CN107715351A - Fire water monitor head and fire water monitor - Google Patents
Fire water monitor head and fire water monitor Download PDFInfo
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- CN107715351A CN107715351A CN201711161211.3A CN201711161211A CN107715351A CN 107715351 A CN107715351 A CN 107715351A CN 201711161211 A CN201711161211 A CN 201711161211A CN 107715351 A CN107715351 A CN 107715351A
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- China
- Prior art keywords
- spray core
- fire water
- water monitor
- elastic component
- core
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- 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
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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)
- Nozzles (AREA)
Abstract
The present invention relates to a kind of fire water monitor head and fire water monitor, wherein fire water monitor head includes water stream channel, spray core (8) and elastic component (9), spray core (8) is arranged on the exit of water stream channel, spray core (8) is acted on elastic component (9), spray core (8) can overcome the elastic force of elastic component (9) when being acted on by hydraulic pressure and be moved relative to water stream channel, so as to change the area of passage of outlet.The present invention is by setting elastic component, when spray core is acted on by hydraulic pressure, spray core can overcome the elastic force of elastic component and be moved relative to water stream channel, so as to change the area of passage of outlet, and the setting of elastic component can be such that the area of passage of outlet is adaptively automatically adjusted with the change of water flow, when water flow is larger, outlet area of passage is larger, meets that big flow sprays demand;When water flow is smaller, outlet area of passage is smaller, realizes that low discharge remotely sprays, so as to meet different fire extinguishing demands.
Description
Technical field
The present invention relates to fire-fighting equipment technical field, more particularly to a kind of fire water monitor head and fire water monitor.
Background technology
Fire water monitor is the visual plant of remote fire-fighting fire extinguishing, a critical component of the big gun head as fire water monitor, its
Structural behaviour quality directly determines the jet length and extinguishing effect of jet.
The jet of fire water monitor mainly has direct current and spraying two states.Direct jet is used for remote pointing fire-extinguishing, spray
Burning things which may cause a fire disaster and the oxygen around scene of fire can be then isolated by mist jet, prevent burning area from further expanding.Actually going out
During firer makees, to reach suppression fire spreading and putting out the effect of burning things which may cause a fire disaster, often burnt according to fire field environment change and the intensity of a fire strong and weak
Switch mode of jet, therefore direct current spray dual-purpose type fire monitor head is widely used.
But for existing fire water monitor head when switching mode of jet, operability is poor, in order to realize mode of jet energy
Enough switchings, the structure design of big gun head obtain especially complex, carry and use is all very inconvenient;In addition, the aperture area of big gun head can not
Adjust, the demand of variable-flow can not be adapted to, especially in condition of a fire complexity, the injection flow of big gun head, which can not be adjusted, may be delayed fire extinguishing
On opportunity, cause serious consequence.
It should be noted that the information for being disclosed in background of invention part is merely intended to totality of the increase to the present invention
The understanding of background, and be not construed as recognizing or imply the information structure in any form by those skilled in the art public affairs
The prior art known.
The content of the invention
The purpose of the present invention is to propose to a kind of fire water monitor head and fire water monitor, so that the area of passage of big gun head outlet can
To be automatically adjusted with water flow.
To achieve the above object, the invention provides a kind of fire water monitor head, including water stream channel, spray core and elasticity
Part, spray core are arranged on the exit of water stream channel, and spray core is acted on elastic component, and spray core can overcome when being acted on by hydraulic pressure
The elastic force of elastic component and moved relative to water stream channel, so as to change the area of passage of outlet.
Further, big gun head also includes guide, and the motion that guide is used for spray core is oriented to.
Further, guide includes support bar, and the first end of support bar is connected with baffle plate, and spray core and elastic component are set in
On support bar, one end of elastic component mutually leans with spray core, and the other end of elastic component mutually leans with baffle plate so that spray core by
Compression elastic piece and moved when being acted on to hydraulic pressure along support bar.
Further, spray core is hollow-core construction, and one end of elastic component is inserted in hollow-core construction.
Further, spray core is hollow-core construction, and the internal downstream of spray core is provided with spacing hole, baffle plate setting in spacing hole,
Baffle plate is slidingly sealed cooperation with spacing hole, and limits largest motion distance of the spray core relative to baffle plate by spacing hole.
Further, big gun head also includes adjustment structure, and adjustment structure is used for the pretightning force of regulation elasticity part.
Further, big gun head also includes connecting rod, and baffle plate setting is in connecting rod, and connecting rod is hollow-core construction, support bar
Insert in connecting rod, and coordinated with connecting rod by screw thread, support bar is provided with the boss for being used for holding out against spray core, to pass through regulation
Relative position between support bar and connecting rod and realize the regulation to the pretightning force of elastic component.
Further, big gun head includes gun tube and crossover connection, and gun tube is arranged with crossover connection and is connected, set between gun tube and crossover connection
There is adjusting means, adjusting means is used to adjust the relative position between gun tube and crossover connection, with by between crossover connection and gun tube
Relative motion realize big gun head direct current injection spray injection between switching.
Further, adjusting means includes motor, leading screw and bearing pin, and motor is arranged on gun tube, the first end of leading screw with
The driving axis connection of motor, the second end of leading screw are connected by bearing pin with crossover connection.
Further, adjusting means also includes push rod, the second end connection of push rod and leading screw, and push rod is provided with mounting hole,
Bearing pin is arranged in the connecting hole on crossover connection through mounting hole and insertion.
Further, big gun head also includes trunnion, and trunnion is connected with gun tube and in crossover connection, the inside of trunnion and gun tube
Water stream channel is formed, spray core includes head and afterbody, and the diameter on head is smaller than the diameter of afterbody, and the head of spray core is plugged in trunnion
Interior, trunnion is provided with the tilt outlet become larger along injection direction discharge area, and the afterbody of spray core can block tilt outlet.
Further, use and smoothly transit between the head of spray core and afterbody.
Further, big gun head also includes atomization gear ring, and atomization gear ring is connected to the downstream of crossover connection, is atomized the axial direction of gear ring
End face is provided with circumferentially distributed atomization tooth, so that current are by tilt outlet and flow through atomization tooth formation spraying.
Further, the circulation area of the nebulization channel formed between two neighboring atomization tooth is along injection direction by becoming greatly
It is small.
Further, atomization gear ring is removably mounted on crossover connection.
Further, big gun head also includes rectifier, and rectifier is arranged on the inside of water stream channel, and the second end of support bar is inserted
Enter in the centre bore of rectifier, and be fixedly connected with rectifier.
Further, spray core is hollow-core construction, and spray core is provided with through hole, so that current can flow into spray core by through hole
In hollow-core construction.
To achieve the above object, present invention also offers a kind of fire water monitor, including above-mentioned fire water monitor head.
Based on above-mentioned technical proposal, the present invention is by setting elastic component, when spray core is acted on by hydraulic pressure, spray core can with gram
Take the elastic force of elastic component and moved relative to water stream channel, so as to change the area of passage of outlet, and the setting of elastic component
The area of passage of outlet can be allow adaptively to be automatically adjusted with the change of water flow, when water flow is larger,
It is larger to export area of passage, meets that big flow sprays demand;When water flow is smaller, outlet area of passage is smaller, realizes rill
The long-range injection of amount, so as to meet different fire extinguishing demands.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the explosive view of fire water monitor head one embodiment of the present invention.
Fig. 2 be Fig. 1 embodiments in fire water monitor head assemble after stereogram.
Fig. 3 is internal structure schematic diagram of the fire water monitor head one embodiment of the present invention when crossover connection stretches out.
Fig. 4 is internal structure schematic diagram of the fire water monitor head one embodiment of the present invention when crossover connection is retracted.
Fig. 5 is the structural representation of spray core in fire water monitor head one embodiment of the present invention.
Fig. 6 is that gear ring structure schematic diagram is atomized in fire water monitor head one embodiment of the present invention.
In figure:
1st, flange;2nd, gun tube;3rd, crossover connection;4th, it is atomized gear ring;5th, trunnion;6th, rectifier;7th, support bar;8th, spray core;9、
Elastic component;10th, baffle plate;11st, connecting rod;12nd, outer cover;13rd, push rod;14th, bearing pin;15th, leading screw;16th, motor;17th, bolt;18、
Bolt;41st, it is atomized tooth;42nd, nebulization channel;71st, boss;81st, head;82nd, afterbody;83rd, through hole;84th, spacing hole;101st, it is recessed
Groove.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched
State.Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Bright embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " on ", " under ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the scope of the present invention.
With reference to shown in figure 1 and Fig. 2, in an illustrative examples of fire water monitor head provided by the present invention, disappear
Anti- water cannon big gun head includes water stream channel, spray core 8 and elastic component 9, and spray core 8 is arranged on the exit of water stream channel, and spray core 8 acts on
On elastic component 9, spray core 8 can overcome the elastic force of elastic component 9 when being acted on by hydraulic pressure and be moved relative to water stream channel, from
And change the area of passage of outlet.
By setting elastic component 9, when spray core 8 is acted on by hydraulic pressure, spray core 8 can overcome the elastic force of elastic component 9 and
Moved relative to water stream channel, so as to change the area of passage of outlet, and the setting of elastic component 9 can make the flow-passing surface of outlet
Product can adaptively automatically adjust with the change of water flow, and when water flow is larger, outlet area of passage is larger, full
Sufficient big flow sprays demand;When water flow is smaller, outlet area of passage is smaller, realizes that low discharge remotely sprays, so as to meet
Different fire extinguishing demands.
In above-mentioned illustrative examples, spray core 8 is acted on elastic component 9 can make bullet when being meant that the motion of spray core 8
Property part 9 is stretched or compressed, and the specific arrangement or connected mode between spray core 8 and elastic component 9 do not make too many restrictions then.
In one embodiment, spray core 8 can be arranged on the upstream of elastic component 9, when spray core 8 is acted on by hydraulic pressure, spray
Core 8 moves towards close to the direction of elastic component 9, and compression elastic piece 9;When hydraulic pressure change is small, spray core 8 is away from elastic component 9, elasticity
The recoverable force of part 9.
In another embodiment, spray core 8 can be arranged on the downstream of elastic component 9, when spray core 8 is acted on by hydraulic pressure,
Spray core 8 is moved away from the direction of elastic component 9, and draw springs 9;When hydraulic pressure change is small, spray core 8 is close to elastic component 9, bullet
The recoverable force of property part 9.
Alternatively, elastic component 9 is spring.Elastic component 9 can also be other flexible structures.
Further, big gun head can also include guide, and the motion that guide is used for spray core 8 is oriented to.By setting
Guide is put, spray core 8 can be made to be moved along predetermined paths, prevents spray core 8 from disordered motion occur, influences jet effect.
Specifically, as shown in Figure 3 and Figure 4, guide includes support bar 7, and the first end of support bar 7 is connected with baffle plate
10, spray core 8 and elastic component 9 are set on support bar 7, and one end and the spray core 8 of elastic component 9 mutually lean, the other end of elastic component 9
Mutually leaned with baffle plate 10, so that spray core 8 compression elastic piece 9 and is moved when being acted on by hydraulic pressure along support bar 7.
Alternatively, one end of elastic component 9 can also be fixedly connected with spray core 8, and the other end and the baffle plate 10 of elastic component 9 also may be used
To be fixedly connected.
Alternatively, spray core 8 is hollow-core construction, and one end of elastic component 9 is inserted in hollow-core construction.The benefit so set is,
The overall structure of big gun head can be made compacter, reduce the total length of big gun head, improve the operation convenience of fire water monitor.
When spray core 8 is hollow-core construction, the internal downstream of spray core 8 can set spacing hole 84, and baffle plate 10 is arranged on spacing
In hole 84, baffle plate 10 is slidingly sealed cooperation with spacing hole 84, and limits maximum of the spray core 8 relative to baffle plate 10 by spacing hole 84
Move distance.By setting spacing hole 84, the excessive movement when hydraulic pressure is larger of spray core 8 can be prevented, avoids spray core 8 from projecting big gun
Head, the damage of big gun head is caused, influence the normal use of fire water monitor.
Alternatively, big gun head also includes adjustment structure, and adjustment structure is used for the pretightning force of regulation elasticity part 9.Adjusted by setting
Nodule structure, the change of water flow can be better adapted to the pretightning force of regulation elasticity part 9.
Specifically, as shown in Figure 4 and Figure 5, big gun head also includes connecting rod 11, and baffle plate 10 is arranged in connecting rod 11, connection
Bar 11 is hollow-core construction, and support bar 7 is inserted in connecting rod 11, and is coordinated with connecting rod 11 by screw thread, and support bar 7, which is provided with, to be used
In the boss 71 for holding out against spray core 8, to be realized by adjusting the relative position between support bar 7 and connecting rod 11 to elastic component 9
Pretightning force regulation.
In the pretightning force of regulation elasticity part 9, left end and the boss 71 of spray core 8 mutually lean, and spray core 8 can not continue to the left
Motion, the left end of elastic component 9 are mutually leaned or are fixedly connected with the interior forward end of spray core 8, right-hand member and the baffle plate 10 of elastic component 9
Mutually lean or be fixedly connected, support bar 7 is inserted in the hollow-core construction of connecting rod 11, and by the external screw thread of support bar 7 with
Cooperation between the internal thread of connecting rod 11 is fixedly connected, after support bar 7 and connecting rod 11 connect, support bar 7 with
Relative position between connecting rod 11 is fixed, and the decrement of elastic component 9 is fixed, and pretightning force determines that.By adjusting support bar 7
With the relative position between connecting rod 11, thus it is possible to vary the pretightning force of elastic component 9, when connecting rod 11 relative to support bar 7 to the left
During motion, pretightning force increase;When connecting rod 11 moves right relative to support bar 7, pretightning force reduces.
Coordinate above by the screw thread of connecting rod 11 and support bar 7 and the mode of pretightning force regulation is had the advantage that to realize
It is that connecting rod 11 mutually can both lean or be fixedly connected with one end of elastic component 9, again as the load bearing component of baffle plate 10
Part can be realized as the regulating member of pretightning force, by the default decrement of spinning movement regulation elasticity part 9
A variety of functions, it can not only simplify structure, make more compact structure, manufacture, installation and operation difficulty can also be reduced, saved into
This.
A kind of specific embodiment of the connecting rod 11 only as above-mentioned adjustment structure, in addition to above-mentioned regulative mode,
The structure that other can be used to adjust pretightning force.
Alternatively, boss 71 set on support bar 7 is it can also be provided that adjustable structure, with from the double of support bar 7
It is adjusted to pretightning force.
Alternatively, connecting rod 11 is integrally formed with baffle plate 10, convenient installation, can also more easily regulation elasticity part 9
Pretightning force.
In one embodiment of fire water monitor head of the present invention, big gun head can include gun tube 2 and crossover connection 3, gun tube 2 with
Crossover connection 3 is arranged connection, and adjusting means is provided between gun tube 2 and crossover connection 3, and adjusting means is used to adjust gun tube 2 and crossover connection 3
Between relative position, with by the relative motion between crossover connection 3 and gun tube 2 realize big gun head direct current injection and spray injection
Between switching.By setting adjusting means, the change of the relative position between gun tube 2 and crossover connection 3 can be conveniently realized,
To realize that switching of the big gun head between direct current injection and spray injection provides support.
Wherein, adjusting means may be used to crossover connection 3 and be moved relative to gun tube 2, can be used for making gun tube 2 relative to
Crossover connection 3 moves, and can be also used for making gun tube 2 and crossover connection 3 while moves.
In one embodiment, adjusting means includes motor 16, leading screw 15 and bearing pin 14, and motor 16 is arranged on gun tube 2,
The first end of leading screw 15 and the driving axis connection of motor 16, the second end of leading screw 15 is connected by bearing pin 14 with crossover connection 3.Its
In, motor 16 can select planetary reducing motor, coordinate leading screw 15 and bearing pin 14, can improve the reliable transmission of adjusting means
Property, transmission efficiency, moment of torsion is big, and driving member is few, and overall structure is compacter.
Further, adjusting means can also include push rod 13, and push rod 13 is connected with the second end of leading screw 15, on push rod 13
Provided with mounting hole, bearing pin 14 is arranged in the connecting hole on crossover connection 3 through mounting hole and insertion., can by setting push rod 13
To lengthen the length of leading screw 15, when the limited length of leading screw 15, push rod 13 can ensure the connection of gun tube 2 and crossover connection 3.It is logical
The convert rotational motion for crossing motor 16 and leading screw 15 is push rod 13 and the linear motion of crossover connection 3, effectively adjusts gun tube 2 and conversion
Relative position between pipe 3.
As shown in figure 3, motor 16 drives leading screw 15 and push rod 13 to move right, crossover connection 3 is promoted to be stretched relative to gun tube 2
Go out, big gun head enters direct current jet mode;As shown in figure 4, motor 16 drives leading screw 15 and push rod 13 to drive crossover connection to left movement
3 retract relative to gun tube 2, and big gun head enters spray injection pattern.
Further, big gun head also includes trunnion 5, and trunnion 5 is connected with gun tube 2 and in crossover connection 3, trunnion 5 and gun tube 2
Be internally formed water stream channel, spray core 8 includes head 81 and afterbody 82, and the diameter on head 81 is smaller than the diameter of afterbody 82, spray core 8
Head 81 be plugged in trunnion 5, trunnion 5 is provided with the tilt outlet that is become larger along injection direction discharge area, the tail of spray core 8
Portion 82 can block tilt outlet.In original state, the afterbody 82 of spray core 8 blocks tilt outlet;When spray core 8 is made in hydraulic pressure
When being moved right under, the area of passage of tilt outlet gradually increases, and current can normally spray.
Diameter difference between the head 81 of spray core 8 and afterbody 82 is larger, can make jet head 81 and afterbody 82 it
Between transition region formed negative pressuren zone, be internal and external flow field boundary position, make effluxvelocity bigger, jet is more concentrated.
Alternatively, the outline of spray core 8 can so be made using smoothly transitting between the head 81 of spray core 8 and afterbody 82
Curve meets fluid contraction characteristic as far as possible, avoids causing overflow section to dash forward because the diameter of head 81 and afterbody 82 difference is larger
Become, cause the out-of-date generation energy loss of fluid stream.Specifically, can be bent to the outline of spray core 8 by fluid emulation analysis means
Line optimizes.
Further, big gun head also includes atomization gear ring 4, and atomization gear ring 4 is connected to the downstream of crossover connection 3, atomization gear ring 4
Axial end is provided with circumferentially distributed atomization tooth 41, so that current are by tilt outlet and flow through the atomization formation spray of tooth 41
Mist.By set be atomized gear ring 4, be advantageous to accelerate jet crushing, by jet it is dispersed be fine mist, for putting out low coverage
From large area small fire.
Alternatively, axial end of the tooth 41 along atomization gear ring 4 is atomized to be evenly arranged, so not only atomizing effect is preferable, and
And it is easy to manufacture.
Preferably, the circulation area of the nebulization channel 42 formed between two neighboring atomization tooth 41 is along injection direction by big
Diminish.So setting can be such that injection water first shrinks spreads afterwards, is advantageous to improve effluxvelocity, range is farther.
It is further preferred that the circulation area edge injection side of the nebulization channel 42 formed between two neighboring atomization tooth 41
To tapering into.
Alternatively, atomization gear ring 4 is removably mounted on crossover connection 3.It is detachable for monolithic construction
Mounting means manufacture difficulty it is lower.
Specifically, as shown in Fig. 2 atomization gear ring 4 is arranged on by bolt 17 on the axial outer end face of crossover connection 3.Atomization
The periphery of gear ring 4 can set outer cover 12, to prevent jet from bleeding around, be advantageous to make jet more concentrate.
Big gun head can also include rectifier 6, and rectifier 6 is arranged on the inside of water stream channel, the second end insertion of support bar 7
In the centre bore of rectifier 6, and it is fixedly connected with rectifier 6.
Alternatively, rectifier 6 uses petal type structure, can reduce turbulent flow phenomenon, ensures the motion stabilization of spray core 8, makes to penetrate
Stream is more concentrated, and range is farther.
In addition, when spray core 8 is hollow-core construction, through hole 83 can be set in spray core 8, so that current can be flowed by through hole 83
In the hollow-core construction for entering spray core 8, keep the inside and outside differential pressure of spray core 8 constant, protect spray core 8.
Based on above-mentioned fire water monitor head, the present invention also proposes a kind of fire water monitor, and the fire water monitor includes above-mentioned
Fire water monitor head.Positive technique effect is equally applicable to fire water possessed by fire water monitor head in above-mentioned each embodiment
Big gun, repeat no more here.
The concrete structure of one embodiment of 1~6 pair of fire water monitor head and fire water monitor of the present invention below in conjunction with the accompanying drawings
Illustrated with the course of work:
As depicted in figs. 1 and 2, fire water monitor head mainly includes:Flange 1, gun tube 2, crossover connection 3, atomization gear ring 4, larynx
Pipe 5, rectifier 6, support bar 7, spray core 8, elastic component 9, baffle plate 10, connecting rod 11, outer cover 12, push rod 13, bearing pin 14, leading screw 15
With motor 16.
As illustrated in figures 3-6, big gun head is connected by flange 1 with the barrel of fire water monitor, and gun tube 2 is connected with flange 1, conversion
Pipe 3 is set in the periphery of gun tube 2, and crossover connection 3 can move relative to gun tube 2, and rectifier 6 loads in gun tube 2 from right side, trunnion
5 left side holds out against rectifier 6, fixes rectifier 6, and trunnion 5 is connected through a screw thread with gun tube 2, is set between trunnion 5 and gun tube 2
There is sealing ring, sealing ring also is provided between trunnion 5 and crossover connection 3.
Spray core 8 and elastic component 9 are set on support bar 7, and support bar 7 is out of right side insertion trunnion 5, the left end of support bar 7
Penetrate in the centre bore of rectifier 6, and be fixedly connected with support bar 7 with rectifier 6 by bolt 18.The right-hand member of support bar 7 is inserted
Enter in connecting rod 11, and be connected through a screw thread with connecting rod 11, baffle plate 10 is set in the periphery of connecting rod 11, and baffle plate 10 is with connecting
Extension bar 11 is integrally formed.One end of elastic component 9 acts against the interior forward end of spray core 8, and the other end is acted against on baffle plate 10.Baffle plate 10
It is slidably matched with the hole wall of the spacing hole 84 of spray core 8, spray core 8 can be moved relative to baffle plate 10, and the periphery of baffle plate 10 is provided with
Groove 101, groove 101 is interior to be provided with sealing ring, to realize that the sealing between baffle plate 10 and the hole wall of spacing hole 84 coordinates, prevents from leading to
Cross the current outflow that through hole 83 enters inside spray core 8.The head 81 of spray core 8 is inserted inside trunnion 5, and head 81 acts against support bar
, can be with the pretightning force of regulation elasticity part 9 by adjusting the screw thread between connecting rod 11 and support bar 7 on 7 boss 71.Spray core 8
The tilt outlet of afterbody 82 and trunnion 5 cooperate.
Atomization gear ring 4 is removably mounted on the right side axial end of crossover connection 3 by bolt 17, atomization gear ring 4
Periphery is provided with outer cover 12.Nebulization channel 42, the stream of nebulization channel 42 are formed between two adjacent atomization teeth 41 being atomized on gear ring 4
Logical area along jet direction from large to small.
Motor 16 is arranged on by mounting seat on boss set on the periphery of gun tube 2, the drive end and silk of motor 16
Thick stick 15 is connected, and leading screw 15 is connected with push rod 13, and push rod 13 is connected by bearing pin 14 with crossover connection 3.
During work, current reach big gun head after, spray core 8 by current impulsive force when, hydraulic pressure effect under, spray core 8 along
Support bar 7 is subjected to displacement, and elastic component 9 is compressed, and what is formed between the afterbody 82 of spray core 8 and the tilt outlet of trunnion 5 opens
Mouthful be gradually opened, big gun capitiform circlewise exports, jet injection, and the area of passage of jet exit can with flow and pressure and from
Adapt to change, optimal range is realized under each operating mode.
When motor 16 rotates forward, and is travelled forward by motor 16 and the driving push rod 13 of leading screw 15, crossover connection 3 is relative to gun tube
2 stretch out, and the opening that current are formed between the afterbody 82 of spray core 8 and the tilt outlet of trunnion 5 sprays, after the reflection of trunnion 5,
Converted pipe 3 is reflected again, and final current form direct current injection, and now current are projected by being atomized the center section of gear ring 4, therefore
Atomization gear ring 4 does not work;
When motor 16 inverts, and is moved backward by motor 16 and the driving push rod 13 of leading screw 15, crossover connection 3 is relative to gun tube
2 retract, and the opening that current are formed between the afterbody 82 of spray core 8 and the tilt outlet of trunnion 5 sprays, and are reflected through trunnion 5 logical
The nebulization channel 42 that is formed of atomization tooth 41 for crossing atomization gear ring 4 sprays, and current form spraying, available for isolation burning things which may cause a fire disaster and sky
Gas, the intensity of a fire is prevented further to spread.
Pass through the explanation to fire water monitor head of the present invention and multiple embodiments of fire water monitor, it can be seen that the present invention disappears
Anti- water cannon big gun head and fire water monitor embodiment at least have one or more of advantage:
1st, by setting elastic component, can make area of passage that big gun head exports with the change of water flow and adaptively from
Dynamic regulation, realizes optimal range under each operating mode;
2nd, spray core uses hollow-core construction, and structure is compacter;
3rd, using the adjusting means being formed by combining by motor, leading screw and push rod, transmission can be made relatively reliable, driving member
Few, moment of torsion is big, acts fast accurate;
4th, the pretightning force of elastic component is adjustable, adapts to different hydraulic pressure sizes;
The 5th, rectifier is installed, effectively reduce turbulent flow phenomenon, range is more concentrated, and also add atomization tooth, spraying jet effect
Lifting is obvious, can both put out remote fire, can also put out closely large area fire.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that:Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics;Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (18)
- A kind of 1. fire water monitor head, it is characterised in that including water stream channel, spray core (8) and elastic component (9), the spray core (8) Be arranged on the exit of the water stream channel, the spray core (8) is acted on the elastic component (9), the spray core (8) by Hydraulic pressure can overcome the elastic force of the elastic component (9) and be moved relative to the water stream channel when acting on, described so as to change The area of passage of outlet.
- 2. fire water monitor head according to claim 1, it is characterised in that the big gun head also includes guide, described to lead The motion being used for part to the spray core (8) is oriented to.
- 3. fire water monitor head according to claim 2, it is characterised in that the guide includes support bar (7), described The first end of support bar (7) is connected with baffle plate (10), and the spray core (8) and the elastic component (9) are set in the support bar (7) On, one end and the spray core (8) of the elastic component (9) mutually lean, the other end and the baffle plate of the elastic component (9) (10) mutually lean, so that the spray core (8) compresses the elastic component (9) when being acted on by hydraulic pressure and along the support bar (7) move.
- 4. fire water monitor head according to claim 3, it is characterised in that the spray core (8) is hollow-core construction, the bullet Property part (9) one end insert in the hollow-core construction.
- 5. fire water monitor head according to claim 3, it is characterised in that the spray core (8) is hollow-core construction, the spray The internal downstream of core (8) is provided with spacing hole (84), and the baffle plate (10) is arranged in the spacing hole (84), the baffle plate (10) Cooperation is slidingly sealed with the spacing hole (84), and the spray core (8) is limited relative to the gear by the spacing hole (84) The largest motion distance of plate (10).
- 6. fire water monitor head according to claim 1, it is characterised in that the big gun head also includes adjustment structure, described Adjustment structure is used for the pretightning force for adjusting the elastic component (9).
- 7. fire water monitor head according to claim 3, it is characterised in that the big gun head also includes connecting rod (11), institute State baffle plate (10) to be arranged in the connecting rod (11), the connecting rod (11) is hollow-core construction, and the support bar (7) inserts institute State in connecting rod (11), and coordinated with the connecting rod (11) by screw thread, the support bar (7) is provided with described for holding out against The boss (71) of spray core (8), to be realized by adjusting the relative position between the support bar (7) and the connecting rod (11) Regulation to the pretightning force of the elastic component (9).
- 8. according to the fire water monitor head described in any one of claim 1~7, it is characterised in that the big gun head includes gun tube (2) With crossover connection (3), the gun tube (2) is arranged with the crossover connection (3) to be connected, between the gun tube (2) and the crossover connection (3) Provided with adjusting means, the adjusting means is used to adjust the relative position between the gun tube (2) and the crossover connection (3), with Realize the big gun head in direct current injection and spray injection by the relative motion between the crossover connection (3) and the gun tube (2) Between switching.
- 9. fire water monitor head according to claim 8, it is characterised in that the adjusting means includes motor (16), silk Thick stick (15) and bearing pin (14), the motor (16) are arranged on the gun tube (2), first end and the electricity of the leading screw (15) The driving axis connection of machine (16), the second end of the leading screw (15) are connected by the bearing pin (14) with the crossover connection (3).
- 10. fire water monitor head according to claim 9, it is characterised in that the adjusting means also includes push rod (13), The push rod (13) is connected with the second end of the leading screw (15), and the push rod (13) is provided with mounting hole, the bearing pin (14) Through the mounting hole and insert in the connecting hole being arranged on the crossover connection (3).
- 11. fire water monitor head according to claim 8, it is characterised in that the big gun head also includes trunnion (5), described Trunnion (5) is connected with the gun tube (2) and in the crossover connection (3), the trunnion (5) and the inside of the gun tube (2) The water stream channel is formed, the spray core (8) includes head (81) and afterbody (82), and the diameter of the head (81) is than the tail The diameter in portion (82) is small, and the head (81) of the spray core (8) is plugged in the trunnion (5), and the trunnion (5) is provided with along injection The tilt outlet that direction discharge area becomes larger, the afterbody (82) of the spray core (8) can block the tilt outlet.
- 12. fire water monitor head according to claim 11, it is characterised in that the head (81) of the spray core (8) and tail Use and smoothly transit between portion (82).
- 13. fire water monitor head according to claim 11, it is characterised in that the big gun head also includes atomization gear ring (4), The atomization gear ring (4) is connected to the downstream of the crossover connection (3), and the axial end of the atomization gear ring (4) was provided with along week To the atomization tooth (41) of distribution, so that current are by the tilt outlet and flow through atomization tooth (41) the formation spraying.
- 14. fire water monitor head according to claim 13, it is characterised in that between the two neighboring atomization tooth (41) The circulation area of the nebulization channel (41) formed along injection direction from large to small.
- 15. fire water monitor head according to claim 13, it is characterised in that the atomization gear ring (4) is removably pacified On the crossover connection (3).
- 16. fire water monitor head according to claim 3, it is characterised in that the big gun head also includes rectifier (6), institute The inside that rectifier (6) is arranged on the water stream channel is stated, the rectifier (6) is inserted at the second end of the support bar (7) In centre bore, and it is fixedly connected with the rectifier (6).
- 17. according to the fire water monitor head described in any one of claim 1~7, it is characterised in that the spray core (8) is hollow Structure, the spray core (8) are provided with through hole (83), so that current can flow into the spray core (8) by the through hole (83) In hollow-core construction.
- 18. a kind of fire water monitor, it is characterised in that including the fire water monitor head as described in any one of claim 1~17.
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CN201711161211.3A CN107715351A (en) | 2017-11-21 | 2017-11-21 | Fire water monitor head and fire water monitor |
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CN201711161211.3A CN107715351A (en) | 2017-11-21 | 2017-11-21 | Fire water monitor head and fire water monitor |
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Cited By (6)
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CN109350897A (en) * | 2018-09-30 | 2019-02-19 | 燕山大学 | A kind of fire water monitor head |
CN110652682A (en) * | 2019-10-30 | 2020-01-07 | 江西荣和特种消防设备制造有限公司 | Large-traffic self-adaptation big gun head |
CN111184971A (en) * | 2020-02-18 | 2020-05-22 | 苏州海星海事装备股份有限公司 | Reflecting hollow conical fire water monitor nozzle |
CN111388924A (en) * | 2020-03-24 | 2020-07-10 | 燕山大学 | Fire water monitor |
CN113533099A (en) * | 2021-06-29 | 2021-10-22 | 哈尔滨工程大学 | Ball cap type high-speed water jet gun head for water jet ice breaking experiment |
CN115430085A (en) * | 2022-08-23 | 2022-12-06 | 国网安徽省电力有限公司电力科学研究院 | Fire monitor with throttling device |
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CN113533099A (en) * | 2021-06-29 | 2021-10-22 | 哈尔滨工程大学 | Ball cap type high-speed water jet gun head for water jet ice breaking experiment |
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CN115430085A (en) * | 2022-08-23 | 2022-12-06 | 国网安徽省电力有限公司电力科学研究院 | Fire monitor with throttling device |
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Effective date of registration: 20220726 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
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Application publication date: 20180223 |
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