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2562results about How to "Small form factor" patented technology

Semitrailer-mounted turbine fracturing equipment

The invention discloses semitrailer-mounted turbine fracturing equipment. Straight-line connection and special chassis design of the whole equipment can double reduce center of gravity of the equipment, stability and safety are better ensured, the structure is simpler, the investment cost and the operation cost are lowered, risks of the whole breakdown of fracturing sites are reduced, transmissionis better, and the semitrailer-mounted turbine fracturing equipment is suitable for continuous operation working conditions with long time and large load. By improving a plunger pump, optimization ofrotating center distances of a crank throw and a crankshaft makes rated power input of the crank throw and the crankshaft increase to 5000-7000 hp, optimization of the transmission ratio of an integrated reduction gearbox on the plunger pump makes the maximum input speed of the integrated reduction gearbox reach 16000 rpm, and ultra-high speed enables reduction gearboxes to be directly connectedwith a turbine engine so as to the solve the problems that turbine fracturing equipment slows down depending on the two reduction gearboxes, and weight of the whole semitrailer is reduced, and boundary dimension of the semitrailer-mounted turbine fracturing equipment is reduced.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Efficient automatic dust-removing and intelligent ventilation system and automatic dust-removing method

The invention relates to the ventilation system field, in particular to an efficient automatic dust-removing and intelligent ventilation system and an automatic dust-removing method. The system comprises an intelligent energy-saving ventilation system housing component and a fan, wherein the intelligent energy-saving ventilation system housing component comprises a dual duct, a dust-discharging duct, a throttle actuating mechanism, a dust screen, a temperature and humidity sensor and a distributed pressure sensor, wherein the temperature and humidity sensor and the distributed pressure sensor are connected with a control system, and the control system drives the throttle actuating mechanism to realize time-sharing and smooth transition of the dual duct and the dust-discharging duct. The beneficial effects of the invention are as follows: the fans of the air feeder unit can be used for several purposes such as air supply and dust removing, thus reducing the equipment cost; the self-cleaning of the filtering screen can be realized, thus prolonging the service life of the filtering screen, reducing replacement frequency and lowering maintenance cost; and by turning on/off the automatic dust-removing and intelligent ventilation system, the normal operation of the devices in an equipment room can be ensured.
Owner:SHENZHEN ZHONGXING SINDI TECH CO LTD

Dual platform switching system for mask aligner silicon slice platform using conveyer structure

The invention provides a double-platform exchanging system for a photoetching machine silicon chip platform with a conveyor belt and belongs to the technical field of the manufacturing equipment of a semiconductor. The invention comprises a silicon chip platform operated on a pretreatment station and a silicon chip platform operated on an exposure station; the pretreatment station and the exposure station are respectively provided with a H-typed driving unit and the H-typed driving unit consists of X-directional straight line motors on the two sides and a Y-directional straight line motor, both of which are used for driving the silicon chip platform to move along X direction and Y direction on the pretreatment station and the exposure station; the two sides of a base station are respectively provided with a conveyor belt in the system and a butt slide block is fixed on and connected with the lateral side of the conveyor belt; with the conveyor belt and the butt slide block, the transition of the silicon chip platform 1 from the pretreatment station to the exposure station can be realized. As the invention adopts the conveyor belt structure, the invention effectively avoids the problem of accurate abut joint of the guide rail of the patent ZL03156436.4 double-platform exchanging system and has the characteristics of simple operation and small size of outline, etc.
Owner:TSINGHUA UNIV

Oil field well workover operation machine

The invention relates to an oil field operation device, in particular to an oil field workover treatment machine. The machine body is arranged on a hydraulic load-bearing traveling gear and is interlocked with the hydraulic load-bearing traveling gear. Hydraulic tongs connected with a telescopic bracket on the machine body can be extended out and retracted with the telescopic bracket. A clip seat is positioned below the hydraulic tongs and is arranged on a well head. An elevator which is suspended onto the machine body can reciprocate up and down. A faucet is positioned above the machine body and the clip seat; a pipe throwing device is arranged on the faucet and the machine body; and a clip unlocking device and a clip locking device corresponding to the elevator are arranged on the clip seat and the pipe throwing device respectively. A righting mechanism and a valve mechanism are further arranged on the faucet. A control cabinet is arranged on the machine body; and the clip seat, the hydraulic tongs, the elevator and the pipe throwing device are connected with a control system in the control cabinet respectively. The oil field workover treatment machine can be assembled and disassembled conveniently and rapidly, thereby not only facilitating transportation, but also changing the positions to meet the requirements of different work. Simultaneously the machine can be laid freely at a well field according to the practical conditions.
Owner:LIAOHE GASOLINEEUM EXPLORATION BUREAU +1

Shield cutter for composite ground

The invention discloses a shield cutter for a composite ground, which comprises a cutter head with a box body structure, wherein a hobbing cutter is arranged on the front face of the cutter head and comprises a plurality of single-blade standard hobbing cutters, a plurality of single-blade central hobbing cutters, a plurality of single-blade standard hobbing cutters and a plurality of single-blade eccentric hobbing cutters; the single-blade standard hobbing cutters are arranged on a cross cutter beam; the single-blade central hobbing cutters are arranged on a transverse I-shaped cutter beam positioned in the central area of the cross cutter beam; the single-blade standard hobbing cutters and the single-blade eccentric hobbing cutters are arranged in an edge area of the cross cutter beam; cutting knives are symmetrically arranged along the two sides of the cross cutter beam in the form of a concentric circle; edge scraping knives are arranged on the two sides of the cross cutter beam and at the middle positions of every two cutter beams of the cross cutter beam, on the edge of the front face of the cutter head; a plurality of radius retaining knives are arranged at the periphery ofthe cutter head; and an over cutter extended from the periphery is arranged in a box body of the cutter head. When the shield cutter is compared with the prior art, the boundary dimension of a cutterholder is reduced, the aperture opening ratio of the cutter is increased, the slag flowability is improved, and the wear resisting property of the whole cutter is improved.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Semiconductor packaging method of wafer level silicon-based through hole

The invention discloses a semiconductor packaging method of wafer level silicon-based through hole, belonging to the field of semiconductor packaging. The packaging method substantially comprises the following steps: 1, making a cavity structure on a cover plate; 2, bonding the front surface of the cover plate with the front surface of a wafer through a bonding machine; 3, grinding the rear surface of the wafer by a grinder, and implementing a stress plasma etching on the rear surface of the wafer; 4, removing all silicon belonging to a scribe line region starting from the rear surface of the wafer; 5, etching the rear surface of the wafer in order to form silicon through holes, and exposing a bonding pad; 6, making passivation layers, metal layers and solder mask layers sequentially in the rear surface of the wafer and the silicon through holes, so as to compose a redistributed circuit layer, thereby conducting the solder pad to a designated solder ball position on the rear surface of the wafer; 7, making solder balls and cutting along the scribe line. By the implementation of the semiconductor packaging method of wafer level silicon-based through hole, the yield rate of wafer cutting technique is increased, the stress level in package structure is reduced, and the boundary dimension of the package structure is decreased.
Owner:BEIJING UNIV OF TECH

Special hanger with guide cover wheel hub and turning and hanging method

The invention discloses a special hanger with guide cover wheel hub. The special hanger comprises a T-shaped hanger and two double-hole lug plates, wherein the middle part of a cross beam of the T-shaped hanger is fixedly connected with the lower end of a vertical beam; the upper end of the vertical beam is provided with a hanging hole; and the two double-hole lug plates are provided with two hanging holes respectively. The turning and hanging method of the invention comprises the following steps of: 1) vertically hanging the cross beam into a manhole of the wheel hub through a top hole of a guide cover, and transversely turning the cross beam; 2) fixedly connecting the vertical beam and the middle part of the cross beam to form the T-shaped hanger and fixing the two double-hole lug plates on the wheel hub respectively; 3) connecting a main hook and sling and a secondary hook and sling with corresponding holes of the T-shaped hanger and the two double-hole lug plates respectively; 4) vertically hanging the guide cover wheel hub; 5) turning over the guide cover wheel hub; and 6) hanging a manual hoist crane on the main hook and sling to adjust the inclination angle of axis of the wheel hub, thereby aligning central lines of a connecting surface of the wheel hub and an end face of a main shaft. The special hanger improves the safety and the efficiency for the turnover of the wheel hub and reduces the labor intensity.
Owner:JIANGSU WENDE NEW ENERGY
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