CN106836208A - One kind spray stake machine and sub-surface spray pile construction method - Google Patents
One kind spray stake machine and sub-surface spray pile construction method Download PDFInfo
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- CN106836208A CN106836208A CN201710084724.2A CN201710084724A CN106836208A CN 106836208 A CN106836208 A CN 106836208A CN 201710084724 A CN201710084724 A CN 201710084724A CN 106836208 A CN106836208 A CN 106836208A
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- drilling rod
- rig
- spray
- sub
- hydraulic pressure
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- 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
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
One kind spray stake machine and sub-surface spray pile construction method, wherein spray stake machine, including drilling rod, the rig that control drilling rod pierces bottom surface, the feeding channel being opened in the middle part of drilling rod, the hopper to feeding concrete in feeding channel, the drilling rod outside is provided with fin that is continuous, setting in the shape of a spiral, the feeding channel extends to the top of drilling rod, the hydraulic pressure for being pressed down against concrete is provided with the rig and extrudes bar, the lifting device for lifting drilling rod is provided with the rig.Sub-surface spray pile construction method is comprised the following steps：A, roadbed leveling；B, fixed rig；C, startup rig；D, spray stake, the present invention is intended to provide a kind of simple to operate, used time is short, sub-surface of low cost spray pile construction method, while this arrangement and method for construction also has the advantages that airborne dust is few, work progress is more environmentally-friendly.
Description
Technical field
The present invention relates to road surfacing field, more particularly to a kind of sub-surface spray pile construction method.
Background technology
With the development that traffic and town road are built, road pavement laying intensity and reliability requirement are improved constantly, because
This needs a kind of arrangement and method for construction for strengthening road surfacing intensity on soft ground.
It is 2008.03.13 in the applying date, one is disclosed in the Chinese utility model patent of Publication No. CN201173091
Two-way stirring pile dusting machine drill bit is planted, the outer drill bit being connected with outer drilling rod and the interior drill bit being connected with interior drilling rod is provided with, it is described
Outer drill bit is provided with the sleeve pipe being connected with outer drilling rod, and stirring vane is fixed with the outer wall of sleeve pipe, the inwall of sleeve pipe be provided with
The bearing and sealing device coordinated between interior drilling rod, described interior drill bit are provided with the core pipe docked with interior drilling rod, the outer wall of core pipe
It is provided with upper and lower two-layer fin, the bottom of lower level tabs is apex point, the distance between two-layer fin is 20~30cm, in the two-layer wing
Between piece ash spraying port is provided with the core pipe of upper strata fin.Between outer drill bit and outer drilling rod, between interior drill bit and interior drilling rod
It is connected through a screw thread.
The above method is referred to as soft soil roadbed powder-spray pile method in construction, using the drill bit on special pile dusting machine in roadbed
Upper punching.But the above method is high to drill bit requirement, need to detect bit diameter before construction every time, its wear extent cannot be greater than 1cm.But
Such as visible in above-mentioned patent, the fin on its drill bit is elongated, and not only wear extent is huge in boring procedure, and easily snaps off, and has
It is to be modified.
The content of the invention
It is an object of the invention to provide one kind spray stake machine, the advantage is that the drill bit on spray stake machine is not easy to wear.
Above-mentioned technical purpose of the invention technical scheme is that：One kind spray stake machine, including drilling rod,
Control drilling rod pierces the rig of bottom surface, is opened in the feeding channel in the middle part of drilling, the hopper to feeding concrete in feeding channel,
The drilling rod outside is provided with fin that is continuous, setting in the shape of a spiral, and the feeding channel extends to the top of drilling rod, described
The hydraulic pressure for being pressed down against concrete is provided with rig and extrudes bar, the lifting for lifting drilling rod is provided with the rig
Device.
By using above-mentioned technical proposal, using lower turn of spiral helicine drilling rod so that the resistance bored under drilling rod is smaller and complete
Cause that concrete-pile is cast in sub-surface by extracting drilling rod simultaneously, extruding concrete downwards after into lower brill, cancelled with this
The rotation repeatedly of drilling rod, significantly reduce that drilling rod is subject in work progress weares and teares.Mode additionally by drawing replaces
Reversion drilling rod, significantly reduces the airborne dust during stake is sprayed, the more influence during reduction pavement construction to environment, ring
Protect.
The present invention is further arranged to：Scraping wings is provided with the top of the feeding channel, the scraping wings leads to feeding
Road sliding connection, and the limiting stand for preventing scraping wings from dropping out is additionally provided with the top of the feeding channel, the limiting stand is arranged
It is connected in drilling rod upper end and with drill rod thread.
By using above-mentioned technical proposal, hydraulic pressure extrusion bar is extruded the concrete in drilling rod by scraping wings, effectively kept away
Exempt from hydraulic pressure extrusion boom end be stained with concrete and influence it to reuse, while drilling rod decline during, scraping wings with it is spacing
Platform coordinates the concrete pressure kept in drilling rod, it is to avoid the earth material of sub-surface is by the concrete material top in drilling rod in going down process
Go out.
The present invention is further arranged to：Rotary power unit is provided with the frame, the rotary power unit is arranged
Outside hydraulic pressure extrusion bar, the rotary power unit is fixedly connected with limiting stand, and when being bored under drilling rod, rotary power unit
Direction of rotation and limiting stand to screw direction identical.
By using above-mentioned technical proposal, connection and the drilling rod of limiting stand and drilling rod are realized by rotary power unit
Rotation, simplifies drill configuration.
The present invention is further arranged to：The feeding hydraulic pressure dress for promoting rotary power unit descending is provided with the rig
Put.
By using above-mentioned technical proposal, aid in being bored under drilling rod by feeding hydraulic means, it is ensured that drilling rod smoothly drills.
The present invention is further arranged to：The rig lower section is provided with guiding and embraces ring, and the guiding is embraced ring and cut with scissors including two-phase
What is connect embraces arc, and the guiding is embraced ring inner side and is provided with the internal thread being threadedly coupled with fin.
By using above-mentioned technical proposal, by be oriented to embrace ring the drilling rod in descending is carried out it is spacing, it is to avoid drilling rod bores inclined.
The present invention is further arranged to：The scraping wings passes through magnetic attraction with hydraulic pressure extrusion bar.
By using above-mentioned technical characteristic so that hydraulic pressure extrudes bar after extruding scraping wings completes the extrusion of concrete, leads to
Scraping wings is taken up by crossing rise hydraulic pressure extrusion bar, it is convenient to repeat spray stake.
Another object of the present invention is to provide sub-surface spray pile construction method, its abrasion to drilling rod is small.
Above-mentioned technical purpose of the invention technical scheme is that：A kind of sub-surface sprays pile driving construction
Method, it is characterised in that comprise the following steps：
A, roadbed leveling, understand earth's surface every obstacle thing；
B, fixed rig, adjust drilling rod fixed angle, it is ensured that drilling rod in vertical state, injects the coagulation for completing stirring in drilling rod
Soil, while annular is embraced into ring set in drilling rod bottom；
C, startup rig, open rotary power unit, limiting stand are screwed in into drilling rod top, and continue by rotary power unit drive
Drilling rod rotates, and restarts feeding hydraulic means, is bored under auxiliary drilling rod；
D, spray stake, after drilling rod reaches designated depth, stop the rotation power set, opens annular and embraces ring, reverse starting feeding hydraulic pressure
Device, lifts drilling rod and starts hydraulic pressure extrusion bar simultaneously, and extrusion concrete is until drilling rod is extracted completely downwards.
By using above-mentioned technical proposal, realize being punched on sub-surface by the single direction rotation of drilling rod, and by same
Shi Tisheng drilling rods, spray squeeze the spray stake that concrete is realized on sub-surface, effectively reduce the abrasion of drilling rod, and be prevented effectively from existing
Drilling rod road surface airborne dust caused by rotating repeatedly, is conducive to construction environment to clean in technology.
The present invention is further arranged to：In step d, hydraulic pressure extrusion bar declines and stops extrusion bar after scraping wings conflict,
Keep hydraulic pressure extrusion bar motionless, extracted drilling rod completely by feeding hydraulic means.
By using above-mentioned technical proposal so that the lifting of drilling rod forms relative motion with hydraulic pressure extrusion bar, keeps coagulation
Soil with drilling rod lifting synchronously carry out.
The present invention is further arranged to：Also include step e, compacting：Continue to start hydraulic pressure knock-pin until scraping wings lower end
Face is concordant with ground.
By using above-mentioned technical proposal, concrete-pile is compacted using hydraulic pressure extrusion bar.
The present invention is further arranged to：Also include step f, the earth material that drilling rod outside takes up is cleared up.
By using above-mentioned technical proposal, the sub-surface earth material that drilling rod outside takes up is cleaned out, be easy to drilling spray next time
Stake.
Brief description of the drawings
Fig. 1 is the overall structure diagram of spray stake machine in embodiment one；
Fig. 2 is the schematic diagram of drilling rod in embodiment one；
Fig. 3 is the connection diagram of drilling rod and limiting stand in embodiment one；
Fig. 4 is the structural representation of rotary power unit in embodiment one；
Fig. 5 is drilling spray pile driving construction schematic diagram in embodiment two.
In figure, 1, rig；2nd, drilling rod；3rd, car body；4th, support；5th, first hydraulic cylinder；6th, rotary power unit；7th, connect
Frame；8th, motor；9th, limiting stand；10th, linkage portion；11st, second hydraulic cylinder；12nd, hydraulic pressure extrusion bar；13rd, feeding channel；14th, fin；
15th, scraping wings；16th, it is oriented to and embraces ring.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment one：One kind spray stake machine, including rig 1, drilling rod 2.Wherein rig 1 includes the car body 3 positioned at lower end, top
Support 4 is set.Support 4 is vertically arranged with feeding hydraulic means, and the feeding hydraulic means is first hydraulic cylinder 5.First hydraulic cylinder 5
On be fixedly connected a rotary power unit 6, rotary power unit 6 includes link 7, motor 8 and is connected with motor 8
Limiting stand 9.Limiting stand 9 is annularly set, and the edge of limiting stand 9 is provided with the output gear on gear and the power transmission shaft of motor 8
Drive connection.Link 7 is fixed on motor 8, and is fixedly connected with first hydraulic cylinder 5 simultaneously.Be additionally provided with link 7 with
The linkage portion 10 that the upper/lower terminal face of limiting stand 9 contradicts, to realize being driven on limiting stand 9 when first hydraulic cylinder 5 is lifted simultaneously
Lower movement.And the lower section of limiting stand 9 is threadedly coupled with the top of drilling rod 2.Drive drilling rod 2 to rotate by starting motor 8, and utilize the
The lifting of one hydraulic cylinder 5 drives drilling rod 2, rotary power unit 6 to move up and down.
The second hydraulic cylinder 11 being vertically arranged, the lower end fixed hydraulic of second hydraulic cylinder 11 are connected with the upper end of support 4
Extrusion bar 12.Realize that hydraulic pressure extrudes the lifting of bar 12 by controlling second hydraulic cylinder 11.And hydraulic lifting is through in limiting stand 9
The heart is just right with feeding channel 13 in drilling rod 2.
The outside of drilling rod 2 is wholely set spiral fin 14, is drilled for road pavement basic unit when rotated.
The guiding that the lower end of support 4 is then provided with annulus row embraces ring 16, and the guiding is embraced ring 16 and is made up of the two arc fastenings of embracing being hinged.
The inner side for being oriented to armful ring 16 is provided with the internal thread coordinated with fin 14.For its guide effect when drilling rod is bored for 2 times, prevent from boring
Bar 2 is bored partially.
Before drilling rod 2 times is bored, first hydraulic cylinder 5 is risen, the mixed of stirring is completed to being inserted in feeding channel 13 by hopper
Solidifying soil, takes the closing feeding channel 13 of scraping wings 15 being engaged with feeding channel 13 afterwards.First hydraulic cylinder 5 is then fallen, is opened
Dynamic rotary power unit 6 so that limiting stand 9 screws in the upper end of drilling rod 2, continues to keep rotary power unit 6 to be in starting state simultaneously
Keep first hydraulic cylinder 5 to decline, drilling rod 2 is drilled down into sub-surface.Drilling rod 2 decline during, scraping wings 15 with it is spacing
Platform 9 is contradicted to ensure that scraping wings 15 will not be deviate from from feeding channel 13, while because the concrete in feeding channel 13 receives pusher
The limitation of plate 15 will not be extruded by the earth material of lower section so that drilling rod 2 is smoothly lower to be bored.After drilling rod 2 comes downwards to target depth, stop
Rotary power unit 6, rises first hydraulic cylinder 5 and is contradicted with scraping wings 15 while falling second hydraulic cylinder 11.So that drilling rod 2 is extracted
While, scraping wings 15 is ejected by hydraulic pressure extrusion bar 12, so as to concrete is released into feeding channel 13 from the lower section of drilling rod 2, is realized
The filling of the lifting of drilling rod 2 and hole inner concrete synchronously carry out, until completing spray stake.
Embodiment two：A kind of sub-surface sprays pile construction method, comprises the following steps：
A, roadbed leveling, understand earth's surface every obstacle thing；
B, fixed rig 1, adjust the fixed angle of drilling rod 2, it is ensured that drilling rod 2 in vertical state, injects in drilling rod 2 and completes stirring
Concrete, while annular is embraced into ring set in the bottom of drilling rod 2；
C, startup rig 1, open rotary power unit 6, limiting stand 9 are screwed in into the top of drilling rod 2, and continue by rotary power unit
6 drive drilling rods 2 rotate, and restart feeding hydraulic means, and 2 times brills of auxiliary drilling rod keep rate of penetration v=0.2 ~ 0. 3m/min,
Drilling depth is usually no more than 0.5m；
D, spray stake, after drilling rod 2 reaches designated depth, stop the rotation power set 6, opens annular and embraces ring, reverse starting feeding liquid
Pressure device, lifts drilling rod 2 while starting hydraulic pressure extrusion bar 12, and concrete is extruded downwards up to drilling rod 2 is extracted completely, keeps lifting
Speed:vP=0. 1~0. 2m/min；
E, compacting：Continue to start hydraulic pressure knock-pin until the lower surface of scraping wings 15 is concordant with ground；
F, the earth material to being taken up on the outside of drilling rod 2 are cleared up.
Pile construction method is lifted the spray of this sub-surface by drilling rod 2, Concrete Filled amount is limited, and is applied in general to handing over
Reinforcing during logical, town road base layer construction.
Specific embodiment is only explanation of the invention, and it is not limitation of the present invention, those skilled in the art
The modification without creative contribution can be made to the present embodiment as needed after this specification is read, but as long as in this hair
All protected by Patent Law in bright right.
Claims (10)
- It is 1. a kind of to spray stake machine, it is characterised in that：The rig (1) of bottom surface is pierced including drilling rod (2), control drilling rod (2), be opened in brill Feeding channel (13) in the middle part of bar (2), the hopper to feeding concrete in feeding channel (13), drilling rod (2) outside are set There is fin (14) that is continuous, setting in the shape of a spiral, the feeding channel (13) extends to the top of drilling rod (2), the rig (1) hydraulic pressure for being pressed down against concrete is provided with and extrudes bar (12), be provided with for lifting drilling rod on the rig (1) (2) lifting device.
- It is 2. according to claim 1 to spray stake machine, it is characterised in that：Scraping wings is provided with the top of the feeding channel (13) (15), the scraping wings (15) is connected with feeding channel (13) sliding, and is additionally provided with the top of the feeding channel (13) anti- The limiting stand (9) that thrust flitch (15) is dropped out, the limiting stand (9) is set in drilling rod (2) upper end and connects with drilling rod (2) screw thread Connect.
- It is 3. according to claim 2 to spray stake machine, it is characterised in that：Rotary power unit (6), institute are provided with the frame State rotary power unit (6) and be set in hydraulic pressure extrusion bar (12) outward, the rotary power unit (6) is fixed with limiting stand (9) to be connected When connecing, and being bored under drilling rod (2), the direction of rotation of rotary power unit (6) and limiting stand (9) to screw direction identical.
- It is 4. according to claim 3 to spray stake machine, it is characterised in that：Promotion rotary power dress is provided with the rig (1) Put (6) descending feeding hydraulic means.
- It is 5. according to claim 4 to spray stake machine, it is characterised in that：Rig (1) lower section is provided with guiding and embraces ring (16), Armful ring (16) that is oriented to includes the two armful arcs being hinged, and the guiding is embraced to be provided with the inside of ring (16) and is threadedly coupled with fin (14) Internal thread.
- It is 6. according to claim 5 to spray stake machine, it is characterised in that：The scraping wings (15) is extruded bar (12) and is passed through with hydraulic pressure Magnetic attraction.
- 7. a kind of sub-surface sprays pile construction method, it is characterised in that comprise the following steps：A, roadbed leveling, understand earth's surface every obstacle thing；B, fixed rig (1), adjust drilling rod (2) fixed angle, it is ensured that drilling rod (2) in vertical state, has injected in drilling rod (2) Into the concrete of stirring, while annular is embraced into ring set in drilling rod (2) bottom；C, startup rig (1), open rotary power unit (6), limiting stand (9) are screwed in into drilling rod (2) top, and continue by rotating Power set (6) drive drilling rod (2) rotation, restart feeding hydraulic means, are bored under auxiliary drilling rod (2)；D, spray stake, after drilling rod (2) reaches designated depth, the power set that stop the rotation (6) open annular and embrace ring, and reverse starting enters To hydraulic means, drilling rod (2) is lifted while starting hydraulic pressure extrusion bar (12), extrusion concrete is until drilling rod (2) is pulled out completely downwards Go out.
- 8. sub-surface according to claim 6 sprays pile construction method, it is characterised in that：In step d, hydraulic pressure extrusion bar (12) decline and scraping wings (15) stop extrusion bar after contradicting, and holding hydraulic pressure extrusion bar (12) is motionless, will by feeding hydraulic means Drilling rod (2) is extracted completely.
- 9. sub-surface according to claim 7 sprays pile construction method, it is characterised in that：Also include step e, compacting：After It is continuous to start hydraulic pressure knock-pin until scraping wings (15) lower surface is concordant with ground.
- 10. sub-surface according to claim 8 sprays pile construction method, it is characterised in that：Also including step f, to drilling rod (2) earth material that outside takes up is cleared up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084724.2A CN106836208B (en) | 2017-02-16 | 2017-02-16 | Pile spraying machine and pavement base pile spraying construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084724.2A CN106836208B (en) | 2017-02-16 | 2017-02-16 | Pile spraying machine and pavement base pile spraying construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106836208A true CN106836208A (en) | 2017-06-13 |
| CN106836208B CN106836208B (en) | 2020-04-03 |
Family
ID=59128409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710084724.2A Active CN106836208B (en) | 2017-02-16 | 2017-02-16 | Pile spraying machine and pavement base pile spraying construction method |
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| Country | Link |
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| CN (1) | CN106836208B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984848A (en) * | 2019-11-25 | 2020-04-10 | 江苏鑫上电子科技有限公司 | Pile driver is used in installation of photovoltaic support |
| CN112695735A (en) * | 2020-12-07 | 2021-04-23 | 内蒙古蒙草矿山科技有限责任公司 | Chestnut calcium is sand column filling device for soil horizon |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969902A (en) * | 1973-07-23 | 1976-07-20 | Yoshino Ichise | Contruction method for continuous row of piles and earth drill for use therefor |
| CN101962949A (en) * | 2009-07-23 | 2011-02-02 | 北京中岩大地工程技术有限公司 | Long spiral double-pipe high-pressure stir-jet grouting pile construction method and device |
| CN102561331A (en) * | 2012-01-17 | 2012-07-11 | 广东华隧建设股份有限公司 | Drilling machine for pray stake construction and method for constructing by means of drilling machine |
| CN103343535A (en) * | 2013-07-24 | 2013-10-09 | 中铁科工集团有限公司 | Double-tube dry-shotcrete cement soil pile-forming method |
| CN106049471A (en) * | 2016-06-08 | 2016-10-26 | 叶长青 | Hard stone layer rotary jet stirring device |
-
2017
- 2017-02-16 CN CN201710084724.2A patent/CN106836208B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969902A (en) * | 1973-07-23 | 1976-07-20 | Yoshino Ichise | Contruction method for continuous row of piles and earth drill for use therefor |
| CN101962949A (en) * | 2009-07-23 | 2011-02-02 | 北京中岩大地工程技术有限公司 | Long spiral double-pipe high-pressure stir-jet grouting pile construction method and device |
| CN102561331A (en) * | 2012-01-17 | 2012-07-11 | 广东华隧建设股份有限公司 | Drilling machine for pray stake construction and method for constructing by means of drilling machine |
| CN103343535A (en) * | 2013-07-24 | 2013-10-09 | 中铁科工集团有限公司 | Double-tube dry-shotcrete cement soil pile-forming method |
| CN106049471A (en) * | 2016-06-08 | 2016-10-26 | 叶长青 | Hard stone layer rotary jet stirring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984848A (en) * | 2019-11-25 | 2020-04-10 | 江苏鑫上电子科技有限公司 | Pile driver is used in installation of photovoltaic support |
| CN112695735A (en) * | 2020-12-07 | 2021-04-23 | 内蒙古蒙草矿山科技有限责任公司 | Chestnut calcium is sand column filling device for soil horizon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106836208B (en) | 2020-04-03 |
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Address after: 215300 335 Gucheng Road, Kunshan City, Suzhou, Jiangsu Applicant after: Kunshan Traffic Engineering Group Co., Ltd. Applicant after: Kunshan deer road access bridge engineering Co., Ltd. Address before: 215300 Nanbang Road 688, Kunshan Development Zone, Suzhou City, Jiangsu Province Applicant before: Kunshan Traffic Engineering Co., Ltd. Applicant before: Kunshan deer road access bridge engineering Co., Ltd. |
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