32results about How to "Control flip" patented technology

The invention relates to a shaped conductor manufacturing technique and a device thereof, wherein, the manufacturing technique comprises payingoff step, lead-forming step and lead-drawing step and is characterized in that the lead-forming step adopts the technique of combing drawing and rolling; the section of a lead is shaped by rolling; the sectional area of the lead meets requirement by drawing; the device comprises a payingoff device, a shaped conductor forming device and a lead-drawing device which are sequentially arranged, wherein, the shaped conductor forming device is provided with a shaped groove roller device. The technique ensure the quality of products, greatly improves producing efficiency and meets the production requirement of compound carbon fiber aluminum stranded conductors required by ultra-high and super-high power transmission.

The invention discloses a fixing frame used for automobile brake disc processing. The frame includes a fixed base, a first motor, a screw rod, a gear structure and a fixing component. The upper end ofthe fixed base is provided with a rotating base, and the middle of the upper end of the rotating base is provided with the first motor. The middle of the lower end of the first motor is connected with a first rotating shaft, and the lower end of the first rotating shaft runs through the rotating base, and the lower end of the first rotating shaft is connected with the fixed base. Fixed pipes aresymmetrically arranged on the left and right sides of the upper end of the rotating base, and the inner sides of the fixed pipes are slidably connected with the lower parts of lifting rods, and secondmotors are arranged on the bottoms in the fixed pipes. The center of a brake disc is located through a central fixing shaft, an electromagnet is electrified, a fixing block moves towards the side edge of the brake disc to attract the side edge of the brake disc, the side edge of the brake disc is then fixed, this design can allow the fixing frame used for automobile brake disc processing to fix various brake blocks different in size, and fixation is firm.

The invention provides a method for preventing coal mine tunnel floor type rock burst and belongs to the technical field of coal mine safe mining. The method for preventing coal mine tunnel floor typerock burst comprises the following steps that impact-hazard areas of different grades are divided, and prevention areas where rock burst prevention needs to be conducted are determined; a number of drilled holes are formed along the longitudinal direction in two sides of prevention area tunnel floors respectively; explosive charge is conducted in bottom-breaking blasting explosive segment, and blasting is conducted; expansive cement is injected into a first hole-sealing cement segment, and holes are sealed; yellow mud is poured to a yellow mud buffering zone; shearing deformation-resistant components are put into a shearing deformation-resistant component segment; and cement is injected into a second hole-sealing cement segment, and hole are sealed. By means of the method for preventing coal mine tunnel floor type rock burst, continuously increasing stress on bottom coal or soft rocks is lowered; the phenomenon of ultralow friction slippage in bottom coal or soft rock layer is reduced; the risk of occurrence of floor type rock burst is lowered; occurrence of floor rock burst can be effectively prevented; and the prevention effect of rock burst is improved.

The invention discloses a chip automatic tinning device. The chip automatic tinning device comprises a four-shaft tinning working platform, a chip positioning device, a flux tank, at least one tin pot and a control device; the chip positioning tool is used for positioning a chip on the chip positioning tool to determine the center position of the chip; the control device is used for controlling actions of the four-shaft tinning working platform according to the center position of the chip; the at least one tin pot is used for tinning the chip; and the flux tank is used for adding a flux to the chip. The chip automatic tinning device can precisely control the tinning height to achieve good consistency, is not liable to generate short circuit and deformation for pins, has no need to hold the chip by a hand for operation, is not influenced by the physical power of people, is high in tinning efficiency, and can prevent pollution of the chip by the hand and risks possibly caused by static electricity of human bodies.

The invention relates to a variable-pitch combinational louver, in particular to a roller system of a louver pin shaft roller mechanism and an incomplete gear overturning mechanism. The invention provides a roller mechanism with a shaft pin and a shaft pin roller system with an incomplete gear overturning mechanism. The roller system is used for controlling auxiliary louver blades to ascend and overturn and controlling main louver blades to overturn.

The invention relates to the technology of storers and solves problems that a large-area monocrystalline silicon substrate is consumed in a storer containing a passive storage unit circuit and the read-only storer of a combined substrate is hard to make. According to the technical scheme, the storer comprises an insulating substrate, a passive storage unit matrix circuit, a lead line and at least one control chip, the passive storage unit matrix circuit and the lead line are arranged on the upper surface of the insulating substrate, the control chips are in circuit connection with the passive storage unit matrix circuit through the lead line, and the control chips are reversely installed on the upper surface of the insulating substrate. The storer has the advantages of being easy to make and suitable to the real-only storer.

The invention discloses a mineral petrology three-dimensional model molding device. The mineral petrology three-dimensional model molding device comprises a metal support, a sliding block, a screw rod, a disc and a fan, a left side positioning frame is fixedly installed on the left side of the interior of the metal support, and the side face of the left side positioning frame is connected with a right side positioning frame through a threaded rod; the sliding block is clamped to the outer side of the metal support, and a fixed transverse rod is welded to the side face of the sliding block; the screw rod is rotationally installed on the side face of the left side positioning frame, and an installation frame is arranged outside the screw rod in a penetrating mode; the disc is fixedly installed on the side surface of the metal support; and the fan is fixedly installed in the middle of the front side of the installation frame. According to the mineral petrology three-dimensional model molding device, a novel structural design is adopted, so that irregular-shaped rocks can be stably clamped and limited in the device, and the overturning of the rocks is conveniently controlled; and a rock surface cleaning structure is arranged in the device, so that the continuity and normal proceeding of rock three-dimensional molding processing are kept.

The invention provides a valve press adapting to multiple angles, and aims to solve the problems that in the prior art, the press-fitting efficiency is low, and press-fitting of valves at different angles cannot be adapted. The valve press adapting to multiple angles comprises a pressing head, a position-changing mechanism and a support, wherein the pressing head comprises a linear driving piece,a mounting seat and at least two tail end pressing piece; the linear driving piece provides driving power; each tail end pressing piece is mounted on the mounting seat; the position of each tail end pressing piece is adjustable; each tail end pressing piece comprises a hard shell and a deforming core; each hard shell has a cylindrical structure of whine one end is downwards and vertically providedwith an opening; each deforming core is placed in the corresponding hard shell; the position-changing mechanism comprises a working stage, a driving piece and a limiting mechanism; the working stageis used for mounting an engine cylinder head; the driving piece drives the working stage to overturn on a supporting lug; the limiting mechanism limits forward rotation ultimate displacement and reverse rotation ultimate displacement of the working stage; and the support is used for mounting the pressing head and the position-changing mechanism.

The invention relates to a circuit structure of a peak current circuit capable of automatically regulating output voltage. The circuit structure comprises an operational amplifier, an output end of the operational amplifier is connected with a grid end of a third metal oxide semiconductor (MOS) transistor; a source end of the third MOS transistor is connected with an anti-phase end of the operational amplifier and is grounded through a first resistor; a drain end of the third MOS transistor is connected with a drain end of a first MOS transistor, a grid end of the first MOS transistor and a grid end of a second MOS transistor; source ends of the first MOS transistor and the second MOS transistor are correspondingly connected and are connected with a power supply IDC; the power supply IDC is connected with a drain end of the second MOS transistor corresponding to the other end which is connected with the source end of the second MOS transistor; and a drain end of the second MOS transistor is grounded through a second resistor. The circuit structure is simple, regulation is convenient, the use safety of a converter is guaranteed, the service life of the converter is prolonged, the usage cost of the converter is reduced, and the circuit structure is safe and reliable.

The invention discloses a link mechanism, and particularly relates to a dual-shaft positioning link mechanism which comprises a platform plate and a lifting mechanism arranged below the platform plate. The lifting mechanism comprises two supporting mechanisms. Each supporting mechanism comprises a fixed shaft, two rotating shafts and a positioning shaft. The positioning shafts of the two supporting mechanisms are both hinged to the platform plate. The fixed shafts of the two supporting mechanisms are fixed to the same horizontal position. The two rotating shafts of each supporting mechanism are connected with the corresponding fixed shaft and the corresponding positioning shaft through connecting rods respectively, a screw is arranged between the two rotating shafts, one rotating shaft is connected with the screw in a threaded mode, the other end of the rotating shaft is fixedly provided with a motor, and an output shaft of the motor is connected with the screw. The technical defects that in the prior art, the automation degree is low and work efficiency is low are overcome, and the dual-shaft positioning link mechanism can be automatically controlled and is high in efficiency.

The present invention relates to an apparatus for controlling rotation and stopping of a microwave oven grill, wherein both ends of the grill are respectively provided with a first rotation shaft and a second rotation shaft, the first rotation shaft is placed on a bracket on the right side wall of a microwave oven cavity, and forms rotation matching with the bracket, the left side wall of the microwave oven cavity is fixed with a motor, an output shaft of the motor is connected with the second rotation shaft, the motor is a synchronous motor and is provided with a hall element, the second rotation shaft is provided with a magnetic element matched with the hall element, the hall element and an input end of a controller are connected, and the synchronous motor and an output end of the controller are connected. The present invention further discloses a controlling method for controlling the apparatus for controlling rotation and stopping of the microwave oven grill. According to the present invention, matching of the hull element and the magnetic element is adopted, such that the initial position of the motor can be determined and fixed, accumulated errors during a time control phase process can be eliminated; and the controller can be adopted to control flipping, pausing and positioning of the motor so as to control flipping, pausing and positioning of the grill; and the synchronous motor is adopted so as to reduce cost.

The invention belongs to the technical field of rail damping, and particularly discloses a rail damping fastener with high transverse stability, which comprises a rail damper arranged at the lower end of a steel rail and a sleeper positioned below the rail damper, and the rail damper is of an integrated metal-rubber composite structure. The rail shock absorber comprises a metal top plate, a metal bottom plate and a rubber vulcanization body, the metal top plate, the rubber vulcanization body and the metal bottom plate comprise a first inverted-cone-shaped side wall, an inverted-cone-shaped rubber vibration isolation peripheral wall and a second inverted-cone-shaped side wall which are matched with one another from inside to outside, and a bottom support is arranged between the rail shock absorber and the sleeper. The rail shock absorber has high transverse stability while having good shock absorption performance, and meanwhile, the non-linear variable rigidity and protection rigidity can be achieved through the rail shock absorber.

The invention relates to a ring-spinning machine special piece-spindle; the spindle comprises a high speed revolving piece spindle blade plate and a dual-flexible bolster assembly (figure1); the spindle blade plate has various types so as to match with the bolster assembly; the invention relates to the dual-flexible spindle bolster assembly; the dual-flexible spindle bolster assembly (figure 1) comprises a spindle insert joint1, a flexible ring 2, and a bolster joint 3; the flexible ring 2 is the key part that connects the spindle insert joint with the bolster joint, is made of visco-elastic material-engineering plastic, and special shape design can provide ideal elasticity and damping, so an upper bearing can obtain the flexibility, thus providing ideal elasticity and necessary damping, and forming a dual-flexible most perfect vibration absorption environment capable of qualitatively improving the spindle performance.

The invention discloses a multifunctional moving type die opening and board overturning machine, and relates to the technical field of building construction. The machine comprises a chassis frame beam, wherein a fixing shaft is arranged on the chassis frame beam; a first product pallet and a second product pallet are arranged on the fixing shaft and are rotated around the fixing shaft which is treated as an axis; board overturning devices are arranged at the front end and the rear end of the chassis frame beam and are correspondingly connected to the first product pallet and the second productpallet; and a moving device is arranged at the bottom part of the chassis frame beam. The machine has the beneficial effects that the machine is flexible to move; a die of a building die plate can beremoved during board overturning, and the bidirectional board overturning is realized; the operation step of board overturning of a building wallboard is simplified; and the board overturning flexibility and operating efficiency can be improved.

The invention discloses gear welding equipment for manufacturing a large gear. The gear welding equipment comprises a base, wherein a rotating plate is rotationally mounted on the top surface of the base; a placement plate is rotationally mounted on the top surface of the rotating plate in a central symmetric mode; clamping blocks on inner side clamping plates can clamp the inner diameter of the inner side part of a gear to be welded; and clamping blocks on outer side limiting plates can clamp the outer diameter of the outer side part of the gear to be welded. By adopting the gear welding equipment, the concentricity of the inner part and the outer part can be guaranteed, the welding machining quality is guaranteed, the two sides of the gear are subjected to welding when the gear is welded, the rigidity of the gear can be guaranteed, the gear can be automatically controlled to turn over, and the gear is convenient to move.