43results about How to "Control the direction of rotation" patented technology

An electrode, which includes a magnetic material to improve the flow of charges, and an organic light emitting device using the electrode. The electrode for the organic light emitting device has an excellent charge injection property, so that it is possible to improve the efficiency of light emission of the organic light emitting device.

The invention discloses a mechanical type dynamic two-dimensional code lock for a public bike. The mechanical type dynamic two-dimensional code lock comprises a lock seat and a lock body, wherein the lock body is arranged in the lock seat; the lock body comprises a lock cylinder and a movable lock tongue, wherein the lock cylinder is movably connected with the movable lock tongue; the lock seat is also provided with a mounting base used for installing a two-dimensional code plate; a window for viewing a two-dimensional code on the two-dimensional code plate is formed in the mounting base; the movable lock tongue is parallel to the mounting base; the end, close to the window, of the movable lock tongue is a sheltering end, and the end, close to an object to be locked, of the movable lock tongue is a locking end; the movable lock tongue is connected with the mounting base in a sliding way; the sheltering end slides on the window so as to enable the two-dimensional code on the two-dimensional code plate to be switched between a displayed state and a sheltered state. The bike lock is reasonably combined with the two-dimensional code for identifying the public bike, so that the mechanical type dynamic two-dimensional code lock for the public bike is not only simple, compact and reliable in structure, but is also convenient to install; more superiorly, the basic structure of the public bike does not need to refit, so that the production cost is effectively lowered.

The invention discloses an amphibious fire truck, comprising a chassis, a propeller, a propeller driving mechanism, an amphibious cab, an electric motor, a wheel, a vehicle transmission shaft and an electric control device arranged on the chassis; The chassis is a ship hull structure and is made of a ship steel plate; The electric control device is respectively connected with the amphibious cab, the propeller driving mechanism and the motor; The propeller driving mechanism is used for driving the propeller to rotate when the fire truck is located in the water so as to provide thrust for the fire truck and drive the fire truck to travel in the water; The electric motor is used for driving the wheels to move through the vehicle transmission shaft when the fire truck is located on the land, thereby driving the fire truck to travel on the land. The amphibious fire truck of the invention is scientifically and reasonably designed, the chassis is made of marine steel plate, can realize the amphibious function of the amphibious truck, adapts to various working conditions, has good popularization and use value, and has strong practicability.

The invention relates to a travel trailer guide wheel device, comprising a guide wheel telescopic device and a guide wheel collecting and placing device. The travel trailer guide wheel device is characterized in that one lateral surface of the guide wheel collecting and placing device is fixedly connected to the corresponding position of a travel trailer, the middle part of the guide wheel telescopic device is movably connected with the guide wheel collecting and placing device, the guide wheel telescopic device can rotate relative to the overall guide wheel collecting and placing device by tensioning a pull rod of the guide wheel collecting and placing device, the guide wheel telescopic device can be locked at a horizontal or vertical position by loosening the pull rod, an overall guide wheel can stretch and contract up and down by rotating a handle of the guide wheel telescopic device, and the guide wheel can turn by continuously rotating the handle when the guide wheel is in reliable contact with the ground. The travel trailer guide wheel device is simple in structure, convenient to machine and install and low in cost, can allow the travel trailer to move in the specified direction before parking, and has a broad application space.

The invention discloses a vehicle spraying device with the spraying amount convenient to control, and relates to the technical field of automobile maintenance equipment. A first guiding rod is fixedlyarranged on a support, and a sliding block is slidably arranged on the first guiding rod; a mounting frame is fixedly arranged on the sliding block, and a screw nut is fixedly arranged on the lower surface of the sliding block; a screw rod is arranged in the screw nut in a threaded manner, and a gearbox is fixedly arranged on the support; a transmission rod is fixedly arranged on the output shaftof the gear box; a guiding sleeve is movably arranged on the transmission rod in a sleeving manner, and a spur gear is fixedly arranged at the left end of the guiding sleeve; a transmission gear is fixedly arranged at the right end of the screw rod, the spur gear is engaged with the transmission gear, and a ring gear is fixedly arranged on the guiding sleeve; and by controlling the traveling speed of a spray gun, the spraying amount per unit area is controlled, the vehicle spraying device can be cooperatively used with equipment such as an existing spray gun, and the equipment updating cost is low.

The embodiment of the invention discloses disc rotating direction control method and device and a disc. The disc rotating direction control method comprises the steps of: receiving a trigger signal; generating a driving pulse according to the trigger signal; and sending the driving pulse to a spindle driver so that a spindle driver can control the rotating direction of a spindle motor according to the driving pulse, wherein the spindle motor is used for driving discs to rotate. The embodiment of the invention can control the rotating direction of discs, effectively lower the disc resonance and reduce the disc vibration, thereby realizing the purpose of disc protection.

The invention provides a gyroscope, which comprises a gyroscope handle, wing sheets and a gyroscope pedicle; the wing sheets are uniformly arranged around the gyroscope handle and radially extend. The gyroscope has the beneficial effects that based on the structure, when the gyroscope is used, a gyroscope cap pedicle can be held to rotate the gyroscope pedicle on the ground, and on the contrary, the gyroscope cap pedicle can be held to rotate the gyroscope pedicle on the ground; in addition, when the gyroscope rotates by an external force, a gamer can blow the wing sheets of the gyroscope by a blowing device such as an inflator, so the gyroscope can continuously rotate and the rotation direction of the gyroscope can be controlled.

The invention relates to a graphene-based magnetic adjustable Faraday rotator. The structure is composed of three portions, i.e., a circular waveguide applied to a microwave frequency range, a multilayer graphene module vertical to a microwave signal propagation direction in the circular waveguide, and a solenoid module sleeving the circular waveguide for providing magnetic field offset. The multilayer graphene module is composed of multiple single-layer graphene sheets in parallel arrangement inside the module. The solenoid module can control the strength of an externally added bias static magnetic field through controlling the size of currents. When electromagnetic waves in a TE11 mode, transmitted inside the circular waveguide, are transmitted through the graphene module under a condition with the magnetic offset, angle deflection is generated. By using the rotator, a rotation angle can be accurately adjusted within a certain scope. Besides, the Faraday type rotator also has the advantages of simple and compact structure, quite small size, easy integration, simple control, and convenient use.

The invention discloses a hub concentric clamping mechanism, and relates to the field of hub machining, the hub concentric clamping mechanism comprises a cam lifting plate located on the upper portion and a cam rear plate arranged on the lower side of the cam lifting plate, a cam front plate is arranged on the lower side of the cam rear plate, and at least three sets of claw hooks are arranged on the lower side of the cam front plate; the multiple sets of claw hooks are arranged in an equal-angle radial mode with the center of the cam front plate as the center, transmission structures are arranged on the cam rear plate and the cam front plate, and the transmission structures are used for achieving synchronous movement of the multiple sets of claw hooks in the direction away from or close to the center of the cam front plate. When the claw hooks move towards the center of the cam front plate, the hub can be clamped at the moment, and due to the fact that each set of claw hooks synchronously advance, the time for each set of claw hooks to reach the inner ring face of the hub is the same, the hub can be positioned and clamped at a time, follow-up adjustment is not needed, and the machining efficiency of the hub is greatly improved.

The invention relates to the field of luminous energy radiation, and discloses a solar device and a control method thereof. The solar device comprises a solar photovoltaic panel, a detection part and an adjusting part. The detection part is arranged on the solar photovoltaic panel and parallel to the solar photovoltaic panel. The adjusting part is connected with the solar photovoltaic panel in a linkage way. The adjusting part is electrically connected with the detection part. The detection part detects whether the facing direction of the solar photovoltaic panel and the irradiation direction of sunlight to the solar photovoltaic panel are opposite at the moment. If the detection result is no, the adjusting part adjusts the facing direction of the solar photovoltaic panel according to triggering of the detection part until the facing direction of the solar photovoltaic panel and the irradiation direction of sunlight to the solar photovoltaic panel are opposite at the moment. The invention also discloses a control method of the solar device. Whether the facing direction of the solar photovoltaic panel and the irradiation direction of sunlight to the solar photovoltaic panel are opposite at the moment is monitored in real time, and the facing direction of the solar photovoltaic panel is automatically adjusted according to the monitoring result so as to enhance the utilization rate of sunlight.

The invention relates to a welding device, in particular to a sheet metal welding device. Provided is a sheet metal welding device with high welding efficiency, no need for auxiliary equipment to clamp workpieces, and high welding quality. The present invention provides such a sheet metal welding equipment, comprising: a bottom plate, the bottom plate is used to install the whole equipment; a first support frame, the first support frame is provided on one side of the top of the bottom plate; There is a servo motor; a placement mechanism, a placement mechanism is provided on one side of the top of the bottom plate; a clamping mechanism, a clamping mechanism is provided in the placement mechanism; a transmission mechanism, a transmission mechanism is provided on one side of the top of the bottom plate; a welding mechanism is provided in the middle of the top of the bottom plate There is a welding mechanism. With the cooperation between the toothed belt wheel assembly and the second gear, the toothed belt wheel assembly meshes with the upper and lower second gears respectively, so that the rotation direction of the fourth rotating shaft can be controlled, and the welding torch can be driven to move up and down.

The invention discloses a rack drive type crawler bogie. The rack drive type crawler bogie comprises a bogie main body, a rack support and a transmission device, wherein the bogie main body is provided with a crawler used for carrying and conveying cargoes; the transportation direction of the crawler is perpendicular to the advancing direction of the bogie; the rack support is arranged on the sideedge of the bogie main body; the side, facing the bogie main body, of the rack support is provided with an upper rack and a lower rack which can be ascended and descended vertically; and the transmission device is arranged under the crawler and comprises a gear engaged with an upper gear and a lower gear, a synchronous pulley set which is in transmission connection with the crawler, and a transmission assembly for transmitting rotation of the gear to the synchronous pulley set. The rack drive type crawler bogie has the beneficial effects that through relative movement of the bogie and the racks, the crawler is driven to move through a gear-rack engagement mechanism in cooperation with the relevant transmission device, and the cargoes on the crawler of the bogie are dropped from a conveying line.

The invention relates to an assembly structure of an electric vehicle wheel hub, comprising a coaxial outer hub 1 and an inner hub 2, spokes are fixed at intervals in the circumferential direction between the outer hub 1 and the inner hub 2, and at the same time, there is a coaxial opening on the inner side of the outer hub 1. The outer slideway 11 is coaxially provided with an inner slideway 21 on the outer side of the inner hub 2, and a slider one 12 is embedded in the outer slideway 11, and a slider two 22 is embedded in the inner slideway 21. A connecting rod assembly 4 is installed between 12 and the second slider 22, the length of the connecting rod assembly 4 can be adjusted in the radial direction of the wheel hub, and a counterweight ring 10 is sleeved on the connecting rod assembly 4, and the counterweight ring 10 is along the The length direction of the connecting rod assembly 4 is slid or fixed, wherein the first slider 12 and the second slider 22 can adopt a block structure, wherein the weight ring can be adjusted around the center of the wheel hub and moved radially, so as to facilitate adjustment and reduce eccentricity force, saving time and manpower.

The present invention sequentially controls a first vane module, a second vane module, a third vane module, and a fourth vane module in consecutive order, thereby generating round swinging wind aroundan indoor unit, so as to have advantages of providing direct air in the discharging direction of each vane module, and providing indirect air to an indoor space that is outside the discharging direction of each vane module.