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124results about How to "Good high speed performance" patented technology

Novel drilling machine for carbon fiber composite plate

The invention relates to a drilling machine and particularly relates to a novel drilling machine for a carbon fiber composite plate. The technical problem to be solved by the invention is to provide the novel drilling machine for the carbon fiber composite plate, which is low in energy consumption, convenient to operate and high in drilling precision. In order to solve the technical problem, the invention provides such novel drilling machine for the carbon fiber composite plate, comprising a left frame, a bottom plate, a placing platform, a first rocking handle, a first bearing block, a first rotating shaft, a first bevel gear, a pressing block, a moving rod, a sleeve, an elastic element, a first fixed plate and the like; the left side of the top of the bottom plate is welded with the left frame; the middle of the top of the bottom plate is welded with the placing platform; and the upper end of the right side of the left frame is connected with the first bearing block in a bolt connection way. According to the novel drilling machine for the carbon fiber composite plate, the horizontal movement of a drill bit and the drilling operation for any position on the carbon fiber composite plate can be realized through rotating the first rocking handle, and the vertical movement of the drill bit can be realized through rotating a second rocking handle.
Owner:江苏吉神环卫设备有限公司

Self-aligning roller bearing with retainer and method of manufacturing the retainer for the self-aligning roller bearing

There is realized a self-aligning roller bearing with retainer that stabilizes the orientation of spherical rollers and prevents these spherical rollers from skewing, and which can be rotated at high speed, and furthermore which enables efficient lubricant feed into pockets 9. By rotating a turning tool 14 as it revolves, the surfaces on both sides in the circumferential direction of respective column sections are processed into concave curved surfaces that oppose a rolling surface of the respective spherical rollers across a pocket clearance into which lubricant oil can be fed. The length of the column sections 8c is less than the length in the axial direction of the spherical rollers, and greater than a half of the length, and an end portion of the side surface in the circumferential direction of the respective column sections 8c projects further in the circumferential direction than an intermediate portion thereof, and the spherical rollers are embraced in the pockets 9.A self-aligning roller bearing with a retainer enabling high speed operation by stabilizing the attitude of barrel shaped rollers to prevent the barrel shaped rollers from being skewed and the efficient feeding of a lubricant into pockets (9) and a method of manufacturing the retainer for the self-aligning roller bearing. In the self-aligning roller bearing, the both side faces of each column part (8c) in the circumferential direction are machined to recessed curved faces facing the rolling surface of each barrel shaped roller through pocket clearances allowing the lubricant to feed thereto with a cutting tool (14) revolving while rotating on its axis. Also, the length of each column part (8c) is set equal to or less than the axial length of each barrel shaped roller and more than the half of the axial length thereof, the side face tip portion of each column part (8c) in the circumferential direction are projected from the intermediate portion thereof in the circumferential direction.
Owner:NSK LTD

Stirring friction forging additional material manufacturing method and device of nano reinforcing composite materials

The invention relates to a stirring friction forging additional material manufacturing method and device of nano reinforcing composite materials. The device comprises four parts including a stirring friction additional material main shaft, an isothermal forging mechanism, a gantry type rack and a workbench; the stirring friction additional material main shaft is used for realizing mixing, preheating and supplying of powder or granular materials, conducting friction squeezing of materials output from a material supplying hole, and using friction heat and pressure to realize layer-by-layer additional material forming manufacturing; the isothermal forging mechanism is used for realizing isothermal forging and micro reshaping of an additional material layer; the gantry type rack is used for fixing the stirring friction main shaft and the isothermal forging mechanism and for realizing advancing as well as swaying angle adjustment of the stirring friction main shaft and the isothermal forging mechanism along the Y axis and the Z axis; and the workbench is used for fixing a substrate and realizing advancing of the substrate along the X axis. The method and the device can realize high-efficiency and high-quality additional material manufacturing of light alloy powder or granular materials, and have the advantages of higher efficiency, simple and convenient operation and lower energy consumption.
Owner:XI AN JIAOTONG UNIV

Electric propulsion converter for ocean fishing boat

The invention relates to an electric propulsion converter device for an ocean fishing boat, and in particular relates to an electric propulsion converter for an ocean fishing boat. The electric propulsion converter comprises a cabinet; a power unit, a control unit, a cooling unit and wiring harnesses are arranged in the cabinet; the power unit comprises a rectifier module, an inverter chopper module and a direct-current support capacitor; the rectifier module comprises a rectifier input copper bar, a rectifier power module and a main contactor; the inverter chopper module comprises a three-phase inverter output copper bar and an inverter chopper power module; the control unit comprises a traction control unit, a sensor, a filter and a power supply; the cooling unit comprises a heat exchanger, a water pump, a water replenishing box, a pipeline, a temperature sensor, a pressure sensor, a valve and a cooling pipeline; and the wiring harnesses include low-voltage wiring harness and high-voltage wiring harness. Electric transmission based on the converter gradually replaces the traditional transmission mode by the advantages, such as low speed, large toque, uniform low-speed operation, flexible configuration and high reliability; the electric transmission is the mainstream development direction of ship propulsion; and thus, the electric propulsion converter has wide application prospect.
Owner:CRRC YONGJI ELECTRIC CO LTD

Automatic welding machine for ear straps of face mask

The invention discloses an automatic welding machine for ear straps of a face mask. The automatic welding machine for the ear straps of the face mask comprises a rack. An equipment platform is arranged on the rack, a mask conveying mechanism, a thread feeding mechanism, a thread winding mechanism, a thread shearing mechanism, a welding mechanism, a stacking mechanism and a controller are arrangedon the equipment platform, and the thread feeding mechanism, the thread winding mechanism, the thread shearing mechanism and the welding mechanism are arranged above the mask conveying mechanism. Thestacking mechanism is arranged at the output end of the mask conveying mechanism, the mask conveying mechanism comprises two chain wheel supports, a driving double-chain wheel and a driven double-chain wheel, two parallel and tensioned chains are arranged between the driving double-chain wheel and the driven double-chain wheel, and the two chains are both located on the surface of the equipment platform. A plurality of flat plate type mask carriers are transversely and evenly laid on the two chains. The automatic welding machine for the ear straps of the face mask has the beneficial effects that the conveying positioning precision is high, the average transmission ratio is accurate, the transmission is stable, the efficiency is high, the transmission power is high, the overload capacity ishigh, the high-speed performance is excellent, and maintenance and debugging are convenient.
Owner:HUIZHOU HAPPY VAPING TECH LTD

Raw material sealing and mixing device for dry battery production technology

The invention belongs to the technical field of dry battery production, particularly relates to a raw material sealing and mixing device for the dry battery production technology and aims at providing the raw material sealing and mixing device for the dry battery production technology, wherein the raw material sealing and mixing device for the dry battery production technology is easy to operate, small in workload and uniform in mixing. The device comprises a bottom plate, supports, a first large belt wheel, a first rotating shaft, a rotation motor, a first flat belt, a first small belt, a first bearing block, a second rotating shaft, a second bearing block, a sliding block, a sliding rail, a first cover, a second cover, a lower protrusion, a closed ring and the like. A left frame is welded to the left end of the top of the bottom plate, and the supports are symmetrically welded to the right side of the top of the bottom plate. The top ends of the two supports are connected with the sliding rail in a bolt connecting manner. According to the raw material sealing and mixing device, the effects of simple operation, the small workload and uniform mixing are achieved; and the raw material sealing and mixing device has important functions that a good mixing effect is achieved, in addition, the work efficiency is improved, and safety is high.
Owner:陈红

Method for manufacturing novel super-high speed precision ball bearing

The invention discloses a method for manufacturing a novel super-high speed precision ball bearing. The method comprises the following steps: (a) preparing a Cr-N-C gradient compound coating; (b) washing a steel ball sample and drying with cold air; (c) highly vacuumizing by putting the steel ball in a cavity; (d) introducing Ar2, exerting a negative bias after rising of the air pressure, opening a Cr target to promote the current, washing the matrix, and opening a rotary workpiece clamp to rotate the steel ball in a constant speed; (e) reducing the negative bias and the chromium target current; (f) depositing the Cr-N-C gradient compound coating by exerting a negative bias on the matrix, wherein the Cr-N-C gradient compound coating is composed of a Cr bottom layer, a Cr-N transition layer and a Cr-N-C work layer; and (9) closing the Cr target, the C target and the nitrogen, and continuously introducing an argon. By adopting the technical solution provided by the invention, the temperature rise of the precision ball bearing can be greatly reduced, the vibration of the bearing can be reduced and the vibration stationarity can be increased, and then the high speed performance of the precision ball bearing and the reliability of the performance life can be increased and simultaneously the loading ability can be increased.
Owner:LUOYANG INST OF SCI & TECH

Powder reinforced stirring friction riveting method and device

The invention relates to a powder reinforced stirring friction riveting device. The powder reinforced stirring friction riveting device comprises a stirring friction riveting main shaft, a C-shaped rack and a workbench, wherein the stirring friction riveting main shaft comprises a rotary mechanism, a feeding mechanism, a vibrating/rotating mixing mechanism and a powder feeding mechanism; the stirring friction riveting main shaft is used for realizing the rotary motion and feed motion of a rivet and feeding and mixing powder; the C-shaped rack is used for fixing the stirring friction riveting main shaft and the workbench; and the workbench is mainly composed of a force cell, a sensor head, a tool die and a tool pressing plate and is used for clamping a to-be-riveted workpiece and testing the riveting acting force of the main shaft in real time. According to the powder reinforced stirring friction riveting device, the powder reinforced stirring friction riveting between same or differentlight plates at room temperature can be realized, a riveted stirring friction riveting joint without key hole defects and with good joint forming quality and high connecting strength can be obtained,the required riveting forming force is less than that of traditional riveting, and the powder reinforced stirring friction riveting device has the advantages of high efficiency, simplicity and convenience in operation and low energy consumption.
Owner:XI AN JIAOTONG UNIV

Constant speed variable pitch straight wing all direction propeller

The invention discloses a constant speed variable pitch straight wing all direction propeller which comprises a main engine, an engine base, a main shaft, a rotating disc, a steering engine, a rudder shaft, a central gear, an intermediate gear, a blade gear, blades and blade shafts. The main engine drives a sun gear to rotate, the sun gear is meshed with a planet gear, the planet gear is meshed with a gear ring, the gear ring is meshed with a speed control gear, and the speed control gear is controlled through auxiliary power to rotate; the planet gear is in running fit with a fixing shaft on a planet carrier, the planet carrier is linked with the rotating disc through the main shaft, and the main shaft is in running fit with the engine base; the rudder shaft sequentially penetrates through the sun gear, the main shaft and the rotating disc, one end of the rudder shaft is linked with the steering engine, and the other end of the rudder shaft penetrates through the rotating disc and then is connected with the central gear in the rotating disc; the blade shafts are in running fit with the interior of the rotating disc, the blade shafts are parallel to the main shaft, the blade shafts are evenly distributed in the circumferential direction with the central gear as a center, the blade shafts penetrate through the blade gear and are fixedly connected to the blade gear, and the blade gear is meshed with the central gear through the intermediate gear; one end of each blade shaft is connected with the corresponding blade.
Owner:ZHEJIANG FENGSHEN MARINE ENG TECH
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