CN112774059B - Portable tunnel fire-fighting equipment based on municipal water supply - Google Patents
Portable tunnel fire-fighting equipment based on municipal water supply Download PDFInfo
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- CN112774059B CN112774059B CN202110143563.6A CN202110143563A CN112774059B CN 112774059 B CN112774059 B CN 112774059B CN 202110143563 A CN202110143563 A CN 202110143563A CN 112774059 B CN112774059 B CN 112774059B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000006185 dispersion Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 3
- 238000004804 winding Methods 0.000 abstract description 12
- 230000000903 blocking effect Effects 0.000 description 13
- 238000010992 reflux Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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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
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/04—Supports or clamps for fire hoses
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Nozzles (AREA)
Abstract
The invention discloses portable tunnel fire-fighting equipment based on municipal water supply, which structurally comprises a spray gun head, an extension pipe, a water flow valve, a water supply pipe, a winding disc, a rotating shaft and a fixing frame, wherein the tail end of the spray gun head is connected with a flange of the extension pipe, the tail end of the extension pipe is connected with a flange of the water supply pipe, the water supply pipe is nested and connected with the surface of the winding disc, the center of the winding disc is movably matched with the rotating shaft, the center of the rotating shaft is nested and connected with the water supply pipe, the tail end of the water supply pipe is nested and connected with the water flow valve, the water flow valve is in clearance fit with the spray gun head, the fixing frame is nested and matched with the top end of the water supply pipe, the spray gun head comprises a circulation cavity, a water outlet, a diffuser and a connecting pipe sleeve, after the rotary pressurizing rotary disc rotates, an inner rotary wheel presses the inner rotary wheel into a clamping groove to enable a rope slide block the cavity of the rope slide block to discharge the rope slide block, the rope slide block is changed to block the rope, and the water flow pressure in the overflow cavity is increased, the problem of phase-change pressurization under the condition of overlong distance and insufficient pressure is effectively solved, and the sufficient water flow pressure is ensured.
Description
Technical Field
The invention relates to the municipal field, in particular to portable tunnel fire-fighting equipment based on municipal water supply.
Background
Municipal water supply is a part of urban public utilities, and realizes water supply intercommunication in cities by planning water systems in the cities through municipal administration, wherein the municipal water supply system generally comprises a water source, a water plant and the like, water is taken and then is conveyed to the water plant through a water pipe for water quality treatment, and the treated water is delivered through a water pipe network by pressurization;
however, the prior art has the following defects: the current portable tunnel fire-fighting equipment based on municipal water supply is because at tunnel depth overlength, just installs a fire-fighting equipment at a distance apart, so adopt portably to stretch and be the fire-fighting lance, the cooperation pipeline is prolonged, but because the extension of length is received to the feedwater after the restriction municipal pressure boost of distance, lead to inside rivers pressure not enough, and then cause the water yield range that the fire-fighting equipment jetted out to reach the distance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide portable tunnel fire-fighting equipment based on municipal water supply, and solves the problems that in the prior art, as the depth of a tunnel is too long, and a fire-fighting device is installed at a certain distance, a portable and stretchable fire-fighting lance is adopted to be matched with a pipeline for extension, but the water supply after municipal pressurization is limited by the distance is extended to the length, so that the pressure of internal water flow is insufficient, and the water flow range sprayed by the fire-fighting device cannot reach the distance.
In order to achieve the purpose, the invention is realized by the following technical scheme: a portable tunnel fire-fighting device based on municipal water supply structurally comprises a spray gun head, an extension pipe, a water flow valve, a water supply pipe, a winding disc, a rotating shaft and a fixing frame, the tail end of the spray gun head is connected with an extension pipe flange, the tail end of the extension pipe is connected with a water supply pipe flange, the water supply pipe is nested and connected with the surface of the winding disc, the center of the winding disc is movably matched with the rotating shaft, the center of the rotating shaft is connected with a water supply pipe in a nested manner, the tail end of the water supply pipe is connected with a water flow valve in a nested manner, the water flow valve is in clearance fit with the spray gun head, the fixing frame is in nested fit with the top end of the water supply pipe, the spray gun head comprises a circulation cavity, a water outlet, a diffuser and a connecting pipe sleeve, the interior of the flow cavity is movably matched with a diffuser, the lower end of the diffuser is in clearance fit with the connecting pipe sleeve, the top end of the connecting pipe sleeve is in clearance fit with the water outlet, and the water outlet is in nested fit with the surface of the diffuser.
The invention is further improved, the diffuser comprises a water dispersion column, a spring piece, a flange sleeve and a pressurizing rotary disc, the surface of the water dispersion column is fixedly embedded and connected with the spring piece, the lower end of the spring piece is in clearance fit with the pressurizing rotary disc, the whole pressurizing rotary disc is nested and matched with the flange sleeve, the flange sleeve is welded and connected with the bottom of the water dispersion column, the whole spring piece is nested and connected on the outer surface of the water dispersion column, and the lower end of the spring piece is in clearance fit with the flange sleeve.
The invention is further improved, the water-dispersing column comprises a water-carrying cavity, a reflux screen, a water-jetting hole and a sliding plug ball, the surface of the water-carrying cavity is nested and connected with the water-jetting hole, the upper end of the water-jetting hole is in clearance fit with the reflux screen, the reflux screen is fixedly embedded and connected with the top end of the water-carrying cavity, the interior of the water-carrying cavity is movably clamped with the sliding plug ball, and the sliding plug ball is integrally in a round ball shape, is distributed in the water-carrying cavity to be in sliding fit, and generates limit with the top end reflux screen.
The invention is further improved, the sliding plug ball comprises a retraction disc, a telescopic rod, a sleeve and a folding frame, the surface of the retraction disc is fixed with a bolt of the folding frame, the top end of the folding frame is connected with the inner wall of the sleeve in a welding mode, the interior of the sleeve is movably matched with the telescopic rod, the telescopic rod is in clearance fit with the top end of the folding frame, eight folding frames are arranged, the top ends of the folding frames are fixedly connected with the outer wall of the sleeve in an embedding mode, and the tail ends of the folding frames are fixed with the surface of the retraction disc through bolts.
The pressurizing turntable is further improved, the pressurizing turntable comprises a movable cavity, a rotating wheel, an auxiliary rod, a pressurizing disc and a sleeve ring, the center of the movable cavity is connected with the pressurizing disc in a nested mode, the surface of the pressurizing disc is movably matched with the rotating wheel, the center of the rotating wheel is matched with the auxiliary rod in the nested mode, the auxiliary rod is connected with the sleeve ring in a welded mode, the inner portion of the sleeve ring is in clearance fit with the rotating wheel, the rotating wheel is integrally in a hollow annular shape, and the rotating wheel is fixed through the auxiliary rod and moves under the driving of the sleeve ring.
The invention is further improved, the pressurizing disc comprises a clamping groove, a pendulum page, a rope sliding block, an overflow cavity and a blocking block, the clamping groove is movably clamped with the whole pendulum page, the top end of the pendulum page is movably matched with the rope sliding block, the surface of the rope sliding block is nested and matched with the blocking block, the blocking block is in clearance fit with the surface of the overflow cavity, the overflow cavity is movably matched with the surface of the rope sliding block, and the two rope sliding blocks are distributed on the upper side and the lower side of the overflow cavity and are movably matched with the blocking block.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects;
1. according to the invention, the water dispersion column of the spray gun head is pushed outwards due to the change of water flow pressure in the using process of the spray gun head, so that the inner ring of the water outlet is matched with the flange sleeve, the backflow screen is blocked under the sliding and rising of the sliding plug ball, the water flow direction is changed, the water flow is output and diffused, the fire-fighting rescue area is enlarged, and the fire-fighting and extinguishing speed is increased.
2. According to the invention, after the rotating pressurizing turntable rotates, the inner rotating wheel presses the pendulum page into the clamping groove while rotating, so that the rope sliding block covers the cavity of the blocking block, the blocking block is blocked by phase change, the water flow pressure in the overflow cavity is increased, the problem of phase change pressurization under the condition of overlong distance and insufficient pressure is effectively solved, and the sufficient water flow pressure is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a portable tunnel fire fighting device based on municipal water supply.
Fig. 2 is a schematic view of the internal structure of the lance head of the present invention.
Fig. 3 is a schematic perspective view of a diffuser according to the present invention.
FIG. 4 is a schematic view of the internal structure of the water dispersion column of the present invention.
Fig. 5 is a schematic view of the internal structure of the sliding plug ball of the present invention.
Fig. 6 is a schematic top view of the pressurized rotary disk of the present invention.
Fig. 7 is a schematic diagram of the internal structure of the pressurizing disk of the present invention.
In the figure: spray gun head-1, extension pipe-2, water flow valve-3, water supply pipe-4, winding disc-5, rotating shaft-6, fixing frame-7, circulation cavity-11, water outlet-12, diffuser-13, connecting pipe sleeve-14, water dispersion column-131, spring piece-132, flange sleeve-133, pressurizing rotary disc-134, water carrying cavity-a 1 and reflux screen-a 2, the water-jet hole-a 3, the sliding plug ball-a 4, the retraction disc-a 41, the expansion link-a 42, the sleeve-a 43, the folding frame-a 44, the movable cavity-b 1, the rotating wheel-b 2, the auxiliary rod-b 3, the pressure increasing disc-b 4, the lantern ring-b 5, the clamping groove-c 1, the pendulum page-c 2, the rope slider-c 3, the overflow cavity-c 4 and the blocking block-c 5.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention is further described below with reference to the accompanying drawings:
example 1
As shown in figures 1 to 5:
the structure of the spray gun comprises a spray gun head 1, an extension pipe 2, a water flow valve 3, a water supply pipe 4, a winding disc 5, a rotating shaft 6 and a fixing frame 7, wherein the tail end of the spray gun head 1 is in flange connection with the extension pipe 2, the tail end of the extension pipe 2 is in flange connection with the water supply pipe 4, the surface of the water supply pipe 4 is in nested connection with the winding disc 5, the center of the winding disc 5 is in movable fit with the rotating shaft 6, the center of the rotating shaft 6 is in nested connection with the water supply pipe 4, the tail end of the water supply pipe 4 is in nested connection with the water flow valve 3, the water flow valve 3 is in clearance fit with the spray gun head 1, the fixing frame 7 is in nested fit with the top end of the water supply pipe 4, the spray gun head 1 comprises a circulation cavity 11, a water outlet 12, a diffuser 13 and a connecting pipe sleeve 14, the interior of the circulation cavity 11 is in movable fit with the diffuser 13, the lower end of the diffuser 13 is in clearance fit with the connecting pipe sleeve 14, and the top end of the connecting pipe sleeve 14 is in clearance fit with the water outlet 12, the water outlet 12 is in surface nesting fit with the diffuser 13.
Wherein, diffuser 13 includes scattered water column 131, spring leaf 132, flange cover 133, pressurization carousel 134, scattered water column 131 surface and spring leaf 132 are embedded solid and are connected, spring leaf 132 lower extreme and pressurization carousel 134 clearance fit, the whole nested cooperation with flange cover 133 of pressurization carousel 134, flange cover 133 and scattered water column 131 bottom welded connection, the whole nestification of spring leaf 132 is at scattered water column 131 surface, carries out clearance fit through lower extreme and flange cover 133, and wherein scattered water column 131 is favorable to diffusing rivers output, makes its fire rescue area grow for rescue speed.
Wherein, scattered water column 131 includes year water cavity a1, backward flow sieve a2, water jet hole a3, sliding plug ball a4, year water cavity a1 surface and water jet hole a3 nested connection, water jet hole a3 upper end and backward flow sieve a2 clearance fit, backward flow sieve a2 and year water cavity a1 top are embedded solid to be connected, carry water cavity a1 inside and sliding plug ball a4 activity block, sliding plug ball a4 is whole to be circular globular, distributes and carries out sliding fit inside year water cavity a1, produces spacingly with top backward flow sieve a2, and wherein sliding plug ball a4 is favorable to carrying out the block to backward flow top end sieve a2 for water outwards jets out to surface water jet hole a3, changes the rivers direction.
The sliding plug ball a4 comprises a retraction disc a41, a telescopic rod a42, a sleeve a43 and a folding frame a44, the surface of the retraction disc a41 is fixed with a folding frame a44 through bolts, the top end of the folding frame a44 is connected with the inner wall of the sleeve a43 in a welding mode, the interior of the sleeve a43 is movably matched with the telescopic rod a42, the telescopic rod a42 is in clearance fit with the top end of the folding frame a44, the folding frame a44 is provided with eight groups, the top end of the folding frame a44 is fixedly embedded with the outer wall of the sleeve a43, and the tail end of the folding frame a41 is fixed with the surface of the retraction disc a41 through bolts, wherein the telescopic rod a42 is favorable for being matched with the sleeve a43 to stretch and retract, so that the upward extrusion process is slowly reduced, and the flow is divided at the water outlet position of the clamping top end.
The specific working principle is as follows:
the invention takes the winding disc 5 off the rotating shaft 6, so that the lower end of the fixed mount 7 is nested and fixed with the water supply pipe 4 to supply water to the interior of the extension pipe 2 under the opening of the water flow valve 3, the water is sprayed out of the spray gun head 1, the winding disc 5 can rotate outwards after being taken off, the extension pipe 2 is pulled out and extended outwards, after the circulation cavity 11 of the connecting pipe sleeve 14 is filled with water, the diffuser 13 is pressurized upwards, the diffuser 13 is ejected outwards from the inner ring of the water outlet 12, the surface spring sheet a2 is pressed downwards by the elastic force, so that the water column 131 is clamped under the limit of the flange sleeve 133, then the water flow enters the water carrying cavity a1 to push the sliding plug ball a4 upwards to be clamped with the backflow screen a2, so that the retraction disc a41 inside retracts the telescopic rod a42 into the interior of the sleeve a43 under the coordination with the folding frame a44 and the sleeve a43 to tightly clamp the top end screen column, the invention makes the water flow jet out from the water jet hole a3 for spraying, the invention pushes the water dispersion column 131 outwards due to the change of the water flow pressure in the using process of the spray gun head 1, so that the inner ring of the water outlet is matched with the flange sleeve 133, the backflow screen a2 is blocked under the sliding and rising of the sliding plug ball a4, the water flow direction is changed, the water flow is output and diffused, the fire-fighting and rescue area is enlarged, and the fire-fighting and extinguishing speed is accelerated.
Example 2:
as shown in fig. 6 to 7:
the pressurizing rotary disc 134 comprises a movable cavity b1, a rotating wheel b2, an auxiliary rod b3, a pressurizing disc b4 and a lantern ring b5, the center of the movable cavity b1 is connected with the pressurizing disc b4 in a nested mode, the surface of the pressurizing disc b4 is movably matched with the rotating wheel b2, the center of the rotating wheel b2 is matched with the auxiliary rod b3 in a nested mode, the auxiliary rod b3 is connected with a lantern ring b5 in a welded mode, the interior of the lantern ring b5 is in clearance fit with the rotating wheel b2, the rotating wheel b2 is integrally in a hollow ring shape, the rotating wheel b2 is fixed through the auxiliary rod b3 and moves under the driving of the lantern ring b5, and the pressurizing disc b4 is beneficial to phase-changing pressurization of water flow in the pipe under the condition of too long distance and insufficient pressure.
The pressure increasing disc b4 comprises a clamping groove c1, a pendulum blade c2, a rope slider c3, an overflow cavity c4 and a blocking block c5, the clamping groove c1 is integrally and movably clamped with the pendulum blade c2, the top end of the pendulum blade c2 is movably matched with the rope slider c3, the surface of the rope slider c3 is in nested fit with the blocking block c5, the blocking block c5 is in clearance fit with the surface of the overflow cavity c4, the overflow cavity c4 is in movable fit with the surface of the rope slider c3, the rope slider c3 is provided with two blocks which are distributed on the upper side and the lower side of the overflow cavity c4 and are in movable fit with the blocking block c5, and the pendulum blade c2 is beneficial to matching the rope slider c3 after being triggered to change the orientation of an internal block body to block a water outlet and lift water flow pressure.
The specific working principle is as follows:
the invention makes the pressurizing rotary disc 134 in the inner diffuser 13 be driven by rotating through the outer wall of the rotary flow-through cavity 11, the auxiliary rod b3 embedded in the inner wall of the lantern ring b5 drives the rotary wheel b2 to be movably matched with the pressurizing disc b4, so that under the rotation of the surface of the movable cavity b1, the swinging leaf c2 is pressed into the clamping groove c1 by the rotation of the rotating b2, so that the rope sliding block c3 fixed at the top end blocks the blocking block c5 after the rope pulling tightness on the surface, the rope sliding block c3 seals and wraps the blocking block c5, finally, the overflow cavity c4 is output water flow independently, after the rotary flow-through the rotating pressurizing rotary disc 134, the swinging leaf c2 is pressed into the clamping groove c1 by the inner part 2 while rotating, so that the rope sliding block c5 is covered by the rope sliding block c3, the rotary wheel is blocked, the water flow in the overflow cavity c4 is increased, the problem of phase-change pressurization under the condition of overlong distance and insufficient pressure is effectively solved, and the sufficient water flow pressure is ensured.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The utility model provides a portable tunnel fire control equipment based on municipal water supply, its structure includes spray gun head (1), extension pipe (2), rivers valve (3), feed pipe (4), rolling dish (5), axis of rotation (6), mount (7), spray gun head (1) end and extension pipe (2) flange joint, extension pipe (2) end and feed pipe (4) flange joint, feed pipe (4) and rolling dish (5) surface nested connection, rolling dish (5) center and axis of rotation (6) clearance fit, axis of rotation (6) central authorities and feed pipe (4) nested connection, feed pipe (4) end and rivers valve (3) nested connection, rivers valve (3) and spray gun head (1) clearance fit, mount (7) and feed pipe (4) top nested fit, its characterized in that:
the spray gun head (1) comprises a circulation cavity (11), a water outlet (12), a diffuser (13) and a connecting pipe sleeve (14), wherein the interior of the circulation cavity (11) is movably matched with the diffuser (13), the lower end of the diffuser (13) is in clearance fit with the connecting pipe sleeve (14), the top end of the connecting pipe sleeve (14) is in clearance fit with the water outlet (12), and the water outlet (12) is in nested fit with the surface of the diffuser (13);
the diffuser (13) comprises a water dispersion column (131), a spring piece (132), a flange sleeve (133) and a pressurizing rotary disc (134), wherein the surface of the water dispersion column (131) is fixedly embedded in the spring piece (132), the lower end of the spring piece (132) is in clearance fit with the pressurizing rotary disc (134), the whole pressurizing rotary disc (134) is in nested fit with the flange sleeve (133), and the flange sleeve (133) is welded and connected with the bottom of the water dispersion column (131);
the water dispersion column (131) comprises a water carrying cavity (a1), a backflow screen (a2), a water jetting hole (a3) and a sliding plug ball (a4), the surface of the water carrying cavity (a1) is connected with the water jetting hole (a3) in a nested mode, the upper end of the water jetting hole (a3) is in clearance fit with the backflow screen (a2), the backflow screen (a2) is fixedly connected with the top end of the water carrying cavity (a1) in an embedded mode, and the inside of the water carrying cavity (a1) is movably clamped with the sliding plug ball (a 4);
the sliding plug ball (a4) comprises a retraction disc (a41), a telescopic rod (a42), a sleeve (a43) and a folding frame (a44), wherein the surface of the retraction disc (a41) is fixed with a bolt of the folding frame (a44), the top end of the folding frame (a44) is connected with the inner wall of the sleeve (a43) in a welding mode, the interior of the sleeve (a43) is movably matched with the telescopic rod (a42), and the telescopic rod (a42) is in clearance fit with the top end of the folding frame (a 44);
the pressurizing rotary disc (134) comprises a movable cavity (b1), a rotating wheel (b2), an auxiliary rod (b3), a pressurizing disc (b4) and a sleeve ring (b5), wherein the center of the movable cavity (b1) is in nested connection with the pressurizing disc (b4), the surface of the pressurizing disc (b4) is in movable fit with the rotating wheel (b2), the center of the rotating wheel (b2) is in nested fit with the auxiliary rod (b3), the auxiliary rod (b3) is in welded connection with the sleeve ring (b5), and the inner part of the sleeve ring (b5) is in clearance fit with the rotating wheel (b 2);
increase pressure dish (b4) and include draw-in groove (c1), pendulum page or leaf (c2), rope slider (c3), overflow chamber (c4), block piece (c5), draw-in groove (c1) and the whole activity block of pendulum page or leaf (c2), pendulum page or leaf (c2) top and rope slider (c3) clearance fit, rope slider (c3) surface and block piece (c5) nested cooperation, block piece (c5) and overflow chamber (c4) surface clearance fit, overflow chamber (c4) and rope slider (c3) surface clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143563.6A CN112774059B (en) | 2021-02-02 | 2021-02-02 | Portable tunnel fire-fighting equipment based on municipal water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143563.6A CN112774059B (en) | 2021-02-02 | 2021-02-02 | Portable tunnel fire-fighting equipment based on municipal water supply |
Publications (2)
| Publication Number | Publication Date |
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| CN112774059A CN112774059A (en) | 2021-05-11 |
| CN112774059B true CN112774059B (en) | 2021-12-17 |
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| CN202110143563.6A Active CN112774059B (en) | 2021-02-02 | 2021-02-02 | Portable tunnel fire-fighting equipment based on municipal water supply |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3027096A (en) * | 1960-01-21 | 1962-03-27 | Sherwin Williams Co | Methods and apparatus for producing multi-component surface coatings |
| DE3318936A1 (en) * | 1982-10-23 | 1984-11-29 | Wolfgang 4800 Bielefeld Suttner | Valve |
| US5699967A (en) * | 1995-08-25 | 1997-12-23 | Campbell Hausfeld/Scott Fetzer Co. | Airless spray gun diffuser |
| WO2010019824A1 (en) * | 2008-08-13 | 2010-02-18 | Advanced Fire Control Technologies, Inc. | Fire extinguishment systems and nozzles |
| US20170028428A1 (en) * | 2014-04-14 | 2017-02-02 | Kristy COTE | Sprinkler apparatus and system for irrigation |
| CN108654857A (en) * | 2018-04-28 | 2018-10-16 | 金柯楠 | A kind of machine components pressurization wide-angle spray piecing devices |
| CN109622254B (en) * | 2018-12-19 | 2021-07-30 | 福建金东矿业股份有限公司 | Movable pressure-regulating clean mining high-pressure sprayer |
| CN110328074B (en) * | 2019-07-19 | 2020-07-07 | 深圳电丰电子有限公司 | Free type atomizing device |
| CN211514924U (en) * | 2019-12-12 | 2020-09-18 | 江苏晓牧环保科技有限公司 | Liquid supply device of handheld electric spray gun |
| CN111589035A (en) * | 2020-05-30 | 2020-08-28 | 黄建中 | Pressure boost fire-fighting lance |
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2021
- 2021-02-02 CN CN202110143563.6A patent/CN112774059B/en active Active
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