CN202624237U

CN202624237U - Railway locomotive door with buffering and locking functions

Info

Publication number: CN202624237U
Application number: CN 201220163999
Authority: CN
Inventors: 黄勤忠; 马晓红; 李彬彬
Original assignee: ANHUI SHENGSHI GAOKE TRACK EQUIPMENT Co Ltd
Current assignee: ANHUI SHENGSHI GAOKE TRACK EQUIPMENT Co Ltd
Priority date: 2012-04-18
Filing date: 2012-04-18
Publication date: 2012-12-26
Anticipated expiration: 2022-04-18

Abstract

The utility model discloses a railway locomotive door with buffering and locking functions, comprising a left door, a right door and a guide rail, wherein the guide rail is fixedly connected with a railway locomotive body; the railway locomotive door further comprises a pulley wheel and a steel wire rope forming a closed ring by spanning across the pulley wheel; the left door and the right door are respectively and fixedly connected with an upper half edge and a lower half edge of the closed ring of the steel wire rope; the steel wire rope moves, and the left door and the right door are pulled to do straight-line movements in opposite directions; one door of the left door and the right door is fixedly provided with a positioning wheel; two resilient sheets are respectively arranged at the two ends of a corresponding door route on the guide rail; two resilient sheets are provided with clamping grooves; and the clamping grooves are respectively clamped into the positioning wheel when the doors move to the tail end of the route. When the door is opened, the railway locomotive door has the advantages of good buffering and positioning effects, flexible and stable movement, safety and reliability, simple structure, convenience for use, beauty and elegance, low cost and strong practical applicability.

Description

A kind of railway locomotive car door with buffering blocking function

Technical field

The utility model relates to track traffic transportation equipment technical field, especially relates to a kind of railway locomotive car door with buffering blocking function.

Background technology

At present; The locking mechanism of passenger train entrance door generally uses two-tube spring hinge, this product of Railway Special floor spring; Because rolling stock vibratory impulse in the process of moving makes performance, the reliability decrease of two-tube spring hinge; Cause occurring door and sagging can not automatically reseting occur, and the market price of Railway Special floor spring is expensive, so need a properties of product reliability height and the low relatively rotating shaft mechanism of price to satisfy the needs in market.

The utility model content

In view of this; The purpose of the utility model is to provide a kind of railway locomotive car door with buffering blocking function; It possesses the buffering locating effect at closing time opening, flexible movements, steady, safe and reliable, and simple in structure, easy to use, elegant in appearance, cost is low, practical.

For achieving the above object, the utility model adopts following technical scheme:

The railway locomotive car door with buffering blocking function of the utility model; Comprise left-hand door, right car door and guide rail; Guide rail and locomotive car body are fixedly linked; Also comprise pulley and cross over the steel rope that this pulley forms closed loop, left-hand door, right car door are captiveed joint with the upper and half of down of closed loop of steel rope respectively, and pulling left-hand door, right car door are done rightabout straight-line motion in the time of the steel rope motion; On the wherein Yishanmen of left-hand door, right car door, fixedly install a locating wheel; The two ends of corresponding car door stroke are provided with two shell fragments respectively on guide rail, are provided with draw-in groove on two shell fragments, can snap in draw-in groove respectively when locating wheel moves to end of travel with car door.

Further, said draw-in groove is formed by the V-type projection on the shell fragment; One side of V-type projection is a hypotenuse, and opposite side profile and locating wheel outer rim are coincide, the bottom rounding off of V-type projection.

Further, be not provided with on another winnowing machine door of said locating wheel cushion collar is set, on guide rail, end of travel that should winnowing machine door open position is provided with a block, when this winnowing machine door is opened, contact with block when cushion collar moves to end of travel with this car door.

Further, locating wheel is connected with car door through a locating plate; Shell fragment links to each other with guide rail with spring bracket through spring plank.

Further, this car door also is provided with door lock.

The beneficial effect of the utility model is:

In the utility model, do move toward one another and carry out in the process of switch door when steel rope drive left-hand door, right car door, wherein the locating wheel on the winnowing machine door can so just play buffering and blocking function in the car door end of travel snaps in the draw-in groove on the shell fragment; When the working portion of spring leaf was V-type, locating wheel touched after the spring leaf, with V-type part jack-up; After roller arrives at the V-type bottom; Continue to roll forward, this moment, the shell fragment V-type partly descended, and relied on V-type pressure partly to retrain the motion of roller; Thereby the motion of constraint car door can further improve the buffering blocking function; The stability that cushion collar and block can improve the car door locking further is set; Adopt spring plank can strengthen the rigidity of shell fragment and spring bracket connecting bridge.

Other advantages, target and the characteristic of the utility model will be set forth in specification sheets subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from the practice of the utility model, take a hint to investigating of hereinafter.The target of the utility model can realize through the structure that is particularly pointed out in following specification sheets and the accompanying drawing and obtain with other advantages.

Description of drawings

Fig. 1 is the scheme drawing of the utility model embodiment car door;

Fig. 2 is the partial enlarged drawing of car door left-hand door cushion collar position among Fig. 1;

Fig. 3 is the partial enlarged drawing of Fig. 1 right-of-center in political views's car door locating wheel and left Location resilient piece position;

Fig. 4 is the partial enlarged drawing of the right Location resilient piece of Fig. 1 right-of-center in political views's car door position.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

In conjunction with Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; Railway locomotive car door in the present embodiment with buffering blocking function; Comprise left-hand door 11, right car door 10 and guide rail 15; Guide rail 15 is fixedly linked with locomotive car body, also comprises left chain wheel 14, right pulley 7 and crosses over the steel rope that this left and right pulley forms closed loop, and the steel rope of closed loop is divided into upper steel rope 13 and following half of steel rope 12; Left-hand door 11 is captiveed joint with upper steel rope 13 through positioning clamping plate 3; Right car door 10 is captiveed joint with half of steel rope 12 down through grip block 5, so, steel rope along pulley motion the time while then can spur left-hand door 11, right car door 10 is done rightabout straight-line motion; On right car door 10, fixedly install a locating wheel 4 through locating plate 8; The two ends of corresponding right car door 10 strokes are provided with left shell fragment 16 and right shell fragment 6 respectively on guide rail 15; Be provided with draw-in groove on left side shell fragment 16 and the right shell fragment 6; Can snap in draw-in groove respectively when locating wheel moves to end of travel with car door, in the present embodiment, draw-in groove is formed by the V-type projection on the shell fragment; One side of V-type projection is a hypotenuse, and opposite side profile and locating wheel outer rim are coincide, the bottom rounding off of V-type projection.Be not provided with on the left-hand door 11 of locating wheel and fixedly install cushion collar 2 through positioning clamping plate 3; The end of travel of corresponding left-hand door 11 open positions is provided with a block 1 on guide rail 15; When left-hand door 11 is opened; Contact with block 1 when cushion collar 2 moves to end of travel with left-hand door 11, receive block 1 restriction.Locating wheel 4 is connected with car door through a locating plate.Right shell fragment 6 links to each other with guide rail 15 with spring bracket 18 through spring plank 17, and in like manner left shell fragment 16 also links to each other with guide rail 15 with spring bracket through the spring-like supporting plate.The car door of present embodiment also is provided with door lock 9.

In the use; When car door opening, when right car door 10 moved right its end of travel, the locating wheel 4 on the right car door 10 was rolled to the position of right shell fragment 6; Locating wheel 4 boosts right shell fragment 6 along the left side of the V-type projection of right shell fragment 6; Be stuck in the right side of the V-type projection of right shell fragment 6 after locating wheel 4 rolls bottom the V-type projection of right shell fragment 6, slow down in this process, right shell fragment 6 plays buffering and positioning action.During car door opening; When right car door 10 moves right; Left-hand door 11 is to left movement; Left-hand door 11 also reached the end of travel of its motion left when right car door 10 reached end of travel to the right, and the cushion collar 2 on this moment left-hand door 11 contacts with the block 1 on the guide rail 15, and left-hand door 11 also suffers restraints to left movement.Produce the effect of buffering locating locking when left and right sides car door opening arrives end of travel thus simultaneously.

When closing of the door, beginning to left movement of right car door 10 continues motion left behind the right shell fragment 6 of locating wheel 4 rolling disengagings, and left-hand door 11 moves right simultaneously.When right car door 10 arrives its end of travel; Locating wheel 4 on the right car door 10 is rolled to the position of left shell fragment 16; Locating wheel 4 boosts left shell fragment 16 along the right side of the V-type projection of left shell fragment 6; Be stuck in the left side of the V-type projection of left shell fragment 16 after locating wheel 4 rolls bottom the V-type projection of left shell fragment 16, slow down in this process, left shell fragment 16 plays buffering and positioning action; Meanwhile; Left-hand door 11 moves right the end of travel that also reaches its motion, and right car door 10 contacts with left-hand door 11, and right car door 10 receives the constraint of left-hand door 11 to left movement; Left-hand door 11 moves right the constraint that receives right car door 10, and this moment, door was closed the location.

Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Other modifications that those of ordinary skills make the technical scheme of the utility model perhaps are equal to replacement; Only otherwise break away from the spirit and the scope of the utility model technical scheme, all should be encompassed in the middle of the claim scope of the utility model.

Claims

1. one kind has the railway locomotive car door that cushions blocking function; Comprise left-hand door, right car door and guide rail; Guide rail and locomotive car body are fixedly linked; It is characterized in that: also comprise pulley and cross over the steel rope that this pulley forms closed loop, left-hand door, right car door are captiveed joint with the upper and half of down of closed loop of steel rope respectively, and pulling left-hand door, right car door are done rightabout straight-line motion in the time of the steel rope motion; On the wherein Yishanmen of left-hand door, right car door, fixedly install a locating wheel; The two ends of corresponding car door stroke are provided with two shell fragments respectively on guide rail, are provided with draw-in groove on two shell fragments, can snap in draw-in groove respectively when locating wheel moves to end of travel with car door.

2. a kind of railway locomotive car door according to claim 1 with buffering blocking function, it is characterized in that: said draw-in groove is formed by the V-type projection on the shell fragment; One side of V-type projection is a hypotenuse, and opposite side profile and locating wheel outer rim are coincide, the bottom rounding off of V-type projection.

3. a kind of railway locomotive car door according to claim 1 and 2 with buffering blocking function; It is characterized in that: be not provided with on another winnowing machine door of said locating wheel cushion collar is set; On guide rail, end of travel that should winnowing machine door open position is provided with a block; When this winnowing machine door is opened, when moving to end of travel with this car door, cushion collar contacts with block.

4. a kind of railway locomotive car door according to claim 3 with buffering blocking function, it is characterized in that: locating wheel is connected with car door through a locating plate; Shell fragment links to each other with guide rail with spring bracket through spring plank.

5. a kind of railway locomotive car door with buffering blocking function according to claim 4, it is characterized in that: this car door also is provided with door lock.