Honeycomb steel plate shock insulation support

Abstract

The utility model belongs to the technical field of shock insulation support, concretely relates to a honeycomb steel sheet shock insulation support, including rubber layer, steel sheet layer, upper sealing steel sheet and lower sealing steel sheet, rubber layer is equipped with a plurality of, steel sheet layer is equipped with a plurality of, and a plurality of steel sheet layers and a plurality of rubber layers are fixedly connected with each other and cross in longitudinal direction, upper sealing steel sheet is located the upper face of rubber layer and steel sheet layer, and upper sealing steel sheet is fixedly connected with rubber layer, lower sealing steel sheet is located the lower face of rubber layer and steel sheet layer, and lower sealing steel sheet is fixedly connected with rubber layer, steel sheet layer includes steel sheet upper cover layer, honeycomb sandwich layer and steel sheet lower cover layer, honeycomb sandwich layer is equipped with a plurality of evenly distributed honeycomb holes, steel sheet upper cover layer, honeycomb sandwich layer and steel sheet lower cover layer are sequentially fixedly connected from top to bottom. The scheme has solved the problem of the existing shock insulation support heavy weight, and the construction is not convenient.

Description

Technical Field

[0001] This utility model belongs to the field of seismic isolation bearing technology, specifically relating to a honeycomb steel plate seismic isolation bearing. Background Technology

[0002] The laminated rubber seismic isolation bearing is made of layers of steel plates and rubber stacked and vulcanized. The upper and lower cover plates, as well as the cover plates that serve as the connection components between the bearing and the structure, are reinforced with bolts and steel bars and cast into one piece with the structure. The steel plates provide vertical stiffness to withstand vertical pressure, while the rubber undergoes shear deformation during an earthquake, absorbing the seismic force.

[0003] Currently, the seismic isolation bearing with announcement number CN114197671A on the market includes an upper cover plate and a lower cover plate arranged parallel to each other. An upper connecting plate is fixedly attached to the bottom surface of the upper cover plate, and a lower connecting plate is fixedly attached to the top surface of the lower cover plate. Steel plates and rubber sheets are stacked and spaced apart between the upper and lower connecting plates. It also includes a cylindrical friction damper disposed between the upper and lower cover plates. The cylindrical friction damper is symmetrically distributed on the outside of the steel plates and rubber sheets, with the line connecting the centers of the upper and lower cover plates as its centerline. Both ends of the cylindrical friction damper are connected to the upper and lower cover plates via universal joints. The solution provided by this invention can improve the functionality, reliability, and safety of the seismic isolation structure, and improve vibration reduction efficiency.

[0004] However, there is also a problem: the high density of steel plates and rubber results in the heavy weight of the laminated rubber seismic isolation bearings, which is inconvenient for construction. The large amount of steel used in the steel plate layer leads to the high cost of the seismic isolation bearings. Currently, the bearings on the market vary in diameter, amount of steel used, quality, and cost, and are difficult to construct. Utility Model Content

[0005] This solution provides a honeycomb steel plate seismic isolation bearing to address the problems of existing seismic isolation bearings being heavy and inconvenient to construct.

[0006] To address this problem, this solution provides a honeycomb steel plate seismic isolation bearing, comprising:

[0007] Rubber layers: The rubber layers are provided in multiple forms;

[0008] Steel plate layer: There are multiple steel plate layers, and the multiple steel plate layers and multiple rubber layers are cross-fixed and connected to each other in the longitudinal direction;

[0009] Upper sealing steel plate: The upper sealing steel plate is located on top of the rubber layer and the steel plate layer, and the upper sealing steel plate is fixedly connected to the rubber layer;

[0010] Lower sealing steel plate: The lower sealing steel plate is located below the rubber layer and the steel plate layer, and the lower sealing steel plate is fixedly connected to the rubber layer;

[0011] The steel plate layer includes an upper steel plate cover layer, a honeycomb sandwich layer, and a lower steel plate cover layer. The honeycomb sandwich layer has multiple evenly distributed honeycomb holes. The upper steel plate cover layer, the honeycomb sandwich layer, and the lower steel plate cover layer are fixedly connected from top to bottom.

[0012] The principle behind this design is as follows: multiple rubber layers provide the necessary elasticity and damping properties to absorb and dissipate seismic energy. Multiple steel plate layers are alternately layered with the rubber layers, enhancing the overall structural rigidity and load-bearing capacity. The honeycomb sandwich layer design is a highly efficient and lightweight design that significantly reduces material usage and weight while maintaining structural strength. The upper sealing steel plate, located above all the rubber and steel plate layers, protects and reinforces the overall structure and is fixedly connected to the top rubber layer. The lower sealing steel plate, located below all the rubber and steel plate layers, also provides protection and reinforcement and is fixedly connected to the bottom rubber layer.

[0013] The beneficial effects of this solution are as follows: 1. Compared with traditional solid steel plates, the honeycomb sandwich layer significantly reduces the amount of material used, thereby greatly reducing the overall weight of the seismic isolation bearing. This is especially important for the convenience of transportation and installation. 2. The honeycomb structure helps to disperse stress, reduce the risk of material damage caused by local overload, and extend the service life of the seismic isolation bearing.

[0014] Furthermore, it also includes rubber columns, which are disposed within the honeycomb cells and mate with the cells. The rubber columns are fixed to the honeycomb cells by vulcanization bonding, ensuring they will not detach and maintaining a good force transmission path. The honeycomb steel plate bears the main load-bearing function, while the rubber columns are responsible for energy dissipation and shock absorption; the two work together to improve the overall seismic isolation efficiency. Under dynamic loads, the rubber columns can effectively disperse local stress, preventing buckling or fatigue damage to the honeycomb steel plate due to concentrated stress.

[0015] Meanwhile, the rubber columns fill the internal space of the honeycomb pores, reducing the possibility of residual air in the cavities and thus mitigating the impact of air pressure changes on the structure. This avoids localized expansion, pressure variations, and potential structural instability caused by the presence of gas, improving the overall density and long-term stability of the structure.

[0016] Furthermore, an expansion gap is provided between the rubber column and the honeycomb cells, and the heights of the rubber column and the honeycomb cells are the same. Rubber material has a higher coefficient of thermal expansion than steel plate, and its volume will expand when the rubber column heats up under vulcanization conditions or due to frictional heat. The reserved expansion gap provides expansion space for the rubber column, preventing internal stress concentration or extrusion failure due to pressure.

[0017] Meanwhile, under earthquake or vibration, when the rubber column undergoes shear or compression deformation, the expansion gap allows it to expand freely, reducing frictional constraints with the honeycomb steel plate and improving the flexibility and consistency of dynamic response.

[0018] Furthermore, the rubber column has a protruding cylinder, and the honeycomb hole has a groove, with the protruding cylinder cooperating with the groove. Before vulcanization, the rubber column needs to be temporarily fixed in a predetermined position within the groove. This mechanism, by setting the protruding cylinder and the groove, ensures that when the rubber column is placed into the honeycomb hole, the protruding cylinder will engage with the groove, achieving a temporary fixing effect.

[0019] The mating structure of the protruding cylinder and the groove enables rapid alignment and initial fixation of the rubber column, reducing manual correction steps and improving assembly efficiency and consistency. Furthermore, the rubber column is already in a precise position before vulcanization, ensuring a uniform and tight contact surface between the rubber and the honeycomb steel plate during the vulcanization process, thereby improving bonding strength and force transmission performance.

[0020] Furthermore, the steel plate cover layer and the honeycomb sandwich layer are fixedly connected by adhesive, and the steel plate bottom cover layer and the honeycomb sandwich layer are also fixedly connected by adhesive. Adhesive bonding enables uniform stress distribution over a large area, avoiding the localized stress concentration problems that may occur with traditional welding.

[0021] Furthermore, the honeycomb cells are equilateral hexagons. When subjected to external forces, the stress in an equilateral hexagonal structure can be evenly diffused along the hexagonal edges and corners, avoiding localized stress concentration. Equilateral hexagons possess high resistance to compression, shear, and buckling, making them suitable for engineering structures subjected to complex loads. Attached Figure Description

[0022] Figure 1 This is a structural diagram of a honeycomb steel plate seismic isolation bearing.

[0023] Figure 2 A magnified view A of the steel plate layer of a honeycomb steel plate seismic isolation bearing;

[0024] Figure 3 This is a structural diagram of a honeycomb steel plate seismic isolation bearing with steel plate layers.

[0025] Figure 4 This is a schematic diagram of a honeycomb sandwich steel plate for a honeycomb steel plate seismic isolation bearing.

[0026] The reference numerals in the accompanying drawings include: 1. Upper sealing steel plate; 2. Rubber layer; 3. Steel plate layer; 4. Lower sealing steel plate; 5. Upper steel plate cover layer; 6. Honeycomb sandwich layer; 7. Lower steel plate cover layer; 8. Honeycomb hole; 9. Protruding cylinder; 10. Expansion gap; 11. Rubber column; 12. Groove. Detailed Implementation

[0027] As attached Figure 1 As shown:

[0028] Multiple rubber layers 2 are arranged at intervals along the longitudinal direction; the preferred material is natural rubber (NR), which has good elasticity and damping properties; its function is to provide horizontal flexibility and absorb and dissipate seismic energy. Multiple steel plate layers 3 are arranged alternately and stacked with the rubber layers 2; the multiple steel plate layers 3 and rubber layers 2 are longitudinally cross-fixed and connected to each other through a vulcanization process to form a multi-layer composite structure.

[0029] The top sealing steel plate 1 is located at the top of the rubber layer 2 and the steel plate layer 3, and is fixedly connected to the top rubber layer 2 through a vulcanization process. The material of the top sealing steel plate 1 is Q345B hot-rolled steel plate with a thickness of 3-6mm, and the surface is phosphated to enhance the adhesion. The top sealing steel plate 1 serves to seal, strengthen, and bear pressure at the top of the overall structure.

[0030] The lower sealing steel plate 4 is located at the bottom of the rubber layer 2 and the steel plate layer 3, and is fixedly connected to the bottom rubber layer 2 through a vulcanization process; the material is the same as the upper sealing steel plate 1, and the function is similar, used to enhance the stability of the bottom support.

[0031] As attached Figure 2 , Figure 3 , Figure 4 As shown:

[0032] Each steel plate layer 3 includes a steel upper cover layer 5, a honeycomb sandwich layer 6, and a steel lower cover layer 7. The steel upper cover layer 5 is made of Q345B high-strength carbon steel or stainless steel plate with a thickness of 1-3mm. The honeycomb sandwich layer 6 is made of high-strength carbon steel core material with multiple evenly distributed honeycomb holes 8 inside. The steel lower cover layer 7 is made of the same material as the upper cover layer and is used to seal the bottom to enhance the overall rigidity. The above three layers are bonded together with adhesive and cured to form a whole, achieving high strength and lightweight load-bearing capacity.

[0033] The honeycomb sandwich layer 6 has multiple honeycomb holes 8 arranged in a regular pattern. The honeycomb holes 8 are equilateral hexagonal structures with a side length of 5 to 10 mm and a hole wall thickness of 0.1 to 0.3 mm. The equilateral hexagonal honeycomb holes 8 have the characteristics of high space utilization, uniform stress, and strong shear resistance. Compared with circular or rectangular hole structures, they have a stronger load-bearing capacity per unit mass and are suitable for bearing complex loads.

[0034] It also includes rubber columns 11, which are disposed within the honeycomb holes 8 and are at the same height as the honeycomb holes 8. The material of the rubber columns 11 is the same as that of the rubber layer 2, preferably natural rubber. The rubber columns 11 are fixed in the honeycomb holes 8 by vulcanization bonding to ensure that they will not fall off and to maintain a good force transmission path. The honeycomb steel plate bears the main load-bearing function; the rubber columns 11 are responsible for local energy dissipation and shock absorption. The two work together to improve the overall seismic isolation efficiency.

[0035] Under dynamic load, the rubber column 11 can effectively disperse local stress and prevent buckling or fatigue damage to the honeycomb steel plate due to concentrated stress.

[0036] An expansion gap 10 (0.1–0.3 mm) is provided between the rubber column 11 and the honeycomb hole 8, and the heights of the rubber column 11 and the honeycomb hole 8 are the same. This design takes into account the thermal expansion characteristics of rubber materials. When the ambient temperature rises or the volume of the rubber column 11 expands due to frictional heat, the reserved expansion gap 10 provides it with free expansion space, avoiding internal stress concentration or extrusion failure. At the same time, under the action of earthquake or vibration, when the rubber column 11 undergoes shear or compressive deformation, the expansion gap 10 allows it to expand freely, reducing frictional constraints with the honeycomb steel plate and improving the consistency and flexibility of dynamic response.

[0037] The rubber column 11 has a protruding cylinder 9, and the honeycomb holes 8 have grooves 12. The protruding cylinder 9 and the grooves 12 are fitted together. The height of the protruding cylinder 9 is 0.2-0.5mm, and the protruding cylinder 9 can be inserted into the groove 12 by the deformation of the rubber column 11 itself. The groove 12 is a correspondingly shaped slot structure. Before vulcanization, the rubber column 11 needs to be temporarily fixed in a set position in the honeycomb holes 8. After the protruding cylinder 9 is inserted into the groove 12, the rubber column 11 can be initially positioned and limited, preventing displacement or falling off during assembly. This structure enables rapid alignment and assembly of the rubber column 11, improving production efficiency and consistency; and ensures that the contact surface between the rubber column 11 and the honeycomb steel plate is uniform and tight during vulcanization, improving bonding strength and force transmission performance.

[0038] The steel plate cover layer 5 and the honeycomb sandwich layer 6 are fixedly connected by structural adhesive; the steel plate bottom cover layer 7 and the honeycomb sandwich layer 6 are also bonded by structural adhesive; the adhesive is preferably a two-component epoxy resin adhesive or polyurethane adhesive, which has excellent bonding strength, temperature resistance and durability.

[0039] Compared with traditional welding or bolting, adhesive bonding has the following advantages: 1. It avoids damage to the honeycomb structure caused by the heat-affected zone;

[0040] 2. Achieve uniform stress over a large area, improving shear and peel resistance;

[0041] As attached Figure 1-4 As shown:

[0042] In practical operation, this honeycomb steel plate seismic isolation bearing constructs a composite structural system that combines load-bearing capacity and vibration reduction function through the alternating superposition of multiple rubber layers 2 and honeycomb steel plate layers 3: the rubber layer 2 provides elasticity and damping, absorbing seismic input energy. The honeycomb steel plate layer 3, as the main load-bearing unit, provides sufficient vertical stiffness and lateral stability; the rubber columns 11 embedded in the honeycomb holes 8 further enhance the local energy dissipation capacity, while also playing a role in buffering and stress dispersion. The mechanical fit structure between the protruding cylinder 9 and the groove 12 ensures the stable positioning of the rubber column 11 during assembly; the expansion gap 10 design alleviates the internal stress generated by the thermal expansion of the rubber column 11; the adhesive connection between the upper and lower cover layers and the honeycomb sandwich layer 6 improves the overall structural strength and sealing performance.

[0043] The beneficial effects of this solution are as follows: 1. Significant weight reduction: The honeycomb sandwich layer 6 adopts an equilateral hexagonal structure, which greatly reduces the amount of metal materials used. Compared with the traditional solid steel plate structure, the overall weight is reduced by more than 30%, making it easier to transport and install.

[0044] 2. The equilateral hexagonal honeycomb structure has high resistance to compression, shear and buckling. The combination design of rubber columns 11 and honeycomb holes 8 enhances the local energy dissipation capacity and improves the seismic isolation efficiency.

[0045] 3. The structure of the protruding cylinder 9 and the groove 12 enables the rapid positioning and temporary fixation of the rubber column 11, which significantly improves assembly efficiency, reduces manual correction costs, and is suitable for industrial mass production.

[0046] 4. An expansion gap 10 is provided between the rubber column 11 and the honeycomb hole 8, so that it can deform flexibly under earthquake or vibration; thereby improving the adaptability and robustness of the support under complex working conditions.

[0047] 5. The rubber column 11 can effectively disperse the local stress of the honeycomb steel plate and prevent fatigue damage; the adhesive connection avoids structural degradation caused by welding and improves long-term service stability.

[0048] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A honeycomb steel plate seismic isolation bearing, comprising: Rubber layer (2): The rubber layer (2) is provided with multiple layers; Steel plate layer (3): There are multiple steel plate layers (3), and the multiple steel plate layers (3) and multiple rubber layers (2) are cross-fixed and connected to each other in the longitudinal direction; Upper sealing steel plate (1): The upper sealing steel plate (1) is located on top of the rubber layer (2) and the steel plate layer (3), and the upper sealing steel plate (1) is fixedly connected to the rubber layer (2); Lower sealing steel plate (4): The lower sealing steel plate (4) is located below the rubber layer (2) and the steel plate layer (3), and the lower sealing steel plate (4) is fixedly connected to the rubber layer (2); Its features are, The steel plate layer (3) includes a steel plate top cover layer (5), a honeycomb sandwich layer (6) and a steel plate bottom cover layer (7). The honeycomb sandwich layer (6) is provided with a plurality of uniformly distributed honeycomb holes (8). The steel plate top cover layer (5), the honeycomb sandwich layer (6) and the steel plate bottom cover layer (7) are fixedly connected from top to bottom.

2. The honeycomb steel plate seismic isolation bearing according to claim 1, characterized in that, It also includes rubber pillars (11), which are disposed inside the honeycomb holes (8) and cooperate with the honeycomb holes (8).

3. A honeycomb steel plate seismic isolation bearing according to claim 2, characterized in that, An expansion gap (10) is left between the rubber column (11) and the honeycomb hole (8), and the rubber column (11) and the honeycomb hole (8) have the same height.

4. A honeycomb steel plate seismic isolation bearing according to claim 3, characterized in that, The rubber column (11) has a protruding cylinder (9), and the honeycomb hole (8) has a groove (12). The protruding cylinder (9) and the groove (12) cooperate with each other.

5. A honeycomb steel plate seismic isolation bearing according to claim 1, characterized in that, The steel plate cover layer (5) and the honeycomb sandwich layer (6) are fixedly connected by adhesive, and the steel plate bottom cover layer (7) and the honeycomb sandwich layer (6) are fixedly connected by adhesive.

6. A honeycomb steel plate seismic isolation bearing according to claim 1, characterized in that, The honeycomb holes (8) are equilateral hexagons.

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