Limit speed testing structure for electric tricycle
By introducing pressurized components into the electric tricycle limit speed test structure, the friction of the electric tricycle wheel when running on the ground is simulated, the problem of inaccurate test data in the prior art is solved, and more accurate limit speed measurement is achieved.
Patent Information
- Application Number
- CN202421767837.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing electric tricycle extreme speed test structure cannot simulate the friction of electric tricycle wheels when they run on the ground in real time, resulting in inaccurate test data.
An electric three-wheel extreme speed test structure is designed, including a bottom frame, a speed measuring wheel shaft, a display controller, a positioning assembly, a pressurization assembly and a push-up assembly. The friction pressure is increased by contacting the wheel surface by pressurizing the assembly, which simulates the friction between the wheel and the ground.
Accurate measurement of the limit speed of electric tricycles is achieved, and the reliability of test data is improved.
Smart Images

Figure CN222896178U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric tricycle extreme speed testing, in particular to an electric tricycle extreme speed testing structure. Background Art
[0002] Electric tricycles have the advantages of strong applicability, maneuverability, simple maintenance, easy repair, and low price. They can flexibly travel on narrow roads and are widely used in short-distance transportation fields such as families, urban and rural areas, individual rentals, factory areas, mining areas, sanitation, and community cleaning. After the production of electric tricycles is completed, the speed of the tricycles needs to be measured to measure the performance of the electric tricycles and ensure future driving safety.
[0003] At present, a Chinese utility model with announcement number: CN208833794U discloses a speed measuring device for the production of electric tricycles. This utility model discloses a speed measuring device for the production of electric tricycles, including a base plate, a speed measuring plate, a moving wheel, and a driving plate. A wheel frame is arranged under the base plate, the moving wheel is arranged under the wheel frame, a first electric hydraulic cylinder is arranged above the wheel frame, the speed measuring plate is arranged above the base plate, the driving plate is arranged at the front and rear of the speed measuring plate, a first slide rail is arranged above the speed measuring plate, and a second electric hydraulic cylinder is arranged on the side of the first slide rail. The beneficial effects are: the utility model has a compact structure and a reasonable design, can effectively measure the speed of the electric tricycle, requires a small operating area, can be implemented in a production plant, the devices are all electrically automated, and workers only need to operate various buttons to make the speed measurement result more accurate, a second electric hydraulic cylinder and a rubber protective pad are arranged, the vehicle is stably lifted up, and no shaking will occur to affect the measurement.
[0004] Although the existing electric tricycle limit speed test structure can detect the space-time limit speed of the electric tricycle after the electric tricycle is in place and continuously accelerated, it is unable to increase the friction pressure on the wheels of the running electric tricycle, thereby unable to simulate the friction of the electric tricycle wheels on the ground in real time, and thus unable to guarantee the accuracy of its test data, which is not conducive to use. Utility Model Content
[0005] The utility model provides an electric tricycle limit speed test structure, aiming to solve the problem that the existing electric tricycle limit speed test structure can detect the space-time limit speed of the electric tricycle after the electric tricycle is in place and continuously accelerated, but it cannot increase the friction pressure of the wheels of the electric tricycle in operation, thereby failing to simulate the friction of the electric tricycle wheels on the ground in real time, and further failing to ensure the accuracy of the test data, which is not conducive to use.
[0006] The utility model is implemented as follows: an electric three-wheeled limit speed test structure comprises a bottom frame, the front side and the rear side of the bottom frame are respectively bolted with an upper plate and a lower plate, the front side of the top of the bottom frame is provided with a groove, a speed measuring axle device is arranged in the middle of the groove, a display controller is arranged on the rear side of the left side of the bottom frame, the display controller is electrically connected with the speed measuring axle device, a positioning component is arranged on the rear side of the top of the bottom frame, a pressurizing component is arranged on the front side and the rear side of the groove, the pressurizing component is located on the outer side of the top of the speed measuring axle device, a push-up component is arranged on the bottom side of the bottom frame, and the push-up component is located in the middle of the bottom of the speed measuring axle device;
[0007] The pressurizing assembly includes a fixed block, an electric push rod, a push plate and a pressurizing pad, the fixed blocks are bolted to the front and rear sides of the top of the bottom frame respectively, the fixed blocks are located at the front and rear sides of the groove respectively, the electric push rod is embedded in both sides of the inner side of the fixed block respectively, the push plate is bolted to the telescopic end of the electric push rod, the pressurizing pad is bolted to the inner side of the push plate, the pressurizing pads are located at the front and rear sides of the inner side of the groove respectively, and the pressurizing pad is located on the outer side of the top of the speed measuring wheel shaft device.
[0008] In order to achieve the effect of positioning the electric tricycle when it reaches the limit speed, as a preferred electric tricycle limit speed test structure of the utility model, the positioning assembly includes a sliding groove, a motor, a bidirectional screw rod, a movable plate and a positioning plate, the sliding grooves are respectively opened on both sides of the rear side of the top of the bottom frame, the motor is bolted to the rear side of the left side of the bottom frame, the output end of the motor passes through the left side of the bottom frame, the left side of the bidirectional screw rod is bolted to the output end of the motor, the right side of the bidirectional screw rod is rotatably connected to the right side inside the bottom frame, the movable plate is slidably connected to the inside of the sliding groove, the rear side movable plate is respectively threadedly connected to both sides of the surface of the bidirectional screw rod, and the positioning plate is bolted to the inner side of the movable plate.
[0009] In order to achieve the effect of lifting the rear wheels of the electric tricycle upward for use after detecting the maximum speed of the electric tricycle, a preferred electric tricycle maximum speed test structure of the utility model is that the push-up assembly includes a bearing plate, an electric telescopic rod and a rising plate, the bearing plate is bolted to the bottom side of the bottom frame, the electric telescopic rod is respectively bolted to both sides of the top of the bearing plate, the rising plate is bolted to the telescopic end of the electric telescopic rod, and the rising plate is located in the middle of the bottom of the speed measuring wheel axle.
[0010] In order to achieve a more stable effect when the front moving plate moves, as a preferred electric three-wheeled limit speed test structure of the utility model, a support rod is bolted to the right side of the bottom frame, and the left side of the support rod passes through the right side of the front moving plate and is bolted to the left side of the bottom frame.
[0011] In order to achieve a more secure effect when the positioning plate clamps and positions the front wheel of the electric tricycle, as a preferred electric tricycle limit speed test structure of the utility model, a reinforcement pad is bonded to the inner side of the positioning plate, and the reinforcement pad is made of rubber material.
[0012] In order to further enhance the anti-skid performance of the inner part of the reinforcement pad, as a preferred electric three-wheeled speed limit test structure of the utility model, the inner side of the reinforcement pad is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.
[0013] In order to further improve the moving efficiency and stability of the moving plate, as a preferred electric three-wheeled limit speed test structure of the utility model, the bottom of the moving plate is rotatably connected to a moving wheel, and the moving wheel is made of rubber material.
[0014] In order to achieve the effect of buffering and reinforcing when the rising plate pushes the rear wheel of the electric tricycle upward, as a preferred electric tricycle limit speed test structure of the utility model, a rubber pad is bonded to the top of the rising plate, and a reinforcement pattern is opened on the top of the rubber pad.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The electric tricycle limit speed test structure is provided with a bottom frame, an upper plate, a lower plate, a groove, a speed measuring axle, a display controller, a positioning component, a pressurizing component and an upward pushing component. The electric tricycle is driven to the top of the bottom frame through the upper plate, and the rear wheel of the electric tricycle is placed on the surface of the speed measuring axle inside the groove. Then, the positioning component on the rear side of the top of the bottom frame is started to clamp and position the front wheel of the electric tricycle. Then, the user controls the electric tricycle to accelerate to the limit, so that the rear wheel of the electric tricycle rotates on the surface of the speed measuring axle, so that the limit speed of the electric tricycle idling is displayed through the display controller, and then the user controls the electric tricycle to accelerate to the limit. By starting the electric push rod on the inside of the fixed block, the push plate and the pressure pad are pushed into the groove, so that the pressure pad contacts the surface of the rear wheel of the electric tricycle, thereby increasing the friction pressure of the wheel, thereby simulating the friction between the rear wheel of the electric tricycle and the ground, and then displaying it again on the display controller. Compared with the two, the speed measurement data of the electric tricycle after pressurization is more accurate. After the subsequent electric tricycle maximum speed test is completed, the positioning component returns to the initial position, and then the push-up component on the bottom side of the bottom frame pushes up the rear wheel of the electric tricycle, and then the electric tricycle passes through the lower plate and drives out of the top of the bottom frame for easy use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The figure is the overall structure diagram of the electric three-wheeled limit speed test structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the bottom frame of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the positioning component in the utility model;
[0020] Figure 4 It is a structural schematic diagram of the pressurizing component in the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the push-up assembly in the utility model;
[0022] Figure 6 It is a structural schematic diagram of the movable plate in the utility model.
[0023] In the figure, 1, bottom frame; 2, upper plate; 3, lower plate; 4, speed measuring wheel axle; 5, display controller; 6, positioning assembly; 601, sliding groove; 602, motor; 603, bidirectional screw rod; 604, moving plate; 605, positioning plate; 7, pressurizing assembly; 701, fixing block; 702, electric push rod; 703, push plate; 704, pressurizing pad; 8, push-up assembly; 801, bearing plate; 802, electric telescopic rod; 803, rising plate; 9, support rod; 10, reinforcement pad; 11, moving wheel; 12, rubber pad; 13, groove. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0026] See also Figure 1-6The utility model provides a technical solution: an electric three-wheeled limit speed test structure, including a bottom frame 1, the front and rear sides of the bottom frame 1 are bolted with an upper plate 2 and a lower plate 3 respectively, a groove 13 is provided on the front side of the top of the bottom frame 1, a speed measuring axle device 4 is arranged in the middle of the groove 13, a display controller 5 is arranged on the rear side of the left side of the bottom frame 1, the display controller 5 is electrically connected to the speed measuring axle device 4, a positioning component 6 is arranged on the rear side of the top of the bottom frame 1, a pressurizing component 7 is arranged on the front and rear sides of the groove 13, the pressurizing component 7 is located on the outer side of the top of the speed measuring axle device 4, a push-up component 8 is arranged on the bottom side of the bottom frame 1, and the push-up component 8 is located in the middle of the bottom of the speed measuring axle device 4;
[0027] The pressurizing assembly 7 includes a fixed block 701, an electric push rod 702, a push plate 703 and a pressurizing pad 704. The fixed block 701 is bolted to the front and rear sides of the top of the bottom frame 1 respectively, and the fixed block 701 is located at the front and rear sides of the groove 13 respectively. The electric push rod 702 is embedded in both sides of the inner side of the fixed block 701 respectively, and the push plate 703 is bolted to the telescopic end of the electric push rod 702. The pressurizing pad 704 is bolted to the inner side of the push plate 703. The pressurizing pad 704 is located at the front and rear sides of the groove 13 respectively, and the pressurizing pad 704 is located on the outer side of the top of the speed measuring wheel shaft device 4.
[0028] In this embodiment: by setting a bottom frame 1, an upper plate 2, a lower plate 3, a groove 13, a speed measuring axle 4, a display controller 5, a positioning component 6, a pressurizing component 7 and a pushing component 8, the electric tricycle is driven to the top of the bottom frame 1 through the upper plate 2, and the rear wheel of the electric tricycle is placed on the surface of the speed measuring axle 4 inside the groove 13, and then the positioning component 6 on the rear side of the top of the bottom frame 1 is started to clamp and position the front wheel of the electric tricycle, and then the user controls the electric tricycle to accelerate to the limit, so that the rear wheel of the electric tricycle rotates on the surface of the speed measuring axle 4, so that the limit speed of the idling of the electric tricycle is displayed through the display controller 5, and then the fixing block is started. The electric push rod 702 on the inside of 701 pushes the push plate 703 and the pressure pad 704 into the groove 13, so that the pressure pad 704 contacts the surface of the rear wheel of the electric tricycle, thereby increasing the friction pressure of the wheel, thereby simulating the friction between the rear wheel of the electric tricycle and the ground, and then displaying it again on the display controller 5. Compared with the two, the speed measurement data of the electric tricycle after pressurization is more accurate. After the subsequent electric tricycle maximum speed test is completed, the positioning component 6 returns to the initial position, and then the push-up component 8 on the bottom side of the bottom frame 1 pushes the rear wheel of the electric tricycle upward, and then the electric tricycle passes through the lower plate 3 and drives out of the top of the bottom frame 1 for easy use.
[0029] As a technical optimization solution of the utility model, the positioning component 6 includes a sliding groove 601, a motor 602, a bidirectional screw rod 603, a movable plate 604 and a positioning plate 605. The sliding groove 601 is respectively opened on both sides of the rear side of the top of the bottom frame 1, the motor 602 is bolted to the rear side of the left side of the bottom frame 1, the output end of the motor 602 passes through the left side of the bottom frame 1, the left side of the bidirectional screw rod 603 is bolted to the output end of the motor 602, the right side of the bidirectional screw rod 603 is rotatably connected to the right side inside the bottom frame 1, the movable plate 604 is slidably connected to the inside of the sliding groove 601, the rear side movable plate 604 is respectively threadedly connected to both sides of the surface of the bidirectional screw rod 603, and the positioning plate 605 is bolted to the inner side of the movable plate 604.
[0030] In this embodiment: by setting a sliding groove 601, a motor 602, a bidirectional screw rod 603, a movable plate 604 and a positioning plate 605, the motor 602 on the left side of the bottom frame 1 is started to drive the bidirectional screw rod 603 and drive the movable plates 604 located on both sides of the surface of the bidirectional screw rod 603 to drive the positioning plate 605 to clamp and position the front wheel of the electric tricycle, thereby avoiding the instability of the electric tricycle when measuring speed.
[0031] As a technical optimization solution of the utility model, the push-up assembly 8 includes a bearing plate 801, an electric telescopic rod 802 and a rising plate 803. The bearing plate 801 is bolted to the bottom side of the bottom frame 1, the electric telescopic rod 802 is bolted to both sides of the top of the bearing plate 801, and the rising plate 803 is bolted to the telescopic end of the electric telescopic rod 802. The rising plate 803 is located in the middle of the bottom of the speed measuring wheel axle 4.
[0032] In this embodiment: by setting a carrying plate 801, an electric telescopic rod 802 and a rising plate 803, after the electric tricycle limit speed test is completed, the positioning plate 605 returns to the initial position, and then the electric telescopic rod 802 on the top of the carrying plate 801 inside the bottom frame 1 cooperates with the rising plate 803 to push the rear wheel of the electric tricycle upward, and then the electric tricycle can be driven out of the top of the bottom frame 1 through the lower plate 3 for easy use.
[0033] As a technical optimization solution of the present invention, a support rod 9 is bolted to the right side of the bottom frame 1 , and the left side of the support rod 9 passes through the right side of the front movable plate 604 and is bolted to the left side of the bottom frame 1 .
[0034] In this embodiment, by providing the support rod 9, the front moving plate 604 can be made more stable when moving, so as to facilitate use.
[0035] As a technical optimization solution of the present invention, a reinforcement pad 10 is bonded to the inner side of the positioning plate 605, and the reinforcement pad 10 is made of rubber material.
[0036] In this embodiment, by providing the reinforcement pad 10, the positioning plate 605 can be made to clamp and position the front wheels of the electric tricycle more firmly, which is beneficial for use.
[0037] As a technical optimization solution of the present utility model, anti-slip patterns are provided on the inner side of the reinforcement pad 10, and the anti-slip patterns are in a grid shape.
[0038] In this embodiment, by providing anti-slip patterns in a grid shape on the inner side of the reinforcement pad 10, the anti-slip performance inside the reinforcement pad 10 can be further improved, which is beneficial for use.
[0039] As a technical optimization solution of the present utility model, a moving wheel 11 is rotatably connected to the bottom of the moving plate 604, and the moving wheel 11 is made of rubber material.
[0040] In this embodiment, by providing the moving wheel 11, the moving efficiency and stability of the moving plate 604 can be further improved, which is beneficial for use.
[0041] As a technical optimization solution of the present utility model, a rubber pad 12 is bonded to the top of the rising plate 803, and reinforcement patterns are provided on the top of the rubber pad 12.
[0042] In this embodiment, by providing the rubber pad 12, the rising plate 803 can be buffered and reinforced when pushing the rear wheels of the electric tricycle upward, which is beneficial for use.
[0043] Working principle: First, the electric tricycle passes through the upper plate 2 and moves to the top of the bottom frame 1, and the rear wheel of the electric tricycle is placed on the surface of the speed measuring axle 4 inside the groove 13, and then the motor 602 on the left side of the bottom frame 1 is started to drive the bidirectional screw rod 603 and drive the moving plates 604 on both sides of the surface of the bidirectional screw rod 603 to drive the positioning plate 605 to clamp and position the front wheel of the electric tricycle, so as to avoid the stability of the electric tricycle when measuring speed, and then the user controls the electric tricycle to accelerate to the limit, so that the rear wheel of the electric tricycle rotates on the surface of the speed measuring axle 4, so that the idling limit speed of the electric tricycle is displayed through the display controller 5, and then the electric motor on the inner side of the fixed block 701 is started. The push rod 702 pushes the push plate 703 and the pressure pad 704 into the groove 13, so that the pressure pad 704 contacts the surface of the rear wheel of the electric tricycle, thereby increasing the friction pressure of the wheel, thereby simulating the friction between the rear wheel of the electric tricycle and the ground, and then displaying it again on the display controller 5. Compared with the two, the speed measurement data of the electric tricycle after pressurization is more accurate. After the subsequent electric tricycle maximum speed test is completed, the positioning plate 605 returns to the initial position, and then the electric telescopic rod 802 on the top of the supporting plate 801 inside the bottom frame 1 cooperates with the rising plate 803 to push and lift the rear wheel of the electric tricycle upward, and then the electric tricycle can be driven out of the top of the bottom frame 1 through the lower plate 3 for easy use.
[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An electric tricycle speed limit test structure, comprising a bottom frame (1), characterized in that: The front and rear sides of the bottom frame (1) are bolted to an upper plate (2) and a lower plate (3) respectively; a groove (13) is provided on the front side of the top of the bottom frame (1); a speed measuring axle device (4) is arranged in the middle of the groove (13); a display controller (5) is arranged on the rear side of the left side of the bottom frame (1); the display controller (5) is electrically connected to the speed measuring axle device (4); a positioning component (6) is arranged on the rear side of the top of the bottom frame (1); a pressure component (7) is arranged on the front and rear sides of the groove (13); the pressure component (7) is located on the outer side of the top of the speed measuring axle device (4); a push-up component (8) is arranged on the bottom side of the bottom frame (1); the push-up component (8) is located in the middle of the bottom of the speed measuring axle device (4); The pressurizing assembly (7) comprises a fixed block (701), an electric push rod (702), a push plate (703) and a pressurizing pad (704); the fixed block (701) is bolted to the front side and the rear side of the top of the bottom frame (1), respectively; the fixed block (701) is located at the front side and the rear side of the groove (13), respectively; the electric push rod (702) is embedded in both sides of the inner side of the fixed block (701), respectively; the push plate (703) is bolted to the telescopic end of the electric push rod (702), the pressurizing pad (704) is bolted to the inner side of the push plate (703), the pressurizing pad (704) is located at the front side and the rear side of the inner side of the groove (13), respectively; and the pressurizing pad (704) is located at the outer side of the top of the speed measuring wheel shaft device (4).
2. The electric tricycle limit speed test structure according to claim 1, characterized in that: The positioning assembly (6) comprises a sliding groove (601), a motor (602), a bidirectional screw rod (603), a movable plate (604) and a positioning plate (605); the sliding groove (601) is respectively arranged on both sides of the rear side of the top of the bottom frame (1); the motor (602) is bolted to the rear side of the left side of the bottom frame (1); the output end of the motor (602) passes through the left side of the bottom frame (1); the left side of the bidirectional screw rod (603) is bolted to the output end of the motor (602); the right side of the bidirectional screw rod (603) is rotatably connected to the right side inside the bottom frame (1); the movable plate (604) is slidably connected to the inside of the sliding groove (601); the rear movable plate (604) is respectively threadedly connected to both sides of the surface of the bidirectional screw rod (603); and the positioning plate (605) is bolted to the inner side of the movable plate (604).
3. The electric tricycle limit speed test structure according to claim 1, characterized in that: The push-up assembly (8) includes a bearing plate (801), an electric telescopic rod (802) and a rising plate (803), wherein the bearing plate (801) is bolted to the bottom side of the bottom frame (1), the electric telescopic rod (802) is bolted to the two sides of the top of the bearing plate (801), respectively, and the rising plate (803) is bolted to the telescopic end of the electric telescopic rod (802), and the rising plate (803) is located in the middle of the bottom of the speed measuring wheel axle (4).
4. The electric tricycle limit speed test structure according to claim 1, characterized in that: A support rod (9) is bolted to the right side of the bottom frame (1), and the left side of the support rod (9) passes through the right side of the front movable plate (604) and is bolted to the left side of the bottom frame (1).
5. The electric tricycle limit speed test structure according to claim 2, characterized in that: A reinforcement pad (10) is bonded to the inner side of the positioning plate (605), and the reinforcement pad (10) is made of rubber material.
6. The electric tricycle limit speed test structure according to claim 5, characterized in that: The inner side of the reinforcement pad (10) is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.
7. The electric tricycle limit speed test structure according to claim 2, characterized in that: The bottom of the movable plate (604) is rotatably connected to a movable wheel (11), and the movable wheel (11) is made of rubber material.
8. The electric tricycle limit speed test structure according to claim 3, characterized in that: A rubber pad (12) is bonded to the top of the rising plate (803), and a reinforcement pattern is provided on the top of the rubber pad (12).
Citation Information
Patent Citations
Speed measuring device for electro-tricycle production
CN208833794U