CN106854871A - A kind of vertical cement mixing pile former and molding construction method - Google Patents
A kind of vertical cement mixing pile former and molding construction method Download PDFInfo
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- CN106854871A CN106854871A CN201710121249.1A CN201710121249A CN106854871A CN 106854871 A CN106854871 A CN 106854871A CN 201710121249 A CN201710121249 A CN 201710121249A CN 106854871 A CN106854871 A CN 106854871A
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- 239000004568 cement Substances 0.000 title claims abstract description 172
- 238000002156 mixing Methods 0.000 title claims abstract description 142
- 238000010276 construction Methods 0.000 title claims abstract description 66
- 238000000465 moulding Methods 0.000 title abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 111
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 238000013461 design Methods 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 57
- 230000008569 process Effects 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 32
- 239000011083 cement mortar Substances 0.000 claims description 23
- 239000011378 shotcrete Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000037237 body shape Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 19
- 239000011440 grout Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- Engineering & Computer Science (AREA)
- General 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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of vertical cement mixing pile former and molding construction method, the former includes the vertical outer tube of vertical drive bar, drive device, coaxial package on the outside of vertical drive bar and the agitating device installed in vertical drive bar bottom, and outer tube is connected with cement slurry pumping device；Agitating device is laid and the synchronous agitator arm for carrying out vertically stirring including two horizontal drive bars and two groups in symmetrical；The molding construction method includes step：First, preparation of construction；2nd, cement mixing pile driving construction：201st, lower brill is stirred and whitewashed；202nd, above carry and stir and whitewash；203rd, pile body shaping.Reasonable in design, easy construction of the invention and using effect is good, in cement mixing pile formation of pile, the lower brill of vertical cement mixing pile equipment is conducive to stir feeding, cement mixing pile pile body rectangular cross-section after pile simultaneously, easy construction, and the cement mixing pile bearing capacity of single pile of construction molding is higher.
Description
Technical field
The invention belongs to piling Technology field, more particularly, to a kind of vertical cement mixing pile former and shaping
Construction method.
Background technology
It is the accident such as prevent setting of ground drawing crack after the completion of construction from causing building unstable, such as ground is not hard enough
Gu, need to process subgrade before construction, its sedimentation is become sufficiently solid, to improve the degree of consolidation of subgrade
With stability to design requirement, this process is called treatment of soft foundation, is called soft foundation processing.Cement mixing pile is common as one kind
Treatment of soft foundation measure, it appears it is particularly important.Cement mixing pile is a kind of effective form for the treatment of of soft foundation, and it is made using cement
It is the host of curing agent, cement jet is entered into the soil body using mixing pile machine and is sufficiently stirred for, makes cement that a series of physical occur with soil
Chemical reaction, makes weak soil harden and improve foundation strength.
When traditional cement mixing pile former is constructed, stirring vane is generally horizontal rotation and (revolves in the horizontal plane
Turn stirring), also referred to as " laterally stirring ", while stirring vane is stirred, band compressed water slurry is pumped and by whitewashing by slush pump
Hole is outwards sprayed, and consolidated earth mass, the pile body of institute's construction molding cement mixing pile are formed after cement and soil are thoroughly mixed
Section is cylinder.During practice of construction, traditional cement mixing pile former is primarily present following shortcoming：Firstth, constructed
The pile body section for being molded cement mixing pile is cylindrical, in the case of identical cement consumption, compared to the pile body of other cross sectional shapes
Bearing capacity of single pile is smaller；Secondth, it is easy during stirring because the stirring vane of conventional cement mixing pile former is horizontal rotation
Produce soil and cement grout to mix uneven phenomenon, influence pile quality；3rd, due to conventional cement mixing pile former
Stirring vane be horizontal rotation, easily produce at different depth that cement content is different on cement mixing pile pile body in whipping process
Phenomenon, make to occur the layering of pile body cement density after cement mixing pile pile uneven.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned deficiency of the prior art, there is provided a kind of vertical cement
Mixing pile former, its simple structure, reasonable in design and good using easy to operate, using effect, the cement mixing after pile
Stake pile body rectangular cross-section, cement content is uniform in easy construction, and the pile body of the cement mixing pile of construction molding, single pile bearing
Li Genggao.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of vertical cement mixing pile former,
It is characterized in that：Including in vertically to lay vertical drive bar, drive vertical drive bar continuously rotate and make vertical drive bar
It is drilled down into vertical outer tube with the drive device, coaxial package being lifted up on the outside of vertical drive bar and installed in vertical
The agitating device of drive rod bottom, the outer tube is connected with cement slurry pumping device；
The agitating device includes vertical rabbling mechanism, and the vertical rabbling mechanism can enter including two around its center axis
The horizontal drive bar and two groups that continuously rotate go in symmetrical laying and the agitator arm of vertically stirring, two water is synchronously carried out
Flat drive rod is symmetrically mounted on vertical drive bar bottom, and two horizontal drive bars are in horizontal layout and the two is in coaxial cloth
If；It is connected by transmission mechanism between each described horizontal drive bar and vertical drive bar；Each described level
Agitator arm described in one group is respectively arranged with drive rod, agitator arm described in every group includes an agitator arm or multiple in parallel
Lay and structure snd size all same agitator arm, each described agitator arm in vertically to lay and its with level drive
The perpendicular laying of lever；Diameter As of the lateral length C of the vertical rabbling mechanism not less than agitator arm；
Equal coaxial sleeve is equipped with a horizontal outer tube on each described horizontal drive bar, and the bottom of the vertical outer tube is opened
There is the mounting hole that two flat outer tubes that supply water respectively are installed, the horizontal outer tube is connected with vertical outer tube inside；It is described perpendicular
Cement mortar is to the cavity between the cavity between outer tube and vertical drive bar and horizontal drive bar and horizontal outer tube
Conveyor chamber；Each described agitator arm is hollow-core construction, be provided with the excircle of each agitator arm it is multiple with
The gunniting hole of cement mortar conveyor chamber connection, multiple gunniting holes be laid on same vertical plane and its along the circumferential direction
It is uniform to lay.
A kind of above-mentioned vertical cement mixing pile former, it is characterized in that：The transmission mechanism is gear drive.
A kind of above-mentioned vertical cement mixing pile former, it is characterized in that：The agitating device also includes by vertical drive
Bar drives carries out the Horizontal mixer structure of level stirring, the Horizontal mixer structure in horizontal layout and its be coaxially mounted to vertically
On drive rod, the Horizontal mixer structure is located at agitator arm lower section described in two groups；The Horizontal mixer structure is hollow structure；
The bottom of the Horizontal mixer structure is along the circumferential direction evenly arranged with the whitewashing mouth of multigroup downward gunite, multigroup described
Whitewashing mouth is laid in same level；Mouth of being whitewashed described in every group includes a whitewashing mouth or multiple uniform cloth from the inside to the outside
If whitewashing mouth；Each described whitewashing mouth is connected with the cement mortar conveyor chamber.
A kind of above-mentioned vertical cement mixing pile former, it is characterized in that：The Horizontal mixer structure is circular mixer
Structure, the diameter B of the circular rabbling mechanism is less than A, and the vertical spacing between the circular rabbling mechanism and horizontal drive bar is A
~1.5A；
The Horizontal mixer structure includes multiple along the circumferential direction uniform stirring vanes laid, multiple stirring vanes
Structure snd size all same and its be laid in same level；The bottom of each stirring vane is mounted on one group
The whitewashing mouth, each described stirring vane is hollow blade and its inner is fixedly mounted on vertical drive bar.
A kind of above-mentioned vertical cement mixing pile former, it is characterized in that：The agitator arm includes coaxial package in water
Circular ring and multiple stirring rod being along the circumferential direction uniformly laid on the outside of the circular ring on flat drive rod, Duo Gesuo
State the structure snd size all same of stirring rod；The circular ring is that cavity ring and its inner chamber connect with the cement mortar conveyor chamber
Logical, the stirring rod is the inner space of hollow bar and its inner chamber and the circular ring, and the outer end of each stirring rod is equal
It is provided with the gunniting hole of and its inner space；The annular installation installed for the circular ring is provided with the horizontal outer tube
Passage.
A kind of above-mentioned vertical cement mixing pile former, it is characterized in that：Described C=300mm~1500mm, A=
300mm~1500mm；
The bottom of the vertical drive bar is provided with the vertical space D of apex point, the agitator arm bottom and apex point bottom
=500mm~1000mm.
Meanwhile, the invention also discloses a kind of method and step is simple, reasonable in design and easy construction, construction quality are easy to control
The vertical cement mixing pile molding construction method of system, it is characterised in that the method is comprised the following steps：
Step one, preparation of construction：Behind smooth construction site, the stake position to constructed cement mixing pile carries out city's roads,
The vertical cement mixing pile former is moved at the stake position present position of cement mixing pile again, and makes vertical drive bar position
Directly over the stake position of cement mixing pile；
Step 2, cement mixing pile driving construction：Cement mixing pile is carried out using the vertical cement mixing pile former
Molding construction, process is as follows：
Step 201, lower brill are stirred and whitewashed：Starting the drive device drives vertical drive bar synchronous with horizontal drive bar
Rotation, and state is at the uniform velocity crept into straight down by controlling the steering of the drive device to be in the drive device；It is described
Vertical drive bar drives paddle described in two groups respectively at the uniform velocity straight down in drilling process by two horizontal drive bars
Wheel is synchronous vertically to be stirred；In the vertical whipping process of agitator arm described in two groups, by the continuous outwards jet cement of gunniting hole
Slurry；
Step 202, above carry and stir and whitewash：Drive vertical drive bar synchronous with horizontal drive bar by the drive device
Rotation, and state is at the uniform velocity lifted straight up by controlling the steering of the drive device to be in the drive device；It is described
Vertical drive bar drives paddle described in two groups respectively at the uniform velocity straight up in lifting process by two horizontal drive bars
Wheel is synchronous vertically to be stirred；In the vertical whipping process of agitator arm described in two groups, by the continuous outwards jet cement of gunniting hole
Slurry；
Step 203, step 201 to step 202 is repeated several times；
Step 204, pile body shaping：After institute's gunite solidifies in step 201, step 202 and step 203, obtain
Obtain the cement mixing pile of construction molding；
The pile body shape of cross section of the cement mixing pile is rectangle, the cross-section lengths of the cement mixing pile for C and
It is A that its is longitudinally wide.
The above method, it is characterized in that：The agitating device of vertical cement mixing pile former described in step one is also
Carry out the Horizontal mixer structure of level stirring including being driven by vertical drive bar, the Horizontal mixer structure in horizontal layout and its
It is coaxially mounted on vertical drive bar, the Horizontal mixer structure is located at agitator arm lower section described in two groups；The level stirring
Mechanism is hollow structure；The bottom of the Horizontal mixer structure is along the circumferential direction evenly arranged with multigroup downward gunite
Whitewashing mouth, multigroup whitewashing mouth is laid in same level；Mouth of being whitewashed described in every group includes a whitewashing mouth or many
The whitewashing mouth of individual laying uniform from the inside to the outside；Each described whitewashing mouth is connected with the cement mortar conveyor chamber；
The at the uniform velocity vertical drive described in drilling process neutralization procedure 202 straight down of vertical drive bar described in step 201
At the uniform velocity straight up in lifting process, the vertical drive bar drives the Horizontal mixer structure synchronously to carry out level and stirs bar
Mix；In the horizontal whipping process of Horizontal mixer structure, by the continuous gunite downwards of mouth of whitewashing.
The above method, it is characterized in that：Carried out in step 201 during lower brill stirs and whitewash, the vertical drive bar
Speed is drilled down into for 0.38m/min~0.75m/min；Above carried in step 202 during stirring and whitewashing, it is described vertical
The speed that is lifted up of drive rod is 0.38m/min~0.75m/min；
Carried out in step 201 during lower brill stirs and above carried in process neutralization procedure 202 of whitewashing and stir and whitewash,
Spray pressure is 0.5MPa~0.8MPa.
The above method, it is characterized in that：The vertical drive bar of vertical cement mixing pile former described in step one
Bottom is provided with apex point；
At the uniform velocity crept into straight down by controlling the steering of the drive device to be in the drive device in step 201
State, until when apex point upper end moves down to the stake bottom designed elevation of cement mixing pile, controlling the drive device to make vertical drive
Lever is stopped the rotation 20s~40s；During the vertical drive bar stops the rotation, by the continuous outwards jet cement of gunniting hole
Slurry；
At the uniform velocity lifted straight up by controlling the steering of the drive device to be in the drive device in step 202
State, until when apex point lower end moves upwardly into the design of pile top absolute altitude of cement mixing pile, controlling the drive device to make vertical drive
Lever is stopped the rotation 20s~30s；During the vertical drive bar stops the rotation, by the continuous outwards jet cement of gunniting hole
Slurry.
The present invention has advantages below compared with prior art：
1st, the former simple structure that is used, reasonable in design and input cost is low.
2nd, agitating device reasonable in design in the former for being used, vertical rabbling mechanism includes two vertical stirrings
Agitator arm, using the pile body rectangular cross-section of vertical agitating mode construction molding, and can effectively solve laterally stirring side
The problem that formula is present, makes the bearing capacity of single pile of cement mixing pile higher, and in formation of pile, the soil body is turned over up and down with cement mortar
Rolling stirring, due to there is Action of Gravity Field, what cement can be evenly with soil is mixed, and soil and cement mortar will not be produced during stirring
Liquid mixes uneven phenomenon, and cement content will not be produced at different depth on cement mixing pile pile body in whipping process not
Same phenomenon.
3rd, agitating device is additionally provided with Horizontal mixer structure in the former for being used, and is stirred with level using vertical stirring
The agitating mode being combined is mixed, in cement mixing pile formation of pile, is conducive to the lower brill of vertical cement mixing pile equipment to stir
Feeding, further improves efficiency of construction and pile quality.
4th, the diameter to Horizontal mixer structure is specifically limited, and is prevented from work progress vertical cement mixing pile
Bored under equipment in whipping process, cement grout is not stirred with the soil body between the agitator arm of horizontal drive bar both sides,
Advantageously stir feeding in the lower brill of vertical cement mixing pile equipment simultaneously.
5th, construction method is simple, reasonable in design and realizes that convenient, construction quality is easy to ensure, in cement mixing pile pile mistake
Cheng Zhong, the mixing direction of vertical cement mixing pile equipment is consistent with the direction that vertical drive bar and horizontal drive bar are moved up and down,
Vertical direction is, therefore, during boring stirring under vertical cement mixing pile equipment, the portion for constantly having stirred top
Divide and mixed with the part that bottom is not stirred, during stirring is lifted, part and top that continuous underground part has been stirred
The part do not stirred is mixed, so during entirely stirring up and down, the part stirred is total with the part do not stirred
Can sufficiently be merged, the cement content after pile in pile body evenly, is avoided that the water of cement mixing pile pile body occur
The uneven problem of mud layering.
In sum, reasonable in design, easy construction of the invention and using effect is good, in cement mixing pile formation of pile,
The lower brill of vertical cement mixing pile equipment is conducive to stir feeding, while the cement mixing pile pile body rectangular cross-section after pile,
Easy construction, and the cement mixing pile bearing capacity of single pile of construction molding is higher.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of vertical cement mixing pile former of the invention.
The right view of Fig. 2 Fig. 1.
Fig. 3 is the annexation schematic diagram of vertical drive bar and horizontal drive bar in the present invention.
Fig. 4 is the method flow block diagram when present invention carries out molding construction to vertical cement mixing pile.
Fig. 5 is that Construction State schematic diagram when lower brill is stirred and whitewashed is carried out using the present invention.
Fig. 6 is that Construction State schematic diagram when stirring and whitewashing above is carried using the present invention.
Fig. 7 is above to be carried stirring and being constructed during whitewashing to Construction State during stake top absolute altitude using the present invention illustrating
Figure.
Fig. 8 is the structural representation using institute's construction molding cement mixing pile of the present invention.
Description of reference numerals:
1-unit head；2-vertical drive bar；3-agitator arm；
4-vertical outer tube；5-horizontal drive bar；6-gunniting hole；
7-stirring vane；8-cement mixing pile；9-rotating seal ring；
10-apex point；11-1-horizontal bevel gear；11-2-vertical bevel gear；
12-horizontal outer tube；13-whitewashing mouth.
Specific embodiment
A kind of vertical cement mixing pile former as shown in Figure 1 and Figure 2, including in vertically to the vertical drive laid
Bar 2, driving vertical drive bar 2 continuously rotate and make drive device, the coaxial sleeve that vertical drive bar 2 is drilled down into and is lifted up
Mounted in the vertical outer tube 4 and the agitating device installed in the bottom of vertical drive bar 2 in the outside of vertical drive bar 2, the outer tube 4
It is connected with cement slurry pumping device；
The agitating device includes vertical rabbling mechanism, and the vertical rabbling mechanism can enter including two around its center axis
The horizontal drive bar 5 and two groups that continuously rotate go in symmetrical laying and the agitator arm 3 of vertically stirring is synchronously carried out, described in two
Horizontal drive bar 5 is symmetrically mounted on the bottom of vertical drive bar 2, two horizontal drive bars 5 in horizontal layout and the two be in
It is coaxial to lay；It is connected by transmission mechanism between each described horizontal drive bar 5 and vertical drive bar 2；Each
Agitator arm 3 described in one group is respectively arranged with the horizontal drive bar 5, agitator arm 3 described in every group includes an agitator arm 3
Or multiple, in parallel laying and the agitator arm 3 of structure snd size all same, each described agitator arm 3 is in vertically to laying
And its with the perpendicular laying of horizontal drive bar 5；The lateral length C of the vertical rabbling mechanism is straight not less than agitator arm 3
Footpath A；
Equal coaxial sleeve is equipped with a horizontal outer tube 12 on each described horizontal drive bar 5, under the vertical outer tube 4
Portion is provided with two mounting holes of the installation of flat outer tube 12 of supplying water respectively, connects inside the horizontal outer tube 12 and vertical outer tube 4
It is logical；Between cavity and horizontal drive bar 5 and horizontal outer tube 12 between the vertical outer tube 4 and vertical drive bar 2
Cavity is cement mortar conveyor chamber；Each described agitator arm 3 is hollow-core construction, the excircle of each agitator arm 3
On be provided with multiple gunniting holes 6 connected with the cement mortar conveyor chamber, multiple gunniting holes 6 be laid in it is same vertically
On face and it along the circumferential direction uniform is laid.
Wherein, the height of the vertical rabbling mechanism and longitudinally wide it is A.
When actually used, the vertical drive bar 2 is continuously rotated in the presence of the drive device around its center axis.
The vertical drive bar 2 is rigid drilling rod.
In the present embodiment, the transmission mechanism is gear drive.
When actually used, horizontal rotation can also can be converted into rotation vertically by the rotating mechanism using other types of
Transmission device.
As shown in figure 3, in the present embodiment, the gear drive include the horizontal bevel gear 11-1 for cooperating and
Vertical bevel gear 11-2, the horizontal bevel gear 11-1 coaxial packages are on vertical drive bar 2；The vertical bevel gear
The quantity of 11-2 is two, and two vertical bevel gear 11-2 difference coaxial packages are on two horizontal drive bars 5.
When actually used, after the vertical drive bar 2 rotates in the horizontal direction, the level on vertical drive bar 2 is sleeved on
Bevel gear 11-1 horizontally rotated together and driven two be engaged with horizontal bevel gear 11-1 it is described vertical
Bevel gear 11-2 is rotated vertically, while two vertical bevel gear 11-2 drive two horizontal drives respectively
Bar 5 is synchronous to be rotated vertically, it is achieved thereby that agitator arm 3 is vertically rotated.
When actually used, two horizontal drive bars 5 are located in same horizontal line, and two vertical bevel gears
The specification of 11-2 is identical, it is ensured that the vertical spinning movement of two horizontal drive bars 5 is synchronously carried out.
When actually used, the drive device is by hydraulic motor or motor-driven unit head 1.The unit head 1
Can be using the application for a patent for invention of Patent No. ZL201210026528.7《Long spire be squeezed into rock filling pile shaped device and
Forming method》Disclosed in unit head.
In actual use, the vertical cement mixing pile equipment is arranged on pile frame and carries out cement mixing pile 8 and construct,
The pile frame can be the pile frame of rotary rig, excavator, traditional cement mixing pile stake machine etc..
In the present embodiment, the type of the stirring vane 7 has various, preferred helical blades when actually used, due to stirring
Mix blade 7 to horizontally rotate, the helical blades are passed through in boring whipping process under the vertical cement mixing pile equipment
Screwfeed is converted rotational motion into, is conducive to lower boring to stir.
In the present embodiment, the drive device is fixedly mounted on the top of vertical outer tube 4, and the drive device is driven with vertical
Lever 2 is connected.
When actually used, can according to specific needs, the installation site to the drive device is adjusted accordingly.Also,
The drive device can also use other types of driving equipment.
In the present embodiment, outside impeller is positioned at outermost agitator arm 3 in agitator arm 3 described in every group, it is described
The lateral length C of agitating device is the level interval between two lateral walls of the outside impeller.
In the present embodiment, the agitator arm 3 includes circular ring of the coaxial package on horizontal drive bar 5 and multiple edges
Circumferencial direction is uniformly laid in the stirring rod on the outside of the circular ring, the structure snd size all same of multiple stirring rod；
The circular ring is that cavity ring and its inner chamber connect with the cement mortar conveyor chamber, and the stirring rod is hollow bar and its inner chamber
With the inner space of the circular ring, the outer end of each stirring rod is provided with the gunniting hole 6 of and its inner space；
The annular installation passage installed for the circular ring is provided with the horizontal outer tube 12.
As shown in Fig. 2 the part being located in the circular ring in horizontal outer tube 12 is inner ring body, the inner loop
Slurry intake channel is provided with body, the circular ring is connected by the slurry intake channel with the cement mortar conveyor chamber.
In the present embodiment, rotating seal ring 9 is provided between the circular ring and horizontal outer tube 12.
Described A=2a, wherein a are the outer end of the stirring rod to the spacing of the central axis of horizontal drive bar 5.
In the present embodiment, the multiple described agitator arm 3 in agitator arm 3 described in every group is in uniform laying.
In the present embodiment, the agitating device also includes driving the level for carrying out level stirring to stir by vertical drive bar 2
Mechanism, the Horizontal mixer structure in horizontal layout and its be coaxially mounted on vertical drive bar 2, Horizontal mixer structure position
In the lower section of agitator arm described in two groups 3；The Horizontal mixer structure is hollow structure；The bottom of the Horizontal mixer structure is along circle
Circumferential direction is evenly arranged with the whitewashing mouth 13 of multigroup downward gunite, and multigroup whitewashing mouth 13 is laid in same level
On face；Mouth 13 of being whitewashed described in every group includes the whitewashing mouth 13 that a whitewashing mouth 13 or multiple are uniformly laid from the inside to the outside；Each
The whitewashing mouth 13 is connected with the cement mortar conveyor chamber.
In the present embodiment, the Horizontal mixer structure includes multiple along the circumferential direction uniform stirring vanes 7 laid, multiple
The structure snd size all same of the stirring vane 7 and its be laid in same level；The bottom of each stirring vane 7
Portion is mounted on mouth 13 of being whitewashed described in a group, and each described stirring vane 7 is hollow blade and its inner is fixedly mounted on
On vertical drive bar 2.
In the present embodiment, the Horizontal mixer structure is circular rabbling mechanism, and the diameter B of the circular rabbling mechanism is less than
A, the vertical spacing between the circular rabbling mechanism and horizontal drive bar 5 is A~1.5A.
Also, the diameter B=2b of the circular rabbling mechanism, wherein b are the outward flange of stirring vane 7 to vertical drive bar
Level interval between 2 central axis.
Because the diameter B of the circular rabbling mechanism is less than A, so during lower brill stirring or lifting stirring, stir
Mix lateral extent length of the lateral extent length more than the stirring of the level of stirring vane 7 stirred after the vertical rotating of impeller 3.Also,
Stirring vane 7 is arranged on the bottom of horizontal drive bar 5, it is ensured that use the pile body section of the cement mixing pile 8 formed after construction
It is rectangle, and is prevented from lower brill whipping process, not by cement grout between the agitator arm 3 of the both sides of horizontal drive bar 5
It is stirred with the soil body, while advantageously stirring feeding in the lower brill of the vertical cement mixing pile equipment.
During practice of construction, the preferably described outward flange of stirring vane 7 to the level between the central axis of vertical drive bar 2
Spacing is equal to the level interval between the central axis of vertical drive bar 2 with the inward flange of the agitator arm 3, now institute
The construction effect for stating vertical cement mixing pile equipment is optimal, because stirring is bored under vertical cement mixing pile equipment or is lifted stirring
During mixing, the agitator arm 3 of the both sides of horizontal drive bar 5 vertically rotate after both sides the inward flange of agitator arm 3 between away from
The soil body in the range of is not stirred, and the lateral extent stirred after stirring vane 7 horizontally rotates is exactly equal to not stirred
The scope of the soil body mixed, makes the pile body cement of the cement mixing pile after pile 8 more uniformly mix with the soil body, improves cement mixing
The quality of stake 8.
In actual use, cement grout sprays into the soil body by gunniting hole 6 with whitewashing mouth 13, by the He of agitator arm 3
Cement grout and the soil body are carried out uniform stirring mixing by stirring vane 7, cement grout is formed cement mixing pile 8 after hardening.
In the present embodiment, the vertical outer tube 4 is shotcrete pipe with horizontal outer tube 12.
In the present embodiment, described C=300mm~1500mm, A=300mm~1500mm.
During practice of construction, can according to specific needs, the value size to C and A is adjusted accordingly.
In the present embodiment, the bottom of the vertical drive bar 2 is provided with apex point 10, is conducive to vertical cement mixing pile equipment
Lower brill in lower brill whipping process stirs feeding.
The bottom of the agitator arm 3 and the vertical space D=500mm~1000mm of the bottom of apex point 10, specifically paddle
The vertical distance of the lower edge of wheel 3 to the bottom of apex point 10 is 500mm~1000mm.
During practice of construction, can according to specific needs, the value size to D is adjusted accordingly.
When actually used, the cement slurry pumping device is communicated with agitator arm 3 with the inside of stirring vane 7, Neng Goubao
Card the continuous of cement grout in work progress supplies slurry.
In the present embodiment, rotating seal ring 9 is provided between the agitator arm 3 and the outer tube 4, prevented in cement
During slurries are for slurry, gap of the cement grout between agitator arm 3 and vertical outer tube 4 is overflowed, and cement grout is entered
Enter agitator arm 3 to impact, the quality of the pile body of construction molding cement mixing pile 8 is reduced, while increasing the pressure of pulp feeding system
Power, causes the waste of resource.
When actually used, the length of the cement mixing pile 8 is more than 10m, and the lower edge of agitator arm 3 is to the bottom of apex point 10
The vertical distance in portion is to be located at the lower edge of agitator arm 3 to the apex point in 500mm~1000mm, therefore cement mixing pile 8
The pile body section of the sections between 10 bottoms is circle, for whole cement mixing pile 8, to whole cement mixing pile 8
The influence of pile body section it is little, the pile body section of the cement mixing pile 8 formed after the completion of construction is still square-section.
During practice of construction, use construction molding of the present invention cement mixing pile 8 pile body sectional dimension for (300mm~
1500mm) × (300mm~1500mm), it is applied widely.
In the present embodiment, the vertical drive bar 2 is adjustable in length stock.
When actually used, because formation condition is different, according to actual conditions, the length of cement mixing pile 8 is different, vertical to drive
The length of lever 2 can be adjusted according to actual conditions, applied widely, and when actually used, vertical drive bar 2 can be segmented
Stock, the end of each sections stock can be by the threaded connection of setting, high-strength buckle or bolt connection.
A kind of vertical cement mixing pile molding construction method as shown in Figure 4, comprises the following steps：
Step one, preparation of construction：Behind smooth construction site, the stake position to constructed cement mixing pile 8 carries out city's roads,
The vertical cement mixing pile former is moved at the stake position present position of cement mixing pile 8 again, and makes vertical drive bar 2
Directly over the stake position of cement mixing pile 8；
Step 2, cement mixing pile driving construction：Cement mixing pile 8 is carried out using the vertical cement mixing pile former
Molding construction, process is as follows：
Step 201, lower brill are stirred and whitewashed：Starting the drive device drives vertical drive bar 2 same with horizontal drive bar 5
Step rotation, and state is at the uniform velocity crept into straight down by controlling the steering of the drive device to be in the drive device；Institute
Vertical drive bar 2 is stated at the uniform velocity straight down in drilling process, is driven respectively by two horizontal drive bars 5 and stirred described in two groups
Impeller 3 is mixed synchronously vertically to be stirred；In the vertical whipping process of agitator arm 3 described in two groups, by the continuous outwards spray of gunniting hole 6
Jetting mud, refers to Fig. 5；
Step 202, above carry and stir and whitewash：Drive vertical drive bar 2 same with horizontal drive bar 5 by the drive device
Step rotation, and state is at the uniform velocity lifted straight up by controlling the steering of the drive device to be in the drive device；Institute
Vertical drive bar 2 is stated at the uniform velocity straight up in lifting process, is driven respectively by two horizontal drive bars 5 and stirred described in two groups
Impeller 3 is mixed synchronously vertically to be stirred；In the vertical whipping process of agitator arm 3 described in two groups, by the continuous outwards spray of gunniting hole 6
Jetting mud, refers to Fig. 6 and Fig. 7；
Step 203, step 201 to step 202 is repeated several times；
Step 204, pile body shaping：After institute's gunite solidifies in step 201, step 202 and step 203, obtain
The cement mixing pile 8 of construction molding is obtained, Fig. 8 is referred to；
In the present embodiment, in step 203 at least twice repeat step 201 to step 202.
During practice of construction, can according to specific needs, the number of times to repeat step in step 203 201 to step 202 carries out phase
Should adjust.The cross-sectional area of the cement mixing pile 8 is bigger, and repeat step 201 to the number of times of step 202 is got in step 203
It is many.
The pile body shape of cross section of the cement mixing pile 8 is rectangle, and the cross-section lengths of the cement mixing pile 8 are C
And it is A that its is longitudinally wide.
During practice of construction, mixing direction and vertical drive bar 2 and the horizontal drive bar 5 of the vertical cement mixing pile equipment
Upper and lower direction is consistent, is vertical direction, therefore, in lower brill whipping process, the part for constantly having stirred top with
The part that bottom is not stirred is mixed, and during stirring is lifted, the part that continuous underground part has been stirred is not stirred with top
The part mixed is mixed, so during entirely stirring up and down, the part stirred can be filled with the part do not stirred
That divides is merged, and the cement content after pile in the pile body of cement mixing pile 8 evenly, is avoided that cement mixing pile 8 occur
The problem of the cement layering inequality of pile body.
During practice of construction, agitator arm 3 is vertically rotated, the pile body section after the pile of cement mixing pile 8 for square,
Make the bearing capacity of single pile of cement mixing pile 8 higher, due to single pile bearing capacity of pile=pile body surface area × soil body coefficient of friction, and into
Pile body after stake is flat column (tetragonal prism or square column long), under conditions of volume is equal, the table of the surface area ＞ cylinders of square column
Area, thus pile body for square column section cement mixing pile compared with the bearing capacity of single pile that pile body section is circular cement mixing pile more
It is high.
In the present embodiment, in formation of pile, the soil body and cement roll stirring up and down because there is Action of Gravity Field, cement and
Soil can be evenly mix,
In the present embodiment, because the agitating device of vertical cement mixing pile former described in step one also includes
Being driven by vertical drive bar 2 carries out the Horizontal mixer structure of level stirring, and the Horizontal mixer structure is in horizontal layout and its is same
Axle is arranged on vertical drive bar 2, and the Horizontal mixer structure is located at the lower section of agitator arm 3 described in two groups；The level stirring
Mechanism is hollow structure；The bottom of the Horizontal mixer structure is along the circumferential direction evenly arranged with multigroup downward gunite
Whitewashing mouth 13, multigroup whitewashing mouth 13 is laid in same level；Mouth 13 of being whitewashed described in every group includes a whitewashing
The whitewashing mouth 13 that mouth 13 or multiple are uniformly laid from the inside to the outside；Each described whitewashing mouth 13 connects with the cement mortar conveyor chamber
It is logical；
The at the uniform velocity vertical drive described in drilling process neutralization procedure 202 straight down of vertical drive bar described in step 201 2
At the uniform velocity straight up in lifting process, the vertical drive bar 2 drives the Horizontal mixer structure synchronously to carry out level and stirs bar 2
Mix；In the horizontal whipping process of Horizontal mixer structure, by the continuous gunite downwards of mouth 13 of whitewashing.
Carried out in the present embodiment, in step 201 during lower brill stirs and whitewash, the downward brill of the vertical drive bar 2
Enter speed for 0.38m/min~0.75m/min；Above carried in step 202 during stirring and whitewashing, the vertical drive bar
2 speed that is lifted up is 0.38m/min~0.75m/min；
Carried out in step 201 during lower brill stirs and above carried in process neutralization procedure 202 of whitewashing and stir and whitewash,
Spray pressure is 0.5MPa~0.8MPa.
During practice of construction, to being drilled down into speed, speed can be lifted up and spray pressure according to specific needs
Size is adjusted accordingly respectively.
In the present embodiment, the length of the cement mixing pile 8 is 10m~20m.
During practice of construction, the length of the cement mixing pile 8 is bigger, the vertical drive bar 2 be drilled down into speed with
It is lifted up speed faster, can according to specific needs, the speed that is drilled down into vertical drive bar 2 is carried out with speed is lifted up
Corresponding adjustment.
Above carried in the present embodiment, in step 202 during stirring and whitewashing, the upward of the vertical drive bar 2 carries
Lifting speed with carried out in step 201 lower brill stir and during whitewashing the vertical drive bar 2 to be drilled down into speed identical.
In the present embodiment, due to the bottom of vertical drive bar 2 of vertical cement mixing pile former described in step one
Portion is provided with apex point 10；
At the uniform velocity crept into straight down by controlling the steering of the drive device to be in the drive device in step 201
State, until when the upper end of apex point 10 moves down to the stake bottom designed elevation of cement mixing pile 8, controlling the drive device to make vertically
Drive rod 2 stops the rotation 20s~40s；During the vertical drive bar 2 stops the rotation, by the continuous outwards injection of gunniting hole 6
Cement mortar；
At the uniform velocity lifted straight up by controlling the steering of the drive device to be in the drive device in step 202
State, until when the lower end of apex point 10 moves upwardly into the design of pile top absolute altitude of cement mixing pile 8, controlling the drive device to make vertically
Drive rod 2 stops the rotation 20s~30s；During the vertical drive bar 2 stops the rotation, by the continuous outwards injection of gunniting hole 6
Cement mortar
Also, carried out in step 201 before lower brill stirs and whitewash, first by apex point 10 from top to bottom vertically drilling to the soil body
It is interior.
Carry out before lower brill stirs and whitewash, cement mortar first being passed through into vertical outer tube 4 in the present embodiment, in step 201,
Ensure in stirring vane 7 and agitator arm 3 into can whitewash in time behind stratum, and cement mortar slurries stabilization, it is ensured that construct
Into the pile quality of rear cement mixing pile 8.
In the present embodiment, during vertical drive bar described in step 201 2 is stopped the rotation, by gunniting hole 6 and whitewashing mouth
13 synchronous gunites；During vertical drive bar described in step 202 2 is stopped the rotation, by gunniting hole 6 and whitewashing mouth 13
Synchronous gunite.
Above being carried carry out in the process neutralization procedure 201 that stirs and whitewash in the present embodiment, in step 202 and lower bored stirring simultaneously
During whitewashing, spray pressure keeps constant.
During practice of construction, when the upper end of apex point 10 moves down to the stake bottom designed elevation of cement mixing pile 8 in step 201, control
Making the drive device makes vertical drive bar 2 stop the rotation 20s~40s, and continues whitewashing, it is therefore an objective to carries out mill stake and breaks, protects
Card 8 quality at end of cement mixing pile；The lower end of apex point 10 moves upwardly into the design of pile top absolute altitude of cement mixing pile 8 in step 202
When, control the drive device vertical drive bar 2 is stopped the rotation 20s~30s, and continue whitewashing, it is therefore an objective to be stirred in cement
Mix and carry out mill pile crown at the stake top of stake 8, it is ensured that the quality of the stake top of cement mixing pile 8.
During practice of construction, between using the ratio of mud of cement mortar for 0.45~0.55, proportion be 1.75g/ml~
1.86g/ml。
During practice of construction, sectional dimension according to the cement mixing pile 8 is different, adjust gunniting hole 6 spray pressure or
Person reduces the speed that vertical drive bar 2 is transferred and lifted, and the whitewashing amount of gunniting hole 6 is adjusted, to ensure construction molding cement mixing
The pile quality of stake 8.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and 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)
1. a kind of vertical cement mixing pile former, it is characterised in that：Including in vertically to lay vertical drive bar (2),
Vertical drive bar (2) is driven continuously to rotate and make drive device, coaxial sleeve that vertical drive bar (2) is drilled down into and is lifted up
Vertical outer tube (4) on the outside of vertical drive bar (2) and the agitating device installed in vertical drive bar (2) bottom, it is described
Outer tube (4) is connected with cement slurry pumping device；
The agitating device includes vertical rabbling mechanism, and the vertical rabbling mechanism can be connected including two around its center axis
Continue the horizontal drive bar (5) and two groups that rotate in the symmetrical agitator arm (3) laid and synchronously carry out vertically stirring, described in two
Horizontal drive bar (5) is symmetrically mounted on vertical drive bar (2) bottom, two horizontal drive bars (5) in horizontal layout and
The two is in coaxial laying；It is driven by transmission mechanism between each described horizontal drive bar (5) and vertical drive bar (2)
Connection；Agitator arm (3) described in one group are respectively arranged with each described horizontal drive bar (5), agitator arm (3) is wrapped described in every group
An agitator arm (3) or multiple are included in parallel laying and the agitator arm (3) of structure snd size all same, each described stirring
Impeller (3) in vertically to lay and its with horizontal drive bar (5) perpendicular laying；The transverse direction of the vertical rabbling mechanism is long
Diameter As of the degree C not less than agitator arm (3)；
Equal coaxial sleeve is equipped with a horizontal outer tube (12) on each described horizontal drive bar (5), the vertical outer tube (4)
Bottom is provided with two mounting holes of flat outer tube (12) installation of supplying water respectively, the horizontal outer tube (12) and vertical outer tube
(4) internal connection；Cavity and horizontal drive bar (5) and level between the vertical outer tube (4) and vertical drive bar (2)
Cavity between outer tube (12) is cement mortar conveyor chamber；Each described agitator arm (3) is hollow-core construction, described in each
Multiple gunniting holes (6) connected with the cement mortar conveyor chamber, multiple sprays are provided with the excircle of agitator arm (3)
Slurry hole (6) is laid on same vertical plane and its along the circumferential direction uniform laying.
2. according to a kind of vertical cement mixing pile former described in claim 1, it is characterised in that：The transmission mechanism is
Gear drive.
3. according to a kind of vertical cement mixing pile former described in claim 1 or 2, it is characterised in that：The stirring dress
To put also include and the Horizontal mixer structure for carrying out level stirring is driven by vertical drive bar (2), the Horizontal mixer structure is in level
Lay and it is coaxially mounted on vertical drive bar (2), the Horizontal mixer structure is located under agitator arm (3) described in two groups
Side；The Horizontal mixer structure is hollow structure；The bottom of the Horizontal mixer structure is along the circumferential direction evenly arranged with multigroup
The whitewashing mouth (13) of downward gunite, multigroup whitewashing mouth (13) is laid in same level；Sprayed described in every group
Slurry mouth (13) includes the whitewashing mouth (13) that whitewashing mouth (13) or multiple are uniformly laid from the inside to the outside；Each described whitewashing mouth
(13) connected with the cement mortar conveyor chamber.
4. according to a kind of vertical cement mixing pile former described in claim 3, it is characterised in that：The Horizontal mixer
Structure is circular rabbling mechanism, and the diameter B of the circular rabbling mechanism is less than A, the circular rabbling mechanism and horizontal drive bar (5)
Between vertical spacing be A~1.5A；
The Horizontal mixer structure includes multiple along the circumferential direction uniform stirring vanes (7) laid, multiple stirring vanes
(7) structure snd size all same and its be laid in same level；The bottom of each stirring vane (7) is respectively mounted
There is mouth (13) of being whitewashed described in a group, each described stirring vane (7) is hollow blade and its inner is fixedly mounted on vertically
On drive rod (2).
5. according to a kind of vertical cement mixing pile former described in claim 1 or 2, it is characterised in that：The paddle
Circular ring and multiple of the wheel (3) including coaxial package on horizontal drive bar (5) are along the circumferential direction uniformly laid in the circle
Stirring rod on the outside of the shape collar, the structure snd size all same of multiple stirring rod；The circular ring be cavity ring and its
Inner chamber connects with the cement mortar conveyor chamber, and the stirring rod is that hollow bar and its inner chamber connect with the inner chamber of the circular ring
Logical, the outer end of each stirring rod is provided with the gunniting hole (6) of and its inner space；On the horizontal outer tube (12)
It is provided with the annular installation passage installed for the circular ring.
6. according to a kind of vertical cement mixing pile former described in claim 1 or 2, it is characterised in that：Described C=
300mm~1500mm, A=300mm~1500mm；
The bottom of the vertical drive bar (2) is provided with apex point (10), agitator arm (3) bottom and apex point (10) bottom
Vertical space D=500mm~1000mm.
7. it is a kind of shaping is carried out to vertical cement mixing pile using vertically cement mixing pile former as claimed in claim 1 to apply
The method of work, it is characterised in that the method is comprised the following steps：
Step one, preparation of construction：Behind smooth construction site, the stake position to constructed cement mixing pile (8) carries out city's roads, then
The vertical cement mixing pile former is moved at the stake position present position of cement mixing pile (8), and makes vertical drive bar
(2) directly over the stake position of cement mixing pile (8)；
Step 2, cement mixing pile driving construction：Cement mixing pile (8) is carried out into using the vertical cement mixing pile former
Type is constructed, and process is as follows：
Step 201, lower brill are stirred and whitewashed：Starting the drive device drives vertical drive bar (2) same with horizontal drive bar (5)
Step rotation, and state is at the uniform velocity crept into straight down by controlling the steering of the drive device to be in the drive device；Institute
Vertical drive bar (2) is stated at the uniform velocity straight down in drilling process, two groups of institutes are driven respectively by two horizontal drive bars (5)
Agitator arm (3) is stated synchronously vertically to be stirred；In the vertical whipping process of agitator arm (3) described in two groups, by gunniting hole (6)
Continuous outwards gunite；
Step 202, above carry and stir and whitewash：Drive vertical drive bar (2) same with horizontal drive bar (5) by the drive device
Step rotation, and state is at the uniform velocity lifted straight up by controlling the steering of the drive device to be in the drive device；Institute
Vertical drive bar (2) is stated at the uniform velocity straight up in lifting process, two groups of institutes are driven respectively by two horizontal drive bars (5)
Agitator arm (3) is stated synchronously vertically to be stirred；In the vertical whipping process of agitator arm (3) described in two groups, by gunniting hole (6)
Continuous outwards gunite；
Step 203, step 201 to step 202 is repeated several times；
Step 204, pile body shaping：After institute's gunite solidifies in step 201, step 202 and step 203, applied
The cement mixing pile (8) of work shaping；
The pile body shape of cross section of the cement mixing pile (8) is rectangle, and the cross-section lengths of the cement mixing pile (8) are C
And it is A that its is longitudinally wide.
8. in accordance with the method for claim 7, it is characterised in that：Vertical cement mixing pile former described in step one
The agitating device also includes driving the Horizontal mixer structure for carrying out level stirring, the level stirring by vertical drive bar (2)
Mechanism in horizontal layout and its be coaxially mounted on vertical drive bar (2), the Horizontal mixer structure be located at two groups described in stir
Impeller (3) lower section；The Horizontal mixer structure is hollow structure；The bottom of the Horizontal mixer structure along the circumferential direction uniformly sets
The whitewashing mouth (13) of multigroup downward gunite is equipped with, multigroup whitewashing mouth (13) is laid in same level；Often
The group whitewashing mouth (13) includes the whitewashing mouth (13) that whitewashing mouth (13) or multiple are uniformly laid from the inside to the outside；Each institute
Whitewashing mouth (13) is stated to be connected with the cement mortar conveyor chamber；
Vertical drive bar described in step 201 (2) at the uniform velocity vertical drive bar described in drilling process neutralization procedure 202 straight down
(2) at the uniform velocity straight up in lifting process, the vertical drive bar (2) drives the Horizontal mixer structure synchronously to carry out level
Stirring；In the horizontal whipping process of Horizontal mixer structure, by the continuous gunite downwards of mouth of whitewashing (13).
9. according to the method described in claim 7 or 8, it is characterised in that：Lower brill is carried out in step 201 to stir and process of whitewashing
In, the speed that is drilled down into of the vertical drive bar (2) is 0.38m/min~0.75m/min；Above carried in step 202 and being stirred
During mixing and whitewashing, the speed that is lifted up of the vertical drive bar (2) is 0.38m/min~0.75m/min；
Carried out in step 201 during lower brill stirs and above carried in process neutralization procedure 202 of whitewashing and stir and whitewash, whitewashing
Pressure is 0.5MPa~0.8MPa.
10. according to the method described in claim 7 or 8, it is characterised in that：Vertical cement mixing forming pile sets described in step one
Standby vertical drive bar (2) bottom is provided with apex point (10)；
Shape is at the uniform velocity crept into straight down by controlling the steering of the drive device to be in the drive device in step 201
State, until when apex point (10) upper end moves down to the stake bottom designed elevation of cement mixing pile (8), controlling the drive device to make to hang down
Straight drive rod (2) stops the rotation 20s~40s；It is continuous by gunniting hole (6) during the vertical drive bar (2) is stopped the rotation
Outside gunite；
Shape is at the uniform velocity lifted straight up by controlling the steering of the drive device to be in the drive device in step 202
State, until when apex point (10) lower end moves upwardly into the design of pile top absolute altitude of cement mixing pile (8), controlling the drive device to make to hang down
Straight drive rod (2) stops the rotation 20s~30s；It is continuous by gunniting hole (6) during the vertical drive bar (2) is stopped the rotation
Outside gunite.
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| CN201710121249.1A CN106854871A (en) | 2017-03-02 | 2017-03-02 | A kind of vertical cement mixing pile former and molding construction method |
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| CN201710121249.1A CN106854871A (en) | 2017-03-02 | 2017-03-02 | A kind of vertical cement mixing pile former and molding construction method |
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| CN109331689A (en) * | 2018-09-30 | 2019-02-15 | 徐州市华圆机械厂 | A kind of mixing plant in paper production |
| CN110067255A (en) * | 2019-06-06 | 2019-07-30 | 上海智平基础工程有限公司 | The ultra-thin water stop curtain structure with ribbing of one kind and its construction method |
| CN110067254A (en) * | 2019-06-06 | 2019-07-30 | 上海智平基础工程有限公司 | A kind of drill bit of ultra-thin water-stop curtain with ribbing |
| CN110158583A (en) * | 2019-04-19 | 2019-08-23 | 铁三院(天津)工程有限公司 | Comprehensive rotary-cut mix (ARM) pile driving construction device and construction method |
| CN111705791A (en) * | 2020-06-19 | 2020-09-25 | 江苏鸿基水源科技股份有限公司 | Double-wheel three-dimensional digging pile forming device |
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| CN111705791A (en) * | 2020-06-19 | 2020-09-25 | 江苏鸿基水源科技股份有限公司 | Double-wheel three-dimensional digging pile forming device |
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Application publication date: 20170616 |
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