CN106194034A - A kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and construction method thereof - Google Patents
A kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and construction method thereof Download PDFInfo
- Publication number
- CN106194034A CN106194034A CN201610783168.3A CN201610783168A CN106194034A CN 106194034 A CN106194034 A CN 106194034A CN 201610783168 A CN201610783168 A CN 201610783168A CN 106194034 A CN106194034 A CN 106194034A
- Authority
- CN
- China
- Prior art keywords
- arm
- drill bit
- pile foundation
- lower slider
- pile
- 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.)
- Pending
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Classifications
-
- 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
Abstract
The invention provides a kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and construction method thereof, device includes drilling rod and straight stake drill bit, oil cylinder, piston rod, upper saddle and lower slider it is provided with in drilling rod, upper saddle is connected with the upper end of piston rod, the lower end of lower slider and piston rod is rabbeted, and upper saddle and lower slider are slidably connected on the inwall of oil cylinder respectively；Also include cut drill, cut drill includes cutting arm, adjusts arm and linking arm, and the lower end of linking arm is hinged with lower slider, and the upper end of linking arm is hinged with the one end adjusting arm, adjust the upper end of the hinged cutting arm of the other end of arm, and adjustment arm is fixed relative to drilling rod with the pin joint of cutting arm.Provide the benefit that and can complete to widen the action of pile foundation hole in the case of not using expansion drill bit apparatus, have to save and repeatedly install and remove the advantage of big drill bit time, and simple in construction, easy to make, cost is relatively low.
Description
Technical field
The invention belongs to underground engineering field, especially relate to a kind of hydraulically adjustable drill bit for the expanding pore-forming of pile foundation
Device and construction method thereof.
Background technology
Model analysis uses reaming can improve bearing capacity of single pile, but uses the construction of mechanical amplification head, apparatus expensive,
Cost is higher；Use rotation repeatedly to dig extraction body refuse construction quality cannot ensure again, and site supervision examination reaming is relatively difficult.
Summary of the invention
In view of this, it is contemplated that propose a kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and execute
Work method, it is possible in the case of not using expansion drill bit apparatus, complete to widen the action of pile foundation hole, has saving and repeatedly installs
With remove the advantage of big drill bit time, and simple in construction, easy to make, cost is relatively low.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation, including drilling rod and be arranged on described drilling rod
Straight stake drill bit, be provided with oil cylinder, piston rod, upper saddle and lower slider in described drilling rod, described upper saddle and described piston rod
Upper end connect, the lower end interlocking of described lower slider and described piston rod, and described upper saddle and described lower slider slide respectively
It is connected on the inwall of described oil cylinder；Also include that cut drill, described cut drill include cutting arm, adjust arm and linking arm,
The lower end of described linking arm is hinged with described lower slider, and the upper end of described linking arm is hinged with one end of described adjustment arm, described
Adjust the upper end of the hinged described cutting arm of the other end of arm, and described adjustment arm described brill relative with the pin joint of described cutting arm
Bar is fixed.
Further, including three described cut drill, described cut drill is distributed on the trisection point of described drilling rod.
Further, described lower slider is provided with the clamping part being clamped on described drilling-rod external wall, and described clamping part is provided with phase
The lug extending out described drilling-rod external wall, described linking arm is hinged on described lug.
Further, described straight stake drill bit is provided with spiral blade.
Further, the top of described drilling rod is provided with fixed cover.
The construction method of a kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation, comprises the following steps:
The first step: guide according to arrangement of pile foundation situation and measure control point, and set up reinforcing bar, as corner measuring control point
Fender pile mark；
Second step: bury steel pile casting in the aperture measuring control point underground, and corner control stake is guided on casing and used cross
Line indicates the center of boring, straight stake drill bit hole position alignment accordingly；
3rd step: crept into according to rotary method construction by straight stake drill bit, to expanding position, is oil by hydraulic control system
Oil supply cylinder, piston rod is descending by oil pressure, and upper saddle and lower slider slide downwards, the pin joint stress of linking arm and lower slider to
Under, driving adjustment arm to move downward, thus drive the pin joint adjusting arm and linking arm descending, cutting arm is hinged with adjustment arm
Point is fixing, and cutting arm is by downward pulling force, thus realizes cutting arm and launch, and three cutting arms are formed and expand section, along with drill bit
Boring downwards dynamic, cut drill expands pile foundation aperture；
4th step: when, after reaming to predeterminated position, closing hydraulic control system is oil cylinder fuel feeding, and piston rod is up, upper cunning
Seat and lower slider slide upwards, and upwards, drive adjusts arm and moves upward the pin joint stress of linking arm and lower slider, thus drives
The pin joint adjusting arm and linking arm is up, and the pin joint of cutting arm and adjustment arm is fixed, and cutting arm is by upwards pulling force, thus
Realize cutting arm to shrink, cutting arm no longer reaming cutting pile foundation hole；
5th step: after being reached projected depth by straight stake bit bore, starts once clear hole；
6th step: carry out secondary pile hole cleaning, and after secondary pile hole cleaning, pouring underwater concrete in pile foundation hole；
7th step: cast-in-situ bored pile obtains concrete test specimen, and detects concrete piles quality.
Further, the described first step is chosen φ 8 reinforcing bar as the corner fender pile measuring control point.
Further, the once clear hole of described 5th step and the secondary pile hole cleaning of described 6th step, use and change slurry clear hole method.
Further, in described 6th step, in pile foundation hole during pouring underwater concrete, catheterized reperfusion is used to mix under water
Solidifying soil, conduit buried depth in concrete controls at 3 meters to 6 meters.
Further, in described 7th step, every concrete test specimen is no less than 3 groups.
Relative to prior art, the hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation of the present invention and executing
Work method has the advantage that
The technical scheme expanding drill bit taked when widening pile foundation hole compared to tradition, the present invention passes through oneself of cut drill
By stretching, it is possible to form expanding section, hydraulic control system be oil cylinder fuel feeding, control oil cylinder inner piston rod, upper saddle and under
The motion of slide, thus control the expanding pore-forming of cut drill, complete to widen the action of pile foundation hole, there is saving and repeatedly pacify installation and dismantling
Except the advantage of big drill bit time, and simple in construction, easy to make, cost is relatively low.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of cut drill contraction state；
Fig. 2 is the structural representation of cut drill deployed condition；
Fig. 3 is the plan structure schematic diagram on the upside of drilling rod；
Fig. 4 is the structural representation that pile foundation hole is widened.
Description of reference numerals:
1-drilling rod；11-fixed cover；2-straight stake drill bit；3-oil cylinder；4-piston rod；5-upper saddle；6-lower slider；61-clamps
Portion；62-lug；7-cut drill；71-cutting arm；72-adjusts arm；73-linking arm.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1, 2, 3, a kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation, including drilling rod 1 and
The straight stake drill bit 2 being arranged on described drilling rod 1, is provided with oil cylinder 3, piston rod 4, upper saddle 5 and lower slider 6 in described drilling rod 1,
Described upper saddle 5 is connected with the upper end of described piston rod 4, the lower end interlocking of described lower slider 6 and described piston rod 4, and described
Upper saddle 5 and described lower slider 6 are slidably connected on the inwall of described oil cylinder 3 respectively；Also include cut drill 7, described cutting
Drill bit 7 includes cutting arm 71, adjusts arm 72 and linking arm 73, and the lower end of described linking arm 73 is hinged with described lower slider 6, described
The upper end of linking arm 73 is hinged with one end of described adjustment arm 72, the hinged described cutting arm 71 of the other end of described adjustment arm 72
Upper end, and described adjustment arm 72 described drilling rod 1 relative with the pin joint of described cutting arm 71 is fixing.
Including three described cut drill 7, described cut drill 7 is distributed on the trisection point of described drilling rod 1.
Described lower slider 6 is provided with the clamping part 61 being clamped on described drilling rod 1 outer wall, and described clamping part 61 is provided with relative institute
Stating the lug 62 that drilling rod 1 outer wall extends out, described linking arm 73 is hinged on described lug 62.
Described straight stake drill bit 2 is provided with spiral blade.
The top of described drilling rod 1 is provided with fixed cover 11.
The work process of this example: comprise the following steps:
The first step: guide according to arrangement of pile foundation situation and measure control point, and choose φ 8 reinforcing bar as four measuring control point
Angle fender pile, as corner fender pile mark；
Second step: bury steel pile casting in the aperture measuring control point underground, and corner control stake is guided on casing and used cross
Line indicates the center of boring, straight stake drill bit 2 hole position alignment accordingly；
3rd step: straight stake drill bit 2 is crept into according to rotary method construction, to expanding position, by hydraulic control system is
Oil cylinder 3 fuel feeding, piston rod 4 is descending by oil pressure, and upper saddle 5 and lower slider 6 slide downwards, and linking arm 73 is hinged with lower slider 6
Point stress is downward, drives adjustment arm 72 to move downward, thus drives the pin joint adjusting arm 72 and linking arm 73 descending, cutting arm
71 fix with the pin joint adjusting arm 72, and cutting arm 71 is by downward pulling force, thus realize cutting arm 71 and launch, three cutting arms
71 form expansion section, and along with drill bit bores downwards, cut drill expands pile foundation aperture；
4th step: when, after reaming to predeterminated position, closing hydraulic control system is oil cylinder 3 fuel feeding, and piston rod 4 is up, on
Slide 5 and lower slider 6 slide upwards, and the pin joint stress of linking arm 73 and lower slider 6 upwards, drives adjustment arm 72 upwards to transport
Dynamic, thus drive the pin joint adjusting arm 72 and linking arm 73 up, the pin joint of cutting arm 71 and adjustment arm 72 is fixed, and cuts
Cut arm 71 and be subject to upwards pulling force, thus realize cutting arm 71 and shrink, cutting arm 71 no longer reaming cutting pile foundation hole, expand such as Fig. 4 institute
The pile foundation hole shape shown；
5th step: after being reached projected depth by the boring of straight stake drill bit 2, employing is changed slurry clear hole method and is started once clear hole；
6th step: employing is changed slurry clear hole method and carried out secondary pile hole cleaning, and after secondary pile hole cleaning, uses catheterized reperfusion water
Lower concrete, conduit buried depth in concrete controls at 3 meters to 6 meters, pouring underwater concrete in pile foundation hole；
7th step: cast-in-situ bored pile obtains concrete test specimen, and every concrete test specimen is no less than 3 groups, and detects concrete piles quality.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. for the hydraulically adjustable drill bit device of the expanding pore-forming of pile foundation, including drilling rod and be arranged on described drilling rod
Straight stake drill bit, it is characterised in that: it is provided with oil cylinder, piston rod, upper saddle and lower slider, described upper saddle and institute in described drilling rod
The upper end stating piston rod connects, the lower end interlocking of described lower slider and described piston rod, and described upper saddle and described lower slider
It is slidably connected at respectively on the inwall of described oil cylinder；Also include cut drill, described cut drill include cutting arm, adjust arm and
Linking arm, the lower end of described linking arm is hinged with described lower slider, one end hinge of the upper end of described linking arm and described adjustment arm
Connect, the upper end of the hinged described cutting arm of the other end of described adjustment arm, and the pin joint phase of described adjustment arm and described cutting arm
Described drilling rod is fixed.
Hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation the most according to claim 1, it is characterised in that: include
Three described cut drill, described cut drill is distributed on the trisection point of described drilling rod.
3. according to the hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation described in any one of claim 1 or 2, its feature
Being: described lower slider is provided with the clamping part being clamped on described drilling-rod external wall, described clamping part is provided with outside the most described drilling rod
The lug that wall extends out, described linking arm is hinged on described lug.
Hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation the most according to claim 1, it is characterised in that: described
Straight stake drill bit is provided with spiral blade.
Hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation the most according to claim 1, it is characterised in that: described
The top of drilling rod is provided with fixed cover.
6. one kind use hydraulically adjustable drill bit device as claimed in claim 1 construction method, it is characterised in that: include with
Lower step:
The first step: guide according to arrangement of pile foundation situation and measure control point, and set up reinforcing bar, as corner fender pile measuring control point
Mark；
Second step: bury steel pile casting in the aperture measuring control point underground, and corner control stake is guided on casing and used cross hairs mark
The center of bright boring, straight stake drill bit hole position alignment accordingly；
3rd step: crept into according to rotary method construction by straight stake drill bit, to expanding position, is that oil cylinder supplies by hydraulic control system
Oil, piston rod is descending by oil pressure, and upper saddle and lower slider slide downwards, and linking arm is downward with the pin joint stress of lower slider, band
The dynamic arm that adjusts moves downward, thus drives the pin joint adjusting arm and linking arm descending, and the pin joint of cutting arm and adjustment arm is solid
Fixed, and cutting arm is by downward pulling force, thus realize cutting arm and launch, three cutting arms are formed and expand section, along with drill bit is downward
Boring dynamic, cut drill expands pile foundation aperture；
4th step: when after reaming to predeterminated position, closing hydraulic control system is oil cylinder fuel feeding, and piston rod is up, upper saddle and
Lower slider slides upwards, and the pin joint stress of linking arm and lower slider upwards, drives adjustment arm to move upward, thus drives adjustment
The pin joint of arm and linking arm is up, and the pin joint of cutting arm and adjustment arm is fixed, and cutting arm is by upwards pulling force, thus realizes
Cutting arm shrinks, cutting arm no longer reaming cutting pile foundation hole；
5th step: after being reached projected depth by straight stake bit bore, starts once clear hole；
6th step: carry out secondary pile hole cleaning, and after secondary pile hole cleaning, pouring underwater concrete in pile foundation hole；
7th step: cast-in-situ bored pile obtains concrete test specimen, and detects concrete piles quality.
The construction method of hydraulically adjustable drill bit device the most according to claim 6, it is characterised in that: in the described first step
Choose φ 8 reinforcing bar as the corner fender pile measuring control point.
The construction method of hydraulically adjustable drill bit device the most according to claim 6, it is characterised in that: described 5th step
Once clear hole and the secondary pile hole cleaning of described 6th step, uses and changes slurry clear hole method.
The construction method of hydraulically adjustable drill bit device the most according to claim 6, it is characterised in that: described 6th step
In, in pile foundation hole during pouring underwater concrete, using catheterized reperfusion underwater concrete, conduit buried depth in concrete controls
3 meters to 6 meters.
The construction method of hydraulically adjustable drill bit device the most according to claim 6, it is characterised in that: described 7th step
In, every concrete test specimen is no less than 3 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783168.3A CN106194034A (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783168.3A CN106194034A (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194034A true CN106194034A (en) | 2016-12-07 |
Family
ID=58086193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610783168.3A Pending CN106194034A (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulically adjustable drill bit device for the expanding pore-forming of pile foundation and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194034A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843245A (en) * | 2018-05-29 | 2018-11-20 | 上海宝冶集团有限公司 | A kind of diameter-enlarging drill bit and pile foundation hole diameter enlarging method |
| CN109653682A (en) * | 2018-12-17 | 2019-04-19 | 九江职业技术学院 | Bore the adjustable drill bit of diameter and hole digging machine |
| CN109838211A (en) * | 2019-04-03 | 2019-06-04 | 华北水利水电大学 | A kind of underwater pile drilling operation platform |
| WO2021047095A1 (en) * | 2019-09-09 | 2021-03-18 | 江西基业科技有限公司 | Construction method for continuous pile forming |
| CN113756845A (en) * | 2021-09-01 | 2021-12-07 | 中煤地质集团有限公司中南分公司 | Underground pedestrian passageway construction method |
| WO2023197398A1 (en) * | 2022-04-11 | 2023-10-19 | 中铁四局集团第五工程有限公司 | Multifunctional device for branch pile construction and construction method for branch pile |
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| CN102383732A (en) * | 2011-07-20 | 2012-03-21 | 上海广联建设发展有限公司 | Sectional type hydraulic foundation expansion drilling bucket |
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| US20140374170A1 (en) * | 2013-06-19 | 2014-12-25 | Toby Scott Baudoin | Underreamer Apparatus and Method |
| CN105781424A (en) * | 2016-05-03 | 2016-07-20 | 周兆弟 | Variable-diameter drilling bit mechanism for drill stem |
| CN206158593U (en) * | 2016-08-31 | 2017-05-10 | 中冶天工集团有限公司 | Drill bit device with adjustable a hydraulic pressure for pile foundation hole enlargement pore -forming |
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| CN101046094A (en) * | 2006-03-27 | 2007-10-03 | 上海市第四建筑有限公司 | Construction process of poured pile with steel pipe as wall protecting casing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843245A (en) * | 2018-05-29 | 2018-11-20 | 上海宝冶集团有限公司 | A kind of diameter-enlarging drill bit and pile foundation hole diameter enlarging method |
| CN109653682A (en) * | 2018-12-17 | 2019-04-19 | 九江职业技术学院 | Bore the adjustable drill bit of diameter and hole digging machine |
| CN109838211A (en) * | 2019-04-03 | 2019-06-04 | 华北水利水电大学 | A kind of underwater pile drilling operation platform |
| WO2021047095A1 (en) * | 2019-09-09 | 2021-03-18 | 江西基业科技有限公司 | Construction method for continuous pile forming |
| CN113756845A (en) * | 2021-09-01 | 2021-12-07 | 中煤地质集团有限公司中南分公司 | Underground pedestrian passageway construction method |
| WO2023197398A1 (en) * | 2022-04-11 | 2023-10-19 | 中铁四局集团第五工程有限公司 | Multifunctional device for branch pile construction and construction method for branch pile |
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Application publication date: 20161207 |