CN209162815U - A kind of Screw Pile and its construction tool - Google Patents
A kind of Screw Pile and its construction tool Download PDFInfo
- Publication number
- CN209162815U CN209162815U CN201821456479.XU CN201821456479U CN209162815U CN 209162815 U CN209162815 U CN 209162815U CN 201821456479 U CN201821456479 U CN 201821456479U CN 209162815 U CN209162815 U CN 209162815U
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- CN
- China
- Prior art keywords
- drilling rod
- reinforcement cage
- steel reinforcement
- concrete column
- concrete
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Screw Pile and its construction tool, which includes concrete column and steel reinforcement cage, and steel reinforcement cage runs through the axial centre of concrete column, and the surrounding of concrete column is completely or partially equipped with the screw thread of protrusion.The construction tool includes drilling machine and pump machine, the drilling machine includes power head, drilling rod and steel reinforcement cage, the power head is located at drilling rod close to top position, power head can drive drilling rod to rotate, the axial centre of the drilling rod offers channel, the top of the drilling rod is connected with high-voltage tube by rotary joint, and the high-voltage tube is connected to the channel in drilling rod, and the other end of the high-voltage tube connects pump machine.The utility model significantly improves bearing capacity, while saving material, artificial, so that project cost be made to be greatly lowered, also accelerates construction speed.
Description
Technical field
The utility model relates to a kind of Screw Pile and its construction tools, belong to civil construction technical field.
Background technique
In city is built, the foundation engineering of complex geologic conditions is inevitably encountered, especially for Muddy Bottoms
The soil layers such as clay, cohesive soil, silt, sand and gravelly soil, collapsible loess, thicker back fill course, quicksand, boulder bed, underground
Its geological conditions abundant of water electrode, difficulty of construction is big.
Utility model content
To solve the above problems, the utility model discloses a kind of Screw Pile and its construction tools, specific
Technical solution is as follows:
A kind of Screw Pile, the Screw Pile are cast in below ground, including concrete column and steel reinforcement cage, and the steel reinforcement cage runs through
The axial centre of concrete column, the steel reinforcement cage is cast in concrete column, seamless applying, and the surrounding of the concrete column is whole
Or part is equipped with the screw thread of protrusion, the screw thread and concrete column are integrally formed.
The bottom end of the concrete column is in cone shape.
The concrete column lower part is surrounded by the continuous screw thread of protrusion.
A kind of construction tool of Screw Pile, including drilling machine and pump machine, the drilling machine include power head, drilling rod and steel reinforcement cage,
The power head is located at drilling rod close to top position, and power head can drive drilling rod to rotate, and the axial centre of the drilling rod opens up
There is channel, the top of the drilling rod is connected with high-voltage tube by rotary joint, and the high-voltage tube is connected to the channel in drilling rod, institute
State the other end connection pump machine of high-voltage tube.
Vibrating tube is connected at the top of the steel reinforcement cage, vibrating tube is connect with vibrator；
In use, vibrator is lifted by crane by hoist cable, steel reinforcement cage suspention is got up, during steel reinforcement cage decline, is vibrated.
The bottom of the drilling rod is arranged to cone shape, and the surrounding in cylindrical shape surrounding and drilling rod bottom is set
It is equipped with external screw thread；
Grout outlet is provided between externally threaded screw thread, the grout outlet tilts counterclockwise.Drilling rod drills downwards Shi Weishun
Hour hands rotation can effectively prevent grout outlet to exist when being promoted after drilling is complete for rotation, the inclined direction of grout outlet counterclockwise
It is blocked when drilling rod bores downwards by soil.
The beneficial effects of the utility model are:
The utility model not only combines the high feature of the full spiral prefabricated pile intensity of steel fiber reinforced concrete, also combines spiral
The convenient feature of filling pile construction.Compared with drive precast piles, Screw Pile has construction noise low, without friction, to having constructed
Stake without influence the features such as；Screw Pile due to pile body surrounded surface is threaded, pore-forming when without mudcake, stake end is applied without sediment
It can effectively prevent the generation of collapse hole, broken pile, undergauge and other issues during work.Screw Pile can be shown compared with other types stake
It writes and improves bearing capacity, while saving material, artificial, so that project cost be made to be greatly lowered, also accelerate construction speed.
Detailed description of the invention
Fig. 1 is the Screw Pile structural schematic diagram of the utility model,
Fig. 2 is the construction process figure of the utility model, and work progress successively proceeds to (d) from (a) in figure,
Reference signs list: 1- power head, 2- high-voltage tube, 3- concrete pump, 4- nature ground, 5- drilling rod, 6- at
Straight section, the top 8- Soft Soil Layer, the lower part 9- hard stratum after stake rear thread section, 7- pile, 10- hoist cable, 11- steel reinforcement cage, 12- vibration
Pipe, 13- vibrator.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate.It should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
Fig. 1 is the structural schematic diagram of the utility model, in conjunction with attached drawing as it can be seen that this Screw Pile, the Screw Pile are cast in ground
Hereinafter, including concrete column and steel reinforcement cage, the steel reinforcement cage runs through the axial centre of concrete column, and the steel reinforcement cage is cast in mixed
Seamless applying in solidifying earth pillar, the surrounding of the concrete column is completely or partially equipped with the screw thread of protrusion, the screw thread and concrete
Column is integrally formed.The utility model structure, the surface of screw thread, which is conducive to the utility model, can be stably fixed to below ground,
Axially and radially there is firm attachment force.
The bottom end of the concrete column is in cone shape.The bottom of cone shape is conducive to smoothly screw thread drilling ground downwards
Face.
The concrete column lower part is surrounded by the continuous screw thread of protrusion.Part surrounding is descended to have external screw thread, only with side
Just difficulty of processing and difficulty of construction are reduced, construction efficiency is improved.And on whole functional expression, influence is not very greatly,
It can satisfy requirement.And partially have screw thread under only having, it can satisfy the requirement of more different depths.
A kind of construction tool of Screw Pile, including drilling machine and pump machine, the drilling machine include power head 1, drilling rod 5 and steel reinforcement cage
11, the power head 1 is located at drilling rod 5 close to top position, and power head 1 can drive drilling rod 5 to rotate, the axial direction of the drilling rod 5
Center offers channel, and the top of the drilling rod is connected with high-voltage tube 2 by rotary joint, the high-voltage tube 2 in drilling rod 5
The other end of channel connection, the high-voltage tube 2 connects pump machine.Vibrating tube 12, vibrating tube 12 are connected at the top of the steel reinforcement cage
It is connect with vibrator 13；In use, vibrator is lifted by crane by hoist cable, steel reinforcement cage suspention is got up, it, will during steel reinforcement cage decline
It is vibrated.The screw thread hole that can drill out on the ground of this construction tool comes out, and while promoting drilling rod, towards in hole
Casting concrete, high-voltage tube 2 squeeze out the concrete being stirred from the channel of drilling rod.
The bottom of the drilling rod is arranged to cone shape, and the surrounding in cylindrical shape surrounding and drilling rod bottom is set
It is equipped with external screw thread；Grout outlet is provided between externally threaded screw thread.In drilling rod rotary course, external screw thread is conducive to encircle in soil
It opens.Concrete slurry is squeezed out from grout outlet by high pressure, is filled in the vertical drilling hole that drilling rod drills out.
A kind of construction method of Screw Pile, in conjunction with Fig. 2, including following operating procedure:
Step 1: setting drilling rod: the drilling rod axial centre of drilling machine offers channel, and bottom end is provided with drill bit, and the drill bit is in
The surrounding of conical by its shape, drilling rod is completely or partially provided with screw thread；
Step 2: positioning: according to construction site needs, setting the position of drilling, and mark, drilling-machine shifter is arrived
Label side, promotes drilling rod, allows the bottom drill bit alignment mark vertically downward of drilling rod；
Step 3: drilling: starting drilling machine, drilling rod rotates in the forward direction, and moves down in rotary course, predetermined until reaching
Depth；
Step 4: joints cement: the channel of drilling rod connects concrete pump 3, reversely rotates drilling rod 5, and drilling rod is to moving up
Dynamic, in moving process, concrete pump 3 is by the channel of the concrete conveyance being stirred to drilling rod, and concrete is in coagulation
It under the pressure and self gravitation effect of native delivery pump, flows out, is filled in the borehole, until drilling rod takes completely from the bottom in channel
Out, concrete is fully filled in drilling；
Step 5: it sinks to steel reinforcement cage: steel reinforcement cage being inserted in vibrating tube, and vertically downward sinks to steel reinforcement cage in drilling, until
The bottom of steel reinforcement cage reaches predeterminated position, and concrete circumference is enclosed in steel reinforcement cage surrounding, and after concrete is dry, formation is integrally poured
The Screw Pile built.
In conjunction with attached drawing 2 as it can be seen that Fig. 2 (a) is that direction drills below ground, 4 or less nature ground is got into the bottom of drilling rod.Figure
It is visible in 2(b), it is contemplated that the depth got into is located at lower part hard stratum 9, and drilling rod first passes around top Soft Soil Layer 8, then, enters
Lower part hard stratum 9, pile rear thread section 6 are located at lower part hard stratum 9, as it can be seen that drilling rod is promoted to 4, natural ground in Fig. 2 (c)
It sets, the straight section 7 after pile is located at top Soft Soil Layer 8.In Fig. 2 (d) as it can be seen that towards being also to be inserted into steel reinforcement cage in the Screw Pile solidified
11。
This construction method, it is easy to operate, after the completion of linking up, obtain the screw thread that the axial centre poured has steel reinforcement cage
Stake.
Technological means disclosed in the utility model is not limited to the technical means disclosed in the above technical means, also
Including technical solution consisting of any combination of the above technical features.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of Screw Pile, which is cast in below ground, it is characterised in that including concrete column and steel reinforcement cage, the steel
Through the axial centre of concrete column, the steel reinforcement cage is cast in concrete column muscle cage, and steel reinforcement cage and concrete seamless paste
It closes, the surrounding of the concrete column is completely or partially equipped with the external screw thread of protrusion, and the external screw thread and concrete column are integrally formed.
2. a kind of Screw Pile according to claim 1, it is characterised in that the bottom end of the concrete column is in cone shape.
3. a kind of Screw Pile according to claim 1, it is characterised in that the concrete column lower part is surrounded by protrusion
Continuous external screw thread.
4. a kind of construction tool of Screw Pile, it is characterised in that including drilling machine and pump machine, the drilling machine include power head, drilling rod and
Steel reinforcement cage, the power head are located at drilling rod close to top position, and power head can drive drilling rod to rotate, in the axial direction of the drilling rod
The heart offers channel, and the top of the drilling rod is connected with high-voltage tube by rotary joint, the channel in the high-voltage tube and drilling rod
The other end of connection, the high-voltage tube connects pump machine, the pump machine and prepared concrete grout material pond or concrete grout charging basket
Connection, for concrete slurry to be pumped into drilling rod.
5. a kind of construction tool of Screw Pile according to claim 4, it is characterised in that the top of the steel reinforcement cage connects
There is vibrating tube, vibrating tube is connect with vibrator；
In use, vibrator is lifted by crane by hoist cable, steel reinforcement cage suspention is got up, during steel reinforcement cage decline, is vibrated, is inserted into
To the axial centre for having poured the concrete column of solidification not yet.
6. a kind of construction tool of Screw Pile according to claim 4, it is characterised in that the bottom of the drilling rod is arranged to
Cone shape, and the surrounding in cylindrical shape surrounding and drilling rod bottom is provided with external screw thread；
Grout outlet is provided between externally threaded screw thread, grout outlet is tilted towards counter clockwise direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456479.XU CN209162815U (en) | 2018-09-06 | 2018-09-06 | A kind of Screw Pile and its construction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456479.XU CN209162815U (en) | 2018-09-06 | 2018-09-06 | A kind of Screw Pile and its construction tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209162815U true CN209162815U (en) | 2019-07-26 |
Family
ID=67330847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821456479.XU Expired - Fee Related CN209162815U (en) | 2018-09-06 | 2018-09-06 | A kind of Screw Pile and its construction tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209162815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183790A (en) * | 2018-09-06 | 2019-01-11 | 江苏兴厦建设工程集团有限公司 | A kind of Screw Pile and its construction tool and construction method |
-
2018
- 2018-09-06 CN CN201821456479.XU patent/CN209162815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183790A (en) * | 2018-09-06 | 2019-01-11 | 江苏兴厦建设工程集团有限公司 | A kind of Screw Pile and its construction tool and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20200906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |