CN214401846U - Assembled cofferdam device - Google Patents

Abstract

The utility model discloses an assembled cofferdam device, which comprises at least one cofferdam unit, wherein the cofferdam unit comprises a net cage, an outer cladding layer and filler; the cage comprises at least one opening; a first sealing structure for sealing the opening is arranged at the opening; the filler is arranged in the net cage; the outer cladding layer is wrapped on the outer side of the net cage. The utility model has the advantages that: filling filler in the net cage, and wrapping an outer cladding layer outside the net cage to form a cofferdam unit; stacking and assembling a plurality of cofferdam units to form a cofferdam structure; compare traditional heap formula sand and soil bag cofferdam, not only for the river course is administered and is provided dry operation environment, reduced the construction and to environmental pollution, but also reuse has improved turnover rate and efficiency of construction, has reduced construction cost.

Description

Assembled cofferdam device

Technical Field

The utility model relates to a building technical field specifically indicates an assembled cofferdam device.

Background

The inland river cofferdam construction is always a key technology for river channel treatment, and the surrounding site of an inland river in an urban area is narrow and cannot enter large-scale mechanical equipment, so that the requirements on the specification size, the volume and the weight of the cofferdam are strict. At present, the cofferdam in water is usually built by adopting a sand bag cofferdam and arranging a geomembrane covering and a weight on the upstream face. The method has the following defects: (1) the manual bagging speed is slow; (2) the stacking time is limited; (3) the sand bag needs large amount; (4) the water retaining effect is not good; (5) the emergency removal is slow; (6) the pollution to the river channel is serious; (7) the turnover efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems of low construction efficiency, poor water retaining effect, inconvenient turnover, river channel environment pollution and the like of the prior cofferdam device, and provides an assembled cofferdam device which comprises at least one cofferdam unit, wherein the cofferdam unit comprises a net cage, an outer cladding and filler; the cage comprises at least one opening; a first sealing structure for sealing the opening is arranged at the opening; the filler is arranged in the net cage; the outer cladding layer is wrapped on the outer side of the net cage.

Further, the net cage comprises a box body and a box cover; the upper end of the box body is provided with the opening; the first sealing structure is hinged with the box cover at the upper end of the box body. The filling and discharging of the filler are convenient and fast through the net cage formed by matching the box body and the box cover.

Furthermore, the box body is of a box structure formed by splicing a plurality of rectangular net plates.

Further, the outer covering includes at least one rubber layer. The rubber layer has good elasticity, compressive resistance and wearability, and when a plurality of cofferdam devices piled up the concatenation and are whole cofferdam structure, through the rubber layer as the contact surface, can improve whole cofferdam structure's stability, promote the manger plate effect.

Further, the outer cladding is a rubber box; the net cage is arranged in the rubber box.

Furthermore, at least one end face of the rubber box is provided with a mounting opening for mounting the net cage; and a second sealing structure for sealing the mounting opening is arranged on the mounting opening.

Further, the second sealing structure is a zipper, an adhesive tape or a binding rope.

Furthermore, a hoisting piece is arranged on the outer cladding layer.

Further, the hoisting piece is a bottom rope. The bottom rope is arranged on the outer cladding layer, so that the hoisting is more convenient, and the net cage and the outer cladding layer are not easy to deform during hoisting.

Further, the filler is crushed stone or pebbles.

The utility model has the advantages that: filling filler in the net cage, and wrapping an outer cladding layer outside the net cage to form a cofferdam unit; stacking and assembling a plurality of cofferdam units to form a cofferdam structure; compare traditional heap formula sand and soil bag cofferdam, not only for the river course is administered and is provided dry operation environment, reduced the construction and to environmental pollution, but also reuse has improved turnover rate and efficiency of construction, has reduced construction cost.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the assembled cofferdam device of the present invention.

Fig. 2 is an enlarged schematic structural diagram of one cofferdam unit in fig. 1.

Fig. 3 is a schematic perspective view of the net cage in the outer layer of fig. 2.

Fig. 4 is a partially enlarged schematic structural view of the net cage in fig. 3.

In the figure:

1-cofferdam unit;

1.1-net cage; 1.1.1-box body; 1.1.1.1-side plate; 1.1.1.2-binding steel wires; 1.1.2-case cover;

1.2-outer cladding; 1.2.1-mounting port; 1.2.2-a second seal configuration;

1.3-bottom rope.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

The assembled cofferdam device shown in fig. 1-4 comprises at least one cofferdam unit 1, wherein the cofferdam unit 1 comprises a net cage 1.1, an outer cladding 1.2 and filler; the net cage 1.1 comprises at least one opening; a first sealing structure for sealing the opening is arranged at the opening; the filler is arranged in the net cage 1.1; the outer cladding layer 1.2 is wrapped outside the net cage 1.1. The net cage 1.1 is made of materials with light weight, high strength and difficult deformation, such as steel wires; the outer cladding 1.2 is corrosion resistant and not prone to rusting.

Referring to fig. 3, the net cage 1.1 of the present embodiment includes a box body 1.1.1 and a box cover 1.1.2; the upper end of the box body 1.1.1 is provided with an opening; the first sealing structure is a box cover 1.1.2 hinged with the upper end of the box body 1.1.1. The connection of the case cover 1.1.2 and the case body 1.1.1 can adopt a simple fixing mode, for example, the limit after the steel wire is bent realizes the locking or unlocking of the case cover 1.1.2. Or, in order to improve the construction efficiency, the case cover 1.1.2 and the case body 1.1.1 can only adopt a hinged mode, and the case cover 1.1.2 is ensured to be in a locking or closing state through the outer cladding layer 1.2.

Referring to fig. 4, the box body 1.1.1 is a box structure formed by splicing a plurality of rectangular net plates. In this embodiment, the box 1.1.1 includes four vertical screens as the side plates 1.1.1.1 of the box 1.1.1, and also includes a horizontal screen as the bottom plate of the box 1.1.1; the side plate 1.1.1.1 and the side plate 1.1.1.1 are wound and fixed through the binding steel wire 1.1.1.2, and the side plate 1.1.1 and the bottom plate are also fixed by welding.

The outer cover 1.2 may be one or more rubber layers wrapped around the net cage 1.1. The outer cladding layer 1.2 and the net cage 1.1 can be detachably connected, and the outer cladding layer 1.2 and the net cage 1.1 can also be fixedly connected. Namely, the outer cladding layer 1.2 and the net cage 1.1 can be of a split structure or an integral structure. In this embodiment, the preferable outer cladding layer 1.2 and the net cage 1.1 are of a split structure, and the preferable outer cladding layer 1.2 is a rubber box; the net cage 1.1 is arranged in the rubber box. The rubber box is a box-type structure made of rubber materials, the size of the rubber box is slightly larger than that of the net cage 1.1, and the rubber box can accommodate the net cage 1.1.

At least one end face of the rubber box is provided with a mounting opening 1.2.1 for mounting the net cage 1.1; the mounting opening 1.2.1 is provided with a second sealing structure 1.2.2 for sealing the mounting opening 1.2.1. In this embodiment, the upper end of the rubber box is provided with a mounting opening 1.2.1, the net cage 1.1 is placed into the rubber box through the mounting opening 1.2.1, the second sealing structure 1.2.2 for sealing the mounting opening 1.2.1 can be a zipper, an adhesive tape, a binding rope or other sealing structures, and in this embodiment, the second sealing structure 1.2.2 is preferably an adhesive tape. In fact, the second sealing structure 1.2.2 may not be arranged at the mounting opening 1.2.1 of the rubber box, which is more beneficial to improving the construction efficiency, and since the rubber box and the net cage 1.1 are regular cubes with consistent shapes and have small size difference, the net cage 1.1 is difficult to drop from the mounting opening 1.2.1. Of course, if the side surface or the bottom of the rubber box is provided with the mounting opening 1.2.1, the second sealing structure 1.2.2 needs to be arranged at the mounting opening 1.2.1. In addition, the volume of the rubber box can be integral multiple of the volume of the net cage 1.1, and a plurality of net cages 1.1 can be placed in one rubber box.

In order to facilitate the hoisting of the cofferdam unit 1, a hoisting piece is arranged on the outer cladding layer 1.2. The sling can be a lifting ring or a lifting rope, and referring to fig. 2, the sling in the embodiment is a bottom rope 1.3. The middle part of the pocket bottom rope 1.3 is positioned at the lower end of the outer cladding layer 1.2 and is fixed with the lower end of the outer cladding layer 1.2, and the two ends of the pocket bottom rope 1.3 are closed annular ends and are used for being connected with hoisting equipment.

The filling material in the net cage 1.1 is preferably crushed stone or pebble, but may be filling material of other materials, such as sand, bagged sand and soil, etc.

The method for constructing the riverway cofferdam by using the cofferdam device of the embodiment comprises the following steps:

s1, manufacturing a cofferdam unit 1 of the embodiment; specifically, the filler is filled in the net cage 1.1, the net cage 1.1 filled with the filler is placed in the outer cladding 1.2, and the second sealing structure 1.2.2 seals the mounting opening 1.2.1 on the outer cladding 1.2, so that the cofferdam unit 1 is assembled for later use.

S2, positioning, measuring and paying off the cofferdam; and determining the best point of the cofferdam according to the early exploration, and carrying out field measurement and setting out.

S3, hoisting a cofferdam device; hoisting the cofferdam units 1 assembled in the step S1 to the position where cofferdams are to be set, specifically, after the water level of the position where the cofferdams are to be set in the river is lowered, hoisting the assembled cofferdam units 1 to the position where cofferdams are to be set one by one in sequence by using a small excavator, and manually assembling the assembled cofferdam units in order; if the two sides of the river channel are inclined revetments, gaps between the cofferdam units 1 and the revetments are plugged by sand bags after the cofferdam units are stacked.

S4, conducting flow guiding construction; in order to prevent the cutoff of downstream river water during the construction of the riverway cofferdam, each cofferdam section is provided with two guide pipes, the guide pipes are arranged at the height of the upper normal water level, and a steel pipe support frame is arranged below the guide pipes for ensuring the integrity of the guide pipes.

And S5, removing the cofferdam device. After the river channel construction is completed, the cofferdam units 1 are lifted one by one to other parts for turnover use through the excavator.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that a person skilled in the art should also recognize that several modifications and decorations can be made without departing from the principle of the present invention, and the protection scope of the present invention is also covered.

Claims (10)

1. An assembled cofferdam device which characterized in that: the cofferdam unit comprises a net cage, an outer covering layer and filler; the cage comprises at least one opening; a first sealing structure for sealing the opening is arranged at the opening; the filler is arranged in the net cage; the outer cladding layer is wrapped on the outer side of the net cage.

2. An assembled cofferdam device according to claim 1, characterized in that: the net cage comprises a box body and a box cover; the upper end of the box body is provided with the opening; the first sealing structure is hinged with the box cover at the upper end of the box body.

3. An assembled cofferdam device according to claim 2, characterized in that: the box body is of a box structure formed by splicing a plurality of rectangular net plates.

4. An assembled cofferdam device according to claim 1, characterized in that: the outer cladding comprises at least one rubber layer.

5. An assembled cofferdam device according to claim 1, characterized in that: the outer cladding layer is a rubber box; the net cage is arranged in the rubber box.

6. An assembled cofferdam apparatus according to claim 5, characterized in that: at least one end face of the rubber box is provided with a mounting opening for mounting the net cage; and a second sealing structure for sealing the mounting opening is arranged on the mounting opening.

7. An assembled cofferdam apparatus according to claim 6, characterized in that: the second sealing structure is a zipper, an adhesive tape or a binding rope.

8. An assembled cofferdam device according to claim 4 or 5, characterized in that: and a hoisting piece is arranged on the outer cladding layer.

9. An assembled cofferdam apparatus according to claim 8, wherein: the hoisting piece is a bottom rope.

10. An assembled cofferdam device according to claim 1, characterized in that: the filler is broken stones or pebbles.

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