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CN110920758B - Double torsion bar overturning system for cab - Google Patents

Double torsion bar overturning system for cab Download PDF

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Publication number
CN110920758B
CN110920758B CN201911404377.2A CN201911404377A CN110920758B CN 110920758 B CN110920758 B CN 110920758B CN 201911404377 A CN201911404377 A CN 201911404377A CN 110920758 B CN110920758 B CN 110920758B
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CN
China
Prior art keywords
torsion bar
cab
bracket
suspension bracket
overturning
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.)
Active
Application number
CN201911404377.2A
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Chinese (zh)
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CN110920758A (en
Inventor
雷明星
张正祺
杨喜红
朱汉波
姜轶帆
陈竹君
赵雅情
黄霞
张健慧
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Dongfeng Automobile Co Ltd
Original Assignee
Dongfeng Automobile Co Ltd
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Publication date
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Priority to CN201911404377.2A priority Critical patent/CN110920758B/en
Publication of CN110920758A publication Critical patent/CN110920758A/en
Application granted granted Critical
Publication of CN110920758B publication Critical patent/CN110920758B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D33/00Superstructures for load-carrying vehicles
    • B62D33/06Drivers' cabs
    • B62D33/063Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B62D33/067Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D33/00Superstructures for load-carrying vehicles
    • B62D33/077Superstructures for load-carrying vehicles characterised by the connection of the superstructure to the vehicle frame

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a double torsion bar overturning system for a cab. The system comprises a left suspension bracket, a right suspension bracket, a left overturning bracket, a right overturning bracket, a left torsion bar, a right torsion bar, a left torsion bar force arm, a right torsion bar force arm, a left roller assembly and a right roller assembly, wherein the suspension bracket is connected with a cab through the overturning bracket, and the cab can overturn around a cushion pin shaft of the overturning bracket; the torsion bar drives the torsion bar force arm to twist, and the roller assembly is fixed with the cab and can roll on the guide rail section of the torsion bar force arm. According to the invention, the connection between the frame and the cab is completed through the suspension bracket, the overturning bracket, the torsion bar force arm and the roller assembly, so that the overturning operation force of the cab is small, and the left and right stress of the cab is uniform; the left overturning bracket is concentrically connected with the pin shaft through the soft cushion and is provided with the bushing, the contact area of the pin shaft and the bushing is large, and the overturning resistance of the cab is small. The invention has the advantages of abundant operation space, good operation visual field, sufficient positioning and convenient installation, and effectively improves the assembly efficiency of the cab.

Description

Double torsion bar overturning system for cab
Technical Field
The invention relates to a commercial vehicle, in particular to a double torsion bar overturning system for a cab.
Background
In the existing double torsion bar overturning system of the cab, the contact part of the torsion bar moment arm and the roller or the sliding block arranged on the cab is generally a plane, the direction of the supporting force of the torsion bar moment arm to the cab is always changed in the overturning process of the cab, so that a changed proportional relation exists between the torsion bar torque and the equivalent moment of the torsion bar moment arm relative to the overturning shaft of the cab, the overturning angle of the cab is unequal to the torsion bar torsion angle, and when the mass of the cab is large, the overturning system with small overturning operation force cannot be designed.
In addition, when the existing double torsion bar overturning system of the cab is observed from side, the connecting line of the centers of the left torsion bar and the right torsion bar is not parallel to the direction of the force of the torsion bar arm to the cab, so that the situation that the left stress and the right stress are consistent all the time in the overturning process of the cab can not be ensured, and left and right deflection can be generated.
Disclosure of Invention
In order to solve the problems, the invention provides a double torsion bar overturning system for a cab, which can enable the overturning operation force of the cab to be small and the left and right stress of the cab to be uniform.
The technical scheme adopted by the invention is as follows: a cab double torsion bar flipping system, characterized in that: comprises a left suspension bracket, a right suspension bracket, a left turning bracket, a right turning bracket, a left torsion bar, a right torsion bar, a left torsion bar force arm, a right torsion bar force arm, a left roller assembly and a right roller assembly, the bottom of the left suspension bracket is fixed on the frame, and the top of the left suspension bracket is connected with the cab through the left overturning bracket; the bottom of the right suspension bracket is fixed on the frame, the top of the right suspension bracket is connected with the cab through the right overturning bracket, and the cab can overturn around cushion pin shafts of the left overturning bracket and the right overturning bracket;
One end of the left torsion bar is fixedly connected with the right suspension bracket through spline teeth, the other end of the left torsion bar penetrates through the left suspension bracket and is connected with one end of a left torsion bar force arm through spline teeth to drive the left torsion bar force arm to twist, the other end of the left torsion bar force arm is provided with a left guide rail section, and the left roller assembly is fixed with the cab and can roll on the left guide rail section of the left torsion bar force arm; the right torsion bar is characterized in that one end of the right torsion bar is fixed on the left suspension bracket through spline teeth, the other end of the right torsion bar passes through the right suspension bracket and is connected with one end of a right torsion bar force arm through spline teeth to drive the right torsion bar force arm to twist, the other end of the right torsion bar force arm is provided with a right guide rail section, and the right roller assembly is fixed with the cab and can roll on the right guide rail section of the right torsion bar force arm.
Preferably, the left guide rail section and the right guide rail section are cylindrical surfaces protruding upwards.
Preferably, the left guide rail section axle center of the left guide rail section, the left roller axle center of the left roller assembly, the cushion pin axle center of the left overturning bracket and the left torsion bar axle center of the left torsion bar form a parallelogram when projected to the same side; the axle center of the right guide rail section, the axle center of the right roller assembly, the axle center of the cushion pin shaft of the right overturning bracket and the axle center of the right torsion bar form a parallelogram when projected to the same side.
Further, the left turning support axis, the left torsion bar axis and the right torsion bar axis are arranged on the same straight line.
Preferably, the left front suspension bracket and the right front suspension bracket are symmetrically arranged and have the same structure, and the left overturning bracket and the right overturning bracket have the same structure.
Further, a mounting hole and a mounting frame are formed in the left overturning bracket, a soft cushion pin shaft and a bushing are arranged in the mounting hole, the soft cushion pin shaft penetrates through the soft cushion and the bushing to be mounted in the mounting hole, two ends of the soft cushion pin shaft penetrate out of the mounting hole, one end of the soft cushion pin shaft is limited through a Y-direction limiting structure on the soft cushion pin shaft, and the other end of the soft cushion pin shaft is limited through an elastic retainer ring for a shaft; the mounting frame is fixedly connected with the vehicle body through bolts.
Further, through holes connected with the left suspension support or the right suspension support are formed in the two ends of the cushion pin shaft, a threaded hole is formed in one end of the cushion pin shaft, and the surface where the threaded hole is located is perpendicular to the surface where the through hole is located; the cushion pin shaft middle part is equipped with the face of cylinder of installation bush, the one end of face of cylinder is opened has the draw-in groove with axle circlip complex, and the other end is equipped with Y to limit structure.
Furthermore, one end of the cushion pin shaft is provided with a positioning pin, one end of the positioning pin is connected with the threaded hole, and the other end of the positioning pin is inserted into a Y-direction positioning hole on the left suspension bracket or the right suspension bracket.
Further, the left front suspension bracket and the right front suspension bracket are respectively provided with an X positioning surface, a Z positioning surface, a threaded through hole and a Y positioning hole.
The beneficial effects obtained by the invention are as follows: the invention has simple structure and convenient operation, and the connection of the frame and the cab is completed through the suspension bracket, the overturning bracket, the torsion bar arm of force and the roller assembly, so that the overturning operation force of the cab is small, and the left and right stress of the cab is uniform; the left overturning bracket is concentrically connected with the pin shaft through the soft cushion and is provided with the bushing, the contact area of the pin shaft and the bushing is large, and the overturning resistance of the cab is small. The invention has the advantages of abundant operation space, good operation visual field, sufficient positioning and convenient installation, and effectively improves the assembly efficiency of the cab.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a partial exploded view of a front support and a flip support;
FIG. 5 is a partial exploded view of the flip bracket;
FIG. 6 is a schematic view of the structure of the cushion pin;
In the figure: 1. a left front support; 11. a left X positioning surface; 12. a left Z positioning surface; 13. a left Y-direction positioning hole; 14. a left threaded through hole; 15. a left threaded through hole; 2. a right suspension bracket; 21. a right X positioning surface; 22. a right Z positioning surface; 23. right Y-direction positioning holes; 24. a right threaded through hole; 25. a right threaded through hole; 3. a left overturning bracket; 30. the left overturning bracket axle center; 31. cushion pin shaft; 311. a through hole; 312. a threaded hole; 313. a through hole surface; 314. a through hole vertical plane; 315. a clamping groove; 316. y-direction limiting structure; 32. a soft cushion; 33. a bushing; 34. circlips for shafts; 35. a positioning pin; 4. a right overturning bracket; 5. a left torsion bar; 51. a left torsion bar axle center; 6. a right torsion bar; 61. a right torsion bar axle center; 7. a left torsion bar arm; 71. a left guide rail section; 72. the axle center of the left guide rail section; 8. a right torsion bar arm; 81. a right guide rail section; 82. the axle center of the right guide rail section; 9. a left roller assembly; 91. a left roller axle center; 10. a right roller assembly; .
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1-3, the double torsion bar overturning system for the cab of the invention comprises a left suspension bracket 1, a right suspension bracket 2, a left overturning bracket 3, a right overturning bracket 4, a left torsion bar 5, a right torsion bar 6, a left torsion bar force arm 7, a right torsion bar force arm 8, a left roller assembly 9 and a right roller assembly 10, wherein the bottom of the left suspension bracket 1 is fixed on a frame, and the top of the left suspension bracket is connected with the cab through the left overturning bracket 3; the bottom of the right suspension bracket 2 is fixed on the frame, the top of the right suspension bracket is connected with a cab through a right overturning bracket 4, and the cab can overturn around the axes (the left overturning bracket axis 30 in fig. 3) of cushion pin shafts 31 of the left overturning bracket 3 and the right overturning bracket 4;
one end of the left torsion bar 5 is fixedly connected with the right suspension bracket 2 through spline teeth, the other end of the left torsion bar 5 passes through the left suspension bracket 1 and is connected with one end of the left torsion bar force arm 7 through spline teeth to drive the left torsion bar force arm 7 to twist, the other end of the left torsion bar force arm 7 is provided with a left guide rail section 71, and the left roller assembly 9 is fixed with the cab and can roll on the left guide rail section 71 of the left torsion bar force arm 7; the spline teeth at one end of the right torsion bar 6 are fixed on the left suspension bracket 1, the other end of the right torsion bar is connected with one end of the right torsion bar force arm 8 through the spline teeth after passing through the right suspension bracket 2, the right torsion bar force arm 8 is driven to twist, the right guide rail section 81 is arranged at the other end of the right torsion bar force arm 8, and the right roller assembly 10 is fixed with the cab and can roll on the right guide rail section 81 of the right torsion bar force arm 8.
In this embodiment, the left rail section 71 and the right rail section 81 are each cylindrical surfaces protruding upward. The left rail section axle center 72 of the left rail section 71, the left roller axle center 91 of the left roller assembly 9, the cushion pin axle center of the left flip bracket 3 (i.e., the left flip bracket axle center 30 shown in fig. 3) and the left torsion bar axle center 51 of the left torsion bar 5 form a parallelogram when projected to the same side; the right rail section axle center 82 of the right rail section 81, the right roller axle center of the right roller assembly 10, the cushion pin axle center of the right flip bracket 4, and the right torsion bar axle center 61 of the right torsion bar 6 form a parallelogram when projected to the same side. The left structure and the right structure are symmetrically arranged, the overturning angle of the cab can be ensured to be always equal to the torsion bar rotating angle in the overturning process, the torsion bar torque is always equal to the equivalent moment of the torsion bar relative to the overturning center, and under the structure, an ideal torque-overturning angle curve can be obtained, so that a proper operating moment is obtained.
In this embodiment, the left turning bracket axle center 31, the left torsion bar axle center 51 and the right torsion bar axle center 61 are arranged on a straight line, and under the condition that the left torsion bar 5 and the right torsion bar 6 are the same in size, the forces of the left torsion bar force arm 7 and the right torsion bar force arm 8 on the left roller assembly 9 and the right roller assembly 10 are the same in size and the direction, so that the left and right balance in the turning process of the cab can be maintained.
As shown in fig. 4 to 6, the left suspension bracket 1 and the right suspension bracket 2 are symmetrically arranged and have the same structure, and the left turning bracket 3 and the right turning bracket 4 are symmetrically arranged and have the same structure.
The left overturning bracket 3 is provided with a mounting hole and a mounting frame, a soft cushion 32, a soft cushion pin shaft 31 and a bushing 33 are arranged in the mounting hole, the soft cushion pin shaft 31 passes through the soft cushion 32 and the bushing 33 to be mounted in the mounting hole, two ends of the soft cushion pin shaft 31 pass through the outside of the mounting hole, one end of the soft cushion pin shaft is limited by a Y-direction limiting structure 316 on the soft cushion pin shaft 31, and the other end of the soft cushion pin shaft is limited by a circlip 34 for a shaft; the mounting frame is fixedly connected with the vehicle body through bolts.
The two ends of the cushion pin shaft 31 are provided with through holes 311 connected with the left suspension bracket 1 or the right suspension bracket 2, one end of the cushion pin shaft is provided with a threaded hole 312, and the surface (a through hole vertical surface 314) of the threaded hole 312 is vertical to the surface (a through hole surface 313) of the through hole 311; the cushion pin shaft 31 is provided with a cylindrical surface for installing the bushing 33 in the middle, one end of the cylindrical surface is provided with a clamping groove 315 matched with the elastic retainer ring 34 for the shaft, and the other end is provided with a Y-direction limiting structure 316. One end of the cushion pin shaft 31 is provided with a positioning pin 35, one end of the positioning pin 35 is connected with a threaded hole 312, and the other end of the positioning pin 35 is inserted into Y-direction positioning holes (a left Y-direction positioning hole 13 and a right Y-direction positioning hole 23) on the left suspension bracket 1 or the right suspension bracket 2.
In this embodiment, the left turning support 3 is mounted on the cushion 32, the bushing 33 is coaxially mounted on the cushion 32, the cushion pin shaft 31 is coaxially mounted on the bushing 33, the cushion pin shaft 31 is mounted on the shaft by means of a circlip 34 in a clamped manner, the positioning pin 35 is in threaded connection with the cushion pin shaft 31, the left turning support 3 is connected with the vehicle body through bolts, and the cushion pin shaft 31 is connected with the left suspension support 1 and the right suspension support 2 through bolts. The left suspension bracket 1 is provided with a left X positioning surface 11, a left Z positioning surface 12, left threaded through holes (14 and 15) and a left Y positioning hole 13, and the right suspension bracket 2 is provided with a right X positioning surface 21, a right Z positioning surface 22, right threaded through holes (24 and 25) and a right Y positioning hole 23. The cushion pin shaft 31 is provided with through holes 311 at both ends, a threaded hole 312 is provided on a vertical surface (a through hole vertical surface 314) of the through hole surface 313, a clamping groove 315 is provided at one end of the cushion pin shaft 31, and a Y-direction limiting structure 316 is provided at the other end.
Before the cab is hung, the soft cushion 32 is firstly arranged in the left overturning bracket 3, and forms a small split charging assembly together with the soft cushion pin shaft 31, the bushing 33, the elastic check ring 34 for the shaft and the positioning pin 35, before the cab is hung, the soft cushion pin shaft 31 is fixed at the bottom of the cab, and the soft cushion pin shaft 31 is clamped with the elastic check ring 34 for the shaft through the Y-direction limiting structure 316 on one side and the clamping groove 315 on the other side to complete Y-direction positioning, so that the soft cushion pin shaft can only rotate around the shaft and cannot move in the Y direction.
In the process of falling the cab, left and right cushion pin shaft surfaces (313, 314) are fallen on left and right front suspension bracket positioning surfaces (11, 12) and (21, 22) to finish X and Z-direction positioning, and in the process of falling the cab, left and right positioning pins 35 are respectively inserted into corresponding Y-direction positioning holes (13, 23) of the left and right front suspension brackets to finish Y-direction positioning and fixing. And then the left overturning bracket 3 is fixedly connected with the left front suspension bracket and the right front suspension bracket (1 and 2) through bolts, and the installation direction of the bolts is the X direction of the cab.
The foregoing has shown and described the basic principles and main structural features of the present invention. The present invention is not limited to the above examples, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A cab double torsion bar flipping system, characterized in that: comprises a left suspension bracket, a right suspension bracket, a left turning bracket, a right turning bracket, a left torsion bar, a right torsion bar, a left torsion bar force arm, a right torsion bar force arm, a left roller assembly and a right roller assembly, the bottom of the left suspension bracket is fixed on the frame, and the top of the left suspension bracket is connected with the cab through the left overturning bracket; the bottom of the right suspension bracket is fixed on the frame, the top of the right suspension bracket is connected with the cab through the right overturning bracket, and the cab can overturn around cushion pin shafts of the left overturning bracket and the right overturning bracket;
One end of the left torsion bar is fixedly connected with the right suspension bracket through spline teeth, the other end of the left torsion bar penetrates through the left suspension bracket and is connected with one end of a left torsion bar force arm through spline teeth to drive the left torsion bar force arm to twist, the other end of the left torsion bar force arm is provided with a left guide rail section, and the left roller assembly is fixed with the cab and can roll on the left guide rail section of the left torsion bar force arm; one end of the right torsion bar is fixed on the left suspension bracket through spline teeth, the other end of the right torsion bar passes through the right suspension bracket and is connected with one end of a right torsion bar force arm through spline teeth to drive the right torsion bar force arm to twist, the other end of the right torsion bar force arm is provided with a right guide rail section, and the right roller assembly is fixed with the cab and can roll on the right guide rail section of the right torsion bar force arm;
the left guide rail section and the right guide rail section are cylindrical surfaces protruding upwards; the left guide rail section axle center of the left guide rail section, the left roller axle center of the left roller assembly, the cushion pin axle center of the left overturning bracket and the left torsion bar axle center of the left torsion bar form a parallelogram when projected to the same side; the axle center of the right guide rail section, the axle center of the right roller assembly, the axle center of the cushion pin shaft of the right overturning bracket and the axle center of the right torsion bar form a parallelogram when projected to the same side; the left overturning bracket axle center, the left torsion bar axle center and the right torsion bar axle center are arranged on a straight line.
2. The cab dual torsion bar flipping system according to claim 1, wherein: the left suspension bracket and the right suspension bracket are symmetrically arranged and have the same structure, and the left overturning bracket and the right overturning bracket have the same structure.
3. The cab dual torsion bar flipping system according to claim 2, wherein: the left overturning bracket is provided with a mounting hole and a mounting frame, a soft cushion pin shaft and a bushing are arranged in the mounting hole, the soft cushion pin shaft penetrates through the soft cushion and the bushing to be mounted in the mounting hole, two ends of the soft cushion pin shaft penetrate out of the mounting hole, one end of the soft cushion pin shaft is limited by a Y-direction limiting structure on the soft cushion pin shaft, and the other end of the soft cushion pin shaft is limited by an elastic retainer ring for a shaft; the mounting frame is fixedly connected with the vehicle body through bolts.
4. The cab dual torsion bar flipping system according to claim 2, wherein: the two ends of the cushion pin shaft are provided with through holes connected with the left suspension bracket or the right suspension bracket, one end of the cushion pin shaft is provided with a threaded hole, and the surface where the threaded hole is located is perpendicular to the surface where the through hole is located; the cushion pin shaft middle part is equipped with the face of cylinder of installation bush, the one end of face of cylinder is opened has the draw-in groove with axle circlip complex, and the other end is equipped with Y to limit structure.
5. The cab dual torsion bar flipping system according to claim 2, wherein: one end of the cushion pin shaft is provided with a positioning pin, one end of the positioning pin is connected with the threaded hole, and the other end of the positioning pin is inserted into a Y-direction positioning hole on the left suspension bracket or the right suspension bracket.
6. The cab dual torsion bar flipping system according to claim 2, wherein: the left suspension bracket and the right suspension bracket are respectively provided with an X positioning surface, a Z positioning surface, a threaded through hole and a Y positioning hole.
CN201911404377.2A 2019-12-30 2019-12-30 Double torsion bar overturning system for cab Active CN110920758B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911404377.2A CN110920758B (en) 2019-12-30 2019-12-30 Double torsion bar overturning system for cab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911404377.2A CN110920758B (en) 2019-12-30 2019-12-30 Double torsion bar overturning system for cab

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CN110920758A CN110920758A (en) 2020-03-27
CN110920758B true CN110920758B (en) 2024-08-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110316262B (en) * 2019-07-26 2024-08-23 安徽安凯华夏汽车配件制造有限公司 Multi-torsion bar linkage automobile cab overturning device
CN114475819A (en) * 2022-02-14 2022-05-13 东风柳州汽车有限公司 Car and suspension structure thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211617899U (en) * 2019-12-30 2020-10-02 东风汽车股份有限公司 Double-torsion-bar overturning system for cab

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3911989B2 (en) * 2000-09-25 2007-05-09 三菱ふそうトラック・バス株式会社 Cabylt equipment
CN102267498B (en) * 2011-06-17 2013-01-02 东风汽车股份有限公司 Angle-adjustable cab double-torsion-bar overturning system assembly
CN102530105A (en) * 2011-12-28 2012-07-04 刘彩云 Fine adjusting device of double-torsion bar turnover mechanism of motor vehicle cab
KR101459467B1 (en) * 2013-06-12 2014-11-07 현대자동차 주식회사 Cab tilting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211617899U (en) * 2019-12-30 2020-10-02 东风汽车股份有限公司 Double-torsion-bar overturning system for cab

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