Embedded steel rail damage monitoring sensor mounting device and mounting method

Abstract

The invention discloses an embedded steel rail damage monitoring sensor mounting device and mounting method.The embedded steel rail damage monitoring sensor mounting device comprises a sensor base, a sensor shell and a sensor cover; the sensor base and the sensor shell are inserted into through holes formed in a steel rail, the sensor base and the sensor shell are fixedly connected through fasteners, and a sensor installation cavity is formed in the sensor shell. According to the steel rail sensor, the structure is reasonable, the sensor can be conveniently fixed to the steel rail, the fixing strength between the sensor and the steel rail is guaranteed, monitoring work can be better carried out, and therefore the use requirement can be better met.

Description

Technical Field

[0001] The invention relates to the technical field of rail damage monitoring, and in particular to an embedded rail damage monitoring sensor installation device. Background Art

[0002] Nearly 20% of railway-related accidents occur at turnout sections. In the context of high-volume, high-speed railway operations, the need for monitoring the operating conditions of railway turnouts has become increasingly prominent, and it is also a necessary means to prevent and reduce related accidents. The location of railway turnout damage is variable and develops rapidly. Failure to provide timely warnings and treatment may even lead to major safety accidents. Therefore, real-time damage monitoring of rails with the help of monitoring sensor equipment is a development trend.

[0003] The sensor installation device of the railway turnout monitoring sensor equipment needs to be able to work for a long time in harsh open-air environments, and at the same time firmly connect the sensor to the rail to ensure accurate monitoring signal collection and smooth signal transmission. In addition, it also needs to be easy to install and facilitate sensor replacement. Summary of the invention

[0004] The object of the present invention is to provide an embedded rail damage monitoring sensor installation device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An embedded rail damage monitoring sensor installation device comprises: a sensor base, a sensor housing and a sensor cover; the sensor base and the sensor housing are inserted into a through hole opened on the rail, the sensor base and the sensor housing are fixedly connected by fasteners, a sensor installation cavity is provided in the sensor housing, and a sensor cover is detachably installed on a side of the sensor housing corresponding to the sensor installation cavity by a fixing screw.

[0007] As a preferred solution, the head of the sensor base is in the shape of a hexagonal prism, and the tail of the sensor base is provided with a chamfer.

[0008] As a preferred solution, the tail of the sensor base is inserted into the through hole, and the tail of the sensor base and the through hole are interference fit.

[0009] As a preferred solution, the fastener includes a threaded blind hole opened at the rear of the sensor base, and a threaded column is installed at one end of the sensor housing away from the sensor cover, and the threaded column is threadedly screwed into the threaded blind hole.

[0010] As a preferred solution, the threaded column is coated with anti-loosening glue.

[0011] A method for installing an embedded rail damage monitoring sensor comprises the following steps:

[0012] S1. Install the sensor in the sensor installation cavity, and then fix the sensor cover to the connecting end cover of the sensor housing by fixing screws;

[0013] S2. Insert the tail of the sensor base into the through hole on the rail;

[0014] S3. Apply a layer of anti-loosening glue on the threaded column of the sensor housing;

[0015] S4. Insert the sensor housing from the other end of the through hole, and then rotate the sensor housing so that the threaded column on the sensor housing is screwed into the threaded blind hole at the tail of the sensor base.

[0016] As a preferred solution, the fastener includes a sinking groove opened on the head of the sensor base, a fastening hole is opened in the sinking groove, a fastening thread groove is opened at one end of the sensor housing away from the sensor cover, a fastening bolt is passed through the fastening hole, and the other end of the fastening bolt is threadedly screwed into the fastening thread groove.

[0017] As a preferred solution, a limiting groove is provided at the tail of the sensor base, a limiting protrusion is installed on a corresponding side of the sensor housing, and the limiting protrusion is inserted into the limiting groove.

[0018] As a preferred solution, the fastening bolts are coated with anti-loosening glue.

[0019] A method for installing an embedded rail damage monitoring sensor comprises the following steps:

[0020] F1. Install the sensor in the sensor installation cavity, and then fix the sensor cover to the connecting end cover of the sensor housing with fixing screws;

[0021] F2. Insert the tail of the sensor base into the through hole on the rail;

[0022] F3. Insert the sensor housing from the other side of the through hole, and insert the limiting protrusion on the sensor housing into the limiting groove at the rear of the sensor base;

[0023] F4. Apply a layer of anti-loosening glue on the end of the fastening bolt;

[0024] F5. Pass the fastening bolt through the fastening hole and screw the end thread of the fastening bolt into the fastening thread groove of the sensor housing.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows: the sensor cover can be detachably installed by fixing screws, so that the sensor can be easily taken out of the sensor installation cavity, which is convenient for inspection and maintenance; the sensor base and the sensor housing are fixed in the through hole of the rail by fasteners and anti-loosening glue, which can improve the fixing effect and effectively prevent the sensor base and the sensor housing from loosening and falling off. The present invention has a reasonable structure, which is convenient for fixing the sensor on the rail, and ensures the fixing strength between the sensor and the rail, so as to better carry out monitoring work, thereby better meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of an embedded rail damage monitoring sensor installation device installed on a turnout;

[0027] Figure 2 It is a cross-sectional structural schematic diagram of an embedded rail damage monitoring sensor installation device installed at a turnout position;

[0028] Figure 3 It is a schematic diagram of the overall three-dimensional structure of a first embodiment of an embedded rail damage monitoring sensor installation device;

[0029] Figure 4 This is a schematic diagram of the three-dimensional structure of a sensor base position in an embodiment of an embedded rail damage monitoring sensor installation device;

[0030] Figure 5 This is a schematic diagram of an explosion structure at the location of a sensor housing in an embodiment of an embedded rail damage monitoring sensor installation device;

[0031] Figure 6 It is a schematic diagram of the overall explosion structure of a second embodiment of an embedded rail damage monitoring sensor installation device;

[0032] Figure 7 The figure is a schematic diagram of the overall explosion structure of a second embodiment of an embedded rail damage monitoring sensor installation device.

[0033] In the figure: 1. Rail; 11. Through hole; 2. Sensor base; 21. Chamfer; 22. Threaded blind hole; 23. Sinking groove; 24. Fastening bolt; 25. Limiting groove; 26. Fastening hole; 3. Sensor housing; 31. Connecting end cover; 32. Sensor mounting cavity; 33. Threaded column; 34. Fastening threaded groove; 35. Limiting protrusion; 4. Sensor cover; 41. Fixing screw. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example: See Figures 1 to 5 , an embedded rail damage monitoring sensor installation device, comprising: a sensor base 2, a sensor housing 3 and a sensor cover 4; the sensor base 2 and the sensor housing 3 are inserted into the through hole 11 opened on the rail 1, and the sensor base 2 and the sensor housing 3 are fixedly connected by fasteners, and a sensor installation cavity 32 is provided in the sensor housing 3, and a sensor cover 4 is detachably installed on a side of the sensor housing 3 corresponding to the sensor installation cavity 32 by a fixing screw 41. The sensor cover 4 is fixed to the outside of the connecting end cover 31 by the fixing screw 41, so that the sensor can be installed in the sensor installation cavity 32, which is simple to operate, convenient to disassemble, and convenient for the inspection and maintenance of the sensor. In this embodiment, the sensor monitors the vibration signal of the rail, thereby realizing the monitoring of the damage of the rail.

[0036] As a further solution, the head of the sensor base 2 is in the shape of a hexagonal prism, the tail of the sensor base 2 is provided with a chamfer, the tail of the sensor base 2 is inserted into the through hole 11, and the tail of the sensor base 2 is interference fit with the through hole 11. By providing a hexagonal head, it is convenient to confirm the direction and facilitate installation, and the chamfered setting makes it convenient to insert the tail of the sensor base 2 into the through hole 11, and the interference fit can effectively prevent the sensor base 2 from loosening and improve the fixing effect.

[0037] As a further solution, the fastener includes a threaded blind hole 22 opened at the rear of the sensor base 2 , and a threaded column 33 is installed at one end of the sensor housing 3 away from the sensor cover 4 , and the threaded column 33 is screwed into the threaded blind hole 22 .

[0038] In order to improve the fixing effect, anti-loosening glue is coated on the threaded column 33. By setting the anti-loosening glue, the connection strength between the threaded column 33 and the threaded blind hole 22 can be improved, and it can withstand greater impact and vibration, and can withstand a certain degree of high temperature, corrosion, and moisture, and can effectively prevent the sensor base 2 and the sensor housing 3 from loosening and falling off due to vibration, impact or temperature changes.

[0039] A method for installing an embedded rail damage monitoring sensor comprises the following steps:

[0040] S1, installing the sensor in the sensor installation cavity 32, and then fixing the sensor cover 4 on the connecting end cover 31 of the sensor housing 3 by fixing screws 41;

[0041] S2, inserting the tail of the sensor base 2 into the through hole 11 on the rail 1;

[0042] S3, applying a layer of anti-loosening glue on the threaded column 33 of the sensor housing 3;

[0043] S4, insert the sensor housing 3 from the other end of the through hole 11, and then rotate the sensor housing 3 so that the threaded column 33 on the sensor housing 3 is screwed into the threaded blind hole 22 at the rear of the sensor base 2.

[0044] For example 2, please refer to Figures 6-7 , an embedded rail damage monitoring sensor installation device, which differs from the first embodiment in that: the fastener includes a sinking groove 23 opened at the head of the sensor base 2, a fastening hole 26 is opened in the sinking groove 23, a fastening thread groove 34 is opened at one end of the sensor housing 3 away from the sensor cover 4, a fastening bolt 24 is passed through the fastening hole 26, and the other end of the fastening bolt 24 is threadedly screwed into the fastening thread groove 34.

[0045] As a further solution, the tail of the sensor base 2 is provided with a limiting groove 25, and a limiting protrusion 35 is installed on the corresponding side of the sensor housing 3, and the limiting protrusion 35 is inserted into the limiting groove 25. By providing the limiting protrusion 35 to cooperate with the limiting groove, the sensor housing 3 is conveniently positioned.

[0046] In order to improve the fixing effect, the fastening bolts 24 are coated with anti-loosening glue.

[0047] A method for installing an embedded rail damage monitoring sensor comprises the following steps:

[0048] F1. Install the sensor in the sensor installation cavity 32, and then fix the sensor cover 4 to the connecting end cover 31 of the sensor housing 3 by fixing screws 41;

[0049] F2. Insert the tail of the sensor base 2 into the through hole 11 on the rail 1;

[0050] F3. Insert the sensor housing 3 from the other side of the through hole 11, and insert the limiting protrusion 35 on the sensor housing 3 into the limiting groove 25 provided at the rear of the sensor base 2;

[0051] F4. Apply a layer of anti-loosening glue on the end of the fastening bolt 24;

[0052] F5. Pass the fastening bolt 24 through the fastening hole 26 and screw the end of the fastening bolt 24 into the fastening thread groove 34 of the sensor housing 3.

[0053] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom", etc. indicate directions or positional relationships 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 limitations on the present invention.

Claims

1. An embedded rail damage monitoring sensor installation device, characterized in that: include: A sensor base (2), a sensor housing (3) and a sensor cover (4); The sensor base (2) and the sensor housing (3) are inserted into a through hole (11) provided on the rail (1); the sensor base (2) and the sensor housing (3) are fixedly connected via a fastener; a sensor installation cavity (32) is provided in the sensor housing (3); a sensor cover (4) is detachably mounted on one side of the sensor housing (3) corresponding to the sensor installation cavity (32) via a fixing screw (41).

2. The embedded rail damage monitoring sensor installation device according to claim 1 is characterized in that: The head of the sensor base (2) is in the shape of a hexagonal prism, and the tail of the sensor base (2) is provided with a chamfer.

3. The embedded rail damage monitoring sensor installation device according to claim 2 is characterized in that: The tail of the sensor base (2) is inserted into the through hole (11), and the tail of the sensor base (2) and the through hole (11) are interference fit.

4. The embedded rail damage monitoring sensor installation device according to claim 3 is characterized in that: The fastener comprises a threaded blind hole (22) opened at the rear of the sensor base (2); a threaded column (33) is installed at one end of the sensor housing (3) away from the sensor cover (4); and the threaded column (33) is threadedly screwed into the threaded blind hole (22).

5. The embedded rail damage monitoring sensor installation device according to claim 4 is characterized in that: The threaded column (33) is coated with anti-loosening glue.

6. The method for installing an embedded rail damage monitoring sensor according to claim 5 comprises the following steps: S1, installing the sensor in the sensor installation cavity (32), and then fixing the sensor cover (4) to the connecting end cover (31) of the sensor housing (3) by fixing screws (41); S2, inserting the tail of the sensor base (2) into the through hole (11) on the rail (1); S3, applying a layer of anti-loosening glue on the threaded column (33) of the sensor housing (3); S4. Insert the sensor housing (3) from the other end of the through hole (11), and then rotate the sensor housing (3) so that the threaded column (33) on the sensor housing (3) is screwed into the threaded blind hole (22) at the rear of the sensor base (2).

7. The embedded rail damage monitoring sensor installation device according to claim 3 is characterized by: The fastener comprises a sinking groove (23) provided at the head of the sensor base (2), a fastening hole (26) provided in the sinking groove (23), a fastening thread groove (34) provided at one end of the sensor housing (3) away from the sensor cover (4), a fastening bolt (24) passing through the fastening hole (26), and the other end of the fastening bolt (24) being threadedly screwed into the fastening thread groove (34).

8. The embedded rail damage monitoring sensor installation device according to claim 7 is characterized in that: A limiting groove (25) is provided at the rear of the sensor base (2), and a limiting protrusion (35) is installed on a corresponding side of the sensor housing (3), and the limiting protrusion (35) is inserted into the limiting groove (25).

9. The embedded rail damage monitoring sensor installation device according to claim 8, characterized in that: The fastening bolt (24) is coated with anti-loosening glue.

10. The method for installing an embedded rail damage monitoring sensor according to claim 9 comprises the following steps: F1. Install the sensor in the sensor installation cavity (32), and then fix the sensor cover (4) to the connecting end cover (31) of the sensor housing (3) by fixing screws (41); F2. Insert the tail of the sensor base (2) into the through hole (11) on the rail (1); F3. Insert the sensor housing (3) from the other side of the through hole (11), and insert the limiting protrusion (35) on the sensor housing (3) into the limiting groove (25) provided at the rear of the sensor base (2); F4. Apply a layer of anti-loosening glue on the end of the fastening bolt (24); F5. Pass the fastening bolt (24) through the fastening hole (26), and screw the end of the fastening bolt (24) into the fastening thread groove (34) of the sensor housing (3).

Images