39results about How to "Easy to install, maintain and replace" patented technology

The invention discloses a belt conveyor sweeper, which comprises scrapers, a scraper connecting mechanism and a scraper adjusting mechanism, wherein the scrapers are arranged along a belt arc surface and have an arc shape matched with the belt arc surface; the end parts of the scrapers are contacted with a belt; the scraper connecting mechanism is provided with a shaft; the scrapers are axially and fixedly connected along the shaft; two ends of the shaft are hinged with a side beam of a belt conveyor; the scraper adjusting mechanism is provided with a lever; and one end of the lever is provided with a counterweight block, and the other end of the lever is fixedly connected with the shaft. The belt conveyor sweeper has a sweeper scraper structure which is better matched with the conveyor belt; a fixing mode is more stable and reliable; in a sweeper adjusting device, due to the adoption of a gravity adjusting device, contact force between the scrapers and the belt can be adjusted in multiple directions through torque generated by the shaft, so that the defect of vertical contact force between the scrapers and the surface of the belt is overcome, the protection of the belt is facilitated, and the counterweight block can be adjusted in an addition and subtraction mode; and the belt conveyor sweeper has higher sweeping capacity, a more optimized structure and low manufacturing cost and is convenient to mount, maintain and replace.

The invention discloses a vehicle passive safety auxiliary device and a use method thereof. The vehicle passive safety auxiliary device comprises a central unit, a vehicle-mounted bus network, an emergency button, a vehicle-mounted power supply, an interaction module and six intelligent gas bag boxes. The intelligent gas bag boxes are arranged on a vehicle and connected with the central unit. The vehicle-mounted bus network, the emergency button, the vehicle-mounted power supply and the interaction power supply are electrically connected with the central unit. Each intelligent gas bag box comprises a shell, wherein a first radio frequency module, a second self-contained power pack, a gas generator, a gas bag, a gas bag opening sensor, a water pressure sensor and a second processing module are arranged in the shell, the gas bag opening sensor is connected with the gas bag, and the first radio frequency module, the second self-contained power pack, the gas generator, the gas bag opening sensor, the water pressure sensor and the second processing module are electrically connected. The vehicle passive safety auxiliary device is strong in flexibility, convenient and rapid to install, replace and maintain and high in user-friendly degree, a passive safety concept is fused in the vehicle passive safety auxiliary device, and the vehicle passive safety auxiliary device has large application market in places nearby seas, lakes and rivers and places where heavy rainfall easily happens.

The invention relates to a rotating seal which belongs to the field of sealing technology, in particular to a non-contact seal that is especially suitable for being used as the seal of two phase of gas-liquid or a revolving spindle with higher linear velocity. A whole ring-shaped seal is formed by connecting an upper semi-ring seal and a lower semi-ring seal; the semi-ring seals are respectively provided with a semi-ring base body which is provided with a cooling jacket, an end cover connecting plate and a semi-ring seal connecting plate used for connecting the two semi-ring seals; and the semi-ring base body is also provided with a cooling loop and a lipid supplementing hole. The invention has the advantages of greatly reducing the friction and abrasion of the sealing contact surface and avoiding the damage of shaft diameter; due to the distinctive valving structure of the rotating seal, the installation and maintenance are convenient, and the application scope and field can be enlarged; the rotating seal has good sealing performance, no leakage, strong pressure-proof capability and long service life, and can be used for sealing gas and liquid at the same time.

An irrigation fertilizing system employing a water porous mesh pouch containing a slow dissolving fertilizing medium and attaching directly to a drip type emitter device via a tube fitting or indirectly below a standard irrigation bubbler emitter or drip adjustable flow emitter by means of a flexible fitted pouch design, which allows it to be held in place under the emitter output.

The invention discloses an automatic torque protection device for a thickener. The automatic torque protection device comprises a motor, a speed reducer, an electronic torque sensor, a shaft coupling, a signal transmitter and a PLC (Programmable Logic Controller) electric control system, wherein the speed reducer comprises a first stage speed reducer and a second stage speed reducer; the motor is connected with the first stage speed reducer; the first stage speed reducer is connected with the second stage speed reducer through the shaft coupling; machine bodies of the first stage speed reducer and the second stage speed reducer are provided with an upper fixing base and a lower fixing base respectively; the upper fixing base and the lower fixing base are connected with the electronic torque sensor; and the electronic torque sensor, the signal transmitter and the PLC electric control system are connected in series. According to the device, a torque is monitored in real time according to an industrial production requirement, an efficient and simple solution having the advantages of reliable and stable work and wide application range is provided; in the entire scheme, a separable structure is adopted, so that convenience is brought to installation and maintenance, and measurement of the torque in different forms is realized; and the device is reasonable in design, is attractive, is convenient and flexible for operating, and contributes to effectively protecting equipment.

An anti-corrosion device of a temperature element of a high-pressure cylinder of a steam turbine comprises a heat shrinkable tube; the heat shrinkable tube and the external of an armored thermocouple which is arranged on the high-pressure cylinder are glued together; the heat shrinkable tube comprises a tube body and a fixing strip; the heat shrinkable tube is usually formed by polymer materials through the radiation crosslinking treatment and expansion process; a long through opening is axially formed in the heat shrinkable tube; the inner wall of the heat shrinkable tube is matched with the outer diameter of the armored thermocouple; the heat shrinkable tube is shrunken and bundled on armored thermocouple through heating; the fixing strip and an open hot melt adhesive are glued on the external of the opening of the heat shrinkable tube; a plurality of projections are uniformly distributed on the outer wall of the heat shrinkable tube. According to the anti-corrosion device of the temperature element of the high-pressure cylinder of the steam turbine, the heat shrinkable tube sleeves the armored thermocouple to enable the heat shrinkable tube steel to be arranged at the steel armor position of the armored thermocouple to be sealed and accordingly the steel armor position of the armored thermocouple can be isolated from the corrosive gas emitted from heat insulating materials, the corrosion of the corrosive gas volatilized from the heat insulating materials on the armor position of the armored thermocouple is eliminated, and the service life of the armored thermocouple is extended, the measurement accuracy is not affected, the cost is low, and the installation, the maintenance and the replacement are easy.

The invention provides an intelligent multifunctional temperature and air quality regulating and controlling window. The regulating and controlling window comprises an equipment framework, outdoor equipment, indoor equipment, a window body, a draught fan, a coiled pipe, electric heating equipment and a single-chip microcomputer. The equipment framework is mounted on the inner side of an external wall window, an equipment cabinet is mounted on the right side of the equipment framework, and a safety net, an electric heating net, a filter net and an air diffuser are mounted in the equipment framework. One end of the air diffuser is connected with the draught fan, the coiled pipe is placed in the air diffuser, and a water inlet pipe and a water outlet pipe of the coiled pipe are connected withan indoor heat supply pipeline. The window is driven to open and close by a window motor, a plurality of equipment sensors are mounted in and out of a room, information transmission is built up between the equipment sensors and the single-chip microcomputer, and the indoor and outdoor air quality and equipment operation working conditions can be monitored in real time through a computer or a mobile phone. The intelligent multifunctional temperature and air quality regulating and controlling window has the effects that the problem that cold wind intrudes in winter is solved, automatic openingand closing of the window and purifying and heating of indoor air are achieved, all indoor and outdoor equipment are controlled by controlling the single-chip microcomputer through terminal equipment,and intelligent home control is achieved.

The invention discloses a coking desulfurization waste liquid pretreatment device belonging to the technical field of coking desulfurization waste liquid treatment equipment and being used for rapidly removing sulphur and pigment in a coking desulfurization waste liquid. The technical scheme is as follows: a liquid inlet pipeline of a pressure pump and a liquid inlet pipeline of a water jet machine are respectively connected with a liquid outlet of a flotation tank; a liquid outlet pipeline of the pressure pump and a liquid outlet pipeline of the water jet machine are respectively connected with a liquid inlet of a dissolved air tank; a liquid outlet pipeline of the dissolved air tank is connected with the floatation tank; an infusion pipeline of a dosing tank is connected with the flotation tank through a dosing pump; and a sediment scraper is arranged on the flotation tank. According to the invention, the desulfurization waste liquid containing a surfactant is pressurized and subjected to air dissolution and is released at reduced pressure through an aeration head, then, air bubbles formed by the surfactant can be used for efficiently adsorbing and separating organic matters, suspended solids and metal ions, and dross can be removed by the sediment scraper, so that the aim for pre-treating the waste liquid is achieved. The coking desulfurization waste liquid pretreatment device is low in byproduct yield and capable of avoiding generating a great number of active carbon wastes in an active carbon decoloring technology, and has the advantages of simple structure and good use effect.

The invention discloses a hot runner mold with a multipoint hot gate, comprising an upper mold plate, heat barriers and an overload protector. The bottom end of the upper mold plate is provided with abottom mold plate that is releasably connected with the upper mold plate; the end of the upper mold plate far away from the bottom mold plate is provided with an insulation plate; the insulation plate is fixedly connected with the upper mold plate; the heat barriers are distinguished via connectors and are mounted in separate zones; a hot divider plate can be opened through a mounting cover, so that the heat barriers are convenient to mount, maintain and replace, maintenance speed for the damaged heat barriers is increased, and time and manpower are saved, with working efficiency of the hot runner mold ensured; a filter mesh plate can filter off metal particles in melt so that the metal particles are avoided blocking an injection nozzle or causing damage to the injection nozzle; the overload protector can protect the safety of the heat barriers in other zones when the heat barriers mounted the separate zones fail, so that maintenance cost is lowered, and normal running of the hot runner mold is ensured.

A secondary part of a synchronous motor has a protective device for magnets. The secondary part has a plurality of magnets evenly spaced on a magnet support. The protective device has a web for insertion into the gap between adjacent magnets. The web has a first and second flange at its two ends, so that the web and the flanges form a double-T structure, and the flanges rest against outer edges of the adjacent magnets.

The invention provides a garbage bin, and relates to the technical field of garbage collection equipment. The garbage bin comprises a bin body comprising a compression bin and a storage bin, the compression bin is provided with a feeding port for delivering garbage, and the compression bin is internally provided with a pushing device used for pushing the garbage to enter the storage bin from the compression bin, the pushing device includes a rotating blade mounted inside the compression bin, and the bottom of the compression bin has the radian corresponding to that of the rotating blade. The invention also provides a binning method of the garbage bin and comprises the following steps that after the garbage enters the compression bin through the feeding port, the rotating blade starts to rotate, and the garbage in the compression bin is pushed into the storage bin. The invention has the advantages of being simple in structure and convenient to operate, and the function of pushing the garbage by means of circumferential rotation is achieved.

The invention discloses an intelligent LED sidewalk traffic light system. The intelligent LED sidewalk traffic light system comprises a client-side information publishing platform, a data center platform, an intelligent LED sidewalk traffic light and a sidewalk traffic information voice prompt system, wherein the client-side information publishing platform is used for sending information to be published to the data center platform; the data center platform is used for performing data processing on the received information and then sending the information to the intelligent LED sidewalk traffic light; the sidewalk traffic information voice prompt system is used for receiving information of an auxiliary equipment wearer, which is sent by external intelligent traffic auxiliary equipment, and sending the information to the intelligent LED sidewalk traffic light. According to the intelligent LED sidewalk traffic light system, sidewalk traffic information and traffic state information can be simultaneously provided for helping a blind person to safely cross the road; the transmission efficiency is high, and published information programs and traffic safety propaganda information can be instantly transmitted to a traffic light of a designated intersection within dozens of seconds through the wireless transmission of GPRS (General Packet Radio Service); information operation of a single intersection or even a single sidewalk traffic light can be realized; a traffic light display system and an LED display screen are independent of each other and do not affect each other.

The invention relates to a manufacturing method capable of conveniently installing an LED track lamp. The existing LED lighting is designed in one piece, which is inconvenient to install and replace, and may easily cause safety hazards. The present invention is composed of LED lighting lamps and guide rails, and several LED lighting lamps are clamped on the guide rails; the LED lighting lamps are composed of a lamp cap part, a radiator connector and a base part, and the lamp cap part can rotate 350° along the radiator connector part, and the lamp cap part The connecting piece with the heat sink can be rotated 350° along the double-headed dental tube to illuminate at different angles; the bottom of the base is provided with a concave slot, and magnet A and magnet B are separated. The guide rail is composed of metal strip A, metal strip B and the isolation rubber strip between them, which are respectively connected to the 12V positive and negative power supplies transformed by the driving power supply; several sections of the guide rail can be connected by the guide rail connector. It can be conveniently installed, maintained and replaced, prolongs the service life of LED lighting lamps, can meet lighting requirements of different angles, shapes and shapes, and is conducive to popularization.

The invention discloses a high heat-dissipating driving circuit module based on a stage lamp high-power LED and relates to the field of stage lamp LED driving circuit design. The high heat-dissipating driving circuit module comprises an LED driving board, an LED board and an LED power board which are electrically connected through female and female sockets. The LED power board is provided with a hollowed hole. When the LED power board, the LED board and LED driver board are assembled, the LED board is embedded in the hollowed hole. The high heat-dissipating driving circuit module has advantages of compact structure, a strong heat dissipation capacity, easy installation, maintenance and replacement, has an anti-reverse-insertion function, does not need a soft boar, and saves cost. A high-temperature shielding power inductor is arranged between the LED power board and a load to prevent load fluctuation from damaging a synchronous voltage reduction circuit. The bottom face of the LED board is flush with the bottom face of LED power board and the LED board and the LED power board are connected the same radiator so that radiator cost is saved.

The invention relates to a novel light emitting diode (LED) lamp for photoelectric heat separation and a manufacturing method thereof. The conventional LED lamp is integrated, has severe installation, maintenance and replacement conditions, wastes resources and has high cost. The LED lamp consists of a mounting bracket, an LED lamp body and a radiator. A mounting elastic sheet and an optical grille can be arranged on the mounting bracket; the LED lamp body consists of an optical reflecting cup, a reflecting cup mounting rack, a secondary optical lens, an LED fixing piece and an LED light source; and the radiator is arranged at the bottom of the LED lamp body and fixed together with the mounting bracket, and an external digital video (DV) constant current driving circuit supplies power. During implementing, the mounting bracket and the radiating part can be freely replaced, and the LED light source can be a traditional array type LED light source, can also be a high-power integrated LED light source and can be conveniently replaced; and the optical reflecting cup is a polarizing type or direct projection type reflecting cup. The LED lamp can be conveniently installed, maintained or replaced, has reduced cost and wide application range, and is favorable for popularization.

The invention discloses a residual chlorine electrode calibration method and a water quality detection instrument. The residual chlorine electrode calibration method comprises the following steps: S1,before the instrument is used, measuring the zero current of a residual chlorine electrode and the output current of the residual chlorine electrode in at least one group of standard solutions with known concentration at different temperatures and / or pH values; S2, according to the output current, the zero current and the residual chlorine concentration, calculating constants in relation functional expressions of the output current, the zero current and the residual chlorine concentration at different temperatures and / or pH values, and obtaining the relation functional expressions at different temperatures and / or pH values; and S3, when the instrument is used, calling the reading of a relation function type calibration sensor corresponding to the temperature and / or the pH value accordingto the current temperature and / or the pH value of a detection environment, and outputting the corrected measured residual chlorine concentration.

The invention discloses a mounting structure for an automobile seat headrest, which comprises a headrest assembly and a headrest rod mounted on a backrest framework, and further comprises a neck decoration component, and the neck decoration component comprises a neck front decoration part and a neck rear decoration part. The headrest assembly, the neck front decorating part, the headrest rod and the neck rear decorating part are sequentially and fixedly installed together from front to back, the neck front decorating part and the neck rear decorating part are buckled front and back to cover the headrest rod, and the lower end of the neck decorating component is tightly attached to a seat backrest to achieve seamless installation. The mounting structurefor automobile seat headrest has the advantages of being multifunctional, feasible in technology, easy to mount and dismount, high in cost performance and the like, and has practicability.

The invention discloses an oblique multi-directional displacement telescopic device which comprises a sliding end displacement device, a fixed end displacement device and a joint crossing girder, wherein two ends of the joint crossing girder are mounted on the sliding end displacement device and the fixed end displacement device; the sliding end displacement device comprises a sliding end base, arear seat, a guide pressure plate, a guide sleeve rail, a rotary ball crown, a rotary ball seat, a sliding end front guide sleeve and a cover plate; the guide pressure plate is fixed with the slidingend base, and the guide sleeve rail, the rotary ball crown, the rotary ball seat and the sliding end front guide sleeve are limited on the sliding end base; the cover plate is connected and fixed withthe guide sleeve rail and is in contact with the joint crossing girder and the rear seat; the fixed end displacement device is composed of a fixed end base, a fixed end front guide sleeve, a fixed end rear guide sleeve, a fixed end cover pressure plate, a rotary ball crown and a rotary ball seat; and the fixed end cover pressure plate tightly presses the joint crossing girder with the rotary ballcrown and the rotary ball seat. The device disclosed by the invention improves the driving comfort, reduces the structure size of an expansion joint mounting groove of a bridge, reduces vibration andnoise, and is convenient to mount, replace and maintain.

The invention discloses a liquid hazardous chemical substance leakage bridge deck sensing detection early-warning device. A first-level detection early-warning unit is set beside a lane outside solidline beside each drainage opening of a bridge deck. Second-level detection early-warning units are set around each drainage opening in a semi-embedded mode. The first-level detection early-warning units and the second-level detection early-warning units are located on a flow channel of a bridge deck runoff. The first-level detection early-warning units are located at an upstream. Each first-leveldetection early-warning unit comprises a liquid dielectric constant detection sensor, a first storage module in which a rain and snow dielectric constant is pre-stored, a first CPU module, a first wireless communication module and a first protection shell. Each second-level detection early-warning unit comprises a liquid conductivity detection sensor, a PH value detection sensor, a liquid densitydetection sensor, a second storage module in which a detection index normal value is pre-stored, a second CPU module, a second wireless communication module and a second protection shell.

The invention discloses an impact detection device, which comprises a shell, wherein a base plate is arranged on the bottom part of the shell; a plurality of universal wheels are arranged on the bottom part of the base plate; brake mechanisms are arranged on the universal wheels; a shock absorbing plate is arranged on the top part of the base plate; a working table is arranged on the top part of the shock absorbing plate; an installation slot is formed in the center of the top part of the working table; an installation piece is arranged in the installation slot; a fixing plate is arranged on the top part of the installation piece; a plurality of spring plates are arranged on the top part of the fixing plate; sliding chutes are formed in certain ends of the spring plates; sliding blocks arearranged on the other ends of the spring plates; pressure sensors are arranged on the spring plates; a central processor, a storage device and a wireless signal transceiver are arranged in the working table; a fixing column is arranged on one side of the top part of the working table; a guide shaft is arranged on the bottom part of a cross beam; scales are arranged on the surface of the guide shaft; a heavy hammer is arranged in the guide shaft; a sliding rail is arranged on one side of the bottom part of the fixing column; a sliding strip is arranged on the sliding rail; a displacement sensor is arranged on the side face of the sliding strip. The impact detection device is simple in structure, and convenient and fast to use, realizes accurate and effective detection, and is convenient tomaintain and replace.

The invention discloses a hot runner mold with a multipoint hot gate, comprising an upper mold plate, heat barriers and an overload protector. The bottom end of the upper mold plate is provided with abottom mold plate that is releasably connected with the upper mold plate; the end of the upper mold plate far away from the bottom mold plate is provided with an insulation plate; the insulation plate is fixedly connected with the upper mold plate; the heat barriers are distinguished via connectors and are mounted in separate zones; a hot divider plate can be opened through a mounting cover, so that the heat barriers are convenient to mount, maintain and replace, maintenance speed for the damaged heat barriers is increased, and time and manpower are saved, with working efficiency of the hot runner mold ensured; a filter mesh plate can filter off metal particles in melt so that the metal particles are avoided blocking an injection nozzle or causing damage to the injection nozzle; the overload protector can protect the safety of the heat barriers in other zones when the heat barriers mounted the separate zones fail, so that maintenance cost is lowered, and normal running of the hot runner mold is ensured.

The invention provides a water distribution nozzle for a test road. The water distribution nozzle comprises a nozzle head assembly, a nozzle base assembly at the bottom and a height adjusting mechanism for connecting the nozzle head assembly and the nozzle base assembly, wherein a valve element of the nozzle head assembly can be provided with corresponding water spraying grooves in the radial direction according to the requirements of the water spraying angle, the water spraying amount and the water spraying form, and a flow regulator is further arranged at the bottom of the nozzle head assembly. According to the water distribution nozzle, the water spraying flow, the water spraying direction and the water spraying angle can be adjusted, various water distribution requirements of a low-adhesion-coefficient test road can be met by replacing the valve element and adjusting the flow adjuster and the height adjusting mechanism, and water spraying and water supplementing are integrated; the water distribution nozzle can be directly buried in the test road without influencing the driving safety; due to the separated design of all components of the water distribution nozzle, installation, maintenance and replacement are very convenient and rapid, and the water distribution nozzle has great popularization value.

The invention discloses a coking desulfurization waste liquid pretreatment device belonging to the technical field of coking desulfurization waste liquid treatment equipment and being used for rapidly removing sulphur and pigment in a coking desulfurization waste liquid. The technical scheme is as follows: a liquid inlet pipeline of a pressure pump and a liquid inlet pipeline of a water jet machine are respectively connected with a liquid outlet of a flotation tank; a liquid outlet pipeline of the pressure pump and a liquid outlet pipeline of the water jet machine are respectively connected with a liquid inlet of a dissolved air tank; a liquid outlet pipeline of the dissolved air tank is connected with the floatation tank; an infusion pipeline of a dosing tank is connected with the flotation tank through a dosing pump; and a sediment scraper is arranged on the flotation tank. According to the invention, the desulfurization waste liquid containing a surfactant is pressurized and subjected to air dissolution and is released at reduced pressure through an aeration head, then, air bubbles formed by the surfactant can be used for efficiently adsorbing and separating organic matters, suspended solids and metal ions, and dross can be removed by the sediment scraper, so that the aim for pre-treating the waste liquid is achieved. The coking desulfurization waste liquid pretreatment device is low in byproduct yield and capable of avoiding generating a great number of active carbon wastes in an active carbon decoloring technology, and has the advantages of simple structure and good use effect.

The invention relates to the technical field of metering pumps, in particular to a valve limiting sleeve and a split type valve limiting sleeve. The valve limiting sleeve comprises a valve sleeve, a valve cover and an overflowing limiting component; the valve sleeve is a cavity used for containing a valve ball, and a gap is reserved between the valve ball and the valve sleeve; the overflowing limiting component is detachably mounted at one end of the valve sleeve and limits the take-off height of the valve ball; the overflowing limiting component is provided with a through hole communicating with the cavity, and the through hole is matched with the valve ball to be used for limiting the flowing direction of a medium flowing through the cavity; and an adjusting element is installed at the joint of the valve sleeve and the overflowing limiting component and used for adjusting the take-off height of the valve ball. The valve limiting sleeve has the beneficial effects that the valve limiting sleeve is formed by assembling a plurality of components, so that a traditional valve limiting sleeve is changed into a plurality of detachably mounted components, the machining time is saved, raw materials are saved, the difficulty of a machining process is also reduced, installation, replacement and maintenance are convenient, and the application range is wide.