Vibration isolation facility without damaging existing equipment foundation of roof
By adding groove steel plates and bottom channel steel on the roofing equipment of public buildings, and setting up rubber vibration isolation pads and shock absorbers, the problem of lack of vibration isolation in the roofing equipment foundation is solved, and the vibration isolation effect is improved and the protection of the waterproof layer is achieved.
Patent Information
- Application Number
- CN202421947349.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-12
AI Technical Summary
During the renovation of public buildings, the foundation of the roof equipment is usually directly connected to the roof structural panel, and the lack of vibration isolation measures will lead to adverse effects on the functional rooms. In addition, conventional vibration isolation measures require the removal of existing foundations, destroying the waterproof layer, and causing hidden dangers of water leakage.
Design a vibration isolation facility that does not destroy the existing equipment foundation on the roof. By adding grooved steel plates and equipment bottom channel steel above the beams of the existing foundation, and setting rubber vibration isolation pads and shock absorbers are installed therebetween to avoid the equipment load acting directly on the existing foundation and reduce vibration transmission.
The vibration isolation effect without the need to be removed from the existing foundation is achieved, the damage of the roof waterproof layer is avoided, the risk of water leakage is reduced, and the impact of equipment vibration on the functional room is effectively reduced.
Smart Images
Figure CN222963242U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of vibration isolation of roofing equipment, in particular to a vibration isolation facility that does not damage the existing equipment foundation on the roof. Background Art
[0002] During the renovation of existing public buildings, the foundation of existing equipment on the roof (such as cooling towers) is often directly connected to the roof structural slab without considering vibration isolation measures and does not meet the requirements of vibration isolation. When vibration occurs, it is easy to have an adverse impact on the functional rooms under the equipment foundation.
[0003] Adopting the conventional vibration isolation measure of floating foundation requires the existing foundation to be demolished first, and then a new floating foundation with vibration isolation function is added at the original position. However, this method will damage the waterproof layer of the roof and bring the hidden danger of leakage. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a vibration isolation facility that does not damage the existing equipment foundation on the roof, which does not require the demolition of the existing foundation, is convenient to install and has good shock absorption effect.
[0005] To achieve the above purpose, the utility model provides a vibration isolation facility that does not damage the existing equipment foundation on the roof, including an existing foundation. The existing foundation includes a roof and a cross beam protruding from the top surface of the roof. A channel steel plate is arranged above the cross beam, and the inner side of the channel steel plate is connected to the cross beam through a vibration isolation assembly. An equipment bottom channel steel is connected above the channel steel plate, and a shock absorber matching with the equipment is arranged on the top of the equipment bottom channel steel.
[0006] As a further improvement of the utility model, the channel steel plate includes a top plate, and both sides of the top plate are connected with side plates extending downward; the vibration isolation assembly includes a plurality of rubber vibration isolation pads, and the rubber vibration isolation pads are located between the bottom surface of the top plate and the top surface of the cross beam.
[0007] As a further improvement of the utility model, the vibration isolation assembly further includes a first rubber vibration isolation washer, and the first rubber vibration isolation washer is located between the inner side wall of the side plate and the outer side wall of the cross beam.
[0008] As a further improvement of the utility model, through holes are arranged on the side plates, and the vibration isolation assembly further includes bolts. The bolts pass through the through holes of the side plates and are threadedly connected with the cross beam, and a third rubber vibration isolation washer is sleeved between the outer side of the bolts and the through holes.
[0009] As a further improvement of the utility model, a steel plate is arranged between the cross beam and the first rubber vibration isolation washer, and the bolts pass through the steel plate.
[0010] As a further improvement of the present utility model, a metal gasket is provided on the outer side of the side plate, and a second rubber vibration isolation washer is provided between the metal gasket and the side plate. The bolt passes through the middle of the metal gasket, and the bolt head of the bolt is located on the outer side of the metal gasket.
[0011] Beneficial effects
[0012] Compared with the prior art, the advantages of the vibration isolation facility of the present utility model that does not damage the existing equipment foundation on the roof are as follows:
[0013] 1. This vibration isolation facility does not require the removal of the existing foundation and does not damage the surface layer of the existing roof. A steel frame is added above the cross beam of the existing foundation to bear the load of the equipment, avoiding the direct action of the equipment load on the existing foundation. Among them, the steel frame includes a channel steel at the bottom of the equipment and a channel-shaped steel plate connected to each other. A spring shock absorber is provided between the equipment and the channel steel at the bottom of the equipment to reduce the vibration transmitted from the equipment to the channel steel at the bottom of the equipment. A rubber vibration isolation pad is provided between the channel-shaped steel plate at the bottom of the channel steel at the bottom of the equipment and the cross beam of the existing foundation to reduce the vibration transmitted from the steel frame to the existing foundation. This structure does not damage the waterproof layer of the roof and has no hidden danger of water leakage.
[0014] 2. A first rubber vibration isolation washer is also provided on the side of the cross beam of the existing foundation to avoid the rigid contact between the side plate of the steel frame and the existing foundation, effectively blocking the transmission of vibration.
[0015] 3. The second rubber vibration isolation washer and the third rubber vibration isolation washer are provided to avoid the rigid contact between the bolt and the side plate, further blocking the transmission of vibration.
[0016] Through the following description and in combination with the accompanying drawings, the present utility model will become clearer. These drawings are used to explain the embodiments of the present utility model. Description of the drawings
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0018] Figure 1 It is a cross-sectional view of the vibration isolation facility for not damaging the existing equipment foundation on the roof;
[0019] Figure 2 It is a cross-sectional view of the channel-shaped steel plate;
[0020] Figure 3 For Figure 1 Partial enlarged view of Specific embodiments
[0021] Embodiments of the present utility model will now be described with reference to the accompanying drawings.
[0022] Embodiment
[0023] The specific implementation manner of the present utility model is as follows Figures 1 to 3 As shown, a vibration isolation facility that does not damage the existing equipment foundation on the roof includes an existing foundation 1. The existing foundation 1 includes a roof 11 and a cross beam 12 protruding from the top surface of the roof 11. Above the cross beam 12, there is a channel steel plate 4. The inner side of the channel steel plate 4 is connected to the cross beam 12 through a vibration isolation assembly. Above the channel steel plate 4, there is a bottom channel steel 3 of the equipment, and at the top of the bottom channel steel 3 of the equipment, there is a shock absorber 14 that cooperates with the equipment. Among them, the shock absorber 14 is a 50mm deformation limit high-type spring shock absorber, and the bottom of the equipment (such as a cooling tower) is connected to the top of the shock absorber 14.
[0024] Both the top surface of the roof 11 and the outer side of the lower part of the cross beam 12 are provided with an existing waterproof layer 2.
[0025] The channel steel plate 4 includes a top plate 41, and both sides of the top plate 41 are connected with side plates 42 extending downward. The vibration isolation assembly includes a number of rubber vibration isolation pads 5, and the rubber vibration isolation pads 5 are located between the bottom surface of the top plate 41 and the top surface of the cross beam 12. In this embodiment, the height of the rubber vibration isolation pads 5 is 50mm.
[0026] The vibration isolation assembly further includes a first rubber vibration isolation washer 6, and the first rubber vibration isolation washer 6 is located between the inner side wall of the side plate 42 and the outer side wall of the cross beam 12.
[0027] There are through holes 43 on the side plate 42. The vibration isolation assembly further includes bolts 7. The bolts 7 pass through the through holes 43 of the side plate 42 and are threadedly connected to the cross beam 12. A third rubber vibration isolation washer 10 is sleeved between the outer side of the bolts 7 and the through holes 43. Among them, the bolts 7 are located above the existing waterproof layer 2, and the bolts 7 do not penetrate the existing waterproof layer 2.
[0028] There is a steel plate 13 between the cross beam 12 and the first rubber vibration isolation washer 6, and the bolts 7 pass through the steel plate 13 and the first rubber vibration isolation washer 6.
[0029] There is a metal gasket 8 on the outer side of the side plate 42. There is a second rubber vibration isolation washer 9 between the metal gasket 8 and the side plate 42. The bolts 7 pass through the middle parts of both the metal gasket 8 and the second rubber vibration isolation washer 9 in sequence. The bolt head of the bolts 7 is located outside the metal gasket 8, pressing the metal gasket 8 against the second rubber vibration isolation washer 9.
[0030] This vibration isolation facility does not require the removal of the existing foundation or the destruction of the surface layer of the existing roof. A steel frame is added above the crossbeam 12 of the existing foundation to bear the load of the equipment (such as a cooling tower), so as to avoid the direct action of the equipment load on the existing foundation. Among them, the steel frame includes a channel steel 3 at the bottom of the equipment and a channel steel plate 4 that are connected. A shock absorber 14 is provided between the equipment and the channel steel 3 at the bottom of the equipment to reduce the vibration transmitted from the equipment to the channel steel 3 at the bottom of the equipment. A rubber vibration isolation pad 5 is arranged between the channel steel plate 4 at the bottom of the channel steel 3 at the bottom of the equipment and the crossbeam 12 of the existing foundation to reduce the vibration transmitted from the steel frame to the existing foundation. This structure does not damage the waterproof layer of the roof and has no hidden danger of water leakage.
[0031] A first rubber vibration isolation washer 6 is also arranged on the side of the crossbeam 12 of the existing foundation to avoid the rigid contact between the side plate 42 of the steel frame and the existing foundation, effectively blocking the transmission of vibration. The second rubber vibration isolation washer 9 and the third rubber vibration isolation washer 10 are provided to avoid the rigid contact between the bolt 7 and the side plate 42, further blocking the transmission of vibration.
[0032] The above describes the present utility model in combination with the best embodiments, but the present utility model is not limited to the disclosed embodiments above, and should cover various modifications and equivalent combinations made according to the essence of the present utility model.
Claims
1. A vibration isolation facility that does not damage the existing equipment foundation on the roof, comprising an existing foundation (1), characterized in that: The existing foundation (1) includes a roof (11) and a crossbeam (12) protruding from the top surface of the roof (11), a grooved steel plate (4) is provided above the crossbeam (12), the inner side of the grooved steel plate (4) and the crossbeam (12) are connected via a vibration isolation assembly, the top of the grooved steel plate (4) is connected to a channel steel (3) at the bottom of the equipment, and a shock absorber (14) matching the equipment is provided at the top of the channel steel (3) at the bottom of the equipment.
2. According to claim 1, a vibration isolation facility that does not damage the foundation of existing equipment on the roof is characterized in that: The grooved steel plate (4) comprises a top plate (41), and both sides of the top plate (41) are connected to side plates (42) extending downward; the vibration isolation assembly comprises a plurality of rubber vibration isolation pads (5), and the rubber vibration isolation pads (5) are located between the bottom surface of the top plate (41) and the top surface of the cross beam (12).
3. The vibration isolation facility without damaging the existing equipment foundation on the roof according to claim 2 is characterized in that: The vibration isolation assembly also includes a first rubber vibration isolation gasket (6), and the first rubber vibration isolation gasket (6) is located between the inner wall of the side plate (42) and the outer wall of the cross beam (12).
4. The vibration isolation facility without damaging the existing equipment foundation on the roof according to claim 3 is characterized in that: The side plate (42) is provided with a through hole (43), and the vibration isolation assembly further comprises a bolt (7), the bolt (7) passes through the through hole (43) of the side plate (42) and is threadedly connected to the cross beam (12), and a third rubber vibration isolation gasket (10) is sleeved between the outer side of the bolt (7) and the through hole (43).
5. The vibration isolation facility without damaging the existing equipment foundation on the roof according to claim 4 is characterized in that: A steel plate (13) is provided between the cross beam (12) and the first rubber vibration isolation washer (6), and the bolt (7) passes through the steel plate (13).
6. The vibration isolation facility without damaging the existing equipment foundation on the roof according to claim 4 is characterized in that: A metal gasket (8) is provided on the outer side of the side plate (42), a second rubber vibration isolation gasket (9) is provided between the metal gasket (8) and the side plate (42), the bolt (7) passes through the middle of the metal gasket (8), and the bolt head of the bolt (7) is located on the outer side of the metal gasket (8).