Slurry retaining wall pore-forming cast-in-place pile construction device and construction method

Abstract

The invention discloses a slurry retaining wall pore-forming cast-in-place pile construction device and a construction method, the slurry retaining wall pore-forming cast-in-place pile construction device comprises a base, the bottom of the base is rotatably connected with universal wheels which are annularly arranged and distributed, and one side of the top of the base is fixedly connected with a holding frame. The invention belongs to the technical field of cast-in-place pile construction, and particularly relates to a slurry retaining wall pore-forming cast-in-place pile construction device and method which solve the problems that the position of a detector cannot be adjusted according to different measured terrains, measurement is inconvenient, and the detection efficiency of a pile hole is low.

Description

Technical Field

[0001] The invention belongs to the technical field of cast-in-place pile construction, and in particular relates to a mud wall-protecting hole-forming cast-in-place pile construction device and a construction method. Background Art

[0002] Mud-wall bored piles are made by slowly drilling with a pile driver under mud-wall conditions, removing the drill cuttings with mud and protecting the hole wall from collapse. After the hole is formed, the mud is replaced by underwater concrete pouring.

[0003] The accuracy of pile holes is the basis for ensuring the quality of foundation. Therefore, during the construction process, it is often necessary to use an aperture detection device to detect the diameter of the pile to ensure the construction quality. When using existing aperture detection devices, the position of the detector cannot be adjusted according to the different measured terrains, which is inconvenient for measurement and leads to low detection efficiency of pile holes. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the position of the detector cannot be adjusted according to the different measured terrains, which makes the measurement inconvenient and leads to low detection efficiency of the pile holes.

[0005] The technical solution adopted by the present invention is as follows: a mud wall-protected hole-forming cast-in-place pile construction device and construction method, comprising a base, the bottom of the base is rotatably connected to a circularly arranged universal wheel, one side of the top of the base is fixedly connected to a holding frame, and further comprising

[0006] A vertical adjustment assembly is arranged at the top of the base, comprising a fixed cylinder, the fixed cylinder is fixedly connected to the top of the base, an adjustment column is vertically slidably arranged inside the fixed cylinder, the upper end of the adjustment column passes through the top of the fixed cylinder and is slidably connected thereto, and the adjustment column moves vertically inside the fixed cylinder through an adjustment mechanism;

[0007] The position adjustment component is arranged on one side of the adjustment column, and includes a horizontal plate and a slider. The upper end of the adjustment column is horizontal and fixedly connected to the top plate. The bottom wall of the top plate is fixedly connected to a round block. The bottom of the round block is fixedly installed with a servo motor. The horizontal plate is fixedly connected to the output end of the servo motor. The bottom wall of the horizontal plate is fixedly installed with a linear guide rail. The slider is horizontally slidably arranged on the linear guide rail.

[0008] The measuring assembly is arranged at the bottom of the slider and includes a round box, which is fixedly connected to the bottom wall of the slider. The bottom of the round box is provided with travel holes arranged in a ring shape, a measuring rod is slidably arranged inside the travel holes, and an adjustment mechanism is provided inside the round box to drive the measuring rod to synchronously contract or expand.

[0009] Furthermore, the adjustment mechanism includes a stud, a side strip and a limit rod, the inner bottom wall of the fixed cylinder is fixedly installed with a forward and reverse motor, the stud is fixedly connected to the output end of the forward and reverse motor, and is located inside the fixed cylinder, the lower end of the adjustment column is threadedly connected to the upper end of the stud, the side strip is fixedly connected to the outer wall of the adjustment column, and is symmetrically distributed, the limit rod is fixedly connected to the two side walls of the fixed cylinder, and the side strip is slidably arranged on the limit rod.

[0010] Furthermore, the adjustment mechanism includes a worm, a worm wheel and a bidirectional screw. A stepper motor is fixedly installed on the outer wall of the round box. One end of the worm is fixedly connected to the output end of the stepper motor, and the other end is rotatably connected to the inner wall of the round box. Both ends of the worm are provided with oppositely arranged threads. The bidirectional screw is rotatably connected between the inner walls of the round box and is located above the worm. The bidirectional screw and the worm are cross-arranged. The worm wheel is fixedly connected to the middle part of the bidirectional screw and is meshed with the worm. Four groups of measuring rods are provided. The upper ends of two groups of measuring rods are respectively threadedly connected to the two ends of the bidirectional screw, and the upper ends of the other two groups of measuring rods are respectively threadedly connected to the two ends of the worm. The lower ends of the four groups of measuring rods pass through the stroke hole and are arranged at the bottom of the round box.

[0011] Furthermore, a limiting groove is provided on the bottom wall of the round block, and is arranged in a ring shape. The cross-section of the limiting groove is arranged in a T-shape. One side of the top wall of the horizontal plate is fixedly connected with a limiting plate. The limiting plate is arranged in an arc shape, and its upper end is slidably arranged inside the limiting groove. The limiting plate and the limiting groove are adapted to each other. The top wall of the round box is fixedly connected with a limiting block, and it is distributed on both sides of the horizontal plate. The upper end of the limiting block is slidably connected to the outer wall of the horizontal plate.

[0012] Furthermore, the measuring rods are arranged in a continuous bending shape, and distance measuring sensors are fixedly mounted on the outer walls of the lower ends of two groups of adjacent measuring rods.

[0013] Furthermore, a symmetrically distributed reinforcement plate is fixedly connected to the connection between the base and the fixed column, a positioning rod is threadedly connected to the base and is distributed on both sides of the fixed tube, and a diagonal rod is fixedly connected between the top plate and the adjustment column.

[0014] Furthermore, the stud is arranged in a T-shape, and the upper end of the limit block is arranged in a transverse U-shape.

[0015] The present invention also includes a construction method of a mud wall-protecting hole-forming cast-in-place pile construction device, comprising the following steps:

[0016] (1) The position of the whole can be moved and adjusted by the holding frame and the universal wheel. After adjusting to the corresponding position, the positioning rod is screwed to insert it into the soil to position the whole and ensure its stability during later work and use;

[0017] (2) Control the forward and reverse motors to make the stud rotate at a uniform speed. The threaded connection between the adjustment column and the stud allows the adjustment column to be vertically adjusted under the limiting and guiding action of the side strips and the limiting rod, so that the height of the round box can be adaptively adjusted;

[0018] (3) Turn on the servo motor to rotate and adjust the horizontal plate. During the process, the horizontal plate drives the limit plate to rotate inside the limit groove, thereby increasing the stability of the horizontal plate during rotation;

[0019] (4) Control the linear guide rail so that the slider drives the round box to adjust its lateral position. During this process, the round box drives the limit block to move on the horizontal plate to increase the stability of the round box during adjustment. When the round box and the pile are in a coaxial state, the round box can be controlled to continue to move down to a suitable height.

[0020] (5) Turn on the stepper motor, and the meshing transmission of the worm and the worm wheel causes the bidirectional screw and the worm to rotate synchronously, so that multiple groups of measuring rods can be synchronously expanded or retracted under the restriction of the stroke hole. The distance between the two relative measuring rods can be detected by the distance measuring sensor, so that the pile diameters of different diameters can be quickly detected.

[0021] After adopting the above structure, the beneficial effects of the present invention are as follows:

[0022] (1) The meshing transmission between the worm and the worm wheel can make the bidirectional screw and the worm rotate synchronously, so that multiple measuring rods can be expanded or retracted synchronously. In combination with the distance sensor, the pile diameters of different diameters can be quickly detected.

[0023] (2) The position of the round box can be flexibly adjusted by rotating the horizontal plate and adjusting the horizontal position of the round box driven by the slider, so that it is coaxial with the pile, which is convenient for detecting the pile diameter;

[0024] (3) The uniform rotation of the stud allows the adjustment column to be adjusted vertically under the limiting and guiding action of the side strips and the limiting rod, thereby enabling the pile diameter to be detected for piles at different depths;

[0025] (4) It is convenient to move and adjust the position of the whole, and the position of the whole is positioned by the positioning rod to ensure its stability during later work and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0027] Figure 1 It is a schematic diagram of the overall structure of a mud wall-protected hole-forming cast-in-place pile construction device and a construction method of the present invention;

[0028] Figure 2 It is a front view of a mud wall-protecting hole-forming cast-in-place pile construction device and a construction method of the present invention;

[0029] Figure 3 A three-dimensional structural diagram of a mud wall-protected hole-forming cast-in-place pile construction device and construction method of the present invention Figure 1 ;

[0030] Figure 4 A three-dimensional structural diagram of a mud wall-protected hole-forming cast-in-place pile construction device and construction method of the present invention Figure 2 ;

[0031] Figure 5 It is a schematic diagram of the internal structure of a fixed cylinder of a mud wall-protected hole-forming cast-in-place pile construction device and construction method of the present invention;

[0032] Figure 6 A half-section view of a circular box of a mud wall-protected hole-forming cast-in-place pile construction device and a construction method of the present invention;

[0033] Figure 7 It is a schematic cross-sectional view of a round box of a mud wall-protected hole-forming cast-in-place pile construction device and construction method of the present invention;

[0034] Figure 8 The invention discloses a cross-sectional view of a round block and a limit plate of a mud wall-protecting hole-forming cast-in-place pile construction device and a construction method.

[0035] In the attached drawings: 1. base, 2. universal wheel, 3. holding frame, 4. fixing cylinder, 5. adjusting column, 6. cross plate, 7. slider, 8. top plate, 9. round block, 10. servo motor, 11. linear guide, 12. round box, 13. travel hole, 14. measuring rod, 15. stud, 16. side bar, 17. limit rod, 18. forward and reverse motor, 19. worm, 20. worm gear, 21. bidirectional screw, 22. stepping motor, 23. limit slot, 24. limit plate, 25. limit block, 26. distance measuring sensor, 27. reinforcement plate, 28. positioning rod, 29. inclined rod. DETAILED DESCRIPTION

[0036] like Figure 1-2 As shown, a mud wall bored pile construction device and construction method, which includes a base 1, the bottom of the base 1 is rotatably connected to a circularly arranged universal wheel 2, the top side of the base 1 is fixedly connected to a holding frame 3, the base 1 is threadedly connected to a positioning rod 28, and the positioning rod 28 is distributed on both sides of a fixed tube 4, and also includes a vertical adjustment component, a position adjustment component and a measurement component.

[0037] like Figure 1-5As shown, in order to adjust the detection height, a vertical adjustment component is arranged on the top of the base 1, including a fixed cylinder 4, which is fixedly connected to the top of the base 1, and a symmetrically distributed reinforcement plate 27 is fixedly connected at the connection between the base 1 and the fixed column to increase the stability of the fixed cylinder 4. An adjustment column 5 is vertically slidably arranged inside the fixed cylinder 4, and the upper end of the adjustment column 5 passes through the top of the fixed cylinder 4 and is slidably connected thereto. The adjustment column 5 is vertically moved inside the fixed cylinder 4 through an adjustment mechanism, and the adjustment mechanism includes a stud 15, a side bar 16 and a limit rod 17. The inner bottom of the fixed cylinder 4 A forward and reverse motor 18 is fixedly installed on the wall, the stud 15 is fixedly connected to the output end of the forward and reverse motor 18, and it is located inside the fixed tube 4, the stud 15 is T-shaped, the lower end of the adjusting column 5 is threadedly connected to the upper end of the stud 15, the side strips 16 are fixedly connected to the outer wall of the adjusting column 5, and they are symmetrically distributed, the limit rod 17 is fixedly connected to the two side walls of the fixed tube 4, and the side strips 16 are slidably arranged on the limit rod 17. The uniform rotation of the stud 15 can make the adjusting column 5 vertically adjusted under the limiting guiding action of the side strips 16 and the limit rod 17, so that the pile diameter of piles of different depths can be detected.

[0038] like Figure 1 , 2 , 3, 6 and 8, in order to flexibly adjust the position of the round box 12, the position adjustment component is arranged on one side of the adjusting column 5, including a cross plate 6 and a slider 7, the upper end of the adjusting column 5 is horizontal and fixedly connected with a top plate 8, the bottom wall of the top plate 8 is fixedly connected with a round block 9, an inclined rod 29 is fixedly connected between the top plate 8 and the adjusting column 5, a servo motor 10 is fixedly installed at the bottom of the round block 9, the cross plate 6 is fixedly connected to the output end of the servo motor 10, a linear guide 11 is fixedly installed on the bottom wall of the cross plate 6, the slider 7 is horizontally slidably arranged on the linear guide 11, and a limit groove 23 is provided on the bottom wall of the round block 9, and it is arranged in an annular shape, and the limit The cross-section of the positioning groove 23 is T-shaped, and one side of the top wall of the cross plate 6 is fixedly connected to a limiting plate 24. The limiting plate 24 is arc-shaped, and its upper end is slidably arranged inside the limiting groove 23. The limiting plate 24 and the limiting groove 23 are adapted to each other. The top wall of the round box 12 is fixedly connected to a limiting block 25, and the limiting block 25 is distributed on both sides of the cross plate 6. The upper end of the limiting block 25 is horizontally U-shaped, and the upper end of the limiting block 25 is slidably connected to the outer wall of the cross plate 6. The position of the round box 12 can be flexibly adjusted by rotating the cross plate 6 and adjusting the lateral position of the round box 12 driven by the slider 7, so that it is coaxial with the pile, which is convenient for detecting the pile diameter.

[0039] like Figure 1 , 3, 4, 6 and 7, in order to quickly detect the pile diameters of different diameters, the measuring component is arranged at the bottom of the slider 7, including a round box 12, the round box 12 is fixedly connected to the bottom wall of the slider 7, the bottom of the round box 12 is provided with travel holes 13 arranged in an annular manner, a measuring rod 14 is slidably provided inside the travel hole 13, and an adjustment mechanism for driving the measuring rod 14 to synchronously contract or expand is provided inside the round box 12, the adjustment mechanism includes a worm 19, a worm wheel 20 and a bidirectional screw 21, a stepping motor 22 is fixedly installed on the outer wall of the round box 12, one end of the worm 19 is fixedly connected to the output end of the stepping motor 22, and the other end is rotatably connected to the inner wall of the round box 12, both ends of the worm 19 are provided with oppositely arranged threads, the bidirectional screw 21 is rotatably connected between the inner walls of the round box 12, and it is located above the worm 19, the bidirectional screw 21 is rotatably connected The screw 21 and the worm 19 are cross-arranged, the worm wheel 20 is fixedly connected to the middle part of the bidirectional screw 21, and meshed with the worm 19. There are four groups of measuring rods 14, the upper ends of two groups of measuring rods 14 are respectively threadedly connected to the two ends of the bidirectional screw 21, and the upper ends of the other two groups of measuring rods 14 are respectively threadedly connected to the two ends of the worm 19. The lower ends of the four groups of measuring rods 14 all pass through the stroke hole 13 and are arranged at the bottom of the round box 12. The measuring rods 14 are arranged in a continuous bending shape, and the outer walls of the lower ends of the two adjacent groups of measuring rods 14 are fixedly installed with distance sensors 26. The bidirectional screw 21 and the worm 19 can be rotated synchronously through the meshing transmission of the worm 19 and the worm wheel 20, so that multiple measuring rods 14 can be synchronously expanded or retracted. In conjunction with the distance sensor, the pile diameters of different diameters can be quickly detected.

[0040] This embodiment also includes a construction method of a mud wall-protecting hole-forming cast-in-place pile construction device, comprising the following steps:

[0041] (1) The position of the whole can be moved and adjusted by the holding frame 3 and the universal wheel 2. After adjusting to the corresponding position, the positioning rod 28 is screwed to insert it into the soil to position the whole and ensure its stability during later work and use;

[0042] (2) Control the forward and reverse motors 18 to make the stud 15 rotate at a constant speed. The threaded connection between the adjustment column 5 and the stud 15 allows the adjustment column 5 to be vertically adjusted under the limiting and guiding action of the side strips 16 and the limiting rods 17, so that the height of the round box 12 can be adaptively adjusted;

[0043] (3) Turn on the servo motor 10 to rotate and adjust the horizontal plate 6. During this process, the horizontal plate 6 drives the limit plate 24 to rotate inside the limit groove 23, thereby increasing the stability of the horizontal plate 6 during rotation;

[0044] (4) Control the linear guide 11 so that the slider 7 drives the round box 12 to adjust its lateral position. During this process, the round box 12 drives the limit block 25 to move on the horizontal plate 6 to increase the stability of the round box 12 during adjustment. When the round box 12 is coaxial with the pile, the round box 12 can be controlled to continue to move down to a suitable height.

[0045] (5) The stepper motor 22 is turned on, and the meshing transmission of the worm 19 and the worm wheel 20 causes the bidirectional screw 21 and the worm 19 to rotate synchronously, so that the multiple groups of measuring rods 14 can be synchronously expanded or retracted under the restriction of the stroke hole 13. The distance between the two relative measuring rods 14 can be detected by the distance measuring sensor 26, so that the pile diameters of different diameters can be quickly detected.

[0046] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural modes and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they shall all fall within the scope of protection of the present invention.

Claims

1. A mud wall-protecting bored pile construction device, comprising a base (1), the bottom of the base (1) is rotatably connected to universal wheels (2) arranged in an annular manner, and one side of the top of the base (1) is fixedly connected to a holding frame (3), characterized in that: Also includes A vertical adjustment assembly is arranged on the top of the base (1), comprising a fixed cylinder (4), the fixed cylinder (4) being fixedly connected to the top of the base (1), an adjustment column (5) being arranged inside the fixed cylinder (4) for vertical sliding, the upper end of the adjustment column (5) passing through the top of the fixed cylinder (4) and being slidably connected thereto, and the adjustment column (5) being moved vertically inside the fixed cylinder (4) through an adjustment mechanism; A position adjustment component is arranged on one side of the adjustment column (5), comprising a transverse plate (6) and a slider (7); the upper end of the adjustment column (5) is horizontal and fixedly connected to a top plate (8); the bottom wall of the top plate (8) is fixedly connected to a round block (9); a servo motor (10) is fixedly installed at the bottom of the round block (9); the transverse plate (6) is fixedly connected to the output end of the servo motor (10); the bottom wall of the transverse plate (6) is fixedly installed with a linear guide rail (11); and the slider (7) is horizontally slidably arranged on the linear guide rail (11); The measuring assembly is arranged at the bottom of the slider (7), and comprises a round box (12). The round box (12) is fixedly connected to the bottom wall of the slider (7). The bottom of the round box (12) is provided with travel holes (13) arranged in an annular manner. A measuring rod (14) is slidably arranged inside the travel hole (13). An adjustment mechanism for driving the measuring rod (14) to synchronously contract or expand is arranged inside the round box (12).

2. A mud wall-protecting hole-forming cast-in-place pile construction device according to claim 1, characterized in that: The adjustment mechanism comprises a stud (15), a side strip (16) and a limit rod (17); a forward and reverse motor (18) is fixedly mounted on the inner bottom wall of the fixed cylinder (4); the stud (15) is fixedly connected to the output end of the forward and reverse motor (18) and is located inside the fixed cylinder (4); the lower end of the adjustment column (5) is threadedly connected to the upper end of the stud (15); the side strip (16) is fixedly connected to the outer wall of the adjustment column (5) and is symmetrically distributed; the limit rod (17) is fixedly connected to the two side walls of the fixed cylinder (4); and the side strip (16) is slidably arranged on the limit rod (17).

3. A mud wall-protecting hole-forming cast-in-place pile construction device according to claim 2, characterized in that: The adjustment mechanism comprises a worm (19), a worm wheel (20) and a bidirectional screw (21); a stepper motor (22) is fixedly mounted on the outer wall of the round box (12); one end of the worm (19) is fixedly connected to the output end of the stepper motor (22), and the other end is rotatably connected to the inner wall of the round box (12); oppositely arranged threads are provided at both ends of the worm (19); the bidirectional screw (21) is rotatably connected between the inner walls of the round box (12) and is located above the worm (19); 1) and the worm (19) are arranged crosswise, the worm wheel (20) is fixedly connected to the middle part of the bidirectional screw (21) and meshed with the worm (19), the measuring rods (14) are provided with four groups, the upper ends of two groups of the measuring rods (14) are respectively threadedly connected to the two ends of the bidirectional screw (21), the upper ends of the other two groups of the measuring rods (14) are respectively threadedly connected to the two ends of the worm (19), and the lower ends of the four groups of the measuring rods (14) all pass through the travel hole (13) and are arranged at the bottom of the round box (12).

4. A mud wall-protecting hole-forming cast-in-place pile construction device according to claim 2 or 3, characterized in that: The bottom wall of the round block (9) is provided with a limiting groove (23) which is arranged in an annular shape. The cross section of the limiting groove (23) is arranged in a T-shape. One side of the top wall of the transverse plate (6) is fixedly connected to a limiting plate (24). The limiting plate (24) is arranged in an arc shape, and its upper end is slidably arranged inside the limiting groove (23). The limiting plate (24) and the limiting groove (23) are adapted to each other. The top wall of the round box (12) is fixedly connected to a limiting block (25) which is distributed on both sides of the transverse plate (6). The upper end of the limiting block (25) is slidably connected to the outer wall of the transverse plate (6).

5. A mud wall-protecting hole-forming cast-in-place pile construction device according to claim 4, characterized in that: The measuring rods (14) are arranged in a continuous bending shape, and distance measuring sensors (26) are fixedly mounted on the outer walls of the lower ends of two groups of adjacent measuring rods (14).

6. A mud wall-protecting hole-forming cast-in-place pile construction device according to claim 1, characterized in that: A symmetrically distributed reinforcement plate (27) is fixedly connected to the connection between the base (1) and the fixed column, a positioning plug rod (28) is threadedly connected to the base (1) and is distributed on both sides of the fixed cylinder (4), and a diagonal tie rod (29) is fixedly connected between the top plate (8) and the adjustment column (5).

7. A mud wall-protecting hole-forming cast-in-place pile construction device according to claim 3, characterized in that: The stud (15) is arranged in a T-shape, and the upper end of the limit block (25) is arranged in a transverse U-shape.

8. The construction method of a mud wall-protecting hole-forming cast-in-place pile construction device according to claim 7 is characterized in that: The following steps are involved: (1) The position of the whole can be moved and adjusted by the holding frame (3) and the universal wheel (2). After adjusting to the corresponding position, the positioning rod (28) is screwed to be inserted into the soil to position the whole, thereby ensuring its stability during later work and use; (2) controlling the forward and reverse motors (18) to make the stud (15) rotate at a uniform speed, and the threaded connection between the adjusting column (5) and the stud (15) allows the adjusting column (5) to be vertically adjusted under the limiting and guiding action of the side strips (16) and the limiting rods (17), so that the height of the round box (12) can be adaptively adjusted; (3) Turning on the servo motor (10) to rotate and adjust the horizontal plate (6), during which the horizontal plate (6) drives the limiting plate (24) to rotate inside the limiting groove (23), thereby increasing the stability of the horizontal plate (6) during rotation; (4) Controlling the linear guide rail (11) so that the slider (7) drives the round box (12) to adjust its lateral position. During the process, the round box (12) drives the limit block (25) to move on the horizontal plate (6) to increase the stability of the round box (12) during adjustment, until the round box (12) and the pile are in a coaxial state, and then the round box (12) can be controlled to continue to move down to a suitable height; (5) The stepping motor (22) is turned on, and the meshing transmission of the worm (19) and the worm wheel (20) causes the bidirectional screw (21) and the worm (19) to rotate synchronously, so that the multiple groups of measuring rods (14) can be synchronously expanded or retracted under the restriction of the stroke hole (13). The distance between the two relative measuring rods (14) can be detected by the distance measuring sensor (26), so that the pile diameters of different diameters can be quickly detected.

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