CN219430799U - Stratum pile foundation cap PC construction method pile cofferdam - Google Patents

Abstract

The utility model discloses a PC construction method pile cofferdam for a stratum pile foundation bearing platform, which relates to the technical field of cofferdams and comprises a fixed frame and a movable frame, wherein one ends of the fixed frame and the movable frame are movably connected through a pin shaft, a weir plate is arranged on one side of the movable frame, a support arm is movably connected to the middle part of one side, close to the fixed frame and the movable frame, of the fixed frame through a pin shaft, and a movable seat is movably connected to the inner sides of one ends, close to the support arms, of the two support arms through a pin shaft. According to the cofferdam structure, the fixed frame and the movable frame are connected through the pin shafts, the weir plate is arranged on the outer side of the movable frame, the fixed frame, the movable frame and the weir plate can form the cofferdam structure, and the support arms are arranged between the fixed frame and the movable frame and can be adjusted through the threaded rods, so that the cofferdam can be installed and quickly adjusted, and the practicability and convenience of the cofferdam are improved.

Description

Stratum pile foundation cap PC construction method pile cofferdam

Technical Field

The utility model relates to the technical field of cofferdams, in particular to a PC construction method pile cofferdam for a stratum pile foundation bearing platform.

Background

The cofferdam is a temporary building enclosure which is built for building a permanent hydraulic facility in hydraulic engineering construction, and has the function of preventing water and soil from entering a building position of a building so as to drain water in the cofferdam, excavate a foundation pit and build the building, and is generally mainly used in hydraulic construction.

The PC construction method pile cofferdam is an important cofferdam supporting form composed of steel pipe piles and steel sheet piles, has wide application in terms of safety, reliability, environmental protection, economy and the like, and is usually only subjected to reinforcement welding at the joint of the cofferdam in order to enhance the water pressure impact resistance of the PC construction method pile cofferdam, and the reinforcement welding can ensure the strength of the cofferdam, but is relatively complex to disassemble and assemble and inconvenient to adjust according to actual requirements.

Therefore, it is necessary to solve the above problems by inventing a PC construction method pile cofferdam for a stratum pile cap.

Disclosure of Invention

The utility model aims to provide a PC construction method pile cofferdam for a stratum pile foundation bearing platform, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stratum pile foundation cushion cap PC worker method stake cofferdam, includes fixed frame and movable frame, the one end of fixed frame and movable frame is through round pin axle swing joint, one side of movable frame is provided with the weir plate, one side middle part that fixed frame and movable frame are close to each other is through round pin axle swing joint has the support arm, two the one end inboard that the support arm is close to each other is through round pin axle swing joint having the movable seat, threaded groove has been seted up in the middle part of movable seat, threaded groove's inside is run through and is provided with the threaded rod, the one end of threaded rod is through bearing swing joint having the connecting seat, the slot has all been seted up through round pin axle swing joint to the one end of connecting seat and fixed frame, the slot has all been run through at the lateral wall both ends of weir plate, the lateral wall four corners department of weir plate is all fixed and is provided with the inserted block with slot looks adaptation.

Preferably, two connecting frames are fixedly arranged on two sides of the fixing frame, a connecting block is arranged in the connecting frame, and a plugboard is fixedly arranged at the top end of the connecting block.

Preferably, one end of the plugboard is sleeved with a cannula, and one end of the cannula is fixedly provided with an arc-shaped plate.

Preferably, one ends of the two arc plates, which are close to each other, are movably connected through a pin shaft, the other ends of the arc plates are fixedly provided with second connecting seats, and the two second connecting seats are fixedly connected through bolts.

Preferably, pile foundations are arranged on the inner side of the arc-shaped plate, and locking bolts are arranged in screw holes formed in one end of the upper surface of the insertion pipe.

Preferably, the positioning grooves are formed in one end of the inner side walls of the fixed frame and the movable frame in a penetrating mode, and the positioning grooves are arranged in a strip-shaped structure.

The utility model has the technical effects and advantages that:

1. according to the cofferdam structure, the fixed frame and the movable frame are connected through the pin shafts, the weir plate is arranged on the outer side of the movable frame, the fixed frame, the movable frame and the weir plate can form the cofferdam structure, and the support arms are arranged between the fixed frame and the movable frame and can be adjusted through the threaded rods, so that the cofferdam can be installed and quickly adjusted, and the practicability and convenience of the cofferdam are improved;

2. according to the utility model, the insertion plate is arranged on one side of the fixed frame, the insertion pipe is arranged at one end of the insertion plate, the arc-shaped plates are arranged at one end of the insertion pipe, the two arc-shaped plates can form an annular structure, and the annular structure can be sleeved on the outer side of the pile foundation, so that the connection and fixation of the cofferdam and the pile foundation can be realized, and the installation strength of the device can be improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the positional relationship between a fixed frame and a movable frame according to the present utility model.

Fig. 3 is a schematic view of an arc plate structure of the present utility model.

Fig. 4 is a schematic view of a cofferdam structure of the present utility model.

In the figure: 1. a fixed frame; 2. a movable frame; 3. a weir plate; 4. a support arm; 5. a movable seat; 6. a thread groove; 7. a threaded rod; 8. a connecting seat; 9. a slot; 10. inserting blocks; 11. a connection frame; 12. a connecting block; 13. inserting plate; 14. a cannula; 15. an arc-shaped plate; 16. a second connecting seat; 17. pile foundation; 18. a locking bolt; 19. and a positioning groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a PC construction method pile cofferdam for a stratum pile foundation bearing platform, which is shown in figures 1-4, and comprises a fixed frame 1 and a movable frame 2, wherein one ends of the fixed frame 1 and the movable frame 2 are movably connected through a pin shaft, one side of the movable frame 2 is provided with a weir plate 3, the middle part of one side, which is close to each other, of the fixed frame 1 and the movable frame 2 is movably connected with a support arm 4 through a pin shaft, the inner sides of one ends, which are close to each other, of the two support arms 4 are movably connected with a movable seat 5 through a pin shaft, the middle part of the movable seat 5 is provided with a threaded groove 6 in a penetrating way, the inside of the threaded groove 6 is provided with a threaded rod 7 in a penetrating way, one end of the threaded rod 7 is movably connected with a connecting seat 8 through a bearing, the connecting seat 8 is movably connected with one end of the fixed frame 1 through a pin shaft, two ends of the outer side wall of the movable frame 2 are provided with a slot 9 in a penetrating way, and four corners of the outer side wall of the weir plate 3 are fixedly provided with an inserting block 10 which is matched with the slot 9;

specifically, two connecting frames 11 are fixedly arranged on two sides of the fixed frame 1, a connecting block 12 is arranged in the connecting frames 11, a plugboard 13 is fixedly arranged at the top end of the connecting block 12, a cannula 14 is sleeved at one end of the plugboard 13, an arc-shaped plate 15 is fixedly arranged at one end of the cannula 14, one ends of the two arc-shaped plates 15, which are close to each other, are movably connected through a pin shaft, a second connecting seat 16 is fixedly arranged at the other end of the arc-shaped plate 15, and the two second connecting seats 16 are fixedly connected through bolts;

more specifically, pile foundation 17 is arranged on the inner side of arc 15, locking bolt 18 is arranged in the screw hole formed in one end of the upper surface of insertion tube 14, positioning grooves 19 are formed in one end of the inner side walls of fixed frame 1 and movable frame 2 in a penetrating mode, and positioning grooves 19 are in a bar-shaped structure.

The working principle of the utility model is as follows:

when the device is installed, firstly, the device is placed in an installation area of a cofferdam, the fixed frame 1 is placed on the ground, then the threaded rod 7 is rotated, the threaded rod 7 is matched with the threaded groove 6, the position of the movable seat 5 can be adjusted, the movable seat 5 can drive the support arm 4 to move, the support arm 4 can drive the movable frame 2 to move, the angle between the movable frame 2 and the fixed frame 1 is changed, the angle of the movable frame 2 is adjusted according to the installation requirement of the cofferdam, then the weir plate 3 is placed between the two movable frames 2, the inserting block 10 is inserted into the inserting groove 9, at this time, the installation of the weir plate 3 can be realized, after the cofferdam plate 3 is installed, the two arc plates 15 are respectively placed on the outer sides of the pile foundation 17, then the positions of the two arc plates 15 are adjusted, the two arc plates 15 form an annular structure, and the positions between the two second connecting seats 16 are fixed through bolts, at this time, the positions of the arc plates 15 and the pile foundation 17 are fixed, the pile foundation 13 are adjusted in the position of the inserting block 14, the pile foundation 12 is inserted into the connecting frame 11, the position of the pile foundation 11, the position between the device and the cofferdam plate 3 can be stably installed at the bottom layer by the PC.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a stratum pile foundation cushion cap PC worker method stake cofferdam, includes fixed frame (1) and movable frame (2), its characterized in that: fixed frame (1) and the one end of movable frame (2) are through round pin axle swing joint, one side of movable frame (2) is provided with cofferdam board (3), one side middle part that fixed frame (1) and movable frame (2) are close to each other is through round pin axle swing joint there being support arm (4), two the one end inboard that support arm (4) are close to each other is through round pin axle swing joint there being movable seat (5), threaded groove (6) have been seted up in the middle part of movable seat (5), the inside of threaded groove (6) is run through and is provided with threaded rod (7), the one end of threaded rod (7) is through bearing swing joint there is connecting seat (8), connecting seat (8) are through round pin axle swing joint with the one end of fixed frame (1), slot (9) have all been seted up in the equal run through in outer lateral wall both ends of movable frame (2), the equal fixed plug-in block (10) with slot (9) looks adaptation in outer lateral wall four corners department of cofferdam board (3).

2. The stratum pile cap PC construction method pile cofferdam of claim 1, wherein: two connecting frames (11) are fixedly arranged on two sides of the fixing frame (1), connecting blocks (12) are arranged in the connecting frames (11), and inserting plates (13) are fixedly arranged at the top ends of the connecting blocks (12).

3. The stratum pile cap PC construction method pile cofferdam of claim 2, wherein: one end of the inserting plate (13) is sleeved with an inserting pipe (14), and one end of the inserting pipe (14) is fixedly provided with an arc-shaped plate (15).

4. A stratum pile cap PC construction method pile cofferdam according to claim 3, characterized in that: one ends of the two arc plates (15) close to each other are movably connected through a pin shaft, a second connecting seat (16) is fixedly arranged at the other end of the arc plate (15), and the two second connecting seats (16) are fixedly connected through bolts.

5. The stratum pile cap PC construction method pile cofferdam of claim 4, wherein: pile foundations (17) are arranged on the inner side of the arc-shaped plate (15), and locking bolts (18) are arranged in screw holes formed in one end of the upper surface of the insertion tube (14).

6. The stratum pile cap PC construction method pile cofferdam of claim 5, wherein: the positioning groove (19) is formed in one end of the inner side wall of the fixed frame (1) and one end of the inner side wall of the movable frame (2) in a penetrating mode, and the positioning groove (19) is of a strip-shaped structure.