CN216838996U - High-altitude anti-falling system for bridge superstructure construction - Google Patents

Abstract

The utility model discloses a high-altitude anti-falling system for bridge superstructure construction, which comprises an active anti-falling device, wherein the active anti-falling device comprises a safety rope, a safety belt and two vertical rods, and the two vertical rods are fixedly arranged at the two ends of the length direction of a bent cap; the safety cable is arranged between the two upright rods, and two ends of the safety cable are respectively and fixedly connected with the upright rods at two ends; the safety belt is detachably connected with the safety rope through the safety rope, one end of the safety rope is fixedly connected with the safety belt, and the other end of the safety rope is detachably connected with the safety rope and can slide along the safety rope. The utility model discloses an at two vertical fixed pole settings of bent cap top surface to fixed safety rope between the coexistence pole, then connect safety rope and safety belt through the safety rope, constructor can walk about at will in the bent cap top surface after dressing the safety belt, and then conveniently carries out the construction of bent cap, bed stone, guardrail and girder, and overall structure is simple reasonable, can effectively ensure constructor's personal safety.

Description

High-altitude anti-falling system for bridge superstructure construction

Technical Field

The utility model relates to a bridge high altitude construction safety protection technical field especially relates to a bridge superstructure is construction with high altitude anti-falling system.

Background

More than 90% of construction operations are high-altitude construction, but the high-altitude construction has high risk, poor working conditions, many unsafe factors, multiple points and wide range and high prevention difficulty, and constructors generally lack necessary safety knowledge and self-protection consciousness, so that the operation against the regulations is serious, many enterprises can not keep up with the management, measures are not sufficient and the like, so that construction safety accidents frequently occur, and casualties and property loss are serious.

The construction operation of the bridge superstructure is a typical high-altitude construction operation project, and the safety guarantee is very important. However, the construction operation of the existing bridge superstructure is usually performed by setting up a scaffold or a working platform, and generally, fences are erected around the working platform to serve as safety guarantee, but the upper part of the constructed bridge structure (usually, a capping beam part) is spacious and unsupported, and a danger-preventing protection measure cannot be effectively built, so that when construction projects such as chiseling construction, wet joints, expansion joints and the like are performed above the constructed bridge structure, the personal safety of constructors is difficult to guarantee, and very serious potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the problems, the overhead anti-falling system for the bridge superstructure construction is needed to be provided, so that the personal safety of constructors can be effectively guaranteed, and the potential safety hazard of overhead operation of the bridge superstructure can be eliminated.

The utility model discloses a following technical scheme realizes:

a high-altitude anti-falling system for bridge superstructure construction comprises an active anti-falling device, wherein the active anti-falling device comprises a safety rope, a safety belt and two vertical rods, and the two vertical rods are fixedly arranged at two ends of a cover beam in the length direction; the safety cable is arranged between the two upright rods, and two ends of the safety cable are respectively and fixedly connected with the upright rods at two ends; the safety belt is detachably connected with the safety rope through the safety rope, one end of the safety rope is fixedly connected with the safety belt, and the other end of the safety rope is detachably connected with the safety rope and can slide along the safety rope.

In one embodiment, insertion grooves are formed in the top surface of the bent cap at two ends of the bent cap in the length direction, and the vertical rod is detachably inserted into the insertion grooves.

In one embodiment, the plug groove is provided in the width-wise middle position of the capping beam.

In one embodiment, the safety cable is a steel wire rope, the upper part of the vertical rod is provided with a through hole, and the safety cable penetrates through the vertical rod from one side of the through hole and then is fixed to the other side of the through hole through a steel wire rope clamping head.

In one embodiment, the active fall preventing device further comprises a rigid rod, wherein the rigid rod is arranged between the safety rope and the safety rope, one end of the rigid rod is connected with the safety rope in a sliding mode, and the other end of the rigid rod extends to the upper edge, which exceeds the width direction of the cover beam, and is fixedly connected with the safety rope.

In one embodiment, the upper widthwise edge of the lid beam is provided with a wear protection layer.

In one embodiment, the anti-falling device comprises a plurality of cross rods and a safety net, wherein the cross rods are uniformly distributed around the capping beam, one end of each cross rod is fixed on the top surface of the capping beam, and the other end of each cross rod extends out of the capping beam; the safety net is laid and fixed at the other end of the cross rod and covers the area of the cross rod extending out of the cover beam.

In one embodiment, the cross bar is a channel or angle steel.

Compared with the prior art, the technical scheme of the utility model following advantage and beneficial effect have at least:

the utility model discloses an at the vertical two pole settings of fixing of bent cap top surface, and pull between the coexistence pole and establish fixed safety rope, then connect safety rope and safety belt through the safety rope, wherein, safety belt and safety rope fixed connection, safety rope and safety rope sliding connection, constructor can slide along the safety rope through the safety rope after dressing the safety belt, and then can walk at will at the bent cap top surface, conveniently carry out the bent cap, the stone that fills up, the construction of guardrail and girder, overall structure reasonable in design, arrange simply, can effectively ensure constructor's personal safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic three-dimensional structure view of a high-altitude anti-falling system for bridge superstructure construction provided by the embodiment of the utility model;

fig. 2 is a schematic perspective view of another high-altitude anti-falling system for bridge superstructure construction according to an embodiment of the present invention;

FIG. 3 is a front view of the overhead anti-falling system according to the embodiment of the present invention applied to the superstructure of a bridge with a main beam;

FIG. 4 is a side view of the overhead anti-falling system according to the embodiment of the present invention applied to a superstructure of a bridge with a main beam;

fig. 5 is a cross-sectional view of the active anti-falling device provided by the embodiment of the present invention when applied to a bent cap.

An icon: 1-capping beam, 11-inserting groove, 2-active anti-falling device, 21-vertical rod, 22-safety cable, 23-safety rope, 24-safety belt, 25-steel wire rope clip, 26-rigid rod, 27-anti-abrasion edge protection layer, 3-passive anti-falling device, 31-cross rod, 32-safety net and 4-main beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings in the embodiments of the present invention are combined to clearly and completely describe a high-altitude anti-falling system for bridge superstructure construction. The preferred embodiments of the overhead fall arrest system for bridge superstructure construction are shown in the accompanying drawings, however, the overhead fall arrest system for bridge superstructure construction can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete in the context of an overhead fall arrest system for use in bridge superstructure construction.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, when used in reference to a particular orientation or positional relationship, are used for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

In the description of the present invention, it should be further noted that the terms "disposed," "mounted," "connected," and "connected" used herein should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, an embodiment of the present invention provides a high-altitude anti-falling system for bridge superstructure construction, which includes an active anti-falling device 2, where the active anti-falling device 2 includes a safety rope 22, a safety belt 24 and two vertical rods 21, and the two vertical rods 21 are fixedly disposed at two ends of the cap beam 1 in the length direction and used as column supports; the safety cable 22 is arranged between the two upright rods 21, and two ends of the safety cable are respectively and fixedly connected with the upright rods 21 at two ends; the safety belt 24 is detachably connected with the safety rope 22 through the safety rope 23, wherein one end of the safety rope 23 is fixedly connected with the safety belt 24, and the other end of the safety rope 23 is detachably connected with the safety rope 22 and can slide along the safety rope 22; after wearing the safety belt 24, a constructor can walk on the top surface of the bent cap 1 within the interaction range of the safety rope 23 and the safety rope 22 at will, namely move along the length direction of the bent cap 1 within the length range of the safety rope 22 and move along the width direction of the bent cap 1 within the length range of the safety rope 23, so that the construction of the bent cap 1, the cushion stone, the guardrail and the main beam 4 can be conveniently carried out on the top surface of the bent cap 1, and the personal safety of the constructor can be effectively guaranteed.

It should be understood that, in the embodiment, the vertical rod 21 shown in fig. 1 is a vertical rod that is vertically arranged, in other embodiments, the vertical rod 21 may also be a column or the like with a stable structure, which is erected by multiple rods, and the fixed connection and the connection stability of the two ends of the safety rope 22 can be achieved, and the safety rope should also be included in the protection scope of the vertical rod 21.

Further, as shown in fig. 1, the vertical rod 21 may be fixed on the bent cap 1 in an inserting manner, specifically, the top surface of the bent cap 1 is provided with inserting grooves 11 at two ends of the bent cap 1 in the length direction, and the vertical rod 21 is detachably inserted into the inserting grooves 11, so as to realize the fixed arrangement of the vertical rod 21 on the top surface of the bent cap 1. In the present embodiment, the insertion slot 11 is vertically formed on the top surface of the bent cap 1, and the vertical rod 21 is vertically inserted into the insertion slot 11, that is, a stable upright post can be formed by only one vertical rod, so as to achieve the fixed connection of the safety cable 22 and ensure the stability of the connection. It can be understood that the formation of inserting groove 11 can be accomplished through the mould when bent cap 1 pours, simultaneously, can also set up fixed locking device in pole setting 21 lower part, fixed locking device can be the sub-assembly of iron plate and bolted connection spare, fixes iron plate in pole setting 21 lower part through the welded mode, and then fixes at bent cap 1 top through bolted connection's form, can realize the pole setting 21 and insert the fixed after establishing in inserting groove 11, avoids pole setting 21 probably to take place from the condition that the inserting groove 11 breaks away from.

Further, as shown in fig. 1 and 4, the plug-in slot 11 is arranged at the middle position of the width direction of the bent cap 1, so that the uniform stress of the active anti-falling device 2 on the bent cap 1 is realized, and the construction freedom of constructors on the top surface of the bent cap 1 is ensured within the reasonable length range of the safety rope 23; meanwhile, when the main beam 4 is erected on the top surface of the cover beam 1, such as a box beam or a T beam, an expansion joint gap can be reserved between the end parts of the main beam 4, the insertion groove 11 is arranged in the middle of the cover beam 1 in the width direction, so that the upright rod 21 cannot interfere with the erection of the main beam 4, and the construction of a bridge deck structure can be further realized on the top surface of the main beam 4 through the active anti-falling device 2 after the main beam 4 is installed as long as the upright rod 21 is higher than the main beam 4, so that the personal safety of constructors is effectively guaranteed.

Further, as shown in fig. 2 and 3, the safety cable 22 is a steel wire rope, the upper portion of the vertical rod 21 is provided with a through hole, the safety cable 22 passes through the vertical rod 21 from one side of the through hole and then is fixed to the other side of the through hole through the steel wire rope chuck 25, so that the safety cable 22 can be stably fixed on the vertical rod 21.

Further, as shown in fig. 2, the active falling prevention device 2 further includes a rigid rod 26, the rigid rod 26 is disposed between the safety rope 23 and the safety rope 22, one end of the rigid rod 26 is slidably connected to the safety rope 22, and the other end of the rigid rod extends to the upper edge beyond the width direction of the lid beam 1 and is fixedly connected to the safety rope 23. When constructors carry out construction on the side or the bottom of the bent cap 1, such as the disassembly of a formwork at the side edge of the bent cap 1 and the disassembly of a formwork at the bottom of the bent cap 1, the connection between the safety rope 23 and the safety rope 22 is prolonged through the rigid rod 26, and the phenomenon that the safety rope 23 is abraded due to the friction of the safety rope 23 at the edge of the bent cap 1 to influence the operation safety of the constructors is avoided. It will be appreciated that the rigid bar 26 may be made of round steel pipe, channel steel or angle steel, and that the sliding connection of the rigid bar 26 to the safety line 22 and the fixed connection of the rigid bar 26 to the safety line 23 may be achieved by welding latches or ring members at both ends of the rigid bar 26.

Furthermore, as shown in fig. 2, an edge-wear-prevention protective layer 27 is disposed on the upper edge of the capping beam 1 in the width direction, and the edge-wear-prevention protective layer 27 may be made of an iron sheet, so as to protect the edge of the rigid rod 26 and the capping beam 1, and further reduce the two-way wear between the rigid rod 26 and the edge of the capping beam 1.

Further, as shown in fig. 1, 3 and 4, the overhead anti-falling system for bridge superstructure construction provided by the embodiment of the present invention further includes a passive anti-falling device 3, the passive anti-falling device 3 includes a plurality of cross bars 31 and a safety net 32, the cross bars 31 are uniformly distributed around the capping beam 1, one end of the cross bar 31 is fixed on the top surface of the capping beam 1, and the other end of the cross bar 31 extends out of the capping beam 1; a safety net 32 is laid and fixed to the other end of the crossbar 31, covering the area where the crossbar 31 extends out of the capping beam 1. Due to the arrangement of the safety net 32, construction personnel who accidentally fall from the bent cap 1 or the structure above the bent cap 1 can be intercepted, and therefore personal safety guarantee of the construction personnel during high-altitude operation is further enhanced. The fixing manner of the safety net 32 on the cross bar 31 belongs to the prior art, and is not described herein again.

Furthermore, in this embodiment, the cross bar 31 is a channel steel, and the special structure of the channel steel can conveniently and quickly fix the cross bar 31 on the bent cap 1 at the middle of the channel steel. It can be understood that, in other embodiments, the cross bar 31 may also be made of angle steel, and the technical effect that the channel steel can achieve can also be achieved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A high-altitude anti-falling system for bridge superstructure construction is characterized by comprising an active anti-falling device, wherein the active anti-falling device comprises a safety rope, a safety belt and two vertical rods, and the two vertical rods are fixedly arranged at two ends of a cap beam in the length direction; the safety cable is arranged between the two upright rods, and two ends of the safety cable are fixedly connected with the upright rods at two ends respectively; the safety belt is detachably connected with the safety rope through the safety rope, one end of the safety rope is fixedly connected with the safety belt, and the other end of the safety rope is detachably connected with the safety rope and can slide along the safety rope.

2. The overhead anti-falling system for the bridge superstructure construction according to claim 1, wherein insertion grooves are formed in the top surfaces of the bent caps at both ends in the length direction of the bent caps, and the vertical rods are detachably inserted into the insertion grooves.

3. The overhead fall prevention system for bridge superstructure construction according to claim 2, wherein the insertion groove is provided at a widthwise intermediate position of the cap beam.

4. The overhead anti-falling system for the bridge superstructure construction according to claim 1, wherein the safety cable is a steel wire rope, the upper part of the upright rod is provided with a through hole, and the safety cable passes through the upright rod from one side of the through hole and then is fixed to the other side of the through hole through a steel wire rope chuck.

5. The overhead fall preventing system for bridge superstructure construction according to any one of claims 1-4, wherein the active fall preventing device further comprises a rigid rod disposed between the safety rope and the safety rope, one end of the rigid rod is slidably connected to the safety rope, and the other end of the rigid rod extends to the upper edge beyond the width direction of the cap beam and is fixedly connected to the safety rope.

6. The overhead fall prevention system for bridge superstructure construction according to claim 5, wherein the upper edge in the width direction of the cap beam is provided with an anti-wear edge protection layer.

7. The high-altitude anti-falling system for the bridge superstructure construction according to any one of claims 1 to 4, further comprising a passive anti-falling device, wherein the passive anti-falling device comprises a plurality of cross bars and a safety net, the cross bars are uniformly distributed around the capping beam, one end of each cross bar is fixed on the top surface of the capping beam, and the other end of each cross bar extends out of the capping beam; the safety net is laid and fixed at the other end of the cross rod and covers the area of the cross rod extending out of the cover beam.

8. The overhead fall prevention system for bridge superstructure construction according to claim 7, wherein the cross bar is a channel or an angle steel.

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