Detection tool for upper plate of automobile rear cross beam energy absorption box
By incorporating a positioning component and a buffer mechanism consisting of a linear guide rail and a movable guide seat within the detector body, the problem of rapid positioning and protection of the upper plate of the energy absorption box is solved, thereby improving detection efficiency and preventing damage.
Patent Information
- Application Number
- CN202520505406.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The upper plate of the energy-absorbing box of the rear crossbeam of the car is not easy to be quickly positioned after production and lacks a buffer protection structure, resulting in low testing efficiency and easy damage.
The instrument uses linear guide rails and movable guide seats within the main body, along with positioning components and a buffer mechanism. It achieves rapid positioning through small cylinders, rectangular blocks, and arc-shaped clamping blocks, and provides buffer protection using hydraulic buffers and buffer airbags.
It enables rapid positioning of the energy-absorbing box upper plate and protection during the testing process, improving testing efficiency and avoiding damage during testing.
Smart Images

Figure CN223827079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile accessory detection technical field especially, relates to a detection tool of automobile rear cross beam energy absorption box upper plate. BACKGROUND
[0002] Energy absorption box as part of the automobile passive safety system, can significantly improve the anti -collision ability of vehicle, the main function of energy absorption box is to absorb and disperse the impact force when the collision occurs, thereby protecting the vehicle body structure and the safety of passengers, the automobile energy absorption box is usually installed in the front and rear bumper system of automobile, and the upper plate of energy absorption box is a component of energy absorption box.
[0003] The automobile rear cross beam energy absorption box upper plate needs to be detected in size and strength after production, and the energy absorption box upper plate is not convenient for quick positioning, which affects the detection efficiency, and the energy absorption box upper plate to be detected lacks a buffer protection structure and is easy to be damaged in the detection process, and the detection tool of the automobile rear cross beam energy absorption box upper plate is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] In view of the deficiencies and defects in the prior art, the utility model provides a detection tool for the automobile rear cross beam energy absorption box upper plate to solve the technical problems that the automobile rear cross beam energy absorption box upper plate needs to be detected in size and strength after production, and the energy absorption box upper plate is not convenient for quick positioning, which affects the detection efficiency, and the energy absorption box upper plate to be detected lacks a buffer protection structure and is easy to be damaged in the detection process.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A detection tool for the automobile rear cross beam energy absorption box upper plate, comprising a detector body and an energy absorption box upper plate body, a detection cavity is arranged in the detector body, linear guides are fixedly installed on the bottom near the left and right sides of the detection cavity, movable guides matched with the linear guides are slidably connected to the linear guides, positioning assemblies are arranged on the upper ends of the movable guides on the left and right sides, the energy absorption box upper plate body is pressed against the positioning assemblies, a bearing seat is fixedly connected to the bottom of the detection cavity below the detection head of the detector body, and a buffer mechanism is arranged on the upper end of the bearing seat.
[0007] Preferably, the two linear guides are arranged on the left and right sides of the bearing seat in parallel.
[0008] Preferably, the positioning assembly comprises two fixed plates fixedly connected to the movable guide seat respectively at the upper ends of the left and right sides, small air cylinders are fixedly installed on the opposite side walls of the two fixed plates, the piston rods of the two small air cylinders respectively penetrate through the two fixed plates horizontally, rectangular blocks are fixedly connected to the opposite side walls of the piston rods of the two small air cylinders, arc-shaped clamping blocks are fixedly connected to the opposite side walls of the two rectangular blocks, and the vertical sections of the upper plate body of the energy-absorbing box are respectively inserted between the two opposite arc-shaped clamping blocks and abut against and press tightly.
[0009] Preferably, the rectangular block and the arc-shaped clamping block are integrally formed, and the rectangular block and the arc-shaped clamping block are polyurethane rubber products.
[0010] Preferably, the buffer mechanism comprises a rectangular groove arranged at the upper end of the center position of the load-bearing seat, two hydraulic buffers are fixedly installed on the bottom of the rectangular groove, a same inverted T-shaped seat is fixedly installed at the upper end of the two hydraulic buffers, the inverted T-shaped seat is in sliding abutment with the inner wall of the rectangular groove, a stress plate is fixedly installed at the upper end of the inverted T-shaped seat, and four buffer air bags are fixedly installed on the lower end of the stress plate close to the four corners and fixedly connected with the upper end of the load-bearing seat.
[0011] Preferably, the buffer air bag is a corrosion-resistant rubber product.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The vertical sections of the upper plate body of the energy-absorbing box are inserted between the two fixed plates, the small air cylinders cooperate with the rectangular blocks and the arc-shaped clamping blocks to clamp and position the upper plate body of the energy-absorbing box, the upper plate body of the energy-absorbing box is quickly positioned, and the detection efficiency is improved.
[0014] 2. The clamped and positioned upper plate body of the energy-absorbing box is moved to the load-bearing seat through the linear guide rail and the movable guide seat, the upper plate body of the energy-absorbing box is abutted and pressed against the stress plate, the stress plate compresses the buffer air bags and cooperates with the inverted T-shaped seat to compress the hydraulic buffers, and the stress plate cooperates with the buffer air bags and the hydraulic buffers to provide buffer protection for the upper plate body of the energy-absorbing box, so that damage to the upper plate body of the energy-absorbing box during detection is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a perspective view of a detection tool for an upper plate of an energy-absorbing box of an automobile rear cross beam.
[0016] Figure 2 It is a structural schematic view of a rectangular block and an arc-shaped clamping block of a detection tool for an upper plate of an energy-absorbing box of an automobile rear cross beam.
[0017] Figure 3 It is aFigure 1 A local enlarged view at the middle A.
[0018] In the figure: 1 detector body, 2 energy-absorbing box upper plate body, 3 detection cavity, 4 linear guide rail, 5 movable guide base, 6 bearing seat, 7 fixed plate, 8 small air cylinder, 9 rectangular block, 10 arc-shaped clamping block, 11 rectangular groove, 12 hydraulic buffer, 13 inverted T-shaped seat, 14 stress plate, 15 buffer air bag. DETAILED DESCRIPTION
[0019] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.
[0021] With reference to Figures 1-3 A detection tool for an energy-absorbing box upper plate of an automobile rear cross beam, comprising a detector body 1 and an energy-absorbing box upper plate body 2, the detector body 1 is provided with a detection cavity 3, linear guide rails 4 are fixedly installed on the bottom of the detection cavity 3 near the left and right sides, movable guide bases 5 matched with the linear guide rails 4 are slidably connected to the linear guide rails 4, the two linear guide rails 4 are respectively located on the left and right sides of a bearing seat 6 and are arranged in parallel, the linear guide rails 4 drive the clamped and positioned energy-absorbing box upper plate body 2 to move horizontally in cooperation with the movable guide bases 5, so as to facilitate moving the clamped and positioned energy-absorbing box upper plate body 2 out of the detection cavity 3 of the detector body 1.
[0022] The upper ends of the two movable guides 5 on the left and right sides are each provided with a positioning assembly. The positioning assembly comprises a fixed plate 7 fixedly connected to the upper end of the movable guide 5 on the left and right sides, respectively. The opposite side walls of the two fixed plates 7 are each fixedly provided with a small air cylinder 8. The piston rods of the two small air cylinders 8 are each horizontally arranged to penetrate through the two fixed plates 7. The opposite side walls of the piston rods of the two small air cylinders 8 are each fixedly connected with a rectangular block 9. The opposite side walls of the two rectangular blocks 9 are each fixedly connected with an arc-shaped clamping block 10. The two vertical sections of the upper plate body 2 of the energy absorption box are each inserted between the two opposite arc-shaped clamping blocks 10 and are pressed tightly against each other. The upper plate body 2 of the energy absorption box is placed at the upper ends of the two movable guides 5, so that the two vertical sections of the upper plate body 2 of the energy absorption box are each inserted between the two fixed plates 7. The small air cylinders 8 on the two fixed plates 7 are started to drive the two arc-shaped clamping blocks 10 to clamp and position the upper plate body 2 of the energy absorption box, so as to facilitate quick positioning of the upper plate body 2 of the energy absorption box and improve the detection efficiency. The rectangular block 9 and the arc-shaped clamping block 10 are integrally formed. The rectangular block 9 and the arc-shaped clamping block 10 are both polyurethane rubber products. The arc-shaped clamping block 10 of the polyurethane rubber product can provide buffering protection when clamping and positioning the upper plate body 2 of the energy absorption box.
[0023] The upper plate body 2 of the energy absorption box is pressed tightly against the positioning assembly. The detection cavity 3 is fixedly connected to a bearing seat 6 on the bottom of the detection head of the detection instrument body 1. The upper end of the bearing seat 6 is provided with a buffering mechanism. The buffering mechanism comprises a rectangular groove 11 arranged at the center position of the upper end of the bearing seat 6. Two hydraulic buffers 12 are fixedly installed on the bottom of the rectangular groove 11. The upper end of the two hydraulic buffers 12 is fixedly installed with the same inverted T-shaped seat 13. The inverted T-shaped seat 13 is in sliding abutment with the inner wall of the rectangular groove 11. The upper end of the inverted T-shaped seat 13 is fixedly installed with a stress plate 14. The lower end of the stress plate 14 near the four corners is fixedly installed with four buffer air bags 15. The four buffer air bags 15 are fixedly connected with the upper end of the bearing seat 6. The lower end of the horizontal section of the upper plate body 2 of the energy absorption box is pressed tightly against the upper end of the stress plate 14, so as to make the stress plate 14 compress the four buffer air bags 15 and cooperate with the inverted T-shaped seat 13 to compress the two hydraulic buffers 12 in the rectangular groove 11, so as to make the stress plate 14 cooperate with the buffer air bags 15 and the hydraulic buffers 12 to provide buffering protection for the upper plate body 2 of the energy absorption box, thereby avoiding damage to the upper plate body 2 of the energy absorption box during detection. The buffer air bags 15 are corrosion-resistant rubber products.
[0024] The utility model discloses a energy -absorbing box upper plate body 2 is positioned to two movable guide base 5's upper end, makes energy -absorbing box upper plate body 2's both sides vertical section respectively inserts between two fixed plates 7, starts small -size air cylinder 8 on two fixed plates 7 cooperation rectangular block 9 drive two arc -shaped clamping blocks 10 clamping positioning energy -absorbing box upper plate body 2, is convenient for quick positioning energy -absorbing box upper plate body 2, improves the detection efficiency, starts two linear guides 4 cooperation movable guide base 5 and moves clamping positioning energy -absorbing box upper plate body 2 to the right above bearing seat 6, and make energy -absorbing box upper plate body 2's horizontal section lower extreme and the upper end of force plate 14 are pressed tightly, thereby make force plate 14 compress four buffer air bag 15, and cooperation inverted T -shaped seat 13 compresses two hydraulic buffers 12 in rectangular groove 11, thereby make force plate 14 cooperation buffer air bag 15 and hydraulic buffer 12 provide buffer protection to energy -absorbing box upper plate body 2, avoid the damage to energy -absorbing box upper plate body 2 when detecting.
[0025] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model does not limit to this, any skilled person in the art in the utility model discloses the technical range of the utility model, according to the utility model technical scheme and the utility model concept, equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. A testing fixture for the upper plate of an energy-absorbing box in a rear crossbeam of an automobile, comprising a testing instrument body (1) and an energy-absorbing box upper plate body (2), wherein the testing instrument body (1) is provided with a testing cavity (3), characterized in that, Linear guide rails (4) are fixedly installed on the bottom of the detection chamber (3) near the left and right sides. Each of the two linear guide rails (4) is slidably connected with a matching movable guide seat (5). The upper ends of the two movable guide seats (5) on the left and right sides are provided with positioning components. The upper plate body (2) of the energy absorption box is pressed against the positioning components. A load-bearing seat (6) is fixedly connected to the bottom of the detection chamber (3) directly below the detection head of the detector body (1). A buffer mechanism is provided at the upper end of the load-bearing seat (6).
2. The inspection fixture for the upper plate of the energy-absorbing box of a rear crossbeam of an automobile according to claim 1, characterized in that, The two linear guides (4) are located on the left and right sides of the support (6) and are arranged in parallel.
3. The inspection fixture for the upper plate of the energy-absorbing box of a rear crossbeam of an automobile according to claim 1, characterized in that, The positioning assembly includes fixed plates (7) fixedly connected to the upper left and right sides of the movable guide seat (5). Small cylinders (8) are fixedly installed on the opposite side walls of the two fixed plates (7). The piston rods of the two small cylinders (8) are horizontally connected through the two fixed plates (7). Rectangular blocks (9) are fixedly connected to the opposite side walls of the piston rods of the two small cylinders (8). Arc-shaped clamping blocks (10) are fixedly connected to the opposite side walls of the two rectangular blocks (9). The vertical sections on both sides of the upper plate body (2) of the energy absorption box are respectively inserted between the two opposite arc-shaped clamping blocks (10) and pressed against each other.
4. The inspection fixture for the upper plate of the energy-absorbing box of a rear crossbeam of an automobile according to claim 3, characterized in that, The rectangular block (9) and the arc-shaped clamping block (10) are integrally formed and are both polyurethane rubber products.
5. The inspection fixture for the upper plate of the energy-absorbing box of a rear crossbeam of an automobile according to claim 1, characterized in that, The buffer mechanism includes a rectangular groove (11) located at the upper end of the center of the load-bearing seat (6). Two hydraulic buffers (12) are fixedly installed on the bottom of the rectangular groove (11). The upper ends of the two hydraulic buffers (12) are fixedly installed with the same inverted T-shaped seat (13). The inverted T-shaped seat (13) slides and abuts against the inner wall of the rectangular groove (11). A force-bearing plate (14) is fixedly installed on the upper end of the inverted T-shaped seat (13). Buffer airbags (15) are fixedly installed on the lower ends of the force-bearing plate (14) near the four corners. All four buffer airbags (15) are fixedly connected to the upper end of the load-bearing seat (6).
6. The inspection fixture for the upper plate of the energy-absorbing box of a rear crossbeam of an automobile according to claim 5, characterized in that, The buffer airbag (15) is a corrosion-resistant rubber product.