CN213978383U

CN213978383U - Low-temperature-resistant plate-type ballastless track

Info

Publication number: CN213978383U
Application number: CN202022905720.6U
Authority: CN
Inventors: 董慧; 董美黎
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-17
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses an anti microthermal plate-type ballastless track, including the concrete base, the top surface both sides of concrete base are equipped with the coupling mechanism of two sets of symmetries, the concrete that the top surface front and back end of concrete base was equipped with the symmetry keeps off the platform, be equipped with the track board between the coupling mechanism, the bottom surface of track board is equipped with the inoxidizing coating, the top surface of track board is equipped with the rail of symmetry, the both sides of rail are equipped with the fastener mechanism that is equipped with the multiunit symmetry. A microthermal resistant board-like ballastless track belongs to board-like ballastless track field, the coupling mechanism of setting makes things convenient for operating personnel to carry out quick installation and dismantlement to the track board, easy operation is swift when operating personnel uses, the fastener mechanism of setting for with rail fixed connection on the track board, and prevent that the rail from producing not hard up on the track board, stability and security when increasing the track use, the inoxidizing coating of setting for improve the cryogenic temperature resistance performance of whole device.

Description

Low-temperature-resistant plate-type ballastless track

Technical Field

The utility model relates to a board-like ballastless track field, in particular to low temperature resistant board-like ballastless track.

Background

With the continuous development of the times, the low-temperature resistant plate-type ballastless track plays an important role in the process, and the ballastless track is a track structure which adopts an integral foundation such as concrete and asphalt mixture to replace a loose gravel track bed and is also called as a ballastless track. But current low temperature resistant board-like ballastless track takes place the damage easily under adverse circumstances, influences orbital life, and current board-like ballastless track operates complicacy inconvenience when installing moreover, simultaneously, after long-time use for can produce not hard up as the nut that the fastener was used, thereby can lead to the condition that the guide rail can appear sending, will influence orbital stability and security, serious meeting causes the condition emergence of derailing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an anti microthermal board-like ballastless track can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anti microthermal board-like ballastless track, includes the concrete base, the top surface both sides of concrete base are equipped with the coupling mechanism of two sets of symmetries, the concrete that the top surface front and back end of concrete base was equipped with the symmetry keeps off the platform, be equipped with the track board between the coupling mechanism, the bottom surface of track board is equipped with the inoxidizing coating, the top surface of track board is equipped with the rail of symmetry, the both sides of rail are equipped with the fastener mechanism that is equipped with the multiunit symmetry.

Preferably, coupling mechanism includes fixed block, dead lever, second compression spring, movable block and fixture block, fixed block fixed mounting is on the top surface of concrete foundation, one horizontal recess has been seted up to the top surface of fixed block, the inslot fixed mounting of recess has the dead lever, movable mounting has the second compression spring on the pole body of dead lever, the rear end fixed mounting of second compression spring is on the right side cell wall of recess, the through-hole has been seted up at the bottom position of movable block, the movable block passes through-hole movable mounting on the dead lever, the front end fixed mounting of second compression spring is on the inside wall of movable block, the top surface fixed mounting of movable block has the fixture block, and its usage lies in, realizes the high-speed joint and the dismantlement to the track board, and easy operation is convenient during the use.

Preferably, the top surface of the concrete base is provided with symmetrical positioning grooves, and the purpose of the concrete base is to be matched with the use of a track slab.

Preferably, the protective layer is made of a teflon plate, and a through positioning groove is formed in the top surface of the teflon plate, so that the purpose of the protective layer is to improve the low-temperature resistance of the whole device.

Preferably, the top surface of track board has seted up the track groove of symmetry, the spread groove of multiunit symmetry has been seted up to the both sides in track groove, the thread groove has been seted up to the bottom surface of spread groove, the draw-in groove of two sets of symmetries has been seted up on the both sides lateral wall of track board, the top surface fixed mounting of track board has the locating piece of symmetry, and its usage lies in, realizes the location installation of track board, cooperates the use of fastener mechanism simultaneously.

Preferably, the fastener mechanism comprises a connecting block, a steel bar nut and a first compression spring, symmetrical connecting blocks are fixedly mounted on the side walls of two sides of the bottom end of the steel rail, a through nut groove is formed in the top surface of the connecting block, the steel bar nut is movably mounted inside the nut groove, the first compression spring is mounted inside the thread groove in advance in a rotating mode and is matched with the first compression spring, and the lower end of the steel bar nut is located in the thread groove and is matched with the first compression spring.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the coupling mechanism who sets up, make things convenient for operating personnel to install fast and dismantle the track board, easy operation is swift when operating personnel uses, and the fastener mechanism of setting is used for rail fixed connection on the track board to prevent that the rail from producing not hard up on the track board, stability and security when increasing the track use, the inoxidizing coating of setting for improve the anti low temperature performance of whole device.

Drawings

Fig. 1 is a schematic plan view of the overall structure of a low temperature resistant slab ballastless track of the present invention;

fig. 2 is a schematic plan sectional view of the overall structure of a low temperature resistant slab ballastless track of the present invention;

fig. 3 is a schematic plan sectional view of a fastening mechanism of a low temperature resistant slab ballastless track according to the present invention;

fig. 4 is a schematic sectional view of a connection plane of a track slab, a teflon slab and a concrete base of the low temperature resistant slab ballastless track of the present invention;

fig. 5 is a schematic plan sectional view of a connecting mechanism of a low temperature resistant slab ballastless track of the present invention;

fig. 6 is the utility model relates to a low temperature resistant slab ballastless track's movable block cross-sectional plan view.

In the figure: 1. a concrete base; 2. a connecting mechanism; 3. a concrete block platform; 4. a track plate; 5. a steel rail; 6. a fastener mechanism; 7. a protective layer; 8. a track groove; 9. connecting grooves; 10. connecting blocks; 11. a nut groove; 12. a reinforcing steel bar nut; 13. a thread groove; 14. a first compression spring; 15. a Teflon plate; 16. positioning blocks; 17. positioning a groove; 18. a card slot; 19. a fixed block; 20. a groove; 21. fixing the rod; 22. a second compression spring; 23. a movable block; 24. a clamping block; 25. and a through hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a low temperature resistant slab ballastless track comprises a concrete base 1, two sets of symmetrical connecting mechanisms 2 are arranged on two sides of the top surface of the concrete base 1, symmetrical concrete blocking platforms 3 are arranged at the front end and the rear end of the top surface of the concrete base 1, a track slab 4 is arranged between the connecting mechanisms 2, a protective layer 7 is arranged on the bottom surface of the track slab 4, symmetrical steel rails 5 are arranged on the top surface of the track slab 4, and a plurality of sets of symmetrical fastener mechanisms 6 are arranged on two sides of the steel rails 5.

In this embodiment, in order to facilitate the operation of connecting and disconnecting the track slab 4, the connecting mechanism 2 includes a fixed block 19, a fixed rod 21, a second compression spring 22, a movable block 23 and a fixture block 24, the fixed block 19 is fixedly installed on the top surface of the concrete base 1, a horizontal groove 20 is opened on the top surface of the fixed block 19, the fixed rod 21 is fixedly installed in the groove of the groove 20, the second compression spring 22 is movably installed on the rod body of the fixed rod 21, the rear end of the second compression spring 22 is fixedly installed on the right groove wall of the groove 20, a through hole 25 is opened at the bottom end portion of the movable block 23, the movable block 23 is movably installed on the fixed rod 21 through the through hole 25, the front end of the second compression spring 22 is fixedly installed on the inner side wall of the movable block 23, the fixture block 24 is fixedly installed on the top surface of the movable block 23, when the track slab 4 is placed between the connecting mechanisms 2, the second compression spring 22 performs retraction movement on the fixed rod 21, the movable block 23 is driven to move towards the rear end on the fixed rod 21 through the through hole 25, the movable block 23 drives the fixture block 24 to retract backwards, and then the fixture block 24 enters the fixture groove 18 through reverse operation.

In this embodiment, in order to realize the positioning and installation of the track slab 4, the top surface of the concrete base 1 is provided with symmetrical positioning grooves 17, and the positioning grooves 17 and the positioning blocks 16 are clamped.

In this embodiment, in order to increase the low temperature resistance of the whole device, the protection layer 7 is formed by a teflon plate 15, a through positioning groove 17 is formed on the top surface of the teflon plate 15, the low temperature resistance effect is realized through the material property of the teflon plate 15, and the positioning groove 17 on the teflon plate 15 is used for matching the combination and installation of the track plate 4.

In this embodiment, in order to cooperate the use of fastener mechanism 6, the track groove 8 of symmetry is seted up to the top surface of track board 4, the connecting groove 9 of multiunit symmetry is seted up to the both sides of track groove 8, thread groove 13 has been seted up to the bottom surface of connecting groove 9, the draw-in groove 18 of two sets of symmetries has been seted up on the both sides lateral wall of track board 4, the top surface fixed mounting of track board 4 has the locating piece 16 of symmetry, track groove 8 wherein is used for placing rail 5, and connecting groove 9 is used for placing connecting block 10, thread groove 13 is used for cooperating the use of steel bar nut 12 simultaneously.

In addition, the fastener mechanism 6 comprises a connecting block 10, a reinforcing steel bar nut 12 and a first compression spring 14, the symmetrical connecting blocks 10 are fixedly installed on the side walls of the two sides of the bottom end of the steel rail 5, the top surface of the connecting block 10 is provided with a through nut groove 11, the reinforcing steel bar nut 12 is movably installed inside the nut groove 11, the first compression spring 14 is installed inside the thread groove 13 in advance in a rotating mode and is matched with the first compression spring 14, the lower end part of the reinforcing steel bar nut 12 is positioned in the thread groove 13 and is matched with the first compression spring 14, by screwing the first compression spring 14 into the threaded groove 13 in advance, the first compression spring 14 will engage with the threaded groove 13, and then the reinforcing bar nut 12 is screwed, the reinforcing bar nut 12 is inserted into the first compression spring 14 through the nut groove 11, and is matched with the first compression spring 14, and the first compression spring 14 is retracted through the continuous entering of the reinforced bar nut 12.

It should be noted that, when the utility model is used, firstly, the teflon plate 15 is installed on the bottom surface of the track plate 4 through the positioning groove 17 formed thereon, and the positioning block 16 passes through the positioning groove 17, then the positioning block 16 on the bottom surface of the track plate 4 is symmetrical to the positioning groove 17 formed on the concrete base 1, and the positioning block 16 is clamped in the positioning groove 17 formed on the concrete base 1, in the clamping process, the clamping block 24 is blocked by the outer wall of the track plate 4, the second compression spring 22 installed on the fixing rod 21 in the groove 20 formed on the fixing block 19 makes retraction movement, and drives the movable block 23 at the front end to move to the rear end on the fixing rod 21 through the through hole 25, and after being completely opened and closed, the second compression spring 22 makes extension movement, and pushes the movable block 23 at the front end to the front end of the fixing rod 21, at this time, the front end of the latch block 24 will enter into the latch groove 18, and the track plate 4 will be supported between the connection mechanisms 2, then the first compression spring 14 will be screwed into the threaded groove 13 opened on the bottom surface of the connection groove 9 on the top surface of the track plate 4 by means of rotation connection, the first compression spring 14 will be completely engaged with the threaded groove 13, then the steel rail 5 and the connection block 10 installed on both sides of the bottom end thereof will be placed into the track groove 8 and the connection groove 9, then the reinforcement nut 12 will be installed into the nut groove 11 opened in the connection block 10, then the reinforcement nut 12 will be screwed to make the reinforcement nut 12 pass through the nut groove 11 and enter into the threaded groove 13, at this time, the front end of the nut groove 11 will enter into the middle position of the first compression spring 14 and engage with the first compression spring 14, by continuously screwing the reinforcement nut 12, the first compression spring 14 in the threaded groove 13 will make a helical retraction movement, until the reinforcing bar nut 12 is not screwed, the steel rail 5 is completely fixed on the track plate 4, and the steel rail 5 is not loosened by the cooperation of the reinforcing bar nut 12 and the first compression spring 14.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a low temperature resistant board-like ballastless track which characterized in that: including concrete foundation (1), the top surface both sides of concrete foundation (1) are equipped with coupling mechanism (2) of two sets of symmetries, the concrete that the top surface front and back end of concrete foundation (1) was equipped with the symmetry keeps off platform (3), be equipped with track board (4) between coupling mechanism (2), the bottom surface of track board (4) is equipped with inoxidizing coating (7), the top surface of track board (4) is equipped with rail (5) of symmetry, the both sides of rail (5) are equipped with fastener mechanism (6) that are equipped with the multiunit symmetry.

2. The low temperature resistant slab ballastless track of claim 1, wherein: the connecting mechanism (2) comprises a fixed block (19), a fixed rod (21), a second compression spring (22), a movable block (23) and a clamping block (24), the fixed block (19) is fixedly arranged on the top surface of the concrete base (1), a transverse groove (20) is formed in the top surface of the fixed block (19), the fixed rod (21) is fixedly arranged in the groove of the groove (20), the second compression spring (22) is movably arranged on a rod body of the fixed rod (21), the rear end of the second compression spring (22) is fixedly arranged on the right side groove wall of the groove (20), a through hole (25) is formed in the bottom end part of the movable block (23), the movable block (23) is movably arranged on the fixed rod (21) through the through hole (25), and the front end of the second compression spring (22) is fixedly arranged on the inner side wall of the movable block (23), and a clamping block (24) is fixedly arranged on the top surface of the movable block (23).

3. The low temperature resistant slab ballastless track of claim 1, wherein: and symmetrical positioning grooves (17) are formed in the top surface of the concrete base (1).

4. The low temperature resistant slab ballastless track of claim 1, wherein: the protective layer (7) is composed of a Teflon plate (15), and a through positioning groove (17) is formed in the top surface of the Teflon plate (15).

5. The low temperature resistant slab ballastless track of claim 1, wherein: the track board is characterized in that symmetrical track grooves (8) are formed in the top surface of the track board (4), multiple groups of symmetrical connecting grooves (9) are formed in the two sides of the track grooves (8), threaded grooves (13) are formed in the bottom surface of the connecting grooves (9), two groups of symmetrical clamping grooves (18) are formed in the side walls of the two sides of the track board (4), and symmetrical positioning blocks (16) are fixedly mounted on the top surface of the track board (4).

6. The low temperature resistant slab ballastless track of claim 1, wherein: fastener mechanism (6) are including connecting block (10), reinforcing bar nut (12) and first compression spring (14), fixed mounting has symmetrical connecting block (10) on the bottom both sides lateral wall of rail (5), nut groove (11) that link up have been seted up to the top surface of connecting block (10), the inside movable mounting of nut groove (11) has reinforcing bar nut (12), first compression spring (14) are installed in advance in the inside of thread groove (13) and are agreed with each other through the pivoted mode, the lower extreme position of reinforcing bar nut (12) is located thread groove (13) and agrees with each other with first compression spring (14).