CN110513041B - Movable square drilling device for foundation construction - Google Patents
Movable square drilling device for foundation construction Download PDFInfo
- Publication number
- CN110513041B CN110513041B CN201910915197.4A CN201910915197A CN110513041B CN 110513041 B CN110513041 B CN 110513041B CN 201910915197 A CN201910915197 A CN 201910915197A CN 110513041 B CN110513041 B CN 110513041B
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- Prior art keywords
- driving
- component
- drill boom
- positioning convex
- convex part
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- 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.)
- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 240000004282 Grewia occidentalis Species 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 2
- 239000002689 soil Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a movable square drilling device for foundation construction, which comprises a frame; the device is arranged on the frame; the crawler belt is used for driving the rack to move in position; a central hole digging component arranged at the central part of the mud storage chamber; the shield is matched with the central hole digging component and used for conveying mud generated in the hole digging process to the mud storage chamber; the driving component is used for driving the rack to move up and down; the side hole digging components are used for matching with the central hole digging component to form a square hole; and the translation auxiliary component is used for driving the drill boom to be in positioning fit with the translation driving component after the drill boom moves to the designated position. The center hole digging component and the side hole drilling component can work simultaneously, the operation is labor-saving, and the working efficiency is high; and dig the in-process soon and be drilled out earth will be kept off about the cover and be carried to the mud storage chamber in and save, reduced the work load that later stage workman cleared up the downthehole earth of digging.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a movable square drilling device for foundation construction.
Background
During construction, it is usually necessary to drill a square borehole in the ground before constructing the foundation, and then pour concrete in the borehole to form the foundation. However, the existing digging mode is generally that a digging machine is adopted to dig for a plurality of times to form a digging hole with a rough shape, and then the digging hole is manually shoveled to form a square digging hole, so that the working efficiency is low, and the operation is laborious.
Disclosure of Invention
The movable square drilling device for foundation construction is high in working efficiency and labor-saving in operation, and aims to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: movable square drilling device for foundation construction, comprising
A frame;
the device is arranged on the frame;
the crawler belt is used for driving the rack to move in position;
a central hole digging component arranged at the central part of the mud storage chamber;
the shield is matched with the central hole digging component and used for conveying mud generated in the hole digging process to the mud storage chamber;
the driving component is used for driving the rack to move up and down;
the plurality of side hole digging parts are used for forming a square hole by matching with the central hole digging part and comprise a drill boom capable of rotating, a driving part for driving the drill boom to rotate, a displacement driving part for driving the drill boom to move up and down and a translation driving part for driving the drill boom to move back and forth after the drill boom moves to a designated position;
and the translation auxiliary component is used for driving the drill boom to be in positioning fit with the translation driving component after the drill boom moves to the designated position.
The drilling device is provided with a central hole digging component and side hole drilling components, and a plurality of side hole digging components are distributed in four corners, so that the central hole digging component and the side hole drilling components can work simultaneously to drill out basic holes during hole digging operation; the drilling arm is driven by the translation driving part to move back and forth, the drilling arm still rotates in the process of the back and forth movement, four side lines on the periphery of the central drilling hole are subjected to rotary digging, so that a basically square digging opening can be directly subjected to rotary digging, a small amount of soil remained on the digging opening can be loosened by simple pushing of workers, the operation is labor-saving, and the working efficiency is high; and dig the in-process soon and be carried to the mud storage indoor and save about the fender cover by the earth that drills out, avoid digging the downthehole more earth that exists and influence and dig the effect soon, also reduced the work load that the downthehole earth of later stage workman cleared up for dig the hole operation more laborsaving.
The central hole digging component comprises a drill bit, a spiral material guiding part arranged on the outer wall of the drill bit, a motor connected with the drill bit and a cylinder connected with the motor, the cylinder is arranged outside the mud storage chamber, the lower part of the mud storage chamber is provided with an opening for the drill bit to pass through, the shield is connected with the opening, and the side wall of the spiral part is attached to the inner wall of the shield; the setting of spiral guide portion can enough conveniently enlarge the width of digging soon of drill bit, can cooperate the fender cover again to carry the earth of drilling out to the mud storage chamber on upper portion in, reduce the spare part input of equipment.
The driving part comprises a connecting seat arranged on the side wall of the frame, a fixed seat arranged on the crawler belt and a jacking part arranged on the fixed seat and connected with the connecting seat; the height of the frame relative to the ground can be controlled through the arrangement of the jacking piece, so that the hole digging depth is controlled, and the operation is simple and convenient.
The translation driving part comprises a shell fixedly arranged on the rack, a hydraulic cavity arranged in the shell, a telescopic rod communicated with the hydraulic cavity and a positioning ring arranged on the end part of the telescopic rod, the shells are respectively connected with a hydraulic station through pipelines, and the shells are distributed in a four-corner structure; the multiple hydraulic cavities are supplied with liquid through one hydraulic station, so that the arrangement of power parts is effectively reduced, and the energy consumption is reduced; the extension of the telescopic rod is realized by adopting a hydraulic driving mode, the stroke length is long, the hole digging degree of the device capable of rotary digging is larger, and the construction efficiency is improved.
The translation auxiliary component comprises a first magnet piece arranged at the upper end of the drill boom, a second magnet piece arranged at the lower end of the displacement driving piece, a first positioning convex part and a second positioning convex part which are arranged on the driving piece, a through groove which is arranged on the positioning ring and through which the first positioning convex part and the second positioning convex part pass, and an intermittent driving component for driving the drill boom to rotate intermittently; the first positioning convex part and the second positioning convex part are distributed up and down, and the distance between the first positioning convex part and the second positioning convex part is equal to the thickness of the positioning ring; when the drill boom moves downwards to the position where the positioning ring is located between the first positioning convex part and the second positioning convex part, the intermittent driving assembly drives the drill boom to rotate, so that the through groove and the first positioning convex part and the second positioning convex part are staggered; with the structure, the drilling arm can be driven by the same rotary driving part to rotate in the processes of longitudinal rotary digging and lateral rotary digging through one power part, so that the arrangement of a plurality of rotary driving parts is avoided, and the energy consumption is saved; in the structure, the lateral rotary digging can be effectively ensured after the drilling arm completes the longitudinal rotary digging, and a special controller is not needed for program limitation or an inductor is not needed for induction control, so that the structure of the device is simpler, and the cost of the device is just low; the belt body program or induction control is adopted in a pure mechanical matching mode, so that the failure rate is lower, and the service life is long.
The intermittent driving assembly comprises rotary seats connected with the upper end of the displacement driving piece, external tooth pieces arranged on the rotary seats, racks meshed with the external tooth pieces on the four rotary seats, a gear piece fixedly arranged on one of the rotary seats, a driving gear meshed with the gear piece and a rotary driving piece connected with the driving gear; the upper part of the rotating seat is rotatably arranged on the rack in a penetrating way and is matched with the rack in an anti-falling way; with the structure, the four rotary seats can be synchronously adjusted to rotate only by arranging one driving piece, so that the energy consumption is saved; and the action among the four drill booms is ensured to keep consistent, and the hole digging efficiency is improved.
A lateral drilling part is arranged on the outer wall of the drilling arm; under this kind of structure for the drill boom can relax the earth of side earlier through sidetracking portion when lateral shifting, makes the removal of drill boom more smooth and easy.
The side drilling part is a spiral convex rib which is arranged on the outer surface of the drill boom and protrudes out of the outer surface of the drill boom, and the outer side of the convex rib is a cutting edge; the arrangement of the cutting edge enables the drill boom to loosen soil more easily when the drill boom moves laterally; and the spiral setting makes the drill boom can upwards carry the soil of boring the pine to ground when lateral shifting, effectively reduces the influence that soil caused to the drill boom removal.
The center hole digging component and the side hole drilling component can work simultaneously, the operation is labor-saving, and the working efficiency is high; and dig the in-process soon and be drilled out earth will be kept off about the cover and be carried to the mud storage chamber in and save, reduced the work load that later stage workman cleared up the downthehole earth of digging.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view taken along line a-a of fig. 2.
Fig. 4 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is a sectional view taken along line G-G in fig. 2.
Detailed Description
As shown in fig. 1 to 6, a movable square drilling device for foundation construction comprises a frame 1, a mud storage chamber 2 arranged on the frame, a crawler 3 for driving the frame to move, a central hole digging component arranged on the central portion of the mud storage chamber 2, a shield 4 for cooperating with the central hole digging component to convey mud generated in the hole digging process to the mud storage chamber 2, a driving component for driving the frame 1 to move up and down, a plurality of side hole digging components distributed at four corners and a translation auxiliary component, wherein the plurality of side hole digging components are used for cooperating with the central hole digging component to form a square hole, and the translation auxiliary component is used for driving a drill boom 51 to be in positioning fit with the translation driving component after the drill boom 51 moves to a designated position.
Specifically, the side hole digging part comprises a drill boom 51 capable of rotating, a driving part 52 for driving the drill boom to rotate, a displacement driving part 53 for driving the drill boom to move up and down, and a translation driving part for driving the drill boom 51 to move back and forth after the drill boom moves to a specified position; the outer wall of the drill boom 51 is provided with a side drilling part 511, the side drilling part 511 is a spiral convex rib which is arranged on the outer surface of the drill boom and protrudes out of the outer surface of the drill boom 51, the convex rib and the drill boom are integrally formed, and the outer side of the convex rib is provided with a cutting edge; the driving part is a motor purchased from the market, and the displacement driving part is a hydraulic rod purchased from the market; the translation driving component comprises a shell 71 fixedly arranged on the rack, a hydraulic cavity arranged in the shell, a telescopic rod 72 communicated with the hydraulic cavity and a positioning ring 73 arranged on the end part of the telescopic rod, the shells 71 are respectively connected with a hydraulic station 74 through pipelines 75, and the shells 71 are distributed in a four-corner structure; wherein, the telescopic rod is two rods which are mutually sleeved and matched in a sealing way. When hydraulic oil is pressed into the hydraulic cavity, the rod will extend; the hydraulic station can be obtained by direct purchase on the market and is not described any more.
The translation auxiliary component comprises a first magnet piece 81 arranged at the upper end of the drill boom, a second magnet piece 82 arranged at the lower end of the displacement driving piece, a first positioning convex part 83 and a second positioning convex part 84 arranged on the driving piece, a through groove 85 arranged on the positioning ring for the first positioning convex part and the second positioning convex part to pass through, and an intermittent driving component for driving the drill boom to rotate intermittently; the first positioning convex part and the second positioning convex part are distributed up and down, and the distance between the first positioning convex part and the second positioning convex part is equal to the thickness of the positioning ring 73; when the drill boom 51 moves downwards to a position where the positioning ring 73 is located between the first and second positioning protrusions, the intermittent drive assembly drives the drill boom to rotate, so that the through groove 85 and the first and second positioning protrusions are dislocated with each other; the first magnet piece 81 and the second magnet piece 82 are magnets purchased from the market, the first magnet piece 81 is fixedly embedded on the drill boom, and the second magnet piece 82 is fixedly embedded on the displacement driving piece; the first and second positioning protrusions are metal protrusions fixed on the housing of the driving member by screws.
The intermittent driving assembly comprises a rotating seat 91 connected with the upper end of the displacement driving piece, an external gear 92 arranged on the rotating seat, a rack 93 meshed with the external gear on the four rotating seats, a gear 94 fixedly arranged on one of the rotating seats, a driving gear 95 meshed with the gear and a rotary driving piece 96 connected with the driving gear; the upper part of the rotating seat 91 is rotatably arranged on the frame 1 in a penetrating way and is matched with the frame 1 in an anti-falling way; wherein, the outer tooth piece is a circle of convex teeth which are uniformly distributed at intervals and arranged on the outer surface of the rotating seat, and the convex teeth and the rotating seat are integrally formed; the rack is the hold-in range that the purchase obtained on the market, and gear spare and drive gear are the gear that the purchase obtained on the market, and rotatory driving piece then is the motor, and drive gear links to each other with the output shaft of motor.
The central hole digging part comprises a metal drill bit 61, a spiral material guiding part 62 arranged on the outer wall of the drill bit, a motor connected with the drill bit and a cylinder 63 connected with the motor, the cylinder is arranged outside the mud storage chamber 2, the lower part of the mud storage chamber 2 is arranged at an opening 21 for the drill bit to pass through, the shield cover 4 is connected with the opening, and the side wall of the spiral material guiding part 62 is attached to the inner wall of the shield cover 4; wherein, the spiral material guiding part and the drill bit are integrally formed; the driving part comprises a connecting seat 11 arranged on the side wall of the frame, a fixed seat 12 arranged on the crawler belt and a jacking part 13 arranged on the fixed seat and connected with the connecting seat, and the jacking part is preferably a hydraulic rod.
The specific working principle is as follows: the device is moved to a position where a hole needs to be dug through the action of the crawler, then the drill bit and the drill arms distributed at four corners synchronously rotate, and the drill bit and the drill arms rotate and move downwards at the same time of rotating, so that the ground is rotationally dug; after the rotary drilling is carried out to the specified depth, the rotary drilling of the drill bit is stopped; at the moment, the first positioning convex part just penetrates through the through groove, so that the positioning ring is displaced between the first positioning convex part and the second positioning convex part; then the rotary driving piece is started to drive the rack to rotate, and further drive the driving piece to rotate, so that the first positioning convex part and the second positioning convex part are staggered with the through groove, and the rotary driving piece is stopped immediately; then the displacement driving piece is reset to an initial state, and the first magnetic block and the second magnetic block are mutually disconnected; and then the hydraulic station is started to charge hydraulic oil into the shell, so that the telescopic rod extends outwards to drive the drill boom to move laterally, and the drill boom rotates simultaneously, so that the side wall sideline of the central drilling hole is dug in a rotary manner.
Claims (8)
1. The utility model provides a foundation construction is with portable square drilling equipment which characterized in that: comprises that
A frame (1);
a mud storage chamber (2) arranged on the frame;
a crawler belt (3) for driving the frame to move;
a central hole digging component arranged at the central part of the mud storage chamber (2);
the shield cover (4) is matched with the central hole digging component to convey mud generated in the hole digging process to the mud storage chamber (2);
the driving component is used for driving the rack (1) to move up and down;
the side hole digging components are used for forming a square hole by matching with the central hole digging component and comprise a drill boom (51) capable of rotating, a driving piece (52) used for driving the drill boom to rotate, a displacement driving piece (53) used for driving the drill boom to move up and down and a translation driving component used for driving the drill boom (51) to move back and forth after the drill boom moves to a specified position;
and the translation auxiliary component is used for driving the drill boom (51) to be in positioning fit with the translation driving component after the drill boom (51) is moved to the designated position.
2. The movable square drilling device for foundation construction according to claim 1, wherein: the center hole digging component comprises a drill bit (61), a spiral material guiding part (62) arranged on the outer wall of the drill bit, a motor connected with the drill bit and a cylinder (63) connected with the motor, the cylinder is arranged outside the mud storage chamber (2), an opening (21) for the drill bit to pass through is formed in the lower part of the mud storage chamber (2), the blocking cover (4) is connected with the opening, and the side wall of the spiral material guiding part (62) is attached to the inner wall of the blocking cover (4).
3. The movable square drilling device for foundation construction according to claim 1, wherein: the driving part comprises a connecting seat (11) arranged on the side wall of the frame, a fixed seat (12) arranged on the crawler belt and a jacking piece (13) arranged on the fixed seat and connected with the connecting seat.
4. The movable square drilling device for foundation construction according to claim 1, wherein: the translation driving part comprises a shell (71) fixedly arranged on the rack, a hydraulic cavity arranged in the shell, a telescopic rod (72) communicated with the hydraulic cavity and a positioning ring (73) arranged on the end part of the telescopic rod, the shells (71) are respectively connected with a hydraulic station (74) through pipelines (75), and the shells (71) are distributed in a four-corner structure.
5. The movable square drilling device for foundation construction according to claim 4, wherein: the translation auxiliary component comprises a first magnet piece (81) arranged at the upper end of the drill boom, a second magnet piece (82) arranged at the lower end of the displacement driving piece, a first positioning convex part (83) and a second positioning convex part (84) arranged on the driving piece, a through groove (85) arranged on the positioning ring and used for the first positioning convex part and the second positioning convex part to pass through, and an intermittent driving component used for driving the drill boom to rotate intermittently; the first positioning convex part and the second positioning convex part are distributed up and down, and the distance between the first positioning convex part and the second positioning convex part is equal to the thickness of the positioning ring (73); when the drill arm (51) moves downwards to a position where the positioning ring (73) is positioned between the first positioning convex part and the second positioning convex part, the intermittent driving assembly drives the drill arm to rotate, so that the through groove (85) and the first positioning convex part and the second positioning convex part are mutually dislocated.
6. The movable square drilling device for foundation construction according to claim 5, wherein: the intermittent driving component comprises a rotating seat (91) connected with the upper end of the displacement driving component, an external tooth piece (92) arranged on the rotating seat, a rack (93) meshed with the external tooth pieces on the four rotating seats, a gear piece (94) fixedly arranged on one of the rotating seats, a driving gear (95) meshed with the gear piece and a rotary driving component (96) connected with the driving gear; the upper part of the rotating seat (91) is rotatably arranged on the rack (1) in a penetrating way and is matched with the rack (1) in an anti-falling way.
7. The movable square drilling device for foundation construction according to claim 6, wherein: the outer wall of the drill boom (51) is provided with a lateral drilling part (511).
8. The movable square drilling device for foundation construction according to claim 7, wherein: the side drilling part (511) is a spiral convex rib which is arranged on the outer surface of the drill boom and protrudes out of the outer surface of the drill boom (51), and the outer side of the convex rib is a cutting edge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011473148.9A CN112324330A (en) | 2019-09-26 | 2019-09-26 | Drilling device for foundation construction |
| CN201910915197.4A CN110513041B (en) | 2019-09-26 | 2019-09-26 | Movable square drilling device for foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915197.4A CN110513041B (en) | 2019-09-26 | 2019-09-26 | Movable square drilling device for foundation construction |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011473148.9A Division CN112324330A (en) | 2019-09-26 | 2019-09-26 | Drilling device for foundation construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513041A CN110513041A (en) | 2019-11-29 |
| CN110513041B true CN110513041B (en) | 2021-04-06 |
Family
ID=68633717
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910915197.4A Expired - Fee Related CN110513041B (en) | 2019-09-26 | 2019-09-26 | Movable square drilling device for foundation construction |
| CN202011473148.9A Withdrawn CN112324330A (en) | 2019-09-26 | 2019-09-26 | Drilling device for foundation construction |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011473148.9A Withdrawn CN112324330A (en) | 2019-09-26 | 2019-09-26 | Drilling device for foundation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110513041B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952920B (en) * | 2019-12-24 | 2024-08-27 | 青海岩土工程勘察咨询有限公司 | Drilling device for square holes |
| CN113026754A (en) * | 2021-04-20 | 2021-06-25 | 王须峰 | Building pile driver |
| CN113931050B (en) * | 2021-10-28 | 2022-11-18 | 山东路达工程设计咨询有限公司 | Highway pavement repairing structure and repairing method thereof |
| CN114351780A (en) * | 2022-01-17 | 2022-04-15 | 郭艳怀 | Landscape brightening engineering is with installation auxiliary device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095748Y (en) * | 2007-09-28 | 2008-08-06 | 天津深基工程有限公司 | Rectangular and square filling pile pore-forming combined drilling tool |
| JP6049070B2 (en) * | 2013-02-18 | 2016-12-21 | 有限会社丸高重量 | Drilling rod |
| JP2015031147A (en) * | 2013-08-05 | 2015-02-16 | 貴之 池田 | Concrete block for foundation, and planar foundation structure using the same |
| CN104196450A (en) * | 2014-08-25 | 2014-12-10 | 江苏长城石油装备制造有限公司 | Improved drilling tool for soft geological layer reinforcement |
-
2019
- 2019-09-26 CN CN201910915197.4A patent/CN110513041B/en not_active Expired - Fee Related
- 2019-09-26 CN CN202011473148.9A patent/CN112324330A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN112324330A (en) | 2021-02-05 |
| CN110513041A (en) | 2019-11-29 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Wei Inventor after: Cai Qun Inventor after: Cai Lunjie Inventor before: Cai Qun Inventor before: Cai Lunjie |
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Effective date of registration: 20210318 Address after: No.23, Gaofeng village, Beizhang Town, Shengzhou City, Shaoxing City, Zhejiang Province Applicant after: Wang Wei Address before: 312599 dingjiayuan village, Yulin street, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Cai Qun |
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