43results about How to "Increase the radius of rotation" patented technology

The utility model discloses a magnetic levitation flywheel energy accumulation system, which has the advantages of small deadweight, large electricity storage, low manufacturing cost, mobile usage, free adjustment of the real-time discharge quantity value to the outside, and quick charge or large real-time discharge; wherein, the axial component of ''the high-vacuum enclosed housing'' is made of materials of low specific gravity. No permanent magnetic material components are positioned on the ''Flywheel'' and the ''Wheel Disk'' is divided into three rings. Four ''Permanent Magnetic Rotating Motor Devices'' are arranged. The ''Magnet bearing'' is ''all magnetic levitation bearing'' or ''semimagnetic levitation bearing''. The utility model is also provided with a device to guarantee the reliability of the mobile usage of the ''Magnet Bearing''.

The invention discloses a power adjusting device for a dust collector, which is used for adjusting the power of the dust collector to meet the requirements of different occasions on suction. The power adjusting device consists of a knob, a knob bracket and a rheostat connected with the knob, wherein the power adjusting device is arranged on the side part of a dust collector body; and only a part of the knob is exposed outside the dust collector body. The power adjusting device can allow a user to optionally, conveniently and continuously change the power of the dust collector so as to meet the requirements of different places on the suction of the dust collector, and reduces a needed space, enhances touch effect, improves use convenience, simultaneously increases the rotation radius of the knob and enhances use safety.

Provide is a yarn winding device capable of providing a package with a uniform winding width even when a distance between a rotary vane and a point where the yarn contacts a contact roller, that is a free length, is different when the yarn is released from the rotary vane between adjoining vane traverse devices. This yarn winding device comprises the traverse devices for traversing the yarn along a guide rail by an upper and lower pair of the rotary vanes rotating in the opposite directions for at least two respective adjoining bobbins for winding the yarn and the contact roller arranged in upstream of the bobbins for a yarn traveling yarn guide and has different free length between the adjoining traverse devices. By making different rotational radii formed by tips of the rotary vanes between the traverse devices, the winding width of each package wound between the traverse devices is uniformized.

An exercise assisting apparatus (1) has a main body (10). The main body portion is provided with a seat surface (2) for a user to be seated in, and a substantially spherical bottom surface (3). The height H of the lowest point of the seat surface (2) is in the range of 100 ~ 450mm, and the seat surface has a restriction unit which restrains the user's buttocks from deviating the seat surface (2). The exercise assisting apparatus (1), in the state of the user is seated in the seat surface, allows the seat surface (2) to incline in all directions while maintaining the bottom surface (3) in a state of touching the ground.

The invention relates to a mechanical hand system comprising a base and a rotation base installed on the upper end face of the base through a first rotating shaft. The rotation base is connected with a first arm through a second rotating shaft. The first arm is connected with a second arm through a third rotating shaft. The second arm is connected with a connection device through a fourth rotating shaft. A first stepping motor for driving the first rotating shaft to rotate is arranged on the rotation base. A second stepping motor for driving the first arm to move is installed at one end of the second rotating shaft. A third stepping motor for driving the second arm to move is installed at one end of the third rotating shaft. A fourth stepping motor for driving the connection device to move is arranged on the upper end face of the connection device. The first arm and the second arm are arc-shaped bent arms with radian correspondingly. The mechanical hand system does not rely on a servo-driven control module, the control module executes a command mentioned above, the computation of a program is omitted, and the program control cost is saved; and meanwhile, the bent arm design is adopted for the mechanical arms, the rotation radius is large, the volume of the mechanical hand system is effectively reduced, and the mechanical hand system can be more convenient and reasonable during use.

The invention provides a food waste treating device. The device comprises a grinding crushing part and a motor part which are arranged from top to bottom, wherein the grinding crushing part comprisesa grinding crushing mechanism; the grinding crushing mechanism comprises a static grinding crushing ring and a rotary crushing assembly; the rotary crushing assembly comprises a grinding plate which is provided with one or a plurality of protruding blocks; a motor of the motor part is capable of driving the grinding plate to rotate through a driving shaft; a protruded part with a crest shaped section is arranged in the middle part of the grinding plate. According to the food waste treating device, the protruded part is arranged in the middle part of the grinding disc, and the section of the protruded part is of a crest structure, so that food wastes entering a grinding chamber are difficultly accumulated in the middle of the grinding plate, and moreover, the frictional force relative to the grinding plate can be reduced, the rotating radius can be increased, the centrifugal force can be improved, and as a result, foods are more easily thrown to the surrounding to be cut and ground, andthe working efficiency is improved.

The invention discloses an annular speed-increasing cyclone for a vertical well. The annular speed-increasing cyclone comprises an inner barrel, a rubber impeller and an outer barrel, wherein the inner barrel is formed by splicing two half barrels which are detachably connected; a rubber barrel groove is formed in the middle of the inner barrel; external thread parts are arranged at the upper end and the lower end of the inner barrel; the external thread parts at the two ends are in threaded connection with locking nuts; a group of tong tooth grooves are formed in the inner wall of the inner barrel; matched tong teeth are placed in the tong tooth grooves; the rubber impeller comprises a rubber barrel and a group of blades which are radially connected to the periphery of the rubber barrel; the rubber barrel is sleeved in the rubber barrel groove; the outer barrel is sleeved on the outer side of the inner barrel; the outer barrel and the inner barrel are fixed through the locking nuts; the outer barrel is provided with a group of blade grooves for the blades to extend out; and movable gaps are reserved between the blade grooves and the blades. According to the annular speed-increasing cyclone, transverse shear stress is applied to drilling fluid at an underground annular position by utilizing the rotation of the rubber impeller, and the flow velocity of the drilling fluid is increased, so that an effect of clearing rock debris falling blocks accumulated and retained in a borehole is achieved.

The invention relates to a kind of back action mechanism of draper-type non segment speed changer. The invention is used to transfer dynamic force of positive-reverse direction, reach the different speed reducing ratio, and suit automotive vehicle drive components of different power equipment. It includes front draper wheel, source of power, back draper wheel, and twisting force cam set fitted over the front draper wheel and after draper wheel with ring. The front draper wheel and the source of the power is set on the front rotating shaft; the front draper wheel is made up of front active semi-wheel set on the front rotating shaft by slip cap and front fixed semi-wheel fixedly set on the front rotating shaft; the after draper wheel is made up of the back fixed semi-wheel and back active semi-wheel which are fitted over the back-shaft.; the twisting force cam set includes cam guide slot set on the active semi-wheel and corresponding cam pin in the cam guide slot; the clockwise rotation cam guide rail and the anticlockwise rotation cam guide rail are set on the inner wall of the cam guide slot; one end of the cam pin is set in the fixed semi-wheel, the other end is set in the cam guide slot and contacted to the opposite rotation cam guide rail and the reverse rotation cam guide rail.

The invention discloses a vehicle boot hinge joint structure, which comprises a boot inner plate support (1), a bend pipe (2), a bend pipe connecting rod (3) and a bend pipe support (4), wherein one end of the bend pipe (2) extends along the horizontal direction, and the boot inner plate support (1) is connected above the bent pipe (2); the other end of the bend pipe (2) is articulated with the end head of the bend pipe support (4), and the bend pipe connecting rod (3) is articulated under the bent pipe (2); the bend pipe (2) is V-shaped, and the distance between the middle point of the section of the bend pipe extending along horizontal direction and a hinge point (A) of the bend pipe (2) and the bend pipe support (4) is between 711 and 869mm; the maximum angle at which the bend pipe (2) rotates around the hinge point is between 58 and 65.5 degrees; the joint of the bend pipe support (4) and the end head of the bend pipe (2) is provided with a U-shaped gap (5); and the end head of the bend pipe (2) is clamped inside the gap. The vehicle boot hinge joint structure has more reasonable design and effectively enlarges the use space of a boot, thereby increasing use value; moreover, the structure is more suitable for a large-boot car model.

The invention belongs to the technical field of dust collection and dust removal in industrial production and discloses convenient-to-move diameter-variable flat-mouth suction pipe cover equipment forefficient dust collection. The equipment comprises a diameter-variable flat-mouth suction pipe cover, a suction cover hanging walking rail, an electric rolling brush and a kiln car, wherein the diameter-variable flat-mouth suction pipe cover comprises a movable rotary seat, a diameter-variable suction opening pipe, suction cover bent pipes, a suction cover flat suction mouth and suction covers; the right end of the diameter-variable suction opening pipe is rotatably mounted on the movable rotary seat; a rotary movable rail is arranged just above the diameter-variable flat-mouth suction pipe cover through a rail fixed bracket in a hoisting manner; the diameter-variable flat-mouth suction pipe cover covers the kiln car; and the electric rolling bush is mounted on the kiln car. By mounting and using the convenient-to-move diameter-variable flat-mouth suction pipe cover equipment for efficient dust collection, the production work is facilitated and the operation of production operation planes of enterprises is not influenced; the diameter-variable flat-mouth suction pipe cover can move at any time by means of the movable rotary seat and the suction cover hanging walking rail; the movable rotary seat and other parts of the suction covers are protected from damages; the labor cost and the potential safety hazards are reduced; and the dust collection area of the suction cover is enlarged and the operation service life of a long-distance suction pipe is prolonged.

The invention discloses a five-axis mechanical arm used for passage verification. The five-axis mechanical arm used for passage verification comprises a first moving shaft which can move up and down,a second moving shaft which is connected with the first moving shaft through a first connecting piece on the first moving shaft and can rotate freely, and a third moving shaft which can move horizontally through a second connecting piece on the second moving shaft; a third connecting piece is arranged at one end, far away from an output end of a second power device, of the third moving shaft; a power device of a fourth moving shaft is positioned on the third connecting piece; an output shaft of the fourth power device is connected with a fourth connecting piece; and one end, far away from theoutput end of the fourth power device, of the fourth connecting piece is connected with a fifth moving shaft. According to the five-axis mechanical arm used for passage verification, related technicalparameters of the mechanical arm can be determined, wherein the rotating arm spread is in the variable rotating radius of 600 to 900 mm, an up-down height stroke is the linear movement stroke of 800mm, and the fastest full stroke is 3 seconds; the rotating radius of the mechanical arm is increased by a telescopic arm; and the verification of tourist information can be performed within a relatively large range.

The invention provides a polarizing device and an optical alignment device, comprise a polarizing unit and a mounting frame. The polarizing unit comprises a polarizing wire grid, a wire grid frame plate and a wire grid adjustment unit. The wire grid frame plate is used for supporting the polarizing wire grid, and is rotationally installed on the mounting frame in the normal direction of the polarizing wire grid as a rotating shaft. The wire grid adjustment unit provides a driving force for rotation of the wire grid frame plate, and the rotating shaft of the wire grid frame plate and the driving force point of the wire grid adjusting unit are located on a pair of diagonal lines of the wire grid plane of the polarizing wire grid. According to the polarizing device and optical alignment device, the problem that the adjusting resolution of an existing polarizing device cannot meet the actual use requirement is solved.