CN116398043A - Low-carbon-emission building construction foundation drilling equipment - Google Patents
Low-carbon-emission building construction foundation drilling equipment Download PDFInfo
- Publication number
- CN116398043A CN116398043A CN202310650838.4A CN202310650838A CN116398043A CN 116398043 A CN116398043 A CN 116398043A CN 202310650838 A CN202310650838 A CN 202310650838A CN 116398043 A CN116398043 A CN 116398043A
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- CN
- China
- Prior art keywords
- fixed
- supporting rod
- rod
- plate
- mounting
- 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.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 54
- 238000009435 building construction Methods 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 239000002689 soil Substances 0.000 abstract description 31
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
- E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
Abstract
The invention discloses low-carbon-emission building construction foundation drilling equipment, and relates to the technical field of building construction. The hydraulic lifting device comprises a mounting frame, wherein a drilling structure is fixed on the top surface of the mounting frame, a shielding circular plate is fixed on the drilling structure, a soil retaining structure is connected to the middle of the bottom surface of the mounting frame, and mounting seats are fixed on the top surfaces of an auxiliary telescopic rod and a vertical hydraulic cylinder. This ground drilling equipment removes suitable position through first universal wheel and second universal wheel, and the user opens the motor work afterwards, and the output of motor can drive the bolt piece rotatory through the transfer line, can realize the bolt piece and to the position drilling of construction at this moment, shelter from the disk and can block the soil of construction position, can avoid the soil that the bolt piece bore to splash everywhere this moment, adjusts the pneumatic cylinder and also can pass through the degree of depth that the mounting panel adjusting bolt piece was bored, and then the transfer line of being convenient for drives the bolt piece and stably drills to the building site.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to low-carbon-emission building construction foundation drilling equipment.
Background
The invention discloses a building construction foundation drilling device, which particularly relates to the field of foundation drilling, and comprises a supporting mechanism, wherein the top of the supporting mechanism is provided with a main body mechanism, the bottom of the supporting mechanism comprises a bottom plate, the bottom of the bottom plate is provided with a plurality of universal wheels, the top of the universal wheels is fixedly provided with a supporting rod, the main body mechanism comprises a drilling rod, the top of the drilling rod is fixedly provided with a first motor, two sides of the first motor are respectively provided with a second motor and a third motor, the bottoms of the second motor and the third motor are provided with reciprocating screw rods, the bottoms of the reciprocating screw rods are fixedly provided with reinforcing collars, and a plurality of scraping plates are sequentially and equidistantly arranged on the outer circumferential wall of each reinforcing collar. According to the invention, the scraping plate is arranged at the bottom of the reciprocating screw rod, so that the soil is rotationally swept by the rotating reciprocating screw rod while the soil is drilled by the drilling rod, the soil is far away from the orifice, the condition that the soil is filled into the hole is avoided, and the soil is more convenient to use in practice. The foundation drilling equipment can have a better practical use effect when in actual use, but the foundation drilling equipment is not provided with a structure for protecting a foundation opening, and the position of the foundation opening is easy to collapse when a building site is drilled, so that the building site is inconvenient for a subsequent user to construct.
Therefore, the existing foundation drilling equipment cannot meet the requirements in practical use, so that there is an urgent need for improved technology in the market to solve the above problems.
Disclosure of Invention
The invention aims to provide low-carbon-emission building construction foundation drilling equipment so as to solve the problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to low-carbon-emission building construction foundation drilling equipment which comprises a mounting frame, wherein a drilling structure is fixed on the top surface of the mounting frame, a shielding circular plate is fixed on the drilling structure, a soil retaining structure is connected to the middle of the bottom surface of the mounting frame, the soil retaining structure comprises a pressing plate, an auxiliary telescopic rod and a vertical hydraulic cylinder which are fixed on the top surface of the pressing plate, a columnar pipe fixed on the bottom surface of the pressing plate, a pressing round corner arranged at the connecting part of the columnar pipe and the pressing plate, and an inserting round corner arranged on the lower part of the outer wall of the columnar pipe, mounting seats are fixed on the top surfaces of the auxiliary telescopic rod and the vertical hydraulic cylinder, the top surfaces of the mounting seats are fixed with the mounting frame, a screwed joint is rotationally connected to the output end of the auxiliary telescopic rod, and the output end of the screwed joint is fixed with the top surface of the pressing plate.
Further, the drilling structure comprises a mounting plate, a motor fixed on the top surface of the mounting plate, an adjusting telescopic rod fixed on one side of the bottom surface of the mounting plate, an adjusting hydraulic cylinder fixed on the other side of the bottom surface of the mounting plate, a transmission rod fixed with an output shaft of the motor and a bolt piece fixed on the outer wall of the transmission rod.
Further, the output shaft of motor runs through with the mounting panel, the transfer line runs through with the through-hole, the bottom surface of adjusting telescopic link and adjusting pneumatic cylinder is fixed with the top surface of mounting bracket, transfer line and through-hole coaxial distribution.
Further, the inner wall of the through hole is fixed with a circular ring, the shielding disc is fixed on the upper portion of the transmission rod, and the shielding disc is not in contact with the circular ring.
Further, the bottom surface of mounting bracket is located one side of through hole and is fixed with first branch and fourth branch, be fixed with first horizontal pole between first branch and the fourth branch, the lower extreme and the first fixed plate of first branch and fourth branch are connected, the upper end and the stationary blade of first branch and fourth branch are connected, the bottom surface of first fixed plate is connected with first universal wheel.
Further, the bottom surface of mounting bracket is located the opposite side of through hole and is fixed with second branch and third branch, be fixed with the second horizontal pole between second branch and the third branch, the lower extreme and the second fixed plate of second branch and third branch are fixed, the upper end and the stationary blade of second branch and third branch are fixed, the lower extreme of second fixed plate is connected with the second universal wheel.
Further, a push rod is fixed on the mounting frame, the pressing plates are distributed in parallel with the mounting frame, and the shielding wafer is parallel to the pressing plates.
The invention has the following beneficial effects:
this ground drilling equipment is when in actual use, the user removes suitable position with this equipment through first universal wheel and second universal wheel in advance, then the user opens the motor work, the output of motor can drive the bolt piece rotatory through the transfer line, can realize the bolt piece and bore to the position of construction at this moment, the transfer line drives the bolt piece and bore to the position of construction when, shelter from the disk and can block the soil of construction position, can avoid the soil that the bolt piece bore to splash everywhere this moment, adjust the pneumatic cylinder also can be through the degree of depth of mounting panel adjusting bolt piece drilling, and then the transfer line of being convenient for drives the bolt piece and stably bore to the building site.
When the foundation drilling equipment is in actual use, when the transmission rod drives the bolt piece to drill a building site, the vertical hydraulic cylinder can drive the columnar pipe to be inserted on the building site through the pressing plate, the outer wall of the columnar pipe can extrude the inner wall of the drill hole, at the moment, the soil of the inner wall of the drill hole can be tamped, and the collapse of the soil of the inner wall of the drill hole can be avoided.
This ground drilling equipment when in-service use, vertical pneumatic cylinder can drive the column pipe through the clamp plate and support the inner wall of pressing at the drilling, can realize the soil compaction of column pipe to the inner wall of drilling this moment, when the clamp plate supports the surface of pressing at soil, supports the clamp plate and can support the soil of soil surface and press, can further avoid the soil around the drilling to appear the phenomenon of collapsing, supports the soil that presses the fillet can be to the edge of drilling and supports the pressure, when the column pipe is taken out from the inside of drilling, can play better separation effect to the column pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a block diagram showing the connection of the soil guard structure to the mounting frame in accordance with the present invention;
FIG. 3 is a schematic view of a drilling structure according to the present invention;
FIG. 4 is a diagram showing the connection structure of the bolt pieces and the shielding circular piece with the transmission rod in the invention;
FIG. 5 is a schematic view of a soil guard structure according to the present invention;
FIG. 6 is a view showing the structure of the connection between the fixing plate and the second and third supporting rods in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a first cross bar; 2. a first strut; 3. a first fixing plate; 4. a first universal wheel; 5. inserting round corners; 6. an auxiliary telescopic rod; 7. a columnar tube; 8. bolt pieces; 9. a pressing plate; 10. a second strut; 11. a second universal wheel; 12. a third strut; 13. a second cross bar; 14. a vertical hydraulic cylinder; 15. a circular ring; 16. a through hole; 17. a push rod; 18. adjusting a hydraulic cylinder; 19. a motor; 20. shielding the wafer; 21. a mounting plate; 22. adjusting the telescopic rod; 23. a mounting frame; 24. a fixing piece; 25. pressing the round corners; 26. a second fixing plate; 27. a fourth strut; 28. a transmission rod; 29. a mounting base; 30. a threaded joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the invention discloses a low-carbon-emission building construction foundation drilling device, which comprises a mounting frame 23, wherein a drilling structure is fixed on the top surface of the mounting frame 23, a shielding circular plate 20 is fixed on the drilling structure, a retaining structure is connected to the bottom surface of the mounting frame 23 at the middle part, the retaining structure comprises a pressing plate 9, an auxiliary telescopic rod 6 and a vertical hydraulic cylinder 14 which are fixed on the top surface of the pressing plate 9, a columnar pipe 7 fixed on the bottom surface of the pressing plate 9, a pressing round corner 25 arranged at the connecting part of the columnar pipe 7 and the pressing plate 9, and an inserting round corner 5 arranged on the lower part of the outer wall of the columnar pipe 7, a mounting seat 29 is fixed on the top surfaces of the auxiliary telescopic rod 6 and the vertical hydraulic cylinder 14, the top surface of the mounting seat 29 is fixed with the mounting frame 23, a threaded joint 30 is rotationally connected to the output end of the auxiliary telescopic rod 6, and the output end of the threaded joint 30 is fixed with the top surface of the pressing plate 9;
when the foundation drilling equipment is in actual use, a user moves the equipment to a proper position through the first universal wheel 4 and the second universal wheel 11 in advance, then the user starts the motor 19 to work, the output end of the motor 19 can drive the bolt sheet 8 to rotate through the transmission rod 28, the bolt sheet 8 can be used for drilling holes on the positions of building construction at the moment, the transmission rod 28 drives the bolt sheet 8 to drill holes on the positions of building construction, the shielding disc 20 can block soil on the positions of building construction, at the moment, the drilled soil of the bolt sheet 8 can be prevented from splashing everywhere, the adjusting hydraulic cylinder 18 can also be used for adjusting the drilling depth of the bolt sheet 8 through the mounting plate 21, the transmission rod 28 is convenient for driving the bolt sheet 8 to stably drill holes on the building site, when the transmission rod 28 drives the bolt sheet 8 to drill holes on the building site, the vertical hydraulic cylinder 14 can drive the columnar tube 7 to be inserted on the building site through the pressing plate 9, the outer wall of the columnar tube 7 can be used for extruding the inner wall of the drilled holes, at the moment, the collapse of the soil on the inner wall of the drilled holes can be avoided.
The drilling structure comprises a mounting plate 21, a motor 19 fixed on the top surface of the mounting plate 21, an adjusting telescopic rod 22 fixed on one side of the bottom surface of the mounting plate 21, an adjusting hydraulic cylinder 18 fixed on the other side of the bottom surface of the mounting plate 21, a transmission rod 28 fixed with the output shaft of the motor 19 and a bolt piece 8 fixed on the outer wall of the transmission rod 28, wherein the output shaft of the motor 19 penetrates through the mounting plate 21, the transmission rod 28 penetrates through a through hole 16, the bottom surfaces of the adjusting telescopic rod 22 and the adjusting hydraulic cylinder 18 are fixed on the top surface of a mounting frame 23, the transmission rod 28 and the through hole 16 are coaxially distributed, a circular ring 15 is fixed on the inner wall of the through hole 16, a shielding circular ring 20 is fixed on the upper part of the transmission rod 28, the shielding circular ring 20 is not contacted with the circular ring 15, a first supporting rod 2 and a fourth supporting rod 27 are fixed on one side of the bottom surface of the mounting frame 23 positioned on the through hole 16, a first cross rod 1 is fixed between the first support rod 2 and the fourth support rod 27, the lower ends of the first support rod 2 and the fourth support rod 27 are connected with a first fixing plate 3, the upper ends of the first support rod 2 and the fourth support rod 27 are connected with a fixing plate 24, the bottom surface of the first fixing plate 3 is connected with a first universal wheel 4, a second support rod 10 and a third support rod 12 are fixed on the other side of a through hole 16 on the bottom surface of a mounting frame 23, a second cross rod 13 is fixed between the second support rod 10 and the third support rod 12, the lower ends of the second support rod 10 and the third support rod 12 are fixed with a second fixing plate 26, the upper ends of the second support rod 10 and the third support rod 12 are fixed with the fixing plate 24, the lower end of the second fixing plate 26 is connected with a second universal wheel 11, a push rod 17 is fixed on the mounting frame 23, a pressing plate 9 is distributed in parallel with the mounting frame 23, and a shielding disc 20 is parallel to the pressing plate 9;
this ground drilling equipment when in actual use, vertical pneumatic cylinder 14 can drive the cylinder pipe 7 through the clamp plate 9 and support the inner wall of pressing at the drilling, can realize the soil compaction of cylinder pipe 7 to the inner wall of drilling this moment, when clamp plate 9 supports the surface of pressing at soil, clamp plate 9 can support the soil of soil surface and press, can further avoid the soil around the drilling to appear the phenomenon of collapsing, supports the soil that presses the fillet 25 can press the drilling edge, when cylinder pipe 7 is taken out from the inside of drilling, can play better separation effect to cylinder pipe 7.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present invention.
Claims (7)
1. The utility model provides a construction foundation drilling equipment of low carbon emission, includes mounting bracket (23), the top surface of mounting bracket (23) is fixed with drilling structure, its characterized in that: the drilling structure is fixedly provided with a shielding circular plate (20), the bottom surface of the mounting frame (23) is connected with a retaining structure in the middle, the retaining structure comprises a pressing plate (9), an auxiliary telescopic rod (6) and a vertical hydraulic cylinder (14) which are fixed on the top surface of the pressing plate (9), a columnar pipe (7) which is fixed on the bottom surface of the pressing plate (9), a pressing circular angle (25) which is arranged at the connecting part of the columnar pipe (7) and the pressing plate (9) and an inserting circular angle (5) which is arranged on the lower part of the outer wall of the columnar pipe (7) are arranged, a mounting seat (29) is fixed on the top surfaces of the auxiliary telescopic rod (6) and the vertical hydraulic cylinder (14), a threaded joint (30) is rotationally connected with the output end of the auxiliary telescopic rod (6), and the top surface of the pressing plate (9) are fixed.
2. The low-carbon-emission building construction foundation drilling equipment according to claim 1, wherein the drilling structure comprises a mounting plate (21), a motor (19) fixed on the top surface of the mounting plate (21), an adjusting telescopic rod (22) fixed on one side of the bottom surface of the mounting plate (21), an adjusting hydraulic cylinder (18) fixed on the other side of the bottom surface of the mounting plate (21), a transmission rod (28) fixed with the output shaft of the motor (19) and a bolt piece (8) fixed on the outer wall of the transmission rod (28).
3. The low-carbon-emission building construction foundation drilling equipment according to claim 2, wherein an output shaft of the motor (19) penetrates through the mounting plate (21), the transmission rod (28) penetrates through the penetrating hole (16), the bottom surfaces of the adjusting telescopic rod (22) and the adjusting hydraulic cylinder (18) are fixed with the top surface of the mounting frame (23), and the transmission rod (28) and the penetrating hole (16) are coaxially distributed.
4. A low carbon emission construction foundation drilling device according to claim 3, wherein the inner wall of the through hole (16) is fixed with a circular ring (15), the shielding disc (20) is fixed on the upper part of the transmission rod (28), and the shielding disc (20) is not contacted with the circular ring (15).
5. The low-carbon-emission building construction foundation drilling equipment according to claim 1, wherein a first supporting rod (2) and a fourth supporting rod (27) are fixed on one side, located at a through hole (16), of the bottom surface of the mounting frame (23), a first transverse rod (1) is fixed between the first supporting rod (2) and the fourth supporting rod (27), the lower ends of the first supporting rod (2) and the fourth supporting rod (27) are connected with a first fixing plate (3), the upper ends of the first supporting rod (2) and the fourth supporting rod (27) are connected with a fixing plate (24), and a first universal wheel (4) is connected with the bottom surface of the first fixing plate (3).
6. The low-carbon-emission building construction foundation drilling equipment according to claim 1, wherein a second supporting rod (10) and a third supporting rod (12) are fixed on the other side of the through hole (16) on the bottom surface of the mounting frame (23), a second transverse rod (13) is fixed between the second supporting rod (10) and the third supporting rod (12), the lower ends of the second supporting rod (10) and the third supporting rod (12) are fixed with a second fixing plate (26), the upper ends of the second supporting rod (10) and the third supporting rod (12) are fixed with a fixing plate (24), and a second universal wheel (11) is connected to the lower end of the second fixing plate (26).
7. The low-carbon-emission building construction foundation drilling equipment according to claim 1, wherein push rods (17) are fixed on the mounting frame (23), the pressing plates (9) are distributed in parallel with the mounting frame (23), and the shielding circular plates (20) are parallel to the pressing plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310650838.4A CN116398043B (en) | 2023-06-05 | 2023-06-05 | Low-carbon-emission building construction foundation drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310650838.4A CN116398043B (en) | 2023-06-05 | 2023-06-05 | Low-carbon-emission building construction foundation drilling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116398043A true CN116398043A (en) | 2023-07-07 |
| CN116398043B CN116398043B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310650838.4A Active CN116398043B (en) | 2023-06-05 | 2023-06-05 | Low-carbon-emission building construction foundation drilling equipment |
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| CN216341897U (en) * | 2021-12-09 | 2022-04-19 | 山西省水利建筑工程局有限公司 | A combination formula drilling equipment for water conservancy construction |
| CN216690975U (en) * | 2021-10-13 | 2022-06-07 | 中建三局第一建设工程有限责任公司 | Prevent extrusion formula drilling equipment in hole that collapses |
| CN217327172U (en) * | 2022-02-18 | 2022-08-30 | 于磊 | Drilling equipment of municipal garden road bridge construction usefulness |
| CN115853433A (en) * | 2023-02-23 | 2023-03-28 | 山西冶金岩土工程勘察有限公司 | Rotary drilling auxiliary device of rotary drilling rig and rotary drilling rig |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03107090A (en) * | 1989-09-21 | 1991-05-07 | Okuno Kensetsu:Kk | Drilling device of hole for manhole in soft ground and drilling method using device thereof |
| DE4430874A1 (en) * | 1994-08-31 | 1996-03-07 | Vierling Heiner Dipl Ing Fh | Ground e.g. soil sample core acquisition using esp. small-bore techniques |
| JPH08105283A (en) * | 1994-10-04 | 1996-04-23 | Aichi Corp | Excavating device and excavating method using excavating device |
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| CN216341897U (en) * | 2021-12-09 | 2022-04-19 | 山西省水利建筑工程局有限公司 | A combination formula drilling equipment for water conservancy construction |
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| Publication number | Publication date |
|---|---|
| CN116398043B (en) | 2023-08-29 |
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