CN204729012U - A kind of jet bit - Google Patents
A kind of jet bit Download PDFInfo
- Publication number
- CN204729012U CN204729012U CN201520283336.3U CN201520283336U CN204729012U CN 204729012 U CN204729012 U CN 204729012U CN 201520283336 U CN201520283336 U CN 201520283336U CN 204729012 U CN204729012 U CN 204729012U
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- mud
- bit
- base
- jet
- regulator
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Abstract
A kind of jet bit for Spiral digging machine, comprise slider block, cylindrical shell, slide bar, regulator, base, slurry filter and mud compression bag, described regulator is connected with base and mud compression bag, slurry filter is positioned at slider block inside, slider block is connected with the jack rod sleeve on cylindrical shell by slide bar, cylindrical shell is fixedly connected with base, the mud compression bag top being positioned at inner barrel is communicated with by one way valve with slurry filter, and mud compression bag bottom is communicated with by one way valve with the mud main flow pipe on base.Drill bit of the present utility model is by the control dispense pressure of regulator, partial pressure is used for drill bit cutting rock, another partial pressure passes to mud compression chamber compression mud, mud is through the jet spray high-pressure jets of tributary pipe from drill bit, outside auxiliary cutting rock being returned by rock debris portals, cool drill bit alloy simultaneously and extend drilling life of bit, improve the efficiency of boring and reduce the use cost of oil consumption and drill bit.
Description
Technical field
The utility model belongs to the technical equipment fields such as oil-gas drilling engineering, mining, geological drilling, construction work, construction of tunnel, shield structure and no-dig technique, is specifically related to a kind of Spiral digging machine jet bit.
Background technology
Existing Spiral digging machine is when rock drilling is constructed, drill bit pick alloy is when rock drilling, because high temperature can not fully cool, alloy is easy to wear or fracture in the event of high temperatures, time serious, drill bit can be out of shape, and steel part easily melts stuck in rock, and Rock penetrating difficulty is large, Spiral digging machine rate of penetration is slow, the problems such as fuel consumption is large.In order to fully be cooled when drill bit carries out brill rock, researcher is had to pass through to arrange water nozzle on drill bit, water nozzle can jet water course, boring the effect played cleaning, wash away and cool in the process of rock, but this kind of drill bit type of cooling in use, still there are some problems, as: when boring rock, solid granule easily enters in drill bit by water nozzle, causes water nozzle to block, cleaning cannot be played, the effect cooling and wash away; Drill bit output is comparatively large, is unfavorable for using water wisely; Rock debris not easily returns out.
Summary of the invention
For the above-mentioned technical problem that prior art exists, the purpose of this utility model provides a kind of jet bit, by arranging mud compression bag at drill bit internal, being ejected the jet-loop of certain pressure by mud compression bag, playing the washing away of drill bit, cooling and the returning out of rock debris.
To achieve these goals, the technical scheme taked of the utility model is as follows:
A kind of jet bit, it is characterized in that: comprise slider block, cylindrical shell, slide bar, regulator, base, slurry filter, mud compression bag, regulator is connected with base and mud compression bag, slurry filter is positioned at slider block inside, slider block is connected with the jack rod sleeve on cylindrical shell by slide bar, cylindrical shell is fixedly connected with base, the mud compression bag top being positioned at inner barrel is communicated with by one way valve with slurry filter, mud compression bag inwall transverse cross-sectional shape is identical with slurry filter outer wall transverse cross-sectional shape and match, mud compression bag bottom is communicated with by one way valve with the mud main flow pipe on base, regulator is connected with base with mud compression bag.
Further, assembling vibrating disk in middle part below described base, assembly bit drill alloy disks under vibrating disk, the main gear hobbing of surrounding assembling alloy, limit gear hobbing and alloy jet bit below base.
Further, described base is provided with the injection pipe and jet blower that are communicated with mud main flow pipe, be provided with the alloy bit playpipe be communicated with injection pipe in alloy jet bit, described combination bit drill alloy disks inside is provided with the mud tributary be communicated with mud main flow pipe and manages.
The above slide bar quantity is more than 2.
The above regulator is the one in hydraulic pressure adjusting device, gear regulator, chain regulator, air pressure regulator, hydraulic pressure regulator, electric adjustable pressure device, spring regulator.
The filler of the above mud compression bag is the mixture of one or more of water, air, mud.Described mud compression bag quantity is more than 1; Its cross section is the one in circle, ellipse, polygon.
Above installed alloy jet bit covers the periphery in whole cylindrical shell when rotating.
The main gear hobbing of above installed alloy, limit gear hobbing cover the periphery in whole cylindrical shell when rotating.
The alloy jet bit of above-described base assembling is according to the size adjustment quantity in aperture.
Further, be that the main gear hobbing of alloy that base assembles, limit gear hobbing are according to size adjustment length, diameter, the number of teeth in aperture.
Further, described regulator dispense pressure is sent to base and mud compression bag respectively.
Further, described slide bar is enclosed with sheath.
Drill bit circulating jet method described above, after it is characterized in that mud is filtered by slurry filter, mud compression bag is flowed into by one way valve, the movement that regulator controls slider block applies pressure to mud compression bag, when flowing to mud main flow pipe by one way valve after pressure slurry to preset value, mud sprays from mud main flow pipe through drill bit jet blower.
The beneficial effects of the utility model
1, the utility model drill bit is by the control dispense pressure of regulator, partial pressure is used for drill bit cutting rock, another partial pressure passes to mud compression chamber compression mud, mud through the jet spray high-pressure jets of tributary pipe from drill bit, outside auxiliary cutting rock being returned by rock debris portals.Cool drill bit alloy simultaneously and extend drilling life of bit, improve the efficiency of boring and reduce the use cost of oil consumption and drill bit.
When 2, boring rock, water jet ejection high-pressure spray, solid granule not easily passs through water nozzle and enters in drill bit, and water nozzle not easily blocks.
3, the high-pressure spray that drill bit ejects can not only play cleaning, cools and washes away the effect of drill bit alloy, can also assist drill bit cutting rock.
4, the efficiency of the utility model jet bit brill rock is high, and during drilling work, cooling system is good, is not vulnerable to high temperature deformation or infringement; The mud that drill bit sprays or water reusable edible, save new water consumption.High-pressure spray also plays the effect that auxiliary drill rock chip returns out.
Accompanying drawing explanation
The front view that Fig. 1 provides for the utility model jet bit embodiment.
Fig. 2 is the overall sectional view of Fig. 1.
Fig. 3 is the drill bit base view of Fig. 1.
Fig. 4 is drill bit base 1/4 sectional view.
In figure:
1 is slider block, and 2 is cylindrical shell, and 3 is sheath, 4 is regulator, and 5 is oil bag, and 6 is base, 7 is slurry filter, and 8 is slide bar, and 9 is one way valve, 10 is oil cylinder cover, and 11 is mud compression bag, and 12 is slurry outlet, 13 is one way valve, 14 is jack rod sleeve, and 15 is mud main flow pipe, and 16 is alloy bit playpipe, 17 is injection pipe, 18 is the main gear hobbing of alloy, and 19 is limit gear hobbing, and 20 is alloy jet bit, 21 is jet blower, 22 is mud tributary pipe, and 23 is combination bit drill alloy disks, and 24 is vibrating disc.
Detailed description of the invention
embodiment 1
A kind of jet bit, comprise slider block 1, cylindrical shell 2, slide bar 8, regulator 4, base 6, slurry filter 7 and mud compression bag 11, regulator 4 is connected with base 6 and mud compression bag 11, it is inner that slurry filter 7 is positioned at slider block 1, slider block 1 is connected with the jack rod sleeve 14 on cylindrical shell 2 by slide bar 8, cylindrical shell 2 is fixedly connected with base 6, mud compression bag 11 top being positioned at cylindrical shell 2 inside is communicated with by one way valve 9 with slurry filter 7, mud compression bag 11 inwall transverse cross-sectional shape is identical with slurry filter 7 outer wall transverse cross-sectional shape and match, mud compression bag 11 bottom is communicated with by one way valve 13 with the mud main flow pipe 15 on base 6.Assembling vibrating disk 24 in middle part below described base 6, vibrating disk 24 times assembly bit drill alloy disks 23, the main gear hobbing 18 of surrounding assembling alloy, limit gear hobbing 19 and alloy jet bit 20 below base 6.Described base 6 is provided with the injection pipe 17 and jet blower 21 that are communicated with mud main flow pipe 15, be provided with the alloy bit playpipe 16 be communicated with injection pipe 17 in alloy jet bit 20, described combination bit drill alloy disks 23 inside is provided with the mud tributary pipe 22 be communicated with mud main flow pipe 15.
By topped up with water or mud in mud compression bag 11 before using, drilling rod is inserted in slider block 1 and is placed on the center that need hole and spud in.Top pressurization while drilling rod rotates, the large I of pressurization determine according to the hardness of rock and soil layer, and jack rod sleeve 14 and oil bag 5 pass through regulator 4 and be communicated with also dispense pressure, and a pressure part is assigned to drill bit base 6, and another part is assigned to mud compression bag 11.Alloy on drill bit base 6 rotates cutting soil under the pressure effect be assigned to and rock mass down creeps into, mud compression bag 11 sprays the auxiliary cutting of mud under the pressure effect be assigned to, and drives vibrating disc 24 to produce vibrations simultaneously and plays the effect that impact and fractured rock accelerate rate of penetration.Up need promote when mud compression bag 11 is compressed completely and sprayed mud after drill bit is filled mud by mud compression bag 11 and down creep into the above action of repetition.The operating principle of mud compression bag 11: mud enters mud compression bag 11 by slurry filter 7 inspiration mud by the one way valve 9 of import, then sprays water outlet or mud by upper pressure through mud main flow pipe 15, alloy bit playpipe 16, injection pipe 17, jet blower 21 and mud tributary pipe 22.
Application Example
At the constructing tunnel in building site, Guangxi, the granite in tunnel is harder, with normal drill bit pick alloy when rock drilling, temperature reaches 300 DEG C, does not add water cooling, alloy works in the event of high temperatures and namely weares and teares or rupture for 3-4 days, rear use jet bit of the present invention, owing to adding cold water cooling, the temperature of drill bit rock drilling only 150 DEG C, application life is 25 days, bores rock efficiency and greatly improves.
Claims (11)
1. a jet bit, it is characterized in that: comprise slider block (1), cylindrical shell (2), slide bar (8), regulator (4), base (6), slurry filter (7) and mud compression bag (11), regulator (4) is connected with base (6) and mud compression bag (11), it is inner that slurry filter (7) is positioned at slider block (1), slider block (1) is connected with the jack rod sleeve (14) on cylindrical shell (2) by slide bar (8), cylindrical shell (2) is fixedly connected with base (6), mud compression bag (11) top being positioned at cylindrical shell (2) inner is communicated with by one way valve (9) with slurry filter (7), mud compression bag (11) inwall transverse cross-sectional shape is identical with slurry filter (7) outer wall transverse cross-sectional shape and match, mud compression bag (11) bottom is communicated with by one way valve (13) with the mud main flow pipe (15) on base (6).
2. jet bit as claimed in claim 1, it is characterized in that: described base (6) middle part assembling vibrating disk, below (24), assembly bit drill alloy disks (23) under vibrating disk (24), base (6) the below surrounding assembling main gear hobbing of alloy (18), limit gear hobbing (19) and alloy jet bit (20).
3. jet bit as claimed in claim 2, it is characterized in that: described base (6) is provided with the injection pipe (17) and jet blower (21) that are communicated with mud main flow pipe (15), be provided with the alloy bit playpipe (16) be communicated with injection pipe (17) in alloy jet bit (20), described combination bit drill alloy disks (23) inside is provided with the mud tributary be communicated with mud main flow pipe (15) and manages (22).
4. plant jet bit as claimed in claim 1, it is characterized in that: described slide bar (8) quantity is more than 2; Slide bar (8) is enclosed with sheath (3).
5. jet bit as claimed in claim 1, is characterized in that: described regulator is the one in hydraulic pressure adjusting device, gear regulator, chain regulator, air pressure regulator, hydraulic pressure regulator, electric adjustable pressure device, spring regulator.
6. jet bit as claimed in claim 1, is characterized in that: described mud compression bag (11) quantity is more than 1; Its cross section is the one in circle, ellipse or polygon; There is filler mud compression bag (11) inside.
7. the jet bit as described in any one of Claims 2 or 3, is characterized in that: cover the periphery in whole cylindrical shell when the alloy jet bit (20) installed rotates.
8. the jet bit as described in any one of Claims 2 or 3, is characterized in that: the main gear hobbing of the alloy installed (18), limit gear hobbing (19) cover the periphery in whole cylindrical shell when rotating.
9. the jet bit as described in any one of Claims 2 or 3, is characterized in that: the alloy jet bit (20) that base (6) assembles is according to the size adjustment quantity in aperture.
10. the jet bit as described in any one of Claims 2 or 3, is characterized in that the main gear hobbing of alloy (18) that base (6) assembles, limit gear hobbing (19) are according to size adjustment length, diameter, the number of teeth in aperture.
11. jet bits as described in any one of claim 1 or 5, is characterized in that described regulator (4) dispense pressure is sent to base (6) and mud compression bag (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283336.3U CN204729012U (en) | 2015-05-05 | 2015-05-05 | A kind of jet bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283336.3U CN204729012U (en) | 2015-05-05 | 2015-05-05 | A kind of jet bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729012U true CN204729012U (en) | 2015-10-28 |
Family
ID=54387371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520283336.3U Expired - Fee Related CN204729012U (en) | 2015-05-05 | 2015-05-05 | A kind of jet bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204729012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989282A (en) * | 2015-08-17 | 2015-10-21 | 罗金泉 | Jet bit |
| CN111472691A (en) * | 2020-04-20 | 2020-07-31 | 牡丹江师范学院 | Multifunctional diamond drill bit |
-
2015
- 2015-05-05 CN CN201520283336.3U patent/CN204729012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989282A (en) * | 2015-08-17 | 2015-10-21 | 罗金泉 | Jet bit |
| CN111472691A (en) * | 2020-04-20 | 2020-07-31 | 牡丹江师范学院 | Multifunctional diamond drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |