CN216050409U - Automobile wheel end dragging torque measuring device - Google Patents
Automobile wheel end dragging torque measuring device Download PDFInfo
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- CN216050409U CN216050409U CN202122664568.1U CN202122664568U CN216050409U CN 216050409 U CN216050409 U CN 216050409U CN 202122664568 U CN202122664568 U CN 202122664568U CN 216050409 U CN216050409 U CN 216050409U
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Abstract
The utility model discloses a device for measuring dragging torque at the wheel end of an automobile, which comprises a frame body, a tool box and a measuring mechanism, wherein the measuring mechanism and the tool box are fixed on the frame body; the measuring mechanism comprises a motor connected with the controller, a torque sensor connected with the motor, a connecting rod connected with the torque sensor and a clamp connected with the connecting rod, and the clamp is connected with the automobile wheel; the tool box is arranged at the end part of the motor, the motor is fixed on the frame body, and the bottom end of the frame body is provided with the idler wheels. The device for measuring the dragging torque at the wheel end of the automobile with the structure does not need to disassemble the tire, is simple and convenient to operate, low in cost and short in test period, and is accurate in side view data and standard in test method.
Description
Technical Field
The utility model relates to the technical field of automobile wheels, in particular to an automobile wheel end dragging torque measuring device.
Background
Drag torque of the brake system: when the brake pressure is released, the residual brake disc rotates the resisting moment. The dragging torque at the wheel end of the automobile is an important index in the design process of the automobile, the energy consumption of the whole automobile can be influenced by the excessive dragging torque, and the dragging torque mainly comprises the following components: brake caliper drag torque, hub unit drag force, drive shaft drag force, and the like; the test and analysis of the dragging torque at the wheel end of the automobile are indispensable links in the automobile design.
The currently common wheel end dragging torque measuring method comprises the following steps: firstly, a drum test bed adopts a drum-dragging vehicle for testing, and the test data volume is large and accurate; but the operation is complex, the cost is high, the investment is large, and the test period is long; measuring the torque wrench. When the automobile is in a lifting state, one end of a torque wrench is sleeved on the hub unit to drive the wheels to rotate and read data. The method is simple, but the test data is not accurate, and the drag force at a fixed rotating speed cannot be measured. ③ tension meter. And winding a wire through the wheel end, and pulling the tire by using a tension meter, wherein the tension value is the tire radius and is the dragging moment. When the method is used for testing, the rotating speed of the tire is not suitable for being controlled, only the starting torque can be tested, and the dragging torque at a fixed rotating speed cannot be measured. In view of the above, it is necessary to design a device for measuring the dragging torque at the wheel end of a vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for measuring the dragging torque at the wheel end of an automobile, which does not need to disassemble a tire, is simple and convenient to operate, low in cost and short in test period, and has accurate side view data and a standard test method.
In order to achieve the aim, the utility model provides a device for measuring the dragging torque at the wheel end of an automobile, which comprises a frame body, a tool box and a measuring mechanism, wherein the measuring mechanism and the tool box are both fixed on the frame body, and a controller is arranged on the frame body;
the measuring mechanism comprises a motor connected with the controller, a torque sensor connected with the motor, a connecting rod connected with the torque sensor and a clamp connected with the connecting rod, and the clamp is connected with the automobile wheel;
the tool box is arranged at the end part of the motor, the motor is fixed on the frame body, and the bottom end of the frame body is provided with the idler wheels.
Preferably, the support body comprises a support plate and support legs arranged at four corners of the support plate, and the support legs are fixedly connected with the support plate.
Preferably, the roller is fixed to the bottom end of the leg.
Preferably, the connecting rod is of a rectangular parallelepiped structure.
Preferably, the clamp is a sleeve clamp, the sleeve clamp includes a clamp sleeve connected to the free end of the connecting rod, and the clamp sleeve is connected to a bolt in the center of the tire.
Preferably, the clamp is a combined clamp, the combined clamp comprises a combined plate connected with the free end of the connecting rod, a combined rod arranged around the outer side surface of the combined plate and a combined sleeve connected with the free end of the combined rod, and the combined sleeve is connected with the hub nut.
Therefore, the device for measuring the dragging torque at the wheel end of the automobile with the structure does not need to disassemble the tire, is simple and convenient to operate, low in cost and short in test period, and is accurate in side view data and standard in test method.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a device for measuring a dragging torque at a wheel end of an automobile according to the present invention;
FIG. 2 is a side view of an embodiment 1 of a device for measuring a drag torque at a wheel end of a vehicle according to the present invention;
FIG. 3 is a schematic view of the installation of embodiment 1 of the device for measuring the dragging torque at the wheel end of the automobile;
FIG. 4 is a schematic structural diagram of an embodiment 2 of the device for measuring the dragging torque at the wheel end of the automobile according to the present invention;
FIG. 5 is a side view of an embodiment 2 of a device for measuring the drag torque at the wheel end of a vehicle according to the present invention;
fig. 6 is an installation schematic diagram of an embodiment 2 of the device for measuring the dragging torque at the wheel end of the automobile.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1
Fig. 1 is a schematic structural diagram of an embodiment 1 of a device for measuring a dragging torque at a wheel end of a vehicle, fig. 2 is a side view of the embodiment 1 of the device for measuring a dragging torque at a wheel end of a vehicle, fig. 3 is a schematic installation diagram of the embodiment 1 of the device for measuring a dragging torque at a wheel end of a vehicle, as shown in the drawings, the device for measuring a dragging torque at a wheel end of a vehicle provided by the utility model comprises a frame body 1, a tool box 2 and a measuring mechanism 3, wherein the measuring mechanism 3 and the tool box 2 are both fixed on the frame body 1, the tool box is used for storing a clamp, and the frame body 1 is provided with a controller 4 for setting a test condition, controlling a motor motion mode and receiving and processing a torque sensor signal. The measuring mechanism 3 comprises a motor 31 connected with the controller 4, a torque sensor 32 connected with the motor 31, a connecting rod 33 connected with the torque sensor 32 and a clamp connected with the connecting rod 33, the torque sensor is connected with the output end of a rotating shaft of the motor and used for detecting the starting moment and the towing moment of the wheel in the rotating process, and the motor is used for driving the wheel to rotate. The connecting rod 33 is provided in a rectangular parallelepiped structure. The clamp is connected with the automobile wheel; the clamp is a sleeve clamp comprising a clamp sleeve 34 connected to the free end of the connecting rod 33, the clamp sleeve 34 being connected to a bolt in the centre of the tyre. Toolbox 2 sets up the tip at motor 31, and motor 31 fixes on support body 1, and the bottom of support body 1 is provided with gyro wheel 5. The support body 1 comprises a support plate 11 and support legs 12 arranged at four corners of the support plate 11, wherein the support legs 12 are fixedly connected with the support plate 11. The rollers 5 are fixed to the bottom ends of the legs 12.
Example 2
The utility model provides a device for measuring dragging torque at an automobile wheel end, which comprises a frame body 1, a tool box 2 and a measuring mechanism 3, wherein the measuring mechanism 3 and the tool box 2 are both fixed on the frame body 1, and a controller 4 is arranged on the frame body 1. The measuring mechanism 3 comprises a motor 31 connected with the controller 4, a torque sensor 32 connected with the motor 31, a connecting rod 33 connected with the torque sensor 32 and a clamp connected with the connecting rod 33, wherein the connecting rod 33 is of a cuboid structure. The clamp is connected with the automobile wheel; the clamp is a combined clamp, the combined clamp comprises a combined plate 35 connected with the free end of the connecting rod 33, a combined rod 36 arranged around the outer side face of the combined plate 35 and a combined sleeve 37 connected with the free end of the combined rod 36, and the combined sleeve 37 is connected with the hub nut. Toolbox 2 sets up the tip at motor 31, and motor 31 fixes on support body 1, and the bottom of support body 1 is provided with gyro wheel 5. The support body 1 comprises a support plate 11 and support legs 12 arranged at four corners of the support plate 11, wherein the support legs 12 are fixedly connected with the support plate 11. The rollers 5 are fixed to the bottom ends of the legs 12.
According to the tire assembly scheme, a sleeve clamp or a combined clamp is selected, a vehicle is lifted to enable a wheel to be in a free state, the height of the vehicle is adjusted to enable a wheel center to be horizontal to the center of the device, a hand brake is released, the clamp is connected to a wheel center nut or a wheel hub nut, a test mode is set by using a controller, and the controller can collect real-time measurement data and generate waveforms in the test process. The controller can be used for setting various test modes, so that the starting resisting moment can be tested, and the dragging moment at different rotating speeds can be tested.
Starting torque measurement: and a starting torque test mode is set, the motor drives the wheel end to rotate, and the controller automatically records the resistance torque when the wheel end is started.
And (3) measuring the fixed rotating speed dragging torque: and setting a fixed rotating speed test mode, setting a test target rotating speed, driving the wheels to rotate to the target rotating speed by the motor, and automatically recording the wheel end dragging torque by the controller after the rotating speed is stable.
Measuring dragging torque under a self-defined working condition: and setting a working condition mode, setting a target rotating speed upper limit and a rotating speed step length, controlling the automatic motor to operate at each target rotating speed by the controller, and recording test data.
Therefore, the device for measuring the dragging torque at the wheel end of the automobile with the structure does not need to disassemble the tire, is simple and convenient to operate, low in cost and short in test period, and is accurate in side view data and standard in test method.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a car wheel end dragging torque measuring device which characterized in that:
the tool box measuring device comprises a frame body, a tool box and a measuring mechanism, wherein the measuring mechanism and the tool box are fixed on the frame body, and a controller is arranged on the frame body;
the measuring mechanism comprises a motor connected with the controller, a torque sensor connected with the motor, a connecting rod connected with the torque sensor and a clamp connected with the connecting rod, and the clamp is connected with the automobile wheel;
the tool box is arranged at the end part of the motor, the motor is fixed on the frame body, and the bottom end of the frame body is provided with the idler wheels.
2. The apparatus for measuring the drag torque at the wheel end of the vehicle as claimed in claim 1, wherein: the support body includes the backup pad and sets up the landing leg in backup pad four corners department, the landing leg with backup pad fixed connection.
3. The apparatus for measuring the drag torque at the wheel end of the vehicle as claimed in claim 2, wherein: the roller is fixed at the bottom end of the supporting leg.
4. The apparatus of claim 3, wherein: the connecting rod is of a cuboid structure.
5. The apparatus of claim 4, wherein: the fixture is a sleeve fixture, the sleeve fixture comprises a fixture sleeve connected with the free end of the connecting rod, and the fixture sleeve is connected with a bolt at the center of the tire.
6. The apparatus of claim 4, wherein: the fixture is a combined fixture which comprises a combined plate connected with the free end of the connecting rod, combined rods arranged around the outer side face of the combined plate and a combined sleeve connected with the free end of the combined rods, and the combined sleeve is connected with the hub nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122664568.1U CN216050409U (en) | 2021-11-02 | 2021-11-02 | Automobile wheel end dragging torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122664568.1U CN216050409U (en) | 2021-11-02 | 2021-11-02 | Automobile wheel end dragging torque measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216050409U true CN216050409U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122664568.1U Active CN216050409U (en) | 2021-11-02 | 2021-11-02 | Automobile wheel end dragging torque measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216050409U (en) |
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2021
- 2021-11-02 CN CN202122664568.1U patent/CN216050409U/en active Active
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