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 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 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 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 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.