CN110185390A - A kind of mini pile clump of piles boring positioning guiding device and application method - Google Patents

A kind of mini pile clump of piles boring positioning guiding device and application method Download PDF

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Publication number
CN110185390A
CN110185390A CN201910497241.4A CN201910497241A CN110185390A CN 110185390 A CN110185390 A CN 110185390A CN 201910497241 A CN201910497241 A CN 201910497241A CN 110185390 A CN110185390 A CN 110185390A
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Prior art keywords
piles
clump
mini pile
pile
guiding device
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CN201910497241.4A
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CN110185390B (en
Inventor
杨俊�
陈玉发
张建平
敖凌宇
罗成
魏叔彬
聂一龙
李海龙
赵磊
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Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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Priority to CN201910497241.4A priority Critical patent/CN110185390B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30Specific pattern of wells, e.g. optimising the spacing of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a kind of mini pile clump of piles boring positioning guiding device and its installation methods, including top plate, basal disc, guide pipe, casing, fastening nut, adjusting nut and pre-embedded bolt, top plate and basal disc are respectively welded with above and below casing, and guide pipe is welded in top plate and basal disc presets pilot hole.Then by positioning otic placode with the pre-embedded bolt connection being embedded in concrete cushion in advance.It is horizontal by adjusting nut regulating device therebetween.After the completion of Level tune, adjusting nut is welded with pre-embedded bolt, then tightens fastening nut.The configuration of the present invention is simple can be solved the problems, such as effectively that precision located higher can not be carried out at pile body to clump of piles each group in the construction of mini pile pile group under the conditions of existing machinery and is oriented to.The construction quality of a mini pile clump of piles is improved, precision located higher and guiding are carried out to reach clump of piles each group into pile body to obtain preferable mini pile pile group construction effect, to meet the purpose for reducing and influencing when large diameter pile foundation construction on tunnel.

Description

A kind of mini pile clump of piles boring positioning guiding device and application method
Technical field
The present invention relates to a kind of mini pile clump of piles boring positioning guiding device and methods.Belong to miniature pile construction technology neck Domain.
Background technique
The change and development of trip mode, rail traffic, urban pavement traffic are extended in all direction, many subways, high-speed rail tunnel The underground space positioned at city.With the process of urbanization, urban land growing tension, land resource scarcity considers to save and use Ground, green sustainable development, often build certain buildings on the important underground structure top such as subway, high-speed rail tunnel.In pile foundation Construction in, when the pile foundation of major diameter passes through neighbouring cut and cover tunneling tunnel basis or shallow mining method tunnel rock, most probably Cause the displacement, sedimentation and other irreversible disturbances of the cracking, rail line in tunnel.
To the shadow in tunnel when going along with sb. to guard him large diameter pile foundation frequently with a mini pile clump of piles under the conditions of the prior art to reduce its construction It rings.Its borehole accuracy is accurately controlled since existing common miniature pile construction machinery is more difficult.And major diameter is gone along with sb. to guard him in a mini pile clump of piles In pile foundation construction, need to carry out precision located higher and guiding at pile body to clump of piles each group to obtain preferable mini pile pile group Construction effect, to meet the purpose for reducing and influencing when large diameter pile foundation construction on tunnel.
Summary of the invention
The technical problem to be solved by the present invention is a kind of mini pile clump of piles boring positioning guiding device and method are provided, with Under the conditions of solution existing machinery precision located higher and guiding can not be carried out at pile body to clump of piles each group in the construction of mini pile pile group.
The technical scheme is that a kind of mini pile clump of piles boring positioning guiding device, including top plate, top plate and basal disc Between one group of parallel guide pipe is installed, guide pipe installed position is corresponded in top plate and basal disc equipped with pilot hole, basal disc passes through Pre-embedded bolt is fixed.
Positioning otic placode is connected on the outer ring of basal disc, pre-embedded bolt is made of anchor disc and screw rod, and screw rod sequentially passes through micro- Adjust nut, positioning otic placode and fastening nut.
Top plate is equipped with horizontal bubble.
Top plate is equipped with hanging ring.
Top plate and basal disc are respectively provided at casing upper and lower, and three constitutes cylindrical structure.
Guide pipe side wall is equipped with overflow launder.
It positions otic placode and is equipped with three, uniform ring cloth is in basal disc outer ring.
Adjusting nut has adjusted threaded welding after device level.
Anchor disc is semicircular arc-shaped, and two pieces of anchor plates extended downwardly are arranged at bottom.
Screw rod penetrates anchor disc, and two pieces of anchor plates are connected with screw rod.
The present invention also provides the boring methods of above-mentioned mini pile clump of piles boring positioning guiding device, comprising the following steps:
(1) positioning of mini pile pile group position is completed by design requirement.
(2) earth excavation is carried out in mini pile pile group position, cutting depth should meet mini pile clump of piles boring positioning and lead Top plate absolute altitude is identical in miniature pile group designed elevation after to device installation.
(3) casting concrete bed course, and pre-embedded bolt, therebetween position pre-embedded bolt, so that leading after device installation It is corresponding to pipe and mini pile clump of piles design hole location.
(4) adjusting nut is screwed into pre-embedded bolt.Then with hanging device by mini pile clump of piles boring positioning guiding device Foundation pit is hung in, after otic placode is corresponded to pre-embedded bolt therebetween, gently as on pre-embedded bolt.After being installed, adjusting nut is adjusted, So that circular horizontal bubble is reached device horizon effect between two parties, finally tightens fastening nut.
(5) after drilling machine adjustment is in place, drilling rod is drilled down by guide pipe.
The beneficial effects of the present invention are: compared with prior art, the present invention has the advantage that
Solve existing machinery under the conditions of mini pile pile group construction in can not to clump of piles each group at pile body carry out precision located higher and The problem of guiding.
Reduce the perpendicularity deviation due to caused by mechanical vibration in miniature pile construction.
Easy to operate using mini pile clump of piles boring positioning guiding device, guiding is reliable, reduces to drilling operation personnel's It is required that and mechanical requirement, be convenient for site operation.
The configuration of the present invention is simple, ingenious in design, easy to operate, mini pile pile group is applied under the conditions of can effectively solving existing machinery The problem of can not carrying out precision located higher and guiding at pile body to clump of piles each group in work.Improve the construction matter of a mini pile clump of piles Amount carries out precision located higher and is oriented to obtain preferable mini pile pile group construction effect to reach clump of piles each group into pile body, To meet the purpose for reducing and influencing when large diameter pile foundation construction on tunnel.
Detailed description of the invention
Fig. 1 is a kind of mini pile clump of piles boring positioning guiding device axonometric drawing.
Fig. 2 is a kind of mini pile clump of piles boring positioning guiding device left view.
Fig. 3 is a kind of mini pile clump of piles boring positioning guiding device top view.
Fig. 4 is a kind of mini pile clump of piles boring positioning guiding device front view.
Fig. 5 is drawing at a kind of mini pile clump of piles boring positioning guiding device pre-embedded bolt.
Fig. 6 is the improvement structure of anchor disc.
Fig. 7 is using the overall structure diagram for improving structure anchor disk.
In attached drawing, 1, top plate, 2, basal disc, 3, casing, 4, circular horizontal bubble, 5, hanging ring, 6, fastening nut, 7, adjusting spiral shell Mother, 8, otic placode, 9, pre-embedded bolt, 10, guide pipe, 11, pilot hole, 12, screw rod, 13, anchor disc, 14, overflow notch.
Specific embodiment
With reference to the accompanying drawing and invention is described further in specific embodiment:
As shown, a kind of mini pile clump of piles boring positioning guiding device of the embodiment of the present invention, including top plate 1, basal disc 2, casing 3, fastening nut 6, adjusting nut 7, pre-embedded bolt 9 and guide pipe 10, basal disc 2 and top plate 1 be respectively welded with the top of casing 3 and under Side, basal disc 2 and 1 radius of top plate are greater than the miniature pile group of going along with sb. to guard him of implementation and safeguard radius 400mm, it is ensured that basal disc covers pile group enough;It leads Basal disc 2 is welded in pipe 10 and top plate 1 presets pilot hole 11, and 10 interior diameter of guide pipe is greater than mini pile diameter S=5mm, Guan Gao H and answers Meet S/H less than the 1/2 of stake design verticality, inner tubal wall adds lubricating oil, and drill bit is enable to pass through.2 upper ear plate 8 of basal disc is same Its upper and lower fastening nut 6, adjusting nut 7 and pre-embedded bolt 9 act on clamp device, after adjusting nut 7 has adjusted device level It is welded with pre-embedded bolt 9.Top plate 1 and basal disc 2 are provided with pilot hole 11 by design pile group relative position.Top plate top is equipped with round water Flat bubble 4 and hanging ring 5.Three 8 uniform weldings of positioning otic placode are on 2 outer ring of basal disc.Guide pipe 10 is equipped with overflow notch 14, notch Wide 2cm, it acts as so that mud reflux is collected mud in casing.Pre-embedded bolt 9 by radius 200mm anchor disc 13 and screw rod 12 compositions, screw rod 12 are vertically mounted on the center of anchor disc 13.
The above-mentioned boring method using mini pile clump of piles boring positioning guiding device, includes the following steps:
(1) positioning of mini pile pile group position is completed by design requirement.
(2) earth excavation is carried out in mini pile pile group position, cutting depth should meet mini pile clump of piles boring positioning and lead 1 absolute altitude of top plate is in miniature pile group designed elevation after to device installation.
(3) casting concrete bed course, and pre-embedded bolt 9, therebetween position pre-embedded bolt 9, so that after device installation Guide pipe 10 and mini pile clump of piles design hole location are corresponding.
(4) adjusting nut 7 is screwed into pre-embedded bolt 9.Then mini pile clump of piles boring positioning is oriented to hanging device and is filled It sets and hangs in foundation pit, after otic placode 8 is corresponded to pre-embedded bolt 9 therebetween, gently as on pre-embedded bolt 9.After being installed, adjust Nut 7, makes circular horizontal bubble reach device horizon effect between two parties, finally tightens fastening nut 6.
(5) after drilling machine adjustment is in place, drilling rod is drilled down by guide pipe 10.
Embodiment 2: further, such as Fig. 6 and Fig. 7, in 13 bottom of anchor disc, design has the anchor plate extended downwardly, shares Two pieces of anchor plates are mutually perpendicular to be mounted on 13 bottom of anchor disc.Further, screw rod 12 passes through anchor disc 13 and one piece of anchoring Plate, another piece of anchor plate are vertically mounted on screw rod 12.The fixed stability of anchor disc 13 can be improved by this structure.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (10)

1. a kind of mini pile clump of piles boring positioning guiding device, including top plate (1), it is characterised in that: top plate (1) and basal disc (2) Between one group of parallel guide pipe (10) is installed, corresponded in top plate (1) and basal disc (2) guide pipe (10) installed position be equipped with lead To hole (11), basal disc (2) is fixed by pre-embedded bolt (9).
2. mini pile clump of piles boring positioning guiding device according to claim 1, it is characterised in that: on the outer ring of basal disc (2) It is connected with positioning otic placode (8), pre-embedded bolt (9) bolt is made of anchor disc (13) and screw rod (12), and screw rod (12) sequentially passes through Fine-tuning nut (7), positioning otic placode (8) and fastening nut (7).
3. mini pile clump of piles boring positioning guiding device according to claim 1, it is characterised in that: top plate (1) is equipped with water Flat bubble (4);Top plate (1) is equipped with hanging ring (5).
4. mini pile clump of piles boring positioning guiding device according to claim 1, it is characterised in that: top plate (1) and basal disc (2) It is respectively provided at casing (3) upper and lower, three constitutes cylindrical structure.
5. mini pile clump of piles boring positioning guiding device according to claim 1, it is characterised in that: on guide pipe (10) side wall Equipped with overflow launder (14).
6. mini pile clump of piles boring positioning guiding device according to claim 2, it is characterised in that: positioning otic placode (8) is equipped with Three, uniform ring cloth is in basal disc (2) outer ring.
7. mini pile clump of piles boring positioning guiding device according to claim 2, it is characterised in that: adjusting nut (7) is adjusted Threaded (12) welding after complete device is horizontal.
8. mini pile clump of piles boring positioning guiding device according to claim 2, it is characterised in that: the shape of anchor disc (13) For semicircular arc-shaped, two pieces of anchor plates extended downwardly are arranged at bottom.
9. mini pile clump of piles boring positioning guiding device according to claim 8, it is characterised in that: screw rod (12) is passed down through Anchor disc (13), anchor plate and screw rod (12) connection;The junction section of anchor plate has reinforcing rib.
10. a kind of boring method of mini pile clump of piles boring positioning guiding device, characterized by the following steps:
(1) positioning of mini pile pile group position is completed by design requirement;
(2) earth excavation is carried out in mini pile pile group position, cutting depth should meet mini pile clump of piles boring positioning guiding dress Top plate (1) absolute altitude is higher than miniature pile group designed elevation after setting installation;
(3) casting concrete bed course, and pre-embedded bolt (9), therebetween position pre-embedded bolt (9), so that after device installation Guide pipe (10) is corresponding with mini pile clump of piles design hole location;
(4) adjusting nut (7) is screwed into pre-embedded bolt (9);Then mini pile clump of piles boring positioning is oriented to hanging device and is filled It sets and hangs in foundation pit, after otic placode (8) same to pre-embedded bolt (9) is corresponding therebetween, gently set on pre-embedded bolt (9);After being installed, adjust Adjusting nut (7) makes circular horizontal bubble (4) reach device horizon effect between two parties, finally tightens fastening nut (6);
(5) drilling machine is in place, and drilling rod is drilled down by guide pipe (10).
CN201910497241.4A 2019-06-10 2019-06-10 Miniature pile group pile drilling positioning and guiding device and use method Active CN110185390B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN111827285A (en) * 2020-07-24 2020-10-27 中建四局建设发展有限公司 Perpendicularity control device for pile planting method and using method thereof
CN113338284A (en) * 2021-07-08 2021-09-03 浙江易通特种基础工程股份有限公司 Construction method for implanting large-diameter permanent steel casing into deep-water inclined bare rock

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Publication number Priority date Publication date Assignee Title
CN111827285A (en) * 2020-07-24 2020-10-27 中建四局建设发展有限公司 Perpendicularity control device for pile planting method and using method thereof
CN111827285B (en) * 2020-07-24 2022-02-25 中建四局建设发展有限公司 Perpendicularity control device for pile planting method and using method thereof
CN113338284A (en) * 2021-07-08 2021-09-03 浙江易通特种基础工程股份有限公司 Construction method for implanting large-diameter permanent steel casing into deep-water inclined bare rock

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