CN218624319U

CN218624319U - Tunnel trench cover plate leveling structure

Info

Publication number: CN218624319U
Application number: CN202222789958.6U
Authority: CN
Inventors: 赵朝波; 侯帅龙; 崔国鹏; 单光辉; 姜辉; 梁骞
Original assignee: Beijing Ruite Engineering Construction Supervision Co ltd
Current assignee: Beijing Ruite Engineering Construction Supervision Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-14
Anticipated expiration: 2032-10-21

Abstract

The application relates to a leveling structure of a tunnel trench cover plate, which relates to the technical field of tunnel engineering facilities and comprises a cover plate, a leveling device and a leveling device, wherein the cover plate is arranged in a plate groove at an opening of a trench; the supporting component is supported and fixed between the two inner side walls of the groove; the leveling piece is connected to four corners of the cover plate, and the lower end of the leveling piece is detachably connected with the supporting component; the support component comprises a bidirectional screw and two support rods which are respectively in threaded connection with two ends of the bidirectional screw, and the two support rods are respectively abutted against the inner side walls of the two grooves; the supporting component also comprises a supporting plate connected to the end part of the supporting rod, and the supporting plate is abutted against the inner side wall of the groove. This application has and makes apron and the laminating of board groove inseparabler, improves the effect of the stability of apron use.

Description

Tunnel trench cover plate leveling structure

Technical Field

The application relates to the technical field of tunnel engineering facilities, in particular to a leveling structure of a tunnel trench cover plate.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The common road tunnel, railway tunnel etc. in general road tunnel and railway tunnel, both sides in the tunnel can set up the slot that is used for drainage or arranges the cable pipeline, and the upper shed department of slot is equipped with the board groove, need cover the apron and put into the board groove and prevent that people or thing from falling into in the slot.

In view of the above-mentioned related technologies, the inventor found that a general trench is formed by laying a concrete prefabricated member, and since sufficient accuracy is difficult to guarantee in the casting of a slab trench, the slab trench is often caused to be laid and covered with a cover plate, the cover plate is difficult to lay flat in the slab trench, the cover plate in the slab trench is not tightly attached to the slab trench, and positive and negative pressure is generated above the cover plate when a vehicle passes through the tunnel at high speed, which easily causes the problems of damage and noise caused by the vibration of the cover plate.

SUMMERY OF THE UTILITY MODEL

In order to make apron and board groove laminating inseparabler, improve the stability that the apron used, this application provides a tunnel groove apron leveling structure.

The application provides a tunnel trench apron leveling structure adopts following technical scheme:

a tunnel trench cover leveling structure comprising:

the cover plate is arranged in the plate groove at the opening of the groove;

the supporting component is fixedly supported between the two inner side walls of the groove;

leveling member connects in apron four corners department, and the connection supporting component can be dismantled to the lower extreme.

Through adopting above-mentioned technical scheme, supporting component can fix in the slot through self, and the apron is put into the board inslot, flattens apron four corners, connects supporting component with leveling piece, just can fix the apron in the board inslot, makes apron and board groove laminating inseparabler, has improved the stability of apron use simultaneously.

Optionally, the supporting component includes two-way screw rod and two bracing pieces that threaded connection is at two-way screw rod both ends respectively, and two bracing pieces butt two trench inner side walls respectively.

By adopting the technical scheme, when the supporting component is fixed, the supporting rod at one end props against the inner side wall of the groove, the supporting rod at the other end is held, and the bidirectional screw is rotated, so that the supporting component is parallel to the bottom surface of the groove and supported in the groove to fix the supporting component.

Optionally, the support assembly further comprises a support plate connected to an end of the support rod, the support plate abutting against an inner sidewall of the groove.

Through adopting above-mentioned technical scheme, the backup pad can increase the area of contact of supporting component and slot inside wall, directly pastes the backup pad on the slot inside wall, need not the adjustment position, rotates two-way screw rod and just can make the supporting component be on a parallel with the slot end fixed.

Optionally, one side of the support plate abutting against the inner side wall of the groove is provided with a non-slip protrusion.

Through adopting above-mentioned technical scheme, the frictional force between backup pad and the slot lateral wall can be increased to antiskid arch and slot lateral wall butt, makes the support assembly connect more firmly difficult pine and take off.

Optionally, the middle part of the bidirectional screw is coaxially provided with a rotating column with a polygonal prism.

Through adopting above-mentioned technical scheme, after manual twisting two-way screw rod of twisting to two backup pads all butt slot inner wall, it can facilitate the use tools such as spanner to twist to rotate the post, makes the supporting component installation convenient laborsaving more, also makes the supporting component installation firm more reliable.

Optionally, the leveling member includes a threaded portion for being screwed to the support rod and a screwed portion connected to a top of the threaded portion, and a lower end of the screwed portion abuts against the cover plate.

Through adopting above-mentioned technical scheme, the spin leveling spare can make the apron by the pushing down, and the apron four corners is all pushed down and is fixed in the board groove, makes apron and the laminating of board groove inseparabler, has improved the stability that the apron used simultaneously.

Optionally, the cover plate is provided with an accommodating groove, and the screwing part is arranged in the accommodating groove and is not higher than the top surface of the cover plate.

By adopting the technical scheme, the screwing part is not higher than the top surface of the cover plate, so that people can be prevented from being stumbled and passing by, and the screwing part can be prevented from hanging other objects.

Optionally, an elastic pad is arranged between the cover plate and the bottom of the plate groove.

Through adopting above-mentioned technical scheme, can extrude the cushion when the apron is pushed down, make the cushion and lap and the board groove between close, reduce the apron and rock.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the leveling piece is connected with the supporting component, so that the cover plate can be fixed in the plate groove, the cover plate is tightly attached to the plate groove, and the use stability of the cover plate is improved;

2. the anti-skidding bulges are abutted with the side walls of the grooves, so that the friction force between the supporting plate and the side walls of the grooves can be increased, and the supporting assembly is connected more firmly and is not easy to loosen;

3. after the bidirectional screw is manually screwed until the two supporting plates are abutted against the inner wall of the groove, the rotating column can be conveniently screwed by using tools such as a spanner, so that the supporting component is more convenient and labor-saving to mount and is more firm and reliable to mount;

4. the elastic pad is tightly attached to the cover plate and the plate groove, so that the cover plate is prevented from shaking.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of an embodiment of the present application;

in the figure, 1, a cover plate; 11. accommodating grooves; 2. a support assembly; 21. a bidirectional screw; 211. rotating the column; 22. a support bar; 23. a support plate; 231. anti-skid projections; 3. a leveling member; 31. a threaded portion; 32. a screwing part; 4. an elastic pad.

Detailed Description

The present application is described in further detail below with reference to fig. 1-2.

The trench in the tunnel is formed by splicing concrete prefabricated parts, the longitudinal sections of the concrete prefabricated parts are U-shaped, the trench is formed inside, and cables, pipelines, drainage facilities and the like can be arranged in the trench. The upper opening part of the concrete prefabricated part is provided with a step-shaped plate groove for placing the cover plate 1 and preventing people or objects from falling into the groove by mistake.

The application provides a tunnel trench cover plate leveling structure, refer to fig. 1 and 2, including apron 1, supporting component 2, leveling member 3 and cushion 4.

The cover plate 1 is a rectangular cover plate 1 and covers the plate groove, and the width of the cover plate 1 is equal to that of the plate groove. A plurality of waist-shaped holes are uniformly distributed in the cover plate 1 along the extending direction of the groove, the waist-shaped holes vertically penetrate through the cover plate 1, the long axis direction is vertical to the extending direction of the groove, and the side walls of two adjacent cover plates 1 are tightly attached together. The waist-shaped hole is used for draining water towards the interior of the groove in the tunnel or ventilating and radiating cables in the groove, and can also be used for lifting the cover plate 1 when facilities in the groove need to be overhauled.

An elastic pad 4 is arranged between the cover plate 1 and the bottom of the plate groove, the elastic pad 4 is rectangular, the cross section of the elastic pad is the same as that of the bottom of the plate groove, and the upper end of the cover plate 1 is flush with the upper end of the opening of the plate groove. The cushion 4 is the rubber pad in this application embodiment, and when apron 1 pressed on cushion 4, cushion 4 was compressed and laminating apron 1 and board groove tank bottom, made to be connected more closely between apron 1 and the board groove, apron 1 can more stably be covered at the board inslot.

The support assembly 2 includes a bidirectional screw 21, a support rod 22, and a support plate 23. The threads at the two ends of the bidirectional screw 21 are threads with different turning directions and the same thread pitch, and the two threads are the same in length. The middle part of the bidirectional screw 21 is coaxially and integrally formed with a polygonal rotating column 211, the rotating column 211 can facilitate an operator to use tools such as a wrench to screw, so that the supporting component 2 is more convenient and labor-saving to mount, and the rotating column 211 is a hexagonal prism in the embodiment of the application.

Two threaded ends of the bidirectional screw 21 are respectively in threaded connection with a support rod 22, and the support rod 22 is a square rod with a square longitudinal section and is coaxial with the bidirectional screw 21. The threaded holes of the support rod 22 and the bidirectional screw 21 in threaded connection are blind holes, and the total length of the support component 2 is smaller than the width of the groove after the bidirectional screw 21 is completely screwed into the threaded holes.

The supporting plate 23 is vertically and fixedly welded at one end of the supporting rod 22 far away from the bidirectional screw 21, the supporting plate 23 is a rectangular plate, and the center of the supporting plate 23 is connected with the supporting rod 22. When the supporting component 2 is installed, the supporting plate 23 is attached to the side wall of the groove, so that the two-way screw 21 is ensured to be vertical to the side wall of the groove, and the supporting and fixing effect is better. Be equipped with a plurality of non-slip raised 231 on the lateral wall that bracing piece 22 was kept away from to backup pad 23, non-slip raised 231 is used for the inside wall of butt slot, compares the inside wall of the direct butt slot in backup pad 23 plane, has increased the frictional force between backup pad 23 and the slot inside wall, makes supporting component 2 more stable when using, fixed more firm. In the embodiment of the present application, the anti-slip protrusions 231 are cone-shaped protrusions, and are uniformly disposed on the surface of the supporting plate 23, and the tips of the cone-shaped protrusions are opposite to the inner side wall of the groove.

The leveling member 3 comprises a thread portion 31 and a screwing portion 32, the thread portion 31 is provided with threads, the screwing portion 32 is integrally formed at the top end of the thread portion 31, the screwing portion 32 is in a circular cake shape coaxial with the thread portion 31, the bottom end of the screwing portion 32 is a convex spherical surface, and the top end of the screwing portion 32 is provided with a hexagonal groove which can facilitate screwing the leveling member 3 by using an inner hexagonal wrench. The support rod 22 is provided with a vertical threaded through hole, and the threaded portion 31 is in threaded connection with the support rod 22 through the threaded through hole.

The four corners department of apron 1 is equipped with holding

tank

11, and 11 tank bottoms of holding tank are equipped with the through-hole that runs through apron 1. The screw portion 31 of the leveling member 3 is inserted into the through hole, and the screw portion 32 is disposed in the receiving groove 11. The diameter of the through hole is larger than the diameter of the screw portion 31 and smaller than the diameter of the screw portion 32, and the receiving groove 11 is a circular groove having a diameter larger than the diameter of the screw portion 32. When the leveling member 3 cannot be completely vertically installed, the convex surface of the screwing part 32 can also abut against the edge of the upper opening of the through hole, so that the leveling member 3 is firmly installed. The top end of the screwing part 32 is not higher than the top surface of the cover plate 1, so that people can be prevented from stumbling and passing by, and the phenomenon that the screwing part 32 is hung on other objects can be reduced.

The implementation principle of the embodiment of the application is as follows: when the cover plate 1 is installed, firstly, cleaning up dust and sundries on the inner wall of the groove, placing the support component 2 into the groove to accurately find the installation position, enabling the support plate 23 at one end to be attached to the side wall of the groove, holding the support plate 23 at the other end by hand, rotating the bidirectional screw 21 until the two support plates 23 are both attached to the side wall of the groove, tightening the support component 2 by using a wrench through the screwing part 32, and meanwhile ensuring that a threaded hole in the support rod 22 is vertically upward; another set of support members 2 is also mounted in place in the same way; arranging elastic pads 4 on two sides in the plate groove, and covering the cover plate 1 at the upper ends of the elastic pads 4; put into all holding tanks 11 leveling piece 3, screw portion 31 screw in bracing piece 22, use the allen key to adjust four leveling piece 3, leveling apron 1 makes apron 1 closely laminate not have the limit of warping can.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tunnel trench apron leveling structure which characterized in that includes:

the cover plate (1) is arranged in the plate groove at the opening of the groove;

the supporting component (2) is supported and fixed between the two inner side walls of the groove;

leveling piece (3), connect in apron (1) four corners department, the connection supporting component (2) can be dismantled to the lower extreme.

2. The tunnel trench cover leveling structure according to claim 1, wherein the support assembly (2) comprises a bidirectional screw (21) and two support rods (22) respectively screwed at two ends of the bidirectional screw (21), the two support rods (22) respectively abutting against two trench inner side walls.

3. Tunnel trench cover leveling structure according to claim 2, wherein the support assembly (2) further comprises support plates (23) connected at the ends of the support bars (22), the support plates (23) abutting the inner side walls of the trench.

4. A tunnel trench cover leveling structure according to claim 3, characterized in that the side of the support plate (23) abutting the trench inner side wall is provided with a non-slip protrusion (231).

5. The tunnel trench cover plate leveling structure according to claim 2, wherein a polygonal prism rotating column (211) is coaxially arranged in the middle of the bidirectional screw (21).

6. Tunnel trench cover plate levelling structure according to claim 2, characterized in that the levelling member (3) comprises a threaded portion (31) to which the support rod (22) is screwed and a screwed portion (32) connected on top of the threaded portion (31), the screwed portion (32) abutting the cover plate (1) at its lower end.

7. The tunnel trench cover plate leveling structure according to claim 6, wherein the cover plate (1) is provided with a receiving groove (11), and the screw part (32) is provided in the receiving groove (11) and not higher than the top surface of the cover plate (1).

8. Tunnel trench cover plate levelling structure according to claim 1, characterized in that between the cover plate (1) and the plate trench bottom is provided a resilient pad (4).