22 results about "Constant speed" patented technology

The invention is to a device and method, for cutting a can blank in which case an end section of the can blank is severed. The can blank is moved by means of a conveyor arrangement at a constant speed about a first axis of rotation. Preferably, a laser beam is used as the cutting means. A deflecting arrangement deflects the laser beam to a focal point where the side surface of the can blank is located. Due the rotation of the can blank about its longitudinal axis, the axial end section of said can blank is severed. The focal point of the laser beam does not change relative to the longitudinal axis of the can blank during the laser cutting operation.

The invention relates to the technical field of low temperature measurement, and especially relates to a method and device for quickly decreasing temperature. The method comprises the steps: enabling a cold head and a temperature control object to be separated through a thermal resistor device, employing the cold head of a refrigerating machine for accumulation of cold, thereby achieving the big temperature difference between the cold head and the temperature control object, achieving the cooling speed which is higher than the cooling speed which is achieved through the cooling capability of the refrigerating machine, and achieving the quick decreasing of temperature. During the quick decreasing of the temperature, the fine tuning is carried out through a heating device, thereby achieving the temperature decreasing at a constant speed. The invention proposes a method for achieving the temperature decreasing at the constant speed through employing the refrigerating machine. Compared with a liquid helium system, the system is simple in structure, and reduces a plurality of control valves and pipes. The system is low in cost, and has no other cost except some power supply needed in a process. Moreover, the system flexibly changes the cooling speed through controlling the start/stop of the refrigerating machine and the heating device, is stable, reliable and controllable in cooling speed, and can achieve the automatic control. The system is very good in linearity of temperature increase and decrease. Compared with the liquid helium system, the system is stable in temperature increase and decrease speed.

The invention discloses a preparation method for micron-size carbonyl iron and nickel alloy powder. The preparation method for the micron-size carbonyl iron and nickel alloy powder comprises the following steps that A1, Ni(co)4 is subjected to high-pressure synthesis; A2, Fe(co)5 is subjected to high-pressure synthesis; A3, Ni(co)4 is subjected to evaporation and vaporization, and a liquid Ni(co)4 compound prepared through reacting is guided into a first vaporizer at the constant speed, heated and vaporized; A4, Fe(co)5 is subjected to evaporation and vaporization, and a liquid Ni(co)5 compound prepared through reacting is guided into a second vaporizer at the constant speed, heated and vaporized; A5, premixing is conducted, specifically, vaporized Fe(co)5, Ni(co)4 vapor and ammonia gas together enter a pre-mixer through carrier tape, the ratio of iron to nickel is adjusted, and the mixed gas in the pre-mixer is guided into a thermal decomposition furnace to be subjected to thermal decomposition and alloying; and A6, gas-solid separation is conducted, and the iron-nickel alloy powder is obtained. According to the preparation method for the micron-size carbonyl iron and nickel alloy powder, operation is easy, quantity production is easy to achieve, and the cost is low; and the prepared iron-nickel alloy powder has the advantages of being uniform in iron and nickel distribution, good in pressing performance and sintering performance and the like and has excellent comprehensive mechanical performance, and the tool service life is prolonged by 10%-20%.

The invention provides a hydraulically controlled frequency stabilization power generating method, which comprises the following steps that: a. an impeller collects flow field energy and the flow field energy is converted into mechanical energy; b. the mechanical energy is transmitted to a parallel-connection pump unit with variable initial phase angles by a power distribution box to be converted into hydraulic energy, and the hydraulic energy is transmitted to a variable hydraulic motor through a current collector; c. a constant speed controller cooperates with a control valve group in a control loop and an electric control variable mechanism in the hydraulic motor to obtain flow entering the hydraulic motor and the optimal matching of displacement of the hydraulic motor, so that the hydraulic motor rotates at constant speed and outputs the mechanical energy, and the mechanical energy is transferred to a generator; and d. the constant-speed stable mechanical energy is converted into constant frequency electrical energy to be output by the generator. The invention adopts a closed hydraulic loop to realize the conversion and long distance transfer of flow field energy, solves the problems that the existing wind power generating device has high cost, difficult constant frequency and voltage regulation, difficult installation and maintenance and the like, and can effectively reduce the construction and operation and maintenance costs of wind power generating equipment.

The invention relates to a method for establishing an animal model for senile dementia, a special liquid medicine and a dosing device, and belongs to the technical field of neurosciences. The method comprises the following steps: obtaining positioning coordinates of paraceles according to brain atlases or/and magnetic resonance image data of an experimental animal; respectively burying a conduit of the dosing device in left and right paraceles of the animal, and injecting the special liquid medicine to the paraceles at a constant speed in 14-16 minutes under a sterile environment within 2-3 weeks, wherein the liquid medicine amount is 100-250 ml methanol per day; alternately dosing the left and right paraceles, wherein the dosing frequency is 18-30 hours at an interval; and continuously dosing for 2-10 months to obtain a non-human primate animal model for senile dementia. With the adoption of a novel dosing mode: dosing to the paraceles at the constant speed, medicine can circulate to whole brain through the cerebrospinal fluid to exert the toxic effect, so that peripheral damage by the medicine is avoided. The AD model is established by injecting methanol or formaldehyde to the paraceles, so that behaviors and pathological symptoms are typical, the basic physiological status is good and the individual difference is relatively smaller.

The invention discloses a preparation method of nano-magnesium hydroxide. The preparation method comprises the following steps: carrying out ultrasonic dispersion on ammonia water and a sodium hydroxide solution so as to obtain a mixed alkali solution, and adding the mixed alkali solution into a reactor; putting the reactor in an ultrasonic field, dropwise adding a polyethylene glycol 6000 water solution into the reactor in a constant speed, and further carrying out ultrasonic dispersion for 0.5-1 hour; dropwise adding a magnesium chloride water solution into the reactor in a constant speed; after the dropwise adding of the magnesium chloride water solution, further carrying out ultrasonic dispersion for 0.5 hour; adding turbid liquid obtained in the reaction into a hydrothermal reaction kettle for treatment, so as to obtain Mg(OH)2 precipitates; and carrying out suction filtration, washing, drying and grinding on the precipitates, so as to obtain nano-Mg(OH)2. Nano-magnesium hydroxide is prepared by virtue of an ultrasonic-hydrothermal coupling method, and reaction conditions are easily controlled, so that the problems that nano-Mg(OH)2 particles easily form colloid in a solution and are unlikely to be filtered are solved; and the particle size of the prepared nano-Mg(OH)2 particles is small, the particle size distribution is uniform, the crystallization degree is high, the technical flow of the preparation method is simplified, the energy consumption is reduced, and the production cost is saved.

The present invention relates to wind driven generator, and is especially one kind great power cyclone-resisting constant speed wind energy absorbing tower for utilizing wind energy in generating electricity. It has several superposed wind absorbing units, each of which includes frame, blade combination and central shaft. Each of the rotating blades arranged inside the frame has upper and lower ends connected controllably to the frame. In the upper and lower of each blade, there are controllable blocking units, and on the frame, there is wind strength sensor connected to the control center. There are also one or several wind driven generators set. The present invention has the advantages of large wind accepting area, great power, strong wind resistance, and capacity of utilizing wind in all direction.

The invention discloses a novel feed feeding device for pig breeding. The device comprises a main body composed of an upper main body and a lower main body, the lower main body is internally providedwith a feed cavity which is internally provided with a blending part extending upwards and downwards, insertion parts are correspondingly arranged on the left side and the right side of the top face of the lower main body, a first driving device is arranged in the upper main body, a gearbox is in matching connection with the bottom of the first driving device, a first rotating rod which penetratesthrough the bottom face of the main body and is in rotating matching connection with the main body is in matching connection with the bottom of the gearbox, slots arranged to be opposite to the insertion parts are formed in the portions, on the left side and the right side of the first rotating shaft, of the top surface of the upper main body, locking sliding grooves are formed in the side wallsof the backs of the two slots, and a first sliding cavity extending backwards runs through the side, back on to the corresponding back slot, of each locking sliding groove. The device is simple in structure, convenient to disassemble and maintain and capable of achieving automatic constant-speed feed blending work and improving the discharge efficiency.

The invention relates to the field of transmission devices, in particular to a cam transmission device and application thereof on a stage. Comprising a lifting table, a shear fork type lifting device, a mounting plate, a rotating shaft and a rotating disc provided with a vortex-shaped groove, and the lower end of the rotating shaft is in friction fit with the vortex-shaped groove. Under the meshing driving of a driving gear and a driving rack, the speed of a sliding plate away from a main shaft is gradually increased, and under the driving of a transmission assembly, the lower end of a first supporting rod and the lower end of a second supporting rod are driven to get close in an accelerated mode. Therefore, speed compensation is provided for the slower ascending speed of the lifting table, the lifting table keeps ascending at a constant speed, and the lifting table ascends slowly at the constant speed.

The invention relates to a high-rise building fire escape device, which comprises an upper shell and a lower shell, and is characterized in that a steel wire wheel, a brake motor and a centrifugal friction device are arranged on the upper shell; a braking mechanism is arranged in the lower shell; a first gear is fixed on a central real axis; a second gear meshed with the first gear is fixed on a speed reducer connected with the brake motor; a fifth gear is fixed on a rotary shaft of the centrifugal friction device; a crank is arranged in the middle of a central shaft; a third gear and a fourth gear respectively meshed with the second gear and the fifth gear are fixed on two ends of the central shaft; the braking mechanism comprises a brake slipper, a friction plate and a drive mechanism. According to the fire escape device, through double insurance brake of the brake motor and the centrifugal friction device, the rotation speed of the steel wire wheel at a load state can be effectively reduced and controlled, a user can stably get down from a high-rise building at constant speed so as to escape from a fire site through utilizing the device, and the personal safety can be ensured furthest.

The invention discloses an integrated clean air conditioner and dust-free air conditioner, the structure of which comprises an air conditioner main body, a filter box door, a controller, a refrigeration compressor box door, a fresh air outlet, a frequency conversion controller, a return air outlet, and a humidification and dehumidification humidity control pipeline , the filter box door is movably connected to the left end surface of the main body of the air conditioner through a hinge, the controller is electrically connected to the left end surface of the filter box door, and the refrigeration compressor box door is movably connected to the front surface of the air conditioner main body through a hinge. The right side of the compressor box door is provided with a fresh air outlet, which is embedded in the front surface of the main body of the air conditioner. This invention can control and adjust the control system of the speed of the compressor during the cooling operation of the air conditioner, so that it is always in the best position. When the indoor temperature reaches the desired value, the air conditioner will run at a constant speed that can accurately maintain this temperature, effectively improving the energy efficiency ratio and practical performance of the equipment.

The invention discloses a constant-speed rotation and anti-lock controller for a wheel type high-speed anti-slip instrument. The controller comprises a U-shaped wheel carrier, sliding columns are arranged on two supporting arms of the wheel carrier, and the wheel carrier moves up and down along the sliding columns; a load sensor group is fixed at the upper end of the wheel carrier, and the upper end of the load sensor group is connected to a hydraulic assembly; an anti-sliding main shaft which is transversely arranged is rotationally connected between the supporting arms, the anti-sliding main shaft is sleeved with a spline sleeve, and a fixing base is arranged on the spline sleeve and used for fixing a tire; one end of the anti-sliding main shaft is fixedly connected with a transmission shaft, the other end of the transmission shaft is fixedly connected to an output shaft of a hydraulic motor, and the hydraulic motor is connected to an external variable-frequency oil pump; the transmission shaft is sleeved with a torsion sensor and an electromagnetic brake. According to the constant-speed rotation and anti-lock controller with the above structure, noise and vibration are reduced, a simulation effect is good, and brake simulation of a high-speed wheel set is achieved.

The invention provides an automatic paper winding device for protecting an anticorrosive coating at one end of an oil gas steel pipe. The automatic paper winding device comprises a slope conveying carrying plate. A steel pipe wheel bracket capable of rising and falling as a whole through a lifting mechanism is arranged on the lower side of a steel pipe limiting groove at the tail end of the conveying carrying plate. The steel pipe wheel bracket supports a steel pipe so that the steel pipe can rotate at a constant speed. A lifting arm assembly is erected on an axial moving mechanism on the outer side of the axial end of the steel pipe, and a paper winding system moves towards the axial end of the steel pipe axially. The paper winding system stops at a pipe opening of the steel pipe after the pipe opening is detected through a braking mechanism. The paper winding system composed of a paper releasing mechanism, a paper sending mechanism, a paper cutting mechanism, a paper pressing mechanism and a glue coating system is erected on the lifting arm assembly. After glue is pre-coated by at least one circle, the paper winding system winds and attaches kraft paper strips guided and sent bythe paper sending mechanism and the paper releasing mechanism to the pipe opening of the steel pipe through the rotation of the steel pipe. The technical purposes of automatic paper winding, glue coating and attaching of the pipe opening of the steel pipe are realized by the automatic paper winding device instead of manpower, the technical purposes of better saving energy and reducing consumptionand especially eliminating the poor synchronism between steel pipe rotating and paper winding are realized, and the modern production requirement is met.

The invention relates to a constant-speed identification system using transparent clamping grooves. The system comprises: a clamping groove conveying mechanism which has one end located in a planting area and the other end located in a packaging area, comprises a conveying motor and a plurality of parallel hinges are driven by the conveying motor and are buckled in pairs, and is used for conveying a plurality of transparent clamping grooves which are uniformly formed in the side-by-side hinges at intervals at a constant speed; and the multiple transparent clamping grooves, wherein a watermelon is fixed on each transparent clamping groove, and the transparent clamping grooves are used for conveying each watermelon from the planting area to the packaging area under the conveying of the clamping groove conveying mechanism. The constants-peed identification system applying the transparent clamping grooves is compact in design and reliable in logic. The customized identification system composed of the clamping groove conveying mechanism, the transparent clamping grooves, a double-camera-shooting mechanism, ultrasonic detection equipment and a linkage mechanism is introduced, so that whether the watermelons are in a red soil leakage rupture state or not can be determined based on the area size of the area defined by the red soil pixels, and defective products are prevented from flowing into the market.

The invention discloses a novel cup device. The device comprises a cup body composed of an upper cup body and lower cup body; the lower cup body is internally provided with a cup cavity, a whipping shaft extending up and down is arranged in the cup cavity, insertion and connection parts are symmetrically arranged on the left side and the right side of the top face of the lower cup body, the uppercup body is internally provided with a first electric rotating machine, a speed control device is in matching connection with the bottom of the first electric rotating machine, a first coupling shaftwhich penetrates through the bottom face of the upper cup body and is in rotating connection with the cup body is in matching connection with the bottom of the speed control device, slots arranged tobe opposite to the insertion and connection parts are formed in the portions, at the left side and the right side of the first coupling shaft, of the top face of the upper cup body, locking sliding connection grooves are formed in the side walls opposite to the insertion and connection grooves, and a first sliding connection cavity extending backwards runs through the side, back on to the corresponding insertion and connection groove, of each locking sliding connection cavity. The device is simple in structure, convenient to disassemble and maintain and capable of achieving automatic constant-speed whipping work and improving the leading-out efficiency.

The invention relates to a heat conduction plate, a machining method and a special spraying machine adopting the method. The heat conduction plate comprises an aluminum plate, the aluminum plate is provided with thread fasteners, a positioning hole and positioning overturning holes, wherein the positioning overturning holes are annularly distributed, and a layer of welding flux coating is arrangedon the to-be-welded face of the aluminum plate. The machining method comprises the steps that firstly, the aluminum plate is punched from an aluminum roll material into a circular sheet matched withthe required size; secondly, the positioning hole, thread fastener assembling holes and the positioning overturning holes are punched in the aluminum plate; thirdly, the thread fasteners are arrangedin the assembling holes and tightly riveted; fourthly, cleaning and oil removing are conducted, and an oxidization film is removed; and fifthly, the aluminum plate is rotated at the constant speed, and welding flux is sprayed to the aluminum plate. The special spraying machine comprises a rack, a servo motor, a clamp, a stepping motor, a horizontal movement screw mechanism, a nut, an arc spray gun, an arc spraying machine and a wire discharging frame. According to the heat conduction plate, the machining method and the special spraying machine adopting the method, the aluminum-silicon weldingflux coating is additionally arranged on the to-be-welded face of the heat conduction plate, the pre-welding technology process is simplified, the welding strength is improved, and the beneficial effects that manufacturing is easy, operation is convenient, and the service life of products is prolonged are achieved.

The invention relates to a constant-speed harmonic speed reducer. The constant-speed harmonic speed reducer comprises a rigid gear, wherein a flexible gear is connected in the rigid gear in a transmission manner, a harmonic generator connected with a servo motor is connected in the flexible gear in a rotating manner, a generator end cover is arranged at one side of the harmonic generator, a connecting hole is formed in the generator end cover, the connecting hole is connected with an output shaft of the servo motor through a needle roller bearing, and the rotating speed of the harmonic generator connected with the generator end cover is stabilized; and a Hall control system is arranged at the tail of the servo motor, a starting Hall position, a high-speed Hall position, a low-speed Hall position and a closing Hall position are arranged on a Hall stroke plate, and the rotating state of the servo motor is controlled through the different Hall positions so as to achieve a purpose of enabling the state of the servo motor to be controllable.