CN214611334U

CN214611334U - Movable car lifting jack for railway vehicle

Info

Publication number: CN214611334U
Application number: CN202120817172.3U
Authority: CN
Inventors: 伍漫永
Original assignee: Hunan Jinsheng Rail Transit Equipment Co ltd
Current assignee: Hunan Jinsheng Rail Transit Equipment Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-05
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a movable car lifting jack for rail vehicles, which comprises a manual forklift, a frame, a lifting mechanism and a transmission mechanism; the rack is detachably arranged on the manual forklift and comprises a base, an upright post and a top seat, wherein the upright post is vertically arranged on the base, and the top seat is arranged at the top of the upright post; the lifting mechanism can be arranged on the front side of the upright post in a vertically lifting manner and is positioned above the base; the transmission mechanism is arranged on the frame and drives the lifting mechanism to lift up and down. Through setting up the frame on manual fork truck, manual fork truck drives frame, elevating system and drive mechanism bodily movement and goes up and down to cooperation drive mechanism drives elevating system and goes up and down, makes this equipment remove conveniently, and the lift stroke is longer, satisfies the needs that use, offers convenience for the use.

Description

Movable car lifting jack for railway vehicle

Technical Field

The utility model belongs to the technical field of the car lifting jack field and specifically relates to indicate a portable car lifting jack of rail vehicle.

Background

With the rapid development of cities, the traditional road traffic is abnormally congested, and the requirements of people on going to and from work and going out are difficult to meet. The rail transit has the advantages that the one-time carrying capacity is large, the number of operation shifts is large, congestion cannot occur in collective regulation and control, and the like, and the rail transit is vigorously developed.

In order to ensure the safety of rail traffic, after the rail vehicle runs for a period of time, the wheel sets in the bogies and other parts at the bottom of the train need to be overhauled or replaced, and when in maintenance, the whole train of grouped vehicles need to be lifted to a certain height so as to replace the bogies and other parts at the bottom of the vehicles.

During maintenance, the carriages of the vehicle are required to be lifted by the fixed lifting equipment or the crown block to be separated from the chassis, so that the vehicle is convenient to maintain, the maintained vehicle is often moved to a position, a plurality of fixed lifting equipment or crown blocks are required to be arranged in a maintenance workshop, the effective working use area of the workshop is reduced, the number of equipment is increased, particularly, when a plurality of sections of vehicles are required to be maintained, each carriage is required to be moved to the position, the maintenance time of the vehicles is long, the occupied equipment is more, the efficiency is low, the vehicles are easy to collide with due to lifting, the outer surfaces of the vehicles are damaged, certain potential safety hazards exist, the safety production is influenced, the maintenance cost is increased, and when the carriages are lifted or lowered by the fixed lifting equipment, the synchronous lifting or descending can not be really realized, and accidents are easy to happen.

The car lifting jack is equipment for lifting a car body from the bottom of the car body, and the car body cannot be damaged in the lifting process. However, the existing car lifting jack generally has the problem of inconvenient movement, and the lifting stroke is short, which brings trouble to the use. Therefore, there is a need for an improved car lifting jack.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a mobile car lifting jack for rail vehicles, which can effectively solve the problems of inconvenient movement and short lifting stroke of the existing car lifting jack.

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

a movable car lifting jack for rail vehicles comprises a manual forklift, a frame, a lifting mechanism and a transmission mechanism; the rack is detachably arranged on the manual forklift and comprises a base, an upright post and a top seat, wherein the upright post is vertically arranged on the base, and the top seat is arranged at the top of the upright post; the lifting mechanism can be arranged on the front side of the upright post in a vertically lifting manner and is positioned above the base; the transmission mechanism is arranged on the frame and drives the lifting mechanism to lift up and down.

Preferably, the base comprises a bottom plate and machine legs arranged on the left side and the right side of the bottom plate.

Preferably, the two upright posts are arranged on the left and right, the top seat is connected between the tops of the two upright posts, and the transmission mechanism comprises a lead screw and a motor; the screw rod extends up and down, the lower end of the screw rod is rotationally connected with the base, the upper end of the screw rod is rotationally connected with the top seat, and the lifting mechanism is positioned between the two upright posts and is in threaded connection with the screw rod; the motor is fixed on the top seat and drives the screw rod to rotate back and forth.

Preferably, an electric cabinet is arranged on the outer side of one of the upright columns, and the motor is electrically connected with the electric cabinet.

Preferably, a limit switch assembly is arranged on the rear side face of the upper end of one of the upright columns and is electrically connected with the electric cabinet.

Preferably, a warning lamp is arranged on the top seat and electrically connected with the electric cabinet.

Preferably, the outer side surfaces of the upper ends of the two upright posts are symmetrically provided with limiting blocking pieces.

Preferably, elevating system is including two lifter plates, and two lifter plates interval settings about, connect fixedly through pull rod assembly between two lifter plates, and the front end downside of two lifter plates is connected with front end plate and holds in the palm the head board, is connected with the front axle between two lifter plates, rear axle and lower shaft, and first gyro wheel is all installed at the both ends of this front axle, and this first gyro wheel supports on the leading flank of two stands, and the second gyro wheel is all installed at the both ends of this rear axle, and this second gyro wheel supports on the trailing flank of two stands, and this lower shaft is located the below of front axle, and the third gyro wheel is all installed at the both ends of lower shaft, and this third gyro wheel supports on the leading flank of two stands.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through setting up the frame on manual fork truck, manual fork truck drives frame, elevating system and drive mechanism bodily movement and goes up and down to cooperation drive mechanism drives elevating system and goes up and down, makes this equipment remove conveniently, and the lift stroke is longer, satisfies the needs that use, offers convenience for the use.

To more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a perspective view of a preferred embodiment of the present invention;

FIG. 2 is a rear view of the preferred embodiment of the present invention;

fig. 3 is a side view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. manual forklift 20 and frame

21. Base 211, bottom plate

212. Machine leg 22 and upright post

221. Limiting barrier piece 23 and footstock

30. Lifting mechanism 31 and lifting plate

32. Drawbar assembly 33, front end plate

34. Bracket plate 35 and front shaft

36. Rear axle 37, lower axle

301. A first roller 302 and a second roller

303. Third roller 40 and transmission mechanism

41. Screw 42, motor

51. Electric cabinet 52 and limit switch assembly

53. Warning lamp

Detailed Description

Referring to fig. 1 to 3, a specific structure of a preferred embodiment of the present invention is shown, which includes a manual forklift 10, a frame 20, a lifting mechanism 30 and a transmission mechanism 40.

The specific structure and operation of the manual forklift 10 are well known in the art, and the specific structure and operation of the manual forklift 10 will not be described in detail herein.

The frame 20 is detachably arranged on the manual forklift 10, the frame 20 comprises a base 21, a stand column 22 and a top seat 23, the stand column 22 is vertically arranged on the base 21, and the top seat 23 is arranged at the top of the stand column 22; in this embodiment, the base 21 includes a bottom plate 211 and two legs 212 disposed at the left and right sides of the bottom plate 211, the two upright columns 22 are disposed at the left and right sides, and the top base 23 is connected between the tops of the two upright columns 22; and the outer side surfaces of the upper ends of the two upright columns 22 are symmetrically provided with limiting blocking pieces 221.

The lifting mechanism 30 is arranged at the front side of the upright post 22 and positioned above the base 21 in a way of lifting up and down; in this embodiment, the lifting mechanism 30 includes two lifting plates 31, the two lifting plates 31 are arranged at left and right intervals, the two lifting plates 31 are connected and fixed by a pull rod assembly 32, the lower sides of the front ends of the two lifting plates 31 are connected with a front end plate 33 and a head supporting plate 34, a front shaft 35, a rear shaft 36 and a lower shaft 37 are connected between the two lifting plates 31, two ends of the front shaft 35 are respectively provided with a first roller 301, the first rollers 301 are abutted against the front side surfaces of the two upright posts 22, two ends of the rear shaft 36 are respectively provided with a second roller 302, the second rollers 302 are abutted against the rear side surfaces of the two upright posts 22, the lower shaft 37 is positioned below the front shaft 35, two ends of the lower shaft 37 are respectively provided with a third roller 303, and the third rollers 303 are abutted against the front side surfaces of the two upright posts 22, so that the lifting mechanism 30 smoothly slides and lifts along the upright posts 22.

The transmission mechanism 40 is disposed on the frame 20 and drives the lifting mechanism 30 to move up and down. In the present embodiment, the transmission mechanism 40 includes a lead screw 41 and a motor 42; the lead screw 41 extends up and down, the lower end of the lead screw 41 is rotatably connected with the base 21, the upper end of the lead screw 41 is rotatably connected with the top base 23, and the lifting mechanism 30 is positioned between the two upright posts 22 and is in threaded connection with the lead screw 41; the motor 42 is fixed on the top base 23 and drives the screw 41 to rotate back and forth.

And, the outer side of one of the columns 22 is provided with an electric cabinet 51, and the motor 42 is electrically connected with the electric cabinet 51; in addition, a limit switch assembly 52 is arranged on the rear side surface of the upper end of one of the upright columns 22, and the limit switch assembly 52 is electrically connected with the electric cabinet 51; in addition, a warning light 53 is arranged on the top seat 23, and the warning light 53 is electrically connected with the electric cabinet 51.

Detailed description the working principle of the present embodiment is as follows:

when the manual forklift works, the manual forklift 10 is pushed, the rack 20, the lifting mechanism 30 and the transmission mechanism 40 are moved to the side of the rail vehicle, then the manual forklift 10 is manually lifted, the rack 20, the lifting mechanism 30 and the transmission mechanism 40 are lifted synchronously, the lifting mechanism 30 is abutted to the side of the rail vehicle, then the transmission mechanism 40 is started, the transmission mechanism 40 drives the lifting mechanism 30 to lift, so as to support the rail vehicle, the stroke of the lifting mechanism 30 is 1600mm, the rail vehicle can be supported and separated from the bottom surface by 150 mm and 1750mm, in the supporting process, the warning lamp 53 is kept on to play a warning role, when the lifting mechanism 30 is lifted and triggers the limit switch assembly 52, the electric cabinet 51 controls the transmission mechanism 40 to stop working, and the lifting mechanism 30 stops lifting.

The utility model discloses a design key is: through setting up the frame on manual fork truck, manual fork truck drives frame, elevating system and drive mechanism bodily movement and goes up and down to cooperation drive mechanism drives elevating system and goes up and down, makes this equipment remove conveniently, and the lift stroke is longer, satisfies the needs that use, offers convenience for the use.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a portable car lifting jack of rail vehicle which characterized in that: comprises a manual forklift, a frame, a lifting mechanism and a transmission mechanism; the rack is detachably arranged on the manual forklift and comprises a base, an upright post and a top seat, wherein the upright post is vertically arranged on the base, and the top seat is arranged at the top of the upright post; the lifting mechanism can be arranged on the front side of the upright post in a vertically lifting manner and is positioned above the base; the transmission mechanism is arranged on the frame and drives the lifting mechanism to lift up and down.

2. The mobile rail car lifting jack of claim 1, wherein: the base comprises a bottom plate and machine legs arranged on the left side and the right side of the bottom plate.

3. The mobile rail car lifting jack of claim 1, wherein: the two upright posts are arranged on the left and right, the top seat is connected between the tops of the two upright posts, and the transmission mechanism comprises a lead screw and a motor; the screw rod extends up and down, the lower end of the screw rod is rotationally connected with the base, the upper end of the screw rod is rotationally connected with the top seat, and the lifting mechanism is positioned between the two upright posts and is in threaded connection with the screw rod; the motor is fixed on the top seat and drives the screw rod to rotate back and forth.

4. The mobile rail car lifting jack of claim 3, wherein: an electric cabinet is arranged on the outer side of one of the upright columns, and the motor is electrically connected with the electric cabinet.

5. The mobile rail car lifting jack of claim 4, wherein: and a limit switch assembly is arranged on the rear side surface of the upper end of one of the upright columns and is electrically connected with the electric cabinet.

6. The mobile rail car lifting jack of claim 4, wherein: and a warning lamp is arranged on the top seat and is electrically connected with the electric cabinet.

7. The mobile rail car lifting jack of claim 3, wherein: and the outer side surfaces of the upper ends of the two upright posts are symmetrically provided with limiting blocking pieces.

8. The mobile rail car lifting jack of claim 3, wherein: the lifting mechanism comprises two lifting plates, the two lifting plates are arranged at intervals, the two lifting plates are fixedly connected through a pull rod assembly, a front end plate and a head supporting plate are connected to the lower sides of the front ends of the two lifting plates, a front shaft, a rear shaft and a lower shaft are connected between the two lifting plates, first idler wheels are mounted at the two ends of the front shaft and abut against the front side faces of the two stand columns, second idler wheels are mounted at the two ends of the rear shaft and abut against the rear side faces of the two stand columns, the lower shaft is located below the front shaft, third idler wheels are mounted at the two ends of the lower shaft and abut against the front side faces of the two stand columns.