CN104634490A - Three-axis adjustable combined type dynamometer loading and driving device - Google Patents
Three-axis adjustable combined type dynamometer loading and driving device Download PDFInfo
- Publication number
- CN104634490A CN104634490A CN201410793800.3A CN201410793800A CN104634490A CN 104634490 A CN104634490 A CN 104634490A CN 201410793800 A CN201410793800 A CN 201410793800A CN 104634490 A CN104634490 A CN 104634490A
- Authority
- CN
- China
- Prior art keywords
- convex
- type rail
- platform
- recessed
- mobile platform
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a three-axis adjustable combined type dynamometer loading and driving device and relates to the field of dynamometers. A movable platform A (2) of a convex V-shaped guide rail is arranged on a fixed platform A (8) of a concave V-shaped guide rail, so that a concave V-shaped slide groove A is in contact with a convex V-shaped slide groove A; one end of a screw rod of a worm wheel and worm rod hoisting machine A (1) is in internal thread connection with a connection seat inner hole in the movable platform A (2) of the convex V-shaped guide rail; a movable platform B (17) of a convex V-shaped guide rail is arranged on a fixed platform B (14) of the concave V-shaped guide rail, so that a concave V-shaped slide groove B is in contact with a convex V-shaped slide groove B; one end of a screw rod of a worm wheel and worm rod hoisting machine B (9) is in internal thread connection with a connection seat inner hole in the movable platform B (17) of the convex V-shaped guide rail. With the adoption of the three-axis adjustable combined type dynamometer loading and driving device, the testing precision of equipment can be improved, debugging time is shortened, the testing efficiency is improved and the requirements on a testing product in a wide region are met; the maintenance is convenient, the operation cost is reduced and the safety operation is ensured.
Description
Technical field
The present invention relates to measurement of power apparatus field, the especially loading of the adjustable compound dynamometer machine of three axles, drive unit.
Background technology
1) existing testing of electric motors or wheel box testing table measurement of power drive and measurement of power charger is all fixed.Each test all need to take much time regulate loading motor device and axle system, drive motor means and axle system and by the right alignment of test specimen etc. and center high.Existing testing table can not resetting, each change by test specimen all need again to spend the plenty of time regulate right alignment and center high, efficiency is low especially,
2) being got more and more by test specimen of different specification size product, and existing table apparatus can not meet the axial any movement of X, Y, Z tri-, can not meet different specification size by trial product.Because existing testing table is by the restriction of locus movement, and reduce by the scope of trial product, the demand that a testing table does multiple different specification size product cannot be met.
3) the existing testing table speed efficiency of doing experiment is low, and tested product scope is limited, single by trial product.The needs of high-level efficiency, wide region, compound modern measurement of power development cannot be met.
Summary of the invention
The present invention is directed to above-mentioned Shortcomings, and propose loading, the drive unit of the adjustable compound dynamometer machine of a kind of three axle.
The technical solution adopted in the present invention, comprise X-axis and move loading motor device and YZ axle moves drive motor means, aforesaid X-axis moves loading motor device by turbine and worm lifter A, the mobile platform A of convex V-type rail, loading motor, bolt A, torque sensor A, shaft coupling A, axle system A, , the stationary platform A composition of recessed V-type rail, the described mobile platform A upper surface bolt A of convex V-type rail that has is connected with loading motor and axle system A, torque sensor A and shaft coupling A is equipped with between loading motor and axle system A, turbine and worm lifter A is equipped with in stationary platform A one end of recessed V-type rail, and aforesaid YZ axle moves drive motor means by turbine and worm lifter B, bolt B, drive motor B, hoistable platform, lifting jack, the stationary platform B of recessed V-type rail, torque sensor B, shaft coupling B, the mobile platform B of convex V-type rail, axle system B, one drags four hydraulic oil pump compositions, the mobile platform B upper surface of described convex V-type rail is placed with four lifting jack, lifting jack is between the mobile platform B and hoistable platform of convex V-type rail, lifting jack upper end heads on hoistable platform lower surface, hoistable platform bolt B is connected with drive motor and axle system B, be equipped with torque sensor B and shaft coupling B between drive motor and axle system B, turbine and worm lifter is equipped with in stationary platform B one end of recessed V-type rail.One drags four of four hydraulic oil pumps petroleum pipelines to connect the oil transportation mouth of pipe of four lifting jack respectively; The stationary platform A of its recessed V-type rail places the mobile platform A of convex V-type rail, both recessed V chute A and convex V chute A are contacted, and screw mandrel one end of turbine and worm lifter A is connected with the mobile platform A upper connecting base endoporus internal thread of convex V-type rail.The stationary platform B of recessed V-type rail places the mobile platform B of convex V-type rail, both recessed V chute B and convex V chute B are contacted, and screw mandrel one end of turbine and worm lifter B is connected with the mobile platform B upper connecting base endoporus internal thread of convex V-type rail.
The present invention, has the measuring accuracy that can improve equipment, the needs shortening debug time, improve test efficiency, meet the test products of wide-range, easy to maintenance, reduce operating cost, guarantee the features such as safe operation.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the structural drawing that X-axis of the present invention moves loading motor device;
Fig. 2 is the left TV structure schematic diagram of Fig. 1;
Fig. 3 is the structural drawing that YZ axle of the present invention moves drive motor means;
Fig. 4 is the left TV structure schematic diagram of Fig. 3;
In figure: 1-turbine and worm lifter A 2-convex V-type groove guide rail mobile platform A 3-loading motor
4-bolt A, 5-torque sensor A, 6-shaft coupling A, 7-axle system A, 8-recessed V-type rail stationary platform A, 9-turbine and worm lifter B, 10-bolt B, 11-drive motor, 12-hoistable platform, 13-lifting jack, 14-recessed V-type rail is fixed flat B 15-torque sensor B 16-shaft coupling B 17-convex V-type groove guide rail mobile platform B 18-axle system B 19-and is dragged four hydraulic oil pumps.
Embodiment
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, comprise X-axis and move loading motor device and YZ axle moves drive motor means, aforesaid X-axis move loading motor device by the mobile platform A2 of turbine and worm lifter A1, convex V-type rail, loading motor 3, bolt A4, torque sensor A5, shaft coupling A6, axle system A7, the stationary platform A8 of recessed V-type rail forms.The described mobile platform A2 upper surface bolt A4 of convex V-type rail that has is connected with loading motor 3 and axle system A7, be equipped with torque sensor A5 and shaft coupling A6 between loading motor 3 and axle system A7, turbine and worm lifter A1 is equipped with in stationary platform A2 one end of recessed V-type rail.Aforesaid YZ axle moves drive motor means and drags four hydraulic oil pumps 19 to form by stationary platform B14, the torque sensor B15 of turbine and worm lifter B9, bolt B 10, drive motor 11, hoistable platform 12, lifting jack 13, recessed V-type rail, shaft coupling B16, the mobile platform B17 of convex V-type rail, axle system B18.The mobile platform B17 upper surface of described convex V-type rail is placed with four lifting jack 13, lifting jack is between the mobile platform B17 and hoistable platform 12 of convex V-type rail, lifting jack 13 upper end heads on hoistable platform 12 lower surface, hoistable platform 12 is connected with drive motor 11 and axle system B18 by bolt B 10, torque sensor B15 and shaft coupling B16 is equipped with between drive motor 12 and axle system B18, turbine and worm lifter B9 is equipped with in stationary platform B14 one end of recessed V-type rail, one drags four petroleum pipelines of four hydraulic oil pumps 19 to connect the oil transportation mouth of pipe of four lifting jack 13 respectively, the stationary platform A8 of its recessed V-type rail places the mobile platform A2 of convex V-type rail, both recessed V chute A and convex V chute A are contacted, and screw mandrel one end of turbine and worm lifter A1 is connected with the mobile platform A2 upper connecting base endoporus internal thread of convex V-type rail, the stationary platform B14 of recessed V-type rail places the mobile platform B17 of convex V-type rail, both recessed V chute B and convex V chute B are contacted, and screw mandrel one end of turbine and worm lifter B9 is connected with the mobile platform B17 upper connecting base endoporus internal thread of convex V-type rail.
Load onto between axle system A7 and axle system B18 when the present invention uses by trial product (motor or wheel box), do not slide to stablize convex V-type rail mobile platform A2, can use coupling bolt that convex V-type rail mobile platform A2 and recessed V-type rail stationary platform A8 is temporarily connected and fixed, with another coupling bolt, hoistable platform 12 and convex V-type rail mobile platform B17 are temporarily connected and fixed equally.
Install and support test product during axle system A7 and axle system B18 when the present invention uses.
The present invention drives screw mandrel to make this entirety on the stationary platform A of recessed V-type rail, do X axis along V-type groove direction by turbine and worm lifter A and moves, achieve the movement that X-axis moves dynamometer machine loading motor device X-direction; Utilize one to drag four hydraulic pumps to drive four lifting jack to move up or down by hoistable platform, drive motor and axle system this entirety of B and regulate drive motor system and the height needed for trial product, achieve the movement that YZ axle moves dynamometer machine drive motor means Z-direction; Drive screw mandrel to make this entirety on the stationary platform B of recessed V-type rail, do Y-axis along V-type groove direction Y-axis by turbine and worm lifter B to move, achieve the movement that YZ axle moves measurement of power drive motor means Y direction.
Claims (1)
1. the loading of the adjustable compound dynamometer machine of three axles, drive unit comprise X-axis and move loading motor device and YZ axle moves a drive motor means, and aforesaid X-axis moves loading motor device by turbine and worm lifter A(1), the mobile platform A(2 of convex V-type rail), loading motor (3), bolt A (4), torque sensor A (5), shaft coupling A (6), axle system A (7), recessed V-type rail stationary platform A (8) form, described mobile platform A (2) upper surface bolt A (4) of convex V-type rail that has is connected with loading motor (3) and axle system A (7), be equipped with torque sensor A (5) and shaft coupling A (6) between loading motor (3) and axle system A (7), turbine and worm lifter A (1) is equipped with in stationary platform A (2) one end of recessed V-type rail, aforesaid YZ axle moves drive motor means and drags four hydraulic oil pumps (19) to form by stationary platform B (14), the torque sensor B (15) of turbine and worm lifter B (9), bolt B (10), drive motor (11), hoistable platform (12), lifting jack (13), recessed V-type rail, shaft coupling B (16), the mobile platform B (17) of convex V-type rail, axle system B (18), mobile platform B (17) upper surface of described convex V-type rail is placed with four lifting jack (13), lifting jack (13) is positioned between the mobile platform B (17) of convex V-type rail and hoistable platform (12), lifting jack (13) upper end heads on hoistable platform (12) lower surface, hoistable platform (12) upper bolt B (10) is connected with drive motor (11) and axle system B(18), drive motor (12) and axle system B(18) between be equipped with torque sensor B(15) and shaft coupling B(16), the stationary platform B(14 of recessed V-type rail) one end is equipped with turbine and worm lifter B (9), one drags four petroleum pipelines of four hydraulic oil pumps (19) to connect the oil transportation mouth of pipe of four lifting jack (13) respectively, it is characterized in that the upper mobile platform A (2) placing convex V-type rail of the stationary platform A (8) of recessed V-type rail, both recessed V chute A and convex V chute A are contacted, and screw mandrel one end of turbine and worm lifter A (1) is connected with mobile platform A (2) the upper connecting base endoporus internal thread of convex V-type rail, the upper mobile platform B (17) placing convex V-type rail of stationary platform B (14) of recessed V-type rail, both recessed V chute B and convex V chute B are contacted, and screw mandrel one end of turbine and worm lifter B (9) is connected with mobile platform B (17) the upper connecting base endoporus internal thread of convex V-type rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793800.3A CN104634490B (en) | 2014-12-20 | 2014-12-20 | Triaxial adjustable composite dynamometer loading and driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793800.3A CN104634490B (en) | 2014-12-20 | 2014-12-20 | Triaxial adjustable composite dynamometer loading and driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104634490A true CN104634490A (en) | 2015-05-20 |
| CN104634490B CN104634490B (en) | 2023-10-13 |
Family
ID=53213491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410793800.3A Active CN104634490B (en) | 2014-12-20 | 2014-12-20 | Triaxial adjustable composite dynamometer loading and driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104634490B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764279A (en) * | 2016-12-13 | 2017-05-31 | 鹤山市源创电机有限公司 | A kind of power of motor detection platform |
| CN109124667A (en) * | 2018-07-23 | 2019-01-04 | 中国科学院苏州生物医学工程技术研究所 | A kind of cage modle CT scanner regulating device |
| CN110864915A (en) * | 2019-12-05 | 2020-03-06 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Electric automobile power assembly test system |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843264A (en) * | 1994-05-25 | 1996-02-16 | Toyota Motor Corp | Vehicle restraining device |
| JP2001141579A (en) * | 1999-11-11 | 2001-05-25 | Amano Kogyo Gijutsu Kenkyusho | Dynamometer of axial direction variable type |
| US20040079173A1 (en) * | 2002-10-28 | 2004-04-29 | The Curators Of The University Of Missouri | Torque ripple sensor and mitigation mechanism |
| WO2005075268A1 (en) * | 2004-02-03 | 2005-08-18 | Drag Tag Pty Ltd | Vehicle securing mechanism for a dynamometer |
| CN201107143Y (en) * | 2007-11-21 | 2008-08-27 | 力帆实业(集团)股份有限公司 | Spiral type lifting supporting platform |
| CN101261186A (en) * | 2007-12-05 | 2008-09-10 | 奇瑞汽车股份有限公司 | Belt axle assembly and steel belt test stand |
| US20100018300A1 (en) * | 2008-07-22 | 2010-01-28 | Gm Global Technology Operations, Inc. | Method of Aligning Properties for Dynamometer Testing |
| CN202066631U (en) * | 2011-05-10 | 2011-12-07 | 山东交通学院 | Single-axle driving motor vehicle chassis power measuring machine |
| CN102288393A (en) * | 2011-04-26 | 2011-12-21 | 哈尔滨三迪工控工程有限公司 | Pneumatic servo type automobile part testing machine |
| CN102645296A (en) * | 2012-04-16 | 2012-08-22 | 哈尔滨工业大学 | Split-type high-speed electric spindle dynamometer |
| CN202455208U (en) * | 2011-12-27 | 2012-09-26 | 安徽安凯汽车股份有限公司 | Fixing tool for measurement and control of new energy motor |
| CN102889983A (en) * | 2012-09-28 | 2013-01-23 | 吉林大学 | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer |
| CN103207038A (en) * | 2013-03-20 | 2013-07-17 | 重庆德马变频电机研发制造有限公司 | Enclosed floating power measuring integrated device |
| CN203191131U (en) * | 2013-02-26 | 2013-09-11 | 苏州太平洋汽车保修设备有限公司 | Chassis dynamometer of motor vehicle |
| CN103470519A (en) * | 2013-09-17 | 2013-12-25 | 重庆德马变频电机研发制造有限公司 | Multifunctional vertical wind tunnel and air blower integration device |
| CN103837340A (en) * | 2012-11-20 | 2014-06-04 | 上海汽车集团股份有限公司 | Testing system for testing endurance of shifting fork assembly of dual-clutch gearbox |
| CN203848976U (en) * | 2014-05-22 | 2014-09-24 | 陕西金飞马测控技术有限公司 | Multifunctional torque verification device |
| CN104132809A (en) * | 2014-08-02 | 2014-11-05 | 山东交通学院 | Bench testing system for combined automatic automobile speed changer |
| CN203948504U (en) * | 2014-06-11 | 2014-11-19 | 广西大学 | A kind of Novel small-sized engine dynamometer flexible connection |
| CN204330196U (en) * | 2014-12-20 | 2015-05-13 | 重庆德马变频电机研发制造有限公司 | The adjustable compound dynamometer machine of three axles loads, drive unit |
-
2014
- 2014-12-20 CN CN201410793800.3A patent/CN104634490B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843264A (en) * | 1994-05-25 | 1996-02-16 | Toyota Motor Corp | Vehicle restraining device |
| JP2001141579A (en) * | 1999-11-11 | 2001-05-25 | Amano Kogyo Gijutsu Kenkyusho | Dynamometer of axial direction variable type |
| US20040079173A1 (en) * | 2002-10-28 | 2004-04-29 | The Curators Of The University Of Missouri | Torque ripple sensor and mitigation mechanism |
| WO2005075268A1 (en) * | 2004-02-03 | 2005-08-18 | Drag Tag Pty Ltd | Vehicle securing mechanism for a dynamometer |
| CN201107143Y (en) * | 2007-11-21 | 2008-08-27 | 力帆实业(集团)股份有限公司 | Spiral type lifting supporting platform |
| CN101261186A (en) * | 2007-12-05 | 2008-09-10 | 奇瑞汽车股份有限公司 | Belt axle assembly and steel belt test stand |
| US20100018300A1 (en) * | 2008-07-22 | 2010-01-28 | Gm Global Technology Operations, Inc. | Method of Aligning Properties for Dynamometer Testing |
| CN102288393A (en) * | 2011-04-26 | 2011-12-21 | 哈尔滨三迪工控工程有限公司 | Pneumatic servo type automobile part testing machine |
| CN202066631U (en) * | 2011-05-10 | 2011-12-07 | 山东交通学院 | Single-axle driving motor vehicle chassis power measuring machine |
| CN202455208U (en) * | 2011-12-27 | 2012-09-26 | 安徽安凯汽车股份有限公司 | Fixing tool for measurement and control of new energy motor |
| CN102645296A (en) * | 2012-04-16 | 2012-08-22 | 哈尔滨工业大学 | Split-type high-speed electric spindle dynamometer |
| CN102889983A (en) * | 2012-09-28 | 2013-01-23 | 吉林大学 | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer |
| CN103837340A (en) * | 2012-11-20 | 2014-06-04 | 上海汽车集团股份有限公司 | Testing system for testing endurance of shifting fork assembly of dual-clutch gearbox |
| CN203191131U (en) * | 2013-02-26 | 2013-09-11 | 苏州太平洋汽车保修设备有限公司 | Chassis dynamometer of motor vehicle |
| CN103207038A (en) * | 2013-03-20 | 2013-07-17 | 重庆德马变频电机研发制造有限公司 | Enclosed floating power measuring integrated device |
| CN103470519A (en) * | 2013-09-17 | 2013-12-25 | 重庆德马变频电机研发制造有限公司 | Multifunctional vertical wind tunnel and air blower integration device |
| CN203848976U (en) * | 2014-05-22 | 2014-09-24 | 陕西金飞马测控技术有限公司 | Multifunctional torque verification device |
| CN203948504U (en) * | 2014-06-11 | 2014-11-19 | 广西大学 | A kind of Novel small-sized engine dynamometer flexible connection |
| CN104132809A (en) * | 2014-08-02 | 2014-11-05 | 山东交通学院 | Bench testing system for combined automatic automobile speed changer |
| CN204330196U (en) * | 2014-12-20 | 2015-05-13 | 重庆德马变频电机研发制造有限公司 | The adjustable compound dynamometer machine of three axles loads, drive unit |
Non-Patent Citations (3)
| Title |
|---|
| 金庭鑫，王志伟，王坤，李伟，胡新: "《车辆在底盘测功机上驱动功率的数据分析》", 《重庆理工大学学报（自然科学版）》 * |
| 黄万友，牛洪成，李娟，赵玉军，程勇，唐向臣: "《简易瞬时工况底盘测功机控制***理论设计》", 《内燃机与动力装置》 * |
| 黄万友，牛洪成，李娟，赵玉军，程勇，唐向臣: "《简易瞬时工况底盘测功机控制***理论设计》", 《内燃机与动力装置》, 31 December 2008 (2008-12-31) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764279A (en) * | 2016-12-13 | 2017-05-31 | 鹤山市源创电机有限公司 | A kind of power of motor detection platform |
| CN109124667A (en) * | 2018-07-23 | 2019-01-04 | 中国科学院苏州生物医学工程技术研究所 | A kind of cage modle CT scanner regulating device |
| CN109124667B (en) * | 2018-07-23 | 2022-09-06 | 中国科学院苏州生物医学工程技术研究所 | Adjusting device for cage type CT scanner |
| CN110864915A (en) * | 2019-12-05 | 2020-03-06 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Electric automobile power assembly test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104634490B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104568575B (en) | Force-applying push rod device and multi-axial load loading machine | |
| CN104142245B (en) | The charger of automobile hub bearing periodically dynamic testing machine | |
| CN106124207A (en) | A kind of gear transmission error is test bed | |
| CN103487342B (en) | Laser Rockwell Hardness Standard Equipment and measuring method | |
| CN203310639U (en) | Tractor suspension device lifting capacity test bench | |
| CN102252163B (en) | Automatic loading and unloading machine of cylinder valve | |
| CN104634490A (en) | Three-axis adjustable combined type dynamometer loading and driving device | |
| CN103588139A (en) | Compact type mechanical lifting mechanism for assembling line | |
| CN204330196U (en) | The adjustable compound dynamometer machine of three axles loads, drive unit | |
| CN202974657U (en) | Testing apparatus of clutch release system | |
| CN104155191B (en) | Sea cable bend test device | |
| CN104142246B (en) | Multi-group bearing loading simulation test system | |
| CN206670916U (en) | It is a kind of to test ball screw assembly, static state input torque and the device of power output relation | |
| CN203572627U (en) | Vibration device used for determining faults of antifriction bearing | |
| CN204101288U (en) | The charger of automobile hub bearing periodicity dynamic testing machine | |
| CN202330039U (en) | Locomotive wheelset running test device | |
| CN205352685U (en) | High -speed electric main shaft loading and tool changing test device | |
| CN201885842U (en) | Device for testing mechanical efficiency of spiral lead screw | |
| CN205091124U (en) | Detection apparatus for speed reducer torque and axial force | |
| CN103149025A (en) | Additional displacement test bench of shaft coupler | |
| CN106017933B (en) | Pivoting support testing stand aligning device and pivoting support testing stand | |
| CN102288411A (en) | Fault diagnosis and health monitoring test device for large-scale rotary supporting mechanism | |
| CN107314904A (en) | A kind of subframe fatigue test moment of flexure cancellation element | |
| CN206710089U (en) | A kind of mining gipsy sheave no-load test platform | |
| CN203561504U (en) | An axial loading apparatus for a high-speed railway axial comprehensive performance testing stand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: Building 1-1, Building B, No. 21-11 Pingxi Road, Degan Street, Jiangjin District, Chongqing, 402284 Patentee after: Chongqing Damon high-speed equipment Engineering Research Institute Co.,Ltd. Country or region after: China Address before: 402284 Chongqing Jiangjin district de sense Industrial Park Patentee before: Chongqing Dema Frequency Conversion Motor R & D Co.,Ltd. Country or region before: China |