CN210001063U

CN210001063U - kinds of lever structure's spacing locker of track and take its small rail car

Info

Publication number: CN210001063U
Application number: CN201920901627.2U
Authority: CN
Inventors: 王蜀生; 马云峰; 任鲲先; 戴文军
Original assignee: CISDI Technology Research Center Co Ltd
Current assignee: CISDI Technology Research Center Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-01-31
Anticipated expiration: 2029-06-17

Abstract

The utility model belongs to track limit locking device field relates to track limit locking device of lever structure, including linear drive unit, brake pad and lever, linear drive unit includes fixed component and drive element, the lever is in drive of drive element swings down, the brake pad along drive element's direction of motion fixed set up in on the lever, the side that the brake pad kept away from the lever contacts with the track, still relate to track trolley of taking lever structure track limit locking device, including the rail trolley, be equipped with track limit locking device of lever structure as above on the rail trolley, the brake pad is spacing to the rail trolley of different positions through frictional force, need not to set up the bolt hole, brake pad and track are contactless when the trolley motion, reduce the wearing and tearing of brake pad, the brake pad sets up between the stiff end of lever and motion end, has increased the effort of brake pad, can change the brake pad after the brake pad wearing and tearing.

Description

kinds of lever structure's spacing locker of track and take its small rail car

Technical Field

The utility model belongs to spacing locking device field of track relates to kinds of lever structure's spacing locker of track and takes its small rail car.

Background

The track motion device usually needs to be spacing after moving on the track and stopping, and traditional bolt formula stopper is higher to the stop position precision requirement of telecontrol equipment, and need set up simultaneously with the fixed pinhole that the bolt cooperation was used, can not satisfy track motion device and stop carrying out spacing demand behind the different positions, and traditional wheel limit brake, it is great that the influence that receives the friction on wheel surface is great, after the wheel is smooth because of the wearing and tearing that go, its spacing effect reduces by a wide margin.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing kinds of lever structure's spacing locker of track and take its small rail car, can carry out spacingly to the device of rail motion after stopping in different positions.

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

track limit locker with lever structure comprises a linear driving unit, a brake block and a lever, wherein the linear driving unit comprises a fixed element and a driving element, the fixed element is fixedly arranged on a track moving device, the end of the lever is a fixed end which is rotationally connected with the track moving device, the other end of the lever is a moving end which is connected with the driving element, the lever swings around the connecting point of the fixed end and the track moving device under the driving of the driving element, the brake block is fixedly arranged on the lever along the moving direction of the driving element and is arranged between the fixed end and the moving end, and the side of the brake block, which is far away from the lever, is in contact with a track.

Optionally, an oblong hinge hole is formed in the moving end, and a rotating shaft is arranged on the driving element and slides in the oblong hole.

Optionally, the direction of movement of the drive element is perpendicular to the direction of extension of the lever.

Optionally, the linear drive unit is a pneumatic cylinder.

Optionally, a connecting piece is arranged between the brake block and the lever, and the brake block is fixedly connected with the lever through the connecting piece.

Optionally, the brake block and the connecting member are connected by a bolt.

Optionally, the track moving device further comprises a position detection unit for detecting the position of the driving element, and the position detection unit is fixedly arranged on the track moving device.

Optionally, the brake shoe is in contact with an upper surface of the track.

Rail trolley with lever structure rail limit locker, which comprises a rail trolley, wherein the rail trolley is provided with lever structure rail limit lockers.

The beneficial effects of the utility model reside in that:

the brake block is in contact with the track, and the rail trolleys at different positions are limited by friction force without arranging bolt holes, so that the equipment cost is reduced, and the arrangement is flexible; the brake block is not contacted with the rail when the trolley moves, so that the abrasion of the brake block is reduced, the service life of the brake block is prolonged, and the braking effect is ensured; the brake block is arranged between the fixed end and the moving end of the lever, the driving element is connected to the moving end of the lever, and the force arm of the driving element is larger than that of the brake block, so that the acting force between the brake block and the rail is increased, and the limiting is more reliable; the brake block is fixedly connected to the lever through the connecting piece and the bolt, and can be replaced after the brake block is abraded, so that the service life of the trolley is prolonged.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front view of an lever-type track limit locking device;

FIG. 2 is a schematic side view of an lever-type track limit locker;

fig. 3 is a structural schematic diagram of track trolley with a track limit locker with a lever structure.

Reference numerals: the device comprises a small rail car 1, a fixing element 2, a driving element 3, a position detection unit 4, a rotating shaft 5, a lever 6, a brake block 7, a support 8, a bolt 9, a rail 10, a connecting piece 11 and a mounting seat 12.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 3, a rail trolley with a lever structure rail limit locker includes a linear driving unit, a brake block 7 and a lever 6, the linear driving unit includes a fixing element 2 and a driving element 3, the fixing element 2 is fixedly disposed on the rail trolley 1, an end of the lever 6 is a fixed end, the fixed end is rotatably connected with the rail trolley 1, another end of the lever 6 is a moving end, the moving end is connected with the driving element 3, the lever 6 swings around a connection point of the fixed end and the rail trolley 1 under the driving of the driving element 3, the brake block 7 is fixedly disposed on the lever 6 along the moving direction of the driving element 3, the brake block 7 is disposed between the brake block and the moving end, and a side of the brake block 7, which is far away from the lever 6, contacts with a rail 10.

In this embodiment, the fixing element 2 is fixedly arranged on the rail trolley 1 through the mounting seat 12. The fixed end of the lever 6 is hinged with the rail trolley through a support 8, an oblong hinge hole is formed in the moving end of the lever 6, a rotating shaft 5 is arranged on the driving element 3, and the rotating shaft 5 slides in the oblong hole. The direction of movement of the drive element 3 is perpendicular to the direction of extension of the lever 6. The linear driving unit is a cylinder. A connecting piece 11 is arranged between the brake block 7 and the lever 6, and the brake block 7 is fixedly connected with the lever 6 through the connecting piece 11. The brake block 7 is connected with the connecting piece 11 through a bolt 9. The small rail car 1 is also provided with a position detection unit 4 for detecting the position of the driving element 3. The brake shoe 7 is in contact with the upper surface of the rail 10.

In practical use, after the small rail car 1 stops, the driving element 3 applies pressure to the moving end of the lever 6, the lever 6 increases the pressure to press the brake block 7 on the rail, and when the small rail car 1 and the rail 10 have a relative movement trend, the brake block 7 and the rail 10 generate static friction force to block the relative movement of the small rail car 1 and the rail 10 and limit the small rail car 1. When the small rail car 1 needs to run, the driving element 3 drives the lever 6 to move in the direction away from the rail 10, the brake block 7 is separated from the rail 10 under the action of the lever 6, and the limit is released.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

The track limiting locker with the lever structures comprises a linear driving unit, a brake block and a lever, wherein the linear driving unit comprises a fixing element and a driving element, and is characterized in that:

the fixed element is fixedly arranged on the track motion device, the end of the lever is a fixed end which is rotatably connected with the track motion device, the other end of the lever is a moving end which is connected with the driving element, and the lever swings around the connection point of the fixed end and the track motion device under the driving of the driving element;

the brake block is fixedly arranged on the lever along the movement direction of the driving element, the brake block is arranged between the fixed end and the movement end, and the side of the brake block far away from the lever is in contact with a rail.
2. The lever-structured rail limit locker of claim 1, wherein the moving end is provided with an oblong hinge hole, the driving element is provided with a rotating shaft, and the rotating shaft slides in the oblong hole.
3. The lever construction track limit locker of claim 1, wherein the direction of movement of the drive element is perpendicular to the direction of extension of the lever.
4. The lever construction rail limit locker of claim 1, wherein the linear drive unit is a pneumatic cylinder.
5. The kind of lever structure rail limit locker of claim 1, wherein a connecting member is provided between the brake block and the lever, and the brake block is fixedly connected with the lever through the connecting member.
6. The lever construction track limit locker of claim 5, wherein the brake shoe and the connector are bolted together.
7. The lever construction track limit locker of claim 1, further comprising a position detection unit for detecting the position of the driving element, the position detection unit being fixedly disposed on the orbiting device.
8. The lever construction track limit locker of claim 1, wherein the brake shoe contacts the upper surface of the track.
9, Rail bogie with lever structure rail limit locking device, including the rail bogie, characterized in that the rail bogie is equipped with the lever structure rail limit locking device as claimed in any of claims 1-8.