阅读说明：本技术 机载灭火药剂储存装置 (Airborne fire extinguishing agent storage device ) 是由 顾婷婷 康彬 唐英国 陈思豪 周文君 董涛涛 王伟 于 2020-12-14 设计创作，主要内容包括：本发明公开了一种机载灭火药剂储存装置。它包括顶部封头、箱体、底部封头,其中所述顶部封头内壁设有与其呈一体式结构的第一加强筋板,顶部封头上面焊接有组装注液阀的第一螺纹接头、组装压力平衡装置的第二螺纹接头和组装油尺的第三螺纹接头；所述箱体内壁设有与其呈一体式结构的第二加强筋板,箱体外壁设有把手,箱体下部焊接有用液接头；所述底部封头内壁设有与其呈一体式结构的第三加强筋板,底部封头底部焊接有配置堵头的清洗口,底部封头外底壁还设有与其呈一体式结构的安装座。该装置满足结构强度要求,实现了灭火药剂的反复充装,避免了频繁更换一次性塑料桶带来的浪费,节约了制造成本。(The invention discloses an onboard fire extinguishing agent storage device. The hydraulic oil filling device comprises a top end enclosure, a box body and a bottom end enclosure, wherein a first reinforcing rib plate which is of an integrated structure with the top end enclosure is arranged on the inner wall of the top end enclosure; the inner wall of the box body is provided with a second reinforcing rib plate which is integrated with the box body, the outer wall of the box body is provided with a handle, and the lower part of the box body is welded with a liquid joint; the inner wall of the bottom end socket is provided with a third reinforcing rib plate which is of an integrated structure with the bottom end socket, the bottom of the bottom end socket is welded with a cleaning opening for arranging a plug, and the outer bottom wall of the bottom end socket is further provided with a mounting seat which is of an integrated structure with the bottom end socket. The device satisfies structural strength requirement, has realized filling repeatedly of the medicament of putting out a fire, has avoided the waste that frequent change disposable plastic drum brought, has practiced thrift manufacturing cost.)

1. The utility model provides an airborne fire extinguishing agent storage device which characterized in that: the device comprises a top seal head (4), a box body (5) and a bottom seal head (6), wherein a first reinforcing rib plate (4.1) which is of an integrated structure with the top seal head is arranged on the inner wall of the top seal head (4), and a first threaded joint (4.2) for assembling a liquid injection valve (3), a second threaded joint (4.3) for assembling a pressure balancing device (2) and a third threaded joint (4.4) for assembling an oil ruler (1) are welded on the top seal head (4); a second reinforcing rib plate (5.1) which is integrated with the inner wall of the box body (5) is arranged on the inner wall of the box body (5), a handle (5.2) is arranged on the outer wall of the box body (5), and a liquid joint (10) is welded on the lower portion of the box body (5); the inner wall of the bottom end socket (6) is provided with a third reinforcing rib plate (6.1) which is of an integrated structure, the bottom of the bottom end socket (6) is welded with a cleaning opening (8) for configuring a plug (9), and the outer bottom wall of the bottom end socket (6) is further provided with a mounting seat (11) which is of an integrated structure.

2. The on-board fire-suppression agent storage device of claim 1, wherein: the inner wall of the bottom end enclosure (6) is welded with anti-shaking plates (7) at intervals, two sides of each anti-shaking plate (7) are welded on the inner wall of the box body (5) opposite to each other, and holes (7.1) for liquid to flow through and to be evenly distributed are further formed in each anti-shaking plate (7).

3. The on-board fire-suppression agent storage device of claim 1, wherein: the first reinforcing rib plate (4.1) and the top end enclosure (4) are integrally formed, the second reinforcing rib plate (5.1) and the box body (5) are integrally formed, and the third reinforcing rib plate (6.1) and the bottom end enclosure (6) are integrally formed.

4. The on-board fire-suppression agent storage device of claim 3, wherein: the first reinforcing rib plate (4.1), the second reinforcing rib plate (5.1) and the third reinforcing rib plate (6.1) are arranged in a honeycomb shape.

5. The on-board fire-suppression agent storage device of claim 4, wherein: pressure balancing unit (2) through be equipped with filter screen (2.3) and filter pulp (2.4) in balance connect (2.2) with second screwed joint (4.3) are connected, and balance connects (2.2) upper end and is equipped with spiral coil (2.1).

6. The on-board fire-suppression agent storage device of claim 5, wherein: the oil dipstick (1) is connected with the third threaded joint (4.4) through an oil dipstick joint (1.1), and an aluminum pipe (1.2) with volume scales is arranged at the lower end of the oil dipstick joint (1.1).

7. The on-board fire-suppression agent storage device of claim 6, wherein: an outlet joint (10.1) is arranged at the outer end of the liquid using joint (10), and the outlet joint (10.1) is connected with an elbow (10.2) which penetrates through the bottom of the box body (5) and enters the box body (5).

8. The on-board fire-suppression agent storage device of claim 7, wherein: the outer wall of the bottom end enclosure (6) is welded with a fourth reinforcing rib plate (6.2), and the fourth reinforcing rib plate (6.2) is arranged in a honeycomb manner to increase the structural strength of the bottom end enclosure (6).

9. The on-board fire-suppression agent storage device of claim 8, wherein: the steel wire thread insert (12) is arranged at the inner thread of the mounting seat (11), and a buffer rubber pad (13) is arranged at the outer end of the mounting seat (11).

10. The on-board fire-extinguishing chemical storage device according to any one of claims 8-9, wherein: the top end enclosure (4), the box body (5), the bottom end enclosure (6), the first reinforcing rib plate (4.1), the second reinforcing rib plate (5.1), the third reinforcing rib plate (6.1), the fourth reinforcing rib plate (6.2) and the mounting seat (11) are all made of 5A06 aluminum alloy materials.

Technical Field

The invention relates to the technical field of fire extinguishing systems of large seaplanes, in particular to an airborne fire extinguishing agent storage device.

Background

The storage tank for the extinguishing agent is a major component of the fire extinguishing system of large water fire-fighting aircraft. When fire is needed to be extinguished, in order to enhance the fire extinguishing effect, the fire extinguishing agent in the storage tank is generally output into water for dilution, and then the high-altitude water spraying fire extinguishing is carried out. The storage tank of storing the medicament of putting out a fire at present is mostly disposable plastic drum, need fix disposable plastic drum in the aircraft cabin during the use. After the fire extinguishing agent in the disposable plastic bucket is used up, the plastic bucket needs to be detached from a fixed position, and a new disposable plastic bucket is installed again, so that the disposable plastic bucket is inconvenient to frequently replace; in addition, when the disposable plastic bucket is used, the disposable plastic bucket can be subjected to vibration and overload impact of an airplane, and needs to have higher structural strength and better product quality, so the manufacturing cost of the disposable plastic bucket is higher, and the cost for frequently replacing the disposable plastic bucket is very high.

Disclosure of Invention

The invention aims to provide an onboard fire extinguishing agent storage device which meets the structural strength requirement, can be repeatedly filled and is light in weight.

In order to achieve the purpose, the invention designs an onboard fire extinguishing agent storage device, which is characterized in that: the hydraulic oil filling device comprises a top end enclosure, a box body and a bottom end enclosure, wherein a first reinforcing rib plate which is of an integrated structure with the top end enclosure is arranged on the inner wall of the top end enclosure; the inner wall of the box body is provided with a second reinforcing rib plate which is integrated with the box body, the outer wall of the box body is provided with a handle, and the lower part of the box body is welded with a liquid joint; the inner wall of the bottom end socket is provided with a third reinforcing rib plate which is of an integrated structure with the bottom end socket, the bottom of the bottom end socket is welded with a cleaning opening for arranging a plug, and the outer bottom wall of the bottom end socket is further provided with a mounting seat which is of an integrated structure with the bottom end socket.

The top seal head, the box body and the bottom seal head form a closed container. The top end socket, the first reinforcing rib plate on the inner wall of the top end socket and all the threaded joints on the top end socket are of an integrated structure; the box body, the second reinforcing rib plate on the inner wall of the box body and the liquid using joint at the lower part of the box body are of an integrated structure; the bottom end socket, the third reinforcing rib plate on the inner wall of the bottom end socket, the cleaning opening at the bottom of the bottom end socket and the mounting seat are of an integrated structure.

The main body of the airborne fire extinguishing agent storage device is designed into an integrated structure, so that structural members on the device are prevented from loosening and scattering during vibration. The first reinforcing rib plate, the second reinforcing rib plate and the third reinforcing rib plate which are of an integrated structure and arranged on the inner wall of the device meet the strength requirement of the thin wall of the device under the working conditions of vibration and overload impact.

Further, the inner wall of the bottom end socket is welded with anti-shaking plates 7 at intervals, two sides of each anti-shaking plate are welded on the inner wall of the box body opposite to each other, and holes for liquid to flow and to be evenly distributed are further formed in each anti-shaking plate.

The anti-shaking plate arranged at the inner interval of the device effectively reduces the impact force of the fire extinguishing agent in the box under the working conditions of vibration and overload impact. In addition, the fire extinguishing agent can circulate in the box body through the hole on the anti-shaking plate.

Furthermore, the first reinforcing rib plate and the top end enclosure are integrally formed, the second reinforcing rib plate and the box body are integrally formed, and the third reinforcing rib plate and the bottom end enclosure are integrally formed. The integral forming is not easy to deform, and the integral structural strength of the device is further enhanced.

Furthermore, the first reinforcing rib plate, the second reinforcing rib plate and the third reinforcing rib plate are arranged in a honeycomb shape, and the arrangement uniformly strengthens the structural strength of the device.

Further, pressure balance device through be equipped with the filter screen in with filter pulp the balanced joint with the second screwed joint is connected, and balanced joint upper end is equipped with spiral coil. The filter screen and the filter cotton filled in the balance joint effectively prevent the spray of the medicament from floating. The spiral coil pipe structure of balanced joint upper end design avoids the fuselage medicament spill under slope and every single move condition.

Further, the oil dipstick is connected with the third threaded joint through an oil dipstick joint, and an aluminum pipe with volume scales is arranged at the lower end of the oil dipstick joint. The oil dipstick is composed of an oil dipstick connector and an aluminum pipe, and volume scales on the aluminum pipe are used for monitoring the volume of the medicament in the medicament storage device.

Furthermore, an outlet joint is arranged at the outer end of the liquid using joint and is connected with a bent pipe which penetrates through the bottom of the box body and enters the box body. When fire is needed to be extinguished, the fire extinguishing agent is led out to water sprayed by the fire extinguishing aircraft through the outlet connector to be diluted and then sprayed to extinguish the fire.

Furthermore, the outer wall of the bottom end socket is welded with a fourth reinforcing rib plate, and the fourth reinforcing rib plate is arranged in a honeycomb manner and used for increasing the structural strength of the bottom end socket.

Furthermore, the internal thread inside the mounting seat is provided with a steel wire thread insert, and the outer end of the mounting seat is provided with a buffer rubber pad. A supporting beam on mount pad and the slide adopts bolted connection, and the steel wire thread cover of internal thread department design in the mount pad has further increased the structural strength of mount pad, simultaneously in order to avoid a supporting beam rigid contact on mount pad and the slide, pastes rubber cushion pad in the outer end of mount pad. After the assembly is fastened, the supporting beam is in direct contact with the cushion rubber pad.

Furthermore, the top end enclosure, the box body, the bottom end enclosure, the first reinforcing rib plate, the second reinforcing rib plate, the third reinforcing rib plate, the fourth reinforcing rib plate and the mounting seat are all made of 5A06 aluminum alloy materials. The main material of the device is selected as 5A06 aluminum alloy, so that the performance requirements of light weight, high strength and corrosion resistance of the airborne fire extinguishing agent device are met.

Compared with the existing disposable plastic barrel, the airborne fire extinguishing agent storage device provided by the invention has the advantages of longer service life, simplicity and convenience in installation, convenience in inputting and outputting agents, and the following beneficial effects:

the designed integrated structure of the airborne fire extinguishing agent storage device (comprising a top seal head, a first reinforcing rib plate on the inner wall of the top seal head, and all screwed joints on the top seal head, a box body, a second reinforcing rib plate on the inner wall of the box body, and liquid consumption joints on the lower part of the box body, a third reinforcing rib plate on the inner wall of the box body, and a cleaning opening and a mounting seat on the bottom of the box body) prevents structural parts on the device from loosening and scattering during vibration, and the installation convenience is realized; in addition, the first reinforcing rib plate, the second reinforcing rib plate and the third reinforcing rib plate are arranged on the inner wall of the device, so that the strength requirement of the thin wall of the device under vibration and overload impact working conditions is met.

The designed airborne fire extinguishing agent storage device is used for replacing a disposable plastic barrel in the prior art, so that repeated filling of the fire extinguishing agent is realized, waste caused by frequent replacement of the disposable plastic barrel is avoided, and the manufacturing cost is saved.

Drawings

Fig. 1 is a schematic front view of an onboard fire extinguishing agent storage device.

Fig. 2 is a schematic side view of an onboard fire suppressant storage device.

Fig. 3 is a schematic top view of an onboard fire suppressant storage device.

Fig. 4 is a schematic cross-sectional view of the storage device in fig. 3.

Fig. 5 is a schematic cross-sectional view of the storage device of fig. 3.

Fig. 6 is a schematic view of a direction a of the storage device in fig. 2.

In the figure: the oil dipstick comprises an oil dipstick 1 (wherein, the oil dipstick joint is 1.1, an aluminum pipe 1.2), a pressure balancing device 2 (wherein, the spiral coil pipe is 2.1, the balancing joint is 2.2, a filter screen is 2.3, and filter cotton is 2.4), a liquid injection valve 3, a top seal head 4 (wherein, the first reinforcing rib plate is 4.1, the first threaded joint is 4.2, the second threaded joint is 4.3, and the third threaded joint is 4.4), a box body 5 (wherein, the second reinforcing rib plate is 5.1, and the handle is 5.2), a bottom seal head 6 (wherein, the third reinforcing rib plate is 6.1, and the fourth reinforcing rib plate is 6.2), an anti-shaking plate 7 (wherein, the hole opening is 7.1), a cleaning opening 8, a plug 9, a liquid using joint 10 (wherein, the outlet joint is 10.1, and the elbow is 10.2), a mounting seat 11.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting.

The onboard fire extinguishing agent storage device shown in the figures 1-6 adopts a cuboid structure, the reserved installation space on the airplane is utilized to the maximum degree, and the stability is good after installation. The volume of the device is 300L, the weight is 25kg, and a closed container is formed by welding a top seal head 4, a box body 5 and a bottom seal head 6.

A first honeycomb reinforcing rib plate 4.1 is arranged on the inner wall of the top end socket 4 and is integrally formed; a second honeycomb reinforcing rib plate 5.1 is arranged on the inner wall of the box body 5, and the second honeycomb reinforcing rib plate are integrally formed; and a third honeycomb reinforcing rib plate 6.1 is arranged on the inner wall of the bottom end enclosure 6, and the third honeycomb reinforcing rib plate are integrally formed. The reinforcing rib plates in the storage device meet the strength requirement of the thin wall of the device under vibration and overload impact working conditions.

A first threaded joint 4.2, a second threaded joint 4.3 and a third threaded joint 4.4 are welded on the top end socket 4.

The injection valve 3 is assembled at the first threaded joint 4.2 and is used for injecting fire extinguishing agent.

The pressure balancing device 2 is assembled at the position of the second threaded joint 4.3, so that balance of internal pressure and external pressure is guaranteed, and deformation of the medicament storage device caused by pressure difference is avoided. The pressure balancing device 2 adopts a normally open ventilation pipeline and consists of a spiral coil 2.1 and a balancing joint 2.2. The balance joint 2.2 is connected with the second threaded joint 4.3, the upper end of the balance joint 2.2 is provided with a spiral coil 2.1, and the balance joint 2.2 is internally provided with a filter screen 2.3 and filter cotton 2.4, so that the flying of medicament can be prevented. The spiral coil 2.1 is a spiral aluminum pipe structure, and can prevent chemicals from splashing out under the conditions of inclination and pitching of the machine body.

And an oil dipstick 1 is assembled at the position of the third threaded joint 4.4, and the oil dipstick 1 consists of an oil dipstick joint 1.1 and an aluminum pipe 1.2. The dipstick connector 1.1 is connected to a third threaded connector 4.4 and the aluminium tube 1.2 is provided with volume graduations for monitoring the volume of the medicament in the medicament storage device.

The short side that 5 outer walls of box are relative respectively is equipped with handle 5.2, makes things convenient for the transport of medicament storage device of putting out a fire.

The lower part of the long side of the box body 5 is welded with a liquid joint 10 for leading out fire extinguishing agent. The liquid connector 10 is assembled by an outlet connector 10.1 and an elbow 10.2. The outlet connection 10.1 is located at the outer end of the liquid using connection 10, and the elbow 10.2 penetrates through the bottom of the box body 5 and enters the box body 5 to be connected with the outlet connection 10.1. When fire is needed to be extinguished, the fire extinguishing agent is led out to water sprayed by the fire extinguishing aircraft through the outlet joint 10.1 to be diluted and then sprayed to extinguish the fire.

4 anti-shaking plates 7 are welded on the inner wall of the bottom end socket 6 at intervals, and two sides of each anti-shaking plate 7 are welded on the second reinforcing rib plates 5.1 on the opposite inner walls of the box body 5. The device is under vibration and overload impact working condition, and the setting of anti-shaking plate 7 has reduced the impact force of incasement liquid. Each anti-shaking plate 7 is also provided with 14 holes 7.1 which are uniformly distributed and are symmetrical left and right. The fire extinguishing agent in the device passes through the hole 7.1 to realize free circulation.

And a cleaning port 8 provided with a plug 9 is welded at the bottommost part of the bottom end socket 6 and used for completely removing liquid in the device.

The outer wall of bottom head 6 still is equipped with 12 mount pads 11, for the steadiness of reinforcing whole device, adopts the integral type structure with 12 mount pads 11 and bottom head 6.

Each mounting seat 11 is provided with 4M 6 internal thread holes, and the fire extinguishing agent storage device is fixed on a support beam on the aircraft slideway through bolts. A wire thread insert 12 is arranged in each M6 internal thread to increase the strength of the internal thread.

In order to avoid the rigid contact between the mounting seat 11 and the supporting beam on the slideway, a cushion rubber pad 13 is adhered to the outer end of the mounting seat 11. After the assembly is fastened, the 12 mounting seats 11 are in contact with the supporting beam through the cushion rubber pads 13.

And the outer wall of the bottom end enclosure 6 is also welded with a fourth reinforcing rib plate 6.2 which is arranged in a honeycomb manner so as to increase the structural strength of the bottom end enclosure 6.

The top end socket 4, the box body 5, the bottom end socket 6, the first reinforcing rib plate 4.1, the second reinforcing rib plate 5.1, the third reinforcing rib plate 6.1, the fourth reinforcing rib plate 6.2 and the mounting seat 11 are all made of 5A06 aluminum alloy materials, and the performance requirements of light weight, high strength and corrosion resistance of the storage device are met.

The 300L airborne fire extinguishing agent storage device is used for carrying out vibration and impact tests according to the requirements of RTCA/D0-160G airborne equipment environmental conditions and test procedures, and the product test is qualified.

The airborne fire extinguishing agent storage device meets the structural strength requirement, can be repeatedly filled and has long service life. The designed integrated structure of the airborne fire extinguishing agent storage device (comprising a top seal head, a first reinforcing rib plate on the inner wall of the top seal head, and all screwed joints on the top seal head, a box body, a second reinforcing rib plate on the inner wall of the box body, and liquid consumption joints on the lower part of the box body, a third reinforcing rib plate on the inner wall of the box body, and a cleaning opening and a mounting seat on the bottom of the box body) prevents structural parts on the device from loosening and scattering during vibration, and the installation convenience is realized; in addition, the first reinforcing rib plate, the second reinforcing rib plate and the third reinforcing rib plate are arranged on the inner wall of the device, so that the strength requirement of the thin wall of the device under vibration and overload impact working conditions is met.

The onboard fire extinguishing agent storage device replaces a disposable plastic barrel in the prior art, so that repeated filling of fire extinguishing agents is realized, waste caused by frequent replacement of the disposable plastic barrel is avoided, and the manufacturing cost is saved.