Steel structure grid support with vibration reduction performance

Abstract

The utility model provides a steel structure net rack support with vibration reduction performance, and belongs to the technical field of building construction. According to the scheme, through interaction of the spring shock absorbers, the fixing plates, the pneumatic dampers, the right-angle frames and the limiting plates, when the steel structure net rack support is connected with a net rack structure, vibration generated by the net rack structure can be attenuated through mutual arrangement of the load bearing platform and the shock absorption spring devices in daily use, and the service life of the steel structure net rack support is prolonged. Meanwhile, through the pneumatic damper connected between the right-angle frame and the fixing plate, vibration borne by the ball frame can be secondarily attenuated, the service life of the steel structure net rack support is prolonged, and the stability between net rack structures is enhanced. According to the scheme, the stress characteristic of a net rack support in the current market is effectively solved, and meanwhile the problems that a net rack structure is damaged and the durability is low due to vibration generated when the net rack structure is connected are solved. On the other hand, the net rack support is easy to connect and convenient to install, and does not consume time and labor.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a steel structure grid support with vibration reduction performance. Background Art

[0002] In recent years, large-span space grid structures have developed rapidly, and steel grids have been widely used in important iconic grid structures such as large stadiums, exhibition centers, and airports. With the widespread application of steel grids, traditional grids have limitations when they are subjected to horizontal and vertical forces at the same time. When subjected to external forces, especially wind loads, vibrations are easily generated between the grids and excessive force is applied to the support rods between the grids, thereby reducing the stability of the grid and causing safety hazards. In view of the above problems, the utility model provides a steel structure grid support with vibration reduction performance. Utility Model Content

[0003] The utility model aims to provide a steel structure grid support with vibration reduction performance which is simple to connect and install.

[0004] The utility model is achieved through the following measures:

[0005] A steel structure grid support with vibration reduction performance, characterized in that it comprises a fixing plate, a supporting ball valve body, a limit plate, a right angle frame, a spring damper, a load-bearing platform and a welded ball frame;

[0006] A supporting ball valve body is fixedly connected to the center of the upper part of the fixing plate, and a limit plate is respectively arranged on the left and right sides of the supporting ball valve body, and the limit plates on both sides are in contact with the supporting ball valve body and limit its position, and the lower surface of the limit plate is welded to the fixing plate, and the upper part of the supporting ball valve body is connected to the load-bearing platform, and both sides of the lower surface of the load-bearing platform are connected to the fixing plate through the spring shock absorber, and threaded holes are respectively arranged on both sides of the fixing plate, and the welding ball rack is arranged on the upper part of the load-bearing platform, and a plurality of groups of grid connecting parts are arranged on the upper surface of the welding ball rack, and the grid supporting rods are connected to the grid connecting parts.

[0007] The specific features of the utility model also include:

[0008] The spring damper includes a protective shell and a damping spring inside the protective shell. The damping spring is connected to the load-bearing platform via a thrust rod. A buffer gasket is connected to the opening of the spring damper to prevent the damping spring from being damaged. When the vibration between the grid support rods causes the damping spring to expand and contract, the kinetic energy between the grids is converted into the elastic potential energy of the damping spring, thereby stabilizing the grid structure. Specifically, when the welded ball rack vibrates, the vibration energy generated is transmitted to the thrust rod via the load-bearing platform. The vibration energy causes the thrust rod to generate a thrust to compress the damping spring, thereby generating an elastic restoring force and achieving attenuation of the vibration energy.

[0009] Two symmetrical right-angle frames are arranged at the lower part of the load-carrying platform, and slideways are arranged on the opposite sides of the two limit plates, and sliders are arranged inside the slideways. The right-angle frames are connected to the limit plates through the sliders, and the bottom surface of the right-angle frames is connected to the fixed plate through the pneumatic damper, which can form a secondary vibration reduction effect;

[0010] Specifically, when the grid support rod is subjected to external force, the right-angle frame on one side is pressed down, causing the right-angle frame to be limited by the slideway on the limit plate, and then the pneumatic damper generates a supporting buffering force to attenuate the vibration force, thereby forming a secondary vibration reduction support effect.

[0011] The angles between the groups of grid connectors are 15 to 30 degrees, and the grid connectors can rotate freely, which facilitates the connection of grid support rods.

[0012] The arc of the welding ball rack is larger than the arc of a semicircle, and is a superior arc ball rack. Such a structure can withstand greater forces.

[0013] The fixing plate is a double-layer structure, and the upper and lower structures are connected and fixed by bolts arranged in the threaded holes. The lower structure is directly fixedly connected to the grid plate to avoid damage to the grid due to excessive external force. The upper structure is connected to the steel structure grid support, so that the structure is more stable and reliable;

[0014] Since the grid support rods are subject to external forces, the steel structure grid support is required to withstand greater external forces. When the grid connectors on the welded ball frame are subject to external forces from the grid support rods, they will be transmitted to the supporting ball valve body connected to the center of the upper part of the fixed plate through the load-bearing platform. The supporting ball valve body can buffer a large part of the external force and reduce the effect of the grid support rod force.

[0015] The beneficial effects of the utility model are:

[0016] With the widespread application of steel grids, traditional grids are prone to vibration when subjected to external forces, especially wind loads, and the support rods between the grids are overstressed, thereby reducing the stability of the grid and causing safety hazards. Therefore, the purpose of the utility model is to change the stress characteristics of the existing support, so that it can withstand both vertical and horizontal loads, improve the ability of the support to withstand vibration, meet the stability requirements of the steel grid, and enhance the integrity of the structure.

[0017] The grid support has a simple design and a clear idea, and the materials used are easy to make and install.

[0018] This solution effectively solves the stress characteristics of the grid supports currently on the market, and at the same time solves the problem of grid structure damage and low durability caused by vibration when the grid structure is connected. On the other hand, this grid support is easy to connect and install, and does not consume time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0020] Figure 2 It is a structural schematic diagram of a spring shock absorber in an embodiment of the utility model.

[0021] Figure 3 It is a side structural schematic diagram of the limiting plate in the embodiment of the utility model.

[0022] Among them, the figure markings are: 1. fixing plate; 2. supporting ball valve body; 20. slideway; 21. slider; 3. limit plate; 4. spring shock absorber; 40. shock-absorbing spring; 41. buffer gasket; 42. thrust rod; 43. protective shell; 5. right angle frame; 6. welded ball frame; 7. grid connector; 8. load-bearing platform; 9. pneumatic damper; 10. bolt. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0026] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0027] See also Figure 1-3 , a steel structure grid support with vibration reduction performance, comprising a fixing plate 1, a supporting ball valve body 2, a limit plate 3, a right angle frame 5, a spring shock absorber 4, a load-bearing platform 8 and a welded ball frame 6;

[0028] A supporting ball valve body 2 is fixedly connected to the upper center of the fixed plate 1, and a limit plate 3 is arranged on each side of the left and right sides of the supporting ball valve body 2. The limit plates 3 on both sides are in contact with the supporting ball valve body 2 and limit its position. The lower surface of the limit plate 3 is welded to the fixed plate 1, and a load-bearing platform 8 is connected to the upper part of the supporting ball valve body 2. Both sides of the lower surface of the load-bearing platform 8 are connected to the fixed plate 1 through spring shock absorbers 4. Threaded holes are respectively arranged on both sides of the fixed plate 1. A welded ball rack 6 is arranged on the upper part of the load-bearing platform 8. Several groups of grid connectors 7 are arranged on the upper surface of the welded ball rack 6, and grid support rods are connected to the grid connector 7.

[0029] The spring damper 4 includes a protective shell 43 and a damping spring 40 inside the protective shell. The damping spring 40 is connected to the load-bearing platform 8 through a thrust rod 42. A buffer gasket 41 is connected to the opening of the spring damper 4 to prevent the damping spring from being damaged. When the vibration between the grid support rods causes the damping spring 40 to expand and contract, the kinetic energy between the grids is converted into the elastic potential energy of the damping spring 40, thereby stabilizing the grid structure. Specifically, when the welded ball rack 6 vibrates, the vibration energy generated is transmitted to the thrust rod 42 through the load-bearing platform 8. The vibration energy causes the thrust rod 42 to generate a thrust to compress the damping spring 40, thereby generating an elastic restoring force and achieving attenuation of the vibration energy.

[0030] Two symmetrical right-angle frames 5 are arranged at the lower part of the load-carrying platform 8. Slideways 20 are arranged on the opposite sides of the two limit plates 3. Slide blocks 21 are arranged inside the slideways 20. The right-angle frames 5 are connected to the limit plates 3 through the slide blocks 21. The bottom surface of the right-angle frames 5 is connected to the fixed plate 1 through the pneumatic damper 9, which can form a secondary vibration reduction effect.

[0031] Specifically, when the grid support rod is subjected to external force, the right-angle frame 5 on one side is pressed down, causing the right-angle frame 5 to be limited by the slideway 20 on the limiting plate 3, and then the pneumatic damper 9 generates a supporting buffering force to attenuate the vibration force, thereby forming a secondary vibration reduction support effect.

[0032] The angles between the groups of grid connection pieces 7 are 15 to 30 degrees, and the grid connection pieces 7 can rotate freely, so as to facilitate the connection of the grid support rods.

[0033] The arc of the welding ball rack 6 is larger than the arc of the semicircle, and is a superior arc ball rack. Such a structure can withstand greater forces.

[0034] The fixing plate 1 is a double-layer structure, and the upper and lower structures are connected and fixed by bolts 10 set in threaded holes. The lower structure is directly fixedly connected to the grid plate to avoid damage to the grid due to excessive external force. The upper structure is connected to the steel structure grid support, so that the structure is more stable and reliable;

[0035] Since the grid support rods are subject to external forces, the steel structure grid support is required to withstand greater external forces. When the grid connectors 7 on the welded ball frame 6 are subject to external forces from the grid support rods, the forces will be transmitted to the support ball valve body 2 connected to the center of the upper part of the fixed plate 1 through the load-bearing platform 8. The support ball valve body 2 can buffer a large part of the external forces and reduce the effect of the grid support rod force.

[0036] Technical features not described in the present invention can be achieved through or by adopting existing technologies, and will not be elaborated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A steel structure grid support with vibration reduction performance, characterized in that: It comprises a fixing plate (1), a supporting ball valve body (2), a limiting plate (3), a right angle frame (5), a spring damper (4), a load-bearing platform (8) and a welded ball frame (6); The center of the upper part of the fixed plate (1) is fixedly connected to a supporting ball valve body (2), and a limit plate (3) is provided on each of the left and right sides of the supporting ball valve body (2). The lower surface of the limit plate (3) is welded to the fixed plate (1). The upper part of the supporting ball valve body (2) is connected to the load-bearing platform (8), and both sides of the lower surface of the load-bearing platform (8) are connected to the fixed plate (1) through the spring shock absorber (4). Threaded holes are provided on both sides of the fixed plate (1). The upper part of the load-bearing platform (8) is provided with the welded ball rack (6), and the upper surface of the welded ball rack (6) is provided with a plurality of grid connection parts (7).

2. The steel structure grid support with vibration reduction performance according to claim 1, characterized in that: The spring damper (4) comprises a protective shell (43) and a damping spring (40) inside the protective shell; the damping spring (40) is connected to the load-bearing platform (8) via a thrust rod (42); and a buffer gasket (41) is connected to the opening of the spring damper (4).

3. The steel structure grid support with vibration reduction performance according to claim 1, characterized in that: Two symmetrical right-angle frames (5) are arranged at the lower part of the load-bearing platform (8), and slideways (20) are arranged on the opposite sides of the two limit plates (3). A slider (21) is arranged inside the slideway (20), and the right-angle frame (5) is connected to the limit plate (3) through the slider (21), and the bottom surface of the right-angle frame (5) is connected to the fixed plate (1) through a pneumatic damper (9).

4. The steel structure grid support with vibration reduction performance according to claim 1, characterized in that: The angles between the plurality of groups of grid connection members (7) are between 15 and 30 degrees, and the grid connection members (7) can rotate freely.

5. The steel structure grid support with vibration reduction performance according to claim 1, characterized in that: The arc of the welding ball rack (6) is larger than the arc of a semicircle, and is a major arc ball rack.

6. The steel structure grid support with vibration reduction performance according to claim 1, characterized in that: The fixing plate (1) is a double-layer structure, and the upper and lower layers are connected and fixed by bolts (10) arranged in the threaded holes.

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