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213results about How to "Adjust the rotation speed" patented technology

Biological pharmacy extraction liquid filtering device capable of easily realizing full stirring and grinding

The invention discloses a biological pharmacy extraction liquid filtering device capable of easily realizing full stirring and grinding. The filtering device comprises a tank body, wherein the lower surface of the tank body is provided with support legs; the upper surfaces of the support legs are connected with the lower surface of the tank body; the top end of the outer wall of the tank body is provided with a motor; the lower surface of the motor is connected with the upper surface of the tank body; the outer wall of the motor is provided with a belt; the inner wall of the belt is movably connected with the outer wall of the motor; the top end of the outer wall of the tank body is provided with a machine frame. The biological pharmacy extraction liquid filtering device capable of easilyrealizing full stirring and grinding has the advantages that through the matching of the motor, a rotating rod and a rotating shaft, under the driving of the belt, the motor is an alternating currentservo motor; the product quality of the biological pharmacy extraction liquid filtering device capable of easily realizing full stirring and grinding is improved; the procurement cost of users is reduced; the resource waste of the biological pharmacy extraction liquid filtering device capable of easily realizing full stirring and grinding is avoided; the biological pharmacy extraction liquid filtering device is suitable for being popularized and used.
Owner:浙江两山信息科技有限公司

Screw type buffer hinge

ActiveCN106761082AGuarantee the size of the rotation forceAvoid collisionBuilding braking devicesPin hingesEngineeringMechanical engineering
The invention discloses a screw type buffer hinge. Upper and lower portions of one side of a left hinge piece are provided with an upper sleeve and a lower sleeve. One side of a right hinge piece is provided with a middle sleeve. An upper end cover is disposed in the upper sleeve. A fixing sleeve, a damper and a lower end cover are disposed in the lower sleeve. A side wall of one end portion of the fixing sleeve is provided with a rotating chute. A screw member is disposed in the middle sleeve. One end portion of the screw member is fixedly sleeved with a spring. One end of the spring extends towards the inside of the upper sleeve and is fixed in the upper sleeve. The other end portion of the screw member is provided with a rotating pin cooperated with the rotating chute. When the rotating pin moves in the rotating chute, the screw member is driven to move in the middle sleeve up and down, and the screw member drives the right hinge piece to rotate relative to the left hinge piece, so that a door is closed. The door can be closed without being powerfully pushed by a user, collision between the door and a doorframe can be effectively prevented, and compared with a hydraulic hinge, the screw type buffer hinge has the advantages that the screw type buffer hinge is simple in structure and long in service lifetime, and oil leakage can be prevented.
Owner:温州瓯海利尔达五金制品有限公司

Hammer type dynamically and cyclically screening-crushing machine

The invention discloses a hammer type dynamically and cyclically screening-crushing machine, belonging to the field of material crushing equipment. The hammer type dynamically and cyclically screening-crushing machine comprises a rotatable hammer type rotor group, a feeding port, a discharging port, and a rotatable screening roller, wherein the inner wall of the screening roller is fixedly provided with a lifting plate used for pushing up a material; the hammer type rotor group is arranged in the screening roller along an axial direction; the feeding port communicates with the interior of thescreening roller; and the discharging port communicates with the outer wall of the screening roller. According to the invention, a material is dynamically and cyclically crushed in the screening roller and is discharged only when the granularity of the material is qualified, and cyclic crushing realizes crushing of the material multiple times, so high material crushing efficiency of machine is guaranteed; and a conveying speed can be artificially controlled, and material output and output granule distribution are also completely artificially controlled and are large in adjustment range. Compared with the prior art, the hammer type dynamically and cyclically screening-crushing machine of the invention has the advantages that discharge granularity is no longer determined by a gap between a hammer head and a sieve plate, so the problem that the hammer head and the sieve plate are prone to wearing and are frequently replaced is overcome.
Owner:成都万基电力设备制造有限公司

Seedling-raising plate cleaning device

The invention provides a seedling-raising plate cleaning device, and belongs to the field of cleaning machinery. The seedling-raising plate cleaning device comprises a rack, a conveyer belt and a plurality of cleaning units; a water inlet pipe is arranged on the rack; transmission wheels driven by a first motor are arranged on two ends of the inner side of the conveyer belt; the transmission wheels are arranged rotatably on the rack; a plurality of first slots for blocking the seedling-raising plates are arranged at intervals on the outer surface of the conveyer belt, the seedling-raising plates are embedded in the first slots; the larger side of each seedling-raising plate is parallel to the heading direction of the conveyer belt; the conveyer belt penetrates through the cleaning units; each cleaning unit comprises a box body, at least two water spray pipes and at least two vertically arranged brush rods. The seedling-raising plates are driven to move forwards by the conveyer belt and cleaned by the cleaning units, the cleaning of the seedling-raising plates is realized by arranging and taking the seedling-raising plates by manpower, the cleaning process is realized by machines, the manpower cleaning is not required, so the labor intensity of workers is reduced and the cleaning efficiency is improved.
Owner:ZUNYI TOBACCO OF GUIZHOU TOBACCO CORP

Piezoelectric driver for improving performance based on four-foot coupling motion mode and control method

The invention relates to a piezoelectric driver for improving the performance based on a four-foot coupling motion mode and a control method, and belongs to the field of precision machinery. The piezoelectric driver comprises a base, a flexible mechanism, a piezoelectric element, a pre-tightening cushion block and a rotor, wherein the flexible mechanism is matched with the piezoelectric element togenerate micron-scale motion to drive the rotor to rotate through the driving feet which are rotationally and symmetrically distributed; the piezoelectric element converts electric energy into kinetic energy based on an inverse piezoelectric effect and drives the flexible mechanism to act; the pre-tightening cushion block is used for matching with a pre-tightening screw to adjust the friction force between the driving feet and the rotor; and the rotor serves as an output terminal of the driving device. The piezoelectric driver has the advantage of high rotation angle resolution, stable motion, quick response, high rotation speed and the like, and has the characteristics of no electromagnetic interference, compact structure, light weight, simple processing, simple and convenient assembly,low cost, low power consumption and low noise. The piezoelectric driver is wide in application range and has good application prospect in the fields of precision instruments, precision optics, aerospace, micromanipulation and the like.
Owner:JILIN UNIV

Novel pneumatic butterfly valve

The invention discloses a novel pneumatic butterfly valve. The pneumatic butterfly valve comprises a butterfly valve body, a pneumatic actuator and a controller, wherein the butterfly valve body comprises a valve chamber, an elastic valve seat, a valve disc and a valve rod; the controller comprises a casing, an air source connector, air outlets and a solenoid valve, the air outlets comprise a first air outlet connected with the pneumatic actuator and a second air outlet connected with the elastic valve seat, the air source connector is connected with the solenoid valve, and the solenoid valve is connected with the first air outlet and the second air outlet respectively; an air inlet for inflating the elastic valve seat is arranged on the valve chamber and communicated with the second air outlet through an air pipe. The pneumatic butterfly valve is simple in structure, reasonable in arrangement, convenient to mount and dismount and attractive in appearance; meanwhile, an action air path of the pneumatic actuator and an inflation air path of the elastic valve seat can be controlled, so that abrasion during opening and closing of the valve disc and the valve seat can be reduced, and the sealing performance during closing of the valve disc and the valve seat can also be guaranteed.
Owner:HANGZHOU SAIMIKE VALVE MFG

Screw-driven synchronous extruding and twisting composite device for fine-grain magnesium alloy and processing method

The invention discloses a screw-driven synchronous extruding and twisting composite device for a fine-grain magnesium alloy and a processing method, and relates to the technical field of magnesium alloy application. The device comprises a base and a magnesium alloy blank, wherein a concave extrusion die is arranged at the upper end of the middle part of the inner side of the base, and the lower end of the concave extrusion die is in rotating connection with a variable-section concave extruding and twisting die through a roller bearing; the magnesium alloy blank is arranged in the concave extrusion die and the variable-section concave extruding die; a convex extrusion die is glidingly connected with the upper end of the inner side of the concave extrusion die and is positioned right above the magnesium alloy blank; a discharging port is formed in the middle part of the lower end of the inner side of the variable-section concave extruding and twisting die; and a synchronous twisting device is fixedly connected to the bottom part of the variable-section concave extruding and twisting die. According to the device, a severe plastic deformation process in which extruding and twisting aresynchronously carried out is achieved, and thus the deformation uniformity of the magnesium alloy blank is ensured in the process of fully refining grains.
Owner:TAIYUAN UNIV OF TECH

Novel vertical type sampling tool for geological prospecting

The invention discloses a novel vertical type sampling tool for geological prospecting. The novel vertical type sampling tool comprises a base and is characterized in that a short rod is mounted on the inner wall of the base, the outer wall of the short rod is movably connected with the inner wall of the base, a first compression spring sleeves the outer wall of the short rod, the inner wall of the compression spring is movably connected with the outer wall of the short rod, a retaining plate is mounted on the outer wall of the base, the inner wall of the retaining plate is movably connected with the outer wall of the base, and the inner wall of the retaining plate is connected with the outer wall of the short rod. The novel vertical type sampling tool has the advantages that by the coordination of the short rod, the first compression spring and the retaining plate and by the aid of an alternating-current servo motor, the connecting part instability of the holding rod, connected with aconnecting rod, a rod sleeve and a spring, of a traditional sampling device is overcome, the purchasing cost of a user is saved, the resource waste of the novel vertical type sampling tool is avoided, and the novel vertical type sampling tool is suitable for being popularized and used.
Owner:广西珠委南宁勘测设计院有限公司

Overturning method for mechanically clamping long steel structural parts

The invention discloses an overturning method for mechanically clamping long steel structural parts. A motor 27 is connected with a rotating wheel 3; a rotating shaft 4 is connected with the rotatingwheel 3; a rotating rod 6 is connected with the rotating shaft 4 by using a connecting flange 5, so that an external power supply of a motor 27 is electrified; the motor 27 is started to work; the motor 27 drives the rotating wheel 3 to rotate; the rotating wheel 3 drives the rotating shaft 4 to rotate during rotating; the rotating shaft 4 drives the connecting flange 5 to rotate during rotating;the connecting flange 5 is connected with the rotating rod 6; the connecting flange 5 drives the rotating rod 6 to rotate during rotating; the rotating wheel 3 is fixed on a bracket 2; the bracket 2 is supported by using support legs 1 to reach a certain height from the ground, so that machined parts 14 are conveniently driven to overturn by the motor 27; ejector bases 7 are mounted on two sides of the outer wall of the rotating rod 6; pin shafts 8 are mounted in the ejector bases 7; crankshafts 9 are mounted in the ejector bases 7; the crankshafts 9 can be driven by the pin shafts 8 to incline; the machined parts 14 are fixed; and stoppers 13 are mounted on the crankshafts 9. Therefore, the assembly work of an overturning device for mechanically clamping the long steel structural parts.
Owner:陈海锋

Computer case which can efficiently dissipate heat and is excellent in protection performance

The invention discloses a computer case which can efficiently dissipate heat and is excellent in protection performance. First openings are formed in the two sides of the machine box, a second openingis formed in the other side of the machine box, a power mechanism is arranged on one side of the top in the machine box, a first synchronous belt is arranged on the power mechanism, a reciprocating transmission mechanism is arranged on the first synchronous belt, and a vertical plate is arranged on the reciprocating transmission mechanism. According to the invention, the fan blades can do reciprocating motion during rotation; efficient flow of air is facilitated, the quality of air entering the case can be ensured; therefore, efficient and high-quality heat dissipation can be carried out in the case; and the rotating speed of the fan blades can be automatically controlled, adjustment can be conveniently conducted according to the use condition of equipment, the heat dissipation quality isbetter guaranteed, the temperature in the case is effectively reduced, protection can be effectively conducted, external collision can be effectively resisted, the stability of the case is guaranteed, and the service life of internal parts of the case can be prolonged.
Owner:长沙凯泽工程设计有限公司

Adjustable nozzle propeller of ship

The invention discloses an adjustable nozzle propeller of a ship. The adjustable nozzle propeller comprises a shaft sleeve, wherein paddles are arranged on the shaft sleeve in a circumferential direction, curve-shaped water inlets and curve-shaped water outlets are respectively formed in inner chambers of the paddles, the water inlets communicate with the shaft sleeve, T-shaped slots are formed in the middle parts of the inner chambers of the paddles, the water inlets and the water outlets are connected through spiral hoses, and the spiral hoses are positioned in the inner chambers of the T-shaped slots, curve-shaped blocks are arranged on the lower sides of the T-shaped slots, shears-fork type expansion brackets are arranged on the lower sides of the curve-shaped blocks, grooves are formed in two sides of the T-shaped slots, springs are arranged in the inner chambers of the grooves, and the upper ends of the springs are connected with the spiral hoses. The adjustable nozzle propeller disclosed by the invention adopts the manner of adjusting the angle of the curve-shaped spray waterway to adjust the size of the deviating force from the circumferential direction of the propeller, so that the adjustment the rotating speed of the propeller can be realized; according to navigation requirements of the ships, the navigational speed can be adjusted, and the adjustable nozzle propeller is energy-saving, environmentally-friendly, and suitable for general popularization
Owner:JIANGSU HUIZHI INTPROP SERVICES CO LTD

Car washing robot based on manipulator

The invention relates to the technical field of mechanical equipment, and particularly provides a car washing robot based on a manipulator. The car washing robot comprises a supporting stand column and a six-axis manipulator, a front-back moving sliding rail and a front-back moving rack are arranged on the lower part of the supporting stand column, and an up-down moving sliding rail, an up-down moving rack, a rack base plate and a front-back servo motor are mounted on the supporting stand column. A manipulator mounting plate and an up-down servo motor are mounted at the bottom of the six-axismanipulator, a brush and a laser ranging sensor are mounted at the head of the six-axis manipulator, the supporting stand column is slidably mounted on the front-back moving sliding rail, and the manipulator mounting plate is slidably mounted on the up-down moving sliding rail. The front-back servo motor and the up-down servo motor are combined with gears and the racks, so that the manipulator moves at any point in the length and height directions of a car body, car washing is more thorough, and the laser ranging sensor can judge the distance between the manipulator brush and the car body; andthe rotating speed of the brush can be changed according to requirements to adjust the rotating speed and the wiping efficiency of the brush.
Owner:지앙수위에다인베스트먼트컴퍼니리미티드

High back pressure steam turbine unit

The invention discloses a high back pressure steam turbine unit, comprising a unit body. The unit body comprises an inlet duct and an impulse mechanism. The outside of the inlet duct is provided witha heat preservation mechanism, and the heat preservation mechanism comprises a joint mounted on the outer side wall of the inlet duct. The inner sleeve of the inlet pipe is fixed with an annular plate, the inner part of the annular plate is provided with a cavity, and the inner side of the cavity is connected with a heating wire, and the inner side wall of the annular plate is provided with an exhaust port along the axial array direction thereof. The exhaust port communicates with the interior of the cavity. The impulse mechanism includes a rotating shaft, an impeller, a moving blade and a nozzle. The outer side wall of the rotating shaft is fixed with an impeller. The outer sidewall of the impeller is fixed with a plurality of symmetrically disposed moving blades along the axial array direction. The steam turbine unit can adjust the spray outlet diameter of the nozzle, thereby adjusting the speed at which the steam flow is ejected from the nozzle to adjust the rotation speed of the impeller, and improving the conversion efficiency. Moreover, the steam turbine unit can achieve the heat preservation heating of the inlet duct to reduce the heat dissipation of steam.
Owner:府谷科创源能源科技股份有限公司

Vertical axis wind turbine with blade angle varying along with wind direction and wind velocity

The invention relates to a vertical axis wind turbine with a blade angle varying along with wind direction and wind velocity, which comprises a control system, a planetary gearbox, a fixed axis gearbox, a transmission shaft, a main support, an upper cantilever beam, a lower cantilever beam, a bearing pedestal, a bearing, blades, a vertical axis, a tower and the like, wherein the vertical axis is connected with the tower through the bearing and the bearing pedestal; the main support is sleeved outside the vertical axis and the bearing pedestal, so that the middle part of the main support is connected with the middle part of the vertical axis, and the top end of the main support and the head of the vertical axis are connected with the bottom of the planetary gearbox; the control system is connected with the top of the planetary gearbox through the bearing pedestal; the root part and the end part of the upper cantilever beam are respectively connected with the side face of the planetary gearbox and the side face of the fixed axis gearbox, and the root part and the end part of the lower cantilever beam are respectively connected with the lower end of the main support and the bearing pedestal; both ends of the transmission shaft are respectively connected with the planetary gearbox and the fixed axis gearbox; and the blades are respectively connected with the fixed axis gearbox and the bearing pedestal so that output power maintains near the rated power value.
Owner:孙世杰

Self-descaling evaporator and running method thereof

The invention discloses a self-descaling evaporator. The self-descaling evaporator comprises an evaporator shell, a transmission device and a driving motor, wherein the evaporator shell is internallyprovided with a rotating inner tube, the rotating inner tube divides the evaporator shell into an inner part of the tube and an outer part of the tube, the outer side of the tube of the evaporator shell is provided with a working medium inlet, a working medium containing descaling particles is added into the evaporator shell from the working medium inlet, the outer side of the tube of the evaporator shell is further provided with a steam outlet and a working medium outlet, one end of the rotating inner tube is provided with a rotating inlet, the other end of the rotating inner tube is providedwith a rotating outlet, the steam in the evaporator shell enters the rotating inner tube from the rotating inlet via a pipeline through the steam outlet and is discharged from the rotating outlet after heat transfer, and a concentrated solution is discharged from the working medium outlet. The self-descaling evaporator has the advantages that the descaling particles are added, so that a heating tube rubs with the descaling particles, the problems of easy scale formation, blockage and sealing off of a heat exchanger are solved, and the effect of descaling is achieved; the driving motor can perform forward and backward switching, thereby capable of preventing scale formation on the reverse side of the heating tube during single-side rotation.
Owner:GUANGDONG CODE OF ENVIRONMENTAL PROTECTION ENG CO LTD

Intelligent sewage treatment device

The invention relates to the technical field of sewage treatment, and particularly relates to an intelligent sewage treatment device. The intelligent sewage treatment device comprises a cleaning module, two input shafts and a sewage collecting bin, wherein the cleaning module comprises a frame and a conveying belt; the sewage collecting bin is mounted on the frame through the input shafts; a power module and an impeller assembly are arranged on the sewage collecting bin; the power module is connected with the input shafts; the input shafts are connected with the conveying belt; and the input shafts are connected with the impeller assembly through a speed change mechanism. When the cleaning module rotates and drives a rotating column to rotate, the rotating column drives a main movable wheel of a driving wheel to move inwards so as to be away from a main fixed wheel, the transmission ratio is increased to reduce the rotating speed of the impeller assembly, thus, the intelligent sewage treatment device can dynamically match advancing and cleaning power of a garbage truck according to resistance generated by floating garbage in front, when the garbage in front is much, the power distributed to advancing by the power module is reduced, the power distributed to cleaning is increased, the cleaning effect is ensured, and the cleaning efficiency is improved.
Owner:启东市新港阀门仪表成套有限公司

Mortar stirring machine

The invention discloses a mortar stirring machine. The machine comprises a supporting frame, a barrel body, a barrel cover, a stirring assembly and a driving device used for driving the stirring assembly, the barrel body is located on the supporting frame, the barrel cover is connected with the barrel body and is provided with a feeding port, the stirring assembly is connected with the barrel cover and extends into the barrel body, the stirring assembly comprises a rotary shaft which is connected with the driving device, a grounding member which is connected with the rotary shaft and a stirring rod which is located on the inner side of the grounding member, the stirring rod is U-shaped, the two ends of the stirring rod are connected with the rotary shaft, the grounding member is arranged close to the inner wall of the barrel body, the grounding member comprises a sector connecting plate, a first arc-shaped plate and a second arc-shaped plate which are connected below the connecting plate, and stirring blades are arranged on the opposite side walls of the first and second arc-shaped plates. By the combination of the grounding member and the stirring rod, the failure of stirring mortars close to the inner wall of the barrel body is prevented, mortars everywhere in the barrel body can be uniformly stirred and grounded by the stirring assembly, and the obtained mortars are more uniform.
Owner:JIAXING BOHONG NOVEL BUILDING MATERIALS

Labor-saving rotating mop with speed regulating function

The invention relates to a labor-saving rotating mop with a speed regulating function. The labor-saving rotating mop with the speed regulating function is composed of a mop disc, a rotating rod, an outer sleeve, a middle rod, an inner rod, an inner rod movable buckle, an inner rod fixed buckle, a middle rod fixed buckle and a middle rod movable buckle. The interior of the rotating rod is divided into two sections of internal threads with different screw pitches and diameters, the upper-section thread of the rotating rod is an internal thread with the large screw pitch and the large diameter, the lower-section thread of the rotating rod is an internal thread with the small screw pitch and the small diameter, the inner rod movable buckle is engaged with the lower section of the rotating rod, and the middle rod movable buckle is engaged with the upper section of the rotating rod. When the middle rod is pressed downwards, the middle rod drives the rotating rod and the mop disc to slowly rotate through the cooperation of the middle rod fixed buckle and the middle rod movable buckle, and when the inner rod is pressed downwards, the inner rod drives the rotating rod and the mop disc to rapidly rotate through the cooperation of the inner rod movable buckle and the inner rod fixed buckle. Compared with the prior art, the labor-saving rotating mop is simple in structure, easy to control and easy to spin-dry and spin-wet, labor is saved, and cleaning is complete.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
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