CN211113146U - Hyperboloid ball-type subtracts isolation bearing with displacement locking function - Google Patents
Hyperboloid ball-type subtracts isolation bearing with displacement locking function Download PDFInfo
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- CN211113146U CN211113146U CN201921272645.5U CN201921272645U CN211113146U CN 211113146 U CN211113146 U CN 211113146U CN 201921272645 U CN201921272645 U CN 201921272645U CN 211113146 U CN211113146 U CN 211113146U
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Abstract
A hyperboloid spherical shock absorption and isolation support with a displacement locking function comprises a displacement locking assembly, the displacement locking assembly comprises at least one upper clamping groove which is formed in the lower surface of a top seat plate and penetrates to the side face of the top seat plate, at least two lower clamping grooves which are formed in the upper surface of the upper seat plate, and a clamping block which extends out of a support from a through hole of the upper clamping groove, the clamping block consists of a clamping block body and a clamping block unlocking rod which are connected into a whole, the height of the bottom surface of the clamping block unlocking rod is higher than that of the bottom surface of the clamping block body, the height of the top surface of the clamping block unlocking rod is lower than or equal to that of the top surface of the clamping block body, the plane slides to the position with the maximum normal temperature rise under an earthquake, the clamping block is sunk into the lower clamping groove due to gravity, a plane friction pair is locked, the shock absorption and isolation effect of the support in the longitudinal bridge direction is improved; after the earthquake, the clamping block can be unlocked, and the normal function of the support can be recovered.
Description
Technical Field
The utility model belongs to the technical field of bridge structures or building, a hyperboloid ball-type subtracts isolation bearing with displacement locking function is related to.
Background
The hyperboloid spherical seismic isolation and reduction support widely used at present for railway bridges in seismic regions generally comprises a plane friction pair and two spherical friction pairs. The structure is characterized in that the longitudinal bridge direction of the lower support saddle realizes plane sliding under normal temperature rise, the lifting of a beam body cannot be caused, and the requirement on the smoothness of a bridge track is met; under the earthquake, the longitudinal bridge direction of the support is always realized by alternately realizing plane sliding and hyperboloid sliding, wherein the hyperboloid sliding process of the support is a support seismic isolation and reduction process. For a simply-supported beam bridge, the temperature rise displacement of the support is small, the proportion of the planar sliding of the support in the total sliding distance is low, and the influence of the shock absorption and isolation performance of the longitudinal bridge to the support is small; however, when the temperature rise displacement is large, the proportion of the plane sliding of the support to the total sliding distance is high under an earthquake, and even the phenomenon that the plane sliding displacement exceeds the hyperboloid sliding displacement occurs, so that the shock absorption and isolation effect of the support in the longitudinal bridge direction is reduced to a certain extent.
The problem of the isolation bearing can be fine solution is subtracted to the speed locking type, and when the earthquake takes place, speed increases rapidly, and speed locking ware lock dead plane friction is vice to the transmission horizontal force is cut support stop device, and the support only takes place the hyperboloid and slides, plays good isolation effect of subtracting. However, the speed locker is added on the basis of the hyperboloid spherical seismic isolation and reduction support, the size of the support structure is large, and the cost is increased highly.
Patent Z L201510488281.4 utility model discloses a displacement locking device subtracts isolation bearing adopts locking pop-up mechanism to realize dying in plane extreme displacement department lock that slides, and the hyperboloid slides only takes place for the support under the earthquake.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a hyperboloid ball-type seismic isolation and reduction support with displacement locking function, the plane slides to the maximum displacement of normal temperature rise under the earthquake, the fixture block is sunk into the lower clamping groove due to gravity, the plane friction pair is locked, the support transmits horizontal force to the limiting plate, the support always slides with the hyperboloid to play the role of seismic isolation and reduction function after the limiting plate is damaged, and the seismic isolation and reduction effect of the longitudinal bridge direction of the support is improved; after the earthquake, the clamping block can be unlocked, and the normal function of the support can be recovered.
In order to realize the technical purpose, the adopted technical scheme is as follows: a hyperboloid spherical shock absorption and isolation support with a displacement locking function comprises a top seat plate, an upper seat plate, a middle seat plate, a lower seat plate and a limiting plate, wherein the top seat plate, the upper seat plate, the middle seat plate and the lower seat plate are sequentially arranged from top to bottom, the lower surface of the top seat plate and the upper surface of the upper seat plate are planes, a plane friction pair is arranged between the lower surface of the top seat plate and the upper surface of the upper seat plate, permanent stop blocks for transversely limiting the upper part of the upper seat plate are arranged on two sides in the transverse bridge direction of the top seat plate, the lower surface of the upper seat plate and the upper surface of the lower seat plate are spherical surfaces, the middle seat plate with spherical upper and lower surfaces is arranged in a space enclosed by the upper seat plate and the lower seat plate, an upper spherical surface friction pair is arranged between the lower surface of the upper seat plate and the upper surface of the middle seat plate, the limiting plate which is cut after shock is fixed on both sides in the longitudinal direction and, the limiting plate is arranged corresponding to the side surface of the lower part of the upper seat plate;
the support also comprises a displacement locking component arranged between the top seat plate and the upper seat plate, the displacement locking component comprises at least one upper clamping groove which is arranged on the lower surface of the top seat plate and penetrates to the side surface of the top seat plate, at least two lower clamping grooves which are arranged on the upper surface of the upper seat plate, and a clamping block which extends out of the support from a through hole of the upper clamping groove, the clamping block consists of a clamping block body and a clamping block unlocking rod which are connected into a whole, the bottom surface of the clamping block unlocking rod is higher than the bottom surface of the clamping block body, the top surface of the clamping block unlocking rod is lower than or equal to the top surface of the clamping block body, the upper clamping groove and the lower clamping groove are both arranged along the transverse bridge direction and are arranged outside the plane friction pair, the center distance of the upper clamping groove and the lower clamping groove on the same side along the longitudinal bridge direction is the maximum displacement of the normal temperature rise of the support, the upper portion of fixture block sets up in last draw-in groove, and the fixture block moves on last bedplate along with the bedplate, and when the displacement of bedplate and last bedplate reachd the maximum displacement of normal temperature rise, the lower part of fixture block body falls into the lower draw-in groove of homonymy, and the upper portion of fixture block body still blocks and establishes in last draw-in groove, makes and realizes the displacement locking between bedplate and the last bedplate.
A guide sliding plate is arranged between the permanent stop dog and the upper part of the upper seat plate.
A guide sliding plate is arranged between the lower parts of the limit plate and the upper seat plate.
The utility model has the advantages that: the utility model provides a pair of hyperboloid ball-type subtracts isolation bearing with displacement locking function sets up draw-in groove, fixture block through setting up in the bedplate bottom surface to and draw-in groove under last bedplate setting, can realize vice locking of support plane friction and shake back unblock. When the bridge is in normal operation, the spherical friction pair of the support is restrained by the surrounding limiting plates, only the plane friction pair between the top seat plate and the upper seat plate can horizontally slide, and the normal sliding of the support does not bring the lifting of a beam body, so that the requirement of the bridge on normal driving stability is met; when the earthquake takes place, the plane friction of support is vice at first slides, if slide when the biggest displacement department of normal temperature rise, the fixture block is because gravity is absorbed in draw-in groove down, it is vice to lock the plane friction, the support transmits the horizontal force for the limiting plate, the limiting plate is destroyed the back, the horizontal slip restraint of two spherical friction pairs is relieved, the support passes through upper seat board and well bedplate, the horizontal reciprocating sliding is realized to the double sphere synthetic action of well bedplate and lower bedplate, at the reciprocal slip in-process, through the frictional resistance dissipation seismic energy of glide plane, and the extension structure period of shaking certainly, reach and subtract the shock insulation effect. In the process, the plane friction pair of the support does not participate in seismic isolation and reduction sliding due to the locking of the clamping block, the support always slides in a double-spherical surface rather than the mutual sliding of the double-spherical surface and the plane, and the seismic isolation and reduction effect of the longitudinal bridge direction of the support is improved. After the earthquake, the component force of the dead weight of the upper structure of the support along the direction of the curved surface is used as restoring force to reset the support. And after an earthquake, manually lifting the clamping block upwards through the clamping block unlocking rod to enable the clamping block to be completely separated from the lower clamping groove of the upper base plate, so that the plane friction pair is unlocked, and finally the support plane friction pair is pushed to return to the central position through the jack.
Drawings
FIG. 1 is a schematic diagram of a transverse bridge structure in an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of the structure of example 1 of the present invention;
FIG. 3 is a sectional view taken along line A-A of the structure of example 2 of the present invention;
fig. 4 is a sectional view taken along line a-a of the structure of embodiment 3 of the present invention;
FIG. 5 is a B-B sectional view of the structure of embodiment 1 of the present invention;
fig. 6 is a top view of the top seat plate 1 in the embodiment 1 of the present invention in the transverse bridge direction;
fig. 7 is a C-C sectional view of the structure of the top deck plate 1 according to embodiment 1 of the present invention;
fig. 8 is a schematic view of a structure of a fixture block in the embodiment of the present invention;
fig. 9 is a structural schematic view of a "locked" state of the planar friction pair in embodiment 1 of the present invention;
fig. 10 is a structural schematic view of an "unlocked" state of the planar friction pair in embodiment 1 of the present invention;
in the figure: 1. the fixture comprises a top seat plate, 1-1 parts, an upper clamping groove, 1-2 parts, a permanent stop block, 1-1-1 parts, an upper clamping groove of a fixture block body, 1-1-2 parts, an upper clamping groove of an unlocking rod, 2 parts of a plane friction pair, 3 parts of an upper seat plate, 3-1 parts, a lower clamping groove, 4 parts of an upper spherical friction pair, 5 parts of a middle seat plate, 6 parts of a lower spherical friction pair, 7 parts of a lower seat plate, 8 parts, a fixture block, 8-1 parts, a fixture block body, 8-2 parts, a fixture block unlocking rod, 9 parts and a limiting plate.
Detailed Description
A hyperboloid spherical shock absorption and isolation support with a displacement locking function comprises a top seat plate 1, an upper seat plate 3, a middle seat plate 5, a lower seat plate 7 and a limiting plate 9, wherein the top seat plate 1, the upper seat plate 3, the middle seat plate 5 and the lower seat plate 7 are sequentially arranged from top to bottom, the lower surface of the top seat plate 1 and the upper surface of the upper seat plate 3 are planes, a plane friction pair 2 is arranged between the lower surface of the top seat plate 1 and the upper surface of the upper seat plate 3, permanent stop blocks 1-2 for transversely limiting the upper part of the upper seat plate 3 are arranged on two sides of a transverse bridge of the top seat plate 1, the top seat plate 1 can horizontally move on the upper seat plate 3 along a longitudinal bridge through the plane friction pair, the lower surface of the upper seat plate 3 and the upper surface of the lower seat plate 7 are spherical surfaces, the middle seat plate 5 with spherical upper and lower surfaces which are arranged in a space enclosed by the upper seat plate 3 and the lower seat plate 7, and an upper spherical friction pair is arranged between the lower surface of the upper, a lower spherical friction pair is arranged between the upper surface of the lower seat plate 7 and the lower surface of the middle seat plate 5, limiting plates 9 which are cut off after vibration are fixed on the longitudinal and transverse bridge sides of the lower seat plate 7, the limiting plates 9 are arranged corresponding to the lower side surface of the upper seat plate 3, and when the limiting plates 9 are not cut off, the middle seat plate 5, the upper seat plate and the lower seat plate cannot rotate.
The support also comprises a displacement locking component arranged between the top seat plate 1 and the upper seat plate 3, the displacement locking component comprises at least one upper clamping groove 1-1 which is arranged on the lower surface of the top seat plate 1 and penetrates to the side surface of the top seat plate 1, at least two lower clamping grooves 3-1 which are arranged on the upper surface of the upper seat plate 3, and a clamping block 8 which extends out of the support from a through hole of the upper clamping groove 1-1, the clamping block 8 consists of a clamping block body 8-1 and a clamping block unlocking rod 8-2 which are connected into a whole, the bottom surface of the clamping block unlocking rod 8-2 is higher than the bottom surface of the clamping block body 8-1, the top surface of the clamping block unlocking rod 8-2 is lower than or equal to the top surface of the clamping block body 8-1, the upper clamping groove 1-1 and the lower clamping groove 3-1 are both arranged along the transverse bridge direction and arranged on the outer, the center distance between the upper clamping groove 1-1 and the lower clamping groove 3-1 on the same side along the longitudinal bridge direction is the maximum displacement of normal temperature rise of the support, under normal conditions, the lower surface of the clamping block body 8-1 falls on the upper surface of the upper seat plate 3, the upper portion of the clamping block 8 is arranged in the upper clamping groove 1-1, the clamping block 8 moves on the upper seat plate 3 along with the ejector seat plate 1, when the displacement of the ejector seat plate 1 and the upper seat plate 3 reaches the maximum displacement of normal temperature rise, the lower portion of the clamping block body 8-1 falls into the lower clamping groove 3-1 on the same side, and the upper portion of the clamping block body 8-1 is clamped in the upper clamping groove 1-1, so that displacement locking between the ejector seat plate 1 and the upper.
The shape of the upper clamping groove 1-1 can be set according to the fixture block, the shape of the upper clamping groove 1-1-1 on the fixture block body for placing the fixture block unlocking rod is designed to be hemispherical, rectangular and the like, the shape of the upper clamping groove 1-1-2 on the unlocking rod for placing the fixture block unlocking rod is optimally rectangular, so that the clamping of the fixture block into the lower clamping groove and the upper clamping groove can not be influenced when the fixture block falls or is lifted, the bottom surface height of the fixture block unlocking rod 8-2 is higher than that of the bottom surface of the fixture block body 8-1, the top surface height of the fixture block unlocking rod 8-2 is lower than or equal to that of the fixture block body 8-1, namely when the lower part of the fixture block body falls into the lower clamping groove 3-1, the fixture block unlocking rod 8-2 just falls on the upper surface of the upper seat plate or is higher than the upper surface of the upper seat plate, and the fixture block body is lifted up through the fixture block unlocking rod 8-2, and the bottom surface of the fixture block body 81 can be completely separated from the lower clamping groove when the fixture block unlocking rod 8-2 contacts the bottom of the upper clamping groove or is close to the bottom of the upper clamping groove. Therefore, when the shape of the fixture block body is designed, the length of the fixture block body is smaller than that of the upper clamping groove 1-1-1 of the fixture block body, the length of the lower clamping groove is larger than that of the upper clamping groove 1-1-1 of the fixture block body, the width of the fixture block body is smaller than that of the upper clamping groove 1-1-1 of the fixture block body, the width of the lower clamping groove is larger than that of the upper clamping groove 1-1-1 of the fixture block body, the fixture block body can be conveniently clamped, and the width of the upper clamping groove 1-1-2 of the unlocking rod is wider than that of the unlocking rod 8-2 of the fixture block.
A guide sliding plate is arranged between the permanent stop block 1-2 and the upper part of the upper seat plate 3.
A guide sliding plate is arranged between the limiting plate 9 and the lower part of the upper seat plate 3.
Example 1
A hyperboloid spherical seismic isolation bearing with a displacement locking function is provided, as shown in figures 1, 2 and 5. The spherical friction pair type hydraulic oil cylinder mainly comprises a top seat plate 1, a plane friction pair 2, an upper seat plate 3, an upper spherical friction pair 4, a middle seat plate 5, a lower spherical friction pair 6, a lower seat plate 7, a clamping block 8, a limiting plate 9 and the like. The bottom surface of the top seat plate 1 is covered with a plane stainless steel sliding plate, two upper clamping grooves 1-1 are respectively arranged on two sides of a stainless steel longitudinal bridge, the short side of the outer side of the upper clamping groove in the length direction is provided with a top seat plate unlocking rod groove 1-2, and the four upper clamping grooves 1-1 are in a centrosymmetric state, as shown in fig. 6 and 7. The upper surface of the upper seat plate 3 is embedded with a plane non-metal sliding plate, the plane non-metal sliding plate and the plane stainless steel sliding plate form a plane friction pair 2, two lower clamping grooves 3-1 are respectively arranged on two sides of the longitudinal bridge direction of the non-metal sliding plate, as shown in figure 2, the length of each lower clamping groove 3-1 is slightly larger than that of the corresponding clamping groove 1-1-1 on the fixture block body, and the four lower clamping grooves 3-1 are in a central symmetry state. The center distance of the upper clamping groove 1-1-1 of the clamping block body and the lower clamping groove 3-1 of the lower base plate at the same side along the longitudinal bridge direction is the maximum displacement of normal temperature rise of the support, and the upper clamping groove and the lower clamping groove at the two sides are superposed along the central line of the longitudinal bridge direction. The fixture block 8 mainly comprises two parts, a fixture block body 8-1 and a fixture block unlocking rod 8-2, as shown in figure 8; under normal conditions, most of the fixture block body 8-1 is wrapped on the clamping groove 1-1-1 of the fixture block body and falls on the top surface of the upper seat plate 3. The width and the length of the fixture block body 8-1 are slightly smaller than the upper fixture groove 1-1 of the top seat plate and the lower fixture groove 3-1 of the lower seat plate; the fixture block unlocking rod 8-2 is positioned on the outer side surface of the fixture block body 8-1, extends out of an opening of the upper clamping groove 1-1, which penetrates through one side of the top seat plate, ensures that the fixture block body 8-1 falls into the lower clamping groove 3-1 of the upper seat plate of the support in the height direction, and still positions the fixture block unlocking rod 8-2 on the upper surface of the upper seat plate 3; the length of the clamping block unlocking rod 8-2 needs to exceed the outer part of the support top seat plate by a certain length after assembly, so that manual unlocking is facilitated.
The convex spherical surface sliding plate and the concave spherical surface sliding plate between the upper seat plate 3 and the middle seat plate 5 and between the middle seat plate 5 and the lower seat plate 7 respectively form an upper spherical surface friction pair 4 and a lower spherical surface friction pair 6, the two friction pairs are sliding and rotating friction pairs, one of the concave spherical surface sliding plate and the convex spherical surface sliding plate is a stainless steel spherical surface sliding plate, and the other is a non-metallic spherical surface sliding plate. The plane sliding plate between the top seat plate 1 and the upper seat plate 3 forms a plane friction pair 2, one of which is a stainless steel plane sliding plate, and the other is a non-metal plane sliding plate. The stop blocks at the two sides of the bottom transverse bridge of the top seat plate 1 are permanent stop blocks; the upper part of the upper seat plate 3 is provided with guide sliding plates at two sides of the transverse bridge and at the inner sides of the corresponding stop blocks; the outer periphery of the lower part of the upper seat plate 3 and the inner side of the limiting plate 9 corresponding to the upper seat plate are provided with guide sliding plates. The middle seat plate 3 is a cylinder with convex spherical upper and lower surfaces. Limiting plates 9 are arranged on two sides of the upper limiting direction of the lower seat plate 7.
The plane friction pair 2, the upper spherical friction pair 4 and the lower spherical friction pair 6 jointly form a vertical pressure-bearing friction pair of the support, and the vertical pressure-bearing friction pair has the functions of vertical bearing, longitudinal sliding and vertical rotation. The limiting plate 9 has the function of restraining the upper spherical friction pair 4 and the lower spherical friction pair 6 from sliding horizontally under normal conditions; the bottom transverse bridge of the top seat plate 1 plays a role in restraining the transverse limiting function of the plane friction pair 2 towards the permanent stop blocks on the two sides.
When the bridge is in normal operation, the upper spherical friction pair 4 and the lower spherical friction pair 6 of the support are restrained by the surrounding limiting plates 9, only the plane friction pair 2 between the top seat plate 1 and the upper seat plate 3 can horizontally slide along the longitudinal bridge direction, and the normal sliding of the support does not bring the lifting of a beam body, so that the requirement on the stability of the bridge in normal driving is met; when an earthquake occurs, the plane friction pair 2 of the support firstly slides, and if the plane friction pair slides to the position with the maximum displacement of normal temperature rise, the clamping block 8 sinks into the lower clamping groove 3-1 of the upper seat plate due to gravity, and the plane friction pair 2 is locked, as shown in figure 9. The support transmits horizontal force to limiting plate 9, and the horizontal slip restraint of two spherical friction pairs 4 and 6 is relieved after limiting plate 9 destroys, and the support realizes horizontal reciprocating sliding through the two spherical synthetic actions of last bedplate 3 and well bedplate 5, well bedplate 5 and lower bedplate 7, at the reciprocating sliding in-process, through the frictional resistance dissipation seismic energy of glide plane to extension structure self-oscillation period reaches and subtracts the shock insulation effect.
In the process, the plane friction pair 2 of the support does not participate in seismic reduction and isolation sliding due to the fact that the clamping block 8 is locked, the support always slides in a double-spherical surface mode instead of the double-spherical surface and plane interactive sliding mode, and the seismic reduction and isolation effect of the support in the longitudinal bridge direction is improved. After the earthquake, the component force of the dead weight of the upper structure of the support along the direction of the curved surface is used as restoring force to reset the support. Meanwhile, after an earthquake, the fixture block unlocking rod 8-2 is manually lifted upwards to enable the fixture block body 8-1 to be completely separated from the lower clamping groove 3-1 of the upper seat plate, so that the plane friction pair 2 is unlocked, and the figure is 10; and finally, the jack pushes the support plane friction pair 2 to return the top seat plate 1 to the central position.
According to the hyperboloid spherical seismic isolation and reduction support with the displacement locking function, a plane slides to the position with the maximum displacement of normal temperature rise under an earthquake, the fixture block 8 sinks into the clamping groove 3-1 due to gravity, the plane friction pair 2 is locked, the support transmits horizontal force to the limiting plate 9, the support always slides in a hyperboloid to play a role in seismic isolation and reduction function after the limiting plate 9 is damaged, and the seismic isolation and reduction effect of the support in the longitudinal direction of the bridge is improved; after the earthquake, the fixture block 8 can be unlocked to recover the normal function of the support.
Example 2
The hyperboloid spherical seismic isolation and reduction support with the displacement locking function has the same principle and structure as those of the embodiment 1, and is different in that only one upper clamping groove 1-1 is arranged, two lower clamping grooves 3-1 are arranged, the two lower clamping grooves are located on two sides of the upper clamping groove 1-1, the center distance between the two lower clamping grooves 3-1 and the upper clamping groove 1-1 in the longitudinal bridge direction is the maximum displacement of normal temperature rise of the support, and the maximum displacement of normal temperature rise can be limited regardless of the position of the top seat plate on which side.
Example 3
The hyperboloid spherical seismic isolation and reduction support with the displacement locking function has the same principle and structure as those of the embodiment 1, and is different from the hyperboloid spherical seismic isolation and reduction support in that two upper clamping grooves 1-1 are arranged as shown in fig. 4, the two upper clamping grooves 1-1 are symmetrically arranged along the central line of the transverse bridge direction, the positions of the clamping grooves 1-1-1 on the fixture block body are closer to the position of the central line of the longitudinal bridge direction of the support, meanwhile, the upper clamping grooves 1-1 on the same side are respectively corresponding to one lower clamping groove 3-1, the lower clamping grooves 3-1 are arranged on the inner side of the upper clamping grooves 1-1, and the maximum displacement limiting of normal temperature rise can be carried out no matter which.
Claims (3)
1. A hyperboloid spherical seismic mitigation and isolation bearing with a displacement locking function comprises a top seat plate (1), an upper seat plate (3), a middle seat plate (5), a lower seat plate (7) and a limiting plate (9), wherein the top seat plate (1), the upper seat plate (3), the middle seat plate (5) and the lower seat plate (7) are sequentially arranged from top to bottom, the lower surface of the top seat plate (1) and the upper surface of the upper seat plate (3) are planes, a plane friction pair (2) is arranged between the lower surface of the top seat plate (1) and the upper surface of the upper seat plate (3), permanent stop blocks (1-2) for transversely limiting the upper part of the upper seat plate (3) are arranged on two sides of a transverse bridge of the top seat plate (1), the lower surface of the upper seat plate (3) and the upper surface of the lower seat plate (7) are spherical surfaces, the middle seat plate (5) with spherical upper and lower surfaces is arranged in a space surrounded by the upper seat, be equipped with between the lower surface of last bedplate (3) and the upper surface of well bedplate (5) and go up spherical friction pair (4), be equipped with down spherical friction pair (6) between the upper surface of bedplate (7) and the lower surface of well bedplate (5) down, indulge in bedplate (7) down, horizontal bridge both sides all are fixed with limiting plate (9) that are cut after shaking, and limiting plate (9) correspond the lower part side setting of last bedplate (3), its characterized in that:
the support also comprises a displacement locking component arranged between the top seat plate (1) and the upper seat plate (3), the displacement locking component comprises at least one upper clamping groove (1-1) which is arranged on the lower surface of the top seat plate (1) and penetrates through the side surface of the top seat plate (1), at least two lower clamping grooves (3-1) which are arranged on the upper surface of the upper seat plate (3), and a clamping block (8) which extends out of the support from a through hole of the upper clamping groove (1-1), the clamping block (8) consists of a clamping block body (8-1) and a clamping block unlocking rod (8-2) which are connected into a whole, the bottom surface of the clamping block unlocking rod (8-2) is higher than the bottom surface of the clamping block body (8-1), the top surface of the clamping block unlocking rod (8-2) is lower than or equal to the top surface of the clamping block body (8-1), the upper clamping groove (1-1) and the lower clamping groove (3-1) are arranged along the transverse bridge direction and are arranged on the outer side of the plane friction pair (2), the center distance between the upper clamping groove (1-1) and the lower clamping groove (3-1) on the same side along the longitudinal bridge direction is the maximum displacement of normal temperature rise of the support, under normal conditions, the lower surface of the clamping block body (8-1) falls on the upper surface of the upper base plate (3), the upper part of the clamping block (8) is arranged in the upper clamping groove (1-1), the clamping block (8) moves on the upper base plate (3) along with the top base plate (1), when the displacement of the top base plate (1) and the upper base plate (3) reaches the maximum displacement of normal temperature rise, the lower part of the clamping block body (8-1) falls into the lower clamping groove (3-1) on the same side, the upper part of the clamping block body (8-1) is clamped in the upper clamping groove (, so that the top seat plate (1) and the upper seat plate (3) realize displacement locking.
2. The hyperboloid spherical seismic isolation bearing with the displacement locking function as claimed in claim 1, wherein: a guide sliding plate is arranged between the permanent stop block (1-2) and the upper part of the upper seat plate (3).
3. The hyperboloid spherical seismic isolation bearing with the displacement locking function as claimed in claim 1, wherein: a guide sliding plate is arranged between the limiting plate (9) and the lower part of the upper seat plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272645.5U CN211113146U (en) | 2019-08-07 | 2019-08-07 | Hyperboloid ball-type subtracts isolation bearing with displacement locking function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272645.5U CN211113146U (en) | 2019-08-07 | 2019-08-07 | Hyperboloid ball-type subtracts isolation bearing with displacement locking function |
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| CN211113146U true CN211113146U (en) | 2020-07-28 |
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| CN201921272645.5U Active CN211113146U (en) | 2019-08-07 | 2019-08-07 | Hyperboloid ball-type subtracts isolation bearing with displacement locking function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485280A (en) * | 2019-08-07 | 2019-11-22 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of hyperboloid spheroidal bearer of shock absorption and insulation with displacement lock function |
-
2019
- 2019-08-07 CN CN201921272645.5U patent/CN211113146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485280A (en) * | 2019-08-07 | 2019-11-22 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of hyperboloid spheroidal bearer of shock absorption and insulation with displacement lock function |
| CN110485280B (en) * | 2019-08-07 | 2024-02-06 | 中铁二院昆明勘察设计研究院有限责任公司 | Hyperboloid ball-type shock-absorbing and isolating support with displacement locking function |
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