48results about How to "Reduce the cost of isolation" patented technology

The invention discloses a rubber damper capable of adjusting early-stage rigidity. The rubber damper is characterized in that a guide sleeve is internally further provided with a backward pressing device; the backward pressing device comprises two groups of pre-pressing steel ropes with the quantity of at least three, and two floating pressing plates, wherein the two groups of pre-pressing steel ropes are distributed in an annular space at a linear state; one end of each of one group of pre-pressing steel ropes is fixed on the floating pressing plate adjacent to a second end cover, and the other ends of the pre-pressing steel ropes penetrate through the floating pressing plate adjacent to a driving component to be anchored on the driving component through steel rope self-locking tensioning anchoring devices; one end of each of the other group of pre-pressing steel ropes is fixed on the floating pressing plate adjacent to driving component, and the other ends of the pre-pressing steel ropes penetrate through the floating pressing plate adjacent to the second end cover to be anchored on the driving component through the steel rope self-locking tensioning anchoring devices; and the two groups of pre-pressing steel ropes are tensioned, so that a rubber vibration absorption pad is clamped between the two floating pressing plates all the time.

The invention relates to a composite spring damper capable of regulating initial stiffness. The composite spring damper is characterized in that a back pressure device is further arranged in a guide sleeve, wherein the back pressure device comprises three or more pre-compaction steel wire ropes, steel wire rope turning elements which are as many as the pre-compaction steel wire ropes, steel wire rope self-locking tensioning anchorage devices which are as many as the pre-compaction steel wire ropes and a floating back pressure steel plate; the pre-compaction steel wire ropes are distributed in a ring-shaped space in a folding mode; one end of each pre-compaction steel wire rope is symmetrically fixedly arranged on the floating back pressure steel plate around the axis of the guide sleeve; the other end of each pre-compaction steel wire rope is turned back after passing through one opposite steel wire rope turning element, then, passes through the floating back pressure steel plate beside a fixed point, on the floating back pressure steel plate, of each pre-compaction steel wire rope, and is fixedly arranged on a second end cover through each steel wire rope self-locking tensioning anchorage device; and each pre-compaction steel wire rope is tensioned to tension needed for setting initial rigidity, so that the composite spring is clamped between a drive component and the floating back pressure steel plate all the time.

The invention discloses a pull rod type belleville spring damper with early-stage rigidity capable of being preset. The pull rod type belleville spring damper is characterized in that a back pressure device is further arranged in a guide sleeve and comprises two sets of pre-pressing pull rods and two floating pressing plates, one floating pressing plate is arranged between a movable pressing plate and a belleville spring set, and the other floating pressing plate is arranged between a second end cover and the belleville spring set; the two sets of pre-pressing pull rods are distributed in central holes of the belleville spring set respectively, one ends of one set of pre-pressing pull rods are fixed to the floating pressing plate adjacent to the movable pressing plate, and the other ends of one set of pre-pressing pull rods penetrate through the floating pressing plate adjacent to the second end cover and the second end cover and are fixed to a limiting element; one ends of the other set of pre-pressing pull rods are fixed to the floating pressing plate adjacent to the second end cover, and the other ends of the other set of pre-pressing pull rods penetrate through the floating pressing plate adjacent to the movable pressing plate and the movable pressing plate and are fixed to a limiting element.

The invention discloses a spiral spring damper with early rigidity capable of being adjusted. The spiral spring damper is characterized in that a back pressure is arranged between two end plates of the damper, the back pressure device comprises two sets of prepressing steel cables with the number being three or more in each set and two floating pressing plates, wherein each floating pressing plate is arranged on a guide rod between one end plate and a cylindrical spiral compressed spring in a sleeving mode, the two sets of prepressing steel cables are symmetrically distributed on the periphery of the cylindrical spiral compressed spring in a linear state about the axes of the guide rods correspondingly, one ends of each set of prepressing steel cables are fixed to one floating pressing plate, the other ends of each set of prepressing steel cables penetrate through the other floating pressing plate to be anchored to the corresponding end plate adjacent to the floating pressing plate through a steel cable self-locking tensioning anchor gear, the two sets of prepressing steel cables are tensioned, and the cylindrical spiral compressed spring is always clamped between the two floating pressing plates.

The present invention relates to a helical compression spring damper with the presettable initial stiffness. The helical compression spring damper with the presettable initial stiffness is characterized in that a guide sleeve is further internally provided with a counter pressure device which comprises more than three preloaded wire ropes, wire rope turning components having the same number with the preloaded wire ropes, and a floating counter pressure steel plate, wherein the preloaded wire ropes are distributed in a center hole of a cylindrical helical compression spring in a fold line state, one end of each preloaded wire rope is symmetrically fixed on the floating counter pressure steel plate by winding the axis of the guide sleeve, and the other end of each preloaded wire rope turns back after penetrating and winding the oppose wire rope turning component, and then penetrates the floating counter pressure steel plate alongside the fixation point, on the floating counter pressure steel plate, of the wire rope turning component, to be fixed to a second end cover; and the preloaded wire ropes are tensioned to the tension required for the presettable initial stiffness, so that the helical compression spring damper is always clamped between a drive member and the floating counter pressure steel plate.

The invention discloses a disc spring damper with presettable early-period rigidity. The disc spring damper is characterized in that a reverse pressure device is arranged between two end plates of the damper; the reverse pressure device comprises two groups of (at least three) prepressing steel cables and two floating press plates, wherein each of the two floating press plates sleeves a guide rod arranged between one end plate and a disc spring group; the two groups of prepressing steel cables are symmetrically distributed on the periphery of the disc spring group in a linear state by surrounding the axial line of the guide rod; one end of each group of prepressing steel cables is fixed on one floating press plate; the other end of each group of prepressing steel cables passes through the other floating press plate to be fixed on the end plate adjacent to the floating press plate; the two groups of prepressing steel cables are tensioned, so that the disc spring group is always clamped between the two floating press plates.

The invention relates to a back pressure spiral compression spring damper adjustable in stiffness. The back pressure spiral compression spring damper is characterized in that a back pressure device is arranged between two end plates and comprises three or more prepressing steel wire ropes, a floating back pressure steel plate, steel wire rope turning elements and steel wire rope self-locking tensioning anchorage devices, and the number of the steel wire rope turning elements and the number of the steel wire rope self-locking tensioning anchorage devices are equal to the number of the prepressing steel wire ropes; the prepressing steel wire ropes are distributed on the periphery of a cylindrical spiral compression spring in a broken line state; one ends of all the prepressing steel wire ropes are symmetrically fixed to the floating back pressure steel plate around the axis of a guide rod, and the other ends of all the prepressing steel wire ropes are retraced after winding the corresponding steel wire rope turning elements in a penetrating mode, then penetrate through the floating back pressure steel plate from the positions beside fixing points of the prepressing steel wire ropes on the floating back pressure steel plate and are anchored to the end plate adjacent to the floating back pressure steel plate through the corresponding steel wire rope self-locking tensioning anchorage devices; and the prepressing steel wire ropes are tensioned to the tensile force required by the preset initial stiffness, so that the cylindrical spiral compression spring is always clamped between the end plate away from the floating back pressure steel plate and the floating back pressure steel plate.

The invention relates to a disc spring shock absorber with adjustable initial rigidity. The disc spring shock absorber is characterized in that a back pressure device is arranged in a guide sleeve; the back pressure device comprises three or more prestressed steel wire ropes, steel wire rope turning elements equal to the prestressed steel wire ropes in number, steel wire rope self-locking tensioning anchors equal to the prestressed steel wire ropes in number and a floating back pressure steel plate; the prestressed steel wire ropes are distributed in a central hole of a disc spring set in a broken line mode; one end of each prestressed steel wire rope is symmetrically fixed to the floating back pressure steel plate around the axis of the guide sleeve, and the other end of the prestressed steel wire rope turns back after being wound across the opposite steel wire rope turning element, then penetrates through the floating back pressure steel plate from the position beside a fixing point, on the floating back pressure steel plate, of the prestressed steel wire rope, and is anchored to a second end cover through the corresponding steel wire rope self-locking tensioning anchor; and each prestressed steel wire rope is tensioned to the tension required for preset initial rigidity, and the disc spring set is made to be clamped between a driving component and the floating back pressure steel plate all along.