CN103628480A - Construction method and device for guide displacement pressure precast pile - Google Patents
Construction method and device for guide displacement pressure precast pile Download PDFInfo
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- CN103628480A CN103628480A CN201210308211.2A CN201210308211A CN103628480A CN 103628480 A CN103628480 A CN 103628480A CN 201210308211 A CN201210308211 A CN 201210308211A CN 103628480 A CN103628480 A CN 103628480A
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Abstract
The invention discloses a construction method and device for a guide displacement pressure precast pile. The construction device comprises a spiral drill power head (1), a soil outlet (2), a multi-functional pile hammer (3), a pile driver (4), a chuck (5), a long spiral drilling tool (7), a precast pile bottom (8), a drill bit (9) and a spiral piece (10), wherein the drill bit (9) is a diameter-expanded drill bit. In the construction process, the drill bit (9) can expand outwards to spirally cut off the soil on the lower portion of the precast pile; after the construction, the drill bit (9) contracts so as to draw back smoothly. Because the construction method and device are adopted for construction, construction programs are simple, and the construction can be smoothly carried out on a hard stratum with great hardness.
Description
Technical field
The present invention relates to a kind of pressure construction of prefabricated piles method and apparatus, be specifically related to a kind of construction sequence simple, construction of prefabricated piles method and apparatus is pressed in the guide's casting that can construct on the larger hardpan of hardness.
Background technology
Traditional construction of prefabricated piles method is greater than 30 and during above hardpan meeting with N value, its construction technical method that need to adopt and the economic benefit that can obtain are inversely proportional to often, drop into greatly and income is very little, especially when running into fine and close sand, layer of gravel, strong-weathered rock soil layer, often feel simply helpless, cannot carry out construction operation at all.
Summary of the invention
For the problems referred to above, main purpose of the present invention is to provide a kind of construction sequence simple, and construction of prefabricated piles method and apparatus is pressed in the guide's casting that can construct on the larger hardpan of hardness.
The present invention solves above-mentioned technical problem by following technical proposals: construction of prefabricated piles method is pressed in a kind of guide's casting, and (one), when for hollow preformed pile operation, its step comprises:
(1), pile driver is in place;
(2), with the chuck of multi-functional pile monkey bottom, preformed pile is clamped to align piles position;
(3), auger unit head, long screw auger tool, drill bit are passed from multi-functional pile monkey and hollow preformed pile center, make long screw auger tool and drill bit stretch out hollow preformed pile bottom;
(4), when drill bit arrives lower end, preformed pile bottom, under the drive of drive rod, drill bit is to peripheral expansion, then start auger unit head, drive long screw auger tool and drill bit to start to rotate downward cutting soil layer, the soil of preformed pile bottom is continuously discharged ground by hollow preformed pile center and soil outlet by the flight of long screw auger tool, and preformed pile is additionally exerted pressure under acting in conjunction at long screw auger tool, multi-functional pile monkey, self combination weight and a stake machine, arrive the position that design is demarcated;
(5), step (4) afterwards, by drive rod, drive drill bit to shrink, get back to original state, be pulled out immediately outside stake;
(2), when for solid preformed pile operation, its step comprises:
(1), pile driver is in place;
(2), auger unit head, long screw auger tool and drill bit align piles position;
(3), under the drive of drive rod, drill bit, to peripheral expansion, then starts auger unit head, drives long screw auger tool and drill bit to start to rotate downward cutting soil layer; Along with drill bit constantly cuts soil layer, the soil of preformed pile bottom is successively discharged ground by the flight of long screw auger tool, when reaching design, demarcates after the degree of depth, extracts long screw auger tool and drill bit;
(4), with the chuck of multi-functional pile monkey bottom, preformed pile is clamped and aims at the pile foundation hole of having accomplished fluently, preformed pile is additionally exerted pressure under acting in conjunction at long screw auger tool, multi-functional pile monkey, self combination weight and a stake machine, arrives the position that design is demarcated;
(5), unclamp chuck, complete preformed pile pressing pile construction.
Construction of prefabricated piles device is pressed in a kind of guide's casting, comprise auger unit head, soil outlet, multi-functional pile monkey, pile driver, chuck, long screw auger tool, at the bottom of preformed pile, drill bit, flight, described auger unit head is arranged on described pile driver, and described multi-functional pile monkey is arranged on the lower end of auger unit head, and the lower end of described multi-functional pile monkey is provided with chuck, described long screw auger tool is arranged on auger unit head, in the lower end of described long screw auger tool, drill bit is installed, and at the external surface of described long screw auger tool, is provided with flight.
In specific embodiments of the invention, described drill bit is diameter-enlarging drill bit, comprise outside framework, lever arm, hinge, knife rest, alloy blade, target seeker, drive rod, described outside framework is arranged on the lower end of described long screw auger tool, a plurality of lever arm chain connections are on outside framework, described knife rest is connected with lever arm by hinge, on described knife rest, alloy blade is installed, described knife rest is comprised of a plurality of knife rest bars, the bottom of described a plurality of knife rest bars is also connected through the hinge together, described drive rod is connected between outside framework and the bottom of knife rest, described target seeker is arranged on the bottom of drive rod.
In specific embodiments of the invention, preformed pile clamps by chuck and is vertical state.
Positive progressive effect of the present invention is: construction of prefabricated piles method and apparatus is pressed in a kind of guide's casting provided by the invention, while adopting this construction method construction, because there being auger unit head to drive long screw auger tool, bit boring to carry out guide, and the soil getting out can be smoothly through the flight on long screw auger tool surface and discharge, and this construction method can realize on the larger hardpan of hardness and successfully press construction of prefabricated piles.Adopt the method and install when carrying out the construction of hollow preformed pile, because its drill bit is diameter-enlarging drill bit, when boring, by drive rod, shrink, realize hole enlargement, thereby the soil cutting of hollow pile bottom is discharged, make preformed pile bottom residual without any soil body, when reaching the predetermined design degree of depth, drive rod extends, and drill bit shrinks, and facilitates drill bit to extract in hollow preformed pile, thereby quickening construction progress, improves efficiency of construction.
Accompanying drawing explanation
Fig. 1 is construction equipment schematic diagram of the present invention;
Schematic diagram when Fig. 2 is diameter-enlarging drill bit contraction of the present invention;
Fig. 3 is the schematic diagram of diameter-enlarging drill bit of the present invention while opening;
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, to describe technical scheme of the present invention in detail.Fig. 1 is construction equipment schematic diagram of the present invention, and Fig. 2 is diameter-enlarging drill bit of the present invention schematic diagram while shrinking, and Fig. 3 is the schematic diagram of diameter-enlarging drill bit of the present invention while opening.
As shown in Figure 1, construction of prefabricated piles device is pressed in a kind of guide's casting, comprise auger unit head 1, soil outlet 2, multi-functional pile monkey 3, pile driver 4, chuck 5, long screw auger tool 7, at the bottom of preformed pile 8, drill bit 9, flight 10, auger unit head 1 is arranged on pile driver 4, multi-functional pile monkey 3 is arranged on the lower end of auger unit head 1, and the lower end of multi-functional pile monkey 3 is provided with chuck 5, and long screw auger tool 7 is arranged on auger unit head 1, in the lower end of long screw auger tool 7, drill bit 9 is installed, at the external surface of long screw auger tool 7, is provided with flight 10.
Drill bit 9 is diameter-enlarging drill bit, comprise outside framework 11, lever arm 12, hinge 13, knife rest 14, alloy blade 15, target seeker 16, drive rod 17, outside framework 11 is arranged on the lower end of long screw auger tool 7, a plurality of lever arm 12 chain connections are on outside framework 11, knife rest 14 is connected with lever arm 12 by hinge 13, alloy blade 15 is installed on knife rest 14, knife rest 14 is comprised of a plurality of knife rest bars, the bottom of a plurality of knife rest bars is also connected through the hinge together, drive rod 17 is connected between outside framework 11 and the bottom of knife rest 14, target seeker 16 is arranged on the bottom of drive rod 17.
When drill bit 9 is put into hollow preformed pile 6 centre bore, drill bit 9 is in contraction state, i.e. original state, as shown in Figure 2.When needs cut soil layer, drive rod 17 drives lever arm 12, hinge 13, knife rest 14 and alloy blade 15 to peripheral expansion, in deployed condition, as shown in Figure 3.
Preformed pile 6 clamps by chuck 5 and is vertical state, and when preformed pile 6 is hollow pile, long screw auger tool 7, drill bit 9 pass the hollow chamber of preformed pile, and drill bit 9 stretches out from the bottom of preformed pile 6.
When for hollow preformed pile operation, press construction of prefabricated piles step to comprise:
(1), pile driver 4 is in place;
(2), with the chuck 5 of multi-functional pile monkey 3 bottoms, preformed pile 6 is clamped to align piles position;
(3), auger unit head 1, long screw auger tool 7, drill bit 9 are passed from multi-functional pile monkey 3 and hollow preformed pile 6 centers, make long screw auger tool 7 and drill bit 9 stretch out hollow preformed pile 6 bottoms, extension elongation is determined according to stratum actual nature;
(4), when drill bit 9 arrives preformed pile 6 lower end, bottom, under the drive of drive rod 17, drill bit 9 is to peripheral expansion, then start auger unit head 1, drive long screw auger tool 7 and drill bit 9 to start to rotate downward cutting soil layer, the soil of preformed pile bottom is continuously discharged ground by hollow preformed pile 6 centers and soil outlet 2 by the flight 10 of long screw auger tool 7, and preformed pile 6 is additionally exerted pressure under acting in conjunction at long screw auger tool 7, multi-functional pile monkey 3, self combination weight and a stake machine, arrive the position that design is demarcated.
(5), afterwards, by drive rod 17, drive drill bit 9 to shrink, get back to original state, be pulled out outside stake immediately.
When for solid preformed pile operation, its step comprises:
(1), pile driver 4 is in place;
(2), auger unit head 1, long screw auger tool 7 and drill bit 9 align piles positions;
(3), under the drive of drive rod 17, drill bit 9, to peripheral expansion, then starts auger unit head 1, drives long screw auger tool 7 and drill bit 9 to start to rotate downward cutting soil layer; Along with drill bit 9 constantly cuts soil layer, the soil of preformed pile 6 bottoms is successively discharged ground by the flight 10 of long screw auger tool 7, when reaching design, demarcates after the degree of depth, extracts long screw auger tool 7 and drill bit 9;
(4), with the chuck 5 of multi-functional pile monkey 3 bottoms, preformed pile 6 is clamped and aims at the pile foundation hole of having accomplished fluently, preformed pile 6 is additionally exerted pressure under acting in conjunction at long screw auger tool 7, multi-functional pile monkey 3, self combination weight and a stake machine, arrives the position that design is demarcated;
(5), chuck 5 unclamps preformed pile 6, completes preformed pile pressing pile construction.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a construction of prefabricated piles method is pressed in guide's casting, it is characterized in that:
(1), when for hollow preformed pile operation, its step comprises:
(1), pile driver is in place;
(2), with the chuck of multi-functional pile monkey bottom, preformed pile is clamped to align piles position;
(3), auger unit head, long screw auger tool, drill bit are passed from multi-functional pile monkey and hollow preformed pile center, make long screw auger tool and drill bit stretch out hollow preformed pile bottom;
(4), when drill bit arrives lower end, preformed pile bottom, under the drive of drive rod, drill bit is to peripheral expansion, then start auger unit head, drive long screw auger tool and drill bit to start to rotate downward cutting soil layer, the soil of preformed pile bottom is continuously discharged ground by hollow preformed pile center and soil outlet by the flight of long screw auger tool, and preformed pile is additionally exerted pressure under acting in conjunction at long screw auger tool, multi-functional pile monkey, self combination weight and a stake machine, arrive the position that design is demarcated;
(5), step (4) afterwards, by drive rod, drive drill bit to shrink, get back to original state, be pulled out immediately outside stake;
(2), when for solid preformed pile operation, its step comprises:
(1), pile driver is in place;
(2), auger unit head, long screw auger tool and drill bit align piles position;
(3), under the drive of drive rod, drill bit, to peripheral expansion, then starts auger unit head, drives long screw auger tool and drill bit to start to rotate downward cutting soil layer; Along with drill bit constantly cuts soil layer, the soil of preformed pile bottom is successively discharged ground by the flight of long screw auger tool, when reaching design, demarcates after the degree of depth, extracts long screw auger tool and drill bit;
(4), with the chuck of multi-functional pile monkey bottom, preformed pile is clamped and aims at the pile foundation hole of having accomplished fluently, preformed pile is additionally exerted pressure under acting in conjunction at long screw auger tool, multi-functional pile monkey, self combination weight and a stake machine, arrives the position that design is demarcated;
(5), unclamp chuck, complete preformed pile pressing pile construction.
2. construction of prefabricated piles device is pressed in the guide's casting that implements the claims method described in 1, comprise auger unit head (1), soil outlet (2), multi-functional pile monkey (3), pile driver (4), chuck (5), long screw auger tool (7), at the bottom of preformed pile (8), drill bit (9), flight (10), it is characterized in that: described auger unit head (1) is arranged on described pile driver (4), described multi-functional pile monkey (3) is arranged on the lower end of auger unit head (1), and the lower end of described multi-functional pile monkey (3) is provided with chuck (5), described long screw auger tool (7) is arranged on auger unit head (1), in the lower end of described long screw auger tool (7), drill bit (9) is installed, external surface at described long screw auger tool (7) is provided with flight (10).
3. construction of prefabricated piles device is pressed in guide's casting according to claim 2, it is characterized in that: described drill bit (9) is diameter-enlarging drill bit, comprise outside framework (11), lever arm (12), hinge (13), knife rest (14), alloy blade (15), target seeker (16), drive rod (17), described outside framework (11) is arranged on the lower end of described long screw auger tool (7), a plurality of lever arms (12) chain connection is on outside framework (11), described knife rest (14) is connected with lever arm (12) by hinge (13), alloy blade (15) is installed on described knife rest (14), described knife rest (14) is comprised of a plurality of knife rest bars, the bottom of described a plurality of knife rest bars is also connected through the hinge together, described drive rod (17) is connected between outside framework (11) and the bottom of knife rest (14), described target seeker (16) is arranged on the bottom of drive rod (17).
4. construction of prefabricated piles device is pressed in guide's casting according to claim 2, it is characterized in that, preformed pile (6) clamps by chuck (5) and is vertical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210308211.2A CN103628480A (en) | 2012-08-27 | 2012-08-27 | Construction method and device for guide displacement pressure precast pile |
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| CN201210308211.2A CN103628480A (en) | 2012-08-27 | 2012-08-27 | Construction method and device for guide displacement pressure precast pile |
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| CN201210308211.2A Pending CN103628480A (en) | 2012-08-27 | 2012-08-27 | Construction method and device for guide displacement pressure precast pile |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947685A (en) * | 2015-06-22 | 2015-09-30 | 郭永 | Pile driver tunneling system and foundation pit bracing technology adopting same |
| CN106013151A (en) * | 2015-03-25 | 2016-10-12 | 张继红 | Continuous pile wall construction method and construction device used for continuous pile wall construction method |
| CN108755686A (en) * | 2018-04-28 | 2018-11-06 | 嘉兴涌锦服饰有限公司 | The pile-driving system of piling machine |
| CN108914946A (en) * | 2018-08-17 | 2018-11-30 | 江苏科技大学 | A kind of prefabricated tubular pile sinking device and its construction method with telescoping reamer head |
| CN109056725A (en) * | 2017-03-08 | 2018-12-21 | 沈健龙 | A kind of expansion stake equipment that municipal works use |
| CN110093902A (en) * | 2019-06-18 | 2019-08-06 | 安徽聚源水利科技有限公司 | One kind inrushes Quick-action opening blocking-up device and method |
| CN110219585A (en) * | 2019-06-10 | 2019-09-10 | 王文昭 | A kind of direct current ground auger |
| CN110331717A (en) * | 2019-08-12 | 2019-10-15 | 三门峡丽源环保工程设备有限公司 | A kind of hollow drill backactor |
| CN110409461A (en) * | 2019-08-09 | 2019-11-05 | 广州市建筑科学研究院有限公司 | A kind of base pit stand construction based on assembled large-diameter tubular pile |
| CN112681314A (en) * | 2021-01-15 | 2021-04-20 | 肖建波 | Pile expanding equipment for municipal road and bridge engineering |
| CN115125942A (en) * | 2022-07-22 | 2022-09-30 | 广东省源天工程有限公司 | Steel-pipe pile foundation strengthening mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106013151A (en) * | 2015-03-25 | 2016-10-12 | 张继红 | Continuous pile wall construction method and construction device used for continuous pile wall construction method |
| CN104947685A (en) * | 2015-06-22 | 2015-09-30 | 郭永 | Pile driver tunneling system and foundation pit bracing technology adopting same |
| CN109056725A (en) * | 2017-03-08 | 2018-12-21 | 沈健龙 | A kind of expansion stake equipment that municipal works use |
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| CN108914946B (en) * | 2018-08-17 | 2020-05-22 | 江苏科技大学 | Prefabricated pipe pile sinking device with telescopic expanding bit and construction method thereof |
| CN108914946A (en) * | 2018-08-17 | 2018-11-30 | 江苏科技大学 | A kind of prefabricated tubular pile sinking device and its construction method with telescoping reamer head |
| CN110219585A (en) * | 2019-06-10 | 2019-09-10 | 王文昭 | A kind of direct current ground auger |
| CN110093902A (en) * | 2019-06-18 | 2019-08-06 | 安徽聚源水利科技有限公司 | One kind inrushes Quick-action opening blocking-up device and method |
| CN110409461A (en) * | 2019-08-09 | 2019-11-05 | 广州市建筑科学研究院有限公司 | A kind of base pit stand construction based on assembled large-diameter tubular pile |
| CN110331717A (en) * | 2019-08-12 | 2019-10-15 | 三门峡丽源环保工程设备有限公司 | A kind of hollow drill backactor |
| CN110331717B (en) * | 2019-08-12 | 2024-03-08 | 三门峡丽源环保工程设备有限公司 | Hollow drill rod excavating machine |
| CN112681314A (en) * | 2021-01-15 | 2021-04-20 | 肖建波 | Pile expanding equipment for municipal road and bridge engineering |
| CN115125942A (en) * | 2022-07-22 | 2022-09-30 | 广东省源天工程有限公司 | Steel-pipe pile foundation strengthening mechanism |
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Application publication date: 20140312 |
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