52results about How to "Guaranteed normal flip" patented technology

The invention discloses calcium carbonate powder drying equipment. The calcium carbonate powder drying equipment comprises an outer shell, a feeding unit, and a heating device for providing heat; theouter shell is provided with a feed port, a discharge port and an exhaust port; the feeding unit is formed by joining multiple feeding modules end to end; each feeding module comprises a traction roller, and a conveying belt arranged on the traction roller; the head end of the first feeding module is positioned under the feed port; the tail end of the final feeding module is positioned above the discharge port; and a loosening device and a shaking device are arranged in the outer shell. The calcium carbonate powder drying equipment can effectively prevent agglomeration of calcium carbonate during drying, can effectively improves the product quality, and meanwhile, achieves a better drying effect.

The invention discloses a painting system for a plate, and relates to the technical field of plate painting. The painting system comprises a spraying channel as well as a first spraying device, a turnover device and a second spraying device which are sequentially arranged inwards from one end of the spraying channel, wherein the first spraying device is used for spraying the surface of one side ofthe plate and conveying the plate; the turnover device comprises a rack, a rotary shaft rotatably arranged on the rack, a plurality of groups of bearing assemblies which are uniformly distributed inthe peripheral direction of the side surface of the rotary shaft, and a servo motor which is arranged on the rack for driving the rotary shaft to rotate; and the second spraying device is used for spraying the surface of the other side of the turned-over plate and conveying the plate. The painting system can save manpower and material resources, and effectively improves spraying efficiency of theplate.

The embodiment of the invention relates to the technical field of electronic circuits, and discloses a waveform shaping circuit and electronic equipment. The waveform shaping circuit comprises: an amplitude detection unit and a comparator, wherein the waveform input end is connected with the first input end of the comparator; one end of the amplitude detection unit is connected with the waveform input end, and the other end of the amplitude detection unit is connected with the second input end of the comparator; an amplitude detection unit which is used for receiving the input voltage of the waveform input end and generating a reference voltage in direct proportion to the amplitude of the input voltage; and a comparator which is used for receiving the reference voltage and the input voltage of the waveform input end, comparing the input voltage with the reference voltage and outputting a level signal after waveform shaping. The embodiment of the invention further provides electronic equipment. Not only can waveform shaping be performed on a signal through a simple circuit structure, but also the problem of application limitation of a waveform shaping circuit in the prior art can besolved.

The invention provides a helmet and a protection device, and belongs to the technical field of traffic driving products. The helmet comprises a helmet body, a helmet mirror, a rain scraper mechanism, a control mechanism and a sensation mechanism, wherein the helmet mirror is mounted at a side opening of the helmet body and is in sliding connection with the helmet body; the control mechanism is mounted on the helmet body; the sliding distance of the helmet mirror on the helmet body can be limited by the control mechanism; the rain scraper mechanism comprises a rain scraper, a connecting component and a driving mechanism; the connecting component is mounted on the outer side of the helmet mirror; a connecting hole is formed in the helmet mirror; the driving mechanism is mounted at a side end of the helmet body; one end of the rain scraper is connected with one end of the driving mechanism through the connecting hole; the driving mechanism is capable of driving the rain scraper to move or stop; the sensation mechanism is mounted above the opening; the sensation mechanism is electrically connected with the rain scraper mechanism; the sensation mechanism is used for controlling the rain scraper mechanism to be powered on or powered off. By adopting the protection device with the helmet, the problem that drivers have trouble in driving in rainy days can be greatly solved.

The invention discloses a novel machining, positioning and overturning device for hydraulic accessories, and relates to the technical field of accessory machining devices. The novel machining, positioning and overturning device comprises an annular positioning plate, and clamping plates are arranged on the front side, the rear side, the left side and the right side of the upper surface of the annular positioning plate. By arranging the annular positioning plate and arranging clamping plates, round holes, supporting rods, supporting blocks, first springs and clamping seats on the front side, the rear side, the left side and the right side of the annular positioning plate, when an electric push rod retracts, the moving end of the electric push rod can pull four first connecting steel wire ropes to move downwards; the top ends of the four first connecting steel wire ropes pull the opposite ends of the four clamping plates to move downwards, at the moment, the hydraulic accessories placed on the clamping seats can be firmly clamped in the arc-shaped grooves in the clamping plates and the clamping seats, then the clamped and fixed hydraulic accessories can be machined, the multiple hydraulic accessories can be clamped and fixed at a time, clamping and positioning of a large number of hydraulic accessories can be met, and the production efficiency of the hydraulic accessories can be effectively improved.

The invention discloses a plate painting system, which relates to the technical field of plate spraying, which includes a spraying channel and a first spraying device, a turning device and a second spraying device arranged inwardly from one end of the spraying channel; the first The spraying device is used to spray one side surface of the plate and transport the plate; the turning device includes a frame, a rotating shaft arranged on the frame, several sets of supporting parts uniformly distributed along the circumference of the side surface of the rotating shaft, and a The servo motor on the frame is used to drive the rotation of the rotating shaft; the second spraying device is used to spray the surface of the other side of the flipped board and transport the board. The invention can save manpower and material resources, and effectively improve the spraying efficiency of the plate parts.

The invention discloses a hydraulic system for controlling a turnover lifting appliance, a turnover lifting appliance assembly and a crane, the hydraulic system for controlling the turnover lifting appliance comprises an oil inlet pipeline, a first hydraulic motor pipeline, a second hydraulic motor pipeline, a first middle pipeline, a second middle pipeline and an oil return pipeline; the oil outlet end of the oil inlet pipeline, the first end of the first hydraulic motor pipeline, the second end of the first hydraulic motor pipeline and the oil inlet end of the oil return pipeline are connected through a first electromagnetic valve, and the first end of the first middle pipeline communicates with the first end of the first hydraulic motor pipeline. The second end of the first middle pipeline is communicated with the second end of the second hydraulic motor pipeline, the first end of the second middle pipeline is communicated with the second end of the first hydraulic motor pipeline, and the second end of the second middle pipeline is communicated with the first end of the second hydraulic motor pipeline. And the on-off of the first middle pipeline and the on-off of the second middle pipeline are controlled by a second electromagnetic valve.

The invention relates to a connecting rod installation device for an air outlet assembly of an automobile air conditioner, which includes a base mounting plate, a pressing device and a relative pushing device are arranged on the upper surface of the base mounting plate, and the pressing device is located in the middle of the base mounting plate , the two push devices are respectively located on both sides of the pressing device, and the two push devices respectively include a push cylinder and a connecting head. On one side, the ends of the two connectors are respectively provided with installation grooves. The pressing device includes a supporting mold base and a pressing plate. The supporting mold base is detachably connected to the upper surface of the base mounting plate. The pressing plate is located on the supporting mold base The upper part and the lower part of the pressing plate are detachably connected with a pressing block, and the upper surface of the support mold base is detachably connected with a supporting block, and the opposing surfaces of the pressing block and the supporting block are respectively provided with assembly grooves. The invention has the effects of quickly installing the connecting rod and improving work efficiency.

The invention relates to a miniature harvester. The harvester comprises driving wheels, the driving wheels are connected with front wheels through connection shafts, the driving wheels and the front wheels are installed at the bottom of a machine frame, a harvesting cutter device is installed on the head portion of the machine frame and connected with a cutting device, and a conveying belt device is connected with the rear portion of the harvesting cutter device. A position-switching plate is installed at the tail end of the top of the conveying belt device, a lateral pressing plate device is arranged behind the position-switching plate, a sliding-down channel is connected with the tail end of the lateral pressing plate device, a main motor and a hydraulic pump are installed on the tail portion of the machine frame, the main motor and the hydraulic pump are connected to provide a hydraulic power source, a storage battery and a hydraulic oil tank are also installed on the tail portion of the machine frame, a control panel is fixedly installed on the side face of the tail portion of the machine frame, and a steering wheel is installed on the control panel. The harvester can automatically achieve crop harvesting, transporting, packaging and discharging, improves work efficiency and reduces workloads.

The invention provides a steel containment vessel end sealing plate turnover device and an operation method. The steel containment vessel end sealing plate turnover device comprises a concave-side storage support and a convex-side storage support which are arranged in parallel; a first turnover support and a second turnover support are fixedly arranged in the middle of the two supports; turnover fixtures are hinged onto the first turnover support and the second turnover support; each turnover fixture comprises a convex-side fixture and a concave-side fixture; two ends of the convex-side fixtures and the concave-side fixtures are fixedly connected through first connecting plates and second connecting plates; and the second connecting plates are hinged to the top parts of the turnover supports. According to the steel containment vessel end sealing plate turnover device, steel containment vessel end sealing plate turnover operation can be accomplished by a single lifting machine, a turnover procedure is simple, the deformation of an end sealing plate can be effectively reduced during the turnover process, and a safety factor is high.

The invention discloses a high-efficiency derusting device for iron products used in hardware manufacturing and a method for using the derusting device. The derusting device includes a support base plate. A shell is fixedly installed on the upper surface of the support base plate through welding, and the support base plate moves along the horizontal direction. A mobile bracket is installed, the output shaft end of the derusting motor is connected with the derusting roller, and the upper surface of the support base plate is fixedly equipped with a lifting cylinder one, and the top of the output rod of the lifting cylinder one is fixedly equipped with a centering cylinder. The end of the output rod of the middle cylinder is fixedly installed with a centering plate, one end of the connecting rod is fixedly connected with one end of the slide bar, and one end of the slide bar is fixedly connected with a supporting short plate, and two Clamp assembly; the derusting device does not need to manually carry the iron product plate, which greatly reduces the labor intensity. It can turn over the iron product plate to remove rust. The work efficiency is high and the design is reasonable, which ensures the derusting effect.

The invention relates to the technical field of tea machinery, in particular to a tea carding machine. The tea carding machine comprises a machine frame and a carding machine; the machine frame is connected with an electric telescopic rod; the electric telescopic rod is connected with a connecting plate; the connecting plate is provided with a connecting through hole; the connecting plate is in pin connection with a connecting rod; the connecting rod is provided with a plug pin connecting hole; the carding machine is provided with a carding groove; and the machine frame is provided with a driving motor and a controller. The driving motor enables electric spiral rods in the electric telescopic rod I and the electric telescopic rod II to compress or retract the telescopic inner rod so as tochange the angel of the carding machine to perform carding; the controller can control the stretch-out and draw-back time of the electric telescopic rod I and the electric telescopic rod II to alternate and enables the carding machine to change the angle in a reciprocating way to perform carding; and the carding groove is designed into a semi-circular shape with an upward opening, so that the teacarding machine can guarantee that tea is not spilled in the carding process of the carding machine, can guarantee that the tea is turned over completely, and is simple in structure, convenient to useand low in manufacturing cost.

The invention provides a pulling rope tensioning device of hollow glass with a built-in shutter, and belongs to the technical field of hollow glass products. The pulling rope tightening device of hollow glass with the built-in shutter comprises a spring rod seat, a spring rod, a tensioning spring, a pulling rope sliding wheel seat and a pulling rope sliding wheel. The upper end of the spring rod seat is folded horizontally with a spring rod folding plate, wherein a spring rod hole is formed in the spring rod folding plate. The spring rod is inserted in the spring rod hole, the upper end ofthe spring rod is composed of a spring rod connecting head, the spring rod connecting head is located above the spring rod seat folding plate, and a spring supporting seat is arranged at the lower endof the spring rod. The spring rod is sleeved with the tensioning spring, wherein the upper end of the tensioning spring supports the lower side of the spring rod seat folding plate and the lower endof the tensioning spring is supports the spring supporting seat. The upper portion of the pulling rope sliding wheel seat is composed of a pulling rope sliding wheel cavity, the lower portion of the pulling rope is extended with a pair of hinged seats, and the hinged seats is connected with the spring rod connecting head in a hinged mode through a pin shaft of the hinged seat. The pulling rope sliding wheel is rotationally arranged in the pulling rope sliding wheel cavity through an oil tanker pin shaft. The turning of a curtain and the lifting effect of a shutter is guaranteed.

The invention relates to a roller dryer and belongs to the field of hot air drying machinery. The roller dryer comprises a lower hopper, a conveyor (3), an upper box (14), a lower box (8), a roller (15), a discharging end fan cover (13) and a main motor (19). A sealing element (7) is adopted for sealing between the upper box (14) and the roller (15), a sealing element (7) is also adopted for sealing between the lower box (8) and the roller (15), a sealing element (7) is also adopted for sealing between the discharging end fan cover (13) and the roller (15), a 2# air outlet pipe (41) is arranged on the upper side of the discharging end fan cover (13), and the lower side of the discharging end fan cover (13) is provided with a discharging port (42). According to the technical scheme, axial air ports at two ends of the roller are sealed, and drying of materials in the roller is achieved mainly by utilizing hot air to heat the roller.

The invention discloses a rolling tile used for adhesion of an oil channel stay. The rolling tile used for adhesion of the oil channel stay comprises a rolling wheel and a rolling tile body. The rolling wheel can rotate around a center shaft. The outer side face of the rolling wheel is provided with rolling wheel grooves used for holding the oil channel stays at intervals. The rolling tile body comprises a tile body and an overturning device. The tile body is an arc plate. The inner side of the tile body is provided with the overturning device used for overturning the oil channel stays. The bottom end of the overturning device is fixed to the inner side of the tile body. The distance between the surface of the inner side of the tile body and the center shaft of the rolling wheel is gradually reduced from top to bottom, and therefore the distance between the top end of the overturning device and the outer side face of the rolling wheel is gradually reduced from top to bottom. Accordingto the rolling tile used for adhesion of the oil channel stay, the distance between the tile body and the center axis of the rolling wheel is gradually reduced from top to bottom, so that it is guaranteed that the top end of the overturning device can achieve overturning of a part of the oil channel stays, and it is also ensured that the oil channel stays which do not need overturning or are overturned later reach diamond dotted paper in the right posture, and mechanization of adhesion of the oil channel stays is achieved.