CN209923762U

CN209923762U - Public road bridge roof beam construction expansion joint connection structure

Info

Publication number: CN209923762U
Application number: CN201920360127.2U
Authority: CN
Inventors: 李丽丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-01-10
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a highway bridge construction expansion joint connection structure, including the decking, the upside of decking is equipped with the pavement groove, be equipped with the recess in the pavement groove, be equipped with the expansion joint in the decking, the top of expansion joint is equipped with the stagnant water layer, the pavement inslot side is equipped with hollow post, be equipped with the cavity in the hollow post, be equipped with the spring in the cavity, the outside of spring is equipped with the traveller, the traveller runs through in the cavity of hollow post, be equipped with the spout in the traveller, be equipped with first pivot, second pivot and third pivot in the traveller, the upside inside of traveller is equipped with the sliding tray, and this structure can more firm connection expansion joint, conveniently adapts to the destruction to the structure of stable stress that causes because of expend with heat and contract with cold, and adaptability is strong, and the decorative layer can decorate the expansion joint structure, has strengthened the pleasing to the eye of expansion joint, further enhancing the beauty of the highway bridge.

Description

Public road bridge roof beam construction expansion joint connection structure

Technical Field

The utility model relates to a connection structure technical field specifically is a public road bridge roof beam construction expansion joint connection structure.

Background

The expansion joint for building is a structural joint arranged at a proper position along the construction joint direction of the building or the structure for preventing the structure from cracking or destroying due to the change of the climate and temperature, and is used for dividing the building components above the foundation, such as a wall body, a floor slab, a roof and the like, into two independent parts so that the building or the structure can horizontally expand and contract along the length direction.

1. Because the expansion joint receives expend with heat and contract with cold's influence for the expansion joint leads to the damage of connecting piece very easily when connecting, and it is very inconvenient to use.

2. Due to the existence of the expansion joints, the attractiveness of the highway bridge is seriously influenced in the construction process, and the ornamental value of the bridge is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam construction expansion joint connection structure to solve the expansion joint because expend with heat and contract with cold form the problem that temperature stress pair structure is the damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a public road bridge roof beam construction expansion joint connection structure, includes the decking, the upside of decking is equipped with the pavement groove, be equipped with the recess in the pavement groove, be equipped with the expansion joint in the decking, the top at expansion joint is equipped with the stagnant water layer, pavement inslot side is equipped with hollow post, be equipped with the cavity in the hollow post, be equipped with the spring in the cavity, the outside of spring is equipped with the traveller, be equipped with first pivot, second pivot and third pivot in the traveller, the inside sliding tray that is equipped with of upside of traveller.

Preferably, the sliding column penetrates through a cavity of the hollow column, and a sliding groove is formed in the sliding column.

Preferably, two ends of the sliding column are respectively limited in the cavities at two sides.

Preferably, the inner side of the hollow column is limited in the sliding groove.

Preferably, a pulley is limited in the sliding groove, a sliding plate is arranged on the upper side of the pulley, the two sides of the sliding plate are connected in the groove in a sliding mode, and a decorative layer is arranged on the upper side of the sliding plate.

Compared with the prior art, the beneficial effects of the utility model are that: 1. this structure can be more firm connection expansion joint, and the convenient adaptation is because the steady stress that expend with heat and contract with cold caused is to the destruction of structure to adaptability is strong.

2. The decorative layer can decorate the expansion joint structure, has strengthened the pleasing to the eye of expansion joint, has further strengthened the pleasing to the eye of public road bridge roof beam.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of the position a of the present invention.

In the figure: 1 bridge deck slab, 2 paving grooves, 21 grooves, 31 expansion joints, 32 waterproof layers, 41 hollow columns, 42 cavities, 43 springs, 44 sliding columns, 45 sliding grooves, 46 first rotating shafts, 47 second rotating shafts, 48 third rotating shafts, 51 sliding grooves, 52 pulleys, 53 sliding plates and 6 decorative layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a highway bridge construction expansion joint connecting structure comprises a bridge deck plate 1, wherein a paving groove 2 is arranged on the upper side of the bridge deck plate 1, a groove 21 is formed in the paving groove 2, an expansion joint 31 is arranged in the bridge deck plate 1, a water stopping layer 32 is arranged above the expansion joint 31, the sectional area of the water stopping layer 32 is twice as large as that of the expansion joint 31, the water stopping layer 32 can be effectively prevented from being damaged when the expansion joint 31 is changed, the expansion joint 31 can be protected by the water stopping layer 32, a hollow column 41 is arranged on the inner side of the paving groove 2, a cavity 42 is formed in the hollow column 41, a spring 43 is arranged in the cavity 42, the left side of the spring 43 is fixedly connected to the inner part of the cavity 42, a sliding column 44 is arranged on the outer side of the spring 43, the right side of the spring 43 is fixedly connected to the right side of the sliding column 44, a first rotating shaft 46, a second rotating, the second rotating shaft 47 is made to rise upward, the sliding columns 44 on both sides of the second rotating shaft 47 rotate along the first rotating shaft 46 and the third rotating shaft 48, respectively, and the sliding grooves 51 are formed in the upper inner portions of the sliding columns 44.

Referring to fig. 2, the sliding column 44 penetrates the cavity 42 of the hollow column 41, and the sliding slot 45 is disposed in the sliding column 44.

Referring to fig. 2, two ends of the sliding column 44 are respectively limited in the two side cavities 42 to prevent the sliding column 44 from separating from the hollow column 41.

Referring to fig. 2, the inner side of the hollow column 41 is limited in the sliding slot 45, so that the sliding between the sliding column 44 and the hollow column 41 is more stable.

Referring to fig. 1, a pulley 52 is limited in the sliding groove 51, the pulley 52 can slide in the sliding groove 51, so that the sliding plate 53 can slide stably, the sliding plate 53 is arranged on the upper side of the pulley 52, two sides of the sliding plate 53 are slidably connected in the groove 21, the sliding plate 53 is matched with the groove 21, the decorative layer 6 is arranged on the upper side of the sliding plate 53, and the decorative layer 6 is made of a rubber material with good flexibility.

The utility model discloses when concrete implementation: when the expansion joint is used, when the expansion joint is affected by thermal expansion and cold contraction, large temperature stress is generated in the structure, the expansion joint 31 between the structures is enlarged or reduced, because the sectional area of the water stop layer 32 is twice of the sectional area of the expansion joint 31, the water stop layer 32 cannot be broken due to stress influence, and the end part of the sliding column 44 slides in the cavity 42, so that the spring 43 is compressed or stretched, the spring 43 can limit the position of the sliding column 44, the position deviation of the sliding column 44 is prevented from being too large, the reaction of the structure when meeting stress is influenced, the hollow column 41 slides in the sliding groove 45, the stability is improved, if the compression is too severe, the second rotating shaft 47 is upwards bulged, the sliding column 44 parts on the two sides of the second rotating shaft 47 respectively rotate along the first rotating shaft 46 and the third rotating shaft 48, the fracture of a connecting piece is further prevented, and the two ends of the sliding plate, the pulley 52 slides in the sliding groove 51, so that the stability of the sliding plate 53 is enhanced, and the decorative layer 6 on the sliding plate 53 is made of rubber materials, so that certain tensile and compressive forces can be counteracted, the structure surface is more attractive, and the integral ornamental value of a highway bridge is not influenced.

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 utility model provides a public road bridge roof beam construction expansion joint connection structure, includes decking (1), its characterized in that: the upside of decking (1) is equipped with mounting groove (2), be equipped with recess (21) in mounting groove (2), be equipped with expansion joint (31) in decking (1), the top of expansion joint (31) is equipped with stagnant water layer (32), mounting groove (2) inboard is equipped with hollow column (41), be equipped with cavity (42) in hollow column (41), be equipped with spring (43) in cavity (42), the outside of spring (43) is equipped with traveller (44), be equipped with first pivot (46), second pivot (47) and third pivot (48) in traveller (44), the upside inside sliding tray (51) that is equipped with of traveller (44).

2. The expansion joint connecting structure for road bridge construction according to claim 1, wherein: the sliding column (44) penetrates through a cavity (42) of the hollow column (41), and a sliding groove (45) is arranged in the sliding column (44).

3. The expansion joint connecting structure for road bridge construction according to claim 1, wherein: two ends of the sliding column (44) are respectively limited in the cavities (42) at two sides.

4. The expansion joint connecting structure for road bridge construction according to claim 1, wherein: the inner side of the hollow column (41) is limited in the sliding groove (45).

5. The expansion joint connecting structure for road bridge construction according to claim 1, wherein: a pulley (52) is limited in the sliding groove (51), a sliding plate (53) is arranged on the upper side of the pulley (52), two sides of the sliding plate (53) are connected in the groove (21) in a sliding mode, and a decoration layer (6) is arranged on the upper side of the sliding plate (53).