Device for detecting compressive strength of automobile bumper

By employing a positioning and clamping structure in the automotive bumper compressive strength testing device, the problem of the bumper bouncing and detaching during impact is solved, achieving stable testing and improving the accuracy and efficiency of the test.

CN223513067UActive Publication Date: 2025-11-04YUCHI NEW ENERGY TECHNOLOGY (HEBEI XIONGAN) CO LTD
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Patent Information

Application Number
CN202422600274.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-04
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

During use, existing pressure testing devices often cause car bumpers to bounce out of the testing area upon impact, requiring repeated adjustments to the testing process.

Method used

A device for testing the compressive strength of an automobile bumper was designed. It uses positioning structures on both sides of the worktable and clamping structures at both ends to position the bumper in the center of the impact area and fix its two ends with clamping components. The device applies stable impact pressure using damping grooves and a hydraulic system.

Benefits of technology

This design ensures that the bumper is stable and does not bounce easily upon impact, simplifying the inspection process and improving the accuracy and efficiency of inspections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of detection devices, in particular to an automobile bumper compressive strength detection device which comprises a workbench, a pressurizing assembly, a positioning assembly and a clamp assembly. A pressing assembly used for pressing a bumper is arranged above the workbench, four sets of damping sliding grooves are formed in the surface of the workbench, the four sets of damping sliding grooves are symmetrically formed along the two sides of the workbench at intervals, and two sets of positioning assemblies used for positioning the bumper are erected above the four sets of damping sliding grooves correspondingly. The two ends of the workbench are each provided with two clamp fixing grooves, and the two clamp fixing grooves are each internally provided with two clamp assemblies used for fixing a bumper. The bumper is positioned in the center below the pressurizing assembly by pushing the two positioning assemblies to slide oppositely along the damping sliding grooves, the pressurizing assembly can apply impact pressure to the bumper, the two ends of the bumper are fixed through the two clamp assemblies, the bumper cannot bounce when being impacted, and the bumper is prevented from being damaged. The compressive strength of the bumper can be conveniently detected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection device field, especially involve the automobile bumper compression strength detection device. BACKGROUND

[0002] The automobile bumper is the safety device installed in the front and rear of the vehicle, and its main function is to absorb and mitigate the impact force from the outside to protect the front and rear of the vehicle from collision damage. Since the automobile bumper is usually the main body of the collision, the automobile bumper needs to be subjected to pressure for detection when it is shipped.

[0003] The existing compression detection device is usually fixed with a one-way clamp during use, so that the automobile bumper is easy to bounce out of the detection area when it is subjected to pressure impact due to the elasticity of the bumper material itself. Therefore, it needs to be repeatedly adjusted and detected.

[0004] Therefore, in order to solve the above problems, a kind of automobile bumper compression strength detection device can be designed, which positions the automobile bumper in the center of the impact area by installing two sets of positioning structures on both sides of the workbench, and clamps and fixes the two ends of the automobile bumper by installing two sets of clamping structures on both ends of the workbench. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the existing compression detection device is usually fixed with a one-way clamp during use, so that the automobile bumper is easy to bounce out of the detection area when it is subjected to pressure impact due to the elasticity of the bumper material itself. Therefore, it needs to be repeatedly adjusted and detected.

[0006] The technical scheme of the utility model is: the automobile bumper compression strength detection device, including workbench, pressurizing assembly, positioning assembly and clamp assembly, the upper portion of workbench is equipped with the pressurizing assembly for the bumper, and the pressurizing assembly includes pressurizing table and pressure hammer, the surface of workbench is provided with four sets of damping sliding grooves, four sets of damping sliding grooves are symmetrically arranged along both sides of workbench, two sets of positioning assemblies for positioning bumper are respectively arranged above four sets of damping sliding grooves, two sets of clamp fixing grooves are respectively arranged at both ends of workbench, two sets of clamp fixing grooves are respectively provided with two sets of clamp assemblies for fixing bumper, and the clamp assembly includes driving frame and arc-shaped clamping plate.

[0007] As preferred, two groups of support grooves are respectively arranged on the two sides of the positioning table, four groups of support rods are arranged in the two groups of support grooves, the four groups of support rods are evenly distributed at the two ends of the two groups of support grooves, the lower ends of the four groups of support rods are provided with connecting blocks, the lower ends of the connecting blocks extend to the bottom of the support grooves, two groups of reinforcing rods are arranged between the four groups of support rods, the upper ends of the four groups of support rods are symmetrically provided with two groups of sliding rails, and the surfaces of the two groups of sliding rails are provided with moving sliding grooves.

[0008] As preferred, two groups of moving sliding blocks are respectively arranged below the two ends of the pressing table, the moving sliding blocks are arranged in the moving sliding grooves, the pressing table slides along the moving sliding grooves through the moving sliding blocks, three groups of hydraulic rods are linearly arranged at the lower end of the pressing table, three groups of hydraulic cylinders are arranged in the three groups of hydraulic rods, the three groups of hydraulic cylinders are located at the upper end of the pressing table, and the upper ends of the three groups of hydraulic rods are connected with the three groups of hydraulic cylinders through the pressing table.

[0009] As preferred, connecting beams are arranged at the lower ends of the three groups of hydraulic rods, a push rod is arranged at the lower end of the connecting beam, and the pressure hammer is arranged at the lower end of the push rod.

[0010] As preferred, the driving frame is arranged in the clamp fixing groove, a driving power supply is arranged in the driving frame, two groups of drivers are respectively arranged at the outer sides of the two ends of the driving frame, the drivers are connected with the driving power supply through wires, two groups of lifting rods are respectively arranged at the front ends of the two groups of drivers, and arc-shaped clamping plates are arranged at the upper ends of the two groups of lifting rods.

[0011] As preferred, rubber buffer strips are arranged on the inner sides of the arc-shaped clamping plates, and a plurality of rubber buffer strips are linearly arranged on the inner sides of the arc-shaped clamping plates.

[0012] As preferred, the positioning assembly comprises a positioning push plate and a push handle, two groups of push blocks are symmetrically arranged at the lower end of the positioning push plate, two groups of damping sliding blocks are respectively arranged at the lower ends of the two groups of push blocks, the lower ends of the two groups of damping sliding blocks extend into the damping sliding groove, and the rear end of the positioning push plate is provided with the push handle.

[0013] The beneficial effects of the utility model are as follows: through the combination of the clamp assembly and the positioning assembly, compared with the detection device on the market, the bumper is easy to bounce out of the detection area when impacting, the bumper is positioned below the center of the pressing assembly by pushing the two groups of positioning assemblies to slide along the damping sliding groove, the pressing assembly can exert impact pressure on the bumper, and the two ends of the bumper are fixed by the two groups of clamp assemblies, so that the bumper does not bounce when impacting, and the compression strength of the bumper is convenient to detect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The overall structure of the detection device of the utility model is shown.

[0015] Fig. 2The working table structure schematic view of the detection device is shown.

[0016] Fig. 3 The slide rail structure schematic view of the detection device is shown.

[0017] Fig. 4 The pressurizing assembly structure schematic view of the detection device is shown.

[0018] Fig. 5 The clamp assembly structure schematic view of the detection device is shown.

[0019] Fig. 6 The positioning assembly structure schematic view of the detection device is shown.

[0020] The figure mark explanation: 1, working table; 2, support groove; 3, support rod; 4, pressurizing assembly; 401, pressurizing table; 402, moving sliding block; 403, hydraulic cylinder; 404, hydraulic rod; 405, connecting beam; 406, push rod; 407, pressure hammer; 5, clamp assembly; 501, drive frame; 502, drive power supply; 503, driver; 504, lifting rod; 505, arc-shaped clamp plate; 506, rubber buffer strip; 6, positioning assembly; 601, push block; 602, damping sliding block; 603, positioning push plate; 604, push handle; 7, clamp fixing groove; 8, damping sliding groove; 9, connecting block; 10, reinforcing rod; 11, slide rail; 12, moving sliding groove. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figs. 1-6 The utility model provides a kind of example: automobile bumper compression strength detection device, including working table 1, pressurizing assembly 4, positioning assembly 6 and clamp assembly 5;The upper portion of working table 1 is equipped with the pressurizing assembly 4 for bumper pressurization, and pressurizing assembly 4 includes pressurizing table 401 and pressure hammer 407, the surface of working table 1 is opened with four groups of damping sliding grooves 8, four groups of damping sliding grooves 8 are symmetrically arranged along the two sides of working table 1, and the upper portion of four groups of damping sliding grooves 8 is respectively erected with two groups of positioning assembly 6 for bumper positioning, and the two ends of working table 1 are respectively opened with two groups of clamp fixing grooves 7, and the inner portion of two groups of clamp fixing grooves 7 is respectively equipped with two groups of clamp assembly 5 for fixing bumper, and clamp assembly 5 includes drive frame 501 and arc-shaped clamp plate 505.

[0023] Please refer to Figs. 1-3In the embodiment, two groups of support grooves 2 are arranged on the two sides of the positioning table, four groups of support rods 3 are arranged in the two groups of support grooves 2, the four groups of support rods 3 are arranged at the two ends of the two groups of support grooves 2, the lower ends of the four groups of support rods 3 are provided with connecting blocks 9, the lower ends of the connecting blocks 9 extend to the bottom of the support grooves 2, two groups of reinforcing rods 10 are arranged between the four groups of support rods 3, the upper ends of the four groups of support rods 3 are symmetrically provided with two groups of sliding rails 11, the surfaces of the two groups of sliding rails 11 are provided with moving sliding grooves 12, the support rods 3, the sliding rails 11 and the moving sliding grooves 12 are combined, so that the pressing assembly 4 can be fixed above the positioning table, and the moving sliding blocks 402 are moved along the moving sliding grooves 12, so that the pressing assembly 4 can exert impact pressure on each part of the bumper, which is convenient for comprehensive detection of the pressure strength of the bumper, two groups of moving sliding blocks 402 are arranged below the two ends of the pressing table 401, the moving sliding blocks 402 and the moving sliding grooves 12 are matched with each other, the pressing table 401 moves along the moving sliding grooves 12 through the moving sliding blocks 402, three groups of hydraulic cylinders 403 are arranged at the lower end of the pressing table 401 in a linear manner, three groups of hydraulic rods 404 are matched with the three groups of hydraulic cylinders 403, the three groups of hydraulic cylinders 403 are located at the upper end of the pressing table 401, the upper ends of the three groups of hydraulic rods 404 pass through the pressing table 401 and are connected with the three groups of hydraulic cylinders 403, the three groups of hydraulic cylinders 403 and the three groups of hydraulic rods 404 are combined, so that the working load can be effectively dispersed when the impact pressure is exerted on the bumper, and more stable and balanced operation is realized, the balance is helpful to reduce the vibration and noise of the machine in the working process, improve the stability of the overall operation, the lower ends of the three groups of hydraulic rods 404 are provided with a connecting beam 405, a push rod 406 is arranged at the lower end of the connecting beam 405, a pressure hammer 407 is arranged at the lower end of the push rod 406, the push rod 406 and the pressure hammer 407 are combined, so that the three groups of hydraulic cylinders 403 can drive the three groups of hydraulic rods 404 to stretch when the impact pressure is exerted, so as to drive the connecting beam 405 to drive the push rod 406 and the pressure hammer 407 to impact the bumper.

[0024] Please refer to Figs. 4-6In the embodiment, the driving frame 501 is located inside the clamp fixing groove 7, the inside of the driving frame 501 is provided with a driving power supply 502, the two ends of the driving frame 501 are respectively provided with two groups of drivers 503, the drivers 503 are connected with the driving power supply 502 through wires, the front ends of the two groups of drivers 503 are respectively provided with two groups of lifting rods 504, the upper ends of the two groups of lifting rods 504 are provided with arc-shaped clamping plates 505, the two groups of lifting rods 504 and the arc-shaped clamping plates 505 are combined, when the bumper is detected, the driving power supply 502 can control the drivers 503 to drive the lifting rods 504 to descend, so that the lifting rods 504 drive the arc-shaped clamping plates 505 to descend, so that the arc-shaped clamping plates 505 press the two ends of the bumper, and the bumper can be firmly fixed on the workbench 1, the inside of the arc-shaped clamping plate 505 is provided with rubber buffer strips 506, the rubber buffer strips 506 are provided in multiple groups, the multiple groups of rubber buffer strips 506 are linearly arranged along the inside of the arc-shaped clamping plate 505, the multiple groups of rubber buffer strips 506 are combined, so that when the bumper is clamped and fixed, the clamp and the bumper can be buffered through the multiple groups of rubber buffer strips 506, rigid collision is avoided, and damage to the detection device is avoided, the positioning assembly 6 comprises a positioning push plate 603 and a push handle 604, the lower end of the positioning push plate 603 is symmetrically provided with two groups of push blocks 601, the lower ends of the two groups of push blocks 601 are respectively provided with two groups of damping sliding blocks 602, the lower ends of the two groups of damping sliding blocks 602 extend into the damping sliding groove 8, and the rear end of the positioning push plate 603 is provided with the push handle 604. The damping sliding groove 8 and the damping sliding block 602 are combined, so that the worker can push the push handle 604, so that the positioning push plate 603 can slide and position along the damping sliding groove 8 through the damping sliding block 602.

[0025] When working, the worker first places the bumper on the workbench 1, and then pushes the push handle 604, so that the positioning push plate 603 can slide along the damping sliding groove 8 through the damping sliding block 602, and the positioning push plates 603 of the two groups of positioning assemblies 6 are positioned on the two sides of the bumper.

[0026] The driving power supply 502 controls the drivers 503 to drive the lifting rods 504 to descend, so that the lifting rods 504 drive the arc-shaped clamping plates 505 to descend, so that the arc-shaped clamping plates 505 press the two ends of the bumper, and the bumper can be firmly fixed on the workbench 1.

[0027] When the impact pressure is applied, the three groups of hydraulic cylinders 403 can drive the three groups of hydraulic rods 404 to extend, so as to drive the connecting beam 405 to drive the push rod 406 and the pressure hammer 407 to impact the bumper.

[0028] Through the above steps, by combining the clamp assembly 5 with the positioning assembly 6, compared with the detection device on the market, the bumper is easy to bounce off the detection area when impacting, and the application pushes two sets of positioning assemblies 6 to slide along the damping sliding groove 8, thereby positioning the bumper below the center of the pressing assembly 4, so that the pressing assembly 4 can exert impact pressure on the bumper, and the two ends of the bumper are fixed by the two sets of clamp assemblies 5, so that the bumper will not bounce when impacted, and the bumper is convenient for detecting the compression strength.

Claims

1. A device for testing the compressive strength of an automobile bumper, comprising a worktable (1); characterized in that: It also includes a pressurizing component (4), a positioning component (6) and a clamping component (5); a pressurizing component (4) for pressurizing the bumper is provided above the workbench (1). The pressurizing component (4) includes a pressurizing table (401) and a pressure hammer (407). Four sets of damping grooves (8) are provided on the surface of the workbench (1). The four sets of damping grooves (8) are symmetrically arranged at intervals along both sides of the workbench (1). Two sets of positioning components (6) for positioning the bumper are respectively mounted above the four sets of damping grooves (8). Two sets of clamp fixing slots (7) are respectively provided at both ends of the workbench (1). Two sets of clamping components (5) for fixing the bumper are respectively provided inside the two sets of clamp fixing slots (7). The clamping component (5) includes a drive frame (501) and an arc-shaped clamping plate (505).

2. The automobile bumper compressive strength testing device according to claim 1, characterized in that: Two sets of support grooves (2) are provided on both sides of the positioning platform. Four sets of support rods (3) are provided inside the two sets of support grooves (2). The four sets of support rods (3) are evenly distributed at both ends of the two sets of support grooves (2). A connecting block (9) is provided at the lower end of each of the four sets of support rods (3). The lower end of the connecting block (9) extends to the bottom of the support groove (2). Two sets of reinforcing rods (10) are provided between the four sets of support rods (3). Two sets of slide rails (11) are symmetrically mounted on the upper end of the four sets of support rods (3). The surfaces of the two sets of slide rails (11) are provided with moving slide grooves (12).

3. The automobile bumper compressive strength testing device according to claim 2, characterized in that: Two sets of movable sliders (402) are respectively provided at the lower ends of the pressure table (401). The movable sliders (402) are matched with the movable slide (12). The pressure table (401) slides along the movable slide (12) through the movable sliders (402). Three sets of hydraulic rods (404) are linearly provided at the lower end of the pressure table (401). Three sets of hydraulic cylinders (403) are matched with the three sets of hydraulic rods (404). The three sets of hydraulic cylinders (403) are located at the upper end of the pressure table (401). The upper ends of the three sets of hydraulic rods (404) pass through the pressure table (401) and are connected to the three sets of hydraulic cylinders (403).

4. The automobile bumper compressive strength testing device according to claim 3, characterized in that: The lower ends of the three sets of hydraulic rods (404) are supported by a connecting beam (405), and a push rod (406) is provided at the center of the lower end of the connecting beam (405). The pressure hammer (407) is located at the lower end of the push rod (406).

5. The automobile bumper compressive strength testing device according to claim 1, characterized in that: The drive frame (501) is located inside the fixture fixing slot (7). The drive frame (501) is equipped with a drive power supply (502). Two sets of drivers (503) are respectively provided on the outer sides of both ends of the drive frame (501). The drivers (503) are connected to the drive power supply (502) by wires. Two sets of lifting rods (504) are respectively provided at the front ends of the two sets of drivers (503). Arc-shaped clamps (505) are mounted on the upper ends of the two sets of lifting rods (504).

6. The automobile bumper compressive strength testing device according to claim 5, characterized in that: The inner side of the arc-shaped clamp (505) is provided with a rubber buffer strip (506), and there are multiple sets of rubber buffer strips (506), which are linearly arranged along the inner side of the arc-shaped clamp (505).

7. The automobile bumper compressive strength testing device according to claim 1, characterized in that: The positioning component (6) includes a positioning push plate (603) and a push handle (604). The lower end of the positioning push plate (603) is symmetrically provided with two sets of push blocks (601). The lower ends of the two sets of push blocks (601) are respectively provided with two sets of damping sliders (602). The lower ends of the two sets of damping sliders (602) extend into the interior of the damping groove (8). The rear end of the positioning push plate (603) is provided with a push handle (604).