CN203655190U - Hole cleaning equipment for cast-in-place bored pile - Google Patents
Hole cleaning equipment for cast-in-place bored pile Download PDFInfo
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- CN203655190U CN203655190U CN201320607982.1U CN201320607982U CN203655190U CN 203655190 U CN203655190 U CN 203655190U CN 201320607982 U CN201320607982 U CN 201320607982U CN 203655190 U CN203655190 U CN 203655190U
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Abstract
The utility model relates to the technical field of hole cleaning equipment and discloses hole cleaning equipment for a cast-in-place bored pile. The equipment comprises a bit for boring a cast-in-place pile, a rig rotary disk for rotating the bit and a centrifugal pump for pumping slurry containing boring dregs out of a pile hole through formation of negative pressure, wherein a hollow drill pipe is connected between the bit and the centrifugal pump, the rig rotary disk is arranged at the upper part of the drill pipe, and the centrifugal pump is connected with a slurry outlet pipe for leading out the slurry containing the boring dregs. The hole cleaning equipment for the cast-in-place bored pile adopts the centrifugal pump for producing the negative pressure for an inner cavity of the drill pipe, so that the slurry containing the boring dregs rises from the bottom of the pile hole via the inner cavity of the drill pipe to enter a settling pond, the slurry subjected to settlement passes through a slurry pond and flows into the pile hole through an overflow port, and the process is circulated, so that the hole cleaning effect is good, the hole cleaning time for the cast-in-place pile is greatly shortened, and in addition, the equipment is simple in structure, convenient to operate, simple to install and environment-friendly to construct.
Description
Technical field
The utility model relates to the technical field of hole equipment clearly, relates in particular to the clear hole of a kind of bored pile equipment.
Background technology
Increasing along with high-rise, super high rise building, the use of major diameter, super dark castinplace pile (referring to a castinplace pile of footpath φ >=1500mm, hole depth L >=50m) is more and more extensive, and it has, and drilling diameter is large, single pile single-column, single pile bearing capacity are large and the high feature of pile quality requirement.
In drilling pouring pile hole work progress, bottom, stake hole can produce a large amount of boring muds, if boring mud is got rid of not in time, can have a strong impact on the rate of penetration of a machine, and too much boring mud is deposited on bottom, hole and also can directly affects the quality of castinplace pile, in practice of construction process, the general clear hole equipment that all utilizes carries out hole operation clearly to a stake hole for castinplace pile, to remove the boring mud at the bottom of a hole, hole.
In prior art, hole operation is clearly carried out in the stake hole of castinplace pile and generally adopt direct circulation and reverse circular technique.
Fig. 1 adopts the principle schematic of normal circulation technology to the clear hole of bored pile.As shown in Figure 1, Drilling by inverse circulation is " to drive drilling rod 6 " and drill bit 1 by the slewing equipment 7 of making a connection, and " the broken ground of revolution cutting, uses mud off, deslagging while creeping into; Mud by slush pump 5 inner chamber that " is input into drilling rod 6 " after, through drill bit 1 " grout outlet penetrate, drive boring mud to rise to aperture along drilling rod 6 " and annulus 2 " between hole wall and overflow in sedimentation basin 3 " then return to mud pit 4 " and purify, then for.Like this, mud iterative cycles operation between slush pump 5 ", drilling rod 6 ", stake hole and mud pit.
Fig. 2 adopts the principle schematic of reverse circular technique to the clear hole of bored pile.Drilling by circulation is that casing (its diameter is than stake large 15% left and right, footpath) is set at top; more than water level in casing exceeds nature groundwater table 2.0m; to guarantee that any part of hole wall all keeps hydrostatic pressure protection hole wall more than 0.02MPa not cave in, and does not need sleeve pipe while creeping into.As shown in Figure 2, when rig work, drill bit 1 " the broken ground of revolution cutting of rotating disc 7 " drive drilling rod 6 " end.At special purpose device 5, " under swabbing action; drilling rod 6 " inner chamber forms negative pressure state, the annulus 2 of mud liquid between drilling rod and hole wall " at the bottom of ostium; and carry the drilled ground boring mud coming that digs down; by drilling rod 1 " inner chamber returns to ground mud-settling pit 3 "; after boring mud precipitation, the mud liquid of purification is through mud pit 4 " to be formed and circulate return aperture in again.
Direct circulation turns into, mud traffic direction is from slush pump input drilling rod inner chamber, then drives boring mud to rise to mud pit along the annulus between drilling rod and hole wall, and upward velocity is slow, and the clear hole time is long, clearly hole weak effect.And anti-circulation cleaning hole needs special purpose device (containing gravel pump, vacuum tank, vacuum pump, vacuum hose, bosh etc.), equipment pipe laying complexity, execute-in-place is strongly professional, has certain difficulty.
Utility model content
The purpose of this utility model is to provide the clear hole of bored pile equipment, is intended to solve the problem of clear hole of the prior art device structure complexity, operation inconvenience, long, clear hole weak effect of clear hole time and the not environmental protection of constructing.
The utility model is to realize like this, the clear hole of a kind of bored pile equipment, comprise the drill bit for castinplace pile boring, for rotating the rig rotary disk of described drill bit, and by forming negative pressure, the mud that contains boring mud being detached to the centrifugal pump in a hole, the drilling rod that is connected with hollow between described drill bit and described centrifugal pump, described rig rotary disk is arranged at the top of described drilling rod, and described centrifugal pump is connected with the outlet pipe of deriving the mud that contains boring mud.
Further, a side in described stake hole be disposed with connection for the mud pit of accommodating mud with for separating of the sedimentation basin of boring mud, mud, described centrifugal pump is communicated with described sedimentation basin by described outlet pipe.
Further, described mud pit and described sedimentation basin are arranged on below ground, and described mud pit and described sedimentation basin are wholely set and separate by baffle plate.
Further, described baffle plate is provided with the filter opening for mud circulation.
Further, described mud pit is provided with overfall, and mud flows in described stake hole along described overfall.
Further, described drilling rod bottom is provided with stock inlet, and mud is entered in the chamber of described drilling rod by described stock inlet.
Compared with prior art, the clear hole of the bored pile equipment the utility model proposes has adopted centrifugal pump, utilizes centrifugal pump to produce negative pressure to drilling rod inner chamber, makes the mud that contains boring mud rise and enter sedimentation basin through stake bar inner chamber from bottom, stake hole, mud liquid through precipitation flows into stake hole through mud pit by overfall, so circulation, clear hole is effective, the clear hole time of greatly saving castinplace pile, device structure is simple simultaneously, easy to operate, construction environmental protection is installed simply.
Accompanying drawing explanation
Fig. 1 is the principle schematic of available technology adopting normal circulation technology to the clear hole of bored pile;
Fig. 2 is the principle schematic of available technology adopting reverse circular technique to the clear hole of bored pile;
Fig. 3 is the structural representation of the clear hole of the bored pile equipment that provides of the utility model embodiment when in running order.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
As shown in Figure 3, the preferred embodiment providing for the utility model.
In construction site, often need to construct major diameter, super dark castinplace pile, in drilling pouring pile hole process, a large amount of boring muds can be precipitated in the bottom in stake hole, and the clear hole of the bored pile equipment that the present embodiment provides is removed the boring mud of bottom, stake hole for boring procedure.
The clear hole of bored pile equipment in the present embodiment comprises drill bit 1, rig rotary disk 7, centrifugal pump 5, drill bit 1 cuts broken ground while boring for castinplace pile, rig rotary disk 7 is for driving drill bit 1 rotary cutting, and centrifugal pump 5 is for making the mud that contains boring mud detach a hole by forming negative pressure.Drill bit 1 is connected with the end of the inner drilling rod 6 for hollow structure, the other end of drilling rod 6 is directly connected with centrifugal pump 5, meanwhile, the rig rotary disk 7 that drives drilling rod 6 and drill bit 1 to rotate is installed on the drilling rod below centrifugal pump 5, meanwhile, on centrifugal pump 5, be also connected with outlet pipe 8.
Utilize above-mentioned clear hole equipment to carry out hole clearly to castinplace pile, it has following characteristics:
1), use after centrifugal pump 5, mud can obtain larger upward velocity at drilling rod 6 inner chambers, hole speed is fast, effective clearly, the clear hole time of having saved castinplace pile, has greatly improved unit efficiency of construction;
2), use after centrifugal pump 5, the boring muds such as the coarse granule in mud can be discharged from time, reduce boring mud repetitive cycling and entered a hole, and mud property improves, clear hole is effective, the acceptance on examination testing result of loosing core shows, use behind the clear hole of centrifugal pump 5, pile body hole subdrilling slag is all more greatly lower than designing and code requirement;
3), treatment process is simple, while adopting above-mentioned clear hole equipment to carry out clearly hole to castinplace pile, only need to be in mud circulating system in outlet pipe 8 one end access centrifugal pumps 5 above the ground, in other end access sedimentation basin 3, can realize screenings and separate, its treatment process is simple;
4), centrifugal pump 5 volumes are little, floor space is little, installs simply, service ability is strong, cost performance is high, centrifugal pump 5 is directly installed on to the top of drilling rod 6, utilizes centrifugal pump to cause drilling rod 6 inner chamber negative pressure, forms mud circulation, has simplified the structure, easy to operate of equipment.
In the present embodiment, above-mentioned outlet pipe 8 extends in the sedimentation basin 3 for separating of boring mud, mud, is communicated with the mud pit 4 for accommodating mud in a side of sedimentation basin 3, and this mud pit is communicated with above-mentioned stake hole by overfall 41 on one side.
In order to reduce equipment volume, above-mentioned mud pit 4 and sedimentation basin 3 integrated setting, at below ground, separate by baffle plate 9 in the middle of this mud pit and sedimentation basin, and this baffle plate is provided with filter opening, the filter opening here can allow mud circulate, but stops the boring mud in sedimentation basin to enter mud pit.
The bottom of the drilling rod 6 in above-mentioned is provided with stock inlet, and the mud that contains boring mud of bottom, stake hole enters the inner chamber of drilling rod 6 by this stock inlet.
The course of work of above-mentioned clear hole equipment is as follows:
When rig work, rig rotary disk 7 drives the drill bit 1 of drilling rod 6 and drill rod end to rotate, when drill bit 1 turns round, cut broken ground and produce boring mud, centrifugal pump 5 is worked simultaneously, the turbine rotation of this centrifugal pump inside diminishes its internal pressure, thereby cause pressure in drilling rod chamber to diminish, under atmospheric effect, in drilling rod 6 chambeies, form negative pressure state, negative pressure rises the mud liquid of drilling rod inner chamber, simultaneously the mud in mud pit 4 mixes with boring mud flow into a hole, hole from the annular gap 2 between drilling rod 6 and stake hole hole wall at the bottom of, the mud that boring mud is contained in bottom, stake hole also rises and enters centrifugal pump 5 turbine parts in the stock inlet of drilling rod 6 enters drilling rod 6 chambeies, then enter in underground sedimentation basin 3 through outlet pipe 8, the mud that contains boring mud is after precipitation, enter in mud pit 4 through baffle plate 9, enter again in a hole and form and circulate through overfall 41 afterwards, thereby realizing boring mud in stake hole is constantly drawn out of.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. the clear hole of a bored pile equipment, it is characterized in that, comprise the drill bit for castinplace pile boring, for rotating the rig rotary disk of described drill bit, and by forming negative pressure, the mud that contains boring mud being detached to the centrifugal pump in a hole, the drilling rod that is connected with hollow between described drill bit and described centrifugal pump, described rig rotary disk is arranged at the top of described drilling rod, and described centrifugal pump is connected with the outlet pipe of deriving the mud that contains boring mud.
2. the clear hole of bored pile as claimed in claim 1 equipment, it is characterized in that, one side in described stake hole be disposed with connection for the mud pit of accommodating mud with for separating of the sedimentation basin of boring mud, mud, described centrifugal pump is communicated with described sedimentation basin by described outlet pipe.
3. the clear hole of bored pile as claimed in claim 2 equipment, is characterized in that, described mud pit and described sedimentation basin are arranged on below ground, and described mud pit and described sedimentation basin are wholely set and separate by baffle plate.
4. the clear hole of bored pile as claimed in claim 3 equipment, is characterized in that, described baffle plate is provided with the filter opening for mud circulation.
5. the clear hole of the bored pile equipment as described in claim 2 to 4 any one, is characterized in that, described mud pit is provided with overfall, and mud flows in described stake hole along described overfall.
6. the clear hole of the bored pile equipment as described in claim 1 to 4 any one, is characterized in that, described drilling rod bottom is provided with stock inlet, and mud is entered in the chamber of described drilling rod by described stock inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607982.1U CN203655190U (en) | 2013-09-29 | 2013-09-29 | Hole cleaning equipment for cast-in-place bored pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607982.1U CN203655190U (en) | 2013-09-29 | 2013-09-29 | Hole cleaning equipment for cast-in-place bored pile |
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| CN203655190U true CN203655190U (en) | 2014-06-18 |
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| CN201320607982.1U Expired - Fee Related CN203655190U (en) | 2013-09-29 | 2013-09-29 | Hole cleaning equipment for cast-in-place bored pile |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196471A (en) * | 2014-08-25 | 2014-12-10 | 北京南车时代机车车辆机械有限公司 | Roof bolt drilling machine |
| CN106149681A (en) * | 2016-08-30 | 2016-11-23 | 泰昌建设有限公司 | Combined type pile foundation construction treatment of the earth and combined type pile foundation construction process |
| CN107575249A (en) * | 2017-10-31 | 2018-01-12 | 河南理工大学 | A kind of high-pressure slurry wall protecting method and device |
| CN107761717A (en) * | 2016-08-15 | 2018-03-06 | 中国二十冶集团有限公司 | The construction method of sand content in mud is controlled in filling pile construction |
| CN107905231A (en) * | 2017-11-29 | 2018-04-13 | 浙江新中环建筑设计有限公司 | A kind of stake holes surface dust borehole cleaning equipment and the stake holes surface dust processing method using the equipment |
| CN108825154A (en) * | 2018-07-10 | 2018-11-16 | 中铁局集团第二工程有限公司 | Mechanical piling mud circulating system and construction method in hole |
| CN109505542A (en) * | 2018-12-27 | 2019-03-22 | 深圳市工勘岩土集团有限公司 | Drill sealing mud pit |
| CN109882097A (en) * | 2019-03-14 | 2019-06-14 | 博建建工有限公司 | A kind of hole-drilling system of cast-in-situ bored pile |
| CN109930620A (en) * | 2019-02-25 | 2019-06-25 | 上海智平基础工程有限公司 | The construction method of water-stop curtain pile foundation and pile foundation unit is built using waste mud |
| CN110159186A (en) * | 2019-05-24 | 2019-08-23 | 中国建筑第五工程局有限公司 | Slurry drilled pile drilling construction method |
| CN111560950A (en) * | 2020-04-20 | 2020-08-21 | 中铁十二局集团有限公司 | Pile hole forming method for cast-in-place pile |
| CN111706276A (en) * | 2020-06-24 | 2020-09-25 | 中建四局土木工程有限公司 | Gas lift slag-returning pore-forming construction method |
| CN112412368A (en) * | 2020-12-15 | 2021-02-26 | 中国铁路设计集团有限公司 | Hole bottom slag removal device and method based on cavitation effect reverse circulation |
| CN112502614A (en) * | 2020-12-07 | 2021-03-16 | 黄河勘测规划设计研究院有限公司 | Reverse seepage flow wall protection process for loose stratum pipe well construction |
| CN112576210A (en) * | 2020-12-15 | 2021-03-30 | 中铁北京工程局集团有限公司 | Clear hole device of drilling bored concrete pile |
| CN113174943A (en) * | 2021-04-13 | 2021-07-27 | 三峡大学 | Rotary drilling type sand pumping pore-forming side wall high-pressure grouting device and construction method |
| CN113187381A (en) * | 2021-03-19 | 2021-07-30 | 中基发展建设工程有限责任公司 | High-water-length spiral well forming construction process |
| CN113216298A (en) * | 2021-06-16 | 2021-08-06 | 江西中恒地下空间科技有限公司 | Bored pile pore-forming soil body excavation device |
| CN113585992A (en) * | 2021-07-22 | 2021-11-02 | 深圳市工勘岩土集团有限公司 | Pump suction reverse circulation drilling structure of super-thick covering layer large-diameter rock-socketed cast-in-place pile |
| CN113585993A (en) * | 2021-07-22 | 2021-11-02 | 深圳市工勘岩土集团有限公司 | Drilling and hole-cleaning pile-forming method for super-thick covering layer large-diameter rock-socketed cast-in-place pile |
| CN113638706A (en) * | 2021-07-22 | 2021-11-12 | 深圳市工勘岩土集团有限公司 | Pile-forming construction equipment for large-diameter rock-socketed cast-in-place pile with super-thick covering layer |
| CN113738294A (en) * | 2021-09-30 | 2021-12-03 | 浙江易通特种基础工程股份有限公司 | Pore-forming device of full hydraulic drilling machine and construction method thereof |
| CN113775307A (en) * | 2021-09-02 | 2021-12-10 | 中国煤炭地质总局水文地质局 | Drilling mud liquid cooling device and drilling system |
| CN114351747A (en) * | 2022-01-19 | 2022-04-15 | 中国建筑第六工程局有限公司 | Valley land hard rock geological pile foundation construction device and use method thereof |
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| CN115288139A (en) * | 2022-08-03 | 2022-11-04 | 中化学建设投资集团有限公司 | Clear hole system of mud for bored concrete pile construction |
-
2013
- 2013-09-29 CN CN201320607982.1U patent/CN203655190U/en not_active Expired - Fee Related
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| CN104196471A (en) * | 2014-08-25 | 2014-12-10 | 北京南车时代机车车辆机械有限公司 | Roof bolt drilling machine |
| CN107761717A (en) * | 2016-08-15 | 2018-03-06 | 中国二十冶集团有限公司 | The construction method of sand content in mud is controlled in filling pile construction |
| CN106149681A (en) * | 2016-08-30 | 2016-11-23 | 泰昌建设有限公司 | Combined type pile foundation construction treatment of the earth and combined type pile foundation construction process |
| CN107575249A (en) * | 2017-10-31 | 2018-01-12 | 河南理工大学 | A kind of high-pressure slurry wall protecting method and device |
| CN107905231B (en) * | 2017-11-29 | 2019-11-12 | 浙江新中环建筑设计有限公司 | A kind of stake holes surface dust borehole cleaning equipment and the stake holes surface dust processing method using the equipment |
| CN107905231A (en) * | 2017-11-29 | 2018-04-13 | 浙江新中环建筑设计有限公司 | A kind of stake holes surface dust borehole cleaning equipment and the stake holes surface dust processing method using the equipment |
| CN108825154A (en) * | 2018-07-10 | 2018-11-16 | 中铁局集团第二工程有限公司 | Mechanical piling mud circulating system and construction method in hole |
| CN109505542A (en) * | 2018-12-27 | 2019-03-22 | 深圳市工勘岩土集团有限公司 | Drill sealing mud pit |
| CN109930620A (en) * | 2019-02-25 | 2019-06-25 | 上海智平基础工程有限公司 | The construction method of water-stop curtain pile foundation and pile foundation unit is built using waste mud |
| CN109882097A (en) * | 2019-03-14 | 2019-06-14 | 博建建工有限公司 | A kind of hole-drilling system of cast-in-situ bored pile |
| CN110159186A (en) * | 2019-05-24 | 2019-08-23 | 中国建筑第五工程局有限公司 | Slurry drilled pile drilling construction method |
| CN111560950A (en) * | 2020-04-20 | 2020-08-21 | 中铁十二局集团有限公司 | Pile hole forming method for cast-in-place pile |
| CN111706276A (en) * | 2020-06-24 | 2020-09-25 | 中建四局土木工程有限公司 | Gas lift slag-returning pore-forming construction method |
| CN112502614A (en) * | 2020-12-07 | 2021-03-16 | 黄河勘测规划设计研究院有限公司 | Reverse seepage flow wall protection process for loose stratum pipe well construction |
| CN112412368A (en) * | 2020-12-15 | 2021-02-26 | 中国铁路设计集团有限公司 | Hole bottom slag removal device and method based on cavitation effect reverse circulation |
| CN112576210A (en) * | 2020-12-15 | 2021-03-30 | 中铁北京工程局集团有限公司 | Clear hole device of drilling bored concrete pile |
| CN113187381B (en) * | 2021-03-19 | 2023-11-21 | 中基发展建设工程有限责任公司 | High-water-level long-spiral well formation construction process |
| CN113187381A (en) * | 2021-03-19 | 2021-07-30 | 中基发展建设工程有限责任公司 | High-water-length spiral well forming construction process |
| CN113174943A (en) * | 2021-04-13 | 2021-07-27 | 三峡大学 | Rotary drilling type sand pumping pore-forming side wall high-pressure grouting device and construction method |
| CN113174943B (en) * | 2021-04-13 | 2022-06-21 | 三峡大学 | Rotary drilling type sand pumping pore-forming side wall high-pressure grouting device and construction method |
| CN113216298A (en) * | 2021-06-16 | 2021-08-06 | 江西中恒地下空间科技有限公司 | Bored pile pore-forming soil body excavation device |
| CN113585993A (en) * | 2021-07-22 | 2021-11-02 | 深圳市工勘岩土集团有限公司 | Drilling and hole-cleaning pile-forming method for super-thick covering layer large-diameter rock-socketed cast-in-place pile |
| CN113638706A (en) * | 2021-07-22 | 2021-11-12 | 深圳市工勘岩土集团有限公司 | Pile-forming construction equipment for large-diameter rock-socketed cast-in-place pile with super-thick covering layer |
| CN113585992A (en) * | 2021-07-22 | 2021-11-02 | 深圳市工勘岩土集团有限公司 | Pump suction reverse circulation drilling structure of super-thick covering layer large-diameter rock-socketed cast-in-place pile |
| CN113775307A (en) * | 2021-09-02 | 2021-12-10 | 中国煤炭地质总局水文地质局 | Drilling mud liquid cooling device and drilling system |
| CN113738294A (en) * | 2021-09-30 | 2021-12-03 | 浙江易通特种基础工程股份有限公司 | Pore-forming device of full hydraulic drilling machine and construction method thereof |
| CN114351747B (en) * | 2022-01-19 | 2023-08-04 | 中国建筑第六工程局有限公司 | Mountain land hard rock geological pile foundation construction device and application method thereof |
| CN114351747A (en) * | 2022-01-19 | 2022-04-15 | 中国建筑第六工程局有限公司 | Valley land hard rock geological pile foundation construction device and use method thereof |
| CN115142420A (en) * | 2022-08-03 | 2022-10-04 | 中化学建设投资集团有限公司 | Piling device capable of separating silt |
| CN115288139A (en) * | 2022-08-03 | 2022-11-04 | 中化学建设投资集团有限公司 | Clear hole system of mud for bored concrete pile construction |
| CN115142420B (en) * | 2022-08-03 | 2023-12-22 | 中化学建设投资集团有限公司 | Pile driving device capable of separating sediment |
| CN115288139B (en) * | 2022-08-03 | 2023-12-22 | 中化学建设投资集团有限公司 | Mud hole cleaning system for cast-in-place pile construction |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20180929 |