CN201909723U - In-situ hermetical coal bed gas sampler - Google Patents
In-situ hermetical coal bed gas sampler Download PDFInfo
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- CN201909723U CN201909723U CN2011200054836U CN201120005483U CN201909723U CN 201909723 U CN201909723 U CN 201909723U CN 2011200054836 U CN2011200054836 U CN 2011200054836U CN 201120005483 U CN201120005483 U CN 201120005483U CN 201909723 U CN201909723 U CN 201909723U
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- coal
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- storage cabin
- gas
- bed gas
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Abstract
The utility model discloses an in-situ hermetical coal bed gas sampler, which comprises a hollow long stem, a spiral rib is arranged on the periphery of the long stem, a coal storage bin, a closed bin, a drive bin and a power and control bin are respectively arranged from the front to the rear in the long stem, the closed bin is provided with a coal inlet, a reciprocating push-pull mechanism is arranged in the drive bin, a miniature power reducer motor which provides power for the reciprocating push-pull mechanism is arranged in the power and control bin, the front end of the reciprocating push-pull mechanism is transmissively connected with a piston-slide bushing assembly for opening and closing the coal inlet, and the front end of the coal storage bin is provided with a gas desorption hole. The sampler is mainly used in the sampling step before the laboratory determination of gas content, and can hermetically collect coal samples and gas in situ, underground desorption is not needed, the calculation of loss is not needed as well during the determination of gas content, and the sampler can provide reliable basic parameters for the treatment and prevention of coal mine gas and other related fields, has a high practical value, and is easy to popularize and apply.
Description
Technical field
The utility model belongs to coal mine gas assay technical field, relates in particular to a kind of coal-bed gas sealing sampler on the throne.
Background technology
Coal seam gas-bearing capacity is one of important parameter of gas control and control and association areas such as coal-seam gas evaluation and exploitation, and gas bearing capacity mensuration is the international difficult problem in gas prediction and gas control field always simultaneously.So far the main cause that does not have to break through has 2 points: the first, coal sample can not guarantee fixed point collection, second, the gas loss amount can't accomplish accurate calculating.Gas bearing capacity will accurately be measured just must satisfy above 2 requirements simultaneously.
At present, the loss amount that focused on that lot of domestic and international expert measures gas bearing capacity calculates, and has set up different models and has simulated gas absorption and resolving, calculates the loss amount of gas bearing capacity in mensuration thereby drawn a series of computing formula; Because the absorption of gas, parsing are coefficient processes such as chemistry, physics and complicated environmental condition, factors such as yet these models are all set up in the laboratory, and condition is single, model is simple cause meeting coal-bed gas actual resolved situation fully.Therefore, none or a kind of equipment can be measured gas bearing capacity exactly so far.
The utility model content
The utility model provides a kind of easy and simple to handle, also accurate coal-bed gas sealing sampler on the throne of measuring coal seam gas-bearing capacity of the samples of coal pulled of can fixing a point in order to solve weak point of the prior art.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: coal-bed gas sealing sampler on the throne, the long pole that comprises hollow, the long pole excircle is provided with spiral ridge, described long pole inside is respectively equipped with the coal storage cabin from front to back, enclosure, transmission cabin and power and control cabinet, the enclosure place is provided with coal feed point, be provided with reciprocating sliding mechanism in the transmission cabin, be provided with the miniature dynamic retarding motor that power is provided for reciprocating sliding mechanism in power and the control cabinet, reciprocating sliding mechanism front end is connected with the piston sliding bush apparatus of switch coal feed point, and coal storage cabin front end is provided with gas and resolves the hole.
Described coal storage cabin internal diameter is less than the enclosure internal diameter, the sliding sleeve that described piston sliding bush apparatus comprises the piston that is slidingly matched with coal storage cabin rear inside wall, is slidingly matched with the enclosure inwall, the anterior one section internal diameter of sliding sleeve is consistent with coal storage cabin internal diameter, at least be provided with the O RunddichtringO outside piston week one, piston rear end is connected with reciprocating sliding mechanism front end.
The nut that described reciprocating sliding mechanism comprises leading screw, is spirally connected with leading screw, the leading screw front end is connected with piston rear end, the leading screw rear end is connected with miniature dynamic retarding motor output shaft, and the leading screw front end is bolted with the sleeve of roof pressure sliding sleeve rear end, and nut is fixedlyed connected with the long pole inwall.
Described piston nose is provided with coal sample is transported to coal sample conveying mechanism in the coal storage cabin by enclosure.
Described coal sample conveying mechanism comprises the miniature conveying reducing motor that is located at the internal piston front end, and miniature conveying reducing motor front end output shaft is connected with the spiral coal pusher coaxial with the coal storage cabin.
Described long pole front-end and back-end are respectively equipped with drill bit spare coaxial with it and connector.
Adopt technique scheme, miniature dynamic retarding motor and miniature conveying reducing motor are all realized expectant control by the single-chip microcomputer and the integrated circuit that are arranged in power and the control cabinet according to the program of setting, and can use battery or lead to connect external power source and be power and control assembly power supply.Long pole is arranged on mining twist drill rods foremost, rotate in the coal seam with drilling rod, the piston sliding bush apparatus is with the coal feed point shutoff of enclosure in the drilling process, set the place when being drilled into the coal seam, miniature dynamic retarding motor rotates, driving the piston sliding bush apparatus by reciprocating sliding mechanism moves backward, coal feed point is opened, coal sample enters in the enclosure by coal feed point, miniature dynamic retarding motor is backward rotation again, drives the piston sliding bush apparatus by reciprocating sliding mechanism and moves forward, and the piston sliding bush apparatus is shifted coal sample in the coal storage cabin onto, the fixed point of realization coal sample is obtained, and the coal sample of obtaining can be resolved the mensuration that gas bearing capacity is carried out in the hole by gas; When driving piston, reciprocating sliding mechanism moves backward, after moving a certain distance, after O RunddichtringO on the piston enters sliding sleeve inside by the coal storage cabin, drive sliding sleeve and move backward, opened coal feed point, coal sample enters enclosure, move when reciprocating sliding mechanism drives piston forward, the O RunddichtringO on the piston is by entering in the sliding sleeve in the coal storage cabin, after leading screw moves a certain distance, sleeve promotes sliding sleeve forward and is advanced to the precalculated position, closes coal feed point; Reciprocating sliding mechanism is made up of leading screw and nut, and is simple in structure, be easy to realize to-and-fro movement; Piston nose is provided with the coal sample conveying mechanism, after coal feed point is opened, coal sample is transported in the coal storage cabin, and after sampling finished, miniature dynamic retarding motor is backward rotation again, drives the leading screw backward rotation and promotes piston forward and move piston shutoff coal feed point; The coal sample conveying mechanism adopts miniature conveying reducing motor to drive the structure of spiral coal pusher, axially carries effective; Drill bit spare is used to creep into the coal seam, and connector is used for being connected with the drilling rod axial restraint.
The utility model is in strict accordance with the coal mine explosion-proof standard design, principle science, easy and simple to handle, high efficiency, the utility model is mainly used in the sampling element before the gas bearing capacity experimental determination, realize coal sample and gas sealing collection on the throne, do not need the down-hole to resolve, in gas bearing capacity is measured, do not need the calculating of loss amount yet, for association areas such as control of coalmine gas and control provide reliable underlying parameter, have stronger practical value, be easy to apply.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the enlarged drawing at I place in the middle of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, coal-bed gas of the present utility model sealing sampler on the throne, the long pole 1 that comprises hollow, long pole 1 excircle is provided with spiral ridge 2, long pole 1 front-end and back-end are respectively equipped with drill bit spare coaxial with it 3 and connector 4, long pole 1 inside is respectively equipped with coal storage cabin 5 from front to back, enclosure 6, transmission cabin 7 and power and control cabinet 8, enclosure 6 places are provided with coal feed point 9, be provided with reciprocating sliding mechanism in the transmission cabin 7, be provided with the miniature dynamic retarding motor 10 that power is provided for reciprocating sliding mechanism in power and the control cabinet 8, reciprocating sliding mechanism front end is connected with the piston sliding bush apparatus of switch coal feed point 9, and coal storage cabin 5 front ends are provided with gas and resolve hole 16.
Coal storage cabin 5 internal diameters are less than enclosure 6 internal diameters, the sliding sleeve 17 that the piston sliding bush apparatus comprises the piston 11 that is slidingly matched with coal storage cabin 5 rear inside wall, is slidingly matched with enclosure 6 inwalls, sliding sleeve 17 anterior one section internal diameter are consistent with coal storage cabin 5 internal diameters, piston 11 excircles are provided with O RunddichtringO 18 at least one, and piston 11 rear ends are connected with reciprocating sliding mechanism front end.
The nut 13 that reciprocating sliding mechanism comprises leading screw 12, is spirally connected with leading screw 12, leading screw 12 front ends are connected with piston 11 rear ends, leading screw 12 rear ends are connected with the output shaft of miniature dynamic retarding motor 10, leading screw 12 front ends are bolted with the sleeve 19 of roof pressure sliding sleeve 17 rear ends, and nut 13 is fixedlyed connected with the inwall of long pole 1.
Piston 11 front ends are provided with coal sample are transported to coal sample conveying mechanism in the coal storage cabin 5 by enclosure 6.The coal sample conveying mechanism comprises the miniature conveying reducing motor 14 that is located at piston 11 interior forward end, and miniature conveying reducing motor 14 front end output shafts are connected with the spiral coal pusher 15 coaxial with coal storage cabin 5.
Miniature dynamic retarding motor 10 and miniature conveying reducing motor 14 are all realized expectant control by being arranged in power and the control cabinet 8 single-chip microcomputer and integrated circuit according to the program of setting, and can use battery or lead to connect external power source is power and control assembly power supply.
When work is used, long pole 1 is arranged on mining twist drill rods foremost by connector 4, rotate in the coal seam with drilling rod, sliding sleeve 17 is with coal feed point 9 shutoff of enclosure 6 in the drilling process, set the place when being drilled into the coal seam, begin to take a sample, miniature dynamic retarding motor 10 rotates, driving leading screw 12 rotations and pulling piston 11 moves backward, after moving a certain distance, after O RunddichtringO 18 on the piston 11 enters sliding sleeve 17 inside by coal storage cabin 5, drive sliding sleeve 17 and move backward, coal feed point 9 is opened, and coal sample enters in the enclosure 6 by coal feed point 9, miniature dynamic retarding motor 10 is backward rotation again, drive leading screw 12 backward rotation and promote piston 11 and move forward, the O RunddichtringO 18 on the piston 11 is by entering in the sliding sleeve 17 in the coal storage cabin 5, after leading screw 12 moves forward certain distance, sleeve 19 promotes sliding sleeve 17 forward and is advanced to the precalculated position, with coal feed point 9 shutoff.In the process of sliding sleeve 17 shutoff coal feed points 9, miniature conveying reducing motor 14 is opened and is driven 15 rotations of spiral coal pusher, and spiral conveyer 15 is transported to coal sample in the coal storage cabin 5.Thereby realize the sealing collection on the throne of coal sample.
Claims (6)
1. coal-bed gas sealing sampler on the throne, the long pole that comprises hollow, the long pole excircle is provided with spiral ridge, it is characterized in that: described long pole inside is respectively equipped with coal storage cabin, enclosure, transmission cabin and power and control cabinet from front to back, the enclosure place is provided with coal feed point, be provided with reciprocating sliding mechanism in the transmission cabin, be provided with the miniature dynamic retarding motor that power is provided for reciprocating sliding mechanism in power and the control cabinet, reciprocating sliding mechanism front end is connected with the piston sliding bush apparatus of switch coal feed point, and coal storage cabin front end is provided with gas and resolves the hole.
2. coal-bed gas according to claim 1 sealing sampler on the throne, it is characterized in that: described coal storage cabin internal diameter is less than the enclosure internal diameter, the sliding sleeve that described piston sliding bush apparatus comprises the piston that is slidingly matched with coal storage cabin rear inside wall, is slidingly matched with the enclosure inwall, the anterior one section internal diameter of sliding sleeve is consistent with coal storage cabin internal diameter, at least be provided with the O RunddichtringO outside piston week one, piston rear end is connected with reciprocating sliding mechanism front end.
3. coal-bed gas according to claim 2 sealing sampler on the throne, it is characterized in that: the nut that described reciprocating sliding mechanism comprises leading screw, is spirally connected with leading screw, the leading screw front end is connected with piston rear end, the leading screw rear end is connected with miniature dynamic retarding motor output shaft, the leading screw front end is bolted with the sleeve of roof pressure sliding sleeve rear end, and nut is fixedlyed connected with the long pole inwall.
4. according to claim 2 or 3 described coal-bed gas sealing sampler on the throne, it is characterized in that: described piston nose is provided with coal sample is transported to coal sample conveying mechanism in the coal storage cabin by enclosure.
5. coal-bed gas according to claim 4 sealing sampler on the throne, it is characterized in that: described coal sample conveying mechanism comprises the miniature conveying reducing motor that is located at the internal piston front end, and miniature conveying reducing motor front end output shaft is connected with the spiral coal pusher coaxial with the coal storage cabin.
6. according to claim 1 or 2 or 3 described coal-bed gas sealing sampler on the throne, it is characterized in that: described long pole front-end and back-end are respectively equipped with drill bit spare coaxial with it and connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200054836U CN201909723U (en) | 2011-01-10 | 2011-01-10 | In-situ hermetical coal bed gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200054836U CN201909723U (en) | 2011-01-10 | 2011-01-10 | In-situ hermetical coal bed gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909723U true CN201909723U (en) | 2011-07-27 |
Family
ID=44301924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200054836U Expired - Lifetime CN201909723U (en) | 2011-01-10 | 2011-01-10 | In-situ hermetical coal bed gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201909723U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103041A (en) * | 2011-01-10 | 2011-06-22 | 河南理工大学 | On-site sealed sampling device for coal bed gas |
| CN105201418A (en) * | 2015-10-16 | 2015-12-30 | 平安开诚智能安全装备有限责任公司 | Coring drill pipe and coring device |
| CN113484185A (en) * | 2021-07-19 | 2021-10-08 | 中国矿业大学 | Fixed-point sampling device and method for integrally measuring gas content in underground coal mine |
-
2011
- 2011-01-10 CN CN2011200054836U patent/CN201909723U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103041A (en) * | 2011-01-10 | 2011-06-22 | 河南理工大学 | On-site sealed sampling device for coal bed gas |
| CN102103041B (en) * | 2011-01-10 | 2012-07-25 | 河南理工大学 | On-site sealed sampling device for coal bed gas |
| CN105201418A (en) * | 2015-10-16 | 2015-12-30 | 平安开诚智能安全装备有限责任公司 | Coring drill pipe and coring device |
| CN105201418B (en) * | 2015-10-16 | 2017-10-31 | 平安开诚智能安全装备有限责任公司 | Coring drill rod and coring device |
| CN113484185A (en) * | 2021-07-19 | 2021-10-08 | 中国矿业大学 | Fixed-point sampling device and method for integrally measuring gas content in underground coal mine |
| CN113484185B (en) * | 2021-07-19 | 2022-04-29 | 中国矿业大学 | Fixed-point sampling device and method for integrally measuring gas content in underground coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110727 Effective date of abandoning: 20120725 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110727 Effective date of abandoning: 20120725 |