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 discloses a disposable slipper producing device in the technical field of disposable slipper production. The disposable slipper producing device comprises two feed devices, a vamp edge folding device, an ironing device capable of ironing and forming a bent vamp fabric, a die press capable of pressing the vamp fabric and a sole fabric together, an inclined slope type guide table, a final forming device capable of directly shearing out a finished product, and a winding device, further comprises a plurality of feed rollers which abut against the vamp fabric and the sole fabric and are used for controlling the conveying directions and relative positions of the vamp fabric and the sole fabric, and further comprises a control module and an ultrasonic generator. The ultrasonic generator is connected with an ironing die head and a forming die head through control lines and can control the heating temperatures of the ironing die head and the forming die head. The control module is connected with the ultrasonic generator, an ironing drive mechanism, a horizontal push-pull mechanism, a vertical lifting mechanism, a die head drive mechanism, a forming drive mechanism and a winding drive mechanism through control lines. The automation of the whole production process of disposable slippers can be achieved.

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 belongs to the technical field of lined tunnels, and particularly relates to a soft rock tunnel TBM supporting system and supporting method. Through holes are formed in the middles of pipe pieces; NPR anchoring parts are arranged in the through holes; surrounding rocks are anchored and restrained through the NPR anchoring parts; and a temporary supporting system with the combination of the powerful NPR anchoring parts and the pipe pieces as the core is formed. The supporting method comprises the steps that when a tunnel face is driven, a certain deformation space needs to be reserved for releasing deformation energy of surrounding rocks; and after excavation of the tunnel face is completed, the NPR anchoring parts need to carry out high-pretightening-force supporting on the surrounding rocks in time, and high-stress compensation is performed on the surrounding rocks, so that the surrounding rocks are promoted to recover the original stress state again, and the purpose of controlling the stability of the surrounding rocks is achieved. The construction process comprises the following steps of 1, laying a reinforcing mesh on a tunnel wall surface after the tunnel face is driven; 2, splicing the pipe pieces into an annular pipeline on the reinforcing mesh; 3, installing the NPR anchoring parts in the through holes of the pipe pieces; and 4, after the surrounding rocks are stabilized, dismantling the pipe pieces, and performing secondary lining construction.

The invention relates to the field of archives management, and specifically relates to an archives management method based on the technology of mobile Internet. The method employs storage equipment, mobile Internet equipment, and an archives management system. An archives management system based on the technology of mobile Internet facilitates the unified management of electronic archives, and facilitates the storage and access of centralized managed archives. The method effectively solves a problem that users at different places use the archives, and more importantly, meets the demands of current mobile office for archives management. Meanwhile, the system is designed according to the use characteristics of a mobile terminal, achieves simple, convenient and close connection with mobile equipment, is safe and efficient, and achieves the convenience based on the mobile Internet.

The invention provides a method and a device for setting cutting line on pasteup layout, and belongs to the technical field of typesetting printing, wherein the method comprises the following steps: determining coordinates of each page on a pasteup layout; determining nonadjacent pages based on the coordinates; and respectively setting a cutting line at four corners of the layout and on the nonadjacent pages. The provided technical scheme ensures that the printing process can be automatically achieved based on the design requirements of the customized typesetting under the condition of pasteup output.

The invention discloses a design method and system for reducing link loss of a circuit board, and the circuit board. According to the method, a circuit board is divided into a first area for transmitting high-speed signals and a second area for transmitting non-high-speed signals; when the link of the first area is designed, low-roughness copper foil is adopted to design the link of the first area; and when the link of the second area is designed, the link of the second area is designed by adopting the copper foil with high roughness. According to the invention, the link loss is reduced by reducing the roughness of the copper foil of the link, so that the problems of cost increase caused by upgrading of the circuit board and insufficient wiring space caused by additional arrangement of thedriving chip are avoided; and only the copper foil roughness of the high-speed signal link with high link loss requirement is reduced, and the roughness of the copper foil of the non-high-speed signal link still maintains high roughness, so that the bonding degree of the copper foil and the interlayer dielectric of the circuit board is ensured on the basis of meeting the link loss requirement ofthe circuit board so as to prevent the problem of circuit board layering caused by insufficient bonding.

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 storage rack assembly (1) for storing nuclear fuel elements, which comprises at least two storage racks (1<I-IV>) respectively comprising a plurality of channels which are mutually vertically arranged in parallel and used for holding the fuel elements. The storage rack assembly (1) additionally comprises one or a plurality of base plates (20, 20<I-IV>), the corresponding storage racks which are mutually arranged in parallel are connected to a public base plate, and the base plates are capable of moving on a floor (24) of a storage pool.

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 discloses a file binding device for engineering audit. The device comprises a base; a cavity is formed in the base; a vertical plate is fixedly mounted on one side of the top surface ofthe base; the top surface of the vertical plate is hinged with a horizontal pressing plate; a mounting plate is fixedly mounted on the bottom surface of the pressing plate; the bottom surface of the mounting plate is hinged with two support rods; the two support rods are distributed front and back; a horizontal support plate is arranged under the mounting plate; two first chutes with dovetail sections are formed in the top surface of the support plate; and the two first chutes are distributed front and back. When staples are used for binding files, first fixing pins, second fixing pins, thirdfixing pins and fourth fixing pins can be upwards bent in different directions to reach a horizontal state, so that the staples achieve tight grabbing in different directions, the grabbing force of the staples is improved, the file binding is firmer, the file scattering is prevented, and the use is convenient.

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.

A Design method of double-sided arcuate band clearance for micro-turbojet engines features that the theoretical minimum clearance of band is calculate by considering the circumferential tension loss caused by friction force aft the band is installed according to the restriction required by engine system, and the clearance of arcuate band is calculated according to the circumferential tension losscaused by friction. Based on the strength analysis and design criterion of elastic-plastic shakedown theory, under the condition of ensuring the safe operation of the structure, a certain amount of plastic deformation is allowed to occur in the local area of the structure, and the theoretical maximum clearance of the band is calculated. Considering the manufacturing error between the shell and theband, the minimum gap and the maximum gap of the band are calculated. Finally, between the design minimum clearance and the design maximum clearance, the optimal design clearance is determined by weighting coefficient. By using the optimum clearance value given by the clearance amount design method described in the patent of the invention, the precise control of the binding force of the band on the engine can be realized, and the qualification rate of the band manufacture can be greatly improved.

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 discloses a lifecycle management method and system for an embedded device of the Internet of Things, which comprises the following steps: the embedded device of the Internet of Things enters the production mode, and the product detection is performed on the device, and an instruction to switch to the transportation mode is sent when the product passes the detection ; After receiving the mode switching command, encrypt and authenticate the IoT embedded device and enter the transportation mode; after installing the IoT embedded device, enter the standby mode, enable the backup power supply and configure the device ID information for the device; according to the device ID The information generates a wireless communication certificate and sends an activation command, and the embedded device of the Internet of Things enters the activation mode and is officially enabled for operation. Its advantages are as follows: reducing the operating power consumption of the embedded system of the Internet of Things, ensuring the safety and reliability of the equipment power supply, improving system information security, and reducing the cost of communication resources.

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 laser engraving method for editable curved surface 3D textures, laser equipment comprises a five-axis numerical control platform, a laser engraving system, a PC industrial personal computer and CAM software installed in a WINDOS operating system of the PC industrial personal computer, and the laser engraving method comprises the following steps: S1, the CAM software adopts a designed and processed high-quality gray-scale texture picture, and the processed high-quality gray-scale texture picture is subjected to laser engraving; the texture data are laid on the 3D model curved surface of the machined part through UVN direction curved surface control characteristics, and a 3D texture file is generated; s2, generating a machined part 3D model with 3D textures on the curved surface through a gray-scale value substitution algorithm; s3, generating a final vector diagram file by editing and setting the gray-scale value; and S4, controlling a five-axis numerical control platform to cooperate with a laser engraving system to perform numerical control displacement through a final program generated by the CAM software, processing according to a vector diagram file designed or edited by the CAM software, and engraving 3D textures. Through the disclosure of the invention, the editability of the 3D texture can be realized.

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 belongs to the field of constructional engineering, and particularly relates to a method for reinforcing a reinforced concrete column by anchoring bidirectional fiber cloth through flexible rivets. According to the method, bidirectional fiber cloth is used for winding a to-be-reinforced reinforced concrete column body, epoxy resin is used for curing the bidirectional fiber cloth, flexible rivets are pasted on the surface of the bidirectional fiber cloth or among the multiple layers of bidirectional fiber cloth in the axial direction of the reinforced concrete column, and the flexible rivet is composed of a main rod and a fan-shaped pasting face integrally connected with the main rod. According to the method, the main rod is implanted into the beam connected with the column body, the flexible rivet is pasted on the fiber cloth through the fan-shaped pasting face, and the anchoring effect is good; and the flexible rivets can reduce the construction difficulty and cost, do not damage the fiber cloth and the column body, can effectively avoid the conditions of stress concentration at the anchoring position and stripping damage of the fiber cloth, and ensure the restraining capacity of the bidirectional fiber cloth to the maximum extent.

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.