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128results about How to "Fast shipping" patented technology

Drilling equipment and drilling technology for nozzle pin hole machining

The invention relates to the technical field of machine tool machining, and discloses drilling equipment and a drilling process for nozzle pin hole machining, the drilling equipment comprises a support and a base, a drilling device and a lifting device are arranged on the support, a conveying device and a positioning device are arranged on the base, and a feeding conveying table and a discharging conveying table are arranged on the two sides of the base respectively; the drilling device comprises a control source, a plurality of drill bits and an adjusting part used for adjusting the positions of the drill bits, the lifting device comprises a first threaded rod and a transmission part, and the conveying device comprises a conveying belt and a moving part used for controlling the position of the conveying belt on the base. According to the drilling machine, the positions of the multiple drill bits are adjusted through the arrangement of the adjusting piece, workpieces are carried through the arrangement of the conveying belt, and therefore rapid machining and carrying of the workpieces are achieved, and the problems that when different workpieces are machined through a traditional drilling machine, matched cutter heads need to be frequently replaced, and the machining efficiency is high are solved. And machined workpieces need to be grabbed and placed through a mechanical arm, operation is complex, and the machining efficiency is affected.
Owner:JIANGSU LUHANG POWER TECH CO LTD

Large thermoplastic composite machine body assembling device and using method thereof

The invention discloses a large thermoplastic composite machine body assembling device and a using method thereof.The assembling device comprises two sets of elevated sliding rail assemblies, two sets of movable crown blocks, an AGV, four sets of barrel shape-preserving frames, a photogrammetry system and two sets of numerical control positioning systems, and the two sets of elevated sliding rail assemblies are symmetrically arranged at a certain interval between the two sets of elevated sliding rail assemblies; an AGV can pass through the middle, the two sets of movable crown blocks stretch across the tops of the two sets of elevated sliding rail assemblies side by side, the two sets of numerical control positioning systems are correspondingly arranged below the two sets of movable crown blocks, the barrel shape-preserving frame can fix one half of a thermoplastic composite machine body barrel, and a set of zero point positioning system is arranged on the upper end face of the barrel shape-preserving frame. The lower surface of the lower end of the machine body is provided with a set of ball head assembly, the machine body cylinder capable of being provided with the half thermoplastic composite material is fixed to the movable crown block, the lower surface of the lower end of the machine body is provided with a set of ball head assembly, the machine body cylinder capable of being provided with the half thermoplastic composite material is fixed to the AGV, the upper surface of the lower end of the machine body is provided with a set of ball head assembly, and the machine body cylinder capable of being provided with the half thermoplastic composite material is fixed to the numerical control positioning system. The technical scheme provided by the invention can be directly popularized to the technical field of mounting and lifting of aircraft floors of different sizes and types in the aeronautical manufacturing industry.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Novel magnesium alloy low-pressure anti-gravity casting machine

The invention discloses a novel magnesium alloy low-pressure anti-gravity casting machine, which relates to the technical field of low-pressure magnesium alloy casting, and comprises a main body mechanism, a crucible furnace part trolley running mechanism, a crucible furnace part trolley lifting mechanism, a mold part trolley running mechanism and a mold part pressing plate mechanism, the main body structure and the crucible furnace part trolley running mechanism are both installed in a preset foundation, the crucible furnace part trolley running mechanism is located below the main body structure, the mold part trolley running mechanism is installed on the ground surface and located in the middle of the main body structure, and the crucible furnace part trolley lifting mechanism is installed in the middle of the main body structure. The mold part pressing plate mechanism is mounted at the top of the main body mechanism; the main body mechanism plays a role in positioning and supporting; and the crucible furnace part trolley running mechanism and the mold part trolley running mechanism can quickly convey the crucible furnace and the mold to a designated place, and can alternately transport and continuously produce, so that the production efficiency can be guaranteed.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Transfer frame for waste metal processing

The utility model discloses a waste metal processing transfer frame which comprises a bottom frame, a shell and universal wheels, the shell is fixed at the top end of the bottom frame, a first hydraulic cylinder is arranged at the middle end in the shell, the output end of the first hydraulic cylinder is connected with a movable supporting plate, a guide rail is arranged between the movable supporting plate and the shell for sliding fit, and the universal wheels are symmetrically distributed on the bottom surface of the bottom frame. A second hydraulic cylinder is installed at the top end of the shell, the output end of the second hydraulic cylinder is connected with a push plate, the push plate is as wide as the movable supporting plate and is movably connected with the movable supporting plate, a rotating seat is installed on the outer surface of one end of the shell, a guide plate is rotatably connected into the rotating seat, and an extension plate is movably connected into the guide plate. According to the transfer frame for waste metal machining, through cooperation of the first hydraulic cylinders, the movable supporting plates and the guide rails, rapid loading and unloading of waste metal are achieved, the working efficiency is greatly improved, feeding and discharging are achieved through the transfer frame in a semi-automatic mode, and the labor intensity is reduced.
Owner:MAANSHAN CHENGCHEN MASCH EQUIP TECH CO LTD

Kiwi fruit peeling device

The utility model discloses a kiwi fruit peeling device. The kiwi fruit peeling device comprises a base, a positioning installation mechanism, a thread driving assembly and a self-adaptive peeling knife assembly. The rocker is rotated to drive the threaded rod to move transversely, the cross rod is driven to slide up and down along the stand column, and the peeling knife assembly is tightly attached to the surfaces of fruits under the buffering effect of the compression spring. The positioning mounting mechanism adopts a screw rod to adjust the distance between clamping plates so as to fix the device, so that the device does not shake when working on the table top; the peeling knife assembly achieves self-adaptive adjustment of the angle of a blade through a spring and a spherical end structure. The device solves the problems that traditional manual peeling is low in efficiency, and pulp is prone to being damaged by mechanical peeling, and has the advantages of being easy and convenient to operate, wide in applicability and high in peeling integrity.
Owner:SUIJIANG COUNTY YUANFA AGRICULTURAL DEVELOPMENT CO LTD

A downhole supercritical carbon dioxide fracturing coal rock device and construction method

The application provides a downhole supercritical carbon dioxide fracturing coal rock device and a construction method, which comprises a coal seam, a fracturing borehole, a hole blocking section, a hole sealing section, a fracturing section, a monitoring hole, a fracturing system, a temperature control system, a grouting system, a liquid carbon dioxide pressurizing system, a proppant mixing system, an extraction system and a data collector; the fracturing borehole is arranged on the coal seam and comprises the hole blocking section, the hole sealing section and the fracturing section; a plurality of monitoring holes are arranged on the coal seam and are spaced apart in the circumferential direction of the fracturing borehole; and the fracturing system is connected with the temperature control system. The proppant mixing system can improve the performance of the liquid carbon dioxide carrying proppant mixture, so that the proppant mixture effectively enters the fracturing fracture and maintains good flow conductivity. The temperature control system overcomes the difficulty in preparation of downhole supercritical carbon dioxide and can realize injection of carbon dioxide in a supercritical state into the fracturing coal seam.
Owner:NORTHEASTERN UNIV CHINA

Preparation method of tin-doped scaly nano gallium oxide thin film solar-blind ultraviolet photoelectric detector

The invention provides a preparation method of a tin-doped scaly nano gallium oxide thin film solar blind ultraviolet photoelectric detector. The preparation method comprises the following steps: carrying out cleaning pretreatment on a single crystal GaN substrate; depositing an Au thin film on the pretreated single crystal GaN substrate to serve as a catalyst layer; the preparation method comprises the following steps: mixing Ga2O3, diamond and SnO2 powder according to a certain mass ratio to prepare a precursor; putting the single crystal GaN substrate deposited with the Au thin film and a precursor into a CVD furnace, and growing according to preset gas flow, pressure intensity, reaction temperature and reaction time to obtain a tin-doped scaly nano gallium oxide thin film; and respectively preparing electrodes on the surface of the tin-doped scaly nano gallium oxide thin film and the surface of the GaN substrate by adopting a radio frequency magnetron sputtering method. The conductivity of the thin film is improved through tin doping, the specific surface area and light absorption are increased through the scaly nanostructure, high-performance deep ultraviolet photoelectric detection is achieved, and the technical problem that in the prior art, the dark current of a device is high is solved.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACAD OF SCI

Grain sliding pipe mounting device

The utility model provides a grain sliding pipe mounting device which comprises a bearing mechanism, a lifting mechanism and a lifting mechanism. The guide mechanism is arranged in the grain sliding pipe and used for keeping the grain sliding pipe in a vertical state; the first end of the traction piece is connected with the bearing mechanism, the traction piece is arranged on the guiding mechanism in a penetrating mode, and the second end of the traction piece is used for being connected with a traction machine and used for dragging the bearing mechanism under the action of the traction machine so as to convey the grain sliding pipe to the installation position. According to the grain sliding pipe conveying device, the bearing mechanism bears the grain sliding pipe from the bottom of the grain sliding pipe, the traction piece pulls the bearing mechanism to move and drives the grain sliding pipe to move to the installation position, it can be guaranteed that the grain sliding pipe is rapidly conveyed to the installation position, the guide mechanism guides the grain sliding pipe from the interior of the grain sliding pipe, and the grain sliding pipe is prevented from inclining in the conveying process; the grain sliding pipe is kept in a vertical state, subsequent installation of the grain sliding pipe is facilitated, operation is easy, and the installation speed is increased.
Owner:CHINA MCC 2 GRP CO LTD

Construction material transport cableway device

ActiveCN224716281Uflexible shippingfast shipping
The utility model provides construction material transport cable crane device belongs to the construction technical field, the technical problem of the lifting equipment being unable to be erected and the hoisting height being limited in mountainous highway construction due to site limitation. Comprise: the first fixed end and the second fixed end with height difference, the overhead cable connected between the first fixed end and the second fixed end, and the goods shelf capable of moving along the cable, the higher one among the first fixed end and the second fixed end is further provided with the winch, and the cable of winch is connected with the goods shelf. It has the technical effect of overcoming the terrain obstacle, improving the transportation efficiency and high flexibility.
Owner:SINTSZYAN TRANSPORTEJSHN KONSTRAKSHN GRUP KO LTD +1

Forming die for guide wheel body production

The utility model discloses a forming die for guide wheel body production, which comprises a bottom plate, the middle of the upper side of the bottom plate is fixedly connected with a bottom die, the upper side of the bottom die is provided with a material injection groove, the inner side of the material injection groove is fixedly connected with an electric push rod, and the upper end of the electric push rod is fixedly connected with a push plate. A fixing rod is fixedly connected to the upper side of the bottom plate, a lifting plate is arranged on the outer side of the fixing rod, a pressing block is fixedly connected to the lower side of the lifting plate, a discharging unit is arranged on the upper side of the bottom plate and comprises fixing blocks, and the fixing blocks are fixedly connected to the upper sides of the left end and the right end of the bottom plate. By arranging an electric push rod and a push plate, a formed wheel body can be conveniently pushed out, through a fixed block, a lifting groove, a lifting block, a connecting plate, a side plate, a moving groove, a connecting frame and clamping plates, the clamping plates on the left side and the right side can conveniently limit the wheel body and discharge the wheel body out of a bottom die, workers can conveniently and rapidly transport the wheel body, and operation is easy.
Owner:FUJIAN SHANGCHENGMING GENERAL MASCH CO LTD

A battery detection device and detection method using magnetic levitation X-rays

The present invention is applicable to the technical field of lithium battery detection, and provides a battery detection device and a detection method using magnetic levitation X-rays. The battery detection device using magnetic levitation X-rays includes: a magnetic levitation conveying module, including a guide rail and a battery fixture, the battery fixture is connected to the guide rail by magnetic levitation sliding, and the battery fixture is used to convey batteries; an X-ray detection module is arranged on one side of the guide rail, and is used to detect the battery on the battery fixture. The battery fixture is connected to the guide rail by magnetic levitation sliding, and the transportation speed is fast. Each battery fixture can operate independently without synchronous waiting, so the transportation efficiency is high; the battery fixture driven by magnetic levitation has high precision, and can accurately transport the battery to be tested to the detection station, so that accurate positioning can be achieved once.
Owner:SHENZHEN UNICOMP TECH CO LTD

Outdoor copper foam composite high entropy ceramic photothermal fresh water evaporator and preparation method thereof

The invention discloses a method for preparing an outdoor copper foam composite high entropy ceramic photothermal fresh water evaporator, comprising the following steps: S1, adding cobalt nitrate hexahydrate, iron nitrate nonahydrate, nickel nitrate hexahydrate, chromium nitrate nonahydrate, manganese nitrate hexahydrate, and hexadecyltrimethylammonium bromide to deionized water, mixing evenly, then adding urea, and stirring to obtain a mixed solution; S2, subjecting the mixed solution to a hydrothermal reaction, centrifuging, washing, and drying to obtain a precursor powder; S3, subjecting the precursor powder to a heat treatment to obtain a high entropy ceramic; S4, adding high entropy ceramics and aluminum phosphate to deionized water, ultrasonically dispersing to obtain a suspension, placing copper foam in the suspension, and drying after immersion to obtain an outdoor copper foam composite high entropy ceramic photothermal fresh water evaporator. The invention has a simple preparation process and is easy to mass produce; the prepared photothermal fresh water evaporator has a high water evaporation efficiency.
Owner:HUBEI UNIV

A heat pump all-in-one machine and system convenient to disassemble and assemble

ActiveCN224607877UImprove user experienceflexible shipping
The application discloses a heat pump all-in-one machine and system convenient to disassemble and assemble, relates to the technical field of heat pump hot water equipment, and comprises a whole machine frame, a water storage tank, a main machine frame which is detachably connected with the whole machine frame, and a heat pump main machine which is installed in the main machine frame. The application sets the detachable main machine frame in the whole machine frame, integrally installs the complete heat pump main machine (containing a compressor, a heat exchanger and all heat conversion components such as related pipelines) on the main machine frame, and makes the heat pump main machine and the water storage tank form a module which is relatively independent in space and structure. When the equipment needs to be overhauled, maintained or replaced, the main machine frame can be integrally drawn out together with the heat pump main machine, so that the disassembly and assembly difficulty is remarkably reduced; meanwhile, the heat pump main machine pipeline has completed pre-assembly and sealing inside the main machine frame, is connected with the water storage tank only through a small amount of water pipe interfaces, can keep the refrigerant circuit intact after being disconnected, and avoids energy efficiency loss and environmental protection risks caused by on-site discharge and re-charging of refrigerant.
Owner:ZHUHAI GRASSHOPPER TECH CO LTD

Beef cattle breeding greenhouse

The utility model relates to the technical field of beef cattle breeding greenhouses, in particular to a beef cattle breeding greenhouse. The device comprises a framework assembly, the framework assembly comprises a supporting frame, a shell assembly is arranged on the supporting frame, the supporting frame plays a role in supporting the shell assembly, a partition plate and a fixing rod are fixedly installed in the shell assembly, a bearing assembly is arranged at the bottom of the partition plate, and a conveying assembly is arranged on the bearing assembly; the conveying assembly is arranged close to the shell assembly, and a large amount of excrement generated on the bearing assembly is conveyed out by the conveying assembly. According to the device, excrement in a greenhouse can be quickly transported out through the arranged conveying assembly, firstly, a worker shovels the excrement into the conveying pipeline, the motor drives the blades to rotate, and meanwhile, the excrement moves along the conveying pipeline and is discharged from the discharging pipe, so that the workload of the worker is reduced, and the working efficiency is greatly improved.
Owner:NINGXIA XINTAIDA AGRI & ANIMAL HUSBANDRY TECH CO LTD

A cobalt-phosphorus-cobalt oxide composite electrode material and application thereof

The application discloses a cobalt-phosphorus-cobalt oxide composite electrode material and application thereof as an anode of a direct borohydride fuel cell. First, a conductive substrate is placed in an aqueous solution containing a cobalt source, ammonium fluoride and urea to perform a hydrothermal reaction; after being reduced to room temperature, the conductive substrate is repeatedly cleaned with deionized water, and then is placed in a solution containing sodium hypophosphite to perform immersion; finally, the conductive substrate is calcined at high temperature in a vacuum environment to obtain the cobalt-phosphorus-cobalt oxide loaded on the conductive substrate in situ. The electrode material preparation method provided by the application converts the original contact between a carrier gas and an electrode surface in a phosphorization process into the in-situ adhesion of a phosphorus solution on the electrode surface, realizes a uniform phosphorization process, is low in cost and easy to be industrialized, and the material can be used as an anode material of the direct borohydride fuel cell.
Owner:ZHONGBEI UNIV

Thermoelectric cement-based structure electrolyte, cement-based thermal charging capacitor and preparation method

The invention discloses a thermoelectric cement-based structure electrolyte, a cement-based thermal charging capacitor and a preparation method, the thermoelectric cement-based structure electrolyte comprises a cement matrix, and the cement matrix is formed by hardening cement paste uniformly doped with a water-soluble polymer and a two-dimensional MXene material; pores in the cement matrix are filled with an ion donor solution; the mass of the water-soluble polymer is 5-10% of that of the cement; the mass of the two-dimensional MXene material is 0.01%-0.1% of the mass of the cement. According to the invention, by doping the low-dosage water-soluble polymer and the two-dimensional MXene material into the cement paste, the pore distribution of the cement matrix is adjusted, the mechanical properties of the thermoelectric cement-based structure electrolyte are maintained and even improved, and the ternary composite system synergistically obtains a high Seebeck coefficient and ionic conductivity. According to the cement-based thermal charging capacitor, the thermoelectric cement-based structure electrolyte is used as an electrolyte layer, a double-electric-layer capacitor electricity storage electrode is compounded, and the good thermal power generation and electricity storage integration capacity is achieved under the temperature difference effect.
Owner:TONGJI UNIV

Digital exhibition stand for exhibition

The utility model relates to the technical field of digital exhibition stands, and discloses an exhibition digital exhibition stand which comprises a bottom plate, an exhibition stand body is fixedly mounted at the top of the bottom plate, connecting rods are arranged at the four corners of the top of the exhibition stand body, mounting frames are arranged between every two adjacent connecting rods, and scraping plates are fixedly mounted at the tops of the multiple mounting frames. Water receiving boxes are arranged at the tops of the multiple scraping plates correspondingly, and clamping mechanisms are arranged at the two ends of the mounting frame correspondingly. By arranging the clamping mechanism, the mounting frame can be quickly mounted and dismounted, a worker can conveniently check and maintain the exhibition stand body, when a fault occurs, the mounting frame can be quickly dismounted, internal parts can be replaced, the maintenance time is shortened, the working efficiency is improved, meanwhile, storage and transportation are facilitated, and the occupied space and the transportation cost are reduced; and by arranging the water receiving box, water stains cleaned by the cleaning sponge can be cleaned, and the situation that the service life of the cleaning sponge is shortened due to the fact that the water stains fall onto the cleaning sponge downwards is prevented.
Owner:TAIYUAN CHENGCHENG EDUCATION SERVICE CO LTD

A multifunctional rescue robot

The present invention relates to the technical field of rescue robots, specifically a multifunctional rescue robot, comprising a load-bearing plate and a dual-axis motor, wherein the left and right sides of the inner cavity of the load-bearing plate are slidably plugged with extension plates, a frame is provided at the front end of the load-bearing plate, an extension component is provided in the inner cavity of the frame, and the two ends of the extension component are respectively fixedly connected to two extension plates, and the two output ends of the dual-axis motor are both provided with adjustment components, and the sides of the two adjustment components that are away from each other are both provided with fixed plates. The multifunctional rescue robot solves the problem that the rescue robots of the prior art are large in size and weight and cannot be carried by a single soldier during actual use, and after a wounded person appears on the battlefield, the robot can only be transferred to the location of the wounded person after receiving an order to treat the wounded person, resulting in a large amount of time wasted in the process of treatment, and if the wounded person is seriously injured, the wounded person's injury will be aggravated, causing losses.
Owner:CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL HAINAN HOSPITAL

Single-ditch walking mechanical drive fresh tobacco leaf harvesting conveyor

A single-ditch walking mechanical drive fresh tobacco leaf harvesting and conveying machine relates to the technical field of tobacco field conveying devices and comprises a wheel walking base, a supporting platform is arranged on the wheel walking base in a lifting mode in the vertical direction, and the supporting platform is horizontally and rotatably installed on the wheel walking base through a reversing structure. A tobacco leaf bearing bin is slidably arranged on the supporting platform in the moving direction of the vehicle body. The utility model solves the problems that the large tobacco leaf harvesting and transporting machinery is small in application range and is not beneficial to large-area popularization in the prior art.
Owner:SHAANXI JIEJIEGAO NETWORK TECHNOLOGY CO LTD

Feeding equipment

The utility model relates to the technical field of automatic feeding, in particular to feeding equipment which comprises a feeding device and a transfer device, and the feeding device comprises a first streamline mechanism and a feeding mechanism; the first streamline mechanism is used for transporting materials; the feeding mechanism is used for positioning materials conveyed by the first streamline mechanism; a transfer device is arranged at at least one end of the two ends of the first streamline mechanism in the self-transportation direction, and the transfer device comprises a second streamline mechanism and a carrying lifting part; the second streamline mechanism comprises two second streamline assemblies, the distance between the second streamline assemblies can be adjusted, the second streamline assemblies are used for transporting materials, and a second transfer station is arranged below the second streamline assemblies; and the carrying lifting piece is arranged below the second streamline assembly, the carrying lifting piece can ascend and descend, and the carrying lifting piece is used for conveying the materials on the second streamline assembly to the second transfer station or conveying the materials on the second transfer station to the second streamline assembly. The feeding device is high in space utilization rate and high in feeding efficiency.
Owner:BOZHON PRECISION IND TECH CO LTD

Modularized mobile workshop for cultivating mites

The invention discloses a modular mobile workshop for mite culture, and relates to the technical field of mite culture engineering.The modular mobile workshop comprises a modular mobile workshop unit, the modular mobile workshop unit comprises a workshop body, and wall plates of the workshop body are constructed through heat preservation plates; the environment regulation and control unit is connected with the modularized mobile workshop unit; the high-precision environment regulation and control unit at least comprises an air conditioning system for regulating the temperature in the workshop; according to the modularized mobile workshop for cultivating mites, the temperature and humidity regulation and control fresh air handling unit and the air conditioning system are cooperatively arranged, and air supply pipelines, exhaust pipes and exhaust pipes of the temperature and humidity regulation and control fresh air handling unit and the air conditioning system are gathered in the integrated control unit in a crossed arrangement mode, so that source forced mixing and uniform distribution of temperature and humidity regulation airflow are achieved; therefore, a highly-stable and uniform temperature and humidity field is constructed in the workshop main body, an accurate and controllable optimal growth environment is provided for amblyseius steseii, and the unit culture density and population development synchronism are remarkably improved.
Owner:刘书忠

Assembled protective rack used in wind power tower drum

The utility model discloses a split mounting type protection rack used in a wind power tower drum, and belongs to the technical field of wind power tower drum pouring structures. The device comprises a cylindrical barrel formed by annularly rolling an iron sheet for a plurality of circles; a fastening bandage is wound on the outer side face of the cylinder body in the circumferential direction of the cylinder body; a stand column is arranged in the middle of an inner cavity of the barrel. A plurality of groups of supporting rods are arranged on the upright post; the supporting rod is arranged in a cantilever shape in the horizontal direction. An ejector rod is arranged at the extending end of the supporting rod; the ejector rod is arranged in the vertical direction, and one side end face of the ejector rod abuts against the inner side wall of the cylinder. According to the utility model, the problems that the cost is high and the actual use requirement is difficult to meet when a steel template or a corrugated pipe is used as a mold in a cylindrical area at present are effectively solved.
Owner:GUOTOU GUIZHOU NEW ENERGY CO LTD

Transportation device for water conservancy pile foundation

The utility model discloses a water conservancy pile foundation transportation device which comprises a vehicle body, and a fixing plate is installed at the top end of the vehicle body. A fixing mechanism is arranged at the top end of the fixing plate, and an adjusting assembly is arranged on one side of the top end of the fixing plate. Wherein the fixing mechanism comprises sliding boxes which are symmetrically and fixedly connected to the top end of the fixing plate, a two-way screw rod is rotationally connected between the sliding boxes, the outer side of the two-way screw rod is in threaded connection with a moving block, a sliding plate is installed at the top end of the moving block, and an arc-shaped plate is arranged at the top end of the sliding plate; a first rubber pad is mounted on the inner side of the arc-shaped plate, and a rotating wheel is mounted on the outer side of one end of the two-way screw rod, so that the effect of quickly fixing and limiting multiple groups of steel pipe columns can be achieved, and the steel pipe columns of various specifications can be adjusted and fixed; and therefore, the steel pipe columns can be more stable in the transportation process, and workers can conveniently transport the steel pipe columns in a small batch.
Owner:JILIN YIHANG CONSTRUCTION CO LTD

Combined wallboard mechanism for modular integrated house

ActiveCN224119795URealize staggered seam connectionavoid damageWallsHeat proofingInsulation layerWater leak
The utility model relates to a combined wallboard mechanism for a modularized integrated house, which comprises N wallboard bodies, each wallboard body comprises a wallboard shell, a wallboard framework playing a supporting role is arranged in each wallboard shell, and the wallboard shells surround all side surfaces of the wallboard framework except the top surface and the bottom surface; a space enclosed by the wallboard shell and the wallboard framework is filled with a wallboard heat preservation layer which has the functions of heat insulation, heat preservation, water prevention and the like; every two adjacent wallboard bodies in the transverse direction are detachably connected through one wallboard butt-joint plate, and the adjacent wallboard bodies and wallboard butt-joint plates are detachably connected with each other; the Ngt; = 2. The outer frame butt joint parts, the butt joint pipe bodies and the wall plate butt joint plates jointly achieve staggered joint connection between the adjacent wall plate bodies and the wall plate butt joint plates, so that different connection gaps are not aligned, and therefore air leakage or water leakage possibly caused by gap alignment is avoided, namely the waterproof and windproof performance is further improved through staggered joint connection.
Owner:GOLDEN DIANSHI (BEIJING) ARCHITECTURAL DESIGN CONSULTING SERVICE CO LTD

Multi-uav cooperative hoisting system constraint space crossing trajectory planning method and system

ActiveCN116880562BAct quicklyno collision
The present application relates to the technical field of trajectory planning of nonlinear underactuated electromechanical systems, and particularly relates to a multi-unmanned aerial vehicle cooperative hoisting system constraint space crossing trajectory planning method and system. The method comprises the following steps: based on a polyhedral volume constituted by the hoisting system and a hoisting rope tension, a hoisting system crossing formation optimization model under a constraint space is constructed to obtain an optimal formation of the hoisting system crossing the constraint space; a circumscribed sphere center and a radius under the optimal formation of the hoisting system crossing the constraint space are calculated; based on the circumscribed sphere center and the radius, a trajectory planning model of the hoisting system crossing the constraint space based on time optimization is constructed by considering dynamic constraints, driver constraints and flight path point constraints; based on the relative position relationship among the circumscribed sphere center, the unmanned aerial vehicle and the load, the trajectory planning model of the hoisting system crossing the constraint space is adopted to obtain a trajectory of the hoisting system crossing the constraint space; and under the guidance of the trajectory of the hoisting system crossing the constraint space, a load transportation task is completed.
Owner:NANKAI UNIV