26results about How to "Guarantee job stability" patented technology

The application discloses an electric vehicle charging protection device, which comprises a main body, a shielding part and a movable part, wherein the shielding part and the movable part are fixed on the main body; a controller, a button and a connecting port are arranged on the main body, the controller is connected with an external power supply and an electric device through the connecting port; a sleeve is arranged at the lower end of the shielding part, a connecting rod is arranged at the upper end of the main body, the shielding part is inserted into the sleeve through the connecting rod and is fixed at the upper end of the main body, so as to cover the button and the connecting port; the movable part comprises a support, a rotating block and a motor, the motor is fixed in the shielding part through the support, one end of the rotating block is connected with a driving end of the motor, the motor drives the rotating block to rotate and generates centrifugal force; the button and the motor are electrically connected with the controller. Through the arrangement of the shielding part and the movable part, the movable part drives the shielding part to move, the rotating block rotates and generates centrifugal force to make the accumulated snow above the shielding part fall off, the situation that the shielding part is deformed due to too much accumulated snow is avoided, and the safety and stability of the electric vehicle charging protection device are improved.

This invention relates to the field of dental chair water system disinfection equipment, and discloses a modular integrated dental chair water system cleaning and disinfection device, including a device shell and internally detachably connected modules for clean water supply, chemical solution supply, water system switching, control, and monitoring. Each module is an independent detachable unit, connected via standardized fluid interfaces and electrical connectors; the clean water and chemical solution modules have independent fluid branches and standardized output interfaces connected to the water system switching module; the water system switching module has a built-in solenoid valve group, with its input end connected to the former two and its output end having a total output interface for the dental chair water system; the control module is electrically connected to each module, and the monitoring module includes a pipeline sensing unit. This invention effectively solves the problems of low integration, lack of modularity, inconsistent interfaces, and cumbersome maintenance in existing equipment, achieving fully automated cleaning and disinfection of the dental chair water system, while also possessing the advantages of strong adaptability and stable operation, significantly improving cleaning efficiency and hygiene safety.

The utility model discloses a kind of piece type wind power tower cylinder overhauling device, belong to wind power technology field, including support platform, support platform two sides are provided with several support rotating components, several support rotating components are loaded with wind power tower cylinder, support platform two sides are provided with limit component, support platform is provided with moving platform, and overhauling component is slidably connected on moving platform, personnel is convenient to enter and carries out overhauling operation to wind power tower cylinder inner wall, carries out overhauling operation to internal connecting place, it is easy to operate, and wind power tower cylinder is effectively limited when personnel overhauls inner wall, avoid its deflection, guarantee the security of overhauling.

This invention discloses a miniaturized four-channel combining module based on the TE20 mode, belonging to the field of millimeter-wave power combining technology. It includes a layered upper cavity, a mezzanine, a lower cavity, and an RF unit. The RF unit comprises a TE10-TE20 waveguide distributor, two amplification branches, and a TE20-TE10 waveguide combiner. Each amplification branch includes a TE20 mode filter, a waveguide-microstrip transition, a pair of amplifier chips, and a microstrip-waveguide transition connected sequentially. The TE10-TE20 waveguide distributor and the TE20 mode filter are disposed in the upper and lower cavities. The waveguide-microstrip transition, the pair of amplifier chips, and the microstrip-waveguide transition are disposed on opposite sides of the mezzanine. The TE20-TE10 waveguide combiner is disposed in the upper cavity, the mezzanine, and the lower cavity. This invention utilizes a high-isolation waveguide distributor / combiner to improve branch isolation, shorten the combining path, and has a compact overall structure with advantages such as wide bandwidth, high isolation, high combining efficiency, and miniaturization.

The utility model relates to a kind of cylindrical roller bearing equipment roller tool, including bottom plate, pedestal, feeding unit and pusher unit, its technical key points are: concentric bearing is equipped on the upper outer sleeve of pedestal, and bearing housing is connected using concentric bearing, positioning recess corresponding to the component to be assembled is equipped in the upper surface middle part of bearing housing, feeding unit includes guide riser and feeding hopper, pusher unit includes support axle seat, force rod axle, handle located in one end of force rod axle, swing bar located in the other end of force rod axle, connecting rod articulated with the other end of swing bar, push rod articulated with the other end of connecting rod, and pressure head connected with the other end of push rod, pedestal lower part is equipped with the avoidance mouth corresponding to pressure head, guide riser lower part is equipped with the radial pusher through-hole corresponding to positioning recess, and pressure head terminal is located in the side of radial pusher through-hole and can pass through radial pusher through-hole.The utility model solves the problem of time-consuming and laborious when manually pushing cylindrical roller, reduces the work pressure of operator, and significantly improves work efficiency.

The utility model provides a drawer type cooking utensil, include: shell, cavity, cavity sets up inside the shell, the inside cavity is used for placing the food of waiting heating, front plate, connect in the front side of shell and cavity, drawer, drawer is used for sealing or opening the opening of cavity, wherein the left and right sides of drawer are connected with first slide rail and second slide rail respectively, still have third slide rail in the lower part of drawer, every slide rail can extend or retract relative to front plate, every slide rail includes fixed rail and movable rail, movable rail can slide relative to fixed rail, fixed rail is pasted on the outer wall of cavity, the front end of fixed rail rivets fixed on the front plate, the rear end of fixed rail rivets fixed on the back wall of cavity. Through the fixed rail of slide rail is changed to rivet connection, and every riveting site all uses two riveting pieces to connect, two riveting pieces are parallelly arranged along the width direction of fixed rail, guarantee the connection stability of fixed rail fully.

This invention relates to the field of industrial and mining engineering construction, specifically to an integrated device for site leveling and waste recycling in industrial and mining engineering. The device includes a vehicle body, an electric slide rail fixedly connected to one end of the vehicle body, and a leveling component at the other end of the vehicle body. A slider is slidably connected to the inner wall of the electric slide rail, a collection shell is fixedly connected to the side wall of the slider, a filter component is provided on the inner wall of the collection shell, and a conveying component is provided on the inner wall of the top of the collection shell. The conveying component includes a fixed connecting plate fixedly connected to the inner wall of the top of the collection shell, and a motor is fixedly connected to the side wall of the collection shell. This invention integrates site leveling and waste recycling into one unit. Through the coordinated operation of a leveling shovel, conveying component, and leveling roller, it replaces multiple scattered devices to simultaneously complete waste collection, screening, and site rolling leveling, significantly simplifying the construction process, reducing energy consumption and maintenance costs, and significantly improving the efficiency of industrial and mining engineering construction.

The utility model discloses a faucet structure, contain main part and water spray switching assembly, and the main part sets up water inlet end, first water outlet end and second water outlet end, and water spray switching assembly contains water channel body and water distribution spare, and the water channel body has main water channel, first water distribution channel and second water distribution channel, and is communicated with water inlet end, first water outlet end, second water outlet end respectively, and the assembly chamber of water channel body is equipped with valve sleeve spare, and the water distribution spare is installed in valve sleeve spare, and the clamping plate of valve sleeve spare cooperates with the hook plate of water channel body outer wall, realizes axial positioning through valve sleeve spare circumferential rotation, and the assembly chamber is communicated with main water channel, first water distribution channel, second water distribution channel through main port, first water port, second water port respectively, and the valve port of valve sleeve spare is connected first water port through water outlet, and main port is connected valve port and second water port respectively, and the sealing part of water distribution spare can selectively seal valve port or second water port, when sealing second water port, first water outlet end water outlet, when sealing valve port, second water outlet end water outlet, realize water spray switching. Assemble convenient and positioning stable, and it is convenient for water outlet switching.

The utility model relates to positioning welding machine technical field provides a kind of positioning welding machine of convenient cleaning welding edge. It includes welding head, support piece, spring, positioning block and cleaning assembly, the support piece one end rotation assembly in the welding head;The spring one end fixedly connected the support piece away from the one end of welding head, the spring other end fixedly connected the positioning block, the positioning block bottom is spherical surface;The cleaning assembly fixed assembly in the positioning block;The welding head drops and carries out welding work, and the positioning block is compacted on weld by the spring elastic force, the positioning block is embedded in weld and moves along weld in spherical bottom surface, and the cleaning assembly follows the positioning block and carries out cleaning along weld. The positioning welding machine of convenient cleaning welding edge can clean welding edge along weld in synchronous welding process, cleaning is timely and does not need manual operation.

The utility model discloses a quick connection blowout preventer pipe, which is composed of a connecting pipe and a quick connection sleeve, the quick connection sleeve is composed of a connecting sleeve and a locking mechanism, one end of the connecting pipe is a male buckle end and a first tooth-shaped butt joint boss is arranged on the outer wall of the connecting pipe, the other end of the connecting pipe is a female buckle end and a second tooth-shaped butt joint boss is arranged on the outer wall of the connecting pipe, the connecting sleeve is arranged on the outer side of the connecting pipe, the first annular end plate and the second annular end plate at both ends of the connecting sleeve are respectively embedded and matched with the first tooth-shaped butt joint boss and the second tooth-shaped butt joint boss, the locking mechanism is arranged on the connecting sleeve along the radial direction and can be matched with the locking hole arranged on the connecting pipe, the cable blowout preventer pipe is stably connected and sealed through the plug-in butt joint between the connecting pipes and the locking of the quick connection sleeve, the operation difficulty and the labor intensity are low without the cooperation of complex tools, the quick assembly and disassembly characteristics greatly improve the operation efficiency, and the cable blowout preventer pipe has good emergency performance and can be put into use only by being customized according to the size in various oil and gas field development scenes.

The utility model discloses a massage back cushion, including backrest board, massage machine core and power, the middle part of backrest board is hollow out, and is provided with the guide plate that extends along the up and down direction, and the rack that is symmetrically arranged on the both sides of guide plate, the positive surface of massage machine core is slidably fitted in the guide plate, and the both ends are respectively set up in the rack on the both sides of guide plate, and the action gear in massage machine core end portion is engaged with corresponding rack, the back of power is installed in backrest board, and is connected with massage machine core electricity nature. The utility model discloses the existing massage base is replaced for lighter, thinner backrest board, because the thickness is thin, even if the processing production of using the existing plastic material, also can realize the deformation of certain degree when being subjected to external pressure to can be more conformal chair backrest and other application scene, the both ends of massage machine core are set up in the rack on the both sides of guide plate, can adapt the deformation of rack and will not occur action gear and rack disengagement situation in the moving process of massage machine core.

This application relates to a chip packaging structure and an optical device. The chip packaging structure includes: a first substrate having a predetermined mounting area; a second substrate spaced apart from the first substrate and covering the predetermined mounting area; a packaging assembly including an adhesive and at least one retaining ring, all retaining rings surrounding the predetermined mounting area, and the adhesive surrounding the retaining ring closest to the predetermined mounting area; the adhesive bonds the first substrate and the second substrate together, and of all the retaining rings, the retaining ring closest to the predetermined mounting area is in close contact with the first substrate and the second substrate, forming a receiving cavity together with the first substrate and the second substrate, and blocking the adhesive from entering the receiving cavity; a functional device is received in the receiving cavity and mounted in the predetermined mounting area. The chip packaging structure of this application has good product yield, long service life, high structural stability, and good operating temperature resistance, meeting the requirements for automotive-grade applications.

This utility model relates to the field of helicopter maintenance technology and discloses a helicopter maintenance platform, including a maintenance frame. A fixed frame is fixedly connected to the inner wall of the maintenance frame, and a motor is fixedly connected to the outer wall of the fixed frame. A sprocket is fixedly mounted on the output end of the motor, and a chain is meshed with the teeth of the sprocket. A sliding block is fixedly connected to the outer wall of the chain, and a hollow frame is slidably connected to the outer wall of the sliding block. A support plate is fixedly connected to the outer wall of the hollow frame, and a tool frame is fixedly connected to the outer wall of the support plate. A guide rail is slidably connected to the inner wall of the tool frame. In this utility model, through the cooperation of the maintenance frame, fixed frame, motor, sprocket, chain, sliding block, hollow frame, support plate, tool frame, and guide rail, maintenance personnel can transport tools through the tool frame, avoiding the need for personnel to repeatedly climb up and down the platform to retrieve tools, reducing manpower consumption and improving work efficiency.

A rotary switch panel structure is disclosed, in which a cover plate on the base box has an annular groove and a positioning platform. A control circuit board is fixed to the positioning platform via a mounting platform and a baffle. The inner ring of a bearing is fitted onto both the positioning platform and the mounting platform, while the outer ring of the bearing connects to a knob. The knob actuates a toggle switch on the control circuit board via a pawl located in its central circular hole. This rotary switch panel structure allows for quick and stable adjustment of electrical appliances or smart devices, effectively adapting to various smart home applications and meeting diverse user needs. Furthermore, the knob is securely fixed to the cover plate via the bearing, eliminating the need for adhesives and effectively reducing operational difficulty and improving production efficiency.

This invention relates to the field of fuel cell technology and discloses a fuel cell heat dissipation system and control method for active balancing heat dissipation in unmanned aerial vehicles (UAVs). The fuel cell heat dissipation system includes a UAV heat dissipation assembly and an active balancing control subsystem. The UAV heat dissipation assembly includes a liquid cooling circuit and rotors disposed at the tips of multiple heat dissipation arms. The liquid cooling circuit includes coolant channels disposed inside the multiple heat dissipation arms. The coolant channels include in-arm liquid inflow pipes and in-arm liquid return pipes. Multiple in-arm liquid inflow pipes are arranged close to the inner side of the heat dissipation arms, and the multiple inflow pipes converge at the tips of the heat dissipation arms and connect to the in-arm liquid return pipes. The inflow pipes have an S-shaped variable diameter pipe structure, and their arrangement density gradually decreases from the root to the tip of the heat dissipation arm. The active balancing control subsystem includes a sensor group, an actuator group, and a controller. This invention can improve the reliability and flight safety of the UAV thermal management system.

This invention discloses a thin-film thermal printhead and its fabrication method. The fabrication method includes: providing an insulating substrate, the insulating substrate including a first insulating region, a second insulating region, and a third insulating region; forming a heat-retaining glaze coating on one side of the insulating substrate and in at least the first insulating region; forming a resistive layer on the side of the heat-retaining glaze coating away from the insulating substrate; forming a common electrode on one side of the heat-retaining glaze coating and in the first insulating region, the common electrode including an electrode layer; forming a lead-out electrode on one side of the insulating substrate and in the second insulating region, the lead-out electrode including an electrode layer; forming a bond electrode on one side of the insulating substrate and in the third insulating region, the bond electrode including two electrode layers; and providing a preset opening on the side of the common electrode away from the heat-retaining glaze coating. By setting the bond electrode as two electrode layers, this invention ensures the stability of the bond electrode, thereby ensuring the overall operational stability of the thin-film thermal printhead.

The utility model relates to the field of anchor rod drilling machine, especially anchor rod drilling machine with protection mechanism, including drilling machine body, the protection subassembly is provided with on the frame body of drilling machine body at its drill bit side, the utility model integrates first toughened glass and second toughened glass on the protection plate, forms double observation window, both completely block splashing stone, and provide the dead angle vision, ensure that the operator real -time monitoring drill bit working condition, the protection plate is hinged with the first rotating seat of the top of mounting bracket through the rotating part, cooperate the stepped clamping structure of rotatable support plate and limiting block, realize the stepless adjustment of protection plate pitch angle, adapt to different drilling angle demand, the mounting bracket is inserted into the base slot through the insert block, and is locked by the limiting piece vertical insertion limiting hole, need not tool to complete dismounting, both guarantee the stability of work, and be convenient for equipment maintenance and transportation.

The application belongs to the technical field of cleaning equipment, and particularly relates to a side-leakage-preventing integrated nozzle and a scrubber, which comprises a water spraying seat, a plurality of water outlets are uniformly arranged on the inner cavity bottom surface of the water spraying seat, an elastic pipe is arranged in the water outlet, guide rods are fixedly connected to the two sides of the cavities, a counterweight seat is arranged in the cavity, slide sleeves are fixedly connected to the two sides of the counterweight seat, push shovels are arranged on the two surfaces of the counterweight seat close to the connecting grooves, when the water spraying seat is inclined, the counterweight seat drives the slide sleeve to slide along the guide rod to the lower end of the water spraying seat under the action of gravity, the push shovel at the lower end of the counterweight seat slides into the connecting groove, the push shovel pushes the middle part of the elastic pipe, the middle part of the elastic pipe is bent and compressed, the two outer walls of the elastic pipe are extruded and attached, the elastic pipe is blocked, the residual water in the flow channel is prevented from flowing out of the lower water outlet, and the dryness of the ground around the scrubber is improved.

The utility model discloses an industrial programmable power supply device, including power cabinet and install on the programmable control cabinet of power cabinet, the inside fixed mounting of programmable control cabinet has control circuit, wherein control circuit includes microprocessor and feedback circuit, be provided with GPIB, USB, LAN and RS 232 interface for connecting with external device on the programmable control cabinet, the inside of power cabinet is provided with power conversion cavity, the inside of power conversion cavity is provided with the support plate of at least one number. The utility model, when the power converter works, because the support of support plate to power converter and the separation to adjacent power converter, the working heat of power converter can be convenient ventilation and heat dissipation through the gap between connecting support strip, and the support contact of connecting support strip and power converter can directly heat conduction, and expand the heat dissipation area to some extent, thereby improve the heat dissipation efficiency, to guarantee the working stability and service life of programmable power supply device.

The utility model discloses a kind of PCB dry film pretreatment machines, including base, the top surface both sides of base are equipped with support plate, and the middle position of one side surface of support plate is fixedly installed with double-shaft motor. The utility model places PCB board material between two parallel cleaning rollers, is driven synchronous pulley and synchronous belt transmission by servo motor, drives cleaning roller rotation, realizes the automatic cleaning processing to board material surface, effectively removes oxide layer and pollutant, ensure the process quality of subsequent dry film attachment, to adapt to PCB board material of different thickness, start double-shaft motor, double-shaft motor drives screw rotation, movement constraint is carried out to moving block by connecting groove and connecting block, moving block is accurately displaced along screw axial direction, moving block is rigidly connected with mounting frame, drives cleaning roller synchronous movement, to adjust the distance between two cleaning rollers, solve the adaptability problem of traditional fixed cleaning roller, improve the processing adaptability and process consistency of equipment to different specifications PCB board material.

This invention discloses a home-based sleep quality optimization aid for patients with chronic diseases, relating to the field of sleep assistance technology. It includes an adjustment controller and a wire. One end of the wire is fitted with an earplug, and the other end of the earplug is fitted with a rubber sleeve. An elastic strip is provided on the outer circumference of the earplug for conforming to the patient's concha. A detection component for detecting the patient's sleep state and a stimulation component for optimizing the patient's sleep quality are located on one side of the elastic strip. The stimulation component includes an outer sleeve fixedly connected to the elastic strip, an inner sleeve fixedly connected inside the outer sleeve, and a first electrode disposed inside the outer sleeve. This invention can effectively improve sleep problems such as difficulty falling asleep, frequent awakenings at night, and insufficient deep sleep duration in this population, breaking the vicious cycle of poor sleep quality and slow recovery, effectively optimizing the home-based sleep quality of patients with chronic diseases, and aiding in physical recovery.

This invention provides a multi-channel high-precision analog signal output method and system, comprising the following steps: a host computer specifies an output channel and sets its configuration parameters according to the electrical pulse signal characteristics required for the test panel to display the signal; a control module distributes the corresponding configuration parameters to several signal output modules; all weakly correlated parameters in the configuration parameters of each output channel are distributed to the same signal output module, which configures the weakly correlated parameter for all output channels; all strongly correlated parameters in the configuration parameters of each output channel are distributed to the corresponding signal output module, and all strongly correlated parameters of each output channel are configured by the signal output module containing that output channel; each output channel outputs a corresponding electrical pulse signal to the test panel according to the configured parameters. This invention can meet the synchronous testing requirements of various test panels on the market.

The utility model discloses a surface cleaning device for wood board edge sealing processing relates to wood board technical field. This surface cleaning device for wood board edge sealing processing, including the bottom plate, is provided with the cleaning mechanism and the conveying mechanism at the bottom plate top, the cleaning mechanism includes the cleaning part and the control part, the cleaning part includes a plurality of spray heads and the cleaning brush, and the control part includes electric telescopic handle, the fixed frame is fixedly arranged on the bottom plate outer wall, the fixed frame inboard surface slidingly arranged has the connection box, and the technical effect is that the cleaning mechanism adopts the double cleaning mode of the combination of spray head water spraying and cleaning brush mechanical cleaning, and the water flow can soften the wood board surface impurity, and the rotating cleaning brush can completely strip stubborn stains, improve the cleaning effect, effectively remove the impurity, guarantee the wood board surface cleanliness, with the help of electric telescopic handle, the connection box can be driven to move up and down, adjusts the height of spray head and cleaning brush, can adapt to the cleaning demand of different thickness wood board.

The utility model discloses a colorful lamp group with high -efficient heat dissipation structure, include: mounting panel and protective lamp shade, the inside of mounting panel is provided with mounting hole, and mounting hole is array distribution, still include: the inside of mounting panel is provided with the adjusting mechanism for quick installation and disassembly protective lamp shade, and the inside of mounting panel is provided with the slot, and the slot is array distribution, the inside of protective lamp shade is provided with the disassembly mechanism for high -efficient heat dissipation, and protective lamp shade and mounting panel close adhesion. This colorful lamp group with high -efficient heat dissipation structure, and the butt joint column and butt joint hole cooperation positioning protective lamp shade, and the clamping plate cooperation threaded rod clamping protective lamp shade, realize quick fixing and disassembly, need not tool, and the operation is convenient, through the limiting frame convenient dustproof filter screen's disassembly cleaning, realize the convenient wash of dustproof filter screen and micro -pump, guarantee the heat dissipation efficiency, enhance the heat dissipation capacity simultaneously, delay colorful lamp ageing.

The utility model discloses a chain conveying mechanism for tenter, chain is engaged with sprocket through the cooperation of first cooperation structure and second cooperation structure, and chain slides on the track, and the inside of chain is in contact with the inside side wall of track, and the inside of chain is equipped with needle plate, and chain is composed by the head-to-tail connection of chain unit, and chain unit includes at least two chain links, and each chain link in chain unit is rotatably connected at the head and tail, and the rotatable connection in chain unit includes at least one horizontal rotary connection, and the tail end of last chain link of former chain unit is perpendicularly rotatably connected with the head end of first chain link of latter chain unit. The chain conveying mechanism for tenter disclosed by the application can make the vertical rotation and horizontal rotation between chain links through horizontal pin shaft and vertical pin shaft, prolong the service life of chain, reduce the volume of tenter, and the chain is equipped with bearing and pressing strip, provides the stress support point, prevents the chain from turning over, and the limiting baffle can prevent the chain from being separated from sprocket.