CN115610470A

CN115610470A - Self-adaptive bearing walking device suitable for various curved tracks

Info

Publication number: CN115610470A
Application number: CN202211368313.3A
Authority: CN
Inventors: 顾昉
Original assignee: Shanghai Jiaohui Electromechanical Technology Co ltd
Current assignee: Shanghai Jiaohui Electromechanical Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-17

Abstract

The invention relates to the technical field of rail traveling devices, in particular to a self-adaptive bearing traveling device suitable for various curved rails. The technical scheme comprises the following steps: the utility model discloses an arch main part, the bottom sliding connection of arch main part has two hollow framves, install two rail wheels through the axis of rotation in the interior cavity of hollow frame, cavity has been seted up to the inside of arch main part, the inner wall of cavity rotates and is connected with two threaded rods, the peripheral threaded connection of threaded rod has the thread bush, two guide bars of inside fixedly connected with of cavity, the peripheral movable sleeve of guide bar is equipped with the adapter sleeve, and the bottom of adapter sleeve and the top of hollow frame are fixed mutually, fixedly connected with connecting rod between thread bush and the adapter sleeve, the cylindrical cavity has been seted up at the top of arch main part, the inside diapire of cavity rotates and is connected with the spline section of thick bamboo, and the spline section of thick bamboo passes through bevel gear and threaded rod transmission connection, the inside slip of spline section of thick bamboo is pegged graft there is the dead lever. The invention can be suitable for rails with different spacing distances, and is more convenient and flexible to use.

Description

Self-adaptive bearing walking device suitable for various curved tracks

Technical Field

The invention relates to the technical field of rail traveling devices, in particular to a self-adaptive bearing traveling device suitable for various curved rails.

Background

The rail self-adaptive bearing walking device is an auxiliary walking device which bears small goods, appliances and other articles and runs on a rail in an attached mode. However, the track pitch of railways, subways and high-speed railways is different, and although the standard track pitch is 1435mm, the track pitch used in practice has deviation. The wheel spacing of the conventional inspection equipment is fixed and is inconvenient to adjust; the distance between some wheels is small, and the vehicle can shake left and right in the walking process; in order to prevent the car body from shaking left and right, some routing inspection equipment is provided with a rail clamping device, but the conditions of railway roads are complex, various intersections and road forks exist, and the trafficability of the routing inspection equipment is deteriorated after the rail clamping device is arranged.

Disclosure of Invention

The invention aims to provide a self-adaptive bearing walking device suitable for various curved tracks, aiming at the problems in the background art.

The technical scheme of the invention is as follows: the utility model provides a be applicable to multiple bent type track self-adaptation and bear running gear, including the arch main part, the bottom sliding connection of arch main part has two hollow framves, install two rail wheels through the axis of rotation in the interior cavity of hollow frame, interior cavity has been seted up to the inside of arch main part, the inner wall rotation of interior cavity is connected with two threaded rods, the peripheral threaded connection of threaded rod has the thread bush, two guide bars of inside fixedly connected with of interior cavity, the peripheral movable sleeve of guide bar is equipped with the adapter sleeve, and the bottom of adapter sleeve is fixed mutually with the top of hollow frame, fixedly connected with connecting rod between thread bush and the adapter sleeve, the cylindric chamber has been seted up at the top of arch main part, the inside diapire rotation of interior cavity is connected with the spline section of thick bamboo, and the spline section of thick bamboo passes through bevel gear and threaded rod transmission and connects, the inside slip of spline section of thick bamboo is pegged graft there is the dead lever, the periphery of dead lever is through a plurality of fixed block fixedly connected with cylinder cover, the top fixedly connected with of cylinder cover carries the dish.

Preferably, the bearing is installed on the inner wall of the cylindrical cavity, and an inner ring of the bearing is fixedly sleeved on the periphery of the top end of the spline cylinder.

Preferably, the lower half part of the fixing rod is processed into a spline rod shape, and the spline grains are matched with the spline barrel.

Preferably, the top of the threaded sleeve is fixedly connected with a guide block, and the top of the guide block is connected with the top of the inner cavity in a sliding manner.

Preferably, a plurality of mounting holes are processed on the carrying disc.

Preferably, the periphery of the cylinder sleeve and the bottom of the carrying disc are fixedly connected with a plurality of vertical block strips together, the top of the arched main body is fixedly connected with a chassis, the top of the chassis is fixedly connected with a plurality of positioning blocks, and a gap between every two adjacent positioning blocks is matched with the vertical block strips.

Preferably, the front surface and the back surface of the arched main body are fixedly connected with connecting blocks, one sides of the two connecting blocks, which are far away from each other, are fixedly connected with wheel shell sleeves, and auxiliary wheels are installed inside the wheel shell sleeves through wheel shafts.

Preferably, the front surface and the back surface of the arched main body are fixedly connected with two L-shaped fixing pieces, and the L-shaped fixing pieces are fixed with the side surfaces of the arched main body and the connecting block through fastening bolts.

Compared with the prior art, the invention has the following beneficial technical effects:

the device can drive the spline cylinder to rotate by rotating the carrying disc and the cylinder sleeve, drives the threaded rod to rotate under the transmission of the bevel gear, then drives the two hollow frames to move towards the direction close to or away from each other under the connection action of the connecting rod and the connecting sleeve, so that the distance between the two hollow frames is convenient to adjust, and then the hollow frames with the adjusted positions are subjected to auxiliary positioning under the action of the chassis and the positioning block, so that the device can be suitable for rails with different distances, and is more convenient and flexible to use.

Drawings

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

fig. 2 is a side structural cut-away view of the arched body of fig. 1.

Reference numerals are as follows: 1. an arched body; 2. a hollow frame; 3. a cylindrical cavity; 4. a rotating shaft; 5. a rail wheel; 6. connecting blocks; 7. an L-shaped fixing sheet; 8. fastening a bolt; 9. a wheel housing; 10. an auxiliary wheel; 11. a wheel axle; 12. a cylindrical sleeve; 13. erecting block strips; 14. a chassis; 15. positioning blocks; 16. a carrying tray; 17. mounting holes; 18. an inner cavity; 19. a threaded rod; 20. a threaded sleeve; 21. a guide block; 22. a connecting rod; 23. a guide rod; 24. connecting sleeves; 25. a spline cylinder; 26. a fixing rod; 27. a fixed block; 29. and (5) a bearing.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the invention provides a self-adaptive bearing walking device suitable for multiple curved tracks, which comprises an arched main body 1, wherein the bottom of the arched main body 1 is slidably connected with two hollow frames 2, two track wheels 5 are installed in the inner cavity of each hollow frame 2 through a rotating shaft 4, an inner cavity 18 is formed in the arched main body 1, the inner wall of the inner cavity 18 is rotatably connected with two threaded rods 19, the periphery of each threaded rod 19 is connected with a threaded sleeve 20, two guide rods 23 are fixedly connected to the inner part of each inner cavity 18, a connecting sleeve 24 is movably sleeved on the periphery of each guide rod 23, the bottom of each connecting sleeve 24 is fixed to the top of the corresponding hollow frame 2, a connecting rod 22 is fixedly connected between each threaded sleeve 20 and each connecting sleeve 24, a cylindrical cavity 3 is formed in the top of the arched main body 1, a spline cylinder 25 is rotatably connected to the inner bottom wall of the inner cavity 18, the spline cylinder 25 is in transmission connection with the threaded rods 19 through bevel gears, a fixing rod 26 is slidably inserted into the spline cylinder 25, the periphery of the fixing rod 26 is fixedly connected with a cylindrical sleeve 12 through a plurality of cylindrical sleeves 27, and a fixing block 16 is fixedly connected to the top of the cylindrical sleeve 12.

In this embodiment: the bearing 29 is installed on the inner wall of the cylindrical cavity 3, an inner ring of the bearing 29 is fixedly sleeved on the periphery of the top end of the spline cylinder 25, and the bearing 29 is arranged to play a role in assisting in positioning the spline cylinder 25, so that the rotation stability of the spline cylinder 25 is ensured; the lower half part of the fixing rod 26 is processed into a spline rod shape, and the spline grains are matched with the spline barrel 25; the top of the threaded sleeve 20 is fixedly connected with a guide block 21, the top of the guide block 21 is in sliding connection with the top of the inner cavity 18, and the guide block 21 is arranged to play a role in guiding the movement of the threaded sleeve 20 and prevent the threaded sleeve 20 from synchronously rotating along with the rotation of the threaded rod 19; a plurality of mounting holes 17 are processed on the carrying disc 16; the periphery of the cylinder sleeve 12 and the bottom of the carrying disc 16 are fixedly connected with a plurality of vertical block strips 13 together, the top of the arched main body 1 is fixedly connected with a chassis 14, the top of the chassis 14 is fixedly connected with a plurality of positioning blocks 15, and a gap between every two adjacent positioning blocks 15 is matched with the vertical block strips 13.

The working principle is as follows: when the distance between the track wheels 5 needs to be adjusted to adapt to the track width, the whole body such as the carrier disc 16, the cylinder sleeve 12, the vertical block strips 13 is pulled upwards, meanwhile, the fixing rod 26 is driven to move upwards and move synchronously under the connection of the fixing block 27, at the moment, the vertical block strips 13 are separated from the positioning blocks 15, so that the whole body can rotate, the whole body is rotated to drive the fixing rod 26 to rotate, the fixing rod 26 rotates to drive the spline cylinder 25 to rotate synchronously, the spline cylinder 25 rotates to drive the two threaded rods 19 to rotate synchronously and reversely under the bevel gear transmission connection, the two threaded rods 19 rotate synchronously and reversely to drive the two threaded sleeves 20 to move towards the direction close to or away from each other, under the guiding action of the guide rod 23 and the connection action of the connecting rod 22 and the connecting sleeve 24, the two hollow frames 2 are driven to move towards the direction close to or away from each other, so that the distance between the two hollow frames 2 is conveniently adjusted, the carrier disc 16 is pressed downwards after the adjustment, the carrier disc 12 and the vertical block strips 13 are driven to descend and clamped into the gap between the positioning blocks 15, so that the auxiliary positioning and fixing effect is achieved, and the adjustment of the top of the carrier disc device can be fixed by the mounting holes 17 and the bolts.

Example two

As shown in fig. 1-2, the adaptive bearing walking device for various curved tracks provided by the present invention further includes an arched main body 1, wherein the front and back of the arched main body 1 are both fixedly connected with connection blocks 6, the sides of the two connection blocks 6 away from each other are both fixedly connected with wheel housing sleeves 9, and auxiliary wheels 10 are installed inside the wheel housing sleeves 9 through wheel shafts 11; two L shape stationary blades 7 of equal fixedly connected with in front and the back of arch main part 1, and L shape stationary blade 7 is fixed mutually through fastening bolt 8 and arch main part 1, the side of connecting block 6, through setting up L shape stationary blade 7 and fastening bolt 8, has strengthened the firm in connection between connecting block 6 and the arch main part 1.

By installing the auxiliary wheel 10, the bottom of the auxiliary wheel 10 rolls on the top of the sleeper, thereby playing a role of assisting the walking device to walk stably.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a be applicable to multiple curved track self-adaptation and bear running gear, includes arch main part (1), the bottom sliding connection of arch main part (1) has two hollow frame (2), installs two rail wheels (5), its characterized in that through axis of rotation (4) in the interior cavity of hollow frame (2): interior cavity (18) have been seted up to the inside of arch main part (1), the inner wall of interior cavity (18) rotates and is connected with two threaded rods (19), the peripheral threaded connection of threaded rod (19) has thread bush (20), two guide bars (23) of the inside fixedly connected with of interior cavity (18), the peripheral movable sleeve of guide bar (23) is equipped with adapter sleeve (24), and the bottom of adapter sleeve (24) is fixed mutually with the top of hollow frame (2), fixedly connected with connecting rod (22) between thread bush (20) and adapter sleeve (24), cylindrical cavity (3) have been seted up at the top of arch main part (1), the inside diapire rotation of interior cavity (18) is connected with spline section of thick bamboo (25), and spline section of thick bamboo (25) are connected through bevel gear and threaded rod (19) transmission, spline section of thick bamboo (25) inside slip is pegged graft and is had dead lever (26), the periphery of dead lever (26) is through a plurality of fixed block (27) fixedly connected with cylinder cover (12), the top fixedly connected with of cylinder cover (12) carries dish (16).

2. The adaptive bearing walking device for various curved tracks according to claim 1, wherein a bearing (29) is mounted on the inner wall of the cylindrical cavity (3), and an inner ring of the bearing (29) is fixedly sleeved on the top periphery of the spline cylinder (25).

3. The adaptive bearing walking device suitable for various curved tracks as claimed in claim 1, wherein the lower half part of the fixing rod (26) is made into a spline rod shape, and the spline pattern is matched with the spline cylinder (25).

4. The adaptive bearing walking device suitable for various curved tracks as claimed in claim 1, wherein a guide block (21) is fixedly connected to the top of the threaded sleeve (20), and the top of the guide block (21) is slidably connected to the top of the inner cavity (18).

5. The adaptive bearing walking device for various curved tracks according to claim 1, wherein a plurality of mounting holes (17) are formed on the bearing disc (16).

6. The adaptive bearing walking device suitable for various curved tracks according to claim 1, wherein a plurality of vertical block strips (13) are fixedly connected to the periphery of the cylindrical sleeve (12) and the bottom of the bearing disc (16) together, a chassis (14) is fixedly connected to the top of the arched main body (1), a plurality of positioning blocks (15) are fixedly connected to the top of the chassis (14), and a gap between two adjacent positioning blocks (15) is matched with the vertical block strips (13).

7. The adaptive bearing walking device for the multiple curved tracks according to claim 1, wherein the front and back surfaces of the arched main body (1) are fixedly connected with the connecting blocks (6), the sides of the two connecting blocks (6) far away from each other are fixedly connected with the wheel shell sleeves (9), and the inside of the wheel shell sleeves (9) is provided with the auxiliary wheels (10) through the wheel shafts (11).

8. The adaptive bearing walking device for various curved tracks according to claim 7, wherein two L-shaped fixing pieces (7) are fixedly connected to the front and back of the arched main body (1), and the L-shaped fixing pieces (7) are fixed to the side surfaces of the arched main body (1) and the connecting block (6) through fastening bolts (8).