CN214364204U - External resistance to plucking lead core isolation bearing of universal joint - Google Patents
External resistance to plucking lead core isolation bearing of universal joint Download PDFInfo
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- CN214364204U CN214364204U CN202120509892.3U CN202120509892U CN214364204U CN 214364204 U CN214364204 U CN 214364204U CN 202120509892 U CN202120509892 U CN 202120509892U CN 214364204 U CN214364204 U CN 214364204U
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Abstract
The utility model relates to the field of building shock insulation, in particular to an anti-pulling lead core shock insulation support with an external universal joint, which comprises an upper seal plate and a lower seal plate, wherein reserved bolt holes are respectively arranged on the upper seal plate and the lower seal plate, a lead core is arranged between the upper seal plate and the lower seal plate, shock insulation pads are arranged around the lead core and comprise a plurality of layers of rubber layers and steel plate layers which are alternately and hierarchically distributed; the upper sealing plate is provided with a plurality of reserved connecting holes, a sealing cover is fixed above the reserved connecting holes, a hollow protective column is fixed below the reserved connecting holes, a first universal joint is arranged in the protective column, a T-shaped block is fixed at the top end of the first universal joint, an annular limiting block is arranged at the bottom end of the protective column, and a spiral spring is fixed between the limiting block and the T-shaped block; a second universal joint is fixed on the lower seal, and anti-pulling rods are hinged between the first universal joint and the adjacent second universal joint; the utility model discloses the too big vertical pulling force of effective prevention earthquake destroys the support, plays the effect problem of protection architecture safety.
Description
Technical Field
The utility model relates to a building shock insulation technical field specifically discloses an external resistance to plucking lead core isolation bearing of universal joint.
Background
Earthquake is one of natural disasters threatening human beings, and the safety of lives and property of the people is seriously threatened. The shock insulation support is arranged between the upper structure and the foundation of the building, so that the self-vibration period of the whole structure system can be prolonged, the damping is increased, and the input of seismic energy to the upper structure is reduced.
At present, the development of the seismic isolation bearing technology is mature, horizontal seismic isolation is mostly focused, a rubber bearing formed by alternately laminating multiple layers of steel plates and rubber is widely used, and the application of the seismic isolation bearing in a high-rise structure has certain limitation due to the limited vertical uplift resistance function of the conventional seismic isolation bearing.
Disclosure of Invention
The utility model provides an external resistance to plucking lead core isolation bearing of universal joint can effectively prevent earthquake too big vertical pulling force and destroy the support, plays the effect problem of protection architecture safety.
In order to achieve the above object, the basic scheme of the utility model is:
an anti-pulling lead core shock insulation support with an external universal joint comprises an upper sealing plate and a lower sealing plate, wherein reserved bolt holes are formed in the upper sealing plate and the lower sealing plate, a coaxial lead core is arranged between the upper sealing plate and the lower sealing plate, a coaxial shock insulation pad is arranged around the lead core, and the shock insulation pad comprises a plurality of layers of rubber layers and steel plate layers which are alternately distributed in a stacked mode; the upper sealing plate is provided with a plurality of reserved connecting holes which are distributed in a circular array and vertically downward, a sealing cover is fixed above the reserved connecting holes, a hollow protective column is fixed below the reserved connecting holes, a first universal joint is arranged in the protective column, a T-shaped block is fixed at the top end of the first universal joint, an annular limiting block is arranged at the bottom end of the protective column, and a spiral spring is fixed between the limiting block and the T-shaped block; and second universal joints with the same number as the first universal joints are fixed on the upper surface of the lower seal, the first universal joints and the second universal joints are distributed in a staggered manner, and anti-pulling rods which are obliquely arranged are hinged between the first universal joints and the second universal joints adjacent to the two sides.
Optionally, the number of the reserved connecting holes is four, and the sealing cover is fixed on the upper surface of the upper sealing plate through high-strength bolts.
Optionally, two ball-and-socket joints are respectively fixed to the bottom end of the first universal joint and the top end of the second universal joint, and the anti-pulling rod is respectively connected to the corresponding first universal joint and the second universal joint through the ball-and-socket joints.
Optionally, the second universal joint is fixed to the lower closed upper surface by high-strength bolts.
Optionally, the uplift stem is a straight steel stem.
The working principle and the beneficial effects of the scheme are as follows:
the damping body is arranged on the periphery of the lead core, the rubber layer and the steel plate layer in the damping body are matched in the support to generate a reciprocating shearing deformation process, and partial energy is consumed by viscous internal friction between rubber molecular chains in the deformation process; the firmness of the lead core can prevent the damper from excessively changing, so that the rubber layer in the damper cannot recover deformation; in addition, the first universal joint, the second universal joint and the anti-pulling rod are connected in a hinged mode and can freely move within a certain range under the mutual cooperation, and the shock insulation performance of the support in the horizontal direction is not affected; when the support is displaced vertically, the first universal joint is displaced vertically in the protective column, energy dissipation and shock absorption are carried out through the spiral spring, and after the vertical displacement exceeds the preset displacement, the anti-pulling effect is achieved through the anti-pulling rod, and the support is prevented from being damaged by overlarge vertical force.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a longitudinal cross-sectional view of an embodiment of the invention;
FIG. 5 is an enlarged schematic view at C of FIG. 4;
fig. 6 is an enlarged schematic view of fig. 4 at D.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the sealing structure comprises an upper sealing plate 1, a lower seal 2, a lead core 3, a rubber layer 4, a steel plate layer 5, a reserved bolt hole 6, a reserved connecting hole 7, a sealing cover 8, a protective column 9, a first universal joint 10, a T-shaped block 11, a limiting block 12, a spiral spring 13, a second universal joint 14, an anti-pulling rod 15, a ball-and-socket joint 16 and a high-strength bolt 17.
Examples
As shown in fig. 1, 2, 3, 4, 5 and 6:
an anti-pulling lead core 3 shock insulation support with an external universal joint comprises an upper sealing plate 1 and a lower sealing plate, wherein reserved bolt holes 6 are formed in the upper sealing plate 1 and the lower sealing plate, a coaxial lead core 3 is arranged between the upper sealing plate 1 and the lower sealing plate 2, a coaxial shock insulation pad is arranged around the lead core 3, and the shock insulation pad comprises a plurality of layers of rubber layers 4 and steel plate layers 5 which are alternately distributed in a stacked mode; the upper sealing plate 1 is provided with a plurality of reserved connecting holes 7 which are distributed in a circular array and vertically downward, a sealing cover 8 is fixed above the reserved connecting holes 7, a hollow protective column 9 is fixed below the reserved connecting holes 7, a first universal joint 10 is arranged in the protective column 9, a T-shaped block 11 is fixed at the top end of the first universal joint 10, an annular limiting block 12 is arranged at the bottom end of the protective column 9, and a spiral spring 13 is fixed between the limiting block 12 and the T-shaped block 11; the upper surface of the lower seal 2 is fixed with second universal joints 14 with the same number as the first universal joints 10, the first universal joints 10 and the second universal joints 14 are distributed in a staggered mode, and anti-pulling rods 15 which are obliquely arranged are hinged between the first universal joints 10 and the second universal joints 14 which are adjacent to the two sides.
The upper sealing plate 1 is fixedly connected with a structure to be damped through the matching of the reserved bolt hole 6 and the bolt, and the lower sealing plate 2 is fixedly connected with the base structure through the matching of the reserved bolt hole 6 and the bolt; the damping body is arranged on the peripheral side of the lead core 3, the rubber layer 4 and the steel plate layer 5 in the damping body are matched in the support to generate a reciprocating shearing deformation process, and partial energy is consumed by viscous internal friction between rubber molecular chains in the deformation process; the firmness of the lead core 3 can prevent the damper from excessively deforming, so that the rubber layer 4 in the damper cannot recover the deformation.
In addition, the first universal joint 10, the second universal joint 14 and the anti-pulling rod 15 are connected in a hinged mode and can freely move within a certain range under the mutual cooperation, and the shock insulation performance of the support in the horizontal direction is not affected; when the support is displaced vertically, the upper sealing plate 1 and the lower sealing plate 2 are caused to displace vertically relative to each other, so that the first universal joint 10 is caused to displace vertically relative to the protection column 9, and the T-shaped block 11 is driven to move in the displacement process of the first universal joint 10, so that the helical spring 13 is contracted or stretched, and the helical spring 13 is utilized to play a role in dissipating energy and damping vibration; when the T-shaped block 11 moves upwards to abut against the sealing cover 8 or the T-shaped block 11 moves downwards to abut against the limiting block 12, namely, the vertical displacement of the support reaches the preset displacement, at the moment, a pulling force is generated between the first universal joint 10 and the second universal joint 14, the first universal joint 10 and the adjacent second universal joint 14 are hinged with the anti-pulling rod 15, the anti-pulling effect is achieved through the anti-pulling rod 15, and the support is prevented from being damaged by overlarge vertical force.
Optionally, the number of the reserved connecting holes 7 is four, and the sealing cover 8 is fixed on the upper surface of the upper sealing plate 1 through high-strength bolts 17.
Optionally, two ball-and-socket joints 16 are respectively fixed to the bottom end of the first universal joint 10 and the top end of the second universal joint 14, and the uplift rod 15 is respectively connected to the corresponding first universal joint 10 and the second universal joint 14 through the ball-and-socket joints 16.
Through the ball joint 16, the swing range among the first universal joint 10, the second universal joint 14 and the pulling-resistant rod 15 is larger, and the horizontal shock absorption capacity of the device can be better embodied.
Optionally, the second universal joint 14 is fixed on the upper surface of the lower closure 2 by high-strength bolts 17.
Optionally, the anti-plucking rod 15 is a straight steel rod.
The straight steel rod is adopted as the pulling-resistant rod 15, so that the pulling-resistant rod 15 is firmer and has stronger pulling-resistant capability.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.
Claims (5)
1. The utility model provides an external resistance to plucking lead core isolation bearing of universal joint which characterized in that: the lead core vibration isolation device comprises an upper sealing plate and a lower sealing plate, wherein reserved bolt holes are formed in the upper sealing plate and the lower sealing plate, a coaxial lead core is arranged between the upper sealing plate and the lower sealing plate, coaxial vibration isolation pads are arranged on the periphery of the lead core, and each vibration isolation pad comprises a plurality of layers of rubber layers and steel plate layers which are alternately distributed in a stacked mode; the upper sealing plate is provided with a plurality of reserved connecting holes which are distributed in a circular array and vertically downward, a sealing cover is fixed above the reserved connecting holes, a hollow protective column is fixed below the reserved connecting holes, a first universal joint is arranged in the protective column, a T-shaped block is fixed at the top end of the first universal joint, an annular limiting block is arranged at the bottom end of the protective column, and a spiral spring is fixed between the limiting block and the T-shaped block; and second universal joints with the same number as the first universal joints are fixed on the upper surface of the lower seal, the first universal joints and the second universal joints are distributed in a staggered manner, and anti-pulling rods which are obliquely arranged are hinged between the first universal joints and the second universal joints adjacent to the two sides.
2. The universal joint external pulling-resistant lead core vibration-isolating support as claimed in claim 1, wherein: the number of the reserved connecting holes is four, and the sealing cover is fixed on the upper surface of the upper sealing plate through a high-strength bolt; the number of the second universal joints is four.
3. The universal joint external pulling-resistant lead core vibration-isolating support as claimed in claim 2, wherein: two spherical hinge type joints are respectively fixed at the bottom end of the first universal joint and the top end of the second universal joint, and the anti-pulling rod is respectively connected with the corresponding first universal joint and the second universal joint through the spherical hinge type joints.
4. The universal joint external pulling-resistant lead core vibration-isolating support as claimed in claim 3, wherein: the second universal joint is fixed on the upper surface of the lower seal through a high-strength bolt.
5. The universal joint external pulling-resistant lead core vibration-isolating support as claimed in claim 4, wherein: the anti-pulling rod is a straight steel rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120509892.3U CN214364204U (en) | 2021-03-10 | 2021-03-10 | External resistance to plucking lead core isolation bearing of universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120509892.3U CN214364204U (en) | 2021-03-10 | 2021-03-10 | External resistance to plucking lead core isolation bearing of universal joint |
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| CN214364204U true CN214364204U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120509892.3U Active CN214364204U (en) | 2021-03-10 | 2021-03-10 | External resistance to plucking lead core isolation bearing of universal joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431316A (en) * | 2020-11-19 | 2021-03-02 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
| CN115405008A (en) * | 2022-09-16 | 2022-11-29 | 郭微 | Swing and sliding composite support in integrated structure |
-
2021
- 2021-03-10 CN CN202120509892.3U patent/CN214364204U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431316A (en) * | 2020-11-19 | 2021-03-02 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
| CN115405008A (en) * | 2022-09-16 | 2022-11-29 | 郭微 | Swing and sliding composite support in integrated structure |
| CN115405008B (en) * | 2022-09-16 | 2024-02-13 | 郭微 | Swing and sliding composite support in integrated structure |
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