CN213448446U - Tubular pile lengthening device mounted on tower for building pile construction - Google Patents
Tubular pile lengthening device mounted on tower for building pile construction Download PDFInfo
- Publication number
- CN213448446U CN213448446U CN202022034645.0U CN202022034645U CN213448446U CN 213448446 U CN213448446 U CN 213448446U CN 202022034645 U CN202022034645 U CN 202022034645U CN 213448446 U CN213448446 U CN 213448446U
- Authority
- CN
- China
- Prior art keywords
- tower
- pile
- construction
- chain
- turntable
- 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
Links
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a pipe pile lengthening device arranged on a tower for building pile construction, which comprises a rotary bracket telescopically arranged on a turntable fixed with the tower, wherein a pile gripper which grips and is in sliding fit on a vertical guide rail on the outer circumference of the tower is arranged above the rotary bracket, and the upper end and the lower end of the pile gripper are connected with a chain or a steel wire rope of a hoisting device and can be pulled by the hoisting device; the rotating bracket is in sliding fit with a pressing frame which is arranged on a turntable at the bottom end of the tower in the radial direction and is also used as a guide rail, the inner end of the rotating bracket is connected with the free end of a piston rod of a horizontal oil cylinder which drives the rotating bracket to extend out of the turntable or retract into the turntable, and the horizontal oil cylinder is arranged on the turntable in the tower. This tubular pile connects long device enables the tubular pile and is the vertical rotation and can carry out the welding of lengthening of upper and lower tubular pile at drilling pile planting equipment to can operate in drilling construction, the hoist engine that is equipped with the sprocket can have the function of planting the stake device concurrently with the pile gripper.
Description
Technical Field
The utility model relates to a building pile foundation construction technical field specifically says to a tubular pile of installing on pylon of building pile construction usefulness connects long device.
Background
In the construction pile foundation construction technical field, it generally goes on the professional equipment outside the stake machine to lengthen two tubular piles as the welding, the tubular pile is generally the level to placing, and driven level to rotating and adopt manual welding or special welding machine welding, the tubular pile of prior art is lengthened equipment and can not use on drilling and is planted a stake equipment, also can not make the tubular pile be the vertical state and rotate, make among the tubular pile of prior art is lengthened the welding work progress, the equipment requirements such as the transportation of tubular pile and the tonnage that lifts by crane are high, after drilling, the construction link up before planting the stake is not smooth and easy, required construction site area requires great, more narrow construction site construction difficulty, the continuity of construction is not strong, construction efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an it connects long device to enable tubular pile equipment of planting drilling to be perpendicular to rotating and can carry out the long welding of upper and lower tubular pile, and can be in the tubular pile of installing on the pylon of building pile construction usefulness of the simultaneous operation of drilling construction to provide one kind.
The technical solution of the utility model is that, a tubular pile extension device on pylon of installing construction pile construction usefulness is provided, install the rotatory bracket on the carousel fixed with the pylon including telescopically, there is one to embrace and the outer vertical guide rail of the outer circumference of pylon and the pile gripper of sliding fit on vertical guide rail in the top of rotatory bracket, and the upper and lower end of every pile gripper all is connected with a chain or the wire rope of hoisting equipment and can be pulled by hoisting equipment.
After the structure above the adoption, the utility model discloses install tubular pile extension device on pylon of building pile construction usefulness has following advantage: the utility model discloses a tubular pile extension device can use on drilling pile planting equipment like the drilling pile extension pile planting all-in-one of the invention patent application of this common inventor's application on the same day, enables the tubular pile and is the vertical state rotation, has realized the butt joint of going on, lower tubular pile in step when drilling, and can install one set or two sets or three sets simultaneously etc. according to the total length of required tubular pile the utility model discloses tubular pile extension device to can be when drilling including the reaming construction, many sets of tubular pile extension device successively carry out tubular pile extension welding construction, or many sets of tubular pile extension device carry out tubular pile extension welding construction simultaneously. The requirements on equipment such as the transportation of the tubular pile and the tonnage of lifting are not high, the construction connection of drilling, lengthening the tubular pile and planting the pile is smooth, the area requirement of a required construction site is not large, the construction of a narrow construction site is still smooth, the continuity of construction is strong, the construction progress is fast, and the construction efficiency is high.
Furthermore, the rotating bracket is in sliding fit with a pressing frame which is arranged on a turntable at the bottom end of the tower in the radial direction and is also used as a guide rail, the inner end of the rotating bracket is connected with the free end of a piston rod of a horizontal oil cylinder which drives the rotating bracket to extend out of or retract into the outer side of the turntable, and the horizontal oil cylinder is arranged on the turntable in the tower. After the structure more than adopting, can guarantee that equipment when drilling and reaming, this tubular pile extension device extension welded construction's normal smooth going on, can be again when need planting the stake after boring the reaming completion, rotatory bracket noninterference, do not influence the construction of planting the stake. The structure has compact and reasonable design and convenient and reliable operation.
Furthermore, the rotary bracket comprises a supporting frame, a tubular pile radial limiting ring arranged in the supporting frame, a motor arranged in the supporting frame, and a rotating ring which is driven by the motor, supports the bottom of the tubular pile and rotates relative to the tubular pile radial limiting ring. After the structure is adopted, the device for rotating the tubular pile has a simple, compact and reasonable structure and a stable and reliable operation process.
Furthermore, the motor driving structure is that a gap is arranged on the outer circumference of the radial limiting ring, a gear or a worm wheel is arranged on a shaft of the motor, and the gear or the worm wheel is meshed with a gear ring on the outer circumference of the rotating ring through the gap to drive the gear ring to drive the rotating ring to rotate. After the structure is adopted, the driving device is high in reliability, stable and reliable in operation process and relatively low in failure rate.
Further, the hoisting equipment comprises first hoisting machines arranged on a turntable in the tower and chain wheel assemblies which correspond to each other in position and are arranged at the top end of the tower, a group of chain wheels on each chain wheel assembly is positioned above a central hole of the tower, the other group of chain wheels on each group of chain wheel assemblies are positioned above the outer side of the outer circumference of the tower, and each first hoisting machine is provided with two first hoisting wheels: the pile driving mechanism comprises a driving chain wheel fixed on a rotating shaft of a first winch motor and a driven chain wheel installed on a rack, wherein the positions of an inner chain wheel and an outer chain wheel on a chain wheel assembly at the top of the tower frame correspond to those of two first winch wheels, one end of each chain is fixed at the upper end of each pile gripper, the extended chain winds the two chain wheels of the first winch after winding the outer chain wheels and the inner chain wheels of each chain wheel assembly, and the other end of the chain stretches out of the outer side of the outer circumference of the bottom end of the tower frame and then is fixed with the lower end of each pile gripper. After adopting above structure, provide a concrete connection structure of hoisting equipment, the upper and lower position of hoist wheel and pulley corresponds basically, and every set of hoisting equipment does not take place to interfere each other. The connection structure of the hoisting equipment and the pile gripper without rotary driving force is simple and compact, relatively large driving force can be provided, and the hoisting equipment can flexibly, reliably and safely move up and down under the matching of each pair of vertical guide rails. Except hard soil, the pile planting of soft or neutral soil can be realized by the chain wheel chain type hoisting equipment matched with a pile gripper in a rotary welding device, so that a special pile pressing device can be saved, and the equipment cost is reduced.
Furthermore, the hoisting equipment comprises a second hoisting machine arranged on a turntable in the tower and pulley assemblies which correspond to each other in position and are arranged at the top end of the tower, one group of pulleys on each pulley assembly are positioned above a central hole of the tower, the other group of pulleys on each pulley assembly are positioned above the outer side of the outer circumference of the tower, one end of each steel wire rope is fixed at the upper end of the pile embracing device, the extended steel wire rope winds the outer and inner groups of pulleys of the pulley assemblies and then winds the second hoisting wheel, and the other end of each steel wire rope stretches out of the outer side of the outer circumference of the bottom end of the tower and then is fixed with the lower end of the pile embracing. After the structure is adopted, under the premise that a pile pressing device driven by an oil cylinder needs to be additionally arranged on harder soil, namely, the pile embracing device of the pipe pile extension device and the hoisting equipment have no pile pressing device, the hoisting equipment is compact in structure, small in occupied space, basically corresponds to the upper position and the lower position of the hoisting wheel and the pulley, each set of hoisting equipment does not interfere with each other, and the hoisting equipment is labor-saving to drive.
Furthermore, the central line of the rotary bracket and the central line of the central hole behind the pile gripper are on the same plumb line. After the structure is adopted, the concentricity of the lengthened and welded upper pipe pile and the lower pipe pile is better, and the verticality of the pipe pile implanted into the soil is better.
Drawings
Fig. 1 is the three-dimensional structure schematic diagram of the rotary bracket of the pipe pile lengthening device of the utility model when extending out of the outer circle of the turntable.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is a first schematic structural diagram of the hoist and the pressing frame also serving as the guide rail according to the present invention (the rotating bracket is in a retracted state).
Fig. 4 is a second schematic structural view (the rotary bracket is in a retracted state) of the hoisting machine and the pressing frame also serving as the guide rail according to the present invention.
Fig. 5 is a third schematic structural view (the rotary bracket is in a retracted state) of the hoisting machine and the pressing frame also serving as the guide rail according to the present invention.
Fig. 6 is a first three-dimensional structure schematic diagram of the pipe pile lengthening device of the utility model when being installed on a tower for construction pile construction.
Fig. 7 is the utility model discloses a spatial structure sketch map two when tubular pile extension device installs on the pylon of construction stake construction usefulness.
The pile driving device comprises a first hoisting machine 1, a first hoisting machine 2, a tower frame 3, a chain wheel 4, a chain wheel assembly 5, a vertical guide rail 6, a rotary table 7, a pressing frame which is also used as a guide rail 8, a rotary bracket 9, a motor 10, a tubular pile radial limiting ring 11, a rotary ring 12, a supporting frame 13, a first hoisting wheel 14, a horizontal oil cylinder 15, a tubular pile 16, a pile gripper 17 and an oil cylinder driven pile pressing device.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto. In addition, the technical means described in the embodiments of the present invention may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7:
the chassis of the drilling and pile planting equipment or the working platform is matched with a tower 2 of a circular truss structure which is fixed with a rotating disc 6 and is coaxial. In other words, the chassis is provided with a rotating disc 6 which rotates relative to the chassis, and the rotating disc 6 is fixed with a circular truss structure tower 2 which is coaxial with the rotating disc 6, namely a circular cage-shaped tower. The tower frame 2 of the circular truss structure is a whole of the circular truss structure which is formed by welding a plurality of upright posts which penetrate through the height of the whole tower frame and a vertical guide rail 5 and an annular rod which is formed by a plurality of cross rods. In the figure the tower 2 is shown with radial protrusions at individual points on its outer circumference, but the whole tower 2 is still circular. The detailed structure of the tower can refer to the invention patent application which is filed on the same day by one of the common inventors and is named as a drilling, pile-splicing and pile-planting integrated machine and a construction method thereof.
The utility model discloses install tubular pile extension device on pylon of building pile construction usefulness, install the rotatory bracket 8 on the carousel 6 fixed with pylon 2 including telescopically, rotatory bracket 8's top has one to embrace and sliding fit at the outer vertical guide rail 5 of the outer circumference of pylon pile gripper 16. Namely, a pile gripper 16 which grips the vertical guide rail 5 of the outer circumference of the tower 2 and is slidably fitted on the vertical guide rail 5 is provided above the rotating bracket 8. Each pile gripper 16 grips and is a sliding fit on a pair of vertical rails 5. The upper and lower ends of the pile gripper 16 are connected to a chain of a hoisting device or a wire rope (neither the wire rope nor the chain is shown in a chain diagram similar in structure to a bicycle chain; the same applies hereinafter) and can be pulled by the hoisting device. The specific construction of the pile gripper 16 is prior art and will not be described further herein.
The rotating bracket 8 is in sliding fit with a pressing frame 7 which is arranged on the rotary table 6 at the bottom end of the tower frame 2 in the radial direction and is also used as a guide rail, the inner end of the rotating bracket 8 is connected with the free end of a piston rod of a horizontal cylinder 14 for driving the rotating bracket 8 to extend out of the outer side of the rotary table or retract into the inner side of the rotary table in a hinged mode, and the horizontal cylinder 14 is arranged on the rotary table 6 in the tower frame 2. When the pile is planted in hard soil by adopting the pile pressing device 17 driven by the oil cylinder, the pile embracing device 16 and the tubular pile 15 are moved upwards by the hoisting equipment to be separated from the rotating bracket 8, then the horizontal oil cylinder 14 is started to retract the rotating bracket 8, and then the pile pressing device 17 driven by the oil cylinder is moved to the position under the tubular pile 15 to be planted by utilizing a horizontal linear driving device such as the horizontal oil cylinder, so that the pile planting can be started.
The rotary bracket 8 comprises a supporting frame 12, a tubular pile radial limiting ring 10 arranged in the supporting frame 12, a motor 9 arranged in the supporting frame 12, and a rotary ring 11 which is driven by the motor 9 and supports the bottom of a tubular pile 15 and rotates relative to the tubular pile radial limiting ring 10.
The motor driving structure may be that a notch is formed on the outer circumference of the radial limit ring, a gear or a worm wheel is arranged on a shaft of the motor, and the gear or the worm wheel is engaged with the gear ring on the outer circumference of the rotating ring through the notch to drive the gear ring to drive the rotating ring to rotate (not shown in the specific structure diagram).
The central line of the rotating bracket 8 and the central line of the central hole after pile holding of the pile gripper 16 are preferably on the same vertical line.
The pipe pile lengthening device can also be called a spin welding device. It is not difficult to understand that: the rotary welding device welds the upper and lower concentric tubular piles 15 at the butt joint position where the tubular piles are driven to rotate by the rotation of the rotating ring 11 and the upper and lower tubular piles 15 are welded at the same time.
The following is a specific embodiment of a hoisting device: the winch equipment comprises a first winch 1 arranged on a rotary table 6 in a tower frame 2 and chain wheel assemblies 4 which correspond in position and are arranged at the top end of the tower frame 2, wherein one group of chain wheels 3 on each group of chain wheel assemblies 4 are positioned above a central hole of the tower frame 2, and the other group of chain wheels 3 on each group of chain wheel assemblies 4 are positioned above the outer side of the outer circumference of the tower frame 2. Each first winch 1 is provided with two first hoisting wheels 13: a driving chain wheel fixed on the rotating shaft of the first winch motor and a driven chain wheel arranged on the frame, wherein two first winch wheels 13 correspond to the positions of the inner chain wheel 3 and the outer chain wheel 3 on the chain wheel component 4 at the top of the tower frame. One end of each chain is fixed at the upper end of each pile gripper 16, the extended chain winds around the two chain wheels of the first winch 1 after winding around the outer and inner two groups of chain wheels 3 of each group of chain wheel assemblies 4, and the other end of the chain extends out of the outer circumference of the bottom end of the tower 2 and is fixed with the lower end of each pile gripper 16.
The following is another specific embodiment of the hoisting device: the hoisting equipment comprises a second hoisting machine arranged on a turntable 6 in the tower frame 2 and pulley assemblies which correspond to each other in position and are arranged at the top end of the tower frame 2, one group of pulleys on each pulley assembly are positioned above a central hole of the tower frame 2, and the other group of pulleys on each pulley assembly are positioned above the outer side of the outer circumference of the tower frame 2. One end of each steel wire rope is fixed at the upper end of the pile embracing device 16, the extended steel wire rope winds the second hoisting wheel after winding the outer pulley group and the inner pulley group of the pulley assembly, generally winds the second hoisting wheel for a plurality of turns, and the other end of each steel wire rope extends out of the outer side of the outer circumference of the bottom end of the tower frame 2 and is fixed with the lower end of the pile embracing device 16. In order to make the operation of the steel wire rope smoother, a guide pulley (the second winch, the second winch wheel, the pulley assembly and the pulley are not marked in the drawing) can be additionally arranged on the turntable on the outer side of the outer circumference of the bottom end of the tower.
The central line of the rotary bracket 8 and the central line of the central hole after pile embracing of the pile embracing device 16 are on the same vertical line.
The above-described doubling may also be referred to as doubling. It is not difficult to understand, the utility model discloses install all spare parts that tubular pile on the pylon of building pile construction usefulness connects long device and be the steel preparation, like carousel, pylon, hoist engine, hoist wheel, sprocket, pulley etc..
The two sets of the pipe pile lengthening device are arranged on the tower for building pile construction.
The welding described above, i.e., the welding of the upper and lower tubular piles 15, may be performed manually. The device which is provided with the patent application number of 201910890662.3 and is named as pile planting butting alignment concentricity and automatic welding can be arranged on the pile pressing device 17 driven by the oil cylinder or on the outer circumference of the tower 2 above and below the pile embracing device 16, so that the welding of the upper pile and the lower pile is more convenient and quicker, the concentricity of the upper pile and the lower pile is better, and the verticality of the pipe pile buried in the soil is better.
For the utility model discloses install the drive arrangement in the tubular pile extension device on the pylon of building pile construction usefulness, control such as the motor of every hoist engine, all hydro-cylinders belongs to prior art, if can adopt CPU or call main control unit or call the operation center control of installing the intelligent control panel in the equipment rack. Of course, a push button switch or a remote switch control may be used.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (7)
1. The utility model provides an install tubular pile extension device on pylon of building pile construction usefulness which characterized in that: the pile embracing device comprises a rotary bracket (8) which is telescopically arranged on a turntable (6) fixed with a tower (2), a vertical guide rail (5) embracing the outer circumference of the tower is arranged above the rotary bracket (8) and is in sliding fit with the vertical guide rail (5), and the upper end and the lower end of each pile embracing device (16) are connected with a chain or a steel wire rope of hoisting equipment and can be dragged by the hoisting equipment.
2. The tubular pile extension device installed on a tower for construction of a building pile according to claim 1, characterized in that: the rotating bracket (8) is in sliding fit with a pressing frame (7) which is arranged on a turntable (6) at the bottom end of the tower (2) in the radial direction and is also used as a guide rail, the inner end of the rotating bracket (8) is connected with the free end of a piston rod of a horizontal directional oil cylinder (14) which drives the rotating bracket (8) to extend out of the outer side of the turntable or retract into the inner side of the turntable, and the horizontal directional oil cylinder (14) is arranged on the turntable (6) in the tower (2).
3. The tubular pile extension device installed on a tower for construction of a building pile according to claim 1, characterized in that: the rotary bracket (8) comprises a supporting frame (12), a tubular pile radial limiting ring (10) arranged in the supporting frame (12), a motor (9) arranged in the supporting frame (12), and a rotating ring (11) which is driven by the motor (9) and supports the bottom of a tubular pile (15) and rotates relative to the tubular pile radial limiting ring (10).
4. The tubular pile extension device installed on a tower for construction of a building pile according to claim 3, characterized in that: the motor driving structure is characterized in that a notch is formed in the outer circumference of the radial limiting ring, a gear or a worm wheel is arranged on a shaft of the motor, and the gear or the worm wheel is meshed with a gear ring on the outer circumference of the rotating ring through the notch to drive the gear ring to drive the rotating ring to rotate.
5. The tubular pile extension device installed on a tower for construction of a building pile according to claim 1, characterized in that: the winch equipment comprises a first winch (1) and chain wheel assemblies (4), wherein the first winch (1) is installed on a rotary disc (6) in a tower (2) and corresponds to the position of the chain wheel assemblies (4) and is arranged at the top end of the tower (2), a group of chain wheels (3) on each chain wheel assembly (4) are positioned above a central hole of the tower (2), another group of chain wheels (3) on each group of chain wheel assemblies (4) are positioned above the outer side of the outer circumference of the tower (2), and each first winch (1) is provided with two first winding wheels (13): the driving chain wheel is fixed on a rotating shaft of a first winch motor, the driven chain wheel is installed on a rack, the positions of the inner chain wheel (3) and the outer chain wheel (13) on the chain wheel component (4) at the top of the tower frame correspond to each other, one end of each chain is fixed at the upper end of each pile gripper (16), the extended chain winds the outer part of each chain wheel component (4), the inner two groups of chain wheels (3) and then winds the two chain wheels of the first winch (1), and the other end of the chain stretches out of the outer side of the outer circumference of the bottom end of the tower frame (2) and then is fixed with the lower end of each pile gripper (16).
6. The tubular pile extension device installed on a tower for construction of a building pile according to claim 1, characterized in that: the hoisting equipment comprises a second hoisting machine arranged on a turntable (6) in the tower (2) and pulley assemblies which correspond to each other in position and are arranged at the top end of the tower, one group of pulleys on each pulley assembly are positioned above a central hole of the tower, the other group of pulleys on each pulley assembly are positioned above the outer side of the outer circumference of the tower (2), one end of each steel wire rope is fixed at the upper end of a pile embracing device (16), the extended steel wire rope winds the outer and inner groups of pulleys of the pulley assemblies and then winds the second hoisting wheel, and the other end of each steel wire rope extends out of the outer side of the outer circumference of the bottom end of the tower (2) and then is fixed with the lower end of the pile embracing device (16.
7. The tubular pile extension device installed on a tower for construction of a building pile according to any one of claims 1 to 6, wherein: the central line of the rotary bracket (8) and the central line of the central hole behind the pile embracing of the pile embracing device (16) are on the same vertical line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022034645.0U CN213448446U (en) | 2020-09-16 | 2020-09-16 | Tubular pile lengthening device mounted on tower for building pile construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022034645.0U CN213448446U (en) | 2020-09-16 | 2020-09-16 | Tubular pile lengthening device mounted on tower for building pile construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213448446U true CN213448446U (en) | 2021-06-15 |
Family
ID=76324435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022034645.0U Active CN213448446U (en) | 2020-09-16 | 2020-09-16 | Tubular pile lengthening device mounted on tower for building pile construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213448446U (en) |
-
2020
- 2020-09-16 CN CN202022034645.0U patent/CN213448446U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112096281B (en) | Drilling, pile splicing and pile planting all-in-one machine and construction method thereof | |
JP4115323B2 (en) | Wind power generator construction method and construction equipment | |
CN113250193B (en) | Construction equipment based on synchronous drilling and precast pile splicing | |
CN115822449B (en) | Novel crawler-type composite pile machine | |
CN213448446U (en) | Tubular pile lengthening device mounted on tower for building pile construction | |
CN213476864U (en) | Tower device for building pile construction | |
CN213573865U (en) | Punching pile machine | |
JP2945265B2 (en) | Tubing equipment | |
CN115233675A (en) | Guide hole type static pile press and construction method thereof | |
CN112281681B (en) | Pile driver for bridge girder and using method thereof | |
CN210195662U (en) | Intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method | |
JP2006125032A (en) | Pile construction machine | |
JP3692120B2 (en) | Pile removal device | |
CN206942664U (en) | A kind of horizontal jet and the attachment structure for rig arm support | |
CN215332661U (en) | Sleeve rotary excavating equipment | |
CN219953232U (en) | High-efficiency pile driver | |
JP4136277B2 (en) | Rotary press-fitting device with reduction gear | |
CN212336022U (en) | Pile driving equipment for foundation construction | |
CN109113412B (en) | Automatic assembling and mounting method for multi-section cement electric pole | |
CN220811484U (en) | Device for assisting winding and unwinding of steel wire rope | |
JP2755845B2 (en) | Earth retaining pile construction method and its device | |
JPH06257142A (en) | Reinforcement cage installing device and reinforcement cage assembling and installing method using this device | |
CN218990138U (en) | Full-automatic low headroom mixing pile that connects pole | |
CN220791171U (en) | Drilling machine with automatic drill rod adding and connecting function | |
CN214194532U (en) | Multifunctional composite pile machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220624 Address after: 315000 5-3, building 7, No. 199, Xiangyun North Road, high tech Zone, Ningbo, Zhejiang Patentee after: Zhejiang wanjian Construction Co.,Ltd. Address before: 22-1, building 6, hemeicheng Plaza, 666 yangmuqi Road, high tech Zone, Ningbo, Zhejiang 315100 Patentee before: Zhejiang Yihe Geotechnical Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right |