CN205277306U - Modified high pressure is washed by water and is cut a hole mud drill bit - Google Patents
Modified high pressure is washed by water and is cut a hole mud drill bit Download PDFInfo
- Publication number
- CN205277306U CN205277306U CN201521073104.1U CN201521073104U CN205277306U CN 205277306 U CN205277306 U CN 205277306U CN 201521073104 U CN201521073104 U CN 201521073104U CN 205277306 U CN205277306 U CN 205277306U
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- drill bit
- mud
- pipe
- annulus
- cutter mud
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 abstract 4
- 239000011148 porous material Substances 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 239000000571 coke Substances 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a modified high pressure is washed by water and is cut a hole mud drill bit, includes water supply unit and chisel mud unit, its characterized in that: the water supply unit includes delivery pipe (1), washes drill bit and outlet pipe, chisel mud claw is the ring base, and the ring sets up the internal thread, and ring base both sides are equipped with the steel crescent chisel mud claw (5) of symmetry, and the extension elongation of the extension elongation of mud claw with main outlet pipe (8) is cut a hole to crescent, chisel mud claw ring base and the top of washing drill bit (3) threaded connection for the ring. The utility model discloses a modified high pressure is washed by water and is cut a hole mud drill bit has drill bit simple structure, the preparation is convenient, and it is fast to fetch earth, and the time of pore -forming, replacement soil is short, has effectively solved the concrete soil layer pore -forming of SP steel -pipe pile and has washed slow defect and significantly reduce deep basal pit exposure time, ensures the advantage of deep foundation pit construction safety.
Description
Technical field
This utility model relates to the drill bit of a kind of stake core earth for removing in pile pipe, specifically, is the high-pressure flush cutter mud drill bit of a kind of improvement.
Background technology
In First Phase of Baosteel Project coke oven overhauling reform project, the engineering pile that after a former phase coke oven dismounting, indwelling is got off, i.e. SP steel-pipe pile, specification has �� 609.6*9mm and �� 406.4*12.7mm. According to designing requirement, because original steel-pipe pile can not meet present load-bearing requirements ,-11m below raw steel pipe pile top need to be carried out filling core and process the load-bearing requirements that could meet design. And all there is the soil layer of consolidation under heavy load effect in the consolidation settlement of more than 30 years, original SP steel-pipe pile in the soil body in the former phase coke oven place of Baosteel. But, adopt traditional high pressure water washing soil basketing method, the speed that fetches earth in pile tube is slow, inefficiency, add stake top, this engineering indivedual deep basal pit position degree of depth and exceed-9.0m, the degree of depth that fetches earth to arrive-20m, if rinsing displacement for a long time can lengthen foundation ditch open-assembly time, also brings many unsafe factors to Safety Construction of Deep Foundation Pit.
Therefore known merely dependence high-pressure flush carries out soil basketing method in pile tube and there is above-mentioned all inconvenience and problem.
Summary of the invention
The purpose of this utility model, is in that to propose one based on high-pressure flush hole-forming device, then installs the high-pressure flush cutter mud drill bit of the improvement of cutter mud device additional.
For achieving the above object, technical solution of the present utility model is:
The high-pressure flush cutter mud drill bit of a kind of improvement, including water supplying unit and cutter mud unit, it is characterised in that:
Described water supplying unit includes feed pipe, rinses drill bit and outlet pipe, wherein: feed pipe is by fixture and snap close thereof and the binding of flushing drill bit, and wash boring rostral face and handle jacket weld admittedly, and handle jacket is connected with steel pipe handle threaded one end; Rinse drill bit Water outlet portion and water diversion disk is set, the centre of water diversion disk is provided with primary flow pipe, one end of primary flow pipe communicates with rinsing drill bit, the other end stretches out water diversion disk certain distance, the surrounding of primary flow pipe respectively arranges an auxiliary waterexit pipe, the apopore of auxiliary waterexit pipe is arranged on the conical sidewall rinsing drill bit, and flushing drill end is annulus, and annulus outer surface is provided with external screw thread;
Described cutter mud pawl is annulus base, and annulus arranges female thread, and annulus base both sides are provided with the steel crescent cutter mud pawl of symmetry, and the extension elongation of crescent cutter mud pawl is with the extension elongation of primary flow pipe; Cut a hole mud pawl annulus base with the top annulus rinsing drill bit with threadeding.
The high-pressure flush cutter mud drill bit of improvement of the present utility model can also be further achieved by the following technical measures.
The high-pressure flush cutter mud drill bit of aforesaid improvement, wherein said feed pipe is diameter >=80mm.
The high-pressure flush cutter mud drill bit of aforesaid improvement, wherein said handle jacket material is Q235b steel.
The high-pressure flush cutter mud drill bit of aforesaid improvement, wherein said handle jacket is DN30.
The high-pressure flush cutter mud drill bit of aforesaid improvement, wherein said steel pipe handle is DN30.
After adopting technique scheme, the high-pressure flush cutter mud drill bit of improvement of the present utility model has the advantage that
1, drill bit structure is simple, easy to make;
2, accelerate to fetch earth speed, shortening pore-forming and the time replacing soil, efficiently solve the defect that the soil layer pore-forming flushing of SP steel-pipe pile consolidation is slow;
3, deep basal pit open-assembly time is greatly reduced, it is ensured that Safety Construction of Deep Foundation Pit.
Accompanying drawing explanation
Fig. 1 is the high-pressure flush cutter mud drill bit structure schematic diagram of this utility model embodiment;
Fig. 2 is the A-A sectional view in Fig. 1.
In figure: 1 feed pipe, 2 snap closes, 3 rinse drill bit, 4 apopores, 5 cutter mud pawls, 6 handle jackets, 7 steel pipe handles, 8 primary flow pipes, 9 auxiliary waterexit pipes.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, this utility model is illustrated further.
Embodiment 1
The high-pressure flush cutter mud drill bit of improvement of the present utility model, including water supplying unit and cutter mud unit.
Referring now to the high-pressure flush cutter mud drill bit structure schematic diagram that Fig. 1 and Fig. 2, Fig. 1 are this utility model embodiment, Fig. 2 is the A-A sectional view in Fig. 1. As it can be seen, described water supplying unit includes feed pipe 1, rinses drill bit and outlet pipe, wherein: feed pipe is the plastic tube of diameter 80mm. Feed pipe is bound with rinsing drill bit 3 by fixture and snap close 2 thereof, rinses drill bit 3 side and the solid weldering of handle jacket 6 that material is Q235b steel, and DN30 handle jacket is connected with DN30 steel pipe handle 7 threaded one end; Rinse drill bit 3 water outlet head and water diversion disk is set, the centre of water diversion disk is provided with primary flow pipe 8, one end of primary flow pipe communicates with rinsing drill bit, the other end stretches out water diversion disk certain distance, the surrounding of primary flow pipe respectively arranges an auxiliary waterexit pipe 9, the apopore 4 of auxiliary waterexit pipe is arranged on the conical sidewall rinsing drill bit 3, and flushing drill end is annulus, and annulus outer surface is provided with external screw thread; The apopore aperture of auxiliary waterexit pipe is 10mm.
Described cutter mud pawl is annulus base, and annulus arranges female thread, and annulus base both sides are provided with the steel crescent cutter mud pawl 5 of symmetry, and the extension elongation of crescent cutter mud pawl is with the extension elongation of primary flow pipe 8; Cut a hole mud pawl annulus base with the top annulus rinsing drill bit 3 with threadeding.
The high-pressure flush cutter mud drill bit manufacture method of this utility model embodiment: high-pressure flush cutter mud drill bit needs to make die sinking in workshop and makes, rinse drill bit, cutter mud pawl and handle jacket material Q235b steel, 10mm hole (increase apopore) is opened in bit diameter 80mm, drill bit position as illustrated, handle adopts DN30 galvanized pipe, handle adopts silk mouth to be connected with handle jacket, handle jacket is welded on drill bit, cutter mud pawl adopts silk mouth to be connected with drill bit body, mantle fiber in cutter mud pawl, handle, according to the punching degree of depth, carries out handle mantle fiber and connects spreading. It is also convenient for removing drill bit to be replaced simultaneously.
This utility model has substantive distinguishing features and significant technological progress, the high-pressure flush cutter mud drill bit of improvement of the present utility model is by former high-pressure flush hole-forming device, original hole-forming device head is improved, original device head increases cutter mud device, speed of fulfiling hole can be accelerated, shorten pore-forming and the time of displacement soil, it is also possible to for well-points dewatering.
The high-pressure flush cutter mud drill bit of improvement of the present utility model is being applied in First Phase of Baosteel Project coke oven overhauling reform engineering, fetch earth in construction at original SP steel-pipe pile stake core, particularly applied very well in the Among Piles In Deep Foundation Pit cores such as the coal tower of this engineering, dry coke quenching, chimney fetch earth construction, greatly reduce deep basal pit open-assembly time, it is ensured that Safety Construction of Deep Foundation Pit.
Above example is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, when without departing from spirit and scope of the present utility model, it is also possible to make various conversion or change. Therefore, all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.
Claims (5)
1. the high-pressure flush cutter mud drill bit improved, including water supplying unit and cutter mud unit, it is characterised in that:
Described water supplying unit includes feed pipe (1), rinses drill bit and outlet pipe, wherein: feed pipe is bound with rinsing drill bit (3) by fixture and snap close (2) thereof, rinsing the weldering solid with handle jacket (6) of drill bit (3) side, handle jacket is connected with steel pipe handle (7) threaded one end; Rinse drill bit (3) water outlet head and water diversion disk is set, the centre of water diversion disk is provided with primary flow pipe (8), one end of primary flow pipe communicates with rinsing drill bit, the other end stretches out water diversion disk certain distance, the surrounding of primary flow pipe respectively arranges an auxiliary waterexit pipe (9), the apopore (4) of auxiliary waterexit pipe is arranged on the conical sidewall rinsing drill bit (3), and flushing drill end is annulus, and annulus outer surface is provided with external screw thread;
Described cutter mud pawl is annulus base, and annulus arranges female thread, and annulus base both sides are provided with steel crescent cutter mud pawl (5) of symmetry, the extension elongation of the same primary flow pipe of the extension elongation (8) of crescent cutter mud pawl; Cut a hole mud pawl annulus base with the top annulus rinsing drill bit (3) with threadeding.
2. the high-pressure flush cutter mud drill bit improved as claimed in claim 1, it is characterised in that described feed pipe is diameter >=80mm.
3. the high-pressure flush cutter mud drill bit improved as claimed in claim 1, it is characterised in that described handle jacket material is Q235b steel.
4. the high-pressure flush cutter mud drill bit improved as claimed in claim 1, it is characterised in that described handle jacket is DN30.
5. the high-pressure flush cutter mud drill bit improved as claimed in claim 1, it is characterised in that described steel pipe handle is DN30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073104.1U CN205277306U (en) | 2015-12-22 | 2015-12-22 | Modified high pressure is washed by water and is cut a hole mud drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073104.1U CN205277306U (en) | 2015-12-22 | 2015-12-22 | Modified high pressure is washed by water and is cut a hole mud drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277306U true CN205277306U (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521073104.1U Active CN205277306U (en) | 2015-12-22 | 2015-12-22 | Modified high pressure is washed by water and is cut a hole mud drill bit |
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| CN (1) | CN205277306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112157A (en) * | 2020-09-29 | 2020-12-22 | 同济大学 | A new type of steel casing device for bored pile construction |
-
2015
- 2015-12-22 CN CN201521073104.1U patent/CN205277306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112157A (en) * | 2020-09-29 | 2020-12-22 | 同济大学 | A new type of steel casing device for bored pile construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |