CN115354590A - Self-balancing bridge pier base is changed and is used strutting arrangement - Google Patents
Self-balancing bridge pier base is changed and is used strutting arrangement Download PDFInfo
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- CN115354590A CN115354590A CN202211062848.8A CN202211062848A CN115354590A CN 115354590 A CN115354590 A CN 115354590A CN 202211062848 A CN202211062848 A CN 202211062848A CN 115354590 A CN115354590 A CN 115354590A
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge construction, in particular to a supporting device for replacing a pier seat of a self-balancing bridge, which comprises a plurality of supporting frames, a plurality of first hydraulic cylinders and a plurality of second hydraulic cylinders, a first hydraulic station system and a second hydraulic station system, wherein the supporting frames are arranged between bridge bodies and the bridge and positioned outside piers, the first hydraulic cylinders and the second hydraulic cylinders are arranged in the supporting frames, and the first hydraulic station system and the second hydraulic station system are used for respectively providing hydraulic power media for the first hydraulic cylinders and the second hydraulic cylinders. The high-strength structure of the supporting frame can be utilized to support the bottom of the bridge, so that the application safety performance of the bridge is improved; the telescopic end of the first hydraulic cylinder and the telescopic end of the second hydraulic cylinder are in contact with the bottom surface of the bridge through the same supporting plate, so that the supporting surface is convenient to lift simultaneously, the stress of the bridge is uniform, and the problem that the local pressure is large due to the fact that the contact surface of the hydraulic cylinders is small is solved.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a supporting device for replacing a self-balancing bridge pier base.
Background
According to application publication No. CN112962476A, a method for bridge jacking is changed support, the support has been placed to the pier top surface, the bridge has been placed to the support top surface, the backup pad is installed to pier outside symmetry, two backup pad both ends are connected through the bolt respectively, the jack is installed to backup pad top surface equidistance, install the roof between a plurality of jack tops, link up the power with a plurality of jacks through the roof, jack up the bridge, make the bridge atress even, avoid producing the harm to the bridge construction in the jacking process, can make the trigger ball touch trigger switch to close the highest jack when the roof slopes through the switch chamber, make the roof keep the level, guarantee the jacking effect of roof, and after the roof recovers the level, the trigger switch is kept away from to the trigger ball under the effect of gravity, make the jack restart work again, guarantee the jacking efficiency of roof, make the roof can evenly jack up the bridge, protect the bridge construction.
The bridge bearing is a key structural component used for connecting a beam body and a pier in bridge construction, is used for supporting a bridge, is used as a connector for opening and closing the bridge bearing, bears load transmitted by the beam body for a long time, is easy to cause accidents such as cracking, local concrete damage and the like, and needs to be replaced for maintaining normal use of the bridge and ensuring driving safety.
The processing to the support of disease in the existing market adopts many jacks and oil pump to carry out the jacking operation usually, changes the support, nevertheless because the atress size of every jack is different, the jacking synchronism of every jack is difficult to control, leads to can produce the displacement difference at the jacking in-process, produces the harm to bridge structures.
In addition, in the prior art, if the hydraulic cylinder is damaged, a stable supporting structure is lacked; conventional hydraulic support structure lacks standby structure, has certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a supporting device for replacing a self-balancing bridge pier seat, and solves the problem of insufficient safety of a conventional supporting device for replacing a bridge pier seat.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a supporting device for replacing a pier seat of a self-balancing bridge, which comprises a plurality of supporting frames, a plurality of first hydraulic cylinders, a plurality of second hydraulic cylinders, a first hydraulic station system and a second hydraulic station system, wherein the supporting frames are arranged between bridge columns and outside piers;
wherein a preformed groove for respectively installing the first hydraulic cylinder and the second hydraulic cylinder is arranged in the supporting frame;
the telescopic end of the first hydraulic cylinder and the telescopic end of the second hydraulic cylinder are in contact with the bottom surface of the bridge through the same supporting plate.
Further preferably, two support frames are symmetrically arranged on the outer side of the pier.
And further optimizing, wherein a base is arranged at the bottom of the bridge column body, two replaceable piers are symmetrically arranged at the top of the bridge column body, and a bridge is supported and arranged on the top surfaces of the piers.
And further optimizing, symmetrically installing support frames on two sides of the bridge pier.
And further optimizing, reserved grooves for staggered installation of the first hydraulic cylinders and the second hydraulic cylinders are uniformly arranged in the supporting frame at intervals, the reserved grooves are of a blind hole structure with an open top, and the side walls of the reserved grooves are provided with oil inlets and oil outlets communicated with the hydraulic cylinders.
And further optimizing, wherein oil inlets and oil outlets of the first hydraulic cylinders are respectively communicated with the first hydraulic station system through first high-pressure oil pipes.
And further optimizing, wherein the oil inlets and the oil outlets of the second hydraulic cylinders are respectively communicated with the second hydraulic station system through second high-pressure oil pipes.
And further optimizing, a connecting frame is arranged between the adjacent preformed grooves, a limiting insertion hole is formed in the connecting frame, and a guide rod inserted into the limiting insertion hole is arranged on the bottom surface of the supporting plate.
Preferably, the support frame and the support plate are both formed by forging.
Compared with the prior art, the invention has the beneficial technical effects that: the method can be applied to online implementation, wherein in order to avoid potential safety hazards caused by damage of a hydraulic station system, when a hydraulic cylinder installed in a supporting frame fails, the high-strength structure of the supporting frame can be used for supporting the bottom of the bridge, so that the application safety performance of the method is improved;
on the other hand, the telescopic end of the first hydraulic cylinder and the telescopic end of the second hydraulic cylinder are in contact with the bottom surface of the bridge through the same supporting plate, so that the supporting surface is conveniently lifted at the same time, the stress of the bridge is uniform, and the problem of large local pressure caused by small contact surface of the hydraulic cylinders is avoided;
in addition, in the application, a plurality of hydraulic cylinders are respectively symmetrically arranged on two sides of the beam pier and are simultaneously adjusted through the same hydraulic station system, so that the stress balance between the supporting plate and the bridge is further improved; more importantly, the two sets of hydraulic cylinder systems are arranged in a staggered mode and are mutually standby, and therefore safety performance is further improved.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
Fig. 1 is a schematic structural view of a supporting device for replacing a self-balancing bridge pier base of the invention;
FIG. 2 is an installation schematic diagram of the supporting device for replacing the pier base of the self-balancing bridge of the invention;
FIG. 3 is a schematic view of a pier seat of a bridge;
fig. 4 is a schematic view of an installation structure of the self-balancing bridge pier base replacement supporting device.
Description of reference numerals: 1. a base; 2. a bridge column; 3. a bridge pier; 4. a bridge; 5. a second hydraulic station system; 6. a first hydraulic station system; 7. a first high pressure fuel line; 8. a first hydraulic cylinder; 8a, an oil inlet; 8b, an oil outlet; 9. a second hydraulic cylinder; 10. a second high pressure fuel line; 11. a support frame; 12. a support plate; 13. a guide rod.
Detailed Description
As shown in fig. 1 to 4, in the present embodiment, a support device for replacing a pier foundation of a self-balancing bridge is disclosed, which includes a plurality of support frames 11 installed between a bridge column 2 and a bridge 4 and located outside a pier 3, a plurality of first hydraulic cylinders 8 and a plurality of second hydraulic cylinders 9 installed in the support frames 11, and a first hydraulic station system 6 and a second hydraulic station system 5 for respectively providing hydraulic power media for the first hydraulic cylinders 8 and the second hydraulic cylinders 9;
wherein two support frames 11 are symmetrically arranged on the outer side of the pier 3; particularly, the supporting frame 11 is utilized to play a role in safe maintenance; because the technical scheme of this application is applied to online implementation, wherein in order to avoid the potential safety hazard that appears when hydraulic pressure station system damages, specifically be, when the pneumatic cylinder of installation became invalid in braced frame 11, can utilize braced frame 11's high-strength structure is right the bridge bottom plays the effect of support to improve its security performance who uses.
As shown in fig. 2, in this embodiment, a base 1 is installed at the bottom of the bridge column 2, two replaceable piers 3 are symmetrically installed at the top of the bridge column 2, and a bridge 4 is supported on the top surfaces of the piers 3;
support frames 11 are symmetrically installed at both sides of the pier 3, thereby stably supporting the bridge 4.
As shown in fig. 4, in the present embodiment, a preformed groove for respectively installing the first hydraulic cylinder 8 and the second hydraulic cylinder 9 is formed in the supporting frame 11;
the supporting frame 11 is internally provided with reserved grooves which are respectively used for installing the first hydraulic cylinders 8 and the second hydraulic cylinders 9 in a staggered and adaptive mode at uniform intervals, the reserved grooves are of a blind hole structure with an opening at the top, and the side walls of the reserved grooves are provided with oil inlets and oil outlets communicated with the hydraulic cylinders;
in this embodiment, the first hydraulic cylinders 8 and the second hydraulic cylinders 9 are respectively installed in the reserved slots in a staggered manner, and the first hydraulic cylinders 8 and the second hydraulic cylinders 9 are respectively used for providing hydraulic power media through different hydraulic station systems, so that the stress of the pair of bridges 4 is stable, and the side turning is avoided.
Oil inlets and oil outlets of the first hydraulic cylinders 8 are communicated with the first hydraulic station system 6 through first high-pressure oil pipes 7 respectively;
oil inlets and oil outlets of the second hydraulic cylinders 9 are respectively communicated with the second hydraulic station system 5 through second high-pressure oil pipes 10;
specifically, 5 preformed grooves are formed in the supporting frame 11, wherein three preformed grooves are provided with the first hydraulic cylinders 8, and the other two second hydraulic cylinders 9 are staggered between the first hydraulic cylinders 8.
As shown in fig. 4, in the present embodiment, the telescopic end of the first hydraulic cylinder 8 and the telescopic end of the second hydraulic cylinder 9 are both in contact with the bottom surface of the bridge 4 through the same support plate 12.
A connecting frame is arranged between the adjacent preformed grooves, a limiting insertion hole is formed in the connecting frame, and a guide rod 13 inserted into the limiting insertion hole is arranged on the bottom surface of the supporting plate 12; for limiting the position of the support plate 12.
In this embodiment, the supporting frame 11 and the supporting plate 12 are both formed by forging, so as to improve the strength of the whole structure.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a self-balancing bridge pier base is changed and is used strutting arrangement which characterized in that: the hydraulic system comprises a plurality of supporting frames, a plurality of first hydraulic cylinders, a plurality of second hydraulic cylinders, a first hydraulic station system and a second hydraulic station system, wherein the supporting frames are arranged between bridge columns and outside piers;
wherein, a preformed groove for respectively installing the first hydraulic cylinder and the second hydraulic cylinder is arranged in the supporting frame;
the telescopic end of the first hydraulic cylinder and the telescopic end of the second hydraulic cylinder are in contact with the bottom surface of the bridge through the same supporting plate.
2. The self-balancing bridge pier foundation of claim 1 is changed and is used supporting device, characterized in that: and two support frames are symmetrically arranged on the outer side of the pier.
3. The self-balancing bridge pier foundation of claim 1 is changed and is used supporting device, characterized in that: the bottom of the bridge column body is provided with a base, the top of the bridge column body is symmetrically provided with two replaceable piers, and the top surfaces of the piers support and are provided with a bridge.
4. The self-balancing bridge pier foundation of claim 3 is changed and is used supporting device, characterized in that: and support frames are symmetrically arranged on two sides of the pier.
5. The self-balancing bridge pier foundation of claim 4 is changed and is used supporting device, characterized in that: the supporting frame is internally provided with reserved grooves which are respectively used for mounting the first hydraulic cylinders and the second hydraulic cylinders in a staggered mode at uniform intervals, the reserved grooves are of a blind hole structure with an open top, and the side walls of the reserved grooves are provided with oil inlets and oil outlets communicated with the hydraulic cylinders.
6. The self-balancing bridge pier foundation of claim 5 is changed and is used supporting device, characterized in that: and oil inlets and oil outlets of the first hydraulic cylinders are respectively communicated with the first hydraulic station system through first high-pressure oil pipes.
7. The self-balancing bridge pier foundation of claim 5 is changed and is used supporting device, characterized in that: and oil inlets and oil outlets of the second hydraulic cylinders are communicated with the second hydraulic station system through second high-pressure oil pipes respectively.
8. The self-balancing bridge pier foundation of claim 5 is changed and is used supporting device, characterized in that: a connecting frame is arranged between the adjacent preformed grooves, a limiting jack is arranged in the connecting frame, and a guide rod inserted into the limiting jack is arranged on the bottom surface of the supporting plate.
9. The self-balancing bridge pier foundation of claim 8 is changed and is used supporting device, characterized in that: the support frame and the support plate are both manufactured by forging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211062848.8A CN115354590A (en) | 2022-08-31 | 2022-08-31 | Self-balancing bridge pier base is changed and is used strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211062848.8A CN115354590A (en) | 2022-08-31 | 2022-08-31 | Self-balancing bridge pier base is changed and is used strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115354590A true CN115354590A (en) | 2022-11-18 |
Family
ID=84005200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211062848.8A Withdrawn CN115354590A (en) | 2022-08-31 | 2022-08-31 | Self-balancing bridge pier base is changed and is used strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115354590A (en) |
-
2022
- 2022-08-31 CN CN202211062848.8A patent/CN115354590A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221118 |