CN111005678A - Soil layer drilling device with soil collection function - Google Patents

Soil layer drilling device with soil collection function Download PDF

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Publication number
CN111005678A
CN111005678A CN202010011267.6A CN202010011267A CN111005678A CN 111005678 A CN111005678 A CN 111005678A CN 202010011267 A CN202010011267 A CN 202010011267A CN 111005678 A CN111005678 A CN 111005678A
Authority
CN
China
Prior art keywords
cavity
rotating
soil
driven
cavity wall
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.)
Withdrawn
Application number
CN202010011267.6A
Other languages
Chinese (zh)
Inventor
不公告发明人
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.)
Ningbo Xichu Machinery Technology Co ltd
Original Assignee
Ningbo Xichu Machinery Technology 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 Ningbo Xichu Machinery Technology Co ltd filed Critical Ningbo Xichu Machinery Technology Co ltd
Priority to CN202010011267.6A priority Critical patent/CN111005678A/en
Publication of CN111005678A publication Critical patent/CN111005678A/en
Withdrawn legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/003Drilling with mechanical conveying means
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/44Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling

Abstract

The invention discloses a soil layer drilling device with a soil collecting function, which comprises a machine base, wherein a transmission cavity is arranged in the machine base, a conveying cavity is arranged at the lower end in the machine base, a transmission mechanism for providing power for the device is arranged in the transmission cavity, a drilling mechanism for drilling holes in a soil layer is arranged at the left end in the machine base, a conveying mechanism for collecting broken soil generated in drilling holes is arranged in the conveying cavity, a spiral long drill head design is adopted in the working process, the generated broken soil can be continuously conveyed upwards when the soil layer is drilled, so that the drilling burden generated by accumulation of the broken soil is relieved, the broken soil generated in drilling holes can be conveyed outwards in a centralized mode for centralized collection, and further utilization of the broken soil can be realized.

Description

Soil layer drilling device with soil collection function
Technical Field
The invention relates to the field of drilling, in particular to a soil layer drilling device with a soil collecting function.
Background
On the construction site, holes are often drilled in the soil layer to fix a certain support in the soil layer, and the mode also becomes piling.
At the present stage, the drilling machine used on the construction site can only drill a hole with a required depth in the soil layer, but can not remove the broken soil generated during drilling, and under the blocking effect of the broken soil, not only can certain drilling difficulty be increased, but also the hole part can be buried when the drill bit moves out of the hole.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a soil layer drilling device with a soil collecting function, which solves the problems that the broken soil in the drilled hole cannot be removed and the broken soil cannot be collected and utilized and the like, and increases the functions of removing the broken soil and collecting the broken soil.
The invention is realized by the following technical scheme.
The soil layer drilling device with the soil collecting function comprises a base, wherein a transmission cavity is arranged in the base, a conveying cavity is arranged at the lower end in the base, a transmission mechanism for providing power for the device is arranged in the transmission cavity, a drilling mechanism for drilling holes in a soil layer is arranged at the left end in the base, and a conveying mechanism for collecting broken soil generated in drilling holes is arranged in the conveying cavity;
the conveying mechanism comprises a through hole which is positioned at the left end in the machine base and is communicated up and down, a rotating cavity is arranged in the cavity wall at the upper end of the through hole, a rotating block which can rotate in the cavity is arranged in the rotating cavity, a connecting ring is fixedly arranged on the inner cavity wall of the rotating block, an soil inlet cavity with an inward opening and positioned at the lower side of the rotating cavity is also arranged in the cavity wall at the upper end of the through hole, a rotating drum with a lower end extending into the soil inlet cavity is fixedly arranged on the inner cavity wall of the connecting ring, two shifting sheets positioned in the soil inlet cavity are arranged on the outer wall at the lower end of the rotating drum, a through hole communicated with the conveying cavity is arranged on the lower cavity wall at the right end of the soil inlet cavity, driven drum shafts are rotatably arranged on the front cavity wall and the rear cavity wall at the left end of the, the driven roller and the driving roller are connected and provided with the same conveying belt, the rear end of a shaft of the driving roller is provided with a driven belt wheel, a belt is connected and provided on the driven belt wheel, a cavity wall on the right side of the rotating cavity is provided with an opening cavity with a left opening, a lower cavity wall of the opening cavity rotates and is provided with a driven shaft, the lower end of the driven shaft is connected with the lower cavity wall of the transmission cavity in a rotating mode, a first tooth surface is arranged on the outer wall of the connecting ring, a connecting gear is arranged at the upper end of the driven shaft, the connecting gear is located in the opening cavity and connected with the rotating block through meshing of the.
Further, the transmission mechanism comprises a motor fixed on the right cavity wall of the transmission cavity, the left end of the motor is in power connection with a right transmission shaft, the right end of the transmission shaft is provided with a first bevel gear and a second bevel gear, the left end of the transmission shaft is provided with a worm in meshing connection with the worm gear, the front cavity wall of the transmission cavity is provided with a rotating shaft in a rotating manner, the rear end of the rotating shaft is provided with a third bevel gear in meshing connection with the first bevel gear, the front end of the rotating shaft is provided with a ratchet wheel, the front cavity wall of the right end of the transmission cavity is provided with a rotating shaft in a rotating manner, the rear end of the rotating shaft is provided with a driven gear capable of being in meshing connection with the ratchet wheel through a rotating tooth, the front end of the rotating shaft is provided with a driving pulley, the driving pulley is in rotating connection with the driven pulley through the belt, the, and a driving chain wheel is arranged at the rear end of the rotating rod.
Further, the drilling mechanism comprises a lifting cavity which is positioned at the upper end in the machine base and has a left opening, a moving block which can move in the cavity from top to bottom is arranged in the lifting cavity, a second tooth surface is fixedly arranged on the right end surface of the moving block, a lifting block is fixedly arranged on the left end surface of the moving block, a first motor is fixedly arranged at the lower end of the lifting block, the lower end of the first motor is in power connection with a driving shaft, a spiral drill bit extending into the through hole is fixedly arranged on the lower end face of the driving shaft, a second driven cavity with a left opening is arranged on the right cavity wall of the lifting cavity, a rotating rod is rotatably arranged on the front cavity wall and the rear cavity wall of the second driven cavity, the front end of the rotating rod is provided with a rotating gear which is engaged and connected with the moving block through a second tooth surface, the rear end of the rotating rod is provided with a driven chain wheel, the driven chain wheel is provided with a chain, and the driven chain wheel is rotationally connected with the driving chain wheel through the chain.
Furthermore, twelve rotating cavities with outward openings are arranged in the ratchet wheel, fixing rods are fixedly arranged on the front cavity wall and the rear cavity wall of each rotating cavity, rotating teeth are arranged on the fixing rods, and torsion springs are arranged between the rotating teeth and the fixing rods.
Further, the torsional force of the torsional spring is larger than the friction force received when the rotating teeth rotate on the fixed rod.
The invention has the beneficial effects that: the spiral long drill bit is designed during working, and the generated crushed soil can be continuously conveyed upwards when a soil layer is drilled, so that the drilling burden caused by accumulation of the crushed soil is reduced, the crushed soil generated by drilling can be intensively conveyed outwards for centralized collection, and further utilization of the crushed soil can be realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram at D-D in FIG. 2 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine fig. 1-5 a soil layer drilling equipment with function is collected to soil, include frame 10, be equipped with transmission chamber 65 in the frame 10, the lower extreme is equipped with carries chamber 18 in the frame 10, be equipped with transmission mechanism 17 for the device provides power in the transmission chamber 65, the left end is equipped with drilling mechanism 28 of drilling in the soil layer in the frame 10, be equipped with the conveying mechanism 23 of the garrulous soil collection that produces when will drill in carrying chamber 18, conveying mechanism 23 is including being located the through hole 27 of left end and upper and lower intercommunication in the frame 10, be equipped with in the chamber wall of through hole 27 upper end and rotate chamber 32, it can be at intracavity pivoted rotor 33 to be equipped with in the rotation chamber 32, the fixed go-between 34 that is equipped with of chamber wall in the rotor 33, still be equipped with in the chamber wall of through hole 27 upper end the opening inwards and be located the soil inlet cavity 29 of rotation chamber 32, the inner cavity wall of the connecting ring 34 is fixedly provided with a rotating drum 35 with the lower end extending into the soil inlet cavity 29, the outer wall of the lower end of the rotating drum 35 is provided with two shifting sheets 30 positioned in the soil inlet cavity 29, the lower cavity wall of the right end of the soil inlet cavity 29 is provided with a through hole 26 communicated with the conveying cavity 18, the front cavity wall and the rear cavity wall of the left end of the conveying cavity 18 are rotatably provided with driven drum shafts 25, the driven drum shafts 25 are provided with driven drums 24, the front cavity wall and the rear cavity wall of the right end of the conveying cavity 18 are rotatably provided with driving drum shafts 20, the driving drum shafts 20 are provided with driving drums 21, the driven drums 24 and the driving drums 21 are connected with a same conveying belt 22, the rear end of the driving drum shaft 20 is provided with a driven pulley 56, the driven pulley 56 is connected with a belt 64, the right cavity wall of the rotating cavity 32 is provided with an open cavity 63 with a left opening, the lower cavity wall of the open cavity, the outer wall of the connecting ring 34 is provided with a first tooth surface 31, the upper end of the driven shaft 62 is provided with a connecting gear 67 which is positioned in the open cavity 63 and is in meshed connection with the rotating block 33 through the first tooth surface 31, and the lower end of the driven shaft 62 is provided with a worm gear 66 which is positioned in the transmission cavity 65.
Advantageously, the transmission mechanism 17 comprises a motor 16 fixed on the right cavity wall of the transmission cavity 65, the left end of the motor 16 is in power connection with a right transmission shaft 15, the right end of the transmission shaft 15 is provided with a first bevel gear 54 and a second bevel gear 49, the left end of the transmission shaft 15 is provided with a worm 50 in meshing connection with the worm gear 66, the front cavity wall of the transmission cavity 65 is rotatably provided with a rotating shaft 46, the rear end of the rotating shaft 46 is provided with a third bevel gear 48 in meshing connection with the first bevel gear 54, the front end of the rotating shaft 46 is provided with a ratchet wheel 47, the front cavity wall of the right end of the transmission cavity 65 is rotatably provided with a rotating shaft 44, the rear end of the rotating shaft 44 is provided with a driven gear 55 in meshing connection with the ratchet wheel 47 through a rotating tooth 60, the front end of the rotating shaft 44 is provided with a driving pulley 43, the driving pulley 43 is rotatably connected with the driven pulley 56, the front end of the rotating rod 53 is provided with a fourth bevel gear 51 meshed with the second bevel gear 49, and the rear end of the rotating rod 53 is provided with a driving sprocket 52.
Beneficially, the drilling mechanism 28 includes a lifting cavity 40 located at the upper end in the machine base 10 and having a left opening, a moving block 41 capable of moving in a cavity up and down is located in the lifting cavity 40, a second tooth surface 42 is fixedly located at the right end surface of the moving block 41, a lifting block 39 is fixedly located at the left end surface of the moving block 41, a first motor 38 is fixedly located at the lower end of the lifting block 39, a driving shaft 37 is dynamically connected to the lower end of the first motor 38, a helical drill 36 extending into the through hole 27 is fixedly located at the lower end surface of the driving shaft 37, a second driven cavity 12 having a left opening is located at the right cavity wall of the lifting cavity 40, a rotating rod 11 is rotationally located at the front cavity wall and the rear cavity wall of the second driven cavity 12, a rotating gear 13 engaged with the moving block 41 through the second tooth surface 42 is located at the front end of the rotating rod 11, a driven sprocket 57 is located, the driven sprocket 57 and the driving sprocket 52 are rotatably connected by the chain 14.
Advantageously, twelve outwardly-opened rotating cavities 61 are formed in the ratchet wheel 47, a fixing rod 58 is fixedly arranged on the front cavity wall and the rear cavity wall of each rotating cavity 61, rotating teeth 60 are arranged on the fixing rod 58, and a torsion spring 59 is arranged between each rotating tooth 60 and the fixing rod 58.
Advantageously, the torsion force of the torsion spring 59 is greater than the friction force to which the rotary tooth 60 is subjected when rotating on the fixed lever 58.
In the initial state, the moving block 41 is located at the upper end in the elevating chamber 40, and the auger bit 36 is located in the through hole 27.
When drilling, the first motor 38 and the motor 16 are started, the first motor 38 works to drive the driving shaft 37 to rotate, thereby driving the spiral drill bit 36 to rotate, the motor 16 operates to drive the transmission shaft 15 to rotate, thereby driving the worm 50, the second bevel gear 49 and the first bevel gear 54 to rotate, the second bevel gear 49 rotates to drive the fourth bevel gear 51 engaged with the second bevel gear to rotate, thereby driving the rotation rod 53 and the driving sprocket 52 on the rotation rod 53 to rotate, the driving sprocket 52 rotates to drive the driven sprocket 57 connected with the driving sprocket through the chain 14 to rotate, thereby driving the rotating rod 11 and the rotating gear 13 at the front end of the rotating rod 11 to rotate, the rotating gear 13 rotates to drive the moving block 41 meshed with the rotating gear to move downwards, thereby driving the lifting block 39 to move downwards, and further driving the driving shaft 37 and the auger bit 36 to move downwards, when the auger bit 36 moves downward to contact the ground, drilling of the ground location begins;
when transporting the crushed soil generated by drilling, the spiral drill 36 rotates downwards and advances forwards to transport the crushed soil generated by drilling to the soil inlet cavity 29 upwards, the worm 50 rotates to drive the worm wheel 66 connected with the worm to rotate in a meshed manner, so as to drive the connecting gear 67 at the upper ends of the driven shaft 62 and the driven shaft 62 to rotate, so as to drive the rotating block 33 connected with the connecting gear 67 to rotate in a meshed manner, so as to drive the rotating drum 35 and the two shifting pieces 30 to rotate, the shifting pieces 30 rotate to shift the crushed soil in the soil inlet cavity 29 to fall into the through hole 26, and finally fall onto the upper surface of the conveying belt 22 in the conveying cavity 18, the first bevel gear 54 rotates to drive the third bevel gear 48 connected with the worm to rotate in a meshed manner, so as to drive the rotating shaft 46 and the ratchet 47 to rotate, when the ratchet 47 rotates forwards, the rotating teeth 60 in the ratchet 47 are blocked by the left cavity wall of the rotating cavity 61, so as to be incapable of rotating on the fixing rod 58, the ratchet 47 rotates, the driven gear 55 rotates to drive the rotating shaft 44 and the driving pulley 43 to rotate, so as to drive the driven pulley 56 connected with the driving pulley 43 through the belt 64 to rotate, so as to drive the driving roller shaft 20 and the driving roller 21 to rotate, so as to drive the conveying belt 22 to rotate, and the conveying belt 22 rotates to convey the crushed soil to the right and then falls from the discharge port 19;
when the device is reset, the starting motor 16 works reversely, so that the moving block 41 is driven to move upwards through mechanical transmission for resetting, and when the ratchet wheel 47 rotates reversely, the rotating teeth 60 in the ratchet wheel 47 lose the limitation of the left cavity wall of the rotating cavity 61 and rotate on the fixed rod 58, so that the driven gear 55 meshed and connected with the ratchet wheel cannot be driven to rotate, and therefore the crushed soil on the conveying belt 22 cannot be conveyed reversely.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a soil layer drilling equipment with function is collected to soil, includes the frame, its characterized in that: a transmission cavity is arranged in the machine base, a conveying cavity is arranged at the lower end in the machine base, a transmission mechanism for providing power for the device is arranged in the transmission cavity, a drilling mechanism for drilling holes in a soil layer is arranged at the left end in the machine base, and a conveying mechanism for collecting broken soil generated in drilling is arranged in the conveying cavity;
the conveying mechanism comprises a through hole which is positioned at the left end in the machine base and is communicated up and down, a rotating cavity is arranged in the cavity wall at the upper end of the through hole, a rotating block which can rotate in the cavity is arranged in the rotating cavity, a connecting ring is fixedly arranged on the inner cavity wall of the rotating block, an soil inlet cavity with an inward opening and positioned at the lower side of the rotating cavity is also arranged in the cavity wall at the upper end of the through hole, a rotating drum with a lower end extending into the soil inlet cavity is fixedly arranged on the inner cavity wall of the connecting ring, two shifting sheets positioned in the soil inlet cavity are arranged on the outer wall at the lower end of the rotating drum, a through hole communicated with the conveying cavity is arranged on the lower cavity wall at the right end of the soil inlet cavity, driven drum shafts are rotatably arranged on the front cavity wall and the rear cavity wall at the left end of the, the driven roller and the driving roller are connected and provided with the same conveying belt, the rear end of a shaft of the driving roller is provided with a driven belt wheel, a belt is connected and provided on the driven belt wheel, a cavity wall on the right side of the rotating cavity is provided with an opening cavity with a left opening, a lower cavity wall of the opening cavity rotates and is provided with a driven shaft, the lower end of the driven shaft is connected with the lower cavity wall of the transmission cavity in a rotating mode, a first tooth surface is arranged on the outer wall of the connecting ring, a connecting gear is arranged at the upper end of the driven shaft, the connecting gear is located in the opening cavity and connected with the rotating block through meshing of the.
2. Soil layer drilling device with soil collection function according to claim 1, characterized in that: the transmission mechanism comprises a motor fixed on the wall of the right cavity of the transmission cavity, the left end of the motor is in power connection with a right transmission shaft, the right end of the transmission shaft is provided with a first bevel gear and a second bevel gear, the left end of the transmission shaft is provided with a worm meshed with the worm gear, the front cavity wall of the transmission cavity is provided with a rotating shaft in a rotating manner, the rear end of the rotating shaft is provided with a third bevel gear meshed with the first bevel gear, the front end of the rotating shaft is provided with a ratchet wheel, the front cavity wall of the right end of the transmission cavity is provided with a rotating shaft in a rotating manner, the rear end of the rotating shaft is provided with a driven gear meshed with the ratchet wheel through rotating teeth, the front end of the rotating shaft is provided with a driving belt wheel, the driving belt wheel is rotationally connected with the driven belt through a belt, the rear cavity wall of the, and a driving chain wheel is arranged at the rear end of the rotating rod.
3. Soil layer drilling device with soil collection function according to claim 1, characterized in that: the drilling mechanism comprises a lifting cavity which is positioned at the upper end in the machine base and has a leftward opening, a moving block which can move in the cavity from top to bottom is arranged in the lifting cavity, a second tooth surface is fixedly arranged on the right end surface of the moving block, a lifting block is fixedly arranged on the left end surface of the moving block, a first motor is fixedly arranged at the lower end of the lifting block, the lower end of the first motor is in power connection with a driving shaft, a spiral drill bit extending into the through hole is fixedly arranged on the lower end face of the driving shaft, a second driven cavity with a leftward opening is arranged on the right cavity wall of the lifting cavity, a rotating rod is rotatably arranged on the front cavity wall and the rear cavity wall of the second driven cavity, a rotating gear which is in meshed connection with the moving block through a second tooth surface is arranged at the front end of the rotating rod, the rear end of the rotating rod is provided with a driven chain wheel, a chain is arranged on the driven chain wheel, and the driven chain wheel is rotatably connected with the driving chain wheel through the chain.
4. A soil layer boring device with soil collection function according to claim 3 wherein: twelve rotating cavities with outward openings are arranged in the ratchet wheel, fixing rods are fixedly arranged on the front cavity wall and the rear cavity wall of each rotating cavity, rotating teeth are arranged on the fixing rods, and torsion springs are arranged between the rotating teeth and the fixing rods.
5. Soil layer drilling device with soil collection function according to claim 1, characterized in that: the torsional force of the torsional spring is greater than the friction force received by the rotating teeth when the rotating teeth rotate on the fixed rod.
CN202010011267.6A 2020-01-06 2020-01-06 Soil layer drilling device with soil collection function Withdrawn CN111005678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010011267.6A CN111005678A (en) 2020-01-06 2020-01-06 Soil layer drilling device with soil collection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010011267.6A CN111005678A (en) 2020-01-06 2020-01-06 Soil layer drilling device with soil collection function

Publications (1)

Publication Number Publication Date
CN111005678A true CN111005678A (en) 2020-04-14

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Application Number Title Priority Date Filing Date
CN202010011267.6A Withdrawn CN111005678A (en) 2020-01-06 2020-01-06 Soil layer drilling device with soil collection function

Country Status (1)

Country Link
CN (1) CN111005678A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397973A (en) * 2020-11-20 2021-02-23 杭州攀玲机械科技有限公司 Clamping type hot air pipe shrinking device and using method thereof

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DE2837397A1 (en) * 1978-08-26 1980-02-28 Paurat F Rotary foundation drilling machine waste removal - involves worm gear on hollow shaft round drill head shaft with blades as conveyors
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CN109577862A (en) * 2018-12-06 2019-04-05 南京陶特思软件科技有限公司 Perforating device is used in a kind of installation of electric pole
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CN2802061Y (en) * 2005-01-28 2006-08-02 曹兴明 Excavating transporting device of drilling machine
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CN204729009U (en) * 2015-03-27 2015-10-28 重庆工商职业学院 Pile foundation revolve drilling construction scouring bit
CN105003200A (en) * 2015-07-03 2015-10-28 左红 Hole drilling equipment and hole drilling method of hole drilling equipment
CN209277802U (en) * 2018-11-20 2019-08-20 常艳 A kind of architectural engineering self-cleaning type screw thread piling machine
CN109577862A (en) * 2018-12-06 2019-04-05 南京陶特思软件科技有限公司 Perforating device is used in a kind of installation of electric pole
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CN110607987A (en) * 2019-09-28 2019-12-24 永康雪纺自动化设备有限公司 Automatic dumping drilling equipment
CN110644476A (en) * 2019-10-10 2020-01-03 浙江大学城市学院 Plastic sleeve concrete pile structure capable of eliminating soil squeezing effect and construction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397973A (en) * 2020-11-20 2021-02-23 杭州攀玲机械科技有限公司 Clamping type hot air pipe shrinking device and using method thereof

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