34results about How to "Speed can be adjusted" patented technology

The invention relates to a key device in a water-saving sprinkling irrigation system and particularly to a rotating speed adjustable water power driving rotary spraying nozzle and a speed adjusting method. Water currents enter into a channel to impact an impeller, the impeller generates driving force to drive a shaft A to rotate, the shaft A and a back taper gear belt rotate together, a belt drives a taper gear belt to rotate, and the tapered gear belt and a shaft B rotate together. After the water currents pass through the impeller, the shaft B section which enters into the channel enters into an interior channel of the shaft B through a water inlet hole in the wall of the shaft B, the tail end of the shaft B is connected with the spraying nozzle, and the water currents enter into a spraying nozzle channel after passing through the shaft B to spray to the exterior. According to the speed changing method, a rotating speed ratio of the back tapered gear belt and the tapered gear belt is changed due to the fact that the belt positions in the back tapered gear belt and the tapered belt are changed and accordingly the rotating speed of the spraying nozzle is changed.

The invention discloses an automatic-turning pot. The automatic-turning pot comprises a pot body, a pot handle and a supporting frame. One end of the supporting frame is connected with the pot handle, and the other end of the supporting frame is connected with a rotating base. The bottom of the pot body is connected with the rotating base. A drive motor A and a drive motor B are arranged in the pot handle. The drive motor A is connected with a pot turner and drives the pot turner to rotate vertically. The drive motor B is used for driving the pot body to horizontally rotate on the rotating base. By the adoption of the automatic-turning pot, manual turning is not needed, when food is cooked, full automation is achieved, the turning speed can be adjusted, the labor intensity is lowered, and great convenient is brought to a user.

The invention belongs to the field of machining, and relates to a driller, in particular to a movable low-speed driller. A center drill rod driving reduction device (5) comprises a driving motor (5-1), a driving motor controller (5-2), a driving gear (5-3), a driving gear shaft (5-4), a driving gear bearing (5-5), a driving gear bearing pedestal (5-6), middle gears (5-7), middle gear shafts (5-8), middle gear bearings (5-9), middle gear bearing pedestals (5-10), a driven gear (5-11), a driven gear shaft (5-12), a driven gear bearing (5-13) and a driven gear bearing pedestal (5-14), and is characterized in that the driven gear shaft (5-12) is a hollow shaft; an inner hole of the driven gear shaft (5-12) is provided with a spline; and the spline inner hole is in sliding fit with a spline shaft at the upper end of a center drill rod. The movable low-speed driller has the benefits that the movable low-speed driller is high in drilling accuracy, good in movability and adjustable in rotating speed, and can be absorbed on a large workpiece for use.

An electromechanical power coupling device for a hybrid vehicle comprises an engine, a power transmission mechanism, a power output mechanism and an electric mechanism, wherein the engine is connected with both the power output mechanism and the electric mechanism through the power transmission mechanism, the electric mechanism is connected with the power output mechanism through the power transmission mechanism, and the electromechanical power coupling device can operate in different transmission working modes by controlling the engine and the electric mechanism. According to the electromechanical power coupling device, the engine, a power generator and an electromotor are reasonably configured by utilizing a planetary gear mechanism, and the whole power system can realize the function of stepless speed change, so that the overall oil consumption of the hybrid vehicle is better improved.

The invention discloses an oscillating shaft heading machine by a sinking method. The oscillating shaft heading machine comprises a heading mechanism, and a power lifting mechanism, a slag-slurry separating mechanism and an operating control system arranged on the ground, wherein the power lifting mechanism is used for lifting and putting the heading mechanism, the slag-slurry separating mechanismis used for lifting and discharging and disposing mud generated after the heading mechanism in a shaft breaks a ground, and the operating control system is used for controlling operations of the mechanisms. The heading mechanism comprises a heading rack, a drilling arm, a primary driving device for driving the drilling arm to rotate, a drilling rig and secondary driving devices for driving the drilling rig to rotate, wherein the primary driving device is mounted on the heading rack, and the output end of the primary driving device is connected to the drilling arm; at least two secondary driving devices are mounted on the drilling arm, and the output end of each secondary driving devices is connected to the drilling rig. The oscillating shaft heading machine occupies a small space, is short in production period and high in degree of automation and safety, can head the shaft in full cross-section and meet various complex formations such as soil and soft racks.

The invention discloses a pressure adjustment type abrasive belt grinding device which consists of a transmission device, a pressure adjustment device and a grinding and polishing pressure control system, wherein the transmission device consists of a body, a power input shaft, a bearing, a first bevel gear, a second bevel gear, a gear shaft, a drive wheel, an abrasive belt, a second body, an abrasive belt supporting wheel and an abrasive belt grinding and polishing wheel, wherein the pressure adjustment device consists of a thin film air cylinder, an abrasive belt small main shaft and a supporting wheel frame; the grinding and polishing pressure control system consists of a force sensor, a pressure servo valve and an air source; an external electric motor is connected with the power input shaft and drives the drive wheel of the transmission device to rotate, so that the abrasive belt moves to grind and process a curved surface of a workpiece; the thin film air cylinder of the pressure adjustment device can drive the abrasive belt small main shaft to move forwards and backwards; and when the grinding pressure is changed, the force sensor transmits a pressure signal to the pressure servo valve, successively pushes the thin film air cylinder to act and drives abrasive belt small main shaft to move forwards and backwards so as to realize the pressure adjustment control. With the adoption of the pressure adjustment type abrasive belt grinding device, the isopiestic grinding and processing of the curved surface can be realized while the speed is adjusted.

The invention relates to a manufacturing apparatus of a prefabricated rod for an optical element blank, and a method for manufacturing the element blank, and belongs to the technical field of opticalglasses. The problem of restriction of the shape of a raw material in the processing process of the optical element is mainly solved in the invention. The apparatus is mainly characterized in that theapparatus comprises a molding die, a first drawing device, a second drawing device, a heating device and a cutting device; the first drawing device is located below the molding device, and is used for molding glass to form a circular thick rod; the heating device is located below the first drawing device, and is used for heating and softening the circular thick rod; the second drawing device is located below the heating device, and is used for drawing the circular thick rod to form a circular thin rod; and the cutting device is located below the second drawing device, and is used for cuttingthe circular thin rod. The circular rod can be directly manufactured during manufacturing of the optical glass, and the shape of the cross section of the circular rod approaches the needed shape of the cross section of the optical element, so the circular rod can be directly sliced to manufacture the optical element blank.

The invention discloses an air cylinder cover mold spraying method capable of achieving uniform spraying. The air cylinder cover mold spraying method comprises the following steps that A, the positions of sliding blocks are adjusted through extending and retracting of hydraulic telescopic rods, a spherical mold is placed on circular-arc-shaped grooves of the sliding blocks; B, screw rods are rotated, so that the spherical mold is fixed to the sliding blocks by compressing plates; C, the height of a mounting seat is adjusted through a piston rod, the angle of a spray head is adjusted through auniversal joint, and the spray head extends into the inner concave face of the spherical mold; and D, a first motor is started to enable a first rotating shaft to rotate, a second motor is started toenable a second rotating shaft to rotate, and a pump is started to enable the spray head to spray the inner concave face of the spherical mold. Spraying is more uniform, the time and labor are saved,and the air cylinder cover mold spraying method is suitable for spherical molds of different specifications and sizes and wide in application range.

The invention discloses a temperature control system with a controllable condensation distance for tire tread and sidewall production. The temperature control system comprises a support and a conveying mechanism which is arranged on the support and used for transporting tires, wherein a plurality of temperature sensors used for detecting the temperature of the tires are arranged on the support inthe conveying direction of the conveying mechanism, each temperature sensor is at least provided with two sets of cooling assemblies used for cooling the tires, each set of cooling assembly comprisestwo air cooling units which are symmetrical about a tire conveying face, the air spraying ends of every two corresponding air cooling units face the upper side face and the lower side face of the conveying mechanism respectively, each air cooling unit comprises an installation base, and an air blower is arranged on each installation base. Experiments prove that a cooling device is wide in coolingcoverage area, high in cooling efficiency, high in precision, capable of saving cooling liquid and high in energy-saving efficiency, and meanwhile the manufacturing process and cost of a whole experimental device are effectively controlled.

The invention relates to a dual-power driven superposed output power device which is mainly used for comprehensive utilization of power equipment and belongs to the field of cooling towers. The dual-power driven superposed output power device comprises a motor, a motor output transmission shaft, power output equipment, a power output transmission shaft, a dual-power input gear box, a transmission shaft, a controller circuit device and at least one clutch; an output shaft of a motor is connected with an input shaft I of the dual-power input gear box through the motor output transmission shaft; an output shaft of the power output equipment is connected with an input shaft II of the dual-power input gear box through the power output transmission shaft; the number of the clutches is two; the two clutches comprise a motor output clutch and a power output clutch; the motor output clutch is arranged one side of a motor; the power output clutch is arranged on one side of the power output equipment; the controller circuit device is connected with the motor. The dual-power driven superposed output power device is simple and reasonable in structural design, convenient to install and maintain and efficient and energy-saving and can be applied to energy-saving comprehensive utilization of the power equipment.

The invention provides a hydraulic blank cutting machine belonging to the technical field of brick making mechanical equipment. A hydraulic device is used for replacing a crank connecting rod mechanism of the prior blank cutting machine, and is provided with a power element, a control element and two hydraulic cylinders which synchronously work; the hydraulic cylinders are installed on a stand ofthe blank cutting machine, are in rigid connection with the stand, and are connected with the control element and an oil tank through pipelines; a piston rod of each hydraulic cylinder is connected with a pushing head of the blank cutting machine; an accumulator is arranged on the pipeline between the hydraulic cylinder and the oil tank; an oil absorption pipeline and an oil return pipeline are both provided with filters; the power element of the hydraulic device is a gear pump; and the control element comprises a check valve, an overflow valve, a one-way throttle valve, an electromagnetic directional valve and a ball valve. The invention has the advantages of reasonable design, simple structure, energy-saving system, higher synchronous accuracy, convenient control and safe use.

The invention discloses an integrated neon refrigerating machine and a refrigerating method. The integrated neon refrigerating machine comprises a centrifugal compressor, a permanent magnet synchronous high-speed motor, a centripetal expansion turbine, a water cooler, a recooler and a heat exchanger. The centrifugal compressor, the permanent magnet synchronous high-speed motor and the centripetalexpansion turbine are manufactured on the same axis in an integrated mode. The water cooler is used for achieving exchange cooling with neon at an outlet of the centrifugal compressor, and the cooledneon enters the centripetal expansion turbine after passing the recooler. After the centripetal expansion turbine acts, low-temperature neon can be obtained, the obtained low-temperature neon conductsheat exchange with coolants of cold users through a plate-fin heat exchanger, and then the low-temperature neon returns to the inlet end of the centrifugal compressor after passing the recooler to form closed-loop circulating. According to the integrated neon refrigerating machine and the refrigerating method, the circulating neon is used for achieving compressed expansion refrigeration, the neonin different low-temperature sequences can be obtained and different needs of the cold users can be met. The integrated neon refrigerating machine is high in efficiency, good in stability, easy to operate and capable of providing preparation cold sources for nitrogen supercooling, plasma nitridation, natural gas liquefaction and the like.

The invention discloses a lifting stand column device. The lifting stand column device comprises an outer cylinder, an inner cylinder, a drag chain and a position feedback device, a first containing cavity is formed in the outer cylinder, an opening is formed in one end of the outer cylinder in the axis direction, the opening communicates with the first containing cavity, and the inner cylinder and the drag chain are located in the first containing cavity separately. The inner cylinder and the outer cylinder are the same in axial direction, the inner cylinder can be driven to move in the outer cylinder in the axis direction of the outer cylinder, one end of the drag chain is connected with the outer cylinder, the other end of the drag chain is connected with the inner cylinder, and the position feedback device is configured to feed back the position of the inner cylinder in the outer cylinder. According to the lifting stand column device, work is stable, the number of wires capable of being arranged in the lifting stand column device is large, the lifting speed is high and adjustable, the unbalance loading capacity is large, the lifting position can be accurately positioned, and by additionally arranging a spring gap eliminating device, a transmission gap generated when a trapezoidal lead screw rotates forwards and backwards can be effectively eliminated.

The invention relates to a speed-adjustable swinging shovel which comprises a machine shell, a circuit board box, a rotor, a stator, a carbon brush assembly and a switch, wherein a first bearing, a second bearing, a third bearing, a fourth bearing and a fifth bearing are installed in the machine shell, the first bearing is connected with the second bearing through an output shaft, a shifting fork is installed between the output shaft and the third bearing, the third bearing, the fourth bearing and the fifth bearing are connected with each other through an input shaft, and a speed adjusting circuit board is installed in the circuit board box. The speed-adjustable swinging shovel has the advantages of being capable of adjusting speed, simple in structure, and capable of having functions of being capable of grinding, sawing, shoveling and the like.

The invention provides cleaning equipment for a container packaging tank and a using method, and belongs to the technical field of cleaning. The cleaning equipment comprises a cleaning box, electric telescopic cylinders are arranged on the top face of the cleaning box, hanging fixing pieces are arranged on telescopic rods of the electric telescopic cylinders, nozzles are connected to one ends of water delivery pipes, and driven wheels are arranged on the pipe walls of the water delivery pipes. Connecting rods are arranged on the side faces of the driven wheel, a cleaning brush is arranged on the connecting rods, driving wheels are installed at one ends of rotating shafts, motors are installed at the other ends of the rotating shafts, belts are arranged between the driving wheels and the driven wheels, and high-pressure water guns are installed on installation frames. A water tank is arranged on one side of the cleaning box, and a water suction pump is arranged in the water tank. A first water pipe is connected between the water suction pump and the water delivery pipe, second water pipes are connected to the first water pipe, booster pumps are installed on the second water pipe, hoses are connected to the second water pipes, and the hoses are connected with the high-pressure water guns. The cleaning equipment for the container packaging tank has the advantages of good cleaningeffect and high working efficiency.

The invention discloses a hand-washing-imitating fruit and vegetable cleaning machine which comprises a tank body, a cleaning basket located in the tank body and a driving assembly located below the tank body, an impeller is arranged in the center of the bottom of the cleaning basket, the cleaning basket and the impeller rotate through the driving assembly, a plurality of first brushes are evenly arranged on the inner circumferential wall of the cleaning basket, and a plurality of second brushes are evenly arranged on the inner circumferential wall of the cleaning basket. A second brush is arranged in the center of the surface of the impeller, and the first brush and the second brush rotate along with the cleaning basket and the impeller respectively. The brush in the cleaning basket and the water flow move relatively to form a hand scrubbing simulation state, so that food materials and the water flow generate sufficient relative movement, and the cleaning effect is better.