269results about How to "Control rotation" patented technology

The invention discloses a method of a dome camera for generating a panoramic image and the dome camera. The method comprises steps of: rotating the dome camera according to a set rule for multiple times and acquiring an image of a current position in each time of rotation; acquiring a curved image of the image in a world coordinate system according to a mapping relation between an image coordinate system and the world coordinate system; acquiring a curved image of the image in a dome camera coordinate system according to a mapping relation between the world coordinate system and the dome camera coordinate system; acquiring a flat image of the image in a panoramic image coordinate system according to a mapping relation between the dome camera coordinate system and the panoramic image coordinate system; and splicing the panoramic image according to the flat image, corresponding to the image of the current position, in the panoramic image coordinate system. The method may splice multiple images acquired by the dome camera into a panoramic image according to the one-to-one corresponding coordinate relations among the coordinate systems, wherein the panoramic image can be a 360-degree panoramic image.

The invention relates to a grinding device for metal materials for 3D printing, in particular to a rapid grinding device for metal materials for 3D printing. By the adoption of the rapid grinding device for the metal materials for 3D printing, the technical purposes of excellent grinding effect, high work efficiency and simple structure are achieved. For achieving the technical purposes, the rapid grinding device for the metal materials for 3D printing comprises a bottom plate, a left support, a right support, a top plate, first supporting rods, a collection frame, first springs, a grinding cylinder, a screen plate, a supporting base, a sliding rail, a sliding block, a rack, a second supporting rod and the like. The left support is arranged at the left end of the top of the bottom plate. The right support is arranged at the right end of the top of the bottom plate. The first supporting rods are symmetrically arranged on the left side of the top of the bottom plate. By the adoption of the rapid grinding device for the metal materials for 3D printing, the effects of excellent grinding effect, high work efficiency and simple structure are achieved, the metal materials can be ground rapidly, the work benefits are increased for enterprises, and the rapid grinding device is reasonably provided with a reinforcing rib.

The invention discloses a high-efficiency electric stirring device which can realize forward and reverse stirring and common stirring at a plurality of positions of a piece of equipment and can meet the stirring requirement of a laboratory and other aspects. The high-efficiency electric stirring device mainly comprises three major parts, which are a motor transmission and control part, a transmission part and a stirring part in sequence. The rotation speed and the rotation mode of a servo motor can be accurately controlled to realize one-time speed regulation through an external servo motor driver, then through an idler wheel flat plate stepless speed change device, secondary speed shift and transmission split are realized, six independent stirring shafts are driven to rotate, and the size of a container can be randomly selected and the depth of a material in the container can be adjusted by using a lifting table driven by a ball screw. The high-efficiency electric stirring device has the characteristics of simple structure, high efficiency, low cost and easiness in operation.

The invention provides a three degree-of-freedom attitude control device, system and method of a flying car based on a ducted fan. The three degree-of-freedom attitude control device comprises the ducted fan, a first steering engine, a bracket, a second steering engine, a chassis and an integrated tail rotor-type driven wheel. The first steering engine drives the ducted fan to swing on a first axis. The second steering engine drives the ducted fan to swing on a second axis. A fist hollow hole is arranged in the bracket. The ducted fan is arranged in the first hollow hole. The first steering engine is arranged on a bracket body of the bracket. A second hollow hole is arranged in the chassis. The bracket is arranged in the second hollow hole. The second steering engine is arranged on the chassis, one end part of which is provided with the integrated tail rotor-type driven wheel capable of rotating along a third axis. The first steering engine controls the axis of the ducted fan to swing within the vertical plane where a car body moves forwards. The second steering engine controls the axis of the ducted fan to swing within the vertical plane in the direction vertical to the heading direction of the car body.

The invention discloses a medical lying bed for examination in ear-nose-throat department. The medical lying bed structurally comprises a base, an ascending and descending rack, a fixing device, a fixing binding belt, a bed plate, a bed plate soft pad, a plum blossom knob screw nut, an arm plate, an arm plate soft pad, a head plate soft pad, a head plate, support foot pads, an ascending and descending device and a first hinge shaft, wherein the support foot pad is vertically arranged on each of the four corners of the bottom of the base in a screw bolt connection mode. The medical lying bed for examination in ear-nose-throat department has the advantages that the ascending and descending device is arranged inside the base; a step motor and a lead screw are used in a matched way for controlling the ascending and descending of the examination lying bed; the rotating movement is converted into the linear movement; the lead screw transmission precision is high; the friction resistance is very small; the creeping phenomenon of sliding movement cannot occur; the precise micro feeding is enabled to be realized; the rotation of the step motor is the operation step by step at the fixed angle, so that the accurate positioning goal is achieved; uncomfortable feeling cannot be caused on the patient; meanwhile, the rotation of the lying bed can be controlled through a second step motor.

The invention relates to a page dividing method of reading materials of electronic publication (Epub) form and a system using the page dividing method of the reading materials of the Epub form. The page dividing method of the reading materials of the Epub form comprises steps as below: obtaining address of the hypertext markup language (HTML) page of the reading materials of the Epub form, utilizing the src attribute of the IFrame of the HTML page to load the content of the reading materials of the Epub form asynchronously, building a div container to add the content of the reading materials, adding the CSS3 subfield type of the content of the reading materials inside the div container, adjusting the composing type of the content of the reading materials inside the div container, and calculating the total page number and the current page number of the content of the reading materials according to the CSS3 subfield type and the composing type to show the current page. The page dividing method of the reading materials of the electronic publication (Epub) form and the system using the page dividing method of the reading materials of the Epub form achieve fast and simple page-dividing of reading materials of the Epub form, and solve the line-pressing problem.

The invention discloses an adjustable water nozzle for oilfield water injection and a water distributor with the same, and belongs to the technical field of oilfield separate zone water injection. The adjustable water nozzle comprises a valve sleeve and a valve core, wherein the valve sleeve has a cavity structure and is provided with a water outlet hole; the valve sleeve is in threaded fit with the valve core; the valve core is in seal fit with the conical surface of the water outlet hole of the valve sleeve; the head of the valve core is provided with a side hole; a cavity is formed betweenthe valve sleeve and the valve core outside the side hole; a water inlet hole is formed in the valve core; and the tail part of the valve core is provided with a claw. The water distributor has a tube-shaped structure; the adjustable water nozzle is vertically arranged on the side of the water distributor and is communicated with the inner wall and the outer side of the water distributor; a bridge channel for water injection is formed in the wall of the water distributor; and a water nozzle adjuster for controlling the adjustable water nozzle is arranged in the water distributor. The adjustable water nozzle and the water distributor can accurately control water injection rate and are suitable to be popularized in the technical field of the oilfield separate zone water injection.

The invention discloses a control method of rotation of an excavator working device and belongs to the technical field of engineering machines. According to the method, at least three paths of tilt angle sensors are arranged at the rotation position of the excavator working device, two paths of pressure sensors are arranged on a bucket oil cylinder, and the sensors are connected with an excavator main controller. When an excavator rotates, the displacement travel of an operating handle is input to a control signal of the target rotating speed of the excavator main controller, meanwhile, and signals detected by the sensors are transmitted to the excavator main controller; the excavator main controller calculates the rotating inertia of the excavator according to the control signal of the target rotating speed and real-time information of the sensors, a driving signal for adjusting the torque of a driving motor is output, and stable movement of the excavator working device under different kinds of rotating inertia is controlled. Through the control method of rotation of the excavator working device, the problems that in the working process of the excavator working device, the control effect is poor, and shaking happens can be solved.

The invention relates to a vertical blind opening and closing device comprises an end cover (1), a rail (2), a belt (3), a plurality of sliding units and transmission mechanisms. The device can be used for controlling blades to rotate, open and close.

The invention relates to the field of spinning, in particular to fabric resin processing equipment. Many excellent properties can be given to the fabric through resin treatment of the fabric; the fabric can obtain the performances of crease resistance, shrink resistance, non-ironing property, durable pressing property, flame retardance, good gloss, comfortable hand feeling and the like; traditional treatment equipment is treated by a plurality of pieces of equipment; the automation degree and the procedure fluency degree are too low. The fabric resin processing equipment solves the problems; the fabric is put into an oscillation box filled with resin; reciprocating vibration of the oscillation box promotes resin to be fully impregnated into fabric fibers; after impregnating is finished, the fabric is enabled to pass through a rolling roller, a fabric channel and a conveying roller; a heating column is started, the heating column emits heat to promote condensation of resin among fabricfibers, the rolling roller and the conveying roller are controlled to rotate, the fabric slowly moves in a drying chamber at a low speed, the fabric falls into the cleaning chamber after being dried,and resin residues are cleared away through reciprocating forward and reverse rotation cleaning.

The invention relates to a fax machine, in particular to an internet fax machine with a dust removing function and aims at achieving the technical purpose of providing the internet fax machine with the dust removing function, wherein the internet fax machine is powerful in dust removing function and good in heat dissipation effect. To achieve the above technical purpose, the internet fax machine with the dust removing function is provided and comprises a shell, a heat dissipation net, a fixing plate, a rotation motor, a second rotating shaft, a cam, a supporting rod, a sliding rail, a sliding block, a spring, a rack, a steel ball, a bearing block, a first rotating shaft and the like. The heat dissipation net is arranged at the upper portion of the left side of the shell, the fixing plate is connected to the middle of the bottom in the shell in a welding manner, and the lower portion of the left side of the fixing plate is connected with the rotation motor in a bolt connecting manner. The internet fax machine achieves the effects of the good heat dissipation effect and the powerful dust removing function, rotation of the rotation motor is controlled, and accordingly a brush is controlled to vertically swing to remove dust on the heat dissipation net.

The invention discloses a micro power electric equipment rotating and hoisting device comprising a right-angle steel pipe frame, a moving pulley group, a rope and a drive mechanism. The right-angle steel pipe frame is composed of an upper rod and a vertical rod which are connected fixedly and is in an inverted L shape, the vertical rod is provided with a fastener, the upper portion of the tail end of the upper rod is provided with the drive mechanism, the middle of the upper rod is provided with the moving pulley group, one end of the rod is fixed to the upper rod, and the other end penetrates the moving pulley group to connect to the drive mechanism; the moving pulley group comprises five pulley lifting modules which are arranged in rows sequentially, one end of the rope of the last moving pulley lifting module is connected to a moving pulley lifting hook of the next moving pulley lifting module, and the tail end of the rope is connected to the drive mechanism. The device is small in size, is capable of being adaptive to the narrow operation environment, is capable of hoisting heavy objects on the condition that large-scale hoisting equipment is not easy to adopt and is worthy of promotion and application.

The invention discloses auxiliary equipment for boxing training teaching, and relates to the technical field of boxing training equipment. The auxiliary equipment comprises a base, an electric telescopic column is fixedly installed at the top of the base, a supporting frame is rotatably connected to one side of the electric telescopic column, a first sliding groove is formed in the supporting frame, and a lead screw is rotatably connected to the interior of the first sliding groove; a first motor is fixedly installed on one side of the supporting frame, and the output end of the first motor is fixedly connected with the lead screw. The auxiliary equipment for boxing training teaching has the beneficial effects that the hanging ball is combined with the support, the equipment is convenient to install and move, and the moving device is installed at the top of the hanging ball and located on one side of the support, so that when the hanging ball rebounds under the action of force, the hanging ball can move back and forth, the auxiliary equipment is matched with a pulley block and a motor at the top of the hanging ball, and the lifting and rotation of the boxing hanging ball are controlled, so that the real boxing condition is simulated to the greatest extent, and the reaction capability and sensitivity of a user are improved.

The invention discloses a small cutting machine capable of automatically cooling down, which includes a movable block, a handle, a regulating valve, a main control box, a fixing clip, a base and a motor, and a baffle with a scale is installed above the base, and the baffle with a scale A fixed clip is installed on the right side, a movable block is installed on the left side of the fixed clip, and a movable block adjustment button is installed on the surface of the movable block, a stop button is installed on the left side of the movable block, and a main control box is installed above the fixed clip , and a handle is installed on the left side of the main control box, a regulating valve is installed below the handle, and a cutting tool is installed on the right side of the regulating valve, and a protective cover is installed on the right side of the regulating valve. In the present invention, by There are movable blocks and movable block adjustment buttons, which can fix the size of the material to be cut according to the actual operation, which enhances the functionality of the equipment. By sliding the movable block on the scaled baffle, the material needs to be cut can be adjusted. Size, in line with daily production needs.

The invention discloses a variable multi-hole perforating device and a perforating method thereof. The variable multi-hole perforating device comprises drills, a drilling plate and drill bushings. Thedrilling plate penetrates the drills to be fixed outside the drills, and the drill bushings are arranged outside the drills. Each drill comprises a first drill, a second drill and a drill middle portion, wherein the first drill and the second drill are arranged at two ends of the middle of the drill, the first drill is a straight drill, the second drill is a segmental drill and comprises a secondscrew groove and a third screw groove, and the diameter of the second screw groove of the second drill is larger than that of the third screw groove. The variable multi-hole perforating device and the perforating method thereof have advantages that by improvement of the perforating device, more drill holes can be used at the same time, and accordingly production efficiency of drill rigs is improved, time consumption is reduced, and drill rig production cost is reduced while drill performances are improved; in addition, simplicity and convenience in operation are achieved, and abrasion of drill rig components is reduced.

The invention provides an object appearance omnibearing image acquisition device and an acquisition method. The device comprises a rotation control part, an object carrying disc used for placing a shot object and a camera supporting part used for supporting a camera, wherein the rotation control part is rotatably located below the object carrying disc, the camera supporting part is located on the periphery of the object carrying disc and fixedly connected with the rotation control part, the rotation control part rotates to drive the camera supporting part to rotate around the periphery of the object carrying disc, and the camera is installed on the camera supporting part, and the vertical height and/or the horizontal distance between the camera support part and the object carrying disc can be adjusted through the camera support part. A shot object can be placed in the object carrying disc, the camera is installed on the camera support part, the rotation control part is fixedly connected with the camera support part, and when the rotation control part rotates, the camera support part can be driven to rotate in the circumferential direction of the object carrying disc, so that panoramic shooting of the object is completed by the camera, and the shooting efficiency and definition are improved.

The invention discloses a control method for the rotation angle of a fan swing head, a device and a fan. The method is applied to the fan adopting a brushless motor. The fan swing head is structurally provided with an angle feedback device. The fan swing head rotates under the drive of the brushless motor. The method comprises the steps that parameters output by the angle feedback device are collected; the parameters output by the angle feedback device change along with the rotation of the fan swing head; and the current rotation angle of the fan swing head is calculated according to the incidence relation of the parameters output by the angle feedback device and the preset parameters and the angle. The rotation of the fan swing head is controlled according to the current rotation angle of the fan swing head and the preset target rotation angle. By the adoption of the control method for the rotation angle of the fan swing head, the device and the fan, the service life of the fan can be prolonged, the rotation angle of the fan swing head can be controlled precisely, and the user experience is improved.

Provided is a solar street lamp component. A base (2) is arranged at the top end of a street lamp (1). A motor (3) is arranged on the base. Direction is adjusted in a rotating mode. A solar component (4) is arranged on the base. A light ray sensing device (5) is arranged on the solar component. During using, the direction of sunlight is monitored, the motor (3) is controlled to rotate, so that the solar component is aligned with the sunlight, and the using rate of solar energy is improved. The solar component is used for storing electric energy for operation of the motor (3). A hinting device (6) is arranged and sends out hinting information when the solar component rotates by a large margin. A wind power sensing device (7) is arranged. When the fact that wind power is too large is monitored, the motor (3) is controlled to carry out evading rotating. Sunlight direction and wind power strength can be detected timely, the motor is controlled to rotate correspondingly, and the energy-saving effect of the solar component is improved.

The invention discloses an electrocoagulation forceps for dental multi-angle operation, and belongs to the field of stomatological instruments. The electrocoagulation forceps comprises an outer layerdevice, a tong head (1) and an internal power unit, the outer layer device (2) is connected with a tong head, the power unit exerts a force on the jaw head internally so that the jaw head opens and closes, The jaw head (1) is connected with a wire, and is characterized in that the end of the outer layer device is provided with a rotating seat (202) capable of rotating around the outer layer device(2), the rotating seat (202) is connected with the jaw head and drives the jaw head to swing, and the power device comprises a first pulling member (3) for rotating the rotating seat (202).

The invention discloses a control method of an upper limb rehabilitation device with a dual-direction hydraulic control function. The device comprises a microprocessor (32), a hydraulic cylinder control module (33), a power module (34) and an input module (35). The device is characterized in that the power module (34) supplies power to a rehabilitation controller (44), a user inputs the flexion-extension frequency, speed and flexion-extension strength through the input module (35), that is to say, the smaller the angle is, the curvature and the flexion-extension strength are, and the microprocessor (32) receives an input instruction of the input module (35) to transmit a working signal to the hydraulic cylinder control module (33). The control method has the advantages that through controlover the rehabilitation controller (44), the training frequency and angle can be set, the training effect and the training process can be monitored, and the user experience is improved.