CN219045089U - Super-long-distance large-span pedestrian steel cable bridge - Google Patents

Abstract

The utility model relates to an ultra-long-distance large-span pedestrian steel cable bridge, which comprises a pair of main cables, wherein two ends of the main cables are fixedly connected with cable towers on two sides of a valley, and a bridge deck assembly formed by a plurality of bridge deck units is suspended below the main cables through a plurality of suspenders; the bridge deck unit comprises a panel and a pair of bridges with regular hexagonal cross sections; the longitudinal outer side surface of the bridge is fixedly connected with the bottom of the suspender, and the top of the suspender is fixedly connected with the main cable through a cable clamp; the panel is transversely arranged between the bridges, and two ends of the panel are fixedly connected with inclined planes at the tops of the bridges respectively; the bottom of the suspender is fixedly connected with an anti-wind cable through an anti-wind stay cable. The main rope is used as a stress body, and the bridge with the regular hexagon cross section of the cavity is hung through the suspender, so that the bridge structure strength is ensured, the weight of the bridge is reduced, and the load of the main rope is reduced; the stiffening beam between the suspenders strengthens the fixing effect and load of the bridge to the panel. The arc-shaped wind-resistant cable is adapted to wind speed from the valley sides to the valley, so that stability of the steel cable bridge is ensured. The device has the advantages of simple structure, convenient use, modularization, convenient installation, strong load and good stability.

Description

Super-long-distance large-span pedestrian steel cable bridge

Technical Field

The utility model relates to a steel cable bridge, in particular to an ultra-long-distance large-span pedestrian steel cable bridge.

Background

The Chinese operators are wide, the natural environment is complex and various, and various special geographical ecological environments are formed. In landscape construction of large parks with serious land relief such as hills and mountains, deep mountain canyons and valleys in some areas are V-shaped and U-shaped, have steeper slopes and steep broken valleys of more than 40 degrees, so that a pedestrian cableway needs to be erected across the valleys in order to ensure smooth traffic. However, most of the existing cableways have short-distance structures, and the safety and stability strength of the cableways, especially the stability under wind pressure, of the cableways with ultra-long distance and large span are required to be ensured.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide an ultra-long-distance large-span pedestrian steel cable bridge.

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

the ultra-long-distance large-span pedestrian steel cable bridge comprises a pair of main cables, two ends of the main cables are fixedly connected with cable towers on two sides of a valley, and a bridge deck component is suspended below the main cables through a plurality of suspenders;

the deck assembly comprises a plurality of deck units,

the bridge deck unit comprises a panel and a pair of bridges with regular hexagonal cross sections,

the bridge is fixedly connected with the bottom of the suspender on the longitudinal outer side surface of the regular hexagon, and the top of the suspender is fixedly connected with the main cable through a cable clamp;

the panel is transversely arranged between the bridges, and two ends of the panel are fixedly connected with the inner inclined surfaces of the tops of the regular hexagons respectively;

the bottom of the suspender is fixedly connected with an anti-wind cable, and the other end of the anti-wind cable is fixedly connected with an anti-wind cable which spans across two sides of the valley.

The wind-resistant inhaul cable is arranged on the outer side of the bridge and is declined by 45-60 degrees.

The wind-resistant cable is arc-shaped, and two ends of the arc are far away from the bridge.

The suspenders are symmetrically arranged on the outer sides of a pair of bridges, and a plurality of stiffening girders are fixedly arranged between the bottoms of the suspenders.

The cable clamp comprises a U-shaped bolt and a pair of clamping plates;

the middle part of the clamping plate is a semicircular groove, and two ends of the groove are clamping lugs provided with bolt holes; the groove is used for clamping the main rope, the arc section of the U-shaped bolt is attached to the outer side face of the clamping plate, the straight line section of the U-shaped bolt penetrates through the bolt hole and the hanging rod respectively, and the clamping lug and the hanging rod are locked by nuts respectively.

The middle part of the suspender is provided with an armrest button for passing through an armrest cable.

The utility model has the advantages that:

according to the ultra-long-distance large-span pedestrian steel cable bridge, the main cable is used as a main stress body, and the cross section of the cavity is hung through the suspender to form the regular hexagonal bridge, so that the structural strength of the bridge is ensured, the weight of the bridge is reduced, and the load of the main cable is reduced; the suspenders play a role in bearing, and meanwhile, the fixing effect and the load of the bridge to the panel are enhanced through the stiffening girders among the suspenders. Through curved anti-wind cable, the adaptation is from the millet limit to the wind speed in the millet, combines the anti-wind cable of unequal length, guarantees to stride main cable, bridge and the stability of panel of millet.

The ultra-long-distance large-span pedestrian steel cable bridge has the advantages of simple structure, convenient use, modularization and convenient installation, ensures strong load and stability, and has strong practicability and wide applicability.

Drawings

Fig. 1 is a schematic structural view of a deck unit.

Fig. 2 is a schematic structural view of a main cable suspension bridge deck unit.

Fig. 3 is a schematic structural view of the wind resistant cable.

The meaning of the symbols in the drawings is as follows: 1. main cable 2, suspender 3, bridge 4, panel, 5, stiffening beam 6, wind-resistant cable 7, splint 8, U-shaped bolt 9, handrail knot 10, wind-resistant cable.

Detailed Description

The utility model is described in detail below with reference to the drawings and the specific embodiments.

The ultra-long distance large-span pedestrian steel cable bridge consists of a pair of main cables 1, a plurality of suspenders 2, a plurality of bridge deck components, a pair of anti-wind cables 10 and a plurality of anti-wind cables 6.

Two ends of the main cable 1 are fixedly connected with cable towers arranged at two sides of the valley through main cable saddles respectively and transversely extend across the valley. The temperature is selected to be relatively stable, no rain and fog exist, linear adjustment is carried out at night when the wind speed is less than 5 levels, and cables are tightly fastened after stable observation is carried out for 3 days.

Along the length direction of the main cable 1, the cable clamps are arranged at the cable clamp position points at intervals, the top of the suspender 2 is fixed through the cable clamps, preferably, the rod body of the suspender 2 consists of two parts, the bottom is a longitudinal short rod, and the top is an inclined long rod.

The cable clamp consists of a U-shaped bolt 8, a pair of clamping plates 7 and a nut. The middle part of the clamping plate 7 is a semicircular groove, and two ends of the groove are clamping lugs provided with bolt holes; the main rope is clamped by the circular cavity formed by splicing the two semicircular grooves, the arc section of the U-shaped bolt 8 is attached to the outer side face of the clamping plate 7, and the straight line section of the U-shaped bolt 8 penetrates through the bolt hole and the suspender 2 respectively and is locked by nuts at the clamping lug position and the suspender 2 respectively.

The bridge deck assembly comprises a plurality of bridge deck units which are connected in turn at the head positions, and each bridge deck unit consists of a plurality of sections of panels 4 and a pair of bridges 3 with regular hexagons in cross section. Arrangement of regular hexagonal bridges 3: the two sides are longitudinal surfaces, and the top surface and the bottom surface are inclined surfaces; the bridge 3 is fixedly connected with a short rod at the bottom of the suspender 2 on the longitudinal outer side surface of the regular hexagonal bridge 3, so that the bridge 3 is transversely arranged at the bottom of the main rope, and the interval between the bridges 3 is smaller than the interval between the main ropes; as shown in fig. 1, the panel 4 is horizontally arranged between the bridges 3, and two ends of the panel 4 are respectively fixedly connected with the inner inclined surfaces of the tops of the regular hexagons; or the end side surface of the panel 4 is provided with a groove which is matched with the side surface of the bridge 3; or the double-sided board 4 is of a structure, two ends of the bottom panel 4 are fixedly connected with inner inclined planes at the bottom of the regular hexagon respectively, and the double-sided boards 4 are fixed by bolts.

The suspenders 2 are symmetrically arranged at two outer sides of the bridge 3; between the longitudinal short bars at the bottom of the boom 2, a plurality of stiffening girders 5, at least 2, as shown in fig. 1, are fixedly arranged for fixing the boom 2, thereby reinforcing the stability of the panel 4.

The outer side surface of the longitudinal short rod at the bottom of the suspender 2 is fixedly connected with an anti-wind cable 6 which is declined by 45-60 degrees, and the other end of the anti-wind cable 6 is fixedly connected with an anti-wind cable 10 which spans across the two sides of the valley. The wind-resistant inhaul cable 6 is arranged outside the bridge 3. The wind-resistant cable 10 is arc-shaped, the middle section is close to the bridge 3, and the two ends are far away from the bridge 3. The middle part of the suspender 2 (the middle part of the inclined long rod) is provided with a handrail buckle 9 for passing a handrail cable.

When in actual use, the bridge between bridge deck units and the bridge can be provided with shafts along the length direction, and the shafts are used for swinging the bridge when the steel cable bridge swings along with wind.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the utility model in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the utility model.

Claims (6)

1. The ultra-long-distance large-span pedestrian steel cable bridge is characterized by comprising a pair of main cables, wherein two ends of the main cables are fixedly connected with cable towers on two sides of a valley, and a bridge deck component is suspended below the main cables through a plurality of suspenders;

the deck assembly comprises a plurality of deck units,

the bridge deck unit comprises a panel and a pair of bridges with regular hexagonal cross sections,

the bridge is fixedly connected with the bottom of the suspender on the longitudinal outer side surface of the regular hexagon, and the top of the suspender is fixedly connected with the main cable through a cable clamp;

the panel is transversely arranged between the bridges, and two ends of the panel are fixedly connected with the inner inclined surfaces of the tops of the regular hexagons respectively;

the bottom of the suspender is fixedly connected with an anti-wind cable, and the other end of the anti-wind cable is fixedly connected with an anti-wind cable which spans across two sides of the valley.

2. The ultra-long distance large span pedestrian steel cable bridge according to claim 1, wherein the anti-wind cable is declined 45-60 ° on the outside of the bridge.

3. The ultra-long distance large span pedestrian bridge of claim 1 wherein the wind resistant cable is arcuate with the ends of the arc being remote from the bridge.

4. The ultra-long-distance large-span pedestrian steel cable bridge according to claim 1, wherein the suspenders are symmetrically arranged on the outer sides of the pair of bridges, and a plurality of stiffening girders are fixedly arranged between the bottoms of the suspenders.

5. The ultra-long distance large span pedestrian steel cable bridge as in claim 1, wherein the cable clamp comprises a U-bolt and a pair of clamp plates;

the middle part of the clamping plate is a semicircular groove, and two ends of the groove are clamping lugs provided with bolt holes; the groove is used for clamping the main rope, the arc section of the U-shaped bolt is attached to the outer side face of the clamping plate, the straight line section of the U-shaped bolt penetrates through the bolt hole and the hanging rod respectively, and the clamping lug and the hanging rod are locked by nuts respectively.

6. The ultra-long distance large span pedestrian bridge of claim 1 wherein the middle of the boom is provided with a handrail buckle for threading a handrail cable.

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