105results about How to "Does not change the characteristic parameters" patented technology

The invention relates to a counter pressure type disc spring damper with the adjustable initial rigidity. The damper is characterized in that a counter pressure device is arranged inside a guide sleeve and comprises more than three pre-compression steel wire ropes, steel wire rope deflecting components with the same number as the pre-compression steel wire ropes, a steel wire rope self-locking and tensioning anchorage device and a floating counter pressure steel plate; the pre-compression steel wire ropes are distributed in a center hole of a disc spring set in the mode of a zigzag line, one ends of the pre-compression steel wire ropes are symmetrically fixed to the floating counter pressure steel plate around the axis of the guide sleeve, the other ends of the pre-compression steel wire ropes are deflected back after penetrating through the opposite steel wire rope deflecting components, then all the pre-compression steel wire ropes are combined to form a rope strand, and the rope strand penetrates through the floating counter pressure steel plate from the point where the axis of the guide sleeve passes on the floating counter pressure steel plate and is anchored to a second end cover by the steel wire rope self-locking and tensioning anchorage device; and when the pre-compression steel wire ropes are tensioned to reach the tension needed by the preset initial rigidity, the disc spring set is always clamped between a drive component and the floating counter pressure steel plate.

The invention discloses a pull rod guide type complex spring damper. The pull rod guide type complex spring damper comprises two end plates, and a complex spring is arranged between the two end plates. The pull rod guide type complex spring damper is characterized in that a back pressure device is further arranged between the two end plates, the back pressure device comprises two groups of prepressing pull rods and two floating press plates, one press plate is arranged between one end plate and the complex spring, and the other press plate is arranged between the other end plate and the complex spring; the two groups of prepressing pull rods are parallel to the axis of the complex spring respectively, one group of prepressing pull rods are symmetrically distributed in the center hole of the complex spring around the axis of the complex spring, and the other group of prepressing pull rods are symmetrically distributed at the periphery of the complex spring around the axis of the complex spring; and one ends of each group of prepressing pull rods are fixed to one floating press plate respectively, and the other ends of each group of prepressing pull rods penetrate through the other floating press plate respectively and are fixed to a limiting element together with the end plate adjacent to the other floating press plate.

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 discloses a three dimensional base isolation device capable of adjusting vertical early stage rigidity; the three dimensional base isolation device comprises a lamination rubber base isolation bearer and a vertical base isolation bearer connected in series up and down; the features are that a back pressure device is arranged in a guide sleeve of the vertical base isolation bearer; the back pressure device comprises two sets of precompressed steel ropes and two floating pressure plates; the two sets of precompressed steel ropes are respectively distributed in the central hole of a disc type spring assembly in a linear state, wherein one end of one set of the precompressed steel rope is respectively fixed on the floating pressure plate adjacent to a drive pressure plate, and the other end respectively penetrates the floating pressure plate adjacent to the pedestal and is anchored on the pedestal by a steel rope self-locking tensioning anchorage device; one end of the other set of precompressed steel rope is respectively fixed on the floating pressure plate adjacent to the pedestal, and the other end respectively penetrates the floating pressure plate adjacent to the drive pressure plate and is anchored on the drive pressure plate by the steel rope self-locking tensioning anchorage device; the two sets of precompressed steel ropes are tensioned, so the disc type spring assembly is always clamped between the two floating pressure plates.

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 relates to a three-dimensional shock insulation device capable of adjusting the vertical initial stiffness. The three-dimensional shock insulation device comprises a vertical shock insulation support and a laminated rubber shock insulation support, and is characterized in that a back pressure device is further arranged in a guide sleeve of the vertical shock insulation support and comprises three or more pre-pressing steel wire ropes, steel wire rope direction-changing elements and steel wire rope self-locking tightening anchors which are numerically equal to the pre-pressing steel wire ropes, and a floating back pressure steel plate; the pre-pressing steel wire ropes are in broken line state; one end of each pre-pressing steel wire rope is symmetrically fixed on the floating back pressure steel plate around the axial line of the guide sleeve, and the other end of each pre-pressing steel wire rope bypasses the corresponding steel wire rope direction-changing element in a penetrating manner and then returns back; all the pre-pressing steel wire ropes are connected in parallel together to form a rope bundle which penetrates through the floating back pressure steel plate and is anchored on a pedestal through the steel wire rope self-locking tightening anchors; and the pre-pressing steel wire ropes are tightened to tension required by preset initial stiffness, so that a cylindrical helical compression spring is always clamped between a driving pressure plate and the floating back pressure steel plate.

The invention relates to a three-dimensional vibration isolation support seat with adjustable vertical initial rigidity. The three-dimensional vibration isolation support seat comprises a vertical vibration isolation support seat and a laminated rubber vibration isolation support seat which are mutually connected in series. The three-dimensional vibration isolation support seat is characterized in that a back pressure device is also arranged in a guide sleeve of the vertical vibration isolation support seat; the back pressure device comprises more than three pre-pressing steel wire ropes, steel wire rope direction changing elements with the same number as the pre-pressing steel wire ropes and a floating back pressure steel plate; the pre-pressing steel wire ropes are in a fold-line state; one end of each pre-pressing steel wire rope is symmetrically fixed on the floating back pressure steel plate by using the axial line of the guide sleeve as the symmetry axis; the other end of each pre-pressing steel wire rope is folded back after bypassing one relative steel wire rope direction changing element, then passes through the floating back pressure steel plate beside a fixing point of the pre-pressing steel wire rope on the floating back pressure steel plate, and is anchored onto the base by a steel wire rope self locking tensioning anchor; and the pre-pressing steel wire ropes are tensioned to the tension required by the preset vertical initial rigidity, so that a cylindrical rubber elastic body is always clamped between a driving press plate and the floating back pressure steel plate.

The invention relates to a three-dimensional vibration isolation support seat capable of presetting the vertical initial rigidity. The three-dimensional vibration isolation support seat comprises a vertical vibration isolation support seat and a laminated rubber vibration isolation support seat which are mutually connected in series. The three-dimensional vibration isolation support seat is characterized in that a back pressure device is also arranged in a guide sleeve of the vertical vibration isolation support seat; the back pressure device comprises more than three pre-pressing steel wire ropes, steel wire rope direction changing elements with the same number as the pre-pressing steel wire ropes and a floating back pressure steel plate; the pre-pressing steel wire ropes are in a fold-line state; one end of each pre-pressing steel wire rope is symmetrically fixed on the floating back pressure steel plate by using the axial line of the guide sleeve as the symmetry axis; the other end of each pre-pressing steel wire rope is folded back after bypassing one relative steel wire rope direction changing element and is then fixed on the base after passing through the floating back pressure steel plate beside a fixing point of the pre-pressing steel wire rope on the floating back pressure steel plate; and the pre-pressing steel wire ropes are tensioned to the tension required by the preset vertical initial rigidity, so that a composite spring is always clamped between a driving press plate and the floating back pressure steel plate.

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 invention discloses a disk spring damper with presettable early rigidity. The disk spring damper with presettable early rigidity is characterized in that a back pressure device is also arranged in a guide sleeve and is composed of two groups of preloading steel ropes, each group of which is composed of at least three preloading steel ropes, and two floating pressure plates, wherein the two groups of preloading steel ropes are symmetrically distributed in center holes of a disk spring group respectively around the axis of the guide sleeve in a straight line state; in addition, one ends of one group of the preloading steel ropes are fixed on the floating pressure plate adjacent to a drive component respectively, and the other ends penetrate through the floating pressure plate adjacent to a second end cover respectively and are fixed on the second end cover; one ends of the other group of the preloading steel ropes are fixed on the floating pressure plate adjacent to the second end cover respectively, and the ends penetrate through the floating pressure plate adjacent to the drive component respectively and are fixed on the drive component; and the two groups of preloading steel ropes are tensioned to clamp the disk spring group between the two floating pressure plates always.

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 three-dimensional shock isolation device with adjustable vertical early stiffness. The three-dimensional shock isolation device comprises a laminated rubber shock isolation bearing and a vertical shock isolation bearing which are sequentially connected with each other up and down in series, and is characterized in that a back pressure device is also arranged between two end plates of the vertical shock isolation bearing, and the back pressure device comprises two groups of pre-pressing steel cables and two floating platens, wherein the two floating platens are respectively sleeved on a guide rod between one end plate and a cylindrical helical compression spring; the two groups of pre-pressing steel cables are respectively distributed at the periphery of the cylindrical helical compression spring around the axis of the guide rod in a straight line state, one head of each pre-pressing steel cable of each group of pre-pressing steel cables is fixed on one floating platen, and the other head of each pre-pressing steel cable of each group of pre-pressing steel cables penetrates through the other floating platen and is anchored on the end plate adjacent to the floating platen by a steel cable self-locking tensioning anchor; the two groups of pre-pressing steel cables are tensioned, so that the cylindrical helical compression spring is clamped between the two floating platens all the time.

The invention discloses a composite spring damper with early rigidity capable of being adjusted. The composite spring damper is characterized in that a back pressure device is arranged in a guide sleeve, and the back pressure device comprises two sets of prepressing steel cables and two floating pressing plates, wherein the two sets of prepressing steel cables are symmetrically distributed in the annular space between a composite spring and the guide sleeve in a linear state about the axis of the guide sleeve, one ends of one set of prepressing steel cables are fixed to the floating pressing plate adjacent to a second end cover respectively, the other ends of the set of prepressing steel cables penetrate through the floating pressing plate adjacent to a driving component to be fixed to the driving component respectively, one ends of the other set of prepressing steel cables are fixed to the floating pressing plate adjacent to the driving component, the other ends of the set of prepressing steel cables penetrate through the floating pressing plate adjacent to the second end cover to be fixed to the second end cover respectively, the middle of each prepressing steel cable is provided with a turnbuckle for rigging in a series connection mode, the two sets of prepressing steel cables are tensioned, and therefore the composite spring is always clamped between the two floating pressing plates.

The invention discloses a three-dimensional seismic isolation device with vertical early rigidity capable of being preset. The device comprises a laminated rubber seismic isolation support and a vertical seismic isolation support which are vertically and sequentially connected in series. The device is characterized in that a back pressing device is arranged in a guide sleeve of the vertical seismic isolation support and comprises two groups of prepressing steel cables and two floating pressing plates, wherein each group comprises at least three prepressing steel cables, the two groups of prepressing steel cables are distributed in a central hole of a cylindrical helical compression spring separately in a linear mode, one ends of one group of prepressing steel cables are fixed to the floating pressing plate adjacent to a driving pressing plate separately, and the other ends of the group of prepressing steel cables penetrate through the floating pressing plate adjacent to a base to be fixed to the base separately; one ends of the other group of prepressing steel cables are fixed to the floating pressing plate adjacent to the base separately, and the other ends of the other group of prepressing steel cables penetrate through the floating pressing plate adjacent to the driving pressing plate to be fixed to the driving pressing plate separately; the two groups of prepressing steel cables are tensioned, so that the cylindrical helical compression spring is always clamped between the two floating pressing plates.

The invention discloses a rubber air spring damper with presettable early-stage rigidity. The rubber air spring damper with presettable early-stage rigidity is characterized in that a back pressure device is further arranged in a guide sleeve, the back pressure device comprises two groups of prepressing steel cables and two floating press plates, at least three steel stables are included in each group of prepressing steel cables, the two groups of prepressing steel cables are symmetrically distributed around the axis of the guide sleeve in the linear state respectively in the annular space between a rubber air spring and the guide sleeve, one ends of one group of prepressing steel cables are fixed to the floating press plate adjacent to a second end cover respectively, the other ends of the group of prepressing steel cables penetrate through the floating press plate adjacent to a driving component and are fixed to the driving component respectively, one ends of the other group of prepressing steel cables are fixed to the floating press plate adjacent to the driving component, and the other ends of the other group of prepressing steel cables penetrate through the floating press plate adjacent to the second end cover and fixed to the second end cover respectively; and the two groups of prepressing steel cables are tensioned, so that the rubber air spring is clamped between the two floating press plates all along.