CN221118275U - Bridge steel structure reinforcing apparatus - Google Patents

Bridge steel structure reinforcing apparatus Download PDF

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Publication number
CN221118275U
CN221118275U CN202322867356.2U CN202322867356U CN221118275U CN 221118275 U CN221118275 U CN 221118275U CN 202322867356 U CN202322867356 U CN 202322867356U CN 221118275 U CN221118275 U CN 221118275U
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China
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bridge
rod
bridge pier
steel structure
sides
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CN202322867356.2U
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苏巨峰
范振华
杨飞波
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Civil Engineering Design Academy Of Chang'an University Co ltd
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Civil Engineering Design Academy Of Chang'an University Co ltd
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Abstract

The utility model provides a bridge steel structure reinforcing device, which comprises a U-shaped fixing frame used for being installed at two sides of a bridge pier, wherein the U-shaped fixing frame is formed by connecting a cross rod and vertical rods at two sides through bolts, and the upper ends of the vertical rods are hinged with first connecting blocks used for being connected with the bottoms of main beams; the bridge pier holding pieces are respectively arranged on two sides between the two cross bars, the two bridge pier holding pieces are symmetrically arranged, the two sides of the bridge pier holding pieces are respectively fixedly provided with a sliding rod, two ends of the cross bars are respectively provided with a through groove which penetrates through the left side wall and the right side wall and the end part of the cross bars, the sliding rods are transversely inserted in the through grooves and can slide back and forth along the through grooves, and the cross bars are provided with limiting assemblies for fixing the positions of the sliding rods. The utility model can be used for connecting and reinforcing girder structures with different heights and piers with different shapes and sizes, has wide application range and strong practicability, and has good reinforcing effect; the damage part is convenient to detach and replace, the whole reinforcing device is not required to be replaced, resources are saved, time and labor are saved, and the stability of the bridge is not affected during replacement.

Description

Bridge steel structure reinforcing apparatus
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a bridge steel structure reinforcing device.
Background
The bridge is a structure which can smoothly pass vehicles, pedestrians, non-motor vehicles and the like, and is an important building for the high-speed development of the modern society. The single pier occupies less land and has attractive integral structure, so the single pier is widely applied to urban overpasses, urban viaducts and ramp bridges of highways, the pier tops of the type of piers generally adopt a single support, the transverse rigidity is weak, and when the bridge bears overload, particularly unbalanced load, single-side overturning risks are easy to occur, namely the transverse stability of the bridge is weak. Therefore, the bridge steel structure reinforcing device is particularly important, but the prior steel structure reinforcing device still has the following defects in actual use:
1. Because the girder structure forms of different bridges and the sizes and the shapes of bridge piers are different, and because of the influence of longitudinal and transverse slopes, the bottom of the girder always has a certain gradient; meanwhile, the single-column pier stud has square shape and cylindrical shape, and the pier stud sizes are different. However, the existing bridge steel structure reinforcing device is only applicable to piers and girders of a specific shape and size, so that the application range is small, and the practicability is poor.
2. The existing steel structure bridge reinforcing device is inconvenient to assemble and disassemble, especially in the maintenance process of a later bridge, if the situation of damaging the parts is met, the whole reinforcing device can only be replaced integrally, the damaged parts cannot be replaced independently, resource waste is easy to cause, and the stability of the bridge can be influenced in the replacement process.
In view of the foregoing, there is a need to design a bridge steel structure reinforcement device that overcomes the above-mentioned problems.
Disclosure of utility model
The object of the present utility model is to provide a bridge steel structure reinforcement device which overcomes the above mentioned problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a bridge steel structure reinforcement device comprising:
The U-shaped fixing frames are used for being arranged on two sides of the bridge pier and are formed by connecting cross bars and vertical bars on two sides through bolts, and the upper ends of the vertical bars are hinged with first connecting blocks used for being connected with the bottoms of the main beams;
The bridge pier holding parts are respectively arranged on two sides between the cross bars, the two bridge pier holding parts are symmetrically arranged, sliding bars are respectively fixedly arranged on two sides of the bridge pier holding parts, through grooves which penetrate through the left side wall and the right side wall of the cross bars and the end parts of the cross bars are respectively arranged at two ends of the cross bars, the sliding bars are transversely inserted in the through grooves and can slide back and forth along the through grooves, and limiting assemblies used for fixing the positions of the sliding bars are further arranged on the cross bars.
The aim and the technical problems of the utility model can be further realized by adopting the following technical measures.
Further, the limiting assembly comprises threaded through holes uniformly formed in the upper end of the cross rod, threaded blind holes uniformly formed in the upper surface of the slide rod and limiting bolts used for connecting any threaded through holes and threaded blind holes, and the lower ends of the threaded through holes are communicated with the through grooves.
Further, the two bridge pier clasps are respectively arc-shaped clamping blocks which are symmetrical to each other, and the two bridge pier clasps are respectively protruded in opposite separation directions.
Furthermore, oblique reinforcing ribs are further arranged on two sides of the middle of the U-shaped fixing frame respectively, and two ends of each oblique reinforcing rib are connected with the vertical rod and the transverse rod through bolts respectively.
Further, a horizontal stay bar is connected between the two inclined reinforcing ribs through bolts.
Further, telescopic connecting rods are connected between the vertical rods of the two U-shaped fixing frames through bolts respectively.
Further, the lower extreme of connecting rod articulates there is oblique stiffening rod, the lower extreme of oblique stiffening rod still articulates there is the second connecting block that is used for being connected with the pier.
Further, the connecting rod is formed by sleeving an outer sleeve and an inner sleeve rod which is arranged in the outer sleeve in a sliding manner, the outer wall of the outer sleeve is provided with a fastening bolt in a penetrating manner, and the inner sleeve rod can slide out of the outer sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the bridge steel structure reinforcing device, the U-shaped frames are respectively arranged on two sides of a bridge pier, the upper ends of the vertical rods are hinged with the first connecting blocks, and the hinged connecting blocks can be connected with the bottoms of the girders at different angles, for example, the bottoms of the girders are horizontal or the bottoms of the girders are provided with slopes; the device can be fixedly connected with the bridge pier through bridge pier clasping pieces and the cross bars of the U-shaped frames, so that secondary reinforcement of the main girder and the bridge pier is realized; through setting up logical groove at the horizontal pole both ends, hold the piece with two symmetrical piers and pass through slide bar and logical groove sliding connection to accessible spacing subassembly is prescribe a limit to its position, realizes holding the effect of piece interval according to the pier longitudinal width adjustment pier, and the interval itself between two U type framves just can be according to the bridge pier in bridge length direction's width nimble control, consequently, the two combines can make this device be applicable to and connect with the pier of different shapes and sizes, has enlarged this device's application scope, the reinforcing practicality has also played the effect of resources are saved to a certain extent.
2. The bridge steel structure reinforcing device provided by the utility model has the advantages that the U-shaped frame consists of one cross rod and two vertical rods, and the cross rods and the vertical rods are connected by bolts, so that the bridge steel structure reinforcing device is convenient to assemble and disassemble; the bridge pier embracing piece both sides set up the slide bar, the slide bar inserts and establishes and can lead to the inslot to slide, and leads to the tip that the groove link up the horizontal pole, consequently, the slide bar can slide out outside this leads to the groove, and the whole that the bridge pier embracing piece and the formation of its both sides can be dismantled, to sum up, this device is assembled through each part and is formed, conveniently dismantles and installs, especially in the maintenance and the maintenance process in bridge later stage, is convenient for dismantle and change the part of damage, need not to change whole reinforcing apparatus, not only resources are saved, labour saving and time saving can not influence the stability of bridge moreover when changing.
3. According to the bridge steel structure reinforcing device, the inclined reinforcing ribs are arranged on the two sides of the inner portion of the U-shaped frame, and the horizontal supporting rods are arranged between the reinforcing ribs, so that the supporting strength of the U-shaped frame is greatly improved, and the stability of connection between the main beam and the bridge pier is improved; simultaneously, all pass through bolted connection between strengthening rib and the U type frame and between horizontal stay pole and the strengthening rib, be convenient for maintain the change to individual part.
4. According to the bridge steel structure reinforcing device, the telescopic connecting rods are arranged between the vertical rods of the U-shaped frames, so that the connection stability between the two U-shaped frames can be enhanced, and the connection stability of the main girder and the bridge pier is further improved; meanwhile, the length of the connecting rod can be adjusted in a telescopic way, the distance between the U-shaped frames is not limited, and the connecting rod is flexible and convenient; and the two ends of the telescopic connecting rod are connected through bolts, so that the parts are convenient to maintain and replace.
5. According to the bridge steel structure reinforcing device, the lower end of the connecting rod is hinged with the inclined reinforcing rod, the lower end of the inclined reinforcing rod is hinged with the second connecting block, two sides of the U-shaped frame can be further connected with the bridge pier, the reinforcing effect can be improved, and the stability and safety of bridge deck and bridge pier connection are greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a bridge steel structure reinforcement device provided by the utility model;
FIG. 2 is a schematic cross-sectional view of a bridge steel structure reinforcement device according to the present utility model after installation;
Reference numerals illustrate:
1. A U-shaped fixing frame; 11. a cross bar; 12. a vertical rod; 13. a through groove; 14. oblique reinforcing ribs; 15. a horizontal brace;
2. a first connection block;
3. Bridge pier embracing members; 31. a slide bar; 32. a limit component; 321. a threaded through hole; 322. a threaded blind hole; 323. a limit bolt;
4. a connecting rod; 41. an outer sleeve; 42. an inner loop bar; 43. a fastening bolt;
5. an inclined reinforcing rod; 51. a second connection block;
6. bridge piers;
7. and a main beam.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 2, a bridge steel structure reinforcing apparatus includes:
The U-shaped fixing frame 1 is used for being arranged at two sides of the bridge pier 6 and is formed by connecting a cross rod 11 and vertical rods 12 at two sides through bolts, and the upper ends of the vertical rods 12 are hinged with first connecting blocks 2 used for being connected with the bottoms of the main beams 7; the hinged connecting block 2 can be connected with the bottoms of the main beams 7 with different angles, for example, the bottoms of the main beams are horizontal or the bottoms of the main beams are provided with slopes; the interval between two U type framves can be according to bridge pier 6 in the width flexible control of bridge length direction to horizontal pole 11 and bridge pier 6 contact is standard, and U type frame 1 is connected with the bridge pier, the intermediate sum bridge pier 6 fixed connection of horizontal pole 11 with the anchor bolt.
The bridge pier clasping pieces 3 are respectively arranged on two sides between the cross bars 11, the two bridge pier clasping pieces 3 are symmetrically arranged, sliding bars 31 are respectively and fixedly arranged on two sides of the bridge pier clasping pieces 3, through grooves 13 penetrating through left and right side walls and end parts of the cross bars 11 are respectively arranged on two ends of the cross bars 11, the sliding bars 31 are transversely inserted in the through grooves 13 and can slide back and forth along the through grooves, and limiting assemblies 32 used for fixing positions of the sliding bars 31 are further arranged on the cross bars 11.
Specifically, the device can be fixedly connected with the bridge pier 6 through the bridge pier clasping piece 3 and the cross rod 11 of the U-shaped frame 1; the secondary reinforcement of the girder 7 and the pier 6 is realized. Through grooves 13 are formed in two ends of the cross rod 11, two symmetrical bridge pier holding pieces 3 are in sliding connection with the through grooves 13 through sliding rods 31, the positions of the bridge pier holding pieces 3 are limited through limiting assemblies 32, the effect of adjusting the distance between the bridge pier holding pieces 3 according to the longitudinal width of a bridge pier 6 is achieved, the distance between two U-shaped frames 1 can be flexibly controlled according to the width of the bridge pier 6 in the length direction of the bridge, and therefore the bridge pier holding pieces are combined to enable the bridge pier connecting device to be suitable for being connected with bridge piers of different shapes and sizes, the application range of the bridge pier connecting device is widened, the practicability is improved, and the effect of saving resources is achieved to a certain extent. On the other hand, the U-shaped frame 1 consists of a cross rod 11 and two vertical rods 12, and the cross rod 11 and the vertical rods are connected by bolts, so that the U-shaped frame is convenient to assemble and disassemble; the two sides of the pier holding piece 3 are provided with the sliding rods 31, the sliding rods 31 are inserted into and can slide in the through grooves 13, and the through grooves 13 penetrate through the end parts of the cross bars 11, so that the sliding rods 31 can slide out of the through grooves 13, the pier holding piece 3 and the whole body formed on the two sides of the pier holding piece can be detached, and in sum, the bridge pier holding piece is formed by assembling all the components, is convenient to detach and install, and is convenient to detach and replace damaged components in the later maintenance process of a bridge, and the whole reinforcing device is not required to be replaced.
Preferably, the limiting component 32 includes a threaded through hole 321 uniformly formed at the upper end of the cross bar 11, a threaded blind hole 322 uniformly formed at the upper surface of the slide bar 31, and a limiting bolt 323 for connecting any one of the threaded through hole 321 and the threaded blind hole 322, wherein the lower end of the threaded through hole 321 is communicated with the through groove 13.
Preferably, the two bridge pier clasps 3 are respectively arc-shaped clamping blocks which are symmetrical to each other, and the two bridge pier clasps are respectively protruded in opposite separation directions.
Preferably, two sides of the middle of the U-shaped fixing frame 1 are respectively provided with an inclined reinforcing rib 14, and two ends of the inclined reinforcing rib 14 are respectively connected with the vertical rod 12 and the cross rod 11 through bolts.
Preferably, a horizontal stay 15 is connected between the two diagonal strengthening ribs 14 through bolts.
In the embodiment, by arranging the inclined reinforcing ribs 14 on two sides of the inside of the U-shaped frame 1 and arranging the horizontal stay bars 15 between the reinforcing ribs 14, the supporting strength of the U-shaped frame 1 is greatly improved, and the stability of the connection between the main beam and the bridge pier is improved; simultaneously, all pass through bolted connection between oblique strengthening rib 14 and the U type frame 1 and between horizontal stay 15 and the oblique strengthening rib 14, be convenient for maintain the change to individual part.
Preferably, telescopic connecting rods 4 are respectively connected between the vertical rods 12 of the two U-shaped fixing frames 1 through bolts. The connecting rod 4 can enhance the connection stability between the two U-shaped frames 1, thereby further improving the connection stability of the main girder and the bridge pier; meanwhile, the length of the connecting rod 4 can be adjusted in a telescopic way, the distance between the U-shaped frames 1 is not limited, and the U-shaped frames are flexible and convenient; and the two ends of the telescopic connecting rod 4 are connected through bolts, so that the parts can be maintained and replaced conveniently.
Preferably, the lower end of the connecting rod 4 is hinged with an inclined reinforcing rod 5, so that the two sides of the U-shaped frame 1 can be further connected with the bridge pier, the reinforcing effect is improved, and the stability and safety of the connection of the main girder and the bridge pier are greatly improved; the lower extreme of oblique reinforcing rod 5 still articulates there is the second connecting block 51 that is used for being connected with pier 6, articulates the upper end and the connecting rod 4 of oblique reinforcing rod 5, can change the gradient of oblique reinforcing rod 5 according to the pier size, articulates the second connecting block 51 of its lower extreme and this oblique reinforcing rod 5, can make second connecting block 51 laminate mutually with pier 6, the installation of being convenient for is fixed.
Preferably, the connecting rod 4 is sleeved by an outer sleeve 41 and an inner sleeve rod 42 slidably arranged in the outer sleeve 41, the outer wall of the outer sleeve is provided with a fastening bolt 43 in a penetrating way, and the inner sleeve rod 42 can slide out of the outer sleeve 41, so that the two U-shaped frames 1 can be conveniently and separately installed. Wherein, the upper end of the inclined reinforcing rod 5 is hinged with the outer wall of the outer sleeve 41, and the expansion and contraction of the inner sleeve rod 42 are not influenced.
The present utility model has been further described with reference to the examples, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (8)

1. A bridge steel structure reinforcing apparatus, characterized in that it comprises:
The U-shaped fixing frames (1) are used for being installed on two sides of the bridge pier (6) and are formed by connecting cross bars (11) and vertical rods (12) on two sides through bolts, and the upper ends of the vertical rods (12) are hinged to first connecting blocks (2) connected with the bottoms of the main beams (7);
The bridge pier holding pieces (3) are respectively arranged on two sides between the cross bars (11), the two bridge pier holding pieces (3) are symmetrically arranged, fixed sliding bars (31) are respectively arranged on two sides of the bridge pier holding pieces (3), through grooves (13) penetrating through the left side wall and the right side wall of the cross bars and the end portion of the cross bars are respectively arranged at two ends of the cross bars (11), the sliding bars (31) are transversely inserted in the through grooves (13) and can slide back and forth along the through grooves, and limiting assemblies (32) used for fixing the positions of the sliding bars (31) are further arranged on the cross bars (11).
2. The bridge steel structure reinforcing device according to claim 1, wherein the limiting component (32) comprises a threaded through hole (321) uniformly formed in the upper end of the cross rod (11), a threaded blind hole (322) uniformly formed in the upper surface of the sliding rod (31), and a limiting bolt (323) for connecting any one of the threaded through hole (321) and the threaded blind hole (322), and the lower end of the threaded through hole (321) is communicated with the through groove (13).
3. The bridge steel structure reinforcing device according to claim 1, wherein the two bridge pier clasps (3) are respectively arc-shaped clamping blocks which are symmetrical to each other, and the two bridge pier clasps are respectively protruded in opposite separation directions.
4. The bridge steel structure reinforcing device according to claim 1, wherein oblique reinforcing ribs (14) are further arranged on two sides of the middle of the U-shaped fixing frame (1), and two ends of each oblique reinforcing rib (14) are connected with the vertical rod (12) and the transverse rod (11) through bolts.
5. A bridge steel structure reinforcement according to claim 4, characterized in that a horizontal stay (15) is bolted between two of said diagonal strengthening ribs (14).
6. The bridge steel structure reinforcing device according to claim 1, wherein telescopic connecting rods (4) are respectively connected between the vertical rods (12) of the two U-shaped fixing frames (1) through bolts.
7. The bridge steel structure reinforcing device according to claim 6, wherein the lower end of the connecting rod (4) is hinged with an oblique reinforcing rod (5), and the lower end of the oblique reinforcing rod (5) is also hinged with a second connecting block (51) for connecting with the bridge pier (6).
8. The bridge steel structure reinforcing device according to claim 6, wherein the connecting rod (4) is formed by sleeving an outer sleeve (41) and an inner sleeve rod (42) which is slidably arranged in the outer sleeve (41), fastening bolts (43) are arranged on the outer wall of the outer sleeve in a penetrating manner, and the inner sleeve rod (42) can slide out of the outer sleeve (41).
CN202322867356.2U 2023-10-25 2023-10-25 Bridge steel structure reinforcing apparatus Active CN221118275U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322867356.2U CN221118275U (en) 2023-10-25 2023-10-25 Bridge steel structure reinforcing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322867356.2U CN221118275U (en) 2023-10-25 2023-10-25 Bridge steel structure reinforcing apparatus

Publications (1)

Publication Number Publication Date
CN221118275U true CN221118275U (en) 2024-06-11

Family

ID=91345347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322867356.2U Active CN221118275U (en) 2023-10-25 2023-10-25 Bridge steel structure reinforcing apparatus

Country Status (1)

Country Link
CN (1) CN221118275U (en)

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