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

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 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 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 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 provides a double eccentric wheel type push-pull pulsed wire feeding method and a double eccentric wheel type push-pull pulsed wire feeding device, which realize the feeding and retracting of a welding wire, and achieve the effect of pulsed feeding by more feeding and less retracting of the welding wire. The method is characterized in that: a motor 14 drives an eccentric shaft 8 to rotate; the eccentric shaft 8 is provided with two eccentric wheels with different eccentricities and the same eccentric direction; when the eccentric shaft 8 drives a feed chuck 10 and a retraction chuck 3 to move forwards, the feed chuck 10 drives the welding wire 1 to feed forwards, and the retraction chuck 3 and the welding wire 1 generate sliding friction; and when the eccentric shaft 8 drives the feed chuck 10 and the retraction chuck 3 to move backwards, the feed chuck 10 does not clamp the welding wire 1, and the retraction chuck 3 and the welding wire 1 drive the welding wire 1 to retract by virtue of a static frictional force generated by a pressing force of a spring 4. A feed distance and a retraction distance of the welding wire 1 are determined by the eccentricity of the eccentric wheel. The device has the characteristics of reliable action, high reciprocating frequency, simple and light structure, less vibration and low cost.

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 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 micro dynamical system relevant to the field of internal combustion engines and the field of electricity generation, in particular to an inlet gas preheating type micro free piston electric generator. The inlet gas preheating type micro free piston electric generator comprises magnetic pistons, a micro combustion chamber cylinder, mixed gas ejectors, intake channels, exhaust channels, a waste gas cavity, a scavenging plate, one-way exhaust valves, exciting windings, a stator, stator windings, left separation poles, right separation poles, a current inverter, switches, a storage battery and the like. The inlet gas preheating type micro free piston electric generator is characterized in that the magnetic pistons serve as not only free pistons of a micro engine but also electricity generation armatures; the waste gas cavity, the scavenging plate and the one-way exhaust valves are added to constitute an scavenging structure, and therefore the waste gas exhaust function is enhanced; the intake channels are embedded in the exhaust channels, and excess heat of waste gas is used for preheating mixed gas in the intake channels. The inlet gas preheating type micro free piston electric generator has the advantages that an internal combustion engine and an electric generator are combined organically, the structure is simplified, meanwhile, overall performance of the micro electric generator is optimized, energy loss of a mechanical mechanism moving in a reciprocating mode is reduced, and a high energy conversion rate is obtained.

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 discloses a fatigue testing machine for a communication wire. The fatigue testing machine is characterized by comprising an output rod and two rotating mechanisms which have the same angular speeds and move in opposite directions, wherein a driving pin is arranged on each of the two rotating mechanisms and the two driving pins are symmetric about a perpendicular bisector of a connection line of two rotating centers of the two rotating mechanisms; a driving rail by which the two driving pins do reverse reciprocating motion is arranged on the output rod and is parallel to the connection line of the two rotating centers. The fatigue testing machine for the communication wire has the advantages that the two driving pins do reverse reciprocating motion along the driving rail on the output rod; a pair of reverse friction is formed by the two driving pins in the direction of the driving rail, and furthermore, a pair of counter-acting forces is formed on the output rod; the two counter-acting forces are counteracted mutually, so that the working force in the vertical direction between the output rod and a positioning rail is theoretically zero, and the positioning rail does not have torque; and therefore, the friction loss and vibration of the output rod in a reciprocating motion process are effectively reduced.

The invention relates to the field of kitchen sinks, and discloses a kitchen sink, which includes a tank body, a filter plate is placed on the bottom of the tank body, filter holes are opened on the filter plate, and the filter holes are connected to the bottom of the tank body. The bottom of the tank body is connected with an adjustment ring, and the inside of the adjustment ring is respectively provided with a telescopic mechanism and an adjustment mechanism. One end of the mechanism is provided with a collar, and the punching hollow column sleeved on the inner wall of the collar passes through the filter hole, and the outer surface of the punching hollow column extending to the inside of the tank is provided with a plurality of diversion holes, and the adjustment mechanism is located under the connecting rod. The surface is sleeved with a hemispherical carrier, and the bottom of the body wall of the hemispherical carrier is provided with a U-shaped water retaining ring. The invention enables water to flow out from the diversion hole, so that the tank body is always in a draining state, and the use will not be affected by blockage.

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.