48results about How to "Extend mechanical life" patented technology

The invention relates to the technical field of mechanical parameter adjustment, in particular to a method and system for adjusting operation parameters of agricultural machinery and a storage medium. The method comprises the following steps: acquiring multispectral image data of a farmland through a multispectral camera; performing image segmentation and feature extraction on the multispectral image data, and identifying different soil types, crop growth states and weed distribution to obtain farmland feature map data; performing tillage difficulty prediction of different areas on the farmland feature map data by using a deep learning algorithm to obtain tillage difficulty prediction data; acquiring part image data of the agricultural machinery; and carrying out edge detection and morphological analysis on the image data of the part, and identifying the wear state of the part so as to obtain wear state data. According to the method, deep learning is utilized to carry out tillage difficulty prediction and part wear dynamic modeling, so that the analysis capability of a complex farmland environment and a mechanical state is improved, and the prediction accuracy is enhanced.

The invention discloses an electromagnetic repulsion switch with three opening modes. The electromagnetic repulsion switch comprises an arc extinguish chamber shell, a static contact, a moving contact, a corrugated pipe, a transmission rod, an electromagnetic repulsion mechanism, a bistable spring retainer and a hydraulic buffer. Wherein the electromagnetic repulsion mechanism is composed of an opening coil, a moving coil, a closing coil and discharging circuits thereof, the discharging circuit of each group of coils comprises a discharging capacitor, a thyristor and a fly-wheel diode, the upper end and the lower end of the discharging circuit are respectively connected with leads on the outer side and the inner side of each coil, and the discharging circuits are mutually independent. According to the electromagnetic repulsion switch provided by the invention, the corresponding thyristors can be controlled to switch different opening modes according to working conditions, so that the stress and charging and discharging requirements of the electromagnetic repulsion switch under a constant-speed opening working condition are reduced, and meanwhile, a single-capacitor constant-speed driving mode and a double-capacitor rapid driving mode can be used as a backup scheme or a rapid reclosing scheme; and the reliability and the mechanical life of the electromagnetic repulsion switch are obviously improved, so that the application range of the electromagnetic repulsion switch is wider.

The invention relates to the technical field of non-electrical variable control or regulation systems, and discloses an exhaust gas aftertreatment flow channel back pressure dynamic regulation method, which comprises the following steps: acquiring a supply source phase reference signal and establishing cyclic mapping; a fluid channel pressure signal pulse range change rate is extracted to determine a feed-forward factor; determining a pressure signal trough interval as an action window; determining a reference amplitude based on the feedback deviation and using a feed-forward factor for compensation to determine a target adjustment instruction; the adjusting mechanism is driven to move in the action window, so that the response peak value is locked in the trough interval, the adjusting action is locked in the low-energy phase, kinetic energy intervention of fluid pulses on the adjusting mechanism is avoided, and mechanical abrasion is reduced; pulse characteristic feed-forward compensation is utilized to enable an adjusting instruction to sense the trend of a flow field, the response speed is increased while a signal is smoothed, and pressure balance under the transient working condition is maintained.

The invention relates to the technical field of mixing pile construction, and discloses mutual shearing type multi-layer mixing pile construction equipment which comprises a pile frame and a supporting frame arranged on the pile frame, the face, away from the pile frame, of the supporting frame is connected with a first stirring rod and a second stirring rod in a guiding mode, and a first inner fluted disc is fixed to the outer side of the first stirring rod; the inner side of the first inner fluted disc is in meshed connection with a first gear, the inner side of the second inner fluted disc is in meshed connection with a second gear, the second gear is meshed with the first gear, a plurality of second stirring plates are symmetrically arranged on the outer side of the second stirring rod, and a plurality of first stirring plates are symmetrically arranged on the outer side of the first stirring rod; the inspection part is arranged on the inner side of the first stirring rod in a lifting manner; the linkage part is arranged on the outer side of the barrel cover; the pulling and moving part is used for pushing the pushing and pressing part to prevent water from entering the first stirring rod, the execution part is pulled to rotate to the outer side of the first stirring plate and the outer side of the second stirring plate, and water enters the execution part and is sprayed to the first stirring plate and the second stirring plate to be flushed and cleaned in time.

The present invention discloses an integrated water-cooled variable ceramic vacuum capacitor, comprising: an outer shell, a mounting base, a guide sleeve, an adjustment component, a double-layer bellows installed in the outer shell, and an electrode, wherein the mounting base is fixedly mounted on the top of the outer shell, the guide sleeve is fixedly connected to the mounting base, and a water circulation channel is formed between the guide sleeve and the mounting base; the adjustment component comprises a pull rod, which is slidably mounted in the guide sleeve and fixedly connected to the moving electrode of the electrode; the double-layer bellows is sleeved outside the guide sleeve, and the double-layer bellows comprises an inner layer bellows and an outer layer bellows, one end of the inner layer bellows and the outer layer bellows are both fixedly connected to the mounting base, and the other end is both fixedly connected to the moving electrode. The present invention fundamentally changes the manufacturing process of the product by adopting a double-layer bellows structure, greatly saves production costs, and improves production efficiency.

The invention belongs to the field of selective laser melting rapid prototyping, and discloses a TiCN nanoparticle-containing magnesium alloy for selective laser melting and application thereof, and the TiCN nanoparticle-containing magnesium alloy powder for selective laser melting comprises the following components by mass: 8.5-9.5% of Al element, 0.5-0.9% of Zn element, 0.2-0.4% of Mn element, 1.5-2.5% of TiCN nanoparticles, less than or equal to 0.1% of impurity, and the balance of Mg element. The TiCN nanoparticles are introduced into the magnesium alloy, the selective laser melting process is matched, the mechanical property of the correspondingly obtained SLM magnesium alloy forming part is good, the ductility of the forming part is further improved through the refined and uniform magnesium alloy grain structure and dispersively distributed nano TiCN, and the tensile strength, the yield strength and the creep fracture life of the forming part are all improved.

The utility model discloses a deviation-rectifying tension sensor, which comprises a shell, a sensor strain body, a bearing seat, a sealing bearing, a connecting shaft and an electric connector, the sensor strain body is fixedly located in the shell, the bearing seat is fixedly located at the upper end in the shell, the sealing bearing is fixedly located in the bearing seat, the bearing seat is connected with a top flange of the sensor strain body, the electric connector is fixedly located at the bottom of the shell and electrically connected with the sensor strain body, and one end of the connecting shaft is fixedly connected with the sealing bearing. And the other end of the connecting shaft is positioned outside the bearing seat and is provided with external threads. The utility model has the advantages that the bearing seat can be detached and replaced at any time, the service life of the deviation-rectifying tension sensor is prolonged, and the cost is reduced.

The present invention discloses a control rod absorber core block and a control rod. The control rod absorber core block includes a zirconium hydride column having at least two sub-cavities inside and at least two boron carbide blocks; the boron carbide blocks are respectively filled in the sub-cavities of the zirconium hydride column; in the zirconium hydride column, the height of the boron carbide blocks extends along the height direction of the zirconium hydride column. The control rod absorber core block of the present invention is mainly formed by a zirconium hydride column and the boron carbide blocks filled therein, and has the advantages of high reactivity value and low radiation swelling rate, etc. It can replace absorber core blocks made of existing absorber materials such as simple B4C in fast reactors, and also has the potential for application in thermal reactors, thereby increasing the service life of control rods and thus increasing the mechanical life of control rod assemblies.

This invention discloses a magnetic connector portable hard drive with magnetic field guidance function, relating to the field of portable storage device technology. It includes a hard drive housing, a magnetic connector body movably disposed at the bottom of the hard drive housing, and further includes a pressing and pulling mechanism movably disposed on both sides inside the hard drive housing, a first self-locking mechanism disposed at the bottom of the pressing and pulling mechanism, and a second self-locking mechanism disposed on both sides of the magnetic connector body. Through the pressing and pulling mechanism and the linkage protection mechanism, the magnetic connector body can be automatically retracted into the hard drive housing when disconnection is required, achieving "non-destructive disconnection" of the interface. This avoids the need for users to shake the hard drive housing left and right to pull out the magnetic connector body due to friction between the magnetic force and the components, fundamentally avoiding damage to the port springs and solder joints by lateral forces, greatly improving the mechanical life of the interface, thereby ensuring long-term stability of data transmission and reducing the failure rate and maintenance costs of the device.

The utility model discloses a kind of multi-grade adjustment rotary switches, including base, shell cover, rotating handle and contact assembly, rotating handle rotationally arranged between base and shell cover, and drive rod extending along its radial direction is provided;Contact assembly includes the multiple elastic structure's moving contact bridge of the shaft center of rotating handle as center annularly arranged in installation cavity, and multiple static contact pieces are arranged in base and respectively opposite multiple moving contact bridges, multiple moving contact bridges are connected and respectively located on the movement path of drive rod, drive rod respectively drives multiple moving contact bridges and multiple static contact pieces contact in rotating handle rotating process, by the mechanism of the wheel contact formed by drive rod and multiple moving contact bridges, operation pressure is significantly dispersed, avoid single moving contact bridge sustained stress, greatly reduce the mechanical load and fatigue degree of moving contact bridge, reduce the probability of heating, reduce wear and risk of fusion welding, extend mechanical service life.

The application provides a dynamic walking exoskeleton control method and system based on human-computer complementary optimization, comprising the following steps: defining the step height of the contact point, the normal contact force, constructing the nonlinear complementary problem constraint and model; defining the centroid position tracking of the contact point, the centroid linear velocity tracking, the foot yaw angle alignment, the frame attitude tracking, the base quaternion derivative regularization, the contact force regularization, the joint regularization, the swing height control, the contact control regularization, 9 types of motion task quantization targets, and establishing a multi-task objective function; coupling the static nonlinear complementary problem with the exoskeleton continuous dynamics to construct a coupled system; solving the optimization objective function by using a neural dynamics algorithm to obtain the optimal control input of the exoskeleton-human system; and mapping and converting the control input obtained by optimization into the driving instructions of the robot executor to complete the motion control closed loop. The application can more accurately adapt to the complex motion requirements under the human-robot strongly coupled constraint interaction.

The hydrodynamic suspension centrifugal pump comprises a pump shell, an impeller, a hydrodynamic bearing and a motor, the impeller is contained in a pump cavity, and gaps between the impeller and the top wall of the pump cavity and between the impeller and the bottom wall of the pump cavity form an upper secondary backflow channel and a lower secondary backflow channel correspondingly; the hydrodynamic pressure bearing comprises a shaft sleeve and a cylindrical shaft rod, the shaft rod is fixed in the pump cavity in the axial direction, the shaft sleeve is fixedly embedded in a center inner hole of the impeller and arranged on the shaft rod in a sleeving mode, the shaft sleeve is in clearance fit with the shaft rod, and a gap between the shaft sleeve and the shaft rod forms a backflow path; a plurality of shaft sleeve teeth distributed in an annular array are arranged on the inner wall of the shaft sleeve, the inner side ends of the shaft sleeve teeth extend towards the shaft rod, convergence grooves are formed between the inner side ends of the shaft sleeve teeth and the outer circumferential face of the shaft rod, and the width of one end of each convergence groove is gradually increased towards the other end in the rotating direction of the impeller. According to the invention, full-liquid suspension can be realized, large external force disturbance which changes randomly can be resisted, the structure is simple, the size is small, and the manufacturing cost and the energy consumption are low.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

The utility model relates to a rocker switch, and belongs to the technical field of hardware parts. Comprising a button, a shell, a driving part and a warping plate, the middle part of the button is hinged with the middle part of the shell; the button is connected with the seesaw through the driving piece; the shell comprises a base and a shell, one side of the base is provided with a static contact pin, and the other side of the base is provided with a mounting port; the seesaw is of an L-shaped structure, the end of the L-shaped short edge of the seesaw penetrates through the mounting opening to be clamped to the exterior of the base, the L-shaped long edge of the seesaw comprises two connecting pieces, a clamping space is formed between the two connecting pieces, the two sides of the bottom of the driving part abut against the two connecting pieces, and the middle of the bottom of the driving part is located in the clamping space; grooves are formed in the two sides of the bottom of the driving piece. The groove is additionally formed in the bottom of the driving part, so that lubricating oil can infiltrate the bottom of the driving part, the abrasion resistance and lubricity between the driving part and the warping plate are enhanced, noise is reduced, and the mechanical life is prolonged.

The utility model relates to the technical field of mechanical engineering, and discloses a multifunctional elastic steel pad which comprises a nut, the top of the nut is fixedly connected with a screw, the outer portion of the screw is rotationally connected with a nut, the outer portion of the nut is rotationally connected with a buffering assembly, and the buffering assembly comprises a first gasket. The bottom of the first gasket is movably connected to the top of the nut, a first rubber pad is fixedly connected to the outer portion of the first gasket, and a spring is fixedly connected to the outer portion of the first rubber pad. According to the utility model, the rubber pad I and the rubber pad II can effectively absorb vibration generated during mechanical operation by utilizing the high elasticity and damping characteristics of the rubber pad I and the rubber pad II, avoid looseness of the nut and the screw cap due to vibration and elastic deformation of the spring when the spring is pressed, store and release energy, continuously provide buffering force and reduce rigid impact among parts; the first gasket and the second gasket enhance the structural stability, so that the buffering assembly can adapt to various working conditions, and the mechanical service life is prolonged.

This utility model relates to the field of cable technology, and in particular to a highly flexible and bend-resistant special cable, comprising a cable body, which includes, from the inside out, a conductor, an insulation layer, a shielding layer, a filler layer, and a composite sheath layer; the conductor is made of multiple strands of tinned copper wire twisted together, with the diameter of the tinned copper wire being 0.05-0.15mm; the insulation layer is made of modified silicone rubber material, with protrusions on the inner side of the insulation layer that fit into grooves on the outer surface of the conductor; the shielding layer includes an aluminum-plastic composite tape wrapping layer and a tinned copper wire braided layer, with a braiding density of ≥90%; the filler layer is made of highly elastic polyurethane foam material with a foaming density of 80-120kg / m³; the composite sheath layer is a multi-layer co-extruded structure, including, from the inside out, a nylon inner sheath layer, a glass fiber middle sheath layer, and a TPU outer sheath layer; this utility model, through structural design and optimization, exhibits excellent performance in terms of flexibility, bend resistance, anti-interference, wear resistance, and service life, meeting application requirements.

The invention provides a communication terminal structure, which comprises a terminal shell, and is characterized in that a plurality of groups of mutually independent channel units are arranged in the terminal shell; a conduction component and an elastic contact component can be embedded in each group of channel units, the conduction component comprises a fixed part matched with the terminal shell and a front end part extending into the channel units, and the elastic contact component is arranged in the terminal shell in front of the conduction component and partially extends out of the terminal shell; the front end portion of the conductive member is adjustable to achieve mutual electrical connection or mutual electrical separation with the elastic contact member. According to the communication terminal, multi-channel free configuration of the communication terminal under the same structure is realized, and universality, reliability and assembly convenience are considered.

The invention discloses a tension-adjustable winding packaging machine, and relates to the technical field of packaging machines, the tension-adjustable winding packaging machine comprises a winding packaging machine main body of a rectangular frame structure, and the top end of the winding packaging machine main body is rotatably connected with a turntable used for uniformly winding goods on a winding film through rotation; the left end of one side of the winding and packaging machine body is fixedly connected with an electric control box used for controlling various functions and parameter setting of the winding and packaging machine body, a film tightening and gap filling mechanism is arranged on the outer side of the winding arm, a double-face circle clamping mechanism is arranged below the rotating disc, a gap expanding and material uniformizing mechanism is arranged above the winding arm, and the rotating disc is arranged below the rotating disc. The stretching wheel and the ratchet plate are matched with each other, the wrapping film can be more tightly attached to a packaged object through the film tightening and gap filling mechanism, the gap between the film and the object is reduced, and therefore the compactness and stability of packaging are improved, the wrapping film is extruded inwards, the attaching process between the film and the object can be accelerated, and the time needed by packaging is shortened.

A molded case circuit breaker comprises an operating mechanism, a contact mechanism and an interlocking mechanism, an operating handle drives a moving contact to move through the operating mechanism, the interlocking mechanism comprises an interlocking piece and an interlocking spring, and the interlocking spring is used for driving the interlocking piece to lock the moving contact in a state that the moving contact cannot be in contact with a static contact. In the process that the operating handle moves from the opening position to the closing position, when the operating handle moves to the interlocking position, the operating handle or the operating mechanism drives the interlocking piece to unlock the moving contact, the operating handle is driven by the energy storage spring to move to the opening position and the closing position, and when the operating mechanism is not closed in place, the interlocking piece is driven by the energy storage spring to unlock the moving contact. According to the technical scheme, pilot connection between the moving contact and the static contact can be avoided, an operator can be helped to judge the working state of a product, misjudgment is avoided, potential safety hazards are reduced, when the operating handle moves to the action position, the closing force of the energy storage spring is larger, the moving contact can be driven to make contact with the static contact rapidly, and the rapid closing function is achieved.

The application discloses a spring operating mechanism and method for a circuit breaker, and belongs to the technical field of circuit breakers, which comprises a clamp plate type frame, an energy storage to position clutch, a closing holding and a manual closing soft interlocking device, the clamp plate type frame is fixedly connected by opposite first and second side plates through a supporting piece; an energy storage motor of an energy storage transmission device is connected with an energy storage shaft through a transmission assembly, a cam is arranged on the shaft, and an energy storage holding buckle is arranged; the energy storage to position clutch device is a one-way clutch assembly connecting the transmission assembly and the energy storage shaft; the closing holding device comprises a hinged opening release assembly, a reset elastic piece and a linked output shaft; the manual closing soft interlocking device comprises a sliding manual operating assembly, a closing trigger piece and an interlocking assembly, and is matched with the energy storage holding buckle; the problems of the existing spring operating mechanism for the circuit breaker, such as the reliability, structure, cost or precision related defects of the energy storage clutch device, the manual closing mechanical interlocking, the closing holding structure and the modular mechanism cooperation are solved.

A kind of pull wire clamp mechanism with taper lead-in and chain includes left end gear set mounting seat, right end gear set mounting seat, chain device and slidable pull wire clamp device;Left end gear set is installed in left end gear set mounting seat;Right end gear set is installed in right end gear set mounting seat;Driven chain is installed on left end gear set and right end gear set;Chain drive motor includes rotating shaft;Driving gear is installed fixed on rotating shaft;Driving chain is installed on left end gear set and driving gear;Sliding base plate is installed on slide bar;Driven chain is installed fixed to sliding base plate;Wire clamping fixed block is installed fixed on sliding base plate;Taper wire guide block is installed fixed on wire clamping fixed block, wire hole is opened in taper wire guide block, and inclined wire face is opened around wire hole.The utility model is simple to operate, accurate and rapid threading, improves work efficiency, and long service life of dirty-resistant machine can adapt to all application occasions.

According to the lightning protection relay contact structure and method, in the structure, a first moving contact fixed conductive component is movably arranged in a fixed support in a penetrating mode, a conductive connecting component is arranged at the end of the moving contact fixed conductive component, and a second moving contact fixed conductive component is connected with the conductive connecting component; the current direction in the second moving contact fixed conductive member is opposite to the current direction in the first moving contact fixed conductive member, the moving contact flexible connection member is flexibly connected to one end, far away from the conductive connection member, of the second moving contact fixed conductive member, and one end of the moving contact rotating member is connected with the moving contact flexible connection member. The moving contact rotating member extends outwards between the first moving contact fixed conductive member and the second moving contact fixed conductive member, the moving contact rotating member can rotate relative to the second moving contact fixed conductive member, and the moving contact silver point member is arranged at the other end, far away from the moving contact flexible connection member, of the moving contact rotating member. The static silver point component is arranged on the static conducting strip and is opposite to the moving contact silver point component.

The utility model discloses a good stability power grid primary and secondary fusion equipment special magnetic latching relay. Adopted technical scheme includes: base, contact system and electromagnetic system of being established in the base, the electromagnetic system includes framework, the iron core of being established in the framework, riveting armature and magnetic steel assembly of being established between the iron core two ends of the iron core, the magnetic steel assembly includes iron sheet support, two iron sheets of integrally forming in the iron sheet support and with the iron sheet support connection push piece, the left and right ends integrally formed with first pivot of iron sheet support, the lower end integrally formed with push rod, the second pivot of push rod lower end integrally formed, the rear end of push piece is equipped with the axle slot of being connected with second pivot, and the front end is equipped with the stopper, one end of axle slot is equipped with closed shaft sleeve, and the other end is equipped with open shaft sleeve, and the end of stopper is equipped with the clamping groove.

The utility model relates to the technical field of headphones, and discloses a rotary combined structure of a headphone, which comprises a fixed part, a rotary part, a gasket assembly and a fastening assembly, the fastening assembly comprises a first fastening piece and a second fastening piece which are mutually locked and matched. One end of the first fastening piece sequentially penetrates through the fixing piece, the rotating piece and the gasket assembly and then is connected with the second fastening piece. The gasket assembly at least comprises a first metal gasket, a first metal arch-shaped gasket and a second metal gasket, and the first metal arch-shaped gasket is located between the first metal gasket and the second metal gasket. The utility model has the following effects: 1, the mechanical service life of the product is prolonged; the rotating hand feeling is improved, and use is smooth.

The application discloses airtight pneumatic switch, which comprises a switch integral part, a shell covering the switch integral part, and a first sealing washer arranged between the switch integral part and the shell. The switch integral part comprises a pneumatic assembly, a push rod assembly arranged on the pneumatic assembly, and two groups of combined contacts with the same specification. The switch has long service life, high temperature resistance, convenient assembly and debugging, small size, light weight, and good circuit connection performance. The application further discloses a use method of the airtight pneumatic switch.

The protection structure comprises an inflation valve, the vacuum arc-extinguishing chamber comprises an arc-extinguishing chamber shell, a movable end cover plate, a movable conducting rod, the corrugated pipe and a conducting seat, the conducting seat comprises a medium-voltage cavity and an inflation connector, the conducting seat is fixed at the outer end of the movable end cover plate, an opening of the medium-voltage cavity faces the movable end cover plate, and the movable end cover plate is fixed on the movable end cover plate. The connection part of the conductive seat and the movable end cover plate comprises a sealing ring; the movable conducting rod penetrates through the medium-voltage cavity and the guide hole of the conducting seat, a conducting ring is arranged in an annular groove in the hole wall of the guide hole, and the inner wall of the conducting ring is in sliding contact with the movable conducting rod; the inflation connector is located on the outer wall of the conductive base and comprises an inflation hole, and the inflation valve is installed on the inflation connector. According to the utility model, the middle-pressure gas is filled into the middle-pressure cavity of the conductive seat, so that the pressure difference inside and outside the arc extinguishing chamber can be reduced. The corrugated pipe is uniform in stress, the mechanical life is prolonged, an additional static corrugated pipe does not need to be added, the structure is simplified, and the machining difficulty and cost are reduced.

The utility model provides a structure for optimizing ohmic contact on the back surface of a GaN device through a sin insertion layer, which belongs to the technical field of GaN devices, and comprises a GaN substrate and a sin layer arranged on the back surface of the GaN substrate, the sin layer is provided with a concave-convex structure, and the concave-convex structure is provided with a concave-convex groove. The GaN substrate is provided with a concave-convex structure, the concave-convex structure is specifically protrusions formed on the surface of the sin layer, the GaN substrate is further provided with a metal contact layer, the metal contact layer makes contact with the concave-convex structure, the metal contact layer is provided with structures matched with the protrusions on the surface of the sin layer, and the sin layer and the metal contact layer are physically interlocked through the concave-convex structure. According to the utility model, the peeling phenomenon of the contact layer under the condition of high temperature or high pressure is solved, and the long-term reliability of the device is improved.

The present invention discloses a multi-way intelligent distribution valve for lubricating grease filling, comprising a main valve body, on which a filling device and a position selection device are arranged; the filling device comprises a plurality of oil receiving and filling rods penetrating the main valve body, the plurality of oil receiving and filling rods are connected with a sealing ball for controlling the opening and closing of grease filling, one side of the sealing ball is connected with a reset oil inlet mechanism for resetting the sealing ball and feeding oil, and one side of the main valve body is provided with an oil delivery mechanism for delivering oil; the position selection device comprises a position selection fork, the position selection fork abuts against at least two cams, the cam drives the oil receiving and filling rod to move to control the opening and closing of grease filling, and the position selection fork is connected with a sensor driving mechanism for driving the position selection fork to move to another oil receiving and filling rod. The present invention has the following beneficial effects: the multi-way intelligent distribution valve for lubricating grease filling can realize automatic filling of different oil amounts at each point, so as to replace manual filling and extend the service life of the machinery.