11results about How to "Control rotation speed" patented technology

The utility model discloses a rotary tablet press, and relates to the technical field of medicine tablet forming equipment, the rotary tablet press comprises a rack body, the top of the rack body is fixedly connected with an upper cover plate, the upper part of the upper cover plate is fixedly connected with a speed regulation stabilizer, and the speed regulation stabilizer is internally and movably connected with a blanking speed regulator; wherein the discharging speed regulator comprises end shaft rod frames which are symmetrically and fixedly connected with the upper cover plate, conical friction rollers which are staggered with each other are movably connected into the two end shaft rod frames, and the outer sides of the two staggered conical friction rollers are sleeved with a driving belt; the end part of one conical friction roller penetrates through the end part shaft rod frame and is fixedly connected with a partition plate impeller; according to the utility model, as the section of the conical friction roller is conical, the transmission ratio is adjusted by adjusting the position of the driving belt on the conical friction roller, so that the rotating speed of the partition plate impeller is controlled, and the blanking amount is further adjusted.

This invention discloses a segmented drum screen device for mineral processing, comprising a base, a storage box, a screening machine, and a mounting frame. The storage box and mounting frame are both fixedly connected to the base, and the screening machine is inclinedly positioned on top of the storage box. The screening machine includes a casing, a main shaft, and several circular screens. The main shaft is rotatably connected to the casing. Several connecting rods are fixedly connected between the circular screens and the main shaft. Several screen holes are evenly distributed on the circular screens. Baffles are rotatably connected between adjacent circular screens, and discharge holes are provided on the baffles. A drive gear is fixedly connected to one end of the main shaft, and a drive reduction motor is fixedly connected to the top of the mounting frame. A receiving box is provided inside the storage box, located below the corresponding circular screen. This invention employs a mechanical structure for mineral particle size classification. The inclination degree controls the mineral's movement speed, and the baffles control the classification and discharge speed, ensuring good classification results for minerals at each stage and improving the efficiency of mineral processing and classification operations.

The utility model relates to the technical field of hydraulic engineering water level monitoring, in particular to a movable water level monitoring device for hydraulic engineering, which comprises a detection mechanism, a driving mechanism is arranged in the detection mechanism, and an adjusting mechanism is arranged on one side of the driving mechanism; the detection mechanism comprises a floating shell, a partition plate is fixed to the middle of an inner cavity of the floating shell, a positioning device is fixed to the upper end of the partition plate, and a pumping device is further fixed to the upper end of the partition plate. The positioning device and the floating air bag are used in cooperation, the water level in a water area can be well detected, the pumping device is used for pumping water flow, the blocking ring and the cleaning frame can be driven to rotate, impurities in the water area are prevented from being adsorbed and entering the device, and the device is suitable for the water area with poor water quality. And the rotating speed of the blocking ring and the cleaning frame can be controlled by adjusting the contact degree of the open hole and the connecting pipe, and then normal use of the device is ensured.

The utility model discloses a molten iron covering agent spreadability measuring device which comprises a base, a circular truncated cone, a hopper and a discharging pipe, the circular truncated cone is arranged in the center of the top of the base, the hopper is arranged above the circular truncated cone, the discharging pipe is arranged at the bottom end of the hopper, and high-speed cameras are arranged on the two sides of the discharging pipe through supports. A first rotating shaft is arranged at the central position in the hopper, stirring blades are uniformly distributed on the first rotating shaft, a second rotating shaft is arranged at the bottom end of the first rotating shaft, the second rotating shaft extends into the discharging pipe, and spiral blades are uniformly distributed on the second rotating shaft. By installing the base, the circular truncated cone, the hopper, the discharging pipe, the high-speed camera, the first driving motor, the first rotating shaft, the stirring blade, the second rotating shaft and the spiral blade, the rotating speed of the spiral blade can be controlled, then the flowing-out speed of a covering agent is controlled, and the influence on spreadability measurement is reduced.

This invention discloses an internal gear generating grinding equipment and method, relating to the field of internal gear generating grinding. The equipment integrates the grinding wheel and the first motor driving the grinding wheel's rotation, eliminating the connecting shaft between the grinding wheel and its drive motor, thus allowing for a larger axial cross angle Σ between the grinding wheel and the internal gear blank. The method includes: coaxially mounting the internal gear blank on a rotary table; calculating the axial cross angle Σ between the grinding wheel and the internal gear blank; adjusting the rotation angle of the turntable so that the position of the grinding wheel satisfies the axial cross angle Σ; adjusting the position of the third slide to place the internal gear blank in the correct processing position; and linking the first motor, rotary table, first slide, and second slide to continuously drive the grinding wheel and the internal gear blank according to the generating linkage relationship, completing the internal gear grinding process.

The invention relates to the technical field of gantry winding, and discloses a gantry winding device for stainless steel pipes, which comprises two gantry upright posts, a carrier roller piece and a driving piece, the two gantry stand columns are each provided with a loading channel, middle shaft rods are rotationally installed in the two loading channels, a winding roller is installed between the two middle shaft rods, and one middle shaft rod is driven by a driving piece to drive the winding roller to rotate so as to wind a pipe fitting. The carrier roller piece is arranged at the front ends of the two gantry stand columns and used for lifting and conveying pipe fittings. A lubricating cavity and a collecting cavity which communicate with the loading channel are formed in the gantry stand column, and the loading channel is located between the lubricating cavity and the collecting cavity. Through multi-stage transmission of the motor, the speed reducer and the transmission, low-speed accurate control over the winding roller is achieved, stainless steel pipes are prevented from being wound and deformed, the center shaft rod rotates to drive the balls to automatically and continuously lubricate, friction and temperature rise are reduced, residual lubricating oil is recycled through the collecting piece, and cyclic utilization of resources is achieved.

The utility model provides a bait feed extrusion device which comprises a main machine body, a hopper, an extrusion disc and a driving mechanism, a plurality of sets of extrusion holes are formed in the disc, a rotary cutting mechanism is arranged on one side of the main machine body, and the rotary cutting mechanism comprises a rotating shaft rotationally installed in the middle of the side wall of the extrusion disc. The cutting function is achieved through cooperation of all parts of the rotary cutting mechanism, the rotating shaft, the rotary cutters, the connecting shaft, the driving block, the driving groove, the driving frame, the connecting frame, the first motor, the driving shaft and the second motor in the rotary cutting mechanism are matched with one another, the first motor drives the rotating shaft to rotate, and the second motor drives the rotating shaft to rotate. A second motor drives a gear to rotate to be meshed with a gear ring on the side wall of a driving frame, so that the driving frame rotates, a driving shaft on the driving frame slides in a driving groove of a driving block, the rotating speed and the cutting frequency of the rotary cutter are controlled, and therefore feed extruded from an extrusion hole is cut; and the length of cut feed particles can be dynamically adjusted.

The utility model discloses an intelligent efficient flour mill, which relates to the technical field of flour milling and is characterized in that the bottom end of a grinding box is fixedly connected with a bearing hopper, two sides of the bottom of the grinding box are respectively and fixedly connected with a support frame, the top end of the grinding box is fixedly connected with a servo motor, the support frame is higher than the bearing hopper, and a rotary table is arranged in the grinding box. Grinding wheels are rotationally connected to the periphery of the rotary table correspondingly, a rotating shaft is arranged between the rotary table and the servo motor, the upper end and the lower end of the rotating shaft are fixedly connected with the servo motor and the rotary table correspondingly, the detector is arranged in the rotary table, a mounting groove is formed in the rotary table, and the detector is fixedly connected with the inner wall of the mounting groove. The outer wall of the grinding box is fixedly connected with a controller used for controlling the servo motor. And a monitoring device is mounted in the grinding box, so that a worker can observe the granularity of the coating raw materials conveniently, the worker can operate a controller conveniently, the working efficiency of a servo motor is adjusted, and the coating raw materials can be ground more sufficiently through a grinding wheel.

This invention discloses a wheel hub motor-based vehicle steering control method, comprising the following steps: setting the target rotational speed of the wheel hub motors during center turn; employing a common-parameter, different-proportion PI algorithm to calculate the target torque of each wheel based on the difference between the actual rotational speed and the target rotational speed of each wheel hub motor; calculating the sum of the target torques of the left and right wheel hub motors; and obtaining the larger value T of the sum of the target torques of the left and right wheel hub motors. max ; Calculate the sum of the target torques of the left and right motors and T max The algorithm calculates the difference between the left and right wheel hub motors and distributes them according to the percentage of rotational speed among the hub motors on the same side. It also calculates the first, second, and third target torques for each hub motor and sets the rotation directions and target torques for each motor. This algorithm enables the vehicle to steer around its geometric center by rotating the left and right wheel hub motors in both directions, significantly reducing the turning radius and improving the vehicle's passability.

This utility model relates to the field of pre-crushing feeding mechanisms, specifically to a pre-crushing feeding mechanism for a jaw crusher, including a feeding bin and a crushing bin. The inner side of the crushing bin is hinged with triangular pressure plates arranged in a rectangular array. A drive rod is hinged to the upper part of one side of each triangular pressure plate, and a first connecting rod is hinged to the outer side of the other end of the drive rod. This utility model uses the driven frame plate on its outer side to push and pull, causing the folded push rod to drive the separation grate plate to move horizontally reciprocally. During the movement of the separation grate plate, the crushing cone at its top cooperates with the downward pressure of the pressure plates, forming a shearing force field on the stones. This reduces the pressure of the hydraulic cylinder while improving the crushing effect on the stones. The dynamic grate plate design also solves the clogging problem caused by compression. The downward pressure of the pressure plates is driven by the drive rod, with the surrounding pressure plates pressing down synchronously, pushing the stones from the periphery towards the center of the separation grate plate, avoiding the problem of stones flying out of the crushing bin due to instantaneous compression and crushing.

The utility model relates to the field of tobacco packaging, in particular to a cigarette code spraying device which comprises a machine frame, a conveying belt arranged on the machine frame and used for conveying cigarettes and a code spraying mechanism used for spraying codes. The rack is provided with a transverse moving seat transversely moving in the conveying direction of the conveying device, and the rack is provided with a transverse moving driving mechanism used for driving the transverse moving seat to transversely move. A lifting seat capable of lifting up and down is arranged on the transverse moving seat, and a lifting driving mechanism used for driving the lifting seat is arranged on the transverse moving seat; a rotating seat is rotatably arranged on the lifting seat, and a rotation driving mechanism for driving the rotating seat to rotate is arranged on the lifting seat; and a camera for identifying cigarette cartons is arranged on the rotating seat. The technical problems that an existing code spraying device cannot accurately recognize changes of positions, postures, angles and the like of cigarette cartons, and accurate code spraying and clear code spraying cannot be achieved are solved.