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128results about How to "Easy speed adjustment" patented technology

Method for testing liquid lubrication machine seal sealing performance and devices thereof

Provided are a method for testing the liquid lubrication machine seal sealing performance and devices thereof. The method comprises the steps of adding a sealing medium to a liquid storage tank, starting a compressor to supply pressure to sealing pressure, starting a circulating pump and measuring the temperature, the leakage rate and the friction torque of an end face through a thermocouple sensor, an electronic analytical balance and a pressure sensor respectively. The devices of the method comprise a sealing device, a driving device, an auxiliary device and a testing device. The sealing device includes a sealing cavity with sealing liquid inlet and outlet, and movable assemblies and static assemblies which are installed in the sealing cavity; the driving device includes a bracket, a motor, a synchronous belt wheel, a synchronous belt, a rotating shaft and a bearing box; and the testing device includes a dowel bar, a pressure sensor, a thermocouple sensor, an electronic balance and a computer. The method and the devices have the following advantages: friction torque, temperature rise and leakage rate of various sealing end faces can be acquired accurately, conveniently and automatically; vibration and noise are low; and the structure is compact and disassembly and assembly alignment is convenient.
Owner:ZHEJIANG UNIV OF TECH

Fruit and vegetable dicing equipment

InactiveCN108406921AEasy to adjust the speedImprove stabilitySievingScreeningGear wheelElectric machinery
The invention discloses fruit and vegetable dicing equipment comprising a machine body. The upper portion of the machine body is internally provided with a transmission cavity, a dicing cavity and a falling cavity from left to right in sequence; a motor is arranged on the left side of the upper end of the machine body, the motor is connected with a first rotating shaft through a speed reducer arranged at the top end of the transmission cavity, the first rotating shaft extends to the bottom of the transmission cavity to be connected with the input end of a gearbox set, and the middle of the first rotating shaft is provided with a cam; a pushing plate is arranged on the inner left side of the dicing cavity, the pushing plate is connected with a jacking block in the transmission cavity through a pushing rod, and the jacking block abuts against the cam; a guiding sleeve allowing the pushing rod to pass through is arranged between the dicing cavity and the transmission cavity, and a reset spring is arranged on the position, between the guiding sleeve and the jacking block, of the pushing rod in a sleeving mode; and the upper end of the dicing cavity is provided with a feeding inlet extending out of the machine body. The fruit and vegetable dicing equipment is convenient to use, dicing operation of fruits and vegetables can be automatically completed, and the dicing efficiency is greatly improved.
Owner:安徽省宇洲食品有限公司

Rotation speed control method for fan of air-cooling refrigerator

The invention discloses a rotation speed control method for a fan of an air-cooling refrigerator and relates to the technical field of rotation speed control for fans of air-cooling refrigerators. Therefrigeration fan, a control unit and a compressor running parameter collection module are included; the control unit is electrically connected with the compressor running parameter collection moduleand the refrigeration fan; the compressor running parameter collection module is electrically connected with a compressor; and the control unit is used for dynamically adjusting the rotation speed ofthe refrigeration fan according to changes of the compressor running power. By controlling the rotation speed of the compressor to be unchanged, the rotation speed of the refrigeration fan is adjusted to make the overall energy consumption be minimum. The running power of the compressor is obtained as reference power Pc, the reference rotation speed Vf of the refrigeration fan is obtained, and the controller adjusts the rotation speed of the refrigeration fan according to the current compressor rotation speed and the ratio of the actual running power to the corresponding reference power. Therefrigeration fan rotation speed adjusting method is simple, various conditions such as environment temperature, set temperature and temperature difference do not need to be judged, energy consumptionis saved, and overall noise of the refrigerator is effectively reduced.
Owner:CHANGHONG MEILING CO LTD

Mine trackless transport engine

The invention relates to a mine trackless transport locomotive used for underground subsidiary transport, which comprises a pre driver chamber and a post driver chamber, a driving device, a battery, a load-bearing wheelbarrow, a hoist apparatus, a hydraulic system, an electrical control system, etc. A traction motor in the driving device and a hydraulic pump motor of the hydraulic system both adopt three-phase AC motors, which are provided with AC by the battery through a transducer. The electrical control system comprises of a programmable controller, the transducer, a speed and direction sensor, a pressure sensor, a photoelectric conversion isolation plate, a dashboard, a display board, an intrinsic safety power source, an explosion septal and intrinsic safe electric control box, etc. The traction motor of the trackless motor and the hydraulic pump motor adopt alternating current motors which have the advantages of light weight, small size, low price, convenient maintenance and wide application. The direct current in the battery is transferred into three-phase alternating current by the transducer to reduce attack of starting current on the motors and the battery, prolong the service life of the motors and improve power factor. When the transport locomotive is running declivous, the kinetic energy can be transferred into electric power to charge the battery, so as to realize power regenerative braking.
Owner:佟强

Full-automatic robot for cleaning garbage on water

ActiveCN106013023ARealize multifunctionality of one machineHigh degree of intelligenceWater cleaningWaterborne vesselsRefuse collectionFixed frame
The invention relates to a full-automatic robot for cleaning garbage on water. The full-automatic robot for cleaning the garbage on water comprises a rack, a pneumatic reversing device, charging dumping devices, garbage stopping doors, a filtering net, air barrels and fixing buckles, wherein rectangular fixing frames are symmetrically arranged at the left side and the right side of the rack; the middle part of the rack consists of an upper layer and a lower layer; the upper layer of the rack is of a semi-cylindrical housing structure of which the upper end is opened; the pneumatic reversing device is positioned at the lower rear end of the middle part of the rack; the charging dumping devices are correspondingly positioned in rectangular frame bodies at the left side and the right side of the rack; the garbage stopping doors are correspondingly positioned in front of the rectangular frame bodies at the left side and the right side of the rack; the filtering net is mounted in the upper layer of the semi-cylindrical housing structure of the rack; the air barrels are symmetrically positioned at the left side and the right side of the rack and are connected to the rack through the corresponding fixing buckles. The full-automatic robot for cleaning the garbage on water integrates the garbage collecting performance, the garbage dumping performance and the garbage storing performance, so that the robot is multifunctional; in addition, the full-automatic robot is high in intelligence degree, can fully automatically clean the garbage floating on water, and is high in working efficiency and good in cleaning effect.
Owner:江苏弘汉生物科技有限公司

Device for testing thermal state characteristics of feeding system

The invention relates to a device for testing the thermal state characteristics of a feeding system. The device for testing the thermal state characteristics of the feeding system comprises a base experiment table, a servo motor, a motor base, a coupler, a right bearing seat, a right bearing assembly, a ball screw, a lead screw nut base, a lead screw base, a working table, a rolling guide rail, a wedge-shaped block, a rolling guide rail sliding block, a left bearing seat, a left bearing assembly, an axial pre-stretching device, a PC, a pressure sensor, a thermal resistance sensor, an infrared thermometer, a chromatic dispersion confocal displacement meter, a force sensor displayer, a thermal resistance sensor displayer, a servo amplifier and the like. The device for testing the thermal state characteristics of the feeding system has the advantages that the mechanical structure is simple, the testing principle is distinct and the testing precision is high, angular contact ball bearings with different diameters and ball screws can be adopted for testing for various feeding systems, real-time working conditions such as the axial force and the rotation speed are simulated, and the temperature field and the axial thermal displacement of the feeding system are tested.
Owner:NANJING UNIV OF SCI & TECH

Conveniently-cleaned recovery treatment apparatus for rare earth waste liquid

The invention relates to a recovery treatment apparatus, and especially relates to a conveniently-cleaned recovery treatment apparatus for a rare earth waste liquid. A technical problem to be solved in the invention is to provide the conveniently-cleaned recovery treatment apparatus for the rare earth waste liquid. The conveniently-cleaned recovery treatment apparatus for the rare earth waste liquid, provided to solve the technical problem, comprises a filtering cylinder, a sweeping device and a conveying and cleaning device; and the conveying and cleaning device is arranged at the left side of the filtering cylinder, a filter screen is arranged in the filtering cylinder, the filter screen is made of a steel wire mesh, the filter screen is positioned above the sweeping device, and the leftend of the top of the filter screen is connected with the right lower end of an L-shaped connecting rod in a welding manner. The conveniently-cleaned recovery treatment apparatus for the rare earth waste liquid has the advantages of convenience in cleaning of the filtering cylinder and the filter screen, high cleaning efficiency and good cleaning effect through combining the filtering cylinder, the sweeping device and the conveying and cleaning device.
Owner:JIAN XINTAI TECH

High-rise escape device capable of adjusting speed easily

InactiveCN101947365AEasy to achieve recurring useIncrease profitBuilding rescueHydraulic cylinderReciprocating motion
The invention discloses a novel high-rise escape device. The novel high-rise escape device comprises a rope-winding device, a hydraulic passage device, a connecting device and a clamping device, wherein the rope-winding device and the hydraulic passage device is fixedly connected to the upper part of the clamping device; and the rope-winding device is connected with the hydraulic passage device through the connecting device. The novel high-rise escape device adopts a pure mechanical structure device and has the advantages of light weight, flexibility, simple operation and capacity of excellently fulfilling a high-rise escape task in the period of a fire disaster. An escape rope is wound on a shaft, and drives a main shaft to rotate in a descending process; the main shaft drives two hydraulic cylinders to do straight reciprocating motion through a crank sliding block mechanism in a rotating process; a passage which is filled with liquid is formed by the two hydraulic cylinders, a damping pipe and a valve; the liquid does reciprocating motion along with the motion of pistons of the hydraulic cylinders; the liquid flows through a damping sheet and the valve during the motion; and the flowing speed of the liquid in a flowing process is controlled well through the damping action of the damping sheet and the flow limiting action of the valve, so that the aim of slowing down the descending speed is fulfilled.
Owner:NANJING UNIV OF SCI & TECH

Horizontal slurrying device for rare earth mineral

The invention relates to a slurrying device, in particular relates to a horizontal slurrying device for rare earth mineral. The technical problem to be solved is to provide the horizontal slurrying device for rare earth mineral. In order to solve the problem, the invention provides the horizontal slurrying device for rare earth mineral. The device comprises a stirring barrel, a conveying device, a rotation device, a water inlet pipe, a water inlet valve, a discharging pipe and the like, wherein the conveying device is arranged on the left side of the stirring barrel; the rotation device is arranged on the right lower part of the stirring barrel; the right part of the top of the stirring barrel is welded with the water inlet pipe; a water inlet valve is mounted on the water inlet pipe; the right part of the bottom part of the stirring barrel is welded with the discharging pipe; a discharging valve is mounted on the discharging pipe; and a material collection cylinder is arranged under the discharging pipe. According to the horizontal slurrying device for rare earth mineral provided by the invention, a separation structure of the conveying device and the stirring barrel is adopted, so that the using of components is reduced, the structure is simple, and the maintenance and the repair are convenient.
Owner:承德市创远科技开发有限公司

Double-acting forging tool for all-fiber crankshafts and forging method thereof

A double-acting forging tool for all-fiber crankshafts comprises a base, upper die block fixing plates, lower die block fixing plates, a convex die, upper die blocks and lower die blocks. The base is fixedly arranged on a work table. The upper die block fixing plates comprise the upper left die block fixing plate and the upper right die block fixing plate and are movably connected with an upper die frame through connecting rods and pin shafts. The lower die block fixing plates comprise the lower left die block fixing plate and the lower right die block fixing plate and are movably connected with the upper die block fixing plates through square keys. The convex die is connected with a middle punching cylinder of a double-acting hydraulic machine. The upper die blocks comprise the upper left die block and the upper right die block. The lower die blocks comprise the lower left die block and the lower right die block. A die cavity is formed between the upper die blocks and the lower die blocks. A forging method of the double-acting forging tool for the all-fiber crankshafts is adopted, the upsetting speed and the bending speed are regulated by driving a movable cross beam and the punching cylinder through a die closing cylinder of the double-acting hydraulic machine, and therefore speed regulation is easy. In addition, the tool is simple in structure and convenient to assemble and disassemble, volume production can be easily achieved, and the production efficiency can be improved.
Owner:SHANGHAI DIANJI UNIV

Method for manufacturing aluminum-silicon target material

The invention relates to a method for manufacturing an aluminum-silicon target material. The method comprises the following steps of: providing an AlSi ingot casting step, a drawing step, a primary upsetting step, an intermediate heat treatment step, a secondary upsetting step, a preheating treatment step, a calendaring step and an annealing heat treatment process step, wherein cold drawing operation is used in the drawing step, and a forging ratio X1 in the cold drawing operation is gerater than or equal to 1 and less than 2; in the primary upsetting step, a forging ratio X2 is greater than or equal to 2 and smaller than 3, and cold heading operation is used for primary upsetting; in the intermediate heat treatment step: a product is kept within a first preset temperature range, and is quickly put into cold water after being subjected to heat preservation for first preset time; in the secondary upsetting step, a forging ratio X3 is greater than or equal to 2 and smaller than 3, and cold heading operation is used for secondary upsetting; in the calendaring step: multi-pass calendaring is performed on the product, and reducing rolling reduction along with increase of calendaring passes; and in the annealing heat treatment process step: in an annealing temperature range, heat preservation is performed for third time, and water cooling treatment is performed to form a final targetproduct. According to the method, the forging ratio is reasonably controlled, water cooling is adopted for cooling, so that Si element precipitation is reduced, and therefore the microstructure and the machining performance of the target material are guaranteed.
Owner:爱发科电子材料(苏州)有限公司

Extrusion granulation equipment for plastic recycling and processing and operation method thereof

The invention discloses extrusion granulation equipment for plastic recycling and processing. The equipment comprises a bearing frame body, a granulation mechanism and a cutting collection device. Thegranulation mechanism comprises a water cooling device, a screw rod device and an extrusion device, the screw rod device comprises a screw rod, one end of the screw rod is connected with the output end of a cycloidal pin wheel speed reducer through a coupler, the screw rod is positioned in a cylindrical shell, and the cylindrical shell is fixed on a second vertical plate in a penetrating manner;the extrusion device comprises an orifice plate, the orifice plate is embedded on the inner surface of the circumferential side of the cylindrical shell, extrusion holes are uniformly formed in the surface of the orifice plate, plastic is extruded through the extrusion holes to form strips, and then the strips enter the cutting collection device through a granulation plate to be cut into granules.After the screw rod is connected with the cycloid pin wheel speed reducer, the rotating speed of the screw rod is conveniently adjusted, the rotating speed of the screw rod influences the advancing speed and the mixing degree of plastic, waste plastic can be extruded in one step and cut into granules, the automation degree is high, the granulation efficiency is high, the investment cost of enterprises is reduced, and the benefits are improved.
Owner:界首市云锋再生资源有限公司

Pneumatic dedusting device

The invention provides a pneumatic dedusting device which comprises a barrel welded to the upper end of a shell. A rotary shaft is arranged in a hollow inner cavity of the shell. A sealing piece is installed between the rotary shaft and the shell. A bearing arranged on the rotary shaft in a sleeving mode is installed on the shell. A plurality of impellers are fixedly connected to the rotary shaft. A gas inlet communicates with a gas tube. A valve is installed on the gas tube. A groove is formed in a turnplate. A screw is installed at the upper end of the turnplate. The pneumatic dedusting device is simple in structure, high-pressure flowing gas is utilized for blowing the impellers to drive the rotary shaft and the turnplate on the rotary shaft to rotate at a high speed, a filter rotates at a high speed while conducting flushing with the high-pressure gas, and the high-pressure gas can cover the surface of the filter quickly; when the filter rotates, impurities inside the filter are hard to gather to the surface of the filter due to the effect of centrifugal force, and the high-pressure gas can quickly blow off the remnant impurities inside the filter; and the cleaning and dedusting efficiency is high, energy is saved, the environment is protected, and the rotating speed is convenient to adjust.
Owner:天津恩卓尼尔科技有限公司

Continuous material flow collecting and conveying device based on special-shaped screw rods

The invention belongs to the technical field of material packaging and conveying equipment, and provides a continuous material flow collecting and conveying device based on special-shaped screw rods. The device comprises a feeding conveying belt, a discharging conveying belt, an introduction screw rod and a flow collecting screw rod; the introduction screw rod is the special-shaped screw rod which is located on one side of the upper end of the feeding conveying belt and is parallel to the feeding conveying belt, the flow collecting screw rod is the special-shaped screw rod which is located on one side of the upper end of the discharging conveying belt and is parallel to the discharging conveying belt, two rows of same-shape parallel conveyed materials are input from one ends of the two special-shaped screw rods, along with changes of the screw pitches and the groove depths of the two special-shaped screw rods, the two rows of parallel materials are collected into one row alternatively, and the materials are output of the other end of the flow collecting screw rod; the screw rod rotating speed is adjusted according to the production requirement, the device is matched with a production line, and the whole process is high in speed and stable, and free of motion rigid impact; modular design is adopted in the device, and the beneficial effects of being low in cost, simple and compact in structure, convenient to mount and debug, efficient, stable in performance and the like are achieved.
Owner:YANSHAN UNIV

Automatic plastic bag adsorption and separation device

The invention provides an automatic plastic bag adsorption and separation device. The automatic plastic bag adsorption and separation device comprises a manipulator, an adsorption mechanism and a separation mechanism, wherein the adsorption mechanism comprises a connection protection cover, a spring, a pressing board, an adsorption piston barrel, an adsorption piston rod, an adsorption suction cup and an adsorption piston rod drive unit; the connection protection cover is connected and fixedly installed on the manipulator through threads and can be driven by the manipulator to rotate; after the connection protection cover rotates, the adsorption mechanism and the separation mechanism are opposite; the separation mechanism comprises a machine shell, a square barrel, a fixing piston barrel, a separation piston rod, a separation suction cup, a square barrel drive unit and a separation piston rod drive unit. A plastic bag is adsorbed by the adsorption mechanism, the adsorption mechanism and the plastic bag can rotate by 90 degrees through the manipulator, and the separation mechanism separates the plastic bag; after the plastic bag is separated, the suction of the suction cup disappears, and the plastic bag automatically falls off. The automatic plastic bag adsorption and separation device is simple in structure, convenient to operate, high in working efficiency, capable of completely replacing a manual plastic bag separation mode, and capable of being embedded into an assembly line for packaging working.
Owner:WENZHOU UNIVERSITY
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