Railway line maintenance tamping machine

By designing a railway line maintenance tamper that can adjust the vibration frequency, the problem of the inability to adjust the vibration frequency of the traditional tamper is solved, and a wider range of application and higher track bed buffering capacity is achieved.

CN222541169UActive Publication Date: 2025-02-28杨磊
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421271824.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-02-28
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

Traditional tamping machines cannot change the vibration frequency according to different needs in terms of vibration, resulting in a low application range.

Method used

A railway line maintenance tamping machine is designed, which pushes the slide plate to slide through the hydraulic cylinder, drives the box to move up and down, and drives the elliptical block to rotate through the driving motor. Combined with the action of the spring, the main tamping foot and the secondary tamping foot can be clamped, thereby realizing the adjustment of vibration frequency.

Benefits of technology

The vibration frequency is adjusted according to different needs, the scope of application of the tamping machine is expanded, and the buffering capacity of the track bed and the compactness of the ballast are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The utility model discloses a railway line maintenance tamping machine, and particularly relates to the technical field of tamping machines, which comprises a bottom plate, a lifting component is mounted at the top of the bottom plate, a connecting rod is mounted on the bottom plate through the lifting component, a box body is mounted at the bottom of the connecting rod, and a power component is mounted in the box body. A tamping assembly is installed at the bottom of the power assembly, the device is placed at a proper position on a rail, a sliding plate drives a connecting rod and a rubber block to enable a box body to move up and down, and when a main tamping foot and an auxiliary tamping foot are inserted into ballast, a driving motor is started to drive a rotating shaft to enable an oval block to rotate; an elliptical block drives a supporting plate to move up and down under the action of a spring, an electric push rod is started, the electric push rod drives a main tamping foot and an auxiliary tamping foot to be clamped with the help of a fixing rod, and therefore ballast is tamped, the ballast bed buffering capacity is improved, and the vibration frequency can be changed by adjusting the rotating speed of a driving motor and replacing the elliptical block.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of tamping machines, in particular to a railway line maintenance tamping machine. Background Art

[0002] At present, there are two types of small railway maintenance equipment for tamping the ballasted track bed of railways: one is a small hydraulic tamping machine, which uses a gasoline engine to drive a hydraulic device to drive a tamping rod through a hydraulic transmission to tamp the ballast under the sleepers to make it dense. The frame is relatively bulky, the time for going up and down the track is long, and the operation and maintenance are inconvenient; the other is a flexible shaft tamping machine, which uses a flexible shaft tamping rod to generate vibration, overcome the friction resistance between the ballast, make them move relative to each other and rearrange, and fill the gap under the sleeper, thereby achieving the purpose of compacting the ballast and stabilizing the track bed.

[0003] During mechanized tamping, pairs of tamping picks are used to insert ballast into both sides of the sleeper at the same time, and the ballast is compacted by relative clamping at a specified depth, and the ballast is made to flow, gather and reorganize, which plays a role in stabilizing the position of the track after the track is moved, improving the buffering capacity of the track bed, and eliminating certain line diseases. At present, in actual use, the vibration frequency of traditional tamping machines cannot be changed according to different needs, resulting in a low range of application. Utility Model Content

[0004] The utility model aims to provide a railway line maintenance tamping machine to solve the above-mentioned technical deficiencies.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a railway line maintenance tamping machine, comprising a base plate, a lifting assembly is installed on the top of the base plate, a connecting rod is installed on the base plate through the lifting assembly, a box is installed at the bottom of the connecting rod, a power assembly is installed inside the box, a tamping assembly is installed at the bottom of the power assembly, and a limiting assembly is installed at the bottom of the base plate.

[0006] Preferably, the lifting assembly includes a sliding rod, which is fixed on the top of the base plate, the top of which is fixedly connected to the top plate, the outside of which is slidably connected to a slide plate, the top of which is fixedly connected to a hydraulic cylinder, and the top of the hydraulic cylinder is connected to the bottom of the top plate.

[0007] Preferably, the power assembly includes a positioning plate, which is fixed inside the box, a driving motor is fixedly connected to the top of the positioning plate, a rotating shaft is fixedly connected to the output end of the driving motor, a limiting block is fixedly connected to the inside of the box, the end of the rotating shaft is connected to the internal bearing of the limiting block, and an elliptical block is fixedly connected to the outside of the rotating shaft.

[0008] Preferably, the limiting assembly includes a spring, the spring is fixed inside the box, the top of the spring is fixedly connected to a support plate, the bottom of the support plate is fixedly connected to a fixed plate, the outside of the fixed plate is fixedly connected to a fixing rod, and the outside of the fixed plate is equipped with a main tamping foot and an auxiliary tamping foot via the fixing rod.

[0009] Preferably, the interior of the auxiliary tamping foot is connected to a support block via a rotating rod, the exterior of the support block is fixedly connected to an electric push rod, and the end of the electric push rod is connected to the rotating rod inside the main tamping foot.

[0010] Preferably, a limiting groove is provided on the outside of the box body, a positioning groove is provided on the outside of the bottom plate, and the bottoms of the main tamping foot and the auxiliary tamping foot are located inside the limiting groove and the positioning groove.

[0011] Preferably, a rubber block is fixedly connected to the bottom of the slide plate, and the bottom of the rubber block is connected to the top of the box.

[0012] Preferably, the limiting assembly comprises a limiting plate, and the limiting plate is provided with a roller via a rotating rod.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] By placing the device at a suitable position on the rail, starting the hydraulic cylinder, the hydraulic cylinder pushes the slide plate to slide on the slide bar, and the slide plate drives the connecting rod and the rubber block to move the box up and down. When the main tamping foot and the auxiliary tamping foot are inserted into the ballast, the drive motor is started, and the drive motor drives the rotating shaft to rotate the elliptical block, and the elliptical block drives the support plate to move up and down under the action of the spring, and the electric push rod is started, and the electric push rod drives the main tamping foot and the auxiliary tamping foot to clamp with the help of the fixed rod, thereby compacting the ballast and improving the buffering capacity of the roadbed. The vibration frequency can be changed by adjusting the speed of the drive motor and replacing the elliptical block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of a partial top view cross-sectional structure of the utility model;

[0019] Figure 4 It is a side cross-sectional structural schematic diagram of the utility model.

[0020] Description of reference numerals:

[0021] 1. Bottom plate; 2. Positioning groove; 3. Slide bar; 4. Slide plate; 5. Top plate; 6. Hydraulic cylinder; 7. Connecting rod; 8. Rubber block; 9. Box; 10. Driving motor; 11. Rotating shaft; 12. Limit block; 13. Support plate; 14. Limit groove; 15. Spring; 16. Fixed plate; 17. Fixed rod; 18. Main tamping foot; 19. Auxiliary tamping foot; 20. Support block; 21. Electric push rod; 22. Limit plate; 23. Roller; 24. Positioning plate; 25. Oval block. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model provides Figure 1-4 A railway line maintenance tamping machine shown includes a base plate 1, a lifting assembly is installed on the top of the base plate 1, a connecting rod 7 is installed on the base plate 1 through the lifting assembly, a box body 9 is installed at the bottom of the connecting rod 7, a power assembly is installed inside the box body 9, a tamping assembly is installed at the bottom of the power assembly, and a limiting assembly is installed at the bottom of the base plate 1.

[0024] Furthermore, the lifting assembly includes a slide rod 3, which is fixed on the top of the base plate 1. The top of the slide rod 3 is fixedly connected to the top plate 5. The outside of the slide rod 3 is slidably connected to a slide plate 4. The top of the slide plate 4 is fixedly connected to a hydraulic cylinder 6. The top of the hydraulic cylinder 6 is connected to the bottom of the top plate 5. When the hydraulic cylinder 6 is started, the hydraulic cylinder 6 pushes the slide plate 4 to slide on the slide rod 3. The slide plate 4 drives the connecting rod 7 and the rubber block 8 to move the box 9 up and down.

[0025] Furthermore, the power component includes a positioning plate 24, which is fixed inside the box body 9. A driving motor 10 is fixedly connected to the top of the positioning plate 24, and a rotating shaft 11 is fixedly connected to the output end of the driving motor 10. A limiting block 12 is fixedly connected to the inside of the box body 9, and the end of the rotating shaft 11 is connected to the internal bearing of the limiting block 12. An elliptical block 25 is fixedly connected to the outside of the rotating shaft 11. When the driving motor 10 is started, the driving motor 10 drives the rotating shaft 11 to rotate the elliptical block 25, and the elliptical block 25 drives the support plate 13 to move up and down under the action of the spring 15.

[0026] Furthermore, the limiting assembly includes a spring 15, which is fixed inside the box 9. The top of the spring 15 is fixedly connected to the support plate 13, the bottom of the support plate 13 is fixedly connected to the fixing plate 16, the outside of the fixing plate 16 is fixedly connected to the fixing rod 17, and the outside of the fixing plate 16 is installed with a main tamping foot 18 and an auxiliary tamping foot 19 through the fixing rod 17.

[0027] Furthermore, the auxiliary tamping foot 19 is internally connected to a support block 20 via a rotating rod, and the support block 20 is externally fixedly connected to an electric push rod 21. The end of the electric push rod 21 is connected to the rotating rod inside the main tamping foot 18. When the electric push rod 21 is started, the electric push rod 21 drives the main tamping foot 18 and the auxiliary tamping foot 19 to be clamped with the help of the fixed rod 17.

[0028] Furthermore, a limiting groove 14 is provided on the outside of the box body 9, a positioning groove 2 is provided on the outside of the bottom plate 1, and the bottoms of the main tamping foot 18 and the auxiliary tamping foot 19 are located inside the limiting groove 14 and the positioning groove 2, so that the tamping foot can work smoothly.

[0029] Furthermore, a rubber block 8 is fixedly connected to the bottom of the slide plate 4, and the bottom of the rubber block 8 is connected to the top of the box 9. The rubber block 8 weakens the vibration generated at the bottom when it is transmitted to the top.

[0030] Furthermore, the limiting assembly includes a limiting plate 22, and the limiting plate 22 is equipped with a roller 23 via a rotating rod, so that the device can move smoothly on the rail.

[0031] Through the above technical solution:

[0032] When in use, the device is placed at a suitable position on the rail, and the hydraulic cylinder 6 is started. The hydraulic cylinder 6 pushes the slide plate 4 to slide on the slide bar 3. The slide plate 4 drives the connecting rod 7 and the rubber block 8 to move the box body 9 up and down. When the main tamping foot 18 and the auxiliary tamping foot 19 are inserted into the ballast, the drive motor 10 is started. The drive motor 10 drives the rotating shaft 11 to rotate the elliptical block 25. The elliptical block 25 drives the support plate 13 to move up and down under the action of the spring 15. The electric push rod 21 is started. The electric push rod 21 drives the main tamping foot 18 and the auxiliary tamping foot 19 to clamp with the help of the fixed rod 17, thereby compacting the ballast and improving the buffering capacity of the roadbed.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A railway line maintenance tamping machine, characterized in that: include: A base plate (1), a lifting assembly is installed on the top of the base plate (1), a connecting rod (7) is installed on the base plate (1) through the lifting assembly, a box (9) is installed at the bottom of the connecting rod (7), a power assembly is installed inside the box (9), a tamping assembly is installed at the bottom of the power assembly, and a limit assembly is installed at the bottom of the base plate (1).

2. A railway line maintenance tamping machine according to claim 1, characterized in that: The lifting assembly comprises a sliding rod (3), the sliding rod (3) is fixed on the top of the bottom plate (1), the top of the sliding rod (3) is fixedly connected to the top plate (5), the outside of the sliding rod (3) is slidably connected to a sliding plate (4), the top of the sliding plate (4) is fixedly connected to a hydraulic cylinder (6), and the top of the hydraulic cylinder (6) is connected to the bottom of the top plate (5).

3. A railway line maintenance tamping machine according to claim 1, characterized in that: The power assembly comprises a positioning plate (24), the positioning plate (24) is fixed inside the box (9), a driving motor (10) is fixedly connected to the top of the positioning plate (24), a rotating shaft (11) is fixedly connected to the output end of the driving motor (10), a limiting block (12) is fixedly connected inside the box (9), a terminal end of the rotating shaft (11) is connected to a bearing inside the limiting block (12), and an elliptical block (25) is fixedly connected to the outside of the rotating shaft (11).

4. A railway line maintenance tamping machine according to claim 1, characterized in that: The limiting assembly comprises a spring (15), the spring (15) is fixed inside the box (9), the top of the spring (15) is fixedly connected to a support plate (13), the bottom of the support plate (13) is fixedly connected to a fixing plate (16), the outside of the fixing plate (16) is fixedly connected to a fixing rod (17), and the outside of the fixing plate (16) is installed with a main tamping foot (18) and an auxiliary tamping foot (19) via the fixing rod (17).

5. A railway line maintenance tamping machine according to claim 4, characterized in that: The auxiliary tamping foot (19) is internally connected to a support block (20) via a rotating rod, the support block (20) is externally fixedly connected to an electric push rod (21), and the end of the electric push rod (21) is connected to the internal rotating rod of the main tamping foot (18).

6. A railway line maintenance tamping machine according to claim 4, characterized in that: The box body (9) is provided with a limiting groove (14) on the outside, the bottom plate (1) is provided with a positioning groove (2) on the outside, and the bottoms of the main tamping foot (18) and the auxiliary tamping foot (19) are located inside the limiting groove (14) and the positioning groove (2).

7. A railway line maintenance tamping machine according to claim 2, characterized in that: A rubber block (8) is fixedly connected to the bottom of the slide plate (4), and the bottom of the rubber block (8) is connected to the top of the box body (9).

8. A railway line maintenance tamping machine according to claim 1, characterized in that: The limiting assembly comprises a limiting plate (22), and the limiting plate (22) is provided with a roller (23) via a rotating rod.