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36results about How to "Guaranteed bending resistance" patented technology

High-conductivity low-temperature sliver paste and preparation method thereof

The invention discloses a high-conductivity low-temperature sliver paste and a preparation method thereof. The preparation method comprises the steps of successively mixing a high-toughness resin, a thickening agent, a flexibilizer and an organic solvent; successively adding a low-melting-point alloy, a soldering flux and conductive silver powder, and performing high-speed mixing for obtaining paste; and grinding the paste to the paste with fineness of 5-10 mu m, and obtaining the conductive sliver paste. The conductive silver paste prepared by the invention has advantages of high conductivity and high mechanical property. After the low-melting-point alloy is added, conductivity performance and hardness performance are greatly improved. Through adding appropriate amount of thickening agent and flexibilizer, diffusion performance and bending performance of a sliver strip can be effectively controlled. The low-temperature sliver paste prepared by the invention has advantages of effectively reducing silver content, improving conductivity and mechanical performance and greatly saving cost. The high-conductivity low-temperature sliver paste can be widely applied in the industries of a thin-film switch, a capacitive electrode, a touch screen, etc.
Owner:SUZHOU BETELY POLYMER MATERIALS CO LTD

Double-layer electromagnetic shielding film and preparation method thereof

The invention discloses double-layer electromagnetic shielding film. The shielding film comprises carrier film, a first insulating coating layer coated on the barrier film, a second insulating coatinglayer coated on the first insulating coating layer, a metal layer compounded on the metal layer, an electromagnetic wave shielding coating layer coated on the metal layer and release type protectivefilm arranged on the electromagnetic wave shielding coating layer; the carrier film is matt release film; coating of the first insulating coating layer is wear-resisting acrylate coating or polyurethane coating, the abrasive resistance performance is greater than 1000 times, and the thickness is 1-2 microns; coating of the second insulating coating layer is high-filling high-toughness acrylate coating or polyurethane coating or rubber coating, the number of bending resistance times is greater than 80000, and the thickness is 2-7 microns; the metal layer is thin film prepared from rolled metalfoils, and the thickness of the metal layer is 3-9 microns. The film has better toughness, bending resistance performance and product smoothness and a better shielding effect.
Owner:SHENZHEN HONGHAI ELECTRON MATERIAL TECH CO LTD

Novel FPC composite electromagnetic shielding film and preparation method thereof

The invention provides a novel FPC composite electromagnetic shielding film and a preparation method thereof. The method comprises the following steps: 1) preparing coating materials of a first insulation paint layer, a second insulation paint layer, an electromagnetic wave reflection coating layer and an electromagnetic wave absorbing coating layer; and 2) carrying out coating, wherein the firstinsulation paint layer is a wear-resisting coating, wear resistance being larger than 1000 times; the second insulation paint layer is a high-filling and high-toughness coating, bending resistance times being larger than 80000; the coating material of the electromagnetic wave reflection coating layer comprises reflection layer matrix resin and metal fillers, the metal fillers being flake silver-clad glass or flake silver-clad copper powders or leaf-like silver-clad copper powders or dendritic silver-clad copper powders; the ratio of the matrix resin and the metal fillers of the electromagneticwave reflection coating layer is 1:1.5-1:5; the electromagnetic wave absorbing coating layer comprises absorbing layer matrix resin and wave absorbing materials; the carrier film is a matte release film. The novel FPC composite electromagnetic shielding film has better flexibility, bending resistance, product flatness and shielding effect.
Owner:SHENZHEN HONGHAI ELECTRON MATERIAL TECH CO LTD

Load bearing type car body

InactiveCN101209716AImproved ability to withstand collisionsGuaranteed bending resistanceMonocoque constructionsEngineeringTransverse beam
The invention discloses a bearing vehicle body, comprising a vehicle body rear floor and a reinforced beam structure which is fixed on the lower surface of the rear floor; wherein, the reinforced beam structure comprises a left longitudinal beam, a right longitudinal beam, a front transverse beam and an upper transverse beam; the left longitudinal beam and the right longitudinal beam are longitudinally extended along the left frame and the right frame of the panel of the vehicle body rear floor; the front transverse beam is connected with the left longitudinal beam and the right longitudinal beam at the front ends of the left longitudinal beam and the right longitudinal beam; the upper transverse beam is connected with the left longitudinal beam and the right longitudinal beam at the middle part of the left longitudinal beam and the right longitudinal beam. In the bearing vehicle body of the invention, the two longitudinal beams and the two transverse beams form a frame-typed reinforced beam structure which is fixedly connected with the vehicle body rear floor, thus effectively improving the collision-bearing capability of the side and rear of the bearing vehicle body.
Owner:BYD CO LTD

Mask plate, manufacturing method of mask plate and OLED device packaging method

The invention discloses a mask plate, a manufacturing method of the mask plate and an OLED device packaging method. The mask plate is characterized by comprising a hollowed-out area and a non-hollowed-out area arranged around the hollowed-out area. The mask plate further comprises at least one stripe-shaped semi-hollowed-out area, wherein the semi-hollowed-out area is arranged in the hollowed-out area with the head and the tail being connected with the non-hollowed-out area. Through the method disclosed by the invention, the bending performance of a packaging portion of a flexible OLED device can be strengthened.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Moving lifting device

The invention relates to a moving lifting device which comprises a moving mechanism and a lifting mechanism. The moving mechanism comprises a supporting plate, connecting parts and supporting claws. Multiple first motors connected with the connecting parts are arranged on the supporting plate, and rotating shafts of the first motors are perpendicular to the supporting plate. The connecting parts are connected with second motors, rotating shafts of the second motors are perpendicular to the rotating shafts of the first motors, third motors connected with the supporting claws are fixed on the second motors, and rotating shafts of the third motors is parallel to the rotating shafts of the second motors. The lifting mechanism comprises an underbed, two fork-shaped articulation pieces, a cylinder and a foot rack. The underbed is arranged on the supporting plate, the two ends of each fork-shaped articulation piece are connected with the underbed in a hinged mode, the other two ends of each fork-shaped articulation piece are connected with the foot rack in a slidable mode, and the cylinder drives the two fork-shaped articulation pieces to drive the foot rack to be lifted. The moving mechanism drives the supporting claws to move through motors, and drives the two fork-shaped articulation pieces to drive the foot rack to rise and fall through the cylinder. The moving lifting device is convenient to move, simple in structure, and capable of automatically adapting and adjusting balance.
Owner:THE SECOND CONSTR ENG CO LTD CCSEB

Anti-bending test device

The invention discloses an anti-bending test device. In the test device, a positioning groove is used for placing to-be-tested product, and multiple position grooves can be placed with multiple products; the bent part of the product pin are arranged upwards, product on the position groove is pushed in the test position via a second air cylinder to ensure the bent part of each product pin to align with a press block, and multiple press blocks simultaneously press the bent parts of multiple product pins (with set appropriate press force and press times) via a first air cylinder; and after completing press test, the product is separated from the test position via the second air cylinder to take the product out, and bending degree of the product pin bent part is observed to obtain whether the product passes through the anti-bending test or not. The product passing through the anti-bending test has bending degree of the bent part almost consistent with that before test, while the product which does not pass through the anti-bending test, has the bent part pressed to shift downwards via the press force of the press block, so that rejection product can be screened out via human eye observation, thereby ensuring anti-bending capacity of the product. The automatic anti-bending test device saves labor and time, and improves production efficiency.
Owner:SUZHOU PIN SHINE TECH

Ultra-large space GRG installation structure

PendingCN110259014AStrong bending abilityStrong tensile strengthCovering/liningsGypsumFlanging
The invention discloses an ultra-large space GRG installation structure. The ultra-large space GRG installation structure comprises a plurality of pre-embedded plates, a connection piece and an auxiliary steel frame, the pre-embedded plates are perpendicularly arranged on the back surface of each glass fiber gypsum plate in a protruding mode, and a main plane of each pre-embedded plate is parallel to a straight line in the vertical direction; the connection piece comprises bolts, flangings perpendicularly turned up facing the back surface are arranged between every two adjacent glass fiber gypsum plates, and the flangings of very two adjacent glass fiber gypsum plates are assembled and connected through the bolts; the auxiliary steel frame comprises a first square tube and a second square tube which are connected perpendicularly, the cross sectional area of the first square tube is larger than the cross sectional area of the second square tube, the first square tube extends in the vertical direction, and the second square tube extends in the horizontal direction; and the main planes of the pre-embedded plates are welded and fixed to the side surfaces of the second square tube. By adopting the ultra-large space GRG installation structure, larger vertical supporting force can be provided, and the ultra-large space GRG installation structure is suitable for a construction scheme of the glass fiber gypsum plates with larger area and large weight.
Owner:GOLD MANTIS CONSTR DECORATION

De-molding-free heat preservation structure integrated plate and preparation method and construction method thereof

The invention belongs to the technical field of building material preparation, and particularly relates to a de-molding-free heat preservation structure integrated plate and a preparation method and a construction method thereof. A first prefabricated structure can be used as an outer formwork, a prefabricated heat preservation module in a second prefabricated structure is used as an inner formwork, the inner formwork and the outer formwork are not needed in the construction process, the construction period is shortened, and the construction cost is reduced. According to the setting mode of a connecting male part in the first prefabricated structure, the connecting male part and the integrated plate are prefabricated together, and the procedure of installing a connecting piece on site is reduced; and through the arrangement of a steel wire mesh and the arrangement mode of the steel wire mesh and the connecting piece, the connecting male part can play a role in fastening the steel wire mesh, so that the overall performance of the integrated plate is improved.
Owner:河北金铎建设工程有限公司 +1

Thermal insulation mortar prepared from waste tiles and tiles and preparation method of thermal insulation mortar

The invention relates to thermal insulation mortar prepared from waste tiles and a preparation method of the thermal insulation mortar, which belong to the field of building materials. The thermal insulation mortar is prepared from, by weight, 400-500 parts of cementing materials, 100-280 parts of quartz sand, 200-400 parts of modified waste tile particles, 7-10 parts of cellulose, 2-5 parts of water reducing agents and 2-4 parts of tackifiers; and the particle size of the modified waste tiles is 0.5-2 mm, and the accumulation area is 70-90 kg / m<3>. Vitrified waste tile aggregate and quartz sand are taken as aggregate, and Portland cement or aluminate cement is taken as a cementing material, so that resource utilization of waste tiles can be realized, and the problems of environmental pollution, resource and energy consumption and the like caused by the waste tiles can be reduced to the greatest extent; waste tiles are crushed and processed to prepare waste tile particles, through acidification, vitrification and modification, the specific surface area and porosity of the waste tile particles are increased, and the water absorption rate and the heat conductivity coefficient of the waste tile particles are reduced, so that the heat conductivity of the waste tile particles is reduced, and the heat preservation performance of the mortar is effectively improved.
Owner:北京惠地智能技术研究院有限公司 +1

Principal shaft of low-speed direct driving type aerogenerator

The present invention relates to a wind-driven generator, in particular to a low-speed straight wind-driven generator principal axis, and provides a novel low-speed straight wind-driven generator principal axis with a principal-axis structure and the main body composed of a grid cylinder, including a steel plate and an angle plate. The principal axis is a hollow cylinder and the cross section is circular; the cylindrical part of the cylinder is composed of honeycomb hollow cylinders arranged equidirectionally, thus reducing the deadweight of the principal axis, shortening the production cycle, reliably ensuring the bending and twisting resistance of the axis and decreasing the bearing capacity of the tower without affecting the bearing capacity, mechanical intensity and reliability; the material for producing the principal axis is reduced and no special material is needed, thus reducing the production cost, accelerating the production and shortening the production cycle, so the materials can meet the operational requirement of the straight wind-driven generator without undergoing the forging process; in addition, the grid cylindrical hollow structure is conducive to air radiation, which is economical and reliable.
Owner:刘宝生 +1

Steel and wood combined box girder

The invention provides a steel and wood combined box girder which comprises a CLT bridge deck slab, a steel and wood combined box girder block, steel webs, CLT edge webs, screws, H-shaped steel, flange plates and bolts. Bolt holes are formed in the CLT bridge deck slab, the H-shaped steel and the flange plates, the CLT bridge deck slab and the flange plates are in lap joint with the internal portions of H-shaped steel grooves and are anchored through the bolts; the CLT bridge deck slab and the CLT edge webs are connected through the screws, the CLT edge webs and the steel and wood combined boxgirder block are bonded through E1-level phenolic glue, the lower portion of the CLT bridge deck slab and the upper portion of the steel and wood combined box girder block are bonded through the E1-level phenolic glue, and the steel webs and the steel and wood combined box girder block are connected together in a welded mode; and the steel and wood combined box girder block is composed of multiple specially-shaped steel plates and thin, long and narrow beams, and the two ends of each specially-shaped steel plate are bonded to the edges of the up-down-staggered thin, long and narrow beams through the E1-level phenolic glue. The single-box multi-room space box girder is composed of the CLT bridge deck slab, the steel and wood combined box girder block, the steel webs and the CLT edge webs,the advantages of steel and wood combination are fully used, and the box girder is good in flexural performance and torsional performance and suitable for large-span light traffic bridges for pedestrians, motorcycles and the like.
Owner:NANJING FORESTRY UNIV

Environment-friendly and energy-saving plastic shell cement quadrel

The invention discloses an environment-friendly and energy-saving plastic shell cement quadrel, which comprises plastic shells, the plastic shells are filled up with cement, the plastic shells are seamlessly connected with one another, reinforcing rib plates are arranged in the plastic shell, the reinforcing rib plate is arranged in the form of a T, eight reinforcing rib plates are arranged, and are evenly distributed on the four sides of the plastic shell, the surface of the plastic shell is provided with an anti-slip pattern, the anti-slip pattern is composed of a plurality of small rectangles, more than one drain hole is arranged, and the drain holes have the same size, and are evenly distributed on the plastic shell. The appearance of the environment-friendly and energy-saving plastic shell cement quadrel does not have apparent cracks, the number of air holes is less as well, and the environment-friendly and energy-saving plastic shell cement quadrel has the advantages of high toughness and strength, good surface smoothness and long service life.
Owner:李春奎

High-strength box-type combination column and preparation method thereof

The invention discloses a high-strength box-type combination column and a preparation method thereof. The high-strength box type combination column is characterized in that the high-strength box-type combination column comprises two C-type steel plates and four column plates made of bamboo / wood, the two C-type steel plates define a box-type framework, the four column plates are respectively pasted and fixed on four outer surfaces of the box-type framework, a plurality of transverse partition plates distributed at intervals in the length direction are arranged in the box-type framework, a connecting screw rod penetrates through a first connecting hole, a second connecting hole and a third connecting hole, then the two ends of the connecting screw rod are fixed through cushion blocks and nuts, and polygonal holes are formed in the cushion blocks. The high-strength box-type combination column has the advantages that the overall weight and cost are reduced, and meanwhile the bending resistance and the shearing resistance of the box-type column are guaranteed; and in addition, due to the fact that the transverse partition plates are fixedly connected with the box-type framework through the connecting screw rod, later replacement and maintenance of the box-type combination column are facilitated, when the box-type combination column is damaged due to stress, the box-type combination column can be conveniently disassembled only by heating to melt epoxy resin glue, and repeated use can be achieved by replacing the damaged part of the box-type combination column.
Owner:NINGBO UNIV

Reflective electromagnetic shielding film for FPC and preparation method thereof

The invention provides a preparation method of a reflective electromagnetic shielding film for FPC, comprising the following steps: first, preparing a coating of a first insulating coating layer, a second insulating coating layer and an electromagnetic wave reflecting coating; 2, coat; The first insulating coating layer is an abrasion-resistant coating, and the abrasion resistance is more than 1000 times; The second insulating coating layer is a coating with high filling and high toughness, and the bending resistance is more than 80000; The coating of electromagnetic wave reflective coating comprises a base resin and a metal filler, wherein the metal filler is sheet silver-coated glass or sheet silver-coated copper powder or leaf silver-coated copper powder or dendritic silver-coated copper powder; The carrier membrane is matte photoionization membrane. The metal filler has a size of 1 to 2 [mi]m in the thickness direction, a planar size of 3 to 9 [mu]m, and 3 to 5 bifurcations on theleaf-shaped metal filler; the ratio of the matrix resin to the metal filler of the electromagnetic wave reflective coating is 1:1.5 to 1 :5 The invention has better flexibility, bending resistance, product flatness and shielding effect.
Owner:SHENZHEN HONGHAI ELECTRON MATERIAL TECH CO LTD

A kind of double-layer electromagnetic shielding film and preparation method thereof

A double-layer electromagnetic shielding film, comprising a bearer film (1), a first insulated coating layer (2) applied to the bearer film (1), a second insulated coating layer (3) applied to the first insulated coating layer (2), a metal layer (4) compounded onto the second insulated coating layer (3), an electromagnetic wave shielding coating layer (5) applied to the metal layer (4), and a protective release film (6) provided on the electromagnetic wave shielding coating layer, wherein the bearer film (1) is a matte release film; the coating of the first insulated coating layer (2) is abrasion resistant acrylate coating or polyurethane coating, the abrasion resistance is greater than 1,000 times, and the thickness is 1-2μm; the coating of the second insulated coating layer (3) is highly-filled and high-toughness acrylate coating, or polyurethane coating, or rubber coating, the number of bending-resistant times is greater than 80,000, and the thickness is 2-7μm; the metal layer (4) is a thin film made of rolled metal foil and has the thickness of 3-9μm. The double-layer electromagnetic shielding film has better toughness, bending-resistance and product smoothness, and a better shielding effect.
Owner:SHENZHEN HONGHAI ELECTRON MATERIAL TECH CO LTD

Heating cloth and weaving method thereof

PendingCN113829690AGuaranteed skin-friendly comfortGuaranteed wash resistanceSynthetic resin layered productsOhmic-resistance heatingEngineeringPolymer chemistry
The invention relates to heating cloth and a weaving method thereof. The heating cloth comprises a base cloth layer, a plurality of heating units and a switch control unit, wherein the plurality of heating units are distributed on the base cloth layer or wholly cover the base cloth layer, each heating unit comprises a flexible carbon heating wire, a positive electrode and a negative electrode, the flexible carbon heating wire, the positive electrode and the negative electrode are connected, the positive electrode and the negative electrode are respectively composed of electrode wires, the flexible carbon heating wire is connected between the positive electrode and the negative electrode, the flexible carbon heating wires, the electrode wires and the base cloth layer are mutually woven, and protective layers are arranged on the outer surfaces of the base cloth layer and the heating units; the electrode wires are connected with the switch control unit; and the flexible carbon heating wires are distributed in the base cloth layer in parallel.
Owner:SHANGHAI SHUIXING HOME TEXTILE

Intelligent hollow brick green brick forming machine and forming process thereof

The invention relates to the technical field of hollow brick manufacturing, and discloses an intelligent hollow brick green brick forming machine and a forming process thereof.The intelligent hollow brick green brick forming machine comprises a mud extruding barrel, a heating layer is arranged in the mud extruding barrel in a sleeved mode, a feeding port is formed in the top face of the mud extruding barrel, a pressure release valve is further fixedly arranged on the top face of the mud extruding barrel, and a shaping channel is arranged at one end of the mud extruding barrel in a sleeved mode; the molding channel is sleeved with a heat preservation sleeve, a support is arranged on the outer side of one end of the molding channel, the support is wrapped with heat insulation cotton, a mold is arranged at the top end of the support, a turnover cleaning mechanism and a molding mechanism are arranged above the mold, an auger is arranged in the mud extruding barrel, and a plurality of brushes are fixedly arranged on the edge of the auger. According to the device, self-cleaning can be completed through the cleaning mechanism and the brush, green brick forming is prevented from being affected, the original proportion of pug can be guaranteed, components in green bricks are prevented from being damaged, and the strength of hollow bricks is guaranteed.
Owner:周重阳

High conductivity low temperature silver paste

The invention discloses a high-conductivity low-temperature sliver paste and a preparation method thereof. The preparation method comprises the steps of successively mixing a high-toughness resin, a thickening agent, a flexibilizer and an organic solvent; successively adding a low-melting-point alloy, a soldering flux and conductive silver powder, and performing high-speed mixing for obtaining paste; and grinding the paste to the paste with fineness of 5-10 mu m, and obtaining the conductive sliver paste. The conductive silver paste prepared by the invention has advantages of high conductivity and high mechanical property. After the low-melting-point alloy is added, conductivity performance and hardness performance are greatly improved. Through adding appropriate amount of thickening agent and flexibilizer, diffusion performance and bending performance of a sliver strip can be effectively controlled. The low-temperature sliver paste prepared by the invention has advantages of effectively reducing silver content, improving conductivity and mechanical performance and greatly saving cost. The high-conductivity low-temperature sliver paste can be widely applied in the industries of a thin-film switch, a capacitive electrode, a touch screen, etc.
Owner:SUZHOU BETELY POLYMER MATERIALS CO LTD

Fireproof mortar prepared from waste bricks and tiles and preparation method thereof

The invention relates to fireproof mortar prepared from waste bricks and tiles and a preparation method of the fireproof mortar, and belongs to the field of building materials, the fireproof mortar comprises the following components in parts by weight: 400-500 parts of cementing material, 100-280 parts of vermiculite aggregate, 200-400 parts of vitrified waste brick and tile aggregate, 7-10 parts of cellulose, 2-5 parts of water reducing agent and 2-4 parts of tackifier; the granularity of the vitrified waste brick and tile aggregate is 0.5-1.5 mm, and the stacking area is 70-80 kg / m3; vitrified waste brick and tile aggregate and vermiculite aggregate are used as mortar aggregate, Portland cement or aluminate cement is used as a cementing material, resource utilization of the waste bricks and tiles can be achieved, and the problems of environmental pollution, resource and energy consumption and the like caused by the waste bricks and tiles are relieved to the maximum extent; and waste bricks and tiles are crushed and processed to prepare waste brick and tile particles, and the specific surface area and porosity of the waste brick and tile particles are increased through hydrochloric acid acidification, so that the thermal conductivity of the waste brick and tile particles is reduced, and the fireproof performance of mortar is effectively improved.
Owner:北京惠地智能技术研究院有限公司 +1

A kind of novel composite electromagnetic shielding film for FPC and preparation method thereof

The invention provides a novel FPC composite electromagnetic shielding film and a preparation method thereof. The method comprises the following steps: 1) preparing coating materials of a first insulation paint layer, a second insulation paint layer, an electromagnetic wave reflection coating layer and an electromagnetic wave absorbing coating layer; and 2) carrying out coating, wherein the firstinsulation paint layer is a wear-resisting coating, wear resistance being larger than 1000 times; the second insulation paint layer is a high-filling and high-toughness coating, bending resistance times being larger than 80000; the coating material of the electromagnetic wave reflection coating layer comprises reflection layer matrix resin and metal fillers, the metal fillers being flake silver-clad glass or flake silver-clad copper powders or leaf-like silver-clad copper powders or dendritic silver-clad copper powders; the ratio of the matrix resin and the metal fillers of the electromagneticwave reflection coating layer is 1:1.5-1:5; the electromagnetic wave absorbing coating layer comprises absorbing layer matrix resin and wave absorbing materials; the carrier film is a matte release film. The novel FPC composite electromagnetic shielding film has better flexibility, bending resistance, product flatness and shielding effect.
Owner:SHENZHEN HONGHAI ELECTRON MATERIAL TECH CO LTD

Waterproof and moisture-proof floor

The invention discloses a waterproof and moisture-proof floor, which comprises a surface layer, a waterproof and moisture-proof layer and a water filtering layer from top to bottom. The waterproof and moisture-proof layer is prepared from the following components in parts by weight: 100 parts of cement, 100-200 parts of fine aggregate, 1-5 parts of a cementing material, 2-6 parts of fibers, 1-3 parts of an early strength agent and 0.1-2 parts of a water reducing agent; the cementing material comprises hydrophobic redispersible latex powder and a water filtering cementing material in a weight ratio of 2: 1; the water filtering cementing material is prepared from the following components in parts by weight: 5 to 20 parts of non-hydrophobic redispersible latex powder, 20 to 50 parts of dense silica fume, 50 to 80 parts of mineral powder and 0.1 to 0.5 part of a water-reducing retarder; and the water filtering layer comprises the following raw materials in parts by weight: 100 parts of cement, 400-600 parts of coarse aggregate, 8-15 parts of basalt fibers and 10-15 parts of a water filtering cementing material. The water filtering layer is arranged below the waterproof and moisture-proof layer, so that water vapor accumulation between a structural layer and a terrace surface layer is effectively avoided, and the overall mechanical property and waterproof and moisture-proof properties of the terrace reach a good balance relationship.
Owner:武汉惠帮地平工程有限公司

A prefabricated concrete slab-column node and its connection method

The invention discloses a precast concrete slab column node and a connecting method thereof, and relates to the field of civil engineering. The precast concrete slab column node solves the problems of poor economic performance, low construction speed, casting difficulty and complicated steel bar structures in the existing slab column node region. The slab column node comprises a precast concrete column, a precast concrete slab, four pieces of lower end support angle steel and four pieces of upper end fixing angle steel, wherein a rectangular through hole is formed in the middle part of the precast concrete slab; the precast concrete column is inserted and arranged in the rectangular through hole; one piece of lower end support angle steel and one piece of upper end fixing angle steel are arranged on the side wall of the precast concrete column; one end of each piece of lower end support angle steel and one end of each piece of upper end fixing angle steel are fixedly connected onto the side wall of the precast concrete column; the other end of each piece of lower end support angle steel is fixedly connected onto the lower end surface of the precast concrete slab; the other end of each piece of upper end fixing angle steel is fixedly connected onto the upper end surface of the precast concrete slab. The connecting method comprises the steps of positioning installation; precast concrete slab positioning; precast concrete slab fixation. The precast concrete slab column node and the connecting method are used for forming a precast slab column structure.
Owner:HARBIN INST OF TECH

An adsorption type engine cover

The invention discloses an absorption-type engine hood. The absorption-type engine hood comprises a hood main body, wherein the hood main body comprises an upper fixing part and a lower fixing part, and a communication part is arranged between the upper fixing part and the lower fixing part. According to the absorption-type engine hood disclosed by the invention, the hood main body is formed in a manner of combining the upper fixing part with the lower fixing part, the communication part is arranged between an upper cover plate and a lower cover plate, and used for facilitating a pipeline connecting with an engine to pass through, and the communication part is arranged between the upper fixing part and the lower fixing part, thus hard structures and turning points of the upper fixing part and the lower fixing part are prevented from damage, the fracture resistance of the hood main body is ensured, and the service life of the hood main body is prolonged; clamping plates are arranged on a first surrounding plate and a second surrounding plate, and used for facilitating the hood to be much perfectly assembled; magnet layers arranged at the inner sides of the clamping plates and magnet layers of assembled parts are correspondingly arranged, and used for facilitating positions to be faster corresponded for installation; and moreover, the magnet layers can be mutually adsorbed, thus the stability and sealing performance of the hood are ensured.
Owner:SUZHOU ZHENYE MOLD
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