CN208331767U - A kind of colliery scene coal sample gas pot - Google Patents
A kind of colliery scene coal sample gas pot Download PDFInfo
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- CN208331767U CN208331767U CN201820714585.7U CN201820714585U CN208331767U CN 208331767 U CN208331767 U CN 208331767U CN 201820714585 U CN201820714585 U CN 201820714585U CN 208331767 U CN208331767 U CN 208331767U
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- China
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- coal sample
- coal
- spiral
- mucilage binding
- lid
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Abstract
Technical problem to be solved in the utility model is to improve the generation of coal mine gas grade evaluation method and prevention and control Gas Disaster.A kind of colliery scene coal sample gas pot, it is characterized in that including air valve, coal sample lid, coal sample cap bore mouth, heading, hand drill, sampling drilling rod, airline hose, measuring instrument, top spiral, coal sample tank, lower part helical, mucilage binding part, coal sample cylinder, mucilage binding gasket, the coal sample lid is that spiral is connect with jar, and coal sample lid connect composition coal sample tank with jar；The air valve is fixed on airline hose close to coal sample caping end side, and airline hose one end is connected with coal sample caping end, and the other end is connected with measuring instrument；The top spiral is located at coal sample base end, and lower part helical is located at coal sample cylinder top, and the width of top spiral is greater than the height of coal sample cap bore mouth.Have the function of that gas is greatly lowered and overflows dissipate, simplify procedures, reducing equipment loss, there is basic meaning for the correct evaluation and the prevention and control of Gas Disaster of coal mine gas grade.
Description
Technical field
The utility model relates to Coal Mine Disasters hazard assessment technical field, especially a kind of colliery scene coal sample gas
Tank.
Technical background
The gas accidents such as gas explosion, coal and gas prominent are the problems of long-standing problem Safety of Coal Mine Production, with coal mine
The increase of the depth of excavation, gas accident are in the trend gradually increased, seriously threaten the safe and efficient production of China's coal-mine.Coal seam
Gas bearing capacity test be coal mine rationally produced, manage and safety measure formulate basis.And when coal seam gas-bearing capacity test,
Live gasresolution is the important step for monitoring coal seam gas-bearing capacity, is that the measurement of coal mine gas grade is reasonable with gas govenance
The premise of formulation and basis.
Current live gasresolution generallys use draining water gathering of gas law and is measured, and is specially drilled with sampling drilling rod to specified
After depth (generally higher than 20m), drilling rod continues to creep into, while cylindrical coal sample tank is placed in drilling orifice and connects lower coal dust, to coal
Sample tank fills after coal dust and by the cap covers of coal sample tank and to tighten immediately, the instrument for being inoculated with water is then placed in platform or hang
Come, the sebific duct with syringe needle is connected into air inlet, syringe needle is inserted into coal sample tank by the mucilage binding gasket on top, carries out parsing survey
Amount.Due to needing the regular hour when drilling through and receiving coal dust, in this course, a large amount of overflow is scattered to sky by free gas
Measurement result is resulted in gas and differs larger with gas bearing capacity true in coal seam, causes the inaccuracy of test result.In addition,
When syringe needle is injected coal sample tank, since the gasket seal in coal sample cover is thicker, fractureing for syringe needle is often resulted in, gas is contained
The measurement of amount causes to perplex.
To overcome disadvantages mentioned above, the utility model realizes coal sample by the way that coal sample tank and its top cover are carried out spiral connection
Lid is integrated with its top cover, has saved slack coal and has collected required time；By on the lid of coal sample tank providing holes cause for gossip show coal
Bits, which are collected, takes bits while progress with drilling rod, and overflowing for gas is greatly lowered and dissipates；By the way that mucilage binding part is arranged on coal sample tank surface
It realizes that the contact surface at the edge of coal sample tank top edge and tube sample boring increases, increases the slack coal amount of unit time acquisition, section
The about operating time reduces overflowing for gas and dissipates.Simultaneously because coal sample tank is covered with it and is connect for spiral, it can be fast after slack coal is collected completely
Fast screw capping covers the position in hole by being rationally arranged, so that the lid of coal sample tank is screwed on coal sample cover rear to a certain degree
Hole drops to coal sample tank edge lower part, then sealing coal sample tank realizes the parsing and stopping of coal sample by the switch on sebific duct.Phase
For existing gasresolution device, the utility model, which has that gas is greatly lowered and overflows, to be dissipated, simplifies procedures, reducing equipment
The effect of loss has basic meaning for the evaluation of coal mine gas grade and the prevention and control of Gas Disaster.
Summary of the invention
Technical problem to be solved in the utility model is to improve coal mine gas grade evaluation method and prevention and control Gas Disaster
Generation.
A kind of colliery scene coal sample gas pot, it is characterized in that including air valve, coal sample lid, coal sample cap bore mouth, heading, hand
Hold churn, sampling drilling rod, airline hose, measuring instrument, top spiral, coal sample tank, lower part helical, mucilage binding part, coal sample cylinder, glue
Gasket is filled,
The coal sample lid is that spiral is connect with jar, and coal sample lid connect composition coal sample tank with jar；
The air valve is fixed on airline hose close to coal sample caping end side, airline hose one end and coal sample caping end phase
Even, the other end is connected with measuring instrument；
The top spiral is located at coal sample base end, and lower part helical is located at coal sample cylinder top, and the width of top spiral is greater than
The height of coal sample cap bore mouth；
The coal sample cap bore mouth samples drilling rod and drills through coal in heading by coal sample cap bore mouth through coal sample lid
Bits, sampling drilling rod are mounted on hand drill；
The width and height of the coal sample cap bore mouth are greater than the diameter of sampling drilling rod, and coal sample tank can freely be moved along sampling drilling rod
It is dynamic；
The mucilage binding part is located at coal sample tank surface, and mucilage binding gasket covers outside the spiral of top, the mucilage binding portion on coal sample tank surface
The equivalent width of the width and coal sample cap bore mouth that divide.
When connecing slack coal, the spiral that coal sample lid and jar keep certain is connect the coal sample tank, and makes jar surface
Mucilage binding part is located at the underface of coal sample cap bore mouth.
The mucilage binding part is squeezed rapid compression, will restore arc-shaped rapidly after removing extruding, mucilage binding part of the surface
Spiral and other position spirals of coal sample tank are coincide；
The other parts of coal sample tank surface mucilage binding part and jar use inserted connection, keep leakproofness.
The width of the top spiral and the difference of lower part helical width are greater than the top edge of top spiral and glue pads
The distance of piece.
For the utility model by the way that jar to be connect with coal sample lid spiral, it is integrated with coal sample lid to realize jar, saves
The time required to slack coal is collected；By coal sample cover providing holes cause for gossip show slack coal collect with the drilling rod while progress that takes slack coal,
Overflowing for gas is greatly lowered to dissipate；Coal sample tank top edge and tube sample boring are realized by the way that mucilage binding part is arranged on coal sample tank surface
Edge contact surface increase, increase the unit time acquisition slack coal amount, saved the operating time, reduce gas overflow dissipate.
Simultaneously because jar and coal sample lid are that spiral connect, after slack coal is collected and is expired can rapid screw capping, cover hole by being rationally arranged
Position makes the top edge of jar closely connect realization coal with mucilage binding gasket afterwards to a certain degree so that the lid of coal sample tank is screwed to
The sealing of sample tank；Then the parsing and stopping of coal sample are realized by the switch on sebific duct.Relative to existing gasresolution device,
The utility model has the function of that gas is greatly lowered and overflows dissipate, simplify procedures, reducing equipment loss, for coal mine gas
The correct evaluation and the prevention and control of Gas Disaster of grade have basic meaning.
Detailed description of the invention
Fig. 1 heading scene drills through coal sample schematic diagram；
The state of coal sample lid when Fig. 2 is sampled；
The state of coal sample lid when Fig. 3 is tightened；
The structure of Fig. 4 coal sample lid.
In figure: air valve (1), coal sample lid (2), coal sample cap bore mouth (3), heading (4), hand drill (5), auger
Bar (6), airline hose (7), measuring instrument (8), top spiral (9), coal sample tank (10), lower part helical (11), mucilage binding part (12),
Coal sample cylinder (13), mucilage binding gasket (14).
Specific embodiment
Such as Fig. 1, a kind of colliery scene coal sample gas pot, it is characterized in that including air valve, coal sample lid, coal sample cap bore mouth, coal seam
Tunnel, hand drill, sampling drilling rod, airline hose, measuring instrument, top spiral, coal sample tank, lower part helical, mucilage binding part, coal
Sample cylinder, mucilage binding gasket,
The coal sample lid is that spiral is connect with jar, and coal sample lid connect composition coal sample tank with jar；
The air valve is fixed on airline hose close to coal sample caping end side, airline hose one end and coal sample caping end phase
Even, the other end is connected with measuring instrument；
The top spiral is located at coal sample base end, and lower part helical is located at coal sample cylinder top, and the width of top spiral is greater than
The height of coal sample cap bore mouth；
The coal sample cap bore mouth samples drilling rod and drills through coal in heading by coal sample cap bore mouth through coal sample lid
Bits, sampling drilling rod are mounted on hand drill；
The width and height of the coal sample cap bore mouth are greater than the diameter of sampling drilling rod, and coal sample tank can freely be moved along sampling drilling rod
It is dynamic；
The mucilage binding part is located at coal sample tank surface, and mucilage binding gasket covers outside the spiral of top, the mucilage binding portion on coal sample tank surface
The equivalent width of the width and coal sample cap bore mouth that divide.
When connecing slack coal, the spiral that coal sample lid and jar keep certain is connect the coal sample tank, and makes jar surface
Mucilage binding part is located at the underface of coal sample cap bore mouth.
The mucilage binding part is squeezed rapid compression, will restore arc-shaped rapidly after removing extruding, mucilage binding part of the surface
Spiral and other position spirals of coal sample tank are coincide；
The other parts of coal sample tank surface mucilage binding part and jar use inserted connection, keep leakproofness.
The width of the top spiral and the difference of lower part helical width are greater than the top edge of top spiral and glue pads
The distance of piece.
In the appropriate location of heading, coal sample is covered into portion's air valve first and is closed, rotation coal sample lid is then made into coal
The height of sample cap bore mouth is greater than the diameter of sampling drilling rod, as shown in Fig. 2, two sides coal sample cap bore mouth is penetrated by sample drilling rod,
So that the mucilage binding of jar is partially toward coal wall side.Sampling drilling rod is driven to be crept into using hand-drill, default position to be achieved
Coal sample tank is close to coal wall when setting and applies certain pressure, so that mucilage binding part comes into full contact with coal wall to increase coal sample tank and coal
The contact area of wall increases the quantity of unit time reception slack coal.When coal sample tank fills slack coal, hand drill stops simultaneously immediately
The contact for being detached from and sampling drilling rod, coal sample tank takes out along drilling steel slip to drilling machine contact jaw and tightens coal sample lid rapidly, so that coal
Sample lid orifice closing, and continue to tighten so that the top edge of jar is close to gluey gasket, as shown in figure 4, and by spanner etc.
Tool is further tightened, so that coal sample tank is sufficiently sealed as shown in Figure 3.Airline hose is inserted in the air inlet for filling the measuring instrument of water
Mouthful.Air valve is finally opened, so that the gas of coal sample tank storage enters measuring instrument by airline hose, under the action of gas pressure
The water in measuring instrument is discharged, the volume for the water being discharged at this time is the volume of free gas in sampling jar.
Claims (5)
1. a kind of colliery scene coal sample gas pot, it is characterized in that including air valve, coal sample lid, coal sample cap bore mouth, heading, holding
Churn, sampling drilling rod, airline hose, measuring instrument, top spiral, coal sample tank, lower part helical, mucilage binding part, coal sample cylinder, mucilage binding
Gasket,
The coal sample lid is that spiral is connect with jar, and coal sample lid connect composition coal sample tank with jar；
The air valve is fixed on airline hose close to coal sample caping end side, and airline hose one end is connected with coal sample caping end, separately
One end is connected with measuring instrument；
The top spiral is located at coal sample base end, and lower part helical is located at coal sample cylinder top, and the width of top spiral is greater than coal sample
The height of cap bore mouth；
The coal sample cap bore mouth samples drilling rod and drills through slack coal in heading by coal sample cap bore mouth through coal sample lid,
Sampling drilling rod is mounted on hand drill；
The width and height of the coal sample cap bore mouth are greater than the diameter of sampling drilling rod, and coal sample tank can be moved freely along sampling drilling rod；
The mucilage binding part is located at coal sample tank surface, and mucilage binding gasket covers outside the spiral of top, the mucilage binding part on coal sample tank surface
The equivalent width of width and coal sample cap bore mouth.
2. a kind of colliery scene coal sample gas pot according to claim 1, it is characterized in that the coal sample tank is connecing slack coal
When, coal sample lid and jar keep spiral to connect, and the mucilage binding part on jar surface is made to be located at the underface of coal sample cap bore mouth.
3. a kind of colliery scene coal sample gas pot according to claim 1, it is characterized in that the mucilage binding part is squeezed
Compression rapidly will restore rapidly arc-shaped after removing extruding, and the spiral and coal sample tank spiral of mucilage binding part of the surface are coincide.
4. a kind of colliery scene coal sample gas pot according to claim 1, it is characterized in that coal sample tank surface mucilage binding
Part uses inserted connection with jar, keeps leakproofness.
5. a kind of colliery scene coal sample gas pot according to claim 1, it is characterized in that the width of the top spiral
It is greater than at a distance from the top edge and gluey gasket of top spiral with the difference of lower part helical width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714585.7U CN208331767U (en) | 2018-05-15 | 2018-05-15 | A kind of colliery scene coal sample gas pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714585.7U CN208331767U (en) | 2018-05-15 | 2018-05-15 | A kind of colliery scene coal sample gas pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331767U true CN208331767U (en) | 2019-01-04 |
Family
ID=64777251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820714585.7U Expired - Fee Related CN208331767U (en) | 2018-05-15 | 2018-05-15 | A kind of colliery scene coal sample gas pot |
Country Status (1)
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|---|---|
| CN (1) | CN208331767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443698A (en) * | 2018-05-15 | 2018-08-24 | 湖南科技大学 | A kind of colliery scene coal sample gas pot |
-
2018
- 2018-05-15 CN CN201820714585.7U patent/CN208331767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443698A (en) * | 2018-05-15 | 2018-08-24 | 湖南科技大学 | A kind of colliery scene coal sample gas pot |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20210515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |