1214 results about "Sheet structure" patented technology

The invention discloses a rod type six-component high-precision trace rolling moment wind tunnel balance and a measurement method, and belongs to the technical field of aerospace force measurement test power measurement. According to the invention, the problems of large processing difficulty, long processing period and incapability of meeting aviation tests in research and development of micro rolling moment balances at present are solved. A longitudinal column beam, a transverse column beam and a roll-on *-shaped beam are connected between a front cone and a combined element and between a rear cone and the combined element respectively, a resistance beam is arranged on the combined element, the thickness range of sheet beams of a multi-sheet structure of the longitudinal column beam is 0.5 mm-0. 8mm, the gap range of the sheet beams is 0.5 mm-1mm, the thickness range of sheet beams of a multi-sheet structure of the transverse column beam is 0.5 mm-0. 8mm, and the gap range of the sheet beams is 0.5 mm-1mm. According to the rod type six-component high-precision trace rolling moment wind tunnel balance and the measurement method, rolling output is effectively increased, and matching output of small rolling moment and loads in other directions is achieved.

The invention relates to the field of precise driving and positioning, in particular to a multi-mode bidirectional movement rotary piezoelectric motor. Comprising a base, a rotor mechanism, a stator mechanism and a pre-tightening mechanism, the stator mechanism comprises a flexible metal oscillator connected to the pre-tightening sliding block. The flexible metal oscillator comprises a diamond frame of a sheet structure and an elastic metal substrate connected between a set of opposite angles in the diamond frame. The two groups of piezoelectric ceramic pieces are symmetrically fixed on the same side surface of the elastic metal substrate; the motor further comprises a first driving foot and a second driving foot which are fixed to the flexible metal vibrator, the first driving foot and the second driving foot are fixed to the two adjacent corners of the rhombic frame body respectively, and the first driving foot and the second driving foot make contact with the inner ring of the rotor bearing. According to the technical scheme, through the asymmetric structural design, the rhombic flexible metal oscillator can generate two working modes, so that the motor realizes bidirectional rotation under the condition that the voltage and the structure are not changed.

The invention belongs to the technical field of electrochemistry, and particularly relates to a hard carbon material, a secondary battery and an electronic device. The hard carbon material is of a sheet-shaped structure, the length of the sheet-shaped structure is L, the width of the sheet-shaped structure is D1, and L is larger than or equal to 2 micrometers and smaller than or equal to 16 micrometers; d1 satisfies 0.1 [mu] m < = D1 < = 3 [mu] m. According to the invention, the length and width parameters of the sheet structure of the hard carbon material are regulated to be within the range, so that particles of the hard carbon material have good contact, better processing performance and higher gram volume, the compaction density of the battery pole piece is further improved, the resistance of the pole piece is reduced, and the service life of the battery pole piece is prolonged. The rate capability and the cycle performance of the secondary battery are improved while the energy density of the secondary battery is improved.

The invention relates to a composite sensor for acceleration and pressure monitoring and a working method thereof, and belongs to the field of sensors, the composite sensor comprises an upper shell, a middle shell and a lower shell, the upper end of the upper shell is provided with an M6 mounting thread, the lower end of the upper shell is a hexagonal base, and a groove space is reserved in the inner side of the lower end of the hexagonal base; the appearance of the middle shell is a hexagonal base, and M5 mouthpiece installation holes are formed in the left side and the right side of the middle shell. A double-end beam sheet is arranged in the middle of the inner side of the middle shell and is of a sheet-shaped structure, and the two ends of the double-end beam sheet are fixedly connected with the front inner wall and the rear inner wall of the middle shell or integrally formed. The center of the double-end beam sheet is provided with an integrally connected cylindrical screw rod, and the cylindrical screw rod is provided with an acceleration sensor core body structure; the appearance of the lower shell is a hexagonal base, and a mounting groove is formed in the bottom of the lower shell and used for mounting a pressure sensor core structure; the upper shell, the middle shell and the lower shell are connected in a welded mode. The device is simple in structure, can realize synchronous monitoring of acceleration and pressure without mutual interference, and can realize multi-scene application at the same time.

The invention relates to the technical field of robots. According to the touch sensing fingertip device, protection of a touch sensor in fine operation of a mechanical arm is achieved, and objects of sheet structures can be grabbed more accurately. Specifically, through the bionic fingernail part installed on the back side of the fingertip body, the protection part of the bionic fingernail part extends forwards and exceeds the highest point of the touch sensor, and a cantilever protection structure similar to a human fingernail is formed; the protection parts form a physical barrier (for example, the protection parts are preferentially contacted during grabbing) in a non-contact state by utilizing a reasonable coverage range of the bionic nail part, and meanwhile, when the protection parts are matched with fingers on the opposite side, the two corresponding protection parts can be matched to grab an object of a sheet-shaped structure; according to the design, the durability of the sensor in a complex environment is improved, and the accuracy of grabbing the sheet-shaped objects is improved.

The utility model provides a prestressed corrugated steel plate reinforced shield segment structure. The prestressed corrugated steel plate reinforced shield segment structure comprises an arch crown corrugated steel plate, a left side arch shoulder corrugated steel plate, a right side arch shoulder corrugated steel plate, a left side haunch corrugated steel plate, a right side haunch corrugated steel plate, a left side bracket, a right side bracket, a ballast bed steel plate, a hinge bolt, a prestressed steel strand, a prestressed tension support and a prestressed anchorage device. Every two adjacent arc-shaped corrugated steel plates are connected through a hinge bolt, prestressed tension supports are symmetrically arranged on the two sides of a joint of the corrugated steel plates, prestressed steel strands are anchored to the two ends of the supports through single-hole prestressed anchorage devices, and all the corrugated steel plates are connected to form a collaboratively stressed whole. The steel corbel at the bottom of the reinforcing structure provides reliable support for the upper corrugated steel plate. The shield segment is light in weight, large in out-of-plane rigidity, high in buckling resistance, easy to produce and machine and convenient to construct and install, the bearing capacity and deformation resistance of the shield segment structure are remarkably improved by applying prestress to the arc-shaped corrugated steel plates, and convergence deformation of the segment is restrained.

The invention relates to a thermoplastic composition comprising A) polybutylene adipate terephthalate (PBAT), B) CaCO3 powder, C) one or more citric acid triesters, and optionally D) optional auxiliary components, wherein the components A) to D) add up to 100 weight-%. The invention further relates to article comprising such compositions, a stone paper comprising a sheet structure consisting of the thermoplastic composition, and a method for the manufacture of such stone paper.

The utility model discloses a stacked fire cover, a combustor and a stove, and belongs to the technical field of kitchen electric appliances. The stacked fire cover is formed by alternately stacking a plurality of first laminations and a plurality of second laminations, the first laminations and the second laminations are each of a hollow sheet-shaped structure, the first laminations are provided with concave parts extending in the radial direction of the first laminations, the multiple concave parts are arranged at intervals along the circumferential sides of the first laminations, and a groove is formed between every two adjacent concave parts; the outermost layers of the stacked fire covers are second laminations, and the second laminations attached to the outer surfaces of the concave parts are matched with the single grooves to form single fire outlet holes extending in the radial direction of the first laminations. According to the stacked fire cover, the height of the stacked fire cover can be flexibly adjusted according to needs so as to meet the needs of combustors of different sizes, the design cost and the manufacturing cost can be reduced, and market popularization of products is facilitated. The burner and the stove are low in cost by applying the stacked fire cover, and market popularization of products is facilitated.

The invention discloses an insertion tube, an insertion part and an endoscope, and belongs to the technical field of endoscopes. The insertion pipe comprises a bent pipe and a clamping piece, a mounting groove is formed in the side wall of the bent pipe, and the mounting groove penetrates through the two ends of the bent pipe in the axial direction of the bent pipe; the clamping piece is of a sheet structure made of a flexible material, the clamping piece comprises an inner wall surface, a first side wall, an outer wall surface and a second side wall which are sequentially arranged in the circumferential direction of the clamping piece, and the first side wall and the second side wall are connected with the inner wall surface and the outer wall surface; the clamping piece can be extruded into the mounting groove by the camera module along the radial direction of the bent pipe, so that the inner wall of the mounting groove is attached to the outer wall surface, an accommodating cavity for assembling the camera module is defined by the inner wall surface, and the first side wall and the second side wall abut against each other to isolate a notch of the mounting groove from the accommodating cavity. According to the application, the clamping piece is arranged, the clamping piece is matched with the camera module, the clamping piece is assembled while the camera module is assembled, and meanwhile, the clamping piece wraps the camera module to isolate pollution.

The invention relates to the technical field of semiconductors, in particular to a SiC power device heat dissipation type ceramic packaging structure which comprises a substrate, a silicon carbide device and a ceramic package, a plurality of heat conduction plates are fixedly arranged on the left inner wall and the right inner wall of the ceramic package, and wavy heat conduction pieces are fixedly arranged on the end faces, away from the ceramic package, of the heat conduction plates. The lower surface of the convex surface part of the wavy heat-conducting fin abuts against the upper surface of the silicon carbide device, the lower surface of the concave surface part of the wavy heat-conducting fin is fixedly provided with a plurality of I-shaped heat-conducting fins which are arranged in parallel at equal intervals left and right, the bottom ends of the I-shaped heat-conducting fins are fixedly provided with S-shaped heat-conducting fins, and the bottom ends of the S-shaped heat-conducting fins are fixedly provided with L-shaped heat-conducting fins. The silicon carbide device can be clamped together with the substrate through the heat conduction type elastic sheet structure composed of the heat conduction plate, the wave-shaped heat conduction sheet, the I-shaped heat conduction sheet, the S-shaped heat conduction sheet and the L-shaped heat conduction sheet, and the heat conduction type elastic sheet is connected with the ceramic package to construct an efficient heat conduction heat dissipation channel.

The invention belongs to the technical field of die casting performance prediction, relates to an equivalent material piece simulation optimization method and system based on a large-size casting solidification path, and particularly relates to an equivalent material piece simulation optimization method and system based on a large-size casting solidification path by analyzing key structure characteristics of a large-size integrated die casting and designing an ultra-long-size equivalent solidification path simulation material piece structure. The mold filling distance of the molten metal is consistent with the mold filling path of the key structure of the large-size casting; by combining a mold flow analysis method, under the condition that production process parameters such as die-casting pressure are completely consistent with actual production process parameters of a die casting, high-precision simulation of the equivalent material sheet is achieved, and an equivalent material sheet model is optimized by analyzing a simulation result; and verifying the performance of the die-cast equivalent material sheet based on a tensile test, and optimizing an equivalent material sheet model and a processing technology thereof by utilizing a tensile test result, so that the deviation between the mechanical property of the equivalent material sheet and an actual large-size casting is controlled within a preset condition. The problems that the large-size casting is large in performance prediction error, high in sampling cost and long in machining process optimization period are solved.

The invention relates to a contactor arc extinguish chamber design with an arc-shaped grid sheet structure. The arc extinguishing structure comprises a group of arc-shaped grid sheets arranged in the arc extinguishing chamber and used for lengthening an arc path when an arc is generated and gradually decomposing and cooling the arc through the segmentation effect of the grid sheets so as to accelerate the extinguishing of the arc. The grid sheets are arranged in an arc shape, can effectively guide the arc to expand along the arc direction, prevents the arc from being concentrated at a single point, and reduces the local energy density of the arc. In addition, the arc design can be matched with the magnetic blow-out effect of the permanent magnet, the moving distance of the arc is further increased, and the arc extinguishing efficiency is improved. The arc-shaped grid sheet structure is suitable for high-voltage and large-current direct-current contactors and has the advantages of being simple in structure, good in arc extinguishing effect and high in durability.

The invention relates to a low-dielectric-loss high-thermal-conductivity epoxy resin composite material and a preparation method thereof, and the preparation method comprises the following steps: carrying out surface modification treatment on a thermal conductive filler: carrying out surface modification on the thermal conductive filler by adopting a chemical covalent bonding or physical adsorption mode, the heat-conducting filler is used for improving the compatibility of the filler and an epoxy resin matrix and reducing the interface thermal resistance, and comprises boron nitride with a two-dimensional sheet structure; epoxy resin, a curing agent and an optional modifier are evenly mixed, the epoxy resin is selected from epoxy resin with the low polarity characteristic, and the modifier comprises at least one of thermoplastic resin or elastomer. And the process is simple and controllable.

The present application belongs to the technical field of the voice coil motor's elastic sheet, disclose a kind of plane elastic sheet combination's three-dimensional spring, the three-dimensional spring is applied in voice coil motor to provide the elastic support limiting effect in several directions to moving component, including as independent structure mutually contact fixed connection plane elastic sheet A and plane elastic sheet B, wherein the included angle of plane elastic sheet A and the plane of plane elastic sheet B is not zero.The present application is optimized to two or more independent plane elastic sheet structure assembly to form three-dimensional elastic sheet by integral bending type elastic sheet, to reach the multidirectional elastic support / limiting effect of three-dimensional elastic sheet while also being able to avoid the structural defects caused by bending, and compared with other solutions, its cost is lower, and can be assembled to form different structure elastic sheet according to demand, with higher adaptability.

The application provides a kind of iron phosphate material, its preparation method, positive electrode material, positive electrode sheet and secondary battery.The titanium element is doped in the iron phosphate material, at least part of the surface of the primary particle of the iron phosphate material is in laminated structure, in the multiple sheet layers of laminated structure, any two adjacent sheet layers are located on the side of each other respectively.The laminated structure forms a short-range ordered morphology, avoids the situation that sheet layer horizontal and vertical staggered causes space waste, can make the specific surface area and contact area of primary particle are more significantly improved.Moreover, the titanium element is also doped in the iron phosphate material, titanium element makes the iron phosphate material produce defects in the process of crystallization, hinders the growth of iron phosphate in a particular direction, is beneficial to the formation of laminated structure on the surface of iron phosphate particle.

The invention discloses a special fluidizing agent for covering C70 concrete outside an arch ring as well as a preparation method and application of the special fluidizing agent. The fluidizing agent is formed by compounding nano silicon wafers, superfine limestone powder, floating beads and superfine talcum powder, all the components have a synergistic effect, and the flowability of the concrete is improved through different mechanisms. The nanometer silicon wafer provides high specific surface area and active surface groups, lubrication among particles is promoted through electric coupling and ion excitation effects, internal friction resistance of the concrete is reduced, and the later strength of the concrete is improved through a volcanic ash reaction after hardening. The superfine limestone powder releases free water by destroying a flocculation structure, and plays a filling role. The floating beads serve as micron-sized spherical particles, and friction force among the particles is reduced. The superfine talcum powder has a sheet structure, and plays a role in dispersing and lubricating the cementing material. The fluidizing agent can be applied to large-flow-state and high-crack-resistance C70 concrete wrapped outside an arch ring, the problems that high-strength concrete is insufficient in fluidity and high in shrinkage cracking risk are effectively solved, and the construction performance and the engineering quality are improved.

The invention relates to a basalt reinforced high-density polyethylene composite material as well as a preparation method and application thereof. The basalt reinforced high-density polyethylene composite material comprises high-density polyethylene, a modified basalt reinforced filler and a compatibilizer, the basalt reinforced filler comprises modified basalt fibers and modified basalt scales. The modified basalt fibers and the modified basalt scales are added into the high-density polyethylene, the modified basalt fibers construct a three-dimensional supporting network to bear main loads, and the sheet structures of the modified basalt scales can prevent the material from deforming in the two-dimensional direction; the basalt reinforced high-density polyethylene composite material and the preparation method thereof have the advantages that the mechanical strength of the basalt reinforced high-density polyethylene composite material is enhanced synergistically, the prepared basalt reinforced high-density polyethylene composite material has the advantages of excellent mechanical strength, good wear resistance and corrosion resistance and the like, and the long-term use requirement of the material in a sea wave high-frequency friction environment is met.

The invention discloses a duct piece structure and a construction method thereof, and solves the problems that in the prior art, a shaft duct piece structure is insufficient in bearing capacity, and the posture of a shaft cannot be adjusted. The duct piece structure comprises an outer frame, the outer supporting face of the outer frame is an opening face, a plurality of grid cavities are formed in the outer frame, bag structures capable of being filled with media are arranged in the grid cavities, and the bag structures face the opening face of the outer frame; a plurality of outer frames can be spliced into a whole segment ring, and a communication channel capable of being selectively connected and disconnected is arranged between the bag body structures of the upper and lower adjacent whole segment rings. According to the duct piece structure, an outer frame inner core structural body is formed under different media through the structure of the outer frame and the inner bag body, under the condition that the bearing capacity is guaranteed, the dead weight of a large and deep vertical shaft structure is reduced, and the strength of the vertical shaft structure is enhanced through the bag body filling / replacing medium pressure, materials and other parameters. The capsule body structure is arranged in the outer frame body in a partitioned mode, the acting force between the capsule body structure and the stratum is changed through fixed-point medium charging and discharging, and the purpose of adjusting the position and posture of the segment structure in the circumferential direction is achieved.

The utility model relates to the technical field of vehicle-mounted equipment, and particularly to a vehicle-mounted aromatherapy machine, comprising: an outer shell, an upper cover module with at least one diversion outlet channel formed on the upper end, and a fixing clip detachably mounted on one side surface thereof; a fixing support frame, installed in the outer shell and formed with a fixing channel communicated with the diversion outlet channel; an atomizing sheet structure, installed between the diversion outlet channel and the fixing channel, and a plurality of air holes formed on the atomizing sheet recessed in the middle; a control circuit board assembly, installed in the outer shell, connected with the atomizing sheet structure to drive the atomizing sheet to atomize; an atomizing bottle assembly, snapped into the fixed channel, one end of the cotton swab abutting the atomizing bottle through an elastic member, and the other end abutting the atomizing sheet, an exhaust gap assembled between the cotton swab and each air hole; the fixed channel and the diversion outlet channel are communicated by the exhaust gap. The utility model has the advantages of preventing liquid leakage and being easy to use.

The invention discloses a damping rubber composition for a track fastener and a preparation method thereof. The damping rubber is characterized by being prepared from the following raw materials in parts by weight: 100 parts of composite rubber, 25-35 parts of damping particles, 15-20 parts of sheet structure filler, 5-10 parts of a plasticizer, 5-10 parts of a tackifier, 3-5 parts of high-temperature-resistant fibers, 2-4 parts of a vulcanizing agent, 3-5 parts of an activating agent, 2-2.5 parts of an accelerant and 1-3 parts of an anti-aging agent, the composite rubber is a compound of ethylene propylene diene monomer, natural rubber and nitrile rubber; the damping particles are elastic particles obtained by filling aerogel nanopores with asphalt and a glycidyl methacrylate modified elastomer. The damping particles are dispersed in a rubber system, the activity capacity of a rubber molecular chain is enhanced, remarkable internal friction is generated to consume energy and generate hysteresis deformation, and the damping particles are used for an elastic cushion of a track fastener and have excellent damping performance, ageing resistance and load impact fatigue resistance.

The utility model discloses a box body and storage equipment, and belongs to the technical field of household appliances. The box body comprises a shell; the inner container is mounted in the shell to form a chamber; the heat preservation layer is located between the shell and the inner container; the support and the interior trim panel are installed on the inner wall face of the inner container, the interior trim panel is made of metal materials, the support is connected with the interior trim panel, the interior trim panel is provided with a buckle, the support is provided with a via hole, and the buckle penetrates through the via hole and is matched with the outer edge of the via hole in a clamped mode. Through the arrangement of the buckles and the via holes, the support and the interior trim panel can be rapidly and stably assembled into a whole, the assembly efficiency is improved, the follow-up installation work of the support and the interior trim panel on the inner container is facilitated, the bendable sheet-shaped structure can be bent into different shapes according to actual requirements so as to adapt to complex connection working conditions, the manufacturing cost is saved, and the practicability is high. And the overall miniaturization and lightweight design is realized.

The invention provides a spiral carbon nanotube / doped barium ferrite composite material and a preparation method and application thereof, the spiral carbon nanotube / doped barium ferrite composite material is a fluffy net structure rich in microscopic cavities and conductive networks, and comprises doped barium ferrite and spiral multi-walled carbon nanotubes, the doped barium ferrite is a doped barium ferrite sheet formed by growing doped barium ferrite particles in a sheet shape, the spiral multi-walled carbon nanotubes are attached to the surfaces and gaps of the doped barium ferrite particles, and active sites of the spiral multi-walled carbon nanotubes are in lap joint with the doped barium ferrite. Further, the barium-doped ferrite sheet and the spiral multi-walled carbon nanotube are overlapped with each other in a tube-sheet structure. The helical carbon nanotube / doped barium ferrite composite material provided by the invention has a relatively large specific surface area, abundant multi-layer interfaces and excellent electromagnetic attenuation capability.

The application discloses a kind of high-performance coiled material powder coating and preparation method thereof, belong to powder coating technical field, the application is by the compounding of organosilicon modified epoxy resin and carboxyl-terminated polyester resin, after organosilicon modification, the segment of introduction-Si-O-Si in system has high flexibility, and synergistic effect with nano calcium carbonate, it is helpful to balance the adhesion and flexibility of coating, grafting modification graphene oxide, active chromium oxide is added again, can obviously improve the mechanical strength of coating;After then, phosphite group is grafted onto graphene oxide, and is applied in the present powder coating system, can form three-dimensional network structure in system, chemical bond effect, not only can improve its crosslinking stability in system, and the sheet structure of graphene oxide, also can play certain barrier property, can also give coating longer weather resistance, and active chromium oxide synergistic effect is further improved, and the weather resistance and corrosion resistance of coating.

The invention provides a self-adhesive pavement local disease repair blanket and a preparation process and application thereof, the repair blanket is of a rectangular sheet structure, and sequentially comprises an anti-wearing layer, a high-viscosity tough asphalt layer, a self-healing composite structure layer, an anti-crack reinforcing layer and a self-healing bonding layer from top to bottom. The self-healing composite structure layer is composed of a crack limiting induction film layer and a shape memory polyurethane strip. Through the collaborative design of introducing the anti-crack reinforcing layer and the high-viscosity and tough asphalt layer into the repairing blanket structure, the stress fluctuation transmitted by base cracks can be effectively buffered, and the stress concentration degree of the surface layer is reduced, so that the occurrence of reflection cracks is inhibited, and the structural integrity of a pavement repairing area is improved; a self-adhesive composite structure which can be used at normal temperature is adopted, traditional operation steps such as heating, mixing or sealing layer laying are not needed in the construction process, the construction process is simplified, and the maintenance time is shortened.

An anti-fog sheet structure includes: a substrate made of polycarbonate, a first synthetic polymer film formed on a first main surface side of the substrate, and a second synthetic polymer film formed on a second main surface side, wherein the first synthetic polymer film has, on its surface, a plurality of first bumps having an equivalent circular area diameter Dp1 in the range of more than 50 nm and less than 500 nm, the second synthetic polymer film has, on its surface, a plurality of second bumps having an equivalent circular area diameter Dp2 in the range of more than 20 nm and less than 500 nm, and the first synthetic polymer film is formed from a cured product of a photocurable resin containing 30 mass % or more of ethoxylated pentaerythritol tetraacrylate.

The invention relates to the technical field of coatings, and discloses a functionalized graphene modified polyurethane composite coating, compared with a labyrinth shielding structure of a traditional polyurethane coating, the functionalized graphene modified polyurethane composite coating added with functionalized graphene can form a more compact film-shaped structure through layer-by-layer superposition of two-dimensional sheet structures of graphene, so that the graphene modified polyurethane composite coating has a good shielding effect. By means of the nanometer size, high surface hydrophobicity and conductivity of graphene, the corrosion rate of metal is reduced, the corrosion resistance and mechanical performance of a coating are improved, aminopyridine can improve the corrosion current and impedance value of a polyurethane coating film, the corrosion resistance of the polyurethane coating film is improved, and the corrosion resistance of the polyurethane coating film is improved. Through a blending preparation means, the chain segment of polyvinyl chloride is compatible with the flexible chain segment of polyurethane, and the mechanical property of the polyurethane coating is further improved.

The utility model discloses a child carrier base with a lightweight structural design and a child safety seat, which are characterized in that a shell is made of a non-metal material, a reinforcing connecting pipe is of a hollow structure, a supporting seat is of a sheet structure, and a clamping mechanism and a clamping linkage mechanism are integrated on the corresponding supporting seat to form an independent structure. According to the child carrier base and the child safety seat thereof, the structural concise design is achieved, so that the overall weight is effectively reduced, carrying is convenient, meanwhile, the manufacturing cost can be effectively reduced, and the market competitiveness of products is improved.

The invention discloses a novel insulating silicone rubber packaging material with a self-fusion characteristic, high voltage resistance and weather resistance. The material is prepared from raw methyl vinyl silicone rubber, fumed silica as a reinforcing filler, modified vinyl MQ silicone resin as a tackifier, hydroxyl silicone oil as a structure control agent, modified aluminum hydroxide and the like as raw materials, has a self-fusion characteristic, can be autonomously bonded to form a seamless insulating layer through contact pressing of two lap joint surfaces, and has the initial peel strength of 3.5 N / mm and the tensile strength of 95N / mm. The secondary fusion strength retention rate exceeds 90%; the power frequency withstand voltage under the thickness of 2mm is greater than or equal to 45kV, the power frequency withstand voltage under the thickness of 4mm reaches 66kV, and the volume resistivity is gt; and 1 * 10 < 12 > omega.m, which is improved by more than 50% compared with the traditional material. The product gives consideration to both mechanical performance and weather resistance, the thick wing-shaped sheet structure is adaptive to special-shaped equipment and can be installed in an electrified mode, and an innovative insulation protection scheme can be provided for power transmission and transformation equipment.

The utility model provides a spherical screen display device which comprises a plurality of display modules, each display module comprises a display case and a plurality of display units laid on the display case, the display case is of a triangular frame structure, and the display units are arranged on the display case. The outer contour of the spherical screen display device is formed by combining and splicing a plurality of display cases which are completely consistent in size and form according to a certain angle, each display unit is of a triangular sheet structure, and a plurality of display units which are completely consistent in size and form are laid on one side of each display case. And the display units on the plurality of display cases jointly form a display screen of the spherical screen display device. The spherical screen display device solves the problem that a spherical screen display device in the prior art is difficult to use a small number and types of display modules to simplify the production process and reduce the cost, and the spherical screen display device is difficult to have higher structural stability.

The utility model relates to a glass clamp with a gasket, which comprises a base, a U-shaped accommodating groove formed on the base, and a gasket arranged in the accommodating groove, a first part and a second part which are oppositely arranged are arranged on two sides of the accommodating groove; the gasket is installed in the containing groove and is of a U-shaped sheet-shaped structure, and a clamping groove capable of clamping glass is formed between the gasket and the containing groove; a third part and a fourth part which are oppositely arranged are arranged on the two sides of the clamping groove; the first magnetic attraction assembly is located between the first part and the third part and can magnetically attract the third part of the gasket to the first part; the second magnetic attraction assembly is located between the second part and the fourth part and can magnetically attract the fourth part of the gasket to the second part.