8results about How to "Avoid changing angles" patented technology

The utility model discloses a drill bit processing open blade device, the utility model relates to drill bit processing technical field. This drill bit processing open blade device includes the base, the top of base is provided with the open blade mechanism, polishes the component, sets up at the top of base, is used for polishing to the drill bit, adjusting component, including the movable frame movable mounting in the top of base, the rear side fixed mounting of movable frame has the adjusting cylinder, the inside fixed mounting of movable frame has the step motor, when the connecting block rotates with transmission frame, the limit rod is affected by radial force, the inside end gathers to transmission frame center axis, finally with the end round structure and tightly the drill bit outer circumferential surface, realizes clamping, and the screw rotation transmission has the continuity of adjustable, when the driving motor rotates different number of turns, the screw drives the transmission block to move different distance, makes transmission frame rotation angle change, and then changes the gathering degree of limit rod, to adapt to the drill bit of different diameter, to expand the scope of application.

The present application relates to the technical fields of compressor piston rod maintenance, and provides a reciprocating compressor piston rod protection device, which comprises a base, the left side of the base is connected with a bottom plate, the upper part of the bottom plate is provided with an oil tank, an oil pipe connected to the gear oil pump is output from the oil tank, an oil pipe connected to the electromagnetic reversing valve is output from the gear oil pump, an oil pipe connected to the throttle valve is output from the electromagnetic reversing valve, an oil pipe connected to the hydraulic control check valve is output from the throttle valve, an oil pipe connected to the balance valve is output from the hydraulic control check valve, and an oil pipe connected to the lifting oil cylinder is output from the balance valve. The piston rod is placed horizontally between the concave bracket and the upper and lower flaps, and the piston rod in the upper and lower flaps is converted from the horizontal state to the vertical state through the lifting action of the lifting oil cylinder, so that the deflection of the piston rod is prevented from changing, the probability of failure of the piston rod during operation is reduced, and the problem of difficult hoisting when the piston rod is vertically placed is solved.

The invention relates to the technical field of satellite signal receivers, and particularly discloses a data communication signal receiving device and method.The device comprises a base and an adjusting mechanism, and the adjusting mechanism is arranged in an inner cavity of the base; the number of the first motor protection covers is two, and the two first motor protection covers are arranged at the upper end and the lower end of the rear side of the base correspondingly. The bottom end of the steering rod is arranged at the top end of the adjusting mechanism; the rear side of the U-shaped bracket fixedly sleeves the top end of the outer wall of the steering rod; the switching mechanism is arranged in an inner cavity of the U-shaped support. When the device is used, the tuner at the focal point of the parabolic reflecting surface can be adjusted according to watched television programs, so that the receiving strength of satellite signals is improved, the experience feeling of a user is improved, meanwhile, the device can automatically adjust the angle of the parabolic reflecting surface, the requirement of manual adjustment is reduced, waste of labor resources is reduced, and the working efficiency is improved. And the working efficiency is improved.

The seed classificator for corn seed screening comprises a fixing frame, an electric telescopic rod is fixedly connected to the top of the left side of the fixing frame, a connecting rod is fixedly connected to the top of the electric telescopic rod, a vertical rod is fixedly connected to the bottom of the connecting rod, and a toothed plate is fixedly connected to the front face of the vertical rod. A gear is meshed with the front face of the toothed plate, a rotating shaft is fixedly connected to an inner cavity of the gear, a shell is fixedly connected to one side of the rotating shaft, and a driving motor is fixedly connected to the position, located at the top of the middle shaft, of the right side of the shell. By arranging the driving motor, the driving shaft, the material guide plate and the partition plate, slow discharging is facilitated, materials are prevented from being stacked on the top of the screen plate, the screen plate is conveniently driven to vibrate by arranging the vibration motor and the inclined plate, the screen plate is conveniently driven to shake by arranging the electric telescopic rod, the connecting rod, the vertical rod, the toothed plate, the gear and the rotating shaft, and therefore screening is efficient.

The utility model discloses a kind of aluminum pipe bevel cutout burnishing device, belong to aluminum pipe processing technical field, and its technical scheme main points include bottom plate and aluminum pipe ontology, the top of the bottom plate is provided with burnishing mechanism, the left side of the burnishing mechanism is provided with clamping mechanism, the top of the bottom plate is movably provided with slide, the top of the slide is provided with adjusting rod;The burnishing mechanism includes burnishing disc, frequency conversion motor, adjusting plate, pivot and adjusting block, the bottom of the burnishing disc is fixedly connected with the top of frequency conversion motor output shaft, the bottom of the frequency conversion motor is fixedly connected with the top of adjusting plate, the adjusting plate is rotatably connected in the inside of pivot, solve the current part to the burnishing method of aluminum pipe bevel cutout, artificial hand-held aluminum pipe burnishing, inconvenient to keep aluminum pipe bevel cutout angle and polishing equipment stable contact, prone to cause the change of aluminum pipe bevel cutout angle after burnishing, affect the problem of subsequent use.

The present invention discloses a connection structure between a propeller blade and a pitch-changing device, and specifically relates to the technical field of propellers, including a propeller shaft, wherein the upper end of the propeller shaft is fixedly connected to a propeller hub, and the upper part of the outer surface of the propeller shaft is equidistantly annularly distributed and fixedly connected to cylinders, and the inner surfaces of the three cylinders are all rotatably connected to round rods, and the ends of the three round rods that are away from each other are all fixedly connected to blades by bolts, and the outer surface of the propeller shaft is provided with an angle adjustment component, and the inner surfaces of the three cylinders are all provided with sealing components. The connection structure between a propeller blade and a pitch-changing device described in the present invention is provided with an angle adjustment component, so that each blade on the propeller shaft can be adjusted in angle during rotation, and multiple blades can also be uniformly adjusted according to actual needs, so as to meet the use requirements of helicopters in different flight scenarios, improve the flight stability and maneuverability of the helicopter, and effectively improve the flight safety and fault tolerance of the helicopter.

This utility model relates to the field of machining technology, and in particular to a crankshaft lathe faceplate with a support and locking device. The faceplate body is equipped with a support device, and a ring is provided around the circumference of the faceplate body. At least one locking device is provided around the faceplate body, comprising two opposing clamping members for locking the ring. Each clamping member is equipped with a pin as a fulcrum and can swing around it. Each clamping member has a piston at its tail as a drive for its swing. The pistons of the two clamping members are arranged oppositely, with opposite pushing directions. In this embodiment of the utility model, a ring is provided at the edge of the faceplate body, and a locking device is provided around the faceplate body, comprising two clamping members that can lock the ring. Each clamping member is equipped with a piston, and the piston's pushing action can quickly lock the ring, thereby locking the faceplate. This prevents changes in the angle of force on the workpiece during crankshaft journal machining, thus ensuring crankshaft machining accuracy.

The utility model relates to the technical field of shaft structures, and discloses an aviation launcher high-stability rotating shaft structure which comprises a base, two sets of supporting plates are arranged on the upper side of the base, rotating shafts are connected to the opposite sides of the two sets of supporting plates, a first motor is installed on the upper side of the base, and the transmission end of the first motor is connected with a rotating rod. A speed reducer is arranged on the left side of the first motor, the rotating rod is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the rotating shaft, and a limiting device is arranged on the left side of the first motor. And therefore, the angle change of other workpieces on the outer side of the rotating shaft is avoided, the use stability and efficiency of the device are improved, the practicability of the device is improved, and the stability and accuracy of a model airplane launching experiment are reduced.