CN108999185A - High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine - Google Patents
High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine Download PDFInfo
- Publication number
- CN108999185A CN108999185A CN201810943278.0A CN201810943278A CN108999185A CN 108999185 A CN108999185 A CN 108999185A CN 201810943278 A CN201810943278 A CN 201810943278A CN 108999185 A CN108999185 A CN 108999185A
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- xuanjiao
- jing
- spray
- pressure rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 115
- 150000001875 compounds Chemical class 0.000 title claims abstract description 56
- 239000007921 spray Substances 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 claims abstract description 80
- 238000003756 stirring Methods 0.000 claims abstract description 70
- 238000005553 drilling Methods 0.000 claims abstract description 66
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 78
- 239000004568 cement Substances 0.000 description 49
- 239000002002 slurry Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 238000007569 slipcasting Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000843 powder Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003245 working effect Effects 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
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of high-pressure rotary-sprays of the realm of building construction with Jing Xuanjiao mechanism and compound strength stake all-in-one machine.High-pressure rotary-spray of the invention includes the first drilling rod with Jing Xuanjiao mechanism, drives the first power device of the first drilling rod rotation, the pressurizing device that the first drilling rod of driving is pressurized to construction surface, and be set to the agitating device of the first drill rod end；Agitating device includes several stirring blades positioned at the first drill rod end periphery, and high-pressure rotary-spray further includes several whirl spraying pipelines being set in the first drilling rod with Jing Xuanjiao mechanism, and is set to several high pressure nozzles of the first drilling rod peripheral part or stirring blade；High pressure nozzle is connected to whirl spraying pipeline.The present invention can be realized dry construction, stir with diameter.The invention further relates to a kind of compound strength stake all-in-one machines, and using compound strength stake all-in-one machine provided by the invention, bearing capacity of single pile is significantly improved, and solve the technical problem of insertion rigid pile difficulty, significantly reduce the requirement to construction site bearing capacity.
Description
Technical field
The present invention relates to the pile foundation construction tools of the building more demanding to bearing capacity of pile foundation such as high level, Super High, are related to
A kind of high-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine.
Background technique
Presently, there are various cement-soil composite piles, require multiple devices cooperation, low efficiency, peripheral cement earth pile with it is interior
Portion's rigid pile concentricity is insufficient, and construction quality not can guarantee.After the completion of cement earth pile construction, since technique limits, rigid pile is not
It can construct in time, will cause a series of problems, such as piling is difficult.
CN108316293A discloses a kind of cement soil deep stirring piling machine, and structure includes driver, drilling rod, spiral
Bracket, support rod, gunniting hole, locating tip；Wherein, driver is fixed on the top of drilling rod, and there is helical mount in the side of drilling rod, bores
The bottom end of bar connects with locating tip, and there is gunniting hole in drilling rod side；One end of the support rod connects with the side of drilling rod, support rod
The other end connect with helical mount；The helical mount includes universal joint, transmission shaft；It is provided with and stirs on the transmission shaft
Mix the wing；Drive motor built in driver, the lower end of the power output shaft of drive motor are connect with uppermost universal joint, and adjacent two
Pass through a transmission axis connection between a universal joint.The piling machine that the patent discloses can reduce energy consumption, and construction efficiency improves, nothing
It is noise, pollution-free, without friction, but this piling machine can not individually complete piling work.
CN108149689A discloses a kind of Pneumatic type mobile piling machine, and the piling machine includes being equipped on workbench
It drives piles mechanism, piling mechanism connection right side fixing piece, for fixing piece by hydraulic stem connection liquid cylinder pressure, hydraulic cylinder connects hydraulic fluid tank,
Pressurizing tank is installed on the right side of hydraulic fluid tank, forcing pipe is installed on pressurizing tank, forcing pipe is connected to piling mechanism by air pressure mouth
On top pillar, piston is installed in mechanism of driving piles, motor is installed below piston, motor connects transmission shaft, transmission by connector
Axis connection work head, workbench lower section are equipped with chassis, and chassis front and rear sides are equipped with idler wheel, and the vapour-pressure type which discloses is moved
Power driver can carry out the piling work of continuous high-efficient by piling mechanism in designated position to specified target, guarantee piling effect
Fruit and flexible mobile adjustment can be carried out by idler wheel, but also do not have the ability for individually completing piling work.
Therefore, it is urgent to provide a kind of pile machine equipment, drawbacks described above is made up.
Summary of the invention
One or more in solve above-mentioned technical problem, the present invention provide a kind of high-pressure rotary-spray with Jing Xuanjiao mechanism
And compound strength stake all-in-one machine.
The present invention provides a kind of high-pressure rotary-spray with Jing Xuanjiao mechanism, including the first drilling rod, drives the of the first drilling rod rotation
One power device, the pressurizing device that the first drilling rod of driving is pressurized to construction surface, and it is set to the agitating device of the first drill rod end；
Agitating device includes several stirring blades positioned at the first drill rod end periphery；High-pressure rotary-spray further includes setting with Jing Xuanjiao mechanism
In several whirl spraying pipelines in the first drilling rod, and it is set to several high pressure nozzles of the first drilling rod peripheral part or stirring blade；It is high
Pressure nozzle is connected to whirl spraying pipeline.
High-pressure rotary-spray provided by the invention has pressurizing device with Jing Xuanjiao mechanism, when driving the bit operation of the first drilling rod
It is pressurized in due course to construction surface, while being also equipped with several stirring blades positioned at the first drill rod end periphery as agitating device.
In the construction process, it can make to be sufficiently stirred between cement and soil by mechanical stirring, and then obtain cement earth pile, make
The soil body obtains a degree of stress release, and can be replaced simultaneously using cement powder to pile body soil and soil around pile.?
In drill bit lifting process, stirring blade has the function of certain back-pressure to soil cement, further increases the intensity of soil cement.
While stirring blade rotation, pressurizing device provides the ability of the powerful cutting original state soil body of stirring blade, into
One step improves the mixed effect of cement and soil, promotes the density and intensity of cement earth pile.
First power device of the present invention preferably uses heavy-duty motor, such as power to be greater than 150KW.
In several stirring blades the rotation diameter of the maximum blade of sphere of action preferably with the diameter phase of cement earth pile to be designed
Deng.It realizes dry construction, stirred with diameter, the quality of peripheral pile is effectively ensured, pile body soil around pile replacement rate is high.
The present invention provides several high pressure nozzles, to provide pneumatic stirring in due course while stirring and material is penetrated and cuts stirring, and
Required plurality of raw materials is conveyed to desired position.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
Step, the injection direction of high pressure nozzle are tangential direction when stirring blade rotates.
The rotation direction spraying of material for cooperating stirring blade, such as the rotation direction with stirring blade on the contrary, if having and stirring
The driving effect of stirring blade rotation is improved while mixing uniform；It is such as identical as the rotation direction of stirring blade 13, then have pair
The effect of the pre- pressure for not breaing up soil in stirring blade movement front, being capable of realization pneumatic stirring to the soil broken up.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
Step, the injection direction of high pressure nozzle are normal direction when stirring blade rotates.
Larger range of pneumatic stirring is provided and material is penetrated and cuts stirring, it can in the case where high pressure nozzle is located at stirring blade
To provide bigger stirring range, modified soil body physico-chemical property in larger scope discharges stress, increases pile holding intensity；And not
Influence stability when stirring blade rotation.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
Step, high pressure nozzle are rotatably arranged.
It has both or selects one and have above-mentioned three kinds of functions: the active position for not breaing up the pre- pressure of soil, the soil broken up
Pneumatic stirring active position is removable, soil body character property in larger scope；Facilitate and is adjusted in due course according to soil body situation
The injection direction of high pressure nozzle improves the popularity for being suitable for the soil body.
High pressure nozzle can remotely be controlled by computer Internet of Things, have powerful application prospect.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
It walks, a part is spraying high-pressure gas pipe in several high pressure nozzles.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
It walks, separately some is material high pressure nozzle in several high pressure nozzles.If dry material high pressure nozzle can realize multichannel when working
Various binding materials are injected to the soil body.
Second aspect, the present invention provide a kind of compound strength stake all-in-one machine, including being set to the twist bit mechanism of body, sinking
Pile driving construction mechanism and above-mentioned high-pressure rotary-spray are the same as Jing Xuanjiao mechanism.
Preferably, the compound strength stake all-in-one machine further includes being set to underpart and the chassis for being displaced body.
Organization's integration used in multiple techniques in piling process is integrated by compound strength stake all-in-one machine provided by the invention
Machine has good convenience and ease for operation, and provides to move to change station or move by movable chassis and change mechanism position,
The concentricity of peripheral pile and rigid pile is effectively ensured, it is easy for construction.Twist bit mechanism water intaking soil grouting behind shaft or drift lining speed of application is fast,
The lock pin of piling construction mechanism is high-efficient, and precision is high, shortens the interval time of working procedure, reduces and hold to construction site
Carry the requirement of power.
Further, the body of compound strength stake all-in-one machine provided by the invention is provided with hanging device.
Or further, compound strength stake all-in-one machine layout provided by the invention uses following examples: piling construction mechanism for
Static press device；High-pressure rotary-spray is located at a side region of body with Jing Xuanjiao mechanism, and twist bit mechanism is located at the other side of body
Region, piling construction mechanism are located at high-pressure rotary-spray with the region between Jing Xuanjiao mechanism and twist bit mechanism.
Or further, compound strength stake all-in-one machine layout provided by the invention uses another embodiment: piling construction mechanism for
Hammering device or vibration hammer device, piling construction mechanism are located at a side region of body；High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and spiral
Drilling machine mechanism is located at another side region of body.
In the various embodiments that the present invention provides stake machine, piling construction mechanism is located at the implementation of the central location of stake machine
Example, so that piling construction mechanism has better stability when working.
In the various embodiments of stake machine provided by the invention, further, twist bit mechanism includes the second drilling rod, driving
Second power device of the second drilling rod rotation, is set to the helical blade of the second drilling rod peripheral part, is set to inside the second drilling rod
Whitewashing pipeline, and be set to the injected hole of the second drill rod end, injected hole is connected to whitewashing pipeline.
In the various embodiments of stake machine provided by the invention, further, pressurizing device uses hydraulic pressurization mechanism.
It further include Internet of Things module, Internet of Things module packet further in the various embodiments of stake machine provided by the invention
High-pressure rotary-spray is included with Jing Xuanjiao mechanism monitoring module, twist bit mechanism monitoring module, piling construction mechanism monitoring module.
Internet of Things module acquire in real time and transmit Internet of Things module can real-time monitoring high-pressure rotary-spray with Jing Xuanjiao mechanism turn
Speed, fltting speed, verticality, capacity of spray coating etc., the grouting pressure of screw machine, all construction parameters such as flow rate of grouting, and will count
It is transferred to server when factually, can also monitor a series of Con trolling index such as pile driving pressure, verticality, embedded depth of rigid pile.
In conclusion can be realized dry construction with Jing Xuanjiao mechanism using high-pressure rotary-spray of the invention, being stirred with diameter, have
Effect guarantees the concentricity of peripheral pile and rigid pile, while can be realized that Soil-cement is uniform, and pile body soil around pile replacement rate is high
Effect.The construction method of the compound strength stake of the present invention is when implementing, outermost cement earth pile of constructing first, then uses spiral shell in its center
Drill hole of drilling machine is revolved to stake bottom designed elevation, and soil of fetching water injects high-mark cement slurry, solidification intensifier or fine aggregate simultaneously, finally
It is pressed into rigid pile again, since the injection of slurry greatly improves the bond stress of rigid pile no longer by the constraint of soil cement wall thickness,
Bearing capacity of single pile is significantly improved, and solves the technical problem of insertion rigid pile difficulty, greatly reduces to construction site
The requirement of bearing capacity.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is a kind of a kind of high-pressure rotary-spray of embodiment provided by the invention with Jing Xuanjiao mechanism and stake machine；
Fig. 2 is a kind of a kind of machine of embodiment provided by the invention；
The step of Fig. 3 is a kind of a kind of construction method of compound strength stake of embodiment provided by the invention one forms cement
The structural schematic diagram of native stake；
The step of Fig. 4 is a kind of a kind of construction method of compound strength stake of embodiment provided by the invention two forms cement
The structural schematic diagram of native composite pile；
What the step of Fig. 5 is a kind of a kind of construction method of compound strength stake of embodiment provided by the invention three was formed answers
Close the structural schematic diagram of strength stake；
What the step of Fig. 6 is a kind of a kind of construction method of compound strength stake of embodiment provided by the invention three was formed answers
Close the shaft section structural schematic diagram of strength stake；
Fig. 7 is a kind of construction method flow chart of a kind of compound strength stake of embodiment provided by the invention.
Wherein, high-pressure rotary-spray is with Jing Xuanjiao mechanism -10, the first drilling rod -11, the first power device -12, stirring blade -13,
Whirl spraying pipeline -14, pressurizing device -15, body -20, chassis -21, hanging device -22, twist bit mechanism -30, the second drilling rod -
31, the second power device -32, helical blade -33, injected hole -34, piling construction mechanism -40, pipeline -35 of whitewashing, soil cement
Stake -1, cement-soil composite pile -2, rigid pile -3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out to the technical solution in inventive embodiments clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, shall fall within the protection scope of the present invention.
In a first aspect, as shown in Figure 1 and Figure 2, the present invention provides a kind of high-pressure rotary-spray with Jing Xuanjiao mechanism, including first bores
Bar 11, the first power device 12 of driving the first drilling rod 11 rotation, the pressurizing device that the first drilling rod 11 of driving is pressurized to construction surface
15, and it is set to the agitating device of 11 end of the first drilling rod；Agitating device includes positioned at the several of 11 end periphery of the first drilling rod
Stirring blade 13；High-pressure rotary-spray further includes several whirl spraying pipelines 14 being set in the first drilling rod 11 with Jing Xuanjiao mechanism, and is set
It is placed in several high pressure nozzles of 11 peripheral part of the first drilling rod or stirring blade 13；High pressure nozzle is connected to whirl spraying pipeline 14.
Preferably, high-pressure rotary-spray provided by the invention has pressurizing device 15 with Jing Xuanjiao mechanism, drives the first drilling rod 11
Bit operation when be pressurized in due course to construction surface, while being also equipped with several stirring blades 13 positioned at 11 end periphery of the first drilling rod
As agitating device,
In the construction process, it can make to be sufficiently stirred between cement and soil by mechanical stirring, and then obtain cement earth pile, make
The soil body obtains a degree of stress release, and can be replaced simultaneously using cement powder to pile body soil and soil around pile.?
In drill bit lifting process, stirring blade 13 has the function of certain back-pressure to soil cement, further increases the intensity of soil cement.
While stirring blade 13 rotates, pressurizing device 15 provides the energy of the powerful cutting original state soil body of stirring blade 13
Power further increases the mixed effect of cement and soil, promotes the density and intensity of cement earth pile.
Preferably, the first power device 12 of the present invention preferably uses heavy-duty motor, such as power to be greater than 150KW.
The rotation diameter of the maximum blade of sphere of action is preferably equal with the diameter of cement earth pile to be designed in several stirring blades 13.It realizes
Dry construction is stirred with diameter, and the quality of peripheral pile is effectively ensured, and pile body soil around pile replacement rate is high.
The present invention provides several high pressure nozzles, to provide pneumatic stirring in due course while stirring and material is penetrated and cuts stirring, and
Required plurality of raw materials is conveyed to desired position.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
Step, the injection direction of high pressure nozzle are tangential direction when stirring blade 13 rotates.
Cooperate stirring blade 13 rotation direction spraying of material, such as the rotation direction with stirring blade 13 on the contrary, if having
The driving effect that stirring blade 13 rotates is improved while stirring evenly；It is such as identical as the rotation direction of stirring blade 13, then
Have the effect of the pre- pressure for not breaing up soil to the movement of stirring blade 13 front, it being capable of realization gas to the soil broken up
Dynamic stirring.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
Step, the injection direction of high pressure nozzle are normal direction when stirring blade 13 rotates.
Larger range of pneumatic stirring is provided and material is penetrated and cuts stirring, in the case where high pressure nozzle is located at stirring blade 13
Bigger stirring range can be provided, modified soil body physico-chemical property in larger scope discharges stress, increases pile holding intensity；And
Stability when stirring blade 13 rotates is not influenced.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
Step, high pressure nozzle are rotatably arranged.
It has both or selects one and have above-mentioned three kinds of functions: the active position for not breaing up the pre- pressure of soil, the soil broken up
Pneumatic stirring active position is removable, soil body character property in larger scope；Facilitate and is adjusted in due course according to soil body situation
The injection direction of high pressure nozzle improves the popularity for being suitable for the soil body.
High pressure nozzle can remotely be controlled by computer Internet of Things, have powerful application prospect.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
It walks, a part is spraying high-pressure gas pipe in several high pressure nozzles.
In various embodiments of the high-pressure rotary-spray provided by the invention for having high pressure nozzle with Jing Xuanjiao mechanism, into one
It walks, separately some is material high pressure nozzle in several high pressure nozzles.If dry material high pressure nozzle can realize multichannel when working
Various binding materials are injected to the soil body.
Second aspect, the present invention provide a kind of compound strength stake all-in-one machine, the twist bit mechanism including being set to body 20
30, piling construction mechanism 40 and above-mentioned high-pressure rotary-spray are the same as Jing Xuanjiao mechanism 10.
Preferably, the compound strength stake all-in-one machine further includes being set to 20 lower part of body and the chassis for being displaced body 20
21。
Organization's integration used in multiple techniques in piling process is integrated by compound strength stake all-in-one machine provided by the invention
Machine has good convenience and ease for operation, and changes station by the movable offer shifting of chassis 21 or move structure position of changing planes
It sets, the concentricity of peripheral pile and rigid pile is effectively ensured, it is easy for construction.The water intaking soil grouting behind shaft or drift lining construction speed of twist bit mechanism 30
Degree is fast, and the lock pin of piling construction mechanism 40 is high-efficient, and precision is high, shortens the interval time of working procedure, reduces to applying
Workshop bearing capacity requirement.
Further, the body 20 of compound strength stake all-in-one machine provided by the invention is provided with hanging device 22.
Or further, compound strength stake all-in-one machine layout provided by the invention uses following examples: piling construction mechanism 40
For static press device；High-pressure rotary-spray is located at a side region of body 20 with Jing Xuanjiao mechanism 10, and twist bit mechanism 30 is located at described
Another side region of body 20, piling construction mechanism 40 be located at high-pressure rotary-spray with Jing Xuanjiao mechanism 10 and twist bit mechanism 30 it
Between region.
Or further, compound strength stake all-in-one machine layout provided by the invention uses another embodiment: piling construction mechanism 40
For hammering device or vibration hammer device, piling construction mechanism 40 is located at a side region of body 20；High-pressure rotary-spray is the same as Jing Xuanjiao mechanism
10 are located at another side region of body 20 with twist bit mechanism 30.
In the various embodiments that the present invention provides stake machine, piling construction mechanism 40 is located at the implementation of the central location of stake machine
Example, so that piling construction mechanism 40 has better stability when working.
In the various embodiments of stake machine provided by the invention, further, twist bit mechanism 30 includes the second drilling rod 31,
The second power device 32 for driving the second drilling rod 31 to rotate, is set to the helical blade 33 of 31 peripheral part of the second drilling rod, is set to
Whitewashing pipeline 35 inside second drilling rod 31, and it is set to the injected hole 34 of 31 end of the second drilling rod, injected hole 34 and shotcrete pipe
Road 35 is connected to.
In the various embodiments of stake machine provided by the invention, further, pressurizing device uses hydraulic pressurization mechanism.
It further include Internet of Things module, Internet of Things module packet further in the various embodiments of stake machine provided by the invention
High-pressure rotary-spray is included with Jing Xuanjiao mechanism monitoring module, twist bit mechanism monitoring module, piling construction mechanism monitoring module.
Internet of Things module acquire in real time and transmit Internet of Things module can real-time monitoring high-pressure rotary-spray with Jing Xuanjiao mechanism turn
Speed, fltting speed, verticality, capacity of spray coating etc., the grouting pressure of screw machine, all construction parameters such as flow rate of grouting, and will count
It is transferred to server when factually, can also monitor a series of Con trolling index such as pile driving pressure, verticality, embedded depth of rigid pile.
It is noted that conception according to the present invention, it can also improve and a kind of high-pressure rotary-spray is provided and stir machine with diameter rotation
Structure, including the first drilling rod 11, the first power device 12 of driving the first drilling rod 11 rotation, the first drilling rod 11 of driving increase to construction surface
The pressurizing device 15 of pressure；High-pressure rotary-spray further includes several whirl spraying pipelines 14 being set in the first drilling rod 11 with Jing Xuanjiao mechanism,
And it is set to several high pressure nozzles of 11 peripheral part of the first drilling rod；High pressure nozzle is connected to whirl spraying pipeline 14.Other supplementary technologies
Feature as described above, blade 13 i.e. without mixing technical solution, it should also within protection scope of the present invention.
The third aspect, as shown in Fig. 3,4,5,6,7, the present invention provides a kind of construction method of compound strength stake, including as follows
Step:
Step 1 stirs the soil in Agitated vessel preset range using rotation, obtains cement earth pile 1；
Step 2 carries out cement earth pile 1 using twist bit to take hole slip casting, forms cement-soil composite pile 2；
Several rigid piles 3 are pressed into cement-soil composite pile 2 using pile-sinking machine, obtain compound strength stake by step 3.
The construction method of compound strength stake provided by the invention, makes the soil body obtain a degree of answer by the stirring of step 1
Power release.
It takes hole slip casting to improve peripheral soil cement to the bond stress of rigid pile 3 for great in step 2, and is greatly lowered
Subsequent rigid pile 3 is pressed into end resistance and collateral resistance when cement-soil composite pile 2, and extrusion stress is released effectively, and pile driving pressure is big
Amplitude reduction.
The core stake of step 3 is lateral squeezed to the slurry at soil cement center, so that soil body circle of the slurry to soil cement direction
Face is squeezed and infiltration, the formation unconspicuous squeezed interface in line of demarcation, the squeezed interface can exceed soil cement and native bounds,
So that soil cement and the binding force at soil around pile interface further increase, the bearing capacity of compound strength stake is greatly improved.
In step 1, while the soil in Agitated vessel preset range is stirred in rotation, preferably powder or slurry are sprayed into simultaneously simultaneously
It stirs evenly.It sprays into powder or slurry to be determined according to the property of the soil body, to improve soil mass property, improves peripheral soil cement to rigid
The bond stress of property stake 3.
The construction method of compound strength stake provided by the invention, it is preferable that in step 1, the diameter of cement earth pile is 800-
2000mm。
The construction method of compound strength stake provided by the invention, it is preferable that in step 1,90 days nothings of the cement earth pile
Confined compressive strength >=2.0Mpa.
The construction method of compound strength stake provided by the invention, it is preferable that in step 2, the twist bit takes the bore dia to be
200mm-800mm。
The construction method of compound strength stake provided by the invention, it is preferable that in step 2, the twist bit is in soil cement
The location mid-shaft of stake carries out taking hole slip casting.
The construction method of compound strength stake provided by the invention, it is preferable that described when taking hole slip casting in step 2, injection slurry
The ratio of mud of material is 0.8-1.2, grouting pressure >=15Mpa.
The construction method of compound strength stake provided by the invention, it is preferable that in step 2, the slurry that the slip casting uses is selected
One of combination or a variety of mixing below: high-mark cement slurry, cement mortar, solidification intensifier, fine aggregate.
The construction method of compound strength stake provided by the invention, it is preferable that described that slip casting use in hole is taken to take cement in step 2
Native slip casting, taking out cement earth material and injection slurry volume than replacement rate is 20%-80%.Using long spire water intaking soil, significantly
The pile driving pressure for reducing piling process in step 3, reduces quick-fried stake risk.
The construction method of compound strength stake provided by the invention, it is preferable that in step 3, diameter >=400mm of rigid pile.
Using construction method provided by the invention, the strong rigid pile of high-strength or superelevation more than or equal to 400mm can be matched
The high bond stress of inner core and outer core and the high friction bearing capacity in soil around pile interface；Spiral fetches water soil slip casting in rigid pile 3
Pile driving pressure can be effectively reduced during piling, machine counterweight is greatly reduced, bearing capacity of single pile significantly increases, and working efficiency mentions
It is high；If rigid pile 3 is cavity, end uses steel plate sealing of hole, avoids soil plug effect.
The construction method of compound strength stake provided by the invention, it is preferable that in step 3, the distributed areas position of the rigid pile
The twist bit described in step 2 take the inside in the region of hole slip casting.When spiral water intaking soil bore diameter >=rigid pile
When 3 diameter, the binding material injected afterwards significantly increases the bond stress between rigid pile 3 and former cement earth pile 1, and bearing capacity is big
Amplitude improves, and then realizes rigid decrease progressively, avoids rigid pile 3 with former cement earth pile 1 and directly contacts the defect generated, soil cement
1, deformation big with the elasticity modulus gap of rigid pile 3 of stake, generates therebetween sliding, pile foundation is caused to destroy.
The construction method of compound strength stake provided by the invention, it is preferable that in step 3, the cross section face of the rigid pile 3
Product is greater than the zone cross-sectional area that twist bit described in step 2 take hole slip casting.
When spiral fetches water soil bore diameter < 3 diameter of rigid pile, pass through the indentation and squeezed, rear injection of rigid pile 3
Binding material extended out along water intaking soil contacting permeation, the practical interface formed at this time has exceeded former cement earth pile 1 and soil
Bounds, so that the bearing capacity of single pile of compound strength stake is greatly improved；
The construction method of compound strength stake provided by the invention, it is preferable that in step 3, the quantity of the rigid pile is one
It is a.
The construction method of compound strength stake provided by the invention, it is preferable that in step 3, the rigid pile is high-strength prestressed
Concrete tubular pile, tube-form prestressed super high strength concrete pile, prestressed concrete square pile or steel-pipe pile.
In the various embodiments of compound strength pile construction method provided by the invention, it is preferable that Xuan Jiao mechanism is using the present invention
The high-pressure rotary-spray of aforementioned offer has preferably stirring and modified effect with Jing Xuanjiao mechanism.Twist bit is mentioned using the present invention
The twist bit mechanism 30 of the stake machine of confession has the characteristics of work efficiency is high, good concentricity.The pile sinking principles of action are provided using the present invention
Stake machine piling construction mechanism 40, have working effect high, good concentricity.
In the construction method of compound strength stake provided by the invention, it is preferable that in step 1, the Xuan Jiao mechanism includes first
Drilling rod 11, the first power device 12 for driving first drilling rod 11 to rotate, what the first drilling rod 11 of driving was pressurized to construction surface adds
Pressure device 15, and it is set to the agitating device of 11 end of the first drilling rod；Agitating device includes being located at 11 end of the first drilling rod
Several stirring blades 13 of periphery；
The Xuan Jiao mechanism further includes several whirl spraying pipelines 14 being set in the first drilling rod 11, and is set to the first drilling rod
Several high-pressure injection pipes of 11 peripheral parts or stirring blade 13；High-pressure injection pipe is connected to whirl spraying pipeline 14.
The stirring blade 13 of Xuan Jiao mechanism carries out mechanical stirring to the pile body soil body, while binding material being made to carry out high-pressure pneumatic
Stirring or powder high-pressure jet tangentially stir, so that pile body soil cement is more uniform.
Further, a part is spraying high-pressure gas pipe in several high-pressure injection pipes, in several high-pressure injection pipes
Separately some is material high-pressure injection pipe.When using aforementioned Xuan Jiao mechanism, rotation is stirred in Agitated vessel preset range in step 1
Soil when, dirt bed of the spraying high-pressure gas pipe into preset range sprays high pressure gas；An at least material high-pressure injection pipe
Dirt bed injection powder or slurry into preset range.Further, one of powder or the following combination of slurry selection or
It is a variety of: cement, mortar, solidification intensifier.
The construction method of compound strength stake provided by the invention, it is preferable that the twist bit includes the second drilling rod, driving the
Second power device 32 of two drilling rods 31 rotation, is set to the helical blade 33 of 31 peripheral part of the second drilling rod, is set to the second brill
Whitewashing pipeline 35 inside bar 31, and it is set to the injected hole 34 of 31 end of the second drilling rod, injected hole 34 and whitewashing pipeline 35 connect
It is logical.It is convenient to work when being constructed using twist bit, and twist bit water intaking soil grouting behind shaft or drift lining speed of application is fast.
The construction method of compound strength stake provided by the invention, it is preferable that the pile-sinking machine be static press device, hammering device,
Or vibration hammer device.
In conclusion can be realized dry construction with Jing Xuanjiao mechanism using high-pressure rotary-spray of the invention, being stirred with diameter, have
Effect guarantees the concentricity of peripheral pile and rigid pile, while can be realized that Soil-cement is uniform, and pile body soil around pile replacement rate is high
Effect.The construction method of the compound strength stake of the present invention is when implementing, outermost cement earth pile of constructing first, then uses spiral shell in its center
Drill hole of drilling machine is revolved to stake bottom designed elevation, and soil of fetching water injects high-mark cement slurry, solidification intensifier or fine aggregate simultaneously, finally
It is pressed into rigid pile again, due to the injection of slurry, significantly improves the bond stress of rigid pile, no longer by the constraint of soil cement wall thickness,
Bearing capacity of single pile is significantly improved, and solves the technical problem of insertion rigid pile difficulty, greatly reduces to construction site
The requirement of bearing capacity.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (14)
1. a kind of high-pressure rotary-spray is the same as Jing Xuanjiao mechanism, which is characterized in that including
First drilling rod (11),
The first power device (12) of the first drilling rod (11) rotation is driven,
The pressurizing device (15) for driving first drilling rod (11) to be pressurized to construction surface, and
It is set to the agitating device of the first drilling rod (11) end；
Wherein, the agitating device includes several stirring blades (13) positioned at the first drilling rod (11) end periphery；
The high-pressure rotary-spray further includes several whirl spraying pipelines (14) being set in first drilling rod (11) with Jing Xuanjiao mechanism
And it is set to several high pressure nozzles of the first drilling rod (11) peripheral part or stirring blade (13)；The high pressure nozzle with it is described
Whirl spraying pipeline (14) connection.
2. high-pressure rotary-spray according to claim 1 is the same as Jing Xuanjiao mechanism, which is characterized in that the high pressure nozzle is rotatably set
It sets.
3. high-pressure rotary-spray according to claim 1 is the same as Jing Xuanjiao mechanism, which is characterized in that the injection side of the high pressure nozzle
To the tangential direction or normal direction when being rotated for the stirring blade (13).
4. high-pressure rotary-spray according to claim 1 is the same as Jing Xuanjiao mechanism, which is characterized in that one in several high pressure nozzles
Part is high pressure gas nozzle.
5. high-pressure rotary-spray according to claim 1 is the same as Jing Xuanjiao mechanism, which is characterized in that one in several high pressure nozzles
Part is high-pressure material nozzle.
6. high-pressure rotary-spray according to claim 1 is the same as Jing Xuanjiao mechanism, which is characterized in that the pressurizing device (15) uses
Hydraulic pressurization mechanism.
7. a kind of compound strength stake all-in-one machine, which is characterized in that including body (20), be set to the twist bit mechanism of body (20)
(30), piling construction mechanism (40) and such as high-pressure rotary-spray as claimed in any one of claims 1 to 6 are the same as Jing Xuanjiao mechanism (10).
8. compound strength stake all-in-one machine according to claim 7, which is characterized in that the compound strength stake all-in-one machine further includes setting
It is placed in the body (20) lower part and the chassis (21) for being displaced the body.
9. compound strength stake all-in-one machine according to claim 7, which is characterized in that the body (20) is provided with hanging device
(22)。
10. compound strength stake all-in-one machine according to claim 7, which is characterized in that
The piling construction mechanism (40) is static press device；
The high-pressure rotary-spray is located at a side region of the body (20), the twist bit mechanism with Jing Xuanjiao mechanism (10)
(30) it is located at another side region of the body (20), the piling construction mechanism (40) is located at the high-pressure rotary-spray and stirs with diameter rotation
Region between mechanism (10) and twist bit mechanism (30).
11. compound strength stake all-in-one machine according to claim 7, which is characterized in that
The piling construction mechanism (40) be hammering device or vibration hammer device,
The piling construction mechanism (40) is located at a side region of body (20),
The high-pressure rotary-spray is located at the another of the body (20) with Jing Xuanjiao mechanism (10) and the twist bit mechanism (30)
Side region.
12. compound strength stake all-in-one machine according to claim 7, which is characterized in that the twist bit mechanism (30) includes
Second drilling rod (31) drives the second power device (32) of the second drilling rod (31) rotation, is set to second drilling rod
(31) helical blade (33) of peripheral part is set to the internal whitewashing pipeline (35) of second drilling rod (31), and is set to institute
The injected hole (34) of the second drilling rod (31) end is stated, the injected hole (34) is connected to the whitewashing pipeline (35).
13. compound strength stake all-in-one machine according to claim 7, which is characterized in that the all-in-one machine further includes Internet of Things mould
Block.
14. compound strength stake all-in-one machine according to claim 13, which is characterized in that the Internet of Things module includes high pressure rotation
Spray is the same as Jing Xuanjiao mechanism monitoring module, twist bit mechanism monitoring module, piling construction mechanism monitoring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943278.0A CN108999185A (en) | 2018-08-17 | 2018-08-17 | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943278.0A CN108999185A (en) | 2018-08-17 | 2018-08-17 | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108999185A true CN108999185A (en) | 2018-12-14 |
Family
ID=64593698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810943278.0A Pending CN108999185A (en) | 2018-08-17 | 2018-08-17 | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374097A (en) * | 2019-07-26 | 2019-10-25 | 北京中岩大地科技股份有限公司 | The construction method for improving bearing capacity of pile foundation is stirred based on major diameter |
| CN113863706A (en) * | 2021-09-14 | 2021-12-31 | 建研地基基础工程有限责任公司 | Construction method and application device of low-clearance lower jet grouting static pressure composite pile of existing building |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004137722A (en) * | 2002-10-16 | 2004-05-13 | Ryoji Kobayashi | Drill/stir bit of underground pile formation and ground improvement method making use thereof |
| CN201050063Y (en) * | 2007-04-12 | 2008-04-23 | 武汉市天宝工程机械有限责任公司 | Multifunctional pile machine |
| CN201212147Y (en) * | 2008-06-23 | 2009-03-25 | 何世鸣 | Combination drill tool for long screwy jet grouting and stirring pile |
| US20090274522A1 (en) * | 2007-01-08 | 2009-11-05 | Lei Yuhua | Piling machine with high-pressure jet spiral bit and its piling method |
| CN101962949A (en) * | 2009-07-23 | 2011-02-02 | 北京中岩大地工程技术有限公司 | Long spiral double-pipe high-pressure stir-jet grouting pile construction method and device |
| CN202039369U (en) * | 2011-04-15 | 2011-11-16 | 山东鑫国重机科技有限公司 | Multifunctional pilling machine for jet grouting pile sinking |
| CN102561349A (en) * | 2012-02-09 | 2012-07-11 | 安徽力达实业股份有限公司 | Multifunctional static pile press |
| CN106223331A (en) * | 2016-09-06 | 2016-12-14 | 王继忠 | A kind of creep into injection vibrate stirring construction equipment and the construction method of foundation |
| CN208949875U (en) * | 2018-08-17 | 2019-06-07 | 江苏劲桩基础工程有限公司 | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine |
-
2018
- 2018-08-17 CN CN201810943278.0A patent/CN108999185A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004137722A (en) * | 2002-10-16 | 2004-05-13 | Ryoji Kobayashi | Drill/stir bit of underground pile formation and ground improvement method making use thereof |
| US20090274522A1 (en) * | 2007-01-08 | 2009-11-05 | Lei Yuhua | Piling machine with high-pressure jet spiral bit and its piling method |
| CN201050063Y (en) * | 2007-04-12 | 2008-04-23 | 武汉市天宝工程机械有限责任公司 | Multifunctional pile machine |
| CN201212147Y (en) * | 2008-06-23 | 2009-03-25 | 何世鸣 | Combination drill tool for long screwy jet grouting and stirring pile |
| CN101962949A (en) * | 2009-07-23 | 2011-02-02 | 北京中岩大地工程技术有限公司 | Long spiral double-pipe high-pressure stir-jet grouting pile construction method and device |
| CN202039369U (en) * | 2011-04-15 | 2011-11-16 | 山东鑫国重机科技有限公司 | Multifunctional pilling machine for jet grouting pile sinking |
| CN102561349A (en) * | 2012-02-09 | 2012-07-11 | 安徽力达实业股份有限公司 | Multifunctional static pile press |
| CN106223331A (en) * | 2016-09-06 | 2016-12-14 | 王继忠 | A kind of creep into injection vibrate stirring construction equipment and the construction method of foundation |
| CN208949875U (en) * | 2018-08-17 | 2019-06-07 | 江苏劲桩基础工程有限公司 | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine |
Non-Patent Citations (1)
| Title |
|---|
| 张留俊等: "《公路地基处理技术》", 人民交通出版社, pages: 153 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374097A (en) * | 2019-07-26 | 2019-10-25 | 北京中岩大地科技股份有限公司 | The construction method for improving bearing capacity of pile foundation is stirred based on major diameter |
| CN113863706A (en) * | 2021-09-14 | 2021-12-31 | 建研地基基础工程有限责任公司 | Construction method and application device of low-clearance lower jet grouting static pressure composite pile of existing building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104988910B (en) | Reducing rotating spraying mixture pile | |
| CN201212147Y (en) | Combination drill tool for long screwy jet grouting and stirring pile | |
| CN106996105B (en) | Down-the-hole impact jet grouting stirring pile construction technology and equipment | |
| CN203452083U (en) | Rotary expanding pile construction equipment and grout feeding device | |
| KR101421173B1 (en) | Drill Stirrer for the Hard Soil Layers | |
| CN108729440B (en) | Spiral high-spraying wing-expanding stirring bottom-expanding stiffness composite pile, construction method thereof and drilling machine | |
| CN101314945A (en) | High-pressure rotary-spray enlarged head pre-stress pipe pile and combination method thereof | |
| CN108999185A (en) | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine | |
| CN107338790B (en) | Construction method of rotary spraying stirring composite pile | |
| CN106400791A (en) | Mechanical equipment for manufacturing locking combinational herringbone piles | |
| CN106400790A (en) | Mechanical equipment for manufacturing buckling combinational herringbone piles | |
| CN208949875U (en) | High-pressure rotary-spray is the same as Jing Xuanjiao mechanism and compound strength stake all-in-one machine | |
| CN110206030A (en) | Squeeze spray reaming cast-with-pressure concrete pile and its construction method and drilling machine | |
| CN106854871A (en) | A kind of vertical cement mixing pile former and molding construction method | |
| CN113846632A (en) | Soil-squeezing pile construction method for reinforcing part of bearing layer | |
| CN108978641A (en) | The construction method of compound strength stake | |
| CN112982387A (en) | High-pressure grouting device for cement mixing pile construction | |
| CN107044120A (en) | A kind of major diameter ultra deep stirs spray stiff composite pile and its construction method | |
| CN201288325Y (en) | High voltage rotary spraying enlarged footing pre-stress pipe pile | |
| CN206554079U (en) | A kind of vertical cement mixing pile former | |
| CN215801584U (en) | Novel pressure injection pile for spray-expanded frustum | |
| JP3626972B1 (en) | Jet stirring method and jet stirring device | |
| CN115354653A (en) | Construction method for weakening or eliminating soil squeezing stress of tubular pile | |
| CN212835345U (en) | Cutting grouting stirring device | |
| CN210507428U (en) | Double-shaft stirring drill bit capable of realizing bidirectional stirring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |