61results about How to "Rotation structure is simple" patented technology

The invention relates to a steering gear, in particular to an underwater electric steering engine and a rudder angle detection method. The underwater electric steering engine comprises an output shaft, an engine base, a worm wheel, a worm, a power system and a steering engine controller. The power system drives the output shaft to rotate through transmission of the worm and the worm wheel. The output shaft extends out of the end, provided with a shaft end cap, of the engine base, and the output shaft is provided with a limiting swing piece at the end. A swing groove is formed in the shaft end cap. The limiting swing piece swings in the swing groove. The steering engine controller is connected with a motor in the power system. An incremental encoder is arranged on the motor. The limiting swing piece and the steering engine controller are used for determining the rudder angle zero point position. The incremental encoder is used for detecting angle change values of a motor output shaft so as to determine the absolute position of the current rudder angle. The power system is arranged in a shell. The shell communicates with the engine base, and the interior of the shell is an oil-filled sealed space. An oil pipe is connected with the shell. The underwater electric steering engine is compact in overall structure and capable of meeting operation demands of full-ocean-depth low-speed large-torque and large-moment output.

The present invention relates to a device for generating limit torque, which generates a rotational displacement to protect a rotating device and automatically returns to the initial position when an external force is eliminated, and a rotating device using the same. The device includes a flexible member that is vertically connected to a rotating shaft and of which the length can be varied in an inward and outward direction with respect to the rotating shaft; an elastic member that is connected to the flexible member and causes the flexible member to receive an elastic force in the outward direction with respect to the rotating shaft; and a cam member that is rotatably connected to the rotating shaft and delivers a rotating force of the rotating shaft to a rotating member. The cam member has a through-hole in which a rotational displacement is generated and through which the flexible member returns to the initial position. According to the present invention, the device for generating limit torque can generate limit torque with a relatively simple structure, and can secure stability.

The invention discloses a stepping type body relaxing device which aims at overcoming the defects that an existing training device cannot effectively relieve the diseases and pains of the waist, and the brain is likely to be vibrated excessively to be damaged. According to the technical scheme, when a power assembly works, a driving wheel drives a driven wheel to rotate through a transmission belt to drive a rotating shaft to rotate, and thus a cam can rotate around the rotating shaft. When the bottom faces of pedals abut against a first arc edge, the pedals are gradually ejected upwards to the highest point by the first arc edge along the rotation of the cam; when the bottom faces of the pedals leave the first arc edge, the pedals conduct the free-fall motion until the bottom faces of the pedals abut against a second arc edge, and the pedals achieve the repeated perpendicular lifting motion along with the rotation of the cam around the rotating shaft. The stepping type body relaxing device has the advantages that the muscle of the waist is fully exercised and effectively relaxed, waist diseases such as lumber muscle strain and chronic lumbago and backache are relieved, the effect of relaxing the body is achieved, and the damage of the brain due to excessive vibration in the moving process can be avoided.

The invention relates to a resistance spot welding device for aluminum-steel special plate welding and a welding method. The technical problems that an existing aluminum-steel special plate resistance spot welding has aluminum plate warping deformation and is poor in welding quality, low in production efficiency and not safe in operation are mainly solved. The resistance spot welding device comprises a center copper electrode, an insulating ring, a steel sleeve, a lower portion copper electrode and an insulation pin, the steel sleeve and the center copper electrode are coaxial, a gap matched with the thickness of the insulating ring is formed between the inner wall of the steel sleeve and the center copper electrode, the outer side of the center copper electrode is sleeved with the insulating ring in an inlaid manner, and the steel sleeve, the insulating ring and the center copper electrode are fixedly connected through the insulating pin to form a whole so as to form a composite electrode; and the lower portion copper electrode and the center copper electrode are coaxial, and cooling nozzles are arranged outside the peripheries of the composite electrode and the lower portion copper electrode. The resistance spot welding device is low in manufacturing cost, high in welding efficiency and high in welding quality and meets the aluminum plate and steel plate welding requirement.

A rotating electric machine includes a motor section and a controller section. The motor section includes an annular stator, a winding wire wound on the stator, and a rotor rotatably disposed inside the stator. The controller section is positioned in an axially non-overlapping position with the stator and controls an electric power supply to the winding wire for a drive control of the motor section. The rotating electric machine also includes a cover having a cylindrical shape which seamlessly covers the controller section and the motor section. The rotating electric machine further includes a lid section for sealing of an end part of the cover. As a result, the rotating electric machine is sealed from dust and water.

An actuator for a valve lift controller comprises a case forming a first and second spaces therein. The first space is supplied with lubricating fluid. The actuator further comprises a feed screw mechanism including a cylindrical spindle and a screw, and converts a rotational movement of the spindle to a linear movement of the screw. The spindle includes a first end portion open to the first space and a second end portion closed to the second space therein. The screw straddles borders between an interior of the spindle, the first space, and an external space. The actuator includes a motor unit which is located in the second space and rotates the spindle. The actuator further includes a sealing member sealing a gap between the case and the spindle to separate the first and second spaces.

When a finishing operation is performed while rotating a workpiece at a main shaft drive of a machine tool, pulsation occurring in a rotation of the main shaft drive is restricted and the rigidity of a main shaft is increased without increasing the size of a bearing. A rotation-resistance device of a main shaft drive in a machine tool has the following structure in the main shaft drive including a main shaft 4, a rotating body 65, and a driving device 6, the main shaft 4 being supported so as to be rotatable with respect to a frame body 2, the rotating body 65 being secured to an end of the main shaft 4, the driving device 6 rotationally driving the rotating body (65). The rotation-resistance device includes a damping device (10) including a damping member, which is provided at the frame body 2 or the rotating body 65 and which includes a resiliently deformable damping section, a pressing-force applying device 66, which applies a pressing force to the damping member by operating fluid, and a damping surface 32, provided at a side of the frame body 2. The damping device 10 causes the pressing force to act upon the damping section to flex the damping section, so that the damping surface 32 and a sliding surface 33 are pressed against each other, and a rotation resistance that allows rotation is applied to the rotating body 65. A low-friction coefficient member 60 is secured to at least one of the damping surface 32 and the sliding surface 33.

The invention provides an intelligent traffic camera and relates to the field of intelligent traffic equipment. The intelligent traffic camera comprises a base, a supporting pillar is fixedly installed at the top of the base, a strut is fixedly installed at the top of the supporting pillar, a fixing unit is arranged on the right side of the strut, a fixing platform is fixedly installed on the right side of the fixing unit, a short-circuit detector is arranged at the top of the fixing unit, a first motor is fixedly installed on the right side of the inner wall of the fixing unit, a threaded rodis fixedly installed at the output end of the first motor, and a first bearing is embedded in the left side of the inner wall of the fixing unit. By the arrangement that a second motor is fittingly used with a first bevel gear, a second bevel gear rotates a rotating rod through a rotating shaft to enable the camera to rotate, rotation of the camera is simplified structurally, convenience in rotation is achieved, and the camera lens is avoided from blurring in rain or fog through a windshield wiper.

The invention relates to a cooking utensil capable of achieving cover opening conveniently. A rotary handle for opening a cover of the cooking utensil is arranged on the periphery of the pot cover, and therefore the force arm of rotary cover opening is large, and exerted force for the cover opening operation by a user is small. Furthermore, the rotary handle comprises a holding part and a fixed part, the fixed part is fixed to the pot cover, and the holding part rotates relative to the fixed part. Therefore, when the user opens the cover, the holding part is held by hand, the rotary handle drives the pot cover to rotate, the rotating acting force of the wrist can be released due to the fact that the holding part can rotate relative to the fixed part at the same time, the convenience of the operation by the user is greatly improved, and the design is more user-friendly.

A tape guide mechanism in a magnetic recording and reproducing apparatus is provided; the magnetic recording and reproducing apparatus includes a movable chassis 1 having a tape guide arm member 30 on which a tape guide 31 is erected and a pair of reels stands thereon and a fixed chassis 2 having a magnetic rotary head thereon, in which the movable chassis 1 moves to one position of said fixed chassis 2 to perform loading and unloading of a cassette and when moves to the other position, tape loading of taking out a magnetic tape from the reel of the loaded cassette to be wound around the magnetic rotary head is performed, wherein after completing the tape loading, the tape guide 31 is fixed to a predetermined position by a guide receiving member 40 that is provided on the fixed chassis 2 to receive the tape guide 31, and in the middle of the tape guide 31 traveling to said predetermined position, the tape guide arm member 30 is made to move along a groove 2a provided in the fixed chassis 2 to determine the position in the chassis plane direction and is guided and moved by the projections 36 provided on the lower surface of the tape guide arm member 30 to determine the position in the height direction.

The invention relates to a cooking utensil capable of achieving cover opening conveniently. A rotary handle for opening a cover of the cooking utensil is arranged on the periphery of the pot cover, and therefore the force arm of rotary cover opening is large, and exerted force for the cover opening operation by a user is small. Furthermore, the rotary handle comprises a holding part and a fixed part, the fixed part is fixed to the pot cover, and the holding part rotates relative to the fixed part. Therefore, when the user opens the cover, the holding part is held by hand, the rotary handle drives the pot cover to rotate, the rotating acting force of the wrist can be released due to the fact that the holding part can rotate relative to the fixed part at the same time, the convenience of the operation by the user is greatly improved, and the design is more user-friendly.

The invention provides an optical connector protecting assembly of an optical adapter and an installing box of an optical adapter, which belong to communication field. The assembly comprises an installing base and a protecting sleeve. The installing base comprises an installing end and a spacing sheet. The protecting sleeve is provided with an open groove capable of containing an optical fiber head, and is movably disposed on the installing base and can move to a first or second position along the installing base. When the protecting sleeve is in the first position, the spacing sheet separates from the protecting sleeve. When the protecting sleeve is in the second position, the spacing sheet is clamped on the protecting sleeve, enabling the protecting sleeve and the installing base to be fixed and lock the optical fiber head in the protecting sleeve. The protecting assembly is simple in structure and convenient in operation and is free of bolts. After the optical fiber head is installed in the optical adapter, a rotating protection sleeve is clamped by the spacing sheet on the installing base, and the protection sleeve conducts a spacing on the optical fiber head. As the protection sleeve cannot be opened after being clamped, the optical fiber head cannot be taken off from the optical adapter at will, effectively protecting the optical fiber head.

The invention relates to a tea leaf sorting machine. The tea leaf sorting machine comprises a rack, a motor is arranged at one end of the rack, and a support is arranged at the other end of the rack. The support is provided with a sorting device. The tea leaf sorting machine further comprises a storage unit matched with the sorting device and also comprises a controller connected with the motor, and the motor is in transmission connection with the sorting device. To sum up, the sorting device, the storage unit and the controller are arranged on the preferable support in the scheme, classified treatment of tea leaves is achieved, and the movement speed of the sorting device can be controlled through the preferable controller so that the tea leaf sorting machine can adapt to more kinds of tea leaves. The production efficiency is improved, and the production cost is reduced. The tea leaf sorting machine is simple in overall structure, high in practicability, low in cost and capable of being widely applied to agricultural corporations and tea workshops.

The invention discloses a massage armchair with a long massage stroke. The massage armchair comprises a base, a seat bracket, a leg supporting member and a manipulator assembly, wherein the seat bracket is hinged to the base, a lying mechanism is further arranged between the seat bracket and the base, slide rails are arranged at the two sides of the seat bracket, the manipulator assembly comprisesa slipping base, a massage member and a driving member, the slipping base is arranged on the slide rails in a sliding manner, the massage member is arranged on the slipping base, a sensing device isarranged at the front end of the slipping base, the leg supporting member comprises a main body, a first leg support and a second leg support, the first leg support and the second leg support are located on different side faces of the main body, and a turnover mechanism is arranged on the main body; the turnover mechanism comprises a fixing frame and a fulcrum member, the fulcrum member is fixed on the main body, the fixing frame and the fulcrum member are in running fit, hooks are formed on the fixing frame, the leg supporting member is hinged to the seat bracket through the hooks, and a linkmechanism is further arranged between the leg supporting member and the seat bracket. The massage armchair is simple in structure and beneficial to realization, and thus, a moving distance of a manipulator on the seat bracket is prolonged.

The invention discloses a walking wheel assembly, and relates to the technical field of automobile production equipment. The walking wheel assembly comprises a bearing shaft which is rotatably connected to the upper part of a rotating shaft and is used for placing a clamp, the lower part of the rotating shaft is provided with a walking wheel, and the axis of the walking wheel is basically perpendicular to the axis of the rotating shaft; and a plurality of guide wheels are arranged at the bottom of the rotating shaft through a mounting plate, and the axle of the guide wheels are basically parallel to the axis of the rotating shaft. According to the walking wheel assembly, compared with the prior art, the walking wheel is located on a track, the guide wheels abut against the side face of thetrack, the track is connected with a switching device for driving the track to rotate, the switching device drives the track to rotate, the rotating shaft is driven to rotate relative to the bearingshaft through the guide wheels, and the walking wheel rotates along with the rotating shaft to realize the longitudinal/transverse switching of the conveying direction, the clamp is arranged on the bearing shaft and does not need to be rotated, the space to be avoided by the walking wheel is small, the rotary structure is simple, and the manufacturing cost is low.

The invention discloses a stirring machine for mixed fish forages. The stirring machine comprises a chassis, a discharging chute, a charging barrel, a crank arm component, a motor and a speed reducer, wherein the charging barrel is mounted on the chassis; a flashboard control blanking port is arranged on a base plate of the charging barrel; the discharging chute is located under the blanking port and is connected in a high-inside low-outside form; the bottom end of a central shaft of the crank arm component arranged in the charging barrel passes through the base plate and is connected with the speed reducer under the base plate; the motor is used for driving the speed reducer, thereby forming a rotating mechanism of the crank arm component relative to the charging barrel; the crank arm component is provided with three hung crank arms; the crank arms are different in radial stretching length and radial stretching direction; free ends of the staggered crank arms are fixedly connected with scraper blades; one sides of the rectangular scraper blades face to a rotating direction; during a rotating process, the ingredients filled in the inner cavity of the charging barrel are stirred; after the ingredients are uniformly stirred, the flashboard is opened; and the mixed fish forages are discharged from the discharging chute and are reserved. The mechanical stirring is adopted by the stirring machine, the production efficiency is high, the forages are uniformly mixed, and the produced mixed fish forages are high in quality.