CN220499109U - Wheel set overhauling platform - Google Patents

Abstract

The utility model belongs to the technical field of railway machinery, and discloses a wheel set maintenance platform which comprises a guide post, a support frame, a workbench panel, a first driving piece and a second driving piece. The guide post sets up in subaerial equipment hole, and the guide post extends along vertical direction. The support frame is arranged on the guide post in a sliding way. The workbench panel is arranged on the supporting frame and can rotate around the first axis relative to the supporting frame, when the workbench panel is positioned at the first working position, the top surface of the workbench panel is coplanar with the ground in the surrounding area of the equipment pit, and when the workbench panel is positioned at the second working position, the workbench panel protrudes out of the ground around the equipment pit. The first driving piece is arranged in the equipment pit and used for driving the supporting frame to move along the vertical direction so that the workbench panel can move between a first working position and a second working position. The second driving piece is arranged on the supporting frame and used for driving the workbench panel to rotate around the first axis relative to the supporting frame.

Description

Wheel set overhauling platform

Technical Field

The utility model relates to the technical field of railway machinery, in particular to a wheel set maintenance platform.

Background

The wheel sets of the motor train unit are key components for running of the motor train unit, are parts of the running part of the motor train unit, which are in direct contact with the line part of the rail, bear the load of the motor train unit body, and each wheel set bears 16-18 tons of load on average. The technical state of the wheel set directly affects the running safety and quality of the train of the motor train unit. Meanwhile, the axle box, the speed reducer and the brake disc assembly which are arranged on the wheel set directly determine the running stability and the running safety of the motor train unit.

When the wheel set is overhauled, the wheel set is generally hoisted to the ground by a crown block to carry out disassembly and assembly work, and the wheel set is hoisted to a storage after the axle box, the speed reducer and other parts are disassembled. When the wheel set overhauls on the ground, as the height of the wheel set is only about 1 meter, the position of a part of parts to be disassembled is lower than 1 meter, and an overhauling worker has to squat down to carry out overhauling operation, so that the overhauling difficulty is increased.

Therefore, there is a need for a wheel set service platform to address the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a wheel set maintenance platform, which reduces the difficulty of wheel set maintenance and improves the wheel set maintenance efficiency.

To achieve the purpose, the utility model adopts the following technical scheme:

wheel pair overhauls platform includes:

the guide column is arranged in the equipment pit on the ground and extends along the vertical direction;

a support frame slidably disposed on the guide post;

the workbench panel is arranged on the supporting frame, can rotate around a first axis relative to the supporting frame, extends in the vertical direction, and is provided with a first working position and a second working position, when the workbench panel is positioned in the first working position, the top surface of the workbench panel is coplanar with the ground in the peripheral area of the equipment pit, and when the workbench panel is positioned in the second working position, the workbench panel protrudes out of the ground in the peripheral area of the equipment pit;

the first driving piece is arranged in the equipment pit and used for driving the supporting frame to move along the vertical direction so as to enable the workbench panel to move between the first working position and the second working position;

the second driving piece is arranged on the supporting frame and used for driving the workbench panel to rotate around the first axis relative to the supporting frame.

Preferably, a first wheel set track is arranged on the ground, a second wheel set track is arranged on the workbench panel, and the first wheel set track and the second wheel set track are collinear when the workbench panel is located at the first working position.

Preferably, the device further comprises a shield, wherein the top end of the shield is fixedly connected with the workbench panel, the shield surrounds the workbench panel, and when the workbench panel is located at the second working position, the shield extends into the equipment pit.

Preferably, a plurality of guide posts are provided, and a plurality of guide posts are provided at intervals along the circumferential direction of the pit.

Preferably, the support frame includes:

the guide sleeves are arranged in one-to-one correspondence with the guide posts, and are sleeved on the corresponding guide posts;

the support platform is arranged on the guide posts, the guide posts are fixedly connected with the support platform, the workbench panel is rotationally arranged on the support platform, the bottom end of the first driving piece is fixedly arranged in the equipment pit, the top end of the first driving piece is connected to the support platform, one end of the second driving piece is connected to the support platform, and the other end of the second driving piece is connected to the workbench panel.

Preferably, one end of the second driving member is rotatably connected with the supporting platform, the other end of the second driving member is rotatably connected with the table panel, and the rotation axis between the second driving member and the supporting platform and the rotation axis between the second driving member and the table panel are parallel to the first axis.

Preferably, the second driving member is provided in plurality, and the plurality of second driving members are provided at intervals along the circumferential direction of the first axis.

Preferably, the support platform is provided with a bearing, the axis of the bearing is collinear with the first axis, the workbench panel is provided with a rotating shaft, and the rotating shaft is rotationally connected with the bearing.

Preferably, a plurality of first driving members are provided, and a plurality of the first driving members are provided at intervals along the circumferential direction of the pit.

Preferably, the first driving member and the second driving member are both cylinders.

The utility model has the beneficial effects that:

according to the wheel set maintenance platform, the guide column plays a role in guiding the supporting frame, the supporting frame is driven to slide along the guide column through the first driving piece, so that the upper and lower movement of the workbench panel is realized, the workbench panel can be switched between the first working position and the second working position, the top surface of the workbench panel is coplanar with the ground of the surrounding area of the equipment pit when the workbench panel is positioned in the first working position, and the wheel set can conveniently enter and leave the workbench panel. When the workbench panel is positioned at the second working position, the workbench panel protrudes out of the ground of the area around the equipment pit, so that the height of the wheel set on the workbench panel is more suitable for maintenance work of maintenance personnel standing in the area around the equipment pit, thereby reducing maintenance difficulty and improving maintenance efficiency. And the second driving piece can drive the workbench panel to rotate relative to the supporting frame, so that an overhauling personnel can conveniently adjust the direction of the wheel set, and the overhauling efficiency is further improved.

Drawings

FIG. 1 is a schematic view of a wheel set maintenance platform when a workbench panel provided by an embodiment of the utility model is positioned in a first working position;

FIG. 2 is a schematic view of a wheel set maintenance platform when the table top provided by the embodiment of the utility model is located at a second working position;

FIG. 3 is a cross-sectional view of the wheel set service platform with the table top panel in a second position according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a wheelset service platform provided by an embodiment of the present utility model;

FIG. 5 is an exploded view of a portion of the structure of a wheel set service platform provided by an embodiment of the present utility model;

fig. 6 is a schematic view of a part of a wheel set maintenance platform according to an embodiment of the present utility model.

In the figure:

100. ground surface; 101. a device pit; 102. a first wheel set track; 200. a wheel set; 201. a rim;

1. a guide post;

2. a support frame; 21. a guide sleeve; 22. a support platform; 221. a first beam; 222. a bearing; 223. a second beam;

3. a table top; 31. a second wheel set track; 32. a rotating shaft; 33. reinforcing ribs;

4. a first driving member;

5. a second driving member;

6. a shield.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 6, the present embodiment provides a wheel set service platform for service of a wheel set 200, which includes a guide post 1, a support frame 2, a table panel 3, a first driving member 4, and a second driving member 5. The guide post 1 is disposed in a device pit 101 on the ground 100, and the guide post 1 extends in a vertical direction, and it should be noted that the device pit 101 is located below a plane on which the ground 100 is located, and in this embodiment, the device pit 101 is cylindrical. The support frame 2 is slidably disposed on the guide post 1. The table top 3 is disposed on the support frame 2 and is rotatable about a first axis extending in a vertical direction relative to the support frame 2, the table top 3 has a first working position and a second working position, when the table top 3 is in the first working position, a top surface of the table top 3 is coplanar with a ground 100 located in a surrounding area of the equipment pit 101, and when the table top 3 is in the second working position, the table top 3 protrudes from the ground 100 located in a surrounding area of the equipment pit 101. The first driving member 4 is disposed in the equipment pit 101 for driving the support frame 2 to move in the vertical direction so that the table top 3 can move between the first working position and the second working position. A second drive 5 is provided on the support frame 2 for driving the table top 3 to rotate about the first axis relative to the support frame 2.

The wheel set maintenance platform provided by the embodiment, the guide column 1 plays a role in guiding the supporting frame 2, the supporting frame 2 is driven to slide along the guide column 1 through the first driving piece 4, and the up-and-down movement of the workbench panel 3 is realized, so that the workbench panel 3 can be converted between the first working position and the second working position, the top surface of the workbench panel 3 is coplanar with the ground 100 in the surrounding area of the equipment pit 101 when the workbench panel 3 is positioned in the first working position, and the wheel set 200 is convenient to enter and leave the workbench panel 3. When the workbench panel 3 is positioned at the second working position, the workbench panel 3 protrudes out of the ground 100 in the surrounding area of the equipment pit 101, so that the height of the wheel set 200 on the workbench panel 3 is more suitable for maintenance work of maintenance personnel standing in the surrounding area of the equipment pit 101, thereby reducing maintenance difficulty and improving maintenance efficiency. And the second driving piece 5 can drive the workbench panel 3 to rotate relative to the supporting frame 2, so that the overhauling personnel can conveniently adjust the orientation of the wheel set 200, and the overhauling efficiency is further improved.

Alternatively, as shown in fig. 1 and 2, the ground surface 100 is provided with a first wheel set rail 102, and the table panel 3 is provided with a second wheel set rail 31, and when the table panel 3 is in the first working position, the first wheel set rail 102 is collinear with the second wheel set rail 31. When the table top 3 is in the first working position, the top surface of the table top 3 is coplanar with the ground 100 in the area around the pit 101, and the first wheel set rail 102 and the second wheel set rail 31 are collinear, so that the wheel set 200 can move between the ground 100 and the table top 3 through the first wheel set rail 102 and the second wheel set rail 31, that is, after the accessories on the wheel set 200, which affect the rolling of the wheel set 200, are detached, the wheel set 200 can enter and leave the table top 3 through the rolling along the first wheel set rail 102 and the second wheel set rail 31. The first wheel set rail 102 may extend to a storage of the wheel set 200, and the serviced wheel set 200 rolls directly to the storage through the first wheel set rail 102. In this embodiment, the first wheel set rail 102 and the second wheel set rail 31 each comprise two bar grooves, and guiding and limiting of the wheel set 200 is achieved by inserting the two rims 201 of the wheel set 200 into the bar grooves.

Optionally, as shown in fig. 2-5, the wheel set maintenance platform provided in this embodiment further includes a protecting cover 6, the top end of the protecting cover 6 is fixedly connected with the table panel 3, the protecting cover 6 surrounds the table panel 3, and when the table panel 3 is located in the second working position, the protecting cover 6 extends into the equipment pit 101, so as to prevent maintenance tools from falling into the equipment pit 101 in the maintenance process of the wheel set 200. In order to enhance the covering effect of the shroud 6 on the equipment pit 101 as much as possible, the outer diameter of the shroud 6 should be as close as possible to the inner diameter of the equipment pit 101 without affecting the movement of the shroud 6 with the table top 3.

Alternatively, as shown in fig. 5, the guide posts 1 are provided in plural, and the plurality of guide posts 1 are arranged at intervals along the circumferential direction of the equipment pit 101. Providing a plurality of guide posts 1 can improve the stability of the support frame 2. In the present embodiment, the guide posts 1 are provided with four.

Alternatively, as shown in fig. 3-5, the support frame 2 comprises a guide sleeve 21 and a support platform 22. The guide sleeves 21 are arranged in one-to-one correspondence with the guide posts 1, and the guide sleeves 21 are sleeved on the corresponding guide posts 1. The supporting platform 22 is arranged on the guide post 1, the guide post 1 is fixedly connected with the supporting platform 22, the workbench panel 3 is rotatably arranged on the supporting platform 22, the bottom end of the first driving piece 4 is fixedly arranged in the equipment pit 101, the top end of the first driving piece is connected to the supporting platform 22, one end of the second driving piece 5 is connected to the supporting platform 22, and the other end of the second driving piece is connected to the workbench panel 3. The sliding connection of the support frame 2 to the guide column 1 is achieved by means of a guide sleeve 21. The support platform 22 comprises a first beam 221, a first beam 221 is arranged between two adjacent guide sleeves 21, and two ends of the first beam 221 are respectively fixedly connected with the two guide sleeves 21.

Further, as shown in fig. 3 and 4, one end of the second driving member 5 is rotatably connected to the support platform 22, and the other end is rotatably connected to the table top 3, and the rotation axis between the second driving member 5 and the support platform 22 and the rotation axis between the second driving member 5 and the table top 3 are parallel to the first axis. Specifically, in the present embodiment, the second driving member 5 is an air cylinder, and the table top 3 is driven to rotate relative to the support frame 2 by the extension and retraction of the piston rod of the air cylinder.

Alternatively, as shown in fig. 3 and 4, the second driving member 5 is provided in plural, and the plural second driving members 5 are disposed at intervals in the circumferential direction of the first axis. The rotation of the table top 3 is made smoother. In the present embodiment, four second driving members 5 are provided.

Alternatively, as shown in fig. 3-6, the support platform 22 is provided with a bearing 222, the axis of the bearing 222 is collinear with the first axis, the table top 3 is provided with a rotating shaft 32, and the rotating shaft 32 is rotatably connected with the bearing 222. The rotary connection between the support platform 22 and the table top board 3 is realized through the bearing 222 and the rotary shaft 32, so that the rotary resistance of the table top board 3 is reduced. The support platform 22 further comprises a second beam 223, each first beam 221 is fixedly provided with a second beam 223, one end of the second beam 223 is fixedly connected with the first beam 221, the other end of the second beam 223 extends to the center of a rectangular area surrounded by the four first beams 221, the four second beams 223 are fixedly connected at the center of the rectangular area surrounded by the four first beams 221, and a bearing 222 is fixedly arranged on the second beam 223 and is positioned at the center of the rectangular area surrounded by the four first beams 221.

Alternatively, as shown in fig. 5, the first driving member 4 is provided in plural, and the plural first driving members 4 are arranged at intervals along the circumferential direction of the equipment pit 101. The table top 3 is made more stable when rotated. Specifically, in the present embodiment, two first driving members 4 are provided, the two first driving members 4 are symmetrically disposed about the first axis, the first driving members 4 are cylinders, and the support frame 2 is driven to move up and down along the guide post 1 by the extension and contraction of the piston rod of the first driving members 4.

Optionally, as shown in fig. 3 and 6, the worktable panel 3 is further provided with a reinforcing rib 33 to improve the structural strength of the worktable panel 3, the reinforcing rib 33 is fixedly arranged on the bottom surface of the worktable panel 3, and a plurality of reinforcing ribs 33 are surrounded to form a rectangular structure. In this embodiment, the reinforcing ribs 33 are made of angle steel.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Wheel pair overhauls platform, its characterized in that includes:

a guide column (1) disposed in an equipment pit (101) on the ground (100), the guide column (1) extending in a vertical direction;

a support frame (2) slidably provided on the guide post (1);

the workbench panel (3) is arranged on the supporting frame (2) and can rotate around a first axis relative to the supporting frame (2), the first axis extends along a vertical direction, the workbench panel (3) is provided with a first working position and a second working position, when the workbench panel (3) is positioned at the first working position, the top surface of the workbench panel (3) is coplanar with the ground (100) positioned at the peripheral area of the equipment pit (101), and when the workbench panel (3) is positioned at the second working position, the workbench panel (3) protrudes out of the ground (100) positioned at the peripheral area of the equipment pit (101);

a first driving member (4) disposed in the equipment pit (101) for driving the support frame (2) to move in a vertical direction so that the table panel (3) can move between the first working position and the second working position;

and the second driving piece (5) is arranged on the supporting frame (2) and is used for driving the workbench panel (3) to rotate around the first axis relative to the supporting frame (2).

2. The wheelset service platform of claim 1, wherein a first wheelset track (102) is provided on the ground (100), a second wheelset track (31) is provided on the table top (3), and the first wheelset track (102) is collinear with the second wheelset track (31) when the table top (3) is in the first working position.

3. Wheel set service platform according to claim 1, further comprising a shield (6), the top end of the shield (6) being fixedly connected to the table top plate (3), the shield (6) surrounding the table top plate (3), the shield (6) extending into the equipment pit (101) when the table top plate (3) is in the second working position.

4. Wheel set service platform according to claim 1, characterized in that the guide posts (1) are provided in plurality, and a plurality of the guide posts (1) are arranged at intervals along the circumferential direction of the equipment pit (101).

5. Wheel set service platform according to claim 4, characterized in that the support frame (2) comprises:

the guide sleeves (21) are arranged in one-to-one correspondence with the guide posts (1), and the guide sleeves (21) are sleeved on the corresponding guide posts (1);

the support platform (22), it set up in on guide post (1), guide post (1) all with support platform (22) link firmly, workstation panel (3) rotate set up in on support platform (22), first driving piece (4) bottom set firmly in equipment hole (101), the top connect in on support platform (22), one end of second driving piece (5) connect in on support platform (22), the other end connect in on workstation panel (3).

6. Wheel set service platform according to claim 5, characterized in that one end of the second driving member (5) is rotatably connected to the support platform (22) and the other end is rotatably connected to the table top plate (3), the axis of rotation between the second driving member (5) and the support platform (22) and the axis of rotation between the second driving member (5) and the table top plate (3) being parallel to the first axis.

7. Wheel set service platform according to claim 5, wherein a plurality of second driving members (5) are provided, a plurality of second driving members (5) being arranged at intervals in the circumferential direction of the first axis.

8. The wheel set maintenance platform according to claim 5, wherein a bearing (222) is arranged on the supporting platform (22), the axis of the bearing (222) is collinear with the first axis, a rotating shaft (32) is arranged on the workbench panel (3), and the rotating shaft (32) is rotationally connected with the bearing (222).

9. Wheel set service platform according to claim 1, characterized in that a plurality of first driving members (4) are provided, a plurality of said first driving members (4) being arranged at intervals along the circumference of the equipment pit (101).

10. Wheel set service platform according to claim 1, characterized in that the first drive member (4) and the second drive member (5) are both air cylinders.