44results about How to "Increase reciprocation frequency" patented technology

The invention discloses a system for accurately testing friction damping. The system comprises a piston, a damping sealing member, a sleeve, a piston rod, force sensors, a cutting sleeve coupler, a displacement sensor, a driving motor, a measurement control platform, an experiment table body and a sleeve centering adjusting rod. The piston, the damping sealing member and the sleeve are matched together to simulate a moving part structure of a liquid rocket valve, and then are assembled together with the experiment tale body and the sleeve centering adjusting rod to form an experiment table of friction testing system; the piston is in rigid connection with the driving motor through the piston rod and the cutting sleeve coupler; the force sensors at two ends of the sleeve and the displacement sensor of the driving motor are connected with the measurement control platform; and the driving motor is connected with the measurement control platform to form a control test bed of the friction testing system. The system provides a valve piston friction structure for simulating reality, adopts a driving mode combining direct driving and macro-micro motions, and has the advantages of automatic control, high control accuracy, high reciprocating frequency, large motion stroke, high dynamic frictional force measurement accuracy and the like.

The invention relates to a flash radar and a transmitting device and detection method thereof. The transmitting device comprises a laser device linear array, a galvanometer array and a driving module;multiple laser devices of the laser device linear array transmit exiting signals, and galvanometers which are correspondingly arranged on the exiting optical axes of the exiting signals transmitted by the lasers one by one are used for receiving and reflecting the exiting signals transmitted by the laser devices corresponding to the galvanometers; the driving module is used for driving the galvanometer array to vibration in a reciprocating manner in the preset angle range so as to control the exiting signals to be periodically transmitted to each target region in a target field of view, and the orderly scanning on the whole target region can be accomplished in one period. A VCSEL array is used as a light source, the beam quality is good, the space energy density is high, and the exiting signal can be once transmitted to each target region in the target field of view, the energy density of the target field of view vertical to a beam propagation direction is improved, the detection distance is increased, and the detection precision is improved.

The invention relates to the field of foam recycling, and discloses a foam plastic recycling device. The device comprises a box body. A feeding cylinder is fixedly connected to the top of the box body, limiting plates which are symmetrically arranged are fixed to two sides of the top end in the box body, fixed plates which are symmetrically arranged are fixed to two sides of the interior of the box body, and a motor is fixedly arranged on the outer wall of the left side of the box body. According to the foam plastic recycling device, through the arrangement of the limiting plates and the fixedplates and the cooperation of the motor, a worm, a rotating shaft, a crank connecting rod mechanism, a meshing plate and a movable door, a meshing plate can be driven to move in a reciprocating modethrough the motor, foam waste is cut off, then the meshed foam waste is extruded through a hydraulic cylinder principle and is compacted, and then the effects of convenient transportation and space saving in the foam waste recycling process are achieved.

The invention relates to the field of knitting hosiery machines and discloses a hosiery machine cam system. The hosiery machine cam system comprises a main circuit cam system, a middle steel ring and an auxiliary circuit cam system. The main circuit cam system and the auxiliary circuit cam system are located on the two sides of the middle steel ring respectively. The main circuit cam system comprises an upper middle cam, a left stitch cam and a right stitch cam. The auxiliary circuit cam system comprises an auxiliary circuit stitch cam, an auxiliary circuit insert and a plain stitch plate. The auxiliary circuit insert is located on the side, in the axial direction of the middle steel ring, of the auxiliary circuit stitch cam, and the plain stitch plate is located on the side, in the peripheral direction of the middle steel ring, of the auxiliary circuit stitch cam. The invention further discloses the stitch cams of the cam system. The hosiery machine cam system and the stitch cams have the advantages that other circuit of stitch cam system is placed on one side of the main circuit cam system of an existing single-needle-cylinder circular knit hosiery machine, the knitting efficiency is improved, and high application value is achieved.

The present invention concerns a turbine driving a power conversion means, the power conversion means comprising several power conversion units, preferably of approximately similar power conversion capacity, that have coupling means for coupling the power conversion units to the turbine, the turbine having measuring means for determining the rotation speed of the turbine and / or a flow speed of the turbine driving flow of wind or water and a control system for controlling the coupling means in dependence of the determined rotation speed and / or flow speed. In accordance with the invention the control system has means for activating and deactivating the coupling means for the different the power conversion units so that the power conversion units are used equally.

The present invention relates to a crushing apparatus. The present invention discloses a grinding apparatus for cultivating edible fungus. The grinding apparatus comprises a pedestal; the pedestal is rotatably connected with a main rotating rod and a driving rotating rod; the driving rotating rod is fixedly connected with a cam; the main rotating rod is fixedly connected with a swing rod; one side of the swing rod is abutted with the cam; the main rotating rod is also fixedly connected with a bumping rod; one side of the bumping rod is provided with a sliding chute; a sliding block is slidably connected in the sliding chute; the sliding block is abutted with the bumping rod; the sliding block is provided with a spring in a bumping track of the bumping rod; the other end of the spring is fixed; one side, far from the bumping rod, of the sliding block is provided with sawteeth; a material tank controlled by a cylinder is disposed below the sawteeth; the driving rotating rod is provided with a rotating knife and an aggregate tank; the rotating knife is disposed in the aggregate tank; and an inclined guide tank is disposed below the material tank. The grinding apparatus, which is capable of directly grinding wood into scraps, for cultivating the edible fungus is provided for solving the problem that an existing crushing apparatus cannot crush the wood block directly.

The invention discloses a simple femtosecond pulse width measuring system. The system comprises a focusing element, a femtosecond pulse time-delay splitting subsystem, a high-pressure generating module and a data collecting and processing system; when the femtosecond optical ultrashort pulse with unknown pulse width passes through the focusing element and enters the femtosecond pulse time-delay splitting subsystem, the femtosecond optical ultrashort pulse is divided into two beams by a beam splitter mirror in the subsystem, the optical path difference of two lights is controlled by adjusting output signals of the high-pressure generating module to change the expansion amount of piezoelectric ceramics. Finally, said two lights arrive at the same position of a two-photon detector through a reflector. The sequential variation of signals measured by the two-photon detector is obtained by changing the high-pressure signals for controlling the piezoelectric ceramics namely changing the delay time of the pulse, and the width of the femtosecond optical ultrashort pulse is obtained through data treatment. The focusing element, the piezoelectric ceramics and the two-photon detector are employed in the simple femtosecond pulse width measuring system, thus the measuring system is simple and compact in structure and strong in feasibility.

The invention provides an HCCI micro free piston electric generator. The HCCI micro free piston electric generator comprises a stator and micro free piston power devices. The stator is provided with amain air inlet, the stator is divided into stator work units through the main air inlet, the stator work units are symmetrically distributed and are of the same structure, fixed dividing rings are arranged in the stator work units, the micro free piston power devices are arranged in the stator work units, a work chamber comprises a combustion chamber and a pressure chamber, the pressure chamber is communicated with the main air inlet, a combustion chamber air inlet and a combustion chamber exhaust opening are formed in the combustion chamber, a pressure chamber air inlet is formed in the pressure chamber, the pressure chamber air inlet and the combustion chamber air inlet are connected through a pipeline, a one-way valve is arranged on the main air inlet, and an exciting winding and a stator winding are arranged on the inner wall of each stator work unit. Mechanical energy is directly converted into electric energy, waste gas waste heat is used for preheating mixed gas, the initial temperature of the mixed gas is improved, and compression combustion of the mixed gas is facilitated.

The invention discloses a device converting circular rotation to linear reciprocating motion. The device overcomes the defect in the prior art that the relative frequency of the motion of a sliding block driven by a connection rod of a crank connection rod mechanism can not be accelerated. The device comprises a connection rod, wherein the rear end of the connection rod is in pin joint connection with a dragging piece and the front end of the connection rod is rotably connected with the lower end portion of a swing rod through a pin shaft, and the swing rod is arranged above the connection rod. The upper end portion of the swing rod is rotably connected with a pin rod fixed to a base; a stirring wheel with at least two teeth is arranged below the front end of the connection rod; the stirring teeth of the stirring wheel abut against the pin shaft in an interval mode; the stirring wheel is fixedly connected with a rotating shaft, and the rotating shaft is connected to the base through a bearing; the rotating shaft is connected with a transmission mechanism; the lower end portion of the swing rod abuts against one end of a compression spring, and the other end of the compression spring abuts against a spring seat arranged on a clutch. The device converting circular rotation to linear reciprocating motion is used for frequency-increasing swing reciprocating transmission devices and has the advantages of improving the reciprocating travel frequency of sliding blocks, being very small in sliding block side component force and small in power waste, and reducing abrasions and heating of relevant parts.

The invention relates to a cutting tool, which comprises a housing, a power source arranged in the housing, a reciprocating lever driven by the power source, and a saw blade connected with one end of the reciprocating lever, wherein the power source drives the reciprocating lever to drive the saw blade to do reciprocating movement along the axial line direction of the reciprocating lever; and the reciprocating frequency of the reciprocating lever is more than or equal to 6000 times / min. The reciprocating frequency of the reciprocating lever of the cutting tool provided by the invention is greatly increased. The reciprocating moving frequency of the saw blade is correspondingly increased. The time interval of adjacent cutting times is shortened. Therefore, the spacing distance of the tool marks reserved by the saw blade on the surface of a workpiece may be greatly reduced. The surface cutting precision of the workpiece is greatly improved. The reciprocating frequency of the reciprocating lever is improved and the reciprocating moving speed of the saw blade is accelerated as well, so that the feeding speed of the saw blade on the workpiece can be greatly accelerated so as to improve the cutting efficiency.

The invention discloses a novel linear friction welding device. The device comprises a base and a supporting frame. The supporting frame is movably arranged on the upper end face of the base, a vibration mechanism, a dual-cam mechanism and a feeding mechanism are included, during welding, through the vibration mechanism, a workpiece to be welded is driven to do up and down reciprocated type motion, the dual-cam mechanism drives a workpiece to be welded to do left and right reciprocated type motion, the feeding mechanism drives the two welded workpieces to oppositely move, and the welding process is finished. The up and down vibration amplitude of the workpieces to be welded is adjusted through a planetary phase conversion mechanism, relative rest of the workpieces to be welded can be achieved, mismatch appearing in the workpieces to be welded after emergency stop can be avoided, and the dual-cam structure is adopted for driving the workpiece to be welded to do left and right reciprocated motion.

The invention discloses a highway subgrade maintenance pavement crack pouring device which comprises a base and a stone dust collecting cavity arranged at the front end of the bottom of the base, wherein two damping adjusting rods are rotationally installed at the rear end of the interior of the stone dust collecting cavity, and a first rotating roller is installed between the lower ends of the damping adjusting rods; a plurality of groups of first brushes are arranged outside the first rotating roller; a protective shell which is arranged on the stone dust collecting cavity, wherein a dust collecting cover is fixedly mounted at the upper end of one side in the stone dust collecting cavity; a positioning groove which is formed in the rear end of the stone dust collecting cavity; and a stirring barrel which is arranged in the middle of the upper end of the base, wherein a leveling device is installed outside the glue injection head on the glue injection device, and telescopic plates are installed on the two sides of the interior of the leveling device in a sliding mode. In the repairing process of the pavement gap, the pouring sealant can be accurately and compactly injected into the pavement gap along the notch direction of the gap, and the gap can be cleaned.

Relating to the field of kitchen sinks, the invention discloses a kitchen sink, which includes a sink body. A filter plate is placed at the bottom of the sink body, and is equipped with filter holes that are communicated with the bottom of the sink body, the bottom of the sink body is connected to a regulating ring, and a telescopic mechanism and a regulating mechanism are arranged inside the regulating ring respectively, the telescopic mechanism is in connection with the regulating mechanism, the outer surface of the regulating mechanism extending out of the regulating ring is equipped with connecting rods, one ends of the connecting rods far from the regulating mechanism are equipped with sleeve rings, top punching hollow columns sheathed to the inner walls of the sleeve rings pass through the filter holes, the outer surfaces of the top punching hollow columns extending to the inside of the sink body are equipped with a plurality of guide holes, the surface of the regulating mechanism below the connecting rods is sleeved with a hemispherical supporting body, and a U-shaped water-retaining ring is disposed at the bottom of the hemispherical supporting body wall. The kitchen sink provided by the invention enables water to flow out from the guide holes, so that the sink body can be in a drainage state all the time, and the circumstance of blockage affected use does not occur.

The invention belongs to the technical field of film plating, and particularly relates to equipment for bombarding the surface of a workpiece through energetic plasma and forming a smooth plating layer. The equipment comprises an outer shell, inner shells, workbenches, target materials, a motor, a rotary shaft, a first bearing, a fixing ring, permanent magnets, a rotary rod, thrust bearings, annular magnets, springs, a baffle and a magnetic isolation module. According to the equipment, the cylindrical surface of the upper end of the rotary shaft is provided with one permanent magnet, the upperend and the lower end of the fixing ring are provided with thrust bearings correspondingly, the cylindrical surface of the inner side of the fixing ring is provided with one permanent magnet, the magnetic isolation module is arranged between the upper end of the rotary shaft and the fixing ring, the annular magnets on the rotary rod can do reciprocating motion continuously through the magnetic isolation module, accordingly, magnetic fields loaded on the target materials are uniform, the effect that target material consumption is uniform is ensured, target material wasting is avoided, meanwhile, the plating layer of the to-be-plated workpiece is uniform, and accordingly, the plated workpiece quality is ensured.

The invention relates to a screening device, and discloses a screening device used for cultivating edible mushrooms. The screening device comprises a base, a main rotating rod and a driving rotating rod are connected to the base in a rotating mode, a cam is fixedly connected to the driving rotating rod, a swinging rod is fixedly connected to the main rotating rod, one side of the swinging rod abuts against the cam, a collision rod is further fixedly connected to the main rotating rod, a sliding groove is formed in one side of the collision rod, a sliding block is connected inside the sliding groove in a sliding mode and abuts against the collision rod, a spring is arranged at the part, on a collision track of the collision rod, of the sliding block, the other end of the spring is fixed, a screen is connected to the end, away from the collision rod, of the sliding block, stirring rods and a stirring groove are formed in the driving rotating rod, the stirring rods are arranged inside the stirring groove, and an inclined guiding groove is formed in the lower portion of the screen. The problem that an existing screening device can only screen out scraps is solved, and the screening device for cultivating the dibble mushrooms can screen out scraps and stir culture media.

The invention relates to a squeezing device and discloses a squeezing device for edible mushroom culture. The squeezing device comprises a base. A main rotary rod and a drive rotary rod are rotationally connected to the base. The drive rotary rod is fixedly connected with a cam. The main rotary rod is fixedly connected with a swing rod. One side of the swing rod abuts against the cam. The main rotary rod is further fixedly connected with an impact rod. A sliding groove is formed in one side of the impact rod. A sliding block is connected into the sliding groove in a sliding mode and abuts against the impact rod. A first elastic piece is arranged on the sliding block on an impact track of the impact rod. The other end of the first elastic piece is fixed. The end, away from the impact rod, of the sliding block is connected with a press board. An interval conveying device is arranged below the press board. The squeezing device for edible mushroom culture aims at solving the problem that a culture medium cannot be compacted in the prior art, and the squeezing device can compact the culture medium.

The invention discloses a linear friction welding device. The linear friction welding device comprises a single-cam module, a double-cam module, a driving module, a feeding module and a base; the front end of the base is fixedly connected with the feeding module; the feeding module is hinged with the single-cam module; the double-cam module is arranged on the back side of the single-cam module; the driving module is arranged on the left side of the base; the driving module drives the single-cam module and the double-cam module through a first driving synchronous belt A and a second driving synchronous belt B ; and the single-cam module and the double-cam module are fixedly connected with the base. The linear friction welding device has the following advantages: the single-cam module drivesworkpieces to be welded to perform an up-down reciprocating motion; the double-cam module drives the workpieces to be welded to perform a left-right reciprocating motion; and under the condition of identical welded parts, the needed driving force is greatly reduced.

There is disclosed a positive clutch without clutch impact capable of long-time working in a semi-clutch state. It has a device capable of swinging reciprocately driven by a reciprocating motion mechanism made up of input shaft parts and output shaft parts. The moving reciprocately is produced by inlet shaft parts and outlet shaft parts. The reciprocating motion mechanism is blocked by pendulum inertia, so as to make the two shafts of the clutch be jointed together.

The nut burr removing machine comprises a bottom plate, a hopper and a pair of symmetrical positioning plates, the hopper is used for containing nuts to be machined, the positioning plates are fixed to the bottom plate, the hopper and the positioning plates are fixed together, a pair of symmetrical discharging parts are arranged on the hopper in a protruding mode, and the discharging parts are arranged on the bottom plate. The device further comprises an arrangement assembly, the arrangement assembly comprises an arrangement plate, the arrangement plate is in sliding fit with the hopper, and the arrangement plate reciprocates up and down to guarantee smooth discharging. According to the technical scheme, the nuts are jacked and pressed in a reciprocating mode through the sorting plate, so that the nuts can be smoothly discharged in a neat arrangement mode, the positions of the nuts can be conveniently observed through the peeping groove, the problem is solved, the reciprocating frequency of the sorting plate can be increased through the tooth-missing gear, and the discharging efficiency is improved; the two symmetrical discharging parts can improve the discharging speed.

The invention provides a miniature free piston generator with a compound combustion chamber structure. The miniature free piston generator comprises a hydraulic cylinder and a temperature difference power generation device; a first miniature free piston power device is located on an axis of a machine body, and a plurality of second miniature free piston power devices are uniformly distributed in the circumferential direction of the axis of the machine body; a plurality of air inlets and a generator exhaust port are formed in the machine body, and the exhaust port of the generator communicateswith an inner cavity of the machine body; the hydraulic cylinder comprises a first piston rod, a second piston rod and a hydraulic cavity, wherein the hydraulic cavity is connected with the machine body, the first piston rod and the plurality of second piston rods are arranged in the hydraulic cavity, and a piston body of the first miniature free piston power device is in linkage with the first piston rod; piston bodies of the second miniature free piston power devices are in linkage with a second piston rod; and the temperature difference power generation device is arranged in the machine body. According to the generator, mechanical energy of piston movement can be directly converted into electric energy so as to obtain a relatively high energy conversion rate; and preheating is carried out on the mixed incoming air by utilizing high-temperature waste gas.

The invention belongs to the technical field of PLC control cabinets, and particularly relates to an energy-saving low-noise PLC control cabinet which comprises a cabinet body, a cabinet door is hinged to the front end of the cabinet body, a mounting groove is formed in the outer wall of the periphery of the cabinet door, an inflation hose adheres to the interior of the mounting groove, a first branch pipe is fixed to the front end of the cabinet door in a penetrating mode, and the top of the first branch pipe communicates with the inflation hose. The front end of the first branch pipe is sleeved with a balloon, the front end of the balloon is bonded with a second branch pipe, the front end of the second branch pipe is communicated with a connecting pipe, second sliding grooves are formed in the inner walls of the two sides of the second branch pipe, second sliding blocks are slidably connected into the second sliding grooves, and second springs are fixed between the second sliding blocks and the inner walls of the rear ends of the second sliding grooves. An exhaust block is fixed between the two second sliding blocks, and exhaust holes are formed in the front end and one side of the exhaust block. According to the invention, air in the cabinet body is pumped into the inflation hose, the door crack is closed, noise transmission is reduced, and meanwhile, the air content in the cabinet body is reduced, so that effective noise reduction is carried out.

The invention discloses a medical nasal feeding tube cleaning device, and belongs to the field of medical instruments. According to the medical nasal feeding tube cleaning device, through mutual cooperation between a magnetic cleaning ring and a magnetic control cleaning ball and reciprocating circulation of the magnetic control cleaning ball in a nasal feeding tube, adherents on the inner wall of the nasal feeding tube are sucked and collected through extrusion through the magnetic control cleaning ball, a traditional high-pressure flushing mode is abandoned, on the premise that damage to the wall of the nasal feeding tube is reduced, cleaning of the adherents on the tube wall is achieved, the service life of the nasal feeding tube is effectively prolonged, the risk of repeated use of the nasal feeding tube is reduced, meanwhile, through mutual cooperation of a telescopic detection air bag and the magnetic control cleaning ball and observation of color changes of the magnetic control cleaning ball, whether the nasal feeding tube has cracks or not can be judged, crack detection is conducted on the nasal feeding tube, the use hidden danger of the nasal feeding tube is effectively reduced, and after the cleaning work is completed, repeated utilization of the magnetic control cleaning ball can be realized through heating and demagnetizing cleaning.

The invention belongs to the technical field of disinfectant production, and particularly relates to a disinfectant production solvent equal-proportion blending device which comprises a box body, a box cover is arranged at the top of the box body, a vertical pipe is fixed to the top of the box cover in a penetrating mode, a main shaft is rotationally connected to the inner wall of the bottom of the vertical pipe, an incomplete bevel gear is fixed to the main shaft in a sleeving mode, and the bottoms of the two sides of the vertical pipe communicate with transverse pipes; a split shaft penetrates through and is rotationally connected to the side wall of the transverse pipe, a complete bevel gear is fixed to the inner side of the split shaft and is in meshed connection with the incomplete bevel gear, a motor is fixed to the top of the vertical pipe, an output shaft of the motor is fixed to the main shaft, a disc is fixed to the outer side of the split shaft, a plurality of first sliding grooves are formed in the outer side of the disc, and first sliding blocks are slidably connected into the first sliding grooves. A stirring paddle is fixed on the outer side of the first sliding block. In the invention, the incomplete bevel gear and the two complete bevel gears are respectively in a meshed state and a non-meshed state at the same moment, and the stirring paddles on the two discs have a rotating speed difference, so that the blending efficiency is improved.

The invention relates to a split type vibration and noise reduction air pump. The split type vibration and noise reduction air pump includes a shell base, a shell cover, a vibration and noise reduction cavity, a reciprocating vibration and noise reduction air passage, a pump body and a plurality of extraction and exhaust devices, wherein the shell base is provided with an air inlet hole and an airoutlet hole, the shell cover is detachably connected with the shell base, the vibration and noise reduction cavity is formed in the upper end of the shell base, the reciprocating vibration and noisereduction air passage is arranged on the rear side of the vibration and noise reduction cavity and communicates with the air outlet hole, and the pump body blocks the upper ends of the vibration and noise reduction cavity and the reciprocating vibration and noise reduction air passage and is detachably connected with the shell base; and each extraction and exhaust device includes an air inlet passage, an air outlet passage, an air chamber seat, an air inlet check valve, an air outlet check valve, a leather cup, a swing arm and a swing arm driving device, wherein the air inlet passage is arranged in the pump body and communicates with the air inlet hole, the air outlet passage communicates with the vibration and noise reduction cavity, the air chamber seat is provided with an air chamber, the inner end of the air chamber seat is detachably connected with the pump body, the air inlet check valve is arranged between the air inlet passage and the air chamber, the air outlet check valve isarranged between the air chamber and the air outlet passage, the opening end of the leather cup is detachably connected with the outer end of the air chamber seat, and the swing arm is connected withthe sealing end of the leather cup. When the split type vibration and noise reduction air pump is used, vibration noise is small, and installation and disassembly are convenient.