CN216239638U

CN216239638U - Liftable subway maintenance car

Info

Publication number: CN216239638U
Application number: CN202122769853.XU
Authority: CN
Inventors: 郑德粮; 刘潇; 郝刚
Original assignee: Beijing Jiutongqu Testing Technology Co ltd
Current assignee: Beijing Jiutongqu Testing Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-08
Anticipated expiration: 2031-11-12

Abstract

The utility model belongs to the field of subway maintenance tools, and particularly relates to a liftable subway maintenance vehicle which comprises a rail trolley moving on a ground rail and a lifter arranged on the rail trolley, wherein a lifting platform of the lifter is provided with a pedal which is rotationally connected with the surface of the lifting platform and is used for standing a worker, one end of the pedal is provided with a balancing weight for balancing the pedal, and the other end of the pedal is provided with an extension mechanism for extending the length size of the pedal. The utility model adopts the lifter, and the lifting platform of the lifter is provided with the pedal, so that an operator can move on the pedal and can lift the pedal at the same time, thereby being convenient for overhauling subway channels with different heights and different positions.

Description

Liftable subway maintenance car

Technical Field

The utility model belongs to the field of subway overhaul tools, and particularly relates to a liftable subway overhaul tool.

Background

The subway is a rapid, large-traffic and electric power traction rail transit built in cities. The train runs on a totally closed line, the line located in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, and the English subway is an urban rail transit system which covers various underground and overground rights of roads in the urban area, has high density and high transportation capacity.

Subway channels need to be overhauled to guarantee the operation safety of subway, current subway tool car does not have the workstation of liftable, leads to inconvenient to the overhead subway channel to overhaul, and it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model adopts the lifter, and the lifting platform of the lifter is provided with the pedal, so that an operator can move on the pedal and can lift the pedal at the same time, thereby being convenient to overhaul subway channels with different heights and different positions and meeting the use requirements.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a subway tool car of liftable, includes the small rail car that moves on the ground rail and sets up the lift on small rail car, and the lift elevating platform is equipped with the face and rotates rather than being connected, and is used for the staff's of standing footboard, and footboard one end is equipped with the balancing weight that is used for balanced footboard, and the other end is equipped with the extension mechanism that is used for prolonging footboard length dimension.

Further, a fulcrum shaft for supporting the pedal to rotate is rotatably connected to the elevator platform.

Furthermore, the pedal is rotatably connected with a transmission shaft, one end of the transmission shaft is connected with a gear, and one side of the gear is meshed with a gear ring sleeved on the fulcrum shaft.

Further, the vertical setting of transmission shaft, transmission shaft bottom and gear connection, and the footboard top surface is worn out on the top, and the axle body that the footboard top surface was worn out to the gear is equipped with the worm wheel, and the meshing of worm wheel one side has the worm, and worm fixed mounting is at the axle body of the pivot that the level set up, and transmission shaft and pivot are passed through the bearing and are connected at the casing of footboard top surface, and the pivot is equipped with and is used for driving its pivoted drive assembly.

Further, the driving component is a hand wheel or a motor.

Furthermore, the top surface of the pedal is provided with a guardrail along the side edge of the length direction.

Further, extension mechanism package extension plate, footboard top surface sliding connection has the extension plate, and the one end that the balancing weight was kept away from to the footboard top surface is fixed with and is used for supporting the gliding L shape clamp plate of extension plate, and the extension plate top surface is equipped with the rail along length direction.

Furthermore, a limiting plate is fixed at one end of the extension plate corresponding to the balancing weight.

Compared with the prior art, the utility model has the beneficial effects that:

through small rail car at the track displacement, support and drive the footboard through the lift and go up and down, it is rotatory to drive the pivot through the hand wheel, it is rotatory that the pivot drives the worm in step, it is rotatory to make the worm meshing drive worm wheel and transmission shaft, it is rotatory to drive transmission shaft synchronous motion gear, gear meshing drives ring gear and fulcrum rotation, and then make the footboard rotatory, make the footboard orientation different direction, the staff who conveniently stands on the footboard overhauls in to the subway passageway, when the length of footboard can not reach the position of needs, make the extension plate slide and stretch out the footboard, then the length of extension footboard, thereby can reach farther place, satisfy the user demand.

Additional features of the utility model and advantages thereof will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

figure 1 is a first isometric view of a liftable subway maintenance vehicle according to the utility model;

figure 2 is a second perspective view of a liftable subway maintenance vehicle according to the utility model;

figure 3 is a third axis perspective view of a liftable subway maintenance vehicle according to the present invention;

fig. 4 is a schematic diagram of a worm structure of the liftable subway maintenance vehicle.

The reference numerals are explained below:

101. a rail trolley; 102. an elevator; 103. a fulcrum; 104. a pedal; 105. a balancing weight; 106. a guardrail; 107. a ring gear; 108. a gear; 109. a drive shaft; 110. a worm gear; 111. a worm; 112. a rotating shaft; 113. a hand wheel; 201. an extension plate; 202. a limiting plate; 203. an L-shaped pressing plate; 204. and (4) fencing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a subway tool car of liftable, includes small rail car 101 and the lift 102 of setting on small rail car 101 that moves on the ground rail, and lift 102 elevating platform is equipped with the face and rotates rather than being connected, and is used for the staff's of standing footboard 104, and footboard 104 one end is equipped with the balancing weight 105 that is used for balanced footboard 104, and the other end is equipped with the extension mechanism that is used for prolonging footboard 104 length dimension.

Preferably, a fulcrum shaft 103 for supporting the pedal 104 to rotate is rotatably connected to the elevating platform of the elevator 102.

Preferably, the pedal 104 is rotatably connected with a transmission shaft 109, one end of the transmission shaft 109 is connected with a gear 108, and one side of the gear 108 is engaged with a gear ring 107 sleeved on the fulcrum 103.

Preferably, the transmission shaft 109 is vertically arranged, the bottom end of the transmission shaft 109 is connected with the gear 108, the top end of the transmission shaft penetrates out of the top surface of the pedal 104, the shaft body of the gear 108 penetrating out of the top surface of the pedal 104 is provided with a worm wheel 110, one side of the worm wheel 110 is engaged with a worm 111, the worm 111 is fixedly installed on the shaft body of a rotating shaft 112 horizontally arranged, the transmission shaft 109 and the rotating shaft 112 are connected with a shell 114 installed on the top surface of the pedal 104 through bearings, the shell 114 is used for supporting the transmission shaft 109 and the rotating shaft 112 through the bearings, the rotating shaft 112 is provided with a driving assembly for driving the rotation of the rotating shaft 112, and the pedal 104 can be overhauled in a wider range by rotating.

Preferably, the drive assembly is a handwheel 113 or motor.

Preferably, the top surface of the step plate 104 is provided with a guardrail 106 along the side edge of the length direction, and the guardrail 106 blocks the operator from falling off.

Preferably, the extension mechanism comprises an extension plate 201, the top surface of the pedal 104 is slidably connected with the extension plate 201, one end of the top surface of the pedal 104, which is far away from the counterweight 105, is fixed with an L-shaped pressing plate 203 for supporting the extension plate 201 to slide, the extension plate 201 is pressed inside by the L-shaped pressing plate 203, and the top surface of the extension plate 201 is provided with a fence 204 along the length direction.

Preferably, a limiting plate 202 is fixed at one end of the extension plate 201 corresponding to the counterweight 105, and the extension plate 201 is prevented from falling off from the pedal 104 by the limiting of the limiting plate 202 and the support of the L-shaped pressing plate 203.

The working principle and the using process of the utility model are as follows: through small rail car 101 at the track displacement, support and drive footboard 104 through lift 102 and go up and down, it is rotatory to drive pivot 112 through hand wheel 113, pivot 112 drives worm 111 rotatoryly in step, it is rotatory to make worm 111 mesh drive worm wheel 110 and transmission shaft 109, transmission shaft 109 drives synchronous gear 108 rotatory, gear 108 meshes and drives ring gear 107 and fulcrum 103 rotatory, and then make footboard 104 rotatory, make footboard 104 towards different directions, the staff who conveniently stands on footboard 104 overhauls in the subway passageway, when the length of footboard 104 can not reach the position that needs, make extension plate 201 slide and stretch out footboard 104, then the length of extension footboard 104, thereby can reach farther place, satisfy the user demand.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides a subway tool car of liftable which characterized in that: including small rail car (101) and lift (102) of setting on small rail car (101) that move on the ground rail, lift (102) elevating platform is equipped with the face and rotates rather than being connected, and is used for staff's of standing footboard (104), and footboard (104) one end is equipped with balancing weight (105) that are used for balanced footboard (104), and the other end is equipped with the extension mechanism that is used for prolonging footboard (104) length size.

2. A liftable subway maintenance vehicle according to claim 1, characterized in that: a fulcrum shaft (103) for supporting the pedal (104) to rotate is rotatably connected with the lifting platform of the lifter (102).

3. A liftable subway maintenance vehicle according to claim 2, characterized in that: the pedal (104) is rotatably connected with a transmission shaft (109), one end of the transmission shaft (109) is connected with a gear (108), and one side of the gear (108) is meshed with a gear ring (107) sleeved on the fulcrum shaft (103).

4. A liftable subway maintenance vehicle according to claim 3, characterized in that: transmission shaft (109) vertical setting, transmission shaft (109) bottom is connected with gear (108), and footboard (104) top surface is worn out on the top, the axle body that footboard (104) top surface was worn out in gear (108) is equipped with worm wheel (110), worm wheel (110) one side meshing has worm (111), worm (111) fixed mounting is at the axle body of the pivot (112) of level setting, transmission shaft (109) and pivot (112) are connected through bearing and casing (114) of installing at footboard (104) top surface, pivot (112) are equipped with and are used for driving its pivoted drive assembly.

5. A liftable subway maintenance vehicle according to claim 4, characterized in that: the driving component is a hand wheel (113) or a motor.

6. A liftable subway maintenance vehicle according to any one of claims 1-4, characterized in that: the top surface of the pedal (104) is provided with a guardrail (106) along the side edge of the length direction.

7. A liftable subway maintenance vehicle according to claim 1, characterized in that: extension mechanism package extension board (201), footboard (104) top surface sliding connection has extension board (201), and the one end that balancing weight (105) were kept away from to footboard (104) top surface is fixed with L shape clamp plate (203) that are used for supporting extension board (201) gliding, and extension board (201) top surface is equipped with rail (204) along length direction.

8. A liftable subway maintenance vehicle according to claim 7, characterized in that: a limiting plate (202) is fixed at one end of the extension plate (201) corresponding to the balancing weight (105).