CN212047367U

CN212047367U - Skid of embedded medium-low speed maglev train maintenance platform

Info

Publication number: CN212047367U
Application number: CN202020144464.0U
Authority: CN
Inventors: 洪良; 杨燕国; 陈林; 唐胜勇; 王虹; 裴艳
Original assignee: Sichuan Xinzhu Intelligent Engineering Equipment Manufacturing Co ltd
Current assignee: Sichuan Development Maglev Technology Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-12-01
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a skid of an embedded medium-low speed maglev train maintenance platform, which comprises a hollow shell body crossing two sides of a track and power supply rails arranged on the shell body and parallel to each other, wherein the shell body is connected through a plurality of cross beams; a plurality of rail wheels and a plurality of radial positioning structures thereof are arranged in each shell; the radial positioning structure comprises a shaft and a key, the shaft horizontally penetrates through the rail wheel and spans two sides of the shell, and the key is arranged in a key groove of the shaft and the rail wheel; axial positioning structures used for ensuring that the rail wheel and the shaft are axially static are arranged on two sides of the rail wheel; the axial positioning structure comprises a distance sleeve, a bearing and a retainer ring. The utility model provides an among the prior art maglev train maintenance in-process drive technical problem that the energy consumption is high, have compact reliable, maintain advantages such as maintenance convenience and simple structure.

Description

Skid of embedded medium-low speed maglev train maintenance platform

Technical Field

The utility model relates to an embedded low-speed maglev train track technical field in, especially, relate to an embedded low-speed maglev train maintenance platform's skid.

Background

The medium-low speed magnetic suspension train is one that suspends, guides and pulls by electromagnetic force. The medium-low speed magnetic levitation traffic has the advantages of low noise, low cost, strong climbing capability, small turning radius, short construction period and the like. At present, the medium and low speed magnetic levitation lines which are in passenger carrying operation in China comprise a Changsha magnetic levitation express line and a Beijing magnetic levitation S1 line.

The embedded medium-low speed magnetic levitation traffic system is a brand-new technology in the field of magnetic levitation, and in the aspect of technical performance, indexes such as the highest speed, the acceleration capability, the climbing capability, the turning radius, the energy consumption and the like of the embedded medium-low speed magnetic levitation traffic system are superior to those of the existing urban rail traffic systems such as Changsha magnetic levitation and Beijing magnetic levitation. The running track beam of the embedded medium-low speed maglev train and the train are of an encircling structure, the train cannot be directly placed on the track beam, and a special maintenance platform is required to be matched for ensuring the work of closing the embedded medium-low speed maglev train, transferring the embedded medium-low speed maglev train to a running line after closing the train, maintaining the train and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an embedded low-speed maglev train maintenance platform's skid to the technical problem that the drive energy consumption is high among the maglev train maintenance process among the solution prior art.

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

a skid of an embedded maintenance platform of a medium-low speed maglev train comprises hollow shells crossing two sides of a track and power supply rails arranged on the shells in parallel, wherein the shells are connected through a plurality of cross beams;

a plurality of rail wheels and a plurality of radial positioning structures thereof are arranged in each shell; the radial positioning structure comprises a shaft and a key, the shaft horizontally penetrates through the rail wheel and spans two sides of the shell, and the key is arranged in a key groove of the shaft and the rail wheel;

axial positioning structures used for ensuring that the rail wheel and the shaft are axially static are arranged on two sides of the rail wheel; the axial positioning structure comprises a distance sleeve, a bearing and a retainer ring; the bearing seat is externally provided with a bearing seat, a circumferential annular groove is arranged in the bearing seat, a check ring is arranged in the annular groove and clings to the check ring, and the outer ring of the bearing seat is matched with the shell and is arranged on two sides of the shell;

a plurality of holes are formed in the lower side of the shell, and the rail wheels extend out of the shell through the holes to be in contact with the rails.

Optionally or preferably, the housing includes an upper housing and a long plate with one open side, the upper housing is welded to the long plate, and the hole is formed in the long plate.

Alternatively or preferably, the bearing housing outer race is in contact with the housing and the elongate plate.

Optionally or preferably, sealing structures are installed on two sides of the bearing, and each sealing structure comprises an oil seal, a grease nipple and a sealing plate; the oil seal is arranged among the bearing, the distance sleeve and the bearing seat, the grease nozzle is arranged on the bearing seat, and the sealing plate is arranged on the outer end face of the bearing seat.

Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:

the utility model provides a skid of embedded middle and low speed maglev train maintenance platform, the rolling mode of the rail wheel of skid adopts roller bearing transmission mode, its load-carrying capacity is big, rolling resistance is little, and the bearing frame has designed the lubricating oil groove and provides lubricating oil for the bearing, the bearing has long service life; the installation of the track wheel is completely and axially positioned by the distance sleeve, the bearing and the check ring, and the track center distance is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an isometric side view of the present invention;

FIG. 2 is a lower isometric view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1-axis; a 2-bond; 3-a rail wheel; 4-distance sleeve; 5-oil sealing; 6-a bearing; 7-a retainer ring; 8-grease nipple; 9-closing the plate; 10-a bearing seat; 11-a housing; 111-an upper shell; 112-long plate; 12-beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will describe the technical solutions of the present invention in detail. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3:

a skid of an embedded maintenance platform of a medium-low speed maglev train comprises a hollow shell 11 and power supply rails (not shown in the figure), wherein the hollow shell 11 stretches across two sides of a track, and the shell 11 is connected through 2 cross beams 12;

2 track wheels 3 and 2 radial positioning structures thereof are arranged in the shell 11, and the track wheels are U-shaped track wheels; the radial positioning structure comprises a shaft 1 and a key 2, the shaft 1 horizontally penetrates through the U-shaped track wheel to cross two sides of the shell 11, and the key 2 is arranged in grooves of the shaft 1 and the key 2 of the U-shaped track wheel;

axial positioning structures used for ensuring the relative axial static between the U-shaped track wheel and the shaft 1 are arranged on two sides of the U-shaped track wheel; the axial positioning structure comprises a distance sleeve 4, a bearing 6 and a retainer ring 7; the distance sleeve 4 is sleeved on the shaft 1 and tightly attached to the U-shaped track wheel, the bearing 6 is sleeved on the shaft 1 and tightly attached to the distance sleeve 4, a bearing seat 10 is arranged outside the bearing 6, a circumferential annular groove is formed in the bearing seat 10, a retainer ring 7 is arranged in the annular groove and tightly attached to the retainer ring 7, the outer ring of the bearing seat 10 is matched with the shell 11 and is arranged on two sides of the shell 11, and the size of a track center distance 2160 is ensured;

a plurality of holes are formed in the lower side of the shell 11, and the plurality of U-shaped track wheels extend out of the shell 11 through the holes to be in contact with the tracks; the rolling of U type rail wheel adopts bearing 6 transmission mode, and its load-carrying capacity is big, rolling resistance is little to bearing frame 10 has designed the lubricant bowl and provides lubricating oil for bearing 6, and bearing 6 long service life.

As an alternative embodiment, the housing 11 includes an upper housing 111 and a long plate 112 with one open side, the upper housing 111 is welded to the long plate 112, and the hole is formed in the long plate 112.

As an alternative embodiment, the bearing seat 10 outer race is in contact with the housing 11 and the long plate 112.

As an alternative embodiment, sealing structures are installed on two sides of the bearing 6, and the sealing structures comprise an oil seal 5, a grease nipple 8 and a sealing plate 9; the oil seal 5 is arranged among the bearing 6, the distance sleeve 4 and the bearing seat 10, the grease nipple 8 is arranged on the bearing seat 10, and the seal plate 9 is arranged on the outer end face of the bearing seat 10.

The utility model discloses a working process does:

the skid is driven by the U-shaped track wheels to move to the track beam, the power supply rail on the skid is contacted with the power supply rail on the track beam, then the train is driven to the skid under the conductive action of the power supply rail, and the skid drives the train to enter the maintenance area for maintenance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a skid of embedded low-speed maglev train maintenance platform in well which characterized in that: the device comprises a hollow shell (11) crossing two sides of a track and power supply rails arranged on the shell (11) and parallel to each other, wherein the shell (11) is connected through a plurality of cross beams (12);

a plurality of rail wheels (3) and a plurality of radial positioning structures thereof are arranged in each shell (11); the radial positioning structure comprises a shaft (1) and a key (2), the shaft (1) horizontally penetrates through the rail wheel (3) and spans on two sides of the shell (11), and the key (2) is arranged in key grooves of the shaft (1) and the rail wheel (3);

axial positioning structures used for ensuring the relative axial static of the rail wheel (3) and the shaft (1) are arranged on two sides of the rail wheel (3); the axial positioning structure comprises a distance sleeve (4), a bearing (6) and a retainer ring (7); the track wheel bearing comprises a shaft (1), a spacing sleeve (4), a bearing (6), a bearing seat (10), a circumferential annular groove, a check ring (7), a shell (11), a bearing seat (10) and a shell (11), wherein the spacing sleeve (4) is sleeved on the shaft (1) and tightly attached to the track wheel (3), the bearing (6) is sleeved on the shaft (1) and tightly attached to the spacing sleeve (4), the bearing seat (6) is externally provided with the bearing seat (10), the bearing seat (10) is internally provided with the circumferential annular groove, the check ring (7) is arranged in the annular groove and;

a plurality of holes are formed in the lower side of the shell (11), and the plurality of track wheels (3) extend out of the shell (11) through the holes to be in contact with the tracks.

2. The skid of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 1, wherein: the shell (11) comprises an upper shell (111) and a long plate (112) with one open side, the upper shell (111) is welded with the long plate (112), and the hole is formed in the long plate (112).

3. The skid of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 2, wherein: the outer ring of the bearing seat (10) is in contact with the shell (11) and the long plate (112).

4. The skid of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 1, wherein: sealing structures are arranged on two sides of the bearing (6), and each sealing structure comprises an oil seal (5), a grease nipple (8) and a sealing plate (9); the oil seal (5) is arranged among the bearing (6), the distance sleeve (4) and the bearing seat (10), the grease nipple (8) is arranged on the bearing seat (10), and the sealing plate (9) is arranged on the outer end face of the bearing seat (10).