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144results about How to "Coupling stability" patented technology

Welding wire sending and pulverized solder sending laser cladding forming method and device

InactiveCN101733550AIncrease peripheral light intensityOvercoming the deficiency of undermeltingLiquid spraying apparatusWelding/cutting media/materialsLight beamLaser beams
The invention discloses a welding wire sending and pulverized solder sending laser cladding forming method. The method is characterized in that a conscope is used to change a solid laser beam transmitted by a laser to an annular light beam through light path transformation, then an annular focus lens is used to focus the annular light beam to an annular conical light beam, a hollow conical aphotic zone is formed in the annular conical light beam, a welding wire sending and pulverized solder sending protective gas composite nozzle is arranged in the aphotic zone and has the same axis of the annular conical light beam, a welding wire sending hole is arranged in the center, parallel pulverized solder sending holes are around the welding wire sending hole, collimating protective gas holes are parallel to and around the pulverized solder sending holes, wire is sent to a molten pool through the welding wire sending hole along the axial direction of the light beam and vertically to a machining face, airborne pulverized solder is sent to the molten pool through the pulverized solder sending holes at the same time, and collimating protective gas surrounds the welding wire and pulverized solder and is blown to the molten pool. The invention adopts the welding wire sending and pulverized solder sending protective gas composite nozzle to realize welding wire, pulverized solder and protective gas composite cladding and solve the defects of the prior art.
Owner:SUZHOU UNIV

Protecting, fixing and retracting integration device of an acoustic emission deep hole monitoring sensor

The invention discloses a protecting, fixing and retracting integration device of an acoustic emission deep hole monitoring sensor. The device consists of a sensor protecting sleeve, a fixing device of the sensor protecting sleeve, a guider, a mounting rod, a directional ring and a rotary disc. The front end of the sensor protecting sleeve is connected with the fixing device of the sensor protecting sleeve by counterclockwise screws. The tail part of the sensor protecting sleeve is connected with the guider by clockwise screws, and is connected with the mounting rod through a pin and a unidirectional clamping groove. The directional ring is fixed at the front end of the mounting rod. The rotary disc is mounted on the tail part of the mounting rod. During retracting, the rotary disc facilitates the mounting rod to screw the sensor protecting sleeve off the fixing device of the sensor protecting sleeve. The device can better overcome the defects of insufficient protection, simple mounting angle and large absence or deflection of the monitored data due to untight coupling of the sensor and the rock existing in the traditional sensor, solves the problem of difficult retracting of the sensor in deep hole mounting, can be widely applied to rock engineering of tunnels, underground chambers, mine underground stopes, roadways and the like, and has great economical benefit.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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