13results about How to "Overcome friction" patented technology

The utility model relates to an automatic sorting device for lens disassembly, which relates to the technical field of lens disassembly and comprises a storage bin used for storing lenses to be disassembled and a feeding and discharging Y shaft arranged on one side of the storage bin and used for moving the lenses in a tray out to a working area. The jacking and clamping double-station assembly comprises a clamping head for clamping a to-be-disassembled lens, a lead screw motor for ejecting out to-be-sorted components in the lens in the direction below the clamping head, a component pre-pressing plate piece for pre-pressing the products to prevent the products from scattering and inclining, and a pre-pressing mechanism switching shaft for adjusting the position of a pre-pressing mechanism. An inverted U-shaped support plate is arranged on the top surface of the free end of the component pre-pressing plate piece, the inner wall of the U-shaped support plate is connected with a vacuum chuck tailstock through a lifting component, the bottom surface of the vacuum chuck tailstock is connected with a vacuum chuck piece through a pipeline longitudinally penetrating through the component pre-pressing plate piece, and the vacuum chuck piece adsorbs a component in a lens in a product.

The invention relates to a structure and method for achieving gear shifting by driving an idle gear on a shaft to slide through shaft core sliding. A traditional shifting fork gear shifting structure is replaced, so that the position of a shifting fork does not need to be reserved in the speed change gear box, and the speed change gear box is more compact in structure, high in transmission efficiency and reliable in operation. An external oil cylinder is not needed, so that a vacancy can be vacated, and the weight is reduced; in addition, the vacancy can be used for adding special parts or special design and the like, so that the practicability of the speed change gear box is improved, and wider application requirements can be met; due to the fact that no shifting fork exists, the problem that the shifting fork is abraded in the long-time friction process of the shifting fork and the gear ring groove is solved, and the reliability of the speed change gear box in the operation process is improved. Vibration and friction caused by slippage of splines of a traditional speed change gear are overcome, and noise and vibration are effectively reduced; and a locking device is further arranged, and the locking device can limit and lock axial movement and axial rotation of the sliding shaft, so that the stability during gear transmission can be improved.

The vacuum suction cup type wall-climbing welding robot comprises a vehicle body structure, a positioning module, a pose monitoring module, a driving module, a welding module and a control system. The positioning module adopts a laser displacement sensor and a depth camera which are respectively fixed on a welding head and a vehicle body; the pose monitoring module is a vehicle body built-in gyroscope; the driving module comprises a group of driving wheels and a driving motor in a driving box body; the adsorption module is composed of two sets of adsorption wheels, each adsorption wheel is of a capsule structure, in other words, the middle portion is composed of an adsorption shaft and suction cups, the suction cups are distributed on the shaft face in a spiral line mode, and an air inlet valve and an air release valve are arranged on the two sides of the adsorption shaft respectively. The welding robot is suitable for a multi-diameter smooth weak magnetic thin-wall surface, and complete self-walking welding can be achieved; meanwhile, the robot can achieve accurate recognition and positioning of the welding gun on the welding seam, and welding work of the multi-diameter weak magnetic tank can be efficiently completed.

The invention discloses an intelligent door lock battery box facilitating battery disassembly, and relates to the field of intelligent electronic door lock equipment, the intelligent door lock battery box comprises a bottom shell, a middle frame, a face shell, a battery protection plate, a positive electrode elastic piece, a negative electrode elastic piece and a power output plug, the positive electrode elastic piece and the negative electrode elastic piece are installed at the two ends of an inner cavity of the bottom shell correspondingly; the battery protection plate is installed at the end, close to the positive elastic piece, of an inner cavity of the bottom shell, a plurality of battery installation grooves are formed in the inner cavity of the bottom shell, the positive electrode ends and the negative electrode ends of the multiple storage batteries installed in the battery installation grooves side by side abut against the positive elastic piece and the negative elastic piece respectively, and the power output plug used for being electrically connected with the intelligent door lock is arranged at the top of the bottom shell. And the middle frame is fixedly connected above the bottom shell and compresses and positions the positive elastic sheet, the negative elastic sheet and the battery protection plate, and the surface shell covers above the middle frame. The battery box is simple in structure and convenient to use, disassembly of the battery box and battery replacement are facilitated, and the service life of the battery box is effectively prolonged.

The utility model discloses a kind of biomass gasification combustion boiler, including boiler shell, further include: pneumatic feeding mechanism, the pneumatic feeding mechanism is arranged in the top position of boiler shell, the pneumatic feeding mechanism includes a transverse distribution's conveying main pipeline, the top end of the spiral feeder is connected with discharge pipe, the discharge pipe is through the top center of boiler shell, the conveying main pipeline is installed with the spiral feeder for conveying material in the end away from discharge pipe, and in the top of the conveying main pipeline and the end close to spiral feeder is connected with feed hopper, the top of the discharge pipe is provided with top air inlet, the middle part of the discharge pipe is funnel-shaped.The utility model is filled into gas by top air inlet top, and the suction force generated when gas passes through throat portion further absorbs gas source, airflow forms turbulent flow in pipeline, fully disperses the small agglomerate of rice hull powder, and lay foundation for subsequent dispersion.

The invention discloses an intelligent screwing robot for a coastal power plant steel structure high-strength bolt, and relates to the technical field of intelligent screwing robots, the intelligent screwing robot comprises a puncture type lubricating assembly, the puncture type lubricating assembly is arranged in an automatic bolt screwing mechanism, and the puncture type lubricating assembly comprises a plurality of first air bag layers, a lubricant and a plurality of ejector pins; the first air bag layers are filled with lubricating agents, the bottom faces of the first air bag layers make contact with the ejector pins and are stressed to be broken, so that the lubricating agents flow out and are used for guiding flow to the surfaces of the nuts and the surfaces of the bolt strips to reduce friction force of threads of the nuts and the bolt strips. The first bevel gear is driven to rotate synchronously, that is, the second bevel gear connected with the first bevel gear in a meshed mode is driven to rotate, the second bevel gear drives the lead screw to rotate, horizontal rotation power is converted into the vertical direction, and a lubricating agent flows into the thread meshing surface through the centralized liquid guide assembly to be used for reducing friction force of the meshing surface.

The utility model belongs to the field of discharging bins, and particularly relates to a novel discharging structure of a discharging bin, which comprises the discharging bin, a feeding hole is arranged on one side of the top of the discharging bin, and a discharging hole is arranged at the bottom of one side of the discharging bin. The material guide plate is fixedly connected to an inner cavity of the discharging bin; the driving part is arranged on one side of the discharging bin; materials directly fall to the top of a material guide plate through a feeding hole, a plurality of second rotating rods rotate, the bottom of the material guide plate is impacted through a plurality of striking plates, vibration of the material guide plate is achieved, discharging is assisted, the materials can flow more rapidly in a discharging bin through vibration, and therefore the discharging speed is increased, the production efficiency is improved, and the practicability is high. According to the discharging bin, friction force and cohesion between materials can be overcome, the phenomenon that the materials are blocked in the discharging bin is reduced, it is guaranteed that the materials can be smoothly discharged from the discharging port, the materials are more evenly distributed in the discharging bin, and the materials are prevented from being accumulated in a local area.

The invention discloses a powder supply device and method for a powder ramjet engine, the powder supply device for the powder ramjet engine comprises a cylinder body, a piston and a fluidization cavity sealing plate, the piston is in sliding connection with the inner side wall of the cylinder body, the fluidization cavity sealing plate is arranged at one end of the cylinder body, and a fluidization cavity is defined by the fluidization cavity sealing plate, the piston and the inner side wall of the cylinder body; the fluidization cavity is filled with powder fuel, when the piston moves towards the fluidization cavity sealing plate, the powder fuel can be pushed towards the fluidization cavity sealing plate, a first fuel outlet hole and a plurality of fluidization gas inlet holes are formed in the fluidization cavity sealing plate in a penetrating mode, the first fuel outlet hole is used for being communicated with an engine combustion chamber, and all the fluidization gas inlet holes can receive fluidization gas. By changing the diameter and the distribution density of each fluidizing gas inlet hole which can receive fluidizing gas and is communicated with the fluidizing cavity, the flow field of the fluidizing gas entering the fluidizing cavity through the fluidizing gas inlet holes is changed, and the requirements of different powder fuel particle sizes, particle size distribution and working conditions are met.

The utility model relates to the technical field of washing stone powder recovery, in particular to washing stone powder recovery equipment which comprises a base and supporting legs, the supporting legs are fixedly connected to the four corners of the upper end of the base, the base is fixedly connected with a stock bin through the supporting legs, the left end of the stock bin is fixedly communicated with a feeding pipeline, and the right end of the stock bin is fixedly communicated with a discharging pipeline. The upper end of the stock bin is fixedly connected with a first shell, and a stone powder scattering structure is arranged in the first shell. Through cooperation of a stone powder block scattering structure and a stone powder conveying structure, an output shaft of a first servo motor rotates to drive a first gear to rotate, the first gear rotates to drive a second gear to rotate, a stirring rod rotates to crush caked washed stone powder, and when a spiral rod rotates, spiral blades of the spiral rod continuously push the washed stone powder to advance; the friction force and the adhesive force among the washed stone powder are overcome, so that the washed stone powder can be continuously and stably discharged, blockage is avoided, and the smooth recovery process is ensured.

The invention relates to the technical field of wind driven generators, in particular to a 2MW wind turbine generator axial load shunting system. Comprising an air cylinder fixed to an end cover, and a front cylinder cover and a rear cylinder cover are arranged on the two axial sides of the air cylinder; a piston rod is arranged at one end of the cylinder, and one end of the piston rod is mounted in the cylinder and connected with the working piston; the working piston divides the air cylinder into two cavities, and each cavity is connected with an air guide pipe; the two air guide pipes are connected with the electromagnetic valve; the air inlet end of the electromagnetic valve is connected with the air compressor; a displacement sensor is arranged on the piston rod. The initial axial pre-tightening effect is achieved by adjusting the electromagnetic valve and accurately controlling the initial pressure in the air cylinder, the influence of the front bearing clearance change of the wind turbine generator on the performance of the unloading device is effectively eliminated, the high-precision electromagnetic valve is adopted, the position and the load state of the unloading device are monitored in real time through the displacement sensor on the piston rod, and the unloading effect is improved. When a problem is caused by bearing clearance change, the pressure is timely responded and adjusted, and the efficient operation of the unloading device is maintained.

The invention discloses a purification treatment device for sustainable aviation fuel production. The purification treatment device comprises a desulfurization tower; the purification cavity is arranged in the desulfurization tower and is provided with a plurality of desulfurization cavities, the top of the desulfurization tower is connected with a top cover, and an oil inlet communicated with one desulfurization cavity is formed in the top cover; the purification cavity is divided into a plurality of desulfurization cavities, and the positions of the desulfurization cavities can be flexibly changed through the adjusting parts, so that the desulfurization cavities can be used in turn, and each desulfurization cavity can obtain balanced load distribution in the long-time use process. By means of the design, the situation that the adsorbent is oversaturated due to the fact that a certain desulfurization cavity is in a high-load state for a long time is avoided, and the use efficiency of the adsorbent in the desulfurization process is ensured. A spiral blade is arranged in each desulfurization cavity, and rotation of the spiral blades not only plays a role in conveying the adsorbent, but also can effectively stir and push the adsorbent, so that uniform distribution of the adsorbent is promoted.

The present application relates to a method and device for identifying the moment of inertia of a motor. After controlling the motor so that the motor rotates to a set speed, a specific frequency wave is superimposed on the speed command to obtain a frequency modulation command. The output torque and feedback speed are sampled at the zero-crossing point of the superimposed specific frequency wave, and operations are performed according to the output torque sampling information and the feedback speed sampling information to obtain the real part, imaginary part and phase angle of the speed signal and torque signal with the same frequency as the frequency modulation command. The phase angle difference between the speed signal and the torque signal is calculated, and the characteristic value is selected from each phase angle difference, and the real axis and the imaginary axis are determined according to the real part and imaginary part corresponding to the characteristic value. According to the real axis and the imaginary axis, the speed amplitude is determined, and according to the real axis, the imaginary axis and the speed amplitude, the motor moment of inertia parameters are determined. It avoids the problem that the actual application can only rotate in one direction, which makes the identification impossible, and overcomes the influence of the zero-frequency Coulomb friction and load torque. There is no need to set the performance parameters of the identification algorithm, and it is easy to implement.

The invention relates to the technical field of gear machining, in particular to a continuous and stable gear machining device with a chip guiding function, which comprises a guide and discharge adjusting main body, a conical chip guiding ring, a limiting adjusting main body, a positioning and rotating adjusting main body and an auxiliary chip removal main body, the positioning rotation adjusting body is arranged in the middle of the upper end of the guide and discharge adjusting body, and the auxiliary chip removal bodies are evenly distributed on the outer side of the positioning rotation adjusting body. The whole positioning rotation adjusting body and the limiting adjusting body are driven to rotate forwards and backwards at high frequency, generated alternating centrifugal force serves as chip removal main power, and compared with traditional passive or local chip removal modes such as gravity falling air blowing assistance, the powerful centrifugal force can overcome adhesive force and friction force between cuttings and a tooth groove cutter, and the chip removal efficiency is improved. Even if deep groove viscous materials are machined or tiny winding cuttings are generated, the cuttings can be effectively thrown out from the tooth grooves in all directions, and active omnidirectional chip removal is achieved.