CN201917466U - Device for fixed point sampling of coal bed - Google Patents
Device for fixed point sampling of coal bed Download PDFInfo
- Publication number
- CN201917466U CN201917466U CN2011200054959U CN201120005495U CN201917466U CN 201917466 U CN201917466 U CN 201917466U CN 2011200054959 U CN2011200054959 U CN 2011200054959U CN 201120005495 U CN201120005495 U CN 201120005495U CN 201917466 U CN201917466 U CN 201917466U
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- coal
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Abstract
The utility model discloses a device for fixed point sampling of a coal bed. The device comprises a hollow long rod piece, wherein spiral convex ridges are arranged on the outer circumference of the long rod piece; a coal storage bunker, a seal chamber, a transmission chamber as well as a power and control chamber are respectively arranged in the long rod piece from front to back; a coal inlet is arranged at the seal chamber; a reciprocating push-and-pull mechanism is arranged in the transmission chamber; a miniature power reducing motor used for providing motive power for the reciprocating push-and-pull mechanism is arranged in the power and control chamber; and a piston used for switching on/off the coal inlet is in transmission connection with the front end of the reciprocating push-and-pull mechanism. The device is designed strictly in accordance with the coal mine anti-explosion standard, has a scientific principle, is convenient for operation, has high operating efficiency, can realize the effects of accurate sampling spot and completion time, provides reliable fundamental parameters for related fields such as coal mine methane gas management and prevention, has greater utility value, and is easy to popularize and use.
Description
Technical field
The utility model belongs to the outstanding Prevention Technique field of coal mine gas, relates in particular to a kind of coal seam spot sampling device.
Background technology
Coal and gas are outstanding to be one of current colliery major disaster, and along with the intensification day by day of the coal mining degree of depth, its seriousness is also in remarkable increase.According to " safety regulations in coal mine " and " the outstanding regulation of control coal and gas ": " exploit when projecting coal bed, must take to comprise outburst hazard prediction, the outstanding measure of control, control give prominence to the validity check of measure, the aggregate measures of safety prevention measure etc. ".Yet when making the outburst prediction parametric measurement, need carry out the collection of coal sample to the degree of depth of coal seam appointment, the samples of coal pulled of just fixing a point, though current have some equipment to gather at outburst prediction coal sample fixed point, but in practical operation with in using also is to be difficult to accomplish fixed point collection, or uses inconvenient.
Except that some grab sampling equipment, what current outburst prediction sampling work generally adopted is the aperture sampling method, and this method mainly contains two very important disadvantages: the first, the sampling position is inaccurate.The coal sample of gathering in the aperture can not guarantee it is the coal sample of distance to a declared goal, and when drilling rod moved in the coal seam, the coal borer bits also moved in boring, so the coal in each place mixes.The second, the sampling deadline is inaccurate.Because the coal borer bits move in boring, the coal sample that arrives the coal sample jar is owing to shortcoming one, and the parsing time of coal sample be can not determine.
The utility model content
The utility model provides a kind of easy and simple to handle in order to solve weak point of the prior art, high efficiency, the sampling position accurately, deadline coal seam spot sampling device accurately.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: coal seam spot sampling device, the long pole that comprises hollow, the long pole excircle is provided with spiral ridge, 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 of switch coal feed point.
Described reciprocating sliding mechanism comprise leading screw, with the nut that leading screw is spirally connected, 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, 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, piston 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 piston 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, drive piston forward by reciprocating sliding mechanism and move, piston is shifted coal sample in the coal storage cabin onto, realizes that the fixed point of coal sample is obtained; 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, can realize the sampling position accurately, deadline effect accurately, 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.
Embodiment
As shown in Figure 1, coal seam of the present utility model spot sampling device, 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 11 of switch coal feed point 9.
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, and leading screw 12 rear ends are connected with the output shaft of miniature dynamic retarding motor 10, 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, piston 11 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, coal feed point 9 is opened, and coal sample is advanced 9 by coal feed point and gone in enclosure 6, simultaneously, 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.After sampling finished, miniature dynamic retarding motor 10 is backward rotation again, drove leading screw 12 backward rotation and promote piston 11 to move forward piston 11 shutoff coal feed points 9.
Claims (5)
1. coal seam spot sampling device, 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 of switch coal feed point.
2. coal seam according to claim 1 spot sampling device, 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, and the leading screw rear end is connected with miniature dynamic retarding motor output shaft, and nut is fixedlyed connected with the long pole inwall.
3. coal seam according to claim 1 and 2 spot sampling device 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.
4. coal seam according to claim 3 spot sampling device, 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.
5. coal seam according to claim 1 and 2 spot sampling device 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 |
|---|---|---|---|
| CN2011200054959U CN201917466U (en) | 2011-01-10 | 2011-01-10 | Device for fixed point sampling of coal bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200054959U CN201917466U (en) | 2011-01-10 | 2011-01-10 | Device for fixed point sampling of coal bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917466U true CN201917466U (en) | 2011-08-03 |
Family
ID=44417260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200054959U Expired - Fee Related CN201917466U (en) | 2011-01-10 | 2011-01-10 | Device for fixed point sampling of coal bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776659A (en) * | 2013-12-31 | 2014-05-07 | 河南理工大学 | Negative-pressure draw-out type coal layer gas content spot sampling method |
-
2011
- 2011-01-10 CN CN2011200054959U patent/CN201917466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776659A (en) * | 2013-12-31 | 2014-05-07 | 河南理工大学 | Negative-pressure draw-out type coal layer gas content spot sampling method |
| CN103776659B (en) * | 2013-12-31 | 2016-05-25 | 河南理工大学 | Negative pressure pull-out type coal seam gas-bearing capacity spot sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20120110 |