CN217421098U - Clear hole device of bored pile - Google Patents

Clear hole device of bored pile Download PDF

Info

Publication number
CN217421098U
CN217421098U CN202220812456.8U CN202220812456U CN217421098U CN 217421098 U CN217421098 U CN 217421098U CN 202220812456 U CN202220812456 U CN 202220812456U CN 217421098 U CN217421098 U CN 217421098U
Authority
CN
China
Prior art keywords
driving
bottom opening
arc
slag
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220812456.8U
Other languages
Chinese (zh)
Inventor
佟晓冬
陶耀华
庄凤明
陈圣杰
毛云波
高榕
黄银远
张浩平
杨颖�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC First Highway Fifth Engineering Co Ltd
Original Assignee
CCCC First Highway Fifth Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC First Highway Fifth Engineering Co Ltd filed Critical CCCC First Highway Fifth Engineering Co Ltd
Priority to CN202220812456.8U priority Critical patent/CN217421098U/en
Application granted granted Critical
Publication of CN217421098U publication Critical patent/CN217421098U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The utility model discloses a hole cleaning device for a drilling pile, wherein a slag drawing barrel comprises a top sealing structure and a bottom opening, a connecting piece is arranged on the top sealing structure, a slag storage cavity connected with the bottom opening is arranged inside the slag drawing barrel, and a cleaning component opposite to a hole wall is arranged on the side wall of the slag drawing barrel; the sealing assembly comprises a plurality of sealing plates, an accommodating cavity is formed in the side wall of the bottom opening, and the sealing plates are movably connected in the accommodating cavity; the driving assembly comprises a driving piece and a transmission piece, the driving piece is arranged in the slag removing barrel, the transmission piece and the sealing plate are correspondingly arranged, and the transmission piece can receive the driving of the driving piece to enable the sealing plate to have an opening state for opening the bottom opening and a closing state for closing the bottom opening. The utility model provides a clear hole device of bored pile, the sediment with in the bored hole that can be convenient takes out, easy operation, and clearance exhaust sediment volume is many at every turn, effectively promotes the efficiency in clear hole.

Description

Clear hole device of bored pile
Technical Field
The utility model relates to a bored concrete pile construction technical field especially relates to a clear hole device of bored concrete pile.
Background
The cast-in-place pile system is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering site, placing a reinforcement cage and cast-in-place concrete in the pile hole, and the cast-in-place pile can be divided into a immersed tube cast-in-place pile, a cast-in-place pile and a cast-in-place pile according to different hole forming methods.
The cast-in-situ bored pile needs to be cleaned before concrete pouring, and the purpose of cleaning the hole is to clean drilling slag and a sediment layer, reduce the thickness of sediment at the bottom of the hole and prevent the pile bottom from retaining over-thick sediment to reduce the bearing capacity of a pile foundation. Secondly, hole cleaning is to reduce the density and the sand content of slurry in holes, reduce the permeability coefficient of the slurry to other substances and effectively separate poured concrete from the slurry so as to ensure the design strength of the concrete.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a clear hole device of bored pile to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
a bored pile hole cleaning device, comprising:
the slag removing device comprises a slag removing barrel, wherein the slag removing barrel comprises a top sealing structure and a bottom opening, a connecting piece is arranged on the top sealing structure, a slag storage cavity connected with the bottom opening is formed in the slag removing barrel, and a cleaning assembly opposite to the hole wall is arranged on the side wall of the slag removing barrel;
the sealing assembly comprises a plurality of sealing plates, an accommodating cavity is formed in the side wall of the bottom opening, and the sealing plates are movably connected in the accommodating cavity;
the driving component comprises a driving piece and a transmission piece, the driving piece is arranged in the slag removing barrel, the transmission piece is arranged corresponding to the sealing plate, and the transmission piece can receive the driving of the driving piece so that the sealing plate has an opening state for opening the bottom opening and a closing state for closing the bottom opening.
In the hole cleaning device for the bored pile, the sealing plate comprises a plurality of arc-shaped plates, the accommodating cavity comprises an annular cavity surrounding the bottom opening, and the arc-shaped plates are arranged at intervals along the circumferential direction of the annular cavity.
Foretell bored pile clear hole device, the driving piece includes actuating lever and rotary drive plate, rotary drive plate rotates to be connected in the annular cavity, be connected with driving motor on the actuating lever, the output of actuating lever is connected with drive gear, be provided with sawtooth portion on the rotary drive plate, sawtooth portion with drive gear meshes mutually.
Foretell bored pile clear hole device, the driving medium includes the transmission connecting rod, arc one side is passed through the axis of rotation and is rotated and connect in the annular cavity, the one end of transmission connecting rod with the opposite side of arc is connected, the other end of transmission connecting rod with rotatory drive plate rotates and is connected, rotatory drive plate rotates and can correspond the drive the transmission connecting rod with the arc rotates.
Foretell bored pile clear hole device, rotatory drive plate is provided with a plurality of arc open slots along circumference, the correspondence is provided with a plurality of slip restriction poles in the annular chamber, the slip restriction of slip restriction pole one-to-one is in the arc open slot.
Foretell hole cleaning device for bored pile, it includes a plurality of wedge plates to wash the subassembly, and is a plurality of the wedge plate is followed draw out the circumference interval setting of sediment barrel.
The hole cleaning device for the bored pile further comprises arc-shaped connecting parts, wherein the arc-shaped connecting parts are arranged between the annular cavity and the bottom opening and between the annular cavity and the slag storage cavity.
The hole cleaning device for the bored pile further comprises water permeable holes, and a plurality of water permeable holes are formed in each arc-shaped plate.
In the technical scheme, the utility model provides a clear hole device of bored pile has following beneficial effect:
the utility model provides a clear hole device of bored pile, including drawing the sediment barrel, seal assembly and drive assembly, draw and be provided with the clearance subassembly relative with the pore wall on the lateral wall of sediment barrel, be convenient for carry sediment such as dregs, silt and rubble to the sediment intracavity through the clearance subassembly, the bottom opening is opened or closed in seal assembly acceptable drive assembly's drive, thereby the convenient sediment that will bore takes out, the sediment discharge with the sediment intracavity that also can be smooth, and easy operation, the clearance discharged sediment volume is many at every turn, can effectively promote the efficiency of clearing the hole, reach the standard of clearing the hole.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural view of a hole cleaning device for a bored pile according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a slag storage cavity of the tank body provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sealing assembly according to an embodiment of the present invention.
Description of reference numerals:
1. taking out a slag cylinder; 1.1, opening the bottom; 1.2, a slag storage cavity; 1.3, an accommodating cavity; 1.4, an arc-shaped connecting part; 2. cleaning the assembly; 2.1, a wedge-shaped plate; 3. a seal assembly; 3.1, sealing plates; 3.2, an arc-shaped plate; 3.3, water permeable holes; 4. a drive assembly; 4.1, driving the rod; 4.2, driving a gear; 4.3, rotating the driving plate; 4.4, a sawtooth part; 4.5, a transmission connecting rod; 4.6, arc open slot; 4.7, a sliding limiting rod.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 1-4, an embodiment of the utility model provides a hole cleaning device for drilled piles, which comprises a slag removing cylinder 1, a sealing component 3 and a driving component 4, wherein the slag removing cylinder 1 comprises a top sealing structure and a bottom opening 1.1, the top sealing structure is provided with a connecting piece, a slag storage cavity 1.2 connected with the bottom opening 1.1 is arranged inside the slag removing cylinder 1, and a cleaning component 2 opposite to a hole wall is arranged on a side wall of the slag removing cylinder 1; the sealing assembly 3 comprises a plurality of sealing plates 3.1, an accommodating cavity 1.3 is formed in the side wall of the bottom opening 1.1, and the sealing plates 3.1 are movably connected in the accommodating cavity 1.3; the driving component 4 comprises a driving piece and a transmission piece, the driving piece is arranged in the slag removing barrel 1, the transmission piece and the sealing plate 3.1 are correspondingly arranged, and the transmission piece can receive the driving of the driving piece to enable the sealing plate 3.1 to have an opening state for opening the bottom opening 1.1 and a closing state for closing the bottom opening 1.1.
Specifically, the slag picking barrel 1 is cylindrical, the top sealing structure is arranged at the top of the slag picking barrel 1, the bottom opening 1.1 is arranged at the bottom of the slag picking barrel 1, the radial dimension of the slag picking barrel 1 corresponds to the size of a drilled hole, in order to avoid the damage to the hole wall caused by the slag picking barrel 1 in the operation process, a certain gap is arranged between the outer side wall of the slag picking barrel 1 and the hole wall of the drilled hole, the top of the slag picking barrel 1 is also provided with a fixed connection structure which can be connected with a drill rod through the fixed connection structure, the slag picking barrel 1 is conveyed into the drilled hole through the drill rod for hole cleaning operation, the hole drilling pile hole cleaning device can also be provided with a driving rod body matched with the slag picking barrel 1, the slag picking barrel 1 is driven through the driving rod body so as to realize the hole cleaning operation along the up and down movement of the drilled hole, the bottom of the slag picking barrel 1 is provided with a conical part, the bottom opening 1.1 is arranged on the conical part, draw inside cavity formation storage sediment chamber 1.2 of sediment barrel 1, storage sediment chamber 1.2 is connected with bottom opening 1.1, so the downthehole dregs of drilling, silt and rubble etc. can enter into storage sediment chamber 1.2 through bottom opening 1.1 in, lateral wall drawing sediment barrel 1 is provided with clearance subassembly 2, clearance subassembly 2 is including setting up a plurality of bar boards, the bar board can be followed vertical direction and set up, also can incline the setting, a plurality of bar boards set up along the circumference interval of drawing sediment barrel 1 in proper order, when drawing sediment barrel 1 along drilling decline in-process, the drilling rod or the drive body of rod can be drawn sediment barrel 1 rotatory corresponding the drive, 1 rotation of sediment barrel can make draw the dregs of bar board in with the drilling, the central point that drilling was stirred to silt and rubble etc. so be convenient for dregs, silt and rubble etc. enter into storage sediment chamber 1.2 through bottom opening 1.1.
In this embodiment, the driving assembly 4 is correspondingly connected to the sealing assembly 3, the sealing assembly 3 is used for opening or closing the bottom opening 1.1, the sealing assembly 3 includes a plurality of sealing plates 3.1, the sealing plates 3.1 may be arc-shaped or fan-shaped, a receiving cavity 1.3 is disposed at the bottom of the slag removing barrel 1, the receiving cavity 1.3 surrounds the bottom opening 1.1, that is, the receiving cavity 1.3 is an annular cavity, the sealing plates 3.1 are movably connected in the receiving cavity 1.3, the sealing plates 3.1 may be slidably connected in the receiving cavity 1.3 or rotatably connected in the receiving cavity 1.3, the driving assembly 4 includes a plurality of driving members, each sealing plate 3.1 is connected to a driving member, the driving member may be a gear assembly, a connecting rod or other structure, each driving member may receive the driving of the driving member to realize the synchronous motion, each driving member may correspondingly drive each sealing plate 3.1 to have an open state and a closed state, in the open state, each sealing plate 3.1 is respectively collected to the inside of the containing cavity 1.3, the bottom opening 1.1 is communicated with the slag storage cavity 1.2 at the moment, and in the closed state, each sealing plate 3.1 jointly seals the bottom opening 1.1, so that the slag soil, the silt, the broken stones and the like are stored in the slag storage cavity 1.2.
The embodiment of the utility model provides a clear hole device of bored pile, including drawing sediment barrel 1, seal assembly 3 and drive assembly 4, draw and be provided with the clearance subassembly 2 relative with the pore wall on the lateral wall of sediment barrel 1, be convenient for with dregs on the lateral wall of sediment barrel 1 through clearance subassembly 2, sediment such as silt and rubble are carried to storing up in the sediment chamber 1.2, bottom opening 1.1 is opened or closed in the drive of the acceptable drive assembly 4 of seal assembly 3, thereby the convenient sediment that will be in the drilling takes out, the sediment discharge that will store up in the sediment chamber 1.2 that also can be smooth, and easy operation, the sediment volume of clearance discharge is many at every turn, can effectively promote the efficiency of clear hole, reach the standard of clear hole.
In this embodiment, preferred, closing plate 3.1 includes a plurality of arcs 3.2, holds chamber 1.3 including the annular chamber that encircles bottom opening 1.1 setting, and a plurality of arcs 3.2 set up along the circumference interval of annular chamber, and arc 3.2 rotates to be connected in holding chamber 1.3, and in the open mode, each arc 3.2 can be collected to the annular chamber in, and in the closed mode, a plurality of arcs 3.2 can make up each other and seal bottom opening 1.1.
In this embodiment, preferably, the driving member includes a driving rod 4.1 and a rotary driving plate 4.3, the rotary driving plate 4.3 is rotatably connected in the annular cavity, the driving rod 4.1 is connected with a driving motor, an output end of the driving rod 4.1 is connected with a driving gear 4.2, the rotary driving plate 4.3 is provided with a sawtooth portion 4.4, and the sawtooth portion 4.4 is meshed with the driving gear 4.2; rotatory drive plate 4.3 is an annular plate, bottom at the annular plate can be provided with annular restriction strip, can be provided with annular restriction groove in the annular cavity, annular restriction strip rotates to be connected in annular restriction inslot, 4.4 sawtooth parts can the circumference setting of annular plate, drawing 1 inside installation cavity that is provided with of sediment barrel, driving motor sets up in the installation cavity, so after drawing sediment barrel 1 along drilling motion to suitable position, driving motor can drive actuating lever 4.1 and drive gear 4.2, thereby make rotatory drive plate 4.3 rotate, rotatory drive plate 4.3 makes each arc 3.2 seal bottom opening 1.1 through the driving medium.
In this embodiment, preferably, the transmission member includes a transmission link 4.5, one side of the arc-shaped plate 3.2 is rotatably connected in the annular cavity through a rotation shaft, one end of the transmission link 4.5 is connected with the other side of the arc-shaped plate 3.2, the other end of the transmission link 4.5 is rotatably connected with the rotary drive plate 4.3, and the rotary drive plate 4.3 can correspondingly drive the transmission link 4.5 and the arc-shaped plate 3.2 to rotate; each arc-shaped plate 3.2 is correspondingly provided with a transmission connecting rod 4.5, the transmission connecting rods 4.5 are arranged on the inner side of the rotary driving plate 4.3, and when the rotary driving plate 4.3 is driven to move in the annular cavity, the rotary driving plate 4.3 correspondingly drives each transmission connecting rod 4.5 and each arc-shaped plate 3.2 to move correspondingly, so that the arc-shaped plates 3.2 are switched between an opening state and a closing state.
In this embodiment, preferably, the rotary drive plate 4.3 is provided with a plurality of arc-shaped open slots 4.6 along the circumferential direction, a plurality of sliding limiting rods 4.7 are correspondingly arranged in the annular cavity, and the sliding limiting rods 4.7 are limited in the arc-shaped open slots 4.6 in a sliding manner; slide limit lever 4.7 fixed connection is on the annular chamber, the top of slide limit lever 4.7 stretches out from arc open slot 4.6 and is connected with sealed head, the length of arc open slot 4.6 satisfies rotary drive plate 4.3's motion stroke, can make arc 3.2 switch between open mode and closed condition promptly, can restrict rotary drive plate 4.3's operation through slide limit lever 4.7 and arc open slot 4.6, avoid rotary drive plate 4.3 skew to appear in the motion process.
In this embodiment, it is preferred, the cleaning assembly includes a plurality of wedge boards 2.1, a plurality of wedge boards 2.1 set up along the circumference interval of drawing sediment barrel 1, each wedge board 2.1 can be followed the axis direction setting of drawing sediment barrel 1, each wedge board 2.1 also can be with the axis direction of drawing sediment barrel 1 and be certain contained angle setting, when drawing sediment barrel 1 rotation type decline, each wedge can be with the central point that the drilling was dialled to dregs, silt and rubble etc. of drilling week side put, thereby be convenient for dregs, silt and rubble are carried to storing up in the sediment chamber 1.2.
In this embodiment, preferably, the slag container further comprises arc-shaped connecting parts 1.4, and the arc-shaped connecting parts 1.4 are arranged between the annular cavity and the bottom opening 1.1 and between the annular cavity and the slag storage cavity 1.2; bottom opening 1.1 inwards extends from the bottom of drawing sediment barrel 1 and forms bottom opening 1.1 passageway, bottom opening 1.1 passageway is connected with storage sediment chamber 1.2, the annular chamber sets up on the lateral wall of bottom opening 1.1 passageway, the bottom opening 1.1 passageway of annular chamber upside forms arc connecting portion 1.4, arc connecting portion 1.4 under the bottom opening 1.1 passageway of annular chamber downside forms, make the dregs through last arc connecting portion 1.4 and arc connecting portion 1.4 down, transport to storage sediment chamber 1.2 that silt and rubble can be convenient in, also make the dregs simultaneously, output in silt and rubble can be convenient from storage sediment chamber 1.2.
In this embodiment, preferably, the water-permeable plate further includes water-permeable holes 3.3, and each arc-shaped plate 3.2 is provided with a plurality of water-permeable holes 3.3; a plurality of holes 3.3 intervals of permeating water set up on arc 3.2, make the water in dregs, silt and the rubble flow in can following the hole 3.3 of permeating water through setting up the hole 3.3 of permeating water, alleviate and draw out the weight that sediment barrel 1 promoted the in-process.
In the embodiment, when the slag extractor is used, firstly, each arc-shaped plate 3.2 is driven to be in an open state through the driving motor and the driving rod 4.1, the slag extractor body 1 is conveyed through the drill rod or the driving rod 4.1, so that the slag extractor body 1 descends in a rotary mode in a drill hole, each wedge-shaped block can shift soil, silt, broken stones and the like on the peripheral side of the drill hole to the central position of the drill hole in the descending process, the soil, the silt and the broken stones gradually enter the slag storage cavity 1.2 from the bottom opening 1.1, after the slag extractor body 1 descends to a proper position, the soil, the silt and the broken stones are stored in the slag storage cavity 1.2, the driving motor is controlled to work, so that each arc-shaped plate 3.2 moves to be in a closed state, the slag storage cavity 1.2 is closed, then, the slag extractor body 1 is lifted out of the drill hole to be in a slag extraction position through the drill rod or the driving rod 4.1, and the driving rod 3.2 moves to be in an open state, the slag soil, the silt and the broken stones fall to a slag discharging position from the slag storage cavity 1.2, then the next hole cleaning and slag discharging operation can be carried out, and the steps are repeated in a circulating mode until the cleaning of the drilled holes is finished.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims (8)

1. A clear hole device of bored pile, its characterized in that includes:
the slag removing device comprises a slag removing barrel, wherein the slag removing barrel comprises a top sealing structure and a bottom opening, a connecting piece is arranged on the top sealing structure, a slag storage cavity connected with the bottom opening is formed in the slag removing barrel, and a cleaning assembly opposite to the hole wall is arranged on the side wall of the slag removing barrel;
the sealing assembly comprises a plurality of sealing plates, an accommodating cavity is formed in the side wall of the bottom opening, and the sealing plates are movably connected in the accommodating cavity;
the driving component comprises a driving piece and a transmission piece, the driving piece is arranged in the slag removing barrel, the transmission piece is arranged corresponding to the sealing plate, and the transmission piece can receive the driving of the driving piece so that the sealing plate has an opening state for opening the bottom opening and a closing state for closing the bottom opening.
2. The apparatus according to claim 1, wherein the sealing plate comprises a plurality of arcuate plates, the receiving cavity comprises an annular cavity disposed around the bottom opening, and the plurality of arcuate plates are spaced circumferentially of the annular cavity.
3. The bored pile hole cleaning device according to claim 2, wherein the driving member includes a driving rod and a rotary driving plate, the rotary driving plate is rotatably connected in the annular cavity, the driving rod is connected with a driving motor, the output end of the driving rod is connected with a driving gear, the rotary driving plate is provided with a serration portion, and the serration portion is engaged with the driving gear.
4. The hole cleaning device for the bored pile according to claim 3, wherein the transmission member includes a transmission link, one side of the arc-shaped plate is rotatably connected in the annular cavity through a rotation shaft, one end of the transmission link is connected to the other side of the arc-shaped plate, the other end of the transmission link is rotatably connected to the rotary drive plate, and the rotary drive plate is capable of correspondingly driving the transmission link and the arc-shaped plate to rotate.
5. The bored pile hole cleaning device according to claim 4, wherein the rotary drive plate is provided with a plurality of arc-shaped open slots along the circumferential direction, a plurality of sliding limiting rods are correspondingly arranged in the annular cavity, and the sliding limiting rods are slidably limited in the arc-shaped open slots in a one-to-one correspondence manner.
6. The apparatus according to claim 1, wherein the cleaning assembly comprises a plurality of wedge-shaped plates, and the plurality of wedge-shaped plates are arranged at intervals along the circumference of the slag removing cylinder.
7. The bored pile hole cleaning device according to claim 5, further comprising arc-shaped connecting portions, wherein the arc-shaped connecting portions are provided between the annular cavity and the bottom opening and between the annular cavity and the slag storage cavity.
8. A bored pile hole cleaning device according to claim 7, further comprising water permeable holes, each of the arc-shaped plates being provided with a plurality of the water permeable holes.
CN202220812456.8U 2022-04-07 2022-04-07 Clear hole device of bored pile Active CN217421098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220812456.8U CN217421098U (en) 2022-04-07 2022-04-07 Clear hole device of bored pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220812456.8U CN217421098U (en) 2022-04-07 2022-04-07 Clear hole device of bored pile

Publications (1)

Publication Number Publication Date
CN217421098U true CN217421098U (en) 2022-09-13

Family

ID=83183939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220812456.8U Active CN217421098U (en) 2022-04-07 2022-04-07 Clear hole device of bored pile

Country Status (1)

Country Link
CN (1) CN217421098U (en)

Similar Documents

Publication Publication Date Title
CN105780761A (en) Extrusion soil mass full-thread cast-in-place pile machine and pile forming method thereof
CN210369086U (en) Vehicle-mounted dredging machine
CN217421098U (en) Clear hole device of bored pile
CN102605788A (en) Double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and application
CN216275687U (en) Dredging device for cast-in-situ bored pile
CN212003125U (en) Device for cleaning sludge in pile core of PHC prefabricated pipe pile
CN207294573U (en) One kind building sewage-mud processing unit
CN209586292U (en) A kind of spiral is at hole drill tool
CN210140824U (en) Secant pile construction structure matched with meat and vegetables
CN112900420B (en) Tree root pile construction device
CN206647046U (en) A kind of PHC pipe piles core device native clearly
CN109723393A (en) A kind of spiral is at hole drill tool and bore forming method
CN202530447U (en) Bored cast-in-place pile structure formed by sinking double pipes and drawing inner pipe
CN215211054U (en) Novel foundation pit supporting pile
CN112796321A (en) Construction engineering is with clear native machine in on-spot stake hole
CN210621794U (en) Automatic hanging and unloading device at top of punching and grabbing machine
CN101748751B (en) Landfill gas gas-collecting shaft construction method
CN106480877A (en) The pile making method of pipe sinking pressure grouting composite pile
CN105040700A (en) Equipment for removing sediments in small-diameter pipe pile and application method thereof
CN220201136U (en) Multi-type self-discharging bucket
CN219765187U (en) Grouting machine for construction
CN215471979U (en) Tubular pile production unloading auxiliary device
CN116516941B (en) Construction device and method for mechanical excavation pile plate wall
CN219386313U (en) High-efficient desilting device in bored concrete pile hole
CN110219331B (en) Vehicle-mounted dredging machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant