CN103438090A - Hinge made of composite material and provided with shape memory function, and preparation method of hinge - Google Patents

Hinge made of composite material and provided with shape memory function, and preparation method of hinge Download PDF

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CN103438090A
CN103438090A CN2013103604668A CN201310360466A CN103438090A CN 103438090 A CN103438090 A CN 103438090A CN 2013103604668 A CN2013103604668 A CN 2013103604668A CN 201310360466 A CN201310360466 A CN 201310360466A CN 103438090 A CN103438090 A CN 103438090A
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composite material
shape memory
hinge
memory composite
fiber
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CN103438090B (en
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白江波
熊峻江
马阅军
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Beihang University
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Beihang University
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Abstract

一种形状记忆复合材料铰链，它是一种整体的管型铰链，其横截面为上下对称并且左右对称的，横截面的轮廓线的一半为

Figure DDA0000368374560000011
型，即由中间凸弧、两侧凹弧和水平边组成，与中间凸弧、两侧凹弧和水平边相对应的为形状记忆复合材料铰链的中间凸壳、两侧凹壳和胶接面三个部分，形状记忆复合材料铰链沿长度方向分为两端的非开口区和中间段的开口区，设置中间段的开口区是为了满足折叠和展开的需要，该开口区必须对称设置在中间段的两侧凹壳附近，并且在开口时保留中间段的胶结面。一种形状记忆复合材料铰链的制备方法，它有五大步骤。本发明结构简单、综合性能优异，制备工艺操作简单，因此它具有非常好的工程应用价值。

Figure 201310360466

A shape-memory composite material hinge, which is an integral tubular hinge, its cross-section is symmetrical up and down and left-right symmetrical, and half of the outline of the cross-section is

Figure DDA0000368374560000011
Type, which is composed of the middle convex arc, the concave arcs on both sides and the horizontal side, corresponding to the middle convex arc, the concave arcs on both sides and the horizontal side are the middle convex shell, the two side concave shells and the glue joint of the shape memory composite hinge. The shape memory composite material hinge is divided into non-opening areas at both ends and opening areas in the middle section along the length direction. The opening area in the middle section is set to meet the needs of folding and unfolding. The opening area must be symmetrically arranged in the middle Near the concave shell on both sides of the segment, and retain the cemented surface of the middle segment when opening. A preparation method of a shape memory composite material hinge has five major steps. The invention has simple structure, excellent comprehensive performance and simple preparation process operation, so it has very good engineering application value.

Figure 201310360466

Description

A kind of shape memory composite material hinge and preparation method thereof
Technical field
The invention provides a kind of shape memory composite material hinge and preparation method thereof, belong to composite structure design and manufacturing technology field.
Background technique
Shape memory composite material hinge is the structure that has shape memory function by a kind of, can complete folding and launch the large deformation process and failure not.Shape memory composite material hinge is not only lightweight, and excellent performance, therefore obtains in the last few years more and more the concern, especially at space industry.Shape memory composite material hinge is divided into two classes according to folding and expansion deformation mechanism: a class is to adopt conventional composite material (polymer material in component material does not have shape memory characteristic) to make, resiliently deformable all occurs in folding and expansion process, at first make its folded deformation by applying external force, the elastic strain energy stored while while needing to launch, recycling its folded deformation completes the expansion deformation process, and then return to its initial configuration, realize shape memory function; The another kind of composite material (polymer material in component material has shape memory characteristic) that is employing itself has style characteristic is made, at first more than being heated the transition temperature of composite material of shape memory, apply external force and make its folded deformation, cooling under the folded deformation state, freeze the folded deformation state, be heated again the expansion deformation process that heated up while needing to launch, and then return to its initial configuration, realize shape memory function.Classical shape memory composite material hinge, from the structural design angle, can be divided into again split blade type shape memory composite material hinge and tubular type shape memory composite material hinge.The split blade type shape memory composite material hinge is comprised of the fixture at multi-disc composite material shell and two ends, deformability is strong, but except the composite material shell, also need extra fixture that the composite material shell is assembled up to the competence exertion effect, therefore, complex structure, integrity is poor, weight is large; The tubular type shape memory composite material hinge is that both sides need the zone of opening to carry out opening on composite tube, to meet folding and to launch needs, be a kind of be whole hinge structure, therefore, simple in structure, good integrity, lightweight.Although split blade type shape memory composite material hinge and tubular type shape memory composite material hinge are to study at present and most widely used two kinds of composite material hinges, but the deficiency of still having, i.e. horizontal bending resistance under complete deployed condition and axially anti-twisting property relatively a little less than, be unfavorable for using bearing under the condition of complex load.
Summary of the invention
The object of the present invention is to provide a kind of shape memory composite material hinge and preparation method thereof, to solve horizontal bending resistance and the axial anti-twisting property relatively weak technical problem of classical shape memory composite material hinge under complete deployed condition.
The technical solution adopted in the present invention is as follows:
1) a kind of shape memory composite material hinge of the present invention, it is a kind of cast hinge of integral body, be shape of cross section with the difference of tubular type shape memory composite material hinge, the cross section of shape memory composite material hinge of the present invention is upper and lower symmetrical and symmetrical, and half of the profile line of cross section is
Figure BDA0000368374540000021
type, be comprised of middle convex arc, both sides concave arc and horizontal edge, and corresponding with middle convex arc, both sides concave arc and horizontal edge is the recessed shell in middle convex hull, both sides and three parts of splicing face of shape memory composite material hinge of the present invention.Shape memory composite material hinge of the present invention is divided into the non-open region at two ends and the open region of intermediate section along its length, the open region that intermediate section is set is in order to meet needs folding and that launch, this and tubular type shape memory composite material hinge are similar, but the open region of shape memory composite material hinge of the present invention must be symmetricly set near the recessed shell in the both sides of intermediate section, and retain the cement plane of intermediate section when opening.
The selected composite material of shape memory composite material hinge of the present invention is comprised of reinforcing material and polymer material, polymer material in component material has shape memory characteristic, select the polymer material with shape memory characteristic to prepare shape memory composite material hinge of the present invention, utilize the shape memory characteristic of polymer material self to realize the shape memory function of the folding and expanding of shape memory composite material hinge.
Wherein, polymer material in component material can not have shape memory characteristic, select the polymer material without shape note characteristic to prepare shape memory composite material hinge of the present invention, utilize elastic strain to realize the shape memory function of the folding and expanding of shape memory composite material hinge.
2) preparation method of a kind of shape memory composite material hinge of the present invention, its preparation process is as follows:
Step 1, be identified for preparing the composite material component of this shape memory composite material hinge, i.e. reinforcing material and polymer material.
Step 2, determine the solidifying method of composite material.
Step 3, with selected composite material prepare two identical
Figure BDA0000368374540000022
type composite material shell.
Step 4, identical by two
Figure BDA0000368374540000023
the splicing face of type composite material shell is undertaken bonding by adhesive, the In A Thin-walled Tube of Composite part of formation.
Step 5, near the In A Thin-walled Tube of Composite part opening recessed shell in the both sides of intermediate section prepared by step 4, and retain the cement plane of intermediate section when opening, form the open region of intermediate section, finally just obtained shape memory composite material hinge of the present invention.Near the splicing face retained the open region of intermediate section, can effectively improve horizontal bending resistance and the axial anti-twisting property of shape memory composite material hinge of the present invention under complete deployed condition.
Wherein, " polymer material " described in step 1 is epoxy resin, vinyl benzene, styrene-butadiene, using trans-polyisoprene, cyanate, polyurethane, polynorbornene, polyimide, bismaleimides, polyamide, polyphenylene sulfide, PAEK, polyvinyl alcohol; the chopped strand that reinforcing material is carbon fiber, glass fibre, Kevlar fiber, boron fiber, vegetable fiber or above fabric or above fiber, and micron or nano level carbon dust, carbon nano-particle or carbon nano-tube.
Wherein, " the solidifying method " described in step 2 is resin transfer molding method, vacuum assisted resin injection molding forming method, TERTM forming method, air bag pressing, strengthens thermosetting resin injection moulding, hot-press tank method, vacuum bag molding, SRIM method or die pressing.
Wherein, " adhesive " described in step 4 is epoxy resin adhesive, epoxy phenolic adhesive, polyimides adhesive, phenolic resin adhesive or organic siliconresin adhesive, the concrete adhesive of which kind of type of selecting mainly determines according to the polymer material in selected component material, the curing condition of adhesive especially solidifying temperature will with component material in polymer material be complementary.
A kind of shape memory composite material hinge of the present invention and preparation method thereof, that its beneficial effect is that shape memory composite material hinge of the present invention has is simple in structure, good integrity, lightweight characteristics, and the horizontal bending resistance under complete deployed condition is with axially anti-twisting property is higher, excellent combination property, in addition, preparation method's operation of shape memory composite material hinge of the present invention is also fairly simple, and therefore, the present invention has extraordinary engineering using value.
The accompanying drawing explanation
Fig. 1 is that the master of shape memory composite material hinge looks schematic diagram
Fig. 2 is the schematic side view of shape memory composite material hinge.
Fig. 3 is the schematic top plan view of shape memory composite material hinge.
Fig. 4 is the schematic side view such as axle such as grade of shape memory composite material hinge.
Fig. 5 is preparation method's FB(flow block) of shape memory composite material hinge.
Fig. 1: 1. convex arc, 2. both sides concave arc, 3. horizontal edge in the middle of.
In Fig. 3: 4. non-open region, 5. open region, 6. non-open region.
In Fig. 4: 7. convex hull, the 8. recessed shell in both sides, 9. splicing face in the middle of.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is made further instructions.
Shape memory composite material hinge of the present invention is a kind of cast hinge of integral body, be shape of cross section with the difference of tubular type shape memory composite material hinge, the cross section of shape memory composite material hinge of the present invention is upper and lower symmetrical and symmetrical, and half of the profile line of cross section is
Figure BDA0000368374540000041
type, form (as shown in Figure 1) by middle convex arc 1, both sides concave arc 2 and horizontal edge 3, corresponding with middle convex arc 1, both sides concave arc 2 and horizontal edge 3 is the recessed shell 8 in middle convex hull 7, both sides and 9 three parts of splicing face (as shown in Figure 4) of shape memory composite material hinge of the present invention.The open region 5(that shape memory composite material hinge of the present invention is divided into the non-open region (4 and 6) at two ends and intermediate section along its length as shown in Figures 2 and 3), the open region 5 that intermediate section is set is in order to meet needs folding and that launch, this and tubular type shape memory composite material hinge are similar, but the open region of shape memory composite material hinge of the present invention 5 must be symmetricly set near the recessed shell 8 in the both sides of intermediate section, and retain the cement plane 9 of intermediate section when opening.For shape memory composite material hinge of the present invention, open region 5 foldables and the expansion of its intermediate section, can complete folding and expansion distortion on a large scale, in addition, owing near the open region 5 at intermediate section, having retained splicing face 9, can effectively improve horizontal bending resistance and the axial anti-twisting property of shape memory composite material hinge of the present invention under complete deployed condition.When design shape memory composite material hinge of the present invention, need to pay close attention to geometrical shape and the size of the open region 5 of shape of cross section, wall thickness and intermediate section.The middle convex arc 1 of shape memory composite material hinge cross section of the present invention and both sides concave arc 2 can be the circular arc of iso-curvature or the camber line of variable curvature, and horizontal edge 3 is straight line; The wall thickness suggestion of shape memory composite material hinge of the present invention is below 2mm; Choosing of the geometrical shape of the open region 5 of the intermediate section of shape memory composite material hinge of the present invention and size should make the stress level of total in folding and expansion process meet requirement of strength, can not cause the structure failure, and efficiency is high again, this can carry out analysis and design by Finite Element Method, usually adopt rectangular aperture, perhaps on the basis of rectangular aperture, then at open semicircle hole, the two ends of rectangular aperture or part circular hole.
The selected composite material of shape memory composite material hinge of the present invention is comprised of reinforcing material and polymer material, and the polymer material in its component material can not have shape memory characteristic, also can have shape memory characteristic.If select the polymer material without shape note characteristic to prepare shape memory composite material hinge of the present invention, utilize elastic strain to realize the shape memory function of the folding and expanding of shape memory composite material hinge; If select the polymer material with shape memory characteristic to prepare shape memory composite material hinge of the present invention, utilize the shape memory characteristic of polymer material self to realize the shape memory function of the folding and expanding of shape memory composite material hinge.Polymer material is epoxy resin, vinyl benzene, styrene-butadiene, using trans-polyisoprene, cyanate, polyurethane, polynorbornene, polyimide, bismaleimides, polyamide, polyphenylene sulfide, PAEK or polyvinyl alcohol; the chopped strand that reinforcing material is carbon fiber, glass fibre, Kevlar fiber, boron fiber, vegetable fiber or above fabric or above fiber, and micron or nano level carbon dust, carbon nano-particle or carbon nano-tube.
The preparation method's of shape memory composite material hinge of the present invention flow process as shown in Figure 5, at first be identified for preparing the composite material component of this shape memory composite material hinge, according to selected composite material component, determine the composite material solidification forming method, prepare on this basis two identical
Figure BDA0000368374540000042
type composite material shell, more identical by two
Figure BDA0000368374540000043
the splicing face of type composite material shell is undertaken bonding by adhesive, the In A Thin-walled Tube of Composite part formed, near the opening recessed shell 8 in both sides of the last intermediate section at the In A Thin-walled Tube of Composite part, and the cement plane 9 that retains intermediate section when opening, the open region 5 that forms intermediate section has just obtained shape memory composite material hinge of the present invention.
See Fig. 5, the preparation method of a kind of shape memory composite material hinge of the present invention, its concrete preparation process is as follows:
Step 1, be identified for preparing the composite material component of this shape memory composite material hinge, i.e. reinforcing material and polymer material.
Step 2, determine the solidifying method of composite material.
Wherein, be resin transfer molding method, vacuum assisted resin injection molding forming method, TERTM forming method, air bag pressing, strengthen thermosetting resin injection moulding, hot-press tank method, vacuum bag molding, SRIM method or die pressing in " the solidifying method " described in step 1.
Step 3, with selected composite material prepare two identical
Figure BDA0000368374540000051
type composite material shell.
Step 4, identical by two
Figure BDA0000368374540000052
the splicing face of type composite material shell is undertaken bonding by adhesive, the In A Thin-walled Tube of Composite part of formation.
Wherein, at " adhesive " described in step 4, be epoxy resin adhesive, epoxy phenolic adhesive, polyimides adhesive, phenolic resin adhesive or organic siliconresin adhesive, the concrete adhesive of which kind of type of selecting mainly determines according to the polymer material in selected component material, the curing condition of adhesive especially solidifying temperature will with component material in polymer material be complementary.
Step 5, near the In A Thin-walled Tube of Composite part opening recessed shell 8 in the both sides of intermediate section prepared by step 4, and the cement plane 9 that retains intermediate section when opening, form the open region 5 of intermediate section, finally just obtained shape memory composite material hinge of the present invention.

Claims (8)

1.一种形状记忆复合材料铰链，其特征在于：它是一种整体的管型铰链，其横截面为上下对称并且左右对称的，横截面的轮廓线的一半为
Figure FDA0000368374530000011
型，即由中间凸弧、两侧凹弧和水平边组成，与中间凸弧、两侧凹弧和水平边相对应的为形状记忆复合材料铰链的中间凸壳、两侧凹壳和胶接面三个部分，形状记忆复合材料铰链沿长度方向分为两端的非开口区和中间段的开口区，设置中间段的开口区是为了满足折叠和展开的需要，该开口区必须对称设置在中间段的两侧凹壳附近，并且在开口时保留中间段的胶结面；1. A shape memory composite material hinge is characterized in that: it is a kind of integral tubular hinge, and its cross section is symmetrical up and down and left and right symmetrical, and half of the contour line of the cross section is
Figure FDA0000368374530000011
Type, which is composed of the middle convex arc, the concave arcs on both sides and the horizontal side, corresponding to the middle convex arc, the concave arcs on both sides and the horizontal side are the middle convex shell, the two side concave shells and the glue joint of the shape memory composite hinge. The shape memory composite material hinge is divided into non-opening areas at both ends and opening areas in the middle section along the length direction. The opening area in the middle section is set to meet the needs of folding and unfolding. The opening area must be symmetrically arranged in the middle Near the concave shells on both sides of the segment, and retain the cemented surface of the middle segment when opening; 该形状记忆复合材料铰链所选用的复合材料由增强材料和聚合物材料组成，组分材料中的聚合物材料具有形状记忆特性，选用具有形状记忆特性的聚合物材料制备本发明的形状记忆复合材料铰链，则利用聚合物材料自身的形状记忆特性实现形状记忆复合材料铰链的折叠展开的形状记忆功能。The composite material selected for the shape memory composite material hinge is composed of a reinforcing material and a polymer material, the polymer material in the component material has shape memory properties, and the polymer material with shape memory properties is selected to prepare the shape memory composite material of the present invention The hinge uses the shape memory properties of the polymer material itself to realize the shape memory function of the folded and unfolded hinge of the shape memory composite material. 2.一种形状记忆复合材料铰链的制备方法，其特征在于：其制备步骤如下：2. A preparation method for a shape memory composite material hinge, characterized in that: its preparation steps are as follows: 步骤一、确定用于制备本形状记忆复合材料铰链的复合材料组分，即增强材料和聚合物材料；Step 1. Determine the composite material components used to prepare the shape memory composite material hinge, that is, the reinforcement material and the polymer material; 步骤二、确定复合材料的固化成型方法；Step 2, determining the solidification molding method of the composite material; 步骤三、用所选的复合材料制备两片相同的型复合材料薄壳；Step 3. Prepare two identical sheets with the selected composite material Type composite thin shell; 步骤四、将两片相同的
Figure FDA0000368374530000013
型复合材料薄壳的胶接面通过胶黏剂进行粘接，形成的复合材料薄壁管件；Step 4, put two pieces of the same
Figure FDA0000368374530000013
The bonding surface of the composite material thin shell is bonded by an adhesive to form a composite material thin-walled pipe fitting; 步骤五、将步骤四制备的复合材料薄壁管件在中间段的两侧凹壳附近开口，并且在开口时保留中间段的胶结面，形成中间段的开口区，最终就得到了形状记忆复合材料铰链；中间段的开口区附近保留的胶接面，能有效提高该形状记忆复合材料铰链在完全展开状态下的横向抗弯和轴向抗扭能力。Step 5. Open the composite material thin-walled pipe fittings prepared in step 4 near the concave shells on both sides of the middle section, and keep the cemented surface of the middle section when opening to form the opening area of the middle section, and finally obtain the shape memory composite material Hinge: The glue joint surface reserved near the opening area of the middle section can effectively improve the lateral bending resistance and axial torsion resistance of the shape memory composite material hinge in a fully unfolded state. 3.根据权利要求1所述的一种形状记忆复合材料铰链，其特征在于：组分材料中的聚合物材料不具有形状记忆特性，选用不具有形状记特性的聚合物材料制备该形状记忆复合材料铰链，则利用弹性形变实现形状记忆复合材料铰链的折叠展开的形状记忆功能。3. A shape-memory composite material hinge according to claim 1, characterized in that: the polymer material in the component materials does not have shape-memory properties, and the shape-memory composite material is prepared from a polymer material that does not have shape-memory properties. The material hinge uses elastic deformation to realize the shape memory function of folding and unfolding of the shape memory composite material hinge. 4.根据权利要求2所述的一种形状记忆复合材料铰链，其特征在于：步骤一中所述的“聚合物材料”为环氧树脂、苯乙烯、苯乙烯-丁二烯、反式聚异戊二烯、氰酸酯、聚氨酯、聚降冰片烯、聚酰亚胺、双马来酰亚胺、聚酰胺、聚苯硫醚、聚芳醚酮、聚乙烯醇，“增强材料”为碳纤维、玻璃纤维、Kevlar纤维、硼纤维、植物纤维或以上纤维织物。4. A shape memory composite material hinge according to claim 2, characterized in that: the "polymer material" described in step 1 is epoxy resin, styrene, styrene-butadiene, trans-polymer Isoprene, cyanate ester, polyurethane, polynorbornene, polyimide, bismaleimide, polyamide, polyphenylene sulfide, polyarylether ketone, polyvinyl alcohol, "reinforcing material" is Carbon fiber, glass fiber, Kevlar fiber, boron fiber, plant fiber or above fiber fabric. 5.根据权利要求2所述的一种形状记忆复合材料铰链，其特征在于：步骤一中所述的“增强材料”为碳纤维、玻璃纤维、Kevlar纤维、硼纤维、植物纤维的短切纤维。5. A shape memory composite material hinge according to claim 2, characterized in that: the "reinforcing material" described in step 1 is carbon fiber, glass fiber, Kevlar fiber, boron fiber, chopped fiber of plant fiber. 6.根据权利要求2所述的一种形状记忆复合材料铰链，其特征在于：步骤一中所述的“增强材料”为微米或纳米级的碳粉、碳纳米颗粒或碳纳米管。6. A shape-memory composite material hinge according to claim 2, characterized in that: the "reinforcement material" described in step 1 is carbon powder, carbon nano-particles or carbon nano-tubes of micron or nanometer scale. 7.根据权利要求2所述的一种形状记忆复合材料铰链，其特征在于：步骤二中所述的“固化成型方法”为树脂传递模塑成型方法、真空辅助树脂注塑成型方法、热膨胀树脂传递模塑成型方法、气囊压制法、增强热固性树脂注射成型、热压罐法、真空袋法、结构反应注射成型方法或模压法。7. A shape memory composite material hinge according to claim 2, characterized in that: the "curing molding method" described in step 2 is resin transfer molding method, vacuum assisted resin injection molding method, thermal expansion resin transfer molding method Molding method, bladder compression method, reinforced thermosetting resin injection molding, autoclave method, vacuum bag method, structural reaction injection molding method or compression molding method. 8.根据权利要求2所述的一种形状记忆复合材料铰链，其特征在于：步骤四中所述的“胶黏剂”为环氧树脂胶黏剂、环氧酚醛胶黏剂、聚酰亚胺胶黏剂、酚醛树脂胶黏剂和有机硅树脂胶黏剂中的一种，具体选择何种类型的胶黏剂根据所选择组分材料中的聚合物材料确定，即胶黏剂固化的条件尤其是固化温度要与组分材料中的聚合物材料相匹配。8. A shape memory composite material hinge according to claim 2, characterized in that: the "adhesive" described in step 4 is epoxy resin adhesive, epoxy phenolic adhesive, polyimide One of amine adhesives, phenolic resin adhesives, and silicone resin adhesives. The specific type of adhesive to choose is determined by the polymer material in the selected component material, that is, the curing time of the adhesive The conditions, especially the curing temperature, are matched to the polymeric materials in the component materials.
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CN105313346A (en) * 2015-11-24 2016-02-10 中航复合材料有限责任公司 Preparation method of foldable self-resilience composite material pipe type hinge
CN105356029A (en) * 2015-11-09 2016-02-24 哈尔滨工业大学 Planar reflection array antenna based on shape memory polymer composite material hinge and expansion method thereof
CN106426976A (en) * 2016-11-02 2017-02-22 上海复合材料科技有限公司 Composite-material flexible hinge and manufacturing method thereof
CN106571510A (en) * 2016-11-02 2017-04-19 上海复合材料科技有限公司 Light foldable rod antenna for aerospace and preparation method thereof
CN109204885A (en) * 2018-11-07 2019-01-15 哈尔滨工业大学 A kind of shape memory unfolding mechanism
CN109204886A (en) * 2018-11-07 2019-01-15 哈尔滨工业大学 A kind of shape memory hinge deployed configuration
CN109485851A (en) * 2018-11-06 2019-03-19 中国科学院兰州化学物理研究所 A kind of preparation method and applications of 3D printing photocurable polyimide ink
CN109804329A (en) * 2016-10-07 2019-05-24 Ab电子有限公司 Device with pedal with hinge member
CN110550237A (en) * 2019-10-12 2019-12-10 上海宇航系统工程研究所 Unfolding control device of thin-wall extending arm
CN111022113A (en) * 2019-12-20 2020-04-17 哈尔滨工业大学 A mine rescue cabin
CN111196893A (en) * 2018-11-19 2020-05-26 中国科学院宁波材料技术与工程研究所 Functional composite wire based on carbon fiber reinforced nylon and electric heating driving element made of functional composite wire
CN111472708A (en) * 2020-03-23 2020-07-31 中国石油天然气股份有限公司 Casing pipe patching pipe for casing damage well restoration and patching method thereof
CN111907733A (en) * 2020-06-28 2020-11-10 上海宇航系统工程研究所 Flexible solar wing hinge structure
CN114476140A (en) * 2022-01-25 2022-05-13 北京航空航天大学 A lightweight multi-layer expandable film hood based on composite hinge
CN115246998A (en) * 2022-08-15 2022-10-28 北京航空航天大学 A composite hinge with controlled folding and unfolding based on shape memory composites
CN116696181A (en) * 2023-06-19 2023-09-05 哈尔滨工业大学 Shape memory slow-release hinge assisting torsion spring to expand
CN118003378A (en) * 2024-03-11 2024-05-10 中国人民解放军国防科技大学 A method for manufacturing a micro crawling robot and a micro crawling robot structure

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CN103980490A (en) * 2014-05-22 2014-08-13 冷劲松 Shape memory polyimide prepared by virtue of chemical imidization and preparation method thereof
CN105356029A (en) * 2015-11-09 2016-02-24 哈尔滨工业大学 Planar reflection array antenna based on shape memory polymer composite material hinge and expansion method thereof
CN105356029B (en) * 2015-11-09 2018-06-22 哈尔滨工业大学 Plane reflection array antenna and its method of deploying based on shape memory polymer composite material hinge
CN105313346A (en) * 2015-11-24 2016-02-10 中航复合材料有限责任公司 Preparation method of foldable self-resilience composite material pipe type hinge
CN109804329A (en) * 2016-10-07 2019-05-24 Ab电子有限公司 Device with pedal with hinge member
CN109804329B (en) * 2016-10-07 2021-08-17 Ab电子有限公司 Pedal device with hinge parts
CN106426976A (en) * 2016-11-02 2017-02-22 上海复合材料科技有限公司 Composite-material flexible hinge and manufacturing method thereof
CN106571510A (en) * 2016-11-02 2017-04-19 上海复合材料科技有限公司 Light foldable rod antenna for aerospace and preparation method thereof
CN109485851A (en) * 2018-11-06 2019-03-19 中国科学院兰州化学物理研究所 A kind of preparation method and applications of 3D printing photocurable polyimide ink
CN109485851B (en) * 2018-11-06 2020-12-01 中国科学院兰州化学物理研究所 A kind of preparation method and application of photocurable polyimide ink for 3D printing
CN109204886A (en) * 2018-11-07 2019-01-15 哈尔滨工业大学 A kind of shape memory hinge deployed configuration
CN109204885A (en) * 2018-11-07 2019-01-15 哈尔滨工业大学 A kind of shape memory unfolding mechanism
CN109204885B (en) * 2018-11-07 2024-01-30 哈尔滨工业大学 Shape memory unfolding mechanism
CN109204886B (en) * 2018-11-07 2024-01-30 哈尔滨工业大学 Shape memory hinge unfolding structure
CN111196893A (en) * 2018-11-19 2020-05-26 中国科学院宁波材料技术与工程研究所 Functional composite wire based on carbon fiber reinforced nylon and electric heating driving element made of functional composite wire
CN111196893B (en) * 2018-11-19 2022-10-14 中国科学院宁波材料技术与工程研究所 Functional composite wire based on carbon fiber reinforced nylon and electrothermal driving element made of it
CN110550237A (en) * 2019-10-12 2019-12-10 上海宇航系统工程研究所 Unfolding control device of thin-wall extending arm
CN111022113A (en) * 2019-12-20 2020-04-17 哈尔滨工业大学 A mine rescue cabin
CN111472708A (en) * 2020-03-23 2020-07-31 中国石油天然气股份有限公司 Casing pipe patching pipe for casing damage well restoration and patching method thereof
CN111907733A (en) * 2020-06-28 2020-11-10 上海宇航系统工程研究所 Flexible solar wing hinge structure
CN111907733B (en) * 2020-06-28 2024-05-31 上海宇航系统工程研究所 Flexible solar wing hinge structure
CN114476140A (en) * 2022-01-25 2022-05-13 北京航空航天大学 A lightweight multi-layer expandable film hood based on composite hinge
CN115246998A (en) * 2022-08-15 2022-10-28 北京航空航天大学 A composite hinge with controlled folding and unfolding based on shape memory composites
CN116696181A (en) * 2023-06-19 2023-09-05 哈尔滨工业大学 Shape memory slow-release hinge assisting torsion spring to expand
CN116696181B (en) * 2023-06-19 2025-09-23 哈尔滨工业大学 A shape memory slow-release hinge for assisting the expansion of a torsion spring
CN118003378A (en) * 2024-03-11 2024-05-10 中国人民解放军国防科技大学 A method for manufacturing a micro crawling robot and a micro crawling robot structure
CN118003378B (en) * 2024-03-11 2024-11-22 中国人民解放军国防科技大学 A method for manufacturing a micro crawling robot and a micro crawling robot structure

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