CN209924545U - Assembled transferable antiknock structure - Google Patents
Assembled transferable antiknock structure Download PDFInfo
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- CN209924545U CN209924545U CN201822186718.0U CN201822186718U CN209924545U CN 209924545 U CN209924545 U CN 209924545U CN 201822186718 U CN201822186718 U CN 201822186718U CN 209924545 U CN209924545 U CN 209924545U
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Abstract
The utility model discloses an assembled transferable antiknock structure, which comprises a base material component, a framework component, a protective panel and an inlet and outlet channel; the utility model adopts an assembly structure as a whole, can realize quick disassembly and recovery, and is convenient for repeated use; the utility model provides an each component weight is lighter, can artifical transport, and the connection between all components is detachable construction, can realize holistic assembly through the manual work, need not be with the help of other auxiliary machinery equipment. Adopt three layer construction's skeleton subassembly, outer skeleton adopts the channel-section steel, and the intermediate level skeleton adopts the shorter steel pipe of a plurality of, and the inlayer adopts long steel pipe, makes the utility model discloses skeleton light in weight and whole antiknock performance are stronger, in addition, inside and outside, intermediate level skeleton simple structure, easily processing.
Description
Technical Field
The utility model belongs to the technical field of the protection, especially, relate to a transferable antiknock structure of assembled.
Background
The anti-explosion structure is a protective structure for resisting explosion damage and protecting safety of internal personnel and equipment, and is usually built by adopting an integrally cast-in-place or prefabricated reinforced concrete member. When the integral cast-in-place is adopted, the requirements on site conditions are high, the operation period is long, the requirements on personnel and equipment are high, and the position can not be transferred after the construction is finished; when the precast concrete member is adopted for assembly, the member has large size, heavy weight, more field construction equipment and large operation difficulty, and is not easy to be removed and transferred for reuse. In emergency rescue and other situations, a plurality of anti-explosion structures are required to be rapidly built under the condition of limited guarantee conditions to protect personnel or equipment, and the building sites are variable. The construction by adopting the two methods has long operation time, is difficult to even not be removed and transferred for reuse, has large investment and serious resource waste.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a transferable antiknock structure of assembled.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
an assembled transferable anti-explosion structure comprises a base material component, a framework component, a protective panel and an access passage;
the foundation assembly comprises two transverse foundations, two longitudinal foundations, a plurality of struts and a plurality of floors, the two transverse foundations and the two longitudinal foundations are connected to form a rectangular supporting frame, the plurality of struts are arranged between the two longitudinal foundations, the plurality of floors are arranged between adjacent struts, the transverse foundations and the longitudinal foundations are angle irons, horizontal side plates on the transverse foundations and the longitudinal foundations are arranged outwards, and a plurality of positioning columns are uniformly distributed on the upper surfaces of the horizontal side plates of the longitudinal foundations along the length direction of the horizontal side plates;
the positioning columns are provided with bases, framework components are connected between the corresponding bases on the two longitudinal base materials, and the framework components are uniformly arranged at intervals along the length direction of the longitudinal base materials;
the framework assembly comprises two side framework assemblies and a top framework assembly connected between the two side framework assemblies, the side framework assemblies are vertical, the top framework assembly is arched, the side framework assemblies and the top framework assembly are respectively composed of an outer framework, a middle framework and an inner framework, the outer framework is a channel steel, the inner framework is a hollow pipe body, the outer framework is arranged in parallel with the inner framework, the end faces of the outer framework, corresponding to the inner framework, are flush with each other, the outer framework and the inner framework are fixedly connected through the middle framework, the middle framework is composed of a plurality of connecting pipes uniformly arranged between the inner framework and the outer framework at intervals, the notch of the outer framework faces to the outside, and the bottom surface of the outer framework is welded with the outer circumferential surface of the connecting pipe;
the connecting pipe is inserted into the lower port of the inner layer framework of the top framework assembly, the connecting column is inserted into the supporting pipe on the top framework assembly, the connecting column and the supporting pipe are fixedly connected through a pin shaft penetrating through the connecting column and the supporting pipe, a strip-shaped hole is formed in the pin shaft, and a wedge-shaped clamping plate penetrates through the strip-shaped hole;
the upper ends of the two side framework assemblies are respectively connected with the two end parts of the top framework assembly, and the lower ends of the two side framework assemblies are correspondingly connected to positioning columns on the two sides of the foundation material assembly;
the framework components on the same side are connected with a plurality of supporting materials which are uniformly arranged from top to bottom at intervals, the supporting materials are channel steel, notches of the supporting materials are arranged outwards, arc-shaped notches are formed in the connecting positions of the supporting materials and the inner layer frameworks on each framework component, the inner layer frameworks are located in the arc-shaped notches, U-shaped clamps are connected to the inner layer frameworks, the U-shaped clamps are clamped on the outer surfaces of the inner layer frameworks and penetrate out of the bottom surfaces of the supporting materials, strip-shaped holes are formed in two clamp arms of each U-shaped clamp, and the U-shaped clamps are inserted into the strip-shaped holes to enable the supporting materials and the inner layer frameworks to be tightly connected;
the outer layer frameworks of two adjacent groups of framework components are covered with protective panels, each group of protective panels comprises two straight panels, two side arc panels and a top arc panel, the top arc panel is connected to the top of the top framework component, the two side arc panels are connected to the lower ends of the two sides of the top framework component, the two straight panels are correspondingly connected to the side framework component respectively, the lower side edge of the top arc panel is lapped on the outer surface of the side arc panel, and the lower side edge of the side arc panel is lapped on the outer surface of the straight panel; the joint between two adjacent groups of protective panels corresponds to the notch of the outer layer framework on the framework component;
end walls are respectively arranged on the framework assemblies positioned at the frontmost end and the rearmost end, each end wall comprises an H-shaped framework and a plurality of end plates, the upper end of each H-shaped framework is connected with the top of each framework assembly, the lower end of each H-shaped framework is connected with a transverse foundation material, the end plates are connected between the left side edge and the right side edge of each H-shaped framework and each framework assembly, the end plates are laid in notches at the upper ends of the H-shaped frameworks, and notches at the lower ends of the H-shaped frameworks are arranged as;
be connected with the access way on H shape frame, the access way corresponds to exit, the access way includes two parallel U-shaped foundatin material, a plurality of diaphragm and curb plate, and the one end fixed connection of two U-shaped foundatin material is in on the horizontal foundatin material, be provided with a plurality of diaphragms between two U-shaped foundatin material, laid a plurality of bottom plates between the adjacent diaphragm, be connected with a plurality of curb plates in the notch on two U-shaped foundatin material respectively, be connected with the roof between the upper end of the last corresponding curb plate of two U-shaped foundatin material, through angle bar fixed connection between the side that roof and curb plate contacted.
It is further preferred be provided with the link plate in the notch of outer skeleton, at straight panel, all be provided with the couple on the medial surface of lateral part cambered surface board and top cambered surface board, articulate through the couple and realize being connected of straight panel/lateral part cambered surface board/top cambered surface board and outer skeleton on the link plate, be provided with the locating plate in the notch of the outer skeleton that the seam of adjacent group's protective panel corresponds, the outside end of locating plate stretches out the notch of outer skeleton and is located adjacent group between the protective surface board, the bar hole has been seted up on the part that the locating plate stretches out outer skeleton notch, wear to establish the wedge cardboard through the bar hole and make adjacent group's protective surface board by tightly the joint on outer skeleton.
Due to the adoption of the technical scheme, the utility model discloses following superiority has:
1. the utility model adopts an assembly structure as a whole, can realize quick disassembly and recovery, and is convenient for repeated use;
2. the utility model provides an each component weight is lighter, can artifical transport, and the connection between all components is detachable construction, can realize holistic assembly through the manual work, need not be with the help of other auxiliary machinery equipment.
3. The framework with a three-layer structure is adopted, the outer-layer framework adopts channel steel, the middle-layer framework adopts a plurality of shorter steel pipes, and the inner layer adopts long steel pipes, so that the framework of the utility model has light weight and strong overall anti-explosion performance;
4. the middle layer framework and the base consume explosion energy through self deformation, and the anti-explosion performance of the whole structure is improved;
5. the panels are hung on the framework, and the adjacent panels are lapped, so that the waterproof effect is effectively improved.
Drawings
FIG. 1 is a schematic view of a base material assembly;
FIG. 2 is a schematic structural view of a skeletal assembly;
FIG. 3 is a schematic connection diagram of an outer layer skeleton, a middle layer skeleton and an inner layer skeleton;
FIG. 4 is a schematic structural view of a protective panel;
FIG. 5 is a schematic structural view of the end wall;
FIG. 6 is a schematic structural view of an access duct;
FIG. 7 is a schematic structural view of the hanging plate and the clamping plate;
fig. 8 is a schematic structural view of the present invention;
FIG. 9 is a schematic view of the connection of the support tie;
in the figure: 1. a base material assembly; 101. a transverse base material; 102. a positioning column; 103. a longitudinal base material; 104. supporting the material; 105. a floor; 2. a skeletal assembly; 201. a top skeleton assembly; 202. a side frame assembly; 3. an outer layer skeleton; 4. a middle layer skeleton; 5. an inner layer skeleton; 6. a protective panel; 601. a top arcuate panel; 602. a side arcuate panel; 603. a flat panel; 7. an end wall; 701. an H-shaped frame; 702. an end plate; 8. an access passage; 801. a top plate; 802. a side plate; 803. a U-shaped base material; 804. a base plate; 9. hanging the plate; 10. positioning a plate; 11. a base; 12. supporting the tie; 13. a U-shaped card; 14. wedge-shaped clamping plates.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in FIG. 8, a convertible antiknock structure of assembled, including foundatin material subassembly 1, skeleton subassembly 2, protective panel 6, headwall 7 and access way 8, the utility model discloses an assembled structure can only lean on the manual work to realize assembling fast and dismantle, and flexible flexibility is very strong.
As shown in fig. 1 and 9, the foundation assembly 1 includes two horizontal foundations 101, two vertical foundations 103, a plurality of struts 104 and a plurality of floors 105, the rectangular support frame is formed after the two horizontal foundations 101 are connected with the two vertical foundations 103, the plurality of struts 104 are disposed between the two vertical foundations 103, the plurality of floors 105 are disposed between the adjacent struts 104, the horizontal foundations 101 and the vertical foundations 103 are angle irons, the horizontal side plates of the horizontal foundations 101 and the vertical foundations 103 are all arranged outwards, a plurality of positioning columns 102 are uniformly disposed on the upper surfaces of the horizontal side plates of the vertical foundations 103 along the length direction, the positioning columns 102 are provided with bases 11, the corresponding bases 11 of the two vertical foundations 103 are connected with the framework assembly 2, and the framework assembly 2 is uniformly disposed along the length direction of the vertical foundations 103 at intervals.
As shown in fig. 2 and 3, the framework assembly 2 comprises two side framework assemblies 202 and a top framework assembly 201 connected between the two side framework assemblies 202, the side framework assemblies 202 are vertical, the top framework assembly 201 is arched, the side framework assemblies 202 and the top framework assembly are composed of an outer framework 3, an intermediate framework 4 and an inner framework 5, the outer framework 3 is a channel steel, the inner framework 5 is a hollow pipe body, the outer framework 3 and the inner framework 5 are arranged in parallel, the corresponding end surfaces of the outer framework 3 and the inner framework 5 are flush, the outer framework 3 and the inner framework 5 are fixedly connected through the intermediate framework 4, and the intermediate framework 4 is composed of a plurality of connecting pipes uniformly arranged between the inner framework and the outer framework at intervals; the connecting pipe can consume explosion energy through self deformation under the action of explosion load, so that the anti-explosion performance of the whole structure is improved; the notch of outer skeleton is towards the outside, and the bottom surface of outer skeleton and the outer circumferential surface welding of connecting pipe.
The utility model discloses a skeleton subassembly 2 adopts three layer construction to outer skeleton 5 adopts the channel-section steel, and intermediate level skeleton 4 adopts the shorter steel pipe of a plurality of, and inner layer skeleton 3 adopts long steel pipe, makes the utility model discloses the whole bending resistance of skeleton can be stronger, moreover, the utility model discloses a whole weight is lighter to with artifical rapid Assembly, in addition, inside and outside, intermediate level skeleton simple structure, easily processing.
In order to facilitate quick assembly, the side frame assembly 202 and the top frame assembly 201 are connected in a plugging manner, specifically: outer skeleton 3 and the 5 upper ends of inlayer skeleton on the lateral part skeleton subassembly 202 correspond and are provided with rectangular pipe and connecting pipe the welding has the spliced pole between outer skeleton 3 and the 5 upper ends of inlayer skeleton, and the welding has the stay tube between outer skeleton 3 and the inlayer skeleton 5 of top skeleton subassembly 201, and the rectangular pipe is pegged graft in the lower port of the outer skeleton 3 of top skeleton subassembly 201, the connecting pipe is pegged graft in the lower port of the inlayer skeleton of top skeleton subassembly, and the spliced pole is pegged graft in the stay tube on the skeleton subassembly of top to fixed connection is realized through the round pin axle that passes both to spliced pole and stay tube to sell epaxial strip hole of having seted up, wear to be equipped with the wedge cardboard in the.
The upper ends of the two side frame assemblies 202 are respectively connected with the two end parts of the top frame assembly 201, and the lower ends of the two side frame assemblies 202 are correspondingly connected to the positioning columns 102 on the two sides of the base material assembly 1.
In order to guarantee the support intensity and the antiknock effect of skeleton subassembly 2, be connected with a plurality of support system materials 12 on the skeleton subassembly 2 of same one side, a plurality of support system materials 12 top-down interval are evenly arranged, and support system material 12 is the channel-section steel, as shown in fig. 9, the notch that supports system material 12 sets up outwards, and the arc notch has been seted up with the junction of inner skeleton 5 on each skeleton subassembly to support system material 12, inner skeleton 5 is located the arc notch, is connected with U-shaped card 13 on inner skeleton 5, and U-shaped card 13 joint is worn out on inner skeleton 5's surface and from the tank bottom surface that supports system material 12, has seted up the bar hole on two card arms of U-shaped card 13, wears to establish wedge cardboard 14 through the bar hole and realizes that the U-shaped card will support system material 12 and inner skeleton 5 fastening connection.
As shown in fig. 4, the outer layer skeleton 3 of the skeleton assembly 2 is covered with a protection panel 6, the protection panel 6 comprises two straight panels 603, two side arc panels 602 and a top arc panel 601, the top arc panel 601 is connected to the top of the top skeleton assembly 201, the two side arc panels 602 are connected to the lower ends of the two sides of the top skeleton assembly 201, the two straight panels 603 are correspondingly connected to the side skeleton assembly 202, the lower side of the top arc panel 601 is lapped on the outer surface of the side arc panel 602, and the lower side of the side arc panel 602 is lapped on the outer surface of the straight panel 603; the seam between two adjacent sets of protective panels 6 corresponds to the notch of the outer layer framework 3 on the framework component 2.
The width of the flat panel 603, the side arcuate panels 602 and the top arcuate panel 601 in each set of protective panels 6 is the same.
In the utility model, as the optimization, each group of the protection panels 6 can cover three framework components 2, and the seam between the adjacent protection panels 6 is just positioned at the notch of the outer framework 3, so that even if the seam between the protection panels 6 has running water, the water can flow into the notch of the outer framework 3 and can not enter the interior, thereby effectively improving the waterproof effect; in addition, the straight panel 603, the side arc-shaped panels 602 and the top arc-shaped panel 601 in each group of the protection panels 6 are all lapped, and the waterproof effect is further ensured.
Be located to be provided with headwall 7 on skeleton subassembly 2 of foremost and rearmost end respectively, as shown in fig. 5, headwall 7 includes H shape frame 701 and a plurality of end plate 702, and H shape frame 701 upper end is connected with skeleton subassembly 2's top, and H shape frame 701 lower extreme is connected with horizontal foundatin material 101, is connected with end plate 702 between the side and the skeleton subassembly 2 about H shape frame 701, has laid end plate 702 in H shape frame 701 upper end notch, and H shape frame 701 lower extreme notch is established to import and export.
Be connected with access way 8 on H shape frame 701, as shown in fig. 6, access way 8 corresponds to exit, access way 8 includes two parallel U-shaped foundatin materials 803, a plurality of diaphragm and curb plate 802, and the one end fixed connection of two U-shaped foundatin materials 803 is in on the horizontal foundatin material 101, be provided with a plurality of diaphragms between two U-shaped foundatin materials 803, laid a plurality of bottom plates 804 between the adjacent diaphragm, be connected with a plurality of curb plates 802 respectively in the notch on two U-shaped foundatin materials 803, be connected with roof 801 between the upper end of the corresponding curb plate on two U-shaped foundatin materials 803, through angle bar fixed connection between the side that roof 801 and curb plate 802 contacted.
As the utility model discloses a preferred, curb plate 802 and roof 801 all comprise inside and outside two-layer panel and sandwich layer, and the sandwich layer comprises frame and the insulation material of packing in the frame, and the sandwich layer is located between the inside and outside two-layer panel to inside and outside two-layer panel is connected with rivet for the sandwich layer.
As shown in fig. 7, be provided with link plate 9 in the notch of outer skeleton 3, at straight panel 603, all be provided with the couple on the medial surface of lateral part arc panel 602 and top arc panel 601, articulate through the couple and realize being connected of straight panel/lateral part arc panel and outer skeleton 3 on link plate 9, be provided with locating plate 10 in the notch of the outer skeleton that the seam of adjacent group's protective panel 6 corresponds, the outside end of locating plate 10 stretches out the notch of outer skeleton 3 and lies in between the adjacent group's protective panel 6, the bar hole has been seted up on the part that locating plate 10 stretches out outer skeleton 3 notch, wear to establish wedge cardboard 14 through the bar hole and make adjacent group's protective panel tightly the joint on outer skeleton.
The utility model discloses in, wedge cardboard 14 be the flat structure that one end is narrow, the other end is wide, the width of the wedge cardboard other end will be greater than the width in bar hole.
Claims (2)
1. An assembled transferable anti-explosion structure comprises a base material component, a framework component, a protective panel and an access passage; the method is characterized in that:
the foundation assembly comprises two transverse foundations, two longitudinal foundations, a plurality of struts and a plurality of floors, the two transverse foundations and the two longitudinal foundations are connected to form a rectangular supporting frame, the plurality of struts are arranged between the two longitudinal foundations, the plurality of floors are arranged between adjacent struts, the transverse foundations and the longitudinal foundations are angle irons, horizontal side plates on the transverse foundations and the longitudinal foundations are arranged outwards, and a plurality of positioning columns are uniformly distributed on the upper surfaces of the horizontal side plates of the longitudinal foundations along the length direction of the horizontal side plates;
the positioning columns are provided with bases, framework components are connected between the corresponding bases on the two longitudinal base materials, and the framework components are uniformly arranged at intervals along the length direction of the longitudinal base materials;
the framework assembly comprises two side framework assemblies and a top framework assembly connected between the two side framework assemblies, the side framework assemblies are vertical, the top framework assembly is arched, the side framework assemblies and the top framework assembly are respectively composed of an outer framework, a middle framework and an inner framework, the outer framework is a channel steel, the inner framework is a hollow pipe body, the outer framework is arranged in parallel with the inner framework, the end faces of the outer framework, corresponding to the inner framework, are flush with each other, the outer framework and the inner framework are fixedly connected through the middle framework, the middle framework is composed of a plurality of connecting pipes uniformly arranged between the inner framework and the outer framework at intervals, the notch of the outer framework faces to the outside, and the bottom surface of the outer framework is welded with the outer circumferential surface of the connecting pipe;
the connecting pipe is inserted into the lower port of the inner layer framework of the top framework assembly, the connecting column is inserted into the supporting pipe on the top framework assembly, the connecting column and the supporting pipe are fixedly connected through a pin shaft penetrating through the connecting column and the supporting pipe, a strip-shaped hole is formed in the pin shaft, and a wedge-shaped clamping plate penetrates through the strip-shaped hole;
the upper ends of the two side framework assemblies are respectively connected with the two end parts of the top framework assembly, and the lower ends of the two side framework assemblies are correspondingly connected to positioning columns on the two sides of the foundation material assembly;
the framework components on the same side are connected with a plurality of supporting materials which are uniformly arranged from top to bottom at intervals, the supporting materials are channel steel, notches of the supporting materials are arranged outwards, arc-shaped notches are formed in the connecting positions of the supporting materials and the inner layer frameworks on each framework component, the inner layer frameworks are located in the arc-shaped notches, U-shaped clamps are connected to the inner layer frameworks, the U-shaped clamps are clamped on the outer surfaces of the inner layer frameworks and penetrate out of the bottom surfaces of the supporting materials, strip-shaped holes are formed in two clamp arms of each U-shaped clamp, and the U-shaped clamps are inserted into the strip-shaped holes to enable the supporting materials and the inner layer frameworks to be tightly connected;
the outer layer frameworks of two adjacent groups of framework components are covered with protective panels, each group of protective panels comprises two straight panels, two side arc panels and a top arc panel, the top arc panel is connected to the top of the top framework component, the two side arc panels are connected to the lower ends of the two sides of the top framework component, the two straight panels are correspondingly connected to the side framework component respectively, the lower side edge of the top arc panel is lapped on the outer surface of the side arc panel, and the lower side edge of the side arc panel is lapped on the outer surface of the straight panel; the joint between two adjacent groups of protective panels corresponds to the notch of the outer layer framework on the framework component;
end walls are respectively arranged on the framework assemblies positioned at the frontmost end and the rearmost end, each end wall comprises an H-shaped framework and a plurality of end plates, the upper end of each H-shaped framework is connected with the top of each framework assembly, the lower end of each H-shaped framework is connected with a transverse foundation material, the end plates are connected between the left side edge and the right side edge of each H-shaped framework and each framework assembly, the end plates are laid in notches at the upper ends of the H-shaped frameworks, and notches at the lower ends of the H-shaped frameworks are arranged as;
be connected with the access way on H shape frame, the access way corresponds to exit, the access way includes two parallel U-shaped foundatin material, a plurality of diaphragm and curb plate, and the one end fixed connection of two U-shaped foundatin material is in on the horizontal foundatin material, be provided with a plurality of diaphragms between two U-shaped foundatin material, laid a plurality of bottom plates between the adjacent diaphragm, be connected with a plurality of curb plates in the notch on two U-shaped foundatin material respectively, be connected with the roof between the upper end of the last corresponding curb plate of two U-shaped foundatin material, through angle bar fixed connection between the side that roof and curb plate contacted.
2. The fabricated transferable blast-resistant structure of claim 1, wherein: be provided with the link plate in the notch of outer skeleton, at straight panel, all be provided with the couple on the medial surface of lateral part cambered surface board and top cambered surface board, articulate through the couple and realize being connected of straight panel/lateral part cambered surface board/top cambered surface board and outer skeleton on the link plate, be provided with the locating plate in the notch of the outer skeleton that the seam of adjacent group's protective surface board corresponds, the outside end of locating plate stretches out the notch of outer skeleton and is located between the adjacent protective surface board of organizing, the bar hole has been seted up on the part that stretches out outer skeleton notch at the locating plate, wear to establish the wedge cardboard through the bar is downthehole to make adjacent protective surface board of organizing by tight joint on outer skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186718.0U CN209924545U (en) | 2018-12-20 | 2018-12-20 | Assembled transferable antiknock structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822186718.0U CN209924545U (en) | 2018-12-20 | 2018-12-20 | Assembled transferable antiknock structure |
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| CN209924545U true CN209924545U (en) | 2020-01-10 |
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| CN201822186718.0U Active CN209924545U (en) | 2018-12-20 | 2018-12-20 | Assembled transferable antiknock structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854057A (en) * | 2018-12-20 | 2019-06-07 | 中国人民解放军军事科学院国防工程研究院 | A kind of transferable explosion resistant structure of assembled |
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2018
- 2018-12-20 CN CN201822186718.0U patent/CN209924545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854057A (en) * | 2018-12-20 | 2019-06-07 | 中国人民解放军军事科学院国防工程研究院 | A kind of transferable explosion resistant structure of assembled |
| CN109854057B (en) * | 2018-12-20 | 2024-03-26 | 中国人民解放军军事科学院国防工程研究院 | Assembled transferable antiknock structure |
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