CN215051971U

CN215051971U - A spliced bridge structure based on FRP material

Info

Publication number: CN215051971U
Application number: CN202120735112.7U
Authority: CN
Inventors: 刘宏伟
Original assignee: Qinghai Nationalities University
Current assignee: Qinghai Nationalities University
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-07
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a spliced bridge structure based on FRP material, which relates to the field of building bridges. The other end of the bridge plate is fixedly installed with two connecting plates 1, the outer sides of the two connecting plates are both provided with two screw holes 3, the center of the bottom of the bridge plate is fixedly installed with a pillar, the bottom of the pillar is fixedly installed with a bracket, and the top of the pillar is fixed on both sides. A shock-absorbing plate is installed, one end of one shock-absorbing plate is provided with two fixing grooves 2, and two screw holes 2 are formed on the outer sides of the two fixing grooves. The utility model provides a spliced bridge structure based on FRP material, in Under the action of the spring 1 on the shock-absorbing rod, the connecting plate and the damper, the overall shock absorption effect of the bridge is improved, and the service life of the bridge is increased. connection to lengthen the bridge.

Description

Splicing type bridge structure based on FRP (fiber reinforced plastic) material

Technical Field

The utility model relates to a building bridge field especially relates to a splice formula bridge structures based on FRP material.

Background

The transverse widening of the new bridge and the old bridge refers to that the whole bridge is built in stages in the transverse direction, or a new bridge is newly built in the transverse direction of the original bridge in a splicing and widening mode, and finally a bridge design scheme of the whole bridge deck is formed. The split connection and the hinge connection belong to weak connection, the semi-rigid connection and the rigid connection belong to strong connection, the upper structure types of the new and old structure mainly comprise a prefabricated T beam, a prefabricated hollow slab, a prefabricated box beam, a cast-in-place box beam and the like, the structures of the same type are adopted for width splicing, the structures of different types are adopted for width splicing, and the width splicing with the same rigidity is adopted as much as possible in the design.

Traditional concrete concatenation bridge when the construction, will consume a large amount of manpower and materials and go to transport and build the bridge material, greatly increased the work load of whole engineering, and concrete structure does not have the shock attenuation effect almost, this life of application that has significantly reduced the bridge, also caused very big trouble for the equipment concatenation of bridge, along with FRP material's popularization, light concatenation bridge has gradually become mainstream trend, and this structural design for the bridge has brought more possibilities.

SUMMERY OF THE UTILITY MODEL

The utility model provides a based on FRP material concatenation formula bridge construction has solved traditional concrete concatenation bridge, when the construction, will consume a large amount of manpower and materials and go to transport and build the bridge material, greatly increased the work load of whole engineering, and concrete structure does not have the shock attenuation effect almost, this life who has significantly reduced the bridge, also has caused very big troublesome technical problem for the equipment concatenation of bridge.

In order to solve the technical problems, the utility model provides a splicing type bridge structure based on FRP materials, which comprises a bridge plate, wherein one end of the bridge plate is provided with two first fixing grooves, two first fixing grooves are respectively provided with two first screw holes, the other end of the bridge plate is fixedly provided with two first connecting plates, two third screw holes are respectively provided with two first connecting plates, the center of the bottom of the bridge plate is fixedly provided with a support, the bottom of the support is fixedly provided with a support, two sides of the top of the support are respectively and fixedly provided with a damping plate, one end of one damping plate is provided with two second fixing grooves, two outer sides of the two second fixing grooves are respectively provided with two second screw holes, one end of the other damping plate is fixedly provided with two second connecting plates, two outer sides of the bottom of the bridge plate are respectively provided with two fourth screw holes, and damping rods are respectively and fixedly arranged at two sides of the bottom of the bridge plate and two sides close to the center, four the shock absorber pole outside all overlaps and is equipped with spring one, four the equal fixed mounting of a spring one end is outside the bridge plate bottom, four the equal fixed mounting of a spring other end is outside shock absorber plate top, four shock absorber pole bottom all passes shock absorber plate and connecting rod fixed connection, middle part fixed mounting has the fixed block in the pillar, fixed block top fixed mounting has the telescopic link, telescopic link outside cover is equipped with spring two, spring two bottoms and fixed block top fixed connection, it has a plurality of dampers still to go back fixed mounting between bridge plate and two shock absorber plates.

Preferably, the damper is a hydraulic damper.

Preferably, the length of one end of the damping plate is the same as that of one end of the bridge plate.

Preferably, the first screw hole and the third screw hole have the same diameter, and the second screw hole and the fourth screw hole have the same diameter.

Preferably, the first connecting plate and the first fixing groove are correspondingly arranged, and the second connecting plate and the second fixing groove are correspondingly arranged. Preferably, the outer sides of the four damping rods are connected with the damping plate in a sliding mode.

Preferably, the top end of the telescopic rod is fixedly connected to the lower side of the bridge plate, and the strut is in sliding connection with the damping plate

Compared with the prior art, the utility model provides a pair of splice type bridge construction based on FRP material has following beneficial effect:

(1) the utility model provides a based on FRP material concatenation formula bridge structures, under the effect of spring one and connecting plate and attenuator on the shock-absorbing rod, make the whole shock attenuation effect of bridge obtain promoting, increased bridge life.

(2) The utility model provides a based on FRP material concatenation formula bridge structures, through the connection of connecting plate one and fixed slot one and the connection of connecting plate two and fixed slot two, make the bridge extension to it is more convenient to make the construction transportation, has increased workman's work efficiency.

(3) The utility model provides a based on FRP material concatenation formula bridge structures, under the effect of support, increased the stability of whole bridge.

Drawings

Fig. 1 is a side cross-sectional view of the splicing type bridge structure based on the FRP material of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 of the spliced bridge structure based on FRP materials of the present invention;

FIG. 3 is a schematic structural view of a bridge deck in a spliced bridge structure based on FRP materials according to the present invention;

reference numbers in the figures: 1. a bridge plate; 2. a pillar; 3. a first fixing groove; 4. a first screw hole; 5. a shock-absorbing lever; 6. a first spring; 7. a second fixing groove; 8. a second screw hole; 9. a connecting rod; 10. a telescopic rod; 11. a second spring; 12. a fixed block; 13. a support; 14. a first connecting plate; 15. a third screw hole; 16. a second connecting plate; 17. a screw hole IV; 18. a damper plate; 19. a damper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-3, the spliced bridge structure based on FRP materials of the present invention comprises a bridge plate 1, wherein one end of the bridge plate 1 is provided with two first fixing slots 3, the outer sides of the two first fixing slots 3 are respectively provided with two first screw holes 4, the other end of the bridge plate 1 is fixedly provided with two first connecting plates 14, the outer sides of the two first connecting plates 14 are respectively provided with two third screw holes 15, the center of the bottom of the bridge plate 1 is fixedly provided with a pillar 2, the bottom of the pillar 2 is fixedly provided with a bracket 13, the two sides of the top of the pillar 2 are respectively fixedly provided with a damping plate 18, one end of one damping plate 18 is provided with two second fixing slots 7, the outer sides of the two second fixing slots 7 are respectively provided with two second screw holes 8, one end of the other damping plate 18 is fixedly provided with two second connecting plates 16, the outer sides of the two connecting plates 16 are respectively provided with two fourth screw holes 17, and the two sides of the bottom of the bridge plate 1 and the two sides near the center are respectively fixedly provided with damping rods 5, all the cover in the 5 outsides of four shock attenuation poles is equipped with spring one 6, the equal fixed mounting in 6 one ends of four springs is outside 1 bottom of bridge plate, the equal fixed mounting in 6 other ends of four springs is outside 18 tops of shock attenuation board, shock attenuation board 18 and connecting rod 9 fixed connection are all passed to 5 bottoms of four shock attenuation poles, middle part fixed mounting has fixed block 12 in the

pillar

2, 12 top fixed mounting of fixed block has telescopic link 10, telescopic link 10 outside cover is equipped with spring two 11, spring two 11 bottoms and 12 top fixed connection of fixed block, it has a plurality of dampers 19 to go back fixed mounting between bridge plate 1 and two shock attenuation boards 18.

Wherein, the damper 19 is a hydraulic damper 19, and the damping effect of the hydraulic damper 19 is more obvious and is not easy to damage.

Wherein, the length of one end of the damping plate 18 is the same as that of one end of the bridge plate 1, so that the screws can connect the two bridge plates 1 and the two damping plates 18.

The first screw hole 4 and the third screw hole 15 are the same in diameter, and the second screw hole 8 and the fourth screw hole 17 are the same in diameter, so that the first connecting plate 14 and the first fixing groove 3 and the second connecting plate 16 and the second fixing groove 7 can be connected together and completely fit.

The first connecting plate 14 is disposed corresponding to the first fixing groove 3, and the second connecting plate 16 is disposed corresponding to the second fixing groove 7.

Wherein, the outer sides of the four shock absorption rods 5 are all connected with the shock absorption plate 18 in a sliding manner, so that the four shock absorption rods 5 can move downwards to disperse the acting force of vibration.

Wherein, the top fixed connection of telescopic link 10 is in the downside of bridge plate 1, and pillar 2 and shock attenuation board 18 sliding connection have played dual perpendicular spacing effect.

In the second embodiment, on the basis of the first embodiment, a layer of waterproof glue can be coated on the surface of the bracket 13, so that the bracket 13 cannot be eroded by water flow flowing through for a long time, and the service life of the device is prolonged.

The working principle is as follows: firstly, a worker connects one end of a bridge plate 1 with one end of another bridge plate 1, two first connecting plates 14 are connected with one fixing groove 3, then the worker fixes the two bridge plates 1 through a first screw hole 4 and a third screw hole 15 by screws, two second connecting plates 16 are connected with two second fixing grooves 7, then the worker fixes two damping plates 18 through a second screw hole 8 and a fourth screw hole 17 by screws, when a vehicle passes through the bridge plate 1, a first spring 6 at the bottom of the bridge plate 1 moves downwards, the bridge plate 1 drives a damping rod 5 to move downwards, a connecting rod 9 at the bottom of the damping rod 5 transmits vibration to four damping rods 5, then under the action of a damper 19, the vibration of the vehicle on the bridge plate 1 is reduced, when the vehicle comes to a central area, the bridge plate 1 drives a telescopic rod 10 to compress, the telescopic rod 10 and the second spring 11 move downwards, and therefore, a middle damping effect is achieved, when the length of the bridge is to be lengthened, only a plurality of bridge plates 1 need to be spliced for a time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The spliced bridge structure based on the FRP materials is characterized by comprising a bridge plate (1), wherein one end of the bridge plate (1) is provided with two first fixing grooves (3), the outer sides of the two first fixing grooves (3) are respectively provided with two first screw holes (4), the other end of the bridge plate (1) is fixedly provided with two first connecting plates (14), the outer sides of the two first connecting plates (14) are respectively provided with two third screw holes (15), a strut (2) is fixedly arranged at the center of the bottom of the bridge plate (1), the bottom of the strut (2) is fixedly provided with a support (13), two shock absorption plates (18) are fixedly arranged on two sides of the top of the strut (2), one end of one shock absorption plate (18) is provided with two second fixing grooves (7), the outer sides of the two second fixing grooves (7) are respectively provided with two second screw holes (8), and the other end of the shock absorption plate (18) is fixedly provided with two second connecting plates (16), two screw holes four (17) are respectively formed in the outer sides of the two connecting plates two (16), damping rods (5) are respectively and fixedly mounted on the outer two sides of the bottom of the bridge plate (1) and the two sides close to the center, springs one (6) are respectively sleeved on the outer sides of the four damping rods (5), one ends of the springs one (6) are respectively and fixedly mounted outside the bottom of the bridge plate (1), the other ends of the springs one (6) are respectively and fixedly mounted outside the top of the damping plate (18), the bottoms of the four damping rods (5) respectively penetrate through the damping plate (18) and are fixedly connected with the connecting rods (9), a fixing block (12) is fixedly mounted in the middle of the inside of the strut (2), a telescopic rod (10) is fixedly mounted at the top of the fixing block (12), a spring two (11) is sleeved on the outer side of the telescopic rod (10), and the bottom of the spring two (11) is fixedly connected with the top of the fixing block (12), and a plurality of dampers (19) are fixedly arranged between the bridge plate (1) and the two damping plates (18).

2. The spliced bridge structure based on FRP materials as claimed in claim 1, wherein the dampers (19) are hydraulic dampers.

3. The spliced bridge structure based on FRP materials as claimed in claim 1, wherein the length of one end of the damping plate (18) is the same as that of one end of the bridge plate (1).

4. The spliced bridge structure based on FRP materials as claimed in claim 1, wherein the diameter of the first screw hole (4) is the same as that of the third screw hole (15), and the diameter of the second screw hole (8) is the same as that of the fourth screw hole (17).

5. The spliced bridge structure made of FRP materials as claimed in claim 1, wherein the first connecting plate (14) is disposed corresponding to the first fixing groove (3), and the second connecting plate (16) is disposed corresponding to the second fixing groove (7).

6. The spliced bridge structure based on FRP materials as claimed in claim 1, wherein the outer sides of the four shock absorption rods (5) are connected with the shock absorption plates (18) in a sliding way.

7. The spliced bridge structure based on FRP materials as claimed in claim 1, wherein the top ends of the telescopic rods (10) are fixedly connected to the lower side of the bridge slab (1), and the pillars (2) are slidably connected with the damping slab (18).