43results about How to "Reduce the effect of rotation" patented technology

The invention is a shoulder orthotic that provides therapeutic functional support to an injured upper limb and eliminates the weighted pressure of limb support from the injured side of the body. The functional and supportive contributions are achieved by a shoulder suspension strap that is attached to a torso belt and then laid over an unaffected shoulder where the end of a limb is suspended. The passive and active incorporation of the injured limb with the device provides relief of subluxation in the joints, allows the patient to control contraction and relaxation of limb muscles and may be adjusted to alleviate restricted blood flow in the injured limb, all of which facilitate recovery of the injured limb.

The invention relates to an air compressor, which comprises a base, a compression cylinder which is connected to the base, a piston which is slideably received in the compression cylinder, and a motor which is arranged on the base, wherein a first gear is arranged on a mandrel of the motor, connected with a second gear and used for driving the piston to perform reciprocating movement in the compression cylinder; and the first gear is positioned inside a projected area of the compression cylinder, so that the separation distance between the center of the compression cylinder and the base is shortened and the kinetic energy of the piston in the compression cylinder is smooth, thereby the service life of the air compressor can be improved.

The invention discloses a foreign matter inspection device for an automatic light inspection machine. The foreign matter inspection device comprises a light inspection disk assembly, more than one setof image acquisition assemblies and an autorotation driving assembly, wherein each image acquisition assembly comprises a rotating arm, a camera, a light source and a rotating arm driving mechanism,the camera and the light source are fixed on the rotating arm, and the rotating arm is connected with the rotating arm driving mechanism by a transmission mechanism. The invention is the foreign matter inspection device for the automatic light inspection machine, having the advantages of simple and compact structure, low cost, and high inspection accuracy, stability and inspection efficiency.

The invention provides a gravity gyration engine, which uses the gravity gyration to do work and realize an anti-gravity system. The invention is characterized in that at least a gravity plate is fixed on an output shaft, which interacts with a start motor and a power generator; at least two pairs of anti-gravity drives are fixed on the gravity plate with the output shaft as the center; as a working hammer does work twice and make a drive wheel rotate in the same direction within the time the hammer rotates at the gravity plate for a circle, and an anti-gravity hammer, a contraction hammer, and a gyration hammer move to an end near the shaft when they are at the ascending side of the gravity plate, and move to an end far from the shaft when they are at the descending side of the gravity plate, the gravity plate will rotate continuously; the invention is widely applicable in a field related to an engine.

The invention discloses a torque self-adjusting type anti-attrition wind driven generator rotor assembly. The torque self-adjusting type anti-attrition wind driven generator rotor assembly comprises a supporting device, a flow guiding device, an adjusting device and a transmission device, the supporting device is movably connected with the flow guiding device, the flow guiding device is movably connected with the adjusting device, the adjusting device is connected with the supporting device, and the flow guiding device is connected with the transmission device. The transmission device is connected with the supporting device, the supporting device comprises a shell and a rotor shaft, the shell is provided with a rotary groove, the outer ring of the rotor shaft is provided with a top end bearing, the rotor shaft is rotationally connected with the rotary groove through the top end bearing, one end of the rotor shaft is provided with a rotor, and the rotor is magnetically connected with a stator. According to the torque self-adjusting type anti-attrition wind driven generator rotor assembly, the supporting device serves as a main installation foundation, the flow guiding device is used for discharging air of violent airflow, the situation that the overall stability of the torque self-adjusting type anti-attrition wind driven generator rotor assembly is affected by too fast rotation caused by too high air speed is prevented, the rotation stability is detected through the adjusting device, and therefore automatic balance compensation is conducted on accumulated deformation.

The invention discloses a plastic pipe for industrial dust collection and a preparation method thereof. The plastic pipe comprises a dust collection plastic pipe, wherein the dust collection plastic pipe is made of linear low-density polyethylene thermoplastic as a raw material through a thermoplastic technology, and a welding port is formed in the end of the dust collection plastic pipe. Fusion welding ports of two dust collection plastic pipes are placed on fusion welding equipment in a left-right alignment mode, a rotating inner barrel is driven to rotate through the transmission effect of a belt, and due to the thread relation between the rotating inner barrel and a tightening sliding barrel, the tightening sliding barrel rotates outwards, so that an elastic pressing plate at the outer end of the rotating inner barrel is extruded, a fixing clamping ring at the outer end of the elastic pressing plate is fixedly clamped outside the plastic pipe, a clamping cotton cushion is bonded to the inner ring wall of the fixing clamping ring, the plastic pipe is well protected, the situation that the fixing clamping ring slides relative to the plastic pipe and scratches the plastic pipe is avoided, meanwhile, by arranging the clamping cotton cushion, the friction force between the clamping cotton cushion and the plastic pipe is increased, and therefore the plastic pipe is driven to rotate synchronously.

The invention relates to the technical field of bearings, particularly relates to an air bearing capable of preventing light-load abrasion, and solves the problem that at present, for some special occasions such as a fiber thread passing device of a textile machine, pressure of fibers on a bearing is very small, pressing force needs to be externally added for preventing a steel ball from slippingrelative to an inner ring and an outer ring of the bearing, but friction force of the bearing is increased. According to the air bearing, baffle rings are arranged on the outer diameters of the two ends of a bearing inner ring correspondingly, a flow equalizing ring groove is formed in the center of the inner wall of the bearing inner ring, air spraying openings are evenly formed in the center ofthe outer diameter of the bearing inner ring, air passing holes are formed between the flow equalizing ring groove and the air spraying openings, an air inlet channel is formed between the flow equalizing ring groove and the end face of the bearing inner ring, an air pipe joint communicates with the air inlet channel, third oblique faces are arranged on the inner sides of the baffle rings, secondoblique faces are arranged on the two sides of a bearing outer ring and are parallel to the third oblique faces, a flow dividing sharp corner is arranged in the center of the inner wall of the bearingouter ring, and arc-shaped ring grooves are formed in the two sides of the flow dividing sharp corner, so that abrasion of the bearing and increase of the friction force are effectively prevented.

The invention relates to a human body following holder and a control method thereof, and belongs to the technical field of controllable holder equipment. The holder comprises a base used for fixed installation and a holder body used for fixedly clamping and placing a shooting terminal, wherein a rotating mechanism used for driving the holder body to rotate on the base is arranged between the interior of the holder body and the base. The rotating mechanism comprises a driving motor arranged on the inner side of the holder body, the driving motor is used for driving the holder body to rotate, and the holder further comprises a control module used for controlling the driving motor to rotate. The mobile phone support has the advantage that the problem that an existing mobile phone support can only fix a mobile phone at a certain angle is solved.

The invention provides a rotational flow spillway tunnel for reducing flow velocity of an outlet of a rotational flow tunnel. The rotational flow spillway tunnel comprises a sluice gate chamber, a diversion tunnel, a volute chamber, a vertical shaft, an expansion body connecting section, a stilling pool and a flow guiding tunnel; the upstream of the diversion tunnel is connected with the sluice gate chamber; the downstream of the diversion tunnel is connected with the volute chamber through a transition section; a water division partition wall is arranged in the transition section; the lower end of the volute chamber is connected with the vertical shaft through a vertical shaft connecting section; the lower part of the vertical shaft communicates with the flow guiding tunnel through the expansion body connecting section; one end of the flow guiding tunnel is blocked; a flow dividing pier is arranged in the expansion body connecting section; and the stilling pool is arranged at the bottom of the vertical shaft. Water flow passes through the transition section and the water division partition wall, so that the thickness of rotating water flow in the volute chamber is increased, the altitude of a water surface is greatly reduced, and the water surface height difference of the rotating water flow in the volute chamber is also reduced. After the water flow reaches the stilling pool for stilling, the damming phenomenon of hydraulic jump is weakened and an energy dissipation space of pressure flow vortex rolling is enlarged through the expansion body connecting section.

The invention discloses a frisbee throwing device based on an electromagnetic effect and a frisbee thereof. The device includes a slideway, a sliding hole is formed in the bottom of the slideway; slides are formed in the two sides of the inner wall of the sliding hole; the inner walls of the slides are slidably connected with limiting blocks; the sliding blocks are fixedly connected to the ends, away from the slides, of the limiting blocks; placing grooves are formed in the tops of the sliding blocks; through holes are formed in the bottoms of the placing groove; and fixing blocks are fixedlyconnected to the two sides of one end of each sliding block. Supporting shafts are fixedly connected to sides of the fixing blocks, baffles are rotatably connected to the exteriors of the supporting shafts in a penetrating mode, rotating grooves matched with the baffles are formed in the position, located below the supporting shafts, of sides of the sliding blocks, and buckle devices are arrangedat ends of the baffles. The invention relates to the field of frisbee throwing. According to the frisbee throwing device based on the electromagnetic effect and the frisbee thereof, the initial rotating speed of a frisbee can be accurately controlled, the frisbee can be prevented from being abraded, the adjustability is good, and the energy utilization rate is high.

The invention relates to the technical field of wind power generation, and discloses auxiliary equipment for protecting wind motor energy storage for wind power generation. The equipment comprises a vertical rod, a bearing is movably connected to the surface of the vertical rod, blades are fixedly connected to the surface of the bearing, supporting plates are fixedly connected into the blades, rotating shafts are movably connected to the surfaces of the supporting plates, bearings are movably connected to the left sides and the right sides of the rotating shafts, deflection plates are movably connected to the surfaces of the bearings, telescopic rods are movably connected into the deflection plates, windward plates are movably connected to the ends, away from the deflection plates, of the telescopic rods, and spring frames are movably connected into the windward plates. According to the equipment, the force on the surfaces of reset springs are increased to extrude the reset springs to contract, the reset springs contract to pull the windward plates to contract, and when the windward plates completely retract into the blades, the gravity centers of the blades deflect, the rotation of the blades after gravity center deflection is limited, and therefore the effect of preventing energy storage components from being damaged according to wind power is achieved.

The invention relates to a healthy plaster for training and battling of a pilot of an aircraft carrier shipboard aircraft. The healthy plaster is provided with a body prefabricated into the spline physiological curvature, a plurality of pasting tapes are arranged on the inner wall of the body, the pasting tapes on the uppermost part and the pasting tapes at the lowermost end are fixed to the lowerpart of the uppermost end of the body and the lowermost end of the body correspondingly, a middle section of each pasting tape is fixed to the body, and the two ends of each pasting tape are locatedon the two sides of the body correspondingly; and reinforcing strips are arranged in the body, the number of the reinforcing strips is an odd number which is equal to or greater than three, the reinforcing strips are symmetrically distributed on the central axis and the two sides of the body correspondingly, and the upper end of the body is further connected with a helmet. The healthy plaster fortraining and battling of the pilot of the aircraft carrier shipboard aircraft can significantly resist horizontal shear force generated to the cervical vertebra and the lumbar vertebra due to the factthat the shipboard aircraft is decelerated suddenly when hooked by an arrester wire during carrier landing or the speed of the shipboard aircraft is changed sharply in the flying process, meanwhile,meanwhile, the head of the pilot is restrained, but normal motion of the pilot is not affected, the overall structure is simple, using is convenient, and physiological damage can be prevented effectively

The present invention relates to a method for detecting compression loss of cylinders (111, 112, 113, 114) of a multi-cylinder combustion engine (100), wherein in the case of injection deactivation ofthe internal combustion engine (100), each cylinder (111, 112, 113, 114) of the internal combustion engine (100) respectively determines an arc time, in the arc time, the crankshaft (110) of the internal combustion engine (100) surrounds the top dead center of the corresponding cylinder (111, 112, 113, 114) to go through a pre-given angle range, an running unevenness value is determined by the arc time for each cylinder (111, 112, 113, 114), evaluation parameters are determined by employing the running unevenness value for each cylinder (111, 112, 113, 114), and it is evaluated whether theevaluation parameters have compression loss or not. The present invention further relates to a computing unit, a computer program and a machine readable storage medium.

The invention discloses a fluid shunt valve of a biomass treatment system. The fluid shunt valve involves a valve body and a valve plate, wherein the valve body comprises a blind tube section and twooutlet tubes; the valve plate is cylindrical, the valve plate is arranged in the blind tube section, and the outer surface of the valve plate is attached to the inner surface of the blind tube section; the fluid shunt valve further involves a driving mechanism, among the two outlet tubes, one outlet tube is the tube A, and the other outlet tube is the tube B; two communication holes are formed inthe valve plate; when one of the communication holes is in the conduction state for conducting the tube A and the blind tube section, the other communication hole is staggered with the tube B, and thetube B and the blind tube section are in a truncated state; and when one of the communication holes is in the conduction state for conducting the tube B and the blind tube section, the other communication hole is staggered with the tube A, and the tube A and the blind tube section are in a truncated state. The shunt valve is simple in structure, low in processing and manufacturing cost, can be obtained through modification in an existing pipeline and is easy to drive so as to change the conduction state.

The invention discloses a rotary tray fixed device. The rotary tray fixed device comprises a rotating shaft, a supporting claw and grooves, wherein the supporting claw is fixed to the rotating shaft and comprises an axis body and n claw arms; n is greater than or equal to 3; each claw arm is connected to the axis body; a boss is arranged at the tail end of each claw arm and realizes the placementof a tray to be placed in the supporting claw and the limitation of the tray in a plane direction of the tray; the boss at the tail end of each claw arm is correspondingly provided with a pressing block; the pressing block realizes the placement of the tray to be placed in the supporting claw and the limitation of the tray in a direction perpendicular to the plane of the tray; the pressing blocksand the bosses realize the stable fixation of the tray; and the grooves are formed in the claw arms of the supporting claw. The rotary tray fixed device realizes the firmness of the tray in a rotary process, is also conductive to reducing the influence of the inertia on the rotation and can increase the utilization rate of energy.

The invention discloses an internal coil heat dissipation system of a micro turbine generator set. The internal coil heat dissipation system comprises a base plate and a generator shell, wherein a stator coil and a rotor are arranged on the inner wall of the generator shell, an air cooling device and a water cooling device are arranged on the side wall of the generator shell, the air cooling device comprises a tangent air inlet part, a tangent air exhaust part, a flow speed control part arranged on the outer wall of the tangent air inlet part and a heat source gas collecting part arranged at the air exhaust end of the tangent air exhaust part, the water cooling device comprises a first water tank, a second water tank, an air inlet cooling part arranged outside the tangent air inlet part in a sleeve mode, a shell cooling part arranged on the side wall of the generator shell in a sleeve mode, and stator direct cooling parts annularly arranged on the inner wall of the generator shell in an array mode, one side of the stator direct cooling part is provided with a heat-conducting moisture-absorbing part, and one end of the heat-conducting moisture-absorbing part communicates with the heat source gas collecting part through a transmission part. According to the internal coil heat dissipation system, the influence of cooling airflow on the rotor is small, and condensate water is prevented from influencing normal work of the generator.