CN108061650A - A kind of hub reduction gear static torsion test device - Google Patents
A kind of hub reduction gear static torsion test device Download PDFInfo
- Publication number
- CN108061650A CN108061650A CN201711294000.7A CN201711294000A CN108061650A CN 108061650 A CN108061650 A CN 108061650A CN 201711294000 A CN201711294000 A CN 201711294000A CN 108061650 A CN108061650 A CN 108061650A
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- China
- Prior art keywords
- fixed
- reduction gear
- hub reduction
- moving casing
- fixed sleeving
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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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of hub reduction gear static torsion test devices, including pedestal, the pedestal roof was last to be equipped with the first fixed seat, the first fixed sleeving is installed in first fixed seat, the top of the first fixed sleeving one side is hinged with the first moving casing, hub reduction equipment is fixed in first fixed sleeving and the first moving casing, the one side of first fixed seat is equipped with the second fixed seat, the second fixed sleeving is fixed in second fixed seat, the top of the second fixed sleeving one side is hinged with the second moving casing.The configuration of the present invention is simple, it is easily achieved, the detection to hub reduction gear assembly will be changed to the detection of single part performance in the past, measurement structure is more directly perceived, also more accurate, simultaneously, original test method that torsion is provided using motor direct-drive is changed to drive indirectly using chain belt, torque bigger, the torsion provided also bigger, requirement to power of motor is relatively low, saves space and funds.
Description
Technical field
The present invention relates to car consumption credit technical field more particularly to a kind of hub reduction gear static torsion test devices.
Background technology
Automotive check is to determine the inspection of technical condition of vehicle or ability to work.Automobile in use, with making
With the extension of time（Or the increase of distance travelled）, part is gradually worn out, burn into deforms, aging and deterioration of lubricant
Deng, cause auxiliary air gap is coordinated to become larger, cause movement looseness, vibrate, make sound with gas leakage, leak, oil leak etc., cause automotive engineering
It can decline.Axle assembly experiment in conventional wheel side is a detection content of car consumption credit, generally use axle assembly fatigue life
The methods of experiment and axle housing fatigue life test.In the case where vehicle bridge actually uses operating mode, product failure diversification of forms, except gear is tired
Outside strain is bad, phenomena such as with spindle nose torque failure, half axle fracture, hub reduction gear fragmentation, conventional methods can not be anti-
Mirror product anti-torsion damage capability, in the prior art, torsion load testing device for wheel reduction device only tested parts group rather than
Hub reduction gear assembly, the result detected is simultaneously not directly perceived while also inaccurate enough, and in addition the prior art is straight using motor
Driving is connect as torsion source, the power requirement of motor is higher, space and funds consumption is larger changes, it is necessary to make on this question
Into.
The content of the invention
It is complex the purpose of the present invention is to solve static torsion test structure of the prior art and straight using motor
Driving is connect to the more demanding problem of power of motor, and a kind of hub reduction gear static torsion test device proposed.
To achieve these goals, present invention employs following technical solutions：
A kind of hub reduction gear static torsion test device, including pedestal, the pedestal roof was last to be equipped with the first fixed seat, institute
It states and the first fixed sleeving is installed in the first fixed seat, the top of the first fixed sleeving one side is hinged with the first movable sleeve
It manages, hub reduction equipment, the one side peace of first fixed seat is fixed in first fixed sleeving and the first moving casing
Equipped with the second fixed seat, the second fixed sleeving, the top of the second fixed sleeving one side are fixed in second fixed seat
The second moving casing is hinged with, intermediate reduction gear equipment is fixed in second fixed sleeving and the second moving casing, in described
Between the one end of retarding device away from hub reduction equipment be connected with retarder semiaxis, be fixed with fixation on the retarder semiaxis
Ring is equipped with fixed plate on the madial wall of the retainer ring, half axis hole is offered in the fixed plate, the retarder semiaxis is inserted
It is located in half axis hole, one end of the pedestal is equipped with driving motor, and peace is fixedly connected on the driving end of the driving motor
Bar is filled, turntable is installed on the mounting rod, it is equidistant on the lateral wall of the retainer ring and turntable that multiple sprockets are installed,
Together about equipped with chain belt, being connected with two tensiometers on the chain band in the retainer ring and turntable, on two tensiometers
Under be symmetrically distributed between retainer ring and turntable, data analysis recorder, two drawings are installed on the roof of the pedestal
Input terminal of the output terminal of power meter with data analysis recorder is electrically connected, the data analysis recorder and two tensiometers
Input terminal is equally electrically connected with the output terminal of external power supply.
Preferably, symmetrically open up that there are three installations on the bottom wall inside first fixed sleeving and the second fixed sleeving
Mouthful, collar aperture is offered on the bottom wall inside three installing ports, the inside in each described sleeve pipe hole is equipped with the first fastening spiral shell
Offer arc port on the roof of bolt, first fixed seat and the second fixed seat, the bottom wall on the inside of two arc ports
On open up there are three with the first fastening bolt cooperate threaded hole.
Preferably, the top of first fixed sleeving and the second fixed sleeving away from hinged end one side offers fixation
Slot, the bottom of first moving casing and the second moving casing away from hinged end one side is equipped with to be consolidated with what fixing groove cooperated
Determine block, offer fixture block groove on the side wall inside two fixing grooves, away from fixed blocks one inside two fixture block grooves
Spring is mounted on the side wall of side, two springs are mounted on wedge-shaped fixture block close to one end of fixed block, described in two
Wedge-shaped fixture block is respectively connected with pull rod on the side wall away from fixed block one side, and two pull rods extend through the inside of two fixture block grooves
Wall and the outside for extending to the first fixed sleeving and the second fixed sleeving, the one end of two pull rods away from wedge-shaped fixture block connect
Pulling block is connected to, the card slot that wedge-shaped fixture block cooperates, and two wedge-shaped cards are offered on the lateral wall of two fixed blocks
The lozenges of block is towards upside.
Preferably, gathering hole there are two symmetrically being opened up on the two side of the fixed plate, four gathering holes are close
Locking hole is offered on the side wall of retarder semiaxis one side, the inside of each locking hole is equipped with the second fastening bolt,
It is equidistant on the lateral wall of the retarder semiaxis to offer four mounting holes, it is opened up on the madial wall of each mounting hole
There is the screw thread that the second fastening bolt cooperates.
Preferably, slot is offered on the lateral wall on the hub reduction equipment and intermediate reduction gear equipment top, it is described
Jack corresponding with slot position, the jack and slot are offered on the roof of first moving casing and the second moving casing
Bolt is inside inserted with jointly.
Preferably, being sticked on the madial wall of first fixed sleeving and the first moving casing has anti-skidding rubber, described
Equally being sticked on the madial wall of second fixed sleeving and the second moving casing has anti-skidding rubber.
Preferably, the both sides of second fixed seat are mounted on reinforcing plate, and the bottom of two reinforcing plates is and bottom plate
Roof be fixedly connected.
In the present invention, user pulls two pulling blocks, and two wedge-shaped fixture blocks is made to be exited from card slot, first is then opened and lives
Dynamic casing and the second moving casing, hub reduction equipment and intermediate reduction gear equipment are fixed successively, and pass through bolt to take turns side
Retarding device and intermediate reduction gear equipment are completely fixed, and fixed plate is sleeved on retarder semiaxis, are fixed using the second fastening bolt
Good retarder semiaxis and fixed plate open driving motor, and driving motor drives turntable to rotate, and the transmission by chain belt is to retainer ring
Torsion is provided, the transmission retarder semiaxis by fixed plate is similarly subjected to twisting force, and the pulling force being subject on chain band is to slow down
The torsion that device semiaxis is subject to, and two tensiometers are by this data sending to data analysis recorder, by data analysis
The data recorded on recorder carry out analysis and calculate the quiet twisting property that can judge retarder.The configuration of the present invention is simple is easy to
It realizes, the detection to hub reduction gear assembly will be changed to the detection of single part performance in the past, measurement structure is more directly perceived, also more
Accurately, meanwhile, original test method that torsion is provided using motor direct-drive is changed to drive indirectly using chain belt, and torque is more
Greatly, the torsion provided also bigger, the requirement to power of motor is relatively low, saves space and funds.
Description of the drawings
Fig. 1 is a kind of integrally-built front view of hub reduction gear static torsion test device proposed by the present invention；
Fig. 2 is a kind of left side view of hub reduction gear static torsion test device proposed by the present invention；
Fig. 3 is a kind of rearview of the part-structure of hub reduction gear static torsion test device proposed by the present invention；
Fig. 4 is a kind of enlarged drawing of the part A structure of hub reduction gear static torsion test device proposed by the present invention；
Fig. 5 is a kind of enlarged drawing of the part B structure of hub reduction gear static torsion test device proposed by the present invention.
In figure：1 pedestal, 2 first fixed seats, 3 first fixed sleevings, 4 first moving casings, 5 hub reduction equipment, 6
Two fixed seats, 7 second fixed sleevings, 8 second moving casings, 9 intermediate reduction gear equipment, 10 retarder semiaxis, 11 retainer rings, 12 are consolidated
Fixed board, 13 sprockets, 14 driving motors, 15 mounting rods, 16 turntables, 17 reinforcing plates, 18 chain belts, 19 tensiometers, 20 data analyses note
Record instrument, 21 first fastening bolts, 22 bolts, 23 fixing grooves, 24 fixed blocks, 25 fixture block grooves, 26 springs, 27 wedge-shaped fixture blocks, 28 drawings
Bar, 29 pulling blocks, 30 card slots, 31 mounting holes, 32 second fastening bolts, 33 gathering holes.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " top ",
The orientation or position relationship of the instructions such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
With reference to Fig. 1-5, a kind of hub reduction gear static torsion test device, including pedestal 1,1 roof of pedestal was last to be equipped with
First fixed seat 2 is equipped with the first fixed sleeving 3 in first fixed seat 2, and the top of 3 one side of the first fixed sleeving is hinged with
It is fixed with hub reduction equipment 5 in one moving casing 4, the first fixed sleeving 3 and the first moving casing 4, the one of the first fixed seat 2
Side is equipped with the second fixed seat 6, and the second fixed sleeving 7, the top of 7 one side of the second fixed sleeving are fixed in the second fixed seat 6
The second moving casing 8 is hinged with, intermediate reduction gear equipment 9 is fixed in the second fixed sleeving 7 and the second moving casing 8, second is solid
The both sides of reservation 6 are mounted on reinforcing plate 17, and roof of the bottom of two reinforcing plates 17 with bottom plate 1 is fixedly connected, and take turns side
Slot, the first moving casing 4 and the second movable sleeve are offered on the lateral wall on 9 top of retarding device 5 and intermediate reduction gear equipment
Jack corresponding with slot position is offered on the roof of pipe 8, jack subtracts wheel side with being inserted with bolt 22 jointly in slot
Fast equipment 5 and intermediate reduction gear equipment 9 are fixed, and prevent the inside of its rotation, the first fixed sleeving 3 and the first moving casing 4
Being sticked on wall has anti-skidding rubber, and being equally sticked on the madial wall of the second fixed sleeving 7 and the second moving casing 8 has skid-proof rubber
Skin prevents from scratching equipment outer wall.
In the present invention, symmetrically opened up on the bottom wall inside the first fixed sleeving 3 and the second fixed sleeving 7 there are three installation
Mouthful, collar aperture is offered on the bottom wall inside three installing ports, the inside of each collar aperture is equipped with the first fastening bolt 21,
It offers arc port on the roof of first fixed seat 2 and the second fixed seat 6, is offered on the bottom wall on the inside of two arc ports
Three threaded holes to cooperate with the first fastening bolt 21, are realized with this to the first fixed sleeving 3 and the second fixed sleeving 7
It is fixed.
In the present invention, the first fixed sleeving 3 and the second top of the fixed sleeving 7 away from hinged end one side offer fixation
Slot 23, the first moving casing 4 and the second bottom of the moving casing 8 away from hinged end one side are equipped with what is cooperated with fixing groove 23
Fixed block 24 offers fixture block groove 25 on the side wall inside two fixing grooves 23, and two 25 inside of fixture block grooves are away from fixed blocks
Spring 26 is mounted on the side wall of 24 one sides, two springs 26 are mounted on wedge-shaped fixture block 27 close to one end of fixed block 24,
Pull rod 28 is respectively connected on two wedge-shaped side walls of the fixture block 27 away from 24 one side of fixed block, and two pull rods 28 extend through two
The madial wall of fixture block groove 25 and the outside for extending to the first fixed sleeving 3 and the second fixed sleeving 7, two pull rods 28 are away from wedge shape
One end of fixture block 27 is respectively connected with pulling block 29, offers what wedge-shaped fixture block 27 cooperated on the lateral wall of two fixed blocks 24
Card slot 30, and the lozenges of two wedge-shaped fixture blocks 27, towards upside, this structure causes the first moving casing 4 and the second movable sleeve
Pipe 8 is convenient for opening and closing.
In the present invention, the one end of intermediate reduction gear equipment 9 away from hub reduction equipment 5 is connected with retarder semiaxis 10, slows down
Retainer ring 11 is fixed on device semiaxis 10, fixed plate 12 is installed on the madial wall of retainer ring 11, half is offered in fixed plate 12
Axis hole, retarder semiaxis 10 are plugged in half axis hole, are symmetrically opened up on the two side of fixed plate 12 there are two gathering hole 33, four
A gathering hole 33 offers locking hole on the side wall of 10 one side of retarder semiaxis, and the inside of each locking hole is equipped with
Two fastening bolts 32, it is equidistant on the lateral wall of retarder semiaxis 10 to offer four mounting holes 31, each mounting hole 31 it is interior
The screw thread of the second fastening bolt 32 mutual cooperation is offered on side wall, fixed plate 12 and retarder semiaxis 10 are fixed,
One end of pedestal 1 is equipped with driving motor 14, is fixedly connected with mounting rod 15 on the driving end of driving motor 14, on mounting rod 15
Turntable 16 is installed, it is equidistant on the lateral wall of retainer ring 11 and turntable 16 that multiple sprockets 13 are installed, retainer ring 11 and turn
Together about equipped with chain belt 18 on disk 16, there are two tensiometer 19, two tensiometers 19 are symmetrical above and below to be distributed in for connection in chain belt 18
Between retainer ring 11 and turntable 16, data analysis recorder 20, the output terminal of two tensiometers 19 are installed on the roof of pedestal 1
Input terminal with data analysis recorder 20 is electrically connected, and the input terminal of data analysis recorder 20 and two tensiometers 19 is similary
It being electrically connected with the output terminal of external power supply, the torsion being subject to using tensiometer 19 to retarder semiaxis 10 is detected, and by number
According to recording.
In the present invention, user pulls two pulling blocks 29, and two wedge-shaped fixture blocks 27 is made to be exited from card slot 30, are then opened
First moving casing 4 and the second moving casing 8, hub reduction equipment 5 and intermediate reduction gear equipment 9 are fixed successively, and passed through
Hub reduction equipment 5 and intermediate reduction gear equipment 9 are completely fixed by bolt 22, and fixed plate 12 is sleeved on retarder semiaxis 10, profit
Retarder semiaxis 10 and fixed plate 12 are fixed with the second fastening bolt 32, opens driving motor 14, driving motor 14 is with turn
Disk 16 rotates, and the transmission by chain belt 18 provides torsion to retainer ring 11, and the transmission retarder semiaxis 10 by fixed plate 12 is same
Sample is subject to twisting force, and the pulling force being subject in chain belt 18 is the torsion that retarder semiaxis 10 is subject to, and two tensiometers 19 will
This data sending carries out analysis meter on data analysis recorder 20, passing through to the data recorded on data analysis recorder 20
Calculate the quiet twisting property that can determine whether retarder.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of hub reduction gear static torsion test device, including pedestal（1）, it is characterised in that：The pedestal（1）Roof was last
First fixed seat is installed（2）, first fixed seat（2）On the first fixed sleeving is installed（3）, first fixed sleeving
（3）The top of one side is hinged with the first moving casing（4）, first fixed sleeving（3）With the first moving casing（4）Interior fixation
There is hub reduction equipment（5）, first fixed seat（2）One side the second fixed seat is installed（6）, second fixed seat
（6）On be fixed with the second fixed sleeving（7）, second fixed sleeving（7）The top of one side is hinged with the second moving casing
（8）, second fixed sleeving（7）With the second moving casing（8）Inside it is fixed with intermediate reduction gear equipment（9）, the intermediate reduction gear
Equipment（9）Away from hub reduction equipment（5）One end be connected with retarder semiaxis（10）, the retarder semiaxis（10）Upper fixation
There is retainer ring（11）, the retainer ring（11）Madial wall on fixed plate is installed（12）, the fixed plate（12）On offer
Half axis hole, the retarder semiaxis（10）It is plugged in half axis hole, the pedestal（1）One end driving motor is installed（14）,
The driving motor（14）Driving end on be fixedly connected with mounting rod（15）, the mounting rod（15）On turntable is installed
（16）, the retainer ring（11）And turntable（16）Lateral wall on equidistant multiple sprockets are installed（13）, the retainer ring
（11）And turntable（16）On together about equipped with chain belt（18）, the chain belt（18）There are two tensiometers for upper connection（19）, two institutes
State tensiometer（19）It is symmetrical above and below to be distributed in retainer ring（11）And turntable（16）Between, the pedestal（1）Roof on be equipped with
Data analysis recorder（20）, two tensiometers（19）Output terminal with data analysis recorder（20）Input terminal electricity
Connection, the data analysis recorder（20）With two tensiometers（19）Output terminal of the input terminal equally with external power supply be electrically connected
It connects.
2. a kind of hub reduction gear static torsion test device according to claim 1, it is characterised in that：Described first fixes
Casing（3）With the second fixed sleeving（7）It is symmetrically opened up on internal bottom wall there are three installing port, the bottom inside three installing ports
Collar aperture is offered on wall, the inside in each described sleeve pipe hole is equipped with the first fastening bolt（21）, first fixed seat
（2）With the second fixed seat（6）Roof on offer arc port, offer three on the bottom wall on the inside of two arc ports
A and the first fastening bolt（21）The threaded hole of mutual cooperation.
3. a kind of hub reduction gear static torsion test device according to claim 1, it is characterised in that：Described first fixes
Casing（3）With the second fixed sleeving（7）Top away from hinged end one side offers fixing groove（23）, first movable sleeve
Pipe（4）With the second moving casing（8）Bottom away from hinged end one side is equipped with and fixing groove（23）The fixed block of mutual cooperation
（24）, two fixing grooves（23）Fixture block groove is offered on internal side wall（25）, two fixture block grooves（25）It is internal
Away from fixed block（24）Spring is mounted on the side wall of one side（26）, two springs（26）Close to fixed block（24）One
End is mounted on wedge-shaped fixture block（27）, two wedge-shaped fixture blocks（27）Away from fixed block（24）It is respectively connected on the side wall of one side
Pull rod（28）, and two pull rods（28）Extend through two fixture block grooves（25）Madial wall and extend to the first fixed sleeving（3）
With the second fixed sleeving（7）Outside, two pull rods（28）Away from wedge shape fixture block（27）One end be respectively connected with pulling block
（29）, two fixed blocks（24）Lateral wall on offer wedge-shaped fixture block（27）The card slot of mutual cooperation（30）, and two
A wedge shape fixture block（27）Lozenges towards upside.
4. a kind of hub reduction gear static torsion test device according to claim 1, it is characterised in that：The fixed plate
（12）Two side on symmetrically open up there are two gathering hole（33）, four gathering holes（33）Close to retarder semiaxis（10）
Locking hole is offered on the side wall of one side, the inside of each locking hole is equipped with the second fastening bolt（32）, it is described to subtract
Fast device semiaxis（10）Lateral wall on equidistant offer four mounting holes（31）, each mounting hole（31）Madial wall on
Offer the second fastening bolt（32）The screw thread of mutual cooperation.
5. a kind of hub reduction gear static torsion test device according to claim 1, it is characterised in that：The hub reduction
Equipment（5）With intermediate reduction gear equipment（9）Slot, first moving casing are offered on the lateral wall on top（4）With second
Moving casing（8）Roof on offer jack corresponding with slot position, the jack is slotting with being inserted with jointly in slot
Pin（22）.
6. a kind of hub reduction gear static torsion test device according to claim 1, it is characterised in that：Described first fixes
Casing（3）With the first moving casing（4）Madial wall on be sticked and have anti-skidding rubber, second fixed sleeving（7）With second
Moving casing（8）Madial wall on be equally sticked and have anti-skidding rubber.
7. a kind of hub reduction gear static torsion test device according to claim 1, it is characterised in that：Described second fixes
Seat（6）Both sides be mounted on reinforcing plate（17）, and two reinforcing plates（17）Bottom and bottom plate（1）Roof fix connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294000.7A CN108061650B (en) | 2017-12-08 | 2017-12-08 | A kind of hub reduction gear static torsion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294000.7A CN108061650B (en) | 2017-12-08 | 2017-12-08 | A kind of hub reduction gear static torsion test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108061650A true CN108061650A (en) | 2018-05-22 |
| CN108061650B CN108061650B (en) | 2019-10-29 |
Family
ID=62135443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711294000.7A Active CN108061650B (en) | 2017-12-08 | 2017-12-08 | A kind of hub reduction gear static torsion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108061650B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844876A (en) * | 2006-03-24 | 2006-10-11 | 哈尔滨工业大学 | Hydraulic enclosed loading test bench for wheel and axle |
| CN201749025U (en) * | 2010-05-31 | 2011-02-16 | 三一重型装备有限公司 | Vehicle hub reduction gear test device |
| CN104390779A (en) * | 2015-01-06 | 2015-03-04 | 广西柳工机械股份有限公司 | Speed reducer testing system |
| CN105628379A (en) * | 2016-03-10 | 2016-06-01 | 索特传动设备有限公司 | Speed reducer test device |
| CN205506392U (en) * | 2016-03-10 | 2016-08-24 | 索特传动设备有限公司 | Speed reducer test device |
-
2017
- 2017-12-08 CN CN201711294000.7A patent/CN108061650B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844876A (en) * | 2006-03-24 | 2006-10-11 | 哈尔滨工业大学 | Hydraulic enclosed loading test bench for wheel and axle |
| CN201749025U (en) * | 2010-05-31 | 2011-02-16 | 三一重型装备有限公司 | Vehicle hub reduction gear test device |
| CN104390779A (en) * | 2015-01-06 | 2015-03-04 | 广西柳工机械股份有限公司 | Speed reducer testing system |
| CN105628379A (en) * | 2016-03-10 | 2016-06-01 | 索特传动设备有限公司 | Speed reducer test device |
| CN205506392U (en) * | 2016-03-10 | 2016-08-24 | 索特传动设备有限公司 | Speed reducer test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108061650B (en) | 2019-10-29 |
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