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5 results about "Perpendicular direction" patented technology

Perpendicular is used to describe lines, angles and direction. In geometry a perpendicular angle is 90 degrees, a perfect L. On a compass, East and North are perpendicular to each other.

Alignment device and method for machining strict phase-position key groove of gear inner hole

The invention discloses an alignment device for machining a strict phase-position key groove of a gear inner hole. The alignment device is characterized in that two symmetrical installation holes are formed in the inner edge of the outer end of a locating plate along the center line, and a fixed pin is installed in each installation hole; long grooves are machined in the inner edge of the inner end of the locating plate along the center line, movable pins are movably arranged in the long grooves, and the moveable pin ends of the movable pins are hooked on the upper edges of the long grooves; a baffle in the perpendicular direction is fixedly installed on the inner end face of the locating plate, the baffle and the locating plate are buckled through a bolt, an abutting screw is installed in a screw hole formed in the position, corresponding to the center line of the locating plate, of the baffle, and the abutting screw is in contact with the movable pins in an abutting-against mode; an alignment face is machined on the locating plate. The invention further discloses an alignment method for machining the strict phase-position key groove of the gear inner hole. The alignment device and method are simple in structure, easy to operate and high in accuracy.
Owner:MCC SFRE HEAVY IND EQUIP

Ultrasonic focusing liquid vibration polishing method based on spherical shell piezoelectric transducer

InactiveCN108381304AReduce machining accuracyReduce sizeElectricityRetention time
The invention discloses an ultrasonic focusing liquid vibration polishing method based on a spherical shell piezoelectric transducer. The method comprises the steps that a workpiece to be processed isput in an open container, wherein the open container is filled with a polishing solution; the spherical shell piezoelectric transducer which can be moved to change the position in the horizontal or perpendicular direction is placed above the workpiece to be processed, and soaked in the polishing solution all the time, and the concave side points to the surface, to be processed, of the workpiece to be processed; and an ultrasonic power source is started to generate high-frequency electricity so as to excite the spherical shell piezoelectric transducer to generate ultrasonic vibration, the spherical shell piezoelectric transducer is moved according to a preset processing path and the retention time of focused ultrasonic waves on each processing point, ultrasonic vibration is transmitted bythe polishing solution to be focused on the workpiece to be processed, and the surface of the workpiece to be processed is polished. The ultrasonic focusing liquid vibration polishing method based onthe spherical shell piezoelectric transducer can achieve accurate correction of the surface of the workpiece.
Owner:TIANJIN UNIV

Wave energy recycling device

InactiveCN106438181AInhibit sheddingSimple structureMachines/enginesEngine componentsSea wavesEngineering
The invention provides a wave energy recycling device in order to recycle wave energy in the perpendicular direction of seawater. The wave energy recycling device mainly comprises an axial hollow float, an energy recycler and a special cable mooring device, wherein the energy recycler is connected with a float bolt through a bottom flange plate; an integrated rotary drum is supported by a conical roller bearing; an outer ring of the bearing is fixedly welded with a supporting ribbed plate; the rotary drum is connected with the supporting ribbed plate through a torsional spring; a rotating shaft of a power generator is connected with the rotary drum through a spline; a shell of the power generator is fixed on the ribbed plate through bolt connection; one end of a drum winding cable is knotted after passing through a through hole in a cable winding shaft of the rotary drum and is connected with the rotary drum in an energy recycling mechanism; and after the other end of the drum winding cable penetrates through a shaft hole in the float and a middle shaft hole of the special cable mooring device, the tail of the cable is knotted and locked. Two cable tying rings are welded on the special cable mooring device and are connected with a fixed cable of the float. When the seawater moves, waves enable the drum winding cable to vibrate up and down so as to rotate the rotary drum to drive the power generator to rotate, and conversion from wave energy of the seawater into electric energy is realized.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Condenser capable of reducing influences of condensed liquid film

ActiveCN104819606AAvoid interferenceReduce chargeEvaporators/condensersHeat exchanger casingsEngineeringRefrigerant
The invention relates to a condenser capable of reducing influences of a condensed liquid film. The condenser comprises an end plate, a cylinder, condensation pipe bundles, a subcooler, a gas dispersion plate and a gas inlet pipe. A closed space is formed by the end plate and the cylinder. The gas inlet pipe is welded to the top of the cylinder. The gas dispersion plate is arranged below the gas inlet pipe. The condensation pipe bundles are arranged below the gas dispersion plate. The condensation pipe bundles and the end plates are fixed through expansion connection or welding. The subcooler is arranged at the bottom of the cylinder. The condenser further comprises a first metal plate set and second metal plates. One side of the first metal plate set and one sides of the second metal plates are fixed to the inner wall of the cylinder, and gaps are reserved between the other side of the first metal plate body and the inner wall of the cylinder and between the other sides of the second metal plates and the inner wall of the cylinder. The first metal plate set at least comprises two metal plates which are each in a step shape. Openings are formed in the first metal plate set in the perpendicular direction. The condensation pipe bundles are divided into at least three condensation areas through the upper half portion of the cylinder, the first metal plate set and the second metal plates. Due to the adoption of the design, condensed liquid of the portions, on the upper layer, of the condensation pipe bundles can be prevented from interfering with the portions, on the lower layer, of the condensation pipe bundles; meanwhile, passing of gas refrigerating fluid is ensured, the influences caused by the pipe bundle effect are reduced, and the heat exchange effect is good.
Owner:KUNSHAN FANGJIA MASCH CO LTD
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