CN101850776B - Radial mechanism of locomotive bogie - Google Patents
Radial mechanism of locomotive bogie Download PDFInfo
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- CN101850776B CN101850776B CN2010101582711A CN201010158271A CN101850776B CN 101850776 B CN101850776 B CN 101850776B CN 2010101582711 A CN2010101582711 A CN 2010101582711A CN 201010158271 A CN201010158271 A CN 201010158271A CN 101850776 B CN101850776 B CN 101850776B
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Abstract
The invention discloses a radial mechanism of a locomotive bogie, relating to the field of locomotive structure design. The mechanism comprises a framework, bogie shafts, rotating beams, shaft box pull rods, connecting rods, L-shaped brackets and a coupling rod, wherein a front rotating beam is connected with a front bogie shaft through a front shaft box pull rod, and a rear rotating beam is connected with a rear bogie shaft through a rear shaft box pull rod; the front rotating beam is connected with one end of a right L-shaped bracket through a right connecting rod, and the rear rotating beam is connected with one end of a left L-shaped bracket through a left connecting rod; and the other end of the right L-shaped bracket is connected with the other end of the left L-shaped bracket through the coupling rod so as to realize the linkage between wheel pairs. When the locomotive passes through a curve, rear bogie shaft wheel pairs and front bogie shaft wheel pairs form a splayed shape, and all the wheel pairs tend to radial positions, which is beneficial to reducing attach angles between wheel edges and steel rails. The curve passing speed of the locomotive can be improved by about 20 percent, thereby the abrasion of the wheel edges is reduced, and the adhesiveness of the locomotive on the curve is improved.
Description
Technical field
The present invention relates to rolling stock structure design field, be specially a kind of radial mechanism of locomotive bogie, be applied on the rolling stock bogie truck.
Background technology
China is vast in territory, and hills and mountain area proportion are very big, and the railroad curve in mountain area is many and bending spring is little, has limited the running velocity of rolling stock.Development locomotive radial steering technology can improve vehicle by running velocity on the elbow curve and the wearing and tearing that alleviate wheel, rail, reduces the railroad maintenance cost.Self guide mechanism is a gordian technique of radial steering, effect by self guide mechanism can reduce the right angle of attack of wheel, thereby make wheel-rail lateral force each take turns between reasonably distributed, make front and back wheel to by curve the time, having the radial position ability that is tending towards curve simultaneously, thus the stability when improving rolling stock greatly by curve.
In recent years, various countries competitively carry out the radially research of bogie truck, have obtained certain effect, have begun to enter practical stage, and this respect development mainly contains countries such as the U.S., Germany, Switzerland, South Africa than faster.
Current, the wheel of the most of rolling stock that travels on China's circuit is bordering on being connected of rigidity to still adopting in the vertical with framework, and promptly front and back wheel is parallel to remaining in the operational process.When rolling stock when the curve track, wheel is to the position of keeping parallelism still in framework, make wheel to and track between the angle of attack bigger, produce bigger transverse force between wheel track, thereby wheel-rail wear is serious, rolling stock adhesive performance on curve descends.Solve this contradiction, adopting the radial steering technology is a desirable approach.
The self guide mechanism bogie truck is the guiding mechanism that utilizes front and back wheel right, the motion of shaking the head that front and back wheel is right is coupled together, utilize vertical creep power of left and right wheels poor, front-wheel is right to by the curve hour wheel trend that is tending towards radial position oppositely being sent to trailing wheel, make front and back wheel to by curve the time, all being tending towards the curve radial position, reduce the wheel track horizontal force to reach, reduce to take turns purpose the angle of attack and wheel-rail wear.
Chinese patent CN200720129909.2 discloses a kind of passenger car bogie radial guide means, and its composition comprises: two pilot bars, mount pad, guiding damper, guiding damper seat.
U.S. Pat 4679506 discloses locomotive (the Railway truck with improved steering linkage of a kind of improved steering swivel system, detachable suspension and traction motor braking, detachablesuspension and traction motor mounted brake), its structure is: the right side wheel of front-wheel links together to axle box by pull bar and the trailing wheel wheel to the same side to axle box, realizes interlock.
Yet before, during and after still can not limiting effectively in above-mentioned two kinds of guide piece structures the wheel to vertical relative displacement, before, during and after being easy to generate wheel between the motion of shaking the head relatively, cause train guiding mechanism when high-speed cruising to produce fierce vibration, wheel-rail wear and tear is serious.
Chinese patent CN03148641.X discloses a kind of radial steering device, its structure is as follows: preceding steering beam links together to axle box by pull bar left and right wheel that front-wheel is right, and back steering beam links together to axle box by pull bar left and right wheel that trailing wheel is right.Two steering beams link together by a big pull bar (being equivalent to coupling bar of the present invention) again, thus realize front and rear wheel to interlock.
Chinese patent CN03148641.X also discloses a kind of radial steering device, it comprises framework, front and rear wheel to forward and backward bogie axle, and the forward and backward steering beam that links to each other with forward and backward bogie axle by pull bar respectively, in one wheel to and middle bogie axle, the between centers pull bar (being equivalent to coupling bar of the present invention) of steering beam and back steering beam before connection.Two steering beams link together by a between centers pull bar again, thus realize front and rear wheel to interlock.
This patent limit to a certain extent front and rear wheel to vertical relative displacement, yet it is because only grade coupled by one, when bend front and rear wheel between still be easy to generate by a relatively large margin the motion of shaking the head relatively, cause train guiding mechanism when high-speed cruising to produce fierce vibration, wheel-rail wear and tear is serious.
Summary of the invention
For before overcoming existing radial mechanism of locomotive bogie and can not limiting effectively, in, trailing wheel to vertical relative displacement, be easy to generate front and back wheel between the motion of shaking the head relatively, cause train guiding mechanism when high-speed cruising to produce fierce vibration, the wheel-rail wear and tear class-one defect, the present invention aims to provide a kind of radial mechanism of locomotive bogie, it has the secondary coupling ability, reduce wheeling edge wearing and transverse force when can guarantee rolling stock linear running stability, reduce specific consumption of fuel, satisfy the requirement of curving performance and lateral stability two aspects simultaneously, improve the adhesive performance of locomotive on curve, the speed when improving train by curve.
To achieve these goals, the technical solution adopted in the present invention is: a kind of radial mechanism of locomotive bogie, comprise framework, be contained in wheel to the bogie truck front axle on the axle box, the bogie truck axis, the bogie truck rear axle, be located at the preceding cant beam of bogie truck front axle one side, be located at the back cant beam of bogie truck rear axle one side, one end is hinged on front-wheel to the front bearing box left lever on the left axle box, one end is hinged on front-wheel to the right pull bar of the front bearing box on the right axle box, one end is hinged on trailing wheel to the rear axle casing left lever on the left axle box, one end is hinged on trailing wheel to the right pull bar of the rear axle casing on the right axle box, its constructional feature is, also comprise the right connecting rod and the left connecting rod that are arranged in the framework both sides, the L type right support that one end links to each other with right connecting rod one end, the L type left socle that one end links to each other with left connecting rod one end, the coupling bar of the connection L type right support other end and the L type left socle other end; The knuckle place of the knuckle place of described L type right support and L type left socle all is hinged on the framework, the described right connecting rod other end links to each other with preceding cant beam right-hand member, the left side connecting rod other end links to each other with back cant beam left end, the right pull bar other end of described front bearing box is hinged on the right section of preceding cant beam, the left end of cant beam before the front bearing box left lever other end is hinged on, the right pull bar other end of rear axle casing is hinged on back cant beam right-hand member, the rear axle casing left lever other end is hinged on a cant beam left side, back section, and cant beam middle-end and back cant beam middle-end all are hinged on the framework before described being somebody's turn to do.
The equal in length of described front bearing box left lever, the right pull bar of front bearing box, the right pull bar of rear axle casing and rear axle casing left lever, the length of right connecting rod equals left connecting rod, each segment length of L type right support equates with L type left socle, the length of preceding cant beam equals the back cant beam, thereby guarantees that the right corner of front and back wheel equates.
Described bogie truck front axle two ends be contained in respectively front-wheel to right axle box and front-wheel on the left axle box, bogie truck rear axle two ends be contained in respectively trailing wheel to right axle box and trailing wheel on the left axle box.
By said structure, preceding cant beam links to each other with the bogie truck front axle through the front bearing box pull bar, back cant beam links to each other with the bogie truck rear axle through the rear axle casing pull bar, and preceding cant beam links to each other with L type right support one end by right connecting rod, back cant beam links to each other with L type left socle one end by left connecting rod, the other end of L type right support links to each other by coupling bar with the other end of L type left socle, thus realize wheel to interlock.
When locomotive passes through curve, creep guiding moment between wheel track makes the wheel of bogie truck front axle to obtaining radial position, the front bearing box pull bar, cant beam rotates to an angle before driving, preceding cant beam drives L type right support is done equal angular around framework rotation, L type right support drives L type left socle is done equal angular around framework rotation by coupling bar, the angle of the relative framework rotation with L type left socle of L type right support is identical, phase place is opposite, L type left socle after left connecting rod drives cant beam around the rotation of doing equal angular around framework, back cant beam is by the rear axle casing pull bar, drive the action of bogie truck rear axle, the wheel of realizing the bogie truck front axle to the wheel of bogie truck rear axle to respect to framework corner equal and opposite in direction, phase place is opposite, thus arbor wheel is to being " eight " font before making behind the bogie truck arbor wheel pair and bogie truck by curve the time.When the curve, each wheel is to trending towards radial position at locomotive, helps reducing the angle of attack between wheel rim and the rail, thereby reduces the abrasion of wheel rim, improves the stickness of rolling stock on the curve.
Compared with prior art, the invention has the beneficial effects as follows: radial mechanism of locomotive bogie of the present invention has the secondary coupling ability, can make before, during and after the bogie truck wheel on the axle have the ability that is tending towards radial position to by curve the time, the forward and backward axle of bogie truck is " eight " font during by curve at locomotive, make the adhesive performance of locomotive on curve strong, locomotive curve negotiating speed can improve and reaches about 20%, reduces wheel-rail wear and tear simultaneously.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of an embodiment of the present invention.
In the drawings
1-bogie truck front axle; 2-bogie truck axis; 3-bogie truck rear axle;
The right pull bar of 11-front bearing box; 12-front bearing box left lever; The right pull bar of 13-rear axle casing;
14-rear axle casing left lever; Cant beam before the 21-; Cant beam behind the 22-;
The 31-right connecting rod; 32-left side connecting rod; 41-L type right support;
42-L type left socle; The 4-framework; The 51-front-wheel is to right axle box;
The 52-front-wheel is to left axle box; The 53-trailing wheel is to right axle box; The 54-trailing wheel is to left axle box;
The 5-coupling bar.
The specific embodiment
A kind of radial mechanism of locomotive bogie, with reference to shown in Figure 1, comprise framework 4, be contained in wheel to the bogie truck front axle 1 on the axle box, bogie truck axis 2, bogie truck rear axle 3, be located at the preceding cant beam 21 of bogie truck front axle 1 one sides, be located at the back cant beam 22 of bogie truck rear axle 3 one sides, one end is hinged on front-wheel to the front bearing box left lever 12 on the left axle box 52, one end is hinged on front-wheel to the right pull bar 11 of the front bearing box on the right axle box 51, one end is hinged on trailing wheel to the rear axle casing left lever 14 on the left axle box 54, one end is hinged on trailing wheel to the right pull bar 13 of the rear axle casing on the right axle box 53, also comprise the right connecting rod 31 and the left connecting rod 32 that are arranged in framework 4 both sides, the L type right support 41 that one end links to each other with right connecting rod 31 1 ends, the L type left socle 42 that one end links to each other with left connecting rod 32 1 ends, the coupling bar 5 of connection L type right support 41 other ends and L type left socle 42 other ends; The knuckle place of the knuckle place of described L type right support 41 and L type left socle 42 all is hinged on the framework 4, described right connecting rod 31 other ends link to each other with preceding cant beam 21 right-hand members, left side connecting rod 32 other ends link to each other with back cant beam 22 left ends, right pull bar 11 other ends of described front bearing box are hinged on the right section of preceding cant beam 21, the left end of cant beam 21 before front bearing box left lever 12 other ends are hinged on, right pull bar 13 other ends of rear axle casing are hinged on back cant beam 22 right-hand members, rear axle casing left lever 14 other ends are hinged on back cant beam 22 left side sections, and cant beam 21 middle-ends and back cant beam 22 middle-ends all are hinged on the framework 4 before described being somebody's turn to do.
The equal in length of described front bearing box left lever 12, the right pull bar 11 of front bearing box, the right pull bar 13 of rear axle casing and rear axle casing left lever 14, the length of right connecting rod 31 equals left connecting rod 32, each segment length of L type right support 41 equates with L type left socle 42, the length of preceding cant beam 21 equals back cant beam 22, thereby guarantees that the right corner of front and back wheel equates.
Described bogie truck front axle 1 two ends be contained in respectively front-wheel to right axle box 51 and front-wheel on the left axle box 52, bogie truck rear axle 3 two ends be contained in respectively trailing wheel to right axle box 53 and trailing wheel on the left axle box 54.
When locomotive passes through curve, creep guiding moment between wheel track makes the wheel of bogie truck front axle 1 to obtaining radial position, front bearing box pull bar 11,12 drive preceding cant beam 21 rotates to an angle, preceding cant beam 21 drives L type right supports 41 are done equal angular around framework 4 rotation, L type right support drives L type left socle 42 is done equal angular around framework 4 rotation by coupling bar 5, L type right support 41 is identical with the angle of L type left socle 42 relative framework rotations, phase place is opposite, L type left socle 42 after left connecting rod 32 drives cant beam 22 around the rotation of doing equal angular around framework 4, back cant beam 22 is by rear axle casing pull bar 13,14 drive 3 actions of bogie truck rear axle, the wheel of realizing bogie truck front axle 1 to the wheel of bogie truck rear axle 3 to respect to framework 4 corner equal and opposite in directions, phase place is opposite, thereby bogie truck rear axle 3 is taken turns taking turns be " eight " font by curve the time with bogie truck front axle 1.When the curve, each wheel is to trending towards radial position at locomotive, helps reducing the angle of attack between wheel rim and the rail, thereby reduces the abrasion of wheel rim, improves the stickness of rolling stock on the curve, and locomotive curve negotiating speed can improve and reaches about 20%.
Claims (2)
1. radial mechanism of locomotive bogie, comprise framework (4), be contained in wheel to the bogie truck front axle (1) on the axle box, bogie truck axis (2), bogie truck rear axle (3), be located at the preceding cant beam (21) of bogie truck front axle (1) one side, be located at the back cant beam (22) of bogie truck rear axle (3) one sides, one end is hinged on front-wheel to the front bearing box left lever (12) on the left axle box (52), one end is hinged on front-wheel to the right pull bar (11) of the front bearing box on the right axle box (51), one end is hinged on trailing wheel to the rear axle casing left lever (14) on the left axle box (54), one end is hinged on trailing wheel to the right pull bar (13) of the rear axle casing on the right axle box (53), it is characterized in that, also comprise the right connecting rod (31) and the left connecting rod (32) that are arranged in framework (4) both sides, the L type right support (41) that one end links to each other with right connecting rod (31) one ends, the L type left socle (42) that one end links to each other with left connecting rod (32) one ends, the coupling bar (5) of connection L type right support (41) other end and L type left socle (42) other end; The knuckle place of the knuckle place of described L type right support (41) and L type left socle (42) all is hinged on the framework (4), described right connecting rod (31) other end links to each other with preceding cant beam (21) right-hand member, left side connecting rod (32) other end links to each other with back cant beam (22) left end, right pull bar (11) other end of described front bearing box is hinged on the right section of preceding cant beam (21), front bearing box left lever (12) other end is hinged on the left end of preceding cant beam (21), right pull bar (13) other end of rear axle casing is hinged on back cant beam (22) right-hand member, rear axle casing left lever (14) other end is hinged on back cant beam (22) left side section, and cant beam (21) middle-end and back cant beam (22) middle-end all are hinged on the framework (4) before described being somebody's turn to do.
2. radial mechanism of locomotive bogie according to claim 1, it is characterized in that, the equal in length of described front bearing box left lever (12), the right pull bar (11) of front bearing box, the right pull bar (13) of rear axle casing and rear axle casing left lever (14), the length of right connecting rod (31) equals left connecting rod (32), each segment length of L type right support (41) equates that with L type left socle (42) length of preceding cant beam (21) equals back cant beam (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101582711A CN101850776B (en) | 2010-04-28 | 2010-04-28 | Radial mechanism of locomotive bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101582711A CN101850776B (en) | 2010-04-28 | 2010-04-28 | Radial mechanism of locomotive bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101850776A CN101850776A (en) | 2010-10-06 |
| CN101850776B true CN101850776B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101582711A Active CN101850776B (en) | 2010-04-28 | 2010-04-28 | Radial mechanism of locomotive bogie |
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| Country | Link |
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| CN (1) | CN101850776B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027520B (en) * | 2022-05-31 | 2023-05-02 | 中车株洲电力机车有限公司 | Self-guiding radial bogie of railway vehicle and railway vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0258502A1 (en) * | 1986-08-27 | 1988-03-09 | General Motors Corporation | Self-steering railway truck |
| DE4140126A1 (en) * | 1991-12-05 | 1993-06-09 | Abb Henschel Lokomotiven Gmbh, 6800 Mannheim, De | UNDERCARRIAGE FOR RAIL VEHICLES |
| US5603265A (en) * | 1995-03-06 | 1997-02-18 | M-K Rail Corporation | Angled traction rods |
| DE19533263A1 (en) * | 1995-09-08 | 1997-03-13 | Duewag Ag | Bogie for rail vehicles |
| CN1468768A (en) * | 2002-06-14 | 2004-01-21 | 通用汽车公司 | Radial bogie of unit braker mounted on bolster |
| CN1468769A (en) * | 2002-06-14 | 2004-01-21 | Radial truck device | |
| CN201646755U (en) * | 2010-04-28 | 2010-11-24 | 南车株洲电力机车有限公司 | Radial mechanism for steering rack of motor vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0911899A (en) * | 1995-06-28 | 1997-01-14 | Toshiba Corp | Triaxial steering bogie for railway rolling stock |
| JP3530003B2 (en) * | 1998-02-23 | 2004-05-24 | 財団法人鉄道総合技術研究所 | Outer rotor motor and outer rotor motor steering bogie |
-
2010
- 2010-04-28 CN CN2010101582711A patent/CN101850776B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0258502A1 (en) * | 1986-08-27 | 1988-03-09 | General Motors Corporation | Self-steering railway truck |
| DE4140126A1 (en) * | 1991-12-05 | 1993-06-09 | Abb Henschel Lokomotiven Gmbh, 6800 Mannheim, De | UNDERCARRIAGE FOR RAIL VEHICLES |
| US5603265A (en) * | 1995-03-06 | 1997-02-18 | M-K Rail Corporation | Angled traction rods |
| DE19533263A1 (en) * | 1995-09-08 | 1997-03-13 | Duewag Ag | Bogie for rail vehicles |
| CN1468768A (en) * | 2002-06-14 | 2004-01-21 | 通用汽车公司 | Radial bogie of unit braker mounted on bolster |
| CN1468769A (en) * | 2002-06-14 | 2004-01-21 | Radial truck device | |
| CN201646755U (en) * | 2010-04-28 | 2010-11-24 | 南车株洲电力机车有限公司 | Radial mechanism for steering rack of motor vehicle |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平11-240450A 1999.09.07 |
| JP特开平9-11899A 1997.01.14 |
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| Publication number | Publication date |
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| CN101850776A (en) | 2010-10-06 |
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