New energy automobile power test frame
By designing buffer barrier components, push components and guide protection components on the power test frame of new energy vehicles, the damage problem of the car when it is out of speed during the test is solved, and the effect of reducing test risks and improving safety is achieved.
Patent Information
- Application Number
- CN202421756529.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-24
AI Technical Summary
Although the existing new energy vehicle power test frame can prevent danger from occurring when the car speed is out of control, it will cause direct damage to the vehicle and even cause the vehicle to be scrapped, increasing the testing risk.
A new energy vehicle power test rack including a buffer barrier assembly, a push assembly and a guide protection assembly was designed. When the speed of the car is out of control, the buffer blocking assembly cushiones shock through dampers and springs, the pressing assembly lifts the car through a telescopic cylinder, causing the tires to idle, and the guide protection assembly protects the front and rear sides of the car through an electric telescopic rod and airbag.
It effectively avoids damage caused by speed loss during power tests by the car, reduces the testing risks, improves safety, and ensures the safety of the car and the reliability of the test.
Smart Images

Figure CN222825271U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy vehicle testing, in particular to a new energy vehicle power test stand. Background Art
[0002] With the continuous development of modern new energy technology, this technology has gradually developed into the automobile manufacturing industry. Before the new energy vehicle is used, it is usually necessary to test and grade the power system of the new energy vehicle. During the test, a test bench is usually needed to help the test process. A new energy vehicle test bench proposed by prior art announcement number CN217542414U includes a test bench body, the upper end of the right side of the test bench body is fixedly connected with a climbing ramp, the right end of the top of the test bench body is fixedly connected with a fixed shaft, and the surface of the fixed shaft is movably connected with a movable baffle through a bearing. When in use, although the new energy vehicle is prevented from running out of control of speed and rushing out of the test bench during power testing by means of traction steel ropes and other devices, once this happens, the device can prevent the occurrence of danger, but it will also cause direct damage to the vehicle, and even cause the vehicle to be scrapped, thereby greatly increasing the test risk of the vehicle. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a new energy vehicle power test stand which can protect the vehicle, avoid damage, minimize the damage to the vehicle, reduce the test risk, and improve safety.
[0004] The utility model discloses a new energy vehicle power test stand, comprising a test bench, four groups of test wheels are installed on the test bench, a buffer blocking component is installed on the right end of the test bench, a guide protection component is installed on the front and rear ends of the test bench, and a push-up component is installed on the left and right ends of the interior of the test bench; after the vehicle moves to the top of the test bench, the vehicle is tested by the test wheels, and when the new energy vehicle loses speed and rushes forward, the front of the vehicle will first contact the buffer blocking component to buffer the impact of the vehicle, and at the same time the push-up component lifts the vehicle to make the tires of the vehicle idle, and at the same time the guide protection component can protect the front and rear sides of the vehicle to avoid damage, thereby minimizing the damage to the vehicle and reducing the test risk.
[0005] Preferably, the buffer blocking assembly includes multiple fixed arms, mounting plates, multiple groups of push rods, contact plates, multiple groups of dampers and multiple groups of springs. The multiple fixed arms are evenly fixedly mounted on the right side wall of the test bench. The upper part of the fixed arm is fixedly mounted with a mounting plate, and the multiple groups of push rods are evenly slidably mounted on the mounting plate. The left end of the push rod is fixedly connected with a contact plate, and a buffer rubber is provided on the contact plate. The other end of the push rod is connected to the damper, and the spring is sleeved on the outer wall of the push rod, and the left and right ends of the spring are respectively connected to the contact plate and the mounting plate. When the new energy vehicle loses control and rushes forward, the front of the vehicle will first contact the contact plate, and then the push rod will be driven to move through the contact plate. At this time, the damper is used to buffer the impact of the vehicle, and the spring is compressed at the same time, so as to buffer and block the vehicle to ensure safety.
[0006] Preferably, the pushing assembly includes multiple groups of telescopic cylinders, two push plates, multiple push columns, a push plate frame, multiple switch columns and multiple contact switches. A lifting cavity is opened at the left and right ends of the interior of the test bench. Multiple telescopic cylinders are respectively fixedly installed in the lifting cavity. A push plate is fixedly installed on the top of the telescopic cylinder. Multiple push columns are fixedly connected to the top of the push plate. The pushing columns slide through the lifting cavity. Push plate frames are fixedly installed on the tops of the push columns on the left and right sides. A storage groove matching the push plate frame is opened on the top of the test bench. Multiple switch columns are respectively installed at one end close to the contact plate and the mounting plate, and contact switches are installed on the switch columns. When the contact plate pushes the push rod to move to the right, the switch column pushes the contact switch to connect, controlling the telescopic cylinder to start, and the telescopic cylinder pushes the push plate to move upward. The push plate pushes the push column to move upward, driving the push plate frame to contact the bottom of the car, pushing the car up, causing the tire to idle and reducing impact force.
[0007] Preferably, the guide protection assembly includes two sets of fixed seats, two sets of electric telescopic rods, two L-shaped blocking plates, multiple support rods and multiple airbags, the two sets of fixed seats are respectively fixedly installed on the left and right sides of the outer walls of the front and rear ends of the test bench, the electric telescopic rods are fixedly installed on the fixed seats, the L-shaped blocking plates are fixedly installed on the top of the electric telescopic rods, multiple support rods are evenly connected between the upper and bottom of the L-shaped blocking plates, and multiple airbags are installed at the opposite ends of the two L-shaped blocking plates; the electric telescopic rods are started to push the L-shaped blocking plates to move upward to guide the front and rear sides of the car, and the airbags can prevent damage to the front and rear sides of the car when the car loses control.
[0008] Preferably, a base plate is fixedly installed at the lower left end of the test bench, a ramp is installed above the base plate, and the right end of the ramp is connected to the upper left end of the test bench; the car drives onto the test bench via the ramp, which improves convenience during use.
[0009] Preferably, a plurality of anti-skid rubber strips are installed on the upper surface of the ramp, and guide plates are installed at the front and rear ends of the ramp; the front and rear sides of the ramp are guided and limited by the guide plates, and the friction on the upper surface of the ramp is increased by the anti-skid rubber strips to avoid slipping and improve practicality.
[0010] Preferably, guide grooves are provided at the front and rear ends of the lifting cavity, guide sliders are fixedly installed at the front and rear ends of the push plate, and the guide sliders are slidably installed in the guide grooves. Mounting columns are fixedly installed at the front and rear ends of the top left end of the test bench, a steel rope is fixedly installed between the two mounting columns, and a hook is installed in the middle of the steel rope; when the push plate moves, it drives the guide slider to move in the guide groove, guides and limits the push plate to ensure stability during movement, and the steel rope is connected to the trailer hook at the rear of the car through the hook to pull the rear of the vehicle to further ensure safety.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: after the car moves to the top of the test bench, the car is tested by the test wheels. When the new energy car loses control and rushes forward, the front of the car will first contact the buffer blocking component to buffer the impact of the car. At the same time, the pushing component will lift the car to make the car tires idle. At the same time, the guide protection component can protect the front and rear sides of the car to avoid damage, minimize the damage to the vehicle, and reduce the test risk. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 3 It is a front structural schematic diagram of the utility model;
[0015] Figure 4 It is a left-side cross-sectional structural schematic diagram of the utility model;
[0016] Figure 5 It is a front cross-sectional structural schematic diagram of the utility model;
[0017] Markings in the attached drawings: 1. test bench; 2. test wheel; 3. bottom plate; 4. ramp plate; 5. guide plate; 6. anti-slip rubber strip; 7. fixed arm; 8. mounting plate; 9. push rod; 10. contact plate; 11. damper; 12. spring; 13. telescopic cylinder; 14. push plate; 15. guide slider; 16. push column; 17. push plate frame; 18. switch column; 19. contact switch; 20. fixed seat; 21. electric telescopic rod; 22. L-shaped blocking plate; 23. support rod; 24. airbag; 25. mounting column; 26. steel rope; 27. hook. DETAILED DESCRIPTION
[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0019] like Figures 1 to 5 As shown, four groups of test wheels 2 are installed on the test bench 1, and multiple fixed arms 7 are evenly fixedly installed on the right side wall of the test bench 1. A mounting plate 8 is fixedly installed on the upper part of the fixed arm 7, and multiple groups of push rods 9 are evenly slidably installed on the mounting plate 8. The left end of the push rod 9 is fixedly connected to a contact plate 10, and a buffer rubber is arranged on the contact plate 10. The other end of the push rod 9 is connected to a damper 11. A spring 12 is sleeved on the outer wall of the push rod 9, and the left and right ends of the spring 12 are respectively connected to the contact plate 10 and the mounting plate 8. Lifting cavities are provided at the left and right ends of the interior of the platform 1, and a plurality of telescopic cylinders 13 are fixedly installed in the lifting cavities. A push plate 14 is fixedly installed on the top of the telescopic cylinder 13, and a plurality of push columns 16 are fixedly connected to the top of the push plate 14. The push columns 16 slide through the lifting cavity, and push plate racks 17 are fixedly installed on the tops of the push columns 16 on the left and right sides. A storage groove matching the push plate rack 17 is provided on the top of the test platform 1, and a plurality of switch columns 18 are respectively installed at one end close to the contact plate 10 and the mounting plate 8. A contact switch 19 is installed on the gate column 18, two sets of fixed seats 20 are respectively fixedly installed on the left and right sides of the outer walls of the front and rear ends of the test bench 1, an electric telescopic rod 21 is fixedly installed on the fixed seat 20, an L-shaped blocking plate 22 is fixedly installed on the top of the electric telescopic rod 21, a plurality of support rods 23 are evenly connected between the upper and bottom parts of the L-shaped blocking plate 22, a plurality of air bags 24 are installed on the opposite ends of the two L-shaped blocking plates 22, a bottom plate 3 is fixedly installed on the lower left end of the test bench 1, and a slope is installed above the bottom plate 3. The right end of the ramp plate 4 is connected to the upper left end of the test bench 1, and a plurality of anti-skid rubber strips 6 are installed on the upper surface of the ramp plate 4. Guide plates 5 are installed at the front and rear ends of the ramp plate 4. Guide grooves are provided at the front and rear ends of the lifting cavity. Guide sliders 15 are fixedly installed at the front and rear ends of the push plate 14. The guide sliders 15 are slidably installed in the guide grooves. Mounting columns 25 are fixedly installed at the front and rear ends of the left end of the top of the test bench 1. A steel rope 26 is fixedly installed between the two mounting columns 25, and a hook 27 is installed in the middle of the steel rope 26;
[0020] The car drives onto the test bench 1 through the ramp 4 to improve the convenience of use. The front and rear sides of the ramp 4 are guided and limited by the guide plate 5. The friction on the upper surface of the ramp 4 is increased by the anti-skid rubber strip 6 to avoid slipping and improve practicality. The steel rope 26 is connected to the trailer hook at the rear of the car through the hook 27 to pull the rear of the vehicle to further ensure safety. The car is tested by the test wheel 2. When the new energy vehicle loses control and rushes forward, the front of the vehicle will first contact the contact plate 10, and then the push rod 9 will be driven to move by the contact plate 10. At this time, the impact of the car is buffered by the damper 11, and the spring 12 is compressed at the same time to buffer the vehicle and the car. Blocking is carried out to ensure safety. When the contact plate 10 pushes the push rod 9 to move to the right, the switch column 18 pushes the contact switch 19 to connect, and the telescopic cylinder 13 is controlled to start. The telescopic cylinder 13 pushes the push plate 14 to move upward, and the push plate 14 pushes the push column 16 to move upward, driving the push plate frame 17 to contact the bottom of the car, pushing the car up, making the tire idle and reducing the impact force. When the push plate 14 moves, it drives the guide slider 15 to move in the guide groove, and guides the push plate 14 to ensure stability during movement. The electric telescopic rod 21 is started to push the L-shaped blocking plate 22 to move upward to guide the front and rear sides of the car. The airbag 24 can prevent damage to the front and rear sides of the car when the car loses control.
[0021] like Figures 1 to 5 As shown, a new energy vehicle power test stand of the utility model, when working, the vehicle drives onto the test bench 1 through the ramp 4, the guide plate 5 guides and limits the front and rear sides of the ramp 4, and the friction force on the upper surface of the ramp 4 is increased by the anti-skid rubber strip 6 to avoid slipping, and the vehicle is tested by the test wheel 2. When the new energy vehicle loses control and rushes forward, the front of the vehicle will first contact the contact plate 10, and then the push rod 9 is driven to move by the contact plate 10. At this time, the impact of the vehicle is buffered by the damper 11, and the spring 12 is compressed at the same time, so as to buffer the vehicle, and the contact plate 10 pushes When the push rod 9 moves to the right, the switch column 18 pushes the contact switch 19 to connect, and the telescopic cylinder 13 is controlled to start. The telescopic cylinder 13 pushes the push plate 14 to move upward. When the push plate 14 moves, it drives the guide slider 15 to move in the guide groove, and guides and limits the push plate 14. The push plate 14 pushes the push column 16 to move upward, and drives the push plate frame 17 to contact with the bottom of the car, pushes the car up, makes the tires idle, reduces the impact force, and starts the electric telescopic rod 21 to push the L-shaped blocking plate 22 to move upward, guide the front and rear sides of the car, and prevents the front and rear sides of the car from being damaged when the car loses control through the airbag 24.
[0022] The damper 11 and contact switch 19 of the new energy vehicle power test stand of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by technicians in this field.
[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A new energy vehicle power test stand, characterized in that: The test bench (1) comprises four groups of test wheels (2) installed on the test bench (1), a buffer blocking component installed at the right end of the test bench (1), guide protection components installed at the front and rear ends of the test bench (1), and push-up components installed at the left and right ends inside the test bench (1).
2. A new energy vehicle power test stand as claimed in claim 1, characterized in that: The buffer blocking assembly comprises a plurality of fixed arms (7), a mounting plate (8), a plurality of push rods (9), a contact plate (10), a plurality of dampers (11) and a plurality of springs (12). The plurality of fixed arms (7) are evenly fixedly mounted on the right side wall of the test bench (1). The upper part of the fixed arms (7) is fixedly mounted with a mounting plate (8). The plurality of push rods (9) are evenly slidably mounted on the mounting plate (8). The left end of the push rod (9) is fixedly connected with the contact plate (10). The contact plate (10) is provided with a buffer rubber. The other end of the push rod (9) is connected with the damper (11). The spring (12) is sleeved on the outer wall of the push rod (9). The left and right ends of the spring (12) are respectively connected with the contact plate (10) and the mounting plate (8).
3. A new energy vehicle power test stand as claimed in claim 2, characterized in that: The pushing assembly comprises a plurality of groups of telescopic cylinders (13), two push plates (14), a plurality of pushing columns (16), a pushing plate frame (17), a plurality of switch columns (18) and a plurality of contact switches (19). The left and right ends of the interior of the test bench (1) are provided with lifting cavities. The plurality of telescopic cylinders (13) are respectively fixedly installed in the lifting cavities. The top of the telescopic cylinder (13) is fixedly installed with a push plate (14). The top of the push plate (14) is fixedly connected with a plurality of pushing columns (16). The pushing columns (16) slide through the lifting cavities. The tops of the pushing columns (16) on the left and right sides are fixedly installed with pushing plate frames (17). The top of the test bench (1) is provided with a storage groove matching the pushing plate frame (17). The plurality of switch columns (18) are respectively installed at the end close to the contact plate (10) and the mounting plate (8). The switch columns (18) are installed with contact switches (19).
4. A new energy vehicle power test stand as claimed in claim 1, characterized in that: The guide protection assembly comprises two sets of fixed seats (20), two sets of electric telescopic rods (21), two L-shaped blocking plates (22), a plurality of support rods (23) and a plurality of air bags (24). The two sets of fixed seats (20) are respectively fixedly mounted on the left and right sides of the outer walls at the front and rear ends of the test bench (1). The electric telescopic rods (21) are fixedly mounted on the fixed seats (20). The top of the electric telescopic rods (21) is fixedly mounted with the L-shaped blocking plates (22). The plurality of support rods (23) are evenly connected between the upper part and the bottom of the L-shaped blocking plates (22). The plurality of air bags (24) are mounted on opposite ends of the two L-shaped blocking plates (22).
5. A new energy vehicle power test stand as claimed in claim 1, characterized in that: A bottom plate (3) is fixedly mounted on the lower left end of the test bench (1), a ramp plate (4) is mounted above the bottom plate (3), and the right end of the ramp plate (4) is connected to the upper left end of the test bench (1).
6. A new energy vehicle power test stand as claimed in claim 5, characterized in that: A plurality of anti-slip rubber strips (6) are installed on the upper surface of the ramp (4), and guide plates (5) are installed at the front and rear ends of the ramp (4).
7. A new energy vehicle power test stand as claimed in claim 3, characterized in that: The front and rear ends of the lifting cavity are provided with guide grooves, the front and rear ends of the push plate (14) are fixedly installed with guide sliders (15), and the guide sliders (15) are slidably installed in the guide grooves. The front and rear ends of the top left end of the test bench (1) are fixedly installed with mounting columns (25), a steel rope (26) is fixedly installed between the two mounting columns (25), and a hook (27) is installed in the middle of the steel rope (26).
Citation Information
Patent Citations
New energy automobile test bench
CN217542414U