CN111305056A - Maintenance-free or less-maintenance bridge support - Google Patents
Maintenance-free or less-maintenance bridge support Download PDFInfo
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- CN111305056A CN111305056A CN202010218619.5A CN202010218619A CN111305056A CN 111305056 A CN111305056 A CN 111305056A CN 202010218619 A CN202010218619 A CN 202010218619A CN 111305056 A CN111305056 A CN 111305056A
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- maintenance
- dustproof
- bolt
- seat plate
- bedplate
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a non-maintaining or few maintenance bridge beam supports, includes upper seat board, well bedplate, bedplate down, is equipped with the anchor bolt subassembly that is used for being connected with the bridge on upper seat board and bedplate down: the lower surface of the upper seat plate is a plane, the two or four corresponding sides of the lower surface of the upper seat plate are provided with dustproof partition plates, and the dustproof partition plates are perpendicular to the lower surface of the upper seat plate; a dustproof baffle I is fixed above the dustproof baffle and is perpendicular to the dustproof baffle; a closing component for sealing the bolt head is arranged at the head of the anchor bolt component. The support has excellent dustproof and corrosion-resistant effects, can effectively protect the friction pair of the bridge support, avoids the corrosion of foundation bolts and main materials, further reduces the maintenance frequency of the support, achieves the purpose of less maintenance or maintenance-free, and greatly reduces the full life cycle cost of the support.
Description
Technical Field
The invention relates to the technical field of bridge supports, in particular to a maintenance-free or less-maintenance bridge support.
Background
The bridge has long design life, and regular maintenance of the auxiliary components is a necessary measure for ensuring long life. The bridge bearing generally requires that inspection and maintenance are carried out every year regularly during the use period, and the maintenance items mainly include: (1) checking whether the foundation bolt is sheared or not, checking whether the foundation bolt is rusted or not, loosening the foundation bolt once to prevent the thread from being rusted, and then fastening again; (2) checking whether the dustproof sealing skirt of the support is damaged or not; (3) checking whether the guide limiting plate is sheared or not; (4) checking whether the relative displacement of the support is uniform or not, and recording the displacement of the support one by one; (5) removing impurities near the support and wiping off dust on the surface of the stainless steel; (6) checking and checking the height change of the support at fixed points so as to check the wear condition of the polytetrafluoroethylene in the support; (7) the support steel member was periodically subjected to a paint rust-proofing treatment (except for a stainless steel sliding surface). From the maintenance projects, the foundation bolt maintenance, the dustproof device maintenance and the surface paint maintenance are the most important in the support maintenance, the maintenance work difficulty and the consumption workload are the most, particularly, under the complicated geological and environmental conditions, the line maintenance work faces multiple severe environmental problems, and the maintenance work is extremely hard. At present, the conventional support does not carry out special design and protection on the structure, so that the problems of increase of support maintenance times, difficulty in support maintenance, high support maintenance cost and the like are caused, and the support design free of maintenance or less maintenance is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a maintenance-free or less-maintenance bridge support which can completely solve the defects of the prior art through a dustproof structure design and a bolt protection structure design.
In order to realize the technical purpose, the adopted technical scheme is as follows: the utility model provides a non-maintaining or few maintenance bridge beam supports, includes upper seat board, well bedplate, bedplate down, is equipped with the anchor bolt subassembly that is used for being connected with the bridge on upper seat board and bedplate down:
the lower surface of the upper seat plate is a plane, the two or four corresponding sides of the lower surface of the upper seat plate are provided with dustproof partition plates, and the dustproof partition plates are perpendicular to the lower surface of the upper seat plate;
a dustproof baffle I is fixed above the dustproof baffle and is perpendicular to the dustproof baffle;
a closing component for sealing the bolt head is arranged at the head of the anchor bolt component.
The below of dust guard I is equipped with dust guard II of fixing on the bedplate down, and dust guard II forms the staggered floor structure with dust guard I.
The dustproof baffle is an arc-shaped plate.
The upper cylindrical surface of the lower seat plate is in smooth transition with the upper surface of the bottom plate of the lower seat plate, and the upper surface of the bottom plate of the lower seat plate is provided with a slope inclining towards the lower part of the outer side. The sealing assembly comprises an anti-corrosion washer and a bolt cap, the bolt cap is sleeved outside a bolt head of the anchor bolt assembly, an internal thread is arranged on the inner wall of the bolt cap, the anti-corrosion washer is sleeved below the bolt head of the anchor bolt assembly, and an external thread matched with the internal thread is arranged on the outer wall of the anti-corrosion washer.
The upper column of the lower seat plate faces the adduction waist.
The sealing assembly comprises an anti-corrosion washer and a bolt cap, the bolt cap is sleeved outside a bolt head of the anchor bolt assembly, an internal thread is arranged on the inner wall of the bolt cap, the anti-corrosion washer is sleeved below the bolt head of the anchor bolt assembly, and an external thread matched with the internal thread is arranged on the outer wall of the anti-corrosion washer.
And a sealing washer below the bolt head sleeved with the anchor bolt assembly is pressed below the anti-corrosion washer and the bolt cap.
The sealing washer is a non-metallic washer.
The upper seat plate and the dustproof partition plate are integrally cast or connected in a split mode, and the upper seat plate and the dustproof partition plate are connected in a bolted connection or welded connection mode when the upper seat plate and the dustproof partition plate are connected in the split mode.
The dustproof baffle I is fixed on the dustproof partition plate through one of welding, bolt connection or pull-plug connection.
The invention has the beneficial effects that: the support has excellent dustproof and corrosion-resistant effects, can effectively protect the friction pair of the bridge support, avoids the corrosion of foundation bolts and main materials, further reduces the maintenance frequency of the support, achieves the purpose of less maintenance or maintenance-free, and greatly reduces the full life cycle cost of the support.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural combination diagram of the dustproof partition board and the upper seat board of the present invention;
FIG. 3 is a front view of the construction of the dust barrier of the present invention;
FIG. 4 is a top view of the construction of the dust barrier of the present invention;
FIG. 5 is a schematic view of the construction of the closure assembly of the present invention;
in the figure: 1. an upper seat plate; 2. a middle seat plate; 3. a lower seat plate; 4. an anchor bolt assembly; 11. a guide plate; 12. a dust-proof partition plate; 13, a dustproof baffle I; 14. a dustproof baffle II; 41. a closure assembly; 411. a bolt cap; 412. an anti-corrosion gasket; 413. a gasket is provided.
Detailed Description
The present invention will be described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the embodiments.
The utility model provides a non-maintaining or few maintenance bridge beam supports, can non-maintaining under basic environment, under adverse circumstances, for example can few maintenance under the sand blown by the wind environment, bridge beam supports includes bedplate 1, well bedplate 2, bedplate 3 down, bedplate 1 goes up, well bedplate 2, bedplate 3 sets gradually from last to down, for example, one-way bridge beam supports, multidirectional bridge beam supports, hyperboloid support, ball-type support etc. be equipped with the anchor bolt subassembly 4 that is used for being connected with the bridge on bedplate 1 and bedplate 3 down, anchor bolt subassembly 4 passes the mounting hole that reserves on bedplate 1 or bedplate 3 down through rag bolt, realize being connected with the roof beam body or mound.
As shown in fig. 1, the lower surface of the upper seat plate 1 is a plane, the lower surface of the upper seat plate 1 is provided with dust-proof partition plates 12 on two or four corresponding sides, and the dust-proof partition plates 12 are perpendicular to the lower surface of the upper seat plate 1; when the lower surface of upper seat board 1 establishes the deflector 11 that is used for the bedplate direction down, correspond on the lower surface of upper seat board 1 with two deflector 11 looks vertically and set up two dustproof baffle 12, two dustproof baffle 2 enclose into dustproof space with two deflectors 11, as shown in fig. 2, fig. 3, fig. 4, the mounted position of dustproof baffle 2 will not influence the horizontal displacement of support, the shape structure of its inboard best cooperatees with the bedplate surface under the support, the upper portion of bedplate is the cylinder down, dustproof baffle 2 is the arc promptly, the best is the circular arc.
The upper seat plate 1 and the dustproof partition plate 12 are integrally cast or connected in a split mode, and when the split mode is connected, bolt connection or welding is adopted.
Be fixed with dust baffle I13 in the top of dust baffle 12, dust baffle I13 perpendicular to dust baffle 12 sets up, dust baffle I13 orientation down the seat setting to and have the certain distance down between the seat surface, this distance will satisfy the horizontal displacement of support, the inboard shape of dust baffle I13 is optimum to cooperate with the seat surface under the support, the upper portion of seat board is the cylinder down, the inboard shape of dust baffle I13 is arc promptly. The dustproof structure consisting of the dustproof partition plate 12 and the dustproof baffle I13 can prevent dust and other impurities from entering a friction pair between the seat plates.
The dustproof baffle I13 is fixed on the dustproof partition plate 12 through one of welding, bolt connection or plug-in connection.
A closing member 41 for sealing the bolt head is provided at the head of the anchor bolt assembly 4, and the closing member 41 prevents the anchor bolt from being corroded.
The below of dustproof baffle I13 is equipped with dustproof baffle II 14 fixed on bedplate 3 down, and dustproof baffle II 14 forms the staggered floor structure with dustproof baffle I13, makes dustproof baffle II 14, and dustproof baffle II 14 forms the labyrinth with dustproof baffle I13, and is further dustproof.
The smooth transition of 3 upper portion cylinders of bedplate and the bottom plate upper surface of bedplate 3 down, the bottom plate upper surface of bedplate 3 down has the slope of slope to outside below, and the upper portion cylinder bottom of bedplate 3 down has the difference in height with bottom plate upper surface outer fringe promptly, and this design prevents that support surface ponding from long-pending dew.
The upper column surface of the lower seat plate 3 faces the adduction waist, thereby saving the cost and preventing water accumulation and dew accumulation.
As shown in fig. 5, the sealing assembly 41 includes an anti-corrosion washer 412 and a bolt cap 411, the bolt cap 411 is sleeved on the outside of the bolt head of the anchor bolt assembly 4, an inner thread is provided on the inner wall of the bolt cap 411, the anti-corrosion washer 412 is sleeved on the lower side of the bolt head of the anchor bolt assembly 4, and an outer thread matched with the inner thread is provided on the outer wall of the anti-corrosion washer 412. The sealing structure can be quickly disassembled without influencing the disassembly and the assembly of the anchoring bolt assembly 4.
A sealing washer 413, which is fitted under the bolt head of the anchor bolt assembly 4, is pressed under the corrosion prevention washer 412 and the bolt cap 411.
The sealing washer 413 is a non-metallic washer.
Example 1
A maintenance-free or less-maintenance bridge support mainly comprises an upper seat plate 1, a middle seat plate 2, a lower seat plate 3, an anchor bolt assembly 4 and the like. The lower surface of the upper seat plate 1 is provided with a dustproof partition plate 12 in a 'runway type' structure through bolts. Stainless steel dust baffle 13 is installed to dust baffle 12 below, and stainless steel dust baffle I13 perpendicular to dust baffle 12, dust baffle I13 and dust baffle constitute dustproof construction. The anchoring assembly 4 is composed of anchor bolts, sleeves, screws and a closed structure, and the closed structure is composed of a bolt cap 41, a steel washer and a nonmetal washer. Bolt cap 41 is provided with the internal thread, and the steel packing ring is provided with the external screw thread, and bolt cap 41 and steel packing ring screw-thread fit to compress tightly non-metallic gasket, seal rag bolt in inclosed space, realize rag bolt and outside steam's isolation, prevent rag bolt corrosion.
Example 2
The main structure of the embodiment is the same as that of embodiment 1, and the difference from embodiment 1 is that a stainless steel dustproof baffle II 14 is arranged below a stainless steel dustproof baffle I13, two stainless steel dustproof baffles form a staggered structure, and the stainless steel dustproof baffle II 14 is fixed on the lower seat plate 3.
Example 3
The main structure of this embodiment is the same as that of embodiment 1, and is different from embodiment 1 in that the upper surface of the bottom plate of the lower seat plate 3 has a certain slope, so that the formation of accumulated water on the upper surface of the bottom plate can be prevented.
Example 4
The main structure of this embodiment is the same as that of embodiment 1, and is different from embodiment 1 in that one guide plate 11 is installed on each of both sides of a longitudinal bridge of an upper seat plate 1, one dustproof partition plate 12 is installed on each of both sides of a transverse bridge, and both ends of the dustproof partition plate 12 are attached to the guide plates 11 on each end.
The above are merely preferred examples of the present invention and are not intended to limit or restrict the present invention. Various modifications and alterations of this invention will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a non-maintaining or few maintenance bridge beam supports, includes bedplate (1), well bedplate (2), bedplate (3) down, is equipped with anchor bolt subassembly (4) that are used for being connected with the bridge on bedplate (1) and bedplate (3) down, its characterized in that:
the lower surface of the upper seat plate (1) is a plane, the two or four corresponding sides of the lower surface of the upper seat plate (1) are provided with dustproof partition plates (12), and the dustproof partition plates (12) are vertical to the lower surface of the upper seat plate (1);
a dustproof baffle I (13) is fixed above the dustproof partition plate (12), and the dustproof baffle I (13) is perpendicular to the dustproof partition plate (12);
a closing component (41) for sealing the bolt head is arranged at the head of the anchor bolt component (4).
2. The maintenance-free or maintenance-less bridge bearer according to claim 1, wherein: the lower part of dustproof baffle I (13) is equipped with dustproof baffle II (14) fixed on bedplate (3) down, and dustproof baffle II (14) and dustproof baffle I (13) form the staggered layer structure.
3. The maintenance-free or maintenance-less bridge bearer according to claim 1, wherein: the dustproof partition plate (12) is an arc-shaped plate.
4. The maintenance-free or maintenance-less bridge bearer according to claim 1, wherein: the upper cylindrical surface of the lower seat plate (3) is in smooth transition with the upper surface of the bottom plate of the lower seat plate (3), and the upper surface of the bottom plate of the lower seat plate (3) is provided with a slope inclining towards the lower part of the outer side.
5. The bridge bearer with no or little maintenance of claim 4, wherein: the upper column surface of the lower seat plate (3) faces the adduction waist.
6. The maintenance-free or maintenance-less bridge bearer according to claim 1, wherein: the sealing assembly (41) comprises an anti-corrosion washer (412) and a bolt cap (411), the bolt cap (411) is sleeved with the outside of a bolt head of the anchoring bolt assembly (4), an internal thread is arranged on the inner wall of the bolt cap (411), the anti-corrosion washer (412) is sleeved with the lower portion of the bolt head of the anchoring bolt assembly (4), and an external thread matched with the internal thread is arranged on the outer wall of the anti-corrosion washer (412).
7. The bridge bearer with no or little maintenance of claim 6, wherein: and a sealing washer (413) below the bolt head, which is sleeved with the anchor bolt assembly (4), is pressed below the anti-corrosion washer (412) and the bolt cap (411).
8. The bridge bearer with no or little maintenance of claim 7, wherein: the sealing washer (413) is a non-metallic washer.
9. The maintenance-free or maintenance-less bridge bearer according to claim 1, wherein: the upper seat plate (1) and the dustproof partition plate (12) are integrally cast or connected in a split mode, and when the upper seat plate and the dustproof partition plate are connected in the split mode, bolt connection or welding is adopted.
10. The maintenance-free or maintenance-less bridge bearer according to claim 1, wherein: the dustproof baffle I (13) is fixed on the dustproof partition plate (12) through one of welding, bolt connection or pull-plug connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218619.5A CN111305056A (en) | 2020-03-25 | 2020-03-25 | Maintenance-free or less-maintenance bridge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218619.5A CN111305056A (en) | 2020-03-25 | 2020-03-25 | Maintenance-free or less-maintenance bridge support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305056A true CN111305056A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010218619.5A Pending CN111305056A (en) | 2020-03-25 | 2020-03-25 | Maintenance-free or less-maintenance bridge support |
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| Country | Link |
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| CN (1) | CN111305056A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374655A (en) * | 2021-07-08 | 2021-09-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Mountain wind power blade capable of reducing influence of environmental change |
-
2020
- 2020-03-25 CN CN202010218619.5A patent/CN111305056A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374655A (en) * | 2021-07-08 | 2021-09-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Mountain wind power blade capable of reducing influence of environmental change |
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| CB02 | Change of applicant information |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Applicant after: China Railway Second Institute Project Refco Group Ltd Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. Applicant before: China Railway Second Institute Project Refco Group Ltd |
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| CB02 | Change of applicant information |