CN116513258A - Intelligent railway parking anti-slip device - Google Patents

Intelligent railway parking anti-slip device Download PDF

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Publication number
CN116513258A
CN116513258A CN202310809312.6A CN202310809312A CN116513258A CN 116513258 A CN116513258 A CN 116513258A CN 202310809312 A CN202310809312 A CN 202310809312A CN 116513258 A CN116513258 A CN 116513258A
Authority
CN
China
Prior art keywords
stop
assembly
fixing seat
intelligent railway
parking brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310809312.6A
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Chinese (zh)
Other versions
CN116513258B (en
Inventor
明建豪
秦喜运
纪永
郑国睿
孙庆贺
祝仰敏
张渤
李琦
孙义民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ji'nan Railway Science And Technology Development Co ltd
Original Assignee
Ji'nan Railway Science And Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ji'nan Railway Science And Technology Development Co ltd filed Critical Ji'nan Railway Science And Technology Development Co ltd
Priority to CN202310809312.6A priority Critical patent/CN116513258B/en
Publication of CN116513258A publication Critical patent/CN116513258A/en
Application granted granted Critical
Publication of CN116513258B publication Critical patent/CN116513258B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/16Positive railway stops
    • B61K7/20Positive wheel stops
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/16Positive railway stops
    • B61K7/18Buffer stops

Abstract

The invention relates to the technical field of railway vehicle braking, and provides an intelligent railway parking anti-slip device which comprises a driving assembly, a first linkage assembly, a second linkage assembly, a first stop assembly, a second stop assembly and a first fixing seat and a second fixing seat, wherein the driving assembly is fixed on a sleeper; the two stop assemblies can be respectively engaged with the first fixing seat and the second fixing seat; each stop assembly comprises a mounting seat capable of being engaged on the upper side of the rail, a first stop movably mounted in the mounting seat, and a second stop mounted between the first stop and the mounting seat; when the first stop piece moves towards the second stop piece relative to the mounting seat, the second stop piece moves upwards relative to the mounting seat under the action of the first stop piece. The intelligent railway parking anti-slip device can reliably stop the wheels of the train and avoid the wheels from being in strong collision with the intelligent railway parking anti-slip device.

Description

Intelligent railway parking anti-slip device
Technical Field
The invention relates to the technical field of railway vehicle braking, in particular to an intelligent railway parking anti-slip device.
Background
The railway parking anti-slip device is a safety protection device for preventing a train on a railway line from sliding. The existing railway parking anti-slip device comprises a parking anti-slip top, an anti-slip skate and an internal bracing type parking anti-slip device. The parking anti-slip device for the railway is limited by the skills, physical ability and experience of operators and is influenced by natural environment, so that serious potential safety hazards exist in the railway parking anti-slip device; in the existing internal support type parking anti-slip device, the purpose of parking and anti-slip is achieved by friction braking on the inner side surface of the train wheel pair, sliding friction and collision occur between the inner side surface of the train wheel pair and the internal support type parking anti-slip device in the process that the train wheel stays at the internal support type parking anti-slip device, so that the train wheel and the internal support type parking anti-slip device are damaged, and the service life of the train wheel and the internal support type parking anti-slip device is shortened.
Disclosure of Invention
In order to solve or at least alleviate the above problems, the present invention provides an intelligent railway parking brake.
The invention provides an intelligent railway parking anti-slip device which comprises a driving assembly, a first linkage assembly, a second linkage assembly, a stop assembly, a first fixing seat and a second fixing seat, wherein the first fixing seat is connected with the first linkage assembly; the driving assembly is fixed on the sleeper; the first linkage assembly and the second linkage assembly are driven by the driving assembly; the stop assembly comprises a first stop assembly and a second stop assembly, and the first stop assembly and the second stop assembly are respectively installed on the end parts of the first linkage assembly and the second linkage assembly, which are adjacent to the track; the first fixing seat and the second fixing seat are respectively arranged at the lower sides of the first stop component and the second stop component; the first stop component and the second stop component can be respectively engaged with the first fixing seat and the second fixing seat when moving onto the track, and are disengaged from the first fixing seat and the second fixing seat when moving away from the track; the first stop component and the second stop component comprise a mounting seat, a first stop piece and a second stop piece; the mounting seat can be jointed on the upper side of the track; the first stop is movably mounted in the mount; the second stop member is installed between the first stop member and the mounting seat, and when the first stop member moves towards the second stop member relative to the mounting seat, the second stop member moves upwards relative to the mounting seat under the action of the first stop member.
In some embodiments, the mounting seat comprises a boss extending towards the track, and a receiving slot for receiving the first stop, the receiving slot being provided with an opening on one side in the direction of travel of the train, the first fixing seat being provided with a first recess towards the first stop assembly, and the second fixing seat being provided with a second recess towards the second stop assembly, the bosses of the first and second stop assemblies being engageable in the first and second recesses, respectively.
In some embodiments, the first stop member is movably disposed in the accommodating groove along the extending direction of the rail, two opposite sides of the accommodating groove are respectively provided with a groove, the grooves are disposed along the extending direction of the rail, and a first elastic member is fixed in each groove.
In some embodiments, a second elastic member is connected between the mount and the second stopper.
In some embodiments, the first stopper is provided with a joint between the mount and the second stopper, and a first stopper provided at a side of the joint facing the opening of the mount.
In some embodiments, the upper side of the engaging portion is a first inclined surface, the first inclined surface is inclined downwards from the first stop portion, two opposite sides of the first stop portion are respectively provided with a protrusion capable of being engaged in the groove, the first elastic piece is abutted between the protrusion and the groove, and the upper side of the first stop portion is an inclined surface inclined downwards from the engaging portion.
In some embodiments, the second stopper is provided with a second stopper portion facing the first stopper, a second inclined surface adjacent to the second stopper portion and engaged with the first inclined surface, a connecting portion extending toward the mount, and a mounting hole provided on the connecting portion, the second elastic member can be engaged in the mounting hole, the number of the connecting portions is two, and the engaging portion of the first stopper can enter between the two connecting portions.
In some embodiments, the first slope of the engagement portion and the slope of the first stop portion are transitioned by a rounded corner, and the second stop portion and the second slope are also transitioned by a rounded corner.
In some embodiments, a side of the first stop portion remote from the engagement portion is provided with a notch capable of engaging a rim of a wheel of a train.
In some embodiments, a third elastic member is disposed on a side of the receiving groove opposite to the opening.
The invention has the beneficial effects that:
1. the intelligent railway parking anti-slip device provided by the invention can reliably stop the train wheels at the railway parking anti-slip device, can avoid strong collision between the wheels and the intelligent railway parking anti-slip device in the stopping process, can avoid stopping the train only through sliding friction, effectively protects the train wheels and the intelligent railway parking anti-slip device, prolongs the service life of the train wheels and the intelligent railway parking anti-slip device, and reduces the use cost.
2. According to the intelligent railway parking anti-slip device, the first inclined plane of the joint part and the inclined plane of the first stop part are in rounded transition, and the second stop part and the second inclined plane are also in rounded transition, so that the first stop part and the second stop part can be prevented from being blocked, and the reliability of the intelligent railway parking anti-slip device is improved.
3. The first elastic piece can buffer the movement of the first stop piece relative to the mounting seat and reset the first stop piece; in addition, the third elastic piece can further buffer the movement of the first stop piece relative to the mounting seat and reset the first stop piece.
4. In the invention, the side of the first stop part far away from the joint part is provided with the notch which can be connected with the rim of the train wheel, so that the intelligent railway parking anti-slip device is prevented from acting on the rim only, the contact area with the train wheel is increased, and the damage to the train wheel is effectively reduced.
Drawings
Fig. 1 shows a perspective view of an intelligent railway parking brake in accordance with an embodiment of the present invention, wherein the intelligent railway parking brake has been installed on a track.
Fig. 2 shows a schematic plan view of the intelligent railway parking brake of fig. 1 in an extended condition.
Fig. 3 shows another schematic plan view of the intelligent railway parking brake of fig. 1, wherein the intelligent railway parking brake is in a retracted state.
Fig. 4 shows a partially exploded view of the intelligent railroad parking brake of fig. 1.
Fig. 5 shows an exploded view of the stop assembly of the intelligent railway parking brake of fig. 1.
Fig. 6 shows an exploded view of the intelligent railroad car park brake stop assembly of fig. 1 in another orientation.
Fig. 7 shows a schematic plan view of the stop assembly of fig. 6, with a further view taken along line A-A.
Fig. 8 shows a schematic perspective view of the stop assembly of fig. 6 at the stop, wherein the movement of the partial components is shown.
Reference numerals illustrate: 1-track; 2-an intelligent railway parking anti-slip device; 21-a drive assembly; 211-motor; 212-a bearing assembly; 213-rotating frame; 22-a first linkage assembly; 221-a first link; 223-first mount; 224-first struts; 225-a second strut; 23-a second linkage assembly; 231-a second link; 233-a second mount; 234-third struts; 235-fourth struts; 24-a first stop assembly; 24' -a second stop assembly; 241-mount; 411-receiving slots; 412-grooves; 413-a first elastic member; 414-a second elastic member; 415-a third elastic member; 416-boss; 417-telescoping shaft; 242-a first stop; 420-joint; 421-a first ramp; 422-first stop; 423-protrusions; 424-slotting; 425-notch; 243-a second stop; 431-a second ramp; 432-a second stop; 433-connection; 434-mounting holes; 25-a first fixing seat; 251-first notch; 26-a second fixing seat; 261-second notch.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present invention, and do not denote any one of the components or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly attached," "connected," "coupled," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present invention can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present invention.
As shown in fig. 1, the intelligent railway parking brake 2 of the present invention is installed between two parallel rails 1. Preferably, the intelligent railway parking brake 2 is fixed on a sleeper between two parallel rails 1. Referring to fig. 1 to 4, the intelligent railway parking brake 2 includes a driving assembly 21 fixed on a sleeper, a first linkage assembly 22 and a second linkage assembly 23 driven by the driving assembly 21, a stopper assembly installed on an end of the first linkage assembly 22 and the second linkage assembly 23 adjacent to the track 1, and a first fixing seat 25 and a second fixing seat 26 disposed at a lower side of the stopper assembly. The stop assembly comprises a first stop assembly 24 and a second stop assembly 24', the first stop assembly 24 and the second stop assembly 24' are respectively mounted on the ends of the first linkage assembly 22 and the second linkage assembly 23 adjacent to the track 1; the first fixing seat 25 and the second fixing seat 26 are respectively disposed at the lower sides of the first stop component 24 and the second stop component 24'. The first and second stop assemblies 24, 24' can engage with the first and second holders 25, 26, respectively, when moved onto the track 1; and the first and second stop assemblies 24, 24' are disengaged from the first and second holders 25, 26 when they are away from the track 1.
In this embodiment, the driving assembly 21 includes a motor 211 mounted on a sleeper, a bearing assembly 212 disposed opposite to an output shaft of the motor 211, and a rotating frame 213 rotatably supported on the output shaft of the motor 211 and the bearing assembly 212. Preferably, the motor 211 is a servo motor. The specific construction of the bearing assembly 212 may be as known in the art and will not be described in detail herein. The rotating frame 213 has a square shape. The operation of the motor 211 may be controlled by a remote control system. An operator may set the operating parameters of the motor 211 on the remote control system. When the intelligent railway parking brake 2 is required to be used, the motor 211 drives the rotating frame 213 to rotate, so that the first linkage assembly 22 and the second linkage assembly 23 are driven to move.
The first linkage assembly 22 includes a first link 221 hinged to the rotating frame 213, a first mounting member 223 hinged to the first link 221, and first and second struts 224 and 225 rotatably supported at the lower side of the first mounting member 223, wherein the first strut 224 is located between the rotating frame 213 and the second strut 225. Preferably, the length of the first struts 224 is greater than the length of the second struts 225. The present embodiment is provided with two parallel first links 221, and the two parallel first links 221 are disposed adjacent to the output shaft of the motor 211 and the bearing assembly 212, respectively. The first mounting member 223 has a square shape.
The second linkage assembly 23 includes a second link 231 hinged to the rotating frame 213, a second mount 233 hinged to the second link 231, and third and fourth struts 234 and 235 rotatably supported at lower sides of the second mount 233, wherein the third strut 234 is located between the rotating frame 213 and the fourth strut 235. Preferably, the third strut 234 has a length that is greater than the length of the fourth strut 235. The present embodiment provides two parallel third struts 234, with the two parallel third struts 234 being disposed adjacent the output shaft of the motor 211 and the bearing assembly 212, respectively. The second mounting member 233 has a square shape.
The first and second stop assemblies 24 and 24' are fixed to the first and second mounting members 223 and 233 of the first and second linkage assemblies 22 and 23, respectively, adjacent to the ends of the track 1. When the motor 211 operates according to preset parameters, the rotating frame 213 is driven by the motor 211 to move the first linkage assembly 22 and the second linkage assembly 23, wherein the first mounting member 223 rotates while moving due to the cooperation among the first link 221, the first strut 224 and the second strut 225, and the second mounting member 233 rotates while moving due to the cooperation among the second link 231, the third strut 234 and the fourth strut 235, so that the first mounting member 223 and the second mounting member 233 respectively drive the corresponding stop assemblies to move and simultaneously rotate.
Referring simultaneously to fig. 1, 4-7, the first and second stop assemblies 24, 24' each include a mount 241 engageable on an upper side of the track 1, a first stop 242 movably mounted in the mount 241, and a second stop 243 mounted between the first stop 242 and the mount 241. In this embodiment, the mounting base 241 includes a boss 416 extending toward the track 1, and a receiving slot 411 for receiving the first stopper 242. An opening is provided in one side of the accommodation slot 411 in the direction in which the train travels. Preferably, the mounting base 241 is provided with a distance sensor at a position adjacent to the opening of the mounting base 241, when the distance sensor senses that the distance between the train wheel and the mounting base 241 reaches a preset value, the motor 211 operates according to preset parameters, and the rotating frame 213 is driven by the motor 211 to drive the first linkage assembly 22 and the second linkage assembly 23 to move, so that the first mounting piece 223 and the second mounting piece 233 respectively drive the corresponding stop assemblies to move onto the track 1, and the mounting base 241 abuts against the track 1. The first fixing seat 25 is provided with a first recess 251 facing the first stop assembly 24, and the second fixing seat 26 is provided with a second recess 261 facing the second stop assembly 24'. The boss 416 of the first and second stop assemblies 24, 24' are engageable in the first recess 251 of the first mount 25 and the second recess 261 of the second mount 26, respectively; specifically, when the first and second stop assemblies 24, 24 'are moved onto the track 1, the respective ledges 416 engage in the respective recesses, and when the first and second stop assemblies 24, 24' are moved away from the track 1, the respective ledges 416 disengage from the respective recesses.
The first stopper 242 is movably disposed in the receiving slot 411 in the extending direction of the rail 1. Grooves 412 are provided on opposite sides of the receiving slot 411. The grooves 412 are provided along the extending direction of the track 1. A first elastic member 413 is fixed in each groove 412 for buffering movement of the first stopper 242 with respect to the mounting base 241 and resetting the first stopper 242. In addition, a third elastic member 415 is disposed at a side of the receiving slot 411 opposite to the opening to further cushion movement of the first stopper 242 with respect to the mounting seat 241 and reset the first stopper 242. Preferably, the third elastic member 415 is sleeved on the telescopic shaft 417. In this embodiment, a second elastic member 414 is connected between the mounting base 241 and the second stopper 243. Preferably, the first elastic member 413, the second elastic member 414, and the third elastic member 415 are springs, respectively. When the intelligent railway parking brake is used, wheels of a train are abutted against the first stop piece 242, the first stop piece 242 moves relative to the mounting seat 241 under the driving of the wheels, the first elastic piece 413 and the third elastic piece 415 are compressed, meanwhile, the second stop piece 243 moves upwards relative to the mounting seat 241 under the action of the first stop piece 242, at the moment, the second elastic piece 414 is stretched, the train can reliably stay under the action of the first stop piece 242 and the second stop piece 243, and the train cannot collide with the intelligent railway parking brake 2 strongly in the stopping process, so that the wheels of the train are effectively protected; when the train is driven away, the first stopper 242 is restored under the action of the first elastic member 413 and the third elastic member 415, and the second stopper 243 is restored under the action of the second elastic member 414.
In the present embodiment, the first stopper 242 is provided with an engaging portion 420 interposed between the mounting base 241 and the second stopper 243, and a first stopper 422 provided at a side of the engaging portion 420 facing the opening of the mounting base 241. The upper side of the engaging portion 420 is a first inclined surface 421. The first slope 421 is inclined downward from the first stopper 422. Opposite sides of the first stopper 422 are provided with protrusions 423 capable of being engaged in the grooves 412, respectively. The first elastic member 413 abuts between the projection 423 and the groove 412. The first stop 422 is provided with a slot 424 corresponding to the first elastic member 413 at a position adjacent to the protrusion 423. The upper side of the first stopper 422 is a slope inclined downward from the engaging portion 420. The side of the first stop 422 remote from the engagement 420 is provided with a notch 425 capable of engaging the rim of a train wheel. When the train arrives, the rim of the train wheel engages in this notch 425, the train wheel acts on the inclined surface of the first stop 422, causing the first stop 242 to move relative to the mounting seat 241, while the second stop 243 moves upwards relative to the mounting seat 241 under the action of the first inclined surface 421.
The second stopper 243 is provided with a second stopper 432 facing the first stopper 242, a second slope 431 adjacent to the second stopper 432 and engaged with the first slope 421, a connection portion 433 extending toward the mounting seat 241, and a mounting hole 434 provided on the connection portion 433. In this embodiment, the second stop 432 is perpendicular to the mounting base 241. The number of the connection parts 433 is two, and each connection part 433 is provided with a mounting hole 434. The second elastic member 414 can be engaged in the mounting hole 434. The engagement portion 420 of the first stopper 242 can enter between the two connection portions 433. Preferably, the first slope 421 of the engaging portion 420 and the slope of the first stopping portion 422 are in rounded transition, and the second stopping portion 432 and the second slope 431 are also in rounded transition, so as to prevent the first stopping member 242 and the second stopping member 243 from being blocked.
Referring to fig. 1 to 8, when the distance sensor senses that the distance between the train wheel and the mounting seat 241 reaches a preset value, the remote control system controls the motor 211 to operate according to preset parameters, the rotating frame 213 is driven by the motor 211 to drive the first linkage assembly 22 and the second linkage assembly 23 to move, so that the first mounting piece 223 and the second mounting piece 233 respectively drive the corresponding stop assemblies to move to the track 1, and the mounting seat 241 is abutted against the track 1; when the wheel of the train abuts against the first stop piece 242, the first stop piece 242 moves relative to the mounting seat 241 under the driving of the wheel, the first elastic piece 413 and the third elastic piece 415 are compressed, meanwhile, the second stop piece 243 moves upwards relative to the mounting seat 241 under the action of the second inclined surface 431 of the second stop piece 431 and the first inclined surface 421 of the first stop piece 242, at the moment, the second elastic piece 414 is stretched, and the train can reliably stay under the action of the first stop part 422 of the first stop piece 242 and the second stop part 432 of the second stop piece 243; when the train is driven away, the first stopping piece 242 is reset under the action of the first elastic piece 413 and the third elastic piece 415, meanwhile, the second stopping piece 243 is reset under the action of the second elastic piece 414, the remote control system controls the motor 211 to operate according to preset parameters, the driving rotating frame 213 drives the first linkage assembly 22 and the second linkage assembly 23 to move, and the first mounting piece 223 and the second mounting piece 233 respectively drive the corresponding stopping assemblies to be far away from the track 1.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An intelligent railway parking anti-slip device comprises a driving assembly, a first linkage assembly, a second linkage assembly, a stop assembly, a first fixing seat and a second fixing seat; the driving assembly is fixed on the sleeper; the first linkage assembly and the second linkage assembly are driven by the driving assembly; the stop assembly comprises a first stop assembly and a second stop assembly, and the first stop assembly and the second stop assembly are respectively installed on the end parts of the first linkage assembly and the second linkage assembly, which are adjacent to the track; the first fixing seat and the second fixing seat are respectively arranged at the lower sides of the first stop component and the second stop component; the first stop component and the second stop component can be respectively engaged with the first fixing seat and the second fixing seat when moving onto the track, and are disengaged from the first fixing seat and the second fixing seat when moving away from the track; the device is characterized in that the first stop component and the second stop component comprise a mounting seat, a first stop piece and a second stop piece; the mounting seat can be jointed on the upper side of the track; the first stop is movably mounted in the mount; the second stop member is installed between the first stop member and the mounting seat, and when the first stop member moves towards the second stop member relative to the mounting seat, the second stop member moves upwards relative to the mounting seat under the action of the first stop member.
2. The intelligent railway parking brake as claimed in claim 1, wherein the mounting includes a boss extending toward the track, and a receiving slot for receiving the first stop, the receiving slot being provided with an opening on one side in a direction of travel of the train, the first mount being provided with a first recess toward the first stop assembly, and the second mount being provided with a second recess toward the second stop assembly, the bosses of the first and second stop assemblies being engageable in the first and second recesses, respectively.
3. The intelligent railway parking brake as claimed in claim 2, wherein the first stopper is movably disposed in the receiving groove along an extending direction of the rail, grooves are respectively formed in opposite sides of the receiving groove, the grooves are disposed along the extending direction of the rail, and a first elastic member is fixed in each groove.
4. The intelligent railway parking brake of claim 3, wherein a second resilient member is connected between the mount and the second stop member.
5. The intelligent railway parking brake of claim 4, wherein the first stop is provided with a junction between the mount and the second stop, and a first stop disposed on a side of the junction facing the opening of the mount.
6. The intelligent railway parking brake as claimed in claim 5, wherein the upper side of the engagement portion is a first inclined surface inclined downward from the first stopper portion, opposite sides of the first stopper portion are respectively provided with protrusions capable of being engaged in the grooves, the first elastic member is abutted between the protrusions and the grooves, and the upper side of the first stopper portion is an inclined surface inclined downward from the engagement portion.
7. The intelligent railway parking brake of claim 6, wherein the second stop member is provided with a second stop portion facing the first stop member, a second inclined surface adjacent to the second stop portion and engaged with the first inclined surface, a connecting portion extending toward the mounting seat, and a mounting hole provided on the connecting portion, the second elastic member is engageable in the mounting hole, the number of the connecting portions is two, and the engaging portion of the first stop member is capable of entering between the two connecting portions.
8. The intelligent railway parking brake of claim 7, wherein the first incline of the engagement portion and the incline of the first stop portion are transitioned by a rounded corner, and the second stop portion and the second incline are also transitioned by a rounded corner.
9. The intelligent railway parking brake as claimed in claim 7, wherein a side of the first stop portion remote from the engagement portion is provided with a notch capable of engaging a rim of a wheel of a train.
10. The intelligent railway parking brake as claimed in claim 3, wherein a third elastic member is provided on a side of the receiving groove opposite to the opening.
CN202310809312.6A 2023-07-04 2023-07-04 Intelligent railway parking anti-slip device Active CN116513258B (en)

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FR340175A (en) * 1904-02-04 1904-06-28 Carl Wilke Shoe brake for railway vehicles with sandbox and with side cheeks embracing the mushroom of the rails and being able to serve at the same time as clutch shoes
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