CN115195808A - Railway safety stop device - Google Patents
Railway safety stop device Download PDFInfo
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- CN115195808A CN115195808A CN202210874312.XA CN202210874312A CN115195808A CN 115195808 A CN115195808 A CN 115195808A CN 202210874312 A CN202210874312 A CN 202210874312A CN 115195808 A CN115195808 A CN 115195808A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/16—Positive railway stops
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Abstract
The invention discloses a railway safety stop device, comprising: a switch machine comprising a linkage rod; a stop assembly comprising a first stop shoe and a second stop shoe; the first stop shoe is arranged at a first steel rail of the railway; the second stopper shoe is disposed at a second rail of the railway; one end of the transmission mechanism is connected with the linkage pull rod, and the other end of the transmission mechanism is sequentially connected with the first stop shoe and the second stop shoe in a rotating manner; the stop controller is in communication connection with the switch machine and is used for controlling the switch machine to drive the first stop shoe and the second stop shoe to rotate; when the first stopping shoe and the second stopping shoe rotate to a first set direction, the first stopping shoe is arranged on the first steel rail, and the second stopping shoe is arranged on the second steel rail to stop. The stopping device improves stopping efficiency, guarantees personal safety of stopping operators and avoids driving accidents.
Description
Technical Field
The application relates to the technical field of railway transportation, in particular to a railway safety stop device.
Background
In a traditional enterprise railway transportation operation mode, when a railway vehicle connected with an inorganic vehicle is in non-operation (such as dumping operation of a tipper, train inspection post and the like), post personnel need to place a wheel stopper or a stop shoe (commonly called as an iron shoe) on a railway rail surface at a specified position of a line where a train is located so as to ensure operation safety. However, the operation mode of manually placing the stop shoes cannot effectively meet the requirement of modern railway transportation management, firstly, when the stop shoes are placed on the spot by post personnel, the post personnel need to hold heavy stop shoes to walk back and forth between railway lines, the labor intensity is high, and the working efficiency is low; secondly, when the post personnel need to pass through the railway for on-site operation, certain personal safety hidden danger exists.
Disclosure of Invention
The invention provides a railway safety stop device, which aims to solve or partially solve the technical problems of low working efficiency and potential personal safety hazards caused by manual stop shoe placement.
In order to solve the above technical problem, the present invention provides a railway safety stop device, comprising:
a switch machine comprising a linkage rod;
a stop assembly comprising a first stop shoe and a second stop shoe; the first stop shoe is arranged at a first steel rail of a railway; the second stopper shoe is disposed at a second rail of the railway;
one end of the transmission mechanism is connected with the linkage pull rod, and the other end of the transmission mechanism is sequentially in rotating connection with the first stop shoe and the second stop shoe;
the stop controller is in communication connection with the switch machine and is used for controlling the switch machine to drive the first stop shoe and the second stop shoe to rotate; when the first stopping shoe and the second stopping shoe rotate to a first set direction, the first stopping shoe is arranged on the first steel rail, and the second stopping shoe is arranged on the second steel rail to stop; when the first stopping shoe and the second stopping shoe rotate to a second set direction, the first stopping shoe descends at the first steel rail, and the second stopping shoe descends at the second steel rail to release stopping.
Optionally, the transmission mechanism includes an insulating pull rod, a first torsion transmission shaft, a second torsion transmission shaft, a first rotation shaft and a second rotation shaft; the insulating pull rod comprises a first end and a second end;
the linkage pull rod is connected with the insulation pull rod through a first connecting piece;
the first torque transmission shaft is connected between the first end and the first rotational shaft, and the second torque transmission shaft is connected between the second end and the second rotational shaft;
the first rotating shaft is connected with the first stop shoe; the second rotating shaft is connected with the second stopping shoe.
Optionally, the stop device further comprises a signal lamp assembly; the signal lamp assembly comprises a signal lamp and a signal lamp transmission rod; the signal light transmission rod is connected to the first torque transmission shaft through a second connecting piece.
Optionally, the stopping device further includes a first fixing element, the first fixing element is fixedly connected to the signal lamp, and the first steel rail and the second steel rail are laid on the first fixing element and fixedly connected to the first fixing element.
Optionally, the stopping device further comprises a second fixing piece; the second fixing piece is fixedly connected with the switch machine, and the first steel rail and the second steel rail are laid on the second fixing piece and fixedly connected with the second fixing piece.
Optionally, the stop controller is in communication connection with a signal controller of a signal control system.
Further, when the first stop shoe and the second stop shoe rotate to a first set direction, the stop controller is configured to output an up-rail signal to the signal controller, so that the signal controller disconnects a release operation control loop of the signal control system.
Further, when the signal control system is in a release state, the stop controller is configured to prohibit the first stop shoe and the second stop shoe from rotating to a first setting direction.
Optionally, the stopping device further comprises a video collecting assembly, and the video collecting assembly is arranged at the stopping assembly.
Further, the stopping device further comprises a video processing unit which is in communication connection with the video acquisition assembly.
Through one or more technical schemes of the invention, the invention has the following beneficial effects or advantages:
the invention provides a railway safety stop device, which utilizes an existing point switch on a railway as a power output source, drives a transmission mechanism to act through the point switch, then drives a first stop boot and a second stop boot to synchronously rotate, and realizes the stop function through synchronous upper rail of the first stop boot and the second stop boot or removes the stop function through synchronous lower rail; the rotation of the stop shoe is remotely controlled by the stop controller to realize the stop or remove the stop, the traditional manual operation link of placing the stop shoe on the steel rail of the railway is replaced, the stop efficiency is improved, the personal safety of stop operators is guaranteed, and the personnel injury accidents and the driving accidents caused by the conditions that the locomotive mistakenly enters a special line and the like due to the vehicle sliding are avoided.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 illustrates a schematic diagram of a system layout of a railway safety stop device in accordance with one embodiment of the present invention;
FIG. 2 illustrates a front view of a railway safety stop device in accordance with one embodiment of the present invention;
FIG. 3 illustrates a top view of a railway safety stop device in accordance with one embodiment of the present invention;
description of reference numerals:
1. a switch machine; 11. a linkage pull rod; 2. a stop assembly; 21. a first stopper shoe; 22. a second stopper shoe; 23. a first steel rail; 24. a second steel rail; 3. a transmission mechanism; 31. an insulating pull rod; 32. a first torque transmission shaft; 33. a first rotating shaft; 34. a second torque transmission shaft; 35. a second rotating shaft; 36. a first connecting member; 37. a second connecting member; 4. a stopper controller; 5. a signal lamp assembly; 51. a signal lamp; 52. a signal lamp transmission rod; 61. a first fixing member; 62. a second fixing member; 7. a video acquisition component; 8. and a video processing unit.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments. Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control. Unless otherwise specifically indicated, various devices and the like used in the present invention may be commercially available or may be prepared by existing methods.
In order to solve the problems of inefficiency and personal safety hazards caused by manual placement of stop shoes, in an alternative embodiment, as shown in fig. 1-2, there is provided a railway safety stop device, comprising:
a switch machine 1 comprising a link rod 11;
a stop assembly 2 comprising a first stop shoe 21 and a second stop shoe 22; the first stopper shoe 21 is provided at a first rail 23 of a railway; the second stop shoe 22 is disposed at a second rail 24 of the railway;
one end of the transmission mechanism 3 is connected with the linkage pull rod 11, and the other end of the transmission mechanism is sequentially and rotatably connected with the first stop shoe 21 and the second stop shoe 22;
the stop controller 4 is in communication connection with the switch machine 1 and is used for remotely controlling the switch machine 1 to drive the first stop shoe 21 and the second stop shoe 22 to rotate; when the first stopper shoe 21 and the second stopper shoe 22 rotate to a first setting direction, the first stopper shoe 21 is guided on the first rail 23, and the second stopper shoe 22 is guided on the second rail 24 for stopping; when the first stopper shoe 21 and the second stopper shoe 22 rotate to the second setting direction, the first stopper shoe 21 is lowered at the first rail 23, and the second stopper shoe 22 is lowered at the second rail 24 to release the stopper.
Specifically, the stopping device uses the existing switch machine 1 on the railway as a power output source, and the switch machine 1 drives the transmission mechanism 3 to act and then drives the first stopping shoe 21 and the second stopping shoe 22 to synchronously rotate; when the first stopper shoe 21 and the second stopper shoe 22 rotate to a first set direction, for example, the stopper shoes rotate to stand on the surface of the steel rail, at this time, the "upper rail" state is shown in fig. 2, and the stopper shoes play a role of wheel stopping; when the first stopper shoe 21 and the second stopper shoe 22 rotate to a second set direction, for example, the stopper shoes rotate to a direction parallel to the rail and the height of the stopper shoes is lower than the upper surface of the rail, the stopper shoes are in a "lower rail" state, and the stopper shoes release the stopper function. The backstop device that this embodiment provided rotates in order to realize the backstop or remove the backstop through 4 remote control backstop boots of backstop controller, replaces the artifical operation link of placing the backstop boots on the rail of railway of traditional, has improved backstop efficiency, has ensured backstop operation personnel's personal safety, has avoided because of the vehicle swift current car, personnel's injury accident and the driving accident that the condition such as special line caused are gone into to the locomotive mistake.
It should be noted that the first stopper shoe, the second stopper shoe and the first rail and the second rail in this embodiment have no explicit orientation sequence, for example, the first rail may be a rail on a side close to the switch machine, and the second rail may be a rail on a side far from the switch machine; alternatively, the first rail may be the rail on the side remote from the switch machine and the second rail may be the rail on the side close to the switch machine. If not specifically stated, the embodiment is described by taking the first rail and the first stopper shoe as being close to the switch machine, and the second rail and the second stopper shoe as being far from the switch machine.
In the prior art, the point switch 1 is a device for switching the position of a turnout, changing the opening direction of the turnout, locking a point rail of the turnout and reflecting the position of the turnout. In this embodiment, the action stroke of the switch machine 1 can be adjusted, and the length of the action rod of the switch machine 1, i.e. the length of the tie rod 11, can be increased to meet the stopping requirement.
The structure design of the stop boot can adopt the same structure of the stop wheel device in the prior art, and can also be designed into other structures according to the requirement.
In order to realize the power transmission and the up-and-down rail motion of the stop shoe, as shown in fig. 2 and 3, an alternative transmission mechanism 3 is designed as follows:
the transmission mechanism 3 comprises an insulating pull rod 31, a first torsion transmission shaft 32, a second torsion transmission shaft 34, a first rotating shaft 33 and a second rotating shaft 35; the insulating pull rod 31 comprises a first end and a second end; the linkage pull rod 11 is connected with the insulation pull rod 31 through a first connecting piece 36; the first torque transmission shaft 32 is connected between the first end and the first rotation shaft 33, and the second torque transmission shaft 34 is connected between the second end and the second rotation shaft 35; the first rotating shaft 33 is connected with the first stopper shoe 21; the second pivot shaft 35 is connected to the second stop shoe 22.
The transmission principle of the transmission mechanism 3 is as follows: the movement direction of the tie rods 11 of the switch machine 1 is the forward and backward push-pull direction, and the forward and backward direction is the direction perpendicular to the rail laying direction. Through the design of a transmission structure, the front and back push-pull action of the linkage pull rod 11 is enabled to be linked with the back and forth movement of the insulation pull rod 31 through the first connecting piece 36, so that the first torsion transmission shaft 32 and the second torsion transmission shaft 34 are driven to perform front and back, up and down combined movement in a space range; the first torque transmission shaft 32 moves and simultaneously drives the first rotating shaft 33 to rotate, so that the first stopping shoe 21 connected to the first rotating shaft 33 rotates and moves up and down at 120 degrees on one side close to the first steel rail 23 by taking the first rotating shaft 33 as an axis, and the upper rail motion and the lower rail motion of the first stopping shoe 21 are realized; similarly, the second torque transmission shaft 34 moves to drive the second rotation shaft 35 to rotate, so that the second stopping shoe 22 rotates 120 ° and performs a combined up-and-down motion on a side close to the second steel rail 24 with the second rotation shaft 35 as an axis, thereby implementing the up-and-down motion of the second stopping shoe 22.
For example, when the switch machine 1 drives the linkage rod 11 to move forward and the linkage rod 11 reaches a forward limit value, the first stop shoe 21 and the second stop shoe 22 stand on the upper rail surface of the steel rail, and are in an upper rail state, so that mechanical stopping is realized; when the switch machine 1 drives the linkage pull rod 11 to move backwards and reach a backward limit value, the distance between the first stop shoe 21 and the second stop shoe 22 is about 50mm from the corresponding steel rail, the height of the first stop shoe is lower than the upper surface of the corresponding steel rail, and the first stop shoe and the second stop shoe are in a flat-laid lower rail state, so that the passing condition of the locomotive is met.
In order to indicate whether the locomotive is currently in the stop state, optionally, as shown in fig. 2 and 3, the stop device further comprises a signal lamp assembly 5; the signal lamp assembly 5 comprises a signal lamp 51 and a signal lamp transmission rod 52; the signal transmission rod 52 is connected to the first torque transmission shaft 32 through a second connection member 37.
Specifically, when the first torque transmission shaft 32 moves back and forth, the signal transmission rod 52 is rotated by the second connecting member 37. By means of the stroke design, when the switch machine 1 drives the linkage rod 11 to move forward to reach a limit value, such as 140mm, and the first stop shoe 21 and the second stop shoe 22 are in the on-track state, the signal lamp transmission rod 52 is stretched forward to drive the signal lamp 51 to rotate 90 degrees, and the signal lamp transmission rod changes from a blue lamp to a yellow lamp, thereby indicating that the stop device is in the stop state at the time. On the contrary, the signal lamp is changed from a yellow lamp to a blue lamp, which indicates that the stop device is in the stop release state at the moment.
Optionally, the stopping device further includes a first fixing element 61 and a second fixing element 62, the first fixing element 61 is fixedly connected to the signal lamp, and the first rail 23 and the second rail 24 are laid on the first fixing element 61 and fixedly connected to the first fixing element 61; the second fixed member 62 is fixedly connected to the switch machine 1, and the first rail 23 and the second rail 24 are laid on the second fixed member 62 and fixedly connected to the second fixed member 62.
The first and second fixing elements 61, 62 are provided in order to guarantee the stability of the whole stop device under the action of torsion when the switch machine 1 is in motion. Therefore, the first mount 61 and the second mount 62 are fixedly connected to the lower portions of the first rail 23 and the second rail 24 as torsion fixing mechanisms. The fixing connection mode between the fixing piece and the steel rail can be a threaded connection. The first fixing member 61 and the signal lamp 51 can be connected by welding or screwing; the second fixing element 62 can also be connected to the switch machine 1 by welding or screwing. The first and second fixtures 61 and 62 may be bar-shaped workpieces processed from weathering steel.
In order to further improve the active safety performance of the stop device, in some alternative embodiments, the stop controller 4 is communicatively connected to a signal controller of a signal control system; when the first stop shoe 21 and the second stop shoe 22 rotate to a first setting direction, the stop controller 4 is configured to output an up-rail signal to the signal controller, so that the signal controller disconnects a release operation control loop of the signal control system; the stop controller 4 is configured to prohibit the first stop shoe 21 and the second stop shoe 22 from rotating to a first set direction when the signal control system is in a release state.
Specifically, in the embodiment, the stop control system and a railway signal microcomputer interlocking system (signal control system for short) are subjected to information interaction, so that mutual interlocking control is realized, and intrinsic driving safety is realized.
Specifically, when the first stopper shoe 21 and the second stopper shoe 22 are in the on-rail state, the stopper control system outputs an on-rail signal, and the release operation control circuit of the signal control system can be disconnected by the 24V intermediate relay; when the signal control system controls the annunciator to execute release, the annunciator feeds back a state that the signal can not normally act, and the technical effect that the signal control system can not release by interlocking the control system of the stop control system when stopping is achieved.
If the signal control system is in the release state, the output point of the signal control system PLC is used as an input point through the intermediate relay, the input point is connected to the stop controller 4 of the stop control system, the stop control system takes the input point as an interlocking judgment condition, the execution of the rail loading operation of the first stop boot 21 and the second stop boot 22 is forbidden, the adverse effect on the released locomotive or vehicle is avoided, and the potential safety hazard caused by the misoperation of the stop control system is avoided.
Alternatively, the stop controller 4 may use a PLC controller.
In some alternative embodiments, as shown in fig. 1, the stopping device further comprises a video capture assembly 7, wherein the video capture assembly 7 is disposed at the stopping assembly 2. Further, the stopping device further comprises a video processing unit 8 which is in communication connection with the video acquisition assembly 7.
Specifically, set up video acquisition subassembly 7 and video processing unit 8, its purpose realizes convenient remote monitoring backstop device's running state to can in time handle when backstop device goes wrong. Furthermore, the video processing unit 8 is in communication connection with the video monitoring terminal, one-click operation and real-time monitoring can be achieved, and convenience of system operation, safety of equipment operation and timeliness of fault response are fully guaranteed.
In summary, the stop device provided in this embodiment has the following features:
1) The method comprises the following steps of adaptively transforming the action stroke of a railway general turnout switch machine to be used as a stop device and a power output mechanism of a field protection signal lamp; mechanical parts such as a stop device, a rotary indicating signal lamp and the like are linked through an independently designed transmission mechanical interlocking device;
2) The stop control system and the railway signal microcomputer interlocking system are in information interconnection, and are in mutual interlocking control, so that the intrinsic safety of driving is realized.
The stop device provided by the embodiment can be arranged at corresponding positions on a railway as required. For example, for a loading and unloading application scenario, when the empty wagon line of the car dumper is put into trial operation, the stopping device can be installed 500 meters north of the empty wagon line of the car dumper, and the stopping device is located before the car dumper is operated, and in a traditional operation mode, in order to prevent the empty wagon from rolling down after the car dumper is turned over, the stopping device needs to be manually placed at a position where the stopping boot needs to be placed. After setting up the backstop device that this embodiment provided, can long-rangely realize the last lower rail operation of backstop boots, very big reduction post operating personnel intensity of labour. In addition, the stop controller of the stop device is arranged in a railway station relay room, so that the interlocking control with a signal control system is facilitated; the correspondingly developed centralized control operation system of the stop device is deployed in an operation room of the tippler, and the post personnel can carry out remote rail-loading operation before the tippler starts to operate and carry out remote rail-unloading operation before the locomotive is picked up, so that the operation flow of the tippler is optimized.
Through one or more embodiments of the present invention, the present invention has the following advantageous effects or advantages:
the invention provides a railway safety stopping device, which utilizes an existing switch machine on a railway as a power output source, drives a transmission mechanism to act through the switch machine, then drives a first stopping boot and a second stopping boot to synchronously rotate, and realizes a stopping function through synchronous upper rail of the first stopping boot and the second stopping boot or removes the stopping function through synchronous lower rail; the remote control of the stopping controller is used for remotely controlling the stopping boots to rotate so as to realize stopping or relieving stopping, the traditional manual operation link of placing the stopping boots on the steel rails of the railway is replaced, the stopping efficiency is improved, the personal safety of stopping operators is guaranteed, and the personnel injury accidents and the driving accidents caused by the fact that the locomotive mistakenly enters a special line and the like due to vehicle sliding are avoided.
Furthermore, by using the application of technical means such as PLC control, interlocking control with a signal control system, video monitoring and the like, the safety interlocking of the upper rail and the lower rail of the stop device and railway signals is realized, the field safety control capability is improved, the operation link of manually placing the scotch block on the field is cancelled, and the operation organization efficiency is greatly improved.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A railway safety stop device, characterized in that it comprises:
a switch machine comprising a linkage rod;
a stop assembly comprising a first stop shoe and a second stop shoe; the first stop shoe is arranged at a first steel rail of a railway; the second stopper shoe is disposed at a second rail of the railway;
one end of the transmission mechanism is connected with the linkage pull rod, and the other end of the transmission mechanism is sequentially in rotating connection with the first stop shoe and the second stop shoe;
the stop controller is in communication connection with the switch machine and is used for controlling the switch machine to drive the first stop shoe and the second stop shoe to rotate; when the first stopping shoe and the second stopping shoe rotate to a first set direction, the first stopping shoe is arranged on the first steel rail, and the second stopping shoe is arranged on the second steel rail to stop; when the first stopping shoe and the second stopping shoe rotate to a second set direction, the first stopping shoe descends at the first steel rail, and the second stopping shoe descends at the second steel rail to release stopping.
2. The stop device of claim 1, wherein said drive mechanism comprises an insulated pull rod, a first torque drive shaft, a second torque drive shaft, a first rotational shaft and a second rotational shaft; the insulating pull rod comprises a first end and a second end;
the linkage pull rod is connected with the insulation pull rod through a first connecting piece;
the first torsional drive shaft is connected between the first end and the first rotational axis, and the second torsional drive shaft is connected between the second end and the second rotational axis;
the first rotating shaft is connected with the first stop shoe; the second rotating shaft is connected with the second stopping boot.
3. The stop device of claim 2, further comprising a signal light assembly; the signal lamp assembly comprises a signal lamp and a signal lamp transmission rod; the signal lamp driving rod is connected to the first torque transmission shaft through a second connecting piece.
4. The stop apparatus according to claim 3, further comprising a first fixture, said first fixture being fixedly connected to said signal lamp, said first rail and said second rail being disposed on and fixedly connected to said first fixture.
5. The stop device of claim 4, further comprising a second securing member; the second fixing piece is fixedly connected with the switch machine, and the first steel rail and the second steel rail are laid on the second fixing piece and are fixedly connected with the second fixing piece.
6. The stop device of claim 1, wherein the stop controller is communicatively coupled to a signal controller of a signal control system.
7. The stop device of claim 6, wherein said stop controller is configured to output an up-rail signal to said signal controller to cause said signal controller to open a clear operation control loop of said signal control system when said first stop shoe and said second stop shoe are rotated to a first set direction.
8. The stop device of claim 6, wherein said stop controller is configured to inhibit rotation of said first stop shoe and said second stop shoe to a first set direction when said signal control system is in a released state.
9. The stop device of claim 1, further comprising a video capture assembly disposed at the stop assembly.
10. The stop apparatus of claim 9, further comprising a video processing unit communicatively coupled to the video capture assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874312.XA CN115195808A (en) | 2022-07-22 | 2022-07-22 | Railway safety stop device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874312.XA CN115195808A (en) | 2022-07-22 | 2022-07-22 | Railway safety stop device |
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