bending force during driving, turning and braking. If the bending strength of these parts is insufficient, deformation and fracture may occur, which seriously affects the safety and reliability of the automobile. Therefore, bending strength detection of automobile parts is an important link to ensure the quality and driving safety of the automobile.

[0003] The bending strength detection jig is a tool specially used for detecting the bending strength of materials or components. The bending strength refers to the ability of a material to resist bending and breaking. The existing part bending strength detection jig mainly applies force from a fixed direction to detect the bending strength. However, automobile parts are diverse, and the direction of the bending force they bear is not easy to determine. Applying force from a single direction cannot simulate the actual stress of the automobile parts, which affects the accuracy of the detection data. CONTENT OF THE INVENTION

[0004] The purpose of the present application is to overcome the shortcomings of the prior art. The part bending strength detection jig is designed by using a clamping assembly in cooperation with a hydraulic cylinder and a detection head. The jig can apply force to the automobile parts from different directions to simulate the actual stress of the automobile parts and ensure the accuracy of the bending detection data. The problem of the existing detection device, which cannot simulate the actual stress of the automobile parts due to the application of force from a single direction, thereby affecting the accuracy of the detection data, is solved.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A part bending strength detection jig comprises a base, two symmetrical vertical plates fixedly connected to the top of the base, a support seat provided between the vertical plates, the support seat being fixedly connected to the vertical plates through connecting columns at both ends, two clamping assemblies correspondingly provided on the support seat, a rotary bracket provided on the outer side of the support seat, a rotary drive assembly connected to the rotary bracket, a hydraulic cylinder mounted on the rotary bracket, and a detection head connected to the piston rod of the hydraulic cylinder.

[0007] Preferably, a limiting sliding groove is formed in the support seat, a moving plate is connected to the limiting sliding groove through a limiting sliding block, the clamping assembly is arranged on the moving plate, a positioning bolt is installed at each corner of the moving plate, and the positioning bolt is movably connected to the support seat.

[0008] Preferably, the clamping assembly comprises a support fixed on the moving plate, a lead screw is arranged in the support, the lead screw is provided with symmetrically arranged threads with opposite directions, two lead screw nuts with opposite moving directions are threadedly connected to the lead screw, and the clamping block is fixedly connected to the top of the lead screw nuts through the connecting block.

[0009] Preferably, one end of the lead screw is connected to the support through a bearing, and the other end penetrates through the support and is fixedly connected to a handle.

[0010] Preferably, a strip-shaped through groove is formed in the support at a position corresponding to the connecting block, the connecting block penetrates through the strip-shaped through groove, and an antiskid pad is arranged on the inner wall of the clamping block.

[0011] Preferably, the rotary driving assembly comprises two symmetrically arranged sleeves fixedly connected to a rotary support, the sleeves are located outside the connecting column, one of the sleeves is fixedly provided with a gear ring, the gear ring is engaged with a gear, the gear is connected to a driving motor through a motor shaft, and the driving motor is arranged on the vertical plate.

[0012] Preferably, a pressure sensor is arranged on the detection head.

[0013] Compared with the prior art, the application has the following beneficial effects:

[0014] 1. By arranging the rotary support and the rotary driving assembly, the hydraulic cylinder and the detection head are arranged on the rotary support, the hydraulic cylinder and the detection head can rotate around the automobile part through the rotary driving assembly, force can be applied to the automobile part from different directions to simulate the actual force of the automobile part, and the accuracy of the bending strength detection data is ensured.

[0015] 2. By arranging the clamping assembly, the automobile part to be detected can be clamped and fixed, the position of the clamping assembly can be moved, the position of the applied force corresponds to the position of the detection head, and different automobile parts can be clamped and detected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the application;

[0017] Figure 2 It is a structural schematic view of the connecting column position in the application;

[0018] Figure 3 It is a structural schematic view of the support seat in the application;

[0019] Figure 4 It is a structural schematic view of the rotary support and the rotary driving assembly in the application;

[0020] Figure 5 It is a structural schematic view of the clamping assembly in the application;

[0021] Figure 6 The structure of the screw rod in the application is shown in the schematic diagram.

[0022] Wherein: 1, base; 2, vertical plate; 3, support seat; 4, connecting column; 5, clamping assembly; 501, bracket; 502, screw rod; 503, screw nut; 504, connecting block; 505, clamping block; 506, handle; 507, strip-shaped through slot; 508, non-slip pad; 6, rotating bracket; 7, rotating drive assembly; 701, sleeve; 702, gear ring; 703, gear; 704, drive motor; 8, hydraulic cylinder; 9, detection head; 10, limiting sliding groove; 11, limiting sliding block; 12, moving plate; 13, positioning bolt. DETAILED DESCRIPTION

[0023] As shown in Figures 1-6 A component bending strength detection jig, comprising a base 1, the top of the base 1 is fixedly connected with two symmetrical vertical plates 2, a support seat 3 is arranged between the vertical plates 2, the two ends of the support seat 3 are fixedly connected with the vertical plates 2 through connecting columns 4, two clamping assemblies 5 are correspondingly arranged on the support seat 3, a rotating bracket 6 is arranged on the outer side of the support seat 3, the rotating bracket 6 is connected with a rotating drive assembly 7, a hydraulic cylinder 8 is installed on the rotating bracket 6, the piston rod of the hydraulic cylinder 8 is connected with a detection head 9, the hydraulic cylinder 8 and the detection head 9 are installed on the rotating bracket 6, the hydraulic cylinder 8 and the detection head 9 can rotate around the automobile component through the rotating drive assembly 7, so as to apply force to the automobile component from different directions to simulate the actual force of the automobile component and ensure the accuracy of the bending strength detection data.

[0024] As a preferred mode, a limiting sliding groove 10 is formed in the support seat 3, the limiting sliding groove 10 is connected with a moving plate 12 through a limiting sliding block 11, the clamping assembly 5 is arranged on the moving plate 12, a positioning bolt 13 is installed at the position of each corner of the moving plate 12, and the positioning bolt 13 is movably connected with the support seat 3.

[0025] As a preferred mode, the clamping assembly 5 comprises a bracket 501 fixed on the moving plate 12, a screw rod 502 is installed on the inner side of the bracket 501, the screw rod 502 is provided with symmetrically arranged threads with opposite directions, the screw rod 502 is threadedly connected with two screw nuts 503 with opposite moving directions, the screw nuts 503 are fixedly connected with clamping blocks 505 through connecting blocks 504 at the top, the automobile component to be detected is clamped and fixed, the position of the clamping assembly 5 can be moved, the position of the applied force corresponds to the position of the detection head 9, and different automobile components can be clamped and detected.

[0026] As a preferred way, one end of the lead screw 502 is connected to the support 501 through a bearing, and the other end penetrates the support 501 and is fixedly connected with the rotating handle 506, so as to rotate the lead screw 502 and clamp the automobile part.

[0027] As a preferred way, a strip-shaped through slot 507 is formed on the support 501 at a position corresponding to the connecting block 504, the connecting block 504 penetrates the strip-shaped through slot 507, and an anti-skid pad 508 is arranged on the inner wall of the clamping block 505, so as to avoid the sliding of the clamped automobile part.

[0028] As a preferred way, the rotating drive assembly 7 includes two symmetrically arranged sleeves 701 fixedly connected with the rotating support 6, the sleeves 701 are located outside the connecting column 4, one of the sleeves 701 is fixedly connected with a gear ring 702, the gear ring 702 is engaged with a gear wheel 703, the gear wheel 703 is connected with a drive motor 704 through a motor shaft, and the drive motor 704 is installed on the vertical plate 2 and can drive the rotating support 6 to rotate.

[0029] As a preferred way, the detection head 9 is installed with a pressure sensor and can transmit the force data of the automobile part during testing.

[0030] Among them, the drive motor 704 and the hydraulic cylinder 8 are prior art and will not be described again; at the same time, the application also includes a power supply, a controller, a switch and the like, which are not the main technical points of the patent and will not be described again.

[0031] Working principle and process: the automobile part is placed between the clamping blocks 505 of the clamping assembly 5, the stress position is corresponded with the position of the detection head 9, the rotating handle 506 is rotated, the lead screw 502 is rotated, the connecting block 504 and the clamping block 505 are driven to move close to each other by the lead screw nut 503, the clamping block 505 can clamp and fix the automobile part, the drive motor 704 of the rotating drive assembly 7 is started, the gear wheel 703 drives the gear ring 702 to rotate, the sleeve 701 drives the rotating support 6 to rotate, the hydraulic cylinder 8 and the detection head 9 are located at the left side or the upper side or the right side of the automobile part, and the actual stress direction of the automobile part during use is adjusted to simulate the actual stress direction of the automobile part, so as to ensure the accuracy of the bending resistance detection data of the automobile part, the hydraulic cylinder 8 is started, the detection head 9 applies force to the stress position of the automobile part, and the pressure sensor on the detection head 9 transmits the pressure data in real time to detect the bending resistance of the automobile part.

Claims

1. A component bending strength detection jig comprising a base (1), characterized in that: The base (1) top fixedly connected with two symmetrical vertical plate (2), the vertical plate (2) between the support seat (3) is provided with, the support seat (3) both ends through connecting column (4) fixedly connected with vertical plate (2), the support seat (3) is installed with two corresponding clamping assembly (5) is provided, the outer side of the support seat (3) is equipped with rotary support (6), the rotary support (6) is connected with rotary drive assembly (7), the rotary support (6) is installed with hydraulic cylinder (8), the piston rod of the hydraulic cylinder (8) is connected with detection head (9).

2. The component bending strength detection jig according to claim 1, characterized by: The limiting sliding slot (10) is connected with the moving plate (12) through the limiting sliding block (11), the clamping assembly (5) is arranged on the moving plate (12), the positioning bolt (13) is installed at the four corners of the moving plate (12), and the positioning bolt (13) is movably connected with the support seat (3).

3. The component bending strength detection fixture according to claim 2, characterized in that: The clamping assembly (5) includes a support (501) fixed on the moving plate (12), a lead screw (502) is installed on the inner side of the support (501), the lead screw (502) is provided with symmetrical threads with opposite thread directions, the lead screw (502) is threadedly connected with two lead screw nuts (503) with opposite moving directions, and the top of the lead screw nut (503) is fixedly connected with a clamping block (505) through a connecting block (504).

4. The component bending strength detection fixture according to claim 3, characterized in that: One end of the lead screw (502) is connected with the support (501) through a bearing, and the other end penetrates through the support (501) and is fixedly connected with a rotating handle (506).

5. The component bending strength detection fixture according to claim 3, characterized in that: The support (501) is provided with a strip-shaped through groove (507) corresponding to the connecting block (504), the connecting block (504) penetrates through the strip-shaped through groove (507), and the inner wall of the clamping block (505) is provided with a non-slip pad (508).

6. The component bending strength detection fixture according to claim 1, characterized in that: The rotary drive assembly (7) includes two symmetrical sleeves (701) fixedly connected with the rotary support (6), one of the sleeves (701) is fixedly connected with a gear ring (702), the gear ring (702) is engaged with a gear (703), the gear (703) is connected with a driving motor (704) through a motor shaft, and the driving motor (704) is installed on the vertical plate (2).

7. The component bending strength detection fixture according to claim 1, characterized in that: The detection head (9) is provided with a pressure sensor.

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