275 results about "Pneumatic motor" patented technology

The invention discloses grinding and polishing equipment for the inner wall of a pipe workpiece. The grinding and polishing equipment comprises a rack, a workpiece rotating and supporting mechanism, a grinding mechanism, a radial feeding mechanism, an axial moving mechanism, a workpiece stabilizing mechanism and an electric control system. The grinding assembly is a flexible grinding wheel formed by splicing a plurality of arc-shaped grinding pieces, a pneumatic motor drives the flexible grinding wheel to rotate at a high speed to serve as main cutting motion, constant-pressure contact control is achieved through a radial feeding mechanism, abrasion of the grinding wheel can be compensated in a self-adaptive mode through the control mode, and it is guaranteed that the grinding pressure is stable; therefore, the reference size of the workpiece is protected to the maximum extent while the defects of the inner wall are effectively removed, the problem of size out-of-tolerance caused by uneven pressure or abrasion in traditional rigid grinding is avoided, constant-pressure, efficient and high-quality grinding is guaranteed, and the grinding and polishing efficiency and quality of the inner wall of the pipe workpiece are effectively improved.

The passenger car pneumatic motor system comprises an air compressor, an air storage tank and an air using module, the air compressor is connected with the air storage tank and the air using module through a distribution valve set and supplies air to the air storage tank and the air using module, a distribution valve is connected with a plurality of pneumatic motors, and the pneumatic motors are used for driving a vehicle-mounted execution module to work. A power source used for driving the executing mechanism to operate is replaced by the pneumatic motor from a common electric motor, the vehicle-mounted air supply unit is used for supplying air to the pneumatic motor, on one hand, compared with the electric motor, the pneumatic motor can achieve system control through a simple flow control valve, a complex electronic control system does not need to be arranged, and the cost is reduced. The structure is simpler, the subsequent maintenance cost is lower, the purchase cost is also reduced compared with that of an electric motor, the cost for operating the execution unit can be effectively reduced, and the requirement for light weight of the vehicle is better met; and on the other hand, the multiple executing mechanisms can share one gas supply unit, the utilization rate of the gas supply unit is increased, and the applicability is high.

The utility model discloses a cattle driving device and a pneumatic system thereof. The pneumatic system of the cow driving device comprises an air source assembly, an air control assembly, a reversing valve, a three-way air control valve, at least one air cylinder and a pneumatic motor. A first air outlet of the reversing valve is communicated with a forward rotation port of the pneumatic motor; a second air outlet of the reversing valve is communicated with a reversing port of the pneumatic motor; an air outlet of the three-way pneumatic control valve is communicated with a working port of each air cylinder; the pneumatic motor can be in transmission connection with a frame of the cattle driving device; each cylinder can be in transmission connection with an overhead door of the cattle driving device; and the pneumatic control assembly can control the actuating mechanism of the reversing valve and the actuating mechanism of the three-way pneumatic control valve to act so as to open or close the first passage or the second passage of the reversing valve and open or close the first passage or the second passage of the three-way reversing valve. According to the pneumatic system of the cattle driving device, pure pneumatic control of the cattle driving device is achieved, and the cattle herd safety problem caused by power failure, electric leakage and the like can be effectively avoided.

A surgical robot positionable inside a magnetic resonance imaging system configured to capture patient-specific anatomy images. The surgical robot includes an outer arc structure with a first semi-arc shape having a first slide carriage, an inner arc structure with a second semi-arc shape having a second slide carriage, a needle assembly guide attached to the first slide carriage and the second slide carriage, the needle assembly driver capable of holding, advancing, withdrawing, and rotating the needle assembly, an imaging coil with a third semi-arc shape positioned below the needle assembly guide, and one or more pneumatic motors coupled to the outer arc structure and the inner arc structure and configured to respectively impart movement to the first semi-arc shape, the second semi-arch shape, the first slide carriage, the second slide carriage, and the needle assembly driver.

The utility model discloses a black-start pump skid for a marine generator set, and relates to the technical field of auxiliary starting of generator sets. A pneumatic pipeline is arranged on one side of the top end of the base and comprises an electromagnetic valve, a pump unit is arranged at the top end of the base and comprises a pneumatic motor and a pump body, the electromagnetic valve is connected with the pneumatic motor, and a medium conveying pipeline is arranged on the side, away from the pneumatic pipeline, of the top end of the base. And the pneumatic motor is used for driving the pump body to convey a medium in the medium conveying pipeline. Air in the air bottle of the ship body is processed through the pneumatic pipeline and connected with the pneumatic motor, pressure energy of compressed air is converted into mechanical energy through the pneumatic motor, the mechanical energy is supplied to the pump body connected with the pneumatic motor, and the pump body obtains power to drive media in the medium conveying pipeline connected with the pump body. Therefore, the purpose of stably conveying power fuel oil to the generator is achieved.

The utility model discloses a melt extrusion product pneumatic full-fitting change polishing device which comprises polishing equipment, the bottom of the polishing equipment is installed on the surface of a transmission gear, a limiting track is arranged on the inner side of the transmission gear, and meanwhile the bottom of the limiting track is fixedly arranged on the surface of a product polishing table. A pneumatic motor is fixedly connected to the bottom of the product grinding table in a threaded mode, an output shaft of the pneumatic motor is fixedly connected with a driving gear, and the driving gear is movably installed in a containing hole formed in the surface of the product grinding table. According to the pneumatic full-lamination variable polishing device for the melt extrusion product, polishing equipment rotates, and 360-degree polishing work is conducted on a spherical product through a full-lamination polishing base; the full-fitting polishing seat is matched with the spherical injection molding part in appearance and can be well fitted with the surface of a product; and when circular motion grinding is carried out, it can be guaranteed that the grinding strength and angle of all points on the surface of a product are relatively uniform, and therefore high-precision grinding is achieved.

This invention relates to the field of nuclear power plant maintenance equipment, and more particularly to a pneumatic wrench for rotating the main nut in a pressurized water reactor nuclear power plant. The pneumatic wrench includes: a guide rod connected to the lower end of a first sleeve; a second sleeve mounted on the outer surface of the guide rod's side end, with a third sleeve connected to its lower end; a fixing plate connected to the outer surface of the second sleeve's side end, with a small gear and a transition gear mounted on the upper part of the fixing plate, a pneumatic motor connected to the upper end of the small gear, a large gear ring on one side of the transition gear, a sleeve connected to the lower end of the large gear ring, a bearing installed at the connection between the sleeve and the second sleeve, an inner liner inside the sleeve, a limit block connected to the side end of the inner liner, a groove formed at the connection between the limit block and the large gear ring, a main nut inside the limit block, a main bolt inside the main nut, and a connecting seat connected to the upper end of the main bolt; a connecting plate connected to the outer surface of the first sleeve's side end, with pins installed on the connecting seat and the connecting plate. This invention can disassemble and assemble various types of nuts, and has a wide range of applications.

The invention relates to the technical field of gluing, in particular to gluing equipment. Comprising a pneumatic elevator, a mounting frame, a pneumatic motor, an air source treatment part, an air source control module, a lower pump body, a pump body heating module and an electric heating pressure plate, glue is heated to a certain temperature through heat energy, so that the physical property of the glue is changed, a better gluing effect is achieved, specifically, the viscosity of the glue can be reduced through heating, and the glue coating efficiency is improved. In addition, heating can enable a solvent in the glue to volatilize more quickly, so that solid glue is formed more quickly, and the problems that most of existing glue coating equipment directly pumps and conveys the glue through a pump and then performs glue coating operation, but the glue coating effect is poor, and the glue coating efficiency is poor are solved. And the time for forming the solid gum from the gum solution is relatively long.

The invention relates to a high-temperature-resistant fireproof pipe which comprises a pipe body and a controller, a temperature sensor is arranged in the pipe wall of the pipe body, supports are oppositely arranged at the two ends of the pipe body, a reciprocating lead screw is rotationally arranged between the supports, the reciprocating lead screw is sleeved with a lead screw sleeve in a threaded mode, the lead screw sleeve is rotationally sleeved with a fixing sleeve, and a pneumatic motor is arranged on the fixing sleeve. The air inlet end of the pneumatic motor is connected with a high-pressure air supply component, the pneumatic motor is connected to the lead screw sleeve in a driving mode, the fixing sleeve is connected with a sleeve, the sleeve is arranged on the pipe body in a sleeving mode, end covers are arranged on the two sides of the sleeve and slidably arranged on the pipe body in a sleeving mode, annular cavities are formed in the end walls of the end covers, and a plurality of flow dividing holes are formed in the side walls, close to the sleeve, of the annular cavities. One annular cavity is connected to the exhaust end of the pneumatic motor through a first air inlet pipe, the other annular cavity is connected with an exhaust pipe, and the controller is electrically connected to the temperature sensor and the high-pressure air supply component. Effective fire prevention measures can be taken on the pipeline, so that the probability of fire disasters caused by overheating of the pipeline is reduced, and the use safety of the pipeline is improved.

The utility model relates to the field of coal mine equipment, and discloses a coal mine pneumatic inhibition pump which comprises an installation frame, a pneumatic motor is fixedly installed in the installation frame, the output end of the pneumatic motor is fixedly connected with the input end of a reduction gearbox, and the output end of the reduction gearbox is fixedly connected with one end of a hydraulic pump. According to the structure, the pneumatic motor driven in a pneumatic mode is adopted for conveying the stopping agent, and the stopping agent conveying device is safer and more convenient to use.

The invention discloses a mining air duct diverter driven by a pneumatic motor, and relates to a device for changing the air flow direction and controlling the air volume when a fan supplies air to a driving working face when a coal mine drives a roadway, and at present, two methods for changing the direction of an air outlet of an air duct are provided: one is manual operation which is inconvenient and unsafe; 2, an air duct gate is driven to open and close through a motor, and the method has unsafe risks such as electric leakage and explosion; therefore, the air distributor device which is driven by the pneumatic motor and is used for controlling the air flow direction and the air volume is manufactured, and the air distributor device is safe and convenient.

The invention discloses a curing forming device for water permeable brick processing and a using method thereof. The curing forming device comprises a rack, a conveying belt is installed in the upper end of the rack, a conveying motor is installed on one side wall of the rack, a bottom plate is placed on the conveying belt, and magnetic columns are fixed to the four corners of the upper end of the bottom plate. The device has the beneficial effects that an original group of vibration mechanisms is designed into six groups of split type vibration mechanisms, high-pressure gas generated by the gas pump acts on the pneumatic motor through the shunt pipe and the branch pipe in the process of vibrating, compacting, curing and forming the water-permeable bricks, and the electric flow regulating valve can enable the gas quantity acting on the pneumatic motor to be consistent, so that the water-permeable bricks are compacted and cured. The pneumatic motor drives the eccentric block on the rotating shaft to rotate, so that vibration force is generated to perform vibration compaction curing forming on the materials in the mold cavities, the vibration force applied to the materials in each group of mold cavities can be consistent, the curing forming effect of the water-permeable brick is ensured, and the water-permeable brick has high use performance.

An opening indicator for a gear type pneumatic motor actuating mechanism comprises an actuator sleeve, the actuator sleeve comprises a linkage portion, one end of the linkage portion is in linkage with a valve so that the actuator sleeve can drive the valve to be opened and closed when rotating, and the actuator sleeve further comprises an indicating portion rotating along with the linkage portion. A position feedback device is arranged on the indicating part and comprises an indicating assembly which moves up and down along the indicating part along with rotation of the indicating part, and the distance of the indicating assembly moving up and down along the indicating part corresponds to the number of valve stroke turns. The opening indicator for the gear type pneumatic motor actuating mechanism has the advantages that the position feedback device is integrated on the indicating portion of the actuator sleeve, and accurate monitoring of the opening and closing degree of a valve is achieved.

The invention discloses a rotary piston type pneumatic motor, relates to the technical field of pneumatic motors, and solves the problems that an existing pneumatic motor is complex in structure, large in size, heavy in weight and high in price, the rotary piston type pneumatic motor comprises an air cylinder shell, a main shaft and a blade rotor body, and the main shaft is rotationally installed in the air cylinder shell; the blade rotor body is arranged in the cylinder shell and is rotationally mounted on the eccentric shaft part of the main shaft through a sleeve; the sleeve, the gear shaft and the blade rotor body are in key connection; the blade rotor body is located at the eccentric position of the main shaft, the blade rotor body is driven by an external gas path to rotate in the air cylinder shell, specifically, gas is introduced into the air cylinder shell through the gas path to drive the blade rotor body to rotate, and the internal gas inlet, gas compression and gas exhaust processes are achieved based on the size change of a cavity space formed between the eccentric rotary piston and the cylinder body; and the main shaft is driven to rotate through a gear transmission structure, so that power output is realized.

A wind-based power generation system including a base, a plurality of towers including a plurality of turbines, at least one pneumatic pump, at least one pneumatic motor, at least one pneumatic generator, an air storage chamber, and a tail component. The wind-based power generation system receives wind via the plurality of turbines and transmit the airflow to pneumatic pumps and motors to power a generator.

The invention discloses a pneumatic motor operation monitoring method and system suitable for machining, and relates to the technical field of pneumatic motor operation monitoring. According to the pneumatic motor operation monitoring method and system suitable for machining, by arranging the sensor module, the operation data acquisition module, the operation data analysis module, the early warning module and the remote monitoring module, the abnormal operation index of the pneumatic motor is calculated, and the abnormal operation degree of the pneumatic motor is evaluated; the abnormal degree of the pneumatic motor can be quantitatively evaluated, operation data of the pneumatic motor can be monitored in real time, early warning can be carried out, potential problems can be found in time, the fault risk is reduced, early warning information can be received for automatic control, corresponding measures can be taken in time, the risk of production interruption is reduced, and the production efficiency is improved through real-time monitoring and early warning. Downtime caused by mechanical faults can be reduced, the production efficiency and the equipment utilization rate are improved, and the maintenance cost is reduced.

The utility model belongs to the technical field of chemical reaction devices, and particularly discloses a high-temperature and high-pressure reaction kettle with a stirring function, which comprises a kettle body, a pneumatic stirring mechanism, an air inlet pipeline, a light phase discharge pipeline and a pressure measuring device, the stirring connecting rod penetrates through the kettle body, one end of the stirring connecting rod extends out of the kettle body and is connected with the pneumatic motor, the stirring blade is arranged on the stirring connecting rod in the kettle body, and a sealing structure is arranged at the bottom of the pneumatic motor. According to the reaction kettle, the pneumatic motor is used for replacing mechanical stirring, stepless speed change can be achieved, the stirring speed is relatively stable through pressure regulation, the sealing cooling sleeve and the sealing flange plate which are integrally formed with the pneumatic motor are adopted, and the sealing graphite ring is arranged in the sealing cooling sleeve; the octagonal gasket is additionally arranged between the sealing flange plate and the fixed flange plate at the top of the kettle body for sealing and is fastened through the bolt, so that the pressure resistance of the reaction kettle is improved.

The utility model relates to the technical field of oil field operation equipment, in particular to an intelligent oil coating device which comprises a support, a group of guide rods which are horizontally arranged in a sliding mode are connected above the support in a sliding mode, an air cylinder seat is arranged at the rear ends of the guide rods, a first air cylinder is arranged on the air cylinder seat, and the telescopic end of the first air cylinder is connected with the support. A baffle disc is arranged at the front end of the guide rod, an oil filling pipe which is horizontally arranged is rotationally connected to the baffle disc, and a pneumatic motor for driving the oil filling pipe to rotate is connected to the rear end of the baffle disc through a hanging bracket; the rear end of the oil injection pipe is connected with a swivel joint, the front end of the oil injection pipe is plugged, and a group of brushes and a group of oil outlet holes are arranged on the portion, located on the front side of the baffle disc, of the pipe wall of the oil injection pipe. According to the device, oil coating operation is conducted in a mechanical mode, the oil coating amount can be accurately controlled, the inner side face of the hoop is coated more evenly, and the efficiency is higher compared with manual operation.

The utility model discloses a workpiece thread detection device, which comprises a detection table, a rotating shaft, a pneumatic motor, an inductor and a controller, the detection table is provided with a shaft hole matched with the rotating shaft, the rotating shaft is vertically arranged in the shaft hole, the top of the rotating shaft is connected with a connecting rod through a chuck, and the top of the connecting rod is fixedly provided with a thread go gauge. The pneumatic motor is arranged at the bottom of the detection table, the pneumatic motor is connected with the rotating shaft through a transmission assembly to drive the rotating shaft to rotate, the pneumatic motor is communicated with an air source through an electromagnetic valve, and the inductor is arranged on the table top of the detection table through a fixing frame and matched with the thread go gauge. The position of the sensing end of the sensor is lower than the bottom surface of the thread go gauge, and the control end of the sensor and the control end of the electromagnetic valve are both connected with the controller. According to the utility model, the rapid detection of the workpiece can be realized through the device, the thread go gauge does not need to be rotated manually, the operation is labor-saving, and the detection efficiency is high.

The utility model discloses a numerical control lathe quick polishing frock relates to polishing frock technical field, including numerical control lathe, the chuck of numerical control lathe is provided with clamp mechanism, the tool rest sliding seat of numerical control lathe is hinged to have the drag board, the top of drag board is provided with first polishing mechanism and second polishing mechanism, first polishing mechanism includes fixed base, the top of drag board is hinged with fixed base, this device drives chuck to rotate with the workpiece through numerical control lathe, utilizes motor to drive driving wheel rotation, and driving wheel drives abrasive belt to polish the outer cylindrical surface of workpiece through the cooperation of driven pulley, and then utilizes pneumatic motor to drive polishing rod to polish the end surface of workpiece, has realized to the efficient polishing of workpiece outer cylindrical surface and end surface, has improved polishing precision and product qualification rate significantly, reduces the labor intensity simultaneously, avoids the problem that the labor intensity is big, and precision is difficult to control in traditional manual polishing.

The utility model belongs to the technical field of instruments and meters, and relates to a pneumatic motor actuating mechanism which comprises a box body, a driving gear set and a transmission output assembly are rotatably arranged in the box body, and the driving gear set can drive the transmission output assembly. The box body is provided with a pneumatic module and a manual assembly in a matched mode, and the pneumatic module and the manual assembly can respectively drive the driving gear set to rotate. A manual and automatic clutch is arranged on a box cover of the box body and can adjust the axial position of a first-stage driven bevel gear of the driving gear set so that a first driven bevel gear constructed at the upper end of the first-stage driven bevel gear can be meshed with a first-stage driving bevel gear connected with the output end of the pneumatic module. The actuating mechanism is simple and reasonable in structure, safe and reliable to operate and capable of improving undesirable phenomena such as unsmooth action or action dead points; clutch switching is achieved through the manual and automatic clutch, and automatic operation and manual operation do not affect each other.

The invention relates to an actuator (1) in automation technology for actuating a fitting such as a slider or a valve in a pipeline, comprising: a motor (10) such as an electric motor or a fluid motor such as a pneumatic motor or hydraulic motor; a transmission (20); an output (30) having an actuating element (31); an electronic operating circuit (40) for operating the motor; a communication device (50) for wired communication with electronic devices of a network (100), characterized in that the communication device (50) is designed to check a status and / or a property of a connecting line (101) of the network (100) for electrical or optical data transmission or to provide measured values of relevant measurement variables.

This invention relates to an integrated gas-liquid separation pulsed negative pressure system for biopsy and transport, comprising a front-end puncture assembly, a mid-end collection and filtration assembly, and a rear-end pulsed negative pressure power assembly. The front-end puncture assembly includes a hollow puncture needle and a hollow handle, with a standard negative pressure interface at the tail of the handle. The mid-end collection and filtration assembly is primarily a collection bottle, with a liquid and air inlet and a negative pressure suction port at the top. Inside the collection bottle is a central interception filter for intercepting solid tumor tissue, below which is a waste liquid sedimentation zone for blood / exudate. The rear-end pulsed negative pressure power assembly is primarily a high-frequency pulsed pneumatic motor connected to the negative pressure suction port. This invention achieves precise two-handed manipulation, stable triggering, pulsed negative pressure separation sampling, efficient specimen collection, and direct transport for testing.

The utility model relates to the technical field of pneumatic comfort systems, in particular to a pneumatic massage system and a seat. The pneumatic massage system comprises an air source, a massage device and a control valve; the gas source is used for outputting positive pressure gas; the massage device comprises a telescopic air bag and a massage assembly, the massage assembly is arranged at one end of the telescopic air bag and comprises a pneumatic motor and a massage head, the massage head is arranged on an output shaft of the pneumatic motor, and the pneumatic motor is used for driving the massage head to rotate; the control valve enables the air source to be in fluid communication with the telescopic air bag and the pneumatic motor and is used for controlling connection and disconnection of air channels among the air source, the telescopic air bag and the pneumatic motor. According to the pneumatic massage system, the pneumatic motor drives the massage head to rotate so as to achieve massage, massage can be achieved, the pneumatic massage system can be driven through the air source, and the air source utilization rate is increased. And the pneumatic motor and the telescopic air bag share the same air source, so that the cost of the pneumatic massage system is reduced.

The utility model discloses a special rail for quickly positioning a bogie. The special rail comprises a main rail, a pneumatic motor and a rail changing structure in the main rail, the rail changing structure comprises a displacement rail, a turbine, a mounting seat, a connecting shaft rod, a worm and a positioning seat; a shaft body of the displacement rail is provided with a V face and a plane, a turbine is arranged at one end of the displacement rail, a mounting seat is sleeved on the outer side of the turbine, and a positioning seat is fixedly arranged at the other end of the displacement rail. The outer end of the connecting shaft rod is connected with the pneumatic motor, the worm is arranged on the connecting shaft rod in a sleeving mode and integrally penetrates into the inner side of the mounting base, and the worm is meshed with the turbine. The trafficability is guaranteed, and flexible switching between a V-shaped positioning mode and a plane passing mode is guaranteed through the rail switching structure. The device basically does not occupy space, and only occupies the position of an original track while ensuring functions. According to the utility model, the structure is simplified, and the simplest V-shaped positioning design is adopted and fused into the main rail, so that the two rails are finally simplified.

The utility model relates to the technical field of gantry reciprocating car washers, in particular to a hub brush structure of a gantry reciprocating car washer, which comprises a hub brush mounting frame, a double-rod double-shaft cylinder is mounted on the surface of the bottom of the hub brush mounting frame, and two cylinder telescopic rods are mounted in the double-rod double-shaft cylinder. A connecting plate is arranged on one side of a telescopic rod of the air cylinder; a pneumatic motor is mounted on the surface of the bottom of the connecting plate, and a brush disc is arranged on one side of the pneumatic motor. The weight of the hub brush in the prior art is 1 / 3 of the weight of the hub brush, a heavy motor and a heavy speed reducer in the prior art are replaced by the light pneumatic motor, the motor in the prior art can be burnt out in a humid environment, but the situation that the motor is burnt out in the humid environment cannot occur by the pneumatic motor adopted in the hub brush; meanwhile, the hub brush is light, and the double-rod double-shaft air cylinder can be used for replacing a slideway and a pulley which are complex in structure in the prior art, so that the hub brush is convenient to use.

The utility model relates to a polishing machine, in particular to a small pneumatic polishing machine. Comprising a fixing seat, an extension column is fixedly connected to the position, close to one side, of the upper side wall of the fixing seat, a pneumatic motor is fixedly installed on the upper side wall of the extension column, an output shaft of the pneumatic motor sequentially penetrates through the extension column and the fixing seat and is coaxially and fixedly connected with a driving wheel, and a polishing assembly is arranged on the driving wheel. After the mounting frame is fixed on the vertical frame of the vertical machine tool, an operator twists the worm wheel to drive the worm wheel and the second gear to rotate, so that the second gear drives the first gear to rotate, and the connecting rod and the sliding sleeve vertically move along the side wall of the vertical plate through meshing transmission of the first gear and the rack; the movable connecting rod drives the fixing base and the polishing assembly to integrally and vertically move, so that the height of the abrasive belt is adjusted, the pneumatic polishing machine can comprehensively polish the side face of a workpiece placed on the operation table, and the polishing effect of the polishing machine is improved.

Automatic train coupling, in particular for freight wagons of a rail-bound vehicle, having a coupling head (1) comprising a coupling head housing (2) and a coupling lock (3) with a locking mechanism, wherein the coupling lock is embodied as a rotary lock with a coupling ring (5) and a central part (6), wherein the central part is rotatable about a main axis (7) between a coupled position and a decoupled position, the coupling ring is rotatably coupled to the central part about a coupling ring axis (8) with a first end (5.1) and has a free second end (5.2), and the central part has a recess (9) arranged for accommodating the second end of the coupling ring of an opposing coupling head; the automatic train coupling further has a decoupling device (11) which is electrically, hydraulically or pneumatically actuated, comprising an electric, hydraulic or pneumatic motor which is at least indirectly coupled to the central part via a transmission connection in order to rotate the central part from the coupled position into the decoupled position, wherein the decoupling device has a blocked position in which the decoupling device prevents the central part from being rotated from the decoupled position into the coupled position via the transmission connection, wherein a control device is provided with which the decoupling device can be actuated in order to continuously hold the decoupling device in the blocked position for a period of time.

The utility model belongs to the technical field of energetic material processing, and particularly discloses a slurry recycling device for absorbing medicine granulation. The slurry recycling device comprises a slurry preparation tank, a slurry recycling device and a slurry return pipeline, and the slurry recovery device comprises a buffer tank, a stirring paddle, a pneumatic motor, a buffer tank drain pipe, a jacket heat preservation water inlet, an overflow pipe, a jacket heat preservation water outlet and a mortar pump. According to the invention, the slurry with the material generated in the granulation process of the absorption medicine can be collected and continuously added into the absorption medicine to prepare slurry for recycling through pumping, so that the waste of the slurry material is reduced, the discharge of solid waste and liquid waste is reduced, the yield and quality of the product are improved, and the intrinsic safety degree of the production process is improved.

The present invention relates to the field of sewage treatment, and discloses an aeration tank assembly for sewage treatment, the aeration tank assembly comprises an aeration tank, an aeration assembly and a stirring assembly, the stirring assembly comprises a stirring part located at the bottom of the aeration tank and a traction part used for pulling the stirring part to reciprocate along the length direction of the aeration tank, and the stirring part comprises a scraper plate seat, the extending direction of the scraper base is parallel to the width direction of the aeration tank, the two side faces, in the length direction of the aeration tank, of the scraper base are obliquely arranged, the distance between the two side faces is gradually decreased from bottom to top in the vertical direction, the interior of the scraper base is hollow, a pneumatic motor is arranged in the scraper base, and pushing pieces are arranged on the two obliquely-arranged side faces of the scraper base correspondingly; a plurality of stirring pieces are arranged on the upper surface of the scraper base, the stirring pieces are arranged in an array mode in the extending direction of the scraper base, the pushing piece is used for pulling activated sludge shoveled by the scraper base to move towards the stirring pieces, and the pneumatic motor is used for driving the pushing piece and the stirring pieces to rotate.