30results about How to "Fall fast" patented technology

The invention relates to the technical field of defoaming stirring, and discloses a defoaming stirring barrel for flotation and a using method thereof.The defoaming stirring barrel comprises a round barrel, a mounting frame is fixedly mounted at the top of the round barrel, a driving motor is fixedly mounted at the top of the mounting frame, a rotating shaft is rotatably mounted on the mounting frame, and the rotating shaft penetrates through the mounting frame; the bottom end of the rotating shaft is rotatably connected with the inner wall of the bottom of the barrel, an output shaft of the driving motor is fixedly connected with the rotating shaft, the defoaming device further comprises a defoaming mechanism, the defoaming mechanism comprises a rectangular groove formed in the rotating shaft, and the rectangular groove is slidably sleeved with a circular sliding plate. In the rotating process of ascending and descending of the defoaming teeth, bubbles on the slurry surface and bubbles in vortexes including slurry can be effectively eliminated, the foam eliminating effect is improved, and the situation that due to the fact that the bubbles are concentrated at the vortexes and on the liquid surface, the bubbles overflow too much and concentrate is discharged out of a barrel, waste is caused, and the concentrate sinks again is avoided.

The invention belongs to the technical field of mine ventilation, and discloses a coal mine underground ventilation adjusting device which comprises a water storage box. Through cooperation of the interception assembly, the exhaust assembly and other structures, the exhaust assembly drives air in a mine and water sprayed by the water supply assembly to flow towards the side face of the filter plate and drives the spiral disc to rotate, and pulverized coal contained in the air is retained on the side face of the filter plate; a spiral disc rotates to concentrate pulverized coal and water to the middle of a filter plate and fall into a storage box, when the pulverized coal in the storage box is too much, the pulverized coal can descend, the pulverized coal is washed away by the water, a connecting rod can drive a guide ring to descend and rub the inner wall of a collecting pipe, and a mixture of the pulverized coal and the water adhered to the inner wall of the collecting pipe can also fall into the storage box. And therefore, the descending speed of the storage box is increased, the working efficiency of the device is improved, the water supply assembly can lift the two-way telescopic rod to the initial state again, and then the device can conduct pulverized coal cleaning and collecting work in a reciprocating mode.

The utility model provides a surveying and mapping geographic information data acquisition tool which comprises a moving box, a lifting assembly is arranged on the moving box, a sampling barrel is arranged on the lifting assembly, a rotating motor is fixedly arranged at the top end in the sampling barrel, a first lead screw is arranged at the output end of the rotating motor, a plurality of L-shaped plates are arranged on the first lead screw in a threaded and sleeved mode, and the L-shaped plates are connected with the lifting assembly. A plurality of sampling extending openings are formed in the sampling barrel, and a bevel gear is fixedly arranged on the screw rod I in a sleeving manner. Compared with the prior art, the soil sampling device has the following beneficial effects that a plurality of sampling extension ports are designed, so that the sampling extension ports can sample soil at different depths at the same time, the function of collecting different soil layers at the same time is achieved, and the problems of errors in soil sampling and the like are solved; and different soil layers cannot be collected at the same time, and time is wasted.

The invention relates to a knowledge base-based medical record data quality monitoring method and system, and the method comprises the steps: dividing medical record data into N medical record components, and carrying out the graph representation of the medical record components to obtain a medical record graph; assigning values to nodes in the medical record graph based on the knowledge base, wherein the values are called node vectors; and acquiring a medical record quality type corresponding to the medical record based on the node vector and the medical record graph. Quantitative calculation of the medical record quality type based on the graph is carried out under the support of the knowledge base, and the efficiency of medical record quality monitoring is greatly improved.

The utility model discloses a centrifugal extractor which comprises a filtering mechanism, a mixing box and an extractor body, and the filtering mechanism comprises a guide hopper, a mounting frame, a chute, a filter screen frame body, a filter screen and a fixed block. After the filtering mechanism is used for a period of time, when the filtering mechanism needs to be cleaned, a fixing bolt is loosened, a fixing plate box is pulled out through a handle, a filter screen frame body and a filter screen can be pulled out of a mounting frame and a fixing block together, and then the filter screen can be cleaned; during installation, the filter screen frame body can be clamped in the sliding groove only by aligning the filter screen frame body with the inserting groove in the fixing block and pushing the filter screen frame body into the installation frame, and then the fixing plate is fixed on the fixing block through the fixing bolt. And the sealing ring is compressed in the process of tightening the fixing bolt, so that a good sealing effect is achieved. According to the device, the filtering mechanism can be conveniently cleaned, and the descending speed of liquid is increased, so that the extraction efficiency is improved.

The utility model relates to the technical field of screw machining, in particular to an annealing device for screw machining. The utility model provides an annealing device for screw processing, which integrates heating and cooling. The annealing device for screw machining comprises a bin body, supports, a bin cover, a water inlet pipe and a water drainage pipe, the supports distributed left and right are fixedly connected to the bottom of the bin body, the bin cover is rotatably connected to the upper portion of the bin body, the water inlet pipe is connected and communicated to the bin body, and the water drainage pipe is connected and communicated to the bin body. By arranging a hand pull rod, a flat rack, a full gear, a ratchet wheel, a ratchet bar and the like, a bearing plate moves downwards, then a charging basket falls downwards to the lower portion in a bin body, a proper amount of water is conveyed to the lower portion in the bin body through a water inlet pipe, the charging basket is soaked in the water to cool screws, and therefore the effect of integrating heating and cooling is achieved; and over-high temperature of the screws after heating is avoided.

The invention relates to the technical field of water cooling equipment, in particular to an experimental protection device for water cooling, which comprises a shell serving as a carrier of the whole device, a conveying pipe and a flow guide pipe which are connected with an experimental machine and used for cooling are arranged on the shell, a heating part is arranged in the experimental machine, and a plurality of fans are mounted on the shell. A water pump connected with the conveying pipe and used for water circulation is fixedly installed on the shell, the conveying pipe and the flow guide pipe are connected with heat dissipation pipes on the two sides of the radiator respectively, and a heat dissipation mechanism used for absorbing heat of the heating part through water is arranged on the shell and comprises a heat conduction ring arranged on the heating part in a sleeving mode. A flow guide box and an annular pipe are fixedly connected to the upper side and the lower side in the experiment machine respectively, a heat absorption assembly used for cooling all positions of the heating part at the same time is arranged between the annular pipe and the flow guide box, and the conveying pipe and the flow guide pipe are communicated with the annular pipe and the flow guide box respectively. According to the invention, the heat dissipation area of the heating part can be enlarged, so that each position of the heating part can be effectively cooled.

The utility model relates to the technical field of pigment production, and particularly discloses feeding equipment for pigment production, which comprises a stirring box body, a stirring mechanism and a feeding mechanism, the stirring mechanism is mounted in the stirring box body and is used for stirring solid pigment raw materials; the feeding mechanism is mounted at the top of the stirring box body and comprises a feeding shell and a feeding hole; an inlet baffle is arranged at the position between the feeding port and the feeding shell, a feeding cavity in the feeding shell is communicated with the stirring box body, a sweeping motor is installed in the feeding shell, one end of an output shaft of the sweeping motor is connected with a sweeping shaft, and sweeping blades are fixedly installed on the sweeping shaft. The cleaning shaft and the cleaning blades are arranged in the feeding mechanism, and the cleaning blades can push pigment on the inner wall of the feeding shell to fall in the rotating process, so that the pigment entering the feeding shell can completely enter the stirring box body, and the proportioning of pigment raw materials can be more accurate.

The utility model discloses a production waste gas absorption device, which relates to the technical field of waste gas treatment and comprises a fixed seat, a treatment box is fixedly mounted on one side of the top surface of the fixed seat, inclined plates which are uniformly distributed are fixedly mounted on two sides in the treatment box, the number of the inclined plates is four, and the inclined plates are distributed in the treatment box in an up-and-down crossed manner; a gas inlet pipe is fixedly installed on one side of the treatment box, a positioning frame is fixedly installed on the top face, located on one side of the treatment box, of the fixing base, a water tank is fixedly installed on the top face of the positioning frame, and under the cooperation of four inclined plates and four water spraying pipes in the treatment box, the contact duration of water and waste gas is prolonged, and meanwhile the contact area of waste gas and water is increased; the problems that when a spraying device is installed on the inner top face of a treatment box to work, the falling speed of sprayed water is too high, the contact time of the water and waste gas is shortened, meanwhile, the contact area of the waste gas and the water is reduced, comprehensive and sufficient absorption of the waste gas by the water is not facilitated, and waste gas treatment is not thorough enough are solved.

The utility model discloses a sand precipitation device for sewage pretreatment. The utility model discloses a box body, both sides of the inside of box body are equipped with grating, one side of the inside of box body is equipped with conical pool, the bottom of conical pool is equipped with downspout, one side of downspout is equipped with electric valve and flow velocity detector, one side of the inside of downspout is equipped with buffer structure, the top of box body is equipped with motor no.

The invention relates to the technical field of power cabinets, in particular to a power cabinet with a self-cleaning function, which comprises a cabinet body. A cabinet door is hinged to one side of the outer wall of the cabinet body; a filter screen is arranged on the upper side wall of the cabinet body; a pair of first sliding grooves are formed in the inner side wall of the cabinet body, sliding rods are rotationally connected into the first sliding grooves, sliding blocks are arranged on the outer walls of the sliding rods, and first connecting shafts are arranged on one sides of the sliding blocks. The first rotating rod rotates synchronously, the first rotating rod drives a rotating wheel to rotate while rotating, the rotating wheel is matched with a chain to enable a rotating disc to rotate synchronously, a second gear is driven to rotate while the rotating disc rotates, and due to the fact that the second gear rotates, a first gear and a third gear are driven to conduct meshing transmission. And when the second rotating shafts rotate, a cleaning plate can be driven to sweep a filter screen.

The utility model discloses a driving rear axle lubrication structure for a light truck, which relates to the technical field of driving rear axle lubrication and comprises a differential shell, an oil injection port arranged at the upper end of the differential shell, an oil storage tank arranged at the upper end of the differential shell, an oil outlet pipe connected to the lower end of the oil storage tank, and a graduated scale fixedly arranged on the outer wall of the differential shell. A plug is arranged in the oil outlet pipe, a rotating shaft is fixedly connected to the upper end face of the plug, penetrates through the upper end of the oil storage tank and extends to the outer side of the oil storage tank, a nut is arranged at the upper end of the oil storage tank, a threaded part is arranged on the rotating shaft, and the threaded part of the rotating shaft is in threaded connection with the nut; the problems that in the prior art, if the size of an oil inlet pipe is too large, the descending speed of lubricating oil is too high, the oil inlet pipe is closed after the lubricating oil reaches a proper liquid level, and excessive lubricating oil enters a differential shell are solved.

The invention belongs to the technical field of mechanical horn manufacturing, and particularly relates to a mechanical horn shell and binding post riveting device which comprises a bottom plate, supporting columns, a top plate, an air cylinder, an upper die assembly and a lower die assembly. The lower die assembly comprises a lower die base plate, a lower die base plate, a lower die fixing plate, a lower rivet head, a positioning seat fixing plate, a positioning seat, a spring D, a supporting rod A, a spring A, a screw plug A, a discharging push rod, a spring B and a screw plug B. The air cylinder is adopted to drive the upper die assembly to descend, compared with an existing device adopting a hydraulic cylinder, the descending speed is higher, and the production takt is effectively accelerated. According to the elastic discharging structure composed of the discharging push rod, the spring B and the screw plug B, compared with an existing mold adopting a fixed beef tendon discharging block structure, a product can be smoothly separated through the elastic force of the spring B, the problems that a gap becomes large after riveting and discharging is difficult are effectively solved, the stability of the product is improved, and the service life is longer.

The reciprocating type fire grate structure for the garbage incinerator comprises a chassis, a supporting rod is fixedly installed at the top of the chassis, a first supporting plate is fixedly installed at one end of the supporting rod, a fire grate body is installed on one side of the first supporting plate through a limiting mechanism, and an installation block is fixedly installed at the bottom of the fire grate body. And a notch is formed in the surface of the mounting block, a second supporting plate is fixedly mounted on one side of the first supporting plate, and a moving block is mounted at the top of the second supporting plate through a pushing mechanism. Slow descending conveying is carried out through a slope, an electric push rod drives a push plate to move, the push plate drives a moving block to move, the moving block is attached to the inner wall of a notch, then a fire grate body can be driven to move in a reciprocating mode, the garbage descending speed can be increased through reciprocating movement of the fire grate body, and then the garbage conveying speed is increased; in this way, reciprocating motion of the multiple fire grates can be completed at the same time, and efficiency and rapidness are achieved.

The utility model belongs to the technical field of film blowing machines, and particularly relates to a heating structure for a film blowing machine, which comprises a melt pipe, an induction heating coil is arranged outside the melt pipe, an electromagnetic induction heater is arranged at the extension end of the induction heating coil, a partition plate is arranged inside the top end of the melt pipe, and the electromagnetic induction heater is arranged inside the melt pipe. A gas conveying structure is arranged at the top end of the melt pipe, a partition plate is arranged at the top end of the melt pipe, a liftable material guide pipe is inserted in the middle of the partition plate, a gas inlet pipe is arranged in the material guide pipe, and the top end of the gas inlet pipe is connected with a conveying pipe. Plastic in the feeding hopper is guided into the material melting pipe through the material guiding pipe, the air inlet pipe is arranged in the material guiding pipe and extends into the material melting pipe, air is input into the material melting pipe, the liquid plastic in the material melting pipe can be pushed downwards, the descending speed of the liquid plastic is increased, and the material supplying efficiency is improved.

The present invention belongs to the technical field of underground engineering construction, and specifically relates to a reaction force and locking system for a mud-water balanced caisson station in a soft soil area, including a reaction force truss, a jack and a locking device; the reaction force truss includes a crossbeam and a column, and the two ends of the crossbeam are respectively fixed to the two columns; the bottoms of the two columns are fixed to the ground, and the opposite sides of the two columns are provided with locking devices for cooperating with the locking piers on the side walls of the caisson section to lock the caisson section. The reaction force and locking system for a mud-water balanced caisson station in a soft soil area provided by the present invention applies a sinking force to the caisson structure and adjusts the caisson posture by arranging a jack under the reaction force truss; by arranging locking devices on both sides of the caisson section, and locking the caisson section by cooperating with the locking piers on the side walls of the caisson section, so as to facilitate the assembly and pouring of the next section of the caisson structure or monitor the current caisson section, thereby improving the construction speed of the caisson and ensuring safety.

The utility model relates to the technical field of buffering, and provides a spiral chute buffering tank which comprises two supporting frames, a tank body, a discharging pipe, a buffering plate, a material scattering assembly and a material receiving assembly, the tank body is fixedly installed between the two supporting frames, a through groove is formed in the side face of the tank body, the discharging pipe is fixedly installed at the top end of the tank body in a penetrating mode, and the buffering plate is fixedly installed at the bottom end of the tank body. The number of the buffering plates is two, the buffering plates are fixedly installed on the inner side wall of the tank body, the material scattering assembly is arranged on the tank body, a material scattering box is driven by the motor to rotate, and therefore ore in the material scattering hopper is scraped out by the scraping plate and falls into the material receiving hopper, and the material receiving assembly is arranged on the tank body. By means of the technical scheme, the problem that in the prior art, after ore is filtered through a spiral chute, due to the fact that water flow is large, ore with small mass is scoured to other places, and waste is caused is solved.

This invention discloses a self-cleaning dust filtration mechanism for cardboard processing, relating to the field of dust filtration technology in cardboard processing. It includes an adjustment unit mounted on top of a fixed frame to prevent dust overflow, and a cleaning unit that works in conjunction with the adjustment unit to periodically clean the dust inside the dust collection hopper. The top of the fixed frame is equipped with elastic ropes whose thickness changes with pulses. The dust collection hopper contains a first dust collection plate and a second dust collection plate for collecting dust. This invention utilizes a fixed rod at the top of the lifting frame that engages with the inclined groove of a rotating ring to convert displacement along the inclined groove into circumferential rotation of the rotating ring. As the rotating ring deflects, the elastic ropes are simultaneously tightened, dynamically increasing the gap between adjacent elastic ropes and providing a smooth falling channel for dust. Furthermore, the first and second dust collection plates flip from a horizontal to a vertical state, causing dust adhering to their surfaces to fall into the bottom of the dust collection hopper and be collected by an external collection system.

The invention belongs to the technical field of bridge pier construction, and particularly relates to a bridge pier climbing formwork descending protection device and a climbing protection method.The bridge pier climbing formwork descending protection device comprises a climbing frame, a hydraulic climbing formwork assembly and an anti-falling mechanism, the climbing frame is movably connected with a bridge pier through the hydraulic climbing formwork assembly, and the hydraulic climbing formwork assembly comprises a climbing oil cylinder, a reversing box and a guide rail with a notch; the guide rail is longitudinally fixed to a shear wall of a pier, the reversing boxes are installed at the two ends of the downward-climbing oil cylinder respectively, the downward-climbing oil cylinder is movably connected with the guide rail through the reversing boxes, and the anti-falling mechanism is detachably connected with the guide rail through a notch and connected with the reversing boxes in a clamped mode. The hydraulic climbing formwork has the beneficial effects that the whole climbing frame climbs down to the ground through the hydraulic climbing formwork assembly, and the safety of formwork removal construction is greatly improved.

The invention discloses a circular weaving machine thread feeding frame in the technical field of circular weaving machines, which comprises a rack, an annular framework is fixedly arranged on the rack, a plurality of rotating handles are uniformly, coaxially and rotatably connected to the framework along the circumferential direction, and a plurality of thread feeding rods are uniformly and fixedly arranged on each rotating handle at intervals; the connecting rings abut against the bottoms of the rotating handles, and an air cylinder for driving the connecting rings to move up and down is fixedly arranged on the rack. Compared with the prior art, the yarn feeding rods do not shake by self deformation, and the up-down shaking amplitudes of all the yarn feeding rods are the same, so that the tensity of yarns is uniform, the surface of a woven product is ensured not to have wrinkles, and the quality of the woven product is improved.

The utility model discloses a quick cooling device for a quartz crucible, which relates to the technical field of quartz crucible cooling and comprises a jacketed kettle, a clamp is arranged at the bottom of the inner side of the jacketed kettle, the quartz crucible is clamped at the top of the clamp, a water return pipe penetrates through the top end of the jacketed kettle, and a turning plate is arranged at the top of the jacketed kettle. A turning plate is arranged in the jacketed pot, a rotary pipe is embedded in the turning plate, the area, except the rotary pipe, in the turning plate is filled with fine sand, an annular pipe is embedded in the inner wall of the jacketed pot, a bent pipe penetrates through the bottom end of the annular pipe, a vertical pipe is arranged at the bottom of the bent pipe, an interlayer is fixedly connected to the bottom end of the jacketed pot, and a bottom cylinder is fixedly connected to the bottom end of the interlayer. By arranging a series of structures, the cooling speed of the whole temperature of the crucible can be increased, so that the crucible can be quickly cooled, the volume of normal-temperature cold water required by the device is reduced, water resources consumed by the cooling device are saved, and the cooling device is more energy-saving and environment-friendly.

The utility model discloses an intelligent plunger drainage gas production device, and relates to the technical field of gas field production. The device comprises a plunger moving assembly, a drainage assembly is installed on the outer side of the bottom of the plunger moving assembly, the plunger moving assembly comprises an electricity storage module, a righting module and a buffering module, the top of the electricity storage module is fixedly connected with the righting module, and the top of the righting module is fixedly connected with the buffering module. Through the intelligent design, the effects of accurate metering, high efficiency, stability, reliability, durability, high automation procedure and the like can be achieved, so that the working efficiency of water drainage and gas production can be improved, meanwhile, the descending speed of the plunger on the inner side of a pipeline can be increased, meanwhile, the liquid in the pipeline can be supported when the plunger ascends, and the safety of water drainage and gas production is improved. And the liquid is driven to be discharged to the outer side of the pipeline, so that the working efficiency of the whole drainage and gas recovery work on the inner side of the pipeline is improved.

The application discloses a rotating shaft assembly and a clothes processing device. The rotating shaft assembly comprises a first rotating shaft, a second rotating shaft and a spring piece. The first rotating shaft is connected with a machine body, the second rotating shaft is connected with a door body, the second rotating shaft is located on one side of the first rotating shaft in the axial direction and coaxially arranged with the first rotating shaft, and the first rotating shaft is rotationally connected with the second rotating shaft. The spring piece is sleeved on the first rotating shaft and the second rotating shaft, one end of the spring piece is connected with the first rotating shaft, and the other end of the spring piece is connected with the second rotating shaft. The first rotating shaft and the second rotating shaft are arranged along the axial direction of the rotating shaft assembly, and the spring piece is sleeved on the first rotating shaft and the second rotating shaft. The spring piece has a longer axial length, the force acting on the spring piece can be transmitted to a farther position away from the connecting position of the spring piece and the first rotating shaft / second rotating shaft, the deformation of a single coil of the spring piece is smaller, the service life of the spring piece can be prolonged, and the spring piece can be prevented from being frequently in a high-strength deformation state and thus prematurely failing.

The invention relates to the technical field of sewage treatment, in particular to a self-adjusting water purification control system, comprising: a sedimentation unit for performing gravity sedimentation on settleable suspended matters and comprising a sedimentation tank, a water inlet assembly, a water discharge assembly and a turbidity meter probe; the air flotation unit is used for carrying out air flotation on the non-settleable suspended matters to the surface of the sewage subjected to air flotation, and comprises an air flotation tank, an aeration assembly, a fishing assembly and a non-settleable suspended matter detection assembly; the control unit is used for determining the type of the suspended matter according to the turbidity of the suspended matter in the sedimentation tank, respectively determining an air flotation mode and a sedimentation mode, and determining the vertical advancing speed of the salvage assembly; wherein the air floatation mode is to determine the salvage depth of the scraper blade; the sedimentation mode is to adjust the volume of clear water discharged into the sedimentation tank. The salvage effectiveness and the air floatation efficiency are improved.

The utility model relates to an illuminating lamp holder convenient for climbing maintenance, which comprises a bottom box, a lifting box and a top box, a support frame is arranged at the bottom of the bottom box, a motor is arranged at the top of the support frame, the motor is connected with a worm, a rotating shaft is arranged on the support frame in a penetrating manner, a worm gear meshed with the worm is arranged on the rotating shaft, two ends of the rotating shaft are provided with rolling wheels, and hollow columns are arranged on two sides of the top of the bottom box in a penetrating manner. Wheel grooves are formed in the positions, close to the tops, of the hollow columns, wire groove wheels are arranged in the wheel grooves, sliding sleeves are arranged on the two sides of the lifting box, the hollow columns are sleeved with the sliding sleeves, mooring ropes are connected to the two sides of the top of the lifting box, the two mooring ropes are wound around the two wire groove wheels correspondingly to be connected to the rolling wheels, and the bottom of the top box is connected to the tops of the two hollow columns correspondingly. A telescopic mechanism is arranged on the top box and connected with lighting equipment. Maintenance personnel can be driven to ascend to a high position to maintain the lighting equipment, the lighting equipment can be moved back to be close to the maintenance personnel during maintenance so that maintenance operation can be facilitated, and the lighting equipment can be unfolded after maintenance is completed so that the lighting effect can be improved.

The invention discloses an engine rotating speed control method and device for an extended-range hybrid vehicle, and the method comprises the steps: obtaining the rechargeable power of a battery pack in the vehicle, and taking a part of the rechargeable power of the battery pack as reserved basic power; the heating power of a heating film of the battery pack is obtained, and the reserved power is determined according to the reserved basic power and the heating power; and after the accelerator is loosened under the high-power driving working condition, the engine is requested to reduce the torque, and the generator generates negative torque through reserved power, so that the rotating speed of the engine is reduced. The problem that in the prior art, under the working condition that the charging and discharging power of a battery pack is extremely low, the accelerator loosening range extender flies at a high rotating speed after a driver drives with a large accelerator is solved.

The invention relates to a pill dropping machine capable of uniformly forming dropping pills and a control method thereof, and the pill dropping machine comprises a material storage tank for storing pill dropping agents; the drip irrigation system is connected to the storage tank, the drip irrigation system comprises a water dropper and a rotating motor, and the rotating motor drives the water dropper to rotate; the cooling tank is arranged below the water dropper, an air inlet hole and an air outlet hole are formed in the upper part of the cooling tank, a circle of air inlet ring is arranged at the position, corresponding to the air inlet hole, of the inner wall of the cooling tank, the air inlet ring is communicated and connected with the air inlet hole, a plurality of air spraying holes are formed in the bottom of the air inlet ring, and the air spraying holes are communicated with the air outlet hole. The air injection direction of the air injection hole faces the lower part of the cooling tank, and the air inlet hole is connected to a corresponding air pump; and the control system is used for controlling the rotating speed of the rotating motor when the pill dropping agent is output from the spray hole, so that the pill dropping agent is separated from the spray hole under the action of centrifugal force, and is also used for controlling the flow speed of the air pump and pushing the pill dropping agent separated from the spray hole downwards.

The utility model relates to the technical field of blanking device anti-blocking, in particular to a rotary blanking device anti-blocking device which comprises a machine tail scraper-trough conveyer, an anti-sticking plate, a supporting frame, a supporting rod, a fixing plate, a spring, an elastic plate, a disc, a connecting port, a telescopic shaft, a vibrating motor, an extension plate, a telescopic column, a telescopic sleeve, an anti-sticking layer, a waterproof layer, an anti-corrosion layer, a supporting layer and a sticking layer. When the anti-blocking device of the rotary discharger is used, the included angle between the tail scraper-trough conveyer and the horizontal plane is 60 degrees, so that the descending speed of slag is higher, the slag cannot be stuck on the anti-sticking layer when passing through the anti-sticking layer, and the slag is prevented from being stuck on the anti-sticking layer through the operation of the vibrating motor. Under the combined action of the vibrating motor, the telescopic shaft, the disc, the elastic plate, the spring and the fixing plate, slag adhered to the inner wall of the tail scraper-trough conveyer can be vibrated down, through the design, the rotary feeder is prevented from being blocked, the production efficiency is improved, manual sweeping is also avoided, and the production safety is improved.

The invention discloses a push shovel control method and system suitable for a backfill compactor, and belongs to the field of engineering machinery, the system comprises a controller, an electric proportional load sensitive multi-way valve, a handle, a push shovel, a push shovel oil cylinder, a displacement sensor and a working pump; the electric proportional load sensitive multi-way valve is connected with the working pump and is used for receiving an oil source provided by the working pump; the electric proportional load sensitive multi-way valve is respectively connected with a small cavity and a large cavity of the push shovel oil cylinder through an oil port A and an oil port B, and is connected with the oil tank through an oil return port T1; the controller is electrically connected with the electric proportional load sensitive multi-way valve, the handle and the displacement sensor and used for receiving a handle signal, a handle stroke value, a shovel pushing oil cylinder displacement signal and a real-time current signal of the electric proportional load sensitive multi-way valve. And the push shovel is controlled to ascend, descend and float. The valve position and the opening degree of the proportional valve can be efficiently controlled and adjusted, so that the push shovel can be adaptively controlled to ascend, descend, speed and buffer according to working conditions, and the construction efficiency is improved.

The utility model discloses a quick release valve with a buffering function. The problems that an existing loader movable arm is low in descending speed, low in operation efficiency and capable of shaking are solved. The oil return valve comprises a valve body, and the valve body is provided with a containing cavity, an oil return opening, a first oil opening connected with a large cavity of a movable arm and a second oil opening connected with a small cavity of the movable arm. The valve element is arranged in the containing cavity of the valve body and divides the containing cavity into a spring cavity and a control cavity. The valve element is provided with a first closed position, a second opened position enabling the first oil port to be communicated with the oil return port through the buffer throttling groove for oil return and a third opened position enabling the first oil port and the second oil port to be connected with the oil return port. The first elastic piece is arranged in the spring cavity, abuts against the valve element and is provided with a first position for driving the valve element to tend to be closed. The utility model also has the advantages of simple structure, convenience in assembly, reliable action, long service life and the like.