19results about How to "Guaranteed synchronous rotation" patented technology

The utility model discloses a mask bag sealing device, which belongs to the technical field of mask production and comprises a conveying frame, a first conveying belt is arranged at one end of the conveying frame, a second conveying belt is arranged at the other end of the conveying frame, a rotating roller is rotatably arranged in the middle of the conveying frame, and a driving component is arranged on the outer side of the conveying frame. A hot pressing assembly used for sealing is arranged on the inner side of the conveying frame. The mask bag hot-pressing device has the advantages that by arranging the hollow rotating shaft, the connecting shaft, the hot-pressing roller, the positioning bolt and the multiple positioning holes, a worker can adjust the position of the hot-pressing roller conveniently, so that when mask bags of different sizes are conveyed on the conveying belt, the position of the hot-pressing roller relative to the mask bags is adjusted, and the mask bags are conveyed more accurately. And the mask bags with different sizes can be subjected to hot-press sealing.

The invention discloses a gas filtering device for a magnetic reactor, which relates to the technical field of gas filtering and comprises a base, an intermediate frame is arranged on the base, an absorption box is installed on the upper side of the intermediate frame, an absorption barrel is arranged at one end of the absorption box, a recovery barrel is arranged at the other end of the absorption box, an air inlet pipe is arranged at the front of the absorption box, a docking mechanism is arranged in the absorption box, one end of the absorption box is rotatably installed with the intermediate frame, a pitch adjustment mechanism is arranged between the other end of the absorption box and the intermediate frame, a dust removal box is arranged at the bottom of the intermediate frame, the dust removal box is connected with the absorption box through a corrugated pipe, and a dust removal mechanism is arranged in the dust removal box; the rotating cylinder is movably installed through the docking mechanism, so that aggregate is turned over in the absorption box, so as to realize efficient adsorption treatment of the gas, and at the same time, the discharged gas is dust-removed in combination with the dust removal mechanism, so as to improve the gas discharge quality.

An installation device for a power distribution cabinet wire hole plugging structure comprises a main body, the main body is of a disc-shaped structure, a sun gear located in the center and a plurality of planetary pinions located on the periphery are installed in the main body, and planetary pinion shafts of the planetary pinions penetrate downwards to the outside of the bottom of the main body. And an inner hexagonal joint is arranged at the lower end of the planetary pinion shaft. By adopting the structure, the purpose of quickly and stably installing the variable-diameter plug in the wire hole of the power distribution cabinet is achieved.

The application discloses an automatic Blaine viscosity detection device for water-based color paste production, comprising a Blaine viscosity detection controller, and relates to the technical field of water-based color paste detection. The automatic Blaine viscosity detection device for water-based color paste production can stably realize double-mode free switching of multi-sample synchronous detection and single-sample multi-point detection, comprehensively improves detection efficiency and data reliability, and is equipped with a detection frame mechanism and three independent torque sensors, can simultaneously detect three kinds of water-based color paste in parallel, shortens batch detection time, can realize three-point synchronous detection in the same sample cylinder, effectively avoids random errors caused by single-point detection, and can guarantee synchronous rotation of three rotors, stably and efficiently transmits power, and can fully meet the diversified viscosity detection requirements in water-based color paste production.

This utility model discloses a multi-stage centrifugal pump guide vane assembly and a multi-stage centrifugal pump, including a centrifugal pump body. The centrifugal pump body is generally divided into a motor and an impeller mechanism. A drive shaft is fitted and connected to the end of the motor near the impeller mechanism, and a reinforcing sleeve is fitted and connected to the outer side of the drive shaft. An impeller shaft is fitted and connected to the end of the impeller mechanism near the motor. A threaded sleeve is fixedly installed on the outer surface of the impeller shaft, and a connection port is opened on the inner side of the threaded sleeve. A plug is fixedly connected to the end of the drive shaft near the impeller shaft. The reinforcing sleeve has a connecting thread inside. By setting the drive shaft, impeller shaft, and connection port, this device improves the power transmission efficiency and simplifies the docking and installation process between the motor and the impeller mechanism. Furthermore, by setting the reinforcing sleeve, limiting sleeve, and retaining ring, the connection stability between the drive shaft and the impeller shaft is enhanced by limiting the axial displacement of the retaining ring after docking.

This utility model relates to the field of crushing and pulverizing technology, and particularly to a multi-stage rotary crushing and pulverizing machine. It includes a support frame, a processing shell fixedly mounted on the upper end of the support frame, a discharge shell fixedly mounted on the lower end face of the processing shell, and two sets of crushing rollers symmetrically mounted within the processing shell. A first drive motor is fixedly mounted on one end of the processing shell, and a linkage assembly connecting the two sets of crushing rollers is provided at the other end of the processing shell. A pulverizing shell is detachably mounted on the lower end face of the discharge shell. This application, by setting a multi-stage pulverizing structure, including two sets of crushing rollers, two sets of main pulverizing rollers, and several auxiliary pulverizing rollers, enables multiple crushing and pulverizing processes on materials, greatly improving the pulverizing effect. The material is subjected to different forces at different pulverizing stages, such as compression, shearing, and rotary cutting, ensuring that the material is fully pulverized and meeting the needs of different industrial production and resource recycling.

The utility model relates to the field of industrial smelting, and discloses a stokehole transfer trolley for receiving molten iron, which can realize more flexible mobility in a complex factory layout, and also has the capability of adjusting in horizontal and vertical directions, so that the molten iron can be treated more safely and more efficiently. The stokehole transfer trolley comprises a first moving mechanism, a second moving mechanism, a roller transmission mechanism and a ladle. The first moving mechanism is arranged at the bottom of the stokehole transfer trolley and is configured to enable the stokehole transfer trolley to move in the x direction. The second moving mechanism is arranged above the first moving mechanism, the roller transmission mechanism is arranged above the second moving mechanism, the second moving mechanism is configured to move and drive the roller transmission mechanism to translate in the y direction, and the ladle is placed on the roller transmission mechanism; the roller transmission mechanism is configured to drive the roller to rotate so that the ladle can advance or retreat on the roller transmission mechanism.

The utility model relates to the field of electroplating related products, in particular to an electroplating hanging plate convenient to adjust, which comprises a moving frame, a screw rod is rotatably connected to the top end of the moving frame, and threads are formed on the surface of the screw rod; during adjustment, by arranging the movable mounting blocks, the hooks can be driven to move to any position, the distance between every two adjacent hooks can be adjusted conveniently, under the action of the bolts, the movable plates and the fixing rods, the adjusted round rods and the mounting blocks can be fixed conveniently, the use stability after the positions of the hooks are adjusted is guaranteed, and meanwhile, the use safety is improved. When the number of the hooks installed on the fixing plate needs to be reduced, the rotating connecting plate is arranged to drive the fixing rod, the moving plate and the bolt to rotate synchronously, so that the bolt, the moving plate and the fixing rod are separated from the fixing plate, and the reasonability of the number of the hooks installed on the fixing plate during use of the device is guaranteed; therefore, the distance between every two adjacent hooks can be better regulated and controlled, and the uniformity of a surface plating layer of a plating piece during electroplating is guaranteed.

The utility model discloses a lifting material rack for seamless steel tube packing production line, including production line base and a plurality of connecting plates arranged in the production line base, the right side of production line base is provided with a lifting frame, one side of the top of the lifting frame is provided with a support plate, the support plate is provided with a motor, and the motor is provided with a motor. A pair of fixing plates is arranged at the top of the lifting frame, chain wheels are arranged on the inner sides of the fixing plates correspondingly, connecting rods are arranged between the chain wheels, lifting chains are arranged on the chain wheels, lifting connecting pieces are arranged at one ends of the lifting chains, and lifting plates are arranged on the front faces of the lifting connecting pieces; according to the lifting device, the transportation task of seamless steel pipe packaging stacks can be efficiently and stably completed, manual carrying is not needed, manpower is saved, and meanwhile the production efficiency and the operation safety can be improved.

The utility model discloses a filter cloth production pressing mechanism which comprises a base, a pair of supporting plates are arranged on the upper wall of the base, a lower roller shaft is rotationally installed between the supporting plates, an upper roller shaft is arranged above the lower roller shaft, and pressing rollers are installed on the lower roller shaft and the upper roller shaft. The telescopic end of an electric push rod in the adjusting assembly is fixedly connected with a connecting frame of the sliding box, the vertical position of the sliding box can be accurately adjusted by controlling stretching and retracting of the electric push rod, then an upper roller shaft is driven to move vertically, the distance between the upper roller shaft and a lower roller shaft is adjusted, and use of filter cloth with different thicknesses is met; a transmission shaft in a main shaft in the driving assembly is meshed with a second transmission gear of the upper roll shaft through a second driving gear, power is transmitted to the upper roll shaft, the transmission mode ensures that the upper roll shaft and the lower roll shaft can still rotate relatively after the distance is adjusted, the stability of power transmission is ensured, the pressing effect is improved, and the production quality is ensured.

The utility model relates to the field of anchoring of a landing stage, in particular to an anchoring device applied to the landing stage. The anchoring device comprises an anchoring pile, a rotating shaft and a tightening disc. The anchoring piles are installed on the water bank side. The rotating shaft is rotationally arranged on the anchoring pile, and the axis of the rotating shaft is horizontally arranged and parallel to the water bank line. The at least two tightening discs are arranged on the rotating shaft in the axis direction of the rotating shaft at intervals, and the tightening discs are used for winding and unwinding an anchor chain connected to the landing stage. According to the utility model, the stability of the landing stage is ensured in the process of taking up and paying off the anchor chain, and the taking-up and paying-off efficiency of the anchor chain is improved.

The utility model discloses a plate servo bidirectional centering positioning device which comprises a base, a shell is fixedly installed at the upper end of the base, a plurality of first openings are symmetrically formed in the upper end of the shell, and a first retainer plate is slidably connected into every two first openings on the same side; a first control mechanism used for controlling the two first material supporting plates to move oppositely or reversely is arranged between the front end and the rear end of the base. A plurality of second openings are symmetrically formed in the upper end of the shell, and two second material supporting plates are slidably connected to the inner sides of the two second openings on the same side. According to the utility model, the plates are synchronously positioned and centered in two directions of length and width, the accuracy is high, the efficiency is improved, large-stroke centering can be carried out, the specification application range of the plates is enlarged, and a plurality of plates can be freely combined, and are accurate and efficient.

The utility model relates to the technical field of pile drivers, in particular to a clamp and a vibration pile driving device for an excavator. The clamp comprises a first mounting plate and a second mounting plate which are arranged in a spaced mode, a first clamping piece is hinged to one end of the first mounting plate and one end of the second mounting plate, a second clamping piece is hinged to the other end of the first mounting plate and the other end of the second mounting plate, the first clamping piece is provided with a first clamping part, and the second clamping piece is provided with a second clamping part. Each of the first clamping part and the second clamping part is provided with a clamping position, a closing position or an opening position; the hydraulic cylinder controls the first clamping part and the second clamping part to be located at a clamping position, a closing position or an opening position; the ends, away from the first clamping piece and the second clamping piece, of the first mounting plate and the second mounting plate are connected through a fixing piece, and a support is arranged on the fixing piece. According to the clamp, the pile can be grabbed, manual grabbing is avoided, the labor cost is saved, and the operation safety and the operation efficiency are improved.

The utility model relates to a spinning winding machine which comprises a rack and a plurality of box bodies arranged on the rack, driving mechanisms are arranged in the box bodies, the output ends of the driving mechanisms extend out of the box bodies and are in transmission connection with winding shafts, the winding shafts are perpendicular to the box bodies, and a push-out rod and a pressing cylinder are arranged at the two ends of each winding shaft correspondingly. A bobbin is arranged between the push-out rod and the pressing barrel and arranged on the winding shaft in a sleeving mode, one end of the push-out rod is an inclined face and can be inserted between the bobbin and the box body and eject the bobbin out of the winding shaft, a lead mechanism is arranged on the side face of the winding shaft, and an oiling mechanism is arranged below the winding shaft. The push-out rod and the pressing cylinder are arranged at the two ends of the winding shaft, meanwhile, the inclined face is arranged at the end of the push-out rod, the bobbin with wound yarn can be ejected out through the push-out rod, replacement is convenient, the yarn guiding mechanism is arranged on the side face of the winding shaft, the yarn can be driven to move through the yarn guiding mechanism, it is guaranteed that the yarn is evenly wound on the bobbin, and the yarn quality is improved. And the winding effect is ensured.

The invention discloses a double-line wide-width seeding device, comprising a housing, a seeding wheel group, a front stopper, a first adjustment arc plate, a second adjustment arc plate, a seeding tube, a first switch plug plate and a second switch plug plate, wherein an inner partition separates the inner cavity of the housing into two seeding cavities, and the front stopper is installed at the front of the top opening of the housing; the seeding wheel group comprises a first seeding wheel and a second seeding wheel which are coaxially arranged identically, and seeding plates are evenly distributed on the circumference of the outer cylindrical wall of the first seeding wheel; the seeding wheel group can be rotatably installed in an arc slot hole installed at the upper part of the housing, and the first adjustment arc plate and the second adjustment arc plate are respectively arranged at the lower part of the first seeding wheel and the second seeding wheel, and can adjust the seeding gap; the first switch plug plate and the second switch plug plate are arranged in a sliding groove opened at the top of the housing; and the two seeding cavities are respectively connected to independent seeding tubes. The double-line wide-width seeding device and the working method thereof of the invention have uniform seeding and are suitable for wide-width uniform sowing and planting.

The utility model relates to the technical field of commutators, and discloses a commutator with a positioning function, which comprises a commutator main body, and further comprises a first flexible bushing fixed on the inner wall of the commutator main body, and a second flexible bushing fixed on the inner wall of the commutator main body, the positioning mechanism is fixed at the tail end of the commutator main body, and the positioning mechanism comprises a positioning flange and a positioning sleeve which is fixed on the positioning flange and coincides with the axial lead of the positioning flange; the multiple arc-shaped elastic pieces are fixed to the positioning sleeve at equal intervals in the circumferential direction; the second flexible lining is fixed on the inner wall of the arc-shaped elastic sheet; through the arrangement of the first flexible bushing and the positioning mechanism, the commutator main body can be reliably positioned during installation, the installation stability of the commutator main body is improved, the position deviation caused by processing precision or too long operation time is eliminated, and the axial lead of the commutator main body and the axial lead of the motor armature are always kept consistent.

The present invention relates to a folding hinge, a folding hinge mechanism and a mobile terminal, which are based on a folding hinge design, wherein the folding hinge includes a mounting base, and flip assemblies are symmetrically arranged on the left and right sides of the mounting base; a synchronous transmission gear set is arranged on the mounting base for synchronous rotation of the flip assemblies on both sides; the flip assembly includes a driving plate, a first flip plate, a second flip plate and a damping member for forming damped rotation when the flip assembly flips; the lower end of the first flip plate is rotatably connected to the mounting base, and the upper end of the first flip plate is rotatably connected to the driving plate; the second flip plate forms a sliding compensation fit with the driving plate; a guide slide groove is arranged on the first flip plate; and a limiter slidably matched with the guide slide groove is arranged on the second flip plate. The present invention can provide a larger accommodating space for the folding portion of the folding screen, reduce or avoid extrusion and collision caused by the folding portion of the folding screen, and at the same time, it can realize an anti-interference avoidance action during the folding process.

The invention discloses a large-size angle dial error calibration device and calibration method. The system comprises a scribed line sighting device, a standard angle generating device, a concentric positioning device and a control system. According to the calibration device disclosed by the invention, the large-view and high-definition electron microscope with the display screen is adopted as the core of the scribed line sighting device, so that the reading error is reduced, and the accuracy and reliability of the measurement result are ensured. According to the calibration method disclosed by the invention, a traceability mode of transmitting angle measurement to angle is adopted, the actual use working condition of the measured angle dial can be completely simulated, and the measurement precision and the detection efficiency are improved.

The spiral bevel gear convenient to install comprises a rotating shaft, a limiting baffle disc is fixedly connected to the middle end of the outer surface of the rotating shaft, a gear body is movably connected between the top of the limiting baffle disc and the outer surface of the rotating shaft, and clamping grooves are formed in the two ends of the top of the gear body. And the middle end of the top of the rotating shaft is in threaded connection with a locking screw rod, the bottom of the locking screw rod is movably connected with a moving plate, and the upper ends of the two sides of the rotating shaft are movably connected with clamping plates. Through the arrangement of the limiting baffle disc, the bottom of the gear body can be effectively limited, the gear body is prevented from sliding downwards along the surface of the rotating shaft in the installation process, and meanwhile through the arrangement of the locking screw rod, the rotating shaft, the movable plate, the movable guide plate, the supporting spring, the clamping plate and the clamping groove, the gear body is prevented from sliding downwards. And the effect of quickly mounting and fixing the gear body is achieved, the overall operation is convenient and quick, and the mounting operation efficiency of personnel is effectively improved.