CN217028899U

CN217028899U - Assembling structure of prefabricated pipe jacking pipe joint

Info

Publication number: CN217028899U
Application number: CN202220444438.9U
Authority: CN
Inventors: 廖嘉杰; 马保松; 黄胜
Original assignee: Sun Yat Sen University
Current assignee: Sun Yat Sen University
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-22
Anticipated expiration: 2032-03-01

Abstract

The utility model relates to the technical field of pipe jacking engineering, and discloses an assembling structure of a prefabricated pipe jacking pipe joint, wherein a first notch and a second notch are respectively arranged on two opposite sides of the bottom end of an upper half pipe joint, a third notch and a fourth notch are respectively arranged on two opposite sides of the top end of a lower half pipe joint, when the upper half pipe joint and the lower half pipe joint are assembled into the pipe joint, the first notch and the third notch form a first groove, the second notch and the fourth notch form a second groove, a first anchor plate and a second anchor plate are respectively placed in the first groove and the second groove, the top parts of the first anchor plate and the upper half pipe joint are connected by a first connecting rib, the bottom parts of the first anchor plate and the second anchor plate and the lower half pipe joint are connected by a second connecting rib, the connecting rib directly passes through each hole, and the first connecting rib and the second connecting rib adopt a steel strand wire to form an anchor type joint with an anchor clamping piece, an anchor head and the first anchor plate and the second anchor plate, the installation is convenient, simple and convenient, high-efficient and connect firmly.

Description

Assembling structure of prefabricated pipe jacking pipe joint

Technical Field

The utility model relates to the technical field of pipe jacking engineering, in particular to an assembling structure of prefabricated pipe jacking pipe joints.

Background

The pipe jacking technology is widely applied to municipal construction in China, and trenchless laying of various pipelines such as urban underground water supply and drainage pipelines, natural gas and petroleum pipelines, communication cables and the like is mostly carried out by utilizing the pipe jacking technology. However, the self weight and the volume of the large-diameter assembled reinforced concrete prefabricated pipe joint are large, and the assembly of the pipe joint is time-consuming, labor-consuming and poor in sealing effect, and the safety of a constructor is difficult to guarantee. At present, an economic, efficient and widely applicable pipe joint assembling method does not exist in China. With the acceleration of the large and medium-sized urbanization construction process in China, the utilization rate of urban underground space is increased year by year, large-sized pipe jacking projects are more and more, and the existing pipe joint assembling method cannot well meet the requirements of pipe jacking construction and use of pipe jacking with different wall thicknesses and different section forms.

The prior art discloses an upper and lower split assembled rectangular pipe-jacking pipe joint and a connecting structure thereof, wherein the pipe joint comprises an upper half pipe joint and a lower half pipe joint; bent bolt pore passages are correspondingly arranged on the inner wall of the upper half pipe joint and the inner wall of the lower half pipe joint, and the upper half pipe joint is connected with the bent bolt pore passages on the lower half pipe joint through bent bolts; the lower end surface of the upper half pipe joint is provided with an outward convex ridge, the upper end surface of the lower half pipe joint is provided with a socket groove, and the outward convex ridge is matched with the socket groove; a water-swelling water stop strip and two-component polysulfide sealant are arranged at the abutted seam of the upper half pipe joint and the lower half pipe joint; the inner wall corners of the upper half pipe joint and the lower half pipe joint are provided with beam plates with holes, and the beam plates of the adjacent pipe joints in the longitudinal direction are connected with longitudinal connecting nuts through longitudinal connecting bolts. This patent is through half pipe coupling and half pipe coupling first of crooked bolted connection, because the bending property of crooked bolt, crooked bolt is difficult to when the installation through crooked bolt pore, leads to the installation difficulty, inconvenient constructor operation, and is inefficient, has increased construction cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple, convenient, efficient and stable assembling structure of a prefabricated pipe jacking pipe joint.

In order to achieve the above purpose, the present invention provides an assembling structure of a prefabricated pipe jacking joint, including an upper half pipe joint, a lower half pipe joint, a first anchor plate, a second anchor plate, a first connecting rib and a second connecting rib, wherein both sides of the bottom end of the upper half pipe joint are respectively provided with a first notch and a second notch, both sides of the top end of the lower half pipe joint are respectively provided with a third notch and a fourth notch, so that when the upper half pipe joint and the lower half pipe joint are assembled to form a pipe joint, the first notch and the third notch form a first groove, the second notch and the fourth notch form a second groove, the first groove and the second groove are located on opposite sides of the pipe joint, the first anchor plate is located in the first groove, and the second anchor plate is located in the second groove; a first connecting hole is formed in the groove wall between the first notch and the second notch, a second connecting hole is formed in the groove wall between the third notch and the fourth notch, a third connecting hole and a fourth connecting hole are formed in the top and the bottom of the first anchor plate respectively, and a fifth connecting hole and a sixth connecting hole are formed in the top and the bottom of the second anchor plate respectively; the first connecting rib sequentially penetrates through the fifth connecting hole, the first connecting hole and the third connecting hole to connect the second anchor plate, the upper half pipe joint and the first anchor plate; and the second connecting rib sequentially penetrates through the sixth connecting hole, the second connecting hole and the fourth connecting hole to connect the second anchor plate, the lower half pipe joint and the first anchor plate.

Preferably, the first connecting rib and the second connecting rib are both steel strands.

As a preferred scheme, the assembling structure of the prefabricated pipe jacking joint further comprises an anchor clamping piece and an anchor head, the aperture of the fifth connecting hole is gradually reduced from one side far away from the first anchor plate to one side close to the first anchor plate, one end of the first connecting rib is connected with the anchor clamping piece, the anchor clamping piece is positioned in the fifth connecting hole, and the other end of the first connecting rib is provided with the anchor head; the hole diameter of the sixth connecting hole is gradually reduced from one side far away from the first anchor plate to one side close to the first anchor plate, one end of the second connecting rib is connected with the anchor clamping piece, the anchor clamping piece is located in the sixth connecting hole, and the other end of the second connecting rib is provided with the anchor head.

Preferably, a water stop gasket is arranged between the upper half pipe joint and the lower half pipe joint.

Preferably, the top end of the lower half pipe joint is provided with a plurality of protruding parts, the bottom end of the upper half pipe joint is provided with a recessed part matched with the protruding parts, and the water stop gasket is paved on the surfaces of the protruding parts.

Preferably, the protrusion has a trapezoidal structure.

As a preferred scheme, a first caulking notch is formed in one side, adjacent to the side face where the first notch is formed, of the upper half pipe joint, a second caulking notch is formed in one side, adjacent to the third notch, of the lower half pipe joint, so that when the upper half pipe joint and the lower half pipe joint are assembled into a pipe section, the first caulking notch and the second caulking notch form a caulking groove, and sealing paste is filled in the caulking groove.

Preferably, the sealant is a two-component polysulfide sealant.

Preferably, the side surface and the top surface of the upper half pipe joint are provided with upper half socket parts which are integrally connected, the width of the upper half socket part is smaller than that of the upper half pipe joint, the side surface and the bottom surface of the lower half pipe joint are provided with lower half socket parts which are integrally connected, the width of the lower half socket part is smaller than that of the lower half pipe joint, and when the upper half pipe joint and the lower half pipe joint are assembled into a pipe joint, the upper half socket part and the lower half socket part form an annular structure.

As a preferred scheme, the upper half pipe joint and the lower half pipe joint are both provided with hoisting holes.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the first notch and the second notch are respectively arranged on two opposite sides of the bottom end of the upper half pipe joint, the third notch and the fourth notch are respectively arranged on two opposite sides of the top end of the lower half pipe joint, when the upper half pipe joint and the lower half pipe joint are assembled into the pipe joint, the first notch and the third notch form the first groove, the second notch and the fourth notch form the second groove, the first groove and the second groove are positioned on two opposite sides of the pipe joint, the first anchor plate and the second anchor plate are respectively placed in the first groove and the second groove, the top of the first anchor plate and the top of the second anchor plate and the upper half pipe joint are connected by the first connecting rib, the bottom of the first anchor plate and the second anchor plate and the lower half pipe joint are connected by the second connecting rib, the connecting rib passes through each hole directly, so that the installation is convenient, the operation is simple, the efficiency is high, and the connection is stable.

Drawings

Fig. 1 is a first view structure schematic diagram of an assembling structure of a prefabricated pipe jacking section according to an embodiment of the utility model.

Fig. 2 is a second view structure schematic diagram of the assembling structure of the prefabricated pipe jacking pipe joint according to the embodiment of the utility model.

Fig. 3 is a third view structure schematic diagram of the assembling structure of the prefabricated pipe jacking pipe joint according to the embodiment of the utility model.

FIG. 4 is a schematic structural view of a prefabricated push pipe joint according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an upper pipe section according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a lower pipe half according to an embodiment of the present invention.

Fig. 7 is a schematic view of the connection of the first anchor plate, the second anchor plate, the first connecting rib and the second connecting rib according to the embodiment of the present invention.

In the figure, 1-the upper half pipe section; 101-a first notch; 102-a second gap; 103-a first connection hole; 104-a recess; 105-a first caulking gap; 2-lower half pipe joint; 201-third gap; 202-fourth gap; 203-second connecting hole; 204-a boss; 205-a second caulking gap; 3-a first anchor plate; 301-a third connection hole; 302-fourth connection hole; 4-a second anchor plate; 401-fifth connection hole; 402-a sixth connection hole; 5-first connecting ribs; 6-second connecting ribs; 7-a first groove; 8-a second groove; 9-anchor clip; 10-an anchor head; 11-water stop gasket; 12-caulking grooves; 13-upper half socket part; 14-lower half socket part; 15-lifting holes.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, the meaning of "a number" is one or more unless otherwise specified.

Example one

As shown in fig. 1 to 7, the splicing structure of the precast push pipe joint according to the preferred embodiment of the present invention includes an upper half pipe joint 1, a lower half pipe joint 2, a first anchor plate 3, a second anchor plate 4, a first connecting rib 5 and a second connecting rib 6, wherein two sides of the bottom end of the upper half pipe joint 1 are respectively provided with a first notch 101 and a second notch 102, two sides of the top end of the lower half pipe joint 2 are respectively provided with a third notch 201 and a fourth notch 202, so that when the upper half pipe joint 1 and the lower half pipe joint 2 are spliced to form a pipe joint, the first notch 101 and the third notch 201 form a first groove 7, the second notch 102 and the fourth notch 202 form a second groove 8, the first groove 7 and the second groove 8 are located at two opposite sides of the pipe joint, the first anchor plate 3 is located in the first groove 7, and the second anchor plate 4 is located in the second groove 8; a first connecting hole 103 is formed in the groove wall between the first notch 101 and the second notch 102, a second connecting hole 203 is formed in the groove wall between the third notch 201 and the fourth notch 202, a third connecting hole 301 and a fourth connecting hole 302 are formed in the top and the bottom of the first anchor plate 3 respectively, and a fifth connecting hole 401 and a sixth connecting hole 402 are formed in the top and the bottom of the second anchor plate 4 respectively; the first connecting rib 5 sequentially passes through the fifth connecting hole 401, the first connecting hole 103 and the third connecting hole 301 to connect the second anchor plate 4, the upper half pipe joint 1 and the first anchor plate 3; the second connecting rib 6 passes through the sixth connecting hole 402, the second connecting hole 203 and the fourth connecting hole 302 in sequence to connect the second anchor plate 4, the lower half pipe joint 2 and the first anchor plate 3. In this embodiment, the first notch 101 and the second notch 102 are respectively arranged on two opposite sides of the bottom end of the upper half pipe joint 1, the third notch 201 and the fourth notch 202 are respectively arranged on two opposite sides of the top end of the lower half pipe joint 2, when the upper half pipe joint 1 and the lower half pipe joint 2 are assembled into a pipe joint, the first notch 101 and the third notch 102 form the first groove 7, the second notch 102 and the fourth notch 202 form the second groove 8, the first groove 7 and the second groove 8 are arranged on two opposite sides of the pipe joint, the first anchor plate 3 and the second anchor plate 4 are respectively arranged in the first groove 7 and the second groove 8, the top of the first anchor plate 3 and the second anchor plate 4 and the upper half pipe joint 1 are connected by the first connecting rib 5, the bottom of the first anchor plate 3 and the second anchor plate 4 and the lower half pipe joint 2 are connected by the second connecting rib 6, and the connecting ribs pass through the holes straightly, thereby facilitating installation and being simple and convenient to install, High efficiency and stable connection.

Further, the first connecting rib 5 and the second connecting rib 6 of the present embodiment are both steel strands. The steel strand is a steel product formed by stranding a plurality of steel wires and has high strength. And stretch-draw can be carried out through prestressing force when first splice bar 5 and second splice bar 6 are installed, make first anchor slab 3, second anchor slab 4, first splice bar 5 and second splice bar 6 form and draw the anchor formula to connect, connect extremely firmly, make the coupling firm inseparable.

Specifically, the assembling structure of the prefabricated jacking pipe joint of the embodiment further comprises an anchor clamping piece 9 and an anchor head 10, the aperture of the fifth connecting hole 401 is gradually reduced from one side far away from the first anchor plate 3 to one side close to the first anchor plate 3, so that the fifth connecting hole 401 is in a circular truncated cone shape, one end of the first connecting rib 5 is connected with the anchor clamping piece 9, the anchor clamping piece 9 is located in the fifth connecting hole 401, and the anchor head 10 is arranged at the other end of the first connecting rib 5; the aperture of the sixth connecting hole 402 gradually decreases from the side far away from the first anchor plate 3 to the side close to the first anchor plate 3, so that the sixth connecting hole 402 is in a circular truncated cone shape, one end of the second connecting rib 6 is connected with the anchor clip 9, the anchor clip 9 is located in the sixth connecting hole 402, and the other end of the second connecting rib 6 is provided with the anchor head 10. The anchor clamping piece 9 and the anchor head 10 are used for fixedly connecting the first connecting rib 5 and the second connecting rib 6 and assisting the first connecting rib 5 and the second connecting rib 6 in tensioning.

In this embodiment, the upper pipe half 1 is placed over the lower pipe half 2, the first anchor plate 3 and the second anchor plate 4 are placed in the first recess 7 and the second recess 8, respectively, and the holes are aligned. The steel strands are divided into a first connecting rib 5 and a second connecting rib 6, and an anchor head 10 is respectively processed at one end of the first connecting rib 5 and one end of the second connecting rib 6 by an extruder. And then, the first connecting rib 5 sequentially passes through the fifth connecting hole 401, the first connecting hole 103 and the third connecting hole 301, one end of the first connecting rib 5 is sleeved with an anchor clamping piece 9 and placed in the fifth connecting hole 401, and the other end of the first connecting rib 5 is provided with an anchor head 10. The second connecting rib 6 sequentially passes through the sixth connecting hole 402, the second connecting hole 203 and the fourth connecting hole 302, one end of the second connecting rib 6 is sleeved with an anchor clip 9 and placed in the sixth connecting hole 402, and the other end of the second connecting rib 6 is provided with an anchor head 10. And arranging a jack on one side of the pipe joint, wherein the jack is close to one side of the second groove 8, and tensioning the first connecting rib 5 and the second connecting rib 6 by using the jack. Because first splice bar 5 and second splice bar 6 are provided with anchor head 10, when stretch-draw, anchor head 10 supports on first anchor slab 3, makes first splice bar 5 and second splice bar 6 receive the pulling. After the designed stress value is reached, the jack is slowly released, the anchor clips 9 connected with the first connecting ribs 5 are pulled and clamped in the fifth connecting holes 401 by the first connecting ribs 5 retracting at a constant speed, the anchor clips 9 connected with the second connecting ribs 6 are pulled and clamped in the sixth connecting holes 402 by the second connecting ribs 6 retracting at a constant speed, an anchoring unit is formed, the upper half pipe joint 1, the lower half pipe joint 2, the first anchor plate 3 and the second anchor plate 4 are tightly connected together, the upper half pipe joint 1, the lower half pipe joint 2, the first anchor plate 3 and the second anchor plate 4 cannot move any more and cannot generate relative displacement any more, and the effect that the upper half pipe joint 1 and the lower half pipe joint 2 are not firm is achieved.

In the present embodiment, the third connection hole 301, the fourth connection hole 302, the fifth connection hole 401, and the sixth connection hole 402 are all provided in four. Four third connection holes 301 are distributed in a rectangular array at the top of the first anchor plate 3 and four fourth connection holes 302 are distributed in a rectangular array at the bottom of the first anchor plate 3. The four fifth connecting holes 401 are distributed in a rectangular array at the top of the second anchor plate 4, and the four sixth connecting holes 401 are distributed in a rectangular array at the bottom of the second anchor plate 4. It should be noted that the number of the third connection hole 301, the fourth connection hole 302, the fifth connection hole 401, and the sixth connection hole 402 is not limited to four.

Example two

The difference between the present embodiment and the first embodiment is that, on the basis of the first embodiment, the present embodiment further describes the connection between the upper half pipe joint 1 and the lower half pipe joint 2.

In this embodiment, a water stop gasket 11 is provided between the upper half pipe joint 1 and the lower half pipe joint 2. The water stop gasket 11 expands after meeting water, and completely fills the gap between the upper half pipe joint 1 and the lower half pipe joint 2, thereby playing a role in sealing. Optionally, the water stop gasket 11 of the present embodiment is a rubber gasket.

Further, the top end of the lower half pipe joint 2 of this embodiment is provided with a plurality of protrusions 204, the bottom end of the upper half pipe joint 1 is provided with the recesses 104 adapted to the protrusions 204, and the water-stop gasket 11 is laid on the surface of the protrusions 204. The mating of the upper pipe half 1 and the lower pipe half 2 is made tighter by the mating of the raised portion 204 and the recessed portion 104. Optionally, the protruding portion 204 of this embodiment is a trapezoidal structure, and before connection, the upper half pipe joint 1 can be stably placed above the lower half pipe joint 2, so that the upper half pipe joint 1 and the lower half pipe joint 2 are accurately butted, and dislocation is avoided.

In addition, in this embodiment, a first caulking notch 105 is provided on a side of the upper half pipe joint 1 adjacent to the side where the first notch 101 is provided, and a second caulking notch 205 is provided on a side of the lower half pipe joint 2 adjacent to the side where the third notch 201 is provided, so that when the upper half pipe joint 1 and the lower half pipe joint 2 are assembled into a pipe joint, the first caulking notch 105 and the second caulking notch 205 form a caulking groove 12, and the caulking groove 12 is filled with a sealing paste. The caulking grooves 12 are filled with a sealant, the upper half coupling 1 and the lower half coupling 2 can be connected, and the waterproof effect can be enhanced. The sealant of this example was a two-part polysulfide sealant.

Other structures of this embodiment are the same as those of the first embodiment, and are not described herein again.

EXAMPLE III

The difference between this embodiment and the second embodiment is that, on the basis of the second embodiment, the present embodiment further describes the structure of the upper half pipe joint 1 and the lower half pipe joint 2.

In this embodiment, the side surface and the top surface of the upper half pipe joint 1 are provided with upper half socket parts 13 which are integrally connected, the width of the upper half socket part 13 is smaller than that of the upper half pipe joint 1, the side surface and the bottom surface of the lower half pipe joint 2 are provided with lower half socket parts 14 which are integrally connected, the width of the lower half socket part 14 is smaller than that of the lower half pipe joint 2, and when the upper half pipe joint 1 and the lower half pipe joint 2 are assembled into a pipe joint, the upper half socket part 13 and the lower half socket part 15 form an annular structure. Because the upper half socket part 13 is smaller than the width of the upper half pipe joint 1, and the lower half socket part 14 is smaller than the width of the lower half pipe joint 2, gaps are formed on two sides of the socket part, and the socket part is convenient to socket and connect with other pipe joints.

In addition, the upper half pipe joint 1 and the lower half pipe joint 2 of the present embodiment are both provided with hoisting holes 15. Set up hoisting hole 15, be convenient for hoist and mount first pipe coupling 1 and second pipe coupling 2, make things convenient for the removal of pipe coupling.

Other structures of this embodiment are the same as those of the embodiment, and are not described herein again.

The working process of the utility model is as follows: (1) when the construction is started, the lower half pipe joint 2 is placed to a preset position through the hoisting hole 15, then the water stop gasket 11 is laid on the convex part 204, and then the upper half pipe joint 1 is hoisted to be placed above the lower half pipe joint 2, so that the convex part 204 is matched with the concave part 104. (2) The first anchor plate 3 is placed in the first recess 7 and the second anchor plate 4 is placed in the second recess 8, aligned with the hole site. (3) Then, the first connecting rib 5 sequentially passes through the fifth connecting hole 401, the first connecting hole 103 and the third connecting hole 301, one end of the first connecting rib 5 is sleeved with an anchor clamping piece 9 and placed in the fifth connecting hole 401, and the other end of the first connecting rib 5 is provided with an anchor head 10; the second connecting rib 6 sequentially passes through the sixth connecting hole 402, the second connecting hole 203 and the fourth connecting hole 302, one end of the second connecting rib 6 is sleeved with an anchor clip 9 and placed in the sixth connecting hole 402, and the other end of the second connecting rib 6 is provided with an anchor head 10; forming a pull-anchor joint. (4) And arranging a jack on one side of the pipe joint, wherein the jack is close to one side of the second groove 8, and tensioning the first connecting rib 5 and the second connecting rib 6 by using the jack. Because first splice bar 5 and second splice bar 6 are provided with anchor head 10, when stretch-draw, anchor head 10 supports on first anchor slab 3, makes first splice bar 5 and second splice bar 6 receive the pulling. After the designed stress value is reached, the jack is slowly released, the anchor clips 9 connected with the first connecting ribs 5 are pulled and clamped in the fifth connecting holes 401 by the first connecting ribs 5 retracting at a constant speed, and the anchor clips 9 connected with the second connecting ribs 6 are pulled and clamped in the sixth connecting holes 402 by the second connecting ribs 6 retracting at a constant speed, so that an anchoring unit is formed. (5) And after the joint connection is finished, cement paste is poured into a pore passage through which the first connecting rib 5 and the second connecting rib 6 penetrate, after grouting is qualified, anchor sealing concrete is poured into the first groove 7 and the second groove 8, and the first anchor plate 3, the second anchor plate 4, the anchor clamping piece 9, the anchor head 10, the exposed first connecting rib 5 and the exposed second connecting rib 6 are sealed and buried, so that the appearance of a joint area of the jacking pipe is smooth, and corrosion is prevented. And finally, filling the caulking groove 12 with two-component polysulfide sealant to enhance the waterproof effect of the pipe joint.

To sum up, the embodiment of the present invention provides an assembling structure of a prefabricated pipe jacking section, which is formed by respectively providing a first notch 101 and a second notch 102 on two opposite sides of the bottom end of an upper half pipe section 1, providing a third notch 201 and a fourth notch 202 on two opposite sides of the top end of a lower half pipe section 2, when the upper half pipe section 1 and the lower half pipe section 2 are assembled into a pipe joint, the first notch 101 and the third notch 102 form a first groove 7, the second notch 102 and the fourth notch 202 form a second groove 8, the first groove 7 and the second groove 8 are located on two opposite sides of the pipe joint, respectively placing a first anchor plate 3 and a second anchor plate 4 in the first groove 7 and the second groove 8, respectively connecting the top of the first anchor plate 3 and the second anchor plate 4 with the upper half pipe section 1 by using a first connecting rib 5, connecting the bottom of the first anchor plate 3 and the second anchor plate 4 with the lower half pipe section 2 by using a second connecting rib 6, the connecting ribs directly pass through the holes, so that the mounting is convenient, the convenience and the efficiency are high, and the connection is stable. And the first connecting rib 5 and the second connecting rib 6 adopt steel stranded wires to form anchor pulling type joints with the anchor clamping piece 9, the anchor head 10, the first anchor plate 3 and the second anchor plate 4, so that the connection is stable and the effect is good.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The splicing structure of the prefabricated pipe jacking joint is characterized by comprising an upper half pipe joint (1), a lower half pipe joint (2), a first anchor plate (3), a second anchor plate (4), a first connecting rib (5) and a second connecting rib (6), wherein a first notch (101) and a second notch (102) are respectively arranged on two sides of the bottom end of the upper half pipe joint (1), a third notch (201) and a fourth notch (202) are respectively arranged on two sides of the top end of the lower half pipe joint (2), so that the upper half pipe joint (1) and the lower half pipe joint (2) are spliced into the pipe joint, the first notch (101) and the third notch (201) form a first groove (7), the second notch (102) and the fourth notch (202) form a second groove (8), and the first groove (7) and the second groove (8) are positioned on two opposite sides of the pipe joint, the first anchor plate (3) is located in the first groove (7), and the second anchor plate (4) is located in the second groove (8); a first connecting hole (103) is formed in a groove wall between the first notch (101) and the second notch (102), a second connecting hole (203) is formed in a groove wall between the third notch (201) and the fourth notch (202), a third connecting hole (301) and a fourth connecting hole (302) are formed in the top and the bottom of the first anchor plate (3) respectively, and a fifth connecting hole (401) and a sixth connecting hole (402) are formed in the top and the bottom of the second anchor plate (4) respectively; the first connecting rib (5) sequentially penetrates through the fifth connecting hole (401), the first connecting hole (103) and the third connecting hole (301) to connect the second anchor plate (4), the upper half pipe joint (1) and the first anchor plate (3); the second connecting rib (6) sequentially penetrates through the sixth connecting hole (402), the second connecting hole (203) and the fourth connecting hole (302) to connect the second anchor plate (4), the lower half pipe joint (2) and the first anchor plate (3).

2. The splicing structure of the prefabricated pipe jacking section according to claim 1, wherein the first connecting rib (5) and the second connecting rib (6) are both steel strands.

3. The assembling structure of the precast pipe jacking pipe joint according to claim 2, further comprising an anchor clamping piece (9) and an anchor head (10), wherein the aperture of the fifth connecting hole (401) is gradually reduced from one side far away from the first anchor plate (3) to one side close to the first anchor plate (3), one end of the first connecting rib (5) is connected with the anchor clamping piece (9), the anchor clamping piece (9) is located in the fifth connecting hole (401), and the other end of the first connecting rib (5) is provided with the anchor head (10); the hole diameter of the sixth connecting hole (402) is gradually reduced from one side far away from the first anchor plate (3) to one side close to the first anchor plate (3), one end of the second connecting rib (6) is connected with the anchor clamping piece (9) and the anchor clamping piece (9) is located in the sixth connecting hole (402), and the other end of the second connecting rib (6) is provided with the anchor head (10).

4. The splicing structure of the prefabricated pipe jacking pipe joint as claimed in claim 1, wherein a water stop gasket (11) is arranged between the upper half pipe joint (1) and the lower half pipe joint (2).

5. The splicing structure of the prefabricated pipe jacking pipe joint as claimed in claim 4, wherein the top end of the lower half pipe joint (2) is provided with a plurality of convex parts (204), the bottom end of the upper half pipe joint (1) is provided with concave parts (104) matched with the convex parts (204), and the water stop gasket (11) is laid on the surfaces of the convex parts (204).

6. The splicing structure of prefabricated pipe jacking pipe sections according to claim 5, wherein the convex portion (204) is of a trapezoidal structure.

7. The assembling structure of the precast pipe jacking pipe joint as claimed in claim 4, wherein a first caulking notch (105) is provided on one side of the upper half pipe joint (1) adjacent to the side provided with the first notch (101), a second caulking notch (205) is provided on one side of the lower half pipe joint (2) adjacent to the side provided with the third notch (201), so that the upper half pipe joint (1) and the lower half pipe joint (2) are assembled into a pipe joint, the first caulking notch (105) and the second caulking notch (205) form a caulking groove (12), and the caulking groove (12) is filled with sealing paste.

8. The splicing structure of the prefabricated pipe jacking pipe joint according to claim 7, wherein the sealant is a two-component polysulfide sealant.

9. The splicing structure of the prefabricated pipe jacking pipe joint according to claim 1, wherein upper half socket parts (13) connected into a whole are arranged on the side surfaces and the top surface of the upper half pipe joint (1), the width of the upper half socket parts (13) is smaller than that of the upper half pipe joint (1), lower half socket parts (14) connected into a whole are arranged on the side surfaces and the bottom surface of the lower half pipe joint (2), the width of the lower half socket parts (14) is smaller than that of the lower half pipe joint (2), and when the upper half pipe joint (1) and the lower half pipe joint (2) are spliced into a pipe joint, the upper half socket parts (13) and the lower half socket parts (14) form a ring-shaped structure.

10. The splicing structure of the precast pipe jacking pipe joint as claimed in claim 1, wherein the upper half pipe joint (1) and the lower half pipe joint (2) are both provided with hoisting holes (15).