CN214362810U - Steel crossbeam gate-type mound suitable for installation shock attenuation tenon - Google Patents

Abstract

The utility model belongs to pier structural design field to specifically disclose a steel crossbeam gate-type mound suitable for installation shock attenuation tenon, this steel crossbeam gate-type mound include transverse arrangement's steel case crossbeam and two pier stud of vertical arrangement, two pier studs are located the below of steel case crossbeam is used for supporting steel case crossbeam, this steel case crossbeam are the steel structure crossbeam, and its top has been prefabricated has the bearing groove that is used for installing the shock attenuation tenon. The utility model discloses can set up under the condition of shock attenuation tenon, satisfy the space demand of shock attenuation tenon installation, have simple structure, construction simple operation's advantage, effectively enlarge the application scope of steel crossbeam gate-type mound.

Description

Steel crossbeam gate-type mound suitable for installation shock attenuation tenon

Technical Field

The utility model belongs to pier structural design field, more specifically relates to a steel crossbeam gate-type mound suitable for installation shock attenuation tenon.

Background

In the field of railway bridge construction, when a bridge is to be built to obliquely cross existing roads or railways, oil or natural gas pipelines, optical cable cables and the like and meet the requirements of urban overpasses, pier columns at the lower part of the bridge are often designed into gate-type piers. The gate pier is a stress structure which is composed of a stand column and a cover beam and transmits upper load to a foundation, and the gate pier is usually in the form of a concrete beam gate pier and a steel beam gate pier. When strideing across existing operation railway, adopt steel beam gate-type mound more, steel beam gate-type mound is the crossbeam of steel box structure and the structural style of concrete pier column combination, and wherein steel beam adopts the mill prefabrication more, and the mode of on-the-spot hoist and mount is installed.

In a high-intensity earthquake area, a bridge structure is generally required to be provided with damping tenons to meet the requirement of bridge earthquake proofing, and the damping tenons have certain damping and energy dissipation functions, so that earthquake force can be effectively weakened, and the damage of earthquake action to the bridge structure is reduced. When the steel beam gate-type pier is adopted as the pier in the high-intensity earthquake area, the top surface of the existing steel beam gate-type pier is of an integral steel plate structure, and the damping tenon cannot be installed due to the fact that the existing steel beam gate-type pier is not provided with the pre-buried space of the damping tenon. Therefore, there is a need in the art for an improved structure of the existing steel beam gate pier, so that the damping tenon can be effectively installed, and the steel beam gate pier is suitable for high-intensity seismic areas.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model provides a steel beam gate-type mound suitable for installation shock attenuation tenon, its structural design through steel beam can set up under the condition of shock attenuation tenon, satisfies the space demand of shock attenuation tenon installation, has simple structure, construction simple operation's advantage, enlarges the application scope of steel beam gate-type mound greatly.

In order to realize the above-mentioned purpose, the utility model provides a steel crossbeam gate-type mound suitable for installation shock attenuation tenon, its characterized in that, this steel crossbeam gate-type mound include transverse arrangement's steel case crossbeam and two pier stud of vertical arrangement, two pier studs are located the below of steel case crossbeam is used for supporting steel case crossbeam, this steel case crossbeam are steel structure crossbeam, and its top has in advance to have the bearing groove that is used for installation shock attenuation tenon.

Preferably, the bearing groove is formed by forming a hole in the top of the steel box cross beam and then welding a bearing box at the hole, wherein the bearing box is positioned on the inner side of the steel box cross beam.

More preferably, the bearing box is a cube with an open upper end and is formed by welding five steel plates.

Preferably, longitudinal ribs are arranged between the bottom of the bearing box and the bottom of the steel box cross beam.

Preferably, the top of the steel box cross beam is also provided with a pad, and a simply supported beam is arranged above the pad through a support.

Preferably, the upper end of the damping tenon is arranged in the groove at the bottom of the simply-supported beam, the lower end of the damping tenon is positioned in the bearing box, and mortar is poured into the bearing box to ensure that the damping tenon is connected with the steel box cross beam.

Preferably, the bottoms of the two pillars are provided with bearing platforms, and the bearing platforms are installed on the foundation through pile foundations.

Preferably, the two pillars are concrete pillars.

Generally, through the utility model above technical scheme who thinks compares with prior art, mainly possesses following technical advantage:

1. the utility model discloses a at the prefabricated bearing groove in the top of steel case crossbeam, can provide installation space for the shock attenuation tenon for steel case crossbeam gate-type mound can be applied to high intensity earthquake district, and control roof beam body earthquake power acts on the displacement and improves the shock resistance of bridge down.

2. The utility model discloses a bearing box is directly prefabricated on the steel case crossbeam, and it can together make with the steel case crossbeam in the mill, and the preparation is convenient, and prefabricated bearing box in advance for steel case crossbeam gate-type mound can be according to the required shock attenuation tenon of installation in the bearing box of actual need selectivity, convenient and practical.

3. The utility model discloses a polylith steel sheet welding obtains the bearing box, and is simple and convenient reliable to the bearing box links to each other with the welded mode with the steel case crossbeam, can guarantee the reliability of connecting.

4. The utility model discloses still be provided with between bearing box and steel case crossbeam and indulge the rib, the installation stability and the reliability of assurance bearing box that can step forward.

5. The utility model discloses a steel crossbeam gate-type mound adopts the steel construction crossbeam, has the dead weight light, and self strides over the advantage that the ability is strong, and the steel construction crossbeam can adopt the mill prefabrication, and on-the-spot hoist and mount erects swiftly, and is little to the influence of existing operation railway line.

Drawings

Fig. 1 is a schematic structural view of a steel beam gate pier suitable for mounting a damping tenon according to an embodiment of the present invention;

fig. 2 is a schematic view of the installation of the steel beam gate pier, the damping tenon and the simply supported beam provided by the embodiment of the invention;

fig. 3 is a schematic structural view of a shock absorbing tenon provided in the embodiment of the present invention.

The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:

1-steel box beam, 2-pier stud, 3-damping tenon, 4-bearing box, 5-longitudinal rib, 6-cushion stone, 7-simply supported beam, 8-bearing platform, 9-pile foundation, 10-upper embedded sleeve, 11-limiting steel tenon, 12-flange and 13-lower embedded sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the embodiment of the utility model provides a steel beam gate-type mound suitable for installation shock attenuation tenon, this steel beam gate-type mound include transverse arrangement's steel case crossbeam 1 and two piers 2 of vertical arrangement, and the below of steel case crossbeam 1 is located to two piers 2 for support steel case crossbeam 1, this steel case crossbeam 1 is the steel structure crossbeam, and it includes roof and bottom, and the top of steel case crossbeam is prefabricated on the roof promptly and has the bearing groove that is used for installation shock attenuation tenon 3. Through at the prefabricated bearing groove in steel case crossbeam top, can realize pre-buried of shock attenuation tenon for steel crossbeam gate-type mound not only can be used for general area, can also be used for high intensity ground seismic region.

The following is a detailed description of each component, wherein the bearing groove and the steel box beam 1 are manufactured together in a factory, specifically, a hole is formed in the top of the steel box beam 1, namely, a top plate, and then a bearing box 4 is welded in the hole, the bearing box 4 is located on the inner side of the steel box beam 1, and the size of the bearing box is suitable for meeting the requirement of the damping tenon structure. This bearing box has guaranteed that the shock attenuation tenon has the pre-buried space of installation for prefabricating on the steel case crossbeam in advance for steel case crossbeam application can be according to actual need when high intensity earthquake region, required shock attenuation tenon of installation in the bearing box, with effectively weakening the earthquake power, reduces the damage of earthquake effect to bridge structures. The utility model discloses under the condition that the bridge needs to set up the shock attenuation tenon, carry out local structure to steel crossbeam gate-type mound and handle, at the local trompil in steel crossbeam top to at the downthehole welding steel bearing box, make steel crossbeam gate-type mound can satisfy the space demand of shock attenuation tenon installation.

Furthermore, the bearing box 4 is designed to be a cube with an opening at the upper end, and the size of the bearing groove can be 40cm multiplied by 40cm or 50cm multiplied by 50cm, so that the installation size of the lower end of the damping tenon can be met. The corresponding hole at the top of the steel box cross beam is square, and the size of the hole is adapted to the bearing box. The bearing box 4 is formed by welding five steel plates, a bottom plate is horizontally arranged at first, then four vertically arranged steel plates are welded on the bottom plate, a cube with an upper end opened is formed, and then four sides of the opening end of the cube and a square hole formed in the top of a steel box beam are welded correspondingly. The bearing box is effectively and reliably connected with the steel box cross beam through welding. Furthermore, the thickness of the bearing box is preferably not less than the thickness of the longitudinal rib steel plate and not more than the thickness of a top plate and a web plate of the steel beam.

In order to ensure the stable connection of the bearing box and the steel box crossbeam, a longitudinal rib 5 is arranged between the bottom of the bearing box 4 and the bottom of the steel box crossbeam 1, namely the bottom plate, the mounting stability of the bearing box can be ensured by designing the longitudinal rib, one end of the longitudinal rib is welded with the bottom of the bearing box, and the other end of the longitudinal rib is welded with the bottom plate of the steel box crossbeam. Specifically, the utility model discloses well quantity and the position of bearing groove are corresponding with the shock attenuation tenon.

As shown in fig. 2, during practical application, a simply supported beam 7 is arranged above the steel box cross beam 1, a support and a cushion stone 6 are arranged between the simply supported beam 7 and the steel box cross beam 1, the support is used for supporting the simply supported beam and arranged on the cushion stone, the simply supported beam and the steel box cross beam can be connected through the support and the cushion stone, a groove is formed in the bottom of the simply supported beam 7 and beside the support, and the groove can be used for installing the upper end of the damping tenon.

As shown in fig. 3, the damping tenon 3 comprises an upper embedded sleeve 10, a lower embedded sleeve 13, a flange 12 and a limiting steel tenon 11, the upper embedded sleeve 10 of the damping tenon 3 is installed in a groove at the bottom of the simply supported beam 7, the lower embedded sleeve 13 is installed in the bearing box 4, the limiting steel tenon 11 is installed in the upper and lower embedded sleeves, the upper and lower limiting steel tenons are connected through a flange 12, and the lower embedded sleeve is filled with mortar in the bearing box to ensure effective connection of the damping tenon and the steel box beam.

Referring again to fig. 1, the bottoms of the two pillars 2 are further provided with a bearing platform 8, the bearing platform 8 is installed on the foundation through a pile foundation 9, and the steel beam gate-type pier can transmit the load to the foundation soil through the bearing platform and the pile foundation. Concrete pier stud 2 is concrete pier stud, and the concrete pier stud is convenient easily obtained, is often used in the pier.

The utility model discloses a steel beam gate-type mound can be used in any area, when being used in high intensity earthquake region, can set up the shock attenuation tenon in the bearing box, and the shock attenuation tenon is installed between simple beam and bearing box, realizes the shock attenuation, weakens the earthquake power, reduces the earthquake effect and to the damage of bridge structures, also can not set up the shock attenuation tenon in general area.

The utility model discloses under the condition that the bridge needs to set up the shock attenuation tenon, can satisfy the space demand of shock attenuation tenon installation, satisfied the space structure requirement that railway bridge set up the shock attenuation tenon, it is clear and definite to pass the power path, and the construction is succinct, and reasonable in design is feasible, and construction simple operation lets steel beam gate-type mound have wider application scope, has better social.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The utility model provides a steel beam gate-type pier suitable for installation shock attenuation tenon, its characterized in that, this steel beam gate-type pier includes steel case crossbeam (1) and two pier stud (2) of vertical arrangement of horizontal arrangement, two pier stud (2) are located the below of steel case crossbeam (1) is used for supporting steel case crossbeam (1), this steel case crossbeam (1) are the steel structure crossbeam, and its top prefabricated system has the bearing groove that is used for installing shock attenuation tenon (3).

2. A steel beam gate pier adapted for the installation of shock absorbing tenons according to claim 1, characterized in that the load-bearing groove is obtained by making a hole in the top of the steel box beam (1) and then welding a load-bearing box (4) at the hole, which load-bearing box (4) is located inside the steel box beam (1).

3. A steel beam gate pier suitable for mounting shock absorbing tenons according to claim 2, wherein the load-bearing box (4) is an open-topped cube welded from five steel plates.

4. A steel beam gate pier adapted for shock tenon installation as claimed in claim 2 wherein longitudinal ribs (5) are provided between the bottom of the load bearing box (4) and the bottom of the steel box beam (1).

5. A steel beam gate pier suitable for mounting shock absorbing tenons as claimed in claim 1, wherein the top of the steel box beam (1) is further provided with a pad stone (6), and a simple beam (7) is mounted above the pad stone (6) through a support.

6. The steel beam gate pier suitable for installing the shock absorbing tenon according to claim 5, wherein the shock absorbing tenon (3) is installed at the upper end in the groove at the bottom of the simply supported beam (7) and at the lower end in the bearing box (4), and the connection of the shock absorbing tenon and the steel box beam is ensured by pouring mortar in the bearing box.

7. A steel beam gate pier adapted for mounting shock absorbing tenons as claimed in claim 1 wherein two of said piers (2) are provided at their bottoms with a platform (8), the platform (8) being mounted on the foundation by pile foundations (9).

8. A steel beam portal pier adapted for the installation of shock absorbing tenons according to claim 1, in which the two piers (2) are concrete piers.

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