23312results about How to "Easy to replace" patented technology

The invention discloses hydraulic machine equipment suitable for die forging and blank making of various flanges and a forging method, and belongs to the technical field of flange production equipment.The hydraulic machine equipment suitable for die forging and blank making of various flanges comprises a base and further comprises a top plate, the top plate is arranged on the upper side of the base, and a guide column is arranged between the top plate and the base; the first hydraulic oil cylinder is fixedly arranged on the top plate, and a piston rod of the first hydraulic oil cylinder is connected with a pressure head; all positions of the forge piece are sequentially arranged on the lower side of the pressing head through the swing mechanism, all positions of the forge piece are conveniently and evenly forged, workers do not need to shake the forge piece back and forth by utilizing a clamp or a clamp on the side, and when the pressing head moves upwards every time, the die holder is automatically separated and is matched with the air spraying opening to blow away waste chips generated in the die holder during forging and pressing of the forge piece; and excessive scraps are prevented from being accumulated in the die holder and being matched with the forge piece gradually filling the die holder again, the follow-up processing time of the flange forge piece is shortened, and the flange processing efficiency is improved.

The invention belongs to the technical field of hard rock cutting and tunneling, and particularly relates to a composite vibration rock breaking device based on a disc cutter, the composite vibration rock breaking device comprises a cutting assembly, an axial excitation device, a radial excitation device, a driving assembly and a supporting assembly, the rear part of the supporting assembly is fixedly connected with a cutting arm of a tunneling machine; the cutting assembly is fixedly connected with the front end of the supporting assembly internally provided with an excitation device; the driving assembly is arranged in the supporting assembly and is connected with the excitation device; the driving device enables the cutting device to vibrate in the radial direction and also to vibrate in the axial direction at the same time. According to the invention, the disc-shaped cutter impacts the rock by utilizing compound vibration, and the wedge surface of the disc-shaped cutter collapses the rock, so that the rock is efficiently cut; compared with a traditional milling rock breaking mode and a TBM rolling mode, abrasion of the cutter is greatly reduced, and therefore the service life of the cutter is prolonged.

The invention relates to an intelligent integrated modular cabinet control method, system and device and a medium, and the method comprises the steps: monitoring the external environment parameters of a cabinet in real time through a sensor group in the cabinet, and carrying out the preprocessing of the external environment parameters through an edge computing device, and obtaining multi-dimensional environment parameters; integrating and analyzing the multi-dimensional environmental parameters and the internal operation data of the cabinet by using a multi-modal data fusion algorithm, and outputting a fusion analysis result; according to a fusion analysis result, generating a digital twinborn model of the current environment and the equipment state of the cabinet in the virtual environment, and performing rapid fusion simulation analysis on different adjustment schemes through simulation drift and a genetic algorithm to obtain an optimized adjustment scheme; and adjusting the resource configuration of each module in the cabinet and the operation state of the heat dissipation equipment based on the optimization adjustment scheme. The equipment cabinet has the effect of improving the operation efficiency of the equipment cabinet.

The invention discloses an intelligent interactive Agent system based on Langchain and an implementation method, and relates to the technical field of natural language processing and artificial intelligence. Comprising the steps of 1, establishing an intelligent interactive Agent system by using an interface and an integrated tool provided by a Langchain framework, 2, managing calling of various tool modules and services through a central scheduling module, and dynamically registering and unbinding the tool modules by using the interface provided by the Langchain framework, and 3, processing user input by using a large language model through a process management module, and establishing an intelligent interactive Agent system. 4, a series of tool modules are integrated through the integrated tool management module, the tool modules comprise a text search tool, a weather query tool and a video information acquisition tool, each tool module works independently or is in linkage with other tool modules, and the tool modules are connected with the integrated tool management module. And 5, managing a user interaction interface through a front-end management module, supporting a user to query and control in a natural language, displaying a processing progress and a processing result in real time, and providing feedback and help information.

The present invention is applicable to the technical field of fresh air equipment, and provides a fume removal catering fresh air equipment, including a chassis, a total heat exchanger is arranged inside the chassis, primary air filters are arranged on the left and right sides of the total heat exchanger, secondary air filters are arranged inside the old air inlet channel and the new air exhaust channel, the secondary air filter and the primary air filter are detachably installed in the chassis, the secondary air filter and the primary air filter include a filter mechanism and a lifting and adjusting mechanism for driving the filter mechanism to move up and down in the chassis: the present invention arranges a secondary air filter and a primary air filter that are detachably installed in the chassis, the secondary air filter and the primary air filter include a filter mechanism and a lifting and adjusting mechanism for driving the filter mechanism to move up and down in the chassis, when the filter is dismantled for inspection or cleaning, it is only necessary to remove the filter through the inspection port, so that the replacement and cleaning of the filter are convenient, and the use effect and service life of the fresh air equipment are improved.

The utility model relates to the technical field of gas guiding of gas shielded welding guns, in particular to a gas guiding assembly of a gas shielded welding gun, which comprises a gas inlet pipe, a contact tube arranged at one end of the gas inlet pipe and gas dispersing holes arranged on the side wall of the gas inlet pipe. The side wall of the flow dividing sleeve is provided with a plurality of flow dividing holes, the inner wall of the flow dividing sleeve is provided with a vent groove, the flow dividing holes are communicated with the vent hole through the vent groove, the air inlet pipe is sleeved with an insulating cylinder, one side of the insulating cylinder is provided with a spray pipe, a spiral blade is sleeved with the spray pipe, and the spiral blade is arranged on the air inlet pipe in a sleeved mode. And the shunting hole and the contact tube are positioned in the spiral blade. The utility model provides a gas guide assembly of a gas shielded welding gun, which can reduce turbulent flow formed in a welding area, improve the welding quality and conveniently clean welding slag, and is used for overcoming the defects in the prior art.

The invention discloses a skid-mounted modular blending super activated carbon desulfurization and acid-making system and method, and belongs to the technical field of desulfurization and acid-making equipment.The current desulfurization unit is erected on the lower desulfurization unit, the upper desulfurization unit is pushed to rotate, the desulfurization units drive skid-mounted assemblies to deflect through stand columns, and then the desulfurization units are made to conduct desulfurization and acid-making. A clamping plate in the skid-mounted assembly can make contact with a baffle in the side blocking assembly in the rotating process till the clamping plate is attached to the inner wall of the baffle, a sliding plate is extruded through the elastic force effect of two springs in a sliding way, the sliding plate drives the clamping plate to be clamped into an operation hole, the clamping plate is limited through the operation hole, and the position of a stand column can be locked; and other desulfurization units can be mounted in the same way, so that the aim of carrying out modular assembly on the plurality of desulfurization units can be fulfilled, the desulfurization and acid making work by using a traditional integrally designed desulfurization tower is abandoned, and the stacking and maintenance work of the desulfurization units is facilitated.

The present invention relates to a pericardiothoracic puncture and effusion drainage device and method thereof, belonging to the technical field of medical puncture equipment. The device includes: a puncture mechanism and an effusion drainage mechanism, the effusion drainage mechanism includes: a sealing disk, on which a liquid inlet tube and a liquid outlet tube are penetrated, the liquid inlet tube is coupled to the puncture mechanism via a hose fluid, and the liquid outlet tube is used to couple to an external effusion storage container; a cylinder, which is rotationally coupled to the occluding disk and is provided with a first chamber and a second chamber; wherein the device is suitable for extracting and discharging effusion from the first chamber and the second chamber alternately by using the liquid inlet tube and the liquid outlet tube via the relative rotation of the occluding disk and the cylinder. In this way, uninterrupted fluid extraction can be achieved in the pericardiothoracic puncture and effusion drainage device.

The invention provides a wafer testing device capable of being rapidly maintained, and relates to the technical field of semiconductors, the wafer testing device comprises a fixed plate, the fixed plate is provided with a control module, and a power supply module, a probe card, a heating lifting module and at least one testing module which are connected with the control module, and a wafer to be tested is integrally arranged in the probe card. The power supply module is connected with the probe card to supply power to the to-be-tested wafer, a heater and a probe are arranged in the heating lifting module, and the heating lifting module is used for driving the to-be-tested wafer in the probe card to be in contact with the probe and heating the to-be-tested wafer. The test module comprises a bottom plate which is in push-pull connection with the fixed plate along the first direction and a switch array measurement assembly which is arranged on the bottom plate and is in plug-in connection with the bottom plate along the second direction, and the switch array measurement assembly is used for testing different parameters of the to-be-tested wafer when the to-be-tested wafer is in contact with the probe. The switch array measurement assembly is in plug-in connection with the bottom plate, and the bottom plate is in push-pull connection with the fixed plate, thereby facilitating the replacement of the test module, and achieving the quick disassembly and assembly.

The utility model belongs to the field of light controllers, particularly relates to an intelligent household light controller, and aims to solve the problems that when an existing intelligent household light controller is installed at home, disassembly and assembly are inconvenient, later maintenance or replacement is inconvenient, and a light controller body is not protected by a protection device. Comprising two motors, a protective cover and supporting platforms, a switch device is arranged at the top of the protective cover, a lifting device is arranged in the protective cover, a placing table is arranged on the lifting device, two supporting platforms are fixedly connected to the two sides of the placing table, and the two motors are arranged on the two supporting platforms; according to the light controller assembly and disassembly device, a worker can easily disassemble and assemble the light controller, later maintenance or replacement is facilitated, and a switch device and a protection cover are arranged, so that a light controller body can be protected.

The invention discloses an underwater thruster permanent magnet propeller capable of reducing cavitation noise, and relates to the technical field of propellers, the underwater thruster permanent magnet propeller comprises a mounting plate, a propeller body and a fairing; mounting holes are formed in the mounting plate, the mounting plate is fixedly mounted on the underwater propeller through matching of bolts and the mounting holes, a main shaft is rotationally connected to the middle of one end face of the mounting plate, the fairing is fixedly connected to one end face of the mounting plate, and the propeller body is fixedly mounted at the end, away from the mounting plate, of the main shaft. The vibration reeds are installed on the inner wall of the flow guide cover, the vibration reeds can vibrate at a high speed through vortexes generated by the cavitation bubbles, and therefore the cavitation bubbles large in size are scattered into a larger number of small cavitation bubbles, the noise decibel generated by the larger number of small cavitation bubbles is lower than the noise decibel generated by the large cavitation bubbles when the larger number of small cavitation bubbles are broken, and the frequency is higher than the noise decibel generated by the large cavitation bubbles when the larger number of small cavitation bubbles are broken. Due to the fact that the wavelength of the high-frequency noise is short, the high-frequency noise is easy to absorb and scatter, one part of the high-frequency noise is directly absorbed by the flow guide cover, and the underwater environment can restrain propagation of the high-frequency noise.

The utility model discloses an indoor air treatment device with a built-in purification structure, and relates to the technical field of air treatment, the indoor air treatment device comprises a shell, and the purification mechanism is arranged in the shell and used for cleaning dust on a filter screen. According to the indoor air treatment device with the built-in purification structure, a driving motor is started to drive a gear to rotate, a gear ring is matched to drive a rotating ring to rotate, a filter screen is clamped on the rotating ring through cooperation of a clamping block and a clamping groove, when the rotating ring rotates, the filter screen is driven to rotate synchronously, bristles on a brush plate are tightly attached to the surface of the filter screen, and therefore the filter screen can be purified. Under the action of friction force, dust on the surface of the filter screen is separated, negative pressure is generated in the dust suction cover by starting the suction pump, and therefore the dust brushed down by the brush plate can be sucked into the dust suction cover and enters the dust collection box through the dust suction pipe, and the effect of automatically cleaning the filter screen under the condition that the filter screen is not detached is achieved; and the maintenance difficulty is reduced.

The invention discloses a high-stability optical fiber connecting device and a using method, and relates to the technical field of optical fiber communication accessories, the high-stability optical fiber connecting device comprises a connector, plug-in assemblies are installed on the two sides of the connector in a plug-in mode, locking heads are installed on the side edges of the plug-in assemblies in a threaded mode, and the two sides of the connector are connected with optical fibers to be connected. The plug-in assembly and the locking head are movably sleeved on the outer surface of the optical fiber to be connected, the outer surface of the connector is fixedly connected with a protective sleeve, and sealing sleeves are installed on two sides of the protective sleeve in a threaded mode. According to the high-stability optical fiber connecting device and the using method, the fiber cores of the to-be-connected optical fibers are extruded and fixed through the spring pieces, the auxiliary balls move on the two sides, and the two sides of the fiber cores of the to-be-connected optical fibers are fixed, so that the connecting stability of the two to-be-connected optical fibers is kept; the outer surface of the to-be-connected optical fiber is sealed, and the connection part of the to-be-connected optical fiber is kept clean, so that the optical fiber connector can adapt to multiple scenes, is flexible and convenient to disassemble and assemble, and is convenient to maintain and replace.

The invention discloses an environment-friendly circulating dust removal device and a use method thereof, and relates to the field of dust removal. According to the environment-friendly circulating dust removal device and the using method thereof, the environment-friendly circulating dust removal device comprises a box body unit and a collecting unit, the collecting unit is arranged below the box body unit, a dust removal unit and a driving unit are arranged in the box body unit, and the box body unit comprises a dust removal box, a purified gas outlet, a dust hopper, a dust gas inlet and a plurality of supporting legs; the dust removal unit comprises a filtering mechanism, a pulse dust removal mechanism, a vibration dust removal mechanism and a plurality of airflow meters, the filtering mechanism is arranged in the dust removal box, and the pulse dust removal mechanism and the vibration dust removal mechanism are arranged above the filtering mechanism. According to the environment-friendly circulating dust removal device and the using method thereof, the dust accumulation degree of the cloth bag on the corresponding vertical plate is monitored through each airflow meter, local pulse injection dust removal is achieved according to the dust accumulation degrees of the cloth bags on different vertical blocks, the dust removal efficiency is optimized, and energy consumption is reduced.

The invention discloses a wet / dry vacuum cleaner with increased corner cleaning capability, comprising: a floor brush component, the floor brush component comprising a main housing, a clean water tank and a roller brush; a negative pressure suction hole is provided on the main housing, and the rotating roller brush rolls sewage and garbage to the negative pressure suction hole; a water delivery pipeline connected to a diversion component is provided at the bottom of the clean water tank, and a plurality of nozzles are provided on the diversion component, and a water pump delivers water in the clean water tank to the diversion component through the water delivery pipeline and sprays the water to the roller brush through the nozzle; a body component, the body component comprising a main body, a sewage tank and an air extraction device; a negative pressure pipeline is sealed between the interior of the sewage tank and the negative pressure suction hole, and the air extraction device works and generates negative pressure to suck sewage and garbage at the negative pressure suction hole into the sewage tank through the negative pressure pipeline. The clean water tank of the invention is arranged on the floor brush component, which reduces the labor intensity of the user, and the roller brush of the invention is detachably arranged at the front end of the main housing, which greatly increases the cleaning capability at corners.

The invention relates to the technical field of Internet of Things gateways, in particular to an Internet of Things gateway and an operation method thereof. The method comprises the following steps: acquiring power system data, and constructing a power grid node topological structure diagram, so as to form a power system Internet of Things gateway; based on an Internet of Things gateway, power grid transmission demand prediction is carried out, an abnormal load state is analyzed, abnormal fluctuation of voltage and frequency is detected, and the stability of a power system is ensured; according to the frequency abnormity and voltage fluctuation data, the aging trend of power grid equipment is estimated, power resource loss estimation is carried out, abnormity early warning is carried out on power resource loss and equipment damage prediction data by utilizing an Internet of Things gateway, safe operation of a power grid is ensured, and early warning information is fed back to a terminal in time. According to the method, the intelligent level of the power system is effectively improved, and efficient resource configuration and fault management can be realized. According to the method, the Internet of Things gateway early warning is optimized, so that the Internet of Things gateway prediction is more efficient and accurate.

The present invention relates to a metal hydride hydrogen storage container which is easy to disassemble and can effectively exchange heat, and relates to the technical field of hydrogen storage containers, and in particular to a metal hydride hydrogen storage container which is easy to disassemble and can effectively exchange heat. The present invention comprises: a hydrogen storage alloy tank, a sleeve, a flange and a hydrogen valve; the hydrogen storage alloy tank is installed in the sleeve, and the flange is sealed and connected by a rubber gasket and flange bolts and nuts; a hydrogen valve is installed at the center of the flange; and the interior of the hydrogen storage alloy tank is filled with hydrogen storage alloy powder. The technical solution of the present invention solves the problems in the prior art that the hydrogen storage alloy generates stress on the inner wall of the container due to lattice expansion during the hydrogen absorption process, causing the container to deform and affecting the service life of the container; the hydrogen storage alloy has poor long-term cycle stability and needs to be frequently replaced; the hydrogen storage alloy has poor thermal conductivity and the hydrogen storage device needs to transfer heat to the outside world.

The invention relates to the field of transformers, and discloses a dry-type power transformer and a using method.The dry-type power transformer comprises a supporting base, a protection box is installed on the top of the supporting base, openings are formed in the two sides of the protection box, the protection box is hinged to a box door through hinges, and through openings are formed in the two side walls of the protection box; a first dustproof mechanism and a second dustproof mechanism are installed at the positions of the through openings respectively, a supporting seat is fixedly installed at the top of the supporting base, a transformer body is fixedly installed on the supporting seat, two symmetrical supporting columns are arranged at the top of the supporting base, and a moving mechanism is installed at the top ends of the supporting columns. The first dustproof mechanism and the second dustproof mechanism are arranged on the two sides of the protection box, and a first dustproof net and a second dustproof net in the first dustproof mechanism and the second dustproof mechanism can be replaced conveniently, so that the use flexibility of the equipment is improved.

The invention relates to the technical field of unmanned aerial vehicle transportation, discloses a storage container for a diversified logistics unmanned aerial vehicle and an operation system of the storage container, and aims to solve the problems that in the existing unmanned aerial vehicle distribution technology, the design of the storage container is lack of flexibility, an effective cargo tracking and information identification means is lack, and the operation system is lack of a comprehensive and intelligent logistics management function. The storage container adopts a modular design, can be flexibly combined by standard modules, is suitable for goods of different types and sizes, and is provided with an RFID or two-dimensional code tag to realize goods tracking and information identification. The container is made of a light high-strength material, is internally provided with a shock pad and an anti-collision corner to protect goods, and is stably connected with the unmanned aerial vehicle through an electromagnetic locking device. The integrated intelligent operation system comprises a sensing layer, a control layer, a data processing layer, a decision-making layer and an application layer, efficient and intelligent logistics management is achieved, and complex and changeable logistics requirements are met.

The invention belongs to the field of gas explosion test technology development, and relates to a reinforced full-size residential building structure gas leakage explosion multi-parameter test platform and method, which can be used for simulating the whole process of a gas leakage explosion accident in a real residential building scene. The gas leakage explosion evolution mechanism and disaster-causing consequence research under multiple ignition sources, multiple gas types, multiple pressure relief conditions and multiple obstacle environments can be realized. The test platform can simulate a resident house type, and through local reinforcement design and coupling test technology development of the test platform, a high detonation pressure, high simulation and multi-parameter gas explosion repeated test is realized.

The invention discloses a geological survey soil sampling device capable of laterally sampling, and relates to the technical field of soil sampling. Comprising a sampling drill cylinder part, and a negative pressure back suction part is installed on the sampling drill cylinder part and used for sucking a soil sample in the sampling drill cylinder part; an acid-base detection piece is mounted on the sampling drill barrel part; a traction control piece is mounted on the sampling drill cylinder part and is connected to the acid-base detection piece; the traction control part is used for pulling the acid-base detection part to switch a detection sample; a detection solution preparation part is mounted in the sampling drill barrel part; negative pressure suction work can be carried out by adopting the suction sleeve, and the structure can be prevented from water leakage when sampling is carried out on collapsed or marsh soil under the action of negative pressure; the problems that in the background technology, an existing soil sampling device is inconvenient to separate and sample a soil sample in the center of a sampler and is also inconvenient to carry out negative pressure permeation prevention are solved.

The invention relates to an exchange platform laser cutting device. The device comprises a rack, a climbing rail, a translation rail, a translation platform, a climbing platform, a driving mechanism, a three-dimensional moving mechanism and a laser cutting mechanism. The rack comprises a first area and a second area, a plurality of partition plates are arranged at the bottom of the rack corresponding to the first area to form a plurality of smoke exhaust sub-areas, a smoke exhaust port is formed in the rack corresponding to one side of each smoke exhaust sub-area, each smoke exhaust port is connected with a smoke exhaust pipe, a total air outlet is formed in the smoke exhaust pipe, and the total air outlet is communicated with the smoke exhaust sub-areas. An air door and an air door driving assembly used for driving the air door to be opened and closed are arranged at the smoke outlet. The running track of the climbing platform is that the climbing platform ascends and then descends, when the climbing platform and the translation platform are staggered, the climbing platform is located above the translation platform, the climbing platform does not occupy the bottom space of the rack, in this way, the bottom space of the first area of the rack can be released, and therefore a smoke exhaust mechanism can be arranged in the bottom space of the rack.

The invention relates to the field of guardrail welding machining, and provides a double-end guardrail laser welding machine which comprises a guardrail weldment fixing mechanism arranged at the top of a horizontal rack. The laser welding device comprises two groups of five-axis servo modules, a laser and a laser welding head; the two five-axis servo modules of the same structure are symmetrically arranged on the left side and the right side of the horizontal rack, and each five-axis servo module comprises an X-axis servo module, a Y-axis servo module, a Z-axis servo module and a bidirectional servo rotating mechanism. And the welding wire feeding mechanism is arranged on the Z-axis servo module. The multi-dimensional arc welding device is characterized in that each laser welding head has five motion dimensions under the clamping of two groups of five-axis servo modules, and is compatible with a multi-dimensional arc welding function; an integral structure is adopted, so that the structure is stable, the integral structure does not shake during high-speed operation, and the working efficiency is high; the welding wire feeding mechanism is arranged on the Y-axis servo module and synchronously moves with the laser welding head in the three-dimensional space, and welding wire supply is stable and smoother.

The invention discloses a robot tail end passive quick-change device, which comprises a quick-change robot end, a quick-change tool end, a quick-change tool end and a locking conical surface, a plurality of steel balls matched with the locking conical surface are arranged at the top of the quick-change tool end, a movable space allowing the piston to move up and down is formed in the quick-change tool end, a spring is arranged in the movable space, the piston is sleeved with the spring, and when the piston controls the steel balls to move outwards and abut against the locking conical surface, the locking conical surface abuts against the locking conical surface. The spring applies longitudinal locking force to the piston so that the quick-change robot end and the quick-change tool end can be locked. And the push rod components are located on the two sides of the quick-change tool end correspondingly, the ends of the push rod components can stretch into the moving space, and the push rod components are used for pushing the piston to move upwards so that the quick-change robot end and the quick-change tool end can be unlocked.

The invention discloses a mountain tunnel waterproof and drainage structure convenient to maintain and replace and a construction method.The waterproof and drainage structure comprises a primary support, a secondary lining, detachable water guiding and drainage structures and a tunnel bottom drainage structure, an annular groove is reserved in a secondary lining construction joint, and the water guiding and drainage structures are intensively arranged; the water guiding and draining structure comprises a water draining pipe, an annular water draining groove, a water-wave-proof steel pattern plate, a heat preservation material and a decorative plate which are sequentially arranged from outside to inside. The bottom drainage structure comprises transverse drainage ditches and a central drainage ditch. According to the tunnel waterproof and drainage structure, the underground water behind the tunnel lining is basically drained through the capacity of the water drainage pipe for actively reducing the underground water, the underground water is prevented from acting on the supporting structure, permeation of the underground water into the supporting structure is reduced, the construction method is simple and convenient, and the construction quality is easy to control; during tunnel operation and maintenance, desilting, maintenance and replacement are facilitated, and the durability of the tunnel is improved.

The invention provides a photovoltaic power generation mechanism, and relates to the field of photovoltaic power generation. A controller is installed in the power generation mechanism, moving mechanisms are inserted into the two sides of the power generation mechanism in a penetrating mode, the bottoms of the two moving mechanisms are connected through two transverse rods, and the transverse rods are connected with a pull rod mechanism through a connecting plate. When the overturning part overturns forwards, the pulling rod mechanism is driven to move downwards, the pulling rod mechanism stops pulling the connecting plate and the moving mechanism, the moving mechanism moves downwards under the action of the gravity of the moving mechanism, the controller is located in the power generation mechanism for protection, meanwhile, heat dissipation is conducted, and at night, the controller controls the overturning frame structure to overturn upwards, so that heat dissipation is conducted. The problems that a controller of a common photovoltaic power generation mechanism needs to be protected by a protection structure, aging is reduced, but the protection structure affects the heat dissipation efficiency of the controller, and the service life of the controller is affected are solved.

The invention discloses a system and a method for measuring the weight center of gravity of an unmanned helicopter, belongs to the technical field of unmanned aerial vehicles, and is used for solving the problems of low measurement precision and limited measurement scene of the system for measuring the weight center of gravity of the unmanned helicopter. The measuring system comprises a weight measuring unit, a horizontal measuring unit, a lifting unit and a distance measuring unit. The weight measuring unit comprises four weight measuring assemblies; the horizontal measuring unit comprises a first bevel protractor and a second bevel protractor, the first bevel protractor and the second bevel protractor are located on a main shaft of the unmanned helicopter, the distance measuring unit comprises a horizontal laser instrument and a laser centering tool, the laser centering tool is fixed on the main shaft of the unmanned helicopter, and the laser centering tool comprises an inclined laser centering line. The center line of the laser pair and the center line of the spindle are coplanar. According to the measuring system and the measuring method, the position of the weight gravity center of the unmanned helicopter measured by a four-point weighing method in the horizontal direction can be improved, and testing of different helicopter types and different sites can be met.

The invention discloses a composite material storage box forming mold and a manufacturing method thereof, and belongs to the technical field of composite material forming molds. An end socket connecting block, an end socket cylinder section connecting ring, a split type cylinder body assembly, a cap-shaped reinforcing rib and the like are manufactured in parallel and assembled to obtain the composite material storage box forming mold. The self-weight of the mold is greatly reduced while the outer molded surface of the combined mold is guaranteed, the mold filling and demolding processes are simplified, the end socket is left in the product after the product is formed, the strength and rigidity of the storage box are improved, and a stable connecting port can be provided.

The utility model provides an electric field treatment system and a transducer thereof, the transducer comprises a backing and an electrode array attached to the backing, the electrode array comprises a plurality of electrode units arranged at intervals, a plurality of connecting parts connecting two adjacent electrode units, and open spaces formed among the plurality of electrode units. The transducer further comprises a conductive adhesive attached to the electrode array, and the conductive adhesive is arranged on the side, away from the backing, of the electrode unit in a whole piece covering mode. According to the electric field treatment system and the transducer thereof, the whole piece type conductive adhesive covering all the electrode units is adopted, replacement is convenient, the heating conditions of all the electrode units tend to be consistent, and local heat concentration is avoided.

The utility model discloses a high-temperature-resistant smoke automatic regulating valve which comprises a valve body, a power assembly is arranged at the top end of the valve body, the output end of the power assembly is fixed with a valve plate assembly in a transmission mode through a rotating rod, an air inlet assembly is arranged at the bottom end of the valve body, and the valve plate assembly comprises a valve plate body and outer cover pieces arranged on the outer side walls of the two ends of the valve plate body. A gas inlet hole is formed in the bottom end of the valve plate body, a rotating hole is formed in the top end of the valve plate body, a novel valve plate assembly structure is designed, a user can flatly replace the device in an existing flue gas adjusting valve, the top end of the device and a rotating rod are fixed in a transmission mode, and therefore when a heat exchange medium at the bottom flows into the valve plate body from a gas inlet pipe, the heat exchange medium is not prone to falling off. The disc groove structure formed in the valve plate body can fill three fourths of the area of the valve plate body, the cooling and heat exchange effects are achieved, and after a medium in the valve plate body reaches the designated temperature, the medium can be pumped out through the air inlet pipe and replaced, and the effect of keeping the proper temperature is achieved.