CN211713963U

CN211713963U - Super large stroke pile cutting machine

Info

Publication number: CN211713963U
Application number: CN201922399125.7U
Authority: CN
Inventors: 孙虹宇
Original assignee: Tysim Piling Equipment Co ltd
Current assignee: Tysim Piling Equipment Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-20
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a stake machine is cut to super large stroke, including the pile body, the outside of pile body is provided with a plurality of mount pads, all installs hydraulic cylinder on the mount pad, and beneficial effect is: the device is characterized in that a plurality of hydraulic oil cylinders are designed, the drill rod is pushed to act on a pile body, the action of an ultra-large stroke is realized, the periphery of the pile body is guaranteed to be cut into by the drill rod in a large depth, a perfect crushing effect is achieved, for a relatively small-diameter pile body, oil from a hydraulic source enters from an oil port at the lower end of a cylinder barrel, a first-stage piston is pushed first, the drill rod is enabled to touch and cut into the outer surface of the pile body, the effective area of the first-stage piston is large, ultra-large cutting force can be obtained, crushing can be completed for the small-diameter pile body, for the relatively large-diameter pile body, after the first-stage piston finishes extending, the drill rod often only reaches a pile body stirrup, the outer ring of the stirrup is crushed, the oil from the bottom of the first-stage piston enters at the moment, and accordingly.

Description

Super large stroke pile cutting machine

Technical Field

The utility model relates to a stake machine is cut to super large stroke belongs to the broken technical field of pile body.

Background

Along with the unprecedented development of modern building industry, the country increases to infrastructure's investment, pile foundation engineering industry synchronous development, pile cutter obtains the wide application in pile foundation engineering, pile cutter is through the hydraulic cylinder combined action of a plurality of series connection into the ring shape, promote the drill rod, make the drill rod contact with the pile body at ring center and realize the breakage, because present pile cutter adopts single-stage double-acting hydraulic cylinder, in view of installation space and weight restriction, the design stroke is less, hardly realize the drill rod to cut into the degree of depth greatly to big pile diameter pile body, crushing effect is not good, the urgent need of a big stroke pile cutter in market satisfies big pile diameter pile body broken demand, consequently the utility model provides a super large stroke pile cutter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides a pile cutting machine with an ultra-large stroke, wherein a plurality of hydraulic cylinders are designed in the pile cutting machine, so that a drill rod is pushed to act on a pile body to realize the ultra-large stroke action, the periphery of the pile body is ensured to be cut into by the drill rod with a large depth, and a perfect crushing effect is achieved, for a relatively small-diameter pile body, oil liquid from a hydraulic source enters from an oil port at the lower end of a cylinder barrel, a first-stage piston is pushed first to touch and cut the drill rod into the outer surface of the pile body, because the effective area of the first-stage piston is large, an ultra-large cutting force can be obtained, the crushing can be completed for the small-diameter pile body, for the relatively large-diameter pile body, after the first-stage piston is stretched out, the drill rod often only reaches a pile body stirrup, the crushing is already realized for the stirrup, thereby promote the second piston and remove, this kind of design, when the first order piston transmits the super large power of cutting into, make the second piston obtain more reasonable power of cutting into, the second piston begins to stretch out, make the drill rod cross the stirrup, continue to cut into to the pile body inside, until finally complete breakage, this kind of design, make this device can satisfy the full-size pile body demand in market, have extremely strong adaptability, the drill rod stretches out whole journey, hydraulic oil is from the hydraulic fluid port oil return on the cylinder, this multistage hydro-cylinder is two effect modes, can realize that the drill rod is retrieved fast, hydraulic cylinder adopts two effect forms in this device, the drill rod that makes not do work withdraws the stroke time and greatly shortens.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a stake machine is cut to super large stroke, including the pile body, the outside of pile body is provided with a plurality of mount pads, all install hydraulic cylinder on the mount pad, hydraulic cylinder includes cylinder, first order piston and second level piston, first order piston insert establish in the cylinder and with cylinder swing joint, the second level piston is inserted and is established in the first order piston, the second level piston sets up the top fixedly connected with drill rod at the first order piston.

Preferably, an oil port is formed in the first-stage piston below the second-stage piston, and a sealing ring is arranged at the joint of the upper end of the second-stage piston and the first-stage piston.

Preferably, the upper end of the cylinder barrel is provided with an oil return port, and one end of the cylinder barrel, which is far away from the upper end of the cylinder barrel, is provided with an oil inlet.

The utility model discloses the beneficial effect who reaches is: in the device, a plurality of hydraulic oil cylinders are designed to push a drill rod to act on a pile body, so that the action of an overlarge stroke is realized, the periphery of the pile body is ensured to be cut into by the drill rod in a large depth, a perfect crushing effect is achieved, for a relatively small-diameter pile body, oil from a hydraulic source enters from an oil port at the lower end of a cylinder barrel, a first-stage piston is pushed firstly, so that the drill rod touches and cuts into the outer surface of the pile body, the overlarge cutting force can be obtained due to the large effective area of the first-stage piston, the small-diameter pile body can be crushed, for the relatively large-diameter pile body, after the first-stage piston is stretched out, the drill rod only reaches a pile body stirrup and already crushes a stirrup outer ring of the stirrup, at the moment, the oil from the hydraulic source enters through an oil port at the bottom of the first-stage piston, so that a second-stage piston is pushed to move, and in the design, the, the second piston begins to stretch out, makes the drill rod cross the stirrup, continues to cut into to the pile body inside, until finally complete breakage, this kind of design for this device can satisfy market full-size pile body demand, has very strong adaptability, and the drill rod stretches out whole journey, and hydraulic oil returns from the hydraulic fluid port on the cylinder, and this multi-stage cylinder is two effect modes, can realize that the drill rod retrieves fast, and hydraulic cylinder adopts two effect forms in this device, makes the drill rod of not doing work withdraw the stroke time and greatly shortens.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the hydraulic cylinder of the present invention;

in the figure: 1. a pile body; 2. a hydraulic cylinder; 2-1, a cylinder barrel; 2-2, a first stage piston; 2-3, a second stage piston; 3. a drill rod; 4. and (7) mounting a seat.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-2, the ultra-large stroke pile cutting machine comprises a pile body 1, wherein a plurality of mounting seats 4 are arranged outside the pile body 1, hydraulic cylinders 2 are mounted on the mounting seats 4, drill rods 3 extend out of the whole process, and the hydraulic oil returns from oil ports at the upper ends of the cylinder barrels 2-1, the multi-stage cylinders are double-acting, so that the drill rods 3 can be rapidly recovered, each hydraulic cylinder 2 comprises a cylinder barrel 2-1, a first-stage piston 2-2 and a second-stage piston 2-3, the first-stage piston 2-2 is inserted into the cylinder barrel 2-1 and movably connected with the cylinder barrel 2-1, the second-stage piston 2-3 is inserted into the first-stage piston 2-2, and the second-stage piston 2-3 is arranged at the top end of the first-stage piston 2-2 and fixedly connected with the drill rod 3.

An oil return port is formed in the upper end of the cylinder barrel 2-1, an oil inlet is formed in one end, far away from the upper end, of the cylinder barrel 2-1, an oil port is formed in the first-stage piston 2-2 below the second-stage piston 2-3, oil of a hydraulic source enters through the oil port in the bottom of the first-stage piston 2-2, the second-stage piston 2-3 is pushed to move, the second-stage piston 2-3 begins to extend out, the drill rod 3 passes through the stirrup, the interior of the pile body is continuously cut in, and a sealing ring is arranged at the joint of the upper end of the second-stage piston 2-3 and the first-stage piston 2-2.

Specifically, when the utility model is used, the device pushes the drill rod 3 to act on the pile body 1 by designing the plurality of hydraulic cylinders 2, so that the super-large stroke action is realized, the periphery of the pile body 1 is ensured to be cut into by the drill rod with a large depth, and a perfect crushing effect is achieved, for a relatively small pile diameter pile body, oil liquid from a hydraulic source enters from an oil port at the lower end of the cylinder 2-1, the first-stage piston 2-2 is pushed firstly, so that the drill rod touches and cuts into the outer surface of the pile body 1, the super-large cutting force can be obtained due to the large effective area of the first-stage piston, the crushing can be completed for the small pile diameter pile body, for the relatively large pile diameter pile body, after the first-stage piston 2-2 is stretched out, the drill rod 3 often only reaches the stirrup of the pile body 1, the crushing is already realized for the stirrup outer ring, and the oil liquid of the hydraulic source enters through the oil port, therefore, the second-stage piston 2-3 is pushed to move, the second-stage piston 2-3 begins to extend out, the drill rod 3 is made to cross the stirrup, the interior of the pile body is continuously cut in until the pile body is finally and completely broken, the drill rod 3 extends out in the whole process, hydraulic oil returns from an oil port at the upper end of the cylinder barrel 2-1, and the multi-stage oil cylinder is in a double-acting mode and can realize quick recovery of the drill rod 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The ultra-large stroke pile cutting machine is characterized by comprising a pile body (1), wherein a plurality of mounting seats (4) are arranged outside the pile body (1), hydraulic cylinders (2) are mounted on the mounting seats (4), each hydraulic cylinder (2) comprises a cylinder barrel (2-1), a first-stage piston (2-2) and a second-stage piston (2-3), the first-stage pistons (2-2) are inserted into the cylinder barrels (2-1) and movably connected with the cylinder barrels (2-1), the second-stage pistons (2-3) are inserted into the first-stage pistons (2-2), and the second-stage pistons (2-3) are arranged at the top ends of the first-stage pistons (2-2) and fixedly connected with drill rods (3).

2. The ultra-large stroke pile cutting machine according to claim 1, characterized in that: an oil port is drilled on the first-stage piston (2-2) below the second-stage piston (2-3), and a sealing ring is arranged at the joint of the upper end of the second-stage piston (2-3) and the first-stage piston (2-2).

3. The ultra-large stroke pile cutting machine according to claim 1, characterized in that: an oil return opening is formed in the upper end of the cylinder barrel (2-1), and an oil inlet is formed in one end, far away from the upper end, of the cylinder barrel (2-1).