Foundation bottom plate vibration isolation structure

Abstract

The utility model discloses a foundation slab vibration isolation structure, and relates to the technical field of vibration isolation. The foundation slab vibration isolation structure comprises an equipment foundation, a vibration isolation foundation, an XPS extruded sheet and an original structure, the vibration isolation foundation is located below the equipment foundation, the XPS extruded sheet is located on the outer side of the equipment foundation, the original structure is located on the outer side of the XPS extruded sheet, and the equipment foundation comprises a pouring concrete block; the reserved cup opening is used for secondary pouring connection of the vibration equipment footing and an equipment foundation; the vibration isolation foundation comprises a pile foundation, and the pile foundation is used for strengthening the supporting capacity of the foundation. According to the vibration isolation structure for the foundation slab, the XPS extruded sheets are arranged, the equipment foundation, the vibration isolation foundation and the original structure are separated through the XPS extruded sheets, the original structure is not affected by vibration when vibration equipment works, and the situation that the laboratory foundation is damaged by huge vibration when the vibration equipment operates, and operation of a laboratory is affected is avoided.

Description

Technical Field

[0001] This utility model relates to the field of vibration isolation technology, specifically a vibration isolation structure for a foundation plate. Background Technology

[0002] A foundation slab vibration isolation structure is a seismic-resistant structural system. It involves placing a vibration isolation layer between the building's foundation and superstructure, typically located on the foundation slab. Its core principle is to extend the structure's natural period through vibration isolation devices, reducing the transmission of vibration energy between structural elements, thereby mitigating the damage caused by vibration to the building.

[0003] The vibration testing laboratory in a modern new energy vehicle chip industrial park contains large vibration equipment. This equipment generates significant vibrations during operation, which can affect the structural safety of the foundation slab. Uneven and uncoordinated vibration forces between the equipment and the foundation can disrupt the equipment's normal operation and easily cause cracks in the foundation slab. The vibration testing laboratory also requires high vibration isolation for the equipment foundation, which bears the load. Insufficient vibration isolation in the foundation slab, inadequate connection strength with the equipment, and insufficient vibration damping can easily lead to cracking of the foundation concrete, severely impacting the normal operation of the testing laboratory.

[0004] Uncoordinated and unbalanced vibration forces between the equipment and the foundation can affect the normal operation of the equipment and easily cause cracks in the base plate structure. Insufficient vibration isolation structure of the foundation plate and inadequate connection strength and vibration damping effect with the equipment can easily lead to cracking of the base plate concrete, seriously affecting the normal operation of the laboratory. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a foundation slab vibration isolation structure. This solves the problem that uncoordinated and unbalanced vibration forces between the equipment and the foundation can affect the normal operation of the equipment and easily cause cracking of the foundation slab structure. Insufficient connection strength and vibration damping effect between the foundation slab vibration isolation structure and the equipment can easily lead to cracking of the foundation slab concrete, seriously affecting the normal operation of the laboratory.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a foundation plate vibration isolation structure, comprising an equipment foundation, a vibration isolation foundation, an XPS extruded polystyrene board, and an original structure. The vibration isolation foundation is located below the equipment foundation, the XPS extruded polystyrene board is located outside the equipment foundation, and the original structure is located outside the XPS extruded polystyrene board. The equipment foundation includes:

[0007] Cast concrete blocks;

[0008] A pre-reserved cup opening is provided for the secondary casting connection between the vibratory equipment base foot and the equipment foundation 1;

[0009] The vibration isolation foundation comprises:

[0010] A pile foundation is used to reinforce the supporting capacity of a soft foundation;

[0011] A vibration isolation bottom layer is used to reduce the influence of the vibration equipment on the underlying soft foundation;

[0012] A plain concrete cushion is used to connect the pile foundation to improve the overall supporting capacity of the vibration isolation foundation;

[0013] A protective wall is used to provide protection for the XPS.

[0014] Preferably, a reserved cup opening is arranged at the top of the cast concrete block, a cup hoop is arranged on the inner side of the inner wall of the reserved cup opening, the cup hoop is provided with a plurality of shapes corresponding to the shape of the reserved cup opening, and the cup hoop is sequentially distributed from bottom to top in size, a cup vertical bar is inserted into the inner side of the cup hoop, the cup vertical bar is distributed in a rectangular shape on the inner side of the inner wall of the reserved cup opening, a cup horizontal bar is arranged at the bottom of the cup hoop, and the cup vertical bar, the cup horizontal bar and the cup hoop are fixedly connected.

[0015] Preferably, the pile foundation is inserted into the bottom of the cast concrete block, the pile foundation is inserted into the inner side of the vibration isolation bottom layer, the pile foundation is inserted into the inner side of the plain concrete cushion, the plain concrete cushion is fixedly connected with the pile foundation, and the plain concrete cushion is located between the vibration isolation bottom layer and the cast concrete block.

[0016] Preferably, the protective wall is located above the plain concrete cushion, the protective wall is fixedly connected with the plain concrete cushion, a protective wall hoop is arranged in the protective wall, the protective wall hoop is distributed in a rectangular shape on the inner side of the protective wall, and a protective wall horizontal bar is inserted into the inner side of the protective wall hoop.

[0017] Preferably, the XPS extruded board is sleeved on the outer side of the cast concrete block, the top of the XPS extruded board is flush with the cast concrete block, and the XPS extruded board is inserted into the inner side of the protective wall.

[0018] Preferably, the original structure comprises:

[0019] An original structure bottom plate is sleeved on the outer side of the XPS extruded board, and the top of the original structure bottom plate is slightly lower than the top of the XPS extruded board;

[0020] An original structure foundation is located below the original structure bottom plate, the original structure foundation is fixedly connected with the original structure bottom plate, the original structure foundation is located above the protective wall, and the original structure foundation is not connected with the protective wall.

[0021] The utility model discloses a foundation bottom plate vibration isolation structure, it has the beneficial effect as follows:

[0022] The XPS extruded plate separates the equipment foundation, the vibration isolation foundation and the original structure, so that the original structure is not affected by the vibration of the vibration equipment during operation, and the damage of the vibration equipment to the laboratory foundation during operation is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the front side of the present application;

[0026] Figure 3 It is a schematic diagram of the top structure of the reserved cup mouth reinforcement of the present application;

[0027] Figure 4 It is a schematic diagram of the cross-sectional structure of the reserved cup mouth reinforcement of the present application;

[0028] Figure 5 It is a schematic diagram of the cross-sectional structure of the side of the present application.

[0029] In the figure: 1, equipment foundation; 11, cast concrete block; 12, reserved cup mouth; 13, cup mouth stirrup; 131, cup mouth vertical reinforcement; 132, cup mouth cross reinforcement; 2, vibration isolation foundation; 21, pile foundation; 22, vibration isolation bottom layer; 23, plain concrete cushion layer; 24, protection wall; 241, protection wall stirrup; 242, protection wall cross reinforcement; 3, XPS extruded plate; 4, original structure; 41, original structure bottom plate; 42, original structure foundation. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] The application provides a foundation base plate vibration isolation structure, which solves the problem that uncoordinated and unbalanced vibration stress between equipment and a foundation affects normal operation of the equipment and easily causes cracking of the base plate structure.

[0032] The utility model discloses a foundation base plate vibration isolation structure.

[0033] Embodiment one, according to the attached Figures 1-5 As shown in the figure, including equipment foundation 1, vibration isolation foundation 2, XPS extruded sheet 3 and original structure 4, vibration isolation foundation 2 is located below equipment foundation 1, XPS extruded sheet 3 is located on the outside of equipment foundation 1, and original structure 4 is located on the outside of XPS extruded sheet 3, and equipment foundation 1 comprises:

[0034] Pouring concrete block 11;

[0035] Reserve cup mouth 12, reserve cup mouth 12 is used for twice pouring connection of vibration equipment foot and equipment foundation 1;

[0036] Vibration isolation foundation 2 comprises:

[0037] Pile foundation 21, pile foundation 21 is used for reinforcing the support capacity of the foundation with relatively soft texture;

[0038] Vibration isolation bottom layer 22, vibration isolation bottom layer 22 is used for reducing the influence of vibration equipment work on the soft foundation below;

[0039] Plain concrete cushion layer 23, plain concrete cushion layer 23 is used for connecting pile foundation 21 to improve the overall support force of vibration isolation foundation 2;

[0040] Protection wall 24, protection wall 24 is used for providing protection for XPS.

[0041] The XPS extruded plate 3 is arranged to separate the equipment foundation 1, the vibration isolation foundation 2 and the original structure 4, so that the original structure 4 is not affected by the vibration of the vibration equipment during operation, the damage of the vibration equipment to the laboratory foundation during operation is avoided, and the operation of the laboratory is affected; the equipment foundation 1 is arranged, the reserved cup opening 12 is arranged on the equipment foundation 1, the secondary pouring connection of the vibration equipment foundation foot and the reserved cup opening 12 is connected, so that the vibration equipment and the equipment foundation 1 are connected stably, the integrity of the vibration equipment and the vibration isolation foundation 2 is improved, and the coordination and balance between the vibration equipment and the vibration isolation foundation 2 are improved.

[0042] Further, the reserved cup opening 12 is arranged at the top of the cast concrete block 11, the cup opening stirrup 13 is arranged on the inner side of the inner wall of the reserved cup opening 12, the cup opening stirrup 13 is arranged in a plurality of shapes corresponding to the shape of the reserved cup opening 12, and the cup opening stirrup 13 is arranged in size from bottom to top, the cup opening vertical stirrup 131 is inserted into the cup opening stirrup 13, the cup opening vertical stirrup 131 is arranged in a rectangular shape on the inner side of the inner wall of the reserved cup opening 12, the cup opening horizontal stirrup 132 is arranged at the bottom of the cup opening stirrup 13, and the cup opening vertical stirrup 131 and the cup opening horizontal stirrup 132 are fixedly connected with the cup opening stirrup 13.

[0043] Further, the pile foundation 21 is inserted into the cast concrete block 11 at the bottom, the pile foundation 21 is inserted into the vibration isolation bottom layer 22, the pile foundation 21 is inserted into the plain concrete cushion layer 23, the plain concrete cushion layer 23 is fixedly connected with the pile foundation 21, and the plain concrete cushion layer 23 is located between the vibration isolation bottom layer 22 and the cast concrete block 11.

[0044] It is particularly disclosed that the protection wall 24 is located above the plain concrete cushion layer 23, the protection wall 24 is fixedly connected with the plain concrete cushion layer 23, the protection wall 24 is internally provided with the protection wall stirrup 241, the protection wall stirrup 241 is arranged in a rectangular shape on the inner side of the protection wall 24, and the protection wall horizontal stirrup 242 is inserted into the protection wall stirrup 241.

[0045] It is particularly disclosed that the XPS extruded plate 3 is sleeved on the outer side of the cast concrete block 11, the top of the XPS extruded plate 3 is flush with the cast concrete block 11, and the XPS extruded plate 3 is inserted into the inner side of the protection wall 24.

[0046] It needs to be particularly emphasized that the original structure 4 comprises:

[0047] The original structure bottom plate 41 is sleeved on the outer side of the XPS extruded plate 3, and the top of the original structure bottom plate 41 is slightly lower than the top of the XPS extruded plate 3;

[0048] The original structure foundation 42 is located below the original structure bottom plate 41, the original structure foundation 42 is fixedly connected with the original structure bottom plate 41, the original structure foundation 42 is located above the protection wall 24, and the original structure foundation 42 is not connected with the protection wall 24.

[0049] Working principle: firstly, the soil layer is treated by pile foundation 21 with diameter of 500mm, then the vibration isolation bottom layer 22 is laid with coarse, medium and fine gravel in the ratio of 1:2:3 and rammed to 200mm thick, and then the 150mm thick plain concrete cushion 23 is poured on the vibration isolation bottom layer 22;

[0050] Then, the XPS extruded board is set around the equipment foundation 1, the 300mm thick reinforced concrete equipment foundation 1 protection wall 24 is set outside the extruded board along the four sides of the equipment foundation 1, the protection wall 24 is disconnected with the original structure foundation 42 and is spaced 100mm;

[0051] Finally, the vibration equipment is connected with the equipment foundation 1 through the reserved cup 12 set on the top of the equipment foundation 1. The XPS extruded board 3 is set around the side wall of the vibration isolation structure equipment foundation 1, and the protection wall 23 is disconnected with the original structure foundation 42, so that the influence of the equipment vibration on the original structure 4 is reduced, and the application has the effect of effectively isolating the vibration of the large vibration equipment pre-buried in the vibration laboratory.

[0052] The basic principle and main features of the application and the advantages of the application are shown and described above. The skilled in the art should understand that the application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the application. Without departing from the spirit and scope of the application, the application can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A base plate vibration isolation structure, comprising a device foundation (1), a vibration isolation foundation (2), an XPS extruded plate (3) and an original structure (4), wherein the vibration isolation foundation (2) is located below the device foundation (1), the XPS extruded plate (3) is located outside the device foundation (1), and the original structure (4) is located outside the XPS extruded plate (3), characterized in that, The equipment foundation (1) comprises: The cast-in-place concrete block (11); The reserved cup mouth (12) is used for connecting the vibration equipment foundation and the secondary pouring of the equipment foundation (1); The vibration isolation foundation (2) comprises: The pile foundation (21) is used for strengthening the supporting capacity of the foundation with soft texture; The vibration isolation bottom layer (22) is used for reducing the influence on the underlying soft foundation when the vibration equipment works; The plain concrete cushion layer (23) is used for connecting the pile foundation (21) to improve the overall supporting force of the vibration isolation foundation (2); The protection wall (24) is used for providing protection for XPS.

2. The baseplate vibration isolation structure of claim 1, wherein The cast-in-place concrete block (11) is provided with a reserved cup mouth (12) at the top, a cup mouth stirrup (13) is arranged on the inner side of the inner wall of the cup mouth (12), the cup mouth stirrup (13) is provided with a plurality of shapes corresponding to the shape of the reserved cup mouth (12), and the cup mouth stirrup (13) is sequentially distributed from bottom to top in size, a cup mouth vertical bar (131) is inserted into the inner side of the cup mouth stirrup (13), the cup mouth vertical bar (131) is distributed in a rectangular shape on the inner side of the inner wall of the reserved cup mouth (12), and the cup mouth vertical bar (131) and the cup mouth horizontal bar (132) are fixedly connected with the cup mouth stirrup (13).

3. The baseplate vibration isolation structure of claim 1, wherein The pile foundation (21) is inserted into the bottom of the cast-in-place concrete block (11), the pile foundation (21) is inserted into the inner side of the vibration isolation bottom layer (22), the pile foundation (21) is inserted into the inner side of the plain concrete cushion layer (23), the plain concrete cushion layer (23) is fixedly connected with the pile foundation (21), and the plain concrete cushion layer (23) is located between the vibration isolation bottom layer (22) and the cast-in-place concrete block (11).

4. The baseplate vibration isolation structure of claim 1, wherein The protection wall (24) is located above the plain concrete cushion layer (23), the protection wall (24) is fixedly connected with the plain concrete cushion layer (23), the protection wall (24) is provided with a protection wall stirrup (241) inside, the protection wall stirrup (241) is distributed in a rectangular shape on the inner side of the protection wall (24), and a protection wall horizontal bar (242) is inserted into the inner side of the protection wall stirrup (241).

5. The baseplate vibration isolation structure of claim 1, wherein The XPS extruded sheet (3) is sleeved on the outer side of the cast-in-place concrete block (11), the top of the XPS extruded sheet (3) is flush with the cast-in-place concrete block (11), and the XPS extruded sheet (3) is inserted into the inner side of the protection wall (24).

6. The baseplate vibration isolation structure of claim 1, wherein The original structure (4) comprises: The original structure bottom plate (41) is sleeved on the outer side of the XPS extruded sheet (3); The original structure foundation (42) is located below the original structure bottom plate (41), the original structure foundation (42) is fixedly connected with the original structure bottom plate (41), and the original structure foundation (42) is located above the protection wall (24).

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