CN220789409U - Filled steel ball type high damping shock insulation rubber support - Google Patents
Filled steel ball type high damping shock insulation rubber support Download PDFInfo
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- CN220789409U CN220789409U CN202322590112.4U CN202322590112U CN220789409U CN 220789409 U CN220789409 U CN 220789409U CN 202322590112 U CN202322590112 U CN 202322590112U CN 220789409 U CN220789409 U CN 220789409U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 238000013016 damping Methods 0.000 title claims abstract description 48
- 238000009413 insulation Methods 0.000 title claims abstract description 22
- 230000035939 shock Effects 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000010008 shearing Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 241001660917 Crassula ovata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a filled steel ball type high damping vibration isolation rubber support, which comprises two connecting steel plates and a support main body, wherein the two connecting steel plates are respectively arranged on the upper surface and the lower surface of the support main body, the two connecting steel plates are fixedly connected with a beam body and a pier after being screwed into a positioning sleeve through positioning bolts, and the support main body adopts a damping reinforcing structure; the damping enhancement structure comprises a shock insulation structure and an energy conversion structure, wherein the upper surface and the lower surface of the shock insulation structure are respectively connected with the two connecting steel plates, and the energy conversion structure is installed in the shock insulation structure. Through the mode, the steel ball-type high-damping vibration-isolating rubber filled support is provided with the damping reinforcing structure, so that the damping value can be improved, and the vibration-isolating effect of the support is improved.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, and particularly relates to a filled steel ball type high damping vibration isolation rubber support.
Background
The earthquake disaster is a strong earthquake disaster in China, has high occurrence frequency, high intensity and wide distribution range, especially in the places such as Sichuan, venturi and Jade tree in recent years, and brings tragic training to us.
The bridge is taken as an important component in the life line system engineering, once the bridge is damaged, the life line in a seismic area is hard to repair in a short time, the smoothness of the life line in the seismic area and the expansion of disaster relief work are seriously influenced, after the training of the earthquake disasters, the structural control technology based on the bridge earthquake-proof design is increasingly important in the bridge engineering industry of China, and the bridge earthquake-proof design and research work is actively carried out by related departments in China, so that the earthquake-proof method which is easier to realize and effective for the bridge structure is mainly implemented by adopting the earthquake-proof support device.
Many bridges in japan, the united states, new zealand and other countries are provided with the shock-absorbing and isolating support, and a good shock-absorbing and isolating effect is achieved, and the rubber support can isolate the upper and lower earthquake motions through shear deformation and has the advantages of simple structure, easiness in processing and manufacturing, small steel consumption, low cost, convenience in installation and the like, so that the shock-absorbing and isolating support is the most commonly used shock-absorbing support.
At present, the rubber shock insulation support commonly used in China mainly comprises a lead rubber support and a damping rubber support.
The lead rubber support is a shock-absorbing and isolating support which is characterized in that a lead is placed in the center of the support on the basis of a general plate type rubber support so as to improve the damping performance of the rubber support, the shock-absorbing and isolating support has the characteristics of obvious shock-absorbing and isolating effect, wide application range and the like, but the heavy metal lead used by the shock-absorbing and isolating support can cause unrecoverable pollution to the environment.
The damping rubber support is formed by vulcanizing structural members such as damping rubber materials, steel plates and the like, so that good mechanical properties of the laminated rubber support can be maintained, meanwhile, earthquake energy can be effectively absorbed in an earthquake, and earthquake response is lightened, but the damping value of the conventional damping rubber support is not high, so that the earthquake isolation effect is not obvious.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the filled steel ball type high-damping vibration-isolating rubber support, which can improve the damping value of the damping rubber support.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a fill steel ball type high damping shock insulation rubber support, includes two connection steel sheets and support main part are constituteed, two the connection steel sheets are installed respectively on the upper and lower two sides of support main part, two the connection steel sheets pass through the positioning bolt and screw in behind the positioning sleeve with roof beam body and pier fixed connection, the support main part adopts damping reinforcing structure;
the damping enhancement structure comprises a shock insulation structure and an energy conversion structure, wherein the upper surface and the lower surface of the shock insulation structure are respectively connected with the two connecting steel plates, and the energy conversion structure is installed in the shock insulation structure.
In a preferred embodiment of the present utility model, the shock insulation structure includes a rubber layer and a stabilizing structure integrally vulcanization molded with the rubber layer.
In a preferred embodiment of the present utility model, the stabilizing structure includes two seal steel plates and a plurality of internal steel plates, the two seal steel plates are respectively disposed on the upper and lower inner surfaces of the rubber layer, and the plurality of internal steel plates are disposed in parallel between the two seal steel plates.
In a preferred embodiment of the present utility model, the two seal steel plates are fixedly connected to the two connection steel plates by connection bolts.
In a preferred embodiment of the present utility model, a plurality of round holes with the same size are formed in the vertical positions corresponding to the seal layer steel plate and the internal steel plate.
In a preferred embodiment of the utility model, a shear tenon is arranged at the center of the connecting surface of the two seal layer steel plates and the two connecting steel plates through counter bores.
In a preferred embodiment of the present utility model, the energy conversion structure includes a plurality of cavities, and the cavities penetrate through the round holes in the seal steel plate and the corresponding vertical positions on the inner steel plate, and the rubber layer is spaced between the cavities and the round holes.
In a preferred embodiment of the utility model, the cavity is filled with steel balls.
The beneficial effects of the utility model are as follows: according to the steel ball-filled high-damping vibration-isolating rubber support, the damping reinforcing structure is arranged on the support, so that the damping value can be improved, and the vibration-isolating effect of the support is improved.
Drawings
Fig. 1 is a top view of a filled steel ball type high damping vibration-isolating rubber bearing.
Fig. 2 is a cross-sectional view at A-A in fig. 1.
The components in the drawings are marked as follows: 1. connecting steel plates; 2. a seal layer steel plate; 3. an internally-arranged steel plate; 4. a rubber layer; 5. shear tenons; 6. a cavity; 7. a steel ball; 8. a connecting bolt; 9. positioning bolts; 10. and positioning the sleeve.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1 and 2, an embodiment of the present utility model includes: a filled steel ball type high damping vibration isolation rubber support comprises two connecting steel plates 1 and a support main body, wherein the two connecting steel plates 1 are respectively installed on the upper surface and the lower surface of the support main body, and the two connecting steel plates 1 are respectively used for connecting the support main body with a beam body and a pier.
The two connecting steel plates 1 are fixedly connected with the beam body and the abutment after being screwed into the positioning sleeve 10 through the positioning bolts 9.
The support main body adopts a damping enhancement structure, and the damping enhancement structure can improve the damping value, so that the shock insulation effect of the support is improved.
The damping enhancement structure comprises a shock insulation structure and an energy conversion structure, wherein the upper surface and the lower surface of the shock insulation structure are respectively connected with the two connecting steel plates 1, and the energy conversion structure is installed in the shock insulation structure.
The vibration isolation structure comprises a rubber layer 4 and a stable structure, the stable structure and the rubber layer 4 are integrally vulcanized and formed, the rubber layer 4 is made of high-damping rubber materials, and when the vibration isolation structure receives earthquake horizontal force, shearing deformation can occur to isolate earthquake motions of a beam body and a bridge pier, so that the purpose of vibration isolation is achieved.
The stabilizing structure comprises two seal layer steel plates 2 and a plurality of internal steel plates 3, wherein the two seal layer steel plates 2 are respectively arranged on the upper and lower inner surfaces of the rubber layer 4 and are used for being integrally fixed with the connecting steel plate 1.
The inner steel plates 3 are arranged between the two seal layer steel plates 2 in parallel, and the inner steel plates 3 are used for restraining deformation of the rubber layer 4 and enhancing the vertical bearing capacity of the support.
The two seal coat steel plates 2 are fixedly connected with the two connecting steel plates 1 through connecting bolts 8, so that the connecting steel plates 1 are connected with the support body into a whole.
And a plurality of round holes with the same size are formed in the vertical positions of the seal layer steel plate 2 and the inner matched steel plate 3.
The center of the connecting surface of the two seal layer steel plates 2 and the two connecting steel plates 1 is provided with a shear tenon 5 through a counter bore, and the shear tenon 5 is used for transmitting horizontal shear force of the beam body to the support through the shear tenon 5.
The energy conversion structure comprises a plurality of cavities 6, wherein the cavities 6 penetrate through round holes in the vertical positions corresponding to the seal steel plate 2 and the inner steel plate 3, and the rubber layer 4 is arranged between the round holes.
The number of the cavities 6 is greater than or equal to two, and in this embodiment, the number of the cavities 6 is four.
The cavity 6 is filled with steel balls 7, and when the support is subjected to shear deformation, the friction effect of the steel balls 7 converts earthquake energy into heat energy.
When an earthquake acts, the horizontal shearing force of the beam body is transmitted to the support through the shearing tenons 5, and the rubber layer 4 in the support is subjected to shearing deformation, so that the earthquake motion of the beam body and the pier is isolated, and the purpose of shock insulation is achieved.
At the same time of shearing deformation of the support, friction occurs between the steel balls 7 to consume earthquake energy and convert the earthquake energy into heat energy, so that the damping performance of the support is enhanced.
Compared with the prior art, the steel ball-type filled high-damping vibration-isolating rubber support is provided with the damping reinforcing structure, so that the damping value can be improved, and the vibration-isolating effect of the support is improved.
The support adopts the upper and lower connecting steel plates, the support body can be reliably positioned between the bridge pier and the beam body through the bolts, horizontal force is transmitted through the shear tenons, the shear tenons are simple in structure and clear in force transmission path, and the requirements of different horizontal forces can be met by adjusting the plane size or the number of the shear tenons.
The rubber layer is made of polymer composite material, damping performance can be regulated through adjustment of proportion, when earthquake occurs, the rubber layer is subjected to shearing deformation to isolate earthquake motions of the girder body and the bridge pier, thereby achieving the purpose of shock insulation,
the inside cylindrical cavity that is equipped with the steel ball of a certain amount of packing of support also can adjust the damping performance of support through controlling cylindrical cavity size, when the support takes place shear deformation, takes place the friction and consume seismic energy and convert it into heat energy between the steel ball to the damping performance of reinforcing support.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a fill steel ball type high damping shock insulation rubber support, includes two connection steel sheets and support main part are constituteed, two the connection steel sheets are installed respectively on the upper and lower two sides of support main part, two the connection steel sheets pass through the positioning bolt and screw in behind the positioning sleeve with roof beam body and pier fixed connection, its characterized in that, the support main part adopts damping reinforcing structure;
the damping enhancement structure comprises a shock insulation structure and an energy conversion structure, wherein the upper surface and the lower surface of the shock insulation structure are respectively connected with the two connecting steel plates, and the energy conversion structure is installed in the shock insulation structure.
2. The filled steel ball type high damping vibration isolating rubber bearing as defined in claim 1, wherein: the shock insulation structure comprises a rubber layer and a stabilizing structure, and the stabilizing structure and the rubber layer are integrally vulcanized and formed.
3. The filled steel ball type high damping vibration isolating rubber bearing as defined in claim 2, wherein: the stabilizing structure comprises two seal layer steel plates and a plurality of internal steel plates, wherein the two seal layer steel plates are respectively arranged on the upper inner surface and the lower inner surface of the rubber layer, and the plurality of internal steel plates are arranged between the two seal layer steel plates in parallel.
4. A filled steel ball type high damping vibration isolating rubber mount as defined in claim 3, wherein: the two seal layer steel plates are fixedly connected with the two connecting steel plates through connecting bolts.
5. A filled steel ball type high damping vibration isolating rubber mount as defined in claim 3, wherein: and a plurality of round holes with the same size are formed in the vertical positions of the seal layer steel plate and the inner matched steel plate.
6. The filled steel ball type high damping vibration isolating rubber mount as defined in claim 4, wherein: and a shear tenon is arranged at the center of the connecting surface of the two seal layer steel plates and the two connecting steel plates through counter bores.
7. The filled steel ball type high damping vibration isolating rubber mount as defined in claim 5, wherein: the energy conversion structure comprises a plurality of cavities, wherein the cavities penetrate through round holes in the vertical positions corresponding to the inner steel plate and the seal steel plate, and the rubber layer is arranged between the round holes at intervals.
8. The filled steel ball type high damping vibration isolating rubber mount as defined in claim 7, wherein: and steel balls are filled in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590112.4U CN220789409U (en) | 2023-09-24 | 2023-09-24 | Filled steel ball type high damping shock insulation rubber support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590112.4U CN220789409U (en) | 2023-09-24 | 2023-09-24 | Filled steel ball type high damping shock insulation rubber support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220789409U true CN220789409U (en) | 2024-04-16 |
Family
ID=90660721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322590112.4U Active CN220789409U (en) | 2023-09-24 | 2023-09-24 | Filled steel ball type high damping shock insulation rubber support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220789409U (en) |
-
2023
- 2023-09-24 CN CN202322590112.4U patent/CN220789409U/en active Active
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