CN103758024A - Steel construction passenger footbridge of quick assembly disassembly - Google Patents

Abstract

The invention provides a steel structure pedestrian overpass capable of being quickly disassembled and assembled, which comprises piers, a bridge with a bridge floor, stairs and guardrails, wherein the bridge is arranged on the piers, the stairs are arranged at two ends of the bridge, and the guardrails are arranged on two sides of the bridge and the stairs; the connecting assembly comprises end plates, clamping plates and connecting plates, wherein the end plates are arranged at the head end and the tail end of the I-steel and provided with through holes, the clamping plates are arranged in the I-steel grooves and provided with through holes, the connecting plates are arranged between every two clamping plates and provided with through holes, and bolts and nuts are arranged in the through holes. The pedestrian overpass can be assembled or disassembled quickly and conveniently, the time for building or disassembling is greatly shortened, the road traffic pressure is relieved, the disassembled pedestrian overpass can be repeatedly used, the material and the cost are greatly saved, and in addition, due to the adoption of the assembled structure, the assembly parts can be produced and transported in batches, so that the large-scale and intensive production, transportation and installation are facilitated.

Description

Quickly disassembled steel structure pedestrian bridge

the

technical field

The invention relates to a pedestrian bridge, in particular to a steel structure pedestrian bridge that can be quickly disassembled, and belongs to the technical field of bridge building design and manufacture.

Background technique

Pedestrian bridge is an indispensable building structure in urban construction, and it can solve the traffic safety problems existing in the mixed traffic of people and vehicles. However, since the existing pedestrian bridges are mostly steel-concrete structures, when they are constructed in cities with a large number of people and a large traffic flow, it will take a long time and occupy limited road resources, which will adversely affect urban road traffic and people's travel. At the same time, when the urban planning changes and the permanent bridge needs to be dismantled, it is not only time-consuming and labor-intensive, but also can no longer be used once dismantled, resulting in a waste of raw materials. Though the pedestrian bridge of steel structure is also developed at present, still there are many problems such as heavy weight, large amount of welding construction, inconvenient dismounting, large volume, and difficult transportation. Therefore it is necessary to improve the prior art.

Contents of the invention

In order to solve the problem that the existing pedestrian bridge uses steel-concrete structure, which takes up road resources during construction or demolition, which is time-consuming and labor-intensive, and cannot be reused, or because of the steel structure, it has heavy weight, large amount of welding construction, and inconvenient disassembly and assembly, etc. Problem, the present invention provides a steel structure pedestrian bridge that can be quickly disassembled.

The present invention is accomplished through the following technical proposals: a steel structure pedestrian bridge that can be quickly disassembled, including bridge piers, and a bridge with a deck on the bridge piers, and ladders at both ends of the bridge, and bridges and ladders on both sides of the bridge. The guardrail is characterized in that the bridge is composed of several I-beams with through holes and connecting components, so that multiple I-beams are connected into a bridge through the connecting components.

The connecting assembly includes an end plate with a through hole arranged at both ends of the I-beam, and a clip board with a through hole in the groove of the I-beam, and between two clips. There are connecting plates with through holes, and bolts and nuts are arranged in the through holes, so as to connect two pairs of I-beams longitudinally through the end plates, thereby extending the length of the bridge, and then connect two pairs of I-beams horizontally through clamping plates and connecting plates , increase the width of the bridge, and fix it with bolts and nuts.

The bridge deck includes several panels successively arranged on the bridge and provided with through holes. Bolts and nuts are arranged in the through holes. The through holes correspond to the through holes on the I-beam, so as to be connected by bolts and nuts Panels on bridges.

The ladder includes two side-by-side slanted beams, and several levels of right-angled plates arranged on the two slanted beams in turn, wherein each slanted beam is composed of I-shaped steel and a connecting end plate with a through hole on it. Bolts and nuts are provided so that two pairs of I-beams can be connected longitudinally through the connecting end plates and fixed by bolts and nuts to extend the length of the inclined beam.

The two ends of the horizontal end surface and the vertical end surface of each rectangular plate are respectively welded on two inclined beams to form a multi-stage ladder.

The piers are set as several round or oval or rectangular columns of different lengths, and the top and bottom of each column are respectively provided with a top plate and a chassis with through holes, and bolts and nuts are arranged in the through holes to pass through the bolts. and nuts to fix the chassis on the underground reinforced concrete foundation, and then use bolts and nuts to fix bridges and steps on several piers, thus forming a pedestrian bridge with steps and bridges.

The guardrail includes uprights and cross bars fixed between the uprights. The bottom of each upright is provided with a bottom plate with through holes thereon, and bolts and nuts are arranged in the through holes to connect the guardrails to each other through the bolts and nuts. Both sides of the bridge and stairs.

The present invention has the following advantages and effects: adopting the above scheme, the pedestrian bridge can be quickly and conveniently assembled or dismantled, greatly shortening the construction or dismantling time, relieving road traffic pressure, and the dismantled pedestrian bridge can be reused, greatly saving In addition, due to the adoption of the assembled structure, the assembled parts can be produced in batches and transported, which is conducive to large-scale and intensive production, transportation and installation. It is actually an ideal pedestrian bridge.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is the top view of the present invention;

Fig. 3 is the A-A view of Fig. 1;

Fig. 4 is a bridge longitudinal structure diagram of the present invention;

Fig. 5 is the B-B view of Fig. 4;

Fig. 6 is a bridge cross-sectional structure diagram of the present invention;

Fig. 7 is the structure drawing of connecting pull of the present invention;

Fig. 8 is a bridge deck structural diagram of the present invention;

Fig. 9 is a ladder structure diagram of the present invention;

Figure 10 is a structure diagram of the guardrail of the present invention;

Fig. 11 is the pier chassis structural diagram of the present invention;

Fig. 12 is a structure diagram of the guardrail bottom plate of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

The quick dismountable steel structure pedestrian bridge provided by the present invention comprises bridge pier 9, and the bridge 1 with the bridge deck 8 that is located on the bridge pier 9, and the ladder 2 that is located at the two ends of bridge 1, is located at both bridge 1 and ladder 2 The guardrail 3 on the side, the bridge 1 is made up of several I-beams 10 with first through holes 19 on it and connecting components, the connecting components include the ends of the first and rear ends of I-beams 10 and the second through holes 12 on them. plate 11, and the clamping plate 14 on which the third through hole 13 is arranged in the groove of the I-beam 10, and the connecting plate 15 on which the fourth through hole 16 is arranged between the two clamping plates 14 , the first through hole 19, the second through hole 12, and the third through hole 13 are provided with bolts and nuts, and the bridge deck 8 includes several panels 17 which are successively arranged on the bridge 1 and set the fifth through hole 18 on it. , the fifth through hole 18 is provided with bolts and nuts, the fifth through hole 18 corresponds to the first through hole 19 on the I-beam 10, so as to facilitate fixing with bolts and nuts, the ladder 2 includes two parallel oblique Beam 7, and several right-angle plates 21 arranged on two inclined beams 7 in turn, wherein each inclined beam is made of I-beam 20 and connecting end plate 11 with second through hole 12 thereon, second through hole 12 Bolts and nuts are provided inside to facilitate the connection of two or two I-beams 20. The two ends of the horizontal end face and the vertical end face of each rectangular plate 21 are respectively welded on the two oblique beams 7 to form multi-level ladders, bridge pier 9 is set as several circular columns of different lengths, the top and bottom of each circular column are respectively provided with a top plate 22 and a chassis 23 with a sixth through hole 24, the top plate 22 is connected with the bridge 1 and the ladder 2, and Fixed by bolts and nuts, the chassis 23 is connected to the underground concrete foundation and fixed by bolts and nuts. The guardrail 3 includes uprights 6 and cross bars 5 fixed between the uprights 6. The bottom of each upright is provided with its own The bottom plate 4 with the seventh through hole 25 is provided with bolts and nuts in the seventh through hole 25 to fix the guardrail 3 on both sides of the bridge 1 and the ladder 2, as shown in Figures 1 to 12.

Claims (5)

1. the steel structure footbridge of a quickly dismantled, comprise bridge pier, and be located at the bridge with bridge floor on bridge pier, and be located at the ladder at bridge two ends, be located at the guardrail of bridge and ladder both sides, it is characterized in that bridge consists of several i iron and the coupling assembling of establishing through hole on it; Described coupling assembling comprises on its that be located at i iron head and the tail two ends establishes the end plate of through hole, and is located on its in i iron groove and establishes the clamp of through hole, and is located at the connecting plate of establishing through hole on its between clamp between two, is provided with bolt and nut in through hole.

2. the steel structure footbridge of quickly dismantled according to claim 1, is characterized in that described bridge floor comprises to be located at successively the several piece panel of establishing through hole on its on bridge, in through hole, be provided with bolt and nut, this through hole is corresponding with the through hole on i iron.

3. the steel structure footbridge of quickly dismantled according to claim 1, it is characterized in that described ladder comprises two cant beams arranged side by side, and be located at successively several grades of L-squares on two cant beams, wherein, each cant beam by i iron with and on establish through hole connection end plate form, in through hole, be provided with bolt and nut.

4. the steel structure footbridge of quickly dismantled according to claim 1, it is characterized in that described bridge pier is made as several circles or ellipse or the rectangle column of different length, the top of each root post and bottom are respectively equipped with top board and the chassis with through hole, are provided with bolt and nut in through hole.

5. the steel structure footbridge of quickly dismantled according to claim 1, is characterized in that described guardrail comprises vertical rod, is fixed on the cross bar between vertical rod, and the bottom of each vertical rod is provided with the base plate with through hole on it, is provided with bolt and nut in through hole.

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