193results about How to "Effective rotation" patented technology

The invention provides a glass product manufacturing mold which comprises a bottom mold, a secondary mold, a base and an ejector rod, the bottom mold and the secondary mold jointly define a cavity used for containing molten glass, the bottom of the bottom mold is arranged on the base, and the ejector rod is arranged on the base in a penetrating mode and arranged at the bottom of the bottom mold. The ejector rod can move in the direction close to or away from the bottom of the bottom die, a sliding block and a sliding rail are arranged on the side, away from the cavity, of the secondary die, the sliding rail is arranged on the base, the sliding block is arranged on the sliding rail, the sliding block is fixedly connected with the secondary die, a connecting piece is arranged between the sliding block and the ejector rod, and the ejector rod can move in the direction close to or away from the bottom of the bottom die. The two ends of the connecting piece are connected with the sliding block and the ejector rod respectively. Die opening and die closing are achieved through driving of the ejector rod, and the problem that the die is stuck can be effectively solved.

In order to solve the problem that sparks and fragments generated in the grinding process are prone to injuring the body of an operator, a grinding head is completely surrounded through a shell sleeve and an observation cylinder, when the end of a material is ground through the grinding head, the observation cylinder can observe the grinding state all the time, and in addition, the observation cylinder can observe the grinding state all the time. Fragments can be prevented from splashing outwards through blocking of the observation cylinder; and meanwhile, when the grinding head grinds, the fan blades can suck external airflow into the inner cavity of the shell sleeve, the airflow with fly ash is finally introduced into the water storage cavity, the fly ash is treated through a medium in the water storage cavity, dust is prevented from flying all around, and finally the surrounding protection and air purification effects are achieved.

The utility model provides a piezoelectric power generation device based on wave energy. The piezoelectric power generation device comprises a shell, a pin roller, a rotating shaft, a movable magnet, a fixed magnet, a piezoelectric plate and a connecting shaft, the piezoelectric plate is fixed on the inner side wall of the shell, and the fixed magnet is fixed on the piezoelectric plate; the movable magnet is arranged in the middle in the shell and spaced from the fixed magnet, and the polarities of the ends, close to each other, of the movable magnet and the fixed magnet are the same; the rotating shaft is arranged in the shell, one end of the connecting shaft is arranged in the shell, one end of the rotating shaft is fixed to the movable magnet, the other end of the rotating shaft is fixed to the end, in the shell, of the connecting shaft, the peripheral wall of the middle of the connecting shaft is rotationally connected with the side wall of the shell, and the other end of the connecting shaft extends out of the shell and is fixedly connected with the end of the roller. The pin roller is used for generating circumferential rotation through wave energy, and when the pin roller rotates, the rotating shaft and the movable magnet are sequentially driven to rotate. The utility model has the advantages of simple structure, small size and relatively low cost.

The offshore wind power platform tidal energy vibration reduction power generation device is in a circular truncated cone shape, is fixedly arranged on a sunken pile in a sleeving mode and comprises a bottom disc and a top disc, the diameter of the top disc is larger than that of the bottom disc, the two sides of the top disc are connected with a working platform on the upper portion of the sunken pile through cables, and a connecting structure is arranged between the top disc and the bottom disc. An annular locking structure is coaxially arranged at the top of the top disc and sleeves the sunken pile, horn-mouth-shaped flow guide structures are uniformly arranged on the side wall of the connecting structure, an impeller is arranged on the inner side of the connecting structure, an impeller mounting shaft is fixedly connected with a generator, and the generator is connected into a power storage device of the wind power platform. The effect of reducing the vibration amplitude of water flow impact on pile sinking is achieved, tidal energy is utilized for power generation, the height of the power generation device can be adjusted according to the rising tide condition, and the power generation efficiency is maintained.

The invention discloses energy-saving tubular pile concrete admixture proportioning equipment and a method thereof, and relates to the technical field of concrete mixing equipment, the energy-saving tubular pile concrete admixture proportioning equipment comprises a mixing drum, a plurality of supports and a feeding hopper, the supports are fixedly connected to the outer surface of the mixing drum, and the feeding hopper is fixedly connected to the outer surface of the mixing drum. Transmission can be shared by the four second gears through the first gear, then balance and sharing of the transmission are achieved, the labor-saving effect is achieved, the purpose of saving energy for the motor is achieved, the rotating speed of the second gears can be higher than that of the first gear through different rotation ratios, rotation of the motor can be effectively converted, and the motor is more stable in rotation. The energy utilization rate of the motor is increased, the cement mortar can be fully mixed within a short time when being stirred by the stirring shaft, the cement mortar can form up-and-down backflow in the stirring barrel through the spiral stirring effect of the stirring shaft, and the mixing efficiency of the cement mortar is effectively improved.

The utility model discloses an anti-tearing steel wire rope core conveying belt which comprises an outer covering layer and an inner covering layer, a belt core layer is arranged between the outer covering layer and the inner covering layer, and the outer covering layer, the inner covering layer and the belt core layer are connected in a press fit mode. A plurality of steel wire ropes are arranged in the middle of the belt core layer from left to right, the steel wire ropes are wrapped by wrapping rubber layers, steel wire meshes are attached to the tops and the bottoms of the wrapping rubber layers, covering rubber layers are arranged on the faces, facing the outer sides, of the steel wire meshes, and the covering rubber layers and the steel wire meshes are pressed on the wrapping rubber layers. A belt core layer is clamped between the inner covering layer and the outer covering layer, a plurality of steel wire ropes are evenly arranged in the belt core layer from left to right and wrapped by wrapping rubber layers, steel wire meshes are arranged on the top and the bottom of each wrapping rubber layer, covering rubber layers are arranged on the outer side faces of the steel wire meshes, and the covering rubber layers and the steel wire meshes are pressed on the wrapping rubber layers together. The conveying belt with the structure can effectively prevent the edge of the conveying belt from being torn.

The invention discloses building waste treatment equipment which comprises a base, a feeding mechanism is arranged on the base and comprises a side plate, a follow-up disc, a follow-up rod, a follow-up spring, a one-way disc, a driven wheel, a follow-up wheel, a positioning rod, a movable jaw, a one-way wheel, a stop block, a pressure spring, a one-way block, a crushing mechanism and an adjusting mechanism, and the side plate is mounted on the base; a follow-up wheel is installed on the side wall of the follow-up disc, a plurality of follow-up springs are installed in the follow-up disc at equal intervals, the feeding mechanism achieves uniform feeding of construction waste through cooperative work of a side plate, the follow-up disc, a follow-up rod, the follow-up springs and other components, the follow-up wheel on the follow-up disc is meshed with the driven wheel, the follow-up disc rotates along with reciprocating rotation of the driven wheel, and the follow-up springs are installed in the follow-up disc at equal intervals. The follow-up rod is driven to convey construction waste downwards, the situation that the crushing effect is reduced due to the fact that too much waste is placed at a time is avoided, meanwhile, contraction of the follow-up spring can adapt to waste of different sizes, and the feeding flexibility is improved.

The present invention relates to the field of screening, and specifically provides a multi-stage ore screening device, which aims to solve the problem of reduced filtering efficiency and poor screening effect caused by filter blockage in current ore screening devices. The multi-stage ore screening device of the present invention includes a device housing and a reset component, a bending component, and a first filter plate group and a second filter plate group arranged up and down connected to the device housing. The device housing is formed with a feed chamber and a plurality of screening chambers connected to the feed chamber. The reset component can provide a pulling force to straighten the first filter plate group and the second filter plate group. The first filter plate group and the second filter plate group are provided with a bending component on their sides. The bending component can overcome the pulling force provided by the reset component to the first filter plate group or the second filter plate group and fold the two adjacent first filter plates or the second filter plates to one side, so as to clean the filter plates by beating and vibrating, avoid clogging the filter holes with ores, and ensure the screening effect.

The invention discloses a key point target recognition system for a hot-line work robot, and belongs to the technical field of hot-line work robot target recognition. The system further comprises an analysis model and a network management model. The target detection model and the analysis model are in bidirectional connection, and the output end of the analysis model is connected with the input end of the network management model; according to the method, the features extracted by the backbone network are fused; secondly, extracting more representative multi-scale features through a TUM (thin U-shaped module) and a FFM (feature fusion module); and finally, fusing the multi-level features through a scale feature aggregation module SFAM to obtain a multi-level feature pyramid for prediction of a final stage, identifying the operation key points of the robot through the system, effectively identifying problems and hidden dangers existing in rotation and movement of different operation tools and operation arms, further effectively coping with and avoiding in time, and improving the working efficiency. Hidden dangers are reduced, and the operation safety is improved.

The invention relates to the technical field of ship manufacturing, in particular to a ship intelligent sail steering device and a manufacturing method. The ship intelligent sail steering device comprises a pointing cylinder assembly connected with a ship body through a supporting base and a rotating cylinder assembly rotationally arranged on the pointing cylinder assembly; the rotating cylinder assembly is provided with a wind shield assembly capable of adjusting the orientation according to the wind direction, the wind shield assembly is rotatably arranged on the side wall of the rotating cylinder assembly, and the part, stretching into the rotating cylinder assembly, of the wind shield assembly is a steering driving part in transmission connection with the pointing cylinder assembly. Different windward areas are obtained by changing the posture of the windward plate, and wind power can be better utilized to drive the rotating cylinder assembly to rotate so as to assist steering of the ship.

The utility model discloses a monitoring equipment fixing device which comprises a base, an installation mechanism is arranged on the base and comprises a rotating mechanism, an inserting rod, a fixing sleeve, a follow-up sleeve, an elastic plate, a fixing ring, an unfastening block and a clamping mechanism, the rotating mechanism is installed on the base, the inserting rod is installed on the lower end face of the base, and the follow-up sleeve is installed on the lower end face of the base. The fixing sleeve is installed on external equipment, the follow-up sleeve is slidably connected to the fixing sleeve, one end of the elastic plate is fixedly installed on the follow-up sleeve, the installation mechanism can achieve rapid installation of the monitoring equipment, installation support is provided through arrangement of the insertion rod, and accurate adjustment of installation is achieved through matched connection of the fixing sleeve and the insertion rod. The design of the elastic plate and the fixing ring ensures the stability of installation, and the design not only improves the convenience of installation, but also ensures the use stability and reliability of the monitoring equipment.

The invention discloses a paperboard conveying and feeding device for corrugated carton production, and relates to the technical field of paperboard conveying, the paperboard conveying and feeding device comprises a fixing frame and a paperboard piece, a placing frame is fixedly mounted at the top of the fixing frame, the paperboard piece is placed in the placing frame, and a control assembly used for intermittently pushing the paperboard piece to move towards one side is arranged on the fixing frame; two supporting plates are fixedly connected to one side of the fixing frame, and a cleaning assembly for cleaning the surface of the paperboard piece is arranged above the supporting plates. According to the paperboard conveying and feeding device for corrugated carton production, a servo motor is started and matched with a synchronous belt wheel transmission piece, so that a cleaning roller can efficiently rotate, and the surface of a paperboard piece is thoroughly cleaned; impurities generated in the cleaning process are effectively absorbed and discharged through cooperation of a pump body, a suction pipe, a dust collection frame and a conveying pipe, and the cleanliness of the surfaces of the paperboard pieces is guaranteed; the knocking treatment is favorable for removing dust, paper scraps and other impurities on the surface of the paperboard piece, and the cleanliness of the paperboard piece is further improved.

The utility model discloses a cutting device for car cover cloth production, which comprises a cutting base, first guide rail brackets, second guide rail brackets and an adjusting cutting head, the first guide rail brackets are fixedly mounted on two sides of the cutting base, the second guide rail brackets are slidably connected to the inner walls of the first guide rail brackets, and the adjusting cutting head is fixedly mounted on the cutting base. The adjusting cutting head is fixedly installed on the top of the inner wall of the second guide rail frame, and positioning frames are fixedly installed on the two sides of the top of the cutting base. By arranging the positioning frame, the electric telescopic rod, the mounting plate and the rubber plate, the electric telescopic rod can effectively drive the rubber plate on the inner wall of the mounting plate to move downwards, so that the rubber plate can accurately position the two sides of the top of a car cover, and the problem that when the device is not provided with a car cover positioning structure, when the car cover is cut through the cutting device, the cutting efficiency is high is solved. The problems that when the automobile cover is cut, the automobile cover is deviated and inclined, so that the cutting accuracy of the automobile cover is reduced, and the cut automobile cover cannot be matched with the size of an automobile body are solved.

The invention discloses a motor with a PCB (printed circuit board) coil structure, and relates to the technical field of motors. A rotating shaft as the rotor assembly; the first induction magnet unit and the second induction magnet unit are disc-shaped; a gap is formed between the first induction magnet unit and the second induction magnet unit, and the first induction magnet unit and the second induction magnet unit are coaxially connected and fixed with the rotating shaft to form a rotor; the PCB coil is connected with the front end cover and the rear end cover to form a stator; the PCB coil is arranged in a gap between the first induction magnet unit and the second induction magnet unit; the PCB coil is electrified to generate a magnetic field which interacts with the magnetic field of the induction magnet unit to drive the rotating shaft to rotate; the application of the PCB coil enables the stator and rotor structures of the motor to be simplified, breaks through the complex structure of a traditional motor, enables the manufacturing cost of the motor to be reduced, and solves the problems that the structure of an existing motor is too complex, and the manufacturing cost of the motor cannot be further reduced.

The utility model discloses a clamping device for non-metal fastener production, which comprises a supporting seat, a first electric push rod is mounted on one side of the supporting seat, two supporting frames are fixedly connected to the other side of the supporting seat, the first electric push rod penetrates through the supporting seat and is fixedly connected with a movable block located between the two supporting frames, and the movable block is fixedly connected with a second electric push rod. A containing groove is formed in one end of the supporting frame, a guide rod is fixedly connected to the inner wall of the containing groove, a movable frame is movably connected to the outer wall of the guide rod, and a through groove is formed in the outer wall of the movable frame. According to the non-metal bolt machining device, the non-metal bolt can be machined more conveniently, the problem that overturning machining is inconvenient due to the fact that the non-metal bolt cannot rotate after being clamped is solved, further positioning can be conducted when overturning is not needed, and therefore the stability of the non-metal bolt in the machining process is guaranteed.

The utility model provides a kind of automatic detection device belongs to the technical field of automatic detection, comprising;Control electric cabinet, the front side and rear side of control electric cabinet top are all fixed with horizontal look board, the front end of control electric cabinet top right side is fixed with operation control panel.The utility model is set through the setting of rotating mechanism, cooperate first motor, speed reducer, rotating component and rotary disc use, play the role of convenient driving workpiece rotation adjustment detection position, pass through the setting of clamping mechanism, cooperate mounting seat, telescopic cylinder, fixed connecting plate, guide sleeve, guide rod, shell, first clamping component and second clamping component use, workpiece can be effectively clamped, also convenient workpiece is rotated in the process of clamping, and workpiece can be adjusted clamping according to size, improve clamping effect, prevent workpiece prone to dump or sliding displacement, effectively improve detection accuracy.

The utility model relates to the technical field of pipe fitting machining, and discloses a pipe fitting welding device which comprises a bottom plate, bearing blocks are fixedly connected to the two sides of the upper surface of the bottom plate, inner grooves are formed in the bearing blocks, inner frames are rotationally connected to the interiors of the inner grooves, and fixing mechanisms are arranged in the inner frames. The fixing mechanism comprises a connecting frame, a threaded rod, a top block, a sponge block, a fixing rod, a spring and a connecting rod, the upper surface of the connecting frame is fixedly connected with the top of the interior of the inner frame, the outer surface of the threaded rod is in threaded connection with the interior of the connecting frame, and the upper surface of the top block is fixedly connected with the lower end of the threaded rod. According to the pipe fitting welding equipment, two sets of pipe fittings to be welded can be effectively and relatively fixed, later welding is facilitated, meanwhile, the pipe fitting welding equipment can adapt to pipe fittings with different diameters, and when the two sets of pipe fittings are fixed, the pipe fittings can be located on the same straight line by rotating the threaded rods by the same length.

The utility model belongs to the technical field of photovoltaic power generation, and particularly relates to a sunshade based on a perovskite solar cell, which comprises a power storage base, a USB (universal serial bus) power supply interface, a water pump, a water tank, a controller and a sunshade rod are mounted on the power storage base, a water inlet of the water pump is communicated with the bottom side of the water tank, and a water outlet of the water pump is communicated with the sunshade rod. A rotary spraying assembly is rotationally clamped at the top of the umbrella rod, the rotary spraying assembly comprises a self-rotating spray head, a plurality of spraying openings are formed in the side face of the self-rotating spray head, a flow guide plate is arranged at the top end of the self-rotating spray head, an umbrella frame is installed on the portion, below the rotary spraying assembly, of the umbrella rod, and a perovskite solar photovoltaic film umbrella fabric is laid on the umbrella frame. When water is sprayed out through the spraying opening of the rotary spraying assembly, the self-rotating spraying head rotates rapidly under the pushing of the counter-acting force of water flow, the water is made to spray the surface of the perovskite solar photovoltaic thin film umbrella cover in a rotating mode in cooperation with the flow guiding effect of the flow guiding plate, the perovskite solar photovoltaic thin film umbrella cover is effectively cleaned, and the power generation effect is guaranteed.

The utility model discloses a clamping device for metal steel pipe processing, which comprises a steel pipe clamping device, the two sides of the top of the steel pipe clamping device are fixedly connected with support rings, the inner sides of the support rings are rotatably connected with metal rods, and the surfaces of the metal rods are fixedly connected with hold-down rings. A servo motor is started, the servo motor drives a second bevel wheel to rotate, the second bevel wheel drives a first bevel wheel to rotate, the first bevel wheel drives a screw to rotate, the screw drives a lifting plate to move upwards, the lifting plate drives a toothed plate to move upwards, and the toothed plate moves to drive a gear to rotate. The gear rotates to drive the metal rod to turn over, the metal rod turns over to drive the pressing ring to press the steel pipe, the steel pipe can be fully fixed, the steel pipe can be clamped and fixed, follow-up machining and cutting are facilitated, an existing manual clamping mode is replaced, and therefore the efficient and automatic clamping effect is achieved.

Provided is a vehicle, in which, in a front-side cover 102 that forms an outer surface which is more forward than a windshield of the vehicle, formed are: a front opening 107 facing an outer space in front; and an upper opening 108 positioned behind and above the front opening 107 and facing an outer space above. The inside of the front-side cover 102 is provided with an inner cover 112 forming a passage 113 for guiding wind that enters from the front opening 107 to the upper opening 108. A rotor blade 9 for wind power generation is disposed within the inner cover 112. A front end 108a of the upper opening 108 is positioned further upward than a rear end 108b thereof. The area of an outlet 113b of the passage 113 is greater than the area of an inlet 113a thereof. The inner cover 112 has an arcuate portion 114c that hides a region above the rotational axis of the rotor blade 9 when seen from the front opening 107. The center angle of the arcuate portion 114c is set to a range of 90-180 degrees. As a result, a rotor blade for wind power generation installed in a vehicle can be efficiently rotated.

The utility model discloses a blade and an impeller. The molded lines of an inner layer and an outer layer of an existing blade are the same and are not changed, so that the speed of fluid passing through the inner layer and the outer layer of the blade is close, the pressure difference between the inner layer and the outer layer of the blade is small, and the working efficiency of an impeller is low. The curvature of the inner-layer molded line of the blade is larger than the curvature of the outer-layer molded line of the molded line of the blade; according to the impeller using the blades, the impeller cover and the impeller disc are oppositely arranged at an interval, the multiple blades which are arranged at equal intervals in the circumferential direction are arranged between the impeller cover and the impeller disc, and the two ends of each blade are fixed to the impeller cover and the impeller disc. The curvature of the inner-layer molded line is larger than that of the outer-layer molded line, so that when fluid flows through the blade, the fluid in the inner layer of the blade flows slowly and is large in pressure, the fluid in the outer layer of the blade flows quickly and is small in pressure, and a large pressure difference is generated on the surface of the blade, so that the impeller is effectively pushed to rotate, and the working efficiency of the impeller is improved.

The present invention relates to a door lock control system. The door lock control system includes a common motor, a control module, a current feedback module, a drive motor module and a power module. The control module is electrically connected to the power module through the drive motor module and the common motor in turn. The current feedback module is electrically connected to the common motor and the control module respectively, wherein the current feedback module is used to collect and feedback the working current of the common motor in different time periods during the locking and unlocking process for multiple times; the control module trains the working current of the common motor in different time periods during the locking and unlocking process based on a deep learning network, and establishes a data model of the rotation process of the common motor; and controls the drive motor module to drive the common motor to rotate to a preset position according to the data model. The door lock control system provided by the present invention has low cost and can effectively realize precise control of the common motor.

The utility model relates to the technical field of braids, and discloses a multifunctional reflective braid which comprises a shell, a rotating shaft is installed in the shell, a rotating handle is installed on the front side face of the rotating shaft, a braid body and a gear are connected to the outer side face of the rotating shaft, a baffle, a sliding rail and a limiting column are installed in the shell, and a limiting block is installed in the sliding rail in a sliding mode. A spring and a connecting rod are connected to the top surface of the limiting block; a handle is mounted at the top end of the connecting rod. The limiting holes in the braid body are correspondingly connected to the outer side faces of the limiting columns in a sleeved mode, then the cover plate is closed, the inserting columns can be inserted into the limiting columns, and therefore the positions of the braid body and the cover plate are effectively fixed; then the braid is worn on the wrist, the rotating handle is rotated, the rotating handle drives the rotating shaft and the gear to rotate, then the braid body can be wound around the outer side face of the rotating shaft, and the two baffles can effectively limit the moving position of the braid body so that the braid body can be stored in order.

The utility model discloses an epoxy floor paint mixing device which comprises a bottom ring and is characterized in that the upper side of the bottom ring is fixedly connected with a supporting plate through a plurality of connecting columns, a center bearing of the supporting plate is connected with a rotating block, a U-shaped support is fixed to the upper side of the rotating block, the upper portions of the two sides of the U-shaped support are fixedly connected with rotating ring clamping grooves respectively, and the rotating ring clamping grooves are connected with the rotating ring clamping grooves respectively. The two sides of a rotating ring are arranged in the two rotating ring clamping grooves correspondingly. The utility model relates to the technical field of coating construction equipment, in particular to an epoxy floor paint mixing device, which can realize that an epoxy floor paint bucket rotates along the central axis of a rotating ring while circumferentially rotating along the axis of a rotating block, realizes uniform shaking and mixing, and can effectively improve the mixing efficiency and uniformity of epoxy floor paint. Therefore, the quality and the efficiency of the coating engineering are improved.

The invention discloses a transmission mechanism of a flat car position lock of an intelligent parking manager, and relates to the field of flat car position locks, the transmission mechanism comprises a mainframe box, shaft holes are formed in two sides of the mainframe box, rotating shafts penetrate through the shaft holes, and a motor is mounted in the mainframe box; the two ends of the screw rod are supported on the mainframe box, and one end of the screw rod is connected and driven by a motor; the transmission assembly is arranged between the screw and the rotating shaft and transmits power of the screw to the rotating shaft, the two ends of the rotating shaft are supported on the mainframe box, and one end of the rotating shaft penetrates out of the mainframe box and is used for driving the flat car position lock; the sealing assemblies are mounted on two sides of the mainframe box and correspond to the shaft holes, and seal two ends of the rotating shaft relative to the mainframe box; and the cover plate assembly is fixed at the top of the mainframe box. By means of the symmetrical and laminated arrangement design of the nut, the connecting rod and the rocker arm in the transmission assembly, the mechanism runs stably and smoothly, durability and stability are improved, overall rotation is simple and efficient, a cushion pad is arranged between the motor and the mainframe box, the motor is convenient to replace, and the mechanism is suitable for being used in the severe environment.

A kind of polisher for cylinder inner wall, including have: polishing unit, with the polishing head for polishing cylinder inner wall surface;For supporting the base of polishing unit;Two active walking wheels, respectively set in the left and right sides of the base, and at least part of each active walking wheel is downwardly protruding relative to the lower surface of base, simultaneously, each active walking wheel can be rotated around the axis extending left and right of itself under the drive of respective corresponding drive mechanism to drive base to move;Two first magnetic blocks, left and right protrude on the lower surface of the base, and located between two active walking wheels, and the protruding size of each first magnetic block relative to the lower surface of base is less than the protruding size of the active walking wheel relative to the lower surface of base, so that when active walking wheel is supported on cylinder inner wall surface, each first magnetic block is spaced relative to cylinder inner wall surface, and polisher is adsorbed on cylinder inner wall surface by magnetic attraction force.The utility model can automatically polish cylinder inner wall surface.

The invention relates to the technical field of sports equipment, and discloses a body test rope skipping counting device which comprises a rope skipping line body, the outer surface of the rope skipping line body is rotatably connected with a shell, and the interior of the shell is fixedly connected with a telescopic counting mechanism. An auxiliary stretching mechanism is rotatably connected to the outer surface of the skipping rope body, a storage rotating mechanism is rotatably connected to the interior of the shell, the telescopic counting mechanism comprises a counting displayer, the counting displayer is fixedly connected with the shell, and a circuit board and a first bearing are fixedly connected to the inner wall of the shell; a first box body is fixedly connected to the interior of the first bearing, the clamping force is proper during normal rope skipping, the skipping rope is prevented from loosening and affecting the playing of a rope skipping person, and the skipping rope is prevented from being damaged due to excessive clamping; when people stumbles the skipping rope, the skipping rope can be quickly loosened to reduce the injury risk of a rope skipping person and the breakage possibility of the skipping rope; and the Hall element can accurately record the rope skipping number.

A pan-tilt mechanism includes: a bracket configured to be fixed to a fuselage of an unmanned aerial vehicle; a first frame attached to the bracket and configured to be rotatable in a first direction, the first direction being a yaw direction or a pitch direction; a second frame attached to the first frame and configured to be rotatable in a second direction, which is the other one of the yaw direction or the pitch direction, and configured to fix a motor for rotating the propeller; and a crank member configured to be connected to a servo motor provided at the body, crank-rotating the linkage to rotate the second frame. The second frame is connected to the linkage via a crank member by a link ball configured to be located on a central axis of the fuselage in the first direction.

The utility model belongs to the technical field of organic fertilizer production, and particularly relates to a biomass organic fertilizer production device which comprises a supporting frame, an outer shell, a controller and a gear motor are installed on the supporting frame, the gear motor is in driving connection with one end of a main shaft body, the main shaft body is rotatably installed on the outer shell, and a plurality of stirring blades are arranged on the outer side of the main shaft body. A feeding port is formed in the top of the outer shell, the bottom side of the outer shell is rotationally connected with one end of a discharging cover through a hinge, the discharging cover is rotationally connected with one end of a discharging oil cylinder through a pin shaft, the other end of the discharging oil cylinder is rotationally connected with a supporting frame through a pin shaft, and an ozone generator and an electric heating plate are installed in the outer shell. The main shaft body can rotate and stir materials in the outer shell, so that the materials are in full contact with ozone generated by ionization of the ozone generator to perform low-cost, efficient and safe sterilization treatment, and before discharging, the electric heating plate can heat air so as to quickly decompose the ozone, so that the overflowing ozone is prevented from influencing the human health of workers.

The utility model relates to the technical field of soybean processing, and provides a soybean screening and cleaning device. The soybean screening and cleaning device comprises a water pool, a conveying net belt arranged in the water pool and a bubble generating device arranged in the water pool. The pool comprises a first part extending in the length direction of the pool and a second part inclining upwards. A baffle is arranged between the two opposite side walls in the width direction of the first part, and an overflow opening for water to flow out is formed. According to the soybean screening and cleaning device, through the arrangement of the pool, the bubble generating device, the baffle and the overflow port, bubbles generated by the bubble generating device can peel off fine impurities attached to the surfaces of soybeans, meanwhile, the pool can conduct flotation on the soybeans, impurities and bad soybeans with the same particle size as the soybeans are separated, and therefore the soybeans are screened and cleaned. Meanwhile, screening and cleaning of the soybeans are achieved. And floating impurities are intercepted through a baffle, so that the impurities are discharged through an overflow port, the impurities are prevented from being mixed into the soybeans again, and the screening effect on the soybeans is improved.