CN110721421B - Remote plug-in sponge flame retardant device - Google Patents
Remote plug-in sponge flame retardant device Download PDFInfo
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- CN110721421B CN110721421B CN201911178354.4A CN201911178354A CN110721421B CN 110721421 B CN110721421 B CN 110721421B CN 201911178354 A CN201911178354 A CN 201911178354A CN 110721421 B CN110721421 B CN 110721421B
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- wheel
- metal sheet
- spray
- pipe
- tank body
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 19
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 109
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 6
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 75
- 239000002184 metal Substances 0.000 claims description 75
- 238000004804 winding Methods 0.000 claims description 42
- 230000001360 synchronised effect Effects 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
-
- 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
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- 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
-
- 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
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
Landscapes
- 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 provides a remote plug-in sponge flame retardant device, and belongs to the technical field of sponge production equipment. The flame retardant device comprises a tank body, a spray pipe connected with the tank body, a storage barrel fixed on the tank body, a plurality of spray heads connected with the tail end of the spray pipe, a mounting rack for mounting the spray heads, a telescopic mechanism connected between the storage barrel and the mounting rack, and an adjusting mechanism allowing the two ends of the spray pipe to be variable in distance under the condition of keeping communication, wherein the spray heads are tubular with a spike part at the end part, the spray heads are mutually parallel, the spray heads are connected with the spray pipe after being connected in parallel, a pressure limiting valve is arranged between the spray pipe and the tank body, and liquid carbon dioxide is filled in the tank body. The invention has the advantages of safety, high efficiency and the like.
Description
Technical Field
The invention belongs to the technical field of sponge production equipment, and relates to a long-distance plug-in sponge flame retardant device.
Background
The sponge belongs to inflammables, ventilation is unsmooth and spontaneous combustion is easy to occur in the production process, combustion from inside to outside is easy to occur in the foaming forming process, fire extinguishing is difficult after sponge combustion, on the one hand, the permeability of the sponge is poor, a gas or liquid flame retardant medium is difficult to enter in a short time, high-temperature driving is carried out, the difficulty of the flame retardant medium entering the sponge is higher, on the other hand, high-temperature substances such as splashing and flowing are easy to cause in the sponge combustion process, damage is easy to fire-extinguishing operators, the existing fire extinguishers are direct spraying fire extinguishers, the operation is difficult to achieve the effect of efficient fire extinguishing on the surface of the sponge, the spraying distance is far, the spraying end is in a dispersed state, the pressure is relatively small, and fire cannot be extinguished in time.
Disclosure of Invention
The invention aims to solve the problems of the prior art and provides a long-distance plug-in sponge flame retardant device, and the technical problems to be solved by the invention are how to improve the fire extinguishing safety and the sponge flame retardant efficiency.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a long-distance plug-in type sponge fire-retardant device, its characterized in that, this fire-retardant device includes the jar body, connects the spray tube of the jar body, fixes a plurality of shower nozzles on the jar body, connects the terminal mounting bracket of spray tube, connects telescopic machanism between a storage tube and mounting bracket and allows the adjustable adjustment mechanism of distance under the circumstances that keeps the intercommunication between the both ends of spray tube, the shower nozzle is the tubulose that the tip has spike portion, and each shower nozzle is parallel to each other, links to each other with the spray tube after each shower nozzle connects in parallel, be provided with a pressure limiting valve between spray tube and the jar body, the internal packing of jar has liquid carbon dioxide.
The switch of the high-pressure blowout spray pipe of the carbon dioxide gas in the tank body and the control tank body is of a conventional structure in the existing fire extinguisher, in order to realize that the spray nozzle is pushed to a specified position for fire extinguishing in a long distance, a telescopic mechanism is arranged between the tank body and the spray nozzle, the mounting plate carrying the spray nozzle is pushed to a proper position, the length of the spray pipe can be changed through an adjusting mechanism, under the condition, the mounting plate can be sent to a corresponding position, and the spray nozzle with the spike part is inserted into the sponge under the internal combustion state, so that the fire extinguishing under the internal combustion state of the sponge becomes light, safe and efficient.
In the above-mentioned remote plug-in sponge fire-retardant device, telescopic machanism includes two at least chains of only a plane activity degree of freedom, with the roll-up wheel of chain one-to-one and can order about the synchronous syntropy rotatory synchronization structure of each roll-up wheel, the activity plane of each chain is intercrossed, the one end of chain with be fixed at the roll-up wheel that corresponds, the other end of chain is connected the mounting bracket.
Because the chain is a chain which can be bent in a single plane, namely, each rotating shaft of the chain is parallel to each other, the chain links are connected end to end, and the chain has a flexible linking structure, and under the condition that the end parts of a plurality of chains are limited and the planes of degrees of freedom are not in the same plane, the whole structure consisting of the plurality of chains can realize the effect of straight pushing or pulling back the mounting plate when one end of the whole structure is coiled, and the other end of the whole structure is straight and stretches out or stretches back.
Further, the number of the chains is three, and the included angle between the movable planes of the adjacent chains is 60 degrees.
Further, the synchronous structure comprises a driving wheel coaxial with the winding wheel, two pinch wheels, a middle wheel corresponding to the driving wheel one to one and a synchronous wheel coaxial with the middle wheel, wherein the pinch wheels, the synchronous wheels, the middle wheel and the driving wheel are bevel gears, the middle wheel and the synchronous wheel are alternately arranged, the middle wheel is meshed with the adjacent synchronous wheels, the two pinch wheels are symmetrically distributed, the pinch wheels, the middle wheel, the driving wheel and the synchronous wheel are all rotationally connected to the storage barrel, the driving wheel is located between the two pinch wheels, and each driving wheel is meshed with the two pinch wheels simultaneously.
When the chains are wound on the winding wheels, all chain links of the chains are in the same plane, so that the loosening degree of all the chains is the same in the winding process under the conditions that the sizes of all the chains are the same and the sizes of the winding wheels are the same, and in order to ensure the synchronization of all the chains, the winding wheels are coaxially provided with driving wheels and synchronizing wheels, the rotation direction of all the synchronizing wheels is the same through an intermediate wheel, and the rotation speed of the winding wheels is the same through a pressing wheel.
Further, the axis of two pinch rollers department fixedly connected with sleeve pipe respectively, the spray tube rotates to be connected in the sleeve pipe, the spray tube wears to establish two sleeve pipes simultaneously after link to each other with jar body and shower nozzle respectively, is connected with first clockwork spring between at least one sleeve pipe and the receiving cylinder.
The first spring can enable the chain to be automatically wound after being pulled out.
The telescopic mechanism may also be a structure capable of linearly telescopic, such as an air cylinder, a linear motor, etc., and will not be described here.
Further, the spray pipe includes wearing to establish the hard fixed section in the sleeve pipe and connect the soft roll-up section of fixed section and shower nozzle, adjustment mechanism includes a winding pipe wheel, it is epaxial to have a winding pipe groove to wind the pipe, it is equipped with a triple joint to wind the middle part of pipe groove to insert, the spray pipe is connected to the one end of triple joint, the other both ends of triple joint are in on same straight line, and two joints that are in same straight line rotate respectively and connect in winding pipe wheel's shaft hole, rotate respectively around the both ends in pipe wheel's shaft hole and connect a stay tube, two stay tubes are linked together with two joints that are in same straight line on the triple joint respectively, the stay tube links to each other fixedly with the mounting bracket, the stay tube links to each other through a second clockwork between the shaft hole wall of winding pipe wheel respectively.
In order to ensure that a support tube connected with the tail end of a spray tube is in a static state in the rotating process of a tube winding wheel, a three-joint is arranged at the tail end of a winding section, two joints on the same straight line of the three-joint are rotationally connected in the support tube, the support tube is rotationally connected in a shaft hole of the tube winding wheel, the support tube is communicated with each spray head through a hose, high-pressure gas in a tank body is sprayed out and then is acted by a pressure limiting valve, the gas cannot be sprayed out at the end of the spray head until the pressure reaches a limit value of the pressure limiting valve, the pressure in the spray tube is high before the pressure limiting valve, the axial direction of the spray tube is subjected to a high driving force, and the driving force drives the spray tube to be straight, so that the tube winding wheel overcomes the restoring force of a second spring to release the spray tube, and meanwhile, a chain also stretches out, the aim of forming a distance difference between a mounting plate and the spray head and the tank body is realized, the mounting plate is relatively straight to stretch out or retract, and is convenient to operate and control.
As another technical scheme, the adjusting mechanism of the spray pipe can be a plurality of short pipes sleeved in a stepped mode, and the connected short pipes are sealed and can slide mutually.
Further, the mounting frame comprises a fixed plate and two movable plates which are respectively connected to two sides of the fixed plate in a rotating way, the spray head is arranged on the movable plate, the chain is connected to the fixed plate, the storage barrel is provided with a rectangular storage cavity, the movable plate is hinged with the fixed plate through a pin shaft, and a torsion spring which drives the movable plate and the fixed plate to be positioned on the same plane is wound on the pin shaft; the spray heads on the two movable plates are staggered.
Except the tank body, other structures are integrated and can be repeatedly used, and one end of the spray pipe connected with the tank body is detachably connected with the tank body.
The movable plate and the fixed plate are folded to form a U shape, and can be stored in the storage barrel, so that after the movable plate is unfolded, the distribution area of the spray heads is large, the fire extinguishing range is facilitated, the air injection end is directly opposite to the ignition area of the sponge, the air injection pressure is large, and the fire extinguishing efficiency is high.
The pipe winding wheel is fixedly connected with the fixed plate through a supporting pipe, a hose is connected to the supporting pipe, and the hose is connected with the spray head after being connected with a pressure limiting valve arranged on the movable plate.
Further, a rectangular air outlet hole is formed in the spray head, a first metal sheet and a second metal sheet are arranged at the tail end of the air outlet hole, the section of the whole air outlet hole is intercepted by the first metal sheet and the second metal sheet, an avoidance hole is formed in the wall of the air outlet hole, which is close to the middle of the first metal sheet, a plurality of air guide grooves are formed in one side surface, which is close to the two ends of the first water inlet sheet and the second metal sheet, of the air guide grooves, the aperture of each air guide groove is gradually reduced from the end to the middle to disappear, the middle of the first metal sheet and the middle of the second metal sheet are tightly attached to each other to intercept the air outlet hole, and the thermal expansion coefficient of the first metal sheet is larger than that of the second metal sheet; the middle part of the first metal sheet can deform and bend towards the avoidance hole to enable the air outlet hole to be unobstructed.
Because the shower nozzle is numerous, every shower nozzle all spouts gas, has the weakening to the jet pressure of single shower nozzle, and the inside burning of sponge is not very easy accurate finding combustion zone in appearance, in addition the existence of dense smoke, sets up bimetallic strip structure in the shower nozzle for accurate fire extinguishing, can rotationally switch on the terminal of shower nozzle under different temperature effects.
Specifically, because the air guide grooves near one end of the air source and the air guide grooves near the air outlet end are symmetrically distributed, the corresponding air guide grooves on the first metal sheet and the second metal sheet form a conical air guide hole, the hole diameters of the positions near the middle parts of the first metal sheet and the second metal sheet are zero, when the first metal sheet does not deform, the first metal sheet and the second metal sheet stop the air outlet holes, the higher the temperature to which the first metal sheet and the second metal sheet are subjected is, the larger the deformation of the first metal sheet is, so that the ventilation cross section is increased, otherwise, the ventilation cross section is smaller, and when in fire extinguishment, if a spray nozzle is inserted into a non-ignition area, no gas is sprayed, and the spray pressure of other spray nozzles in the ignition area is larger.
Further, the first metal sheet is zinc alloy, and the second metal sheet is copper.
Further, the inner side of the first metal sheet and the inner side of the second metal sheet are both provided with rubber sheets, and the air guide groove is arranged on the rubber sheets.
Further, the avoidance opening is provided with an adjusting spring, one end of the adjusting spring is propped against the outer side face of the metal sheet I, the other end of the adjusting spring is propped against a pressing plate, the pressing plate is connected with an adjusting bolt, a through hole is formed in the spray head, the adjusting bolt penetrates through the through hole, and a locking nut is connected to the adjusting bolt in a threaded mode.
The pressure plate can adjust the resistance of the deformation of the first metal sheet through the locking nut, and the end parts of the first metal sheet and the second metal sheet are fixed on the inner wall of the air outlet hole on the spray head.
The fire extinguisher has the following advantages:
in fact, an external force can be set to push the mounting plate to move on the straight line, such as a cylinder and the like, however, the pressure of the air in the tank body is used for being sprayed out, the pressure limiting valve is matched, the air pressure driving chain is used for extending and extending the length, the air pressure driving pipe winding wheel is used for rotating, the mounting plate carrying the spray head is enabled to extend, the extending length is determined by the pressure, and the first spring and the second spring can retract the mounting plate when the air pressure is reduced or disappears.
The structure with the inclination distribution of the chains has the advantages of large expansion range, small occupied space, small size and the like.
In order to save air pressure and fire extinguishing medium, the end part of the spray head is provided with a structure with a temperature control air injection section, and the structure is simple and reliable and is not easy to damage at high temperature.
The whole fire extinguisher has simple structure, does not need any external power, does not need an external power supply, an air source and the like, is convenient to carry, can be repeatedly used except the tank body, and can be repeatedly used under the condition that the medium in the tank body is inflatable.
Drawings
Fig. 1 is a schematic diagram of the structure of the sponge flame retardant device after the tank body is removed.
Fig. 2 is a sectional view in the direction A-A in fig. 1.
Fig. 3 is a schematic view of the structure of the winding wheel.
Fig. 4 is a schematic diagram of the distribution state of three chains.
Fig. 5 is a schematic plan view of the mounting bracket.
Fig. 6 is a cross-sectional view of the spray head.
Fig. 7 is a sectional view in the direction B-B in fig. 6.
Fig. 8 is a schematic structural view of the telescopic mechanism.
In the figure, 1, a spray pipe; 11. a spray head; 12. a pressure limiting valve; 13. a fixed section; 14. a winding section; 2. a storage barrel; 3. a mounting frame; 31. a fixing plate; 32. a movable plate; 4. a chain; 51. a winding wheel; 52. a driving wheel; 53. a synchronizing wheel; 54. a pinch roller; 55. an intermediate wheel; 56. a sleeve; 57. a first spring; 61. a tube winding wheel; 62. a pipe winding groove; 63. a three-joint; 64. a support tube; 65. a second spring; 71. an air outlet hole; 72. a first metal sheet; 73. a second metal sheet; 74. an avoidance port; 75. an air guide groove; 76. and (5) adjusting the spring.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the flame retardant device comprises a tank body, a spray pipe 1 connected with the tank body, a storage barrel 2 fixed on the tank body, a plurality of spray heads 11 connected with the tail end of the spray pipe 1, a mounting frame 3 for mounting the spray heads 11, a telescopic mechanism connected between the storage barrel 2 and the mounting frame 3, and an adjusting mechanism allowing the two ends of the spray pipe 1 to be variable in distance under the condition of keeping communication, wherein the spray heads 11 are in a tubular shape with a spike part at the end part, the spray heads 11 are mutually parallel, the spray heads 11 are connected with the spray pipe 1 after being connected in parallel, a pressure limiting valve 12 is arranged between the spray pipe 1 and the tank body, and liquid carbon dioxide is filled in the tank body.
The switch of the tank body and the high-pressure carbon dioxide gas spraying spray pipe 1 in the control tank body is of a conventional structure in the existing fire extinguisher, in order to realize that the spray nozzle 11 is pushed to a specified position for fire extinguishing at a long distance, a telescopic mechanism is arranged between the tank body and the spray nozzle 11, a mounting plate carrying the spray nozzle 11 is pushed to a proper position, the length of the spray pipe 1 can be changed through an adjusting mechanism, under the condition, the mounting plate can be sent to a corresponding position, and the spray nozzle 11 with a spike part is inserted into the sponge under an internal combustion state, so that fire extinguishing under the sponge internal combustion state becomes light, safe and efficient.
As shown in fig. 1, 2, 4 and 8, the telescopic mechanism comprises at least two chains 4 with only one plane movement degree, rolling wheels 51 corresponding to the chains 4 one by one and a synchronous structure capable of driving the rolling wheels 51 to synchronously rotate in the same direction, the movement planes of the chains 4 are mutually intersected, one end of each chain 4 is fixed with the corresponding rolling wheel 51, and the other end of each chain 4 is connected with the installation frame 3.
Because the chains 4 are bendable chains 4 in a single plane, namely, all the rotating shafts of the chains 4 are parallel to each other, and the chain links are connected end to end, the chains 4 are in a flexible linking structure, and when the ends of the chains are limited and the planes of freedom are not in the same plane, the whole structure formed by the chains 4 is a straight structure, and when one end of the chain is rolled, the other end of the chain is stretched out or retracted, so that the effect of pushing or pulling the mounting plate linearly can be realized.
The number of the chains 4 is three, and the included angle between the movable planes of the adjacent chains 4 is 60 degrees.
The synchronous structure comprises a driving wheel 52, two pinch wheels 54, an intermediate wheel 55 and a synchronous wheel 53, wherein the driving wheel 52 is coaxial with the winding wheel 51, the intermediate wheel 55 corresponds to the driving wheel 52 one by one, the synchronous wheel 53 is coaxial with the intermediate wheel 55, the pinch wheels 54, the synchronous wheel 53, the intermediate wheel 55 and the driving wheel 52 are bevel gears, the intermediate wheel 55 and the synchronous wheel 53 are arranged alternately, the intermediate wheel 55 is meshed with the adjacent synchronous wheel 53, the two pinch wheels 54 are symmetrically distributed, the pinch wheels 54, the intermediate wheel 55, the driving wheel 52 and the synchronous wheel 53 are all rotationally connected to the storage barrel 2, the driving wheel 52 is positioned between the two pinch wheels 54, and each driving wheel 52 is meshed with the two pinch wheels 54 simultaneously.
When the chains 4 are wound on the winding wheel 51, the chain links of the chains 4 are in the same plane, so that when the sizes of the chains 4 are the same and the sizes of the winding wheels 51 are the same, the loosening degree of the chains 4 is the same in the winding process, in order to ensure the synchronization of the chains 4, the winding wheel 51 is coaxially provided with a driving wheel 52 and a synchronizing wheel 53, the rotation direction of the synchronizing wheels 53 is the same through an intermediate wheel 55, and the rotation speed of the winding wheel 51 is the same through a pressing wheel 54.
The axes of the two pinch rollers 54 are fixedly connected with a sleeve 56 respectively, the spray pipe 1 is rotatably connected in the sleeve 56, the spray pipe 1 is respectively connected with the tank body and the spray head 11 after being simultaneously penetrated by the two sleeves 56, and a first spring 57 is connected between at least one sleeve 56 and the storage barrel 2.
The presence of the first strip 57 enables automatic winding up of the chain 4 after it has been pulled out.
The telescopic mechanism may also be a structure capable of linearly telescopic, such as an air cylinder, a linear motor, etc., and will not be described here.
As shown in fig. 1 and 3, the spray pipe 1 comprises a hard fixing section 13 penetrating through the sleeve 56 and a soft winding section 14 connecting the fixing section 13 and the spray head 11, the adjusting mechanism comprises a pipe winding wheel 61, a pipe winding groove 62 is formed in the pipe winding wheel 61, a three-joint 63 is inserted in the middle of the pipe winding groove 62, one end of the three-joint 63 is connected with the spray pipe 1, the other two ends of the three-joint 63 are in the same straight line, the two joints in the same straight line are respectively and rotatably connected in a shaft hole of the pipe winding wheel 61, two ends of the shaft hole of the pipe winding wheel 61 are respectively and rotatably connected with a supporting pipe 64, the two supporting pipes 64 are respectively communicated with the two joints in the same straight line on the three-joint 63, the supporting pipe 64 is fixedly connected with the mounting frame 3, and the supporting pipe 64 is respectively connected with the wall of the shaft hole of the pipe winding wheel 61 through a second spring 65.
In order to ensure that the support pipe 64 connected with the tail end of the spray pipe 1 is in a static state in the rotating process of the pipe winding wheel 61, the tail end of the winding section 14 is provided with a three-joint 63, two joints on the same straight line of the three-joint 63 are rotatably connected in the support pipe 64, the support pipe 64 is rotatably connected in a shaft hole of the pipe winding wheel 61, the support pipe 64 is communicated with each spray nozzle 11 through a hose, high-pressure gas in the tank body is sprayed out and then is acted by the pressure limiting valve 12, the gas cannot be sprayed out at the end of the spray nozzle 11 until the pressure reaches the limit value of the pressure limiting valve 12, before the pressure in the spray pipe 1 is larger, the axial direction of the spray pipe 1 is driven by a larger driving force, the driving force drives the spray pipe 1 to be straight, so that the pipe winding wheel 61 releases the spray pipe 1 against the restoring force of the second spring 65, meanwhile, the chain 4 also stretches out, the aim of forming a distance difference between the mounting plate and the spray nozzle 11 connected to the tank body is realized, the long-distance fire extinguishing is realized, and the mounting plate is stretched out or retracted flatly, so that the operation and control are convenient.
As another technical scheme, the adjusting mechanism of the spray pipe 1 can be a plurality of short pipes sleeved in a stepped mode, and the connected short pipes are sealed and can slide mutually.
As shown in fig. 1 and 5, the mounting frame 3 comprises a fixed plate 31 and two movable plates 32 respectively rotatably connected to two sides of the fixed plate 31, the spray head 11 is mounted on the movable plate 32, the chain 4 is connected to the fixed plate 31, the storage barrel 2 is provided with a rectangular storage cavity, the movable plate 32 is hinged with the fixed plate 31 through a pin shaft, and a torsion spring for driving the movable plate 32 and the fixed plate 31 to be positioned on the same plane is wound on the pin shaft; the nozzles 11 on the two movable plates 32 are offset from each other.
Except the tank body, other structures are integrated and can be repeatedly used, and one end of the spray pipe 1 connected with the tank body is detachably connected with the tank body.
The movable plate 32 and the fixed plate 31 are folded to be U-shaped and can be stored in the storage barrel 2, so that after the movable plate 32 is unfolded, the distribution area of the spray head 11 is larger, the fire extinguishing range is facilitated, and the air injection end directly faces the ignition area of the sponge, the air injection pressure is larger, and the fire extinguishing efficiency is high.
The winding wheel 61 is fixedly connected with the fixed plate 31 through a supporting pipe 64, a hose is connected to the supporting pipe 64, and the hose is connected with the nozzle 11 after being connected with a pressure limiting valve 12 arranged on the movable plate 32.
As shown in fig. 6 and 7, a rectangular air outlet hole 71 is formed in the spray head 11, a first metal sheet 72 and a second metal sheet 73 are arranged near the tail end of the air outlet hole 71, the first metal sheet 72 and the second metal sheet 73 intercept the whole cross section of the air outlet hole 71, an avoidance hole 74 is formed in the wall of the air outlet hole 71 near the middle of the first metal sheet 72, a plurality of air guide grooves 75 are formed in one side surface, where the two end parts of the first water inlet sheet and the second metal sheet 73 are mutually abutted, the aperture of the air guide grooves 75 is gradually reduced from the end parts to the middle part to disappear, the middle parts of the first metal sheet 72 and the second metal sheet 73 are mutually abutted to intercept the air outlet hole 71, and the thermal expansion coefficient of the first metal sheet 72 is larger than that of the second metal sheet 73; the middle part of the first metal sheet 72 can deform and bend towards the avoidance hole so that the air outlet hole 71 is unobstructed.
Because the shower nozzles 11 are numerous, every shower nozzle 11 all spouts gas, weakens the jet pressure of single shower nozzle 11, and the inside burning of sponge is not very easy accurate finding combustion zone in appearance, in addition the existence of dense smoke, in order to accurate fire extinguishing, sets up bimetallic strip structure in the shower nozzle 11, can rotationally switch on the terminal of shower nozzle 11 under different temperature effects.
Specifically, because the air guide grooves 75 near one end of the air source and the air guide grooves 75 near the air outlet end are symmetrically distributed, the corresponding air guide grooves 75 on the first metal sheet 72 and the second metal sheet 73 form a conical air guide hole, the hole diameters of the positions near the middle parts of the first metal sheet 72 and the second metal sheet 73 are zero, when the first metal sheet 72 does not deform, the first metal sheet 72 and the second metal sheet 73 stop the air outlet hole 71, the higher the temperature to which the first metal sheet 72 and the second metal sheet 73 are subjected, the larger the deformation of the first metal sheet 72 is, so that the ventilation cross section is increased, otherwise, the ventilation cross section is smaller, and when the spray head 11 is inserted into a non-ignition area, no air is sprayed out, so that the air spraying pressure of other spray heads 11 positioned in the ignition area is larger.
The first metal sheet 72 is zinc alloy and the second metal sheet 73 is copper.
The inner side of the first metal sheet 72 and the inner side of the second metal sheet 73 are both provided with rubber sheets, and the air guide groove 75 is formed in the rubber sheets.
The avoiding opening 74 is provided with an adjusting spring 76, one end of the adjusting spring 76 is propped against the outer side face of the metal sheet 72, the other end of the adjusting spring 76 is propped against a pressing plate, the pressing plate is connected with an adjusting bolt, a through hole is formed in the spray head 11, the adjusting bolt is arranged in the through hole in a penetrating mode, and a locking nut is connected to the adjusting bolt in a threaded mode.
The pressure plate can adjust the resistance of deformation of the first metal sheet 72 through the lock nut, and the ends of the first metal sheet 72 and the second metal sheet 73 are fixed on the inner wall of the air outlet hole 71 on the spray head 11.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The long-distance plug-in sponge flame retardant device is characterized by comprising a tank body, a spray pipe (1) connected with the tank body, a storage barrel (2) fixed on the tank body, a plurality of spray heads (11) connected with the tail end of the spray pipe (1), a mounting rack (3) for mounting the spray heads (11), a telescopic mechanism connected between the storage barrel (2) and the mounting rack (3) and an adjusting mechanism allowing the two ends of the spray pipe (1) to be variable under the condition of keeping communication, wherein the spray heads (11) are tubular, the end parts of the spray heads are provided with spike parts, the spray heads (11) are parallel to each other, the spray heads (11) are connected with the spray pipe (1) after being connected in parallel, a pressure limiting valve (12) is arranged between the spray pipe (1) and the tank body, and liquid carbon dioxide is filled in the tank;
the telescopic mechanism comprises at least two chains (4) with only one plane freedom degree, rolling wheels (51) corresponding to the chains (4) one by one and a synchronous structure capable of driving the rolling wheels (51) to synchronously rotate in the same direction, the movable planes of the chains (4) are mutually intersected, one end of each chain (4) is fixed with the corresponding rolling wheel (51), and the other end of each chain (4) is connected with the mounting frame (3);
the number of the chains (4) is three, and the included angle between the movable planes of the adjacent chains (4) is 60 degrees;
the mounting frame (3) comprises a fixed plate (31) and two movable plates (32) which are respectively connected to two sides of the fixed plate (31) in a rotating mode, the spray head (11) is arranged on the movable plate (32), the chain (4) is connected to the fixed plate (31), the storage barrel (2) is provided with a rectangular storage cavity, the movable plate (32) is hinged to the fixed plate (31) through a pin shaft, and a torsion spring which drives the movable plate (32) and the fixed plate (31) to be located on the same plane is wound on the pin shaft; the spray heads (11) on the two movable plates (32) are staggered;
the synchronous structure comprises a driving wheel (52) coaxial with a winding wheel (51), two pressing wheels (54) and a middle wheel (55) corresponding to the driving wheel (52) one by one, and a synchronous wheel (53) coaxial with the middle wheel (55), wherein the pressing wheels (54), the synchronous wheel (53), the middle wheel (55) and the driving wheel (52) are bevel gears, the middle wheel (55) and the synchronous wheel (53) are alternately arranged, the middle wheel (55) is meshed with the adjacent synchronous wheel (53), the two pressing wheels (54) are symmetrically distributed, the pressing wheels (54), the middle wheel (55), the driving wheel (52) and the synchronous wheel (53) are all rotationally connected to the storage barrel (2), the driving wheel (52) is positioned between the two pressing wheels (54), and each driving wheel (52) is meshed with the two pressing wheels (54) simultaneously;
the utility model provides a spray tube (1) is including wearing to establish hard fixed section (13) in sleeve pipe (56) and connect fixed section (13) and shower nozzle (11) soft roll-up section (14), adjustment mechanism includes one around pipe wheel (61), have one around pipe groove (62) on around pipe wheel (61), around the middle part of pipe groove (62) has inserted one triple joint (63), spray tube (1) is connected to one end of triple joint (63), the other both ends of triple joint (63) are in same straight line, and two joints on same straight line are rotated respectively and are connected in the shaft hole around pipe wheel (61), the both ends in shaft hole around pipe wheel (61) are rotated respectively and are connected a stay tube (64), and two stay tubes (64) are linked together with two joints on same straight line on three joint (63) respectively, stay tube (64) are fixed with mounting bracket (3), link to each other through a second spring (65) between the pore wall around pipe wheel (61) respectively.
2. The remote plug-in sponge flame retardant device according to claim 1, wherein a sleeve (56) is fixedly connected to the axis of each of the two pressing wheels (54), the spray pipe (1) is rotatably connected in the sleeve (56), the spray pipe (1) is respectively connected with the tank body and the spray head (11) after being simultaneously penetrated by the two sleeves (56), and a first spring (57) is connected between at least one sleeve (56) and the storage barrel (2).
3. The long-distance plug-in sponge flame retardant device according to claim 1, wherein the spray head (11) is internally provided with a rectangular air outlet hole (71), a first metal sheet (72) and a second metal sheet (73) are arranged near the tail end of the air outlet hole (71), the first metal sheet (72) and the second metal sheet (73) intercept the whole cross section of the air outlet hole (71), an avoidance hole (74) is formed in the wall of the air outlet hole (71) near the middle part of the first metal sheet (72), a plurality of air guide grooves (75) are formed in one side surface, where two end parts of the first metal sheet (72) and the second metal sheet (73) are mutually abutted, the aperture of each air guide groove (75) gradually reduces from the end part to the middle part, so that the middle parts of the first metal sheet (72) and the second metal sheet (73) are mutually abutted to intercept the air outlet hole (71), and the thermal expansion coefficient of the first metal sheet (72) is larger than that of the second metal sheet (73); the middle part of the first metal sheet (72) can deform and bend towards the avoidance hole so as to lead the air outlet hole (71) to be unobstructed.
4. A remote plug-in sponge flame retardant device as in claim 3, wherein said first metal sheet (72) is zinc alloy and said second metal sheet (73) is copper.
5. A remote plug-in sponge flame retardant device according to claim 3, wherein the avoiding opening (74) is provided with an adjusting spring (76), one end of the adjusting spring (76) is propped against the outer side surface of the metal sheet one (72), the other end of the adjusting spring (76) is propped against a pressing plate, the pressing plate is connected with an adjusting bolt, a through hole is formed in the spray head (11), the adjusting bolt is arranged in the through hole in a penetrating mode, and a locking nut is connected to the adjusting bolt in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178354.4A CN110721421B (en) | 2019-11-27 | 2019-11-27 | Remote plug-in sponge flame retardant device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178354.4A CN110721421B (en) | 2019-11-27 | 2019-11-27 | Remote plug-in sponge flame retardant device |
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| CN110721421A CN110721421A (en) | 2020-01-24 |
| CN110721421B true CN110721421B (en) | 2024-02-23 |
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| CN201911178354.4A Active CN110721421B (en) | 2019-11-27 | 2019-11-27 | Remote plug-in sponge flame retardant device |
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| CA973011A (en) * | 1972-03-24 | 1975-08-19 | John C. Mcnabney | Air diffuser fire damper |
| CN105288914A (en) * | 2015-12-02 | 2016-02-03 | 威海广泰空港设备股份有限公司 | Electric firefighting puncture spray gun |
| CN107998566A (en) * | 2018-01-05 | 2018-05-08 | 北京金同泰科技有限公司 | A kind of spray gun and extinguishing device |
| CN207694108U (en) * | 2017-11-20 | 2018-08-07 | 中科汽车零部件（苏州）有限公司 | A kind of nozzle of fire extinguisher used for buses |
| CN211301836U (en) * | 2019-11-27 | 2020-08-21 | 湖北世丰汽车内饰有限公司 | Remote plug-in type sponge flame-retardant device |
-
2019
- 2019-11-27 CN CN201911178354.4A patent/CN110721421B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA973011A (en) * | 1972-03-24 | 1975-08-19 | John C. Mcnabney | Air diffuser fire damper |
| CN105288914A (en) * | 2015-12-02 | 2016-02-03 | 威海广泰空港设备股份有限公司 | Electric firefighting puncture spray gun |
| CN207694108U (en) * | 2017-11-20 | 2018-08-07 | 中科汽车零部件（苏州）有限公司 | A kind of nozzle of fire extinguisher used for buses |
| CN107998566A (en) * | 2018-01-05 | 2018-05-08 | 北京金同泰科技有限公司 | A kind of spray gun and extinguishing device |
| CN211301836U (en) * | 2019-11-27 | 2020-08-21 | 湖北世丰汽车内饰有限公司 | Remote plug-in type sponge flame-retardant device |
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| CN110721421A (en) | 2020-01-24 |
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Address after: 437000 phase III of high tech Industrial Park, Xian'an District, Xianning City, Hubei Province Applicant after: Hubei Shifeng New Material Co.,Ltd. Address before: 437000 phase III of high tech Industrial Park, Xian'an District, Xianning City, Hubei Province Applicant before: HUBEI SHIFENG AUTOMOTIVE INTERIOR Co.,Ltd. |
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