CN217127880U

CN217127880U - Prestressed concrete sleeper

Info

Publication number: CN217127880U
Application number: CN202220414720.2U
Authority: CN
Inventors: 杜桦杨; 于昕
Original assignee: Qiqihaer Futie Sleeper Co ltd
Current assignee: Qiqihaer Futie Sleeper Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-05
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a prestressed concrete sleeper, including sleeper body and rail, the upper end of sleeper body is equipped with the recess corresponding with the rail, be equipped with stop gear in the recess, the lower extreme of rail extends to in the recess, the both sides of rail all are equipped with the clamp splice, one side that the clamp splice is close to the rail is equipped with hold-down mechanism, the lower extreme of clamp splice extends to in the recess and fixedly connected with movable block, the both sides of sleeper body all are equipped with the slot, the top is equipped with the opening corresponding with the movable block in the slot, the lower extreme of movable block runs through the opening and extends to in the slot, two movable blocks and slot and fixedly connected with handle are run through in proper order to the one end of two-way screw rod. The utility model discloses a when the setting of mechanisms such as movable block, clamp splice and briquetting makes things convenient for the installation of sleeper and rail to the steadiness is stronger, can adjust not unidimensional rail simultaneously, and application scope is than.

Description

Prestressed concrete sleeper

Technical Field

The utility model relates to a sleeper technical field especially relates to a prestressed concrete sleeper.

Background

Sleepers are an important component of track construction and have the function of supporting the rails, maintaining gauge and track orientation, and transferring the load of the rails to the track bed. The sleeper can be divided into wood sleeper, concrete sleeper and steel sleeper according to the material, wherein the concrete sleeper has the advantages of long service life, high stability, relatively low cost, less maintenance workload, low loss rate and rejection rate and the like, so the sleeper is widely applied to heavy haul railways, but the stability, the processing and forming efficiency and the bearing capacity of the existing concrete sleeper are still to be improved.

Thus, the application numbers are: the utility model patent of CN201922264054.X provides a prestressed concrete sleeper for heavy haul railway, which comprises a body, wherein the body is provided with a plurality of sleeper middle parts and a plurality of rail lower parts … …, so that the processing difficulty of a concrete sleeper mould is reduced, and the demoulding quality of the concrete sleeper is improved;

however, this utility model in the in-service use, inconvenient and rail installation to can't adjust according to the size of rail, the suitability is relatively poor, be unfavorable for the product promotion.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned utility model and in the in-service use in-process, inconvenient and rail installation to can't adjust according to the size of rail, the suitability is relatively poor, be unfavorable for the product to push away, and the prestressed concrete sleeper who proposes.

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

a prestressed concrete sleeper comprises a sleeper body and a steel rail, wherein the upper end of the sleeper body is provided with a groove corresponding to the steel rail, a limiting mechanism is arranged in the groove, the lower end of the steel rail extends into the groove, clamping blocks are arranged on two sides of the steel rail, a pressing mechanism is arranged on one side of the clamping block close to the steel rail, the lower end of the clamping block extends into the groove and is fixedly connected with a moving block, the two sides of the sleeper body are both provided with slots, the top in the slots is provided with openings corresponding to the moving blocks, the lower end of the moving block penetrates through the opening and extends into the slot, the inner wall of the slot is rotationally connected with a bidirectional screw rod, one end of the bidirectional screw penetrates through the two moving blocks and the slot in sequence and is fixedly connected with the handle, the bidirectional screw is in threaded connection with the moving blocks, and the bidirectional screw is provided with a stabilizing mechanism.

Preferably, the pressing mechanism comprises a sliding groove arranged on one side, close to the steel rail, of the clamping block, a pressing block is connected to the inner wall of the sliding groove in a sliding mode, one end of the pressing block penetrates through the sliding groove, a bolt is inserted into the pressing block, the bolt is in threaded connection with the clamping block, the lower end of the bolt penetrates through the pressing block and is rotatably connected with the inner bottom of the sliding groove, the upper end of the bolt penetrates through the clamping block, and the bolt is rotatably connected with the clamping block.

Preferably, the stabilizing mechanism comprises a stabilizing disc sleeved on the two-way screw in a rotating mode, and one side of the stabilizing disc is fixedly connected with the outer wall of the sleeper body.

Preferably, a stabilizer bar is slidably inserted in the moving block, and two ends of the stabilizer bar respectively penetrate through the moving block and are fixedly connected with the inner opposite side walls of the opening.

Preferably, the limiting mechanism comprises a limiting block fixed at the bottom in the groove, a limiting groove corresponding to the limiting block is arranged at the lower end of the steel rail, and the upper end of the limiting block extends into the limiting groove.

Preferably, the lower end of the pressing block and one side of the clamping block close to the steel rail are fixedly connected with a second rubber pad.

Preferably, the inner bottom of the groove is fixedly connected with a first rubber pad.

Has the advantages that:

1. when the rail clamp is used, a steel rail is placed in the groove, the position of the steel rail is prevented from changing through the limiting block, then the position of the clamping block is adjusted through the size of the steel rail, the bidirectional screw is driven to rotate through the handle, the bidirectional screw drives the two moving blocks to move in opposite directions through the effect of threaded meshing, the clamping block is driven to move through the moving blocks, the steel rail is clamped through the clamping block, and the stability of the steel rail is improved, and the wage steel rail is loosened;

2. simultaneously, rotate the bolt, the bolt drives the clamp splice downstream through thread engagement's effect, compresses tightly the rail through the clamp splice, further improves the steadiness of rail, the utility model discloses a setting of mechanisms such as movable block, clamp splice and briquetting makes things convenient for the sleeper and the rail installation in to the steadiness is stronger, can adjust not unidimensional rail simultaneously, and application scope is wider.

Drawings

Fig. 1 is a schematic structural view of a prestressed concrete sleeper according to the present invention;

fig. 2 is a schematic front view of a prestressed concrete sleeper according to the present invention;

fig. 3 is the utility model provides a structural schematic diagram of a department of prestressed concrete sleeper.

In the figure: the sleeper comprises a sleeper body 1, a moving block 2, a bidirectional screw 3, a steel rail 4, a clamping block 5, a pressing block 6, a stabilizing disc 7, a limiting block 8, a first rubber pad 9, a stabilizing bar 10, a bolt 11 and a second rubber pad 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a prestressed concrete sleeper comprises a sleeper body 1 and a rail 4, wherein a groove corresponding to the rail 4 is formed in the upper end of the sleeper body 1, a first rubber pad 9 is fixedly connected to the inner bottom of the groove and used for improving the tightness between the rail 4 and the inner bottom of the groove, a limiting mechanism is arranged in the groove and comprises a limiting block 8 fixed to the inner bottom of the groove and used for preventing the rail 4 from moving, a limiting groove corresponding to the limiting block 8 is formed in the lower end of the rail 4, the upper end of the limiting block 8 extends into the limiting groove, the lower end of the rail 4 extends into the groove, and clamping blocks 5 are arranged on two sides of the rail 4;

in the embodiment, a pressing mechanism is arranged on one side, close to the steel rail 4, of the clamping block 5, the pressing mechanism comprises a sliding groove arranged on one side, close to the steel rail 4, of the clamping block 5, a pressing block 6 is connected to the inner wall of the sliding groove in a sliding mode and used for pressing the steel rail 4, one end of the pressing block 6 penetrates through the sliding groove, a second rubber pad 12 is fixedly connected to the lower end of the pressing block 6 and one side, close to the steel rail 4, of the clamping block 5 and used for improving the stability after pressing, a bolt 11 is inserted into the pressing block 6, the bolt 11 is in threaded connection with the clamping block 6, the lower end of the bolt 11 penetrates through the pressing block 6 and is in rotary connection with the inner bottom of the sliding groove, the upper end of the bolt 11 penetrates through the clamping block 5, and the bolt 11 is in rotary connection with the clamping block 5;

in the embodiment, the lower end of the clamping block 5 extends into the groove and is fixedly connected with the moving block 2 to drive the clamping block 5 to move, slots are formed in the two sides of the sleeper body 1, an opening corresponding to the moving block 2 is formed in the top of each slot, the lower end of the moving block 2 penetrates through the opening and extends into the slots, the stabilizing rod 10 is inserted into the moving block 2 in the sliding mode to improve the stability of the moving block 2 during moving, and the two ends of the stabilizing rod 10 penetrate through the moving block 2 respectively and are fixedly connected with the inner opposite side walls of the openings;

in the embodiment, the inner wall of the slot is rotatably connected with a bidirectional screw 3 for driving the moving blocks 2 to move, one end of the bidirectional screw 3 sequentially penetrates through the two moving blocks 2 and the slot and is fixedly connected with a handle, the bidirectional screw 3 is in threaded connection with the moving blocks 2, the bidirectional screw 3 is provided with a stabilizing mechanism, the stabilizing mechanism comprises a stabilizing disc 7 rotatably sleeved on the bidirectional screw 3 for improving the stability of the bidirectional screw 3 during rotation, and one side of the stabilizing disc 7 is fixedly connected with the outer wall of the sleeper body 1;

in the embodiment, the steel rail 4 is firstly arranged in the groove, the position of the steel rail 4 is prevented from changing through the limiting block 8, then the position of the clamping block 5 is adjusted through the size of the steel rail 4, the bidirectional screw rod 3 is driven to rotate through the handle, the bidirectional screw rod 3 drives the two moving blocks 2 to move in opposite directions through the meshing effect of threads, the clamping block 5 is driven to move through the moving block 2, the steel rail 4 is clamped through the clamping block 5, and the stability of the steel rail 4 and the looseness of the steel rail 4 are improved; simultaneously, rotate bolt 11, bolt 11 drives clamp splice 6 downstream through thread engagement's effect, compresses tightly rail 4 through clamp splice 6, further improves rail 4's steadiness, the utility model discloses a setting of mechanisms such as movable block, clamp splice and briquetting makes things convenient for when sleeper and rail installation to the steadiness is stronger, can adjust not unidimensional rail simultaneously, and application scope is wider.

As described above, each component (component not described in specific structure) selected in the present application is a general standard component or a component known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through a technical manual or through a routine experiment method.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A prestressed concrete sleeper, includes sleeper body (1) and rail (4), its characterized in that: the track sleeper comprises a sleeper body (1), and is characterized in that a groove corresponding to a steel rail (4) is formed in the upper end of the sleeper body (1), a limiting mechanism is arranged in the groove, the lower end of the steel rail (4) extends into the groove, clamping blocks (5) are arranged on two sides of the steel rail (4), a pressing mechanism is arranged on one side, close to the steel rail (4), of each clamping block (5), the lower end of each clamping block (5) extends into the groove and is fixedly connected with a moving block (2), slots are formed in two sides of the sleeper body (1), openings corresponding to the moving blocks (2) are formed in the tops of the slots, the lower ends of the moving blocks (2) penetrate through the openings and extend into the slots, a bidirectional screw (3) is rotatably connected to the inner walls of the slots, one end of the bidirectional screw (3) sequentially penetrates through the two moving blocks (2) and the slots and is fixedly connected with a handle, and the bidirectional screw (3) is in threaded connection with the moving blocks (2), and a stabilizing mechanism is arranged on the bidirectional screw (3).

2. A prestressed concrete sleeper as defined in claim 1, wherein: hold-down mechanism is including setting up the spout that is close to rail (4) one side in clamp splice (5), sliding connection has briquetting (6) on the inner wall of spout, the spout is run through to the one end of briquetting (6), briquetting (6) interpolation is equipped with bolt (11), be threaded connection between bolt (11) and clamp splice (5), the lower extreme of bolt (11) runs through briquetting (6) and rotates with the interior bottom of spout to be connected, clamp splice (5) are run through to the upper end of bolt (11), be connected for rotating between bolt (11) and the clamp splice (5).

3. A prestressed concrete sleeper as defined in claim 1, wherein: the stabilizing mechanism comprises a stabilizing disc (7) which is rotatably sleeved on the two-way screw (3), and one side of the stabilizing disc (7) is fixedly connected with the outer wall of the sleeper body (1).

4. A prestressed concrete sleeper as defined in claim 1, wherein: and a stabilizer bar (10) is inserted in the moving block (2) in a sliding manner, and two ends of the stabilizer bar (10) respectively penetrate through the moving block (2) and are fixedly connected with the inner opposite side walls of the opening.

5. A prestressed concrete sleeper as defined in claim 1, wherein: the limiting mechanism comprises a limiting block (8) fixed at the bottom in the groove, a limiting groove corresponding to the limiting block (8) is formed in the lower end of the steel rail (4), and the upper end of the limiting block (8) extends into the limiting groove.

6. A prestressed concrete sleeper as defined in claim 2, wherein: the lower end of the pressing block (6) and one side of the clamping block (5) close to the steel rail (4) are fixedly connected with a second rubber pad (12).

7. A prestressed concrete sleeper as defined in claim 1, wherein: the inner bottom of the groove is fixedly connected with a first rubber pad (9).