CN213358168U

CN213358168U - Shock-absorbing anti-loosening rail

Info

Publication number: CN213358168U
Application number: CN202021832781.8U
Authority: CN
Inventors: 孙文杰
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-04
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to the technical field of railway tracks, in particular to a shock-absorbing and anti-loosening track, comprising a buffer track bed, in which a fixed plug is provided with a plurality of sleeper assemblies spaced along the advancing direction of the track. Rail groups are respectively installed at both ends of the top, and each of the rail groups and the sleeper assemblies are respectively fixedly connected by fixed bolts, and the rail groups are composed of several rails connected end to end. Secured with anti-loosening connection parts. The rail can effectively dampen the rails. When the train passes through the rails, the rails can be effectively buffered and the vibration amplitude can be reduced. The anti-loosening connecting parts provided by the device can effectively realize the connection between the adjacent rails. It is more stable, reduces the probability of loose connection parts such as nuts at the connection part, and has high safety.

Description

Shock-absorbing anti-loosening rail

Technical Field

The utility model relates to a railway rails technical field, in particular to can effectual reduction track vibrations, improve the improved generation structure of track connection stability, especially the locking track that moves of shock attenuation.

Background

Conventional railway tracks are generally made up of two parallel rails which are fixed on sleepers, under which there is ballast, formed by and fastened by railway fittings.

During use of a railway track, the track is subjected to varying vertical, lateral and longitudinal static and seismic loads, which are transmitted from the rails through the sleepers and the track bed to the subgrade.

The connection relation between the adjacent steel rails of the traditional track is realized by adopting a connecting plate to match with bolts and nuts, when the track bears vibration load for a long time, the nuts and the bolts are easy to vibrate and rotate, and finally fall off, so that the adjacent steel rail connecting parts of the track assembly in the use process have great loosening and disjointing phenomena, and certain potential safety hazards exist.

After the teaching and research personnel of our unit discuss, investigate and develop and design for a long time aiming at the existing situation, an improved structure capable of effectively reducing the vibration of the track and improving the stability of track connection is designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the damping anti-loosening track comprises a buffer track bed, wherein a plurality of sleeper components which are arranged at intervals along the advancing direction of the track are installed in the buffer track bed through fixing plugs, steel rail groups are installed at two ends of the top of each sleeper component respectively, each steel rail group is fixedly connected with the sleeper components through fixing bolt connecting pieces, each steel rail group is formed by connecting a plurality of steel rails which are connected end to end, and adjacent steel rails are fixedly connected through anti-loosening connecting parts.

The two sides of each steel rail are respectively provided with a common spike and a base plate which are used for fixedly connecting the steel rail with the lower horizontal section of the corresponding sleeper, two adjacent common spikes on the same base plate are connected through a fastener, and two sides of the lower horizontal section of each sleeper are respectively and fixedly provided with an anticreeper.

Preferably, the buffer ballast bed is formed by filling and paving a plurality of stones, fine sand is filled in gaps among the stones, the particle size range of the stones is 15-30mm, and the particle size range of the fine sand is 2-10 mm.

Preferably, the sleeper assembly comprises a plurality of concrete sleepers arranged at intervals, a wood sleeper is arranged between the adjacent concrete sleepers respectively, and the tops of the concrete sleepers and the tops of the adjacent wood sleepers are fixedly connected with the bottoms of the steel rail sets.

Preferably, an anti-climbing support is arranged between the concrete sleeper and the adjacent wooden sleeper.

Preferably, the anti-loosening connecting component comprises two connecting steel plates which are respectively arranged at two sides of two adjacent steel rails at corresponding positions, two ends of each connecting steel plate are respectively provided with a locking bolt which sequentially penetrates through the two connecting steel plates and a steel rail vertical section at the middle part, one end of each locking bolt is integrally formed with a hexagonal-prism-shaped nut, a threaded section at the other end of each locking bolt extends out of the connecting steel plate at the corresponding position and is respectively screwed with a hexagonal-prism-shaped locking nut, two adjacent locking nuts are fixed through an anti-loosening and anti-rotating piece, and the anti-loosening and anti-rotating piece is used for limiting the rotation of each locking nut.

Preferably, a limit stop ring is respectively arranged on the outer side wall of the middle part of each locking nut.

Preferably, locking rotation-proof piece includes the joint frame that bisymmetry and butt joint set up, two the butt joint end of joint frame all is horizontal butt setting, two the butt joint end of joint frame all rivets through the fix with rivet, two the inside casing lateral wall of joint frame all with correspond position department lock nut's lateral wall offsets tightly two all be provided with on the inside casing lateral wall of joint frame and be used for the joint at each the spacing draw-in groove in the spacing fender ring outside, spacing draw-in groove is used for right lock nut realizes along its axial motion's spacing.

The beneficial effects of the utility model are embodied in:

1. the rail can effectively realize the shock absorption of the steel rail, and the steel rail can be effectively buffered when a train passes through the rail, so that the shock amplitude is reduced;

2. the anti-loosening connecting component arranged through the device can effectively realize the stability of the connection relation between the adjacent steel rails, reduces the occurrence probability of the condition that the connecting pieces such as nuts at the connecting parts are loosened, and has high safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a schematic sectional view of the anti-loosening and anti-rotation member according to embodiment 1 of the present invention.

Fig. 4 is a schematic side view of a part of a rail group according to embodiment 2 of the present invention.

Fig. 5 is an enlarged cross-sectional structural view of the anti-loosening and anti-rotation member according to embodiment 2 of the present invention.

In the figure, 1, a buffer track bed; 101. stones; 102. fine sand; 2. A sleeper assembly; 201. a concrete sleeper; 202. wooden sleepers; 203. an anti-climbing support; 3. a rail group; 301. a steel rail; 4. Fixing the bolt connecting piece; 401. a common spike; 402. a base plate; 403. a fastener; 404. an anti-creeper; 5. A looseness resistant connecting member; 501. a connecting steel plate; 502. locking the bolt; 503. a nut; 504. locking the nut; 5041. a limit stop ring; 505. anti-loosening and anti-rotating pieces; 5051. clamping the frame; 5052. a butt joint end; 5053. riveting; 5054. limiting clamping grooves.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. As shown in fig. 1-5:

example 1:

the shock-absorbing anti-loosening track comprises a buffer track bed 1, wherein a plurality of sleeper components 2 which are arranged at intervals along the advancing direction of the track are installed in the buffer track bed 1 through fixing plugs, steel rail groups 3 are installed at two ends of the top of each sleeper component 2 respectively, each steel rail group 3 is fixedly connected with the sleeper component 2 through fixing bolt connecting pieces 4, each steel rail group 3 is formed by connecting a plurality of steel rails 301 which are connected end to end, and adjacent steel rails 301 are fixedly connected through anti-loosening connecting pieces 5.

Two common spikes 401 used for fixedly connecting the steel rail 301 with the lower horizontal section of the corresponding sleeper and a base plate 402 arranged below the common spikes 401 are respectively arranged on two sides of each steel rail 301, two adjacent common spikes 401 on the same base plate 402 are connected through a fastener 403, and an anti-climbing device 404 is respectively and fixedly arranged on two sides of the lower horizontal section of each sleeper.

Preferably, the buffer ballast bed 1 is formed by filling and paving a plurality of stones 101, fine sand 102 is filled in gaps among the stones 101, the particle size range of the stones 101 is 15-30mm, and the particle size range of the fine sand 102 is 2-10 mm.

This track is through setting up the railway roadbed that fine sand 102 and stone 101 mix, guarantees the support nature of railway roadbed and the performance of shock attenuation nature, cooperates the integrated configuration that concrete sleeper 201 and wooden sleeper 202 interval set up effectively simultaneously to realize the stable bearing of whole rail group 3, synthesizes the anti-seismic performance who promotes rail group 3 spare.

Preferably, the sleeper assembly 2 includes a plurality of spaced concrete sleepers 201, a wooden sleeper 202 is disposed between adjacent concrete sleepers 201, and the tops of the concrete sleepers 201 and the adjacent wooden sleeper 202 are fixedly connected to the bottom of the rail group 3.

Preferably, the anti-loosening connecting component 5 includes two coupling steel plates 501 respectively disposed at two sides of two adjacent steel rails 301 at corresponding positions, two ends of the two coupling steel plates 501 are respectively provided with a locking bolt 502 sequentially passing through the two coupling steel plates 501 and a vertical section of the steel rail 301 at the middle part, one end of each locking bolt 502 is integrally formed with a hexagonal-prism-shaped nut 503, a threaded section of the other end of each locking bolt 502 extends out of the coupling steel plate 501 at the corresponding position and is respectively screwed with a hexagonal-prism-shaped locking nut 504, two adjacent locking nuts 504 are fixed by an anti-loosening and anti-rotating piece 505, and the anti-loosening and anti-rotating piece 505 is used for limiting rotation of each locking nut 504.

The two adjacent steel rails 301 can be stably connected through the anti-loosening connecting part 5, so that the connection stability between the steel rails 301 is effectively guaranteed, the possibility of derailment and disconnection of the joint of the steel rails 301 is reduced, and the use safety is improved.

Locking that can effectual realization to each adjacent lock nut 504 after the piece 505 installation of preventing changeing has realized preventing changeing spacingly to lock nut 504 to the emergence of the rotatory condition that drops of lock nut 504 that can effectual reduction leads to because of vibrations improves connection stability.

Preferably, the anti-loosening and anti-rotation member 505 includes two symmetrical and butted clamping frames 5051, butted ends 5052 of the two clamping frames 5051 are horizontally butted and arranged, the butted ends 5052 of the two clamping frames 5051 are fixedly riveted by rivets 5053, and inner frame side walls of the two clamping frames 5051 are butted and fastened with side walls of the locking nuts 504 at corresponding positions.

When two clamping frames 5051 of the anti-loosening and anti-rotating piece 505 are installed, an operator needs to fix a rivet 5053 of a riveting part by using a riveting device to match and beat, riveting and fixing are finally achieved, and the two clamping frames 5051 are enabled to abut against and prevent rotation of the side wall of the lock nut 504 at the corresponding position.

Example 2:

the improvement over example 1 is:

preferably, an anti-creeping support 203 is arranged between the concrete sleeper 201 and the adjacent wooden sleeper 202.

The main function of the anti-climbing support 203 is to ensure the stability of the track and to play a role in anti-climbing.

Preferably, a limit stop 5041 is respectively arranged on the outer side wall of the middle part of each locking nut 504.

Preferably, the side walls of the inner frames of the two clamping frames 5051 are provided with limiting clamping grooves 5054 for clamping the outer sides of the limiting baffle rings 5041, and the limiting clamping grooves 5054 are used for limiting the axial movement of the lock nut 504.

The spacing draw-in groove 5054 that adds after this optimization cooperates the joint in the both sides of the spacing fender ring 5041 that corresponds to realized the restriction to the axial displacement of two joint frames 5051, thereby further guaranteed the restriction of lock nut 504's degree of freedom, guaranteed spacing intensity, with the further reduction of anticreep phenomenon, improve the stability and the fastness of connection.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. A shock-absorbing and anti-loosening track is characterized in that it includes a bumper bed, in which a fixed plug is equipped with a number of sleeper assemblies spaced along the advancing direction of the track, and is installed at the top ends of each sleeper assembly respectively. There are steel rail groups, each of the steel rail groups and the sleeper assemblies are respectively connected by fixed bolts, the steel rail group is composed of several steel rails connected end to end, and the adjacent steel rails are connected by anti-loosening connecting parts. Solid connection.

2 . The shock-absorbing and anti-loosening track according to claim 1 , wherein the sleeper assembly comprises a plurality of concrete sleepers arranged at intervals, and a wooden sleeper is respectively provided between the adjacent concrete sleepers, and the The tops of the concrete sleepers and the adjacent wooden sleepers are fixedly connected with the bottom of the steel rail group.

3 . The shock-absorbing and anti-loosening track according to claim 2 , wherein an anti-climbing brace is arranged between the concrete sleeper and the adjacent wooden sleeper. 4 .

4. The shock-absorbing anti-loosening track according to claim 3, wherein the anti-loosening connecting member comprises two connecting steel plates on both sides of the two adjacent steel rails respectively arranged at corresponding positions, and the two The two ends of the connecting steel plates are respectively provided with a locking bolt which passes through the two connecting steel plates and the vertical section of the rail in the middle, and a hexagonal column-shaped nut is integrally formed at one end of each locking bolt. The threaded sections at the other end of the locking bolts protrude from the connecting steel plates at the corresponding positions and are respectively screwed with a hexagonal prism-shaped locking nut, and the two adjacent locking nuts are fixed by an anti-loose and anti-rotation piece , the anti-loosening and anti-rotation parts are used to limit the rotation of each locking nut.

5 . The shock-absorbing and anti-loosening track according to claim 4 , wherein a limit stop ring is respectively provided on the outer side wall of the middle portion of each of the locking nuts. 6 .

6 . The shock-absorbing and anti-loosening track according to claim 5 , wherein the anti-loosening and anti-rotation member comprises two symmetrical and butt-jointed clamping frames, and the butt ends of the two clamping frames are horizontally abutted against each other. 7 . The butt ends of the two clamping frames are fixed and riveted by rivets, and the side walls of the inner frames of the two clamping frames are abutted against the side walls of the locking nuts at the corresponding positions. The inner frame side wall of the clamping frame is provided with a limit slot for clipping on the outer side of each limit stop ring, and the limit slot is used to realize the axial direction of the locking nut. Movement limit.