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INVENTION
Patent of the Russian Federation RU2279594
DEVICE FOR TRANSFORMATION OF VIBRATIONAL MOVEMENT
IN REVERSIBLE ROTARY
Applicant's name: State Educational Institution of Higher Professional Education "Ulyanovsk State Technical University" (RU)
The name of the inventor: White David Mikhailovich (RU)
The name of the patent holder: State Educational Establishment of Higher Professional Education "Ulyanovsk State Technical University" (RU)
Address for correspondence: 432027, Ulyanovsk, Severnyy Venets, 32, GOU VPO "Ulyanovsk State Technical University", Vice-rector for scientific work
Date of commencement of the patent: 2005.02.15
The invention relates to mechanical engineering and can be used as a non-contact motion transducer. The device comprises a driving member with a permanent magnet coupled to a source of linear mechanical vibrations, a driven member in the form of permanent magnet working elements mounted on a horizontal axis, and a synchronizing mechanism. The driven link is immersed in a tank with a liquid. The working elements are symmetrically mounted floats on the radial rods, each of which is designed as an aneroid box assembled from two spherical clapping membranes with a permanent magnet in the form of an axially magnetized disk. The synchronizing mechanism is made in the form of a movable permanent magnet located under the reservoir and an immovable permanent magnet mounted above the tank, facing the permanent magnets on the floats, respectively, with opposite and the same poles. The technical result is the expansion of the functionality of the device.
DESCRIPTION OF THE INVENTION
The invention relates to mechanical engineering and can be used as contactless converters of various types of movement into each other.
There are known devices for converting an oscillatory motion into a reversible rotational one, comprising a leading link in the form of a rod connected to a source of mechanical oscillations, a driven link in the form of a rotary disk mounted in the rotation supports, and a link interaction mechanism consisting of intermediate disks, elastic, friction Deformed elements (see AS of the USSR No. 1296764, class F 16 N 21/48, 1987 [1], ac CCCP No. 1578400, cl. F 16 H 21/48, 1987) [2] .
The disadvantages of known devices are the complexity of the design, the presence of direct contact between the lead and the driven links and, as a consequence, low efficiency, reliability, limited functionality.
A device is also known for contactless conversion of vibrational motion into rotational motion, containing a rotor with permanent magnets and an interacting link with it and with a permanent magnet, mounted with the possibility of reciprocating motion (see AS 667734, class F 16 N 21 / 54, 1977) [3] .
Disadvantages of this device are design and technological complexity, and limited functionality due to very stringent requirements imposed on the nature of the oscillations to be converted in terms of amplitude and direction of action.
The closest device of the same purpose to the claimed invention for a plurality of features is an apparatus for converting an oscillating motion into a reversible rotational motion comprising a driving member with permanent magnets connected to a source of linear mechanical oscillations and made in the form of an incomplete turn of a spiral of a permanent magnet magnetized in the direction of the axis Spirals, the driven link in the form of rigidly mounted on the horizontal axis of working elements, which have the possibility of rotation, and equipped with permanent magnets mounted coaxially to the leading link and forming a wedge-shaped air gap with the latter, and a synchronizing mechanism (see USSR AS No. 1588953, cl. F 16 N 21/54, 1990) [4] , taken for the prototype .
The disadvantages of the known prototype device are the considerable complexity of the design, and, most importantly, the extremely limited functionality. The latter is explained by the possibility of transforming only oscillations with small amplitudes and strictly assignments by the direction of action, by significant losses of power due to the use of the oscillations themselves for the process of transformation, and by the energy inexpediency of using this device to obtain objects of useful rotational energy from the energy of parasitic oscillations.
SUMMARY OF THE INVENTION consists in creating contactless devices for converting vibrational motion into rotational motion, providing the creation of a unidirectional torque acting on the rotor, due to the use of magnetic interaction forces with relay elements and the ejecting forces of the fluid.
The technical result is the expansion of the functionality of the device.
Said technical result in the implementation of the invention is achieved by the fact that in a known device for converting an oscillatory motion into a reversible rotational motion containing a leading link with a permanent magnet associated with a source of linear mechanical vibrations, the driven member is fixedly mounted on the horizontal axis of the operating elements, And the synchronizing mechanism according to the invention, the driven member is immersed in a reservoir of liquid, the operating elements are symmetrically mounted on radial bars in a plane of the float perpendicular to the horizontal axis, each of which is designed as an aneroid box assembled from two spherical flapping membranes And having a permanent magnet fixed in the form of an axially magnetized disk mounted on a surface remote from the horizontal axis, and the synchronizing mechanism consists of a mounting device located under the reservoir with the possibility of displacing in the horizontal plane a permanent magnet of the driving member and a fixed permanent magnet fixed above the reservoir facing the reservoir The same orientation of the poles to permanent magnets on floats, respectively, with the same and the same poles.
The essence of the invention is explained in the drawing, which schematically shows the proposed device, a general view with a cross-section.
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The device for converting the vibrational motion to the reversible rotational means comprises a driving member in the form of a permanent magnet 1 connected to the source 2 of linear (vertical) mechanical oscillations, a driven member rigidly mounted on a rotatable horizontal axis 3 of operating elements and provided with permanent magnets, and Synchronizing mechanism. In this case, the driven link is immersed in a stationary non-magnetic reservoir 4 with liquid 5, the operating elements are symmetrically mounted on the radial bars 6 in the plane of the float 7 perpendicular to the horizontal axis 3, each of which is designed as an aneroid box with a vacuum in the internal cavity, Their two spherical flapping membranes with rigid centers 8 and a longitudinal axis perpendicular to the horizontal axis 3, having a permanent magnet 9 located on the rigid center 8 remote from the horizontal axis 3 of the surface in the form of an axially magnetized disk, and the synchronizing mechanism consists of a device 10 arranged under the reservoir 4 An installation with the possibility of an adjustment shift with fixation in the horizontal plane of the permanent magnet 1 of the driving member and an additional permanent magnet 2 fixed above the reservoir 4, with the permanent magnets 1 and 2 facing the same polarity to the permanent magnets 9 on the floats 7, respectively, of the opposite and the same poles. |
THE WORK OF THE PROPOSED DEVICE IS PROVIDED BY THE FOLLOWING
Assume, in the initial state, that the permanent magnet 1 with the aid of the tool 10 mounted on the vertical oscillation source 2 is shifted to the right of the vertical passing through the axis of rotation 3 of the follower link, and all the floats 7 (aneroid boxes) are in a compressed flat state. The permanent magnet 1 is removed vertically from the floats 7 (the degree of initial removal, depending on the amplitude of the linear oscillations, the magnetic interaction force, etc., can be adjusted - the adjustment mechanism is not shown in the drawing) and the driven link is at rest. When vertical oscillations of source 2 occur, the permanent magnet 1 approaches from below to the float 7 located to the right of the vertical axis, due to the magnetic attraction forces of the permanent magnets 1 and 9 facing each other with the same polarity poles, the flapping membranes of the above aneroid box will jump into buckling, and the buoyant The fluid force acting on the right-hand side of the figure. Therefore, when in the subsequent half-cycle of vertical oscillations of the source 2 the magnet 1 goes down, the driven link with the floats 7 starts to rotate counterclockwise in the drawing. In one of the following half-cycles of oscillation of source 2, the permanent magnet 1 will approach the next float 7, which took the place of the previous one (naturally, the frequency of oscillation of source 2 is higher than the angular velocity of rotation of the driven link), and it also inflates with cotton, increasing the torque of the driven member. Thus, all floats 7 to the right of the vertical axis will assume a convex state. As soon as the first of the swollen floats 7 reaches the top point, by interacting with each other the permanent magnets 9 and 2 facing each other with the same poles (magnetic repulsive forces), the aneroid box will clap in the opposite direction for compression and so on. Thus, with oscillations of the source 2, the driven link with the floats 7 will continuously rotate in a counterclockwise direction. To ensure reverse, the magnet 1 in the initial state with the aid of the tool 10 must be shifted to the left of the vertical axis of symmetry of the device.
Obviously, the proposed device is slightly critical to the amplitude and direction of linear oscillations to be converted into rotation, the necessary character of the aneroid box operation when the character of the oscillations is changed is achieved by the initial adjustment. If in known devices there is a significant loss of energy under such transformations, since the oscillation energy is used for the operation of the conversion mechanism, in the proposed device, the rotation of the driven link is practically realized due to the pushing forces of the liquid. The energy of the linear oscillations only goes to the synchronization of the rotation process, namely, the activation of the aneroid boxes in the given position. Due to this advantage, the proposed device can be used as a generator for generating rotational energy from parasitic random linear oscillations.
CLAIM
A device for converting an oscillatory motion into a reversible rotational motion, comprising a driving member with a permanent magnet coupled to a source of linear mechanical vibrations, a driven member in the form of a rigidly mounted on a rotatably horizontal working element axis and provided with permanent magnets and a synchronizing mechanism, That the driven member is immersed in a reservoir of liquid, the operating elements are symmetrically mounted on radial rods in a plane of the float perpendicular to the horizontal axis, each of which is designed as an aneroid box assembled from two spherical flapping membranes and having a fixed A magnet in the form of an axially magnetized disk, and the synchronizing mechanism consists of a mounting device located under the reservoir with the possibility of displacing in the horizontal plane a permanent magnet of the driving link and a fixed permanent magnet fixed above the reservoir facing the permanent magnets on the floats having the same polarity, Poles of the same name.
print version
Date of publication 27.12.2006gg
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