A static pile driver for pipe jacking engineering

Abstract

The utility model discloses a static pile driver for pipe jacking engineering, including a support seat and a guide rail; a support frame is arranged at the top of the support seat, first cylinders are arranged on both sides of the top of the support frame, a connecting plate is arranged at the bottom of the first cylinder, and a second cylinder is arranged at the bottom of the connecting plate; a pressing plate is arranged at the bottom of the second cylinder, guide rails are arranged inside the four corners of the support frame, a clamping and limiting structure is arranged inside the top of the support seat, and an auxiliary structure is arranged at the bottom of the support seat. The utility model can drive two sets of clamping and limiting plates to move to the middle position through the coordinated use of a servo motor, a bidirectional threaded rod and a screw sleeve, so as to clamp and limit the ground pile against the outer side of the ground pile, so that the ground pile is not easy to be offset when moving downward, and because a movable bead is arranged on one side of the clamping and limiting plate, it does not affect the movement of the ground pile when clamping and limiting the ground pile, thereby completing the clamping and limiting work.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe jacking engineering, in particular to a static pile driver for pipe jacking engineering. Background Art

[0002] Pipe jacking is an important sub-subject of trenchless engineering. It is a pipeline burial construction technology with no excavation or less excavation. Pipe jacking is a construction process that uses auxiliary equipment to pass pipelines through roads, railways, rivers, ground buildings, etc. without excavating the ground to achieve pipeline laying. Before carrying out pipe jacking, if the foundation conditions are poor, foundation reinforcement is required to improve the bearing capacity. When reinforcing the foundation, it is necessary to drive the ground piles into the foundation for processing. When driving the piles, a static pile driver is needed. However, there are still some problems with the use of traditional static pile drivers.

[0003] When using a traditional static pile driver, a hydraulic cylinder is required to drive the piles into the foundation. However, it is inconvenient for the traditional static pile driver to clamp and limit the piles during pile driving, which makes it easy for the pile driver to shift its position during pile driving, thus affecting the pile driving effect. Therefore, a static pile driver for pipe jacking engineering is needed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a static pile driver for pipe jacking engineering, so as to solve the defect that the existing static pile driver for pipe jacking engineering is inconvenient to clamp and limit the ground piles during piling.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a static pile driver for pipe jacking engineering, comprising a support seat and a guide rail; a support frame is provided at the top of the support seat, a first cylinder is provided on both sides of the top of the support frame, a connecting plate is provided at the bottom end of the first cylinder, and a second cylinder is provided at the bottom end of the connecting plate; a pressure plate is provided at the bottom end of the second cylinder, guide rails are provided at the four corners of the support frame, a clamping and limiting structure is provided inside the top of the support seat, and an auxiliary structure is provided at the bottom end of the support seat; the clamping and limiting structure comprises a servo motor, a connecting frame, a clamping and limiting plate, a bidirectional threaded rod and a screw sleeve, and the bidirectional threaded rod is provided inside the top of the support seat.

[0006] Preferably, a servo motor is provided on one side of the bidirectional threaded rod, a screw sleeve is provided on the outer side of the bidirectional threaded rod, a connecting frame is provided on the top end of the screw sleeve, and a clamping limit plate is provided on one side of the connecting frame.

[0007] Preferably, two groups of the clamping and limiting plates are provided, and the two groups of the clamping and limiting plates are symmetrically distributed on the top end of the support seat.

[0008] Preferably, the screw sleeve is sleeved on the outer side of the bidirectional threaded rod, and a threaded connection is formed between the screw sleeve and the bidirectional threaded rod.

[0009] Preferably, the auxiliary structure includes a connecting block, a rotating rod, a base, an insertion rod, a fixed plate, a movable column, a universal wheel and a limit block. The base is arranged at the bottom end of the support seat, a movable column is arranged inside the base, a universal wheel is arranged at the bottom end of the movable column, a limit block is arranged on one side of the movable column, a fixed plate is fixed to one side of the limit block, the connecting block is arranged on one side of the support seat, a rotating rod is arranged inside the connecting block, and the bottom end of the rotating rod is movably connected to the top end of the fixed plate.

[0010] Preferably, the inner diameter of the base is larger than the outer diameter of the movable column, and a sliding connection is formed between the base and the movable column.

[0011] Preferably, the rotating rod is inserted into the interior of the connecting block, and a threaded connection is formed between the rotating rod and the connecting block.

[0012] The utility model provides a static pile driver for pipe jacking engineering, which has the following advantages:

[0013] Through the coordinated use of the servo motor, the bidirectional threaded rod and the screw sleeve, the two sets of clamping limit plates can be driven to move to the middle position, thereby pressing against the outer side of the ground pile to clamp and limit the ground pile, so that the ground pile is not easily shifted when moving downward. Because a movable bead is provided on one side of the clamping limit plate, it does not affect the movement of the ground pile when clamping and limiting the ground pile, thereby completing the clamping and limiting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model in a front view;

[0017] Figure 4 This is a schematic diagram of the auxiliary structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the auxiliary knot structure of the utility model when viewed from above;

[0019] Figure 6 It is a schematic diagram of the side cross-sectional structure of the auxiliary structure of the utility model;

[0020] Figure 7 For the utility model Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] In the figure: 1. support seat; 2. support frame; 3. auxiliary structure; 301. connecting block; 302. rotating rod; 303. base; 304. plug rod; 305. fixing plate; 306. movable column; 307. universal wheel; 308. limit block; 4. guide rail; 5. connecting plate; 6. first cylinder; 7. second cylinder; 8. pressure plate; 9. clamping and limiting structure; 901. servo motor; 902. connecting frame; 903. clamping and limiting plate; 904. bidirectional threaded rod; 905. screw sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a static pile driver for pipe jacking engineering. Figure 1-Figure 7 As shown, a static pile driver for pipe jacking engineering comprises a support base 1 and a guide rail 4; a support frame 2 is arranged at the top of the support base 1, first cylinders 6 are arranged on both sides of the top of the support frame 2, a connecting plate 5 is arranged at the bottom end of the first cylinder 6, and a second cylinder 7 is arranged at the bottom end of the connecting plate 5; a pressing plate 8 is arranged at the bottom end of the second cylinder 7, guide rails 4 are opened inside the four corners of the support frame 2, a clamping and limiting structure 9 is arranged inside the top of the support base 1, and an auxiliary structure 3 is arranged at the bottom end of the support base 1.

[0024] In a further preferred embodiment of the present invention, Figure 1-Figure 7 As shown: the auxiliary structure 3 includes a connecting block 301, a rotating rod 302, a base 303, an insert rod 304, a fixed plate 305, a movable column 306, a universal wheel 307 and a limit block 308. The base 303 is arranged at the bottom end of the support seat 1, and a movable column 306 is arranged inside the base 303, and a universal wheel 307 is arranged at the bottom end of the movable column 306. A limit block 308 is arranged on one side of the movable column 306, and a fixed plate 305 is fixed on one side of the limit block 308. The connecting block 301 is arranged on one side of the support seat 1, and a rotating rod 302 is arranged inside the connecting block 301. The bottom end of the rotating rod 302 is movably connected to the top end of the fixed plate 305. The inner diameter of the base 303 is larger than the outer diameter of the movable column 306. A sliding connection is formed between the base 303 and the movable column 306. The rotating rod 302 is inserted into the interior of the connecting block 301, and a threaded connection is formed between the rotating rod 302 and the connecting block 301.

[0025] Specifically, in this embodiment: when driving piles, the support seat 1 is moved to the position where the piles need to be driven, and then the rotating rod 302 is rotated. As the rotating rod 302 cooperates with the connecting block 301, the fixing plate 305 is driven to move upward. When the fixing plate 305 moves upward, it will drive the movable column 306 to move upward through the limit block 308, thereby retracting the universal wheel 307 into the interior of the base 303. As the universal wheel 307 is gradually retracted into the interior of the base 303, the bottom end of the base 303 is brought into contact with the foundation, increasing the friction between the base 303 and the ground, and when the base 303 descends, it will drive the insertion rod 304 to be inserted into the foundation, further fixing the base 303, so that the support seat 1 is not easily offset when placed during work, thereby completing the stability work.

[0026] In a further preferred embodiment of the present invention, Figure 1-Figure 7 As shown: the clamping and limiting structure 9 includes a servo motor 901, a connecting frame 902, a clamping and limiting plate 903, a bidirectional threaded rod 904 and a screw sleeve 905. The bidirectional threaded rod 904 is arranged inside the top of the support seat 1, and the servo motor 901 is arranged on one side of the bidirectional threaded rod 904, and the screw sleeve 905 is arranged on the outer side of the bidirectional threaded rod 904. The top of the screw sleeve 905 is provided with a connecting frame 902, and one side of the connecting frame 902 is provided with a clamping and limiting plate 903. Two groups of clamping and limiting plates 903 are provided, and the two groups of clamping and limiting plates 903 are symmetrically distributed at the top of the support seat 1. The screw sleeve 905 is sleeved on the outer side of the bidirectional threaded rod 904, and a threaded connection is formed between the screw sleeve 905 and the bidirectional threaded rod 904.

[0027] Specifically, in the present embodiment, after the support seat 1 is installed, the ground pile is inserted into the through hole in the middle of the support seat 1, and then the servo motor 901 is started. After starting, the servo motor 901 will drive the bidirectional threaded rod 904 to rotate, and the rotating bidirectional threaded rod 904 will drive the two sets of connecting frames 902 to move to the middle position through the cooperation with the threaded sleeve 905, so that the clamping limit plate 903 is against the outside of the ground pile, thereby clamping and limiting the ground pile, so that it is not easy to have position deviation during piling. After the clamping and limiting is completed, the second cylinder 7 is started to push the pressing plate 8 to squeeze the ground pile downward. When the second cylinder 7 reaches the maximum distance, the first cylinder 6 is started again to squeeze the second cylinder 7 downward through the connecting plate 5, and the ground pile is indirectly squeezed again, so that it is driven into the foundation, thereby completing the static pile pressing work of the ground pile.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A static pile driver for pipe jacking engineering, comprising a support base (1) and a guide rail (4); Features: A support frame (2) is arranged at the top of the support seat (1), a first cylinder (6) is arranged on both sides of the top of the support frame (2), a connecting plate (5) is arranged at the bottom of the first cylinder (6), and a second cylinder (7) is arranged at the bottom of the connecting plate (5); A pressure plate (8) is provided at the bottom end of the second cylinder (7), guide rails (4) are provided inside the four corners of the support frame (2), a clamping and limiting structure (9) is provided inside the top end of the support seat (1), and an auxiliary structure (3) is provided at the bottom end of the support seat (1); The clamping and limiting structure (9) comprises a servo motor (901), a connecting frame (902), a clamping and limiting plate (903), a bidirectional threaded rod (904) and a threaded sleeve (905), wherein the bidirectional threaded rod (904) is arranged inside the top end of the support seat (1).

2. A static pile driver for pipe jacking engineering according to claim 1, characterized in that: A servo motor (901) is provided on one side of the bidirectional threaded rod (904), a threaded sleeve (905) is provided on the outer side of the bidirectional threaded rod (904), a connecting frame (902) is provided on the top end of the threaded sleeve (905), and a clamping limit plate (903) is provided on one side of the connecting frame (902).

3. A static pile driver for pipe jacking engineering according to claim 2, characterized in that: Two groups of the clamping and limiting plates (903) are provided, and the two groups of the clamping and limiting plates (903) are symmetrically distributed on the top end of the support seat (1).

4. The static pile driver for pipe jacking engineering according to claim 1, characterized in that: The screw sleeve (905) is sleeved on the outer side of the bidirectional threaded rod (904), and a threaded connection is formed between the screw sleeve (905) and the bidirectional threaded rod (904).

5. A static pile driver for pipe jacking engineering according to claim 4, characterized in that: The auxiliary structure (3) comprises a connecting block (301), a rotating rod (302), a base (303), an inserting rod (304), a fixing plate (305), a movable column (306), a universal wheel (307) and a limiting block (308); the base (303) is arranged at the bottom end of the support seat (1); a movable column (306) is arranged inside the base (303); a universal wheel (307) is arranged at the bottom end of the movable column (306); a limiting block (308) is arranged on one side of the movable column (306); a fixing plate (305) is fixed on one side of the limiting block (308); the connecting block (301) is arranged on one side of the support seat (1); a rotating rod (302) is arranged inside the connecting block (301); and the bottom end of the rotating rod (302) is movably connected to the top end of the fixing plate (305).

6. A static pile driver for pipe jacking engineering according to claim 5, characterized in that: The inner diameter of the base (303) is greater than the outer diameter of the movable column (306), and a sliding connection is formed between the base (303) and the movable column (306).

7. The static pile driver for pipe jacking engineering according to claim 5, characterized in that: The rotating rod (302) is inserted into the interior of the connecting block (301), and a threaded connection is formed between the rotating rod (302) and the connecting block (301).

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