CN217026659U - Polyurea shock insulation support - Google Patents
Polyurea shock insulation support Download PDFInfo
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- CN217026659U CN217026659U CN202123370513.6U CN202123370513U CN217026659U CN 217026659 U CN217026659 U CN 217026659U CN 202123370513 U CN202123370513 U CN 202123370513U CN 217026659 U CN217026659 U CN 217026659U
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Abstract
The utility model provides a polyurea shock insulation support, includes connecting plate (2) and connecting plate (4) down, its characterized in that: the novel rubber bearing is characterized in that a polyurea bearing body is arranged between the upper connecting steel plate (2) and the lower connecting steel plate (4), the upper end surface of the polyurea bearing body is connected with the upper connecting steel plate (2) through an upper steel plate (7) or the upper end surface of the polyurea bearing body is directly fixed with the upper connecting steel plate (2), the lower end surface of the polyurea bearing body is connected with the lower connecting steel plate (4) through a lower steel plate (8) or the lower end surface of the polyurea bearing body is directly fixed with the lower connecting steel plate (4).
Description
Technical Field
The utility model relates to a shock insulation support, in particular to a polyurea shock insulation support, and belongs to the technical field of bridge engineering.
Background
Present bridge rubber support is very extensive in public road bridge field application range, traditional public road bridge roof beam slab rubber support's main part adopts rubber as the material of giving first place to, although the basic service function of bridge shock insulation can be satisfied with the shock insulation support of rubber preparation, but because its ultraviolet resistance shines, resistant high and low temperature, resistant ozone, resistant oily and other chemicals corrosion's ability is not enough, it is chapped to use a period rear surface can appear, the crackle develops and then seriously influences performance to the product center gradually, and life is short, lead to its durability in utilization far not enough to support the design life of bridge. The service life of the bridge is generally 100 years, the support needs to be replaced for many times in the service life cycle of the bridge, and the cost for replacing the support every time is high, so that the maintenance cost of the bridge is high.
In addition, the rubber material can be recycled due to the production process, the recycled rubber produced by secondary recycling is called as recycled rubber, the performance of the product using the recycled rubber or containing the recycled rubber is far lower than that of the original rubber, particularly the product has low aging performance and can seriously affect the service life of the product, if the recycled rubber is processed into a bridge support, serious quality consequences can be generated, the normal use of the bridge is not facilitated, and even safety problems can be caused. In addition, the production of rubber supports and polyurethane supports requires high-temperature long-time vulcanization, the process is complicated, the production period is long, project schedule control is not facilitated, and certain pollution is caused to the environment. There has been no product for a stand that can effectively solve the technical problem.
Disclosure of Invention
The utility model aims to overcome the defects that the service life of the existing bridge rubber support is limited, so that the maintenance and repair cost of a bridge is high, rubber materials in the aged and scrapped rubber support are easy to recycle, the rubber materials need to be vulcanized at high temperature for a long time in the production process, the production period is long, and certain pollution is caused to the environment.
In order to realize the purpose of the utility model, the technical solution of the utility model is as follows: the utility model provides a polyurea shock insulation support, includes connecting plate and lower connecting plate, its characterized in that: go up the connecting steel plate and be provided with polyurea pedestal between the connecting steel plate down, the upper end surface of polyurea pedestal is connected or the upper end surface of polyurea pedestal is direct to be fixed mutually with last connecting steel plate through upper steel plate and last connecting steel plate, and the lower extreme surface of polyurea pedestal is connected or the lower extreme surface of polyurea pedestal is direct to be fixed mutually with connecting steel plate down through lower floor's steel plate and connecting steel plate down.
Further, polyurea pedestal includes the steel sheet of putting more energy into and polyurea layer, and the inside of pedestal is provided with the steel sheet of putting more than two-layer along vertically respectively the level, is parallel to each other and leaves certain clearance between the adjacent steel sheet of putting more energy into, and the peripheral surface between the adjacent steel sheet of putting more energy into and the steel sheet of putting more energy into is provided with the polyurea layer.
Furthermore, an upper connecting sleeve assembly is arranged at the upper end of the upper connecting steel plate, and a lower connecting sleeve assembly is arranged at the lower end of the lower connecting steel plate.
Furthermore, the upper connecting steel plate and the upper layer steel plate and the lower connecting steel plate are fixed through connecting screws.
Furthermore, the upper connecting steel plate and the upper layer steel plate and the lower connecting steel plate and the lower layer steel plate are fixed through tenons.
Furthermore, the upper connecting steel plate and the upper layer steel plate and the lower connecting steel plate and the lower layer steel plate are fixed through bonding layers.
Further, the polyurea layer is formed by reacting isocyanate and an amino compound to form an elastomer.
Furthermore, the adhesive layer is formed by solidifying a normal-temperature adhesive or a vulcanized high-temperature adhesive.
The utility model has the beneficial effects that:
1. according to the utility model, the stacked stiffening steel plates are adopted, and the polyurea layer and the stiffening steel plates are compounded, so that the vertical bearing capacity of the support is obviously improved, the integral rigidity of the support is increased, the bridge shock insulation function is good, and the quality hidden danger caused by secondary recycling of rubber can be avoided.
2. The utility model has reasonable structure, can be applied to the field of bridge supports and the field of constructional engineering, adopts the polyurea structure without vulcanization in the production process, has simple manufacturing process, short production period, ultraviolet irradiation resistance, high and low temperature resistance, ozone resistance, oil resistance and corrosion resistance of other chemicals, prolongs the service life and reduces the maintenance cost in the service cycle of bridges.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a schematic structural view of a third embodiment of the present invention.
Fig. 4 is a schematic structural view of a fourth embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a fifth embodiment of the present invention.
In the figure: the steel plate reinforced plastic pipe joint comprises an upper connecting sleeve assembly 1, an upper connecting steel plate 2, a lower connecting sleeve assembly 3, a lower connecting steel plate 4, a reinforced steel plate 5, a polyurea layer 6, an upper layer steel plate 7, a lower layer steel plate 8, a connecting screw 9, a tenon 10 and an adhesive layer 11.
Detailed Description
The utility model is described in further detail below with reference to the following description of the drawings and the detailed description.
Referring to fig. 1 to 5, the polyurea vibration-isolating support comprises an upper connecting steel plate 2 and a lower connecting steel plate 4, and is characterized in that: go up connection steel sheet 2 and be provided with polyurea pedestal between the connection steel sheet 4 down, the upper end surface of polyurea pedestal is connected with last connection steel sheet 2 through upper steel sheet 7 or the upper end surface of polyurea pedestal is direct to be fixed mutually with last connection steel sheet 2, and the lower extreme surface of polyurea pedestal is connected with lower connection steel sheet 4 through lower floor's steel sheet 8 or the lower extreme surface of polyurea pedestal is direct to be fixed mutually with lower connection steel sheet 4.
Polyurea pedestal includes the steel sheet of putting more energy into 5 and polyurea layer 6, and the inside of pedestal is provided with the steel sheet of putting more than two-layer 5 of putting more energy into along vertically respectively the level, and be parallel to each other and leave certain clearance between the adjacent steel sheet of putting more energy into 5, and the peripheral surface between the adjacent steel sheet of putting more energy into 5 and the steel sheet of putting more energy into 5 is provided with polyurea layer 6.
The upper end of the upper connecting steel plate 2 is provided with an upper connecting sleeve assembly 1, and the lower end of the lower connecting steel plate 4 is provided with a lower connecting sleeve assembly 3.
The upper connecting steel plate 2 and the upper layer steel plate 7 and the lower connecting steel plate 4 and the lower layer steel plate 8 are fixed through connecting screws 9.
The upper connecting steel plate 2 and the upper layer steel plate 7 as well as the lower connecting steel plate 4 and the lower layer steel plate 8 are fixed through tenons 10.
The upper connecting steel plate 2 and the upper layer steel plate 7 and the lower connecting steel plate 4 and the lower layer steel plate 8 are fixed through bonding layers 11.
The polyurea layer 6 is formed by reacting isocyanate and amino compound to generate elastomer.
The adhesive layer 11 is formed by solidifying a normal-temperature adhesive or a vulcanized high-temperature adhesive.
Referring to the attached drawings in the specification, the upper connecting sleeve assembly 1, the upper connecting steel plate 2, the lower connecting sleeve assembly 3 and the lower connecting steel plate 4 adopted by the utility model have the same structure as the prior art, the upper connecting sleeve assembly 1 is arranged at the upper end of the upper connecting steel plate 2, the lower connecting sleeve assembly 3 is arranged at the lower end of the lower connecting steel plate 4, and the upper connecting sleeve assembly 1 and the lower connecting sleeve assembly 3 play a role in connection.
Different from the prior art, the polyurea support body is arranged between the upper connecting steel plate 2 and the lower connecting steel plate 4, the polyurea support body is fundamentally different from the traditional support, the polyurea support body comprises a stiffening steel plate 5 and a polyurea layer 6, more than two layers of stiffening steel plates 5 are respectively and horizontally arranged in the support body along the longitudinal direction, the upper surface of each stiffening steel plate 5 is parallel to the horizontal plane, and a plurality of stiffening steel plates 5 are formed by longitudinally stacking in the support body. The stiffening steel plates 5 are rectangular, circular or other shapes, the number of the stiffening steel plates 5 in the same support is not more than 100 layers, and the thickness of the stiffening steel plates 5 is 0.5 mm-100 mm. The adjacent stiffening steel plates 5 are parallel to each other with a certain gap, and the distance between the adjacent stiffening steel plates 5 is 1 mm-100 mm. The quantity of the stiffening steel plates 5 is set according to the longitudinal height and the bearing capacity, the stiffening steel plates 5 can obviously improve the vertical bearing capacity of the support, the integral rigidity of the support is increased, and the excellent using effect is achieved.
The utility model is provided with polyurea layers 6 between adjacent stiffening steel plates 5 and on the outer surfaces of the stiffening steel plates 5, namely, the polyurea layers 6 wrap each stiffening steel plate 5 and are compounded with the stiffening steel plates 5 to form a new support body together, instead of adopting the traditional rubber material. The polyurea is an elastomer substance generated by the reaction of an isocyanate component and an amino compound component, the polyurea is a material which can be purchased in the market at present, the polyurea has excellent performance, has corrosion resistance, high and low temperature resistance, thermal oxidation aging resistance, alternating pressure resistance, alternating temperature resistance, outdoor aging resistance, fatigue resistance, impact resistance, wear resistance, oil resistance, no cracking and no shedding, the aging test shows that the weather-resistant service life is more than 50 years, the service life of the support can be effectively prolonged, the replacement frequency of the support can be reduced in the design life of the bridge, and the service cost of the whole life cycle can be reduced. The polyurea structure is adopted, vulcanization is not needed in the production process, the manufacturing process is simple, the production period is short, and the production process has no pollution to the environment.
Polyurea pedestal body and last connecting steel plate 2 have multiple connection fixed mode with connecting steel plate 4 down, can adopt the fixed form that the steel sheet adds the connecting piece can be adopted to the upper end and the lower extreme of polyurea pedestal body, also can adopt the fixed form of direct bonding, and specific embodiment is as follows:
example 1: the upper steel plate 7 is arranged between the upper end surface of the polyurea support body and the upper connecting steel plate 2, the upper connecting steel plate 2 and the upper steel plate 7 are fixed through the connecting screw 9, the lower steel plate 8 is arranged between the lower end surface of the polyurea support body and the lower connecting steel plate 4, and the lower connecting steel plate 4 and the lower steel plate 8 are fixed through the connecting screw 9.
Example 2: the upper end surface of the polyurea support body is directly fixed with the upper connecting steel plate 2, and the lower end surface of the polyurea support body is directly fixed with the lower connecting steel plate 4.
Example 3: an upper steel plate 7 is arranged between the upper end surface of the polyurea support body and the upper connecting steel plate 2, and the lower end surface of the polyurea support body is directly fixed with the lower connecting steel plate 4.
Example 4: the upper steel plate 7 is arranged between the upper end surface of the polyurea support body and the upper connecting steel plate 2, the upper connecting steel plate 2 and the upper steel plate 7 are fixed through the tenon 10, the lower end surface of the polyurea support body and the lower connecting steel plate 4 are provided with the lower steel plate 8, and the lower connecting steel plate 4 and the lower steel plate 8 are fixed through the tenon 10.
Example 5: the upper steel plate 7 is arranged between the upper end surface of the polyurea support body and the upper connecting steel plate 2, the upper connecting steel plate 2 and the upper steel plate 7 are fixed through the adhesive layer 11, the lower steel plate 8 is arranged between the lower end surface of the polyurea support body and the lower connecting steel plate 4, and the lower connecting steel plate 4 and the lower steel plate 8 are fixed through the adhesive layer 11.
In addition, the exposed surfaces of the upper connecting steel plate 2 and the lower connecting steel plate 4 are supported with a polyurea anticorrosive layer in a spraying mode, paint can be used for corrosion prevention, and the thickness of the polyurea anticorrosive layer is not more than 2 millimeters. The utility model can be applied to the field of bridge supports and can also be applied to the field of constructional engineering.
While the utility model has been described in further detail with reference to specific embodiments thereof, it will be apparent to one skilled in the art that the utility model is not limited to these embodiments, and that various changes, modifications and variations can be made therein without departing from the spirit of the utility model.
Claims (7)
1. The utility model provides a polyurea isolation bearing, includes connecting steel sheet (2) and lower connecting steel sheet (4), its characterized in that: go up connecting steel plate (2) and be provided with polyurea pedestal between connecting steel plate (4) down, the upper end surface of polyurea pedestal is connected or the upper end surface of polyurea pedestal is direct to be fixed mutually with last connecting steel plate (2) through upper steel sheet (7) and last connecting steel plate (2), and the lower extreme surface of polyurea pedestal is connected or the lower extreme surface of polyurea pedestal is direct to be fixed mutually with connecting steel plate (4) down through lower floor's steel sheet (8) and connecting steel plate (4) down.
2. The polyurea mount of claim 1, wherein: polyurea pedestal includes stiffening steel sheet (5) and polyurea layer (6), and the inside of pedestal is along vertically respectively the level be provided with two-layer more than stiffening steel sheet (5), is parallel to each other and leaves certain clearance between adjacent stiffening steel sheet (5), and the peripheral surface between adjacent stiffening steel sheet (5) and stiffening steel sheet (5) is provided with polyurea layer (6).
3. The polyurea mount of claim 1, wherein: the upper end of the upper connecting steel plate (2) is provided with an upper connecting sleeve assembly (1), and the lower end of the lower connecting steel plate (4) is provided with a lower connecting sleeve assembly (3).
4. The polyurea mount of claim 1, wherein: the upper connecting steel plate (2) and the upper steel plate (7) and the lower connecting steel plate (4) and the lower steel plate (8) are fixed through connecting screws (9).
5. The polyurea vibration-isolated mount of claim 1, wherein: the upper connecting steel plate (2) and the upper layer steel plate (7) as well as the lower connecting steel plate (4) and the lower layer steel plate (8) are fixed through tenons (10).
6. The polyurea vibration-isolated mount of claim 1, wherein: the upper connecting steel plate (2) and the upper layer steel plate (7) and the lower connecting steel plate (4) and the lower layer steel plate (8) are fixed through bonding layers (11).
7. The polyurea vibration-isolated mount of claim 6, wherein: the adhesive layer (11) is formed by solidifying a normal-temperature adhesive or a vulcanized high-temperature adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370513.6U CN217026659U (en) | 2021-12-30 | 2021-12-30 | Polyurea shock insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370513.6U CN217026659U (en) | 2021-12-30 | 2021-12-30 | Polyurea shock insulation support |
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| Publication Number | Publication Date |
|---|---|
| CN217026659U true CN217026659U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123370513.6U Active CN217026659U (en) | 2021-12-30 | 2021-12-30 | Polyurea shock insulation support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293461A (en) * | 2021-12-30 | 2022-04-08 | 柳州市桥厦科技发展有限公司 | Polyurea shock insulation support and manufacturing method thereof |
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2021
- 2021-12-30 CN CN202123370513.6U patent/CN217026659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293461A (en) * | 2021-12-30 | 2022-04-08 | 柳州市桥厦科技发展有限公司 | Polyurea shock insulation support and manufacturing method thereof |
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