CN1920184A - Self-hammering piling method - Google Patents
Self-hammering piling method Download PDFInfo
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- CN1920184A CN1920184A CN 200510014827 CN200510014827A CN1920184A CN 1920184 A CN1920184 A CN 1920184A CN 200510014827 CN200510014827 CN 200510014827 CN 200510014827 A CN200510014827 A CN 200510014827A CN 1920184 A CN1920184 A CN 1920184A
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Abstract
The invention relates to a self-hammer pile method, which has two methods as middle-pile hammer and pile-sharp hammer, wherein the middle-pile hammer divides the pile cylinder into two parts that inserted into the upper insert cylinder (3) and the lower insert cylinder (4), then uses the piston rod (10) to lift the upper insert cylinder (3) and upper pile cylinder (1), and quickly discharges, to fall down the upper insert cylinder (3) and upper pile cylinder (1) with the acceleration lower than 1g, to hammer the lower insert cylinder (4) and lower pile cylinder (2), to pass the lower pile cylinder (2) through the soil; and the pile-sharp hammer method arranges external guide cylinder (19), anvil bed (20) and pile sharp (21) at the lower end of pile cylinder (18), and the upper end of pile cylinder (18) via sling (22) and piston cylinder (23) is suspended at the large hook (21) of lifter, and uses piston cylinder (23) to lift the pile cylinder (18), then discharges, to make the pile cylinder (18) hammer the anvil bed (20), to transmit the force to the pile sharp (21); therefore, the pile sharp (21) can be through the soil. The invention uses the pile cylinder or part to replace the pile hammer, to reduce the cost.
Description
Technical field
The invention belongs to the innovation of pile-driving method in the pile foundation engineering field.
Background technology
At present existing pile-driving method is classified according to employed pile hammer power.Pile hammer by power can be divided into that elevator drops hammer, steam hammer, diesel hammer and hydraulic hammer.The common feature of these pile hammer is that a pile monkey is all arranged, and the impact energy of piling is provided by the whereabouts of pile monkey.The elevator inefficiency that drops hammer wherein, steam hammer noise is big, and diesel hammer is seriously polluted.What relatively elect at present, is hydraulic hammer.The pile monkey of hydraulic hammer directly links to each other with the piston rod of driving oil cylinder, and hydraulic power unit is supplied with oil cylinder working-pressure oil, sends into the oil cylinder cavity of resorption by control valve, promotes piston, drives pile monkey and rises; After arriving the precalculated position, control system is opened gate gurgle valve, makes the oil discharging rapidly of oil cylinder cavity of resorption, and pile monkey descends near free falling body state, hits pile crown, and pressure oil enters the oil cylinder cavity of resorption once more, promotes tup and rises, and so repeatedly, realizes piling continuously.The advantage of hydraulic hammer is: pollution-free, noise is low, piling efficient is higher, and is strong to different soil property compliance, can be used for underwater pile driving; Its shortcoming is: complex structure, and production firm is few at present, and applying unit is also few relatively.More than except elevator drops hammer, a common drawback is that energy consumption is big, the expense height.
Summary of the invention
The objective of the invention is to have proposed a kind of self-hammering piling method.This pile-driving method has changed the mode that impact energy produces on the advantage basis that reservation hydraulic hammer itself has---with the pile monkey of stake tube self or the alternative traditional pile hammer lifting capacity agency part of a stake tube part, thereby reached the purpose that reduces expense.
The scheme that the present invention solves its technical problem has in the stake hammering and a stake pane hammer hit two kinds of schemes according to the difference of hammer point position.
The hammering scheme is to utilize the pile-driving method of the part of stake tube as pile monkey in the stake, the method comprises the stake tube is divided into two parts, be inserted in respectively on the following slotting tube and last slotting tube of hammering device, by inserting tube and top stake tube in the piston rod lifting, release makes slotting tube and top stake tube fall with the acceleration less than 1g rapidly then, tube and bottom stake tube are inserted in hammering down, thereby with bottom stake tube injection soil.
The stake pane hammer scheme of hitting is to utilize the whole pile-driving method as pile monkey of stake tube, and the method is included in stake tube lower end outer guide cylinder, anvil block and stake point are set, and hangs on the loop wheel machine hook by hoist cable, piston rod in stake tube upper end; Promote the stake tube by piston rod, release is transferred rapidly then, makes directly hammering anvil block of stake tube, and hammer force is passed to the stake point, makes the sharp injection soil of stake.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a hammering conceptual scheme (carrying the hammer state) in the stake of the present invention
Fig. 2 is a hammering conceptual scheme (state drops hammer) in the stake of the present invention
Fig. 3 is a hammering conceptual scheme (hammering state) in the stake of the present invention
Fig. 4 is the pile extension mode schematic diagram in the hammering scheme in the stake
Fig. 5 is that stake pane hammer of the present invention hits scheme arrangement figure
1. top stake tubes wherein, 2. bottom stake tube is inserted tube on 3., 4. time inserts tube, 5. goes up anvil block, 6. descend anvil block, 7. cushion pad, 8. in guide cylinder, 9. piston/cylinder, 10. piston rod, 11. slip ring, 12. hydraulic tubes, 13. breather valves, 14. hangers, 15. sleeves, 16. cement mortar, 17. inflatable packers, 18. tubes, 19. outer guide cylinders, 20. anvil blocks, 21. the stake point, 22. hoist cables, 23. piston rods, 24. hooks, 25. spacing ring, 26. reinforcing rings, 27. waters surface, 28. mud faces.
The specific embodiment
The hammering scheme is divided into two parts with the stake tube in the stake---top stake tube (1) and bottom stake tube (2), be inserted in respectively from going up of hammering device and insert tube (3) and following inserting on the tube (4), insert tube (3) and top stake tube (1) free-falling then by promoting, tube (4) and bottom stake tube (2) are inserted in hammering down, realize bottom stake tube (4) is squeezed into soil.For effectively hammering slotting down tin (4) of last slotting tube (3), to go up the lower end of inserting tube (3) and be equipped with anvil block (5) (6) with following tube (4) upper end of inserting, upper and lower part stake tube (1) (2) all is sitting on the corresponding anvil block (5) (6) by cushion pad (7); Insert tube (4) upper end down and be welded with the smaller interior guide cylinder (8) of diameter, upward insert tube (3) and be inserted on the interior guide cylinder (8).In order to make slotting tube (3) with respect to inserting (4) lifting down, portion is provided with a cover cylinder body (9) and is connected and fixed the piston rod that piston rod (10) and interior guide cylinder are connected and fixed with last slotting tube (3) within it.In order to reduce the sliding-frictional resistance of upward inserting between tube (3) and the interior guide cylinder, respectively be provided with slip ring (11) with the outside, interior guide cylinder (8) upper end in last anvil block inboard of inserting tube (3).For the ease of lifting, be respectively equipped with hanger (14) with following tube (4) lower end of inserting in last tube (3) upper end of inserting from hammering device.The hammer mode of carrying in the above scheme adopts jacking type, also can adopt rod-pulling type to carry hammer; Guide cylinder in guide cylinder adopts also can adopt outer guide cylinder.
Above structural form from hammering device can realize piling, its working cycles is as follows: a. puies forward the hammer (see figure 1): the breather valve (13) of cylinder body (9) rear end is in open mode, suppress to cylinder body (9) front end and to make piston rod (10) overhanging, what will fixedly connected with cylinder body (9) go up to insert tube (3) and is sitting in upwards jacking of top stake tube (1) on the anvil block (5), up to designing the extreme higher position; B. the (see figure 2) of dropping hammer: after carrying hammer and putting in place, keep breather valve (13) open mode of cylinder body (9) rear end, the rapid release of cylinder body (9) front end is gone up and is inserted tube (3) and top stake tube (1) to fall less than the 1g acceleration.C. hammering (see figure 3): go up and insert tube (3) and top stake tube (1) and insert the following anvil block (6) of tube (4) down, and hammer force is passed to bottom stake tube (2) with certain quality and speed hammering.Above process is carried out repeatedly, realizes the purpose of piling continuously.
Behind bottom stake tube (2) the injection certain depth, need and to reclaim from hammering device, carry out the pile extension operation then.Pile extension method can adopt to be set up sleeve (15) and by the grouted solid (see figure 4), need establish air heave type packer (17) at bottom stake tube (2) and sleeve (15), prevents that the institute's silt particle of pouring water slurry (16) is excessive.
It is guide cylinder (19), anvil block (20) and stake point (21) outside stake tube (18) lower end is provided with that the stake pane hammer hits the scheme (see figure 5), hangs on the piston rod (23) by hoist cable (22) in stake tube (18) upper end, and piston rod (23) is hung on loop wheel machine hook (24).Promote stake tube (18) by piston rod (23), release is transferred rapidly then, makes directly hammering anvil block (20) of stake tube (18), and hammer force is passed to stake point (21), makes stake tube (18) injection soil.For the ease of stake tube (18) injection soil, anvil block (20) inboard is a concave configuration, is convenient to fluid concrete stake point (21); In order to ensure the hammer force direction, the outer guide cylinder (19) of anvil block (20) welded top, outer guide cylinder (19) top is provided with spacing ring (25), welds after outer guide cylinder (19) is inserted in stake tube (18) lower end again; Stake tube (18) lower end welding reinforcing ring (26) as the reinforcement of hammering contact site, breaks away from from outer guide cylinder (19) as restriction stake tube lower end on the one hand on the other hand.
Claims (7)
1. a self-hammering piling method is characterized in that the pile monkey with stake tube self or the alternative traditional pile hammer lifting capacity agency part of a stake tube part.
2. according to the described self-hammering piling method of claim 1, can adopt hammering scheme in the stake, it is characterized in that the stake tube is divided into two parts, be inserted in respectively on the following slotting tube and last slotting tube of hammering device, by inserting tube and top stake tube in the piston rod lifting, rapid then release makes slotting tube and top stake tube fall with the acceleration less than 1g, slotting down of hammering and bottom stake tube, thereby with bottom stake tube injection soil.
3. according to the described self-hammering piling method of claim 1, also can adopt a pane hammer to hit scheme, it is characterized in that with stake tube integral body as pile monkey, guide cylinder, anvil block and stake point outside stake tube lower end is provided with, hang on the loop wheel machine hook by hoist cable, piston rod stake tube upper end; Promote the stake tube by piston rod, release is transferred rapidly then, makes directly hammering anvil block of stake tube, and hammer force is passed to the stake point, makes the sharp injection soil of stake.
4. according to hammering scheme in the described stake of claim 2, it is characterized in that described from hammering device at least by upper and lower slotting tube, be welded in the anvil block of inserting the tube end, be connected in down the interior guide cylinder of inserting the tube top, place the piston rod composition in the upper and lower slotting tube.
5. described from hammering device according to claim 4, it is characterized in that the inboard outside, upper end with interior guide cylinder, lower end of inserting tube all is provided with slip ring, going up on the guide cylinder inserted the relative slip freely with interior guide cylinder of tube in assurance was enclosed within.
6. according to hammering scheme in claim 2, the 4 described stakes, it is characterized in that the cylinder body of described piston rod and piston rod are rigidly connected with upper and lower slotting tube respectively, control the relative position of upper and lower slotting tube by piston rod.
7. according to hammering scheme in claim 2, the 4 described stakes, it is characterized in that top stake tube and bottom stake tube insert respectively on the cushion pad that all is sitting in after upper and lower slotting on the anvil piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014827 CN1920184A (en) | 2005-08-24 | 2005-08-24 | Self-hammering piling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014827 CN1920184A (en) | 2005-08-24 | 2005-08-24 | Self-hammering piling method |
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| Publication Number | Publication Date |
|---|---|
| CN1920184A true CN1920184A (en) | 2007-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014827 Pending CN1920184A (en) | 2005-08-24 | 2005-08-24 | Self-hammering piling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425166A (en) * | 2011-09-09 | 2012-04-25 | 苏州力高建筑工程技术有限公司 | Novel pile driving method and equipment for foundation construction treatment |
| CN102605782A (en) * | 2012-03-14 | 2012-07-25 | 荣德宪 | Piling equipment for underwater earth anchors |
| CN102733428A (en) * | 2012-07-04 | 2012-10-17 | 天津原位物探科技有限公司 | HL type high-strain pile-trialing method hammering system |
| CN106498945A (en) * | 2016-11-25 | 2017-03-15 | 中铁大桥局集团有限公司 | A kind of taper pile construction system, pile feeding device and taper pile construction method under water |
| CN114592517A (en) * | 2022-03-21 | 2022-06-07 | 浙江大学 | Pile body dead weight hammering construction process with enlarged pile shoe |
-
2005
- 2005-08-24 CN CN 200510014827 patent/CN1920184A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425166A (en) * | 2011-09-09 | 2012-04-25 | 苏州力高建筑工程技术有限公司 | Novel pile driving method and equipment for foundation construction treatment |
| CN102605782A (en) * | 2012-03-14 | 2012-07-25 | 荣德宪 | Piling equipment for underwater earth anchors |
| CN102605782B (en) * | 2012-03-14 | 2015-07-01 | 荣德宪 | Piling equipment for underwater earth anchors |
| CN102733428A (en) * | 2012-07-04 | 2012-10-17 | 天津原位物探科技有限公司 | HL type high-strain pile-trialing method hammering system |
| CN102733428B (en) * | 2012-07-04 | 2015-05-06 | 天津原位物探科技有限公司 | HL type high-strain pile-trialing method hammering system |
| CN106498945A (en) * | 2016-11-25 | 2017-03-15 | 中铁大桥局集团有限公司 | A kind of taper pile construction system, pile feeding device and taper pile construction method under water |
| CN114592517A (en) * | 2022-03-21 | 2022-06-07 | 浙江大学 | Pile body dead weight hammering construction process with enlarged pile shoe |
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Open date: 20070228 |