CN218933171U

CN218933171U - Cofferdam device for water conservancy construction convenient to assemble

Info

Publication number: CN218933171U
Application number: CN202320580311.4U
Authority: CN
Inventors: 于刚; 刘海霞; 王璇
Original assignee: Harbin Gangyu Water Conservancy Engineering Co ltd
Current assignee: Harbin Gangyu Water Conservancy Engineering Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-04-28
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of water conservancy construction, in particular to a cofferdam device for water conservancy construction, which comprises rectangular pipes, foldable water baffles and telescopic drainage pipes, wherein the foldable water baffles are arranged between two rectangular pipes in the same row, and the telescopic drainage pipes are arranged between two rectangular pipes in the same row; the inner cavity of the rectangular pipe is used as a water guide cavity, the lower part of the outer side plate of the rectangular pipe is provided with a plurality of water inlet filtering holes communicated with the water guide cavity, the inner side plate of the rectangular pipe is provided with a plurality of first flange joint pipes along the length direction of the inner side plate of the rectangular pipe, two ends of the telescopic drain pipe are provided with second flange joint pipes, and the second flange joint pipes are in sealing connection with the first flange joint pipes through bolts; an anchor rod is arranged in the rectangular pipe; the transverse length and the longitudinal length of the utility model can be adjusted, and the applicability is good; the telescopic drain pipe is reasonable in layout, and does not occupy more construction space; each part can be assembled fast, and the construction efficiency is guaranteed.

Description

Cofferdam device for water conservancy construction convenient to assemble

Technical Field

The utility model relates to the technical field of water conservancy construction, in particular to a cofferdam device convenient to assemble for water conservancy construction.

Background

Cofferdam is typically used as a temporary containment for construction during water works and serves to prevent water and soil from entering the construction site. The water drainage hole is an important building of water conservancy and hydropower engineering, needs to be detected and maintained regularly, is generally overhauled by adopting a method of cutting off hole water flow at an upstream gate and a downstream gate, but is often in a water passing condition due to poor gate sealing performance and water leakage phenomenon outside the hole, so that the on-site overhauling work is seriously influenced.

For this reason, disclose a cofferdam device for leading water hole overhauls in the patent specification of publication No. CN213867885U, the device includes two breakwaters, and the breakwaters is hollow airtight structure, is equipped with on the breakwaters and fills the drain valve, is equipped with many supporting beams between two breakwaters, and the inner chamber and the inside intercommunication of breakwaters of supporting beam are equipped with the water pipe between two breakwaters, and the water pipe runs through two breakwaters. Water flow in the water diversion tunnel is blocked through water filling expansion of the two water baffles, accumulated water between the two water baffles in the water diversion tunnel is discharged through the water pump, a small overhaul space for accumulated water is formed, overhaul of workers is facilitated, and overhaul efficiency is improved. In the overhaul process, water at the upstream of the cofferdam device is guided to the downstream through the water pipe, so that the thrust of the upstream water to the cofferdam device is reduced, and the cofferdam device is stably maintained at an overhaul position. When the water pipe can not meet the water flowing requirements of the upstream and the downstream, the siphon pipe can be used for assisting in water draining.

However, the cofferdam device for water conservancy construction still has the defects that firstly, the transverse length and the longitudinal length of the cofferdam device are fixed and cannot be adjusted according to the requirements, and the air bags are easy to be impacted and damaged; secondly, the layout of the supporting beams is not reasonable enough, and more construction space is occupied; thirdly, it can not carry out quick assembly, and the efficiency of construction is lower. Therefore, there is a need for an improved and optimized structure.

Disclosure of Invention

The utility model aims to overcome the problems in the prior art and provide a cofferdam device for water conservancy construction, which is convenient to assemble.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

the cofferdam device for water conservancy construction comprises four rectangular pipes, foldable water baffles and telescopic drainage pipes, wherein the foldable water baffles are arranged between two rectangular pipes in the same row, and the telescopic drainage pipes are arranged between two rectangular pipes in the same row; the inner cavity of the rectangular pipe is used as a water guide cavity, a plurality of water inlet filtering holes communicated with the water guide cavity are formed in the lower part of an outer side plate of the rectangular pipe, a plurality of first flange joint pipes are arranged on an inner side plate of the rectangular pipe along the length direction of the inner side plate of the rectangular pipe, second flange joint pipes are arranged at two ends of the telescopic drain pipe, and the second flange joint pipes are in sealing connection with the corresponding first flange joint pipes through bolts; an anchor rod for providing positioning support for the rectangular tube is arranged in the rectangular tube.

Further, in the cofferdam device for water conservancy construction convenient to assemble, the rectangular pipe is a rectangular steel pipe, and the first flange joint pipe is arranged on the rectangular pipe through welding.

Further, in the cofferdam device for water conservancy construction convenient to assemble, the foldable water baffle comprises a plurality of folded plates, two adjacent folded plates are connected through flexible adhesive tapes capable of being bent, and the folded plates at the outermost side are welded and fixed with the side walls of the adjacent rectangular pipes.

Further, in the cofferdam device for water conservancy construction convenient to assemble, the exposed surface of the folded plate is coated with the rubber layer, and the rubber layer and the flexible adhesive tape are of an integrated structure.

Further, in the cofferdam device for water conservancy construction convenient to assemble, the main body of the telescopic drain pipe is a threaded telescopic plastic pipe.

The beneficial effects of the utility model are as follows:

1. the utility model has reasonable structural design, utilizes two rectangular pipes in the same row and a foldable water baffle arranged in the middle to form a water baffle assembly, utilizes two rectangular pipes in the same row and a telescopic water drain pipe arranged in the middle to form a water drain assembly, and has better applicability, and the transverse length of the water baffle assembly and the longitudinal length of the water drain assembly can be adjusted to a certain extent according to requirements; the telescopic drain pipe is reasonable in layout, and does not occupy more construction space; each part can be assembled fast, and the construction efficiency is guaranteed.

2. According to the utility model, two anchoring rods are arranged in the rectangular pipe, one anchoring rod is driven into the foundation of the water diversion tunnel before the rectangular pipe is arranged, and is used as a preset position, and the other anchoring rod is driven into the foundation of the water diversion tunnel after the rectangular pipe is arranged, so that the position of the rectangular pipe is further fixed. The anchor rods of the preset position are distributed near the inner side, and the anchor rods of the further fixation are distributed near the outer side.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the present utility model with the anchor rod omitted;

FIG. 2 is a schematic view of an angle of rectangular tube in accordance with the present utility model;

FIG. 3 is a schematic view of another angle of rectangular tube according to the present utility model;

FIG. 4 is a schematic view of the structure of the collapsible water deflector of the present utility model;

FIG. 5 is a schematic view of the telescopic drain pipe according to the present utility model;

FIG. 6 is a schematic view of the use of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1-rectangular pipe, 2-foldable water baffle, 3-telescopic drain pipe, 4-water inlet filter hole, 5-first flange joint pipe, 6-second flange joint pipe, 7-anchor rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the embodiment is a cofferdam device for water conservancy construction, which is convenient to assemble and comprises a rectangular pipe 1, a foldable water baffle 2 and a telescopic drain pipe 3. Four rectangular pipes 1 are arranged in total, a foldable water baffle 2 is arranged between two rectangular pipes 1 in the same row, and a telescopic drain pipe 3 is arranged between two rectangular pipes 1 in the same row. The rectangular tube 1 is internally fitted with an anchor rod 7 which provides positioning support for it.

In this embodiment, the inner cavity of the rectangular tube 1 is used as the water guiding cavity, the lower part of the outer side plate of the rectangular tube 1 is provided with a plurality of water inlet filtering holes 4 communicated with the water guiding cavity, and the design of the water inlet filtering holes 4 can avoid larger sundries from entering the water guiding cavity.

In this embodiment, the inner side plate of the rectangular pipe 1 is provided with a plurality of first flange joint pipes 5 along the length direction thereof, two ends of the telescopic drain pipe 3 are provided with second flange joint pipes 6, and the second flange joint pipes 6 are in sealing connection with the corresponding first flange joint pipes 5 through bolts.

In this embodiment, the rectangular pipe 1 is a rectangular steel pipe, and the first flange joint pipe 5 is mounted on the rectangular pipe 1 by welding.

In this embodiment, the foldable water baffle 2 includes a plurality of folded plates, two adjacent folded plates are connected through bendable flexible adhesive tapes, and the folded plate at the outermost side is welded and fixed with the side wall of the adjacent rectangular pipe 1. The exposed surface of the folded plate is coated with a rubber layer, and the rubber layer and the flexible adhesive tape are of an integrated structure.

In this embodiment, the main body of the telescopic drain pipe 3 is a threaded telescopic plastic pipe.

In this embodiment, two anchor rods 7 are installed inside each rectangular tube 1, one anchor rod 7 is driven into the foundation of the water diversion tunnel before the rectangular tube 1 is installed, and the other anchor rod 7 is driven into the foundation of the water diversion tunnel after the rectangular tube 1 is installed as a preset position, so as to further fix the position of the rectangular tube 1. As shown in fig. 6, the pre-positioned anchoring bars 7 are distributed close to the inner side, and the further fixed anchoring bars 7 are distributed close to the outer side.

One specific application of this embodiment is: when the diversion tunnel needs to be detected and maintained regularly, a first anchoring rod 7 is driven in advance according to a selected position, a rectangular pipe 1 is sleeved outside the anchoring rod 7, and the transverse unfolding length of the foldable water baffle 2 is adjusted in the installation process to be consistent with the width of the selected position; and then the second anchoring rod 7 is driven in to enable the rectangular pipes 1 to lean against the side wall of the water drainage hole, finally the telescopic drain pipe 3 is installed between the two rectangular pipes 1 in the same row, and the second flange joint pipes 6 at two ends of the telescopic drain pipe 3 are in sealing connection with the corresponding first flange joint pipes 5 through bolts.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Cofferdam device for water conservancy construction convenient to assemble, its characterized in that: the water draining device comprises four rectangular pipes, foldable water baffles and telescopic water draining pipes, wherein the foldable water baffles are arranged between two rectangular pipes in the same row, and the telescopic water draining pipes are arranged between two rectangular pipes in the same row; the inner cavity of the rectangular pipe is used as a water guide cavity, a plurality of water inlet filtering holes communicated with the water guide cavity are formed in the lower part of an outer side plate of the rectangular pipe, a plurality of first flange joint pipes are arranged on an inner side plate of the rectangular pipe along the length direction of the inner side plate of the rectangular pipe, second flange joint pipes are arranged at two ends of the telescopic drain pipe, and the second flange joint pipes are in sealing connection with the corresponding first flange joint pipes through bolts; an anchor rod for providing positioning support for the rectangular tube is arranged in the rectangular tube.

2. The cofferdam device for water conservancy construction convenient to assemble as set forth in claim 1, wherein: the rectangular pipe is a rectangular steel pipe, and the first flange joint pipe is arranged on the rectangular pipe through welding.

3. The cofferdam device for water conservancy construction convenient to assemble as set forth in claim 2, wherein: the foldable water baffle comprises a plurality of folded plates, two adjacent folded plates are connected through a bendable flexible adhesive tape, and the folded plate at the outermost side is welded and fixed with the side wall of the adjacent rectangular pipe.

4. A cofferdam apparatus for water conservancy construction convenient to assemble as claimed in claim 3, wherein: the exposed surface of the folded plate is coated with a rubber layer, and the rubber layer and the flexible adhesive tape are of an integrated structure.

5. The cofferdam device for water conservancy construction convenient to assemble as set forth in claim 1, wherein: the main body of the telescopic drain pipe is a threaded telescopic plastic pipe.