CN220012012U - Subway bogie lifting table - Google Patents

Abstract

The utility model discloses a subway bogie lifting table which comprises a vertical base, a total lifting frame, a bearing frame, supporting columns and a pit panel, wherein the bearing frame is arranged below the pit panel, four supporting columns are rectangular at the upper end of the bearing frame, and the four supporting columns penetrate through the pit panel; the upper end of the vertical base penetrates through the bearing frame, the total lifting frame is connected to the lower end of the bearing frame, and the total lifting frame is connected to the vertical base in a sliding manner along the vertical direction; a screw rod transmission assembly for driving the total lifting frame to lift along the vertical base is arranged between the bearing frame and the vertical base. The utility model utilizes the screw rod transmission assembly to control the lifting of the total lifting frame, so that the on-site one-key control is conveniently carried out, or the remote control is realized, the automation is high, the total lifting frame drives the bearing frame to lift, and the bearing frame drives the four supporting columns to lift simultaneously, so that the subway bogie clamped on the four supporting columns is lifted to a specified position, and the overhaul operation is conveniently carried out.

Description

Subway bogie lifting table

Technical Field

The utility model belongs to the technical field of maintenance equipment for rail transit, and particularly relates to a lifting table for a subway bogie.

Background

When the bogie for the rail transit vehicle is assembled or overhauled, the power and the transmission device of the bogie are required to be assembled or disassembled for overhauling, and the workload is much larger than that of a bogie without power. Therefore, in order to facilitate manual operation, reduce labor intensity, improve maintenance efficiency and product quality, and ensure operation safety of railway vehicles, it is generally necessary to lift the bogie to a certain height and then perform operation, and for this purpose, a special bogie lifting device is required to lift the bogie to an operation height so as to ensure operation safety, and therefore, an apparatus capable of automatically driving the metro bogie to lift is required to control the lifting of the metro bogie so as to realize maintenance of the metro bogie.

Disclosure of Invention

The utility model aims to provide a subway bogie lifting table which is used for solving the problems in the prior art.

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

the utility model provides a subway bogie promotes platform, includes vertical base, total hoisting frame, bearing frame, support stand and pit panel, and the bearing frame is installed in the below of pit panel, and the upper end of bearing frame is the rectangle and distributes has four support stand, and four support stand all run through the pit panel; the upper end of the vertical base penetrates through the bearing frame, the total lifting frame is connected to the lower end of the bearing frame, and the total lifting frame is connected to the vertical base in a sliding manner along the vertical direction; and a screw rod transmission assembly for driving the total lifting frame to lift along the vertical base is arranged between the bearing frame and the vertical base.

As a preferable technical scheme in the utility model, the supporting upright posts comprise four upright posts and four wheel clamps which are matched and clamped with wheels of the subway bogie, the four upright posts are connected to the upper end of the bearing frame in a rectangular distribution manner, and the middle parts of the four upright posts penetrate through the pit panel; the four wheel clamps are respectively arranged at the upper parts of the four upright posts.

As a preferable technical scheme in the utility model, four wheel clamps are arranged on the side surfaces of the corresponding upright posts respectively, each wheel clamp is provided with at least one first strip hole extending along the horizontal direction, each first strip hole is internally provided with a locking bolt for propping the wheel clamp against the corresponding upright post respectively, and the locking bolt is in threaded connection with the corresponding upright post.

As a preferable technical scheme in the utility model, the vertical base comprises a base bottom plate, a base top plate and two vertical stand columns which are parallel to each other, wherein the lower ends of the two vertical stand columns are connected with the base bottom plate, and the upper ends of the two vertical stand columns are connected with the base top plate; the total lifting frame is connected between the two vertical upright posts in a sliding manner along the vertical direction.

As a preferable technical scheme in the utility model, at least one first roller group and at least one second roller group are arranged on the total lifting frame, and the first roller group and the second roller group are respectively arranged on two sides corresponding to the two vertical upright posts.

As a preferable technical scheme in the utility model, the screw rod transmission assembly comprises a driving motor, a screw rod driven by the driving motor and a working nut in threaded connection with the outside of the screw rod, wherein the working nut is connected with the total lifting frame; the driving motor is arranged on the base top plate, the screw rod is arranged between the two vertical upright posts, two ends of the screw rod are respectively connected with the base bottom plate and the base top plate in a rotating way, and the working nut is fixedly connected or rotationally connected with the total lifting frame.

As a preferable technical scheme in the utility model, the middle part of the total lifting frame is provided with an upper limiting plate, the middle part of the upper limiting plate is provided with a screw through hole which is convenient for a screw to pass through, and the lower ends of the upper limiting plates at two sides of the screw through hole are connected with two L-shaped limiting pieces; the work nut is provided with the spacing ring outward, and the upper end and the last limiting plate butt of spacing ring, the lower extreme of two L shape locating parts are the horizontal plate structure of butt in the spacing ring lower extreme.

As a preferable technical scheme in the utility model, the screw rod transmission assembly further comprises a safety nut, wherein the safety nut is in threaded connection with the outside of the screw rod below the working nut, the safety nut is connected with the working nut through at least two connecting plates, and the hardness of the screw rod and the safety nut is greater than that of the working nut; the lower end of the connecting plate is connected with the safety nut through a first bolt, and the upper end of the connecting plate is connected with the working nut through a second bolt; the upper end of the connecting plate is provided with a second strip hole extending along the vertical direction, a screw rod of a second bolt penetrates through the second strip hole and is connected with a working nut, and a nut of the second bolt is pressed on the connecting plate.

As a preferable technical scheme in the utility model, four limit bearings are arranged on the total lifting frame, the inner rings of the four limit bearings are connected with the total lifting frame, the outer rings of the two limit bearings are contacted with one surface of one vertical upright post, which is close to the screw rod, and the outer rings of the other two limit bearings are contacted with one surface of the other vertical upright post, which is close to the screw rod.

As a preferable technical scheme in the utility model, a channel cover plate and a motor cover plate are arranged on the pit panel, the motor cover plate is positioned above the screw rod transmission assembly, and the channel cover plate is positioned on one side of the bearing frame in the horizontal direction; the bottom surface of the bearing frame on two sides of each supporting upright post is rotationally connected with a limiting roller, and the limiting roller is contacted with the vertical surface of the bearing frame.

The beneficial effects are that: when the device works, the screw rod transmission assembly is used for controlling the lifting of the total lifting frame, so that the on-site one-key control is convenient, or the remote control is convenient, the automation is high, the total lifting frame drives the bearing frame to lift, and the bearing frame drives the four supporting columns to lift simultaneously, so that the four supporting columns can lift from the pit to the upper surface of the pit panel, and the subway bogie clamped on the four supporting columns is lifted to a designated position, so that the maintenance operation is convenient, and meanwhile, the operation of the device can not damage the pit panel.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a side view of the present utility model;

FIG. 5 is a schematic view of a portion of the structure of the present utility model in a front view;

FIG. 6 is an enlarged schematic view of portion B of FIG. 5;

FIG. 7 is a schematic perspective view of a part of the structure of the present utility model;

fig. 8 is a schematic diagram of the cooperation of the present utility model with a metro bogie in a front view.

In the figure: 1-a vertical base; 101-a base bottom plate; 102-a base top plate; 103-vertical columns; 2-total lifting frame; 201-a first roller set; 202-a second roller set; 203-an upper limit plate; 204-L-shaped limiting pieces; 205-limit bearings; 3-a bearing frame; 4-supporting columns; 401-upright posts; 402-wheel card; 403-locking bolts; 5-pit panels; 501-a channel cover plate; 502-motor cover plate; 503-limiting idler wheels; 6-a screw rod transmission assembly; 601-driving a motor; 602-a lead screw; 603-working nut; 604-a stop collar; 605-a safety nut; 606-connecting plates; 607-a second elongated aperture; 7-subway bogie.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.

Examples:

as shown in fig. 1-8, the present embodiment provides a subway bogie lifting platform, which comprises a vertical base 1, a total lifting frame 2, a bearing frame 3, a supporting column 4 and a pit panel 5, wherein the pit panel 5 is flush with a horizontal plane, a pit is arranged below the pit panel 5, the vertical base 1, the total lifting frame 2 and the bearing frame 3 are all installed in the pit, and the supporting column 4 can rise to the upper side of the pit panel 5 from the inside of the pit, so that the subway bogie 7 can be lifted conveniently, and overhaul operation is convenient.

Specifically, the bearing frame 3 is installed in the below of pit panel 5, and the upper end of bearing frame 3 is the rectangle and distributes and have four support post 4, and four support post 4 all run through pit panel 5, make things convenient for four support post 4 to go up and down relative pit panel 5, also can utilize pit panel 5 to carry out spacingly to four support post 4 simultaneously for four support post 4's lift is more stable.

The upper end of the vertical base 1 penetrates through the bearing frame 3, the total lifting frame 2 is connected to the lower end of the bearing frame 3, the total lifting frame 2 is connected to the vertical base 1 in a sliding manner along the vertical direction, and the bearing frame 3 can be driven to lift by utilizing the sliding of the total lifting frame 2 on the vertical base 1, namely, the four supporting upright posts 4 can be driven to lift; be provided with the lead screw drive assembly 6 that drives total hoisting frame 2 and go up and down along vertical base 1 between bearing frame 3 and the vertical base 1, conveniently through the control of lead screw drive assembly 6 for total hoisting frame 2 realizes going up and down, and then realizes four support columns 4 and goes up and down, just also can realize the purpose that automatic control subway bogie 7 lifted, simple structure and high efficiency.

When the device works, the screw rod transmission assembly 6 is used for controlling the lifting of the total lifting frame 2, so that the on-site one-key control is convenient, or the remote control is convenient, the automation is high, the total lifting frame 2 drives the bearing frame 3 to lift, and the bearing frame 3 drives the four support columns 4 to lift simultaneously, so that the four support columns 4 can lift from the pit to the upper surface of the pit panel 5, and the subway bogie 7 clamped on the four support columns 4 is lifted to a designated position, so that the overhaul operation is convenient, and meanwhile, the operation of the device does not damage the pit panel 5.

As a preferred implementation manner in this embodiment, it should be further explained that the supporting upright post 4 includes four upright posts 401 and four wheel clamps 402 for being matched with and clamped with wheels of the subway bogie 7, the upper end of the wheel clamp 402 is preferably provided with a trapezoid slot, the notch of the trapezoid slot gradually decreases from top to bottom, so that the wheels of the railway bogie are conveniently clamped into the trapezoid slot at the upper end of the wheel clamp 402, and further, the positioning of the subway bogie 7 is realized by using the four wheel clamps 402, the four upright posts 401 are connected to the upper end of the bearing frame 3 in rectangular distribution, and the middle parts of the four upright posts 401 penetrate through the pit panel 5, so that the four upright posts 401 can synchronously lift and do not damage the structure of the pit panel 5; four wheel clamps 402 are respectively installed on the upper parts of the four upright posts 401, so that the wheels of the subway bogie 7 can be conveniently clamped.

As a preferred embodiment in this embodiment, it should be further explained that, four wheel cards 402 are disposed on the side surfaces of the corresponding upright posts 401, at least one first elongated hole extending along the horizontal direction is disposed on each wheel card 402, a locking bolt 403 for tightly pressing the wheel card 402 against the corresponding upright post 401 is disposed in each first elongated hole, and the locking bolt 403 is in threaded connection with the corresponding upright post 401, because the screw of the locking bolt 403 passes through the first elongated hole, when the locking bolt 403 is loosened, the screw of the locking bolt 403 can be utilized to limit the wheel card 402, so that the wheel card 402 slides on the side surface of the upright post 401, the position of the wheel card 402 is adjusted by sliding, then the locking bolt 403 is screwed, and the wheel card 402 is locked again, so that the wheel card 402 can be more accurately clamped with the wheel of the metro bogie 7.

As a preferred implementation manner in this embodiment, it should be further explained that the vertical base 1 includes a base bottom plate 101, a base top plate 102, and two vertical columns 103 parallel to each other, wherein lower ends of the two vertical columns 103 are connected to the base bottom plate 101, and upper ends of the two vertical columns 103 are connected to the base top plate 102, so that the vertical base 1 forms an integral structure; the total lifting frame 2 is slidably connected between the two vertical upright posts 103 along the vertical direction, so that the total lifting frame 2 and the two vertical upright posts 103 can be matched with each other, and the total lifting frame 2 can be lifted more stably.

As a preferred embodiment in this embodiment, it needs to be further described that, at least one first roller set 201 and at least one second roller set 202 are installed on the total lifting frame 2, the first roller set 201 and the second roller set 202 are respectively disposed on two sides corresponding to the two vertical columns 103, the first roller set 201 and the second roller set 202 are mutually matched, so that the total lifting frame 2 can be lifted along the two vertical columns 103 more stably, and meanwhile, the first roller set 201 and the second roller set 202 are respectively disposed on two sides corresponding to the two vertical columns 103, so that limiting can be realized, balance of the total lifting frame 2 is ensured, and friction between the total lifting frame 2 and the two vertical columns 103 in the lifting process can be avoided.

As a preferred implementation manner in this example, it should be further explained that the screw driving assembly 6 includes a driving motor 601, a screw 602 driven by the driving motor 601, and a working nut 603 screwed to the outside of the screw 602, where the working nut 603 is connected to the total lifting frame 2; the driving motor 601 is installed on the base top plate 102, stability of the driving motor 601 is guaranteed, the driving motor 601 is preferably a three-in-one speed reducer comprising a motor and a speed reducer, driving and transmission devices are simple in structure, abnormal vibration and noise can be avoided during operation through selection of equipment, a stress state is better, the lead screw 602 is arranged between the two vertical upright posts 103, two ends of the lead screw 602 are respectively connected with the base bottom plate 101 and the base top plate 102 in a rotating mode, the working nut 603 is fixedly connected with the total lifting frame 2 or is in rotating connection, the lead screw 602 is guaranteed to rotate stably at a fixed position, the rotation of the lead screw 602 can drive the working nut 603 to spirally lift, the first roller group 201 and the second roller group 202 are matched with the two vertical upright posts 103 to limit the total lifting frame 2 to rotate, the lead screw 602 can be driven to be connected with the working nut 603 of the total lifting frame 2 to vertically lift, and the four supporting upright posts 4 can be driven to stably lift.

As a preferred implementation manner in this embodiment, it should be further explained that an upper limiting plate 203 is disposed in the middle of the total lifting frame 2, a screw through hole through which the screw 602 passes is disposed in the middle of the upper limiting plate 203, rotation of the screw 602 is not affected, and two L-shaped limiting members 204 are connected to the lower ends of the upper limiting plates 203 on two sides of the screw through hole; the work nut 603 is provided with the spacing ring 604 outward, and the upper end and the last limiting plate 203 butt of spacing ring 604, and the lower extreme of two L shape locating pieces 204 is the horizontal plate structure of butt in spacing ring 604 lower extreme, through the cooperation of last limiting plate 203 and two L shape locating pieces 204, can be in the same place the spacing ring 604 of connecting work nut 603 and total hoisting frame 2 locking, and then make the holy sword of work nut 603 can drive total hoisting frame 2 stable lift. It should be noted that, in practice, a spacer may be disposed at the upper end of the stop collar 604, so that the stop collar 604 may be more stably clamped between the upper stop plate 203 and the two L-shaped stop members 204.

As a preferred embodiment in this embodiment, it should be further described that the screw driving assembly 6 further includes a safety nut 605, the safety nut 605 is screwed on the outside of the screw 602 below the working nut 603, the safety nut 605 is connected with the working nut 603 through at least two connection plates 606, so that the working nut 603 can drive the safety nut 605 to passively lift in the lifting process, the working nut 603 is still used as a main bearing nut, the hardness of the screw 602 and the safety nut 605 is greater than that of the working nut 603, for example, the screw 602 and the safety nut 605 are both made of steel, and the working nut 603 is made of tin-copper, after a certain working time, if the working nut 603 serving as a bearing nut wears, the working nut 603 will loose, and at this time, the safety nut 605 will serve as a standby bearing nut to play a main role, thereby further improving the service life of the device; the lower end of the connecting plate 606 is connected with the safety nut 605 through a first bolt, and the upper end of the connecting plate 606 is connected with the working nut 603 through a second bolt, so that stable connection between the safety nut 605 and the working nut 603 is ensured; the upper end of the connecting plate 606 is provided with a second strip hole 607 extending along the vertical direction, a screw rod of a second bolt penetrates through the second strip hole 607 and is connected with the working nut 603, a nut of the second bolt is pressed on the connecting plate 606, after the working nut 603 loosens due to abrasion, the working nut 603 can be supported on the safety nut 605 in a sliding manner, the screw rod is stretched in a stress manner, and the service life of the screw rod is prolonged.

As a preferred embodiment in this embodiment, it should be further explained that, four limit bearings 205 are installed on the total lifting frame 2, inner rings of the four limit bearings 205 are connected with the total lifting frame 2, outer rings of the two limit bearings 205 are contacted with one side of the vertical upright post 103 close to the screw 602, outer rings of the other two limit bearings 205 are contacted with one side of the other vertical upright post 103 close to the screw 602, and functions of the four limit bearings 205 are similar to those of the first roller group 201 and the second roller group 202, so that limiting can be achieved, balance of the total lifting frame 2 is ensured, the total lifting frame 2 is more stable to lift along the two vertical upright posts 103, and friction between the total lifting frame 2 and the two vertical upright posts 103 in the lifting process can be avoided.

As a preferred implementation manner in this embodiment, it should be further described that, the pit panel 5 is provided with a channel cover plate 501 and a motor cover plate 502, the motor cover plate 502 is located above the screw transmission assembly 6, so that the motor cover plate 502 is conveniently opened to directly overhaul the driving motor 601, convenience is improved, the channel cover plate 501 is located at one side of the bearing frame 3 in the horizontal direction, a ladder stand can be arranged by opening the channel cover plate 501, and overhaul work can be conveniently performed in the pit, thereby further improving convenience; the bearing frame 3 bottom surface of every support post 4 both sides all rotates and is connected with spacing gyro wheel 503, and spacing gyro wheel 503 contacts with the vertical face of bearing frame 3, can carry out spacingly to support post 4 through spacing gyro wheel 503, strengthens the stability of support post 4, also can prevent that support post 4 from producing friction and damaging equipment at the in-process that goes up and down with pit panel 5.

Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The subway bogie lifting table is characterized by comprising a vertical base (1), a total lifting frame (2), a bearing frame (3), supporting columns (4) and a pit panel (5), wherein the bearing frame (3) is arranged below the pit panel (5), four supporting columns (4) are distributed at the upper end of the bearing frame (3) in a rectangular shape, and the four supporting columns (4) penetrate through the pit panel (5); the upper end of the vertical base (1) penetrates through the bearing frame (3), the total lifting frame (2) is connected to the lower end of the bearing frame (3), and the total lifting frame (2) is connected to the vertical base (1) in a sliding manner along the vertical direction; a screw rod transmission assembly (6) for driving the total lifting frame (2) to lift along the vertical base (1) is arranged between the bearing frame (3) and the vertical base (1).

2. The subway bogie lifting table according to claim 1, wherein the supporting upright posts (4) comprise four upright posts (401) and four wheel clamps (402) which are matched and clamped with wheels of the subway bogie, the four upright posts (401) are connected to the upper end of the bearing frame (3) in a rectangular distribution manner, and the middle parts of the four upright posts (401) penetrate through the pit panel (5); four wheel clamps (402) are respectively arranged at the upper parts of the four upright posts (401).

3. The subway bogie lifting table according to claim 2, wherein four wheel clamps (402) are respectively arranged on the side surfaces of the corresponding upright posts (401), at least one first strip hole extending along the horizontal direction is respectively arranged on each wheel clamp (402), a locking bolt (403) for tightly supporting the wheel clamp (402) on the corresponding upright post (401) is respectively arranged in each first strip hole, and the locking bolt (403) is in threaded connection with the corresponding upright post (401).

4. A subway bogie lifting table according to claim 1, characterized in that the vertical base (1) comprises a base bottom plate (101), a base top plate (102) and two mutually parallel vertical columns (103), the lower ends of the two vertical columns (103) are connected with the base bottom plate (101), and the upper ends of the two vertical columns (103) are connected with the base top plate (102); the total lifting frame (2) is connected between two vertical upright posts (103) in a sliding manner along the vertical direction.

5. The subway bogie lifting platform according to claim 4, wherein at least one first roller group (201) and at least one second roller group (202) are mounted on the total lifting frame (2), and the first roller group (201) and the second roller group (202) are respectively arranged on two sides corresponding to the two vertical columns (103).

6. A subway bogie lifting platform according to claim 5, characterized in that the screw drive assembly (6) comprises a drive motor (601), a screw (602) driven by the drive motor (601) and a working nut (603) screwed outside the screw (602), the working nut (603) being connected with the total lifting frame (2); the driving motor (601) is arranged on the base top plate (102), the screw rod (602) is arranged between the two vertical upright posts (103), two ends of the screw rod (602) are respectively and rotatably connected with the base bottom plate (101) and the base top plate (102), and the working nut (603) is fixedly connected or rotatably connected with the total lifting frame (2).

7. The subway bogie lifting table according to claim 6, wherein an upper limiting plate (203) is arranged in the middle of the total lifting frame (2), a screw through hole through which a screw (602) passes is formed in the middle of the upper limiting plate (203), and two L-shaped limiting pieces (204) are connected to the lower ends of the upper limiting plates (203) on two sides of the screw through hole; and a limiting ring (604) is arranged outside the working nut (603), the upper end of the limiting ring (604) is abutted against the upper limiting plate (203), and the lower ends of the two L-shaped limiting pieces (204) are both in a horizontal plate structure abutted against the lower end of the limiting ring (604).

8. A metro bogie lifting table as claimed in claim 6 or 7, wherein the screw drive assembly (6) further comprises a safety nut (605), the safety nut (605) is screwed outside the screw (602) below the working nut (603), the safety nut (605) is connected with the working nut (603) by at least two connection plates (606), and the hardness of the screw (602) and the safety nut (605) is greater than that of the working nut (603); the lower end of the connecting plate (606) is connected with the safety nut (605) through a first bolt, and the upper end of the connecting plate (606) is connected with the working nut (603) through a second bolt; the upper end of the connecting plate (606) is provided with a second strip hole (607) extending along the vertical direction, a screw rod of a second bolt penetrates through the second strip hole (607) and is connected with a working nut (603), and a nut of the second bolt is pressed on the connecting plate (606).

9. A subway bogie lifting table according to claim 6 or 7, characterized in that four limit bearings (205) are mounted on the total lifting frame (2), the inner rings of the four limit bearings (205) are connected with the total lifting frame (2), the outer rings of two limit bearings (205) are contacted with one side of one vertical upright (103) close to the screw (602), and the outer rings of the other two limit bearings (205) are contacted with one side of the other vertical upright (103) close to the screw (602).

10. The subway bogie lifting platform according to claim 7, wherein the pit panel (5) is provided with a channel cover plate (501) and a motor cover plate (502), the motor cover plate (502) is positioned above the screw transmission assembly (6), and the channel cover plate (501) is positioned on one side of the bearing frame (3) in the horizontal direction; the bottom surfaces of the bearing frames (3) on two sides of each supporting upright post (4) are rotationally connected with limiting rollers (503), and the limiting rollers (503) are contacted with the vertical surfaces of the bearing frames (3).