730results about How to "Realize reciprocating motion" patented technology

The invention relates to a scratching and corrosive wear test device, in particular to a high-temperature high-pressure in-situ scratching and corrosive wear test device. The device solves the problems that in-situ single-time scratching, reciprocating multiple-time corrosive wear and the like are difficult to realize under the high-temperature and high-pressure environment in the prior art. The device is provided with a frequency converter, a motor, a high-pressure kettle, a control cabinet, a double-upright-post fixed bracket, a moving shaft, a scratching head and the like, can perform in-situ single-time scratching, reciprocating multiple-time corrosive wear research on the surface of a test sample at high temperature and high pressure, and can detect a signal, which represents the process of a test sample surface membrane changed from damage to passivation in the scratching or corrosive wear process, by cooperating a high-temperature high-pressure reference electrode and a high-temperature high-pressure working auxiliary electrode which are arranged on the high-pressure kettle, with an electrochemical working station.

A high-efficiency spraying device for disinfectant on a building construction site, comprising a car body, a driving motor is fixedly installed on the top of the car body, a driving bevel gear is fixedly installed on the stirring shaft, a runner is fixedly installed coaxially on the left end of the driven shaft, and the runner A connecting rod is hinged on the edge of the left side; the upper side of the lifting block is connected with the first steel wire rope, and the end of the first steel wire rope away from the lifting block is fixed on the upper slider; the rotation type in the car body is equipped with a limit pulley, and the lower end of the lifting block is connected with the second steel wire rope , the second steel wire rope is wound on the limit pulley, and the right end of the second steel wire rope is fixed on the limit baffle; the water drawing sleeve is connected with a liquid outlet hose, and the first one-way hose is installed on the liquid outlet hose. Valve, the invention has ingenious structure and reasonable design. Through the up and down reciprocating movement of the lifting block, the up and down reciprocating movement of the nozzle and the fan is realized, so that the up and down spraying range of the disinfectant is wider, the distance is longer, and the disinfection and sterilization effect is better.

The invention belongs to the technical field of a compressor, and more particularly relates to a spin-orbit-type reciprocating piston compressor which comprises an air cylinder, a piston and a connecting rod, and is characterized by being provided with a rotor, a sliding seat, a plurality of sliding blocks and thrust pins; wherein the rotor is provided with a spin orbit, the sliding seat is provided with a plurality of sliding rails parallel to the axes of the rotor, the sliding blocks are matched with the sliding rails in a sliding or rolling way, one end of the thrust pins is connected withthe sliding blocks, and the thrust pins move along the sliding rails together with the sliding blocks; the other end or middle end of the thrust pins can be matched with the spin orbit and correspondingly driven to move along the work molded surface of the spin orbit; one end of the connecting rod is connected with the piston, and the other end thereof is connected with the sliding blocks; as thespin-orbit structure is adopted to realize the reciprocating motion of the piston, a crankshaft and connecting rod mechanism of the traditional compressor can be eliminated, the spin-orbit-type reciprocating piston compressor carries forward the advantage of compact structure of a swash plate compressor, and is flexible in layout, so as to further realize the design of large delivery capacity of the compressor, and more importantly control the reciprocating motion law of the piston.

The present invention relates to solvent extracting process as industrial wet process phosphoric acid purifying process. On the basis of technological process of preparing industrial phosphoric acid with wet process phosphoric acid, the present invention has the measures of: 1) setting desulfurizing and defluorinating buffer in the pre-treating section and setting one re-desulfurizing and deferrizing tank between the extracting tank and the washing tank for reinforced desulfurizing, defluorinating and deferrizing; 2) performing extraction, washing and reverse extraction in the rotary vibrating sieve-plate tower; and 3) setting one demulsifying tank between the washing tower and the reverse extracting tower. The present invention has one special rotary vibrating sieve-plate tower developed as the key apparatus. The present invention is used in the industrial production of purifying wet process phosphoric acid and has greatly reduced loss and low cost.

The invention discloses a three-dimensional printing molding device for rubber powder by microwave sintering. The three-dimensional printing molding device comprises a heating unit, a powder laying unit and a control unit, wherein the heating unit comprises a microwave coagulator and a microwave coagulator driving part; the powder laying unit comprises a powder box, a powder box driving part, a working platform and a compression roller; the compression roller comprises a roller body and a center shaft supporting frame; the compression roller driving part comprises an ordinary alternating current motor, a gear A, a gear B, a toothed belt, a toothed belt wheel A and a toothed belt wheel B. According to the three-dimensional printing molding device for the rubber powder by the microwave sintering, disclosed by the invention, the rubber powder is heated by microwave, and the uniform powder laying and the timing heating can be realized; the device is reasonable and simple in structure; important driving devices adopt a mode of driving a roller screw by a stepper motor, so that the molding precision is high, and controllable molding of a three-dimensional complex model of the rubber powder is realized. According to the three-dimensional printing molding device for the rubber powder by the microwave sintering, disclosed by the invention, the molding method of the rubber powder is enlarged; meanwhile, novel three-dimensional sintering molding equipment is provided.

The invention discloses a screed plate compaction beam, a screed plate and a paver. The screed plate compaction beam comprises a driving shaft, a cam, a transmission rod and a transmission rod resetting mechanism. The driving shaft is connected with a driving motor; the cam is sleeved on the driving shaft and is coaxially linked with the driving shaft; the upper end of the transmission rod is contacted and connected with the peripheral wall of the cam, and the lower end of the transmission rod is fixedly connected with a cutter blade; and the transmission rod resetting mechanism is used for tightly pressing the upper end of the transmission rod onto the cam. According to the screed plate compaction beam, when a bulge part rotates to the transmission rod when the cam rotates, the transmission rod is extruded and the cutter blade is driven to move downwards; and when the bulge part rotates away from the transmission rod, the transmission rod is reset, the cutter blade is driven to move upwards, vibratory pulse is produced, and the back-and-forth movement of the screed plate compaction beam is realized. Compared with an existing hydraulically driven screed plate compaction beam, according to the screed plate compaction beam, the structure is simpler, so that the cost is lower on the one hand, and the detachment and the post repairing of the equipment are convenient on the other hand.

The invention discloses a hydraulic impactor. Pressure difference formed between the upper end and the lower end of an impacting body by drilling fluid flowing inside an impactor body achieves guide effects on the impacting body and meanwhile enables the impacting body to move axially and reciprocatingly, and a throttle device and an impact transfer device can transmit impact force generated by the impacting body to a drill bit, so that the impacting body can exert the impact force at a certain frequency onto the drill bit. Compared with an existing hydraulic impactor, the hydraulic impactor omits a reversing unit, a working valve and a driving device, thereby being simple in structure and high in use reliability.

The invention discloses a continuous type pad printing and coding device. The continuous type pad printing and coding device comprises a workbench, a PLC controller and a pad printing machine. The continuous type pad printing and coding device further comprises a laser coding machine, a conveying component and a drying component. The conveying component comprises a motor, a transmission case, a main chain wheel, a chain and an auxiliary chain wheel. The chain is fixedly provided with multiple fixing seats. Locating blocks are connected to the fixing seats. Brackets are connected to the locating blocks, and the brackets are provided with mold grooves. The side wall of the transmission case is provided with a pad printing locating piece and a coding locating piece. Each locating block is provided with a left groove and a right groove. One end of the transmission case is provided with an infrared sensor. A motor shaft of the motor is sleeved with a wheel disk. Three sensing columns are distributed on the wheel disk. The infrared sensor, the pad printing machine and the laser coding machine are electrically connected with the PLC controller. The continuous type pad printing and coding device conducts continuous pad printing and coding operations on printed objects on a large scale and greatly improves the production efficiency; and pad printing and coding are clearer, the precision is high, the manufactured products are free from fading after being used for a long time and high in recognition capacity.

The invention relates to a deflecting optical wedge scanning device. The device comprises an optical wedge and picture frame assembly, an angle encoder, a horizontal rotating shaft, a working table and a driving control system, wherein the optical wedge and picture frame assembly consists of a wedged cushion block, an optical wedge, an elastic block, an optical wedge pressing plate, a picture frame and an O-shaped washer; the horizontal rotating shaft is divided into a left section and a right section which are positioned on the two sides of the picture frame respectively; the right end of the right section of the horizontal rotating shaft is fixed with the angle encoder; a first module consists of a linear motor, a horizontal guide rail, a horizontal slide block, a horizontal connecting block, a cover plate and a grating ruler; a second module consists of a double end threaded stud, a joint bearing and a single end threaded stud; a third module consists of a vertical guide rail, a vertical slide block, a picture frame connecting plate and an L-shaped plate; and the driving control system consists of a computer, an input/output control circuit, a step motor driver and a signal processing and control circuit, and can realize open loop or closed loop control. In the device, small-angle precise swinging of the optical wedge device is realized through traction of the slide block, so the motion control accuracy is improved. The device can be individually used or two devices can be combined for use, so the requirements of scanning and positioning in different directions can be met.

The invention relates to a leechee enucleating and peeling machine which includes the delivering and locating mechanism, enucleating mechanism, peeling mechanism and driving device; it can complete delivering, locating, enucleating, peeling and retreating at the same time by only one set of power so that it does slight damage to the sarcocarp during processing with a low loss rate;the cutter axis can make rotary motion and reciprocation motion at the same time; the device with very simple structure works very smoothly; what's more, the number of the enucleating and peeling devices can be changed freely and several devices can be drived by one set of power so that the device can meet the processing needs of different scales.

A rail-type reciprocating conveying trolley comprises a left guide rail, a right guide rail, a trolley body, a mooring anchor point, a pulley and a power device, wherein the left guide rail and the right guide rail are fixed to the ground in parallel, the trolley body is arranged on the left guide rail and the right guide rail through trolley wheels in a rolling mode, the mooring anchor point is fixed to the rear end of the left guide rail and the rear end of the right guide rail, the pulley is installed on the mooring anchoring point through a lug base, and the power device is arranged at the front end of the left guide rail and the front end of the right guide rail. One end of a steel wire rope I is fixed to the front side of the trolley body and the other end of the steel wire rope I is fixed to the power device. One end of a steel wire rope II is wound around the pulley and fixed to the rear side of the trolley body and the other end of the steel wire rope II is fixed to the power device. The power device drives the steel wire rope I or the steel wire rope II to move. The power device drives the steel wire rope I to pull the trolley body to move forwards along the left guide rail and the right guide rail. When the trolley body moves to the forefront end, the power device drives the steel wire rope II to operate; after the steel wire rope II is wound around the pulley, the trolley body is pulled to move backwards, and therefore reciprocating movement of the trolley body is achieved. Efficiency is improved, and manpower is saved.

The invention discloses a self-cleaning vibrating cloth bag dust collector, which comprises a dust removal box body, a cleaning box body is fixed on the top of the dust removal box body, horizontally distributed cloth bag fixing frames are vertically fixed on the side wall of the dust removal box body, the dust removal box body and cleaning The boxes are separated by a cloth bag fixing frame. The bag fixing frame is sealed and fixed with a dust removal bag. The bag support frame is set in the dust removal bag. The air inlet channel is fixed at the entrance of the flue gas, the bottom of the dust bag is fixed with a first snap ring, the outer surface of the side wall of the dust removal box is covered with a fixed bearing ring, and the bottom of the bearing ring is vertically and evenly distributed with four supporting columns , a motor is fixed on the surface of the bearing ring. The present invention is provided with a vibrating frame, which is connected to the dust-removing cloth bag through a buffering and pulling mechanism, and the reciprocating motion of the vibrating frame drives the reciprocating vibration of the dust-removing cloth bag, and the vibration amplitude is relatively large, which can safely realize the self-cleaning ability of the dust-removing cloth bag.

The invention belongs to the technical field of organic fertilizer production, in particular to a liquid organic fertilizer production fermentation device, which comprises a fermentation tank, a heatpreservation device, a stirring device and a power device. On the one hand, the stirring device is driven by the power device, and a stirring spring in the stirring device makes a rotary motion to drive a stirring module to fluctuate up and down to stir a fermented material; meanwhile, a pneumatic module in the stirring device moves to enhance the stirring effect and drive a synchronous pulley inthe power device to move left and right, and the synchronous pulley moves left and right and then drives the stirring spring in the stirring device to move left right to enhance the stirring effect; on the other hand, the stirring module in the stirring device heats the fermented material, and the heat preservation device wraps the fermentation tank to provide the fermentation tank with a suitabletemperature required by fermentation, the wall of a through hole in the stirring module is curved, thereby increasing the contact area to accelerate heat dissipation, and mixed liquid in the fermentation tank flows through the through hole to generate a shock fermentation process, thereby improving the production efficiency.

The invention discloses a mechanical pineapple peeling machine which comprises a machine frame. A positioning clamp and a black core removing structure are arranged on the machine frame. Two opposite pineapple insertion tables are arranged on the opposite sides of the machine frame. One pineapple insertion table is telescopic and is connected with a gear shifting mechanism through a main transmission mechanism, the gear shifting mechanism is connected with a handle and a black core removal transmission mechanism, the main transmission mechanism is connected with a peeling transmission mechanism, the peeling transmission mechanism is connected with a lead screw a, the lead screw a is connected with a peeling adjustable cutter, the positioning clamp and the peeling adjustable cutter are located between the two opposite pineapple insertion tables, the black core removal transmission mechanism is connected with the black core removing structure, and the black core removing structure is opposite to the peeling adjustable cutter. The mechanical pineapple peeling machine completes the peeling step and the black core removing step through one-time clamping, and pineapple peeling efficiency is greatly improved.

The invention relates to an escapement-type escape device for high-rise buildings, comprising an escapement and a vibration system, wherein the escapement comprises a ratchet wheel and a pawl; a principal shaft penetrates through the central hole of the ratchet wheel; the pawl is connected with two sides of the ratchet wheel by a hinge pin; the vibration system comprises a flywheel, a torsional spring and a driving plate; the flywheel is in power link with the ratchet wheel by the pawl; the torsional spring winds at the central shafts of the flywheel and the driving plate; the driving plate is in power link with the principal shaft by the pawl; a rope is nested in a rope groove of the principal shaft; and a pressing wheel is fixed outside of the ratchet wheel by a pressing wheel frame. Stopping and moving movement with fixed descending period of people is realized by the escapement vibration system with constant period and continuous vibration and ultimately the highest descending speed of people is controlled. The escape device has the advantages of small volume, low manufacturing cost and low manufacturing technology difficulty and the characteristics of controllable slow descending speed, reciprocating motion, convenience for installation and the like.

The invention provides a space cam for a slot machine transmission mechanism. An advancing spiral groove and a returning spiral groove are formed in the outer circumferential wall of a cam body and opposite in rotating direction and communicate with each other at the intersection of two ends. A stepped outer circumferential wall at one end of the cam body makes contact with a cam follower I arranged on a cutter bar shaft seat, and an arc-shaped protrusion is formed on a stepped outer circumferential wall at one end of the cam body. The advancing spiral groove and the returning spiral groove are matched with the cam follower fixed to a cutter bar shaft. A rotating shaft fixedly connected with the cam body drives the cam body to rotate so that the cam follower moves along the advancing spiral groove and the returning spiral groove to realize linear reciprocating motion of the cutter bar shaft afterwards. The space cam greatly simplifies a conversion structure of rotary motion and linearreciprocating motion; the arc-shaped protrusion acts on the cam follower I to finish the periodic swinging of cutter receding during slot processing; and the space cam is convenient and fast to install, small in occupied space and high in working reliability and use value.

The invention provides a track-deformable robot moving platform for a dangerous hazard site environment. The track-deformable robot moving platform for the dangerous hazard site environment comprisesa robot body, two passive self-adapting track modules and an information acquiring module, wherein each passive self-adaptive track module comprises a track, a passive self-adapting mechanism, four fixing supporting frames, three track driven wheels, four track bearing wheels and a track driving wheel; the fixing supporting frames are inverted Y-shaped frames, and every two fixing supporting frames form a group, and the two fixing supporting frames in each group are leftwards and rightwards symmetrically connected through corresponding connecting shafts; two track bearing wheels are correspondingly fixed to two end parts of Y shapes of the lower parts of the fixing supporting frames in each group through the corresponding connecting shafts; and one track driven wheel is fixed to the upperpart of each of the fixing supporting frames in each group through the corresponding connecting shaft. According to the moving platform, the shape of the tracks can be flexibly passively changed basedon the size of a barrier in the environment, and the contact area between the track and the barrier can be increased, and thus the barrier crossing capacity of the moving platform is improved.