CN113152561B - Manual hole digging mechanical auxiliary device and using method - Google Patents
Manual hole digging mechanical auxiliary device and using method Download PDFInfo
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- CN113152561B CN113152561B CN202110461779.7A CN202110461779A CN113152561B CN 113152561 B CN113152561 B CN 113152561B CN 202110461779 A CN202110461779 A CN 202110461779A CN 113152561 B CN113152561 B CN 113152561B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/20—Machines for digging other holes in the soil for vertical holes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- Mechanical Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Earth Drilling (AREA)
Abstract
The invention provides an auxiliary device for a manual hole digging machine and a using method thereof, and the auxiliary device comprises a cutting device, wherein the cutting device is formed by splicing a plurality of cutting petals, the plurality of cutting petals are spliced to form a conical cylinder, a connecting ring is arranged at the end part of each cutting petal, a fixing seat on each cutting petal is abutted against a through groove in the connecting ring to be rotationally fixed, a plurality of hydraulic cylinders and a vibration device are arranged on the cutting device, and the plurality of hydraulic cylinders and the vibration device are uniformly abutted against and fixed on the end part periphery of the cutting device. Cutting device can play the supporting role to the pore wall, can prevent that the manual work from producing fatigue in borehole operation for a long time simultaneously, slows down human labor, improves production efficiency, and cutting device forms for lamella concatenation equipment and makes the installation dismantle simple and convenient, is convenient for get into the well head, and the bored concrete pile drilling construction of being convenient for, the bored concrete pile construction makes things convenient for fast and high-efficient more, improves the operating efficiency greatly, is fit for using widely.
Description
Technical Field
The invention relates to the field of pile foundation construction, in particular to an auxiliary device of a manual hole digging machine and a using method.
Background
In the construction of the cast-in-situ bored pile, mechanical construction cannot be adopted or mechanical pore-forming is difficult to realize manually digging, and the construction of the cast-in-situ bored pile is carried out by adopting a manual excavation method on a construction site. In the construction process, if the geological disturbance is too large, safety accidents can occur. The existing manual hole digging pile construction generally needs construction operators to continuously dig the pile foundation, the labor efficiency is slow, the engineering progress is influenced, when a blasting method is adopted, large vibration is caused, and the vibration can disturb rock masses around to cause safety accidents.
Chinese patent CN210483532U provides a "drilling device for pile foundation construction", which drives the drill rod to rotate through the servo motor, thereby drilling holes, but this drilling mode only can dig out less hole, and the trompil degree of depth is lower, the construction that is applicable to the bored concrete pile that can not be fine.
Disclosure of Invention
The invention mainly aims to provide an auxiliary device of a manual hole digging machine and a using method thereof, and solves the problems that construction operators are generally required to continuously dig a pile foundation in the existing manual hole digging pile construction, the labor efficiency is slow, the engineering progress is influenced, and when a blasting method is adopted, greater vibration is caused, and the vibration disturbs surrounding rock masses to cause safety accidents.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: including cutting device, cutting device is formed by a plurality of cutting lamella concatenations, and a plurality of cutting lamella concatenations are a circular cone section of thick bamboo, and cutting lamella tip is equipped with the go-between, and the fixing base on the cutting lamella supports and leans on logical inslot internal rotation fixed in the go-between, is equipped with a plurality of pneumatic cylinders and vibrating device on the cutting device, and a plurality of pneumatic cylinders evenly support with vibrating device and lean on the tip border of fixing at cutting device.
In the preferred scheme, a support frame is further arranged, a screw rod in threaded connection is arranged in the support frame, a pressure plate is fixedly arranged at the end part of the screw rod, and the end parts of a plurality of hydraulic cylinders abut against the pressure plate;
and the screw rod is rotated to adjust the position of the pressure plate, so that the abutting reference of the hydraulic cylinder is changed.
In the preferred scheme, the connecting rings of the end part fixed connection of the plurality of cutting petals are spliced to form a circle, the connecting rings are fixedly connected through bolts, threaded holes are formed in the fixing seat, through holes matched with the threaded holes are formed in the connecting rings, and the connecting rings penetrate through the through holes to be connected into threaded holes in the fixing seat through bolts so as to be used for connecting and fixing the connecting rings and the fixing seat.
In a preferred scheme, the bottom of the cutting flap is provided with saw teeth.
In the preferred scheme, the fixing base is the L type, and fixing base end fixing runs through logical groove on the cutting lamella, and rotatory fixing base is so that the fixing base supports to lean on fixing on the go-between.
In the preferred scheme, the end of the hydraulic cylinder is fixedly provided with a hydraulic cylinder connecting ring which is a circular ring formed by splicing a plurality of circular arcs, and the circular arcs are fixedly connected through bolts.
In a preferred scheme, the vibrating device comprises a motor and two eccentric shafts, and the motor drives the two eccentric shafts to rotate relatively so as to generate vibration.
The method comprises the following steps: s1, digging a foundation hole on the soil foundation, hoisting the cutting device into the foundation hole, and prepressing the cutting device into the soil for fixation;
s2, erecting a support frame around the cutting device, wherein a lead screw which is adjusted in a sliding mode on the support frame is coaxial with the cutting device, and a pressure plate fixed to the end portion of the lead screw is connected with the cutting device through a plurality of hydraulic cylinders;
s3, fixing a balance weight on the support frame, driving a plurality of hydraulic cylinders to push the cutting device to move downwards, and simultaneously starting a plurality of vibration devices fixed on the cutting device to generate vibration cutting excavation while the cutting device moves downwards;
s4, stopping the machine when the stroke of the hydraulic cylinder reaches the maximum, rotating the screw rod to adjust the movable pressure plate to move, so that the hydraulic cylinder is contracted to adjust the supporting position, and driving the hydraulic cylinder and the vibrating device again to enable the cutting device to continuously excavate;
s5, repeatedly adjusting the screw rod to change the supporting position of the hydraulic cylinder, digging the cutting device into the ground, and removing the muck in the cutting device while digging;
s6, when the device to be cut enters 0.5m below the ground level, removing the support frame, inserting a plurality of anchor rods into the periphery of the excavated hole wall, installing a template on the foundation hole and in the hole, and pouring cement mortar in the template to form the concrete retaining wall;
s7, after the concrete retaining wall is solidified, the hydraulic cylinder takes the bottom of the concrete retaining wall as a support, and the hydraulic cylinder and the vibration device are continuously started to enable the cutting device to continuously excavate;
s8, repeatedly inserting a plurality of anchor rods into the periphery of the hole wall after excavating for 0.5 m-1 m, installing a template and pouring cement mortar to form a concrete retaining wall, and removing residue soil in the cutting device;
and S9, repeatedly excavating and tunneling, mounting hole wall anchor rods, mounting templates, pouring concrete retaining walls, removing slag, removing the cutting devices after the designed hole depth is reached, hoisting and withdrawing, and thus finishing excavation of the hole.
The method comprises the following steps: the method for arranging the multiple anchor rods in the S6 comprises the following steps: the anchor rods are arranged on the hole wall in a quincunx mode, the diameter of each anchor rod is not less than 110mm, the positioning deviation of the anchor rods is not more than 2mm, and the skewness is not more than 5%.
The method comprises the following steps: the method for pouring the concrete retaining wall in the S6 comprises the following steps: early strength agents are mixed in the poured cement mortar, the concrete dado is poured into a mold along the periphery during pouring, the concrete dado is symmetrically poured and is vibrated and compacted by steel rods, and the hole wall is cleaned and roughened before construction.
The invention provides an auxiliary device of a manual hole digging machine and a using method thereof.A cutting device can play a supporting role on a hole wall, can prevent fatigue caused by manual long-time underground operation, slow down manual labor and improve production efficiency.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a view of the construction of the overall apparatus of the present invention for starting excavation;
FIG. 2 is a front cross-sectional view of the overall apparatus of the present invention beginning to dig;
FIG. 3 is a front cross-sectional view of the integrated apparatus of the present invention being excavated below ground level;
FIG. 4 is a front cross-sectional view of the present invention casting a first layer of concrete retaining wall;
FIG. 5 is a front cross-sectional view of the present invention continuing to drive through the cast lower concrete retaining wall;
FIG. 6 is an isometric view of the mounting apparatus on the cutting device of the present invention;
FIG. 7 is an exploded view of the mounting apparatus on the cutting device of the present invention;
in the figure: a support frame 1; a soil base 2; a base hole 201; a screw rod 3; a platen 4; a cutting device 5; a cutting flap 501; a fixed seat 502; a connection ring 503; a through slot 504; a through-hole 505; a threaded hole 506; bolts 507; serrations 508; a vibrating device 6; a hydraulic cylinder 7; a fixture block 701; an anchor rod 8; a template 9; a concrete retaining wall 10; the hydraulic cylinder connects the ring 11.
Detailed Description
Example 1
As shown in fig. 1 to 7, the manual hole digging mechanical auxiliary device and the use method thereof include a cutting device 5, the cutting device 5 is formed by splicing a plurality of cutting petals 501, the plurality of cutting petals 501 are spliced to form a conical cylinder, a connecting ring 503 is arranged at the end of each cutting petal 501, a fixing seat 502 on each cutting petal 501 abuts against a through groove 504 in the connecting ring 503 to be rotationally fixed, a plurality of hydraulic cylinders 7 and a vibration device 6 are arranged on the cutting device 5, and the plurality of hydraulic cylinders 7 and the vibration device 6 are uniformly abutted against and fixed on the periphery of the end of the cutting device 5. With this configuration, the driving hydraulic cylinder 7 supplies power for the downward movement of the cutting device 5, and the vibrating device 6 supplies the vibration cutting sloshing to the cutting device 5, thereby effectively driving a complicated geological condition and breaking underground rocks. The plurality of cutting petals 501 are fixedly connected through the connecting ring 503, so that the installation and the disassembly are convenient, the disassembly, the hoisting and the transfer are convenient after the excavation is carried out underground, and the smoothness of the inlet and the outlet is ensured.
In the preferred scheme, a support frame 1 is further arranged, a screw rod 3 in threaded connection is arranged in the support frame 1, a pressure plate 4 is fixedly arranged at the end part of the screw rod 3, and the end parts of a plurality of hydraulic cylinders 7 are abutted against the pressure plate 4;
the rotary screw 3 adjusts the position of the pressure plate 4, thereby changing the abutment reference of the hydraulic cylinder 7. With the structure, in order to ensure that the cutting device 5 can smoothly tunnel from the soil foundation 2, the pressure plate 4 at the end part of the screw rod 3 rotating on the support frame 1 is used as a leaning reference, so that the plurality of hydraulic cylinders 7 at the end part of the cutting device 5 lean against the pressure plate 4, the plurality of hydraulic cylinders 7 are driven to drive the cutting device 5 to tunnel downwards, the cutting device 5 smoothly enters the ground level below, and the late-gan tunneling is carried out.
In a preferable scheme, the connecting rings 503 fixedly connected to the end portions of the plurality of cutting petals 501 are spliced into a circle, the connecting rings 503 are fixedly connected through bolts, the fixing base 502 is provided with threaded holes 506, the connecting rings 503 are provided with through holes 505 matched with the threaded holes 506, and the connecting rings 503 are connected into the threaded holes 506 on the fixing base 502 through the through holes 505 by bolts 507 to fixedly connect the connecting rings 503 and the fixing base 502. With the structure, the cutting petals 501 correspond to the connecting ring 503, the fixing seats 502 on the cutting petals 501 penetrate through the through holes 505 and then are rotatably abutted against the connecting ring 503, the fixing seats are fixed by the bolts 507, and the connecting rings 503 are connected by the bolts, so that the cutting petals 501 can be spliced to form a conical cylinder for cutting and drilling.
In a preferred embodiment, the cutting petals 501 are provided with serrations 508 at their bottom. With the structure, the sawtooth 508 structure can effectively tunnel the geology and break the rock.
In a preferred scheme, the fixing seat 502 is L-shaped, the end of the fixing seat 502 is fixed on the cutting flap 501, the fixing seat 502 penetrates through the through groove 504, and the fixing seat 502 is rotated to enable the fixing seat 502 to be abutted and fixed on the connecting ring 503. With the structure, the cutting blade 501 and the connecting ring 503 are connected in a leaning and rotating mode and are fixed through the bolt 507, so that the connection is reliable, and the installation and the disassembly are simple and convenient.
In the preferred scheme, the end part of the hydraulic cylinder 7 is fixedly provided with a hydraulic cylinder connecting ring 11, the hydraulic cylinder connecting ring 11 is a circular ring formed by splicing a plurality of circular arcs, and the circular arcs are fixedly connected through bolts. With the structure, the ends of the hydraulic cylinders 7 are connected through the hydraulic cylinder connecting rings 11, so that the reference surfaces of the abutting action of the hydraulic cylinders 7 are the same, and the perpendicularity of the tunneling direction is ensured.
In a preferred embodiment, the vibration device 6 comprises a motor and two eccentric shafts, and the motor drives the two eccentric shafts to rotate relatively, so as to generate vibration.
Example 2
Further described with reference to embodiment 1, as shown in fig. 1 to 7, a foundation hole 201 is dug in the soil foundation 2, and the cutting device 5 is hoisted into the foundation hole 201 and pre-pressed into the soil to be fixed; a support frame 1 is erected around a cutting device 5, a screw rod 3 which is adjusted in a sliding mode on the support frame 1 is coaxial with the cutting device 5, and a pressure plate 4 fixed to the end portion of the screw rod 3 is connected with the cutting device 5 through a plurality of hydraulic cylinders 7; fixing a balance weight on the support frame 1, driving a plurality of hydraulic cylinders 7 to push the cutting device 5 to move downwards, and simultaneously starting a plurality of vibrating devices 6 fixed on the cutting device 5 to generate vibration cutting excavation while the cutting device 5 moves downwards; stopping the machine when the stroke of the hydraulic cylinder 7 reaches the maximum, rotating the screw rod 3 to adjust the movable pressure plate 4 to move, so that the hydraulic cylinder 7 is contracted to adjust the supporting position, and driving the hydraulic cylinder 7 and the vibration device 6 again to ensure that the cutting device 5 continuously excavates; the support position of the hydraulic cylinder 7 is changed by repeatedly adjusting the screw rod 3, the cutting device 5 is dug into the ground, and the residue soil in the cutting device 5 is removed while digging; when the device to be cut 5 enters 0.5m below the ground level, the support frame 1 is dismantled, a plurality of anchor rods 8 are inserted into the periphery of the excavated hole wall, a template 9 is installed on the foundation hole 201 and in the hole, and cement mortar is poured into the template 9 to form a concrete retaining wall 10; after the concrete retaining wall 10 is solidified, the hydraulic cylinder 7 takes the bottom of the concrete retaining wall 10 as a support, and the hydraulic cylinder 7 and the vibration device 6 are continuously started to ensure that the cutting device 5 continuously excavates; after excavating for 0.5 m-1 m, repeatedly inserting a plurality of anchor rods 8 in the periphery of the hole wall, pouring cement mortar into an installation template 9 to form a concrete retaining wall 10, and removing residue soil in the cutting device 5; and (3) repeatedly excavating and tunneling, installing hole wall anchor rods 8, installing templates 9, pouring concrete retaining walls 10 and removing slag, and after the designed hole depth is reached, removing the cutting devices 5, hoisting and withdrawing, thus finishing excavation of the hole. According to the steps, the concrete retaining wall 10 is made of C30 concrete, the wall thickness is 15cm, when local geology is poor, the retaining wall can be thickened properly, the anchor rods 8 are made of C22 steel bars, the length is 1m, and the quincunx arrangement distance is 50 cm; the well head is made of C30 concrete and is 30cm higher than the ground. The anchor rods 8 and the concrete protecting walls 10 are arranged to protect the tunneled hole wall and support the hole wall with the protected upper portion, and the wellhead is heightened to prevent falling broken stones and sundries near a mountain from falling into the hole to cause safety accidents. The manual work is located and carries the dregs to going out in the sediment bucket in the hole, and the adoption hoist engine handling of slagging tap is to the well head, and the handcart fortune soil is piled up to piling yard concentration apart from aperture 5 m. The slag discharge is that the personnel in the hole and the personnel outside the hole use the intercom to call, and the slag sample in the slag discharging barrel must not be too full simultaneously. The anchor rods 8 are arranged on the hole wall in a quincunx mode, the diameter of each anchor rod 8 is not less than 110mm, the positioning deviation of each anchor rod 8 is not more than 2mm, and the deflection is not more than 5%. The installation and the positioning of a plurality of anchor rods 8 are ensured, the firm pouring of the concrete retaining wall 10 is ensured, and the safety of the hole wall is greatly ensured. Early strength agents are mixed in the poured cement mortar, the concrete dado 10 is poured into a mold along the periphery when being poured, the concrete dado is symmetrically poured and is compacted through vibration of steel borers, and the hole wall is cleaned and roughened before construction. The early strength agent can enable the poured cement mortar to be quickly solidified and formed, greatly quickens the operation efficiency and ensures the forming quality and efficiency of the cement mortar.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (8)
1. Artifical hole mechanical auxiliary device that digs, characterized by: the cutting device comprises a cutting device (5), wherein the cutting device (5) is formed by splicing a plurality of cutting petals (501), the plurality of cutting petals (501) are spliced to form a conical cylinder, a connecting ring (503) is arranged at the end part of each cutting petal (501), a fixing seat (502) on each cutting petal (501) abuts against a through groove (504) in the connecting ring (503) to rotate and fix, a plurality of hydraulic cylinders (7) and a vibration device (6) are arranged on the cutting device (5), and the plurality of hydraulic cylinders (7) and the vibration device (6) uniformly abut against and are fixed on the end periphery of the cutting device (5);
the device is also provided with a support frame (1), a screw rod (3) in threaded connection is arranged in the support frame (1), a pressure plate (4) is fixedly arranged at the end part of the screw rod (3), and the end parts of a plurality of hydraulic cylinders (7) are abutted against the pressure plate (4);
the screw rod (3) is rotated to adjust the position of the pressure plate (4), so that the abutting reference of the hydraulic cylinder (7) is changed;
the connecting rings (503) fixedly connected with the end portions of the cutting petals (501) are spliced to form a circle, the connecting rings (503) are fixedly connected through bolts, a threaded hole (506) is formed in the fixing seat (502), a through hole (505) matched with the threaded hole (506) is formed in the connecting ring (503), and the connecting ring (503) penetrates through the through hole (505) through a bolt (507) to be connected into the threaded hole (506) in the fixing seat (502) and is used for connecting and fixing the connecting ring (503) and the fixing seat (502).
2. The mechanical auxiliary device for manually digging holes as claimed in claim 1, which is characterized in that: the bottom of the cutting flap (501) is provided with saw teeth (508).
3. The mechanical auxiliary device for manually digging holes as claimed in claim 1, which is characterized in that: fixing base (502) are the L type, and fixing base (502) tip is fixed on cutting lamella (501), and logical groove (504) are run through in fixing base (502), and rotatory fixing base (502) so that fixing base (502) support to lean on to fix on go-between (503).
4. The mechanical auxiliary device for manually digging holes as claimed in claim 1, which is characterized in that: the end part of the hydraulic cylinder (7) is fixedly provided with a hydraulic cylinder connecting ring (11), the hydraulic cylinder connecting ring (11) is a ring formed by splicing a plurality of circular arcs, and the circular arcs are fixedly connected through bolts.
5. The mechanical auxiliary device for manually digging holes as claimed in claim 1, which is characterized in that: the vibrating device (6) comprises a motor and two eccentric shafts, and the motor drives the two eccentric shafts to rotate relatively so as to generate vibration.
6. The use method of the mechanical auxiliary device for manual hole digging according to any one of claims 1 to 5, which comprises the following steps: s1, digging a foundation hole (201) on the soil foundation (2), hoisting the cutting device (5) into the foundation hole (201), and prepressing until the cutting device is fixed in the soil;
s2, erecting a support frame (1) around the cutting device (5), enabling a screw rod (3) which is adjusted in a sliding mode on the support frame (1) to be coaxial with the cutting device (5), and enabling a pressure plate (4) which is fixed to the end of the screw rod (3) to be connected with the cutting device (5) through a plurality of hydraulic cylinders (7);
s3, fixing a balance weight on the support frame (1), driving a plurality of hydraulic cylinders (7) to push the cutting device (5) to move downwards, and simultaneously starting a plurality of vibrating devices (6) fixed on the cutting device (5) to generate vibration cutting excavation while the cutting device (5) moves downwards;
s4, stopping the machine when the stroke of the hydraulic cylinder (7) reaches the maximum, rotating the screw rod (3) to adjust the movable pressure plate (4) to move, so that the hydraulic cylinder (7) is contracted to adjust the supporting position, and the hydraulic cylinder (7) and the vibration device (6) are driven again to enable the cutting device (5) to continuously excavate;
s5, repeatedly adjusting the screw rod (3) to change the supporting position of the hydraulic cylinder (7), digging the cutting device (5) into the ground, and removing the residue soil in the cutting device (5) during digging;
s6, when the device to be cut (5) enters 0.5m below the ground level, dismantling the support frame (1), inserting a plurality of anchor rods (8) into the periphery of the excavated hole wall, installing a template (9) on the foundation hole (201) and in the hole, and pouring cement mortar in the template (9) to form the concrete retaining wall (10);
s7, after the concrete retaining wall (10) is solidified, the hydraulic cylinder (7) takes the bottom of the concrete retaining wall (10) as a support, and the hydraulic cylinder (7) and the vibration device (6) are continuously started to enable the cutting device (5) to continuously excavate;
s8, repeatedly inserting a plurality of anchor rods (8) into the periphery of the hole wall after excavating for 0.5-1 m, installing a template (9) and pouring cement mortar to form a concrete retaining wall (10), and removing residue soil in the cutting device (5);
s9, repeatedly excavating and tunneling, installing a hole wall anchor rod (8), installing a template (9), pouring a concrete retaining wall (10), removing slag, and after the designed hole depth size is reached, removing the cutting device (5), hoisting and withdrawing, thus finishing excavation of the hole.
7. The use method of the mechanical auxiliary device for manually digging holes as claimed in claim 6, which comprises the following steps: the method for arranging the plurality of anchor rods (8) in the S6 is as follows: the anchor rods (8) are arranged on the hole wall in a quincunx mode, the diameter of each anchor rod (8) is not less than 110mm, the positioning deviation of each anchor rod (8) is not more than 2mm, and the deviation degree is not more than 5%.
8. The use method of the mechanical auxiliary device for manually digging holes as claimed in claim 6, which comprises the following steps: the method for pouring the concrete retaining wall (10) in the S6 comprises the following steps: early strength agents are mixed in the poured cement mortar, the concrete dado (10) is poured into a mold along the periphery when being poured, the concrete dado is symmetrically poured and is compacted by using a steel chisel, and the hole wall is cleaned and roughened before construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110461779.7A CN113152561B (en) | 2021-04-27 | 2021-04-27 | Manual hole digging mechanical auxiliary device and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110461779.7A CN113152561B (en) | 2021-04-27 | 2021-04-27 | Manual hole digging mechanical auxiliary device and using method |
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| CN113152561A CN113152561A (en) | 2021-07-23 |
| CN113152561B true CN113152561B (en) | 2022-09-27 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101102660B1 (en) * | 2009-06-08 | 2012-01-04 | 김억수 | Pile Driver for Excavator |
| CN109162274B (en) * | 2018-10-26 | 2020-12-15 | 中冶建工集团有限公司 | Template support detection frame of manual hole digging pile and using method thereof |
| CN111021250A (en) * | 2019-11-19 | 2020-04-17 | 苏州中车建设工程有限公司 | Drilling machine for cast-in-place pile special for road and bridge construction |
| CN214886883U (en) * | 2021-04-27 | 2021-11-26 | 中国葛洲坝集团第一工程有限公司 | Manual hole digging mechanical auxiliary device |
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