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36results about How to "Ensure safe work" patented technology

Path planning method, device and equipment based on multi-target unmanned aerial vehicle, and storage medium

The invention discloses a path planning method, device and equipment based on a multi-target unmanned aerial vehicle, and a storage medium, and the method comprises the steps: collecting the geographic information data of an inspection region, building a planning path database according to the collected data, and carrying out the preprocessing and optimization of the data; solving an unmanned aerial vehicle path planning model based on a particle swarm algorithm according to maneuvering characteristics, safety constraint conditions and routing inspection target priorities of unmanned aerial vehicle flight; unconventional obstacles are detected in real time based on an unmanned aerial vehicle visual system, and local safety adjustment of a path is achieved; and the updated path is synchronously sent to a remote client, and path evaluation and manual intervention are carried out. According to the method, the flight duration, the path smoothness and the path effectiveness are comprehensively considered, the method can adapt to complex environments and inspection requirements, the particle swarm optimization and the binocular distance measurement technology are comprehensively applied, the intelligence and the real-time performance of path planning are improved, the flight risk is reduced, and the safe work of the inspection requirements of the unmanned aerial vehicle is guaranteed.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO XUZHOU POWER SUPPLY CO +1

Dynamic current sharing method and system for silicon carbide power module

The invention discloses a silicon carbide power module dynamic current sharing method and system, and the method comprises the steps: setting a basic layout of a multi-chip parallel silicon carbide power module, and extracting circuit parasitic parameters; setting working conditions of the silicon carbide power module, and setting bus voltage, load current and power chip switching speed; setting the maximum allowable voltage overshoot, and limiting the total capacitance value of the distributed decoupling capacitor bank according to the voltage overshoot; and according to the equivalent impedance of the parallel branches at the set switching speed after the distributed decoupling capacitor bank is added, the capacitance value of the distributed decoupling capacitor is adjusted, so that the equivalent impedance of each branch is the same. By integrating the distributed decoupling capacitors, the problem of non-uniform current distribution in the traditional parallel connection technology is solved, and the method has important theoretical and practical significance for improving the performance of a power electronic system.
Owner:XI AN JIAOTONG UNIV

Intelligent control system of three-dimensional light source lamp

The invention provides an intelligent control system of a three-dimensional light source lamp, and belongs to the technical field of three-dimensional light source control. The intelligent control system comprises a three-dimensional light source lamp, a plurality of temperature sensors and an intelligent control device. The three-dimensional light source lamp comprises a plurality of lamp panels and a cooling device, the cooling device comprises a plurality of heat conduction faces, and at least one lamp panel is correspondingly arranged on each heat conduction face. The plurality of temperature sensors are respectively arranged on each heat conduction surface and are used for detecting the temperature of each heat conduction surface. The temperature of the heat conduction surface can be used for representing heat generated by light emission of each lamp panel arranged on the heat conduction surface. The intelligent control device can control and adjust heat dissipation parameters of the corresponding heat conduction faces according to heat generated by light emitting of the lamp panels on the heat conduction faces so as to dissipate heat of the lamp panels on the corresponding heat conduction faces. And the temperature of each lamp panel is controlled in a partitioned manner, so that the safe work of each lamp panel can be ensured, and part of lamp panels are prevented from being damaged due to too high temperature.
Owner:GODOX PHOTO EQUIPMENT CO LTD

Flexible automatic device for assembling roller tooth holder of bolter miner

The invention relates to the technical field of bolter miner roller tooth holder assembly and repair, and discloses a bolter miner roller tooth holder assembly flexible automation device which comprises a supporting base, the supporting base is of a cuboid frame structure, a servo motor is installed in the supporting base, a coupler is installed on the upper portion of the servo motor, and a three-jaw chuck is installed on the upper portion of the coupler; a roller body is installed on the upper portion of the three-jaw chuck, and a metal stair is installed on the front side face of the supporting base. A transfer robot picks up a roller tooth holder and installs the roller tooth holder on a roller body, a binocular vision sensor monitors the relative position of the roller tooth holder and the roller body in real time to ensure the assembly precision, a triaxial pressure sensor monitors the assembly pressure in real time to ensure uniform stress, and a left monitor, a right monitor and an anti-collision inductive sensor monitor the working state in real time to ensure safe production. Data are automatically transmitted, efficiency is high, stability is high, the device is adaptive to installation of roller tooth holders of different models, and flexible automatic production is achieved.
Owner:CHINA SHENHUA ENERGY CO LTD SHENDONG COAL BRANCH

Wireless kinetic energy switch

The utility model discloses a wireless kinetic energy switch, which comprises a switch seat and at least one key board, the key board is arranged on the switch seat, a wireless main control board, a transmission mechanism and an elastic return mechanism are arranged in the switch seat, and a power generation module is integrated on the wireless main control board; the transmission mechanism is respectively connected with the keyboard plate and the swinging piece of the power generation module; the elastic return mechanism is connected with the transmission mechanism in a matched mode and used for driving the transmission mechanism to return. When the key board is pressed, the key board drives the transmission mechanism to overcome the elastic acting force of the elastic return mechanism to move in the direction opposite to the elastic acting force and drive the swing part to move, so that the wireless main control board works. According to the utility model, a wireless self-discharge mode is adopted to realize wireless control on and off of external equipment, the use experience of a user can be improved, the use cost of the user can be reduced, the structure is simple, and environmental protection is realized.
Owner:GUANGDONG SUNFLY ELECTRONICS HLDG CO LTD

Protection device for rear-view camera of mining dump truck

The rear-view camera protection device comprises a protection shell, a fixing disc, a base and a buzzer, the protection shell is of a hollow structure, a plurality of positioning seats are arranged on the edge of the outer side of an opening in the lower portion of the protection shell, and positioning holes are formed in the positioning seats; the fixing disc is located below the opening of the protective shell. The base is located below the dustproof ring. An annular edge is arranged on the outer side edge of the fixed disc, a plurality of connecting seats are arranged on the outer side edge of the annular edge, and connecting through holes are formed in the connecting seats; connecting bolts are arranged in the connecting through holes and the positioning holes in a penetrating manner; the fixed disc is provided with a fixed disc through hole and heat dissipation holes, and an annular cathode copper sheet is arranged on the inner side of the annular edge; a base through hole is formed in the middle of the base, a base blind hole is formed in the outer side of the base, a base groove is formed in the edge of the outer side of the base, the annular positive electrode copper sheet is installed in the base groove, and the buzzer is installed in the base blind hole. The rear-view camera can be protected to work safely, and the service life of the rear-view camera is prolonged.
Owner:INNER MONGOLIA NORTH HAULER

Support frame of gas burner

The utility model discloses a support frame of a gas burner, which comprises a base (1), a support tube (2) is fixedly arranged on the base (1), a height adjusting component is rotatably mounted at the upper end of the support tube (2), a lifting screw (3) is in inserted and sliding connection with the support tube (2), and the lifting screw (3) is in threaded connection with the height adjusting component. And a gas burner tray assembly is fixedly arranged at the top end of the lifting screw rod (3). The gas burner can be effectively supported, the stress condition of the connecting flange of the gas burner is improved, and the stress of the connecting bolt is reduced.
Owner:CHINA TOBACCO HENAN IND CO LTD

Overload adjustment method and device and storage medium

The invention is suitable for the technical field of power adapters, and provides an overload adjustment method and device and a storage medium, and the overload adjustment method comprises the steps: obtaining the real-time temperature information of a power adapter; obtaining first working state information of the power adapter according to the real-time temperature information; if the first working state information meets a preset overload detection standard, acquiring real-time current information of each port; acquiring second working state information of each port according to the real-time current information of each port; if the second working state information of the port meets the preset overload adjustment standard, obtaining the maximum current information of the overload port and the rated current information of the overload port; and adjusting the current information of the overload port according to the maximum current information of the overload port, the rated current information of the overload port and a preset first overload adjustment formula. According to the scheme, the resource utilization efficiency of the multi-port power adapter can be improved, the resource distribution is optimized, and the safety and the stability of the power adapter are ensured.
Owner:SHENZHEN LONGXC POWER SUPPLY CO LTD

Cantilever damping structure of high-voltage switch

The utility model belongs to the technical field of high-voltage switch damping, and relates to a cantilever damping structure of a high-voltage switch, which comprises a cantilever fixing flange, a connecting rod and a suspension object, the cantilever fixing flange is sleeved on an inner conductor of the high-voltage switch, a mounting hole is prefabricated on the cantilever fixing flange, one end of the connecting rod extends into the mounting hole, and the other end of the connecting rod extends into the suspension object. The other end is connected with the hanger; and an elastic damping structure is mounted in the mounting hole. According to the basic scheme, a connecting rod and a cantilever fixing flange are connected through an elastic damping structure, and the elastic damping structure is used for damping and protecting a cantilever structure. The cantilever damping structure of the high-voltage switch can ensure that the high-voltage switch with the cantilever damping structure can work safely in a high-voltage environment.
Owner:XIAN XD SWITCHGEAR ELECTIC CO LTD +1

A linear voltage regulator circuit based on NMOS adjusting tube

The application discloses a linear voltage stabilizing circuit based on NMOS regulating tube, comprising a bias voltage generating circuit, a voltage division feedback circuit, an oscillator circuit, a charge pump circuit and a pre-voltage stabilizing circuit, wherein the bias voltage is generated through the bias voltage generating circuit; the output voltage is divided to obtain a feedback voltage through the voltage division feedback circuit; the feedback voltage is amplified and then input to the oscillator circuit to generate an oscillation signal; the generated oscillation signal is input to the charge pump circuit; the gate voltage of the NMOS regulating tube is adjusted through the charge pump circuit, so as to obtain the output voltage; the pre-voltage stabilizing circuit widens the input voltage range, so that the linear voltage stabilizing circuit can work in a high input voltage environment; the linear voltage stabilizing circuit based on the NMOS regulating tube has the characteristics of wide input range and low voltage difference, fast transient response speed, and is fully compatible with the thin gate oxide process.
Owner:WUXI TUORUI MICROELECTRONICS CO LTD

Cable descending guide frame for electric spark source micro-logging

The utility model discloses a cable well descending guide frame for electric spark source micro-logging. The cable well descending guide frame comprises a fixed support and a rubber belt wheel rotationally connected to the fixed support. The fixing support comprises a base, a first supporting column and a second supporting column, wherein the first supporting column and the second supporting column are oppositely and fixedly arranged on the base. A through hole with the size larger than that of a well hole is formed in the base. A cable limiting groove is formed in the middle of the peripheral face of the rubber belt wheel in the circumferential direction. The electric spark probe is suitable for being used in electric spark source micro-logging construction, the problem of poor data quality caused by drifting of the electric spark probe can be effectively solved, the electric shock safety risk in the construction process can be eliminated, and the labor intensity of workers can be relieved.
Owner:CHINA NAT PETROLEUM CORP +1

Hoisting structure for disassembling and assembling discharging device of extruder

The utility model discloses a hoisting structure for dismounting and mounting a discharging device of an extruder, which belongs to the field of double-screw extruders and comprises a hoisting mechanism mounted at the tail end of a double-screw extruder body and used for hoisting the discharging device, and the hoisting mechanism comprises a supporting seat mounted on the side wall of the tail end of the double-screw extruder body. A supporting rod is installed on the supporting base, the supporting rod is rotationally sleeved with a suspension arm, a suspension rod used for suspending a discharging device is movably installed at the end, away from the supporting rod, of the suspension arm, and the discharging device is pushed to enable the suspension rod to push the suspension arm to rotate, so that the suspension arm drives the supporting rod to rotate on the supporting base. Therefore, the discharger can move to one side of the double-screw extruder body and can also move to the tail of the double-screw extruder body, disassembly and butt joint are convenient, and time and labor are saved.
Owner:SHANGHAI RUIHONG PRECISION PARTS CO LTD

Motor control method, system, motor and electric vehicle

The present invention discloses a motor control method, system, motor and electric vehicle, and the method steps include: establishing different operating conditions, initially assigning values ​​to the control parameters of the motor, detecting the operating state of the motor system in real time, obtaining motor operating state information, dynamically adjusting the drive parameters and switch parameters, reducing or increasing the coolant flow, and controlling the motor to switch between different operating conditions. The present invention is based on the study of the efficiency improvement method of the motor system, is not limited to the calibration of specific operating conditions, reduces the power consumption of the electric vehicle, reduces the loss of the whole vehicle system and improves the efficiency of the motor compared with the prior art. The present invention can classify the operating points according to the real-time operating conditions of the whole vehicle, the motor speed, the motor torque, and the current coolant temperature flow, and dynamically and adaptively adjust the control frequency and drive parameters according to the classification characteristics.
Owner:CHINA FAW CO LTD

Constant current charging system and linear charging chip

The embodiment of the invention provides a constant-current charging system and a linear charging chip. The constant-current charging system comprises a charging circuit, a clamping module, a constant-current control module, a temperature control module and a reference voltage adjusting module, and the charging circuit provides charging current for a battery through a first transistor by using input voltage; the clamping module converts the first current and / or the second current into a control voltage, clamps the control voltage to a first reference voltage during charging, and outputs a control electrode voltage of the first transistor; the constant current control module is used for outputting a first current according to a feedback signal representing the charging current and a second reference voltage; the temperature control module is used for outputting a second current according to the junction temperature indication signal and a third reference voltage; and the reference voltage adjusting module is configured to adjust the voltage value of the second reference voltage according to the second current. The problems that in the prior art, when the junction temperature rises, the charging current cannot be decreased in time, the chip further heats, and safe work of the chip is affected are solved.
Owner:SG MICRO CORP

Sealing cover of mortar mixing tank

The utility model discloses a mortar mixing tank sealing cover which comprises a cover body, the lower portion of the cover body is connected with a plug body, the cover body and the plug body are provided with communicated pressure relief channels, the side edge of the cover body is provided with a standby pressure relief channel, one end of the standby pressure relief channel is communicated with the pressure relief channels, and the other end of the standby pressure relief channel is communicated with a movement cavity channel. And the moving cavity channel is communicated with the threaded connecting hole, a sealing assembly is installed in the moving cavity channel, a jacking screw is installed in the threaded connecting hole, and the jacking screw can jack up the sealing assembly to seal the standby pressure relief channel. According to the sealing cover, the standby pressure relief channel communicated with the original pressure relief channel is formed in one side of the original pressure relief channel, sealing of the standby pressure relief channel can be achieved through cooperation of the jacking screw and the sealing assembly, it is guaranteed that the pressure intensity in the mortar mixing tank is stable, and when a pressure relief valve on the sealing cover cannot work, pressure can be relieved in time through the standby pressure relief channel; the normal and safe work of the mortar mixing tank is ensured.
Owner:SHANGHAI YUANHONG ULTRA HIGH PRESSURE WATERJET TECH CO LTD

Intelligent control device for single-phase grounding line selection

The invention discloses a single-phase grounding line selection intelligent control device, and particularly relates to the technical field of electric power, the single-phase grounding line selection intelligent control device comprises a grounding box and a line selection control device installed at the top of the grounding box, a first grounding ring and a second grounding ring are installed at the top and the bottom in the grounding box through supports respectively, and a plurality of grounding electrodes are arranged at the bottom of the grounding box in a circular array mode. Multi-point control grounding of the first grounding ring and the second grounding ring is completed through the multi-point grounding mechanism, the grounding action can be freely started and stopped according to working requirements, meanwhile, in the grounding action of the multi-point grounding mechanism, the cleaning assembly is driven in a rotating mode to complete the cleaning action, and then the grounding assembly is operated to complete grounding; the control difficulty is reduced, meanwhile, preparatory work before grounding can be completed, stable contact between the second grounding ring and the grounding assembly is ensured, closed protection can be completed on the conductive head through the protection mechanism, and the problem that the conductive head is interfered by the external environment is avoided.
Owner:ANHUI HAIZESEN ELECTRIC CO LTD

An assembly structure of a non-adjustable stator blade of a medium-pressure compressor in an aero-engine

ActiveCN118049402Bensure safe workreduce leakage
The application belongs to the technical field of the design of non-adjustable stator blades of a middle pressure compressor of an aero-engine, and particularly relates to an assembly structure of non-adjustable stator blades of a middle pressure compressor of an aero-engine, wherein a sealing and damping sheet is arranged in a lower edge plate mounting groove on the outer side of each arc segment of an inner ring of a stator, the gap between each non-adjustable stator blade segment and the arc segment is plugged by using a first-end and last-end insertion mode, so that the inward leakage of airflow can be reduced, the aerodynamic loss is reduced, and the relative bending between the two side edges of each sealing and damping sheet is V-shaped, the two side edges are in a pre-tightening form and are attached to the inner side of the lower edge plate of the non-adjustable stator blade segment and the outer side of the arc segment, so that the damping and vibration isolation capacity is good, the violent vibration can be avoided, and the safe operation of the compressor is ensured.
Owner:AECC SHENYANG ENGINE RES INST

High-speed wire packing machine with safety measures

The utility model discloses a high-speed wire packing machine with safety measures, which comprises personal safety measures, and the personal safety measures comprise a safety fence and two sections of safety optical gratings. A safety fence is arranged on the periphery of the whole packing machine, a section of safety grating is arranged at each of an inlet and an outlet where the C-shaped hook drives the coil to enter and exit the packing machine, and the safety fence and the safety gratings are matched to form a closed space. According to the high-speed wire packaging machine, personal safety measures are arranged around the high-speed wire packaging machine, so that personnel are prevented from entering the high-speed wire packaging machine by mistake while the C-shaped hook drives a coil to enter and exit from the high-speed wire packaging machine, and safety accidents are avoided. Meanwhile, by setting equipment safety measures, when the C-shaped hook deviates from the center, packaging operation is not carried out, and if the C-shaped hook inclines up, down, front and back in the packaging process, the packaging procedure is paused, and an alarm is given to inform manual processing.
Owner:ANHUI SHENTAI INTELLIGENT EQUIP CO LTD

Shutter control method, system and device

The invention discloses a louver control method, system and device, after motion data of louver blades in a current control period is obtained, whether the motion data is larger than preset vibration data or not is judged firstly, so that whether the louver blades vibrate or not is determined, and if the louver blades vibrate, the louver blades are controlled to be in a closed state. If the louver vibrates, the blade opening degree of the louver is adjusted based on the motion data of the n control periods and the current blade opening degree of the louver, the step of obtaining the motion data is executed again after adjustment, and if the louver does not vibrate, the current blade opening degree of the louver is kept. It can be seen that whether the shutter blades vibrate or not is judged on the basis of the movement data of the shutter blades, so that when the shutter blades vibrate, the blade opening degree of the shutter is adjusted till the shutter blades stop vibrating, it is avoided that the shutter blades fall off due to vibration, and safe work of equipment where the shutter is located is guaranteed.
Owner:JIANGSU SHUANGLIANG PARKING SYST CO LTD +1

Module structure for cooling square battery pack and preventing thermal runaway propagation

The invention discloses a module structure for cooling a square battery pack and preventing thermal runaway propagation, comprising: a plurality of square batteries arranged side by side to form a battery pack; the heat dissipation assemblies are placed between every two adjacent square batteries and comprise heat insulation materials and heat dissipation fins distributed on the two sides of the heat insulation materials, a plurality of low-melting-point alloys are distributed in the heat insulation materials, the two ends of the low-melting-point alloys are attached to the heat dissipation fins, and the heat dissipation fins are attached to the square batteries; and the cooling separator is used for supporting and placing the battery pack and the heat dissipation assembly, cooling liquid is distributed in the cooling separator, and the heat dissipation fins penetrate through the outer surface of the cooling separator to be in contact with the cooling liquid. According to the invention, heat dissipation can be carried out through the heat dissipation fins in contact with the square battery, heat conduction can be carried out on the heat dissipation fins in contact with the low-melting-point alloy through the low-melting-point alloy, so that the heat dissipation capability is improved, and the low-melting-point alloy can be molten when the temperature of the battery is too high, so that the low-melting-point alloy is out of contact with the heat dissipation fins on two sides; and propagation of thermal runaway behaviors is prevented.
Owner:HEFEI UNIV OF TECH

Single-tube DESAT protection circuit

The utility model discloses a single-tube DESAT protection circuit. The single-tube DESAT protection circuit comprises an optocoupler U2, resistors R2 to R12, capacitors C2 to C8, diodes D2 to D4, triodes T2 to T3 and an IGBT transistor T4, the PWM wave is input to the optocoupler U2 through a resistor R2 and a resistor R3; a pin 5 of the optocoupler U2 is connected with a base electrode of the triode T2 and a base electrode of the triode T3 through a resistor R5; a diode D2 is connected in series with a resistor R8 and then is respectively connected in parallel with a resistor R9, a resistor R10 and a resistor R11, and the other end of the diode D2 is connected with a grid electrode of an IGBT transistor T4; one end of a resistor R12, a capacitor C8 and a diode D4 which are connected in parallel is connected with a grid electrode of the IGBT transistor T4, and the other end of the resistor R12, the capacitor C8 and the diode D4 is connected with an emitting electrode of the IGBT transistor T4 and is connected with a VEUH power supply terminal; and a grid electrode of the IGBT transistor T4 is connected with a VCC18VUH power supply terminal through a diode D6. The single-tube DESAT protection circuit provided by the utility model has the advantages that reliable and effective short-circuit detection protection is realized at lower cost, the safe operation of the IGBT driving module is ensured, and the like.
Owner:HEFEI JUYI POWER SYST CO LTD

Multi-strategy intelligent load management device and method

ActiveCN119482445Aensure safe workEnsure continuity of power supplyAc network voltage adjustmentTransformerControl engineering
The invention provides a multi-strategy intelligent load management device, which is based on two transformers and comprises a main control module, a sub-control module, a section switch module and an interconnection switch module, the main control module is in communication connection with the sub-control module, the interconnection switch module is connected with the main control module, and the section switch module is connected with the sub-control module. The main control module is in communication connection with the sub-control module through a Can bus, the main control module receives voltage and current values and switch states sent by the sub-control module and sends a control command to the sub-control module, and the sub-control module sends the command to a corresponding section switch. According to the invention, three-level loads of two sections of buses can be unloaded twice under the condition that the inlet wire I and the inlet wire II run separately. And when a single incoming line is provided with two sections of buses, three-level loads of the two sections of buses can be managed in a unified manner, and unloading is carried out twice.
Owner:SCHNEIDER WINGOAL TIANJIN ELECTRIC EQUIP

Ship navigation performance testing device

The utility model discloses a ship navigation performance testing device which comprises a shipborne voyage data recorder, a protection assembly is installed on the outer side of the shipborne voyage data recorder, the protection assembly comprises an outer box and an inner box, a heat conduction assembly is installed on the inner box, the heat conduction assembly comprises silicone grease and cooling fins, and the cooling fins are installed on the outer box. The ship sailing performance testing device comprises an outer box and an inner box, the inner side of the outer box is provided with a heat dissipation assembly, the heat dissipation assembly comprises an air duct and a fan, the inner box is provided with a temperature measurement assembly, and the temperature measurement assembly comprises a sleeve and a piston, the ship sailing performance testing device can conduct heat dissipation work on a ship-borne voyage data recorder, the working temperature of the ship-borne voyage data recorder is reduced, and the working efficiency of the ship-borne voyage data recorder is improved. And if the temperature on the inner box continues to rise, the button II turns on the alarm so as to prompt personnel to carry out inspection work, so that the safety of a cabin and the shipborne voyage data recorder is effectively guaranteed, and the ship voyage performance testing device is suitable for performance testing of ship voyage.
Owner:WUHAN LIHANG TEST MEASUREMENT & CONTROL TECHNOLOGY CO LTD

Flexible anti-falling guide rail

A flexible anti-falling guide rail comprises a linear rail, the two ends of the linear rail are fixedly installed on a structure, a plurality of connecting bases are installed on the structure at intervals in the direction of the linear rail, each connecting base is provided with an anti-swing ring assembly, and each anti-swing ring assembly structurally comprises a connecting piece installed on the corresponding connecting base in a hinged mode; a first anti-swing ring and a second anti-swing ring which are sleeved outside the linear track are installed on the connecting piece in a spaced mode, the anti-swing ring assembly swings around the axis of the hinged portion to change the position of the linear track in the first anti-swing ring and the second anti-swing ring, and a locking structure used for fixing the posture of the anti-swing ring assembly is further arranged on the connecting base. And the postures of the multiple anti-swing ring assemblies are consistent to limit the swing of the linear track. When the linear track is not in the center of the anti-swing ring, the position relation between the anti-swing ring and the linear track can be changed without directly pushing the linear track with force by a worker, so that the falling protector can pass through the anti-swing ring and the notch position of the anti-swing ring, the workload is reduced, the safe work of the worker is guaranteed, and the working efficiency is improved.
Owner:STATE GRID WUWEI POWER SUPPLY CO

Automatic feeding and pressing rivet nut in-mold riveting equipment

The invention relates to the technical field of nuts, and discloses automatic feeding and rivet nut in-mold riveting equipment which comprises a workbench, a supporting frame is fixedly connected to the back of the workbench, two vibration discs are installed at the top of the supporting frame, and a driving assembly is installed at the top of the supporting frame. According to the automatic feeding device, the vibration disc is arranged, the vibration disc is started, the vibration disc automatically conveys nuts into the feeding rail through vibration, the nuts are moved into the guide groove, automatic feeding is achieved, the adjusting air cylinder is arranged, after the nuts are moved into the guide groove, the adjusting air cylinder is started, the adjusting air cylinder drives the moving plate to move towards the back, and therefore the nuts can be automatically fed. When the nut is conveyed, the clamping groove is communicated with the guide groove, the vibration disc continues to convey the nut at the moment, the nut enters the guide groove, the adjusting air cylinder is reset, the clamping groove and the guide groove are staggered, meanwhile, the clamping groove is communicated with the discharging opening, the nut falls on the containing plate and is limited and controlled by the limiting rod, and transferring of the nut is achieved.
Owner:DONGGUAN JIASHENGKANG ELECTRONIC TECH CO LTD

Damping structure for helicopter

The utility model relates to the technical field of helicopter rotors, in particular to a damping structure for a helicopter, which comprises a connecting shaft, a damping bearing and a swing identification structure, the damping bearing is used for reducing vibration in the operation process of the helicopter, and the swing identification structure is used for identifying the centrifugal force of blades on the connecting shaft. The damping bearing comprises a shell, damping blades, a damping body and an inner shaft sleeve, the inner shaft sleeve is used for containing a rotating shaft of the blades, the rotating shaft is rotationally connected with the inner shaft sleeve, and the damping blades are concentrically and evenly distributed along the axis of the inner shaft sleeve. The problem that an existing shimmy damping structure for the helicopter is complex and not easy to maintain or replace is effectively solved. The damping bearing composed of the shell, the damping blade, the damping body, the inner shaft sleeve and the limiting ring is adopted, deflection generated by the blade can be swung under the action of the damping body and the damping blade, and vibration generated by the blade can be absorbed by the damping body in the swinging process.
Owner:SAIYUE TECHNOLOGY (ZHUHAI) CO LTD

Intelligent management and control system for maintenance of thermal power plant unit

PendingCN119444176ARealize electronic managementreduce usageOffice automationRelational databaseData acquisition
An intelligent management and control system for unit maintenance of a thermal power plant comprises a front-end user interface, a rear-end server, a database and a data acquisition interface, the front-end user interface provides abundant interaction functions and visual display, and supports access of various devices; the back-end server is deployed on a cloud server or a local server and is responsible for processing a front-end user request, executing an intelligent algorithm and storing and managing data; the database adopts a relational database or a non-relational database and is used for storing related data of maintenance tasks, documents, materials and personnel; and the data acquisition interface provides interfaces with the material management system, the personnel management system, the monitoring management system and the decision analysis system to realize data sharing and collaboration. Through intelligent maintenance task planning and document management, automatic planning of maintenance tasks and electronic management and rapid approval of documents are realized, manual intervention and use of paper documents are reduced, task planning and approval periods are greatly shortened, and working efficiency and accuracy are improved.
Owner:浙江浙能温州发电有限公司

Development of multifunctional portable split anti-falling climber

The invention discloses development of a multifunctional portable split anti-falling climber, and relates to the technical field of climbers, a main body component comprises a climbing assembly, a folding assembly and a pedal assembly, and the climbing assembly and the pedal assembly are connected through the folding assembly; the climbing assembly comprises a holding pole, an anti-skid gasket and a connecting rod, the holding pole is in a J shape, the end of the holding pole is fixedly connected with the end of the connecting rod, the anti-skid gasket is located on the inner wall of the holding pole, the size of the device is reduced by half, and the device is more convenient to transport and carry; a redundant telescopic pipe of an original climber is modified, so that the climber has a storage function; and meanwhile, the novel anti-falling climber belt is adopted, so that the problem that the conventional climber is easy to fall off is avoided, the power transmission and distribution line maintenance work is safer, and the anti-falling climber belt has a good popularization and application prospect.
Owner:GUIZHOU POWER GRID CO LTD