CN109334699B - Traction plate structure of traction coupling device of highway and railway dual-purpose truck - Google Patents
Traction plate structure of traction coupling device of highway and railway dual-purpose truck Download PDFInfo
- Publication number
- CN109334699B CN109334699B CN201811391615.6A CN201811391615A CN109334699B CN 109334699 B CN109334699 B CN 109334699B CN 201811391615 A CN201811391615 A CN 201811391615A CN 109334699 B CN109334699 B CN 109334699B
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- Prior art keywords
- traction plate
- highway
- traction
- railway
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G1/00—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
- B61G1/28—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with vertical bolt or pin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
- B61G7/12—Adjustable coupling bars, e.g. for centralisation purposes
Abstract
The invention discloses a traction plate structure of a highway and railway dual-purpose truck traction connecting device, which is used for connecting a highway and railway dual-purpose semitrailer with a truck bogie, wherein the traction plate is divided into a fixed installation section and a connecting section, the end part of the connecting section of the traction plate is provided with a wedge-shaped connecting guiding profile in the horizontal direction and the vertical direction, the horizontal guiding profile consists of a section of minor arc and two sections of folding lines, the bending point of the folding lines is a traction plate stress shoulder, the vertical guiding profile consists of two symmetrical folding lines and a straight line section, and the whole body is in a V shape which is horizontally placed. The invention can meet the requirements of rapid guiding and centering when the highway and railway semitrailer is connected with the truck bogie by the structural design of the connecting section of the traction plate, thereby realizing rapid connection of the highway and railway semitrailer and the truck bogie, forming a highway and railway special truck and meeting the requirements of high-efficiency transportation of highway and railway intermodal transportation.
Description
Technical Field
The invention belongs to the technical field of railway wagons, and particularly relates to a traction plate structure of a traction coupling device of a highway and railway wagon.
Background
The multi-mode intermodal transportation can fully exert the overall advantages and the combined efficiency of various transportation modes, reduces the loading and unloading times of cargoes in different transportation modes by fast transporting the transportation units, provides seamless 'door-to-door' service for a cargo owner, and represents the development direction of comprehensive transportation. The special truck for highway and railway uses the special bogie as a platform and is carried with the semi-trailer for highway and railway to form a railway transportation unit, so that the quick conversion of the transportation modes of highway and railway is realized.
The special highway-railway truck consists of a semitrailer and two special bogies, and compared with container piggyback transportation and semitrailer piggyback transportation, the special highway-railway truck cancels a railway truck body, so that a device capable of quickly connecting the semitrailer and the special bogies is required to be developed, and the running requirement of the special highway-railway truck under the railway working condition is met.
In the device for connecting the highway and railway dual-purpose semitrailer and the special bogie, the traction plate is an important part for connection, and when the traction plate is connected, the traction plate is required to have good guiding and centering functions so as to meet the requirements of quick and accurate connection, ensure that the longitudinal force is coaxially transmitted in the horizontal direction and the height direction of the connecting section of the traction plate and the connecting box, and avoid generating additional moment. In addition, the railway working condition operation of the highway and railway dual-purpose freight car needs to meet the degree of freedom of nodding, head shaking and side rolling of the railway freight car and the bogie operation, and the bogie is restrained from snaking, otherwise, the railway freight car cannot meet the safety requirement of the normal operation speed.
When the highway-railway semitrailer is used as the highway semitrailer, the height of the traction pin seat plate of the highway-railway semitrailer from the ground is required to meet the requirement of highway drop-off transportation, so that the longitudinal force transmission is in a height difference when the highway-railway semitrailer is connected with the special bogie, and measures are taken to bear additional bending moment.
Disclosure of Invention
The invention aims to solve the problems, and provides a traction plate structure of a highway and railway truck traction connection device, which can realize the rapid connection of a highway and railway semitrailer and a special bogie so as to meet the high-efficiency transportation requirement of highway and railway intermodal transportation.
The invention is realized by adopting the following technical scheme: the utility model provides a highway and railway dual-purpose freight train pulls traction plate structure who links device of hanging which characterized in that: the traction plate is used for connecting the road-railway dual-purpose semitrailer and the truck bogie, the traction plate is divided into a fixed installation section and a connecting section, the end part of the connecting section of the traction plate is provided with a wedge-shaped connecting guiding profile in the horizontal direction and the vertical direction, the horizontal direction guiding profile consists of a section of minor arc and two sections of folding lines, the bending point of the folding lines is a traction plate stress shoulder, the vertical direction guiding profile consists of two sections of symmetrical folding lines and a straight line section, and the whole body is in a V shape which is horizontally placed.
The invention relates to a traction plate structure of a traction coupling device of a highway and railway dual-purpose truck, wherein a chamfer is arranged at the transverse section of a stress shoulder of a traction plate of the traction plate.
The invention relates to a traction plate structure of a traction coupling device of a highway and railway dual-purpose truck, which is characterized in that a hump structure is arranged on a fixed mounting section of the traction plate.
The invention relates to a traction plate structure of a traction coupling device of a highway and railway dual-purpose truck, wherein a connecting section of a traction plate is connected with a connecting box of the traction coupling device, a fixed mounting section of the traction plate is connected with a truck bogie frame, and the connecting box is mounted on an end beam of a highway and railway dual-purpose semi-trailer.
The horizontal section of the connecting box is provided with a V-shaped guiding profile which is matched and connected with the connecting section of the traction plate in the horizontal direction, the inner walls of the two sides of the connecting box are symmetrically provided with abrasion plates, the traction plate stress shoulders of the traction plate are contacted with the abrasion plates on the V-shaped guiding profile of the connecting box, and the connecting box has a swinging degree of freedom relative to the traction plate.
The traction plate structure of the traction coupling device of the highway and railway truck has the advantages that an inlet at the end part of the vertical section of the connecting box is provided with a wedge-shaped guiding profile, a certain gap is reserved between the connecting section of the traction plate and the upper cover plate and the lower cover plate of the connecting box, and the connecting box has a nodding degree of freedom relative to the traction plate.
The invention can meet the requirements of rapid guiding and centering when the highway and railway semitrailer is connected with the truck bogie by the structural design of the connecting section of the traction plate, thereby realizing rapid connection of the highway and railway semitrailer and the truck bogie, forming a highway and railway special truck and meeting the requirements of high-efficiency transportation of highway and railway intermodal transportation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an isometric view of the present invention in a connected state.
FIG. 3 is a front view of FIG. 2
Fig. 4 is an exploded view of fig. 2.
Fig. 5 is a longitudinal cross-sectional view of the traction plate of the present invention.
Fig. 6 is a horizontal cross-sectional view of the present invention along the traction plate.
Fig. 7 is a transverse cross-sectional view of the present invention taken along the traction plate's force-bearing shoulder.
The marks in the figure: 1 is a traction plate, 1.1 is a mounting hole, 1.2 is a horizontal direction guiding profile, 1.3 is a traction plate stress shoulder, 1.4 is a vertical direction guiding profile, 1.5 is a chamfer angle, 1.6 is a hump structure, 2 is a connecting box, 2.1 is a connecting pin hole, 2.2 is a wearing plate, 2.3 is a wedge-shaped guiding profile, 2.4 is a V-shaped guiding profile, 3 is a spherical hinge, 3.1 is a spherical core, 3.2 is an outer spherical sleeve, 3.2.1 is a blocking shoulder, 4 is a connecting pin, 5 is an elastic guiding sleeve, 5.1 is an intermediate elastomer, 5.2 is an inner and outer steel sleeve, 6 is a truck bogie frame, and 7 is a highway and railway semitrailer end beam.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present technology will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, 5 and 6, a traction plate structure of a highway and railway dual-purpose truck traction coupling device, the traction plate 1 is used for connecting a highway and railway dual-purpose semitrailer and a truck bogie, the traction plate 1 is divided into a fixed mounting section and a coupling section, the end part of the coupling section of the traction plate 1 is provided with wedge-shaped coupling guide profiles in the horizontal direction and the vertical direction, the horizontal direction guide profile 1.2 consists of a minor arc and two folding lines, the bending point of the folding lines is a traction plate stress shoulder 1.3, the vertical direction guide profile 1.4 consists of two symmetrical folding lines and a straight line, the whole is in a V shape which is horizontally placed, the coupling section of the traction plate 1 is connected with a coupling box 2 of the traction coupling device, the fixed mounting section of the traction plate 1 is connected with the truck bogie frame 6, and the coupling box 2 is mounted on a highway and railway dual-purpose semitrailer end beam 7. When the traction plate is in continuous hanging, the continuous hanging section of the traction plate and the connecting box can be automatically centered, so that the longitudinal force is ensured to be transmitted coaxially in the horizontal direction and the height direction of the continuous hanging section of the traction plate and the connecting box, and the generation of additional moment is avoided.
As shown in fig. 7, a chamfer angle 1.5 is arranged at the cross section of the traction plate stress shoulder 1.3 of the traction plate 1, and the connecting box 2 has a side rolling degree of freedom relative to the traction plate 1 so as to adapt to unsmooth and gentle curve superelevation of a railway running line and meet the requirement of safe running of railway working conditions of a railway intermodal freight car.
As shown in fig. 1, a hump structure 1.6 is arranged on the fixed mounting section of the traction plate 1, so that the additional bending moment generated by the height difference of longitudinal force transmission when the highway and railway semitrailer is connected with the truck bogie can be born, and the running safety of a vehicle is ensured.
As shown in fig. 1-4, a mounting hole 1.1 is formed in the connecting section of the traction plate 1, a spherical hinge 3 is embedded in the mounting hole 1.1, the spherical hinge 3 is arranged between a connecting pin 4 and the mounting hole 1.1, an elastic guide sleeve 5 is arranged on a truck bogie frame 6, a connecting box 2 is arranged in the middle of a highway and railway semitrailer end beam 7, a connecting pin hole 2.1 penetrating through the upper cover plate and the lower cover plate of the connecting box 2 is formed, the connecting section of the traction plate 1 is inserted into the connecting box 2, and the connecting pin 4 sequentially penetrates through the elastic guide sleeve 5, the traction plate 1 and the pin hole of the connecting box 2 from bottom to top to finish the connecting of the highway and railway semitrailer and the truck bogie.
As shown in fig. 6, the horizontal section of the connecting box 2 is provided with a V-shaped guiding profile 2.4 which is matched and connected with the connecting section of the traction plate 1 in the horizontal direction, the inner walls of the two sides of the connecting box 2 are symmetrically provided with wearing plates 2.2, the traction plate stress shoulders 1.3 of the traction plate 1 are contacted with the wearing plates 2.2 on the V-shaped guiding profile 2.4 of the connecting box 2, and the connecting box 2 has a swinging degree of freedom relative to the traction plate 1 so as to adapt to unsmooth and gentle curve superelevation of a railway running line and meet the requirement of railway working condition safe running of a special freight car for combined transportation of the public roads.
As shown in fig. 5, the entrance of the end of the vertical section of the connecting box 2 is provided with a wedge-shaped guiding profile 2.3, a certain gap is reserved between the connecting section of the traction plate 1 and the upper cover plate and the lower cover plate of the connecting box 2, and the connecting box 2 has a nodding degree of freedom relative to the mounting hole 1.1 of the traction plate 1 so as to adapt to the unsmooth and gentle curve superelevation of a railway running line and meet the requirement of safe running of the railway working condition of the special freight car for the highway and railway intermodal transportation.
As shown in fig. 4, 5 and 7, the spherical hinge 3 is composed of a spherical core 3.1 and a split outer spherical sleeve 3.2, a pin hole is arranged on the spherical core 3.1, a shoulder 3.2.1 is arranged on the upper end surface and the lower end surface of the outer spherical sleeve 3.2, a gap is arranged between the spherical core 3.1 and the outer spherical sleeve 3.2, and the spherical core 3.1 has a swinging degree of freedom and a limited side rolling degree of freedom and a limited nodding degree of freedom relative to the outer spherical sleeve 3.2, so that the pin hole is prevented from excessively rotating.
The two ends of the highway and railway semitrailer are respectively connected with corresponding truck bogies to form a highway and railway semitrailer, the spherical hinges 3 of the connecting devices at the two ends of the highway and railway semitrailer enable the highway and railway semitrailer frame to be two-force rods, the longitudinal direction of the highway and railway semitrailer frame is always connected along the connecting points, so that the highway and railway semitrailer frame is kept horizontal, the negative influence of vertical component force generated by the inclination of the vehicle body on the wheel weight is improved, the nodding degree of freedom of the frame and the bogies is released, and the connecting pin 4 only bears shearing force but not bending moment.
As shown in fig. 5, the elastic guide sleeve 5 is composed of an intermediate elastic body 5.1 and an inner steel sleeve 5.2, the elastic guide sleeve 5 is installed in a mounting hole of a truck bogie frame 6, the elastic guide sleeve 5 is used for restraining the connecting pin 4 to move up and down only vertically relative to the truck bogie, and when the connecting pin 4, the ball core 3.1 and the connecting box 2 roll together relative to the traction plate 1, the connecting pin 4 can move freely around the ball core 3.1.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The utility model provides a highway and railway dual-purpose freight train pulls traction plate structure who links device of hanging which characterized in that: the traction plate (1) is used for connecting a highway and railway semitrailer and a truck bogie, the traction plate (1) is divided into a fixed installation section and a connecting section, the end part of the connecting section of the traction plate (1) is provided with a wedge-shaped connecting guide profile in the horizontal direction and the vertical direction, the horizontal direction guide profile (1.2) consists of a minor arc and two sections of folding lines, the bending point of the folding lines is a traction plate stress shoulder (1.3), the vertical direction guide profile (1.4) consists of two symmetrical folding lines and a straight line section, and the whole body is in a V shape which is horizontally placed; the connecting section of the traction plate (1) is connected with a connecting box (2) of the traction connecting and hanging device, the fixed mounting section of the traction plate (1) is connected with a truck bogie frame (6), and the connecting box (2) is mounted on an end beam (7) of the highway-railway semitrailer;
the horizontal section of link case (2) has V-arrangement direction profile (2.4) that link with link section horizontal direction cooperation of traction plate (1), wearing plate (2.2) are installed to the both sides inner wall symmetry of link case (2), traction plate atress shoulder (1.3) of traction plate (1) and wearing plate (2.2) contact on V-arrangement direction profile (2.4) of link case (2), link case (2) have degree of freedom of shaking head for traction plate (1).
2. The traction plate structure of the traction hitch of the highway and railway truck according to claim 1, wherein: a chamfer angle (1.5) is arranged at the transverse section of a traction plate stress shoulder (1.3) of the traction plate (1).
3. The traction plate structure of the traction hitch of the highway and railway truck according to claim 1, wherein: a hump structure (1.6) is arranged on the fixed mounting section of the traction plate (1).
4. The traction plate structure of the traction hitch of the highway and railway truck according to claim 1, wherein: the vertical section end inlet of the connecting box (2) is provided with a wedge-shaped guiding profile (2.3), a certain gap is reserved between the connecting section of the traction plate (1) and the upper cover plate and the lower cover plate of the connecting box (2), and the connecting box (2) has a nodical degree of freedom relative to the traction plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391615.6A CN109334699B (en) | 2018-11-21 | 2018-11-21 | Traction plate structure of traction coupling device of highway and railway dual-purpose truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391615.6A CN109334699B (en) | 2018-11-21 | 2018-11-21 | Traction plate structure of traction coupling device of highway and railway dual-purpose truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334699A CN109334699A (en) | 2019-02-15 |
| CN109334699B true CN109334699B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811391615.6A Active CN109334699B (en) | 2018-11-21 | 2018-11-21 | Traction plate structure of traction coupling device of highway and railway dual-purpose truck |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758032B (en) * | 2019-12-04 | 2023-04-11 | 中车眉山车辆有限公司 | Highway-railway dual-purpose transport vehicle set and marshalling method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333576A (en) * | 1978-11-06 | 1982-06-08 | Amsted Industries Incorporated | Carrier assembly for use with a rotary railroad coupler system |
| US4361342A (en) * | 1980-09-29 | 1982-11-30 | Duffield Melvern L | Tow hitch assembly |
| FR2612864A1 (en) * | 1987-03-24 | 1988-09-30 | Seg | Forecarriage for a lorry trailer |
| US5096075A (en) * | 1989-05-17 | 1992-03-17 | Mcconway & Torley Corporation | Slackless drawbar with gravity responsive wedge |
| WO1992019481A1 (en) * | 1991-04-29 | 1992-11-12 | Abb Henschel | Detachable headstock for railway goods waggons |
| CN201151429Y (en) * | 2007-12-19 | 2008-11-19 | 中国国际海运集装箱(集团)股份有限公司 | Semi-trailer drawing plate and semi-trailer |
| EP2193940A1 (en) * | 2008-12-04 | 2010-06-09 | MVG Metallverarbeitungsgesellschaft mbH | Tow bar and coupling ball bar of same |
| CN202641727U (en) * | 2012-04-13 | 2013-01-02 | 南车长江车辆有限公司 | Vehicle draft gear for production process |
| CN104986176A (en) * | 2015-07-29 | 2015-10-21 | 齐齐哈尔轨道交通装备有限责任公司 | A railway vehicle and a joint connector thereof |
| CN204801813U (en) * | 2015-07-29 | 2015-11-25 | 齐齐哈尔轨道交通装备有限责任公司 | Rail vehicle and concave joint of joint connector thereof |
| DE102015115470A1 (en) * | 2014-09-17 | 2016-03-17 | Thomas Klos | REMOVABLE TRAILER ATTACHMENT |
| CN205113354U (en) * | 2015-07-29 | 2016-03-30 | 齐齐哈尔轨道交通装备有限责任公司 | Joint connector and slave plate and supporting shoe thereof |
| CN105437892A (en) * | 2015-12-22 | 2016-03-30 | 常州市瑞泰工程机械有限公司 | Traction device of road-railer |
| CN206589898U (en) * | 2017-03-24 | 2017-10-27 | 中车眉山车辆有限公司 | A kind of vehicle draw beam |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPP923299A0 (en) * | 1999-03-16 | 1999-04-15 | Air-Ride (S.A.) Pty Ltd | Improved coupling arrangement for train of highway trailers |
| US20090121452A1 (en) * | 2007-11-13 | 2009-05-14 | Zilm William M | Extension Coupling With Angle Adjusting Retainer For Use With Trailers |
| CN104960541B (en) * | 2015-07-29 | 2018-01-12 | 中车齐齐哈尔车辆有限公司 | Rolling stock and its joint connector |
-
2018
- 2018-11-21 CN CN201811391615.6A patent/CN109334699B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333576A (en) * | 1978-11-06 | 1982-06-08 | Amsted Industries Incorporated | Carrier assembly for use with a rotary railroad coupler system |
| US4361342A (en) * | 1980-09-29 | 1982-11-30 | Duffield Melvern L | Tow hitch assembly |
| FR2612864A1 (en) * | 1987-03-24 | 1988-09-30 | Seg | Forecarriage for a lorry trailer |
| US5096075A (en) * | 1989-05-17 | 1992-03-17 | Mcconway & Torley Corporation | Slackless drawbar with gravity responsive wedge |
| WO1992019481A1 (en) * | 1991-04-29 | 1992-11-12 | Abb Henschel | Detachable headstock for railway goods waggons |
| CN201151429Y (en) * | 2007-12-19 | 2008-11-19 | 中国国际海运集装箱(集团)股份有限公司 | Semi-trailer drawing plate and semi-trailer |
| EP2193940A1 (en) * | 2008-12-04 | 2010-06-09 | MVG Metallverarbeitungsgesellschaft mbH | Tow bar and coupling ball bar of same |
| CN202641727U (en) * | 2012-04-13 | 2013-01-02 | 南车长江车辆有限公司 | Vehicle draft gear for production process |
| DE102015115470A1 (en) * | 2014-09-17 | 2016-03-17 | Thomas Klos | REMOVABLE TRAILER ATTACHMENT |
| CN104986176A (en) * | 2015-07-29 | 2015-10-21 | 齐齐哈尔轨道交通装备有限责任公司 | A railway vehicle and a joint connector thereof |
| CN204801813U (en) * | 2015-07-29 | 2015-11-25 | 齐齐哈尔轨道交通装备有限责任公司 | Rail vehicle and concave joint of joint connector thereof |
| CN205113354U (en) * | 2015-07-29 | 2016-03-30 | 齐齐哈尔轨道交通装备有限责任公司 | Joint connector and slave plate and supporting shoe thereof |
| CN105437892A (en) * | 2015-12-22 | 2016-03-30 | 常州市瑞泰工程机械有限公司 | Traction device of road-railer |
| CN206589898U (en) * | 2017-03-24 | 2017-10-27 | 中车眉山车辆有限公司 | A kind of vehicle draw beam |
Non-Patent Citations (3)
| Title |
|---|
| 半挂车牵引板结构优化与疲劳试验;刘正道;《工程科技Ⅱ辑》(第05期);第C035-70页 * |
| 汽车列车牵引座型式及牵引销标准;于永成;;交通标准化(02);第19-22页 * |
| 郎有利.《专用汽车维修》.人民交通出版社,1999,(第1版),第404-412页. * |
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