31results about How to "Stable and reliable turning" patented technology

The invention relates to a screen pull-out overturning structure. The screen pull-out overturning structure comprises a bracket, a translation mechanism and a display screen mounting overturning rack hung on the translation mechanism, wherein the left and the right sides of the bracket are both provided with a linear bearing seat, a fixed plate, telescopic sliding rods and horizontal connecting pieces; the linear bearing seat and the fixed plate are respectively arranged on the bracket; one end of each horizontal connecting piece is horizontally inserted in the linear bearing seat; the lower end of each telescopic sliding rod is hinged to the fixed plate; the left and the right sides of the translation mechanism are respectively hinged to the upper ends of the telescopic sliding rods positioned on the left and the right sides of the bracket; and the left and the right sides of the translation mechanism are further fixed at the other ends of the horizontal connecting pieces positioned on the left and the right sides of the bracket. The telescopic sliding rods on both sides of the bracket are pulled out synchronously, the display screen mounting overturning rack is horizontally pulled out through the limitation of the linear bearing seat and the horizontal connecting pieces, and the matching relationship among components is simple and reliable, so that a display screen arranged on the display screen mounting overturning rack is reliably pulled out and overturned.

An induction heating apparatus capable of stably operating at least one switching element contained therein is provided with a control circuit 5 which comprises a resonance waveform detector 6 for detecting a high frequency AC waveform supplied from an inverter circuit 3 to a heating coil 4 to produce a detection signal DS1 corresponding to high frequency AC power waveform; a phase comparator 8 for producing an adjusting signal PH corresponding to a phase difference between detection signal DS1 from resonance waveform detector 6 and drive signal D1 from drive circuit 7; and an addition circuit 13 for superimposing the drive signal D1 from drive circuit 7 on detection signal DS1 from resonance waveform detector 6 to supply to phase comparator 8the superimposed signal on a level same as or over operation threshold value VTH for the phase comparator 8.

The invention discloses a turnover device for electromechanical device installation. The turnover device comprises a fixed base, a control groove is formed in the top of the fixed base, supporting sliding wheels are rotationally connected to the positions, on the two sides of the control groove, at the top of the fixed base through installing bases, a turnover base is arranged on the upper side ofthe fixed base, sliding rails are fixedly connected to the outer surface of the turnover base, the sides, far away from the turnover base, of the outer walls of the sliding rails are connected with the sliding outer surfaces of the supporting sliding wheels, a turnover chain is fixedly connected to the outer side of the turnover base, a turnover motor is fixedly connected to the bottom of the inner wall of the control groove through a motor base, the front side of the turnover motor is rotationally connected with a first driving gear through an output shaft, a connecting shaft is rotationallyconnected to the two sides of the inner wall of the control groove, and a first reduction gear is fixedly connected to the outer surface of the connecting shaft. The turnover device for electromechanical device installation is relatively stable and reliable in turnover and convenient to protect, prevents sliding of electromechanical devices, and facilitates feeding and discharging.

The invention relates to the technical field of circuit board production equipment, in particular to an automatic circuit board turning device provided with a rotating cylinder and a push plate, the device includes a feeding conveyor frame and a discharge conveyor frame for transporting circuit boards, and also The utility model comprises a cylindrical turning device provided with a rotating cylinder and a pushing plate. The beneficial effect is: by using the rotating cylinder and the push plate, the circuit board is more stable and reliable during the overturning process, and at the same time, the circuit board is further detected during the overturning process by using the code scanner, the code engraving device and the visual detector in combination . The use of the rotating cylinder increases the processing stations of the circuit board during the flipping process, and can simultaneously scan codes, engrave codes and visual inspections, shorten the processing time of the circuit boards, make the circuit board processing process more three-dimensional, and further realize Automation and intelligence of the board flipping process.

The invention relates to a screen pull-out overturning structure. The screen pull-out overturning structure comprises a bracket, a translation mechanism and a display screen mounting overturning rack hung on the translation mechanism, wherein the left and the right sides of the bracket are both provided with a linear bearing seat, a fixed plate, telescopic sliding rods and horizontal connecting pieces; the linear bearing seat and the fixed plate are respectively arranged on the bracket; one end of each horizontal connecting piece is horizontally inserted in the linear bearing seat; the lower end of each telescopic sliding rod is hinged to the fixed plate; the left and the right sides of the translation mechanism are respectively hinged to the upper ends of the telescopic sliding rods positioned on the left and the right sides of the bracket; and the left and the right sides of the translation mechanism are further fixed at the other ends of the horizontal connecting pieces positioned on the left and the right sides of the bracket. The telescopic sliding rods on both sides of the bracket are pulled out synchronously, the display screen mounting overturning rack is horizontally pulled out through the limitation of the linear bearing seat and the horizontal connecting pieces, and the matching relationship among components is simple and reliable, so that a display screen arranged on the display screen mounting overturning rack is reliably pulled out and overturned.

The invention discloses an amorphous strip production system. The amorphous strip production system can greatly improve the continuous strip production capacity; two vacuum melting furnaces are used for automatic feeding, feeding is convenient and continuous, and the safety and stability of the feeding are greatly improved. The vacuum melting furnaces are stable and reliable during overturning, the labor intensity is reduced, and the safety and stability are improved. According to the amorphous strip production system, a heating rod and a filter net are arranged in a transferring receiving cylinder, and therefore the state and quality of melt can be effectively guaranteed; and meanwhile, the inclination of the transferring receiving cylinder is easy to adjust, the position and the inclining degree of a receiving mouth can be conveniently adjusted, and certain convenience is provided for the subsequent strip production. When the amorphous strip production system is utilized for formingstrips, protective gas can be used for cooling and protecting the strips, and the production quality of the strips is guaranteed; and the amorphous strip production system has the high automation degree, can greatly reduce the labor intensity, and realizes batch production.