CN208805401U - A kind of mining multiple gases collector - Google Patents
A kind of mining multiple gases collector Download PDFInfo
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- CN208805401U CN208805401U CN201821316367.4U CN201821316367U CN208805401U CN 208805401 U CN208805401 U CN 208805401U CN 201821316367 U CN201821316367 U CN 201821316367U CN 208805401 U CN208805401 U CN 208805401U
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- tube head
- cover plate
- ground
- gas collecting
- collecting jar
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Abstract
The utility model discloses a kind of mining multiple gases collectors, including gas collecting jar with ground-on cover plate and sampling tube head, piston rod is equipped with inside gas collecting jar with ground-on cover plate, piston rod right part is connected with motor, gas collecting jar with ground-on cover plate left part is connected with air valve by gas-guide tube, buffering cavity is equipped on the left of air valve, sampling tube head includes tube head shell, suction hole, ball and dustproof filter screen.The outer wall of this practical middle sampling tube head is embedded with multiple balls that can be rolled, in the environment that sampling tube head gos deep into Mine Complicated, when encountering mine wall or barrier, it being in rolling contact by ball and barrier, conducive to going deep into for sampling tube head, the case where card is set is reduced, improves rescue efficiency, it samples tube head internal cavities and is equipped with dustproof filter screen, prevent sampling sebific duct from being blocked by the impurity in mine.
Description
Technical field
The utility model relates to gas collecting device field, specially a kind of mining multiple gases collector.
Background technique
When mine generation gas explosion, fire, coal and gas prominent accident need to rescue, rescue personnel need to be to emergency area
Domain carries out gas checking or acquisition gas sample assay, to be acquired in advance to mine internal gas, examine gas inside mine
Body is for example: the concentration of the gases such as methane, carbon monoxide, carbon dioxide, hydrogen sulfide and sulfur dioxide, to prevent when rescuing
It is unexpected, but if collector goes into the well in person, and the generation of accident and secondary disaster accident occurs when acquiring gaseous sample, subtract
Light rescue difficulty needs a kind of device substitution personnel to enter.Injures and deaths will be increased, increase rescue difficulty.
A kind of existing equipment for carrying out extracting acquisition gas to mine inside outside mine, passes through a large amount of layings of sampling pipe
It is protruded into inside mine with installation detection probe, the gas in mine is acquired, but since the inner case of mine is complicated,
Each production link is all regular dynamic motion, is easy to block sampling pipe in this way, can not be extend into the mine of disaster region,
Or when extracting gas, impurity blocks sampling pipe, and the acquisition of barrier gas influences the efficiency of rescue.
Utility model content
The purpose of this utility model is to provide a kind of mining multiple gases collectors, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of mining multiple gases collector, including
Gas collecting jar with ground-on cover plate and sampling tube head, the gas collecting jar with ground-on cover plate are cylindrical cavity, are equipped with piston rod, the left part of piston rod inside gas collecting jar with ground-on cover plate
Equipped with piston head, the inner cavity of gas collecting jar with ground-on cover plate is arranged in piston head, and piston rod penetrates out the right side wall of gas collecting jar with ground-on cover plate, and piston rod right part connects
It is equipped with motor, motor connects power supply by electric wire, and the gas collecting jar with ground-on cover plate left part is connected with air valve, gas by gas-guide tube
It is equipped with buffering cavity on the left of valve, buffer layer is equipped with inside buffering cavity, buffering cavity connects air valve left end by gas-guide tube, described
Sampling tube head includes tube head shell, suction hole, ball and dustproof filter screen, and tube head shell is that cavity is spherical, is close in tube head shell
The inner wall of portion's cavity is equipped with dustproof filter screen, and tube head outer shell outer wall is equipped with ball, and tube head outer shell outer wall offers suction hole, suction hole
It penetrates to tube head interior of shell cavity, the sampling tube head is tightly connected one end of sampling sebific duct, and the other end for sampling sebific duct is set
There is rubber hose coupling, and rubber hose coupling is tightly connected the set opening in left end of buffering cavity.
Preferably, the piston rod right part is screw rod, and the left end for the rotation axis that motor is connected is equipped with gear, piston
The gear of the screw rod of bar right part rotation axis connect with motor engages.
Preferably, the inner wall sliding contact of piston head and gas collecting jar with ground-on cover plate internal cavities set by the piston rod left part, collection
The outlet of inflator left end is tightly connected with gas-guide tube.
Preferably, the tube head outer shell outer wall is uniformly provided with multiple balls, and ball is embedded in tube head outer shell outer wall, and ball
It is in rolling contact between tube head outer shell outer wall.
Preferably, the tube head outer shell outer wall is uniformly provided with multiple suction holes, and tube head shell and sampling sebific duct junction are close
Envelope connection.
Compared with prior art, the utility model has the beneficial effects that
1. the outer wall of practical middle sampling tube head is embedded with multiple balls that can be rolled, it is multiple to go deep into mine in sampling tube head
In miscellaneous environment, when encountering mine laneway wall or barrier, being in rolling contact by ball and barrier, convenient for sampling
Tube head gos deep into, and reduces the case where card is set, and improves rescue efficiency, and sampling tube head internal cavities are equipped with dustproof filter screen, prevent from sampling
Sebific duct is blocked by the impurity in mine；
Gas-guide tube 2. set Packed collective's cylinder in practical, and before being connected to gas collecting jar with ground-on cover plate is equipped with air valve, and air valve can will
The air seal of acquisition prevents the gas leakage of acquisition, causes the inaccuracy of detection inside gas collecting jar with ground-on cover plate.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that tube head schematic diagram is sampled in the utility model；
Fig. 3 is that tube head sectional view is sampled in the utility model.
In figure: gas collecting jar with ground-on cover plate 1, motor 2, power supply 3, piston rod 4, air valve 5, buffering cavity 6, buffer layer 7, rubber hose coupling 8,
Sample tube head 9, sampling sebific duct 10, tube head shell 11, suction hole 12, ball 13, dustproof filter screen 14.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the noun of locality reference book attached drawing referred to during this is practical understands that the utility model provides one kind
Technical solution: a kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate 1 and sampling tube head 9, gas collecting jar with ground-on cover plate 1 are cylindrical cavity,
Piston rod 4 is equipped with inside gas collecting jar with ground-on cover plate 1, the left part of piston rod 4 is equipped with piston head, and the inner cavity of gas collecting jar with ground-on cover plate 1 is arranged in piston head, living
Stopper rod 4 penetrates out the right side wall of gas collecting jar with ground-on cover plate 1, and 4 right part of piston rod is connected with motor 2, and motor 2 connects electricity by electric wire
Source 3,1 left part of gas collecting jar with ground-on cover plate are connected with air valve 5 by gas-guide tube, are equipped with buffering cavity 6 on the left of air valve 5, inside buffering cavity 6
Equipped with buffer layer 7, buffering cavity 6 connects 5 left end of air valve by gas-guide tube, and sampling tube head 9 includes tube head shell 11, suction hole
12, ball 13 and dustproof filter screen 14, tube head shell 11 are that cavity is spherical, and the inner wall for being close to 11 internal cavities of tube head shell, which is equipped with, to be prevented
Dirt strainer 14,11 outer wall of tube head shell are equipped with ball 13, and 11 outer wall of tube head shell offers suction hole 12, suction hole 12 penetrate to
11 internal cavities of tube head shell, sampling tube head 9 are tightly connected one end of sampling sebific duct 10, and the other end of sampling sebific duct 10 is equipped with glue
Pipe fitting 8, and rubber hose coupling 8 is tightly connected the set opening in left end of buffering cavity 6.
4 right part of piston rod is screw rod, and the left end for the rotation axis that motor 2 is connected is equipped with gear, 4 right part of piston rod
The gear of screw rod and the connect rotation axis of motor 2 engage, the connection of thread screw is used between motor 2 and piston rod 4
Mode drives the movement of piston head convenient for piston rod 4.
The inner wall sliding contact of piston head set by 4 left part of piston rod and 1 internal cavities of gas collecting jar with ground-on cover plate, when piston head portrait is right
When movement, 1 inside left of gas collecting jar with ground-on cover plate forms vacuum, when opening air valve 5, can suck inside gas to gas collecting jar with ground-on cover plate 1, gas collecting jar with ground-on cover plate 1
Left end outlet is tightly connected with gas-guide tube, guarantees that the gas collected does not occur to leak and influence testing result inside gas collecting jar with ground-on cover plate 1.
11 outer wall of tube head shell is uniformly provided with multiple balls 13, and ball 13 is embedded in 11 outer wall of tube head shell, and ball 13
It is in rolling contact between 11 outer wall of tube head shell, ball 13 rolls when with bar contact, and clears the jumps, and reduces
The case where sampling tube head 9 blocks.
11 outer wall of tube head shell is uniformly provided with multiple suction holes 12, convenient for quickly sucking gas, tube head shell 11 and sampling
10 junction of sebific duct is tightly connected, and junction can not make the gas entered by dustproof filter screen 14 when leaking, and be easy to cause dust
Residual is blocked in inside sampling sebific duct 10.
Embodiment 1
A kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate 1 and sampling tube head 9, the gas collecting jar with ground-on cover plate 1 are cylindrical cavity
Body is equipped with piston rod 4 inside gas collecting jar with ground-on cover plate 1, and the left part of piston rod 4 is equipped with piston head, and piston head is arranged in gas collecting jar with ground-on cover plate 1
Chamber, piston rod 4 penetrate out the right side wall of gas collecting jar with ground-on cover plate 1, and 4 right part of piston rod is connected with motor 2, and motor 2 passes through electric wire
Power supply 3 is connected, 1 left part of gas collecting jar with ground-on cover plate is connected with air valve 5 by gas-guide tube, is equipped with buffering cavity 6 on the left of air valve 5, delays
It rushes and is equipped with buffer layer 7 inside cavity 6, buffering cavity 6 connects 5 left end of air valve by gas-guide tube, and the sampling tube head 9 includes tube head
Shell 11, suction hole 12, ball 13 and dustproof filter screen 14, tube head shell 11 are that cavity is spherical, and it is empty to be close to 11 inside of tube head shell
The inner wall of chamber is equipped with dustproof filter screen 14, and 11 outer wall of tube head shell is equipped with ball 13, and 11 outer wall of tube head shell offers suction hole 12,
Suction hole 12 is penetrated to 11 internal cavities of tube head shell, and the sampling tube head 9 is tightly connected one end of sampling sebific duct 10, samples glue
The other end of pipe 10 is equipped with rubber hose coupling 8, and rubber hose coupling 8 is tightly connected the set opening in left end of buffering cavity 6.
Embodiment 2
A kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate 1 and sampling tube head 9, the gas collecting jar with ground-on cover plate 1 are cylindrical cavity
Body is equipped with piston rod 4 inside gas collecting jar with ground-on cover plate 1, and the left part of piston rod 4 is equipped with piston head, and piston head is arranged in gas collecting jar with ground-on cover plate 1
Chamber, piston rod 4 penetrate out the right side wall of gas collecting jar with ground-on cover plate 1, and 4 right part of piston rod is connected with motor 2, and motor 2 passes through electric wire
Power supply 3 is connected, 1 left part of gas collecting jar with ground-on cover plate is connected with air valve 5 by gas-guide tube, is equipped with buffering cavity 6 on the left of air valve 5, delays
It rushes and is equipped with buffer layer 7 inside cavity 6, buffering cavity 6 connects 5 left end of air valve by gas-guide tube, and the sampling tube head 9 includes tube head
Shell 11, suction hole 12, ball 13 and dustproof filter screen 14, tube head shell 11 are that cavity is spherical, and it is empty to be close to 11 inside of tube head shell
The inner wall of chamber is equipped with dustproof filter screen 14, and 11 outer wall of tube head shell is equipped with ball 13, and 11 outer wall of tube head shell offers suction hole 12,
Suction hole 12 is penetrated to 11 internal cavities of tube head shell, and the sampling tube head 9 is tightly connected one end of sampling sebific duct 10, samples glue
The other end of pipe 10 is equipped with rubber hose coupling 8, and rubber hose coupling 8 is tightly connected the set opening in left end of buffering cavity 6.
4 right part of piston rod is screw rod, and the left end for the rotation axis that motor 2 is connected is equipped with gear, and piston rod 4 is right
The screw rod of end is engaged with the gear of the connect rotation axis of motor 2.
Embodiment 3
A kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate 1 and sampling tube head 9, the gas collecting jar with ground-on cover plate 1 are cylindrical cavity
Body is equipped with piston rod 4 inside gas collecting jar with ground-on cover plate 1, and the left part of piston rod 4 is equipped with piston head, and piston head is arranged in gas collecting jar with ground-on cover plate 1
Chamber, piston rod 4 penetrate out the right side wall of gas collecting jar with ground-on cover plate 1, and 4 right part of piston rod is connected with motor 2, and motor 2 passes through electric wire
Power supply 3 is connected, 1 left part of gas collecting jar with ground-on cover plate is connected with air valve 5 by gas-guide tube, is equipped with buffering cavity 6 on the left of air valve 5, delays
It rushes and is equipped with buffer layer 7 inside cavity 6, buffering cavity 6 connects 5 left end of air valve by gas-guide tube, and the sampling tube head 9 includes tube head
Shell 11, suction hole 12, ball 13 and dustproof filter screen 14, tube head shell 11 are that cavity is spherical, and it is empty to be close to 11 inside of tube head shell
The inner wall of chamber is equipped with dustproof filter screen 14, and 11 outer wall of tube head shell is equipped with ball 13, and 11 outer wall of tube head shell offers suction hole 12,
Suction hole 12 is penetrated to 11 internal cavities of tube head shell, and the sampling tube head 9 is tightly connected one end of sampling sebific duct 10, samples glue
The other end of pipe 10 is equipped with rubber hose coupling 8, and rubber hose coupling 8 is tightly connected the set opening in left end of buffering cavity 6.
4 right part of piston rod is screw rod, and the left end for the rotation axis that motor 2 is connected is equipped with gear, and piston rod 4 is right
The screw rod of end is engaged with the gear of the connect rotation axis of motor 2.
The inner wall sliding contact of piston head and 1 internal cavities of gas collecting jar with ground-on cover plate set by 4 left part of piston rod, gas collecting jar with ground-on cover plate 1
Left end outlet is tightly connected with gas-guide tube.
Embodiment 4
A kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate 1 and sampling tube head 9, the gas collecting jar with ground-on cover plate 1 are cylindrical cavity
Body is equipped with piston rod 4 inside gas collecting jar with ground-on cover plate 1, and the left part of piston rod 4 is equipped with piston head, and piston head is arranged in gas collecting jar with ground-on cover plate 1
Chamber, piston rod 4 penetrate out the right side wall of gas collecting jar with ground-on cover plate 1, and 4 right part of piston rod is connected with motor 2, and motor 2 passes through electric wire
Power supply 3 is connected, 1 left part of gas collecting jar with ground-on cover plate is connected with air valve 5 by gas-guide tube, is equipped with buffering cavity 6 on the left of air valve 5, delays
It rushes and is equipped with buffer layer 7 inside cavity 6, buffering cavity 6 connects 5 left end of air valve by gas-guide tube, and the sampling tube head 9 includes tube head
Shell 11, suction hole 12, ball 13 and dustproof filter screen 14, tube head shell 11 are that cavity is spherical, and it is empty to be close to 11 inside of tube head shell
The inner wall of chamber is equipped with dustproof filter screen 14, and 11 outer wall of tube head shell is equipped with ball 13, and 11 outer wall of tube head shell offers suction hole 12,
Suction hole 12 is penetrated to 11 internal cavities of tube head shell, and the sampling tube head 9 is tightly connected one end of sampling sebific duct 10, samples glue
The other end of pipe 10 is equipped with rubber hose coupling 8, and rubber hose coupling 8 is tightly connected the set opening in left end of buffering cavity 6.
4 right part of piston rod is screw rod, and the left end for the rotation axis that motor 2 is connected is equipped with gear, and piston rod 4 is right
The screw rod of end is engaged with the gear of the connect rotation axis of motor 2.
The inner wall sliding contact of piston head and 1 internal cavities of gas collecting jar with ground-on cover plate set by 4 left part of piston rod, gas collecting jar with ground-on cover plate 1
Left end outlet is tightly connected with gas-guide tube.
11 outer wall of tube head shell is uniformly provided with multiple balls 13, and ball 13 is embedded in 11 outer wall of tube head shell, and rolls
It is in rolling contact between 11 outer wall of pearl 13 and tube head shell.
Embodiment 5
A kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate 1 and sampling tube head 9, the gas collecting jar with ground-on cover plate 1 are cylindrical cavity
Body is equipped with piston rod 4 inside gas collecting jar with ground-on cover plate 1, and the left part of piston rod 4 is equipped with piston head, and piston head is arranged in gas collecting jar with ground-on cover plate 1
Chamber, piston rod 4 penetrate out the right side wall of gas collecting jar with ground-on cover plate 1, and 4 right part of piston rod is connected with motor 2, and motor 2 passes through electric wire
Power supply 3 is connected, 1 left part of gas collecting jar with ground-on cover plate is connected with air valve 5 by gas-guide tube, is equipped with buffering cavity 6 on the left of air valve 5, delays
It rushes and is equipped with buffer layer 7 inside cavity 6, buffering cavity 6 connects 5 left end of air valve by gas-guide tube, and the sampling tube head 9 includes tube head
Shell 11, suction hole 12, ball 13 and dustproof filter screen 14, tube head shell 11 are that cavity is spherical, and it is empty to be close to 11 inside of tube head shell
The inner wall of chamber is equipped with dustproof filter screen 14, and 11 outer wall of tube head shell is equipped with ball 13, and 11 outer wall of tube head shell offers suction hole 12,
Suction hole 12 is penetrated to 11 internal cavities of tube head shell, and the sampling tube head 9 is tightly connected one end of sampling sebific duct 10, samples glue
The other end of pipe 10 is equipped with rubber hose coupling 8, and rubber hose coupling 8 is tightly connected the set opening in left end of buffering cavity 6.
4 right part of piston rod is screw rod, and the left end for the rotation axis that motor 2 is connected is equipped with gear, and piston rod 4 is right
The screw rod of end is engaged with the gear of the connect rotation axis of motor 2.
The inner wall sliding contact of piston head and 1 internal cavities of gas collecting jar with ground-on cover plate set by 4 left part of piston rod, gas collecting jar with ground-on cover plate 1
Left end outlet is tightly connected with gas-guide tube.
11 outer wall of tube head shell is uniformly provided with multiple balls 13, and ball 13 is embedded in 11 outer wall of tube head shell, and rolls
It is in rolling contact between 11 outer wall of pearl 13 and tube head shell.
11 outer wall of tube head shell is uniformly provided with multiple suction holes 12, and tube head shell 11 and sampling 10 junction of sebific duct are close
Envelope connection.
Working principle: when this practical work, the sampling sebific duct 10 that end is equipped with sampling tube head 9 is protruded into mine, is sampled
The head of tube head 9 is spherical shape, and sample 9 outer wall of tube head be equipped with the ball 13 that can roll, ball 13 and mine wall or its
It is rolled when his bar contact, the sampling tube head 9 that can make gos deep into bottom in the environment of Mine Complicated, prevents sampling tube head 9
It is blocked by barrier, when sampling tube head 9 and entering the depth for acquiring gas, opening power supply 3 makes the motor 2 for being connected to power supply 3
It is rotated, the rotation axis that motor 2 is connected drives piston rod 4 to move right by thread screw connection, 4 left end of piston rod
The piston head and 1 inner wall close sliding contact of gas collecting jar with ground-on cover plate in portion, when piston rod 4 drives the piston of left end to move right, in gas collecting jar with ground-on cover plate 1
Cavity forms vacuum state on the left of portion, opens air valve 5, and mine internal gas is entered inside sampling tube head 9 by suction hole 12, prevented
Dirt strainer 14 can prevent the blocking sampling sebific duct 10 of the dust impurity in mine, and gas enters sampling sebific duct 10 along sampling tube head 9,
Enter inside buffering cavity 6 therewith, buffer layer 7 is equipped in buffering cavity 6, is capable of the impact of buffer gas to caused by air valve 5
Injury, last gas are entered inside gas collecting jar with ground-on cover plate 1 by air valve 5, are closed air valve 5 and to form confined space inside gas collecting jar with ground-on cover plate 1, adopt
Collect gas process to complete.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of mining multiple gases collector, including gas collecting jar with ground-on cover plate (1) and sampling tube head (9), it is characterised in that: the gas collecting jar with ground-on cover plate
(1) it is cylindrical cavity, is equipped with piston rod (4) inside gas collecting jar with ground-on cover plate (1), the left part of piston rod (4) is equipped with piston head, piston
Head is arranged in the inner cavity of gas collecting jar with ground-on cover plate (1), and piston rod (4) penetrates out the right side wall of gas collecting jar with ground-on cover plate (1), the connection of piston rod (4) right part
Equipped with motor (2), motor (2) connects power supply (3) by electric wire, and gas collecting jar with ground-on cover plate (1) left part is connected by gas-guide tube
Equipped with air valve (5), buffering cavity (6) are equipped on the left of air valve (5), are equipped with buffer layer (7) inside buffering cavity (6), buffering cavity
(6) air valve (5) left end is connected by gas-guide tube, the sampling tube head (9) includes tube head shell (11), suction hole (12), ball
(13) and dustproof filter screen (14), tube head shell (11) are that cavity is spherical, and the inner wall for being close to tube head shell (11) internal cavities is equipped with
Dustproof filter screen (14), tube head shell (11) outer wall are equipped with ball (13), and tube head shell (11) outer wall offers suction hole (12), inhale
Stomata (12) is penetrated to tube head shell (11) internal cavities, and sampling tube head (9) is tightly connected one end of sampling sebific duct (10),
The other end for sampling sebific duct (10) is equipped with rubber hose coupling (8), and rubber hose coupling (8) is tightly connected the left end institute of buffering cavity (6)
If opening.
2. a kind of mining multiple gases collector according to claim 1, it is characterised in that: piston rod (4) right end
Portion is screw rod, and the left end for the rotation axis that motor (2) is connected is equipped with gear, the screw rod and motor of piston rod (4) right part
(2) the gear engagement of connected rotation axis.
3. a kind of mining multiple gases collector according to claim 1, it is characterised in that: piston rod (4) left end
The inner wall sliding contact of piston head set by portion and gas collecting jar with ground-on cover plate (1) internal cavities, the outlet of gas collecting jar with ground-on cover plate (1) left end and the air guide seal of tube
Connection.
4. a kind of mining multiple gases collector according to claim 1, it is characterised in that: the tube head shell (11) is outside
Wall is uniformly provided with multiple balls (13), and ball (13) is embedded in tube head shell (11) outer wall, and ball (13) and tube head shell
(11) it is in rolling contact between outer wall.
5. a kind of mining multiple gases collector according to claim 1, it is characterised in that: the tube head shell (11) is outside
Wall is uniformly provided with multiple suction holes (12), and tube head shell (11) and sampling sebific duct (10) junction are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821316367.4U CN208805401U (en) | 2018-08-15 | 2018-08-15 | A kind of mining multiple gases collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821316367.4U CN208805401U (en) | 2018-08-15 | 2018-08-15 | A kind of mining multiple gases collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805401U true CN208805401U (en) | 2019-04-30 |
Family
ID=66235263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821316367.4U Active CN208805401U (en) | 2018-08-15 | 2018-08-15 | A kind of mining multiple gases collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN208805401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795871A (en) * | 2020-07-14 | 2020-10-20 | 中煤科工集团重庆研究院有限公司 | Automatic coal mine gas sampling device and sampling time setting method |
| CN112684115A (en) * | 2020-12-23 | 2021-04-20 | 苏州工业园区泰智测控技术有限公司 | Fixed toxic gas detector |
-
2018
- 2018-08-15 CN CN201821316367.4U patent/CN208805401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795871A (en) * | 2020-07-14 | 2020-10-20 | 中煤科工集团重庆研究院有限公司 | Automatic coal mine gas sampling device and sampling time setting method |
| CN112684115A (en) * | 2020-12-23 | 2021-04-20 | 苏州工业园区泰智测控技术有限公司 | Fixed toxic gas detector |
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