CN114045829A - Spiral construction device and method for precast pile - Google Patents

Spiral construction device and method for precast pile Download PDF

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Publication number
CN114045829A
CN114045829A CN202111354005.0A CN202111354005A CN114045829A CN 114045829 A CN114045829 A CN 114045829A CN 202111354005 A CN202111354005 A CN 202111354005A CN 114045829 A CN114045829 A CN 114045829A
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pile
transmission
sleeve
prefabricated pile
spiral
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CN202111354005.0A
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CN114045829B (en
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张东晖
赵晓阳
王倩
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China Third Metallurgical Group Co Ltd
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China Third Metallurgical Group Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/22—Placing by screwing down
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete

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

Abstract

The invention discloses a precast pile spiral construction device and a construction method, which comprises a customized precast pile, an external spiral blade, a spiral sleeve, a steering box, a speed reducer, a motor, a damping frame, a transmission platform, a hydraulic device, an expansion bracket, wheels, an operation carriage, a bearing platform, a precast pile, a transmission contact block and a conical pile head, and is characterized in that the bearing platform is connected and installed behind the operation carriage, the wheels are installed below the bearing platform, the hydraulic device and the expansion bracket are installed on the bearing platform, the transmission platform is installed at the top of the hydraulic device, the motor, the speed reducer and the steering box are sequentially installed on the transmission platform, the spiral sleeve is installed in the vertical direction of the steering box, the external spiral blade is processed outside the spiral sleeve, and the customized precast pile is placed inside the spiral sleeve, and the invention has the beneficial effects that: the prefabricated pile embedded depth control method is simple and convenient to operate, reduces loss of the prefabricated pile, improves utilization rate of the prefabricated pile, improves construction efficiency, shortens construction time, is not limited by site ground, and is deep in embedded depth.

Description

Spiral construction device and method for precast pile
Technical Field
The invention relates to the technical field of building construction, in particular to a precast pile spiral construction device and a construction method.
Background
In building construction, the concrete precast pile can be precast in a factory or a construction site, and is widely applied to large-scale building construction production due to the characteristics of saving construction time and improving construction efficiency due to batch production.
At present, a pile driver is generally adopted for drilling holes in the ground, and then the precast pile is pressurized and beaten into the position of the pile hole which is drilled in advance by the pile driver, so that the precast pile is easy to crack, break and other precast pile loss accidents in the construction of the precast pile, the construction time is prolonged, the construction task is heavy, the efficiency of the construction site is low, and the like.
Disclosure of Invention
The invention provides a precast pile spiral construction device and a construction method, aiming at solving a series of technical problems brought by the traditional precast pile construction, the invention uses a spiral sleeve to be sleeved outside a specially-made precast pile, and uses the outer spiral blade of the spiral sleeve to rotate and press down to send the precast pile to a preset-positioned precast hole.
In order to achieve the purpose, the invention adopts the following technical scheme:
a precast pile spiral construction device and a construction method comprise a customized precast pile, an external spiral blade, a spiral sleeve, a steering box, a speed reducer, a motor, a damping frame, a transmission platform, a hydraulic device, an expansion bracket, wheels, an operation carriage, a bearing platform, a precast pile, a transmission contact block and a conical pile head, wherein the rear part of the operation carriage is connected with the bearing platform, the wheels are arranged below the bearing platform and the operation carriage, the hydraulic device is arranged at the positive center of the bearing platform, the transmission platform is arranged at the top of the hydraulic device, the liftable expansion bracket is arranged below the transmission platform, the motor, the speed reducer and the steering box are sequentially arranged on the transmission platform from left to right, the damping frame is arranged between the motor and the transmission platform, the spiral sleeve is arranged in the vertical direction of the steering box, the external spiral blade is processed outside the spiral sleeve, the customization precast pile is placed to spiral sleeve's inside, and spiral sleeve and customization precast pile pass through the cooperation of lower part transmission contact piece contact, the customization precast pile constitute by precast pile, transmission contact piece and toper pile head.
The steering box is provided with a pair of bevel gears to form a 90-degree transmission structure.
The radius of the bottom surface of the conical pile head is 50mm larger than that of the bottom surface of the precast pile, and a transmission contact block is processed on the conical bottom surface.
The concrete construction method of the precast pile spiral construction device and the construction method comprises the following steps:
and S1, constructing a pile driving hole with a certain depth at the position where pile driving is designed in advance through a pile driver, and driving the precast pile spiral construction device to the pile driving position.
And S2, hoisting the customized precast pile, enabling the conical pile head to extend into the pile driving hole, and vertically positioning the customized precast pile at the pile driving hole.
S3, the hydraulic device and the expansion bracket are controlled to lift the transmission platform by operating the carriage, the spiral sleeve is sleeved outside the customized precast pile, and the transmission contact block on the lower plane of the spiral sleeve is in close contact with two raised right-angle surfaces of the transmission contact block at the lower part of the customized precast pile.
And S4, starting a motor, wherein the motor transmits torque to a speed reducer, the speed reducer transmits torque to a steering box, the steering box transmits torque to a spiral sleeve in the direction of 90 degrees through a bevel gear, the spiral sleeve rotates, an outer spiral blade cuts the foundation on the outer wall of the piling hole, and a hydraulic device downward applies downward pressure to the spiral sleeve to enable the spiral sleeve to cut downward.
And S5, after the spiral sleeve is cut to the designed burial depth of the precast pile, the motor rotates in the opposite direction, the spiral sleeve rotates in the opposite direction, the hydraulic device is lifted again, the spiral sleeve is separated from the customized precast pile due to the fact that the spiral sleeve and the customized precast pile are in contact transmission, the spiral sleeve is pulled out of a pile driving hole, and the customized precast pile is left at the designed pile position.
And S6, pouring concrete into the pile driving hole expanded in the pile driving process of the spiral sleeve to fill the expanded pile driving hole.
Compared with the prior art, the invention has the beneficial effects that:
1) precast pile spiral construction device simple structure, the flexible operation, the noise is little, and area is little, and customization precast pile processing is convenient, and machining efficiency is high.
2) The precast pile spiral construction reduces the loss of the precast pile, improves the utilization rate of the precast pile, improves the construction efficiency and shortens the construction time.
3) The precast pile spiral construction is flexible, can be moved to any place where precast piles need to be constructed, is not limited by the ground of the place, and is deeper in embedded depth and embedded well.
4) The prefabricated pile driving aperture is enlarged through spiral cutting, concrete is poured on the periphery of the customized prefabricated pile, the strength of the pile is improved, and the mechanical property of the foundation is improved.
Drawings
Fig. 1 is a schematic structural diagram of a precast pile spiral construction device and a construction method according to the present invention.
Fig. 2 is a schematic axial view of a precast pile spiral construction device and a construction method according to the present invention.
Fig. 3 is a schematic structural diagram of a precast pile spiral construction device and a construction method of the construction device according to the present invention.
Fig. 4 is a schematic diagram of a precast pile structure customized by the precast pile spiral construction device and the construction method of the invention.
In the figure: 1. customized precast pile 2, external spiral blade 3, spiral sleeve 4, steering box 5, speed reducer 6, motor 7, damping frame 8, transmission platform 9, hydraulic device 10, expansion bracket 11, wheel 12, operation compartment 13, bearing table 14, precast pile 15, transmission contact block 16 and conical pile head
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, 2, 3 and 4, a precast pile spiral construction device and a construction method thereof comprise customizing a precast pile 1, an external spiral blade 2, a spiral sleeve 3, a steering box 4, a speed reducer 5, a motor 6, a damping frame 7, a transmission platform 8, a hydraulic device 9, an expansion bracket 10, wheels 11, an operation carriage 12, a bearing platform 13, a precast pile 14, a transmission contact block 15 and a conical pile head 16, wherein the rear part of the operation carriage 12 is connected with and provided with the bearing platform 13, the wheels 11 are arranged below the bearing platform 13 and the operation carriage 12, the wheels 11 are flexible to move and can adapt to any ground condition, the hydraulic device 9 is arranged at the center of the bearing platform 13, the transmission platform 8 is arranged at the top of the hydraulic device 9, the liftable expansion bracket 10 is arranged below the transmission platform 8, the expansion bracket 10 supports the transmission platform 8, the hydraulic device 9 is responsible for lifting the transmission platform 8, the customized precast pile is characterized in that a motor 6, a speed reducer 5 and a steering box 4 are sequentially arranged on the transmission platform 8 from left to right, a damping frame 7 is arranged between the motor 6 and the transmission platform 8, a damping support 7 reduces vibration in the transmission process of the motor 6 and the speed reducer 5 so as to avoid influencing transmission of an inner circular bevel gear of the steering box 4, a spiral sleeve 3 is arranged in the vertical direction of the steering box 4, a conical gear is arranged in the steering box 4 for transmission, an input shaft and an output shaft are arranged at 90 degrees, a vertical output shaft is connected with the spiral sleeve 3, an outer spiral blade 2 is processed on the outer side of the spiral sleeve 3, the customized precast pile 1 is arranged in the spiral sleeve 3, the spiral sleeve 2 and the customized precast pile 1 are in contact fit through a lower transmission contact block 15, and the lower plane of the spiral sleeve 3 is in compression contact with the conical bottom surface of a conical pile head 16 of the customized precast pile 1 through gravity and the downward pressure of a hydraulic device, transmission contact piece 15 on the spiral sleeve 3 contacts the cooperation with 1 lower planar transmission contact piece 15 of customization precast pile, customization precast pile 1 constitute by precast pile 14, transmission contact piece 15 and toper pile head 16, spiral sleeve 3 outside processing external screw blade 2 enlarges the pile driving hole originally through the rotary cutting effect, exerts down force through hydraulic means 9, and the lower part toper pile head 16 of customization precast pile 1 is deepened downwards, and it is downthehole to change over into the pile driving with spiral sleeve 3 and customization precast pile 1, accomplishes the precast pile and puts into.
As shown in fig. 1 and 2, the steering box 4 has a pair of bevel gears forming a 90 ° transmission structure.
As shown in fig. 4, the radius of the bottom surface of the conical pile head 16 is 50mm larger than that of the precast pile 14, and a transmission contact block 15 is processed on the conical bottom surface.
The concrete construction method of the precast pile spiral construction device and the construction method comprises the following steps:
and S1, constructing a pile driving hole with a certain depth at the position where pile driving is designed in advance through a pile driver, and driving the precast pile spiral construction device to the pile driving position.
And S2, hoisting the customized precast pile 1, enabling the conical pile head 16 to extend into the pile driving hole, and vertically positioning the customized precast pile 1 at the pile driving hole.
S3, the hydraulic device 9 and the expansion bracket 10 are controlled by operating the carriage 12 to lift the transmission platform 8, the spiral sleeve 3 is sleeved outside the customized precast pile 1, and the transmission contact block 15 on the lower plane of the spiral sleeve 3 is in close contact with two protruding right-angle surfaces of the transmission contact block 15 at the lower part of the customized precast pile 1.
S4, starting a motor 6, wherein the motor 6 transmits torque to a speed reducer 5, the speed reducer 5 transmits torque to a steering box 4, the steering box 4 transmits torque to a spiral sleeve 3 in the 90-degree direction through a bevel gear, the spiral sleeve 3 rotates, an outer spiral blade 2 cuts the foundation of the outer wall of a piling hole, and a hydraulic device 9 downward applies downward pressure to the spiral sleeve 3 to enable the spiral sleeve 3 to cut downwards.
And S5, after the spiral sleeve 3 is cut to the designed burial depth of the precast pile, the motor 6 rotates in the reverse direction, the spiral sleeve 3 rotates in the reverse direction, the hydraulic device 9 is lifted again, the spiral sleeve 3 and the customized precast pile 1 are in contact transmission, the reverse lifting enables the spiral sleeve 3 to be separated from the customized precast pile 1, the spiral sleeve 3 is pulled out of a pile driving hole, and the customized precast pile 1 is left at the designed pile position.
And S6, pouring concrete into the pile driving hole expanded in the pile driving process of the spiral sleeve 3 to fill the expanded pile driving hole.
The following examples are carried out on the premise of the technical scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
As shown in fig. 1 and 2, a spiral sleeve 3, a steering box 4, a speed reducer 5, a motor 6, a shock absorption frame 7, a transmission contact block 8, a hydraulic device 9, an expansion bracket 10, wheels 11, an operation compartment 12 and a bearing platform 13 are installed together according to design requirements, and an outer spiral blade 2 is machined outside the spiral sleeve 3.
As shown in fig. 4, the customized precast pile 1 is processed, and the conical pile head 16 and the transmission contact block 15 are processed.
As shown in fig. 1, the customized precast pile 1 is vertically inserted into the pile hole at the predetermined driving hole position, the driving platform 8 is lifted, and the spiral sleeve 3 is installed outside the customized precast pile 1.
Starting motor 6, spiral sleeve 3 is rotatory downwards, will customize precast pile 1 rotatory squeeze into the pile hole of beating, and motor 6 counter-rotation drives spiral sleeve 3 counter-rotation upwards, and spiral sleeve 3 breaks away from with customization precast pile 1, and spiral sleeve 3 leaves the pile hole, and customization precast pile 1 stays in the pile hole.
Concrete is poured into the pile driving hole enlarged by the spiral sleeve 3, the customized precast pile 1 which is well driven in the pile driving hole is reinforced by the concrete, and the strength of the customized precast pile 1 is increased.
And starting the precast pile spiral construction device, and transferring to other pile driving hole positions to complete the pile driving work of the precast pile.
When the prefabricated pile embedded type construction method is used, the operation is simple and convenient, the loss of the prefabricated pile is reduced, the utilization rate of the prefabricated pile is improved, the construction efficiency is improved, the construction time is shortened, the prefabricated pile is not limited by the ground of a site, the embedded depth of the prefabricated pile is deeper, and the prefabricated pile is embedded well.

Claims (4)

1.一种预制桩螺旋施工装置及施工方法，包括定制预制桩、外螺旋刀片、螺旋套筒、转向箱、减速机、电机、减震机架、传动平台、液压装置、伸缩架、车轮、操作车厢、承重台、预制桩、传动接触块、锥形桩头，其特征在于,所述的操作车厢后连接安装承重台，承重台和操作车厢下面安装车轮，承重台的正中心位置安装液压装置，液压装置的顶部安装传动平台，液压装置的四周，传动平台之下安装可升降的伸缩架，所述的传动平台上依次从左到右安装电机、减速机和转向箱，所述的减震机架安装在电机与传动平台之间，转向箱的垂直方向安装螺旋套筒，所述的螺旋套筒外侧加工外螺旋刀片，螺旋套筒的内部放置定制预制桩，螺旋套筒和定制预制桩通过下部传动接触块接触配合，所述的定制预制桩由预制桩、传动接触块和锥形桩头组成。1. A prefabricated pile screw construction device and construction method, comprising a customized prefabricated pile, an outer screw blade, a screw sleeve, a steering box, a reducer, a motor, a shock absorbing frame, a transmission platform, a hydraulic device, a telescopic frame, a wheel, The operating carriage, the load-bearing platform, the prefabricated pile, the transmission contact block and the conical pile head are characterized in that a load-bearing platform is connected to the rear of the operating carriage, wheels are installed under the load-bearing platform and the operating carriage, and a hydraulic pressure is installed in the center of the bearing platform. A transmission platform is installed on the top of the hydraulic device. Around the hydraulic device, a liftable telescopic frame is installed under the transmission platform. The motor, reducer and steering box are installed on the transmission platform in turn from left to right. The vibration frame is installed between the motor and the transmission platform, the helical sleeve is installed in the vertical direction of the steering box, the outer helical blade is processed on the outside of the helical sleeve, and the inside of the helical sleeve is placed with custom prefabricated piles, helical sleeves and custom prefabricated The pile is contacted and matched by the lower transmission contact block, and the customized prefabricated pile is composed of a prefabricated pile, a transmission contact block and a conical pile head. 2.根据权利要求1所述的一种预制桩螺旋施工装置及施工方法，其特征在于,所述的转向箱有一对圆锥齿轮组成90°传动结构。2. A prefabricated pile screw construction device and construction method according to claim 1, wherein the steering box has a pair of bevel gears to form a 90° transmission structure. 3.根据权利要求1所述的一种预制桩螺旋施工装置及施工方法，其特征在于,所述的锥形桩头底面半径比预制桩的底面半径大50mm，锥形底面上加工传动接触块。3. A prefabricated pile screw construction device and construction method according to claim 1, wherein the radius of the bottom surface of the conical pile head is 50mm larger than the radius of the bottom surface of the prefabricated pile, and the transmission contact block is processed on the conical bottom surface. . 4.根据权利要求1所述的一种预制桩螺旋施工装置及施工方法，其特征在于,所述的一种预制桩螺旋施工装置及施工方法的具体施工方法如下：4. a kind of prefabricated pile screw construction device and construction method according to claim 1, is characterized in that, the concrete construction method of described a kind of prefabricated pile screw construction device and construction method is as follows: S1、在预先设计打桩的位置通过打桩机施工出一定深度的打桩孔，将预制桩螺旋施工装置驾驶到打桩位置。S1. Construct piling holes of a certain depth through a piling machine at the pre-designed piling position, and drive the prefabricated pile screw construction device to the piling position. S2、将定制预制桩吊起，锥形桩头伸入到打桩孔内，定制预制桩垂直定位在打桩孔位置。S2. The custom prefabricated pile is hoisted, the tapered pile head is inserted into the piling hole, and the custom prefabricated pile is vertically positioned at the position of the piling hole. S3、通过操作车厢控制液压装置和伸缩架抬起传动平台，将螺旋套筒套在定制预制桩外，螺旋套筒的下平面上传动接触块和定制预制桩下部的传动接触块凸起两直角面紧密接触。S3. Lift the transmission platform by operating the carriage to control the hydraulic device and the telescopic frame, and put the screw sleeve outside the customized prefabricated pile. The transmission contact block on the lower plane of the screw sleeve and the transmission contact block at the lower part of the customized prefabricated pile are raised at two right angles face in close contact. S4、启动电机，电机传动转矩给减速机，减速机传动转矩给转向箱，转向箱通过圆锥齿轮传动给90°方向上的螺旋套筒，螺旋套筒旋转，外螺旋刀片切削打桩孔外壁地基，液压装置向下给螺旋套筒向下的压力，使得螺旋套筒向下切削。S4. Start the motor, the motor drives the torque to the reducer, the reducer drives the torque to the steering box, the steering box transmits the spiral sleeve in the 90° direction through the bevel gear, the spiral sleeve rotates, and the outer spiral blade cuts the outer wall of the piling hole On the foundation, the hydraulic device gives downward pressure to the screw sleeve, causing the screw sleeve to cut downward. S5、螺旋套筒切削到预制桩设计的埋深之后，电机反方向转动，螺旋套筒反方向旋转，液压装置重新提升，由于螺旋套筒和定制预制桩是接触传动，反向提升使得螺旋套筒与定制预制桩分离，螺旋套筒被拉出打桩孔，定制预制桩留在设计桩位置。S5. After the screw sleeve is cut to the depth of the prefabricated pile design, the motor rotates in the opposite direction, the screw sleeve rotates in the opposite direction, and the hydraulic device is lifted again. Since the screw sleeve and the customized prefabricated pile are contact transmission, the reverse lifting makes the screw sleeve The barrel is separated from the custom precast pile, the helical sleeve is pulled out of the piling hole, and the custom precast pile is left in the design pile position. S6、用混凝土浇筑进螺旋套筒打桩过程中扩大的打桩孔内，填补被扩大的打桩孔。S6. Pour concrete into the piling hole enlarged during the screw sleeve piling process to fill the enlarged piling hole.
CN202111354005.0A 2021-11-12 2021-11-12 Prefabricated pile spiral construction device and construction method Active CN114045829B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006207161A (en) * 2005-01-26 2006-08-10 Jfe Steel Kk Construction method of prefabricated pile
CN102286977A (en) * 2011-07-12 2011-12-21 周建 Rotary drilling precast pile machine and construction method thereof
CN105735248A (en) * 2016-03-14 2016-07-06 中冶成都勘察研究总院有限公司 Construction method for guaranteeing that pile end of prefabricated pile enters bearing layer and improving bearing force
CN108086304A (en) * 2017-11-30 2018-05-29 华南农业大学 Excavator pile sinking mechanical interface and pile sinking process
CN109695245A (en) * 2019-01-17 2019-04-30 福建省大地管桩有限公司 The bitubular is exempted to beat tubular pole and lower stake device
CN217267457U (en) * 2021-11-12 2022-08-23 中国三冶集团有限公司 Precast pile spiral construction equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006207161A (en) * 2005-01-26 2006-08-10 Jfe Steel Kk Construction method of prefabricated pile
CN102286977A (en) * 2011-07-12 2011-12-21 周建 Rotary drilling precast pile machine and construction method thereof
CN105735248A (en) * 2016-03-14 2016-07-06 中冶成都勘察研究总院有限公司 Construction method for guaranteeing that pile end of prefabricated pile enters bearing layer and improving bearing force
CN108086304A (en) * 2017-11-30 2018-05-29 华南农业大学 Excavator pile sinking mechanical interface and pile sinking process
CN109695245A (en) * 2019-01-17 2019-04-30 福建省大地管桩有限公司 The bitubular is exempted to beat tubular pole and lower stake device
CN217267457U (en) * 2021-11-12 2022-08-23 中国三冶集团有限公司 Precast pile spiral construction equipment

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