CN112196495B - Accumulated soil falling prevention device for rotary digging pile hole - Google Patents
Accumulated soil falling prevention device for rotary digging pile hole Download PDFInfo
- Publication number
- CN112196495B CN112196495B CN202010974832.9A CN202010974832A CN112196495B CN 112196495 B CN112196495 B CN 112196495B CN 202010974832 A CN202010974832 A CN 202010974832A CN 112196495 B CN112196495 B CN 112196495B
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- plate
- falling
- stopping
- side plate
- supporting seat
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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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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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
- E21B12/00—Accessories for drilling tools
Abstract
The invention relates to the technical field of rotary pile holes, and discloses a soil accumulation and falling prevention device for a rotary pile hole, which comprises a first falling prevention side plate, a second falling prevention side plate, a support rod and a first falling prevention top plate, wherein the second falling prevention side plate is positioned on the right side of the first falling prevention side plate, the left end of the support rod is fixedly clamped with a first support seat, the right end of the support rod is fixedly clamped with a second support seat, and the first falling prevention top plate is positioned on the right side wall of a top plate insert block and is fixedly connected with the first falling prevention top plate; through setting up first curb plate and the second curb plate that only falls for prop up and keep off and expand end stake hole top side amass soil, when preventing to dig the stake hole soon, top side amass soil drops, guarantee construction safety, through setting up first roof and the second roof that only falls for prop up and keep off and expand end stake hole top amass soil, when preventing to dig the stake hole soon, top amass soil drops, guarantee construction safety, convenient follow-up use machinery is dug soon and is expanded the end stake.
Description
Technical Field
The invention relates to the technical field of rotary pile holes, in particular to a soil accumulation and falling prevention device for a rotary pile hole.
Background
In the foundation pile construction process of highways, railways, bridges and large buildings, the foundation pile construction method goes through the process of continuous technical innovation from traditional manual excavation to mechanical rotary pile construction. The diameter of the traditional pile hole is enlarged at the bottom of the manual hole digging pile, so that the traditional pile hole digging pile is called as a manual hole digging pedestal pile.
However, the pile hole has the following defects: the labor intensity in hole digging is high, the construction speed of a single pile is low, particularly, the safety is poor, dangerous situations such as collapse easily occur, when gas possibly generated by humus in a soil layer escapes into the hole, a large amount of toxic gas can be deposited at the bottom of the pile hole, and potential safety hazards are brought to construction safety.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a deposited soil falling prevention device for a rotary digging pile hole, which solves the problems that the labor intensity is high, the single pile construction speed is low, especially, the safety is poor, the collapse is easy to happen and the like, and when gas possibly generated by humus in a soil layer is dissipated into the hole, a large amount of toxic gas is deposited at the bottom of the pile hole, so that the potential safety hazard is brought to the construction safety.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a soil accumulation falling prevention device for rotary excavating pile holes comprises a first falling prevention side plate, a first supporting seat, a second falling prevention side plate, a second supporting seat, a supporting rod, a first slot, a second slot, a first inserting plate, a second inserting plate, a third inserting plate, a fourth inserting plate, a first bending plate, a third slot, a second bending plate, a top plate inserting block, a first falling prevention top plate and a second falling prevention top plate, wherein the first supporting seat is positioned on the right side wall of the first falling prevention side plate and is fixedly connected with the first falling prevention side plate, the second falling prevention side plate is positioned on the right side of the first falling prevention side plate, the second supporting seat is positioned on the left side wall of the second falling prevention side plate and is fixedly connected with the second falling prevention side plate, the left end of the supporting rod is fixedly clamped with the first supporting seat, the right end of the supporting rod is fixedly clamped with the second supporting seat, the first inserting groove is formed above the front surface of the first falling prevention side plate and is close to the upper part of the first supporting seat, the second slot is arranged below the front surface of the first falling-stopping side plate close to the first supporting seat, the first plug board penetrates through the top of the right side wall of the first falling-stopping side plate close to the first supporting seat, the first plug board is fixedly spliced with the first falling-stopping side plate, the second plug board penetrates through the bottom of the right side wall of the first falling-stopping side plate close to the first supporting seat, the second plug board is fixedly spliced with the first falling-stopping side plate, the third plug board penetrates through the top of the left side wall of the second falling-stopping side plate close to the second supporting seat, the third plug board is fixedly spliced with the second falling-stopping side plate, the fourth plug board penetrates through the bottom of the left side wall of the second falling-stopping side plate close to the second supporting seat, the fourth plug board is fixedly spliced with the second falling-stopping side plate, the first bent board is positioned on the upper surface of the first falling-stopping side plate, and with first falling-stopping curb plate fixed connection, the third slot has been seted up to first bent plate front surface, the second bent plate is located second falling-stopping curb plate upper surface, and with second falling-stopping curb plate fixed connection, the roof inserted block runs through first bent plate right side wall top, and with first bent plate grafting is fixed, first falling-stopping roof is located roof inserted block right side wall, and with roof inserted block fixed connection, the second falling-stopping roof is located second bent plate left side wall top, and with the second bent plate grafting is fixed.
Preferably, the first inserting plate and the second inserting plate penetrate through the first falling-stopping side plate through corresponding to the first inserting groove and the second inserting groove, and are fixedly inserted into the first falling-stopping side plate.
Preferably, the second falling-stopping side plate is correspondingly provided with a plug board slot, and the third plug board and the fourth plug board penetrate through the second falling-stopping side plate through the corresponding plug board slot and are fixedly connected with the second falling-stopping side plate in an inserting mode.
Preferably, the first bent plate and the first fall-stopping top plate are fixedly inserted through the third slot and the top plate insert block.
Preferably, a top plate inserting groove is formed in the upper portion of the left side wall of the second bent plate, a second top plate inserting block is arranged on the right side wall of the second falling-stopping top plate, and the second bent plate and the second falling-stopping top plate are fixedly connected through the top plate inserting groove and the second top plate inserting block in an inserting mode.
Preferably, the first falling stopping side plate and the second falling stopping side plate are cylindrical arc-shaped plates, and the first bent plate and the second bent plate are arc-shaped bent plates.
Preferably, the horizontal size of the support bar is equal to the horizontal distance between the first and second fall-stopping side plates.
Preferably, the first falling prevention top plate and the second falling prevention top plate are rectangular and planar, and arc-shaped grooves are formed in the first falling prevention top plate and the second falling prevention top plate.
Preferably, a supporting rod clamping groove is formed in the first supporting seat and the second supporting seat, and the supporting rod is clamped and fixed with the first supporting seat and the second supporting seat through the supporting rod clamping groove.
(III) advantageous effects
The invention provides a soil accumulation and falling prevention device for a rotary drilling pile hole, which has the following beneficial effects:
(1) the invention is used for supporting and blocking the accumulated soil at the top side of the bottom-expanding pile hole by arranging the first and second fall-stopping side plates, preventing the accumulated soil at the top side from falling off when the pile hole is dug by rotation, ensuring the construction safety, is used for supporting and blocking the accumulated soil at the top of the bottom-expanding pile hole by arranging the first and second fall-stopping top plates, preventing the accumulated soil at the top from falling off when the pile hole is dug by rotation, ensuring the construction safety, is used for fixing the accumulated soil falling-stopping device on the hole wall by arranging the first and second inserting plates and the fourth inserting plate, preventing the accumulated soil at the top side from falling off when the bottom-expanding pile hole is dug by rotation, ensuring the construction efficiency of workers, is used for supporting and fixing the first and second fall-stopping side plates by auxiliary support of the support rod, supporting the inner wall of the bottom-expanding pile hole, preventing the accumulated soil at the top side from falling off, facilitating the subsequent use of machinery for the bottom-expanding pile, and reducing the labor intensity of the workers, the gas generated by absorbing humic substances by the manually dug pedestal pile is avoided, and potential safety hazards are brought to construction safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
FIG. 4 is a schematic view of a first flexural plate configuration of this invention;
FIG. 5 is a schematic view of a first and second fall arrest plate of the present invention in a disassembled configuration;
fig. 6 is a schematic structural diagram of a top plate insert block according to the present invention.
In the figure: 1. a first drop stop side plate; 2. a first support base; 3. a second drop stop side plate; 4. a second support seat; 5. a support bar; 6. a first slot; 7. a second slot; 8. a first board insert; 9. a second board plug; 10. a third board plug; 11. a fourth board plug; 12. a first bent plate; 13. a third slot; 14. a second bent plate; 15. a top plate insert block; 16. a first fall arrest roof; 17. a second fall arrest plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a technical solution: a soil accumulation and falling prevention device for rotary digging pile hole comprises a first falling prevention side plate 1, a first supporting seat 2, a second falling prevention side plate 3, a second supporting seat 4, a supporting rod 5, a first slot 6, a second slot 7, a first inserting plate 8, a second inserting plate 9, a third inserting plate 10, a fourth inserting plate 11, a first bent plate 12, a third slot 13, a second bent plate 14, a top plate inserting block 15, a first falling prevention top plate 16 and a second falling prevention top plate 17, wherein the first supporting seat 2 is positioned on the right side wall of the first falling prevention side plate 1 and is fixedly connected with the first falling prevention side plate 1, the second falling prevention side plate 3 is positioned on the right side of the first falling prevention side plate 1, the second supporting seat 4 is positioned on the left side wall of the second falling prevention side plate 3 and is fixedly connected with the second falling prevention side plate 3, the left end of the supporting rod 5 is fixedly clamped with the first supporting seat 2, the right end of the supporting rod 5 is fixedly clamped with the second supporting seat 4, the first falling prevention side plate 1 is arranged above the front surface close to the first slot 6, a second slot 7 is arranged below the front surface of the first falling-stopping side plate 1 and close to the lower part of the first supporting seat 2, a first inserting plate 8 penetrates through the upper part of the right side wall of the first falling-stopping side plate 1 and close to the upper part of the first supporting seat 2, the first inserting plate 8 is fixedly inserted with the first falling-stopping side plate 1, a second inserting plate 9 penetrates through the lower part of the right side wall of the first falling-stopping side plate 1 and close to the lower part of the first supporting seat 2, the second inserting plate 9 is fixedly inserted with the first falling-stopping side plate 1, a third inserting plate 10 penetrates through the upper part of the left side wall of the second falling-stopping side plate 3 and close to the upper part of the second supporting seat 4, a third inserting plate 10 is fixedly inserted with the second falling-stopping side plate 3, a fourth inserting plate 11 penetrates through the lower part of the left side wall of the second falling-stopping side plate 3 and close to the lower part of the second supporting seat 4, a fourth inserting plate 11 is fixedly inserted with the second falling-stopping side plate 3, a first bent plate 12 is arranged on the upper surface of the first falling-stopping side plate 1 and is fixedly connected with the first falling-stopping side plate 1, third slot 13 has been seted up to first bent plate 12 front surface, and second bent plate 14 is located second side of falling board 3 upper surfaces, and with second side of falling board 3 fixed connection, roof inserted block 15 runs through first bent plate 12 right side wall top, and with first bent plate 12 grafting fixed, first roof 16 that falls is located roof inserted block 15 right side wall, and with roof inserted block 15 fixed connection, second roof 17 that falls is located second bent plate 14 left side wall top, and with second bent plate 14 grafting fixed.
Furthermore, the first inserting plate 8 and the second inserting plate 9 penetrate through the first falling-stopping side plate 1 through corresponding to the first inserting groove 6 and the second inserting groove 7 and are fixedly inserted into the first falling-stopping side plate 1, the first falling-stopping side plate 1 can be fixed on the side wall of the top in the pile hole by utilizing the first inserting plate 8 and the second inserting plate 9, soil accumulated on the side wall is supported and blocked, and the top side soil accumulated is prevented from falling off when the pile hole is dug in a rotary mode, so that construction safety is guaranteed.
Further, a plug board slot is correspondingly formed in the second falling-stopping side plate 3, the third plug board 10 and the fourth plug board 11 penetrate through the second falling-stopping side plate 3 through the corresponding plug board slot, and are fixedly connected with the second falling-stopping side plate 3 in an inserting mode, the third plug board 10 and the fourth plug board 11 can penetrate through the second falling-stopping side plate 3 conveniently through the plug board slot, the third plug board 10 and the fourth plug board 11 can be used, the second falling-stopping side plate 3 is fixed on the side wall of the top in the pile hole, the accumulated soil on the side wall is supported and blocked, when the pile hole is prevented from being dug, the accumulated soil on the side face of the top drops, and construction safety is guaranteed.
Furthermore, the first bent plate 12 and the first falling-stopping top plate 16 are fixedly connected through a third slot 13 and a top plate insertion block 15 in an inserting mode, the top plate insertion block 15 and the first falling-stopping top plate 16 are conveniently fixed in an inserting mode through the third slot 13, the first falling-stopping top plate 16 can pass through, soil accumulated on the top of the bottom expanding pile hole is propped and blocked, when the pile hole is prevented from being dug in a rotary mode, the soil accumulated on the top drops, and construction safety is guaranteed.
Furthermore, a top plate inserting groove is formed in the upper portion of the left side wall of the second bent plate 14, a second top plate inserting block is arranged on the right side wall of the second falling-stopping top plate 17, the second bent plate 14 and the second falling-stopping top plate 17 are fixedly connected through the top plate inserting groove and the second top plate inserting block in an inserting mode, the second bent plate 14 and the second falling-stopping top plate 17 are conveniently connected and fixed in an inserting mode through the top plate inserting groove and the second top plate inserting block, the top accumulated soil at the top of the bottom expanding pile hole is supported and blocked, when the pile hole is prevented from being dug, the top accumulated soil drops, and construction safety is guaranteed.
Further, first no-fall curb plate 1 and the 3 shapes of second no-fall curb plate are the column arc, first bent plate 12 and the 14 shapes of second bent plate are the arc bent plate, through setting up the first no-fall curb plate 1 and the second no-fall curb plate 3 of column arc, conveniently paste tight club-footed pile hole inner wall, be convenient for prop up and keep off club-footed pile hole inner wall long-pending soil, through setting up arc bent plate first bent plate 12 and second bent plate 14, be convenient for paste tight club-footed pile hole inner wall and top junction, guarantee follow-up propping to the long-pending soil in club-footed pile hole and keep off, prevent that long-pending soil from dropping, take place dangerous situation, guarantee workman efficiency of construction.
Further, 5 horizontal dimension of bracing piece equals with the horizontal distance between first only fall curb plate 1 and the second only fall curb plate 3, and through setting up bracing piece 5, the fixed first only fall curb plate 1 of auxiliary stay and second only fall curb plate 3 support club-footed pile hole inner wall, prevent that top side accumulated soil from dropping.
Further, first roof 16 and the second roof 17 that only falls are the rectangle plane shape, and the arc wall has all been seted up on first roof 16 and the second roof 17 that only falls, through setting up the first roof 16 that only falls and the second roof 17 that only falls of rectangle plane shape and set up the arc wall, and the machinery of being convenient for gets into the stake hole, carries out follow-up club-footed work.
Furthermore, a supporting rod clamping groove is formed in the first supporting seat 2 and the second supporting seat 4, the supporting rod 5 is fixed with the first supporting seat 2 and the second supporting seat 4 through the clamping of the supporting rod clamping groove, the supporting rod 5 is fixed with the first supporting seat 2 and the second supporting seat 4 through the clamping, the supporting rod 5 can be taken down conveniently during working, subsequent hole digging machinery can be conveniently explored into the hole digging machine, and the bottom expanding and pile digging work can be carried out.
In conclusion, the work flow of the invention is as follows: when a mechanical rotary excavating pile orifice is used, a first inserting plate 8, a second inserting plate 9, a third inserting plate 10 and a fourth inserting plate 11 can be utilized inside the pile orifice to fix a first falling-stopping side plate 1 and a first falling-stopping top plate 16, a second falling-stopping side plate 3 and a second falling-stopping top plate 17 for supporting and blocking accumulated soil at the top and the side surface of the top of the bottom expanding pile orifice, the accumulated soil at the side surface of the top and the side surface of the top is prevented from falling off when the pile orifice is rotary excavated, construction safety is guaranteed, when the pile orifice is not constructed, a support rod 5 can be utilized, the first falling-stopping side plate 1 and the second falling-stopping side plate 3 are fixed through auxiliary support, the inner wall of the bottom expanding pile orifice is supported, and when the support rod 5 is operated, the subsequent mechanical exploration of the hole is facilitated, and the bottom expanding pile excavating work is carried out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a long-pending native device that ends for digging soon stake hole, includes that first end falls curb plate (1), first supporting seat (2), second end falls curb plate (3), second supporting seat (4), bracing piece (5), first slot (6), second slot (7), first picture peg (8), second picture peg (9), third picture peg (10), fourth picture peg (11), first bent plate (12), third slot (13), second bent plate (14), roof inserted block (15), first end roof (16) and second end roof (17), its characterized in that: the first supporting seat (2) is positioned on the right side wall of the first falling-stopping side plate (1) and is fixedly connected with the first falling-stopping side plate (1), the second falling-stopping side plate (3) is positioned on the right side of the first falling-stopping side plate (1), the second supporting seat (4) is positioned on the left side wall of the second falling-stopping side plate (3) and is fixedly connected with the second falling-stopping side plate (3), the left end of the supporting rod (5) is fixedly clamped with the first supporting seat (2), the right end of the supporting rod (5) is fixedly clamped with the second supporting seat (4), the first slot (6) is formed above the front surface of the first falling-stopping side plate (1) and is close to the upper part of the first supporting seat (2), the second slot (7) is formed below the front surface of the first falling-stopping side plate (1) and is close to the lower part of the first supporting seat (2), the first inserting plate (8) penetrates through the top of the first falling-stopping side plate (1) right side wall to be close to the first supporting seat (2), the first inserting plate (8) is fixedly inserted with the first falling-stopping side plate (1), the second inserting plate (9) penetrates through the bottom of the first falling-stopping side plate (1) right side wall to be close to the bottom of the first supporting seat (2), the second inserting plate (9) is fixedly inserted with the first falling-stopping side plate (1), the third inserting plate (10) penetrates through the top of the second falling-stopping side plate (3) left side wall to be close to the second supporting seat (4), the third inserting plate (10) is fixedly inserted with the second falling-stopping side plate (3), the fourth inserting plate (11) penetrates through the bottom of the second falling-stopping side plate (3) left side wall to be close to the bottom of the second supporting seat (4), and the fourth inserting plate (11) is fixedly inserted with the second falling-stopping side plate (3), first bent plate (12) are located first falling curb plate (1) upper surface, and with first falling curb plate (1) fixed connection that falls, first bent plate (12) front surface has been seted up third slot (13), second bent plate (14) are located second falling curb plate (3) upper surface, and with second falling curb plate (3) fixed connection that falls, roof inserted block (15) run through first bent plate (12) right side wall top, and with first bent plate (12) are pegged graft fixedly, first falling roof (16) are located roof inserted block (15) right side wall, and with roof inserted block (15) fixed connection, second falling roof (17) are located second bent plate (14) left side wall top, and with second bent plate (14) are pegged graft fixedly.
2. The accumulated soil falling prevention device for the rotary excavating pile hole according to claim 1, characterized in that: the first inserting plate (8) and the second inserting plate (9) penetrate through the first slot (6) and the second slot (7) and are fixedly connected with the first falling stopping side plate (1) in an inserting mode.
3. The accumulated soil falling prevention device for the rotary excavating pile hole according to claim 1, characterized in that: a plug board slot is correspondingly formed in the second falling-stopping side plate (3), and the third plug board (10) and the fourth plug board (11) penetrate through the plug board slot in a corresponding mode and are fixedly connected with the second falling-stopping side plate (3) in an inserting mode.
4. The accumulated soil falling prevention device for the rotary pile hole according to claim 1, characterized in that: the first bent plate (12) and the first fall-stopping top plate (16) are fixedly connected through the third slot (13) and the top plate insert block (15) in an inserted mode.
5. The accumulated soil falling prevention device for the rotary excavating pile hole according to claim 1, characterized in that: a top plate inserting groove is formed in the upper portion of the left side wall of the second bent plate (14), a second top plate inserting block is arranged on the right side wall of the second falling-stopping top plate (17), and the second bent plate (14) and the second falling-stopping top plate (17) are fixedly connected with each other through the top plate inserting groove and the second top plate inserting block in an inserting mode.
6. The accumulated soil falling prevention device for the rotary excavating pile hole according to claim 1, characterized in that: the first falling stopping side plate (1) and the second falling stopping side plate (3) are cylindrical arc-shaped plates, and the first bent plate (12) and the second bent plate (14) are arc-shaped bent plates.
7. The accumulated soil falling prevention device for the rotary excavating pile hole according to claim 1, characterized in that: the horizontal size of the support rod (5) is equal to the horizontal distance between the first falling-stopping side plate (1) and the second falling-stopping side plate (3).
8. The accumulated soil falling prevention device for the rotary pile hole according to claim 1, characterized in that: the first falling-stopping top plate (16) and the second falling-stopping top plate (17) are rectangular and planar, and arc-shaped grooves are formed in the first falling-stopping top plate (16) and the second falling-stopping top plate (17).
9. The accumulated soil falling prevention device for the rotary excavating pile hole according to claim 1, characterized in that: the supporting rod clamping grooves are formed in the first supporting seat (2) and the second supporting seat (4), and the supporting rod (5) is clamped and fixed with the first supporting seat (2) and the second supporting seat (4) through the supporting rod clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010974832.9A CN112196495B (en) | 2020-09-16 | 2020-09-16 | Accumulated soil falling prevention device for rotary digging pile hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010974832.9A CN112196495B (en) | 2020-09-16 | 2020-09-16 | Accumulated soil falling prevention device for rotary digging pile hole |
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| Publication Number | Publication Date |
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| CN112196495A CN112196495A (en) | 2021-01-08 |
| CN112196495B true CN112196495B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010974832.9A Active CN112196495B (en) | 2020-09-16 | 2020-09-16 | Accumulated soil falling prevention device for rotary digging pile hole |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125855A (en) * | 1995-11-02 | 1997-05-13 | Nippon Sharyo Seizo Kaisha Ltd | Rod cleaning machine of construction machine |
| CN103104209A (en) * | 2013-03-13 | 2013-05-15 | 中冶建工集团有限公司 | Device for preventing falling of accumulated soil for rotatablely excavated pile hole |
| CN204252121U (en) * | 2014-10-21 | 2015-04-08 | 马鞍山十七冶工程科技有限责任公司 | A kind ofly amass native falling stop device for revolving the two V shape liftables digging a pore-forming |
| CN210003217U (en) * | 2019-05-28 | 2020-01-31 | 广东省有色矿山地质灾害防治中心 | hydrology well drilling construction system |
| CN210622695U (en) * | 2019-06-13 | 2020-05-26 | 石家庄正通机电设备有限公司 | Protection architecture based on hand-held type rig uses |
-
2020
- 2020-09-16 CN CN202010974832.9A patent/CN112196495B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125855A (en) * | 1995-11-02 | 1997-05-13 | Nippon Sharyo Seizo Kaisha Ltd | Rod cleaning machine of construction machine |
| CN103104209A (en) * | 2013-03-13 | 2013-05-15 | 中冶建工集团有限公司 | Device for preventing falling of accumulated soil for rotatablely excavated pile hole |
| CN204252121U (en) * | 2014-10-21 | 2015-04-08 | 马鞍山十七冶工程科技有限责任公司 | A kind ofly amass native falling stop device for revolving the two V shape liftables digging a pore-forming |
| CN210003217U (en) * | 2019-05-28 | 2020-01-31 | 广东省有色矿山地质灾害防治中心 | hydrology well drilling construction system |
| CN210622695U (en) * | 2019-06-13 | 2020-05-26 | 石家庄正通机电设备有限公司 | Protection architecture based on hand-held type rig uses |
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|---|---|
| CN112196495A (en) | 2021-01-08 |
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