CN107012859A - Carbon steel coil stake - Google Patents
Carbon steel coil stake Download PDFInfo
- Publication number
- CN107012859A CN107012859A CN201710433667.4A CN201710433667A CN107012859A CN 107012859 A CN107012859 A CN 107012859A CN 201710433667 A CN201710433667 A CN 201710433667A CN 107012859 A CN107012859 A CN 107012859A
- Authority
- CN
- China
- Prior art keywords
- straight type
- guide pipe
- extension tube
- carbon steel
- straight
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/56—Screw piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/22—Placing by screwing down
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of stake of carbon steel coil, including guide pipe, the lower end of the guide pipe has ramp type wedge angle, at least two rotors is sequentially provided with along the axis of the guide pipe, using welding or bolt connection between the rotor and the guide pipe；The guide pipe is straight type guide pipe；The carbon steel coil stake also includes at least one straight type extension tube, and the lower end of the straight type extension tube is provided with straight type adapter sleeve, and the lower end of the straight type adapter sleeve has bellmouth, and the upper end of the straight type extension tube has socket.The big many of cross sectional dimensions due to rotor than guide pipe, adds the contact area with soil, makes the bearing capacity enhancing of the present invention；Fixing soil between two rotors, plays a part of stable carbon steel screw pile, therefore, bearing capacity of the invention and uplift force ratio are high with the existing foundation pile of size.
Description
Technical field
The present invention relates to a kind of basic pile pipe, specifically a kind of carbon steel coil stake with rotor.
Background technology
At present, the basic species of engineering field is a lot, mainly there is concrete foundation and prefabricated pile basis.Concrete foundation one
As ground is excavated using large area, then make reinforced concrete foundation, spend substantial amounts of man power and material, and construction period and
The concrete curing phase is all longer；Prefabricated pile basis includes concrete-pile and piling bar, is directly hammered onto it using special piling machine
In soil, although this method short construction period, but the engineering equipment used is huge, during construction to the destruction of surrounding environment compared with
Greatly, the noise produced during piling is very big, and the current whole society is to environmental requirement more and more higher, the side for prefabricated pile of being constructed using piling machine
Method is gradually decreased.
Difficult and cycle length the difficulty of foundation construction in order to solve engineering field, employs rotation mode by foundation pile spinning
To soil, ground surface environment is not destroyed, construction noise is not produced, have obvious progress than traditional paddle type mill.In order to meet
The demand of engineering field foundation construction, draws the experience of external rotating basis stake, we are carried out on the basis of existing foundation pile
Improve, the form of construction work that makes it preferably be satisfied with rotation.
The content of the invention
According to technical problem set forth above, and provide a kind of carbon steel coil stake.
The technological means that the present invention is used is as follows：
A kind of carbon steel coil stake, it is characterised in that：Including guide pipe, the lower end of the guide pipe has ramp type wedge angle,
At least two rotors are sequentially provided with along the axis of the guide pipe, using welding or bolt between the rotor and the guide pipe
Connection；
The guide pipe is straight type guide pipe；
The carbon steel coil stake also includes at least one straight type extension tube, and the lower end of the straight type extension tube connects provided with straight type
Female connector, the lower end of the straight type adapter sleeve has bellmouth, and the upper end of the straight type extension tube has socket；
When the number of the straight type extension tube is equal to 1, the straight type guide pipe upper end is held with the straight type adapter sleeve
Mouth connection, and by bolt conjunction；
When the number of the straight type extension tube is more than 1, the straight type guide pipe upper end and the first straight type extension tube lower end of section
Straight type adapter sleeve bellmouth connection, and by bolt closing, by the straight type extension positioned at bottom between adjacent straight type extension tube
The socket of pipe is connected with the bellmouth of the straight type adapter sleeve of superposed straight type extension tube lower end, and by bolt conjunction.
Distance positioned at the straight uppermost rotor of type guide pipe apart from the straight type guide pipe upper end is more than or equal to
3500mm；Positioned at the straight nethermost rotor of type guide pipe apart from the end of the ramp type wedge angle be guide pipe external diameter+
150mm。
The total length of the carbon steel coil stake is 1500-30000mm；
The straight type guide pipe and the external diameter of the straight type extension tube are 70-1200mm, and length is 3000-
9000mm, wall thickness is 4-20mm；
The length of the straight type adapter sleeve is 400-800mm, and wall thickness is 4-20mm；
The excircle configuration face of the rotor is than the high 100-600mm of outer wall of the straight type guide pipe, the thickness of the rotor
For 8-30mm；
The rotor helically rises shape, and spiral number of turns are 1 circle.
The straight type extension tube is welded with the straight type adapter sleeve.
Using engineering equipment by carbon steel coil stake spinning to soil, carbon steel coil stake is stayed in soil as equipment or structure
The basis of part, realizes mechanized construction.In work progress, the head of engineering equipment drives carbon steel coil stake to rotate, while to
Carbon steel coil stake applies downward pressure, and rotor gives birth to downward thrust in soil transfer movable property, and carbon steel coil stake is in pressure and spiral shell
Under the collective effect for revolving thrust, carbon steel coil stake runs downwards in soil, progressed into soil.
Engineering equipment installation detecting device, during carbon steel coil pile driving construction, passes through detection arrangement monitors rotation torque
Numerical value, the size of carbon steel coil pile bearing capacity is extrapolated according to the change of torque value.
According to the size of foundation bearing capacity, based on the single-column carbon steel coil stake being relatively large in diameter；Also may be selected by
Based on the branched less carbon steel coil stake composition clump of piles of diameter；It also may be selected to be relatively large in diameter carbon steel coil stake and diameter be smaller
Carbon steel coil stake composition an assorted size clump of piles based on.
After the completion of the stake of single-column carbon steel coil or construction of pile groups, pile body of the height not less than 300mm will be left on ground, is exceeded
Pile body cutting it is smooth, pile body is welded on basic chassis, basic chassis reception device or component；Or utilize carbon steel coil stake
Top pile body makes small-size concrete basis, for setting foundation bolt.
Different according to the Impact direction of equipment or component, carbon steel coil stake can be constructed into ground into required angle
Degree.
Compared with prior art, the big many of cross sectional dimensions due to rotor than guide pipe, adds the contact with soil
Area, makes the bearing capacity enhancing of the present invention；Fixing soil between two rotors, plays a part of stable carbon steel screw pile, therefore,
The bearing capacity and uplift force ratio of the present invention is high with the existing foundation pile of size.
Based on carbon steel coil stake is entered its spinning in soil by engineering equipment, such as power Transmission shaft tower, street lamp
And the basis such as Sign Board bar, solar components bar, line holder, factory chimney support and cable trough support, especially apply in spy
Different sensitizing range, such as can not large area excavate regional, narrow and small construction area and pond waters, the frozen soil layer in winter use carbon steel
It is with the obvious advantage based on screw pile.
The present invention can be widely popularized in fields such as Building technologies for the foregoing reasons.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to do simply to introduce, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the space structure schematic diagram of the embodiment medium carbon steel screw pile of the present invention.
Fig. 2 is the front view of the embodiment medium carbon steel screw pile of the present invention.
Fig. 3 is Fig. 2 top view.
Fig. 4 is the front view of straight type extension tube in embodiment of the invention.
Fig. 5 is Fig. 4 top view.
Fig. 6 is the front view of rotor in embodiment of the invention.
Fig. 7 is Fig. 6 top view.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Example：Application of the carbon steel coil stake on national grid power tower foundation.
As shown in figs. 1-7, the newly-built three bases 220KV double backs high tension electric tower engineering of national grid, electric 30 meters of tower height degree, Mei Ge electricity
Tower includes 4 column foots, it is necessary to make 4 column foot bases, and engineering makes 12 identical column foot bases altogether.
Engineering includes column foot foundation construction, the electric tower of assembling and sets up wire etc., if using concrete foundation construction technology,
Excavate, compile the needs such as reinforcing bar, casting cement and health at least 30 days, will be unable to complete this engineering on schedule by this progress.
If being used as electric tower foundation, according to screw pile job specfication, preparation, engineering equipment before construction from carbon steel coil stake
Debugging and pile body construction, the duration only needs 8 days, fully meets national grid construction period, and can also save substantial amounts of manpower and
Material resources.
According to both the above foundation construction project plan comparison, we finally select carbon steel coil stake and make electric tower foundation.
According to the requirement of the bearing capacity of electric tower foundation and uplift force, we by the basic engineering into the stake of single-column carbon steel coil,
Carbon steel coil stake total length 10.7m, is saved straight type extension tube 3 and is constituted, straight type is led by a straight type guide pipe 1 of section, three rotors 2 and one
It is 324mm to the external diameter of pipe 1 and straight type extension tube 3.
The place plane of ramp type wedge angle 4 of the straight lower end of type guide pipe 1 is with the angle of the axis of straight type guide pipe 1 in 45 °；Three
The number of turns of individual rotor 2 is 1 circle, and the difference in height of the top 21 of rotor 2 and terminal 22 is 150mm, positioned at the straight type guide pipe 1 most
The top 21 of following rotor 2 is apart from the end 474mm of the ramp type wedge angle 4, and the spacing of two neighboring rotor 2 is
2743mm, rotor 2 is welded on straight type guide pipe 1；The lower end of straight type extension tube 3 is provided with straight type adapter sleeve 5, the straight type extension
Pipe 3 is welded with the straight type adapter sleeve 5.
Directly the material of type guide pipe 1, straight type extension tube 3, straight type adapter sleeve 5 and rotor 2 is made from Q275 steel plates, table
Face carries out galvanizing anti-corrosion.
Carbon steel coil stake key dimension is as follows：
Straight type guide pipe 1：External diameter 324mm, wall thickness 13mm, length 6100mm, quantity 12；
Straight type extension tube 3：External diameter 324mm, wall thickness 13mm, length 5233mm, quantity 12；
Straight type adapter sleeve 5：External diameter 355mm, wall thickness 13mm, length 673mm, quantity 12；
Rotor 2：External diameter 960mm, wall thickness 19mm, internal diameter 324mm, quantity 36.
Bolt 6：M64 × 370mm, 6.8 grades of galvanized bolts, 52 sets of quantity.
A diameter of 67mm of straight type guide pipe 1 and the upper bolt hole 7 of straight type adapter sleeve 5.
Geological prospecting is carried out to job site first, depth of exploration is 20m.The disclosed stratum of drilling is to banket except top
Outside, the predominantly the 4th is that Holocene series rushes diluvial formation, and 5 engineering geology layers are divided altogether from top to bottom by Characteristics of Geotechnical Engineering, existing
Division from top to bottom：
1st laminin is banketed (Q4ml), 0.30~1.20m of thickness.
2nd layer of silty clay (Q4al), 1.90~6.30m of thickness.
3rd layer of silty clay (Q4al), 0.50~5.00m of thickness.
4th layer of round gravel (Q3al+pl), 10.10~14.50m of thickness.
5th layer of severely-weathered migmatitic granite (Ar), maximum gauge 1.20m.
Result explanation is surveyed, the geological conditions is adapted to the construction of carbon steel coil stake.
It is about 12-18 meters to survey soil thickness, is below lithosphere, according to bearing capacity and uplift force requirement, every carbon steel
Screw pile needs to squeeze into 9-10 meters of depth of subsurface.
In work progress, using similar to the same engineering equipment of excavator, equipment self-weight is not less than 45t, this equipment
Carbon steel coil stake rotation can be allowed to apply pressure to carbon steel coil stake again.Engineering equipment installation detecting device, in carbon steel coil stake
In work progress, by detection arrangement monitors rotation torque numerical value, carbon steel coil pile is extrapolated according to the change of torque value
Carry the size of power.
Straight type guide pipe 1 is inserted in the rotating head of engineering equipment first, is fixed with 4 M64 bolts 6, is rotated
Head uses fluid motor-driven, drives straight type guide pipe 1 to rotate, when straight type guide pipe 1 is spun to subsurface 5m, ground
Upper remaining 1m is more, and now screen display pile body carrying is inadequate.In order to increase the bearing capacity and uplift force of pile body, it is necessary to which straight type is oriented to
Pipe 1 is connected with straight type extension tube 3, the total length of increase carbon steel coil stake.By the straight upper end of type guide pipe 1 and straight type adapter sleeve 5
Bellmouth is connected, and is formed a whole, is now inserted the upper end of straight type extension tube 3 in rotating head with 4 connections of M64 bolts 6
Blending bolt 6 is fixed, then is driven by rotating head, and pile body continues to be spun in soil, until computer shows that torque value is met
Untill fundamental importance, illustrate the requirement for bearing capacity that this branch carbon steel coil stake has reached, now pile body there remains 0.9m on the ground.
The ground remainder of pile body is cut into height 0.3m from the ground with instrument, then pile body and sole plate is welded
It is connected together, such lower margin basis completes.
4 lower margin bases are made with same method, the basis of the electric tower of a base is completed.
Other two bases electric tower foundation is made with same procedure, so far three base electric tower foundations are fully completed.
After after testing, the bearing capacity on the lower margin basis of this three base electricity tower reaches design requirement.
Electric tower lower margin is installed in carbon steel coil pile foundation, continues to assemble electric tower and stringing.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (4)
1. a kind of carbon steel coil stake, it is characterised in that：Including guide pipe, the lower end of the guide pipe has ramp type wedge angle, edge
The axis of the guide pipe is sequentially provided with least two rotors, is connected between the rotor and the guide pipe using welding or bolt
Connect；
The guide pipe is straight type guide pipe；
The carbon steel coil stake also includes at least one straight type extension tube, and the lower end of the straight type extension tube is connected provided with straight type
Set, the lower end of the straight type adapter sleeve has bellmouth, and the upper end of the straight type extension tube has socket；
When the number of the straight type extension tube is equal to 1, the straight type guide pipe upper end and the bellmouth of the straight type adapter sleeve connect
Connect, and by bolt conjunction；
When the number of the straight type extension tube is more than 1, the straight type guide pipe upper end is straight with the first straight type extension tube lower end of section
The bellmouth connection of type adapter sleeve, and by bolt closing, by the straight type extension tube positioned at bottom between adjacent straight type extension tube
Socket is connected with the bellmouth of the straight type adapter sleeve of superposed straight type extension tube lower end, and by bolt conjunction.
2. carbon steel coil stake according to claim 1, it is characterised in that：Positioned at the straight uppermost rotor of type guide pipe
Distance apart from the straight type guide pipe upper end is more than or equal to 3500mm；Positioned at the straight nethermost rotor distance of type guide pipe
The end of the ramp type wedge angle is guide pipe external diameter+150mm.
3. the carbon steel coil stake according to right wants 1 or 2, it is characterised in that the total length of the carbon steel coil stake is 1500-
30000mm；
The straight type guide pipe and the external diameter of the straight type extension tube are 70-1200mm, and length is 3000-9000mm, wall
Thickness is 4-20mm；
The length of the straight type adapter sleeve is 400-800mm, and wall thickness is 4-20mm；
The excircle configuration face of the rotor is than the high 100-600mm of outer wall of the straight type guide pipe, and the thickness of the rotor is 8-
30mm；
The rotor helically rises shape, and spiral number of turns are 1 circle.
4. the carbon steel coil stake according to right wants 3, it is characterised in that the straight type extension tube is welded with the straight type adapter sleeve
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433667.4A CN107012859A (en) | 2017-06-09 | 2017-06-09 | Carbon steel coil stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433667.4A CN107012859A (en) | 2017-06-09 | 2017-06-09 | Carbon steel coil stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107012859A true CN107012859A (en) | 2017-08-04 |
Family
ID=59452697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710433667.4A Pending CN107012859A (en) | 2017-06-09 | 2017-06-09 | Carbon steel coil stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107012859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200248424A1 (en) * | 2019-02-05 | 2020-08-06 | Ojjo, Inc. | Truss foundations with improved corrosion resistance and related systems, methods and machines |
| US20200313602A1 (en) * | 2018-09-05 | 2020-10-01 | Ojjo, Inc. | Optimized truss foundations, adapters for optimized truss foundations, and related systems and methods |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205134308U (en) * | 2015-07-31 | 2016-04-06 | 瀚川基业（北京）科技有限公司 | Revolve and twist piling bar that creeps into |
| CN205242427U (en) * | 2015-10-30 | 2016-05-18 | 瀚川基业（北京）科技有限公司 | Novel iron tower basis |
| CN106284306A (en) * | 2016-09-29 | 2017-01-04 | 固远晨通科技发展有限公司 | Piling bar is strengthened in a kind of spliced spin without spoir |
| CN106703025A (en) * | 2017-02-27 | 2017-05-24 | 河南省交通规划设计研究院股份有限公司 | Spiral pile and construction method thereof |
| CN206873443U (en) * | 2017-06-09 | 2018-01-12 | 希姆莱斯（大连）科技有限公司 | Carbon steel coil stake |
-
2017
- 2017-06-09 CN CN201710433667.4A patent/CN107012859A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205134308U (en) * | 2015-07-31 | 2016-04-06 | 瀚川基业（北京）科技有限公司 | Revolve and twist piling bar that creeps into |
| CN205242427U (en) * | 2015-10-30 | 2016-05-18 | 瀚川基业（北京）科技有限公司 | Novel iron tower basis |
| CN106284306A (en) * | 2016-09-29 | 2017-01-04 | 固远晨通科技发展有限公司 | Piling bar is strengthened in a kind of spliced spin without spoir |
| CN106703025A (en) * | 2017-02-27 | 2017-05-24 | 河南省交通规划设计研究院股份有限公司 | Spiral pile and construction method thereof |
| CN206873443U (en) * | 2017-06-09 | 2018-01-12 | 希姆莱斯（大连）科技有限公司 | Carbon steel coil stake |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200313602A1 (en) * | 2018-09-05 | 2020-10-01 | Ojjo, Inc. | Optimized truss foundations, adapters for optimized truss foundations, and related systems and methods |
| US11606059B2 (en) * | 2018-09-05 | 2023-03-14 | Ojjo, Inc. | Optimized truss foundations, adapters for optimized truss foundations, and related systems and methods |
| US20200248424A1 (en) * | 2019-02-05 | 2020-08-06 | Ojjo, Inc. | Truss foundations with improved corrosion resistance and related systems, methods and machines |
| US11536001B2 (en) * | 2019-02-05 | 2022-12-27 | Ojjo, Inc. | Truss foundations with improved corrosion resistance and related systems, methods and machines |
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| CB03 | Change of inventor or designer information |
Inventor after: Yu Yifei Inventor before: Yu Pei |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180522 Address after: 116000 4-1-901, B3, Xinghai Plaza, Shahekou District, Dalian, Liaoning. Applicant after: Yu Yifei Address before: 116000 room 506, three three building, 929 south-west mouth, Shahekou District, Liaoning, China Applicant before: SEAMLESS (DALIAN) TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170804 |
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