CN210458927U

CN210458927U - Durable hinge joint structure device for concrete bridge

Info

Publication number: CN210458927U
Application number: CN201920781225.3U
Authority: CN
Inventors: 苏强; 孟庆领; 王婧; 杜建涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-05
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a durable hinge joint constructional device of concrete bridge, including the basement, correspond on the basement both ends and be equipped with two girders, and form the hinge joint between two girders, be equipped with sill bar, bearing plate and ejector pin respectively from bottom to top in the hinge joint, the sill bar both ends all are connected with the bearing axle, and the ejector pin middle-end is connected with spacing axle, and two epaxial slopes of bearing are connected with hinge joint cross reinforcement, and two hinge joint cross reinforcement middle-ends all are connected with spacing axle. The utility model forms a hinge joint between two main beams which are correspondingly arranged, and uses a bottom rod and a top rod to support a hinge joint cross reinforcing steel bar between the two hinge joints, thereby pouring a hinge joint concrete interlayer in the hinge joint; meanwhile, a panel layer is poured on the hinge joint concrete interlayer, and the concave teeth and the convex teeth are meshed and abutted to be connected so as to increase the contact area between the concave teeth and the convex teeth; the compact structure of the panel layer and the main beam is expanded through the expansion bolts, so that effective structural protection is provided for the hinge joint.

Description

Durable hinge joint structure device for concrete bridge

Technical Field

The utility model relates to a bridge hinge joint construction technical field especially relates to a durable hinge joint structure device of concrete bridge.

Background

A bridge is a large structure used to span obstacles. And more particularly to structures used to span traffic routes or other facilities across natural or artificial obstacles. The purpose of the bridge is to allow a person, vehicle, train or vessel to pass through the obstacle. The bridge can be built on both sides of a valley or a strait or lifted on the ground to cross a river or a road below, so that the traffic below is unobstructed.

With the continuous development of the industrialization level in the science and technology, the variety and structure of the bridge are also increasing. Among them, bridges of reinforced concrete structure are most common. When the bridge of reinforced concrete structure is built, what is difficult to avoid is that the hinge joint between two girders exists, and under the conventional technology, a safe and effective treatment method is lacked, and the mode of filling objects in the oriented hinge joint is generally adopted to make up the hinge joint gap. However, when the bridge endured great weight extrusion, especially the weight of thousands of hundreds of tons, the hinge joint on the bridge easily led to the girder structure damaged because the atress is uneven, not only can lead to the fact destruction to bridge overall structure, after long-term accumulation, can cause the bridge to collapse even to influence traffic safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the bridge hinge joint lacks the protection among the prior art and is easily leaded to out of shape the damage too big, and the durable hinge joint constructional device of concrete bridge that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a durable hinge joint constructional device of concrete bridge, includes the basement, it is equipped with two girders to correspond on the basement both ends, and forms the hinge joint between two girders, be equipped with sill bar, bearing plate and ejector pin respectively from bottom to top in the hinge joint, the sill bar both ends all are connected with the bearing axle, and the ejector pin middle-end is connected with spacing axle, two equal slope is connected with hinge joint cross reinforcement on the bearing axle, and two hinge joint cross reinforcement middle-ends all are connected with spacing axle, it has hinge joint concrete intermediate layer to fill in the hinge joint, and hinge joint concrete intermediate layer upper end is equipped with the dogtooth, two the panel layer has been pour to the girder upper end, and panel layer lower extreme both sides are equipped with the dogtooth, vertical division is equipped with the shrinkage pool in the panel layer, and the fixed cover is equipped with expansion bolt in the shrinkage pool.

Preferably, the two main beams are correspondingly arranged relative to the perpendicular bisector of the base, and the hinge joint is of an upper-end sealing-free structure.

Preferably, the two ends of the bearing shaft, the bearing plate and the ejector rod are respectively and horizontally connected with the inner walls of the two main beams.

Preferably, logical groove has all been seted up at the bearing plate both ends, and two hinge joint crossing reinforcing bars run through twice logical groove respectively.

Preferably, the hinge joint concrete interlayer is positioned at the upper end of the bearing plate.

Preferably, the convex teeth are in meshed connection with the concave teeth.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses two slope open-ended girders correspond the setting to form slope open-ended hinge joint, utilize the relatively poor two hinge joint cross reinforcement that set up of sill bar, bearing plate and ejector pin in the hinge joint, and pour hinge joint concrete intermediate layer on two hinge joint cross reinforcement, in order to fill the hinge joint.

2. The utility model discloses a pour panel layer on two girders, and set up concave tooth and dogtooth respectively at hinge joint concrete intermediate layer and panel layer both ends correspondence, through concave tooth and dogtooth meshing connection to increase the area of contact of hinge joint concrete intermediate layer and panel layer, in order to promote the force stability between the two; expansion bolts are fixed in the panel layer and the main beam, so that a compact structure between the panel layer and the main beam is alleviated.

To sum up, the utility model forms a hinge joint between two main beams which are correspondingly arranged, and uses a bottom rod and a top rod to support a hinge joint cross reinforcing steel bar between the two hinge joints, thereby pouring a hinge joint concrete interlayer in the hinge joint; meanwhile, a panel layer is poured on the hinge joint concrete interlayer, and the concave teeth and the convex teeth are meshed and abutted to be connected so as to increase the contact area between the concave teeth and the convex teeth; the compact structure of the panel layer and the main beam is expanded through the expansion bolts, so that effective structural protection is provided for the hinge joint.

Drawings

Fig. 1 is a schematic structural view of a concrete bridge durable hinge joint structure device provided by the present invention;

FIG. 2 is an enlarged view of the structure of part A of the durable hinge joint structure device for a concrete bridge according to the present invention;

fig. 3 is a schematic view of a hinge joint concrete sandwich structure of a durable hinge joint structure device for a concrete bridge according to the present invention;

fig. 4 is the utility model provides a panel layer structure sketch map of the durable hinge joint constructional device of concrete bridge.

In the figure: the expansion bolt comprises a base 1, a main beam 2, a bottom rod 3, a bearing plate 4, an ejector rod 5, a bearing shaft 6, a limiting shaft 7, a through groove 8, a hinge joint crossed reinforcing steel bar 9, a hinge joint concrete interlayer 10, concave teeth 11, a panel layer 12, convex teeth 13, concave holes 14 and expansion bolts 15.

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.

Referring to fig. 1-4, a concrete bridge durable hinge joint structure device comprises a base 1, two main beams 2 are correspondingly arranged at two ends of the base 1, a hinge joint is formed between the two main beams 2, the hinge joint is obliquely arranged and adopts a structure with a smaller upper end opening, a bottom rod 3, a bearing plate 4 and a top rod 5 are respectively arranged in the hinge joint from bottom to top, two ends of the bottom rod 3 are respectively connected with a bearing shaft 6, the middle end of the top rod 5 is connected with a limit shaft 7, two bearing shafts 6 are respectively and obliquely connected with hinge joint crossed steel bars 9, the two hinge joint crossed steel bars 9 obliquely extend to the height position of the upper end of the main beams 2, the middle ends of the two hinge joint crossed steel bars 9 are respectively connected with the limit shaft 7, a hinge joint concrete interlayer 10 is filled in the hinge joint, the hinge joint concrete interlayer 10 is of a T-shaped structure, as shown in fig. 3, so as to be fixed in the hinge joint, and concave teeth 11 are arranged at the, panel layer 12 has been pour to two 2 upper ends of girder, and panel layer 12 lower extreme both sides are equipped with dogtooth 13, and vertical division is equipped with shrinkage pool 14 in panel layer 12, and shrinkage pool 14 internal fixation cover is equipped with expansion bolts 15, and its self structural expansion of accessible to carry out structural support to panel layer 12 and girder 2, avoid panel layer 12 and girder 2 inflation when experiencing great external force extrusion to break.

The two main beams 2 are correspondingly arranged relative to the perpendicular bisector of the substrate 1, the hinge joints are of a structure without sealing at the upper ends, and the two ends of the bearing shaft 6, the bearing plate 4 and the ejector rod 5 are respectively horizontally connected with the inner walls of the two main beams 2.

Logical groove 8 has all been seted up at bearing plate 4 both ends, and two hinge joint crossed reinforcing bars 9 run through twice respectively and lead to groove 8 to provide limiting displacement to two hinge joint crossed reinforcing bars 9, hinge joint concrete intermediate layer 10 is located bearing plate 4 upper end.

The convex teeth 13 are meshed with the concave teeth 11, so that the contact area of the connection between the panel layer 12 and the hinge joint concrete interlayer 12 can be increased, the panel layer and the hinge joint concrete interlayer can be mutually extruded when being extruded by external force, the stress is ensured to be uniform, and the fracture separation is avoided.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

after the two main beams 2 are positioned, hinge joint crossed steel bars 9 are arranged in the hinge joints.

And pouring concrete into the hinge joint, enabling the concrete to be positioned on the bearing plate 4, and enabling two sides of the upper end of the hinge joint concrete interlayer 10 to be correspondingly provided with concave teeth 11.

After the hinge joint concrete interlayer 10 is solidified and formed, the panel layers 12 are uniformly poured on the two main beams 2, and convex teeth 13 are arranged at two ends of the lower side of the panel layers 12 and are clamped and abutted with the concave teeth 11 at two ends of the hinge joint concrete interlayer 10, so that cross connection is realized.

After the panel layer 12 is solidified and formed, a concave hole 14 is vertically formed in the panel layer 12, and an expansion bolt 15 is arranged in the concave hole 14.

When a heavy object is extruded on the road surface, the panel layer 12 extrudes the hinge joint concrete interlayer 10, the hinge joint concrete interlayer 10 extrudes the two hinge joint crossed steel bars 9, and the two hinge joint crossed steel bars 9 deform under stress.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A concrete bridge durable hinge joint structure device comprises a base (1) and is characterized in that two main beams (2) are correspondingly arranged at two ends of the base (1), a hinge joint is formed between the two main beams (2), a bottom rod (3), a bearing plate (4) and an ejector rod (5) are respectively arranged in the hinge joint from bottom to top, two ends of the bottom rod (3) are respectively connected with a bearing shaft (6), the middle end of the ejector rod (5) is connected with a limiting shaft (7), two bearing shafts (6) are respectively connected with hinge joint crossed reinforcing steel bars (9) in an inclined mode, the middle ends of the two hinge joint crossed reinforcing steel bars (9) are respectively connected with the limiting shaft (7), a hinge joint concrete interlayer (10) is filled in the hinge joint, concave teeth (11) are arranged at the upper end of the hinge joint concrete interlayer (10), a panel layer (12) is poured at the upper ends of the two main beams (2), and convex teeth (13) are arranged at two sides of the lower end of the panel, a concave hole (14) is vertically formed in the panel layer (12), and an expansion bolt (15) is fixedly sleeved in the concave hole (14).

2. The concrete bridge durable hinge joint structure device according to claim 1, wherein two main beams (2) are correspondingly arranged relative to a perpendicular bisector of the base (1), and a hinge joint is of an upper end sealing-free structure.

3. The concrete bridge durable hinge joint structure device according to claim 1, wherein two ends of the bearing shaft (6), the bearing plate (4) and the ejector rod (5) are respectively and horizontally connected with the inner walls of the two main beams (2).

4. The concrete bridge durable hinge joint structure device according to claim 1, wherein through grooves (8) are formed in both ends of the bearing plate (4), and two hinge joint crossing steel bars (9) penetrate through the two through grooves (8) respectively.

5. The concrete bridge durable hinge joint structure device according to claim 4, wherein the hinge joint concrete interlayer (10) is positioned at the upper end of the bearing plate (4).

6. The concrete bridge durable hinge joint structural device according to claim 1, wherein the convex teeth (13) are engaged with the concave teeth (11).