CN109050243B - Gear box suspension device - Google Patents
Gear box suspension device Download PDFInfo
- Publication number
- CN109050243B CN109050243B CN201810986635.1A CN201810986635A CN109050243B CN 109050243 B CN109050243 B CN 109050243B CN 201810986635 A CN201810986635 A CN 201810986635A CN 109050243 B CN109050243 B CN 109050243B
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- Prior art keywords
- gearbox
- accommodating cavity
- framework
- gear box
- traction rope
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a gearbox suspension device. The gearbox hanging device comprises a pull rod, a gearbox connecting structure and a framework connecting structure, wherein the pull rod comprises a connecting part, an inserting part and a screw part, the inserting part and the screw part are respectively formed at two ends of the connecting part, and a framework mounting seat plate of the framework is connected with the screw part through the framework connecting structure; the gearbox hanging seat of the gearbox is connected with the plug-in part through the gearbox connecting structure. The pull rod is connected with the gear box through the joint bearing at one end, the rubber buffer pad is connected with the bogie frame at one end, the connecting component is added, the dead weight of the gear box suspension device is reduced, the effect of the weight of the gear box can be borne, the gear box can be effectively balanced to rotate relative to the axle and swing and incline relative to the frame, the functions of buffering and absorbing vibration are achieved, the running requirement of a vehicle is met, and the device is simple in structure and convenient to maintain.
Description
Technical Field
The invention relates to the field of gearbox suspension, in particular to a gearbox suspension device.
Background
In a rolling stock transmission system, an axle gear box is mounted on an axle and rotates with each other, and because the center of gravity of the gear box is not generally on the axle center line, the gear box rotates around the axle in a free state without external limiting measures. When in actual work, if the position of the axle gear box is not fixed by hanging, larger vibration and noise can be generated, the gear box can fall onto the sleeper, and the running and operation of the whole vehicle are safe in severe crisis, so that the hanging of the axle gear box is indispensable.
The existing axle gear box hanging has three problems: firstly, the shock absorption measures are imperfect, and no shock absorption structure in the transverse direction (transverse vibration and swing can be generated when the whole vehicle turns or turns) is provided; secondly, the axle gear box has limited movable space, and the axle gear box is limited in movement when the vehicle is braked or turned in emergency, and can only bear impact load by the rigid connection structure of the hanger, so that the hanger structure is easy to damage early, and the service life is reduced; thirdly, the existing hanging device can only adjust the transverse position and cannot adjust the height in the longitudinal direction (vertical direction) after being installed, so that the gearbox cannot be installed at the required height position, if machining errors exist in parts, the input axis of the gearbox cannot be completely horizontal, and therefore transmission efficiency of a transmission system is reduced and noise is increased. Under certain working conditions, the gear box needs to be inclined at a certain angle and also needs to be hung on the longitudinal direction to be adjustable.
Accordingly, there is a need to provide a new gearbox suspension that addresses the above-described problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a gearbox suspension device.
The invention provides a gearbox hanging device which is used for connecting a framework and a gearbox, wherein the gearbox hanging device comprises a pull rod, a gearbox connecting structure and a framework connecting structure, the pull rod comprises a connecting part, an inserting part and a screw part, the inserting part and the screw part are respectively formed at two ends of the connecting part, and a framework mounting seat plate of the framework is connected with the screw part through the framework connecting structure; the gearbox hanging seat of the gearbox is connected with the plug-in part through the gearbox connecting structure.
Preferably, the gear box connecting structure comprises a pin shaft, a bushing, a knuckle bearing, a check ring and a first connecting piece; the gear box hanging seat is sleeved on the pin shaft through a through hole of the gear box hanging seat, the joint bearing surrounds the pin shaft and is arranged in the through hole, the joint bearing is connected with the pin shaft and the gear box hanging seat and supports the gear box hanging seat to rotate with the pin shaft as an axis, the joint bearing is sleeved on the bushing of the pin shaft and the two gear shaping intervals, and the joint bearing is fixedly arranged in the through hole through a retainer ring arranged on two end faces of the joint bearing.
Preferably, the frame connection structure includes first pressure pad, first rubber cushion, second pressure pad, second rubber cushion, packing ring and second connecting piece, screw rod portion runs through in proper order first pressure pad, first rubber cushion, frame installation bedplate, second rubber cushion and second pressure pad, the packing ring with the second connecting piece is emboliaed respectively in proper order and is screwed into the screw rod portion is kept away from the one end of portion of inserting, its two are used for fixing the frame installation bedplate.
Preferably, an oil cup is arranged at one end, far away from the first connecting piece, of the pin shaft, a lubricating oil hole is formed in the pin shaft, and the lubricating oil hole is communicated with the oil cup and the inner periphery of the knuckle bearing.
Preferably, the rubber cushion pad and the frame mounting base plate are adhered and fixed.
Preferably, the first connector and the second connector each comprise a cotter nut and cotter pin.
Preferably, the connecting part is internally provided with a spherical first accommodating cavity, a second accommodating cavity communicated with the first accommodating cavity and the framework mounting seat plate, and a third accommodating cavity communicated with the first accommodating cavity and the insertion part, the gearbox hanging device further comprises a connecting component, and the connecting component comprises a balance ball accommodated in the first accommodating cavity, a first traction rope accommodated in the second accommodating cavity and used for connecting the balance ball and the framework mounting seat plate, and a second traction rope accommodated in the third accommodating cavity and used for connecting the balance ball and the insertion part; the two opposite ends of the balance ball are provided with a first hook connected with one end of the first traction rope and a second hook connected with one end of the second traction rope, the opposite positions of the framework mounting seat plate and the first hook are provided with mounting holes, the other end of the first traction rope penetrates through the mounting holes and is wound on a rectangular rod, one side, away from the first hook, of the mounting holes is provided with a groove matched with the rectangular rod in size, and the rectangular rod is embedded in the groove.
Preferably, the opposite end surfaces of the inserting part and the connecting part comprise a rotating shaft and a rotating disc encircling the rotating shaft, the rotating disc radially displaces by the rotating shaft and taking the rotating shaft as a circle center, a fixing hole is formed in the rotating disc, and the other end of the second traction rope is wound around the fixing hole and connected with the fixing hole.
Preferably, the number of the first traction rope, the second traction rope, the first accommodating cavity, the second accommodating cavity, the mounting hole, the rectangular rod and the fixing hole is three, the cross sections of the first accommodating cavity and the second accommodating cavity are positioned in the same circumference and have the same interval radian, and the mounting hole is opposite to the opening positions of the two ends of the first accommodating cavity and the second accommodating cavity respectively.
Preferably, the first traction rope and the second traction rope are formed by twisting a plurality of steel wires, the balance ball is a copper ball, the outer surfaces of the first traction rope, the second traction rope and the balance ball are coated with polyurethane layers, the inner wall of the first accommodating cavity is formed by combining a plurality of arc surfaces, and the radian of the arc surfaces is the same as that of the balance ball.
Compared with the prior art, the gearbox hanging device provided by the invention comprises a pull rod, a gearbox connecting structure and a framework connecting structure, wherein the pull rod comprises a connecting part, an inserting part and a screw part which are respectively formed at two ends of the connecting part, and a framework mounting seat plate of the framework is connected with the screw part through the framework connecting structure; the gearbox hanging seat of the gearbox is connected with the plug-in part through the gearbox connecting structure. The pull rod is connected with the gear box through the joint bearing at one end, the rubber buffer pad is connected with the bogie frame at one end, the connecting component is added, the dead weight of the gear box suspension device is reduced, the effect of the weight of the gear box can be borne, the gear box can be effectively balanced to rotate relative to the axle and swing and incline relative to the frame, the functions of buffering and absorbing vibration are achieved, the running requirement of a vehicle is met, and the device is simple in structure and convenient to maintain.
Drawings
FIG. 1 is a schematic view of a suspension arrangement for a gearbox according to the present invention;
FIG. 2 is a schematic cross-sectional view of the tie rod of FIG. 1;
FIG. 3 is a schematic cross-sectional view of one end of the connecting portion shown in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the other end of the connecting portion shown in FIG. 1;
FIG. 5 is a schematic view of an end face of the plug portion shown in FIG. 1;
FIG. 6 is a schematic view of an end face structure of the frame mounting plate of FIG. 1.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a suspension device for a gearbox according to the present invention; FIG. 2 is a schematic cross-sectional view of the tie rod of FIG. 1; FIG. 3 is a schematic cross-sectional view of one end of the connecting portion shown in FIG. 1; FIG. 4 is a schematic cross-sectional view of the other end of the connecting portion shown in FIG. 1; FIG. 5 is a schematic view of an end face of the plug portion shown in FIG. 1; FIG. 6 is a schematic view of an end face structure of the frame mounting plate of FIG. 1. The gearbox suspension 100 comprises a drawbar 1, a gearbox connection structure 2, a frame connection structure 3 and a connection assembly 4.
The pull rod 1 comprises a connecting part 11, an inserting part 12 and a screw part 13 which are respectively formed at two ends of the connecting part 11, and a framework mounting seat board 20 of the framework is connected with the screw part 13 through the framework connecting structure 3; the gearbox hanging socket 30 of the gearbox is connected with the plug-in part 12 through the gearbox connecting structure 2.
The gear box connecting structure 2 comprises a pin shaft 21, a bushing 22, a knuckle bearing 23, a check ring 24 and a first connecting piece 25; the inserting portion 12 has two parallel spaced gear shaping teeth, the pin shaft 21 sequentially penetrates through the two gear shaping teeth and is fixed by being screwed to the first connecting piece 25 at one end of the pin shaft 21, the gearbox hanging seat 30 is sleeved on the pin shaft 21 through a through hole of the gearbox hanging seat, the knuckle bearing 23 surrounds the pin shaft 21 and is arranged in the through hole, the knuckle bearing 23 is connected with the pin shaft 21 and the gearbox hanging seat 30 and supports the gearbox hanging seat 30 to rotate by taking the pin shaft 21 as an axis, the knuckle bearing 23 is sleeved on the bushing 22 and two gear shaping teeth of the pin shaft 21, and the knuckle bearing 23 is fixedly arranged in the through hole through the retainer rings 24 arranged on two end faces of the knuckle bearing.
The two ends are blocked by the check rings 24, left and right movement is prevented, the inner ring is fixed on the pin shaft 21, and the positioning is performed through the bushings 22 sleeved on the two ends of the pin shaft 21. The knuckle bearing 23 can adjust deflection in a certain range, has good buffering performance, meets the condition that the gear box and the framework incline or swing when the vehicle runs, and can adapt to the rotation of the gear box relative to the axle.
The frame connecting structure 3 comprises a first pressing pad 31, a first rubber buffer pad 32, a second pressing pad 33, a second rubber buffer pad 34, a gasket 35 and a second connecting piece 36, wherein the screw rod portion 13 sequentially penetrates through the first pressing pad 31, the first rubber buffer pad 32, the frame mounting seat board 20, the second rubber buffer pad 34 and the second pressing pad 33, and the gasket 35 and the second connecting piece 36 are sequentially sleeved and screwed into one end, far away from the plug-in portion 12, of the screw rod portion 13, and are used for fixing the frame mounting seat board 20.
The first pressing pad 31, the second pressing pad 33, the first rubber cushion 32 and the second rubber cushion 34 form a positioning buffer structure, the positioning buffer structure is symmetrically arranged at two ends of the frame mounting seat board 20, after the second connecting piece 36 is locked, the first rubber cushion 32 and the second rubber cushion 34 have certain pre-pressing, have a buffer function, and reduce the impact of the frame to the gear box.
An oil cup 26 is arranged at one end of the pin shaft 21 far away from the first connecting piece 25, a lubricating oil hole 27 is formed in the pin shaft 21, and the lubricating oil hole 27 is communicated with the oil cup 26 and the inner periphery of the knuckle bearing 23.
The oil cup 26 is used for lubricating the knuckle bearing 23 to avoid the knuckle bearing 23 from being jammed.
In this embodiment, the rubber cushion pad and the frame mounting base plate 20 are adhesively secured; not only has the buffering function, but also improves the service life of the buffer cushion.
The first connector 25 and the second connector 36 each include a cotter nut and cotter pin.
The connecting portion 11 has a spherical first receiving chamber 111, a second receiving chamber 112 communicating the first receiving chamber 111 with the frame mounting base plate 20, and a third receiving chamber 113 communicating the first receiving chamber 111 with the insertion portion 12.
The connection assembly 4 includes a balance ball 41 accommodated in the first accommodating chamber 111, a first drag rope 42 accommodated in the second accommodating chamber 112 for connecting the balance ball 41 and the frame mounting base plate 20, and a second drag rope 43 accommodated in the third accommodating chamber 113 for connecting the balance ball 41 and the insertion portion 12; the balance ball 41 is formed at opposite ends thereof with a first hook 411 for coupling with one end of the first traction rope 42 and a second hook 412 for coupling with one end of the second traction rope 43.
Specifically, the ends of the first and second traction ropes 42 and 43 are respectively wound around and connected to the first and second hooks 411 and 412.
The opposite positions of the frame mounting seat board 20 and the first hook 411 are provided with mounting holes 201, the other ends of the first traction ropes 42 penetrate through the mounting holes 201 and are wound on rectangular rods 202, grooves matched with the rectangular rods 202 in size are formed in one side, away from the first hook 411, of the mounting holes 201, and the rectangular rods 202 are embedded in the grooves.
The opposite end surfaces of the insertion portion 12 and the connection portion 11 include a rotating shaft 121 and a rotating disc 122 surrounding the rotating shaft 121, the rotating disc 122 radially displaces through the rotating shaft 121 by taking the rotating shaft 121 as a center, a fixing hole 120 is formed in the rotating disc 122, and the other end of the second drag rope 43 penetrates through the fixing hole 120 and is wound around the rotating disc 122 to be connected.
The rotation of the turntable 122 solves the problem that the gearbox and the framework incline or swing in the train running steering process.
The number of the first traction rope 42, the second traction rope 43, the second accommodating cavity 112, the third accommodating cavity 113, the mounting hole 201, the rectangular rod 202 and the fixing hole 120 is three, the cross sections of the second accommodating cavity 112 and the third accommodating cavity 113 are located in the same circumference and have the same interval radian, and the mounting hole 201, the rectangular rod 202 and the fixing hole 120 are respectively opposite to the opening positions of the two ends of the second accommodating cavity 112 and the third accommodating cavity 113.
The first drag rope 42 and the second drag rope 43 are formed by twisting a plurality of steel wires, the balance ball 41 is a copper ball, the outer surfaces of the first drag rope 42, the second drag rope 43 and the balance ball 41 are all coated with polyurethane layers (not shown), the inner wall of the first accommodating cavity 111 is formed by combining a plurality of arc surfaces, and the radian of the arc surfaces is the same as that of the balance ball.
When the gearbox hanging device 100 is used, the first traction rope 42 and the second traction rope 43 are tensioned and fixed through the rectangular rod 202 and the turntable 122, the balance ball 41 is suspended at the center of the first accommodating cavity 111, when the gearbox and the framework incline or swing during running of a vehicle, the balance ball 41 moves in the first accommodating cavity 111 and is embedded into the cambered surface of the inner wall of the first accommodating cavity 111 to clamp the framework and the gearbox, the balance ball 41 is used for fixing the gearbox hanging device 100, and when the longitudinal height of the gearbox hanging device 100 needs to be adjusted, the winding length of the first traction rope 42 and the second traction rope 43 on the rectangular rod 202 and the turntable 122 is adjusted, so that the longitudinal height of the gearbox hanging device 100 is adjusted.
The gearbox hanging device comprises a pull rod, a gearbox connecting structure and a framework connecting structure, wherein the pull rod comprises a connecting part, an inserting part and a screw part, the inserting part and the screw part are respectively formed at two ends of the connecting part, and a framework mounting seat plate of the framework is connected with the screw part through the framework connecting structure; the gearbox hanging seat of the gearbox is connected with the plug-in part through the gearbox connecting structure. The pull rod is connected with the gear box through the joint bearing at one end, the rubber buffer pad is connected with the bogie frame at one end, the connecting component is added, the dead weight of the gear box suspension device is reduced, the effect of the weight of the gear box can be borne, the gear box can be effectively balanced to rotate relative to the axle and swing and incline relative to the frame, the functions of buffering and absorbing vibration are achieved, the running requirement of a vehicle is met, and the device is simple in structure and convenient to maintain.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The gearbox hanging device is used for connecting a framework and a gearbox and is characterized by comprising a pull rod, a gearbox connecting structure and a framework connecting structure, wherein the pull rod comprises a connecting part, an inserting part and a screw part which are respectively formed at two ends of the connecting part, and a framework mounting seat plate of the framework is connected with the screw part through the framework connecting structure; the gearbox hanging seat of the gearbox is connected with the plug-in part through the gearbox connecting structure, and the gearbox connecting structure comprises a pin shaft, a bushing, a joint bearing and a check ring; the gear box hanging seat is sleeved on the pin shaft through a through hole of the gear box hanging seat, the joint bearing surrounds the pin shaft and is arranged in the through hole, the joint bearing is connected with the pin shaft and the gear box hanging seat and supports the gear box hanging seat to rotate by taking the pin shaft as an axis, and the joint bearing is sleeved on the bushing of the pin shaft and the two gear shaping intervals through the check rings arranged on two end surfaces of the joint bearing and is fixedly arranged in the through hole; the framework connecting structure comprises a first pressing pad, a first rubber buffer pad, a second pressing pad, a second rubber buffer pad, a gasket and a second connecting piece, wherein the screw rod part sequentially penetrates through the first pressing pad, the first rubber buffer pad, a framework mounting seat plate, the second rubber buffer pad and the second pressing pad, the gasket and the second connecting piece are sequentially sleeved in and screwed into one end, far away from the plug-in part, of the screw rod part respectively, the gasket and the second connecting piece are used for fixing the framework mounting seat plate, the rubber buffer pad and the framework mounting seat plate are fixedly bonded, a round first accommodating cavity, a second accommodating cavity communicated with the first accommodating cavity and the framework mounting seat plate, a third accommodating cavity communicated with the first accommodating cavity and the plug-in part are arranged in the connecting part, and the gearbox hanging device further comprises a connecting component, wherein the connecting component comprises a balancing ball accommodated in the first accommodating cavity, a first drag rope accommodated in the second accommodating cavity and used for connecting the balancing ball and the framework mounting seat plate, the second traction rope is accommodated in the third accommodating cavity and connected with the balance ball and the inserting part; the two opposite ends of the balance ball are provided with a first hook connected with one end of the first traction rope and a second hook connected with one end of the second traction rope, the opposite positions of the framework mounting seat plate and the first hook are provided with mounting holes, the other end of the first traction rope penetrates through the mounting holes and is wound on a rectangular rod, one side, away from the first hook, of the mounting holes is provided with a groove matched with the rectangular rod in size, and the rectangular rod is embedded in the groove.
2. The gearbox suspension device of claim 1 wherein an end of the pin remote from the first connection member has an oil cup, the pin being formed with a lubrication oil hole that communicates the oil cup with an inner periphery of the knuckle bearing.
3. The gearbox suspension of claim 1 wherein the first and second connectors each comprise a threaded nut and cotter pin.
4. A gearbox hanging device according to claim 3, wherein the opposite end surfaces of the insertion part and the connecting part comprise a rotating shaft and a rotating disc encircling the rotating shaft, the rotating disc radially displaces by the rotating shaft with the rotating shaft as a circle center, a fixing hole is formed on the rotating disc, and the other end of the second traction rope is wound on the fixing hole and connected with the fixing hole.
5. The suspension device of claim 4, wherein the number of the first drag rope, the second drag rope, the first accommodating cavity, the second accommodating cavity, the mounting hole, the rectangular rod and the fixing hole is three, the cross sections of the first accommodating cavity and the second accommodating cavity are positioned in the same circumference and have the same interval radian, and the mounting hole is opposite to the opening positions of the two ends of the first accommodating cavity and the second accommodating cavity respectively.
6. The gearbox hanging device according to claim 5, wherein the first traction rope and the second traction rope are formed by twisting a plurality of steel wires, the balance ball is a copper ball, the outer surfaces of the first traction rope, the second traction rope and the balance ball are coated with polyurethane layers, the inner wall of the first accommodating cavity is formed by combining a plurality of arc surfaces, and the radian of the arc surfaces is the same as that of the balance ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986635.1A CN109050243B (en) | 2018-08-28 | 2018-08-28 | Gear box suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986635.1A CN109050243B (en) | 2018-08-28 | 2018-08-28 | Gear box suspension device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109050243A CN109050243A (en) | 2018-12-21 |
| CN109050243B true CN109050243B (en) | 2023-08-22 |
Family
ID=64757239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986635.1A Active CN109050243B (en) | 2018-08-28 | 2018-08-28 | Gear box suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050243B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248292A (en) * | 2005-07-18 | 2008-08-20 | Dti集团有限公司 | Gear module |
| JP2010132099A (en) * | 2008-12-04 | 2010-06-17 | Toyo Electric Mfg Co Ltd | Gearbox hanging device without joint misalignment amount adjusting liner |
| CN104191967A (en) * | 2014-09-24 | 2014-12-10 | 常州市瑞泰工程机械有限公司 | Transfer case suspension device |
| CN105292139A (en) * | 2015-10-19 | 2016-02-03 | 中国北车集团大同电力机车有限责任公司 | Locomotive bogie |
| CN106494210A (en) * | 2016-11-25 | 2017-03-15 | 安徽江淮汽车集团股份有限公司 | A kind of load-carrying vehicle dynamic assembly suspension |
-
2018
- 2018-08-28 CN CN201810986635.1A patent/CN109050243B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248292A (en) * | 2005-07-18 | 2008-08-20 | Dti集团有限公司 | Gear module |
| JP2010132099A (en) * | 2008-12-04 | 2010-06-17 | Toyo Electric Mfg Co Ltd | Gearbox hanging device without joint misalignment amount adjusting liner |
| CN104191967A (en) * | 2014-09-24 | 2014-12-10 | 常州市瑞泰工程机械有限公司 | Transfer case suspension device |
| CN105292139A (en) * | 2015-10-19 | 2016-02-03 | 中国北车集团大同电力机车有限责任公司 | Locomotive bogie |
| CN106494210A (en) * | 2016-11-25 | 2017-03-15 | 安徽江淮汽车集团股份有限公司 | A kind of load-carrying vehicle dynamic assembly suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109050243A (en) | 2018-12-21 |
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