Leaf springs (F16F1/18)

Spring from composite materials // 2600970
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely, to motor vehicles leaf springs. Spring from composite materials comprises unit of sheets with successively increasing length and protruding in both sides from inner bearing part. Unit is made in form of variable thickness continuous beam, distributed relative to variable radius middle cylindrical surface and decreasing from supporting to end parts. Reinforcing material made in form of two groups of interdependent threads oriented at angle of 90 degrees to each other, distributed in layers equidistant to spring side surface. One group of all layers threads is located in support part central cross-section parallel to middle surface with gradual turn from it as they approach end parts, where both groups of threads are directed to middle surface at sharp angles.EFFECT: higher service life of spring with simultaneous reduction of weight and manufacturing labor input.8 cl, 3 dwg

Kochetov spring vibration isolator // 2584283
FIELD: machine building.SUBSTANCE: invention relates to machine building. Vibration isolator contains a frame designed as an upper platform for installation vibration isolated object and a lower base between which the elastic element is installed. On the lower base the stroke limiters of the unit of elastic elements of cushion spring type and baffle plate are placed. Lower base part contacting with free ends of cushion springs, is coated with frictional material. Unit of elastic elements consists of four packages of cushion springs of various height and angle of inclination to vibration isolator axle. Packages through spacer rings are placed on vibration isolator axle and fixed with help threaded shank and nut. Vibration isolator axle is rigidly connected to upper platform of frame. Each of packages of cushion springs contains three cushion springs of identical height and angle of inclination located with respect to each other at an angle 120. To free end of vibration isolator axle is rigidly fixed buffer spring turns of which are coated with vibration damping material. Baffle plate type is composite and consists of three damping layers.EFFECT: higher efficiency of vibration isolation.1 cl, 4 dwg

Kochetov unit of elastic elements of spring type // 2584280
FIELD: machine building.SUBSTANCE: invention relates to machine building. Unit of elastic elements contains a frame as a base and an upper platform for installation of vibration isolated object. External package of cushion springs is fastened to the upper platform by means of fastening elements. Frame base is used for arranging of stroke limiters of cushion springs of the external package. Unit of elastic elements consists of three packages of cushion springs of various height and various angle of inclination. Frame axle is rigidly connected to the upper platform. Packages of cushion springs are fixed on the frame axle through the spacer rings. At the centre of the lower base baffle plate and buffer for damping of impacts are installed. Lower base in place of contact with free ends of external package of cushion springs is coated with a frictional material. Each of packages contains three cushion springs of identical height and angle of inclination located with respect to each other at an angle 120. Spacer rings are made from vibration damping material, for example polyurethane. Baffle plate and buffer are made in form of springs, turns of which are coated with vibration damping material, for example polyurethane.EFFECT: higher efficiency of vibration isolation.1 cl, 4 dwg

Kochetov equifrequential package of cushion elements // 2583404
FIELD: machine building.SUBSTANCE: package of elastic elements consists of three vibration isolators, made from cushion springs with upper and lower horizontal shelves. Outer vibration isolator is fastened by means of fastening elements to the platform. Each of vibration isolators consists of three cushion springs of different height and different angle of inclination to a package rod. Vibration isolators are fixed on rod pack through spacer rings and are arranged relative to each other at angle of 120. Lower horizontal shelves of springs of each consequent vibration isolator are located with increase by the height, determined by a conic surface inscribed in points of bending of lower horizontal shelves of the cushion springs. Spacer rings are made from vibration damping material, for example polyurethane. Lower horizontal shelves on side in contact with base are coated with copper-based sintered friction material.EFFECT: higher efficiency of vibration isolation.1 cl, 4 dwg

Vibration isolator // 2567101
FIELD: machine building.SUBSTANCE: invention relates to machine building. The vibration isolator contains spring material strip. The roll of initial shape is obtained by deformation of the strip to cylindrical shape. The roll of final shape is obtained with its ends laid with overlapping up to 3/4 of the length of initial roll circle and heat treatment up to necessary strength.EFFECT: improvement of vibration isolating properties is achieved.1 dwg

Spring // 2542812
FIELD: transport.SUBSTANCE: invention relates to automotive industry. This solid spring is composed of two spiral parts connected in arc and arranged in one plane. Spring central part is secured to axle beam while lateral limiters secured at the frame are arranged on spring both sides. Said cross-wound spiral parts stay in contact. Spiral coil length varies with the length of connection arc straightening.EFFECT: higher quality of spring protection against notable dynamic loads, stable position of vehicle body without application of dampers.6 cl, 2 dwg

Kochetov's vibration isolator // 2538504
FIELD: machine building.SUBSTANCE: invention relates to machine building. The vibration isolator contains a frame designed as an upper platform for installation vibration isolated object and a lower base between which the elastic element is installed. On the lower base the stroke limiters of the unit of elastic elements of cushion spring type and baffle plate are placed. The lower base part contacting with free ends of cushion springs, is coated with frictional material. The unit of elastic elements consists of four packages of cushion springs of various height and angle of inclination to the vibration isolator axle. The packages through spacer rings are placed on the vibration isolator axle and fixed with the help threaded shank and nut. The vibration isolator axle is rigidly connected to the upper platform of the frame. Each of packages of cushion springs contains three cushion springs of identical height and angle of inclination located with reference to each other at the angle 120.EFFECT: higher vibration isolation efficiency.4 dwg

Kochetov's equifrequential package of spring-type elastic elements // 2537897
FIELD: machine building.SUBSTANCE: invention relates to machine building. The package of elastic elements consists of three vibration isolators, designed from cushion springs with the upper and lower horizontal shelves. Outer vibration isolator is fastened by means of fastening elements to the platform. Each of vibration isolators consists of three cushion springs of different height and different angle of inclination to a package rod. Vibration isolators are fixed on the package rod through spacer rings and are placed with reference to each other at an angle 120. The lower horizontal shelves of springs of each consequent vibration isolator are located with increase by the height, determined by a conic surface inscribed in points of bending of lower horizontal shelves of the cushion springs.EFFECT: higher vibration isolation efficiency.4 dwg

Kochetov's unit of spring-type elastic elements // 2537896
FIELD: machine building.SUBSTANCE: invention relates to machine building. The unit of elastic elements contains a frame as a base and an upper platform for installation of vibration isolated object. The external package of cushion springs is fastened to the upper platform by means of fastening elements. The frame base is used for arranging of stroke limiters of cushion springs of the external package. The unit of elastic elements consists of three packages of cushion springs of various height and various angle of inclination. The frame axle is rigidly connected to the upper platform. The packages of cushion springs are fixed on the frame axle through the spacer rings. At the centre of the lower base baffle plate and buffer for damping of impacts are installed. The lower base in the place of contact with free ends of the external package of cushion springs is coated with a frictional material. Each of packages contains three cushion springs of identical height and angle of inclination located with reference to each other at the angle 120.EFFECT: higher vibration isolation efficiency.4 dwg

Isolation pad (versions) // 2534097
FIELD: machine building.SUBSTANCE: isolation pad comprises resilient element of flat springs , each being provided with central horizontal part and lateral flange with thrust section at its end. In compliance with first and second version, each of said spring is composed of six symmetric flanges made integral with central part. Planes of bends of adjacent lateral flanges are directed upward and downward relative to spring central part plane. Damping elements of damping material are arranged between said springs and, in compliance with first version, composed of washers and, in compliance with second version, composed of liners. In compliance with third version, each of said spring is composed of two symmetric flanges made integral with central part. Damping elements composed of damping liners are arranged between said springs.EFFECT: lower labour input, higher efficiency of damping.3 cl, 6 dwg

Resilient suspension with regressive-progressive characteristics // 2521879
FIELD: transport.SUBSTANCE: invention relates to machine building, particularly, to automotive resilient suspensions with nonlinear resilient characteristics. Proposed suspension comprises lever, resilient element and extra resilient element. One end of said lever is articulated with carrier body while is connected with the wheel axle. Resilient element is composed of slightly bent long plate with one end articulated with carrier body in the lever swing plane. Lever opposite end is rigidly coupled with said lever so that plate end abuts on the lever flat surface while the plate convex side in operation interacts with the lever flat plane in run-in mode. Extra resilient element is composed of slightly bent long plate with one end articulated with the lever. Opposite end of the lever is rigidly secured to carrier body to make plate end abuts on carrier body. Plate convex side interacts with the body flat surface in run-in mode.EFFECT: decreased load at suspension resilient element at puncture and higher stiffness at release.3 dwg

Hydraulic telescopic shock absorber // 2494295
FIELD: machine building.SUBSTANCE: shock absorber includes a housing, a cylinder, a stock, a piston-valve, a sleeve-governor, a rod with tracks, which is telescopically installed in the stock, a bottom valve, and a guide of the stock. Tracks on the rod are screw-shaped and have constant or variable angle of twist to the stock axis. When moving on the rod track, the guide stop turns the sleeve-governor; at that, holes in the stock are covered, thus changing the quantity of bypassed liquid. As per the first version, in the shock absorber the rod end is fixed in the bottom valve zone against being turned and against axial movement. As per the second version, in the shock absorber the rod end is fixed in the bottom valve zone against axial movement. Shock absorber includes an additional valve with channels adjoining the bottom valve holes. When moving on the rod track, the guide stop that is additionally made on the stock turns the rod; at that, holes in the additional valve are covered, thus changing the quantity of bypassed liquid.EFFECT: obtaining automatic adjustment of a shock absorber force depending on a stock position, as well as providing the possibility of readjustment of the shock absorber without its removal.2 cl, 3 dwg

Damper // 2491452
FIELD: machine building.SUBSTANCE: proposed damper comprises disc and deformable ring. Adequately shaped slot (hole) is made in the disc for attachment to part to be damped. Deformable ring is secured to the disc at several points to make damper lugs. Resilience and elasticity of said lugs allow absorbing of vibration and shock energy.EFFECT: simplified design, decreased overall dimensions and metal input, higher strength.11 dwg

Elastic damping support of rotor // 2486384
FIELD: machine building.SUBSTANCE: support includes external and internal rings and a multilayered pack of corrugated ring plates, which is arranged between them. Projections are made on inner surface of the external ring. Threaded holes are made in internal ring and threaded displacers that provide preload of each corrugation of ring plates are installed in them.EFFECT: improvement of dissipative properties in resonant modes owing to providing the damper operation at optimum preloads and simplification of the manufacturing procedure.1 dwg

Shock absorber // 2469223
FIELD: transport.SUBSTANCE: shock absorber cage and rod are jointed together by stack of plates arranged inside said cage. Said stack consists of alternated flexible stationary and moving plates. The number of stationary plates exceeds that of moving plates by one. Said plates are made from identical material and feature identical thickness. Cage has blind bottom and is closed by cover rigidly jointed therewith. Size of moving plates exceeds that of stationary plates by lateral stroke magnitude. Clearance between said plates in said stack is set by cover clamp. Stationary plates and cover have central bores to accommodate the rod. Moving plates are rigidly jointed with rod at their center. Stationary plates are jointed with cage outer edges with a slide fit.EFFECT: better damping.1 dwg

Vibration-damping support // 2466313
FIELD: machine building.SUBSTANCE: vibration-damping support includes external and internal cages. One cage is connected to vibrating object, the other - to fixed foundation. Elastic element that connects the cages is made as plate corrugated by radial directions or a pack of such plates. Plates are bended in a ring and located with pretension in annular cavity formed by cages. The cavity is completely filled with operating viscous fluid, for example, with mineral oil. O-rings from elastic material, for example, rubber, seal the said cavity along edges.EFFECT: damping of broad-band spatial vibration and possibility to work in wide range of temperatures.2 dwg

Spring for shield of netlike thrust reverse of aircraft turbojet engine // 2466312
FIELD: machine building.SUBSTANCE: leaf spring (17) has two branches (19, 21) that form U-shaped part. The ends (19a, 19b, 21a, 21b) of these branches are made with the possibility of interaction with reverse shield and actuating rod (15) of this shield correspondingly.EFFECT: reduction of spring mass.10 cl, 4 dwg

Leaf spring // 2457373
FIELD: transport.SUBSTANCE: leaf spring has two adjacent leafs with longitudinally varying cross-section. One side of leaf is smooth and the other is shaped. The mentioned leaf sides are located mutually symmetrically. The leaves are contacting with each other directly or through gaskets, solely through points on smooth, not shaped surface.EFFECT: creation of leaf spring with improved damping properties.2 cl, 5 dwg

Flexible suspension with nonlinear characteristics // 2457119
FIELD: transport.SUBSTANCE: invention relates to machine building, namely to flexible suspensions of vehicles with nonlinear characteristics. Flexible suspension of vehicle wheel contains link and resilient member. By its one end, the link is gimbal-mounted on vehicle body, and by its other end it is connected with wheel spindle. Top surface of the link is made flat. Resilient member is made in the form of slightly bent elongated plate. One end of the plate is gimbal-mounted on vehicle body in link swinging plane. The other end of the plate is rigidly connected with the link so that plate end adheres to flat surface of the link, and convex side of the plate interacts with flat surface of the link in burnishing mode during operation.EFFECT: providing nonlinearity of vehicle suspension characteristic.2 dwg

Vibratory bearing // 2426920
FIELD: machine building.SUBSTANCE: vibratory bearing consists of flat flexible elements arranged in form of arc. The flexible element is made in form of convex bearing plate (1) whereto there are perpendicular hinged compensating plates (5) in deformed condition. Reaction forces from the side of compensating plates (5) are directed towards each other. Opposite ends of the plates are secured in stops. The stops are controlled with a travelling bush with a self-locking threaded part.EFFECT: increased service life and control of vibratory bearing rigidity.1 dwg

Spring plate of combined profile (versions) and spring (versions) using spring plate // 2414635
FIELD: machine building.SUBSTANCE: spring plate of combined profile has thick central part with central platform, thin end parts of continuous profile and working parts positioned between central and end parts. The working parts are made out of combination of parts of continuous profile adjacent to the central part and of parts of alternate profile adjacent to the end parts. Distance between their dividing cross sections on both arms of the plate is equal to working length of the following spring of a short plate in a package. According to the second version an additional distinguished feature of the spring plate is like follows: working parts of continuous profile adjacent to the central part have thickness equal to thickness of the central part. The combined spring has several spring plates. Also, the root plate has a combined profile, while the last plate has an alternate profile. The spring plates contact each other along projection of the central platform and ends of the last plate of alternate profile. Thickness of the central part of the plate of combined profile is equal to thickness of the last plate of alternate profile. Few-plates trapezoidal spring consists of a package of overlaid plates of combined profile with step-by-step decreasing working length and of a following plate of alternate profile. All plates contact each other along whole plane of contact. A combined two-step spring includes a main spring and an additional spring set in a lower position. The main spring consists of plates of similar combined profile where distance between cross sections dividing working parts of continuous and alternate profile on both arms of the plate is equal to working length of the additional spring.EFFECT: raised efficiency of metal use.5 cl, 6 dwg

Connecting device deformed in one direction // 2402698
FIELD: machine building.SUBSTANCE: device consists of two flat, in essence, identical elastically deformed plates (12, 14) each with two opposite ends and of two thrust elements (16, 18) for connection of corresponding ends of two plates and for retaining plates in state of rest, in essence, parallel to each other without any mechanical connection between said plates. Each of the said two parts is designed to be attached to the corresponding plate; also two parts can considerably travel one relative to another in the direction perpendicular to two plates; at the same time the said parts perform extremely restricted travels one relative to another in two other directions of the rectangular system of coordinates. The device for positioning a back stop of a sheet-metal press consists of two fixed cheeks and of a movable support for the said stop; the device also consists of the two first guides attached to the cheeks parallel to direction XX', of the two second guides attached to each side of the support and parallel to direction RR' perpendicular to direction XX', of two coupling units each positioned between the first and the second guides. Additionally, the device consists of the first driving element to transfer the said unit relative to the first guide and of the second driving element to transfer the second guide relative to the said unit. Each connecting unit contains the said connecting device positioned between the first and the second driving elements so, that the plates of the connecting device are parallel to planes defined with directions XX' and RR'.EFFECT: alignment of connected mechanisms with high precision.12 cl, 10 dwg

Bow spring // 2364772
FIELD: mechanical engineering.SUBSTANCE: invention refers to resilient elements of blade gasodynamic bearings used in small-sized high-speed turbomachines. The spring cut out from one plate contains multiple elementary arc-shaped springs (2) and (3). Springs (2) and (3) are located alternatively. Short springs (2) have equal length between reference edges. Long springs (3) also have equal length. The elementary springs (2) and (3) are interconnected by narrow bonding strips (8). Variable dependence of bow spring total tension on load is achieved due to difference in lengths for springs (2) and (3). Variable tension of bow spring in direction of elementary springs location is achieved due to variable width for springs (2) and/or variable width for springs (3).EFFECT: reduction of shaft and bearing friction surfaces deterioration at start and stop of turbine rotor, reduction of rotor radial shift in bearing under action of heavy load and providing high limit carrying capacity of bearing at high rotor speed, providing assignment of various maximum inflection values to elementary springs and providing ease of bow spring manufacturing.7 cl, 12 dwg

Laminated spring support // 2345907
FIELD: transport.SUBSTANCE: laminated spring support contains pair of laminated spring packets that are directed opposite to each other on floating and fixed support elements with certain gap for coned part of fixed support element. Each pair of packets is secured individually by fastening elements to floating support.EFFECT: securing even rigidity during spring support work part deformation and increase of reliability of laminated spring support fastening.4 dwg

Spring-type equifrequent vibration insulator // 2282074
FIELD: mechanical engineering; protection of technological equipment against vibrations.SUBSTANCE: proposed spring-type vibration insulator has base, strut, spring-type flexible member and bearing unit. Spring-type flexible member has varying section in mutually perpendicular planes. Cross-sectional area increases from bearing unit on which object to be vibration insulated is secured towards strut where other end of flexible member is rigidly secured.EFFECT: enhanced efficiency of vibration insulation due to equifrequency.1 dwg

Spring-type vibration insulator // 2282073
FIELD: mechanical engineering; protection of technological equipment against vibrations.SUBSTANCE: proposed spring-type vibration insulator has base, strut, spring-type flexible member and bearing units. Flexible member has section varying in plane passing through its axis of symmetry perpendicularly to base. Cross-sectional area increases from bearing platform towards termination of flexible member. Bearing platform is made in form of closed profile embracing at spaced relation end of flexible member to ensure its motion.EFFECT: enhanced efficiency of vibration insulation due to equifrequency.3 dwg

Compound spring support // 2254506
FIELD: mechanical engineering.SUBSTANCE: compound spring support comprises the stack of springs, means for locking the spring made of through opening in the basic inner part of the spring with corresponding pin and locking the sheet springs against movement or rotation in the transverse plane of the support, members for fastening the stack of springs, and units for securing the compound spring support. The support is made of at least two individual springs which are diverging from the basic (inner) ends within the angle from 0° to 180°. The means for locking the springs and the spring support is made of a nonsolid sleeve provided with openings for the pin on its base and grooves on the cylindrical part for fitting the stack of the springs. The fastening member of the stack of the springs comprises two flange bushings. The inner bushing is provided with the thread on the outer surface, and the outer bushing is provided with a threaded opening. The fastening member also has two dummy hollows for the pins which define a cylindrical body provided with outer ring space for nonsolid sleeve which has inner ends of the springs with pins. The first ends of the pins are set into the openings in the sleeve base. The second ends are set into the dummy openings in the outer flange bushing . The member for fastening the support to the object to be insulated is made of a threaded opening provided in the inner flange bushing. The member for fastening the working outer section to the frame is composed of two ring segments interconnected trough fastening members.EFFECT: expanded functional capabilities.1 dwg

Leaf spring vehicles // 2213280
The invention relates to the field of engineering, namely, the leaf springs of motor vehicles

A method of manufacturing leaf springs // 2121615
The invention relates to the field of General engineering, in particular to methods of forming leaf springs

Leaf spring // 2091629

Leaf spring // 2090789
The invention relates to the field of engineering and relates to leaf springs, carrier made of spring rolled from one side of which is made a longitudinal protrusion and the back side corresponding to the protrusion of the longitudinal groove

Leaf spring // 2082035
The invention relates to a transport machine building, particularly to suspensions of vehicles

Leaf spring // 2055245
The invention relates to mechanical engineering and for the design of leaf springs of vehicles

Leaf spring // 2042062

Spring rus // 2039892
The invention relates to vibration protection technology and can be used for protection of various objects from external mechanical vibrations and external environment from the oscillations generated by the object

Leaf spring // 2037688
The invention relates to mechanical engineering and for the design of leaf springs of vehicles, mainly cars

Leaf springs // 2011055
 
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