Railway track insulation connecting device

By designing a railway track insulation connection device including clamps, insulating plates, bolts, insulating sleeves, nuts and anti-loosening mechanisms, the problem of nut loosening caused by vibration in the prior art is solved, and the stability and service life of the track connection are improved.

CN222666424UActive Publication Date: 2025-03-25SHAANXI RAILWAY INST

Patent Information

Application Number
CN202420944842.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-25
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing railway track insulated connection devices may loosen the nuts due to vibration during the train, affecting the connection stability.

Method used

A railway track insulation connection device including a clamp, an insulating plate, a bolt, an insulating sleeve, a nut and an anti-loosening mechanism is designed. The anti-loosening mechanism consists of a hexagonal cylinder, a moving ring, a fixed cylinder, a moving restriction mechanism, etc. Through the cooperation of the moving restriction mechanism and the anti-loosening mechanism, the nut is not reversed and loosened during rotation.

Benefits of technology

It effectively prevents the nut from reversing and loosening, improves the stability and service life of the track connection, and ensures the stable operation of the track during the train.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222666424U_ABST
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Abstract

The utility model discloses a railway track insulation connecting device which comprises two clamping plates, two railway tracks are arranged between the two clamping plates, a plurality of bolts are arranged in the railway tracks, the two ends of each bolt penetrate through the two clamping plates respectively, insulation plates are arranged on the opposite sides of the two clamping plates respectively, and the two ends of each bolt penetrate through the two clamping plates respectively. The outer side of the bolt is sleeved with an insulating sleeve, the front end of the bolt is in threaded connection with a nut, and a plurality of anti-loosening mechanisms are fixed to the front surface of the front clamping plate. According to the railway track insulation connecting device, the anti-loosening mechanism is arranged, the two railway tracks are clamped through the insulation plate and the clamping plate, then the insulation sleeve is inserted into the insulation plate, the clamping plate and the railway tracks, the bolt is inserted into the insulation sleeve, the nut is in threaded connection with the bolt, and after the nut is tightened, the hexagonal head of the bolt is clamped into the hexagonal hole; then the hexagonal barrel is rotated, the angle of the hexagonal barrel is adjusted to adapt to the nut, the hexagonal barrel and the nut are inserted, the clamping block is clamped into the clamping hole, and therefore the nut can be prevented from reversing and loosening.
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Description

Technical Field

[0001] The utility model relates to the technical field of connection devices, in particular to a railway track insulation connection device. Background Art

[0002] Railways are track lines for trains and other vehicles to travel on. They are formed by splicing multiple tracks. The splicing between tracks requires the use of insulating connecting devices, which connect the two tracks together to form a whole.

[0003] After searching, the existing patent (publication number: CN201082945Y) discloses a reinforced railway rail joint insulation connection assembly, which belongs to the technical field of railway rail joints, including: a rail end insulation plate padding between the rail and the rail end, a groove-shaped insulation plate padding between the rail and the fish plate, an insulation sleeve padding in the bolt connection hole of the fish plate and an insulation washer outside the hole, the insulation sleeve and the insulation washer are connected as a whole, the rail head surface of the rail end insulation plate is high in the middle and low on both sides, a groove is provided in the middle of the rail head surface and the two sides, and a protective sheet is provided on the left and right sides of the bottom surface of the rail head. It is an improvement on the existing rail joint insulation connection assembly, which greatly improves its strength performance, and is anti-aging, non-deformation, and durable.

[0004] Durable ceramic sheets, ceramic columns or ceramic balls are embedded and bonded in the thickness direction of the original insulating components, which greatly improves the strength performance of the rail joint insulating connection components, and improves its comprehensive performance such as wear resistance, pressure resistance and weather resistance, thereby extending its service life. However, it has its shortcomings. The track will vibrate during the running of the train, and there is no anti-loosening mechanism, which may affect the loosening of the nut. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a railway track insulation connection device, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a railway track insulation connection device, including two clamping plates, two railway tracks are arranged between the two clamping plates, a plurality of bolts are arranged inside the railway tracks, the two ends of the bolts pass through the two clamping plates respectively, and insulating plates are arranged on the opposite sides of the two clamping plates, the outer side of the bolts is provided with an insulating sleeve, the front end of the bolt is threaded with a nut, and a plurality of anti-loosening mechanisms are fixed to the front surface of the front clamping plate, the anti-loosening mechanism includes a hexagonal cylinder, a movable ring and a fixed cylinder, and the outer side wall of the anti-loosening mechanism is provided with a limiting mechanism.

[0007] Preferably, the front end of the movable ring and the rear end of the hexagonal tube are fixedly connected, the inner wall of the hexagonal tube is provided with a plurality of receiving holes, a spring is fixed inside the receiving hole, a clamping block is fixed at the other end of the spring, and the outer wall of the nut is provided with a plurality of clamping holes.

[0008] Preferably, the movable ring is sleeved on the outside of the fixed cylinder, the rear surface of the fixed cylinder is fixedly connected to the front surface of the clamping plate in front, the outer wall of the movable ring is rotatably connected with a swivel, the inner wall of the swivel is provided with an annular groove, a pull rope is fixed to one end of the block close to the spring, the other end of the pull rope is fixedly connected to the inner wall of the annular groove, and a retaining ring is fixed to the outer wall of the fixed cylinder.

[0009] Preferably, the movement limiting mechanism comprises two blocking rods, the opposite sides of the two blocking rods are fixedly connected to the outer side wall of the fixed cylinder, and the inner side wall of the movable ring is provided with two blocking grooves.

[0010] Preferably, an annular fixing groove is provided on the rear surface of the movable ring, and magnetic rings are fixed on the inside of the annular fixing groove and the front surface of the front clamping plate located on the outside of the fixing cylinder.

[0011] Preferably, the two magnetic rings repel each other, the pull rope is a steel wire rope, and a hexagonal hole is provided on the rear surface of the rear clamping plate.

[0012] The utility model provides a railway track insulation connection device. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The railway track insulation connection device is provided with an anti-loosening mechanism, wherein an insulation plate and a clamping plate clamp two railway tracks, and then an insulation sleeve is inserted into the insulation plate, the clamping plate and the railway track, and then a bolt is inserted into the insulation sleeve, and then a nut is screwed with the bolt. After the nut is tightened, the hexagonal head of the bolt is inserted into the inside of the hexagonal hole, and then the hexagonal tube is rotated, and the angle of the hexagonal tube is adjusted to adapt to the nut, so that the hexagonal tube and the nut are plugged, and the clamping block is inserted into the clamping hole, so that the nut can be prevented from being reversed and loosened.

[0014] 2. The railway track insulation connection device is provided with a movement limiting mechanism. Before rotating the nut, the hexagonal cylinder is rotated and pressed to insert the stopper rod into the inside of the stopper groove. Then the hexagonal cylinder is rotated and released. The two magnetic rings repel each other, causing the stopper rod to be stuck in the inside of the stopper groove. This limits the forward movement of the hexagonal cylinder and the movable ring. After the nut is rotated, the hexagonal cylinder is pressed, and then the hexagonal cylinder is reversed. The two magnetic rings repel each other to cause the hexagonal cylinder to move forward. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2It is a cross-sectional structural schematic diagram of the clamping plate, the anti-loosening mechanism and the movement limiting mechanism in the utility model;

[0017] Figure 3 For this utility model Figure 2 The structural diagram at A in the middle;

[0018] Figure 4 It is a side view structural schematic diagram of the moving ring in the utility model;

[0019] Figure 5 It is a side structural schematic diagram of the rear clamping plate in the utility model.

[0020] In the figure: 1. railway track; 2. anti-loosening mechanism; 3. bolt; 4. nut; 5. clamp; 6. insulating plate; 7. swivel; 8. hexagonal cylinder; 9. fixed cylinder; 10. magnetic ring; 11. insulating sleeve; 12. stopper rod; 13. spring; 14. storage hole; 15. clamping block; 16. clamping hole; 17. pull rope; 18. annular groove; 19. stopper groove; 20. annular fixed groove; 21. movable ring; 22. hexagonal hole; 23. movement limiting mechanism; 24. stopper ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5The utility model provides a technical solution: an insulating connection device for railway track, comprising two clamping plates 5, two railway tracks 1 are arranged between the two clamping plates 5, a plurality of bolts 3 are arranged inside the railway track 1, two ends of the bolts 3 pass through the two clamping plates 5 respectively, insulating plates 6 are arranged on opposite sides of the two clamping plates 5, an insulating sleeve 11 is sleeved on the outer side of the bolt 3, a nut 4 is screwed on the front end of the bolt 3, a plurality of anti-loosening mechanisms 2 are fixed on the front surface of the front clamping plate 5, the anti-loosening mechanism 2 comprises a hexagonal tube 8, a moving ring 21 and a fixed tube 9, a limiting mechanism 23 is arranged on the outer side wall of the anti-loosening mechanism 2, the front end of the moving ring 21 is fixedly connected to the rear end of the hexagonal tube 8, a plurality of receiving holes 14 are opened on the inner side wall of the hexagonal tube 8, a spring 13 is fixed inside the receiving hole 14, a clamping block 15 is fixed on the other end of the spring 13, a plurality of clamping holes 16 are opened on the outer side wall of the nut 4, the moving ring 21 is sleeved on the outer side of the fixed tube 9 On the side, the rear surface of the fixed cylinder 9 is fixedly connected to the front surface of the front clamping plate 5, the outer side wall of the movable ring 21 is rotatably connected with the swivel 7, the inner side wall of the swivel 7 is provided with an annular groove 18, the end of the block 15 close to the spring 13 is fixed with a pull rope 17, the other end of the pull rope 17 is fixedly connected to the inner side wall of the annular groove 18, the outer side wall of the fixed cylinder 9 is fixed with a retaining ring 24, and the rear surface of the rear clamping plate 5 is provided with a hexagonal hole 22, the insulating plate 6 and the clamping plate 5 clamp the two railway tracks 1, then the insulating sleeve 11 is inserted into the insulating plate 6, the clamping plate 5 and the railway track 1, then the bolt 3 is inserted into the insulating sleeve 11, and then the nut 4 is screwed with the bolt 3, after the nut 4 is tightened, the hexagonal head of the bolt 3 is stuck in the inside of the hexagonal hole 22, then the hexagonal cylinder 8 is rotated, the angle of the hexagonal cylinder 8 is adjusted to adapt to the nut 4, the hexagonal cylinder 8 and the nut 4 are plugged, and the block 15 is stuck in the hole 16, which can prevent the nut 4 from reversing and loosening.

[0023] Furthermore, the movement limiting mechanism 23 includes two baffle rods 12, and the opposite sides of the two baffle rods 12 are fixedly connected to the outer wall of the fixed tube 9. The inner wall of the movable ring 21 is provided with two baffle grooves 19, and the rear surface of the movable ring 21 is provided with an annular fixing groove 20. The interior of the annular fixing groove 20 and the front surface of the front clamp 5 located on the outside of the fixed tube 9 are fixed with magnetic rings 10, and the two magnetic rings 10 repel each other. The pull rope 17 is a steel wire rope. Before rotating the nut 4, rotate and press the hexagonal tube 8 to insert the baffle rod 12 into the interior of the baffle groove 19, then rotate the hexagonal tube 8, loosen the hexagonal tube 8, and the two magnetic rings 10 repel each other, so that the baffle rod 12 is stuck in the interior of the baffle groove 19, thereby limiting the forward movement of the hexagonal tube 8 and the movable ring 21. After the nut 4 is rotated, press the hexagonal tube 8, and then reverse the hexagonal tube 8. The two magnetic rings 10 repel each other and move the hexagonal tube 8 forward.

[0024] During operation, the insulating plate 6 and the clamping plate 5 clamp the two railway tracks 1, then the insulating sleeve 11 is inserted into the insulating plate 6, the clamping plate 5 and the railway track 1, then the bolt 3 is inserted into the insulating sleeve 11, and then the nut 4 is screwed to the bolt 3. Before rotating the nut 4, rotate and press the hexagonal tube 8 to insert the blocking rod 12 into the inside of the blocking groove 19, then rotate the hexagonal tube 8, loosen the hexagonal tube 8, the two magnetic rings 10 repel each other, so that the blocking rod 12 is stuck in the inside of the blocking groove 19, thus limiting the forward movement of the hexagonal tube 8 and the movable ring 21, and after the nut 4 is rotated, press the hexagonal tube 8, and then reverse the hexagonal tube 8, the two magnetic rings 10 repel each other to move the hexagonal tube 8 forward, rotate the hexagonal tube 8, adjust the angle of the hexagonal tube 8 to adapt to the nut 4, so that the hexagonal tube 8 and the nut 4 are plugged in, and the clamping block 15 is stuck in the clamping hole 16, which can prevent the nut 4 from reversing and loosening.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A railway track insulation connection device, comprising two clamping plates (5), characterized in that: Two railway tracks (1) are arranged between the two clamping plates (5), and a plurality of bolts (3) are arranged inside the railway tracks (1). The two ends of the bolts (3) pass through the two clamping plates (5) respectively, and insulating plates (6) are arranged on the opposite sides of the two clamping plates (5). The outer sides of the bolts (3) are sleeved with insulating sleeves (11), and the front ends of the bolts (3) are screwed with nuts (4). A plurality of anti-loosening mechanisms (2) are fixed to the front surfaces of the front clamping plates (5), and the anti-loosening mechanisms (2) include a hexagonal cylinder (8), a movable ring (21) and a fixed cylinder (9), and the outer side walls of the anti-loosening mechanisms (2) are provided with a limiting mechanism (23).

2. A railway track insulation connection device according to claim 1, characterized in that: The front end of the movable ring (21) is fixedly connected to the rear end of the hexagonal tube (8); the inner wall of the hexagonal tube (8) is provided with a plurality of receiving holes (14); a spring (13) is fixed inside the receiving hole (14); a clamping block (15) is fixed at the other end of the spring (13); and the outer wall of the nut (4) is provided with a plurality of clamping holes (16).

3. A railway track insulation connection device according to claim 2, characterized in that: The movable ring (21) is sleeved on the outer side of the fixed cylinder (9), the rear surface of the fixed cylinder (9) is fixedly connected to the front surface of the clamping plate (5) in front, the outer wall of the movable ring (21) is rotatably connected to a rotating ring (7), the inner wall of the rotating ring (7) is provided with an annular groove (18), a pull rope (17) is fixed to one end of the clamping block (15) close to the spring (13), the other end of the pull rope (17) is fixedly connected to the inner wall of the annular groove (18), and a retaining ring (24) is fixed to the outer wall of the fixed cylinder (9).

4. A railway track insulation connection device according to claim 3, characterized in that: The movement limiting mechanism (23) comprises two blocking rods (12), the opposite sides of the two blocking rods (12) are fixedly connected to the outer side wall of the fixed cylinder (9), and the inner side wall of the movable ring (21) is provided with two blocking grooves (19).

5. A railway track insulation connection device according to claim 4, characterized in that: An annular fixing groove (20) is provided on the rear surface of the movable ring (21), and a magnetic ring (10) is fixed inside the annular fixing groove (20) and on the front surface of the front clamping plate (5) located outside the fixing cylinder (9).

6. A railway track insulation connection device according to claim 5, characterized in that: The two magnetic rings (10) repel each other, the pull rope (17) is a steel wire rope, and a hexagonal hole (22) is provided on the rear surface of the rear clamping plate (5).

Citation Information

Patent Citations

  • Railway rail joint insulation connection components

    CN201082945Y

Cited By

  • Railway track insulation connection structure

    CN224325632U