Self-resetting seismic mitigation and isolation spherical support

Abstract

The invention provides a self-resetting seismic mitigation and isolation spherical support which comprises an upper support assembly, a lower support assembly and seismic mitigation and isolation springs, and the seismic mitigation and isolation springs are arranged in the east direction, the west direction, the south direction and the north direction of the basin ring wall of the upper support assembly and the basin ring wall of the lower support assembly respectively and abut against the basin ring wall. The vibration reduction and isolation springs are arranged in the east direction, the west direction, the south direction and the north direction of the basin ring walls of the upper support assembly and the lower support assembly, the structure is simplified, the number and complexity of parts are reduced, when an earthquake or a vehicle passes through or the supports are subjected to other external force, the vibration reduction and isolation springs can effectively absorb vibration and stress generated by the external force such as the earthquake, and the vibration reduction and isolation effect is improved. And vibration is reduced, so that the support, a structure supported by the support, a pier and a beam plate are protected from being damaged. In addition, the elasticity and restoring force of the vibration reduction and isolation spring can enable the upper support assembly and the lower support assembly to rapidly and stably restore to the original positions after being subjected to external force, and therefore the overall stability and reliability of the support are maintained.

Description

Technical Field

[0001] The invention relates to the technical field of bridges and building structures, and in particular to a self-resetting shock-absorbing and isolating spherical bearing. Background Art

[0002] Seismic isolation bearings are used in bridges, buildings and other projects to reduce the impact of natural disasters such as earthquakes on the structure.

[0003] Traditional seismic isolation bearing designs often rely on complex component combinations and friction pairs to achieve their self-reset function. For example, application number CN201822202317.X discloses a hyperbolic spherical seismic isolation bearing with a steel spring and a damping device, which achieves a post-earthquake self-reset function through the combined action of a spiral steel spring and a viscous damper. Although it can meet engineering requirements to a certain extent. However, the structure of its self-reset mechanism is complex, resulting in poor stability and reliability of the self-reset effect, and it is difficult to flexibly adjust according to actual needs.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a self-resetting vibration-isolating ball bearing to solve the technical problem that the self-resetting mechanism of the bearing in the prior art is complex in structure, resulting in poor stability and reliability of the self-resetting effect and difficulty in flexible adjustment according to actual needs. The many technical effects that can be produced by the preferred technical solution among the many technical solutions provided by the present invention are described in detail below.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The present invention provides a self-resetting, shock-absorbing and isolating spherical bearing, comprising an upper bearing assembly, a lower bearing assembly and a shock-absorbing and isolating spring. The shock-absorbing and isolating springs are respectively arranged in the east, west, south and north directions of the basin ring wall of the upper bearing assembly and the lower bearing assembly, and abut against the basin ring wall.

[0008] Preferably, the upper support assembly includes an upper support base plate, an upper support stainless steel slide plate, an upper support Teflon plate slide plate, an upper support pressure-bearing member and an upper support ball core which are sequentially connected from top to bottom; the upper support Teflon plate slide plate is embedded in the top surface of the upper support pressure-bearing member and is slidably connected to the upper support stainless steel slide plate along at least one preset direction.

[0009] Preferably, the top surface of the upper support ball core is a spherical surface, and the bottom surface of the upper support pressure piece is an upper curved ball socket matched with the top surface of the upper support ball core.

[0010] Preferably, the lower support assembly includes a lower support base plate, a lower support stainless steel slide plate, a lower support Teflon plate slide plate, a lower support pressure-bearing member and a lower support ball core which are connected in sequence from bottom to top; the lower support Teflon plate slide plate is embedded in the bottom surface of the lower support pressure-bearing member and is slidably connected to the lower support stainless steel slide plate along at least one preset direction.

[0011] Preferably, the bottom surface of the lower support ball core is a spherical surface, and the top surface of the lower support pressure piece is a lower curved ball socket matched with the bottom surface of the lower support ball core.

[0012] Preferably, a groove for reciprocating movement of the upper support ball core is provided on the non-spherical surface of the lower support ball core, a lower accommodating groove is provided on the groove, and an upper accommodating groove is provided on the non-spherical surface of the upper support ball core, and the upper accommodating groove and the lower accommodating groove together form an installation space for installing the installation block.

[0013] Preferably, mounting columns are provided on both the upper support substrate and the lower support substrate, and mounting grooves are provided on the mounting columns for installing the vibration-damping springs; the mounting grooves are arranged to penetrate the mounting columns in a horizontal direction, and the vibration-damping springs abut against the basin ring wall of the upper support pressure-bearing member or the lower support pressure-bearing member.

[0014] Preferably, a threaded section is provided at one end of the mounting groove away from the upper support pressure piece or the lower support pressure piece, for adjusting the compression degree of the vibration-damping spring by means of a bolt.

[0015] The preferred technical solution of the present invention can at least produce the following technical effects:

[0016] The present invention effectively avoids the technical problems that the self-resetting mechanism of the support in the prior art is complex in structure, resulting in poor stability and reliability of the self-resetting effect, and difficulty in flexible adjustment according to actual needs. The present invention provides a self-resetting vibration-isolating spherical support, including an upper support assembly, a lower support assembly and a vibration-isolating spring, which is respectively arranged in the east, west, south and north directions of the basin ring wall of the upper support assembly and the lower support assembly, and abuts against the basin ring wall. The present invention adopts the arrangement of vibration-isolating springs in the east, west, south and north directions of the basin ring wall of the upper support assembly and the lower support assembly to simplify the structure, and by reducing the number and complexity of components, when a vehicle passes or the support is subjected to other external forces, the vibration-isolating spring can effectively absorb and reduce the vibration and stress generated thereby, thereby protecting the support and the structure supported by it from damage. Moreover, the elasticity and restoring force of the vibration-isolating spring can also enable the upper support assembly and the lower support assembly to quickly and stably return to their original positions after being subjected to external forces, thereby maintaining the overall stability and reliability of the support. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a self-resetting vibration-isolating spherical bearing provided by the present invention;

[0019] Figure 2 It is a structural schematic diagram of a self-resetting shock-isolating spherical bearing provided by the present invention in a disassembled state.

[0020] In the figure:

[0021] 1. Upper support base plate; 2. Upper support stainless steel slide plate; 3. Upper support PTFE slide plate; 4. Upper support pressure piece; 41. Upper curved ball socket; 5. Upper support ball core; 51. Upper receiving groove; 6. Upper mounting column; 61. Upper mounting groove;

[0022] 7. Lower support base plate; 8. Lower support stainless steel slide plate; 9. Lower support PTFE slide plate; 10. Lower support pressure-bearing member; 101. Lower curved ball socket; 11. Lower support ball core; 111. Groove; 112. Lower receiving groove;

[0023] 12. Lower mounting column; 121. Lower mounting slot;

[0024] 13. Vibration-damping spring; 14. Mounting block. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0026] like Figure 1-Figure 2 As shown, the present invention provides a self-resetting shock-absorbing and isolating ball bearing, including an upper bearing assembly, a lower bearing assembly and a shock-absorbing and isolating spring 13. The shock-absorbing and isolating spring 13 is respectively arranged in the east, west, south and north directions of the basin ring wall of the upper bearing assembly and the lower bearing assembly, and abuts against the basin ring wall.

[0027] The present invention arranges vibration-damping springs 13 in the four directions of east, west, south and north of the basin ring wall of the upper support assembly and the lower support assembly to simplify the structure. By reducing the number and complexity of components, when a vehicle passes or the support is subjected to other external forces, the vibration-damping springs 13 can effectively absorb and reduce the vibration and stress generated thereby, thereby protecting the support and the structure supported by it from damage. Moreover, the elasticity and restoring force of the vibration-damping springs 13 can also enable the upper support assembly and the lower support assembly to quickly and stably return to their original positions after being subjected to external forces, thereby maintaining the overall stability and reliability of the support.

[0028] As an optional implementation, Figure 1-Figure 2 As shown, the upper support assembly includes an upper support base plate 1, an upper support stainless steel slide plate 2, an upper support polytetrafluoroethylene plate slide plate 3, an upper support pressure-bearing member 4 and an upper support ball core 5 which are sequentially connected from top to bottom; the upper support polytetrafluoroethylene plate slide plate 3 is embedded in the top surface of the upper support pressure-bearing member 4, and is slidably connected to the upper support stainless steel slide plate 2 along at least one preset direction.

[0029] Furthermore, the upper support base plate 1 is connected to the upper structure it supports.

[0030] The upper support polytetrafluoroethylene plate slide plate 3 is slidably connected to the upper support stainless steel slide plate 2 along at least one preset direction. Such an arrangement enables the upper structure to transmit displacement and absorb energy along a predetermined direction when subjected to horizontal force. During this process, relative sliding occurs between the upper support polytetrafluoroethylene plate slide plate 3 and the upper support stainless steel slide plate 2, dispersing and absorbing energy through sliding friction, thereby protecting the upper structure from damage.

[0031] As an optional implementation, Figure 1-Figure 2 As shown, the top surface of the upper support ball core 5 is a spherical surface, and the bottom surface of the upper support pressure piece 4 is an upper curved ball socket 41 matched with the top surface of the upper support ball core 5 .

[0032] The rotational cooperation between the spherical surface of the upper support ball core 5 and the upper curved ball socket 41 of the upper support pressure piece 4 can absorb and disperse the energy transmitted from the upper structure, thereby protecting the upper structure from damage.

[0033] As an optional implementation, Figure 1-Figure 2 As shown, the lower support assembly includes a lower support base plate 7, a lower support stainless steel slide plate 8, a lower support polytetrafluoroethylene plate slide plate 9, a lower support pressure-bearing member 10 and a lower support ball core 11 which are connected in sequence from bottom to top; the lower support polytetrafluoroethylene plate slide plate 9 is embedded in the bottom surface of the lower support pressure-bearing member 10, and is slidably connected to the lower support stainless steel slide plate 8 along at least one preset direction.

[0034] Furthermore, the lower support base plate 7 is connected to the lower structure it supports.

[0035] The lower support polytetrafluoroethylene plate slide plate 9 is slidably connected to the lower support stainless steel slide plate 8 along at least one preset direction. Such an arrangement enables the lower structure to transmit displacement and absorb energy along a predetermined direction when subjected to horizontal force. During this process, relative sliding occurs between the lower support polytetrafluoroethylene plate slide plate 9 and the lower support stainless steel slide plate 8, dispersing and absorbing energy through sliding friction, thereby protecting the lower structure from damage.

[0036] As an optional implementation, Figure 1-Figure 2 As shown, the bottom surface of the lower support ball core 11 is a spherical surface, and the top surface of the lower support pressure piece 10 is a lower curved ball socket 101 that matches the bottom surface of the lower support ball core 11 .

[0037] The rotational cooperation between the spherical surface of the lower support ball core 11 and the lower curved ball socket 101 of the lower support pressure piece 10 can absorb and disperse the energy transmitted from the lower structure, thereby protecting the lower structure from damage.

[0038] As an optional implementation, Figure 1-Figure 2 As shown, a groove 111 is provided on the non-spherical surface of the lower support ball core 11 for the upper support ball core 5 to reciprocate, a lower receiving groove 112 is provided on the groove 111, and an upper receiving groove 51 is provided on the non-spherical surface of the upper support ball core 5. The upper receiving groove 51 and the lower receiving groove 112 together form an installation space for installing the installation block 14.

[0039] Furthermore, the mounting block 14 is inserted into the lower receiving groove 112 and the upper receiving groove 51 to stabilize the relative position between the upper support ball core 5 and the lower support ball core 11 .

[0040] When encountering an earthquake within a certain range, the seismic force will act on the support, causing the upper support ball core 5 to move in the groove 111, causing a certain degree of misalignment between the upper support ball core 5 and the lower support ball core 11, absorbing and dispersing the seismic energy. When the earthquake intensity exceeds the preset tolerance range, the misalignment will cause the safety block to be damaged, so as to remind relevant personnel to perform maintenance in time.

[0041] As an optional implementation, Figure 1-Figure 2 As shown, mounting columns are provided on the upper support substrate 1 and the lower support substrate 7, and mounting grooves are opened on the mounting columns for installing vibration-damping springs 13; the mounting grooves are arranged to penetrate the mounting columns in the horizontal direction, and the vibration-damping springs 13 abut against the basin ring wall of the upper support pressure member 4 or the lower support pressure member 10.

[0042] Furthermore, an upper mounting column 6 is disposed on the upper support base plate 1 , and an upper mounting groove 61 is formed on the upper mounting column 6 for mounting the vibration reduction and isolation spring 13 .

[0043] The upper mounting columns 6 are arranged on the basin ring wall of the upper support pressure member 4 in the four directions of east, west, south and north respectively, so that the vibration isolation spring 13 can be placed horizontally in the upper mounting groove 61 and form an effective abutment with the basin ring wall of the upper support pressure member 4.

[0044] A lower mounting column 12 is disposed on the lower support base plate 7 . A lower mounting groove 121 is formed on the lower mounting column 12 for mounting a vibration reduction and isolation spring 13 .

[0045] The lower mounting columns 12 are arranged on the basin ring wall of the lower support pressure member 10 in the four directions of east, west, south and north respectively, so that the vibration isolation spring 13 can be placed horizontally in the lower mounting groove 121 and form an effective abutment with the basin ring wall of the lower support pressure member 10.

[0046] As an optional implementation, a threaded section is provided at one end of the mounting groove away from the upper support pressure piece 4 or the lower support pressure piece 10 for adjusting the compression degree of the vibration-damping spring 13 by means of a bolt.

[0047] Furthermore, a threaded section is provided at one end of the upper mounting groove 61 away from the upper support pressure bearing member 4 .

[0048] One end of the lower mounting groove 121 away from the lower support pressure bearing member 10 is provided with a threaded section.

[0049] The bolt is threadedly connected to the threaded section of the upper mounting groove 61 or the lower mounting groove 121. After the bolt is screwed into the threaded section, the compression degree of the vibration-isolating spring 13 can be adjusted by rotating the bolt according to the use requirements. The operation is convenient and the flexibility and adaptability are good. Specifically, when it is necessary to increase the compression degree of the vibration-isolating spring 13, the vibration-isolating spring 13 can be pushed to move toward the upper support pressure member 4 or the lower support pressure member 10 by rotating the bolt, thereby increasing the compression amount of the vibration-isolating spring 13. On the contrary, when it is necessary to reduce the compression degree of the vibration-isolating spring 13, the bolt can be rotated in the opposite direction to reduce the compression amount of the vibration-isolating spring 13, so that the vibration-isolating spring 13 is relaxed.

[0050] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0051] In the description of the present invention, it should be noted that, unless otherwise specified, the meaning of "plurality" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0052] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "an example" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0054] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A self-resetting vibration-isolating spherical bearing, characterized in that: It comprises an upper support assembly, a lower support assembly and a vibration reduction and isolation spring. The vibration reduction and isolation spring is respectively arranged on the basin ring wall of the upper support assembly and the lower support assembly in the east, west, south and north directions and abuts against the basin ring wall.

2. The self-resetting vibration-isolating spherical bearing according to claim 1 is characterized in that: The upper support assembly includes an upper support base plate, an upper support stainless steel slide plate, an upper support polytetrafluoroethylene plate slide plate, an upper support pressure-bearing member and an upper support ball core which are connected in sequence from top to bottom; the upper support polytetrafluoroethylene plate slide plate is embedded on the top surface of the upper support pressure-bearing member and is slidably connected to the upper support stainless steel slide plate along at least one preset direction.

3. The self-resetting vibration-isolating spherical bearing according to claim 2 is characterized in that: The top surface of the upper support ball core is a spherical surface, and the bottom surface of the upper support pressure-bearing member is an upper curved ball socket matched with the top surface of the upper support ball core.

4. The self-resetting vibration-isolating spherical bearing according to claim 3 is characterized in that: The lower support assembly includes a lower support base plate, a lower support stainless steel slide plate, a lower support polytetrafluoroethylene plate slide plate, a lower support pressure-bearing member and a lower support ball core which are connected in sequence from bottom to top; the lower support polytetrafluoroethylene plate slide plate is embedded on the bottom surface of the lower support pressure-bearing member and is slidably connected to the lower support stainless steel slide plate along at least one preset direction.

5. The self-resetting vibration-isolating spherical bearing according to claim 4 is characterized in that: The bottom surface of the lower support ball core is a spherical surface, and the top surface of the lower support pressure piece is a lower curved ball socket matched with the bottom surface of the lower support ball core.

6. The self-resetting vibration-isolating spherical bearing according to claim 5, characterized in that: The non-spherical surface of the lower support ball core is provided with a groove for the reciprocating movement of the upper support ball core, the groove is provided with a lower accommodating groove, and the non-spherical surface of the upper support ball core is provided with an upper accommodating groove, the upper accommodating groove and the lower accommodating groove together form an installation space for installing the installation block.

7. The self-resetting vibration-isolating spherical bearing according to claim 4, characterized in that: The upper support base plate and the lower support base plate are both provided with mounting columns, and the mounting columns are provided with mounting grooves for installing the vibration-damping springs; the mounting grooves are arranged to penetrate the mounting columns in the horizontal direction, and the vibration-damping springs abut against the basin ring wall of the upper support pressure member or the lower support pressure member.

8. The self-resetting vibration-isolating spherical bearing according to claim 7 is characterized in that: A threaded section is provided at one end of the mounting groove away from the upper support pressure piece or the lower support pressure piece, which is used to adjust the compression degree of the vibration reduction and isolation spring through a bolt.

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