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21results about How to "Realize Regulatory Control" patented technology

Groove grinding device for steel plate welding

The utility model relates to the technical field of steel structure machining, in particular to a groove grinding device for steel plate welding, which comprises a handle, a grinding wheel and a semicircular baffle disc, a driving part for driving the grinding wheel to rotate is arranged in the handle, and the semicircular baffle disc is mounted between the handle and the grinding wheel and positioned on one side, close to the handle, of the grinding wheel. A movable blocking cover is detachably installed at the opening end of the semicircular blocking disc, material blocking ripping fences are arranged on the outer contours of the movable blocking cover and the semicircular blocking disc, the end faces of the sides, close to the grinding wheel, of the material blocking ripping fences do not exceed the non-working face of the grinding wheel, and a plurality of magnets used for attracting steel scraps are arranged on the surfaces of the sides, close to the grinding wheel, of the movable blocking cover and the semicircular blocking disc. The problems that when a bevel slope of a traditional steel plate is polished before welding, a worker needs to hold an angle grinder by hand for operation, waste chips generated during polishing are likely to splash to the worker, the worker is damaged, and potential safety hazards exist are solved.
Owner:BAZHOU JULONG HEAVY IND CO LTD

PDLC (Polymer Dispersed Liquid Crystal) dimming film capable of displaying patterns in electric control manner and laser etching preparation method of PDLC dimming film

ActiveCN119644629ARealize Regulatory Controllower electricity billsNon-linear opticsLaser etchingWhitening Agents
The invention relates to a PDLC (polymer dispersed liquid crystal) dimming film capable of displaying patterns in an electric control manner and a laser etching preparation method of the PDLC dimming film. The PDLC dimming film comprises a first substrate layer, a first conductive layer, a first orientation layer, a polymer dispersed liquid crystal layer, a second orientation layer, a second conductive layer and a second substrate layer which are sequentially stacked, the first substrate layer and the first conductive layer protrude at the first side end of the PDLC dimming film to form a first protruding part, and the second substrate layer and the second conductive layer protrude at the second side end of the PDLC dimming film to form a second protruding part; the first conductive layer and the second conductive layer are correspondingly and respectively provided with at least two parting lines extending from the first side end of the PDLC dimming film to the second side end of the PDLC dimming film; the first electrode is arranged between at least two adjacent segmentation lines on the first conductive layer of the first protruding part, and the second electrode is arranged between at least two adjacent segmentation lines on the second conductive layer of the second protruding part; the first alignment layer and the second alignment layer each contain a fluorescent whitening agent. The PDLC dimming film can save electricity and improve permeability.
Owner:ZHUHAI SINGYES NEW MATERIALS TECH CO LTD

Pneumatic positioning sliding table

The utility model relates to the related field of pneumatic sliding tables, in particular to a pneumatic positioning sliding table which comprises a device body, a sliding table air cylinder, a rotating assembly and a positioning assembly are arranged in the device body, a guide groove is formed in the upper end of the sliding table air cylinder, a movable table is arranged in the guide groove in a sliding mode, and the movable table is connected with the outer end of the sliding table air cylinder. The rotating assembly is installed in the center of the movable table, the positioning assemblies are installed on the two sides of the movable table and the rotating assembly, each positioning assembly comprises a two-way screw rod, a rack rod is arranged on one side of a gear, a rotary knob is arranged at one end of each two-way screw rod, and a guide rod is arranged on one side of each two-way screw rod; in this way, clamping and positioning operation on objects on the surface of the movable table can be achieved, the device is suitable for clamping and positioning work of workpieces of different specifications, adjustment and control over the rotating angle of the workpieces can be achieved, different machining requirements can be met conveniently, and the practical capacity of the device is effectively improved.
Owner:SHANGHAI JUNHUAI ROBOT TECH CO LTD

Fry deep-sea culture net cage

The invention relates to the field of aquaculture net cages, in particular to a fry deep-sea aquaculture net cage which comprises a traction machine and a diving support, a barrel-shaped net cage is fixedly arranged at the bottom of the diving support, a cage cover is arranged at the top end of the barrel-shaped net cage, multiple sets of pull ropes are connected to the bottom of the traction machine, and balancing weights are fixedly arranged at the bottoms of the pull ropes. A plurality of positioning assemblies are arranged in the diving support, each pull rope penetrates through the corresponding positioning assembly, a driving motor is fixedly arranged at the top of the box cover, a storage bin is arranged at the bottom of the box cover, the output end of the driving motor is connected with a center shaft, and the bottom end of the center shaft is rotationally matched with the bottom in the cylindrical net cage. A sliding rail for the diving support to adjust the culture depth is formed through the pull rope, the barrel-shaped net cage can be kept stable, meanwhile, the pull rope is locked through the positioning assembly, and adjustment and control over the culture depth of the barrel-shaped net cage are achieved.
Owner:WEIHAI BAIYUN SHIP MFG CO LTD

Nitrogen flow control system

ActiveCN222593775Ueasy to controlRealize Regulatory ControlControl systemBuffer tank
The utility model provides a nitrogen flow control system which comprises a plurality of control valves, an inlet of each control valve is connected with an outlet of a nitrogen buffer tank, and outlets of all the control valves are connected to a gas outlet gathering end. Wherein the at least two control valves have different flow ranges; the different purging branches execute purging operation under different working conditions, and an air inlet of each purging branch is connected with the air outlet gathering end; the PLC is connected with the controlled end of each control valve; and the PLC controls different control valves to act so as to control the nitrogen flow of the gas outlet gathering end. According to the scheme, nitrogen flow control of various working conditions in the gasification process can be more accurately achieved, the control precision of the small-flow use working condition can be guaranteed, the continuous nitrogen use amount during normal operation of the gasification furnace can be met, the control precision of the large-flow use working condition can be guaranteed, and the purging nitrogen use amount under different shutdown working conditions can be guaranteed.
Owner:COLIN ENERGY TECH (BEIJING) CO LTD

A compressed air energy storage system with an air storage tank heat recovery system and a control method thereof

The present invention discloses a compressed air energy storage system with an air storage tank heat recovery system and a control method thereof, including a compressed air storage tank, a cold storage tank and a heat storage tank, wherein the cold storage tank outlet is connected to the temperature drop control valve inlet, the heat storage tank outlet is connected to the temperature rise control valve inlet, the temperature drop control valve outlet intersects with the temperature rise control valve outlet, and is connected to the heat exchanger inlet of the compressed air storage tank, and the heat exchanger outlet of the compressed air storage tank is divided into two paths, one path is connected to the high-temperature outlet valve inlet, and the high-temperature outlet valve outlet is connected to the heat storage tank inlet; the other path is connected to the low-temperature outlet valve inlet, and the low-temperature outlet valve outlet is connected to the cold storage tank inlet. The present invention effectively improves the energy storage capacity of the compressed air energy storage in the compressed air energy storage stage; and effectively improves the work-doing capacity of the compressed air energy storage in the energy release stage, thereby improving the electric-to-electric conversion efficiency of the compressed air energy storage as a whole.
Owner:GUIZHOU POWER GRID CO LTD +1

Intelligent dust removal industrial dust collector with barrel cover provided with interactive screen

ActiveCN222341094Ueasy programmingRealize Regulatory ControlSuction cleanersProcess engineeringHeat shield
The utility model discloses an intelligent dust-cleaning industrial dust collector with an interactive screen on a barrel cover, which comprises a movable main frame, and a collecting mechanism, a separating mechanism and a filtering mechanism are arranged at the front end of the movable main frame; a dust collection barrel cover is installed at the upper end of the filtering mechanism, and a display screen facilitating man-machine interaction is arranged on the dust collection barrel cover. The display screen is electrically connected with a PLC arranged in the dust collection barrel cover. By arranging the display screen facilitating man-machine interaction, programming can be conveniently conducted on the PLC, then adjustment and control over all relays and motors are achieved, and then the dust collector can intelligently work according to programmed instructions; temperature isolation is carried out on the fan and the motor through the heat insulation plate, the use safety of the control assembly is effectively protected, high-temperature damage is avoided, meanwhile, intelligent and efficient dust removal of the dust collector can be achieved, frequent manual operation can be avoided, the service life of the dust collector is prolonged, and the labor intensity of workers is relieved.
Owner:SHANDONG YINGMA ENVIRONMENTAL PROTECTION TECH CO LTD

External torque adjustable angular displacement sensor

The present invention discloses an external torque-adjustable angular displacement sensor, wherein the inner end of a rotating shaft passes through a through hole at the front end of a housing from the outside to the inside, and an adjusting nut and an elastic washer which are sequentially mounted on the rotating shaft from the front to the back are both placed outside the front end of the housing, and the adjusting nut is connected to the rotating shaft by a thread, and the outer peripheral edge of the elastic washer and the central hole wall are not in the same plane and form a front end and a rear end respectively, and the front end of the elastic washer contacts the rear end surface of the adjusting nut, and the rear end of the elastic washer contacts the vertical outer wall surface of the front end of the housing. The present invention installs an elastic washer and an adjusting nut on the rotating shaft, and uses the adjusting nut to push the elastic washer to move backward to compress it or move forward to stretch it, thereby changing the friction force at the front and rear ends of the elastic washer, thereby changing the resistance to the rotation of the rotating shaft, and realizing the adjustment and control of the rotation torque (including the starting torque) of the angular displacement sensor, and is suitable for application occasions where there is a need to adjust and control the rotation torque.
Owner:CHENGDU HONGMING ELECTRONICS CO LTD

Energy-saving air inlet adjusting device

The utility model discloses an energy-saving air inlet adjusting device, and relates to the technical field of air compressors. The air inlet device comprises an air inlet frame and an adjusting assembly arranged in the air inlet frame. The air inlet frame comprises an outer frame, a mounting ring integrally arranged in the middle of the peripheral side of the outer frame, and a separation net fixed to the air inlet face of the outer frame. The adjusting assembly comprises a mounting base arranged in the middle of the interior of the outer frame, a fluted disc movably arranged in the mounting base, a gear connected with the fluted disc in a meshed mode, a shaft piece fixed to the fixed gear and adjusting fan blades fixed to the outer portion of the shaft piece. The air inlet amount of the air compressor is adjusted by setting the angle change of the adjusting fan blades in the adjusting assembly relative to the outer frame, in the adjusting process, a single pool fluted disc drives a plurality of gears to rotate, and due to the use of a linkage structure of the pool fluted disc, the maximum utilization of motor driving energy is achieved, small energy is provided, and the service life of the air compressor is prolonged. The air inlet structure is adjusted and controlled, and the purpose of saving energy is achieved.
Owner:CHANGZHOU OUKAI MACHINERY CO LTD

Five-degree-of-freedom hybrid magnetic bearing, motor and control method thereof

The application provides a five-degree-of-freedom hybrid magnetic suspension bearing, a motor and a control method thereof. The magnetic suspension bearing comprises an axial stator core, front and rear radial stator cores, first and second permanent magnet rings respectively arranged between the radial stator cores and the end portions of the axial stator core, the axial stator core comprises an axial stator yoke portion and first and second axial stator rings arranged on the axial stator yoke portion and extending in the radial direction of the axial stator yoke portion, the first and second axial stator rings are opposite to each other and a first annular space is formed between the first and second axial stator rings, the edge region of a rotating shaft thrust disc is located in the first annular space, and only a group of axial control coils is arranged in the first annular space. The application can realize adjustment and control of the axial position of the rotating shaft thrust disc by controlling only the group of axial control coils, the control logic is simpler, the length of the corresponding rotating shaft can be shortened, and the rotating speed of the rotating shaft is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

A tunnel shotcrete rebound recovery device

This invention discloses a tunnel shotcrete rebound recovery device, which includes a transport vehicle equipped with a collection device for collecting rebounded concrete, a mixing device for thoroughly mixing the collected concrete, and a compensation device for compensating the mixed concrete with slurry. The collection device includes a collection funnel with two aggregate plates inclined to both sides, and a storage bin at the bottom of the collection funnel. The mixing device includes a mixing drum driven by a drive motor, with an inlet and an outlet at both ends of the mixing drum. A conveying mechanism is provided between the storage bin and the inlet to transport a fixed amount of concrete from the storage bin to the mixing drum. A discharge funnel is located below the outlet, and a pump is located below the discharge funnel, with a conveying pipe at the outlet end of the pump. This solution enables automated recovery and utilization of rebounded concrete, avoiding resource waste.
Owner:CCCC INFRASTRUCTURE MAINTENANCE GRP ENG CO LTD

A bolt loading and unloading device based on magnetic adsorption and its use method

The invention discloses a bolt loading and unloading device based on magnetic adsorption and a method of using the same, comprising an upper cover, a plurality of magnetic bases and a plurality of fastening bases; the plurality of magnetic bases and the plurality of fastening bases are spaced apart and sequentially spliced ​​to form an annular base; the annular base is sleeved on the outer side of the nut of the bolt to be loaded and unloaded; each magnetic base is provided with a magnetic mechanism, and the magnetic mechanism is connected to the working surface of the bolt to be loaded and unloaded by magnetic force; each fastening base is provided with a fastening mechanism, and the fastening mechanism is arranged along the radial direction of the annular base; the output end of the fastening mechanism is arranged toward the center of the annular base, and is used to fix the nut of the bolt to be loaded and unloaded; the upper cover is rotatably arranged on the annular base, and the upper cover can rotate around its axis; one side of the upper cover is an exposed surface, and the other side is connected to the input end of the fastening mechanism; the invention fixes the device through magnetic adsorption, thereby avoiding the device from falling or slipping; the device has a simple structure and is easy to operate, and effectively improves the efficiency of bolt loading and unloading.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Industrial wastewater purifying and recycling device

The invention discloses an industrial wastewater purification and cyclic utilization device, and belongs to the technical field of sewage treatment.The industrial wastewater purification and cyclic utilization device comprises a treatment box, the bottom of a dosing barrel is fixedly connected with a dosing main pipe, the two sides of the dosing main pipe communicate with dosing branch pipes, and the bottoms of the dosing branch pipes are rotationally connected with a pesticide spraying assembly; the adjusting assembly comprises a telescopic check block and a push block, the telescopic check block is slidably inserted into the inner bottom of the main dosing pipe, the sliding assembly can drive the dosing barrel, the rotating rod and the telescopic check block to linearly move, and the rotating rod can drive the medicine spraying disc to rotate through cooperation with the bottom of the treatment box. According to the device, wide-range, multi-angle and uniform pesticide spraying operation can be conducted on sewage, automatic opening and closing of pesticide liquid are achieved, the pesticide discharging amount is adjusted and controlled, the pesticide liquid feeding accuracy is improved, use is flexible, and the device is suitable for popularization and application. The industrial wastewater purification efficiency is effectively improved.
Owner:BAICAO BANGNONG BIOTECHNOLOGY (QINGDAO) CO LTD

Novel high-pressure constant flow pump

ActiveCN222650147URealize Regulatory ControlConsistent trafficMachines/enginesPump controlControl roomControl valves
The utility model relates to the technical field of high-pressure constant-flow pumps, in particular to a novel high-pressure constant-flow pump which comprises a high-pressure constant-flow pump fluid inlet channel and a high-pressure constant-flow pump fluid output channel, a control chamber is arranged above a communicating body of the high-pressure constant-flow pump fluid inlet channel and the high-pressure constant-flow pump fluid output channel in a communicating mode, and sliding ways are arranged on the two sides of the control chamber. A sealing bottom plate is arranged between the control chamber and a communicating body of the high-pressure constant-flow pump fluid inlet channel and the high-pressure constant-flow pump fluid output channel, a mounting plate is arranged above one side of the sealing bottom plate and fixedly connected with the control chamber, and a flow monitor is installed at the position of the high-pressure constant-flow pump fluid output channel. According to the high-pressure constant-flow pump, the fluid channel of the high-pressure constant-flow pump is improved, the control chamber and the flow monitor are additionally arranged, the flow control valve is driven to ascend and descend in a real-time flow monitoring mode, adjustment and control over the flow are achieved in a fluid partial cut-off mode, and the actual flow tends to be consistent with the standard flow.
Owner:WUHAN HENGXIN CENTURY TECH CO LTD

Deacidification reaction tower with adjustable moving blade structure

The utility model relates to the technical field of chemical processing, and discloses a deacidification reaction tower with an adjustable moving blade structure, which comprises a tank body, the top of the tank body is provided with a tank cover, the bottom of the inner wall of the tank cover is fixedly connected with a connecting pipe, the bottom of the inner wall of the connecting pipe is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a motor, and the top of the motor is fixedly connected with a movable blade. An output shaft of the motor is rotatably connected with a driving shaft, the top of the driving shaft is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a plurality of connecting columns, the outer walls of the connecting columns are rotatably connected with fan blades, and the outer wall of the rotating shaft is slidably connected with a movable pipe. In the deacidification reaction process, the gas inlet pipe is connected, gas enters the tank body through the gas inlet pipe, the feeding pipe is communicated, deacidification reactants are added into the feeding pipe, the reactants start to act after entering the annular pipe of the tank body, and the reactants are uniformly sprayed into the tank body through the spray head at the bottom of the annular pipe.
Owner:CANGNAN YUCANGWEIMING ENVIRONMENTAL PROTECTION ENERGY CO LTD

A cutting fixture and method

ActiveCN117260486Bavoid accidental injuryThere will be no problem of cutting angle shaking
This invention discloses a cutting fixture and method applied to the removal of compressor moving blades in a gas turbine. The cutting fixture includes: a support module positioned on the compressor disc, the support module having a hollow groove suitable for the compressor moving blade to pass through, with a gap between the hollow groove and the compressor moving blade; a guide module disposed on the support module, suitable for moving axially along the compressor disc; and a cutting module disposed on the guide module, having a cutting end positioned directly above the gap during cutting, suitable for axial cutting along the compressor disc via the guide module. The support module of this invention positions the cutting module, eliminating the need for operators to hold an angle grinder. The guide module provides linear guidance for the cutting module, ensuring that the cutting groove cuts linearly along the compressor disc axis, preventing the cutting angle from wobbling due to unstable handling and avoiding accidental damage to the compressor disc.
Owner:XIAN THERMAL POWER RES INST CO LTD

Electronic expansion valve throttle mechanism and electronic expansion valve

This invention relates to the field of refrigerant flow control technology, and in particular to an electronic expansion valve throttling mechanism and an electronic expansion valve. The electronic expansion valve throttling mechanism includes a valve needle and a valve seat. The valve needle is mounted on the valve seat and has a moving path along the valve seat axis. The valve needle includes a first valve needle segment and a second valve needle segment from top to bottom, with the interface between the first and second valve needle segments forming a first cross-section. The valve seat includes a first valve seat segment and a second valve seat segment, with the interface between the first and second valve seat segments forming a second cross-section. The top of the first valve seat segment forms a first end face, and the bottom of the second valve seat segment forms a second end face. The first end face is provided with a first throttling outlet, and the second end face is provided with a second throttling outlet. A refrigerant inlet hole is provided on the side of the second valve seat segment. The present invention provides a single electronic expansion valve that can achieve throttling control of both large and small flow rates, and it has a simple structure, high modularity, and low cost.
Owner:TAIZHOU UNION TRADING CO LTD

Built-in torque adjustable angular displacement sensor

The present invention discloses a built-in torque-adjustable angular displacement sensor, wherein the inner end of a horizontal rotating shaft passes through a through hole at the front end of a shell from the outside to the inside and is connected to a collector ring assembly, and an elastic washer and an adjusting nut which are sequentially mounted on the rotating shaft from the front to the back are both placed in the inner cavity of the shell and between the front inner wall of the shell and the collector ring assembly, and the adjusting nut is connected to the rotating shaft by a thread, and the front end of the elastic washer contacts the vertical inner wall surface at the front end of the shell, and the rear end of the elastic washer contacts the front end surface of the adjusting nut. The present invention installs an elastic washer and an adjusting nut on the rotating shaft, and uses the adjusting nut to push the elastic washer forward to compress it or backward to stretch it, thereby changing the friction force at the front and rear ends of the elastic washer, thereby changing the resistance to the rotation of the rotating shaft, and realizing the adjustment and control of the rotation torque (including the starting torque) of the angular displacement sensor, and is suitable for application occasions where there is a need to adjust and control the rotation torque.
Owner:CHENGDU HONGMING ELECTRONICS CO LTD

Compressor air intake cooling system and compressed air energy storage system

The application provides a compressor air intake cooling system and compressed air energy storage system, and belongs to the technical field of compressed air energy storage. The compressor air intake cooling system comprises a compressor, a double-fluid nozzle integrated component, a gas supply path and a liquid supply path. The compressor has an air inlet and an air outlet. The double-fluid nozzle integrated component is installed on the air inlet, and the outlet of the double-fluid nozzle integrated component is communicated with the air inlet. One end of the gas supply path is connected with the gas channel of the double-fluid nozzle integrated component, and the other end is connected with the air outlet. One end of the liquid supply path is connected with the liquid channel of the double-fluid nozzle integrated component, and the other end is connected with a cooling liquid storage device. The double-fluid nozzle integrated component is used to provide a lower pressure without high temperature, so that a high gas-liquid flow rate difference can be realized, liquid fine atomization can be realized, the lower pressure can effectively reduce the nozzle wear rate, the maintainability can be improved, the installation requirements of the pipeline and equipment can be reduced, and the reliability and safety of the system can be improved.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Rapid forming device for brush carrier

The utility model relates to the technical field of brush carrier production, and discloses a brush carrier rapid forming device which comprises a base, a vertical plate and a top plate. The top of the base is connected with a limiting frame plate through supporting columns, a brush carrier mold B is sleeved with the limiting frame plate, a pressing opening is formed in the brush carrier mold B, pressing holes are formed in the corners of the outer side of the pressing opening, a supporting block is arranged at the position, located between the supporting columns, of the top of the base, and the two ends of the top of the supporting block are connected with connecting plates through supporting springs. A linkage column is welded to the top of the connection plate, and a pushing plate is arranged at the top of the linkage column. Waste materials in the material pressing opening and the material pressing hole can be automatically ejected out, the phenomenon of material blocking after traditional punch forming is avoided, the displacement of the brush carrier mold A driven by the electric cylinder is conveniently detected through the displacement sensor, and therefore specific parameters can be conveniently set through the electric cylinder controller, adjustment and control over the output stroke of the electric cylinder are achieved, and the punching precision is improved.
Owner:WENZHOU FANGZHUANG MOTOR ACCESSORIES CO LTD