CN112263802A - Fire water monitor head self-driving electrodeless swing system - Google Patents
Fire water monitor head self-driving electrodeless swing system Download PDFInfo
- Publication number
- CN112263802A CN112263802A CN202011304305.3A CN202011304305A CN112263802A CN 112263802 A CN112263802 A CN 112263802A CN 202011304305 A CN202011304305 A CN 202011304305A CN 112263802 A CN112263802 A CN 112263802A
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- swing
- transmission
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- head
- impeller
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- 241000876443 Varanus salvator Species 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 28
- 238000000926 separation method Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 239000003595 mist Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
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Classifications
-
- 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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- 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
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a self-driven stepless swing system for a fire water monitor head. Comprises a gun body which is communicated with a gun head and is provided with a universal joint rotating structure, a driving mechanism, a worm transmission mechanism, a clutch mechanism and a swinging mechanism; the fire-fighting water flow-driven fire-fighting gun comprises an impeller, a transmission worm and a transmission worm wheel, wherein the impeller is driven by fire-fighting water flow to rotate, the transmission worm is in transmission connection with the impeller, the transmission worm wheel is driven by the worm, the transmission worm wheel is in separable transmission connection with a swinging dial through a clutch mechanism, and the swinging dial is limited by a swinging rotating shaft to form push-grinding type rotation and drive a gun head to swing; the fire monitor drives the fire monitor to swing by utilizing the self-pressure water source of the fire monitor, can fix an angle aiming at a certain target, can also carry out direct current and water mist injection at a certain pitching angle and a certain swinging angle, and can automatically switch between fixed angle injection and self-driven swinging injection by hands; the invention can work in the environment without electricity, and the self-swinging injection can simultaneously suppress a multi-point fire source and a large-area fire source, thereby replacing the manual operation of firemen and reducing the physical consumption of the firemen.
Description
Technical Field
The invention belongs to the technical field of fire fighting equipment design, particularly belongs to the technical field of fire fighting monitor design capable of automatically adjusting the spraying state in fire fighting equipment, and particularly relates to a self-driven swing system capable of rapidly switching between automatic and manual operation and stepless adjustment of a spraying angle for a monitor head of a portable mobile fire fighting water monitor.
Background
The existing portable movable fire monitor is usually arranged on a fixed support, and when fire fighting is carried out, the portable movable fire monitor is placed close to the scene, and is sprayed to extinguish fire by automatically or manually adjusting the direction of a monitor opening. The existing fire fighting equipment can realize automatic early warning and carry out accurate automatic swing adjustment according to the fire condition to finish spraying and extinguishing.
In the implementation of the swing adjustment, fire-fighting cannons are usually provided with an automatic or manual drive. The existing automatic mode mostly adopts a motor or other mechanical drive, and the adjustment is manually carried out through the direct rotation of an operator. Aiming at the portable mobile fire monitor, the invention provides a swing driving system which can meet the requirements of immediate, convenient and quick conversion between automatic and manual driving modes and stepless adjustment of a spraying angle and can be driven by self, so as to adapt to fire extinguishing operations in different environments.
Disclosure of Invention
The invention discloses a self-driven stepless swing system for a fire water monitor head according to the defects of the prior art. The invention aims to provide a self-driven swinging system for a monitor head of a portable mobile fire water monitor, which can realize rapid switching between automatic and manual operation and stepless adjustment of a spraying angle.
The invention is realized by the following technical scheme:
the fire water monitor head self-driving electrodeless swing system comprises a monitor body which is communicated with a fire water monitor head and is provided with a universal joint rotating structure, and is characterized in that: the worm gear mechanism is connected with the worm gear through a transmission mechanism;
the driving mechanism comprises an impeller fixing section and an impeller; the impeller fixing section is arranged at the rear end of the gun head and comprises a straight pipe section and an impeller cavity which is vertical to the axial direction of the straight pipe section and is combined with the wall of the straight pipe section; the impeller is positioned in the impeller cavity, and the upstream end part of the impeller blade is positioned in the straight pipe section and is driven by water flow passing through the straight pipe section to rotate;
the worm transmission mechanism comprises a transmission worm, a transmission worm wheel and a transmission mechanism shell; the transmission worm is in transmission connection with the impeller, and the tail end of the transmission worm is in transmission connection with the transmission worm wheel;
the clutch mechanism comprises a coaxial separable clutch mechanism and an eccentric shaft manual separation mechanism; the worm transmission mechanism is in separable driving connection with the swinging mechanism through a separable clutch mechanism;
the swing mechanism comprises a swing dial, a swing rotating shaft, a fisheye ball head universal connecting rod and a ferry connecting rod; the bottom of the swing dial is in driving connection with the separable clutch mechanism, a swing rotating shaft is vertically and fixedly arranged on the upper surface of the swing dial close to the periphery, the swing rotating shaft is sleeved and hinged with a ball head of a fisheye ball head universal connecting rod, and the other end of the fisheye ball head universal connecting rod is sleeved and hinged with and fixed on a gun head rotating support of a fire gun body through a ferry connecting rod; the swing dial is limited by a swing rotating shaft to form a push-grinding type rotation to drive the gun head to swing.
The coaxial separable clutch mechanism of the clutch mechanism comprises a clutch mechanism spline I in transmission connection with a transmission worm wheel, a clutch spring, a clutch mechanism spline outer sleeve and a clutch mechanism spline II in transmission connection with a swing dial through a worm wheel sealing cover; the first clutch mechanism spline and the second clutch mechanism spline are coaxially and oppositely arranged and keep a certain gap, and the outer sleeve of the clutch mechanism spline slides on the two splines to realize the transmission separation and combination under the driving of the swinging stripping eccentric shaft of the eccentric shaft manual separation mechanism.
The manual separating mechanism of the eccentric shaft comprises: the eccentric shaft is arranged on the shell of the transmission mechanism, the head of the eccentric shaft is an eccentric head arranged on the outer side of the axis, and the head of the eccentric head is fixedly provided with a deep groove ball bearing and is in driving contact with the spline outer sleeve of the clutch mechanism.
The impeller cavity is connected with the transmission mechanism shell through a flange, and a mechanical seal is arranged between the flange and the transmission worm.
The impeller comprises a plurality of groups of arc-shaped blades which are symmetrically arranged on the periphery of the impeller along the axial lead of the impeller, and the end parts of the arc-shaped blades of each group are arranged in a way of facing water through one axial side of the straight pipe section when rotating.
The fire monitor head is sequentially connected with a universal joint connecting pipeline and a fire control connecting buckle through a straight pipe section and is fixed on a base; the base is provided with a supporting leg which can be supported on the bottom surface.
The invention has the following beneficial effects: the invention relates to a self-driven stepless adjustable system fire monitor with a swing angle, which is a swinging fire monitor driven by the most common pressure water source in a fire extinguishing site. In a fire scene, within a certain distance and range, the device can not only fix an angle and aim at a certain target, but also spray direct current and water mist at a certain pitching angle and a certain swinging angle; when the self-driven swinging jet nozzle is used, the manual and automatic knob can be used for seamless switching to fixed-angle jet and self-driven swinging jet, and the jet angle can be set through the angle adjusting knob when the self-driven swinging jet nozzle swings.
The self-driven stepless adjustable system fire monitor with the swing angle can work in a non-electric environment system, can simultaneously suppress a multi-point fire source and a large-area fire source by self-swing injection, and simultaneously replaces manual operation of firemen, thereby greatly reducing the physical strength of the firemen.
Drawings
FIG. 1 is a schematic view of a front connection of a portable mobile fire monitor according to the present invention;
FIG. 2 is a schematic side view of the portable mobile fire monitor of the present invention;
FIG. 3 is a schematic diagram of the explosion structure of the portable mobile fire monitor of the present invention;
FIG. 4 is a schematic side view of the gun body and drive system of the present invention;
FIG. 5 is a schematic top view of the gun body and drive system of the present invention;
FIG. 6 is a schematic cross-sectional view taken along line M-M in FIG. 4;
FIG. 7 is a schematic cross-sectional view taken along line K-K in FIG. 5;
FIG. 8 is a schematic view of the H-H section of FIG. 5:
FIG. 9 is a schematic cross-sectional view taken along line J-J of FIG. 5;
fig. 10 is a schematic diagram of an explosive structure of the driving system.
In the figure, a is a gun head, b is a gun body, c is a gun head rotating support column, d is a support leg, 1 is an impeller fixing section, 2 is an impeller, 3 is a fire-fighting connecting buckle, 4 is a transmission worm, 5 is a deep groove ball bearing, 6 is an anti-skidding nut, 7 is a transmission mechanism shell, 8 is a transmission worm wheel, 9 is a deep groove ball bearing, 10 is a worm wheel sealing cover, 11 is a clutch mechanism spline I, 12 is a clutch mechanism spline II, 13 is a clutch mechanism spline outer sleeve, 14 is a swinging stripping eccentric shaft, 15 is a convex end fastening bolt, 16 is a swinging rotating shaft, 17 is a bolt, 18 is an outer diameter snap spring, 19 is a sealing ring, 20 is a rolling flower pin, 21 is a worm sealing cover, 22 is a steel ball, 23 is a flat end fastening bolt, 24 is a sealing ring, 25 is a plane sealing ring, 26 is a swinging dial, 27 is a sealing ring, 28 is a bolt, 29 is a mechanical ball head sealing, 30 is a sealing ring, 31 is a nylon cushion block, 32, 33 is a plum blossom handle, 34 is a ferry connecting rod, 35 is a deep groove ball bearing, 36 is a clutch spring, 37 is an anti-collision outer sleeve, 38 is a flow deflector, 39 is a flowering direct current outer sleeve, 40 is a fixing bolt, 41 is a gun head section, 42 is a water diversion disc, 43 is a cover-shaped nut, 44 is a sealing ring, 45 is a sealing ring, 46 is a sealing ring, 47 is an eccentric shaft handle, 48 is a bolt, 49 is a key, 50 is a plane thrust needle roller bearing, 51 is an anti-slip nut, 52 is a screw rod, 53 is a water diversion disc central shaft, 54 is a bolt, 55 is a self-swinging angle identification sticker, and 56 is a plug.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
Automatic and manual fire water monitor head swing actuating system who puts of fast switch over includes: the portable movable self-swinging fire water monitor can quickly switch between automatic and manual self-swinging, and comprises a self-swinging monitor head a and a portable movable fire monitor body b, wherein the self-swinging monitor head a is fixed on the fire monitor body b.
As shown in the figure, the self-swinging gun head a structure comprises: the anti-collision outer sleeve 37 is fixed with the blooming direct current outer sleeve 39, the blooming direct current outer sleeve 39 is concentric with the gun head section 41 of the straight pipe structure, the blooming direct current outer sleeve 39 and the gun head section 41 are connected in a spiral groove of the gun head section 41 through a fixing bolt 40 and are sealed through a sealing ring 44 and a sealing ring 45, the fixing bolt 40 is fixed with the blooming direct current outer sleeve 39, the gun head section 41 is concentric with the flow deflector 38, the water diversion disc central shaft 53 is concentric with the flow deflector 38 and is fixed through a cover-shaped screw cap 43, the water diversion disc 42 is concentric with the water diversion disc central shaft 53 and is fixed through a bolt 54, the gun head section 41 and the impeller fixing section 1 are concentrically fixed and are sealed through a sealing ring 46, and the impeller fixing section 1 and the fire control connecting buckle 3 are concentric and are.
The swing driving structure of the present invention comprises: the transmission mechanism shell 7 and the impeller fixing section 1 are fixed by a bolt 17 and sealed by a sealing ring 19, a plane thrust needle bearing 50 is concentrically connected with an angle transmission worm 4, a deep groove ball bearing 5, a mechanical seal 29 and an impeller 2 sequentially penetrate through the angle transmission worm 4 and are fixed by a key 49 and an anti-slip nut 6, the deep groove ball bearing 9 is concentric with the angle transmission worm 4 and is fixed with the angle transmission worm 4 by an outer diameter snap spring 18, a worm seal cover 21 is fixed with the transmission mechanism shell 7 and is sealed by a sealing ring 30, a swinging stripping eccentric shaft 14 is arranged in the transmission mechanism shell 7, a mounting hole of the swinging stripping eccentric shaft 14 is limited by a convex end fastening bolt 15 and is sealed by a sealing ring 24, an eccentric shaft handle 47 is concentric with the swinging stripping eccentric shaft 14 and is fixed by a bolt 48, a deep groove ball bearing 35 is tightly matched and fixed with one end of the swinging stripping eccentric shaft 14, an angle, the first clutch mechanism spline 11 is concentric with the angle transmission worm wheel 8 and is fixed by a knurling pin 20, the worm wheel sealing cover 10 is concentric with the second clutch mechanism spline 12 and is fixed by the knurling pin 20, the swing dial 26 is concentric with the worm wheel sealing cover 20 and is fixed by a bolt 28, the worm wheel sealing cover 10 is connected with the transmission mechanism shell 7 by a steel ball 22 and is sealed by a sealing ring, the clutch mechanism spline outer sleeve 13 is concentric with the first clutch mechanism spline 11 and can move back and forth between the two by the elastic force of a spring 36, the spring 36 is concentric with the first clutch mechanism spline 11, the bolt 16 is connected with the swing dial 26 by a bolt mounting hole, a nylon cushion block 31, the fisheye ball-head universal connecting rod 32 sequentially penetrates through the bolt 16 and is fixedly connected with the plum blossom-shaped handle 33, the bolt 48 is fixed with the bolt 16, the plug 56 is fixed with the plum blossom-shaped handle 33, the swinging connecting rod 34 is concentric and fixed with the fisheye ball-head universal connecting rod 32, and the fisheye ball-head universal connecting rod 32 is connected with the gun head rotating support c through the bolt.
The driving structure of the present invention comprises: the fire-fighting connecting buckle 3 is fixed with the outlet of the fire monitor body b and sealed by a plane sealing gasket 25. The water flow enters from the fire monitor body b and passes through the impeller fixing section 1 and is sprayed out from the monitor head section 41 and the monitor head, when the water flow passes through the impeller fixing section 1, the water flow has a certain flow velocity so as to drive the impeller 2 to rotate, the impeller 2 is fixed with the angle transmission worm 4 so as to drive the angle transmission worm 4 to rotate, the angle transmission worm 4 and the angle transmission worm wheel 8 are in a matching relationship so as to enable the angle transmission worm wheel 8 to rotate in proportion, the angle transmission worm wheel 8 and the clutch mechanism spline I11 are fixed to drive the clutch mechanism spline I11, the clutch mechanism spline I11 and the clutch mechanism spline outer sleeve 13 are connected to drive the clutch mechanism spline outer sleeve 13, when the swinging eccentric shaft 14 rotates to one side, the clutch mechanism spline outer sleeve 13 and the clutch mechanism spline II 12 are connected to drive the clutch mechanism spline II 12, the clutch mechanism spline II 12 and the worm wheel sealing cover 10 are fixed to drive the worm wheel sealing cover 10 and the, the bolt 16 is connected and fixed with the spraying angle adjusting long hole of the swing dial 26 so as to drive the bolt 16 to do eccentric circular motion, the fisheye ball head universal connecting rod 32 is fixed with the bolt 16 so as to drive the fisheye ball head universal connecting rod 32, the fisheye ball head universal connecting rod 32 is connected with the gun head rotating support column c through a bolt so as to form a connecting rod mechanism, the gun head freely swings along with the fisheye ball head, when the swing eccentric shaft 14 rotates to one face, the clutch mechanism spline outer sleeve 13 is disconnected with the clutch mechanism spline second 12, the clutch mechanism spline second 12 stops rotating, and the formed connecting rod mechanism lacks power and the gun head stops swinging along with the formed.
When the eccentric swing shaft 14 rotates to one side, the clutch mechanism spline outer sleeve 13 is disconnected with the clutch mechanism spline second 12, the clutch mechanism spline second 12 stops rotating, the clutch mechanism spline second 12 is fixed with the worm wheel sealing cover 10, the worm wheel sealing cover 10 is fixed with the swing dial 26 so that the swing dial 26 stops rotating, at the moment, the bolt 16 is loosened by the reversely rotating plum blossom handle 33 and connected with the swing dial 26, then the bolt 16 is adjusted in the spray angle adjusting long hole of the swing dial 26 and the length of the center position of the swing dial 26 to adjust the swing angle, the closer the swing angle is to the center of the swing dial 26, the larger the deviation distance is, the larger the swing angle is, and the bolt 16 is positioned at any point in the spray angle adjusting long hole of the swing dial 26 and tightly presses the bolt 16 and the swing dial 26 by.
Claims (6)
1. The utility model provides a fire water monitor big gun head is from driving electrodeless swing system, includes the big gun body that has universal joint revolution mechanic with fire water monitor big gun head UNICOM, its characterized in that: the worm gear mechanism is connected with the worm gear through a transmission mechanism;
the driving mechanism comprises an impeller fixing section and an impeller; the impeller fixing section is arranged at the rear end of the gun head and comprises a straight pipe section and an impeller cavity which is vertical to the axial direction of the straight pipe section and is combined with the wall of the straight pipe section; the impeller is positioned in the impeller cavity, and the upstream end part of the impeller blade is positioned in the straight pipe section and is driven by water flow passing through the straight pipe section to rotate;
the worm transmission mechanism comprises a transmission worm, a transmission worm wheel and a transmission mechanism shell; the transmission worm is in transmission connection with the impeller, and the tail end of the transmission worm is in transmission connection with the transmission worm wheel;
the clutch mechanism comprises a coaxial separable clutch mechanism and an eccentric shaft manual separation mechanism; the worm transmission mechanism is in separable driving connection with the swinging mechanism through a separable clutch mechanism;
the swing mechanism comprises a swing dial, a swing rotating shaft, a fisheye ball head universal connecting rod and a ferry connecting rod; the bottom of the swing dial is in driving connection with the separable clutch mechanism, a swing rotating shaft is vertically and fixedly arranged on the upper surface of the swing dial close to the periphery, the swing rotating shaft is sleeved and hinged with a ball head of a fisheye ball head universal connecting rod, and the other end of the fisheye ball head universal connecting rod is sleeved and hinged with and fixed on a gun head rotating support of a fire gun body through a ferry connecting rod; the swing dial is limited by a swing rotating shaft to form a push-grinding type rotation to drive the gun head to swing.
2. The fire water monitor head self-driving electrodeless swing system as defined in claim 1, is characterized in that: the coaxial separable clutch mechanism of the clutch mechanism comprises a clutch mechanism spline I in transmission connection with the transmission worm wheel, a clutch spring, a clutch mechanism spline outer sleeve and a clutch mechanism spline II in transmission connection with the swing dial through a worm wheel sealing cover; the first clutch mechanism spline and the second clutch mechanism spline are coaxially and oppositely arranged and keep a certain gap, and the outer sleeve of the clutch mechanism spline slides on the two splines to realize the transmission separation and combination under the driving of the swinging stripping eccentric shaft of the eccentric shaft manual separation mechanism.
3. The fire water monitor head self-driving electrodeless swing system as defined in claim 2, characterized in that: the manual separating mechanism of the eccentric shaft comprises: the eccentric shaft is arranged on the shell of the transmission mechanism, the head of the eccentric shaft is an eccentric head arranged on the outer side of the axis, and the head of the eccentric head is fixedly provided with a deep groove ball bearing and is in driving contact with the spline outer sleeve of the clutch mechanism.
4. The fire water monitor head self-driving stepless swing system of claim 3, characterized in that: the impeller cavity is connected with the transmission mechanism shell through a flange, and a mechanical seal is arranged between the flange and the transmission worm.
5. The fire water monitor head self-driving stepless swing system of claim 3, characterized in that: the impeller comprises a plurality of groups of arc-shaped blades which are symmetrically arranged on the periphery of the impeller along the axial lead of the impeller, and the end parts of the arc-shaped blades of each group are arranged in a way of facing water through one axial side of the straight pipe section when rotating.
6. The fire water monitor head self-driving stepless swinging system of any one of claims 1 to 5, characterized in that: the fire monitor head is sequentially connected with a universal joint connecting pipeline and a fire control connecting buckle through a straight pipe section and is fixed on the base; the base is provided with a supporting leg which can be supported on the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304305.3A CN112263802A (en) | 2020-11-19 | 2020-11-19 | Fire water monitor head self-driving electrodeless swing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304305.3A CN112263802A (en) | 2020-11-19 | 2020-11-19 | Fire water monitor head self-driving electrodeless swing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112263802A true CN112263802A (en) | 2021-01-26 |
Family
ID=74340397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011304305.3A Pending CN112263802A (en) | 2020-11-19 | 2020-11-19 | Fire water monitor head self-driving electrodeless swing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112263802A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569782A (en) * | 2009-05-22 | 2009-11-04 | 华东交通大学 | Folding hydraulic power auto- swing fire nozzle |
| CN110270041A (en) * | 2019-07-18 | 2019-09-24 | 成都福禄泰安全技术有限公司 | A kind of convertible driving structure for fire-fighting injection apparatus |
| CN210494985U (en) * | 2019-07-18 | 2020-05-12 | 成都福禄泰安全技术有限公司 | Fire-fighting gun body |
| CN213964932U (en) * | 2020-11-19 | 2021-08-17 | 成都福禄泰安全技术有限公司 | Fire water monitor head self-driven stepless swing system |
-
2020
- 2020-11-19 CN CN202011304305.3A patent/CN112263802A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569782A (en) * | 2009-05-22 | 2009-11-04 | 华东交通大学 | Folding hydraulic power auto- swing fire nozzle |
| CN110270041A (en) * | 2019-07-18 | 2019-09-24 | 成都福禄泰安全技术有限公司 | A kind of convertible driving structure for fire-fighting injection apparatus |
| CN210494985U (en) * | 2019-07-18 | 2020-05-12 | 成都福禄泰安全技术有限公司 | Fire-fighting gun body |
| CN213964932U (en) * | 2020-11-19 | 2021-08-17 | 成都福禄泰安全技术有限公司 | Fire water monitor head self-driven stepless swing system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210126 |
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| RJ01 | Rejection of invention patent application after publication |