Improved turnout T-shaped bolt

Abstract

The utility model provides an improved T-shaped bolt for a turnout, and relates to the technical field of bolts. Comprising a bolt head and a screw integrally formed with the bolt head, a threaded section is arranged on the screw, a limiting block is arranged at the bottom of the bolt head, and an anti-rotation block for preventing the bolt head from rotating is arranged on the side edge of the limiting block. And through arrangement of the anti-rotation block, the anti-rotation block is in contact with the inner wall of the barrier gate iron base, so that the situation that the bolt head and the screw rotate at the same time when the nut is screwed is prevented, and the situation that the bolt cannot be retightened is avoided.

Description

Technical Field

[0001] This utility model relates to the field of bolt technology, and in particular to an improved turnout T-bolt. Background Technology

[0002] During turnout maintenance, loosening the nuts on the T-bolts is the most common operation. When maintaining turnouts, it is necessary to loosen and tighten a large number of turnout T-bolts (turnout T-bolts are installed inside the iron base plate).

[0003] Because the fasteners are exposed to the elements year-round and subject to wind and rain, they often become rusted. When using an internal combustion bolt wrench or an electric bolt wrench to tighten the nuts, the high speed of the bolt wrench, combined with the varying degrees of rust on the T-bolts, often causes the T-bolts to rotate with the nut inside the iron base during tightening, resulting in the inability to tighten the T-bolts.

[0004] Therefore, this utility model provides an improved turnout T-bolt. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and provide an improved turnout T-bolt.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an improved turnout T-bolt, comprising a bolt head and a screw integrally formed with the bolt head, wherein the screw is provided with a threaded section;

[0007] The bottom of the bolt head is provided with a limiting block, and the side of the limiting block is provided with an anti-rotation block to prevent the bolt head from rotating.

[0008] In a preferred embodiment, the limiting block has a slot on its side.

[0009] In a preferred embodiment, the limiting block has an arc angle on one side of the anti-rotation block.

[0010] In one preferred embodiment, the limiting block has a "U" shaped structure.

[0011] In one preferred embodiment, the limiting block has an "I" shaped structure.

[0012] In a preferred embodiment, the limiting block has a "Z" shaped structure.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] The anti-rotation block is designed to contact the inner wall of the gate base, thereby preventing the bolt head and screw from rotating simultaneously when the nut is tightened, thus avoiding the situation where the bolt cannot be tightened again.

[0015] The rounded corner design prevents the bolt head and screw from contacting the mounting holes of the barrier gate when being removed from the gate plate, thus avoiding obstruction. The embedded rounded corner also prevents the limit block from jamming the mounting holes during parallel movement, facilitating the removal, replacement, and installation of the bolt head and screw. The slotted design ensures that the bolt head and screw do not leave gaps with the barrier gate plate during tightening, guaranteeing a tight overall connection. Attached Figure Description

[0016] Figure 1 A schematic diagram illustrating the overall use of an improved turnout T-bolt provided by this utility model;

[0017] Figure 2 A three-dimensional structural diagram of an improved turnout T-bolt provided by this utility model;

[0018] Figure 3 A schematic diagram of the first form of the limiting block of an improved turnout T-bolt provided by this utility model;

[0019] Figure 4 A schematic diagram of the second form of the limiting block of an improved turnout T-bolt provided by this utility model;

[0020] Figure 5 This utility model provides a schematic diagram of the third form of the limiting block of an improved turnout T-bolt.

[0021] Legend:

[0022] 1. Bolt head; 2. Screw; 3. Limiting block; 31. Anti-rotation block; 32. Groove; 33. Arc angle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] like Figure 1-3As shown, an improved turnout T-bolt includes a bolt head 1, with a screw 2 (integral-formed) fixed to the top of the bolt head 1, and a threaded section on the screw 2. A limiting block 3 is fixed to the bottom of the bolt head 1. The limiting block 3 can be integrally formed with the bolt head 1 (machined) or welded to the bottom of the bolt head 1 using a steel structure plate with a thickness of 3-5mm (suitable for processing existing T-bolts).

[0026] The side of the limiting block 3 is provided with two anti-rotation blocks 31 integrally formed with the limiting block 3 (e.g. Figure 2-3 As shown, a U-shaped structure is formed, and an arc angle 33 is provided between the two anti-rotation blocks 31. The arc angle 33 prevents the bolt head 1 and screw 2 from contacting the components (bolt and nut) at the barrier gate mounting hole when being removed from the barrier gate iron plate, thus avoiding obstruction. The embedded arc angle 33 ensures that the limiting block 3 will not jam the components at the barrier gate mounting hole during parallel movement, thereby facilitating the removal, replacement, and installation of the bolt head 1 and screw 2. The anti-rotation block 31 contacts the inner wall of the barrier gate iron base to prevent the bolt head 1 and screw 2 from rotating simultaneously when the nut is tightened, avoiding the situation where the bolt cannot be tightened back.

[0027] The side of the limiting block 3 is provided with a groove 32 to prevent contact with the contact angle of the barrier gate plate (e.g., Figure 1 As shown), the length of the slot 32 is 3-5mm and the width is 2-4mm. The slot 32 ensures that there will be no gap between the bolt head 1 and the screw 2 and the gate plate when tightening, thus ensuring the tightness of the overall connection.

[0028] Example 2

[0029] This embodiment 2 has the same structure as embodiment 1, the difference being: Figure 2 and Figure 4 As shown, anti-rotation blocks 31 are symmetrically arranged on both sides of the limiting block 3 (forming an I-shaped structure), and the rotation of the bolt head 1 is restricted by the anti-rotation blocks 31 on both sides.

[0030] Example 3

[0031] This embodiment 3 has the same structure as embodiment 1, the difference being: Figure 2 and Figure 5 As shown, a Z-shaped structure is formed by an anti-rotation block 31 (opposite) on each side of the limiting block 3, which restricts the rotation of the bolt head 1 through the opposite anti-rotation blocks 31 on both sides.

[0032] In embodiments 1, 2, and 3, the limiting block 3, anti-rotation block 31, groove 32, and arc angle 33 of the T-bolt are all integrally formed, with an overall thickness of not less than 2mm. The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the above-disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, shall still fall within the protection scope of this utility model's technical solution.

Claims

1. An improved turnout T-bolt, comprising a bolt head (1) and a threaded rod (2) integrally formed with the bolt head (1), wherein the threaded rod (2) is provided with a threaded section, characterized in that, The bottom of the bolt head (1) is provided with a limiting block (3), and the side of the limiting block (3) is provided with an anti-rotation block (31) to prevent the bolt head (1) from rotating. The side of the limiting block (3) is provided with a slot (32), and the limiting block (3) is provided with an arc angle (33) on the limiting block (3) and on the side of the anti-rotation block (31).

2. The improved frog T bolt as claimed in claim 1, wherein: The limiting block (3) has a "U" shaped structure.

3. The improved frog T bolt as claimed in claim 1, wherein: The limiting block (3) has an "I" shaped structure.

4. The improved frog T bolt as claimed in claim 1, wherein: The limiting block (3) has a "Z" shaped structure.

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