Foundation device of vibration isolation equipment on floor

By designing a foundation device for the on-floor vibration isolation equipment including waterproof layer, ridge barrier, edge rubber pad, vibration isolation rubber pad, channel steel, steel plate, concrete foundation and external vibration-absorbing spring, the problems of vibration and noise propagation of the roof equipment foundation are solved, and more effective vibration reduction effects and a wider range of application are achieved.

CN222893873UActive Publication Date: 2025-05-23SUZHOU ZHONGZHENG CONSTR ENG +1
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Patent Information

Application Number
CN202421827426.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-23
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

When the prior art solves the problems of vibration and noise propagation of roof equipment foundations, the vibration-absorbing pads are subjected to heavy loads for a long time, resulting in deformation and slackness, and cannot effectively solve the vibration-absorbing and sound insulation between the side of the equipment foundation and the roof structure layer, affecting the overall vibration-absorbing effect and possibly destroying the roof structure layer.

Method used

A foundation device for vibration isolation equipment on floor slabs is designed, including waterproof layer, ridge barrier, edge rubber pad, vibration isolation rubber pad, channel steel, steel plate, concrete foundation and external vibration absorption spring. Through the combination and fixation of these components, a complete vibration isolation system is formed.

Benefits of technology

Effectively reduce roof vibration and noise, improve the vibration damping effect of the equipment foundation, ensure the normal use of the room below, and the structure is stable and durable, with a wide range of applications, and no need to consider post-maintenance issues.

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Patent Text Reader

Abstract

The utility model relates to a floor vibration isolation equipment foundation device which comprises a roof floor, vibration isolation rubber mats and channel steel, a waterproof layer is arranged at the top end of the roof floor, blocking ridges are arranged on the periphery of the roof floor, surrounding edge rubber mats are arranged on the inner walls of the blocking ridges, the vibration isolation rubber mats are arranged on the upper side of the waterproof layer at equal intervals, and the top ends of the vibration isolation rubber mats abut against the channel steel. The top end of the channel steel is fixedly connected with a steel plate, the top end of the steel plate is filled with a concrete foundation, and the top end of the concrete foundation is fixedly connected with a plurality of external damping springs and provided with a mortar protection layer. The foundation device of the vibration isolation equipment on the floor has the advantages of reducing roof vibration, noise and side face vibration, widening the application range and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of vibration isolation equipment, in particular to a vibration isolation equipment foundation device on a floor. Background Art

[0002] At present, for buildings with functional machine rooms on the roof, especially public cultural buildings, the roof equipment foundation structure has high requirements for vibration isolation. The current measures to solve this problem are mainly to use equipment with vibration-damping bases and to fully cover the bottom of the equipment foundation with vibration-damping pads. The equipment foundation vibration-damping base can control the source of vibration and noise, and the bottom vibration-damping plate can also reduce vibration and noise in the transmission path. However, since the vibration-damping pad bears heavy loads for a long time, it will cause permanent deformation and relaxation of the vibration-damping pad, affecting its long-term vibration-damping effect and stability. In addition, the above measures cannot solve the vibration and sound insulation of the side of the equipment foundation and the roof building structure layer, affecting the overall vibration reduction effect, and there is even a risk of damaging the roof casting structure layer.

[0003] To this end, we have developed a foundation device for vibration isolation equipment on the floor to solve the above problems. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a vibration isolation equipment foundation device on a floor slab, which has the advantages of reducing roof vibration, reducing noise, reducing side vibration, and increasing the scope of use.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a foundation device of vibration isolation equipment on a floor slab, comprising a roof slab, a waterproof layer is provided at the top of the roof slab, and retaining sills are provided around, an edge rubber pad is provided on the inner wall of the retaining sill, and vibration isolation rubber pads are provided at equal intervals on the upper side of the waterproof layer, the top of the vibration isolation rubber pad abuts a channel steel, the top of the channel steel is fixedly connected to a steel plate, the top of the steel plate is filled with a concrete foundation, the top of the concrete foundation is fixedly connected to a plurality of external vibration-damping springs, and a mortar protective layer is provided.

[0006] Preferably, the channel steel is provided with a channel steel body and an open groove, the vibration isolation rubber pad is crimped to the open groove, and the channel steel body is fixedly connected to the steel plate.

[0007] Preferably, the vibration isolation rubber pad is a cubic structure or a rectangular parallelepiped structure, and the static load is 100-150 kg.

[0008] Preferably, a thin plastic layer is provided at the top of the steel plate, and the thickness of the thin plastic layer is 0.1-0.3 mm.

[0009] Preferably, the concrete foundation comprises transverse reinforcement and longitudinal reinforcement, hook reinforcement is provided at both ends of the transverse reinforcement, and the transverse reinforcement is fixedly connected to the longitudinal reinforcement.

[0010] Preferably, the bottom end of the external damping spring is fixedly connected to the transverse rib or the longitudinal rib.

[0011] Preferably, the top end of the edge rubber pad is sealed and bonded with an elastic sealant, and the top end of the elastic sealant is flush with the top end of the mortar protective layer.

[0012] Preferably, an insulation board is provided between the concrete foundation and the mortar protective layer.

[0013] Preferably, a mortar leveling layer is provided between the waterproof layer and the vibration isolation rubber pad.

[0014] Preferably, the shortest distance from the top of the edge rubber pad to the top of the waterproof layer is L1, the shortest distance from the top of the retaining wall to the top of the waterproof layer is L2, and the shortest distance from the top of the steel plate to the top of the waterproof layer is L3, and the distance L1>L2>L3.

[0015] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0016] 1. By adopting the above-mentioned vibration isolation equipment foundation device, the problem of vibration and noise of the roof equipment foundation propagating to the rooms below can be more effectively solved, ensuring the normal use of the rooms below.

[0017] 2. Compared with the conventional vibration reduction measures in the past, it can effectively solve the vibration reduction effect on the side of the equipment foundation and eliminate the impact on the side of the roof structure layer.

[0018] 3. The basic structure of this vibration isolation equipment is stable and durable, with a wide range of applications, and there is no need to consider subsequent maintenance issues. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the foundation device of the vibration isolation equipment on the floor slab of the utility model.

[0020] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle.

[0021] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Figures 1 to 3In the invention, a vibration isolation equipment foundation device on a floor slab includes a roof slab 100, a waterproof layer 46 is provided at the top of the roof slab 100, and a retaining sill 10 is provided around the sill, a surrounding rubber pad 50 is provided on the inner wall of the retaining sill 10, and vibration isolation rubber pads 20 are provided at equal intervals on the upper side of the waterproof layer 46, and a mortar leveling layer 45 is provided between the waterproof layer 46 and the vibration isolation rubber pad 20. The top of the vibration isolation rubber pad 20 abuts against a channel steel 30, the top of the channel steel 30 is fixedly connected to a steel plate 40, the top of the steel plate 40 is filled with a concrete foundation 41, the top of the concrete foundation 41 is fixedly connected to a plurality of external vibration damping springs 70, and a mortar protective layer 43 is provided. The external vibration damping spring 70 is arranged close to the retaining sill 10.

[0024] The channel steel 30 is provided with a channel steel body 302 and an open groove 301 , the vibration isolation rubber pad 20 is crimped to the open groove 301 , and the channel steel body 302 is fixedly connected to the steel plate 40 , preferably by welding.

[0025] The vibration isolation rubber pad 20 is a cubic structure or a rectangular parallelepiped structure, and the static load is 100-150 kg, preferably 100 kg, 120 kg or 150 kg. The vibration isolation rubber pad 20 has a specification of 50×50×50 mm.

[0026] A plastic thin layer 401 is provided at the top of the steel plate 40, and the thickness of the plastic thin layer 401 is 0.1-0.3 mm, preferably 0.1 mm, 0.2 mm or 0.3 mm. The concrete foundation 41 includes a transverse rib 410 and a longitudinal rib 411, and hook ribs 4101 are provided at both ends of the transverse rib 410, and the transverse rib 410 is fixedly connected to the longitudinal rib 411. The bottom end of the external vibration damping spring 70 is fixedly connected to the transverse rib 410 or the longitudinal rib 411, preferably welded, and the external vibration damping spring 70 reduces the influence of the vibration of the upper layer of the floor slab on the top of the lower layer.

[0027] The top of the edge rubber pad 50 is sealed and bonded with an elastic sealant 60, and the top of the elastic sealant 60 is flush with the top of the mortar protective layer 43. The thickness of the edge rubber pad 50 is 10 mm. An insulation board 42 is provided between the concrete foundation 41 and the mortar protective layer 43. The insulation board 42 is provided at the top of the waterproof layer 46 outside the retaining wall 10.

[0028] The shortest distance from the top of the edge rubber pad 50 to the top of the waterproof layer 46 is L1, the shortest distance from the top of the retaining sill 10 to the top of the waterproof layer 46 is L2, and the shortest distance from the top of the steel plate 40 to the top of the waterproof layer 46 is L3. The distances L1>L2>L3 play a role in side vibration reduction. The edge rubber pad 50 is set higher than the retaining sill 10, and the retaining sill 10 is set higher than the steel plate 40.

[0029] First, the cast-in-place concrete retaining sill around the equipment foundation is positioned and laid out, and after the roof waterproof layer and mortar leveling layer are completed, the edge rubber pad is installed on the inner side of the retaining sill, and then the vibration isolation rubber pad and steel trough are installed at a vertical and horizontal interval of 450mm at the bottom of the equipment foundation, and then a layer of steel plate is fully laid as the upper concrete equipment foundation supporting bottom mold. Before pouring the equipment foundation, determine the external shock-absorbing spring, and then weld it to the equipment foundation steel mesh. After the concrete foundation, insulation board and mortar protective layer are poured, elastic sealant is applied on the top of the 10 thick edge rubber pad. This structural measure is effective in vibration reduction and sound insulation, and has sufficient durability and stability.

[0030] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A foundation device for vibration isolation equipment on a floor, characterized in that: The invention comprises a roof slab (100), wherein a waterproof layer (46) is provided at the top of the roof slab (100), and retaining sills (10) are provided around the sills, and an edge rubber pad (50) is provided at the inner wall of the retaining sill (10), and vibration isolation rubber pads (20) are provided at equal intervals on the upper side of the waterproof layer (46), the top of the vibration isolation rubber pad (20) abuts against a channel steel (30), the top of the channel steel (30) is fixedly connected to a steel plate (40), the top of the steel plate (40) is filled with a concrete foundation (41), the top of the concrete foundation (41) is fixedly connected to a plurality of external vibration reduction springs (70), and a mortar protective layer (43) is provided.

2. The vibration isolation equipment foundation device on the floor according to claim 1, characterized in that: The channel steel (30) is provided with a channel steel body (302) and an open groove (301), the vibration isolation rubber pad (20) is crimped to the open groove (301), and the channel steel body (302) is fixedly connected to the steel plate (40).

3. The vibration isolation equipment foundation device on the floor according to claim 2, characterized in that: The vibration-isolating rubber pad (20) is a cubic structure or a rectangular parallelepiped structure, and has a static load of 100-150 kg.

4. The vibration isolation equipment foundation device on the floor according to claim 2, characterized in that: A plastic thin layer (401) is provided at the top of the steel plate (40), and the thickness of the plastic thin layer (401) is 0.1-0.3 mm.

5. The vibration isolation equipment foundation device on the floor according to claim 2, characterized in that: The concrete foundation (41) comprises transverse reinforcement (410) and longitudinal reinforcement (411), hook reinforcements (4101) are provided at both ends of the transverse reinforcement (410), and the transverse reinforcement (410) and the longitudinal reinforcement (411) are fixedly connected.

6. The vibration isolation equipment foundation device on the floor according to claim 5, characterized in that: The bottom end of the external damping spring (70) is fixedly connected to the transverse rib (410) or the longitudinal rib (411).

7. The vibration isolation equipment foundation device on the floor according to claim 1, characterized in that: The top end of the edge rubber pad (50) is sealed and bonded with an elastic sealant (60), and the top end of the elastic sealant (60) is flush with the top end of the mortar protective layer (43).

8. The vibration isolation equipment foundation device on the floor according to claim 1, characterized in that: A heat insulation board (42) is provided between the concrete foundation (41) and the mortar protective layer (43).

9. The vibration isolation equipment foundation device on the floor according to claim 1, characterized in that: A mortar leveling layer (45) is provided between the waterproof layer (46) and the vibration-isolating rubber pad (20).

10. The vibration isolation equipment foundation device on the floor according to claim 1, characterized in that: The shortest distance from the top of the edge rubber pad (50) to the top of the waterproof layer (46) is L1, the shortest distance from the top of the retaining wall (10) to the top of the waterproof layer (46) is L2, and the shortest distance from the top of the steel plate (40) to the top of the waterproof layer (46) is L3, and the distance L1>L2>L3.