CN205775816U - Rubber assembly in sliding bearing and sliding bearing - Google Patents
Rubber assembly in sliding bearing and sliding bearing Download PDFInfo
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- CN205775816U CN205775816U CN201620469998.4U CN201620469998U CN205775816U CN 205775816 U CN205775816 U CN 205775816U CN 201620469998 U CN201620469998 U CN 201620469998U CN 205775816 U CN205775816 U CN 205775816U
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- steel plate
- sliding bearing
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Abstract
Rubber assembly in sliding bearing, including rubber blanket, rubber blanket has the stiffened steel plates that Spaced is arranged, steel plate bottom the bottom sulfuration connection of rubber blanket, it is characterized in that described rubber blanket top sulfuration Connection Card channel-section steel plate, the end face of described draw-in groove steel plate has draw-in groove, and planar lasting board is embedded in draw-in groove, the end face of described planar lasting board exceeds draw-in groove steel plate end face 2 3mm, and planar lasting board is made up of thermoplastic polyester composition.The rubber assembly in sliding bearing that this utility model provides is high temperature resistant, good stability.This utility model also provides for a kind of sliding bearing.
Description
Technical field
What this utility model related to using in bridge pad subtracts isolation mounting, and particularly to a kind of rubber assembly in sliding bearing, this utility model further relates to a kind of sliding bearing.
Background technology
For freely-supported or the multispan Continuous Bridge of Mid and minor spans, method most economical, effective is to use shock insulation rubber bearing, it usually needs arrange sliding bearing on a pier or multiple pier.Presently used sliding bearing includes that upper bracket plate, pressure-bearing rubber slab and base plate, upper bracket plate bottom surface are provided with the friction pair that the wearing plate of rustless steel slide plate and pressure-bearing rubber slab end face is constituted.When not having geological process, sliding bearing is ensureing while superstructure vertical bearing capacity effect, need to adapt to beam body due to brake force, temperature, the contraction of concrete, creep and additional internal force that load action etc. causes and horizontal displacement.During earthquake, between the friction pair of sliding bearing, quick sliding will cause sliding position temperature to steeply rise, produce a large amount of frictional heat, this just requires that wearable plate material has good heat resistance, otherwise material will occur plastic deformation, thus anti-bearing capacity and the anti-wear performance of wearing plate is greatly reduced, then produce potential safety hazard.At present, the most frequently used wearing plate material of sliding bearing mainly has polytetrafluoroethylene (PTFE) and ultra-high molecular weight polyethylene (UHMWPE), and both wearing plates all exist certain defect when high temperature.As PTFE wearing plate exists the creep of " cold flow ", when high temperature, this phenomenon becomes apparent from, and its structure comprcssive strength also can be restricted, and anti-wear performance is inadequate, poor heat resistance.UHMWPE wearing plate its mechanical strength under high-temperature can decay rapidly, and thermostability and creep-resistant property are poor, and dimensional contraction rate is relatively big, limits its scope of application.
Utility model content
This utility model is poor for the wearing plate heat resistance in sliding bearing, under high temperature, comprcssive strength is limited, mechanical strength declines, and the defect that pressure-bearing rubber slab is the highest with the operating reliability of wearing plate sulfuration Joining Technology, it is provided that a kind of high temperature resistant, rubber assembly in sliding bearing of good stability.This utility model also provides for a kind of sliding bearing.
For reaching above-mentioned purpose the technical solution adopted in the utility model it is: the rubber assembly in sliding bearing, including rubber blanket, rubber blanket has the stiffened steel plates that Spaced is arranged, steel plate bottom the bottom sulfuration connection of rubber blanket, it is characterized in that described rubber blanket top sulfuration Connection Card channel-section steel plate, the end face of described draw-in groove steel plate has draw-in groove, planar lasting board is embedded in draw-in groove, the end face of described planar lasting board exceeds draw-in groove steel plate end face 2-3mm, and planar lasting board is made up of thermoplastic polyester composition.
Preferably, described draw-in groove is the single rectangular recess being arranged on draw-in groove steel plate end face, and described planar lasting board is the single rectangle wearing plate corresponding with draw-in groove, and planar lasting board embeds the part of draw-in groove and the die cavity bonding connection of draw-in groove.
Preferably, described draw-in groove is the little groove of circle being arranged on draw-in groove steel plate end face, described draw-in groove is distributed at end face rectangular array or the annular array of draw-in groove steel plate, the little wearing plate of circle that described planar lasting board is corresponding with draw-in groove, planar lasting board embeds the part of draw-in groove and the die cavity bonding connection of draw-in groove.
Preferably, described planar lasting board has oil storage tank.
Sliding bearing, including including upper bracket plate, rubber assembly and lower support plate from top to bottom, upper bracket plate bottom surface attaches corrosion resistant plate, lower support plate is bolted with rubber assembly, it is characterized in that described rubber assembly is above-described rubber assembly in sliding bearing, the described planar lasting board in rubber assembly forms sliding friction pair with corrosion resistant plate, and the bottom steel plate in rubber assembly is bolted to connection with lower support plate.
The beneficial effects of the utility model are:
1, the rubber assembly in sliding bearing in this utility model, the top sulfuration Connection Card channel-section steel plate of rubber blanket, planar lasting board is inlayed on draw-in groove steel plate, planar lasting board is made up of thermoplastic polyester composition, the performance that fabulous weatherability, wearability and the mechanical performance utilizing thermoplastic polyester composition makes planar lasting board have high temperature resistant a, high abrasion and height vertically carries, planar lasting board stability under the high temperature conditions is high, the thermal deformation avoiding planar lasting board is excessive, and the service life of planar lasting board is longer.
2, during planar lasting board is embedded in the draw-in groove of draw-in groove steel plate, planar lasting board is simpler with the attachment structure of rubber blanket, avoid planar lasting board directly to vulcanize with the colloid of rubber blanket to be connected, be connected with the colloid sulfuration of rubber blanket with draw-in groove steel plate, reduce the technology difficulty that rubber assembly makes.
3, sliding bearing of the present utility model, the planar lasting board that thermoplastic polyester composition is made and impermeable steel plate form sliding friction pair, and planar lasting board has high temperature resistant, the feature of good stability, and the service life making bearing is longer, safety and reliability are higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rubber assembly in embodiment one.
Fig. 2 is the enlarged diagram in Fig. 1 at A.
Fig. 3 is the structural representation of draw-in groove steel plate in embodiment one.
Fig. 4 is the structural representation of the rubber assembly in example example two.
Fig. 5 is the structural representation of draw-in groove steel plate in embodiment two.
Fig. 6 is the structural representation of sliding bearing.
Detailed description of the invention
Embodiment of the present utility model is elaborated by 1-5 below in conjunction with the accompanying drawings.
Embodiment one:
As shown in the figure, rubber assembly in sliding bearing, including rubber blanket 1, rubber blanket 1 has the stiffened steel plates 11 that Spaced is arranged, steel plate 2 bottom the bottom sulfuration connection of rubber blanket 1, described rubber blanket 1 top sulfuration Connection Card channel-section steel plate 3, the end face of described draw-in groove steel plate 3 has draw-in groove 31, planar lasting board 4 is embedded in draw-in groove 31, and the end face of described planar lasting board 4 exceeds draw-in groove steel plate 3 end face 2-3mm, and planar lasting board 4 is made up of thermoplastic polyester composition.Described draw-in groove 31 is the single rectangular recess being arranged on draw-in groove steel plate 3 end face, and described planar lasting board 4 is the single rectangle wearing plate corresponding with draw-in groove 31, and planar lasting board 4 embeds the part of draw-in groove 31 and the die cavity bonding connection of draw-in groove 31.On described planar lasting board 4, there is oil storage tank 41.
Can be seen that from Fig. 1 and Fig. 3, the draw-in groove 31 of draw-in groove steel plate 3 end face is single rectangular recess, planar lasting board 4 is single rectangle wearing plate, use the draw-in groove steel plate of this structure, the bearing area of wearing plate can be increased, described rubber assembly is arranged time sliding bearing uses as pressure-bearing rubber slab, the bearing area of sliding bearing can be increased, thus reduce the global design size of sliding bearing.
Embodiment two:
It is with the difference of embodiment one, described draw-in groove 31 is the little groove of circle being arranged on draw-in groove steel plate 3 end face, described draw-in groove 31 is distributed at end face rectangular array or the annular array of draw-in groove steel plate 3, the little wearing plate of circle that described planar lasting board 4 is corresponding with draw-in groove 31.
From Fig. 4 and Fig. 5 it will be seen that the draw-in groove 31 of draw-in groove steel plate 3 end face is circular little groove, draw-in groove 31 is distributed at the end face rectangular array of draw-in groove steel plate 3, and planar lasting board 4 is that circular little wearing plate is corresponding with the shape of draw-in groove 31.Use this structure, planar lasting board 4 forming technology is simpler, the planar lasting board 4 of little area is inlayed and is bonded in the draw-in groove 31 of little area, makes planar lasting board 4 stability at high temperature more preferable, and the structural integrity between planar lasting board 4 and draw-in groove 31 is more preferably.
The rubber assembly in sliding bearing in both examples above, stiffened steel plates 11 strengthens the load-carrying properties of rubber blanket 1, the top sulfuration Connection Card channel-section steel plate 3 of rubber blanket 1, draw-in groove 31 on draw-in groove steel plate 3 is inlayed and is bondd planar lasting board 4, structural integrity between draw-in groove steel plate 3 and planar lasting board 4 is strong, prevent planar lasting board 4 from accidentally slipping out, planar lasting board 4 is made up of thermoplastic polyester composition, utilize the fabulous weatherability of thermoplastic polyester composition, it is high temperature resistant that wearability and mechanical performance make planar lasting board have, the performance that high abrasion and height vertically carry, planar lasting board stability under the high temperature conditions is high, the thermal deformation avoiding planar lasting board is excessive, the service life of planar lasting board is longer.
Sliding bearing, including including upper bracket plate 5, rubber assembly and lower support plate 6 from top to bottom, upper bracket plate 5 bottom surface attaches corrosion resistant plate 51, lower support plate 6 is bolted with rubber assembly, described rubber assembly is above-described rubber assembly in sliding bearing, planar lasting board 4 in described rubber assembly forms sliding friction pair with corrosion resistant plate 51, and the bottom steel plate 2 in rubber assembly is bolted to connection with lower support plate 6.
When assembling above-mentioned sliding bearing, first the oil storage tank 41 on the planar lasting board 4 of rubber assembly smears grease of silicone fluid, to reduce the coefficient of friction between planar lasting board 4 and corrosion resistant plate 51.
Above-described sliding bearing, the planar lasting board that thermoplastic polyester composition is made and impermeable steel plate form sliding friction pair, and planar lasting board has high temperature resistant, the feature of good stability, and the service life making bearing is longer, safety and reliability are higher.
Above in association with accompanying drawing, the technical scheme of embodiment of the present utility model is completely described, it should be noted that described embodiment is only a part of embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.
Claims (5)
1. the rubber assembly in sliding bearing, including rubber blanket (1), rubber blanket (1) has the stiffened steel plates (11) that Spaced is arranged, steel plate (2) bottom the bottom sulfuration connection of rubber blanket (1), it is characterized in that described rubber blanket (1) top sulfuration Connection Card channel-section steel plate (3), the end face of described draw-in groove steel plate (3) has draw-in groove (31), planar lasting board (4) is embedded in draw-in groove (31), the end face of described planar lasting board (4) exceeds draw-in groove steel plate (3) end face 2-3mm, planar lasting board (4) is made up of thermoplastic polyester composition.
Rubber assembly in sliding bearing the most according to claim 1, it is characterized in that described draw-in groove (31) is the single rectangular recess being arranged on draw-in groove steel plate (3) end face, described planar lasting board (4) is the single rectangle wearing plate corresponding with draw-in groove (31), and planar lasting board (4) embeds the part of draw-in groove (31) and the die cavity bonding connection of draw-in groove (31).
Rubber assembly in sliding bearing the most according to claim 1, it is characterized in that described draw-in groove (31) is the little groove of circle being arranged on draw-in groove steel plate (3) end face, described draw-in groove (31) is distributed at end face rectangular array or the annular array of draw-in groove steel plate (3), described planar lasting board (4) is the circle little wearing plate corresponding with draw-in groove (31), and planar lasting board (4) embeds the part of draw-in groove (31) and the die cavity bonding connection of draw-in groove (31).
4. according to the rubber assembly in the sliding bearing described in claim 2 or claim 3, it is characterised in that on described planar lasting board (4), there is oil storage tank (41).
5. sliding bearing, including including upper bracket plate (5), rubber assembly and lower support plate (6) from top to bottom, upper bracket plate (5) bottom surface attaches corrosion resistant plate (51), lower support plate (6) is bolted with rubber assembly, it is characterized in that described rubber assembly is that claim 1 is to the rubber assembly in sliding bearing described in any one of claim 4, planar lasting board (4) in described rubber assembly forms sliding friction pair with corrosion resistant plate (51), and the bottom steel plate (2) in rubber assembly is bolted to connection with lower support plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620469998.4U CN205775816U (en) | 2016-05-23 | 2016-05-23 | Rubber assembly in sliding bearing and sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620469998.4U CN205775816U (en) | 2016-05-23 | 2016-05-23 | Rubber assembly in sliding bearing and sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205775816U true CN205775816U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620469998.4U Active CN205775816U (en) | 2016-05-23 | 2016-05-23 | Rubber assembly in sliding bearing and sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205775816U (en) |
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2016
- 2016-05-23 CN CN201620469998.4U patent/CN205775816U/en active Active
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| GR01 | Patent grant |