CN101219693A - Frame of riding type motorcycle - Google Patents
Frame of riding type motorcycle Download PDFInfo
- Publication number
- CN101219693A CN101219693A CNA2008100692859A CN200810069285A CN101219693A CN 101219693 A CN101219693 A CN 101219693A CN A2008100692859 A CNA2008100692859 A CN A2008100692859A CN 200810069285 A CN200810069285 A CN 200810069285A CN 101219693 A CN101219693 A CN 101219693A
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- Prior art keywords
- tube
- standpipe
- pipe
- vehicle frame
- frame
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- 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.)
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- 238000005452 bending Methods 0.000 claims abstract description 9
- 210000005239 tubule Anatomy 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 12
- 230000001133 acceleration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Abstract
A frame of a riding type motorcycle mainly comprises a vertical pipe (1), an engine inclined stay pipe (21), a main beam (4), left and right middle pipes (15, 19), left and right upper pipes (12, 5), left and right stay pipes (10, 8) and upper and lower transverse pipes (20, 16), wherein a transverse pipe (6) is connected between the left and right upper pipes (12, 5) at a bending part extending backwards and upwards in the middle part; left and right reinforcing plates (11, 7) between the left and right upper tubes (12, 5) and the left and right stay tubes (10, 8) are moved to the bending positions of the upper ends near the middle parts of the left and right upper tubes (12, 5). According to the invention, through carrying out structural improvement design on the key connecting part of the frame, the frame has more reasonable structure, more reliable strength and rigidity, better riding comfort and longer service life, and effectively reduces the vibration of the whole vehicle.
Description
Technical field
The invention belongs to technical field of motorcycles, specifically, relate to the vehicle frame of motor bike.
Background technology
At present, the vehicle frame of known riding-type motorcycle is called single cradle-type frame again on the market, its overall frame structure is all similar, mainly by standpipe, girder, driving engine down tube, left right tube, go up lower transverse tubule, about go up pipe, left and right sides stay tube etc. and be welded, its middle girder, standpipe, driving engine down tube, left right tube and go up lower transverse tubule formation vehicle frame forward frame; About go up the postmedian framework that pipe, left right tube and left and right sides stay tube have constituted vehicle frame.Yet in use we find, the existing riding-type motorcycle that mounts single cylinder 250 driving engines, and when engine speed was higher than 6000rpm, the car load vibration was very violent, and the traveling comfort of taking is poor.To vehicle frame through drawing after the vibration characteristic analysis: vehicle frame is being lower than in the 200Hz scope, be that engine speed is lower than in the 6000rpm scope, seat cushion, pedal, handgrip Z are less to the acceleration responsive of (fore-and-aft direction) four measuring points to (above-below direction), handgrip X, and frame weaving is less; And in being higher than the 200Hz scope, be that engine speed is higher than in the 6000rpm scope, the acceleration responsive of four measuring points is bigger, and two bigger peak values have appearred, frame weaving is more violent, that is to say, the junction that is associated with handgrip, pedal, seat cushion on the vehicle frame exists the problem of unreasonable structure, so just caused the high vibration of whole vehicle frame under fast state, influenced the travelling comfort of car load.
In addition, the existing riding-type motorcycle frame that is used for mounting single cylinder 250 driving engines when braking suddenly, is installed journal stirrup and upper lateral tube junction on the rear suspension in steering procedure, and upper lateral tube and left and right middle pipe connecting place at first produce destruction easily.To this vehicle frame through finding after the CAE Static Strength Analysis: vehicle frame integrated stress level is lower than 50MPa under the braking in a turn operating mode, journal stirrup and upper lateral tube junction are installed on the rear suspension, a upper lateral tube and a left side, bigger stress (maximum stress is about 232Mpa) has appearred in the right tube connecting place, greater than moving yield stress (promptly being higher than 117.5MPa), that is to say, also there is the problem of unreasonable structure in vehicle frame at above-mentioned local location, vehicle frame can be subjected to bigger centnifugal force and bigger temporary impact load when braking suddenly in steering procedure, above-mentioned defective has caused the intensity of whole vehicle frame unreliable, has influenced the service life of vehicle frame.
Summary of the invention
The problem to be solved in the present invention provide a kind of under fast state the vehicle frame of the riding-type motorcycle that vibration is little, travelling comfort is good of car load.
For solving the problems of the technologies described above, the invention provides a kind of vehicle frame of riding-type motorcycle, comprise standpipe, girder, left right tube, about go up pipe and left and right sides stay tube, the front portion of its middle girder links to each other with standpipe, afterbody is connected simultaneously with left right tube; Driving engine down tube front portion links to each other with standpipe; Be connected with the standpipe left and right strengthening ribs between standpipe, girder and the driving engine down tube; Middle part between the right tube of a left side is connected with upper lateral tube, and the lower end is connected with lower transverse tubule; About go up pipe head link to each other with left right tube respectively, be connected with the seat cushion adapter plate between the afterbody; Stay tube top, the left and right sides respectively with about go up pipe and link to each other, the bottom links to each other with left right tube respectively; About go up between the pipe bending part that extends on backward at the middle part and be connected with transverse tube; About go up pipe and left and right sides brace panel between the stay tube of the left and right sides move to the upper end near about go up bending part in the middle part of the pipe.
The present invention by about on increase transverse tube between the pipe, and with about go up between pipe and the left and right sides stay tube be connected brace panel from original wedge angle position translation to the upper end near about bending part in the middle part of managing, thereby the crucial weak link to rear frame in the vehicle frame is strengthened, and effectively increases the strength and stiffness of rear frame in the vehicle frame.Through the vibration characteristic analysis, to compare with original vehicle frame, the vibration acceleration at seat cushion place and pedal place all has obvious reduction in whole analysis frequency scope, and vibration comfort is improved significantly.
As improvement, driving engine down tube front portion is being upward bent arc near the junction with standpipe; The lower end weld seam of standpipe left and right strengthening ribs approaches the standpipe lower surface in vertical direction.Through the vibration characteristic analysis, compare with original vehicle frame, handgrip X to Z to, eliminated apparent in view vibration acceleration peak value, in whole analyst coverage, present ascendant trend along with frequency raises substantially.As seen, this structural development can effectively reduce handgrip X, Z to vibration.
As further improvement, the brace panel end, bottom of upper lateral tube and left right tube junction extend downwards and respectively with left right tube on the chain stay journal stirrup overlap into one; The junction that journal stirrup is installed on upper lateral tube and the rear suspension is provided with brace panel.Because left right tube and upper lateral tube junction stress are big, the stress that the journal stirrup junction is installed on upper lateral tube and the rear suspension is also bigger, after adopting said structure, the strength and stiffness of upper lateral tube have been strengthened, the power failure-free that can effectively the back damping be transmitted is delivered to the vehicle frame middle part, and then prolonged service life of vehicle frame, also can effectively reduce the vibration of car load simultaneously.
The technique effect that the present invention obtains is: the more reasonable structure of vehicle frame, and strength and stiffness are more reliable, effectively reduced the vibration of car load, and travelling comfort is better, the longer service life of whole vehicle frame.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is a perspective view of the present invention.
Fig. 4 be in the embodiment of the invention vibration characteristic analytical test to the measuring point of seat cushion response scheme drawing.
Fig. 5 be in the embodiment of the invention vibration characteristic analytical test to the measuring point of pedal response scheme drawing.
Fig. 6 be in the embodiment of the invention vibration characteristic analytical test to handgrip X to measuring point response scheme drawing.
Fig. 7 be in the embodiment of the invention vibration characteristic analytical test to handgrip Z to measuring point response scheme drawing.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 3, be used for mounting the riding-type motorcycle frame of single cylinder 250 driving engines, mainly form by standpipe 1, driving engine down tube 21, girder 4, left tube 15, right tube 19, upper lateral tube 20, lower transverse tubule 16, upper left pipe 12, upper right pipe 5, left stay tube 10 and right stay tube 8.Its neutral tube 1, girder 4, driving engine down tube 21, left tube 15, right tube 19, upper lateral tube 20 and lower transverse tubule 16 constitute the vehicle frame forward frame; Upper left pipe 12, upper right pipe 5, left tube 15, right tube 19, left stay tube 10 and right stay tube 8 have constituted vehicle frame postmedian framework.
Annexation between each constituent elements is: standpipe 1 is connected with the front portion of girder 4, and portion is oblique backward from the front portion extends down and be connected simultaneously with right tube 19 at the left tube 15 that afterbody and head are flattened for girder 4; Driving engine down tube 21 front portions link to each other with standpipe 1, are connected with left and right reinforced rib 2 and 3 between girder 4, standpipe 1 and driving engine down tube 21 threes; Upper lateral tube 20 is connected the middle part between left tube 15 and the right tube 19, and left tube 15 is connected by lower transverse tubule 16 with right tube 19 moulding posterior ends; After flattening, the head of upper left pipe 12, upper right pipe 5 links to each other with left tube 15, right tube 19 respectively; Upper left pipe 12, upper right pipe 5 anterior levels extend back, and the rear portion is extended obliquely and be connected with seat cushion adapter plate 9 between afterbody; Left side stay tube 10, right stay tube 8 tops are flattened respectively and are linked to each other with upper left pipe 12, upper right pipe 5, and the bottom is flattened respectively and linked to each other with left tube 15, right tube 19.
As shown in Figure 3, compare with traditional riding-type motorcycle frame that mounts single cylinder 250 driving engines, one of key distinction of the present invention is: the bending part that extends on backward at the middle part between upper left pipe 12, the upper right pipe 5 is connected with transverse tube 6; Left and right sides brace panel 11,7 between upper left pipe 12, upper right pipe 5 and left stay tube 10, the right stay tube 8 move to the upper end near about go up the bending part at pipe 12,5 middle parts.After structurally doing above-mentioned improvement, between the left, right upper tube 12 and 5 and about go up and being connected between pipe 12,5 and the left and right stay tube 10,8 to have obtained reinforcement respectively, effectively increased the strength and stiffness of rear frame in the vehicle frame.Referring to Fig. 4 and Fig. 5, can find out through the vibration characteristic analytical test: compare with original vehicle frame, at the seat cushion place, eliminated near an apparent in view peak value of 270Hz, under other frequency, be in the level of 10m/s2 substantially, and corresponding driving engine 9000 rotating speeds of the peak value of 300Hz because be of little use, can not considered; At the pedal place, eliminated near an apparent in view peak value of 250Hz, obviously reduced near the peak value of 220Hz.As seen, improve the vibration acceleration of vehicle frame and compare with original vehicle frame model, (corresponding engine speed 1500～9000rpm) has obvious reduction, and vibration comfort is improved significantly in whole analysis frequency scope.
As shown in Figure 1, two of difference be: driving engine down tube 21 front portions are being upward bent arc near the junction with standpipe 1; The lower end weld seam of standpipe left and right strengthening ribs 2,3 approaches standpipe 1 lower surface in vertical direction.Referring to Fig. 6 and Fig. 7, can find out through the vibration characteristic analytical test: compare with original vehicle frame, handgrip X to, in whole analyst coverage, eliminated tangible peak value, and presented ascendant trend along with frequency raises; Handgrip Z to, eliminated near apparent in view peak value the 250Hz, obviously reduced near the peak value the 220Hz, in whole analyst coverage, present ascendant trend along with frequency raises substantially.As seen, this structural development can effectively reduce handgrip X, Z to vibration.
As shown in Figure 3, three of difference be: upper lateral tube 20 extend downwards with bottom brace panel 13,14 ends of left right tube 15,19 junctions and respectively with left right tube 15,19 on chain stay journal stirrup 24,25 overlap into one; The junction that journal stirrup 22 is installed on upper lateral tube 20 and the rear suspension is provided with brace panel 17.Adopt this structure, strengthened the strength and stiffness of upper lateral tube, the power failure-free that can effectively the back damping be transmitted is delivered to the vehicle frame middle part, and then has prolonged the service life of vehicle frame, also can effectively reduce the vibration of car load simultaneously.
To sum up, by the connecting portion that is associated with cushion, pedal and handle pipe on the vehicle frame being carried out structural improvement design, make the strength and stiffness of whole vehicle frame all obtain more rational layout, intensity is more reliable, under the fast state vibration obtained tangible decline, travelling comfort is better.
Claims (3)
1. the vehicle frame of a riding-type motorcycle, comprise standpipe (1), girder (4), left right tube (15,19), about go up pipe (12,5) and left and right sides stay tube (10,8), the front portion of its middle girder (4) links to each other with standpipe (1), and afterbody is connected simultaneously with left right tube (15,19); Driving engine down tube (21) is anterior to link to each other with standpipe (1); Be connected with standpipe left and right strengthening ribs (2,3) between standpipe (1), girder (4) and the driving engine down tube (21); Middle part between the left side right tube (15,19) is connected with upper lateral tube (20), and the lower end is connected with lower transverse tubule (16); About go up pipe (12,5) head link to each other with left right tube (15,19) respectively, be connected with seat cushion adapter plate (9) between the afterbody; Left and right sides stay tube (10,8) top respectively with about go up pipe (12,5) and link to each other, the bottom links to each other with left right tube (15,19) respectively, it is characterized in that: go up about described manage between (12,5) the middle part backward on the bending part of extension be connected with transverse tube (6); About go up pipe (12,5) and left and right sides brace panel (11,7) between the left and right sides stay tube (10,8) move to the upper end near about go up bending part in the middle part of the pipe (12,5).
2. the vehicle frame of a kind of riding-type motorcycle as claimed in claim 1 is characterized in that: described driving engine down tube (21) is anterior to be upward bent arc near the junction with standpipe (1); The lower end weld seam of standpipe left and right strengthening ribs (2,3) approaches standpipe (1) lower surface in vertical direction.
3. the vehicle frame of a kind of riding-type motorcycle as claimed in claim 1 or 2 is characterized in that: described upper lateral tube (20) extend downwards with bottom brace panel (13, the 14) end of left right tube (15,19) junction and respectively with left right tube (15,19) on chain stay journal stirrup (24,25) overlap into one; The junction that journal stirrup (22) is installed on upper lateral tube (20) and the rear suspension is provided with brace panel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100692859A CN101219693B (en) | 2008-01-22 | 2008-01-22 | Frame of riding type motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100692859A CN101219693B (en) | 2008-01-22 | 2008-01-22 | Frame of riding type motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219693A true CN101219693A (en) | 2008-07-16 |
| CN101219693B CN101219693B (en) | 2010-04-21 |
Family
ID=39629838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100692859A Expired - Fee Related CN101219693B (en) | 2008-01-22 | 2008-01-22 | Frame of riding type motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101219693B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120477A (en) * | 2010-07-13 | 2011-07-13 | 增城市好日子摩托车有限公司 | Heavy-duty motorcycle frame |
| CN102616314A (en) * | 2011-02-01 | 2012-08-01 | 本田技研工业株式会社 | Framework for motor bicycle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649463Y (en) * | 2003-09-29 | 2004-10-20 | 重庆隆鑫工业（集团）有限公司 | Integrated-wide type motorcycle frame |
| CN2723326Y (en) * | 2004-07-26 | 2005-09-07 | 重庆隆鑫工业（集团）有限公司 | Heavy load motorcycle frame |
| CN2771085Y (en) * | 2005-02-03 | 2006-04-12 | 重庆隆鑫工业（集团）有限公司 | Motorcycle frame |
| CN2792928Y (en) * | 2005-04-18 | 2006-07-05 | 重庆隆鑫工业（集团）有限公司 | Braced-tube connecting streucture of motorcycle frame |
| CN101032991A (en) * | 2007-04-19 | 2007-09-12 | 重庆隆鑫工业（集团）有限公司 | Motorcycle vibration damping frame |
| CN201186706Y (en) * | 2008-01-22 | 2009-01-28 | 隆鑫工业有限公司 | Riding type motorcycle frame |
-
2008
- 2008-01-22 CN CN2008100692859A patent/CN101219693B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120477A (en) * | 2010-07-13 | 2011-07-13 | 增城市好日子摩托车有限公司 | Heavy-duty motorcycle frame |
| CN102616314A (en) * | 2011-02-01 | 2012-08-01 | 本田技研工业株式会社 | Framework for motor bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101219693B (en) | 2010-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING LONGXIN LOCOMOTIVE CO., LTD. Free format text: FORMER OWNER: LONGXIN INDUSTRIAL CO., LTD. Effective date: 20091113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091113 Address after: Chongqing Nanping City Economic and Technological Development Zone LONCIN Industrial Park Post encoding: 400060 Applicant after: Chongqing Longxin Engine Co., Ltd. Address before: LONCIN Industrial Park, Baihe Industrial Zone, Chongqing economic and Technological Development Zone, China: 400060 Applicant before: Loncin Industry Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20140122 |