CN218839104U - Torsion bar single cross arm suspension - Google Patents
Torsion bar single cross arm suspension Download PDFInfo
- Publication number
- CN218839104U CN218839104U CN202223180722.9U CN202223180722U CN218839104U CN 218839104 U CN218839104 U CN 218839104U CN 202223180722 U CN202223180722 U CN 202223180722U CN 218839104 U CN218839104 U CN 218839104U
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- torsion bar
- fixed
- bearing seat
- shaft sleeve
- fixing
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- 239000000725 suspension Substances 0.000 title claims abstract description 19
- 230000036316 preload Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the chassis suspension of robot, concretely relates to torsion bar list xarm suspension, this suspension includes the automobile body main part, torsion bar subassembly, preload the regulation pole, four torsion bar subassemblies of automobile body main part inboard distribution, torsion bar subassembly is including the first fixed axle sleeve of installing in proper order, the torsion bar, the second fixing bearing frame, the suit is at the first fixing bearing frame and the third fixing bearing frame at first fixed axle sleeve both ends, the suit is at the second fixing bearing frame and the fourth fixing bearing frame at second fixing bearing frame both ends, install the first fixed plate on first fixed axle sleeve, install the second fixed plate on the second fixing axle sleeve. The utility model adopts the torsion bar as the damping component of the base, reduces the height of the chassis and improves the space utilization rate of the chassis; the height requirement of the chassis of the initial load is met by adjusting the preload adjusting rod, and the preload adjusting rod can be flexibly adjusted according to different requirements; by adjusting the working length of the torsion bar, the requirements of applicability to different loads and rigidity of a damping effect can be met.
Description
Technical Field
The utility model belongs to the technical field of the robot chassis suspension, concretely relates to torsion bar single xarm suspension.
Background
At present, most of robot suspensions adopt damping springs as main damping parts of a chassis, so that the height of the chassis of the robot in the vertical direction is higher, an underutilized space exists in the robot, and the structure is not compact enough.
SUMMERY OF THE UTILITY MODEL
The utility model provides a torsion bar single cross arm suspension, which adopts a torsion bar as a damping part of a chassis, greatly reduces the height of the chassis and improves the space utilization rate of the chassis through reasonable space distribution; the chassis height requirement of the initial load is realized through the adjustment of the preloading adjusting rod, and the chassis height can be flexibly adjusted according to different requirements; the torsion end of the torsion bar can be suitable for different loads and meet the requirements of rigidity of a damping effect through different mounting positions of the first fixing plate on the first fixing shaft sleeve.
The utility model provides a technical scheme that its technical problem adopted is: a torsion bar single cross arm suspension comprises a vehicle body, a torsion bar assembly and a preload adjusting rod for adjusting the initial height of a chassis before use, wherein:
the vehicle body main body is divided into a front half part and a rear half part through a connecting rod, the front half part and the rear half part are respectively provided with two cross arms which are arranged in a relatively staggered mode, and the front half part and the rear half part are respectively provided with two torsion bar assemblies;
the torsion bar assembly comprises a torsion bar, a first fixed shaft sleeve, a first fixed plate, a second fixed shaft sleeve, a second fixed plate, a first fixed bearing seat, a second fixed bearing seat, a third fixed bearing seat and a fourth fixed bearing seat;
the torsion bar is arranged on the inner side of the vehicle body along the length direction of the vehicle body, one end of the torsion bar close to the cross arm is a torsion end, and one end of the torsion bar far away from the cross arm is a fixed end;
the first fixed shaft sleeve is sleeved at the torsion end of the torsion bar, and the shaft body of the first fixed shaft sleeve is connected with a cross arm; a first plane is formed at the position, far away from the cross arm, of the shaft body of the first fixed shaft sleeve, and the torsion bar is exposed out of the first plane;
the first fixing plate is arranged on a first plane of the first fixing shaft sleeve and used for pressing the torsion end of the torsion rod;
the second fixed shaft sleeve is sleeved at the fixed end of the torsion bar, and the shaft body of the second fixed shaft sleeve is connected with the preloading adjusting rod; a second plane is formed at the position, far away from the preloading adjusting rod, of the shaft body of the second fixed shaft sleeve, and the torsion bar is exposed out of the second plane;
the second fixing plate is arranged on a second plane of the second fixing shaft sleeve and compresses the fixing end of the torsion bar;
the first fixed bearing seat is sleeved on the first fixed shaft sleeve, the second fixed bearing seat is sleeved on the second fixed shaft sleeve, the third fixed bearing seat is arranged close to the first fixed bearing seat, and the fourth fixed bearing seat is arranged close to the second fixed bearing seat; the first fixed bearing seat, the second fixed bearing seat, the third fixed bearing seat and the fourth fixed bearing seat are all connected with the vehicle body main body;
the one end that the second fixed axle sleeve was kept away from to the pole is connected with the connecting rod in preloading.
As the utility model discloses a further preferred, still include first mounting hole, second mounting hole, third mounting hole, fourth mounting hole, wherein:
a plurality of first mounting holes are formed in the first plane; a plurality of second mounting holes are formed in the first fixing plate, and each second mounting hole corresponds to one first mounting hole;
a plurality of third mounting holes are formed in the second plane; a plurality of fourth mounting holes are formed in the second fixing plate, and each fourth mounting hole corresponds to one third mounting hole.
As the utility model discloses a further preferred, preload the pole of adjusting including two torsion bar fixing bases, levogyration joint bearing, first stud, the dextrorotation joint bearing that sets gradually, wherein:
the two torsion bar fixing seats are oppositely fixed on the second fixing shaft sleeve; the left-handed knuckle bearing is bolted with the two torsion bar fixing seats; the right-handed oscillating bearing is connected with the connecting rod.
As a further preferred aspect of the present invention, the number of the first mounting holes is at least 2 more than the number of the second mounting holes.
As a further preference of the utility model, the number is seted up the third mounting hole and is seted up the number the same with the fourth mounting hole.
As a further preferred aspect of the present invention, the two torsion bar assemblies in the front half and the two torsion bar assemblies in the rear half are symmetrically disposed.
As the utility model discloses a further preferred, first fixed axle sleeve and xarm connection, the fixed axle sleeve of second and preload the regulation pole and be connected.
Through above technical scheme, for prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses take torsion bar subassembly to replace traditional damping spring as the shock attenuation part on chassis, greatly reduced chassis height, improved the space utilization on chassis.
2. The utility model discloses a reasonable space distribution to through adjusting the first stud in the preloading pole of adjusting, the torsion angle of torsion bar is adjusted with the first stud of screwing out to the screw in, thereby reaches the requirement to the initial torsion angle of torsion bar, realizes the regulation to chassis height, satisfies initial load's chassis height requirement, and can carry out nimble regulation according to the demand of difference.
3. The utility model discloses torsion end of torsion bar changes the working length of torsion bar through adjusting the mounted position of first fixed plate on first fixed axle sleeve to the realization is to the being suitable for of different loads, and the demand of shock attenuation effect rigidity.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic position diagram of the first fixing plate and the first fixing shaft sleeve of the present invention;
FIG. 3 is a schematic structural view A of the preload adjusting lever of the present invention;
FIG. 4 is a schematic structural view B of the preload adjusting lever of the present invention;
fig. 5 is a schematic view of the overall structure of the second fixing shaft sleeve of the present invention;
fig. 6 is a schematic view of the overall structure of the first fixed bearing seat of the present invention;
fig. 7 is a schematic view of the connection relationship between the first fixed sleeve and the cross arm according to the present invention;
fig. 8 is a schematic view of the overall structure of the torsion bar according to the present invention.
In the figure: 1. a vehicle body main body; 2. a connecting rod; 3. a cross arm; 4. a torsion bar; 5. a first fixed bearing seat; 6. a second fixed bearing seat; 7. a third fixed bearing seat; 8. a fourth fixed bearing seat; 9. a first fixed shaft sleeve; 10. a first fixing plate; 11. a second fixing plate; 12. a first mounting hole; 13. a second mounting hole; 14. a torsion bar fixing seat; 15. a left-handed knuckle bearing; 16. a right-handed oscillating bearing; 17. a first stud; 18. a fourth mounting hole; 19. a second fixed shaft sleeve; 20. preloading adjusting rods; 21. a first plane; 22. a second plane.
Detailed description of the preferred embodiments
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second", etc. do not represent the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present example are only for illustrating the technical solution and do not limit the scope of protection of the present invention.
Example 1
The present embodiment provides a preferred embodiment, a torsion bar single wishbone suspension, as shown in figures 1 to 8, comprising a body 1, a torsion bar assembly and a preload adjustment lever 20 for adjusting the initial height of the chassis before use, wherein:
the vehicle body 1 is divided into a front half part and a rear half part by a connecting rod 2; the front half part and the rear half part are respectively provided with two cross arms 3 which are arranged in a relative staggered mode.
The front half part and the rear half part are both provided with two torsion bar assemblies, and the two torsion bar assemblies in the front half part and the two torsion bar assemblies in the rear half part are symmetrically arranged. Specifically, the two torsion bar assemblies in the front half portion and the rear half portion are disposed oppositely inside the vehicle body 1 in the longitudinal direction of the vehicle body 1. The torsion bar assembly comprises a torsion bar 4, a first fixed shaft sleeve 9, a first fixed plate 10, a first fixed bearing seat 5, a third fixed bearing seat 7, a second fixed shaft sleeve 19, a second fixed plate 11, a second fixed bearing seat 6 and a fourth fixed bearing seat 8, wherein:
the torsion bar 4 is arranged inside the vehicle body 1 along the length direction of the vehicle body 1, one end of the torsion bar 4 close to the cross arm 3 is a torsion end, and one end of the torsion bar 4 far away from the cross arm 3 is a fixed end.
The first fixed shaft sleeve 9 is sleeved at the torsion end of the torsion bar 4, and the shaft body of the first fixed shaft sleeve 9 is connected with a cross arm 3; a first plane 21 is formed at a position where the shaft body of the first fixed bushing 9 is far away from the cross arm 3, and a part of the torsion bar 4 is exposed from the first plane 21. The first fixing plate 10 is installed at the first plane 21 of the first fixing boss 9 to press the torsion end of the torsion bar 4. The first fixed bearing seat 5 is sleeved on the first fixed shaft sleeve 9, and the third fixed bearing seat 7 is arranged close to the first fixed bearing seat 5; the first and third fixed bearing housings 5 and 7 are connected to the vehicle body 1. Preferably, two ends of the first fixed shaft sleeve 9 are in transition fit with the first fixed bearing seat 5 and the third fixed bearing seat 7; and the first fixed shaft sleeve 9 and the cross arm 3 are welded.
Specifically, a plurality of first mounting holes 12 are formed in the first plane 21 and are distributed equidistantly, and a plurality of second mounting holes 13 are formed in the first fixing plate 10 and are distributed equidistantly; and each second mounting hole 13 corresponds to one first mounting hole 12. The number of the first mounting holes 12 is at least 2 more than that of the second mounting holes 13. The first fixing plate 10 is bolted to the first fixing boss 9 through the first mounting hole 12 and the second mounting hole 13, thereby pressing the torsion end of the torsion bar 4.
Preferably, the first mounting holes 12 are 8 more than the second mounting holes 13, that is, the first stationary plate 10 has five different mounting positions on the first stationary bushing 9, so that the torsion bar 4 has five working lengths.
The second fixed shaft sleeve 19 is sleeved at the fixed end of the torsion bar 4, and the shaft body of the second fixed shaft sleeve 19 is connected with the preload adjusting rod 20; the second plane 22 is opened at the position where the shaft body of the second fixed bushing 19 is far away from the preload adjusting lever 29, and the torsion bar 4 is partially exposed from the second plane 22. The second fixing plate 11 is installed on the second plane 22 of the second fixing boss, and presses the fixing end of the torsion bar 4. The second fixed bearing seat 6 is sleeved on the second fixed shaft sleeve 19, and the fourth fixed bearing seat 8 is provided with the second fixed bearing seat 6 and the fourth fixed bearing seat 8 near the second fixed bearing seat 6 to be connected with the vehicle body 1. Preferably, the two ends of the second fixed shaft sleeve 19 are in transition fit with the second fixed bearing seat 6 and the fourth fixed bearing seat 8; and the second fixed collar 19 is bolted to the preload adjustment rod 20. The first fixed bearing seat 5, the third fixed bearing seat 7, the second fixed bearing seat 6 and the fourth fixed bearing seat 8 are consistent in structure.
Specifically, a plurality of third mounting holes are formed in the second plane 22 and equidistantly distributed, and a plurality of fourth mounting holes 18 are formed in the second fixing plate 11 and equidistantly distributed; and each fourth mounting hole 18 corresponds to one third mounting hole. The number of the third mounting holes is the same as that of the fourth mounting holes 18. The second fixing plate 11 is engaged with the fourth mounting hole 18 through the third mounting hole and the fourth mounting hole 18, and the second fixing plate 11 and the second fixing boss 19 are fixed by a bolt, so that the fixed end of the torsion bar 4 is pressed.
Preferably, the fixing between the first fixed bearing seat 5, the second fixed bearing seat 6, the third fixed bearing seat 7, the fourth fixed bearing seat 8 and the vehicle body 1 is achieved by bolts. This embodiment replaces traditional damping spring through the torsion bar subassembly, has practiced thrift the space of chassis.
In the embodiment, the working length of the torsion bar 4 is changed by adjusting the installation position of the first fixing plate 10 on the first fixing shaft sleeve 9, and then the second fixing plate 11 is combined to compress the fixed end of the torsion bar 4, so that the requirements of different loads are met, and the adaptability is high.
The preload adjusting rod 20 of the present embodiment includes two torsion bar fixing seats 14, a left-handed knuckle bearing 15, a first stud 17, and a right-handed knuckle bearing 16, which are sequentially arranged, and the two torsion bar fixing seats 14 are relatively fixed on a second fixing shaft sleeve 19; the left-handed oscillating bearing 15 is bolted with the two torsion bar fixing seats 14; the right-hand knuckle bearing 16 is connected with the connecting rod 2. The torsion angle of the torsion bar 4 is changed by adjusting the screwing-in and screwing-out of the first stud 17.
As shown in fig. 8, further, in order to better press the torsion end of the torsion bar 4 by the first fixing plate 10, a section matching with the first plane 21 is formed at the section of the torsion end of the torsion bar 4; in order to facilitate better compression of the fixed end of the torsion bar 4 by the second holding plate 11, a section matching the second plane 22 is formed at the cut-out portion of the fixed end of the torsion bar 4.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a torsion bar list xarm suspension, includes automobile body main part, its characterized in that: the suspension includes torsion bar assembly and the preload adjustment pole of adjusting chassis initial height before using, wherein:
the vehicle body is divided into a front half part and a rear half part by a connecting rod, the front half part and the rear half part are respectively provided with two cross arms which are arranged in a relative staggered manner, and the front half part and the rear half part are respectively provided with two torsion bar assemblies;
the torsion bar assembly comprises a torsion bar, a first fixed shaft sleeve, a first fixed plate, a second fixed shaft sleeve, a second fixed plate, a first fixed bearing seat, a second fixed bearing seat, a third fixed bearing seat and a fourth fixed bearing seat;
the torsion bar is arranged on the inner side of the vehicle body along the length direction of the vehicle body, one end of the torsion bar close to the cross arm is a torsion end, and one end of the torsion bar far away from the cross arm is a fixed end;
the first fixed shaft sleeve is sleeved at the torsion end of the torsion bar, and the shaft body of the first fixed shaft sleeve is connected with a cross arm; a first plane is formed at the position, far away from the cross arm, of the shaft body of the first fixed shaft sleeve, and a part of the torsion bar is exposed out of the first plane;
the first fixing plate is arranged on a first plane of the first fixing shaft sleeve and used for pressing the torsion end of the torsion rod;
the second fixed shaft sleeve is sleeved at the fixed end of the torsion bar, and the shaft body of the second fixed shaft sleeve is connected with the preloading adjusting rod; a second plane is formed at the position, far away from the preloading adjusting rod, of the shaft body of the second fixed shaft sleeve, and the torsion bar is exposed out of the second plane;
the second fixing plate is arranged on a second plane of the second fixing shaft sleeve and compresses the fixing end of the torsion bar;
the first fixed bearing seat is sleeved on the first fixed shaft sleeve, the second fixed bearing seat is sleeved on the second fixed shaft sleeve, the third fixed bearing seat is arranged close to the first fixed bearing seat, and the fourth fixed bearing seat is arranged close to the second fixed bearing seat; the first fixed bearing seat, the second fixed bearing seat, the third fixed bearing seat and the fourth fixed bearing seat are all connected with the vehicle body main body;
the one end that the second fixed axle sleeve was kept away from to the pole is connected with the connecting rod in preloading.
2. A torsion bar single wishbone suspension according to claim 1, wherein: still include first mounting hole, second mounting hole, third mounting hole, fourth mounting hole, wherein:
a plurality of first mounting holes are formed in the first plane; a plurality of second mounting holes are formed in the first fixing plate, and each second mounting hole corresponds to one first mounting hole;
a plurality of third mounting holes are formed in the second plane; a plurality of fourth mounting holes are formed in the second fixing plate, and each fourth mounting hole corresponds to one third mounting hole.
3. A torsion bar single wishbone suspension according to claim 2, wherein: the pre-load adjusting rod comprises two torsion bar fixing seats, a left-handed knuckle bearing, a first stud bolt and a right-handed knuckle bearing which are arranged in sequence, wherein:
the two torsion bar fixing seats are oppositely fixed on the second fixing shaft sleeve; the left-handed knuckle bearing is bolted with the two torsion bar fixing seats; the right-handed oscillating bearing is connected with the connecting rod.
4. A torsion bar single wishbone suspension according to claim 3 wherein: the number of the first mounting holes is at least 2 more than that of the second mounting holes.
5. A torsion bar single wishbone suspension according to claim 4 wherein: the number of the third mounting holes is the same as that of the fourth mounting holes.
6. A torsion bar single wishbone suspension according to claim 5 wherein: the two torsion bar assemblies in the front half part and the two torsion bar assemblies in the rear half part are symmetrically arranged.
7. A torsion bar single wishbone suspension according to claim 6, wherein: the first fixed shaft sleeve is connected with the cross arm, and the second fixed shaft sleeve is connected with the preloading adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223180722.9U CN218839104U (en) | 2022-11-29 | 2022-11-29 | Torsion bar single cross arm suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223180722.9U CN218839104U (en) | 2022-11-29 | 2022-11-29 | Torsion bar single cross arm suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218839104U true CN218839104U (en) | 2023-04-11 |
Family
ID=87302070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223180722.9U Active CN218839104U (en) | 2022-11-29 | 2022-11-29 | Torsion bar single cross arm suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218839104U (en) |
-
2022
- 2022-11-29 CN CN202223180722.9U patent/CN218839104U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240412 Address after: Room 207, Building 4, Jiangning Innovation and Entrepreneurship Base, Southeast University National Science and Technology Park, No. 33 Southeast University Road, Jiangning District, Nanjing City, Jiangsu Province, 211100 (Jiangning Development Zone) Patentee after: Nanjing Ruixing Smart Car Technology Co.,Ltd. Country or region after: China Address before: Room 3322, 3rd Floor, Cuiping Science and Technology Innovation Park, No. 37 Jiangjun Avenue, Jiangning District, Nanjing City, Jiangsu Province, 211100 (Jiangning Development Zone) Patentee before: NANJING SUYU POWER TECHNOLOGY CO.,LTD. Country or region before: China |