CN206522104U - Drilling bit - Google Patents
Drilling bit Download PDFInfo
- Publication number
- CN206522104U CN206522104U CN201720199457.9U CN201720199457U CN206522104U CN 206522104 U CN206522104 U CN 206522104U CN 201720199457 U CN201720199457 U CN 201720199457U CN 206522104 U CN206522104 U CN 206522104U
- Authority
- CN
- China
- Prior art keywords
- drill body
- churning
- drilling
- broken rock
- drill
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 239000011435 rock Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model belongs to drilling rotary spray technique field.A kind of drilling bit, including the first drill body, the second broken rock drill bit for being arranged on the first drill body front end and the drilling rod for being arranged on the first drill body rear end, the drilling rod, the first drill body, it is provided with main inner tube in the second broken rock drill bit, the first churning component and the second churning component are respectively arranged with first drill body and the second broken rock drill bit, first drill body is cylindrical, grooving is circumferentially offered on the first drill body, the first churning component includes the first churning pipe for being arranged on each grooving and being connected with main inner tube.The utility model can greatly improve the practicality and convertibility of product, pass through rational deployment drill bit structure and high-pressure rotary-spray mode, so as to provide good construction environment for drilling, ensure efficiency and the life-span of drill bit drilling, the market competitiveness of the application is substantially increased, is easy to be extended and applied.
Description
Technical field
The utility model belongs to drilling rotary spray technique field, and in particular to a kind of drilling bit.
Background technology
In drilling process is carried out, with the significantly expansion of state fundamental construction project, railway, highway, airport, harbour and
The continuous expansion of Construction of highrise buildings scale, improves constantly to the quality requirement of basement process, pattern foundation pit supporting structure and foundation ditch sealing, makees
For this technology of rotary churning pile, it has simple equipment, easy construction, speed is fast, saving material, efficiency high, cost, low, operation is simple
Single, applied widely the advantages of, it is widely adopted in many capital construction fields.But with the increase of rotary churning pile pile depth, churning
The difficulty of construction of stake can further increase, and particularly in ultra-deep bad ground, common rotary churning pile drill bit can not meet construction
It is required that, often occur not creeping into after drill bit gets into certain depth when construction, the situation that drill bit is smoothed or is broken.Institute
With the promoting the use of in ultra-deep bad ground which greatly limits rotary churning pile.
Therefore based on the lifting and efficiency of construction for creeping into difficulty the problem of is, it is necessary to carry out new knot to drilling bit
Structure is designed.
The content of the invention
The purpose of this utility model be for above-mentioned problem and shortage there is provided a kind of reasonable in design, compact,
Stability is good, can greatly improve the quality of product, improves the drilling bit of service life and drilling efficiency.
To reach above-mentioned purpose, adopted the technical scheme that:
A kind of drilling bit, including the first drill body, the second broken rock for being arranged on the first drill body front end
Drill bit and the drilling rod for being arranged on the first drill body rear end, the drilling rod, the first drill body, are all provided with the second broken rock drill bit
It is equipped with main inner tube, first drill body and the second broken rock drill bit and is respectively arranged with the first churning component and the second churning group
Part, first drill body is cylindrical, and grooving is circumferentially offered on the first drill body, and the first churning component includes
The the first churning pipe for being arranged on each grooving and being connected with main inner tube;The second broken rock drill bit includes lower fixed seat and is in
Circumference sets the three-crushing on lower fixed seat to bore tooth, and the second broken rock drill bit is in Rhizoma Sparganii wimble structure, the second churning group
Part includes being arranged on the broken cyclone nozzle bored in the middle part of tooth, and the cyclone nozzle is connected with the main inner tube in the second broken rock drill bit.
Multiple tracks branched pipe, multiple tracks point are provided with the circumferential side wall of first drill body between corresponding main inner tube
Branch pipe is circumferentially laid on the first drill body.
The first drill body rearward end is provided with storage tank, and the first described churning pipe and branched pipe are and storage tank
Connection, and limited valve is set in the first churning pipe rearward end.
The deep gouge with lower fixed seat Corresponding matching is provided with first drill body, matching is provided with solid in deep gouge
Determine screw.
The cyclone nozzle is in conical structure, and its material is high-strength alloy material, is circumferentially laid with cyclone nozzle many
Individual spray orifice.
Using above-mentioned technical proposal, acquired beneficial effect is:
The utility model reasonable in design, compact, it is by using the structure design of split-mounting type drill bit, Neng Gou great
The big practicality and convertibility for improving product, by rational deployment drill bit structure and high-pressure rotary-spray mode, so as to being to bore
Enter to provide good construction environment, ensure efficiency and the life-span of drill bit drilling, substantially increase the market competitiveness of the application, just
In promotion and application.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the first drill body.
Fig. 3 is Fig. 2 left view structural representation.
Fig. 4 is the structural representation of the second broken rock drill bit.
Fig. 5 be Fig. 4 in A-A to structural representation.
Sequence number in figure:1 it is the first drill body, 2 be the second broken rock drill bit, 3 be drilling rod, 4 be main inner tube, 5 is grooving, 6
For the first churning pipe, 7 be lower fixed seat, 8 be it is broken bore tooth, 9 be cyclone nozzle, 10 be branched pipe, 11 be storage tank, 12 be pressure limiting
Valve, 13 be deep gouge, 14 be fixing threaded hole, 15 be spray orifice.
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
Referring to Fig. 1-Fig. 5, a kind of drilling bit of the utility model, including the first drill body 1, it is arranged on first
Second broken rock drill bit 2 of the front end of drill body 1 and the drilling rod 3 for being arranged on the rear end of the first drill body 1, the drilling rod 3, first
It is provided with drill body 1, the second broken rock drill bit 2 in main inner tube 4, first drill body and the second broken rock drill bit respectively
The first churning component and the second churning component are provided with, first drill body is cylindrical, is on the first drill body
Circumference offers grooving 5, and the first churning component includes the first churning pipe 6 for being arranged on each grooving and being connected with main inner tube;
The second broken rock drill bit includes lower fixed seat 7 and circumferentially sets the three-crushing on lower fixed seat to bore tooth 8, described second
Broken rock drill bit is in Rhizoma Sparganii wimble structure, and the second churning component includes being arranged on the broken cyclone nozzle 9 bored in the middle part of tooth, the churning
Head is connected with the main inner tube in the second broken rock drill bit.
On the circumferential side wall of first drill body multiple tracks branched pipe 10, multiple tracks are provided between corresponding main inner tube
Branched pipe is circumferentially laid on the first drill body.
The first drill body rearward end is provided with storage tank 11, and the first described churning pipe and branched pipe are with housing
Groove is connected, and sets limited valve 12 in the first churning pipe rearward end, is provided with the first drill body corresponding with lower fixed seat
The deep gouge 13 of matching, matching is provided with fixing threaded hole 14 in deep gouge, and the cyclone nozzle is in conical structure, and its material is high-strength
Alloy material, is circumferentially laid with multiple spray orifices 15 on cyclone nozzle.
The utility model reasonable in design, compact, it is by using the structure design of split-mounting type drill bit, Neng Gou great
The big practicality and convertibility for improving product, by rational deployment drill bit structure and high-pressure rotary-spray mode, so as to being to bore
Enter to provide good construction environment, ensure efficiency and the life-span of drill bit drilling, substantially increase the market competitiveness of the application, just
In promotion and application.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent is defined.
Claims (5)
1. a kind of drilling bit, it is characterised in that:Including the first drill body, it is arranged on the first drill body front end
Second broken rock drill bit and the drilling rod for being arranged on the first drill body rear end, the drilling rod, the first drill body, the second broken rock are bored
It is provided with head in main inner tube, first drill body and the second broken rock drill bit and is respectively arranged with the first churning component and the
Two churning components, first drill body is cylindrical, and grooving, the first churning are circumferentially offered on the first drill body
Component includes the first churning pipe for being arranged on each grooving and being connected with main inner tube;The second broken rock drill bit includes lower fixation
Three-crushing on seat and circumferentially setting lower fixed seat bores tooth, and the second broken rock drill bit is in Rhizoma Sparganii wimble structure, described second
The main inner tube that churning component includes being arranged in the broken cyclone nozzle bored in the middle part of tooth, the cyclone nozzle and the second broken rock drill bit connects
It is logical.
2. drilling bit according to claim 1, it is characterised in that:The circumferential side wall of first drill body
Upper that multiple tracks branched pipe is provided between corresponding main inner tube, multiple tracks branched pipe is circumferentially laid on the first drill body.
3. drilling bit according to claim 2, it is characterised in that:The first drill body rearward end is set
There is storage tank, the first described churning pipe and branched pipe are connected with storage tank, and set limited in the first churning pipe rearward end
Pressure valve.
4. drilling bit according to claim 1, it is characterised in that:Be provided with first drill body with
The deep gouge of lower fixed seat Corresponding matching, matching is provided with fixing threaded hole in deep gouge.
5. drilling bit according to claim 1, it is characterised in that:The cyclone nozzle is in conical structure, its
Material is high-strength alloy material, and multiple spray orifices are circumferentially laid with cyclone nozzle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720199457.9U CN206522104U (en) | 2017-03-03 | 2017-03-03 | Drilling bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720199457.9U CN206522104U (en) | 2017-03-03 | 2017-03-03 | Drilling bit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206522104U true CN206522104U (en) | 2017-09-26 |
Family
ID=59893387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720199457.9U Expired - Fee Related CN206522104U (en) | 2017-03-03 | 2017-03-03 | Drilling bit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206522104U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110409434A (en) * | 2019-06-25 | 2019-11-05 | 浙江省建工集团有限责任公司 | A kind of the high-pressure rotary jet grouting pile technique and its drill bit of combination pvc pipe |
-
2017
- 2017-03-03 CN CN201720199457.9U patent/CN206522104U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110409434A (en) * | 2019-06-25 | 2019-11-05 | 浙江省建工集团有限责任公司 | A kind of the high-pressure rotary jet grouting pile technique and its drill bit of combination pvc pipe |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 |