Bidirectional adjusting support suitable for piled raft foundation

By designing a bidirectional adjustable bearing suitable for pile-raft foundations, and utilizing the detachable structure of the seismic central column and transverse baffle, the seismic impact force is buffered and the replacement of parts is convenient, thus solving the problem of aging and damage of seismic bearings and improving the safety and lifespan of buildings.

CN223922406UActive Publication Date: 2026-02-17ZHEJIANG DINGGU CONSTR TECH CO LTD
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Patent Information

Application Number
CN202520516006.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-17
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing seismic bearing components are prone to aging, deformation, and damage during long-term use, affecting the safety of buildings, and the replacement process may cause harm to the building.

Method used

A bidirectional adjustable bearing suitable for pile-raft foundations was designed, comprising a lower support plate, a seismic-resistant central column, an upper sleeve, a transverse baffle, and a spring-damped vibration isolator. It buffers seismic impact through longitudinal and transverse deformation, and the detachable structure facilitates the replacement of seismic pads and central column accessories. Multiple baffles and a semi-cylindrical structure are used to allow for individual replacement to reduce the impact on the building.

Benefits of technology

It effectively buffers the longitudinal and lateral impact forces brought by earthquakes, extends the service life of the bearings, reduces the damage to the building caused by replacing parts, and improves the safety and stability of the building.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a two-way adjusting support suitable for a piled raft foundation, and belongs to the technical field of buildings. A two-way adjusting support suitable for a piled raft foundation comprises a lower supporting plate and an anti-seismic middle column arranged on the lower supporting plate, the anti-seismic middle column can deform longitudinally to buffer longitudinal impact force, the anti-seismic middle column is sleeved with an upper sleeve, the top of the upper sleeve is fixedly connected with the upper supporting plate, and a plurality of transverse baffles are detachably and fixedly installed on the lower supporting plate. The transverse baffles are evenly distributed on the side wall of the upper sleeve, the transverse anti-seismic rubber mat is arranged between the transverse baffles and the upper sleeve, and the transverse anti-seismic rubber mat can deform transversely to buffer transverse impact force. The bidirectional adjusting support has the beneficial effect that support accessories are convenient to replace.
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Description

Technical Field

[0001] This application relates to the field of building technology, and more specifically, to a bidirectional adjustable bearing suitable for pile-raft foundations. Background Technology

[0002] Seismic bearings are critical components specifically designed for use in structures such as buildings and bridges to enhance their stability and safety during earthquakes. By absorbing and dissipating seismic energy, seismic bearings effectively reduce the impact of earthquakes on building structures, thereby protecting people and minimizing property damage.

[0003] Since buildings can last for up to a century, existing seismic bearing components are susceptible to aging, deformation, and damage due to environmental factors and manufacturing processes, which significantly impacts building safety.

[0004] In view of this, the purpose of this utility model is to provide a bidirectional adjustable bearing suitable for pile raft foundations that facilitates the replacement of seismic bearing accessories. Utility Model Content

[0005] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0006] To address the technical problems mentioned in the background section, some embodiments of this application provide a bidirectional adjustable support suitable for pile-raft foundations, including a lower support plate and an anti-seismic central column disposed on the lower support plate. The anti-seismic central column is capable of longitudinal deformation to buffer longitudinal impact forces. An upper sleeve is fitted over the anti-seismic central column, and the top of the upper sleeve is fixedly connected to the upper support plate. Multiple transverse baffles are detachably and fixedly installed on the lower support plate. The multiple transverse baffles are evenly distributed on the sidewalls of the upper sleeve. A transverse anti-seismic pad is disposed between the transverse baffles and the upper sleeve. The transverse anti-seismic pad is capable of transverse deformation to buffer transverse impact forces.

[0007] During operation, the seismic-resistant central column can undergo longitudinal deformation, which can buffer the longitudinal impact force brought by the earthquake. Multiple transverse seismic pads can buffer the transverse impact force brought by the earthquake. Since the transverse baffle is detachably fixed on the lower support plate, the transverse seismic pad between the transverse baffle and the upper sleeve can be easily replaced by removing the transverse baffle. Since multiple transverse baffles are set, replacing the transverse seismic pads one by one can reduce the damage to the building itself when replacing parts.

[0008] Furthermore, the upper support plate and the transverse baffle are connected by a spring damping vibration isolator. The spring damping vibration isolator and the top surface of the upper support plate form an angle α, with the value of α ranging from 20° to 70°.

[0009] Furthermore, a first mounting platform is provided on the transverse baffle, and a second mounting platform is provided on the lower support plate. Universal ball joint dampers are fixedly installed on the first mounting platform and the second mounting platform respectively, and the two universal ball joint dampers are fixedly connected by a spring damping vibration isolator.

[0010] Furthermore, the upper sleeve includes two opposing semi-cylinders, the bottom ends of which are detachably and fixedly mounted on the upper support plate.

[0011] Furthermore, both the outer wall of the semi-cylinder and the inner wall of the transverse anti-vibration pad are provided with a wear-resistant coating.

[0012] Furthermore, reinforcing ribs are provided on the transverse baffle.

[0013] Furthermore, two spring-damped vibration isolators are provided on the transverse baffle, with the two spring-damped vibration isolators positioned opposite each other on both sides of the reinforcing rib.

[0014] Furthermore, the seismic-resistant central column is formed by alternating layers of rubber and steel plates.

[0015] Furthermore, a rubber cover is provided between the upper support plate and the lower support plate, and a transverse baffle is provided inside the rubber cover.

[0016] The beneficial effects of this application are as follows:

[0017] First, the transverse seismic pads can be easily replaced by disassembling the transverse baffles. Since multiple transverse baffles are installed on the side wall of the upper sleeve, the transverse seismic pads can be replaced by disassembling the transverse baffles one by one, which can reduce the damage to the building itself caused by the replacement of parts.

[0018] Second, by installing spring-damped vibration isolators, the lateral and longitudinal impact forces brought by earthquakes can be further absorbed.

[0019] Third, since the upper sleeve consists of two opposing semi-cylinders, the seismic-resistant central column can be easily replaced by disassembling either of the semi-cylinders. Attached Figure Description

[0020] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0021] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0022] In the attached diagram:

[0023] Figure 1 This is an overall schematic diagram of an embodiment of this application;

[0024] Figure 2 This is a cross-sectional structural schematic diagram of an embodiment of this application;

[0025] Figure 3 This is a schematic diagram of the overall internal structure of an embodiment of this application;

[0026] Figure 4 This is a cross-sectional structural schematic diagram of an embodiment of this application, mainly showing the included angle α between the spring damping vibration isolator and the upper support plate.

[0027] Figure label:

[0028] 1. Lower support plate; 2. Seismic-resistant central column; 3. Upper sleeve; 4. Upper support plate; 5. Transverse baffle; 6. Transverse seismic pad; 7. Spring damping vibration isolator; 8. α; 9. First mounting platform; 10. Second mounting platform; 11. Universal ball head damper; 12. Semi-cylinder; 13. Reinforcing rib; 14. Rubber layer; 15. Steel plate layer; 16. Rubber cover; 17. Pile foundation. Detailed Implementation

[0029] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0030] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0031] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0032] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0033] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0034] A bidirectional adjustable bearing suitable for pile-raft foundations includes a lower support plate 1 and an anti-seismic central column 2 fixedly installed on the top surface of the lower support plate 1. The anti-seismic central column 2 is formed by alternating rubber layers 14 and steel plate layers 15 to allow longitudinal deformation of the anti-seismic central column 2 and buffer the longitudinal impact force brought by earthquakes. The lower support plate 1 is fixedly installed on the top surface of the concrete pile foundation 17 by pre-embedded anchoring steel ribs. An upper sleeve 3 is fitted over the anti-seismic central column 2, and the top of the upper sleeve 3 is fixedly connected to the upper support plate 4. The building body is built on the upper support plate 17. Specifically, on the support plate 4, the upper sleeve 3 includes two opposing semi-cylinders 12, which are detachably and fixedly installed on the bottom surface of the upper support plate 4; multiple transverse baffles 5 are detachably and fixedly installed on the lower support plate 1, which are evenly distributed in a circumferential array around the side wall of the upper sleeve 3, and transverse anti-seismic pads 6 are provided between the transverse baffles 5 and the upper sleeve 3. The transverse anti-seismic pads 6 are made of rubber and can undergo transverse deformation to buffer the transverse impact force brought by the earthquake.

[0035] To reduce wear and tear on parts, the outer wall of the semi-cylinder 12 and the inner wall of the transverse seismic pad 6 are both provided with wear-resistant coatings. When the seismic central column 2 undergoes longitudinal deformation to buffer the longitudinal impact force of an earthquake, the wear-resistant coating can protect the semi-cylinder 12 and the transverse seismic pad 6 and resist the friction and wear between the semi-cylinder 12 and the transverse seismic pad 6.

[0036] To further improve the seismic performance of the support, the upper support plate 4 and the transverse baffle 5 are connected by a spring-damped vibration isolator 7. Specifically, a first mounting platform 9 is fixedly installed on the transverse baffle 5, and a second mounting platform 10 is fixedly installed on the bottom surface of the lower support plate 1. Two parallel inclined surfaces are formed on the first mounting platform 9 and the second mounting platform 10. Universal ball head dampers 11 are fixedly installed on the inclined surfaces of the first mounting platform 9 and the second mounting platform 10, and the two universal ball head dampers 11 are fixedly connected by the spring-damped vibration isolator 7. A reinforcing rib 13 is provided on the transverse baffle 5, and two spring-damped vibration isolators 7 are provided on each transverse baffle 5. The two spring-damped vibration isolators 7 are arranged opposite to each other on both sides of the reinforcing rib 13. The spring-damped vibration isolator 7 forms an angle α8 with the top surface of the upper support plate 4. The value of α8 is in the range of 20°-70°. Specifically, in this embodiment, the value of α is 70°.

[0037] To protect the support, a rubber cover 16 is installed between the upper support plate 4 and the lower support plate 1. The transverse baffle 5, the first mounting platform 9, the second mounting platform 10, the spring damping vibration isolator 7 and other accessories are all installed inside the rubber cover 16. The rubber cover 16 can undergo transverse and longitudinal deformation.

[0038] By setting up the seismic center column 2, the longitudinal impact force brought by the earthquake can be buffered. By setting up the transverse seismic pad 6, the transverse impact force brought by the earthquake can be buffered. By setting up the spring damping vibration isolator 7, the impact force of the earthquake can be further buffered. Since the spring damping vibration isolator 7 forms an angle with the bottom surface of the upper support plate 4, the spring damping vibration isolator 7 can buffer both the transverse and longitudinal impact forces brought by the earthquake. The universal ball head damper 11 can prevent the spring damping vibration isolator 7 from rotating, thereby buffering the impact force of the earthquake. Since multiple transverse baffles 5 are set and are detachably fixedly installed on the lower support plate 1, the transverse seismic pads 6 can be replaced one by one by removing the transverse baffles 5, reducing the damage to the building body caused by replacing parts. Since the upper sleeve 3 is composed of two oppositely arranged semi-cylinders 12, the semi-cylinders 12 are detachably fixedly installed on the upper support plate 4. By removing one of the semi-cylinders 12, the seismic center column 2 can be easily replaced. Replacing parts can prevent the aging and damage of the support parts and extend the service life of the support.

[0039] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A bidirectional adjusting support suitable for a pile raft foundation, characterized in that, The utility model relates to a kind of anti-seismic middle column (2) and lower support plate (1) being arranged on the lower support plate (1), the anti-seismic middle column (2) can be longitudinally deformed, to buffer longitudinal impact force, the anti-seismic middle column (2) is equipped with upper sleeve (3), the top of upper sleeve (3) is fixedly connected with upper support plate (4), a plurality of transverse baffle (5) is detachably fixed on the lower support plate (1), a plurality of the transverse baffle (5) is evenly distributed in the lateral wall of the upper sleeve (3), transverse anti-seismic rubber pad (6) is arranged between the transverse baffle (5) and the upper sleeve (3), and the transverse anti-seismic rubber pad (6) can be transversely deformed, to buffer transverse impact force.

2. The bidirectional adjusting support suitable for pile raft foundation according to claim 1, wherein: the upper support plate (4) and the transverse baffle (5) are connected through spring damping vibration isolator (7), the spring damping vibration isolator (7) and the top surface of the upper support plate (4) form an angle α (8), and the value of α (8) is 20°-70°.

3. The bidirectional adjusting support suitable for pile raft foundation according to claim 2, wherein: the transverse baffle (5) is provided with a first mounting table (9), the lower support plate (1) is provided with a second mounting table (10), and the first mounting table (9) and the second mounting table (10) are respectively fixedly installed with universal ball head damper (11), and the two universal ball head dampers (11) are fixedly connected through the spring damping vibration isolator (7).

4. The bidirectional adjusting support suitable for pile raft foundation according to claim 3, wherein: the upper sleeve (3) comprises two oppositely arranged half cylinders (12), and the two half cylinders (12) are detachably fixedly installed at the bottom end of the upper support plate (4).

5. The bidirectional adjusting support suitable for pile raft foundation according to claim 4, wherein: the outer lateral wall of the half cylinder (12) and the inner lateral wall of the transverse anti-seismic rubber pad (6) are provided with wear-resistant coating.

6. The bidirectional adjusting support suitable for pile raft foundation according to claim 5, wherein: the transverse baffle (5) is provided with reinforcing ribs (13).

7. The bidirectional adjusting support suitable for pile raft foundation according to claim 6, wherein: the transverse baffle (5) is provided with two spring damping vibration isolators (7), and the two spring damping vibration isolators (7) are oppositely arranged on the two sides of the reinforcing ribs (13).

8. The bidirectional adjusting support suitable for pile raft foundation according to claim 1, wherein: the anti-seismic middle column (2) is formed by the interlaced connection of rubber layer (14) and steel plate layer (15).

9. The bidirectional adjusting support suitable for pile raft foundation according to claim 1, wherein: a rubber cover (16) is arranged between the upper support plate (4) and the lower support plate (1), and the transverse baffle (5) is arranged in the rubber cover (16).