Device and method for detecting bending performance of automobile steering gear box
The bending position is adjusted by the main screw and the secondary screw, and combined with the defect camera and infrared imaging machine for a comprehensive evaluation, the problems of low accuracy, poor adaptability, insufficient safety and low efficiency of traditional detection devices are solved, achieving high-precision, safe and efficient detection effects.
Patent Information
- Application Number
- CN202510654267.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2025-08-08
AI Technical Summary
The bending performance detection device of traditional automotive direction machines has problems such as low testing accuracy, poor adaptability, incomplete detection, insufficient safety and low efficiency.
The main screw and secondary screw are used to adjust the bending position, combined with a defect camera and an infrared imager for comprehensive evaluation, equipped with a protective unit to prevent debris from splashing, and automatically record data.
Improve detection accuracy and adaptability, ensure safety, and improve detection efficiency and automation.
Smart Images
Figure CN120445798A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of bending performance detection devices, and in particular to a device and method for detecting the bending performance of an automobile steering gear. Background Art
[0002] In the automotive manufacturing field, the steering gear is a core component that affects vehicle handling safety. Its bending performance directly determines the reliability and durability of the steering system. Traditional testing methods mainly rely on manual pressure or simple mechanical devices to perform bending tests. Traditional testing devices have the following problems: low test accuracy: manual pressure makes it difficult to ensure uniform load, which can easily lead to test data deviation; poor adaptability: fixed fixtures cannot adapt to different models of steering gears, and replacing the testing mold is time-consuming; incomplete detection: only macroscopic deformation can be evaluated, and microscopic cracks or local stress concentration cannot be monitored in real time; insufficient safety: lack of protection during high-voltage testing, fracture and splashing may injure operators; low efficiency: reliance on manual data recording, low degree of automation, affecting batch testing efficiency. Therefore, an automated, high-precision, multi-functional integrated testing device is urgently needed. To this end, we propose a device and method for detecting the bending performance of automobile steering gears. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a device and method for detecting the bending performance of an automobile steering gear. The main screw and the auxiliary screw are used to adjust the bending position and the placement of the automobile steering gear according to different detection requirements to meet different usage conditions. The defect camera is set to capture surface cracks, the infrared imaging machine monitors the temperature changes during bending, and the fatigue properties of the material are comprehensively evaluated, which can effectively solve the problems in the background technology.
[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: a device for detecting the bending performance of an automobile steering gear, comprising a workbench and an adjustment slot; Workbench: A frame is provided on the top surface, and hydraulic rods are fixed on both sides of the top surface of the frame. The bottom end of the hydraulic rod is connected to one side of the top surface of the bracket. There are two adjustment slots, which are respectively opened on both sides of the top surface of the workbench. A placement seat is slidably installed inside the adjustment slot, and a roller is fixed inside the placement seat. An adjustment unit is provided inside the bracket, and a mounting seat is fixed inside the adjustment unit. A slot is provided on the bottom surface of the mounting seat, and the slot on the bottom surface of the mounting seat is correspondingly plugged into an insert block. A bending head is provided at the bottom end of the insert block. A detection unit is provided on the top surface of the workbench, and a protective unit is provided on the surface of the frame. Wherein, it also includes a controller, which is arranged on the top surface of the workbench, the input end of the hydraulic rod is electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.
[0005] The slots on the bottom of the mounting seat are connected to the plug blocks to facilitate the installation of bending heads of appropriate specifications according to different testing conditions. The sliding placement seat is convenient for placing both ends of the car steering gear. The hydraulic rod is started to drive the bending head to perform bending performance testing on the car steering gear.
[0006] Furthermore, the adjusting unit includes a fixed column, a main screw, a T-slot, a T-block, a main motor, a motor slot, a secondary screw and a secondary motor, the motor slot is opened on the right side of the interior of the frame, the T-slot is opened on the left side of the interior of the frame, the main screw is rotatably installed inside the bracket, the main motor is fixed on the right side of the bracket, the output shaft of the main motor is connected to the right end of the main screw, the main motor slides inside the electrode slot, the T-block is fixed on the left side of the bracket, the T-block is slidably installed with the T-slot, the fixed column is slidably installed inside the bracket, the screw hole on the surface of the fixed column is threadedly connected to the main screw, The bottom end of the fixed column is connected to the top surface of the mounting seat, the auxiliary lead screw is rotatably installed inside the adjusting slot, the auxiliary motor is fixed on the side of the workbench, the output shaft of the auxiliary motor is connected to the end of the auxiliary lead screw, and the auxiliary lead screw is threadedly connected to the screw hole on the surface of the placement seat, the input ends of the main motor and the auxiliary motor are electrically connected to the output end of the controller, and the main motor is started to drive the main lead screw to rotate to adjust the position of the fixed column, so that bending detection can be performed on different positions of the car steering gear, and the auxiliary motor drives the auxiliary lead screw to rotate to adjust the position of the two placement seats, so that car steering gears of different sizes can be placed to improve the practicality of the detection device.
[0007] Furthermore, the adjusting unit also includes a bracket, a rubber pad, a limit clamp, a two-way screw and an adjusting motor, the two-way screw is rotatably installed inside the placement seat, the adjusting motor is fixed to the front side of the placement seat, the output shaft of the adjusting motor is connected to the front side end of the two-way screw, the threads at both ends of the two-way screw are opposite, the limit clamp has two screw holes on the surface and are respectively threadedly connected to the two ends of the two-way screw, the sliding hole on the surface of the limit clamp is slidably connected to the outer side of the roller, and the outer side of the rubber pad is fixed with a bracket, and the bracket is correspondingly engaged with the slot on the surface of the limit clamp, the input end of the adjusting motor is electrically connected to the output end of the controller, and the adjusting motor is started to drive the two-way screw to rotate to adjust the position of the two limit clamps, and the rubber pad installed in conjunction with the bracket can adapt to car steering machines of different diameters while avoiding clamping the surface.
[0008] Furthermore, the adjustment unit also includes a spring, a limit strip, a locking rod and a pull plate. The spring is fixed to the front side of the mounting seat, and the front end of the spring is connected to the rear side of the pull plate. Both sides of the inside of the pull plate are fixed with limit strips that are plugged into the limit grooves on the side of the mounting seat. A locking rod is fixed to the middle of the rear side of the pull plate. The locking rod passes through the through hole on the surface of the mounting seat and is plugged into the locking groove on the surface of the plug block. The spring contracts and stretches to make the locking rod cooperate with the locking groove on the surface of the plug block. This makes it convenient for personnel to quickly replace different bending heads to improve the practicality of the detection device.
[0009] Furthermore, the adjustment unit also includes an anti-slip plate and a handle. The anti-slip plate is slidably plugged into the plate grooves on the top surfaces of the two limiting splints. The top surface of the anti-slip plate is installed with a handle. The installed anti-slip plate can prevent the problem of slipping out during the bending detection of the automobile steering gear.
[0010] Furthermore, the detection unit includes a slide bar, a cover plate, a defect camera, an infrared imager, a machine base, a support frame and a main linear motor. The main linear motor is fixed on the front side of the top surface of the workbench. The top surface of the main linear motor mover seat is provided with a support frame. Machine bases are fixed on both sides of the top surface of the support frame. Infrared imaging machines and defect cameras are placed inside the two machine bases from left to right. Slide bars are installed on both sides of the bottom surface of the cover plate. The slide bars are slidably connected to the slide grooves on the top surface of the support frame. The input ends of the defect camera, infrared imager and main linear motor are electrically connected to the output end of the controller. The lifting cover plate facilitates the installation of the defect camera and infrared imager. The installed defect camera takes pictures of the surface of the car steering gear to identify cracks or deformations, and the infrared imager detects temperature anomalies during the bending process.
[0011] Furthermore, the protective unit includes a transparent window, a protective shell, a secondary linear motor, a connecting frame and a lighting lamp. There are two secondary linear motors and they are respectively fixed on the left and right sides of the frame. A connecting frame is provided on the surface of the secondary linear motor mover seat, and the two ends are respectively connected to the sides of the two corresponding front and rear protective shells. A transparent window is installed on the surface of the protective shell, and lighting lamps are provided on the left and right sides inside the protective shell. The input ends of the secondary linear motor and the lighting lamp are electrically connected to the output end of the controller. The secondary linear motor is started to adjust the height of the protective shell. This can prevent the safety problems caused by the splashing of fragments due to the breakage of the car steering gear during bending, and personnel can view the detection process through the transparent window and the lighting lamp.
[0012] Furthermore, it also includes an information rack, a partition plate and an accessory box. There are two accessory boxes and they are respectively installed in the grooves on the front and rear sides of the workbench. The partition plate is inserted into the plate groove inside the accessory box. The information rack is fixed on the left side of the partition plate. The accessory box and the partition plate classify and store the inspection molds, and the information rack records parameters to improve process standardization.
[0013] Furthermore, it also includes an alarm light, which has two alarm lights and is fixed on both sides of the top surface of the frame respectively. The input end of the alarm light is electrically connected to the output end of the controller. The alarm light can flash and alarm in time when a problem occurs in the car steering gear detection, so as to facilitate personnel to make adjustments.
[0014] The method for using the vehicle steering gear bending performance detection device comprises the following steps: 1): Insert the insert into the slot at the bottom of the mounting base, push the locking rod through the pull plate to insert the insert locking slot to fix it, the spring provides the locking force to complete the installation of the press elbow, and place the steering gear of the car to be tested on the rollers on both sides, start the adjustment motor to drive the bidirectional screw, so that the limit clamps on both sides synchronously clamp the two ends of the steering gear of the car, and the rubber pads installed on the bracket enhance the anti-slip property, thus completing the preparation work; 2): Start the main motor to drive the main screw and the fixed column to adjust the position of the bending head. Cooperate with the hydraulic rod to assist in pressurization to apply loads to different positions of the car steering gear to test the bending performance. During the test, start the main linear motor to move the support frame. The defect camera takes pictures of the steering gear surface to identify cracks or deformation, and the infrared imaging camera detects temperature abnormalities during the bending process. 3): During the detection process, the auxiliary linear motor is started to drive the protective shell to the appropriate position to protect the personnel. The personnel can view the detection situation through the transparent window and lighting. Compared with the prior art, the present invention has the following advantages: 1. By starting the main motor to drive the main screw to rotate, the position of the fixed column can be adjusted, so that bending detection can be performed on different positions of the car steering gear. The auxiliary motor drives the auxiliary screw to rotate to adjust the positions of the two placement seats, so that car steering gears of different sizes can be placed, thereby improving the practicality of the detection device.
[0015] 2. The position of the two limit clamps is adjusted by starting the adjustment motor to drive the bidirectional screw to rotate. The rubber pad installed with the bracket can adapt to car steering gears of different diameters while avoiding pinching the surface. The spring contracts and stretches to make the locking rod fit into the locking groove on the surface of the plug block. This makes it convenient for personnel to quickly replace different bending heads to improve the practicality of the detection device.
[0016] 3. The cover plate that can be lifted and lowered facilitates the installation of the defect camera and infrared imaging machine. The installed defect camera takes pictures of the surface of the car steering gear to identify cracks or deformations, while the infrared imaging machine detects temperature anomalies during the bending process.
[0017] 4. The height of the protective shell is adjusted by starting the auxiliary linear motor. This can prevent the car's steering gear from breaking during the bending process, causing safety problems such as flying fragments. Personnel can view the inspection process through the transparent window and the lighting. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 Schematic diagram of the structure of the regulating unit of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the partially enlarged structure at center A; Figure 4 For the present invention Figure 2 A schematic diagram of the partially enlarged structure at point B in the middle; Figure 5 For the present invention Figure 1 Schematic diagram of the partially enlarged structure at point C in the middle.
[0019] In the figure: 1 working table, 2 adjusting unit, 21 fixing column, 22 main screw, 23 T-slot, 24 T-block, 25 main motor, 26 motor slot, 27 auxiliary screw, 28 auxiliary motor, 29 bracket, 210 rubber pad, 211 limit splint, 212 bidirectional screw, 213 adjustment motor, 214 spring, 215 limit strip, 216 locking rod, 217 pull plate, 218 anti-slip plate, 219 handle, 3 detection unit, 31 slide bar, 32 cover plate, 33 defect camera, 34 infrared imaging machine, 35 machine base, 36 support frame, 37 main linear motor, 4 protection unit, 41 transparent window, 42 protective shell, 43 auxiliary linear motor, 44 connecting frame, 45 lighting lamp, 5 frame, 6 adjustment slot, 7 roller, 8 placement seat, 9 mounting seat, 10 plug block, 11 elbow, 12 hydraulic rod, 13 bracket, 14 information rack, 15 partition board, 16 accessory box, 17 warning light, 18 controller. DETAILED DESCRIPTION
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1-5 , this embodiment provides a technical solution: a vehicle steering gear bending performance detection device, including a workbench 1 and an adjustment slot 6; Workbench 1: The top surface is provided with a frame 5, and hydraulic rods 12 are fixed on both sides of the top surface of the frame 5. The bottom end of the hydraulic rod 12 is connected to one side of the top surface of the bracket 13. There are two adjustment slots 6 and they are respectively opened on both sides of the top surface of the workbench 1. A placement seat 8 is slidably installed inside the adjustment slot 6, and a roller 7 is fixed inside the placement seat 8. An adjustment unit 2 is provided inside the bracket 13, and a mounting seat 9 is fixed inside the adjustment unit 2. A slot is provided on the bottom surface of the mounting seat 9, and the slot on the bottom surface of the mounting seat 9 corresponds to the plug-in block 10. A pressure elbow 11 is provided at the bottom end of the plug-in block 10. The adjustment unit 2 includes a fixed column 21, a main screw 22, a T-slot 23, a T-block 24, a main motor 25, a motor slot 26, a secondary screw 27 and a secondary motor 28. The motor slot 2 6 is opened on the right side of the inside of the frame 5, the T-slot 23 is opened on the left side of the inside of the frame 5, the main screw 22 is rotatably installed in the inside of the bracket 13, the main motor 25 is fixed on the right side of the bracket 13, the output shaft of the main motor 25 is connected to the right end of the main screw 22, the main motor 25 slides in the inside of the electrode groove 26, the T-block 24 is fixed on the left side of the bracket 13, the T-block 24 is slidably installed with the T-slot 23, the fixed column 21 is slidably installed in the inside of the bracket 13, the screw hole on the surface of the fixed column 21 is threadedly connected with the main screw 22, the bottom end of the fixed column 21 is connected to the top surface of the mounting seat 9, the auxiliary screw 27 is rotatably installed in the inside of the adjustment slot 6, the auxiliary motor 28 is fixed on the side of the workbench 1, and the output shaft of the auxiliary motor 28 is connected to the auxiliary screw The end of the lever 27 is connected, the auxiliary screw 27 is threadedly connected to the screw hole on the surface of the placement seat 8, the input ends of the main motor 25 and the auxiliary motor 28 are electrically connected to the output end of the controller 18, and the main motor 25 is started to drive the main screw 22 to rotate to adjust the position of the fixed column 21, so that the bending detection can be performed on different positions of the car steering machine, and the auxiliary motor 28 drives the auxiliary screw 27 to rotate to adjust the position of the two placement seats 8, so that car steering machines of different sizes can be placed to improve the practicality of the detection device. The adjustment unit 2 also includes a bracket 29, a rubber pad 210, a limit clamp 211, a bidirectional screw 212 and an adjustment motor 213. The bidirectional screw 212 is rotatably installed inside the placement seat 8, and the adjustment motor 213 is fixed on the placement On the front side of the seat 8, the output shaft of the adjusting motor 213 is connected to the front side end of the bidirectional screw 212, and the threads at both ends of the bidirectional screw 212 are opposite. The limiting clamp 211 has two screw holes on the surface and is respectively threadedly connected to the two ends of the bidirectional screw 212. The sliding hole on the surface of the limiting clamp 211 is slidably connected to the outer side of the roller 7. The outer side of the rubber pad 210 is fixed with a bracket 29, and the bracket 29 is correspondingly engaged with the slot on the surface of the limiting clamp 211. The input end of the adjusting motor 213 is electrically connected to the output end of the controller 18. The adjusting motor 213 is started to drive the bidirectional screw 212 to rotate to adjust the position of the two limiting clamps 211. The rubber pad 210 installed in conjunction with the bracket 29 can adapt to car steering machines of different diameters while avoiding pinching the surface.The adjusting unit 2 also includes a spring 214, a limit strip 215, a locking rod 216 and a pull plate 217. The spring 214 is fixed to the front side of the mounting seat 9. The front end of the spring 214 is connected to the rear side of the pull plate 217. The two sides of the pull plate 217 are fixed with limit strips 215 corresponding to the limit grooves on the side of the mounting seat 9. A locking rod 216 is fixed to the middle of the rear side of the pull plate 217. The locking rod 216 passes through the through hole on the surface of the mounting seat 9 and is plugged into the locking groove on the surface of the plug block 10. The spring 214 contracts and stretches to make the locking rod 216 cooperate with the locking groove on the surface of the plug block 10. This makes it convenient for personnel to quickly replace different pressing elbows 11 to improve the practicality of the detection device and adjust Unit 2 also includes an anti-slip plate 218 and a handle 219. The anti-slip plate 218 is slidably plugged into the plate grooves on the top surfaces of the two limit clamps 211. The top surface of the anti-slip plate 218 is installed with a handle 219. The installed anti-slip plate 218 can prevent the problem of slipping out during the bending detection of the automobile steering gear. The top surface of the workbench 1 is provided with a detection unit 3. The detection unit 3 includes a slide bar 31, a cover plate 32, a defect camera 33, an infrared imager 34, a machine base 35, a support frame 36 and a main linear motor 37. The main linear motor 37 is fixed on the front side of the top surface of the workbench 1. The top surface of the mover seat of the main linear motor 37 is provided with a support frame 36. The machine base 35 is fixed on both sides of the top surface of the support frame 36. The two machine bases 35 are An infrared imager 34 and a defect camera 33 are placed inside from left to right. Slide rods 31 are installed on both sides of the bottom surface of the cover 32. The slide rods 31 are slidably connected to the slide groove on the top surface of the support frame 36. The input ends of the defect camera 33, the infrared imager 34 and the main linear motor 37 are electrically connected to the output end of the controller 18. The lifting cover 32 is convenient for installing the defect camera 33 and the infrared imager 34. The installed defect camera 33 takes pictures of the surface of the car steering gear to identify cracks or deformations, and the infrared imager 34 detects temperature anomalies during the bending process. A protective unit 4 is provided on the surface of the frame 5. The protective unit 4 includes a transparent window 41, a protective shell 42, a secondary linear motor 43, a connecting frame 44 and There are two auxiliary linear motors 43, each fixed to the left and right sides of the frame 5. A connecting frame 44 is provided on the surface of the movable seat of the auxiliary linear motor 43, and its two ends are respectively connected to the side surfaces of the two corresponding front and rear protective shells 42. A transparent window 41 is installed on the surface of the protective shell 42. Lights 45 are provided on the left and right sides of the interior of the protective shell 42. The input ends of the auxiliary linear motor 43 and the lighting 45 are electrically connected to the output end of the controller 18. The auxiliary linear motor 43 is started to adjust the height of the protective shell 42. This can prevent the safety problems caused by the splashing of debris due to the breakage of the car steering gear during the bending process. The personnel can view the inspection process through the transparent window 41 and the lighting 45. Among them, it also includes a controller 18, the controller 18 is arranged on the top surface of the workbench 1, the input end of the hydraulic rod 12 is electrically connected to the output end of the controller 18, the input end of the controller 18 is electrically connected to the output end of the external power supply, the slot on the bottom surface of the mounting seat 9 is plugged into the plug block 10 to facilitate the installation of a pressure bend 11 of appropriate specifications according to different detection conditions, the sliding placement seat 8 is convenient for placing the two ends of the car steering machine, starting the hydraulic rod 12 to drive the pressure bend 11 to perform bending performance testing on the car steering machine, and also includes an information rack 14, a partition plate 15 and an accessory box 16, the accessory box 16 has Two are respectively installed in the grooves on the front and rear sides of the workbench 1. A partition plate 15 is inserted into the plate groove inside the accessory box 16. An information rack 14 is fixed on the left side of the partition plate 15. The accessory box 16 and the partition plate 15 store the detection molds in a classified manner. The information rack 14 records parameters to improve the standardization of the process. It also includes an alarm light 17. There are two alarm lights 17 and they are fixed on both sides of the top surface of the frame 5 on the left and right. The input end of the alarm light 17 is electrically connected to the output end of the controller 18. The alarm light 17 can flash and alarm in time when there is a problem with the car steering gear detection, so as to facilitate personnel to adjust.
[0022] The working principle of the automobile steering gear bending performance detection device and method provided by the present invention is as follows: first, start the auxiliary motor 28 to drive the auxiliary screw 27 to rotate to adjust the position of the two placement seats 8. The rollers 7 inside the placement seats 8 can place the two ends of the automobile steering gear. Start the adjustment motor 213 to drive the bidirectional screw 212 to rotate to adjust the position of the two limit clamps 211. The rubber pad 210 installed in conjunction with the bracket 29 can adapt to automobile steering gears of different diameters while avoiding clamping the surface. The installed anti-slip plate 218 can prevent the automobile steering gear from falling out during the bending detection process. After the automobile steering gear is installed, the appropriate bending head 11 is installed to the bottom surface of the mounting seat 9 according to different bending requirements. The spring 214 contracts to make the locking rod 216 and the plug block 10 surface. The locking groove on the surface is plugged in to lock the bending head 11, and the main motor 25 is started to drive the main screw 22 to rotate to drive the fixing column 21 to move left and right, thereby adjusting the position of the bending head 11. This makes it convenient to test the bending performance of different positions of the car steering gear. The lifting cover 32 is convenient for installing the defect camera 33 and the infrared imager 34. The installed defect camera 33 takes pictures of the surface of the car steering gear to identify cracks or deformations, and the infrared imager 34 detects temperature anomalies during the bending process. During the detection process, the auxiliary linear motor 43 is started to adjust the height of the protective shell 42. This can prevent the car steering gear from breaking during the bending process, resulting in safety problems caused by flying fragments, and personnel view the detection process through the transparent window 41 and the lighting 45.
[0023] It is worth noting that the controller 18 disclosed in the above embodiment uses the S7-1200 model. The defect camera 33 can be freely configured according to the actual application scenario. It is recommended to use the acA2000-50gm defect camera, the FLIR-A615 infrared imager 34, and the LG-30-200-10 linear motor for the main linear motor 37 and the auxiliary linear motor 43. The controller 18 controls the main motor 25, auxiliary motor 28, adjustment motor 213, defect camera 33, infrared imager 34, main linear motor 37, auxiliary linear motor 43, lighting 45, hydraulic rod 12, and warning light 17 using methods commonly used in the prior art.
[0024] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. Automobile steering gear bending performance detection device, characterized by: It includes a workbench (1) and an adjustment slot (6); Workbench (1): A frame (5) is provided on the top surface, and hydraulic rods (12) are fixed on both sides of the top surface of the frame (5), and the bottom end of the hydraulic rod (12) is connected to one side of the top surface of the bracket (13). There are two adjustment grooves (6) and they are respectively opened on both sides of the top surface of the workbench (1). A placement seat (8) is slidably installed inside the adjustment groove (6), and a roller (7) is fixed inside the placement seat (8). An adjustment unit (2) is provided inside the bracket (13), and a mounting seat (9) is fixed inside the adjustment unit (2). A slot is provided on the bottom surface of the mounting seat (9), and the slot on the bottom surface of the mounting seat (9) is correspondingly plugged into the plug (10). A pressure elbow (11) is provided at the bottom end of the plug (10). A detection unit (3) is provided on the top surface of the workbench (1), and a protective unit (4) is provided on the surface of the frame (5); The workbench (1) further includes a controller (18), which is arranged on the top surface of the workbench (1), and the input end of the hydraulic rod (12) is electrically connected to the output end of the controller (18), and the input end of the controller (18) is electrically connected to the output end of an external power supply.
2. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: The adjusting unit (2) comprises a fixed column (21), a main lead screw (22), a T-shaped slot (23), a T-shaped block (24), a main motor (25), a motor slot (26), a secondary lead screw (27) and a secondary motor (28), wherein the motor slot (26) is provided on the right side of the interior of the frame (5), the T-shaped slot (23) is provided on the left side of the interior of the frame (5), the main lead screw (22) is rotatably mounted inside the bracket (13), the main motor (25) is fixed on the right side of the bracket (13), the output shaft of the main motor (25) is connected to the right end of the main lead screw (22), the main motor (25) slides inside the electrode slot (26), the T-shaped block (24) is fixed on the bracket (13), and the output shaft of the main motor (25) is connected to the right end of the main lead screw (22). ), the T-block (24) is slidably installed with the T-slot (23), the fixed column (21) is slidably installed inside the bracket (13), the screw hole on the surface of the fixed column (21) is threadedly connected to the main screw (22), the bottom end of the fixed column (21) is connected to the top surface of the mounting seat (9), the auxiliary screw (27) is rotatably installed inside the adjustment slot (6), the auxiliary motor (28) is fixed on the side of the workbench (1), the output shaft of the auxiliary motor (28) is connected to the end of the auxiliary screw (27), the auxiliary screw (27) is threadedly connected to the screw hole on the surface of the placement seat (8), and the input ends of the main motor (25) and the auxiliary motor (28) are electrically connected to the output end of the controller (18).
3. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: The adjustment unit (2) further comprises a bracket (29), a rubber pad (210), a limiting clamp (211), a bidirectional lead screw (212) and an adjustment motor (213), wherein the bidirectional lead screw (212) is rotatably mounted inside the placement seat (8), the adjustment motor (213) is fixed to the front side of the placement seat (8), the output shaft of the adjustment motor (213) is connected to the front side end of the bidirectional lead screw (212), the threads at both ends of the bidirectional lead screw (212) are opposite, the limiting clamp (211) has two screw holes on its surface, which are respectively threadedly connected to the two ends of the bidirectional lead screw (212), the sliding hole on the surface of the limiting clamp (211) is slidably connected to the outer side of the roller (7), the outer side of the rubber pad (210) is fixed with a bracket (29), the bracket (29) is correspondingly engaged with the slot on the surface of the limiting clamp (211), and the input end of the adjustment motor (213) is electrically connected to the output end of the controller (18).
4. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: The adjustment unit (2) further includes a spring (214), a limiting strip (215), a locking rod (216) and a pull plate (217), wherein the spring (214) is fixed to the front side of the mounting seat (9), and the front end of the spring (214) is connected to the rear side of the pull plate (217), and both sides of the interior of the pull plate (217) are fixed with limiting strips (215) corresponding to the limiting grooves on the side of the mounting seat (9), and a locking rod (216) is fixed in the middle of the rear side of the pull plate (217), and the locking rod (216) passes through the through hole on the surface of the mounting seat (9) and is plugged into the locking groove on the surface of the plug (10).
5. The vehicle steering gear bending performance detection device according to claim 3, characterized in that: The adjustment unit (2) further comprises an anti-slip plate (218) and a handle (219), wherein the anti-slip plate (218) is slidably plugged into the plate grooves on the top surfaces of the two limiting clamping plates (211), and the top surface of the anti-slip plate (218) is provided with a handle (219).
6. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: The detection unit (3) includes a slide bar (31), a cover plate (32), a defect camera (33), an infrared imaging machine (34), a machine base (35), a support frame (36) and a main linear motor (37), wherein the main linear motor (37) is fixed on the front side of the top surface of the workbench (1), and the top surface of the mover base of the main linear motor (37) is provided with a support frame (36), and both sides of the top surface of the support frame (36) are fixed with machine bases (35), and the infrared imaging machine (34) and the defect camera (33) are placed in sequence from left to right inside the two machine bases (35), and both sides of the bottom surface of the cover plate (32) are installed with slide bars (31), and the slide bars (31) are slidably connected to the slide groove on the top surface of the support frame (36), and the input ends of the defect camera (33), the infrared imaging machine (34) and the main linear motor (37) are electrically connected to the output end of the controller (18).
7. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: The protection unit (4) comprises a transparent window (41), a protection shell (42), a secondary linear motor (43), a connecting frame (44) and a lighting lamp (45). There are two secondary linear motors (43) and they are fixed on the left and right sides of the frame (5) respectively. The surface of the movable seat of the secondary linear motor (43) is provided with a connecting frame (44). The two ends are respectively connected to the sides of the two corresponding front and rear protection shells (42). The surface of the protection shell (42) is provided with a transparent window (41). The left and right sides of the interior of the protection shell (42) are provided with lighting lamps (45). The input ends of the secondary linear motor (43) and the lighting lamp (45) are electrically connected to the output end of the controller (18).
8. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: It also includes an information rack (14), a partition plate (15) and an accessory box (16), wherein there are two accessory boxes (16) which are respectively installed in the grooves on the front and rear sides of the workbench (1), the partition plate (15) is inserted into the plate groove inside the accessory box (16), and the information rack (14) is fixed to the left side of the partition plate (15).
9. The vehicle steering gear bending performance detection device according to claim 1, characterized in that: It also includes an alarm light (17), wherein there are two alarm lights (17) fixed on both sides of the top surface of the frame (5) on the left and right sides, and the input end of the alarm light (17) is electrically connected to the output end of the controller (18).
10. The method for using the vehicle steering gear bending performance detection device is characterized by: The following steps are involved: 1): Insert the plug (10) into the slot at the bottom of the mounting seat (9), push the locking rod (216) into the plug locking slot through the pull plate (217) to fix it, and the spring (214) provides the locking force to complete the installation of the press elbow (11), and put the car steering gear to be tested on the rollers (7) on both sides, start the adjustment motor (213) to drive the bidirectional screw (212), so that the limit clamps (211) on both sides synchronously clamp the two ends of the car steering gear, and the rubber pad (210) installed on the bracket (29) enhances the anti-slip property, thereby completing the preparation work; 2): Start the main motor (25) to drive the main screw (22) to drive the fixed column (21) to adjust the position of the bending head (11), and cooperate with the hydraulic rod (12) to assist in pressurization to apply loads to different positions of the car steering gear to perform bending performance testing. During the testing process, start the main linear motor (37) to move the support frame (36), the defect camera (33) takes pictures of the steering gear surface to identify cracks or deformation, and the infrared imaging machine (34) detects temperature anomalies during the bending process; 3): During the detection process, the auxiliary linear motor (43) is started to drive the protective shell (42) to rise and fall to a suitable position to protect the personnel, and the personnel can view the detection situation through the transparent window (41) and the lighting (45).