CN113006309A - High-fatigue three-dimensional vibration and vibration double-control device - Google Patents
High-fatigue three-dimensional vibration and vibration double-control device Download PDFInfo
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- CN113006309A CN113006309A CN202110442655.4A CN202110442655A CN113006309A CN 113006309 A CN113006309 A CN 113006309A CN 202110442655 A CN202110442655 A CN 202110442655A CN 113006309 A CN113006309 A CN 113006309A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
Abstract
The invention relates to a high-fatigue three-dimensional vibration and vibration double control device which is suitable for vibration prevention and vibration isolation of a subway upper cover building; the vibration isolation device comprises a tandem combination of a laminated rubber support and a vertical vibration isolation device; the laminated rubber support is formed by alternately laminating a layer of steel plate and a layer of rubber and then molding; the vertical vibration isolation device is formed by overlapping single-layer rubber or multiple layers of rubber and steel plates or integrally vulcanizing a rubber damping element, a steel bar and a steel cylinder; the vertical vibration isolation and horizontal vibration isolation of the three-dimensional vibration isolation (vibration) device are mutually decoupled, the rubber material is high-fatigue rubber, the using condition of a subway upper cover building is better met, and meanwhile, the device is excellent in quality, good in vibration isolation effect and low in cost.
Description
Technical Field
The invention relates to the technical field of vibration isolation, in particular to a high-fatigue three-dimensional vibration isolation double control device suitable for vibration isolation and shock isolation of a subway upper cover building.
Background
The building shock insulation technology is rapidly developed since the advent, the shock insulation effect of the building shock insulation technology is approved by expert and scholars in the field of domestic and foreign building shock insulation after multiple earthquake verification, in China, the building shock insulation technology is rapidly developed, and currently, demonstration projects such as Kunming Youshan airport, Beijing Daxing airport and the like exist, but the building shock insulation technology is mainly considered to isolate horizontal earthquakes during design, and a shock insulation support basically has no shock insulation effect in the vertical direction.
The promotion of urbanization makes urban traffic pressure increase steeply, and urban rail transit's development becomes inevitable, and simultaneously, urban land is nervous day by day makes track land along the line unavoidable, along with the improvement of people to building travelling comfort requirement and the required precision of some precision instruments for subway, the vertical vibration isolation demand of building along the line of high-speed railway is prominent day by day.
The national standard makes clear requirements on indoor vibration limit levels of different types of buildings along the rail transit, and the vibration isolation effect brought by the current rail vibration isolation technology and building vibration isolation supports cannot meet the requirements of the national standard.
The related patent that discloses at present, its device adopts the spring to carry out vertical vibration isolation more, and the cost is higher than rubber, is unfavorable for popularizing and applying.
The vibration frequency caused by the subway is mainly concentrated at 10-80 Hz, under the condition, the requirement on the fatigue performance of the vibration isolation device is high, and the working condition environment of the building vibration isolation rubber support is basically in a static state, so that the requirement on the fatigue performance is relatively low. With the development of society, some vibration isolation rubber supports for buildings are also adopted in certain vibration environments, such as roads, railways and subways, which are all in long-term vibration environments. The change of the use environment changes the requirements of the performance of the shock insulation rubber support of the building. The vibration can cause fatigue failure of the rubber, and the fatigue failure affects the safe use of the rubber product. The high-fatigue rubber is developed, so that the service life of the shock insulation rubber support under the vibration environment can be prolonged, and the use safety of the shock insulation rubber support in the vibration environment is improved.
The bridge rubber support is in the working condition of vertical compression vibration for a long time, so the requirement on fatigue performance is relatively high, the rubber with better fatigue resistance applied to the bridge support is less at present, and the replacement cost is higher after the bridge shock insulation rubber support is damaged. The application of the fatigue-resistant rubber can greatly prolong the service life of the bridge shock insulation rubber support and the use safety.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-fatigue three-dimensional vibration and vibration dual-control device, the three-dimensional vibration isolation (vibration) device has the advantages that the vertical vibration isolation and the horizontal vibration isolation are mutually decoupled, the rubber material is high-fatigue rubber, the use condition of a subway upper cover building is better met, and meanwhile, the device has excellent quality, good vibration isolation (vibration) effect and low cost.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high-fatigue three-dimensional vibration and vibration double-control device comprises a laminated rubber support and a vertical vibration isolation device which are connected in series and combined.
Furthermore, the laminated rubber support is formed by alternately laminating a layer of steel plate and a layer of rubber and then molding.
Further, the vertical vibration isolation device is formed by overlapping single-layer rubber or multiple layers of rubber and steel plates.
Further, the vertical vibration isolation device is formed by integrally vulcanizing a rubber damping element, a steel bar and a steel cylinder.
Further, the periphery of the laminated rubber support is wrapped with protective rubber.
Furthermore, the upper end and the lower end of the laminated rubber support are provided with connecting plates, and the connecting plates are provided with first preformed holes to be connected with the vertical vibration isolation devices or the building buttresses.
Furthermore, an upper connecting plate and a lower connecting plate are arranged at two ends of the vertical vibration isolation device, and a limiting guide device is arranged between the upper connecting plate and the lower connecting plate.
Further, the vertical vibration isolation device is connected with the laminated rubber support or the building buttress through a second preformed hole in the connecting plate.
Further, the vertical natural frequency of the support main body is 1-10 Hz.
Further, the rubber and the rubber damping element are both high fatigue rubber, and the formula comprises the following components in parts by weight: 70-40 parts of natural rubber, 30-100 parts of butadiene rubber, 30-10 parts of trans-polyisoprene, 3-10 parts of zinc oxide, 2-5 parts of stearic acid, 1-3 parts of an anti-aging agent RD, 1-3 parts of an anti-aging agent 4010NA, 1-3 parts of an anti-aging agent BLE-W, 1-3 parts of a fatigue agent PL-600, 515-60 parts of carbon black N37515, 5-15 parts of a plasticizer, 1-3 parts of sulfur, 1-4 parts of a promoter, 9001-5 parts of an anti-reversion agent PK 9001-3 parts of WAX and 3-25 parts of resin.
Further, the plasticizer is 5-15 parts of DOS; the accelerant is 1-2 parts of accelerant DZ, 0-1 part of accelerant DM and 0-1 part of TMTD.
Compared with the prior art, the invention has at least one of the following beneficial effects:
the invention adopts the laminated rubber support and the vertical vibration isolation device, the laminated rubber support can isolate horizontal earthquake, the vertical vibration isolation device can isolate subway vibration, and the vertical vibration isolation device can be decoupled with the horizontal vibration isolation support through the limiting guide device. The vertical vibration frequency of the device main body is 1-10 Hz, the main frequency of subway vibration is avoided being 10-80 Hz, and the vertical vibration isolation effect is achieved. The used rubber is fatigue-resistant rubber, so that the performance stability of the device under long-term high-frequency use conditions is ensured.
The invention has the advantages of low cost, mutual decoupling of vertical vibration isolation and horizontal vibration isolation, clear division of labor, excellent quality and good vibration isolation (vibration) effect, and the used rubber material is special fatigue-resistant rubber with strong functionality.
The bridge isolation rubber support is in a vibrating environment for a long time, so that the requirement on fatigue performance is higher, the stability of mechanical properties of the isolation rubber support can be improved by developing a high-fatigue rubber support, and the bridge isolation rubber support is more excellent in protection of buildings such as roads and bridges.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 3 is a schematic structural diagram according to embodiment 3 of the present invention;
fig. 4 is a schematic structural view in a compression-shearing state in embodiment 2 of the present invention.
FIG. 5 is a schematic structural diagram according to embodiment 4 of the present invention;
FIG. 6 is a top view of example 4 of the present invention;
FIG. 7 is a schematic structural view of example 5 of the present invention;
FIG. 8 is a schematic structural view of example 6 of the present invention;
fig. 9 is a schematic view of embodiment 5 of the present invention in a compression-shearing state.
In the figure, 1-laminated rubber support, 2-vertical vibration isolation device, 3-limiting guide device, 4-upper connecting plate, 5-lower connecting plate, 6-second preformed hole, 7-rubber, 8-steel plate, 10-protective glue, 11-connecting plate, 12-first preformed hole, 13-steel cylinder and 14-steel bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, the high fatigue three-dimensional vibration and vibration dual control device of the invention is formed by connecting and combining a laminated rubber support 1 and a vertical vibration isolation device 2 in series, in this embodiment, the laminated rubber support 1 and the vertical vibration isolation device 2 are arranged, wherein the laminated rubber support 1 is formed by alternately laminating a layer of steel plate 8 and a layer of rubber 7 and then performing die pressing, and the periphery of the support is coated by a protective rubber 10 to play a role in anti-aging. Connecting plates 11 are arranged at the upper end and the lower end of the laminated rubber support, and the connecting plates 11 are provided with first preformed holes 12 which are connected with the vertical vibration isolation devices and the building buttresses. Vertical vibration isolation device both ends are equipped with upper junction plate 4 and lower connecting plate 5, are equipped with spacing guider 3 and rubber pad between the upper and lower connecting plate, spacing guider can be the structure that has spacing and direction function of multiple form, the rubber pad adopts the individual layer rubber, vertical vibration isolation device passes through second preformed hole 6 on the connecting plate and is connected with stromatolite rubber support 1 or building buttress, and rubber materials adopts the fatigue-resistant rubber of special development, and each component part by weight is as follows in this prescription: 50 parts of natural rubber, 30 parts of butadiene rubber, 30 parts of trans-polyisoprene TBIR20 parts, 6 parts of zinc oxide, 2 parts of stearic acid, 1 part of an anti-aging agent RD, 2 parts of anti-aging agent 4010NA, 1 parts of anti-aging agent BLE-W, 1 part of a fatigue agent PL-6001 part, N37520 parts of carbon black, 9 parts of a plasticizer, 1 part of sulfur, 1.8 parts of a promoter, 9001 part of an anti-vulcanization reversion agent PK 9001 part, 6 parts of resin and DOS parts of the plasticizer, wherein the promoter is 1.5 parts of a promoter DZ and 0.5 part of a promoter DM.
Preparing a plasticated rubber: and (3) putting the weighed natural rubber into an internal mixer for plastication, stirring for 5 minutes to discharge rubber, cooling and standing for more than 4 hours for later use. And weighing the plasticated natural rubber and the butadiene rubber according to the proportion, putting the plasticated natural rubber and the butadiene rubber into an internal mixer, mixing, stirring for 3 minutes, discharging rubber, and cooling for more than 4 hours for later use.
Preparing a rubber compound: and putting the weighed rubber mixture, the activator, the anti-aging agent, the carbon black and the plasticizer into an internal mixer, stirring for 5 minutes, discharging rubber, cooling by a covering roller of an open mill, adding sulfur and the accelerator when the temperature is cooled to be below 80 ℃, turning for 5 minutes, and cooling for more than 4 hours.
And (3) sheet discharging: and (3) putting the rubber compound into an open mill, turning over for 8 minutes for hot refining, rolling the hot refined rubber, taking out the rubber sheet, and cooling for later use.
And (3) vulcanization: and (3) overlapping the prepared rubber sheet and the processed steel plate in a crossed manner, and placing the preassembled support into a mold. And (4) taking the mold after pressurization and hot vulcanization, and completing the preparation of the shock insulation rubber support.
Example 2
Referring to fig. 2, the high fatigue three-dimensional vibration and vibration dual control device of the invention is formed by connecting and combining a laminated rubber support 1 and a vertical vibration isolation device 2 in series, in this embodiment, the laminated rubber support 1 and the two vertical vibration isolation devices 2 are arranged, wherein the laminated rubber support 1 is formed by alternately laminating a layer of steel plate 8 and a layer of rubber 7 and then performing die pressing, and the periphery of the support is coated by a protective rubber 10 to play a role in anti-aging. Connecting plates 11 are arranged at the upper end and the lower end of the laminated rubber support, and first preformed holes 12 are formed in the connecting plates 11 and connected with the vertical vibration isolation devices. An upper connecting plate 4 and a lower connecting plate 5 are arranged at two ends of the vertical vibration isolation device, a limiting guide device 3 and a rubber pad are arranged between the upper connecting plate and the lower connecting plate, the limiting guide device can be a structure with limiting and guiding functions in various forms, the rubber pad is formed by overlapping multiple layers of rubber and steel plates, the vertical vibration isolation device is connected with the laminated rubber support 1 or the building buttress through a second preformed hole 6 on the connecting plates,
referring to fig. 4, when the earthquake occurs horizontal displacement, the laminated rubber support 1 performs horizontal shock insulation by horizontal shearing, and the vertical shock insulation device 2 does not horizontally deform due to the limitation of the limiting guide device 3, so that the shock insulation effect of the laminated rubber support is not influenced. After the earthquake is finished, the laminated rubber support is reset, the high-fatigue three-dimensional shock (vibration) isolation device continues to work,
the rubber material adopts specially developed fatigue-resistant rubber, and the formula comprises the following components in parts by weight: 50 parts of natural rubber, 30 parts of butadiene rubber, 7 parts of trans-polyisoprene TBIR20 parts of zinc oxide, 3 parts of stearic acid, 1 part of antioxidant RD, 2 parts of antioxidant 4010NA, 1 part of antioxidant BLE-W, 1 part of fatigue agent PL-6001 part, N37560 parts of carbon black, 10 parts of plasticizer, 2 parts of sulfur, 2.5 parts of accelerator, 9001 parts of anti-reversion agent PK 9001 part, 2 parts of WAX and 15 parts of resin; the plasticizer is DOS, the accelerant is 1.5 parts of accelerant DZ and 0.5 part of accelerant TMTD.
Preparing a plasticated rubber: and (3) putting the weighed natural rubber into an internal mixer for plastication, stirring for 6 minutes to discharge rubber, cooling and standing for more than 4 hours for later use. And weighing the plasticated natural rubber and the butadiene rubber according to the proportion, putting the plasticated natural rubber and the butadiene rubber into an internal mixer, mixing, stirring for 3 minutes, discharging rubber, and cooling for more than 4 hours for later use.
Preparing a rubber compound: and putting the weighed rubber mixture, the activator, the anti-aging agent, the carbon black and the plasticizer into an internal mixer, stirring for 5 minutes, discharging rubber, cooling by a covering roller of an open mill, adding sulfur and the accelerator when the temperature is cooled to be below 80 ℃, turning for 5 minutes, and cooling for more than 4 hours.
And (3) sheet discharging: and (3) putting the rubber compound into an open mill, turning over for 10 minutes for hot refining, rolling the hot refined rubber, taking out the rubber sheet, and cooling for later use.
And (3) vulcanization: and (3) overlapping the prepared rubber sheet and the processed steel plate in a crossed manner, and placing the preassembled support into a mold. And (4) taking the mold after pressurization and hot vulcanization, and completing the preparation of the shock insulation rubber support.
Example 3
Referring to fig. 3, the high fatigue three-dimensional vibration and vibration dual control device of the present invention is formed by connecting and combining laminated rubber supports 1 and vertical vibration isolation devices 2 in series, in this embodiment, two laminated rubber supports 1 and one vertical vibration isolation device 2 are provided, wherein the laminated rubber support 1 is formed by alternately laminating a layer of steel plate 8 and a layer of rubber 7 and then molding, and the periphery of the support is covered by a protective rubber 10 to play a role in anti-aging. Connecting plates 11 are arranged at the upper end and the lower end of the laminated rubber support, and the connecting plates 11 are provided with first preformed holes 12 which are connected with the vertical vibration isolation devices and the building buttresses. An upper connecting plate 4 and a lower connecting plate 5 are arranged at two ends of the vertical vibration isolation device, a limiting guide device 3 and a rubber pad are arranged between the upper connecting plate and the lower connecting plate, the limiting guide device can be a structure with limiting and guiding functions in various forms, the rubber pad is formed by overlapping multiple layers of rubber and steel plates, the vertical vibration isolation device is connected with the laminated rubber support 1 through a second preformed hole 6 on the connecting plates,
the rubber material adopts specially developed fatigue-resistant rubber, and the formula comprises the following components in parts by weight: 50 parts of natural rubber, 30 parts of butadiene rubber, 7 parts of trans-polyisoprene TBIR20 parts of zinc oxide, 3 parts of stearic acid, 1 part of antioxidant RD, 2 parts of antioxidant 4010NA, 1 part of antioxidant BLE-W, 1 part of fatigue agent PL-6001 part, N37560 parts of carbon black, 10 parts of plasticizer, 2 parts of sulfur, 2.5 parts of accelerator, 9001 parts of anti-reversion agent PK 9001 part, 2 parts of WAX and 15 parts of resin; the plasticizer is DOS, the accelerant is 1.5 parts of accelerant DZ and 0.5 part of accelerant TMTD.
Preparing a plasticated rubber: and (3) putting the weighed natural rubber into an internal mixer for plastication, stirring for 6 minutes to discharge rubber, cooling and standing for more than 4 hours for later use. And weighing the plasticated natural rubber and the butadiene rubber according to the proportion, putting the plasticated natural rubber and the butadiene rubber into an internal mixer, mixing, stirring for 3 minutes, discharging rubber, and cooling for more than 4 hours for later use.
Preparing a rubber compound: and putting the weighed rubber mixture, the activator, the anti-aging agent, the carbon black and the plasticizer into an internal mixer, stirring for 5 minutes, discharging rubber, cooling by a covering roller of an open mill, adding sulfur and the accelerator when the temperature is cooled to be below 80 ℃, turning for 5 minutes, and cooling for more than 4 hours.
And (3) sheet discharging: and (3) putting the rubber compound into an open mill, turning over for 10 minutes for hot refining, rolling the hot refined rubber, taking out the rubber sheet, and cooling for later use.
And (3) vulcanization: and (3) overlapping the prepared rubber sheet and the processed steel plate in a crossed manner, and placing the preassembled support into a mold. And (4) taking the mold after pressurization and hot vulcanization, and completing the preparation of the shock insulation rubber support.
Example 4
Referring to fig. 5 and 6, the high fatigue three-dimensional vibration and vibration dual control device of the invention is formed by connecting and combining a laminated rubber support 1 and a vertical vibration isolation device 2 in series, in this embodiment, the laminated rubber support 1 and the vertical vibration isolation device 2 are arranged, wherein the laminated rubber support 1 is formed by alternately laminating a layer of steel plate 8 and a layer of rubber 7 and then performing die pressing, and the periphery of the support is coated by a protective rubber 10 to play a role in anti-aging. Connecting plates 11 are arranged at the upper end and the lower end of the laminated rubber support, and the connecting plates 11 are provided with first preformed holes 12 which are connected with the vertical vibration isolation devices and the building buttresses. Vertical vibration isolation device both ends are equipped with upper junction plate 4 and lower connecting plate 5, are equipped with spacing guider 3 and rubber pad between the upper and lower connecting plate, spacing guider can be the structure that has spacing and direction function of multiform, and vertical vibration isolation device 2 is vulcanized by rubber damping component and bar iron 14, 13 an organic whole of steel cylinder and forms, vertical vibration isolation device passes through second preformed hole 6 on the connecting plate and is connected with stromatolite rubber support 1 or building buttress, and rubber materials adopts the fatigue-resistant rubber of special development, and each component part by weight is as follows in this prescription: 50 parts of natural rubber, 30 parts of butadiene rubber, 30 parts of trans-polyisoprene TBIR20 parts, 6 parts of zinc oxide, 2 parts of stearic acid, 1 part of an anti-aging agent RD, 2 parts of anti-aging agent 4010NA, 1 part of an anti-aging agent BLE-W, 1 part of a fatigue agent PL-6001 part, N37520 parts of carbon black, 9 parts of a plasticizer, 1 part of sulfur, 1.8 parts of a promoter, 9001.5 parts of an anti-reversion agent PK 9001 part of a resin and 0.5 part of a plasticizer, wherein the promoter is a promoter DZ 1.5 and a promoter DM 0.5 part.
Preparing a plasticated rubber: and (3) putting the weighed natural rubber into an internal mixer for plastication, stirring for 5 minutes to discharge rubber, cooling and standing for more than 4 hours for later use. And weighing the plasticated natural rubber and the butadiene rubber according to the proportion, putting the plasticated natural rubber and the butadiene rubber into an internal mixer, mixing, stirring for 3 minutes, discharging rubber, and cooling for more than 4 hours for later use.
Preparing a rubber compound: and putting the weighed rubber mixture, the activator, the anti-aging agent, the carbon black and the plasticizer into an internal mixer, stirring for 5 minutes, discharging rubber, cooling by a covering roller of an open mill, adding sulfur and the accelerator when the temperature is cooled to be below 80 ℃, turning for 5 minutes, and cooling for more than 4 hours.
And (3) sheet discharging: and (3) putting the rubber compound into an open mill, turning over for 8 minutes for hot refining, rolling the hot refined rubber, taking out the rubber sheet, and cooling for later use.
And (3) vulcanization: and (3) overlapping the prepared rubber sheet and the processed steel plate in a crossed manner, and placing the preassembled support into a mold. And (4) taking the mold after pressurization and hot vulcanization, and completing the preparation of the shock insulation rubber support.
Example 5
Referring to fig. 7, the high fatigue three-dimensional vibration and vibration dual control device of the invention is formed by connecting and combining a laminated rubber support 1 and a vertical vibration isolation device 2 in series, in this embodiment, a laminated rubber support 1 and two vertical vibration isolation devices 2 are arranged, wherein the laminated rubber support 1 is formed by alternately laminating a layer of steel plate 8 and a layer of rubber 7 and then molding, and the periphery of the support is coated by a protective rubber 10 to play a role in anti-aging. Connecting plates 11 are arranged at the upper end and the lower end of the laminated rubber support, and the connecting plates 11 are provided with first preformed holes 12 which are connected with the vertical vibration isolation devices and the building buttresses. The two ends of the vertical vibration isolation device are provided with an upper connecting plate 4 and a lower connecting plate 5, a limiting guide device 3 and a rubber pad are arranged between the upper connecting plate and the lower connecting plate, the limiting guide device can be a structure with limiting and guiding functions in various forms, the vertical vibration isolation device 2 is formed by integrally vulcanizing a rubber damping element, a steel bar 14 and a steel cylinder 13, the vertical vibration isolation device is connected with a laminated rubber support 1 or a building buttress through a second preformed hole 6 on the connecting plates,
as shown in fig. 9, when the earthquake occurs horizontal displacement, the laminated rubber support 1 performs horizontal shock insulation by horizontal shearing, and the vertical shock insulation device 2 does not horizontally deform due to the limitation of the limiting guide device 2, so that the shock insulation effect of the laminated rubber support is not affected. After the earthquake is finished, the laminated rubber support is reset, and the high-fatigue three-dimensional shock isolation (vibration) device continues to work.
The rubber material adopts specially developed fatigue-resistant rubber, and the formula comprises the following components in parts by weight: 50 parts of natural rubber, 30 parts of butadiene rubber, 30 parts of trans-polyisoprene TBIR20 parts, 6 parts of zinc oxide, 2 parts of stearic acid, 1 part of an anti-aging agent RD, 2 parts of anti-aging agent 4010NA, 1 part of an anti-aging agent BLE-W, 1 part of a fatigue agent PL-6001 part, N37520 parts of carbon black, 9 parts of a plasticizer, 1 part of sulfur, 1.8 parts of a promoter, 9001.5 parts of an anti-reversion agent PK 9001 part of a resin and 0.5 part of a plasticizer, wherein the promoter is a promoter DZ 1.5 and a promoter DM 0.5 part.
Preparing a plasticated rubber: and (3) putting the weighed natural rubber into an internal mixer for plastication, stirring for 5 minutes to discharge rubber, cooling and standing for more than 4 hours for later use. And weighing the plasticated natural rubber and the butadiene rubber according to the proportion, putting the plasticated natural rubber and the butadiene rubber into an internal mixer, mixing, stirring for 3 minutes, discharging rubber, and cooling for more than 4 hours for later use.
Preparing a rubber compound: and putting the weighed rubber mixture, the activator, the anti-aging agent, the carbon black and the plasticizer into an internal mixer, stirring for 5 minutes, discharging rubber, cooling by a covering roller of an open mill, adding sulfur and the accelerator when the temperature is cooled to be below 80 ℃, turning for 5 minutes, and cooling for more than 4 hours.
And (3) sheet discharging: and (3) putting the rubber compound into an open mill, turning over for 8 minutes for hot refining, rolling the hot refined rubber, taking out the rubber sheet, and cooling for later use.
And (3) vulcanization: and (3) overlapping the prepared rubber sheet and the processed steel plate in a crossed manner, and placing the preassembled support into a mold. And (4) taking the mold after pressurization and hot vulcanization, and completing the preparation of the shock insulation rubber support.
Example 6
Referring to fig. 8, the high fatigue three-dimensional vibration and vibration dual control device of the present invention is formed by connecting and combining laminated rubber supports 1 and vertical vibration isolation devices 2 in series, in this embodiment, two laminated rubber supports 1 and one vertical vibration isolation device 2 are provided, wherein the laminated rubber support 1 is formed by alternately laminating a layer of steel plate 8 and a layer of rubber 7 and then molding, and the periphery of the support is covered by a protective rubber 10 to play a role in anti-aging. Connecting plates 11 are arranged at the upper end and the lower end of the laminated rubber support, and the connecting plates 11 are provided with first preformed holes 12 which are connected with the vertical vibration isolation devices and the building buttresses. Vertical vibration isolation device both ends are equipped with upper junction plate 4 and lower connecting plate 5, are equipped with spacing guider 3 and rubber pad between the upper and lower connecting plate, spacing guider can be the structure that has spacing and direction function of multiform, and vertical vibration isolation device 2 is vulcanized by rubber damping component and bar iron 14, 13 an organic whole of steel cylinder and forms, vertical vibration isolation device passes through second preformed hole 6 on the connecting plate and is connected with stromatolite rubber support 1 or building buttress, and rubber materials adopts the fatigue-resistant rubber of special development, and each component part by weight is as follows in this prescription: 50 parts of natural rubber, 30 parts of butadiene rubber, 30 parts of trans-polyisoprene TBIR20 parts, 6 parts of zinc oxide, 2 parts of stearic acid, 1 part of an anti-aging agent RD, 2 parts of anti-aging agent 4010NA, 1 part of an anti-aging agent BLE-W, 1 part of a fatigue agent PL-6001 part, N37520 parts of carbon black, 9 parts of a plasticizer, 1 part of sulfur, 1.8 parts of a promoter, 9001.5 parts of an anti-reversion agent PK 9001 part of a resin and 0.5 part of a plasticizer, wherein the promoter is a promoter DZ 1.5 and a promoter DM 0.5 part.
Preparing a plasticated rubber: and (3) putting the weighed natural rubber into an internal mixer for plastication, stirring for 5 minutes to discharge rubber, cooling and standing for more than 4 hours for later use. And weighing the plasticated natural rubber and the butadiene rubber according to the proportion, putting the plasticated natural rubber and the butadiene rubber into an internal mixer, mixing, stirring for 3 minutes, discharging rubber, and cooling for more than 4 hours for later use.
Preparing a rubber compound: and putting the weighed rubber mixture, the activator, the anti-aging agent, the carbon black and the plasticizer into an internal mixer, stirring for 5 minutes, discharging rubber, cooling by a covering roller of an open mill, adding sulfur and the accelerator when the temperature is cooled to be below 80 ℃, turning for 5 minutes, and cooling for more than 4 hours.
And (3) sheet discharging: and (3) putting the rubber compound into an open mill, turning over for 8 minutes for hot refining, rolling the hot refined rubber, taking out the rubber sheet, and cooling for later use.
And (3) vulcanization: and (3) overlapping the prepared rubber sheet and the processed steel plate in a crossed manner, and placing the preassembled support into a mold. And (4) taking the mold after pressurization and hot vulcanization, and completing the preparation of the shock insulation rubber support.
Experimental analysis:
detecting the performance; the tensile mechanical property of the rubber compound is detected according to the national standard GB/T528-1998, and the dynamic fatigue resistance is detected according to GB/T15584-1995.
TABLE 1 dynamic fatigue Properties
TABLE 2 tensile mechanical Properties
The invention adopts the laminated rubber support and the vertical vibration isolation device, the laminated rubber support can isolate horizontal earthquake, the vertical vibration isolation device can isolate subway vibration, and the vertical vibration isolation device can be decoupled with the horizontal vibration isolation support through the limiting guide device. The vertical vibration frequency of the device main body is 1-10 Hz, the main frequency of subway vibration is avoided being 10-80 Hz, and the vertical vibration isolation effect is achieved. The used rubber is fatigue-resistant rubber, so that the performance stability of the device under long-term high-frequency use conditions is ensured.
The invention has the advantages of low cost, mutual decoupling of vertical vibration isolation and horizontal vibration isolation, clear division of labor, excellent quality and good vibration isolation (vibration) effect, and the used rubber material is special fatigue-resistant rubber with strong functionality.
The bridge isolation rubber support is in a vibrating environment for a long time, so that the requirement on fatigue performance is higher, the stability of mechanical properties of the isolation rubber support can be improved by developing a high-fatigue rubber support, and the bridge isolation rubber support is more excellent in protection of buildings such as roads and bridges.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (10)
1. A high-fatigue three-dimensional vibration and vibration double-control device is characterized in that: comprises a tandem combination of a laminated rubber support (1) and a vertical vibration isolation device (2).
2. The high fatigue three-dimensional vibration and vibration control device according to claim 1, wherein: the laminated rubber support (1) is formed by alternately laminating a layer of steel plate (8) and a layer of rubber (7) and then molding.
3. The high fatigue three-dimensional vibration and vibration control device according to claim 1, wherein: the vertical vibration isolation device (2) is formed by overlapping single-layer rubber or multiple layers of rubber and steel plates.
4. The high fatigue three-dimensional vibration and vibration control device according to claim 1, wherein: the vertical vibration isolation device (2) is formed by integrally vulcanizing a rubber damping element, a steel bar (14) and a steel cylinder (13).
5. The high fatigue three-dimensional vibration and control device according to claim 1 or 2, wherein: the periphery of the laminated rubber support (1) is wrapped with protective rubber (10).
6. The high fatigue three-dimensional vibration and control device according to claim 1 or 2, wherein: connecting plates (11) are arranged at the upper end and the lower end of the laminated rubber support (1), and first preformed holes (12) are formed in the connecting plates and connected with the vertical vibration isolation devices (2) or the building buttresses.
7. The high fatigue three-dimensional vibration and vibration control device according to claim 1, wherein: an upper connecting plate (4) and a lower connecting plate (5) are arranged at two ends of the vertical vibration isolation device (2), and a limiting guide device (3) is arranged between the upper connecting plate and the lower connecting plate.
8. The high fatigue three-dimensional vibration and control device according to claim 1 or 7, wherein: and the vertical vibration isolation device (2) is connected with the laminated rubber support (1) or the building buttress through a second preformed hole (6) on the connecting plate.
9. The high fatigue three-dimensional vibration and control device according to claim 3 or 4, wherein: the rubber and the rubber damping element are both high-fatigue rubber, and the formula comprises the following components in parts by weight: 70-40 parts of natural rubber, 30-100 parts of butadiene rubber, 30-10 parts of trans-polyisoprene, 3-10 parts of zinc oxide, 2-5 parts of stearic acid, 1-3 parts of an anti-aging agent RD, 1-3 parts of an anti-aging agent 4010NA, 1-3 parts of an anti-aging agent BLE-W, 1-3 parts of a fatigue agent PL-600, 515-60 parts of carbon black N37515, 5-15 parts of a plasticizer, 1-3 parts of sulfur, 1-4 parts of a promoter, 9001-5 parts of an anti-reversion agent PK 9001-3 parts of WAX and 3-25 parts of resin.
10. The high fatigue three-dimensional vibration and vibration control device according to claim 9, wherein: the plasticizer is 5-15 parts of DOS; the accelerant is 1-2 parts of accelerant DZ, 0-1 part of accelerant DM and 0-1 part of TMTD.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622729A (en) * | 2021-08-09 | 2021-11-09 | 东南大学 | Three-dimensional shock insulation energy consumption device |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622729A (en) * | 2021-08-09 | 2021-11-09 | 东南大学 | Three-dimensional shock insulation energy consumption device |
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