Building foundation pile dismantling device

Abstract

The utility model relates to the technical field of building construction, in particular to a building foundation pile dismantling device which comprises a ring seat, a driving part and a connecting part. The multiple clamping pieces are arranged in the circumferential direction of the driving part at intervals; the driving component is arranged between the ring seat and the driving part and is used for driving the plurality of clamping pieces to be synchronously close to or away from the axis of the driving part; the locking component is used for limiting or allowing the clamping piece to move relative to the driving part; an opening is formed in the top of the movable plate body, a plurality of first hydraulic cylinders are installed at the top of the movable plate body, a plurality of second hydraulic cylinders are installed at the bottom of the movable plate body, and wheel bodies are installed at the bottoms of the second hydraulic cylinders. The driving component drives the clamping pieces to synchronously get close to or get away from the axis of the driving part, so that the foundation pile body is clamped with uniform force, the locking component limits movement of the clamping pieces after clamping is finished, finally, the foundation pile body is pulled out through the first hydraulic cylinder, and the whole dismantling process is efficient and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, concretely is a building foundation pile dismantling device. BACKGROUND

[0002] The building foundation pile is the important component in building foundation engineering, and it is through the pile of a certain length and diameter that is punched into, drilled into or buried in the ground soil layer to transmit the load of the building to the deeper and more stable soil layer or rock layer, thereby enhancing the foundation bearing capacity and stability of the building.

[0003] The traditional building foundation pile dismantling device generally applies the vertical tension to the foundation pile to pull it out from the ground as a whole. However, the clamping device on most of the existing dismantling devices is difficult to clamp the foundation pile synchronously, which leads to the uneven distribution of the clamping force of the clamping device on the foundation pile, and the uneven distribution of the clamping force easily leads to the uneven stress of the foundation pile, thereby causing the inclination, deformation or slipping of the foundation pile. Therefore, the utility model aims to provide a building foundation pile dismantling device capable of clamping the foundation pile synchronously. SUMMARY

[0004] The utility model aims to provide a building foundation pile dismantling device to solve the problems in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a building foundation pile dismantling device, which comprises a ring seat, a driving part is rotatably connected to the top of the ring seat; a plurality of clamping parts are arranged along the circumference of the driving part; a driving member is arranged between the ring seat and the driving part to drive the plurality of clamping parts to move synchronously towards or away from the axis of the driving part; a locking member is used to limit or allow the movement of the clamping part relative to the driving part; a moving plate body is provided with an opening at the top, which is suitable for the insertion of the foundation pile body, a plurality of hydraulic cylinders one are installed on the top of the moving plate body, the output end of the hydraulic cylinder one is fixed to the bottom of the ring seat, a plurality of hydraulic cylinders two are installed on the bottom of the moving plate body, the output end of the hydraulic cylinder two is fixed to the bottom of the moving plate body, and a wheel body is installed at the bottom of the hydraulic cylinder two.

[0006] Optionally, the driving part comprises two driving rings and three connecting blocks, the two driving rings are fixed through the three connecting blocks, and the bottom of one of the driving rings is rotatably connected to the top of the ring seat.

[0007] Optionally, the driving member comprises three fixed parts, three shaft bodies one and three shaft bodies two; the clamping pieces are configured as three, the first ends of the three clamping pieces are respectively rotationally connected between the two driving rings through the three shaft bodies one and are respectively located between the adjacent two connecting blocks; the three fixed parts are circumferentially and spaced apart on the top of the ring seat, a notch is formed on the fixed part, and the three shaft bodies two are respectively and slidably arranged in the notch; and the second ends of the clamping pieces are rotationally connected with the shaft bodies two.

[0008] Optionally, the locking member comprises a push plate, a rotating plate and a locking plate; the end of the push plate is fixed on the connecting block, the free end of the push plate is rotationally connected with the rotating plate; and a plurality of locking plates are circumferentially and spaced apart on the circumferential wall of the ring seat, and the free end of the locking plate is provided with a locking opening suitable for the rotating plate to be movably inserted.

[0009] Optionally, the first end of the clamping piece is arc-shaped, and a plurality of friction increasing grooves are circumferentially and spaced apart on the circumferential wall of the first end of the clamping piece.

[0010] Optionally, the wheel body is configured as a universal wheel with a brake.

[0011] Compared with the prior art, the building foundation pile dismantling device has the following beneficial effects:

[0012] The driving member drives a plurality of clamping pieces to synchronously approach or move away from the shaft center of the driving part, so that the foundation pile body is clamped with uniform force, the locking member limits the movement of the clamping piece after the clamping is completed, and finally the foundation pile body is pulled out by the hydraulic cylinder one, and the whole dismantling process is efficient and stable.

[0013] The locking member is provided, when the user needs to limit the movement of the clamping piece, the rotating plate is first rotated downward and inserted into the locking opening of the corresponding locking plate, so that the rotation of the driving ring along the shaft center is limited, and the movement of the clamping piece is limited.

[0014] The friction increasing groove is provided, which is used for increasing the friction between the clamping piece and the outer wall of the foundation pile body when the clamping piece clamps the foundation pile, so that the sliding or falling of the foundation pile body in the pulling process is further prevented. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A partial three-dimensional structure schematic view of the utility model is shown;

[0016] Figure 2 A partial three-dimensional structure schematic view of the utility model is shown; Figure 1 A top view structure schematic view of the clamping part when the clamping part approaches the shaft center of the driving ring is shown;

[0017] Figure 3 The utility model discloses Figure 1 The top structure schematic diagram of the middle clamping part is shown when being far from the driving ring axis center;

[0018] Figure 4 The utility model discloses a three-dimensional structure schematic diagram.

[0019] In the drawing: 1, ring seat, 2, clamping piece, 3, moving plate body, 4, opening, 5, hydraulic cylinder one, 6, hydraulic cylinder two, 7, wheel body, 8, driving ring, 9, connecting block, 10, fixed part, 11, shaft body one, 12, shaft body two, 13, slot, 14, push plate, 15, rotating plate, 16, locking plate, 17, locking port, 18, increase the groove, 19, base pile body. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment: please refer to Figures 1 to 4 A building base pile dismantling device is provided according to the embodiment of the utility model, which comprises a ring seat 1, the top of which is rotationally connected with a driving part; a clamping piece 2 is arranged at intervals along the circumference of the driving part; a driving member is arranged between the ring seat 1 and the driving part, for driving the plurality of clamping pieces 2 to move synchronously towards or away from the axis of the driving part; a locking member is used for limiting or allowing the movement of the clamping piece 2 relative to the driving part; a moving plate body 3 is provided with an opening 4 at the top, which is suitable for the movable insertion of the base pile body 19, and a plurality of hydraulic cylinders one 5 are installed on the top of the moving plate body 3, the output end of the hydraulic cylinder one 5 is fixed to the bottom of the ring seat 1, a plurality of hydraulic cylinders two 6 are installed on the bottom of the moving plate body 3, the output end of the hydraulic cylinder two 6 is fixed to the bottom of the moving plate body 3, and the bottom of the hydraulic cylinder two 6 is installed with a wheel body 7.

[0022] When the user needs to remove the pile body 19, first, the moving plate body 3 is moved to the position of the pile body 19, and the pile body 19 is aligned with the opening 4. At this time, the hydraulic cylinder two 6 is started, the moving plate body 3 is lowered, the pile body 19 is inserted into the opening 4, passes through the inner ring of the ring seat 1, and is located in the driving part until the free end of the pile body 19 is located in the driving part, and the position of the moving plate body 3 is adjusted by the wheel body 7 to ensure that the pile body 19 is centered and aligned with the axis of the driving part. Then, the driving member drives the clamping piece 2 to be close to the axis of the driving part synchronously, the clamping piece 2 clamps the peripheral wall of the pile body 19, and after the clamping is stable, the position of the clamping piece 2 is locked by the locking member to prevent the pile body 19 from loosening or falling off in the subsequent pulling process. At this time, the hydraulic cylinder one 5 is started, the ring seat 1 is moved upwards, a vertical upward pulling force is applied to the pile body 19, the pile body 19 is gradually pulled out of the foundation, and when the pile body 19 is completely pulled out, the locking state of the clamping piece 2 by the locking member is released, the clamping piece 2 is driven away from the pile body 19 by the driving member, the pile body 19 is released, the removal work is completed, and the whole removal process is relatively stable and efficient.

[0023] In the embodiment, the driving part includes two driving rings 8 and three connecting blocks 9, the two driving rings 8 are fixed through the three connecting blocks 9, one bottom of the driving ring 8 is rotationally connected with the top of the ring seat 1, the driving ring 8 and the inner ring of the ring seat 1 are suitable for the insertion of the pile body 19 (that is, the diameter of the driving ring 8 and the inner ring of the ring seat 1 is greater than the diameter of the pile body 19), and the overall stability of the driving ring 8 is improved through the connection between the three connecting blocks 9 and the driving ring 8.

[0024] In the embodiment, the driving member includes three fixed parts 10, three shaft bodies one 11 and three shaft bodies two 12; the clamping pieces 2 are configured in three, the first ends of the three clamping pieces 2 are respectively rotationally connected between the two driving rings 8 through the three shaft bodies one 11 and are respectively located between the adjacent two connecting blocks 9; the three fixed parts 10 are circumferentially and spaced apart on the top of the ring seat 1, a notch 13 is formed on the fixed part 10, the three shaft bodies two 12 are respectively and slidably arranged in the notch 13, and the second ends of the clamping pieces 2 are rotationally connected with the shaft bodies two 12; when the user needs to drive the clamping pieces 2 to be close to the shaft center of the driving ring 8, first, the driving ring 8 is rotated, so that the driving ring 8 drives the shaft body one 11 to rotate around the shaft center of the driving ring 8; in this process, the first end of the clamping piece 2 swings through the rotation of the shaft body one 11, at the same time, the second end of the clamping piece 2 is constrained by the shaft body two 12 and slides in the length direction of the notch 13, so that the three clamping pieces 2 are simultaneously close to the shaft center of the driving ring 8; when the clamping piece 2 is close to the pile body 19, the circumferential side wall of the clamping piece 2 is in contact with the outer wall of the pile body 19, the pile body 19 is gradually clamped, and firm grabbing is achieved. When the user needs to drive the clamping pieces 2 to be away from the shaft center of the driving ring 8, the driving ring 8 is reversely rotated, so that the first end of the clamping piece 2 swings away from the shaft center of the pile body 19, the shaft body two 12 simultaneously slides in the notch 13, and the three clamping pieces 2 are guided to be simultaneously moved outward, so that the pile body 19 is released.

[0025] In the embodiment, the locking member includes a push plate 14, a rotating plate 15 and a locking plate 16; the end of the push plate 14 is fixed on the connecting block 9, and the free end of the push plate 14 is rotationally connected with the rotating plate 15; a plurality of locking plates 16 are circumferentially and spaced apart on the circumferential side wall of the ring seat 1, and the free end of the locking plate 16 is provided with a locking opening 17 suitable for the rotating plate 15 to be movably inserted; when the user needs to limit the movement of the clamping piece 2, first, the rotating plate 15 is rotated downward, so that the rotating plate 15 is inserted into the locking opening 17 of the corresponding locking plate 16, and then the rotation of the driving ring 8 along the shaft center is limited, so that the movement of the clamping piece 2 is limited.

[0026] The specific operation steps of locking the position of the clamping piece 2 by using the locking member are as follows: the driving ring 8 is rotated, when the clamping piece 2 clamps the pile body 19, a certain force is applied to make the push plate 14 and the adjacent locking plate 16 align upward and downward. At this time, the push plate 14 is directly above the locking opening 17 of the locking plate 16, then the rotating plate 15 is rotated to be inserted into the locking opening 17 of the corresponding locking plate 16 to complete the locking.

[0027] In the embodiment, the first end of the clamping piece 2 is arc-shaped, and a plurality of friction increasing grooves 18 are spaced apart on the circumferential side wall of the first end of the clamping piece 2; the friction increasing groove 18 is used to increase the friction between the clamping piece 2 and the outer wall of the pile body 19 when the clamping piece 2 clamps the pile, so as to further prevent the pile body 19 from sliding or falling off during the pulling process.

[0028] In this embodiment, the wheel body 7 is configured as a brake universal wheel; the universal wheel can realize multi-directional movement of the moving plate body 3 in the construction site, and fix the moving plate body 3 at the target position through the brake function, so as to ensure the stability of the clamping and demolition work.

[0029] Working principle: when the user needs to carry out the demolition work on the pile body 19, first, the moving plate body 3 is moved to the position where the pile body 19 is located, so that the pile body 19 is aligned with the opening 4; at this time, the hydraulic cylinder two 6 is started, so that the moving plate body 3 is lowered, the pile body 19 is inserted into the opening 4, passes through the inner ring of the ring seat 1, and is located in the inner ring of the driving ring 8 until the free end of the pile body 19 is located in the inner ring of the driving ring 8, and the position of the moving plate body 3 is adjusted through the wheel body 7, so as to ensure that the pile body 19 is centered with the axis of the inner ring of the driving ring 8. Then, the driving ring 8 is rotated, so that the driving ring 8 drives the shaft body one 11 to rotate around the axis of the driving ring 8; in this process, the first end of the clamping piece 2 swings through the rotation of the shaft body one 11, and the second end of the clamping piece 2 is constrained by the shaft body two 12 and slides in the length direction of the slot 13, so as to make the three clamping pieces 2 approach the axis of the driving ring 8 synchronously; when the clamping piece 2 approaches the pile body 19, the peripheral side wall of the clamping piece 2 will be in contact with the outer wall of the pile body 19, so as to gradually clamp the pile body 19; after the clamping is stable, the rotating plate 15 is rotated downward, so that it is inserted into the locking port 17 of the corresponding locking plate 16, thereby limiting the rotation of the driving ring 8 along the axis thereof, so as to limit the movement of the clamping piece 2 and prevent the pile body 19 from loosening or falling off in the subsequent pulling process. At this time, the hydraulic cylinder one 5 is started, so that the ring seat 1 moves upward, thereby exerting a vertical upward pulling force on the pile body 19, and gradually pulling out the pile body 19 from the foundation. When the pile body 19 is completely pulled out, the locking state of the clamping piece 2 by the locking member is released, and the driving ring 8 is reversely rotated, so that the first end of the clamping piece 2 swings away from the axis of the pile body 19, and the shaft body two 12 simultaneously slides in the slot 13, thereby guiding the three clamping pieces 2 to move outward synchronously, so as to release the pile body 19 and complete the demolition work. The whole demolition process is relatively stable and efficient; the friction increasing groove 18 is used to increase the friction between the clamping piece 2 and the outer wall of the pile body 19 when the clamping piece 2 clamps the pile, so as to further prevent the pile body 19 from sliding or falling off in the pulling process; the universal wheel can realize multi-directional movement of the moving plate body 3 in the construction site, and fix the moving plate body 3 at the target position through the brake function, so as to ensure the stability of the clamping and demolition work.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A building foundation pile removal apparatus, characterized by, The utility model relates to a building pile removal device, including: A ring seat (1) is rotatably connected with a driving part at the top; A plurality of clamping pieces (2) are arranged along the circumference of the driving part; A driving member is arranged between the ring seat (1) and the driving part to drive the plurality of clamping pieces (2) to move towards or away from the axis of the driving part synchronously; A locking member is used to limit or allow the movement of the clamping pieces (2) relative to the driving part; A moving plate body (3) is provided with an opening (4) at the top for the insertion of a pile body (19), the top of the moving plate body (3) is provided with a plurality of hydraulic cylinders I (5), the output end of the hydraulic cylinders I (5) is fixed to the bottom of the ring seat (1), the bottom of the moving plate body (3) is provided with a plurality of hydraulic cylinders II (6), the output end of the hydraulic cylinders II (6) is fixed to the bottom of the moving plate body (3), and the bottom of the hydraulic cylinders II (6) is provided with a wheel body (7).

2. A building pile removal device according to claim 1, wherein: The driving part includes two driving rings (8) and three connecting blocks (9), the two driving rings (8) are fixed by the three connecting blocks (9), and the bottom of one of the driving rings (8) is rotatably connected to the top of the ring seat (1).

3. The building pile removal device according to claim 2, wherein: The driving member includes three fixing parts (10), three shaft bodies I (11), and three shaft bodies II (12); The clamping pieces (2) are arranged in three, the first ends of the three clamping pieces (2) are rotatably connected between the two driving rings (8) by the three shaft bodies I (11) respectively, and are located between adjacent two connecting blocks (9) respectively; The three fixing parts (10) are arranged along the circumference of the top of the ring seat (1), a slot (13) is formed in the fixing part (10), the three shaft bodies II (12) are slidably arranged in the slot (13), and the second ends of the clamping pieces (2) are rotatably connected to the shaft bodies II (12).

4. The building pile removal device according to claim 3, wherein: The locking member includes a push plate (14), a rotating plate (15), and a locking plate (16); The end of the push plate (14) is fixed to the connecting block (9), and the free end of the push plate (14) is rotatably connected to the rotating plate (15); A plurality of locking plates (16) are arranged along the circumference of the side wall of the ring seat (1), a locking opening (17) is formed in the free end of the locking plate (16) for the insertion of the rotating plate (15).

5. A building pile removal device according to claim 3, wherein: The first end of the clamping piece (2) is arc-shaped, and a plurality of friction grooves (18) are arranged on the side wall of the first end of the clamping piece (2) at intervals.

6. A building pile removal device according to claim 1, wherein: The wheel body (7) is configured as a universal wheel with a brake.

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