47results about How to "Fastened" patented technology

The invention provides a filament welding machine, and belongs to the technical field of machinery. The filament welding machine solves the technical problems of low automation degree, poor welding quality and the like of an existing filament welding machine. The filament welding machine comprises a base, a rotating disc is arranged on the base, a stepping motor driving the rotating disc to rotate is arranged between the rotating disc and the base, a plurality of clamping devices are uniformly and circumferentially distributed at the edge of the rotating disc, the base is provided with a molybdenum strip feeding device, a first weld-aid device, a tantalum strip welding device, a second weld-aid device, a tungsten filament welding device and a filament discharging device, and the molybdenum strip feeding device, the first weld-aid device, the tantalum strip welding device, the second weld-aid device, the tungsten filament welding device and the filament discharging device are sequentially distributed on the periphery of the rotating disc. The filament welding machine has the advantages of high automation degree and welding quality and the like.

The invention discloses a special fixture for triangular body workpieces. The fixture comprises a bottom plate, a base, a first pressing plate and a power cylinder. The base is arranged on the bottom plate. A first through groove with the cross section being an inverted triangle shape is dug in the base. The power cylinder is arranged on one side of the bottom plate and is connected with the first pressing plate through a Y joint. The first pressing plate is hinged to the Y joint and can rotate up and down around the hinged portion of the pressing plate and the Y joint. A second pressing plate is arranged on the outer surface of the side, close to the first pressing plate, of the base. The second pressing plate is not parallel to the first pressing plate. According to the disclosed special fixture for the triangular body workpiece, the Y joint and the base provided with the through groove are arranged so that different surfaces of the two triangular body workpieces can be clamped at the same time under cooperation of the two pressing plates through the fixture. Besides, the fixture has the characteristics of being high in positioning precision, stable in clamping and easy to operate.

The invention discloses a clamp for lathing the ventilation face of a volute. The clamp effectively clamps and fixes the volute of a booster, locates the center of the ventilation face of the volute of the booster on the axis of the lathe, is convenient to use, and can improve the lathing precision of the ventilation face of the volute and improve the processing quality of the workpiece. The clamp comprises a chassis; the clamp is characterized by comprising a locating boss and a support ring, wherein the bottom of the locating boss is provided with a limiting face, a through hole is formed on the chassis in a manner of deviating from the circle center, the locating boss is inserted into the through hole of the chassis, the support ring is sleeved on the locating boss, a to-be-processed volute is located on the locating boss by a junction surface thereof and is attached to the support ring, and the to-be-processed volute is fastened with the support ring and the chassis by bolts through the junction surface connection hole thereof.

The invention relates to a cutting off machine. The machine comprises a frame, wherein the frame is provided with a feeding and clamping mechanism and a cutting power assembly; the feeding and clamping mechanism comprises a clamping device and a feeding device propelled in a translational way along a track; the feeding device clamps a blank and feeds the blank into the clamping device in a translational way; the cutting power assembly comprises a motor and a cutting disc which is driven by the motor to rotate at a high speed; in a horizontal direction, relative movement between the feeding and clamping mechanism and the cutting power assembly is restrained through the track; the cutting disc of the cutting power assembly is inserted into the blank clamped on the clamping device in a translational way along the direction of the track; and in a cutting process, the blank is pushed into the clamping device in a translational way along the track under the clamping action of the feeding device, clamped by the clamping device and cut by the cutting disc in another vertical direction. A product processed by the cutting off machine has the advantages of high accuracy, stable quality, correct blank location degrees (planeness and verticality) and high consistency.

The invention belongs to the field of machining of aero-engine turbine guide blades, and relates to a guide blade edge plate dustpan hole machining rapid changing clamping device and method. The clamping device is in a whole type, a positioning block and a supporting plate are arranged on the angular face of a clamping device body, the direction of a guide blade edge plate is positioned through a positioning face on the positioning block, through two positioning pins on the positioning block and one positioning pin on the supporting plate, positioning of the circular-arc top face of the guide blade edge plate in the vertical height direction is achieved, and the guide blade edge plate is jacked upwards from the lower portion of the guide blade edge plate through a jacking mechanism so that the guide blade edge plate is clamped; the exhaust side end face and the positioning face of the positioning block are attached, the guide blade edge plate is jacked upwards by adjusting the jacking mechanism, the circular-arc top face of the guide blade edge plate is tightly attached to the first positioning pin, the second positioning pin and the third positioning pin, a uniform gap is arranged between the exhaust side end face and the positioning face, and the beneficial effects of being compact in structure and rapid and convenient to operate are achieved.

The invention discloses a fine-tuning mechanism for a fast and slow needle that can be locked by a balance wheel with a card, comprising a balance splint, a hairspring outer post, a hairspring, a shock absorber, a balance wheel and a speed and slow needle mechanism. The balance splint is fixed on the movement of a mechanical watch. Above, the inner end of the hairspring is connected to the balance wheel shaft, and the speed needle mechanism is composed of a speed needle body, a hairspring clamp, a speed needle connecting rod and a fine-tuning screw of a large cap and a small eccentric shaft. The body and the speed needle connecting rod are set on the pendulum cleat through the shock absorber, the hairspring is arranged in the hairspring clamp, and the outer end of the hairspring is fixedly connected with the outer pile of the hairspring, and the hairspring clamp is composed of a hairspring locking flap and a hairspring It consists of moving lock flaps. The hairspring outer post and the speed needle of the present invention can be fixed and easy to adjust, the hairspring and the hairspring clip are firmly attached, which is convenient for the rapid coarse and fine adjustment of the position of the speed and slow needle body, and the structure is reasonable, and the accuracy of the watch is improved. s efficiency.

The technical solution of the present invention is a multifunctional climbing device for a distribution network of a power supply company, an assembling method and a using method. The technical scheme is: a multifunctional climbing device for distribution network of a power supply company, comprising two racks arranged oppositely and connected with bolts, a detachable and replaceable clamping mechanism is arranged on the racks, and a shaft is arranged at the rear end of the racks. The connected pedal, the bottom of the frame is provided with an auxiliary support mechanism. The beneficial effect of the present invention is that the clamping mechanism can be disassembled and replaced to meet different work needs, and the supporting support mechanism can share the force of the clamping mechanism to improve the safety of the device. Simple and smooth, strong logic, easy to operate; the use method is firmly clamped and easy to adjust.

The invention discloses a chain sheet clamping device and a chain sheet machining equipment provided with the same and relates to the field of a clamping device for clamping a chain sheet and a chain sheet machining equipment. The chain sheet clamping device comprises a mounting pedestal which is mounted on the chain sheet machining equipment, and a first end propping-up mechanism and a second end propping-up mechanism which are relatively arranged on the mounting pedestal at an interval for propping up two ends of the chain sheet; the first end propping-up mechanism comprises right-angled baffle plates and a first baffle plate; the second end propping-up mechanism comprises second baffle plates and clamping arms. The chain sheet clamping device can clamp the chain sheet at one time to machine different holes, so that the machining precision and production efficiency are improved. The chain sheet machining equipment comprises a base, the chain sheet clamping device which is arranged on the base and a first machining knife tackle which is arranged on the base and is arranged correspondingly perpendicular to the chain sheet clamping device. The equipment can process a plurality of chain sheets simultaneously, is stable to clamp, can enhance the machining precision, and further can greatly enhance the machining and production efficiency.