CN205298397U - Vibration isolation device for floor construction equipment - Google Patents

Abstract

The utility model discloses a vibration isolation device for floor construction equipment, which comprises a floating plate used for installing equipment and a means for supporting the floating plate and used for vibration isolation in the manner of forming a gap between the floating plate and the building foundation. Vibration isolation assembly, the vibration isolation assembly includes a main vibration isolator corresponding to the middle of the floating slab and at least one auxiliary vibration isolator corresponding to the side of the floating slab; the floating slab is lifted and connected to the building by the vibration isolation assembly A certain gap is formed between the foundations (ground or other foundation surfaces), so as to avoid the occurrence of vibration and noise caused by the vibration transmission of the room wall, and improve the comfort of the building; at the same time, through the shear deformation of the rubber ring, the vibration in all directions can be reduced. The impact of environmental vibration can improve the vibration isolation effect and form an integrated structure of vibration isolation and support for supporting components. Not only is the structure simple and reliable, it is easy to use, and the structure is quite compact, which greatly reduces the number of connectors used and is easy to assemble. Easy to disassemble, saving installation time.

Description

Floor construction equipment vibration isolation device

technical field

The utility model relates to the field of construction equipment installation, in particular to a vibration isolation device for floor construction equipment.

Background technique

Due to the increasing shortage of urban land, residential, office and commercial high-rise buildings have become the main development trend of urban architecture. In these high-rise buildings, construction equipment such as air-conditioning cold and heat sources, fans, cooling towers, and water pumps are often placed in the basement, equipment floor or roof of the building. These equipment will vibrate during operation, and equipment vibration can easily pass through the equipment foundation and Pipes or cables, etc. connected to the equipment propagate to the building structure to which it is connected. Due to the small damping of the concrete structure or steel structure itself, the structure has little attenuation of vibration. Once the vibration of the equipment is transmitted to the building structure, its vibration will spread in a wide range of the structure. When the vibration is transmitted to the noise-sensitive use space, it will cause the wall, floor or ceiling of the room to vibrate, thereby radiating noise into the room, reducing the comfort of building use, and affecting the work and rest of users.

Therefore, it is necessary to improve the installation of the existing building electrical equipment, which can effectively reduce the vibration of the building equipment, prevent the vibration from being transmitted to the building structure, and avoid causing the vibration of the wall, floor or ceiling of the room, thereby preventing the generation of noise.

Utility model content

In view of this, the utility model provides a vibration isolation device for floor construction equipment, which can effectively reduce the vibration of construction equipment, and at the same time prevent the vibration from being transmitted to the building structure, avoiding the vibration of the wall, floor or ceiling of the room, thereby preventing noise produce.

The vibration isolation device for floor construction equipment of the present utility model includes a floating plate for installing equipment and a vibration isolation assembly for supporting the floating plate in such a way that a gap is formed between the floating plate and the building foundation and used for vibration isolation. The vibration isolation assembly includes a main vibration isolator corresponding to the middle of the floating plate and at least one auxiliary vibration isolator corresponding to the side of the floating plate; the main vibration isolator includes a supporting component and a supporting component for positioning A vibration isolation component that can also be used for vibration isolation. The vibration isolation component includes a base, a housing, a rubber ring and a positioning body for inserting the lower end of the supporting component to form a fixed position. A ring positioning part is formed on the base, and the ring positioning part around the lower end of the housing And fixed on the base, the rubber ring is built in the annular positioning part, the positioning body is placed in the rubber ring, and the contact surfaces of the rubber ring and the inner wall of the annular positioning part and the outer wall of the positioning body are wedge-shaped surfaces respectively;

The auxiliary vibration isolator includes a vibration isolation spring and a bracket supported by the vibration isolation spring and contacting with the side of the floating plate to form a support.

Further, the supporting assembly includes a supporting rod, a supporting plate covered on the supporting rod, and a height adjustment member threadedly engaged with the supporting rod to adjust the position of the supporting plate on the supporting rod.

Further, a lower pressing plate which forms a spherical contact with the outer surface of the upper end of the positioning body is fixedly arranged on the supporting rod.

Further, the contact surface between the support plate and the floating plate is a spherical fit.

Further, the main vibration isolator also includes a vibration isolation sleeve arranged in the housing and used for radial vibration isolation of the support rod. The vibration isolation sleeve includes an outer vibration isolation sleeve tightly against the inner wall of the housing and an inner vibration isolation sleeve of the outer support rod. The outer vibration isolation sleeve and the inner vibration isolation sleeve form a spherical pair fit.

Further, the upper end of the rubber ring exposes the annular positioning portion to form a protruding portion, and the inner and outer sides of the protruding portion respectively abut against the fixed body and the housing.

Further, the positioning body includes a body part and a spherical cap integrally formed with the body part, and a positioning seat for the ball cap is formed on the protruding part of the rubber ring, and the bottom end of the body part of the positioning body is higher than the bottom end of the rubber ring The positions form the deformation space.

Further, the positioning body is made of rubber material, the positioning body is provided with a bracket positioning hole, and a metal reinforcing plate is provided inside the positioning body below the positioning hole of the bracket.

Further, the bracket includes an upper mounting plate, a screw and an adjusting plate threadedly engaged with the screw to adjust the supporting height.

Beneficial effects of the utility model: The vibration isolation device for floor construction equipment of the utility model forms a certain gap between the floating plate and the building foundation (ground or other foundation surface) through the cooperation of the main vibration isolator and the auxiliary vibration isolator. , so as to avoid the occurrence of vibration and noise caused by the vibration transmission of the room wall, and improve the comfort of the building; at the same time, the rubber ring of the main vibration isolator is matched with the positioning body and the annular positioning part of the base through a wedge-shaped surface, and through the rubber The shear deformation of the ring can reduce the influence of environmental vibration in all directions, improve the vibration isolation effect, and form an integrated structure of vibration isolation and support for the supporting components, which is not only simple and reliable in structure, easy to use, but also quite compact in structure , greatly reducing the number of connectors used, easy to assemble and disassemble, saving installation time.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model.

detailed description

Fig. 1 is a schematic structural diagram of the utility model, as shown in the figure: the floor construction equipment vibration isolation device of this embodiment includes a floating plate 1 for installing equipment and a gap between the floating plate 1 and the building foundation. The vibration isolation assembly is used to support the floating plate 1 and use it for vibration isolation. The vibration isolation assembly includes a main vibration isolator corresponding to the middle of the floating plate and at least one auxiliary vibration isolator corresponding to the side of the floating plate. The main vibration isolator includes a supporting component and a vibration isolating component for positioning, supporting and isolating the supporting component. The fixed positioning body 5 is formed with an annular positioning part 2-1 on the base 2, and the peripheral annular positioning part 2-1 of the lower end of the housing 3 is fixedly arranged on the base 2, and the rubber ring 4 is built into the annular positioning part 2-1 for positioning. The body 5 is built into the rubber ring 4, and the contact surfaces between the rubber ring 4 and the inner wall of the annular positioning part 2-1 and the outer wall of the positioning body 5 are respectively wedge-shaped surfaces 6; the secondary vibration isolator includes a vibration isolation spring 18 and is composed of The vibrating spring 18 supports and contacts with the side of the floating plate to form a supporting bracket;

The electrical equipment in the building is installed on the floating plate 1, the main vibration isolator and the auxiliary vibration isolator are installed on a base plate 7, and the base plate is installed on the building foundation, of course, the base 2 of the main vibration isolator can also be directly installed On the basis of the building, the building foundation refers to the indoor ground of the building, the installation platform or other floor surfaces. The main vibration isolator installation groove 8 is arranged on the floating plate 1, and the upper part of the main vibration isolator is placed in the installation groove 8. The supporting component is in contact with the floating plate 1 to lift the floating plate 1, and the vibration isolation component supports the supporting component and attenuates the vibration transmitted from the floating plate 1 to the supporting component to achieve the purpose of vibration isolation; vibration isolation The positioning body 5 of the component forms a positioning support for the supporting component. The inner sleeve of the positioning body 5 is in contact with the rubber ring 4. The inner surface of the rubber ring 4 is in wedge-shaped contact with the outer surface of the positioning body 5. The inner sleeve of the rubber ring 4 is positioned in a ring. In part 2-1, the outer surface of rubber ring 4 is in wedge-shaped contact with the inner surface of annular positioning part 2-1. The shear deformation of the rubber ring 4 can be offset to achieve the purpose of vibration isolation; the auxiliary vibration isolator can not only be used in conjunction with the main vibration isolator to support the floating plate, but also improve the stability of the floating plate after being supported .

In this embodiment, the support assembly includes a support rod 9, a support plate 10 that is overlaid on the support rod 9, and a height adjustment member 11 that is threadedly engaged with the support rod 9 to adjust the position of the support plate 10 on the support rod 9; the support plate 10 can be Moving up and down along the supporting rod 9, the height-adjusting part 11 is a height-adjusting nut, and the height of the height-adjusting nut is adjusted through the thread cooperation between the height-adjusting nut and the supporting rod 9, so as to achieve the purpose of adjusting the height of the supporting plate 10, and facilitate the floating plate 1 and the building Adjustment of the gap size between the foundations; the floating plate 1 communicates with the main vibration isolator installation groove 8 and is provided with a through hole 13 into which the upper end of the support rod 9 is inserted, and the floating plate 1 is provided with a dust-proof plug for the through hole Dustproof board 12.

In this embodiment, the support bar 9 is fixedly provided with the lower pressure plate 14 which forms a spherical contact with the outer surface of the upper end of the positioning body 5; On the contact surface, when the downward force from the electrical equipment is transmitted to the support bar 9 through the floating plate 1, and then to the positioning body 5, not only the supporting effect is improved, but also the vibration isolation effect can be further enhanced.

In this embodiment, the contact surface of the support plate 10 and the floating plate 1 is a spherical fit; a good fit is formed to ensure the stability of the floating plate 1 .

In this embodiment, the main vibration isolator also includes a vibration isolation sleeve arranged in the housing 3 and used for radial vibration isolation of the support rod 9. The vibration isolation sleeve includes an outer vibration isolation sleeve 15 and an outer sleeve tightly against the inner wall of the housing 3 The inner vibration isolation sleeve 16 of the support rod 9, the outer vibration isolation sleeve 15 and the inner vibration isolation sleeve 16 form a spherical pair; the inner vibration isolation sleeve 16 and the outer vibration isolation sleeve 15 work together to form a radial package for the support rod 9, which not only fixes the It is stable and reliable, and can form radial vibration reduction for the shaking of the support rod 9, and eliminate the fit gap to avoid eccentric wear.

In this embodiment, the upper end of the rubber ring 4 exposes the annular positioning portion 2-1 to form a protruding portion 4-1, and the inner and outer sides of the protruding portion 4-1 are respectively pressed against the fixed body and the housing 3; the protruding portion 4 -1 sits on the upper end of the annular positioning part 2-1, which has a good transverse vibration isolation effect and is beneficial to the deformation of the rubber ring 4 to attenuate the vibration.

In this embodiment, the positioning body 5 includes a main body part 5-1 and a spherical cap part 5-2 integrally formed with the main body part 5-1. The protruding part 4-1 of the rubber ring 4 is formed with a The seated positioning seat 5 - 3 , and the bottom end of the body part 5 - 1 of the positioning body 5 is higher than the bottom end of the rubber ring 4 to form a deformation space 17 .

In this embodiment, the positioning body 5 is made of rubber material, and the positioning body 5 is provided with a bracket positioning hole, and the inside of the positioning body 5 is provided with a metal reinforcement plate 18 at the position below the positioning hole of the bracket 9; the metal reinforcement plate is corrugated. There are two metal reinforcing plates, which have a certain degree of elasticity and improve the effect of longitudinal vibration isolation.

In this embodiment, the bracket includes an upper mounting plate 19, a screw 20, and an adjusting plate 21 threadedly matched with the screw 20 to adjust the supporting height; the side periphery of the floating plate is provided with a secondary vibration isolator installation groove 23, and forms There is a screw hole 22 connected with the installation groove of the auxiliary vibration isolator, the upper end of the screw can extend into the screw hole, the adjustment plate can be supported on the bottom of the installation groove of the auxiliary vibration isolator, and the vibration isolation spring of the auxiliary vibration isolator passes through the lower mounting plate 22 is installed on the base plate, the upper mounting plate is fixedly connected with the upper end of the vibration isolation spring, and the screw rod is fixedly arranged on the upper mounting plate.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (9)

1. A vibration isolation device for floor construction equipment, characterized in that: it includes a floating plate for installing equipment and the floating plate is supported in such a way that a gap is formed between the floating plate and the building foundation and used for vibration isolation A vibration isolation assembly, the vibration isolation assembly includes a main vibration isolator corresponding to the middle of the floating plate and at least one secondary vibration isolator corresponding to the side of the floating plate; The main vibration isolator includes a supporting component and a vibration isolating component for positioning, supporting and isolating the supporting component. A fixed positioning body, the base is formed with an annular positioning portion, the lower end of the housing is fixed on the base with an annular positioning portion, the rubber ring is built into the annular positioning portion, and the positioning body is embedded in the rubber ring, the contact surfaces of the rubber ring and the inner wall of the annular positioning part and the outer wall of the positioning body are wedge-shaped surfaces respectively; The auxiliary vibration isolator includes a vibration isolation spring and a bracket supported by the vibration isolation spring and contacting with the side of the floating plate to form a support. 2. The vibration isolation device for floor construction equipment according to claim 1, characterized in that: the support assembly includes a support rod, a support plate that is overlaid on the support rod, and is threadedly matched with the support rod to adjust the position of the support plate on the support rod. The height adjustment piece in the upper position. 3 . The vibration isolation device for floor construction equipment according to claim 2 , wherein a lower pressure plate is fixedly arranged on the supporting rod to form a spherical contact with the outer surface of the upper end of the positioning body. 4 . 4. The vibration isolation device for floor construction equipment according to claim 3, characterized in that: the contact surface of the support plate and the floating plate is a spherical fit. 5. The vibration isolation device for floor construction equipment according to claim 4, characterized in that: the main vibration isolator also includes a vibration isolation sleeve arranged in the housing and used for radial vibration isolation of the support rod, and the vibration isolation sleeve The vibration sleeve includes an outer vibration isolation sleeve tightly against the inner wall of the shell and an inner vibration isolation sleeve of the outer support rod, and the outer vibration isolation sleeve and the inner vibration isolation sleeve form a spherical pair fit. 6. The vibration isolation device for floor construction equipment according to any one of claims 1-5, characterized in that: the upper end of the rubber ring exposes the annular positioning part to form a protrusion, and the inner and outer sides of the protrusion are Respectively against the fixed body and the shell. 7. The vibration isolation device for floor construction equipment according to claim 6, characterized in that: the positioning body includes a main body and a spherical cap integrally formed with the main body, and the protruding part of the rubber ring is formed for The spherical crown falls into the positioning seat of the seat, and the bottom end of the body part of the positioning body is higher than the bottom end of the rubber ring to form a deformation space. 8. The vibration isolation device for floor construction equipment according to claim 7, characterized in that: the positioning body is made of rubber material, the positioning body is provided with a positioning hole for the bracket, and the inside of the positioning body is located at the positioning position of the bracket. A metal reinforcing plate is arranged at the position below the hole. 9 . The vibration isolation device for floor construction equipment according to claim 8 , wherein the bracket comprises an upper mounting plate, a screw, and an adjusting plate threadedly engaged with the screw to adjust the supporting height. 10 .