Automatic test equipment for shock resistance of whole motor vehicle
By designing automated testing equipment, using a hydraulic system and vibration simulator to connect the front and rear frames, and equipping it with counterweights and shock absorbers, the problem of low efficiency in traditional testing methods has been solved, enabling accurate and efficient testing of the vibration resistance performance of motor vehicles, and adapting to the needs of different vehicle models.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-06
AI Technical Summary
Traditional methods for testing the vibration resistance of motor vehicles are inefficient, produce inaccurate results, and the same equipment is difficult to adapt to vehicles with different wheelbases, increasing testing costs and limitations.
An automated testing device for the vibration resistance performance of a motor vehicle was designed. It uses first and second vibration simulators connected to the front and rear frames respectively, and simulates different vibration scenarios through a hydraulic system. It is equipped with counterweights, shock absorbers and a lifting frame to meet the testing needs of different vehicle models.
It has enabled automated testing of the vibration resistance performance of motor vehicles, improving the accuracy and efficiency of testing. It can simulate various vibration conditions, adapt to the testing needs of different vehicle models, and reduce the difficulty and cost of operation.
Smart Images
Figure CN223976857U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of testing equipment, specifically an automated testing device for the shock resistance performance of a motor vehicle. Background Technology
[0002] Automated testing equipment for the whole vehicle's vibration resistance performance is used to evaluate the stability and safety of motor vehicles under the influence of external forces such as vibration and bumps. With the rapid development of the automotive industry, the vibration resistance performance of motor vehicles has become one of the important indicators for measuring their quality and safety. Traditional vibration resistance testing methods are not only inefficient, but also difficult to guarantee the accuracy of test results. When testing different vehicle models, the same equipment cannot meet the testing needs of vehicles with different wheelbases, thus increasing the limitations of the testing equipment and increasing testing costs. Utility Model Content
[0003] The purpose of this invention is to address the above-mentioned problems by providing an automated testing device for the overall shock resistance performance of motor vehicles.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] An automated testing device for the vibration resistance performance of a motor vehicle includes a testing device body and a motor vehicle frame. The motor vehicle frame is fixedly mounted on the testing device body. The testing device body includes a device base, a first vibration simulator, and a second vibration simulator. The first and second vibration simulators are symmetrically mounted on the device base. The first vibration simulator is movably connected to the device base, and the second vibration simulator is fixedly connected to the device base. The motor vehicle frame includes a front frame and a rear frame. The front fork of the front frame is fixedly mounted on the first vibration simulator, and the rear beam of the rear frame is fixedly mounted on the second vibration simulator. Counterweights are fixedly mounted on both the front and rear frames.
[0006] In the aforementioned automated testing equipment for the vibration resistance performance of a complete motor vehicle, a connecting fastener is movably installed on the top of the first vibration simulator, a hydraulic rod is connected to the bottom of the connecting fastener, a fork fixing groove is provided on the connecting fastener, a pressure plate is fixedly installed above the fork fixing groove by bolts, and the bottom of the front frame is located in the fork fixing groove.
[0007] In the aforementioned automated testing equipment for the vibration resistance performance of a complete motor vehicle, a fixed support frame is movably mounted on the top of the second vibration simulator, a hydraulic rod is connected to the bottom of the fixed support frame, a horizontal insertion rod is installed on the fixed support frame, and the rear beam of the rear frame is inserted into the insertion rod of the fixed support frame.
[0008] In the aforementioned automated testing equipment for the vibration resistance performance of motor vehicles, both the first vibration simulator and the second vibration simulator are equipped with hydraulic cylinders. The hydraulic cylinders are connected to the connecting fasteners and the fixed support frame respectively through hydraulic rods, and the hydraulic cylinders are provided with protective shells.
[0009] In the aforementioned automated testing equipment for the vibration resistance performance of motor vehicles, the bottom of the first vibration simulator is equipped with rollers, and the bottom of the rollers is provided with a track, which is located on the base of the equipment.
[0010] In the aforementioned automated testing equipment for the vibration resistance performance of a complete motor vehicle, a mounting base is installed on one side of the equipment base, a drive screw is installed on the mounting base, one end of the drive screw is connected to a first vibration simulator, the drive screw is rotatably connected to the mounting base through a bearing, and an adjusting handwheel is installed on one side of the drive screw.
[0011] In the aforementioned automated testing equipment for the whole vehicle vibration resistance performance, an auxiliary lifting frame is fixedly installed on one side of the equipment base, a lifting arm is fixedly installed on the auxiliary lifting frame, a chain is installed on the lifting arm, and a winch is installed on one side of the auxiliary lifting frame, the winch being connected to the chain.
[0012] In the aforementioned automated testing equipment for the whole vehicle's vibration resistance performance, shock absorbers are installed on both the front and rear frames.
[0013] In the aforementioned automated testing equipment for the whole vehicle vibration resistance performance, load-bearing bars are fixedly installed on the front frame and the rear frame, and the counterweight is installed on the load-bearing bars.
[0014] In the aforementioned automated testing equipment for the vibration resistance performance of motor vehicles, both the first vibration simulator and the second vibration simulator are connected to the hydraulic control system.
[0015] Compared with existing technologies, the advantages of this utility model are:
[0016] 1. This utility model realizes automated testing of the vibration resistance performance of a motor vehicle. The front and rear frames are connected to the vibration simulator in different ways, which not only ensures the stability of the test, but also simulates the different stress states of the motor vehicle during driving. The setting of counterweights further simulates the actual weight of the motor vehicle, making the test results more accurate and reliable.
[0017] 2. The design of the rollers and rails in this utility model allows the first vibration simulator to be easily moved and adjusted to adapt to the testing needs of different vehicle models. The design of the auxiliary lifting frame and lifting arm allows operators to easily hoist the vehicle frame onto the testing equipment, greatly improving testing efficiency.
[0018] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the present invention when the vehicle frame is not installed.
[0021] Figure 3 This is a side view of the structure of this utility model.
[0022] Figure 4 This is a front view of the first vibration simulator of this utility model.
[0023] Figure 5 This is a side view of the second vibration simulator of this utility model.
[0024] In the diagram: 1. Test equipment body; 2. Motor vehicle frame; 3. Equipment base; 4. First vibration simulator; 5. Second vibration simulator; 6. Front frame; 7. Rear frame; 8. Counterweight; 9. Connecting fastener; 10. Front fork mounting slot; 11. Fixed support frame; 12. Insert rod; 13. Hydraulic cylinder; 14. Roller; 15. Rail; 16. Mounting seat; 17. Drive screw; 18. Lifting arm; 19. Auxiliary lifting frame; 20. Load-bearing bar; 21. Shock absorber; 22. Adjusting handwheel; 23. Protective shell; 24. Winch. Detailed Implementation
[0025] The present invention will be further described below with reference to the accompanying drawings.
[0026] like Figure 1-5 As shown, an automated testing device for the vibration resistance performance of a motor vehicle includes a testing device body 1 and a motor vehicle frame 2. The motor vehicle frame 2 is fixedly installed on the testing device body 1. The testing device body 1 includes a device base 3, a first vibration simulator 4, and a second vibration simulator 5. The first vibration simulator 4 and the second vibration simulator 5 are symmetrically installed on the device base 3. The first vibration simulator 4 is movably connected to the device base 3, and the second vibration simulator 5 is fixedly connected to the device base 3. The motor vehicle frame 2 includes a front frame 6 and a rear frame 7. The front fork of the front frame 6 is fixedly installed on the first vibration simulator 4, and the rear beam of the rear frame 7 is fixedly installed on the second vibration simulator 5. Counterweights 8 are fixedly installed on both the front frame 6 and the rear frame 7.
[0027] In this embodiment, different vibration scenarios are simulated using the first vibration simulator 4 and the second vibration simulator 5 to test the vibration resistance performance of the entire motor vehicle.
[0028] Furthermore, a connecting fastener 9 is movably installed on the top of the first vibration simulator 4, a hydraulic rod is connected to the bottom of the connecting fastener 9, a fork fixing groove 10 is provided on the connecting fastener 9, a pressure plate is fixedly installed above the fork fixing groove 10 by bolts, and the bottom of the front frame 6 is located in the fork fixing groove.
[0029] In this embodiment, the first vibration simulator 4 drives the connecting fixing member 9 through the hydraulic cylinder 13 and the hydraulic rod, so that the front fork of the front frame 6 is dynamically tested in a simulated vibration environment.
[0030] Furthermore, a fixed support frame 11 is movably mounted on the top of the second vibration simulator 5, a hydraulic rod is connected to the bottom of the fixed support frame 11, and a horizontal insertion rod 12 is installed on the fixed support frame 11. The rear beam of the rear frame 7 is inserted into the insertion rod 12 of the fixed support frame 11.
[0031] In this embodiment, the second vibration simulator 5 fixes the rear beam of the rear frame 7 with a fixed support frame 11 and a plug rod 12, and also uses a hydraulic cylinder 13 and a hydraulic rod to simulate vibration.
[0032] Furthermore, both the first vibration simulator 4 and the second vibration simulator 5 are equipped with hydraulic cylinders 13, and the hydraulic cylinders 13 are connected to the connecting fastener 9 and the fixed support frame 11 respectively through hydraulic rods. The hydraulic cylinders 13 are provided with a protective shell 23.
[0033] In this embodiment, a hydraulic cylinder 13 and a hydraulic rod are used for vibration simulation. This design can comprehensively simulate various vibration conditions that a motor vehicle may encounter during driving.
[0034] Furthermore, a roller 14 is installed at the bottom of the first vibration simulator 4, and a track 15 is provided at the bottom of the roller 14, which is located on the device base 3.
[0035] Specifically, a mounting base 16 is installed on one side of the equipment base 3, and a drive screw 17 is installed on the mounting base 16. One end of the drive screw 17 is connected to the first vibration simulator 4. The drive screw 17 is rotatably connected to the mounting base 16 through a bearing. An adjusting handwheel 22 is installed on one side of the drive screw 17.
[0036] In this embodiment, the position of the first vibration simulator 4 can be changed by adjusting the drive screw 17 through the handwheel 22 to adapt to the testing requirements of different vehicle models.
[0037] Furthermore, an auxiliary lifting frame 19 is fixedly installed on one side of the equipment base 3, a lifting arm 18 is fixedly installed on the auxiliary lifting frame 19, a chain is installed on the lifting arm 18, and a winch 24 is installed on one side of the auxiliary lifting frame 19, the winch 24 being connected to the chain.
[0038] In this embodiment, the design of the auxiliary lifting frame 19 and the lifting arm 18 enables the operator to easily hoist the vehicle frame 2 onto the testing equipment, greatly improving testing efficiency.
[0039] Furthermore, shock absorbers 21 are installed on both the front frame 6 and the rear frame 7.
[0040] In this embodiment, the shock absorber 21 is used to simulate the shock absorption effect of a motor vehicle suspension system and evaluate its stability under vibration.
[0041] Furthermore, load-bearing rods 20 are fixedly installed on the front frame 6 and the rear frame 7, and counterweights 8 are installed on the load-bearing rods 20.
[0042] In this embodiment, the load-bearing rod 20 is used to fix the counterweight 8, ensuring the stability and safety of the counterweight 8 during the test.
[0043] Furthermore, both the first vibration simulator 4 and the second vibration simulator 5 are connected to the hydraulic control system.
[0044] The working principle of this utility model is as follows:
[0045] In use, this invention simulates different vibration scenarios using a first vibration simulator 4 and a second vibration simulator 5 to test the vibration resistance of the entire vehicle. The first vibration simulator 4 drives the connecting fixing member 9 via a hydraulic cylinder 13 and a hydraulic rod, causing the front fork of the front frame 6 to undergo dynamic testing in the simulated vibration environment. The second vibration simulator 5 fixes the rear beam of the rear frame 7 via a fixed support frame 11 and a plug rod 12, and similarly uses a hydraulic cylinder 13 and a hydraulic rod to simulate vibration. This design can comprehensively simulate various vibration conditions that a vehicle may encounter during driving, thereby accurately assessing its vibration resistance.
[0046] Furthermore, this invention further enhances the accuracy and reliability of the test through components such as the counterweight 8, shock absorber 21, and load-bearing rod 20. The counterweight 8 is used to simulate the actual load of a motor vehicle, making the test results closer to reality; the shock absorber 21 is used to simulate the shock absorption effect of the motor vehicle suspension system and evaluate its stability under vibration; the load-bearing rod 20 is used to fix the counterweight 8, ensuring the stability and safety of the counterweight 8 during the test.
[0047] During testing, operators can adjust the drive screw 17 by adjusting the handwheel 22, thereby changing the position of the first vibration simulator 4 to adapt to the testing requirements of different vehicle models. Meanwhile, the design of the auxiliary lifting frame 19 and lifting arm 18 allows operators to easily hoist the vehicle frame 2 onto the testing equipment, greatly improving testing efficiency.
[0048] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model.
[0049] Although this document frequently uses terms such as 1. test equipment body; 2. motor vehicle frame; 3. equipment base; 4. first vibration simulator; 5. second vibration simulator; 6. front frame; 7. rear frame; 8. counterweight; 9. connecting fastener; 10. front fork mounting slot; 11. fixed support frame; 12. insert rod; 13. hydraulic cylinder; 14. roller; 15. track; 16. mounting base; 17. drive screw; 18. lifting arm; 19. auxiliary lifting frame; 20. load-bearing bar; 21. shock absorber; 22. adjusting handwheel; 23. protective shell; 24. winch, etc., the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.
Claims
1. A kind of motor vehicle whole vehicle shock resistance performance automation test equipment, including test equipment machine body (1) and motor vehicle frame (2), it is characterized in that, The motor vehicle frame (2) is fixedly installed on the test equipment body (1), the test equipment body (1) comprises an equipment base (3), a first vibration simulator (4) and a second vibration simulator (5), the first vibration simulator (4) and the second vibration simulator (5) are symmetrically installed on the equipment base (3), the first vibration simulator (4) is movably connected with the equipment base (3), and the second vibration simulator (5) is fixedly connected with the equipment base (3); the motor vehicle frame (2) comprises a front frame (6) and a rear frame (7), the front fork of the front frame (6) is fixedly installed on the first vibration simulator (4), the rear beam of the rear frame (7) is fixedly installed on the second vibration simulator (5), and the front frame (6) and the rear frame (7) are both fixedly installed with counterweight blocks (8).
2. The vehicle shock resistance automatic test equipment of claim 1, wherein, The top of the first vibration simulator (4) is movably installed with a connecting fixing piece (9), the bottom of the connecting fixing piece (9) is connected with a hydraulic rod, a front fork fixing groove (10) is arranged on the connecting fixing piece (9), a pressing plate is fixedly installed above the front fork fixing groove (10) through bolts, and the bottom of the front frame (6) is located in the fork fixing groove.
3. The vehicle shock resistance automatic test equipment according to claim 2, characterized in that, The top of the second vibration simulator (5) is movably installed with a fixed support frame (11), the bottom of the fixed support frame (11) is connected with a hydraulic rod, a horizontal plug rod (12) is installed on the fixed support frame (11), and the rear beam of the rear frame (7) is inserted on the plug rod (12) of the fixed support frame (11).
4. The vehicle shock resistance automatic test equipment according to claim 3, characterized in that, Hydraulic cylinders (13) are installed in the first vibration simulator (4) and the second vibration simulator (5), the hydraulic cylinders (13) are connected with the connecting fixing piece (9) and the fixed support frame (11) through hydraulic rods respectively, and protection shells (23) are arranged outside the hydraulic cylinders (13).
5. The vehicle shock resistance automatic test equipment according to claim 4, characterized in that, Rollers (14) are installed at the bottom of the first vibration simulator (4), tracks (15) are arranged at the bottom of the rollers (14), and the tracks (15) are arranged on the equipment base (3).
6. The vehicle shock resistance automatic test equipment of claim 5, wherein, A mounting seat (16) is installed on one side of the equipment base (3), a drive screw (17) is installed on the mounting seat (16), one end of the drive screw (17) is connected with the first vibration simulator (4), the drive screw (17) is rotatably connected with the mounting seat (16) through a bearing, and an adjusting hand wheel (22) is installed on one side of the drive screw (17).
7. The vehicle shock resistance automatic test equipment according to claim 6, characterized in that, An auxiliary lifting frame (19) is fixedly installed on one side of the equipment base (3), a lifting arm (18) is fixedly installed on the auxiliary lifting frame (19), a chain is installed on the lifting arm (18), a winch (24) is installed on one side of the auxiliary lifting frame (19), and the winch (24) is connected with the chain.
8. The vehicle shock resistance automatic test equipment according to claim 7, characterized in that, Shock absorbers (21) are installed on the front frame (6) and the rear frame (7).
9. The vehicle shock resistance automatic test equipment according to claim 8, characterized in that, Load bearing rods (20) are fixedly installed on the front frame (6) and the rear frame (7), and the counterweight blocks (8) are installed on the load bearing rods (20). Shock absorbers (21) are installed on the front frame (6) and the rear frame (7). Load bearing rods (20) are fixedly installed on the front frame (6) and the rear frame (7), and the counterweight blocks (8) are installed on the load bearing rods (20).
10. The vehicle shock resistance automatic test equipment according to claim 9, characterized in that, The first vibration simulator (4) and the second vibration simulator (5) are each connected to a hydraulic control system.