CN112274813B - Fire-fighting device - Google Patents
Fire-fighting device Download PDFInfo
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- CN112274813B CN112274813B CN202011068851.1A CN202011068851A CN112274813B CN 112274813 B CN112274813 B CN 112274813B CN 202011068851 A CN202011068851 A CN 202011068851A CN 112274813 B CN112274813 B CN 112274813B
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- water
- sand
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- plate
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- 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
Abstract
The invention belongs to the technical field of fire extinguishing equipment, and relates to a fire extinguishing device. The sand storage device comprises a vehicle body, wherein a box body and an installation box are arranged on the vehicle body, a partition plate is arranged in the box body, the partition plate divides the box body into a water storage cavity and a sand storage cavity, and a feed hopper is arranged on the box body; a driving shaft is arranged in the mounting box, a plurality of supporting arms are arranged on the driving shaft, arc-shaped plates are arranged on the supporting arms, a strip-shaped through hole is formed in the mounting box, and a driving mechanism capable of driving the driving shaft to rotate intermittently is arranged in the mounting box; the inner wall of the installation box is provided with two installation pipes, a support and a hemispherical plate are arranged in the installation pipes, a drain hole is formed in the hemispherical plate, a drainage mechanism capable of absorbing and draining water is arranged on the support, two cylinders are arranged on the installation box, and a sand draining mechanism is arranged on the partition plate; the driving mechanism drives the arc-shaped plate to rotate between the two installation pipes, and the sand discharging mechanism can convey fire-fighting sand in the sand storage cavity to the arc-shaped plate. The invention has the advantages that: the fire-fighting sand is thrown in a long distance and covers the fire-fighting point in time, so that the fire-fighting efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of fire extinguishing equipment, and relates to a fire extinguishing device.
Background
In recent years, with the increasing number of enterprises related to flammable and explosive dangerous goods in China, the scale is continuously enlarged, in particular to the petroleum industry. The frequency and scale of fire and explosion accidents caused by petroleum during production, storage and transportation are also increased. Causing a great deal of casualties, property loss and environmental pollution, and bringing immeasurable loss to the society. In the process of fighting a petroleum fire, water, foam, carbon dioxide and other modes are difficult to extinguish, and sand is often adopted to cover and extinguish the fire. Thus, a certain amount of fire control sand is reserved at these sites. When putting out a fire, the fire fighter digs with instrument such as sand bucket, spade and cancels the sand control, covers the fire control sand again to the fire source department, isolated air puts out a fire through the effect of suffocation to eliminate the conflagration. The method has the disadvantages that the fire extinguishing speed is too slow, fire fighters are close to a fire source during fire extinguishing, and the fire fighting efficiency is low and the rescue danger is high due to the risk of burning.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a fire-fighting device, and aims to solve the technical problems that: how to throw fire-fighting sand in a long distance and enable the fire-fighting sand to cover a fire point in time, and the fire-fighting efficiency is improved.
The invention is realized by the following technical scheme: a fire fighting unit comprising:
the sand storage device comprises a vehicle body, wherein a box body is fixedly arranged on the vehicle body, a partition plate is arranged in the box body, the partition plate divides the interior of the box body into a water storage cavity and a sand storage cavity from bottom to top, a feed hopper is fixedly arranged at the top of the box body, and the feed hopper is communicated with the sand storage cavity;
the mounting box is fixedly arranged on the vehicle body and positioned in front of the box body, a driving shaft is rotatably arranged in the mounting box along the width direction, a plurality of supporting arms are uniformly and fixedly arranged on the driving shaft along the circumferential direction, an arc-shaped plate is fixedly arranged at the free ends of the supporting arms, a strip-shaped through hole is formed in the upper side surface of the mounting box and corresponds to the arc-shaped plate, and a driving mechanism capable of driving the driving shaft to intermittently rotate and enabling the arc-shaped plate to extend out of the strip-shaped through hole at least at one position is arranged in the mounting box; the fire fighting sand storage tank is characterized in that two mounting pipes are fixedly arranged on the inner wall of the mounting box along the width direction, the mounting pipes are horizontally arranged, a support is arranged in the mounting pipes in a sliding manner along the axial direction, a hemispherical plate is fixedly arranged on the support, a plurality of drainage holes are formed in the hemispherical plate, a drainage mechanism capable of sucking water in a water storage cavity and draining the water to the drainage holes is arranged on the support, two cylinders are arranged on the mounting box, the piston end of each cylinder is connected with the drainage mechanism, and a sand drainage mechanism capable of conveying fire fighting sand in a sand storage cavity into the mounting box is arranged on the partition plate;
the driving mechanism drives the arc-shaped plate at the lower side to rotate between the two mounting pipes, and the arc-shaped plate at the rear side moves upwards to extend out of the strip-shaped through hole; at the moment, the fire fighting sand in the sand storage cavity is conveyed to the arc-shaped plate by the sand discharging mechanism, the two cylinders respectively drive the bracket to extend out of the mounting pipe, the two hemispherical plates are spliced into a sphere, and the water in the sphere is discharged out of the water discharging hole by the water discharging mechanism; when the cylinder drives the hemispherical plate to retract into the mounting pipe, the water in the water storage cavity is sucked by the drainage mechanism.
In foretell fire control extinguishing device, arrange husky mechanism and include a transport cylinder, a transport cylinder sets firmly on the baffle, the transport cylinder lower extreme passes the box and stretches into in the install bin, the transport cylinder upper end is outside stretching out the box, arrange the husky chamber in the transport cylinder, the inner wall of arranging the husky chamber runs through the lower extreme of a transport cylinder, set up the blanking mouth that the husky chamber was arranged in the intercommunication on the transport cylinder, it is provided with the pivot to rotate on the transport cylinder, pivot and the coaxial setting of a transport cylinder, spiral leaf has set firmly in the pivot, be provided with first motor on the upper end of a transport cylinder, first motor is connected with the pivot transmission.
In foretell fire control extinguishing device, the collecting plate has set firmly on the bottom of install bin, the transversal arc of personally submitting of collecting plate, the upper end of collecting plate is located the below of the lower extreme of a conveyer cylinder, the collecting plate is corresponding with the arc, have the cavity in the collecting plate, work as actuating mechanism drives the arc and rotates, and this arc extends in the cavity.
In the fire-fighting device, the drainage mechanism comprises a piston cylinder, the axial direction of the piston cylinder is consistent with the axial direction of the installation pipe, the bottom of the piston cylinder is fixedly arranged on the support, a piston rod is arranged on the piston cylinder in an axial direction in a sliding manner, one end of the piston rod extends into the piston cylinder, the end part of the piston rod is fixedly connected with a piston, and the other end of the piston rod extends out of the piston cylinder and is connected with the piston end of the air cylinder; the piston is arranged in the piston cylinder in a sliding mode, a water cavity is formed between the piston and the bottom of the piston cylinder, a first water delivery pipe is connected to the bottom of the piston cylinder, the other end of the first water delivery pipe penetrates through the installation box and is communicated with the bottom of the water storage cavity, a first one-way valve is arranged on the first water delivery pipe, a water bag is arranged between the piston cylinder and the hemispherical plate, the water cavity is communicated with the water bag through a second water delivery pipe, a second one-way valve is arranged on the second water delivery pipe, and a communication pipe is connected between the water bag and each drain hole; the inner wall of the mounting pipe is provided with a sliding chute along the length direction, the bracket is fixedly provided with two sliding blocks, each sliding block corresponds to one sliding chute, and the sliding blocks are arranged in the corresponding sliding chutes in a sliding manner; in the process of splicing the two hemispherical plates into a sphere, the cylinder drives the piston to move towards the bottom of the water cavity, so that water is discharged out of the water discharge hole; when the hemispherical plate retracts into the installation pipe, the sliding block slides to the bottom of the sliding groove, the piston moves towards the top of the piston cylinder, and water in the water storage cavity is sucked into the water cavity.
In the fire-fighting device, the box body is provided with the water inlet pipe, and one end of the water inlet pipe is communicated with the top of the water storage cavity.
In the fire fighting equipment, the driving mechanism includes a second motor, the second motor is arranged in the installation box, the output shaft of the second motor is coaxially and fixedly provided with a rotating disk and a positioning disk, the rotating disk is fixedly provided with a stop lever, the edge of the positioning disk is provided with an avoiding gap, and the stop lever corresponds to the avoiding gap; the driving shaft is coaxially and fixedly provided with an intermittent wheel, the intermittent wheel corresponds to the positioning disc, the intermittent wheel is uniformly provided with four limiting grooves, a positioning groove is formed between every two adjacent limiting grooves, the bottom of the positioning groove is matched with the wheel surface of the positioning disc, and when the second motor drives the rotating disc and the positioning disc to synchronously rotate, at least one position exists, so that the stop lever enters the limiting grooves and drives the intermittent wheel to rotate.
In foretell fire control extinguishing device, be provided with the water pump on the automobile body, the drainage of water pump is served and is connected with first water pipe, the end of intaking of water pump is connected with the second water pipe, the bottom in second water pipe intercommunication retaining chamber, the one end of first water pipe is connected with high pressure nozzle.
In the fire-fighting device, the box body is fixedly provided with a support frame for placing the high-pressure spray head.
In the fire-fighting device, the cross section of the partition board is in a V shape, and the conveying cylinder is fixedly arranged at the bottom of the V-shaped partition board.
Compared with the prior art, the device has the following advantages:
1. fire fighting sand enters the sand storage cavity through the feed hopper, so that sufficient fire fighting sand is kept in the sand storage cavity. When fuel oil such as petroleum catches fire, the vehicle body is moved to the periphery of the ignition point, and the driving mechanism and the sand discharging mechanism are started. The driving mechanism drives the driving shaft to rotate intermittently, so that one of the arc-shaped plates rotates between the two mounting pipes. At this point, the arcuate plate stops moving and is positioned below the discharge end of the sand discharge mechanism. The fire fighting sand in the sand storage cavity is discharged onto the arc-shaped plate by the sand discharging mechanism. Then, the two cylinders respectively drive the corresponding hemispherical plates to extend out of the mounting pipe, and the sand removal prevention on the arc-shaped plates is extruded between the two hemispherical plates. When the two hemispherical plates are combined into a sphere, the fire-fighting sand is squeezed into the sphere. At the same time, the drainage mechanism drains the water from the drainage hole, so that the water seeps into the sand, fills the gaps between the sand and the air is drained out of the gaps between the sand. The fire-fighting sand in the sphere is formed into a sphere which is not easy to loosen under the combined action of the extrusion of the two hemispherical plates and the water permeation. Then, the two cylinders drive the corresponding hemispherical plates to retract into the mounting pipe, and water in the water storage cavity is sucked into the drainage mechanism. The driving mechanism drives the driving shaft to rotate clockwise again, and the spherical fire fighting sand is thrown out after the arc-shaped plate penetrates through the strip-shaped through hole.
When the spherical fire-fighting sand moves in the air, the air resistance of the spherical fire-fighting sand is smaller than that of the loose fire-fighting sand, so that the spherical fire-fighting sand is cast farther under the same acting force, thereby being convenient for the device to extinguish fire at a position far away from a fire point and preventing personnel from burning; and the spherical fire-fighting sand is not easy to loosen during air movement, and after falling to a fire point, the fire-fighting sand covers the fire point, so that air and the fire point are isolated in time, the fire point at the position is extinguished, and the fire-fighting efficiency is improved. The structure overcomes the defects that loose fire-fighting sand is short in throw distance, is easy to diffuse all around and cannot cover a fire point in time and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the structure at a-a in fig. 1.
Fig. 3 is a partially enlarged view at B in fig. 1.
Fig. 4 is a partially enlarged view at C in fig. 2.
Fig. 5 is a schematic view of the structure of the driving mechanism of the present invention.
In the figure, 1, a vehicle body; 2. a box body; 21. a partition plate; 22. a water storage cavity; 221. a water inlet pipe; 23. a sand storage cavity; 24. a feed hopper; 3. a delivery cartridge; 31. a sand discharge cavity; 32. a blanking port; 33. a rotating shaft; 34. helical leaves; 35. a first motor; 4. installing a box; 41. a drive shaft; 42. a strip-shaped through hole; 43. a support arm; 44. an arc-shaped plate; 45. a drive mechanism; 451. rotating the disc; 452. a second motor; 453. positioning a plate; 454. avoiding the notch; 455. a stop lever; 456. a batch wheel; 457. positioning a groove; 458. a limiting groove; 5. installing a pipe; 51. a cylinder; 52. a chute; 6. a piston cylinder; 61. a piston rod; 62. a piston; 63. a water chamber; 64. a first water delivery pipe; 641. a first check valve; 65. a second water delivery pipe; 651. a second one-way valve; 66. a slider; 7. a support; 71. a hemispherical plate; 72. a drain hole; 73. a water bladder; 74. a communicating pipe; 8. a collection plate; 81. a cavity; 9. a water pump; 91. a first water pipe; 92. a high pressure spray head; 93. a support frame; 94. a second water pipe.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1 to 5, a fire fighting device includes:
the sand storage and separation vehicle comprises a vehicle body 1, wherein a box body 2 is fixedly arranged on the vehicle body 1, a partition plate 21 is arranged in the box body 2, the partition plate 21 divides the interior of the box body 2 into a water storage cavity 22 and a sand storage cavity 23 from bottom to top, a feed hopper 24 is fixedly arranged at the top of the box body 2, and the feed hopper 24 is communicated with the sand storage cavity 23;
the mounting box 4 is fixedly arranged on the vehicle body 1 and positioned in front of the box body 2, a driving shaft 41 is rotatably arranged in the mounting box 4 along the width direction, four supporting arms 43 are uniformly and fixedly arranged on the driving shaft 41 along the circumferential direction, two adjacent supporting arms 43 are mutually vertical, an arc-shaped plate 44 is fixedly arranged on the free end of each supporting arm 43, a strip-shaped through hole 42 is formed in the upper side surface of the mounting box 4, the strip-shaped through hole 42 corresponds to the arc-shaped plate 44, and a driving mechanism 45 which can drive the driving shaft 41 to intermittently rotate and at least has one position so that the arc-shaped plate 44 extends out of the strip-shaped through hole 42 is arranged in the mounting box 4; two mounting pipes 5 are fixedly arranged on the inner wall of the mounting box 4 along the width direction, the mounting pipes 5 are horizontally arranged, a support 7 is arranged in each mounting pipe 5 in a sliding manner along the axial direction, each support 7 is in a circular pipe shape, a hemispherical plate 71 is fixedly arranged on each support 7, a plurality of water drainage holes 72 are formed in each hemispherical plate 71, a drainage mechanism capable of sucking water in the water storage cavity 22 and discharging the water to the water drainage holes 72 is arranged on each support 7, two air cylinders 51 are arranged on the mounting box 4, the piston end of each air cylinder 51 is connected with a drainage mechanism, and a sand drainage mechanism capable of conveying fire fighting sand in the sand storage cavity 23 into the mounting box 4 is arranged on each partition plate 21;
the driving mechanism 45 drives the arc-shaped plate 44 at the lower side to rotate between the two mounting pipes 5, and the arc-shaped plate 44 at the rear side moves upwards to extend out of the strip-shaped through hole 42; at this time, the sand discharging mechanism conveys the fire fighting sand in the sand storage cavity 23 to the arc-shaped plate 44, the two cylinders 51 respectively drive the bracket 7 to extend out of the mounting pipe 5, so that the two hemispherical plates 71 are spliced into a sphere, and the water discharging mechanism discharges the water in the sphere out of the water discharging hole 72; when the cylinder 51 drives the hemispherical plate 71 to retract into the mounting pipe 5, the water discharging mechanism sucks water in the water storage cavity 22.
The fire-fighting sand enters the sand storage cavity 23 through the feed hopper 24, so that the sufficient fire-fighting sand is kept in the sand storage cavity 23. When a fuel such as petroleum is ignited, the vehicle body 1 is moved to the vicinity of the ignition point, and the drive mechanism 45 and the sand discharge mechanism are activated. The drive mechanism 45 intermittently rotates the drive shaft 41 to rotate one of the arcuate plates 44 between the two mounting tubes 5. At this point, the arcuate plate 44 stops moving and is positioned below the discharge end of the sand discharge mechanism. The sand discharge mechanism discharges the fire-fighting sand in the sand storage chamber 23 onto the arc-shaped plate 44. Then, the two cylinders 51 respectively drive the corresponding hemispherical plates 71 to extend out of the mounting pipe 5, and the fire sand on the arc-shaped plate 44 is squeezed between the two hemispherical plates 71. When the two hemispherical plates 71 are split into a sphere, the fire sand is squeezed inside the sphere. At the same time, the drainage mechanism drains the water therein out of the drainage hole 72, so that the water penetrates into the desanding and control sand, filling the gaps between the desanding and control sand, and the air is drained out of the gaps between the desanding and control sand. The fire-fighting sand in the sphere is formed into a sphere which is not easy to loosen under the combined action of the extrusion of the two semi-spherical plates 71 and the water permeation. Then, the two cylinders 51 drive the corresponding hemispherical plates 71 to retract into the mounting pipe 5, and the water in the water storage chamber 22 is sucked into the drainage mechanism. The driving mechanism 45 drives the driving shaft 41 to rotate clockwise again, and the arc-shaped plate 44 penetrates through the strip-shaped through hole 42 to throw the spherical fire fighting sand out.
When the spherical fire-fighting sand moves in the air, the air resistance of the spherical fire-fighting sand is smaller than that of the loose fire-fighting sand, so that the spherical fire-fighting sand is cast farther under the same acting force, thereby being convenient for the device to extinguish fire at a position far away from a fire point and preventing personnel from burning; and the spherical fire-fighting sand is not easy to loosen during air movement, and after falling to a fire point, the fire-fighting sand covers the fire point, so that air and the fire point are isolated in time, the fire point at the position is extinguished, and the fire-fighting efficiency is improved. The structure overcomes the defects that loose fire-fighting sand is short in throw distance, is easy to diffuse all around and cannot cover a fire point in time and the like.
Particularly, arrange husky mechanism including a conveying cylinder 3, a conveying cylinder 3 sets firmly on baffle 21, 3 lower extremes of a conveying cylinder pass box 2 and stretch into in the install bin 4, 3 upper ends of a conveying cylinder stretch out outside box 2, arrange husky chamber 31 has in the conveying cylinder 3, the inner wall of arranging husky chamber 31 runs through the lower extreme of a conveying cylinder 3, set up the blanking mouth 32 that intercommunication was arranged husky chamber 31 on the conveying cylinder 3, it is provided with pivot 33 to rotate on the conveying cylinder 3, pivot 33 and the coaxial setting of a conveying cylinder 3, set firmly spiral shape spiral leaf 34 on the pivot 33, be provided with first motor 35 on the upper end of a conveying cylinder 3, first motor 35 is connected with pivot 33 transmission, first motor 35 external power source electricity is connected.
The fire fighting sand in the sand storage chamber 23 passes through the blanking port 32 and enters the sand discharging chamber 31, when the sand discharging mechanism is driven, the first motor 35 drives the rotating shaft 33 to rotate, the spiral blade 34 discharges the fire fighting sand in the sand discharging chamber 31 out of the lower end of the conveying cylinder 3, and the fire fighting sand falls on the arc-shaped plate 44 below the lower end of the conveying cylinder 3.
This structure is convenient for carry the fire control sand in holding the sand chamber 23 to the install bin 4.
Specifically, a collecting plate 8 is fixedly arranged at the bottom of the installation box 4, the cross section of the collecting plate 8 is arc-shaped, the upper end of the collecting plate 8 is positioned below the lower end of the conveying cylinder 3, the collecting plate 8 corresponds to the arc-shaped plate 44, a cavity 81 is formed in the collecting plate 8, and when the driving mechanism 45 drives the arc-shaped plate 44 to rotate, the arc-shaped plate 44 extends into the cavity 81.
After the sand discharging mechanism is started, the spiral blade 34 discharges the fire fighting sand in the sand discharging cavity 31 out of the lower end of the conveying cylinder 3. When the arc plate 44 is rotated between the two installation pipes 5, fire fighting sand falls onto the arc plate 44; the fire sand falls directly into the cavity 81 when it does not fall onto the arcuate plate 44. When the driving mechanism 45 drives the arc-shaped plate 44 to pass through the cavity 81, the arc-shaped plate 44 collects the fire-fighting sand in the cavity 81. The structure is beneficial to centralizing the fire fighting sand on the collecting plate 8, and the waste of fire fighting sand is avoided; and also improves the efficiency of the curved plate 44 in collecting the fire fighting sand so that the curved plate 44 stores sufficient fire fighting sand to supply the two hemispherical plates 71 to be extruded into a spherical shape.
Specifically, the drainage mechanism comprises a piston cylinder 6, the axial direction of the piston cylinder 6 is consistent with the axial direction of the mounting pipe 5, the bottom of the piston cylinder 6 is fixedly arranged on the support 7, a piston rod 61 is arranged on the piston cylinder 6 in an axial sliding manner, one end of the piston rod 61 extends into the piston cylinder 6, the end part of the piston rod is fixedly connected with a piston 62, and the other end of the piston rod 61 extends out of the piston cylinder 6 and is connected with the piston end of the air cylinder 51; the piston 62 is slidably arranged in the piston cylinder 6, a water cavity 63 is formed between the piston 62 and the bottom of the piston cylinder 6, a first water pipe 64 is connected to the bottom of the piston cylinder 6, the other end of the first water pipe 64 penetrates through the installation box 4 to be communicated with the bottom of the water storage cavity 22, a first one-way valve 641 is arranged on the first water pipe 64, a water bag 73 is arranged between the piston cylinder 6 and the hemispherical plate 71, the water cavity 63 is communicated with the water bag 73 through a second water pipe 65, a second one-way valve 651 is arranged on the second water pipe 65, and a communicating pipe 74 is connected between the water bag 73 and each water drainage hole 72; the inner wall of the mounting pipe 5 is provided with a sliding groove 52 along the length direction, the bracket 7 is fixedly provided with two sliding blocks 66, each sliding block 66 corresponds to one sliding groove 52, and the sliding blocks 66 are slidably arranged in the corresponding sliding grooves 52; in the process of combining the two hemispherical plates 71 into a sphere, the cylinder 51 drives the piston 62 to move towards the bottom of the water cavity 63, so that water is discharged out of the water discharge hole 72; when the hemispherical plate 71 retracts into the mounting tube 5 and the slide block 66 slides to the bottom of the slide groove 52, the piston 62 moves towards the top of the piston cylinder 6 to suck the water in the water storage cavity 22 into the water cavity 63.
When the air cylinders 51 and the drainage mechanism work, the two air cylinders 51 respectively drive the corresponding piston rods 61 to move, the piston rods 61 sequentially pass through the piston cylinders 6 and the supports 7 to enable the hemispherical plates 71 to extend out of the mounting pipe 5 until the two hemispherical plates 71 are spliced into a sphere, and the fire-fighting sand is extruded between the two hemispherical plates 71. In the process, the hemispherical plate 71 pushes the sand to be eliminated, the resistance is increased, the piston 62 slides towards the bottom of the water cavity 63, and the volume of the water cavity 63 is reduced. The water in the water chamber 63 is discharged out of the water discharge holes 72 through the second water delivery pipe 65, the second check valve 651, the water bladder 73 and the plurality of communication pipes 74, the water permeates into the desanding and sand-preventing material, fills the gaps between the desanding and sand-preventing materials, and the air is discharged out of the gaps between the desanding and sand-preventing materials. The fire-fighting sand in the sphere is formed into a sphere which is not easy to loosen under the combined action of the extrusion of the two semi-spherical plates 71 and the water permeation.
After the cylinder 51 drives the piston 62, the piston cylinder 6, the bracket 7, the hemispherical plate 71 and other components to retract into the installation tube 5, and when the sliding block 66 slides to the bottom of the sliding groove 52, the cylinder 51 drives the piston 62 to slide towards the top of the piston cylinder 6 through the piston rod 61, the volume of the water cavity 63 is increased, water in the water storage cavity 22 is sucked into the water cavity 63 through the first water pipe 64 and the first check valve 641, and the water amount in the water cavity 62 is timely supplemented.
In the process, the piston cylinder 6, the bracket 7, the hemispherical plate 71 and other components are enabled to jointly extrude the fire-fighting sand and discharge water out of the water drainage hole 72 through the air cylinder 51, so that the time for manufacturing the spherical fire-fighting sand is greatly shortened, and the fire extinguishing efficiency of the device is improved. The water bag 73 separates the fire-fighting sand on the hemispherical plate 71 from the water chamber 63, so that the water in the water bag 73 can be discharged to the water discharge hole 72 only through the communication pipe 74, and the fire-fighting sand is prevented from entering the water chamber 63.
Specifically, the tank body 2 is provided with a water inlet pipe 221, and one end of the water inlet pipe 221 is communicated with the top of the water storage cavity 22.
The external water source replenishes the reservoir chamber 22 with water through the inlet pipe 221 so that the reservoir chamber 22 maintains a sufficient amount of water.
Specifically, the driving mechanism 45 includes a second motor 452, the second motor 452 is disposed in the installation box 4, an output shaft of the second motor 452 is coaxially and fixedly provided with a rotating disc 451 and a positioning disc 453, respectively, a blocking rod 455 is fixedly provided on the rotating disc 451, an edge of the positioning disc 453 is provided with an avoiding gap 454, and the blocking rod 455 corresponds to the avoiding gap 454; an intermittent wheel 456 is coaxially and fixedly arranged on the driving shaft 41, the intermittent wheel 456 corresponds to the positioning disc 453, four limiting grooves 458 are uniformly formed in the intermittent wheel 456, a positioning groove 457 is formed between every two adjacent limiting grooves 458, the bottom of each positioning groove 457 is matched with the wheel surface of the positioning disc 453, when the second motor 452 drives the rotating disc 451 and the positioning disc 453 to synchronously rotate, at least one position exists, the blocking rod 455 enters the limiting grooves 458 and drives the intermittent wheel 456 to rotate, and the second motor 452 is electrically connected with an external power supply.
When the device works, the driving mechanism 45 and the sand discharging mechanism are started. The second motor 452 rotates the rotary plate 451 and the positioning plate 453 in synchronization. When the bar 455 is outside the stopper groove 458, the tread of the rotating disk 451 is located in the positioning groove 457. At this time, the driving shaft 41, the intermittent wheel 456, the supporting arm 43 and the arc plates 44 stop moving, one of the arc plates 44 rotates to between the two mounting pipes 5, and the arc plate 44 is located below the lower end of the delivery cylinder 3; while the arcuate plate 44 below the drive shaft 41 extends into the cavity 81. The delivery cylinder 3 discharges the fire fighting sand onto the arc plate 44, and the cylinder 51, the hemispherical plate 71, the drainage mechanism and the like rapidly squeeze the fire fighting sand on the arc plate 44 into a spherical shape.
When the blocking lever 455 rotates into the limiting groove 458, the blocking lever 455 drives the intermittent wheel 456 to rotate rapidly in a clockwise direction by 90 degrees. The arc-shaped plate 44 penetrates through the strip-shaped through hole 42 to throw the spherical fire-fighting sand forwards to cover a fire point, so that the fire is quickly extinguished. The arc-shaped plate 44 below the driving shaft 41 rotates clockwise by 90 degrees and rotates between the two installation pipes 5, and the arc-shaped plate 44 collects fire-fighting sand in the cavity 81 in the process, so that the efficiency of collecting fire-fighting sand by the arc-shaped plate 44 is improved.
Therefore, the driving mechanism 45 functions to: during the stop of the intermittent wheel 456, the loose fire-fighting sand is extruded into a sphere shape in time through the arc-shaped plate 44, the cylinder 51, the hemispherical plate 71, the drainage mechanism and other components; when the intermittent wheel 456 rotates, the spherical fire fighting sand is thrown out.
Specifically, the vehicle body 1 is provided with a water pump 9, a first water pipe 91 is connected to a water discharging end of the water pump 9, a second water pipe 94 is connected to a water inlet end of the water pump 9, the second water pipe 94 is communicated with the bottom of the water storage cavity 22, and one end of the first water pipe 91 is connected with a high-pressure nozzle 92.
When the fire can be extinguished by using water, the high-pressure nozzle 92 is aligned to the ignition point, the water pump 9 is started, and the water in the water storage cavity 22 is sprayed out of the high-pressure nozzle 92 by the water pump 9 through the second water pipe 94 and the first water pipe 91 in sequence, so that the function of extinguishing fire by using water is realized. The external water flows into the water storage cavity 22 through the water inlet pipe 221, and the water quantity in the water storage cavity 22 is ensured to be sufficient.
The structure can select water fire extinguishing or fire sand fire extinguishing according to the characteristics of the burning objects, so that the device is suitable for various fire types.
Specifically, a supporting frame 93 for placing the high-pressure nozzle 92 is fixedly arranged on the box body 2.
When water is not used for fire extinguishing, the high-pressure spray head 92 is placed on the support frame 93, so that the high-pressure spray head 93 is convenient to store. When using water to extinguish a fire, the high pressure nozzle 92 is removed from the support frame 93 and the high pressure nozzle 92 is directed to the fire. The water pump 9 is started, the water pump 9 sprays the water in the water storage cavity 22 out of the high-pressure spray head 92 through the second water pipe 94 and the first water pipe 91 in sequence, and the function of extinguishing fire with water is achieved.
Specifically, the cross section of the partition plate 21 is in a V shape, the front end of the partition plate 21 is arranged obliquely downwards, and the conveying cylinder 3 is fixedly arranged at the bottom of the V-shaped partition plate 21.
The fire-fighting sand on the left and right sides of the sand storage cavity 23 moves to the middle of the partition plate 21 and enters the sand discharge cavity 31 through the blanking port 32. This structure is convenient for hold the flow of the fire control sand in the husky chamber 23, improves the work efficiency of a transport section of thick bamboo 3.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (6)
1. A fire fighting unit, comprising:
the sand storage and conveying vehicle comprises a vehicle body (1), wherein a box body (2) is fixedly arranged on the vehicle body (1), a partition plate (21) is arranged in the box body (2), the inside of the box body (2) is divided into a water storage cavity (22) and a sand storage cavity (23) by the partition plate (21) from bottom to top, a feed hopper (24) is fixedly arranged at the top of the box body (2), and the feed hopper (24) is communicated with the sand storage cavity (23);
the mounting box (4) is fixedly arranged on the vehicle body (1) and located in front of the box body (2), a driving shaft (41) is rotatably arranged in the mounting box (4) along the width direction, a plurality of supporting arms (43) are uniformly and fixedly arranged on the driving shaft (41) along the circumferential direction, an arc-shaped plate (44) is fixedly arranged on the free end of each supporting arm (43), a strip-shaped through hole (42) is formed in the upper side surface of the mounting box (4), the strip-shaped through hole (42) corresponds to the arc-shaped plate (44), and a driving mechanism (45) capable of driving the driving shaft (41) to intermittently rotate and enabling the arc-shaped plate (44) to extend out of the strip-shaped through hole (42) at least at one position is arranged in the mounting box (4); two mounting pipes (5) are fixedly arranged on the inner wall of the mounting box (4) along the width direction, the mounting pipes (5) are horizontally arranged, a support (7) is arranged in each mounting pipe (5) in a sliding manner along the axial direction, a hemispherical plate (71) is fixedly arranged on each support (7), a plurality of drain holes (72) are formed in each hemispherical plate (71), a drainage mechanism capable of sucking water in a water storage cavity (22) and draining the water to the drain holes (72) is arranged on each support (7), two air cylinders (51) are arranged on the mounting box (4), the piston end of each air cylinder (51) is connected with the drainage mechanism, and a sand drainage mechanism capable of conveying fire fighting sand in the sand storage cavity (23) to the mounting box (4) is arranged on each partition plate (21);
the driving mechanism (45) drives the arc-shaped plate (44) at the lower side to rotate between the two mounting pipes (5), and the arc-shaped plate (44) at the rear side moves upwards to extend out of the strip-shaped through hole (42); at the moment, the fire fighting sand in the sand storage cavity (23) is conveyed to the arc-shaped plate (44) by the sand discharging mechanism, the two cylinders (51) respectively drive the bracket (7) to extend out of the mounting pipe (5), so that the two hemispherical plates (71) are spliced into a sphere, and the water in the sphere is discharged out of the water discharging hole (72) by the water discharging mechanism; when the cylinder (51) drives the hemispherical plate (71) to retract into the mounting pipe (5), the water drainage mechanism sucks water in the water storage cavity (22);
the sand discharging mechanism comprises a conveying cylinder (3), the conveying cylinder (3) is fixedly arranged on a partition plate (21), the lower end of the conveying cylinder (3) penetrates through a box body (2) and extends into an installation box (4), the upper end of the conveying cylinder (3) extends out of the box body (2), a sand discharging cavity (31) is arranged in the conveying cylinder (3), the inner wall of the sand discharging cavity (31) penetrates through the lower end of the conveying cylinder (3), a blanking port (32) communicated with the sand discharging cavity (31) is formed in the conveying cylinder (3), a rotating shaft (33) is rotatably arranged on the conveying cylinder (3), the rotating shaft (33) and the conveying cylinder (3) are coaxially arranged, a spiral blade (34) is fixedly arranged on the rotating shaft (33), a first motor (35) is arranged at the upper end of the conveying cylinder (3), and the first motor (35) is in transmission connection with the rotating shaft (33);
the water draining mechanism comprises a piston cylinder (6), the axial direction of the piston cylinder (6) is consistent with the axial direction of the mounting pipe (5), the bottom of the piston cylinder (6) is fixedly arranged on the support (7), a piston rod (61) is arranged on the piston cylinder (6) in a sliding mode in the axial direction, one end of the piston rod (61) extends into the piston cylinder (6) and the end of the piston rod is fixedly connected with a piston (62), and the other end of the piston rod (61) extends out of the piston cylinder (6) and is connected with the piston end of the air cylinder (51); the piston (62) is arranged in the piston cylinder (6) in a sliding mode, a water cavity (63) is formed between the piston (62) and the bottom of the piston cylinder (6), a first water delivery pipe (64) is connected to the bottom of the piston cylinder (6), the other end of the first water delivery pipe (64) penetrates through the installation box (4) to be communicated with the bottom of the water storage cavity (22), a first one-way valve (641) is arranged on the first water delivery pipe (64), a water bag (73) is arranged between the piston cylinder (6) and the hemispherical plate (71), the water cavity (63) is communicated with the water bag (73) through a second water delivery pipe (65), a second one-way valve (651) is arranged on the second water delivery pipe (65), and a communication pipe (74) is connected between the water bag (73) and each drain hole (72); the inner wall of the mounting pipe (5) is provided with a sliding groove (52) along the length direction, the support (7) is fixedly provided with two sliding blocks (66), each sliding block (66) corresponds to one sliding groove (52), and the sliding blocks (66) are arranged in the corresponding sliding grooves (52) in a sliding manner; in the process of splicing the two hemispherical plates (71) into a sphere, the cylinder (51) drives the piston (62) to move towards the bottom of the water cavity (63) so as to enable water to be discharged out of the water discharge hole (72); when the hemispherical plate (71) retracts into the mounting pipe (5), and the sliding block (66) slides to the bottom of the sliding groove (52), the piston (62) moves towards the top of the piston cylinder (6) to suck water in the water storage cavity (22) into the water cavity (63);
the driving mechanism (45) comprises a second motor (452), the second motor (452) is arranged in the installation box (4), an output shaft of the second motor (452) is fixedly provided with a rotating disc (451) and a positioning disc (453) coaxially, a blocking rod (455) is fixedly arranged on the rotating disc (451), an avoiding gap (454) is formed in the edge of the positioning disc (453), and the blocking rod (455) corresponds to the avoiding gap (454); an intermittent wheel (456) is coaxially and fixedly arranged on the driving shaft (41), the intermittent wheel (456) corresponds to the positioning disc (453), four limiting grooves (458) are uniformly formed in the intermittent wheel (456), a positioning groove (457) is formed between every two adjacent limiting grooves (458), the bottom of the positioning groove (457) is matched with the wheel surface of the positioning disc (453), and when the second motor (452) drives the rotating disc (451) and the positioning disc (453) to synchronously rotate, at least one position exists, so that the blocking rod (455) enters the limiting grooves (458) and drives the intermittent wheel (456) to rotate;
fire-fighting sand enters the sand storage cavity through the feed hopper, so that sufficient fire-fighting sand is kept in the sand storage cavity, when the fire-fighting sand cleaning device works, the driving mechanism and the sand discharging mechanism are started, the driving mechanism drives the driving shaft to rotate intermittently, one of the arc-shaped plates rotates between the two mounting pipes, at the moment, the arc-shaped plates stop moving and are positioned below the discharge end of the sand discharging mechanism, the sand discharging mechanism discharges the fire-fighting sand in the sand storage cavity onto the arc-shaped plates, then, the two air cylinders respectively drive the corresponding hemispherical plates to extend out of the mounting pipes, the fire-fighting sand on the arc-shaped plates is extruded between the two hemispherical plates, when the two hemispherical plates are combined into a sphere, the fire-fighting sand is extruded into the sphere, meanwhile, the water discharging mechanism discharges the water in the water discharging hole, so that the water permeates into the fire-fighting sand, fills the gap between the fire-fighting sand, and air is discharged out of the gap between the fire-fighting sand in the sphere under the combined action of the extrusion and the water permeation of the two hemispherical plates, forming a sphere which is not easy to loosen, then, driving the corresponding hemispherical plates to retract into the mounting pipe by the two cylinders, sucking water in the water storage cavity into the drainage mechanism, driving the driving shaft to rotate clockwise by the driving mechanism again, and ejecting the spherical fire-fighting sand after the arc-shaped plates penetrate through the strip-shaped through holes;
when the positioning device works, the second motor drives the rotating disc and the positioning disc to synchronously rotate; when the stop lever is arranged outside the limit groove, the wheel surface of the rotating disc is positioned in the positioning groove; at the moment, the driving shaft, the intermittent wheel, the supporting arm and the arc-shaped plates stop moving, wherein one arc-shaped plate rotates to a position between the two mounting pipes and is positioned below the lower end of the conveying cylinder; the arc-shaped plate below the driving shaft extends into the cavity, the conveying cylinder discharges fire-fighting sand onto the arc-shaped plate, and the air cylinder, the hemispherical plate and the drainage mechanism part rapidly extrude fire-fighting sand on the arc-shaped plate into a sphere;
when the stop lever rotates into the limiting groove, the stop lever drives the intermittent wheel to rotate rapidly, the rotating direction is clockwise, and the rotating angle is 90 degrees; the arc-shaped plate penetrates through the strip-shaped through hole to throw the spherical fire-fighting sand forwards, cover a fire point and quickly extinguish fire; the arc-shaped plate below the driving shaft rotates 90 degrees clockwise and rotates between the two mounting pipes, and the arc-shaped plate collects fire fighting sand in the cavity in the process, so that the efficiency of collecting fire fighting sand by the arc-shaped plate is improved;
during the stop motion of the intermittent wheel, the loose fire-fighting sand is extruded into a sphere shape in time through the arc-shaped plate, the cylinder, the hemispherical plate and the drainage mechanism; when the intermittent wheel rotates, the spherical fire fighting sand is thrown out.
2. A fire fighting unit as defined in claim 1, wherein the bottom of the installation box (4) is fixedly provided with a collecting plate (8), the cross section of the collecting plate (8) is arc-shaped, the upper end of the collecting plate (8) is located below the lower end of the conveying cylinder (3), the collecting plate (8) corresponds to the arc-shaped plate (44), the collecting plate (8) has a cavity (81), and when the driving mechanism (45) drives the arc-shaped plate (44) to rotate, the arc-shaped plate (44) extends into the cavity (81).
3. A fire fighting unit as defined in claim 2, characterized in that the tank (2) is provided with a water inlet pipe (221), one end of the water inlet pipe (221) being connected to the top of the water storage chamber (22).
4. A fire fighting unit as defined in claim 3, characterized in that the vehicle body (1) is provided with a water pump (9), the water discharge end of the water pump (9) is connected with a first water pipe (91), the water inlet end of the water pump (9) is connected with a second water pipe (94), the second water pipe (94) is connected with the bottom of the water storage chamber (22), and one end of the first water pipe (91) is connected with a high pressure nozzle (92).
5. A fire fighting unit as defined in claim 4, characterized in that the tank (2) is fixedly provided with a support (93) for placing a high pressure nozzle (92).
6. A fire fighting unit as defined in claim 1, characterized in that the partition (21) is V-shaped in cross-section and the delivery cartridge (3) is secured to the bottom of the V-shaped partition (21).
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| CN202011068851.1A CN112274813B (en) | 2020-09-29 | 2020-09-29 | Fire-fighting device |
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| CN202011068851.1A CN112274813B (en) | 2020-09-29 | 2020-09-29 | Fire-fighting device |
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| CN112274813B true CN112274813B (en) | 2021-10-15 |
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| CN117065250B (en) * | 2023-10-16 | 2023-12-19 | 中国石化销售股份有限公司福建石油分公司 | Oil depot fire early warning fire control equipment based on thing networking |
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