CN102758434B - Middle pick prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof - Google Patents
Middle pick prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof Download PDFInfo
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- CN102758434B CN102758434B CN201110105582.6A CN201110105582A CN102758434B CN 102758434 B CN102758434 B CN 102758434B CN 201110105582 A CN201110105582 A CN 201110105582A CN 102758434 B CN102758434 B CN 102758434B
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Abstract
The invention discloses middle pick prestressed centrifugally pile tube pile-sinking device, comprise crawler type main frame, hoist engine, unit head, hydraulic pressure draws anchor device, deposit native case, spirality drilling rod assembly, it is characterized in that: on crawler type main frame, be provided with guide rod, many groups pulley that the top of described guide rod is arranged is connected with wire rope and unit head by hoist engine, unit head lower end and hydraulic pressure draw anchor device to be connected, hydraulic jack is fixed on hydraulic pressure and draws on anchor device, hydraulic jack lower end is connected to deposits native case, deposit native case lower end to be provided with pile cover and to be connected with prestressed centrifugally pile tube, deposit native case behind and main machine base be provided with reverse drawing pulley, reverse drawing pulley is connected with hoist engine by pull-back cable, unit head center is connected with spirality drilling rod assembly.Present invention also offers in one and dig prestressed centrifugally pile tube pile-sinking method, the steps include: that spirality drilling rod assembly creeps at pile tube center, the pile sinking method of edge injection casting one side pile sinking.The present invention has following obvious advantage and beneficial effect: have low cost, high benefit, low noise, friction, without mud, free of contamination advantage.
Description
Technical field
The present invention relates in one and dig prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof, be mainly used in basis and the large equipment base of building, this method can make to improve bearing capacity of single pile in the scope that the same stake in same stake footpath is long.
Background technology
Prestressed centrifugally pile tube which support the loading of building and various equipment Foundations, makes building, structure make get Geng Gao, so the diameter of this embedded depth and stake directly has influence on this bearing capacity.
The pile-sinking method majority of current prestressed centrifugally pile tube adopts Driven Piles method and static pressure pile method, is secondly that the plunging that fetches earth also has bored pile method.
1, Driven Piles method: when stake diameter is larger, nearby residents can adopt hammering method time few, hammering method noise is very large, can produce a large amount of black smoke again, vibrate also very large during hammering, it is a kind of pile-sinking method of high pollution, a lot of down town prohibits the use, and the pile frame of largest domestic can only hang 80 hammers at present simultaneously, and impact force is maximum also can only be 800T, when bearing capacity just can only change bored pile method into more than during 800T, therefore high ferro and large bridge pile foundation all select bored pile construction at present.
2, static pressure pile method: static pressure pile method utilizes equipment self-weight a kind of method in stake press-in soil, but because equipment self-weight is large, high to site requirements, pressing-in force is also limited, the Static pressure pile driver of current largest domestic is 800T, bearing capacity of single pile just cannot be pressed into stake more than 600T, therefore more than 25 layers houses also can only adopt bored pile.
Above two kinds of pile-sinking method also exist a kind of insurmountable problem, a large amount of stakes is beaten during (pressure) bury, the soil body is outwards expanded, a large amount of soil compaction affects the building of periphery, road, subway, tunnel and pipeline etc., the phenomenon such as crack, displacement can be produced, so (pressure) all can not be beaten in down town and subway limit, side, tunnel and building compact district enter prestressed centrifugally pile tube, also bored pile method can only be used instead.
3, boring extracting soil plunging: namely first bore a hole with borrow equipment on original place, pile press is pressed into stake, this method can adopt at northern area again, because water content is less in soil, hole can be formed, but south and Yangtze River Delta Area native in water content higher, hole cannot be formed, and stake just cannot be beaten (pressure) and be entered, stake also easy off normal in addition, secondly, when stake is longer, boring extracting soil carries out with regard to more difficult, and the darkest domestic borrow equipment also can only to about 30 meters at present.
4, another kind of pile foundation is exactly bored pile method, this pile-sinking method is a kind of without soil compaction pile-sinking method, the stake of some ultra-deep super larges at present all uses the method, the method utilizes bath boring, carry out one clear after mud off to the degree of depth, then prefabricated reinforcing cage is put into hole, again conduit being put into cage carries out two clear, concrete perfusion is carried out after reaching standard, it is high that bored pile has cost, long in time limit, quality is difficult to again control and in boring procedure, produce a large amount of mud, mud is disposed and is difficult to, job site is seriously polluted, a large amount of mud is all disposed in river, in lake, in the sea, sewer and little creek all blocked, government clears up sewer every year and creek mud expense is huge, great pollution is caused to environment simultaneously.
Summary of the invention
Instant invention overcomes the deficiency of above multiple pile-sinking method, the bored pile method without soil compaction can be substituted completely, all can sink large and dark prestressed centrifugally pile tube on bulilt-up area territory, center, city, subway limit, limit, tunnel.
The present invention is a kind of fumarole utilizing spirality to fetch earth on drilling rod and drill bit at prestressed centrifugally pile tube center, one edge injection casting on one side pile sinking on one side, after stake is sink to absolute altitude, just withdraw the position that original place moves to the second pile, continue operation, a kind of high-pressure rotary-spray device of another use completes a root pressure-injected cement slurry, forms the stake of spheroidal napiform root, expands the bearing capacity of stake.
Present invention achieves a kind of pile-sinking device of middle pick prestressed centrifugally pile tube, comprise crawler type main frame, hoist engine, unit head, hydraulic pressure draws anchor device, deposit native case, spirality drilling rod assembly, it is characterized in that: on crawler type main frame, be provided with guide rod, many groups pulley that the top of described guide rod is arranged is connected with wire rope and unit head by hoist engine, unit head lower end and hydraulic pressure draw anchor device to be connected, hydraulic jack is fixed on hydraulic pressure and draws on anchor device, hydraulic jack lower end is connected to deposits native case, deposit native case lower end to be provided with pile cover and to be connected with prestressed centrifugally pile tube, deposit native case behind and main machine base be provided with reverse drawing pulley, reverse drawing pulley is connected with hoist engine by pull-back cable, unit head center is connected with spirality drilling rod assembly, spirality drilling rod assembly directly puts in prestressed centrifugally pile tube centre bore through depositing native case, described spirality drilling rod assembly lower end drill bit is provided with a fumarole.
A pile sinking method for middle pick prestressed centrifugally pile tube, the steps include:
Step one, crawler type main frame are in place, by place for main frame to pile sinking position;
Step 2, stake position repetition measurement, whether correct with two transits repetition measurement stake position on the control point of two different angles;
Step 3, to sling with crawler crane first segment prestressed centrifugally pile tube and the first segment spirality drilling rod assembly put in advance in prestressed centrifugally pile tube stake holes move on on stake position;
Step 4, unit head lower center is connected first segment spirality drilling rod assembly, pile for prestressed pipe is connected on the pile cover depositing native case lower end, continue the verticality correcting main frame guide rod with two transits in different both directions, namely correct the verticality of stake;
Step 5, starting unit head whirligig, creep into spirality drilling rod assembly, start high-pressure jet device simultaneously in soil, high-pressure jet creeps into casting while pile sinking on one side, when first segment stake is sink to ground, opens and deposits native chamber door, pouring special cart into loosening the soil, being transported to specify and stacking place;
Step 6, unit head, hydraulic pressure are drawn anchor device, deposit native case and pile cover leaves first segment stake, then to sling second section prestressed centrifugally pile tube and the second section drilling rod that pierces in advance in prestressed centrifugally pile tube stake holes with crawler crane, move in first segment stake, first connect drilling rod then second section stake to be overlapped with first segment stake, start hoist engine and some devices on guide rod are risen to second section stake upper end, again pile cover is connected with second section stake upper end after first jointed rod;
Step 7, correct the verticality of second section stake again with two transits, correct in addition and whether overlap with first segment stake;
Step 8, carbon dioxide gas welding device to be welded together second section stake and first segment stake;
Step 9, weld full, tight, meets standards of acceptance requirement, continues the 5th step and second section stake is sink to ground, have Section three, Section four same flow implementation;
Step 10, set up Pile feeder, connect drilling rod, casting limit, edge injection limit pile sinking, till being sink to absolute altitude prestressed centrifugally pile tube;
Step 11, pile-sinking device is withdrawn the position that original place moves on to the second pile, continue pile sinking operation;
Step 12, separately completing a prestressed centrifugally pipe pile root with a kind of high-pressure rotary-spray device becomes the stake of spheroidal napiform root, expands the bearing capacity of stake;
Step 13, water filling cleaning shotcrete pipe, construction terminates.
The present invention has following obvious advantage and beneficial effect:
1, have low cost, high benefit, low noise, friction, without mud, free of contamination advantage.
2, by casting limit, edge injection limit pile sinking, the jet soil property that can make fluffs, and hyperbar can enter soil smoothly again and deposit native case, ensures safety in production, and civilized construction is a kind of environmental protection engineering method.
3, by edge injection digging on one side piling on one side, achieve without soil compaction, ensure that and to sink the stake of super large ultra-deep at Urban agglomeration, filled up domestic blank.
4, form napiform root stake by pressure-injected cement slurry at the root of stake, expand the bearing capacity of stake.
Accompanying drawing explanation
Fig. 1 is the crawler type main frame schematic diagram of digging prestressed centrifugally pile tube pile-sinking device in the present invention;
Fig. 2 is the spirality drilling rod substance pipe full-page proof schematic diagram of digging prestressed centrifugally pile tube pile-sinking device in the present invention;
Fig. 3 is spirality drilling rod assembly, the fumarole schematic diagram of digging prestressed centrifugally pile tube pile-sinking device in the present invention;
Fig. 4 is the high-pressure rotary-spray apparatus structure schematic diagram of digging prestressed centrifugally pile tube pile-sinking device in the present invention;
Fig. 5 is that the stake root of digging prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof in the present invention defines spheroidal napiform root stake schematic diagram;
Fig. 6 is the construction flow chart of the pile sinking method of digging prestressed centrifugally pile tube in the present invention;
Wherein: 1-crawler type main frame; 2-unit head; 3-hydraulic pressure draws anchor device; 4-hydraulic jack; 5-deposits native case; 6-prestressed centrifugally pile tube; 7-spirality drilling rod assembly; 8-wire rope; 9-hoist engine; 10-pile cover; 11-pulley; 12-reverse drawing pulley; 13-pull-back cable; 14-fumarole; 15-guide rod; 16-high-pressure rotary-spray device main frame; 18-hoist cylinder; 19-unit head; 20-gearbox; 21-drilling rod; 22-pulley; 23-wire rope; 24-shotcrete pipe; 25-drill bit; 26-gunniting hole; 27-lifting guide pillar; .
Detailed description of the invention
As Figure 1-4, middle pick prestressed centrifugally pile tube pile-sinking device, comprise crawler type main frame 1, hoist engine 9, unit head 2, hydraulic pressure draws anchor device 3, deposit native case 5, spirality drilling rod assembly 7, on crawler type main frame, 1 is provided with guide rod 15, many groups pulley 11 that the top of described guide rod 15 is arranged is connected with wire rope 8 and unit head 2 by hoist engine 9, unit head 2 lower end and hydraulic pressure draw anchor device 3 to be connected, hydraulic jack 4 is fixed on hydraulic pressure and draws on anchor device 3, hydraulic jack 4 lower end is connected to deposits native case 5, deposit native case 5 lower end to be provided with pile cover 10 and to be connected with prestressed centrifugally pile tube 6, deposit native case 5 behind and main frame 1 base be provided with reverse drawing pulley 12, reverse drawing pulley 12 is connected with hoist engine 9 by pull-back cable 13, unit head 2 center is connected with spirality drilling rod assembly 7, spirality drilling rod assembly 7 directly puts in prestressed centrifugally pile tube 6 centre bore through depositing native case 5, spirality drilling rod assembly 7 lower end drill bit is provided with a fumarole 14.
As seen in figs. 5-6, high-pressure rotary-spray apparatus structure schematic diagram of the present invention; Lifting guide pillar 27 is vertically mounted on high-pressure rotary-spray device main frame 16, it is inner that hoist cylinder 18 is arranged on lifting guide pillar 27, pulley 22 is arranged on lifting guide pillar 27 top, unit head 19 is arranged on lifting guide pillar 27, unit head 19 upper end is connected with wire rope 23, wire rope 23 is connected with high-pressure rotary-spray device main frame 16 by pulley 22, gearbox 20 is arranged on unit head 19 lower end, gearbox 20 is connected with drilling rod 21, shotcrete pipe 24 is connected with drilling rod 21, and drilling rod 21 lower end is provided with drill bit 25 and gunniting hole 26.
Of the present invention draw anchor pile sinking method and reverse drawing pile sinking method Specific construction as follows:
Anchor pile sinking method is drawn to be in burying with spirality drilling rod anchor, then start and be fixed on hydraulic pressure and draw the hydraulic jack on anchor device (because cylinder piston rod lower end is connected to and deposits on native case, pile cover is connected to again to be deposited below native case), just stake can be depressed so stretch out piston rod.
Reverse drawing pile sinking method utilizes the deadweight of main frame and be arranged on to deposit native case several groups of pulley sheets behind and several groups of pulley sheets be arranged on main machine base, and by connecting steel wire rope of windlass, reverse drawing is pressed into stake.
As shown in Figure 6: the pile sinking method that present invention also offers a kind of middle pick prestressed centrifugally pile tube, Specific construction step is:
Step one, crawler type main frame are in place, by place for main frame to pile sinking position;
Step 2, stake position repetition measurement, whether correct with two transits repetition measurement stake position on the control point of two different angles;
Step 3, to sling with crawler crane first segment prestressed centrifugally pile tube and the first segment spirality drilling rod assembly put in advance in prestressed centrifugally pile tube stake holes move on on stake position;
Step 4, unit head lower center is connected first segment spirality drilling rod assembly, pile for prestressed pipe is connected on the pile cover depositing native case lower end, continue the verticality correcting main frame guide rod with two transits in different both directions, namely correct the verticality of stake;
Step 5, starting unit head whirligig, creep into spirality drilling rod assembly, start high-pressure jet device simultaneously in soil, high-pressure jet creeps into casting while pile sinking on one side, when first segment stake is sink to ground, opens and deposits native chamber door, pouring special cart into loosening the soil, being transported to specify and stacking place;
Step 6, unit head, hydraulic pressure are drawn anchor device, deposit native case and pile cover leaves first segment stake, then to sling second section prestressed centrifugally pile tube and the second section drilling rod that pierces in advance in prestressed centrifugally pile tube stake holes with crawler crane, move in first segment stake, first connect drilling rod then second section stake to be overlapped with first segment stake, start hoist engine and some devices on guide rod are risen to second section stake upper end, again pile cover is connected with second section stake upper end after first jointed rod;
Step 7, correct the verticality of second section stake again with two transits, correct in addition and whether overlap with first segment stake;
Step 8, carbon dioxide gas welding device to be welded together second section stake and first segment stake;
Step 9, weld full, tight, meets standards of acceptance requirement, continues the 5th step and second section stake is sink to ground, have Section three, Section four same flow implementation;
Step 10, set up Pile feeder, connect drilling rod, casting limit, edge injection limit pile sinking, till being sink to absolute altitude prestressed centrifugally pile tube;
Step 11, pile-sinking device is withdrawn the position that original place moves on to the second pile, continue pile sinking operation;
Step 12, separately completing a prestressed centrifugally pipe pile root with a kind of high-pressure rotary-spray device becomes the stake of spheroidal napiform root, expands the bearing capacity of stake;
Step 13, water filling cleaning shotcrete pipe, construction terminates.
Here stress:
1. unit head has hydraulic pressure and electronic two kinds;
2. spirality drilling rod is substance pipe---air jet pipe;
3. drill bit has a hole---fumarole;
4. hydraulic pressure draws anchor device, drag unit all possesses, and when using, it can sink the prestressed centrifugally pile tube of super large or ultra-deep simultaneously;
5. edge injection casting on one side pile sinking on one side, delivers to loosening the soil smoothly and deposits native case;
6. when often joint stake is depressed into ground, opens and deposit native chamber door, be transported to appointment loosening the soil with special cart and pile
Put place.
7. be depressed into after absolute altitude until stake, pile-sinking device is moved apart original place, change high-pressure rotary-spray device, starch at the root pressure-injected cement of stake, form the stake of spheroidal napiform root, expand the bearing capacity of stake.
Last it is noted that above embodiment only in order to illustrate the present invention and and unrestricted technical scheme described in the invention; Therefore, although this manual with reference to each above-mentioned embodiment to present invention has been detailed description, those of ordinary skill in the art should be appreciated that and still can modify to the present invention or equivalent to replace; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of invention, it all should be encompassed in the middle of right of the present invention.
Claims (2)
1. in, dig prestressed centrifugally pile tube pile-sinking device, comprise crawler type main frame, hoist engine, unit head, hydraulic pressure draws anchor device, deposit native case, spirality drilling rod assembly, it is characterized in that: on crawler type main frame, be provided with guide rod, many groups pulley that the top of described guide rod is arranged is connected with wire rope and unit head by hoist engine, unit head lower end and hydraulic pressure draw anchor device to be connected, hydraulic jack is fixed on hydraulic pressure and draws on anchor device, hydraulic jack lower end is connected to deposits native case, deposit native case lower end to be provided with pile cover and to be connected with prestressed centrifugally pile tube, deposit native case behind and main machine base be provided with reverse drawing pulley, reverse drawing pulley is connected with hoist engine by pull-back cable, unit head center is connected with spirality drilling rod assembly, spirality drilling rod assembly directly puts in prestressed centrifugally pile tube centre bore through depositing native case, described spirality drilling rod assembly lower end drill bit is provided with a fumarole.
2. dig the pile sinking method of prestressed centrifugally pile tube in, it is characterized in that: the steps include:
Step one, crawler type main frame are in place, by place for main frame to pile sinking position;
Step 2, stake position repetition measurement, whether correct with two transits repetition measurement stake position on the control point of two different angles;
Step 3, to sling with crawler crane first segment prestressed centrifugally pile tube and the first segment spirality drilling rod assembly put in advance in prestressed centrifugally pile tube stake holes move on on stake position;
Step 4, unit head lower center is connected first segment spirality drilling rod assembly, pile for prestressed pipe is connected on the pile cover depositing native case lower end, continue the verticality correcting main frame guide rod with two transits in different both directions, namely correct the verticality of stake;
Step 5, starting unit head whirligig, creep into spirality drilling rod assembly, start high-pressure jet device simultaneously in soil, high-pressure jet creeps into casting while pile sinking on one side, when first segment stake is sink to ground, opens and deposits native chamber door, pouring special cart into loosening the soil, being transported to specify and stacking place;
Step 6, unit head, hydraulic pressure are drawn anchor device, deposit native case and pile cover leaves first segment stake, then to sling second section prestressed centrifugally pile tube and the second section drilling rod that pierces in advance in prestressed centrifugally pile tube stake holes with crawler crane, move in first segment stake, first connect drilling rod then second section stake to be overlapped with first segment stake, start hoist engine and some devices on guide rod are risen to second section stake upper end, again pile cover is connected with second section stake upper end after first jointed rod;
Step 7, correct the verticality of second section stake again with two transits, correct in addition and whether overlap with first segment stake;
Step 8, carbon dioxide gas welding device to be welded together second section stake and first segment stake;
Step 9, weld full, tight, meets standards of acceptance requirement, continues the 5th step and second section stake is sink to ground, have Section three, Section four same flow implementation;
Step 10, set up Pile feeder, connect drilling rod, casting limit, edge injection limit pile sinking, till being sink to absolute altitude prestressed centrifugally pile tube;
Step 11, pile-sinking device is withdrawn the position that original place moves on to the second pile, continue pile sinking operation;
Step 12, separately completing a prestressed centrifugally pipe pile root with a kind of high-pressure rotary-spray device becomes the stake of spheroidal napiform root, expands the bearing capacity of stake;
Step 13, water filling cleaning shotcrete pipe, construction terminates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110105582.6A CN102758434B (en) | 2011-04-26 | 2011-04-26 | Middle pick prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof |
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| CN201110105582.6A CN102758434B (en) | 2011-04-26 | 2011-04-26 | Middle pick prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof |
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| CN102758434B true CN102758434B (en) | 2016-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030967A (en) * | 2020-08-28 | 2020-12-04 | 刘培福 | Device is built to livestock-raising canopy |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190745A (en) * | 2017-06-29 | 2017-09-22 | 盐城市中标工程装备制造有限公司 | A kind of novel tubular pile pile sinking method |
| CN107165164A (en) * | 2017-06-29 | 2017-09-15 | 盐城市中标工程装备制造有限公司 | Pile tube sunk stake machine |
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| JP2689229B2 (en) * | 1995-03-07 | 1997-12-10 | 一義 諸木 | Pile driver and pile driving method |
| CN201284619Y (en) * | 2008-10-24 | 2009-08-05 | 湖南山河智能机械股份有限公司 | Large-diameter while-drilling pipe-following drill rig |
| CN201288501Y (en) * | 2008-10-24 | 2009-08-12 | 湖南山河智能机械股份有限公司 | Full-hydraulic drive device while drilling of major diameter drill while drilling and casing |
| CN201660892U (en) * | 2010-01-11 | 2010-12-01 | 周久仁 | Static-pressure pile planting hole leading machine |
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| JP2689229B2 (en) * | 1995-03-07 | 1997-12-10 | 一義 諸木 | Pile driver and pile driving method |
| CN1145436A (en) * | 1995-08-28 | 1997-03-19 | 吴远浦 | Dry pile digger |
| CN201284619Y (en) * | 2008-10-24 | 2009-08-05 | 湖南山河智能机械股份有限公司 | Large-diameter while-drilling pipe-following drill rig |
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| CN102758434A (en) | 2012-10-31 |
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