Bridge pot type support with dustproof function

Abstract

The utility model discloses a bridge basin type support with a dustproof function, which comprises a top plate and a bottom basin, the top plate is arranged on the bottom basin, and a plane stainless steel plate, a plane wear-resisting plate, a middle steel lining plate and a rubber bearing plate are sequentially arranged between the top plate and the bottom basin from top to bottom. An integrated dustproof structure is further mounted between the top plate and the bottom basin; the integrated dustproof structure comprises a positioning structure used for being fixed to the middle steel lining plate, a first sealing structure used for being attached to the lower portion of the plane stainless steel plate and a second sealing structure used for filling a gap between the bottom basin and the middle steel lining plate. By means of the mode, the bridge pot type support with the dustproof function is internally provided with the integrated dustproof structure, the dustproof requirements of the interior of the bottom pot and the surface of the plane wear-resisting plate can be met, and installation is convenient and reliable.

Description

Technical Field

[0001] The utility model belongs to the field of bridge construction engineering, and particularly relates to a pot bearing for bridge with dust-proof function. Background Technique

[0002] During the normal operation of bridge bearings, they will inevitably be invaded by natural wind sand and dust. After these dust particles enter the internal structure of the bearings, they will cause great harm.

[0003] On the one hand, the dust particles entering the sliding surface of the wear-resistant plate of the bearing will exacerbate the wear of the flat wear-resistant plate, resulting in more and larger gaps, which will cause more dust particles to enter the gaps. Over time, the grease on the sliding surface of the bearing will be diluted and consumed by dust and foreign matters. At the same time, the surface of the wear-resistant plate is severely worn, and the bearing has failed and needs to be replaced.

[0004] On the other hand, the bottom basin of the bearing is an open circular pot-shaped structure, and dust and foreign matter particles can easily enter the bottom basin, resulting in local failure of the brass sealing ring. In this case, the compressed rubber bearing plate component will be extruded and damaged from the gap of the brass sealing ring. The rubber bearing plate is the core structural component for the bearing to bear pressure and realize the corner function, and its damage directly leads to the failure of the bearing and needs to be replaced.

[0005] In the dust-proof design of bearings, the conventional method is to surround a circle of rubber sheets around the top plate of the bearing to achieve the dust-proof function of the bearing, but this is an incompletely sealed structure, and a large amount of dust and foreign matters can still easily enter the internal structure of the bearing from the gap under the apron. In addition, since the apron provided on the periphery often affects the installation of the bearing, many construction units will remove this apron to install the bearing. For the replacement of the bearing, it often means that a large amount of manpower and material resources need to be invested, and at the same time, traffic needs to be restricted or closed, bringing a great deal of workload and potential safety hazards to construction and maintenance units. Content of the Utility Model

[0006] The main technical problem to be solved by the utility model is to provide a pot bearing for bridge with dust-proof function, which can solve the dust-proof requirements inside the bottom basin and on the surface of the flat wear-resistant plate, and is convenient and reliable for installation.

[0007] To solve the above technical problem, a technical solution adopted by the utility model is: a pot bearing for bridge with dust-proof function, including a top plate and a bottom basin, the top plate is installed on the bottom basin, and a flat stainless steel plate, a flat wear-resistant plate, an intermediate steel lining plate and a rubber bearing plate are installed between the top plate and the bottom basin in sequence from top to bottom. An integrated dust-proof structure is also installed between the top plate and the bottom basin;

[0008] The integrated dust-proof structure includes a positioning structure for fixing with the intermediate steel liner, a first sealing structure for fitting with the lower part of the flat stainless steel plate, and a second sealing structure for filling the gap between the bottom basin and the intermediate steel liner.

[0009] In a preferred embodiment of the present utility model, the positioning structure, the first sealing structure, and the second sealing structure are integrally formed, and the first sealing structure and the second sealing structure are respectively installed at the upper end and the lower end of the positioning structure.

[0010] In a preferred embodiment of the present utility model, a groove is provided in the middle of the intermediate steel liner, the lower end of the flat wear-resistant plate is installed in the groove, and the upper end is exposed from the groove and connected to the flat stainless steel plate installed at the bottom of the top plate. The intermediate steel liner and the rubber bearing plate are stacked up and down and installed in the pelvic cavity of the bottom basin, and a brass sealing ring is installed between the rubber bearing plate and the inner wall of the pelvic cavity.

[0011] In a preferred embodiment of the present utility model, the positioning structure is a dust-proof ring, a positioning ring is provided on the inner wall of the dust-proof ring, the positioning ring is matched with the positioning groove on the side of the intermediate steel liner, and first chamfers are symmetrically provided on the upper and lower sides of the inner wall of the positioning ring.

[0012] In a preferred embodiment of the present utility model, the first sealing structure is a first sealing edge that is inclined outward, and an arc is provided at the top of the first sealing edge.

[0013] In a preferred embodiment of the present utility model, the second sealing structure is a vertical second sealing edge, a second chamfer is provided at the lower end of the inner wall of the second sealing edge, and the second sealing edge is matched with the gap between the pelvic cavity and the intermediate steel liner.

[0014] The beneficial effects of the present utility model are as follows: A bridge pot bearing with a dust-proof function in the present utility model is provided with an integrated dust-proof structure installed inside, which can meet the dust-proof requirements inside the bottom basin and on the surface of the flat wear-resistant plate, and is convenient and reliable to install. Description of the Drawings

[0015] Figure 1 It is a half-sectional view of the front view of a bridge pot bearing with a dust-proof function.

[0016] Figure 2 It is a sectional view of the integrated dust-proof structure of a bridge pot bearing with a dust-proof function.

[0017] Figure 3 It is a half-sectional view of the front view of a conventional existing bearing.

[0018] The markings of each component in the attached drawings are as follows: 1. Top plate; 2. Bottom basin; 3. Pelvic cavity; 4. Flat stainless steel plate; 5. Flat wear-resistant plate; 6. Intermediate steel lining plate; 7. Rubber bearing plate; 8. Brass sealing ring; 9. Dust-proof ring; 10. Positioning ring; 11. First sealing edge; 12. Second sealing edge; 13. Positioning groove. Detailed implementation manners

[0019] The following elaborates on the preferred embodiments of the present utility model in conjunction with the attached 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 a clearer and more definite definition of the protection scope of the present utility model.

[0020] Please refer to Figures 1 to 3 , the embodiments of the present utility model include: a bridge pot bearing with a dust-proof function, including a top plate 1 and a bottom basin 2. The top plate 1 is installed on the bottom basin 2, and the top plate 1 contacts the bottom of the beam body to transfer the load of the upper structure of the bridge.

[0021] The bottom basin 2 is the product base, and a pelvic cavity 3 is provided inside to limit the intermediate steel lining plate 6, the brass sealing ring 8, and the rubber bearing plate 7 therein. The lower part contacts the top padstone of the pier to transfer the load of the upper structure to the pier.

[0022] A flat stainless steel plate 4, a flat wear-resistant plate 5, an intermediate steel lining plate 6, and a rubber bearing plate 7 are sequentially installed between the top plate 1 and the bottom basin 2 from top to bottom. An integrated dust-proof structure is also installed between the top plate 1 and the bottom basin 2, which can meet the dust-proof requirements inside the bottom basin 2 and on the surface of the flat wear-resistant plate 5, and is convenient and reliable to install.

[0023] The integrated dust-proof structure includes a positioning structure for fixing with the intermediate steel lining plate 6, a first sealing structure for fitting with the lower part of the flat stainless steel plate 4, and a second sealing structure for filling the gap between the bottom basin 2 and the intermediate steel lining plate 6.

[0024] The positioning structure, the first sealing structure, and the second sealing structure are integrally formed, and the first sealing structure and the second sealing structure are respectively installed at the upper end and the lower end of the positioning structure.

[0025] A groove is provided in the middle of the intermediate steel lining plate 6. While transferring the upper vertical load, the intermediate steel lining plate 6 can squeeze the rubber bearing plate 7 inside the bottom basin 2 to make it rotate, so as to adapt to the disturbance of the upper bridge structure due to various reasons such as load. The groove plays a role in limiting the flat wear-resistant plate 5.

[0026] The lower end of the flat wear-resistant plate 5 is installed in the groove, and the upper end is exposed from the groove and then connected to the flat stainless-steel plate 4 installed at the bottom of the top plate 1. The flat stainless-steel plate 4 and the flat wear-resistant plate 5 form a flat friction pair to adapt to the displacement changes of the beam body due to temperature and braking force.

[0027] The flat wear-resistant plate 5 is made of polymer material and coated with grease on the surface, which can provide a lower friction coefficient.

[0028] The intermediate steel liner 6 and the rubber bearing plate 7 are stacked up and down and installed in the pelvic cavity 3 of the bottom basin 2. The rubber bearing plate 7 can transfer the vertical load and also realize the vertical rotation function of the whole bearing through its own deformable ability.

[0029] A brass sealing ring 8 is installed between the rubber bearing plate 7 and the inner wall of the pelvic cavity 3. The brass sealing ring 8 exerts a restraining effect on the rubber bearing plate 7 to prevent the rubber bearing plate 7 from being extruded during the rotation of the intermediate steel liner 6.

[0030] The positioning structure is a dust-proof ring 9. A positioning ring 10 is provided on the inner wall of the dust-proof ring 9. The positioning ring 10 cooperates with the positioning groove 13 on the side of the intermediate steel liner 6, so that the integrated dust-proof structure is embedded around the intermediate steel liner 6 under the action of the pre-tightening force.

[0031] First chamfers are symmetrically provided on the upper and lower sides of the inner wall of the positioning ring 10. The first chamfers make it smoother for the dust-proof ring 9 to be installed on the intermediate steel liner 6 and have a certain guiding and positioning function.

[0032] The first sealing structure is a first sealing edge 11 that slopes outward. An arc is provided at the top of the first sealing edge 11, so that it can better fit the bottom of the flat stainless-steel plate 4, thereby completely sealing the flat wear-resistant plate 5 in a closed space. While preventing dust from entering the sliding surface, it can also scrape out the dust outside the surface of the flat stainless-steel plate 4 when the top plate 1 of the bearing undergoes normal displacement.

[0033] The second sealing structure is a vertical first sealing edge 12. A second chamfer is provided at the lower end of the inner wall of the first sealing edge 12. The first sealing edge 12 cooperates with the gap between the pelvic cavity 3 and the intermediate steel liner 6.

[0034] Compared with the prior art, the utility model relates to a bridge pot bearing with a dust-proof function. An integrated dust-proof structure is installed in the bridge bearing, which can meet the dust-proof requirements inside the bottom basin and on the surface of the flat wear-resistant plate, and is convenient and reliable to install.

[0035] The integrated dust-proof structure is integrally molded without splicing or bonding, and is installed in an inlaid manner on the side of the middle steel plate with a certain pre-tightening force. The installation is simple and the performance is reliable. It not only solves the dust-proof requirements inside the bottom basin and on the surface of the flat wear-resistant plate, but also effectively fills the gap between the middle steel lining plate and the bottom basin, preventing dust and foreign objects from entering the bottom basin. This will greatly improve the dust-proof function and effect of the existing bridge pot bearings, ensuring the normal operation and safety of the bearings and the bridge structure.

[0036] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0037] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A pot bearing for bridges with dust-proof function, comprising a top plate and a bottom basin, the top plate is installed on the bottom basin, and a flat stainless steel plate, a flat wear-resistant plate, an intermediate steel lining plate and a rubber bearing plate are sequentially installed between the top plate and the bottom basin from top to bottom, and it is characterized in that, An integrated dust-proof structure is also installed between the top plate and the bottom basin; The integrated dust-proof structure includes a positioning structure for fixing to the intermediate steel liner, a first sealing structure for fitting to the lower part of the flat stainless steel plate, and a second sealing structure for filling the gap between the bottom basin and the intermediate steel liner.

2. The pot bearing for bridge with dust-proof function according to claim 1, characterized in that: The positioning structure, the first sealing structure, and the second sealing structure are integrally formed, and the first sealing structure and the second sealing structure are respectively installed at the upper end and the lower end of the positioning structure.

3. The pot bearing for bridge with dust-proof function according to claim 1, characterized in that: A groove is provided in the middle of the intermediate steel liner. The lower end of the flat wear-resistant plate is installed in the groove, and the upper end is exposed from the groove and connected to the flat stainless steel plate installed at the bottom of the top plate. The intermediate steel liner and the rubber bearing plate are installed in the pelvic cavity of the bottom basin in an upper and lower stacked manner, and a brass sealing ring is installed between the rubber bearing plate and the inner wall of the pelvic cavity.

4. A pot bearing for bridge with dust-proof function according to claim 1, characterized in that: The positioning structure is a dust-proof ring, and a positioning ring is provided on the inner wall of the dust-proof ring. The positioning ring is matched with the positioning groove on the side of the intermediate steel liner, and first chamfers are symmetrically provided on the upper and lower sides of the inner wall of the positioning ring.

5. The pot bearing for bridge with dust-proof function according to claim 1, characterized in that: The first sealing structure is a first sealing edge that slopes outward, and an arc is provided at the top of the first sealing edge.

6. The pot bearing for bridge with dust-proof function according to claim 3, characterized in that: The second sealing structure is a vertical second sealing edge, and a second chamfer is provided at the lower end of the inner wall of the second sealing edge. The second sealing edge is matched with the gap between the pelvic cavity and the intermediate steel liner.

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