CN220867967U - Support bottom basin capable of damping - Google Patents
Support bottom basin capable of damping Download PDFInfo
- Publication number
- CN220867967U CN220867967U CN202322645509.9U CN202322645509U CN220867967U CN 220867967 U CN220867967 U CN 220867967U CN 202322645509 U CN202322645509 U CN 202322645509U CN 220867967 U CN220867967 U CN 220867967U
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- Prior art keywords
- basin
- vibration reduction
- vibration
- damping
- support
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- 238000013016 damping Methods 0.000 title claims description 50
- 230000009467 reduction Effects 0.000 claims abstract description 62
- 239000002131 composite material Substances 0.000 claims abstract description 50
- 238000007667 floating Methods 0.000 claims abstract description 35
- 229920001971 elastomer Polymers 0.000 claims abstract description 27
- 239000000806 elastomer Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 15
- 238000007906 compression Methods 0.000 abstract description 15
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- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- -1 MC901 Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to the technical field of vibration reduction supports, and aims to solve the problem that the existing vibration reduction support cannot well match bridge vibration reduction requirements in the aspects of rigidity matching, compression displacement, vibration energy absorption capacity, support cost and the like, and provides a vibration reduction support basin which comprises a basin-shaped bottom plate, a composite vibration reduction supporting block and a floating bearing plate, wherein a basin-shaped concave cavity is formed in the basin-shaped bottom plate, a plurality of composite vibration reduction supporting blocks are arranged in the basin-shaped concave cavity, and each composite vibration reduction supporting block comprises a coating elastomer and an elastic telescopic piece, and the elastic telescopic piece is coated in the coating elastomer; the floating bearing plate is positioned in the basin-shaped concave cavity and is arranged at the top of all the composite vibration reduction supporting blocks; the utility model has larger rigidity adjusting range and vertical compression space, good vibration energy absorbing capacity and bearing capacity, better vibration reduction effect, and can adapt to the vibration reduction requirements of supports with various tonnages and reduce the cost.
Description
Technical Field
The utility model relates to the technical field of vibration reduction supports, in particular to a support basin capable of reducing vibration.
Background
At present, national railways and rail transit develop rapidly, a large number of subways and urban suburban railways are built in densely populated areas, noise vibration of the rail transit has a large influence on surrounding residents and precise instruments, at present, the noise problem is solved by adopting measures such as a sound barrier, the vibration problem is solved by adopting measures such as low-vibration steel rails, floating road bed boards and the like, but low-frequency vibration of a beam body is not well isolated, and the threat of the low-frequency vibration on human bodies and precise equipment is larger, so that it is necessary to develop a vibration reduction support capable of reducing the transmission of the vibration of the beam body to piers.
In the prior art, a layer of vibration damping alloy is added in a spherical support to serve as a vibration damping structure, but the vibration damping alloy has high rigidity, small compression displacement and unsatisfactory isolation and energy dissipation of medium-low frequency vibration. Some ball-type supports are added with a rubber layer as a vibration reduction layer, but the open rubber layer has small rigidity and weak bearing capacity, so that the support area is increased or the rubber layer is crushed, and the closed rubber block lacks displacement space, almost has no compression quantity and cannot effectively reduce vibration and consume energy. The added steel spring or steel disc structure dampens the vibration, the stress of the metal piece can be very high, and the damping effect is poor and the energy consumption effect is lower. The plate-type rubber support structure is used for vibration reduction, but the bearing capacity of the plate-type rubber support is only 1/3 of that of a steel support, so that the volume of the support is increased, and the cost is too high. Therefore, the technology cannot well match the vibration reduction requirements of the current urban rail transit in terms of rigidity matching, compression displacement, vibration energy absorption capacity and the like.
Disclosure of utility model
The utility model aims to provide a vibration-damping support basin, which solves the problem that the existing vibration-damping support cannot be well matched with the vibration-damping requirement of a bridge in the aspects of rigidity matching, compression displacement, vibration energy absorbing capacity, support cost and the like.
The utility model is realized by adopting the following technical scheme:
The utility model provides a vibration-damping support basin, which comprises a basin-shaped bottom plate, a composite vibration-damping supporting block and a floating bearing plate, wherein a basin-shaped concave cavity is formed in the basin-shaped bottom plate, a plurality of composite vibration-damping supporting blocks are arranged in the basin-shaped concave cavity, the composite vibration-damping supporting block comprises a cladding elastomer and an elastic telescopic piece, and the elastic telescopic piece is wrapped in the cladding elastomer; the floating bearing plate is positioned in the basin-shaped concave cavity and is arranged at the top of all the composite vibration reduction supporting blocks.
As a preferable technical scheme:
The bottom surface of basin shape sunken cavity has seted up a plurality of recesses, compound damping supporting shoe installs in corresponding recess, the size of recess with compound damping supporting shoe's size looks adaptation.
As a preferable technical scheme:
All the grooves are arranged in an array on the bottom surface of the basin-shaped concave cavity.
As a preferable technical scheme:
The side wall of the basin-shaped bottom plate is provided with an exhaust damping hole, and the exhaust damping hole is used for communicating the basin-shaped concave cavity with the outside of the basin-shaped bottom plate.
As a preferable technical scheme:
The exhaust damping hole is formed in the bottom of the inner side wall of the basin-type bottom plate.
As a preferable technical scheme:
The exhaust damping hole is a horizontal hole.
As a preferable technical scheme:
The cladding elastomer is a nonmetallic elastic material structural member, the elastic expansion piece is a metallic material structural member, and the nonmetallic elastic material structural member and the metallic material structural member are compounded to form the compound vibration reduction supporting block.
As a preferable technical scheme:
The elastic expansion piece adopts a metal spring, and the cladding elastomer and the spring are tightly combined to form a whole.
As a preferable technical scheme:
the elastic expansion element is preferably a disk spring group.
As a preferable technical scheme:
The composite vibration reduction supporting block is in a low cylindrical shape.
As a preferable technical scheme:
and the middle part of the composite vibration reduction supporting block is provided with an adjusting hole.
As a preferable technical scheme:
the adjusting hole is cylindrical and is formed in the center of the composite vibration reduction supporting block.
As a preferable technical scheme:
and a sliding sealing ring is arranged between the outer side wall of the composite vibration reduction supporting block and the inner side wall of the basin-type bottom plate.
As a preferable technical scheme:
The outer side wall of the composite vibration reduction supporting block is provided with a sealing ring groove, the sliding sealing ring is installed in the sealing ring groove, and the sliding sealing ring is in sliding contact with the inner side wall of the basin-type bottom plate.
As a preferable technical scheme:
the lower part of the floating bearing plate is a flat bottom, the bottom surface of the floating bearing plate is in pressure connection with the top surface of the composite vibration reduction supporting block, and the upper part of the floating bearing plate is matched with the upper structure of the support.
As a preferable technical scheme:
The top of the floating bearing plate is provided with a spherical sliding plate.
As a preferable technical scheme:
the floating bearing plate is an aluminum alloy structural member or a nylon structural member.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. The special composite vibration reduction supporting block is designed, the disc springs are wrapped by the special elastic material, and the special composite vibration reduction supporting block has a larger rigidity adjusting range and a vertical compression space than those of a general rubber or steel structure, and the vibration reduction effect is better.
2. The utility model is obviously different from the rubber plate type support, rubber cushion and metal cushion structure in the prior art, the composite vibration reduction support block can be configured in size and quantity according to different tonnages and different rigidity requirements, and has a larger rigidity adjusting range and better vertical compression capacity.
3. The utility model can adapt to the vibration reduction requirements of supports with various tonnages by adjusting the number and arrangement modes of the composite vibration reduction supporting blocks, can reduce the specification number of the composite vibration reduction disc under different rigidities, and is beneficial to reducing the cost.
Drawings
FIG. 1 is a schematic view of a vibration-damped support bowl according to the present utility model.
Fig. 2 is a schematic structural view of a composite vibration damping support block according to the present utility model.
FIG. 3 is a cross-sectional view of a composite vibration damping support block according to the present utility model.
FIG. 4 is a layout of the composite vibration reduction support block of the present utility model in a basin-type floor.
FIG. 5 is a partial schematic view of a floating carrier plate and sliding seal ring in accordance with the present utility model.
Icon: the device comprises a basin-type bottom plate 1, an exhaust damping hole 1-1, a composite vibration reduction supporting block 2, an elastomer coated by 2-1, a disc spring group 2-2, a central adjusting hole 2-3, a sliding sealing ring 3, a floating bearing plate 4, a sealing ring groove 4-1 and a spherical sliding plate 5.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the embodiment provides a vibration-damping support basin, which comprises a basin-shaped bottom plate 1, a composite vibration-damping supporting block 2, a sliding sealing ring 3, a floating bearing plate 4 and a spherical sliding plate 5.
The basin-shaped bottom plate 1 is similar to the basin-shaped support bottom plate in structure, a basin-shaped concave cavity is formed in the middle of the basin-shaped bottom plate 1, and an opening of the basin-shaped concave cavity faces upwards. The bottom of basin-shaped concave cavity is provided with a plurality of recesses, every install in the recess one compound damping supporting shoe 2, the diameter of recess with compound damping supporting shoe 2 bottom is used for spacing tang diameter looks adaptation, compound damping supporting shoe 2 utilizes corresponding recess to fix a position the constraint.
In this embodiment, all the grooves are arranged in an array, so that all the composite vibration damping support blocks 2 are also arranged in an array, for example in a square array or a rectangular array, inside the basin-shaped concave cavity. As shown in fig. 4, all the grooves and the composite vibration reduction support blocks 2 may also be arranged in a hexagonal honeycomb shape. Of course, the present utility model is not limited to the above arrangement layout, and an appropriate arrangement layout is selected according to actual requirements.
One or more exhaust damping holes 1-1 are formed in the bottom of the inner side wall of the basin-type bottom plate 1, the exhaust damping holes 1-1 are horizontal holes, and the size of the exhaust damping holes 1-1 is adjusted according to specific damping requirements. Because the support superstructure need reciprocate in the damping, consequently, the inside air of basin bottom plate 1 can be compressed the lateral wall bottom of basin bottom plate 1 is seted up exhaust damping hole 1-1 can utilize the exhaust resistance to produce certain damping effect, can also prevent simultaneously basin sunk cavity inside ponding.
The composite vibration reduction supporting block 2 is a key core component of the utility model, and the composite vibration reduction supporting block 2 is a low-cylindrical part formed by compounding metal and non-metal elastic materials.
In this embodiment, as shown in fig. 2 and 3, the composite vibration damping supporting block 2 includes a coated elastic body 2-1 made of an elastic damping material, and a belleville spring group 2-2, the coated elastic body 2-1 tightly wraps the belleville spring group 2-2 located in the inner portion thereof, the coated elastic body 2-1 and the belleville spring group 2-2 are tightly combined into a whole, and the expansion and contraction direction of the belleville spring group 2-2 is a vertical direction; the center of the composite vibration reduction supporting block 2 is provided with a cylindrical adjusting center hole 2-3.
The principle of the composite vibration reduction supporting block 2 is as follows: the large bearing capacity of the disc spring group 2-2 is used as a main support, the elastic damping material surrounding the disc spring group is used for absorbing vibration energy, and meanwhile, the inner disc spring group 2-2 is also subjected to corrosion protection; the hollow structure (adjusting center hole 2-3) in the middle of the composite vibration reduction supporting block 2 provides an inward compression space for coating the elastic body 2-1, and the vertical rigidity and damping characteristics of the whole composite vibration reduction supporting block 2 can be changed by changing the diameter of the adjusting center hole 2-3.
The elastic damping material is usually hot vulcanized rubber or cast polyurethane; the number and the size of the internal springs are calculated and selected according to the overall bearing capacity requirement, the rigidity requirement and the compression requirement of the support.
The bottom of the floating bearing plate 4 is a flat bottom, the floating bearing plate 4 is arranged at the top of all the compound vibration reduction supporting blocks 2, the bottom surface of the floating bearing plate 4 is pressed on the top surface of the compound vibration reduction supporting blocks 2, and the floating bearing plate 4 is also accommodated in the basin-shaped concave cavity; the upper part of the floating bearing plate 4 is matched with the upper structure of the support, and can be a spherical support, a rubber basin-type support, a rubber plate-type support, a hinge shaft sliding plate support and the like. The floating bearing plate 4 may be made of steel, but is preferably made of aluminum alloy, and the surface of the aluminum alloy is subjected to hard anodic oxidation and polishing treatment; the floating carrier plate 4 may be made of nylon such as MC901, PA66 or oil-containing PA 6.
The floating bearing plate 4 has the function of uniformly transmitting the pressure of the upper structure of the support to the lower composite vibration reduction supporting block 2, and as the floating bearing plate can float up and down under the action of the pressure, a sliding sealing ring 3 is further arranged between the outer ring of the floating bearing plate 4 and the inner ring of the basin-type bottom plate 1, the sliding sealing ring 3 has the function of ensuring that the floating bearing plate 4 cannot be blocked when vibrating up and down, and can bear the horizontal force of the support, and the sliding sealing ring 3 can be made of rubber, polytetrafluoroethylene, PVC and other materials.
As shown in fig. 5, in order to facilitate the installation of the sliding seal ring 3, a seal ring groove 4-1 is formed in the outer side wall of the floating bearing plate 4, the sliding seal ring 3 is assembled in the seal ring groove 4-1, the outer diameter of the sliding seal ring 3 is the same as the inner diameter of the basin-shaped concave cavity of the basin-shaped bottom plate 1, the inner diameter of the sliding seal ring 3 is the same as the small diameter of the seal ring groove 4-1, and the outer side surface of the sliding seal ring 3 is attached to the inner side wall of the basin-shaped bottom plate 1, so that the sliding seal ring 3 and the inner side wall of the basin-shaped bottom plate are in sliding contact.
The top surface of the floating bearing plate 4 is spherical, a spherical sliding plate groove is formed in the top surface of the floating bearing plate 4, and the spherical sliding plate 5 is installed in the spherical sliding plate groove.
The manufacturing method of the vibration-damping support basin comprises the following steps:
S1: according to the vertical bearing capacity P required by the support and the pressure q of the upper structure, the bearing area of the support is calculated, the groove area of the basin-shaped bottom plate 1 is determined according to the bearing area, the arrangement layout mode of the composite vibration reduction supporting blocks 2 is designed according to the groove area, the composite vibration reduction supporting blocks can be arranged in a hexagonal honeycomb shape or in a crisscross square array, the compression h=P/k of the support is calculated according to the vibration reduction rigidity k of the support, the corresponding disc spring bearing capacity and the combination mode can be calculated according to the compression h of the support and the bearing capacity of the single composite vibration reduction supporting block 2, and when the vertical rigidity is not matched, the diameter of the adjusting center hole 2-3 can be modified to finely adjust the vertical rigidity of the composite vibration reduction supporting block 2.
S2: and (3) loading the disc spring group 2-2 with the pretreated surface into a processing mould coated with the elastomer 2-1, filling corresponding elastomer materials, such as rubber raw rubber, vulcanizing or pouring polyurethane materials, and finally generating the qualified composite vibration reduction supporting block 2.
S3: and (3) manufacturing a cast steel blank according to the designed size, processing the cast steel blank into the shape of the basin-type bottom plate 1, and processing the exhaust damping hole 1-1 according to the requirement.
S4: the composite vibration reduction supporting block 2 is arranged in a groove processed in a basin-shaped concave cavity of the basin-shaped bottom plate 1.
S5: the upper part of the floating bearing plate 4 is processed into a corresponding shape according to the upper structure of the bearing, in this embodiment, a spherical bearing structure is adopted, so that the upper part of the floating bearing plate 4 is processed into a sphere, a sealing ring groove 4-1 is processed on the outer ring of the floating bearing plate 4, then a sliding sealing ring 3 is arranged in the sealing ring groove 4-1, a lubricant is smeared on the periphery of the sliding sealing ring 3, and then the floating bearing plate 4 and the sliding sealing ring 3 are arranged in a basin-shaped bottom plate 1 provided with a composite vibration reduction supporting block 2, thus the vibration reduction bearing basin is formed.
The utility model designs the composite vibration reduction supporting block 2, which not only can use the large bearing force of the disc spring group 2-2 as the main support, but also has larger compression of the disc spring group 2-2; the vibration energy can be absorbed by the cladding elastic body 2-1 surrounded by the disc spring group 2-2, so that the vibration transmitted to the foundation by the beam body is reduced, and the influence on residents around the bridge and precision equipment is reduced; the vertical stiffness and damping characteristics of the entire composite vibration reduction support block 2 can also be changed by changing the size of the adjustment center hole 2-3.
The utility model has larger rigidity adjusting range and vertical compression space, good vibration energy absorbing capacity, strong bearing capacity, no increase of the volume of the support, and suitability for the vibration reduction requirement of the support with various tonnages by changing the specification and the number of the composite vibration reduction disc, thereby being beneficial to reducing the cost of the support. The vibration-damping support basin can well match the vibration-damping requirements of bridges in the aspects of rigidity matching, compression displacement, vibration energy absorption capacity, support cost and the like.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a but support basin of damping which characterized in that:
The composite vibration reduction support block comprises a cladding elastomer and an elastic telescopic piece, wherein the elastic telescopic piece is wrapped in the cladding elastomer; the floating bearing plate is positioned in the basin-shaped concave cavity and is arranged at the top of all the composite vibration reduction supporting blocks.
2. The vibration-damped support bowl of claim 1, wherein:
The bottom surface of basin shape sunken cavity has seted up a plurality of recesses, compound damping supporting shoe installs in corresponding recess, the size of recess with compound damping supporting shoe's size looks adaptation.
3. The vibration-damped support bowl of claim 2, wherein:
All the grooves are arranged in an array on the bottom surface of the basin-shaped concave cavity.
4. The vibration-damped support bowl of claim 1, wherein:
The side wall of the basin-shaped bottom plate is provided with an exhaust damping hole, and the exhaust damping hole is used for communicating the basin-shaped concave cavity with the outside of the basin-shaped bottom plate.
5. The vibration-damped support bowl of claim 1, wherein:
The cladding elastomer is a nonmetallic elastic material structural member, the elastic expansion piece is a metallic material structural member, and the nonmetallic elastic material structural member and the metallic material structural member are compounded to form the compound vibration reduction supporting block.
6. The vibration-damped support bowl of claim 5, wherein:
The elastic expansion piece adopts a metal spring, and the cladding elastomer and the spring are tightly combined to form a whole.
7. The vibration-damped support bowl of claim 5, wherein:
and the middle part of the composite vibration reduction supporting block is provided with an adjusting hole.
8. The vibration-damped support bowl of claim 1, wherein:
and a sliding sealing ring is arranged between the outer side wall of the composite vibration reduction supporting block and the inner side wall of the basin-type bottom plate.
9. The vibration-damped support bowl of claim 8, wherein:
The outer side wall of the composite vibration reduction supporting block is provided with a sealing ring groove, the sliding sealing ring is installed in the sealing ring groove, and the sliding sealing ring is in sliding contact with the inner side wall of the basin-type bottom plate.
10. The vibration-damped support bowl according to any one of claims 1-9, wherein:
the lower part of the floating bearing plate is a flat bottom, the bottom surface of the floating bearing plate is in pressure connection with the top surface of the composite vibration reduction supporting block, and the upper part of the floating bearing plate is matched with the upper structure of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645509.9U CN220867967U (en) | 2023-09-27 | 2023-09-27 | Support bottom basin capable of damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645509.9U CN220867967U (en) | 2023-09-27 | 2023-09-27 | Support bottom basin capable of damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220867967U true CN220867967U (en) | 2024-04-30 |
Family
ID=90816082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322645509.9U Active CN220867967U (en) | 2023-09-27 | 2023-09-27 | Support bottom basin capable of damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220867967U (en) |
-
2023
- 2023-09-27 CN CN202322645509.9U patent/CN220867967U/en active Active
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