CN209470916U - A kind of coal sample collection device - Google Patents
A kind of coal sample collection device Download PDFInfo
- Publication number
- CN209470916U CN209470916U CN201920046702.1U CN201920046702U CN209470916U CN 209470916 U CN209470916 U CN 209470916U CN 201920046702 U CN201920046702 U CN 201920046702U CN 209470916 U CN209470916 U CN 209470916U
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- China
- Prior art keywords
- section
- supporting section
- coal sample
- fixed frame
- sample collection
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Abstract
The utility model relates to a kind of coal sample collection devices, acquisition device includes fixed frame and collecting box, the collecting box is located at below fixed frame and connect with fixed frame screw thread fitting, the fixed frame is made of supporting section and diversion section, the supporting section is pre-large post-small round table-like shell, sealing is rotatably connected to sleeve at supporting section back-end central, the diversion section is located at below supporting section, diversion section upper end is connected to supporting section, lower end and collecting box screw thread fitting, several mesh-like apertures are evenly equipped on diversion section side wall, diversion section bottom is fixedly installed filter screen.The utility model provide a kind of sampling comprehensively, efficiently coal sample collection device.
Description
Technical field
The utility model belongs to technical field of coal mine equipment, and in particular to a kind of coal sample collection device.
Background technique
According to China's legal provisions, before the new getting working face construction operation of underground coal mine, it is necessary to new working seam
Gas bearing capacity and prominent identification are carried out, it is a necessary job that live drill hole sampling, which carries out adsorption-desorption,.The timeliness of drill hole sampling
Property require entire sampling process that must be rapidly completed within a short period of time, when the exposure of shortening coal sample is aerial as far as possible
Between, and live desorption of mash gas experiment is carried out to the coal sample got, to obtain accurate field observation data, it is ensured that work later
In to the Accurate Determining of entire coal seam gas-bearing capacity.In addition, thinking that on-site measurement gas bearing capacity is to bore by experts and scholars' research
Hole drills through that the data that the fine coal in coal seam measures are the most accurate, thus choose suitable coal sample coal seam gas-bearing capacity is measured it is also outstanding
It is important.
But found in real work at the scene, it is few then more than several meters then tens meters of coal bed drilling when carrying out coal sample collection,
For the drying property for keeping taken coal sample, need waterpower to be converted to wind-force into brill into brill, so, drill the coal sample drilled through
Grain is not of uniform size, and always there is in certain distinguished and admirable situation in the tunnel of bore operation, the slack coal dished out from drilling is in
Reveal unordered state of shedding, quickly and accurately sampling will become very difficult at scene.
Utility model content
The purpose of the utility model is to overcome existing deficiency, providing a kind of sampling, comprehensively, efficiently coal sample collection is filled
It sets.
To achieve the above object, the technical scheme adopted by the utility model is
A kind of coal sample collection device, acquisition device include fixed frame and collecting box, and the collecting box is located at below fixed frame
And connect with fixed frame screw thread fitting, the fixed frame is made of supporting section and diversion section, and the supporting section is pre-large post-small
Round table-like shell, sealing is rotatably connected to sleeve at supporting section back-end central, and the diversion section is located at supporting section lower section, diversion section
Upper end is connected to supporting section, lower end and collecting box screw thread fitting, is evenly equipped with several mesh-like apertures, diversion section on diversion section side wall
Bottom is fixedly installed filter screen.
Further, the supporting section front end is provided with the first outside flange, is evenly distributed on first flange
Several fixation holes.
Further, the sleeve rear end is provided with the second outside flange, and second flange and supporting section rear end are pasted
It closes.
Further, the diameter of second flange is equal to the diameter of supporting section rear end.
Further, the supporting section upper outside is fixedly installed air intake plate, outside the air intake plate surrounding and supporting section
Wall is tightly connected, and air supplying layer is formed between air intake plate and supporting section outer wall, and blast pipe, air intake plate covering are communicated on the outside of air intake plate
Supporting section wall on be evenly equipped with several mesh-like apertures.
Further, the diversion section is in up big and down small shaped hollow round table.
The beneficial effects of the utility model are:
1. the fixed frame of the utility model is made of supporting section and diversion section, supporting section one end and tube sample boring face paste close,
The other end closing, wind-force into it is drilled to coal sample splashed in supporting section from drilling, then enter in collecting box through diversion section, and
And diversion section bottom is provided with filter screen, the coal sample for keeping particle excessive cannot be introduced into collecting box；Coal sample is carried out while drilling through
Collection, without drilling through after again from surface collection coal sample, reduce the time of contact of coal sample and air, improve gas bearing capacity
The accuracy of measurement.
2. the supporting section upper outside of the utility model is fixedly installed air intake plate, between air intake plate and supporting section outer wall
Air supplying layer is formed, air intake plate is communicated with blast pipe, pressure-air is perfused into air supplying layer by blast pipe, pressure-air is through branch
Support section is blown downwards, is promoted the coal sample splashed down to enter collecting box, is further increased sampling efficiency, and prevents excessive coal sample from accumulating
It influences to drill through in supporting section.
3. the fixed frame of the utility model is fixed in auger hole face, the drilling rod that wind-force drills through equipment passes through set
Cylinder, the drill bit that wind-force drills through equipment is located in fixed frame, the stability that raising drills through when drill hole sampling.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of coal sample collection device of the utility model.
Fig. 2 is a kind of cross-sectional view of coal sample collection device of the utility model.
Fig. 3 is a kind of structural schematic diagram of the fixed frame of coal sample collection device of the utility model.
Fig. 4 is a kind of structural schematic diagram of the sleeve of coal sample collection device of the utility model.
Numbering in the drawing are as follows: 1 is fixed frame, and 2 be collecting box, and 3 be sleeve, and 4 be filter screen, and 5 be the first flange, and 6 are
Second flange, 7 be air intake plate, and 8 be air supplying layer, and 9 be blast pipe, and 101 be supporting section, and 102 be diversion section.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawing.
As shown in Fig. 1 ~ Fig. 4, a kind of coal sample collection device, acquisition device includes fixed frame 1 and collecting box 2, the collection
Case 2 is located at 1 lower section of fixed frame and connect with 1 screw thread fitting of fixed frame, and the fixed frame 1 is by supporting section 101 and 102 groups of diversion section
At the supporting section 101 is pre-large post-small round table-like shell, and sealing is rotatably connected to sleeve at 101 back-end central of supporting section
3, the diversion section 102 is located at the lower section of supporting section 101, and 102 upper end of diversion section is connected to supporting section 101,2 spiral shell of lower end and collecting box
Line fitting is evenly equipped with several mesh-like apertures on 102 side wall of diversion section, and 102 bottom of diversion section is fixedly installed filter screen 4.
Fixed frame 1 is fixed in auger hole face for convenience, 101 front end of supporting section is provided with outside first
Flange 5 is evenly distributed in several fixation holes on first flange 5.
The stability of equipment is drilled through when drilling through to improve, 3 rear end of sleeve is provided with the second outside flange 6, institute
The second flange 6 is stated to be bonded with 101 rear end of supporting section；The diameter of second flange 6 is equal to the diameter of 101 rear end of supporting section.
In order to improve sampling efficiency, and prevents excessive coal sample to be deposited in influence in supporting section 101 and drill through, the support
101 upper outsides of section are fixedly installed air intake plate 7, and 7 surrounding of air intake plate and 101 outer wall of supporting section are tightly connected, air intake plate 7
Air supplying layer 8 is formed between 101 outer wall of supporting section, and blast pipe 9, the supporting section that air intake plate 7 covers are communicated on the outside of air intake plate 7
Several mesh-like apertures are evenly equipped on 101 walls.
Enter in collecting box 2 in order to facilitate coal sample, the diversion section 102 is in up big and down small shaped hollow round table.
The internal diameter of sleeve 3 is equal to the outer diameter that wind-force drills through the drilling rod of equipment.
Before acquisition, first the drill bit that wind-force drills through equipment is separated with drilling rod, then drilling rod is passed through into sleeve 3 and installs brill
Head, drill bit is located inside estimation frame at this time, and then fixed frame 1 is fixed in auger hole face by expansion bolt, finally will
Blast pipe 9 is connected to wind regime.
When acquisition, starting wind-force drills through equipment, wind-force into it is drilled to coal sample splashed in supporting section 101 from drilling, so
Enter in collecting box 2 by diversion section 102, and 102 bottom of diversion section is provided with filter screen 4, makes the coal sample that particle is excessive
It cannot be introduced into collecting box 2；While drilling through, pressure-air is blown downwards through supporting section 101, and the coal sample splashed down is promoted to enter collection
Case 2, under the air that blows from the aperture blowout on 102 side wall of diversion section, further increase sampling efficiency, and prevent excessive coal
Sample, which is deposited in, to be influenced to drill through in supporting section 101；The utility model synchronous collection for carrying out coal sample when drilling through, terminates without drilling through
The time of contact of coal sample and air is reduced from surface collection coal sample again afterwards, improves the accuracy of gas bearing capacity measurement.
After acquisition, collecting box 2 is removed, and cover the capping separately set from fixed frame 1, prevent coal sample from connecing with air
Touching.
The embodiment of the above, the only preferred embodiment of the utility model not limit the utility model
Practical range, therefore all equivalent change or modifications done according to structure, feature and principle described in the utility model patent range,
It should be included in present utility model application the scope of the patents.
Claims (6)
1. a kind of coal sample collection device, which is characterized in that acquisition device includes fixed frame (1) and collecting box (2), the collecting box
(2) it is located at below fixed frame (1) and is connect with fixed frame (1) screw thread fitting, the fixed frame (1) is by supporting section (101) and leads
Section (102) composition is flowed, the supporting section (101) is pre-large post-small round table-like shell, is sealed at supporting section (101) back-end central
It is rotatably connected to sleeve (3), the diversion section (102) is located at below supporting section (101), diversion section (102) upper end and supporting section
(101) connection, lower end and collecting box (2) screw thread fitting are evenly equipped with several mesh-like apertures, water conservancy diversion on diversion section (102) side wall
Section (102) bottom is fixedly installed filter screen (4).
2. a kind of coal sample collection device according to claim 1, which is characterized in that supporting section (101) the front end setting
There is outside the first flange (5), is evenly distributed in several fixation holes on first flange (5).
3. a kind of coal sample collection device according to claim 1, which is characterized in that sleeve (3) rear end be provided with to
Outer the second flange (6), second flange (6) are bonded with supporting section (101) rear end.
4. a kind of coal sample collection device according to claim 3, which is characterized in that the diameter etc. of second flange (6)
Diameter in supporting section (101) rear end.
5. a kind of coal sample collection device according to claim 1, which is characterized in that supporting section (101) upper outside
It is fixedly installed air intake plate (7), air intake plate (7) surrounding and supporting section (101) outer wall are tightly connected, air intake plate (7) and branch
It supports and forms air supplying layer (8) between section (101) outer wall, be communicated with blast pipe (9) on the outside of air intake plate (7), the branch of air intake plate (7) covering
Several mesh-like apertures are evenly equipped on support section (101) wall.
6. a kind of coal sample collection device according to claim 1, which is characterized in that under the diversion section (102) is presented greatly
Small shaped hollow round table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046702.1U CN209470916U (en) | 2019-01-11 | 2019-01-11 | A kind of coal sample collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046702.1U CN209470916U (en) | 2019-01-11 | 2019-01-11 | A kind of coal sample collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209470916U true CN209470916U (en) | 2019-10-08 |
Family
ID=68091616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920046702.1U Expired - Fee Related CN209470916U (en) | 2019-01-11 | 2019-01-11 | A kind of coal sample collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209470916U (en) |
-
2019
- 2019-01-11 CN CN201920046702.1U patent/CN209470916U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191008 Termination date: 20210111 |