CN1026910C - Drilling tool for hoop pile - Google Patents
Drilling tool for hoop pile Download PDFInfo
- Publication number
- CN1026910C CN1026910C CN 93105952 CN93105952A CN1026910C CN 1026910 C CN1026910 C CN 1026910C CN 93105952 CN93105952 CN 93105952 CN 93105952 A CN93105952 A CN 93105952A CN 1026910 C CN1026910 C CN 1026910C
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- China
- Prior art keywords
- slide block
- drilling rod
- drilling
- drilling tool
- variable
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims description 8
- 208000032370 Secondary transmission Diseases 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 15
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCOLPNRPCMFHOH-UHFFFAOYSA-N Prodigiosin Natural products CCCCCC1C=C(C=C/2N=C(C=C2OC)c3ccc[nH]3)N=C1C HCOLPNRPCMFHOH-UHFFFAOYSA-N 0.000 description 2
- TWFGRJUTAULJPZ-USZBIXTISA-N prodigiosin Chemical compound N1=C(C)C(CCCCC)=C\C1=C/C1=NC(C=2[N]C=CC=2)=C[C]1OC TWFGRJUTAULJPZ-USZBIXTISA-N 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The drilling tool for the hoop pile is composed of a variable-speed power head and a drill rod, wherein more than two groups of cutter expanding devices and baffle mechanisms are additionally arranged on the drill rod, a hydraulic ejector rod mechanism is additionally arranged between the variable-speed power head and the drill rod and used for controlling the movement of the cutter expanding devices and the baffle mechanisms, and the drilling tool can finish three functions of drilling a straight hole, expanding a hole and removing soil at one time, is convenient to use and high in efficiency.
Description
The present invention is a kind of drilling tool for hooped pile, is used for worker, civilian construction foundation construction, is the new formation hole facility of hoop stake (a kind of pattern of reaming stake has plural enlarged footing on a pile, so be commonly called as the sugarcoated haws stake) foundation construction.
In the modern architecture foundation construction, the application of reaming pile foundation increases gradually, and is much higher, good in economic efficiency than friction pile (soil layer straight hole pile) because of its bearing capacity, therefore, is a kind of pile foundation form that is worthy to be popularized.But also there are not a kind of more satisfactory reaming stake pore-forming facility at present, general hole forming method two covering devices that adopt promptly earlier with long screw auger machine drill upright opening, have the mechanical hole reaming of Counterboring apparatus again with another, and once can only expand an expanded hole, also needing of having fetches earth in addition.When needs expand plural hoop hole on a pile, reaming that just must be one by one, it is many that this job practices takies equipment, and construction speed is slow, troublesome poeration.Also have a kind of hole forming machine prodigiosin of reaming stub to hole simultaneously and reaming, but boring and reaming all need repeatedly just can finish, and an expanded hole can only be arranged, the bearing capacity that improves stake is limited, because lack boring machine, for many years, the popularization of hoop pile foundation is restricted.
The objective of the invention is to finish boring, reaming and three functions that fetch earth, and can expand plural expanded hole simultaneously as required, thereby finish the pore-forming of hoop stake with a cover hole forming machine prodigiosin.Like this, can simplify construction technology, improve efficiency of construction, shorten construction period, reduce construction costs, obtain high economic benefit and social benefit.With this drilling tool bore upright opening can with the long-spiral drilling machine equivalence, realize a tractor serves several purposes.
Major technique content of the present invention is that this drilling tool for hooped pile can be finished boring, reaming simultaneously, three functions that fetch earth, and can enlarge the expanded hole more than 2 simultaneously.
This drilling tool for hooped pile is made up of variable-speed dynamic head A, drilling rod C, at the expansion knife system (D) and the baffle mechanism (E) that are provided with on the drilling rod more than two groups; Be provided with hydraulic mandril mechanism between variable-speed dynamic head (A) and the drilling rod (C), be used to control the motion of expanding knife system and baffle mechanism.
The variable-speed dynamic head is the power part of drilling tool, and it can provide two kinds of different rotating speeds with reaming for boring straight hole; Hydraulic mandril mechanism is used for controlling the motion of expanding knife system and baffle mechanism; Drilling rod mainly is to be used for boring straight hole, and utilizes up defeated soil of blade and collection soil; Expanding knife system and baffle mechanism mainly is to be used for reaming and segmentation collection soil, and its quantity and distance can be determined as required, expand knife system and baffle mechanism and all are fixed on the drilling rod.Drilling tool work the time generally is to be suspended on the long-spiral drilling machine pile frame, drives drilling rod by the variable-speed dynamic head earlier and bores straight hole, reach hole depth after, carry boring and get rid of soil, enter then at the bottom of the hole, the counter-rotating reaming after finishing, is returned sword to carry and is bored and the soil bits that collection is stored in the drilling rod blade space are got rid of.
Technique effect of the present invention is that this drilling tool for hooped pile has overcome the shortcoming of existing drilling tool can once finish boring, reaming, three operations of fetching earth.And have the high advantage of pore-forming efficiency, and can improve 3～5 times than common mechanical pore-forming efficiency, well especially pitch of holes and expanded hole diameter can be well controlled hole quality; Good operating stability, because the slow-speed of revolution has been adopted in reaming, working angles is by hydraulic control, and feeding is even, and the layout that expands cutter is an overhead owing to having adopted a side, opposite side is a underneath type, like this, warp-wise power and axial force during cutting can both obtain balance, and working stability reliably fetches earth totally, because soil is that segmentation retains in blade space, the loosened soil of expanded hole the inside is less.This drilling tool is manipulated and easyly can be reduced the support staff.With the hoop stake of this drilling tool construction, improve 1-2 doubly than the bearing capacity of friction pile, the concrete consumption increases by 3 ‰, and this drilling tool can be used for groundwater table above clay, the operation of lam earth-boring, applied range.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a scheme of maneuver of the present invention;
Fig. 3 is drilled pile shape figure of the present invention;
A variable-speed dynamic head, B hydraulic mandril mechanism, C drilling rod (containing drill bit), D expand knife system, E baffle mechanism, 1 oil cylinder, 2 connectors, 3 annular rolling disks, 4 slide block lateral pins, 5 push rods, 6 overheads expansion cutter, 7 underneath types expansion cutter, 8 slide blocks, 9 push rods, 10 baffle plates, 11 extension springs.
Realize preferred plan of the present invention as shown in the figure, A variable-speed dynamic head; Be made up of motor, shaft coupling, gearbox and planetary reduction gear, gearbox is the secondary transmission of electromagnetic clutch control, can static at a distance speed change down.
B hydraulic mandril mechanism: by oil cylinder 1, connector 2, annular rolling disk 3, slide block lateral pin 4 and push rod 5 are formed, oil cylinder 1 afterbody and variable-speed dynamic head capsule body are connected, tailpiece of the piston rod and annular rolling disk are connected, connector 2 upper ends are connected with variable-speed dynamic head output shaft, the lower end is connected with drilling rod C, slide block lateral pin 4 moves axially in connecting body opening and in the elongated slot of both sides, 2 bearings are equipped with in 3 li rollings of annular rolling disk in slide block lateral pin two ends, like this, slide block promptly can rotate with connector, can under the oil cylinder effect, move axially again, thereby promote the motion that knife system and baffle mechanism are expanded in push rod 5 controls.
C drilling rod (containing drill bit): be welded by drilling rod body and helical blade, the end is equipped with drill bit, is mainly used to bore straight hole, and the effect of blade is a upwards defeated soil when boring straight hole, and the soil bits can lodge in blade space during reaming.
D expands knife system: expand cutter 6, underneath type expansion cutter 7 and slide block 8 by overhead and form.It is link-type that overhead expands cutter, hinged with drilling rod and slide block, and it is lever that underneath type expands cutter, hinged with drilling rod, is slidingly connected with slide block; Slide block is a split-type structural, is convenient to assembling, and slide block is connected with push rod 5, and moves axially under the effect of push rod 5, and realization is expanded opening of cutter and drawn in.
The E baffle mechanism: be made up of push rod 9, baffle plate 10 and extension spring 11, the push rod upper end is connected with slide block, and baffle plate and drilling rod body are hinged, and dead slot was connected with the extension spring of opposite side in the middle of its transverse arm passed push rod.During work, when the expansion cutter rotated to blade edge by original position, baffle plate promptly forwarded the operating position under the push rod effect, enter when cutting the earthy attitude when expanding cutter, baffle plate since buting iron to act on original position motionless, when reaming finishes, move on the push rod, expand cutter and collapse to blade edge, it is motionless that baffle plate still is in original position, keeps retaining earthy attitude, after soil is got rid of on drilling tool proposition ground, push rod moves on continuing, and expands cutter and baffle plate and draws in fully.
The drilling tool course of work: earlier drilling tool and long-spiral drilling machine pile frame are slidingly connected, oil cylinder is connected with drilling rig hydraulic system.Behind good stake position, connect electricity and make the variable-speed dynamic head drive the drilling rod rotation, and bore straight hole down, reach to carry after the hole depth boring and get rid of soil, again drilling tool is put at the bottom of the hole, operating hydraulically operated post rod mechanism counter-rotating reaming, because be counter-rotating, soil bits move downward, and blocked by baffle plate and retain in blade space, after reaming finished, operating hydraulically operated push rod was returned sword, to blade edge, can carry boring and get rid of soil, afterwards, baffle plate and expansion cutter are drawn in fully, a working cycles is finished immediately.
Claims (4)
1, a kind of drilling tool for hooped pile is characterized in that this drilling tool can finish boring, reaming simultaneously, fetch earth, and can enlarge the expanded hole more than 2 simultaneously.
2, the described drilling tool for hooped pile of claim 1 is made up of variable-speed dynamic head (A), drilling rod (C), it is characterized in that having additional on the drilling rod (C) two groups of above expansion knife system (D) and baffle mechanisms (E); Have additional hydraulic mandril mechanism between variable-speed dynamic head (A) and the drilling rod (C), be used to control the motion of expanding knife system and baffle mechanism.
3, drilling tool for hooped pile according to claim 2 is characterized in that, variable-speed dynamic head (A) is by motor, shaft coupling, and gearbox and planetary reduction gear are formed, and gearbox is the secondary transmission of electromagnetic clutch control; The B of hydraulic mandril mechanism is made up of oil cylinder (1), connector (2), annular rolling disk (3), slide block lateral pin (4) and push rod (5), the housing of the afterbody of oil cylinder and variable-speed dynamic head is connected, tailpiece of the piston rod and annular rolling disk are connected, connector (2) upper end is connected with variable-speed dynamic head (A) output shaft, the lower end is connected with drilling rod (C), slide block lateral pin (4) moves axially in connecting body opening and in the elongated slot of both sides, and slide block lateral pin two ends are equipped with 2 bearings and are rolled in annular rolling disk (3) lining; Drilling rod (C) is welded by drilling rod body and helical blade, and the end is equipped with drill bit; Expanding knife system (D) is made up of overhead expansion cutter (6), underneath type expansion cutter (7) and slide block (8), it is that link-type and drilling rod and slide block are hinged that overhead expands cutter, it is lever that underneath type expands cutter, hinged with drilling rod, be slidingly connected with slide block, slide block is a split-type structural, and slide block is connected and can axially moves with push rod (5); Baffle mechanism (E) is made up of push rod (9), baffle plate (10) and extension spring (11), and the push rod upper end is connected with slide block, and baffle plate and drilling rod body are hinged, and dead slot was connected with other layback spring in the middle of its transverse arm passed push rod.
4, it is characterized in that according to claim 2 or 3 described drilling tool for hooped pile, expand the knife system and the number of baffle plate machine and the Ei position on drilling rod and can select as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105952 CN1026910C (en) | 1993-05-15 | 1993-05-15 | Drilling tool for hoop pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105952 CN1026910C (en) | 1993-05-15 | 1993-05-15 | Drilling tool for hoop pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1080974A CN1080974A (en) | 1994-01-19 |
| CN1026910C true CN1026910C (en) | 1994-12-07 |
Family
ID=4985990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93105952 Expired - Fee Related CN1026910C (en) | 1993-05-15 | 1993-05-15 | Drilling tool for hoop pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1026910C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071125C (en) * | 1998-10-12 | 2001-09-19 | 范永昌 | Bathing medicine for preventing and curing vulva disease |
| CN112921957B (en) * | 2021-01-22 | 2022-03-25 | 温州城建集团股份有限公司 | Construction method for deep backfill filling wall foundation |
-
1993
- 1993-05-15 CN CN 93105952 patent/CN1026910C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1080974A (en) | 1994-01-19 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |