CN111845833B - Emergency connecting device for railway wagon and mounting structure thereof - Google Patents
Emergency connecting device for railway wagon and mounting structure thereof Download PDFInfo
- Publication number
- CN111845833B CN111845833B CN202010654001.3A CN202010654001A CN111845833B CN 111845833 B CN111845833 B CN 111845833B CN 202010654001 A CN202010654001 A CN 202010654001A CN 111845833 B CN111845833 B CN 111845833B
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- CN
- China
- Prior art keywords
- emergency
- fastener
- end part
- ring
- chain
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
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- 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
- B61G1/36—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with shackles and hooks, e.g. specially adapted for mine cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/14—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an emergency connecting device for a railway wagon, which comprises a fastener, a flexible connecting piece and a traction hook, wherein the fastener is used for connecting the end part of the wagon, a buffer spring is arranged at the joint of the fastener and the end part of the wagon, and a connecting hole is formed in one end of the fastener, which is far away from the end part of the wagon; the first end of the flexible connecting piece is connected with the connecting hole of the fastener, and a fixing ring is arranged at or near the end part of the first end; the second end of the flexible connecting piece is provided with a hanging ring; the tail mounting hole of the traction hook is sleeved in the fixing ring, and the hook-shaped head of the traction hook can be hung in the hanging ring of the other emergency connecting device. The invention also provides an installation structure of the emergency connecting device, the four emergency connecting devices are arranged on the left and right of the main connecting device in two groups, and when the coupler or the traction rod connecting device fails, the end emergency connecting device can play a role in temporarily connecting and towing a vehicle.
Description
Technical Field
The invention relates to a railway wagon, in particular to an emergency connecting device of the railway wagon and a mounting structure of the emergency connecting device.
Background
Railway freight car vehicles are generally connected by a coupling device such as a coupler or drawbar (referred to as a main coupling device for convenience of distinction in the present invention) to link traction or receive compression between two cars. In actual work, the main connecting device may cause connection failure between vehicles due to factors such as materials, lines, human factors and the like, so that traction between the vehicles is lost, other trains needing to pass through the lines are influenced, and even accidents are caused. It is therefore necessary to provide a safety coupling which serves to temporarily couple the vehicle and to tow it in the event of failure of the coupler or drawbar coupling.
Chinese patent document CN101121412A discloses a safety chain mechanism for a railway wagon coupler, which is characterized in that a seat plate is fixed below the end part of a railway wagon traction beam, an upper baffle and a lower baffle are assembled and welded on the seat plate, and a front baffle is assembled and welded in front of the upper baffle and the lower baffle to form a safety chain seat; a support hole is formed in the front baffle plate, the front baffle plate penetrates through a buffer rod body through the support hole and is positioned in the safety chain seat, and a buffer spring and a movable stop block are sleeved on the buffer rod body in the safety chain seat; the other end of the buffer rod body is a buffer rod head, the end part of the buffer rod head is provided with a connecting hole, a chain ring is connected through the connecting hole, and the chain ring is connected with the hook head. The safety hook chain mechanism can provide emergency protection measures for a coupler of a traction train when necessary, and the train running safety is guaranteed. But it adopts single chain structure, and intensity is lower, has the possibility of disconnection inefficacy, and it passes through the bedplate and connects the freight train simultaneously, and the dismouting is inconvenient.
Disclosure of Invention
The invention aims to provide a safe and reliable emergency connection device of a railway wagon and an installation structure thereof.
In order to achieve the purpose, the emergency connecting device for the railway wagon comprises a fastening piece, a flexible connecting piece and a traction hook, wherein the fastening piece is used for connecting the end part of the wagon, a buffer spring is arranged at the joint of the fastening piece and the end part of the wagon, and a connecting hole is formed in one end, far away from the end part of the wagon, of the fastening piece; the first end of the flexible connecting piece is connected with a connecting hole of the fastener, and a fixing ring is arranged at or near the end part of the first end; a hanging ring is arranged at or near the second end part of the flexible connecting piece; the tail mounting hole of the traction hook is sleeved in the fixing ring, and the hook-shaped head of the traction hook can be hung in the hanging ring of the other emergency connecting device.
Preferably, the fastener is a sheep eye type bolt, and the sheep eye type bolt comprises a screw, a special nut, a nut and a washer; the connecting hole is formed in the end portion of the special nut.
Further, the cross section of the special nut is oblate.
Further, the end of the screw is provided with a pin hole and a cotter pin for preventing the nut from loosening.
Preferably, the buffer spring is a truncated cone scroll buffer spring.
Preferably, the flexible connecting element is a round-link chain with a plurality of links, a link at the first end of the round-link chain is connected with the connecting hole of the fastener, a link at or near the first end of the round-link chain is used as the fixing ring, and a link at or near the second end of the round-link chain is used as the hanging ring.
Further, the fixed ring is a second section chain ring located from the first end of the round-link chain.
Furthermore, the fixing ring is a triangular chain ring, two angles of the fixing ring are respectively connected with chain rings on two sides, and the third angle is connected with a tail mounting hole of the traction hook.
Further, the material elongation of the chain link is not less than 24%.
Preferably, the flexible connecting piece adopts a steel wire rope, two ends of the steel wire rope are respectively wound into lantern rings, one lantern ring is connected with the connecting hole of the fastener and serves as the fixing ring to be connected with the tail mounting hole of the towing hook, and the other lantern ring serves as the hanging ring.
The invention also provides an installation structure of the railway wagon emergency connecting device, which comprises four emergency connecting devices arranged between two adjacent vehicles; the four emergency connecting devices are divided into two groups and are respectively positioned on one side of the main connecting devices of two adjacent vehicles; the two emergency connecting devices in each group are respectively installed at the fastener installation hole at the end part of one vehicle through the fasteners contained in the emergency connecting devices, and meanwhile, the respective traction hooks are respectively hooked on the hooking rings of the other vehicle.
Preferably, the end part of the truck is a truck body end beam, and an end beam reinforcing rib plate and an end beam lower reinforcing plate are arranged on the inner side of the truck body end beam to reinforce the joint.
Compared with the prior art, the invention has the beneficial effects that:
1) this emergency connection device adopts and articulates the design mutually in pairs emergency connection device, forms dual connection structure, has improved joint strength and reliability.
2) The ends of the two vehicles are arranged on the left side and the right side of the main connecting device in two groups through four emergency connecting devices, and when the vehicle coupler or the traction rod connecting device fails, the end emergency connecting devices can play a role in temporarily connecting the vehicles and drawing.
3) The invention has simple structure, convenient installation, safety and reliability, and can play a role in quick rescue and reducing the risk of railway line blockage.
Drawings
Fig. 1 is a schematic structural diagram of a railway wagon emergency connection device (chain link type) designed in embodiment 1 of the invention.
Fig. 2 is an exploded view of the emergency connection device of the railway wagon of fig. 1.
Fig. 3 is a schematic structural view of a railway wagon emergency connection device (wire rope type) designed in embodiment 2 of the present invention.
Fig. 4 and 5 are schematic views of the mounting structure of the emergency connecting device of the railway freight car in fig. 1 on the end beam of the car body.
Fig. 6 is a schematic structural view showing two emergency connection devices of the railway freight car shown in fig. 1 being hooked with each other.
Fig. 7 is a schematic view of four of the railway freight car emergency connections of fig. 1 connected between two cars.
Wherein: the end beam 100 of the car body, the reinforcing rib plate 110 of the end beam, the lower reinforcing plate 120 of the end beam, the fastener mounting hole 130, the main connecting device 140, the fastener 200, the buffer spring 210, the special nut 220, the connecting hole 221, the screw 230, the nut 240, the washer 250, the pin hole 260, the split pin 270, the flexible connecting piece 300, the fixing ring 310, the hanging ring 320, the steel wire rope 330, the lantern ring 331, the round link chain 340, the chain ring 341, the towing hook 400, the tail mounting hole 410, the hook-shaped head 420
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
Example 1
As shown in FIGS. 1-2, the emergency connection device for rail wagons and the mounting structure thereof according to the present invention comprise a fastening member 200, a flexible connection member 300 and a towing hook 400. Wherein:
the fastener 200 is used for connecting the end part of the truck, a buffer spring 210 is arranged at the joint of the fastener and the end part of the truck, and a connecting hole 221 is arranged at one end of the fastener far away from the end part of the truck.
The first end of the flexible connecting member 300 is connected to the connecting hole 221 of the fastening member 200, and the end portion or the vicinity thereof is provided with a fixing ring 310; a hitching ring 320 is provided at or near the second end of the flexible connecting member 300. The rear mounting hole 410 of the towing hook 400 is fitted in the fixing ring 310, and the hook head 420 thereof can be hooked in the hooking ring 320 of another emergency connection device.
The buffer spring 210 is used to buffer the impact generated at the moment of failure of the main connection device 140, and in this embodiment, a truncated cone scroll buffer spring 210 is used. The truncated cone volute spring is mainly characterized by small volume, large load and variable rigidity, and is suitable for the actual requirements of small space, large load and vibration damping and buffering of a railway wagon.
The fastener 200 is a sheep eye type bolt, which includes a screw 230, a special nut 220, a nut 240 and a washer 250. The end of the special nut 220 is provided with a connecting hole 221. The cross-section of the tailored nut 220 is oblate. The end of the screw 230 is provided with a pin hole 260 and a cotter pin 270 for preventing the nut 240 from being loosened. The sheep eye type bolt is preferably made of forged pieces, can also be made of cast pieces, and is not allowed to be cut and formed by steel plates.
The flexible coupling 300 uses a round link chain 340 having a plurality of link rings 341, and starting from a first end portion thereof, a first link ring 341 is connected to the coupling hole 221 of the fastener 200, a second link ring 341 is used as the fixed ring 310, and a last link ring 341 is used as the hanging ring 320. For the convenience of connection, the link as the fixing ring 310 is an equilateral triangular link, two corners of which are connected to the links 341 on both sides, respectively, and a third corner of which is connected to the tail mounting hole 410 of the towing hook 400.
The first link 341 at the first end of the round-link chain 340 is connected into the eyelet of the sheep eye type bolt before sealing and welding, and then welded, and the second link 341 (triangular link) is connected into the first link 341, the third link 341 and the towing hook 400 before sealing and welding. The size and number of the links 341 can be adjusted according to the number of the safety chain, and 9 links 341 (including the triangular links) are prepared in the embodiment.
Example 2
As shown in fig. 3, the emergency connection device for rail wagons according to the present embodiment uses a steel cable as the flexible connection member 300, two ends of the steel cable 330 are respectively wound into loops 331 (fixed by a cable clip), one of the loops 331 is connected to the connection hole 221 of the fastening member 200 and is used as the fixing ring 310 to be connected to the tail mounting hole 410 of the towing hook 400, and the other loop 331 is used as the hanging ring 320.
The rest is the same as in example 1.
Example 3
As shown in fig. 4 to 7, the present embodiment provides an installation structure of an emergency connection device for a railway freight car in embodiment 1, including four emergency connection devices disposed between two adjacent cars. The four emergency connections are divided into two groups, one on each side of the main connection 140 of two adjacent vehicles. The two emergency connection devices of each group are respectively installed at the reserved fastener installation holes 130 of the end beam 100 of one vehicle body through the included fasteners 200, and the respective towing hooks 400 are respectively hooked on the hooking rings 320 of the other group. The specific installation steps of the fastener 200 are as follows: after the screw 230 of the eye bolt passes through the fastener mounting hole 130, the buffer spring 210 is sleeved on the vehicle inner side, the washer 250 is mounted, the nut 240 is fastened, and finally the cotter pin 270 is mounted in the pin hole 260 and split. To ensure that the emergency connection device is reliably mounted on the end of the vehicle, the frustoconical-scroll buffer spring 210 should apply a certain pre-tightening force through the fastening nut 240.
The inner side of the end beam 100 of the train body is provided with an end beam reinforcing rib plate 110 and an end beam lower reinforcing plate 120, so that the joint is reinforced, and the traction force requirement of a traction train is met.
The emergency connecting device for a railway wagon in embodiment 2 is not different from the embodiment, and the embodiment can be referred to.
Claims (8)
1. The utility model provides a railway freight car emergency connection device which characterized in that: the flexible connecting device comprises a fastener (200), a flexible connecting piece (300) and a traction hook (400), wherein the fastener (200) is used for connecting the end part of a truck, a buffer spring (210) is arranged at the joint of the fastener (200) and the end part of the truck, and a connecting hole (221) is formed in one end, far away from the end part of the truck, of the fastener; the first end of the flexible connecting piece (300) is connected with a connecting hole (221) of a fastener (200), and a fixing ring (310) is arranged at or near the end part of the first end; a hanging ring (320) is arranged at or near the second end part of the flexible connecting piece (300); the tail mounting hole (410) of the traction hook (400) is sleeved in the fixing ring (310), and the hook-shaped head (420) of the traction hook can be hung in a hanging ring (320) of another emergency connecting device;
the flexible connecting piece (300) adopts a round-link chain (340) with a plurality of chain links (341), a chain link (341) at the first end part is connected with a connecting hole (221) of a fastener (200), a chain link (341) at or near the first end part is used as the fixed ring (310), and a chain link (341) at or near the second end part is used as the hanging ring (320); or:
the flexible connecting piece (300) adopts a steel wire rope (330), two ends of the steel wire rope are respectively wound into lantern rings (331), one lantern ring (331) is connected with a connecting hole (221) of the fastener (200) and serves as the fixing ring (310), and the other lantern ring (331) serves as the hanging ring (320).
2. A railway wagon emergency connection device as claimed in claim 1, wherein: the fastener (200) adopts a sheep eye type bolt, and the sheep eye type bolt comprises a screw rod (230), a special nut (220), a nut (240) and a washer (250); the end part of the special nut (220) is provided with the connecting hole (221).
3. A railway wagon emergency connection device as claimed in claim 2, wherein: the cross section of the special nut (220) is oblate; the end of the screw rod (230) is provided with a pin hole (260) and a split pin (270) for preventing the nut (240) from loosening.
4. A railway wagon emergency connection device as claimed in any one of claims 1 to 3, wherein: the buffer spring (210) adopts a truncated cone scroll buffer spring (210).
5. A railway wagon emergency connection device as claimed in claim 1, wherein: the fixed ring (310) is a second chain ring (341) located from the first end of the round-link chain (340).
6. A railway wagon emergency connection device as claimed in claim 2, wherein: the fixing ring (310) is a triangular chain ring, two angles of the fixing ring are respectively connected with chain rings (341) at two sides, and the third angle is connected with a tail mounting hole (410) of the traction hook (400).
7. A mounting structure of an emergency connecting device of a railway wagon as claimed in any one of claims 1 to 6, wherein: comprises four emergency connection devices arranged between two adjacent vehicles; the four emergency connections are divided into two groups and are respectively positioned on one side of the main connections (140) of two adjacent vehicles; two emergency connection devices in each group are respectively installed at a fastener installation hole (130) at the end part of one vehicle through the contained fasteners (200), and meanwhile, the respective traction hooks (400) are respectively hooked on the hooking rings (320) of the other vehicle.
8. A mounting structure of an emergency connecting device of a railway wagon as claimed in claim 7, wherein: the end part of the truck is a truck body end beam (100), and an end beam reinforcing rib plate (110) and an end beam lower reinforcing plate (120) are arranged on the inner side of the truck body end beam to reinforce the joint.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654001.3A CN111845833B (en) | 2020-07-08 | 2020-07-08 | Emergency connecting device for railway wagon and mounting structure thereof |
| PCT/CN2021/110187 WO2022007975A1 (en) | 2020-07-08 | 2021-08-03 | Railway freight car emergency connection device and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654001.3A CN111845833B (en) | 2020-07-08 | 2020-07-08 | Emergency connecting device for railway wagon and mounting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111845833A CN111845833A (en) | 2020-10-30 |
| CN111845833B true CN111845833B (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010654001.3A Active CN111845833B (en) | 2020-07-08 | 2020-07-08 | Emergency connecting device for railway wagon and mounting structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111845833B (en) |
| WO (1) | WO2022007975A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845833B (en) * | 2020-07-08 | 2021-11-12 | 中车长江车辆有限公司 | Emergency connecting device for railway wagon and mounting structure thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US113608A (en) * | 1871-04-11 | Improvement in buffer-heads and draw-bars for railway-cars | ||
| GB191305790A (en) * | 1913-03-08 | 1913-12-04 | Robert Smellie | Improvements in Wagon and like Couplings. |
| GB228620A (en) * | 1923-11-07 | 1925-02-09 | Oswald Bond | Improved coupling and drawgear for side and end tip wagons |
| SU25181A1 (en) * | 1930-04-03 | 1932-02-29 | А.Г. Большаков | Automatic Railway Coupler |
| ES277516U (en) * | 1984-02-14 | 1984-11-16 | Diaz Hernandez Eduardo | Engagement of drive machines with wagons or driving elements (Machine-translation by Google Translate, not legally binding) |
| CN101121412A (en) * | 2007-09-25 | 2008-02-13 | 中国南车集团眉山车辆厂 | Railway goods train hook safety hook-chain mechanism |
| CN105151064A (en) * | 2015-10-26 | 2015-12-16 | 南车南京浦镇车辆有限公司 | Railway vehicle chassis end structure |
| CN107380195A (en) * | 2017-08-02 | 2017-11-24 | 苏州中车轨道交通车辆有限公司 | Flexibility height adjustable transition car coupler used for rail vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845833B (en) * | 2020-07-08 | 2021-11-12 | 中车长江车辆有限公司 | Emergency connecting device for railway wagon and mounting structure thereof |
-
2020
- 2020-07-08 CN CN202010654001.3A patent/CN111845833B/en active Active
-
2021
- 2021-08-03 WO PCT/CN2021/110187 patent/WO2022007975A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US113608A (en) * | 1871-04-11 | Improvement in buffer-heads and draw-bars for railway-cars | ||
| GB191305790A (en) * | 1913-03-08 | 1913-12-04 | Robert Smellie | Improvements in Wagon and like Couplings. |
| GB228620A (en) * | 1923-11-07 | 1925-02-09 | Oswald Bond | Improved coupling and drawgear for side and end tip wagons |
| SU25181A1 (en) * | 1930-04-03 | 1932-02-29 | А.Г. Большаков | Automatic Railway Coupler |
| ES277516U (en) * | 1984-02-14 | 1984-11-16 | Diaz Hernandez Eduardo | Engagement of drive machines with wagons or driving elements (Machine-translation by Google Translate, not legally binding) |
| CN101121412A (en) * | 2007-09-25 | 2008-02-13 | 中国南车集团眉山车辆厂 | Railway goods train hook safety hook-chain mechanism |
| CN105151064A (en) * | 2015-10-26 | 2015-12-16 | 南车南京浦镇车辆有限公司 | Railway vehicle chassis end structure |
| CN107380195A (en) * | 2017-08-02 | 2017-11-24 | 苏州中车轨道交通车辆有限公司 | Flexibility height adjustable transition car coupler used for rail vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022007975A1 (en) | 2022-01-13 |
| CN111845833A (en) | 2020-10-30 |
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Effective date of registration: 20220719 Address after: 430212 Shanhu Road, Daqiao New District, Jiangxia District, Wuhan City, Hubei Province Patentee after: CRRC Changjiang Transport Equipment Group Co.,Ltd. Address before: 430212 Shanhu Road, Daqiao New District, Jiangxia District, Wuhan City, Hubei Province Patentee before: CRRC Yangtze Co.,Ltd. |
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