CN112985173A - Light sealed front end cover using supporting mechanism to improve reverse bearing capacity - Google Patents
Light sealed front end cover using supporting mechanism to improve reverse bearing capacity Download PDFInfo
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- CN112985173A CN112985173A CN202110183536.1A CN202110183536A CN112985173A CN 112985173 A CN112985173 A CN 112985173A CN 202110183536 A CN202110183536 A CN 202110183536A CN 112985173 A CN112985173 A CN 112985173A
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- end cover
- flange
- bearing capacity
- cover body
- sealing
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 124
- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 230000035939 shock Effects 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 229920001187 thermosetting polymer Polymers 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000003754 machining Methods 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 238000000748 compression moulding Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 6
- 239000006261 foam material Substances 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 2
- 238000009991 scouring Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F1/00—Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon guns
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Closures For Containers (AREA)
Abstract
The invention relates to a light sealed front end cover for improving reverse bearing capacity by using a supporting mechanism, which comprises a front end cover body, a flange, a pressure ring and the supporting mechanism, wherein the flange is used for being connected with the front end face of an emission box; the compression ring is connected with the flange; the front end cover body skirt edge is placed in the flange sealing surface, and the compression ring is pressed on the front end cover body skirt edge; the supporting mechanism is connected with the flange and is arranged close to the inner surface of the front end cover body. Compared with the prior art, the light-weight sealing front end cover is used for the front end of the launching box, and the cover is opened by using shock waves generated during launching and is broken into a plurality of pieces to fly out along the weak area of the cover; under the supporting action provided by the supporting mechanism, the reverse pressure-bearing capacity of the supporting mechanism is several times of the forward pressure-bearing capacity of the supporting mechanism.
Description
Technical Field
The invention relates to a front end cover, in particular to a light-weight sealing front end cover which improves reverse bearing capacity by using a supporting mechanism.
Background
Along with the development of missile weapon systems, missile systems with higher movement speed, higher acceleration and stronger orbital transfer capacity are continuously developed, and in order to ensure that missiles can be quickly launched, the requirement on the response speed (the capacity of smoothly opening the front end cover) of the front end cover of a launching box on shock waves generated when the missiles are launched is higher; because the gas flow generates huge pressure on the adjacent front end cover when the adjacent box is launched, and considering the bearing capacity of the launching box and the bullet, the internal opening pressure of the front end cover is far lower than the reverse bearing capacity generated when the adjacent box is launched, meanwhile, a launching box system needs to ensure certain bearing airtightness, and the internal bearing capacity of the front end cover needs to be ensured, the applicant develops a support mechanism to realize the functions, and the support mechanism has already obtained patent rights (patent number: ZL201811057058.4, patentee: Shanghai materials research institute, patent name: a limit support mechanism with unidirectional opening capacity and adjustable pretightening force).
However, at present, a cylindrical orthogonal type sealing front end cover which is uncapped by using a shock wave and realizes the reverse pressure bearing capacity which is several times of the forward pressure bearing capacity under the action of extra support does not exist.
Disclosure of Invention
The invention aims to provide a light-weight sealing front end cover which uses a supporting mechanism to improve the reverse bearing capacity.
The light sealed front end cover provided by the invention is used for the front end of a launching box, is opened by using shock waves generated during launching, is broken into a plurality of blocks along a weak area of the cover and flies out, and can realize that the reverse bearing capacity is several times of the forward bearing capacity.
The purpose of the invention can be realized by the following technical scheme:
the invention provides a light sealed front end cover for improving reverse bearing capacity by using a supporting mechanism, which comprises: the device comprises a front end cover body, a flange, a pressure ring and a supporting mechanism, wherein the flange is used for being connected with the front end face of the launching box; the compression ring is connected with the flange; the front end cover body skirt edge is placed in the flange sealing surface, and the compression ring is pressed on the front end cover body skirt edge; the supporting mechanism is connected with the flange and is arranged close to the inner surface of the front end cover body.
In one embodiment of the present invention, there are 1 flange, 1 press ring, and 1 front end cover.
In one embodiment of the invention, the flange is intended to be connected to the front end face of the launch box by standard means.
In an embodiment of the present invention, when the flange is mounted on the front end surface of the launch box, the sealing property between the front end cover and the launch box is ensured by a sealing strip, a sealing ring or a sealing gasket.
In one embodiment of the present invention, the pressure ring is connected to the flange by a screw, and the screw fastens the front end cover, the flange, and the pressure ring.
In one embodiment of the invention, the flange and the compression ring sealing surface are coated with a sealant.
In one embodiment of the invention, the support means and the flange are connected by standard means.
The supporting mechanism is attached to the inner surface of the front end cover body as much as possible.
In one embodiment of the present invention, the support mechanism is attached to an inner surface of the front cover.
In one embodiment of the present invention, the supporting mechanism adopts a limit supporting mechanism with adjustable pretightening force and unidirectional opening capability, which is defined in claim 1 of chinese patent ZL 201811057058.4.
In one embodiment of the present invention, the supporting mechanism adopts a limit supporting mechanism with unidirectional opening capability capable of adjusting pretightening force, which is defined in any one of claims 2, 3, 4, 5, 6, 7, 8 and 9 of chinese patent ZL 201811057058.4.
In one embodiment of the present invention, the structure of the support mechanism includes: the supporting device comprises main supporting pieces, secondary supporting pieces and limiting supporting blocks, wherein at least 4 limiting supporting pieces are arranged, the limiting supporting pieces are fixed on a supported product, 2 or more than 2 main supporting pieces are arranged, each main supporting piece comprises a head end and a tail end, the tail end of each main supporting piece is abutted to the limiting supporting piece, the head end of one main supporting piece is abutted to the head end of the other main supporting piece, so that the main supporting pieces are fixed on the supported product, 2 or more than 2 secondary supporting pieces are arranged, each secondary supporting piece comprises a head end and a tail end, the tail end of each secondary supporting piece is abutted to the limiting supporting piece, and the head end of each secondary supporting piece is abutted to the main supporting piece, so that the secondary supporting pieces are fixed on the supported product.
In an embodiment of the invention, the front end cover body skirt is sealed by the flange and the pressure ring through a sealant.
In one embodiment of the present invention, the front end cover skirt is fastened by the flange and the press ring by screw fitting.
In an embodiment of the present invention, when the flange is used with a sealing strip or a sealing ring, the flange is provided with a groove for installing the sealing strip or the sealing ring, and when the flange is used with a sealing gasket, the flange is not provided with the groove.
In one embodiment of the present invention, the front end cover is provided with a weak area, and when shock waves impact the front end cover, the front end cover is broken and flies out along the weak area.
In one embodiment of the invention, the inner surface of the front end cover body is designed into a cylindrical surface to be opened by shock waves.
In an embodiment of the invention, the front end cover body is designed to ensure a certain strength through an integral structure, the front end cover body can not be damaged when certain pressure gas exists in the launching box, but also can resist strong pressure generated by gas flow when adjacent launching is carried out, the pressure of the gas flow when adjacent boxes are launched is multiple times of the internal pressure bearing capacity, and the gas flow pressure when the adjacent boxes are launched is the reverse pressure bearing capacity, and the internal pressure bearing capacity is the forward pressure bearing capacity, so that the front end cover can realize the reverse pressure bearing capacity which is multiple times of the forward pressure bearing capacity.
In an embodiment of the present invention, the front end cover is formed by thermosetting resin through a mold, or the front end cover is formed by machining thermosetting foam material, or the front end cover is formed by sheet metal or machining non-ferrous metal plate, or the front end cover is formed by compression molding high-strength fiber and thermosetting resin impregnant.
In one embodiment of the invention, the flange is formed by machining and molding metal, or the flange is formed by compression molding high-strength fiber and thermosetting resin impregnant.
In one embodiment of the invention, the pressing ring is formed by machining metal or compression molding by using high-strength fiber and thermosetting resin impregnant.
In the invention, the external dimension of the front end cover is designed according to the dimension of the port of the launching box, and the height of the front end cover is designed according to the limitation of the total length of the launching box.
The light-weight sealing front end cover provided by the invention can ensure that when a missile is launched, a shock wave is uncovered, the shock wave is broken into a plurality of pieces along the weak area of the shock wave and flies out, a launching channel is made available, the light-weight sealing front end cover can bear the scouring of adjacent boxes when the adjacent boxes are launched, and the reverse pressure bearing capacity is several times of the forward pressure bearing capacity.
Compared with the prior art, the invention has the technical advantages and beneficial effects mainly embodied in the following aspects:
in the application, the front end cover body, the flange and the pressure ring are assembled through the sealing glue and the screws and are installed at the front end of the missile launching box through the standard component, so that interchangeability of the front end cover and the launching box can be realized. When the missile in the launching box is launched, the shock wave formed by the nozzle of the engine is reflected by the inner surface of the rear end cover, and then the front end cover is opened. The front end cover has lower forward bearing pressure, so that the cover opening of the launching box is easy to realize, the safety of the launching box is protected, and the reliability of the repeated use of the launching box is improved; when the front end cover is opened, the front end cover is broken into a plurality of pieces along the preset weak area to fly out, so that the launching channel is completely opened, and the missile discharging from the box is not influenced. Meanwhile, the inner surface of the front end cover is provided with the supporting mechanism, so that the reverse bearing capacity can be improved under the condition that the forward bearing capacity of the front end cover is lower, and the supporting mechanism is used for resisting shock wave impact or gas flow scouring reflected by the missile engines in the adjacent launching boxes during working. That is to say, the front end cover can be opened easily by the shock wave that the launching process formed, realizes letting away the function of guided missile passageway and protection launching box, under the effect of supporting mechanism, effectively improves reverse bearing capacity.
Drawings
FIG. 1 is a schematic view of the outer surface structure of a front end cap in example 1;
FIG. 2 is a schematic view showing the structure of the inner surface of the front end cap in embodiment 1;
FIG. 3 is an isometric view of a flange according to example 1;
FIG. 4 is an isometric view of a compression ring according to example 1;
FIG. 5 is an isometric view of a front end cover according to example 1;
the reference numbers in the figures indicate: 1 front end lid, 2 flanges, 3 clamping rings, 4 supporting mechanisms.
Detailed Description
The invention provides a light sealed front end cover for improving reverse bearing capacity by using a supporting mechanism, which comprises: the device comprises a front end cover body, a flange, a pressure ring and a supporting mechanism, wherein the flange is used for being connected with the front end face of the launching box; the compression ring is connected with the flange; the front end cover body skirt edge is placed in the flange sealing surface, and the compression ring is pressed on the front end cover body skirt edge; the supporting mechanism is connected with the flange and is arranged close to the inner surface of the front end cover body.
In one embodiment of the present invention, there are 1 flange, 1 press ring, and 1 front end cover.
In one embodiment of the invention, the flange is intended to be connected to the front end face of the launch box by standard means.
In an embodiment of the present invention, when the flange is mounted on the front end surface of the launch box, the sealing property between the front end cover and the launch box is ensured by a sealing strip, a sealing ring or a sealing gasket.
In one embodiment of the present invention, the pressure ring is connected to the flange by a screw, and the screw fastens the front end cover, the flange, and the pressure ring.
In one embodiment of the invention, the flange and the compression ring sealing surface are coated with a sealant.
In one embodiment of the invention, the support means and the flange are connected by standard means.
The supporting mechanism is attached to the inner surface of the front end cover body as much as possible.
In one embodiment of the present invention, the support mechanism is attached to an inner surface of the front cover.
In one embodiment of the present invention, the supporting mechanism adopts a limit supporting mechanism with adjustable pretightening force and unidirectional opening capability, which is defined in claim 1 of chinese patent ZL 201811057058.4.
In one embodiment of the present invention, the supporting mechanism adopts a limit supporting mechanism with unidirectional opening capability capable of adjusting pretightening force, which is defined in any one of claims 2, 3, 4, 5, 6, 7, 8 and 9 of chinese patent ZL 201811057058.4.
Namely, the structure of the support mechanism includes: the supporting device comprises main supporting pieces, secondary supporting pieces and limiting supporting blocks, wherein at least 4 limiting supporting pieces are arranged, the limiting supporting pieces are fixed on a supported product, 2 or more than 2 main supporting pieces are arranged, each main supporting piece comprises a head end and a tail end, the tail end of each main supporting piece is abutted to the limiting supporting piece, the head end of one main supporting piece is abutted to the head end of the other main supporting piece, so that the main supporting pieces are fixed on the supported product, 2 or more than 2 secondary supporting pieces are arranged, each secondary supporting piece comprises a head end and a tail end, the tail end of each secondary supporting piece is abutted to the limiting supporting piece, and the head end of each secondary supporting piece is abutted to the main supporting piece, so that the secondary supporting pieces are fixed on the supported product.
In an embodiment of the invention, the front end cover body skirt is sealed by the flange and the pressure ring through a sealant.
In one embodiment of the present invention, the front end cover skirt is fastened by the flange and the press ring by screw fitting.
In an embodiment of the present invention, when the flange is used with a sealing strip or a sealing ring, the flange is provided with a groove for installing the sealing strip or the sealing ring, and when the flange is used with a sealing gasket, the flange is not provided with the groove.
In one embodiment of the present invention, the front end cover is provided with a weak area, and when shock waves impact the front end cover, the front end cover is broken and flies out along the weak area.
In one embodiment of the invention, the inner surface of the front end cover body is designed into a cylindrical surface to be opened by shock waves.
In an embodiment of the invention, the front end cover body is designed to ensure a certain strength through an integral structure, the front end cover body can not be damaged when certain pressure gas exists in the launching box, but also can resist strong pressure generated by gas flow when adjacent launching is carried out, the pressure of the gas flow when adjacent boxes are launched is multiple times of the internal pressure bearing capacity, and the gas flow pressure when the adjacent boxes are launched is the reverse pressure bearing capacity, and the internal pressure bearing capacity is the forward pressure bearing capacity, so that the front end cover can realize the reverse pressure bearing capacity which is multiple times of the forward pressure bearing capacity.
In an embodiment of the present invention, the front end cover is formed by thermosetting resin through a mold, or the front end cover is formed by machining thermosetting foam material, or the front end cover is formed by sheet metal or machining non-ferrous metal plate, or the front end cover is formed by compression molding high-strength fiber and thermosetting resin impregnant.
In one embodiment of the invention, the flange is formed by machining and molding metal, or the flange is formed by compression molding high-strength fiber and thermosetting resin impregnant.
In one embodiment of the invention, the pressing ring is formed by machining metal or compression molding by using high-strength fiber and thermosetting resin impregnant.
In the invention, the external dimension of the front end cover is designed according to the dimension of the port of the launching box, and the height of the front end cover is designed according to the limitation of the total length of the launching box.
The light-weight sealing front end cover provided by the invention can ensure that when a missile is launched, a shock wave is uncovered, the shock wave is broken into a plurality of pieces along the weak area of the shock wave and flies out, a launching channel is made available, the light-weight sealing front end cover can bear the scouring of adjacent boxes when the adjacent boxes are launched, and the reverse pressure bearing capacity is several times of the forward pressure bearing capacity.
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
Referring to fig. 1 to 5, a lightweight front end cover for sealing, which uses a support mechanism to improve reverse bearing capacity and can also be described as a cylindrical orthogonal front end cover for sealing, which opens a cover by using a shock wave and can realize reverse bearing capacity several times as high as forward bearing capacity, the front end cover includes: front end lid 1, flange 2, clamping ring 3 and supporting mechanism 4, wherein, the front end housing is with the preceding terminal surface assembly of launching box.
The flange 2 is fixed on the terminal surface before the transmission case, and clamping ring 3 passes through the screw to be connected with flange 2, paints sealed glue with flange 2 and the 3 sealed faces of clamping ring, and 1 shirt rim of front end lid is placed in 2 sealed faces of flange, and clamping ring 3 presses on 1 shirt rim of front end lid, fastens front end lid 1, flange 2 and clamping ring 3 through the screw.
In this embodiment, the flange 2 is installed on the front end face of the launch box, and the sealing property of the end face is ensured by the sealing strip.
In the embodiment, the skirt edge of the front end cover body 1 is ensured to be sealed by the flange 2 and the pressure ring 3 through sealant, and the skirt edge of the front end cover body 1 is assembled and fastened by the flange 2 and the pressure ring 3 through screws; the flange 2 is provided with a groove for mounting a sealing ring.
In this embodiment, the supporting mechanism is connected to the flange through a standard component, and the supporting mechanism is attached to the inner surface of the front cover.
In this embodiment, the structure of the support mechanism 4 includes: the supporting device comprises main supporting pieces, secondary supporting pieces and limiting supporting blocks, wherein at least 4 limiting supporting pieces are arranged, the limiting supporting pieces are fixed on a supported product, 2 or more than 2 main supporting pieces are arranged, each main supporting piece comprises a head end and a tail end, the tail end of each main supporting piece is abutted to the limiting supporting piece, the head end of one main supporting piece is abutted to the head end of the other main supporting piece, so that the main supporting pieces are fixed on the supported product, 2 or more than 2 secondary supporting pieces are arranged, each secondary supporting piece comprises a head end and a tail end, the tail end of each secondary supporting piece is abutted to the limiting supporting piece, and the head end of each secondary supporting piece is abutted to the main supporting piece, so that the secondary supporting pieces are fixed on the supported product.
In this embodiment, the front end cover 1 is provided with a weak area, and when the shock wave impacts the front end cover, the front end cover 1 is broken along the weak area.
In this embodiment, the inner surface of the front end cover 1 is designed to be a cylindrical surface, which is beneficial to the front end cover to be opened by shock waves.
In this embodiment, the whole structure of the front-end cover body 1 is not damaged when a certain pressure gas exists in the launching box, and is easily broken by shock waves, and can resist the scouring (reverse pressure bearing capacity) of the gas flow when the adjacent box launches, and the reverse pressure bearing capacity is 3-10 times of the forward pressure bearing capacity.
In the embodiment, the front end cover body 1 is made of epoxy foaming materials and is formed by hot curing through a mold, the flange 2 is made of metal and is formed by machining, and the pressing ring 3 is made of metal and is formed by machining;
the "front end cap" shown in fig. 1 and 2 includes 1 front end cap body 1 made of epoxy resin foam material; comprises 1 flange 2 made of aluminum alloy (brand: 5A 06); comprises 1 press ring 3 made of aluminum alloy (brand: 5A 06); comprises a set of supporting mechanisms 4, and the materials are shown in patent ZL 201811057058.4. Sealing glue is smeared on the sealing surface of the flange 2 and the pressure ring 3, the skirt edge of the front end cover body 1 is placed in the sealing surface of the flange 2, the pressure ring 3 is pressed on the skirt edge of the front end cover body 1, and the front end cover body 1, the flange 2 and the pressure ring 3 are connected and fastened through screws. The supporting mechanism 4 is connected with the flange through a standard part, and the supporting mechanism is attached to the inner surface of the front cover body.
Mounting the assembled front end cover shown in figure 1 on a pressure container, slowly inflating the pressure container to make the inner surface of the front end cover body bear pressure, and reading the internal opening strength when the front end cover body is broken; and slowly inflating the pressure container to enable the outer surface of the front end cover body to bear pressure until the requirement of the external bearing capacity of the front end cover body is met.
The verification test confirms that the front end cover products shown in the figures 1 and 2 meet the indexes of internal opening strength and external bearing capacity. When the front end cover body is opened under the internal pressure, the front end cover body is broken into four pieces and flies out; the front end cover body is not damaged when bearing external pressure.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A light-weight sealed front end cover using a supporting mechanism to improve reverse bearing capacity is characterized by comprising a front end cover body (1), a flange (2), a pressure ring (3) and a supporting mechanism (4), wherein the flange (2) is used for being connected with the front end face of a launching box; the compression ring (3) is connected with the flange (2); the skirt edge of the front end cover body (1) is placed in the sealing surface of the flange (2), and the pressing ring (3) is pressed on the skirt edge of the front end cover body (1); the supporting mechanism (4) is connected with the flange (2), and the supporting mechanism (4) is arranged close to the inner surface of the front end cover body (1).
2. The light-weight front end sealing cover for improving the reverse bearing capacity by using the supporting mechanism is characterized in that when the flange (2) is installed on the front end face of the launching box, a sealing strip, a sealing ring or a sealing gasket is used for ensuring the sealing performance of the front end cover body (1) and the launching box.
3. The front end cover with the light weight and the sealing function and the improved reverse bearing capacity by using the supporting mechanism is characterized in that the pressing ring (3) is connected with the flange (2) through screws, and the screws fasten the front end cover body (1), the flange (2) and the pressing ring (3).
4. A lightweight sealed front end cover for improving reverse load bearing capacity using support means according to claim 1, characterized in that the structure of the support means (4) comprises: the supporting device comprises main supporting pieces, secondary supporting pieces and limiting supporting blocks, wherein at least 4 limiting supporting pieces are arranged, the limiting supporting pieces are fixed on a supported product, 2 or more than 2 main supporting pieces are arranged, each main supporting piece comprises a head end and a tail end, the tail end of each main supporting piece is abutted to the limiting supporting piece, the head end of one main supporting piece is abutted to the head end of the other main supporting piece, so that the main supporting pieces are fixed on the supported product, 2 or more than 2 secondary supporting pieces are arranged, each secondary supporting piece comprises a head end and a tail end, the tail end of each secondary supporting piece is abutted to the limiting supporting piece, and the head end of each secondary supporting piece is abutted to the main supporting piece, so that the secondary supporting pieces are fixed on the supported product.
5. The lightweight front end cover for sealing with the supporting mechanism to improve the reverse bearing capacity of the front end cover body according to claim 1, wherein the skirt of the front end cover body (1) is sealed by the flange (2) and the press ring (3) through a sealant;
the skirt edge of the front end cover body (1) is assembled and fastened by the flange (2) and the pressing ring (3) through screws.
6. A lightweight front end closure for sealing with improved reverse bearing capacity using support means according to claim 1, characterized in that when the flange (2) is used with a sealing strip or ring, the flange (2) is provided with a groove for mounting the sealing strip or ring, and when the flange (2) is used with a sealing gasket, the flange (2) is not provided with a groove.
7. A lightweight sealed front end cover using a support mechanism to improve reverse bearing capacity according to claim 1, characterized in that the front end cover body (1) is provided with a weakened area along which the front end cover body (1) is broken and flies out when a shock wave impacts the front end cover body (1).
8. A lightweight sealed front end cover using support means to improve reverse load bearing capacity according to claim 1, characterized in that the inner surface of the front end cover body (1) is designed as a cylindrical surface.
9. A lightweight front end closure with improved reverse load bearing capacity using bracing mechanism according to claim 1, wherein the strength of the overall structural design of the front end closure (1) is such that: the gas-fired launcher can not be damaged when certain pressure gas exists in the launcher box, and can resist strong pressure generated by gas flow during adjacent launching.
10. The light-weight front end cover for sealing, which uses a support mechanism to improve reverse bearing capacity, according to claim 1, is characterized in that the front end cover (1) is formed by thermosetting resin through a mold, or the front end cover (1) is formed by thermosetting foam material through machining, or the front end cover (1) is formed by non-ferrous metal plate through sheet metal or machining, or the front end cover (1) is formed by high-strength fiber and thermosetting resin impregnant through compression molding; and/or the presence of a gas in the gas,
the flange (2) is formed by processing metal, or the flange (2) is formed by compression molding high-strength fiber and thermosetting resin impregnating compound; and/or the presence of a gas in the gas,
the compression ring (3) is formed by processing metal, or the compression ring (3) is formed by compression molding high-strength fiber and thermosetting resin impregnating compound.
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| CN202110183536.1A CN112985173A (en) | 2021-02-10 | 2021-02-10 | Light sealed front end cover using supporting mechanism to improve reverse bearing capacity |
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| CN202110183536.1A CN112985173A (en) | 2021-02-10 | 2021-02-10 | Light sealed front end cover using supporting mechanism to improve reverse bearing capacity |
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Address after: 200437 No. 99, Handan Road, Shanghai, Hongkou District Applicant after: Shanghai Material Research Institute Co.,Ltd. Address before: 200437 No. 99, Handan Road, Shanghai, Hongkou District Applicant before: SHANGHAI Research Institute OF MATERIALS |
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