CN208501674U - A kind of full spiral driving stirring drill bit - Google Patents
A kind of full spiral driving stirring drill bit Download PDFInfo
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- CN208501674U CN208501674U CN201821144063.4U CN201821144063U CN208501674U CN 208501674 U CN208501674 U CN 208501674U CN 201821144063 U CN201821144063 U CN 201821144063U CN 208501674 U CN208501674 U CN 208501674U
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- blade
- drilling rod
- spiral driving
- full spiral
- drill bit
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of full spiral driving stirring drill bit, belong to driving stirring field of drill, including drilling rod, the bottom of drilling rod is equipped with mouth spray, it further include the front end boring mechanism for breaking ground, the blade mechanisms for assisting cutting soil, front end boring mechanism and blade mechanisms are separately fixed on drilling rod；Blade mechanisms include several upper layer blades being mounted on drilling rod, blade, the trapezoidal of outer narrow inner width is respectively adopted in upper and lower layer blade, the position that upper and lower layer blade is contacted with drilling rod is respectively equipped with ribs, tilting is fixed on drilling rod upper and lower layer blade respectively, and the bottom of blade is equipped with inclination carbide button；Front end boring mechanism includes the full spiral driving end being mounted on drilling rod, and full spiral driving end is located at the side of mouth spray, and the bottom at full spiral driving end is welded with vertical carbide button.The full spiral driving stirring drill bit using effect is preferable, and long service life, mixing quality is good, and pile qualification rate is high, can be applied and popularized in the DCM ship construction in future.
Description
Technical field
The utility model relates to a kind of full spiral driving stirring drill bits, belong to driving stirring field of drill.
Background technique
Drill bit is broadly divided into several parts: front end boring mechanism, and major function is to break ground, to guarantee that drilling machine can be with injection
Into hardpan；Blade mechanisms tilt and by appropriate spacing layered arrangement on drilling rod, for slurry and the ground of mixing cement
Soil；Lower mouth spray, is arranged in drill bit bottom, and auxiliary water spray (auxiliary break ground or improves soil property) or injection are whitewashed when being used for injection.
The drill bit structure of conventional DCM ship lacks adaptability, especially when encountering complex geological condition, either injection
Ability or mixing quality can all be affected, mainly due to driving part and blade structure type be not suitable with it is special
Caused by soil layer, often while reducing work efficiency, the probability of unqualified pile is also improved.Especially for some soil properties
Harder geology, performance of breaking ground are poor.
Summary of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of full spiral driving stirring drill bit, it can
Harder geology is adapted to, guarantees the qualification rate for improving pile while work efficiency.
To achieve the goals above, a kind of full spiral driving stirring drill bit that the utility model uses, including drilling rod, it is described
The bottom of drilling rod is equipped with mouth spray, further includes front end boring mechanism for breaking ground, for assist cutting native blade mechanisms, described
Front end boring mechanism and blade mechanisms are separately fixed on drilling rod；
The blade mechanisms include several upper layer blades being mounted on drilling rod, blade, upper layer blade, blade
The trapezoidal of outer narrow inner width is respectively adopted, the position that the upper layer blade, blade are contacted with drilling rod is respectively equipped with ribs, institute
Stating upper layer blade, blade, tilting is fixed on drilling rod respectively, and the bottom of blade is equipped with inclination carbide button；
The front end boring mechanism includes the full spiral driving end being mounted on drilling rod, and full spiral driving end is located at mouth spray
Side, the bottom at full spiral driving end is welded with vertical carbide button.
As an improvement, the upper layer blade, blade are respectively 30 ° with the slanted angle of horizontal plane.
As an improvement, the mouth spray is equipped with protection tube, it is equipped with rubber slab check valve in the protection tube, reinforces
Steel plate and limit steel plate strip, the rubber slab check valve, strengthening steel slab and limit steel plate strip, which are matched, is combined into opposite opened check valve.
As an improvement, the protection tube is welded on the outside of mouth spray.
As an improvement, the upper layer blade and blade are respectively welded on drilling rod, the ribs is welded on upper layer
The bottom of blade and blade.
As an improvement, the blade in adjacent drill pipes is layered, is staggeredly arranged；Upper and lower level blade on same drilling rod is vertical
Arrangement.
The full spiral driving stirring drill bit of the utility model is harder suitable for soil property, needs to increase the geology in face of breaking ground, makes
Preferable with effect, long service life, mixing quality is good, and pile qualification rate is high, can be applied and popularized to the DCM ship construction in future
In.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of blade mechanisms in the utility model；
Fig. 3 is the schematic diagram of front end boring mechanism in the utility model；
Fig. 4 is the structural schematic diagram of mouth spray in the utility model；
In figure: 1, drilling rod, 2, full spiral driving end, 3, vertical carbide button, 4, mouth spray, 5, inclination carbide button, 6, upper layer
Blade, 7, ribs, 8, blade, 9, rubber slab check valve, 10, protection tube, 11, strengthening steel slab, 12, limit steel plate
Item.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, the utility model is carried out below
It is further described.However, it should be understood that specific embodiment described herein is only used to explain the utility model, not
For limiting the scope of the utility model.
Unless otherwise defined, all technical terms and scientific terms used herein and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical, and terminology used in the description of the utility model herein is only
It is the purpose in order to describe specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of full spiral driving stirring drill bit, including drilling rod 1, the bottom of the drilling rod 1 are set
There is mouth spray 4, further includes the front end boring mechanism for breaking ground, the blade mechanisms for assisting cutting soil, the front end development machine
Structure and blade mechanisms are separately fixed on drilling rod 1；
The blade mechanisms include several upper layer blades 6 being mounted on drilling rod 1, blade 8, upper layer blade 6, lower layer
The trapezoidal of outer narrow inner width is respectively adopted in blade 8, and the position that the upper layer blade 6, blade 8 are contacted with drilling rod 1 is respectively equipped with
Ribs 7, tilting is fixed on drilling rod 1 respectively for the upper layer blade 6, blade 8, and the bottom of blade 8, which is equipped with, inclines
Oblique carbide button 5, carbide button cut soil for assisting, weld deep floor below blade, prevent blade from meeting obstacle composition deformation；
The front end boring mechanism includes the full spiral driving end 2 being mounted on drilling rod 1, and full spiral driving end 2 is located at spray
The side of mouth 4 is starched, the bottom at the full spiral driving end 2 is welded with vertical carbide button 3, and full spiral carbide button is the cloth that vertically breaks ground
It sets, quantity is more.
As the improvement of embodiment, as shown in Fig. 2, the upper layer blade 6, blade 8 respectively with the inclination of horizontal plane
Angle is 30 °, which is most suitable for cutting soil and cement slurry stirring by experimental examination.
As the improvement of embodiment, as shown in figure 4, the mouth spray 4 is equipped with protection tube 10, the protection tube 10
It is interior to be equipped with rubber slab check valve 9, strengthening steel slab 11 and limit steel plate strip 12, the rubber slab check valve 9, strengthening steel slab 11 and limit
Position steel plate strip 12, which is matched, is combined into opposite opened check valve.
As the improvement of embodiment, the protection tube 10 is welded on 4 outside of mouth spray, can effectively avoid silt particle and enters
Blocking in mouth spray.
As the improvement of embodiment, the upper layer blade 6 and blade 8 are respectively welded on drilling rod 1, the ribs
7 are welded on the bottom of upper layer blade 6 and blade 8, and structural soundness is high, and security performance is high.
As the improvement of embodiment, the blade in adjacent drill pipes 1 is layered, is staggeredly arranged；Above and below on same drilling rod 1
Layer blade is arranged vertically, reasonable in design, cuts soil and mixing effect to ensure to reach best.
In use, being broken ground by full spiral driving end 2 and vertical carbide button 3, to guarantee that drilling machine can be with injection with arriving hard
In layer；It mixes cement slurry and foundation soil by upper layer blade 6, the cooperation inclination carbide button 5 of blade 8；Finally by arrangement
It whitewashes in the auxiliary water spray of mouth spray 4 (auxiliary break ground or improves soil property) of drill bit bottom or injection.
The full spiral driving stirring drill bit of the utility model is harder suitable for soil property, needs to increase the geology in face of breaking ground, makes
Preferable with effect, long service life, mixing quality is good, and pile qualification rate is high, can be applied and popularized to the DCM ship construction in future
In.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of full spiral driving stirring drill bit, including drilling rod (1), the bottom of the drilling rod (1) is equipped with mouth spray (4), special
Sign is, further includes the front end boring mechanism for breaking ground, the blade mechanisms for assisting cutting soil, the front end boring mechanism and
Blade mechanisms are separately fixed on drilling rod (1)；
The blade mechanisms include be mounted on drilling rod (1) several upper layer blades (6), blade (8), upper layer blade (6),
The trapezoidal of outer narrow inner width is respectively adopted in blade (8), and the upper layer blade (6), blade (8) are contacted with drilling rod (1)
Position is respectively equipped with ribs (7), and tilting is fixed on drilling rod (1) respectively for the upper layer blade (6), blade (8), under
The bottom of layer blade (8) is equipped with inclination carbide button (5)；
The front end boring mechanism includes full spiral driving end (2) being mounted on drilling rod (1), and full spiral driving end (2) is located at
The bottom of the side of mouth spray (4), full spiral driving end (2) is welded with vertical carbide button (3).
2. a kind of full spiral driving stirring drill bit according to claim 1, which is characterized in that the upper layer blade (6), under
Layer blade (8) is respectively 30 ° with the slanted angle of horizontal plane.
3. a kind of full spiral driving stirring drill bit according to claim 1, which is characterized in that set on the mouth spray (4)
Have protection tube (10), rubber slab check valve (9), strengthening steel slab (11) and limit steel plate strip are equipped in the protection tube (10)
(12), the rubber slab check valve (9), strengthening steel slab (11) and limit steel plate strip (12), which are matched, is combined into opposite opened check valve.
4. a kind of full spiral driving stirring drill bit according to claim 3, which is characterized in that protection tube (10) weldering
It connects on the outside of mouth spray (4).
5. a kind of full spiral driving stirring drill bit according to claim 1, which is characterized in that the upper layer blade (6) and
Blade (8) is respectively welded on drilling rod (1), and the ribs (7) is welded on upper layer blade (6) and blade (8)
Bottom.
6. a kind of full spiral driving stirring drill bit according to claim 1, which is characterized in that the knife in adjacent drill pipes (1)
Piece layering is staggeredly arranged；Upper and lower level blade on same drilling rod (1) is arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144063.4U CN208501674U (en) | 2018-07-19 | 2018-07-19 | A kind of full spiral driving stirring drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144063.4U CN208501674U (en) | 2018-07-19 | 2018-07-19 | A kind of full spiral driving stirring drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208501674U true CN208501674U (en) | 2019-02-15 |
Family
ID=65289622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821144063.4U Active CN208501674U (en) | 2018-07-19 | 2018-07-19 | A kind of full spiral driving stirring drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208501674U (en) |
-
2018
- 2018-07-19 CN CN201821144063.4U patent/CN208501674U/en active Active
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