CN101881160A - Fixed point sampler - Google Patents
Fixed point sampler Download PDFInfo
- Publication number
- CN101881160A CN101881160A CN2010102098896A CN201010209889A CN101881160A CN 101881160 A CN101881160 A CN 101881160A CN 2010102098896 A CN2010102098896 A CN 2010102098896A CN 201010209889 A CN201010209889 A CN 201010209889A CN 101881160 A CN101881160 A CN 101881160A
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- CN
- China
- Prior art keywords
- drill bit
- drilling rod
- sleeve pipe
- chute
- fixed point
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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.)
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- Sampling And Sample Adjustment (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a fixed point sampler which comprises a drill rod, wherein a sleeve is clamped on the surface of the rear in the drill rod; the front end of the drill rod is fixedly connected with an inner drill bit; the outer surface of the inner drill bit is slidably sleeved with a cylindrical outer drill bit; a core tube is screwed on a drill bit step at the rear of the outer drill bit; the rear of the core tube is screwed on a sleeve step at the front end of the sleeve; the rear of the sleeve is provided with a positioning hole; a chute is axially arranged on the inner surface of the sleeve at the positioning hole position; the middle rear of the outer surface of the drill rod is provided with a keyway corresponding to the position of the chute; a spring is arranged in the keyway, and a positioning pin which is adapted to the chute is butted against the spring; an axial central hole is arranged in the drill rod, and a through hole which is communicated with the central hole is arranged in the outer drill bit. The invention can finish a drilling work and a sampling work at one step; compared with the traditional method for sampling after drilling, the invention improves the working efficiency, and meanwhile, a sampling space surrounded by the front end of the inner drill bit and the outer drill bit can protect a sample from being lost and polluted while taking out.
Description
Technical field
The present invention relates to a kind of drilling tool.
Background technology
Along with the enforcement of " control coal and gas are given prominence to regulation ", local control measures is administered to the zone and is transformed, and the band length that the boring that requires suitable layer boring to take out the measure of coal road band coal-bed gas area defense in advance should be controlled is not less than 60 meters; One of zone measure effect checking measure is exactly the mensuration of coal-bed gas residual content, and require the validity check measuring point to be arranged in 20 meters to the 55 meters scopes, traditional sampling mode relies on the sampling of boring row powder, boring earlier, treat drill bit withdraw from after sampling again, not only operating efficiency is lower, and coal sample on the way through expose, loose loss amount is bigger, the coal sample of getting also not exclusively be the coal sample of required measuring point, directly affect the authenticity of regional measure effect check.Do not have at present in coal seam or rock stratum, to creep into and to take a sample and obtained sample can on the way not lose or contaminated drilling tool.
Summary of the invention
The object of the present invention is to provide a kind of fixed point sampler, can in coal seam or rock stratum, will creep into, sampling work is once finished and obtained sample can on the way not incur loss or pollute.
For achieving the above object, fixed point sampler of the present invention comprises drilling rod, the drilling rod postmedian be arranged with sleeve pipe in appearance, sleeve pipe front end radial depressions is provided with the sleeve pipe step; The drilling rod front end is fixed with interior drill bit, interior drill bit external surface slip cap is provided with the outer drill bit of tubular, and outer drill bit rear portion radial depressions is provided with the drill bit step, and being spirally connected on the drill bit step is provided with basket, the basket rear portion is screwed onto on the described sleeve pipe step, and basket is identical with the external diameter of sleeve pipe; Described sleeve pipe rear portion is provided with locating hole, is axially arranged with chute on the internal surface of casing at locating hole place; Corresponding with the position of described chute, described drilling rod is provided with cotter way at the postmedian of its external surface, is provided with spring in the cotter way, and roof pressure is provided with and the suitable alignment pin of described chute on the spring; Be provided with axial centre bore in the described drilling rod, be provided with the through hole that is connected with described centre bore in the described outer drill bit.
Described drilling rod is outer hexagonal kelly, and the shape of described sleeve pipe and drilling rod is suitable to be interior six square casings.
Described alignment pin is soft alignment pin.
Drill bit is connected in the drilling rod front end by the mode that is spirally connected in described.
The present invention has following advantage:
1. the present invention is simple in structure, and is easy to use.Drilling rod and external power set are in transmission connection during use, thus drilling rod directly drive in drill bit rotation, the drilling rod transmission by sleeve pipe, basket drive outer drill bit and rotate inside and outside drill bit to be cooperated together finish normal (inclination) of coal (rock) body crept into, cut.Creep into, when cutting, blown in the drilling rod centre bore or sent water by external air-supply or water sending device, wind (or water) by the ejection of the through hole in the interior drill bit, washes away the dust that creeps into, produce when cutting under the effect of pressure.
To get coal (rock) in 30 meters positions of hole depth is example, the present invention is by wind-force (or waterpower) row powder, when treating normally to creep into 30 meters, stop air feed (or water supply) to drilling rod, continue to creep into 0.5 meter, then interior drilling rod is retreated 0.5-1 rice, continue to creep into after making alignment pin stick into locating hole, the space that is surrounded with interior chisel edge and outer drill bit is as the sampler space, and target coal (rock) layer is carried out sampling work.Because the protection of the sampler space is arranged, therefore taking a sample, this can not polluted midway.Owing to be that the frictional force that produces because of extruding between inclined drill and sample and the outer drill bit is bigger when creeping into, therefore sample can not drop from the sampler space when taking-up sample (withdrawing from drill bit from hole) again.In a word; the present invention can once finish boring, two kinds of work of sampling; with boring earlier in the past again sampling compare and improved operating efficiency greatly, simultaneously in the sampler space that surrounded of chisel edge and outer drill bit can protect sample in the process of taking-up, not suffer a loss and pollute.
2. drilling rod is outer hexagonal kelly, and the shape of described sleeve pipe and drilling rod is suitable to be interior six square casings, not only is convenient to the assembling and the dismounting of drilling rod and sleeve pipe, has guaranteed that also the two has good drive connection.
3. alignment pin is soft alignment pin, is difficult for wear sleeve.
4. interior drill bit is connected in the drilling rod front end by the mode that is spirally connected, and easy to assembly, transmission is good.
Description of drawings
Fig. 1 is the structural representation of the present invention under the state of creeping into;
Fig. 2 is the structural representation of the present invention under the sampling state.
The specific embodiment
As shown in Figure 1, fixed point sampler of the present invention comprises drilling rod 1, drilling rod 1 postmedian be arranged with sleeve pipe 2 in appearance, sleeve pipe 2 front end radial depressions are provided with sleeve pipe step 2A; Drill bit 4 in drilling rod 1 front end is fixed with by the mode that is spirally connected, interior drill bit 4 external surface slip caps are provided with the outer drill bit 10 of tubular, outer drill bit 10 rear portion radial depressions are provided with drill bit step 10A, be spirally connected on the drill bit step 10A and be provided with basket 3, basket 3 rear portions are screwed onto on the described sleeve pipe step 2A, the external diameter of basket 3 and sleeve pipe 2 identical (" identical " here is not absolute certainly, do not influence the external diameter of basket 3 and sleeve pipe 22 can have less error under the prerequisite of creeping into); Described sleeve pipe 2 rear portions are provided with locating hole 6, are axially arranged with chute 7 on sleeve pipe 2 inner surfaces at locating hole 6 places; Corresponding with the position of described chute 7, described drilling rod 1 is provided with cotter way 8 at the postmedian of its external surface, is provided with spring 9 in the cotter way 8, and roof pressure is provided with the alignment pin 11 suitable with described chute 7 on the spring 9; Be provided with axial centre bore 12 in the described drilling rod 1, be provided with the through hole 13 that is connected with described centre bore 12 in the described outer drill bit 10.Wherein, described drilling rod 1 is outer hexagonal kelly 1, and described sleeve pipe 2 is suitable with the shape of drilling rod 1 to be interior six square casings 2; Described alignment pin 11 is soft alignment pin 11.
During use, drilling rod 1 is in transmission connection with external power set, thus drilling rod 1 directly drive in drill bit 4 rotations, drilling rod 1 transmission by sleeve pipe 2, basket 3 drive outer drill bit 10 and rotate and make inside and outside drill bit 4,10 cooperate normal (inclination) finished coal (rock) body to creep into, cut together.Creep into, when cutting, in drilling rod 1 centre bore, blow or send water by external air-supply or water sending device, wind (or water) under the effect of pressure by the ejection of the through hole in the interior drill bit 4, with creep into, the dust of generation when cutting washes away.
To get coal (rock) in 30 meters positions of hole depth is example, drilling tool is by wind-force (or waterpower) row powder, when treating normally to creep into 30 meters, stop air feed (or water supply) to drilling rod 1, continue to creep into 0.5 meter, drilling rod 1 relative sleeve pipe 2 retreats 0.5-1 rice in making then, makes soft alignment pin 11 continue to creep into after chute 7 snaps in locating hole 6, the space that is surrounded with interior drill bit 4 front ends and outer drill bit 10 is as the sampler space, and target coal (rock) layer is carried out sampling work.Because the protection of the sampler space is arranged, therefore taking a sample, this can not polluted midway.Owing to be that the frictional force that produces because of extruding between inclined drill and sample and the outer drill bit 10 is bigger when creeping into, therefore sample can not drop from the sampler space when taking-up sample (withdrawing from drill bit from hole) again.In a word; the present invention can once finish boring, two kinds of work of sampling; with boring earlier in the past again sampling compare and improved operating efficiency, simultaneously in the sampler space that surrounded of drill bit 4 front ends and outer drill bit 10 can protect sample in the process of taking-up, not suffer a loss and pollute.
Claims (3)
1. fixed point sampler is characterized in that: comprise drilling rod (1), drilling rod (1) postmedian be arranged with sleeve pipe (2) in appearance, sleeve pipe (2) front end radial depressions is provided with sleeve pipe step (2A); Drilling rod (1) front end is fixed with interior drill bit (4), interior drill bit (4) external surface slip cap is provided with the outer drill bit (10) of tubular, outer drill bit (10) rear portion radial depressions is provided with drill bit step (10A), be spirally connected on the drill bit step (10A) and be provided with basket (3), basket (3) rear portion is screwed onto on the described sleeve pipe step (2A), and basket (3) is identical with the external diameter of sleeve pipe (2); Described sleeve pipe (2) rear portion is provided with locating hole (6), is axially arranged with chute (7) on sleeve pipe (2) inner surface that locating hole (6) is located; Corresponding with the position of described chute (7), described drilling rod (1) is provided with cotter way (8) at the postmedian of its external surface, is provided with spring (9) in the cotter way (8), and spring (9) is gone up roof pressure and is provided with the alignment pin (11) suitable with described chute (7); Be provided with axial centre bore (12) in the described drilling rod (1), be provided with the through hole (13) that is connected with described centre bore (12) in the described outer drill bit (10).
2. fixed point sampler according to claim 1 is characterized in that: described drilling rod (1) is an outer hexagonal kelly (1), and described sleeve pipe (2) is suitable with the shape of drilling rod (1) to be interior six square casings (2).
3. fixed point sampler according to claim 1 and 2 is characterized in that: described alignment pin (11) is a soft alignment pin (11).
4 fixed point samplers according to claim 3 is characterized in that: drill bit (4) is connected in drilling rod (1) front end by the mode that is spirally connected in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010209889 CN101881160B (en) | 2010-06-25 | 2010-06-25 | Fixed point sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010209889 CN101881160B (en) | 2010-06-25 | 2010-06-25 | Fixed point sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101881160A true CN101881160A (en) | 2010-11-10 |
| CN101881160B CN101881160B (en) | 2013-05-01 |
Family
ID=43053279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010209889 Expired - Fee Related CN101881160B (en) | 2010-06-25 | 2010-06-25 | Fixed point sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101881160B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840755A (en) * | 2017-03-28 | 2017-06-13 | 中国地质大学（武汉） | The device of fixed point fast sampling in a kind of underground coal body |
| CN107355190A (en) * | 2017-04-28 | 2017-11-17 | 河南理工大学 | A kind of primary-secondary drill device for fixed point sampling |
| CN110646236A (en) * | 2019-09-29 | 2020-01-03 | 中煤科工集团重庆研究院有限公司 | Coal seam sealing and sampling device while drilling |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3981371A (en) * | 1975-06-06 | 1976-09-21 | Jamie Malcolm Wallis | Core sampling drill |
| EP0208532A2 (en) * | 1985-07-09 | 1987-01-14 | Diamant Boart (Uk) Limited | Core sampling device |
| CN2161718Y (en) * | 1993-07-14 | 1994-04-13 | 辽河石油勘探局钻井一公司 | Regulating device for inner barrel of core-drilling tool |
| CN101215959A (en) * | 2008-01-11 | 2008-07-09 | 中国地质大学（武汉） | Double tube forced core-picking drill |
| CN201193481Y (en) * | 2008-03-04 | 2009-02-11 | 煤炭科学研究总院西安研究院 | Drill with inner core removable for drilling |
| CN201254953Y (en) * | 2008-09-03 | 2009-06-10 | 安徽省地质矿产勘查局313地质队 | Core drill for undisturbed sample of unconsolidated formation |
| CN201696040U (en) * | 2010-06-25 | 2011-01-05 | 郑州远见矿用设备有限公司 | Spot sampling device |
-
2010
- 2010-06-25 CN CN 201010209889 patent/CN101881160B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3981371A (en) * | 1975-06-06 | 1976-09-21 | Jamie Malcolm Wallis | Core sampling drill |
| EP0208532A2 (en) * | 1985-07-09 | 1987-01-14 | Diamant Boart (Uk) Limited | Core sampling device |
| CN2161718Y (en) * | 1993-07-14 | 1994-04-13 | 辽河石油勘探局钻井一公司 | Regulating device for inner barrel of core-drilling tool |
| CN101215959A (en) * | 2008-01-11 | 2008-07-09 | 中国地质大学（武汉） | Double tube forced core-picking drill |
| CN201193481Y (en) * | 2008-03-04 | 2009-02-11 | 煤炭科学研究总院西安研究院 | Drill with inner core removable for drilling |
| CN201254953Y (en) * | 2008-09-03 | 2009-06-10 | 安徽省地质矿产勘查局313地质队 | Core drill for undisturbed sample of unconsolidated formation |
| CN201696040U (en) * | 2010-06-25 | 2011-01-05 | 郑州远见矿用设备有限公司 | Spot sampling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840755A (en) * | 2017-03-28 | 2017-06-13 | 中国地质大学（武汉） | The device of fixed point fast sampling in a kind of underground coal body |
| CN107355190A (en) * | 2017-04-28 | 2017-11-17 | 河南理工大学 | A kind of primary-secondary drill device for fixed point sampling |
| CN110646236A (en) * | 2019-09-29 | 2020-01-03 | 中煤科工集团重庆研究院有限公司 | Coal seam sealing and sampling device while drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101881160B (en) | 2013-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Free format text: FORMER NAME: ZHENGZHOU YUANJIAN COAL MINE EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 452370, building 2, No. 26, Songshan Road, Xinmi, Henan, Zhengzhou Patentee after: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Address before: 2 building, No. 26, Songshan Road, Xinmi, Henan, 452370 Patentee before: Zhengzhou Yuanjian Coal Mine Equipment Co., Ltd. |
|
| 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: 20130501 Termination date: 20180625 |