Pile holding device for large-diameter steel pipe pile sinking

Abstract

The invention discloses a pile embracing device for large-diameter steel pipe pile sinking, the pile embracing device comprises a mounting frame and a lower pile embracing cylinder, the lower pile embracing cylinder is fixedly arranged on the front side of the mounting frame, and an upper pile embracing cylinder is slidably arranged on the front side of the mounting frame and located on the top of the lower pile embracing cylinder. According to the pile embracing device for large-diameter steel pipe pile sinking, the quick adjusting mechanism, the interval pile embracing mechanism and the centralized control mechanism are arranged on the front side of the mounting frame, so that in the process that the device embraces the steel pipe piles in the middle, the steel pipe piles which are different in specification and are in a swinging state can be quickly adjusted in the middle through the quick adjusting mechanism; and the steel pipe piles can be subjected to vertical interval pile embracing, and after the upper pile embracing barrel ascends to a designated position, a centering pressing plate in the quick adjusting mechanism is synchronously and automatically tightened, so that the steel pipe piles which swing can be automatically and quickly centered and positioned.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel pipe pile, in particular to a pile holding device for large-diameter steel pipe pile sinking. BACKGROUND

[0002] Steel pipe pile sinking construction is a key process for bridge foundation construction in the sea or water area. Steel pipe piles are used for positioning and installing support of large-tonnage prefabricated parts such as bridge prefabricated piers and pier bodies, and have the characteristics of high construction precision requirement, complex working condition, and large number of pile sinking.

[0003] In order to ensure the installation accuracy, the steel pipe pile is usually hoisted into the pile holding device, and the pile holding device is used for centering and guiding, thereby providing installation accuracy for the steel pipe pile.

[0004] Although the pile holding device in the prior art can center and adjust the steel pipe pile, it still has some deficiencies in actual use. The device lacks a widely applicable pre-concentrated adjustment mechanism, so that the steel pipe pile is inconvenient to be quickly centered and adjusted by fixing three or four points. Therefore, a pile holding device for large-diameter steel pipe pile sinking is proposed to solve the existing problems. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a pile holding device for large-diameter steel pipe pile sinking, which solves the problem that the device is inconvenient to quickly center and adjust the steel pipe pile which is large or small and swings by fixing three or four points.

[0006] To achieve the above purpose, the present application realizes the following technical scheme: a pile holding device for large-diameter steel pipe pile sinking, comprising a mounting frame and a lower pile holding cylinder, the lower pile holding cylinder is fixedly arranged on the front side of the mounting frame, an upper pile holding cylinder is slidably arranged on the front side of the mounting frame and at the top of the lower pile holding cylinder, a first hydraulic telescopic cylinder is fixedly connected in the lower pile holding cylinder and the upper pile holding cylinder, and a plurality of first hydraulic telescopic cylinders are equidistantly arranged around the first hydraulic telescopic cylinder, a guide roller is rotatably mounted on the end of the extension end of the first hydraulic telescopic cylinder through a support, a quick adjustment mechanism is arranged in the lower pile holding cylinder and the upper pile holding cylinder, a distance pile holding mechanism is arranged on the front side of the mounting frame, and a centralized control mechanism matched with the quick adjustment mechanism is arranged on the front side of the mounting frame.

[0007] Preferably, the quick adjusting mechanism comprises ring plates, two of which are rotatably arranged in the interiors of the lower pile-holding cylinder and the upper pile-holding cylinder through bearings, the top of each ring plate is provided with a polygonal sliding groove, the interior of the polygonal sliding groove is surrounded by a plurality of sliding blocks connected thereto at equal intervals, the top of each sliding block is fixedly connected with a centering pressing plate, the top of the centering pressing plate is rotatably provided with a limiting rod, the inner walls of the lower pile-holding cylinder and the upper pile-holding cylinder are both fixedly connected with a top plate, the top of the top plate is surrounded by a plurality of limiting notches used in cooperation with the limiting rod and is opened at equal intervals, and the surface of each ring plate is fixedly connected with an arc-shaped toothed edge push plate.

[0008] Preferably, the distance pile-holding mechanism comprises a second hydraulic telescopic cylinder, the second hydraulic telescopic cylinder is fixedly arranged on the rear side of the mounting rack through a support, the end of the extension end of the second hydraulic telescopic cylinder and the rear side of the upper pile-holding cylinder are both fixedly connected with mounting frames, a roller shaft is rotatably arranged between the inner cavities of the mounting frames, a push-pull plate is rotatably connected between the two roller shafts, and the push-pull plate is symmetrically arranged on two sides.

[0009] Preferably, the centralized control mechanism comprises a centralized control rod, the centralized control rod is fixedly arranged at the bottom of the top arc-shaped toothed edge push plate, the top of the arc-shaped toothed edge push plate at the bottom is provided with a centralized control groove which is slidably matched with the centralized control rod, the front side of the mounting rack is fixedly connected with a stand through a support, the surface of the stand is provided with a spiral groove, the surface of the stand is provided with a vertical groove which is in communication with the spiral groove, the surface of the upper pile-holding cylinder is rotatably provided with a gear sleeve through a support and a bearing, the inner wall of the gear sleeve is fixedly connected with a movable rod which is used in cooperation with the vertical groove and the spiral groove.

[0010] Preferably, the interior of the centering pressing plate at the top is provided with a receiving groove, the interior of the receiving groove is slidably connected with a pressing strip, the pressing strip and the receiving groove are fixedly connected with a spring, the inner wall of the receiving groove is mounted with a button, and the top of the upper pile-holding cylinder is surrounded by a plurality of indicator lights which are used in cooperation with the button and are mounted at equal intervals.

[0011] Preferably, the surface of the movable rod is rotatably provided with a sliding sleeve, and the end of the movable rod is provided with a first rolling ball.

[0012] Preferably, the pressing surface of the centering pressing plate is provided with a plurality of second rolling balls.

[0013] Preferably, the front side of the mounting rack is provided with a limiting sliding groove, the interior of the limiting sliding groove is slidably connected with a limiting sliding block, and the front side of the limiting sliding block is fixedly connected with the rear side of the upper pile-holding cylinder.

[0014] Preferably, the front sides of the mounting rack are both provided with through grooves which are used in cooperation with the push-pull plate.

[0015] Preferably, the top of the bending part of the mounting frame is provided with a mounting hole, and the mounting hole is provided with a plurality of mounting holes equidistantly.

[0016] The present application provides a large-diameter steel pipe pile sinking pile holding device.

[0017] (1) The large-diameter steel pipe pile sinking pile holding device, by setting the fast adjusting mechanism, the spacing pile holding mechanism and the control mechanism on the front side of the mounting frame, the device can quickly adjust the center of the steel pipe pile in the swinging state through the fast adjusting mechanism, and simultaneously through the cooperation, the steel pipe pile can be vertically spaced and held, and after the upper pile holding cylinder rises to the specified position, the centering pressing plate in the fast adjusting mechanism is automatically tightened, so that the swinging steel pipe pile can be automatically and quickly centered and positioned.

[0018] (2) The large-diameter steel pipe pile sinking pile holding device, by setting the second ball on the extrusion surface of the centering pressing plate, when the centering pressing plate extrudes and adjusts the center of the steel pipe pile, the second ball can reduce the frictional resistance.

[0019] (3) The large-diameter steel pipe pile sinking pile holding device, by setting the pressing strip, the spring and the button between the centering pressing plate and the prompt light, the centering pressing plate can extrude the steel pipe pile through the pressing strip, so that the prompt light can be started, and the number of the prompt light can help the staff to understand the centering adjustment progress.

[0020] (4) The large-diameter steel pipe pile sinking pile holding device, by setting the sliding sleeve and the first ball on the surface and the end of the movable rod respectively, the movable rod can smoothly move in the vertical groove and the spiral groove through the cooperation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an external structure schematic diagram of the present application;

[0022] Figure 2 It is another view of the external structure schematic diagram of the present application;

[0023] Figure 3 It is an internal structure schematic diagram of the mounting frame of the present application;

[0024] Figure 4 It is a schematic diagram of the control mechanism structure of the present application (I);

[0025] Figure 5 It is a schematic diagram of the fast adjusting mechanism structure of the present application;

[0026] Figure 6 It is a schematic diagram of the upper pile holding cylinder structure of the present application;

[0027] Figure 7 It is a schematic view of the control mechanism structure of the application (two);

[0028] Figure 8 It is a schematic view of the application Figure 7 It is a local enlarged view of A in the application;

[0029] Figure 9 It is a schematic view of the internal structure of the storage groove of the application;

[0030] Figure 10 It is a folding demonstration diagram of the centering pressing plate structure of the application.

[0031] In the figure: 1, mounting frame; 2, lower pile holding cylinder; 3, upper pile holding cylinder; 4, first hydraulic telescopic cylinder; 5, guide roller; 6, quick adjustment mechanism; 601, ring plate; 602, polygonal sliding groove; 603, sliding block; 604, centering pressing plate; 605, limiting rod; 606, top plate; 607, limiting notch; 608, arc-shaped toothed edge push plate; 7, spacing pile holding mechanism; 701, second hydraulic telescopic cylinder; 702, mounting frame; 703, roller; 704, push-pull plate; 8, control mechanism; 801, control rod; 802, control groove; 803, stand; 804, spiral groove; 805, vertical groove; 806, gear sleeve; 807, movable rod; 9, storage groove; 10, pressing strip; 11, spring; 12, button; 13, prompt light; 14, sliding sleeve; 15, first ball; 16, second ball; 17, limiting sliding groove; 18, limiting sliding block; 19, through groove; 20, mounting hole. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application.

[0033] Please refer to Figures 1-10 The application provides a technical solution: a pile holding device for large-diameter steel pipe pile sinking, which comprises a mounting frame 1 and a lower pile holding cylinder 2, the lower pile holding cylinder 2 is fixedly arranged on the front side of the mounting frame 1, an upper pile holding cylinder 3 is slidingly arranged on the front side of the mounting frame 1 and at the top of the lower pile holding cylinder 2, first hydraulic telescopic cylinders 4 are fixedly connected inside the lower pile holding cylinder 2 and the upper pile holding cylinder 3, and a plurality of first hydraulic telescopic cylinders 4 are arranged at equal intervals, guide rollers 5 are rotatably mounted on the end portions of the extension ends of the first hydraulic telescopic cylinders 4 through supports, a limiting sliding groove 17 is formed in the front side of the mounting frame 1, a limiting sliding block 18 is slidingly connected inside the limiting sliding groove 17, the front side of the limiting sliding block 18 is fixedly connected with the rear side of the upper pile holding cylinder 3, mounting holes 20 are formed at the top of the bent portion of the mounting frame 1, and a plurality of mounting holes 20 are arranged at equal intervals.

[0034] As a preferred embodiment, in order to conveniently and quickly center the steel pipe pile, the inner part of the lower pile holding cylinder 2 and the upper pile holding cylinder 3 is provided with a quick adjustment mechanism 6, the quick adjustment mechanism 6 comprises a ring plate 601, the ring plate 601 is provided with two, and the two ring plates 601 are respectively rotationally arranged in the inner part of the lower pile holding cylinder 2 and the upper pile holding cylinder 3 through bearings, a polygonal sliding groove 602 is opened at the top of the ring plate 601, a plurality of sliding blocks 603 are connected in the inner part of the polygonal sliding groove 602 in a sliding manner at equal intervals, a centering pressing plate 604 is fixedly connected to the top of the sliding block 603, a limiting rod 605 is rotationally arranged at the top of the centering pressing plate 604, a top plate 606 is fixedly connected to the inner wall of the lower pile holding cylinder 2 and the upper pile holding cylinder 3, a plurality of limiting grooves 607 matched with the limiting rod 605 are opened at equal intervals at the top of the top plate 606, an arc-shaped toothed edge push plate 608 is fixedly connected to the surface of the ring plate 601, and a plurality of second ball bearings 16 are arranged on the pressing surface of the centering pressing plate 604.

[0035] A receiving groove 9 is arranged in the inner part of the top centering pressing plate 604, a pressing strip 10 is connected in the receiving groove 9 in a sliding manner, a spring 11 is fixedly connected between the pressing strip 10 and the receiving groove 9, a button 12 is mounted on the inner wall of the receiving groove 9, a plurality of prompt lights 13 matched with the button 12 are mounted at equal intervals at the top of the upper pile holding cylinder 3, and as a detailed explanation, the length of the pressing strip 10 is greater than that of the second ball bearing 16, the other side of the centering pressing plate 604 is provided with a thin plate, the thickness of the thin plate is less than that of the centering pressing plate 604, the thin plate is arranged in a staggered manner with the pressing strip 10, and the pressing strip 10 and the steel pipe pile will not be affected by the extrusion and centering adjustment, the centering pressing plate 604 can be closely attached to the adjacent centering pressing plate 604 through the thin plate, so that the plurality of centering pressing plates 604 extrude in the same direction, and the combined space is enlarged or reduced.

[0036] As a preferred embodiment, in order to conveniently hold the steel pipe pile at multiple points at intervals, the front side of the mounting frame 1 is provided with an interval pile holding mechanism 7, the interval pile holding mechanism 7 comprises a second hydraulic telescopic cylinder 701, the second hydraulic telescopic cylinder 701 is fixedly arranged on the rear side of the mounting frame 1 through a support, the rear side of the upper pile holding cylinder 3 and the end of the extension end of the second hydraulic telescopic cylinder 701 are fixedly connected with an installation frame 702, a roller shaft 703 is rotationally arranged between the inner cavities of the installation frame 702, a push-pull plate 704 is rotationally connected between the two roller shafts 703, the push-pull plate 704 is symmetrically provided with two, and the two sides of the front side of the mounting frame 1 are provided with through grooves 19 matched with the push-pull plate 704.

[0037] As a preferred embodiment, in order to facilitate automatic centering adjustment of the steel pipe pile, the front side of the mounting frame 1 is provided with a control mechanism 8 matched with the quick adjustment mechanism 6, the control mechanism 8 includes a control rod 801 fixedly arranged at the bottom of the top arc-shaped toothed push plate 608, a control groove 802 matched with the control rod 801 is arranged at the top of the bottom arc-shaped toothed push plate 608, the front side of the mounting frame 1 is fixedly connected with a vertical column 803 through a support, a spiral groove 804 is arranged on the surface of the vertical column 803, a vertical groove 805 is arranged on the surface of the vertical column 803 and communicated with the spiral groove 804, a gear sleeve 806 is rotatably arranged on the surface of the upper pile holding cylinder 3 through a support and a bearing, a movable rod 807 matched with the vertical groove 805 and the spiral groove 804 is fixedly connected to the inner wall of the gear sleeve 806, a sliding sleeve 14 is rotatably arranged on the surface of the movable rod 807, and a first ball 15 is arranged at the end of the movable rod 807.

[0038] In use, the steel pipe pile is hoisted to the top of the upper pile holding cylinder 3 through hoisting arrangement and passes through the lower pile holding cylinder 2, at this time, the steel pipe pile is kept in suspended hoisting, after centering adjustment, the steel pipe pile is lowered to the actual construction site, and after the steel pipe pile contacts the ground, a field pile hammer is used to hammer downward on the top of the steel pipe pile;

[0039] After the steel pipe pile passes through the upper pile holding cylinder 3 and the lower pile holding cylinder 2 in suspension, the operator starts the second hydraulic telescopic cylinder 701, so that the rear mounting frame 702 and the roller shaft 703 carry the push-pull plate 704 to move forward, the push-pull plate 704 is gradually lifted by the pushing force, the push-pull plate 704 is lifted to lift the upper pile holding cylinder 3 on the surface of the steel pipe pile, and multi-point pile holding and centering limiting are performed;

[0040] The upper pile holding cylinder 3 lifts the top arc-shaped toothed push plate 608 and the gear sleeve 806, the gear sleeve 806 drives the movable rod 807 to enter the inside of the spiral groove 804 along the vertical groove 805 track, and the movable rod 807 is driven to rotate the gear sleeve 806 by extrusion matching with the spiral groove 804 spiral track, the gear sleeve 806 rotates and engages with the top arc-shaped toothed push plate 608, so that the arc-shaped toothed push plate 608 drives the ring plate 601 to rotate, and the top arc-shaped toothed push plate 608 synchronously drives the bottom arc-shaped toothed push plate 608 to rotate through the control rod 801 and the control groove 802;

[0041] The rotating of the ring plate 601 synchronously drives the rotating of the sliding block 603 and the centering pressing plate 604, and since the limiting rod 605 at the top of the centering pressing plate 604 is limited by the limiting slot 607, the centering pressing plate 604 synchronously slides on the top of the ring plate 601 when rotating with the ring plate 601, so as to make the space surrounded by the centering pressing plates 604 synchronously reduce, and the extrusion surfaces of the centering pressing plates 604 synchronously extrude the steel pipe pile, until the steel pipe pile is centered. After the steel pipe pile is centered, the first hydraulic telescopic cylinder 4 is started to make the first hydraulic telescopic cylinder 4 reinforce the steel pipe pile through the guide roller 5.

Claims

1. A pile holding device for sinking large-diameter steel pipe piles, comprising a mounting frame (1) and a lower pile holding cylinder (2), wherein the lower pile holding cylinder (2) is fixedly arranged on the front side of the mounting frame (1), and is characterized in that: An upper pile holding cylinder (3) is slidably provided on the front side of the mounting frame (1) and located on the top of the lower pile holding cylinder (2); the interiors of the lower pile holding cylinder (2) and the upper pile holding cylinder (3) are fixedly connected with a first hydraulic telescopic cylinder (4), and a plurality of first hydraulic telescopic cylinders (4) are equidistantly provided around; the end of the extended end of the first hydraulic telescopic cylinder (4) is rotatably provided with a guide roller (5) through a bracket; the interiors of the lower pile holding cylinder (2) and the upper pile holding cylinder (3) are both provided with a quick adjustment mechanism (6); the front side of the mounting frame (1) is provided with a spacing pile holding mechanism (7); the front side of the mounting frame (1) is provided with a centralized control mechanism (8) used in conjunction with the quick adjustment mechanism (6); The quick adjustment mechanism (6) comprises a ring plate (601), a polygonal slide groove (602) is provided on the top of the ring plate (601), a plurality of sliding blocks (603) are equidistantly connected to the interior of the polygonal slide groove (602), a center pressure plate (604) is fixedly connected to the top of the sliding block (603), a limit rod (605) is rotatably provided on the top of the center pressure plate (604), and a top plate (606) is fixedly connected to the inner walls of the lower pile-holding cylinder (2) and the upper pile-holding cylinder (3), and a plurality of limit notches (607) used in conjunction with the limit rod (605) are equidistantly provided on the top of the top plate (606).

2. A large-diameter steel pipe pile sinking device according to claim 1, characterized in that: Two ring plates (601) are provided, and both ring plates (601) are rotatably arranged inside the lower pile-holding cylinder (2) and the upper pile-holding cylinder (3) respectively through bearings. The surface of the ring plate (601) is fixedly connected with an arc-shaped toothed edge push plate (608).

3. The large-diameter steel pipe pile sinking device according to claim 1, characterized in that: The spacing pile-holding mechanism (7) comprises a second hydraulic telescopic cylinder (701), which is fixedly arranged on the rear side of the mounting frame (1) via a bracket, and the end of the extended end of the second hydraulic telescopic cylinder (701) and the rear side of the upper pile-holding cylinder (3) are fixedly connected to a mounting frame (702), and a roller (703) is rotatably arranged between two sides of the inner cavity of the mounting frame (702), and a push-pull plate (704) is rotatably connected between the two rollers (703), and two push-pull plates (704) are symmetrically arranged.

4. The large-diameter steel pipe pile sinking device according to claim 2, characterized in that: The centralized control mechanism (8) includes a centralized control rod (801), which is fixedly arranged at the bottom of the top arc-shaped toothed push plate (608), and a centralized control groove (802) that is slidably matched with the centralized control rod (801) is provided at the top of the arc-shaped toothed push plate (608) at the bottom. The front side of the mounting frame (1) is fixedly connected to a column (803) through a bracket, and a spiral groove (804) is provided on the surface of the column (803). A vertical groove (805) connected to the spiral groove (804) is provided on the surface of the column (803). A gear sleeve (806) is rotatably provided on the surface of the upper pile-holding cylinder (3) through a bracket and a bearing, and a movable rod (807) used in conjunction with the vertical groove (805) and the spiral groove (804) is fixedly connected to the inner wall of the gear sleeve (806).

5. The large-diameter steel pipe pile sinking device according to claim 2, characterized in that: A receiving groove (9) is provided inside the center pressure plate (604) at the top, a pressure strip (10) is slidably connected inside the receiving groove (9), a spring (11) is fixedly connected between the pressure strip (10) and the receiving groove (9), a button (12) is installed on the inner wall of the receiving groove (9), and a plurality of warning lights (13) used in conjunction with the button (12) are equidistantly installed around the top of the upper pile-holding tube (3).

6. The large-diameter steel pipe pile sinking device according to claim 3, characterized in that: A sliding sleeve (14) is rotatably provided on the surface of the movable rod (807), and a first ball (15) is provided at the end of the movable rod (807).

7. The large-diameter steel pipe pile sinking device according to claim 2, characterized in that: The extrusion surface of the central pressure plate (604) is provided with a plurality of second rolling balls (16).

8. The large-diameter steel pipe pile sinking device according to claim 1, characterized in that: A limiting slide groove (17) is provided on the front side of the mounting frame (1), the interior of the limiting slide groove (17) is slidably connected to a limiting slider (18), and the front side of the limiting slider (18) is fixedly connected to the rear side of the upper pile-holding cylinder (3).

9. The large-diameter steel pipe pile sinking device according to claim 3, characterized in that: Both sides of the front side of the mounting frame (1) are provided with through slots (19) matched with the push-pull plates (704).

10. The large-diameter steel pipe pile sinking device according to claim 1, characterized in that: A mounting hole (20) is provided at the top of the bent portion of the mounting frame (1), and a plurality of mounting holes (20) are provided at equal intervals.

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