CN215599319U

CN215599319U - Hub motor clutch durability testing device

Info

Publication number: CN215599319U
Application number: CN202121330773.8U
Authority: CN
Inventors: 徐洁航; 黄志晨; 吴舜翔
Original assignee: Jinhua Zhuoyuan Industry Co ltd
Current assignee: Jinhua Zhuoyuan Industry Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-21
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a durability testing device for a hub motor clutch, which adopts the technical scheme that the durability testing device comprises a detection table, a magnetic powder machine, a dynamic torque sensor, a servo motor and a control mechanism for regulating and controlling the magnetic powder machine and the servo motor, wherein the magnetic powder machine, the dynamic torque sensor and the servo motor are arranged on the detection table and can be in transmission connection with the clutch, the output end of the magnetic powder machine is in transmission connection with one end of the clutch, the dynamic torque sensor is provided with a transmission shaft penetrating through two opposite sides of the dynamic torque sensor, one end of the transmission shaft is in transmission connection with one end of the clutch, which is far away from the magnetic powder machine, the other end of the transmission shaft is provided with a swing arm, the output end of the servo motor is provided with a driving wheel, a driving arm is hinged between the driving wheel and the swing arm, one end of the swing arm is fixedly connected with the transmission shaft, the other end of the swing arm is hinged with one end of the driving arm, and the other end of the driving arm is eccentrically hinged with the driving wheel. The device can perform endurance fatigue test and strength impact test on the one-way clutch in the hub motor according to different torques.

Description

Hub motor clutch durability testing device

Technical Field

The utility model relates to the technical field of clutch testing equipment, in particular to a device for testing durability of a hub motor clutch.

Background

At present, the trade of the electric power-assisted bicycle per year is gradually increased, and a clutch in a hub motor belongs to a key part in a whole bicycle, so the service life and the reliability of the clutch are directly related to the service life and the safety of the motor. Therefore, endurance testing of the clutch is an indispensable step. At present, no reliable test equipment is available in the market for simulating different bearing torques to detect the clutch, so that a detector cannot accurately master the performance of the clutch.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a durability testing device for a clutch of an in-wheel motor, which can perform a durability fatigue test and a strength impact test on a one-way clutch in the in-wheel motor according to different torsion.

In order to achieve the purpose, the utility model provides the following technical scheme: a durability testing device for a hub motor clutch comprises a detection table for arranging the clutch, a magnetic powder machine, a dynamic torque sensor, a servo motor and a control mechanism for regulating the magnetic powder machine and the servo motor, wherein the magnetic powder machine, the dynamic torque sensor and the servo motor are arranged on the detection table and can be in transmission connection with the clutch, the control mechanism is used for regulating the magnetic powder machine and the servo motor, the output end of the magnetic powder machine is in transmission connection with one end of the clutch, a transmission shaft penetrating through two opposite sides of the dynamic torque sensor is arranged on the dynamic torque sensor, one end of the transmission shaft is in transmission connection with one end of the clutch, which is far away from the magnetic powder machine, the other end of the transmission shaft is provided with a swing arm, the output end of the servo motor is provided with a driving wheel, a driving arm is hinged between the driving wheel and the swing arm, one end of the swing arm is fixedly connected with the transmission shaft, the other end of the driving arm is hinged with the driving wheel, and the hinged position of the driving wheel is eccentrically arranged with the rotation center of the driving wheel, the servo motor drives the driving wheel to rotate, and the driving arm can drive the swing arm to swing back and forth around the transmission shaft.

The utility model is further configured to: control mechanism is including the regulation and control module that can regulate and control magnetic powder machine and servo motor and can show the display module of magnetic powder machine output torsion, dynamic torsion sensor is coupled with display module, can show through dynamic torsion sensor with the torsion of magnetic powder machine output through display module.

The utility model is further configured to: the output of magnetic powder machine is provided with the shaft coupling that is used for being connected with clutch one end transmission, can dismantle the inserted bar that fixedly connected with can insert in the jack of clutch one end on the shaft coupling, the lateral wall epirelief of inserted bar is equipped with the key piece with the keyway looks adaptation on the clutch jack inner wall.

The utility model is further configured to: the driving arm comprises a first articulated piece articulated with the driving wheel, a second articulated piece articulated with the swing arm, and a screw rod with two ends respectively screwed with the first articulated piece and the second articulated piece, and the screw rod can adjust the distance between the first articulated piece and the second articulated piece in the rotating process.

The utility model is further configured to: and a sensor for detecting the swinging times of the swing arm is arranged on the detection table.

In conclusion, the utility model has the following beneficial effects: the magnetic powder machine can lock and fix clutch one end, servo motor can drive the clutch other end of being examined through the actuating arm and be reciprocating motion and carry out the impact test, and control mechanism can regulate and control the different torsion of magnetic powder machine output and lock the clutch of being examined, also can regulate and control servo motor's rotational speed and length and test, consequently the device can accomplish to do endurance fatigue test and intensity impact test to the one-way clutch in the wheel hub motor according to different torsion for the performance of this clutch can accurately be mastered to the measurement personnel.

Drawings

FIG. 1 is a schematic perspective view of an in-wheel motor clutch durability testing apparatus;

FIG. 2 is a schematic perspective view of the dynamic torque sensor connected to the driving arm;

fig. 3 is a schematic perspective view of the coupling.

Reference numerals: 1. a detection table; 11. magnetic powder machine; 111. a coupling; 112. inserting a rod; 113. a key block; 12. a dynamic torque sensor; 121. a drive shaft; 122. swinging arms; 13. a servo motor; 131. a drive wheel; 14. a control mechanism; 15. a drive arm; 151. a first hinge member; 152. a second hinge member; 153. a screw connection rod; 16. a sensor; 2. a clutch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, an endurance testing device for a hub motor clutch comprises a detection table 1 for arranging a clutch 2, a magnetic powder machine 11, a dynamic torque sensor 12, a servo motor 13 and a control mechanism 14, wherein the magnetic powder machine 11, the dynamic torque sensor 12, the servo motor 13 and the control mechanism 14 are arranged on the detection table 1 and can be in transmission connection with the clutch 2, the control mechanism 14 is used for regulating and controlling the magnetic powder machine 11 and the servo motor 13, and the magnetic powder machine 11, the dynamic torque sensor 12, the servo motor 13 and the control mechanism 14 are all known technologies and adopt common designs; the output end of magnetic powder machine 11 is connected with the transmission of clutch 2 one end, be provided with the transmission shaft 121 that runs through its relative both sides on the dynamic torque sensor 12, transmission shaft 121 one end is connected with the transmission of clutch 2 one end of keeping away from magnetic powder machine 11, the other end of transmission shaft 121 is provided with swing arm 122, servo motor 13's output is provided with drive wheel 131, it has actuating arm 15 to articulate between drive wheel 131 and the swing arm 122, swing arm 122 one end and transmission shaft 121 fixed connection, the other end is articulated with actuating arm 15 one end, the actuating arm 15 other end is articulated with drive wheel 131, and the articulated department of actuating arm 15 and drive wheel 131 and the center of rotation eccentric settings of drive wheel 131, servo motor 13 drives drive wheel 131 and can drive swing arm 122 around transmission shaft 121 reciprocating swing through actuating arm 15 in the rotation process.

Magnetic powder machine 11 can lock and fix clutch 2 one end, servo motor 13 can drive the clutch 2 other end of being examined through drive arm 15 and be reciprocating motion and carry out the impact test, and control mechanism 14 can regulate and control magnetic powder machine 11 output different torsion and lock clutch 2 being examined, also can regulate and control servo motor 13's rotational speed and length of time and test, consequently the device can accomplish to do endurance fatigue test and intensity impact test to one-way clutch 2 in the wheel hub motor according to different torsion, make the measurement personnel can accurately master the performance of this clutch 2.

The control mechanism 14 comprises a regulation module capable of regulating the magnetic powder machine 11 and the servo motor 13 and a display module capable of displaying the torque output by the magnetic powder machine 11, the dynamic torque sensor 12 is coupled with the display module, and the torque output by the magnetic powder machine 11 can be displayed through the display module through the dynamic torque sensor 12. During the testing process, the torque output by the magnetic powder machine 11 can be displayed through the display module through the dynamic torque sensor 12, so that an inspector can visually know the torque borne by the clutch 2 and adjust the torque conveniently, and the control mechanism 14 can visualize all data through the display module and derive a test report.

The output of magnetic powder machine 11 is provided with the shaft coupling 111 that is used for being connected with the transmission of 2 one ends of clutch, can dismantle fixedly connected with on the shaft coupling 111 and can insert the inserted bar 112 in the jack of 2 one ends of clutch, and the lateral wall epirelief of inserted bar 112 is equipped with the key piece 113 with the keyway looks adaptation on the 2 jack inner walls of clutch. Because the both ends of clutch 2 are provided with the transmission hole respectively, conveniently realize the transmission of motor and gear train and be connected, a transmission hole can supply transmission shaft 121 to insert to accessible fastening screw realizes the transmission between the two and connects, and another transmission hole accessible inserted bar 112 realizes the transmission with key piece 113 and is connected, and this connected mode can conveniently realize the quick assembly disassembly of clutch 2, is favorable to improving clutch 2's detection efficiency.

In addition, it should be noted that the coupling 111 is a known technology, and a common design is adopted, the dual-diaphragm elastic coupling 111 can be selected, and when the output end of the magnetic powder machine 11 is in a rod-shaped structure, the coupling 111 can slide on the output rod along the length direction thereof, that is, the direction close to or far away from the transmission shaft 121, so that the clutch 2 can be conveniently and quickly disassembled and assembled without adjusting the moving magnetic powder machine 11, the dynamic torque sensor 12 and the servo motor 13, and the testing device can be suitable for testing the clutches 2 with different specifications and sizes, thereby being beneficial to improving the use flexibility and application range of the testing device.

The driving arm 15 includes a first hinge 151 hinged to the driving wheel 131, a second hinge 152 hinged to the swing arm 122, and a screw rod 153 having two ends respectively screwed to the first hinge 151 and the second hinge 152, wherein the screw rod 153 can adjust a distance between the first hinge 151 and the second hinge 152 during rotation. The screw rod that the both ends of spiro union pole 153 were provided with coaxial setting, be provided with the screw that supplies the screw rod spiro union on first articulated elements 151 and the second articulated elements 152 for the length dimension of actuating arm 15 can be regulated and control, and then can regulate and control swing arm 122 reciprocating swing's range, thereby be favorable to improving testing arrangement's the nimble degree of use and application scope.

The detection table 1 is provided with a sensor 16 for detecting the swing times of the swing arm 122, and the sensor 16 can be correspondingly arranged at one end of the detection table 1 corresponding to the swing track of the swing arm 122 and can be used for recording the detection times.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an endurance test device of in-wheel motor clutch which characterized by: comprises a detection table (1) for arranging a clutch (2), a magnetic powder machine (11) and a dynamic torque sensor (12) which are arranged on the detection table (1) and can be in transmission connection with the clutch (2), a servo motor (13) and a control mechanism (14) for regulating and controlling the magnetic powder machine (11) and the servo motor (13), wherein the output end of the magnetic powder machine (11) is in transmission connection with one end of the clutch (2), a transmission shaft (121) penetrating through two opposite sides of the dynamic torque sensor (12) is arranged on the dynamic torque sensor, one end of the transmission shaft (121) is in transmission connection with one end of the clutch (2) far away from the magnetic powder machine (11), the other end of the transmission shaft (121) is provided with a swing arm (122), the output end of the servo motor (13) is provided with a driving wheel (131), and a driving arm (15) is hinged between the driving wheel (131) and the swing arm (122), swing arm (122) one end and transmission shaft (121) fixed connection, the other end is articulated with drive arm (15) one end, the drive arm (15) other end is articulated with drive wheel (131) to the articulated department of drive arm (15) and drive wheel (131) sets up with the center of rotation off-centre of drive wheel (131), and servo motor (13) drive wheel (131) rotate the in-process can drive swing arm (122) around transmission shaft (121) reciprocal swing through drive arm (15).

2. The in-wheel motor clutch endurance testing apparatus of claim 1, wherein: the control mechanism (14) comprises a regulation module capable of regulating the magnetic powder machine (11) and the servo motor (13) and a display module capable of displaying the torque output by the magnetic powder machine (11), the dynamic torque sensor (12) is coupled with the display module, and the torque output by the magnetic powder machine (11) can be displayed through the display module through the dynamic torque sensor (12).

3. The in-wheel motor clutch endurance testing apparatus of claim 1, wherein: the output of magnetic powder machine (11) is provided with shaft coupling (111) that is used for being connected with clutch (2) one end transmission, can dismantle on shaft coupling (111) fixedly connected with and can insert inserted bar (112) in the jack of clutch (2) one end, the lateral wall epirelief of inserted bar (112) is equipped with key piece (113) with the keyway looks adaptation on clutch (2) jack inner wall.

4. The in-wheel motor clutch endurance testing apparatus of claim 1, wherein: the driving arm (15) comprises a first hinge piece (151) hinged with the driving wheel (131), a second hinge piece (152) hinged with the swing arm (122), and a threaded rod (153) with two ends respectively screwed with the first hinge piece (151) and the second hinge piece (152), and the threaded rod (153) can adjust the distance between the first hinge piece (151) and the second hinge piece (152) in the rotating process.

5. The in-wheel motor clutch endurance testing apparatus of claim 1, wherein: the detection table (1) is provided with a sensor (16) for detecting the swinging times of the swing arm (122).