400 results about "Pneumatic motor" patented technology

The invention relates to the technical field of aquatic fish refrigeration, in particular to a refrigeration device and method for aquaculture. The refrigeration device comprises a refrigeration cabinet, a base and a plurality of pneumatic machines, shaking frames corresponding to the pneumatic machines are arranged in the refrigeration cabinet, and filtering sleeve plates are movably arranged in the multiple shaking frames; the refrigeration device comprises a plurality of pneumatic machines, a plurality of shaking frames are arranged in the multiple shaking frames, filtering sliding plates are movably arranged in the multiple filtering sleeve plates, shaking draining mechanisms are arranged between the multiple pneumatic machines and the corresponding shaking frames, and self-cleaning mechanisms connected with the refrigeration cabinet are arranged at the bottoms of the multiple shaking frames. The shaking frame, the filtering sleeve plate and the filtering sliding plate in the refrigerated cabinet can be driven to shake synchronously, so that accumulated fish is dispersed during shaking and drained through holes of the filtering sleeve plate and the filtering sliding plate, the problem that water drops and blood are accumulated on the surfaces of the fish and the bottom of the refrigerated cabinet is solved, and the surfaces of the fish are kept relatively dry; therefore, the stability of the refrigeration effect is improved.

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 present invention discloses a rigid-flexible pneumatic component hybrid-driven robot joint system, belonging to the technical field of robots. The robot has the function of whole-body joint movement: three cylinders are connected in parallel to drive the movement of the waist joint. Multiple cylinders of the waist joint and the pneumatic muscles of the pelvis together drive the movement of the hip joint; the pneumatic motor and the pneumatic muscles in the form of antagonist muscles together drive the movement of the knee joint; four pneumatic muscles are connected in parallel to drive the movement of the ankle joint, and another two pneumatic muscles are connected to the lower end of the foot through the rear connecting shaft guide and drive the ankle joint together with the four pneumatic muscles of the ankle joint. A group of antagonist muscles in the wrist joint-elbow joint and the shoulder joint-elbow joint respectively drive the rotation of the elbow joint, and the pneumatic muscles in the form of two groups of antagonist muscles in the wrist joint-elbow joint and the wrist joint drive the movement of the wrist joint, and the pneumatic gripper has the function of clamping items. The present invention drives the joints by combining pneumatic components with mechanism, and has the characteristics of compact structure, strong adaptability and flexible working mode.

An air motor apparatus for air drilling includes a filter assembly at an uphole end that receives compressed air and diverts a constant pressure portion through a filter to a vane motor and a remaining portion to an air hammer at a downhole end via bypass conduits. The apparatus includes one or more sensors for measuring drilling conditions, the sensors being connected to a communication device capable of transmitting the sensor data to the surface. The sensors and their wiring are shielded from high air speeds by bypass conduits and components of the filter assembly.

An air motor apparatus for air drilling includes a filter assembly at an uphole end that receives compressed air and diverts a constant pressure portion through a filter to a vane motor and a remaining portion to an air hammer at a downhole end via bypass conduits. The apparatus includes one or more sensors for measuring drilling conditions, the sensors being connected to a communication device capable of transmitting the sensor data to the surface. The sensors and their wiring are shielded from high air speeds by bypass conduits and components of the filter assembly.

The utility model discloses a bag shaking mechanism of a fluidized drying granulator, which relates to the technical field of fluidized drying granulators and comprises a shell, a partition plate is fixedly connected inside the shell, air vents are equidistantly arranged on the partition plate in a surrounding manner, and the bag shaking mechanism further comprises a support plate frame and a support mechanism. In the process of cleaning the filter bag, the first pneumatic motor drives all the first transmission shafts on the upper plate to synchronously rotate, the first transmission shafts drive the sleeves to rotate, the sleeves drive the spiral strips to rotate, and meanwhile, the upper plate moves downwards to drive the first transmission shafts, the sleeves and the spiral strips to move downwards along the interior of the filter bag; the spiral strip continuously pushes the filter bag to shake left and right, so that material cakes in the filter bag can be broken and fall off conveniently, meanwhile, residual particles in the filter bag are scraped, and when the sleeve and the spiral strip move downwards to the bottom of the filter bag, the electric telescopic rod extends to drive the upper plate to drive the sleeve and the spiral strip to move upwards to reset, so that the cleaning operation is completed.

The present invention provides an intelligent gripping and wire clamp mounting device for a fully automatic drainage operation, and an operation method. The device comprises: a wire clamp body, used for fixing a drainage wire; a wire clamp fixing mechanism, used for fixing and positioning the wire clamp body; a wire clamp gripper, used for gripping the wire clamp body from the wire clamp fixing mechanism and connecting the wire clamp body to an electrified cable to complete a drainage operation; and an operation platform, connected to the wire clamp gripper and providing electrical power for the wire clamp gripper. According to the present invention, during use, the wire clamp fixing mechanism is mounted on a composite insulator of a cross arm of a 10 kV pole and tower, the design of the wire clamp fixing mechanism can safely fix a drainage wire clamp for a long time, and is suitable for a complex severe weather environment, and manual deployment and automatic robot gripping are facilitated. According to the wire clamp gripper of the present invention, a pneumatic motor serves as a driving force device for tightening a screw, and a pneumatic push rod serves as a power device of the wire clamp gripper. Mutual decoupling is achieved, electromagnetic interference is avoided, the electric insulativity is high, the cost is low, and technical popularization is easy. An operator is far away from an electrified cable, so that the electrical shock risk is reduced. The labor intensity is reduced, and the operation efficiency is improved.

The utility model discloses a device for quickly measuring gas content, which comprises a crusher, a desorption unit and a host, the pulverizer comprises a support, a pulverizer material bowl installed in the support, a blade located in the pulverizer material bowl, a pneumatic motor located below the pulverizer material bowl and used for driving the blade to rotate, and a pressure regulating filter installed on the support and connected with the pneumatic motor. The desorption unit comprises a base, a measuring cylinder mounted on the base, and a water level monitoring sensor positioned in the measuring cylinder and used for measuring the displacement of a water level, and a vent valve communicated with a material bowl exhaust port of the crusher material bowl is arranged on the measuring cylinder; a data acquisition device and an ARM single-chip microcomputer which are connected with the water level monitoring sensor through cables are arranged in the host. The device can rapidly measure underground readings, and is convenient to carry, good in stability, high in measurement precision and high in automation degree.

An air motor apparatus for air drilling includes a filter assembly at an uphole end that receives compressed air and diverts a constant pressure portion through a filter to a vane motor and a remaining portion to an air hammer at a downhole end via bypass conduits. The apparatus includes one or more sensors for measuring drilling conditions, the sensors being connected to a communication device capable of transmitting the sensor data to the surface. The sensors and their wiring are shielded from high air speeds by bypass conduits and components of the filter assembly.

The invention relates to the technical field of polishing, in particular to an automatic hub polishing machine which comprises a machine table, a mechanical arm is installed on the table top of the machine table, a connecting frame is connected to the end of the mechanical arm, a bottom frame is connected to the lower portion of the connecting frame through a stand column, a pneumatic motor is installed on the bottom frame, and a transmission shaft of the pneumatic motor is connected with a driving shaft. The free end of the driving shaft faces downwards and is connected with a clamp, a center grinding head is clamped at the clamping end of the clamp, and a side grinding assembly, an unfolding assembly and a sliding assembly are arranged on the bottom frame. Through the arrangement of the side grinding assembly, when a large round hole or the side wall of a spoke is ground, a center grinding head can be replaced by a plurality of surrounding grinding heads, and the hole in a hub and the two side walls of the spoke can be ground only by achieving the autorotation and sliding functions of the mechanical arm; and the center grinding head is used for grinding the end part of the spoke and the small hole, so that the complete grinding of the hub can be completed.

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 discloses a mine automatic dumping car guard efficient desilting device and a using method thereof. The mine automatic dumping car guard efficient desilting device comprises a guard car body head, and the guard car body head comprises a pneumatic motor, a generator and auxiliary equipment; the pneumatic motor is installed at the bottom of the guard body head and is suitable for outputting to drive the generator to operate, the output end of the generator is suitable for being connected with a commutator, filtering equipment and a power supply assembly, and the generator is suitable for storing electricity into the power supply assembly; a control console is mounted in the head of the guarding vehicle body and is used for controlling opening and closing of the auxiliary equipment; a climbing frame is installed on the side face of the guarding vehicle body head, the climbing frame is in a bent shape and comprises a pedal face, and a mud removing piece is installed on the pedal face and suitable for being installed on the pedal face in a rotating mode. According to the design, the convenience and high efficiency of mud removal operation are greatly improved, the difficulty of manual cleaning is reduced, the cleaning efficiency is greatly improved, the cleaning state of the climbing frame is effectively guaranteed, and good conditions are created for stable operation and safe use of the climbing frame.

The utility model relates to the technical field of screw locking equipment, and discloses valve body automatic screw locking equipment which comprises a base, a second side frame is arranged on the right side of the outer portion of the base, and a second electric lifting rod is arranged on the left side of the upper end of the second side frame; the second driving motor is arranged at the lower end of the second electric lifting rod, a side shell is installed at the output end of the second driving motor, a pneumatic motor is installed at the upper end of the side shell, and a screw hole brush is installed at the output end of the pneumatic motor; the air guide pipe is arranged at the lower end of the side shell; the supporting plate is arranged on the right side of the second side frame, and an air compressor is installed at the upper end of the supporting plate; and the first side frame is arranged on the left side of the base, a first electric lifting rod is arranged on the right side of the upper end of the first side frame, and an automatic screw locking machine is installed at the lower end of the first electric lifting rod. The screw hole cleaning structure is additionally arranged, so that the screw is prevented from being damaged when the screw is screwed in.

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 utility model relates to the technical field of winches, aims to solve the problem of how to improve the safety performance of an umbilical cable take-up and pay-off system, and provides an umbilical cable take-up and pay-off system which comprises a winch, a winding drum, a cable arrangement mechanism, a first pneumatic motor, a second pneumatic motor and an air source. The winding drum is arranged in the winch and used for winding the umbilical cable. The cable arranging mechanism is arranged on the winch and comprises a lead screw and a support, and the support is arranged on the lead screw. The first pneumatic motor is in transmission connection with the drum and used for driving the drum to rotate forwards or backwards. The second pneumatic motor is in transmission connection with the cable arrangement mechanism and used for driving the lead screw to reciprocate along the axis of the winding drum so that the support can drive the umbilical cables to be arranged on the winding drum. The air source is used for supplying air to the first pneumatic motor and the second pneumatic motor. The umbilical cable winding and unwinding system has the beneficial effects that due to the arrangement of the first pneumatic motor and the second pneumatic motor, the winding drum and the cable arrangement mechanism are driven in a pneumatic mode, the hidden danger of explosion prevention caused by electricity is avoided, and therefore the safety performance of the umbilical cable winding and unwinding system is improved.

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.

The utility model provides a subsea pipeline node air pressure driving walking derusting device, which relates to the technical field of pipeline derusting, and comprises a support frame, two U-shaped support plates, a rotating mechanism, a walking mechanism, a spray gun seat and a control box, the two U-shaped support plates are coaxially and symmetrically arranged on the two sides of the lower part of the support frame, and the rotating mechanism is coaxially and symmetrically arranged on the two sides of the lower part of the support frame. Comprising two annular gear trains, a rotating frame and a pneumatic motor, the two annular gear trains are coaxially arranged and installed on the opposite faces of the two U-shaped supporting plates respectively, the rotating frame is installed between the two annular gear trains in an embedded mode, and the pneumatic motor is used for driving the rotating frame to rotate. The walking mechanism is arranged on the rotating frame and comprises a walking frame and a rodless air cylinder used for driving the walking frame to walk linearly, and the rodless air cylinder is arranged in the axial direction of the rotating frame; the spray gun seat is arranged on the walking frame and is used for fixing a sand-blasting gun; and the pneumatic motor and the rodless cylinder are electrically connected with the control box. The device can be matched with a sand blasting machine to carry out automatic walking sand blasting and rust removal on S-shaped laying subsea pipeline nodes.

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 utility model discloses a mining pneumatic speed regulation type concrete feeding machine, and relates to the technical field of feeding machines, the mining pneumatic speed regulation type concrete feeding machine comprises a frame which is obliquely arranged above a support, the lower portion of the frame is fixedly connected with a rubber conveying groove through a connecting piece, and a spiral conveying shaft is arranged on the inner side of the rubber conveying groove. The spiral conveying shaft is rotationally connected with the frame and is driven by a driving mechanism to rotate, and the spiral conveying shaft is used for pushing materials in the rubber conveying groove from the feeding end to the discharging end; the connecting piece comprises a pressing plate and angle steel, the pressing plate and the angle steel are oppositely clamped and fixed to the inner side and the outer side of the rubber conveying groove through bolts, and the angle steel is fixedly connected with the frame through bolts. According to the mining pneumatic speed regulation type concrete feeding machine, the conveying groove is good in abrasion resistance and convenient to disassemble, assemble and clean, and meanwhile the mining pneumatic speed regulation type concrete feeding machine is driven by the pneumatic motor and can stably work in the special environment of a mine.

The utility model relates to a water pipe swinging device driven by a pneumatic motor. The problem that in the prior art, a water pipe is difficult to achieve large-area flushing and automatic flushing is solved. The device comprises a pneumatic driving mechanism, one end of the pneumatic driving mechanism is connected with an anchoring rod assembly through a crank arm assembly, and the anchoring rod assembly is slidably provided with a hoop assembly used for positioning a water pipe through a sliding connecting seat. The sewage treatment device has the advantages that the sewage treatment effect is good, pollution is not easy to cause, and the sewage treatment pressure of the water treatment part is reduced; compared with the prior art, the automatic flushing device has the advantages that larger-area flushing can be achieved, manual holding by personnel is not needed, the purpose of automatic flushing is achieved, the swing amplitude and flushing angle of the water pipe can be adjusted according to the flushing area in the flushing process, use flexibility is better, and the purpose of adjusting the flushing range is achieved.