Pile driver for water conservancy construction

By using a two-point rolling clamping guide assembly and a four-point limiting structure, the problem of pile tilting was solved, enabling vertical pile driving and adaptation to various shapes, thus improving the applicability and accuracy of the pile driver.

CN224092492UActive Publication Date: 2026-04-07SHANDONG PUJI CONSTR GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-10
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing pile drivers cannot effectively prevent piles from tilting during the pile driving process, and cannot adapt to piles of different shapes and aspect ratios.

Method used

The guide assembly uses a two-point rolling clamping mechanism and a four-point limiting structure to ensure the verticality of the pile column. It is suitable for both square and round pile columns, and can adapt to square pile columns with different length-to-width ratios through independent front-to-back and side-by-side control.

Benefits of technology

It enables piles to remain vertical during piling, expands its application range, adapts to various pile shapes and sizes, and improves the accuracy and efficiency of piling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of water conservancy construction, and discloses a pile driver for water conservancy construction, which comprises a hammering device for hammering the top of a pile downwards, and a lifting device for lifting a hammer body upwards is arranged at the top of the hammering device. The two guide assemblies are symmetrically arranged at the bottom of the hammering device up and down and are used for clamping the pile in an up-down rolling manner for guiding; the guide assembly comprises a fixing ring, four limiting structures are slidably mounted in the fixing ring, and two gear rings are symmetrically arranged on the upper sides and the lower sides of the four limiting structures. According to the pile driver for water conservancy construction, the pile is clamped in an upper-position rolling mode and a lower-position rolling mode, the pile is limited from the upper point and the lower point, the pile is kept vertical in the pile driving process, and inclination of the pile is fundamentally avoided; and through the arrangement of four-point rolling clamping, the positions of the piles are adjusted from the four faces, meanwhile, the use requirements of the square piles and the circular piles are met, and the use range is widened.
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Description

Technical Field

[0001] This utility model belongs to the field of water conservancy construction, and in particular relates to a pile driver for water conservancy construction. Background Technology

[0002] Water conservancy construction in my country has played a significant role in addressing the challenges of agricultural and industrial development. Only by strengthening engineering design, construction management, analyzing problems, and developing solutions during the process can the effectiveness of water conservancy projects be maximized. Water conservancy structures are built on the ground, which must withstand considerable pressure. This requires ensuring sufficient ground strength to resist this pressure. Typically, piles are driven into the foundation to reinforce the ground supporting the structure, allowing most of the weight to be transferred deep underground. The pile driving process necessitates the use of pile drivers.

[0003] Comparing with Chinese Patent No. CN221702402U, a foundation piling machine for building construction is disclosed, including a piling machine body. A length measuring mechanism is provided on one side of the piling machine body. The length measuring mechanism includes a fixed plate, an extension plate, a sliding support plate, a winding rod, a measuring tape, and a first transmission wheel. The extension plate is fixedly connected to the top of the fixed plate, and the sliding support plate is slidably connected to the top of the extension plate. A connecting rod is fixedly connected to the inner side of the sliding support plate. A winding rod is rotatably connected to one side of the connecting rod. A measuring tape is wound around the middle of the winding rod. A limiting rod is rotatably connected to the middle of the winding rod. A first transmission wheel is rotatably connected to one end of the limiting rod. A second transmission wheel is provided on one side of the first transmission wheel. A limiting arc plate is fixedly connected to the other side of the connecting rod, and a transmission rod is rotatably connected to the inner side of the limiting arc plate.

[0004] The aforementioned patent detects whether the pile is tilted during the piling process, and adjusts it to ensure the pile is driven vertically into the ground if it is tilted. However, this method cannot fundamentally prevent the pile from tilting. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of this utility model is to provide a pile driver for water conservancy construction to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A pile driver for hydraulic construction includes a hammering device for hammering the top of a pile column downwards, a lifting device for lifting the hammer body upwards installed on the top of the hammering device, and two guide components symmetrically arranged at the bottom of the hammering device for guiding the pile column to be rolled and clamped from the upper and lower positions.

[0008] The guide assembly includes a fixed ring, and four limiting structures are slidably installed inside the fixed ring. Two toothed rings are symmetrically arranged on the upper and lower sides of the four limiting structures. The two toothed rings have spiral teeth on their opposite surfaces, and a driving structure is engaged on one side of each toothed ring.

[0009] Furthermore: the hammering device includes a support frame, a slide rail is mounted on the support frame, a first slider is slidably mounted in front of the slide rail, a pile hammer is mounted in front of the first slider, a second slider is provided below the first slider, and a hammering sleeve is mounted in front of the second slider.

[0010] Furthermore: the lifting device includes a winch, and two guide wheels are symmetrically arranged on the front and back of the winch, and two support plates are symmetrically arranged on both sides between the two guide wheels.

[0011] Furthermore: the limiting structure includes a fixing clamp, a guide roller is rotatably installed inside the fixing clamp, an arc-shaped groove is provided in the middle of the roller surface of the guide roller, a spiral rack is provided on the side of the fixing clamp away from the guide roller, and two limiting rods are symmetrically arranged on both sides of the spiral rack.

[0012] Furthermore, the drive structure includes a motor, and a gear is mounted on the output end of the motor.

[0013] Furthermore: the upper toothed ring meshes with the two front and rear spiral toothed racks, and the lower toothed ring meshes with the two spiral toothed racks on both sides.

[0014] Compared with existing technologies, the beneficial effects are:

[0015] 1. By using the upper and lower two-position rolling clamping mechanism to limit the pile from both the top and bottom, the pile is kept vertical during pile driving, thus fundamentally preventing the pile from tilting.

[0016] 2. The four-point rolling clamping mechanism allows for positioning of the pile from four sides, accommodating both square and round piles and expanding its application range.

[0017] 3. With separate controls for the front, rear, and sides, it adapts to square piles with different aspect ratios, further expanding its application range. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of a pile driver for water conservancy construction according to the present invention;

[0019] Figure 2 This is a right view of the hammering device of a pile driver for water conservancy construction as described in this utility model;

[0020] Figure 3This is a right view of the lifting device of a pile driver for water conservancy construction as described in this utility model;

[0021] Figure 4 This is a schematic diagram of the guide component of a pile driver for water conservancy construction according to the present invention.

[0022] In the attached drawings, the following are the reference numerals: 101, support frame; 102, slide rail; 103, first slider; 104, pile hammer; 105, second slider; 106, hammer sleeve; 201, winch; 202, guide wheel; 203, support plate; 301, fixing ring; 302, spiral rack; 303, limiting rod; 304, fixing clamp; 305, guide roller; 306, arc groove; 307, gear ring; 308, spiral tooth; 309, gear; 310, motor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 A pile driver for hydraulic construction includes a hammering device for hammering the top of a pile downwards, a lifting device for lifting the hammer body upwards installed on the top of the hammering device, and two guide components symmetrically arranged at the bottom of the hammering device for guiding the pile to be rolled and clamped from the upper and lower positions.

[0025] In this embodiment: the hammering device includes a support frame 101, a slide rail 102 is mounted on the support frame 101, a first slider 103 is slidably mounted in front of the slide rail 102, a pile hammer 104 is mounted in front of the first slider 103, a second slider 105 is provided below the first slider 103, and a hammering sleeve 106 is mounted in front of the second slider 105. The support frame 101 supports the lifting device to lift the pile hammer 104 upward to a certain height and then releases it, so that the pile hammer 104 strikes the hammering sleeve 106 downward, hammering the pile into the ground. During this process, the first slider 103 and the second slider 105 both move along the slide rail 102, providing guidance for the pile hammer 104 and the hammering sleeve 106 respectively.

[0026] In this embodiment: the lifting device includes a winch 201, two guide wheels 202 are symmetrically arranged on the front and back of the winch 201, and two support plates 203 are symmetrically arranged on both sides between the two guide wheels 202. Under the guidance of the two guide wheels 202 on the support plates 203, the winch 201 lifts the pile hammer 104 upward to a certain height and then releases it.

[0027] In this embodiment: the guide assembly includes a fixed ring 301, within which four limiting structures are slidably installed. Two toothed rings 307 are symmetrically arranged on the upper and lower sides of the four limiting structures. The opposing surfaces of the two toothed rings 307 are provided with spiral teeth 308. A drive structure is engaged on one side of each toothed ring 307. The limiting structure includes a fixed clamp 304, within which a guide roller 305 is rotatably installed. An arc-shaped groove 306 is provided in the middle of the roller surface of the guide roller 305. A spiral rack 302 is provided on the side of the fixed clamp 304 away from the guide roller 305. Two limiting rods 303 are symmetrically arranged on both sides of the spiral rack 302. The drive structure includes a motor 310, with a gear 309 installed at the output end of the motor 310. The upper toothed ring 307 meshes with the two spiral racks 302 at the front and rear, while the lower... The square toothed ring 307 meshes with the two spiral racks 302 on both sides. The upper motor 310 drives the gear 309 to rotate the upper toothed ring 307. The spiral teeth 308 on the toothed ring 307 mesh with the spiral racks 302 to push the two fixed clamps 304 at the front and rear, which in turn drive the guide rollers 305 to clamp the pile from the front and rear sides under the guidance of the limiting rod 303. At the same time, the lower motor 310 drives the gear 309 to rotate the lower toothed ring 307, which in turn drives the two fixed clamps 304 on both sides through the spiral racks 302, which in turn drive the guide rollers 305 to clamp the pile from both sides under the guidance of the limiting rod 303. Finally, the pile is clamped from all four sides. At this time, the two guiding components limit the pile from the upper and lower positions, thereby fixing the direction of the pile and keeping it vertical.

[0028] Working principle: In use, the hammer sleeve 106 is placed on top of the pile, and the bottom of the pile passes through two fixing rings 301. Then, the motor 310 above the two guide components drives the gear 309 to mesh, causing the upper gear ring 307 to rotate. The spiral teeth 308 on the gear ring 307 mesh with the spiral rack 302, pushing the two fixing clamps 304 at the front and rear, and driving the guide rollers 305 to clamp the pile from the front and rear sides under the guidance of the limiting rod 303. At the same time, the motor 310 below drives the gear 309 to mesh, causing the lower gear ring 307 to rotate. This causes the spiral rack 302 to push the two fixing clamps 304 on both sides, and driving the guide rollers 305 to clamp the pile from both sides under the guidance of the limiting rod 303. Finally, the pile is clamped from all four sides. At this time, the two guide components limit the pile from the top and bottom positions, thereby fixing the direction of the pile and keeping it vertical. Then the support frame 1 01 The winch 201, guided by two guide wheels 202 on the support plate 203, lifts the pile hammer 104 to a certain height and then releases it, causing the pile hammer 104 to strike the hammer sleeve 106 downwards. The pile is driven into the ground by the rolling guidance of the guide roller 305. During this process, the first slider 103 and the second slider 105 move along the slide rail 102 to provide guidance for the pile hammer 104 and the hammer sleeve 106. The guide roller 305 has an arc-shaped groove 306 on its surface. When clamping a round pile, the surface of the arc-shaped groove 306 contacts the surface of the pile. When clamping a square pile, the roller surfaces on both sides of the arc-shaped groove 306 contact the surface of the pile, thus adapting to piles of different shapes and expanding the range of applications. At the same time, the two guide rollers 305 at the front and rear and the two guide rollers 305 on both sides of this device are controlled separately, thus adapting to square piles with different aspect ratios and further expanding the range of applications.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pile driver for hydraulic construction, comprising a hammering device for downwardly hammering the top of a pile column, wherein a lifting device for upwardly lifting the hammer body is installed on the top of the hammering device, characterized in that: It also includes two guide components symmetrically arranged at the bottom of the hammering device for guiding the pile to be rolled and clamped from the upper and lower positions; The guide assembly includes a fixed ring (301), and four limiting structures are slidably installed inside the fixed ring (301). Two toothed rings (307) are symmetrically arranged on the upper and lower sides of the four limiting structures. The two toothed rings (307) are provided with spiral teeth (308) on their opposite surfaces. A driving structure is engaged on one side of the toothed rings (307).

2. The pile driver for water conservancy construction according to claim 1, characterized in that: The hammering device includes a support frame (101), on which a slide rail (102) is mounted. A first slider (103) is slidably mounted in front of the slide rail (102). A pile hammer (104) is mounted in front of the first slider (103). A second slider (105) is provided below the first slider (103). A hammering sleeve (106) is mounted in front of the second slider (105).

3. A pile driver for water conservancy construction according to claim 1, characterized in that: The lifting device includes a winch (201), and two guide wheels (202) are symmetrically arranged on the front and back of the winch (201). Two support plates (203) are symmetrically arranged on both sides between the two guide wheels (202).

4. A pile driver for water conservancy construction according to claim 1, characterized in that: The limiting structure includes a fixing clamp (304), a guide roller (305) is rotatably installed inside the fixing clamp (304), an arc-shaped groove (306) is provided in the middle of the roller surface of the guide roller (305), a spiral rack (302) is provided on the side of the fixing clamp (304) away from the guide roller (305), and two limiting rods (303) are symmetrically arranged on both sides of the spiral rack (302).

5. A pile driver for water conservancy construction according to claim 1, characterized in that: The drive structure includes a motor (310), and a gear (309) is installed at the output end of the motor (310).

6. A pile driver for water conservancy construction according to claim 4, characterized in that: The upper toothed ring (307) meshes with the front and rear spiral toothed racks (302), and the lower toothed ring (307) meshes with the two spiral toothed racks (302) on both sides.

Citation Information

Patent Citations

  • Foundation pile driver for building construction

    CN221702402U