CN219315386U

CN219315386U - Rail hold-down device

Info

Publication number: CN219315386U
Application number: CN202320265557.2U
Authority: CN
Inventors: 李宁; 李震; 刘清涛; 刘善良
Original assignee: Tai'an Jindou Mining Machinery Co ltd
Current assignee: Tai'an Jindou Mining Machinery Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-07
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a track pressing device, which relates to the technical field of track traffic construction and comprises a bottom plate, wherein a second threaded hole is formed in the top of the bottom plate, a second bolt is connected with the inner side of the bottom plate in a threaded manner, a main frame is connected with the outer wall of the second bolt and positioned on the upper surface of the bottom plate in a threaded manner, a first threaded hole is formed in the top of the main frame, and a first bolt is connected with the inner side of the first threaded hole in a threaded manner. According to the track pressing device, when the connecting block moves, the outer walls of the two sides of the connecting block are enabled to rotate to be connected with the extrusion plates, the rotating shaft connected with one end of the extrusion plates is utilized, and the rotating shaft is connected with the rotating shaft in a rotating mode, so that the extrusion plates are driven by the connecting block, the extrusion plates extrude the upper pressing block and the lower pressing block or stretch the upper pressing block and the lower pressing block, the bottom of the lower pressing block is driven by the extrusion plates to extrude the bottom, and the problems that a traditional track pressing device is heavy in size, complex and inconvenient to operate are solved.

Description

Rail hold-down device

Technical Field

The utility model relates to the technical field of track traffic construction, in particular to a track pressing device.

Background

The existing track pair adopts a ballastless track, the ballastless track is a track structure which adopts concrete, asphalt mixture and other integral foundations to replace a particulate gravel track bed, the track pair is an advanced track technology in the world today, the existing track pressing device is poor in fixing effect, and meanwhile, certain looseness is often caused due to overlarge vibration, so that certain influence is caused on use.

For example, chinese patent publication No. CN212388259U discloses a novel railway track pressing device, the top of the fixed base is contacted with a track base, the top of the track base is welded with a supporting plate, the top of the supporting plate is welded with a track plate, both sides of the top of the fixed base are provided with sliding grooves, a sliding plate is arranged in the sliding grooves in a sliding way, the top of the sliding plate is welded with a transverse plate, one side of the two transverse plates, which is close to each other, is welded with a first clamping plate, the top of the first clamping plate is welded with a second clamping plate, one side of the two first clamping plates, which is close to each other, is respectively in close contact with both sides of the track base, one side inner wall of the two sliding grooves, which is close to each other, is provided with a same transverse hole, one side inner wall of the two sliding grooves, which are far away from each other, is respectively provided with a rotating shaft, the outer side of the rotating shaft is provided with two external threads, the sliding plate is provided with a threaded hole, the external thread on the rotating shaft is in threaded connection with the threaded hole, a pull plate groove is formed in one side of the fixed base, the pull plate is slidably installed in the pull plate groove, a limit plate is welded at the top of the pull plate, a limit groove is formed in the outer side of the rotating shaft, the limit plate is clamped with the limit groove, a spring is welded at the bottom of the pull plate, the bottom end of the spring is welded on the inner wall of the bottom of the pull plate groove, a shock pad is fixedly connected with the bottom of the second clamping plate, when the track base needs to be compressed, the pull plate is pulled, the pull plate drives the limit plate to move, the limit plate moves out of the limit groove, the pull plate extrudes the spring, the knob is rotated, the external thread on the rotating shaft is in threaded connection with the threaded hole, the slide plate is driven to move, the transverse plate drives the first clamping plate to move, the first clamping plate drives the second clamping plate to move, the two first clamping plates compress the track base, the two second clamping plates compress tightly the backup pad, and is fixed effectual to track base, then unclamp the arm-tie, the spring is because self elasticity drives the arm-tie and removes for in the limiting groove was gone into to the limiting plate card, carries out spacing processing to the pivot, and shock pad's existence can carry out shock attenuation processing well.

The following problems exist in the prior art:

the existing track pressing device has the problems that the size is large, the carrying is inconvenient, the device is complex, and the operation is inconvenient; the existing track pressing device is easy to impact the track when pressing by a machine, so that the track is vibrated to cause the influence.

Disclosure of Invention

The present utility model provides a track pressing device to solve the above-mentioned problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a track closing device, includes the bottom plate, no. two screw holes have been seted up at the top of bottom plate, the inboard threaded connection of bottom plate has No. two bolts, no. two outer wall of bolt and be located bottom plate upper surface threaded connection have the body frame, a screw hole has been seted up at the top of body frame, the inboard threaded connection of a screw hole has a bolt, the bottom of a bolt outer wall just is located the inboard threaded connection of body frame has the briquetting, the you fixedly connected with support frame of body frame.

The technical scheme of the utility model is further improved as follows: the outer wall rotation of last briquetting both sides is connected with the pivot, the outer wall of pivot is fixed to have cup jointed the stripper plate.

The technical scheme of the utility model is further improved as follows: the rotation of pivot one end is connected with the connecting block, the inboard threaded connection of connecting block has the threaded rod.

The technical scheme of the utility model is further improved as follows: one end of the threaded rod is fixedly provided with a driving device, one end of the extruding plate is rotationally connected with a lower pressing block, and the bottom of the lower pressing block is fixedly provided with a pressing block.

The technical scheme of the utility model is further improved as follows: the top of the inner side of the pressing block is provided with a sliding groove, the inner wall of the sliding groove is movably provided with a compression spring, and the inner side of the pressing block is provided with a limit groove.

The technical scheme of the utility model is further improved as follows: the bottom movable mounting of compression spring has the buffering clamp plate, the outer wall and the spacing groove sliding connection of buffering clamp plate, one side fixed mounting of bottom plate has the stopper.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a track pressing device, which adopts the mutual coordination among an upper pressing block, a rotating shaft, a pressing plate, a connecting block, a threaded rod, a driving device, a lower pressing block and a pressing block, drives the threaded rod to rotate by starting the driving device, and when the threaded rod rotates, the connecting block on the outer wall of the threaded rod rotates in a threaded manner, so that the connecting block moves on the outer wall of the threaded rod, when the connecting block moves, the outer walls on two sides of the connecting block rotate and are connected with the pressing plate by utilizing the rotating shaft connected with one end of the pressing plate, and the rotating shaft is connected with the rotating shaft, so that the pressing plate is driven by the connecting block to press the upper pressing block and the lower pressing block or stretch the pressing block fixedly arranged at the bottom of the lower pressing block, and the problems that the traditional track pressing device is heavy, complex and inconvenient to operate are solved.

2. The utility model provides a track pressing device, which adopts a sliding groove, a pressing block, a compression spring, a limiting groove, a buffer pressing plate and a limiting block to be matched with each other, wherein the limiting block on one side of a bottom plate is placed at the bottom to be pressed to enable the bottom to be in butt joint, the compression spring movably mounted on the inner wall of the top of the sliding groove is connected with the buffer pressing plate through the sliding groove arranged on the top of the inner side of the pressing block, when the buffer pressing plate contacts a pressed object, the outer wall of the buffer pressing plate slides on the inner side of the limiting groove firstly, the compression spring is extruded, and the buffer effect is achieved through the elasticity of the compression spring, so that the problem that impact is too large and easy to cause influence when the traditional track pressing device is pressed is solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the base plate of the present utility model;

fig. 4 is a schematic top view of the main frame of the present utility model.

In the figure: 1. a main frame; 2. pressing into blocks; 3. an extrusion plate; 4. a connecting block; 5. a driving device; 6. a threaded rod; 7. pressing the block; 8. pressing the blocks; 9. a limiting block; 10. a bottom plate; 11. a support frame; 12. a rotating shaft; 13. a sliding groove; 14. a compression spring; 15. a buffer press plate; 16. a limit groove; 17. a first bolt; 18. a second bolt; 19. a second threaded hole; 20. a first threaded hole.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a track pressing device, which comprises a bottom plate 10, wherein a second threaded hole 19 is formed in the top of the bottom plate 10, a second bolt 18 is connected with the inner side of the bottom plate 10 in a threaded manner, a main frame 1 is connected with the outer wall of the second bolt 18 in a threaded manner and positioned on the upper surface of the bottom plate 10, a first threaded hole 20 is formed in the top of the main frame 1, a first bolt 17 is connected with the inner side of the first threaded hole 20 in a threaded manner, an upper pressing block 2 is connected with the bottom of the outer wall of the first bolt 17 in a threaded manner and positioned on the inner side of the main frame 1, and a supporting frame 11 is fixedly connected with the main frame 1.

In this embodiment, the position of the main frame 1 at the second threaded hole 19 can be adjusted through the second threaded hole 19 formed in the top of the bottom plate 10, the first threaded hole 20 formed in the top of the main frame 1, the first threaded bolt 17 in threaded connection with the inner side of the top of the first threaded hole 20, the first threaded bolt 17 in threaded connection with the top of the upper pressing block 2, the first threaded bolt 17 fixing the upper pressing block 2 through the first threaded hole 20, and then the supporting frame 11 connected with the inner side of the main frame 1, and supporting the top of the main frame 1 through the supporting frame 11.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outer wall rotation of going up briquetting 2 both sides is connected with pivot 12, and the outer wall of pivot 12 has fixedly sleeved with stripper plate 3, and the rotation of pivot 12 one end is connected with connecting block 4, and the inboard threaded connection of connecting block 4 has threaded rod 6, and the one end fixed mounting of threaded rod 6 has drive arrangement 5, and the one end rotation of stripper plate 3 is connected with down briquetting 7, and lower briquetting 7 bottom fixed mounting has presses briquetting 8.

In this embodiment, drive through start drive arrangement 5 and rotate threaded rod 6, carry out the screw thread rotation to the connecting block 4 of threaded rod 6 outer wall when threaded rod 6 rotates, make connecting block 4 remove at the outer wall of threaded rod 6, when the removal of connecting block 4, make the both sides outer wall of connecting block 4 rotate the stripper plate 3 of connection, utilize the pivot 12 that stripper plate 3 one end is connected, and pivot 12 is connected with rotating, thereby drive stripper plate 3 through connecting block 4, make stripper plate 3 extrude upper briquetting 2 and lower briquetting 7, perhaps tensile, make it drive down briquetting 7 bottom fixed mounting's press block 8 extrude the bottom.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top of the inner side of the pressing block 8 is provided with a sliding groove 13, the inner wall of the sliding groove 13 is movably provided with a compression spring 14, the inner side of the pressing block 8 is provided with a limit groove 16, the bottom of the compression spring 14 is movably provided with a buffer pressing plate 15, the outer wall of the buffer pressing plate 15 is in sliding connection with the limit groove 16, and one side of the bottom plate 10 is fixedly provided with a limit block 9.

In this embodiment, the limiting block 9 on one side of the bottom plate 10 is placed at the bottom to be pressed to enable the bottom to be butted, the sliding groove 13 is formed in the top of the inner side of the pressing block 8, the compression spring 14 movably mounted on the inner wall of the top of the sliding groove 13 is connected with the buffer pressing plate 15, when the buffer pressing plate 15 contacts a pressed object, the outer wall of the buffer pressing plate 15 slides on the inner side of the limiting groove 16, the compression spring 14 is extruded, and the elasticity of the compression spring 14 is utilized to perform a buffering function.

The working principle of the rail pressing device is specifically described below.

As shown in fig. 1-4, the position of the main frame 1 at the second threaded hole 19 can be adjusted through the second threaded hole 18 formed at the top of the bottom plate 10, the first threaded hole 20 formed at the top of the main frame 1, the first threaded bolt 17 in threaded connection with the inner side of the top of the first threaded hole 20, the first threaded bolt 17 in threaded connection with the top of the upper pressing block 2, the first threaded bolt 17 fixing the upper pressing block 2 through the first threaded hole 20, then supporting the top of the main frame 1 through the supporting frame 11 through the connected supporting frame 11, then placing the limiting block 9 at one side of the bottom plate 10 at the bottom to be pressed to enable the limiting block to be in butt joint, driving the threaded rod 6 to rotate when the threaded rod 6 rotates, the connecting block 4 on the outer wall of the threaded rod 6 to rotate in a threaded manner when the driving device 5 is started, the connecting block 4 is moved on the outer wall of the threaded rod 6, when the connecting block 4 moves, the outer walls on two sides of the connecting block 4 are rotated to connect the extruding plate 3, the rotating shaft 12 connected with one end of the extruding plate 3 is utilized, and the rotating shaft 12 is rotated to connect the extruding plate 3, so that the extruding plate 3 extrudes the upper pressing block 2 and the lower pressing block 7 through the connecting block 4, or stretches, the pressing block 8 fixedly installed at the bottom of the lower pressing block 7 is driven to extrude the bottom, the sliding groove 13 arranged at the top of the inner side of the pressing block 8 is utilized, the compression spring 14 movably installed by the inner wall at the top of the sliding groove 13 is connected with the buffer pressing plate 15, when the buffer pressing plate 15 contacts a pressed object, the outer wall of the buffer pressing plate 15 slides at the inner side of the limiting groove 16 firstly, the compression spring 14 is extruded, a cushioning effect is provided by the elasticity of the compression spring 14.

Claims

1. A rail compression device comprising a base plate (10), characterized in that: the utility model discloses a novel structure of the bottom plate, including bottom plate (10), screw hole (19) No. two have been seted up at the top of bottom plate (10), the inboard threaded connection of bottom plate (10) has No. two bolts (18), the outer wall of No. two bolts (18) just is located bottom plate (10) upper surface threaded connection has body frame (1), screw hole (20) have been seted up at the top of body frame (1), the inboard threaded connection of screw hole (20) has bolt (17) No. one, the bottom of bolt (17) outer wall just is located the inboard threaded connection of body frame (1) has briquetting (2), you fixedly connected with support frame (11) of body frame (1).

2. A track hold down device as defined in claim 1, wherein: the outer walls of the two sides of the upper pressing block (2) are rotationally connected with a rotating shaft (12), and the outer wall of the rotating shaft (12) is fixedly sleeved with an extrusion plate (3).

3. A track hold down device as claimed in claim 2, wherein: the rotating shaft is characterized in that a connecting block (4) is connected to one end of the rotating shaft (12) in a rotating mode, and a threaded rod (6) is connected to the inner side of the connecting block (4) in a threaded mode.

4. A track hold down device according to claim 3, wherein: one end of the threaded rod (6) is fixedly provided with a driving device (5), one end of the extruding plate (3) is rotationally connected with a lower pressing block (7), and the bottom of the lower pressing block (7) is fixedly provided with a pressing block (8).

5. A track hold down device as defined in claim 4, wherein: the top of the inner side of the pressing block (8) is provided with a sliding groove (13), the inner wall of the sliding groove (13) is movably provided with a compression spring (14), and the inner side of the pressing block (8) is provided with a limit groove (16).

6. A track hold down device as defined in claim 5, wherein: the bottom of the compression spring (14) is movably provided with a buffer pressing plate (15), the outer wall of the buffer pressing plate (15) is in sliding connection with the limit groove (16), and one side of the bottom plate (10) is fixedly provided with a limit block (9).