AVM heavy pad type vibration reduction table

Abstract

The utility model discloses an AVM heavy pad type vibration reduction table which comprises a bottom plate, a top plate arranged above the bottom plate, a bolt connecting the top plate and the bottom plate and a vibration reduction element arranged between the bottom plate and the top plate, and the vibration reduction element is composed of a plurality of steel wire mesh pads which are arranged in an up-down stacked mode. And a top bolt connected with an external part is arranged on the top plate. By the adoption of the structure, the damping elements arranged between the top plate and the bottom plate are used for absorbing vertical compression and stretching impact force and front, back, left and right impact force in the horizontal direction, the equipment absorbs vibration and impact through the damping elements of the AVM heavy damping table, and therefore vibration of the equipment and vibration of an offshore platform structure and a ship body are achieved; the service conditions of an offshore platform structure and equipment are effectively protected, corresponding amplitude is generated when the equipment works, and due to the fact that a steel wire mesh pad vibration reduction element is arranged in the AVM heavy pad type vibration reduction table, the vibration reduction element can absorb the amplitude generated by the equipment to achieve vibration isolation.

Description

TECHNICAL FIELD

[0001] The utility model relates to an AVM heavy cushion type damping platform, especially an AVM heavy cushion type damping platform with good anti-vibration effect, which is mainly applied to the vibration isolation and impact resistance of gas turbines, steam turbines, compressors and living modules of ship warships or offshore platform equipment. BACKGROUND

[0002] The gas turbines, steam turbines or compressor equipment applied to offshore platforms or FPSOs will be subjected to high and low temperatures, heavy salt mist and ±22.5-degree inclination generated when the ship body sails in the sea, as well as vibration problems caused by additional impact and rotation of the equipment. Currently, offshore platform equipment and shipborne equipment are rigidly connected. When the equipment is rigidly connected with the offshore platform or the ship body, the kinetic energy generated by the rotation of the equipment itself cannot be effectively converted into other forms of energy and released due to the rigid connection mode of the equipment with the platform or the ship body during the long-time operation of the equipment. This kinetic energy often leads to increased vibration and stress between the equipment and the platform or the ship body. Long-time vibration will affect the service life of the offshore platform structure or the ship body and the equipment. SUMMARY

[0003] The utility model solves the technical problem of providing an AVM heavy cushion type damping platform with good anti-vibration effect, which is mainly applied to the vibration isolation and impact resistance of gas turbines, steam turbines, compressors and living modules of ship warships or offshore platform equipment.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: an AVM heavy cushion type damping platform, which is characterized by comprising a bottom plate, a top plate arranged above the bottom plate, a bolt connecting the top plate and the bottom plate, and a damping element arranged between the bottom plate and the top plate. The damping element is composed of a plurality of steel wire mesh pads arranged in layers from top to bottom. The top plate is provided with top bolts connected with external components.

[0005] Preferably, the top plate is provided with a lower mounting plate below the top plate, the bottom surface of the lower mounting plate does not contact the bottom plate in the use state of the AVM heavy cushion type damping platform; the bottom plate is provided with an upper mounting plate above the bottom plate, the top surface of the upper mounting plate does not contact the top plate in the use state of the AVM heavy cushion type damping platform; the damping element is arranged in layers from top to bottom between the bottom plate and the top plate, and the damping element is always in a compressed state in the use state of the AVM heavy cushion type damping platform.

[0006] Preferably, the upper mounting plate is installed on the inner side of the lower mounting plate and close to the damping element.

[0007] Preferably, two lower mounting plates are symmetrically arranged on the top plate with respect to the center of the top plate, two upper mounting plates are symmetrically arranged on the bottom plate with respect to the center of the bottom plate, and the damping elements are arranged in the region enclosed by the two upper mounting plates and the two lower mounting plates.

[0008] Preferably, a limiting guide bolt is arranged on each of the two lower mounting plates and passes through the corresponding lower mounting plate and abuts against the corresponding upper mounting plate, and the distance between the limiting guide bolt and the upper mounting plate is 1-5 mm.

[0009] Preferably, the lower mounting plate is a lower open sleeve structure arranged below the top plate, the upper mounting plate is an upper open sleeve structure arranged above the bottom plate, and the damping elements are arranged in the region enclosed by the upper mounting plate and the lower mounting plate.

[0010] Preferably, the surface of the lower mounting plate opposite to the upper mounting plate is in clearance fit or transition fit with the upper mounting plate.

[0011] Preferably, when the surface of the lower mounting plate opposite to the upper mounting plate is in clearance fit with the upper mounting plate, an elastic element is arranged between the lower mounting plate and the upper mounting plate and is fixedly mounted on the lower mounting plate or the upper mounting plate.

[0012] Preferably, the bottom plate is provided with an upper mounting plate hole for quick positioning of the upper mounting plate, and the bottom of the upper mounting plate is embedded in the upper mounting plate hole; the top plate is provided with a lower mounting plate hole for quick positioning of the lower mounting plate, and the top of the lower mounting plate is glued or welded in the lower mounting plate hole.

[0013] Preferably, the steel wire mesh pad is composed of a plurality of steel wire mesh units arranged side by side.

[0014] A partition plate is arranged between the steel wire mesh pad and the top plate, and a left fly edge and a right fly edge vertically extending downward are arranged on the two sides of the partition plate, respectively, and the left fly edge and the right fly edge abut against the side surface of the corresponding steel wire mesh unit, respectively.

[0015] The utility model discloses the advantages are in: through adopting above -mentioned structure, utilize the damping element that sets up between top plate and bottom plate, absorb from the compression and stretch and horizontal direction front and back left and right impact force that receive, and equipment passes through the damping element of AVM heavy -duty damping platform and absorbs vibration and impact, to realize the vibration of equipment itself and offshore platform structure and ship body, effectively protect offshore platform structure and the use condition of equipment, and the corresponding amplitude is produced when equipment works, because AVM heavy -duty pad -type damping platform internally arranged steel wire mesh pad damping element, and damping element will absorb the amplitude of equipment and realize isolation. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be described further in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 It is the front view of a kind of AVM heavy pad type damping platform of the utility model.

[0018] Figure 2 It is the left view of a kind of AVM heavy pad type damping platform of the utility model.

[0019] Figure 3 It is the plan view of a kind of AVM heavy pad type damping platform of the utility model.

[0020] Figure 4 It is the structure diagram of the partition part in a kind of AVM heavy pad type damping platform of the utility model.

[0021] In the drawing: 1-bottom plate, 2-top plate, 3-bolt, 4-damping element, 5-top bolt, 6-lower mounting plate, 7-upper mounting plate, 8-limiting guide bolt, 9-elastic element, 10-partition, 11-left flash, 12-right flash. Specific embodiments

[0022] The AVM heavy pad type damping platform of the utility model includes bottom plate 1, top plate 2 being arranged above bottom plate 1, bolt 3 being connected between top plate 2 and bottom plate 1, damping element 4 being arranged between bottom plate 1 and top plate 2, damping element 4 is composed of several steel wire mesh pads being arranged in layers from top to bottom, and top bolt 5 being arranged on top plate 2 and connected with external components.By using the above structure, the compression and stretching from vertical direction and the impact force from horizontal direction are absorbed by using damping element 4 arranged between top plate 2 and bottom plate 1, and the vibration and impact of equipment are absorbed by damping element 4 of AVM heavy damping platform, so as to realize the vibration of equipment itself and offshore platform structure and ship body, effectively protect the use condition of offshore platform structure and equipment, and generate corresponding amplitude when equipment works, because steel wire mesh pad damping element 4 is arranged inside AVM heavy pad type damping platform, damping element 4 can absorb the amplitude generated by equipment to realize vibration isolation.

[0023] The above-mentioned top plate 2 is provided with lower mounting plate 6 below top plate 2, the bottom surface of lower mounting plate 6 does not contact bottom plate 1 in the use state of AVM heavy pad type damping platform;Top plate 1 is provided with upper mounting plate 7 above bottom plate 1, the top surface of upper mounting plate 7 does not contact top plate 2 in the use state of AVM heavy pad type damping platform;Damping element 4 is arranged in layers from top to bottom between bottom plate 1 and top plate 2, and damping element 4 is always in compressed state in the use state of AVM heavy pad type damping platform. Upper mounting plate 7 is installed on the inner side of lower mounting plate 6 and close to damping element 4.

[0024] The upper mounting plate 7 and the lower mounting plate 6 are of a plate type and a sleeve type.

[0025] When the sleeve type structure is adopted: the lower mounting plate 6 is a sleeve-shaped structure with a lower opening arranged below the top plate 2, the upper mounting plate 7 is a sleeve-shaped structure with an upper opening arranged above the bottom plate 1, and the damping element 4 is located in the region enclosed by the upper mounting plate 7 and the lower mounting plate 6.

[0026] The surface of the lower mounting plate 6 opposite to the upper mounting plate 7 is matched with the upper mounting plate 7 by a gap or a transition fit.

[0027] In order to ensure the quick installation of the upper mounting plate 7 and the lower mounting plate 6, the bottom plate 1 is provided with an upper mounting plate hole for quick positioning of the upper mounting plate 7, and the bottom of the upper mounting plate 7 is embedded in the upper mounting plate hole; the top plate 2 is provided with a lower mounting plate hole for quick positioning of the lower mounting plate 6, and the top of the lower mounting plate 6 is glued or welded in the lower mounting plate hole.

[0028] The steel wire mesh mat of the utility model is composed of a plurality of steel wire mesh units arranged side by side. The steel wire mesh mat is provided with a partition plate 10 between the top plate 2, the left fly edge 11 and the right fly edge 12 of the partition plate 10 are respectively arranged on the two sides of the partition plate 10 and extend vertically downward, and the left fly edge 11 and the right fly edge 12 are respectively arranged on the side surface of the corresponding steel wire mesh unit.

[0029] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An AVM heavy-duty cushion-type vibration damping platform, characterized by: The AVM heavy-duty pad-type vibration damping platform includes a base plate, a top plate arranged above the base plate, bolts connecting the top plate and the base plate, and a vibration damping element arranged between the base plate and the top plate. The vibration damping element is composed of several steel mesh pads stacked up and down, and a top bolt connected to an external component is provided on the top plate.

2. The AVM heavy-duty pad-type vibration damping platform according to claim 1, characterized in that: The top plate is provided with a lower mounting plate located below the top plate, and the bottom surface of the lower mounting plate does not contact the bottom plate when the AVM heavy-duty pad type vibration isolating platform is in use; the bottom plate is provided with an upper mounting plate located above the bottom plate, and the top surface of the upper mounting plate does not contact the top plate when the AVM heavy-duty pad type vibration isolating platform is in use; the vibration-damping elements are stacked and laid flat between the bottom plate and the top plate, and the vibration-damping elements are always in a compressed state when the AVM heavy-duty pad type vibration isolating platform is in use.

3. The AVM heavy-duty pad-type vibration damping platform according to claim 2, characterized in that: The upper mounting plate is mounted on the inner side of the lower mounting plate and is close to the vibration-damping element.

4. The AVM heavy-duty pad-type vibration damping platform according to claim 2, characterized in that: Two lower mounting plates are symmetrically arranged on the top plate at the center of the top plate, two upper mounting plates are symmetrically arranged on the bottom plate at the center of the bottom plate, and the vibration damping element is located in the area enclosed by the two upper mounting plates and the two lower mounting plates.

5. The AVM heavy-duty pad-type vibration damping platform according to claim 4, characterized in that: Both lower mounting plates are provided with position limiting guide bolts which pass through the corresponding lower mounting plates and are close to the corresponding upper mounting plates. The distance between the position limiting guide bolts and the upper mounting plates is 1-5 mm.

6. The AVM heavy-duty pad-type vibration damping platform according to claim 2, characterized in that: The lower mounting plate is a sleeve-shaped structure with a lower opening arranged below the top plate, the upper mounting plate is a sleeve-shaped structure with an upper opening arranged above the bottom plate, and the vibration damping element is located in the area enclosed by the upper mounting plate and the lower mounting plate.

7. The AVM heavy-duty pad-type vibration damping platform according to claim 4 or 6, characterized in that: A clearance fit or a transition fit is adopted between the surface of the lower mounting plate and the upper mounting plate that faces the upper mounting plate.

8. The AVM heavy-duty pad-type vibration damping platform according to claim 7, characterized in that: When a clearance fit is adopted between the upper mounting plate and the surface of the lower mounting plate facing the upper mounting plate, an elastic element fixedly mounted on the lower mounting plate or the upper mounting plate is provided between the lower mounting plate and the upper mounting plate.

9. The AVM heavy-duty pad-type vibration damping platform according to claim 2, characterized in that: The bottom plate is provided with an upper mounting plate hole for quick positioning of the upper mounting plate, and the bottom of the upper mounting plate is embedded in the upper mounting plate hole; the top plate is provided with a lower mounting plate hole for quick positioning of the lower mounting plate, and the top of the lower mounting plate is glued or welded in the lower mounting plate hole.

10. The AVM heavy-duty pad-type vibration damping platform according to claim 1, characterized in that: The wire mesh mat is composed of a plurality of wire mesh units arranged side by side; A partition is provided between the wire mesh pad and the top plate, and both sides of the partition are respectively provided with a left fin and a right fin extending vertically downward, and the left fin and the right fin respectively abut against the side surfaces of the corresponding wire mesh unit.

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