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7206results about How to "Easy loading and unloading" patented technology

Automatic powder feeding laser induction composite coating method and device

The present invention discloses a laser induced composite cladding measure and device for the automatic powder feeder. The present invention couples the laser beam and the high frequency electromagnetic induction heating so as to realize the composite cladding between the laser and the induction heating. The device comprises a laser, a laser light guide device, a laser gathering system, a high frequency induction heater, a digital control machine tool and a workpiece holding device. In work, the distance between the surface of workpiece under treatment and the induction heating coil is 1 to 10 mm. The present invention has a strong commonality and can conduct surface treatment of laser induced composite cladding high performance material coat toward the surface of the solid components in various materials and the inner and outer surfaces of the tubular spare parts. The cladding measure is characterized in that: the high frequency induction heater heats up the workpieces simultaneously and the automatic power feeder is applied to deliver the cladding powder to the laser irradiation area on the surface of the workpiece, so the alloy powder is instantaneously melted under the action of laser beam to form an alloy layer; and the maximum cladding speed reaches 10 m / min and the cladding efficiency is improved by one to ten times than the regular laser cladding and the powder utilization rate exceeds 90 percent; the applicable cladding materials have a wide range, comprising various wear resistant, corrosion resistant materials or high temperature resistant oxidizing materials as well as the composite materials; moreover, the cladding layer has no pores and crackles.
Owner:WUHAN HIVALUE INTELASER LTD

Simulation method and experimental device for carbon dioxide replacement exploitation of gas hydrate

The invention discloses an experimental device and a method for carbon dioxide replacement exploitation of gas hydrate. The experimental device comprises a one-dimensional model, a gas supply unit, a working solution supply unit, an axial compression control unit, a back pressure control unit and an environment control unit. Each unit is respectively provided with a sensor connected to a data processing unit. The one-dimensional model is arranged in the environment control unit. The inside of the one-dimensional model is a sealed simulation cavity. The upper part of the one-dimensional model is provided with a gas and solution inlet, a gas and solution outlet and an axial compression solution inlet. A gas output pipeline of the gas supply unit is communicated with the gas and solution inlet after being connected with a working solution output pipeline of the working solution supply unit. A back pressure acquisition pipeline is communicated with the gas and solution outlet. The axial compression control unit is connected with the axial compression solution inlet. The one-dimensional model is also provided with a vacuum-pumping interface. The invention can really simulate the external environment to carry out simulation exploitation of carbon dioxide replacement of the gas hydrate, and can provide guidance for the carbon dioxide replacement exploitation of the gas hydrate.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Rapid shaping automatic powder feeding and spreading device

The invention relates to a rapid shaping automatic powder feeding and spreading device, comprising a workbench, a working plane, a quantitative powder feeding device and a powder spreading device, wherein, the working plane is arranged on the workbench, the powder spreading device is arranged above the workbench, and the quantitative powder feeding device is fixed on the upper part of the powder spreading device. The rapid shaping automatic powder feeding and spreading device is characterized in that the powder spreading device comprises a powder pressing roller, a connecting plate, a powder spreading bucket and a return powder feeding device, wherein, the powder pressing roller is arranged under the connecting plate; the powder spreading bucket comprises a front bucket and a rear bucket, and the front bucket and the rear bucket are respectively arranged at two sides of the powder pressing roller after penetrating the connecting plate; and the return powder feeding device is arranged above the powder spreading bucket and on the connecting plate. The automatic power feeding and spreading device can realize round-trip powder spreading via the powder spreading device with only one powder feeding device, thus greatly simplifying the structure; and the device has the characteristics of high powder spreading efficiency, reliable operation, saved space, saved cost, higher operating efficiency and the like.
Owner:WUHAN BINHU MECHANICAL & ELECTRICAL

Rock-soil body temperature-control dynamic characteristic test system and test method

The invention discloses a rock-soil body temperature-control dynamic characteristic test system and method, is characterized in that the system includes a dynamic triaxial pressure chamber and a temperature control device; the dynamic triaxial pressure chamber comprises a pressure chamber cylinder body, a piston rod and an upper dowel bar; a sample is arranged between the lower end of the upper dowel bar and the upper end of the piston rod; the dynamic triaxial pressure chamber also includes a pressure sensor, an axial displacement sensor, a deformation sensor, a confining pressure sensor, a lateral displacement sensor and a pore pressure sensor; the temperature control device includes a temperature sensor, a temperature controller and an arc plate type heater symmetrically coating the outer wall of the pressure chamber cylinder body. The temperature-control dynamic characteristic test method mainly includes installing the sample, setting the temperature control device, carrying out drainage consolidation of the sample, applying dynamic/static stress, and completing a temperature-control dynamic/static triaxial test, to determine the cumulative plastic strain, dynamic damping ratio, dynamic elastic modulus and other indexes of a rock-soil body under different temperatures. The system and the method have the advantages of uniform heating temperature, short heating time and low cost, and can accurately control the temperature in the pressure chamber.
Owner:NINGBO UNIV

Special baking oven and special movable material rack thereof for silicon material

The invention relates to a special baking oven and a special material rack thereof for silicon material. The baking oven comprises a thermal insulation shell, an inner container, a high temperature air cavity, a hot air duct, a heater, a circulating fan, a dehumidifier, a dehumidification pipe, a humidity sensor, a temperature sensor, a frame body, idler wheels and a silicon material box, wherein the high temperature air cavity is arranged on top of the inner container, the hot air duct is arranged around the inner container, the heater is arranged in the baking oven, the circulating fan is arranged between the high temperature air cavity and the hot air duct, the dehumidifier is communicated with the inner chamber of the inner container, and the humidity sensor and the temperature sensor are arranged to realize automation control of the baking oven. The movable baking shelf thereof can facilitate loading/unloading and in/out of silicon material, save baking preparation time, and has the advantages of high baking efficiency and low energy consumption. The whole silicon material box can be directly moved in the baking oven for baking, thereby greatly shortening technology preparation time and reducing labor strength of operators.
Owner:EGING PHOTOVOLTAIC TECHNOLOGY CO LTD

Six-axis five-linkage spiral taper gear cutting machine tool

InactiveCN101508039AEasy loading and unloadingEasy to realize automatic loading and unloadingLarge fixed membersMetal working apparatusGear cuttingEngineering
The invention relates to a six-axis five-linkage spiral bevel gear cutting machine. A lathe bed is provided with a fixed upright post and an X-direction linear guiderail with an X-axis slipway which is driven by a driving mechanism to move along the guiderail; the X-axis slipway is provided with a rotary table and a rotary table driving mechanism; the rotary table is provided with a workpiece box with a workpiece main shaft which is driven by the driving mechanism to rotate; one lateral surface of the upright post is provided with a Y-direction linear guiderail perpendicular to the X-direction linear guiderail; the Y-direction linear guiderail is provided with a Y-axis slipway which is driven by the driving mechanism to move along the guiderail; the Y-axis slipway is provided with a Z-direction linear guiderail perpendicular to the Y-direction linear guiderail; the Z-direction linear guiderail is provided with a tool box which is driven by the driving mechanism to move along the guiderail; and the tool box is provided with a rotatable tool spindle. The six-axis five-linkage spiral bevel gear cutting machine has the advantages of simple and stable structure, good reliability, good rigidity, few parts, small occupied area, easy protection and chip removal, and convenient assembly and disassembly of workpieces and tools.
Owner:CHANGSHA HALIANG KAISHUAI PRECISION MASCH CO LTD

Drum type washing machine and its control method

The present invention provides a drum-type washing machine which features suppression of vibrations and noises during dehydration. To this end, an unbalanced load occurring around a rotation axis of the drum due to uneven distribution of laundry is canceled. More specifically, a plurality of water tanks (20) each having an opening on the inner periphery thereof are provided around the rotation axis on the back side of the drum (3). Where an eccentric load occurring due to the uneven distribution of the laundry is greater than an allowable level, a water supply valve (14) is opened to introduce water into the respective water tanks (20) with the drum 3 kept rotated, and the water is kept retained in the water tanks by a centrifugal force. Thereafter, the rotation speed of the drum (3) is temporarily reduced at a time point according to the position of the eccentric load to cause the water to fall only from water tanks (20) located at the same position as the position of the eccentric load or adjacent the position of the eccentric load for reduction of the weight of the water retained therein. The eccentric load occurring due to the uneven distribution of the laundry is canceled by an eccentric load generated by the water tanks not fully filled with the water and the other water tanks fully filled with the water, whereby the unbalanced load exerted on the entire drum (3) can be eliminated.
Owner:SANYO ELECTRIC CO LTD
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