KR20160114989A - Reliability test equipment of pulley for vehicle - Google Patents

Reliability test equipment of pulley for vehicle Download PDF

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Publication number
KR20160114989A
KR20160114989A KR1020150041582A KR20150041582A KR20160114989A KR 20160114989 A KR20160114989 A KR 20160114989A KR 1020150041582 A KR1020150041582 A KR 1020150041582A KR 20150041582 A KR20150041582 A KR 20150041582A KR 20160114989 A KR20160114989 A KR 20160114989A
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KR
South Korea
Prior art keywords
pulley
shaft
vehicle
gear
pinion
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KR1020150041582A
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Korean (ko)
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KR101682900B1 (en
Inventor
신희증
박동규
김춘래
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(주)동하정밀
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Priority to KR1020150041582A priority Critical patent/KR101682900B1/en
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Publication of KR101682900B1 publication Critical patent/KR101682900B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0421—Electric motor acting on or near steering gear
    • B62D5/0424—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/023—Power-transmitting endless elements, e.g. belts or chains
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

[0001] The present invention relates to a reliability test apparatus for a vehicle pulley, and more particularly to a reliability test apparatus for a vehicle pulley. More specifically, the present invention relates to a reliability test apparatus for a vehicle pulley, A motor driving unit having a link connected at one end to an upper surface edge of the cam, an LM block having one end connected to the other end of the link, an LM guide mounted on the upper surface of the LM block, and a rack fixed to the upper surface of the LM block, A torque sensor mounted on an outer periphery of the pinion shaft and having a concave groove formed at an edge portion thereof, a photosensor provided at one side of the rotation plate, a torque sensor connected to an end of the pinion shaft, A testing pulley connected to the driving pulley by a belt, a rotating shaft having a testing pulley at one end and a first pulley at the other end, and a belt connected to the first pulley And a pulley driving unit having a powder brake mounted with a second pulley and a second pulley.
According to the present invention, even if the material of the pulley is changed to aluminum, comparison of whether or not the original stiffness and the load value of the pulley made of the conventional steel material is maintained can be made, thereby making it possible to reduce the weight of the vehicle, Cost reduction can be achieved.

Description

Technical Field [0001] The present invention relates to a reliability test apparatus for a pulley for a vehicle,

The present invention relates to a pulley reliability test apparatus, and more particularly to a reliability test apparatus for a vehicle pulley capable of testing the reliability of a driven pulley for an electric power steering apparatus of an automobile.

Generally, automobiles include crankshaft, water pump, air conditioner compressor (compressor), generator and hydraulic device for power handle, which receive the rotational power of engine, and belt pulley There are bearing type belt pulleys and direct type belt pulleys according to the purpose of these pulleys.

Here, since there is no direct-coupled pulley bearing in the pulley of the automobile, it is structurally simple.

On the other hand, the power steering apparatus of a vehicle functions to assist the steering force so that the driver can steer even when the driver is steering.

Among these power steering devices, an electric power steering device (EPS) is used in which a steering assist force is assisted by a rotational torque of a motor.

The electric power steering apparatus detects the steering force of the driver and rotates the motor so as to assist the driver in a steering direction.

In other words, electric power steering provides a light and comfortable steering feeling at low speeds by driving the motor in accordance with the driving conditions of the vehicle sensed by the vehicle speed sensor and the steering torque sensor. At high speeds, And provides an optimum steering condition to the driver by allowing rapid steering in an emergency situation.

Such an electric power steering system is divided into a column drive system (C-EPS), a pinion drive system (PEPS) and a rack drive system (R-EPS) depending on the installation position of the motor.

Here, in the case of a belt type electric power steering apparatus that transmits the rotational force of a motor shaft through a timing belt among electric power steering apparatuses, a timing belt is used as means for connecting to a rack bar drive apparatus so that the rotational speed of the motor shaft is reduced.

On the other hand, when the driver rotates the steering wheel of the vehicle in the forward direction or the reverse direction, the steering actuator incorporated in the vehicle operates the rotary actuator, and the driving pulley connected to the rotary shaft of the rotary actuator rotates together.

When the drive pulley is rotated as described above, the driven pulley connected to the drive pulley is also rotated together with the driven pulley, and the screw inserted into the inner ring of the driven pulley rotates to move the steering link member forward or backward.

Accordingly, the rack gear formed on one side of the steering link member rotates and moves forward or backward, and the pinion gear engaged with the rack gear also rotates to control the steering force of the steering wheel connected to the pinion gear.

As described above, the rack type electric power steering device has an advantage that the fuel efficiency is improved because the steering device is controlled through the motor without using the engine power.

At this time, steel materials have been used for the purpose of long-time use and sufficient strength design of the drive pulley and the driven pulley in which the belt is caught.

However, in the case of a pulley made of steel, since the weight of the pulley is large due to the characteristics of the material, the steering force of the handle is reduced during operation of the vehicle, and a frictional sound is generated with the belt when the pulley is driven to rotate.

In recent years, studies have been actively conducted to apply aluminum and plastic materials to pulley materials with the aim of facilitating manufacturing process while maintaining the existing rigidity, reducing the weight of the vehicle, improving the steering force, reducing the noise and reducing the cost. to be.

Korean Registered Patent No. 10-0672997 (published on Jan. 24, 2007)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a vehicle pulley which can compare whether a pulley made of a conventional steel material has inherent rigidity and a load value even if the material of the pulley is changed to aluminum. And a reliability test apparatus of the present invention.

According to an aspect of the present invention, there is provided a servomotor comprising a servomotor having a speed reducer, a disc cam having a shaft at a center thereof to be connected to an end of the reducer shaft, A LM block having one side connected to the other end of the link, an LM guide having the LM block mounted on an upper surface thereof, and a rack fixed to an upper surface of the LM block, And a torque sensor connected to an end of the pinion shaft, wherein the pinion shaft is coupled to the pinion shaft, a rotatable plate mounted on an outer periphery of the pinion shaft and having a concave groove formed at an edge thereof, a photosensor provided at one side of the rotation plate, A test pulley connected to one end of the torque sensor, a test pulley connected to the drive pulley by a belt, a test pulley mounted at one end and a first end equipped with a first pulley And a pulley drive having a shaft, a second pulley connected to the first pulley by a belt, and a powder brake mounted with the second pulley.

And a power transmission member having a first gear meshed with the rack and a second gear meshed with the first gear, the second gear meshed with the first gear, the second gear being located behind the first gear and integrally formed with the first gear .

And a cylinder in which an end of the pinion shaft is received at a predetermined depth.

The decelerator and the disc cam are axially joined to each other by a first coupling.

And the pinion and the torque sensor are axially joined to each other by a second coupling.

And the torque sensor and the drive pulley are axially joined to each other by a third coupling.

The present invention can reduce the weight of the vehicle, improve the steering performance, reduce the noise, and reduce the cost by comparing the original stiffness and the load value of the pulley made of the conventional steel material even if the material of the pulley is changed to aluminum There is an effect that can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, And shall not be construed as interpretation.
1 is a perspective view showing a reliability testing apparatus for a vehicle pulley according to an embodiment of the present invention,
2 is a plan view showing a reliability test apparatus for a vehicle pulley according to an embodiment of the present invention,
3 is a front view showing a reliability testing apparatus for a vehicle pulley according to an embodiment of the present invention,
4 to 7 are partial perspective views showing a reliability test apparatus for a vehicle pulley according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a reliability testing apparatus for a vehicle pulley according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a reliability testing apparatus for a vehicle pulley according to an embodiment of the present invention, FIG. 2 is a plan view showing a reliability testing apparatus for a vehicle pulley according to an embodiment of the present invention, FIG. 4 is a partial perspective view showing a reliability test apparatus for a vehicle pulley according to an embodiment of the present invention. FIG. 4 is a partial perspective view showing a reliability test apparatus for a vehicle pulley according to an embodiment of the present invention.

1 to 4, an apparatus for testing reliability of a vehicle pulley according to a preferred embodiment of the present invention includes a motor driving unit 100 and a pulley driving unit 200, which will be described in detail below.

The motor driving unit 100 includes a servomotor 110, a speed reducer 120, a disc cam 130, a link 140, an LM block 150, an LM guide 160, and a rack 170.

The servo motor 110 is provided with a speed reducer 120 and the speed reducer 120 is provided with a speed reducer shaft 121 on one side.

The disc cam 130 has a disc cam shaft 131 at the center of the lower surface thereof and the reducer shaft 121 and the disc cam shaft 131 are axially joined to each other by a first coupling 180. That is, when the servo motor 110 is driven, the speed reducer shaft 121 provided in the speed reducer 120 rotates in one direction, thereby rotating the disk cam shaft 131 connected to the speed reducer shaft 121 , The disk cam 130 also rotates.

One end of the link 140 is connected to the edge portion of the disc cam 130 and the other end is connected to one end of the LM block 150.

Here, the LM block 150 is mounted on the upper surface of the LM guide 160 and slides while reciprocating along the longitudinal direction of the LM guide 160.

At this time, a rack 170 is fixed to the upper surface of the LM block 150 in a longitudinal direction of the LM block 150.

That is, when the disc cam 130 is rotated in one direction, the circular motion is converted into linear motion by the link 140 provided between the disc cam 130 and the LM block 150, and the LM guide 160 The LM block 150 is reciprocated along the longitudinal direction of the LM guide 160. As shown in FIG.

The pulley drive unit 200 includes a pinion 210, a rotation plate 220, a photosensor 230, a torque sensor 240, a drive pulley 250, a test pulley 261, a first pulley 262, 260, a second pulley 271, and a powder brake 270.

The pinion 210 is gear-meshed with the rack 170 and rotated in the forward and reverse directions in accordance with the reciprocating motion of the rack 170.

Here, the pinion 210 is provided with a pinion shaft 211, that is, the pinion 210 is mounted on one end of the pinion shaft 211.

The rotation plate 220 is mounted on the outer diameter of the pinion shaft 211 and rotates when the pinion shaft 211 rotates. The rotary plate 220 has a concave groove 221 at an edge thereof.

A power connection member 190 may be further provided between the rack 170 and the pinion 210.

The power connecting member 190 includes a first gear 191 and a second gear 192. The first gear 191 and the second gear 192 are integrally formed.

The second gear 192 is larger in diameter than the first gear 191. The first gear 191 is meshed with the rack 170 and the second gear 192 Is located at the rear of the first gear 191 and meshes with the pinion 210.

In other words, the pinion 210 is not directly meshed with the rack 170 but the linear motion of the rack 170 is transmitted to the pinion 210 via the power connecting member 190.

5 and 6, the pinion shaft 211 further includes a cylinder 212 receiving an end of the pinion shaft 211 at a predetermined depth.

That is, by inserting the pinion shaft 211 into the cylinder 212 at a predetermined depth, the length of the pinion shaft 211 can be shortened or long.

Referring to FIG. 7, the photosensor 230 is located at one side of the rotation plate 220. The light emitting portion and the light receiving portion of the photosensor 230 are respectively positioned on the other surface of the rotating plate 220. When the rotating plate 220 is rotated, light emitted from the light emitting portion is formed on the rotating plate 220 Is passed through the groove 221 and input to the light receiving unit, whereby the number of revolutions, that is, RPM can be measured.

The torque sensor 240 has a first shaft and a second shaft at both ends thereof. The first shaft of the torque sensor 240 is connected to the end of the pinion shaft 211, They are axially joined together.

The driving pulley 250 is provided with a driving pulley shaft 251 and the driving pulley 250 is provided at one end of the driving pulley shaft 251.

The second shaft of the torque sensor 240 is connected to the other end of the driving pulley shaft 251 and is axially coupled to each other by the third coupling 290.

The rotating shaft 260 is located on the upper side of the driving pulley shaft 251 and a test pulley 261 connected to the driving pulley 250 by a belt 263 is mounted at one end, 262 are mounted.

At this time, the test pulley 261 is a driven pulley for an electric power steering apparatus for a vehicle, and is detachably mounted on the rotating shaft 260.

The powder brake 270 is disposed at an upper portion of the rotating shaft 260 and includes a second pulley 271. The second pulley 271 is rotatably supported by the first pulley 271 mounted on the other end of the rotating shaft 260, And is connected to a belt 262 by a belt 273.

Hereinafter, the operation of the reliability test apparatus for a vehicle pulley according to the embodiment of the present invention will be described.

First, a test pulley 261, which is a driven pulley for an automotive electric power steering device, is mounted on one end of the rotating shaft 260, and the test pulley 261 and the drive pulley 250 are connected to each other by a belt 263.

Then, the power coupling member 190 is installed so that the first gear 191 of the power coupling member 190 can be meshed with the rack 170.

The pinion shaft 211 is projected outward from the cylinder 212 so that the pinion 210 meshes with the second gear 192 of the power connecting member 190. [

When the disk cam 130 is rotated in one direction by applying power to the servo motor 110, the LM block 150 having the rack 170 on the upper surface thereof is moved along the longitudinal direction of the LM guide 160 Slide back and forth.

The pinion 210 meshed with the rack 170 rotates forward and backward in accordance with the linear reciprocating motion of the LM block 150.

The rotation of the pinion shaft 211 also rotates in the forward and reverse directions and the rotation plate 220 provided on the pinion shaft 211 is also rotated in the forward and reverse directions and the photosensor 230 provided at one side of the rotation plate 220 rotates, The rotational speed of the rotor 220 is measured.

The rotating shaft 260 connected to the belt 273 by the powder brake 270 and the driving pulley 25 connected to the rotating shaft 260 by the belt 263 are also rotated in the forward and reverse directions.

Since the rotational resistance is forcibly generated by the powder brake 270, it is possible to measure the twist degree or deformation of the power transmitting shaft through the torque sensor 240. [

That is, the torque value sensed by the torque sensor 240 according to the rotation speed obtained through the photosensor 230 is calculated based on the inherent rigidity and load value of the pulley made of the existing steel material, And the resultant value obtained by the test can be compared.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And such variations and modifications are intended to fall within the scope of the appended claims.

100:
110: Servo motor
120: Reducer
121: Reducer shaft
130: disc cam
131: disc cam shaft
140: Link
150: LM block
160: LM Guide
170: Rack
180: first coupling
190: power connection member
191: First gear
192: second gear
200: Pulley drive
210: pinion
211: Pinion shaft
212: cylinder
220: Spindle
221: Home
230: Photo sensor
240: Torque sensor
250: Driving pulley
251: Driving pulley shaft
260:
261: Test pulley
262: First pulley
263, 273: belt
270: Powder brake
271: Second pulley
280: second coupling
290: third coupling

Claims (6)

A disc cam having a shaft at its center so as to be connected to an end of the reduction gear shaft; a link having one end connected to an upper edge of the disc cam; A motor driver having a LM block having one side connected to the LM block, an LM guide having the LM block mounted on the upper surface thereof, and a rack fixed to the upper surface of the LM block; And
And a torque sensor connected to an end of the pinion shaft, wherein the pinion shaft is coupled to the pinion shaft, a rotatable plate mounted on an outer periphery of the pinion shaft and having a concave groove formed at an edge thereof, a photosensor provided at one side of the rotation plate, A test pulley connected to one end of the torque sensor; a test pulley connected to the drive pulley by a belt; a rotating shaft mounted at one end of the test pulley and having a first pulley mounted on the other end; And a pulley driving unit including a second pulley connected to the first pulley and a powder brake mounted on the second pulley. The method according to claim 1,
A first gear meshed with the rack,
Further comprising a power coupling member located at the rear of the first gear and having a second gear integrally formed with the first gear and meshing with the pinion. The method according to claim 1,
Further comprising a cylinder having an end of the pinion shaft received at a predetermined depth. The method according to claim 1,
Wherein the reduction gear and the disc cam are axially joined to each other by a first coupling. The method according to claim 1,
Wherein the pinion and the torque sensor are axially joined to each other by a second coupling. The method according to claim 1,
Wherein the torque sensor and the drive pulley are axially joined to each other by a third coupling.
KR1020150041582A 2015-03-25 2015-03-25 Reliability test equipment of pulley for vehicle KR101682900B1 (en)

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KR101682900B1 KR101682900B1 (en) 2016-12-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109540568A (en) * 2019-01-08 2019-03-29 北京市城市管理研究院（北京市环境卫生监测中心） The side driving device of sweep machine sweep performance test stand
CN110426147A (en) * 2019-08-14 2019-11-08 燕山大学 The device and method of deep groove ball bearing moment of friction are measured under gravity or microgravity
CN110470468A (en) * 2019-07-12 2019-11-19 昆明理工大学 A kind of bearing, gear testing testing stand
CN111024389A (en) * 2019-12-26 2020-04-17 广东省智能制造研究所 Harmonic reducer load testing device with electric energy feedback and method
CN114459927A (en) * 2021-11-12 2022-05-10 安徽德孚转向系统股份有限公司 Torsion bar spring fatigue test device and method for automobile electric power steering gear

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001255240A (en) * 2000-03-14 2001-09-21 Marugo:Kk Performance test method for plastic gear and device for the method
KR100672997B1 (en) 2005-11-25 2007-01-24 (주) 미래테크 A checking device of compressor pulley for vehicle
KR100805080B1 (en) * 2006-05-23 2008-02-20 평화산업주식회사 Slip torque testing apparatus for damper pulley
KR100926545B1 (en) * 2008-01-11 2009-11-12 평화산업주식회사 Apparatus for testing a damper pulley
KR101278192B1 (en) * 2011-07-29 2013-06-27 주식회사 경신 Durability test equipiment of wiring-harness for engine room

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001255240A (en) * 2000-03-14 2001-09-21 Marugo:Kk Performance test method for plastic gear and device for the method
KR100672997B1 (en) 2005-11-25 2007-01-24 (주) 미래테크 A checking device of compressor pulley for vehicle
KR100805080B1 (en) * 2006-05-23 2008-02-20 평화산업주식회사 Slip torque testing apparatus for damper pulley
KR100926545B1 (en) * 2008-01-11 2009-11-12 평화산업주식회사 Apparatus for testing a damper pulley
KR101278192B1 (en) * 2011-07-29 2013-06-27 주식회사 경신 Durability test equipiment of wiring-harness for engine room

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109540568A (en) * 2019-01-08 2019-03-29 北京市城市管理研究院（北京市环境卫生监测中心） The side driving device of sweep machine sweep performance test stand
CN109540568B (en) * 2019-01-08 2024-01-26 北京市城市管理研究院（北京市环境卫生监测中心） Side driving device of road sweeper cleaning performance test bed
CN110470468A (en) * 2019-07-12 2019-11-19 昆明理工大学 A kind of bearing, gear testing testing stand
CN110426147A (en) * 2019-08-14 2019-11-08 燕山大学 The device and method of deep groove ball bearing moment of friction are measured under gravity or microgravity
CN110426147B (en) * 2019-08-14 2020-10-09 燕山大学 Device and method for measuring friction torque of deep groove ball bearing under gravity or microgravity
CN111024389A (en) * 2019-12-26 2020-04-17 广东省智能制造研究所 Harmonic reducer load testing device with electric energy feedback and method
CN114459927A (en) * 2021-11-12 2022-05-10 安徽德孚转向系统股份有限公司 Torsion bar spring fatigue test device and method for automobile electric power steering gear
CN114459927B (en) * 2021-11-12 2023-11-28 安徽德孚转向系统股份有限公司 Torsion bar spring fatigue test device and test method for automobile electric power steering gear

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