CN112606645A - Non-equidistant suspension device of engineering vehicle - Google Patents
Non-equidistant suspension device of engineering vehicle Download PDFInfo
- Publication number
- CN112606645A CN112606645A CN202011617226.8A CN202011617226A CN112606645A CN 112606645 A CN112606645 A CN 112606645A CN 202011617226 A CN202011617226 A CN 202011617226A CN 112606645 A CN112606645 A CN 112606645A
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- frame
- push rod
- oil cylinder
- axle
- suspension oil
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- 239000000725 suspension Substances 0.000 title claims abstract description 76
- 238000004146 energy storage Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/005—Suspension locking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0165—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a non-equidistant suspension device of an engineering vehicle, which comprises a front frame and a rear frame, wherein the left side and the right side in the front frame are respectively connected with a front suspension oil cylinder, the lower end of the front suspension oil cylinder is connected with a front axle, the front frame is connected with the front axle through a front upper push rod and a front lower push rod, the front upper push rod is positioned above a front lower push rod, the upper push rod is arranged in a right splayed shape, the front end and the rear end of the front upper push rod are respectively hinged with the front axle and the front frame, the front lower push rod is arranged in parallel with the front frame, the connection structure of the rear frame is similar to that of the front frame, a front electromagnetic valve and a front energy accumulator are arranged in the front frame, a rear electromagnetic valve and a rear energy accumulator are arranged in the rear frame, and limiting supports for limiting the front axle and. According to the non-equidistant suspension device for the engineering vehicle, the stress on the upper push rod and the lower push rod at the front and the rear are balanced under the working condition, and the requirement that a rear axle swings left and right on a rugged road is met; the front and rear suspension oil cylinders are stressed evenly under the driving working condition, and the anti-roll capability and the smoothness of the whole machine are improved.
Description
Technical Field
The invention relates to a non-equidistant suspension device of an engineering vehicle, belonging to the technical field of tire type engineering vehicles.
Background
According to the requirements of working environment and working condition, the tire type engineering vehicle, particularly the tire type loader and the bulldozer have higher requirements on the adaptability of the working condition and the high-speed running smoothness of the suspension. However, the currently used vehicle suspension device cannot simultaneously give consideration to the smoothness and the anti-roll capability under the high-speed driving working condition, and can meet the requirements of unbalanced stress of the front and rear suspensions and the adaptability of the whole machine operation under the working condition.
Disclosure of Invention
The invention aims to solve the technical problem of providing a non-equidistant suspension device of an engineering vehicle, which can meet the adaptability requirement of the engineering vehicle under the running working condition and the working condition.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a non-equidistant suspension device of an engineering vehicle comprises a front frame and a rear frame, wherein the left side and the right side in the front frame are respectively connected with a front suspension oil cylinder, the lower end of the front suspension oil cylinder is connected with a front axle, the front frame is connected with the front axle through a front upper push rod and a front lower push rod, the front upper push rod is positioned above a front lower push rod, the front upper push rod is arranged in a shape like a Chinese character 'ba', the front end and the rear end of the front upper push rod are respectively hinged with the front axle and the front frame, the front lower push rod is arranged in parallel with the front frame, the left side and the right side outside the rear frame are respectively connected with a rear suspension oil cylinder, the lower end of the rear suspension oil cylinder is connected with a rear axle, the rear frame is connected with the rear axle through a rear upper push rod and a rear lower push rod, the rear upper push rod is positioned above the rear lower push rod, the rear upper push rod, the front end and the rear end of the rear upper push rod are respectively hinged with the rear frame and the rear axle, the rear lower push rod is arranged in parallel with the rear frame, a front electromagnetic valve and a front energy accumulator are installed in the front frame, a rear electromagnetic valve and a rear energy accumulator are installed in the rear frame, and limiting supports for limiting the front axle and the rear axle are respectively arranged in the front frame and the rear frame.
The front upper push rod and the front lower push rod are arranged at equal intervals on the longitudinal projection and form an approximately equilateral quadrilateral structure with the front axle and the front frame.
The rear upper push rod and the rear lower push rod are arranged at equal intervals on the longitudinal projection and form an approximately equilateral quadrilateral structure with the rear axle and the rear frame.
The rear end of the front frame is hinged with the front end of the rear frame.
The lower connecting point of the front suspension oil cylinder is located at the lowest position of the rear side of the front axle, and the lower connecting point of the rear suspension oil cylinder is located at the lowest position of the rear side of the rear axle.
The front suspension oil cylinder and the rear suspension oil cylinder on the same side are arranged in a splayed shape in a transverse projection manner, the front suspension oil cylinder is positioned at the lower limit rigid lock when in an operation working condition, and the rear suspension oil cylinder is positioned at the middle position; the front suspension oil cylinder is positioned at the middle position under the running working condition, and the rear suspension oil cylinder is still positioned at the middle position.
The invention has the beneficial effects that:
1. the front axle and the front frame and the rear axle and the rear frame are connected through the suspension oil cylinders, when the engineering vehicle runs, the front suspension oil cylinder and the rear suspension oil cylinder are in the middle position, the front suspension oil cylinder and the rear suspension oil cylinder are stressed in a balanced mode, and the high-speed running smoothness and the steering anti-roll capability of the whole machine are improved. When the front and rear suspension oil cylinders are at the lowest position at the same time, the height of the whole machine is reduced, and the adaptability to working conditions such as bridge openings and tunnels is improved. When the front and rear suspension oil cylinders are at the highest position at the same time, the height of the whole machine rises, and the adaptability to working conditions such as wading is improved.
2. When the engineering vehicle works, the front suspension oil cylinder is in a lower limit rigid locking state, so that a limit support on the front frame is connected with a front axle, when the whole vehicle is shoveled or earthed, the front axle bears most of impact load, and the upper and lower push rods bear less impact load, so that the device is protected; at the moment, the rear suspension oil cylinder is in the middle position, and the requirement that the rear axle swings left and right on a rugged road surface is met.
3. The upper push rod and the lower push rod which are used for connecting the frame and the bridge in the device are arranged on the longitudinal projection at equal distance, and form an approximately equilateral quadrilateral structure with the frame and the bridge, so that the bridge only performs translational motion in the motion process under the running working condition, and the balanced stress of the front suspension oil cylinder and the rear suspension oil cylinder and the push rods is ensured.
Drawings
FIG. 1 is a front view structural schematic diagram of a non-equidistant suspension device of a work vehicle, provided by the invention;
fig. 2 is a schematic top view of a non-equidistant suspension device of a working vehicle according to the invention.
The reference numbers in the figures are as follows: 1-a front frame; 2-front electromagnetic valve; 3-limiting a support; 4-a front axle; 5-front suspension oil cylinder; 6-front accumulator; 7-front upper push rod; 8-front lower push rod; 9-rear frame; 10-rear axle; 11-a rear suspension cylinder; 12-rear push-up rod; 13-rear lower push rod; 14-rear electromagnetic valve; 15-rear accumulator.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
As shown in fig. 1 and 2, the non-equidistant suspension device for the engineering vehicle comprises a front frame 1 and a rear frame 9, wherein the rear end of the front frame 1 is hinged with the front end of the rear frame 9, and the front frame 1 and the rear frame 9 can swing left and right.
The front frame 1 is connected with the front axle 4 through a front upper push rod 7 and a front lower push rod 8, the front upper push rod 7 is positioned above the front lower push rod 8, the front upper push rod 7 is arranged in a shape like a Chinese character 'ba', the front end and the rear end of the front upper push rod 7 are respectively hinged with the front axle 4 and the front frame 1, and the front lower push rod 8 is arranged in parallel with the front frame 1. The front upper push rod 7 and the front lower push rod 8 are arranged at equal intervals on the longitudinal projection, and form an approximately equilateral quadrilateral structure with the front axle 4 and the front frame 1, so that the front axle 4 can move up and down under the running condition. Meanwhile, the distance between the front upper push rod 7 and the ground is about twice that between the front upper push rod 7 and the front lower push rod 8, and the front upper push rod 7 and the front lower push rod 8 are balanced in stress. The left side and the right side in the front frame 1 are respectively connected with a front suspension oil cylinder 5, and the two front suspension oil cylinders 5 are arranged in bilateral symmetry. The lower end of the front suspension oil cylinder 5 is connected with a front axle 4, and the lower connecting point of the front suspension oil cylinder 5 is located at the lowest position of the rear side of the front axle 4, so that the stress point of the whole vehicle is fully guaranteed to move downwards when the whole vehicle runs and works, and the heeling capacity is improved. A front electromagnetic valve 2 and a front energy accumulator 6 are arranged in the front frame 1, and a limiting support 3 for limiting a front axle 4 is arranged in the front frame 1.
The rear frame 9 is connected with the rear axle 10 through a rear upper push rod 12 and a rear lower push rod 13, the rear upper push rod 12 is positioned above the rear lower push rod 13, the rear upper push rod 12 is arranged in an inverted splayed shape, the front end and the rear end of the rear upper push rod 12 are respectively hinged with the rear frame 9 and the rear axle 10, and the rear lower push rod 13 is arranged in parallel with the rear frame 9. The rear upper push rod 12 and the rear lower push rod 13 are arranged at equal intervals on the longitudinal projection, and form an approximately equilateral quadrilateral structure with the rear axle 10 and the rear frame 9, so that the rear axle 9 can translate up and down under the driving working condition. Meanwhile, the distance between the rear upper push rod 12 and the ground is about twice as long as the distance between the rear upper push rod 12 and the rear lower push rod 13, and the rear upper push rod 12 and the rear lower push rod 13 are enabled to be stressed evenly. The left side and the right side outside the rear frame 9 are respectively connected with a rear suspension oil cylinder 11, the lower end of the rear suspension oil cylinder 11 is connected with a rear axle 10, and the lower connecting point of the rear suspension oil cylinder 11 is located at the lowest position of the rear side of the rear axle 10, so that the stress point of the whole machine is fully guaranteed to move downwards when the whole vehicle runs and works, and the heeling capacity is improved. A rear electromagnetic valve 14 and a rear energy accumulator 15 are arranged in the rear frame 9, and a limiting support 3 for limiting the rear axle 10 is arranged in the rear frame 9.
The working process of the invention is as follows: the front suspension oil cylinder 5 and the rear suspension oil cylinder 11 on the same side in the front and the rear are arranged in a splayed non-equidistant mode in the transverse projection. When the vehicle runs, the front electromagnetic valve 2 is opened, the front suspension oil cylinder 5 is connected with the front energy accumulator 6, the rear electromagnetic valve 14 is opened, the rear suspension oil cylinder 11 is connected with the rear energy accumulator 15, and the front suspension oil cylinder 5 and the rear suspension oil cylinder 11 are located at the middle positions, so that the high-speed running smoothness is guaranteed, and the anti-roll capability of the vehicle during steering is improved. When the vehicle works, the front electromagnetic valve 2 is closed, the front suspension oil cylinder 5 is connected and closed with the front energy accumulator 6, the rear electromagnetic valve 14 is still opened, the rear suspension oil cylinder 11 is connected with the rear energy accumulator 15, the front suspension oil cylinder 5 is in the lowest position locking state at the moment, the rear suspension oil cylinder 11 is in the middle position, the working front axle is guaranteed to bear large impact load, the upper push rod and the lower push rod bear the requirement of small load, and meanwhile the requirement of left and right swinging of the vehicle rear axle under the rough ground working condition is met.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides a non-equidistance suspension device of engineering vehicle which characterized in that: comprises a front frame (1) and a rear frame (9), wherein the left side and the right side in the front frame (1) are respectively connected with a front suspension oil cylinder (5), the lower end of the front suspension oil cylinder (5) is connected with a front axle (4), the front frame (1) is connected with the front axle (4) through a front upper push rod (7) and a front lower push rod (8), the front upper push rod (7) is positioned above the front lower push rod (8), the two front upper push rods (7) are arranged in a regular splayed shape, the front end and the rear end of the front upper push rod (7) are respectively hinged with the front axle (4) and the front frame (1), the two front lower push rods (8) are arranged in parallel with the front frame (1), the left side and the right side outside the rear frame (9) are respectively connected with a rear suspension oil cylinder (11), the lower end of the rear suspension oil cylinder (11) is connected with a rear axle (10), rear frame (9) with connect through rear portion push up rod (12) and rear portion push down rod (13) between rear axle (10), rear portion push up rod (12) are located the top of rear portion push down rod (13), two rear portion push up rod (12) are the splayed and arrange, the front end and the rear end of rear portion push up rod (12) respectively with rear frame (9) and rear axle (10) are articulated to be connected, two rear portion push down rod (13) with rear frame (9) parallel arrangement, install preceding solenoid valve (2) and preceding energy storage ware (6) in preceding frame (1), install back solenoid valve (14) and back energy storage ware (15) in rear frame (9), be provided with respectively in preceding frame (1) and the rear frame (9) and be used for the restriction spacing support (3) of front axle (4) and rear axle (10).
2. The non-equidistant suspension device of the engineering vehicle as claimed in claim 1, wherein: the front upper push rod (7) and the front lower push rod (8) are arranged at equal intervals on the longitudinal projection and form an approximately equilateral quadrilateral structure with the front axle (4) and the front frame (1).
3. The non-equidistant suspension device of the engineering vehicle as claimed in claim 1, wherein: the rear upper push rod (12) and the rear lower push rod (13) are arranged at equal intervals on the longitudinal projection and form an approximately equilateral quadrilateral structure with the rear axle (10) and the rear frame (9).
4. The non-equidistant suspension device of the engineering vehicle as claimed in claim 1, wherein: the rear end of the front frame (1) is hinged with the front end of the rear frame (9).
5. The non-equidistant suspension device of the engineering vehicle as claimed in claim 1, wherein: the lower connecting point of the front suspension oil cylinder (5) is located at the lowest position of the rear side of the front axle (4), and the lower connecting point of the rear suspension oil cylinder (11) is located at the lowest position of the rear side of the rear axle (10).
6. The non-equidistant suspension device of the engineering vehicle as claimed in claim 1, wherein: the front suspension oil cylinder (5) and the rear suspension oil cylinder (11) on the same side are arranged in a splayed shape in a transverse projection manner, the front suspension oil cylinder (5) is positioned at the lower limit and rigidly locked under the working condition, and the rear suspension oil cylinder (11) is positioned at the middle position; and under the running working condition, the front suspension oil cylinder (5) is positioned at the middle position, and the rear suspension oil cylinder (11) is still positioned at the middle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617226.8A CN112606645B (en) | 2020-12-30 | 2020-12-30 | A non-equidistant suspension device for an engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617226.8A CN112606645B (en) | 2020-12-30 | 2020-12-30 | A non-equidistant suspension device for an engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112606645A true CN112606645A (en) | 2021-04-06 |
| CN112606645B CN112606645B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011617226.8A Active CN112606645B (en) | 2020-12-30 | 2020-12-30 | A non-equidistant suspension device for an engineering vehicle |
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| Country | Link |
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| CN (1) | CN112606645B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263868A (en) * | 2021-05-27 | 2021-08-17 | 徐工集团工程机械股份有限公司科技分公司 | Drive axle system for loader |
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| CN201309381Y (en) * | 2008-11-25 | 2009-09-16 | 上海三一科技有限公司 | Mining self-unloading vehicle chassis with novel suspending bracket |
| CN202011426U (en) * | 2011-04-04 | 2011-10-19 | 芦根成 | Two-bridge hinged dump truck |
| CN102910206A (en) * | 2012-11-12 | 2013-02-06 | 连云港天明装备有限公司 | Bracket carrier |
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| CN108528533A (en) * | 2018-06-11 | 2018-09-14 | 徐州徐工矿山机械有限公司 | Self-dumping undercarriage for automobile structure and articulated truck |
| CN208615670U (en) * | 2018-06-15 | 2019-03-19 | 深圳煜禾森科技有限公司 | A kind of suspension frame structure of vehicle chassis |
| CN210364058U (en) * | 2019-07-04 | 2020-04-21 | 福建龙马环卫装备股份有限公司 | Steering type segmented frame for electric road sweeper |
-
2020
- 2020-12-30 CN CN202011617226.8A patent/CN112606645B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990031634U (en) * | 1997-12-31 | 1999-07-26 | 정몽규 | Car rear suspension |
| CN2748311Y (en) * | 2003-04-28 | 2005-12-28 | 广西柳工机械股份有限公司 | Suspension damping device of high-speed loading machine |
| CN201309381Y (en) * | 2008-11-25 | 2009-09-16 | 上海三一科技有限公司 | Mining self-unloading vehicle chassis with novel suspending bracket |
| CN202011426U (en) * | 2011-04-04 | 2011-10-19 | 芦根成 | Two-bridge hinged dump truck |
| CN102910206A (en) * | 2012-11-12 | 2013-02-06 | 连云港天明装备有限公司 | Bracket carrier |
| CN202965872U (en) * | 2012-12-03 | 2013-06-05 | 中联重科股份有限公司 | engineering vehicle |
| CN206983662U (en) * | 2017-07-12 | 2018-02-09 | 徐州徐工矿山机械有限公司 | A kind of mine car rear suspension assembly |
| CN108528533A (en) * | 2018-06-11 | 2018-09-14 | 徐州徐工矿山机械有限公司 | Self-dumping undercarriage for automobile structure and articulated truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263868A (en) * | 2021-05-27 | 2021-08-17 | 徐工集团工程机械股份有限公司科技分公司 | Drive axle system for loader |
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| CN112606645B (en) | 2024-10-18 |
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