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3674results about How to "Improve structural strength" patented technology

Full-automatic laser welding forming system

The invention discloses a full-automatic laser welding forming system, which relates to the technical field of laser welding, and comprises a laser generation and light beam modulation module, a material conveying and positioning module, a welding execution module, a visual inspection and monitoring module, an intelligent self-adaptive control module and an energy recovery and reutilization module, the material module accurately conveys and positions materials; the welding module robot is accurate in operation; the visual module detects welding seams; the intelligent module performs self-adaptive control; the energy module recycles energy. The welding quality is improved, and defects are reduced; the production efficiency is improved and the cost is reduced; operation is simple, and manpower requirements are reduced; energy is saved, environment is protected, and green concept is met; real-time monitoring is achieved, and the product quality and the management level are guaranteed.
Owner:SHENZHEN JINGYU ELECTRONICS CO LTD

Battery pack

According to the battery pack provided by the invention, the battery pack has good insulating strength, so that the safety performance of the battery pack is improved. The battery pack comprises a box body, a battery array and a structural adhesive; the battery array is accommodated in the box body, the battery array comprises a plurality of battery units which are arranged in parallel, each battery unit comprises a plurality of batteries, the plurality of batteries comprise first batteries and second batteries, the first batteries and the second batteries are arranged alternately, and the first batteries and the second batteries are arranged alternately. The adjacent first battery and second battery are connected through a first buffer pad; the first battery and the second battery respectively comprise a shell and a first insulating film covering the outer surface of the shell; the structural adhesive is used for fixing the first battery and the second battery on the box body; moreover, among the respective second batteries of the battery array, the second battery having the largest number m of adjacent second batteries satisfies the following relational expression (1): # imgabs0 #
Owner:DONGFENG MOTOR CO LTD DONGFENG NISSAN PASSENGER VEHICLE CO

Fiber continuous longitudinal and transverse reinforced integral composite material skin structure and forming method

ActiveCN119550651AImprove structural strengthThe overall structure is light in weightWeight reductionFiberSkin structure
The invention relates to a fiber continuous longitudinal and transverse reinforced integral composite material skin structure which is formed by co-bonding an upper skin (3), a lower skin (1) and a longitudinal and transverse reinforced structure (2). The invention further relates to a forming method of the fiber continuous longitudinal and transverse reinforced integral composite material skin structure. The forming method comprises the step of forming the longitudinal and transverse reinforced structure (2). Paving the skin and positioning the longitudinal and transverse reinforcing structure (2); and curing the paved fiber continuous longitudinal and transverse reinforced integral composite material skin structure, machining a circular opening in each of the left side and the right side of the longitudinal and transverse reinforced structure (2), and completing the whole forming process of the fiber continuous longitudinal and transverse reinforced integral composite material skin structure. The skin structure is light in weight and continuous in fiber, the structural strength is effectively enhanced through integral structure cementing co-curing forming, the integral structure is more excellent in rigidity performance, and the embedded longitudinal and transverse reinforcing structure is high in size and position precision.
Owner:JIANGXI HONGDU AVIATION IND GRP

Box body, battery and electric equipment

The invention relates to the technical field of battery structures, and provides a box body, a battery and electric equipment.The box body is used for containing a battery module and comprises a bottom plate, a mounting beam and a module beam, the bottom plate is provided with a first side face and a second side face which are opposite in the thickness direction, a reinforcing structure is arranged on the bottom plate, and the module beam is used for mounting the battery module; the module beam is arranged on the first side face, the mounting beam is used for mounting the box body and arranged on the second side face, and the reinforcing structure is used for being connected to the mounting beam and / or the module beam; according to the box body provided by the embodiment of the invention, the mounting beam and / or the module beam can be connected by utilizing the reinforcing structure, so that the connecting strength between the bottom plate and the mounting beam and / or the module beam can be improved, and the aim of meeting the requirement of the box body on relatively high structural strength can be fulfilled.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Ecological seawall structure

The utility model relates to an ecological seawall structure, which belongs to the technical field of bank protection engineering and comprises a seawall foundation, the seawall foundation comprises a slope top and a slope body, and a retaining wall structure is arranged at the joint of the slope top and the slope body. An arc-shaped wave dissipation ridge is arranged at the position, spaced by a certain distance from the retaining wall structure, of the top end of the slope body, a cushion layer is laid at the position, located between the arc-shaped wave dissipation ridge and the retaining wall structure, of the top end of the slope body, and the cushion layer comprises a dry stone cushion layer and a broken stone cushion layer which are sequentially arranged from top to bottom. A first block stone cushion layer is laid at the position, located on the side, away from the retaining wall structure, of the arc-shaped wave dissipation ridge, of the top end of the slope body, extends to the bottom of the slope body and further extends outwards to be connected with a second horizontal block stone cushion layer, and a first concrete retaining wall is arranged at the joint of the first block stone cushion layer and the second block stone cushion layer. The accropode is laid at the top end of the second block stone cushion layer and located on the outer side of the first concrete retaining wall. The safety of the seawall can be effectively guaranteed, and the stability of the seawall structure is guaranteed.
Owner:FUJIAN PROVINCIAL INVESTIGATION DESIGN & RES INST OF WATER CONSERVANCY & HYDROPOWER

Preparation method of flame-retardant anti-aging polyolefin plastic

The invention discloses a preparation method of a flame-retardant anti-aging polyolefin plastic, and belongs to the technical field of polyolefin material processing.The preparation method comprises the steps that a modified anti-aging agent is mixed with a DOPO-based flame retardant modified by introducing isocyanate and epoxy groups, the mixture is added into a polyolefin material, during combustion, carbon formation is promoted by the phosphorus element, and the flame-retardant anti-aging polyolefin plastic is obtained. The flame retardant and nitrogen element synergistically play a flame-retardant role, meanwhile, epoxy groups in the flame retardant and carboxyl of polypropylene are subjected to a ring-opening reaction, the crosslinking degree of the material is enhanced, the modified anti-aging agent can effectively capture free radicals and inhibit oxidative degradation, and the mechanical strength and flame-retardant effect of the material are improved. According to the modification method, the anti-aging, high-temperature-resistant and flame-retardant properties of the polyolefin plastic are remarkably improved, the stability of the polyolefin plastic in high-temperature and severe environments is enhanced, the service life is prolonged, and the mechanical property and the thermal stability of the polyolefin plastic are improved.
Owner:SHANGHAI YIWANG PLASTIC PIGMENT CO LTD

300-series stainless steel thin strip and continuous casting preparation method thereof

The invention belongs to the technical field of steel continuous casting, and particularly relates to a 300-series stainless steel thin strip and a continuous casting preparation method thereof. The stainless steel thin strip comprises the following components in percentage by mass: 0.01-0.05% of C; 0.30% to 0.60% of Si; 16.0% to 18.5% of Cr; 0.8 to 1.6 percent of Mn; 6.0 to 12.0 percent of Ni; 0.01 to 0.05 percent of N; 0.2%-3.5% of Cu; the steel comprises the following components in percentage by weight: less than or equal to 0.005% of S, less than or equal to 0.020% of P, less than or equal to 50ppm of B, less than or equal to 100ppm of Ce and the balance of The preparation method comprises the following steps: smelting, casting, hot rolling, water cooling, coiling to obtain a hot-rolled thin strip, and carrying out heat preservation and water quenching on the hot-rolled thin strip to obtain a finished product 300 series stainless steel thin strip. By adopting the optimized crystallization roller, the high-quality thin strip with the tensile strength of 900-1110 MPa, the yield strength of 670-780 MPa, the percentage elongation after fracture of 45%-65%, no cracks and wrinkles on the surface and the thickness of about 0.6 mm is obtained. The composition is reasonable in design, the preparation process is simple and controllable, and the obtained product is excellent in performance and convenient for industrial application.
Owner:CENT SOUTH UNIV

Cold-mixed and cold-laid ultrathin overlay asphalt mixture and construction process thereof

The invention discloses a cold-mixed and cold-laid ultrathin overlay asphalt mixture which is prepared from the following raw materials in parts by weight: 8-15 parts of rubber powder composite emulsified asphalt; 80 to 90 parts of aggregate; 0.3 to 0.5 part of polymer fiber; 0.5 to 1 part of an interface coupling agent; the invention also provides a construction process of the cold-mixed and cold-laid ultrathin overlay asphalt mixture. The rubber powder composite emulsified asphalt is obtained by emulsifying the composite modified asphalt prepared from the ground rubber powder of the waste tires and the SBS rubber, so that the performance index of the emulsified asphalt is greatly improved, and the bonding performance of a cold-mixed thin-layer asphalt mixture and an original pavement is ensured; in addition, by adding the polymer fibers, the structural strength and the crack resistance of the ultrathin overlay can be remarkably improved. The invention can significantly reduce energy consumption and environmental pollution, and has the advantages of noise reduction, environmental protection, low cost and the like.
Owner:SHENZHEN ROAD & BRIDGE CONSTR GRP +1

Paper pulp roll direct hot press molding equipment

The invention discloses equipment for direct hot-press molding of a paper pulp roll, and relates to the field of paper manufacturing. According to the scheme, a cutting area is reserved on a surface layer, the surface layer covers a cutting surface through a vibration base of a mold core assembly, and the problems of fiber burr exposure, loose structure and damp pollution caused by exposure of the cutting surface are solved; the folded and covered surface layer provides lateral limiting force in the hot pressing process, the compactness of the edge is enhanced, the middle cutting face is prevented from loosening, meanwhile, through axial friction force generated by reciprocating motion of the vibration base, it is further ensured that the surface layer and the cutting face are stably attached, material rebound and covering loosening are prevented, and the interlayer slippage condition is prevented; instantaneous impact force is generated through sliding impact of the vibration seat on the buffer cushion, so that the pressing effect of the surface layer in the hot pressing process is enhanced, the cutting surface is tighter and smoother, fiber looseness and tiny gaps are reduced, the edge sealing quality is improved, the protection effect of the cutting surface is improved, and the bonding strength of the surface layer and paper pulp is improved.
Owner:SHANGHAI TIMI PAPER PROD & PRINTING AFFAIR

Solid-state battery and preparation method thereof

The invention provides a solid-state battery and a preparation method thereof, and belongs to the technical field of secondary batteries. The solid-state battery comprises a positive pole piece, the positive pole piece comprises a positive active material layer, the positive active material layer comprises sulfide electrolyte, and the average particle size D50 of the sulfide electrolyte is larger than or equal to 50 nm and smaller than 1 micron. According to the solid-state battery disclosed by the invention, the doped and modified sulfide electrolyte in the positive active material layer is nanocrystallized, so that a closely distributed ion transmission network and a stable electrode / electrolyte interface are formed in the positive active material layer; good conductive circulation of the battery can be realized by adding a small amount of sulfide electrolyte into the positive active material layer, the energy density of the battery is improved, and the cycle life of the battery is prolonged; and meanwhile, the nanocrystallized sulfide electrolyte in the positive active material layer has higher structural strength, so that the nanocrystallized sulfide electrolyte can be prevented from cracking and powdering in the charge-discharge cycle process, and the storage life and the cycle life of the battery are further prolonged.
Owner:ENVISION DYNAMICS TECH (JIANGSU) CO LTD +1

Offshore concentrated photovoltaic detection early warning operation platform

The invention discloses an offshore concentrated photovoltaic detection early warning operation platform, and relates to the field of offshore photovoltaic power generation. Comprising a pile foundation and a supporting frame supported by the pile foundation, a photovoltaic panel is laid above the supporting frame, an anti-deformation support structure is arranged below the supporting frame, a supporting adjusting pile is arranged at the top end of the pile foundation, and the supporting adjusting pile is used for being supported at the bottom of the anti-deformation support structure. When the pile foundation settles and the supporting frame and the anti-deformation support structure deform, so that the supporting stress of the position of the supporting adjusting pile is changed, the supporting height is adjusted through the supporting adjusting pile to recover the supporting stress to the anti-deformation support structure; the supporting adjusting pile comprises a supporting part and an adjusting part, and the adjusting part adjusts the supporting height relative to the axial direction of the supporting part so as to recover the supporting stress on the anti-deformation support structure.
Owner:QINGDAO HUAQING MARINE TECH CO LTD

Hyperbaric oxygen chamber with replaceable inner container and replacement method of hyperbaric oxygen chamber

The invention relates to the technical field of oxygen cabins, in particular to a hyperbaric oxygen cabin with a replaceable inner container, which comprises a cabin body, sealing rings are respectively embedded at the left end and the right end of the cabin body, a solid pull rope is respectively arranged in each sealing ring in a penetrating manner, one end of each pull rope is respectively connected with a hook, the left end surface in the cabin body is connected with a round pipe, and the round pipe can be used for the pull rope to penetrate through. An air inlet pipe and an oxygen inlet pipe are respectively connected to the circular pipe; a lying cushion is arranged at the bottom in the cabin body, an inner container which can be taken out is arranged on the lying cushion in the cabin body, the inner container is composed of a cylinder made of soft fabric and a hard circular ring, the right end of the inner container is arranged in a sealed mode, hanging rings are arranged on the inner side and the outer side of the right end face of the inner container respectively, an elastic ring is arranged at the left end of the inner container, and the elastic ring can be clamped on the circular pipe; an opening is formed in the inner container. The high-pressure oxygen chamber has the advantages of replaceable inner container, good sealing performance, simplicity and convenience in operation, high adaptability, convenience in maintenance and the like, and the use safety and the treatment effect of the high-pressure oxygen chamber can be remarkably improved.
Owner:ZHENGZHOU OLIVER ELECTRONIC TECH CO LTD

Automatic bending device for light steel keel

The invention belongs to the technical field of keel bending, and particularly relates to an automatic bending device for a light steel joist, which comprises a conveyor, a bending assembly is arranged above the conveyor, and the device is provided with the bending assembly, so that the light steel joist can be attached to the surface of the bending assembly to be subjected to pre-deformation bending treatment; the light steel joist is subjected to small-angle deformation before formal bending treatment, so that the resilience after edge folding can be reduced, the residual stress in the light steel joist can be released, the possibility of quality problems such as deformation and cracking caused by stress concentration is reduced, the structural strength and durability of the light steel joist are enhanced, and the service life of the light steel joist is prolonged. The stability and reliability of the whole structure are guaranteed, the internal stress distribution is more uniform and reasonable, so that the machining precision and the product quality are improved, the bending consistency of the light steel keel is guaranteed, manual intervention is not needed, the automation degree of the bending process is greatly improved, the labor intensity is relieved, and the production efficiency is improved.
Owner:HANGZHOU DEDI NEW BUILDING MATERIALS CO LTD

Five-axis hybrid robot tail end pose error compensation method and system

The invention relates to the technical field of five-axis hybrid robot error compensation, in particular to a five-axis hybrid robot tail end pose error compensation method and system. The method comprises the following steps: acquiring vehicle body welding demand data and analyzing the welding strength difference between welding spots; thirdly, the theoretical contact strength of the manipulator is matched according to the welding strength difference data, the heat conduction toughness loss of adjacent welding spots is simulated, and the toughness influence gradient of the heat chain reaction is further recognized; then, carrying out regional gridding processing on the toughness influence gradient data, regulating and controlling the contact force of the manipulator, and learning a tail end pose error compensation strategy; and finally, designing automatic firmware based on the compensation strategy, and embedding the automatic firmware into the bottom layer of the robot to ensure that the tail end pose error is accurately compensated. According to the method, the error compensation technology of the five-axis hybrid robot is optimized, so that the error compensation technology of the five-axis hybrid robot is more perfect.
Owner:JIAXING UNIV

High-flexibility bending-resistant synchronous twisted-pair shielding flame-retardant drag chain cable

The invention discloses a high-flexibility bending-resistant synchronous twisted-pair shielding flame-retardant towline cable, and relates to the technical field of cables, the towline cable comprises a plurality of chain links, the plurality of chain links form a towline, the inner side of each chain link is provided with a cable structure, each chain link is provided with a cable blocking structure, the cable structure comprises an outer sheath layer, and the outer sheath layer is provided with an outer sheath layer. The inner side of the outer coating layer is provided with a braiding layer, the inner side of the braiding layer is provided with a wrapping layer, the inner side of the wrapping layer is provided with a core wire, the inner side of the core wire is provided with a conductor, the inner side of the wrapping layer is provided with a filler, and the cable structure is formed by synchronously completing pair twisting and total twisting of five types of oxygen-free copper flexible conductor wires or six types of oxygen-free copper flexible conductor wires. The outer diameter of the finished cable is small, the bending resistance of the cable structure is enhanced, the phenomenon that the cable structure is prone to open circuit and short circuit in the high-frequency bending process is avoided, and meanwhile, through the cooperative use of the cable blocking structure and the disassembly and assembly structure, when the single cable structure is damaged, independent disassembly and replacement can be carried out.
Owner:SHENZHEN LILUTONG TECH IND

Air outlet mesh enclosure and outdoor unit panel

The utility model belongs to the technical field of air conditioners, and discloses an air outlet mesh enclosure and an outdoor unit panel, main ribs are additionally arranged, and the minimum width of the main ribs in the radial direction of a center plate is limited to be larger than the width of radiation ribs in the radial direction of the center plate, so that the structural strength of the air outlet mesh enclosure is enhanced; therefore, when the air outlet mesh enclosure is designed, the number of the annular ribs can be reduced, so that the density of grids of the grating is reduced, the air outlet resistance of the air outlet mesh enclosure is reduced, and the noise of the air outlet mesh enclosure is reduced. Meanwhile, the minimum width of the main ribs in the radial direction of the center plate is limited to be larger than the width of the radial ribs in the radial direction of the center plate, the structural strength of the whole air outlet mesh enclosure can be improved, and the identification degree of the air outlet mesh enclosure is improved. In addition, the radiation ribs and the main ribs extend in the radial direction of the center plate in an arc mode, so that the radiation ribs and the main ribs are matched with the arc in the blade rotating direction of the wind wheel, the wind resistance of the air outlet mesh enclosure is smaller, and the air outlet noise is lower.
Owner:GUANGDONG VANWARD ELECTRIC

Integrated injection molding device for metal-plastic composite car lamp frame shell

ActiveCN119635944ASmooth layoutavoid voidsInjection molding machineMechanical engineering
The invention relates to the technical field of hollow part production, and discloses a metal-plastic composite car lamp frame shell integrated injection molding device which comprises an injection molding machine, a movable mold and a fixed mold are installed in the injection molding machine, an external manipulator and an external cooling module are installed outside the injection molding machine, and two fixing holes are symmetrically formed in the outer surface of the movable mold; an injection molding assembly is arranged in the injection molding machine, the injection molding assembly comprises not less than two metal pipes and not less than four extension pipes, and in the cooling process, the metal pipes are cooled from inside to outside based on the physical characteristics of the metal pipes; by means of the cooling mode, the middle of the molding material is cooled and shrunk firstly, the situation that the outer layer is solidified firstly due to the fact that cooling is conducted from the outside to the inside of the cavity traditionally is changed, when the internal material is cooled and shrunk, limitation of the solidified outer layer material is avoided, and therefore the problem that cavities are generated due to inconsistent shrinkage is effectively prevented.
Owner:ZHEJIANG HENGDAO TECH

Relay

The relay comprises a ceramic cover, an auxiliary static contact fixedly arranged on the ceramic cover, a coil assembly arranged below the ceramic cover and a PCB used for controlling the coil assembly to work, and the coil assembly is provided with a winding terminal; the relay further comprises an auxiliary leading-out terminal correspondingly connected with the auxiliary static contact, a coil leading-out terminal electrically connected with the winding terminal through the PCB and an insulating part used for fixedly holding the auxiliary leading-out terminal and the coil leading-out terminal, and the insulating part is integrally formed through injection molding. According to the relay, the insulating part used for fixedly holding the auxiliary leading-out terminal and the coil leading-out terminal is integrally formed through injection molding, so that forming and assembling are facilitated, the manufacturing procedures are reduced, the manufacturing efficiency is improved, the manufacturing cost is reduced, the structural strength is enhanced, and the relay is more compact in structure and smaller in size.
Owner:KUNSHAN GUOLIYUANTONG NEW ENERGY TECH CO LTD

Combined profile structure and forming method thereof

The invention provides a forming method of a combined profile structure. The forming method comprises the following steps that S1, primary rolling is conducted, specifically, a primary roller press gradually changes the section of a material belt into a circular tube shape through a pre-pressing roller and a plurality of sets of forming rollers; s2, external welding, wherein the two aligned side edges of the material belt are welded through a welding machine; s3, secondary rolling is conducted, specifically, a secondary rolling machine gradually rolls the section shape of the material belt from a circular tube shape to a flat square tube shape through a plurality of sets of shaping rollers and shape righting rollers; s5, cutting off: cutting off the material belt according to a preset length through a cutting machine; s6, laser welding is conducted, specifically, at least two strip-shaped reinforcing ribs are inserted into an inner hole of the cut-off material strip, the reinforcing ribs are arranged in parallel to the axial direction of the material strip, and the multiple reinforcing ribs are inserted into the flat square tubular structure at intervals in the left-right direction; and then the upper ends and the lower ends of the reinforcing ribs are welded to the upper side wall and the lower side wall of the flat square tubular structure correspondingly through a laser welding machine. The invention further provides a combined profile structure.
Owner:NINGBO XIANGLU AUTO PARTS

Spot welding equipment for automobile part machining

The invention relates to the technical field of automobile part machining, and discloses spot welding equipment for automobile part machining, the equipment is mainly composed of a spot welding machine and a spot welding auxiliary structure, the spot welding machine comprises a transformer, electrodes, a controller, a machine body and other conventional components, and the spot welding auxiliary structure is arranged between the upper electrode and the lower electrode of the spot welding machine and fixed to one side of the lower electrode; core components of the device comprise a lifting frame, a double-sided toothed plate, a spring rod, a push block, an auxiliary pressing rod, a reset rod, a sliding box, a ratchet gear, a reciprocating lead screw, a reciprocating sliding seat, an exhaust pipe, a click air pipe, a cleaning air pipe, a telescopic pipe, a cleaning box, an impeller, a cleaning piece and the like. Through the arrangement of the spot welding auxiliary structure, the spot welding quality and efficiency of the automobile parts are remarkably improved, the spot welding auxiliary structure plays an important role in promoting the part machining link of the automobile manufacturing industry, has remarkable advantages in the aspects of guaranteeing the product quality and improving the production benefits, and provides a reliable equipment solution for the automobile part welding process.
Owner:NANJING DIANXUANYE TECHNOLOGY CO LTD

Preparation method of determination kit for determining adiponectin in human body in vitro

The invention relates to the technical field of a preparation method of a determination kit for in-vitro determination of adiponectin in a human body, and particularly discloses a preparation method of a determination kit for in-vitro determination of adiponectin in a human body, which comprises the following steps: a coupling process; an S-shaped bent pipe is installed on the side connector, an upper connector is kept in an open state, a perfusion device adds 0.3-0.4 volume of a sealing buffer solution into the glass bottle, and 0.1-0.2 volume of the sealing buffer solution is injected into the glass bottle through an injection connector; and a storage process: closing the filling interface, opening the cover body, installing the up-down extending pipe, covering the cover body, opening the filling interface, carrying out resuspension ultrasonic treatment by using the storage buffer solution, and carrying out centrifugal washing for three times, thereby finally obtaining the adiponectin latex antibody. The device is easy and convenient to operate, simple in structure, independent of the manual control level and high in preparation efficiency, the situation that materials are left in a small-size glass bottle, consequently, the material ratio is difficult to control, and a small amount of confining liquid is needed is avoided, and the prepared adiponectin latex antibody is good in accuracy.
Owner:ZHEJIANG KANGTUO BIOTECHNOLOGY CO LTD

Vertical steam generator device

The utility model discloses a vertical steam generator device, which relates to the field of waste heat boiler devices and comprises a smoke inlet pipeline, an upper tube plate, a barrel, a smoke tube, a lower tube plate and a smoke outlet pipeline. And after passing through the through holes of the upper tube plate, the smoke tube and the through holes of the lower tube plate, the liquid leaves from the smoke outlet pipeline, after entering from the water inlet pipeline, the liquid is subjected to heat exchange to become a steam-water mixture, and the steam-water mixture sequentially passes through the cavity and the steam collecting pipeline and finally enters the steam collecting box. According to the utility model, the waste heat boiler is arranged in the vertical flue, so that the occupied area of the waste heat boiler is reduced, and the whole arrangement of the waste heat boiler is compact.
Owner:JINAN HUANGTAI GAS STOVE CO LTD +1

Auxiliary switch driving device for operating mechanism and high-voltage circuit breaker

The invention discloses an auxiliary switch driving device for an operating mechanism and a high-voltage circuit breaker. The auxiliary switch driving device comprises a bearing assembly; the transmission assembly is arranged on the bearing assembly, one end of the transmission assembly is externally connected with power output equipment, and the other end of the transmission assembly is movably connected with a guide assembly located at the bottom of the bearing assembly; the supporting assembly is mounted at the end part of the guide assembly and is used for connecting an auxiliary switch; under the driving of the power output equipment, the transmission assembly drives the guide assembly to move and pushes the supporting assembly to enable the auxiliary switch to rotate at the same time, so that signals of the auxiliary switch are changed. The switching angle of the auxiliary switch is accurately calculated according to the requirement for switching positions through position signals, the supporting assembly can push the rotating shaft of the auxiliary switch to rotate by different angles through cooperation of the guiding assembly and the supporting assembly in the auxiliary switch driving device, and therefore the requirement for sending different position signals can be met; accurate transmission of position signals can be achieved, and misoperation of other devices is avoided.
Owner:XIAN XD HIGH VOLTAGE SWTCHGEAR OPERATING MECHANISM CO LTD +1

Soft rock roadway bottom plate reinforcing method

The invention provides a soft rock roadway bottom plate reinforcing method. The soft rock roadway bottom plate reinforcing method comprises the following steps that S1, a bottom plate of a roadway is trimmed; s2, a reinforcing mesh is laid on the first concrete layer; anchor rods and / or anchor cables are driven to the bottom plate at intervals on the first net layer in the extending direction of the roadway; s3, grouting is conducted in the holes where the anchor rods and / or the anchor cables are located so that anchoring and fixing can be achieved; then, grouting is conducted on the first net layer; s4, a reinforcing mesh is laid on the second concrete layer, then grouting is conducted on the second mesh layer, a third concrete layer is formed through solidification, and the part, facing the second mesh layer, of the third concrete layer is of a downwards-protruding arch structure; by means of the method, the bottom plate of the roadway is stabilized and reinforced, the supporting and reinforcing strength of the bottom plate is higher, the three concrete layers have certain elastic deformation capacity, damage, cracks and failure caused by damage to the surface of the bottom plate of the roadway are avoided, and long-term stable work of the roadway is guaranteed.
Owner:CHINA ENERGY GRP NINGXIA COAL IND CO LTD

Strip steel coil welding device

The present invention provides a strip steel rolling welding device, comprising a strip steel limiting assembly, a strip steel power assembly, a strip steel outer edge shaping assembly, a rolling device, a round tube heating assembly, an opening shaping assembly, a straight seam welding assembly and a weld scar cutting assembly, which are sequentially arranged. The strip steel outer edge shaping assembly is used to cut the two side edges of the strip steel into oppositely arranged grooves. The strip steel rolling welding device described in the present invention can cut the two side profiles of the strip steel into opposite grooves through the strip steel outer edge shaping assembly. After rolling, the two grooves fit together, and then the fitting grooves are melt-welded by the straight seam welding assembly. During welding, the strip steel body located at the upper groove position is used to release the welding material for molten welding, and the strip steel body located at the lower groove position is used to receive the molten welding material. The molten welding material is self-gathered in the weld seam by gravity and surface tension to ensure the welding quality, and can reduce or avoid the weld scar inside the welded pipe, thereby improving the forming quality.
Owner:TIANJIN TENGFENG STEEL PIPE CO LTD

Battery pack and electric device

The utility model discloses a battery pack and an electric device, and relates to the technical field of batteries. According to the battery pack, the capacity of the battery pack can be improved under the condition that the overall strength of the battery pack is improved. The battery pack comprises a box body, a battery module and a bearing assembly, wherein a containing cavity is defined by the box body; the bearing assembly is matched with the battery module, the battery module is installed in the bearing assembly, and the bearing assembly is fixed in the containing cavity so that the battery module can be installed in the containing cavity. The battery pack provided by the utility model is used for providing electric energy for an electric device.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Wind-resistant cable structure convenient to install on pedestrian suspension bridge and construction method of wind-resistant cable structure

The invention relates to a wind-resistant cable structure convenient to install on a pedestrian suspension bridge and a construction method of the wind-resistant cable structure. The method is suitable for the field of pedestrian suspension bridge design and construction. According to the technical scheme, the wind-resistant cable structure convenient to install on the pedestrian suspension bridge is characterized by being provided with a main beam, the main beam is hung on a main cable through slings, wind-resistant main cables arranged in the length direction of the main beam are arranged on the two sides of the main beam, the two ends of each wind-resistant main cable are anchored to the ground through wind-resistant anchors, and the wind-resistant main cables are connected with the main cable through the wind-resistant anchors. First connecting pieces are sequentially arranged on the wind-resistant main cable in the length direction of the wind-resistant main cable, second connecting pieces are sequentially arranged on the main beam in the length direction of the main beam, at least one inhaul cable structure is arranged between the main beam and the wind-resistant main cable in the length direction of the main beam, and each inhaul cable structure is provided with an inhaul cable. The inhaul cable shuttles between the first connecting piece on the wind-resistant main cable and the second connecting piece on the main beam.
Owner:POWERCHINA HUADONG ENG CORP LTD

Coated substrate, laminated glass, and vehicle

The invention provides a coated substrate, laminated glass and a vehicle. The film-coated substrate comprises a substrate body and a film-coated element arranged on at least one side of the substrate body, the film-coated element comprises at least two light absorption layers and a high-refractive-index layer arranged between the two light absorption layers, the light absorption layers are made of at least one material selected from W, Ni, Cr, Ti, Nb, Mo, Si and Zr, and the refractive index of the high-refractive-index layer is larger than or equal to 1.8 at the position of light with the wavelength of 550 nm. By adopting the film-coated element composed of the light absorption layer and the high-refractive-index layer, the film-coated substrate has lower visible light transmittance TL1 and lower light reflectivity RL, and the shielding function of an ink area in related technologies is met. Moreover, the coating element is arranged on the substrate in a coating high-temperature sintering manner, so that the damage to the substrate due to the arrangement of a printing ink area in the related technology can be reduced, the impact resistance of the edge part of the substrate is improved, the probability of fracture of the substrate is reduced, and the structural strength of the coating substrate is improved.
Owner:FUJIAN WANDA AUTOMOBILE GLASS IND

Shock-resistant quartz flexible accelerometer swing beam and design method

The invention discloses an anti-impact quartz flexible accelerometer swing beam and a design method, relates to the technical field of accelerometer structure design, and solves the problem that the swing beam is easy to break when the existing swing assembly is sensitive to strong impact and high vibration in the directions of a swing shaft and an output shaft. The invention provides a shock-resistant quartz flexible accelerometer pendulum beam which is assembled in a pendulum assembly of a quartz flexible accelerometer comprising a quartz pendulum piece and a coil assembly, the quartz pendulum piece comprises a pendulum beam, a pendulum tongue and a pendulum piece outer ring, and the coil assembly comprises a coil framework and a coil winding. The swing beam comprises a reinforcing boss arranged on the surface of the swing beam.
Owner:BEIHANG UNIV

Battery monomer, battery and electric device

The invention provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. Wherein the battery monomer comprises a shell, a pole column body and a pole column cover plate, the shell defines a containing cavity, the pole column body is arranged on the shell, a communication channel communicated with the containing cavity is formed in the pole column body, the pole column cover plate is arranged on the pole column body, and a liquid injection hole communicated with the communication channel is formed in the pole column cover plate. According to the battery monomer, the area of the pole structure is increased under the condition that the size of the shell is not changed, so that the current passing efficiency of the battery monomer is improved, the processing and forming of the liquid injection hole are facilitated, the structure and processing of the shell are simplified, in addition, in the production and use processes, the possibility of splashing and overflowing of electrolyte is reduced, and the service life of the battery monomer is prolonged. Therefore, the reliability and the manufacturability of the battery monomer are improved.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD