54results about How to "Easy to control rotation" patented technology

The invention discloses a plastic pipe expanding device capable of processing pipe openings in different sizes. The plastic pipe expanding device comprises a supporting base and a lead; an external wire slot is formed in the outer side of the supporting base, and the lead is fixed inside the external wire slot; a heating mechanism, a fixing mechanism and an expanding mechanism are mounted on the upper side of the supporting base, the heating mechanism is positioned between the fixing mechanism and the expanding mechanism, an internal wire slot is formed in the upper side of the supporting base, and the heating mechanism is mounted on the upper side of the internal wire slot. The plastic pipe expanding device capable of processing the pipe openings in different sizes, disclosed by the invention, has the benefits that as the heating mechanism, the fixing mechanism and the expanding mechanism are arranged on the device, the use of a connector during the plastic pipe connection can be avoided, and the problem that the use cost of plastic pipes is increased due to the use of the connector is also solved; only one connection position can exist between the two plastic pipes, so that the probability of leakage at the connection of the plastic pipes is reduced, and the service performances of the plastic pipes are improved.

The invention discloses a wall brick attaching auxiliary fixing device for building construction. The wall brick attaching auxiliary fixing device comprises a base. A movable plate is movably connected to the upper surface of the base. Object carrying plates are arranged on the side wall of the movable plate at equal intervals and are horizontally and fixedly connected to the side wall of the movable plate. The upper surfaces of the object carrying plates are connected with moving plates in a sliding mode. Suction discs are fixedly connected to the side walls, away from a fixing plate, of themoving plates. By means of the wall brick attaching auxiliary fixing device, attached wall bricks can be effectively pressed and fixed, and meanwhile, wall bricks with different heights can be extruded and fixed, unevenness caused by the increased stressing difference between the wall bricks can be avoided, and convenience is brought to a worker.

The invention discloses a device for depositing diamond coating layers and a preparation method of deposited diamond coating layers. The device for depositing the diamond coating layers comprises a vacuum cavity, and a sample table arranged in the vacuum cavity; the sample table comprises a transmission rod and multiple fixtures; each fixture comprises a clamping part, and a connecting rod fixedlyconnected with the clamping part; driven wheels are arranged on the connecting rods; and the transmission rod drives the driven wheels to rotate to realize rotation of the clamping parts. The preparation method of the deposited diamond coating layers is to use the device for depositing the diamond coating layers to grow uniform diamond coating layers on surfaces of molds, in particular in microholes of microhole wire drawing molds; and the bonding strength between the diamond coating layers and the molds is improved.

The invention discloses a device for coating the surface of paper with polyvinyl alcohol. The device comprises a box body, a motor and paper, wherein the motor is fixedly connected to the upper surface of the top plate of the box body, plural sets of conveying rollers are rotationally connected to the inner side wall of the box body, the output shaft of the motor is in transmission connection withthe conveying rollers through a belt, containing boxes arranged in a staggered manner are fixedly connected to the inner side wall of the box body, a heating drying lamp is arranged on one side of the containing box and fixedly connected to the inner side wall of the box body, a material inlet and a material outlet hole are formed in the side wall of the box body, and the material outlet hole ispositioned on the upper side of the material inlet hole and is parallel to the material inlet hole. According to the invention, with the device, the front surface and the back surface of paper can becoated with polyvinyl alcohol, the drying speed of the polyvinyl alcohol coated on the paper can be increased, the polyvinyl alcohol coated on the paper is prevented from being adhered to the conveying rollers, the coating effect of the polyvinyl alcohol on the paper is guaranteed, and the convenience is brought to workers.

The invention relates to the technical field of baking equipment, in particular to a baking machine with a rotatable baking chamber, which includes an oven, the bottom of the oven is provided with support legs, the inner side of the oven is provided with a partition, and the upper part of the partition is A drive chamber is provided, and a motor is arranged inside the drive chamber, a baking chamber is provided on the lower side of the partition, a heating wire is installed on the inner wall of the baking, and a top center of the two first support plates is installed The first rotating shaft, the first gear and the fourth gear are arranged alternately, the second gear and the third gear are arranged horizontally, the bottom of the installation box is provided with a fourth bearing, and the second rotating shaft is arranged in the fourth bearing , the fifth gear and the fixing hole are connected to the second rotating shaft through a pin rod. The present invention has a simple structure and can evenly rotate the baking frame to ensure that the baked food can be heated evenly, and can save resources and ensure the taste of the baked food .

The invention discloses a double-head hand-pressing rotating mop capable of facilitating control of rotation of a dewatering basket. The double-head hand-pressing rotating mop comprises a mop rod and a double-head mop disc. The mop rod is connected with a driving sleeve. The driving sleeve is connected with a rotating piece. The rotating piece is fixedly arranged on the double-head mop disc through a clamping piece. The double-head hand-pressing rotating mop is characterized in that a groove is arranged at the middle part of the double-head mop disc, a swinging fastener is arranged in the groove, the middle part of the swinging fastener is fixedly arranged on a shaft, clamping teeth are arranged on the inner side end of the swinging fastener, tongue parts are arranged on the outer side end of the swinging fastener, the roots of the tongue parts are connected with clamping springs, the tongue parts can stretch out of the groove and retract into the groove through holes which are formed in the side walls of the groove, and clamping ports which are engaged with the clamping teeth are formed in the rotating piece. Compared with the prior art, the double-head hand-pressing rotating mop capable of facilitating control of rotation of the dewatering basket has the advantages that the structure is ingenious, the design is reasonable, the practicability is high, the orientation and the direction of the mop disc can be controlled conveniently, the mop can be cleaned more conveniently, the cost is low and the mop is simple to manufacture.

The invention discloses a safe and convenient controllable woodworking mechanical device, which comprises a workbench, supporting legs and an electric saw. A movable baffle is arranged on one side of the top end of the workbench. There is a support plate at the bottom, a number of support legs are provided on the bottom edge of the support plate, a motor is provided on one side of the support plate, a lifting platform is provided in the middle of the top of the support plate, a top plate is provided on the top of the lifting platform, and a horizontal plate is provided on the top of the top plate , there is a chute inside the top of the horizontal plate, a slider matching the chute is provided on the chute, brackets are provided on both sides of the top of the slider, and an electric saw is connected between the two sides by bolts. The rotating shaft of the motor one is connected in rotation, and the outer side of the slider is connected with the connecting rod one. Beneficial effect: the electric saw can be driven to rotate along the chainsaw mouth through the slider, so that the chainsaw can be driven to rotate only by moving the slider, and there is no need to manually move the wood to slide along the chainsaw mouth, which can greatly improve safety .

The invention belongs to the field of teaching equipment and particularly relates to a teaching device for public management. The teaching device comprises a display cavity, a first rotating device and a second rotating device and is characterized in that the bottom surface of the display cavity is provided with a base cavity, the top surface of the display cavity is provided with a top plate cavity, a first roller and a second roller are respectively vertically arranged on two sides of the display cavity, and display cloth is arranged between the first roller and the second roller; the firstrotating device for controlling the first roller to rotate is arranged on a first rotary shaft, and the second rotating device for controlling the second roller to rotate is arranged on a second rotary shaft; a sweeping device for sweeping the display cloth is arranged on the top plate cavity; the base cavity is provided with an auxiliary teaching device. The teaching device can provide more presentation data for students and the public and solves the problems of fixed-area display areas in existing teaching, and the display cloth sweeping problem is solved by the sweeping device.

The invention discloses an anti-layering device for a pure colloid storage battery, which comprises a box body, wherein a moving plate is in contact with the inner side wall of the box body, a plurality of through holes are formed in the moving plate, the moving plate is in threaded connection with a threaded rod, the lower end of the threaded rod is fixedly connected with a rotary rod, the lowerend of the rotary rod is rotationally connected to the upper surface of a bottom plate of the box body, a rotating rod is rotatably connected to the upper surface of the bottom plate of the box body,the upper end of the rotating rod penetrates through the moving plate and extends to the upper side of the moving plate, stirring mechanisms are fixedly connected to the rotary rod and the rotating rod, and a rotating mechanism for controlling the threaded rod and the rotating rod to rotate is arranged in a top plate of the box body; and a movable rod is arranged in the box body, and two containing grooves are formed in the inner side wall of the box body. According to the invention, the layering phenomenon of a colloid electrolyte can be effectively prevented, the replacement of the colloid electrolyte is avoided, the waste of resources is avoided to a certain extent, and the use quality of the colloid storage battery is guaranteed.

The invention discloses an automatic copper-clad plate turnover structure capable of changing the turnover number. The structure comprises a rectangular frame and a motor, the motor is fixedly connected to the outer side wall of the rectangular frame, an output shaft of the motor penetrates through the side wall of the rectangular frame and extends into the rectangular frame, connecting frames aremounted in the rectangular frame at equal distances, two connected connecting frames are rotatably connected, the output shaft of the motor penetrates through the side wall of the rectangular frame and is fixedly connected to the outer side wall of one connecting frame, limiting plates which are symmetrically mounted are mounted on the lower surfaces of connecting blocks in a contact manner, andthe limiting plates are elastically connected to the rectangular frame. Multiple copper-clad plates can be turned over automatically and conveniently, according to needs, the turnover number of copper-clad plates can be adjusted, and convenience and rapidness are brought to a worker.

The invention discloses a medical bandage cleaning and sterilizing device. The device comprises a shell, a motor is arranged at the middle part of the top end of the shell, the output shaft of the motor is connected with a first rotating shaft, the first rotating shaft extends into the shell, a part, positioned at the upper part in the shell, of the rotating shaft is provided with a first gear, aposition, below the first gear, of the first rotating shaft is provided with a fixed sleeve, a fixed plate is arranged at the top end of the fixed sleeve, the first rotating shaft goes through the fixed plate and extends to the bottom of the fixed sleeve, a second gear is arranged outside the fixing sleeve, a first rotating cylinder is arranged at the bottom end of the fixed sleeve, the first rotating shaft extends to the bottom of the first rotating cylinder, a connecting plate is arranged at the bottom end of the first rotating shaft, a telescopic rod is arranged at the bottom end of the connecting plate, a second rotating cylinder is arranged at the bottom end of the telescopic rod, a plurality of stirring blades are arranged outside the first rotating cylinder and the second rotating cylinder, a third gear adapting to the second gear is arranged at one side edge of the second gear, a second rotating shaft is arranged at the top end of the third gear, and the top end of the second rotating shaft is connected with the output shaft of the second motor.

The invention relates to the technical field of forging, in particular to a forging device and a forging method for a special material forge piece of maritime work equipment, the forging device comprises a ring forging replacing mechanism, the ring forging replacing mechanism comprises a forging table, an outer anvil piece, a clamping anvil piece and an inner anvil piece, and the outer anvil piece, the clamping anvil piece and the inner anvil piece slide on the forging table in a collinear mode. The outer anvil piece comprises an outer anvil wheel rotating on the forging table, and the outer anvil wheel comprises a special-shaped wheel used for extruding the outer side of the forged piece to be forged. The inner anvil wheel of the clamping anvil wheel is tangent to the inner side of the to-be-forged forge piece, the rotating inner anvil wheel moves in the direction away from the clamping anvil wheel, meanwhile, the pressing disc is matched with the inner tray and the outer anvil wheel, horizontal outward ring expansion forging of the to-be-forged forge piece is achieved, rotation of the to-be-forged forge piece is conveniently controlled, the operation degree is low, and the forging efficiency is high. And meanwhile, the to-be-forged forge piece is gradually expanded outwards, so that extrusion forming of the to-be-forged forge piece by the pressure plate and the inner tray is facilitated, extrusion forming of the outer side of the to-be-forged forge piece by the outer anvil wheel is facilitated, and the forging efficiency and the forging effect are improved.

The invention discloses an ultrasonic frequency conversion handheld shock wave physiotherapy machine, and belongs to the field of medical instruments. An ultrasonic frequency conversion handheld shock wave physical therapy machine comprises a physical therapy machine body and a handle, the side wall of the physical therapy machine body is fixedly connected with a take-up shell, a hollow pipe is rotatably connected in the take-up shell, the side wall of the hollow pipe is provided with a wire outlet hole, the handle is connected with a wire, and the wire outlet hole is communicated with the wire outlet hole. The end, away from the handle, of the wire penetrates through the wire outlet hole, extends to an inner cavity of the hollow pipe and is electrically connected with the physiotherapy machine body, the wire penetrates through the wire collecting shell, and the hollow pipe is provided with a limiting mechanism used for limiting free rotation of the hollow pipe. Through the arrangement of the take-up shell, the hollow pipe and the limiting mechanism, the wire can be taken up and paid off conveniently, winding of the wire or winding of the wire and an external object is avoided, the risk of wire damage is reduced, and the service life of the wire is prolonged.

The invention discloses a deep well salvaging device which comprises a fixing plate. Symmetrically-arranged supporting plates are fixedly connected to the lower surface of the fixing plate, and a steel wire rope, symmetrically-arranged limiting wheels and a clamp are further included; a winding wheel is rotationally connected to the supporting plates, the steel wire rope is wound around the winding wheel, and a fixing block is fixedly connected to the lower end of the steel wire rope; the limiting wheels are symmetrically arranged relative to the fixing block and are elastically connected to the fixing block; the lower surface of the fixing block is rotationally connected with a rotating block, and the clamp is rotationally connected to the rotating block; and a protective cover is fixedlyconnected to the lower surface of the rotating block, a monitor and a plurality of illuminating lamps are arranged in the protective cover, and the monitor and the illuminating lamps are fixedly connected to the lower surface of the rotating block. By means of the deep well salvaging device, salvaging personnel can salvage objects in a deep well and rescue personnel conveniently, the salvaging personnel can observe the internal condition of the deep well conveniently, and therefore the salvaging efficiency of the salvaging personnel is improved.

The invention belongs to the technical field of operation nursing carts, and particularly discloses a nursing cart for a nurse in a hair transplantation operation. The nursing cart comprises a cart main body, wherein the cart main body comprises a plurality of vertical support rods, and a first sliding seat and a second sliding seat are vertically connected to the support rods in a sliding mannerrespectively; a plurality of supporting plates hinged end to end are hinged to the side wall of the first sliding seat, and a torsional spring is arranged between every two adjacent supporting plates;and a gear meshed with a rack is rotationally connected to the side wall of the cart, a second chain wheel is coaxially and fixedly connected to the gear, and a first chain wheel and the second chainwheel are in synchronous transmission through a chain. The invention aims to provide the nursing cart for the nurse in the hair transplantation operation, so as to solve the problem that the legs ofthe nurse are curled up for a long time in the hair transplantation operation.

The invention relates to a fruit juicing device. The fruit juicing device comprises a feeding hopper provided with a feeding port; a seal cap is arranged on the feeding port; a barrel-shaped rotating shaft is rotatably connected in the feeding hopper; a first motor is connected to the enclosing end of the rotating shaft; the rotating shaft is connected to rotating cutters; the rotating cutters penetrate the rotating shaft wall and are in sliding connection with the rotating shaft wall; the bottom of each rotating cutter is a wedge surface; a first elastic element is connected between each rotating cutter and the rotating shaft wall; a slide bar extending to the outer side of the rotating shaft is slidably connected in the opening at one end of the rotating shaft; the slide bar is provided with arc-shaped projections, wherein the arc-shaped projections and the rotating cutters are arranged in a staggered manner; a swing rod with one end hinged is arranged at one end, far from the rotating shaft, of the slide bar; one side of the swing rod is connected to a second elastic element with one end fixed; the swing rod abuts against a cam; the cam is connected to a second motor; the swing rod is in sliding connection with a slide block; and the slide bar is hinged to the slide block. Compared with the prior art, the rotating cutters are driven to move back and forth through the slide bar, so that the juicing efficiency is improved.

The invention discloses a desk. The desk includes an operating table, a locker and an office rack, and the locker and the office rack are respectively located on both sides of the desk; the operating table can store items and work; the office rack can place items; the locker includes a rotating bracket, a drive unit, and a shaft frame and two boxes, the two ends of the rotating bracket are respectively provided with two circular cavities, the two boxes are respectively located in the two cavities, the circular cavity is provided with a bearing ring, the bearing ring and the inner wall of the cavity Rolling connection, the bearing ring and the box are rollingly connected, the two ends of the shaft frame are respectively connected to the rotating bracket and the operating table, the drive unit is located inside the shaft frame, and the driving unit can drive the rotating bracket to rotate around the shaft frame, and each rotation is 180 degrees. The invention has the effects of simple structure and convenient use.

The invention discloses a chain type cutting head. The cutting head comprises a fixing plate, wherein a lower surface of the fixing plate is fixedly connected with a box body, a lower end surface of the box body is fixedly connected with a connecting frame, symmetrically-arranged connecting plates are fixedly connected with a lower surface of the connecting frame, a fixing rod is fixedly connectedwith a side wall of the connecting plate, a rotating shaft parallel to the fixing rod is rotatably connected with an inner side wall of the box body, the rotating shaft and the fixing rod are sleevedwith symmetrically-arranged chain wheels, the chain wheels are sleeved with chains, and the chains are fixedly connected with cutting knives at equal intervals. The cutting head is advantaged in thatwhen a cutting knife is replaced, the cutting knife can be prevented from being disassembled, the manpower and the time are saved, and convenience is brought to workers.