Shock insulation support for power equipment

Abstract

The utility model discloses a shock insulation support for power equipment, and belongs to the field of structural vibration control. The problem that elements are damaged due to the fact that power equipment is pulled under the earthquake or other environmental factors is solved. A shock insulation support for power equipment comprises an upper sealing plate, a lower sealing plate, a sliding hinge, a tension steel sheet, a rubber layer and a steel plate layer. The upper and lower sealing plates, the rubber layer and the steel plate layer form a laminated rubber support; the sliding hinge is connected in the upper and lower sealing plates; and the tension steel sheet is connected between the upper sliding hinge and the lower sliding hinge. When the support is subjected to tension-shear action, the tension steel sheets can provide resistance force in the vertical direction to prevent the support from seriously deforming in the vertical direction, so that the mechanical property of the laminated rubber support is ensured; in addition, the tension steel sheets can orthogonally decompose displacement in the plane of the shock insulation layer into displacement in two horizontal directions and can provide resistance for horizontal deformation, so that the mechanical property of the support is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of structure vibration control, especially relates to a shock insulation support for power equipment. BACKGROUND

[0002] Power equipment such as large transformer / station will be affected by vibration from the ground or other environmental factors during the operation of the power equipment. Especially in the earthquake-prone areas, when the seismic wave propagates to the power equipment, it may cause the equipment to be subjected to severe vibration, thereby causing the equipment to be damaged or even shut down, affecting the safe and stable operation of the power system.

[0003] In order to reduce the influence of vibration on the power equipment, the traditional method is to install a shock insulation support on the equipment foundation. These devices are usually composed of laminated rubber supports or lead rubber supports; but the mechanical properties of the support will be greatly reduced under tension and shear. SUMMARY

[0004] The utility model aims at providing a shock insulation support for power equipment, effectively solving the problem that the mechanical properties of the support will be greatly reduced under tension and shear, and when the support is subjected to tension and shear, the tension steel sheet will provide vertical resistance, in addition, the tension steel sheet will also orthogonally decompose the displacement in the plane of the shock insulation layer into two horizontal displacements and can provide resistance to horizontal deformation, thereby improving the mechanical properties of the support.

[0005] The utility model realizes the purpose by the following technical scheme:

[0006] A shock insulation support for power equipment, comprising two upper and lower sealing plates, a rubber layer and a steel plate layer, the interiors of the two sealing plates and the rubber layer and the steel plate layer form a laminated rubber support; the rubber layer and the steel plate layer are connected to each other by vulcanization; the rubber layer and the steel plate layer are connected alternately.

[0007] The further improvement of the utility model lies in that the four sides of the sealing plate are provided with rectangular grooves, the edges of the rectangular grooves are parallel to the edges of the sealing plate, the rectangular grooves of each adjacent edge are perpendicular to each other, the rectangular groove of the upper sealing plate is projected downward to the lower sealing plate, and the projection of the rectangular groove of the upper sealing plate coincides with the rectangular groove of the lower sealing plate.

[0008] The further improvement of the utility model lies in that the interior of the sealing plate is provided with a rectangular groove, a sliding hinge is arranged in the rectangular groove, and one sliding hinge is arranged along each of the four edges of the sealing plate.

[0009] The further improvement of the utility model lies in that the two ends of the tension steel sheet are connected with the sliding hinges at the two ends respectively, the sliding hinges have steel sheet clamping grooves in the interiors, the two ends of the tension steel sheet are clamped into the corresponding sliding hinges respectively, and the tension steel sheet is perpendicular to the sealing plates at the two ends under the condition that the support is not deformed.

[0010] The further improvement of the utility model lies in that the sliding hinge comprises a sliding rod, a roller and a ball, the sliding rod is sleeved into the roller, the roller is arranged at the middle section of the sliding rod, the ball is poured into the roller and is sealed in the roller.

[0011] The further improvement of the utility model lies in that the tensile steel sheet is made of soft steel material or shape memory alloy material.

[0012] The further improvement of the utility model lies in that the sealing plate is holed along the edge length position and is bolted with the internal structure of the power equipment.

[0013] Compared with the prior art, the utility model patent provides the shock insulation support for power equipment, combines the traditional shock insulation support with the tensile device, and has the following beneficial effects:

[0014] 1. Vibration damping and energy consumption: the utility model patent combines the deformation of the support with the two-direction sliding of the sliding hinge, the tensile steel sheet can provide additional plastic energy consumption, thereby improving the mechanical properties of the support.

[0015] 2. Multi-directional vibration control: the sliding support is arranged around the upper and lower sealing plates, thereby effectively controlling the multi-directional vibration of the power equipment and limiting the vertical deformation of the support. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 It is Figure 3 It is a sectional view of A-A;

[0020] Figures 5-6 It is a deformation schematic view of the utility model;

[0021] Figure 7 It is a structural schematic view of the sliding hinge of the utility model;

[0022] Figure 8 It is a connection mode view of the sliding rod, the roller and the ball in the sliding hinge of the utility model;

[0023] The figure mark: 1 - sealing plate, 2 - sliding hinge, 3 - tensile steel sheet, 4 - rubber layer, 5 - steel plate layer, 6 - sliding rod, 7 - roller, 8 - ball. DETAILED DESCRIPTION

[0024] The following detailed description of the embodiments of the present application is shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The following detailed description of the embodiments of the present application is exemplary only, for the purpose of explaining the present application, and is not to be understood as a limitation of the present application.

[0025] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the purpose of convenient description of the simplified description of the present application, and is not to indicate or imply that the device or element indicated must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation of the present application.

[0026] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are not included in the number, above, below, within are included in the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be understood in a broad sense, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme. Embodiment one:

[0028] Referring to Figures 1-4 , Figures 7-8 A kind of shock isolation bearing for electric power equipment, including two upper and lower setting sealing plate 1, sliding hinge 2, tensile steel sheet 3, rubber layer 4 and steel plate layer 5, upper and lower sealing plate 1 inside and rubber layer 4 and steel plate layer 5 form laminated rubber bearing;Rubber layer 4 and steel plate layer 5 are connected to each other using vulcanization method;Rubber layer 4 and steel plate layer 5 are connected alternately.

[0029] Rubber layer 4 and upper and lower sealing plate 1 are connected using vulcanization, sliding hinge 2 is placed in the rectangular groove of upper and lower sealing plate 1.Tensile steel sheet 3 is connected with sliding hinge 2 at the upper and lower sealing plate 1.

[0030] Rectangular groove is opened in the periphery of upper and lower sealing plate 1, the edge of rectangular groove is parallel with the edge of upper and lower sealing plate, the rectangular groove of each adjacent edge is perpendicular to each other, the projection of upper sealing plate rectangular groove to lower sealing plate, the projection of upper sealing plate rectangular groove coincides with lower sealing plate rectangular groove.

[0031] The upper and lower sealing plates 1 are internally opened rectangular grooves, and the sliding rods 6 of the sliding hinges 2 are connected to the rectangular grooves; the sliding hinges 2 are arranged along the four edges of the upper and lower sealing plates 1.

[0032] The two ends of the tensile steel sheet 3 are connected to the upper and lower sliding hinges 3, and the sliding hinges 2 are internally provided with steel sheet clamping grooves, the two ends of the tensile steel sheet 3 are clamped into the corresponding sliding hinges 2, and in the case that the electric power equipment shock isolation support is not deformed, the tensile steel sheet 3 is perpendicular to the upper and lower sealing plates.

[0033] The sliding hinge 3 comprises a sliding rod 6, a roller 7 and a ball 8, the sliding rod 6 is sleeved into the roller 7, and the roller 7 is located at the middle segment of the sliding rod 6. The ball 8 is poured into the roller 7 and is sealed in the roller 7.

[0034] The tensile steel sheet 3 can be a soft steel material or an SMA-shape memory alloy material.

[0035] The upper and lower sealing plates 1 are internally opened rectangular grooves, and the sliding rods 6 of the sliding hinges 2 are connected to the rectangular grooves; the sliding hinges 2 are arranged along the four edges of the upper and lower sealing plates 1. Embodiment two:

[0036] Referring to Figures 5-6 An electric power equipment shock isolation support, comprising two upper and lower sealing plates 1, sliding hinges 2, tensile steel sheets 3, rubber layers 4 and steel plate layers 5. The upper and lower sealing plates 1, the rubber layers 4 and the steel plate layers 5 form a laminated rubber support; the sliding hinges 2 are connected in the upper and lower sealing plates 1; the tensile steel sheets 3 are connected between the upper and lower sliding hinges 2.

[0037] Specifically, when the support is subjected to tensile shear effect, the tensile steel sheet 3 will provide tensile resistance to prevent serious deformation of the support in the vertical direction, thereby ensuring the mechanical properties of the laminated rubber support; in addition, the tensile steel sheet 3 will orthogonally decompose the displacement in the isolation layer plane into two horizontal displacements and can provide resistance to horizontal deformation, thereby improving the mechanical properties of the support.

[0038] Specifically, the tensile steel sheet 3 will only have lateral displacement in the short edge direction due to the action of the sliding hinge 2, and will not have displacement other than this.

[0039] Specifically, the tensile steel sheet 3 can be made of soft steel material with higher plastic strain or SMA-shape memory alloy material; the plastic dissipation energy of the tensile steel sheet is improved, thereby improving the energy dissipation capacity of the support.

[0040] When the support is subjected to tensile shear effect, the tensile steel sheet will provide vertical resistance to prevent serious deformation of the support in the vertical direction, thereby ensuring the mechanical properties of the laminated rubber support; in addition, the tensile steel sheet will orthogonally decompose the displacement in the isolation layer plane into two horizontal displacements and can provide resistance to horizontal deformation, thereby improving the mechanical properties of the support.

[0041] Finally, it should be noted that while the present application and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims. Moreover, the specific embodiments of the present application have been shown, by way of example, and could be implemented in any of a number of different forms. It is therefore important that the claims be construed to include all such embodiments as they come within the scope of the following claims.

Claims

1. A vibration isolation bearing for power equipment, comprising two upper and lower sealing plates (1), a rubber layer (4), and a steel plate layer (5), characterized in that: The two sealing plates (1) together with the rubber layer (4) and the steel plate layer (5) form a laminated rubber support; the rubber layer (4) and the steel plate layer (5) are connected to each other by vulcanization; the rubber layer (4) and the steel plate layer (5) are staggered; the sealing plate (1) has rectangular grooves around its perimeter, the sides of the rectangular grooves are parallel to the sides of the sealing plate, and the rectangular grooves on each adjacent side are perpendicular to each other. The rectangular groove of the upper sealing plate projects onto the lower sealing plate, and the projection of the rectangular groove of the upper sealing plate coincides with the rectangular groove of the lower sealing plate. The sealing plate (1) has rectangular grooves inside, and sliding hinges (2) are provided in the rectangular grooves. One sliding hinge (2) is arranged along each of the four sides of the sealing plate (1), and the two ends of the tensioned steel sheet (3) are... Do not connect with the sliding hinges (2) at both ends. The sliding hinges (2) have steel plate slots inside. Insert the two ends of the tension steel plate (3) into the corresponding sliding hinges (2). When the support is not deformed, the tension steel plate (3) is perpendicular to the sealing plates (1) at both ends. The sliding hinge (2) includes a slide bar (6), a roller (7) and a ball (8). The slide bar (6) is fitted into the roller (7). The roller (7) is placed in the middle section of the slide bar (6). The ball (8) is poured into the roller (7) and sealed in the roller (7). The tension steel plate (3) is made of soft steel or shape memory alloy. The sealing plate (1) has holes along the side length and is bolted to the internal structure of the power equipment.

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