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65results about How to "Achieve maintenance" patented technology

Automatic water inlet and outlet device of circulating water culture system

ActiveCN224402653URealize drainage startAchieve maintenanceSewageDrainage tubes
The utility model discloses an automatic water inlet and outlet device of circulating water aquaculture system relates to aquaculture technical field, including siphon drain pipe, with curved pipe section, the inlet end of siphon drain pipe is connected to the aquaculture pond, and the export end extends to the sewage bin, water level indicating pipe has the vertical pipe section with the intercommunication of aquaculture pond, and the top of vertical pipe section is communicated with atmosphere, makes its inside water level and aquaculture pond real -time synchronization, air pipe, one end intercommunication curved pipe section's top, the other end inserts the top of vertical pipe section, is used for controlling the start -stop of siphon drainage, wherein, the depth of air pipe insertion vertical pipe section is adjustable, is used for controlling the flow of siphon drainage. The utility model discloses a siphon drain pipe with curved pipe section is set up, utilizes siphon physical effect to realize zero -energy -consumption's drainage start and maintain, through setting up the air pipe of intercommunication curved pipe section top and inserting vertical pipe section, completes pure physical formula drainage start -stop control, and the need of artificial intervention is eliminated.
Owner:GUANGXI ACADEMY OF FISHERY SCI +1

Quick repair joint for urban water supply pipeline with self-adaption to different pipe diameters

The utility model relates to the technical field of pipeline accessories, and disclose a kind of urban water supply pipeline fast repair joint of self-adapting different pipe diameter, left half ring and right half ring are away from the one end of hinged axle and hinge by bolt and nut detachable installation, the inside of right half ring is embedded with connecting pipe, the outside one end of connecting pipe is connected with external connection pipe, the inside movable mounting of external connection pipe has ball core body, the inside of ball core body is provided with through-hole, the top and bottom of ball core body are all fixedly installed with axle rod, the end of axle rod is fixedly installed with turntable, the outer wall of external connection pipe and located the outside of axle rod is provided with locking assembly. When two rubber pads are folded, the inner arc surface of both is elliptical, because the inner arc surface of rubber pad is larger, the inside of rubber pad is provided with deformation hole, so that the folding of left half ring and right half ring can be well applied to different outer diameter pipes.
Owner:HUIZHOU DAYA BAY AREA URBAN IND CITY INVESTMENT OPERATION MANAGEMENT CO LTD

Prefabricated 3D printed box-type concrete retaining wall and retaining wall system

This invention relates to a prefabricated 3D-printed box-type concrete retaining wall and retaining wall system. The prefabricated 3D-printed box-type concrete retaining wall is assembled from 3D-printed concrete retaining wall units. Each 3D-printed concrete retaining wall unit is an integrated 3D-printed concrete structure, consisting of an arched outer wall panel, a concave inner wall panel, and concave side wall panels, which enclose a cavity. A transverse keyway is formed between the concave side wall panels of adjacent 3D-printed concrete box-type retaining wall units. Shear keys are formed by casting cement-based material within the transverse keyway, enabling the combined load-bearing capacity of the 3D-printed concrete retaining wall units. Under the same loading conditions, the peak bearing capacity of the structure of this invention is significantly improved compared to traditional vertical box-type retaining walls, and the bearing performance is further enhanced under simulated backfill conditions, demonstrating good engineering applicability and green construction value.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

Pulse rinsing cleaning device for landscape bridge steel structure

The present application relates to the field of bridge maintenance, and discloses a landscape bridge steel structure pulse cleaning device, which comprises a supporting seat, a main flow pipe, a push flow assembly, a driving assembly, a reset assembly and a cleaning assembly. The supporting seat is fixedly connected with the main flow pipe, and the push flow assembly is slidably arranged in the main flow pipe. The driving assembly is arranged on the supporting seat and used for driving the push flow assembly to move to compress the reset assembly to accumulate potential energy. The reset assembly releases the potential energy to drive the push flow assembly to quickly reset, extrude the liquid in the main flow pipe to generate a pulse water flow. The cleaning assembly is arranged at both ends of the main flow pipe and used for switching the fluid discharge path and opening the cleaning port. The present application uses pulse jet to improve the stripping efficiency of rust on the surface of the steel structure. The internal pipeline is self-cleaned through the cleaning assembly, so that the mixed corrosion of the chemicals is avoided. The negative pressure generated by the push flow assembly can suck and recycle the accumulated water in the gap, prevent secondary rust, and solve the problem that the secondary rust is caused by the residual accumulated water after the cleaning of the complex steel structure surface.
Owner:CCCC LANDSCAPE SHANDONG CO

A drip device capable of adjusting a filling nozzle

ActiveCN224646676UMeet delivery needsRealize stepless adjustment
The utility model relates to filling device technical field discloses a kind of liquid dripping device capable of adjusting filling nozzle, including rack, the bottom of the rack is fixedly connected with base, the top of the rack is provided with adjusting mechanism, the adjusting mechanism is used to adjust the caliber of canning nozzle to optimize drop, the top left side of the base is provided with blowing mechanism, the blowing mechanism is used to airflow auxiliary liquid, the top rear side of the base is provided with cleaning mechanism, the left side of the adjusting mechanism is provided with infusion mechanism, the adjusting mechanism includes sealing ring, the outer wall of the sealing ring is fixedly connected in the top inside of base, the inner wall of the sealing ring is slidably connected with valve core. In the utility model, when the size of liquid outlet needs to be adjusted, it is not necessary to stop machine and replace spare parts, the valve core changes the filling port inner diameter of valve seat by moving, adjusts liquid flow rate to meet the delivery demand, effectively realizes stepless regulation.
Owner:SUZHOU IND PARK TIANLONG PHARMACY CO LTD

A ship-mounted lifting rope winding device for a flexible water body ecological wave-breaking enclosure

ActiveCN224617914Uavoid breakingAvoid slack wraps
The utility model relates to water body ecological management equipment technical field especially, more particularly to a kind of shipborne lifting rope winding device used in cooperation with flexible water body ecological wave-damping enclosure, including flexible water body ecological wave-damping enclosure, workboat and lifting rope winding mechanism;Lifting rope winding mechanism is installed on the deck of workboat, and lifting rope winding mechanism can be separately detached;Lifting rope is cooperatively provided on flexible water body ecological wave-damping enclosure, and flexible water body ecological wave-damping enclosure is driven connection by lifting rope and lifting rope winding mechanism, for the realization of the storage and release of lifting rope to adjust the underwater deployment state of flexible water body ecological wave-damping enclosure;The utility model provides the accurate adjustment and efficient storage and release support of underwater deployment state for flexible water body ecological wave-damping enclosure, helps to improve the automation level and operation stability of water body ecological management, and is applicable to the quick deployment and adjustment of flexible enclosure system in river, lake, reservoir and other natural or artificial water body.
Owner:YANGZHOU LANGTAO QING ENVIRONMENTAL PROTECTION TECH CO LTD

Tennis ball can pressurizing cap

PendingCN122585543Areduce wearreduce fatigue
The application provides a tennis ball tank pressurizing cover, belonging to the technical field of tennis equipment storage. The tennis ball tank pressurizing cover comprises a shell assembly, a pressurizing assembly, a pressure relief assembly and a tank mouth adapter. The shell assembly is used for accommodating internal components and connecting with the tennis ball tank. The pressurizing assembly is installed inside the shell assembly and is used for unidirectionally pumping external gas into the internal space of the tennis ball tank and blocking the reverse flow of the gas after stopping working. The pressure relief assembly is installed on the shell assembly and is used for controllably releasing the internal gas pressure of the tennis ball tank. The tank mouth adapter is an annular component independent of the shell assembly and is detachably fixed to the tank mouth flange of the tennis ball tank. When locked with the shell assembly, the tank mouth adapter converts the screwing torque into axial thrust to force the tank mouth flange and the bottom end seal of the shell assembly to be pressed tightly to form an end face seal. The application uses a commercial tennis ball tank as a pressure-bearing container to realize the controllable adjustment and maintenance of the gas pressure in the tank while reducing the cost of the device.
Owner:SUZHOU RUIQIN CREATIVE DESIGN CO LTD

Electric energy meter with electricity larceny prevention function

ActiveCN224609178UWill not leave easilyincrease brightness
The application discloses an electric energy meter with electricity larceny prevention function and belongs to the electric energy meter field, which comprises a shell, a protective door is rotatably installed on the outer side of the shell, an installation strip is installed on the inner side of the protective door, a jack is formed in the top of the installation strip, a control main body is installed in the shell, a camera and a lighting lamp are respectively installed on the inner wall of the shell, a frame is installed on the inner wall of the shell, one end of a return spring is fixedly connected to the inner top of the frame, and the other end of the return spring is fixedly connected to a driving plate; the pull rod is inserted into the inner wall of the jack, the protective door is further stably positioned on the outer wall of the shell, the protective door cannot be easily separated from the shell, electricity larceny cannot be randomly carried out by prying open, the face of the lawbreaker can be photographed and recorded by cooperating with the camera, subsequent tracing is facilitated, and the lighting lamp can improve brightness and guarantee the definition of shooting.
Owner:QINGDAO SHIZE ELECTRONIC METER CO LTD

A long-term experimental platform and detection method for in situ nucleic acid detection in deep-sea microorganisms.

ActiveCN120290303Beasy to collectSolve the problem of in-situ concentration collection that cannot be quantifiedBioreactor/fermenter combinationsBiological substance pretreatments
This invention relates to the field of deep-sea microbial nucleic acid detection technology, specifically a long-term experimental platform and detection method for in-situ nucleic acid detection of deep-sea microorganisms. In this invention, a tangential flow filtration and concentration method is used to concentrate water samples via a filtration sampling module to obtain concentrated microbial samples. The samples are then transferred under reduced pressure to a lysis and purification module for cell lysis. The lysed samples are injected into a chromatography column, where impurities are filtered out while DNA is retained. The samples are then rinsed with elution buffer to obtain a high-purity DNA sample. A pipette tip is attached to the elution pipette, and the high-purity DNA sample is mixed with an enzyme solution and added to an amplification and detection module for reaction. Fluorescently labeled genes are amplified, and an amplification curve is obtained using a fluorescence detector. Changes in the amplification curve are used to detect in-situ nucleic acids of deep-sea microorganisms. The filtration sampling module incorporates an automatic cleaning component, and the lysis purification module uses a sampling, cleaning, and lysis chamber switching mechanism to prevent cross-contamination from multiple in-situ deep-sea detections.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY CHINESE ACAD OF SCI

Ecological coordinated prevention and treatment method for landslide geological disasters

PendingCN122610537AImplement dynamic assessmentAchieve maintenance
The present application relates to the technical field of geological disaster prevention, in particular to a landslide geological disaster ecological collaborative prevention method, landslide survey is carried out on a landslide prevention area, a landslide ecological collaborative prevention engineering system is constructed according to the exploration result, an intelligent monitoring management system is constructed and operated to prevent and treat the landslide area, and the ecology of the landslide area is repaired to achieve the ecological collaborative prevention goal of the landslide. The present application realizes the organic integration of landslide prevention and ecological restoration, and improves the ecology, durability and comprehensive benefits of the prevention engineering.
Owner:YUNNAN GEOLOGICAL ENGINEERING SECOND SURVEY INSTITUTE CO LTD

Valve head structure of filter core type pre-filter convenient to disassemble and wash and pre-filter

The utility model relates to a valve head structure of filter core type prefilter convenient to disassemble and wash and prefilter, including valve shell, the valve shell is equipped with water inlet channel, water outlet channel, the filter bottle assembly port of going down and valve shell cavity: be equipped with flow channel switching spare in the valve shell cavity, flow channel switching spare will valve shell cavity divide into water inlet channel valve shell cavity and water outlet channel valve shell cavity, water inlet channel valve shell cavity is linked together with water inlet channel, water outlet channel valve shell cavity is linked together with water outlet channel, flow channel switching spare still is equipped with assembly cavity, can detachably assemble knob, the knob can detachably assemble filter core. Adopting disposable integration filter core type filter mechanism, through the filter core of regular replacement, realize the maintenance of prefilter. The utility model structure is more optimal, and the replacement is convenient.
Owner:HAINING BEISHI ENVIRONMENTAL PROTECTION SCI & TECH CO LTD

Wedge-shaped jacking mechanism

ActiveCN224063293UJacking implementationAchieve jackingLifting framesBridge erection/assemblyArchitectural engineeringJackscrew
The utility model discloses a wedge-shaped jacking mechanism, which comprises a jacking base, a lifting jack, an unloading jack, a wedge-shaped jacking mechanism and a wedge-shaped jacking mechanism, and is characterized in that a jacking jack and an unloading jack are horizontally arranged on the jacking base; the wedge-shaped block group comprises a lower wedge-shaped block and an upper wedge-shaped block, the lower wedge-shaped block and the upper wedge-shaped block are oppositely arranged up and down, and the opposite end surfaces of the lower wedge-shaped block and the upper wedge-shaped block are inclined surfaces with the same slope; the movable end of the jacking jack and the movable end of the unloading jack are both connected with the lower wedge-shaped block and used for driving the lower wedge-shaped block to horizontally slide along the jacking base, and then the upper wedge-shaped block is driven to move up and down in the vertical direction relative to the jacking base. According to the bridge support, jacking operation can be carried out in a small space, jacking of a large structure can be achieved through small jacking force, and therefore maintenance and replacement of the bridge support are achieved.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD +1

Low-noise pump cover

The utility model relates to the technical field of pump covers, in particular to a low-noise pump cover which comprises a pump cover body and a sound insulation plate, a sound insulation lantern ring is arranged on the side, close to the pump cover body, of the sound insulation plate, a round installation opening is formed in one side of the pump cover body, a round positioning groove is formed in one side of the interior of the round installation opening, and a positioning column is arranged on one side of the sound insulation lantern ring. A first threaded hole is formed in the position, close to the top of the mounting round opening, of one side of the pump cover body, a third threaded hole is formed in the position, located at the first threaded hole, of the surface of the sound insulation plate, and first bolts are connected into the first threaded hole and the third threaded hole; a mounting groove is formed in the position, close to the top of the mounting round opening, of one side of the pump cover body, a mounting block is arranged on the outer surface of the side, close to the pump cover body, of the sound insulation plate, an adsorption plate is arranged in the sound insulation plate, and a protective net and mute cotton are arranged on the two sides of the adsorption plate correspondingly; through the cooperation of the structure, the purpose of rapidly replacing the sound insulation plate is achieved.
Owner:青岛鑫润顺机电科技有限公司

Method and system for maintaining orbit of low-orbit satellite under GNSS (Global Navigation Satellite System) denial

The invention discloses a low-orbit satellite orbit maintenance method and system under GNSS denial, and the method comprises the following steps: S1, enabling a satellite to enter a nominal orbit, collecting the atmospheric density data of the satellite in real time through an atmospheric density sensor, and calculating the windward side flight resistance of the satellite and the side flight resistance of the satellite according to aerodynamics; s2, reasonably selecting the thruster ignition time of the satellite according to the service working period of the satellite; s3, the resistance impulse is calculated according to the flight resistance of the satellite, and the working duration and the working thrust required by the thruster are calculated according to the resistance impulse of the satellite; and S4, realizing stable flight of the satellite in a low orbit through closed-loop feedback control of the satellite. The problem that the satellite autonomously completes orbit attenuation compensation without depending on an external navigation means is achieved, and the survivability of the satellite in a low orbit is enhanced.
Owner:NO 63921 UNIT OF PLA

Liquid cooling assembly and energy storage device

ActiveCN224188419UEffective compensation positionEffective compensation displacementSecondary cellsPipe elementsThermodynamicsProcess engineering
The utility model relates to a liquid cooling assembly and an energy storage device. The liquid cooling assembly comprises a liquid cooling pipeline and a liquid supplementing pipeline; the liquid cooling pipeline comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline is provided with a first port, the first port is used for being connected with one container module, the second pipeline is provided with a second port, and the second port is used for being connected with the other container module; the third pipeline is arranged between the first pipeline and the second pipeline and communicated with the first pipeline and the second pipeline, the third pipeline comprises a main body section and a telescopic section, and the telescopic section is arranged at at least one end of the main body section; the liquid supplementing pipeline communicates with the liquid cooling pipeline and is used for guiding the liquid cooling medium to flow into or out of the liquid cooling pipeline. According to the liquid cooling assembly provided by the invention, the third pipeline is provided with the telescopic section, so that the position deviation and displacement during installation of the container module can be effectively compensated, the first pipeline or the second pipeline has enough movement allowance, and the sealing performance and reliability of the liquid cooling assembly and the container module are improved.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Battery pack and electric device

The application discloses a battery pack and an electric device. The battery pack comprises a box body, a first cross beam, a plurality of single batteries and an electrical module. The box body has a containing cavity. The first cross beam is arranged in the containing cavity and connected with the box body. The first cross beam divides the box body into a first space and a second space in a first direction. The plurality of single batteries are arranged in the first space. The electrical module is arranged in the second space. A first bottom plate is connected with part of the box body and the first cross beam, and covers an opening of the first space in a second direction. A second bottom plate is connected with part of the box body and the first cross beam, and covers an opening of the second space in the second direction. The electrical module has an interface for electrical connection, and the interface is arranged towards the second bottom plate in the second direction. The first bottom plate and the second bottom plate can be separately disassembled when the battery pack is maintained, and the maintenance of the electrical module and the single batteries can be respectively realized. Since the interface of the electrical module is towards the second bottom plate, the electrical module is inverted and locked in the box body, and the convenience of maintenance is improved.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD

Connecting base and underground carry-scraper steering device

ActiveCN224259496Uachieve direct connectionSimplify maintenance proceduresSoil-shifting machines/dredgersSteering wheelControl theory
The connecting base comprises a first connecting assembly and a second connecting assembly, and the first connecting assembly is provided with a mounting disc used for mounting a bearing assembly; the second connecting assembly is arranged in parallel with the first connecting assembly in the axial direction in a spaced mode and provided with an installation hole used for installing a steering pump. The steering device of the carry-scraper comprises a connecting base on the first side, a bearing assembly and a rotating shaft, and the bearing assembly is installed on a first connecting assembly; the rotating shaft is arranged in the connecting seat and penetrates through two ends of the connecting seat to be respectively connected with the steering wheel and the steering pump. The bearing assembly and the steering pump do not have a direct relation, when the bearing assembly is maintained, the bearing assembly is directly detached from the first connecting assembly without detaching the connection between the connecting base and the steering pump, the maintenance of the bearing assembly can be achieved, the maintenance procedure of the steering device is greatly simplified, and the maintenance efficiency is improved. And workers can maintain the steering device conveniently.
Owner:JIANGXI XINTONG MASCH MFG CO LTD

Fault battery pack replacement method, air conditioning system, energy storage system and storage medium

According to the fault battery pack replacement method, the air conditioning system, the energy storage system and the storage medium, the method is applied to the air conditioning system, the air conditioning system is used for heating or cooling a battery pack, the air conditioning system comprises a controller and a throttling valve, the battery pack comprises a battery cold plate, the battery cold plate is provided with a heat exchange pipeline, and the heat exchange pipeline is communicated with the controller. The heat exchange pipeline comprises an input port and an output port, an exhaust port of the air conditioning system is connected with the input port, an air return port of the air conditioning system is connected with the output port of the battery cold plate, and the throttle valve is arranged between the exhaust port and the input port. The opening degree of the throttling valve is adjusted to be 0, so that a refrigerant in the heat exchange pipeline flows to the air return opening; and under the condition that the pressure of the air return port is lower than the preset pressure, the air conditioning system is controlled to stop running, so that the fault battery pack is replaced. The fault maintenance efficiency of the energy storage system can be improved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Condensation shell, condensation heat exchange device and gas water heating equipment

The utility model belongs to the technical field of heat exchange, and particularly discloses a condensation shell, a condensation heat exchange device and gas water heating equipment. The condensation shell comprises an atomization shell, a smoke exhaust shell, a condensation heat exchange shell and a flow guide part, the upper end of the atomization shell and the lower end of the smoke exhaust cavity are arranged at intervals to form a communication gap, the communication gap communicates with the condensation cavity, the flow guide part comprises an annular mounting part and a flow guide plate part connected to the upper end of the mounting part, and a first clamping structure is arranged on the mounting part; the atomization shell is provided with a second clamping structure, the installation part is installed at the upper end of the atomization shell, the first clamping structure is connected with the second clamping structure in a clamped mode, and the flow guide plate part inclines towards the center of the flow guide piece from top to bottom. The condensation heat exchange device comprises an atomizer and the condensation shell, the atomizer is installed in the atomization shell, and a mist outlet of the atomizer faces the flow guide part. According to the utility model, the processing difficulty of the condensing shell can be reduced, and the arrangement, maintenance and replacement convenience of the flow guide piece is improved.
Owner:GUANGDONG VANWARD NEW ELECTRIC CO LTD

A notebook computer with a detachable keyboard

ActiveCN224480681Uavoid risk of lossRealize integrated managementSoftware engineeringElectric machinery
The utility model discloses a detachable keyboard's notebook computer relates to notebook computer technical field, include: the computer that is internally equipped with keyboard cavity, keyboard mechanism, be located in the keyboard cavity. This detachable keyboard's notebook computer, through the use of keyboard mechanism, can synchronous dismount keycap, and, the magnetic force ring board of embedding keyboard frame in with every keycap bottom's metal ring form magnetic attraction connection, make at the time of lifting keyboard frame, all keycap can be synchronized, neatly and together take out, greatly simplify the dismounting process, avoided the risk of losing the scattered parts, realized the integration management and maintenance of keyboard module, this detachable keyboard's notebook computer, through the use of positioning mechanism, can by an angle adjusting motor drive, through the linkage system that the synchronous sprocket, chain and cable constitute, can accurate control the synchronous rotation of multiple positioning rods at the four corners of keyboard cavity, thereby simultaneously release or lock the keyboard frame.
Owner:SHENZHEN INET TECH

A basin waste disposal device

This utility model discloses a basin garbage disposal device, including a basin and a floor drain. A conveying assembly is installed at the bottom of the floor drain. The conveying assembly includes a pipe bolted to the bottom of the floor drain, with auger blades installed inside the pipe. One end of the auger blades is keyed to a motor. A connecting pipe is installed on the outer wall of the pipe, and a storage assembly is installed at one end of the connecting pipe. The storage assembly includes a storage box welded to the connecting pipe, a latch plate on one side of the storage box, a handle on one side of the latch plate, and an electric telescopic rod on one side of the storage box. A push plate is fixedly connected to the telescopic end of the electric telescopic rod. This utility model allows garbage from the floor drain to be conveyed to the storage assembly via the conveying assembly. The electric telescopic rod drives the push plate to compress the garbage, reducing its volume. Water is pumped into the connecting pipe and sprayed out through a filter pipe. The sprayed water powerfully backwashes the auger blades and the inside of the pipe.
Owner:ZHEJIANG YUSHI KITCHENWARE MFG CO LTD

A working stand for repairing construction engineering machinery

ActiveCN224601596UAchieve maintenanceImplement coating process maintenance
The utility model discloses a kind of working stands for construction engineering machinery maintenance, including horizontal adjustment support, longitudinal adjustment support rod, the two sides of horizontal adjustment support are symmetrically provided with longitudinal adjustment support rod, the top two sides of longitudinal adjustment support rod are installed support frame one by bolt, the top of support frame one is set as arc clamping seat one, the upper portion of arc clamping seat one is set as arc clamping seat two, arc clamping seat one and arc clamping seat two are detachably installed by side ear, the two sides of arc clamping seat one are symmetrically set as screw hole one, screw hole one is screw-mounted as adjusting bolt one, realize to the clamping plate one, clamping plate two adhere to clamping shaft, make clamping more stable;Realize to coating process maintenance, welding and shaft body strain and crack and other maintenance;Realize the height adjustment of maintenance frame, adapt to shaft maintenance height requirement.Form to the sliding position of adjusting rod two fixed, realize the longitudinal height adjustment of maintenance support.
Owner:XUZHOU MINGXI MECHANICAL EQUIP CO LTD

A monitoring device for industrial internet

The application discloses an industrial internet monitoring device, which comprises a base, a fixed rod is fixedly arranged on the upper end face of the base, a supporting rod is arranged on the upper end face of the fixed rod, a movable rod is arranged above the supporting rod, a screw rod is rotatably arranged on the upper end face of the supporting rod and is screwed with the movable rod, the supporting rod is further provided with a stabilizing mechanism matched with the movable rod, an installation block is fixedly arranged on the end of the movable rod, a supporting ring is arranged above the base, the installation block and the supporting ring are connected through a plurality of connecting rods, an installation frame is arranged at the bottom of the installation block, a monitoring device is arranged in the installation frame through an angle mechanism, and a bottom groove is arranged on the bottom wall of the installation block. Through the arrangement of the movable rod, the screw rod and the stabilizing rod and other components, the height of the movable rod relative to the supporting rod and other components can be quickly adjusted by the screw rod, the maintenance, replacement and other operations of the monitoring device in the installation frame can be conveniently realized, and the overall use convenience of the device is ensured.
Owner:IND INTERNET INNOVATION CENT (SHANGHAI) CO LTD

A highly integrated modular inverter brick

This invention discloses a highly integrated modular inverter brick, comprising a water-cooled plate and multiple components. The water-cooled plate has multiple connection structures, and each component is connected to one of these connection structures. The components include a thin-film capacitor positioned below the water-cooled plate, an IGBT module positioned above the water-cooled plate, a drive unit PCBA, and a chip protection card. The chip protection card is mounted on the drive unit PCBA, and the assembled unit is fixed to the IGBT module and the water-cooled plate. A water channel is provided at the end of the water-cooled plate that is in contact with the IGBT module. Compared to traditional solutions, this highly integrated modular inverter brick achieves lightweighting, high efficiency, and cost control, while improving system efficiency and performance. Furthermore, high integration reduces costs, the number of parts, and assembly time, improving production efficiency and quality. Moreover, in case of internal component damage, repairs can be performed without sequentially disassembling upper-level components.
Owner:JEE AUTOMATION EQUIP SHANGHAI CO LTD

Quantitative proportioning device for production of composite mineral admixture

The utility model provides a quantitative proportioning device for producing a composite mineral admixture. The quantitative proportioning device for producing the composite mineral admixture comprises a box body, wherein the bottom of the box body is fixedly communicated with a discharge pipe; the storage box is arranged on one side of the box body, a plurality of partition plates are arranged in the storage box, and the storage box is divided into a plurality of storage cavities used for storing different raw materials by the partition plates; the automatic feeding mechanism is arranged on the box body and is used for pumping various raw materials into the box body in proportion; and the mixing mechanism is arranged on the box body and is used for mixing and stirring the raw materials. The quantitative proportioning device for production of the composite mineral admixture has the advantages that automatic feeding and mixing stirring of raw materials are achieved, production efficiency is improved, manual operation is reduced, labor intensity is lowered, and meanwhile proportioning errors caused by human factors are reduced.
Owner:PUER XUNCHUANG WASTE RESOURCES COMPREHENSIVE UTILIZATION CO LTD

Perception-decision-execution cloud platform for intelligent operation and maintenance of hydropower engineering starting and stopping equipment

The invention provides a perception-decision-execution cloud platform for intelligent operation and maintenance of hydropower engineering starting and stopping equipment. The perception-decision-execution cloud platform integrates perception, decision and execution functions. A perception module collects operation state data of a hydraulic starting and stopping machine; the decision module performs analysis based on the data and generates a control instruction; the execution module drives the hoist to act according to the instruction, and closed-loop intelligent control is achieved. Intelligent operation and maintenance of hydropower engineering starting and stopping equipment can be achieved, the operation efficiency, safety and reliability of the equipment are improved, and the operation and maintenance cost is reduced.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

Multi-size hole site laser cutting method and system based on dynamic focus adjustment

The invention discloses a multi-size hole site laser cutting system and method based on dynamic focus adjustment, and belongs to the technical field of machining. The system comprises an analysis and planning module used for receiving a digital processing drawing, analyzing geometric features of hole sites, establishing radius-thickness ratio parameters according to aperture and plate thickness, constructing a multi-hole-site processing sequence in combination with a heat accumulation index of a workpiece surface, and generating a corresponding focus offset initial quantity at the same time; the dynamic focusing laser execution module is used for realizing dynamic adjustment of a laser focus in the optical axis direction through a movable zoom lens group arranged in an internal light path of the laser processing head; the monitoring module is used for collecting photoelectric signals generated in the laser machining process and relative distance signals between a laser machining head and the surface of a workpiece and transmitting the signals to the control module. And the control module is used for dynamically controlling the focus position and the laser output power based on the monitoring signal, so that the laser focus is adaptively adjusted between the perforation stage and the contour cutting stage.
Owner:HUNAN HUALING INTELLIGENT STEEL STRUCTURE CO LTD

An aircraft maintenance ladder and method

This invention discloses an aircraft maintenance ladder and method, including a walking ladder assembly. The walking ladder assembly includes a base frame, with a step fixedly connected to the upper side of the base frame; a lifting assembly is fixedly connected to the step, and the lifting assembly is threadedly connected to an adjusting assembly, which is fixedly connected to two sets of maintenance components; each maintenance component includes an L-plate, which has a first adjusting groove and a second adjusting groove; a first motor is fixedly connected to the L-plate, and the output shaft of the first motor passes through the L-plate and is fixedly connected to a first screw; the first screw is threadedly connected to a protruding plate, which is nested within the first adjusting groove. This invention relates to the field of aircraft maintenance technology, specifically to an aircraft maintenance ladder and method. The technical problem this invention aims to solve is to provide an aircraft maintenance ladder and method that facilitates the maintenance of the aircraft's vertical tail.
Owner:CIVIL AVIATION UNIV OF CHINA