CN117431850A - Bridge bearing structure is used in quick construction of box girder that allies oneself with more - Google Patents
Bridge bearing structure is used in quick construction of box girder that allies oneself with more Download PDFInfo
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- CN117431850A CN117431850A CN202311497331.6A CN202311497331A CN117431850A CN 117431850 A CN117431850 A CN 117431850A CN 202311497331 A CN202311497331 A CN 202311497331A CN 117431850 A CN117431850 A CN 117431850A
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- box girder
- girder
- bridge
- bearing
- support structure
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000013016 damping Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a bridge support structure for rapid construction of a multi-connected box girder, wherein bearing assemblies are arranged at two ends of the upper surface of a bearing girder at the top of a pier column, a left box girder is arranged at one side of the upper end of the bearing assembly, and a right box girder is arranged at the other side of the upper end of the bearing assembly; the lower ends of the expansion joints of the left box girder and the right box girder are fixedly supported by permanent supports, and the bearing assembly is arranged in a lifting manner, so that the bearing assembly drives the left box girder and the right box girder to be supported and fixed by the hydraulic supports through the permanent supports; one end of the buffer component is arranged on one side of the middle part of the spandrel girder, the middle parts of the lower ends of the left box girder and the right box girder are respectively provided with a box girder bottom plate, and the other end of the buffer component is provided with the middle part of the lower end of the box girder bottom plate; when the support device is used, the left box girder and the right box girder can be effectively supported and fixed through the bearing assembly, meanwhile, the bearing assembly can be hydraulically lifted, the left box girder and the right box girder are supported through the permanent support, and the bearing assembly can be taken out for secondary use after the permanent support is supported and fixed.
Description
Technical Field
The invention belongs to the technical field of bridge support structures, and particularly relates to a bridge support structure for rapid construction of a multi-connected box girder.
Background
Bridge engineering refers to the working processes of bridge exploration, design, construction, maintenance, verification and the like, and scientific and engineering technology for researching the process, and is a branch of civil engineering, the development of the bridge engineering mainly depends on the requirements of transportation, the bridge engineering mainly researches bridge crossing design, decides bridge aperture, considers navigation and line requirements to determine bridge deck height, considers substrate not to be washed or frost heaved to determine foundation embedding depth, designs diversion buildings and the like; bridge type scheme design; designing a bridge structure; bridge construction; bridge verification; bridge test; bridge maintenance and other aspects, publication number: CN110373986a discloses a large-span assembled bridge structure, which belongs to the technical field of assembled bridge construction. The bottom of a pier column of the bridge structure extends to the substrate soil layer, and the top of the pier column is connected with the spandrel girder; a plurality of prestressed box girders are arranged in the transverse direction of the spandrel girder, a middle section cover plate is inserted between two adjacent prestressed box girders, and a bridge deck is paved on the upper side of the prestressed box girders; an anchor through hole is reserved at the joint plate of the flange of the prestressed box girder and the middle section cover plate, a prestressed anchor is arranged, and a damping support is arranged between the upper end part of the spandrel girder and the prestressed box Liang Tong; the invention has the advantages that the structural system has good stress performance, the industrialized production and the assembly installation process are realized, the installation is quick and simple, the construction efficiency is improved, the shock absorption support is arranged at the joint of the prestressed box girder and the spandrel girder, the whole stress performance and the shock resistance of the pier are improved, and part of components adopt high-strength concrete, thereby being beneficial to saving materials and reducing the manufacturing cost, and being detachable, replaceable and reusable.
However, the prior art has some problems: the existing fixing frame structure for supporting and fixing the bridge is mostly formed by adopting a welding mode, so that the welding technology is high in requirement, a large amount of materials, electric power and manpower are consumed, and the later material repair is a complicated process; and the requirements on the length of the fixing frame are different in different projects, most building sites can select to purchase materials for cutting by themselves, so that the working strength of workers is enhanced, and the fixing frame formed by welding cannot be recycled, so that the construction cost of the device is enhanced, and therefore, the bridge supporting structure for rapid construction of the multi-connected box girder is provided.
Disclosure of Invention
In view of the problems in the prior art, the invention provides a bridge support structure for quick construction of a multi-joint box girder, through the structural design of a bearing assembly, the left box girder and the right box girder can be effectively supported and fixed through the bearing assembly when the bridge support structure is used, and meanwhile, the bearing assembly can also be hydraulically lifted, so that the left box girder and the right box girder can be supported through a permanent support, and the bearing assembly can be taken out for secondary use after the permanent support is supported and fixed.
In order to achieve the above purpose, the present invention provides the following technical solutions:
bridge bearing structure is used in quick construction of box girder that allies oneself with more includes: the bridge pier column is provided with a spandrel girder at the top end of the bridge pier column, bearing components are arranged at two ends of the upper surface of the spandrel girder, a left box girder is arranged at one side of the upper end of the bearing component, and a right box girder is arranged at the other side of the upper end of the bearing component; the lower ends of the expansion joints of the left box girder and the right box girder are fixedly supported by permanent supports, and the bearing assembly is arranged in a lifting manner, so that the bearing assembly drives the left box girder and the right box girder to be supported and fixed by the hydraulic supports through the permanent supports; the buffer assembly, buffer assembly one end sets up in bellying roof beam middle part one side, and left case roof beam and right case roof beam lower extreme middle part all are provided with the case roof beam bottom plate, and the buffer assembly other end sets up case roof beam bottom plate lower extreme middle part.
Further, the left box girder and the right box girder are both provided with the accepting piece in the middle part both sides, and the accepting piece middle part runs through and is provided with fixed steel bar.
Further, the middle part of the upper end of the spandrel girder is provided with a damping support, and both ends of the upper surface of the spandrel girder are provided with permanent supports.
Further, the two ends of the middle part of the spandrel girder are both provided with supporting frames which are I-shaped, so that the supporting frames are used for supporting the space between the bottom plate of the box girder and the spandrel girder.
Further, bear the weight of the subassembly and include rectangle installation piece and installing support, rectangle installation piece is provided with two sets of, is provided with the carrier bar between two sets of rectangle installation pieces.
Further, the upper ends of the two groups of rectangular mounting blocks are provided with hydraulic cylinders, and buffer springs are sleeved at the middle parts of the two groups of hydraulic cylinders.
Further, the regulating blocks are slidably mounted at two ends of the middle of the bearing rod, extension springs are fixedly connected between the two groups of regulating blocks, and regulating rods are arranged at one sides of the upper ends of the two groups of regulating blocks.
Further, the rotation shafts are rotatably arranged at two ends of the middle of the mounting bracket, the other ends of the two groups of adjusting rods are rotatably arranged in the middle of the rotation shafts, and the middle of the mounting bracket is provided with a rotation groove corresponding to the adjusting rods.
Further, the buffer assembly comprises a first positioning block and a second positioning block, wherein a first rotating column is rotatably arranged in the middle of the first positioning block, and a second rotating column is rotatably arranged in the middle of the second positioning block.
Further, the telescopic rod is rotatably installed in the middle of the first rotating column, and the other end of the telescopic rod is rotatably installed in the middle of the second rotating column.
The invention has the beneficial effects that:
1. according to the bridge support structure for the rapid construction of the multi-connected box girder, through the structural design of the bearing component, the left box girder and the right box girder can be effectively supported and fixed through the bearing component when the bridge support structure is used, and meanwhile, the bearing component can also be hydraulically lifted, so that the left box girder and the right box girder can be supported through the permanent support, and the bearing component can be taken out for secondary use after the permanent support is supported and fixed.
2. According to the bridge supporting structure for the rapid construction of the multi-connected box girder, the left box girder and the right box girder can be hydraulically supported by the bearing component through the hydraulic cylinders at the upper ends of the rectangular mounting blocks, so that the supporting heights correspond to the permanent supports, the left box girder and the right box girder can be fixedly supported through the permanent supports, the bearing component can be taken out for secondary use, the hydraulic cylinders can be matched with the buffer springs to carry out auxiliary buffering when carrying out hydraulic supporting work, the force born by the hydraulic cylinders when carrying out supporting is reduced, and meanwhile, the bearing component can be matched with the two groups of adjusting rods and the adjusting blocks to carry out matched sliding buffering when carrying out bearing fixing on the left box girder and the right box girder, so that the service life of the bearing component is indirectly prolonged.
3. According to the bridge support structure for the rapid construction of the multi-connected box girder, disclosed by the invention, when the bridge support structure is used, the buffer assembly can be used for carrying out auxiliary buffer on the left box girder and the right box girder through the telescopic rods, and when the bridge support structure is used, the telescopic rods can be matched and rotated through the rotating columns at the two ends, so that the telescopic angles of the telescopic rods can be adjusted, and the use safety of the device is indirectly enhanced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a bridge support structure for rapid construction of a multi-box girder of the present invention;
FIG. 2 is a schematic view of a partial structure of a bridge support structure for rapid construction of a multi-deck girder according to the present invention;
FIG. 3 is a schematic view of the shock mount structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the cushioning assembly of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the carrier assembly of FIG. 1 according to the present invention.
Reference numerals: 1. bridge pier columns; 2. a girder; 3. a left box girder; 4. a receiving block; 5. fixing the reinforcing steel bars; 6. a buffer assembly; 601. a first positioning block; 602. a first rotating column; 603. a telescopic rod; 604. a second positioning block; 605. a second rotating column; 7. a damping support; 8. a support frame; 9. a carrier assembly; 901. a rectangular mounting block; 902. a hydraulic cylinder; 903. a buffer spring; 904. a carrier bar; 905. an adjusting block; 906. a tension spring; 907. an adjusting rod; 908. a mounting bracket; 909. a rotating shaft; 10. a permanent support; 11. and a box girder bottom plate.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 5, in the bridge support structure for rapid construction of the multi-connected box girder, the top end of a pier column 1 is provided with a girder 2, both ends of the upper surface of the girder 2 are provided with bearing components 9, one side of the upper end of the bearing component 9 is provided with a left box girder 3, and the other side of the upper end of the bearing component 9 is provided with a right box girder; the permanent support 10 is fixedly supported at the lower ends of the expansion joints of the left box girder 3 and the right box girder, and the bearing assembly 9 is arranged in a lifting manner, so that the bearing assembly 9 drives the left box girder 3 and the right box girder to be hydraulically supported, and the left box girder 3 and the right box girder are supported and fixed through the permanent support 10; one end of the buffer component 6 is arranged on one side of the middle part of the bellow beam 2, the middle parts of the lower ends of the left box beam 3 and the right box beam are respectively provided with a box beam bottom plate 11, and the other end of the buffer component 6 is provided with the middle part of the lower end of the box beam bottom plate 11.
Specifically, both sides in the middle of left case roof beam 3 and right case roof beam all are provided with the adapting block 4, and adapting block 4 middle part runs through and is provided with fixed steel bar 5.
When the box girder is used, the left box girder 3 and the right box girder can be matched and fixed with the fixed steel bars 5 through the bearing blocks 4 at the two sides of the middle part, so that the left box girder 3 and the right box girder are firmly spliced and fixed through the fixed steel bars 5 penetrating through the middle part of the bearing blocks 4.
Specifically, the middle part of the upper end of the spandrel girder 2 is provided with a shock mount 7, and both ends of the upper surface of the spandrel girder 2 are provided with permanent mounts 10.
When the novel box girder supporting device is used, through the structural design of the bearing component 9, the bearing component 9 can effectively support and fix the left box girder 3 and the right box girder when the novel box girder supporting device is used, meanwhile, the bearing component 9 can also hydraulically lift, so that the left box girder 3 and the right box girder can be supported through the permanent support 10, and the bearing component 9 can be taken out for secondary use after the permanent support 10 is supported and fixed
Specifically, the two ends of the middle part of the spandrel girder 2 are respectively provided with a supporting frame 8, and the supporting frame 8 is in an I shape, so that the supporting frame 8 is used for supporting the space between the box girder bottom plate 11 and the spandrel girder 2.
Specifically, the bearing assembly 9 comprises two rectangular installation blocks 901 and an installation support 908, wherein the rectangular installation blocks 901 are provided with two groups, a bearing rod 904 is arranged between the two rectangular installation blocks 901, hydraulic cylinders 902 are arranged at the upper ends of the two rectangular installation blocks 901, buffer springs 903 are sleeved at the middle parts of the two groups of hydraulic cylinders 902, regulating blocks 905 are slidably arranged at the two ends of the middle part of the bearing rod 904, an extension spring 906 is fixedly connected between the two groups of regulating blocks 905, regulating rods 907 are arranged at one side of the upper ends of the two groups of regulating blocks 905, rotating shafts 909 are rotatably arranged at the two ends of the middle part of the installation support 908, the other ends of the two groups of regulating rods 907 are rotatably arranged at the middle part of the rotating shafts 909, and rotating grooves corresponding to the regulating rods 907 are formed in the middle part of the installation support 908.
When the hydraulic support device is used, the bearing assembly 9 can hydraulically support the left box girder 3 and the right box girder through the hydraulic cylinder 902 at the upper end of the rectangular mounting block 901, so that the height of the support corresponds to that of the permanent support 10, the left box girder 3 and the right box girder can be carried and fixed through the permanent support 10, the bearing assembly 9 is taken out for secondary use, the hydraulic cylinder 902 can be matched with the buffer spring 903 to carry out auxiliary buffering on the bearing assembly 9 when in hydraulic support operation, the force born by the hydraulic cylinder 902 is reduced, and meanwhile, the bearing assembly 9 can be matched with the two groups of adjusting rods 907 and the adjusting block 905 to carry out sliding buffering when carrying and fixing the left box girder 3 and the right box girder, so that the service life of the bearing assembly 9 is indirectly prolonged.
Specifically, the buffer assembly 6 includes a first positioning block 601 and a second positioning block 604, a first rotating column 602 is rotatably installed in the middle of the first positioning block 601, a second rotating column 605 is rotatably installed in the middle of the second positioning block 604, a telescopic rod 603 is rotatably installed in the middle of the first rotating column 602, and the other end of the telescopic rod 603 is rotatably installed in the middle of the second rotating column 605.
When the telescopic device is used, the buffer assembly 6 can assist in buffering the left box girder 3 and the right box girder through the telescopic rods 603, and the telescopic rods 603 can rotate in a matched mode through the rotating columns at the two ends of the telescopic rods 603, so that the telescopic angle of the telescopic rods 603 can be adjusted, and the use safety of the telescopic device is indirectly enhanced.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (10)
1. Bridge bearing structure is used in quick construction of many allies oneself with case roof beam, its characterized in that: comprising the following steps:
the bridge pier comprises a bridge pier column (1), wherein a spandrel girder (2) is arranged at the top end of the bridge pier column (1), bearing components (9) are arranged at two ends of the upper surface of the spandrel girder (2), a left box girder (3) is arranged on one side of the upper end of the bearing components (9), and a right box girder is arranged on the other side of the upper end of the bearing components (9);
the permanent supports (10) are fixedly supported at the lower ends of the expansion joints of the left box girder (3) and the right box girder, and the bearing assembly (9) is arranged in a lifting manner, so that the bearing assembly (9) drives the left box girder (3) and the right box girder to be hydraulically supported, and the left box girder (3) and the right box girder are fixedly supported through the permanent supports (10);
the buffer assembly (6), buffer assembly (6) one end sets up in bellying roof beam (2) middle part one side, left side case roof beam (3) and right case roof beam lower extreme middle part all are provided with case roof beam bottom plate (11), the buffer assembly (6) other end sets up case roof beam bottom plate (11) lower extreme middle part.
2. The bridge support structure for rapid construction of a multi-joint box girder according to claim 1, wherein: the left box girder (3) and the right box girder middle part both sides all are provided with the piece of accepting (4), the piece of accepting (4) middle part runs through and is provided with fixed reinforcing bar (5).
3. The bridge support structure for rapid construction of a multi-joint box girder according to claim 2, wherein: the middle part of the upper end of the spandrel girder (2) is provided with a damping support (7), and both ends of the upper surface of the spandrel girder (2) are provided with permanent supports (10).
4. A bridge support structure for rapid construction of a multi-gang box girder according to claim 3, wherein: the two ends of the middle part of the spandrel girder (2) are both provided with supporting frames (8), and the supporting frames (8) are I-shaped, so that the supporting frames (8) are used for supporting the space between the box girder bottom plate (11) and the spandrel girder (2).
5. The bridge support structure for rapid construction of a multi-joint box girder according to claim 1, wherein: the bearing assembly (9) comprises rectangular mounting blocks (901) and mounting brackets (908), wherein two groups of rectangular mounting blocks (901) are arranged, and a bearing rod (904) is arranged between the two groups of rectangular mounting blocks (901).
6. The bridge support structure for rapid construction of the multi-joint box girder according to claim 5, wherein: the upper ends of the two groups of rectangular mounting blocks (901) are respectively provided with a hydraulic cylinder (902), and buffer springs (903) are respectively sleeved at the middle parts of the two groups of hydraulic cylinders (902).
7. The bridge support structure for rapid construction of a multi-joint box girder according to claim 6, wherein: two ends in the middle of the bearing rod (904) are both provided with adjusting blocks (905) in a sliding mode, two groups of adjusting blocks (905) are fixedly connected with extension springs (906), and one side of the upper ends of the two groups of adjusting blocks (905) is provided with adjusting rods (907).
8. The bridge support structure for rapid construction of a multi-joint box girder according to claim 7, wherein: rotation shafts (909) are rotatably mounted at two ends of the middle of the mounting support (908), the other ends of the two groups of adjusting rods (907) are rotatably mounted at the middle of the rotation shafts (909), and rotation grooves corresponding to the adjusting rods (907) are formed in the middle of the mounting support (908).
9. The bridge support structure for rapid construction of a multi-joint box girder according to claim 1, wherein: the buffer assembly (6) comprises a first positioning block (601) and a second positioning block (604), a first rotating column (602) is rotatably arranged in the middle of the first positioning block (601), and a second rotating column (605) is rotatably arranged in the middle of the second positioning block (604).
10. The bridge support structure for rapid construction of a multi-joint box girder according to claim 9, wherein: the middle part of the first rotating column (602) is rotatably provided with a telescopic rod (603), and the other end of the telescopic rod (603) is rotatably arranged at the middle part of the second rotating column (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311497331.6A CN117431850A (en) | 2023-11-10 | 2023-11-10 | Bridge bearing structure is used in quick construction of box girder that allies oneself with more |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311497331.6A CN117431850A (en) | 2023-11-10 | 2023-11-10 | Bridge bearing structure is used in quick construction of box girder that allies oneself with more |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117431850A true CN117431850A (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311497331.6A Pending CN117431850A (en) | 2023-11-10 | 2023-11-10 | Bridge bearing structure is used in quick construction of box girder that allies oneself with more |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117431850A (en) |
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2023
- 2023-11-10 CN CN202311497331.6A patent/CN117431850A/en active Pending
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