Glass fiber reinforced plastic sand inclusion pipe jacking external member convenient to connect

Abstract

The utility model discloses a glass fiber reinforced plastic sand inclusion pipe jacking external member convenient to connect, and relates to the technical field of glass fiber reinforced plastic. The device comprises a first glass fiber reinforced plastic mortar pipe and a second glass fiber reinforced plastic mortar pipe, the first glass fiber reinforced plastic mortar pipe and the second glass fiber reinforced plastic mortar pipe are connected through a connecting device, and the connecting device comprises two sliding rings, two threaded blocks, two buckles, two annular connecting shells and a bidirectional threaded rod. Through the arrangement of the connecting device, a sliding ring, a threaded block, a bidirectional threaded rod, a buckle, an inclined block, a T-shaped block, an inclined moving block and annular connecting shells are matched, the two annular connecting shells are further fixed through the T-shaped block and the inclined block, and therefore the first glass fiber reinforced plastic sand pipe and the second glass fiber reinforced plastic sand pipe are aligned; the stability and the safety of the first glass fiber reinforced plastic mortar pipe and the second glass fiber reinforced plastic mortar pipe are ensured, and the accident risk caused by weak points at the connecting position is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastics, in particular to a glass fiber reinforced plastic sand-filled jacking pipe kit which is easy to connect. Background Art

[0002] The FRP sand-filled pipe jacking kit is designed to be convenient and quick, suitable for all kinds of pipe connections, including high-strength FRP sand-filled pipes and special connection accessories. It is simple to use and easy to install, and the connection angle and length can be flexibly adjusted to adapt to various complex environments.

[0003] Patent announcement number CN200975561Y discloses a glass fiber reinforced plastic sand-filled jacking pipe, which includes a glass fiber reinforced plastic outer layer, a sand-filled layer, and a glass fiber reinforced plastic inner layer. The glass fiber reinforced plastic outer layer penetrates the pipe body of the glass fiber reinforced plastic sand-filled jacking pipe, and the sand-filled layer and the glass fiber reinforced plastic inner layer penetrate the pipe head, pipe body and pipe tail of the glass fiber reinforced plastic sand-filled jacking pipe. Grooves for setting sealing rings can be opened on the sand-filled layer of the pipe head and pipe tail. The utility model further reduces the cost of the glass fiber reinforced plastic sand-filled jacking pipe while meeting the axial strength required during jacking, and increases the radial strength of the entire glass fiber reinforced plastic sand-filled jacking pipe.

[0004] However, the current FRP sand-filled pipe jacking has the following problems: when two FRP sand-filled pipe jacking pipes are connected, the alignment between the FRP sand-filled pipes may be inaccurate, resulting in incomplete or uneven connection, which in turn affects the normal operation of the pipeline system. Therefore, we propose a FRP sand-filled pipe jacking kit that is easy to connect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect, thereby solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a glass fiber reinforced plastic sand-filled pipe jacking kit that is easy to connect, including a first glass fiber reinforced plastic sand-filled pipe and a second glass fiber reinforced plastic sand-filled pipe, the first glass fiber reinforced plastic sand-filled pipe and the second glass fiber reinforced plastic sand-filled pipe are connected by a connecting device, the connecting device includes two slip rings, two threaded blocks, two buckles, two annular connecting shells, and a bidirectional threaded rod, the two annular connecting shells are respectively fixed on the outer wall of one side of the first glass fiber reinforced plastic sand-filled pipe and the second glass fiber reinforced plastic sand-filled pipe that are close to each other, the two buckles are respectively fixed on the top of the two annular connecting shells, and the bidirectional threaded rod clamps It is connected to the inside of the two clips, and a bearing for the rotation of the two-way threaded rod is provided between the two-way threaded rod and the two clips. The two slip rings are respectively slidably installed on the outer walls of the first FRP sand-filled tube and the second FRP sand-filled tube. The two threaded blocks are respectively fixed on the tops of the two slip rings. A T-shaped block is penetrated and slidably provided on the side of the annular connecting shell fixed to the first FRP sand-filled tube, and one end of the T-shaped block is fixedly connected to an oblique block. A fixed block is fixedly connected to the side of the annular connecting shell fixed to the second FRP sand-filled tube, and an oblique moving block is slidably provided on the side of the annular connecting shell fixed to the second FRP sand-filled tube.

[0007] According to the above technical solution, a spring is arranged between the oblique moving block and the fixed block, and the oblique moving block is located on the displacement track of the oblique block. Such a design can make the installation and disassembly of the first FRP sand-filled pipe and the second FRP sand-filled pipe more convenient and quick.

[0008] According to the above technical solution, a plurality of T-shaped blocks are provided and arranged in a circumferential array on the side of the annular connecting shell. Such a design can adapt to the connection of sand-filled pipes of different lengths and can be flexibly installed according to actual needs.

[0009] According to the above technical solution, the inner wall of the annular connecting shell is provided with a sealing device for preventing a gap from appearing between the first FRP sand-filled tube and the second FRP sand-filled tube, the sealing device includes an annular folding bag, the side of the annular folding bag is fixedly connected to the inner wall of the annular connecting shell, the side of the annular folding bag away from the annular connecting shell is fixedly connected to a hose, the end of the hose away from the annular folding bag is fixedly connected to a sealing ring, the side of the annular folding bag away from the annular connecting shell is fixedly connected to an extrusion block, and the bottom of the T-shaped block is fixedly connected to a resistance block. Such a design can enhance the sealing performance of the connection.

[0010] According to the above technical solution, a track groove is opened on the side of the annular connecting shell, and the side of the abutment block contacts the inner wall of the track groove. Such a design can ensure a better seal between the seal and the surface of the sand-filled pipe to prevent liquid or gas leakage.

[0011] According to the above technical solution, the side surface of the extrusion block contacts the inner wall of the track groove, and the extrusion block is located on the displacement track of the abutment block. Such a design can reduce leakage and system failure caused by loose or falling connections.

[0012] The utility model provides a glass fiber reinforced plastic sand-filled jacking pipe kit which is easy to connect and has the following beneficial effects:

[0013] (1) The utility model arranges the connection device to coordinate the slip ring, the threaded block, the bidirectional threaded rod, the buckle, the oblique block, the T-shaped block, the oblique moving block, and the annular connection shell, so that the T-shaped block and the oblique block further fix the two annular connection shells, thereby aligning the first FRP sand-filled tube and the second FRP sand-filled tube, ensuring the stability and safety of the first FRP sand-filled tube and the second FRP sand-filled tube, and reducing the risk of accidents caused by weak points at the connection.

[0014] (2) The utility model sets a sealing device so that the annular folded bag, the hose and the sealing ring cooperate with each other, so that the annular folded bag is squeezed to generate gas, and the gas enters the sealing ring through the hose, thereby expanding the sealing ring, sealing the connection between the first FRP sand-filled tube and the second FRP sand-filled tube, thereby effectively preventing the first FRP sand-filled tube and the second FRP sand-filled tube from leaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the utility model as a whole;

[0016] Figure 2 This is a schematic diagram of the structure of the slip ring of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the T-shaped block of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at A in the middle;

[0019] Figure 5 It is a structural schematic diagram of the sealing ring of the utility model.

[0020] In the figure: 1. first glass fiber reinforced plastic sand-filled tube; 11. second glass fiber reinforced plastic sand-filled tube; 2. connecting device; 3. sealing device; 24. slip ring; 25. threaded block; 26. bidirectional threaded rod; 27. buckle; 28. annular connecting shell; 29. ​​T-shaped block; 210. oblique block; 211. fixed block; 212. oblique moving block; 213. spring; 31. annular folding bag; 32. hose; 33. sealing ring; 34. extrusion block; 35. resistance block; 36. track groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-5 One embodiment of the utility model is: a glass fiber reinforced plastic sand-filled pipe jacking kit that is easy to connect, including a first glass fiber reinforced plastic sand-filled pipe 1 and a second glass fiber reinforced plastic sand-filled pipe 11, the first glass fiber reinforced plastic sand-filled pipe 1 and the second glass fiber reinforced plastic sand-filled pipe 11 are connected by a connecting device 2, the connecting device 2 includes two slip rings 24, two threaded blocks 25, two buckles 27, two annular connecting shells 28, and a bidirectional threaded rod 26. The two annular connecting shells 28 are respectively fixed to the outer wall of one side of the first glass fiber reinforced plastic sand-filled pipe 1 and the second glass fiber reinforced plastic sand-filled pipe 11 that are close to each other, the two buckles 27 are respectively fixed to the tops of the two annular connecting shells 28, and the bidirectional threaded rod 26 is clamped inside the two buckles 27. A bearing for the rotation of the bidirectional threaded rod 26 is provided between the bidirectional threaded rod 26 and the two buckles 27. The two slip rings 24 are respectively slidably installed on the outer walls of the first FRP sand-filled tube 1 and the second FRP sand-filled tube 11. The two threaded blocks 25 are respectively fixed on the tops of the two slip rings 24. A T-shaped block 29 is penetrated and slidably provided on the side of the annular connecting shell 28 fixed to the first FRP sand-filled tube 1. One end of the T-shaped block 29 is fixedly connected to an oblique block 210. A fixed block 211 is fixedly connected to the side of the annular connecting shell 28 fixed to the second FRP sand-filled tube 11. An oblique moving block 212 is slidably provided on the side of the annular connecting shell 28 fixed to the second FRP sand-filled tube 11.

[0023] A spring 213 is provided between the oblique moving block 212 and the fixed block 211 , and the oblique moving block 212 is located on the displacement track of the oblique block 210 . Such a design can make the installation and disassembly of the first FRP sand-filled pipe 1 and the second FRP sand-filled pipe 11 more convenient and quick.

[0024] A plurality of T-shaped blocks 29 are provided and arranged in a circumferential array on the side surface of the annular connecting shell 28. Such a design can adapt to the connection of sand-filled pipes of different lengths and can be flexibly installed according to actual needs.

[0025] The inner wall of the annular connecting shell 28 is provided with a sealing device 3 for preventing a gap from appearing between the first FRP sand-filled tube 1 and the second FRP sand-filled tube 11. The sealing device 3 includes an annular folding bag 31. The side of the annular folding bag 31 is fixedly connected to the inner wall of the annular connecting shell 28. A hose 32 is fixedly connected to the side of the annular folding bag 31 away from the annular connecting shell 28. A sealing ring 33 is fixedly connected to one end of the hose 32 away from the annular folding bag 31. An extrusion block 34 is fixedly connected to the side of the annular folding bag 31 away from the annular connecting shell 28. A resistance block 35 is fixedly connected to the bottom of the T-shaped block 29. Such a design can enhance the sealing performance of the connection.

[0026] A track groove 36 is formed on the side of the annular connecting shell 28, and the side of the abutment block 35 contacts the inner wall of the track groove 36. This design can ensure a better seal between the seal and the surface of the sand-filled pipe to prevent liquid or gas leakage.

[0027] The side surface of the extrusion block 34 contacts the inner wall of the track groove 36 , and the extrusion block 34 is located on the displacement track of the abutment block 35 . Such a design can reduce leakage and system failure caused by loose or falling off of the connection.

[0028] When in use, the first glass fiber reinforced plastic sand-filled tube 1 and the second glass fiber reinforced plastic sand-filled tube 11 are butt-jointed together, and then the bidirectional threaded rod 26 is clamped at the first glass fiber reinforced plastic sand-filled tube 1 and the second glass fiber reinforced plastic sand-filled tube 11 through the corresponding buckles 27 of the first glass fiber reinforced plastic sand-filled tube 1 and the second glass fiber reinforced plastic sand-filled tube 11, and the corresponding slip rings 24 of the first glass fiber reinforced plastic sand-filled tube 1 and the second glass fiber reinforced plastic sand-filled tube 11 are pushed to move in the direction of the annular connecting shell 28, and the slip ring 24 drives the thread block 25 to lean against the bidirectional threaded rod 26 until the internal thread of the thread block 25 contacts the external thread of the bidirectional threaded rod 26, and the bidirectional threaded rod 26 is rotated, and the bidirectional threaded rod 26 drives the thread block 25 to move in the direction of the annular connecting shell 28. When the two annular connecting shells 28 are connected, one of the annular connecting shells 28 will drive the T-shaped block 29 and the oblique block 210 to move, and the inclined surfaces on both sides of the oblique block 210 will contact the oblique moving blocks 212 in their respective directions during the movement, so that the oblique moving block 212 is compressed when moving. Spring 213, when the oblique block 210 does not conflict with the oblique moving block 212, the spring 213 will drive the oblique moving block 212 to reset, so that the two annular connecting shells 28 are further fixed through the T-block 29 and the oblique block 210, so that the first FRP sand-filled tube 1 and the second FRP sand-filled tube 11 are aligned, ensuring the stability and safety of the first FRP sand-filled tube 1 and the second FRP sand-filled tube 11, and reducing the risk of accidents caused by weaknesses in the connection; during the movement of the T-block 29, the resistance block 35 will be driven to move, and the resistance block 35 will push the extrusion block 34 to squeeze the annular folding bag 31, and the annular folding bag 31 will produce gas when it is squeezed. The gas enters the inside of the sealing ring 33 through the hose 32, so that the sealing ring 33 is expanded, and the connection between the first FRP sand-filled tube 1 and the second FRP sand-filled tube 11 is sealed, thereby effectively preventing the first FRP sand-filled tube 1 and the second FRP sand-filled tube 11 from leaking.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect, comprising a first glass fiber reinforced plastic sand-filled pipe (1) and a second glass fiber reinforced plastic sand-filled pipe (11), characterized in that: The first glass fiber reinforced plastic sand-filled pipe (1) and the second glass fiber reinforced plastic sand-filled pipe (11) are connected via a connecting device (2); The connecting device (2) comprises two slip rings (24), two threaded blocks (25), two buckles (27), two annular connecting shells (28), and a bidirectional threaded rod (26). The two annular connecting shells (28) are respectively fixed to the outer walls of the first glass fiber reinforced plastic sand-filled pipe (1) and the second glass fiber reinforced plastic sand-filled pipe (11) on one side close to each other. The two buckles (27) are respectively fixed to the tops of the two annular connecting shells (28). The bidirectional threaded rod (26) is clamped inside the two buckles (27). A bearing for rotating the bidirectional threaded rod (26) is provided between the two slip rings (24) and the two buckles (27). They are respectively slidably mounted on the outer walls of the first glass fiber reinforced plastic sand-filled tube (1) and the second glass fiber reinforced plastic sand-filled tube (11), the two threaded blocks (25) being respectively fixed on the tops of the two sliding rings (24), the side of the annular connecting shell (28) fixed to the first glass fiber reinforced plastic sand-filled tube (1) being penetrated and slidably provided with a T-shaped block (29), one end of the T-shaped block (29) being fixedly connected with an oblique block (210), the side of the annular connecting shell (28) fixed to the second glass fiber reinforced plastic sand-filled tube (11) being fixedly connected with a fixed block (211), and the side of the annular connecting shell (28) fixed to the second glass fiber reinforced plastic sand-filled tube (11) being slidably connected with an oblique moving block (212).

2. The glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect according to claim 1, characterized in that: A spring (213) is provided between the oblique moving block (212) and the fixed block (211), and the oblique moving block (212) is located on the displacement track of the oblique block (210).

3. The glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect according to claim 2, characterized in that: The T-shaped blocks (29) are provided in plurality and arranged in a circumferential array on the side surface of the annular connecting shell (28).

4. The glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect according to claim 3 is characterized in that: The inner wall of the annular connecting shell (28) is provided with a sealing device (3) for preventing a gap from appearing between the first glass fiber reinforced plastic sand-filled pipe (1) and the second glass fiber reinforced plastic sand-filled pipe (11), the sealing device (3) comprising an annular folding bag (31), the side of the annular folding bag (31) being fixedly connected to the inner wall of the annular connecting shell (28), a hose (32) being fixedly connected to the side of the annular folding bag (31) away from the annular connecting shell (28), a sealing ring (33) being fixedly connected to the end of the hose (32) away from the annular folding bag (31), an extrusion block (34) being fixedly connected to the side of the annular folding bag (31) away from the annular connecting shell (28), and a resistance block (35) being fixedly connected to the bottom of the T-shaped block (29).

5. The glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect according to claim 4, characterized in that: A track groove (36) is provided on the side surface of the annular connecting shell (28), and the side surface of the abutment block (35) contacts the inner wall of the track groove (36).

6. The glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect according to claim 5, characterized in that: The side surface of the extrusion block (34) contacts the inner wall of the track groove (36).

7. The glass fiber reinforced plastic sand-filled jacking pipe kit that is easy to connect according to claim 6, characterized in that: The extrusion block (34) is located on the displacement track of the abutment block (35).

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