CN103835371A - Nylon rubber seismic isolation support and manufacturing method thereof - Google Patents
Nylon rubber seismic isolation support and manufacturing method thereof Download PDFInfo
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- CN103835371A CN103835371A CN201410096708.1A CN201410096708A CN103835371A CN 103835371 A CN103835371 A CN 103835371A CN 201410096708 A CN201410096708 A CN 201410096708A CN 103835371 A CN103835371 A CN 103835371A
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Abstract
The invention relates to nylon rubber seismic isolation support and a manufacturing method of the nylon rubber seismic isolation support. The nylon rubber seismic isolation support is formed by a support body, an upper sealing steel plate, a lower sealing steel plate and a rubber protective layer in a vulcanization adhering mode, wherein the support body is arranged in the middle, the upper sealing steel plate is arranged on the upper side of the top face of the body, the lower sealing steel plate is arranged on the lower side of the bottom surface of the body, and the side faces around the support body, the upper sealing steel plate and the lower sealing steel plate are coated with the rubber protective layer. The support body is formed by nylon plates, nylon cloth and rubber sheets between the nylon plates and the nylon cloth in an alternately overlapping mode. The topmost layer and the bottommost layer of the support body are ended through overlapping of the rubber sheets. The technical problems that an existing overlapped steel plate rubber seismic isolation support is high in cost, large in support weight and complex in manufacturing technology, and popularization and utilization are not facilitated in middle and lower layer houses are solved.
Description
Technical field
The present invention relates to a kind of architectural vibration-insulation device and preparation method thereof, particularly a kind of nylon rubber shock isolating pedestal and preparation method thereof.
Background technology
In design of building structures, effectively earthquake disaster mitigation of shock isolating pedestal is set.
According to the requirement of national regulation " seismic design provision in building code " (GB 50011-2010), at present China in base isolation, to apply maximum be laminated steel plate rubber earthquake isolation support, it has good shock insulation ability, but its deadweight is large and cost is relatively high, mainly for the heavily loaded design of building structures of high level, be not too applicable in median low structure.Therefore, a kind of cheap for middle low-rise building shock insulation development, isolation property is good, conducts oneself with dignity little, and the bearing of easy construction will be an important topic.
Summary of the invention
The object of this invention is to provide a kind of nylon rubber shock isolating pedestal and preparation method thereof, solve existing laminated steel plate rubber earthquake isolation support cost higher, the large and complex manufacturing technology of bearing quality, is unfavorable for the technical problem of promoting and using at middle low-rise building.
For achieving the above object, the present invention adopts following technical scheme:
A kind of nylon rubber shock isolating pedestal; together to be formed through over cure bonding by the lower envelope steel plate of the upper envelope steel plate of the support body at middle part, the setting of main body end face upside, the downside setting of main body bottom surface and the rubber cover that is coated on support body, upper envelope steel plate and lower envelope steel plate peripheral side; described support body is by the nylon sheet being superimposed, nylon cloth and sheet rubber between the two, and the top layer of support body and the bottom are all with the superimposed end of sheet rubber.
The cross section of described nylon rubber shock isolating pedestal is circle, rectangle or other regular polygon.
The superimposed order of described support body is followed successively by the superimposed successively of sheet rubber, nylon cloth, sheet rubber, nylon sheet, sheet rubber from the bottom to top.
The superimposed order of described support body is followed successively by the superimposed successively of sheet rubber, nylon sheet, sheet rubber, nylon cloth, sheet rubber from the bottom to top.
The thickness of described nylon sheet is 1.7～2.2mm.
The thickness of described nylon cloth is 1.7～2.2mm.
Described upper envelope steel plate and the prepared screw-bolt hole that is respectively equipped with equidistant layout, is fixedly connected with up-down structure on lower envelope steel plate.
The preparation method of this nylon rubber shock isolating pedestal, step is as follows:
Step 6, carries out brush coating processing again to nylon sheet: by all brushing one deck Kai Muluoke 252X adhesives again of the both side surface of nylon sheet, treat that glue-line finish-drying prepares into mould;
Step 7, dress mould: pack rubber cover in mould into, and nylon cloth, nylon sheet and sheet rubber are put into mould by design sequence, steel plate and lower envelope steel plate are sealed in shutoff respectively in upper and lower two ends, then closed mould mould is fixed;
Step 8, sulfuration: under 155 DEG C and 0.55MPa vapour pressure by the bearing molded vulcanization one-shot forming after 120 minutes in mould;
Step 9, prune moulding: after cure time finishes, the bolt in Panasonic's positioning through hole, opening mold takes out bearing, and the bearing vulcanizating is delivered to and between pruning, carried out surface pruning.
Step 10, assembling: according to the requirement of architectural design, use connector by prepared screw-bolt hole, nylon rubber shock isolating pedestal to be assembled, complete the manufacture of a complete set of product.
Glue in described step 3 is RFL, and latex is butadiene-vinylpyridine copylymer latex.
Compared with prior art the present invention has following characteristics and beneficial effect:
It is higher that the present invention has overcome existing laminated steel plate rubber earthquake isolation support cost, and the large and complex manufacturing technology of bearing quality, is unfavorable for the technical problem of promoting and using at middle low-rise building.The present invention adds density compared with the little nylon sheet of steel plate and nylon cloth in support body structure, replaces steel plate quantity, has reduced deadweight and the cost of production of bearing.
Particularly the use of nylon sheet can increase the horizontal rigidity of bearing entirety, can better retrain the horizontal distortion of the upper and lower both sides of nylon sheet sheet rubber, bearing entirety shock insulation energy dissipation capacity is increased, improved vertical rigidity simultaneously, and then improved the vertical bearing capacity of bearing entirety.Bearing rigidity can also adjust to meet by changing the number of plies thickness of nylon cloth, nylon sheet and sheet rubber the shock insulation requirement of median low structure.
In preparation method in the present invention, consider the difference of nylon sheet and nylon cloth material, used respectively different adhesives to carry out boning with sheet rubber.Particularly nylon cloth and nylon sheet, entering before mould all to need, through impregnation and surfacing, to have obtained the cohesive force good with sheet rubber, ensure the making quality of bearing.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the top view of nylon rubber shock isolating pedestal of the present invention.
Fig. 2 is the A-A cross-section structure simplified schematic diagram of Fig. 1.
Fig. 3 is the structural representation of the embodiment of the present invention.
Reference numeral: seal steel plate, 4-rubber cover, 5-prepared screw-bolt hole under 1-support body, 1.1-sheet rubber, 1.2-steel plate, 1.3-nylon sheet, 1.4-nylon cloth, the upper envelope of 2-steel plate, 3-.
Detailed description of the invention
Embodiment as depicted in figs. 1 and 2, describes as circular shock isolating pedestal as example taking bearing shape of cross section, as long as cross section also can be realized object of the present invention for rectangle or other shape certainly.
This nylon rubber shock isolating pedestal; with forming through over cure bonding by the lower envelope steel plate 3 of the upper envelope steel plate 2 of the support body 1 at middle part, the setting of main body end face upside, the downside setting of main body bottom surface and the rubber cover 4 that is coated on support body, upper envelope steel plate and lower envelope steel plate peripheral side; described support body 1 is by the nylon sheet 1.2 being superimposed, nylon cloth 1.3 and sheet rubber between the two 1.1, and the top layer of support body and the bottom are all with the superimposed end of sheet rubber.
The cross section of described nylon rubber shock isolating pedestal is circle, rectangle or other regular polygon.
The superimposed order of described support body 1 is followed successively by the superimposed successively of sheet rubber 1.1, nylon cloth 1.3, sheet rubber 1.1, nylon sheet 1.2, sheet rubber 1.1 from the bottom to top.
The superimposed order of described support body 1 is followed successively by the superimposed successively of sheet rubber 1.1, nylon sheet 1.2, sheet rubber 1.1, nylon cloth 1.3, sheet rubber 1.1 from the bottom to top.
The thickness of described nylon sheet 1.2 is 1.7～2.2mm.
The thickness of described nylon cloth 1.3 is 1.7～2.2mm.
Described upper envelope steel plate 2 and the prepared screw-bolt hole 5 that is respectively equipped with equidistant layout, is fixedly connected with up-down structure on lower envelope steel plate 3.
Shown in Figure 3, the present embodiment is be followed successively by from the bottom to top sheet rubber 1.1, nylon cloth 1.3, sheet rubber 1.1, nylon sheet 1.2, sheet rubber 1.1 superimposed successively.
The nylon rubber shock isolating pedestal diameter D of the present embodiment design is 320mm, high 110mm, totally 35 layers.Wherein nylon cloth 1.3 is 8 layers, every layer thickness 2mm; Nylon sheet 1.2 is 9 layers, every layer thickness 2mm; Rubber layer 1.1 is 18 layers, every layer thickness 3.1mm; The thickness of upper envelope steel plate 2 and lower envelope steel plate 3 is 10mm, and rubber cover 4 thickness are 10mm.
The preparation method of this nylon rubber shock isolating pedestal, making step is as follows:
Step 6, carries out brush coating processing again to nylon sheet: by all brushing one deck Kai Muluoke 252X adhesives again of the both side surface of nylon sheet, treat that glue-line finish-drying prepares into mould;
Step 7, dress mould: pack rubber cover 4 in mould into, and by nylon cloth 1.3, nylon sheet 1.2 and sheet rubber 1.1 by design sequence: the superimposed mould of putting into successively of sheet rubber 1.1, nylon cloth 1.3, sheet rubber 1.1, nylon sheet 1.2, sheet rubber 1.1, steel plate 2 and lower envelope steel plate 3 are sealed in shutoff respectively in upper and lower two ends, then closed mould mould is fixed;
Step 8, sulfuration: under 155 DEG C and 0.55MPa vapour pressure by the bearing molded vulcanization one-shot forming after 120 minutes in mould;
Step 9, prune moulding: after cure time finishes, the bolt in Panasonic's positioning through hole, opening mold takes out bearing, and the bearing vulcanizating is delivered to and between pruning, carried out surface pruning.
Step 10, assembling: according to the requirement of architectural design, use connector by prepared screw-bolt hole, nylon rubber shock isolating pedestal to be assembled, complete the manufacture of a complete set of product.
Glue in the present embodiment in step 3 can be RFL, and latex can be butadiene-vinylpyridine copylymer latex.Nylon cloth need could obtain and the good bonding effect of sheet rubber through dipping process, ensures bonding between nylon cloth and nylon sheet and sheet rubber.Described impregnation refers to glue or latex is impregnated in fabric tissue, makes fabric fibre enclose glue-line.But because formed glue-line is very thin, therefore impregnation is general only as the primary coat processing before calendering rubberizing, to improve the stickiness between sizing material and fabric, follow-uply enter also to need to carry out secondary dipping before mould.Twice brush coating of nylon cloth is also based on very same reason.
The nylon rubber shock isolating pedestal of above-described embodiment; conduct oneself with dignity little; with low cost; isolation property is stable, is the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a nylon rubber shock isolating pedestal; together to be formed through over cure bonding by the support body (1) at middle part, the upper envelope steel plate (2) that main body end face upside arranges, the lower envelope steel plate (3) that main body bottom surface downside arranges and the rubber cover (4) that is coated on support body, upper envelope steel plate and lower envelope steel plate peripheral side; it is characterized in that: described support body (1) is to be superimposed according to the order of sequence by nylon sheet (1.2), nylon cloth (1.3) and sheet rubber between the two (1.1), the top layer of support body and the bottom are all with the superimposed end of sheet rubber.
2. a kind of nylon rubber shock isolating pedestal according to claim 1, is characterized in that: the cross section of described nylon rubber shock isolating pedestal is circle, rectangle or other regular polygon.
3. a kind of nylon rubber shock isolating pedestal according to claim 1 and 2, is characterized in that: the superimposed order of described support body (1) is followed successively by the superimposed successively of sheet rubber (1.1), nylon cloth (1.3), sheet rubber (1.1), nylon sheet (1.2), sheet rubber (1.1) from the bottom to top.
4. a kind of nylon rubber shock isolating pedestal according to claim 1 and 2, is characterized in that: the superimposed order of described support body (1) is followed successively by the superimposed successively of sheet rubber (1.1), nylon sheet (1.2), sheet rubber (1.1), nylon cloth (1.3), sheet rubber (1.1) from the bottom to top.
5. according to a kind of nylon rubber shock isolating pedestal described in claim 1,3 or 4, it is characterized in that: the thickness of described nylon sheet (1.2) is 1.7～2.2mm.
6. according to a kind of nylon rubber shock isolating pedestal described in claim 1,3 or 4, it is characterized in that: the thickness of described nylon cloth (1.3) is 1.7～2.2mm.
7. a kind of nylon rubber shock isolating pedestal according to claim 1 and 2, is characterized in that: the prepared screw-bolt hole (5) that described upper envelope steel plate (2) is respectively equipped with equidistant layout with on lower envelope steel plate (3), is fixedly connected with up-down structure.
8. according to a preparation method for the nylon rubber shock isolating pedestal described in claim 1～7 any one, it is characterized in that, making step is as follows:
Step 1, elastomeric material is prepared: select suitable formula and material, by mixing, produce satisfactory rubber mixedly, be then prepared into half-finished sheet rubber (1.1);
Step 2, nylon cloth and nylon sheet surfacing: behind the surface of use toluene cleaning nylon cloth (1.3) and nylon sheet (1.2), dry;
Step 3, carries out dipping process to nylon cloth: nylon cloth (1.3) is all immersed in glue or latex, make the fiber of nylon cloth enclose glue-line;
Step 4, carries out secondary dipping processing to nylon cloth: nylon cloth (1.3) is immersed in Kai Muluoke 252X adhesive, after glue-line finish-drying, prepare into mould;
Step 5, carries out brush coating processing to nylon sheet: at all brushing one deck Kai Muluoke 205 adhesives of both side surface of nylon sheet (1.2), park half an hour;
Step 6, carries out brush coating processing again to nylon sheet: by all brushing one deck Kai Muluoke 252X adhesives again of the both side surface of nylon sheet (1.2), treat that glue-line finish-drying prepares into mould;
Step 7, dress mould: pack rubber cover (4) in mould into, and nylon cloth (1.3), nylon sheet (1.2) and sheet rubber (1.1) are put into mould by design sequence, steel plate (2) and lower envelope steel plate (3) are sealed in shutoff respectively in upper and lower two ends, then closed mould mould is fixed;
Step 8, sulfuration: under 155 DEG C and 0.55MPa vapour pressure by the bearing molded vulcanization one-shot forming after 120 minutes in mould;
Step 9, prune moulding: after cure time finishes, the bolt in Panasonic's positioning through hole, opening mold takes out bearing, and the bearing vulcanizating is delivered to and between pruning, carried out surface pruning;
Step 10, assembling: according to the requirement of architectural design, use connector by prepared screw-bolt hole, nylon rubber shock isolating pedestal to be assembled, complete the manufacture of a complete set of product.
9. the preparation method of a kind of nylon rubber shock isolating pedestal according to claim 8, is characterized in that: the glue in described step 3 is RFL, and latex is butadiene-vinylpyridine copylymer latex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410096708.1A CN103835371B (en) | 2014-03-17 | 2014-03-17 | The making method of a kind of nylon rubber shock isolating pedestal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410096708.1A CN103835371B (en) | 2014-03-17 | 2014-03-17 | The making method of a kind of nylon rubber shock isolating pedestal |
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| CN103835371A true CN103835371A (en) | 2014-06-04 |
| CN103835371B CN103835371B (en) | 2016-06-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532959A (en) * | 2014-12-09 | 2015-04-22 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
| CN104563293A (en) * | 2014-12-09 | 2015-04-29 | 广州大学 | Bamboo-plastic-fiber composite board/rubber laminated vibration insulation support used for low-rise building and manufacturing method of bamboo-plastic-fiber composite board/rubber laminated vibration insulation support |
| CN107190607A (en) * | 2017-07-05 | 2017-09-22 | 大连伊利诺集团有限公司 | A kind of flexible angle of container and its construction method |
| CN109594654A (en) * | 2018-11-27 | 2019-04-09 | 北京建筑大学 | A kind of lamination conveyer belt support |
| CN114672076A (en) * | 2022-05-30 | 2022-06-28 | 中裕铁信交通科技股份有限公司 | Modified natural rubber and preparation method thereof, and high-bearing capacity rubber bridge damping device and preparation method thereof |
| CN117738945A (en) * | 2024-02-20 | 2024-03-22 | 四川川工泵业有限公司 | Self priming pump mounting structure that vibration/noise reduction was fallen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02217633A (en) * | 1989-02-15 | 1990-08-30 | Showa Electric Wire & Cable Co Ltd | High-damping-performance vibration isolator |
| JPH04120143A (en) * | 1990-09-10 | 1992-04-21 | Showa Electric Wire & Cable Co Ltd | Vibration-damping material |
| CN201362978Y (en) * | 2009-01-20 | 2009-12-16 | 广州大学 | Rubber earthquake-resistant bracket |
| CN101761029A (en) * | 2009-12-11 | 2010-06-30 | 招商局重庆交通科研设计院有限公司 | Sliding lead-core shock absorption and insulation rubber support for bridge |
| CN102720270A (en) * | 2012-06-12 | 2012-10-10 | 北京工业大学 | Fiber-steel plate-rubber combined seismic-insulation support |
| CN102767237A (en) * | 2012-07-04 | 2012-11-07 | 北京工业大学 | Fiber and polytetrafluoroethylene plate rubber combined shock insulation support |
-
2014
- 2014-03-17 CN CN201410096708.1A patent/CN103835371B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02217633A (en) * | 1989-02-15 | 1990-08-30 | Showa Electric Wire & Cable Co Ltd | High-damping-performance vibration isolator |
| JPH04120143A (en) * | 1990-09-10 | 1992-04-21 | Showa Electric Wire & Cable Co Ltd | Vibration-damping material |
| CN201362978Y (en) * | 2009-01-20 | 2009-12-16 | 广州大学 | Rubber earthquake-resistant bracket |
| CN101761029A (en) * | 2009-12-11 | 2010-06-30 | 招商局重庆交通科研设计院有限公司 | Sliding lead-core shock absorption and insulation rubber support for bridge |
| CN102720270A (en) * | 2012-06-12 | 2012-10-10 | 北京工业大学 | Fiber-steel plate-rubber combined seismic-insulation support |
| CN102767237A (en) * | 2012-07-04 | 2012-11-07 | 北京工业大学 | Fiber and polytetrafluoroethylene plate rubber combined shock insulation support |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532959A (en) * | 2014-12-09 | 2015-04-22 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
| CN104563293A (en) * | 2014-12-09 | 2015-04-29 | 广州大学 | Bamboo-plastic-fiber composite board/rubber laminated vibration insulation support used for low-rise building and manufacturing method of bamboo-plastic-fiber composite board/rubber laminated vibration insulation support |
| CN104532959B (en) * | 2014-12-09 | 2017-01-25 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
| CN107190607A (en) * | 2017-07-05 | 2017-09-22 | 大连伊利诺集团有限公司 | A kind of flexible angle of container and its construction method |
| CN109594654A (en) * | 2018-11-27 | 2019-04-09 | 北京建筑大学 | A kind of lamination conveyer belt support |
| CN114672076A (en) * | 2022-05-30 | 2022-06-28 | 中裕铁信交通科技股份有限公司 | Modified natural rubber and preparation method thereof, and high-bearing capacity rubber bridge damping device and preparation method thereof |
| CN114672076B (en) * | 2022-05-30 | 2022-09-20 | 中裕铁信交通科技股份有限公司 | Modified natural rubber and preparation method thereof, and high-bearing-capacity rubber bridge damping device and preparation method thereof |
| CN117738945A (en) * | 2024-02-20 | 2024-03-22 | 四川川工泵业有限公司 | Self priming pump mounting structure that vibration/noise reduction was fallen |
| CN117738945B (en) * | 2024-02-20 | 2024-05-03 | 四川川工泵业有限公司 | Self priming pump mounting structure that vibration/noise reduction was fallen |
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| CN103835371B (en) | 2016-06-01 |
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Address after: 100048 Beijing city Haidian District Road No. 9 Building No. 2 international subject Patentee after: Co., Ltd of China Inst of Architectural Standard Design Address before: 100048 Beijing city Haidian District Road No. 9 Building No. 2 international subject Patentee before: China Inst of Architectural Standard Design |
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