Pile casing for underwater cast-in-situ bored pile

Abstract

The utility model discloses a pile casing for a bored pile in water, and particularly relates to the technical field of bored piles in water, the pile casing comprises a first cylinder body, a second cylinder body and a third cylinder body arranged between the first cylinder body and the second cylinder body, a movable hole is formed in one side of a connecting rod, a threaded rod is movably installed on one side of the interior of the movable hole, and the threaded rod is connected with the second cylinder body. And a sliding rod is fixedly mounted on the other side of the interior of the movable hole, and the outer surface of the threaded rod is in threaded connection with two moving blocks. According to the pile casing for the underwater cast-in-situ bored pile, in actual work, when a connecting rod is inserted into a connecting sleeve, a spring can push a limiting block to enable the limiting block to be inserted into a limiting hole, two movable blocks can move in opposite directions by rotating a threaded rod, and then two fixed blocks can be inserted into fixed holes; the first barrel body, the second barrel body and the third barrel body can be combined and connected, so that the combined connection is convenient, and the practical requirements of different lengths are met.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater bored piles, in particular to a casing for underwater bored piles. Background Art

[0002] Bored cast-in-place piles refer to piles that are made by forming pile holes in the foundation soil at the construction site through mechanical drilling, steel pipe squeezing or manual excavation, and placing steel cages and pouring concrete inside. Depending on the hole-forming method, cast-in-place piles can be divided into several categories, such as sunken pipe cast-in-place piles, bored cast-in-place piles and excavated cast-in-place piles. When building bridges and other structures, bored cast-in-place piles need to be carried out in water.

[0003] After searching, for example, the utility model with application number 201420456592.3 discloses a casing for underwater bored piles, which includes a large casing and a small casing. The small casing is located inside the large casing and the two are on the same center line. Backfill clay is provided between the large casing and the small casing. The length of the small casing is greater than that of the large casing. In the actual construction process, casings of different lengths are often required, and then multiple single casings need to be combined and connected, but the utility model is not convenient for combined connection. Therefore, in order to solve the above defects, the inventor proposes a casing for underwater bored piles. Utility Model Content

[0004] The main purpose of the utility model is to provide a casing for underwater bored piles, which can effectively solve the problem that it is inconvenient to combine and connect in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A casing for an underwater bored pile comprises a first cylinder, a second cylinder and a third cylinder arranged between the first cylinder and the second cylinder, a plurality of connecting rods are fixedly installed on one side of the outer surface of the second cylinder and the third cylinder, and a plurality of connecting sleeves are fixedly installed on one side of the outer surface of the second cylinder and the first cylinder, and the outer surfaces of the first cylinder, the second cylinder and the third cylinder are all provided with an anti-rust layer for preventing rust in water;

[0007] A movable hole is provided on one side of the connecting rod, a threaded rod is movably installed on one side of the movable hole, and a sliding rod is fixedly installed on the other side of the movable hole, the outer surface of the threaded rod is threadedly connected to two moving blocks, and the two moving blocks are movably connected to the sliding rod, driving rods are movably installed on both sides of the two moving blocks, and two fixed plates are movably installed on one side of the four driving rods away from the moving blocks, and fixed blocks are fixedly installed on one side of the two fixed plates, and limited holes are provided on both sides of the outer surface of the connecting rod;

[0008] Springs are fixedly installed on both sides of the interior of the connecting sleeve, and limiting blocks are fixedly installed on the opposite sides of the two springs. Fixing holes are opened on both sides of the interior of the connecting sleeve.

[0009] Preferably, a sealing groove is formed at one end of the first cylinder and the second cylinder, a sealing strip is fixedly installed inside the sealing groove, and a connecting ring is fixedly installed at one end of the second cylinder and the third cylinder.

[0010] Preferably, the size of the connecting ring is the same as the size of the sealing groove.

[0011] Preferably, a mounting plate is fixedly mounted on one end of the third cylinder, a movable frame is fixedly mounted on one side of the mounting plate, a baffle is movably mounted inside the movable frame, a fastening hole is opened on one side of the baffle, and a connecting hole is opened on one side of the top surface of the mounting plate.

[0012] Preferably, the outer surface of the threaded rod is provided with two opposite threads.

[0013] Preferably, the sizes of the two fixing blocks are respectively the same as the sizes of the two fixing holes.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model discloses a casing for bored piles in water. A connecting rod and a connecting sleeve are provided. In actual work, when the connecting rod is inserted into the connecting sleeve, a spring can push a limiting block to insert it into a limiting hole. By rotating the threaded rod, two moving blocks can be moved in opposite directions, and then two fixed blocks can be inserted into the fixed holes. Then, a first cylinder body, a second cylinder body and a third cylinder body can be combined and connected, so that the combined connection is convenient and suitable for actual needs of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connecting rod structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the connecting sleeve structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the sealing groove structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the baffle structure of the utility model.

[0021] In the figure: 1, first cylinder; 2, second cylinder; 3, third cylinder; 4, connecting rod; 5, connecting sleeve; 401, movable hole; 402, threaded rod; 403, sliding rod; 404, moving block; 405, driving rod; 406, fixing plate; 407, fixing block; 408, limiting hole; 501, spring; 502, limiting block; 503, fixing hole; 201, sealing groove; 202, sealing strip; 203, connecting ring; 301, mounting plate; 302, movable frame; 303, baffle; 304, fastening hole; 305, connecting hole. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] The utility model discloses a casing for a bored pile in water. Figure 1-5 As shown, it includes a first cylinder 1, a second cylinder 2 and a third cylinder 3 arranged between the first cylinder 1 and the second cylinder 2, a plurality of connecting rods 4 are fixedly installed on one side of the outer surface of the second cylinder 2 and the third cylinder 3, and a plurality of connecting sleeves 5 are fixedly installed on one side of the outer surface of the second cylinder 2 and the first cylinder 1, and the outer surfaces of the first cylinder 1, the second cylinder 2 and the third cylinder 3 are provided with an anti-rust layer for preventing rust in water, and the anti-rust layer can effectively prevent the first cylinder 1, the second cylinder 2 and the third cylinder 3 from rusting when they are in water.

[0024] A movable hole 401 is provided on one side of the connecting rod 4, a threaded rod 402 is movably installed on one side of the movable hole 401, and a sliding rod 403 is fixedly installed on the other side of the movable hole 401. Two movable blocks 404 are threadedly connected to the outer surface of the threaded rod 402, and the two movable blocks 404 are movably connected to the sliding rod 403. When the threaded rod 402 rotates, the two movable blocks 404 can be driven to rise and fall, and the sliding rod 403 can prevent the two movable blocks 404 from rotating with the rotation of the threaded rod 402. The outer surface of the threaded rod 402 is provided with two opposite threads, and when the user rotates the threaded rod 402, the two movable blocks 404 can be lifted and lowered in opposite directions.

[0025] Driving rods 405 are movably installed on both sides of the two moving blocks 404, and two fixed plates 406 are movably installed on the side of the four driving rods 405 away from the moving blocks 404, and a fixed block 407 is fixedly installed on one side of the two fixed plates 406. Limiting holes 408 are provided on both sides of the outer surface of the connecting rod 4. When the two moving blocks 404 are lifted and lowered in opposite directions, the driving rods 405 can push the fixed plates 406 to move.

[0026] Springs 501 are fixedly installed on both sides of the interior of the connecting sleeve 5, and limiting blocks 502 are fixedly installed on the opposite sides of the two springs 501. When the connecting rod 4 is inserted into the connecting sleeve 5, the spring 501 will push the limiting block 502 to insert it into the limiting hole 408. Fixed holes 503 are opened on both sides of the interior of the connecting sleeve 5. At the same time, when the driving rod 405 pushes the fixing plate 406 to move, the fixing block 407 can be inserted into the fixing hole 503.

[0027] A sealing groove 201 is provided at one end of the first cylinder 1 and the second cylinder 2, and a sealing strip 202 is fixedly installed inside the sealing groove 201. A connecting ring 203 is fixedly installed at one end of the second cylinder 2 and the third cylinder 3. The connecting ring 203 can be inserted into the sealing groove 201, and the sealing strip 202 can effectively improve the sealing performance between the connecting ring 203 and the sealing groove 201.

[0028] A mounting plate 301 is fixedly mounted on one end of the third cylinder 3, a movable frame 302 is fixedly mounted on one side of the mounting plate 301, a baffle 303 is movably mounted inside the movable frame 302, a fastening hole 304 is provided on one side of the baffle 303, a connecting hole 305 is provided on one side of the top surface of the mounting plate 301, the baffle 303 can effectively prevent external impurities from falling into the casing when the casing is not working, and the baffle 303 can be fixed by inserting bolts into the overlapping connecting hole 305 and fastening hole 304.

[0029] The working principle of the utility model is as follows: when the connecting rod 4 is inserted into the connecting sleeve 5, the spring 501 can push the limit block 502 to insert it into the limit hole 408, and the threaded rod 402 is rotated to make the two moving blocks 404 move in opposite directions, so that the two fixing blocks 407 can be inserted into the fixing hole 503, and then the first cylinder 1, the second cylinder 2 and the third cylinder 3 can be combined and connected. During this process, the connecting ring 203 can be inserted into the sealing groove 201, and the sealing strip 202 can effectively improve the sealing performance of the connecting ring 203 and the sealing groove 201. Multiple second cylinders 2 can be added through the above steps to increase the length of the casing.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A casing for an underwater bored pile, comprising a first cylinder (1), a second cylinder (2), and a third cylinder (3) disposed between the first cylinder (1) and the second cylinder (2), Features: A plurality of connecting rods (4) are fixedly mounted on one side of the outer surface of the second cylinder (2) and the third cylinder (3), and a plurality of connecting sleeves (5) are fixedly mounted on one side of the outer surface of the second cylinder (2) and the first cylinder (1), and the outer surfaces of the first cylinder (1), the second cylinder (2) and the third cylinder (3) are all provided with an anti-rust layer for preventing rust in water; A movable hole (401) is provided on one side of the connecting rod (4), a threaded rod (402) is movably installed on one side of the movable hole (401), and a sliding rod (403) is fixedly installed on the other side of the movable hole (401), the outer surface of the threaded rod (402) is threadedly connected to two moving blocks (404), and the two moving blocks (404) are movably connected to the sliding rod (403), and driving rods (405) are movably installed on both sides of the two moving blocks (404), and two fixed plates (406) are movably installed on the sides of the four driving rods (405) away from the moving blocks (404), and fixed blocks (407) are fixedly installed on one side of the two fixed plates (406), and limiting holes (408) are provided on both sides of the outer surface of the connecting rod (4); Springs (501) are fixedly installed on both sides of the interior of the connecting sleeve (5), and limiting blocks (502) are fixedly installed on opposite sides of the two springs (501), and fixing holes (503) are opened on both sides of the interior of the connecting sleeve (5).

2. A casing for underwater bored piles according to claim 1, Features: A sealing groove (201) is provided at one end of the first cylinder (1) and the second cylinder (2), a sealing strip (202) is fixedly installed inside the sealing groove (201), and a connecting ring (203) is fixedly installed at one end of the second cylinder (2) and the third cylinder (3).

3. A casing for underwater bored piles according to claim 2, Features: The size of the connecting ring (203) is the same as the size of the sealing groove (201).

4. A casing for underwater bored piles according to claim 1, Features: A mounting plate (301) is fixedly mounted on one end of the third cylinder (3), a movable frame (302) is fixedly mounted on one side of the mounting plate (301), a baffle (303) is movably mounted inside the movable frame (302), a fastening hole (304) is provided on one side of the baffle (303), and a connection hole (305) is provided on one side of the top surface of the mounting plate (301).

5. A casing for underwater bored piles according to claim 1, Features: The outer surface of the threaded rod (402) is provided with two opposite threads.

6. A casing for underwater bored piles according to claim 1, Features: The sizes of the two fixing blocks (407) are respectively the same as the sizes of the two fixing holes (503).

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