CN-117775043-B - Folding-shed type inner protection device and through channel comprising same

CN117775043BCN 117775043 BCN117775043 BCN 117775043BCN-117775043-B

Abstract

The invention relates to a bellows type inner protection device and a through passage comprising the same, and belongs to the technical field of railway vehicle through passages. The folding-shed type inner protection device comprises an inner folding shed, side beams and vertical support assemblies, wherein the inner folding shed comprises shed cloth and a plurality of folding shed frameworks, the side beams are respectively arranged on two sides of the front end and two sides of the rear end of the inner folding shed, the vertical support assemblies are used for providing vertical support force for the inner folding shed and comprise two stay rope steering seats, two tension springs, a plurality of support wheels and stay ropes, the two stay rope steering seats and the two tension springs are respectively arranged on the side beams at the front end and the side beams at the rear end, the support wheels are correspondingly arranged on the side portions of the folding shed frameworks one by one, the stay ropes are sequentially connected with the plurality of support wheels and support the support wheels, and two ends of the stay ropes respectively bypass the two stay rope steering seats and are connected with the two tension springs so as to tension the stay ropes through the two tension springs. The folding-shed type inner protection device provides vertical supporting force through the vertical supporting component arranged on the folding-shed type inner protection device, and can be disassembled and replaced independently, so that the maintenance is convenient.

Inventors

LIU SHAOYI
BIAN ANCHUAN
SUN WEIGUANG
YANG JINGYI
ZHANG XUSHENG
BAO YIFAN

Assignees

中车制动系统有限公司

Dates

Publication Date: 20260505
Application Date: 20240104

Claims (10)

1. The utility model provides a protection device in bellows formula, its characterized in that includes: the inner folding shed comprises shed cloth and a plurality of folding shed frameworks for supporting the shed cloth, and the folding shed frameworks are sequentially arranged from the front end to the rear end of the inner folding shed; The side beams are used for connecting the inner folding shed with the vehicle body, and the side beams are respectively arranged at the two sides of the front end and the two sides of the rear end of the inner folding shed; The vertical supporting component is used for providing vertical supporting force for the inner folding shed, and comprises: The two stay cord steering seats are oppositely arranged on the side beam at the front end and the side beam at the rear end; The two tension springs are oppositely arranged on the side beam at the front end and the side beam at the rear end; the support wheels are arranged at the side part of the folding shed framework in a one-to-one correspondence manner; The stay cord, the stay cord connects gradually a plurality of the supporting wheel and supports the supporting wheel, the both ends of stay cord are walked around respectively two the stay cord turns to the seat, and connect in two the extension spring, in order to pass through two the extension spring tensioning the stay cord.
2. The folding-shed type inner protection device according to claim 1, wherein a movable seat is arranged at one end of the tension spring connected with the pull rope, a clamping part is arranged on the movable seat, and a bayonet for the clamping part to clamp in to lock the movable seat is arranged on the pull rope steering seat.
3. The folding-shelf type inner protection device according to claim 2, wherein the pull rope steering seat is located at one side of the side beam, which is away from the vehicle body, the side beam is provided with a through hole communicated with the bayonet, one side of the side beam, which faces the vehicle body, is provided with a pushing spring piece, the end part of the pushing spring piece stretches into the through hole, and the pushing spring piece pushes the clamping part clamped in the bayonet under the extrusion action of the vehicle body when the side beam is connected to the vehicle body, so that the clamping part is separated from the bayonet.
4. A bellows inner protector according to any one of claims 1-3, wherein the vertical support members are four sets, two sets of the vertical support members are provided on each side of the inner bellows, and one set of the vertical support members is provided near an upper portion of the inner bellows and the other set of the vertical support members is provided near a lower portion of the inner bellows.
5. The bellows inner guard of claim 4, wherein the tension spring is located below the pull string to tension the pull string downward in the vertical support assembly located near the upper portion of the inner bellows, and wherein the tension spring is located above the pull string to tension the pull string upward in the vertical support assembly located near the lower portion of the inner bellows.
6. The folding-booth type inner protection device according to claim 1, wherein a cross beam for connecting a vehicle body is arranged at the top of the front end and the top of the rear end of the inner folding booth, the folding-booth type inner protection device further comprises upper mounting seats arranged on two sides of the upper portion of the vehicle body and lower mounting seats arranged on two sides of the lower portion of the vehicle body, clamping grooves are formed in the upper mounting seats, two ends of the cross beam are respectively clamped into the upper mounting seats on two sides of the upper portion of the vehicle body, positioning pins are arranged on the lower mounting seats, and connecting blocks sleeved on the positioning pins are arranged on the lower portions of the side beams.
7. The bellows inner guard of claim 6, wherein the end of the cross beam is hollow, an upper connection assembly for detachably connecting the upper mounting base is disposed in the end of the cross beam, and the upper connection assembly comprises: the bolt can extend or retract relative to the end part of the cross beam, and a slot wall opposite to the end part of the cross beam is provided with a pin hole for the bolt to be inserted; the spring is used for propping the bolt against the pin hole and is propped against one end of the bolt, which is away from the pin hole; The cross beam is provided with a sliding groove arranged along the expansion direction of the bolt, and the blocking shaft moves in the sliding groove to drive the bolt to expand and contract.
8. The bellows inner guard of claim 7, wherein the end of the chute away from the end of the beam has a locking slot into which the blocking shaft is snapped to limit movement of the blocking shaft, and the latch is positioned to retract into the end of the beam when the blocking shaft is snapped into the locking slot.
9. The folding-shelf type inner protection device according to claim 7, wherein one side of the upper mounting seat away from the clamping groove is provided with a slope surface which inclines from top to bottom to the clamping groove, the end part of the bolt is provided with a slope surface which is the same as the slope surface in the inclination direction, the bolt slides on the slope surface of the upper mounting seat through the slope surface in the process that the end part of the cross beam falls into the clamping groove from top to bottom, so that the bolt is retracted into the end part of the cross beam and compresses the spring, and the spring stretches to push the bolt to be inserted into the pin hole after the end part of the cross beam falls into the clamping groove.
10. A through passage comprising a bellows inner guard according to any one of claims 1 to 9.

Description

Folding-shed type inner protection device and through channel comprising same Technical Field The invention belongs to the technical field of railway vehicle through channels, and particularly relates to a bellows type inner protection device and a through channel comprising the same. Background The through channel of the railway vehicle is an important part for realizing the connection and the through between two sections of vehicle bodies and mainly comprises an outer folding shed, a foot cab apron and an inner protection device, wherein the inner protection device usually adopts a guard plate structure or a folding shed structure. For the inner protection device of the folding shed structure, the stability of the whole folding shed structure is considered, and the problems of sagging and shaking of the folding shed are solved. Patent CN208530566U discloses a through passage of a vehicle, a folding shed component of the through passage comprises an inner folding shed component and an outer folding shed component, the inner folding shed component provides anti-sagging supporting force for the folding shed through a coupler support, and meanwhile, the inner folding shed component is connected with the outer folding shed component through a metal plate arranged on each ring folding shed framework, so that the problem of sagging of the inner folding shed is improved, however, the folding shed structure improves the problem of sagging of the inner folding shed, but the anti-sagging of the inner folding shed component needs to depend on the connecting support of the outer folding shed component, so that the inner folding shed component cannot be disassembled and replaced independently, and is inconvenient to maintain. Therefore, how to improve the sagging problem of the bellows type inner protection device without relying on the advance of the outer bellows is a technical problem to be solved currently. Disclosure of Invention According to the folding-shed type inner protection device and the through channel comprising the same, the folding-shed type inner protection device provides vertical supporting force through the vertical supporting component arranged on the folding-shed type inner protection device, so that the problem of sagging of the folding-shed type inner protection device is solved, the folding-shed type inner protection device is independent of the connecting support of an outer folding shed, and can be disassembled and replaced independently, so that the folding-shed type inner protection device is convenient to maintain. The invention provides a bellows type inner protection device, which comprises: the inner folding shed comprises shed cloth and a plurality of shed frameworks for supporting the shed cloth, and the shed frameworks are sequentially arranged from the front end to the rear end of the inner folding shed; The side beams are used for connecting the inner folding shed with the vehicle body, and the side beams are respectively arranged at the two sides of the front end and the two sides of the rear end of the inner folding shed; The vertical supporting component is used for providing vertical supporting force to the inner folding shed, and comprises: the two stay cord steering seats are oppositely arranged on the side beam at the front end and the side beam at the rear end; The two tension springs are oppositely arranged on the side beam at the front end and the side beam at the rear end; the support wheels are arranged at the side parts of the folding shed framework in a one-to-one correspondence manner; the stay cord, stay cord connect gradually a plurality of supporting wheels and support the supporting wheel, and two stay cord steering seat are walked around respectively at the both ends of stay cord to connect in two extension springs, in order to tighten the stay cord through two extension springs. According to the technical scheme, the vertical supporting component arranged by the inner folding shed is used for providing vertical supporting force, the connecting support of the outer folding shed is not relied on, the problem of sagging and wrinkling of the inner folding shed can be solved on the premise of meeting the product function, the stability and the aesthetic property of the integral structure of the folding shed type inner protection device are improved, and meanwhile, the folding shed type inner protection device can be disassembled and replaced independently, so that the maintenance is facilitated. In some embodiments, one end of the tension spring connected with the pull rope is provided with a movable seat, the movable seat is provided with a clamping part, and the pull rope steering seat is provided with a bayonet for the clamping part to clamp in to lock the movable seat. According to the technical scheme, through the cooperation of the clamping part of the movable seat and the bayonet of the stay cord steering seat, the continuous hanging operation of the folding