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36results about How to "Strong self-control" patented technology

Enclosed return circuit hydraulic beam-pumping unit utilizing frequency conversion technology

This invention publicized one kind to use the frequency conversion technology closed type the return route hydraulic pressure pumping unit The application frequency conversion technology control motor rotational speed, the control pumps the output current capacity, then the control pumping unit running rate, may enable the oil pump the dynamic coordination, the production increase, the energy conservation obvious: The frequency conversion velocity modulation can provide the current capacity according to the system demand the low overflow loss, how regardless of the load does change, the output all can adapt the load request change, has very strong automatic control About the use the limit switch, the speed, the position transmitter and so on, through the controller, the frequency changer realization to the electric motor and the control valve electro-magnet and so on the vector transformation control technology, the realization overloads, crosses the electric current, overvoltage, the instant loses speed and so on the protection function This invention from enhances the pumping unit the overall efficiency to embark, in reduces the pumping unit the installing equipment power, effectively uses the pumping unit under good energy at the same time, maximum limit enhances the hydraulic pump and the electrical machinery efficiency This pumping unit may widely apply to the oil field extraction
Owner:ZHEJIANG UNIV

Cutting method for lavenders

The invention provides a cutting method for lavenders. The cutting method includes the following steps that first, grass-charcoal earth, vermiculite and countryside soil are evenly mixed to serve as a cutting medium, and then the cutting medium is loaded into nutrition cups respectively, watered thoroughly through 100-fold carbendazim, disinfected and sterilized; cutting branches are selected and treated; cutting is performed; seedlings are hardened; seedling emerging is performed; when the cutting seedlings grow to have three or more lateral branches, the seedlings can emerge to be transplanted to a field after root systems huddle. Compared with the prior art, the temperature of the cutting environment is controlled to be about 25 DEG C, humidity is controlled to be above 75%, and therefore the survival rate of cutting reaches about 90% for the lavenders. Intensive management is adopted, so that management is convenient; the cutting method is not affected by weather and is high in automatic control; the occupied area is small; the age of the seedlings is shortened, and seedling-cultivating time is shortened.
Owner:SICHUAN ZIYINGTIANTANG VANILLA TECH DEV CO LTD

Process and complete-set apparatus for oil gas recovery and treatment

The invention relates to a process and complete-set apparatus for oil gas recovery and treatment. The complete-set apparatus for oil gas recovery and treatment comprises an oil gas collection device, a buffer gas-mixing tank, a vacuum pump, membrane assembly, a compression and condensation unit, a gas-liquid separation tank, a tube array heat exchanger, and a catalytic oxidation reactor. The process comprises that oil gases successively enter the buffer gas-mixing tank, a compressor and the compression and condensation unit; the compressed and condensed oil gases enter the gas-liquid separation tank for gas-liquid separation, and a gas phase is subjected to membrane separation in the membrane assembly; gases located at the permeate side of the membrane assembly pass through the vacuum pump, and then is compressed and condensed again; the concentration of the oil gases in gases located at the retentate side of the membrane assembly is reduced, and discharging is directly performed after the oil gas concentration reaches a standard; and if the concentration of the oil gases in the gases located at the retentate side still exceeds the standard, the gases enter the tube array heat exchanger to exchange heat with oil gases which are subjected to catalytic oxidation in the catalytic oxidation reactor, and the gases subjected to heat exchange enter the catalytic oxidation reactor, catalytic oxidation is performed under the action of a catalyst for removing organic materials in the gases, and at last discharging is performed after the oil gas concentration reaches the standard. The process and complete-set apparatus for oil gas recovery and treatment realize the high-efficiency recovery and treatment of the oil gases, and have certain industrial application prospect.
Owner:CHINA PETROLEUM & CHEM CORP +1

Large-scale public building intelligent heat supply adjustment and control system based on solar energy

The invention relates to a large-scale public building intelligent heat supply adjustment and control system based on solar energy. The system comprises a fan coil, a solar energy groove type heat collector, a phase change energy storage water tank, a compressor, an evaporator, an expansion valve, a condenser, a water segregator, a water collector and an intelligent control unit. The system is simple in structure, efficient in operation and great in self-controllability; office staff can independently operate and adjust the system according to the condition, the thermal comfort degree of the indoor staff is raised, and the system can operate efficiently and reasonably; the system is low in operation cost, and an air source heat pump system is replaced with the phase change energy storage water tank at night, and operating cost of equipment is greatly lowered; and the system is wide in application scope and can be applied to villas, residential housing and the like, and the market requirement can be well met.
Owner:HEBEI UNIV OF TECH

Building material transporting device

Disclosed is a building material transporting device. The building material transporting device comprises a base plate and a top plate, wherein the base plate is fixedly installed on the ground, and the top plate is fixedly installed on the roof of a building. Two guide rods and a lifting threaded rod are fixedly installed between the base plate and the top plate, wherein the guide rods are symmetrical in a left-and-right mode, and the lifting threaded rod is located between the guide rods. A lifting frame is installed on the lifting threaded rod, and guide holes are symmetrically formed in the left side and the right side of the lifting frame, and matched with the guide rods. Guide sleeves are further installed on the guide rods in a sliding mode, and the upper ends of the guide sleeves are fixedly connected with the lower end of the lifting frame. A triangular plate is further fixedly installed between the front ends of the guide sleeves and the bottom end of the lifting frame, and a transverse groove and a longitudinal groove which is communicated with the transverse groove are formed in the triangular plate. A sliding plate is installed in a cavity of the lifting frame in the mode that the sliding plate can slide up and down. Sliding grooves which extend in a front-and-rear mode are formed in the guide sleeves, sliding frames are installed in the sliding grooves in a sliding mode, empty grooves which allow the guide rods to pass through are formed in the sliding frames, the rear end wall of each empty groove is set to be an arc-shaped surface, and arc-shaped friction plates are fixedly installed on the arc-shaped surfaces.
Owner:梧州理想科技有限公司

Multifunctional waveguide aerator

The invention discloses a multifunctional waveguide aerator, which comprises an air path system and an electric circuit board that are arranged in an external shell. The air path system comprises an air compressing and filtering device, an air drying device, an air conveying device and an electromagnetic valve; an electronic steering switch, a signal generator, a pressure sensor, a signal amplifier, a dual-limit comparer and a controller are arranged on the electronic circuit board, wherein the pressure sensor is used for detecting the pressure of air conveyed by the air conveying device; and the air path system also comprises an environment condition detection unit, an alarm unit and an intelligent analysis unit, wherein the intelligent analysis unit is used for carrying out comprehensive analysis on signals detected by the environment condition detection unit and the pressure sensor and adjusting pressure upper-limit and lower-limit control parameters of the controller according to the analysis result. The multifunctional waveguide aerator has the advantages of reasonable structure and design, stable working performance, safety, reliability, high intelligence degree, simpleness and convenience for operation and automatic pressure limiting function and can be used for effectively overcoming multiple defects of the traditional waveguide aerator.
Owner:XIAN JIAODA KAIDA NEW TECH

Aluminizing furnace

The invention relates to an electric furnace, in particular to an alumetized furnace which is specially used for iron pan alumetized compound bottom. In order to solve the technical problems, the invention adopts the technical proposal that the alumetized furnace is specially used for iron pan alumetized compound bottom, and is characterized by comprising an external body, an electric furnace flue arranged inside the external body, an electric furnace wire groove positioned on the outer wall of the electric furnace flue, electric furnace wires wound inside the electric furnace wire groove, a plurality of heat transferring holes which are evenly distributed in the electric furnace wire groove, and a temperature controller connected with connectors of the electric furnace wires by electric wires. The alumetized furnace has the advantages of high temperature resistance, uniform temperature between the top and bottom of the flue, strong automatic control and humanized operation.
Owner:王新田

Traditional Chinese medicine for treating alcohol dependence disease

The invention discloses a traditional Chinese medicine for treating alcohol-dependent diseases, which is a decoction made of the following raw materials in weight proportion: 30 lily, 15 curcuma, 10 schisandra, 30 mulberry, 12 citrus aurantium, divine music 30, polygala 12, keel 30, salvia miltiorrhiza 15, oyster 30, uncaria 10, gardenia 10, licorice 10, Yizhiren 30, Alisma 15, mother of pearl 30, calamus 15, soybean yellow roll 50; selected in the present invention Pure natural traditional Chinese medicine raw materials, each component conforms to the regulations of the drug administration law, utilizes the comprehensive effects of various traditional Chinese medicines, has the effect of curing alcohol-dependent diseases, has no chemical sweeteners, and is non-toxic and harmless to the human body; No bitterness, easy to take. After years of clinical observation and selection of cases, 10 days is a course of treatment, 2 times a day, 50ml each time, nearly 1,000 patients have been cured, and it is effective when the body is fully recovered, and the total effective rate is 99%. The medicine of the invention can be widely used in clinical treatment of alcohol-dependent diseases.
Owner:王相立

Remote-controlled omnidirectional mobile manipulator and control method thereof

The invention provides a remote-controlled omnidirectional mobile manipulator and a control method thereof, and relates to the field of a remote-controlled manipulator. The invention aims at solving the problems that a conventional mobile robot is large in size and poor in flexibility of directional walking and controllability and can not realize multi-node networking. A three-axis acceleration sensor of a remote controller is swung and collects three-axis motion data; a second microprocessor is used for sending the three-axis motion data to a first microprocessor; the first microprocessor is used for controlling four omnidirectional wheels according to the received three-axis motion data, so that the remote-controlled omnidirectional mobile manipulator moves; a key is pressed and sends a motion control signal to the first microprocessor through the second microprocessor, the first microprocessor controls an infrared obstacle avoidance module to detect the position of an obstacle and controls a three-degree-of-freedom grabbing manipulator to swing and grab the obstacle according to the position of the obstacle and the received motion control signal. The swinging remote-controlled device can be used for remotely controlling the manipulator.
Owner:HEILONGJIANG UNIV

A multi-element heating method for a vacuum diffusion brazing furnace

The invention provides a diversified heating method for a vacuum diffusion brazing furnace and belongs to the technical field of brazing. The diversified heating method for the vacuum diffusion brazing furnace adopts ternary heating modes: resistance heating, induction heating and furnace body temperature control. In the induction heating mode, an induction coil is adopted to heat. In the furnace body temperature control mode, a heating element in the furnace body is used to heat, so that beneficial effects are obtained. By performing heating treatment by adopting the brazing furnace, the heat conductivity is high, heat is quickly diffused, the heating speed can be remarkably improved, and the heat conductive efficiency is improved. Meanwhile, after annealing / diffusing, the performance index of a heated workpiece is higher.
Owner:ZHENGZHOU UNIVERSITY OF AERONAUTICS

Camera system and control method for time-sharing multi-spectral imaging control of staring space camera

The invention discloses a camera system and a control method for time-sharing multi-spectral imaging control of a staring space camera. Four basic imaging modes including single spectral single imaging, single spectral continuous imaging, whole spectral single imaging and whole spectral continuous imaging are set in the staring space camera provided with a variable band light filtering device, so as to cooperate with a satellite platform to realize various kinds of earth observation modes. The variable band light filtering device, a focal plane assembly and a signal processing device of the camera are controlled by using a controller in the camera to implement the four basic imaging modes according to set working procedures. Compared with the prior art, the camera autonomous control ability is high, the control equipment required by the camera system is few, the synchronization precision of mechanism action and imaging control is high, the imaging control modes are concise, flexible and diverse and comprehensive in coverage, the camera system can be matched and combined with the operating modes of the satellite platform simply and reliably to implement various types of earth observation tasks, and the control method can serve as the most fundamental time-sharing multi-spectral imaging control method of a static-orbit staring space camera.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Building material transport device

A building material transport device comprises a base board fixedly installed on the ground, and a top board fixedly installed on a roof; two guide rods in bilateral symmetry and a lifting threaded rod located between the two guide rods are fixedly installed between the base board and the top board; a lifting frame is installed on the lifting threaded rod; guide holes are formed in the left and right sides of the lifting frame symmetrically; the guide holes and the guide rods are matched; guide sleeves are installed on the guide rods in a sliding mode; the upper end faces of the guide sleeves and the lower end face of the lifting frame are fixedly connected; a triangular board is fixedly installed between the front end of each guide sleeve and the bottom end of the lifting frame and internally provided with a transverse groove and a longitudinal groove communicating with the transverse groove; a sliding board is installed in a cavity of the lifting frame in a vertical sliding mode; the guide sleeves are internally provided with sliding grooves extending front and back; a sliding frame is installed inside each sliding groove in a sliding mode and internally provided with a groove allowing the corresponding guide rod to penetrate through; the rear end wall of each groove is an arc face; and each arc face is fixedly provided with an arc friction plate.
Owner:梧州理想科技有限公司

Disc separation machine

The invention relates to a disc separation machine which mainly comprises an upper table seat and first guide rails connected with a trolley. The upper table seat is provided with a push cylinder connected with an extension block. A guide sleeve is installed at the lower portion of the trolley, a guide column is sleeved with the guide sleeve and fixedly connected with a carrying board, the carrying board is connected with a lifting cylinder, and limiting columns are installed on the periphery of the carrying board. A lifting frame is welded to the upper table seat, a supporting table is arranged at the middle end of the lifting frame and provided with a receiving groove, an electromagnet is arranged on one side of the receiving groove, a guide rail platen frame is arranged on the receding groove, second guide rails are arranged at the left end of the guide rail platen frame and connected with an elevating seat, the elevating seat is provided with an elevating cylinder and thin guide columns, the elevating cylinder is connected with a cross, and three suckers are installed at the lower end of the cross. Carrier rollers are installed at the rear end of the supporting table. Distance sensors are installed at the rear portion of the lifting frame. By the adoption of the disc separation machine, disc parts can be separated through low cost, the separation accuracy is high, an operation mode is simple, and the automation degree is high.
Owner:ANHUI PULUN INTELLIGENT EQUIP CO LTD

Aluminizing furnace

The invention relates to an electric furnace, in particular to an alumetized furnace which is specially used for iron pan alumetized compound bottom. In order to solve the technical problems, the invention adopts the technical proposal that the alumetized furnace is specially used for iron pan alumetized compound bottom, and is characterized by comprising an external body, an electric furnace flue arranged inside the external body, an electric furnace wire groove positioned on the outer wall of the electric furnace flue, electric furnace wires wound inside the electric furnace wire groove, a plurality of heat transferring holes which are evenly distributed in the electric furnace wire groove, and a temperature controller connected with connectors of the electric furnace wires by electric wires. The alumetized furnace has the advantages of high temperature resistance, uniform temperature between the top and bottom of the flue, strong automatic control and humanized operation.
Owner:王新田

Exhausting and pressure stabilizing system of ternary battery anode material sintering atmosphere kiln

ActiveCN111895788AControl exhaustControl regulatorCell electrodesMaintainance of heating chambersThermodynamicsFlue gas
The invention relates to the technical field of battery material sintering and discloses an exhausting and pressure stabilizing system of a ternary battery anode material sintering atmosphere kiln. The system comprises an exhausting device, a flue gas automatic adjusting device and a flue gas extraction device which are connected successively. The exhausting device communicates to the kiln, a pressure detection device is further connected to the kiln, the pressure detection device is in signal connection to the flue gas automatic adjusting device, the pressure detection device monitors a pressure of the kiln in real time and provides flue gas excess flow guidance to the flue gas automatic adjusting device, the flue gas extraction device comprises an exhaust fan and a first pressure detector for detecting the pressure of the flue gas discharged by the flue gas automatic adjusting device, the first pressure detector is arranged between the exhaust fan and the flue gas automatic adjustingdevice, and the first pressure detector is in signal connection to the exhaust fan. Closed loop control is achieved on exhausting and pressure stabilizing. By monitoring the pressure of the kiln andfeeding the pressure back to the flue gas automatic adjusting device, the flue gas extraction device senses the pressure of the flue gas, and the exhaust fan adjusts the suction power, so that an advantageous atmosphere of the kiln is guaranteed.
Owner:HUNAN CHANGYUAN LICO CO LTD +1

Self-service lifting device for bridge maintenance

A self elevating device for bridge maintenance is provided. The self elevating device for bridge maintenance comprises a lower plate fixedly mounted on the surface of a bridge and an upper plate fixedly mounted on the top of the bridge, two corresponding guide connecting rods on the left and the right and a spiral rod located between the two guide connecting rods are fixedly arranged between the lower plate and the upper plate, an elevating platform is mounted on the spiral rod, guide connecting holes are formed in the left side and the right side of the elevating platform correspondingly, the guide connecting holes and the guide connecting rods are mutually matched, guide connecting sleeves are further mounted on the guide connecting rods in a sliding connection mode, and the upper end surfaces of the guide connecting sleeves are fixedly connected with the lower end surface of the elevating platform; and trilateral plates are fixedly mounted between the front ends of the guide connecting sleeves and the bottom end of the elevating platform, a horizontal groove and a vertical groove communicating with the horizontal groove are formed in each trilateral plate, a sliding connection plate is mounted in a containing cavity of the elevating platform in an up-down sliding connection mode, a sliding rail is arranged in the rear end wall of the containing cavity, and a tool case is mounted on the sliding rail in a left-right sliding connection mode.
Owner:XINJIANG BEIXIN ROAD & BRIDGE GRP +1

Lifesaving bed for earthquake occurrence

The invention relates to a lifesaving bed for earthquake occurrence. The lifesaving bed comprises a trigger and a bed body, wherein a mattress is horizontally placed in a cavity of the bed body; a pulley and a lock catch are arranged in the upper part of a back board of the bed body, respectively, and thrust springs are arranged on two sides of the back board of the bed body below the lock catch and the pulley, respectively; the middle section of the lower part of the back board of the bed body is connected to one side of a corresponding folding cover plate through a hinge; an elastic ropewinder is placed at one end in the behind bottom in the cavity of the bed body; the elastic ropewinder rolls one end of a pull rope while the other end of the pull rope bypasses the pulley in the upper part of the back board of the bed body and extends outward; the tail end of the extending pull rope is fixed on a paved surface outer hanging ring of the folding cover plate behind, and teeth of outer gear heads and teeth of double gear heads are embedded into corresponding outer chain tooth holes, respectively; and the trigger is connected to the below elastic ropewinder in the rear part in the inner cavity of the bed body through a steel stay wire.
Owner:陈仁火

Camera system and control method for time-sharing multi-spectral imaging control of staring space camera

A camera system and control method for time-sharing multi-spectral imaging control of a staring space camera, in which a single-spectrum single imaging, single-spectrum continuous imaging, and full-spectrum imaging are set in a staring space camera with a variable band filter device Four basic imaging modes of single imaging and full-spectrum continuous imaging are used to cooperate with satellite platforms to realize various earth observation modes. A controller is used in the camera to control the variable band filter device, focal plane assembly, and signal processing device of the camera to realize these four basic working modes according to the set workflow. Strong autonomous control capability, less control equipment required by the system, high synchronization precision between mechanism action and imaging control, simple, flexible and diverse imaging control modes, comprehensive coverage, and simple and reliable matching and combination with satellite platform working modes to achieve various types of ground-to-ground Observation tasks can be used as the most basic time-sharing multi-spectral imaging control method for staring space cameras in geostationary orbits.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Ternary battery cathode material sintering atmosphere kiln exhaust and voltage stabilization system

The invention relates to the technical field of battery material sintering, and discloses a ternary battery positive electrode material sintering atmosphere kiln exhaust and voltage stabilization system, including an exhaust device, an automatic flue gas adjustment device, and a flue gas extraction device connected in sequence, and the exhaust device Connected to the kiln, the kiln is also connected with a pressure detection device, the pressure detection device is connected to the signal of the automatic flue gas adjustment device, the pressure detection device monitors the kiln pressure in real time and provides guidance for the flue gas overflow to the automatic flue gas adjustment device, The flue gas extraction device includes an exhaust fan and a first pressure detector for detecting the pressure of the flue gas discharged through the automatic flue gas adjustment device. The first pressure detector is arranged between the exhaust fan and the automatic flue gas adjustment device. The first pressure The detector is connected to the exhaust fan signal. The closed-loop control of exhaust and voltage stabilization is realized. By monitoring the kiln pressure and feeding it back to the automatic flue gas adjustment device, the flue gas extraction device senses the flue gas pressure, and the exhaust fan adjusts the suction power to ensure a favorable atmosphere for the kiln.
Owner:HUNAN CHANGYUAN LICO CO LTD +1

Damp-proof medical cabinet

A damp-proof medical cabinet comprises a cabinet base fixedly assembled on a bottom part, and an assembly board fixedly assembled on a wall. Two sliding rods which are opposite in the left-right direction and a screw rod located between the two sliding rods are fixedly assembled between the cabinet base and the assembly board. A cabinet body is assembled on the screw rod. Sliding holes are oppositely formed in the left side and the right side of the cabinet body, and the sliding holes are matched with the sliding rods. A sliding sleeve is movably assembled on each sliding rod, the upper end face of each sliding sleeve is fixedly connected with the lower end face of the cabinet body, and a fixed board is fixedly assembled between the front end of each sliding sleeve and the bottom end of the cabinet body. A horizontal square groove and a vertical square groove communicating with the horizontal square groove are formed in the fixed board. A cabinet board is assembled in a cavity of the cabinet body in a vertically movable mode. A rear groove extending in the front-back direction is formed in each sliding sleeve, a movable board is movably assembled in each rear groove, a passage allowing the corresponding sliding rod to pass through is formed in each movable board, the rear end wall of each passage is designed to be a curved face, and a brake block is fixedly assembled on each curved face.
Owner:梧州市中盟贸易有限公司

Implementation method of master-controller-free heat exchange station house based on 5G communication

The invention discloses an implementation method of a master-controller-free heat exchange station house based on 5G communication, belongs to the technical field of heating, and aims to realize control without taking a single heat exchange station house as a minimum object but taking single station house terminal equipment as the minimum object and without depending on a heat exchange station house centralized controller. The method comprises a big data cloud platform, a 5G network and station house terminal equipment. The big data cloud platform is constructed on the basis of B / S, integratesHDFS, Yarn, Hive, Hbase, Spark, Flume, Sqoop and other open source big data component technologies in a Hadoop system, and supports data access, storage and processing capabilities; the 5G network isused for high-speed transmission of signals between the station house terminal equipment and the big data cloud platform, and can realize high-speed transmission of control commands and state feedback; and the station house terminal equipment is used for receiving the control instruction sent by the big data cloud platform. According to the implementation method of the master-controller-free heatexchange station house based on 5G communication, data interaction with the big data cloud platform is directly carried out through 5G network transmission, and equipment control over the heat exchange station house is achieved.
Owner:HENAN WANJIANG NEW ENERGY DEV CO LTD

An ultraviolet disinfection water treatment system and method for automatically adjusting ultraviolet irradiance

The invention discloses an ultraviolet disinfection water treatment system and method for automatically adjusting ultraviolet irradiance. A water quality detector, and the inner wall and top of the water treatment pool are respectively provided with several thin-wall retaining walls and steel frames, and the bottom of the steel frame is provided with several submerged ultraviolet lamps and ultraviolet sleeves. The water to be treated enters the water treatment tank from the water inlet pipe, and the water flows through the thin-walled retaining wall to form a large eddy current. The water flows through the disinfection treatment of each ultraviolet lamp, and finally flows out through the outlet pipe; through the ultraviolet radiation meter, online water quality detector and control computer automatic Two-way control of the power of the ultraviolet lamp, automatic cleaning of the ultraviolet lamp, high-efficiency, low-carbon, energy-saving disinfection. The invention can scientifically arrange and distribute ultraviolet lamps, thereby prolonging the disinfection time, further purifying the water body, and improving the working efficiency.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Garden rainwater collection and utilization device

The invention discloses a rainwater collecting and using device for gardens. The rainwater collecting and using device comprises a bracket and a water collecting hopper which is arranged at the top of the bracket, wherein a water collecting tank is arranged in the bracket; a watering conduit is arranged at the bottom of the bracket; a control water collecting hopper is additionally arranged on the bracket; a three-way control valve is fixed to a part where the watering conduit and the water collecting tank are connected; one end of the three-way control valve is connected to the control water collecting hopper by virtue of a horizontal pipe; a control flash board is arranged in the three-way control valve; a connecting ribbed rod is arranged in the horizontal pipe; a water-absorbing expansible rubber body is arranged in the control water collecting hopper; a funnel-shaped abutting body is arranged in the control water collecting hopper; a reset spring is arranged between the back side of the funnel-shaped abutting body and the inner wall of the control water collecting hopper; a sealed rubber covering layer is arranged on the back side of the funnel-shaped abutting body; and the back side of the funnel-shaped abutting body makes into contact with the inner wall of the control water collecting hopper by virtue of the sealed rubber covering layer. The rainwater collecting and using device provided by the invention is reasonable in structure setting, good in using stability, strong in self-control performance, high in rainwater collecting and using efficiency, strong in adaptability and good in practicability.
Owner:杭州中邦生态环境有限公司

Power line repair rising and landing device

An electric emergency repair lifting device, including a base plate fixedly installed on the bottom surface and a top plate fixedly installed on the high-altitude iron frame, two guide rods corresponding to the left and right are fixedly installed between the base plate and the top plate, and two guide rods The take-off and landing spiral rod between the guide rods is equipped with a landing platform, and the left and right sides of the landing platform are correspondingly provided with guide holes, and the guide holes are matched with the guide rods. A guide sleeve is also slidably installed, and the upper end surface of the guide sleeve is fixedly connected with the lower end surface of the lifting platform, and a wedge panel is fixedly installed between the front end of the guide sleeve and the bottom end of the lifting platform, and a transverse groove is arranged in the wedge panel And the vertical slot connected with the horizontal slot, the storage cavity in the lifting platform is equipped with a sliding plate that can slide up and down, the guide sleeve is provided with a sliding slot that extends forward and backward, and a sliding slot is installed in the sliding slot The sliding frame is provided with a hollow groove that allows the guide rod to penetrate, and the rear end wall of the hollow groove is set as an annular surface, and an annular pressing piece is fixedly installed on the annular surface.
Owner:广西博腾恒泰智能科技有限公司

Automatic control system of wind driven generator blade unloading device

The invention discloses a wind power generation device, and in particular relates to an automatic control system of a wind driven generator blade unloading device. In the automatic control system of the wind driven generator blade unloading device, the output ends of a wind speed detector (1) and a wind direction detector (2) are connected with the input end of a microprocessor (3); the output end of the microprocessor (3) is connected with the input end of a compression spring starting device (5); and the output end of the compression spring starting device (5) is connected with the input end of a steering linkage executing switch (4). The system can control the wind driven generator blade unloading device well and has the advantages of low cost, high self-control capacity, simple structure, convenience of production, installation and overhauling and sensitive response.
Owner:杨林荣

A three-dimensional positioning device for installing an automobile air duct

The invention discloses a three-dimensional positioning device for installation of an automobile air pipe. The three-dimensional positioning device comprises a positioning head, the lower end of the positioning head is connected with a positioning head control assembly, and the lower end of the positioning head control assembly is connected with a power assembly; a deviation correcting guide sleeve is arranged in a cavity of the positioning head control assembly, and an air pipe installation workpiece sleeve is fixedly arranged at the top end of the positioning head. In the whole installationand sleeving process, an expansion cavity in the positioning head is used for expanding and retracting, so that positioning of a workpiece is achieved. The designed expansion cavity is a completely symmetric cavity, so that the positioning extrusion force borne by the air pipe installation workpiece sleeve at the same time is completely the same, the stability of the workpiece in the positioning process is guaranteed, and the situation that the workpiece is damaged is avoided. The deviation correcting guide sleeve utilizes the advantages that a closed-loop system is fast in response and high in self-control capacity, and the characteristic that a closed-loop feedback system is matched with electromagnetic conversion is utilized, so that the situation that a coil group self-adjusts the deflection of a metal power connecting rod is achieved, and the precision of workpiece positioning is greatly improved.
Owner:芜湖众梦电子科技有限公司

Enclosed return circuit hydraulic beam-pumping unit utilizing frequency conversion technology

This invention publicized one kind to use the frequency conversion technology closed type the return route hydraulic pressure pumping unit The application frequency conversion technology control motor rotational speed, the control pumps the output current capacity, then the control pumping unit running rate, may enable the oil pump the dynamic coordination, the production increase, the energy conservation obvious: The frequency conversion velocity modulation can provide the current capacity according to the system demand the low overflow loss, how regardless of the load does change, the output all can adapt the load request change, has very strong automatic control About the use the limit switch, the speed, the position transmitter and so on, through the controller, the frequency changer realization to the electric motor and the control valve electro-magnet and so on the vector transformation control technology, the realization overloads, crosses the electric current, overvoltage, the instant loses speed and so on the protection function This invention from enhances the pumping unit the overall efficiency to embark, in reduces the pumping unit the installing equipment power, effectively uses the pumping unit under good energy at the same time, maximum limit enhances the hydraulic pump and the electrical machinery efficiency This pumping unit may widely apply to the oil field extraction
Owner:ZHEJIANG UNIV

A round cake splitting machine

The invention relates to a round cake splitting machine, which mainly includes an upper pedestal and a No. 1 guide rail, the No. 1 guide rail is connected with a trolley, the upper pedestal is equipped with a propulsion cylinder, and the propulsion cylinder is connected with an extension block; There is a guide column in the inner sleeve, the guide column is fixedly connected with the support plate, the support plate is connected with the lifting cylinder, and the limit column is installed around the support plate; There is an electromagnet on the side of the avoidance groove, and there is a guide rail platform frame on the avoidance groove. There is a second guide rail at the left end of the guide rail platform frame. , The lifting cylinder is connected with a cross, and three suction cups are installed at the lower end of the cross; rollers are installed at the rear end of the support table; distance sensors are installed at the rear of the high-lift frame. The invention can separate disc parts with low cost, high accuracy of separation, simple operation mode and high degree of automation.
Owner:ANHUI PULUN INTELLIGENT EQUIP CO LTD
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