SU5994A1 - Friction clutch - Google Patents

Description

The proposed friction clutch is intended to transmit rotation from one rotating shaft to another during operation of the first, or stop rotation of the second shaft during operation of the first, or turning the idler pulley into operation, or stop it during operation.

FIG. 1 and 3 of the drawing show partial longitudinal and transverse sections of the coupling, and FIG. 2nd front view with protective cover removed.

One half of the coupling A is wedged on the shaft by means of the key J; This half of the coupling is equipped with screws E, and each of them has right and left threads. A friction roller C is mounted on the screw end of the screw to the axis. Two nuts-slider M of square section converge one way or the other in the middle of the screw; the latter are moved up or down in guide grooves, which are cut in the side walls of half A, and with their ends go out. These ends have a circular cross section and end with a thread and nut. These ends are equipped with elongated oval holes, levers J, which can freely rise straight up or down. The levers are fixed at the ends of the slider nut M with the above-indicated nuts, but so that there is some clearance between the nut and the lever so that the levers can freely rotate at the ends of the slider nut M: for this, the nuts must be pinned after installation. The second tail bars of the levers J have a turned cylindrical hub, which enters the holes in the side walls of the coupling and rotates in the latter when lifting or lowering the slide M on the screw. Holes are drilled in the cylindrical hub of the lever J, eccentrically relative to the cylinder, into which bolt N is embedded with its cylindrical ends so that the bolt rotates as the lever rotates with it also eccentrically. The middle part of the bolt N has a square cross section, with which it enters the G and H pads. The G G pads have a rectangular cross section with which they enter the projected and fitted guide halves A of the couplings and are pressed into the bar K attached to the half A with screws and The pads have only a straight-line movement to the rim of the second half B. The outgoing from the guide ends of the pads G and H are turned to the rim diameter of the second half B of the coupling. The pads have a rectangular hole in the middle part, the horizontal sides of which fit tightly on the squares of the bolts N, and in the horizontal direction significant gaps are left between the side walls of the bolt and the holes to allow the bolt N of legs to rotate lever J freely. the walls of the hole move in a horizontal direction. When the arms J are rotated in one direction, the G and H blocks, due to the eccentric along, the bolt N in the hub lever, will come down and squeeze the rim of half B, or they will disperse and release; the latter will rotate in the opposite direction . 1) The NL, as well as the slider nut, is pumped by cutting, on which the nuts are screwed, the latter being also secured with a lock. In order to communicate the two direction of rotation of the screws E, at the end of the latter, roller C is mounted on the key. Bearing O has a machined distance of a standard part, on which the friction disk D moves freely (not rotating) D. Since half A of the coupling rotates together with the specified friction roller G on the shaft 1, and the disk D does not rotate, then pulling the disk D and pressing one of its edges to the roller C, the latter will rotate with screw E; in the case of pressing the other edge of the disk to the roller C, the latter will rotate with the screw E in the opposite direction.

The longitudinal non-displacement of the disk D is carried out by POMOP1I of the handle t of the lever Z, which rotates on the pivot bolt, passed through when attached to the bearing O eye E.

The second end of the lever arm is connected: with the aid of the ty Zi and the corresponding hinges with the ears p, which are flush on the front 1 surface of the disk D.

Using the handle t, move the lower end of the lever Z to one side; while the upper end is deflected in the opposite direction (on the left) and puts a flat edge of the disk D to the roller C, as a result of which the screw with the roller rotates the shaft 1 to the right, rotates to the left, and the slider nuts M will move apart: the arms J will turn on some angle and moved towards the rim of the half B pads G and H, then the half B of the coupling will rotate with the half of the coupling A as one piece. If you need to stop half j5. This moves the end of the handle t in the opposite direction, with the pads G Tl. H rotates in the opposite direction.

To protect the protruding parts of the coupling, the casing f and the cover 1 with ring W are put on it; the scrubbing is done with screws I.

The subject of the patent.

Friction clutch characterized with use for moving brake pads G 1К N of screws E with right and left threads, carrying nuts-slider M, pivotally connected by levers J from square section in the middle part with bolts N, freely moving in holes of pads G, N to the end trunnions that are exeptrically fixed in cylindrical hubs that enter the holes in the side steppes of one half A of the coupling l are integral with the indicated arms J, which turn and clamp or release the rim of the second half of the coupling B, akreplennoy to engage emoy axis E is performed by rotating the screw using rollers C, nasazhepnyh pas ends screws and driven in rotation in one direction or another by pressing them flanges disk D, by respective prisposobleniO displaceable only in the axial direction.