CN108507408A - A kind of law enforcement water cannon peculiar to vessel - Google Patents
A kind of law enforcement water cannon peculiar to vessel Download PDFInfo
- Publication number
- CN108507408A CN108507408A CN201810504986.4A CN201810504986A CN108507408A CN 108507408 A CN108507408 A CN 108507408A CN 201810504986 A CN201810504986 A CN 201810504986A CN 108507408 A CN108507408 A CN 108507408A
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- China
- Prior art keywords
- current stabilization
- water cannon
- section
- peculiar
- law enforcement
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Special Spraying Apparatus (AREA)
Abstract
A kind of law enforcement water cannon peculiar to vessel is provided between pedestal and barrel and controls its transfer horizontally rotated；Barrel is set as detour shape, and the elevation mount of control big gun brilliance degree is provided between barrel and big gun head；Big gun head includes bend pipe, and one end of bend pipe is connected with elevation mount, and the other end is connected with rectification section；Rectification section right end is disposed with current stabilization speedup section and current stabilization jet segment；Bend pipe is internally provided with the deflector of arc；Rectification section left end is provided with cowling panel, and right end is provided with flow straightener；Current stabilization speedup section is set as taper, to improve the flow velocity of water cannon；Current stabilization jet segment is set as taper, and taper is less than the taper of current stabilization speedup section；The configuration of the present invention is simple, it is ingenious in design, effectively a large amount of turbulent flows generated by barrel bent angle are eliminated, keep turbulence intensity in the water column of water cannon injection minimum, the range for not only increasing water cannon expands strike range, and optimizes water column molding effect, beating dynamics is enhanced, application value is big.
Description
Technical field
The present invention relates to water cannon field more particularly to a kind of law enforcement water cannons peculiar to vessel.
Background technology
The law enforcement means of existing country's public affair ship are frequently with close to by law enforcement ship, law enfrocement official jumps to by law enforcement ship by force
On, directly control law enforcement object；This law enforcement mode, which is encountered, is resisted by law enforcement object or when stormy waves is larger, law enfrocement official and is held
All there is security risk in method object；With the attention and development of marine right-safeguarding, largely installation is held on the newly-built public affair ship in the country
Method water cannon device is carried out and carries out expulsion and soft strike to illegal ship at a distance, safeguards China's sovereignty over territorial waters；China's public affair at present
The law enforcement water cannon installed on ship be mostly land fire-fighting domain fire water monitor repacking, however land it is small with fire water monitor range region,
It is not strong to pat power；Therefore need to design a kind of water cannon far firing range, water column pats the strong water cannon of power.
Invention content
It is simple in sturcture, ingenious in design it is an object of the present invention to provide a kind of law enforcement water cannon peculiar to vessel, far firing range, water column forming effect
Fruit is good, it is strong to pat power, solves the above technical problem.
In order to achieve the above technical purposes, reach above-mentioned technology requirement, the technical solution adopted in the present invention is：It is a kind of
Law enforcement water cannon peculiar to vessel, including pedestal, the barrel being mounted on the base, the big gun head for emitting water cannon；It is characterized in that：Described
It is provided between pedestal and barrel and controls its transfer horizontally rotated；The barrel is set as detour shape, barrel with
The elevation mount of control big gun brilliance degree is provided between big gun head；The big gun head includes bend pipe, one end of bend pipe and elevation mount
It is connected, the other end is connected with rectification section；Rectification section right end is disposed with current stabilization speedup section and current stabilization jet segment；The bend pipe
It is internally provided with the deflector of arc；The rectification section left end is provided with cowling panel, and right end is provided with flow straightener；Described
Current stabilization speedup section is set as taper, to improve the flow velocity of water cannon；The current stabilization jet segment is set as taper, and taper is less than steady
Flow the taper of speedup section.
Preferably：The radian of the deflector is identical as bend pipe radian, and 2/5ths pipes are arranged on the outside of away from bend pipe
The side of the position of diameter, deflector is provided with circular arc chamfering to reduce vortex.
Preferably：The cowling panel includes horizontally disposed four pieces of rectangular slabs parallel to each other, respectively the first rectangle
Plate, the second rectangular slab, third rectangular slab, the 4th rectangular slab, often the spacing between adjacent two pieces of rectangular slabs is identical；Wherein the second square
The position of shape plate is corresponding with the end of deflector, is disposed on the same plane.
Preferably：The flow straightener includes four pieces of transverse slats and four pieces of risers, orthogonal and equal between transverse slat and riser
Even arrangement forms several water stream channels, with to the further current stabilization of flow after rectification.
Preferably：The side of the transverse slat and riser is both provided with circular arc chamfering to reduce vortex.
Preferably：The current stabilization speedup section for being set as taper, cone angle are less than or equal to 15 °.
Preferably：It is set as flanged joint between the bend pipe and rectification section, is set between current stabilization speedup section and rectification section
It is set to threaded connection, is set as being threadedly coupled between current stabilization jet segment and current stabilization speedup section.
Preferably：The inner wall rounding off of the current stabilization speedup section and current stabilization jet segment is handled.
Beneficial effects of the present invention；A kind of law enforcement water cannon peculiar to vessel, reasonable for structure, easy to operate, effect protrudes；With conventional junction
Structure is compared：The radian of deflector is identical as bend pipe radian, and the position of 2/5ths calibers is arranged on the outside of away from bend pipe, convenient for big
Part sinuous flow focuses on the center of the second cowling panel, and turbulent flow is reduced with rectification；Rectification section left end is provided with cowling panel, plays
Rolling flow in bend pipe is combed to the effect for the flow that is in line, the effect of rectification section is to reduce the turbulent flow of direct current beam, rectification section
Right end is provided with flow straightener, further to be combed to a fluid stream；Current stabilization speedup section is set as pyramidal structure, to improve water cannon
Flow velocity, current stabilization speedup section right end are provided with current stabilization jet segment, so that flow further decreases turbulent flow, improve speed, eject big gun
Mouthful；The side of deflector, cowling panel and flow straightener is both provided with circular arc chamfering, to reduce vortex；The configuration of the present invention is simple, design
It is ingenious, effectively a large amount of turbulent flows generated by a few place's bent angles of barrel are eliminated, make turbulence intensity in the water column of water cannon injection
It is minimum, the range of water cannon is not only increased, strike range is expanded, and optimizes water column molding effect, enhances beating power
Degree, application value are big.
Description of the drawings
Fig. 1 is overall structure of the present invention
Fig. 2 is big gun header structure schematic diagram in Fig. 1；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is A-A sectional views in Fig. 3；
Fig. 5 is B-B sectional views in Fig. 3；
Fig. 6 is C-C sectional views in Fig. 3；
In figure：1, pedestal；2, transfer；3, barrel；4, elevation mount；5, bend pipe；6, big gun head；7, deflector；8, rectification
Plate；9, rectification section；10, flow straightener；11, current stabilization speedup section；12, current stabilization jet segment；8-1, the first rectangular slab；8-2, the second rectangle
Plate；8-3, third rectangular slab；8-4, the 4th rectangular slab.
Specific implementation mode
In order to make goal of the invention, technical solution and its advantageous effects of the present invention be more clear, below in conjunction with attached drawing
And specific implementation mode, the present invention will be described in further detail；
In attached drawing 1-6：A kind of law enforcement water cannon peculiar to vessel, including pedestal 1, the barrel 3 being mounted on the base, for emitting water cannon
Big gun head 6；It is characterized in that：The transfer 2 that setting control barrel horizontally rotates between the pedestal 1 and barrel 3, it is described
Barrel 3 is set as detour shape；The elevation mount 4 of control big gun brilliance degree is provided between barrel 3 and big gun head 6；The big gun head 6 wraps
Bend pipe 5 is included, one end of bend pipe 5 is connected with elevation mount 4, and the other end is connected with rectification section 9；9 right end of rectification section is disposed with
Current stabilization speedup section 11 and current stabilization jet segment 12；The bend pipe 5 is internally provided with the deflector 7 of arc；The rectification section 9 is left
End is provided with cowling panel 8, and right end is provided with flow straightener 10；The current stabilization speedup section 11 is set as taper, to improve water cannon
Flow velocity；The current stabilization jet segment 12 is set as taper, and taper is less than the taper of current stabilization speedup section.
The radian of the deflector 7 is identical as bend pipe radian, and the position of 2/5ths calibers is arranged on the outside of away from bend pipe
It sets, the side of water conservancy diversion 7 is provided with circular arc chamfering to reduce vortex；The cowling panel 8 includes horizontally disposed four pieces mutually equal
Capable rectangular slab, respectively the first rectangular slab 8-1, the second rectangular slab 8-2, third rectangular slab 8-3, the 4th rectangular slab 8-4, per phase
Spacing between adjacent two pieces of rectangular slabs is identical；The position of wherein the second rectangular slab 8-2 is corresponding with the end of deflector 7, setting
In the same plane；The flow straightener 10 includes four pieces of transverse slats and four pieces of risers, orthogonal and equal between transverse slat and riser
Even arrangement forms several water stream channels, with to the further current stabilization of flow after rectification；The side of the transverse slat and riser is all provided with
Circular arc chamfering is equipped with to reduce vortex；The current stabilization speedup section 11 for being set as taper, cone angle are less than or equal to 15 °；It is described
Bend pipe 5 and rectification section 9 between be set as flanged joint, be set as being threadedly coupled between current stabilization speedup section 11 and rectification section 9, surely
It is set as being threadedly coupled between stream jet segment 12 and current stabilization speedup section 11；In the current stabilization speedup section 11 and current stabilization jet segment 12
The processing of wall rounding off.
The specific implementation of the present invention：Referring to Fig. 1-3, a kind of law enforcement water cannon device peculiar to vessel, pedestal and consolidating on ship deck
Determine device connection, thus flow enters law enforcement water cannon；Transfer 2 between pedestal 1 and barrel 1, by motor control or
Person manually controls the adjustment for realizing water cannon emission level angle；Elevation mount 4 between barrel 3 and bend pipe 5, by motor or
Manually control the adjustment for realizing water cannon transmitting pitch angle；Big gun head 6 mainly makes flow become straight by cowling panel 8 and flow straightener 10
Line stream is shot out from big gun hair.
Cowling panel 8,7 end of deflector and rectification are set at 5 inside setting deflector 7 of bend pipe of the present invention, 9 left end of rectification section
Second rectangular slab 8-2 alignment of plate 8, deflector 7 and 2/5 that 5 outer lateral extent of bend pipe is caliber；Deflector 7 coordinates with cowling panel 8
It uses so that the center of cowling panel 8 is concentrated on by the flow rate of water flow of bend pipe 5, purpose makes the flow velocity into cowling panel 8 exist
Speed is uniform on cross section, reaches maximum rectification effect in the minimum distance of rectification section 9 convenient for flow；The rectification section of big gun head
Flow straightener 10 is equipped between 9 and current stabilization speedup section 11, flow straightener 10 forms mesh-structured, 10 liang of flow straightener using transverse slat and riser
End is with arc angle transition, and to the further current stabilization of flow after rectification, arc angle transition can reduce the vortex intensity of flow straightener both sides；Water
Stream further decreases turbulence intensity, water after water cannon 6 projects after flow straightener 10 by current stabilization speedup section 11 and current stabilization jet segment 12
Column molding effect is preferable, ensure that the range of water cannon and the molding effect of water column.
Water cannon carries out water cannon angle control using motor, to realize that rapid strike by target, improves blow efficiency, water
Big gun is eliminated a large amount of turbulent flows generated by barrel many places bent angle, is made using bend pipe inner deflector, cowling panel, flow straightener
Turbulence intensity is minimum in the water column that water cannon projects, and to improve the range and water column molding effect of water cannon, increases striking distance and bat
The dynamics of beating.
The controller of control water cannon is placed in operating room, so that operating personnel preferably operate water cannon device, and operator
Member's object observing trend in operating room, more accurately to being hit by target；Water cannon pump, step-up gear, height
Shaft coupling is played to be arranged in power cabin.
The present invention can be used on all public affair type ships with law enforcement functional requirement, and application value is big.
Above-described embodiment is only intended to clearly illustrate made by the present invention and describes, and does not limit the embodiments,
To those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
Dynamic, there is no necessity and possibility to exhaust all the enbodiments, and the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (8)
1. a kind of law enforcement water cannon peculiar to vessel, including pedestal（1）, the barrel that is mounted on the base（3）, the big gun head for emitting water cannon
（6）；It is characterized in that：The pedestal（1）With barrel（3）Between be provided with control its transfer for horizontally rotating（2）, institute
The barrel stated（3）It is set as detour shape；Barrel（3）With big gun head（6）Between be provided with control big gun brilliance degree elevation mount（4）；
The big gun head（6）Including bend pipe（5）, bend pipe（5）One end and elevation mount（4）It is connected, the other end and rectification section（9）Phase
Even；Rectification section（9）Right end is disposed with current stabilization speedup section（11）With current stabilization jet segment（12）；The bend pipe（5）Inside is set
It is equipped with the deflector of arc（7）；The rectification section（9）Left end is provided with cowling panel（8）, right end is provided with flow straightener
（10）；The current stabilization speedup section（11）It is set as taper, to improve the flow velocity of water cannon；The current stabilization jet segment（12）Setting
For taper, taper is less than the taper of current stabilization speedup section.
2. a kind of law enforcement water cannon peculiar to vessel according to claim 1, it is characterised in that：The deflector（7）Radian with
Bend pipe radian is identical, and the position of 2/5ths calibers, water conservancy diversion is arranged on the outside of away from bend pipe（7）Side be provided with circular arc chamfering
To reduce vortex.
3. a kind of law enforcement water cannon peculiar to vessel according to claim 1, it is characterised in that：The cowling panel（8）Including level
Four pieces of rectangular slabs parallel to each other being arranged, respectively the first rectangular slab（8-1）, the second rectangular slab（8-2）, third rectangular slab
（8-3）, the 4th rectangular slab（8-4）, identical per the spacing between adjacent two pieces of rectangular slabs；Wherein the second rectangular slab（8-2）Position
It sets and deflector（7）End it is corresponding, be disposed on the same plane.
4. a kind of law enforcement water cannon peculiar to vessel according to claim 1, it is characterised in that：The flow straightener（10）Including four pieces
Transverse slat and four pieces of risers, it is orthogonal between transverse slat and riser and be evenly arranged, several water stream channels are formed, after to rectification
The further current stabilization of flow.
5. a kind of law enforcement water cannon peculiar to vessel according to claim 4, it is characterised in that：The side of the transverse slat and riser is equal
Circular arc chamfering is provided with to reduce vortex.
6. a kind of law enforcement water cannon peculiar to vessel according to claim 1, it is characterised in that：The current stabilization for being set as taper increases
Fast section（11）, cone angle is less than or equal to 15 °.
7. a kind of law enforcement water cannon peculiar to vessel according to claim 1, it is characterised in that：The bend pipe（5）With rectification section（9）
Between be set as flanged joint, current stabilization speedup section（11）With rectification section（9）Between be set as being threadedly coupled, current stabilization jet segment（12）
With current stabilization speedup section（11）Between be set as being threadedly coupled.
8. a kind of law enforcement water cannon peculiar to vessel according to claim 1, it is characterised in that：The current stabilization speedup section（11）With it is steady
Flow jet segment（12）The processing of inner wall rounding off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504986.4A CN108507408B (en) | 2018-05-24 | 2018-05-24 | Marine law enforcement water cannon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504986.4A CN108507408B (en) | 2018-05-24 | 2018-05-24 | Marine law enforcement water cannon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108507408A true CN108507408A (en) | 2018-09-07 |
| CN108507408B CN108507408B (en) | 2024-10-25 |
Family
ID=63401265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810504986.4A Active CN108507408B (en) | 2018-05-24 | 2018-05-24 | Marine law enforcement water cannon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108507408B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207323A1 (en) * | 2019-04-08 | 2020-10-15 | 青岛海尔滚筒洗衣机有限公司 | Anti-dispersing water passage structure, and water intake apparatus of washing machine |
| CN112843575A (en) * | 2021-01-18 | 2021-05-28 | 高邮市盛鑫消防科技有限公司 | Fire water monitor body and fire water monitor |
| CN113842579A (en) * | 2021-09-29 | 2021-12-28 | 江苏深渡消防装备科技有限公司 | Fire-fighting water cannon gun pipe structure for container ship |
| CN113952654A (en) * | 2021-09-29 | 2022-01-21 | 江苏深渡消防装备科技有限公司 | High-range fire water monitor for container ship |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030160112A1 (en) * | 2002-02-27 | 2003-08-28 | Harris Lloyd E. | Pneumatic control system for a water cannon |
| RU101368U1 (en) * | 2010-08-26 | 2011-01-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт проблем пожарной безопасности" | ROBOTED FIRE HYDRAULIC MONITOR |
| CN101963169A (en) * | 2010-10-26 | 2011-02-02 | 西安建筑科技大学 | 90-degree rectification rectangular bent pipe |
| US7997179B1 (en) * | 2008-04-01 | 2011-08-16 | The United States Of America As Represented By The Secretary Of The Navy | Hybrid water cannon |
| CN202010385U (en) * | 2011-02-22 | 2011-10-19 | 广东联塑科技实业有限公司 | Hydraulic giant for fire protection |
| CN102872561A (en) * | 2012-09-28 | 2013-01-16 | 章丘市消防器材有限责任公司 | Trailer type mobile fire water monitor |
| KR20150015155A (en) * | 2013-07-31 | 2015-02-10 | 이기열 | High pressure water injection apparatus for repulsing pirates |
| CN104941095A (en) * | 2015-06-16 | 2015-09-30 | 江苏大学 | Despin device for long-range straight-flow type fire water monitor and processing process |
| KR20160073698A (en) * | 2014-12-17 | 2016-06-27 | 주식회사 다오요트 | Marine transportation including water cannon apparatus |
| CN105903143A (en) * | 2016-04-20 | 2016-08-31 | 江苏大学 | Novel long-range fire fighting monitor |
| CN206621689U (en) * | 2017-03-27 | 2017-11-10 | 蓝思智能机器人(长沙)有限公司 | Fire-fighting robot and apply its fire-fighting system |
| CN208254315U (en) * | 2018-05-24 | 2018-12-18 | 靖江市华东船舶机械制造有限公司 | A kind of law enforcement water cannon peculiar to vessel |
-
2018
- 2018-05-24 CN CN201810504986.4A patent/CN108507408B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030160112A1 (en) * | 2002-02-27 | 2003-08-28 | Harris Lloyd E. | Pneumatic control system for a water cannon |
| US7997179B1 (en) * | 2008-04-01 | 2011-08-16 | The United States Of America As Represented By The Secretary Of The Navy | Hybrid water cannon |
| RU101368U1 (en) * | 2010-08-26 | 2011-01-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт проблем пожарной безопасности" | ROBOTED FIRE HYDRAULIC MONITOR |
| CN101963169A (en) * | 2010-10-26 | 2011-02-02 | 西安建筑科技大学 | 90-degree rectification rectangular bent pipe |
| CN202010385U (en) * | 2011-02-22 | 2011-10-19 | 广东联塑科技实业有限公司 | Hydraulic giant for fire protection |
| CN102872561A (en) * | 2012-09-28 | 2013-01-16 | 章丘市消防器材有限责任公司 | Trailer type mobile fire water monitor |
| KR20150015155A (en) * | 2013-07-31 | 2015-02-10 | 이기열 | High pressure water injection apparatus for repulsing pirates |
| KR20160073698A (en) * | 2014-12-17 | 2016-06-27 | 주식회사 다오요트 | Marine transportation including water cannon apparatus |
| CN104941095A (en) * | 2015-06-16 | 2015-09-30 | 江苏大学 | Despin device for long-range straight-flow type fire water monitor and processing process |
| CN105903143A (en) * | 2016-04-20 | 2016-08-31 | 江苏大学 | Novel long-range fire fighting monitor |
| CN206621689U (en) * | 2017-03-27 | 2017-11-10 | 蓝思智能机器人(长沙)有限公司 | Fire-fighting robot and apply its fire-fighting system |
| CN208254315U (en) * | 2018-05-24 | 2018-12-18 | 靖江市华东船舶机械制造有限公司 | A kind of law enforcement water cannon peculiar to vessel |
Non-Patent Citations (1)
| Title |
|---|
| 袁晓明;王超;赵斌;杨庆祥;: "消防水炮水力学性能研究综述", 机械设计, no. 01, 20 January 2017 (2017-01-20), pages 5 - 12 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207323A1 (en) * | 2019-04-08 | 2020-10-15 | 青岛海尔滚筒洗衣机有限公司 | Anti-dispersing water passage structure, and water intake apparatus of washing machine |
| CN111793938A (en) * | 2019-04-08 | 2020-10-20 | 青岛海尔滚筒洗衣机有限公司 | An anti-divergence waterway structure and a washing machine water inlet device |
| CN111793938B (en) * | 2019-04-08 | 2022-07-19 | 重庆海尔滚筒洗衣机有限公司 | Prevent waterway structure and washing machine water installations that disperse |
| CN112843575A (en) * | 2021-01-18 | 2021-05-28 | 高邮市盛鑫消防科技有限公司 | Fire water monitor body and fire water monitor |
| CN113842579A (en) * | 2021-09-29 | 2021-12-28 | 江苏深渡消防装备科技有限公司 | Fire-fighting water cannon gun pipe structure for container ship |
| CN113952654A (en) * | 2021-09-29 | 2022-01-21 | 江苏深渡消防装备科技有限公司 | High-range fire water monitor for container ship |
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