CN110094454B - Multi-stage buffering vibration reduction mechanism for rotating shaft of vehicle - Google Patents
Multi-stage buffering vibration reduction mechanism for rotating shaft of vehicle Download PDFInfo
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- CN110094454B CN110094454B CN201910431674.XA CN201910431674A CN110094454B CN 110094454 B CN110094454 B CN 110094454B CN 201910431674 A CN201910431674 A CN 201910431674A CN 110094454 B CN110094454 B CN 110094454B
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- rotating shaft
- damping mechanism
- spring
- vibration damping
- damping
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- 230000007246 mechanism Effects 0.000 title claims abstract description 69
- 230000003139 buffering effect Effects 0.000 title claims abstract description 30
- 230000009467 reduction Effects 0.000 title description 6
- 238000013016 damping Methods 0.000 claims abstract description 110
- 239000000725 suspension Substances 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a multi-stage buffering vibration damping mechanism of a rotating shaft for a vehicle, which comprises the rotating shaft connected with a wheel, a first-stage vibration damping mechanism, a second-stage vibration damping mechanism and a third-stage vibration damping mechanism, wherein the first-stage vibration damping mechanism is coaxially sleeved outside the rotating shaft, the first-stage vibration damping mechanism is connected with an engine and transmits the power of the engine to the rotating shaft to drive the rotating shaft to rotate around the axis of the first-stage vibration damping mechanism, the second-stage vibration damping mechanism is movably connected with the rotating shaft, the second-stage vibration damping mechanism is in sliding guide fit with a vehicle frame, and the third-stage vibration damping mechanism is arranged between the first-stage vibration damping mechanism and the second-stage vibration damping mechanism.
Description
Technical Field
The invention belongs to the technical field of vehicle vibration reduction, and particularly relates to a rotating shaft multi-stage buffering vibration reduction mechanism for a vehicle.
Background
With the rapid development of social economy and industry, vehicles are increasingly popularized, when the vehicles are used, people do not simply pursue speed or load capacity any more, the demand is more developed towards safety and comfort, in the driving process of the vehicles, vibration is generated due to the fact that elastic elements are impacted by a suspension system, the vibration directly influences the smoothness and safety of the vehicles, and a driver is in a vibration state for a long time and can directly damage the physical health of the driver.
The existing vibration damper for the vehicle has a part of complex structure and high cost, and is mainly applied to large-scale engineering machinery or special vehicles with high price; and a part of the structure is simple, and the vibration reduction effect is poor. Because the existing vehicle is applied to various scenes in life, a vibration damping mechanism with wide applicability, good vibration damping effect and low cost is lacked.
Disclosure of Invention
The invention provides a multi-stage buffering vibration damping mechanism of a rotating shaft for a vehicle, which has the advantages of small volume, good vibration damping effect, low production cost and simple maintenance.
In order to realize the purpose, the technical scheme of the invention is as follows: a multi-stage buffering vibration-damping mechanism for the rotary axle of vehicle is composed of rotary axle connected to wheel, the first, the second and the third vibration-damping mechanisms,
the rotating shaft can rotate around the axis of the rotating shaft,
the primary vibration damping mechanism is coaxially sleeved outside the rotating shaft, is connected with the engine and transmits the power of the engine to the rotating shaft to drive the rotating shaft to rotate around the axis of the rotating shaft,
the secondary vibration damping mechanism is movably connected with the rotating shaft and forms sliding guide fit with the frame,
the three-stage damping mechanism is arranged between the first-stage damping mechanism and the second-stage damping mechanism.
Furthermore, the rotating shaft comprises a rotating shaft body, a plurality of insertion holes are formed in the outer portion of the rotating shaft body, and the insertion holes are evenly arranged at intervals along the circumferential direction of the rotating shaft body.
Furthermore, the one-level vibration damping mechanism comprises a transmission ring coaxially sleeved outside the rotating shaft body, the transmission ring is connected with the engine, the transmission ring can rotate around the axis of the transmission ring under the driving of the engine, buffering members with the number equal to that of the through holes are arranged between the inner circular surface of the transmission ring and the rotating shaft body, the buffering members are evenly arranged at intervals along the circumferential direction of the rotating shaft body, a fixing groove matched with the buffering members is formed in the inner circular surface of the transmission ring, one end of each buffering member is arranged in the fixing groove, the other end of each buffering member is arranged in the through holes, and the transmission ring and the buffering members transmit the power of the engine to the rotating shaft body and drive the rotating shaft body to rotate around the axis.
Further, buffering component is including setting up in the downthehole guide arm of interlude, and the one end that the guide arm deviates from the interlude hole bottom of the hole stretches out the interlude hole, buffering component still includes that the sleeve outside guide arm suspension end is located to the coaxial sleeve, and telescopic suspension end matches and sets up in the fixed slot, is provided with damping spring between guide arm suspension end and the fixed slot tank bottom, and damping spring's one end conflicts the fixed slot tank bottom, damping spring's the other end conflict guide arm, and damping spring's elasticity promotes the guide arm and moves towards the direction that deviates from the fixed slot tank bottom along the sleeve axial, and the one end that the guide arm closes on the interl.
Further, the buffer member further comprises a spiral spring arranged inside the damping spring, the diameter of the spiral spring is smaller than that of the damping spring, one end of the spiral spring is connected with the guide rod, the other end of the spiral spring is provided with a fixing rod coaxial with the sleeve, the suspension end of the fixing rod abuts against the bottom of the fixing groove, and the fixing rod is located inside the damping spring.
Furthermore, the damping layer is uniformly paved on the inner wall of the sleeve.
Furthermore, a connecting groove for inserting the fixing rod is formed in the bottom of the fixing groove.
Further, the outside bearing of pivot body is located including the cover to second grade damping mechanism, and bearing inner race top is provided with the vertical guide bar that upwards extends, and the suspension end of guide bar constitutes the perpendicular bottom surface of sliding guide cooperation and direction with the frame, and the outside cover of guide bar is equipped with the fixed plate that the level was arranged, fixed plate and frame threaded connection, and the outside cover of guide bar is equipped with compression spring, and compression spring is between fixed plate and bearing.
Furthermore, the three-stage vibration damping mechanism comprises a fixed shaft fixedly connected with the frame, the fixed shaft is parallel to the ground and is axially perpendicular to the axial direction of the rotating shaft, a vibration damping sheet is sleeved outside the fixed shaft, and the suspension end of the vibration damping sheet is connected with the top end of the guide rod.
Furthermore, the damping sheet is a clockwork spring, the clockwork spring is coaxially wound outside the fixed shaft, one end of the clockwork spring is connected with the fixed shaft, the other end of the clockwork spring is connected with the top end of the guide rod, and when the guide rod moves upwards, the clockwork spring is tightened.
Compared with the prior art, the invention has the following beneficial effects: the invention has reasonable design, can greatly reduce vibration through triple buffering, has small volume, saves space, is easy to produce, is convenient to install and maintain, has ingenious structure and simple principle, and is easy to produce and manufacture in large scale.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the rotating shaft of the present invention;
FIG. 4 is a cross-sectional view of the spindle and primary damping mechanism of the present invention;
FIG. 5 is a cross-sectional view of an inventive cushioning member;
FIG. 6 is a partial cross-sectional view of an inventive cushioning member;
FIG. 7 is a partial cross-sectional view of an inventive cushioning member.
In the figure: 10. a rotating shaft; 110. a rotating shaft body; 120. inserting holes; 20. a primary vibration damping mechanism; 210. a conductive ring; 220. a cushioning member; 221. a guide bar; 222. damping rubber; 223. a sleeve; 224. a damping layer; 225. a damping spring; 226. fixing the rod; 227. a coil spring; 230. fixing grooves; 30. a secondary vibration reduction mechanism; 310. a bearing; 320. a compression spring; 330. a fixing plate; 340. a guide bar; 40. a third-stage vibration damping mechanism; 410. a fixed shaft; 420. a vibration damping sheet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
Example 1
As shown in fig. 1, a multi-stage buffering vibration damping mechanism for a rotating shaft of a vehicle comprises a rotating shaft 10, a primary vibration damping mechanism 20, a secondary vibration damping mechanism 30 and a tertiary vibration damping mechanism 40, wherein the rotating shaft 10 can rotate around the axis thereof and is connected with wheels; the primary vibration damping mechanism 20 is coaxially sleeved outside the rotating shaft 10, and the primary vibration damping mechanism 20 is connected with the engine and transmits the power of the engine to the rotating shaft 10 to drive the rotating shaft 10 to rotate around the axis of the rotating shaft; the secondary damping mechanism 30 is movably connected with the rotating shaft 10, and the secondary damping mechanism 30 is in sliding guide fit with the frame; the tertiary damping mechanism 40 is interposed between the primary damping mechanism 20 and the secondary damping mechanism 30.
Therefore, the vibration damper with the compact and simple structure can realize efficient vibration damping through the structure.
Example 2
Specifically, as shown in fig. 1-5, a multi-stage buffer vibration damping mechanism for a rotating shaft of a vehicle comprises a rotating shaft 10, a first-stage vibration damping mechanism 20, a second-stage vibration damping mechanism 30 and a third-stage vibration damping mechanism 40,
the rotating shaft 10 includes a rotating shaft body 110, a plurality of insertion holes 120 are formed in the outer portion of the rotating shaft body 110, and the insertion holes 120 are uniformly arranged at intervals along the circumferential direction of the rotating shaft body 110;
the primary vibration damping mechanism 20 comprises a conducting ring 210 coaxially sleeved outside the rotating shaft body 110, the conducting ring 210 is connected with an engine, the conducting ring 210 can rotate around the axis of the conducting ring 210 under the driving of the engine, buffering members 220 equal to the number of the through holes 120 are arranged between the inner circular surface of the conducting ring 210 and the rotating shaft body 110, the buffering members 220 are uniformly arranged at intervals along the circumferential direction of the rotating shaft body 110, a fixing groove 230 matched with the buffering members 220 is formed in the inner circular surface of the conducting ring 210, one end of each buffering member 220 is arranged in the corresponding fixing groove 230, the other end of each buffering member 220 is arranged in the corresponding through hole 120, and the power of the engine is transmitted to the rotating shaft body 110 through the conducting ring 210 and the buffering members 220 and drives the rotating shaft body 110 to rotate around the;
the buffer member 220 comprises a guide rod 221 arranged in the through hole 120, one end of the guide rod 221, which deviates from the bottom of the through hole 120, extends out of the through hole 120, the buffer member 220 further comprises a sleeve 223 coaxially sleeved outside a suspension end of the guide rod 221, the suspension end of the sleeve 223 is arranged in the fixing groove 230 in a matching manner, a damping spring 225 is arranged between the suspension end of the guide rod 221 and the bottom of the fixing groove 230, one end of the damping spring 225 abuts against the bottom of the fixing groove 230, the other end of the damping spring 225 abuts against the guide rod 221, the elastic force of the damping spring 225 pushes the guide rod 221 to move along the axial direction of the sleeve 223, which deviates from the bottom of the fixing groove 230, and one end of the guide rod;
the secondary vibration damping mechanism 30 includes a bearing 310 sleeved outside the rotating shaft body 110, a guide rod 340 extending vertically and upwardly is arranged at the top of an outer ring of the bearing 310, a suspension end of the guide rod 340 forms sliding guide fit with the frame and a guide direction is vertical to the bottom surface, a fixing plate 330 arranged horizontally is sleeved outside the guide rod 340, the fixing plate 330 is in threaded connection with the frame, a compression spring 320 is sleeved outside the guide rod 340, and the compression spring 320 is arranged between the fixing plate 330 and the bearing 310;
the three-stage vibration damping mechanism comprises a fixed shaft 410 fixedly connected with the frame, the fixed shaft 410 is parallel to the ground, the axial direction of the fixed shaft 410 is vertical to the axial direction of the rotating shaft 10, a vibration damping sheet 420 is sleeved outside the fixed shaft 410, and the suspension end of the vibration damping sheet 420 is connected with the top end of the guide rod 340;
the damping sheet 420 is a clockwork spring, the clockwork spring is coaxially wound outside the fixed shaft 410, one end of the clockwork spring is connected with the fixed shaft 410, the other end of the clockwork spring is connected with the top end of the guide rod 340, and when the guide rod 340 moves upwards, the clockwork spring is tightened;
in the process of using the multi-stage buffer damping mechanism for the rotating shaft of the vehicle, the wheel drives the rotating shaft body 110 to move vertically upwards, the rotating shaft body 110 pushes the guide rod 221 to move towards the fixing rod 226, the guide rod 221 presses the damping spring 225 and the spiral spring 227, the damping spring 225 and the spiral spring 227 contract, at this time, the damping spring 225, the spiral spring 227 and the damping rubber 222 damp vibration, meanwhile, the rotating shaft body 110 pushes the guide rod 340 to move vertically upwards through the bearing 310, the bearing 310 and the fixing plate 330 approach each other and press the compression spring 320, the compression spring 320 damps vibration, the guide rod 340 drives the clockwork spring to move in the process of moving vertically upwards, and the clockwork spring tightens and damps vibration.
Example 3
As shown in fig. 6-7, the buffering member 220 further includes a coil spring 227 disposed inside the damping spring 225, the diameter of the coil spring 227 is smaller than that of the damping spring 225, one end of the coil spring 227 is connected to the guide rod 221, the other end of the coil spring 227 is provided with a fixing rod 226 coaxial with the sleeve 223, the suspended end of the fixing rod 226 abuts against the bottom of the fixing groove 230, and the fixing rod 226 is located inside the damping spring 225;
wherein, the damping layer 224 is uniformly laid on the inner wall of the sleeve 223;
wherein, the bottom of the fixing groove 230 is provided with a connecting groove for inserting the fixing rod 226.
The foregoing shows and describes the general principles and features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A multi-stage buffer vibration-damping mechanism for the rotary axle of vehicle is composed of rotary axle connected to wheel, the first, the second and the third vibration-damping mechanisms,
the rotating shaft can rotate around the axis of the rotating shaft,
the first-stage vibration damping mechanism is coaxially sleeved outside the rotating shaft, is connected with the engine and transmits power of the engine to the rotating shaft to drive the rotating shaft to rotate around the axis of the first-stage vibration damping mechanism, the second-stage vibration damping mechanism is movably connected with the rotating shaft, the second-stage vibration damping mechanism is in sliding guide fit with the frame, and the third-stage vibration damping mechanism is arranged between the first-stage vibration damping mechanism and the second-stage vibration damping mechanism;
the rotating shaft comprises a rotating shaft body, a plurality of through holes are formed in the outer portion of the rotating shaft body, and the through holes are uniformly arranged at intervals along the circumferential direction of the rotating shaft body;
the one-level damping mechanism include that the coaxial cover locates the outside conduction ring of pivot body, the conduction ring is connected with the engine and the conduction ring can rotate around self axis under the drive of engine, be provided with between conduction ring inner circle face and the pivot body with the buffer member of quantity such as interlude hole, buffer member along the even interval arrangement of pivot body circumferencial direction, the conduction ring inner circle face set up the fixed slot that matches with buffer member, buffer member one end set up in the fixed slot, the buffer member other end sets up in the interlude hole, through conduction ring and buffer member with engine power transmission to pivot body and drive the pivot body around self axis rotation.
2. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 1, wherein: buffer member including setting up in the downthehole guide arm of interlude, the one end that the guide arm deviates from the interlude hole bottom of the hole stretches out the interlude hole, buffer member still include coaxial sleeve locate the outside sleeve of guide arm suspension end, telescopic suspension end matches and sets up in the fixed slot, be provided with damping spring between guide arm suspension end and the fixed slot tank bottom, damping spring's one end conflict fixed slot tank bottom, damping spring's other end guide arm, damping spring's elasticity promotes the guide arm and moves towards the direction that deviates from the fixed slot tank bottom along the sleeve axial, the one end that the guide arm closes on the interlude hole is provided with damping rubber.
3. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 1, wherein: the buffer member further comprises a spiral spring arranged inside the damping spring, the diameter of the spiral spring is smaller than that of the damping spring, one end of the spiral spring is connected with the guide rod, the other end of the spiral spring is provided with a fixed rod coaxial with the sleeve, the suspension end of the fixed rod abuts against the bottom of the fixed groove, and the fixed rod is located inside the damping spring.
4. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 3, wherein: and damping layers are uniformly laid on the inner wall of the sleeve.
5. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 2, wherein: and a connecting groove for inserting the fixing rod is formed at the bottom of the fixing groove.
6. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 1, wherein: the outside bearing of pivot body is located including the cover to second grade damping mechanism, and bearing inner race top is provided with the vertical guide bar that upwards extends, and the suspension end of guide bar constitutes the perpendicular bottom surface of sliding guide cooperation and direction with the frame, and the fixed plate that the level was arranged is equipped with to the outside cover of guide bar, fixed plate and frame threaded connection, and the outside cover of guide bar is equipped with compression spring, and compression spring is between fixed plate and bearing.
7. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 1, wherein: the three-stage vibration damping mechanism comprises a fixed shaft fixedly connected with the frame, the fixed shaft is parallel to the ground and is axially vertical to the axial direction of the rotating shaft, a vibration damping sheet is sleeved outside the fixed shaft, and the suspension end of the vibration damping sheet is connected with the top end of the guide rod.
8. The multistage buffering and damping mechanism for the rotating shaft of the vehicle as claimed in claim 7, wherein: the damping piece is a clockwork spring, the clockwork spring is coaxially wound outside the fixed shaft, one end of the clockwork spring is connected with the fixed shaft, the other end of the clockwork spring is connected with the top end of the guide rod, and when the guide rod moves upwards, the clockwork spring is tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431674.XA CN110094454B (en) | 2019-05-23 | 2019-05-23 | Multi-stage buffering vibration reduction mechanism for rotating shaft of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431674.XA CN110094454B (en) | 2019-05-23 | 2019-05-23 | Multi-stage buffering vibration reduction mechanism for rotating shaft of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094454A CN110094454A (en) | 2019-08-06 |
| CN110094454B true CN110094454B (en) | 2021-04-23 |
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| CN201910431674.XA Expired - Fee Related CN110094454B (en) | 2019-05-23 | 2019-05-23 | Multi-stage buffering vibration reduction mechanism for rotating shaft of vehicle |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206636982U (en) * | 2017-03-21 | 2017-11-14 | 陕西国力信息技术有限公司 | Torsional vibration damper and the engine flywheel with torsional vibration damper |
| CN109263402A (en) * | 2017-01-23 | 2019-01-25 | 杭州富阳新远新能源有限公司 | A kind of driving wheel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204845427U (en) * | 2015-07-28 | 2015-12-09 | 广州市井源机电设备有限公司 | A ground self -adaptation mechanism for AGV actuating mechanism |
| CN106523566B (en) * | 2016-10-20 | 2018-08-03 | 许继电气股份有限公司 | Primary and secondary spring assembly and its spring base |
| CN206537365U (en) * | 2017-01-19 | 2017-10-03 | 一汽丰田技术开发有限公司 | A kind of dooly car |
| CN208634323U (en) * | 2018-08-28 | 2019-03-22 | 龙岩卓越机械有限公司 | A kind of belt pulley with shock-damping structure |
| CN109050190A (en) * | 2018-08-30 | 2018-12-21 | 安徽凌坤智能科技有限公司 | A kind of suspension arrangement for AGV equipment |
| CN109484497A (en) * | 2018-12-07 | 2019-03-19 | 东风商用车有限公司 | A kind of compound front-suspension for engineering vehicle cab |
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2019
- 2019-05-23 CN CN201910431674.XA patent/CN110094454B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263402A (en) * | 2017-01-23 | 2019-01-25 | 杭州富阳新远新能源有限公司 | A kind of driving wheel |
| CN206636982U (en) * | 2017-03-21 | 2017-11-14 | 陕西国力信息技术有限公司 | Torsional vibration damper and the engine flywheel with torsional vibration damper |
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| CN110094454A (en) | 2019-08-06 |
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Granted publication date: 20210423 |