Three-dimensional vibration double-control elastic sliding plate support

By designing a three-dimensional vibration dual-controlled elastic skateboard support, the sliding friction pairs of the polytetrafluoroethylene plate and the sliding panel and multi-layer thick layer high-damping materials are used to solve the problem of insufficient energy consumption capacity of traditional support, effectively isolating earthquakes and vibrations, and protecting the building structure from damage.

CN120273457APending Publication Date: 2025-07-08ZHONGZHEN HUACHUANG (SHENZHEN) TECH CO LTD +1
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Patent Information

Application Number
CN202510653139.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2025-07-08

AI Technical Summary

Technical Problem

In the prior art, traditional elastic skateboard support has limited energy consumption capacity and cannot effectively absorb seismic energy. At the same time, traditional vibration isolation products cannot isolate earthquakes and vibrations at the same time, especially when crossing buildings at close range, the environmental vibration and noise caused by the subway are serious.

Method used

A three-dimensional vibration-vibration dual-control elastic slide plate support is designed to form a horizontal sliding friction pair with the sliding panel through the polytetrafluoroethylene plate and the sliding panel. Combined with multiple layers of thick and high-damping materials, horizontal sliding vibration isolation and vertical vibration control are achieved. The pre-pressure design of the steel sleeve ensures that the sliding friction pair is not disturbed by vertical forces.

Benefits of technology

It improves energy consumption capacity, effectively absorbs seismic energy, reduces the horizontal earthquake and vertical vibration effects of the structure, and realizes dual-function coordinated control of horizontal sliding earthquake isolation and vertical vibration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of earthquake and traffic vibration control, in particular to a three-dimensional vibration and vibration double-control elastic sliding plate support which is composed of a vertical traffic vibration control part and a horizontal earthquake control part and specifically comprises a vibration control assembly, a sealing plate, an elastic sliding body, a sliding panel, a sliding steel plate and a polytetrafluoroethylene plate. Wherein the vibration control assembly comprises a thick high-damping material, a steel sleeve, a connecting plate, a flange plate, a sealing plate, a tensile snap ring and an adjusting ring, the vibration control assembly is connected with the elastic sliding body through a bolt, and the elastic sliding body is connected with the polyfluortetraethylene plate into a complete sliding body through bolt connection or glue bonding. According to the support, the elastic sliding body slides on the sliding panel to isolate and consume earthquake energy, the vibration control assembly can reduce the vertical rigidity of the support, so that vertical vibration energy is isolated, it is guaranteed that a sliding friction pair is not interfered by vertical force through the steel sleeve prepressing design, and dual-function cooperation of horizontal sliding shock isolation and vertical vibration control can be achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of seismic isolation and vibration reduction, and particularly to a three-dimensional seismic and vibration dual-control elastic sliding plate bearing. Background Art

[0002] On the one hand, the base isolation technology is one of the mature high-techs widely promoted and applied in the world's earthquake engineering field at present. The so-called base isolation technology is to set a soft isolation layer composed of isolation devices between the upper structure of a building and the foundation. During an earthquake, almost all of the seismic energy is absorbed by the isolation layer, thereby protecting the upper structure from damage. At present, the isolation bearings that are widely used are mainly divided into two categories according to their performance: rubber isolation bearings and elastic sliding plate bearings. The elastic sliding plate bearings mainly rely on the relative sliding of the friction pair to dissipate the earthquake input energy. However, the energy dissipation capacity of traditional elastic sliding plate bearings is limited.

[0003] On the other hand, with the growth of China's economy, the development of society, and the acceleration of the modernization process, the urban population and vehicles are both increasing significantly, resulting in increasingly tense ground construction land and increasingly severe urban traffic problems. This urgently requires major cities to build subways. With the development of urban rail transit planning, more and more urban rail transit lines inevitably need to pass under buildings with strict environmental vibration requirements, such as residential areas, office areas, museums, precision laboratories, etc., at close range, which is very likely to cause the relocation of precision laboratories, damage to cultural relics, and a decrease in the comfort of people's living and working. The environmental vibration and noise problems caused by subway trains are becoming increasingly prominent and are attracting more and more widespread attention from society. At present, the mainly used vibration isolation products include steel spring vibration isolators, etc., but the vast majority of vibration isolation products cannot isolate seismic action at the same time.

[0004] At present, traditional seismic isolation and vibration reduction products can only isolate horizontal earthquakes, and traditional vibration isolation products can only isolate vibrations. There are few products on the market that can isolate both earthquakes and vibrations. Some products are also composed of two parts: isolating vertical traffic vibrations and isolating horizontal seismic vibrations. The part for isolating horizontal seismic vibrations all adopts soft elastic deformation to reduce its horizontal stiffness, thereby playing a role in isolating earthquakes. Therefore, for the seismic and vibration dual-control bearing products, it is necessary to combine an isolation component with a sliding mechanism rather than an elastic deformation mechanism with the upper vertical traffic vibration control component to form a seismic and vibration dual-control product with better earthquake isolation effect. Summary of the Invention

[0005] To solve the above problems, the present invention proposes a three-dimensional seismic and vibration dual-control elastic sliding plate bearing. The present invention can improve the energy dissipation capacity, effectively absorb seismic energy, reduce the horizontal seismic action received by the structure, and can also reduce the vertical vibration and vertical seismic action. The preloading design of the steel sleeve ensures that the sliding friction pair is not interfered by the vertical force, realizing the dual-function coordination of horizontal sliding isolation and vertical vibration control.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] A three-dimensional vibration and shock dual-control elastic sliding bearing, comprising a vibration control component, a sealing plate, a sliding panel, a sliding steel plate and a polytetrafluoroethylene plate. The vibration control component is effectively connected to the polytetrafluoroethylene plate as a whole by bolt connection or glue bonding. The sliding panel is placed on the sliding steel plate, and the polytetrafluoroethylene plate abuts against the sliding panel. The polytetrafluoroethylene plate and the sliding panel form a horizontal sliding friction pair. There is a gap between the bottom surface of the steel sleeve of the vibration control component and the sliding panel to ensure no mechanical interference during sliding.

[0008] Preferably, the vibration control component is composed of a flange plate, a connecting plate, a sealing plate and a thick layer of high-damping material laminated together, and a steel sleeve, a tensile retaining ring and an adjusting ring are arranged outside the sealing plate. There are several plate-shaped thick high-damping structures and connecting plates arranged at intervals between the flange plate and the sealing plate. The sealing plate is provided with a groove and the polytetrafluoroethylene plate and the sealing plate are connected by connecting bolts or welding. The polytetrafluoroethylene plate is connected to the sealing plate. The flange plate, the connecting plate, the sealing plate, the thick layer of high-damping material, the steel sleeve, the tensile retaining ring and the adjusting ring can be circular or square, etc.

[0009] Preferably, the bottom of the sealing plate has a groove matching the shape and size of the polytetrafluoroethylene plate. The polytetrafluoroethylene plate is placed in the groove, and the free sliding between the polytetrafluoroethylene plate and the sliding panel is used to extend the building structure period and form energy consumption to isolate seismic energy.

[0010] Preferably, the sealing plate and the polytetrafluoroethylene plate are connected by bolts or glue bonding.

[0011] Preferably, the sealing plate has several threaded holes, and the polytetrafluoroethylene plate is provided with several countersunk threaded holes corresponding to the positions of the threaded holes one by one. The polytetrafluoroethylene plate and the sealing plate are connected by screwing connecting bolts into the threaded holes and the countersunk threaded holes, which can reduce the thickness of the polytetrafluoroethylene plate to a greater extent and is also beneficial for replacement.

[0012] Preferably, the connecting plate and the thick layer of high-damping material can be pre-pressed to reduce the total height of the steel sleeve, or only increase the height of the groove of the sealing plate. The connecting plate and the thick layer of high-damping material, or the groove can reduce the displacement of the tensile retaining ring relative to the bottom of the sliding panel under the action of vertical load, and prevent the steel sleeve from blocking the free sliding of the polytetrafluoroethylene plate.

[0013] Preferably, the steel sleeve can be integrally or distributed in N equal parts along the diameter direction on the flange plate. The adjusting ring and the tensile clamping ring can be integrally or both distributed in N equal parts along the diameter or height direction on the steel sleeve. The inner diameter and outer diameter of the adjusting ring are the same as those of the steel sleeve. The outer diameter of the tensile clamping ring is the same as that of the steel sleeve, and the inner diameter of the tensile clamping ring is slightly smaller than the inner diameter of the steel sleeve.

[0014] Preferably, the outer dimensions of the connecting plate, the flange plate and the sealing plate are larger than the outer dimensions of the thick-layer high-damping material to prevent the thick-layer high-damping material from being sheared and damaged by the connecting plate.

[0015] Preferably, the outer peripheral surface of the sealing plate has a stepped structure. The first planar connecting member is connected with a steel sleeve, a tensile clamping ring and an adjusting ring on the side facing the sealing plate. The first end of the steel sleeve is fixedly connected with the first planar connecting member. A tensile clamping ring is arranged at the second end of the steel sleeve. Part of the structure of the tensile clamping ring extends inward and is clamped at the stepped structure. The height of the vibration control assembly can be adjusted by setting different numbers of the adjusting rings.

[0016] Preferably, the manufacturing method of the three-dimensional elastic sliding plate bearing is as follows:

[0017] S1: Combine the sealing plate, the connecting plate, the sealing plate and the polytetrafluoroethylene plate into a thick-layer rubber sliding bearing through a vulcanization process and connecting bolts;

[0018] S2: Pass the steel sleeve through the thick-layer rubber sliding bearing and place it at the lower end;

[0019] S3: Fix the lower end of the flange plate to the steel sleeve by bolts or welding;

[0020] S4: A non-preloading process can be adopted to directly fix the tensile clamping ring and the adjusting ring to the steel sleeve by bolts or welding; or a preloading process can be adopted. First, compress the connecting plate and the thick-layer high-damping structure downward by a certain displacement amount, and then fix the adjusting ring and the tensile clamping ring to the steel sleeve by bolts or welding. The tensile clamping ring is placed at the lower end position of the middle sealing plate, thereby completing the installation of the overall three-dimensional vibration and shock dual-control elastic sliding plate bearing.

[0021] The beneficial effects of using the present invention are:

[0022] This production realizes isolation and consumption of seismic energy by the free sliding between the polytetrafluoroethylene plate and the sliding panel to extend the building structure period. The multi-layer thick-story high-damping material can reduce the vertical stiffness of the bearing to achieve vibration control. At the same time, by preloading the connecting plate and the thick-story high-damping structure, the total height of the steel sleeve can be reduced, or only the height of the sealing plate groove is increased. Both can reduce the displacement of the tensile snap ring relative to the bottom of the sliding panel under the action of vertical load, prevent the steel sleeve from blocking the free sliding of the polytetrafluoroethylene plate, and achieve three-dimensional seismic vibration double control. The present invention can improve the energy dissipation capacity, effectively absorb seismic energy, greatly reduce the horizontal seismic action on the structure, and can also reduce the vertical vibration and vertical seismic action. The preloading design of the steel sleeve ensures that the sliding friction pair is not interfered by the vertical force, and realizes the dual-function coordination of horizontal sliding isolation and vertical vibration control. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic structural diagram of the three-dimensional seismic vibration double-control elastic sliding plate bearing of the present invention.

[0024] Figure 2 It is Figure 1 a schematic diagram of the polytetrafluoroethylene plate in

[0025] Figure 3 It is Figure 1 a cross-sectional view of the polytetrafluoroethylene plate in

[0026] Figure 4 It is Figure 1 a schematic diagram of the sealing plate in

[0027] Figure 5 It is Figure 1 a schematic diagram of the tensile snap ring in

[0028] Figure 6 It is Figure 1 a schematic diagram of the connecting plate in

[0029] Figure 7 It is Figure 1 a schematic diagram of the flange plate in

[0030] Figure 8 It is Figure 1 a cross-sectional view of the flange plate in

[0031] Figure 9 It is Figure 1 a schematic diagram of the steel sleeve in

[0032] Figure 10 It is Figure 1 a cross-sectional view of the steel sleeve in

[0033] Figure 11 It is Figure 1 a schematic diagram of the sliding panel and the sliding steel plate in

[0034] Figure 12 is Figure 1 a schematic diagram of the adjusting ring in

[0035] The reference numerals include:

[0036] 1 - upper flange plate, 2 - thick-layer high-damping material, 3 - connecting plate, 4 - sealing plate, 5 - polytetrafluoroethylene plate, 51 - countersunk screw hole, 6 - connecting bolt, 7 - process hole, 8 - sliding panel, 9 - sliding steel plate, 10 - tensile snap ring, 11 - adjusting ring, 12 - steel sleeve. Specific embodiments

[0037] To make the objectives, technical solutions and advantages of the present technical solution clearer and more understandable, the present technical solution will be further described in detail below in conjunction with specific embodiments. It should be understood that these descriptions are exemplary and not intended to limit the scope of the present technical solution.

[0038] As Figures 1 - 12 shown, this embodiment proposes a three-dimensional vibration and shock dual-control elastic sliding bearing, including a vibration control component, a sealing plate 4, a sliding panel 8, a sliding steel plate 9 and a polytetrafluoroethylene plate 5. The vibration control component includes a thick-layer high-damping material, a steel sleeve, a connecting plate, a flange plate, a sealing plate, a tensile snap ring 10 and an adjusting ring 11. The vibration control component is effectively connected to the polytetrafluoroethylene plate as a whole through bolt connection or glue bonding. The sliding panel is placed on the sliding steel plate, the polytetrafluoroethylene plate 5 abuts against the sliding panel 8, and the polytetrafluoroethylene plate 5 and the sliding panel 8 form a horizontal sliding friction pair. There is a gap between the bottom surface of the steel sleeve 12 of the vibration control component and the sliding panel 8 to ensure no mechanical interference during sliding.

[0039] A sealing plate 4 is provided at the second end of the vibration control component. The sealing plate 4 is connected to the polytetrafluoroethylene plate 5 at the sealing plate 4. The sealing plate 4 has a groove matching the shape and size of the polytetrafluoroethylene plate 5 at the polytetrafluoroethylene plate 5 of the sealing plate 4, and the polytetrafluoroethylene plate 5 of the sealing plate 4 is placed in the groove. The sealing plate 4 and the polytetrafluoroethylene plate 5 of the sealing plate 4 are connected by bolts. The sealing plate 4 has a number of threaded holes, and the polytetrafluoroethylene plate is provided with a number of countersunk screw holes 51 corresponding to the positions of the threaded holes one by one. The polytetrafluoroethylene plate and the sealing plate 4 are connected by screwing the connecting bolts 6 into the threaded holes and the countersunk screw holes 51. The first end of the vibration control component is a flange plate 1, and there are a number of plate-shaped thick-layer high-damping structures 2 and connecting plates 3 arranged at intervals between the flange plate 1 and the sealing plate 4. The loss damping ratio of the damping member ≥ 0.2. The outer peripheral surface of the sealing plate 4 has a stepped structure. A steel sleeve 12 is connected to the side of the first planar connecting member facing the sealing plate 4. The first end of the steel sleeve 12 is fixedly connected to the first planar connecting member, and a tensile snap ring 10 is provided at the second end of the steel sleeve 12. Part of the structure of the tensile snap ring 10 extends inward and is clamped at the stepped structure.

[0040] Example 1

[0041] This example presents a specific structure of a three - dimensional seismic and vibration dual - control elastic sliding bearing. As Figure 1 shown, the three - dimensional seismic and vibration dual - control elastic sliding bearing is composed of a flange plate 1, a connecting plate 3, a sealing plate 4, and a thick - layer high - damping material 2 laminated together. The sealing plate 4 is provided with a groove and the polytetrafluoroethylene plate 5 and the sealing plate 4 are reliably connected through connecting bolts 6, and is equipped with a sliding panel 8 and a sliding steel plate 9. The sliding panel 8 can be made of materials with a small roughness such as stainless steel. The connection between the sliding panel 8 and the sliding steel plate 9 can be welded or bolt - connected. The size of the sliding panel 8 is approximately 800 - 1600 mm larger than the size of the flange plate, and the size of the sliding steel plate 9 is approximately 100 - 200 mm larger than the size of the sliding panel 8. Using the bolt - connection method can reduce the cost of applying glue and is also beneficial for later replacement. The connecting bolts 6 are countersunk bolts, which can reduce the thickness of the polytetrafluoroethylene plate 5 to a greater extent.

[0042] The process holes 7 can effectively ensure the relative positions of the flange plate 1, the connecting plate 3, and the sealing plate 4, ensure the stability of the product performance, and improve the production quality and efficiency. The slot of the sealing plate 4 and the connecting bolts 6 can ensure that they do not fall off during the sliding process of the elastic sliding bearing.

[0043] The connecting plate 3 and the thick - layer high - damping structure 2 are arranged between the flange plate 1 and the sealing plate 4. The outer dimensions of the connecting plate 3, the flange plate 1, and the sealing plate 4 are larger than those of the thick - layer high - damping structure 2, preventing the thick - layer high - damping structure 2 from being shear - damaged by the connecting plate and enabling the bearing to bear tensile stress. The flange plate 1, the thick - layer high - damping structure 2, and the connecting plate 3 are combined into a whole through bolt - connection or welding, which can reduce the vertical stiffness, vertical earthquake, and vertical vibration of the bearing.

[0044] The flange plate 1 and the sealing plate 4 are combined through a steel sleeve 12, an adjusting ring 11, and a tensile clamping ring 10, so that the connecting plate 3 and the thick - layer high - damping structure 2 are connected between the flange plate 1 and the sealing plate 4.

[0045] The present invention also discloses two processes. By pre - pressing the connecting plate 3 and the thick - layer high - damping structure 2 to reduce the total height of the steel sleeve 12, or only increasing the groove height of the sealing plate 4, both can reduce the displacement of the tensile clamping ring 10 relative to the bottom of the sliding panel under the action of vertical load, prevent the steel sleeve 12 from blocking the free sliding of the polytetrafluoroethylene plate 5, and achieve three - dimensional seismic and vibration dual - control.

[0046] The polytetrafluoroethylene plate 5 adopted in the present invention has a horizontal friction coefficient ≤ 0.04, which can isolate most of the seismic energy; the high - damping material adopted has a damping ratio ≥ 0.2, which can improve the energy - dissipation capacity, effectively absorb the seismic energy, and reduce the seismic force received by the structure;

[0047] The polytetrafluoroethylene plate 5 and the sliding panel 8 form a horizontal sliding friction pair, with a sliding friction coefficient ≤ 0.04 and a sliding displacement ≥ ±200 mm; the distance between the steel sleeve 12 of the vibration control component and the bottom of the sliding panel 8 ≥ 10 mm to ensure no mechanical interference during sliding;

[0048] By pre-pressing the connecting plate 3 and the thick high-damping material 2, the total height of the steel sleeve 12 is reduced by 20 - 30 mm to ensure that the gap between the bottom surface of the steel sleeve and the sliding panel 8 ≥ 10 mm, which not only reduces the vertical stiffness to isolate vibration but also avoids interfering with horizontal sliding;

[0049] When encountering a horizontal earthquake, the polytetrafluoroethylene plate 5 slides freely along the sliding panel 8, dissipating energy through friction. At the same time, the thick high-damping material of the vibration control component absorbs vertical seismic motion; when rail transit vibration is transmitted to the bearing, the laminated structure of the high-damping material and the connecting plate 3 reduces the vertical stiffness, converting the vibration energy into heat energy, and the pre-press design of the steel sleeve 12 ensures that the sliding friction pair is not interfered by vertical forces, realizing the dual-functional coordination of horizontal sliding isolation and vertical vibration control.

[0050] Generally, the vibration control component is laminated by a flange plate 1, a connecting plate 3, a sealing plate 4, and a high-damping material 2. The sealing plate is provided with a groove and the polytetrafluoroethylene plate 5 and the sealing plate 4 are reliably connected through a connecting bolt 6.

[0051] The steel sleeve 12 can be integrally or distributed in N equal parts along the diameter direction on the flange plate 1. The adjusting ring 11 and the tensile clamping ring 10 can be integrally or both distributed in N equal parts along the diameter or height direction on the steel sleeve 12. The inner diameter and outer diameter of the adjusting ring 11 are the same as those of the steel sleeve 12. The outer diameter of the tensile clamping ring 10 is the same as that of the steel sleeve 12, and the inner diameter of the tensile clamping ring 10 is slightly smaller than the inner diameter of the steel sleeve 12.

[0052] The manufacturing method of the above three-dimensional elastic sliding plate bearing is as follows:

[0053] S1: Combine the sealing plate 4, the connecting plate 3, the sealing plate 4, and the thick high-damping structure 2 into a thick-layer rubber bearing through a vulcanization process and connecting bolts.

[0054] S2: Pass the steel sleeve 12 through the thick-layer rubber bearing and place it at the lower end.

[0055] S3: Fix the lower end of the flange plate 1 to the steel sleeve 12 through bolts or welding.

[0056] S4: Adopt a non-preloading process and directly fix the tensile snap ring 10 and the adjusting ring 11 on the steel sleeve 12 by bolts or welding; or adopt a preloading process. First, compress the connecting plate 3 and the thick high-damping structure 2 downward by a certain displacement amount until the clearance between the bottom surface of the steel sleeve 12 and the sliding panel 8 is ≥ 10 mm. Then fix the tensile snap ring 10, and then fix the adjusting ring 11 and the tensile snap ring 10 on the steel sleeve 12 by bolts or welding. The tensile snap ring 10 is placed at the lower end position of the middle sealing plate, thus completing the installation of the overall three-dimensional elastic sliding plate bearing.

[0057] In this production, an energy consumption pair is formed between the polytetrafluoroethylene plate 5 and the sliding panel 8, and the multi-layer thick high-damping structure 2 forms a vibration control body. This production can isolate horizontal earthquakes, isolate vertical rail transit vibrations to the greatest extent, and isolate vertical earthquakes to a certain extent, achieving dual control of seismic vibration, and thus protecting the superstructure from seismic damage or vibration effects.

[0058] This product can also be used in combination with ordinary three-dimensional seismic vibration dual-control rubber bearings.

[0059] The above content is only the preferred embodiment of the present invention. For those of ordinary skill in the art, many changes can be made in the specific implementation manners and application scopes according to the idea of the present technical content. As long as these changes do not deviate from the concept of the present invention, they all fall within the protection scope of this patent.

Claims

1. A three-dimensional vibration and shock dual-control elastic sliding bearing, characterized in that: It includes a vibration control component, a sealing plate, a sliding panel, a sliding steel plate and a polytetrafluoroethylene plate. The vibration control component is effectively connected to the polytetrafluoroethylene plate as a whole by bolt connection or glue bonding. The sliding panel is placed on the sliding steel plate, and the polytetrafluoroethylene plate abuts against the sliding panel. The polytetrafluoroethylene plate and the sliding panel form a horizontal sliding friction pair. There is a gap reserved by preloading between the bottom surface of the steel sleeve of the vibration control component and the sliding panel to ensure no mechanical interference during sliding.

2. The three-dimensional vibration and shock dual-control elastic sliding plate bearing according to claim 1, wherein: The vibration control component is composed of a flange plate, a connecting plate, a sealing plate and a stack of thick high-damping materials. A steel sleeve, a tensile retaining ring and an adjusting ring are arranged on the outer side of the sealing plate. There are several plate-shaped thick high-damping materials and connecting plates arranged at intervals between the flange plate and the sealing plate. The sealing plate is provided with a groove and the polytetrafluoroethylene plate and the sealing plate are reliably connected by connecting bolts or glue bonding. The polytetrafluoroethylene plate is connected to the sealing plate. The flange plate, the connecting plate, the sealing plate, the thick high-damping materials, the steel sleeve, the tensile retaining ring and the adjusting ring can be circular or square, etc.

3. The three-dimensional vibration and shock dual-control elastic slide bearing according to claim 2, characterized in that: The bottom of the sealing plate has a groove matching the shape and size of the polytetrafluoroethylene plate towards the polytetrafluoroethylene plate. The polytetrafluoroethylene plate is placed in the groove, and it can slide freely between the polytetrafluoroethylene plate and the sliding panel to extend the building structure period, thereby realizing the isolation and dissipation of seismic energy.

4. The three-dimensional shock and vibration dual-control elastic slide bearing according to claim 2, characterized in that: The sealing plate and the polytetrafluoroethylene plate are connected by bolt connection or glue bonding.

5. The three-dimensional vibration and shock dual-control elastic slide bearing according to claim 2, characterized in that: There are several threaded holes on the sealing plate, and several countersunk screw holes corresponding to the positions of the threaded holes one by one are opened on the tetrafluoroethylene plate. The tetrafluoroethylene plate and the sealing plate are connected by screwing connecting bolts into the threaded holes and the countersunk screw holes, which can reduce the thickness of the polytetrafluoroethylene plate to a greater extent and is also beneficial for replacement.

6. The three-dimensional vibration and shock dual-control elastic sliding bearing according to claim 2, characterized in that: The connecting plate and the thick high-damping material can be preloaded to reduce the total height of the steel sleeve, or only increase the height of the groove of the sealing plate. The preloading process or increasing the height of the groove of the sealing plate can both reduce the displacement of the tensile retaining ring relative to the bottom of the sliding panel under the action of vertical load and prevent the steel sleeve from blocking the free sliding of the polytetrafluoroethylene plate.

7. The three-dimensional vibration and shock dual-control elastic sliding bearing according to claim 2, characterized in that: The steel sleeve can be arranged on the flange plate integrally or distributed in N equal parts along the diameter direction. The adjusting ring and the tensile retaining ring can be arranged on the steel sleeve integrally or both distributed in N equal parts along the diameter or height direction. The inner diameter and outer diameter of the adjusting ring are the same as those of the steel sleeve. The outer diameter of the tensile retaining ring is the same as that of the steel sleeve. The inner diameter of the tensile retaining ring is slightly smaller than the inner diameter of the steel sleeve.

8. The three-dimensional vibration and shock dual-control elastic sliding bearing according to claim 2, wherein: The outer dimensions of the connecting plate, the flange plate and the sealing plate are larger than the outer dimensions of the thick high-damping material to prevent the thick high-damping material from being sheared and damaged by the connecting plate.

9. The three-dimensional vibration and shock dual-control elastic slide bearing according to claim 2, wherein: The outer peripheral surface of the sealing plate has a stepped structure. A steel sleeve, a tensile retaining ring and an adjusting ring are connected to the side of the first planar connecting piece facing the sealing plate. The first end of the steel sleeve is fixedly connected to the first planar connecting piece. The second end of the steel sleeve is provided with a tensile retaining ring. Part of the structure of the tensile retaining ring extends inwards and is clamped at the stepped structure. The height of the vibration control component can be adjusted by setting different numbers of the adjusting rings.

10. The three-dimensional vibration and shock dual-control elastic sliding bearing according to any one of claims 2-9, characterized in that: The manufacturing method of the three-dimensional elastic sliding plate bearing is as follows: S1: Combine the sealing plate, connecting plate, sealing plate and polytetrafluoroethylene plate into a thick-layer rubber sliding bearing through vulcanization process and connecting bolts; S2: Pass the steel sleeve through the thick-layer rubber sliding bearing and place it at the lower end; S3: Fix the lower end of the flange plate to the steel sleeve by bolts or welding; S4: The preloading process may not be adopted, and the tensile clamping ring and the adjusting ring are directly fixed on the steel sleeve by bolts or welding; or the preloading process is adopted. First, compress the connecting plate and the thick-layer high-damping structure downward by a certain displacement amount, and then fix the adjusting ring and the tensile clamping ring on the steel sleeve by bolts or welding. The tensile clamping ring is placed at the lower end position of the middle sealing plate, so as to complete the installation of the overall three-dimensional shock vibration dual-control elastic sliding plate bearing.

Citation Information

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