Rapidly-mounted rail fastener

By setting notches and alignment blocks at the tail end of the spiral rail spikes, combined with friction rubber blocks and magnets, the problem of low fastening efficiency of spiral rail spikes is solved, enabling rapid installation and stable connection, and improving the overall installation efficiency and stability of rail fasteners.

CN223723505UActive Publication Date: 2025-12-26SUZHOU SUDLAND RAILWAY ACCESSORIES CO LTD
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Patent Information

Application Number
CN202520274174.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-26
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

The existing spiral rail spikes have low fastening efficiency, resulting in insufficient installation efficiency of rail fasteners.

Method used

A quick-installation rail fastener was designed. By combining a notch and an alignment block at the tail end of the spiral rail spike, friction is increased using friction rubber blocks and magnets to prevent the spiral rail spike from rotating. Stability is also improved by an anti-detachment component.

Benefits of technology

It enables rapid installation of spiral spikes and improves the installation efficiency of track fasteners, enhances the stability of spiral spikes within sleepers, and reduces the impact of vibration on installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fasteners, in particular to a quick installation type rail fastener. According to the technical scheme, the fastening assembly comprises a screw spike tail end, a notch and an alignment block, the notch is formed in a thread of the screw spike tail end, the alignment block is fixedly installed in the sleeper, the screw spike tail end is inserted into the sleeper along the alignment block through the notch, the notch is parallel to the axis of the screw spike tail end, and the screw spike tail end is connected with the screw spike tail end. After the tail ends of the screw spikes are inserted into the sleeper, the notches and the alignment blocks are staggered. The tail end of the screw spike is quickly inserted into the sleeper from the alignment block through the notch formed in the tail end of the screw spike, the notch and the alignment block are staggered by rotating the tail end of the screw spike, and the friction force is increased by utilizing the thread friction between the friction rubber block and the tail end of the screw spike, so that the tail end of the screw spike is prevented from rotating; therefore, the tail ends of the screw spikes can be left in the sleeper, and the installation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field especially relates to quick installation type rail fastener. BACKGROUND

[0002] Rail fastener is the key part for fixing and connecting each part of rail system, firmly connects rail and sleeper, rail and rail, sleeper and track bed and other rail parts together, ensures the integrity of rail system, can evenly transmit the huge load generated when train runs, including vertical load, horizontal load and vibration load etc.

[0003] Rail fastener is usually fixed by spiral spike, spiral spike uses the mechanical principle of thread, when screwing into the reserved hole of matched sleeper etc.

[0004] Because the size of spiral spike is long, so its screwing speed is slow, usually uses electric tool to tighten, but because the number of spiral spike required on rail fastener is large, reduces the fastening efficiency of rail fastener. INVENTION CONTENTS

[0005] The utility model discloses a quick installation type rail fastener, which is aimed at the problem of low fastening efficiency of spiral spike on rail fastener in the background art.

[0006] The technical scheme of the utility model discloses a quick installation type rail fastener, which comprises a track bed, a sleeper fixedly installed on the top of the track bed and two symmetrical steel rails fixedly installed on the top of the sleeper.

[0007] A fastening assembly is arranged on the sleeper, which comprises a spiral spike tail end, a notch and a positioning block.

[0008] The notch is parallel to the axis of the spiral spike tail end, and the notch is misaligned with the positioning block after the spiral spike tail end is inserted into the sleeper.

[0009] Optionally, the notch is parallel to the axis of the spiral spike tail end, the opening width of the notch is the same as the width of the positioning block, a reserved hole is arranged on the top of the steel rail, and the spiral spike tail end is threadedly connected with the steel rail.

[0010] Optionally, the two sides of the alignment block are fixedly installed with friction rubber blocks, and the threads on the tail end of the spiral spike are in contact with the friction rubber blocks.

[0011] Optionally, the tail end of the spiral spike is fixedly installed with a head end, and the tail end of the spiral spike is in a polygonal structure.

[0012] Optionally, the inside of the sleeper is provided with symmetrically arranged anti-disengagement components, the anti-disengagement components comprise a folding rod and a threaded clamp block, the inside of the sleeper is slidably connected with the folding rod, one end of the folding rod is fixedly connected with the threaded clamp block, and the threaded clamp block is threadedly connected with the tail end of the spiral spike.

[0013] Optionally, the end of the threaded clamp block is fixedly installed with a magnet, the alignment block is a square iron block, and the magnet at the end of the threaded clamp block is in contact with the alignment block.

[0014] Optionally, the inside of the sleeper is provided with an avoiding sliding groove, the avoiding sliding groove is used for sliding of the folding rod and the threaded clamp block, the other end of the folding rod is fixedly connected with a sliding block, and the sliding block slides on the top of the sleeper.

[0015] Optionally, a plurality of sleepers are arranged, and the sleepers are distributed in a straight line at equal intervals along the ballast bed.

[0016] Compared with the prior art, the application has at least one of the following beneficial technical effects:

[0017] The gap in the tail end of the spiral spike enables the tail end of the spiral spike to be quickly inserted into the inside of the sleeper from the alignment block, the gap is misaligned with the alignment block by rotating the tail end of the spiral spike, the friction between the friction rubber block and the threads of the tail end of the spiral spike is utilized to increase the friction, the tail end of the spiral spike is prevented from rotating, and thus the tail end of the spiral spike can be left in the inside of the sleeper, and the installation efficiency is improved.

[0018] Further, the alignment block and the threaded clamp block are aligned by the magnet, the tail end of the spiral spike is prevented from being disengaged from the inside of the sleeper after the gap is aligned with the alignment block, the magnet increases the friction between the threaded clamp block and the tail end of the spiral spike, and the position stability of the tail end of the spiral spike is improved.

[0019] Still further, two threaded clamp blocks are arranged on the two sides of the tail end of the spiral spike, one threaded clamp block is always connected with the alignment block when vibration occurs, and the magnet can quickly reset the threaded clamp block after the threaded clamp block is separated from the alignment block, so that the threaded clamp block is connected with the alignment block, and thus the influence of vibration on installation stability is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A whole structure schematic view of one embodiment of the utility model is given;

[0021] Figure 2 A steel rail structure schematic diagram of an embodiment of the present application is given.

[0022] Figure 3 A rail structure half-section schematic diagram is given.

[0023] Figure 4 A spiral spike tail end structure schematic diagram is given.

[0024] Reference signs: 1, track bed; 2, sleeper; 3, steel rail; 4, fastening assembly; 41, spiral spike head end; 42, spiral spike tail end; 43, notch; 44, alignment block; 45, friction rubber block; 5, anti-disengagement assembly; 51, sliding block; 52, folding rod; 53, avoiding sliding groove; 54, threaded clamping block. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.

[0026] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0027] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms “first”, “second”, “third” are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside intercommunication. For ordinary skilled person in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0030] Embodiment 1

[0031] The utility model provides a quick installation type rail fastener, as shown in the drawing, including track bed 1, the top fixed mounting of track bed 1 is sleeper 2, sleeper 2 is set up multiple, and along track bed 1 is linear equidistant distribution, and the top fixed mounting of sleeper 2 is symmetrically distributed two rails 3; Figure 1

[0032] As shown in the drawing, the inside of sleeper 2 is provided with fastening assembly 4, as shown in the drawing, and as shown in the drawing, Figure 2 Figure 3 And Figure 4 Fastening assembly 4 includes spiral spike tail end 42, notch 43 and alignment block 44, notch 43 is set up on the thread of spiral spike tail end 42, notch 43 is parallel with the axis line of spiral spike tail end 42, the top of rail 3 is provided with reserved hole, spiral spike tail end 42 is threadedly connected with rail 3, and spiral spike tail end 42 is used to fix sleeper 2 and rail 3 together.

[0033] Sleeper 2 is fixedly installed with alignment block 44, spiral spike tail end 42 is inserted into the inside of sleeper 2 along alignment block 44 through notch 43, and the opening width of notch 43 is same with the width of alignment block 44. Spiral spike tail end 42 is quickly inserted into the inside of sleeper 2 by notch 43 on spiral spike tail end 42, notch 43 is parallel with the axis line of spiral spike tail end 42, after spiral spike tail end 42 is inserted into the inside of sleeper 2, spiral spike tail end 42 is rotated to make notch 43 misaligned with alignment block 44.

[0034] Friction rubber block 45 is fixedly installed on the both sides of alignment block 44, and the thread on spiral spike tail end 42 is in contact with friction rubber block 45. Spiral spike tail end 42 is fixedly installed with spiral spike head end 41 at the end, and the end of spiral spike tail end 42 adopts polygonal structure.

[0035] ​​In this embodiment, the gap 43 on the spiral spike tail end 42 allows the spiral spike tail end 42 to be quickly inserted into the inside of the sleeper 2 from the alignment block 44, and the gap 43 is misaligned with the alignment block 44 by rotating the spiral spike tail end 42, so that the spiral spike tail end 42 can be left in the inside of the sleeper 2, and the friction rubber block 45 is used to increase the friction with the threads of the spiral spike tail end 42 to increase the friction and prevent the spiral spike tail end 42 from rotating.

[0036] Embodiment 2

[0037] Based on the basis of Embodiment 1, this embodiment proposes a fast installation type rail fastener, as shown in Figure 2 and Figure 3 The inside of the sleeper 2 is provided with a symmetrical anti-disengagement assembly 5, which includes a folding rod 52 and a threaded clamp block 54. The folding rod 52 is slidably connected to the inside of the sleeper 2, one end of the folding rod 52 is fixedly connected to the threaded clamp block 54, and the threaded clamp block 54 is threadedly connected to the spiral spike tail end 42.

[0038] The threaded clamp block 54 is connected to the alignment block 44, so that the overall length of the threaded clamp block 54 and the alignment block 44 is greater than the opening of the gap 43, avoiding the rotation of the gap 43 to the alignment block 44, causing the spiral spike tail end 42 to disengage.

[0039] The end of the threaded clamp block 54 is fixedly provided with a magnet, and the alignment block 44 is a square iron block. The magnet at the end of the threaded clamp block 54 is in contact with the alignment block 44. The magnetism of the threaded clamp block 54 increases the resistance to rotation of the spiral spike tail end 42, improving stability. When the track is shaken, the magnet can quickly reset the threaded clamp block 54 to connect it with the alignment block 44. Since there are two anti-disengagement assemblies 5, there are threaded clamp blocks 54 on both sides of the spiral spike tail end 42. When shaken, one of the threaded clamp blocks 54 is threadedly connected to the spiral spike tail end 42, preventing the spiral spike tail end 42 from disengaging.

[0040] The inside of the sleeper 2 is provided with an avoidance sliding groove 53, which is used for the sliding of the folding rod 52 and the threaded clamp block 54. The other end of the folding rod 52 is fixedly connected with a sliding block 51, which slides on the top of the sleeper 2.

[0041] In this embodiment, the magnet aligns the alignment block 44 and the threaded clamp block 54, preventing the spiral spike tail end 42 from disengaging from the inside of the sleeper 2 after the gap 43 is aligned with the alignment block 44. At the same time, the magnet increases the friction between the threaded clamp block 54 and the spiral spike tail end 42, improving the positional stability of the spiral spike tail end 42. When shaken, the magnet can quickly reset the threaded clamp block 54 to connect it with the alignment block 44.

[0042] The above specific embodiments are only several optional embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A fast-mounting rail fastener, characterised in that, The utility model relates to a rail fastening device, including: A track bed (1), the top of the track bed (1) is fixedly installed with a sleeper (2), the top of the sleeper (2) is fixedly installed with two symmetrical steel rails (3); A fastening assembly (4) including a spiral spike tail end (42), a notch (43) and an alignment block (44), the notch (43) is opened on the thread of the spiral spike tail end (42), the alignment block (44) is fixedly installed in the sleeper (2), the spiral spike tail end (42) is inserted into the interior of the sleeper (2) along the alignment block (44) through the notch (43); The notch (43) is parallel with the axial line of the spiral spike tail end (42), after the spiral spike tail end (42) is inserted into the interior of the sleeper (2), the notch (43) is misaligned with the alignment block (44).

2. The fast-mounting rail fastener of claim 1, wherein: The notch (43) is parallel with the axial line of the spiral spike tail end (42), the opening width of the notch (43) is same with the width of the alignment block (44), the top of the steel rail (3) is provided with a reserved hole, and the spiral spike tail end (42) is threadedly connected with the steel rail (3).

3. The fast-mounting rail fastener of claim 1, wherein: The two sides of the alignment block (44) are fixedly installed with friction rubber blocks (45), and the thread on the spiral spike tail end (42) is in contact with the friction rubber blocks (45).

4. The fast-mounting rail fastener of claim 3, wherein: The end of the spiral spike tail end (42) is fixedly installed with a spiral spike head end (41), and the end of the spiral spike tail end (42) adopts a polygonal structure.

5. The fast-mounting rail fastener of claim 1, wherein: The interior of the sleeper (2) is provided with symmetrically arranged anti-disengagement assemblies (5), the anti-disengagement assemblies (5) include a folding rod (52) and a threaded clamp block (54), the folding rod (52) is slidably connected in the interior of the sleeper (2), one end of the folding rod (52) is fixedly connected with the threaded clamp block (54), and the threaded clamp block (54) is threadedly connected with the spiral spike tail end (42).

6. The fast-mounting rail fastener of claim 5, wherein: The end of the threaded clamp block (54) is fixedly installed with a magnet, the alignment block (44) adopts a square iron block, and the magnet at the end of the threaded clamp block (54) is in contact with the alignment block (44).

7. The fast-mounting rail fastener of claim 6, wherein: The interior of the sleeper (2) is provided with an avoiding sliding groove (53), the avoiding sliding groove (53) is used for the sliding of the folding rod (52) and the threaded clamp block (54), the other end of the folding rod (52) is fixedly connected with a sliding block (51), and the sliding block (51) slides on the top of the sleeper (2).

8. The fast-mounting rail fastener of claim 1, wherein: The sleeper (2) is provided with multiple sleepers, and the sleepers are linearly and equidistantly distributed along the track bed (1).