101results about How to "Realize reciprocating swing" patented technology

The invention relates to a gantry type programmable control girth welding machine, which comprises an automatic control system, a transmission system, a jacking mechanism and a welding gun movement control mechanism, wherein the welding gun movement control mechanism comprises a transverse displacement device, a longitudinal lifting device and a swinging device. In the transmission system, a transmission shaft is provided with a spline and a spline gear, so a main shaft and the transmission system are engaged or disengaged, to manually rotate the welding piece without load. In the working piece jacking mechanism, the welding piece is subjected to flexible compression by an air cylinder pushing jacking needle, to realize the anti-loosening purpose. In the longitudinal lifting device, a stepping motor drives a screw rod to rotate, so the welding gun is lifted to the proper place. In the swinging device, the stepping motor drives a swinging screw rod to rotate forward and reversely, so the reciprocating swinging of the welding gun head is realized, and the technical defects in the existing gantry type programmable control girth welding machine are solved. The welding machine has the advantages that the automation degree is high, the welding quality is high, the operation is convenient, the safety and the reliability are realized, and the like.

The invention discloses a face cleaning instrument with floating regulation. The face cleaning instrument comprises a shell, a driving mechanism, a brushing head assembly, a floating part upper cover, an elastic floating device, a floating part connecting base and a transmission mechanism, wherein the floating part connecting base and the transmission mechanism are connected with the driving mechanism, and the floating part upper cover is provided with a floating ball movably connected with the floating part connecting base in a spherical pair mode; the transmission mechanism comprises a main transmission shaft, the upper end of the main transmission shaft is connected with the brushing head assembly in a transmission mode, and the lower end of the main transmission shaft penetrates a shaft hole in the middle of the floating ball in a rotatable mode and is connected with the driving mechanism in a transmission mode; the floating part upper cover is connected with the floating part connecting base through the elastic floating device, and the brushing head assembly is provided with passive freedom degree of lateral swinging with the floating part upper cover relative to the floating part connecting base with the floating ball as a center within a preset range by means of the elastic floating device. According to the face cleaning instrument, the brushing head assembly can conduct lateral swinging around the floating ball through a pressing effect matched with the outline of a human face, and the brushing head assembly can be restored so that it can be closely attached to facial skin adaptively, the flexible degree of the product is high, and an abrasion to the skin is prevented.

The invention discloses an eccentric translation type polishing grinding head. The eccentric translation type polishing grinding head comprises an eccentric wheel, a drive plate and oscillating bar mechanisms, wherein the eccentric wheel is connected with the drive plate, the geometric center of the eccentric wheel coincides with the geometric center of the drive plate, the gyration center of eccentric wheel is located at one side of the geometric center of the eccentric wheel, eccentric distance exists between the gyration center of the eccentric wheel and the geometric center of the eccentric wheel, a plurality of radial slots are arranged around the circumference of the drive plate, oscillating bar ball heads of the oscillating bar mechanisms are inserted into the radial slots, when theeccentric wheel rotates, the drive plate does not rotate but horizontally and circularly moves in a plane along an X axis and a Y axis, when the drive plate moves, each oscillating bar mechanism continuously circularly swings along the radial direction of the corresponding radial slot under the action of the side face of the corresponding radial slot and the corresponding oscillating bar ball head, and it is achieved that a grinding block connected to one end of each oscillating bar mechanism circularly swings. The eccentric translation type polishing grinding head and the polisher containingthe grinding head have the advantages that the structure is simple, it is achieved that when the grinding blocks revolve around the grinding heads, the grinding blocks can circularly swing at the same time, the grinding efficiency on ceramic tile is high, the operation is smooth and steady, and the reliability is high.

Steel pipe cleaning equipment comprises a steel pipe arrangement mechanism which can achieve gathering and neatening operation of a plurality of steel pipes and send the steel pipes outwards after sequentially lifting the steel pipes; the steel pipe conveying mechanism is arranged on one side of the steel pipe arrangement mechanism, can store the steel pipes sent out by the steel pipe arrangement mechanism and comprises a lifting platform, a plurality of conveying belt devices and a conveying motor device, each conveying belt device comprises a pair of conveying belt support plates and a conveying belt body, and a plurality of V-shaped supports capable of containing the steel pipes are arranged in the middle of each conveying belt body; the plurality of steel pipe supporting mechanisms are arranged in the lifting platform of the steel pipe conveying mechanism in a penetrating manner; the inner wall cleaning mechanism is arranged on the side, adjacent to the steel pipe arranging mechanism, of the steel pipe conveying mechanism and comprises a steel pipe rotating device, a steel pipe pressing device and a lifting spray head device. The steel pipe spraying mechanism is arranged on the upper portion of the steel pipe conveying mechanism. Automatic operation of clearing and discharging and conveying in the steel pipe cleaning process is achieved, the cleaning effect on the inner wall and the outer wall of the steel pipe is ideal, and the working efficiency is improved.

The invention discloses a high-efficiency air conditioner external unit. The high-efficiency air conditioner external unit comprises an external unit body and an external unit fan mounted on the external unit body, two symmetric cleaning mechanisms are mounted on the external unit body, each cleaning mechanism comprises a mounting plate fixed to the front end of the external unit body, the front end of each mounting plate is rotatably connected with a mounting shaft, the peripheral side walls of the mounting shafts are fixedly provided with fan blades, the front end of the external unit body is rotatably connected with a rotating shaft, and the rotating shaft and the mounting shafts are jointly sleeved with a belt. The external unit has the advantages that a swing plate continuously swings, a scraping rod can clean frost accumulated on the rear end of the external unit body in winter, and can clean dust accumulated on the rear end of the external unit body in summer, the ventilation position of the rear end of the external unit body is cleaner and free of shielding, the external unit fan can better work, the use effect of an air conditioner is better, and the property of the air conditioner cannot be affected by frosting and dust accumulation.

The invention provides a bionic tail fin capable of being used for overwater measuring equipment power. The bionic tail fin is mainly characterized in that transmission shafts in transmission connection with two sliding blocks connected to two guide rails are arranged in a tail fin shell, sliding block movement starting and stopping limiting pieces are arranged at the position, at the two ends of each sliding block, of each guide rail, photocoupling switch devices are arranged at the positions of the sliding block movement starting and stopping limiting pieces of each sliding block, the two ends of each sliding block are provided with light shading boards, one end of each guide rail is provided with an electromagnet, and the electromagnets are connected with an electric controller. The bionic tail fin has the beneficial effects of being environment-friendly, free of pollution, good in silencing effect, simple in structure, low in cost and long in service life, and the propelling efficiency and the energy-saving effect can be effectively improved. The bionic tail fin can be used for a system such as a small hydrographic survey vessel with the relatively high self-restraint time requirement, can also be used as a propelling system for a pure electric propelling ship and further can be used for certain special occasions, such as underwater acoustical signal collection, with the special requirements for the noise of the propelling system.

The invention discloses a device for sweeping accumulated snow in front of wheels in a running process of a vehicle. A first piston and a second piston are respectively arranged in an air cylinder, the first piston is provided with a first piston rod, the second piston is provided with a second piston rod, an incomplete gear is arranged at the side part of the first piston rod, a tailstock and a spring element are arranged at one end of the first piston rod, a rocker rod is arranged at one end of the second piston rod, a fixing rod is arranged on the outer side of the air cylinder, the rockerrod is hinged with the second piston rod, a driven rod is arranged between the fixing rod and the rocker rod, one end of the fixing rod is fixedly connected to the outer side of the air cylinder, theother end of the fixing rod is hinged with the end part of the driven rod, and one end of the driven rod is hinged on a rod arm of the rocker rod. Compared with the prior art, the device disclosed bythe invention has the advantages that the incomplete gear intermittently extrudes the first piston rod, the compression spring element is utilized for pushing the first piston rod to generate high pressure gas to act on the second piston rod, and by cooperating with the driven rod, reciprocating swing of the rocker rod is realized, the purpose of clearing the accumulated snow in front of the wheels is realized, and potential safety hazards of the vehicle running in a snowy day are reduced.

The invention discloses an ultrasonic assisted reciprocating swing roll to fixed roll hot-roll embossing device and method. The embossing device comprises a roll outlet mechanism, a first guide roller, a heating roller, a centering mold roller, a swing pressure roller module, a cooling device, a second guide roller, a third guide roller, a winding mechanism, a base belt and a polymer material. Theroll outlet mechanism is connected with the first guide roller; the heating roller is positioned above the first guide roller; the first guide roller is connected with the fixed mold roller; the swing pressure roller module is positioned under the fixed mold roller, and can swing around the fixed mold roller; the cooling device is positioned behind the fixed mold roller; the fixed mold roller isconnected with the second guide roller; the second guide roller is connected with the third guide roller; and the third guide roller is connected with the winding roller. A fixed pressure roller is improved as a swing pressure module, so that the defect of the fixed roller only pressing a fixed position is made up, and the embossing precision and the embossing efficiency are greatly improved.

The invention belongs to grown crop harvesting equipment, and particularly discloses vegetable harvesting equipment which comprises a vehicle. A conveying mechanism is arranged on the vehicle, a shovel blade is arranged at an end of the conveying mechanism, the end, which is far away from the conveying mechanism, of the shovel blade is inserted into soil, a collecting tank is connected with the end, which is far away from the shovel blade, of the conveying mechanism and is fixed to the upper end surface of the vehicle, a movable mechanism is arranged on the lower end surface of the vehicle andis connected with a motor for driving the movable mechanism, a root system collecting mechanism and a crushing mechanism are arranged in the vehicle, the root system collecting mechanism is used forconveying residual vegetable roots in the soil into the crushing mechanism, the crushing mechanism is used for crushing collected vegetable roots and discharging the vegetable roots onto the soil again, and the root system collecting mechanism and the crushing mechanism can be driven by the movable mechanism. The vegetable harvesting equipment has the advantage that the problem that Chinese cabbage roots remain in existing soil due to the fact that the Chinese vegetable roots are cut by existing harvesting machines in existing Chinese cabbage harvesting procedures can be solved by the aid of the vegetable harvesting equipment.

The invention provides a picking device for leek flowers. The device comprises a support frame; a motor mounting seat is welded on the support frame, and a servo motor is fixedly connected with the motor mounting seat by a bolt; the support frame is fixedly connected with a collecting box placing seat through a bolt, and a collecting box is placed on the collecting box placing seat. Through the cooperate arrangement of a rotating shaft, a gear and a fan-shaped gear, and the engagement of the fan-shaped gear and the gear, the rotation of the rotating shaft is realized, so that the forward swingof an acquisition box structure is realized, and therefore, manually driven forward swing of the acquisition box structure can be replaced, and the fatigue strength can be reduced during acquisitionof the leek flowers; through the arrangement of a reset structure, on the one hand, the swing angle of the acquisition box structure is limited; on the other hand, the acquisition box structure can bepulled to be reversely rotated and reset through the elastic action of a spring on the reset structure; moreover, through the cooperation between the reset structure and the rotating shaft, the gearand the fan-shaped gear, the reciprocating swing of the acquisition box structure can be realized, thereby replacing the back and forth swing of arms.

The invention relates to adjustable polishing equipment for plastic mould production. The adjustable polishing equipment for the plastic mould production comprises a box body, a polishing cylinder, anelectric motor, a stirring shaft, stirring blades, a transmission shaft, a screw rod, a first sliding block, a ball nut pair, a transmission gear, a chain, a driving machine, a driving shaft, a tooth-missing gear, a material blocking plate, a transmission rod, a transmission piece, a cam, a second sliding block, a guide sleeve and a second pin shaft, wherein the polishing cylinder is arranged onthe bottom end surface of the interior of the box body, the stirring shaft is rotationally connected into the box body through a bearing sleeve, and the stirring blades are arranged on the stirring shaft; the first sliding block is slidably connected into the box body, the transmission shaft and the driving shaft are rotationally connected into the box body separately, and the material blocking plate is rotationally connected into the box body; and the second pin shaft is arranged at the right end of the material blocking plate, and the cam is arranged on the transmission shaft. The adjustablepolishing equipment for the plastic mould production is excellent in structure, reasonable in design, operation is simple and convenient, contact area between materials and abrasives is increased, the polishing effect is improved, the polishing efficiency is improved, and wide application prospect and high creativity are achieved.

The invention relates to the technical field of bearing tests, and particularly discloses a wide-temperature-range four-dimensional drive joint bearing testing machine. The wide-temperature-range four-dimensional drive joint bearing testing machine at least comprises a machine body, a high-low temperature environment box, a testing unit positioned in the high-low temperature environment box, an X-axis loading assembly, an X-axis swinging assembly, a Z-axis loading assembly and a Z-axis swinging assembly. In the above structure, a to-be-tested bearing is simulated and tested in the sealing environment by arranging the high-low temperature environment box, the testing conditions under different temperatures can be simulated, so that the simulated testing contention is closer to a bearing running working status, and the testing result is more reliable; the testing machine is provided with a four-dimensional driving system composed of the X-axis loading assembly, the X-axis swinging assembly, the Z-axis loading assembly and the Z-axis swinging assembly, so that the testing working conditions demands of the joint bearing in two-dimensional swinging and two-dimensional push-pull load aremet.

The invention discloses a machining tool for accurate positioning of a thin-wall gear. The machining tool comprises a base plate and is characterized in that the base plate is fixedly connected with a vertical rod, the vertical rod is fixedly connected with a first electric push rod, a push rod end of the first electric push rod is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a square plate, the base plate is fixedly connected with a round block, the round block is fixedly connected with L-shaped plates at the lower side, the symmetrical L-shaped plates are fixedly connected with vertical plates correspondingly, the symmetrical L-shaped plates are separately and fixedly connected with a second ring, the symmetrical L-shaped plates are separately and fixedly connected with a fourth ring, the second ring is fixedly connected with one ends of a set of sixth round rods uniformly distributed in the circumferential direction, the other ends of the sixth round rods are fixedly connected with a fourth round plate, the square plate is fixedly connected with a punching mechanism, and the vertical plate is fixedly connected with a clamping mechanism. The invention relates to the field of gear machining equipment, and particularly relates to a machining tool for accurate positioning of a thin-wall gear. According to the machining tool, the machining of the thin-wall gears is facilitated.

The invention discloses a building direct drive type reciprocating motion sand screening device. The building direct drive type reciprocating motion sand screening device comprises a screen barrel, sealing end covers, an inner gear ring, supporting bases and a buffering base. The screen barrel is of a cylindrical structure. The sealing end covers are fixedly connected to the two ends of the screenbarrel. The top of the screen barrel is provided with a feeding port parallel to the axis of the screen barrel. The two pairs of supporting bases are arranged on the buffering base. Each supporting base is provided with a guiding wheel. A guiding wheel shaft is fixed to the circle center position of each guiding wheel. The guiding wheel shafts are arranged in U-shaped grooves formed in the supporting bases. The wheel faces of the guiding wheels make contact with the outer circumference faces of the sealing end covers. The building direct drive type reciprocating motion sand screening device has the beneficial effects that through designed proximity switches and mutual meshing between teeth, reciprocated swinging of the screen barrel is achieved, sand is screened, and the building direct drive type reciprocating motion sand screening device is simple in structure, convenient to operate and capable of improving the sand screening efficiency.

The invention provides a rapid medicine grinding device for department of pediatrics and a using method of the rapid medicine grinding device. The rapid medicine grinding device comprises a box body, a grinding disc and a grinding wheel are arranged in the box body, the grinding disc is provided with a second filter screen, the grinding wheel is rotatably connected to the bottom end of a rotating rod, the rotating rod is connected with a driving mechanism, the driving mechanism comprises a reciprocating rod, and the upper surface of the reciprocating rod is engaged with a tooth-missing gear; a rotating wheel is meshed with the lower surface of the reciprocating rod and is rotationally connected to the box body through a rotating shaft; the rotating rod is fixedly connected with the rotating shaft; the rapid medicine grinding device further comprises a pretreatment smashing mechanism which comprises a smashing box, one end of the reciprocating rod penetrates through the box wall of the smashing box, enters the smashing box and is connected with an extrusion plate, the extrusion plate is connected with a tension spring, and the other end of the tension spring is connected with the inner wall of the smashing box; and the rapid medicine grinding device further comprises an intermittent feeding mechanism for opening and closing a feeding port and a knocking dropping anti-blocking mechanism for preventing the second filter screen from being blocked and is linked with the reciprocating rod. The rapid medicine grinding device is simple in structure and ingenious in design, and has the advantages of being high in grinding efficiency, capable of achieving intermittent discharging and capable of achieving linkage anti-blocking.

The invention relates to a vertical efficient evaporation module for traditional Chinese medicine production, which comprises a rack, a liquid inlet device, a preheater, an evaporation chamber, a heater, a gas-liquid separator, a compressor unit, a condenser, a plate heat exchanger, a condensed alcohol tank and a related process pump, a heat conductor is also arranged between the heater and the evaporation chamber, the heat conductor comprises a spacer bush assembly, a heat insulation assembly, a pressurizing assembly, a circulating assembly and a discharging assembly, a stirring assembly is arranged in the evaporation chamber and comprises a plurality of groups of first swinging assemblies which are arranged in the evaporation chamber in the vertical direction at equal intervals and second swinging assemblies which are arranged corresponding to the first swinging assemblies and are arranged in a staggered and alternate manner, the technical problems that the temperature of liquid flowing back into the evaporation chamber in the gas-liquid separator is low, the temperature of liquid in the evaporation chamber is high, when the liquid and the liquid are mixed, the activity of part of functional factors in the liquid is influenced due to sudden change of heat conduction, and the product quality is reduced are solved.

The invention relates to the technical field of bearing tests, and particularly discloses a four-dimensional motion separation mechanism applied to a bearing test. The four-dimensional motion separation mechanism at least comprises a workbench, a bearing test tool, an inner ring follow-up assembly and an outer ring follow-up assembly. In the structure, an inner ring and an outer ring of a bearingto be tested are subjected to structure separation through a test shaft assembly and an outer ring fixing piece; reciprocating swing and axial push-pull load borne by the inner ring of the bearing tobe tested are separated through the inner ring follow-up assembly; deflection motion and radial push-pull load borne by the outer ring of the bearing to be tested are separated through the outer ringfollow-up assembly, thereby providing structural basis for test equipment of the joint bearing, allowing the bearing to be tested to realize swing in two dimensions and bear push-pull loads in two dimensions at the same time without interfering with each other, and making the simulation test of the joint bearing closer to the actual working condition; and the test result is more accurate and reliable.

The invention discloses a fertilizing device combining a humus fertilizer and a commercial chemical fertilizer. The device comprises a top plate. The device is characterized in that: the top plate isfixedly connected to a vertical plate, the vertical plate is fixedly connected to a transverse plate, the vertical plate is fixedly connected to a conical barrel, the top plate is fixedly connected toa round rod I, the top plate is fixedly connected to a square box, symmetrical storage grooves are formed in the square box, the square box is provided with symmetrical discharging ports, the symmetrical discharging ports are communicated with the corresponding storage grooves respectively, the conical barrel is provided with an upper groove opening and a discharging port, the transverse plate isfixedly connected to a U-shaped rail, the U-shaped rail is provided with a straight groove, the U-shaped rail is fixedly connected to a fixing plate, and the conical barrel is fixedly connected to afertilizing device. The invention relates to the field of agricultural equipment, in particular to the fertilizing device combining the humus fertilizer and the commercial chemical fertilizer. The device is convenient to combined fertilization.

The invention provides an agricultural sprinkling irrigation device based on the Internet of Things. The agricultural sprinkling irrigation device comprises a motor, a rotating shaft, an incomplete bevel gear, a driven bevel gear, a rotating rod, a connecting ring, a mounting cover, a torsional spring, a fixing frame, a connecting rod, a box body, a first connecting pipe, a liquid conveying pump, a second connecting pipe, a third connecting pipe and a liquid separation assembly. The motor is arranged on the box body and is in driving connection with the rotating shaft, the bottom end of the rotating shaft is connected with the incomplete bevel gear, the incomplete bevel gear is in intermittent meshing connection with the driven bevel gear, the driven bevel gear is arranged on the rotating rod, the incomplete bevel gear, the driven bevel gear and the rotating rod are all located on the inner side of the mounting cover, the connecting ring is arranged on the rotating rod, the torsion spring sleeves the peripheral side of the rotating rod, and the two ends of the torsion spring are correspondingly connected with the connecting ring and the fixing frame. The liquid separation assembly comprises a liquid separation pipe, a liquid outlet pipe and a nozzle. According to the agricultural sprinkling irrigation device based on the Internet of Things, pesticide and water can be mixed, and the uniformly mixed pesticide and water can be continuously sprayed out in the sprinkling irrigation process, so that crops at all positions grow and develop in a balanced mode.

The invention discloses an upper tray device for a fluid polishing machine. The upper tray device comprises an upper tray cross beam, a revolution mechanism, a carrying tray swing mechanism and a carrying tray autorotation mechanism. The revolution mechanism, the carrying tray swing mechanism and the carrying tray autorotation mechanism are mounted on the upper tray cross beam. The revolution mechanism comprises an upper tray revolution spindle, an upper tray revolution driving motor, a revolution drive belt pulley, an upper tray revolution driving belt pulley and an upper tray. The carrying tray swing mechanism comprises a swing assembly, a swing motor output gear, a swing driving motor, a swing input gear, a swing spindle, a swing output gear and a swing driven gear. The carrying tray autorotation mechanism comprises carrying trays, autorotation output shafts, couplings, autorotation input shafts, autorotation driven gears, autorotation driving gears and autorotation motors. By adoption of the upper tray device for the fluid polishing machine, workpieces can be clamped in place at a time, each surface can make good contact with a polishing medium so that the uniform relative speed can be obtained, the uniform removing amount of each machining surface can be guaranteed with the liquidity characteristic of the fluid medium, and the polishing efficiency of the workpieces is high.

The invention discloses a rotary valve core switching mechanism based on a cross limiting port. The rotary valve core switching mechanism comprises a valve core body and a limiting sleeve, and the outside surface of the right end of the valve core body is fixedly connected with limiting shoulders; one side of each limiting shoulder is provided with a first arc incision, a second arc incision, an annular plane incision and a cross limiting incision separately; and the outside surfaces of other shoulders are provided with radial arc incisions. The invention relates to the technical field of hydraulic valves. According to the rotary valve core switching mechanism based on the cross limiting port, the purpose of enabling the hydraulic valve to work in an excitation mode and a proportional reversing mode is achieved properly, and the operating requirements of a complex hydraulic system with the requirements for proportional reversing and excitation as well as a certain control accuracy and dynamic characteristic are met properly; and through improvement of a hydraulic valve core switching mechanism, people can further control the proportion of hydraulic media for reversing operation properly while regulating the vibration frequency and vibration amplitude of the hydraulic valve conveniently.

The invention discloses a high-speed carrying robot. The high-speed carrying robot comprises a suspension structure, a large arm structure and a small arm structure; the suspension structure is provided with a displacement adjusting structure; an angle adjusting structure is arranged at the upper part of the displacement adjusting structure; the upper end of the large arm structure is arranged onthe angle adjusting structure; the lower end of the large arm structure is arranged on the displacement adjusting structure; the angle adjusting structure drives the upper end of the large arm structure to perform a swing motion and the lower end of the large arm structure to slide and rotate along the displacement adjusting structure; the end part of the lower end of the large arm structure is connected with the small arm structure; the small arm structure comprises a first rotating structure; the first rotating structure is connected with a second rotating structure; the second rotating structure is connected with a third rotating structure; and the third rotating structure is connected with an end picker structure. Through linkage of all shaft parts, the coordinative reciprocating swingof the large arm and the small arm of the high-speed carrying robot is realized, and the high-speed and high-load stable conveying of plates between presses is achieved.

The invention discloses a scanning device for a laser radar, a control method of the scanning device and the laser radar. The scanning device comprises a resonance motor and a scanning mirror, wherein the resonant motor comprises a rotor and a stator; the rotor deflects from a balance position to a preset position around a rotating shaft; the stator comprises a return assembly which is suitable for enabling the rotor to return to the balance position around the rotating shaft; the scanning mirror is suitable for reflecting a light beam and carrying out optical scanning; and the scanning mirror is connected with the resonance motor so as to realize reciprocating swing of the scanning mirror. According to the scanning device, higher-frequency and larger-amplitude reciprocating swing of the scanning mirror can be realized with relatively lower driving power, low-power-consumption and large-angle reciprocating swing of the scanning mirror at a certain frequency can be realized, and the problem that the scanning view field range of a laser radar is limited due to the fact that the size of the scanning mirror is too small can be solved.

The invention relates to an asphalt waste gas purification system which comprises a spraying tower, the spraying tower is coaxially and rotatably connected with a supporting pipe, a gas inlet is formed in the side wall of the lower portion of the spraying tower, the spraying tower is provided with a driving part for driving the supporting pipe to rotate around the axis of the supporting pipe, and the spraying tower is provided with a liquid supply assembly for supplying liquid to the supporting pipe; the supporting pipe is fixedly connected with a rotary spraying frame; the rotary spraying frame comprises a plurality of mounting rods fixedly connected to the supporting pipe, the mounting rods are distributed in the circumferential direction of the supporting pipe, the supporting pipe and the mounting rods are each provided with a liquid flowing channel and are communicated with one another, and each mounting rod is connected with a plurality of atomizing nozzles; the atomizing nozzles are communicated with the liquid flowing channels of the mounting rods; the atomizing nozzles are distributed in the length direction of the mounting rods; and an air outlet is formed in the top wall of the spraying tower. The device has the advantage of improving the settling effect of particulate matters in the asphalt waste gas.

The invention relates to the technical field of constructional engineering, and discloses mixing and stirring equipment for constructional engineering. The mixing and stirring equipment comprises a box body, wherein the top of the box body is fixedly connected with a screen drum; the top of the screen drum is movably connected with a top cover; the bottom of the box body is fixedly connected with a motor; the output end of the motor is welded with a rotary shaft; a planetary gear set is arranged on the surface of the rotary shaft; the surface of the planetary gear set is movably connected with a rotary plate; a scraping mechanism is arranged on the bottom of the rotary plate; the inner wall of the box body is welded with a limiting rod; the surface of the rotary shaft is welded with a plurality of stirring rods; and the surface of the rotary shaft is rotatably connected with a transmission rod. According to the mixing and stirring equipment disclosed by the invention, sand can be rolled through a rotary pressure roller, so that sand which is caked due to water is dispersed; and meanwhile, a heating tube in the pressure roller can dry soaked sand, so that the sand is prevented from being adhered into screen holes due to water, and therefore, a screen is prevented from being blocked, and screening of sand is prevented from being affected.

The invention relates to the field of photovoltaic power generation, in particular to a photovoltaic anchoring pile driver which comprises a stand column and a spiral drill rod which are arranged on a machine body, a mounting block is fixedly connected to the side wall of the stand column, a round hole is formed in the side wall of the mounting block, and the spiral drill rod is inserted into the round hole. According to the photovoltaic anchoring pile driver, soil which is rotationally excavated every time can be pushed to the outer side from the side wall of a hole, the soil is prevented from falling into the hole again, the drilling efficiency and effect are guaranteed, meanwhile, the soil which is rotationally excavated every time can be sequentially pushed to the outer side according to the layers of the soil, the soil layer structure of the soil can be conveniently observed, and when the soil needs to be detected, the detection efficiency is improved. The soil sampling device is simple in structure and convenient to use, stratified sampling of soil is facilitated, in the bulldozing process, the push plate can swing left and right in a reciprocating mode, weeds and the like on the earth surface can be cleaned, the use effect is better, the push plate can be prevented from being blocked by stones and the like through reciprocating swing of the push plate, and the normal use effect is guaranteed.

The invention discloses a collection and protection device for microbial nucleic acid samples, and belongs to the technical field of microbial scientific research instruments. The collection and protection device comprises a sampling head and a protection shell, wherein a supporting base is fixedly installed at the bottom of the protection shell, an arc-shaped rod is fixedly connected to the inner wall of the protection shell, the arc-shaped rod is sleeved with an arc-shaped block connected with the arc-shaped rod in a sliding mode, first springs are fixedly connected between the two sides of the arc-shaped block and the inner walls of the protective shell, the arc-shaped rod is sleeved with the two first springs, a driving mechanism is arranged between the arc-shaped block and the inner bottom of the protection shell, a supporting block is fixedly connected to the upper end of the arc-shaped block, and a mixing pipe is arranged above the supporting block. According to the device, a clean and sanitary environment can be provided for the samples, so that the samples are not easily influenced by the external environment, meanwhile, the mixing pipe and a liquid injection pipe can be protected, so that the mixing pipe and the liquid injection pipe are not easily damaged, and meanwhile, the samples and the microbial nucleic acid protection liquid can be fully and uniformly mixed.

The invention discloses a waste diatomite drying system. The waste diatomite drying system comprises a mixed sludge tank, wherein a multi-disc screw press sludge dewatering machine is connected with asludge outlet of the mixed sludge tank, a buffer bin is connected with a residue outlet of the multi-disc screw press sludge dewatering machine, a waste water tank is connected with a water outlet ofthe multi-disc screw press sludge dewatering machine, the buffer bin is connected with a low-temperature dehumidification drying machine by a screw conveyor, the low-temperature dehumidification drying machine comprises a strip cutting machine, a heat preservation box and a dehumidification heat pump, a discharging port of the screw conveyor is connected with a feeding port of the strip cutting machine, a discharging port of the strip cutting machine is connected with the heat preservation box body, an upper-layer mesh belt conveyor and a lower-layer mesh belt conveyor are arranged in the heat preservation box body, the heat preservation box is provided with a discharge port, the top of the heat preservation box is provided with exhaust ports, the bottom of the heat preservation box is provided with air inlets, and the exhaust ports and the air inlets are connected with the dehumidification heat pump. The waste diatomite drying system has the following advantages and effects that dry-wet separation can be efficiently achieved, no tail gas is generated during the handling process, and the waste diatomite drying system is environmental-friendly and is low in fault rate and high in stability.

The invention discloses a movable water-saving irrigation nozzle and an irrigation method. The movable water-saving irrigation nozzle comprises a nozzle mechanism and is characterized in that the nozzle mechanism comprises symmetrical U-shaped groove plates, the symmetrical U-shaped groove plates are fixedly connected with square plates respectively, the symmetrical square plates are provided with symmetrical guide grooves respectively, and the symmetrical square plates are fixedly connected with two sets of symmetrical connecting rods respectively. Each connecting rod is fixedly connected with a semicircular track, the symmetrical square plates are fixedly connected with third motors respectively, output shafts of the symmetrical third motors penetrate through the corresponding square plates respectively, the output shafts of the symmetrical third motors are fixedly connected with round rods of L-shaped rods respectively, and the symmetrical L-shaped rods are fixedly connected with sixth round rods respectively. The invention relates to the field of irrigation equipment, in particular to a movable water-saving irrigation nozzle and an irrigation method. The technical problem to be solved by the invention is to provide the movable water-saving irrigation nozzle and the irrigation method, which facilitate tree irrigation.