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.

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.

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 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 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 expansion device, which comprises a sliding end displacement device, a fixed end displacement device, and a seam-spanning beam; both ends of the seam-spanning beam are installed on the sliding end displacement device, the fixed end On the position device; the sliding end displacement device includes the sliding end base, the rear seat, the guide plate, the guide sleeve rail, the rotating ball crown, the rotating ball seat, the leading guide sleeve of the sliding end, the cover plate; the guide pressing plate and the sliding end base Fix the guide rail, rotating spherical crown, rotating ball seat, and the front guide sleeve of the sliding end on the base of the sliding end; The positioning device is composed of the fixed end base, the fixed end front guide sleeve, the fixed end rear guide sleeve, the fixed end cover pressing plate, the rotating ball crown and the rotating ball seat; . The invention improves the driving comfort, reduces the structural size of the bridge expansion joint installation groove, reduces shock and noise, and is convenient for installation, replacement and maintenance.

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 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 an air inflation switch device with temperature rise current exceeding 4000 A. The air inflation switch device comprises a front cabinet, a middle cabinet, a rear cabinet and an air box, a first air inlet is formed in the top of the front cabinet, a second air inlet is formed in a rear end plate of the rear cabinet, and height differences exist between two side plates of the front cabinet, the middle cabinet and the rear cabinet and two side plates of the air box to form concave parts. Heat dissipation plates are arranged on two side plates and a top plate of the air box, a first opening is formed in the front side face of the concave portion, a first fan is installed on the rear side face of the concave portion, and an air outlet is formed in the position, higher than the top plate of the air box, of the front end plate of the rear cabinet and provided with a second fan. A cover plate for sealing the concave part is mounted at the edge of the concave part, so that a heat dissipation channel is formed in a space between the gas tank side plate and the cover plate; and a space above the gas tank top plate and between the front cabinet and the rear cabinet is an open space. According to the invention, the heat dissipation effect is improved, the safe and stable operation is still realized when the temperature rise current exceeds 4000 A, the service life is prolonged, the maintenance is convenient, and the device can be formed by transforming the existing gas-filled switch equipment, and is economical.