CN101804819B - Bogie truck radial mechanism of locomotive - Google Patents
Bogie truck radial mechanism of locomotive Download PDFInfo
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- CN101804819B CN101804819B CN2010101582590A CN201010158259A CN101804819B CN 101804819 B CN101804819 B CN 101804819B CN 2010101582590 A CN2010101582590 A CN 2010101582590A CN 201010158259 A CN201010158259 A CN 201010158259A CN 101804819 B CN101804819 B CN 101804819B
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Abstract
The invention discloses a bogie truck radial mechanism of a locomotive and relates to the field of structural design of locomotives. The bogie truck radial mechanism comprises a truss, a bogie truck axle, rotating beams, axle box draw rods, connecting rods and a coupling rod, wherein the front rotating beam is connected with the front bogie truck axle through the front axle box draw rod; the front rotating beam is connected with one end of the coupling rod through the front connecting rod; and the back rotating beam is connected with the other end of the coupling rod through the back connecting rod, thereby realizing the linkage among the wheel sets. When the locomotive passes through a curve, the creeping guiding force moment between the wheeltracks enables the wheel set at the front bogie truck axle to obtain a radial position, and the connection among the rotating beams, the axle box draw rods, the connecting rods and the coupling rod enables the wheel set at the back bogie truck axle to form a flanning shape when passing through the curve, the wheel sets drift towards the radial positions, thereby being beneficial to reducing the attack angle between the wheel rim and the steel rail. The invention can increase the speed of the locomotive passing through the curve by about 20% and reduce the abrasion of the wheel rim.
Description
Technical field
The present invention relates to rolling stock structure design field, be specially a kind of bogie truck radial mechanism of locomotive, 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 bogie truck radial mechanism of locomotive, 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 bogie truck radial mechanism of locomotive, 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 front rod and rear linking rod, connect the coupling bar of front rod rear end and rear linking rod front end; Described front rod front end links to each other with preceding cant beam right-hand member, the rear linking rod rear end links to each other with back cant beam right-hand member, the left end of preceding cant beam and the other end of front bearing box left lever are hinged and connected, the other end of back cant beam left end and rear axle casing left lever is hinged and connected, on the right section of cant beam, the other end of the right pull bar of rear axle casing was hinged on the right section of back cant beam before the other end of the right pull bar of front bearing box was hinged on; Cant beam middle-end, coupling bar 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, preceding cant beam and back cant beam equal in length guarantee 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 coupling bar one end by front rod, back cant beam links to each other with the coupling bar other end by rear linking rod, 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, it is identical that preceding cant beam is made angle by front rod drive coupling bar, the rotation that phase place is identical, it is identical that coupling bar is made angle by rear linking rod drive back cant beam, the rotation that phase place is opposite, back cant beam utilizes the rear axle casing pull bar, the wheel that drives the bogie truck rear axle is right, back cant beam is with respect to the corner of framework size and the bogie truck rear axle corner equal and opposite in direction with respect to framework, and phase place is identical, the wheel of realization 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, thereby 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 adhesive performance of locomotive on curve is 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-front rod; The 32-rear linking rod; 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 4-framework; The 5-coupling bar.
The specific embodiment
A kind of bogie truck radial mechanism of locomotive, 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 front rod 31 and rear linking rod 32, connect the coupling bar 5 of front rod 31 rear ends and rear linking rod 32 front ends; Described front rod 31 front ends link to each other with preceding cant beam 21 right-hand members, rear linking rod 32 rear ends link to each other with back cant beam 22 right-hand members, the left end of preceding cant beam 21 and the other end of front bearing box left lever 12 are hinged and connected, the other end of back cant beam 22 left ends and rear axle casing left lever 14 is hinged and connected, on the right section of cant beam 21, the other end of the right pull bar 13 of rear axle casing was hinged on the right section of back cant beam 22 before the other end of the right pull bar 11 of front bearing box was hinged on; Cant beam 21 middle-ends, coupling bar 5 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, preceding cant beam 21 and back cant beam 22 equal in length guarantee 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, it is identical that preceding cant beam 21 is made angle by front rod drive coupling bar 5, the rotation that phase place is identical, it is identical that coupling bar 5 is made angle by rear linking rod drive back cant beam 22, the rotation that phase place is opposite, back cant beam 22 utilizes rear axle casing pull bar 13, the wheel of 14 drive bogie truck rear axles 3 is right, back cant beam 22 is with respect to the corner of framework 4 size and the bogie truck rear axle 3 corner equal and opposite in direction with respect to framework 4, and phase place is identical, the wheel of realization 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 adhesive performance of rolling stock on the curve, and the curve speedup reaches about 20%.
Claims (2)
1. a kind of bogie truck radial mechanism of locomotive, 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 front rod (31) and rear linking rod (32), connect the coupling bar (5) of front rod (31) rear end and rear linking rod (32) front end; Described front rod (31) front end links to each other with preceding cant beam (21) right-hand member, rear linking rod (32) rear end links to each other with back cant beam (22) right-hand member, the left end of preceding cant beam (21) and the other end of front bearing box left lever (12) are hinged and connected, the other end of back cant beam (22) left end and rear axle casing left lever (14) is hinged and connected, the other end of the right pull bar of front bearing box (11) is hinged on the right section of preceding cant beam (21), and the other end of the right pull bar of rear axle casing (13) is hinged on the right section of back cant beam (22); Cant beam (21) middle-end, coupling bar (5) 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, equal in length, preceding cant beam (21) and back cant beam (22) 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101582590A CN101804819B (en) | 2010-04-28 | 2010-04-28 | Bogie truck radial mechanism of locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101582590A CN101804819B (en) | 2010-04-28 | 2010-04-28 | Bogie truck radial mechanism of locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN101804819A CN101804819A (en) | 2010-08-18 |
| CN101804819B true CN101804819B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101582590A Active CN101804819B (en) | 2010-04-28 | 2010-04-28 | Bogie truck radial mechanism of locomotive |
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| CN (1) | CN101804819B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723157B (en) * | 2014-01-02 | 2017-03-29 | 南车株洲电力机车有限公司 | A kind of three axle radial bogie of locomotive |
| CN104002830A (en) * | 2014-05-30 | 2014-08-27 | 西南交通大学 | Locomotive radial bogie |
| CN108001475A (en) * | 2016-10-31 | 2018-05-08 | 中车大同电力机车有限公司 | A kind of Self-Steering Power Bogie mechanism and railway locomotive steering |
| CN107128323B (en) * | 2017-05-16 | 2019-01-11 | 中车株洲电力机车有限公司 | A kind of torsion bar type radial direction mechanism and bogie, vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0258502A1 (en) * | 1986-08-27 | 1988-03-09 | General Motors Corporation | Self-steering railway truck |
| US5603265A (en) * | 1995-03-06 | 1997-02-18 | M-K Rail Corporation | Angled traction rods |
| CN1468769A (en) * | 2002-06-14 | 2004-01-21 | Radial truck device | |
| CN1468768A (en) * | 2002-06-14 | 2004-01-21 | 通用汽车公司 | Radial bogie of unit braker mounted on bolster |
| CN201670245U (en) * | 2010-04-28 | 2010-12-15 | 南车株洲电力机车有限公司 | Truck radial mechanism of locomotive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN2010101582590A patent/CN101804819B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0258502A1 (en) * | 1986-08-27 | 1988-03-09 | General Motors Corporation | Self-steering railway truck |
| US5603265A (en) * | 1995-03-06 | 1997-02-18 | M-K Rail Corporation | Angled traction rods |
| CN1468769A (en) * | 2002-06-14 | 2004-01-21 | Radial truck device | |
| CN1468768A (en) * | 2002-06-14 | 2004-01-21 | 通用汽车公司 | Radial bogie of unit braker mounted on bolster |
| CN201670245U (en) * | 2010-04-28 | 2010-12-15 | 南车株洲电力机车有限公司 | Truck radial mechanism of locomotive |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-240450A 1999.09.07 |
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| CN101804819A (en) | 2010-08-18 |
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