Waterproof structure of prestressed pipe pile head

Abstract

The utility model relates to the technical field of plastic pipe pile head waterproofing, in particular to a prestressed pipe pile head waterproof structure which comprises a base, the top of the base is movably connected with the bottom of a cover plate in an abutting mode, the bottom of the cover plate is fixedly connected with the top of a locking mechanism, and the inner wall of the locking mechanism is movably connected with the outer wall of a compression mechanism in a clamped mode. The inner wall of the compression mechanism movably abuts against the outer wall of the sealing mechanism, water can be effectively prevented from entering the pile head from the top through water expansion of an expansion water stop ring, a locking bolt is rotated, the locking bolt rotates to drive a locking block to lock, the locking block locks to drive a locking ring to lock, and the locking ring locks to drive a compression baffle ring to lock. The device is fixedly installed on the pile head, waterproof can be conducted on the side face and the top of the pile head, meanwhile, double-layer waterproof can prevent the waterproof effect from being reduced due to treading, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof technology for the pile head of plastic pipe piles, and specifically relates to a waterproof structure for the pile head of prestressed pipe piles. Background Technique

[0002] Prestressed pipe piles, as a kind of precast concrete piles, have the characteristics of high single-pile bearing capacity, low cost per unit bearing capacity, fast construction speed, and reliable pile-forming quality. Generally, they are applicable to formation conditions such as soft soil, cohesive soil, silt, sand, and fully weathered rock mass. They are widely used in projects such as buildings, railways, highways, bridges, ports, and docks.

[0003] At present, most prestressed pipe piles on the market are waterproofed by brushing a waterproof coating after installation. After a long time of people walking and rubbing, the coating will be damaged, affecting the waterproof effect of the coating. Content of the Utility Model

[0004] The purpose of the utility model is to provide a waterproof structure for the pile head of prestressed pipe piles to solve the problem that walking friction will damage the coating in the above-mentioned background technique. To achieve the above purpose, the utility model provides the following technical scheme: A waterproof structure for the pile head of prestressed pipe piles, including a base, the top of the base is movably abutted against the bottom of a cover plate, and the bottom of the cover plate is fixedly connected to the top of a locking mechanism.

[0005] The inner wall of the locking mechanism is movably clamped with the outer wall of a compression mechanism, and the inner wall of the compression mechanism is movably abutted against the outer wall of a sealing mechanism.

[0006] Preferably, the base includes a pile head base, a hoop, and five pile head steel bars. The outer wall of the top of the pile head base is fixedly connected to the inner wall of the hoop, and the top of the pile head base is fixedly connected to the bottoms of the five pile head steel bars respectively.

[0007] Preferably, the cover plate is composed of a top cover, five expansion water stop rings, and a sealing gasket. The bottom of the top cover is movably abutted against the top of the pile head base, and five top cover through holes are arranged inside the top cover. The inner walls of the five top cover through holes are movably clamped with the outer walls of the five expansion water stop rings respectively, and the bottom of the top cover is fixedly connected to the top of the sealing gasket.

[0008] Preferably, the locking mechanism includes a locking ring, two locking blocks, and two locking bolts. The top of the locking ring is fixedly connected to the bottom of the sealing gasket, and the two sides of the locking ring are fixedly connected to one sides of the two locking blocks respectively. Locking through holes are arranged inside the two locking blocks, and the inner walls of the two locking through holes are threadedly connected to the outer walls of the two locking bolts respectively.

[0009] Preferably, the compression mechanism is composed of a compression retaining ring, a sealing ring and a compression gasket. The outer wall of the compression retaining ring is movably clamped with the inner wall of the locking ring, and the inner wall of the compression retaining ring is movably clamped with the outer wall of the sealing ring. The inner wall of the sealing ring is movably clamped with the outer wall of the compression gasket.

[0010] Preferably, the sealing mechanism includes a sealing opening and closing ring, five dust-proof rings and a sealing block. The outer wall of the sealing opening and closing ring is movably abutted against the inner wall of the compression gasket, and five sealing through holes are arranged inside the sealing opening and closing ring. The inner walls of the five sealing through holes are respectively movably clamped with the outer walls of the five dust-proof rings. The five dust-proof rings are annularly arranged around the center of the sealing block, and the inner wall of the sealing opening and closing ring is movably clamped with the outer wall of the sealing block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, the expansion water stop ring swells when encountering water, which can effectively prevent water from entering the pile head from the top. Rotate the locking bolt, and the rotation of the locking bolt drives the locking block to lock. The locking of the locking block drives the locking ring to lock. The locking of the locking ring drives the compression retaining ring to lock. The locking of the compression retaining ring drives the sealing ring to lock. The locking of the sealing ring drives the compression gasket to tightly fit against the outer wall of the pile head. This device is fixedly installed on the pile head, which can not only waterproof the side and top of the pile head, but also the double-layer waterproof can prevent the decline of the waterproof effect caused by anti-trampling, extend the service life, and bring convenience to people.

[0013] In the present utility model, the locking of the compression gasket drives the locking of the sealing opening and closing ring. The locking of the sealing opening and closing ring drives the dust-proof rings to lock inward. The inward locking of the dust-proof rings can closely fit with the sealing block. The locked dust-proof rings and the sealing block can prevent tiny moisture in the air from entering the device and damaging the pile head, further extending the service life of the pile head. Description of the Drawings

[0014] Figure 1 is the overall structural schematic diagram of the present utility model;

[0015] Figure 2 is the cross-sectional view of the present utility model;

[0016] Figure 3 is the exploded view of the present utility model.

[0017] In the figure: 1. Base; 101. Pile head base; 102. Sleeve hoop; 103. Pile head steel bars; 2. Cover plate; 201. Top cover; 202. Expansive water stop ring; 203. Sealing gasket; 3. Locking mechanism; 301. Locking ring; 302. Locking block; 303. Locking bolt; 4. Compression mechanism; 401. Compression retaining ring; 402. Sealing ring; 403. Expansive water stop ring; 5. Sealing mechanism; 501. Sealing opening and closing ring; 502. Dust-proof ring; 503. Sealing block. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0019] Please refer to Figures 1 to 3 , the present invention provides a technical solution: a waterproof structure for the pile head of a prestressed pipe pile, including a base 1, the top of the base 1 is movably abutted against the bottom of the cover plate 2, and the bottom of the cover plate 2 is fixedly connected to the top of the locking mechanism 3.

[0020] The inner wall of the locking mechanism 3 is movably clamped with the outer wall of the compression mechanism 4, and the inner wall of the compression mechanism 4 is movably abutted against the outer wall of the sealing mechanism 5.

[0021] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, the base 1 includes a pile head base 101, a sleeve hoop 102 and five pile head steel bars 103. The outer wall of the top of the pile head base 101 is fixedly connected to the inner wall of the sleeve hoop 102, and the top of the pile head base 101 is fixedly connected to the bottoms of the five pile head steel bars 103 respectively.

[0022] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, the cover plate 2 is composed of a top cover 201, five expansive water stop rings 202 and a sealing gasket 203. The bottom of the top cover 201 is movably abutted against the top of the pile head base 101, and five top cover through holes are provided inside the top cover 201. The inner walls of the five top cover through holes are movably clamped with the outer walls of the five expansive water stop rings 202 respectively, and the bottom of the top cover 201 is fixedly connected to the top of the sealing gasket 203. The expansive water stop ring 202 expands when encountering water, which can effectively prevent water from entering the pile head.

[0023] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown in the figure, the locking mechanism 3 includes a locking ring 301, two locking blocks 302 and two locking bolts 303. The top of the locking ring 301 is fixedly connected to the bottom of the sealing washer 203, and both sides of the locking ring 301 are fixedly connected to one side of the two locking blocks 302 respectively. There are locking through holes inside the two locking blocks 302, and the inner walls of the two locking through holes are threadedly connected to the outer walls of the two locking bolts 303 respectively. By rotating the locking bolts 303, the rotation of the locking bolts 303 drives the locking blocks 302 to lock, and the locking of the locking blocks 302 drives the locking ring 301 to lock.

[0024] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, the compression mechanism 4 is composed of a compression retaining ring 401, a sealing ring 402 and a compression washer 403. The outer wall of the compression retaining ring 401 is movably clamped with the inner wall of the locking ring 301, and the inner wall of the compression retaining ring 401 is movably clamped with the outer wall of the sealing ring 402. The inner wall of the sealing ring 402 is movably clamped with the outer wall of the compression washer 403. The locking of the locking ring 301 drives the compression retaining ring 401 to lock, the locking of the compression retaining ring 401 drives the sealing ring 402 to lock, and the locking of the sealing ring 402 drives the compression washer 403 to tightly fit against the outer wall of the pile head.

[0025] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, the sealing mechanism 5 includes a sealing opening and closing ring 501, five dust-proof rings 502 and a sealing block 503. The outer wall of the sealing opening and closing ring 501 is movably abutted against the inner wall of the compression washer 403, and there are five sealing through holes inside the sealing opening and closing ring 501. The inner walls of the five sealing through holes are movably clamped with the outer walls of the five dust-proof rings 502 respectively. The five dust-proof rings 502 are arranged in a circular array about the center of the sealing block 503, and the inner wall of the sealing opening and closing ring 501 is movably clamped with the outer wall of the sealing block 503. The locking of the compression washer 403 drives the sealing opening and closing ring 501 to lock, the locking of the sealing opening and closing ring 51 drives the dust-proof rings 502 to lock inward, and the inward locking of the dust-proof rings 502 can tightly fit with the sealing block 503.

[0026] The usage method and advantages of the present utility model: When the prestressed pipe pile pile head waterproof structure is working, the working process is as follows:

[0027] As Figure 1 , Figure 2 and Figure 3As shown, when the water-swellable sealing ring 202 swells upon contact with water, it can effectively prevent water from entering the pile head from the top. Rotate the locking bolt 303. The rotation of the locking bolt 303 drives the locking block 302 to lock. The locking of the locking block 302 drives the locking ring 301 to lock. The locking of the locking ring 301 drives the compression retaining ring 401 to lock. The locking of the compression retaining ring 401 drives the sealing ring 402 to lock. The locking of the sealing ring 402 drives the compression gasket 403 to tightly fit against the outer wall of the pile head. This device is fixedly installed on the pile head, which can not only waterproof the side and top of the pile head, but also the double-layer waterproofing can prevent the decline of the waterproof effect caused by anti-trampling, extend the service life, and bring convenience to people. The locking of the compression gasket 403 drives the airtight opening and closing ring 501 to lock. The locking of the airtight opening and closing ring 501 drives the dust-proof ring 502 to lock inward. The inward locking of the dust-proof ring 502 can closely fit with the airtight block 503. Through the locked dust-proof ring 502 and airtight block 503, tiny moisture in the air can be prevented from entering the device and damaging the pile head, further extending the service life of the pile head.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Technical staff in this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prestressed pipe pile head waterproof structure, comprising a base (1), characterized in that: The top of the base (1) is movably abutted against the bottom of the cover plate (2), and the bottom of the cover plate (2) is fixedly connected to the top of the locking mechanism (3); The inner wall of the locking mechanism (3) is movably engaged with the outer wall of the compression mechanism (4), and the inner wall of the compression mechanism (4) is movably abutted with the outer wall of the sealing mechanism (5).

2. A prestressed pipe pile head waterproof structure according to claim 1, characterized in that: The base (1) comprises a pile head base (101), a hoop (102) and five pile head steel bars (103); the outer wall of the top of the pile head base (101) is fixedly connected to the inner wall of the hoop (102), and the top of the pile head base (101) is fixedly connected to the bottoms of the five pile head steel bars (103).

3. A prestressed pipe pile head waterproof structure according to claim 2, characterized in that: The cover plate (2) is composed of a top cover (201), five expansion water stop rings (202) and a sealing gasket (203); the bottom of the top cover (201) is movably abutted against the top of the pile head base (101); five top cover through holes are arranged inside the top cover (201); the inner walls of the five top cover through holes are movably engaged with the outer walls of the five expansion water stop rings (202), respectively; and the bottom of the top cover (201) is fixedly connected to the top of the sealing gasket (203).

4. The prestressed pipe pile head waterproof structure according to claim 3, characterized in that: The locking mechanism (3) comprises a locking ring (301), two locking blocks (302) and two locking bolts (303); the top of the locking ring (301) is fixedly connected to the bottom of the sealing gasket (203), and the two sides of the locking ring (301) are respectively fixedly connected to one side of the two locking blocks (302); locking through holes are provided inside the two locking blocks (302), and the inner walls of the two locking through holes are respectively threadedly connected to the outer walls of the two locking bolts (303).

5. The prestressed pipe pile head waterproof structure according to claim 4, characterized in that: The compression mechanism (4) is composed of a compression baffle ring (401), a sealing ring (402) and a compression gasket (403); the outer wall of the compression baffle ring (401) is movably engaged with the inner wall of the locking ring (301); the inner wall of the compression baffle ring (401) is movably engaged with the outer wall of the sealing ring (402); and the inner wall of the sealing ring (402) is movably engaged with the outer wall of the compression gasket (403).

6. A prestressed pipe pile head waterproof structure according to claim 5, characterized in that: The sealing mechanism (5) comprises a sealed opening and closing ring (501), five dustproof rings (502) and a sealed block (503); the outer wall of the sealed opening and closing ring (501) is movably abutted against the inner wall of the compression gasket (403); five sealed through holes are arranged inside the sealed opening and closing ring (501); the inner walls of the five sealed through holes are movably engaged with the outer walls of the five dustproof rings (502) respectively; the five dustproof rings (502) are distributed in a ring array about the center of the sealed block (503); and the inner wall of the sealed opening and closing ring (501) is movably engaged with the outer wall of the sealed block (503).

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