CN211734896U - A device that falls to say for ballastless track road bed maintenance - Google Patents
A device that falls to say for ballastless track road bed maintenance Download PDFInfo
- Publication number
- CN211734896U CN211734896U CN201921628475.XU CN201921628475U CN211734896U CN 211734896 U CN211734896 U CN 211734896U CN 201921628475 U CN201921628475 U CN 201921628475U CN 211734896 U CN211734896 U CN 211734896U
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- wedge
- screw rod
- ballastless track
- track
- falls
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Abstract
The utility model discloses a device that falls to say for ballastless track roadbed maintenance, including first wedge and second wedge, the inclined plane of first wedge slide set up in the inclined plane of second wedge, be provided with the screw rod in the first wedge, the screw rod is worn to establish the second wedge, the screw rod is located the outside one end of second wedge is provided with the nut. The utility model discloses can promote the second wedge towards vertical direction motion through the rotation of nut, realize the required precision of jacking millimeter level.
Description
Technical Field
The utility model relates to a railway construction field particularly, relates to a device of falling to a way for ballastless track road bed maintenance.
Background
When the underground excavation and filling method is adopted to maintain the arch defect on the ballastless track subgrade, the upper track structure needs to be temporarily supported, and the drop and line type adjustment needs to be carried out after the excavation is finished. Therefore, the invention needs to invent a track-falling device, which can bear the weight of more than 10t and meet the requirement of millimeter-level lifting precision. At the same time, the device is required to be low in cost and to be permanently buried underground.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a device of falling to say for ballastless track road bed maintenance can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a device that falls to say for ballastless track road bed maintenance, includes first wedge and second wedge, the inclined plane of first wedge slide set up in the inclined plane of second wedge, be provided with the screw rod in the first wedge, the screw rod is worn to establish the second wedge, the screw rod is located the external one end of second wedge is provided with the nut.
Furthermore, a transverse plate is arranged in the first wedge-shaped body, and the screw rod is arranged on the transverse plate.
Furthermore, the wedge-shaped wedge-.
Furthermore, a limiting steel plate is arranged on the top cover, and the transverse plate is inserted into the limiting steel plate.
Further, the screw is an M16 high-strength bolt.
Further, the length of the first wedge body is 25cm, and the width of the first wedge body is 18 cm.
The utility model has the advantages that: the utility model discloses can promote the second wedge towards vertical direction motion through the rotation of nut, realize the required precision of jacking millimeter level.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a track dropping device for ballastless track subgrade maintenance;
FIG. 2 is a schematic structural view of a first wedge;
fig. 3 is a schematic structural view of the top cover.
In the figure: 1. the device comprises a first wedge-shaped body, a second wedge-shaped body, a screw rod, a nut, a transverse plate, a top cover and a limiting steel plate, wherein the first wedge-shaped body is 2, the second wedge-shaped body is 3, the screw rod is 4, the transverse plate is 5, the top cover is 6, and the limiting steel plate is 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1, according to the embodiment of the utility model provides a device that falls to say for ballastless track subgrade maintenance, including first wedge 1 and second wedge 2, the inclined plane of first wedge 1 slide set up in the inclined plane of second wedge 2, be provided with screw rod 3 in the first wedge 1, screw rod 3 wears to establish second wedge 2, screw rod 3 is located the outside one end of second wedge 2 is provided with nut 4.
In an embodiment of the present invention, a transverse plate 5 is disposed in the first wedge 1, and the screw rod 3 is disposed on the transverse plate 5.
In a specific embodiment of the utility model, still include top cap 6, top cap 6 cover establish with on the second wedge 2.
In a specific embodiment of the present invention, the top cover 6 is provided with a limiting steel plate 7, and the transverse plate 5 is inserted into the limiting steel plate 7.
In a specific embodiment of the present invention, the screw 3 is an M16 high-strength bolt.
In a specific embodiment of the present invention, the first wedge 1 has a length of 25cm and a width of 18 cm.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to the utility model discloses a device of falling to say for maintenance of ballastless track subgrade rotates nut 4, and nut 4 promotes second wedge 2 and slides along the inclined plane, and then drives second wedge 2 and risees, and the round of per turn reduces 0.71mm, and the accumulative total can lower 4 cm. The limiting steel plate 7 can prevent the top cover 6 from moving horizontally. The device has the advantages of simple structure, convenient manufacture and operation, low cost, and strong practicability, and can be widely used for underground excavation maintenance engineering of ballastless track subgrades.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a device that falls to way for maintenance of ballastless track road bed, includes first wedge (1) and second wedge (2), its characterized in that, the inclined plane of first wedge (1) slide set up in the inclined plane of second wedge (2), be provided with screw rod (3) in the first wedge (1), wear to establish screw rod (3) second wedge (2), screw rod (3) are located the outside one end of second wedge (2) is provided with nut (4), be provided with diaphragm (5) in the first wedge (1), screw rod (3) set up in on diaphragm (5).
2. The track-dropping device for ballastless track subgrade maintenance according to claim 1, characterized in that: still include top cap (6), top cap (6) lid establish with on second wedge (2).
3. The track-dropping device for ballastless track subgrade maintenance according to claim 2, characterized in that: the top cover (6) is provided with a limiting steel plate (7), and the transverse plate (5) is inserted into the limiting steel plate (7).
4. The track-dropping device for ballastless track subgrade maintenance according to claim 1, characterized in that: the screw (3) is an M16 high-strength bolt.
5. The track-dropping device for ballastless track subgrade maintenance according to claim 1, characterized in that: the first wedge body (1) is 25cm long and 18cm wide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628475.XU CN211734896U (en) | 2019-09-27 | 2019-09-27 | A device that falls to say for ballastless track road bed maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628475.XU CN211734896U (en) | 2019-09-27 | 2019-09-27 | A device that falls to say for ballastless track road bed maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211734896U true CN211734896U (en) | 2020-10-23 |
Family
ID=72849991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921628475.XU Active CN211734896U (en) | 2019-09-27 | 2019-09-27 | A device that falls to say for ballastless track road bed maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211734896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458802A (en) * | 2020-12-01 | 2021-03-09 | 通号建设集团有限公司 | Track and method suitable for treating uneven settlement of track |
-
2019
- 2019-09-27 CN CN201921628475.XU patent/CN211734896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458802A (en) * | 2020-12-01 | 2021-03-09 | 通号建设集团有限公司 | Track and method suitable for treating uneven settlement of track |
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