Fixed steel rail damage monitoring sensor mounting structure and mounting method

By setting an interference fit part and a fixed base structure of the connecting rod on the rail, combined with a fixing hoop and bolts, the problem of cumbersome sensor installation and disassembly is solved, the sensor can be quickly installed and disassembled, and the maintenance efficiency is improved.

CN120663970APending Publication Date: 2025-09-19CHINA RAILWAY SHANQIAO GRP CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202510876131.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

The existing fixing device of the rail damage monitoring sensor needs to dismantle the rail when dismantling and replacing it, which is cumbersome and difficult to meet the needs of efficient maintenance.

Method used

The interference fit part and connecting rod structure of the fixed base are adopted. The interference fit part is inserted into the through hole of the rail and combined with the fixing parts and limit blocks to achieve simple installation and disassembly of the sensor. The fixing parts include a fixing hoop and a bolt structure to ensure the stable connection of the sensor.

Benefits of technology

The sensor can be quickly installed and disassembled, which avoids the tedious operation of rail disassembly and improves maintenance efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120663970A_ABST
    Figure CN120663970A_ABST
Patent Text Reader

Abstract

The invention discloses a fixed steel rail damage monitoring sensor mounting structure and mounting method.The fixed steel rail damage monitoring sensor mounting structure comprises a fixed base, the end of the fixed base extends to form an interference part, and the end of the interference part extends to form a connecting rod; the interference part and the connecting rod are inserted into a through hole formed in the steel rail, and the through hole is formed in the rail web position of the steel rail; according to the invention, the structure is reasonable, the fixed base for mounting the sensor can be dismounted without dismounting the steel rail, the operation is simple, and the use requirements can be better met.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of rail damage monitoring, and in particular to a fixed rail damage monitoring sensor installation structure and installation method. Background Art

[0002] Traditional turnout inspection methods often rely on manual labor and are inefficient. New inspection methods usually install the inspection equipment on the rails through a fixed structure, achieving relative stillness with the rails, realizing anti-loosening and anti-rotation functions, and can monitor the turnout status in real time, thereby better discovering and preventing safety risks.

[0003] For example, the utility model patent with authorization publication number CN211475435U discloses a fixing device for a rail acceleration sensor, which alleviates the technical problems in the prior art that the acceleration sensor is inconvenient to install on the rail and difficult to ensure the stability of long-term monitoring.

[0004] However, when the device is used, the fixing mechanism is installed from the bottom of the rail. When the clamping structure is aged and damaged and needs to be disassembled, the rail needs to be removed first before the clamping structure can be disassembled. The operation is relatively cumbersome and cannot meet the use requirements well. Summary of the Invention

[0005] The object of the present invention is to provide a fixed rail damage monitoring sensor installation structure to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A fixed rail damage monitoring sensor installation structure comprises a fixed base, an interference portion extending from the end of the fixed base, and a connecting rod extending from the end of the interference portion; the interference portion and the connecting rod are inserted into a through hole opened in the rail, and the through hole is set at the waist of the rail; a sensor is installed on the connecting rod through a fixing piece.

[0008] As a preferred solution, the end of the interference portion is provided with a chamfer.

[0009] As a preferred solution, the fixing part includes a mounting groove opened at the end of the connecting rod, the sensor is inserted in the mounting groove, a pair of separation grooves are opened on the connecting rod at positions corresponding to the mounting grooves, the pair of separation grooves divide the connecting rod into two upper and lower fixed buckles, a fixing hoop is provided at the position of the fixing buckle corresponding to the end of the connecting rod, fixing grooves are opened at both ends of the fixing hoop, a fixing bolt is passed through the fixing groove position, the other end of the fixing bolt extends into the fixing groove on the other side and is threaded with a fixing nut.

[0010] As a preferred solution, a limit block is provided on the sensor, a limit slot is opened at a corresponding position in the installation slot, and the limit block is inserted into the limit slot.

[0011] As a preferred solution, an auxiliary notch is further provided on the inner side of the fixing hoop.

[0012] A method for installing a fixed rail damage monitoring sensor comprises the following steps:

[0013] S1. Pass the connecting rod at the end of the fixed base through the through hole on the rail;

[0014] S2. Align the limit block on the sensor with the limit slot, and then insert the sensor into the installation slot;

[0015] S3. Put the fixing hoop onto the connecting rod, then insert the fixing bolt into the fixing groove, and screw the fixing nut on the other end of the fixing bolt to lock the fixing hoop, so that the fixing clip can clamp the sensor, and the installation is completed.

[0016] As a preferred solution, the fixing part includes a sensor housing, a mounting cavity is provided in the sensor housing, the sensor is inserted into the mounting cavity, a connecting external thread is provided on the outer side of the connecting rod, the end of the connecting rod passes through the through hole on the rail and is threaded with a connecting nut, and the sensor housing is threadedly screwed on the end of the connecting rod through the nut seat at the end.

[0017] A method for installing a fixed rail damage monitoring sensor comprises the following steps:

[0018] P1. Pass the connecting rod at the end of the fixed base through the through hole on the rail;

[0019] P2. Screw the connecting nut onto the end of the connecting rod and make the end of the connecting nut contact the rail;

[0020] P3. Insert the sensor into the sensor housing;

[0021] P4. Screw the sensor housing onto the end of the connecting rod to complete the installation.

[0022] Compared with the existing technology, the present invention has the following advantages: the provision of an interference fit facilitates the attachment of the fixed base to the rail, making operation simple and enabling easy replacement when the fixed base becomes damaged. The present invention also features a rational structure, allowing the fixed base on which the sensor is mounted to be removed without disassembling the rail, making operation simple and better suited to user needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a fixed rail damage monitoring sensor installation structure installed on a rail;

[0024] Figure 2 This is a schematic diagram of the overall explosion structure of a first embodiment of a fixed rail damage monitoring sensor installation structure;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of a fixed hoop position in an embodiment of a fixed rail damage monitoring sensor installation structure;

[0026] Figure 4 This is a schematic diagram of the overall three-dimensional structure of a second embodiment of a fixed rail damage monitoring sensor installation structure;

[0027] Figure 5 This is a schematic diagram of the overall explosion structure of a second embodiment of a fixed rail damage monitoring sensor installation structure.

[0028] In the figure: 1. Rail; 2. Fixed base; 21. Interference portion; 22. Connecting rod; 23. Mounting groove; 231. Limiting groove; 232. Separating groove; 233. Fixing hoop; 234. Auxiliary notch; 235. Fixing groove; 236. Fixing bolt; 237. Fixing nut; 24. Connecting external thread; 25. Connecting nut; 26. Sensor housing; 261. Mounting cavity; 3. Sensor; 31. Limiting block. DETAILED DESCRIPTION

[0029] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0030] Example 1: Please refer to Figures 1 to 3 A fixed rail damage monitoring sensor installation structure includes: a fixed base 2, an interference portion 21 extending from the end of the fixed base 2, and a connecting rod 22 extending from the interference portion end 21; the interference portion 21 and the connecting rod 22 are inserted into a through hole opened on the rail 2; a sensor 3 is installed on the connecting rod 22 through a fixing part.

[0031] In order to facilitate installation, the end of the interference portion 21 is provided with a chamfer. By providing the interference portion 21, it is convenient to clamp the fixing base 2 on the rail 1, and it is convenient to disassemble and assemble. By providing the chamfer, it is convenient to insert the interference portion 21 into the through hole of the rail 1.

[0032] As a further solution, the fixing member includes a mounting groove 23 opened at the end of the connecting rod 22, and the sensor 3 is inserted in the mounting groove 23. A pair of separation grooves 232 are opened on the connecting rod 22 at a position corresponding to the mounting groove 23. The pair of separation grooves 232 divide the connecting rod 22 into two upper and lower fixed buckles. A fixing hoop 233 is provided at the position corresponding to the fixed buckle at the end of the connecting rod 22. Fixing grooves 235 are opened at both ends of the fixing hoop 233. A fixing bolt 236 is passed through the fixing groove 235. The other end of the fixing bolt 236 extends into the fixing groove 235 on the other side and is threaded with a fixing nut 237. In this embodiment, an auxiliary notch 234 is also opened on the inner side of the fixing hoop 233.

[0033] When fixing, after inserting the sensor 3 into the mounting groove 23, put the fixing hoop 233 on the connecting rod 22, then pass the fixing bolt 236 through the fixing groove 235, and screw the fixing nut 237 on its end, so that the two ends of the fixing hoop 233 are close to each other, so that the fixing buckle clamps the sensor 3, and the fixing work of the sensor 3 is completed.

[0034] As a further solution, a limit block 31 is provided on the sensor 3, and a limit slot 231 is provided at a corresponding position in the mounting slot 23, and the limit block 31 is inserted into the limit slot 231. By providing the limit slot 231 and cooperating with the limit block 31, the sensor 3 can be positioned.

[0035] A method for installing a fixed rail damage monitoring sensor comprises the following steps:

[0036] S1. Pass the connecting rod 22 at the end of the fixed base 2 through the through hole on the rail 1;

[0037] S2. Align the limit block 31 on the sensor 3 with the limit groove 231, and then insert the sensor 3 into the installation groove 23;

[0038] S3. Put the fixing hoop 233 onto the connecting rod 22, then insert the fixing bolt 236 into the fixing groove 235, and screw the fixing nut 237 on the other end of the fixing bolt 236 to lock the fixing hoop 233, so that the fixing clip clamps the sensor 3, and the installation work is completed.

[0039] Example 2: Please refer to Figures 4-5A fixed rail damage monitoring sensor mounting structure differs from the first embodiment in that the fixing member includes a sensor housing 26 with a mounting cavity 261 defined therein. The sensor 3 is inserted into the mounting cavity 261. The outer side of the connecting rod 22 is provided with a connecting external thread 24. The end of the connecting rod 22 extends through a through hole in the rail 1 and is threadedly mounted with a connecting nut 25. The housing of the sensor 3 is threadedly mounted on the end of the connecting rod 22 via a nut seat at the end. In this embodiment, the mounting cavity 261 defines a positioning groove for engaging with a stop block 31.

[0040] The working principle of installing the sensor 3 is as follows: during installation, first pass the connecting rod 22 through the through hole on the rail 1, then install the connecting nut 25 to fix the base 2 on the rail 1, then insert the sensor 3 into the installation cavity 261 of the sensor housing 26, and finally, screw the sensor housing 26 onto the end of the connecting rod 22 to complete the installation.

[0041] A method for installing a fixed rail damage monitoring sensor comprises the following steps:

[0042] P1. Pass the connecting rod 22 at the end of the fixed base 2 through the through hole on the rail 1;

[0043] P2. Screw the connecting nut 25 onto the end of the connecting rod 22, and make the end of the connecting nut 25 contact the rail 1;

[0044] P3, insert sensor 3 into sensor housing 26;

[0045] P4. Thread the sensor housing 26 onto the end of the connecting rod 22 to complete the installation.

[0046] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention, and should not be understood as limiting the present invention.

Claims

1. A fixed rail damage monitoring sensor installation structure, characterized in that: include: A fixed base (2), wherein an interference portion (21) extends from the end of the fixed base (2), and a connecting rod (22) extends from the end of the interference portion (21); the interference portion (21) and the connecting rod (22) are inserted into a through hole opened on the rail (1), and the through hole is set at the waist of the rail (1); A sensor (3) is mounted on the connecting rod (22) via a fixing member.

2. The fixed rail damage monitoring sensor installation structure according to claim 1, characterized in that: The end of the interference portion (21) is provided with a chamfer.

3. The fixed rail damage monitoring sensor installation structure according to claim 2, characterized in that: The fixing member includes a mounting groove (23) provided at the end of the connecting rod (22), the sensor (3) being inserted into the mounting groove (23), a pair of separation grooves (232) being provided at positions corresponding to the mounting groove (23) on the connecting rod (22), the pair of separation grooves (232) dividing the connecting rod (22) into two upper and lower fixing buckles, a fixing hoop (233) being provided at the position corresponding to the fixing buckle at the end of the connecting rod (22), fixing grooves (235) being provided at both ends of the fixing hoop (233), a fixing bolt (236) being provided at the position of the fixing groove (235), the other end of the fixing bolt (236) extending into the fixing groove (235) on the other side and being screwed with a fixing nut (237).

4. The fixed rail damage monitoring sensor installation structure according to claim 3, characterized in that: A limiting block (31) is provided on the sensor (3), a limiting slot (231) is provided at a corresponding position in the installation slot (23), and the limiting block (31) is inserted into the limiting slot (231).

5. The fixed rail damage monitoring sensor installation structure according to claim 4, characterized in that: An auxiliary notch (234) is also provided on the inner side of the fixing hoop (233).

6. The method for installing a fixed rail damage monitoring sensor according to claim 5, comprising the following steps: S1. Pass the connecting rod (22) at the end of the fixed base (2) through the through hole on the rail (1); S2, aligning the limiting block (31) on the sensor (3) with the limiting groove (231), and then inserting the sensor (3) into the installation groove (23); S3. Fit the fixing hoop (233) onto the connecting rod (22), then insert a fixing bolt (236) into the fixing groove (235), and screw a fixing nut (237) onto the other end of the fixing bolt (236) to lock the fixing hoop (233), thereby allowing the fixing clip to clamp the sensor (3), and the installation work is completed.

7. The fixed rail damage monitoring sensor installation structure according to claim 2, characterized in that: The fixing member comprises a sensor housing (26), a mounting cavity (261) is provided in the sensor housing (26), the sensor (3) is inserted into the mounting cavity (261), a connecting external thread (24) is provided on the outer side of the connecting rod (22), the end of the connecting rod (22) passes through the through hole on the rail 1 and is threadedly screwed with a connecting nut (25), and the sensor (3) housing is threadedly screwed on the end of the connecting rod (22) through the nut seat at the end.

8. The method for installing a fixed rail damage monitoring sensor according to claim 7 comprises the following steps: P1. Pass the connecting rod (22) at the end of the fixed base (2) through the through hole on the rail (1); P2. Screw the connecting nut (25) onto the end of the connecting rod (22), and make the end of the connecting nut (25) contact the rail (1); P3. Insert the sensor (3) into the sensor housing (26); P4. Thread the sensor housing (26) onto the end of the connecting rod (22) to complete the installation.

Citation Information

Patent Citations

  • Fixing device of steel rail acceleration sensor

    CN211475435U