Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

71results about How to "Reduce material usage" patented technology

Unidirectional power transmission high power density module and modular medium voltage frequency converter

The invention discloses a high-power-density module for unidirectional power transmission and a modular medium-voltage frequency converter. The high-power-density module for unidirectional power transmission is composed of a grid-side full-bridge circuit, a high-frequency converter, an LC resonance branch, a multi-winding high-frequency transformer, a high-frequency diode circuit and a machine-side full-bridge circuit. A direct-current port of the grid-side / machine-side full-bridge circuit is connected with a direct-current port of the high-frequency converter and a direct-current port of the high-frequency diode circuit respectively, and an alternating-current port of the high-frequency converter and an alternating-current port of the high-frequency diode circuit are connected with a winding of the high-frequency transformer through LC resonance branches respectively. The modularized medium-voltage frequency converter comprises M high-power-density modules, and alternating-current ports of network-side / machine-side full-bridge circuits of all the modules are connected in series / in parallel to form a network-side three-phase alternating-current port and a machine-side n-phase alternating-current port. According to the invention, the number of IGBTs is effectively reduced, the capacitance value of the capacitor is reduced, and the size of the transformer is reduced, so that the transformer has the characteristics of low cost and high power density.
Owner:XI AN JIAOTONG UNIV

Insect breeding tank and continuous breeding system and method

The continuous insect breeding system comprises a plurality of breeding tanks, an insect material inlet and outlet device, a water and air supply device and the like, water is supplied upwards and downwards from the middle breeding tank, and two independent water supply channels are formed; air is supplied upwards from the bottommost breeding tank and exhausted after passing through the topmost breeding tank. The water storage device of one breeding tank comprises a water flow channel plate with a plurality of parallel grooves, the water flow channel plate and water distribution pipes on the two sides are installed below a tank body transverse plate together and connected with a water receiving opening through the water distribution pipes, and the water receiving opening, the water distribution pipes, the water flow channel plate and the transverse plate form a plurality of independent water flow channels. Through reverse air supply, bottom-layer materials are quickly dried, and the situation that larva eating is reduced due to the fact that upper-layer foodstuff is too quickly dried is prevented; cooling water enters from the middle and is discharged from the top layer and the bottom layer, heat generated by the middle breeding tank can be effectively taken away, meanwhile, the top layer breeding tank and the bottom layer breeding tank are heated, the activity of larvae in the top layer breeding tank is improved, and evaporation of water of materials in the bottom layer breeding tank is accelerated.
Owner:杭州汉山环境工程技术有限公司

Insulating component, acquisition assembly, battery module and battery pack

The utility model belongs to the technical field of batteries, and discloses an insulating part, an acquisition assembly, a battery module and a battery pack, the insulating part is used for installing a connecting row and an acquisition wire harness, and the connecting row comprises a first plate body and a second plate body which are connected in a bending manner; the insulating part is provided with a mounting part and a clamping groove sunken relative to the mounting part, the mounting part is used for mounting the first plate body and the acquisition wire harness, the second plate body is mounted in the clamping groove, and the side, deviating from the insulating part, of the second plate body is closer to the mounting part than the side, deviating from the insulating part, of the first plate body; the side, away from the insulating part, of the second plate body is used for installing a voltage acquisition strip for acquiring a wire harness. The voltage acquisition strip can be conductively connected with the second plate body of the connection bar without being bent to a large degree or even without being bent, so that the material consumption of the voltage acquisition strip can be reduced, the production cost can be reduced, the strength loss of the voltage acquisition strip can be reduced, the service life of the voltage acquisition strip can be prolonged, and the reliability of voltage signal acquisition can be improved.
Owner:EVE ENERGY CO LTD

Cooker cover and pressure cooker

The cooker cover comprises a cover body and an elastic sealing ring, the cover body is sleeved with the elastic sealing ring in the circumferential direction, the cooker cover further comprises a driving mechanism and a plurality of movable blocks, the first ends of the movable blocks are located in the cover body and connected with the driving mechanism, and the driving mechanism can drive the movable blocks to stretch out towards the outer side of the cover body; and the second ends of the plurality of movable blocks extrude the elastic sealing ring outwards. The cooker cover is low in structural complexity, the manufacturing cost of the pressure cooker can be reduced, the relative rotation angle of the cooker cover and the cooker body does not need to be controlled, and compared with an existing screwing type pressure cooker, the convenience of using the pressure cooker by a user can be improved, and the use experience of the user is improved. In addition, the appearance of the cooker cover is similar to that of a common cooker, a user cannot easily recognize the cooker cover and the pressure cooker structure with the cooker cover as a dangerous pressure container, and the user can be effectively prevented from fear of the pressure cooker.
Owner:HANGZHOU LITI TECHNOLOGY DEVELOPMENT CO LTD +1

Anti-seismic stop block of bridge

The utility model relates to the technical field of bridges, and provides an anti-seismic stop block of a bridge, which comprises a connecting part and a supporting part which are connected with each other, the connecting part is provided with a through hole, an anchoring steel bar can penetrate through the through hole, and the anchoring steel bar is arranged in a cover beam, a support padstone or a pier. According to the device, the anti-seismic check block is prevented from protruding out of the top face of the cover beam, the cover beam does not need to reserve an installation space on the top face, the outer end face of the cover beam can be flush with the end face of the support padstone, the use amount of cover beam materials is saved, the main beam and the bridge deck which are large in self weight exist above the installation position of the connecting part, the connecting part can be pressed more tightly, and the anti-seismic effect is better. Therefore, the foundation stress of the anti-seismic check block is more stable, the transverse displacement of the main beam is effectively resisted by virtue of the self weight of the upper structure, the impact force of the main beam does not need to be resisted independently by virtue of the self weight of the anti-seismic check block, the design size of the anti-seismic check block is effectively reduced, the design difficulty and the construction difficulty are further simplified, and the construction period is shortened.
Owner:SICHUAN CHENGLE EXPRESSWAY CO LTD +1

Outer wrapped concrete UHPC-stainless steel combined formwork air shaft structure and construction method

The invention discloses an externally-wrapped concrete UHPC-stainless steel combined formwork air shaft structure and a construction method, the externally-wrapped concrete UHPC-stainless steel combined formwork air shaft structure comprises a UHPC-stainless steel combined formwork, staggered hole PBL shear keys, a reinforcement cage and external concrete, the UHPC-stainless steel combined formwork comprises a stainless steel cylinder and prefabricated UHPC, and the staggered hole PBL shear keys are arranged on the outer wall of the stainless steel cylinder. The performance advantages of a combined structure and an assembly type structure are combined, the rigidity and the bearing capacity of the UHPC-stainless steel combined formwork are enhanced, and the problems that a traditional stainless steel sheet is prone to deformation, bulging and protruding in the construction stage are effectively solved. Connection of the prefabricated UHPC, the stainless steel cylinder and external concrete is completed through the staggered hole PBL shear keys, the shear resistance between interfaces is improved, and cooperative work of all parts is guaranteed. The modular assembly type construction technology is adopted, the construction efficiency and the construction progress can be remarkably improved, the well wall thickness and the material consumption are reduced, and the method has remarkable performance advantages and wide application prospects in nuclear engineering structures.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Deburring device for processing mothproof and breathable woolen sweater

The utility model relates to the field of clothing deburring device discloses mothproof and ventilative sweater processing's deburring device, including two fixed plates, two fixed plates are fixed on handheld rod respectively, the below of handheld rod is equipped with connecting block, the bottom surface of connecting block is fixed in two fixed plates, the bottom surface of connecting block detachably installs the brush, the bottom surface of connecting block is equipped with two clamping holes, the top of brush is fixed with two elastic clamping blocks, the clamping hole, elastic clamping block interlock. In the utility model, through the cooperation of fixed plate, handheld rod, connecting block, brush, clamping hole and elastic clamping block, not only provides stable, convenient operation tool for staff, is favorable to the deburring operation of woolen sweater, but also can realize the quick dismounting of brush, improves work efficiency and reduces maintenance cost.
Owner:桐乡市濮丰服饰股份有限公司

Safe and compact-structure dual-rotor motor and clothes dryer comprising same

A safe and compact-structure dual-rotor motor and a clothes dryer comprising the same are disclosed, the safe and compact-structure dual-rotor motor comprises a stator core and a stator coil holder, the stator coil holder is connected to the axial end face of the stator core through a plurality of metal connecting pieces, the stator core is provided with an outer stator wire slot for accommodating an outer stator winding and an inner stator wire slot for accommodating an inner stator winding, the metal connecting piece is arranged between the outer stator wire slot and the inner stator wire slot, and the stator wire frame is provided with an outer insulating ring located between the outer stator wire slot and the metal connecting piece and an inner insulating ring located between the inner stator wire slot and the metal connecting piece. According to the utility model, the structure of the double-rotor motor is more compact, and the size is smaller.
Owner:HUZHOU YONGCHANG BEISHITUO ELECTRIC APPLIANCE INDAL

Wire harness guiding device and air conditioner

ActiveCN222654771Uavoid staggered confusionQuick tidy upElectrical apparatusMechanical engineeringCable harness
The utility model relates to the technical field of air conditioners, in particular to a wire harness guiding device and an air conditioner, and aims to solve the problem that wire harnesses in an indoor unit of an existing air conditioner are disordered and are inconvenient to maintain. In order to achieve the purpose, the wire harness guiding device comprises a first wire penetrating piece, the first wire penetrating piece is provided with a first wire penetrating cavity, a first wire penetrating opening and a second wire penetrating opening, the first wire penetrating opening and the second wire penetrating opening are formed in the first wire penetrating piece, and the first wire penetrating opening and the second wire penetrating opening are both communicated with the first wire penetrating cavity; the area of the first wire passing opening is larger than that of the second wire passing opening. Through the structural arrangement, the problem that the wire harnesses are staggered and disordered is avoided, the wire harnesses are more orderly, and the threading efficiency is improved; when the wire harness passes through the second wire passing opening, the wire harness can be tightened, and the wire harness is prevented from loosening; in addition, when the air conditioner is maintained, the maintenance personnel can quickly arrange the wire harnesses and carry out operations such as rewiring, so that the maintenance efficiency is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2

Railway assembled steel diagonal brace composite PC beam and construction method thereof

The present invention relates to a railway assembled steel diagonal brace composite PC beam and a construction method thereof, wherein the assembled structure comprises a prestressed concrete box beam, a prestressed concrete box beam cantilever flange and a steel diagonal brace, wherein the prestressed concrete box beam cantilever flange is connected to the transverse outer end of the prestressed concrete box beam top plate through a steel bar, and the joint is a transverse splicing surface; the cantilever flanges of the prestressed concrete box beams of multiple sections and each section of the prestressed concrete box beams are longitudinally connected through steel bars, and the joint is a longitudinal splicing surface; the upper end of the steel diagonal brace is fixed to the transverse outer end of the cantilever flange of the prestressed concrete box beam, and the lower end of the steel diagonal brace is fixed to the transverse outer end of the bottom plate of the prestressed concrete box beam. The advantages of the prestressed concrete structure and the steel structure are fully utilized, the appearance is beautiful, the force is clear, and the prefabricated assembled construction can be carried out, which has significant economic benefits and has broad application prospects in the field of bridges.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Machining process of mounting plate and heat exchanger

According to the machining technology of the mounting plates, the stamping die is used for stamping the workpiece to be machined, the multiple mounting plates are formed, the multiple mounting plates are aligned in the first direction, and the adjacent mounting plates can be arranged in an attached mode; in this way, no waste or little waste exists between every two adjacent mounting plates formed through punching, more mounting plates can be formed on workpieces to be machined of the same size, and the material utilization rate of the workpieces to be machined can be increased.
Owner:SHAOXING SANHUA AUTOMOTIVE THERMAL MANAGEMENT TECHNOLOGY CO LTD

A lamp outer frame

ActiveCN224551404URealize thin and light designImprove adaptabilityLight fixture
The utility model discloses a lamp outer frame has four first and last joint section bars, and the section bar is L type, and is formed by the bending of the sheet material, and the lower half portion end inner side portion of section bar is bent and forms the convex, compared with the scheme that diffuser plate is laid flat on the lower half portion inner side wall of section groove, the utility model is through the convex and props up diffuser plate, makes the opening end of the light -reflecting cover can extrude the circumference of diffuser plate downward, makes the middle portion of diffuser plate and is convex downward and even crosses the lower half portion inner side wall of section bar or even crosses the lower half portion of section bar, under the condition that the light -emitting distance of fixed light plate and diffuser plate is considered, makes the whole sinking of both, utilizes the space of the lower end opening of lamp outer frame, thereby reduces the occupation of diffuser plate thickness to lamp outer frame height space, so as to make section bar height or the height of lamp outer frame smaller, realizes the light and thin design of lamp.
Owner:SHENZHEN ZHIHUA HENGYI ELECTRONIC TECHNOLOGY CO LTD

Non-wearing up-driving spiral sludge dewatering device

The utility model discloses a no wearing upper drive spiral sludge dewatering device relates to sludge dewatering equipment technical field, including main drive motor, gear drop mud tank, main driven spiral shaft, fixed dynamic ring piece group. Be equipped with dynamic ring drive mechanism above fixed dynamic ring piece group, and the movement conversion mechanism of dynamic ring drive mechanism will rotate the rotation of rotating transmission shaft and convert into plane swing. The input of arc movement output assembly is connected movement conversion mechanism, and the output is vertically through dynamic ring piece group. Two -way limit guide structure restricts the horizontal degree of freedom of arc movement output assembly bottom. Among them, movement conversion mechanism and arc movement output assembly cooperate, make dynamic ring piece group make arc reciprocating motion between fixed ring piece group, and dynamic ring piece group and driving spiral shaft and driven spiral shaft keep non -contact state, completely eliminate wear and tear, and the whole mechanism is located outside filtrate splashing area, and the structure is compact, and the cost is low, and the maintenance is convenient, and the filtrate passage is unobstructed, and effectively improve dewatering efficiency and equipment life.
Owner:JIANGSU KINTEP ENVIRONMENTAL PROTECTION EQUIP CO LTD

A permanent magnet synchronous hub motor for electric vehicles and its application in electric vehicles

This invention discloses a permanent magnet synchronous hub motor for electric vehicles and its application in electric vehicles. The motor includes a stator assembly integrated with the motor shaft and a permanent magnet outer rotor assembly integrated with the electric vehicle hub, magnetically coupled to the stator assembly, and coaxially outputting power. The stator assembly includes a stator core formed by stacking several stator laminations, each stator core having multiple winding slots containing stator windings. The permanent magnet outer rotor assembly includes a yoke ring and several permanent magnets fixedly spaced on the inner surface of the yoke ring, wherein the aspect ratio of the permanent magnets ranges from 0.18 to 0.2. This invention, through special design, achieves a lower permanent magnet thickness without negatively impacting the motor itself or its performance in electric vehicles.
Owner:WUXI SINE POWER TECH CO LTD

High-temperature flue gas cyclic heating oil-rich heating furnace device and heating method thereof

An oil-rich heating furnace device circularly heated by high-temperature flue gas comprises a heating furnace body, a combustor for heating, a combustion-supporting air pipeline, a furnace top flue gas pipe arranged on the upper portion of the heating furnace body, an air preheater, a flue gas discharge chimney and an oil-rich conveying pipe arranged in a furnace cavity. The device is characterized in that the center of the furnace body is provided with a high-temperature flue gas injection guide cylinder and a rich oil delivery pipe surrounding the outer ring of the high-temperature flue gas injection guide cylinder; the burner for heating is arranged on the inner hearth wall at the lower part of the heating furnace body; the bottom of the hearth is provided with an in-furnace flue gas circulating channel which is formed by an out-furnace circulating hot air pipeline and a furnace top flue gas pipe at the upper part of the heating furnace body; an air pipeline, a hot air pipeline, a flue gas discharge chimney and an in-furnace combustor on the two sides of the air preheater form an out-furnace preheated air conveying channel capable of utilizing the flue gas discharge chimney to preheat; therefore, the closed furnace internal and external circulation heating system capable of continuously heating rich oil flowing through the conveying pipe of the in-furnace rich oil disc is formed.
Owner:NANTONG FURNACE HIGH-TECH R&D CO LTD

UHPC (Ultra High Performance Concrete)-based wind power tower with ground anchor beam and construction method thereof

The UHPC-based wind power tower comprises a plurality of layers of UHPC tower column units which are arranged in an up-down stacking mode, and each UHPC tower column unit is of a frame type structure with a supporting column as a supporting component; the wind power tower further comprises a plurality of ground anchor beams with applied prestress, and the ground anchor beams are arranged between the UHPC tower column units and a ground foundation. The invention further provides a construction method of the wind power tower with the ground anchor beam. According to the wind power tower structure, under the action of the ground anchor beams, the UHPC tower columns are in a high-pressure stress state, the advantage of high compressive strength of UHPC can be brought into full play, and the stress performance of the UHPC tower columns is improved. A frame type tower column structure with UHPC as a main body material is adopted, the rigidity and the wind resistance stability are higher, the self weight is low, the height can be higher, and the fatigue resistance and the durability are good.
Owner:HUNAN UNIV

A double-skin lightweight roof structure system with complementary mechanical performance advantages

The present invention proposes a double-skin light roof structure system with complementary stress-bearing performance advantages, including a roof upper skin cross beam system, a roof lower skin grid structure system, a V-column system, a string structure system, and an oblique support system; the V-column system connects the roof upper skin cross beam system to form an upper rigid frame structure system; the string structure system is connected to the upper rigid frame structure system to form a "rigid frame structure system with strings"; the oblique support system is arranged below the roof lower skin grid structure system. The structural system proposed in the present invention combines the characteristics of a rigid frame structure system, a string structure system, a space grid structure system, and a flexible support structure system. Through reasonable structural design and construction sequence optimization, the stress-bearing performance advantages of the upper and lower skin structures can be complemented, and the cross-sectional size and material consumption of structural components can be effectively reduced to achieve a light and flexible architectural effect. It is a lightweight roof structure system with an integrated building structure.
Owner:EAST CHINA ARCHITECTURE DESIGN AND RESEARCH INSTITUTE CO LTD

Novel support system for capping beam construction and construction method

The invention discloses a novel support system for capping beam construction and a construction method.The novel support system for capping beam construction comprises a cross beam structure and a plurality of stand columns arranged above a bridge bearing platform in a supported mode, and the stand columns are arranged on the periphery of a pier column above the bearing platform in a surrounding mode to form a vertical supporting structure; the cross beam structure is erected on the tops of the vertical supporting structures corresponding to the pier columns, the tops of the pier columns upwards penetrate through the cross beam structure, and capping beam construction is conducted above the cross beam structure. The construction method has the effect of improving the construction efficiency of the bent cap.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

A solar cell, a cell assembly, and a photovoltaic system

The application is suitable for the technical field of solar cells, and provides a solar cell, a battery assembly and a photovoltaic system. The solar cell comprises a silicon substrate including a doped layer, a passivation layer arranged on the silicon substrate and formed with a plurality of through holes, and a fine grid including a conductive structure and a connecting structure. The conductive structure is electrically connected to the doped layer through the through holes, and the connecting structure connects the conductive structures corresponding to two adjacent through holes. The through holes include a first hole, a second hole and a third hole arranged in sequence along a first direction. The conductive structure includes a first conductive part, a second conductive part and a third conductive part arranged correspondingly to the first hole, the second hole and the third hole. The connecting structure includes a first connecting part and a second connecting part. The first connecting part connects the first conductive part and the second conductive part, and the second connecting part connects the second conductive part and the third conductive part. The center line of the first connecting part is spaced from the center line of the second connecting part in a second direction, and the second direction intersects the first direction.
Owner:ZHUHAI FUSHAN AIKO SOLAR ENERGY TECH CO LTD +4

Display module and display device

The invention provides a display module and a display device. The display module comprises a display panel; the supporting layer is located on one side of the backlight face of the display panel and used for bearing the display panel; the side, close to the display panel, of the supporting layer is provided with a graphical part, and the graphical part comprises a plurality of grooves which are distributed in multiple columns at intervals in the first direction. According to the display module, the formation of stress concentration areas can be reduced, the stripping phenomenon caused by bending is reduced, and meanwhile, the portability of equipment is ensured.
Owner:XIAMEN TIANMA DISPLAY TECH CO LTD

Improved transmission part of tunnel type washing machine

The utility model provides an improved transmission part of a tunnel type washing machine, which comprises a bearing frame, an inner barrel and a driving assembly for connecting and transmitting the bearing frame and the inner barrel, the driving assembly comprises a driving source, a supporting part and a transmission part, the driving source is arranged on the bearing frame, and the supporting part is arranged inside the bearing frame. According to the utility model, the material consumption of the supporting frame is reduced, the welding strength is reduced, only the mounting contact surface of the gear motor of the supporting frame is processed, a turnover frame is omitted, the number of rollers is reduced from eight to four, and three rows of small chain wheels, three rows of large chain wheels and three rows of chains are changed into double rows of small chain wheels, double rows of large chain wheels and double rows of chains; and a 22Kw speed reducing motor is changed into a 13.5 Kw speed reducing motor, so that the early investment of a user is reduced, the cost is reduced, the washing quantity of the user and the product stability are ensured, the action is smoother, the noise is obviously reduced, and the placement in small space, basement, high-rise and multiple places is realized.
Owner:江苏威士智能装备有限公司

Joint with snap

ActiveCN224592894UAvoid Loose Offsetavoid scratches
This utility model discloses a connector with a snap-fit ​​mechanism, comprising a connector body, a tightening cap, and a fastening nut. The connector body is hollow and has a through hole. A first thread and a second thread are provided on the connector body. Several snap-fit ​​blocks are provided at the end of the connector body near the first thread. The tightening cap is threadedly engaged with the first thread. The inner wall of the tightening cap has an abutting inclined surface for contacting the snap-fit ​​blocks, causing them to retract and tighten around the bellows. The fastening nut is threadedly engaged with the second thread. Several positioning blocks are provided on the outer peripheral wall of the other end of the connector body. The end of each positioning block near the second thread is higher than the end of the snap-fit ​​block away from the second thread. The end of the positioning block near the second thread is connected to the end of the snap-fit ​​block away from the second thread by a smooth inclined surface. Its structure is simple, positioning and installation are convenient, fastening is reliable, and it is easy to tighten promptly when loose, resulting in good performance.
Owner:ZHEJIANG HANGSHI ELECTRIC CO LTD

Steak film covering device

The beefsteak film covering device comprises a bottom plate, a box body is arranged on the surface of the top of the bottom plate, a supporting plate is arranged in the box body, an electric push rod is arranged on the surface of the top of the supporting plate, the tail end of the electric push rod penetrates through the surface of the bottom of the supporting plate and is provided with a rectangular plate, and a film covering cylinder is arranged on the surface of the bottom of the rectangular plate. An annular cutter is arranged on the surface of the bottom of the film covering cylinder, a first circular plate is arranged in the film covering cylinder, a limiting rod is movably arranged on the surface of the top of the first circular plate in a penetrating mode, a second circular plate is arranged on the surface of the top of the limiting rod, and a spring is arranged on the limiting rod and located between the first circular plate and the second circular plate. The meat slice film laminating device has the advantages that air between meat slices and a packaging film can be exhausted, the fitting degree of the meat slices and the packaging film is improved, the film laminating effect is improved, the tensioning degree of the packaging film can be adjusted, and the flatness of the meat slices subjected to film laminating is improved.
Owner:河南美是食品有限公司

Lightweight heat dissipation type automobile hub structure

The utility model discloses a kind of lightweight heat dissipation type automobile hub structure, it is related to lightweight heat dissipation type automobile hub technical field, including hub main body, the outer wall of hub main body is integrally connected with heat dissipation component, one side of the hub main body is provided with lightweight assembly, the inside of the lightweight assembly is provided with bolt, the lightweight assembly includes hub cover, and hub cover is fixed in one side of hub main body.This lightweight heat dissipation type automobile hub structure is set by setting hollow frame and carefully setting hollow groove on it, cleverly optimize hub structure, these hollow grooves are reasonably laid out and designed, under the premise that sufficient structural strength is fully guaranteed to hub, various acting forces in the process of stable bearing vehicle weight and driving, the material usage amount of hub is effectively reduced, the goal of lightweight hub is realized, which not only helps to reduce vehicle energy consumption, improve the agility of control, but also can provide strong support for the optimization of overall performance of vehicle.
Owner:HENAN YONGRUN ELECTROMECHANICAL TECH CO LTD

A floating wind turbine foundation and an offshore floating wind turbine

The present invention discloses a floating wind turbine foundation and an offshore floating wind turbine, including a buoy, a composite damper, a connecting plate and a control system. The buoys are multiple and arranged in a regular polygon with equal spacing. Two adjacent buoys are movably connected by a connecting plate. A composite damper is arranged in each buoy. The control system is connected to the composite damper. The composite damper is controlled by the control system to achieve dynamic adjustment of the damping of the floating wind turbine. The present invention can effectively reduce the amplitude of the motion response of the floating wind turbine, thereby reducing the stress of the foundation buoy and the mooring system, reducing the foundation design requirements, reducing the amount of foundation materials, reducing the construction cost, and achieving the cost reduction effect.
Owner:GUANGDONG MINGYANG WIND POWER IND GRP CO LTD

Door lock sealing element, vehicle door assembly and vehicle

The invention provides a door lock sealing piece, a vehicle door assembly and a vehicle. The door lock sealing piece is applied to a vehicle door assembly and comprises a base part, a first clamping part and a second clamping part. The base part is connected with the first clamping part and the second clamping part. In the first direction, the base part is located between the first clamping part and the second clamping part; in the second direction, the first clamping part and the second clamping part extend out of the base part; wherein the second direction is perpendicular to the first direction. And at least parts of the areas, exceeding the base part, of the first clamping part and the second clamping part and the base part form a single plate clamping space used for clamping a vehicle door inner plate. According to the door lock sealing piece, the single plate clamping space is arranged, the first clamping part and the second clamping part only need to clamp the vehicle door inner plate, multiple parts do not need to be fixed at the same time, design consideration factors of the door lock sealing piece are reduced, the door lock sealing piece can be matched with door lock mounting holes in different positions, and universality is improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Efficient water conveying pipeline and manufacturing method and construction method thereof

The efficient water conveying pipeline is characterized in that the efficient water conveying pipeline comprises a steel pipe, prefabricated concrete pipe pieces are arranged on the outer surface of the steel pipe, grouting holes are evenly distributed in the peripheral surface of the steel pipe, and the prefabricated concrete pipe pieces are provided with embedded pipes in one-to-one correspondence with the grouting holes; a self-compacting grouting layer is arranged on the outer side wall of the prefabricated concrete pipe piece through grouting. Compared with a conventional water pipe lined with a steel pipe, the prefabricated concrete pipe piece effectively wraps the steel pipe, and the thickness of the steel pipe and the use amount of materials can be reduced; the preloaded pressure is applied to the prefabricated concrete pipe piece, cracking of the prefabricated concrete pipe piece can be relieved, and when the preloaded pressure is larger than the concrete pipe piece tensile stress caused by the internal water pressure borne by the efficient water conveying pipeline, it can be guaranteed that the concrete pipe piece does not crack.
Owner:HUADIAN HEAVY IND CO LTD

Cover plate assembly and battery cell

The embodiment of the utility model discloses a cover plate assembly and a battery monomer, and relates to the technical field of batteries, the cover plate assembly comprises a cover plate main body and a pole, the pole comprises a pole main body and a pole plate body, the pole main body penetrates through the cover plate main body, the pole plate body is provided with at least two hollow parts, and the hollow parts are arranged in the pole main body. The at least two hollow parts divide the pole column plate body into a first connecting part and at least two second connecting parts connected with the first connecting part; the first connecting part is connected with the pole main body; the second connecting part is used for being connected with a tab or an adapter; according to the technical scheme provided by the embodiment of the invention, the hollow part is arranged on the pole column plate body, so that the material consumption of the pole column plate body is reduced, and the overall material cost of the battery is reduced. Moreover, the hollow part is arranged, so that the overall mass of the cover plate assembly can be reduced, and the light weight of the battery is realized.
Owner:SUNGROW POWER SUPPLY CO LTD