CN102620933B - Device for measuring separating force efficiency of clutch - Google Patents

Device for measuring separating force efficiency of clutch Download PDF

Info

Publication number
CN102620933B
CN102620933B CN201210100400.0A CN201210100400A CN102620933B CN 102620933 B CN102620933 B CN 102620933B CN 201210100400 A CN201210100400 A CN 201210100400A CN 102620933 B CN102620933 B CN 102620933B
Authority
CN
China
Prior art keywords
clutch
mobile member
direction mobile
slot
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201210100400.0A
Other languages
Chinese (zh)
Other versions
CN102620933A (en
Inventor
李福贵
赖玉龙
张翼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC GM Wuling Automobile Co Ltd
Original Assignee
SAIC GM Wuling Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAIC GM Wuling Automobile Co Ltd filed Critical SAIC GM Wuling Automobile Co Ltd
Priority to CN201210100400.0A priority Critical patent/CN102620933B/en
Publication of CN102620933A publication Critical patent/CN102620933A/en
Application granted granted Critical
Publication of CN102620933B publication Critical patent/CN102620933B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The invention provides a device for measuring separating force efficiency of a clutch. The device comprises a platform with a sliding chute, an X-direction moving member movably connected with the platform, a Y-direction moving member movably connected with the X-direction moving member and a Z-direction moving member connected with the Y-direction moving member and used for connecting a clutch to be measured. As the device for measuring the separating force efficiency of the clutch is provided with the moving members which are movable along the X-direction, the Y-direction and the Z-direction, the position of the clutch to be measured can be adjusted in the X-direction, the Y-direction and the Z-direction when the clutch to be measured is installed, and the device can stimulate the installation position of the clutch in a real car. Therefore, in comparison with the data measured in the prior art, the separating force efficiency of the clutch obtained through the test is closer to the practical working conditions, and the obtained data are more specific and more exact.

Description

A kind of clutch separation force efficiency measurement apparatus
Technical field
The present invention relates to mechanical part field of measuring technique, more particularly to a kind of clutch separation force efficiency measurement apparatus.
Background technology
Clutch release system as in automobile operate clutch executing agency, comprising pedal, clutch release fork And the part such as release bearing, have to the power transmission of vehicle and NVH performances important influence, particularly clutch pedal point From power size, the manipulation comfort level of driver is had a strong impact on.In order to design the comfortable clutch release system of manipulation, raising is driven The riding experience of the person of sailing, needs to simulate real vehicle clutch installation situation in all cases in the experimental stage of design, makes examination Environment closest to actual vehicle condition is tested, gaging clutch separates the accurate data of force efficiency.
The problem that presently, there are is that existing clutch test stand is unable to multiple directions adjustment clutch release assembly Position, therefore real vehicle clutch installation situation in all cases cannot be simulated, therefore cannot ensure to measure close to actual car The accurate data of condition.
The content of the invention
The purpose of the present invention is directed to the deficiency of prior art presence, there is provided a kind of multi-directionally adjusts clutch peace to be measured Holding position, the clutch separation force efficiency measurement apparatus of simulation real vehicle clutch installation situation in all cases.
What the present invention was realized in:A kind of clutch separation force efficiency measurement apparatus, including be provided with chute platform and Y-direction mobile member that the X-direction mobile member of platform activity connection is flexibly connected with the X-direction mobile member and The Z-direction mobile member for connecting clutch to be measured of the Y-direction mobile member connection.
X of the present invention, Y, Z-direction, are X, Y, the Z-direction in rectangular coordinate system in space.Due to the clutch separation Force efficiency measurement apparatus be provided with can along X, Y, Z-direction move mobile member, when install clutch to be measured when, can make it is to be measured from Clutch position in X, Y, Z-direction is adjustable, it is possible to imitate the installation site of clutch in the case of real vehicle, so by test , closer to real work situation compared with the data that prior art is measured, the data of acquisition are more for the clutch separation force data of acquisition Plus it is specific accurate.On the other hand, because the installation site of clutch to be measured can be adjusted arbitrarily, structure is moved by X, Y, Z-direction The regulation of part, can install various sizes of clutch, such that it is able to measure the separation force efficiency of different size clutch so that The scope of application of the clutch separation force efficiency measurement apparatus is wider.
As a further improvement on the present invention, the clutch separation force efficiency measurement apparatus also include and clutch to be measured The actuator of connection.Actuator is used to control the clutch of clutch, so that obtain that force data is accurately separated, when clutch to be measured Position when changing, actuator is also made corresponding position and is changed, and can so make actuator with the relative position of clutch to be measured holding Put fixation, it is ensured that the data of measurement are accurately and reliably.
As a further improvement on the present invention, the actuator includes the first start for withstanding clutch release bearing Device and the second actuator for withstanding clutch release fork.So can respectively control the release bearing of clutch to be measured and divide From the working condition of fork, measurement data is further refined, make measurement data more specific comprehensively, accuracy and reliability are higher.
As a further improvement on the present invention, the actuator is provided with force snesor and displacement transducer, can obtain in real time The power and displacement data when clutch to be measured is respectively closed and separates are obtained, makes the data of acquisition more accurately and reliably, so as to enter one The separation force efficiency of step analysis clutch.
As a further improvement on the present invention, first actuator, the second actuator use pneumatic actuator.This hair The bright actuator can be using electrical equipment actuator, servo actuator or pneumatic actuator etc., present invention preferably employs pneumatic work Dynamic device, the advantage is that, by adjusting the air pressure of pneumatic actuator end, can respectively control the stress of release bearing and release yoke Size, adjust stress size during, by control actuator end air pressure can realize separating force change from small to big or by What is diminished greatly seamlessly transits, and makes experimental data more accurate, experimental data curve softer, reduces experimental error, more favorably It is analyzed in data, obtains more accurate result of the test.
As a further improvement on the present invention, the platform is provided with the first T-slot, and the X-direction mobile member is a T Type groove square chest, the first T-slot square chest is provided with the first sliding block of insertion first T-slot;The first T-slot square chest sets There is the second T-slot, the Y-direction mobile member is the second T-slot square chest, the second T-slot square chest is provided with insertion described the Second sliding block of two T-slots.The present invention is applied in combination by T-slot platform with T-slot square chest, by T-slot and sliding block With flexible connection is combined into, clutch to be measured is realized along X, Y-direction displacement, then on the basis of this, square chest is commonly used for line Or the instrument of measurement, T-slot square chest is applied in combination, and with simple structure, is easy to accurate measurement and regulation displacement data, makes behaviour Make more accurate, convenient, efficient advantage.
As a further improvement on the present invention, the Z-direction mobile member is adjustable contiguous block, the adjustable connection Block is provided with connecting portion and adjustment portion, and the connecting portion is used to be connected with clutch to be measured;The adjustment portion and Y-direction mobile member Connection.
As a further improvement on the present invention, the second T-slot square chest is provided with the 3rd T-slot, and the adjustment portion is provided with 3rd sliding block of insertion the 3rd T-slot.3rd sliding block is slidably connected with the 3rd T-slot composition, can make adjustable connection Block is free to travel to corresponding position along Z-direction, you can realize that clutch to be measured is freely positioned along Z-direction.This connected mode Make the scope more smooth that operation is more convenient and flexible, adjust.
Used as another improvement of the invention, the adjustment portion can also be connected by bolt with the Y-direction mobile member Connect, the Y-direction mobile member is provided with the mounting hole being equally spaced along Z-direction, the adjustment portion is arranged on described by bolt On mounting hole.As long as being to be capable of achieving clutch to be measured displacement in z-direction by the mounting hole that adjustment portion is arranged on corresponding height, And it is simple structure, easy to operate.
As a further improvement on the present invention, junction of the X-direction mobile member with the platform, the X-direction Mobile member and the Y-direction mobile member junction, the company of the Y-direction mobile member and the Z-direction mobile member The place of connecing is equipped with locking device.After X, Y, Z-direction mobile member regulation good position, the locking device set by junction By the locking of each mobile member, when having prevented measurement, power or inertia force, Huo Zheyin are frustrated after the moment generation of clutch separation to be measured For the vibrations of actuator are subjected to displacement each mobile member, the reliability of measurement data is influenceed;Further, it is also possible to ensure platform In non-horizontal general work, it is ensured that the accurate and reliability of data.Locking device can use screw-threaded coupling device or bayonet socket Locking device or other locking devices are realized.
In sum, the present invention compared with prior art, clutch installation site to be measured, simulation is adjusted with multi-directionally Real vehicle clutch installation situation in all cases, can carry out the advantage of testing experiment to the clutch of sizes, this It is outer that also there is simple structure, the advantage that manipulation is convenient, measurement data accurate reliability is high.
Brief description of the drawings
Fig. 1 is clutch separation force efficiency measurement apparatus stereogram provided in an embodiment of the present invention;
Fig. 2 is another stereogram of clutch separation force efficiency measurement apparatus provided in an embodiment of the present invention;
Fig. 3 is Z-direction mobile member stereogram provided in an embodiment of the present invention.
Accompanying drawing is identified:1-X directions mobile member;2-Y directions mobile member;3-Z directions mobile member;4- actuator;5- Force snesor;6- displacement transducers;7- clutches to be measured;8- platforms;9- locking devices;10- mounting holes;The sliding blocks of 11- first; The T-slots of 12- second;The sliding blocks of 21- second;The T-slots of 22- the 3rd;31- connecting portions;32 adjustment portions;The actuator of 41- first;42- Two actuator;81 first T-slots.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.
Such as Fig. 1 to Fig. 3, the present embodiment provides a kind of clutch separation force efficiency measurement apparatus, including is provided with the flat of chute The Y-direction that the X-direction mobile member 1 that platform 8 is flexibly connected with the platform 8 is flexibly connected with the X-direction mobile member 1 is moved Dynamic component 2 and the Z-direction mobile member 3 for connecting clutch to be measured of the Y-direction mobile member 2 connection.
X, Y, Z-direction described in the present embodiment, are X, Y, the Z-direction in rectangular coordinate system in space.Due to the clutch point The mobile member that can be moved along X, Y, Z-direction is provided with from force efficiency measurement apparatus, for installing clutch to be measured 7, can make to treat Survey the position in X, Y, Z-direction of clutch 7 adjustable, it is possible to imitate the installation site of clutch in the case of real vehicle, so pass through Cross and test the clutch separation force data for obtaining compared with the data that prior art is measured closer to real work situation, acquisition Data are more specific accurate.On the other hand, because the installation site of clutch to be measured 7 can be adjusted arbitrarily, by X, Y, Z side To the regulation of mobile member, various sizes of clutch can be installed, such that it is able to measure various sizes of clutch separation power Efficiency so that the scope of application of the clutch separation force efficiency measurement apparatus is wider.
Used as further improvement of this embodiment, the clutch separation force efficiency measurement apparatus also include and clutch to be measured The actuator 4 of the connection of device 7.Actuator 4 is used to control the clutch of clutch to be measured 7, so that obtain that force data is accurately separated, when When the position of clutch to be measured 7 changes, actuator 4 can also make corresponding position and change, can so make actuator 4 with it is to be measured from Clutch 7 keeps relative position to fix, it is ensured that the data of measurement are accurately and reliably.
Used as further improvement of this embodiment, the actuator 4 is included for withstanding the release bearing of clutch to be measured 7 First actuator 41 and the second actuator 42 for withstanding the release yoke of clutch to be measured 7.Can so control respectively it is to be measured from The release bearing of clutch 7 and the working condition of release yoke, further refine measurement data, make measurement data more specific comprehensively, Accuracy and reliability are higher.
Used as further improvement of this embodiment, the actuator 4 is provided with force snesor 5 and displacement transducer 6, Ke Yishi When obtain power and displacement data when clutch to be measured 7 is respectively closed and separates, make the data of acquisition more accurately and reliably so that Further analyze the efficiency of clutch separation power.
Used as further improvement of this embodiment, first actuator 41, the second actuator 42 use pneumatic start Device.Actuator of the present invention can use electrical equipment actuator, servo actuator or pneumatic actuator etc., present invention preferably employs Pneumatic actuator, the advantage is that, by adjusting the air pressure of pneumatic actuator end, can respectively control release bearing and release yoke Stress size, adjust stress size during, by controlling actuator end air pressure separating force can be realized by small change Seamlessly transitting greatly or from large to small, makes experimental data more accurate, experimental data curve softer, reduces experimental error, It is more beneficial for being analyzed data, obtains more accurate result of the test.
Used as further improvement of this embodiment, the platform 8 is provided with the first T-slot 81, the X-direction mobile member 1 It is the first T-slot square chest, the first T-slot square chest is provided with the first sliding block 11 of insertion first T-slot 81;Described first T-slot square chest is provided with the second T-slot 12, and the Y-direction mobile member 2 is the second T-slot square chest, the second T-slot square chest It is provided with the second sliding block 21 of insertion second T-slot 12.Platform 8 and T-slot square chest group by being provided with T-slot of the invention Conjunction is used, and is slidably connected with being combined into by T-slot and sliding block, realizes clutch to be measured along X, Y-direction displacement, then On the basis of this, square chest is commonly used for the instrument rule or measure, and T-slot square chest is applied in combination, and with simple structure, is easy to essence Really measurement and regulation displacement data, make that operation is more accurate, convenient, efficient advantage.
Used as further improvement of this embodiment, the Z-direction mobile member 3 is adjustable contiguous block, described adjustable Contiguous block is provided with connecting portion 31 and adjustment portion 32, and the connecting portion 31 is used to be connected with clutch to be measured 7;The adjustment portion 32 with Y-direction mobile member 2 is connected.
Used as further improvement of this embodiment, the second T-slot square chest is provided with the 3rd T-slot 22, the adjustment portion 31 the 3rd sliding blocks for being provided with insertion the 3rd T-slot 22(Do not marked in figure).3rd sliding block and the composition of the 3rd T-slot 22 are slided Connection, can make adjustable contiguous block be free to travel to corresponding position along Z-direction, you can to realize clutch to be measured 7 along Z-direction Freely position.This connected mode makes the scope more smooth that operation is more convenient and flexible, adjust.
Improved as the another kind of the present embodiment, the adjustment portion 32 can also move structure by bolt with the Y-direction Part 2 is connected, and the Y-direction mobile member 2 is provided with the mounting hole 10 being equally spaced along Z-direction, and the adjustment portion 32 passes through bolt On the mounting hole 10.As long as the mounting hole 10 that adjustment portion 32 is arranged on corresponding height is capable of achieving into clutch to be measured 7 displacement in z-direction, and it is simple structure, easy to operate.
As further improvement of this embodiment, junction of the X-direction mobile member 1 with the platform 8, the X Direction mobile member 1 moves structure with the junction of Y-direction mobile member 2, the Y-direction mobile member 2 and the Z-direction The junction of part 3 is equipped with locking device 9.After X, Y, Z-direction mobile member regulation good position, set by junction Locking device 9 locks each mobile member, and power or inertia are frustrated after the moment generation that clutch to be measured 7 is separate when having prevented measurement Power, or because the vibrations of actuator are subjected to displacement each mobile member, influence the reliability of measurement data;Additionally, may be used also To ensure platform 8 in non-horizontal general work, it is ensured that the accurate and reliability of data.Locking device 9 can use screw fastening Tight device or bayonet coupling device or other locking devices are realized.
In sum, the present invention compared with prior art, clutch installation site to be measured, simulation is adjusted with multi-directionally Real vehicle clutch installation situation in all cases, can carry out the advantage of testing experiment to the clutch of sizes, this It is outer that also there is simple structure, the advantage that manipulation is convenient, measurement data accurate reliability is high.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (9)

1. a kind of clutch separation force efficiency measurement apparatus, it is characterised in that:Platform and the platform including being provided with chute are lived Y-direction mobile member and the Y-direction that the X-direction mobile member of dynamic connection is flexibly connected with the X-direction mobile member The Z-direction mobile member for connecting clutch to be measured of mobile member connection, the quantity of the X-direction mobile member is four It is individual, wherein a Y-direction mobile member is respectively equipped with two relative X-direction mobile members, on the Y-direction mobile member Two Z-direction mobile members are provided with, an actuator, the clutch to be measured is connected on two other X-direction mobile member respectively Device is connected with Z-direction mobile member and actuator respectively, by X, Y, Z-direction mobile member regulation, different chis can be installed Very little clutch.
2. clutch separation force efficiency measurement apparatus according to claim 1, it is characterised in that:The actuator includes using The second actuator in the first actuator for withstanding clutch release bearing to be measured and for withstanding clutch release fork to be measured.
3. clutch separation force efficiency measurement apparatus according to claim 2, it is characterised in that:The actuator is provided with power Sensor and displacement transducer.
4. clutch separation force efficiency measurement apparatus according to claim 3, it is characterised in that:First actuator, Second actuator is pneumatic actuator.
5. clutch separation force efficiency measurement apparatus according to claim 4, it is characterised in that:The platform is provided with first T-slot, the X-direction mobile member is the first T-slot square chest, and the first T-slot square chest is provided with insertion first T-slot The first sliding block;The first T-slot square chest is provided with the second T-slot, and the Y-direction mobile member is the second T-slot square chest, institute State the second sliding block that the second T-slot square chest is provided with insertion second T-slot.
6. clutch separation force efficiency measurement apparatus according to claim 5, it is characterised in that:The Z-direction moves structure Part is adjustable contiguous block, and the adjustable contiguous block is provided with connecting portion and adjustment portion, and the connecting portion is used for and clutch to be measured Device is connected;The adjustment portion is connected with Y-direction mobile member.
7. clutch separation force efficiency measurement apparatus according to claim 6, it is characterised in that:The second T-slot side Case is provided with the 3rd T-slot, and the adjustment portion is provided with the 3rd sliding block of insertion the 3rd T-slot.
8. clutch separation force efficiency measurement apparatus according to claim 7, it is characterised in that:The X-direction moves structure The junction of part and the platform, the X-direction mobile member and the Y-direction mobile member junction, the Y-direction are moved Dynamic component is equipped with locking device with the junction of the Z-direction mobile member.
9. clutch separation force efficiency measurement apparatus according to claim 6, it is characterised in that:The Y-direction moves structure Part is provided with the mounting hole being equally spaced along Z-direction, and the adjustment portion is connected by bolt with the mounting hole.
CN201210100400.0A 2012-04-09 2012-04-09 Device for measuring separating force efficiency of clutch Expired - Fee Related CN102620933B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210100400.0A CN102620933B (en) 2012-04-09 2012-04-09 Device for measuring separating force efficiency of clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210100400.0A CN102620933B (en) 2012-04-09 2012-04-09 Device for measuring separating force efficiency of clutch

Publications (2)

Publication Number Publication Date
CN102620933A CN102620933A (en) 2012-08-01
CN102620933B true CN102620933B (en) 2017-05-24

Family

ID=46560983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210100400.0A Expired - Fee Related CN102620933B (en) 2012-04-09 2012-04-09 Device for measuring separating force efficiency of clutch

Country Status (1)

Country Link
CN (1) CN102620933B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104422592A (en) * 2013-08-27 2015-03-18 上海汽车集团股份有限公司 Vehicle clutch system performance test-bench device and test system comprising same
CN103592121B (en) * 2013-10-17 2015-11-18 柳州市金元机械制造有限公司 Hydraulic clutch proving installation
CN104849029B (en) * 2014-12-02 2017-10-13 北汽福田汽车股份有限公司 A kind of sunshade Board Test System
CN104942773B (en) * 2015-07-22 2017-03-01 吉林省百浪汽车装备技术有限公司 Platform is reprocessed in a kind of automobile soldering turret inspection
CN110595768A (en) * 2018-06-12 2019-12-20 舍弗勒技术股份两合公司 Measuring device and measuring method for measuring a release characteristic of a clutch
CN111707305B (en) * 2020-08-20 2021-01-05 南京泰普森自动化设备有限公司 Measuring device with interlocking mechanism
CN112496709B (en) * 2020-12-11 2022-03-11 芜湖大捷离合器有限公司 Formula erection equipment is adjusted to clutch case assembly release lever duplex position

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2690108Y (en) * 2003-07-29 2005-04-06 天津雷佳科技有限公司 Robot 3-D working platform
CN101696904A (en) * 2009-10-29 2010-04-21 上海理工大学 Rotor system simulation test bed of variable rigidity bearing
CN101947718A (en) * 2010-09-14 2011-01-19 孙亮中 Continuous rolling production line of single-strand flat metal wire
CN201903443U (en) * 2010-07-27 2011-07-20 浙江中马汽车变速器股份有限公司 Assembly structure of clutch release test bench

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100316910B1 (en) * 1999-05-10 2001-12-22 이계안 Method and device for testing transmission efficiency of vehicle transmission
US6802206B2 (en) * 2002-10-11 2004-10-12 American Axle & Manufacturing, Inc. Torsional actuation NVH test method
CN101561352A (en) * 2009-04-29 2009-10-21 邵春平 Automobile clutch comprehensive performance test bed
CN101793602B (en) * 2010-03-31 2012-08-22 浙江铁流离合器股份有限公司 Subjective assessment test bench and test method for operating performance of clutches
CN101934730B (en) * 2010-05-14 2013-05-08 上汽通用五菱汽车股份有限公司 Clutch regulating device
CN202614523U (en) * 2012-04-09 2012-12-19 上汽通用五菱汽车股份有限公司 Clutch-separation-force efficiency measuring apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2690108Y (en) * 2003-07-29 2005-04-06 天津雷佳科技有限公司 Robot 3-D working platform
CN101696904A (en) * 2009-10-29 2010-04-21 上海理工大学 Rotor system simulation test bed of variable rigidity bearing
CN201903443U (en) * 2010-07-27 2011-07-20 浙江中马汽车变速器股份有限公司 Assembly structure of clutch release test bench
CN101947718A (en) * 2010-09-14 2011-01-19 孙亮中 Continuous rolling production line of single-strand flat metal wire

Also Published As

Publication number Publication date
CN102620933A (en) 2012-08-01

Similar Documents

Publication Publication Date Title
CN102620933B (en) Device for measuring separating force efficiency of clutch
WO2015180475A1 (en) Parameter testing device and method for bogie suspension system
CN103673818B (en) Detection tool for automobile instrument board support
CN202420846U (en) Automobile gear shifting system performance test device
CN107192562B (en) Quick positioning and diagnosis test device for abnormal sound fault of shock absorber
CN206114445U (en) Pencil bending tester
CN105758276B (en) A kind of testing equipment measured and emulate air-brake coupling hose
CN105067286A (en) Testing device for performance of vehicle damper
CN106404415A (en) Fork truck driving brake test bed
CN112098114A (en) Design method of universal platform for automobile power assembly performance test
CN108593233B (en) Fatigue strength measuring equipment and system
JP2017096874A (en) Vehicle body floating device, and vehicle body rigidity testing device equipped with the same
CN109163920A (en) A kind of load of electric cylinder Erecting System and performance testing device and test method
KR101463685B1 (en) An apparatus for examining surface status of metallic and plastic materials
CN211626945U (en) Rail vehicle car end relation test bench
CN205785840U (en) Fork truck service brake test-bed
CN109813513B (en) Device and method for measuring dynamic characteristic parameters of mechanical joint surface
CN208568218U (en) The torsional rigidity test of vehicular platform of passenger car torsion beam
CN202614523U (en) Clutch-separation-force efficiency measuring apparatus
CN205449367U (en) Testbed measures rack
CN203672262U (en) Automobile instrument board bracket detecting tool
CN106840712B (en) Multipurpose suspension performance and durability test stand
CN113624509B (en) Hydraulic simulation load device and test system
Lai et al. An experimental method for characterizing friction properties of sheet metal under high contact pressure
CN108956176A (en) A kind of high-precision hydraulic damper and the dynamic and static test platform of actuator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170524

CF01 Termination of patent right due to non-payment of annual fee