35results about How to "Strong resistance to twisting" patented technology

The invention discloses a double-wall cofferdam with partitioned cabins. The whole cofferdam has a rectangular structure formed by connecting an inner wall board, an outer wall board and a base board, wherein a rectangular annular cavity is formed between the inner wall board and the outer wall board; partitioning boards are arranged in the longitudinal direction and used for partitioning the cavity into a plurality of independent cabins; a plurality of flat linkage inclined rods parallel to the base board are symmetric about the partitioning plates and arranged at the diagonal positions of the adjacent cabins; each cabin has an independent stable structure, so that the stable structure of the whole cofferdam is formed; therefore, the whole cofferdam is rationally stressed and has relatively high compression strength and distortion resistance; and the partitioned cabin type structure replaces the conventional truss structure, so that the assembly and manufacturing process of the cofferdam is simplified, the number of the specifications of the used materials is small, workpieces are uniform and easy to machine, site mounting is facilitated, a large number of truss connection rods are not used, the loss of steel materials is reduced, and the cost is saved.

The invention provides a low-voltage draw-out intelligent distribution switch cabinet, comprising a cabinet frame, a cabinet shell and a cabinet door (22), wherein columns of the cabinet frame are C-shaped colums (18) with modulus holes (17) and reinforcing ribs (16); and the cabinet frame is internally provided with an assembly room with functional unit assemblies, a busbar room with busbars and distribution busbars, a cable room with incoming and outgoing cables, a horizontally-arranged assembly room, connection bars for guard lines and neutral lines which are horizontally arranged below the assembly room and the cable room and vertically arranged in the cable room as well as control line routing slots at the upper part inside the cabinet frame. The switch cabinet has the advantages that: 1, the structure is simple and few parts are used; 2, the buckling resistance and the distortion resistance of the low-voltage draw-out intelligent distribution switch cabinet are higher; 3, the electrical safety is higher; and 4, all the parts are standard mechanical parts which are convenient to replace and dismount.

The invention relates to a composite sheet consisting of a thermoplastic resin and a fiber and a manufacturing method thereof. The manufacturing method comprises the following steps of: performing surface modification on an ultra-high molecular weight polyethylene fiber and preparing a base material; preparing a preimpregnated base material, coating solution of the thermoplastic resin on the base material, and performing heat drying on the base material; preparing a prefabricated sheet, and coating thermoplastic resin powder on two sides of the base material, wherein the resin is the same as that used by the prefabricated sheet; and performing hot press molding. The composite sheet, consisting of the thermoplastic resin and the fiber, prepared by the method uses the ultra-high molecular weight polyethylene fiber as an enhanced framework fiber phase and uses the thermoplastic resin as a resin phase. The composite sheet consisting of the thermoplastic resin and the fiber and the manufacturing method thereof adopt an original process to ensure that a product is light in weight and low in forming temperature, has high mechanical properties in particular outstanding impact resistance and distortion resistance, has excellent chemical properties and is easy to process.

The invention discloses a high-flame-retardancy nylon composite material resistant to high temperature and a preparing method thereof. The composite material comprises, by weight, 50-85% of polyamide, 6-45% of flame retardant, 0.1-2% of stabilizer and 0.1-12% of other auxiliaries, wherein the flame retardant is hexachloro cyclotriphosphazene graft modified expanded graphite. Nitrogen, phosphorus, chlorine and organic carbon are combined, the synergistic flame retardant capacity can be remarkably improved, the phosphonitrile flame retardant is fixed to the surface of expanded graphite through chemical bonds, dispersity and compatibility of the expanded graphite in a resin matrix are improved, and the problem that small molecular flame retardant in the using process migrates outwards easily is solved.

The invention discloses a PLC control cabinet with high dustproof property. The PLC control cabinet comprises a cabinet body and cabinet door. The cabinet door is connected on one side of the cabinetbody through a hinge. Metal frames are symmetrically welded on the outer walls of the two sides of the cabinet body. A No. 1 L-shape partition plate is welded in the inner cavity of the metal frames.A No. 2 L-shaped partition plate is welded on one side of the No. 1 L-shaped partition plate. A fluorocarbon coating layer is coated on the surface of the No. 1 L-shaped partition plate and the No. 2L-shaped partition plate. The No. 1 L-shaped partition plate and the No. 2 L-shaped partition plate are alternately arranged and there is a gap between one end of the No. 1 L-shaped partition plate and one end of the No. 2 L-shaped partition plate and the inner wall of the metal frames so that an S-shaped gas flow channel is formed in the metal frames. When the cabinet door is closed, an O-shapedsealing strip is embedded in the gap arranged between a No.1 silica gel strip and a No.2 silica gel strip, and the O-shaped sealing strip is respectively attached to the No.1 silica gel strip and theNo.2 silica gel strip so that all irregular surfaces, holes and gaps of joints can be fully filled, and the sealing effect at the junction of the cabinet door and the cabinet body is effectively improved.

The invention discloses a connection rod mechanism of a mold clamping apparatus. Two same sets of connection rods are arranged symmetrically up and down. Each set of connection rods comprises a first small connection rod, a second small connection rod, a first rear connection rod, a second rear connection rod, a middle rear connection rod, a first front connection rod, and a second front connection rod. The middle rear connection rod is positioned between the first rear connection rod and the second rear connection rod. The rear ends of the three connection rods are hinged to a first connection rod support. The rear end of the first front connection rod is clamped between the front ends of the first rear connection rod and the middle rear connection rod, and is hinged therewith. The second front connection rod is arranged between the front ends of the middle rear connection rod and the second rear connection rod, and is hinged therewith. The front ends of the two connection rods are respectively hinged with a second connection rod support. The first small connection rod is parallel to the second small connection rod. One end of the small connection rods is hinged with the middle rear connection rod, and the other end is hinged to a crosshead. The connection rod mechanism provided by the invention is advantaged in stable structure and good twisting force resistance. Therefore, a technical difficulty of complicated mold adjusting of prior arts is solved.

The invention belongs to the technical field of closed water connection, and particularly relates to an FRD double-sealed immediate detection closed water socket-and-spigot joint. The problems that inthe prior art, a spigot and a socket possibly make contact with each other and are sealed, the positions which make contact with each other and are sealed are prone to causing connectivity of the interior of a annular space to be interrupted, accordingly, sealing performance detection of a double-sealed socket-and-spigot joint is uncompleted are solved. According to the technical scheme, the FRDdouble-sealed immediate detection closed water socket-and-spigot joint comprises a spigot and a socket, the spigot is a joint part of an inserting-in end, and the socket is a joint part of a socket end; the outer wall of the spigot is provided with an annular pressure test groove, the two sides of the pressure test groove are provided with annular sealing ring installation grooves correspondingly,and sealing rings are installed in the sealing ring installation grooves; and the socket is provided with pressure test holes which correspond to the pressure test grooves. In addition, baffles are arranged in the pressure test grooves. The FRD double-sealed immediate detection closed water socket-and-spigot joint is suitable for connection of drainage pipelines.

The invention belongs to the technical field of drainage pipes, and specifically relates to a polyolefin drainage pipe with FRD double seal for instant detection of a closed water bell and socket joint. The polyolefin drainage pipe aims at the problem that in the prior art, a socket and a bellmouth may be contacted and sealed, and the contacted and sealed parts may lead to the interruption of theinternal connectivity of an annulus, and then the incomplete detection of the sealing inspection of the double-sealed bell and socket joint may exist. According to the technical scheme, the polyolefindrainage pipe comprises a pipeline, two ends of the pipeline are separately provided with the socket and the bellmouth through an integral forming mode, an annular pressure test groove is arranged onthe outer wall of the socket, and annular sealing ring installation grooves are arranged on both sides of the pressure test groove; and a pressure test hole is formed in the bellmouth, the distance between the pressure test hole and a bellmouth opening is equal to the distance between the middle of the pressure test groove and a socket opening, and in addition, a baffle can be arranged in the pressure test groove. The polyolefin drainage pipe with the FRD double seal for instant detection of the closed water bell and socket joint is applicable to the connection of the drainage pipeline.

The invention relates to accurate automatic filling pile centralizing equipment and an application method thereof. The accurate automatic filling pile centralizing equipment comprises supporting legs,a connecting frame, a connecting pile, a pile filler and other components, wherein the connecting frame comprises a connecting plate, and the lower portion of the connecting plate is connected with aguide frame; the connecting pile is connected to the connecting plate and the guide frame; the supporting legs are connected to the edge of the connecting plate through connecting rods; the pile filler is connected to the bottom of the guide frame; the middle of the connecting plate is provided with an embedment hole; the inner wall of the embedment hole is provided with a connecting pile squeezer; the connecting pile squeezer is internally connected with the connecting pile; the connecting plate and the supporting legs are connected through the connecting rods; gyroscope sensors are arrangedat the joints of the connecting plate and the connecting rods; supporting leg supporting plates, floating plates and supporting airbags are arranged in an annular cavity between the floating plates and the supporting plates in an arrayed mode. The application method comprises the steps of conducting filling on a standard pile through the pile filler, pushing the connecting rods through the supporting airbags, accordingly, righting the connecting plate and then righting the connecting pile.

The invention discloses an equilateral triangle prismatic reinforcing bar section consisting of an inner base, transverse bars and longitudinal bars. The equilateral triangle prismatic reinforcing bar section is characterized in that the section of the inner base is in an equilateral triangle prismatic shape; the equilateral triangle prism is a polygonal surface formed by inwards concaving each side of an equilateral triangle; three sides of the equilateral triangle prism are respectively inverted V-shaped; three angles of the equilateral triangle prism are connected with the three sides of the equilateral triangle prism into a whole and are connected with square longitudinal bars; three inverted V-shaped surfaces of the equilateral triangle prism are connected with the equilateral triangle prism into a whole; and a plurality of crescent, inverted V-shaped or angular, herringbone or twisted strip transverse bars are arranged on the three inverted V-shaped surfaces. The invention has the advantages that the perimeter of the section of the reinforcing bar section is longer; the three surfaces of the equilateral triangle prim have large surface friction force, so that the bond stress, the tensile strength and the vibration resistant capability of reinforcing bars in the concrete can be remarkably improved; meanwhile, the compression resistant, bending resistant, bending resistant and twisting resistant forces are stronger than those of the traditional reinforcing bar section. The reinforcing bar section is suitable for large-sized piers, dams, upright posts of expressway bridges, building top columns, tunnels and the like and is an ideal equilateral triangle prismatic reinforcing bar section.

The invention discloses a solar heat collection device based on graphite film, and relates to the technical field of solar heat collectors. According to the solar heat collection device based on the graphite film, the graphite film with high thermal conductivity is adopted instead of a traditional heat absorber plate, the graphite film with high thermal conductivity makes direct contact with water, the thermal conduction efficiency is improved, the troublesome processing technology of a traditional heat absorber plate is omitted, the environmental pollution caused by spraying is avoided, and manpower, material resources and financial resources are greatly saved without a carrier of the traditional heat absorber plate. The solar heat collection device based on the graphite film particularlycomprises a base plate, a thermal insulation layer, a side plate, a liner and a transparent cover plate. A supporting rack is fixed to the base plate. The base plate and the side plate are fixedly connected to form a groove. The thermal insulation layer is arranged on the inner wall of the groove. The liner is fixed to the supporting rack. The graphite film with high thermal conductivity is arranged on the upward surface of the liner. The transparent cover plate is arranged on the graphite film with high thermal conductivity. The liner communicates with the exterior of the side plate througha water inlet pipe, a water outlet pipe and a drainage pipe.

The invention belongs to the field of cables, and particularly relates to a high-current-carrying-capacity modified polypropylene insulated cable and a modified polypropylene insulating material usedby the same. The cable comprises a conductor, a modified insulating layer, an armor layer and an outer sheath which are sequentially arranged from inside to outside, wherein the outer sheath is a flame-retardant outer sheath. The modified insulating layer is a modified polypropylene insulating layer; and the modified polypropylene insulating layer is prepared from a modified polypropylene insulating material. The modified polypropylene insulating material is prepared from a polypropylene block co-polyethylene monomer, wherein the content of the ethylene monomer is 2-3wt% of that of the polypropylene. According to the invention, the modified polypropylene replaces cross-linked polyethylene, so the cost is reduced, and the quality of the insulating layer is improved; the current-carrying capacity and the actual bearable working temperature of the cable are obviously improved; and the modified polypropylene can be recycled, and is greener and more environment-friendly.

The invention discloses a charging wire sheath injection molding method. Comprising the following steps: S1, preparing a copper ring, enabling the copper ring to penetrate through a wire rod of a charging wire, moving the copper ring to a position where a plug is connected with the wire rod, and reserving a gap of 5-10 mm; s2, the whole charging wire with the copper ring penetrating is put into an injection mold of an injection molding machine, and the copper ring is erected in an injection molding channel and is kept to wait for injection molding; and S3, injection molding is started, injection molding is conducted from the position of the charging wire plug, when injection molding is conducted on the wire rod, an injection molding sizing material can push the copper ring to move outwards till injection molding of the wire rod is completed, and then the copper ring is taken down to complete injection molding of the wire rod. Before injection molding, the copper ring is additionally arranged to penetrate through the wire rod, the copper ring moves along with the injection molding rubber material, the effect of fixing the wire rod is achieved, the wire rod subjected to injection molding is always in the center state, it is guaranteed that the wire rod cannot be exposed to the surface of the injection molding rubber material due to position deviation, the process is simple, injection molding is rapid, and high practicability is achieved.

The invention discloses a load-bearing car body and a car body covering part for a light automobile passenger car, and belongs to the technical field of automobile bodies. The load-bearing car body and the car body covering part for the automobile light passenger car mainly solve the problems that an existing steel passenger car body has large self-weight, and an aluminum alloy passenger car bodyhas poor strength and stiffness. The load-bearing car body and the car body covering part are mainly characterized in that an aluminum alloy beam plate lined with high-strength steel wire mesh of theload-bearing car body is formed by fusion high-strength steel wire mesh fusion compression moulding forming; a rubber-plastic plate lined with high-strength steel wire mesh of the car body covering part is formed by high-strength steel wire mesh fusion compression moulding forming, and the car body covering part belongs to a color surface plate load-bearing car body covering part of a one-time forming non-coating process and working procedure; and the pollution process of coating production line can be completely omitted, according to a conventional vehicle, weight can be reduced more than 50%, material can be saved, the cost is reduced by more than 30%, and the load-bearing car body and the car body covering part for the light passenger car can automatically restore prototypes due to light collision, are energy-saving and environmentally friendly, and are low in cost and light in weight.

The invention relates to a novel laser protection plate and a manufacturing process and a using method thereof. The novel laser protection plate comprises at least two layers of outer partition plates and a middle partition plate which are oppositely arranged up and down, the middle partition plate is arranged between the two adjacent outer partition plates, and a plurality of supporting bodies are formed on the opposite surfaces of the middle partition plate and any adjacent outer partition plate; and the supporting bodies are table bodies, all the supporting bodies protrude towards the directions of the adjacent outer partition plates and are connected with the outer partition plates, and all the supporting bodies are arranged at intervals. According to the technical scheme, the laser protection plate is light in weight, low in production cost and high in laser protection capacity, and meanwhile has the excellent mechanical performance such as certain bending resistance and impact resistance.

The invention relates to an environment-friendly energy-saving interior decoration new material plate. The environment-friendly energy-saving interior decoration new material plate comprises a base plate, wherein a mounting cavity penetrating through the front side surface and the rear side surface is formed in the base plate; a hollow cylinder extending in the same direction as the mounting cavity is arranged in the mounting cavity; the base plate comprises an upper plate and a lower plate; the upper plate and the lower plate are bonded through an adhesive; one part of the hollow cylinder ispositioned in the upper plate, and the other part of the hollow cylinder is positioned in the lower plate; and inorganic flame-retardant glass magnesium plates are attached to the outer surface of theupper plate and the outer surface of the lower plate. The environment-friendly energy-saving interior decoration new material plate has a fireproof function and is also provided with a channel wherea circuit is arranged.

The invention discloses a self-adaptive voltage-dividing anti-compression power transmission cable, and relates to the technical field of cables, and the key points of the technical scheme are that the self-adaptive voltage-dividing anti-compression power transmission cable comprises an outer insulating layer and three battery core wires. The battery core wires are wrapped by inner insulating layers, the self-adaptive voltage-dividing anti-compression power transmission cable also comprises a Y-shaped pressing sheet composed of three branch arch sheets and three inner expansion sheets, and the branch arch sheets and the inner expansion sheets are alternately arranged; the three battery core wires are uniformly distributed between the outer sides of the adjacent branch arch sheets; an insulating filling layer is arranged among the outer insulating layer, the branch arch pieces and the inner insulating layer; an elastic filling layer is arranged in the Y-shaped pressing sheet; each branch arch sheet comprises an outer expansion sheet and two partial pressure sheets symmetrically arranged on the two sides of the outer expansion sheet, and the two ends of each inner expansion sheet are connected with the partial pressure sheets in the adjacent branch arch sheets respectively. According to the invention, large pressure borne by the battery core wire in a single direction can be dispersed to the periphery of the corresponding battery core wire through the pressure dividing sheet, so that the battery core wire is prevented from being damaged by the large pressure or the tightness of the internal layer structure distribution of the cable is prevented from being destroyed, and the compression resistance and stability of the battery core wire are effectively improved.

The invention relates to the technical field of buildings, in particular to a multi-combination steel keel. The multi-combination steel keel comprises a keel connecting piece main part, a keel connecting piece accessory and a keel frame. Clamping tongues are separately arranged at both ends of the bottom of the keel connecting piece main part, and clamping tongue grooves are formed in the bottom of the keel connecting piece accessory. The keel frame is in a U shape, and nail grooves are formed in the bottom of the keel frame. The end with a low slope of the keel connecting piece accessory is welded to one end of the keel frame to be connected integrally to form a main keel. When combination, the keel connecting piece main part is inserted and abuts against a downward concave baffle pier from the end with a high slope of the keel connecting piece accessory, and the clamping tongues bounce into the clamping tongue grooves to complete the combination.

The invention relates to accurate automatic filling pile centralizing equipment and an application method thereof. The accurate automatic filling pile centralizing equipment comprises supporting legs,a connecting frame, a connecting pile, a pile filler and other components, wherein the connecting frame comprises a connecting plate, and the lower portion of the connecting plate is connected with aguide frame; the connecting pile is connected to the connecting plate and the guide frame; the supporting legs are connected to the edge of the connecting plate through connecting rods; the pile filler is connected to the bottom of the guide frame; the middle of the connecting plate is provided with an embedment hole; the inner wall of the embedment hole is provided with a connecting pile squeezer; the connecting pile squeezer is internally connected with the connecting pile; the connecting plate and the supporting legs are connected through the connecting rods; gyroscope sensors are arrangedat the joints of the connecting plate and the connecting rods; supporting leg supporting plates, floating plates and supporting airbags are arranged in an annular cavity between the floating plates and the supporting plates in an arrayed mode. The application method comprises the steps of conducting filling on a standard pile through the pile filler, pushing the connecting rods through the supporting airbags, accordingly, righting the connecting plate and then righting the connecting pile.

The invention relates to an environmentally friendly and energy-saving interior decoration new material plate, including a base plate, the base plate is provided with an installation cavity penetrating through the front and rear sides, and a hollow cylinder extending in the same direction as the installation cavity is provided in the installation cavity. The base plate includes an upper plate and a lower plate, the upper plate and the lower plate are bonded by an adhesive, and a part of the hollow cylinder is located in the upper plate, and another part of the hollow cylinder is located in the lower plate In addition, the outer surfaces of the upper board and the lower board are bonded with inorganic flame-retardant glass magnesium boards, which is an environmentally friendly and energy-saving interior decoration new material board, which not only has a fireproof function, but also has a channel for wiring.

The invention discloses an automotive air conditioner filter element cleaning device. The device comprises a filter element casing, a cleaning device, a wiping movement mechanism and a feed drive device, wherein a wiping feed mechanism is fixedly mounted at the right end of the filter element casing, the axial end of the wiping feed mechanism is axially connected with the cleaning device through adrive shaft, and the drive end of the wiping feed mechanism is axially connected with the feed drive device fixedly mounted on the right side surface of the wiping feed mechanism. The whole device has the characteristics that the device has higher cleaning efficiency and better cleaning effects, is convenient operate and maintain, is safe and reliable in the working process, cannot damage the inner structure of a filter element and the like. Compared with other movement forms, the device has better wiping effects, the wiping force is easy to control, deformation of a crankshaft is reduced dueto adoption of bilateral gear drive, the whole device has higher flexibility and distortion resistance, and drive of the cleaning device is realized by a composite wheel set mechanism.