Pile driver with positioning function

By introducing a locking mechanism and a hydraulic telescopic rod guide system into the pile driver, the problem of unstable positioning device was solved, enabling precise positioning and stable pile driving of pipe piles, thus improving construction efficiency and accuracy.

CN223907491UActive Publication Date: 2026-02-13湖南两岸建筑工程有限公司
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Patent Information

Application Number
CN202520479989.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-13
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

The positioning devices of existing pile drivers are not very stable under the influence of factors such as vibration, which can easily lead to displacement of the pipe pile position, affecting the quality of the building foundation and construction efficiency.

Method used

A locking mechanism is adopted, including a limiting rack plate, a sliding column, and a pawl. The engagement of the pawl with the limiting rack plate ensures the positional stability of the adjusting block. The precise positioning and stable driving of the pipe pile are achieved through the cooperation of the hydraulic telescopic rod and the guide rail.

Benefits of technology

This effectively prevents the pipe piles from shifting position, improves construction efficiency and pile driving accuracy, and ensures the long-term stability of pipe pile positioning.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The pile driver with the positioning function comprises a frame, an installation bin is arranged at the lower end of the front side of the frame, an adjusting block is connected into the installation bin in a sliding mode, a positioning ring is arranged at the front end of the adjusting block, a pipe pile is installed in the positioning ring in a matched mode, an adjustable pile hammer is arranged at the front end of the frame, and the pile hammer is located on the upper side of the pipe pile. The device further comprises a locking mechanism. The locking mechanism comprises a limiting rack plate, sliding columns and pawls, the adjustable sliding columns are symmetrically distributed in the mounting bin, the pawls are rotationally connected to the opposite inner side ends of the two sliding columns, the limiting rack plate is arranged on the upper side face of the adjusting block, and the pawls and the limiting rack plate are installed in a matched mode. According to the pile driver with the positioning function, the situation that the position of a tubular pile deviates due to accidental movement of the positioning device is effectively avoided, the long-term stability of tubular pile positioning is ensured, and the construction efficiency and the pile driving accuracy are greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, concretely to a pile driver with positioning function. BACKGROUND

[0002] In the field of building engineering, piling operation is a key link of foundation construction, and its construction quality and efficiency directly affect the stability and safety of the whole building. With the acceleration of urbanization process, various building projects are emerging, and the requirements for piling technology and equipment are also increasing. Precise positioning of pipe piles and efficient completion of piling operation have become important goals pursued by the industry.

[0003] In the prior art, a patent with authorization publication number CN 214061608 U discloses a building construction pile driver with auxiliary positioning function, which comprises a pile driver body, a tower and guide rails. A vertical tower is arranged on the pile driver body, two guide rails parallel to the tower are fixedly installed on the tower, a pile hammer is arranged above the tower, a limiting shell is fixedly installed at the bottom of the tower, the limiting shell is composed of two cylinders with different diameters and has an inverted " convex" shape. Under the action of the steel cable on the pile driver body and the winch, the pile hammer moves in the vertical direction along the guide rails. The pile hammer is slidingly installed with the guide rails. A rack groove is fixedly installed at the inner bottom of the larger-diameter cylinder of the limiting shell. A rack is installed in the rack groove. The rack and the rack groove are slidingly installed. The rack is engaged with a gear. The gear is fixedly installed on a rotating shaft. A bearing is installed on the inner wall of the limiting shell. The rotating shaft is rotatably installed at one end of the bearing and fixedly installed at the other end with a hand wheel. The hand wheel is installed at the top end of the rotating shaft.

[0004] There are some problems in the above-mentioned scheme. In the piling process, due to the influence of vibration and other factors, the stability of the positioning device is poor, and positioning deviation is easy to occur, which leads to inaccurate position of the pile body and affects the quality of the building foundation. Therefore, we propose a pile driver with positioning function. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a pile driver with positioning function, which effectively avoids the displacement of the pipe pile caused by accidental movement of the positioning device, ensures the long-term stability of the pipe pile positioning, greatly improves the construction efficiency and the accuracy of piling, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pile driver with positioning function, comprising a frame, a mounting bin is arranged at the front lower end of the frame, an adjusting block is slidingly connected in the mounting bin, a positioning ring is arranged at the front end of the adjusting block, a pipe pile is fitted and installed in the positioning ring, an adjustable pile hammer is arranged at the front end of the frame, the pile hammer is located at the upper side of the pipe pile, and a locking mechanism is further included.

[0007] The locking mechanism comprises a limiting rack plate, a sliding column and a pawl, the inside of the mounting bin is symmetrically provided with adjustable sliding columns, the opposite inner side ends of the two sliding columns are rotationally connected with pawls, the upper side of the adjusting block is provided with a limiting rack plate, the pawls are all matched with the limiting rack plate, the unexpected movement of the positioning device is effectively avoided to cause the position deviation of the pipe pile, the long-term stability of the pipe pile positioning is ensured, and the construction efficiency and the precision of pile driving are greatly improved.

[0008] Further, the locking mechanism further comprises a torsion spring, a spring and an adjusting frame, the front end left and right side walls of the mounting bin are both provided with a sliding hole, the inside of the sliding hole is slidably connected with a sliding column, the middle part of the sliding column is provided with an adjusting frame, the inner side surface of the adjusting frame and the inner side adjacent pawl are both provided with a torsion spring, the outer side surface of the adjusting frame and the adjacent inner wall of the mounting bin are both provided with a spring for resetting.

[0009] Further, the locking mechanism further comprises a pulling groove, a connecting rod and a pulling column, the upper side surface of the adjusting frame is provided with a pulling groove, the top wall of the mounting bin is rotationally connected with a connecting rod through a rotating shaft, the lower side surface of the connecting rod is provided with symmetrically distributed pulling columns, the lower ends of the pulling columns are all located in the inside of the lower side adjacent pulling groove, so that the pawl is not limited by the position of the limiting rack plate.

[0010] Further, the bottom wall of the mounting bin is provided with a rack plate sliding rail, the inside of the rack plate sliding rail is slidably connected with a rack plate, the front side surface of the rack plate is fixedly connected with the rear side surface of the adjusting block, the left and right inner walls of the mounting bin are rotationally connected with a gear through a rotating shaft, the gear is meshingly connected with the rack plate, and the position of the adjusting block is adjusted.

[0011] Further, the bottom wall left side of the mounting bin is provided with a friction frame, the arc-shaped inner wall of the upper end right side of the friction frame is in contact with the front end outer arc surface of the rotating shaft, the upper end left side wall of the friction frame is threadedly connected with a jacking bolt, the jacking bolt is matched with the rotating shaft and is installed, and the rotating shaft is conveniently clamped.

[0012] Further, the front side surface of the frame is provided with a guide rail, the inside of the guide rail is slidably connected with a pile hammer, and the pile hammer is used for pile driving.

[0013] Further, the front end upper side surface of the frame is provided with a hydraulic telescopic rod, the telescopic end of the hydraulic telescopic rod penetrates through the front end of the frame and is fixedly connected with the upper side surface of the pile hammer, the oil inlet of the hydraulic telescopic rod is connected with the oil outlet of the external hydraulic oil cylinder, and the hydraulic telescopic rod is used for pile driving.

[0014] Compared with the prior art, the pile driver with the positioning function has the following advantages:

[0015] When the adjusting block position needs to be adjusted, the connecting rod installed on the top wall of the installation bin is rotated, the shifting column on the connecting rod drives the adjusting frame to move outward against the spring force, the pawl is disengaged from the meshing with the limiting rack plate, the position of the adjusting block can be freely adjusted, the operation is simple and convenient, after the adjustment is completed, the connecting rod is loosened, the spring pushes the adjusting frame to reset, the pawl is re-engaged with the limiting rack plate, this locking mode can not only lock the position of the adjusting block firmly, but also the pawl and the limiting rack plate are not easy to disengage even if a larger vibration or external force interference is received in the piling process, the position deviation of the pipe pile caused by the accidental movement of the adjusting block is effectively avoided, the long-term stability of the pipe pile positioning is ensured, and the construction efficiency and the precision of piling are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the left side 45 degrees of the utility model;

[0017] Figure 2 It is a structure schematic view of the local installation bin of the utility model;

[0018] Figure 3 It is a structure schematic view of the top section of the installation bin of the utility model;

[0019] Figure 4 It is a structure schematic view of the enlarged A place of the utility model;

[0020] Figure 5 It is a structure schematic view of the left side section of the installation bin of the utility model.

[0021] In the drawing: 1 frame, 2 locking mechanism, 21 limiting rack plate, 22 sliding column, 23 pawl, 24 torsional spring, 25 spring, 26 adjusting frame, 27 shifting groove, 28 connecting rod, 29 shifting column, 3 guide rail, 4 pile hammer, 5 hydraulic telescopic rod, 6 installation bin, 7 adjusting block, 8 positioning ring, 9 rack plate, 10 gear, 11 rack plate sliding rail, 12 rotating shaft, 13 pipe pile, 14 rotating shaft, 15 friction frame, 16 jacking bolt, 17 sliding hole. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-5The embodiment provides a technical scheme: a pile driver with a positioning function, which comprises a frame 1, the front lower end of the frame 1 is provided with a mounting bin 6, the inside of the mounting bin 6 is slidably connected with an adjusting block 7, the bottom wall of the mounting bin 6 is provided with a rack plate sliding rail 11, the inside of the rack plate sliding rail 11 is slidably connected with a rack plate 9, the front side surface of the rack plate 9 is fixedly connected with the rear side surface of the adjusting block 7, the left and right inner walls of the mounting bin 6 are rotationally connected with a gear 10 through a rotating shaft 12, the gear 10 is meshingly connected with the rack plate 9, the bottom wall left side of the mounting bin 6 is provided with a friction frame 15, the arc-shaped inner wall of the right side of the upper end of the friction frame 15 is in contact with the front end outer arc surface of the rotating shaft 12, the upper end left side wall of the friction frame 15 is threadedly connected with a jacking bolt 16 (a worker can set an auxiliary door on the left side wall of the mounting bin 6, and the jacking bolt 16 can be tightened through a wrench after the auxiliary door is opened), the jacking bolt 16 is cooperatively installed with the rotating shaft 12, the front end of the adjusting block 7 is provided with a positioning ring 8, the inside of the positioning ring 8 is cooperatively installed with a pipe pile 13 (the positioning ring is a circular ring composed of two half rings, one of the two half ring connecting positions is hingedly connected, and the other is connected through a screw), the front end of the frame 1 is provided with an adjustable pile hammer 4, the front side surface of the frame 1 is provided with a guide rail 3, the inside of the guide rail 3 is slidably connected with the pile hammer 4, the front end upper side surface of the frame 1 is installed with a hydraulic telescopic rod 5, the telescopic end of the hydraulic telescopic rod 5 penetrates through the front end of the frame 1 and is fixedly connected with the upper side surface of the pile hammer 4, the oil inlet of the hydraulic telescopic rod 5 is connected with the oil outlet of an external hydraulic oil cylinder, the pile hammer 4 is located on the upper side of the pipe pile 13, firstly, the pipe pile 13 is hoisted to the inside of the positioning ring 8 by using an external hoisting device, the positioning ring 8 is composed of two half rings, through the cooperation of a hinge and a screw, the pipe pile 13 can be conveniently adjusted to a certain extent, preliminary positioning is realized, if it is necessary to finely adjust the horizontal position of the pipe pile 13, the rotating shaft 12 is rotated to drive the gear 10 to rotate synchronously, under the meshing action of the rack plate 9 and the gear 10, the adjusting block 7 is moved forward and backward, and then the positioning ring 8 and the pipe pile 13 are moved, the purpose of accurately adjusting the horizontal position of the pipe pile 13 is achieved, after the adjustment is completed, the jacking bolt 16 on the friction frame 15 is tightened, the friction frame 15 tightly holds the rotating shaft 12, the gear 10 is prevented from being accidentally rotated, the stability of the pipe pile 13 positioning is ensured, after the pipe pile 13 is positioned, the external hydraulic oil cylinder is started, oil is supplied to the oil inlet of the hydraulic telescopic rod 5, the telescopic end of the hydraulic telescopic rod 5 pushes the pile hammer 4, the pile hammer 4 is reciprocatingly moved up and down along the guide rail 3 on the front side surface of the frame 1, in the rising and falling process of the pile hammer 4, the guide rail 3 plays a guiding role, the stability and accuracy of the movement of the pile hammer 4 are ensured, when the pile hammer 4 is lowered, the impact force of the pile hammer 4 acts on the pipe pile 13, the pipe pile 13 is gradually driven into the ground, the pile driving work is conveniently completed, and the locking mechanism 2 is further included;

[0024] The locking mechanism 2 comprises a limiting rack plate 21, a slide column 22 and a pawl 23. The inside of the installation bin 6 is symmetrically provided with the adjustable slide column 22, the opposite inner side of the two slide columns 22 is rotatably connected with the pawl 23, the upper side of the adjusting block 7 is provided with the limiting rack plate 21, the pawl 23 is matched with the limiting rack plate 21, the locking mechanism 2 further comprises a torsion spring 24, a spring 25 and an adjusting frame 26, the front end of the left and right side walls of the installation bin 6 is provided with a slide hole 17, the inside of the slide hole 17 is slidably connected with the slide column 22, the middle part of the slide column 22 is provided with the adjusting frame 26, the inner side of the adjusting frame 26 and the inner side of the adjacent pawl 23 are provided with the torsion spring 24, the outer side of the adjusting frame 26 and the inner wall adjacent to the installation bin 6 are provided with the spring 25, the locking mechanism 2 further comprises a push groove 27, a connecting rod 28 and a push column 29, the upper side of the adjusting frame 26 is provided with the push groove 27, the top wall of the installation bin 6 is rotatably connected with the connecting rod 28 through the rotating shaft 14, the lower side of the connecting rod 28 is provided with the symmetrically distributed push column 29, the lower end of the push column 29 is located in the inside of the lower adjacent push groove 27, under the normal state, the pawl 23 is meshed with the limiting rack plate 21 on the adjusting block 7 under the action of the torsion spring 24, at this time, the pawl 23 plays a key limiting role, which can effectively prevent the adjusting block 7 from moving backward, and ensure that the pipe pile 13 will not deviate in position during the piling process due to the displacement of the adjusting block 7, when it is necessary to adjust the position of the adjusting block 7, the rotating shaft 14 is rotated to make the connecting rod 28 rotate, the push column 29 on the lower side of the connecting rod 28 rotates, the push column 29 is located in the push groove 27 of the adjusting frame 26, and the adjusting frame 26 is moved outward (the slide column 22 slides in the adjacent slide hole 17) by rotating to overcome the elastic force of the spring 25, the adjusting frame 26 drives the pawl 23 to move through the torsion spring 24, so that the pawl 23 is disengaged from the limiting rack plate 21, so that the position of the adjusting block 7 can be freely adjusted, after the adjustment is completed, the connecting rod 28 is loosened, the adjusting frame 26 is reset by the spring 25, the pawl 23 is re-engaged with the limiting rack plate 21 under the action of the torsion spring 24, and the position of the adjusting block 7 is locked again to ensure the stability of the positioning ring 8.

[0025] The working principle of the pile driver with the positioning function is as follows: firstly, the pipe pile 13 is hoisted to the inside of the positioning ring 8 by using the external hoisting device, the positioning ring 8 is composed of two half rings, the pipe pile 13 can be conveniently adjusted in the holding degree by the cooperation of the hinge and the screw, the preliminary positioning is realized, if the horizontal position of the pipe pile 13 needs to be finely adjusted, the rotating shaft 12 drives the gear 10 to rotate synchronously, under the meshing action of the rack plate 9 and the gear 10, the adjusting block 7 is driven to move forward and backward, and then the positioning ring 8 and the pipe pile 13 are driven to move, the purpose of accurately adjusting the horizontal position of the pipe pile 13 is achieved, after the adjustment is completed, the jacking bolt 16 on the friction frame 15 is tightened, the friction frame 15 holds the rotating shaft 12 tightly, the gear 10 is prevented from rotating accidentally, the stability of the positioning of the pipe pile 13 is ensured, under the normal state, the pawl 23 is kept in engagement with the limiting rack plate 21 on the adjusting block 7 under the action of the torsional spring 24, at this moment, the pawl 23 plays a key limiting role and can effectively prevent the adjusting block 7 from moving backward, so that the position deviation of the pipe pile 13 in the pile driving process due to the displacement of the adjusting block 7 is avoided, when the position of the adjusting block 7 needs to be adjusted, the rotating shaft 14 is rotated to drive the connecting rod 28 to rotate, the pushing column 29 on the lower side of the connecting rod 28 is rotated, the pushing column 29 is located in the pushing groove 27 of the adjusting frame 26 and drives the adjusting frame 26 to move outward (the sliding column 22 slides in the adjacent sliding hole 17) by overcoming the elastic force of the spring 25 when being rotated, the adjusting frame 26 drives the pawl 23 to move by the torsional spring 24, so that the pawl 23 is disengaged from the limiting rack plate 21, so that the position of the adjusting block 7 can be freely adjusted, after the adjustment is completed, the connecting rod 28 is loosened, the spring 25 pushes the adjusting frame 26 to reset, the pawl 23 is re-engaged with the limiting rack plate 21 under the action of the torsional spring 24, and the position of the adjusting block 7 is locked again, after the pipe pile 13 is positioned and the locking mechanism 2 is locked, the external hydraulic oil cylinder is started, the oil inlet of the hydraulic telescopic rod 5 is supplied with oil, the telescopic end of the hydraulic telescopic rod 5 pushes the pile hammer 4, so that the pile hammer 4 moves up and down along the guide rail 3 on the front side of the frame 1, the guide rail 3 plays a guiding role in the rising and falling process of the pile hammer 4, so as to ensure the stability and accuracy of the movement of the pile hammer 4, when the pile hammer 4 descends, the impact force of the pile hammer 4 acts on the pipe pile 13, the pipe pile 13 is gradually driven into the ground, and the pile driving work is completed.

[0026] It is worth noting that the hydraulic telescopic rod 5 disclosed in the above embodiment can be A4VG series.

[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A pile driver with positioning function, comprising a frame (1), the front lower end of the frame (1) is provided with a mounting bin (6), the inside of the mounting bin (6) is slidably connected with an adjusting block (7), the front end of the adjusting block (7) is provided with a positioning ring (8), the inside of the positioning ring (8) is fitted with a pipe pile (13), the front end of the frame (1) is provided with an adjustable pile hammer (4), and the pile hammer (4) is located on the upper side of the pipe pile (13), characterized in that: Also include locking mechanism (2); The locking mechanism (2) further comprises torsional spring (24), spring (25) and adjusting frame (26), the left and right side walls of the front end of the installation warehouse (6) are provided with sliding hole (17), the inner part of sliding hole (17) is slidably connected with sliding column (22), the middle part of sliding column (22) is provided with adjusting frame (26), the inner side of adjusting frame (26) and the adjacent inner side of pawl (23) are provided with torsional spring (24), the outer side of adjusting frame (26) and the adjacent inner wall of installation warehouse (6) are provided with spring (25).

2. A pile driver with a positioning function according to claim 1, characterized in that: The locking mechanism (2) further comprises a slot (27), a connecting rod (28) and a push column (29), the upper side of the adjusting frame (26) is provided with a slot (27), the top wall of the installation warehouse (6) is rotatably connected with a connecting rod (28) through a rotating shaft (14), the lower side of the connecting rod (28) is provided with a symmetrical distribution of push column (29), the lower end of the push column (29) is located in the inner part of the adjacent lower slot (27).

3. A pile driver with a positioning function according to claim 2, characterized in that: The bottom wall of the installation warehouse (6) is provided with a rack plate sliding rail (11), the inner part of the rack plate sliding rail (11) is slidably connected with a rack plate (9), the front side of the rack plate (9) is fixedly connected with the rear side of the adjusting block (7), the left and right inner walls of the installation warehouse (6) are rotatably connected with a gear (10) through a rotating shaft (12), the gear (10) is meshingly connected with the rack plate (9).

4. A pile driver with a positioning function according to claim 1, characterized in that: The left side of the bottom wall of the installation warehouse (6) is provided with a friction frame (15), the arc-shaped inner wall of the upper end right side of the friction frame (15) is in contact with the front end outer arc surface of the rotating shaft (12), the upper end left side wall of the friction frame (15) is threadedly connected with a jacking bolt (16), the jacking bolt (16) is mounted in cooperation with the rotating shaft (12).

5. A pile driver with a positioning function according to claim 4, characterized in that: The front side of the frame (1) is provided with a guide rail (3), the inner part of the guide rail (3) is slidably connected with a pile hammer (4).

6. A pile driver with a positioning function according to claim 1, characterized in that: The front end upper side of the frame (1) is provided with a hydraulic telescopic rod (5), the telescopic end of the hydraulic telescopic rod (5) penetrates through the front end of the frame (1) and is fixedly connected with the upper side of the pile hammer (4), the oil inlet of the hydraulic telescopic rod (5) and the oil outlet of the external hydraulic oil cylinder are connected.

7. A pile driver with a positioning function according to claim 6, characterized in that: ​