CN111905300B - Sand throwing fire extinguishing device for gas station - Google Patents
Sand throwing fire extinguishing device for gas station Download PDFInfo
- Publication number
- CN111905300B CN111905300B CN202010709681.4A CN202010709681A CN111905300B CN 111905300 B CN111905300 B CN 111905300B CN 202010709681 A CN202010709681 A CN 202010709681A CN 111905300 B CN111905300 B CN 111905300B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- rotating shaft
- sand
- sleeve
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a sand-throwing fire extinguishing device for a gas station, which effectively solves the problems that fire-fighting sand in the existing sand-throwing device is dispersed when falling, the fire can be suppressed for a long time, the burning objects can not be isolated instantly, and the fire can not be prevented from spreading in time; the technical scheme for solving the problem is that the device comprises a cylinder, wherein a material storage box is arranged on the upper side of the left end of the cylinder, a rotating shaft is arranged in the cylinder, a protruding strip is arranged on the rotating shaft, a spiral blade capable of rotating along with the rotating shaft is arranged on the rotating shaft, a clamping groove is formed in the spiral blade, the protruding strip is clamped in the clamping groove, the spiral blade can stretch in the left-right direction, a sleeve is sleeved on the rotating shaft, and the right end of the spiral blade is fixed with the sleeve; rectangular boxes are arranged on the upper side and the lower side of the right end of the cylinder, and a baffle is arranged in each rectangular box; there is the casing drum right side, has seted up the discharge gate on the casing lateral wall, and the casing lateral wall is run through to the drum right-hand member, and the casing can rotate round the drum, has the hollow section of thick bamboo coaxial with the pivot in the casing, has a plurality of blades that are the circumference equipartition on the hollow section of thick bamboo to form the impeller.
Description
Technical Field
The invention relates to the technical field of fire extinguishing devices, in particular to a sand-throwing fire extinguishing device for a gas station.
Background
The fire-fighting sand is generally medium-thick dry yellow sand, is placed in a fire bucket and is used for extinguishing oil-type fire alarms, and is an important part in a gas station fire-fighting system. The existing fire fighting sand is generally equipped in a specific place, when the fire fighting sand box is used, a shovel or a trolley is used for throwing sand to a fire point manually, the fire behavior effect at the initial stage is better, but the fire behavior is slightly larger, and the characteristics of flammability and explosiveness of oil are combined.
The system is characterized in that a special sand throwing and extinguishing vehicle is also adopted for a small part, an impeller of a throwing system and an auger are in rigid connection transmission, fire fighting sand can be accumulated at the auger or the impeller once too much feeding of the auger or blockage of a throwing cylinder of the impeller occurs, the auger cannot rotate due to large resistance caused by accumulation of fire fighting sand, the impeller cannot throw out the fire fighting sand through centrifugal throwing, and the sand throwing and extinguishing vehicle cannot normally work due to blockage; the impeller throws out sand by utilizing centrifugal force, and in the sand throwing process, as the sand is dry and sand particles are not compact when the auger conveys the sand, the sand is combined with the centrifugal force generated by rotation of the impeller, so that the thrown sand is wide in coverage range but loose, an isolation layer can be formed at a fire point for a long time, a large amount of sand cannot be quickly and intensively covered to a point position, the air of the fire point cannot be quickly isolated, and the flame can still spread to the periphery in the time period.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a sand-throwing fire-extinguishing device for a gas station, which effectively solves the problems that fire-fighting sand in the existing sand-throwing device is dispersed when falling, the fire behavior can be suppressed for a long time, the burning objects can not be isolated instantly, and the fire behavior can not be prevented from spreading in time.
The technical scheme includes that the sand-prevention and sand-prevention device comprises a horizontal cylinder, a storage box is fixed on the upper side of the left end of the cylinder, sand-prevention and sand-prevention materials are contained in the storage box, a rotating shaft which is horizontal and can rotate actively is arranged in the cylinder, a plurality of protruding strips which are arranged along the axial direction of the rotating shaft are arranged on the rotating shaft, a spiral blade which can rotate along the rotating shaft is arranged on the rotating shaft, a plurality of clamping grooves which correspond to the protruding strips are formed in the spiral blade, the protruding strips are clamped in the clamping grooves, the spiral blade can stretch in the left and right direction, a sleeve is sleeved on the rotating shaft, the rotating shaft can drive the sleeve to rotate and can slide left and right along the rotating shaft; the upper side and the lower side of the right end of the cylinder are respectively provided with a rectangular box, the rectangular box cavity is communicated with the cylinder cavity, a baffle capable of moving up and down is arranged in each rectangular box, and when the sleeve moves leftwards, the two baffles can be far away from each other and the cylinder is opened;
the sand discharging device is characterized in that a shell is arranged on the right side of the cylinder, a discharging port is formed in the side wall of the shell, the right end of the cylinder penetrates through the side wall of the shell, the shell can rotate around the cylinder, a hollow cylinder coaxial with the rotating shaft is arranged in the shell, a plurality of blades which are uniformly distributed on the circumference form an impeller, and the rotation of the rotating shaft can drive the impeller to rotate so that sand is thrown out through the discharging port.
The sand throwing device has the advantages of ingenious structure, capability of realizing the extrusion and compaction of sand before throwing, ensuring the concentration of the sand at the floor point, instantaneously isolating the burning objects at the floor point from air, timely pressing out open fire on the floor point of the sand, effectively preventing the spread of fire, slowing down the expansion of the fire as much as possible, wide throwing range, strong adaptability and convenient operation.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a front cross-sectional view of the present invention.
Fig. 3 is a top cross-sectional view of the present invention.
Fig. 4 is a view from a-a in fig. 2.
Fig. 5 is a view from B-B in fig. 2.
Fig. 6 is an enlarged view of fig. 2 at C.
Fig. 7 is a schematic structural view of a cylinder and parts thereon according to the present invention.
Fig. 8 is a structural view of the rotary shaft and the upper projection bar thereof in the present invention.
Fig. 9 is a schematic view of the helical blade and its components.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, the sand-prevention and sand-prevention horizontal rotating shaft comprises a horizontal cylinder 1, a material storage box 2 is fixed on the upper side of the left end of the cylinder 1, sand-prevention and sand-prevention materials are contained in the material storage box 2, a horizontal rotating shaft 3 capable of actively rotating is arranged in the cylinder 1, a plurality of protruding strips 4 are arranged on the rotating shaft 3 along the axial direction of the rotating shaft 3, a spiral blade 5 capable of rotating along the rotating shaft 3 is arranged on the rotating shaft 3, a plurality of clamping grooves 6 corresponding to the protruding strips 4 are arranged on the spiral blade 5, the protruding strips 4 are clamped in the clamping grooves 6, the spiral blade 5 can stretch in the left-right direction, a sleeve 7 is sleeved on the rotating shaft 3, the rotating shaft 3 can drive the sleeve 7 to rotate and can slide left and right along the rotating shaft 3, and the right; rectangular boxes 8 are arranged on the upper side and the lower side of the right end of the cylinder 1, the cavities of the rectangular boxes 8 are communicated with the cavities of the cylinder 1, a baffle plate 9 capable of moving up and down is arranged in each rectangular box 8, and when the sleeve 7 moves leftwards, the two baffle plates 9 can be far away from each other and the cylinder 1 is opened;
the sand discharging device is characterized in that a shell is arranged on the right side of the cylinder 1, a discharging port is formed in the side wall of the shell, the right end of the cylinder 1 penetrates through the side wall of the shell, the shell can rotate around the cylinder 1, a hollow cylinder 10 coaxial with the rotating shaft 3 is arranged in the shell, a plurality of blades which are uniformly distributed on the circumference form an impeller 11, and the rotating shaft 3 can drive the impeller 11 to rotate to enable sand to be thrown out through the discharging port.
When the two baffles 9 are contacted, the cylinder 1 is blocked, sand is accumulated on the left side of the baffle 9, meanwhile, the right end of the spiral blade 5 is forced to carry the sleeve 7 to shrink leftwards, meanwhile, the spiral blade 5 extrudes the sand on the left side of the baffle 9 to enable the sand to become compact, the sleeve 7 moves leftwards to enable the two baffles 9 to be away from each other, the cylinder 1 is opened, the accumulated sand is rapidly filled to the impeller 11 under the action of the spiral blade 5, and the sand is thrown out through the discharge hole by the impeller 11.
In order to realize that the sleeve 7 can move leftwards to enable the two baffles 9 to be away from each other, a vertical sliding rod 12 is arranged on one side, away from the rotating shaft 3, of each baffle 9, one end of each sliding rod 12 is connected with the corresponding baffle 9 through a tension spring, the other end of each sliding rod 12 penetrates through the rectangular box 8 and is arranged outside the rectangular box 8, a longitudinal rod 13 arranged in the front-back direction is fixed at one end, outside the rectangular box 8, of each sliding rod 12, a circular ring 14 is sleeved on the corresponding cylinder 1, the circular ring 14 is positioned on the right side of the rectangular box 8, a plurality of compression springs are connected between the circular ring 14 and the rectangular box 8, the end part of each longitudinal rod 13 is hinged with a connecting rod 15, the other end of each connecting rod 15 is hinged with the corresponding circular ring 14, the two connecting rods 15 on the same side of the corresponding cylinder 1 are of a V-shaped structure with a left opening, an annular plate 16, the annular plate 16 is provided with connecting rods 18 which are in one-to-one correspondence with the sliding grooves 17, the other ends of the connecting rods 18 are arranged outside the cylinder 1 through the sliding grooves 17, one end of the connecting rod 18, which is arranged outside the cylinder 1, is provided with a horizontal sliding cylinder 19, the left end of the circular ring 14 is fixedly provided with a cross rod 20 which is parallel to the rotating shaft 3, the left end of the cross rod 20 penetrates through the sliding cylinder 19 and is arranged on the left side of the sliding cylinder 19, the left end of the cross rod 20 is provided with an annular bulge, and a tension spring; when the spiral blade 5 contracts and drives the sleeve 7 to move leftwards, the sleeve 7 drives the sliding barrel 19 to move leftwards through the annular plate 16 and the connecting rod 18, after the sliding barrel 19 contacts the annular bulge at the left end of the cross rod 20, the sliding barrel 19 drives the circular ring 14 to move leftwards through the cross rod 20, the circular ring 14 moves leftwards through the connecting rod 15 to enable the two longitudinal rods 13 to move towards one side far away from each other, the longitudinal rods 13 drive the baffle 9 to move towards one side far away from the rotating shaft 3 through the sliding rod 12 until the cylinder 1 is opened, after the cylinder 1 is opened, compact sand rapidly moves rightwards under the elastic force of the spiral blade 5 and enters the shell, and finally is thrown outwards through the discharge port under the action of the impeller 11.
In order to realize that baffle 9 can open as fast as possible, 8 inboards of rectangle box have the blind hole, have the fixture block 21 that can remove about in the blind hole, fixture block 21 arranges in between baffle 9 and slide bar 12, is connected with the pressure spring between slider and the blind hole bottom, the one end that fixture block 21 is close to baffle 9 is the hemisphere, when slide bar 12 is enough big to the pulling force of baffle 9 through the extension spring, baffle 9 can force fixture block 21 indentation blind hole, and baffle 9 gets into 8 intracavity of rectangle box rapidly.
In order to realize that pivot 3 can drive sleeve 7 and rotate and can follow pivot 3 horizontal slip, sleeve 7 in have the notch that corresponds with protruding strip 4, protruding strip 4 card is in the notch, sleeve 7 slides along protruding strip 4 through the notch.
In order to install and fix the device, a horizontal bottom plate 22 is arranged below the cylinder 1, and a plurality of support rods 23 are fixed between the bottom plate 22 and the cylinder 1; the left end of the bottom plate 22 is fixed with a vertical plate 24, the left end of the cylinder 1 is fixed on the vertical plate 24 through a flange, the left end of the rotating shaft 3 is connected with a first motor 25, and the first motor 25 is fixed on the vertical plate 24.
In order to realize that the impeller 11 can throw a large amount of compact fire fighting sand out in a short time, a rectangular frame is fixed on the right side of the shell, a first bevel gear 26 coaxial with the rotating shaft 3 is arranged in the rectangular frame, the central shaft of the first bevel gear 26 is fixed with the rotating shaft 3, a second bevel gear 27 is arranged at the right end of the hollow cylinder 10, an outer gear ring 28 is arranged between the first bevel gear 26 and the second bevel gear 27, a plurality of transmission gears 29 which are uniformly distributed on the circumference are arranged in the outer gear ring 28, the first bevel gear 26 can drive the second bevel gear 27 to rotate through the transmission gears 29, a first gear 30 is meshed with the outer side of the outer gear ring 28, a second motor 31 is connected onto the first gear 30, and the second motor 31 is fixed on.
In order to adjust the throw range, the left end of the shell is fixedly provided with a second gear, the lower side of the second gear is meshed with a third gear 32, a third motor 33 is fixed on the third gear 32, a vertical plate 34 is fixed on the bottom plate 22, and the third motor 33 is fixed on the vertical plate 34.
It is worth noting that a bearing is arranged between the right end of the cylinder 1 and the shell, a bearing is arranged between the central shaft of the first bevel gear 26 and the hollow cylinder 10, and all bearings are bearings with sealing rings to prevent sand from damaging the bearings; the sliding groove 17 is as narrow as possible, rubber strips, cloth strips or other elastic materials can be adhered to the two sides of the sliding groove 17, the left and right movement of the connecting rod 18 is not blocked, and sand leakage can also be prevented; the first motor 25, the second motor 31 and the third motor 33 are all servo motors.
Under normal conditions, qualified fire-fighting sand is always stored in a storage box 2 of the device, when a fire disaster occurs in a gas station, the device is placed at a proper position, then only a first motor 25 is opened, the first motor 25 drives a rotating shaft 3 to rotate, the rotating shaft 3 drives a spiral blade 5 to enable the fire-fighting sand to move rightwards along a cylinder 1, at the moment, two baffles 9 block the right end of the cylinder 1, the fire-fighting sand is accumulated on the baffles 9 in a left direction and is extruded by the spiral blade 5, gaps among sand particles are reduced to become compact, the spiral blade 5 is also compressed under the influence of the sand, the left end of the spiral blade 5 drives a sleeve 7 to move leftwards, the sleeve 7 drives an annular plate 16 to move leftwards, the annular plate 16 drives a sliding cylinder 19 to slide leftwards along a cross rod 20 through a connecting rod 18, and the elasticity of a pressure spring between the circular ring 14 and a rectangular box 8 is far greater than the pressure, therefore, the cross bar 20 is basically kept still, when the sliding cylinder 19 is contacted with the annular bulge at the left end of the cross bar 20, the sliding cylinder 19 continues to move leftwards, the sliding cylinder 19 drives the circular ring 14 to move leftwards through the cross bar 20, the circular ring 14 pushes the two longitudinal bars 13 away in opposite directions through the connecting rod 15, the longitudinal bars 13 pull the baffle 9 through the sliding bar 12 and the tension spring thereon, when the tension force received by the baffle 9 is large enough, the baffle 9 forces the fixture block 21 to contract into the blind hole, the baffle 9 rapidly retracts into the rectangular box 8 cavity under the action of the tension spring, at the moment, the right end of the cylinder 1 is opened, the compressed spiral blade 5 rapidly recovers and pushes the accumulated sand into the shell, the rotating shaft 3 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the second bevel gear 27 to rotate through the transmission gear 29, the hollow cylinder 27 drives the impeller 11 to rotate through the hollow cylinder 10, and the impeller 11 throws out, the fire extinguishing agent can isolate air quickly and suppress fire spreading effectively.
When the range length needs to be adjusted, the first motor 25 and the second motor 31 are started simultaneously, the second motor 31 rotates to drive the outer gear ring 28 to rotate through the first gear 30, the outer gear ring 28 and the rotating shaft 3 simultaneously do work on the second bevel gear 27, so that the rotating speed of the impeller 11 is increased or reduced, and the spraying distance is adjusted; the third motor 33 is used for adjusting the pitch angle of the discharge hole, and the spraying distance can be adjusted within a certain range.
Meet the oil that closely ground large tracts of land was revealed, adjust the discharge gate to lower position, then start first motor 25 and second motor 31 simultaneously, impeller 11 fast turn makes the slant of a large amount of fine and close sand towards ground, then spreads to the place ahead rapidly again to suppress the naked light of oil and oil to the place ahead, avoid the damage of flame to this device as far as possible, also avoid burning operating personnel as far as possible.
The invention has the outstanding advantages and remarkable progress that:
1. in the traditional equipment, the sand is usually thrown out by utilizing the air flow, in practical application, the sand thrown by utilizing the air flow falls on the ground too dispersedly and cannot be concentrated, the burning oil cannot be isolated from the air instantly, the fire can not be prevented from spreading effectively, and the air flow can also promote the fire; according to the invention, the sand which is extruded and has a large density can be rapidly pushed to the impeller 11 by utilizing the instant resilience of the spiral blade 5, and then the impeller 11 throws the sand out, and finally the sand falls on a fire point to block air, so that the fire is effectively suppressed.
2. When the first motor 25 and the second motor 31 are started simultaneously, the rotating speed of the impeller 11 can be effectively increased or reduced, the ground point after sand is thrown out is adjusted under the condition that the pitch angle of the discharge hole is not adjusted, the sand throwing device is convenient to use, and flexible adjustment can be performed according to the field condition.
3. The conventional method is also characterized in that a spiral auger and an impeller 11 are used for sand throwing, but because the fire-fighting sand is dry, when the fire-fighting sand reaches the impeller 11, the wheel blades of the impeller 11 are not filled with the sand tightly, and the fire-fighting sand is dispersed when being thrown out, so that the open fire in a specific area can not be concentrated to instantly form pressing, and the combustion substances in the area can be isolated from the air after a certain period of time; according to the invention, under the elastic action of the helical blades 5, the fire-fighting sand can completely fill the impeller 11, and even if the sand during casting is dispersed due to air resistance, the sand can still be concentrated, so that open fire can be instantly extinguished, and the fire can be effectively prevented from spreading.
The sand throwing device has the advantages of ingenious structure, capability of realizing the extrusion and compaction of sand before throwing, ensuring the concentration of the sand at the floor point, instantaneously isolating the burning objects at the floor point from air, timely pressing out open fire on the floor point of the sand, effectively preventing the spread of fire, slowing down the expansion of the fire as much as possible, wide throwing range, strong adaptability and convenient operation.
Claims (7)
1. A sand-throwing fire extinguishing device for a gas station is characterized by comprising a horizontal cylinder (1), wherein a storage box (2) is fixed on the upper side of the left end of the cylinder (1), fire-fighting sand is stored in the storage box (2), a horizontal rotating shaft (3) capable of actively rotating is arranged in the cylinder (1), a plurality of protruding strips (4) are arranged on the rotating shaft (3) along the axial direction of the rotating shaft, spiral blades (5) capable of rotating along the rotating shaft are arranged on the rotating shaft (3), a plurality of clamping grooves (6) corresponding to the protruding strips (4) are formed in the spiral blades (5), the protruding strips (4) are clamped in the clamping grooves (6), the spiral blades (5) can stretch in the left and right directions, a sleeve (7) is sleeved on the rotating shaft (3), the rotating shaft (3) can drive the sleeve (7) to rotate, the sleeve (7) can slide left and right along the rotating shaft (3), and the right end of the spiral blades (5) is fixed with the sleeve (7); rectangular boxes (8) are arranged on the upper side and the lower side of the right end of the cylinder (1), the cavities of the rectangular boxes (8) are communicated with the cavities of the cylinder (1), a baffle (9) capable of moving up and down is arranged in each rectangular box (8), when the sleeve (7) moves left, the two baffles (9) can be far away from each other, and the cylinder (1) is opened;
drum (1) right side have the casing, seted up the discharge gate on the casing lateral wall, drum (1) right-hand member runs through the casing lateral wall, the casing can rotate round drum (1), hollow section of thick bamboo (10) coaxial with pivot (3) are equipped with in the casing, have a plurality of blades that are the circumference equipartition on hollow section of thick bamboo (10) to form impeller (11), pivot (3) rotation energy drives impeller (11) and rotates and make the sand throw out through the discharge gate.
2. The sand-throwing fire extinguishing device for the gas station according to claim 1, wherein one side of the baffle (9) far away from the rotating shaft (3) is provided with a vertical sliding rod (12), one end of the sliding rod (12) is connected with the baffle (9) through a tension spring, the other end of the sliding rod (12) penetrates through the rectangular box (8) and is arranged outside the rectangular box (8), one end of the sliding rod (12) arranged outside the rectangular box (8) is fixedly provided with a longitudinal rod (13) arranged along the front-back direction, the cylinder (1) is sleeved with a ring (14), the ring (14) is arranged at the right side of the rectangular box (8), a plurality of compression springs are connected between the ring (14) and the rectangular box (8), the end part of the longitudinal rod (13) is hinged with a connecting rod (15), the other end of the connecting rod (15) is hinged with the ring (14), the two connecting rods (15) at the same side of the cylinder (1) are of the same side and, the sleeve (7) is sleeved with an annular plate (16), a bearing is installed between the sleeve (7) and the annular plate (16), sliding grooves (17) formed in the axial direction of the cylinder (1) are formed in the front side and the rear side of the cylinder (1), connecting rods (18) corresponding to the sliding grooves (17) one by one are arranged on the annular plate (16), the other ends of the connecting rods (18) are arranged on the outer side of the cylinder (1) through the sliding grooves (17), a horizontal sliding cylinder (19) is arranged at one end, arranged on the outer side of the cylinder (1), of each connecting rod (18), a cross rod (20) parallel to the rotating shaft (3) is fixed at the left end of the circular ring (14), the left end of each cross rod (20) penetrates through the corresponding sliding cylinder (19) and is arranged on the left side of the corresponding sliding cylinder (19), an annular bulge is formed at the left; when the spiral blades (5) contract and drive the sleeve (7) to move leftwards, the sleeve (7) drives the sliding barrel (19) to move leftwards through the annular plate (16) and the connecting rod (18), after the sliding barrel (19) contacts the annular bulge at the left end of the cross rod (20), the sliding barrel (19) drives the circular ring (14) to move leftwards through the cross rod (20), the circular ring (14) moves leftwards through the connecting rod (15) to enable the two longitudinal rods (13) to move towards the sides far away from each other, the longitudinal rods (13) drive the baffle (9) to move towards the side far away from the rotating shaft (3) through the sliding rod (12) until the cylinder (1) is opened, after the cylinder (1) is opened, dense sand rapidly moves rightwards under the elastic force of the spiral blades (5) and enters the shell, and finally is thrown outwards through the discharge hole under the action of the impeller (11).
3. The sand-throwing fire extinguishing device for the gas station according to claim 1, wherein a blind hole is formed in the inner side of the rectangular box (8), a clamping block (21) capable of moving left and right is arranged in the blind hole, the clamping block (21) is arranged between the baffle (9) and the sliding rod (12), a pressure spring is connected between the sliding block and the bottom of the blind hole, one end, close to the baffle (9), of the clamping block (21) is hemispherical, when the pulling force of the sliding rod (12) on the baffle (9) through the tension spring is large enough, the baffle (9) can force the clamping block (21) to retract into the blind hole, and the baffle (9) rapidly enters the cavity of the rectangular box (8).
4. A service station sand-throwing fire extinguishing apparatus according to claim 1, characterized in that the sleeve (7) has notches therein corresponding to the projecting strips (4), the projecting strips (4) being caught in the notches, the sleeve (7) being slid along the projecting strips (4) through the notches.
5. A gas station sand-throwing fire extinguishing apparatus according to claim 1, wherein a horizontal bottom plate (22) is provided under the cylinder (1), and the bottom plate (22) and the cylinder (1) are fixed together by a plurality of support rods (23); the left end of the bottom plate (22) is fixed with a vertical plate (24), the left end of the cylinder (1) is fixed on the vertical plate (24) through a flange plate, the left end of the rotating shaft (3) is connected with a first motor (25), and the first motor (25) is fixed on the vertical plate (24).
6. A gas station sand-throwing fire extinguishing apparatus according to claim 1, wherein a rectangular frame is fixed on the right side of the housing, a first bevel gear (26) coaxial with the rotating shaft (3) is arranged in the rectangular frame, the central shaft of the first bevel gear (26) is fixed with the rotating shaft (3), a second bevel gear (27) is arranged at the right end of the hollow cylinder (10), an outer gear ring (28) is arranged between the first bevel gear (26) and the second bevel gear (27), a plurality of transmission gears (29) which are uniformly distributed on the circumference are arranged in the outer gear ring (28), the first bevel gear (26) can drive the second bevel gear (27) to rotate through the transmission gears (29), a first gear (30) is meshed with the outer side of the outer gear ring (28), a second motor (31) is connected to the first gear (30), and the second motor (31) is fixed on the rectangular frame.
7. A sanding fire extinguishing apparatus for a service station as defined in claim 1, wherein the housing has a second gear fixed to the left end thereof, a third gear (32) engaged with the lower side of the second gear, a third motor (33) fixed to the third gear (32), a vertical riser (34) fixed to the base plate (22), and a third motor (33) fixed to the riser (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709681.4A CN111905300B (en) | 2020-07-22 | 2020-07-22 | Sand throwing fire extinguishing device for gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709681.4A CN111905300B (en) | 2020-07-22 | 2020-07-22 | Sand throwing fire extinguishing device for gas station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111905300A CN111905300A (en) | 2020-11-10 |
| CN111905300B true CN111905300B (en) | 2021-04-23 |
Family
ID=73280588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010709681.4A Active CN111905300B (en) | 2020-07-22 | 2020-07-22 | Sand throwing fire extinguishing device for gas station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111905300B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334231A1 (en) * | 1993-10-07 | 1995-04-20 | Daussan & Co | Installation for applying a coating onto a surface |
| JP2007240110A (en) * | 2006-03-10 | 2007-09-20 | Yo Fushin | Apparatus for compressive dehydration of washed plastic |
| KR100732984B1 (en) * | 2007-02-16 | 2007-06-28 | 김운섭 | A screw press type filter for wastewater treatment |
| RU2458718C1 (en) * | 2011-04-25 | 2012-08-20 | Анатолий Николаевич Фомин | Device for fire isolation |
| JP5412475B2 (en) * | 2011-07-08 | 2014-02-12 | シャープ株式会社 | Toner discharging device, toner cartridge, and image forming apparatus |
| CN205759296U (en) * | 2016-05-24 | 2016-12-07 | 南安普敦咨询服务有限公司 | A kind of economic benefits and social benefits fire extinguisher |
| CN207685108U (en) * | 2017-12-01 | 2018-08-03 | 四川卫利洁环保科技有限公司 | Rotary and telescopic dehydration device for waste separating treatment system |
| CN209828033U (en) * | 2019-01-02 | 2019-12-24 | 国网安徽省电力有限公司电力科学研究院 | Comprehensive fire-fighting system for oil-containing equipment of transformer substation |
| CN111467720A (en) * | 2020-05-27 | 2020-07-31 | 徐工集团工程机械有限公司 | Sand-throwing fire-extinguishing train and throwing system thereof |
-
2020
- 2020-07-22 CN CN202010709681.4A patent/CN111905300B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111905300A (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111905300B (en) | Sand throwing fire extinguishing device for gas station | |
| CN115789395B (en) | A prosthetic devices for inside lining oil pipe | |
| CN115555161B (en) | Coating cloth production equipment with uniform coating thickness | |
| CN111280026A (en) | A protection type water-saving irrigation system for agricultural | |
| CN112402841A (en) | Fire extinguishing device for electric meter box | |
| CN114792961B (en) | Ice and snow removing device for high-altitude communication cable | |
| CN116929744A (en) | Automobile brake caliper endurance test equipment | |
| CN112274813B (en) | Fire-fighting device | |
| CN112298560B (en) | Special highway patrol unmanned aerial vehicle for cluster fog weather | |
| CN114355127A (en) | Method for identifying partial discharge fault of power equipment | |
| CN112240525B (en) | Street lamp capable of automatically opening photovoltaic panel | |
| CN111185287B (en) | Rubbing crusher for domestic waste | |
| CN212880736U (en) | Movable fire-fighting equipment box with adjustable inner space | |
| CN210386591U (en) | Multilayer sieving mechanism is used in production of dry powder fire extinguishing agent | |
| CN219271997U (en) | Unmanned aerial vehicle fire control equipment of putting out a fire | |
| CN112726338A (en) | Dust removal type ground tamping equipment | |
| CN111437550B (en) | Fire monitor capable of adjusting water quantity | |
| CN115134504B (en) | Domestic intelligent monitoring equipment | |
| CN112122221B (en) | Project supervision information management method based on Internet of things | |
| CN220661679U (en) | Powder coating extrusion equipment | |
| CN213205738U (en) | Highway tunnel fire control device | |
| CN219574604U (en) | Selenium drum of laser printer | |
| CN219090920U (en) | Control box capable of rapidly extinguishing fire | |
| CN111927132A (en) | A clean equipment for glass curtain wall | |
| CN219215370U (en) | Fire control unmanned aerial vehicle fire extinguishing bomb throwing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |