CN204941563U - A kind of shield machine Fang Han - Google Patents

Abstract

The utility model provides a square culvert for a shield machine, which comprises: a body, the body is closed, the body includes opposite side walls on both sides, and an arc-shaped top plate detachably connected to the top of the side walls on both sides And the bottom connection plate detachably connected to the bottom of the side walls on both sides, the bottom connection plate is provided with a drainage groove; at least one end surface of the body is provided with a circle of water stop groove, and a water stop layer is arranged in the water stop groove; The end surface of one end of the body is set as a socket, and the end surface of the other end is set as a socket used in conjunction with the socket; a groove is provided on the socket, and an anti-seepage layer is provided in the groove. The main body of square culverts for shield machines has good waterproof and anti-seepage performance, high seismic performance, good connection performance between square culverts, convenient construction and short construction period, which is convenient for rationally centralized prevention of common pipelines such as urban power, telecommunications, heat, and natural gas. into the gallery.

Description

A square culvert for a shield machine

technical field

The utility model relates to a building component, in particular to a square culvert which is used in conjunction with a shield machine to facilitate the laying of underground pipelines.

Background technique

In recent years, with the improvement of urbanization, concrete square culverts are widely used in urban underground construction. They are hoisted and connected at the construction site to form a pipe gallery, and enter the pipe gallery for work. Waiting for the pipeline to be stored in it, so as to avoid repeated damage to the road surface during pipeline maintenance.

With the promotion of the scope of application of square culverts, the requirements for square culverts are also more stringent. For example, when they are used as urban sewage pipes, the anti-seepage and anti-leakage performance of square culverts is required to be more guaranteed; due to the increased requirements for the utilization of underground space, then Square culverts are required to provide more space, and square culverts that take up too much space are inconvenient to transport; improper connection between square culverts has poor seismic performance, which may cause large joint openings or differences in height and surface, resulting in damage to pipelines. The above-mentioned shortcoming will hinder the popularization and use of square culvert.

Utility model content

The purpose of the utility model is to provide a square culvert for a shield machine. The main body of the square culvert has good waterproof and anti-seepage performance, high shock resistance performance, detachable connection for easy transportation, good connection performance between square culverts, and convenient construction. Short, it is convenient to rationally place common pipelines such as urban electricity, telecommunications, heat, and natural gas in the pipe gallery.

In order to achieve the above purpose, the utility model provides a square culvert for a shield machine, which includes: a body, the body is closed, the body includes opposite side walls on both sides, and is detachably connected to the top of the side walls on both sides The arc-shaped top plate and the bottom connecting plate detachably connect the bottom of the side walls on both sides, and the bottom connecting plate is provided with a drainage groove; at least one end surface of the body is provided with a circle of water stop groove, and the water stop groove is provided with Water-stop layer; the end surface of one end of the body is set as a socket, and the end surface of the other end is set as a socket used in conjunction with the socket; a groove is provided on the socket, and an anti-seepage layer is provided in the groove .

Preferably, a slope plate is provided between the bottom plate connecting plate and each side wall, and tension holes are provided in the slope plate.

Preferably, the bottom connecting plate is U-shaped, and the bottom connecting plate includes a bottom plate and two opposite side plates respectively fixed to two ends of the bottom plate.

Preferably, a slope plate is provided between the bottom plate and each side plate, and tension holes are arranged in the slope plate.

Preferably, the drainage groove is located in the middle of the bottom connecting plate, and guide rails are arranged in the drainage groove.

Preferably, the water-stop layer is a water-swellable water-stop strip.

Preferably, the groove on the socket is a dovetail groove.

Preferably, the two side walls of the body are provided with pre-embedded bolts for installing the cable bracket.

Preferably, the adjacent bodies are connected softly.

In addition, preferably, a plurality of grouting holes are arranged on the body.

It can be seen from the above description and practice that compared with the prior art, the shield machine square culvert provided by the utility model has the beneficial effect that: there are two waterproof layers on the square culvert body, a rigid waterproof layer and a flexible waterproof layer, which can improve Waterproof and anti-seepage performance of the main body; the square culvert bodies are flexibly connected to improve the seismic performance, and the connection performance between the square culverts is good; the parts of the square culvert bodies are detachable connections, which take up less space during transportation; easy to install and disassemble The construction of the square culvert is convenient, the adjacent bodies are connected by steel strands, and prestress is applied during the connection, the connection performance is good, the construction period is short, and it is convenient to place general pipelines such as urban power, telecommunications, heat, and natural gas in a reasonable centralized manner. corridor.

Description of drawings

Through the following description of the embodiments in conjunction with the accompanying drawings, the above-mentioned features and technical advantages of the present utility model will become clearer and easier to understand. In the attached picture,

Fig. 1 is a schematic diagram of a square culvert for a shield machine according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of socket and socket connection of the square culvert for the shield machine shown in Fig. 1 .

Reference signs:

100: body;

11: side wall; 12: curved top plate; 13: bottom connecting plate; 14: slope plate; 15: tension hole;

16: grouting hole; 21: drainage groove; 22: water stop groove; 23: water stop layer; 24: groove;

31: socket; 32: socket.

detailed description

In order to make the above purpose, features and advantages of the utility model more obvious and understandable, the technical solutions in the embodiments of the utility model are clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only It is a part of embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Fig. 1 is a schematic diagram of a square culvert for a shield machine according to an embodiment of the present invention. As shown in FIG. 1 , the body 100 is in a closed shape, and the body 100 includes two side walls 11 that are detachably connected, an arc-shaped top plate 12 and a bottom connecting plate 13 . Two sidewalls 11 of the same shape are set up opposite each other. Above the sidewalls 11 is an arc-shaped top plate 12 detachably connected to the tops of the sidewalls 11 on both sides. Bottom connecting plate 13. During transportation, the side wall 11, the arc-shaped top plate 12 and the bottom connecting plate 13 can be placed separately, which saves space and is convenient for management.

Bottom connecting plate 13 is provided with drain groove 21, and drain groove 21 can be arranged on the middle part of bottom connecting plate 13, and the upper surface of bottom connecting plate 13 can be provided with the slope that gradually lowers to the middle, is convenient to drain groove 21 and collects and discharges sewage.

Preferably, the drainage groove 21 is located in the middle of the bottom connecting plate 13, and a guide rail track is provided in the drainage groove 21. During construction, the guide rail track is installed to facilitate transportation. After the construction is completed, the guide rail track can be removed and used as a drainage groove.

In this embodiment, the specific dimensions of the body are as follows: the thickness of the arc-shaped top plate 12 is 245 mm, the arc-shaped top plate 12 is an inverted U shape, the thickness of the side walls 11 on both sides is 245 mm, the thickness of the bottom connecting plate 13 is 395 mm, and the thickness of the bottom connecting plate 13 is 395 mm. The connecting plate 13 is U-shaped, the height from the bottom connecting plate 13 to the arc top of the arc-shaped top plate 12 is 2350 mm, and the width between the side walls 11 on both sides is 2200 mm.

Preferably, the bottom connecting plate 13 is flat, and a slope plate 14 is provided between the bottom connecting plate 13 and each side wall 12. The slope plate 14 acts as a reinforcing rib to enhance the strength of the body; the slope plate 14 is provided with Tension hole 15.

Preferably, the bottom connecting plate 13 is U-shaped, and the bottom connecting plate 13 includes a bottom plate and two opposite side plates respectively fixed to two ends of the bottom plate. A slope plate 14 is provided between the bottom plate and each side plate to enhance the strength of the body; tension holes 15 are provided in the slope plate 14 .

Preferably, the two side walls 11 of the body are provided with pre-embedded bolts for installing the cable bracket. The pre-embedded bolts are processed together with the square culvert. During the production process, the controllability is high, the quality is stable, and the error is small. After the bracket is installed, it is neat and beautiful.

Fig. 2 is a schematic diagram of socket and socket connections of the square culvert for the shield machine shown in Fig. 1 . As shown in FIG. 2 , the two ends of the body 100 are respectively provided with sockets 31 and sockets 32 for use in conjunction with each other. When two adjacent square culvert bodies are connected, the socket 31 and the socket 32 are matched and connected as a whole.

In order to prevent water accumulation inside the square culvert, two or more anti-seepage layers are arranged on one or both sides of the main body 100, one of which is a flexible waterproof layer and the other is a rigid waterproof layer.

On the end face of the main body 100, there is a circle of water stop groove 22, which can be set on one end face of the body 100, and can also be set on both end faces of the body 100; the water stop groove 22 is closed, and the specific shape is not limited, so as to achieve all-round anti-seepage The purpose of water can be. A water-stop layer 23 is provided in the water-stop groove 22 to prevent further penetration of moisture in time. Preferably, the water-stop layer 23 is a water-swellable water-stop strip. The water-expandable water-stop strip is pasted in the water-stop groove 22 on the end face with special glue. This kind of water-expandable water-stop strip will expand and deform by 2-3 times after encountering water, and fill all the irregular surfaces of the joints , Holes and gaps, while generating a huge contact pressure to completely prevent leakage.

A groove 24 is arranged on the socket of the end face, and an anti-seepage layer is arranged in the groove 24 . Preferably, the groove 24 on the socket 31 is a dovetail groove, and superabsorbent resin is introduced into the dovetail groove, such as water-tight, to form a rigid waterproof and improve the sealing performance.

Preferably, there is a soft connection between adjacent bodies 100 . The flexible connection can effectively decompose freezing and thawing, reduce damage when affected by earthquakes, prevent large joint openings and differences in height and plane from causing cable damage, and ensure that the function of the square culvert and the operation of cables in the channel are minimally affected.

Adjacent bodies 100 are connected by steel strands, and prestress is applied during the connection. The tension hole is used for locking the steel strand after tensioning. The main bodies 100 can also be connected by means of bolt connection, steel rod connection, etc., which are not limited here.

Each body 100 is provided with a plurality of grouting holes 16, and a plurality of grouting holes 16 are arranged on the arc-shaped top plate 12, the bottom connecting plate 13 and the side wall 11, and the grouting holes 16 are pre-buried in the body in advance. During the construction of the mechanism, there is a certain amount of over-excavation, and the grouting fluid is pressed from the inside of the body through the grouting hole 16 to fill and compact the soil gap outside the body to prevent ground subsidence.

It can be seen from the above description and practice that compared with the prior art, the shield machine square culvert provided by the utility model has the beneficial effect that: there are two waterproof layers on the square culvert body, a rigid waterproof layer and a flexible waterproof layer, which can improve Waterproof and anti-seepage performance of the main body; the square culvert bodies are flexibly connected to improve the seismic performance, and the connection performance between the square culverts is good; the parts of the square culvert bodies are detachable connections, which take up less space during transportation; easy to install and disassemble The construction of the square culvert is convenient, the adjacent bodies are connected by steel strands, and prestress is applied during the connection, the connection performance is good, the construction period is short, and it is convenient to place general pipelines such as urban power, telecommunications, heat, and natural gas in a reasonable centralized manner. corridor.

The above are only preferred specific implementation modes of the present application, but the scope of protection of the present application is not limited thereto. Anyone familiar with the technology within the scope of the technology disclosed in this application can easily conceive of changes or substitutions. Should be covered within the protection scope of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (10)

1. A square culvert for a shield machine, comprising: The body, the body is in a closed shape, and the body includes opposite side walls on both sides, an arc-shaped top plate detachably connecting the tops of the two side walls, and a bottom connecting plate detachably connecting the bottoms of the two side walls. There is a drainage groove on the bottom connecting plate; At least one end surface of the body is provided with a circle of water-stop groove, and a water-stop layer is arranged in the water-stop groove; The end surface of one end of the body is set as a socket, and the end surface of the other end is set as a socket used in conjunction with the socket; A groove is arranged on the socket, and an anti-seepage layer is arranged in the groove. 2 . The square culvert for shield machine according to claim 1 , wherein a slope plate is provided between the connecting plate of the bottom plate and each side plate, and tension holes are arranged in the slope plate. 3 . 3. The square culvert for shield machine according to claim 1, characterized in that, the bottom connecting plate is U-shaped, and the bottom connecting plate comprises a bottom plate and two opposite sides fixed to the two ends of the bottom plate respectively. side panels. 4 . The square culvert for shield machine according to claim 3 , wherein a slope plate is provided between the bottom plate and each side wall, and tension holes are arranged in the slope plate. 5 . The square culvert for shield machine according to claim 1 , wherein the drainage groove is located in the middle of the bottom connecting plate, and guide rails are arranged in the drainage groove. 6 . 6. The square culvert for shield machine according to claim 1, characterized in that, the water-stop layer is a water-swellable water-stop strip. 7. The square culvert for shield machine according to claim 1, characterized in that, the groove on the socket is a dovetail groove. 8. The square culvert for shield machine according to claim 1, characterized in that, the two side walls of the body are provided with pre-embedded bolts for installing cable supports. 9. The square culvert for shield machine according to claim 1, characterized in that, the adjacent bodies are connected softly. 10. The square culvert for shield machine according to claim 1, characterized in that a plurality of grouting holes are arranged on the body.