Spliced PHC tubular pile

By designing a spliced ​​connection structure in PHC pipe piles, the internal pipe limit and spring tension are used to improve the connection tightness, the resistance problem when inserting soil in the prior art is solved, and more efficient installation and corrosion reduction are achieved.

CN222206316UActive Publication Date: 2024-12-20JIANGSU SHENYU HARBOR AFFAIRS ENG CO LTD
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Patent Information

Application Number
CN202420415660.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-05
Publication Date
2024-12-20
Estimated Expiration
2034-03-05

AI Technical Summary

Technical Problem

When the existing PHC pipe pile connection structure is used, the first connecting block, threaded rod, second connecting block and connection head affect the installation of the pipe pile, resulting in greater resistance to the device and affects the efficiency of the device.

Method used

A spliced ​​PHC pipe pile is designed, and the connection pipe is restricted by using the inner pipe to limit the connection pipe by setting up the connecting pipe, splicing device, protective shell, mounting shell, inner pipe, anti-blocking, slider, second spring and arc plate. , and the connecting pipe and the fixing ring are connected closer by the tension of the second spring, reducing the resistance when inserted into the soil, and making the protective shell more convenient to position and disassemble through magnets.

Benefits of technology

It effectively reduces the resistance when the device is inserted into the soil, improves the tightness between the connecting pipe and the fixing ring, reduces the corrosion of water and soil to the connection, and improves the efficiency of use.

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Abstract

The utility model relates to the technical field of PHC pipe piles, and discloses a splicing type PHC pipe pile which comprises pipe piles, the bottom face of the upper pipe pile and the top face of the lower pipe pile are both fixedly connected with connecting pipes, and a splicing device is arranged between the two connecting pipes. According to the spliced PHC tubular pile, the protective shell, the mounting bolts, the positioning sliding blocks, the first springs, the mounting plates and the clamping blocks are arranged, the protective shell is mounted on the fixing ring through the positioning sliding blocks, the clamping blocks clamp the protective shell through the elastic force of the first springs, and the protective shell is positioned; by arranging a mounting shell, an anti-falling block, a sliding plate, a second spring, a fixing ring and an arc-shaped plate, the outer surfaces of the connecting pipes are matched with the inner wall of the arc-shaped plate, the upper connecting pipe and the lower connecting pipe are both connected with the fixing ring, the sliding plate pulls the anti-falling block through the pulling force of the second spring, the connecting pipes are subjected to certain torque, and the fixing ring and the connecting pipes are prevented from rotating relative to each other; the connecting pipe is separated from the fixing ring, and the connecting tightness of the connecting pipe and the fixing ring is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of PHC pipe piles, in particular to a spliced ​​PHC pipe pile. Background Art

[0002] PHC pipe piles, namely prestressed high-strength concrete pipe piles, are hollow cylindrical concrete prefabricated components made by prestressed centrifugal forming technology and cured by steam at 10 atmospheres and about 180°C. They are widely used in a variety of high-rise buildings, low-cap pile foundations for industrial and civil buildings, and engineering foundations for railways, highways, bridges, ports, docks, and water conservancy projects.

[0003] A Chinese patent discloses a PHC pipe pile connection structure, with the publication number CN219157655U, comprising a device body, the device body comprising a caliper, a first connection block, a second connection block, a third connection block, a push rod and a connection head, a second pipe pile is arranged below the device body, a gap is provided between the device body and the second pipe pile, a caliper is arranged outside the device body and the second pipe pile, and one end of the caliper is rotatably connected to each other through a connecting shaft, and the other end of the caliper is connected to each other through a bolt, a first connection block and a second connection block are welded to the outside of the caliper, and the device can rotate the threaded rod by rotating the nut when in use, so that the threaded rod can pull the two pipe piles closer, which is conducive to making the two pipe piles fully contact each other.

[0004] However, it still has the following disadvantages: the device controls the rotation of the threaded rod to splice the two pipe piles, but when the pipe piles are used, the first connecting block, the threaded rod, the second connecting block and the connecting head all affect the installation of the pipe piles, and the soil has a large resistance to the device, which affects the use of the device. Therefore, we propose a spliced ​​PHC pipe pile to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a spliced ​​PHC pipe pile to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a spliced ​​PHC pipe pile, comprising a pipe pile, the bottom surface of the upper pipe pile and the top surface of the lower pipe pile are both fixedly connected with connecting pipes, a splicing device is arranged between the two connecting pipes, and the splicing device includes a docking portion;

[0007] The docking part includes a mounting shell, an inner tube, an anti-slip block, a slide plate, a second spring, a fixing ring and an arc plate. The outer surface of the mounting shell is fixedly connected with a fixing block, and the upper and lower end surfaces of the fixing block are threadedly penetrated with positioning bolts. The outer surface of the positioning bolt extends to the inside of the fixing ring, and the outer surface of the slide plate extends to the inside of the mounting shell and is slidably connected to the inner wall of the mounting shell.

[0008] A protective portion is arranged on the outer side of the fixing ring;

[0009] The protective part includes a protective shell, a magnetic plate, a first spring, a mounting plate and a clamping block. A mounting cavity is arranged inside the fixing ring. The first spring, the mounting plate and the clamping block are all arranged inside the mounting cavity. The outer surface of the mounting plate is fixedly connected to the outer surface of the clamping block. The outer surface of the clamping block slides through the inner wall of the mounting cavity and extends to the outside of the fixing ring.

[0010] A further improvement is that the fixing ring is fixedly sleeved on the outer surface of the inner tube, the outer surface of the inner tube is matched with the inner wall of the connecting tube, and the end faces of the two connecting tubes on the adjacent sides are matched with the outer surface of the fixing ring. By setting the inner tube and the fixing ring, the inner walls of the two connecting tubes are limited by the fixing ring so that the inner walls of the two connecting tubes are aligned.

[0011] A further improvement is that an arc groove is opened on the outer surface of the connecting pipe, the arc plate is arranged inside the arc groove, and the outer surface of the arc plate is fixedly connected to the outer surface of the fixing ring. By providing the arc plate, the connecting pipe and the fixing ring are easily spliced.

[0012] A further improvement is that one end of the second spring is fixedly connected to the inner wall of the mounting shell, the other end of the second spring is fixedly connected to the outer surface of the slide plate, the outer surface of the anti-slip block is fixedly connected to the outer surface of the connecting pipe, the outer surface of the slide plate is provided with a docking groove, and the outer surface of the anti-slip block extends to the inside of the docking groove. By arranging the anti-slip block, the mounting shell, the slide plate and the second spring, the tension of the second spring is utilized to apply tension to the anti-slip block, so that the connecting pipe and the fixing ring are more tightly connected.

[0013] A further improvement is that two positioning sliders are fixedly connected to the inner wall of the protective shell, and an installation groove is opened on the outer surface of the fixing ring. The outer surface of the positioning slider extends into the inside of the installation groove. By setting the positioning slider, it is convenient to install the protective shell on the fixing ring.

[0014] A further improvement is that one end of the first spring is fixedly connected to the outer surface of the mounting plate, the other end of the first spring is fixedly connected to the inner wall of the mounting cavity, a slot is provided on the inner wall of the protective shell, the clamping block extends into the inside of the slot and is clamped with the inner wall of the slot, and by arranging the first spring, the mounting plate and the clamping block, the elastic force of the first spring is utilized to make the clamping block clamp the protective shell, thereby facilitating the positioning of the protective shell.

[0015] A further improvement is that the magnetic plate is arranged inside the installation cavity, the outer surface of the magnetic plate is fixedly connected to the outer surface of the installation plate, and by setting the magnetic plate and using a magnet close to the magnetic plate, the card block is moved into the installation cavity.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the spliced ​​PHC pipe pile is provided with a protective shell, a mounting bolt, a positioning slider, a first spring, a mounting plate and a clamping block, and the positioning slider is used to install the protective shell on the fixing ring, and the elastic force of the first spring is used to clamp the clamping block to position the protective shell, and the protective shell is used to reduce the resistance of the device inserted into the soil, and reduce the corrosion of the water and soil on the connection of the device; by providing a mounting shell, a fixing block, an inner tube, an anti-slipping block, a slide plate, a second spring, a fixing ring and an arc plate, the inner tube is used to limit the connecting pipe, so that the inner walls of the two connecting pipes are aligned, and the upper and lower connecting pipes are connected to the fixing ring by matching the outer surface of the connecting pipe with the inner wall of the arc plate, and the pulling force of the second spring is used to pull the anti-slipping block to subject the connecting pipe to a certain torque, so as to prevent the fixing ring and the connecting pipe from rotating relative to each other, so that the connecting pipe and the fixing ring are separated, and the tightness of the connection between the connecting pipe and the fixing ring is improved; by providing a magnetic plate, a magnet is used to approach the magnetic plate, so that the first spring is compressed, which is convenient for disassembly of the protective shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a partial cross-sectional view of the three-dimensional structure of the utility model;

[0019] Figure 3 It is an exploded view of the local structure of the docking part of the utility model;

[0020] Figure 4 It is a top cross-sectional view of the three-dimensional structure of the utility model;

[0021] Figure 5 It is a partial cross-sectional view of the three-dimensional structure of the utility model.

[0022] In the figure: 1 pipe pile, 2 splicing device, 21 protection part, 22 docking part, 211 protection shell, 213 positioning slide block, 214 magnetic plate, 215 first spring, 216 mounting plate, 217 clamping block, 221 mounting shell, 222 positioning bolt, 223 fixing block, 224 inner tube, 225 anti-slip block, 226 slide plate, 227 second spring, 228 fixing ring, 229 arc plate, 3 connecting pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: a spliced ​​PHC pipe pile, comprising a pipe pile 1, the bottom surface of the upper pipe pile 1 and the top surface of the lower pipe pile 1 are both fixedly connected with a connecting pipe 3, a splicing device 2 is arranged between the two connecting pipes 3, and the splicing device 2 includes a docking portion 22;

[0025] The docking portion 22 includes a mounting shell 221, an inner tube 224, an anti-dropping block 225, a slide plate 226, a second spring 227, a fixing ring 228 and an arc-shaped plate 229. The outer surface of the mounting shell 221 is fixedly connected with a fixing block 223. The fixing block 223 has positioning bolts 222 threadedly penetrated through the upper and lower end surfaces. The outer surface of the positioning bolts 222 extends to the inside of the fixing ring 228. The outer surface of the slide plate 226 extends to the inside of the mounting shell 221 and is slidably connected to the inner wall of the mounting shell 221.

[0026] The fixing ring 228 is fixedly sleeved on the outer surface of the inner tube 224, the outer surface of the inner tube 224 is matched with the inner wall of the connecting tube 3, the end surfaces of the two connecting tubes 3 close to each other are matched with the outer surface of the fixing ring 228, the outer surface of the connecting tube 3 is provided with an arc groove, the arc plate 229 is arranged inside the arc groove, and the outer surface of the arc plate 229 is fixedly connected with the outer surface of the fixing ring 228;

[0027] One end of the second spring 227 is fixedly connected to the inner wall of the mounting shell 221, and the other end of the second spring 227 is fixedly connected to the outer surface of the slide plate 226. The outer surface of the anti-slip block 225 is fixedly connected to the outer surface of the connecting pipe 3. The outer surface of the slide plate 226 is provided with a docking groove, and the outer surface of the anti-slip block 225 extends to the inside of the docking groove. By arranging the mounting shell 221, the fixing block 223, the inner tube 224, the anti-slip block 225, the slide plate 226, the second spring 227, the fixing ring 228 and the arc plate 229, the The inner tube 224 limits the connection tube 3 so that the inner walls of the two connection tubes 3 are aligned. By matching the outer surface of the connection tube 3 with the inner wall of the arc plate 229, the upper and lower connection tubes 3 are connected to the fixing ring 228. The sliding plate 226 pulls the anti-slip block 225 by the pulling force of the second spring 227, so that the connection tube 3 is subjected to a certain torque to prevent the fixing ring 228 from rotating relative to the connection tube 3, so that the connection tube 3 is separated from the fixing ring 228, and the tightness of the connection between the connection tube 3 and the fixing ring 228 is improved.

[0028] A protective portion 21 is provided on the outside of the fixing ring 228;

[0029] The protection part 21 includes a protection shell 211, a magnetic plate 214, a first spring 215, a mounting plate 216 and a clamping block 217. A mounting cavity is provided inside the fixing ring 228. The first spring 215, the mounting plate 216 and the clamping block 217 are all provided inside the mounting cavity. The outer surface of the mounting plate 216 is fixedly connected to the outer surface of the clamping block 217. The outer surface of the clamping block 217 slides through the inner wall of the mounting cavity and extends to the outside of the fixing ring 228.

[0030] Two positioning slide blocks 213 are fixedly connected to the inner wall of the protective shell 211, and a mounting groove is provided on the outer surface of the fixing ring 228, and the outer surface of the positioning slide block 213 extends to the inside of the mounting groove;

[0031] One end of the first spring 215 is fixedly connected to the outer surface of the mounting plate 216, and the other end of the first spring 215 is fixedly connected to the inner wall of the mounting cavity. A card slot is provided on the inner wall of the protective shell 211, and the card block 217 extends into the card slot and is carded with the inner wall of the card slot. The protective shell 211, the mounting bolts 212, the positioning slider 213, the first spring 215, the mounting plate 216 and the card block 217 are provided, and the positioning slider 213 is used to install the protective shell 211 on the fixing ring 228. The elastic force of the first spring 215 is used to make the card block 217 clamp the protective shell 211, and the protective shell 211 is positioned. The protective shell 211 is used to reduce the resistance of the device when inserted into the soil, and reduce the corrosion of the water and soil on the connection of the device;

[0032] The magnetic plate 214 is arranged inside the installation cavity, and the outer surface of the magnetic plate 214 is fixedly connected to the outer surface of the installation plate 216. By setting the magnetic plate 214 and using a magnet close to the magnetic plate 214, the first spring 215 is compressed, which facilitates the disassembly of the protective shell 211.

[0033] During use, when dismantling the device, place the magnet close to the magnetic plate 214, the magnet pushes the magnetic plate 214 to move, and the magnetic plate 214 drives the mounting plate 216 and the clamping block 217 to move, so that the clamping block 217 no longer positions the protective shell 211, and the protective shell is removed, and the positioning bolt 213 is rotated to remove the mounting shell 221 and the slide plate 226, so that the slide plate 226 no longer applies torque to the anti-detachment block 225, and the connecting pipe 3 is rotated to separate the connecting pipe 3 from the arc plate 229 and the fixing ring 228.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spliced ​​PHC pipe pile, comprising a pipe pile (1), characterized in that: The bottom surface of the upper pipe pile (1) and the top surface of the lower pipe pile (1) are both fixedly connected with a connecting pipe (3), and a splicing device (2) is provided between the two connecting pipes (3), and the splicing device (2) includes a docking portion (22); The docking portion (22) comprises a mounting shell (221), an inner tube (224), an anti-slip block (225), a slide plate (226), a second spring (227), a fixing ring (228) and an arc-shaped plate (229); the outer surface of the mounting shell (221) is fixedly connected to a fixing block (223); the fixing block (223) has upper and lower end surfaces threadedly penetrated with positioning bolts (222); the outer surface of the positioning bolts (222) extends to the interior of the fixing ring (228); the outer surface of the slide plate (226) extends to the interior of the mounting shell (221) and is slidably connected to the inner wall of the mounting shell (221); A protective portion (21) is provided on the outer side of the fixing ring (228); The protective part (21) comprises a protective shell (211), a magnetic plate (214), a first spring (215), a mounting plate (216) and a clamping block (217); a mounting cavity is arranged inside the fixing ring (228); the first spring (215), the mounting plate (216) and the clamping block (217) are all arranged inside the mounting cavity; an outer surface of the mounting plate (216) is fixedly connected to an outer surface of the clamping block (217); and the outer surface of the clamping block (217) slides through an inner wall of the mounting cavity and extends to the outside of the fixing ring (228).

2. The spliced ​​PHC pile according to claim 1, characterized in that: The fixing ring (228) is fixedly sleeved on the outer surface of the inner tube (224); the outer surface of the inner tube (224) is matched with the inner wall of the connecting tube (3); and the end surfaces of the two connecting tubes (3) on the adjacent sides are matched with the outer surface of the fixing ring (228).

3. The spliced ​​PHC pile according to claim 1, characterized in that: An arc-shaped groove is formed on the outer surface of the connecting pipe (3), the arc-shaped plate (229) is arranged inside the arc-shaped groove, and the outer surface of the arc-shaped plate (229) is fixedly connected to the outer surface of the fixing ring (228).

4. The spliced ​​PHC pile according to claim 1, characterized in that: One end of the second spring (227) is fixedly connected to the inner wall of the mounting shell (221), the other end of the second spring (227) is fixedly connected to the outer surface of the slide plate (226), the outer surface of the anti-slip block (225) is fixedly connected to the outer surface of the connecting pipe (3), the outer surface of the slide plate (226) is provided with a docking groove, and the outer surface of the anti-slip block (225) extends into the interior of the docking groove.

5. The spliced ​​PHC pile according to claim 1, characterized in that: Two positioning slide blocks (213) are fixedly connected to the inner wall of the protective shell (211); a mounting groove is provided on the outer surface of the fixing ring (228); and the outer surface of the positioning slide block (213) extends into the interior of the mounting groove.

6. The spliced ​​PHC pile according to claim 1, characterized in that: One end of the first spring (215) is fixedly connected to the outer surface of the mounting plate (216), and the other end of the first spring (215) is fixedly connected to the inner wall of the mounting cavity. A slot is provided on the inner wall of the protective shell (211), and the clamping block (217) extends into the slot and is clamped to the inner wall of the slot.

7. The spliced ​​PHC pile according to claim 1, characterized in that: The magnetic plate (214) is arranged inside the installation cavity, and the outer surface of the magnetic plate (214) is fixedly connected to the outer surface of the installation plate (216).