CN110485422A - Pile pulling device and its pile-pulling construction method - Google Patents
Pile pulling device and its pile-pulling construction method Download PDFInfo
- Publication number
- CN110485422A CN110485422A CN201910812221.1A CN201910812221A CN110485422A CN 110485422 A CN110485422 A CN 110485422A CN 201910812221 A CN201910812221 A CN 201910812221A CN 110485422 A CN110485422 A CN 110485422A
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- China
- Prior art keywords
- waste
- pile
- bushing type
- stake
- old stake
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
Abstract
The invention discloses a kind of pile pulling device and its pile-pulling construction methods, including the full-sleeve being connect with the power head of assembly power perforating piling machine, the bottom end of full-sleeve is fixed with bushing type pile extractor, bushing type pile extractor is equipped with multiple groups and is driven from oil cylinder and can constitute multiple dogs to waste and old stake bottom end axial direction pop-up or the waste and old stake of cutting to tube hub protrusion, dog inner surface has several carbide buttons, and oil cylinder is connect through solenoid valve and oil pipe with the oil pump and fuel tank being set on assembly power perforating piling machine；There are multiple high-pressure water nozzles in bushing type pile extractor bottom end, and high-pressure water nozzle is connect through solenoid valve and high-pressure water pipe with being set on assembly power perforating piling machine and be connected with the water pump at water source；The range sensor of elongation under detection piston rod is additionally provided on oil cylinder, Distance-sensing is electrically connected with the controller.Pillar is accurate to revealing all the details for waste and old stake, reliable, and construction noise is small, and waste and old stake, time saving and energy saving, short construction period, construction efficiency height are extracted or extracted after cutting off in disposable rotation.
Description
Technical field
It is especially a kind of pile pulling device and its pile-pulling construction method the present invention relates to waste and old stake Removal Technology field.
Background technique
With the popularity of enlargement of cities improvement project and the rise of Construction of Urban Rail Traffic, last century such as eight, nine
The cleaning for the waste and old stake that the ten's building is left after being disassembled, which has become new skyscraper and urban track traffic, to be faced
The technical issues of.Generally face two kinds of situations: first is that waste and old stake is no more than 30 meters, disposable extraction.Although another is useless
Old stake is very long such as 60 meters, but meets the needs of urban rail transit construction, as long as pulling out 30 meters or more of part.It generally adopts at present
Method is using hammering, rotary digging or twists off the destructive means such as old pile foundation, destroys after waste and old pile body to clear up again and leaves hole, takes
When it is laborious, long construction period, construction efficiency is low, construction noise is big；Or isostructural fixture is controlled using spring using full-sleeve,
It is clamped on the outer diameter of waste and old stake, then pulls up after going deep into certain depth, but its clamping degree is difficult to control in practical operation,
The waste and old stake of pinch off has been not achieved the purpose of whole waste and old stake or not clamping and can not extract waste and old stake；Or utilize a full set
Pipe sets multiple groups cutting assembly in full-sleeve, gos deep into after certain depth first being cut waste and old stake with cutting assembly, then by the steel of crane
Cord, which is manually fixed in section stake, hangs out ground for waste and old stake, and this method tool wear is big, and process is more, and worker operation is tired
Difficulty, construction efficiency is low, and construction speed is slow.According to the applicant understood, comparatively ideal waste and old stake pile pulling device and method be there is no at present.
Summary of the invention
The invention solves a technical problem be to provide it is a kind of can disposably pull out one whole waste and old stake pile pulling dress
It sets.
A kind of technical solution of the invention is to provide a kind of pile pulling device, including with assembly power perforating piling machine
The full-sleeve of power head connection, the bottom end of the full-sleeve are fixed with bushing type pile extractor, bushing type pile extractor be equipped with by
Oil cylinder drives and can constitute to tube hub protrusion multiple dogs to waste and old stake bottom end axial direction pop-up, and the oil cylinder is through electromagnetism
Valve and the oil pipe in pile extractor casing and full-sleeve are connect with the oil pump and fuel tank being set on assembly power perforating piling machine；Institute
The bushing type pile extractor bottom end stated is equipped at least one high-pressure water nozzle, and the high-pressure water nozzle is through solenoid valve and set on pulling out
High-pressure water pipe in stake device casing and full-sleeve on the assembly power perforating piling machine and the water pump that is connect with water source；Described
Be additionally provided on oil cylinder detection piston rod under elongation range sensor, the range sensor pass through be set to pile extractor casing and
Conducting wire in full-sleeve is electrically connected with the controller of assembly power perforating piling machine.
After using the above structure, pile pulling device of the present invention has the advantage that the pile pulling set and overcome the above prior art
The shortcomings that device, bushing type pile extractor rotates in sinking watching to be rinsed using high pressure water, to after predetermined depth, then will be more with oil cylinder
A pillar carries out axial pop-up to waste and old stake and is commonly called as revealing all the details or backing, if controller such as MCU is detected according to range sensor
Data determine when not revealing all the details, sink again until revealing all the details, and pillar is accurate to the backing of waste and old stake, reliable, and construction noise is small, can one
Waste and old stake is extracted in secondary property rotation, and time saving and energy saving, short construction period, construction efficiency is high, is enlargement of cities improvement project and city rail
Pulling out for waste and old stake provides a kind of ideal pile pulling device in road transport development.
Further, the dog is four arranged along bushing type pile extractor even circumferential.After using the above structure,
Backing device its mechanical property that four dogs are constituted is more preferable, more solid and reliable to waste and old stake backing.
Further, the inner surface of the dog is equipped with several when dog is raised to tube hub and is driven by power head
The carbide button of waste and old stake can be cut off when rotation, the waste and old stake bottom end includes the bottom end of the waste and old stake broken pile after being cut off.It adopts
After the above structure, only need to pull out the feelings of such as 30 meters or more of one section of waste and old stake of the old stake part of expense in traffic track engineering
Under condition, waste and old stake is cut off using the pile pulling device and extracts 30 meters or more of the waste and old stake part, tool wear is small, process
Few, worker operation is simple, and construction efficiency is high, and construction speed is fast.
Further, the upper end warp beam of each oil cylinder is hinged on the upper end of the inside and outside tube wall of bushing type pile extractor, each oil
The lower end of the piston rod of cylinder and the upper end of the first articulated jib are hinged, and the upper end of the lower end of the first articulated jib and the second articulated jib is cut with scissors
It connects, the lower end warp beam of the second articulated jib is hinged on the lower end of the inside and outside tube wall of bushing type pile extractor；The inner tube of bushing type pile extractor
Wall is retracted equipped with multiple for the first articulated jib and the second articulated jib to tube hub protrusion with return with axial pop-up or to tube wall
Notch；If the inner surface of first articulated jib and the second articulated jib is equipped with a carbide button；Multiple oil cylinders are through respective
Piston rod drives respective first articulated jib and the second articulated jib to tube hub protrusion, to constitute to waste and old stake bottom end or waste and old
The bottom end axial direction pop-up of stake broken pile and symmetrical multiple dogs.After the dog of oil cylinder driving uses the above specific structure, structure
Simpler, operation is more flexible, and tool wear is small when needing to cut off, and cutting is quickly thorough, also more steady to waste and old stake axial direction pop-up
Gu reliable.
Further, two articulated jibs are respectively positioned on bushing type pile extractor after first articulated jib and the second articulated jib return
Inside and outside tube wall between space in.After using the above structure, the rotation of bushing type pile extractor is sunk i.e. not backing and when not cutting off
When avoid the interference to waste and old stake, it is also more convenient when keeping bushing type pile extractor decline process more smooth, and unloading.
Further, the range sensor is multiple, there is one on each oil cylinder, is mounted on the outer bottom end of each oil cylinder
On face, the distance change of the bottom face of detecting distance sensor to the first articulated jib top surface.After using the above structure, testing result
More comprehensively more acurrate, the installation and replacement of range sensor are more convenient.
Further, the high-pressure water nozzle is multiple, each high pressure arranged along bushing type pile extractor even circumferential
The spout of sprinkler head is outside.After using the above structure, the effect of impacting with high pressure soil sandstone is more preferable.
The invention solves another technical problem be to provide a kind of pile pulling that can disposably pull out one whole waste and old stake
Construction method.
Another technical solution of the invention is to provide a kind of using the progress of pile pulling device described in any of the above one
The method of pile pulling construction, comprising the following steps:
1., the bushing type pile extractor of full-sleeve lower end is linked in outside the waste and old stake that need to be pulled out；
2., starting assembly power perforating piling machine, controller steering maneuver head make bushing type pile extractor rotation sink and simultaneously
It opens high-pressure water nozzle and washes the soil sandstone around waste and old stake open；
3., the height of estimated multiple dogs start multiple oil cylinders driving pistons when being lower than the bottom end that need to pull out waste and old stake
Bar drives multiple dogs to tube hub protrusion, meanwhile, controller according to the signal that range sensor is passed back judge multiple dogs to
Tube hub protrusion whether in place,
If judge multiple dogs to tube hub protrusion not in place, controller manipulate multiple oil cylinders driving piston rods drive it is multiple
Dog is retracted in the space between the inside and outside tube wall of bushing type pile extractor, and steering maneuver head makes bushing type pile extractor to controller again
Continue rotation to sink and keep washing soil sandstone around waste and old stake open with high-pressure water nozzle, repeat above operation until apart from biography
The signal that sensor is passed back shows multiple dogs to tube hub protrusion in place；
If judge multiple dogs to tube hub protrusion in place if the rotation pile pulling of controller steering maneuver head, until the waste and old stake
Entirety hangs out ground；Or
When if desired cutting off waste and old stake, after above the 2. step, by multiple dogs sink to it is predetermined cut a position, start
Multiple oil cylinder driving piston rods drive multiple dogs to tube hub protrusion, power head while rotary cutting, and controller is according to distance
The signal that sensor is passed back judges whether in place whether i.e. waste and old stake is cut off multiple dogs to tube hub protrusion,
If judging, multiple dogs do not judge that waste and old stake is not switched off to tube hub protrusion in place, and controller manipulates multiple oil
Cylinder driving piston rod drives multiple dogs to continue to tube hub protrusion, power head while rotary cutting, until judging multiple dogs
In place to tube hub protrusion,
If judge multiple dogs to tube hub protrusion in place if the rotation pile pulling of controller steering maneuver head, until this is linked in
Waste and old stake in full-sleeve and bushing type pile extractor integrally hangs out ground.
After above step, pile-pulling construction method of the present invention has the advantage that the present invention overcomes above existing
There is the shortcomings that pile extracting method of technology, bushing type pile extractor rotates in sinking watching to be rinsed using high pressure water, to after predetermined depth,
Multiple pillars are carried out axial pop-up to waste and old stake with oil cylinder again to be commonly called as revealing all the details or backing, if controller such as MCU is according to distance
When the determination of sensor detection data is not revealed all the details, sink again until revealing all the details.Pillar is accurate to the backing of waste and old stake, reliable, construction
Noise is small, can disposably rotate and extract waste and old stake, time saving and energy saving, short construction period, and construction efficiency is high.In traffic track engineering
In the case where needing to pull out one section of waste and old stake such as 30 meters or more of old stake part of expense, waste and old stake is cut off using the pile extracting method
And extract 30 meters or more of the waste and old stake part, tool wear is small, and process is few, and worker operation is simple, and construction efficiency is high, construct into
Degree is fast.It provides a kind of ideal pile pulling for pulling out for waste and old stake in enlargement of cities improvement project and Construction of Urban Rail Traffic and applies
Work method.
Further, pile-pulling construction method of the present invention is further comprising the steps of: 4., by full-sleeve and bushing type pile extractor turning
To unloading at stake, controller manipulates the inside and outside tube wall that multiple oil cylinder driving piston rods drive multiple dogs to be retracted to bushing type pile extractor
Between space in, the waste and old stake being linked in full-sleeve and bushing type pile extractor is fallen under self gravity at this time unloads stake
Place.After above step, the waste and old stake for hanging out ground can be under lock and key or be transported using large car, unload a fast power-saving,
Keep the removing of waste and old stake more thorough, construction efficiency is higher.
Detailed description of the invention
Fig. 1 is structural schematic diagram when pile pulling device of the present invention is connected on assembly power hole-forming device.
Fig. 2 is the structural schematic diagram (showing oil pipe water pipe and conducting wire) when the pile extractor pillar in the present invention retracts.
Fig. 3 is the vertical profile structural schematic diagram of the pile extractor in Fig. 2.
Fig. 4 be the pillar of the pile extractor in the present invention to tube hub protrusion when structural schematic diagram (show high pressure water jets
Head).
Fig. 5 is the pile extractor vertical profile structural schematic diagram in Fig. 4.
As shown in the figure 1, bushing type pile extractor, 2, power head, 3, sliding rail, 4, full-sleeve, 5, mainmast, 6, chassis, 7, oil
Cylinder, 8, high-pressure water pipe, 9, conducting wire, 10, oil pipe, 11, axis, 12, range sensor, the 13, first articulated jib, the 14, second articulated jib,
15, dog, 16, piston rod, 17, high-pressure water nozzle, 18, notch, 19, carbide button.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.Herein it is to be understood that, for
The explanation of these specific embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, following institute
Technical characteristic involved in each specific embodiment of the invention of description is as long as they do not conflict with each other
It is combined with each other.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5
Pile pulling device of the present invention, the full-sleeve 4 being connect including the power head 2 with assembly power perforating piling machine.The company
It connects and flanged joint or the connection type using prior arts such as quick coupling connections can be used.The assembly power drilling pile
Machine, such as the hydraulic walking stake machine of the prior art, generally comprise chassis 6, mainmast 5, sliding rail 3, by hoist engine and traction rope band
It is dynamic and can be in the power head 2 that sliding rail 3 slides up and down.Combined type power perforating piling machine, also referred to as rotary pile-digging machine, are alternatively referred to as herein
Rotary piling machine or rotary pile-drawing machine.
The bottom end of the full-sleeve 4 is fixed with bushing type pile extractor 1.The fixation can be welding, flanged joint
Or the fixed form of the prior arts such as quick coupling connection.Bushing type pile extractor 1 be equipped with it is multiple from oil cylinder 7 driving and can be to pipe
Central protuberance is to constitute axial pop-up or following multiple dogs 1 as disconnecting device to waste and old stake bottom end, the oil
Oil pipe 10 of the cylinder 7 through solenoid valve and in pile extractor casing and full-sleeve 4 and the oil pump being set on assembly power perforating piling machine
And fuel tank connection.The dog 15 is preferably four arranged along 1 even circumferential of bushing type pile extractor, certainly, three, five
It is a, six, seven, eight it is good.The axial pop-up is alternatively referred to as revealed all the details to waste and old stake bottom end or backing, can also claim
For axial limiting.
The range sensor 12 of the lower elongation of detection piston rod 16 is additionally provided on the oil cylinder 7.The Distance-sensing
Conducting wire 9 of the device 12 through being set in pile extractor casing and full-sleeve 4 is electrically connected with the controller of assembly power perforating piling machine.According to normal
Know it is found that an oil cylinder is usually two oil pipes.Since for example preferred four oil cylinders of multiple oil cylinders are synchronization action, can also only exist
Mounting distance sensor on one of oil cylinder.Certainly, the preferably several range sensors 12 of the present invention are set on each oil cylinder
One range sensor 12, reliability is stronger, and testing result is more comprehensively more acurrate.The range sensor 12 is preferred
Be mounted on the outer bottom face of each oil cylinder 7, the bottom face of detecting distance sensor 12 to following 13 top surfaces of the first hinge arm away from
From variation.Certainly the range sensor 12 is also mountable on the interior headboard of each oil cylinder 7, detecting distance sensor 12
For bottom face to the distance change of oil cylinder piston, range sensor 12 is mounted on the inside of oil cylinder 7, influenced by muddy water etc. it is relatively small,
But installation and replacement trouble.
The upper end warp beam 11 of each oil cylinder 7 is hinged on the upper end of the inside and outside tube wall of bushing type pile extractor 1, each oil cylinder 7
The lower end of piston rod 16 and the upper end of the first articulated jib 13 are hinged, the upper end of the lower end of the first articulated jib 13 and the second articulated jib 14
Hingedly, the lower end warp beam 11 of the second articulated jib 14 is hinged on the lower end of the inside and outside tube wall of bushing type pile extractor 1.It is described above each
Oil cylinder 7 and the first articulated jib 13, the second articulated jib 14 it is hinged, can be structure in detail below: the upper end of each oil cylinder 7 and axis
The upper of the inner tubal wall and outer tube wall for being such as riveted on bushing type pile extractor 1 is fixed at 11 middle part rotation connection, the both ends of axis 11 respectively
End.The rotation connection of the middle part of the through-hole of the axle sleeve of the lower end of the piston rod 16 of each oil cylinder 7 and an axis 11, the both ends point of the axis 11
It is unfixed as riveted with the respective through-hole of the upper end of two piece of first articulated jib 13.The lower end of two piece of first articulated jib 13 it is respective
The both ends of through-hole and an axis 11 are fixed as riveted, and the upper end of the middle part of the axis 11 and the second articulated jib 14 is rotatablely connected.Second hinge
The middle part of the lower end and an axis 11 that connect arm 14 is rotatablely connected, and fixation is such as riveted on bushing type pile extractor 1 respectively at the both ends of the axis 11
Inner tubal wall and outer tube wall lower end.
The inner tubal wall of bushing type pile extractor 1 is equipped with multiple convex to tube hub for the first articulated jib 13 and the second articulated jib 14
It rises with axial pop-up or retracts to tube wall with the notch 18 of return.In other words, the inner tubal wall of bushing type pile extractor 1 is equipped with
It is multiple such as four notches, for respective first articulated jib 13 and the second articulated jib 14 to tube hub protrusion with axial pop-up i.e. to useless
It old stake axial limiting or reveals all the details or backing or the waste and old tubular pole of cutting or retract to tube wall is used with return.Certainly, the notch 18
The bottom end of the inner tubal wall of bushing type pile extractor 1 can also be penetrated through, notch can also be set on the outer tube wall of bushing type pile extractor 1, the notch
The bottom end of the outer tube wall of tubular type pile extractor 1 can also be penetrated through.Two hinge after 14 return of first articulated jib 13 and the second articulated jib
It connects in the space that arm is respectively positioned between the inside and outside tube wall of bushing type pile extractor 1.In other words, the whole of two articulated jibs wrap after return
Include following carbide buttons 19 be respectively positioned on 1 inner tube of bushing type pile extractor inner wall plumb line close to the side of outer tube wall.At this point, living
The vertical middle line of the axis of stopper rod 16 and the first articulated jib 13 and the second articulated jib 14 certainly, does not have generally on same plumb line
Having also is allowed on same plumb line, but two articulated jibs are respectively positioned between the inside and outside tube wall of bushing type pile extractor 1 after return
Space in plumb line i.e. positioned at the inner wall of 1 inner tube of bushing type pile extractor close to the side of outer tube wall, in order to avoid interference bushing type
Pile extractor 1 is moved up and down along waste and old stake.First articulated jib 13 is alternatively referred to as the first hinge arm, the second articulated jib 14 alternatively referred to as the
Two hinge arms.
The inner surface of the dog 15 is equipped with several when dog 15 is to tube hub protrusion and by the driving rotation of power head 2
When can cut off the carbide button 19 of waste and old stake, that is, if the inner surface of first articulated jib 13 and the second articulated jib 14 be equipped with it is a
Carbide button 19, it can be appreciated that inner surface described here refers to this one side close to tube hub.The carbide button 19 can be managed
Solution is pick, can be square cone, is also possible to cone.The waste and old stake bottom end includes the waste and old stake after being cut off
The bottom end of broken pile.Multiple oil cylinders 7 drive respective first articulated jib 13 and the second articulated jib 14 to pipe through respective piston rod 16
Central protuberance, to constitute the bottom end axial direction pop-up to waste and old stake bottom end or waste and old stake broken pile and symmetrical multiple dogs 15.
1 bottom end of bushing type pile extractor is equipped at least one high-pressure water nozzle 17, the high-pressure water nozzle 17
High-pressure water pipe 8 through solenoid valve and in pile extractor casing and full-sleeve 4 be set on assembly power perforating piling machine and and water
Source connects water pump.The water source such as water tank on setting assembly power perforating piling machine, or it is located at the pond on ground.It is not difficult to manage
Solution, commonly referred to as water inner pipe water pressure are greater than 4 kilograms every square centimeter and are known as high pressure water.The high-pressure water nozzle 17 can be for along casing
Multiple 4 as illustrated in the drawing of 1 even circumferential of formula pile extractor arrangement, the spout of preferably each high-pressure water nozzle 17 is outside.When
So, only illustrate in figure, high-pressure water nozzle 17 can also be any number in 5~16, figure mesohigh sprinkler head 17 it is straight
Diameter and shape are also only illustrated, and can also be major diameter and other shapes.
The method that pile pulling construction is carried out using above-described pile pulling device, comprising the following steps:
1., the bushing type pile extractor 1 of 4 lower end of full-sleeve is linked in outside the waste and old stake that need to be pulled out.
2., starting assembly power perforating piling machine, controller steering maneuver head 2 make bushing type pile extractor 1 rotation sink and it is same
Shi Kaiqi high-pressure water nozzle 17 washes the soil sandstone around waste and old stake open.
3., the height of estimated multiple dogs 15 such as have dropped to 30 meters when being lower than the bottom end that need to pull out waste and old stake, start simultaneously
Multiple oil cylinders 7 drive piston rod 16 to drive multiple dogs 15 to tube hub protrusion, while controller is passed according to range sensor 12
In place whether the signal returned judge multiple dogs 15 to tube hub protrusion.
If judge multiple dogs 15 to tube hub protrusion not in place, controller manipulates multiple oil cylinders 7 and drives 16 bands of piston rod
It moves multiple dogs 15 to be retracted in the space in the tube wall of bushing type pile extractor 1 between i.e. inside and outside tube wall, controller manipulates dynamic again
Power head 2 makes bushing type pile extractor 1 continue rotation sinking and keeps washing the soil sandstone around waste and old stake open with high-pressure water nozzle 17；
It repeats above operation until the signal that range sensor is passed back shows multiple dogs 15 to tube hub protrusion in place.
If judge multiple dogs 15 to tube hub protrusion in place if controller steering maneuver head 2 rotate pile pulling, until the set
The waste and old stake closed in full-sleeve 4 and bushing type pile extractor 1 integrally hangs out ground.High-pressure water nozzle 17 can still be opened when pile pulling,
It can also close.Or
When if desired cutting off waste and old stake, after above the 2. step, by multiple dogs 15 sink to it is predetermined cut a position, open
Moving multiple oil cylinders 7 drives piston rod 16 to drive multiple dogs 15 to tube hub protrusion, power head while rotary cutting, controller root
Judge whether in place whether i.e. waste and old stake is cut off multiple dogs 15 to tube hub protrusion according to the signal that range sensor 12 is passed back.
If judging, multiple dogs 15 do not judge that waste and old stake is not switched off to tube hub protrusion in place, and controller manipulation is multiple
Oil cylinder 7 drives piston rod 16 that multiple dogs 15 is driven to continue to tube hub protrusion, power head while rotary cutting, until judging more
A dog 15 to tube hub protrusion in place, that is, until the signal via controller passed back of range sensor 12 judges multiple dogs 15
In place to tube hub protrusion.
If judge multiple dogs 15 to tube hub protrusion in place if controller steering maneuver head 2 rotate pile pulling, until the set
It closes and integrally hangs out ground in the waste and old stake that the waste and old stake in full-sleeve 4 and bushing type pile extractor 1 is the upper section after cutting off.
4., full-sleeve 4 and bushing type pile extractor 1 gone to and is unloaded as on trailer bus at stake, controller manipulates multiple oil cylinders 7
Driving piston rod 16 drives multiple dogs 15 to be retracted in the space between the inside and outside tube wall of bushing type pile extractor 1, at this time the set
It closes to fall under self gravity in the waste and old stake in full-sleeve 4 and bushing type pile extractor 1 and unload at stake as dragged on trailer bus
From building site.
Certainly, 5. pile-pulling construction method of the present invention may also include step, leave backfill in hole in the waste and old stake of extraction.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for the technology of this field
For personnel, the invention may be variously modified and varied.It is all within spirit of that invention and principle, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of pile pulling device, including the full-sleeve (4) that the power head (2) with assembly power perforating piling machine is connect, feature exists
In: the bottom end of the full-sleeve (4) is fixed with bushing type pile extractor (1), and bushing type pile extractor (1) is equipped with by oil cylinder (7)
Multiple dogs (1) to waste and old stake bottom end axial direction pop-up are driven and can constitute to tube hub protrusion, the oil cylinder (7) is through electricity
Magnet valve and the oil pump and oil for being set to the oil pipe (10) in pile extractor casing and full-sleeve (4) and being set on assembly power perforating piling machine
Case connection；Described bushing type pile extractor (1) bottom end is equipped at least one high-pressure water nozzle (17), the high-pressure water nozzle
(17) through solenoid valve and the high-pressure water pipe (8) being set in pile extractor casing and full-sleeve (4) and set on assembly power perforating piling machine
Go up and be connected with the water pump connection at water source；The Distance-sensing of elongation under detection piston rod (16) is additionally provided on the oil cylinder (7)
Device (12), the range sensor (12) through be set to pile extractor casing and full-sleeve (4) in conducting wire (9) and assembly power at
The controller electrical connection of hole stake machine.
2. pile pulling device according to claim 1, it is characterised in that: dog (15) quantity is along bushing type pile pulling
Four of device (1) even circumferential arrangement.
3. pile pulling device according to claim 1, it is characterised in that: the inner surface of the dog (15) is equipped with several
The carbide button (19) of waste and old stake can be cut off when dog (15) is to tube hub protrusion and is driven and is rotated by power head (2), it is described
Waste and old stake bottom end includes the bottom end of the waste and old stake broken pile after being cut off.
4. pile pulling device according to claim 1 or 3, it is characterised in that: the upper end warp beam (11) of each oil cylinder (7) is hinged
In the upper end of the inside and outside tube wall of bushing type pile extractor (1), the lower end of the piston rod (16) of each oil cylinder (7) and the first articulated jib
(13) upper end is hinged, and the lower end of the first articulated jib (13) and the upper end of the second articulated jib (14) are hinged, the second articulated jib (14)
Lower end warp beam (11) be hinged on bushing type pile extractor (1) inside and outside tube wall lower end；On the inner tubal wall of bushing type pile extractor (1)
Equipped with it is multiple for the first articulated jib (13) and the second articulated jib (14) to tube hub protrusion with axial pop-up or to tube wall retraction with
The notch (18) of return；The inner surface of first articulated jib (13) and the second articulated jib (14) is equipped with several carbide buttons
(19)；Multiple oil cylinders (7) through respective piston rod (16) drive respective first articulated jib (13) and the second articulated jib (14) to
Tube hub protrusion, to constitute the bottom end axial direction pop-up to waste and old stake bottom end or waste and old stake broken pile and symmetrical multiple dogs
(15)。
5. pile pulling device according to claim 4, it is characterised in that: first articulated jib (13) and the second articulated jib
(14) two articulated jibs are respectively positioned in the space between the inside and outside tube wall of bushing type pile extractor (1) after return.
6. pile pulling device according to claim 4, it is characterised in that: the range sensor (12) be it is multiple, each
Oil cylinder has one on (7), is mounted on each oil cylinder (7) outer bottom face, the bottom face of detecting distance sensor (12) to first
The distance change of articulated jib (13) top surface.
7. pile pulling device according to claim 1, it is characterised in that: the high-pressure water nozzle (17) is to pull out along bushing type
Stake device (1) even circumferential arrangement it is multiple, the spout of each high-pressure water nozzle (17) is outside.
8. a kind of using pile pulling device pile-pulling construction method described in any one of claim 1~7, which is characterized in that packet
Include following steps:
1., the bushing type pile extractor (1) of full-sleeve (4) lower end is linked in outside the waste and old stake that need to be pulled out；
2., starting assembly power perforating piling machine, controller steering maneuver head (2) make bushing type pile extractor (1) rotation sink and it is same
Shi Kaiqi high-pressure water nozzle (17) washes the soil sandstone around waste and old stake open；
3., the height of estimated multiple dogs (15) starts multiple oil cylinders (7) driving and lives when being lower than the bottom end that need to pull out waste and old stake
Stopper rod (16) drives multiple dogs (15) to tube hub protrusion, meanwhile, the signal that controller is passed back according to range sensor (12)
Judge multiple dogs (15) to tube hub protrusion whether in place,
If judge multiple dogs (15) to tube hub protrusion not in place, controller manipulates multiple oil cylinders (7) drivings piston rod (16)
Multiple dogs (15) are driven to be retracted in the space between the inside and outside tube wall of bushing type pile extractor (1), controller steering maneuver again
Head (2) makes bushing type pile extractor (1) continue rotation to sink and keep washing soil sandstone around stake open with high-pressure water nozzle (17),
It repeats above operation until the signal that range sensor (12) are passed back shows multiple dogs (15) to tube hub protrusion in place；
If judge multiple dogs (15) to tube hub protrusion in place if controller steering maneuver head (2) rotation pile pulling, until the set
The waste and old stake closed in full-sleeve (4) and bushing type pile extractor (1) integrally hangs out ground；Or
When if desired cutting off waste and old stake, after above the 2. step, by multiple dogs (15) sink to it is predetermined cut a position, start
Multiple oil cylinder (7) drivings piston rod (16) drive multiple dogs (15) to tube hub protrusion, power head while rotary cutting, control
Device judges whether in place i.e. waste and old stake is multiple dogs (15) to tube hub protrusion according to the signal that range sensor (12) is passed back
It is no to be cut off,
If judging, multiple dogs (15) do not judge that waste and old stake is not switched off to tube hub protrusion in place, and controller manipulates multiple oil
Cylinder (7) driving piston rod (16) drives multiple dogs (15) to continue to tube hub protrusion, power head while rotary cutting, until sentencing
Break multiple dogs (15) to tube hub protrusion in place,
If judge multiple dogs (15) to tube hub protrusion in place if controller steering maneuver head (2) rotation pile pulling, until the set
The waste and old stake closed in full-sleeve (4) and bushing type pile extractor (1) integrally hangs out ground.
9. pile-pulling construction method according to claim 8, which is characterized in that further comprising the steps of:
4., full-sleeve (4) and bushing type pile extractor (1) gone to and unloaded at stake, controller manipulates multiple oil cylinders (7) and drives piston rods
(16) multiple dogs (15) are driven to be retracted in the space between the inside and outside tube wall of bushing type pile extractor (1), this is linked at this time
Waste and old stake in full-sleeve (4) and bushing type pile extractor (1) is fallen under self gravity unloads at stake.
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| CN201910812221.1A CN110485422B (en) | 2019-08-30 | 2019-08-30 | Pile pulling construction method of pile pulling device |
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| CN110485422B CN110485422B (en) | 2021-04-13 |
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| CN105970962A (en) * | 2016-06-28 | 2016-09-28 | 宁波鸿晨建设有限公司 | Double full casing pipe one-time rotary-cutting pile removing device and pile removing method thereof |
| CN108517865A (en) * | 2018-06-14 | 2018-09-11 | 宁波市政工程建设集团股份有限公司 | The clear stake device of casing balanced type and its clear piling method |
| JP2018199928A (en) * | 2017-05-26 | 2018-12-20 | 株式会社徳永組 | Chucking mechanism of pile puller and pile pulling method |
| CN210507443U (en) * | 2019-08-30 | 2020-05-12 | 宁波易和桩基工程技术开发有限公司 | Pile pulling device |
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| CN105649083A (en) * | 2016-03-18 | 2016-06-08 | 宁波鸿晨建设有限公司 | All-casing one-time rotary cutting type pile removing device and pile removing method thereof |
| CN105970962A (en) * | 2016-06-28 | 2016-09-28 | 宁波鸿晨建设有限公司 | Double full casing pipe one-time rotary-cutting pile removing device and pile removing method thereof |
| JP2018199928A (en) * | 2017-05-26 | 2018-12-20 | 株式会社徳永組 | Chucking mechanism of pile puller and pile pulling method |
| CN108517865A (en) * | 2018-06-14 | 2018-09-11 | 宁波市政工程建设集团股份有限公司 | The clear stake device of casing balanced type and its clear piling method |
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