CN112502156A - Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof - Google Patents

Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof Download PDF

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Publication number
CN112502156A
CN112502156A CN202011317278.3A CN202011317278A CN112502156A CN 112502156 A CN112502156 A CN 112502156A CN 202011317278 A CN202011317278 A CN 202011317278A CN 112502156 A CN112502156 A CN 112502156A
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CN
China
Prior art keywords
pile
steel pipe
anchor rod
pressing
static pressure
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Pending
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CN202011317278.3A
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Chinese (zh)
Inventor
徐鹏程
陈荣
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Shanghai Construction No 2 Group Co Ltd
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Shanghai Construction No 2 Group Co Ltd
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Priority to CN202011317278.3A priority Critical patent/CN112502156A/en
Publication of CN112502156A publication Critical patent/CN112502156A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/08Removing obstacles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/20Placing by pressure or pulling power

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The invention provides an integrated anchor rod static pressure pile machine for removing obstacles and pressing piles and a construction method thereof. The invention accelerates the construction process without disassembling and assembling the equipment twice in different processes. In addition, the auger has a greater clearing torque than a conventional water auger. Compared with the traditional mode, the pile pressing barrier removing and pile pressing speed of the all-in-one machine is greatly improved. The invention can finish barrier removal and anchor rod pile pressing on shallow layers under the conditions of low clearance and limited plane operation space.

Description

Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof
Technical Field
The invention relates to an anchor rod static pressure pile machine integrating obstacle clearing and pile pressing and a construction method thereof.
Background
The existing building indoor is limited by clearance, a small barrier-removing water drill is adopted for drilling, and the hole is fixed on a newly-poured underpinning beam so as to remove a barrier below the underpinning beam; and after the obstacles are cleared, a static pressure anchor rod pile is erected, pile pressing construction is carried out by utilizing an anchor rod pre-embedded in the structure, and the construction process is quite complicated.
Disclosure of Invention
The invention aims to provide a barrier clearing and pile pressing integrated anchor rod static pressure pile machine and a construction method thereof.
In order to solve the above problems, the present invention provides a barrier clearing and pile pressing integrated anchor rod static pressure pile machine, comprising:
the supporting frame is erected on the underpinning beam, and the middle of the underpinning beam is an area to be cleared and pressed with piles;
the steel pipe pile is arranged in a space surrounded by the support frame, and the bottom of the steel pipe pile is inserted into the area to be subjected to obstacle clearing and pile pressing;
the spiral drill is arranged in the cavity of the steel pipe pile;
the low steel rail is pressed on the top of the steel pipe pile, an earth outlet is formed in the middle of the low steel rail, and the earth outlet is communicated with the top of the cavity of the steel pipe pile;
and the jack presses on the low steel rail.
Further, in the above-mentioned barrier-removing and pile-pressing integrated anchor rod static pressure pile machine, a driving main machine connected with the screw auger is also included.
Furthermore, in the above-mentioned barrier removal and pile pressing integrated anchor rod static pressure pile machine, still include be fixed in high rail on the support frame, high rail with the jack contact, high rail provides the counter-force for the jack.
Further, in the above-mentioned clearance and pile pressing integration anchor rod static pressure stake machine, the top of support frame is connected with horizontal steel pipe, be connected with chain block on the horizontal steel pipe, chain block with high rail is connected, in order to pass through chain block adjusts high rail is in fixed height on the support frame.
Further, in the above-mentioned barrier removal and pile pressing integrated anchor rod static pressure pile machine, the support frame is provided with mounting holes respectively on different heights according to the preset spacing distance, and the high steel rail is fixed on the mounting hole of a certain height of the support frame through a bolt.
Furthermore, in the above-mentioned barrier removal and pile pressing integrated anchor rod static pressure pile machine, the bottom of the support frame is fixed with the underpinning beam through the pre-buried screw.
According to another aspect of the invention, a construction method of the barrier removal and pile pressing integrated anchor rod static pressure pile is provided, the method adopts any one of the barrier removal and pile pressing integrated anchor rod static pressure pile machines, and the method comprises the following steps:
slowly providing hydraulic pressure for a jack to press the steel pipe pile downwards, and simultaneously controlling the spiral drill to follow the steel pipe pile to synchronously remove obstacles downwards;
when the screw auger rotates, the barrier is automatically conveyed to the soil outlet from the bottom in the cavity of the steel pipe pile by means of the power of the screw auger.
Further, in the above method, the hydraulic pressure is slowly supplied to the jack to press down the steel pipe pile, and the auger is controlled to follow the steel pipe pile and to clear the obstacle downwards synchronously, including:
when the steel pipe pile is difficult to press, a more powerful twist drill is selected to remove obstacles downwards, and the pressure of a jack is improved to press the steel pipe pile downwards.
Compared with the prior art, the invention carries out obstacle clearing through the spiral drill arranged in the cavity of the steel pipe pile, and simultaneously carries out pile pressing through the jack, the obstacle clearing object can be efficiently taken out from the soil taking opening, the obstacle clearing object is automatically transported to the soil outlet from the bottom in the cavity of the steel pipe pile by means of power when the spiral drill rotates and is cleared in time, the obstacle clearing speed of the bottom is facilitated, and the integrated construction of obstacle clearing and pile pressing can be realized. The invention accelerates the construction process without disassembling and assembling the equipment twice in different processes. In addition, the auger has a greater clearing torque than a conventional water auger. Compared with the traditional mode, the pile pressing barrier removing and pile pressing speed of the all-in-one machine is greatly improved. The invention can finish barrier removal and anchor rod pile pressing on shallow layers under the conditions of low clearance and limited plane operation space.
Drawings
FIG. 1 is a side view of an integrated barrier clearing and pile pressing anchor static pile machine according to one embodiment of the present invention;
fig. 2 is a top view of an integrated barrier clearing and pile pressing anchor static pile machine according to an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 2, the present invention provides a barrier clearing and pile pressing integrated anchor rod static pressure pile machine, comprising:
the supporting frame 1 is erected on the underpinning beam, and the middle of the underpinning beam 2 is an area to be cleared and pressed with piles;
the steel pipe pile 3 is arranged in a space surrounded by the support frame 1, and the bottom of the steel pipe pile 3 is inserted into the area to be subjected to obstacle clearing and pile pressing;
the spiral drill 4 is arranged in the cavity of the steel pipe pile 3;
the low steel rail 5 is pressed on the top of the steel pipe pile 3, an earth outlet 6 is formed in the middle of the low steel rail 5, and the earth outlet 6 is communicated with the top of the cavity of the steel pipe pile 3;
and the jack 7 presses the low steel rail 5.
The invention carries out obstacle clearing through the spiral drill arranged in the cavity of the steel pipe pile, and simultaneously carries out pile pressing through the jack, the obstacles to be cleared can be efficiently taken out from the soil taking opening, the obstacles are automatically transported to the soil outlet from the bottom in the cavity of the steel pipe pile by means of power when the spiral drill rotates and are cleared in time, the obstacle clearing speed of the bottom is facilitated, and the integrated construction of obstacle clearing and pile pressing can be realized. The invention accelerates the construction process without disassembling and assembling the equipment twice in different processes. In addition, the auger has a greater clearing torque than a conventional water auger. Compared with the traditional mode, the pile pressing barrier removing and pile pressing speed of the all-in-one machine is greatly improved. The invention can finish barrier removal and anchor rod pile pressing on shallow layers under the conditions of low clearance and limited plane operation space.
After the device has the functions of clearing obstacles and pressing piles, the obstacles are cleared thoroughly without influencing the subsequent anchor rod pile construction, the subsequent pile pressing force is within the design expected range, and the device is suitable for working conditions of 3m clearance, 200-400 mm aperture and obstacle clearing depth smaller than 3.5 m.
The original obstacle removing equipment needs 2 days to complete the obstacle removing of one pile hole, and after the all-in-one machine is used, all the construction of 70 34-mm anchor rod piles of 273mm in the project is completed within 20 days. Meanwhile, the equipment has a good obstacle clearing effect, so that the condition that the pile cannot be pressed or the designed elevation is not pressed does not occur, and the condition that the pile is refilled in a hole leading on the underpinned beam is avoided. Therefore, the invention effectively controls the continuous settlement of the original house.
As shown in fig. 1 and 2, in an embodiment of the barrier clearing and pile pressing integrated anchor rod static pile driver of the present invention, a driving main machine 8 connected with the auger 4 is further included.
In one embodiment of the barrier removing and pile pressing integrated anchor rod static pressure pile driver, the barrier removing and pile pressing integrated anchor rod static pressure pile driver further comprises a high steel rail 9 fixed on the support frame 1, the high steel rail 9 is in contact with the jack 7, and the high steel rail 9 provides counter force for the jack 7.
In an embodiment of the barrier clearing and pile pressing integrated anchor rod static pressure pile driver, the top of the support frame 1 is connected with a transverse steel pipe 10, the transverse steel pipe 10 is connected with a chain block 11, and the chain block 11 is connected with the high steel rail 9 so as to adjust the fixed height of the high steel rail on the support frame through the chain block.
In one embodiment of the barrier removing and pile pressing integrated anchor rod static pressure pile driver, the support frame 1 is respectively provided with mounting holes 12 at different heights according to a preset spacing distance, and the high steel rail 9 is fixed on the mounting hole 12 at a certain height of the support frame 1 through a bolt so as to conveniently adjust the mounting height of the high steel rail 9.
In one embodiment of the barrier clearing and pile pressing integrated anchor rod static pressure pile driver, the bottom of the support frame is fixed with the underpinning beam through a pre-buried screw.
Here, the support frame can be fixed on the cast underpinning beam by using the embedded screw.
The invention also provides a construction method of the barrier removal and pile pressing integrated anchor rod static pressure pile, which adopts the barrier removal and pile pressing integrated anchor rod static pressure pile machine of any embodiment, and the method comprises the following steps:
step S1, slowly providing hydraulic pressure for the jack to press the steel pipe pile downwards, and simultaneously controlling the auger to follow the steel pipe pile to synchronously clear obstacles downwards;
and step S2, when the screw auger rotates, automatically conveying the obstacle to the soil outlet from the bottom in the cavity of the steel pipe pile by means of the power of the screw auger.
The driving main machine can be used for providing large obstacle clearing torque, and hydraulic reading of the jack and sinking speed of the steel pipe pile are well controlled.
In an embodiment of the method for constructing the barrier-removing and pile-pressing integrated anchor rod static pressure pile, in step S1, hydraulic pressure is slowly supplied to the jack to press down the steel pipe pile, and the auger is controlled to follow the steel pipe pile to remove the barrier synchronously, including:
when the steel pipe pile is difficult to press, a more powerful twist drill is selected to remove obstacles downwards, and the pressure of a jack is improved to press the steel pipe pile downwards.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides a clearance and pile pressing integration stock static pressure stake machine, its characterized in that includes:
the supporting frame is erected on the underpinning beam, and the middle of the underpinning beam is an area to be cleared and pressed with piles;
the steel pipe pile is arranged in a space surrounded by the support frame, and the bottom of the steel pipe pile is inserted into the area to be subjected to obstacle clearing and pile pressing;
the spiral drill is arranged in the cavity of the steel pipe pile;
the low steel rail is pressed on the top of the steel pipe pile, an earth outlet is formed in the middle of the low steel rail, and the earth outlet is communicated with the top of the cavity of the steel pipe pile;
and the jack presses on the low steel rail.
2. The integrated barrier clearing and pile driving anchor static pile machine of claim 1 further comprising a driving host connected to said auger.
3. The integrated obstacle removing and pile pressing anchor rod static pressure pile machine as claimed in claim 1, further comprising a high steel rail fixed on the support frame, the high steel rail being in contact with the jack, the high steel rail providing a counter force for the jack.
4. The machine of claim 1, wherein a horizontal steel pipe is connected to the top of the support frame, and a chain block is connected to the horizontal steel pipe and connected to the high steel rail, so that the fixed height of the high steel rail on the support frame can be adjusted by the chain block.
5. The integrated anchor rod static pressure pile machine for removing obstacles and pressing piles according to claim 4, wherein the support frame is provided with mounting holes at different heights according to a preset spacing distance, and the high steel rail is fixed on the mounting hole at a certain height of the support frame through a bolt.
6. The barrier removal and pile pressing integrated anchor rod static pressure pile machine as claimed in claim 1, wherein the bottom of the support frame is fixed with the underpinning beam through a pre-buried screw.
7. A construction method of a barrier removal and pile pressing integrated anchor rod static pressure pile, which is characterized in that the barrier removal and pile pressing integrated anchor rod static pressure pile machine according to any one of the claims 1-6 is adopted, and the method comprises the following steps:
slowly providing hydraulic pressure for a jack to press the steel pipe pile downwards, and simultaneously controlling the spiral drill to follow the steel pipe pile to synchronously remove obstacles downwards;
when the screw auger rotates, the barrier is automatically conveyed to the soil outlet from the bottom in the cavity of the steel pipe pile by means of the power of the screw auger.
8. The method for constructing the pilot-static pile of the anchor rod integrating the obstacle clearing and the pile pressing as claimed in claim 7, wherein the step of slowly supplying hydraulic pressure to the jack to press down the steel pipe pile while controlling the auger to follow the steel pipe pile to clear the obstacle downwards synchronously comprises the steps of:
when the steel pipe pile is difficult to press, a more powerful twist drill is selected to remove obstacles downwards, and the pressure of a jack is improved to press the steel pipe pile downwards.
CN202011317278.3A 2020-11-23 2020-11-23 Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof Pending CN112502156A (en)

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CN202011317278.3A CN112502156A (en) 2020-11-23 2020-11-23 Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof

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Application Number Priority Date Filing Date Title
CN202011317278.3A CN112502156A (en) 2020-11-23 2020-11-23 Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113789784A (en) * 2021-10-11 2021-12-14 上海建工四建集团有限公司 Low-clearance anchor rod static-pressure pile machine and construction method thereof
CN113863706A (en) * 2021-09-14 2021-12-31 建研地基基础工程有限责任公司 Construction method and application device of low-clearance lower jet grouting static pressure composite pile of existing building

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718092A (en) * 2009-11-27 2010-06-02 上海隧道工程股份有限公司 Environment micro-turbulence static pressing pile construction technology under low-headroom condition
CN102400465A (en) * 2010-09-10 2012-04-04 湖北毅力机械有限公司 Static pressure moderately-excavated pile pressing machine and static pressure moderately-excavated pile pressing construction method
CN110886295A (en) * 2019-11-06 2020-03-17 张辉 Static pressure pile sinking device and method adopting through method
CN111794227A (en) * 2020-08-07 2020-10-20 上海天演建筑物移位工程股份有限公司 Anti-pulling hoop type anchor rod static pressure pile device and construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718092A (en) * 2009-11-27 2010-06-02 上海隧道工程股份有限公司 Environment micro-turbulence static pressing pile construction technology under low-headroom condition
CN102400465A (en) * 2010-09-10 2012-04-04 湖北毅力机械有限公司 Static pressure moderately-excavated pile pressing machine and static pressure moderately-excavated pile pressing construction method
CN110886295A (en) * 2019-11-06 2020-03-17 张辉 Static pressure pile sinking device and method adopting through method
CN111794227A (en) * 2020-08-07 2020-10-20 上海天演建筑物移位工程股份有限公司 Anti-pulling hoop type anchor rod static pressure pile device and construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113863706A (en) * 2021-09-14 2021-12-31 建研地基基础工程有限责任公司 Construction method and application device of low-clearance lower jet grouting static pressure composite pile of existing building
CN113789784A (en) * 2021-10-11 2021-12-14 上海建工四建集团有限公司 Low-clearance anchor rod static-pressure pile machine and construction method thereof
CN113789784B (en) * 2021-10-11 2023-02-14 上海建工四建集团有限公司 Low-clearance anchor rod static-pressure pile machine and construction method thereof

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Application publication date: 20210316

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