CN210623296U - Reinforced composite material and metal material matching connection structure - Google Patents
Reinforced composite material and metal material matching connection structure Download PDFInfo
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- CN210623296U CN210623296U CN201921091308.6U CN201921091308U CN210623296U CN 210623296 U CN210623296 U CN 210623296U CN 201921091308 U CN201921091308 U CN 201921091308U CN 210623296 U CN210623296 U CN 210623296U
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- 239000007769 metal material Substances 0.000 title claims abstract description 73
- 239000011208 reinforced composite material Substances 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 49
- 210000003205 muscle Anatomy 0.000 claims description 8
- 239000002184 metal Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
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- 238000000034 method Methods 0.000 description 11
- 239000011162 core material Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
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- 230000002787 reinforcement Effects 0.000 description 4
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- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a reinforced composite material and metal material's cooperation connection structure, includes two reinforced composite material subassemblies that bilateral symmetry set up, the metal material subassembly and the connecting bolt of a plurality of peripheral hardware that the cooperation set up between two reinforced composite material subassemblies. The utility model provides a pair of reinforced composite and metal material's cooperation connection structure can effectively solve the connection reliability problem between composite and the metal crate, improves the transmission efficiency of load between different material structures, guarantees the coordination of deformation to improve the holistic security of cooperation connection structure.
Description
Technical Field
The utility model relates to a xenogenesis material connect the assembly technical field, specific reinforcement combined material and metal material's cooperation connection structure that says so.
Background
As a novel functional and structural material, the composite material has a series of advantages of light weight, high specific strength and specific stiffness, high damping performance, chemical corrosion resistance, fatigue resistance and the like, and is widely applied to the fields of aviation, aerospace, automobiles, ships, buildings, bridges and the like. With the large number of applications of composite materials, connections between composite material modules and other material modules inevitably occur. The connection is an important link for designing and manufacturing the composite material structure and also an important factor for determining the performance safety of the whole structure. Therefore, the selection or design of a reasonable connection mode is directly related to the safety of the whole structure.
For a large-scale composite material structure, in order to ensure the overall rigidity and strength, a structural form of a metal frame and a reinforced composite material is generally adopted, wherein the metal frame is a main bearing structure and bears main load, and the reinforced composite material is a secondary bearing structure and mainly provides a functional function and further provides the strength and the rigidity for the main bearing structure. The existing reinforced composite material is connected with a metal frame only through a panel, and no connection exists between a reinforcing rib and the metal frame, so that the load transmission efficiency between the metal frame and the composite material is low, the deformation between the two structures is inconsistent, and the problems that the joint is easy to damage and the like exist.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a reinforced composite and metal material's cooperation connection structure. The matching connection structure can effectively solve the problem of connection reliability between the composite material and the metal frame, improve the transmission efficiency of loads between different material structures, and ensure the coordination of deformation, thereby improving the overall safety of the matching connection structure.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a matched connecting structure of a reinforced composite material and a metal material comprises two reinforced composite material components which are arranged in bilateral symmetry, the metal material component which is arranged between the two reinforced composite material components in a matched mode and a plurality of externally-arranged connecting bolts, wherein each reinforced composite material component comprises a horizontally-arranged panel, a reinforcing rib which is perpendicular to the lower surface of the panel and a connecting joint which is arranged at one end of the panel in the length direction in an extending mode, the reinforcing ribs are arranged in the length direction of the panel, one end, close to the connecting joint, of each reinforcing rib is vertically provided with an ear plate, and the ear plates and the connecting joints form an L-shaped structure with a downward opening;
the metal material subassembly include horizontal plate and vertical board, the horizontal plate sets up on the top of vertical board, makes the longitudinal section of metal material subassembly be T font structure, on the attach fitting and the otic placode in adding the muscle combined material subassembly to and horizontal plate and the vertical board in the metal material subassembly, a plurality of screw holes have been seted up in the cooperation, a plurality of connecting bolt through this screw hole 4 with attach fitting and horizontal plate to and otic placode and vertical board link together, realize that two cooperation between adding muscle combined material subassembly and the metal material subassembly are connected.
Furthermore, the horizontal plate is arranged below the connecting joint, threaded holes in the connecting joint and the horizontal plate are perpendicular to the connecting joint and the upper surface of the horizontal plate, and threaded holes in the lug plate and the vertical plate are horizontally arranged.
Furthermore, the connecting joint is arranged at one end of the panel in a downward inclined mode, the downward inclined angle of the connecting joint is 0-60 degrees, and the horizontal plate and the connecting joint are arranged in an up-and-down parallel mode.
Furthermore, the panel, the connecting joint, the reinforcing ribs and the lug plate in the reinforced composite material component are of an integrally formed structure.
Furthermore, attach to each other about attach to connect and the horizontal plate and set up, the laminating sets up about otic placode and the vertical board.
Furthermore, a bottom plate is arranged below the vertical plate in the metal material assembly.
Furthermore, both ends of the connecting bolt for connecting the lug plate and the vertical plate are protected by gaskets.
Furthermore, the connecting bolt for connecting the horizontal plate and the connecting joint is a countersunk bolt.
Furthermore, the height of the lug plate is consistent with the height of the reinforcing rib, and the width of the lug plate is not less than four times of the diameter of the connecting bolt.
Furthermore, the face plate and the reinforcing ribs are composite material laminated plates or composite material sandwich plates, and the connecting joints and the ear plates are composite material laminated plates.
Has the advantages that:
the utility model discloses a cooperation connection structure who adds muscle combined material and metal material has effectively solved the connection problem between the shaping back of adding the muscle combined material piecemeal and the metal material, especially is connected between the combined material strengthening rib. The matched connecting structure has the advantages of reasonable design, high connecting strength, high load transfer efficiency and good deformation coordination among structural members made of different materials, so that the strength and the rigidity of the reinforced composite material and the metal material after being matched are effectively improved; meanwhile, the matching connection mode is simple to operate and good in process implementation, and rapid assembly connection between the reinforced composite material and the metal material can be realized.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
reference numerals: 1. reinforced composite material assembly, 101, panel, 102, connector, 103, reinforcing rib, 104, ear plate, 2, metal material assembly, 201, horizontal plate, 202, vertical plate, 203, bottom plate, 3, connecting bolt, 4 and threaded hole.
Detailed Description
The technical solution of the present invention will be further explained and explained in detail with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the matched connecting structure of the reinforced composite material and the metal material comprises two reinforced composite material components 1 which are arranged in bilateral symmetry, a metal material component 2 which is arranged between the two reinforced composite material components 1 in a matched mode, and a plurality of connecting bolts 3 which are arranged outside, wherein each reinforced composite material component 1 comprises a panel 101 which is horizontally arranged, a reinforcing rib 103 which is perpendicular to the lower surface of the panel 101, and a connecting joint 102 which is arranged at one end of the panel 101 in the length direction in an extending mode, the reinforcing rib 103 is arranged in the length direction of the panel 101, one end, close to the connecting joint 102, of the reinforcing rib 103 is vertically provided with an ear plate 104, the ear plate 104 and the connecting joint 102 are combined to form an L-shaped structure with a downward opening, the height of the ear plate 104 is consistent with the height of the reinforcing rib 103, and the width of the ear plate 104 is determined according to the diameter, the diameter of the connecting bolt 3 is generally more than 4 times.
The metal material assembly 2 comprises a horizontal plate 201 and a vertical plate 202, the horizontal plate 201 is arranged at the top end of the vertical plate 202, the longitudinal section of the metal material assembly 2 is in a T-shaped structure, the connecting joint 102 and the lug plate 104 in the reinforcement composite material assembly 1, and the horizontal plate 201 and the vertical plate 202 in the metal material assembly 2 are matched and provided with a plurality of threaded holes 4, the connecting joints 102 and the horizontal plate 201 are connected through the threaded holes 4 by a plurality of connecting bolts 3, and the lug plate 104 and the vertical plate 202 are connected together, so that the matching connection between the two reinforcement composite material assemblies 1 and the metal material assemblies 2 is realized.
Further, the horizontal plate 201 is arranged below the connecting joint 102, the threaded holes 4 in the connecting joint 102 and the horizontal plate 201 are arranged perpendicular to the upper surfaces of the connecting joint 102 and the horizontal plate 201, and the threaded holes 4 in the ear plate 104 and the vertical plate 202 are arranged horizontally.
Further, the thickness of the connecting joint 102 and the thickness of the ear plate 104 are both determined according to the load, and the connecting joint 102 and the panel 101 are transited by an oblique angle, and the transition angle is generally between 0 and 60 degrees. The horizontal plate 201 is disposed in parallel below the connection joint 102.
Further, the face plate 101, the connecting joint 102, the reinforcing ribs 103 and the ear plates 104 in the reinforced composite material assembly 1 are of an integrally molded structure.
Further, the connecting joint 102 and the horizontal plate 201 are attached to each other up and down, and the ear plate 104 and the vertical plate 202 are attached to each other left and right.
Further, both ends of the connecting bolt 3 for connecting the ear plate 104 and the vertical plate 202 are protected by washers.
Further, the connecting bolt 3 for connecting the horizontal plate 201 and the connecting joint 102 is a countersunk head bolt.
Further, the length of the reinforcing rib 103 is smaller than the total length of the panel 101 and the connecting joint 102.
Further, a bottom plate 203 is provided below the vertical plate 202 in the metallic material assembly 2.
In the technical scheme of the utility model, the longitudinal section of metal material subassembly can be "worker" or "T" or "]" type, and wherein, "worker" and "T" type structure generally are located the intermediate junction region (realize promptly that the cooperation between two reinforced composite material subassemblies and a metal material subassembly is connected), and "]" type structure is located the edge joint region (realize promptly that the cooperation between a reinforced composite material subassembly and a metal material subassembly is connected).
If the longitudinal section of the metal material component is of an I-shaped or T-shaped structure, the width of the connecting joint in the reinforced composite material component is required to be more than 4 times of the diameter of the connecting bolt, and the length of the connecting joint is required to be more than half of the length of a horizontal plate in the metal material component. The length of the reinforcing ribs is less than the total length of the face plate and the connecting joints minus half the thickness of the vertical plate (taking fig. 2 as an example, the transverse direction is the length, and the longitudinal direction is the width).
If the longitudinal section of the metal material component is in a ']' -shaped structure, the width of the connecting joint in the reinforced composite material component is required to be more than 4 times of the diameter of the connecting bolt, and the length of the connecting joint is required to be more than the length of a horizontal plate in the metal material component. The length of the reinforcing ribs is less than the total length of the panel and the connecting joint minus the thickness of the vertical plate (taking fig. 2 as an example, the transverse direction is the length, and the longitudinal direction is the width).
In terms of material selection of the reinforced composite material, the face plate 101 and the reinforcing ribs 103 are composite material laminated plates or composite material sandwich plates, and the connecting joint 102 and the ear plates 104 are composite material laminated plates.
The threaded hole on attach fitting and the otic placode drill according to connecting bolt's concrete position and form after the shaping of reinforced composite subassembly is accomplished.
The utility model discloses well dull and stereotyped and bottom plate need slot according to the position and the size of reinforcement muscle in the reinforced composite material subassembly in the metal material subassembly, cuts out vertical board to guarantee that the inseparable laminating of vertical board is connected in otic placode and the metal material subassembly in the reinforced composite material subassembly.
The utility model discloses better realization add the reliable connection between muscle combined material and the metal material, guarantee the coordinated deformation between two kinds of material structures, improved cooperation connection structure's security, this connection method is simple simultaneously, and the technology implementation nature is good.
Example 1:
referring to fig. 2, the metal material assembly in this embodiment is made of Q235 hull steel, the longitudinal section is in an i-shaped structure, the face plate and the reinforcing ribs of the reinforced composite material assembly are made of sandwich composite materials, and the connecting joints and the ear plates are made of composite material laminated plates, wherein the face layer composite materials of the face plate and the reinforcing ribs and the composite materials of the connecting joints and the ear plates are made of E glass fiber/vinyl resin, and the sandwich core material of the face plate and the core material of the reinforcing ribs are made of H80 foam. The whole reinforced composite material component is integrally formed by adopting a Vacuum Assisted (VARI) forming process. The thickness of the connecting joint is obtained according to the load, the length of the connecting joint is required to be more than 4 times of the diameter of the connecting bolt, and the length of the connecting joint is required to be more than half of the width of the horizontal plate. The transition included angle between the connecting joint and the panel is 0 degree. The height of the ear plate is the same as that of the reinforcing ribs.
And the horizontal plate in the metal material component is grooved according to the positions and the sizes of the reinforcing ribs and the lug plates, so that the lug plates are tightly connected with the vertical plate with the I-shaped structure. The connecting joint is connected with a horizontal plate in the metal material component by adopting a countersunk bolt. The two reinforced composite material components are connected with the vertical plates in the metal material component through connecting bolts, and the two sides of each connecting bolt are protected by gaskets.
The specific manufacturing method of this embodiment is as follows:
the reinforced composite material component is formed by adopting a vacuum auxiliary forming process, firstly, covering fiber fabrics on a sandwich flat plate are laid, then sandwich core materials are placed, fiber fabrics at the positions of connecting joints are laid, then covering fabrics under the sandwich flat plate are laid, reinforcing rib core materials are placed, reinforcing rib covering fabrics and reinforcing rib lug fabrics are laid, finally, demolding fabrics and flow guide nets are arranged, an injection pipe is laid, glue injection, solidification and demolding are completed according to the vacuum auxiliary forming process, and after the solidification is sufficient, the threaded holes of the connecting joints and the lug plates are punched.
Cutting the horizontal plate of the metal material component according to the reinforcing rib position, the width of the reinforcing rib and the width of the lug plate, placing the reinforced composite material component on the metal material component, and then drilling the connecting bolt on the metal material component according to the threaded hole position. Then, the fastening of the connecting bolt is performed.
Example 2:
with reference to fig. 2, the metal material component in this embodiment is made of Q235 hull steel, the longitudinal section is in an "i" shape, the face plate, the connection joints, and the ear plates of the reinforced composite material component are all composite material laminated plates, and the reinforcing ribs are sandwich composite material reinforcing ribs, wherein the composite materials of the face plate, the connection joints, and the ear plates, and the surface layer composite materials of the reinforcing ribs are all made of E glass fiber/vinyl resin, and the core material of the reinforcing ribs is made of H200 foam. The whole reinforced composite material component is integrally formed by adopting a Vacuum Assisted (VARI) forming process. The thickness of the connecting joint is obtained according to the load, the length of the connecting joint is required to be more than 4 times of the diameter of the connecting bolt, and the length of the connecting joint is required to be more than half of the width of the horizontal plate. The transition included angle of the connecting joint and the panel is 10 degrees. The height of the ear plate is the same as that of the reinforcing ribs.
And the horizontal plate in the metal material component is grooved according to the positions and the sizes of the reinforcing ribs and the lug plates, so that the lug plates are tightly connected with the vertical plate with the I-shaped structure. The connecting joint is connected with a horizontal plate in the metal material component by adopting a countersunk bolt. The two reinforced composite material components are connected with the vertical plates in the metal material component through connecting bolts, and the two sides of each connecting bolt are protected by gaskets.
The specific manufacturing method of this embodiment is as follows:
the reinforced composite material structure 1 and 2 is formed by adopting a vacuum auxiliary forming process, a composite material panel and a connecting joint fiber fabric are laid, a reinforcing rib core material is placed, a reinforcing rib skin fabric and a reinforcing rib lug fabric are laid, finally, a demolding fabric and a flow guide net are arranged, an injection pipe is laid, injection, curing and demolding are completed according to the vacuum auxiliary forming process, and after the curing is sufficient, the threaded holes of the connecting joint and the lug plate are punched.
Cutting the horizontal plate of the metal material component according to the reinforcing rib position, the width of the reinforcing rib and the width of the lug plate, placing the reinforced composite material component on the metal material component, and then drilling the connecting bolt on the metal material component according to the threaded hole position. Then, the fastening of the connecting bolt is performed.
Example 3:
with reference to fig. 2, the metal material assembly in this embodiment is made of Q235 hull steel, the longitudinal section is in an i-shaped structure, the face plate, the connection joints, the reinforcing ribs, and the ear plates of the reinforced composite material assembly are all composite material laminated plates, the composite materials are all made of E glass fiber/vinyl resin, and the whole reinforced composite material assembly is integrally formed by a Vacuum Assisted (VARI) forming process. The thickness of the connecting joint is obtained according to the load, the length of the connecting joint is required to be more than 4 times of the diameter of the connecting bolt, and the length of the connecting joint is required to be more than half of the width of the horizontal plate. The transition included angle between the connecting joint and the panel is 0 degree. The height of the ear plate is the same as that of the reinforcing ribs.
And the horizontal plate in the metal material component is grooved according to the positions and the sizes of the reinforcing ribs and the lug plates, so that the lug plates are tightly connected with the vertical plate with the I-shaped structure. The connecting joint is connected with a horizontal plate in the metal material component by adopting a countersunk bolt. The two reinforced composite material components are connected with the vertical plates in the metal material component through connecting bolts, and the two sides of each connecting bolt are protected by gaskets.
The specific manufacturing method of this embodiment is as follows:
the reinforced composite material components 1 and 2 are molded by adopting a vacuum auxiliary molding process, a composite material panel and a connecting joint fiber fabric are laid, a reinforced rib prefabricated plate is placed, the reinforced rib prefabricated plate and a surface layer are made of the same material, a reinforced rib outer layer and an ear plate fabric are laid, finally, a demolding cloth and a flow guide net are arranged, an adhesive injection pipe is arranged, adhesive injection, curing and demolding are completed according to the vacuum auxiliary molding process, and after the curing is sufficient, the threaded holes of the connecting joint and the ear plate are punched.
Cutting the horizontal plate of the metal material component according to the reinforcing rib position, the width of the reinforcing rib and the width of the lug plate, placing the reinforced composite material component on the metal material component, and then drilling the connecting bolt on the metal material component according to the threaded hole position. Then, the fastening of the connecting bolt is performed.
Claims (10)
1. The utility model provides a cooperation connection structure of reinforced composite and metal material which characterized in that: the reinforced composite material component comprises two reinforced composite material components (1) which are arranged in a bilateral symmetry mode, a metal material component (2) which is arranged between the two reinforced composite material components (1) in a matched mode and a plurality of externally-arranged connecting bolts (3), wherein each reinforced composite material component (1) comprises a panel (101) which is horizontally arranged, a reinforcing rib (103) which is perpendicular to the lower surface of the panel (101) and a connecting joint (102) which is arranged at one end of the panel (101) in the length direction in an extending mode, the reinforcing rib (103) is arranged in the length direction of the panel (101), one end, close to the connecting joint (102), of the reinforcing rib (103) is vertically provided with an ear plate (104), and the ear plate (104) and the connecting joint (102) form an L-shaped structure with a downward opening;
the metal material subassembly (2) include horizontal plate (201) and vertical board (202), horizontal plate (201) set up the top in vertical board (202), make the vertical section of metal material subassembly (2) be the T font structure, on horizontal plate (201) and vertical board (202) in add muscle combined material subassembly (1) connection joint (102) and otic placode (104), and in metal material subassembly (2) on, a plurality of screw holes (4) have been seted up in the cooperation, a plurality of connecting bolt (3) link together connection joint (102) and horizontal plate (201) through this screw hole (4) to and otic placode (104) and vertical board (202), realize that the cooperation between two add muscle combined material subassemblies (1) and the metal material subassembly (2) is connected.
2. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the horizontal plate (201) is arranged below the connecting joint (102), threaded holes (4) in the connecting joint (102) and the horizontal plate (201) are perpendicular to the upper surfaces of the connecting joint (102) and the horizontal plate (201), and threaded holes (4) in the ear plate (104) and the vertical plate (202) are horizontally arranged.
3. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the connecting joint (102) is arranged at one end of the panel (101) in a downward inclined mode, the downward inclined angle of the connecting joint (102) is 0-60 degrees, and the horizontal plate (201) and the connecting joint (102) are arranged in an up-and-down parallel mode.
4. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the panel (101), the connecting joint (102), the reinforcing ribs (103) and the ear plates (104) in the reinforced composite material component (1) are of an integrally formed structure.
5. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the connecting joint (102) and the horizontal plate (201) are attached up and down, and the ear plate (104) and the vertical plate (202) are attached left and right.
6. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: a bottom plate (203) is further arranged below the vertical plate (202) in the metal material assembly (2).
7. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: and both ends of the connecting bolt (3) for connecting the lug plate (104) and the vertical plate (202) are protected by gaskets.
8. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the connecting bolt (3) used for connecting the horizontal plate (201) and the connecting joint (102) is a countersunk bolt.
9. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the height of the ear plate (104) is consistent with that of the reinforcing rib (103), and the width of the ear plate (104) is not less than four times of the diameter of the connecting bolt (3).
10. The fitting connection structure of a reinforced composite material and a metal material according to claim 1, characterized in that: the face plate (101) and the reinforcing ribs (103) are composite laminated plates or composite sandwich plates, and the connecting joints (102) and the ear plates (104) are composite laminated plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091308.6U CN210623296U (en) | 2019-07-12 | 2019-07-12 | Reinforced composite material and metal material matching connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091308.6U CN210623296U (en) | 2019-07-12 | 2019-07-12 | Reinforced composite material and metal material matching connection structure |
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| CN210623296U true CN210623296U (en) | 2020-05-26 |
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| CN201921091308.6U Withdrawn - After Issue CN210623296U (en) | 2019-07-12 | 2019-07-12 | Reinforced composite material and metal material matching connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410388A (en) * | 2019-07-12 | 2019-11-05 | 中国船舶重工集团公司第七二五研究所 | A kind of mating connection structure of reinforced composite material and metal material |
-
2019
- 2019-07-12 CN CN201921091308.6U patent/CN210623296U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410388A (en) * | 2019-07-12 | 2019-11-05 | 中国船舶重工集团公司第七二五研究所 | A kind of mating connection structure of reinforced composite material and metal material |
| CN110410388B (en) * | 2019-07-12 | 2024-03-08 | 中国船舶重工集团公司第七二五研究所 | Matching and connecting structure of reinforced composite material and metal material |
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