CN212506268U

CN212506268U - Hydraulic pile extractor

Info

Publication number: CN212506268U
Application number: CN202020945264.5U
Authority: CN
Inventors: 张传宝; 梁宁
Original assignee: Xuzhou Tezhong Machinery Technology Co ltd
Current assignee: Xuzhou Tezhong Machinery Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-09
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a hydraulic pile extractor, which comprises a hydraulic oil cylinder which is arranged vertically in bilateral symmetry, a U-shaped bottom plate, a middle U-shaped fixed plate and an upper U-shaped fixed plate which are vertically connected with the hydraulic oil cylinder and are arranged in parallel from bottom to top in sequence, and a pile extracting component which is connected with the top end of a piston rod of the hydraulic oil cylinder and is used for extracting a pile pipe; the pile pulling assembly is arranged on the top end of a piston rod of the hydraulic oil cylinder fixedly connected with the nut, the open end of the U-shaped bottom plate is fixedly connected to the bottom of the hydraulic oil cylinder, the open end of the middle U-shaped fixing plate is fixedly connected to the middle of the hydraulic oil cylinder, the open end of the upper U-shaped fixing plate is fixedly connected to the side face of an upper end cover of the hydraulic oil cylinder, the open end of the middle U-shaped fixing plate is far away from, and the open end of the upper U-shaped fixing plate is far away. The utility model can rapidly pull out the pile pipe, which is simple, time-saving and labor-saving; the installation and the disassembly are convenient; can construct the stake pipe of different specifications size, the suitability is high.

Description

Hydraulic pile extractor

Technical Field

The utility model relates to a hydraulic pile extractor belongs to pile pulling equipment technical field.

Background

In the construction and maintenance of expressway, it is often necessary to extract the guard-rail piles and sign posts which are excessively sunk or damaged by the collision of vehicles

At present, in construction sites such as various old road pavement pile pipe transformation, high-speed toll station pile pipe transformation, photovoltaic pile pipe replacement and the like, a hydraulic pile puller is used for pile pulling, but when the pile pipe is damaged by external force or the pile pipe is not vertical, the existing hydraulic pile puller is inconvenient to install and detach when in use, the pile pulling efficiency is low, the pile pulling device can not be suitable for pile pipes of various specifications, and the applicability is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a hydraulic pile extractor which can rapidly extract a pile pipe and is simple, time-saving and labor-saving; the installation and the disassembly are convenient; can construct the stake pipe of different specifications size, the suitability is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic pile extractor comprises hydraulic oil cylinders which are arranged vertically in bilateral symmetry, a U-shaped bottom plate, a middle U-shaped fixing plate and an upper U-shaped fixing plate which are vertically connected with the hydraulic oil cylinders and are sequentially arranged in parallel from bottom to top, and a pile extracting assembly which is connected with the top ends of piston rods of the hydraulic oil cylinders and is used for extracting pile pipes; the pile pulling assembly is fixedly connected with the top end of a piston rod of a hydraulic oil cylinder through a nut, the open end of the U-shaped bottom plate is fixedly connected to the bottom of the hydraulic oil cylinder, the open end of the middle U-shaped fixing plate is fixedly connected to the middle of the hydraulic oil cylinder, the open end of the upper U-shaped fixing plate is fixedly connected to the side face of an upper end cover of the hydraulic oil cylinder, one end, far away from the opening, of the middle U-shaped fixing plate and one end, far away from the opening, of the upper U-shaped fixing plate correspond to.

Preferably, the pile pulling assembly comprises a top plate, lifting lugs arranged on the lower surface of the top plate in a bilateral symmetry mode, a pile pipe supporting flange ring located below the lifting lugs, and a connecting steel chain for connecting the lifting lugs and the pile pipe supporting flange ring, the middle of the top plate is of a circular ring structure, and the top plate is fixed to the top end of a piston rod of the hydraulic oil cylinder through nuts.

Preferably, the outer side surface of the pile tube supporting flange ring is provided with connecting lugs which are centrosymmetric, one connecting lug corresponds to one lifting lug, and one connecting steel chain is connected between one connecting lug and the corresponding lifting lug.

Preferably, the openings of the U-shaped bottom plate, the middle U-shaped fixing plate and the upper U-shaped fixing plate all comprise a square opening and a semicircular opening which are sequentially arranged from outside to inside and communicated, the width of the square opening is equal to the diameter of the semicircular opening, and the central lines of the semicircular openings of the U-shaped bottom plate, the middle U-shaped fixing plate and the upper U-shaped fixing plate and the central line of the circular hole of the circular ring structure of the top plate are in the same straight line.

Preferably, the U-shaped bottom plate is fixedly connected with the bottom of the hydraulic oil cylinder through a bolt, the middle U-shaped fixing plate is fixedly connected with the middle of the hydraulic oil cylinder through a bolt, and the upper U-shaped fixing plate is fixedly connected with the upper end cover of the hydraulic oil cylinder through rivet welding.

Preferably, the back connecting plate is fixedly installed on a mechanical power car with a lifting function.

Preferably, the back connecting plate is fixedly mounted on the pile driver.

The utility model has the advantages that: the utility model has the advantages that the pile pulling component is convenient and rapid to install and disassemble through the fixed connection of the nuts; the pile pulling assembly is provided with a connecting steel chain and a pile pipe supporting flange ring, the connecting steel chain can be changed in all directions, so that the pile pipe supporting flange ring can be fixedly sleeved with various pile pipes which are damaged or not perpendicular by external force, and the field adaptability is strong; pile pipe supports flange circle can be changed according to the specification size of the pile pipe of treating the construction, and the suitability is high, and pile pipe supports flange circle simultaneously through reserve drill rod with clamp with the pile pipe together, the operation is light convenient, simple labour saving and time saving, the pile pipe of extracting that can be quick.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention in use.

In the figure: 1. the device comprises a hydraulic oil cylinder, 2 parts of a U-shaped bottom plate, 3 parts of a middle U-shaped fixing plate, 4 parts of an upper U-shaped fixing plate, 1-1 parts of a piston rod, 1-2 parts of an upper end cover, 5 parts of a back connecting plate, 6 parts of a top plate, 7 parts of a lifting lug, 8 parts of a pile pipe supporting flange ring, 8-1 parts of a connecting support lug, 9 parts of a connecting steel chain, 10 parts of a pile pipe.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the embodiment of the present invention provides a hydraulic pile extractor, which includes a hydraulic cylinder 1 vertically disposed in bilateral symmetry, a U-shaped bottom plate 2, a middle U-shaped fixing plate 3, an upper U-shaped fixing plate 4 vertically connected to the hydraulic cylinder 1 and arranged in parallel from bottom to top, and a pile extracting assembly connected to the top end of a piston rod 1-1 of the hydraulic cylinder 1 and used for extracting a pile tube 10; the pile pulling assembly is fixedly connected with the top end of a piston rod 1-1 of a hydraulic oil cylinder 1 through a nut, the open end of a U-shaped bottom plate 2 is fixedly connected with the bottom of the hydraulic oil cylinder, the open end of a middle U-shaped fixing plate 3 is fixedly connected with the middle of the hydraulic oil cylinder 1, the open end of an upper U-shaped fixing plate 4 is fixedly connected with the side surface of an upper end cover 1-2 of the hydraulic oil cylinder 1, one end, far away from an opening, of the middle U-shaped fixing plate 3 and one end, far away from the opening, of the upper U-shaped fixing plate 4 correspond to the bottom.

Preferably, the pile pulling assembly comprises a top plate 6, lifting lugs 7 which are arranged on the lower surface of the top plate 6 in a bilateral symmetry mode, a pile pipe supporting flange ring 8 positioned below the lifting lugs 7 and a connecting steel chain 9 for connecting the lifting lugs 7 and the pile pipe supporting flange ring 8, the middle part of the top plate 6 is arranged to be of a circular ring structure, the top plate 6 is fixed to the top end of a piston rod 1-1 of the hydraulic oil cylinder 1 through nuts and is fixedly connected through the nuts, the installation and the disassembly are convenient and rapid, the pile pulling assembly can be replaced according to the specification size of a pile pipe 10 to be constructed, namely the pile pipe supporting flange ring 8 is replaced, and the applicability is high; the connecting steel chains 9 are adopted, so that the directions can be changed, the pile pipe supporting flange ring 8 can be fixedly sleeved with various pile pipes 10 which are damaged or not perpendicular by external force, and the field adaptability is strong; the inner circle of the pile pipe supporting flange ring 8 is sleeved on the pile pipe 10 until the round hole on the side face of the pile pipe 10 is exposed out of the upper side of the pile pipe supporting flange ring 8, then a standby steel chisel is inserted into the round hole on the side face of the pile pipe 10 to clamp the pile pipe supporting flange ring 8 and the pile pipe 10 together, and then the quick extraction is drawn through the hydraulic oil cylinder 1, so that the operation is easy and convenient, and the operation is simple, time and labor are saved.

Preferably, the outer side surface of the pile pipe supporting flange ring 8 is provided with connecting lugs 8-1 which are centrosymmetric, one connecting lug 8-1 corresponds to one lifting lug 7, and one connecting steel chain 9 is connected between one connecting lug 8-1 and the corresponding lifting lug 7.

Preferably, the openings of the U-shaped bottom plate 2, the middle U-shaped fixing plate 3 and the upper U-shaped fixing plate 4 include a square opening and a semicircular opening which are sequentially arranged from outside to inside and are communicated with each other, the width of the square opening is equal to the diameter of the semicircular opening, and the center line of the semicircular opening of the U-shaped bottom plate 2, the middle U-shaped fixing plate 3 and the upper U-shaped fixing plate 4 is the same straight line with the center line of the circular hole of the circular ring structure of the top plate 6.

Preferably, the U-shaped bottom plate 2 is fixedly connected with the bottom of the hydraulic oil cylinder 1 through a bolt, the middle U-shaped fixing plate 3 is fixedly connected with the middle of the hydraulic oil cylinder 1 through a bolt, and the upper U-shaped fixing plate 4 is fixedly connected with the upper end cover 1-2 of the hydraulic oil cylinder 1 through rivet welding.

Preferably, the back connecting plate 5 is fixedly installed on a mechanical power vehicle with a lifting function, the back connecting plate 5 is installed on a lifting device, the hydraulic pile extractor is lifted by the lifting device of the mechanical power vehicle, and the opening of the U-shaped bottom plate 2 of the hydraulic pile extractor is aligned with the pile tube 10 and then placed on the ground.

Preferably, the back connecting plate 5 is fixedly installed on a pile driver, the back connecting plate 5 is installed on a lifting mechanism, the hydraulic pile extractor is lifted by the hydraulic lifting mechanism of the pile driver, and the opening of the U-shaped bottom plate 2 of the hydraulic pile extractor is aligned with the pile tube 10 and then placed on the ground.

When the hydraulic pile pulling device is used, firstly, according to the specification and size of a pile pipe 10 to be constructed on site, nuts are loosened to replace a pile pulling assembly, namely, to replace the pile pipe supporting flange ring 8, an opening of the U-shaped bottom plate 2 is aligned to the pile pipe 10 and then is placed on the ground through a lifting mechanism or a lifting device of a pile driver or a mechanical power vehicle, as shown in figure 2, the inner circle of the pile pipe supporting flange ring 8 is sleeved on the pile pipe 10 until a round hole on the side surface of the pile pipe 10 is exposed out of the upper side of the pile pipe supporting flange ring 8, then, a spare steel drill rod is inserted into the round hole on the side surface of the pile pipe 10 to clamp the pile pipe supporting flange ring 8 and the pile pipe 10 together, then, oil is supplied to the hydraulic oil cylinder 1, a piston rod 1-1 of the hydraulic oil cylinder 1 is extended out, a top plate 6 is lifted along with the piston.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A hydraulic pile extractor is characterized by comprising hydraulic oil cylinders which are arranged vertically and bilaterally symmetrically, a U-shaped bottom plate, a middle U-shaped fixing plate and an upper U-shaped fixing plate which are vertically connected with the hydraulic oil cylinders and are sequentially arranged in parallel from bottom to top, and a pile extracting assembly which is connected with the top ends of piston rods of the hydraulic oil cylinders and is used for extracting a pile pipe; the pile pulling assembly is fixedly connected with the top end of a piston rod of a hydraulic oil cylinder through a nut, the open end of the U-shaped bottom plate is fixedly connected to the bottom of the hydraulic oil cylinder, the open end of the middle U-shaped fixing plate is fixedly connected to the middle of the hydraulic oil cylinder, the open end of the upper U-shaped fixing plate is fixedly connected to the side face of an upper end cover of the hydraulic oil cylinder, one end, far away from the opening, of the middle U-shaped fixing plate and one end, far away from the opening, of the upper U-shaped fixing plate correspond to.

2. The hydraulic pile extractor according to claim 1, wherein the pile extracting assembly comprises a top plate, lifting lugs arranged on the lower surface of the top plate in a bilateral symmetry manner, a pile pipe supporting flange ring positioned below the lifting lugs, and a connecting steel chain connecting the lifting lugs and the pile pipe supporting flange ring, the middle part of the top plate is arranged to be in a circular ring structure, and the top plate is fixed to the top end of a piston rod of the hydraulic oil cylinder through nuts.

3. A hydraulic pile puller according to claim 2, characterised in that the outer side of the pile tube supporting flange ring is provided with centrosymmetric connecting lugs, one connecting lug corresponding to each lifting lug and a connecting steel link connected between one connecting lug and a corresponding lifting lug.

4. The hydraulic pile extractor according to claim 2, wherein the openings of the U-shaped bottom plate, the middle U-shaped fixing plate and the upper U-shaped fixing plate comprise a square opening and a semicircular opening which are sequentially arranged from outside to inside and are communicated with each other, the width of the square opening is equal to the diameter of the semicircular opening, and the center line of the semicircular opening of the U-shaped bottom plate, the middle U-shaped fixing plate and the upper U-shaped fixing plate is in the same straight line with the center line of the circular hole of the circular ring structure of the top plate.

5. The hydraulic pile extractor as claimed in claim 1, wherein the U-shaped bottom plate is fixedly connected with the bottom of the hydraulic cylinder through a bolt, the middle U-shaped fixing plate is fixedly connected with the middle of the hydraulic cylinder through a bolt, and the upper U-shaped fixing plate is fixedly connected with the upper end cover of the hydraulic cylinder through rivet welding.

6. The hydraulic pile extractor as claimed in claim 1, wherein the back connecting plate is fixedly mounted on a mechanical power vehicle having a lifting function.

7. A hydraulic pile puller as set forth in claim 1, in which the back web is fixedly mounted on the pile driver.