31results about How to "Torque balance" patented technology

Drive device for a wind mill comprising a large pulley (21) disposed on a main shaft (22) and at least one belt (27) or chain adapted to transfer rotation from the pulley (21) to a generator (30, 31). The pulley (21) is rotationally coupled to at least two secondary shafts (23, 24), which are disposed parallel to the main shaft (22). One or more belts (27), which transfer the rotation, extend over the pulley (21) and the secondary shafts (23, 24). The secondary shafts (23, 24) are in turn rotationally coupled to at least one, preferably two, electric generators (30, 31).

The invention relates to a miniaturized ducted aircraft. A camera is mounted right in front of a battery compartment; the battery compartment is located at the uppermost part of the aircraft, the central axis of the battery compartment coincides with the axis of the duct, and the flight control cabin is located between the battery compartment and the motor base and also coincides with the axis of the duct; a duct lip can reduce duct air inlet loss and provide extra thrust for the aircraft, and the duct lip is located over the duct and tightly connected with the duct. The installation axis of the power device coincides with the axis of the duct and is located below the flight control cabin. The control rudders change the flowing direction of airflow at the outlet of the duct, the distribution centers of the four control rudders coincide with the axis of the duct and are located at the outlet of the duct, and the four control rudder adjusting devices adjust deflection of the four control rudders correspondingly. The undercarriage is positioned at the lowermost part of the duct. According to the miniaturized design scheme of the ducted aircraft, the size of the aircraft can be fully compressed on the premise of realizing autonomous cruise and video transmission, so that the aircraft can autonomously fly in a narrower space.

The invention relates to an improved power repair feet crawler. The improved power repair feet crawler comprises a main crawling machine; the side surface of the main crawling machine, facing an electric pole, is an arc-shaped crawling surface; universal rotating wheels are arranged at equal intervals on the crawling surface and electrically connected to a controller; a cable chute is formed in the crawling surface; a crawling cable is mounted in the cable chute, and threads are formed in the surface of the crawling cable; closed lock buckles are mounted at two ends of the crawling cable; the crawling cable is manufactured from non-stretching and bendable wearable materials; the crawling cable engages with a driving wheel; the driving wheel rotatably sleeves an adjusting shaft parallel to the electric pole; the adjusting shaft can horizontally move in an adjusting groove at the back of the main crawling machine in the radial direction of the electric pole. The feet crawler has a small size, and is convenient to carry, applicable to the electric poles of various sizes, safe and reliable, and simple to operate.

The present invention discloses a small 3D printer, which comprises a vertical column, a lower portion fixed holder, a base, a printing structure, a z-axis direction moving structure, an x-axis direction moving structure and a y-axis direction moving structure, wherein the front position and the rear position on both sides are respectively provided with the one vertical column, the base is connected with the y-axis direction moving structure, the y-axis direction moving structure is connected with the z-axis direction moving structure, the printing structure is connected with the x-axis direction moving structure, the z-axis direction moving structure comprises a z-axis direction drive motor, a vertical lead screw and a screw nut, the z-axis direction drive motor is fixedly connected on a motor connection plate, the bottom portion of the motor connection plate is connected with the lower portion fixed holder, the screw nut is nested in an axial sleeve, the end portion of the axial sleeve is provided with an axial positioning plate, the axial positioning plate is fixedly connected with the axial sleeve, the axial sleeve is connected with the first support plate of the y-axis direction moving structure, the z-axis direction drive motor is connected with the vertical lead screw, the upper end of the lead screw is provided with a bearing, and the vertical column is connected with the bottom portion horizontal support body.

The rotor engine with boosting flywheel includes one rotor engine, one driving device for the rotor engine to drive one power output device, and one boosting device driven by the rotor engine. The present invention adopts flywheel to counteract the resistance to the back assisting wheel alternately for the two rotors to rotate in the same direction, so as to realize the lasting rotation of the rotor engine.

The utility model discloses a load-sensitive multi-way valve with a double-pump confluence function, and relates to the technical field of hydraulic pressure of straight-arm lorry-mounted cranes. The load-sensitive multi-way valve comprises a first pump oil inlet control unit, a proportional reversing valve working unit, a confluence control unit, a rotation reversing unit and a second pump oil inlet control unit. The first pump oil inlet control unit is connected with a first quantitative oil pump and supplies oil to the proportional reversing valve working unit, the second pump oil inlet control unit is connected with a second quantitative oil pump and supplies oil to the rotation reversing unit, and when the rotation reversing unit does not work, the second quantitative oil pump and the first quantitative oil pump are converged through a one-way valve and a hydraulic control reversing valve of the converging control unit; the two pumps simultaneously supply oil to the proportional reversing valve working unit, so that the working efficiency is improved; and when the rotation reversing unit works, the hydraulic control reversing valve of the confluence control unit cuts off a confluence channel of the second quantitative oil pump and the first quantitative oil pump, the second quantitative oil pump independently supplies oil to the rotation reversing unit, rotation action flow matching is achieved, and energy consumption and system temperature rise are reduced.

The invention aims at providing a high temperature resistant photoelectric composite optical fiber for an oil well and a production method thereof, used for solving the technical problem about high temperature and high voltage resistant performance and convenient production of the photoelectric composite optical fiber. The high temperature resistant photoelectric composite optical fiber for the oil well comprises an optical fiber unit, a conductor unit, a filling unit, a cladding unit and an armoring unit, wherein the optical fiber unit is positioned in a middle eccentric position of the composite optical fiber, and comprises an optical fiber of which the outer layer is coated with polyimide and a stainless steel tube for sleeving the optical fiber; the conductor unit is screwed and twisted with one side of the stainless steel tube; the filling unit is filled in a gap between the optical fiber unit and the conductor unit to jointly form a cable core; the cladding unit and the armoringunit are separately arranged on the outer side of the cable core from the inside to the outside; and the armoring unit comprises inner-layer armoring steel wires and outer-layer armoring steel wires with opposite twisting directions. The high temperature resistant photoelectric composite optical fiber for the oil well has the beneficial effect that the temperature and voltage resistant performanceof the composite optical fiber are improved.

The invention provides a spinning device for controlling a fiber arrangement structure through synchronous rotation. The spinning device comprises a first rotating shaft, a yarn pressing reed and a second rotating shaft, wherein the two ends of the first rotating shaft are fixed below a front jaw through bearings respectively; a fiber finishing section with a thread and a belt connecting section are arranged on the middle part of the first rotating shaft at intervals; the fiber finishing section is positioned under the front jaw; the belt connecting section is connected with a front roller through a belt; one end of the yarn pressing reed is movably pressed on the fiber finishing section; the second rotating shaft is positioned below the first rotating shaft; a thread is formed on the second rotating shaft; and the direction of the thread on the second rotating shaft is opposite to the direction of the thread in the fiber finishing section. The spinning device has the beneficial effects that the fiber structure of yarns is finished through the cooperation of the first rotating shaft and the second rotating shaft, so that the spun yarns have the advantages of being soft in hand feeling, high in strength, less in hairiness, stable in yarn levelness, small in residual torque and the like.

The invention provides a shaft end motor of an automobile electric control hydraulic independent shaft end driving system, aiming at solving the problems that the rotating speed and the output torque of a hydraulic motor are coordinated and matched and intelligently controlled by computer chips. The shaft end motor comprises a hydraulic oil cylinder, a host computer, an encoding disc and a sensor rest. The shaft end motor is mainly characterized in that a plurality of piston connecting rods and slide blocks of the hydraulic oil cylinder move around a rotor in a coordination manner; the straight reciprocating motion of the piston connecting rods and the slide blocks is converted into the circular motion through wave-shaped grooves arranged at the side plane of the rotor; the hydraulic oil cylinder is divided into A-phase, B-phase and C-phase which are arranged circularly; and the encoding disc connected with the rotor shaft end together and the sensor on the sensor rest transmit the position and the operation state information of the rotor to the computer chips to implement intelligent control.

The rotor engine with magnetic boosting includes one rotor engine, one driving device for the rotor engine to drive one power output device, and one boosting device driven by the rotor engine. The present invention adopts boosting flywheel to counteract the resistance to the back assisting wheel alternately for the two rotors to rotate in the same direction and reduces the vibration and noise during operation.

The invention discloses a motor stator, a manufacturing method of the motor stator and a hairpin motor. Independent loops forming the first-phase winding, the second-phase winding and the third-phase winding in the motor stator are respectively and sequentially arranged in three adjacent continuous winding grooves in a staggered manner, each independent loop is formed by alternately connecting winding coils with the span of (1+3m) winding grooves, and m is a positive integer; a repeated winding unit is contained in three adjacent winding grooves forming an independent loop and having the span of (1+3m) winding grooves, and the repeated winding unit is formed in the three adjacent winding grooves through two-time lap winding, one-time wave winding and two-time lap winding. The number of conductors in each winding groove is set to be odd number layers, the winding mode is simple, the adjustability of the number of turns of the winding is improved, the power and torque during motor design are balanced, the collector ring is simplified, and the wire outlet height is reduced.

The invention discloses a wear-resistant reinforced reducer joint, which comprises a reducer joint body. The top of the reducer joint body is provided with an inner wire, the bottom of the reducer joint body is provided with an outer wire, a passage axially penetrates through the middle of the reducer joint body, the top of the passage is provided with an inner sleeve, a connecting slot is formedbetween the inner sleeve and the inner wire, a plurality of first pressure arms are arranged on the top of the outer surface of the reducer joint body and are rotatably connected to the reducer jointbody by torsion springs, and the free ends of the first pressure arms are provided with first pressure heads; the middle part of the outer surface of the reducer joint body is provided with a plurality of second pressure arms, the second pressure arms are rotatably connected with the reducer joint body through torsion springs, the free ends of the second pressure arms are provided second pressureheads, the first pressure arms applies pressure to the top of the reducer joint body, and the second pressure arms applies pressure to the bottom of the reducer joint body. The wear-resistant reinforced reducer joint has good wear resistance, is unlikely to loose, and has good structural stability.

Provided is an equal-thickness cement soil wall building machine. A first cylinder and a second cylinder are output at the lower end of a first transfer case. A first shaft is fixed to the lower surface of the first cylinder within the radius range and inserted into the left end of a rectangular hole of a first rectangular frame. A second shaft is fixed to the lower surface of the second cylinder within the radius range and inserted into the right end of the rectangular hole of the first rectangular frame. A second transfer case is arranged on the left side of the first transfer case and connected with the first transfer case through a first link arm. A third cylinder is output at the lower end of the second transfer case. A third shaft is fixed to the lower surface of the third cylinder within the radius range and inserted into the right end of a rectangular hole of a second rectangular frame. A third transfer case is arranged on the right side of the first transfer case and connected with the first transfer case through a second link arm. A fourth cylinder is output at the lower end of the third transfer case. A fourth shaft is fixed to the lower surface of the fourth cylinder within the radius range and inserted into the left end of a rectangular hole of a third rectangular frame.