CN108825152A - A kind of deep-well is anti-to bury device and its method for construction - Google Patents
A kind of deep-well is anti-to bury device and its method for construction Download PDFInfo
- Publication number
- CN108825152A CN108825152A CN201810445150.1A CN201810445150A CN108825152A CN 108825152 A CN108825152 A CN 108825152A CN 201810445150 A CN201810445150 A CN 201810445150A CN 108825152 A CN108825152 A CN 108825152A
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- Prior art keywords
- standpipe
- steel pipe
- deep
- connection frame
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000035699 permeability Effects 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
A kind of deep-well is anti-to bury device and its method for construction, including standpipe and hang the water pump being located in standpipe, the nozzle position of the standpipe is equipped with one group of connection frame, and the mutual head and the tail interconnection of one group of connection frame rides upon on the nozzle of standpipe to constitute enclosed construction；Along the vertical direction at least provided with three steel pipes in the standpipe, and a steel pipe therein is equipped with high-pressure nozzle, described steel pipe one end is fixed on connection frame, the other end protrudes into riser interiors, the steel pipe shifts to install up and down between each other in the one end being located in standpipe, one group of permeability hole is offered on the outer wall of the standpipe, filter screen is arranged in the position for being located at permeability hole in the outside of the standpipe.The beneficial effects of the invention are as follows：It by being arranged more steel pipes in standpipe, and to carrying out rushing high pressure water in corresponding steel pipe, and draws water, so that the earthwork that will fall off in deep-well is purged, substantially increases the efficiency of removing, while also reducing the construction safety of construction personnel.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of deep-well is anti-to bury device and its side for construction
Method.
Background technique
At present in heavy duty service, the position that deep-well is generally arranged is lower, and the ground location on deep-well periphery is higher, this is just
Cause deep-well to be easy to be filled by the earthwork on ground, influence the normal operation of deep-well, is not arranged in the prior art a kind of effective
Device can carry out outlet to the soil side that falls into deep-well, to influence the quality of deep-well construction.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides design, reasonably a kind of deep-well is prevented burying device and its use
In the method for construction.
Technical scheme is as follows：
A kind of deep-well is anti-to bury device, which is characterized in that including standpipe and hangs the water pump being located in standpipe, the nozzle position of the standpipe
One group of connection frame is installed, the mutual head and the tail interconnection of one group of connection frame rides upon to constitute enclosed construction
On the nozzle of standpipe；Along the vertical direction at least provided with three steel pipes in the standpipe, and a steel pipe therein is equipped with high pressure
Spray head, described steel pipe one end are fixed on connection frame, and the other end protrudes into riser interiors, and the steel pipe is in the one end being located in standpipe
It shifts to install up and down between each other, one group of permeability hole is offered on the outer wall of the standpipe, the outside of the standpipe is being located at infiltration
Filter screen is arranged in the position of open-work.
A kind of deep-well is anti-to bury device, which is characterized in that the connection frame uses stretching structure, and the both ends of connection frame
It is movably connected with setting stabilizer blade, and is stuck on the outer wall with standpipe by stabilizer blade, is also set up on the connection frame for standpipe
The lighting device of interior lighting.
A kind of deep-well is anti-to bury device, which is characterized in that the connection frame is equipped with three, three connection frame head
Tail interconnection constitutes triangular structure, and the steel pipe is equipped with three altogether, and is separately fixed on three connection frames, the steel pipe
It is all made of segmented hollow structure, and the silk mouth by being arranged in its end is fixedly connected, the steel pipe is equipped with glimmering
The scale of light.
A kind of deep-well is anti-to bury device, which is characterized in that the outside of the steel pipe is equipped with one group of positioning ring, the steel
For pipe respectively along the circumference of positioning ring, the positioning ring outer sheath is equipped with rubber anti-collision layer.
A kind of deep-well is anti-to bury device, which is characterized in that connection setting cable, water pipe and hawser on the water pump,
The cable, water pipe and hawser ride upon on connection frame respectively.
A kind of deep-well is anti-to bury device, which is characterized in that the connection frame of the standpipe nozzle is equipped with steel plate nut cap.
A kind of deep-well is anti-bury device for construction method, which is characterized in that include the following steps：
1）Prepare before construction：Standpipe is inserted into shaft bottom first, connection frame head and the tail interconnection is being taken and is being located at the nozzle of standpipe
On, steel pipe is being protruded into riser interiors, steel pipe upper end is being fixed on and is correspondingly connected on frame, and so that steel pipe bottom end is misplaced up and down and sets
It sets；Wherein a steel pipe is connected with high-pressure pump, and other steel pipes are connected with water plug respectively, finally hangs water pump by hawser and sets
In riser interiors corresponding position；
2）The output of underground water：The underground water of riser interiors is extracted out by water pump；
3）The output of the earthwork：First the steel pipe for being connected to high-pressure pump is rinsed the earthwork of riser bottom by high-pressure pump, and
Shaft bottom forms mud；It is taken out in the steel pipe by being connected to water plug by mud of the water plug to corresponding position in standpipe
Out；
4）Construction is completed.
A kind of anti-application method for burying device of deep-well, which is characterized in that the step 1）Middle steel pipe needs first to exist
Ground carries out assembly, and reaches corresponding length.
A kind of anti-application method for burying device of deep-well, which is characterized in that the step 3）In with water plug phase
In blocking, can wash by water steel pipe even cleaning into steel pipe.
A kind of anti-application method for burying device of deep-well, which is characterized in that the step 3）In mud is taken out
When out, extracted out using sequence of the steel pipe of water plug in standpipe from high to low is connected to.
The beneficial effects of the invention are as follows：
1）It by being arranged more steel pipes in standpipe, and to carrying out rushing high pressure water in corresponding steel pipe, and draws water, thus will
The earthwork fallen in deep-well is purged, and substantially increases the efficiency of removing, while also reducing the construction peace of construction personnel
Entirely.
2）By that steel pipe and water pump can be hung and are located in standpipe in riser top three connection frames of setting, connection frame phase
It joins end to end between mutually, constitutes triangular structure, ride upon standpipe nozzle, improve the stability of connection, and being capable of the company of preventing
Connect frame landing.
3）Positioning ring is set on steel pipe, ensure that the stability between steel pipe, while it is mutual also to prevent steel pipe fitting from occurring
Collision；Positioning ring setting can also the inner wall to standpipe effectively supported, improve standpipe inner wall support intensity, prevent
Standpipe collapses.
4）Steel pipe is spliced using segmentation structure, improves its versatility；And scale is set on steel pipe, it can facilitate
Observation of the construction personnel to water level depth in well；Steel pipe is shifted to install protruding into one end in standpipe or more, can be to different height
Degree water level extract out.
5）Stabilizer blade is arranged in connection frame both ends, and is stuck on standing tube outer wall by stabilizer blade, improves the stabilization that connection frame is set up
Property is arranged lighting device on connection frame, illuminates to riser interiors, improves the device and works at night ability.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is that connection frame of the invention sets up structural schematic diagram；
Fig. 3 is the structural schematic diagram of steel pipe of the invention
In figure；1- standpipe, 2- connection frame, 3- steel pipe, 31- mouths, 4- stabilizer blade, 5- filter screen, 6- permeability hole, 7- high-pressure nozzle,
8- water pump, 9- positioning ring, 10- cable, 11- water pipe, 12- hawser, 13- lighting device.
Specific embodiment
Below in conjunction with Figure of description, the invention will be further described.
As shown in Figure 1-3, a kind of deep-well is anti-to bury device and its application method, including standpipe 1, connection frame 2, steel pipe 3, silk mouth
31, stabilizer blade 4, filter screen 5, permeability hole 6, high-pressure nozzle 7, water pump 8, positioning ring 9, cable 10, water pipe 11, hawser 12 and illumination dress
Set 13.
Water pump 8, which is hung, to be located in standpipe 1, and the nozzle position of standpipe 1 is equipped with one group of connection frame 2, and one group of connection frame 2 is mutual
Head and the tail interconnection rides upon on the nozzle of standpipe 1 to constitute enclosed construction；In standpipe 1 along the vertical direction at least provided with
Three steel pipes 3, and a steel pipe 3 therein is equipped with high-pressure nozzle 7,3 one end of steel pipe is fixed on connection frame 2, and the other end is stretched
Enter inside standpipe 1, steel pipe 3 shifts to install up and down between each other in the one end being located in standpipe 1, offers on the outer wall of standpipe 1
Filter screen 5 is arranged in the position for being located at permeability hole 6 in the outside of one group of permeability hole 6, standpipe 1.
Connection frame 2 uses stretching structure, and the both ends of connection frame 2 are movably connected with setting stabilizer blade 4, and pass through stabilizer blade 4
It is stuck in on the outer wall of standpipe 1, prevents connection frame from sliding, while ensure that the structural stability of this connection frame 2；Connection frame 2
On also set up for riser interiors illumination lighting device 13, guarantee the ability that the device carries on construction work at night.
Connection frame 2 is equipped with three, and three 2 head and the tail interconnections of connection frame constitute triangular structure, and steel pipe 3 is equipped with three altogether
Root, and be separately fixed on three connection frames 2, steel pipe 3 is all made of segmented hollow structure, and the silk by being arranged in its end
Mouthfuls 31 are fixedly connected, and when use can need to carry out any splicing according to physical length, substantially increase the general of steel pipe 3
Property；Steel pipe 3 is equipped with the scale with fluorescence, can observation in order to construction personnel to shaft bottom water level.
The outside of steel pipe 3 is equipped with one group of positioning ring 9, and steel pipe 3 along the circumference of positioning ring 9, is arranged on the outside of positioning ring 9 respectively
There is rubber anti-collision layer, positioning ring 9 also can effectively support standpipe 1 while guaranteeing stability between steel pipe 3, prevent
Standpipe collapses.
Connection setting cable 10, water pipe 11 and hawser 12, cable 10, water pipe 11 and hawser 12 ride upon respectively on water pump 8
On connection frame 2, it ensure that each section is interference-free.
The connection frame 2 of 1 nozzle of standpipe is equipped with steel plate nut cap, prevents soil to which 1 nozzle of standpipe is fallen into.
Step specific as follows：
1）Prepare before construction：Standpipe is inserted into shaft bottom first, 2 head and the tail interconnection of connection frame is being taken and is being located at the pipe of standpipe 1
It on mouth, is protruded into inside standpipe 1 by steel pipe 3, is fixed on 3 upper end of steel pipe and is correspondingly connected on frame 2, and make 3 bottom end of steel pipe or more
It shifts to install；Wherein a steel pipe 3 is connected with high-pressure pump, and other steel pipes 3 are connected with water plug respectively, finally leads to water pump 8
It crosses hawser 12 and hangs and be located at 1 inside corresponding position of standpipe；Wherein steel pipe 3 needs first to carry out on ground assembled, and reaches corresponding
Length.
2）The output of underground water：Underground water inside standpipe 1 is extracted out by water pump 8.
3）The output of the earthwork：First the steel pipe 3 for being connected to high-pressure pump rushes the earthwork of 1 bottom of standpipe by high-pressure pump
It washes, and forms mud in shaft bottom；In the steel pipe 3 by being connected to water plug by water plug to corresponding position in standpipe 1
Mud is extracted out；When being extracted out to mud, extracted out using sequence from high to low.
4）Construction is completed.
Wherein step 3）In the steel pipe 3 that is connected with water plug when blocking, can wash by water cleaning into steel pipe 3, guarantee steel
3 end of pipe it is unobstructed.
Claims (10)
1. a kind of deep-well is anti-to bury device, which is characterized in that including standpipe（1）And it hangs and is located at standpipe（1）Interior water pump（8）, described
Standpipe（1）Nozzle position be equipped with one group of connection frame（2）, one group of connection frame（2）Mutual head and the tail interconnection, thus
It constitutes enclosed construction and rides upon standpipe（1）Nozzle on；The standpipe（1）Inside along the vertical direction at least provided with three steel pipes
（3）, and a steel pipe therein（3）It is equipped with high-pressure nozzle（7）, the steel pipe（3）One end is fixed on connection frame（2）On, separately
Standpipe is protruded into one end（1）Inside, the steel pipe（3）It is being located at standpipe（1）Interior one end shifts to install up and down between each other, described
Standpipe（1）Outer wall on offer one group of permeability hole（6）, the standpipe（1）Outside be located at permeability hole（6）Position setting
Filter screen（5）.
2. a kind of deep-well is anti-according to claim 1 buries device, which is characterized in that described
Connection frame（2）Using stretching structure, and connection frame（2）Both ends be movably connected with setting stabilizer blade（4）, and pass through stabilizer blade
（4）It is stuck in and standpipe（1）Outer wall on, the connection frame（2）On also set up for riser interiors illumination lighting device（13）.
3. a kind of deep-well according to claim 1 is anti-to bury device, which is characterized in that the connection frame（2）Equipped with three, institute
State three connection frames（2）Head and the tail interconnection constitutes triangular structure, the steel pipe（3）It is equipped with three altogether, and is separately fixed at
Three connection frames（2）On, the steel pipe（3）It is all made of segmented hollow structure, and the silk mouth by being arranged in its end（31）
It is fixedly connected, the steel pipe（3）It is equipped with the scale with fluorescence.
4. a kind of deep-well according to claim 1 or 3 is anti-to bury device, which is characterized in that the steel pipe（3）Outside be equipped with
One group of positioning ring（9）, the steel pipe（3）Respectively along positioning ring（9）Circumference on, the positioning ring（9）Outer sheath is equipped with rubber
Anticollision layer.
5. a kind of deep-well according to claim 1 is anti-to bury device, which is characterized in that the water pump（8）Upper connection setting electricity
Cable（10）, water pipe（11）And hawser（12）, the cable（10）, water pipe（11）And hawser（12）Connection frame is ridden upon respectively（2）
On.
6. a kind of deep-well according to claim 1 is anti-to bury device, which is characterized in that the standpipe（1）The connection frame of nozzle
（2）It is equipped with steel plate nut cap.
7. according to claim 1 a kind of -6 any deep-wells it is anti-bury device for construction method, which is characterized in that including
Following steps：
1）Prepare before construction：Standpipe is inserted into shaft bottom first, by connection frame（2）Head and the tail interconnection takes and is located at standpipe（1）
Nozzle on, by steel pipe（3）Protrude into standpipe（1）Inside makes steel pipe（3）Upper end, which is fixed on, is correspondingly connected with frame（2）On, and make steel
Pipe（3）Bottom end shifts to install up and down；Steel pipe（3）Wherein one is connected with high-pressure pump, other steel pipes（3）Respectively with water plug phase
Even, finally by water pump（8）Pass through hawser（12）It hangs and is located at standpipe（1）Internal corresponding position；
2）The output of underground water：By standpipe（1）Internal underground water passes through water pump（8）It is extracted out；
3）The output of the earthwork：The steel pipe of high-pressure pump will be first connected to（3）By high-pressure pump to standpipe（1）The earthwork of bottom is rushed
It washes, and forms mud in shaft bottom；In the steel pipe by being connected to water plug（3）By water plug to standpipe（1）Interior corresponding positions
The mud set is extracted out；
4）Construction is completed.
8. a kind of anti-application method for burying device of deep-well according to claim 6, which is characterized in that the step 1）Middle steel
Pipe（3）It needs first to carry out assembly on ground, and reaches corresponding length.
9. a kind of anti-application method for burying device of deep-well according to claim 6, which is characterized in that the step 3）In with
The connected steel pipe of water plug（3）It, can be to the steel pipe in blocking（3）Interior bath cleaning.
10. a kind of anti-application method for burying device of deep-well according to claim 6, which is characterized in that the step 3）In
When being extracted out to mud, using the steel pipe for being connected to water plug（3）In standpipe（1）Inside sequence extraction from high to low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810445150.1A CN108825152B (en) | 2018-05-10 | 2018-05-10 | Deep well anti-burying device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810445150.1A CN108825152B (en) | 2018-05-10 | 2018-05-10 | Deep well anti-burying device and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825152A true CN108825152A (en) | 2018-11-16 |
| CN108825152B CN108825152B (en) | 2024-01-02 |
Family
ID=64147822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810445150.1A Active CN108825152B (en) | 2018-05-10 | 2018-05-10 | Deep well anti-burying device and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825152B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130065A (en) * | 1998-10-23 | 2000-05-09 | Nishimatsu Constr Co Ltd | Construction method for vertical shaft |
| JP2004346709A (en) * | 2003-05-26 | 2004-12-09 | Shimizu Corp | Method for washing drilled wall for well |
| KR20070012867A (en) * | 2007-01-08 | 2007-01-29 | 주식회사 지앤지테크놀러지 | Groundwater well cleaning device and cleaning method using a synchro-rotator to apply pressure to the groundwater well wall |
| JP2008014108A (en) * | 2006-07-10 | 2008-01-24 | Kitanihon Boring:Kk | Water collecting pipe for well |
| CN104711994A (en) * | 2015-01-27 | 2015-06-17 | 江苏省华建建设股份有限公司 | Foundation pit deep well rainfall and plugging construction method |
| CN104775443A (en) * | 2015-04-28 | 2015-07-15 | 金中天集团建设有限公司 | Well point dewatering method and device |
| CA2881498A1 (en) * | 2015-02-09 | 2016-08-09 | Warren Wessel | A downhole pump flushing system and method of use |
| CN106088123A (en) * | 2016-08-16 | 2016-11-09 | 中国建筑第七工程局有限公司 | A kind of sand geology steel tube well fall water level device and construction method thereof |
| RU2606742C1 (en) * | 2016-03-14 | 2017-01-10 | Публичное акционерное общество "Татнефть" им. В.Д. Шашина | Method of well drilling |
| CN106869113A (en) * | 2017-03-06 | 2017-06-20 | 中铁建设集团有限公司 | A kind of circulating high pressure water clears up the device and method of pile tube stake holes |
| CN107489159A (en) * | 2017-08-03 | 2017-12-19 | 中国电建集团铁路建设有限公司 | Deep ＆ thick silt matter Soft Soil Layer vacuum tube well dewatering construction structure and its construction |
| CN107939317A (en) * | 2017-11-27 | 2018-04-20 | 山东省邱集煤矿 | Hydrology hole hole cleaning device and application method |
| CN208220690U (en) * | 2018-05-10 | 2018-12-11 | 歌山建设集团有限公司 | A kind of deep-well is anti-to bury device |
-
2018
- 2018-05-10 CN CN201810445150.1A patent/CN108825152B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130065A (en) * | 1998-10-23 | 2000-05-09 | Nishimatsu Constr Co Ltd | Construction method for vertical shaft |
| JP2004346709A (en) * | 2003-05-26 | 2004-12-09 | Shimizu Corp | Method for washing drilled wall for well |
| JP2008014108A (en) * | 2006-07-10 | 2008-01-24 | Kitanihon Boring:Kk | Water collecting pipe for well |
| KR20070012867A (en) * | 2007-01-08 | 2007-01-29 | 주식회사 지앤지테크놀러지 | Groundwater well cleaning device and cleaning method using a synchro-rotator to apply pressure to the groundwater well wall |
| CN104711994A (en) * | 2015-01-27 | 2015-06-17 | 江苏省华建建设股份有限公司 | Foundation pit deep well rainfall and plugging construction method |
| CA2881498A1 (en) * | 2015-02-09 | 2016-08-09 | Warren Wessel | A downhole pump flushing system and method of use |
| CN104775443A (en) * | 2015-04-28 | 2015-07-15 | 金中天集团建设有限公司 | Well point dewatering method and device |
| RU2606742C1 (en) * | 2016-03-14 | 2017-01-10 | Публичное акционерное общество "Татнефть" им. В.Д. Шашина | Method of well drilling |
| CN106088123A (en) * | 2016-08-16 | 2016-11-09 | 中国建筑第七工程局有限公司 | A kind of sand geology steel tube well fall water level device and construction method thereof |
| CN106869113A (en) * | 2017-03-06 | 2017-06-20 | 中铁建设集团有限公司 | A kind of circulating high pressure water clears up the device and method of pile tube stake holes |
| CN107489159A (en) * | 2017-08-03 | 2017-12-19 | 中国电建集团铁路建设有限公司 | Deep ＆ thick silt matter Soft Soil Layer vacuum tube well dewatering construction structure and its construction |
| CN107939317A (en) * | 2017-11-27 | 2018-04-20 | 山东省邱集煤矿 | Hydrology hole hole cleaning device and application method |
| CN208220690U (en) * | 2018-05-10 | 2018-12-11 | 歌山建设集团有限公司 | A kind of deep-well is anti-to bury device |
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| Publication number | Publication date |
|---|---|
| CN108825152B (en) | 2024-01-02 |
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