CN217026512U

CN217026512U - Suspension type track switch beam line changing slewer

Info

Publication number: CN217026512U
Application number: CN202122871246.4U
Authority: CN
Inventors: 张瑞丰; 张宁; 朱舟; 余峰; 毛豫生
Original assignee: China Railway Baoji Bridge Group Co Ltd
Current assignee: China Railway Baoji Bridge Group Co Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-07-22
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a suspended track turnout beam line-changing slewing device which comprises an upper fixed seat and a lower fixed seat, wherein a joint bearing is arranged between the upper fixed seat and the lower fixed seat; adopt above-mentioned structure, replace axle, hole cooperation or ball bearing through joint bearing, through the adjustment of the bigger degree of freedom of joint bearing to make the switch roof beam can self-adaptation adjustment level, and easy to assemble, can eliminate simultaneously because of ambient temperature, assembly error, the slewer jamming problem that vehicle vibrations scheduling problem brought, make the gyration smoother.

Description

Suspension type track switch beam line changing slewer

Technical Field

The utility model relates to the field of suspension type rail transit systems, in particular to a turnout beam line changing rotating device.

Background

The existing suspension type track beam generally has two modes when the line changing operation is needed at a turnout, one mode adopts the translation mode of the turnout beam to operate, such as the technical scheme disclosed by the application number 201710456765.X patent application, or the technical scheme disclosed by the application numbers 202110282480.5, 202110280510.9, 202010386333.8, 202010117408.2, 201710527060.2 and 202110282483.9 patent application adopts the rotation mode of the turnout beam to adjust the position of the turnout beam to realize the line changing, and in the rotary devices adopting the rotation mode of the turnout beam to change the line, two structural forms are basically adopted, one mode is the hinge joint of the shaft and the hole in a matching mode, and the other mode is the rotation mode adopting a thrust bearing or a ball bearing.

Position relation remains unchanged throughout between portal frame roof beam and the switch roof beam when adopting these revolution mechanic, a bit of position change will be in becoming slewer jamming or the unable level that keeps of switch roof beam, the unable self-leveling of switch roof beam promptly, and under the operating mode of reality, the switch roof beam receives ambient temperature, assembly error, the vibrations that the vehicle operation produced are outer because of the influence, there is always position relation between switch roof beam and the portal frame roof beam to change, and the unable self-leveling of traditional slewer, thereby it is big to lead to rotatory jamming actuating mechanism load, or the switch roof beam is not level.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides a suspended type track turnout beam line-changing slewing device which can automatically level and smoothly rotate, and the technical scheme adopted by the utility model is as follows:

a suspended track turnout beam line-changing slewing device comprises an upper fixing seat and a lower fixing seat, wherein a joint bearing is arranged between the upper fixing seat and the lower fixing seat.

Furthermore, an inner cavity for limiting the outer ring of the joint bearing is arranged in the upper fixed seat, and a rotating shaft capable of being clamped into the inner ring of the joint bearing is arranged in the lower fixed seat; a sealing ring is arranged in front of the upper fixed seat and the rotating shaft.

Furthermore, the upper fixing seat comprises an upper fixing column and an upper fixing flange, and the inner cavity is arranged in the upper fixing column; the lower fixing seat comprises a lower fixing column and a lower fixing flange, and the rotating shaft is arranged on the lower fixing column.

Furthermore, a group of reinforcing ribs are arranged between the upper fixing column and the upper fixing flange and between the lower fixing column and the lower fixing flange.

Furthermore, the rotating shaft and the lower fixing column are integrated.

Furthermore, the rotating shaft is connected with the lower fixing column through a flange.

Furthermore, a check ring for preventing the oscillating bearing from falling off from the inner cavity is arranged at the end part of the upper fixing column, and the sealing ring is arranged between the check ring and the rotating shaft.

Furthermore, the inner cavity be equipped with spacing boss the upper fixed column tip install with the retaining ring of joint bearing top tight on spacing boss.

Furthermore, a bearing pressing sleeve is arranged between the retainer ring and the outer ring of the knuckle bearing.

Adopt above-mentioned structure, replace axle, hole cooperation or ball bearing through joint bearing, through the adjustment of the bigger degree of freedom of joint bearing to make the switch roof beam can self-adaptation adjustment level, and easy to assemble, can eliminate simultaneously because of ambient temperature, assembly error, the slewer jamming problem that vehicle vibrations scheduling problem brought, make the gyration smoother.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic diagram of the practical state of the utility model applied to the suspension type turnout beam.

Detailed Description

In order to better understand the technical scheme, the specific structure of the turning device is further described below by combining the attached drawings, the turning device is suitable for a suspended track beam turnout beam, the turnout beam realizes line changing through rotation, the turning device is installed between a turnout beam A and a portal beam B as shown in figure 3, and a driving device drives the turnout beam to rotate around the turning device.

As shown in fig. 1 and fig. 2, the turning device comprises an upper fixing seat 1 and a lower fixing seat 2, wherein a joint bearing 3 is arranged between the upper fixing seat 1 and the lower fixing seat 2, and the upper fixing seat 1 and the lower fixing seat 2 are respectively connected with a portal beam and a turnout beam.

As shown in figure 2, for facilitating the installation of the joint bearing 3, an inner cavity 4 is arranged in the upper fixing seat 1, the joint bearing 3 is arranged in the inner cavity 4, the outer ring of the joint bearing 3 is in contact with the inner wall of the inner cavity 4 to limit the joint bearing 3 to swing in the inner cavity 4, and the joint bearing 3 can be directly clamped into the inner cavity 4 by interference fit, so that the joint bearing 3 is directly fixed in the inner cavity 4. Set up revolving axle 5 on the

lower fixing base

2, 3 inner circles of joint bearing are gone into to revolving axle 5 card, still need lubricate joint bearing 3 for making 3 smooth-going of joint bearing operate, and in order to avoid lubricating oil to leak, be equipped with sealing washer 6 between upper fixing base 1 and revolving axle 5.

As shown in figure 2, the upper fixed seat 1 comprises an upper fixed column 1-1 and an upper fixed flange 1-2, an inner cavity is arranged in the upper fixed column 1-1, the end part of the upper fixed column 1-1 is provided with a retaining ring 7 for preventing the knuckle bearing 3 from falling off from the inner cavity 4, the retaining ring 7 and the upper fixed column 1-1 are integrated, when the knuckle bearing 3 and the inner cavity 4 are assembled in a non-clamping state, the retaining ring 7 can limit the knuckle bearing 3 from falling off, when the retaining ring 7 and the upper fixed column 1-1 are integrated, a sleeve (corresponding to a limit boss 8 in figure 2) can be arranged in the inner cavity to tightly push against the outer ring of the knuckle bearing 3 to clamp the knuckle bearing 3 between the sleeve and the retaining ring 7 to realize fixation, in the embodiment shown in figure 2, the retaining ring 7 and the upper fixed column 1-1 are arranged separately and fixedly connected together through bolts, the limit boss 8 is arranged in the inner cavity 4, at the moment, the limiting boss 8 is a part of the upper fixing column 1-1, the knuckle bearing 3 is clamped between the limiting bosses 8 by fixing the check ring 7 on the upper fixing column 1-1, in order to avoid assembly errors and improve the clamping effect of the check ring 7, the bearing pressing sleeve 10 is arranged between the check ring 7 and the knuckle bearing 3, and the knuckle bearing 3 is clamped and fixed by pressing the bearing pressing sleeve 10 against the check ring 7. In this construction, a seal ring 6 is provided between the retainer 7 and the rotary shaft 5, and the seal ring 6 is sealed with felt.

The lower fixing base 2 shown in fig. 2 includes a lower fixing post 2-1 and a lower fixing flange 2-2, and a rotation shaft 5 is provided on the lower fixing post 2-1, the rotation shaft 5 and the lower fixing post 2-1 may be integrated as one body, or the rotation shaft 5 is provided separately from the lower fixing post 2-1 as shown in fig. 2, and the rotation shaft 5 is connected to the lower fixing post 2-1 through a flange.

In order to stabilize the upper fixing column 1-1 and the lower fixing seat 2, a group of reinforcing ribs 9 are arranged between the upper fixing column 1-1 and the upper fixing flange 1-2 and between the lower fixing column 2-1 and the lower fixing flange 2-2.

Claims

1. The utility model provides a suspension type track switch roof beam line changing slewer, includes fixing base (1) and lower fixing base (2), last fixing base (1) link together its characterized in that with portal beam and switch roof beam respectively with lower fixing base (2): a joint bearing (3) is arranged between the upper fixed seat (1) and the lower fixed seat (2); an inner cavity (4) for limiting the outer ring of the joint bearing (3) is arranged in the upper fixing seat (1), and a rotating shaft (5) which can be clamped into the inner ring of the joint bearing (3) is arranged in the lower fixing seat (2); a sealing ring (6) is arranged in front of the upper fixed seat (1) and the rotating shaft (5).

2. The suspended track turnout beam lane change turning device according to claim 1, wherein: the upper fixing seat (1) comprises an upper fixing column (1-1) and an upper fixing flange (1-2), and the inner cavity (4) is arranged in the upper fixing column (1-1); the lower fixing seat (2) comprises a lower fixing column (2-1) and a lower fixing flange (2-2), and the rotating shaft (5) is arranged on the lower fixing column (2-1).

3. The device for changing the track of a suspended track turnout beam according to claim 2, wherein: and a group of reinforcing ribs (9) are arranged between the upper fixing column (1-1) and the upper fixing flange (1-2) and between the lower fixing column (2-1) and the lower fixing flange (2-2).

4. The device for changing the track of a suspended track turnout beam according to claim 2, wherein: the rotating shaft (5) and the lower fixing column (2-1) are integrated.

5. The suspended track turnout beam lane change turning device according to claim 2, wherein: the rotating shaft (5) is connected with the lower fixing column (2-1) through a flange.

6. The suspended track turnout beam lane change turning device according to claim 2, wherein: a check ring (7) for preventing the joint bearing (3) from falling off from the inner cavity (4) is arranged at the end part of the upper fixing column (1-1), and the sealing ring (6) is arranged between the check ring (7) and the rotating shaft (5).

7. The device for changing the track of a suspended track turnout beam according to claim 2, wherein: the inner cavity (4) is provided with a limiting boss (8), and the end part of the upper fixing column (1-1) is provided with a check ring (7) which tightly pushes the joint bearing (3) against the limiting boss (8).

8. The suspended track turnout beam lane change turning device according to claim 7, wherein: and a bearing pressing sleeve (10) is arranged between the retainer ring (7) and the outer ring of the knuckle bearing (3).