CN113244560A - Gas safety machine - Google Patents
Gas safety machine Download PDFInfo
- Publication number
- CN113244560A CN113244560A CN202110543689.2A CN202110543689A CN113244560A CN 113244560 A CN113244560 A CN 113244560A CN 202110543689 A CN202110543689 A CN 202110543689A CN 113244560 A CN113244560 A CN 113244560A
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- Prior art keywords
- fixedly arranged
- gear
- rotating shaft
- cavity
- wall
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a gas safety machine, which comprises a mounting groove fixedly arranged in a wall body, wherein the gas safety machine is arranged in the mounting groove, the gas safety machine comprises a working shell, a detection control unit is fixedly arranged on the upper end surface of the working shell, a fire extinguishing cavity is arranged in the working shell, a fire extinguishing device capable of spraying dry powder to extinguish fire is arranged in the fire extinguishing cavity, and a front-back through exhaust cavity is arranged on the right side of the fire extinguishing cavity.
Description
Technical Field
The invention relates to the technical field of gas, in particular to a gas safety machine.
Background
The coal gas is gas which is prepared by processing coal as a raw material and contains combustible components, belongs to medium-heat value coal gas and can be used as civil fuel for urban people, and the coal gas contains the combustible components. The main component of the gas generated when the carbon substance is not completely combusted is carbon monoxide, and the gas is colorless, odorless and toxic, can cause poisoning by combining with hemoglobin in blood after being inhaled by people and animals, is also called coal toxicity, the machine is placed indoors to detect the concentration of coal gas in the air, when the concentration of the coal gas is lower, a fan is started to adjust the air flow rate, and when the concentration of the coal gas is too high or a fire disaster is generated, the machine sprays dry powder to a generation source and plays a role in oxygen isolation treatment.
Disclosure of Invention
The invention aims to provide a gas safety machine which is used for overcoming the defects in the prior art.
The invention relates to a gas safety machine, which comprises a mounting groove fixedly arranged in a wall body, wherein the mounting groove is internally provided with the gas safety machine, the gas safety machine comprises a working shell, the upper end surface of the working shell is fixedly provided with a detection control unit, a fire extinguishing cavity is arranged in the working shell, a fire extinguishing device capable of spraying dry powder to extinguish fire is arranged in the fire extinguishing cavity, the right side of the fire extinguishing cavity is provided with a front-back through exhaust cavity, the interior of the exhaust cavity is fixedly provided with fixed blocks which are symmetrical in vertical position, the fixed blocks are fixedly provided with an exhaust fan shell, the rear end surface of the exhaust fan shell is rotatably connected with a second rotating shaft, the second rotating shaft is fixedly provided with an exhaust fan with four blades uniformly distributed, the second rotating shaft is fixedly provided with a first bevel gear, a displacement cavity is arranged right below the exhaust cavity, and the front wall of the displacement cavity is fixedly provided with a sensor which is symmetrical in horizontal position, the displacement chamber antetheca has set firmly the third installation piece, the terminal surface has set firmly the pedestal under the third installation piece, the universal wheel has set firmly on the pedestal, the displacement chamber is installed and is controlled the wall rotation third axis of rotation of being connected, the drive wheel of controlling the position symmetry has set firmly in the third axis of rotation, the third axis of rotation has set firmly first gear, the displacement intracavity be equipped with can drive the exhaust fan rotate with the transmission that the drive wheel travel.
Optionally, extinguishing device including set up in the mounting groove of chamber bottom of putting out a fire, sliding connection has a jar body in the mounting groove, jar body surface has set firmly transparent window, dry powder has been placed to the internal dry powder that has placed of jar, the internal high-pressure gas that has filled of jar, jar body front end is equipped with first installation piece admittedly, the terminal surface has set firmly the arm before the first installation piece, the terminal surface has set firmly the shower nozzle before the arm, the checkpost has set firmly on the arm, jar body up end has set firmly the barovalve, the terminal surface has set firmly to run through under the barovalve jar body and extend to siphon in the dry powder, work shell rear wall has set firmly first motor, the terminal surface rotates before the first motor and connects first rotation pole, the cam has set firmly on the first rotation pole.
Optionally, a dry powder channel is fixedly arranged in the air pressure valve, a hose installation port is fixedly arranged in the dry powder channel, a hose communicated with the spray head is fixedly arranged on the front end surface of the hose installation port, the hose is fixed on the mechanical arm through the clip, a sliding groove penetrating through the bottom surface of the air pressure valve is communicated and arranged in the bottom wall of the dry powder channel, the sliding groove is communicated with the siphon, a sliding block is connected in the sliding groove in a sliding manner, the bottom surface of the sliding block is fixedly connected with the top surface of the siphon through a spring, guide grooves with symmetrical positions are communicated and arranged in the front side wall and the rear side wall of the sliding groove, a clamping block fixedly connected with the sliding block is connected in the guide groove in a sliding manner, a wedging block is fixedly arranged on the side wall of the sliding groove at the joint of the sliding groove and the dry powder channel, and a sealing ring tightly connected with the sliding block is fixedly arranged on the lower side surface of the wedging block, the upper end surface of the sliding block is fixedly provided with a push rod, and the upper end surface of the push rod is fixedly provided with a pressing block.
Optionally, transmission including set up in the second motor of displacement chamber left wall, the second motor right-hand member face rotates connects the fourth axis of rotation, the spline has set firmly on the fourth axis of rotation, sliding connection second gear on the spline, displacement chamber left wall has set firmly first fixed axle, rotate on the first fixed axle be connected with first gear engagement's third gear, displacement chamber right wall has set firmly the second fixed axle, rotate on the second fixed axle and connect the fourth gear, the third gear with the fourth gear homoenergetic with second gear engagement, displacement chamber right wall has set firmly the pneumatic cylinder shell, sliding connection piston in the pneumatic cylinder shell, the piston rod has set firmly on the piston, first stirring piece and second stirring piece have set firmly on the piston rod.
Optionally, a fifth rotating shaft rotatably connected to the right wall of the displacement cavity is installed directly above the second fixing shaft, a fifth gear engaged with the fourth gear is fixedly disposed on the fifth rotating shaft, a second bevel gear is fixedly disposed on the fifth rotating shaft, a sixth rotating shaft extending into the exhaust cavity is rotatably connected to the top wall of the displacement cavity, a third bevel gear engaged with the first bevel gear is fixedly disposed on the upper end surface of the sixth rotating shaft, and a fourth bevel gear engaged with the second bevel gear is fixedly disposed on the lower end surface of the sixth rotating shaft.
The invention has the beneficial effects that: the invention is provided with the exhaust fan system, can be opened when the air contains coal gas and has the effect of accelerating the circulation of the air, and when the concentration of the coal gas in the air reaches a dangerous value or the indoor ignition point is detected, the fire extinguishing device and the displacement device can spray dry powder to a specified coal gas generation source or the ignition point, thereby greatly improving the safety of indoor personnel.
Drawings
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
FIG. 1 is a schematic view of a gas safety machine according to the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure of the air pressure valve of FIG. 2;
FIG. 4 is a schematic view of the structure at B-B in FIG. 1;
FIG. 5 is a schematic view of the structure at C-C in FIG. 1.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, a gas safety device according to an embodiment of the present invention includes a mounting groove 1 fixedly disposed in a wall 73, the mounting groove 1 has a gas safety device 67 disposed therein, the gas safety device 67 includes a working housing 26, a detection control unit 2 is fixedly disposed on an upper end surface of the working housing 26, a fire extinguishing chamber 27 is disposed in the working housing 26, a fire extinguishing apparatus 101 capable of spraying dry powder to extinguish fire is disposed in the fire extinguishing chamber 27, a front-back through exhaust chamber 25 is disposed on a right side of the fire extinguishing chamber 27, fixing blocks 69 symmetrically disposed in the exhaust chamber 25 are fixedly disposed in the exhaust chamber 25, an exhaust fan housing 23 is fixedly disposed on the fixing blocks 69, a second rotating shaft 22 is rotatably connected to a rear end surface of the exhaust fan housing 23, fans 21 having four blades uniformly distributed thereon are fixedly disposed on the second rotating shaft 22, a first bevel gear 65 is fixedly disposed on the second rotating shaft 22, be equipped with displacement chamber 9 under the exhaust chamber 25, the sensor 63 of bilateral symmetry has set firmly on the 9 antetheca in displacement chamber, the 9 antetheca in displacement chamber has set firmly third installation piece 62, the terminal surface has set firmly pedestal 14 under the third installation piece 62, universal wheel 13 has set firmly on pedestal 14, displacement chamber 9 installs and controls the third axis of rotation 10 that the wall rotates to be connected, set firmly the drive wheel 11 of bilateral symmetry on the third axis of rotation 10, set firmly first gear 51 on the third axis of rotation 10, be equipped with in the displacement chamber 9 and drive exhaust fan 21 rotate with the transmission 102 that drive wheel 11 traveles.
Preferably, the fire extinguishing apparatus 101 includes an installation groove 8 disposed at the bottom of the fire extinguishing chamber 27, a tank 38 is slidably connected in the installation groove 8, a transparent window 37 is fixedly disposed on the surface of the tank 38, dry powder 35 is disposed in the tank 38, high-pressure gas 37 is filled in the tank 38, a first installation block 33 is fixedly disposed at the front end of the tank 38, a mechanical arm 6 is fixedly disposed at the front end surface of the first installation block 33, a spray head 32 is fixedly disposed at the front end surface of the mechanical arm 6, a clip 31 is fixedly disposed on the mechanical arm 6, an air pressure valve 5 is fixedly disposed at the upper end surface of the tank 38, a siphon 39 penetrating through the tank 38 and extending into the dry powder 35 is fixedly disposed at the lower end surface of the air pressure valve 5, a first motor 41 is fixedly disposed at the rear wall of the working housing 26, a first rotation rod 40 is rotatably connected to the front end surface of the first motor 41, a cam 3 is fixedly disposed on the first rotation rod 40, when fire is extinguished, the first motor 41 drives the first rotating rod 40 to rotate, the first rotating rod 40 drives the cam 3 to rotate to open the air pressure valve 5, the air pressure valve 5 is opened to drive the high-pressure gas 37 to press the dry powder 35 out of the siphon 39, the air pressure valve 5 drives the dry powder 35 to enter the hose 68, the dry powder 35 is pressed out from the spray head 32, the mechanical arm 6 drives the spray head 32 to find the position to be extinguished, after the fire is extinguished, the first motor 41 drives the cam 3 to close the air pressure valve 5, and the mechanical arm 6 drives the spray head 32 to return to the initial position.
Preferably, a dry powder channel 42 is fixedly arranged in the air pressure valve 5, a hose mounting port 30 is fixedly arranged in the dry powder channel 42, a hose 68 communicated with the spray head 32 is fixedly arranged on the front end surface of the hose mounting port 30, the hose 68 is fixed on the mechanical arm 6 through the clip 31, a sliding groove 47 penetrating through the bottom surface of the air pressure valve 5 is communicated and arranged in the bottom wall of the dry powder channel 42, the sliding groove 47 is communicated and communicated with the siphon 39, a sliding block 45 is connected in the sliding groove 47 in a sliding manner, the bottom surface of the sliding block 45 is fixedly connected with the top surface of the siphon 39 through a spring 46, guide grooves 49 with symmetrical positions are communicated and arranged in the front and back side walls of the sliding groove 47, a clamping block 50 fixedly connected with the sliding block 45 is connected in the guide groove 49 in a sliding manner, and a wedge block 43 is fixedly arranged on the side wall of the sliding groove 47 at the connection position of the sliding groove 47 and the dry powder channel 42, the downside of wedge 43 sets firmly can with slider 45 zonulae occludens's sealing washer 44, slider 45 with sealing washer 44 sliding connection, slider 45 up end has set firmly push rod 29, push rod 29 up end has set firmly presses the briquetting 28, when pneumatic valve 5 opened, presses briquetting 28 to push down and moves push rod 29 downstream, and push rod 29 drives slider 45 cunning and sealing washer 44 separation, and spring 46 is in compression state, and when pneumatic valve 5 closed, press briquetting 28 atress, spring 46 drives slider 45 cunning upwards, and slider 45 and wedge 43 wedging, slider 45 and sealing washer 44 zonulae occludens.
Preferably, the transmission device 102 includes a second motor 52 disposed on the left wall of the displacement chamber 9, a right end surface of the second motor 52 is rotatably connected to a fourth rotating shaft 53, a spline 15 is fixedly disposed on the fourth rotating shaft 53, a second gear 59 is slidably connected to the spline 15, a first fixed shaft 12 is fixedly disposed on the left wall of the displacement chamber 9, a third gear 71 engaged with the first gear 51 is rotatably connected to the first fixed shaft 12, a second fixed shaft 60 is fixedly disposed on the right wall of the displacement chamber 9, a fourth gear 61 is rotatably connected to the second fixed shaft 60, both the third gear 71 and the fourth gear 61 can be engaged with the second gear 59, a hydraulic cylinder housing 58 is fixedly disposed on the right wall of the displacement chamber 9, a piston 57 is slidably connected to the hydraulic cylinder housing 58, a piston rod 55 is fixedly disposed on the piston 57, a first dial 54 and a second dial 56 are fixedly disposed on the piston rod 55, the second motor 52 rotates the fourth rotating shaft 53, when the hydraulic cylinder 58 drives the second gear 59 to engage with the third gear 71, the third gear 71 drives the first gear 51 to rotate, the first gear 51 drives the whole structure to move, and when the hydraulic cylinder 58 contracts, the second gear 59 engages with the fourth gear 61.
Preferably, a fifth rotating shaft 18 rotatably connected with the right wall of the displacement chamber 9 is installed right above the second fixed shaft 60, a fifth gear 19 engaged with the fourth gear 61 is fixedly arranged on the fifth rotating shaft 18, a second bevel gear 16 is fixedly arranged on the fifth rotating shaft 18, a sixth rotating shaft 20 extending into the exhaust cavity 25 is rotatably connected to the top wall of the displacement cavity 9, a third bevel gear 66 engaged with the first bevel gear 65 is fixedly arranged on the upper end surface of the sixth rotating shaft 20, a fourth bevel gear 17 engaged with the second bevel gear 16 is fixedly arranged on the lower end surface of the sixth rotating shaft 20, the fourth gear 61 drives the fifth gear 19 to rotate, the fifth gear 19 rotates to drive the fifth rotating shaft 18 to rotate, the fifth rotating shaft 18 rotates to drive the second bevel gear 16 to rotate, the second bevel gear 16 rotates to drive the third bevel gear 66 to rotate, and the third bevel gear 66 rotates to drive the first bevel gear 65 to rotate so as to enable the exhaust fan 21 to start to work.
In the initial state, the spring 46 is in a compressed state, the wedge block 43 and the slide block 45 are in a wedged state, the mechanical arm 6 is in a standby state, the air pressure valve 5 is in a closed state, the exhaust fan 21 is in a static state, and the driving wheel 11 is in a static state.
When the detection control unit 2 detects that gas exists in the air, the second motor 52 drives the fourth rotating shaft 53 to rotate, the hydraulic cylinder 58 pushes the second gear 59 to a position where the second gear is meshed with the fourth gear 61, and the fourth gear 61 drives the exhaust fan 21 to rotate to work, so that the gas is exhausted, the content of the gas in the air is reduced, and poisoning is avoided;
when the gas concentration in the air is detected not to be reduced or reach a dangerous value, the hydraulic cylinder 58 pushes the second gear 59 to a position where the second gear is meshed with the third gear 71, the third gear 71 drives the first gear 51 to rotate, the first gear 51 rotates to drive the driving wheel 11 to rotate, the universal wheel 13 moves according to the detected heat source or a position where the concentration is higher, after the machine moves to a specified position, the second motor 52 stops working, the machine stops at a specified position, when coal or fire occurs, the machine sprays dry powder 35 to the coal or the fire according to the detected heat source and the gas concentration, the first motor 41 drives the cam 3 to rotate, the pressing block 28 is pressed to drive the sliding block 45 to slide downwards, the sliding block 45 and the spring 46 are in a compressed state, the sliding block 45 is separated from the sealing ring 44, the dry powder 35 is pressed out of the siphon 39 by the high-pressure gas 37 and enters the hose 68 to the spray head 32 through the sliding groove 47 and the dry powder channel 42, the mechanical arm 6 is lifted to a designated position to align the spray head 32 at the position where the dry powder 35 needs to be covered, and the spray head 32 starts the fire extinguishing work.
When the reset operation is needed, the first motor 41 rotates to drive the cam 3 to rotate, the pressing block 28 is not extruded by the cam 3, the sliding block 45 is extruded by the spring 46 to move upwards to the wedging position with the wedging block 43, the sealing ring 44 is tightly connected with the sliding block 45, the dry powder 35 cannot be continuously sprayed out, and the mechanical arm 6 retracts to be placed at the initial position.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a coal gas safety machine, is including setting firmly the mounting groove in the wall body, place coal gas safety machine in the mounting groove, its characterized in that: the coal gas safety machine comprises a working shell, a detection control unit is fixedly arranged on the upper end face of the working shell, a fire extinguishing cavity is arranged in the working shell, a fire extinguishing device capable of spraying dry powder to extinguish fire is arranged in the fire extinguishing cavity, an exhaust cavity which is communicated with the front and the back is arranged on the right side of the fire extinguishing cavity, fixed blocks which are symmetrical in vertical position are fixedly arranged in the exhaust cavity, an exhaust fan shell is fixedly arranged on the fixed blocks, the rear end face of the exhaust fan shell is rotatably connected with a second rotating shaft, an exhaust fan with four blades uniformly distributed is fixedly arranged on the second rotating shaft, a first bevel gear is fixedly arranged on the second rotating shaft, a displacement cavity is arranged right below the exhaust cavity, sensors which are symmetrical in horizontal position are fixedly arranged on the front wall of the displacement cavity, a third mounting block is fixedly arranged on the front wall of the displacement cavity, a shaft bracket is fixedly arranged on the lower end face of the third mounting block, and universal wheels are fixedly arranged on the shaft bracket, the displacement chamber is provided with a third rotating shaft which is rotationally connected with the left wall and the right wall, the third rotating shaft is fixedly provided with driving wheels which are symmetrical in left and right positions, the third rotating shaft is fixedly provided with a first gear, and the displacement chamber is internally provided with a transmission device which can drive the exhaust fan to rotate and the driving wheels to run.
2. A gas safety machine as claimed in claim 1, wherein: the fire extinguishing device comprises a mounting groove arranged at the bottom of the fire extinguishing cavity, a tank body is connected to the bottom of the fire extinguishing cavity in a sliding mode, a transparent window is fixedly arranged on the surface of the tank body, dry powder is placed in the tank body, high-pressure gas is filled in the tank body, a first mounting block is fixedly arranged at the front end of the tank body, a mechanical arm is fixedly arranged on the front end face of the first mounting block, a spray head is fixedly arranged on the front end face of the mechanical arm, a clamp is fixedly arranged on the mechanical arm, a pneumatic valve is fixedly arranged on the upper end face of the tank body, a siphon penetrating through the tank body and extending into the dry powder is fixedly arranged on the lower end face of the pneumatic valve, a first motor is fixedly arranged on the rear wall of the working shell, a first rotating rod is rotatably connected to the front end face of the first motor, and a cam is fixedly arranged on the first rotating rod.
3. A gas safety machine as claimed in claim 2, wherein: a dry powder channel is fixedly arranged in the air pressure valve, a hose mounting port is fixedly arranged in the dry powder channel, a hose communicated with the spray head is fixedly arranged on the front end surface of the hose mounting port, the hose is fixed on the mechanical arm through the clip, a sliding groove penetrating through the bottom surface of the air pressure valve is communicated in the bottom wall of the dry powder channel and communicated with the siphon, a sliding block is connected in the sliding groove in a sliding manner, the bottom surface of the sliding block is fixedly connected with the top surface of the siphon through a spring, guide grooves with symmetrical positions are communicated in the front side wall and the rear side wall of the sliding groove, a clamping block fixedly connected with the sliding block is connected in the guide groove in a sliding manner, a wedging block is fixedly arranged on the side wall of the sliding groove at the joint of the sliding groove and the dry powder channel, a sealing ring tightly connected with the sliding block is fixedly arranged on the lower side wall of the wedging block, and a push rod is fixedly arranged on the upper end surface of the sliding block, the upper end surface of the push rod is fixedly provided with a pressing block.
4. A gas safety machine as claimed in claim 1, wherein: the transmission including set up in the second motor of displacement chamber left wall, the second motor right-hand member face rotates connects the fourth axis of rotation, the spline has set firmly in the fourth axis of rotation, sliding connection second gear on the spline, displacement chamber left wall has set firmly first fixed axle, rotate on the first fixed axle be connected with first gear engagement's third gear, displacement chamber right wall has set firmly the second fixed axle, rotate on the second fixed axle and connect the fourth gear, the third gear with the fourth gear homoenergetic with second gear engagement, displacement chamber right wall has set firmly the pneumatic cylinder shell, sliding connection piston in the pneumatic cylinder shell, the piston rod has set firmly on the piston rod, first stirring piece and second stirring piece have set firmly on the piston rod.
5. The gas safety machine of claim 4, wherein: a fifth rotating shaft rotatably connected with the right wall of the displacement cavity is installed right above the second fixing shaft, a fifth gear meshed with the fourth gear is fixedly arranged on the fifth rotating shaft, a second bevel gear is fixedly arranged on the fifth rotating shaft, a sixth rotating shaft extending into the air exhaust cavity is rotatably connected to the top wall of the displacement cavity, a third bevel gear meshed with the first bevel gear is fixedly arranged on the upper end face of the sixth rotating shaft, and a fourth bevel gear meshed with the second bevel gear is fixedly arranged on the lower end face of the sixth rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543689.2A CN113244560A (en) | 2021-05-19 | 2021-05-19 | Gas safety machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543689.2A CN113244560A (en) | 2021-05-19 | 2021-05-19 | Gas safety machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113244560A true CN113244560A (en) | 2021-08-13 |
Family
ID=77182697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110543689.2A Pending CN113244560A (en) | 2021-05-19 | 2021-05-19 | Gas safety machine |
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| CN (1) | CN113244560A (en) |
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| CN211835973U (en) * | 2020-03-20 | 2020-11-03 | 新疆维吾尔自治区煤田地质局综合地质勘查队 | Fire extinguishing construction device with dust removal effect |
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2021
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| JPH06281136A (en) * | 1994-01-18 | 1994-10-07 | Hitachi Home Tec Ltd | Control circuit for hot-air heater |
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Application publication date: 20210813 |