168results about How to "Control angle" patented technology

The invention discloses an electrostatic spinning collection device and electrostatic spinning equipment with the device. The device comprises a directional fiber collector and a rotatable planar fiber receiver, wherein the directional fiber collector comprises a rotating shaft, two parallel disks mounted on the rotating shaft and a driving unit coupled with the rotating shaft; negative voltage is applied to the disks; fibers formed by splitting charged jet flow released from a positive voltage end are suspended between the two parallel disks in a directional manner; the rotatable planar fiber receiver comprises a receiving disk, and a rotation driving mechanism and a reciprocating driving mechanism which are coupled to the receiving disk; the reciprocating driving mechanism is used for supporting the receiving disk to get into or get out of a space between the two parallel disks; the rotary driving mechanism is used for rotating the receiving disk so as to adjust an angle of the fibers collected to the disk surface of the receiving disk. The invention also discloses an electrostatic spinning collection method using the electrostatic spinning collection device. The fibers electrically spun by the electrostatic spinning collection device are high in directing degree and are suitable for constructing highly ordered fiber tissue structures.

The invention discloses a bending and molding machine for a metal sheet. A molding mould on the upper part of a supporting mould is driven to move up and down by a pressure beam; a workpiece on the supporting mould is compacted or loosen; the side of the supporting mould is provided with a rotary beam hinged with a stander by a fixed shaft; under the drive of a driving mechanism, the rotary beam rotates around the fixed shaft and can carry an autorotatable pressure roller on the rotary beam for rotation together; and the workpiece compacted between the supporting mould and the molding mould is allowed to roll forming along the surface of the molding mould. In the process of bending and molding the metal sheet, the surface of the pressure roller has rolling operation relative to the surface of the molding mould; and the surface of the workpiece can not be damaged. Through replacing the molding mould, different bending round angles can be machined and have good universality. Moreover, a rotary angle of the rotary beam is controllable; and a bending angle can be conveniently adjusted according to requirements.

The invention relates to a gas measurement method and a gas measurement device, which are mainly used for detecting gas parameters. The device comprises an analysis unit and a laser, a sensor, a convergent component and an optical reflector which are arranged inside a supporting device, wherein, the sensor is connected with the analysis unit. The measurement method is as follows: the laser gives out laser to the convergent component which is obliquely arranged; the laser is converged by the convergent component, passes through gas to be measured and then is emitted to the optical reflector; after the laser is reflected by the reflector, the laser passes through the gas to be measured and the convergent component again and is then received by the sensor; and the sensor transmits received signals to the analysis unit, and the parameters of the gas to be measured are obtained through analysis of the analysis unit. The gas measurement method and the gas measurement device have the advantages of advanced method, reasonable and skillful light path design, low optical noise, small number of parts, high measuring precision, convenient assembly and stable and reliable operation.

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 discloses a fertilizing and pesticide spraying device for vegetable planting. The device comprises a base, a stirring motor is mounted in the base, a limit mounting groove is mounted atthe upper end of the base, a water tank is mounted in the limit mounting groove, an revolving shaft is mounted in the water tank, the lower end of the revolving shaft penetrates through the bottom ofthe water tank and the limit mounting groove to be rotationally connected with an output shaft of the stirring motor, a tank cover is mounted at the top end of the water tank, a waterproof tank is mounted on one side of the limit mounting groove, a water pump is mounted at the upper end of the waterproof tank, a rotating platform is mounted on one side of the water pump, a rotating motor is mounted in the waterproof tank, an output shaft of the rotating motor penetrates through the top of the waterproof tank to be rotationally connected with the rotating platform, a telescopic rod is mounted on the rotating platform, and a sprayer is mounted at the upper end of the telescopic rod. The seeder solves the problems of high labor intensity, inconvenience in operation, uneven spraying and low spraying efficiency of existing spraying devices.

The single focus lens with the advantage of wide view field includes the first optical module with weak refraction index, the second optical module with positive refraction index, the third optical module with negative refraction index, the fourth optical module with positive refraction index, the fifth optical module with positive refraction index and one image sensing unit successively arranged from the object space to the image space. The single focus lens meets the following conditions: 0<f23 / f1<0.12; where f23 is the combination focus length of the second optical module and the third optical module and f1 is the focus length of the first optical module.

The invention discloses a backlight type backlight module, comprising a light guide plate, a light source, a first prism lens and a second prism lens, wherein the light guide plate comprises at least one light entering surface and a light exiting surface, the light source is arranged at the light entering surface of the light guide plate and used for emitting light to the light guide plate approximately along a first direction, the first prism lens is arranged at the light exiting surface of the light guide plate, the first prism lens comprises a plurality of parallel first prism lens structures arranged along a second direction approximately vertical to the first direction, each first prism structure comprises a first vertical angle which is an acute angle, the second prism lens is arranged at the light exiting surface of the light guide plate, the second prism lens comprises a plurality of parallel second prism structures approximately arranged along the first direction, and each second prism structure comprises a second vertical angle which is no smaller than the first vertical angle.

The invention discloses a manual table tennis ball launching device, which comprises a launch tube, a ball drop hole is arranged on the top surface of the launch tube, a telescopic hose is connected to the ball drop hole, and a ball chamber for holding table tennis balls is connected to the top of the telescopic hose , There is a suspension mechanism on the ball chamber, a cylindrical bullet block is arranged in the launch tube, and an ejection spring is arranged in the ejection tube behind the bullet block. One end of the ejection spring is connected with the rear wall of the ejection tube, and the other end is connected with the bullet block Connected, the center of the rear wall of the catapult is provided with a drawstring hole, the center of the projectile is connected with a drawstring, the tail end of the drawstring passes through the drawstring hole and is connected with a draw ring, and the bottom of the launch tube is fixed There is a ball hinge, a hinge seat is provided below the ball hinge, an upper support rod is fixed below the hinge seat, and a U-shaped card seat is fixed at the bottom of the upper support rod inserted into the lower support rod in the lower support rod. The beneficial effects obtained by the invention are: (1) the structure is simple; (2) the serving speed and the serving frequency are improved.

The invention discloses a control method for head lights of an automobile. The control method comprises the following steps: 1, collecting current external environment light intensity, and turning on the head lights under the condition that the external environment light intensity is lower than preset environment light intensity; 2, collecting a current distance value S between an obstacle in front of the automobile and the automobile, turning on full-beam headlights of the head lights under a condition that the distance value is greater than preset distance, and turning on dipped headlights of the head lights under the condition that the distance value is less than the preset distance; and 3, collecting a current steering wheel angle value gamma, a current running speed value v and a yaw velocity omega of the automobile, and calculating to obtain a rotation angle theta1 of rotation of the full-beam headlights or dipped headlights of the head lights in a horizontal direction by use of a following formula, wherein the initial orientation of the full-beam headlights or dipped headlights is the same as the length direction of an automobile body, v' is equal to cos(gamma / N), and theta 1 is equal to 90*S*omega / (pi*v'). The control method for the head lights of the automobile is capable of being used for solving the problem that illumination angle adjustment cannot be realized since the head lights easily generate blind zones in the prior art.

A backpack type small berry picking machine comprises a back frame, a miniature gasoline engine, a centrifugal type clutch, a steel wire flexible shaft, a secondary gear drive mechanism, an eccentric vibration mechanism, a housing, a front annular handle, a rear handle, and branch vibrators; the miniature gasoline engine is arranged on the back frame through a vibration isolation rubber pad; an output shaft of the miniature gasoline engine is connected with an input end of the steel wire flexible shaft through the centrifugal type clutch; a square joint of the output end of the steel wire flexible shaft is connected with a square interface of an axle drive bevel pinion of the secondary gear drive mechanism; the eccentric vibration mechanism comprises an upper crank, a lower crank, an eccentric adjustable camshaft, a dual-face guide rail, an upper reciprocating oscillating lever and a lower reciprocating oscillating lever; the branch vibrators are respectively fixed on the front ends of the upper and lower reciprocating oscillating levers; the front portion and rear portion of the housing are respectively provided with a front annular handle and a rear handle; the rear handle is provided with a speed regulator; the speed can be regulated so as to allow the small berry branches to generate different frequency vibrations, and the vibration force can separate the small berries from the branches.

The invention discloses a vibration-reduction light fodder chopper capable of safely cutting materials without vibration. The vibration-reduction light fodder chopper comprises a chopper body, a handle, a dynamic vibration absorber, a handle cover, a sliding plate, a bottom plate, a feeding knife holder, a discharging knife holder, a feeding tabletop, a knife shaft, a torsion spring, a flat washer, a nut, an adjustment sheet, a locking system, a bolt, an elastic washer and a sleeve. The dynamic vibration absorber comprises a steel wire and two mass blocks and is used for reducing vibration of the handle, a blade of the feeding knife holder is curved, materials can be stopped from moving forwards in a phased manner, cutting efficiency is improved, the torsion spring controls the included angle between the chopper body and the feeding knife holder to range from 45 degrees to 60 degrees when external force is not applied to the chopper body, and the chopper body does not need to be lifted by manpower. The vibration-reduction light fodder chopper is simple in structure and convenient to use. The materials are cut by the chopper, vibration is reduced based on meeting cutting functions, hand vibration is avoided, people feel light and effortless when cutting the materials, and the cutting efficiency can be improved.

The invention relates to adjustable axial-flow cylinder threshing device which comprise rotating axle, spike tooth, spiral blade, feeding groove, baffle and upper cover. The spiral blade is mounted at front of rotating axle, spike tooth is fixed at axial center of rotating axle and distribute evenly along axial and longitudinal of the axle. The spike tooth comprise fixed spike tooth and movable spike tooth. The fixed spike tooth is fixed to rotating axle by fixing rack. One end of movable spike tooth extends out from fixing envelope fixed on fixing rack, the other end contact with inclined surface of wedge block on the pull rod sliding axially along rotating axle. The device can thresh the corn, rice, buckwheat, soybean etc. Adjusting movable spike tooth height can effectively control threshing intensity, adjusting included angle between movable guiding plate and upper cover axial line can effectively control threshing time. The present device largely reduce the damage rate of crops in addition to the clean threshing.

The utility model relates to a metal sheet dual supply device installed on a high-speed embroidery machine, which can continuously sew metal sheets of different colors on a fabric. The structure of this metal sheet double feeding device is that the vertical movement of one presser foot is driven by a vertical moving part with a geared motor or a vertical cylinder, and the lateral movement of the presser foot is driven by a A helical gear on the motor is driven, and there is also a worm connected to the worm wheel, and two push rods installed on the presser foot alternately drive and push the metal sheet, thereby alternately feeding the metal sheet with different colors, And sew the metal sheet to the fabric. The metal sheet double feeding device has the advantage that the production efficiency can be improved by allowing the metal sheets having different shapes or colors to be continuously sewn on the fabric. The sheet metal dual feed provides consistency when stitching filaments and when sewing sheets of different shapes or colors.

The invention discloses a tearing rope position accurate positioning production device and method, and relates to the technical field of cable production. The device comprises a stand column and a height adjusting column, the bottom end of the stand column is fixedly installed on a base, a fixing device is arranged at the middle end of the stand column, the bottom end of the height adjusting column is movably inserted into the top end of the stand column, and a positioning device is arranged at the top end of the height adjusting column. The fixing device comprises a chuck installation rod and two chucks, one end of the chuck installation rod is vertically installed on the stand column, and the two chucks are inserted into the two ends of the chuck installation rod respectively. The positioning device comprises an installation rod and a positioning guide wheel, the installation rod is located over the chuck installation rod, one end of the installation rod is vertically installed on the height adjusting column, and the positioning guide wheel is installed at the other end of the installation rod. By means of the tearing rope position accurate positioning production device and method, the positions of tearing ropes inside a cable and included angles between the tearing ropes can be controlled, the unwinding tension of the tearing ropes can be controlled, and the smoothness of unwinding routes of the tearing ropes is kept.

Five degree of freedom butt joint tightness debugging equipment provided with a connector is characterized in that a connecting device is arranged at one end of a machine frame, and the end of the machine frame is provided with a fixed connector. The connecting device comprises a lifting device, a cross axial movement device and a rotating device. The machine frame which is used for driving the connecter to lift up and down, move in a cross mode and rotate in a horizontal mode is provided with an angle turnover device of the five degree of freedom butt joint tightness debugging equipment which is provided with the connector. A turnover plate is provided with a connecting structure which is used for connecting the other end of the connector. The five degree of freedom butt joint tightness debugging equipment provided with the connector has the advantages of freely rotating around six shafts, being capable of imitating deviation produced by the connector when a work object is connected through butt joint, accurately controlling deviation of an angle and displacement and clearly mastering the size of the adjustment of the angle due to the fact that an adjustment stick is adopted, and being high in reliability. Due to the fact that the whole equipment is connected through stainless screws, and stainless pins which match with the stainless screws are arranged, the five degree of freedom butt joint tightness debugging equipment provided with the connector is easy to dismantle and reset, guarantees assembling accuracy, is good in stability and free from producing rusty spots due to the fact that the whole equipment except of a circular dividing table and a cross-shaped working table is made of 2 Cr13 stainless materials.

The invention relates to a microscopic imaging system and method. The imaging system is characterized in that light emitted from a laser is divided into two beams of light waves, wherein one beam of light wave carries information of an object, and the other beam of light wave is subjected to beam expansion and collimation to obtain a planar optical wave; the two beams of light waves interfere on aCCD to form an interference pattern; and the interference pattern is reproduced through a computer to obtain a three-dimensional microscopic image of the object. The included angle of the two beams of light waves is controlled automatically, so that an original image and a zero-order interference image in the reproduced image are allowed to be just separated, and the highest-resolution original image can be obtained.

The invention discloses a pile driver. The pile driver comprises a walking mechanism, an operating platform, a pile frame, a pile hammer and an operating room; the walking mechanism is connected withthe operating platform through a rotary disc base, the operating platform is connected with the operating room and the pile frame, and the pile frame is connected with the pile hammer; the operating platform comprises a fixed platform and a rotating platform, the fixed platform is connected with the rotary disc base and the rotating platform, and the rotating platform is connected with the pile frame through a telescopic rod; and a water flow sensor and an ultrasonic detector are installed on the pile frame, the water flow sensor and the ultrasonic detector are connected with a control devicearranged in the operating room, and the control device is connected with a control switch, the walking mechanism and a power supply. According to the pile driver, displacement data generated by impactof water flow on a fixing pile and water entry data of the fixing pile at different positions are calculated by detecting the water flow speed and the water bottom depth, and then the fixing pile canbe driven into a dam mouth at the optimal location or angle; in addition, the pile driver is novel in structure, easy to operate and convenient to implement and popularize.

The invention relates to a training badminton racket, belonging to the technical field of the application of the sensor IOT (Internet of Things). A lithium ion battery and an axis acceleration sensor are arranged in a hole in the bottom of a racket handle, and the lithium ion battery supplies power to the axis acceleration sensor via an electric lead. During badminton training, along with the movement of the training badminton racket, the axis acceleration sensor converts sensed movement information into an electric signal and transmits the electric signal via a transmitting antenna, and an information processor receives the information via a receiving antenna, processes the information according to a set program, stores processed information, and inputs the processed information into a display. Thus specific data about applied force and a racket angle when a player strikes a shuttlecock can be displayed on the display. The player can know the specific data about the applied force and the racket angle in the whole striking process, and can adjust the applied force and control the racket angle well while striking the shuttlecock more easily according to the specific data.

The invention discloses a method for conducting wall painting construction through mortar spraying. Spraying work is conducted through a mortar spraying machine, and wall painting construction is achieved. The method for conducting wall painting construction through mortar spraying is characterized in that in spraying, operation is conducted through a circulation spraying method of S-shaped movement from bottom to top; when the upper wall surface is sprayed, the gun holding angle is 35-45 degrees, and the distance between a nozzle and the wall surface is 30-45 cm; when the lower wall surface is sprayed, the gun holding angle is 70-80 degrees, and the distance between the nozzle and the wall surface is 25-30 cm; when the positions of door-window corners which have the distance with a door-window frame for no larger than 4 cm are sprayed, the gun holding angle is 30-40 degrees, and the distance between the nozzle and the wall surface is 6-10 cm; and when the wall surface located below a window is sprayed, the gun holding angle is 45 degrees, and the distance between the nozzle and the wall surface is 5-7 cm. According to the method for conducting wall painting construction through mortar spraying, the impact angle and speed of mortar on the wall surface can be effectively controlled, the binding force of the mortar and the wall surface is guaranteed, the coating life can be prolonged, and the physical properties of the mortar is intactly kept.

The invention relates to a cavity opening instrument comprising a handle component and a moving component. The handle component comprises a regulation mechanism; the moving component comprises a cavity opening part, a connecting part, a regulating shaft and a transmission shaft. The near end of the regulating shaft is fixed to the near end of the handle component, the far end of the regulating shaft is connected to the near end of the cavity opening part flexibly, the far end of the connecting part is provided with a spherical joint, the near end of the cavity opening part is provided with a spherical concave surface, which is connected to the spherical joint in a matched manner, the near end of the connecting part is connected to the far end of the transmission shaft fixedly, the near end of the transmission shaft is connected to the handle component fixedly, and the transmission shaft sleeves the regulating shaft; the regulation mechanism is operated to drive the regulating shaft to rotate axially in a reciprocating manner through the transmission shaft, and to drive the cavity opening part to rotate corresponding to the connecting part. The cavity opening instrument has the advantages that the rotating angle of the cavity opening part can be controlled accurately, self-locking can be implemented, and the instrument can be operated and controlled conveniently.

The invention relates to the field of massage chair. A massage chair includes a base, a crus rotating device, a back frame rotating device, a massage device and a control system; the crus rotating device is used for crus rotation; the back frame rotating device comprises a second air cylinder, a U-shaped rotating frame and a back support frame; the U-shaped rotating frame is fixedly connected withthe back support frame, and inner sides of two sides of the back support frame are each provided with a lifting matching groove; two outer sides of the back support frame are connected with two openends of the U-shaped rotating frame; all two sides of the U-shaped rotating frame and two sides of the back support frame are hinged on the base, a first air pump is arranged on the upper part of thebase, and the output end of a first air pump is connected with a cross bar of the bottom of the U-shaped rotating frame; the massage device is used for back massage. The massage chair has the advantages of improving the rotation efficiency of crus rotation, further improving the leg massage, further improving the back massage undulation and beating, further improving the back massage effect and optimizing the massage experience of users.

The invention discloses a horizontal well self-guide hydraulic water jetting device and method. The device comprises an upper connector, a hydraulic cylinder, a connecting sleeve, a push rod, a gravity bar, a direction control ring, a rotating ring, a jetting gun assembly and a lower connector. The device is connected into a pipe string, and is lowered to a design jetting hole, and pressure in a well shaft is increased; the hydraulic cylinder moves downwards after pushed by hydraulic pressure to drive the push rod and the gravity rod to move; the gravity rod is inserted into a spiral milling groove of the rotating ring through guiding of the direction control ring, and then drives the rotating ring to rotate; the jetting gun assembly is connected with the rotating ring; and perforation operation is conducted after the angle is determined. In this way, the device is not influenced by the pipe string structure and well shaft, and the positioning mode is not affected by external environment. When pressure in the tool is increased, a self-guiding mechanism forces a jetting hole to rotate, and the positioning of the jetting hole is accurate and reliable. Jetting ineffectiveness and downhole accidents caused by dangerous formation direction can be effectively avoided, and coal bed gas recovery efficiency and gas disaster control effect are improved.

The invention belongs to the technical field of eye care, and particularly relates to an eye health natural physiotherapy combination which comprises a nano atomization eye moistening instrument, eyemoistening cream, a meridian point intelligent pulse physiotherapy instrument, meridian massage cream, an eye health physiotherapy massage instrument and eye health care cream which are used in a matched mode. According to the invention, the nanometer atomization eye moistening instrument is matched with the eye moistening cream, and the nano atomization eye moistening instrument is used for rapidly carrying out atomization eye moistening effects on eyes, so that the situations of dry eyes, swelling pain and blurred vision decline can be relieved; a meridian acupoint intelligent pulse physiotherapy instrument is used for massaging human cervical vertebra acupoints, and meridian massage cream is matched, so that qi and blood cell microcirculation of the human meridian acupoints is smooth, blockage and swelling pain of the human body can be relieved, and eye fatigue is relieved; the eye health physiotherapy massager is used for massaging acupuncture points around eyes in cooperation withthe eye health care paste, blockage, dryness, fatigue and blurred vision of an eye meridian microneuron system can be effectively relieved, and the optimal comprehensive physiotherapy effect on the eyes is achieved.

The invention discloses a multi-edge bending machine and relates to bending machines. The multi-edge bending machine comprises a concave knife rest, supporting legs at the two sides slightly stretch towards the outside, the outer side of the middle of the knife rest is connected with a swing arm through a shaft, a first upper die is arranged at the vertex of the inner side of the upper supporting leg of the knife rest, a first lower die is arranged at the vertex of the inner side of the lower supporting leg of the knife rest, the dies are connected with the knife rest through bolts, polygonal through holes are formed in the middles of the first upper die and first lower die, polygonal push blocks matched with the through holes are arranged therein, one head face of each push block does not surpass the left head face of the corresponding die, and the end of each push block far away from the corresponding die is connected with at least one push device. After a sheet bends a certain angle, the push devices are started to push the push blocks to move towards the sheet and push one bent edge of the sheet to continue to get close to the other bent edge to realize the larger than 90 degrees bend angle of the sheet.

The invention discloses a tire cross section measuring and detecting device, which comprises a work plate, wherein fixing plates are arranged at the edge sides of the work plate; a first scale identifier is arranged on a cover plate; a second scale identifier is arranged on the work plate; the first scale identifier and the second scale identifier are in mutually vertical arrangement; first through grooves are formed in the work plate; a first handle and a second handle are arranged at the side edges of the work plate; a second through groove positioned between two cover plates is formed in the work plate; a tire crown position limiting seat is arranged on the second through groove; the lower end surface of the work plate is connected with a bottom plate through support legs; the top end of each support leg is hinged to the lower end surface of the work plate; and the tail end of the bottom plate is connected with a slide block through a telescopic rod. The tire cross section measuringand detecting device has the advantages that the design is more reasonable; the defect of manual measurement errors is overcome; a real, reliable, simple and easy-to-implement tire cross section measuring device is provided; and the measurement is convenient.