CN106120785B - A kind of pile cover former and Stake head handling and pile cover construction method - Google Patents
A kind of pile cover former and Stake head handling and pile cover construction method Download PDFInfo
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- CN106120785B CN106120785B CN201610726720.5A CN201610726720A CN106120785B CN 106120785 B CN106120785 B CN 106120785B CN 201610726720 A CN201610726720 A CN 201610726720A CN 106120785 B CN106120785 B CN 106120785B
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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
- E02D5/72—Pile shoes
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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
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Abstract
The invention discloses a kind of pile cover former and Stake head handling and pile cover construction method, the pile cover former includes pile cover forming drill and rotating driving device, and rotating driving device is located above pile cover forming drill；The pile cover that need to construct includes round table-like top pile cover section and circular cone shape bottom pile cover section, and pile cover forming drill includes core pipe and the helical blade being laid on core pipe lateral wall；Core pipe is divided into upper segment and bottom section, and helical blade is divided into upper blade and lower blade, and upper segment and upper blade form cylindric drill bit, bottom section and lower blade composition circular cone shape drill bit；The Stake head handling and pile cover construction method, including step：First, Stake head handling；2nd, bored under pile cover former and form pile cover clay model；3rd, pile cover filling concrete is constructed；4th, pile cover is molded.Reasonable in design, easy construction of the invention and using effect is good, can it is easy, be rapidly completed pile cover work progress, work progress is easily controllable, and the pile cover quality of construction molding is high.
Description
Technical field
The invention belongs to piling Technology field, is applied more particularly, to a kind of pile cover former and Stake head handling with pile cover
Work method.
Background technology
Nowadays, after bored pile piling, generally use manual type carries out pile cover construction, and pile cover is generally concrete knot
Structure.As shown in Fig. 1-1 to Fig. 1-8, when carrying out pile cover construction using manual type, work progress mainly includes the following steps that：The
One step, drilling 1-1 shaping after, by drilling rod 1-2 when carrying upwards by drilling rod 1-2 to drilling 1-1 in concrete perfusion, refer to figure
1-1；Second step, by drilling rod 1-2 carry upwards to drilling 1-1 on the outside of, and in hole to be drilled 1 institute's concrete perfusion solidification after, filled
Stake pile body 1-3 is noted, to ensure pile crown quality, bored concrete pile pile body 1-3 elevation of top will typically be higher by the stake top being pre-designed
Absolute altitude, in addition it is above ground level, refer to Fig. 1-2；Dregs is carried out on the outside of 3rd step, the section basseted to bored concrete pile pile body 1-3
Cleaning, refers to Fig. 1-3；4th step, diameter D and height h according to the concrete pile follower 1-5 being pre-designed, manually at pile crown
Dig out the cylindric clay model 1-4 for the concrete pile follower 1-5 that constructs, cylindric clay model 1-4 diameter and height respectively with advance
The concrete pile follower 1-5 of design diameter D is identical with height h, refers to Fig. 1-4；4th step, manually by bored concrete pile pile body 1-3's
Pile crown is cut to concordant with ground, refers to Fig. 1-5；6th step, manually bored concrete pile pile body 1-3 pile crown is truncated to be pre-designed
Stake top absolute altitude, obtain the pile body 1-6 of construction molding, refer to Fig. 1-6；7th step, irrigate coagulation in cylindric clay model 1-4
Soil, refer to Fig. 1-7；8th step, after institute's concrete perfusion solidification in cylindric clay model 1-4, obtain the concrete of construction molding
Pile cover 1-5, refers to Fig. 1-8.
In addition, in above-mentioned second step after filling concrete, Stake head handling is not carried out immediately, but after waiting 28 days, institute
Stake head handling is just carried out after concrete perfusion solidification completely to construct with pile cover.Thus, traditional Stake head handling is with pile cover construction
Filling concrete complete and carry out 28 days maintenance after carry out, now the intensity of concrete reached design strength 98%~
99%, pile crown is very rigid, intractability is big, speed is slow, and the equipment such as excavator, instrument is often collided in processing procedure
Pile crown, it is the big rigid body of fragility after being solidified due to pile crown, fracture is easy to once collision.In addition, using artificial cylindric soil
During mould 1-4, not only speed is slow, and cylindric clay model 1-4's is in irregular shape.
As shown in the above, when carrying out Stake head handling with pile cover construction using above-mentioned conventional method, exist following main
Problem：Firstth, efficiency of construction is low：Can only construct 3~5 pile covers for each person every day；Secondth, cost is high：Pure manual manufacture, people
Power cost is high；3rd, construction quality is uncontrollable：Because workmen's operation is lack of standardization, pile cover construction quality can not be protected effectively
Card；4th, work progress is complicated, and labor intensity is high；5th, pile cover construction need to be carried out again after pile concrete solidification, influence
The construction period of bored concrete pile.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of pile cover shaping
Device, its is simple in construction, reasonable in design and use is easy to operate, using effect is good, and energy is easy, is rapidly completed pile cover work progress,
Work progress is easily controllable, and the pile cover quality of construction molding is high.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of pile cover former, it is characterised in that：
Including carrying out the pile cover forming drill of drilling construction to the pile cover that need to construct and driving the pile cover forming drill continuously to be rotated
Rotating driving device, the rotating driving device is located above the pile cover forming drill, the pile cover forming drill and institute
Rotating driving device is stated to be connected；The pile cover that need to construct includes top pile cover section and bottom pile cover section, the top
Pile cover section is round table-like, and the bottom pile cover section is circular cone shape, and the diameter of the bottom pile cover section is from top to bottom gradually reduced
And its upper end diameter is identical with the diameter of the top pile cover section；The pile cover that pile cover is bored concrete pile that need to construct, the perfusion
The diameter of stake is identical with the lower end diameter of the bottom pile cover section；
The pile cover forming drill include can from top to bottom core pipe of the coaxial package on the pile body of the bored concrete pile and by
The helical blade being up to laid in down on core pipe lateral wall, the internal diameter of the core pipe are not less than the diameter of pile body；The core pipe peace
On the rotating driving device, the core pipe is connected with the rotating driving device；
The height of the core pipe is not less than the height for the pile cover that need to construct, the height of the helical blade and the pile cover that need to construct
It is highly identical；The core pipe is divided into upper segment and the bottom section immediately below the upper segment, the upper segment
Connected as one with the bottom section, the height of the bottom section is identical with the height of the bottom pile cover section；The spiral shell
Vane piece is divided into the upper blade being laid on the outside of the upper segment and the lower blade being laid on the outside of the bottom section,
The upper blade connects as one with the lower blade；The upper segment and the upper blade form cylindric brill
Head, the external diameter of the cylindric drill bit is identical with the diameter of the top pile cover section, and the width of the upper blade is from top to bottom
All same；The bottom section and lower blade composition circular cone shape drill bit, the upper end external diameter of the circular cone shape drill bit
It is identical with the upper end diameter of the bottom pile cover section, under the lower end external diameter of the circular cone shape drill bit and the bottom pile cover section
End diameter is identical, and the width of the lower blade is from top to bottom gradually reduced.
A kind of above-mentioned pile cover former, it is characterized in that：Diameter D1=Φ 600mm~Φ 2000mm of the top pile cover section
And its height h1=100mm~500mm, lower end diameter D2=Φ 400mm~Φ 1000mm of the bottom pile cover section and its height
Spend h2=100mm~500mm.
A kind of above-mentioned pile cover former, it is characterized in that：Lower drive shaft, the underdrive are installed directly over the core pipe
Axle is laid with core pipe in coaxial；Power transmission shaft, the upload are coaxially installed with the power output shaft of the rotating driving device
Moving axis is located at below the rotating driving device, and the upper power transmission shaft is located at the surface of lower drive shaft and the two is coaxially connected.
A kind of above-mentioned pile cover former, it is characterized in that：Connected between the core pipe and lower drive shaft by lower installation board
Connect, the lower installation board and the perpendicular laying of core pipe, the lower outside of the lower drive shaft are provided with multiple tracks reinforcing plate, multiple tracks institute
State reinforcing plate to be along the circumferential direction uniformly laid on the outside of lower drive shaft, reinforcing plate described in multiple tracks is modification of right-angled triangle plate and its bottom
Portion is each attached on lower installation board.
A kind of above-mentioned pile cover former, it is characterized in that：Pass through lower adpting flange between the upper power transmission shaft and lower drive shaft
It is attached, the lower adpting flange and the perpendicular laying of core pipe；The rotating driving device top is equipped with upper adpting flange, institute
Rotating driving device is stated to be arranged on hanging device by upper adpting flange.
A kind of above-mentioned pile cover former, it is characterized in that：The rotating driving device is laid with core pipe in coaxial, the rotation
Drive device is hydraulic motor.
A kind of above-mentioned pile cover former, it is characterized in that：Also include master control set, the rotating speed to the pile cover forming drill enters
The rotation speed detection unit that row detects in real time and the steering detection unit that the steering to the pile cover forming drill is detected in real time,
The rotating driving device is controlled by master control set；The rotation speed detection unit and turn to detection unit and master control set
Connection.
Meanwhile the invention also discloses the filling that a kind of method and step is simple, reasonable in design and easy construction, using effect are good
Note pile head processing and pile cover construction method, it is characterised in that this method comprises the following steps：
Step 1: Stake head handling：Wait after the completion of the pile concrete pouring construction of constructed bored concrete pile and mixed irrigating
Before solidifying soil initial set, according to the elevation of top for the bored concrete pile pile body of constructing being pre-designed, by the unnecessary mixed of stake holes inside upper part
Solidifying soil takes out；After institute's concrete perfusion final set, the pile body of construction molding is obtained；
Height at the top of the pile body to ground is h, and wherein h is less than the height for the pile cover that need to construct；
Pile cover clay model is formed Step 2: being bored under pile cover former：By hanging device by the pile cover former lift to
On the stake position of constructed bored concrete pile, it is then turned on the rotating driving device and drives the pile cover forming drill to bore from top to bottom
Enter, obtain construction molding and for the pile cover clay model for the pile cover that need to construct of constructing；After the completion of drilling, the rotation driving is closed
Device；
Step 3: pile cover filling concrete is constructed：The pile cover former is carried to pile cover soil upwards by hanging device
On the outside of mould, then filling concrete construction is carried out into pile cover clay model, the filling concrete work progress for pile cover of completing to construct；
Step 4: pile cover is molded：After institute's concrete perfusion final set in step 3, the pile cover of construction molding is obtained, it is described
Pile cover is located at the surface of pile body and it pours with pile body and is integrated.
The above method, it is characterized in that：In step 1 to the perfusion of the pile concrete of constructed bored concrete pile before, first to described
Stake holes is constructed；The concrete perfusion into the stake holes again, complete the pile concrete pouring construction mistake of bored concrete pile of constructing
Journey；Afterwards, according to the elevation of top for the bored concrete pile pile body of constructing being pre-designed, by the unnecessary coagulation of the stake holes inside upper part
Soil takes out；Then, the concrete in the stake holes is vibrated using concrete vibrating device and completes Stake head handling process,
Again layer protecting film is covered on the pile crown in the stake holes；
After the completion of being crept into step 2, the lower end of the pile cover former core pipe is sleeved on the outside of the upper end of pile body.
The above method, it is characterized in that：When being constructed to the stake holes, crept into from top to bottom using drilling rod until creeping into extremely
The design hole depth of constructed bored concrete pile, obtains the drilling of construction molding；Drilling rod is lifted up again, until drilling rod is proposed to drilling
Outside；During being lifted up, filling concrete construction is carried out into drilling by the way that drilling rod is synchronous from the bottom to top, completes the filling
Note the pile concrete pouring construction process of stake；It is described drilling by construction bored concrete pile the stake holes；
Hanging device described in step 2 is excavator；The pile cover former is lifted on below the crane arm of excavator.
The present invention has advantages below compared with prior art：
1st, used pile cover former is simple in construction and processing and fabricating is easy, and input cost is relatively low.
2nd, used pile cover former is reasonable in design, including to need to construct pile cover carry out drilling construction pile cover into
Type drill bit and the rotating driving device for driving pile cover forming drill continuously to be rotated, rotating driving device are located at pile cover shaping and bored
Head top, pile cover forming drill are connected with the rotating driving device；Pile cover forming drill includes can be from top to bottom
Core pipe of the coaxial package on the pile body of bored concrete pile and the helical blade being from top to bottom laid on core pipe lateral wall, core pipe are divided into
Upper segment and bottom section, helical blade are divided into upper blade and lower blade, upper segment and upper blade composition cylinder
Shape drill bit, bottom section and lower blade composition circular cone shape drill bit；The pile cover former is compact-sized.
3rd, used pile cover former simple installation and dismounting convenience, easy can be installed on the crane arm of excavator,
And be used cooperatively with excavator, occupy little space, use flexible operation mode.During actual use, the pile cover former can also pacify
On hanging device loaded on other type equipments, and it is used cooperatively with other types of hanging device.
4th, used pile cover former is good using easy to operate and using effect, easy construction, quick, and work progress is easy
In control, and the pile cover quality of construction molding is high, while can effectively reduce construction cost, realizes pile cover mechanized construction, constructs
Process control is easy, can effectively solve that efficiency of construction existing for existing cast-in-situ bored pile pile cover construction method is low, cost is high, applies
Working medium amount is uncontrollable, work progress is complicated, labor intensity is high, need to carry out pile cover construction, construction again after pile concrete solidification
The problems such as long in time limit.
5th, used Stake head handling and pile cover construction method step is simple, reasonable in design and easy construction, using effect
It is good, there is following several respects advantage：Firstth, efficiency of construction is high：Wait that the pile concrete pouring construction of constructed bored concrete pile is completed
Afterwards, Stake head handling just can be carried out immediately, thus Stake head handling operation, now Stake head handling operation are carried out when pile crown does not solidify
Efficiency high and intractability is low, high treating effect, and Stake head handling process is 2 hours after the completion of pile concrete pouring construction
Interior completion processing；Meanwhile after the pile concrete pouring construction of constructed bored concrete pile is completed 28 days, institute's concrete perfusion is complete
Solidification, just can carry out pile cover construction；Secondth, cost is low：Fully-mechanized operation, without extra labour cost, integrated pile cover shaping
Device easy can work on stake machine, without other autonomous device；3rd, can be effective by clearing up stake holes aperture
Improve inter-pile soil cleaning efficiency, while stake holes aperture clear up because pile crown it is processed into, do not basset, thus excavation
Pile crown need not be avoided during operation, operating efficiency is high；4th, work progress does not influence pile quality, will stake when pile crown does not solidify
Head processing is completed, and subsequent job will not impact wreckage pile crown；5th, construction quality is controllable：The height and diameter of pile cover take
The setting of parameter certainly in the size of drill bit and drilling process, few man's activity, steady quality；6th, using pile cover former
Carry out pile cover clay model construction, can effective extrusion soil, make hole wall closely knit, improve the stressed effect of pile cover.
In summary, reasonable in design, easy construction of the invention and using effect is good, can it is easy, be rapidly completed pile cover construction
Process, work progress is easily controllable, and the pile cover quality of construction molding is high.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1-1 shows for the Construction State during the existing construction pile cover using manual type into drilling during concrete perfusion
It is intended to.
Fig. 1-2 illustrates for the Construction State after the completion of filling concrete during the existing construction pile cover using manual type
Figure.
Fig. 1-3 is existing to be constructed using manual type during pile cover slag on the outside of the section basseted to bored concrete pile pile body
Construction State schematic diagram when soil is cleared up.
Fig. 1-4 is the Construction State schematic diagram after the completion of clay model construction during the existing construction pile cover using manual type.
Fig. 1-5 be it is existing using manual type construct pile cover during by pile crown be cut to it is concordant with ground after construction shape
State schematic diagram.
Fig. 1-6 is constructed after pile cover pile head is truncated to the stake top absolute altitude being pre-designed to be existing using manual type
Construction State schematic diagram.
Fig. 1-7 is the Construction State during the existing construction pile cover using manual type into clay model during institute's concrete perfusion
Schematic diagram.
Fig. 1-8 is the existing structural representation using manual type construction molding pile cover.
Fig. 1 is the structural representation of pile cover former of the present invention.
Fig. 2 is the use state reference chart of pile cover former of the present invention.
Fig. 3 is that method flow block diagram when Stake head handling is constructed with pile cover is carried out using the present invention.
Fig. 3-1 is the Construction State schematic diagram during pile concrete pouring construction of the present invention.
Fig. 3-2 is the Construction State schematic diagram after the completion of pile concrete pouring construction of the present invention.
Construction State Fig. 3-3 is clears up stake holes aperture after the completion of pile concrete pouring construction of the present invention when shows
It is intended to.
When stake holes inside upper part any excess concrete is to be taken out to Fig. 3-4 after the completion of pile concrete pouring construction of the present invention
Construction State schematic diagram.
Construction State signal Fig. 3-5 is carries out concrete vibrating after the completion of pile concrete pouring construction of the present invention when
Figure.
Fig. 3-6 is the Construction State schematic diagram after the completion of Stake head handling of the present invention.
Fig. 3-7 is Construction State schematic diagram when pile cover former to be aligned to the present invention pile crown.
Fig. 3-8 is the Construction State schematic diagram when present invention uses brill under pile cover former.
Fig. 3-9 is that the present invention uses the Construction State schematic diagram for boring and being formed after clay model under pile cover former.
Fig. 3-10 is the Construction State schematic diagram after the completion of pile cover of the present invention construction.
Fig. 4 is the schematic block circuit diagram of pile cover former of the present invention.
Fig. 5 is the dimensional structure diagram of construction molding pile cover of the present invention.
Fig. 6 is the structural representation of construction molding pile cover of the present invention.
Description of reference numerals:
1-1-drilling；1-2-drilling rod；1-3-bored concrete pile pile body；
1-4-cylindric clay model；1-5-concrete pile follower；1-6-pile body；
1-7-bottom drill bit；2-need to construct pile cover；3-core pipe；
4-helical blade；5-lower drive shaft；6-go up power transmission shaft；
7-lower installation board；8-reinforcing plate；9-lower adpting flange；
10-go up adpting flange；11-1-master control set；11-2-rotation speed detection unit；
11-3-steering detection unit；12-excavator；13-hydraulic motor；
14-plastic foil；15-pile cover clay model.
Embodiment
A kind of pile cover former as shown in Figure 1 and Figure 2, including the pile cover shaping of drilling construction is carried out to the pile cover 2 that need to construct
Drill bit and the rotating driving device for driving the pile cover forming drill continuously to be rotated, the rotating driving device is positioned at described
Above pile cover forming drill, the pile cover forming drill is connected with the rotating driving device；With reference to Fig. 5 and Fig. 6,
The pile cover 2 that need to construct includes top pile cover section and bottom pile cover section, and the top pile cover section is round table-like, the bottom pile cover
Section is circular cone shape, and the diameter of the bottom pile cover section is from top to bottom gradually reduced and its upper end diameter and the top pile cover section
Diameter it is identical；The pile cover that pile cover 2 is bored concrete pile that need to construct, under the diameter of the bored concrete pile and the bottom pile cover section
Hold diameter identical；
The pile cover forming drill includes can from top to bottom core pipe 3 of the coaxial package on the pile body 1-6 of the bored concrete pile
The helical blade 4 being from top to bottom laid on the lateral wall of core pipe 3, the internal diameter of the core pipe 3 are not less than pile body 1-6 diameter；
The core pipe 3 is arranged on the rotating driving device, and the core pipe 3 is connected with the rotating driving device；
The height of the core pipe 3 is not less than the height for the pile cover 2 that need to construct, and the height of the helical blade 4 is with needing construction stake
The height of cap 2 is identical；The core pipe 3 divides the bottom section for upper segment and immediately below the upper segment, it is described on
Portion section and the bottom section connect as one, and the height of the bottom section is identical with the height of the bottom pile cover section；
Upper blade that the helical blade 4 divides to be laid on the outside of the upper segment and under being laid on the outside of the bottom section
Portion's blade, the upper blade connect as one with the lower blade；The upper segment and upper blade composition circle
Column drill bit, the external diameter of the cylindric drill bit is identical with the diameter of the top pile cover section, the width of the upper blade by
Up to descend all same；The bottom section and the lower blade composition circular cone shape drill bit, the circular cone shape drill bit it is upper
Hold external diameter identical with the upper end diameter of the bottom pile cover section, the lower end external diameter of the circular cone shape drill bit and the bottom pile cover
The lower end diameter of section is identical, and the width of the lower blade is from top to bottom gradually reduced.
In the present embodiment, the height of the core pipe 3 is more than the height for the pile cover 2 that need to construct.
Also, the height of the core pipe 3 is 1.2 times~1.8 times of the height of pile cover 2 that need to construct.
During actual processing, the height of core pipe 3 can be adjusted accordingly according to specific needs.
In the present embodiment, the diameter D1=Φ 600mm~Φ 2000mm and its height h1=100mm of the top pile cover section
~500mm, the lower end diameter D2=Φ 400mm~Φ 1000mm and its height h2=100mm of the bottom pile cover section~
500mm。
During practice of construction, can according to specific needs, diameter D1 and height h1 to the top pile cover section and it is described under
The lower end diameter D2 and height h2 of portion's pile cover section value size adjust accordingly respectively.
In the present embodiment, the surface of the core pipe 3 is provided with lower drive shaft 5, and the lower drive shaft 5 is with core pipe 3 in same
Axle is laid；Power transmission shaft 6 is coaxially installed with the power output shaft of the rotating driving device, the upper power transmission shaft 6 is located at institute
State below rotating driving device, the upper power transmission shaft 6 is located at the surface of lower drive shaft 5 and the two is coaxially connected.
During actual installation, it is attached between the core pipe 3 and lower drive shaft 5 by lower installation board 7, the lower installation board
7 are provided with multiple tracks reinforcing plate 8 with 3 perpendicular laying of core pipe, the lower outside of the lower drive shaft 5, the edge of reinforcing plate 8 described in multiple tracks
Circumferencial direction is uniformly laid in the outside of lower drive shaft 5, and reinforcing plate 8 described in multiple tracks is modification of right-angled triangle plate and its bottom is fixed
On lower installation board 7.
In the present embodiment, the lower installation board 7 is circular flat board.Also, the lower installation board 7 and reinforcing plate 8 are not
Become rusty steel plate.The core pipe 3 is stainless steel tube.
In the present embodiment, it is attached between the upper power transmission shaft 6 and lower drive shaft 5 by lower adpting flange 9, under described
Adpting flange 9 and 3 perpendicular laying of core pipe；The rotating driving device top is equipped with upper adpting flange 10, the rotation driving
Device is arranged on hanging device by upper adpting flange 10.
In the present embodiment, the rotating driving device is laid with core pipe 3 in coaxial.
Also, the core pipe 3 is laid in vertical, and the lower adpting flange 9 and upper adpting flange 10 are in horizontal layout.
In the present embodiment, the rotating driving device is hydraulic motor 13.
During actual use, the rotating driving device can also use other types of rotational driving device, such as motor
Deng.
Meanwhile as shown in figure 4, pile cover former of the present invention, in addition to master control set 11-1, to the pile cover into
The rotation speed detection unit 11-2 that the rotating speed of type drill bit is detected in real time and the steering to the pile cover forming drill carry out real-time
The steering detection unit 11-3 of detection, the rotating driving device are controlled by master control set 11-1；The Rotating speed measring list
First 11-2 and steering detection unit 11-3 are connected with master control set 11-1.Thus, actual control is very easy.
In the present embodiment, the core pipe 3 is intended to be fixed with welding manner between helical blade 4.The core pipe 3 and lower peace
Under being located between loading board 7, between lower installation board 7 and lower drive shaft 5 and reinforcing plate 8 and in lower drive shaft 5 and lower adpting flange 9
It is fixed between the ring flange of side with welding manner.The upper power transmission shaft 6 and flange above in lower adpting flange 9
It is fixed between disk with welding manner.The shell of the hydraulic motor 13 and underlying ring flange in upper adpting flange 10
Between be fixed with welding manner.
A kind of method for carrying out Stake head handling and pile cover construction to bored concrete pile using pile cover former as shown in Figure 3, bag
Include following steps：
Step 1: Stake head handling：Wait after the completion of the pile concrete pouring construction of constructed bored concrete pile and mixed irrigating
Before solidifying soil initial set, according to the elevation of top for the bored concrete pile pile body 1-6 that constructs being pre-designed, by the unnecessary of stake holes inside upper part
Concrete takes out, and refers to Fig. 3-1, Fig. 3-2, Fig. 3-3 and Fig. 3-4；After institute's concrete perfusion final set, the stake of construction molding is obtained
Body 1-6；
Height at the top of the pile body 1-6 to ground is h, and wherein h is less than the height for the pile cover 2 that need to construct；
Pile cover clay model is formed Step 2: being bored under pile cover former：By hanging device by the pile cover former lift to
On the stake position of constructed bored concrete pile, it is then turned on the rotating driving device and drives the pile cover forming drill to bore from top to bottom
Enter, obtain construction molding and for the pile cover clay model 15 for the pile cover 2 that need to construct of constructing, refer to Fig. 3-7, Fig. 3-8 and Fig. 3-9；
After the completion of drilling, the rotating driving device is closed；
Step 3: pile cover filling concrete is constructed：The pile cover former is carried to pile cover soil upwards by hanging device
The outside of mould 15, then filling concrete construction is carried out into pile cover clay model 15, the filling concrete for pile cover 2 of completing to construct were constructed
Journey；
Step 4: pile cover is molded：After institute's concrete perfusion final set in step 3, the pile cover of construction molding is obtained, it is described
Pile cover is located at pile body 1-6 surface and it pours with pile body 1-6 and is integrated, and refers to Fig. 3-10.
In the present embodiment, in step 1 to the perfusion of the pile concrete of constructed bored concrete pile before, first the stake holes is entered
Row construction；The concrete perfusion into the stake holes again, complete the pile concrete pouring construction process of bored concrete pile of constructing；It
Afterwards, according to the elevation of top for the bored concrete pile pile body 1-6 that constructs being pre-designed, by any excess concrete of the stake holes inside upper part
Take out, refer to Fig. 3-4；Then, the concrete in the stake holes is vibrated using concrete vibrating device and completes pile crown
Layer protecting film is covered in processing procedure, then pile crown in the stake holes, refers to Fig. 3-5 and Fig. 3-6.
In the present embodiment, the diaphragm is plastic foil 14.
In the present embodiment, before any excess concrete of the stake holes inside upper part is taken out, first on the stake holes aperture
The loosened soil and laitance in portion are cleared up, and refer to Fig. 3-3.
Also, after covering one layer of diaphragm on the pile crown in the stake holes, complete Stake head handling process.
In the present embodiment, after the completion of the pile concrete pouring construction for waiting constructed bored concrete pile, pile crown just can be carried out immediately
Processing.Wherein, Stake head handling includes clearing up the loosened soil and laitance on stake holes aperture top, by stake holes inside upper part
Any excess concrete is taken out, the concrete in the stake holes vibrated and in the stake holes using concrete vibrating device
The one layer of diaphragm this four step is covered on pile crown, refers to Fig. 3-3 to Fig. 3-6.
Also, after the pile concrete pouring construction of constructed bored concrete pile is completed 28 days, institute's concrete perfusion is completely solidifying
Gu step 2 just can be entered, pile cover construction is carried out.
In the present embodiment, after the completion of being crept into step 2, the lower end of the pile cover former core pipe 3 is sleeved on pile body 1-
On the outside of 6 upper end, Fig. 3-9 is referred to.
In the present embodiment, before carrying out pile cover filling concrete construction in step 3, also need manually in pile cover clay model 15
Remaining dregs clear up and densification is real.
In the present embodiment, when being constructed to the stake holes, crept into from top to bottom using drilling rod 1-2 until creeping into being applied
The design hole depth of work bored concrete pile, obtain the drilling 1-1 of construction molding；Drilling rod 1-2 is lifted up again, until drilling rod 1-2 is proposed
To drilling 1-1；During being lifted up, filling concrete is carried out into drilling 1-1 by the way that drilling rod 1-2 is synchronous from the bottom to top
Construction, complete the pile concrete pouring construction process of the bored concrete pile；The drilling 1-1 by construction bored concrete pile the stake
Hole.
Wherein, the drilling 1-1 is the stake holes of the bored concrete pile.
In the present embodiment, before being crept into from top to bottom using drilling rod 1-2, drilling rod 1-2 is first moved to the stake of the bored concrete pile
On position, now central axis of the drilling rod 1-2 along the bored concrete pile is laid.
In the present embodiment, using in drilling rod 1-2 from top to bottom drilling process, the drilling rod 1-2 uses the side of rotary squeezing
Formula is drilled.
In the present embodiment, the drilling rod 1-2 includes the core bar of inner hollow and is laid in from the bottom to top on the outside of the core bar
Body of rod external thread structure on wall.Correspondingly, the pile body 1-6 is llong helix bored piles (also referred to as Screw Pile), the pile body
Pile body external thread structure is provided with 1-6 from the bottom to top.The knot of the body of rod external thread structure and the pile body external thread structure
Structure is identical, and cutting tooth is not provided with the body of rod external thread structure, and is not unearthed laterally in boring procedure, boring procedure
For full soil compaction work progress.
The pile body external thread structure be equal pitch thread and its be single thread or multi start thread；The pile body external screw thread
Structure is cylindrical thread.
During practice of construction, it can also be drilled using rotary cutting by the way of rotary squeezing is combined.Now, it is described
Cutting tooth is provided with body of rod external thread structure, is unearthed laterally in boring procedure, but amount of being unearthed is very small.Thus, drilled
The work progress that journey is combined for cutting with soil compaction, also referred to as half soil compaction work progress.
In the present embodiment, cutting tooth or blade are provided with the outside of the helical blade 2-2.
In the present embodiment, using in drilling rod 1-2 from top to bottom drilling process, the drilling rod 1-2 is to turn clockwise；Upwards
During lifting drilling rod 1-2, the drilling rod 1-2 is rotate counterclockwise, during such drilling rod 1-2 is lifted up, to molded
1-1 drill without any effect, the drilling 1-1 of construction molding is screwed hole.
During practice of construction, when being not provided with the pile body external thread structure on pile body 1-6, turn clockwise；Upwards
During lifting drilling rod 1-2, the drilling rod 1-2 is turns clockwise, during such drilling rod 1-2 is lifted up, to molded
Drilling 1-1 is extruded, and the drilling 1-1 of construction molding is cylindrical hole.
In the present embodiment, the drilling rod 1-2 is the drilling rod of screw pile driver, and the screw pile driver includes pile frame and installation
Drilling equipment on pile frame, the electronic rotation that the drilling equipment includes drilling rod 1-2 and drives drilling rod 1-2 continuously to be rotated
Drive mechanism；The electronic rotation drive mechanism and drilling rod 1-2 outer end are connected, and the drilling rod 1-2 is inside
The hollow body of rod and its outer end connects with grouting equipment；
In the present embodiment, the electronic rotation drive mechanism is unit head, and the unit head uses on 07 04th, 2012
Disclosed in the application for a patent for invention of disclosed Publication No. CN102535445A (Application No. CN201210026528.7)
High pulling torque adjustable speed unit head.
Screw pile driver described in step 1 uses Publication No. CN102535445A application for a patent for invention《Long spire squeezes
It is pressed into rock filling pile shaped device and forming method》Disclosed in shaped device, difference is, and the drilling in step 2
Method, the application for a patent for invention with Publication No. CN102535445A《Long spire be squeezed into rock filling pile shaped device and into
Type method》In boring method it is identical.
In the present embodiment, hanging device described in step 2 is excavator 12；The pile cover former is lifted on excavator
Below 12 crane arm.
Also, the pile cover former is arranged on the crane arm by upper adpting flange 10.It is described in the present embodiment
It is fixed in the crane arm of excavator 12 and upper adpting flange 10 between ring flange above with welding manner.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and the equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (10)
- A kind of 1. pile cover former, it is characterised in that：Pile cover forming drill including carrying out drilling construction to the pile cover (2) that need to construct With the rotating driving device for driving the pile cover forming drill continuously to be rotated, the rotating driving device is located at the pile cover Above forming drill, the pile cover forming drill is connected with the rotating driving device；The pile cover (2) that need to construct Including top pile cover section and bottom pile cover section, the top pile cover section is round table-like, and the bottom pile cover section is circular cone shape, institute The diameter for stating bottom pile cover section is from top to bottom gradually reduced and its upper end diameter is identical with the diameter of the top pile cover section；It is described The pile cover (2) that need to construct is the pile cover of bored concrete pile, and the diameter of the bored concrete pile is identical with the lower end diameter of the bottom pile cover section；The pile cover forming drill includes can from top to bottom core pipe (3) of the coaxial package on the pile body (1-6) of the bored concrete pile The helical blade (4) being from top to bottom laid on core pipe (3) lateral wall, the internal diameter of the core pipe (3) are not less than pile body (1-6) Diameter；The core pipe (3) is arranged on the rotating driving device, and the core pipe (3) is carried out with the rotating driving device Drive connection；The rotating driving device is laid with core pipe (3) in coaxial；The height of the core pipe (3) is not less than the height for pile cover (2) that need to construct, and the height of the helical blade (4) is constructed with needing The height of pile cover (2) is identical；The core pipe (3) is divided into upper segment and the bottom section immediately below the upper segment, The upper segment and the bottom section connect as one, the height of the height of the bottom section and the bottom pile cover section It is identical；The helical blade (4) is divided into the upper blade being laid on the outside of the upper segment and is laid in the bottom section The lower blade in outside, the upper blade connect as one with the lower blade；The upper segment and the upper leaf Piece forms cylindric drill bit, and the external diameter of the cylindric drill bit is identical with the diameter of the top pile cover section, the upper blade Width from top to bottom all same；The bottom section and lower blade composition circular cone shape drill bit, the circular cone shape The upper end external diameter of drill bit is identical with the upper end diameter of the bottom pile cover section, the lower end external diameter of the circular cone shape drill bit with it is described The lower end diameter of bottom pile cover section is identical, and the width of the lower blade is from top to bottom gradually reduced.
- 2. according to a kind of pile cover former described in claim 1, it is characterised in that：The diameter D1=Φ of the top pile cover section 600mm~Φ 2000mm and its height h1=100mm~500mm, the lower end diameter D2=Φ 400mm of the bottom pile cover section~ Φ 1000mm and its height h2=100mm~500mm.
- 3. according to a kind of pile cover former described in claim 1 or 2, it is characterised in that：The surface installation of the core pipe (3) There is lower drive shaft (5), the lower drive shaft (5) is laid with core pipe (3) in coaxial；The power output shaft of the rotating driving device On be coaxially installed with power transmission shaft (6), the upper power transmission shaft (6) is located at below the rotating driving device, the upper power transmission shaft (6) it is located at the surface of lower drive shaft (5) and the two is coaxially connected.
- 4. according to a kind of pile cover former described in claim 3, it is characterised in that：The core pipe (3) and lower drive shaft (5) it Between be attached by lower installation board (7), the lower installation board (7) and core pipe (3) perpendicular laying, the lower drive shaft (5) Lower outside be provided with multiple tracks reinforcing plate (8), reinforcing plate (8) is along the circumferential direction uniformly laid in lower drive shaft described in multiple tracks (5) outside, reinforcing plate (8) described in multiple tracks is modification of right-angled triangle plate and its bottom is each attached on lower installation board (7).
- 5. according to a kind of pile cover former described in claim 3, it is characterised in that：The upper power transmission shaft (6) and lower drive shaft (5) it is attached between by lower adpting flange (9), the lower adpting flange (9) and core pipe (3) perpendicular laying；The rotation Rotary driving device top is equipped with upper adpting flange (10), and the rotating driving device is arranged on lifting by upper adpting flange (10) In equipment.
- 6. according to a kind of pile cover former described in claim 1 or 2, it is characterised in that：The rotating driving device is hydraulic pressure Motor (13).
- 7. according to a kind of pile cover former described in claim 1 or 2, it is characterised in that：Also include master control set (11-1), right Rotation speed detection unit (11-2) that the rotating speed of the pile cover forming drill is detected in real time and to the pile cover forming drill The steering detection unit (11-3) detected in real time is turned to, the rotating driving device is controlled by master control set (11-1) System；The rotation speed detection unit (11-2) and steering detection unit (11-3) are connected with master control set (11-1).
- 8. a kind of want the 1 pile cover former to carry out Stake head handling and the method for pile cover construction to bored concrete pile using according to right, Characterized in that, this method comprises the following steps：Step 1: Stake head handling：Wait after the completion of the pile concrete pouring construction of constructed bored concrete pile and in institute's concrete perfusion Before initial set, according to the elevation of top for bored concrete pile pile body (1-6) that construct being pre-designed, by the unnecessary mixed of stake holes inside upper part Solidifying soil takes out；After institute's concrete perfusion final set, the pile body (1-6) of construction molding is obtained；Height at the top of the pile body (1-6) to ground is h, and wherein h is less than the height for pile cover (2) that need to construct；Pile cover clay model is formed Step 2: being bored under pile cover former：The pile cover former is lifted to being applied by hanging device On the stake position of work bored concrete pile, it is then turned on the rotating driving device and drives the pile cover forming drill to creep into from top to bottom, obtain Obtain construction molding and for the pile cover clay model (15) for the pile cover (2) that need to construct of constructing；After the completion of drilling, close the rotation and drive Dynamic device；Step 3: pile cover filling concrete is constructed：The pile cover former is carried to pile cover clay model upwards by hanging device (15) outside, then to carrying out filling concrete construction in pile cover clay model (15), need to the construct filling concrete of pile cover (2) of completion are applied Work process；Step 4: pile cover is molded：After institute's concrete perfusion final set in step 3, the pile cover of construction molding, the pile cover are obtained Positioned at the surface of pile body (1-6) and its pour and be integrated with pile body (1-6).
- 9. in accordance with the method for claim 8, it is characterised in that：The pile concrete of constructed bored concrete pile is filled in step 1 Before note, first the stake holes is constructed；The concrete perfusion into the stake holes again, the pile body of bored concrete pile of completing to construct mix Coagulate native pouring construction process；Afterwards, according to the elevation of top for bored concrete pile pile body (1-6) that construct being pre-designed, by the stake Any excess concrete of hole inside upper part takes out；Then, the concrete in the stake holes is shaken using concrete vibrating device Smash and complete Stake head handling process, then layer protecting film is covered on the pile crown in the stake holes；After the completion of being crept into step 2, the lower end of the pile cover former core pipe (3) is sleeved on outside pile body (1-6) upper end Side.
- 10. in accordance with the method for claim 9, it is characterised in that：When being constructed to the stake holes, using drilling rod (1-2) Drilling is until drilling obtains the drilling (1-1) of construction molding to the design hole depth for bored concrete pile of constructing from top to bottom；Carry upwards again Drilling rod (1-2) is risen, until drilling rod (1-2) is proposed to drilling (1-1)；During being lifted up, by drilling rod (1-2) by Under supreme synchronization filling concrete construction is carried out into drilling (1-1), complete pile concrete pouring construction of the bored concrete pile Process；It is described drilling (1-1) by construction bored concrete pile the stake holes；Hanging device described in step 2 is excavator (12)；The pile cover former is lifted under the crane arm of excavator (12) Side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610726720.5A CN106120785B (en) | 2016-08-25 | 2016-08-25 | A kind of pile cover former and Stake head handling and pile cover construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610726720.5A CN106120785B (en) | 2016-08-25 | 2016-08-25 | A kind of pile cover former and Stake head handling and pile cover construction method |
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| CN106120785B true CN106120785B (en) | 2018-03-09 |
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| CN106703021B (en) * | 2017-03-17 | 2018-11-02 | 中交一公局第一工程有限公司 | A kind of construction method and its device of screw rod pile pile cover |
| CN106759339B (en) * | 2017-03-17 | 2022-06-03 | 中交一公局第一工程有限公司 | Pile cap concrete construction method and device without digging and removing soil between piles |
| CN108755729B (en) * | 2018-08-20 | 2023-07-04 | 中铁二十局集团第一工程有限公司 | CFG pile foundation pile cap and pile body integrated construction device and method |
| CN109537582B (en) * | 2018-11-22 | 2021-03-30 | 中铁十二局集团有限公司 | Construction method for CFG pile front cut pile head and earth mould pouring pile cap |
| CN113684785B (en) * | 2021-08-23 | 2023-06-16 | 中交(天津)疏浚工程有限公司 | Construction process of pile foundation wharf |
| CN114045813B (en) * | 2021-11-24 | 2023-02-28 | 中铁建工集团有限公司 | Pile cap construction method |
| CN114635413A (en) * | 2022-02-25 | 2022-06-17 | 中铁二十局集团第二工程有限公司 | Pile construction method |
| CN115354662B (en) * | 2022-09-14 | 2023-10-27 | 湖北萨莱玛木结构工程有限公司 | Moistureproof construction tool for wooden house foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4945603B2 (en) * | 2009-07-03 | 2012-06-06 | 前田製品販売株式会社 | Expanded hole drilling head |
| CN204609754U (en) * | 2015-05-12 | 2015-09-02 | 中铁第四勘察设计院集团有限公司 | A kind of reverse frustoconic pile cover foundation trench Spiral digging machine |
| CN205288179U (en) * | 2015-12-22 | 2016-06-08 | 山东瑞尚化工机械有限公司 | Agitated vessel uses double -deck frame |
| CN105888576A (en) * | 2016-06-12 | 2016-08-24 | 江苏昌鑫基础工程有限公司 | Drilling assembly for integrated construction of long spiral bored perfusion pile top and cap |
| CN105862732A (en) * | 2016-06-12 | 2016-08-17 | 江苏昌鑫基础工程有限公司 | PLC-controlled (programmable logic controller controlled) integrated construction apparatus for long-spiral cast-in-place bored pile top cap |
| CN206034435U (en) * | 2016-08-25 | 2017-03-22 | 铁道第三勘察设计院集团有限公司 | Pile cover shaper |
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Address after: The northern section of Beilin District Yanta Road 710054 Shaanxi city of Xi'an province No. 8 unit 2 Building 2 room 22308 Applicant after: Shaanxi Pile Construction Technology Co., Ltd. Applicant after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Applicant before: China Railway Third Survey and Design Institute Group Ltd. Applicant before: Shaanxi Pile Construction Technology Co., Ltd. |
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