CN206917616U - A kind of auger stem - Google Patents

A kind of auger stem Download PDF

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Publication number
CN206917616U
CN206917616U CN201720346137.1U CN201720346137U CN206917616U CN 206917616 U CN206917616 U CN 206917616U CN 201720346137 U CN201720346137 U CN 201720346137U CN 206917616 U CN206917616 U CN 206917616U
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CN
China
Prior art keywords
drill body
hollow drill
tube wall
helical blade
grouting pipe
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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
Application number
CN201720346137.1U
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Chinese (zh)
Inventor
张腊琴
Original Assignee
张腊琴
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Filing date
Publication date
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Priority to CN201720346137.1U priority Critical patent/CN206917616U/en
Application granted granted Critical
Publication of CN206917616U publication Critical patent/CN206917616U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of auger stem, including:Hollow drill body, the bottom of the hollow drill body is in hatch frame, multiple drill bits are circumferentially provided with the bottom of the hollow drill body tube wall, the suspension slurry Grouting Pipe extended along its length is additionally provided with the tube wall of the hollow drill body, the suspension slurry Grouting Pipe extends downward into tube wall bottom, at least one in both at least one liquid outlets, the inner and outer wall of the hollow drill body is provided with the bottom of the suspension Grouting Pipe and is provided with helical blade above.The groove by the above-mentioned means, annular that the utility model is loosened the soil in advance by formation is loosened the soil, coordinates and injects suitable suspension slurry, and steel-pipe pile insertion is greatly lowered and extracts difficulty of construction, efficiency of construction height, surrounding enviroment are influenceed small.

Description

A kind of auger stem
Technical field
Technical field of building construction is the utility model is related to, more particularly to a kind of auger stem.
Background technology
With the continuous development of China's engineering construction, pattern foundation pit supporting structure largely occurs in engineering project, and turns into engineering In the significant problem that must solve.Base pit engineering technical scheme mainly from security reliability, economic rationality, difficulty of construction, apply Work duration etc. accounts for.
Steel-pipe pile have bearing capacity is big, seam safety, can flexible modulation stake it is long, it is easy for construction, repetition profit can be extracted after With the advantages that, be used widely in foundation pit supporting project.
At present, steel-pipe pile is all directly to be squeezed into piling machinery in soil layer in construction, and low construction efficiency, noise are big, steel Pile tube can form obvious soil plug effect, can be formed after increasing difficulty of construction, and steel pipe extraction in implantation and withdrawal process The larger hole for needing a large amount of earthen backfills, it is cumbersome.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of auger stem, by forming the annular loosened the soil in advance Loosen the soil groove, coordinates and injects suitable suspension slurry, and steel-pipe pile insertion is greatly lowered and extracts difficulty of construction, and efficiency of construction is high, Surrounding enviroment are influenceed small.
In order to solve the above technical problems, the technical scheme that the utility model uses is:A kind of auger stem is provided, wrapped Include:Hollow drill body, the bottom of the hollow drill body are in hatch frame, on the bottom of the hollow drill body tube wall Multiple drill bits are circumferentially provided with, the suspension slurry extended along its length is additionally provided with the tube wall of the hollow drill body Grouting Pipe, the suspension slurry Grouting Pipe extend downward into tube wall bottom, are provided with the bottom of the suspension Grouting Pipe At least one in both at least one liquid outlets, the inner and outer wall of the hollow drill body is provided with helical-blade above Piece.
In one preferred embodiment of the utility model, the upper end of the hollow drill body is connected with a rotation slip casting Joint, the upper end of the rotation filling adaptor are connected with unit head, and the rotation filling adaptor is connected with suspension slurry by pipeline Liquid transfer pump.
In one preferred embodiment of the utility model, check valve is provided with the liquid outlet.
In one preferred embodiment of the utility model, the drill bit uses alloy bit.
In one preferred embodiment of the utility model, the suspension Grouting Pipe is weldingly fixed on hollow drill body Individually it is provided with helical blade or inside and outside tube wall on outer tube wall, on the outer tube wall of the hollow drill body and is equipped with spiral Blade.
In one preferred embodiment of the utility model, the suspension Grouting Pipe is fixed on the inner tube of hollow drill body Individually it is provided with helical blade or inside and outside tube wall on wall, on the inner tubal wall of the hollow drill body and is provided with helical-blade Piece.
In one preferred embodiment of the utility model, the suspension Grouting Pipe is directly opened in hollow drill body Inside tube wall, on the outer tube wall on the inner tubal wall of the hollow drill body individually provided with helical blade or hollow drill body Individually it is provided with helical blade or inside and outside tube wall and is provided with helical blade.
The utility model has the advantages that:
1st, the annular that suitable size implantation steel-pipe pile is formed using special auger stem is loosened the soil groove, only need to apply smaller shake Dynamic, hammering or the smaller pressure of pile press machine are easy for construction ready for insertion into steel pipe;
2nd, by the advance loosening function of the annular groove that loosens the soil, while the suitable isolation slurries that suspend are added so that steel-pipe pile In implantation and withdrawal process, obvious soil plug effect is not formed, reduces difficulty of construction;
3rd, steel pipe will not form the larger hole for needing a large amount of earthen backfills after extracting;
4th, steel-pipe pile insertion is greatly lowered and extracts difficulty of construction, and greatly reduces when conventional steel pipe is extracted and brings two Influence of the secondary construction disturbance to surrounding enviroment, construction equipment is simple, and efficiency high, cost is low, surrounding enviroment is influenceed small.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Other accompanying drawings are obtained, wherein:
Fig. 1 is the structural representation of the preferred embodiment of auger stem one of the present utility model;
Fig. 2 is a step schematic diagrams in work progress of the present utility model;
Fig. 3 is the b step schematic diagram in work progress of the present utility model;
Fig. 4 is the step c schematic diagram in work progress of the present utility model;
Fig. 5 is the f step schematic diagrams in work progress of the present utility model;
The mark of each part is as follows in accompanying drawing:1st, hollow drill body, 2, hatch frame, 3, drill bit, 4, suspension slurry note Slurry pipe, 5, liquid outlet, 6, helical blade, 7, rotation filling adaptor, 8, unit head, 9, suspension slurry transfer pump, 10, construction working Groove, 11, annular loosen the soil groove, 12, undisturbed soil cylinder, 13, steel-pipe pile.
Embodiment
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described Embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on the implementation in the utility model Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.
Fig. 1 to Fig. 5 is referred to, the utility model embodiment includes:
Embodiment one:
A kind of auger stem, including:Hollow drill body 1, the bottom of the hollow drill body are in hatch frame 2, institute State and multiple drill bits 3 are circumferentially provided with the bottom of hollow drill body tube wall, it is preferred that the drill bit uses alloy bit.
The suspension slurry Grouting Pipe 4 extended along its length, institute are additionally provided with the tube wall of the hollow drill body State suspension slurry Grouting Pipe and extend downward into tube wall bottom, be provided with the bottom of the suspension Grouting Pipe it is at least one go out At least one in both liquid mouths 5, the inner and outer wall of the hollow drill body is provided with helical blade 6 above.
The upper end of the hollow drill body is connected with a rotation filling adaptor 7(Rotation filling adaptor is a kind of existing Technology, here is omitted for concrete structure), the upper end of the rotation filling adaptor is connected with unit head 8, and the rotation slip casting connects Head is connected with suspension slurry transfer pump 9 by pipeline.
In use, unit head 8 drives hollow drill body to rotate punching, because the bottom of hollow drill body is in opening knot Structure 2, therefore, an annular can be formed and loosened the soil groove, the soil body that annular is loosened the soil inside groove digs pine by helical blade, partly by spiral to On take out of, the annular groove that loosens the soil is internally formed undisturbed soil cylinder, is crept into rotation, while according to the different soil properties such as sandy soil, clay The soil body, suitable suspension slurry is injected in loosening the soil groove to annular by suspension slurry Grouting Pipe, avoids the soil body from precipitating, reduce pine Native effect;
For drilling to after designed elevation, drilling rod is exited in reverse rotation, while exiting marginal not penetrates suspension slurry, keeps annular to loosen the soil groove Interior slurries absolute altitude is not less than level of ground water absolute altitude, then can be carried out follow-up steel pipe pile driving construction, and steel-pipe pile directly packs into Annular is loosened the soil groove, easy for construction.
Preferably, it is provided with check valve in the liquid outlet.
Suspension Grouting Pipe in the present embodiment is weldingly fixed on the outer tube wall of hollow drill body, the hollow drill Individually helical blade is provided with the outer tube wall of body(Shown in Fig. 1)Or it is equipped with helical blade on inside and outside tube wall.
When in use, concrete construction method includes step in detail below to the utility model:
A, position excavation construction work nest 10 of driving piles is being needed, suspension slurry is put into groove;
B, measurement and positioning, pile driving position is determined, sets up rig, in place;
C, an annular for being stirred pine can be formed in pile driving position rotary drilling, drilling process to loosen the soil groove 11, annular pine Soil box is internally formed undisturbed soil cylinder 12, is crept into rotation, while is loosened the soil by suspension slurry Grouting Pipe to annular inside groove Inject suspension slurry;
D, for drilling to designed elevation, drilling rod is exited in reverse rotation, while exiting marginal not penetrates suspension slurry, keeps annular to loosen the soil groove Interior slurries absolute altitude is not less than level of ground water absolute altitude;
E, rig is removed;
F, steel-pipe pile 13 is lifted by crane, is being circularized at the groove that loosens the soil in place in, first paragraph steel-pipe pile sinks to ring by deadweight In shape notch, after stable, first paragraph steel-pipe pile is squeezed at the above 70cm-100cm of ground with vibrations, hammering or pile press machine;
G, second segment steel-pipe pile is lifted by crane, is welded with the centering of first paragraph steel pipe, second is squeezed into vibrations, hammering or pile press machine Duan Gangguan;
H, repeat step g, until steel pipe pile length reaches design requirement;
I, after the completion for the treatment of steel-pipe pile use, steel-pipe pile is extracted.
Embodiment two:
Second embodiment of the present utility model and first embodiment principle are essentially identical, and the main distinction is, the suspension Liquid grout pipe is fixed on the inner tubal wall of hollow drill body, and individually helical-blade is provided with the inner tubal wall of the hollow drill body Helical blade is provided with piece or inside and outside tube wall.
Embodiment three:
3rd embodiment of the present utility model and first embodiment principle are essentially identical, and the main distinction is, the suspension Liquid grout pipe is directly opened in inside the tube wall of hollow drill body, and individually spiral shell is provided with the inner tubal wall of the hollow drill body Vane piece is either individually provided with helical blade or inside and outside tube wall on the outer tube wall of hollow drill body and is provided with helical-blade Piece, liquid outlet now are directly opened on the tube wall of hollow drill body.
The utility model has the advantages that:
1st, the annular that suitable size implantation steel-pipe pile is formed using special auger stem is loosened the soil groove, only need to apply smaller shake Dynamic, hammering or the smaller pressure of pile press machine are easy for construction ready for insertion into steel pipe;
2nd, by the advance loosening function of the annular groove that loosens the soil, while the suitable isolation slurries that suspend are added so that steel-pipe pile In implantation and withdrawal process, obvious soil plug effect is not formed, reduces difficulty of construction;
3rd, steel pipe will not form the larger hole for needing a large amount of earthen backfills after extracting;
4th, steel-pipe pile insertion is greatly lowered and extracts difficulty of construction, and greatly reduces when conventional steel pipe is extracted and brings two Influence of the secondary construction disturbance to surrounding enviroment, construction equipment is simple, and efficiency high, cost is low, surrounding enviroment is influenceed small.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases The technical field of pass, similarly it is included in scope of patent protection of the present utility model.

Claims (7)

  1. A kind of 1. auger stem, it is characterised in that including:Hollow drill body, the bottom of the hollow drill body is in opening Structure, is circumferentially provided with multiple drill bits on the bottom of the hollow drill body tube wall, on the tube wall of the hollow drill body The suspension slurry Grouting Pipe extended along its length is additionally provided with, the suspension slurry Grouting Pipe extends downward into tube wall bottom End, is provided with least one liquid outlet on the bottom of the suspension Grouting Pipe, the inwall of the hollow drill body and outer At least one in both walls is provided with helical blade above.
  2. 2. auger stem according to claim 1, it is characterised in that the upper end of the hollow drill body is connected with one Filling adaptor is rotated, the upper end of the rotation filling adaptor is connected with unit head, and the rotation filling adaptor is connected by pipeline There is suspension slurry transfer pump.
  3. 3. auger stem according to claim 1, it is characterised in that be provided with check valve in the liquid outlet.
  4. 4. auger stem according to claim 1, it is characterised in that the drill bit uses alloy bit.
  5. 5. according to the auger stem described in any one of claim 1 ~ 4, it is characterised in that the suspension Grouting Pipe is welded and fixed On the outer tube wall of hollow drill body, individually helical blade or inside and outside is provided with the outer tube wall of the hollow drill body Helical blade is equipped with tube wall.
  6. 6. according to the auger stem described in any one of claim 1 ~ 4, it is characterised in that the suspension Grouting Pipe is fixed on sky On the inner tubal wall of heart drilling rod body, individually helical blade or inside and outside tube wall are provided with the inner tubal wall of the hollow drill body On be provided with helical blade.
  7. 7. according to the auger stem described in any one of claim 1 ~ 4, it is characterised in that the suspension Grouting Pipe directly opens up Inside the tube wall of hollow drill body, individually helical blade or core drill are provided with the inner tubal wall of the hollow drill body Individually it is provided with helical blade or inside and outside tube wall on the outer tube wall of bar body and is provided with helical blade.
CN201720346137.1U 2017-04-05 2017-04-05 A kind of auger stem Expired - Fee Related CN206917616U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720346137.1U CN206917616U (en) 2017-04-05 2017-04-05 A kind of auger stem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720346137.1U CN206917616U (en) 2017-04-05 2017-04-05 A kind of auger stem

Publications (1)

Publication Number Publication Date
CN206917616U true CN206917616U (en) 2018-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720346137.1U Expired - Fee Related CN206917616U (en) 2017-04-05 2017-04-05 A kind of auger stem

Country Status (1)

Country Link
CN (1) CN206917616U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948768A (en) * 2017-04-05 2017-07-14 张腊琴 A kind of auger stem and steel pipe pile construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948768A (en) * 2017-04-05 2017-07-14 张腊琴 A kind of auger stem and steel pipe pile construction method

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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: 20180123

Termination date: 20200405