CN202401391U - Microporo pressure-bearing rubber block for pot type rubber support - Google Patents
Microporo pressure-bearing rubber block for pot type rubber support Download PDFInfo
- Publication number
- CN202401391U CN202401391U CN201120473481XU CN201120473481U CN202401391U CN 202401391 U CN202401391 U CN 202401391U CN 201120473481X U CN201120473481X U CN 201120473481XU CN 201120473481 U CN201120473481 U CN 201120473481U CN 202401391 U CN202401391 U CN 202401391U
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- China
- Prior art keywords
- rubber
- bearing
- pressure
- pot
- elastomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a micropore pressure-bearing rubber block for a pot type rubber support, which comprises a support base pot and a rubber elastomer arranged in the support base pot, wherein the rubber elastomer has closed surface and internal micropores. The elastic deformation of the micropore pressure-bearing rubber block is realized by mainly using the deformation of micropore structure in the process of compression, after five million times of vertical large-load fatigue tests, the change in the vertical rigidity of the pressure-bearing rubber block is small, and the residual deformation is less than 10%. While the vertical compression displacement of the pot type rubber support is increased, the service life is also prolonged.
Description
Technical field
The utility model belongs to the bridge pad field, particularly relates to a kind of pot rubber bearing with micropore pressure-bearing block rubber.
Background technology
The conventional pressure-bearing block rubber that existing pot rubber bearing uses generally is to adopt natural rubber, neoprene and ethylene propylene diene rubber to place basin at the bottom of the bearing as elastomer rubber.Because the pressure-bearing block rubber in the pot rubber bearing is at the bottom of the airtight bearing in the basin, block rubber does not have volume expansion space freely, and the vertical compression displacement of block rubber is little.Therefore, under the situation of the higher vertical compression displacement of needs, general pressure-bearing block rubber can not reach this requirement.
The utility model content
The utility model has overcome shortcoming of the prior art, provides a kind of pot rubber bearing with micropore pressure-bearing block rubber, has higher vertical compression displacement and good ageing-resistant performance.
The technical scheme of the utility model is: a kind of pot rubber bearing is with micropore pressure-bearing block rubber, comprises basin at the bottom of the bearing and the elastomer rubber that places basin at the bottom of the bearing, and said elastomer rubber has confining surface and internal capillary.
Said elastomer rubber is an ethylene propylene diene rubber.
Said elastomer rubber is a polyurethane.
Said elastomer rubber is a natural rubber.
Said elastomer rubber is a neoprene.
Compared with prior art; The utility model has the advantages that: the utility model is mainly realized elastic deformation through the distortion of micropore shape structure in compression process; After 5,000,000 vertical big load fatigue tests, pressure-bearing block rubber vertical rigidity changes little, and permanent set is less than 10%.When improving the vertical compression displacement of pot rubber bearing, also significantly prolong application life.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model.
The specific embodiment
A kind of pot rubber bearing is with micropore pressure-bearing block rubber; Comprise basin at the bottom of the bearing and the elastomer rubber that places basin at the bottom of the bearing; As shown in Figure 1; Elastomer rubber 1 is a kind of vibration damping micropore pressure-bearing block rubber, is that the elastic body (like polyurethane, natural rubber, neoprene etc.) of a kind of ethylene propylene diene rubber or equal usefulness is made through microporous foam, has confining surface 2 and internal capillary 3.
Claims (5)
1. a pot rubber bearing is with micropore pressure-bearing block rubber, comprises basin at the bottom of the bearing and the elastomer rubber that places basin at the bottom of the bearing, and it is characterized in that: said elastomer rubber has confining surface and internal capillary.
2. pot rubber bearing according to claim 1 is characterized in that with micropore pressure-bearing block rubber: said elastomer rubber is an ethylene propylene diene rubber.
3. pot rubber bearing according to claim 1 is characterized in that with micropore pressure-bearing block rubber: said elastomer rubber is a polyurethane.
4. pot rubber bearing according to claim 1 is characterized in that with micropore pressure-bearing block rubber: said elastomer rubber is a natural rubber.
5. pot rubber bearing according to claim 1 is characterized in that with micropore pressure-bearing block rubber: said elastomer rubber is a neoprene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120473481XU CN202401391U (en) | 2011-11-24 | 2011-11-24 | Microporo pressure-bearing rubber block for pot type rubber support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120473481XU CN202401391U (en) | 2011-11-24 | 2011-11-24 | Microporo pressure-bearing rubber block for pot type rubber support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202401391U true CN202401391U (en) | 2012-08-29 |
Family
ID=46699045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120473481XU Expired - Lifetime CN202401391U (en) | 2011-11-24 | 2011-11-24 | Microporo pressure-bearing rubber block for pot type rubber support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202401391U (en) |
-
2011
- 2011-11-24 CN CN201120473481XU patent/CN202401391U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
|
| CX01 | Expiry of patent term |