Fastener diversion device for ballast track

By using a rerouting device with an eccentric circular hole and sleeve structure in ballasted tracks, the safety hazards and operational complexity of existing tools have been solved, enabling rapid and low-cost adjustment of rail spacing and improving track maintenance efficiency.

CN223951533UActive Publication Date: 2026-02-27HEFEI RAIL TRANSIT GROUP OPERATION CO LTD
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Patent Information

Application Number
CN202520577978.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-27
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

The existing DJK5-1 type track fasteners lack dedicated rerouting tools, and the hydraulic gauge adjuster poses safety hazards, is heavy, and is complicated to operate, affecting track maintenance efficiency.

Method used

A device was designed that includes concrete sleepers, rails, fasteners and fixing bolts, and a rerouting device. By using an eccentric circular hole and a sleeve structure, the elliptical frustum is rotated eccentrically by extending a push rod to adjust the rail spacing, thus simplifying the operation process.

Benefits of technology

It enables safe and rapid adjustment of rail spacing, reduces operational difficulty and cost, improves track maintenance efficiency, can be operated by a single person, and reduces equipment and labor costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fastener diverting device for a ballast track, which relates to the field of track traffic and comprises a cement sleeper and a steel rail, fastener fixing bolts vertically, symmetrically and fixedly mounted on the cement sleeper are arranged on two sides of the steel rail, a diverting device is sleeved on the fastener fixing bolts, the diverting device comprises an elliptical table, and the elliptical table is provided with an elliptical groove. A penetrating eccentric round hole is formed in a long shaft of the upper oval face of the oval table, the upper end of the eccentric round hole is fixedly connected with a concentric vertically-upward sleeve, an obliquely-upward fixing column is fixedly installed at the end point of the long shaft of the upper oval face of the oval table, and the fixing column is sleeved with an extension push rod. The extension push rod is pushed to drive the oval table to eccentrically rotate with the eccentric round hole as the axis, the steel rails are driven to horizontally move on the cement sleeper, the effect of adjusting the distance between the steel rails is achieved, the structure is simple, the operation difficulty is low, the distance between the steel rails can be safely and rapidly adjusted, the rail maintenance efficiency is greatly improved, the weight is light, carrying is convenient, cost is low, and popularization is easy. And the track maintenance cost is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of rail transit, concretely relates to a fastener diversion device for ballast track. BACKGROUND

[0002] Ballast track is a common railway track structure, mainly composed of steel rail, sleeper, ballast and connecting parts, and is widely used in general speed and heavy load railway due to its simple construction, low cost and good drainage.

[0003] The fastener diversion operation of ballast track is an important measure to adjust the track gauge and track direction, and to ensure the straightness of the line direction, which is realized by changing the relative position of the sleeper and the steel rail. The existing construction method of the diversion of DJK5-1 type track line fastener is to use the hydraulic track gauge adjuster to change the transverse relative position of the sleeper and the steel rail.

[0004] Due to the particularity of the yard line fastener, there is currently a lack of diversion tools specially used for DJK5-1 type track line fastener in the track industry, and only the hydraulic track gauge adjuster can be used. However, the hydraulic track gauge adjuster has the following problems: the material of the hydraulic track gauge adjuster is iron, ceramic and other materials, and the excessive tension may break and injure people, which poses a safety hazard; the existing hydraulic track gauge adjuster weighs about 8 kg, is inconvenient to carry, and is complex to operate, requiring the cooperation of two skilled workers, which affects the efficiency of track maintenance. CONTENT OF THE UTILITY MODEL

[0005] To solve the problems raised in the above background technology, the utility model provides a fastener diversion device for ballast track, which is simple and reliable in structure, low in operation difficulty, low in cost and high in efficiency of track maintenance.

[0006] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows:

[0007] A fastener diversion device for ballast track, comprising a cement sleeper and a steel rail, the steel rail is provided with vertical and symmetrical fastener fixing bolts fixedly installed on the cement sleeper on both sides, a diversion device is sleeved on the fastener fixing bolt, the diversion device comprises an elliptical table, a through eccentric circular hole is formed in the long axis of the upper elliptical surface of the elliptical table, a concentric vertical upward sleeve is fixedly connected to the upper end of the eccentric circular hole, an obliquely upward fixed column is fixedly installed at the long axis end point of the upper elliptical surface of the elliptical table, and an extension push rod is sleeved on the fixed column.

[0008] As a further setting of the above-mentioned scheme, the fixed column is located outside the sleeve, and a connecting thread is arranged on the fixed column.

[0009] As a further setting of the above-mentioned scheme, a half-elliptical abutting table is arranged on the upper elliptical surface of the elliptical table, the abutting table is located on the other side of the sleeve, and the elliptical cylindrical surface of the abutting table coincides with the elliptical cylindrical surface of the elliptical table.

[0010] As a further arrangement of the above scheme, the elongated push rod is provided with a counterbore passage in the center of one end face and a connecting screw hole in the center of the other end face, the elongated push rod can be sleeved on the fixed column through the counterbore passage, facilitating rotation of the re-routing device by using the elongated push rod, and the elongated push rod can be screwed on the fixed column through the connecting screw hole, facilitating storage and carrying.

[0011] The utility model has the advantages of:

[0012] The eccentric hole and the sleeve are used for sleeving the elliptical table on the fastener fixing bolt, the elliptical surface of the elliptical table and the stopper table abuts against the steel rail, the elongated push rod is sleeved on the fixed column through the counterbore passage, the elliptical table is driven to rotate eccentrically around the center axis of the eccentric hole by pushing the elongated push rod, the steel rail is driven to translate on the cement sleeper, the spacing of the steel rails is adjusted, the structure is simple, the operation difficulty is low, the spacing of the steel rails can be safely and quickly adjusted, and the track maintenance efficiency is greatly improved.

[0013] Compared with the hydraulic track spacing adjuster, the device is light in weight, convenient to carry, easy to produce, low in manufacturing cost and greatly reduced in track maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the appearance schematic view of the utility model;

[0015] Figure 2 is the re-routing device and the elongated push rod assembly schematic view of the utility model;

[0016] Figure 3 is the re-routing device schematic view of the utility model;

[0017] Figure 4 is the re-routing device cross section schematic view of the utility model;

[0018] Figure 5 is the elongated push rod cross section schematic view of the utility model.

[0019] 1, cement sleeper; 2, steel rail; 3, fastener fixing bolt; 4, re-routing device; 5, elongated push rod; 401, elliptical table; 402, stopper table; 403, eccentric hole; 404, sleeve; 405, fixed column; 4051, connecting thread; 501, counterbore passage; 502, connecting screw hole. DETAILED DESCRIPTION

[0020] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should fall within the protection scope of the present application.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. Figures 1-5 The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] As shown in Figure 1 , Figure 2 , a fastener diversion device for a ballast track comprises a cement sleeper 1 and a steel rail 2. The steel rail 2 is provided with vertical and symmetrical fastener fixing bolts 3 fixedly installed on the cement sleeper 1 on both sides. A diversion device 4 is sleeved on the fastener fixing bolts 3. The diversion device 4 comprises an elliptical table 401. A through eccentric circular hole 403 is formed in the long axis of the upper elliptical surface of the elliptical table 401. A concentric vertical upward sleeve 404 is fixedly connected to the upper end of the eccentric circular hole 403. An obliquely upward fixed column 405 is fixedly installed at the long axis end point of the upper elliptical surface of the elliptical table 401. An extension push rod 5 is sleeved on the fixed column 405.

[0023] As shown in Figure 3 , Figure 4 , the fixed column 405 is located outside the sleeve 404. The fixed column 405 is provided with a connecting thread 4051.

[0024] The elliptical table 401 is provided with a semi-elliptical abutting table 402 on the upper elliptical surface. The abutting table 402 is located on the other side of the sleeve 404. The elliptical cylindrical surface of the abutting table 402 coincides with the elliptical cylindrical surface of the elliptical table 401.

[0025] As shown in Figure 5 , a counterbore passage 501 is formed in the center of one end surface of the extension push rod 5. A connecting screw hole 502 is formed in the center of the other end surface of the extension push rod 5. The extension push rod 5 can be sleeved on the fixed column 405 through the counterbore passage 501, which facilitates the use of the extension push rod 5 to push and rotate the diversion device 4. The extension push rod 5 can be threadedly connected to the fixed column 405 through the connecting screw hole 502, which facilitates storage and carrying and avoids loss of the diversion device 4.

[0026] The working process of the utility model discloses: when working, DJK5-1 type track line fastener is detached from the rail, only fastener fixing bolt 3 is left, through eccentric hole 403 and sleeve 404, oval table 401 is sleeved on fastener fixing bolt 3, the oval cylinder surface of oval table 401 and fixed platform 402 abuts against rail 2, extension push rod 5 is sleeved on fixed column 405 through counterbore passage 501, extension push rod 5 drives oval table 401 to eccentrically rotate with the center axis of eccentric hole 403 as the shaft, the vertical distance between eccentric hole 403 and rail 2 is changed, rail 2 is translated on cement sleeper 1, the spacing of rail 2 is adjusted, the structure is simple, the operation difficulty is low, the spacing of rail can be safely and quickly adjusted, and the track maintenance efficiency is greatly improved.

[0027] After maintenance, extension push rod 5 can be screwed on fixed column 405 through connecting screw hole 502, convenient to carry and store, and avoid losing the device 4.

[0028] Compared with the hydraulic track gauge adjuster, the hydraulic track gauge adjuster needs skilled workers to operate, and at least 2 minutes are needed from installation to disassembly, but the device is simple and convenient to operate, and can be completed in two seconds.Taking 7 sleepers with diseases as an example, using the hydraulic track gauge adjuster, the maintenance time is about half an hour, and using the device only needs 10 minutes, and the work efficiency is improved by about 66%.

[0029] Compared with the hydraulic track gauge adjuster, the device is light in weight, convenient to carry, low in cost, and can be operated by one person, and the equipment cost and labor cost are greatly reduced.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fastener-based track realignment device for ballasted tracks, comprising concrete sleepers and rails, wherein the rails are provided with vertically symmetrical fastener fixing bolts fixedly mounted on the concrete sleepers on both sides, characterized in that... The fastener fixing bolt is sleeved with a diversion device, the diversion device comprises an elliptical table, an eccentric circular hole is formed in the upper elliptical surface of the elliptical table, the upper end of the eccentric circular hole is fixedly connected with a concentric vertical sleeve, a fixed column obliquely upward is fixedly installed at the end point of the long axis of the upper elliptical surface of the elliptical table, and an extension push rod is sleeved on the fixed column.

2. The fastener diverting device for ballasted tracks according to claim 1, characterized in that, The fixed column is located outside the sleeve, and a connecting thread is arranged on the fixed column.

3. The fastener diverting device for ballasted tracks according to claim 1, characterized in that, A half-elliptical abutting table is arranged on the upper elliptical surface of the elliptical table, the abutting table is located on the other side of the sleeve, and the elliptical cylindrical surface of the abutting table coincides with the elliptical cylindrical surface of the elliptical table.

4. The fastening diversion device for ballasted tracks according to claim 3, characterized in that, A counterbore channel is formed in the center of one end surface of the extension push rod, a connecting screw hole is formed in the center of the other end surface of the extension push rod, the extension push rod is sleeved on the fixed column through the counterbore channel, and the extension push rod is threadedly connected to the fixed column through the connecting screw hole.