Damper of vehicle suspension and vehicle with its use

FIELD: machine building.

SUBSTANCE: damper contains package of pre-pressed resilient element, it is located between the support elements of end flanges. In cavity inside the package a rod is installed, it is located inside the guide, and by one end is inserted in the end flange. At the other end of the rod the insert is located, through it the rod is connected with the guide by free end fixed in another end flange. In the damper cavity the inserts are installed, they enclose the rod with guide, and create guide surface for the resilient elements movement. Inside the resilient elements the inserts are located, they are interfaced with guide surface of the inserts and connected with plates, through them the resilient elements are located one on another. The support element of each end flange is made as thrust plate enclosing its shoulder. The vehicle contains framework and wheel propulsive unit connected with each other by means of the cushioning system comprising dampers.

EFFECT: improved operation reliability, and simple design of damper.

3 cl, 7 dwg

 



 

Same patents:

Shock absorber // 2371616

FIELD: mechanics.

SUBSTANCE: shock absorber (12) comprises tubular casing (13) with central lengthwise axle (14). Free ends of casing (13) and moving rod (15) accommodate fasteners (16, 19). Friction damping unit (32) comprises elastic coating of friction damping (36) that partially displaces in lengthwise-and-axial direction relative to casing (13) and rod (15). Thrust element (44, 45) is rigidly attached relative to casing (13) and faces aforesaid coating of friction damping (36). At least one thrust element (44, 45) interacts directly with elastic coating of friction damping (36).

EFFECT: simpler design.

15 cl, 13 dwg

FIELD: instrument making.

SUBSTANCE: invention is related to shock absorber, in particular for washing machines of drum type with centrifuge. Shock absorber comprises tubular body with central longitudinal axis, with end of body on the side of stem and with free end of body. Mobile stem extending from body free end is introduced in body with central longitudinal axis and with free end of stem. At free end of body and at free end of stem, fixture elements are installed. Shock absorber has unit of friction damping for creation of specified friction damping between body and stem both in direction of stem introduction and also opposite to this direction. For damping and alignment of stem deviation in plane perpendicular to central longitudinal axis, shock absorber is equipped with unit of aligned damping.

EFFECT: invention provides for noiseless and low-wear alignment of stem in body.

13 cl, 13 dwg

FIELD: machine building.

SUBSTANCE: invention relates to machine building and can be used for vibration insulation of processing equipment. The proposed vibroinsulator comprises a casing, flexible and damping elements. The casing represents a plate with holes and flexible mounting elements attached to the plate lower surface. The cover that represents a reverse cup with a central hole is attached to the plate. The piston made from friction material interacts with the cover inner surface. The said piston is jointed to the receiver bushing aligned with aforesaid cover central hole. The piston is jointed to receiver bushing with the help of thread stud and top and bottom nut-jointed washers. At least, two flexible lock rings are arranged inside the piston and aligned with it. The piston is spring-loaded by the top conical spring relative to the cover and by bottom conical spring, relative to the plate. The larger bases of conical springs face the cover and the plate, respectively. The bottom conical spring is mounted on the plate via the annular elastic damper that houses the coaxial ring made from thread-waste-type wire.

EFFECT: higher efficiency of vibration insulation.

2 cl, 2 dwg

FIELD: machine building.

SUBSTANCE: proposed system comprises platform resting on two vibroisolators and damping element arranged there under. One vibroisolator is arranged above the platform free end and secured at the lever. Two vibroisolators are secured at the lever opposite ends relative to platform free end. Damping element is secured at the platform opposite end. Every said vibroisolator comprises the case rigidly connected with the base composed by round centre plate. Damper is secured to case base with the help of upper pressure plate. Said damper comprises gauze elastic element to be locked by upper and lower plates to rest on the base. Said base is composed by the plate with mounting holes. Lower plate is connected with the base. Upper pressure plate is connected with central ring clamped by coaxial ring connected with the base.

EFFECT: efficient damping in resonance mode, simplified design and assembly.

3 dwg

Absorbing apparatus // 2473440

FIELD: transport.

SUBSTANCE: invention relates to friction absorbing units of freight car automatic couplers. Absorbing apparatus comprises barrel-like casing with boss on bottom inner side, pressure cone, two friction wedges with bearing plate, pairs of moving and fixed plates, all arranged in said casing symmetrically with its inner walls. Besides, absorbing apparatus comprises retaining-return device composed of a stack of polymer resilient elements arranged together with bearing plate and wedges between pressure cone and casing bottom and tightened up by bolt passed through central hole. Every said polymer resilient element represents variable-cross-section body of revolution with stepped hole along axis of revolution. Section with maximum OD is located between two different-size end of said body to divide outer lateral surface of the latter into two adjacent parts. Distance from said section to smaller end makes 0.30-0.55 of that to larger end.

EFFECT: absorption capacity increased for classes T2, T3.

8 cl, 8 dwg

Shock absorber // 2462629

FIELD: machine building.

SUBSTANCE: shock absorber comprises a shell for fixation to a base and an elastomer elastic element from two parts placed into a shell. The external surface of each part of the elastomer elastic element is formed with a cylindrical surface transferred from one side into a part of a toroid surface, and on the inner side - into a conical surface. Cylindrical grooves are evenly arranged on a conical surface of each part of an elastomer elastic element radially to an axis of a shock absorber. In the centre of each part of the elastomer elastic element at the side of the conical surface there is a bore in the form of a part of the inner toroid surface. In the central hole of the elastomer elastic element there is a bushing. The bushing is arranged with a ledge in the form of an orifice, with a cylindrical bore under an orifice and a vertical journal in the lower end of the bushing. The external and internal surfaces of the toroid part of the elastic element are equipped with circular ledges of a trapezoid profile. On the tops of external toroid surface there are circular planes formed for installation on the upper and lower sides of the orifice. In the lower elastic element at the side of the circular plane there is a hole. The shell is arranged of two parts in the form of sleeves in the form of truncated cones with central holes in each bottom of the sleeve. Parts of the shell are rigidly connected with each other along the end plane. Conical surfaces of elastic elements are inverted into the bottom of sleeves. One end of the bushing is taken out through a hole in the bottom of the first sleeve for connection to the equipment. The lower end of the bushing is inverted in the hole of the second sleeve. Elastic elements are installed between the orifice and the bottom of sleeves due to preliminary pressing.

EFFECT: increased permissible level of vibration and impact actions without increased dimensions of a shock absorber, increased reliability of a shock absorber and efficiency of vibration insulation.

8 dwg

Shock absorber // 2454578

FIELD: machine building.

SUBSTANCE: shock absorber includes sleeve located in the centre, holder for attachment of shock absorber to base and elastomeric elastic elements consisting of two parts and placed in holder. External surface of each part of elastomeric elastic element is formed with cylindrical surface which is continued on one side to part of toroidal surface, and on the other side - to conical surface. Cylindrical cavities are uniformly located on conical surface of each part of elastomeric elastic element. A bore in the form of part of toroidal surface is made in the centre of each part of elastomeric elastic element on the side of conical surface. Holder consists of two parts in the form of shells having the shape of flattened straight circular cones, with central holes at each bottom of the shell, which is counted as top of flattened cone, and edges of shells are counted as bases of cones rigidly attached to each other along their end plane. Washer is located on sleeve in middle part of shock absorber, to which external toroidal surfaces of parts of elastomeric elastic element are connected on both sides. One end of sleeve is taken out through a hole at the bottom of the first shell to be attached to equipment. The other end of sleeve is provided with thickened pivot and faces the hole of the second shell.

EFFECT: improving reliability of shock absorber and vibration insulation efficiency.

2 cl, 6 dwg

FIELD: machine building.

SUBSTANCE: invention is related to machine building and may be used for vibration insulation of process equipment. Vibration isolator comprises body and elastic element from elastomer that interacts with object. Body is arranged in the form of upper conical cover and conical base, between which elastic element is installed. Elastic element is made of two symmetrical parts of conical shape: upper and lower, which are connected to each other by their surfaces having larger diametre, by means of elastic tape stitched with elastic thread. Opposite surfaces of elastic element are connected to fixing studs. Studs are installed coaxially and axisymmetrically to parts of elastic element of conical shape. Studs with their cylindrical part enter opening of elastic element, and collar is used with nut to pull it to conical base or cover.

EFFECT: increased efficiency of vibration insulation in resonant mode and simplification of design and installation.

2 cl, 1 dwg

FIELD: mechanics.

SUBSTANCE: proposed support comprises upper base made from solid material, for example aluminium. Lower base is made from low-elasticity rubber. Flexible elements furnished with holes are made from high-elasticity rubber. The support mating surfaces are rigidly interconnected. The aforesaid holes are arranged staggered on the support cross section.

EFFECT: reduced vibration caused by running rotor machines and devices, higher antivibration properties of support.

2 dwg

Plastic spring // 2173802
The invention relates to blocks of several springs of plastic material, in particular to containers with special devices for dispensing the contents of the package

FIELD: machine building.

SUBSTANCE: invention relates to machine building. A thin-layer rubber-metal element comprises alternating layers of elastomer and reinforcing scuff plates mounted between metal supporting rings. The ends of the supporting rings turned to the scuff plates are provided with closed annular grooves of T-shape cross-section that expand depthward the supporting rings. Through holes with their diameter being equal to the width of the grooves in the supporting rings are made in the reinforcing scuff plates opposite the annular grooves in the supporting rings and are distributed evenly along the perimeter. The closed annular grooves in the supporting rings and the holes in the scuff plates are filled by rubber mass made solid with the elastomer layers.

EFFECT: higher reliability of device performance.

2 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: device comprises a casing with a cylindrical hole, a stop member set on the casing, a stem with a thrust collar placed in the casing cavity and damping elements of two types. The damping elements are located in the casing cavity between the thrust collar and the stop member. The damping elements of the first type comprise disk springs. The damping elements of the second type comprise disks and gaskets set between them; at that the disks and gaskets are made from materials with different ability to absorb mechanical energy in the course of deformation and destruction under shock load.

EFFECT: improved damping characteristics in the wide range of frequencies and amplitudes.

10 cl, 1 dwg, 1 tbl

FIELD: transport.

SUBSTANCE: invention relates to machine building. This spring comprises spring element and two metal plates. Spring element is composed by billet made of thermoplastic polyether elastomer with Shore D hardness in the range of 40-45. Said billet features cylindrical shape and has axial hole. Elastomer is described by the fact that after axial contraction by 30% of initial billet length it retains a notable part of shortening caused by said contraction. Aforesaid plates can be attached to billet ends. Every plate has through central bores, shaped peripheral contour and multiple mechanical fasteners radially remote from the centre. Said fasteners are made integral with said plate, arranged perpendicular to its surface and have the tooth extending from fastener lateral side. In compliance with second version, said fasteners have base surfaces located perpendicular to the line dividing every plate in symmetric halves. In compliance with second version, said fasteners have base surfaces located perpendicular to the line dividing every plate in symmetric halves.

EFFECT: higher reliability, ruled out excessive radial expansion of spring element at contraction.

17 cl, 23 dwg

FIELD: machine building.

SUBSTANCE: compressed elastic elastomeric gasket is made in the form of a solid body having lateral surface and the first and the second flat end surfaces located perpendicular to a central axis. As per the first version, in the centre of one flat end surface there is a slot for attachment of the gasket to teeth made in the plate. A projection is formed close to a peripheral inner surface of the slot; at that, the projection volume is equal to the slot volume. As per the second version, in flat end surface there is a variety of cavities meant for provision of attachment of the gasket to the plate teeth. As per the third version, in the centre of each flat end surface there is a slot for attachment of the gasket to teeth made in the plate. A projection is formed close to a peripheral inner surface of each slot; at that, the projection volume is equal to volume of the slot adjacent to it.

EFFECT: possibility of absorption and softening of increased impact energy.

14 cl, 10 dwg

FIELD: transport.

SUBSTANCE: invention relates to machine building. In compliance with first version, cushion assembly comprises elongated yoke, rear plate, front plate of automatic coupling, and elongated elastomer spring. Detachable draw yoke is arranged inside hollow center sill. Rear plate rests against thrust made at draw yoke face and two rear thrusts attached to center sill. Front plate rests against two front thrust made inside hammer engaged with center sill. Elongated elastomer spring is arranged between front and rear plates to comprise set of elastomer liner separated by plate elements. In compliance with second version, cushion assembly can be arranged inside draw yoke and comprises two elongated springs arranged between automatic coupling front plate and rear plate, central plate arranged between spring inner ends, and case to accommodate spring inner end on central plate surface. In compliance with third version, cushion assembly is arranged inside draw bar and comprises draw yoke, automatic coupling front plate and rear plate, front and rear elastic elements. In compliance with fourth version, it is arranged inside draw yoke and comprises elastomer spring and automatic coupling. Automatic coupling has inner surface to butt with rear thrust, front thrust and coupling shank end.

EFFECT: cushion incorporating neither central metal rod nor case.

23 cl, 11 dwg

FIELD: machine building.

SUBSTANCE: invention refers to elastic sliding bearing used in supports of large-size, heavy and rotating elements, and can be used for example in tower support aboard the ship, hoisting crane, bridge, etc., where external actions have high dynamic loads on bearings. Elastic bearing (1) includes support surface (12) connected to bearing insert installed in housing (2) with central axis (11). Bearing has the possibility of absorbing loads acting on support surface (12). Bearing insert includes means (4, 5, 6, 7) of subsequent absorption of loads acting on bearing (1). The above means include along housing (2) axis(11) two or more elastic elements (4) with various elasticity moduli, which are installed in housing (2) with possibility of arranging between them and along axis (11) at least one insert (5), as well as include element (7) transferring the force and installed between surface (12) and elements (4). The side of element (7), which is directed from surface (12), has surface made in the form of some part of sphere, which is adjacent to mating surface of restricting body (6), by means of which the possibility of inclination or angular deflection of surface (12) is provided relative to axis (11) without corresponding angular deflection of elements (4). Body (6) stops compression of element (4) and consists at least of one element installed between surface (12) and insert (5). Body (6) restricts movement of surface (12) and insert (5) opposite each other. Also, method of routine repair and maintenance of the device is proposed.

EFFECT: creation of bearing design capable of receiving both common and high varying loads, and which is less subject to wear of support surfaces, as well as easy manufacture and maintenance and routine repair.

13 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: inventions refer to machine-building industry. Spring manufacturing method involves arrangement of one compressed elastomeric gasket with a central projection between a pair of metal plates with central hole and multiple teeth around its edge, as well as alignment of teeth with the corresponding central projection. Manufacturing method of spring assembly provides for manufacture of multiple-link pack of gaskets separated with plates, application of axial force to spring assembly, piercing of gaskets with teeth, penetration of teeth through the specified distance into the gasket and mechanical attachment of gasket to plates, and then, removal of axial load from spring assembly. In the method providing axial linearity during multiple cushioning of axial dynamic impact loads exceeding 7500 pounds per square inch there used are many compressed elastomeric gaskets from copolyester polymer, which have a slot against axial projection.

EFFECT: improvement of axial linearity and stability in lateral direction of multiple-link compressed spring assembly.

9 cl, 2 dwg

Shock absorber // 2462629

FIELD: machine building.

SUBSTANCE: shock absorber comprises a shell for fixation to a base and an elastomer elastic element from two parts placed into a shell. The external surface of each part of the elastomer elastic element is formed with a cylindrical surface transferred from one side into a part of a toroid surface, and on the inner side - into a conical surface. Cylindrical grooves are evenly arranged on a conical surface of each part of an elastomer elastic element radially to an axis of a shock absorber. In the centre of each part of the elastomer elastic element at the side of the conical surface there is a bore in the form of a part of the inner toroid surface. In the central hole of the elastomer elastic element there is a bushing. The bushing is arranged with a ledge in the form of an orifice, with a cylindrical bore under an orifice and a vertical journal in the lower end of the bushing. The external and internal surfaces of the toroid part of the elastic element are equipped with circular ledges of a trapezoid profile. On the tops of external toroid surface there are circular planes formed for installation on the upper and lower sides of the orifice. In the lower elastic element at the side of the circular plane there is a hole. The shell is arranged of two parts in the form of sleeves in the form of truncated cones with central holes in each bottom of the sleeve. Parts of the shell are rigidly connected with each other along the end plane. Conical surfaces of elastic elements are inverted into the bottom of sleeves. One end of the bushing is taken out through a hole in the bottom of the first sleeve for connection to the equipment. The lower end of the bushing is inverted in the hole of the second sleeve. Elastic elements are installed between the orifice and the bottom of sleeves due to preliminary pressing.

EFFECT: increased permissible level of vibration and impact actions without increased dimensions of a shock absorber, increased reliability of a shock absorber and efficiency of vibration insulation.

8 dwg

Shock absorber // 2454578

FIELD: machine building.

SUBSTANCE: shock absorber includes sleeve located in the centre, holder for attachment of shock absorber to base and elastomeric elastic elements consisting of two parts and placed in holder. External surface of each part of elastomeric elastic element is formed with cylindrical surface which is continued on one side to part of toroidal surface, and on the other side - to conical surface. Cylindrical cavities are uniformly located on conical surface of each part of elastomeric elastic element. A bore in the form of part of toroidal surface is made in the centre of each part of elastomeric elastic element on the side of conical surface. Holder consists of two parts in the form of shells having the shape of flattened straight circular cones, with central holes at each bottom of the shell, which is counted as top of flattened cone, and edges of shells are counted as bases of cones rigidly attached to each other along their end plane. Washer is located on sleeve in middle part of shock absorber, to which external toroidal surfaces of parts of elastomeric elastic element are connected on both sides. One end of sleeve is taken out through a hole at the bottom of the first shell to be attached to equipment. The other end of sleeve is provided with thickened pivot and faces the hole of the second shell.

EFFECT: improving reliability of shock absorber and vibration insulation efficiency.

2 cl, 6 dwg

Absorbing apparatus // 2446068

FIELD: transport.

SUBSTANCE: invention relates to transport machine building. Proposed absorber comprises cylinder with two intercommunicated chambers filled with visco-elastic fluid. In one of said chambers accommodates cylinder bottom and rod-piston to allow working fluid overflow. Besides, flexible elements are arranged in one of said chambers aligned with cylinder body. Elastic elements are made from visco-elastic material divided by separators. Said separators are aligned with said body and have diametral grooves, orifices and central channels to allow overflow of said visco-elastic fluid between said chambers.

EFFECT: improved ergonomics and dissipative properties of absorber.

3 cl, 2 dwg

A frictional damper // 2044662
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