153 results about "Centripetal force" patented technology

A placing seat is fixed to the upper portion of a base through a plurality of supporting columns in a suspended mode, a plurality of linear sliding grooves distributed in an annular array mode are formed in the placing seat, and an inner supporting piece and an outer pressing piece are installed in each linear sliding groove; a clamping push plate is connected between the multiple supporting columns in an up-down sliding and sleeving mode, a plurality of pushing pieces are installed on the clamping push plate, the pushing pieces are in sliding connection with the inner supporting piece and the outer pressing piece, and a plurality of position adjusting mechanisms distributed in an annular array are installed below the containing base in a sliding mode; a plurality of inner supporting pieces and outer pressing pieces which are distributed in an annular array mode are arranged above the containing base, two positioning rollers on the inner supporting pieces and the outer pressing pieces can synchronously move in the opposite directions from the inner side and the outer side, the inner wall and the outer wall of a workpiece are clamped at the same time, clamping force appears in pairs, radial force is offset, the workpiece mainly bears uniform centripetal force, and the deformation risk is greatly reduced.

The invention relates to the technical field of flow detection, and discloses a device and method for detecting the flow of gas-liquid two-phase flow in a microtubule, the device comprises a separation mechanism, the separation mechanism further comprises a main body, the inner wall of the main body is fixedly connected with an annular plate, the left side of the main body is fixedly connected with an inlet pipe, and the right side of the main body is fixedly connected with a liquid outlet pipe; after the fluid flows into the top of the spiral plate, the fluid flows downwards along the spiral plate, the fluid is subjected to the action of centrifugal force and centripetal force in the flowing process, so that the flow speed is changed, the fluid is subjected to the action of the centrifugal force, liquid with high density is thrown to the outer side, and gas with low density is concentrated in a central area; the liquid in the fluid continuously flows downwards and flows into the liquid outlet pipe through the through groove under the influence of gravity, so that the liquid in the fluid can be separated and measured respectively after being separated, mutual interference between gas-phase flow and liquid-phase flow can be avoided, and the accuracy of a measurement result is improved.

The invention discloses an energy storage frequency modulation instruction prediction method and system based on a centripetal force method, and relates to the technical field of artificial intelligence in a power system, and the method comprises the steps: decomposing an original frequency modulation sequence through VMD, decomposing the original frequency modulation sequence into a plurality of subsequences, setting the number of decomposition layers as K, recognizing convex points and concave points in the sequence, and carrying out the prediction of an energy storage frequency modulation instruction. Obtaining a resultant force of each sub-sequence to evaluate features; evaluating the centripetal force direction and magnitude of each subsequence decomposed by the VMD by adopting a centripetal force method, and determining the maximum centripetal force as a target function; and an improved frost ice optimization algorithm is applied to optimize the decomposition layer number K of the VMD so as to maximize the objective function and obtain the optimal decomposition effect. According to the invention, the processing efficiency and accuracy of the frequency modulation signal are effectively improved, and important support is provided for real-time prediction of a frequency modulation instruction in an energy management system.

The invention belongs to the technical field of sliding bearings and protection thereof, and discloses a metal radial elastic sheath for a ceramic sliding bearing under a high-temperature working condition, and the sheath comprises an inner sheath and an outer sheath; the inner sheath sleeves the periphery of the ceramic bushing, is a thin-wall metal sleeve, and is provided with a plurality of spiral openings in the circumferential direction, so that the inner sheath generates elastic bending when being stressed in the radial direction and disperses stress in the annular range; the outer sheath is sleeved on the periphery of the inner sheath, helical teeth are uniformly distributed on the inner circumferential surface of the outer sheath, and the helical teeth apply centripetal acting force to the inner sheath through radial elastic deformation under assembly and high-temperature working conditions. Through flexible deformation of the spiral opening of the inner sheath and radial elastic pre-tightening fit of the helical teeth of the outer sheath, fastening fit can be maintained when a thermal expansion difference exists between the metal bearing seat and the ceramic bushing, stress concentration of the ceramic bushing is reduced, and the risk of axis drift is reduced.

The invention relates to the technical field of vehicle integrated design and control, and provides an independent steer-by-wire system for a full-vector power chassis and a control method of the independent steer-by-wire system for the full-vector power chassis. Then the steering intention is matched with a corresponding driver map curve, the expected transverse speed and the expected yaw velocity are obtained in combination with the driving parameters, the demanded centripetal force needed by the steering intention is compared with the centripetal force capable of being provided by the vehicle under the current driving condition, and a corresponding Ackerman steering map curve is selected to obtain the optimal Ackerman four-wheel steering angle; and finally, controlling a steering angle module of the vehicle to steer according to the optimal Ackerman four-wheel steering angle, the expected transverse speed and the expected yaw velocity. According to the invention, steering control can be well carried out.

The invention discloses a centripetal force sensor and a using method thereof, and belongs to the field of sensors. According to the technical scheme, the centripetal force sensor comprises a fixed part and a rotating part, the rotating part comprises a sensor shell, the sensor shell is hollow, a center signal column is fixedly installed in an inner cavity of the sensor shell, a plurality of notches are formed in the outer circumferential face of the center signal column, and mass blocks are placed in the notches; piezoelectric ceramics are arranged on the outer side of the mass block, and the piezoelectric ceramics and the mass block are clamped between the inner wall of the sensor shell and the outer wall of the center signal column. The sensor is directly installed at the rotation center of a detected object, additional centrifugal force generated by the mass of the sensor approaches to zero, the authenticity of the detection result is greatly improved, meanwhile, the sensor is in direct conductive contact with the signal output structure through the center signal column, the mouthpiece does not rotate along with the detected object, and the detection accuracy is improved. The winding and pulling faults of the mouthpiece and an external pipeline are completely eradicated, and the durability of the sensor is improved.

The invention discloses a robot adaptive neural optimal tracking control method and device considering dynamic constraints, and the method comprises the steps: building a kinetic model of a robot in a joint space, and considering the input torque, inertia matrix, centripetal force and Coriolis force matrix and gravity torque of a robot system; the dynamics of the robot system is mapped to a Cartesian space, a position vector and a speed vector are defined, and a state space model of the robot system is established; and under the condition that dynamic constraints exist, a self-adaptive optimal nerve tracking controller is designed based on an optimal backstepping method and an actor-commentator Sheng network method so as to process the dynamic constraints and realize optimal tracking performance. Under the dynamic constraint environment, the robot can track the expected trajectory more accurately, and meanwhile movement safety is ensured.

The utility model relates to the technical field of sealing ring installation, and discloses a new energy precision servo actuator sealing ring adjusting device which comprises a guide supporting assembly, a guide ring and a guide sleeve coaxial with the guide ring, and guide grooves extending in the radial direction are distributed in the side edge of the guide ring in the circumferential direction. The movable assembly sleeve comprises an assembly sleeve body, a sliding block and an elastic annular piece, the assembly sleeve body is annularly formed by arranging a plurality of disconnected arc-shaped blocks on the periphery of the guide ring in a surrounding mode, one end of the sliding block is perpendicularly connected with the inner side face of the arc-shaped block, and the other end of the sliding block extends into the guide groove; one end of the connecting rod reamer is a conical head, the other end of the connecting rod reamer is a connecting rod with threads, and the end of the connecting rod is in threaded fit with the guide sleeve. The connecting rod reamer achieves horizontal movement through rotation, the conical head extrudes the sliding block, the elastic annular piece exerts coaxial centripetal force on the movable assembly sleeve, expansion and locking of the movable assembly sleeve are achieved, physical supporting expansion can be conducted on the installed sealing ring, and the sealing ring is restored to the original shape.

A torque output assembly, comprising a centering sleeve (11). A power input end (111) rotates around an axis of rotation (112). An operation hole (114) is formed inside a power output end (113), The axis of the operation hole (114) basically coincides with the axis of rotation (112). The depth of the operation hole (114) is greater than the thickness of a workpiece (4). A free end of the power output end (113) extends transversely outward to form an abutting portion (115). The end face of the abutting portion (115) facing away from the power input end (111) is recessed inwards to form a centering recess (116). The depth of the centering recess (116) is smaller than the thickness of the workpiece (4). The recess (116) is in communication with the operation hole (114). When the centering sleeve (11) rotates, the centering recess (116) applies a centripetal force to the workpiece (4) so as to guide the workpiece (4) into the operation hole (114). By means of the centering sleeve (11), centering before coupling and torque transmission after coupling can be smoothly completed, so that the centering sleeve (11) and the workpiece (4) can be quickly positioned relative to each other, thus improving the operation efficiency and reducing requirements for the attitude of the centering sleeve (11) relative to the workpiece (4) during centering.

A method and a system for coating products are provided. The method includes the steps of applying a coating liquid to a product and removing excess coating liquid from the product. It is desirable to provide a method and system for efficiently and reliably coating delicate or easily deformable products, such as products molded from a pulp fiber slurry. The method includes fixing the product to a receiving portion of a product carrier that is configured in the same shape as the product, such that an exterior surface of the product abuts the interior concave surface of the receiving portion of the device. A coating liquid is applied to the product in the product carrier. The product carrier is affixed to a centrifuging device and the coating liquid is dispersed over the surface of the product using centripetal force.

A method for coating products is provided. The method includes the steps of applying a coating liquid to a product and removing excess coating liquid from the product. It is desirable to provide a method for efficiently and reliably coating delicate or easily deformable products, such as products molded from a pulp fiber slurry. The method includes fixing the product to a receiving portion of a product carrier that is configured in the same shape as the product, such that an exterior surface of the product abuts the interior concave surface of the receiving portion of the device. A coating liquid is applied to the product in the product carrier. The product carrier is affixed to a centrifuging device and the coating liquid is dispersed over the surface of the product using centripetal force.

The invention relates to the technical field of vacuum pumps, in particular to a double-end spiral screw and a vacuum screw pump, the double-end spiral screw comprises a pump body, screws, threads and a sealing ring, the two screws are installed in the pump body, the threads are symmetrically arranged on the screws, the two screws are meshed with each other through the threads, the screws are connected with a motor, spiral grooves are formed in the threads, the thread pitches of the spiral grooves are equal to the thread pitches of the threads, and the sealing ring is arranged in the pump body. A radial compensation assembly is arranged in the spiral groove, a plurality of sealing rings are installed on the outer end face of the thread, the radial compensation assembly is connected with the sealing rings, one ends of the sealing rings are connected with axial compensation assemblies, and the sealing rings are connected with the adjacent sealing rings through the axial compensation assemblies. The radial compensation assembly is used for enabling centripetal force generated when the screw rotates to extend the sealing ring in the radial direction, and the axial compensation assembly is used for enabling the sealing ring to stretch out and draw back in the axial direction when the sealing ring rotates. The outer diameter end face of the sealing ring is in sliding connection with the side wall of the vacuum cavity through the axial compensation assembly and the radial compensation assembly. The vacuum efficiency of the vacuum pump is improved.

1. The name of this design product: Centripetal force demonstrator. 2. Purpose of this design product: This design product is a physical experiment instrument used to demonstrate centripetal force. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application belongs to the field of flywheel energy storage, and particularly relates to a super-high energy density superconducting flywheel energy storage system containing an additional centripetal force device, aiming at solving the problem that the flywheel rotation speed is limited by the strength of the material itself. The application comprises a vacuum cavity, a driving device, a flywheel, an additional centripetal force providing device and a high-temperature superconducting magnetic suspension bearing. The driving device is in transmission connection with the flywheel, and the additional centripetal force providing device is arranged outside the flywheel. The additional centripetal force providing device can provide additional centripetal force to the flywheel, so that the rotation speed of the flywheel can be higher than the limit rotation speed determined by the limit strength of the flywheel material itself, thereby breaking the problem that the flywheel rotation speed is limited by the material strength, and enabling the superconducting flywheel energy storage system to realize super-high energy density energy storage.

The present application discloses an adaptive finite-time manipulator disturbance observation method, system, device and medium, which mainly relates to the technical field of manipulator disturbance observation, and is used to solve the problems that the existing observers involve restrictions on "derivative being 0" and "known upper bound" and the implementation process is cumbersome. It includes: obtaining a preset trend factor, a robot inertia matrix, a robot Coriolis force and centripetal force matrix, a robot gravity torque, and a robot speed; calculating a preset auxiliary state variable through the preset trend factor, the robot inertia matrix, the robot Coriolis force and centripetal force matrix, the robot gravity torque, and the robot speed; importing the preset auxiliary state variable, the preset trend factor, the robot inertia matrix, and the robot speed into the expression of a preset observer to obtain the disturbance output value of the observer.

A system for producing a relative centripetal force differential includes a turntable having a plurality of spoke units arranged along radial lines around the center of the turntable. Each of the spoke units is attached to the turntable and has a mass that is moved a drive unit of the respective spoke unit along the radial line, based on its present position of rotation around the center of the turntable. As the turntable is rotated mass of each spoke elements is moved such that it is at a minimum distance through a minimum distance region, at a maximum distance through a maximum distance region that is opposite the minimum distance region, and increased or decreased through transition regions on either side of the minimum and maximum distance regions.

A distributed high-fidelity simulation system for large-scale high-speed AUVs based on real disturbance data is proposed. Through a large-scale AUV virtual test vehicle subsystem, the system simulates the motion state of a real large-scale high-speed AUV physical prototype under the interaction of rigid body inertia, gravity, buoyancy, inertial hydrodynamic forces, centripetal force, Coriolis force, drag, thrust, rudder force, and external environmental disturbances. Collision attributes are added to the prototype through a physics engine. The system also utilizes an underwater 3D virtual environment subsystem to render a large-scale underwater environment, build dynamic and static obstacle visualization models, and simulate the generation of realistic ocean currents and wave disturbances with high fidelity. The simulation presents a realistic underwater environment for a large, high-speed AUV. A motion solution subsystem describes the transformation relationships between the fixed coordinate systems of all objects in the underwater virtual environment and solves the motion equations of the large AUV, synchronously updating its pose and velocity states. A data management subsystem manages various data generated during the simulation, supporting write and read data operations, and also manages and coordinates data communication between nodes, supporting receive and send data operations. A visualization subsystem loads and dynamically displays the underwater 3D environment and the large AUV virtual test vehicle model, synchronously updating real-time data curves and visualizing the AUV's motion trajectory.

The invention provides a long-term residence method and system for an earth-centered polar region suspension spacecraft, and relates to the technical field of spaceflight, and the method comprises the steps: S1, setting a graphene film sail surface for the earth-centered polar region suspension spacecraft, enabling the graphene film sail surface to act with the light of the sun, and calculating the suspension centripetal force; and S2, a control system is arranged, the included angle relation between the graphene film sail surface and sunlight is controlled according to the suspension centripetal force, the suspension orbit requirement is met in real time, spiral suspension orbit operation is formed, revolution is performed along with the sun along with the earth, one-year regression is formed, and geocentric polar region suspension orbit operation of the next period continues. According to the invention, the comprehensive detection performance and observation efficiency of the polar spacecraft can be effectively improved.

The invention discloses a modularized middle school physical mechanics experiment measurement and control system and a centripetal force experiment method, and belongs to the technical field of middle school physical experiment teaching equipment. The measurement and control system comprises a rotation and speed measurement module and a tension measurement module which can work independently and can also be combined flexibly, the rotation and speed measurement module takes an STM32 single-chip microcomputer as a core, and accurate measurement and control of the rotation speed are realized through Hall encoder orthogonal pulse acquisition, quadruplicated frequency processing and M-method speed measurement; the tension measurement module realizes accurate acquisition of tension through a tension sensor and a 24-bit high-precision AD conversion chip. Modularization and modularization design is adopted in the core of the device, the two modules can independently adapt to various mechanical experiments and can also be integrated to build a centripetal force experiment platform, and verification of a centripetal force formula is completed through a matched experiment method. The problems that traditional experimental equipment is poor in universality and complex in operation are solved, the scheme is simplified and focused, and extremely high practicability and patent authorization are achieved.

The invention discloses an aircraft power design scheme, belongs to the field of aircraft power design, and aims to solve the problems of aircraft power, energy, acceleration and the like. On the basis of a previously applied patent'dynamic vacuum hemisphere theoretical technology ', two vacuum hemispheres are designed to be deep and shallow and are overlapped and vacuumized to be connected with a valve core of a valve to be connected with a spray pipe, ten pipelines are utilized to work and operate simultaneously, and the vacuum hemispheres are rotated by magnetic pole dislocation (or the vacuum hemispheres are rotated by magnetic suspension). Vortex polymerization is formed under the action of centripetal force and centrifugal force, the overall flowing direction of gaseous substances pressed on the surface of the hemisphere is changed, the gaseous substances are polymerized to solve the energy problem, internal energy of the gaseous substances is excited through friction collision and directly converted into energy to obtain internal pressure, and the power problem of the aircraft is solved. Front-back driving is provided for the aircraft through internal pressure, and the problem of aircraft acceleration is solved through mutual pushing pressurization between acting force and counter-acting force.

The invention discloses a method for rapidly calculating the lifting amount and the gear-shifting force of an automobile door. The method comprises the steps that S1, the hinge axis position of an automobile door system is determined; s2, the barycentric coordinate position of the vehicle door system is determined, and the lifting amount of the vehicle door system is calculated; s3, component force, a centripetal force arm and a centripetal moment of a gravity vertical hinge axis of the vehicle door system under different opening angles are calculated; s4, calculating the flat ground function torque of each gear of the limiter; and S5, evaluating the hill-holding performance of the vehicle door system. According to the rapid calculation method for the lifting amount and the gear-shifting force of the automobile door, when any parameter of the hinge axis position or the axis inclination angle, the automobile door gravity center position or the weight, the gear angle and the theoretical opening force value changes, the lifting amount and the gear-shifting force are calculated; the method can quickly calculate the flat ground function torque of each gear of the limiter corresponding to a theoretical handle operating force value and judge whether the slope holding performance of a 20% slope (upward / downward inclination of a vehicle head) and a 10% slope (left / right inclination) meets the requirements or not, and improves the calculation efficiency.

The present disclosure relates to a work vehicle magnetorheological fluid joystick system that can operate in a modified centripetal mode. The work vehicle magnetorheological fluid (MRF) joystick system includes: a joystick device, an MRF joystick resistance mechanism, and a controller architecture. The joystick device further includes: a base housing, a joystick movably mounted to the base housing, and a joystick biasing mechanism, which is connected to the joystick and applies a centripetal force to urge the joystick to return to the neutral position when the joystick is moved away from the neutral position. The controller architecture is capable of operating in a modified centripetal mode, wherein the controller architecture: (i) determines when the joystick begins to return toward the neutral position due to the centripetal force applied to the joystick by the joystick biasing mechanism; and (ii) when so determined, issues a command to the MRF joystick resistance mechanism to modify the rate at which the joystick returns to the neutral position by changing the MRF resistance applied to the joystick.

The present invention discloses a method for dynamic control of an excavator arm, wherein the dynamic model of the excavator arm is linearized, the parameters of the dynamic parameter matrix of the excavator arm are identified, and the identified dynamic feedforward model of the excavator arm is obtained. The feedforward signal output by the dynamic feedforward model of the excavator arm is input into a pre-built three-loop PID control system, and the three-loop PID control system outputs the control results of each joint of the excavator arm. The method for dynamic control of an excavator arm provided by the present invention adopts a control mode of dynamic feedforward + three-loop PID feedback, calculates in real time the inertial force, Coriolis force, centripetal force, gravity and friction force generated when the excavator arm moves, and designs an excavator arm control system, which can improve the dynamic accuracy of the excavator arm during movement and improve the reliability and stability of the excavator during movement.

A spinning device, such as a top, that can selectively spin about a central axis of rotation. The spinning device has a body that contains a fluid chamber that is visible through at least part of the body. A plurality of liquids are held within the fluid chamber. Some solid objects can also be mixed within the liquids. At least some of the plurality of liquids have different densities. Accordingly, when the spinning device spins about a central axis of rotation, centripetal forces are generated that cause at least some of said plurality of liquids to migrate to different distances from the central axis of rotation. At least some of the liquids are different colors and are insoluble with one another. Accordingly, the liquids produce a pattern of separate bands that can be seen through the body of the device.

The application discloses a kind of frame structure building rotation displacement method, it is related to civil construction technical field, construction circular arc-shaped displacement track in the two sides of frame column along displacement direction, the displacement track of far side from rotation center is outside track, the displacement track of near side to rotation center is inside track, support plate is respectively laid on the top surface of inside track, outside track, and several rollers are placed on the top surface of support plate along the displacement direction of building;Connecting is implanted with insert reinforcement in the two sides of frame column perpendicular to displacement direction;First, the concrete of underpinning beam perpendicular to displacement track direction is poured, then the concrete of underpinning beam parallel to displacement track direction is poured;Frame column between the bottom of underpinning beam and the top of foundation is cut off;Pushing system is set in each displacement track, and building is moved to predetermined position by pushing system.The application utilizes outside inclined displacement track to provide centripetal force to realize building frame displacement rotation, meet the demand of changing building orientation, and displacement process is stable and controllable.

The invention discloses a displacement amplification type tuned mass inerter damper for a fan blade and an installation method of the displacement amplification type tuned mass inerter damper. The displacement amplification type tuned mass inerter damper comprises a tuned mass inerter damper body, the fan blade, a steel wire rope and an According to the tuned mass inerter damper, infinitesimal displacement generated by vibration of a fan blade is amplified through the displacement amplification type vibration reduction mechanism according to the lever principle, the inerter disc is driven to do vertical reciprocating motion on the screw rod, the inerter disc and the vibration reduction control spring generate damping force and elastic force, and meanwhile when the rotating speed of the blade changes, the vibration reduction effect is achieved. The centripetal force generated by the tuned mass inerter damper in the direction of the connecting line from the blade tip to the blade root and the gravity of the inerter disc in the direction of the screw also change, and therefore displacement generated by vibration of the fan blade is effectively controlled, and energy dissipation and vibration reduction are achieved. In addition, in the direction perpendicular to the connecting line of the blade tip and the blade root, damping force generated by rotation of the inerter disc when the fan blade vibrates can effectively restrain the inertial effect of the overall structure of the damper, and therefore the efficiency of energy dissipation and vibration control is further improved.

The invention discloses a novel dynamic vacuum hemisphere theoretical technology, belongs to the field of gaseous flow dynamics, and solves the problem of an experimental technology for controlling the flow of a gaseous substance, and two hemispheres with different depths are overlapped and vacuumized to break through the bottom and rotate to change the flow direction of the gaseous substance to generate centripetal force and centrifugal force. Therefore, the flow of the gaseous substance is controlled.

Methods of separating excess resin from an object include additively manufacturing an object on a build platform, the object (115, 415) carrying excess resin therein and / or thereon; removing the object from the build platform; placing the object in a cradle (100, 400) and / or cradle support (155, 455), optionally wherein a surface 110, 140) of the cradle aligns with a surface of the object (125,145) and contacts the surface of the object when the cradle and / or cradle support moves under centripetal force; placing the cradle and / or cradle support in a spinning apparatus; centrifugally separating excess resin from the object; and removing the cradle, cradle support, and / or object from the spinning apparatus, at least a portion of the excess resin being separated from the object.

The utility model discloses a teaching experiment teaching aid for centripetal force magnitude influence factors, and relates to the technical field of experiment teaching aids, the teaching experiment teaching aid comprises a bottom plate, four vertical rods, four cross rods and fixing columns, the vertical rods are fixedly installed at four corners of the top surface of the bottom plate, the cross rods are fixedly installed between the top ends of the vertical rods which are opposite in pairs, and the fixing columns are fixed on the bottom plate. A driving assembly is fixedly connected to the center of the top face of the bottom plate, and the fixing column is fixedly installed on the top face of a transverse rod. The speed regulation motor is used for stabilizing the rotating speed to improve unstable rotating speed caused by using hands, the rotating speed can be adjusted through the numerical control module, the movement radius is changed by adjusting the height of the force measurement module, operation is simple and visual, and the principle is easy to understand; experimental phenomena of the same mass and different rotating speeds, the same rotating speed and different radiuses, and the same mass and the same rotating speed radius are obvious, so that students can intuitively and quantitatively understand the influence factors of the magnitude of centripetal force.

The utility model discloses a water pollution control sedimentation tank which comprises a sedimentation tank main body, a sludge discharging opening is formed in the lower part of the sedimentation tank main body, a vertical main rotating column is arranged in the middle of the interior of the sedimentation tank main body, and at least one sludge scraping plate is fixed on the main rotating column along the tangential direction. At least one mud scraping plate is fixed to the main rotating column in the tangential direction, when the main rotating column rotates, the mud scraping plates can be driven to rotate, when the mud scraping plates rotate, mud deposited in the hopper-shaped part can be pushed to enter the mud discharging opening, and due to the fact that the diameter of the mud scraping plates and the diameter of the main rotating column have a certain angle, the mud discharging opening can be formed. The sludge is subjected to tangential force and centripetal force, so that the sludge can be better pushed to enter the sludge discharging opening; an auxiliary power assembly is arranged, stress of the main motor is relieved, and the service life of the main motor is prolonged.