CN101580090A - Motorcycle frame assembly - Google Patents
Motorcycle frame assembly Download PDFInfo
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- CN101580090A CN101580090A CNA2009101041027A CN200910104102A CN101580090A CN 101580090 A CN101580090 A CN 101580090A CN A2009101041027 A CNA2009101041027 A CN A2009101041027A CN 200910104102 A CN200910104102 A CN 200910104102A CN 101580090 A CN101580090 A CN 101580090A
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- 238000010276 construction Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The invention discloses a motorcycle frame assembly, which comprises a frame vertical pipe, a frame main beam pipe, a frame left middle pipe and a frame right middle pipe, wherein the ratio of the outer diameter of the frame main beam pipe to the outer diameter of the frame vertical pipe is 0.8-1, and the ratio of the wall thickness of the frame main beam pipe to the wall thickness of the frame vertical pipe is 0.5-0.75; the ratio of the outer diameters of the tubes of the left middle tube and the right middle tube of the frame to the outer diameter of the tube of the vertical tube of the frame is 0.55-0.65, and the ratio of the wall thicknesses of the tube walls of the left middle tube and the right middle tube of the frame to the wall thickness of the tube wall of the vertical tube of the frame is 0.5-0.75; the invention adjusts the natural frequency of the whole frame, can fully adapt to the vibration frequency of the motorcycle engine, avoids the resonance of the frame and the motorcycle engine, improves the riding comfort, the operation stability and the safety, avoids the larger vibration of other parts, prolongs the service life of the whole motorcycle and the parts, and reduces the vehicle using cost.
Description
Technical field
The present invention relates to a kind of motorcycle part, particularly a kind of motor-cycle frame assembly.
Background technology
Frame of motorcycle is the main load bearing component of motor bike, and its intensity and fatigue life are most important concerning Finished Motorcycle of motorcycle.Fast development along with science and technology, people propose requirements at the higher level to ride comfort of motorcycle and stability, and the vibration problem of frame of motorcycle is to hinder the technical bottleneck that motor bike already develops always, it also is the immediate cause that influences the car load vibration, frame of motorcycle needs to bear the effect of static weight and various live loads in the course of the work, thereby the intensity and the dynamic characteristics of vehicle frame all had higher requirement, the dynamic characteristics design out of reach requirement of vehicle frame is to the travelling comfort of motor bike, road-holding property, the use of safety and each parts all has adverse effect.Though in making the motor bike process, take into full account the direction of vibration of coupling of motor cycle engine and vehicle frame and the layout of car load center of gravity,, effectiveness in vibration suppression is also not obvious.
In the prior art, the reason that causes frame of motorcycle vibration comprises the impact of jolting of the vibration of driving engine and the motor bike vertical direction in advancing and horizontal direction etc., vertical direction during motor bike is advanced jolt and the live loads such as impact of horizontal direction mainly are whole and motor bike single-piece at vehicle frame, thereby be not the major cause of self vibrating that causes frame of motorcycle.Thereby the vibration of driving engine is only the major cause that causes the frame of motorcycle vibrations.
Therefore, need the structure of vehicle frame be redesigned, the oscillation frequency that can fully adapt to motor cycle engine, avoid vehicle frame and motor cycle engine to resonate, improve travelling comfort, road-holding property and safety, avoid the bigger vibration of other parts, prolong the service life of Finished Motorcycle of motorcycle and parts, reduce and use the car cost.
Summary of the invention
In view of this, the invention provides a kind of motor-cycle frame assembly, the oscillation frequency that can fully adapt to motor cycle engine, avoid vehicle frame and motor cycle engine to resonate, improve travelling comfort, road-holding property and safety, avoid the bigger vibration of other parts, prolong the service life of Finished Motorcycle of motorcycle and parts, reduce and use the car cost.
Motor-cycle frame assembly of the present invention, comprise seat tube, vehicle frame main beam pipe, vehicle frame left tube and vehicle frame right tube, described vehicle frame main beam pipe front end is captiveed joint with seat tube, captive joint with the vehicle frame right tube with the vehicle frame left tube in the vehicle frame main beam rear end, the external diameter of pipe of described vehicle frame main beam pipe is 0.8-1 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.5-0.75 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.55-0.65 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.5-0.75 with the ratio of seat tube pipe wall thickness.
Further, stay tube in before also comprising, stay tube in the back, stay tube under stay tube and the secondary leg rest on the secondary leg rest, stay tube composition del structure is fixedly installed on the vehicle frame main beam pipe in preceding middle stay tube and the back, vehicle frame left tube and vehicle frame right tube bottom, stay tube bottom in stay tube and the back in before the secondary leg rest supporting construction of the triangle that stay tube is formed under stay tube and the secondary leg rest on the secondary leg rest is arranged on, on the described secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.45-0.6, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.5-0.75;
Further, the external diameter of pipe of described vehicle frame main beam pipe is 0.9 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.65 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.6 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube pipe wall thickness; On the described secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.55, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.65;
Further, the external diameter of pipe of described seat tube is 45, and pipe wall thickness is 4.0.
Beneficial effect of the present invention: motor-cycle frame assembly of the present invention, with the seat tube is benchmark, to in the vehicle frame vehicle frame vibration-damping function there being the vehicle frame main beam pipe of considerable influence, the structure of pipe fittings such as vehicle frame left tube and vehicle frame right tube is improved, change resonance effect, confinement mechanism and vehicle frame single-piece natural frequency, the oscillation frequency that can fully adapt to motor cycle engine, avoid vehicle frame and motor cycle engine to resonate, improve travelling comfort, road-holding property and safety, avoid the bigger vibration of other parts, prolong the service life of Finished Motorcycle of motorcycle and parts, reduce and use the car cost.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 be Fig. 1 along A to view;
Fig. 3 is the present invention and prior art vibration situation comparison diagram.
The specific embodiment
Fig. 1 is a structural representation of the present invention, Fig. 2 be Fig. 1 along A to view, as shown in the figure: the motor-cycle frame assembly of present embodiment, comprise seat tube 1, vehicle frame main beam pipe 2, vehicle frame left tube 3 and vehicle frame right tube 4, the external diameter of pipe of seat tube 1 is 45mm, pipe wall thickness is 4.0mm, described vehicle frame main beam pipe 2 front ends are captiveed joint with seat tube 1, captive joint with vehicle frame right tube 4 with vehicle frame left tube 3 in vehicle frame main beam 2 rear ends, rationally adjust vehicle frame main beam pipe 2, relative scale between vehicle frame left tube 3 and vehicle frame right tube 4 externals diameter of pipe and thickness of pipe and seat tube 1 external diameter of pipe and the thickness of pipe, reach adjustment to the vehicle frame natural frequency, can be adapted to the operating frequency of driving engine, reach the vibration damping purpose.
Certainly, according to different needs, it is different that the external diameter of pipe of seat tube and wall thickness have, but control proportionate relationship between vehicle frame main beam pipe 2, vehicle frame left tube 3 and vehicle frame right tube 4 and the seat tube 1 well, can both realize the vibration damping purpose.
In the specific embodiment, stay tube 8 under stay tube 7 and the secondary leg rest on the stay tube 6, secondary leg rest in stay tube 5, the back in before also comprising, before in stay tube 5 and the back stay tube 6 form the del structures and be fixedly installed on vehicle frame main beam pipe 2, vehicle frame left tube 3 and vehicle frame right tube 4 bottoms, in stay tube 5 and the back stay tube 6 bottoms in before the secondary leg rest supporting construction of the triangle that stay tube 8 is formed under stay tube 7 and the secondary leg rest on the secondary leg rest is arranged on; In the present embodiment, also the external diameter of pipe and the tube wall of stay tube 8 under stay tube 7 on the secondary leg rest and the secondary leg rest are adjusted, guaranteed that further the natural frequency of vehicle frame can adapt with engine behavior, reach the optimum efficiency of vibration damping.Before in the stay tube 5, back on the stay tube 6, secondary leg rest under stay tube 7 and the secondary leg rest stay tube 8 be respectively two, be positioned at the both sides of motor bike.
Below be stay tube 8 externals diameter of pipe and structural pipe wall embodiment under stay tube 7 and the secondary leg rest on seat tube 1, vehicle frame main beam pipe 2, vehicle frame left tube 3, vehicle frame right tube 4, the secondary leg rest:
Embodiment one
The external diameter of pipe of vehicle frame main beam pipe is 0.8 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.5 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.55 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.5 with the ratio of seat tube pipe wall thickness; On the secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.45, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.5.
Embodiment two
The external diameter of pipe of vehicle frame main beam pipe is 1 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.75 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.75 with the ratio of seat tube pipe wall thickness; On the secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.6, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.75.
Embodiment three
The external diameter of pipe of vehicle frame main beam pipe is 0.9 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.65 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.6 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube pipe wall thickness; On the secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.55, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.65.
Embodiment four
The external diameter of pipe of vehicle frame main beam pipe is 0.85 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.7 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.6 with the ratio of seat tube pipe wall thickness; On the secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.5, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.75.
Embodiment five
The external diameter of pipe of vehicle frame main beam pipe is 0.8 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.5 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.55 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.5 with the ratio of seat tube pipe wall thickness.
Embodiment six
The external diameter of pipe of vehicle frame main beam pipe is 1 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.75 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.75 with the ratio of seat tube pipe wall thickness.
Embodiment seven
The external diameter of pipe of vehicle frame main beam pipe is 0.9 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.65 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.6 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube pipe wall thickness.
Embodiment eight
The external diameter of pipe of vehicle frame main beam pipe is 0.85 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.7 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.6 with the ratio of seat tube pipe wall thickness.
Fig. 3 is the present invention and prior art vibration situation comparison diagram, and as shown in the figure: ordinate is an amplitude among the figure, and abscissa is an engine speed, and as can be seen from Figure, along with the raising of engine speed, frame weaving increases gradually.The a curve is the vibration situation that prior art vehicle frame head vibration amplitude increases with engine speed among the figure, and the b curve is the vibration situation that embodiment four back vehicle frame head vibration amplitudes increase with engine speed; The c curve is the vibration situation that prior art vehicle frame afterbody vibration amplitude increases with engine speed, and the d curve is the vibration situation that embodiment eight back vehicle frame afterbody vibration amplitudes increase with engine speed; As can be seen from Figure, the vibration situation of b, c and d curve all is better than prior art, and the d curve is more excellent.
Embodiment five to embodiment eight is not owing to transform the pipe wall thickness and the external diameter of pipe of stay tube under stay tube on the secondary leg rest and the secondary leg rest, and the vibration situation is more bigger than embodiment one to embodiment four in the practice, but still is better than prior art.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. motor-cycle frame assembly, comprise seat tube, vehicle frame main beam pipe, vehicle frame left tube and vehicle frame right tube, described vehicle frame main beam pipe front end is captiveed joint with seat tube, captive joint with the vehicle frame right tube with the vehicle frame left tube in the vehicle frame main beam rear end, it is characterized in that: the external diameter of pipe of described vehicle frame main beam pipe is 0.8-1 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.5-0.75 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.55-0.65 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.5-0.75 with the ratio of seat tube pipe wall thickness.
2. motor-cycle frame assembly according to claim 1, it is characterized in that: stay tube in before also comprising, stay tube in the back, stay tube under stay tube and the secondary leg rest on the secondary leg rest, stay tube composition del structure is fixedly installed on the vehicle frame main beam pipe in preceding middle stay tube and the back, vehicle frame left tube and vehicle frame right tube bottom, stay tube bottom in stay tube and the back in before the secondary leg rest supporting construction of the triangle that stay tube is formed under stay tube and the secondary leg rest on the secondary leg rest is arranged on, on the described secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.45-0.6, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.5-0.75.
3. motor-cycle frame assembly according to claim 2 is characterized in that: the external diameter of pipe of described vehicle frame main beam pipe is 0.9 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame main beam pipe is 0.65 with the ratio of seat tube pipe wall thickness; The external diameter of pipe of vehicle frame left tube and vehicle frame right tube is 0.6 with the ratio of seat tube external diameter of pipe, and the pipe wall thickness of vehicle frame left tube and vehicle frame right tube is 0.65 with the ratio of seat tube pipe wall thickness; On the described secondary leg rest under stay tube and the secondary leg rest ratio of the external diameter of pipe of stay tube and seat tube external diameter of pipe be 0.55, on the secondary leg rest under stay tube and the secondary leg rest ratio of the pipe wall thickness of stay tube and seat tube pipe wall thickness be 0.65.
4. motor-cycle frame assembly according to claim 3 is characterized in that: the external diameter of pipe of described seat tube is 45, and pipe wall thickness is 4.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101041027A CN101580090A (en) | 2009-06-16 | 2009-06-16 | Motorcycle frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101041027A CN101580090A (en) | 2009-06-16 | 2009-06-16 | Motorcycle frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101580090A true CN101580090A (en) | 2009-11-18 |
Family
ID=41362439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101041027A Pending CN101580090A (en) | 2009-06-16 | 2009-06-16 | Motorcycle frame assembly |
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| Country | Link |
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| CN (1) | CN101580090A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885360A (en) * | 2010-07-13 | 2010-11-17 | 隆鑫工业有限公司 | Frame of motorcycle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010812A (en) * | 1973-10-16 | 1977-03-08 | Bothwell P W | Motorcycle frame |
| EP0322305A2 (en) * | 1987-12-21 | 1989-06-28 | Honda Giken Kogyo Kabushiki Kaisha | Body frame for motor-bicycle |
| JP2002362464A (en) * | 2001-06-12 | 2002-12-18 | Honda Motor Co Ltd | Frame structure of motorcycle |
| CN2843988Y (en) * | 2005-11-28 | 2006-12-06 | 重庆隆鑫工业（集团）有限公司 | Motorcycle frame structure |
| CN101357658A (en) * | 2008-09-25 | 2009-02-04 | 中国嘉陵工业股份有限公司（集团） | Frame for motor cycle |
| CN101402384A (en) * | 2008-11-11 | 2009-04-08 | 重庆隆鑫机车有限公司 | Frame structure of pedal motorcycle |
| CN201604751U (en) * | 2009-06-16 | 2010-10-13 | 重庆隆鑫机车有限公司 | Motorcycle shock absorbing frame |
-
2009
- 2009-06-16 CN CNA2009101041027A patent/CN101580090A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010812A (en) * | 1973-10-16 | 1977-03-08 | Bothwell P W | Motorcycle frame |
| EP0322305A2 (en) * | 1987-12-21 | 1989-06-28 | Honda Giken Kogyo Kabushiki Kaisha | Body frame for motor-bicycle |
| JP2002362464A (en) * | 2001-06-12 | 2002-12-18 | Honda Motor Co Ltd | Frame structure of motorcycle |
| CN2843988Y (en) * | 2005-11-28 | 2006-12-06 | 重庆隆鑫工业（集团）有限公司 | Motorcycle frame structure |
| CN101357658A (en) * | 2008-09-25 | 2009-02-04 | 中国嘉陵工业股份有限公司（集团） | Frame for motor cycle |
| CN101402384A (en) * | 2008-11-11 | 2009-04-08 | 重庆隆鑫机车有限公司 | Frame structure of pedal motorcycle |
| CN201604751U (en) * | 2009-06-16 | 2010-10-13 | 重庆隆鑫机车有限公司 | Motorcycle shock absorbing frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885360A (en) * | 2010-07-13 | 2010-11-17 | 隆鑫工业有限公司 | Frame of motorcycle |
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Application publication date: 20091118 |