CN220228056U - Push pipe for non-excavation construction - Google Patents

Abstract

The utility model relates to the technical field of pipeline construction, in particular to a jacking pipe for non-excavation construction, which comprises a pipe body, wherein a narrow head pipe is arranged at one end of the pipe body, a clamping ring groove is arranged at the other end of the pipe body, a socket is connected to the inner wall of the pipe body, which is positioned at the side of the clamping ring groove, a cannula is connected to the inner wall of the pipe body, which is positioned at the side of the narrow head pipe, the cannula is inserted into the socket, through grooves are formed in the socket and the clamping ring groove, and a locking mechanism is connected to the through grooves. The narrow head pipe and the clamping ring groove are inserted, the insertion pipe is inserted into the socket, the locking mechanism is abutted when the narrow head pipe moves to the depth of the clamping ring groove, the locking mechanism locks the narrow head pipe and the clamping pipe simultaneously, the tightness and stability of connection of two pipe bodies are guaranteed, the outer wall of the joint of the pipe bodies is smooth and convenient to construct after the pipe bodies are connected and fixed through the connection mode, and the joint toughness is high and difficult to break by connecting the narrow head pipe and the clamping ring groove in the clamping mode.

Description

Push pipe for non-excavation construction

Technical Field

The utility model relates to the technical field of pipeline construction, in particular to a jacking pipe for non-excavation construction.

Background

The non-excavation means that under the condition of excavating the tiny part of the earth surface by utilizing various rock-soil excavating equipment and technical means through guiding, directional drilling and other modes (generally referring to small-area excavation of an inlet and an outlet), the novel construction technology for laying, replacing and repairing various underground pipelines can not obstruct traffic, damage green lands and vegetation, and influence normal life and working order of shops, hospitals, schools and residents, and solves the problems that the traditional excavation construction interferes with the life of residents, damages and bad influences on traffic, environment and surrounding building foundations, thus having higher social and economic effects, and the pipe jacking technology is a non-excavation tunneling pipeline laying construction technology for municipal construction;

during construction, a plurality of jacking pipes are required to be connected and used, but the existing jacking pipe connection is mostly welded or bolted, the toughness of the joint of the two jacking pipes is reduced by adopting a welding mode, and the joint of the jacking pipes is abrupt by adopting bolted connection, so that the construction is inconvenient.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a push pipe for non-excavation construction, includes the pipe body, pipe body one end is equipped with narrow head pipe, and the other end is equipped with the joint annular, narrow head pipe with joint annular size is the same, the pipe body is located the inner wall connection of joint annular side has the socket, the pipe body is located the inner wall connection of narrow head pipe side has the intubate, the intubate peg graft in the socket, the socket with the joint annular is equipped with logical groove, logical inslot interconnect has locking mechanical system.

Further, the narrow head pipe is smaller than the pipe body in size, and the narrow head pipe and the pipe body are integrally formed.

Furthermore, the number of the sockets is four, and the four sockets are uniformly distributed on the inner side of the pipe body.

Furthermore, the inner wall of the narrow head pipe and the opposite sides of the insertion pipe are respectively provided with a locking groove, and the locking grooves are opposite to the through grooves.

Furthermore, the locking mechanism comprises a connecting rod which is arranged in the through groove in a sliding manner, two ends of the connecting rod are respectively connected with a first locking block and a second locking block, the first locking block and the second locking block are respectively matched with the locking groove to lock the narrow-head pipe and the insertion pipe, a spring is sleeved on the outer wall of one side of the connecting rod, and the first locking block is provided with a chamfer.

Compared with the prior art, the utility model has the following beneficial effects: the narrow head pipe and the clamping ring groove are inserted, the insertion pipe is inserted into the socket, the locking mechanism is abutted when the narrow head pipe moves to the depth of the clamping ring groove, the locking mechanism locks the narrow head pipe and the clamping pipe simultaneously, the tightness and stability of connection of two pipe bodies are guaranteed, the outer wall of the joint of the pipe bodies is smooth and convenient to construct after the pipe bodies are connected and fixed through the connection mode, and the joint toughness is high and difficult to break by connecting the narrow head pipe and the clamping ring groove in the clamping mode.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a first outline view of the present utility model;

FIG. 2 is a second external view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a diagram of the structure at A in FIG. 3;

reference numerals:

the pipe comprises a pipe body 1, a narrow head pipe 2, a clamping ring groove 3, a socket 4, a cannula 5, a through groove 6, a locking mechanism 7, a connecting rod 701, a first locking block 702, a second locking block 703, a spring 704, a chamfer 705 and a locking groove 8.

Detailed Description

The present utility model is further described below with reference to specific embodiments and drawings, and in the description, terms used to indicate an orientation or a positional relationship are based on the orientation or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operate in a specific orientation. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The meaning of "multiple" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the push pipe for trenchless construction provided in this embodiment includes a pipe body 1, one end of the pipe body 1 is provided with a narrow head pipe 2, the other end is provided with a clamping ring groove 3, the narrow head pipe 2 and the clamping ring groove 3 have the same size, the inner wall of the pipe body 1 located at the side of the clamping ring groove 3 is connected with a socket 4, the inner wall of the pipe body 1 located at the side of the narrow head pipe 2 is connected with an insertion pipe 5, the insertion pipe 5 is inserted into the socket 4, the socket 4 and the clamping ring groove 3 are provided with a through groove 6, and a locking mechanism 7 is connected in the through groove 6.

In this embodiment, narrow head pipe 2 and joint annular 3 peg graft, and intubate 5 peg graft in socket 4 simultaneously, thereby butt locking mechanical system 7 when narrow head pipe 2 moves to joint annular 3 depths makes locking mechanical system 7 lock narrow head pipe 2 and joint pipe simultaneously, guarantees compactness and the stability that two pipe bodies 1 are connected.

In another embodiment of the present utility model, the size of the narrow head pipe 2 is smaller than the size of the pipe body 1, and the narrow head pipe 2 and the pipe body 1 are integrally formed.

In this embodiment, through narrow head pipe 2 grafting locking, narrow head pipe 2 and the setting of pipe body 1 integrated into one piece can ensure its structural stability.

In another embodiment of the present utility model, four sockets 4 are provided for the jacking pipe for trenchless construction, and the four sockets 4 are uniformly distributed inside the pipe body 1.

In this embodiment, a plurality of sockets 4 are provided, each socket 4 is correspondingly inserted with a cannula 5, and each socket 4 is provided with a locking mechanism 7, so that the periphery of the narrow head pipe 2 is locked, and the stability of the two pipe bodies 1 after connection is improved.

In another embodiment of the utility model, a push pipe for trenchless construction is provided, wherein locking grooves 8 are arranged on opposite sides of the inner wall of the narrow head pipe 2 and the insertion pipe 5, and the locking grooves 8 are opposite to the through grooves 6.

In this embodiment, the narrow head tube 2 and each cannula 5 are provided with opposing locking grooves 8, each locking mechanism 7 being co-operatively locked with two opposing locking grooves 8.

In another embodiment of the present utility model, the locking mechanism 7 includes a connecting rod 701 slidably disposed in the through groove 6, two ends of the connecting rod 701 are respectively connected to a first locking block 702 and a second locking block 703, the first locking block 702 and the second locking block 703 are respectively matched with the locking groove 8 to lock the narrow head pipe 2 and the insertion pipe 5, a spring 704 is sleeved on an outer wall of the connecting rod 701 located at the side of the first locking block 702, and the first locking block 702 is provided with a chamfer 705.

In this embodiment, the connecting rod 701 is slidably connected in the through groove 6, when the narrow head pipe 2 is pushed to the depth of the clamping ring groove 3, the head end of the narrow head pipe 2 abuts against the chamfer 705 of the locking block one 702, so that the locking block one 702 compresses the spring 704 to shrink inwards towards the through groove 6, and the locking block two 703 is pushed to the center side of the pipe body 1 by the connecting rod 701 until the locking block two 703 is inserted into the locking groove 8 arranged on the insertion pipe 5, and the narrow head pipe 2 is continuously pushed until the locking block one 702 is opposite to the locking groove 8 arranged on the narrow head pipe 2, and the locking block one 702 is pushed into the locking groove 8 arranged on the narrow head pipe 2 under the elastic force of the spring 704 and is clamped to fix the narrow head pipe 2, at this time, the end walls of the two pipe bodies 1 are in abutting connection.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims (5)

1. The utility model provides a push pipe for non-excavation construction, includes pipe body (1), its characterized in that: the pipe body (1) one end is equipped with narrow head pipe (2), and the other end is equipped with joint annular (3), narrow head pipe (2) with joint annular (3) size is the same, pipe body (1) are located the inner wall of joint annular (3) side is connected with socket (4), pipe body (1) are located the inner wall of narrow head pipe (2) side is connected with intubate (5), intubate (5) peg graft in socket (4), socket (4) with joint annular (3) are equipped with logical groove (6), logical inslot (6) interconnect has locking mechanical system (7).

2. A jacking pipe for trenchless construction as claimed in claim 1, wherein: the size of the narrow head pipe (2) is smaller than that of the pipe body (1), and the narrow head pipe (2) and the pipe body (1) are integrally formed.

3. A jacking pipe for trenchless construction as claimed in claim 1, wherein: the sockets (4) are arranged in four, and the four sockets (4) are uniformly distributed on the inner side of the pipe body (1).

4. A jacking pipe for trenchless construction as claimed in claim 1, wherein: the inner wall of the narrow head pipe (2) and the opposite sides of the insertion pipe (5) are respectively provided with a locking groove (8), and the locking grooves (8) are opposite to the through grooves (6).

5. A jacking pipe for trenchless construction as claimed in claim 4, wherein: the locking mechanism (7) comprises a connecting rod (701) which is arranged in the through groove (6) in a sliding mode, two ends of the connecting rod (701) are respectively connected with a first locking block (702) and a second locking block (703), the first locking block (702) and the second locking block (703) are respectively matched with the locking groove (8) to lock the narrow head pipe (2) and the insertion pipe (5), the outer wall of the connecting rod (701) positioned on the side of the first locking block (702) is sleeved with a spring (704), and the first locking block (702) is provided with a chamfer (705).