Pile arm undercarriage
By designing side guard mechanism and splicing components in the pile driver, the problems of fixed positioning clamp size and swing of pipe piles in the prior art are solved, efficient support and convenient fitting of pipe piles of different sizes are achieved, and the pile driver is enhanced efficiency and installation accuracy.
Patent Information
- Application Number
- CN202421149326.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-23
AI Technical Summary
When supporting pipe piles of different sizes, existing pile drivers need to frequently disassemble and assemble positioning clamps, and the pipe piles are prone to swing during lifting, resulting in low usage efficiency and poor effect.
A pile arm landing gear was designed, and a side guard mechanism was used to drive the carriage movement using hydraulic rods and sliders, changing the spacing between the carriage and the fixture, adapting to pipe piles of different sizes, and using clamp strips and The splicing of the card holder improves the stress performance and convenience of the support rod.
It improves the support convenience and sleeve efficiency of pipe piles of different sizes, reduces friction, enhances the stress performance of the support rod, and facilitates the installation of pipe piles and the movement of pile drivers.
Smart Images

Figure CN222294979U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pile drivers, in particular to a pile arm landing gear. Background Art
[0002] During the drilling and piling construction process, it is usually necessary to manually align the pipe piles with the pile position and then straighten them before the pipe piles can be hammered into the drill hole by the pile hammer of the pile driver. This solution of manual alignment and manual straightening has high labor costs and low work efficiency. A pile driver with application number CN2020232831118 includes a piling device, two lifting devices and a positioning device; the structure is simple and the modification cost is low, the labor cost and the demand for labor are reduced, the pipe piles can be automatically straightened and aligned, and the installation speed and accuracy of the pipe piles can be greatly improved.
[0003] Although the device has the above advantages, it still has the following defects in actual use: since the size of the positioning clamp used for support is fixed, firstly, when pipe piles of different sizes are fitted for support, they need to be frequently disassembled, assembled and replaced; secondly, when supporting pipe piles with matching diameters, when aligning and fitting them up and down, the hoisted pipe piles are easy to swing, which also makes the fitting process more troublesome, resulting in low overall efficiency and poor effect. Therefore, it is necessary to solve the problems that still exist in the existing device. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a pile arm landing gear, which solves the problems that when supporting pipe piles with positioning clamps during the use of existing pile drivers, the positioning clamps have a fixed size and need to be repeatedly disassembled, assembled and replaced when supporting different pipe piles. In addition, when supporting pipe piles of matching sizes, the hoisted pipe piles are prone to swing, affecting the fit with the positioning clamps, thereby resulting in low efficiency and poor effect when using the positioning clamps.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pile arm landing gear, including a column, a side guard mechanism is arranged on the outside of the column, and the side guard mechanism includes two support rods, the two support rods are a group and multiple groups are arranged along the outer longitudinal direction of the column, a slide is arranged between the outer surfaces of the two support rods, the outer surfaces of the slide are movably connected with a fixed frame, the outer surfaces of the slide and the fixed frame are both fixedly connected with a connecting plate, the outer surface of the connecting plate on one side is fixedly connected to the outer surface of the support rod, and the outer surface of the connecting plate on the other side is movably connected to the outer surface of the support rod, the outer surface of the support rod is provided with a sliding groove, the inner surface of the sliding groove is slidably connected with a sliding block, the outer surface of the sliding block is fixedly connected to the outer surface of the connecting plate on the other side, the outer surface of the sliding block is fixedly connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected to the inside of the sliding groove, and the outer surfaces of the slide and the fixed frame are both embedded with movably connected balls.
[0006] Preferably, a splicing assembly is disposed outside the support rod, and the splicing assembly includes a fixed frame, and the fixed frame is sleeved outside the column and fixedly connected to the column.
[0007] Preferably, a card slot is provided on the outer surface of the fixed frame, and a card strip is movably connected inside the card slot.
[0008] Preferably, a card frame is clamped inside the card slot, and an outer surface of the card frame is fixedly connected to an outer surface of the support rod.
[0009] Preferably, a connecting groove is provided on the outer surface of the card frame, and the outer surface of the card strip is movably connected to the inside of the connecting groove.
[0010] Preferably, a bolt is embedded in the outer surface of the clamping strip and connected by a thread, and the outer surface of the bolt is movably connected to the body of the clamping frame.
[0011] Beneficial Effects
[0012] The utility model provides a pile arm landing gear. Compared with the prior art, it has the following beneficial effects:
[0013] (1) By setting up a side guard mechanism, the hydraulic rod and the slider are used to drive the slide to move, so as to change the distance between the slide and the fixed frame, so that pipe piles of different sizes can be supported, thereby improving the practicality and convenience of pipe pile support and improving the efficiency of fitting with the pipe pile. At the same time, the contact between the ball and the pipe pile is used to facilitate the lowering of the pipe pile into the borehole.
[0014] (2) By setting up a splicing assembly and utilizing the splicing of the clamping strip and the clamping frame, the support rod can be quickly installed on the surface of the column by connecting with the fixed frame, and the connection range is also increased to improve the force-bearing performance of the support rod. The easy disassembly also facilitates storage and movement of the pile driver. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;
[0016] Figure 2 This is a disassembled diagram of the external structure of the slide of the utility model;
[0017] Figure 3 This is a disassembled diagram of the external structure of the card holder of the utility model.
[0018] In the figure: 1, column; 2, support rod; 3, splicing assembly; 31, fixed frame; 32, slot; 33, clamping strip; 34, clamping frame; 35, connecting slot; 36, bolt; 4, slide frame; 5, fixed frame; 6, connecting plate; 7, slide slot; 8, slider; 9, hydraulic rod; 10, ball bearing. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-3 The utility model provides a technical solution: a pile arm landing gear:
[0021] Embodiment 1:
[0022] The utility model comprises a column 1, on which a pile hammer which can be raised and lowered is installed, and the column is installed on an existing pile driver, a side guard mechanism is arranged on the outside of the column 1, and the side guard mechanism comprises two support rods 2, the two support rods 2 are a group, and a plurality of groups are arranged longitudinally along the outside of the column 1, a slide 4 is arranged between the outer surfaces of the two support rods 2, and the slide 4 is divided into two by a rectangular frame, and a fixed frame 5 is movably connected to the outer surface of the slide 4, and the size and dimension of the fixed frame 5 and the slide 4 are the same, and the outer surfaces of the slide 4 and the fixed frame 5 are fixedly connected with a connecting plate 6, and the connecting plate 6 can increase the connection area to improve the force bearing capacity, and the outer surface of the connecting plate 6 on one side is fixedly connected to the outer surface of the support rod 2 The outer surface of the connecting plate 6 on the other side is movably connected to the outer surface of the support rod 2. A slide groove 7 is provided on the outer surface of the support rod 2. A slider 8 is slidably connected inside the slide groove 7. The slider 8 is made of pressure-resistant and wear-resistant material. The outer surface of the slider 8 is fixedly connected to the outer surface of the connecting plate 6 on the other side. The outer surface of the slider 8 is fixedly connected to a hydraulic rod 9. The hydraulic rod 9 is connected to the drive control system of the pile driver. One end of the hydraulic rod 9 is fixedly connected to the inside of the slide groove 7. The outer surfaces of the slide 4 and the fixed frame 5 are both embedded with movably connected balls 10. The balls 10 are made of pressure-resistant, wear-resistant and corrosion-resistant material, and the friction between the balls and the piles is reduced by rolling.
[0023] By setting up a side guard mechanism, the hydraulic rod 9 and the slider 8 are used to drive the slide 4 to move, so as to change the distance between the slide 4 and the fixed frame 5, so that pipe piles of different sizes can be supported, thereby improving the practicality and convenience of pipe pile support and improving the efficiency of fitting with the pipe piles. At the same time, the contact between the ball 10 and the pipe pile also facilitates the descent of the pipe pile into the borehole.
[0024] Embodiment 2:
[0025] The outside of the support rod 2 is provided with a splicing assembly 3, which includes a fixed frame 31. The fixed frame 31 is made of a compression-resistant and wear-resistant square frame. The fixed frame 31 is sleeved on the outside of the column 1 and fixedly connected to the column 1. The outer surface of the fixed frame 31 is provided with a card slot 32. The fixed frame 31 is connected to a card frame 34 through the card slot 32, which can increase the contact area to improve the pressure resistance. The card slot 32 is movably connected with a card strip 33 inside. The card strip 33 is made of a compression-resistant and wear-resistant material. The card slot 32 is internally connected with a card frame 34. The bracket 34 is made of a U-shaped frame and is made of a pressure-resistant and wear-resistant material. The outer surface of the bracket 34 is fixedly connected to the outer surface of the support rod 2. A connecting groove 35 is provided on the outer surface of the bracket 34. The inner size of the connecting groove 35 is adapted to the outer size of the clamping strip 33 to facilitate the splicing of the bracket 34 and the clamping strip 33. The outer surface of the clamping strip 33 is movably connected to the inside of the connecting groove 35. The outer surface of the clamping strip 33 is embedded with a bolt 36 connected by a thread, and the outer surface of the bolt 36 is movably connected to the body of the bracket 34.
[0026] By setting up the splicing assembly 3 and utilizing the splicing of the clamping strip 33 and the clamping frame 34, the support rod 2 can be quickly installed on the surface of the column 1 through the connection with the fixed frame 31, and the connection range is also increased to improve the force-bearing performance of the support rod 2. The easy disassembly also facilitates storage and movement of the pile driver.
[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0028] When working, first, the support rod 2 is installed on the surface of the column 1 through the fixed frame 31 by plugging the bracket 34 and the slot 32, and then the clamping strip 33 is placed in the connecting slot 35, and contacts the bracket 34 and the fixed frame 31 respectively, and then the clamping strip 33 is fixed by the bolt 36, so that the clamping strip 33 and the bracket 34 are spliced, and the connection between the bracket 34 and the fixed frame 31 is fixed, and then multiple groups of support rods 2 are fixedly installed on the surface of the column 1 in turn, and the hydraulic rod 9 is connected to the driving control system of the pile driver, and then when in use, the pile driver hoisting device is The slings and hooks are inserted between multiple groups of slides 4 and fixed frames 5 from top to bottom, and then the pipe piles are lifted by the lifting device, so that the pipe piles are inserted between multiple groups of slides 4 and fixed frames 5 from bottom to top. After the pipe piles reach the lifting height, the output end of the hydraulic rod 9 extends to drive the slider 8 to slide inside the slide groove 7, so that the slide 4 moves close to the fixed frame 5 to reduce the distance between the two, and the pipe pile is clamped and protected by the contact between the ball 10 and the pipe pile, and then the pipe pile is hammered by the lifting pile hammer to make it enter the borehole, and during the descent, the ball 10 can reduce the friction by rolling.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A pile arm landing gear, comprising a column (1), characterized in that: A side guard mechanism is arranged on the outside of the column (1), and the side guard mechanism comprises two support rods (2), the two support rods (2) form a group and a plurality of groups are arranged longitudinally along the outside of the column (1), a slide (4) is arranged between the outer surfaces of the two support rods (2), the outer surface of the slide (4) is movably connected to a fixed frame (5), the outer surfaces of the slide (4) and the fixed frame (5) are both fixedly connected to a connecting plate (6), the outer surface of the connecting plate (6) on one side is fixedly connected to the outer surface of the support rod (2), and the outer surface of the connecting plate (6) on the other side is fixedly connected to the outer surface of the support rod (2). The outer surface of the plate (6) is movably connected to the outer surface of the support rod (2); a slide groove (7) is provided on the outer surface of the support rod (2); a slider (8) is slidably connected inside the slide groove (7); the outer surface of the slider (8) is fixedly connected to the outer surface of the connecting plate (6) on the other side; the outer surface of the slider (8) is fixedly connected to a hydraulic rod (9); one end of the hydraulic rod (9) is fixedly connected to the inside of the slide groove (7); and balls (10) are embedded and movably connected in the outer surfaces of the slide frame (4) and the fixed frame (5).
2. A pile arm landing gear according to claim 1, characterized in that: A splicing assembly (3) is arranged outside the support rod (2), and the splicing assembly (3) comprises a fixed frame (31). The fixed frame (31) is sleeved outside the column (1) and fixedly connected to the column (1).
3. A pile arm landing gear according to claim 2, characterized in that: The outer surface of the fixed frame (31) is provided with a clamping groove (32), and the interior of the clamping groove (32) is movably connected with a clamping strip (33).
4. A pile arm landing gear according to claim 3, characterized in that: A card frame (34) is clamped inside the clamping slot (32), and the outer surface of the card frame (34) is fixedly connected to the outer surface of the support rod (2).
5. A pile arm landing gear according to claim 4, characterized in that: The outer surface of the card frame (34) is provided with a connecting groove (35), and the outer surface of the card strip (33) is movably connected to the inside of the connecting groove (35).
6. A pile arm landing gear according to claim 4, characterized in that: The outer surface of the clamping strip (33) is embedded with a bolt (36) in threaded connection, and the outer surface of the bolt (36) is movably connected to the body of the clamping frame (34).
