Anti-seismic support for steel structure

Abstract

The utility model discloses an anti-seismic support for a steel structure, which relates to the technical field of steel structures and comprises a supporting bottom box, a movable block is movably arranged in the supporting bottom box, a plurality of supporting blocks are fixedly mounted at the bottom end of the movable block, and rotating balls are movably mounted at the bottom ends of the supporting blocks. A plurality of elastic connecting pieces are fixedly installed between the inner side wall of the supporting bottom box and the outer side wall of the movable block and between the inner side wall of the supporting bottom box and the outer side wall of the supporting block, and a movable installation plate is movably arranged above the movable block. Through the arrangement of the elastic rubber pad and the elastic connecting piece, when the movable block vibrates horizontally, the elastic connecting piece absorbs acting force, the elastic rubber pad absorbs impact force, through the arrangement of the first damping assembly and the second damping assembly, the limiting plate compresses the vertical function spring, and the sliding sleeve block slides on the sliding rod; the horizontal functional spring is compressed, and the pressure is absorbed under the counter-acting force of the vertical functional spring and the horizontal functional spring.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to an anti-seismic support for steel structures. Background Art

[0002] Seismic bearings limit the displacement of attached electromechanical engineering facilities, control the vibration of facilities, and transfer loads to various components or devices on the load-bearing structure. The electromechanical engineering facilities such as water supply and drainage, fire protection, heating, ventilation, air conditioning, gas, heat, electricity, and communications of buildings that have been seismically reinforced can reduce earthquake damage, reduce and prevent the occurrence of secondary disasters as much as possible when an earthquake of the seismic fortification intensity of the region occurs, thereby achieving the purpose of reducing casualties and property losses.

[0003] Application number: CN202020324381.X discloses an anti-seismic support for steel structure, including a base, the upper surface of which is fixedly connected with two symmetrical support rods, and each support rod is provided with a shock-absorbing rubber block in the middle, and each support rod is fixedly connected with a circular pressure plate on the upper surface, and the middle of the upper surface of the support rod is fixedly connected with a first spring seat, and the middle of the base is fixedly connected with a first spring column, and the outer surface of the spring column is sleeved with a first shock-absorbing spring, and a main body box is arranged above the base, and the outer surface of the main body box is provided with four sliding grooves arranged at equal distances. The anti-seismic support for steel structure can enhance the shock-absorbing capacity of the first section by arranging the second spring column, and can effectively avoid the spring from falling off due to excessive pressure by arranging the first spring seat and the second spring seat, and the operation capacity of the overall shock-absorbing support is greatly improved by the four spring tubes arranged in the main body box and the spring telescopic holes on the upper surface of the cover plate.

[0004] However, when the above device is used, the vertical vibration is processed by the force of the shock absorbing spring and the anti-vibration spring, but the horizontal vibration cannot be processed. Therefore, it is necessary to propose an anti-vibration support for steel structure. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an anti-seismic support for a steel structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An earthquake-resistant bearing for a steel structure, comprising a supporting bottom box, in which a movable block is movably arranged. A plurality of supporting blocks are fixedly installed at the bottom end of the movable block, and rotating balls are movably installed at the bottom ends of the supporting blocks. A plurality of elastic connecting pieces are fixedly installed between the inner side wall of the supporting bottom box and the outer side wall of the movable block, and between the inner side wall of the supporting bottom box and the outer side wall of the supporting block. An activity mounting plate is movably arranged above the movable block, and a first shock-absorbing component is arranged between the top end of the movable block and the bottom end of the activity mounting plate, and a second shock-absorbing component is arranged between the top end of the movable block and the bottom end of the activity mounting plate.

[0008] Preferably, an activity opening is formed at the top end of the supporting bottom box, and an elastic rubber pad is fixedly installed between the inner side wall of the activity opening and the outer side wall of the movable block;

[0009] For slowing down horizontal vibrations, when the movable block has a horizontal vibration, the elastic connecting pieces absorb the acting force, and the elastic rubber pad absorbs the impact force.

[0010] Preferably, the first shock-absorbing component includes a plurality of activity cavities formed at the top end of the movable block. A plurality of limiting plates are movably arranged in the activity cavities, and sliding columns are slidably arranged in the activity cavities. The bottom end of the sliding column is fixedly installed at the top end of the limiting plate, and the top end of the sliding column slidably penetrates above the movable block;

[0011] The top end of the sliding column is fixedly installed at the bottom end of the activity mounting plate, and a vertical functional spring is arranged in the activity cavity. The vertical functional spring is elastically connected between the bottom end in the activity cavity and the bottom end of the limiting plate;

[0012] For absorbing vertical vibrations, the activity mounting plate compresses the vertical functional spring through the sliding column and the limiting plate, and absorbs the vertical vibrations under the reaction force of the vertical functional spring.

[0013] Preferably, the second shock-absorbing component includes a first mounting block fixedly installed at the center of the top end of the movable block. A plurality of second mounting blocks are fixedly installed at equal intervals and uniformly at the top end of the movable block. Sliding rods are fixedly installed between the outer side wall of the first mounting block and the inner side wall of the second mounting block. Sliding sleeve blocks are slidably sleeved on the sliding rods. Horizontal functional springs are sleeved on the sliding rods. The horizontal functional springs are elastically connected between the inner side wall of the second mounting block and the outer side wall of the sliding sleeve block;

[0014] The top end of the sliding sleeve block is rotatably installed with a hinge rod, the other end of the hinge rod is rotatably installed at the bottom end of the activity mounting plate. A plurality of T-shaped chutes are formed at the top end of the movable block. T-shaped sliders are fixedly installed at the bottom ends of the sliding sleeve blocks. The T-shaped chutes and the T-shaped sliders correspond one by one, and the T-shaped sliders are slidably arranged in the T-shaped chutes.

[0015] It is used to absorb vertical vibrations. The movable mounting plate pushes the sliding sleeve block through the sliding rod, causing the sliding sleeve block to slide on the sliding rod. The T-shaped slider slides in the T-shaped chute, compressing the horizontal functional spring, so that the pressure on the movable mounting plate is absorbed under the reaction force of the horizontal functional spring.

[0016] The utility model has the following beneficial effects:

[0017] 1. By setting the elastic rubber pad and the elastic connecting piece, when the movable block has a horizontal vibration, the elastic connecting piece absorbs the acting force, and the elastic rubber pad absorbs the impact force.

[0018] 2. By setting the first shock-absorbing component and the second shock-absorbing component, the movable mounting plate compresses the vertical functional spring through the sliding column and the limiting plate, and absorbs the vertical vibration under the reaction force of the vertical functional spring. The movable mounting plate pushes the sliding sleeve block through the sliding rod, causing the sliding sleeve block to slide on the sliding rod. The T-shaped slider slides in the T-shaped chute, compressing the horizontal functional spring, so that the pressure on the movable mounting plate is absorbed under the reaction force of the horizontal functional spring and the vertical vibration is absorbed. Description of the Drawings

[0019] Figure 1 It is a schematic external structure diagram of an earthquake-resistant bearing for steel structures proposed by the utility model;

[0020] Figure 2 It is a schematic internal structure diagram of the support bottom box of the utility model;

[0021] Figure 3 It is a schematic structure diagram of the first shock-absorbing component of the utility model;

[0022] Figure 4 It is a schematic structure diagram of the second shock-absorbing component of the utility model.

[0023] In the figure: 1. Support bottom box; 11. Movable opening; 12. Elastic rubber pad; 2. Movable block; 3. Support block; 4. Rotating ball; 5. Elastic connecting piece; 6. Movable mounting plate; 7. First shock-absorbing component; 71. Movable cavity; 72. Limiting plate; 73. Sliding column; 74. Vertical functional spring; 8. Second shock-absorbing component; 81. First mounting block; 82. Second mounting block; 83. Sliding rod; 84. Sliding sleeve block; 85. Horizontal functional spring; 86. Hinge rod; 87. T-shaped chute; 88. T-shaped slider. Detailed Implementation Manner

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is 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 construed as a limitation to the present utility model.

[0026] Referring to Figures 1-4 , an earthquake-resistant bearing for steel structures, comprising a support bottom box 1, in which a movable block 2 is movably arranged. A plurality of support blocks 3 are fixedly installed at the bottom end of the movable block 2, and a rotating ball 4 is movably installed at the bottom end of each support block 3. A plurality of elastic connecting pieces 5 are fixedly installed between the inner side wall of the support bottom box 1 and the outer side wall of the movable block 2, and between the inner side wall of the support bottom box 1 and the outer side wall of the support block 3. An activity mounting plate 6 is movably arranged above the movable block 2. A first shock-absorbing assembly 7 is arranged between the top end of the movable block 2 and the bottom end of the activity mounting plate 6, and a second shock-absorbing assembly 8 is arranged between the top end of the movable block 2 and the bottom end of the activity mounting plate 6.

[0027] An activity opening 11 is formed at the top end of the support bottom box 1, and an elastic rubber pad 12 is fixedly installed between the inner side wall of the activity opening 11 and the outer side wall of the movable block 2.

[0028] The first shock-absorbing assembly 7 includes a plurality of activity cavities 71 formed at the top end of the movable block 2. A plurality of limiting plates 72 are movably arranged in the activity cavities 71, and a sliding column 73 is slidably arranged in the activity cavities 71. The bottom end of the sliding column 73 is fixedly installed at the top end of the limiting plate 72, and the top end of the sliding column 73 slidably penetrates above the movable block 2.

[0029] The top end of the sliding column 73 is fixedly installed at the bottom end of the activity mounting plate 6, and a vertical functional spring 74 is arranged in the activity cavity 71. The vertical functional spring 74 is elastically connected between the bottom end of the activity cavity 71 and the bottom end of the limiting plate 72.

[0030] The second shock-absorbing assembly 8 includes a first mounting block 81 fixedly installed at the center of the top end of the movable block 2. A plurality of second mounting blocks 82 are fixedly installed at equal intervals and uniformly at the top end of the movable block 2. A sliding rod 83 is fixedly installed between the outer side wall of the first mounting block 81 and the inner side wall of the second mounting block 82. A sliding sleeve block 84 is slidably sleeved on each sliding rod 83, and a horizontal functional spring 85 is sleeved on each sliding rod 83. The horizontal functional spring 85 is elastically connected between the inner side wall of the second mounting block 82 and the outer side wall of the sliding sleeve block 84.

[0031] The top end of the sliding sleeve block 84 is rotatably installed with a hinge rod 86, and the other end of the hinge rod 86 is rotatably installed at the bottom end of the movable mounting plate 6. A plurality of T-shaped sliding grooves 87 are formed at the top end of the movable block 2, and T-shaped sliding blocks 88 are fixedly installed at the bottom ends of the sliding sleeve blocks 84. The T-shaped sliding grooves 87 correspond to the T-shaped sliding blocks 88 one by one, and the T-shaped sliding blocks 88 are slidably arranged in the T-shaped sliding grooves 87.

[0032] In the present utility model, the movable mounting plate 6 compresses the vertical functional spring 74 through the sliding column 73 and the limiting plate 72, and absorbs the vertical vibration under the reaction force of the vertical functional spring 74. The movable mounting plate 6 pushes the sliding sleeve block 84 through the sliding rod 83, so that the sliding sleeve block 84 slides on the sliding rod 83, and the T-shaped sliding block 88 slides in the T-shaped sliding groove 87, compressing the horizontal functional spring 85, so that the pressure on the movable mounting plate 6 is absorbed under the reaction force of the horizontal functional spring 85 to absorb the vertical vibration. When the movable block 2 undergoes horizontal vibration, the elastic connecting piece 5 absorbs the acting force, and the elastic rubber pad 12 absorbs the impact force.

[0033] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. An anti-seismic support for a steel structure, comprising a support bottom box (1), characterized in that: A movable block (2) is movably arranged in the support bottom box (1), a plurality of support blocks (3) are fixedly mounted at the bottom end of the movable block (2), a rotating ball (4) is movably mounted at the bottom end of each of the support blocks (3), a plurality of elastic connecting pieces (5) are fixedly mounted between the inner side wall of the support bottom box (1) and the outer side wall of the movable block (2), and between the inner side wall of the support bottom box (1) and the outer side wall of the support block (3), a movable mounting plate (6) is movably arranged above the movable block (2), a first shock absorbing assembly (7) is arranged between the top end of the movable block (2) and the bottom end of the movable mounting plate (6), and a second shock absorbing assembly (8) is arranged between the top end of the movable block (2) and the bottom end of the movable mounting plate (6).

2. The seismic bearing for steel structure according to claim 1, characterized in that: The top of the supporting bottom box (1) is provided with a movable opening (11), and an elastic rubber pad (12) is fixedly installed between the inner side wall of the movable opening (11) and the outer side wall of the movable block (2).

3. The seismic bearing for steel structure according to claim 1, characterized in that: The first shock absorbing assembly (7) comprises a plurality of movable cavities (71) opened at the top of the movable block (2), a plurality of limit plates (72) being movably arranged in the movable cavities (71), a sliding column (73) being slidably arranged in the movable cavities (71), the bottom end of the sliding column (73) being fixedly mounted on the top of the limit plate (72), and the top end of the sliding column (73) slidingly passing through to the top of the movable block (2).

4. The seismic bearing for steel structure according to claim 3, characterized in that: The top end of the sliding column (73) is fixedly mounted on the bottom end of the movable mounting plate (6), and a vertical functional spring (74) is arranged in the movable cavity (71). The vertical functional spring (74) is elastically connected between the bottom end of the movable cavity (71) and the bottom end of the limiting plate (72).

5. The seismic bearing for steel structure according to claim 1, characterized in that: The second shock absorbing assembly (8) comprises a first mounting block (81) fixedly mounted at the center of the top end of the movable block (2); a plurality of second mounting blocks (82) are evenly and evenly fixedly mounted at the top end of the movable block (2); a sliding rod (83) is fixedly mounted between the outer side wall of the first mounting block (81) and the inner side wall of the second mounting block (82); a sliding sleeve block (84) is slidably sleeved on the sliding rod (83); a horizontal function spring (85) is sleeved on the sliding rod (83); and the horizontal function spring (85) is elastically connected between the inner side wall of the second mounting block (82) and the outer side wall of the sliding sleeve block (84).

6. The seismic bearing for steel structure according to claim 5, characterized in that: A hinge rod (86) is rotatably mounted on the top of the sliding sleeve (84), and the other end of the hinge rod (86) is rotatably mounted on the bottom of the movable mounting plate (6). A plurality of T-shaped slide grooves (87) are provided on the top of the movable block (2), and a T-shaped slider (88) is fixedly mounted on the bottom of each of the sliding sleeves (84). The T-shaped slide grooves (87) correspond to the T-shaped sliders (88) one by one, and the T-shaped sliders (88) are slidably arranged in the T-shaped slide grooves (87).

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