44results about How to "Guaranteed binding" patented technology

The invention belongs to the field of air cleaning, and especially relates to a novel filtering material for an air cleaning machine, and a preparation method and a use thereof. The filtering material comprises at least one melt-blown fabric filter layer subjected to surface electrostatic treatment, and an active carbon layer uniformly arranged on the at least one melt-blown fabric filter layer, and the outer side of the at least one melt-blown fabric filter layer is also provided with a polyester skeleton supporting layer. The novel filtering material is an one body formed by sequentially bonding the polyester skeleton supporting layer as a first layer, the melt-blown fabric filter layer as a second layer, the active carbon layer as a third layer, the melt-blown fabric filter layer as a fourth layer and the polyester skeleton supporting layer as a fifth layer, can realize efficient cleaning of solid pollutants and gas pollutants, and can greatly reduce the volume of the filter core of the air cleaning machine and improve the space utilization rate; and the melt-blown fabric filter layers are subjected to the surface electrostatic treatment, so the adsorption efficiency of pollutants is greatly improved under same conditions, and the air cleaning efficiency is improved.

The invention relates to a diffusion welding method of a copper target material and a back plate. The diffusion welding method comprises the following steps that (1), the copper target material, the back plate and a cushion block, wherein the back plate is provided with a groove, and the areas of the copper target material and the cushion block are equal to the bottom area of the groove of the back plate; (2), the copper target material and the cushion block in the step (1) are sequentially put into the groove of the back plate to finish assembly treatment, and then a whole body is put into asheath; (3), the sheath obtained in the step (2) is sealed and then degassed; and (4), hot isostatic pressing welding is carried out on the sheath degassed in the step (3), and then the sheath and thecushion block are removed to finish diffusion welding of the copper target material and the back plate. According to the diffusion welding method, by improving an assembly structure of the copper target material and the back plate, the bonding degree of welding faces of the copper target material and the back plate is guaranteed, abnormal growth of crystal grains is effectively avoided, and particularly the phenomenon that the crystal grains are thick and large at the edge of the copper target material is avoided.

The invention relates to an L-shaped steel component and belongs to the technical field of steel structures. The steel component comprises a steel part with the outer contour being in an L shape and connecting parts. The long side steel plate of the steel part is provided with longitudinal reinforcing ribs; the connecting parts are connected to the longitudinal reinforcing ribs; and the U-shaped connecting parts on the opposite sides are connected together in a lap joint mode. According to the L-shaped steel component, the loaded property and level of industrialization of the structure can be improved.

The invention relates to a T-shaped steel member, and belongs to the technical field of steel structures. The steel member comprises a T-shaped steel part of which the outer contour is shaped like T and connectors, the connectors are connected to steel part long edge steel plates, and the connectors on the opposite sides are connected in a lapped mode. According to the T-shaped steel member, the stress performance of the structure and an industrialization level are improved.

The invention relates to a composite preparation for promoting the release of active phosphorus in sediment of a freshwater aquiculture pond and a preparation method for the composite preparation, and relates to a composite preparation for promoting the release of active phosphorus in sediment of an aquiculture pond and a preparation method for the composite preparation. By the invention, the problems that phosphorus in water is deficient and the phosphorus in the sediment is high in content but cannot be released in the conventional aquiculture pond are solved. The composite preparation consists of phytase, a soil phosphorus activating agent and kaolin. The preparation method for the composite preparation comprises the following steps of: weighing the phytase, the soil phosphorus activating agent and the kaolin, adding the weighed components into a stirrer, stirring uniformly, and granulating by using a granulator. The composite preparation acts on the sediment of the pond, so that the water environment is improved effectively, and the environment of a substrate of the pond can be improved. The composite preparation can be widely applied to freshwater aquiculture ponds of which the organic matter content of the sediment is high, and also can be applied to aquiculture phases including water culture after the aquiculture ponds are cleaned.

The invention relates to an I-shaped steel and concrete combined structure member and belongs to the technical field of steel-concrete structures. The I-shaped steel and concrete combined structure member comprises a steel member body and concrete. The steel member body comprises box-shaped steel parts and connectors, and the connectors are steel rods used for connecting long-side steel plates of the box-shaped steel parts. The connectors divide the steel member body into a plurality of areas, concrete is poured in part of the areas, and no concrete is poured in the remaining areas. The stress performance and industrial level of the structure can be improved.

The invention relates to a cross-shaped steel component, which belongs to the technical field of steel structures; the steel component includes a cross-shaped steel piece and a connecting piece, the connecting piece is connected to the steel plate on the long side of the steel piece, and the opposite side connecting piece is overlapped Together. The invention will improve the mechanical performance and industrialization level of the structure.

The invention relates to an I-shaped steel member, and belongs to the technical field of steel structures.The I-shaped steel member comprises a box-shaped steel member and U-shaped connectors.Steel plates at the long edges of the box-shaped steel member are provided with longitudinal stiffening ribs, the connectors are connected onto the steel plates at the long edges of the box-shaped steel member, and the U-shaped connectors on opposite sides of the I-shaped steel member are overlapped with one another.The I-shaped steel member has the advantages that the stress performance of structures can be improved, and the industrialization level of the structures can be upgraded.

The invention relates to an inline component, which belongs to the technical field of steel structures; the inline steel component is composed of a box-shaped steel component and a connecting piece, the connecting piece is connected to a long side steel plate of the steel component, and the connecting piece includes a steel rod. The invention will improve the mechanical performance and industrialization level of the structure.

The invention discloses an intelligent data collector, which belongs to the technical field of electrical products and comprises a mounting seat and a first shell fixedly connected to the outer wall of one side of the mounting seat, a second shell is fixedly connected to the outer wall of one side of the first shell, port assemblies are arranged on the inner walls of the two sides of the first shell, and a heat dissipation assembly is arranged on the inner wall of the middle of the second shell. The port assembly comprises a plug body fixedly connected to the inner wall of the first shell and a sliding block slidably connected to the inner wall of the middle of the plug body, the outer wall of one side of the plug body is fixedly connected with two symmetrically-installed building frames, the inner walls of the building frames are rotationally connected with gears, two symmetrical sliding holes are formed in the inner wall of the plug body, and a square hole is formed in one end of each sliding hole. According to the invention, the port assembly is arranged, and in a normally closed state, the port plate is located in the plug body and is prevented from being located at a protruding part of the whole collector, so that the contact area with air is greatly reduced, the insertion hole of the port plate can be protected while the dust contamination of the port plate is reduced, and the damage to the port plate caused by machine collision is avoided.

The invention discloses a copper iron water jacket and a casting forming method thereof. The copper iron water jacket comprises a matrix, wherein a red copper pipe is arranged in the matrix and connected with a water inlet pipeline and a water outlet pipeline; a steel plate frame integrally formed with the matrix is arranged in the matrix and formed by mutual butt joint of steel plates arranged in the matrix and integrally formed with the matrix; claw nails are welded on the steel plates. The casting forming method of the copper iron water jacket comprises the following steps: modeling, embedding the steel plates, bending a pipe, preheating, embedding the red copper pipe, melting, pouring, unpacking, sawing a casting head, machining, polishing and applying for inspection of finished products. According to the invention, the advantages of the copper water jacket and the iron jacket are integrated into a whole, so that not only does the copper iron water jacket have better structural strength and long service life, but also the copper iron water jacket is good in heat-conducting property and cooling effect.

The invention provides a labor-saving stapler, and belongs to the technical field of machines. The labor-saving stapler solves the problems that an existing labor-saving stapler is complex in connection relation, and high in manufacturing cost. The labor-saving stapler comprises a bottom cover, a staple box, a pressing box and an outer cover; the inner end of the staple box is hinged to the inner end of the bottom cover, the inner end of the pressing box is hinged to the inner end of the bottom cover, the inner end of the outer cover is connected with the inner end of the bottom cover, the outer end of the outer cover can be pressed downwards or opened outwards relative to the bottom cover, a protruding portion is arranged on the upper side of the inner end of the pressing box, an acting portion protruding outwards is arranged on the inner wall of the top of the inner end of the outer cover, and the lower end of the acting portion is located above the protruding portion; a linkage structure is arranged between the outer side of the inner end of the pressing box and the inner wall of the inner end of the outer cover; when the outer cover is opened outwards relative to the bottom cover, the pressing box can be driven by the linkage structure to turn over outwards around the hinge point of f the pressing box and the bottom cover; the labor-saving stapler has the beneficial effects that use of a connecting frame is omitted, the manufacturing cost is reduced, and meanwhile the functions of labor saving and normal staple containing are still achieved.

The invention discloses a bird repelling device suitable for being arranged at different positions and used for power distribution network. The bird repelling device comprises a fixed bottom frame, a mounting base, a supporting frame, a mounting frame and a fixed frame, fixed through holes are formed in a top part of the fixed bottom frame, a connecting hole is formed in a middle part of a fixed plate, a top column is arranged on an inner side of the connecting hole, a supporting rod is connected to an inner side of a fixing cover, sector plates are arranged at a top end of the supporting rod at equal angles, a middle frame is arranged on an outer side of a top end of an adjusting rod, toothed plates are arranged on outer sides of the middle frame, and an inversion module is arranged in the supporting frame. The bird repelling device suitable for being arranged at different positions and used for power distribution network can ensure a stable installation and adaptability, can be adapted to installation at different positions , meanwhile, has multiple bird repelling modes, can collect solar energy for utilization, ensures a bird repelling effect, needs frequent maintenance, and facilitates long-time stable bird repelling.

The invention relates to a method for binding a mobile phone terminal and intelligent equipment, which comprises the following steps that: S1: a server configures an intelligent equipment information database, and the intelligent equipment information database contains a plurality of intelligent equipment unique identifiers and mobile phone numbers bound with the intelligent equipment unique identifiers; s2, the mobile phone terminal obtains a user mobile phone number or an intelligent equipment unique identifier and sends the user mobile phone number or the intelligent equipment unique identifier to the server to request to obtain an MQTT account number and a password; s3, the server verifies whether the mobile phone number or the unique identifier of the intelligent equipment is legal or not; and if the MQTT account number and the password are legal, sending the corresponding MQTT account number and the password to the mobile phone terminal according to the mobile phone number of the user or the unique identifier of the intelligent equipment, and opening a control link between the mobile phone terminal and the corresponding intelligent equipment. The mobile phone number binding method has the beneficial effect that the mobile phone terminal using the mobile phone number can be bound with the intelligent equipment at any time. The method can be used for binding intelligent equipment which is relatively long in distance or is in an area not suitable for human survival.

The invention relates to a cross steel-high performance concrete combined member and belongs to the technical field of combined structures. The combined member comprises a steel part with the crossed outer contour, connecting parts and high performance concrete, wherein the connecting parts are connected to steel plates on the long sides of the steel part, and the opposite connecting parts are connected together in a lap-joint mode. The high performance concrete is located in the area where the connecting parts are located. The stress bearing performance and the industrial level of structures can be improved through the cross steel-high performance concrete combined member.

The invention relates to an L-shaped steel member and belongs to the technical field of steel structures. The L-shaped steel member comprises a steel piece and connecting pieces. The connecting pieces are connected with steel plates on the long edges of the steel piece. The connecting pieces are in a U shape. The U-shaped connecting pieces on the opposite sides are in lap joint. By means of the L-shaped steel member, the structural stress performance and the industrial level are improved.

The invention discloses a plastic-wood floor with high bonding degree. The plastic-wood floor with the high bonding degree comprises a board body provided with lugs at intervals, wherein the lugs areinternally provided with cavities; an insert block with an embossment is arranged at one end of the board body; a groove which can accommodate the embossment is formed in the other end of the board body, and the length of the top edge of the groove is larger than the length of the bottom edge of the groove. When the groove is clamped with the embossment, the top edge of the groove is covered abovethe insert block. The surface of the floor is designed to be in the form of spaced embossment, so that concavo-convex feeling during walking is ensured, friction force between the floor and soles ofa pedestrian is increased, and the phenomena of skidding and wrestling caused by rain and snow weather are prevented. The cavities formed by clamping the groove of the board body and the insert block,partial pressure between the groove and the insert block can be removed to ensure the service life of the groove of the board body and the insert block.