CN205323069U

CN205323069U - Injection big gun head device that fire engine was used

Info

Publication number: CN205323069U
Application number: CN201620060998.9U
Authority: CN
Inventors: 张建明
Original assignee: Suzhou Jieda Fire-Protection Vehicle & Equipment Co Ltd
Current assignee: Jetta Fire Technology (Suzhou) Limited by Share Ltd
Priority date: 2016-01-21
Filing date: 2016-01-21
Publication date: 2016-06-22
Anticipated expiration: 2026-01-21

Abstract

The utility model provides an injection big gun head device that fire engine was used, belongs to fire -fighting equipment technical field. Including a honeycomb duct muffjoint seat, there is honeycomb duct muffjoint seat chamber in central authorities, a honeycomb duct sleeve, one take aim at a muzzle pipe and a barrel, a big gun core, its right -hand member insert the big gun core and overlap intraductally and have loudspeaker to describe the water conservancy diversion head by the limited nut of big gun core is limited, the left end constitutes, and the outer wall of this loudspeaker form water conservancy diversion head and the space component that loudspeaker were described between the inner wall of taking aim at the mouth are the liquid runner, the barrel corrective action jar that stretches out and draws back and is taken aim at muzzle pipe chain wheel and is connected, and the barrel of the flexible corrective action jar of this barrel stretches out and draws back corrective action jar post and is connected with the barrel chain wheel, one takes aim at the flexible guiding mechanism of muzzle pipe, its connect honeycomb duct muffjoint seat with take aim at between the muzzle pipe chain wheel and still be connected with the telescopic right -hand member of honeycomb duct simultaneously. The enhancement is to the adaptability of the on -the -spot situation of putting out a fire, practice thrift fire control liquid or fire control foam, the increase is to the coverage area of burning things which may cause a fire disaster, the realization is to the injection flow volume according to needing the adjustment, the structure is terse.

Description

The injection big gun big gun head unit of used in fire-fighting

Technical field

This utility model belongs to fire-fighting equipment technical field, is specifically related to the injection big gun big gun head unit of a kind of used in fire-fighting。

Background technology

Owing to aforesaid injection big gun is also referred to as fire monitor, thus injection big gun big gun head unit is alternatively referred to as fire monitor head device, for scene of fire is carried out fire-fighting fire extinguishing。Disclosed Chinese patent literature can be seen in the technical information of the injection big gun of used in fire-fighting, as CN2557173Y recommends there be " hydraulic driving type fire fighting cannon ", and for example CN201020182Y is provided with " compressed air foam and water mists fire monitor ", CN2785643Y introduces " automatically controlled fire monitor ", etc.。

" fire monitor " that the technical problem that the aforementioned patent being not limited to enumerate exists is disclosed by invention patent mandate notification number CN101502706B makes up, specifically can referring to the background technology hurdle of this patent and summary of the invention hurdle。But this CN101502706B still suffers from following shortcoming: one, it is impossible to according to regulating range；Its two, owing to the fire-fighting liquid (including foam) of ejection is in solid column, thus it is big to there is on the one hand fire-fighting liquid consumption, on the other hand that the coverage rate of burning things which may cause a fire disaster is little, affects fire-fighting efficiency；Its three, owing to the injection flow in the unit interval can not be adjusted according to needing, thus have certain blindness；Its four, complicated integral structure, to manufacture and assembly increase difficulty。

For above-mentioned prior art, it is quite necessary to improved, this applicant having done positive and useful design, technical scheme described below produces under this background。

Summary of the invention

Task of the present utility model be in that to provide a kind of contribute to complying with need to regulate range and use and promote the adaptability of scene of fire situation, be conducive to making fire-fighting liquid or fire-fighting foams to use with hollow tubular body form directive burning things which may cause a fire disaster saving fire-fighting liquid or fire-fighting foams and increase the area coverage to burning things which may cause a fire disaster, having to be easy to comply with and need injection flow in unit of adjustment's time and use the injection big gun big gun head unit avoiding blindness and be conducive to significantly simplifying structure and use the used in fire-fighting facilitating manufacture and assembly。

Task of the present utility model is performed by, a kind of injection big gun big gun head unit of used in fire-fighting, including a mozzle sleeve connection seat, the central authorities of this mozzle sleeve connection seat are constituted a mozzle sleeve connection seat chamber, and this mozzle sleeve connection seat chamber is through to right-hand member from the left end of mozzle sleeve connection seat；One mozzle sleeve, one takes aim at muzzle pipe and a gun barrel, the left end of mozzle sleeve probes into takes aim at taking aim in muzzle tube chamber and being slidably matched with the muzzle tube chamber cavity wall of taking aim at taking aim at muzzle tube chamber of muzzle pipe, and the left end of the right-hand member of mozzle sleeve and described mozzle sleeve connection seat is fixed, and in mozzle sleeve, it is provided with a mozzle, constituted with the state being parallel to mozzle in the middle position of this mozzle and had a big gun core sleeve, take aim at the gun barrel chamber cavity wall in the left end of muzzle pipe and the gun barrel chamber of gun barrel to be slidably matched and constitute to have and horn-like take aim at mouth, the outer wall of right-hand member taking aim at muzzle pipe overlaps intrinsic one and takes aim at muzzle pipe chain wheel, and on the outer wall of the left end of gun barrel and around gun barrel circumferencial direction constitute have a gun barrel chain wheel；One big gun core, the right-hand member of this big gun core inserts in described big gun core sleeve and is limited nut restriction by screwing at the big gun core of the right-hand member end of big gun core, the left end of big gun core is constituted a horn-like flow guiding head, and the space between outer wall and the described horn-like inwall taking aim at mouth of this horn-like flow guiding head is configured to flow channel for liquids；One gun barrel stretches Accommodation cylinder, and the flexible Accommodation cylinder of this gun barrel is connected with described muzzle pipe chain wheel of taking aim at horizontally-arranged state, and this gun barrel gun barrel of Accommodation cylinder Accommodation cylinder post that stretches that stretches is connected with described gun barrel chain wheel；One takes aim at muzzle pipe telescopic regulating mechanism, and this is taken aim at muzzle pipe telescopic regulating mechanism and is connected to described mozzle sleeve connection seat and takes aim between muzzle pipe chain wheel with described and also be connected with the right-hand member of mozzle sleeve simultaneously。

In a specific embodiment of the present utility model, the left end at described mozzle sleeve connection seat is constituted a sleeve connection seat left flange plate, and constitutes at the right-hand member of mozzle sleeve connection seat and have a right ring flange of sleeve connection seat；Right-hand member at described mozzle sleeve is constituted flow-directing shroud drum flange dish, and this flow-directing shroud drum flange dish is fixing with described sleeve connection seat left flange plate to be connected；Described take aim at muzzle pipe chain wheel by take aim at the fixing screw of muzzle pipe chain wheel be fixed in described in take aim at muzzle pipe left end outer wall on and have a front rod to connect seat and a back link connects seat taking aim at muzzle pipe chain wheel is constituted；Big gun core sleeve that is that described big gun core sleeve is linked with the inwall of described mozzle by one group and that be distributed radially is connected disc and is formed in the middle position of mozzle；Described on the right-hand member end face of big gun core and be positioned at this right-hand member end face middle position constitute have one big gun core limit thread head, this big gun core limits thread head and leans out the right-hand member of described big gun core sleeve, and described big gun core limits nut and limits thread head threaded engagement in the position of the right-hand member corresponding to big gun core sleeve with this big gun core；It is fixed with the fixing plate of an effect post on described gun barrel chain wheel and in the position of the flexible Accommodation cylinder post of gun barrel corresponding to the flexible Accommodation cylinder of described gun barrel；Described muzzle pipe telescopic regulating mechanism of taking aim at is connected seat, back link connection seat and the connection of flow-directing shroud drum flange dish simultaneously with the described right ring flange of sleeve connection seat, front rod。

In another specific embodiment of the present utility model, a sleeve connection seat left flange plate seal groove is offered in the described sleeve connection seat left flange plate side towards described flow-directing shroud drum flange dish and the circumferencial direction around sleeve connection seat left flange plate, in this sleeve connection seat left flange plate seal groove, it is embedded with a set of connects seat left flange plate sealing ring, make to be formed between sleeve connection seat left flange plate and flow-directing shroud drum flange dish to seal by this left flange seal ring of sleeve connection seat, the mozzle positive stop lug boss having a surface being raised in sleeve connection seat left flange plate is constituted in the middle position of described sleeve connection seat left flange plate, the right-hand member end contact of this mozzle positive stop lug boss and described mozzle。

In another specific embodiment of the present utility model, it is provided with sleeve connection seat left flange plate screw on described sleeve connection seat left flange plate and around the circumferencial direction of sleeve connection seat left flange plate is spaced apart, this sleeve connection seat left flange plate screw is provided with the fixing screw of sleeve connection seat left flange plate, the flow-directing shroud drum flange dish fixing threaded hole that quantity is equal with sleeve connection seat left flange plate screw it is provided with on described flow-directing shroud drum flange dish and in the position corresponding to sleeve connection seat left flange plate screw, the fixing screw of described sleeve connection seat left flange plate screws in flow-directing shroud drum flange dish fixing threaded hole。

In another specific embodiment of the present utility model, a pair mozzle sleeve seal groove is offered on the outer wall of described mozzle sleeve and around the circumferencial direction of mozzle sleeve, respectively being embedded with a mozzle sleeve sealing ring in this is to mozzle sleeve seal groove, this mozzle sleeve sealing ring coordinates with the described muzzle tube chamber cavity wall sealing of taking aim at taking aim at muzzle tube chamber taking aim at muzzle pipe。

Also have in a specific embodiment of the present utility model, the gun barrel chamber of described gun barrel is stepped, on the described horn-like outer wall taking aim at mouth taking aim at muzzle pipe and offer one around the horn-like circumferencial direction taking aim at mouth and take aim at mouth sealing ring groove, taking aim at and be embedded with one in mouth sealing ring groove at this and take aim at mouth sealing ring, this is taken aim at mouth sealing ring and seals with the gun barrel chamber cavity wall in described gun barrel chamber and coordinate。

Of the present utility model more and in a specific embodiment, the cylinder body of the flexible Accommodation cylinder of described gun barrel is fixed with flexible Accommodation cylinder seat, and this flexible Accommodation cylinder seat and described muzzle pipe chain wheel of taking aim at are fixed, the end of the flexible Accommodation cylinder post of described gun barrel is connected with the fixing plate of described acting cylinder post and is limited nut restriction by acting cylinder post。

In an of the present utility model and then specific embodiment, the flexible Accommodation cylinder of described gun barrel is cylinder or oil cylinder。

Of the present utility model again more and in a specific embodiment, described muzzle pipe telescopic regulating mechanism of taking aim at includes working cylinder, door font lever, front rod, back link, front rod axle fixes seat, the fixing seat of back link axle and the fixing seat of working cylinder, the fixing seat of working cylinder is fixed with the described right ring flange of sleeve connection seat, working cylinder has a working cylinder and connects seat, this working cylinder connects seat and is articulated and connected with the fixing seat of working cylinder, the end of the working cylinder post of working cylinder is hinged with the middle part of door font lever, the front side of door font lever is hinged with the fixing seat of front rod axle, and the rear side of door font lever is hinged with the fixing seat of back link axle, one end of front rod is coaxially hinged with the front side of the fixing seat of front rod axle and door font lever, it is hinged that the other end of front rod is connected seat with described front rod, one end of back link is coaxially hinged with the rear side of the fixing seat of back link axle and door font lever, it is hinged that the other end of back link is connected seat with described back link, the fixing seat of front rod axle and the fixing seat of back link axle are fixed with described flow-directing shroud drum flange dish with corresponding to each other。

Of the present utility model again and then in a specific embodiment, described working cylinder is cylinder or oil cylinder。

The technical scheme that this utility model provides has following technical effect that one, owing to can pass through gun barrel flexible Accommodation cylinder, gun barrel is made flexible adjustment, thus is changed range and promotes the adaptability to fire-extinguishing location situation；They are two years old, owing to flow channel for liquids is between the outer wall and the horn-like inwall taking aim at mouth of horn-like flow guiding head, thus the fire-fighting liquid of gun barrel mouth from gun barrel or fire-fighting foams can be used with hollow tubular body form directive burning things which may cause a fire disaster, it is possible not only to save fire-fighting liquid or fire-fighting foams, and the area coverage to burning things which may cause a fire disaster can be increased；Its three, make to take aim at muzzle pipe do retractility adjustment owing to can pass through to take aim at muzzle pipe telescopic regulating mechanism, to change the width of flow channel for liquids, thus realize opposing jet amount and adjust according to needing, it is to avoid blindly phenomenon；Its four, owing to overall structure is terse, thus not only can conveniently make but also can fast install。

Accompanying drawing explanation

Fig. 1 is example structure figure of the present utility model。

Fig. 2 is the sectional view of Fig. 1。

Fig. 3 is application examples schematic diagram of the present utility model。

Detailed description of the invention

In order to enable the public to be more clearly understood from technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example, but the description to embodiment is not all the restriction to this utility model scheme, any be only pro forma but not substantial equivalent transformation done according to this utility model design is regarded as the technical solution of the utility model category。

Every upper and lower, left and right, the directivity of front and rear or concept of title directionality of relating to is all for the figure location state being described in the following description, purpose is in that to facilitate public understanding, thus can not be understood as being particularly limited to the technical scheme that this utility model provides。

Referring to Fig. 1 and Fig. 2, it is shown that a mozzle sleeve connection seat 1, the central authorities of this mozzle sleeve connection seat 1 are constituted a mozzle sleeve connection seat chamber 11, and this mozzle sleeve connection seat chamber 11 is through to right-hand member from the left end of mozzle sleeve connection seat 1；One mozzle sleeve 2, one takes aim at muzzle pipe 3 and a gun barrel 4, the left end of mozzle sleeve 2 probes into takes aim at taking aim in muzzle tube chamber 31 and being slidably matched with the muzzle tube chamber cavity wall of taking aim at taking aim at muzzle tube chamber 31 of muzzle pipe 3, and the left end of the right-hand member of mozzle sleeve 2 and mozzle sleeve connection seat 1 is fixed, and in mozzle sleeve 2, it is provided with a mozzle 21, constituted with the state being parallel to mozzle 21 in the middle position of this mozzle 21 and had a big gun core sleeve 211, take aim at the gun barrel chamber cavity wall in the left end of muzzle pipe 3 and the gun barrel chamber 41 of gun barrel 4 to be slidably matched and constitute to have and horn-like take aim at mouth 32, the outer wall of right-hand member taking aim at muzzle pipe 3 overlaps intrinsic one and takes aim at muzzle pipe chain wheel 33, and on the outer wall of the left end of gun barrel 4 and around gun barrel 4 circumferencial direction constitute have a gun barrel chain wheel 42；One big gun core 5, the right-hand member of this big gun core 5 inserts in the big gun core retainer plate tube chamber 2112 of aforementioned big gun core sleeve 211 and limits nut 51 at the big gun core of the right-hand member end of big gun core 5 and limit by screwing after the right-hand member port leaning out big gun core retainer plate tube chamber 2112, the left end of big gun core 5 is constituted a horn-like flow guiding head 52, and the space between outer wall and the aforementioned horn-like inwall taking aim at mouth 32 of this horn-like flow guiding head 52 is configured to flow channel for liquids 6；One gun barrel stretches Accommodation cylinder 7, and the flexible Accommodation cylinder 7 of this gun barrel is connected with aforementioned muzzle pipe chain wheel 33 of taking aim at horizontally-arranged state, and the gun barrel of the flexible Accommodation cylinder 7 of this gun barrel Accommodation cylinder post 71 that stretches is connected with aforementioned gun barrel chain wheel 42；One takes aim at muzzle pipe telescopic regulating mechanism 8, and this is taken aim at muzzle pipe telescopic regulating mechanism 8 and is connected to preceding guide pipe sleeve connection seat 1 and takes aim between muzzle pipe chain wheel 33 with aforementioned and also be connected with the right-hand member of mozzle sleeve 2 simultaneously。

Please seeing Fig. 1 by emphasis, the left end at preceding guide pipe sleeve connection seat 1 is constituted a sleeve connection seat left flange plate 12, and constitutes at the right-hand member of mozzle sleeve connection seat 1 and have a right ring flange 13 of sleeve connection seat；Right-hand member at preceding guide pipe box cylinder 2 is constituted flow-directing shroud drum flange dish 22, and this flow-directing shroud drum flange dish 22 is fixing with sleeve connection seat left flange plate 12 to be connected。As shown in Figure 1, aforesaid take aim at muzzle pipe chain wheel 33 by take aim at the fixing screw 331 of muzzle pipe chain wheel be fixed in (being namely fixed on) take aim at muzzle pipe 3 left end outer wall on and have a front rod to connect seat 332 and a back link connects seat 333 taking aim at muzzle pipe chain wheel 33 is constituted, this front rod connection seat 332 is connected seat 333 and corresponds to each other with back link, is namely separated by 180 ° around the circumferencial direction taking aim at muzzle pipe 33；Big gun core sleeve that is that aforementioned big gun core sleeve 211 is linked with the inwall of preceding guide pipe 21 by one group and that be distributed radially is connected disc 2111 and is formed in the middle position of mozzle 21；Aforementioned on the right-hand member end face of big gun core 5 and be positioned at this right-hand member end face middle position constitute have one big gun core limit thread head 53, this big gun core limits thread head 53 and leans out the right-hand member of aforementioned big gun core sleeve 211, namely the right accent of big gun core retainer plate tube chamber 2112 is leant out, aforesaid big gun core limits nut 51 and namely limits thread head 53 threaded engagement corresponding to the position of the right accent of big gun core retainer plate tube chamber 2112 with this big gun core in the position of the right-hand member corresponding to big gun core sleeve 211, thus being limited in big gun core sleeve 211 by big gun core 5；It is fixed with the fixing plate 421 of an effect post with fixing plate bolt 4211 on aforementioned gun barrel chain wheel 42 and in the position of the flexible Accommodation cylinder post 71 of gun barrel corresponding to the flexible Accommodation cylinder 7 of gun barrel；Aforementioned muzzle pipe telescopic regulating mechanism 8 of taking aim at is connected seat 332, back link connection seat 333 and flow-directing shroud drum flange dish 22 simultaneously and connects with the right ring flange 13 of sleeve connection seat, front rod。

A sleeve connection seat left flange plate seal groove 121 is offered in the aforementioned sleeves connection seat left flange plate 12 side towards preceding guide pipe box drum flange dish 22 and the circumferencial direction around sleeve connection seat left flange plate 12, in this sleeve connection seat left flange plate seal groove 121, it is embedded with a set of connects seat left flange plate sealing ring 1211, make to be formed between sleeve connection seat left flange plate 12 and flow-directing shroud drum flange dish 22 to seal by the left flange seal ring 1211 of this sleeve connection seat。The middle position connecting seat left flange plate 12 at aforementioned sleeves constitutes the mozzle positive stop lug boss 123 having a surface being raised in sleeve connection seat left flange plate 12, the right-hand member end contact of this mozzle positive stop lug boss 123 and described mozzle 21, play the effect that mozzle 21 is limited, avoid mozzle 21 that play occurs, and the left end of mozzle 21 is limited by the limited step 24 on the inwall being formed in mozzle sleeve 2。

Connect on seat left flange plate 12 at aforementioned sleeves and be provided with sleeve connection seat left flange plate screw 122 around the circumferencial direction of sleeve connection seat left flange plate 12 is spaced apart, this sleeve connection seat left flange plate screw 122 is provided with the fixing screw 1221 of sleeve connection seat left flange plate, the flow-directing shroud drum flange dish fixing threaded hole 221 that quantity is equal with sleeve connection seat left flange plate screw 122 it is provided with on aforesaid flow-directing shroud drum flange dish 22 and in the position corresponding to sleeve connection seat left flange plate screw 122, screw in flow-directing shroud drum flange dish fixing threaded hole 221 by the aforementioned sleeves fixing screw 1221 of connection seat left flange plate and mozzle sleeve 2 and mozzle sleeve connection seat 1 are fixed。Also show the gun platform frame being opened on the right ring flange 13 of sleeve connection seat in FIG and connect fixing hole 131。

Continue to see Fig. 1 and Fig. 2, a pair mozzle sleeve seal groove 23 is offered on the outer wall of preceding guide pipe box cylinder 2 and around the circumferencial direction of mozzle sleeve 2, respectively being embedded with a mozzle sleeve sealing ring 231 in this is to mozzle sleeve seal groove 23, this mozzle sleeve sealing ring 231 coordinates with the muzzle tube chamber cavity wall sealing of taking aim at taking aim at muzzle tube chamber 31 taking aim at muzzle pipe 3。

The gun barrel chamber 41 of aforementioned gun barrel 4 is stepped, on the aforementioned horn-like outer wall taking aim at mouth 32 taking aim at muzzle pipe 3 and offer one around the horn-like circumferencial direction taking aim at mouth 32 and take aim at mouth sealing ring groove 321, taking aim at and be embedded with one at this in mouth sealing ring groove 321 and take aim at mouth sealing ring 3211, this is taken aim at mouth sealing ring 3211 and seals with the gun barrel chamber cavity wall in aforementioned gun barrel chamber 41 and coordinate。

The cylinder body of the flexible Accommodation cylinder 7 of aforesaid gun barrel is fixed with flexible Accommodation cylinder seat 72, and this flexible Accommodation cylinder seat 72 by the fixing screw 721 of acting cylinder seat with take aim at muzzle pipe chain wheel 33 and fix, the end of the flexible Accommodation cylinder post 71 of aforesaid gun barrel is connected with the fixing plate 421 of aforementioned acting cylinder post and is limiting nut 711 limit at the stretch acting cylinder post of end of Accommodation cylinder post 71 of gun barrel by screwing after acting cylinder post plate 421。

In the present embodiment, the flexible Accommodation cylinder 7 of aforesaid gun barrel adopts cylinder, is connected with the vehicle-mounted pneumatic device source of the gas pipeline of fire fighting truck。If certainly adopting oil cylinder as the flexible Accommodation cylinder 7 of gun barrel, then to be connected with the vehicle-mounted hydraulic device hydraulic circuit of fire fighting truck。Therefore, the flexible Accommodation cylinder 7 of gun barrel both can use cylinder, it is possible to use oil cylinder。

Please still see Fig. 1 and Fig. 2, aforementioned take aim at muzzle pipe telescopic regulating mechanism 8 preferably but not the structure that is definitely limited to is as follows: include working cylinder 81, door font lever 82, front rod 83, back link 84, front rod axle fixes seat 85, the fixing seat 86 of back link axle and the fixing seat 87 of working cylinder, the fixing seat 87 of working cylinder is connected the right ring flange 13 of seat by the fixing seat screw 871 of working cylinder with aforementioned sleeves to be fixed, the fixing seat 87 of this working cylinder is constituted and has a pair hinged ear 872 of cylinder seat, working cylinder 81 has a working cylinder and connects seat 812, this working cylinder connects seat 812 and is articulated and connected by connecting the seat pin axle 8121 hinged ear 872 of the pair of cylinder seat with the fixing seat 87 of working cylinder, the end of the working cylinder post 811 of working cylinder 81 is hinged with the pair of pin axle bed 822 at the middle part of door font lever 82 by cylinder axis pin of column 8111, the front side of door font lever 82 is hinged by the fixing seat 85 of front lever axis hole 821 and front rod axle, and the rear side of door font lever 82 is hinged by the fixing seat 86 of rear lever axis hole (not providing accompanying drawing labelling) and back link axle, one end of front rod 83 is coaxially hinged with the front side of the fixing seat 85 of front rod axle and door font lever 82, namely the front lever shaft 851 passing through to be arranged on the fixing seat 85 of front rod axle is by hinged for the front side of one end of front rod 83 Yu door shape 82, it is hinged that the other end of front rod 83 is connected seat 332 by front hinging pin shaft 831 with aforementioned front rod, one end of back link 84 is coaxially hinged (specifically such as the description to front rod 83) with the rear side of the fixing seat 86 of back link axle and door font lever 82, it is hinged that the other end of back link 84 is connected seat 333 by rear hinging pin shaft 841 with aforementioned back link, the fixing seat 85 of front rod axle and the fixing seat 86 of back link axle are fixed with preceding guide pipe box drum flange dish 22 with corresponding to each other, figure 1 illustrates for a pair fixing with flow-directing shroud drum flange dish 22 for fixing for front rod axle seat 85 front rod axle being fixed seat screw 852 and being used for being connected, by rear, the fixing seat screw 861 of a pair back link axle that the fixing seat 86 of axle is fixing with flow-directing shroud drum flange dish 22。

In the present embodiment, aforesaid working cylinder 81 adopts cylinder, but may be used without oil cylinder, specifically such as the description to the flexible Accommodation cylinder 7 of gun barrel。

Refer to Fig. 3, Fig. 3 illustrates the gun platform mechanism 10 belonging to prior art category, this gun platform mechanism 10 includes rotary disk seat 101, rotary disk 102, worm screw 103, worm gear 104, gear 105, water pipe connects seat 106, water pipe 107 and mounting 108, rotary disk seat 10 arranges on the fire fighting truck ceiling 20 being fixed on fire fighting truck shortly, rotary disk 102 is located on rotary disk seat 101, worm screw 103 is matched with rotary disk 102, worm gear 104 matches with worm screw 103, namely worm gear 104 is driven by worm screw, gear 105 matches with worm gear 104, namely by worm gear 104 driven gear 105, water pipe connects seat 106 and is connected with rotary disk 102, the right-hand member of water pipe 107 is supported on water pipe and connects on seat 106 and be connected with water source by pipeline, and the left end of water pipe 107 is supported on mounting 108 and is connected with preceding guide pipe sleeve connection seat 1, the left end of water pipe 107 is additionally provided with gear ring 109, this gear ring 109 is meshed with gear 105, mounting 108 is fixing with the right ring flange of sleeve connection seat 13 in the position connecting fixing hole 131 corresponding to aforementioned gun platform frame to be connected。According to specialty general knowledge, rotary disk 102 make water pipe 107 rotate required angle clockwise or counterclockwise together with mounting 108, and driven worm gear 104 by worm screw 103, by worm gear 104 driven gear 1015, gear 105 drive gear ring 109。It has been observed that owing to gun platform mechanism 10 belongs to prior art, thus applicant has only made above-mentioned brief description。Certain gun platform mechanism 10 also can adopt the structure of the actuating unit introduced by above mentioned CN101502706B。

Applicant describes use of the present utility model, when fire extinguishing, thered is provided the water as firing-fighting medium by water pipe 107 (when firing-fighting medium is foam in the mozzle sleeve connection seat chamber 11 of mozzle sleeve connection seat 1, then provide fire foam), water through mozzle 21 enter take aim at muzzle pipe 3 take aim at muzzle tube chamber 31, then through flow channel for liquids 6, until spraying to flame from the gun barrel mouth 43 of gun barrel 4。

In above process, when to increase the range of jet of water, then the flexible Accommodation cylinder 7 of gun barrel works, the flexible Accommodation cylinder post 71 of gun barrel stretches outside cylinder body, promotion gun barrel chain wheel 42, makes gun barrel 4 to left dislocation, namely increase gun barrel 4 and stretch out the length taking aim at muzzle pipe 3, make range of jet increase。Vice versa。

In above process, when to increase the emitted dose in the unit interval, when namely increasing the width of aforementioned liquids runner 6, the working cylinder 81 of the structural system then taking aim at muzzle pipe telescopic regulating mechanism 8 works, and working cylinder post 811, to cylinder body outer displacement, is driven a shape lever 82 by working cylinder post 811, front rod 83 and back link 84 is driven by door shape lever 82, being driven by front rod 83 and back link 84 and take aim at muzzle pipe 3 displacement to the right, the width of flow channel for liquids 6 increases, on the contrary same example。

In sum, the technical scheme that this utility model provides overcomes the deficiency in prior art, completes invention task, has cashed the technique effect recorded in the superincumbent technique effect hurdle of applicant faithfully。

Claims

1.A kind of injection big gun big gun head unit of used in fire-fighting, it is characterized in that including mozzle sleeve connection seat (1), the central authorities of this mozzle sleeve connection seat (1) are constituted mozzle sleeve connection seat chamber (11), and this mozzle sleeve connection seat chamber (11) is through to right-hand member from the left end of mozzle sleeve connection seat (1)；One mozzle sleeve (2), one takes aim at muzzle pipe (3) and a gun barrel (4), the left end of mozzle sleeve (2) probes into takes aim at taking aim in muzzle tube chamber (31) and being slidably matched with the muzzle tube chamber cavity wall of taking aim at taking aim at muzzle tube chamber (31) of muzzle pipe (3), and the left end of the right-hand member of mozzle sleeve (2) and described mozzle sleeve connection seat (1) is fixed, and in mozzle sleeve (2), it is provided with a mozzle (21), constituted with the state being parallel to mozzle (21) in the middle position of this mozzle (21) and had a big gun core sleeve (211), take aim at the gun barrel chamber cavity wall in the left end of muzzle pipe (3) and the gun barrel chamber (41) of gun barrel (4) to be slidably matched and constitute to have and horn-like take aim at mouth (32), the outer wall of right-hand member taking aim at muzzle pipe (3) overlaps intrinsic one and takes aim at muzzle pipe chain wheel (33), and on the outer wall of the left end of gun barrel (4) and around gun barrel (4) circumferencial direction constitute have a gun barrel chain wheel (42)；One big gun core (5), the right-hand member of this big gun core (5) inserts in described big gun core sleeve (211) and is limited nut (51) restriction by screwing at the big gun core of the right-hand member end of big gun core (5), the left end of big gun core (5) is constituted a horn-like flow guiding head (52), and the space between outer wall and the described horn-like inwall taking aim at mouth (32) of this horn-like flow guiding head (52) is configured to flow channel for liquids (6)；One gun barrel stretches Accommodation cylinder (7), the flexible Accommodation cylinder (7) of this gun barrel is connected with described muzzle pipe chain wheel (33) of taking aim at horizontally-arranged state, and flexible Accommodation cylinder post (71) of gun barrel of the flexible Accommodation cylinder (7) of this gun barrel is connected with described gun barrel chain wheel (42)；One takes aim at muzzle pipe telescopic regulating mechanism (8), and this is taken aim at muzzle pipe telescopic regulating mechanism (8) and is connected to described mozzle sleeve connection seat (1) and takes aim between muzzle pipe chain wheel (33) with described and also be connected with the right-hand member of mozzle sleeve (2) simultaneously。

2.The injection big gun big gun head unit of used in fire-fighting according to claim 1, it is characterized in that constituting at the left end of described mozzle sleeve connection seat (1) have sleeve connection seat left flange plate (12), and constitute at the right-hand member of mozzle sleeve connection seat (1) and have the right ring flange of a sleeve connection seat (13)；Right-hand member described mozzle sleeve (2) is constituted flow-directing shroud drum flange dish (22), and this flow-directing shroud drum flange dish (22) is fixing with described sleeve connection seat left flange plate (12) to be connected；Described take aim at muzzle pipe chain wheel (33) by take aim at the fixing screw (331) of muzzle pipe chain wheel be fixed in described in take aim at muzzle pipe (3) left end outer wall on and have a front rod to connect seat (332) and back link connection seat (333) taking aim at the upper composition of muzzle pipe chain wheel (33)；Big gun core sleeve that is that described big gun core sleeve (211) is linked with the inwall of described mozzle (21) by one group and that be distributed radially is connected disc (2111) and is formed in the middle position of mozzle (21)；Described on the right-hand member end face of big gun core (5) and be positioned at this right-hand member end face middle position constitute have one big gun core limit thread head (53), this big gun core limits thread head (53) and leans out the right-hand member of described big gun core sleeve (211), and described big gun core limits nut (51) and limits thread head (53) threaded engagement in the position of the right-hand member corresponding to big gun core sleeve (211) with this big gun core；Above and it is fixed with the fixing plate (421) of an effect post in the position of flexible Accommodation cylinder post (71) of gun barrel corresponding to the flexible Accommodation cylinder (7) of described gun barrel described gun barrel chain wheel (42)；Described muzzle pipe telescopic regulating mechanism (8) of taking aim at is connected seat (332), back link connection seat (333) and flow-directing shroud drum flange dish (22) connection simultaneously with the right ring flange of described sleeve connection seat (13), front rod。

3.The injection big gun big gun head unit of used in fire-fighting according to claim 2, it is characterized in that offering sleeve connection seat left flange plate seal groove (121) in described sleeve connection seat left flange plate (12) side towards described flow-directing shroud drum flange dish (22) and the circumferencial direction around sleeve connection seat left flange plate (12), in this sleeve connection seat left flange plate seal groove (121), it is embedded with a set of connects seat left flange plate sealing ring (1211), make to be formed between sleeve connection seat left flange plate (12) and flow-directing shroud drum flange dish (22) to seal by the left flange seal ring of this sleeve connection seat (1211), the mozzle positive stop lug boss (123) having a surface being raised in sleeve connection seat left flange plate (12) is constituted in the middle position of described sleeve connection seat left flange plate (12), the right-hand member end contact of this mozzle positive stop lug boss (123) and described mozzle (21)。

4.The injection big gun big gun head unit of the used in fire-fighting according to Claims 2 or 3, it is characterized in that upper described sleeve connection seat left flange plate (12) and around sleeve connection seat left flange plate (12) circumferencial direction is spaced apart and be provided with sleeve connection seat left flange plate screw (122), this sleeve connection seat left flange plate screw (122) is provided with the fixing screw (1221) of sleeve connection seat left flange plate, above and flow-directing shroud drum flange dish fixing threaded hole (221) that quantity is equal with sleeve connection seat left flange plate screw (122) it is provided with in the position corresponding to sleeve connection seat left flange plate screw (122) at described flow-directing shroud drum flange dish (22), the fixing screw (1221) of described sleeve connection seat left flange plate screws in flow-directing shroud drum flange dish fixing threaded hole (221)。

5.The injection big gun big gun head unit of used in fire-fighting according to claim 1, it is characterized in that on the outer wall of described mozzle sleeve (2) and offer a pair mozzle sleeve seal groove (23) around the circumferencial direction of mozzle sleeve (2), respectively being embedded with mozzle sleeve sealing ring (231) in this is to mozzle sleeve seal groove (23), this mozzle sleeve sealing ring (231) coordinates with the described muzzle tube chamber cavity wall sealing of taking aim at taking aim at muzzle tube chamber (31) taking aim at muzzle pipe (3)。

6.The injection big gun big gun head unit of used in fire-fighting according to claim 1, it is characterized in that the gun barrel chamber (41) of described gun barrel (4) is stepped, on the described horn-like outer wall taking aim at mouth (32) taking aim at muzzle pipe (3) and offer one around the horn-like circumferencial direction taking aim at mouth (32) and take aim at mouth sealing ring groove (321), taking aim at and be embedded with one at this in mouth sealing ring groove (321) and take aim at mouth sealing ring (3211), this is taken aim at mouth sealing ring (3211) and seals with the gun barrel chamber cavity wall of described gun barrel chamber (41) and coordinate。

7.The injection big gun big gun head unit of used in fire-fighting according to claim 2, it is characterized in that the cylinder body of the flexible Accommodation cylinder (7) of described gun barrel is fixed with flexible Accommodation cylinder seat (72), and this flexible Accommodation cylinder seat (72) and described muzzle pipe chain wheel (33) of taking aim at are fixed, the end of flexible Accommodation cylinder post (71) of described gun barrel is connected with the fixing plate (421) of described acting cylinder post and is limited nut (711) restriction by acting cylinder post。

8.The injection big gun big gun head unit of the used in fire-fighting according to claim 1 or 2 or 7, it is characterised in that the flexible Accommodation cylinder (7) of described gun barrel is cylinder or oil cylinder。

9.The injection big gun big gun head unit of used in fire-fighting according to claim 2, take aim at muzzle pipe telescopic regulating mechanism (8) described in it is characterized in that and include working cylinder (81), door font lever (82), front rod (83), back link (84), front rod axle fixes seat (85), back link axle fixes seat (86) and the fixing seat (87) of working cylinder, working cylinder is fixed seat (87) and is fixed with the right ring flange of described sleeve connection seat (13), working cylinder (81) has a working cylinder and connects seat (812), this working cylinder connects seat (812) and is articulated and connected with the fixing seat (87) of working cylinder, the end of the working cylinder post (811) of working cylinder (81) is hinged with the middle part of door font lever (82), the front side of door font lever (82) is hinged with the fixing seat (85) of front rod axle, and the rear side of door font lever (82) is hinged with the fixing seat (86) of back link axle, one end of front rod (83) is coaxially hinged with the front side of the fixing seat (85) of front rod axle and door font lever (82), it is hinged that the other end of front rod (83) is connected seat (332) with described front rod, one end of back link (84) is coaxially hinged with the rear side of the fixing seat (86) of back link axle and door font lever (82), it is hinged that the other end of back link (84) is connected seat (333) with described back link, front rod axle fixes seat (85) and the fixing seat (86) of back link axle is fixed with described flow-directing shroud drum flange dish (22) with corresponding to each other。

10.The injection big gun big gun head unit of used in fire-fighting according to claim 9, it is characterised in that described working cylinder (81) is cylinder or oil cylinder。