38results about How to "Realize forward and reverse control" patented technology

The invention discloses a power system of a cam rotor internal combustion engine, belongs to the field of engines, and relates to a rotor internal combustion engine. The power system uses cams and multiple cam driven pieces to form a cam mechanism, and to form multiple sealed working cavities, peripherally distributed, with inner cavity components, outer rotating surface components and end components; the sealed working cavities change the volumes along with relative rotation of the cams and the cam driven pieces to match valves to finish four processes of intake, compression, acting and exhaust of the Otto cycle therein; and chemical energy generated by gas combustion is directly converted to mechanical energy in a rotor fixed-shaft rotating form. The power system discards a crankshaft of a piston engine; high-pressure gas directly pushes rotor fixed shafts to rotate and to output power; the structure is simple; and the parameter adjusting range is wide. The power system is liable to realize flexible control, or even can realize forward and reverse rotation under control of an additional cam driven piece encapement device; and compared with power systems of a piston internal combustion engine and a triangular rotor internal combustion engine, the power system of the cam rotor internal combustion engine has multiple prominent advantages.

The invention discloses an electromechanical device, and particularly relates to a device, used on a vehicle, of adjusting forward and reverse rotation of a condensing fan. The device comprises relays, a switch and a fan, wherein the relays comprise a time relay KJ1 and two relays KJ2 and JK3; a switch and the like are arranged in each relay; one of the two relays KJ2 and KJ3 is normally open and the other one of the two relays KJ2 and KJ3 is normally closed; and the forward and reverse rotation time is adjusted through time setting of the time relay JK1 to control the action of the fan. The device has the advantages of improving the radiating effect of a condenser and reducing the manual cleaning frequency. By using the condensing fan with excellent blowing and air suction effects and through control circuit design, forward and reverse rotation control of the condensing fan is realized to blow weeds and dust out. The device can be widely applied to mechanical vehicles operating outdoors.

The invention discloses a petroleum geological prospecting drill pipe device. The petroleum geological prospecting drill pipe device structurally comprises a drill pipe device body, a prospecting head, an external reinforcing rod, a base, a geological prospecting machine body, connecting frames, fixing rods, an upper fixing frame and a rocking rod. The bottom of the geological prospecting machinebody is fixedly connected with the top of the base, the upper fixing frame is arranged at the top of the geological prospecting machine body, and the connecting frames are arranged to be in a rectangular shape and fixed to the front side of the fixing frame; and the fixing rods are parallel to each other, penetrate through the connecting frames and are connected to the interior of the top side ofthe geological prospecting machine body, and the right side of the upper fixing frame is in mechanical connection with the left side of the prospecting head. According to the petroleum geological prospecting drill pipe device, rapid rising and falling can be conducted through motor transmission, meanwhile stable output power is provided by a motor, the degree of outside interference can be reduced, the stability of equipment operation can be ensured, and meanwhile the impact force borne by the petroleum geological prospecting drill pipe device is reduced by a coupler.

The invention discloses an internal combustion engine power system for matching a swing block with an inner cavity cam rotor, belongs to the field of internal combustion engines, and relates to the internal combustion engine power system for matching the swing block with the inner cavity cam rotor. In the power system, the inner cavity cam rotor is used for forming a cam mechanism with multiple swing driven pieces mounted on a center component in a cavity, and is used for forming multiple peripherally distributed sealed working cavities with end components; the sealed working cavities are changeable in volumes along with relative rotation of the inner cavity cam rotor and the center component; valves are arranged in a cooperation mode to finish four processes of intake, compression, acting and exhaust of the Otto cycle therein; and chemical energy generated by gas combustion is directly converted to mechanical energy in a relative fixed shaft rotating mode of the inner cavity cam rotor and the center component. High-pressure gas directly pushes a rotor fixed shaft to rotate and to output power; and the system is simple in structure and wide in parameter adjusting range. Under longitudinal capturing control of additional swing block, the system is liable to realize flexible control; and compared with a triangular rotor internal combustion engine power system, the system has more prominent advantages.

Hydraulic equipment for removing and installing bucket tooth pins, including motors, power switches, oil drums, bidirectional gear pumps, housings, oil cylinders, oiling pots, high-pressure oil pipes, overflow valves, and oil circuit integrated distribution blocks; the oiling pots are installed in the oil The upper end of the barrel; one side of the oil circuit integrated distribution block is installed on one side of the oil barrel, and the motor is installed on the other side of the oil circuit integrated distribution block; the bidirectional gear pump is installed on one side of the oil circuit integrated distribution block, and the power input of the bidirectional gear pump The shaft and the power output shaft of the motor are installed together; the oil drum and the oil cylinder are installed together; the relief valve is installed on the oil circuit integrated distribution block; the lower oil pipe of the oil cylinder and the lower inlet and outlet pipes of the oil circuit integrated distribution block are installed together through the oil pipe; The housing is mounted on the outside of the motor, and the power switch is mounted on the housing. The invention is compact in structure and convenient to use. Only by controlling the power switch, the piston of the oil cylinder can move forward to push out or push the bucket tooth pin shaft, and move backward to return to the initial state, thereby improving the efficiency of disassembling and installing bucket teeth.

The lift maintenance vehicle control system of the present invention is characterized in that: the forward gear is connected in series with the normally closed point of relay K2 and relay K1 and then connected to both ends of the power supply; The solenoid valve is connected in series with the normally open point of the relay K10 and connected to both ends of the control power supply; after the rising jog switch is connected in series with the normally closed point of the relay K12 and the relay K11, the descending jog switch is connected with the normally closed point of the relay K11 After being connected in series with the relay K12, both ends of the control power supply are connected. The lifting maintenance vehicle control system of the present invention realizes the forward and backward movement of the maintenance vehicle through forward and reverse control of the series excitation motor; the steering function can be realized under the control of the steering hydraulic cylinder by the left and right turning solenoid valves. By setting the relays K11 and K12 connected in series with the ascending jog switch and the descending jog switch, the ascending and descending operation of the console is realized.

The invention relates to a building block type stator disc, a permanent magnet motor and a speed control method thereof; the building block type stator disc comprises a plurality of stator teeth, a winding which is wound on each stator tooth in the direction parallel to the rotor disc direction, an inner fixed ring frame and an outer fixed ring frame, wherein the inner fixed ring frame and the outer fixed ring frame are arranged in a sleeved mode inside and outside; the plurality of stator teeth are arranged between the inner fixed ring frame and the outer fixed ring frame and are encircled toform an annular shape; and one end of the stator tooth is fixedly connected to the inner fixed ring frame through a first connecting piece, and the other end of the stator tooth is fixedly connectedto the outer fixed ring frame through a second connecting piece. The building block type stator disc is simple in structure and convenient to control, does not need to be converted into a rotary magnetic field, and is different from a traditional control mode of a permanent magnet motor, the motor can be rotated only by continuously changing the coils on different magnetic poles, the cost is low,and the maintenance is convenient.

The invention relates to the technical field of aquaculture equipment, in particular to an intelligent observation device for industrialized cultivation of prawns, including a frame module, a prawn fishing module, a prawn lifting module, an infrared identification and positioning module and an automatic locking and unlocking weighing module. The frame module is an inverted L-shaped cantilever beam structure, and the frame module includes an overhanging beam on the upper part. The prawn lifting module is installed on the upper part of the frame, and an infrared identification and positioning module is arranged inside the prawn lifting module. The automatic locking and unlocking weighing module is fixedly installed at the end of the frame module, and the upper part of the prawn fishing module is connected with a lifting cable. The present invention can realize rapid fishing, lifting and weighing of prawns through four major devices: a prawn fishing module, a prawn lifting device, an infrared identification and positioning device, and a fast locking and unlocking weighing device.

The invention relates to a swinging block and cam rotor cooperating internal combustion engine power system and belongs to the field of internal combustion engines. In the power system, cam rotors and a plurality of swinging driven parts are adopted to form a cam mechanism, the cam rotors, the swinging driven parts, rotor chambers and end members form a plurality of circumferentially distributed sealed working chambers; the volumes of the sealed working chambers are changed along with rotation of the cam rotors, and the four processes of air inflowing, compression, acting and exhausting of an otto cycle are finished in the working chambers through cooperation with air valves; and chemical energy generated by gas combustion is directly converted into fixed-shaft rotation type mechanical energy of the rotors. According to the swinging block and cam rotor cooperating internal combustion engine power system, planetary motion of Wankel rotors and an inner chamber in a specific shape are not needed, high-pressure gas directly pushes the rotors to perform fixed-shaft rotation and power is output, the structure is simple, and the parameter adjustable range is wide. Flexible control is easy to achieve under control of an added swinging block escapement device, and compared with piston internal combustion engine and Wankel rotor internal combustion engine power systems, the swinging block and cam rotor cooperating internal combustion engine power system has much more outstanding advantages.

The invention provides a probe control device which comprises two same control circuits and a rotation guide mechanism, wherein the rotation guide mechanism is used for adjusting the control circuits, each control circuit is composed of a motor, a potentiometer and a chip, both ends of the potentiometer are connected with pull-down resistors and connected with the ground, the center of the potentiometer is connected with a high level, and the both ends of the potentiometer are in input control connection with two direction levels of the motor controlled chip. According to the probe control device, through the two same unique control circuits and the rotation guide mechanism used for adjusting the control circuits, the size of the control device in the longitudinal space is reduced, the whole device is integrally thinner, the appearance is more attractive, the positive-negative rotation control over motors and the accurate control over a mechanical device by the control device are realized, and the device has the advantages of attractive appearance, convenience in operation and precision improvement.