CN222275838U - Large-span steel structure support - Google Patents

Abstract

The utility model relates to a large-span steel structure support, which comprises a support base, a swinging top plate, a supporting table, a first buffer device, a second buffer device and a plurality of inclined support devices, wherein the supporting table is arranged in the support base, the swinging top plate is slidably arranged in the supporting table, the supporting base coats the swinging top plate, the first buffer device is arranged on the supporting table between the swinging top plate and the support base, the supporting table is movably connected with the support base through the plurality of inclined support devices, and the second buffer device is arranged between the inclined support device and the support base. According to the utility model, vibration and impact of the steel structure are effectively reduced through the buffer device and the swinging mechanism of the swinging top plate, a certain flexibility is added to the device by the swinging top plate, and the device can be adjusted adaptively according to the up-and-down vibration of the steel structure, so that the amplitude and frequency of the vibration of the steel structure are reduced, the stress is dispersed, the swinging top plate can slide through the supporting table, and the problem that the shock resistance of the existing steel structure support in the horizontal direction is weaker is effectively solved.

Description

Large-span steel structure support

Technical Field

The utility model relates to the technical field of steel structures, in particular to a large-span steel structure support.

Background

The steel structure is a structure composed of steel materials, is one of main building structure types, and mainly comprises steel beams, steel columns, steel trusses and other members made of steel sections, steel plates and the like.

The utility model discloses a large-span steel construction support in chinese patent CN219411266U, which comprises a support body, the inner chamber swing joint of support body has the concatenation piece, the equal fixedly connected with limiting plate in bottom of concatenation piece front side and rear side, the equal fixedly connected with locating plate of front side and rear side of support body inner chamber, the equal fixedly connected with slide bar of front side and rear side of support body inner chamber both sides, the equal fixedly connected with buffer gear in both sides of support body inner chamber, buffer gear includes first fixed plate, and the both sides at two locating plate tops all are fixedly connected with attenuator, and the surface of two attenuator is all overlapped and is equipped with buffer spring, buffer spring's bottom and locating plate fixed connection, buffer spring and attenuator's top all with limiting plate fixed connection.

Although the patent effectively disperses the vertical pressure generated by the large-span steel structure, the horizontal left-right offset caused by dispersing the vertical pressure is not solved, and the support is easy to generate stress concentration to damage so as to cause potential safety hazard.

Disclosure of utility model

The utility model provides a large-span steel structure support for solving the horizontal left-right offset caused by the dispersion of vertical pressure of the existing steel structure support.

The technical scheme is that the large-span steel structure support comprises a support base, a swinging top plate, a supporting table, a first buffer device, a second buffer device and a plurality of inclined support devices, wherein the supporting table is arranged in the support base, the swinging top plate is slidably arranged in the supporting table, the supporting base coats the swinging top plate, the first buffer device is arranged on the supporting table between the swinging top plate and the support base, the supporting table is movably connected with the support base through the inclined support devices, and the second buffer device is arranged between the inclined support device and the support base.

Through above technical scheme, effectively reduce the vibrations and the impact of steel construction through buffer and the swing mechanism of swing roof, protection steel construction steady rest, the swing roof increases certain flexibility for the device, can follow the up-and-down vibration of steel construction and make the adjustment that suits to reduce the amplitude and the frequency of steel construction vibration and the dispersion stress, ensure the stability of steel construction, make swing roof can the sliding motion through the saddle, effectively solved the weak problem of shock resistance in current steel construction support horizontal direction.

Preferably, the swinging top plate comprises a top plate, a circular base and a swinging table, wherein the circular base is arranged on the lower surface of the top plate and is in sliding connection with the swinging table, an arc-shaped groove matched with the circular base is formed in the swinging table, and a buffer spring is arranged between the top plate and the swinging table.

Preferably, the circular base is connected with the swinging table through a shaft, and a plurality of auxiliary rollers are arranged in the arc-shaped groove.

Through above technical scheme, sliding connection between circular base and the swing platform and the design of arc groove can make swing motion more steady, and the installation of auxiliary roller can guide the motion of circular base effectively, reduces the friction in the swing process, increases its life, and buffer spring then can slow down the contact between roof and the swing platform, has further increased the stationarity and the buffering shock attenuation nature of motion.

Preferably, the inclined supporting devices are correspondingly arranged on the lower surface of the supporting table, and the supporting base is provided with a slideway.

Preferably, the inclined support device comprises a rotating shaft, an inclined support sliding column and a pressure spring, wherein the rotating shaft is connected with the pressure spring through the inclined support sliding column, and the inclined support sliding column and the pressure spring are movably arranged in the slideway.

Preferably, limit posts are mounted on two sides of the supporting table, and the two sides of the swinging top plate are abutted against the first buffer devices.

Through above technical scheme, the second buffer device on bearing diagonal device and the lower surface ensures the steadiness and the equilibrium of saddle in the decline buffering dispersion stress in-process, and the excessive motion of swing roof in the horizontal direction is effectively prevented to the first buffer device of both sides butt, disperses for the stress in the horizontal direction, adopts pressure spring resilience bearing diagonal strut post cooperation second buffer device, and the support layer board returns to normal position improvement system's durability and fatigue resistance.

In summary, the utility model has the following beneficial effects:

1. According to the utility model, vibration and impact of the steel structure are effectively reduced through the buffer device and the swinging mechanism of the swinging top plate, the stable support of the steel structure is protected, the swinging top plate has certain flexibility for the device, and can be adjusted adaptively according to the up-and-down vibration of the steel structure, so that the amplitude and frequency of the vibration of the steel structure are reduced, the stress is dispersed, the stability of the steel structure is ensured, the swinging top plate can slide through the supporting table, and the problem that the shock resistance of the existing steel structure support in the horizontal direction is weaker is effectively solved.

2. The sliding connection between circular base and the swing platform and the design of arc groove can make swing motion more steady, and the installation of auxiliary roller can guide the motion of circular base effectively, reduces the friction of swing in-process, increases its life, and buffer spring then can slow down the contact between roof and the swing platform, has further increased the stationarity and the buffering shock attenuation nature of motion.

3. The stability and the balance of saddle in the decline buffering dispersion stress in-process are ensured to second buffer on bearing diagonal device and the lower surface, and the excessive motion of swing roof in the horizontal direction is effectively prevented to the first buffer of both sides butt, disperses for the stress in the horizontal direction, adopts pressure spring resilience bearing diagonal strut to cooperate second buffer, and the support layer board returns to normal position improvement system's durability and fatigue resistance.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a partial cross-sectional view from the main perspective of the present utility model;

FIG. 3 is a right-view partially cut-away schematic illustration of the present utility model;

fig. 4 is a schematic perspective view of a pallet according to the present utility model.

The reference numerals are 1, a supporting base, 2, a swinging top plate, 21, a top plate, 22, a round base, 23, a swinging table, 3, a supporting table, 41, a first buffer device, 42, a second buffer device, 5, a limit column, 6, an inclined support device, 61, a rotating shaft, 62, an inclined support sliding column, 63, a pressure spring, 7 and a buffer spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the present disclosure, as described in further detail below with reference to the accompanying drawings.

1-4, Including supporting base 1, swing roof 2, saddle 3, first buffer 41, second buffer 42 and several diagonal bracing devices 6, install saddle 3 in the supporting base 1, swing roof 2 slidable mounting is in saddle 3, supporting base 1 cladding swing roof 2, be equipped with first buffer 41 on saddle 3 between swing roof 2 and the supporting base 1, saddle 3 passes through several diagonal bracing devices 6 swing joint supporting base 1, install second buffer 42 between diagonal bracing device 6 and the supporting base 1, first buffer 41 and second buffer 42 are attenuator overcoat buffer spring 7, reduce vibration and impact transmission, swing roof 2 can carry out the slip of horizontal direction in saddle 3, improve the degree of freedom of the horizontal range of swing roof 2, the first buffer device 41 arranged on the side face is matched to absorb impact for the concentrated force in the horizontal direction, the swinging top plate 2 can be subjected to forced swinging to further assist in shock absorption, the supporting platform 3 is effectively supported by the inclined support device 6 and the second buffer device 42, when the steel structure swings to buffer disheartened, the inclined support device 6 is propped back, the two sides of the supporting platform 3 are provided with the limit posts 5, the first buffer device 41 on the upper surface of the supporting platform 3 is fixedly arranged with the supporting platform 3 at one end close to the supporting base 1, the two sides of the swinging top plate 2 are abutted with the first buffer device 41, the other end close to the swinging top plate 2 is only abutted with the swinging top plate 2 and moves along with the extrusion of the swinging top plate 21, the service life of the first buffer device 41 can be effectively prolonged, the first buffer device 41 at the other side is prevented from being excessively stretched when the swinging top plate 2 moves horizontally to one side, the buffer spring 7 is damaged, the supporting table 3 is provided with a through hole matched with the limiting column 5, the limiting column 5 effectively prevents the supporting table 3 from dislocation in the swinging process, and the reliability and the stability of the structure are ensured.

The swinging top plate 2 comprises a top plate 21, a circular base 22 and a swinging platform 23, wherein the circular base 22 is arranged on the lower surface of the top plate 21, the circular base 22 is connected with the swinging platform 23 in a sliding manner, an arc groove matched with the circular base 22 is formed in the swinging platform 23, a buffer spring 7 is arranged between the top plate 21 and the swinging platform 23, the circular base 22 is connected with the swinging platform 23 in a shaft manner, a plurality of auxiliary rollers are arranged in the arc groove, the amplitude of vibration of a large-span steel structure body is reduced by swinging of the circular base 22 in the arc groove of the swinging platform 23 and rebound of the buffer spring 7, effective support is brought by weakening vibration, the buffer spring 7 is arranged in mounting holes on inclined planes at two ends of the swinging platform 23, the buffer spring is stably supported on the top plate 21, friction and resistance of the auxiliary rollers during swinging are reduced, and the circular base 22 can rotate smoothly and flexibly, and the top plate 21 can swing smoothly.

The supporting base 1 is provided with a slideway, the second buffer device 42 matched with the lower surface of the supporting base 3 guides the movement of the inclined supporting device 6, the inclined supporting device 6 is ensured to move stably in the swinging process, the inclined supporting device 6 comprises a rotating shaft 61, inclined supporting sliding columns 62 and a pressure spring 63, the rotating shaft 61 is connected with the pressure spring 63 through the inclined supporting sliding columns 62, the inclined supporting sliding columns 62 and the pressure spring 63 are movably arranged in the slideway, the number of the inclined supporting devices 6 is two and are oppositely arranged to form a trapezoid structure, when the swinging top plate 2 drives the supporting base 3 to press down, the two inclined supporting devices 6 shrink inwards to form a triangle-like state, auxiliary supporting force is provided, the stability and shock resistance of the whole structure are improved, and the supporting base 3 is jacked up through the pressure spring 63.

The working principle is that firstly, a steel structure and a swinging top plate 2 are assembled and fixed, when the steel structure vibrates, the swinging top plate 2 is stressed to swing in a proper position, pressure is transmitted through the swinging top plate 2, the top plate 21 is matched with a buffer spring 7 to perform first shock absorption and buffer dispersion, the swinging top plate 2 is further stressed to slide on a supporting table 3, the first buffer devices 41 on two sides are used for dispersing horizontal stress, the supporting table 3 is stressed to descend, a inclined support device 6 drives an inclined support sliding column 62 to inwards extrude a pressure spring 63 in a slideway of a support base 1 through a rotating shaft 61, at the moment, the pressure spring 63 is used for buffering and releasing force, and the second buffer device 42 matched with the lower surface of the supporting table 3 is used for performing final stress dispersion and shock absorption, so that the stress in the vertical direction and the stress in the horizontal direction are effectively dispersed, and the support of the steel structure is completed.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present utility model are still within the protection scope of the technical solution of the present utility model.

Claims (6)

1. A large-span steel structure support, characterized in that it comprises a support base (1), a swing top plate (2), a support platform (3), a plurality of buffer devices (4) and a plurality of inclined support devices (6), wherein the support base (1) is installed with the support platform (3), the swing top plate (2) is slidably installed in the support platform (3), the support base (1) covers the swing top plate (2), a first buffer device (41) is provided on the support platform (3) between the swing top plate (2) and the support base (1), the support platform (3) is movably connected to the support base (1) through a plurality of inclined support devices (6), and a second buffer device (42) is installed between the inclined support device (6) and the support base (1). 2. A large-span steel structure support according to claim 1, characterized in that: the swing top plate (2) comprises a top plate (21), a circular base (22) and a swing table (23), a circular base (22) is installed on the lower surface of the top plate (21), the circular base (22) is slidably connected to the swing table (23), an arc groove matched with the circular base (22) is opened on the swing table (23), and a buffer spring (7) is provided between the top plate (21) and the swing table (23). 3. A large-span steel structure support according to claim 2, characterized in that: the circular base (22) is axially connected to the swing table (23), and a plurality of auxiliary rollers are installed in the arc groove. 4. A large-span steel structure support according to claim 1, characterized in that: a plurality of the inclined support devices (6) are correspondingly installed on the lower surface of the support platform (3), and a slideway is provided on the support base (1). 5. A large-span steel structure support according to claim 4, characterized in that: the oblique support device (6) comprises a rotating shaft (61), an oblique support sliding column (62) and a compression spring (63), the rotating shaft (61) is connected to the compression spring (63) through the oblique support sliding column (62), and the oblique support sliding column (62) and the compression spring (63) are movably installed in the slideway. 6. A large-span steel structure support according to claim 1, characterized in that: limiting columns (5) are installed on both sides of the support platform (3), and first buffer devices (41) are abutted on both sides of the swing top plate (2).