CN206903695U - One kind increases gas parametric measurement probe in journey staged coal seam - Google Patents
One kind increases gas parametric measurement probe in journey staged coal seam Download PDFInfo
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- CN206903695U CN206903695U CN201720625798.8U CN201720625798U CN206903695U CN 206903695 U CN206903695 U CN 206903695U CN 201720625798 U CN201720625798 U CN 201720625798U CN 206903695 U CN206903695 U CN 206903695U
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- probe
- pipe
- pressure
- coal seam
- increasing journey
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Abstract
Gas parametric measurement probe in a kind of increasing journey staged coal seam is the utility model is related to, including conehead, pressure-measuring pipe and the probe supervisor being from left to right detachably connected successively;Probe supervisor include it is multistage set gradually from left to right, the probe that diameter gradually increases is in charge of, the probe is provided with increasing journey pipe between being in charge of, the probe is in charge of and increased journey pipe and is detachably connected.Workload when the utility model is constructed is small, and due to the extruding of coal body and probe, can be achieved after probe hammers into coal body self-styled, can measure the Real Gas pressure of pressure-measuring pipe present position, and the required testing time is shorter;Because supervisor employs hierarchical form, the increasing journey pipe compared with pipe with small pipe diameter is connected between supervisors at different levels, it can increase self-styled effect in the coal seam bad using the self-styled effect of straight pipe type probe, ensure the accuracy of gas pressure measurement, resistance is hammered into compared to what staged probe reduced unit length, probe can be increased and hammer into depth, it is of the present utility model practical, it is worthy to be popularized.
Description
Technical field
The utility model belongs to technical field of coal mine, and in particular to one kind increases gas parametric measurement in journey staged coal seam and visited
Pin.
Background technology
The defects of different degrees of, such as current coal-bed gas pressure be present in the assay method that coal-bed gas has related parameter at present
Power measure can only be by drilling and the method for sealing of hole is measured in coal seam, and this method construction workload is big, determines the cycle
It is longer, sealing of hole effect it is difficult to ensure that;Coal body Determination of Hardness need to then be sampled in coal seam and is measured with use for laboratory drop weight method,
Its shortcoming is that workload is big, error is larger;And coal destructiveness can only be judged by observation, error is larger, subjectivity is strong,
It is unable to quantitative reaction.
Utility model content
In view of this, the utility model provides gas parametric measurement probe in a kind of increasing journey staged coal seam, to solve
Deficiency certainly of the prior art.
The technical solution of the utility model is:One kind increases gas parametric measurement probe in journey staged coal seam, including from a left side
Conehead, pressure-measuring pipe and the probe supervisor being detachably connected successively to the right side;The probe supervisor includes multistage and set successively from left to right
Put, the probe that diameter gradually increases is in charge of, the probe is provided between being in charge of increases journey pipe, and the probe is in charge of and increases Cheng Guanke
Dismantling connection.
Preferably, the mode being detachably connected is threaded connection, and all screw threads are coarse thread, the threaded spiral shell of institute
Away from, the high all same of tooth.
Preferably, conehead includes connected successively circular cone termination, cylindrical section and linkage section, the coning angle of the circular cone termination
<45 °, the cylindrical section external diameter is 10~15mm, 3~10mm of length, and the linkage section offers the internal thread for connection, institute
State internal thread to match with the external screw thread on pressure-measuring pipe, reach >=10mm of the internal thread, the drilling depth of thread Pilot hole
>=11mm, thread Pilot hole are flat.
Preferably, the external diametrical extent of pressure-measuring pipe is 8~13mm, and internal diameter is 3~8mm, length >=10mm of connection screw thread;
The multiple through holes of circumference uniform distribution of the pressure-measuring pipe, the diameter of the through hole is Φ 1mm.
Preferably, the internal diameter that probe is in charge of is identical, and inside diameter ranges are in 3~8mm, and external diametrical extent is 8~15mm, rear stage ratio
Big 0.5~the 2mm of previous stage is equal with the cylindrical section external diameter of conehead with the probe of the pressure-measuring pipe connection external diameter being in charge of;The probe
The left end being in charge of has<45 ° of chamfering, and the diameter after chamfering is equal with the external diameter of its front butt tube.
Preferably, the specification of increasing journey pipe is identical with pressure-measuring pipe, and difference is, the tube wall for increasing journey pipe does not have hole.
Compared with prior art, gas parametric measurement probe in a kind of increasing journey staged coal seam provided by the utility model
Beneficial effect is:
1st, when the work of concordant gas pressure measurement is carried out in coal seam, eliminate and move rig, process of drilling, construction is only
Lighter air drill and pneumatic pick is needed to complete, workload is smaller.
2nd, when probe hammers into coal body, by the extruding of coal body and probe, can be achieved after probe hammers into coal body certain distance
It is self-styled, ensure that the Real Gas pressure of its present position of probe pressure-measuring pipe can be measured.
When the 3rd, due to hammering into probe, gas can only be scattered and disappeared by probe endoporus, and loss amount is smaller, and needed for whole pressure measurement
Gas pressure balance space is smaller, so the required testing time is shorter.
4th, because supervisor employs hierarchical form, can increase in coal seam that may be bad using the self-styled effect of straight pipe type probe
Add self-styled effect, ensure the accuracy of gas pressure measurement.
5th, due to being connected to the increasing journey pipe compared with pipe with small pipe diameter between supervisors at different levels, unit length is reduced compared to staged probe
Hammer into resistance, probe can be increased and hammer into depth.
6th, the utility model is not only able to shorten the gas pressure measurement cycle, improves the success rate of piezometry, moreover it is possible to
Measure probe follows closely process into coal body, can by follow closely into complexity judge the Failure type of coal, be gas relevant parameter
Measure provide foundation.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is assembling schematic diagram when the utility model uses.
Description of reference numerals:
1st, conehead;2nd, pressure-measuring pipe;3rd, probe is responsible for;301st, probe is in charge of;302nd, journey pipe is increased;4th, pressure gauge;5th, triple valve.
Embodiment
The utility model provides gas parametric measurement probe in a kind of increasing journey staged coal seam, with reference to Fig. 1 knot
Structure schematic diagram, is illustrated to the utility model.
As shown in figure 1, gas parametric measurement probe in a kind of increasing journey staged coal seam provided by the utility model, including from
The left-to-right conehead 1 being detachably connected successively, pressure-measuring pipe 2 and probe supervisor 3;The probe supervisor 3 includes multistage from left to right
Set gradually, the probe that diameter gradually increases is in charge of 301, the probe is provided between being in charge of 301 increases journey pipe 302, the spy
Pin, which is in charge of 301 and increases journey pipe 302, to be detachably connected.
Further, the mode being detachably connected is threaded connection, and all screw threads are coarse thread, the threaded spiral shell of institute
Away from, the high all same of tooth.
Further, conehead 1 includes connected successively circular cone termination, cylindrical section and linkage section, the circle of the circular cone termination
Cone angle<45 °, the cylindrical section external diameter is 10~15mm, 3~10mm of length, and the linkage section offers the interior spiral shell for connection
Line, the internal thread match with the external screw thread on pressure-measuring pipe, reach >=10mm of the internal thread, the drilling of thread Pilot hole
Depth >=11mm, thread Pilot hole are flat.
Further, the external diametrical extent of pressure-measuring pipe 2 is 8~13mm, and internal diameter is 3~8mm, the length of connection screw thread >=
10mm;The multiple through holes of circumference uniform distribution of the pressure-measuring pipe 2, the diameter of the through hole is Φ 1mm.
Further, probe be in charge of 301 internal diameter it is identical, for inside diameter ranges in 3~8mm, external diametrical extent is 8~15mm, after
One-level is bigger 0.5~2mm than previous stage, and the probe being connected with pressure-measuring pipe 2 is in charge of 301 external diameter and the cylindrical section external diameter phase of conehead 1
Deng;The left end that the probe is in charge of 301 has<45 ° of chamfering, and the diameter after chamfering is equal with the external diameter of its front butt tube.
Further, the specification of increasing journey pipe 302 is identical with pressure-measuring pipe 2, and difference is, the tube wall for increasing journey pipe 302 does not have hole,
Only serve reduction resistance increase and hammer into depth effect.
Gas parametric measurement probe in a kind of increasing journey staged coal seam provided by the utility model, referring to Fig. 2, is being used
When, first probe is sequentially connected and hammers into coal body, to ensure that each connecting portion is unable to gas leakage during hammering into coal body, in pressure-measuring pipe
After 2 reach desired depth, triple valve 5 is twisted in probe tail end, 5 remaining holes of triple valve connects pressure gauge 4 and pressure release exhaust respectively
Pipe, it is possible to start to determine gas pressure.
Gas parametric measurement probe in a kind of increasing journey staged coal seam provided by the utility model, carries out concordant in coal seam
When gas pressure measurement works, eliminate and move rig, process of drilling, construction only needs lighter air drill and pneumatic pick can be complete
Into workload is smaller;, can after probe hammers into coal body certain distance by the extruding of coal body and probe when probe hammers into coal body
Realize self-styled, ensure that the Real Gas pressure of its present position of probe pressure-measuring pipe can be measured;During due to hammering into probe, gas can only
Scattered and disappeared by probe endoporus, loss amount is smaller, and gas pressure balance space needed for whole pressure measurement is smaller, so required test
Time is shorter;Because supervisor employs hierarchical form, can increase in coal seam that may be bad using the self-styled effect of straight pipe type probe
Add self-styled effect, ensure the accuracy of gas pressure measurement;The utility model is not only able to shorten the gas pressure measurement cycle, carries
The success rate of high pressure measure, moreover it is possible to follow closely process into coal body in measure probe, can by follow closely into complexity judge coal
Failure type, the measure for gas relevant parameter provides foundation.The utility model is connected to compared with pipe with small pipe diameter between supervisors at different levels
Increasing journey pipe, increase the contact of journey Guan Buyu coal bodies, frictional force will not be produced with coal body, therefore probe can be made more in depth to hammer into coal
Body, the gas relevant parameter of coal body higher depth is measured, compared with staged probe, which reduce unit length hammers into resistance,
Probe can be increased and hammer into depth, it is practical, it is worthy to be popularized.
Disclosed above is only preferable specific embodiment of the present utility model, and still, the utility model embodiment is not
This is confined to, what any those skilled in the art can think change should all fall into the scope of protection of the utility model.
Claims (6)
1. one kind increases gas parametric measurement probe in journey staged coal seam, it is characterised in that including from left to right detachable successively
Conehead (1), pressure-measuring pipe (2) and the probe supervisor (3) of connection;Probe supervisor (3) include multistage set gradually from left to right,
The probe that diameter gradually increases is in charge of (301), and the probe is provided with increasing journey pipe (302), the probe point between being in charge of (301)
Pipe (301) and increasing journey pipe (302) are detachably connected.
2. gas parametric measurement probe in a kind of increasing journey staged coal seam according to claim 1, it is characterised in that described
The mode being detachably connected is threaded connection, and all screw threads are coarse thread, the threaded pitch of institute, the high all same of tooth.
3. gas parametric measurement probe in a kind of increasing journey staged coal seam according to claim 1, it is characterised in that described
Conehead (1) includes connected successively circular cone termination, cylindrical section and linkage section, the coning angle of the circular cone termination<45 °, the circle
Shell of column external diameter is 10~15mm, 3~10mm of length, and the linkage section offers the internal thread for connection, the internal thread with
External screw thread matching on pressure-measuring pipe, reach >=10mm of the internal thread, drilling depth >=11mm of thread Pilot hole, screw thread
Bottom outlet is flat.
4. gas parametric measurement probe in a kind of increasing journey staged coal seam according to claim 1, it is characterised in that described
The external diametrical extent of pressure-measuring pipe (2) is 8~13mm, and internal diameter is 3~8mm, length >=10mm of connection screw thread;The pressure-measuring pipe
(2) the multiple through holes of circumference uniform distribution, the diameter of the through hole is Φ 1mm.
5. gas parametric measurement probe in a kind of increasing journey staged coal seam according to claim 1, it is characterised in that described
The internal diameter that probe is in charge of (301) is identical, and inside diameter ranges are 8~15mm in 3~8mm, external diametrical extent, and rear stage is bigger than previous stage
0.5~2mm, the external diameter that (301) are in charge of with the probe of pressure-measuring pipe (2) connection are equal with the cylindrical section external diameter of conehead (1);The spy
The left end that pin is in charge of (301) has<45 ° of chamfering, and the diameter after chamfering is equal with the external diameter of its front butt tube.
6. gas parametric measurement probe in a kind of increasing journey staged coal seam according to claim 1, it is characterised in that described
The specification of increasing journey pipe (302) is identical with pressure-measuring pipe (2), and difference is, the tube wall for increasing journey pipe (302) does not have hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720625798.8U CN206903695U (en) | 2017-06-01 | 2017-06-01 | One kind increases gas parametric measurement probe in journey staged coal seam |
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CN201720625798.8U CN206903695U (en) | 2017-06-01 | 2017-06-01 | One kind increases gas parametric measurement probe in journey staged coal seam |
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CN201720625798.8U Expired - Fee Related CN206903695U (en) | 2017-06-01 | 2017-06-01 | One kind increases gas parametric measurement probe in journey staged coal seam |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109611083A (en) * | 2018-12-18 | 2019-04-12 | 华北科技学院 | A kind of mash gas pumping drilling gas leakage amount determining device |
-
2017
- 2017-06-01 CN CN201720625798.8U patent/CN206903695U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109611083A (en) * | 2018-12-18 | 2019-04-12 | 华北科技学院 | A kind of mash gas pumping drilling gas leakage amount determining device |
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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: 20180119 Termination date: 20180601 |