A horizontal limit device for a vibration isolation structure
By designing a horizontal limit device for vibration isolation structures including horizontal limit ply plates and steel pipes, the problem of limited horizontal deformation capacity and bearing capacity of spiral steel springs under strong earthquakes is solved, and the safety and stability of the structure are achieved.
Patent Information
- Application Number
- CN202420721168.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The horizontal deformation capacity and bearing capacity of the spiral steel spring under strong earthquakes are limited and cannot meet the structural safety needs.
A horizontal limiting device with vibration isolation structure is designed, including a base under the support, a spring support, a preload bolt, a small pier, an embedded part, a horizontal limit ply and a horizontal limit steel pipe. The horizontal limit steel pipe is surrounded by horizontal limit plywood, limiting the horizontal deformation of the vibration isolation layer and protecting the safety of the main structure.
Under the action of strong earthquakes, the device effectively limits horizontal deformation, prevents structure collapse, and ensures the safety and stability of the main structure.
Smart Images
Figure CN222701060U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building vibration isolation, in particular to a horizontal limiting device of a vibration isolation structure. Background Art
[0002] Due to the vertical vibration and noise caused by rail transit, general rubber vibration isolation bearings cannot effectively isolate the building, resulting in the comfort level of some buildings not meeting the requirements and even affecting their functionality.
[0003] In order to solve the problem of vertical vibration and noise in new buildings along rail transit lines, the existing technology uses spiral steel spring supports as vibration isolation units, which has a good effect in isolating vertical vibrations. However, the horizontal deformation capacity and bearing capacity of spiral steel springs are limited, and cannot meet the structural safety requirements under strong earthquakes. Therefore, it is necessary to set a horizontal limit device in the spiral steel spring vibration isolation structure.
[0004] Therefore, we propose a horizontal limit device of the vibration isolation structure to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a horizontal limit device for a vibration isolation structure to solve the problem that the horizontal deformation capacity and bearing capacity of the spiral steel spring are limited and cannot meet the structural safety requirements under strong earthquakes.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a horizontal limit device of a vibration isolation structure, including a support lower pedestal, a plurality of spring supports are provided on the top of the support lower pedestal, the spring supports are provided with pre-tightening bolts, a small pier is installed at the middle position of the top of the support lower pedestal, an embedded part is provided on the top of the small pier, two or more horizontal limit splints are provided on the top of the embedded part near both sides, and a horizontal limit steel pipe is movably installed on the opposite side of the horizontal limit splint.
[0007] Preferably, a plurality of stiffening plates are fixedly mounted on the side away from the horizontal limit clamp, and the stiffening plates are fixedly connected to the embedded parts.
[0008] Preferably, the cross-section of the horizontal limiting steel pipe is circular or square.
[0009] Preferably, the number of the horizontal limiting steel pipes can be in the middle of a pedestal, or can be offset or arranged in multiple groups.
[0010] Preferably, a gap is provided between the horizontal limiting steel pipe and the horizontal limiting clamping plate.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] By setting a horizontal limit steel pipe and surrounding it with a horizontal limit clamp, the structure is simple and the construction is convenient. The horizontal limit clamp is used to limit the horizontal deformation of the vibration isolation layer, protect the safety of the main structure, and provide a function to prevent structural collapse. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a 3D axonometric diagram of the vertical vibration isolation steel spring support and horizontal limit device of the utility model;
[0014] Figure 2 It is a top view of the vertical vibration isolation steel spring support and the horizontal limit device of the utility model;
[0015] Figure 3 It is a front view of the vertical vibration isolation steel spring support and the horizontal limit device of the utility model;
[0016] Figure 4 This is an assembly diagram of the horizontal limit device scheme of the utility model;
[0017] Figure 5 This is a diagram of a horizontal limiting splint for a round tube of the utility model;
[0018] Figure 6 The utility model discloses a square steel tube horizontal limit clamp.
[0019] In the figure: 1. Horizontal limit steel pipe; 2. Horizontal limit splint; 3. Embedded parts; 4. Small pier; 5. Stiffening plate; 6. Support lower pedestal; 7. Spring support; 8. Pre-tightening bolts. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] A horizontal limit device of a vibration isolation structure includes a support lower pedestal 6, a plurality of spring supports 10 are provided on the top of the support lower pedestal 6, the spring supports 10 are provided with pre-tightening bolts 8, a small pier 4 is installed at the middle position of the top of the support lower pedestal 6, an embedded part 3 is provided on the top of the small pier 4, two or more horizontal limit splints 2 are provided on the top of the embedded part 3 near both sides, and a horizontal limit steel pipe 1 is movably installed on the opposite side of the horizontal limit splint 2.
[0022] A plurality of stiffening plates 5 are fixedly installed on the side away from the horizontal limit clamp plate 2 , and the stiffening plates 5 are fixedly connected to the embedded parts 3 . The plurality of stiffening plates 5 are provided to ensure the limiting function of the horizontal limit clamp plate 2 .
[0023] The cross section of the horizontal limit steel pipe 1 is circular (such as Figure 5 shown) or square.
[0024] The number of horizontal limit steel pipes 1 can be in the middle of a cap, or can be offset or arranged in multiple groups.
[0025] A gap or flexible material is provided between the horizontal limit steel pipe 1 and the horizontal limit clamping plate 2, so as to leave space for up and down movement for the vertical vibration control of the structure and limit the horizontal deformation at the same time.
[0026] Working principle: The utility model adopts a horizontal limit steel pipe 1 embedded in the support upper platform 7, and wraps the horizontal limit steel pipe 1 with a horizontal limit splint 2 to limit the horizontal deformation of the vibration isolation layer, so that the spring support 10 can work normally, thereby protecting the spring support 10, and a gap or a polystyrene plastic plate is set between the horizontal limit steel pipe 1 and the horizontal limit splint 2, that is, space is left for the horizontal limit steel pipe 1 to move up and down for vertical vibration control, while limiting horizontal deformation, and after the spring support 10 loses its bearing capacity, the horizontal limit steel pipe 1 can fall directly on the small pier 4 to prevent the structure from collapsing and protect the main structure.
[0027] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A horizontal limit device of a vibration isolation structure, comprising a support lower support platform (6), characterized in that: A plurality of spring supports (7) are arranged on the top of the support lower support platform (6), and the spring supports (7) are provided with pre-tightening bolts (8). A small pier (4) is installed at the middle position of the top of the support lower support platform (6), and an embedded part (3) is arranged on the top of the small pier (4). Two or more horizontal limit clamps (2) are arranged near both sides of the top of the embedded part (3), and a horizontal limit steel pipe (1) is movably installed on the opposite side of the horizontal limit clamp (2).
2. A horizontal limiter device for a vibration isolation structure according to claim 1, characterized in that: A plurality of stiffening plates (5) are fixedly mounted on the side away from the horizontal limit clamping plate (2), and the stiffening plates (5) are fixedly connected to the embedded parts (3).
3. The horizontal limit device of the vibration isolation structure according to claim 1, characterized in that: The cross section of the horizontal limiting steel pipe (1) is circular or square.
4. The horizontal limit device of the vibration isolation structure according to claim 1, characterized in that: The number of the horizontal limit steel pipes (1) can be the middle of a cap, or can be offset or arranged in multiple groups.
5. The horizontal limit device of the vibration isolation structure according to claim 1, characterized in that: A gap or flexible material is provided between the horizontal limiting steel pipe (1) and the horizontal limiting clamping plate (2).