CN111794124A - Quick assembly type bridge swivel support - Google Patents
Quick assembly type bridge swivel support Download PDFInfo
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- CN111794124A CN111794124A CN201910279791.9A CN201910279791A CN111794124A CN 111794124 A CN111794124 A CN 111794124A CN 201910279791 A CN201910279791 A CN 201910279791A CN 111794124 A CN111794124 A CN 111794124A
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- support
- bridge
- wear
- spherical surface
- lower support
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a rapid assembly type bridge swivel support which comprises an upper support (10) and a lower support (20) in spherical contact with the upper support (10), wherein the lower support (20) is provided with an inner concave spherical surface (21), a plurality of sinking grooves (22) are formed in the inner concave spherical surface (21), a wear-resisting plate (30) matched with the corresponding sinking groove (22) in shape is laid in each sinking groove (22), the upper support (10) is provided with an outer convex spherical surface (11), and the outer convex spherical surface (11) is matched with the inner concave spherical surface (21). By the spherical contact design of the upper support and the lower support, the compression resistance of the supports can be greatly improved, and the large-tonnage bridge rotation body is realized; in addition, the wear-resisting plates are arranged in the sinking grooves, so that the wear-resisting plates can be prevented from sliding in the process of rotating the bridge, and the stability of the rapid assembly type bridge rotating support is improved.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a rapid assembly type bridge swivel support.
Background
In recent years, with the gradual improvement of infrastructure in China, the situation that urban bridges span higher existing railway lines and existing roads is more and more. The bridge construction technology is a better choice due to the need of reducing interference to existing high-speed rail or existing highway transportation to the maximum extent.
At present, bridge rotation construction needs to be completed by applying a bridge rotation support, and the existing bridge rotation support still has the problems of leveling, complicated centering process and the like in the installation and use process; and because the restriction of central pivot, it is easy to cause destruction to the bridge support of turning in the bridge rotation process to arouse that the centering offset is easy, turn the construction to the bridge in later stage and cause the potential safety hazard, and influence bridge and turn back positioning accuracy.
Therefore, the invention discloses a novel bridge swivel support which is extremely necessary for overcoming the use defects of the existing bridge swivel support.
Disclosure of Invention
The invention aims to provide a rapid assembly type bridge rotating support, which aims to solve the problem that the bridge rotating support is easy to damage due to the limitation of a central rotating shaft in the prior art.
In order to achieve the purpose, the invention provides a rapid assembly type bridge swivel support which comprises an upper support and a lower support in contact with the spherical surface of the upper support, wherein the lower support is provided with an inner concave spherical surface, the inner concave spherical surface is provided with a plurality of sinking grooves, each sinking groove is internally provided with a wear-resisting plate matched with the corresponding sinking groove in shape, the upper support is provided with an outer convex spherical surface, the outer convex spherical surface is matched with the inner concave spherical surface, and the wear-resisting plate is positioned below the outer convex spherical surface and used for supporting the upper support.
Optionally, the top surface of each wear-resistant plate is attached to the convex spherical surface, and the thickness of each wear-resistant plate is greater than the depth of the corresponding sinking groove.
Optionally, the plurality of sinking grooves include a circular sinking groove located at the center of the concave spherical surface and a plurality of fan-shaped sinking grooves surrounding the circular sinking groove.
Optionally, the thickness of the wear-resistant plate in each fan-shaped sinking groove is equal, and the thickness of the wear-resistant plate in each fan-shaped sinking groove is greater than that of the wear-resistant plate in the circular sinking groove.
Optionally, a plurality of upper anchor rods are uniformly distributed on the edge of the upper support and used for connecting a bridge; and a plurality of lower anchor rods are uniformly distributed at the edge of the lower support and are used for connecting the base.
Optionally, a plurality of reinforcing steel bars are fixedly arranged on each upper anchor rod and each lower anchor rod, and each reinforcing steel bar is perpendicular to the corresponding upper anchor rod or lower anchor rod.
Optionally, a plurality of adjusting bolts are uniformly distributed in the edge area of the lower support, each adjusting bolt is longitudinally arranged, and the adjusting bolts are used for adjusting the levelness of the lower support.
Optionally, a plurality of adjusting screws are uniformly distributed in the edge area of the upper support or the lower support, each adjusting screw is longitudinally arranged, and the adjusting screws are used for locking the upper support and the lower support.
Optionally, the upper support is provided with a reinforcing rib on one surface opposite to the convex spherical surface.
Optionally, the reinforcing rib includes a plurality of radial rib plates which are outwardly divergent from the center of the upper support and a circumferential rib plate between any two adjacent radial rib plates.
By the spherical contact design of the upper support and the lower support, the compression resistance of the supports can be greatly improved, and the large-tonnage bridge rotation body is realized; in addition, the upper support and the lower support are not provided with the rotating pin shaft, so that the processing time can be greatly shortened, the processing cost is reduced, the situation that the pin shaft is blocked and cannot rotate in the bridge rotation process can be avoided, and the service performance is improved; furthermore, the wear-resisting plates are arranged in the sinking grooves, so that the wear-resisting plates can be prevented from sliding in the process of rotating the bridge, and the stability of the rapid assembly type bridge rotating support is improved.
Drawings
FIG. 1 is a schematic perspective view of a quick-mount bridge swivel support according to an embodiment of the present invention;
FIG. 2 is an exploded view of the quick assembly bridge swivel mount of FIG. 1;
fig. 3 is a perspective view of the upper mount of the quick-assembly bridge swivel mount of fig. 1.
Reference numerals:
10-an upper support; 11-convex spherical surface; 12-installing an anchor rod; 13-reinforcing ribs;
20-a lower support; 21-concave spherical surface; 22-sinking the tank; 23-lower anchor rod; 24-an adjusting bolt;
30-a wear plate;
and 40-adjusting the screw rod.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
With reference to fig. 1 and fig. 2, the embodiment provides a fast assembly bridge swivel support, which includes an upper support 10 and a lower support 20 in spherical contact with the upper support 10, where the lower support 20 has an inner concave spherical surface 21, the inner concave spherical surface 21 has a plurality of sinking grooves 22, each sinking groove 22 has a wear-resisting plate 30 laid therein, the shape of the wear-resisting plate matches that of the corresponding sinking groove 22, the upper support 10 has an outer convex spherical surface 11 (see fig. 3), the outer convex spherical surface 11 fits the inner concave spherical surface 21, and the wear-resisting plate 30 is located below the outer convex spherical surface 11 and is used for supporting the upper support 10. By the spherical contact design of the upper support 10 and the lower support 20, the compression resistance of the supports can be greatly improved, and the large-tonnage bridge rotation body is realized; in addition, the upper support 10 and the lower support 20 are not provided with rotating pin shafts, so that the processing time can be greatly shortened, the processing cost can be reduced, the situation that the pin shafts are locked and cannot rotate in the bridge rotating process can be avoided, and the service performance is improved; further, the wear-resisting plates 30 are arranged in the sinking grooves 22, so that the wear-resisting plates 30 can be prevented from sliding in the process of rotating the bridge, and the use stability of the rapid assembly type bridge rotating support is improved.
In a specific embodiment, the top surface of each wear plate 30 is attached to the convex spherical surface 11, the thickness of each wear plate 30 is greater than the depth of the corresponding concave groove, so that the wear plates 30 protrude from the concave grooves, the convex spherical surfaces 11 preferentially apply a force on the wear plates 30, when the wear plates 30 are slightly deformed and/or worn under the action of the gravity of the bridge, the concave spherical surfaces 21 contact the convex spherical surfaces 11 and provide a supporting force for the convex spherical surfaces 11, and since more of the convex spherical surfaces 11 contact the wear plates 30 and the wear plates 30 are higher, although the concave spherical surfaces 21 provide the supporting force, the force borne by the concave spherical surfaces 21 is smaller than that of the convex spherical surfaces 21, so that the function of the wear plates 30 is fully exerted, and the stability and safety of the bridge in the rotating process are improved. The height of the wear plates 30 protruding from the sinking groove may be specifically designed according to the weight of the actual bridge and the effective contact area of all the wear plates 30, and is not specifically limited herein. The wear plate 30 may be fabricated in a prefabricated manner to ensure a circular arc of the top surface of the wear plate 30.
Referring to fig. 2, in a specific embodiment, the plurality of sinking grooves 22 include a circular sinking groove located at the center of the concave spherical surface 21 and a plurality of fan-shaped sinking grooves surrounding the circular sinking groove, and the bottom surface of each circular sinking groove and the bottom surface of each fan-shaped sinking groove are spherical surfaces.
The thicknesses of the wear plates 30 in each fan-shaped sinking groove are equal, and the thickness of the wear plate 30 in each fan-shaped sinking groove is greater than that of the wear plate 30 in the circular sinking groove. Therefore, the acting force is preferentially applied to the wear-resisting plates 30 in the fan-shaped sunken grooves by the convex spherical surfaces 11, most of gravity is applied to the wear-resisting plates 30 in the fan-shaped sunken grooves, after the wear-resisting plates 30 in the fan-shaped sunken grooves are subjected to micro deformation and/or micro abrasion, the wear-resisting plates 30 in the circular sunken grooves provide supporting force for the convex spherical surfaces 11, and most of supporting force is still provided by the wear-resisting plates 30 in the fan-shaped sunken grooves, so that the central position of the upper support 10 can be kept at the central position of the circular sunken grooves, the deviation of the rotating center of the upper support 10 is avoided, and the bridge rotating precision is improved.
In a specific embodiment, a plurality of upper anchor rods 12 are uniformly distributed on the edge of the upper support 10, and the upper anchor rods 12 are used for connecting a bridge; a plurality of lower anchor rods 23 are uniformly distributed on the edge of the lower support 20, and the lower anchor rods 23 are used for connecting the base. The person skilled in the art can also adopt different connection modes as long as the upper support 10 is stably connected with the bridge and the lower support 20 is stably connected with the foundation.
Each upper anchor rod 12 and each lower anchor rod 23 are fixedly provided with a plurality of steel bars, and each steel bar is perpendicular to the corresponding upper anchor rod 12 or lower anchor rod 23. Through setting up the reinforcing bar, can improve the stability of connecting effectively. In this embodiment, the reinforcing bars are used in the shape of an "L", and one side of the reinforcing bars is welded to the corresponding upper anchor bar 12 or lower anchor bar 23, and the other side is perpendicular to the corresponding upper anchor bar 12 or lower anchor bar 23.
In a specific embodiment, a plurality of adjusting bolts 24 are uniformly distributed on the edge region of the lower support 20, each adjusting bolt 24 is longitudinally arranged, and the adjusting bolts 24 are used for adjusting the levelness of the lower support 20. After the lower support 20 is mounted on the base, if the lower support 20 is inclined, the lower support 20 can be adjusted up and down through the adjusting bolt 24, and the lower support 20 is leveled.
A plurality of adjusting screws 40 are uniformly distributed in the edge area of the upper support 10 or the lower support 20, each adjusting screw 40 is longitudinally arranged, and the adjusting screws 40 are used for locking the upper support 10 and the lower support 20. That is, the adjusting screw 40 may be provided on the upper support 10 or the lower support 20. In this embodiment, the adjusting screw 40 is disposed on the lower support 20, after the upper support 10 is fixed on the bridge, the whole bridge can be suspended by a crane, the lower support 20 is provided with a plurality of connecting holes, each connecting hole corresponds to one adjusting screw 40, the adjusting screws 40 are aligned with the connecting holes to ensure that the central positions of the upper support 10 and the lower support 20 are not deviated, and ensure that the upper support 10 does not rotate relative to the lower support 20, when the bridge needs to be rotated, the adjusting screws 40 are first cut off, and then the bridge is rotated to a designated position, thereby completing the construction.
In order to improve the strength of the upper support 10, the upper support 10 is provided with a reinforcing rib 13 on the surface opposite to the convex spherical surface 11. The concrete structure of the reinforcing rib 13 can be as shown in fig. 1, and includes a plurality of radial rib plates which are diverged outwards from the center of the upper support 10 and a circumferential rib plate between two adjacent radial rib plates. The rib plates can be arranged on the upper support 10 in a welding mode, and the structural strength of the convex spherical surface 11 can be effectively improved.
In summary, the fast assembly bridge swivel support provided by the embodiment has a simple structure, and can realize fast assembly, swivel without pin shaft, large tonnage, wide angle bridge swivel application and other functions.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a quick assembly type bridge support of turning, its characterized in that, including upper bracket (10) and with lower support (20) of upper bracket (10) sphere contact, lower support (20) have one indent sphere (21), a plurality of heavy grooves (22) have been seted up on indent sphere (21), every all laid in heavy groove (22) with correspond heavy groove (22) shape assorted antifriction plate (30), upper bracket (10) have one evagination sphere (11), evagination sphere (11) with indent sphere (21) coincide, antifriction plate (30) are located under evagination sphere (11), are used for supporting upper bracket (10).
2. The quick assembly bridge swivel support according to claim 1, wherein the top surface of each wear plate (30) is in abutment with the convex spherical surface (11), and the thickness of each wear plate (30) is greater than the depth of the corresponding countersunk groove.
3. The bracket according to claim 2, wherein the plurality of sunken grooves (22) comprise a circular sunken groove located at the center of the concave spherical surface (21) and a plurality of fan-shaped sunken grooves surrounding the circular sunken groove.
4. The quick assembly bridge swivel support according to claim 3, wherein the wear plates (30) in each of the fan-shaped countersunk grooves are equal in thickness, and the thickness of the wear plates (30) in each of the fan-shaped countersunk grooves is greater than the thickness of the wear plates (30) in the circular countersunk groove.
5. The quick assembly bridge swivel support according to claim 1, wherein the upper support (10) has a plurality of upper anchor rods (12) distributed uniformly on the edge, and the upper anchor rods (12) are used for connecting a bridge; a plurality of lower anchor rods (23) are uniformly distributed on the edge of the lower support (20), and the lower anchor rods (23) are used for connecting the base.
6. The quick-assembly bridge swivel support according to claim 5, wherein a plurality of reinforcing bars are fixedly provided on each of the upper anchor rods (12) and the lower anchor rods (23), each reinforcing bar being perpendicular to the corresponding upper anchor rod (12) or lower anchor rod (23).
7. The quick assembly bridge swivel support according to claim 1, wherein the lower support (20) is provided with a plurality of adjusting bolts (24) distributed on the edge area, each adjusting bolt (24) is longitudinally arranged, and the adjusting bolts (24) are used for adjusting the levelness of the lower support (20).
8. Fast assembling bridge swivel support according to claim 1, characterized in that the upper support (10) or the lower support (20) is provided with several adjusting screws (40) distributed over the edge area, each adjusting screw (40) being arranged longitudinally, the adjusting screws (40) being used to lock the upper support (10) and the lower support (20).
9. Quick assembly bridge swivel support according to claim 1, wherein the upper support (10) is provided with a reinforcement (13) on the side opposite to the convex spherical surface (11).
10. The bracket for a quick assembly bridge swivel according to claim 9, wherein the reinforcing ribs (13) comprise a plurality of radial ribs which are outwardly divergent from the center of the upper bracket (10) and a circumferential rib between any two adjacent radial ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279791.9A CN111794124A (en) | 2019-04-09 | 2019-04-09 | Quick assembly type bridge swivel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279791.9A CN111794124A (en) | 2019-04-09 | 2019-04-09 | Quick assembly type bridge swivel support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111794124A true CN111794124A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279791.9A Pending CN111794124A (en) | 2019-04-09 | 2019-04-09 | Quick assembly type bridge swivel support |
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| Country | Link |
|---|---|
| CN (1) | CN111794124A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756171A (en) * | 2021-08-30 | 2021-12-07 | 中铁第五勘察设计院集团有限公司 | Combined bridge reverse rotation device and bridge |
| CN113914205A (en) * | 2021-10-25 | 2022-01-11 | 中土集团福州勘察设计研究院有限公司 | Spherical hinge device under support of realizing pin-connected panel rotation |
-
2019
- 2019-04-09 CN CN201910279791.9A patent/CN111794124A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756171A (en) * | 2021-08-30 | 2021-12-07 | 中铁第五勘察设计院集团有限公司 | Combined bridge reverse rotation device and bridge |
| CN113914205A (en) * | 2021-10-25 | 2022-01-11 | 中土集团福州勘察设计研究院有限公司 | Spherical hinge device under support of realizing pin-connected panel rotation |
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