CN215715431U

CN215715431U - Combined flushing cofferdam

Info

Publication number: CN215715431U
Application number: CN202122083249.1U
Authority: CN
Inventors: 孙雁兵; 王广仓; 高淑玲
Original assignee: Shuifa Maintenance Engineering Shandong Group Co ltd
Current assignee: Shuifa Maintenance Engineering Shandong Group Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-01
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a combined flushing cofferdam, which relates to the technical field of hydraulic engineering and aims to solve the problems that a structure for buffering bottom water flow impact and a structure for fixing a cofferdam at the upper end and the lower end are not arranged in the original cofferdam, and an inserting and sliding installation mode is not used, so that the fixity of the cofferdam structure in water flow is reduced, and the practicability of the cofferdam structure is greatly reduced; the arc plate is arranged at the upper end of the front side of the L-shaped steel groove plate; and the baffle plates are arranged in a hollow groove formed in the middle inner side of the lower positioning groove plate. According to the cofferdam, the arc plate can reinforce the structure at the bottom end of the cofferdam and can effectively relieve structural pressure caused by water flow impact at the lower end of the cofferdam.

Description

Combined flushing cofferdam

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a combined flushing cofferdam.

Background

The cofferdam is a temporary enclosure structure constructed for constructing permanent water conservancy facilities in the water conservancy project construction, wherein the combined flushing cofferdam is used for preventing water and sand from entering the construction position of a building so as to drain water, excavate a foundation pit, construct the building and the like in the cofferdam.

For example, the utility model discloses a cofferdam, which relates to the technical field of hydraulic engineering and solves the problem of weak water impact resistance of the existing earth-rock cofferdam, and the technical scheme is characterized by comprising an outer support frame, an inner support frame arranged in the outer support frame, geotechnical cloth fixed on the inner support frame and the outer support frame, and an earth-rock layer arranged between the inner support frame and the outer support frame; the inner support frame comprises a plurality of inner rings which are arranged along the vertical direction, and a plurality of inner rods which are uniformly distributed around the axis of the inner rings and fixedly connected with the inner rings; the outer support frame comprises a plurality of outer rings arranged in the vertical direction and a plurality of outer rods uniformly distributed around the axis of the outer rings, the diameter of each outer ring is larger than that of each inner ring, the geotextile is cylindrical and wraps the outer side of the outer support frame, and sand and stone are separated in the middle through the two layers of geotextile, so that sand and stone in the middle of the two layers of geotextile are not easily washed away by water in the process of impacting the cofferdam, and the water flow impact resistance of the cofferdam is greatly improved.

When the combination type flushing cofferdam is used, the structure for buffering the water flow impact at the bottom and the structure for fixing the cofferdam at the upper end and the lower end are not installed in the original cofferdam, and in addition, the installation mode of alternation and sliding is not used, so that the cofferdam can not adjust the length and the width at any time along with the requirement of a use field, the fixation of the cofferdam structure in the water flow is reduced, and the practicability of the cofferdam structure is greatly reduced.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a combined flushing cofferdam is provided to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a combined flushing cofferdam, which aims to solve the problems that a structure for buffering bottom water flow impact and a structure for fixing the cofferdam at the upper end and the lower end are not arranged in the original cofferdam, and an installation mode of inserting and sliding is not used, so that the fixation of the cofferdam structure in water flow is reduced, and the practicability of the cofferdam structure is greatly reduced.

The purpose and the efficacy of the combined flushing cofferdam of the utility model are achieved by the following specific technical means:

a combined flushing cofferdam comprises a positioning lower groove plate, wherein the positioning lower groove plate is of a bent plate-shaped U-shaped structure, and an L-shaped steel groove plate is slidably arranged in hollow grooves formed in the inner side and the outer side of the positioning lower groove plate; the arc plate is arranged at the upper end of the front side of the L-shaped steel groove plate; the baffle plates are arranged in a hollow groove formed in the middle inner side of the lower positioning groove plate; the upper positioning groove plate is arranged on the upper side of the baffle plate.

Furthermore, the L-shaped steel channel plate comprises a main screw hole, and the main screw hole is formed in the lower end face of the L-shaped steel channel plate; the connecting rods are correspondingly arranged on the inner sides of the L-shaped steel groove plates; the arc-shaped plate comprises a secondary screw hole, and the secondary screw hole is formed in the end face of the inner side of the arc-shaped plate; the secondary screw hole is formed in the same position as a main screw hole formed in the outer side of the L-shaped steel channel plate, and a screw penetrates through the secondary screw hole and the main screw hole formed in the outer side of the L-shaped steel channel plate; the baffle plate comprises convex connecting blocks which are vertically arranged on the end surface of the outer side of the baffle plate; the upper sliding rod is convexly arranged at the top end of the upper side of the baffle plate; the outer end face of each partition plate is provided with a concave block groove, the concave block grooves and the convex connecting blocks are alternately arranged on the outer end face of each partition plate, the hollow shape of the concave block grooves is consistent with the convex installation shape of the convex connecting blocks, and a pair of partition plates are connected and installed together by correspondingly inserting the convex connecting blocks and the concave block grooves; the positioning upper groove plate comprises a supporting rod, and the top ends of the two positions of the supporting rod are respectively connected with a pair of positioning upper groove plates; the upper sliding rod is slidably mounted on the hollow inner side of the upper positioning groove plate, and the supporting rod connects the upper positioning groove plates and the baffle plates to each other to form a triangular support between the structures.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the cofferdam, the upper end of the arc plate is of the arc-shaped structure, so that the structure at the bottom end of the cofferdam can be reinforced by the installation of the arc plate, meanwhile, the impact of water flow at the bottom of the cofferdam can be blocked by the arc-shaped structure, the structural pressure caused by the impact of the water flow at the lower end of the cofferdam is effectively relieved, and the stability of the cofferdam structure is improved;

2. according to the utility model, because the structure for buffering the impact of the bottom water flow and the structure for fixing the cofferdam at the upper end and the lower end are arranged, and the inserting and sliding installation mode is adopted, the length and the width of the cofferdam can be adjusted at any time according to the requirements of a use place, so that the cofferdam can be conveniently and freely installed for use, the fixation of the cofferdam structure in the water flow can be enhanced, and the practicability of the cofferdam structure is greatly improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of the left front upper axial view of the present invention.

Fig. 2 is a schematic view of the left front lower axial view structure of the present invention.

FIG. 3 is a schematic cross-sectional view of a portion of the structure of the present invention.

Fig. 4 is an axial view of the lower groove plate of the utility model.

Fig. 5 is a partial axial view of the L-steel deck of the present invention.

Fig. 6 is a partial axial view of the arcuate plate of the present invention.

Fig. 7 is a partial axial view of the baffle of the present invention.

Fig. 8 is an axial view of the upper groove plate of the utility model.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. positioning the lower groove plate; 2. l steel channel plates; 201. a main screw hole; 202. a connecting rod; 3. an arc-shaped plate; 301. a secondary screw hole; 4. a baffle plate; 401. a convex connecting block; 402. a sliding rod is arranged; 5. positioning the upper groove plate; 501. a support rod.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through a central medium. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the utility model provides a combined flushing cofferdam which comprises a lower positioning groove plate 1, wherein the lower positioning groove plate 1 is of a bent plate-shaped U-shaped structure, an L-shaped steel groove plate 2 is arranged in hollow grooves formed in the inner side and the outer side of the lower positioning groove plate 1 in a sliding manner, the lower positioning groove plate 1 is a main positioning structure of the cofferdam, and the fixing of the installation position of the cofferdam is realized according to the mutual corresponding installation of the right-angle included angles of the L-shaped steel groove plate 2; the L-shaped steel channel plate 2 comprises a main screw hole 201, and the main screw hole 201 is formed in the lower end face of the L-shaped steel channel plate 2; the connecting rods 202, a group of connecting rods 202 are correspondingly arranged at the inner sides of the L-shaped steel groove plates 2; the installation that can increase positioning lower frid 1 and L steel frid 2 is seted up respectively to the inside and outside both sides of main screw 201 is firm, and the inboard installation of connecting rod 202 makes the installation of L steel frid 2 form the mounting means of slip concatenation, improves the installation effectiveness of cofferdam.

The arc-shaped plate 3 is arranged at the upper end of the front side of the L-shaped steel groove plate 2; the arc plate 3 comprises a secondary screw hole 301, and the secondary screw hole 301 is formed in the end face of the inner side of the arc plate 3; inferior screw 301 set up the position unanimous with the main screw 201 position that 2 outsides of L steel frid were seted up, the screw runs through and installs in the main screw 201 that inferior screw 301 and L steel frid 2 outsides were seted up, the installation of 3 arc shapes of arc is convenient for will alleviate the rivers velocity of flow of bottom, the mounted position that reduces L steel frid 2 and location lower frid 1 is destroyed by water impact, the edge of L steel frid 2 is the corner structure of right angle form, increase cofferdam structural connection's tightness, simultaneously the arc 3 is through the screw fixation of inferior screw 301 and main screw 201, make L steel frid 2 and location lower frid 1's structural installation position more firm.

The baffle plates 4 are arranged in a hollow groove formed in the middle inner side of the lower positioning groove plate 1; the baffle 4 comprises convex connecting blocks 401, and the convex connecting blocks 401 are vertically arranged on the end surface of the outer side of the baffle 4; the upper sliding rod 402 is convexly arranged at the top end of the upper side of the baffle plate 4; the outer end face of the partition plate 4 is provided with concave block grooves, the concave block grooves and the convex connecting blocks 401 are alternately arranged on the outer end face of the partition plate 4, the hollow shape of the concave block grooves is consistent with the shape of the convex connecting blocks 401 in a protruding installation mode, a pair of partition plates 4 are connected and installed together through the mutual corresponding insertion of the convex connecting blocks 401 and the concave block grooves, the corners of the partition plates 4 are installed by specific right-angle bending structures, a group of convex connecting blocks 401 and a group of concave block grooves are installed on two sides of each right-angle bending structure, the convex connecting blocks 401 and the concave block grooves are correspondingly inserted and installed in a penetrating mode, the partition plates 4 can be inserted and adjusted according to the length and the width of a specific installation cofferdam, a group of partition plate 4 structures are installed by a single structure, the cofferdam is convenient to be suitable for various hydraulic buildings, the positioning upper groove plate 5 is installed on the upper side of the partition plates 4, the positioning upper groove plate 5 comprises a support rod 501, the top ends of the two positions of the supporting rod 501 are respectively connected with a pair of positioning upper groove plates 5; go up slide bar 402 slidable mounting and in the hollow inboard of frid 5 in the location, and bracing piece 501 is frid 5 and a set of baffle 4 interconnect in a pair of location, form the triangular supports between the structure, frid 5 in the location is the structure of consolidating the connection and installing fixedly with the upper end of a set of baffle 4, rethread bracing piece 501's connection will fix a position frid 5 and separate and install the structure of right angle triangular supports between the baffle 4, the upper end application triangle-shaped's of messenger's cofferdam stability carries out the link admittedly, improve the practicality of cofferdam.

The specific use mode and function of the embodiment are as follows:

in the using process, firstly, the required length and width of the cofferdam are determined, a group of baffle plates 4 are spliced and inserted into a whole structure through the convex connecting blocks 401 and the concave block grooves, then the positioning lower groove plate 1 is installed on a construction surface, and the positioning lower groove plate 1 enclosed by the four sides determines the position of the mainly installed cofferdam;

after the positioning lower groove plate 1 determines the installation position, the inner side and the outer side of the positioning lower groove plate 1 are mutually clamped and reinforced by a group of L steel groove plates 2 respectively, the L steel groove plates 2 are internally installed and reinforced by connecting rods 202, four corners formed by four positioning lower groove plates 1 are respectively provided with corner structures of right-angle bent L steel groove plates 2 for attaching installation, then four arc plates 3 are correspondingly installed at the upper ends of the outer sides of the four sides of the L steel groove plates 2, and screws are sequentially installed in secondary screw holes 301 and main screw holes 201 in a penetrating manner respectively, so that the installation and fixation of the lower end structure of the cofferdam are completed;

install under the location of lower extreme frid 1, behind L steel frid 2 and the arc 3, the baffle 4 that separates that will alternate in advance is vertical range slidable mounting respectively in the inboard hollow groove placed in the middle of frid 1 under the location, the corner that the baffle 4 is constituteed on four sides alternates the baffle 4 structure that separates of four right-angle forms of installation respectively, again in the baffle 4 that separates the four sides installation in proper order through last slide bar 402 slidable mounting in the frid 5 in the location, and the frid 5 is being fixed the upper and lower both ends that separate baffle 4 each other with the location under 1, carry out interconnect between the frid 5 and by bracing piece 501 in a pair of location, it is fixed to accomplish the installation of cofferdam upper end structure, to this end, accomplish the structural installation of cofferdam.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A combined flushing cofferdam is characterized by comprising a lower positioning groove plate, wherein the lower positioning groove plate is of a bent plate-shaped U-shaped structure, and an L-shaped steel groove plate is slidably arranged in hollow grooves formed in the inner side and the outer side of the lower positioning groove plate;

the arc plate is arranged at the upper end of the front side of the L-shaped steel groove plate; the baffle plates are arranged in a hollow groove formed in the middle inner side of the lower positioning groove plate; the upper positioning groove plate is arranged on the upper side of the baffle plate.

2. The modular flush cofferdam of claim 1 wherein said L-steel deck includes,

the main screw hole is formed in the lower side end face of the L-shaped steel groove plate;

and the group of connecting rods are correspondingly arranged on the inner sides of the pair of L-shaped steel groove plates.

3. The modular flush cofferdam of claim 1 wherein said arcuate panels include,

the secondary screw hole is formed in the end face of the inner side of the arc-shaped plate.

4. The modular flush cofferdam of claim 1 wherein said baffle comprises,

the convex connecting blocks are vertically arranged on the end face of the outer side of the baffle plate;

and the upper sliding rod is convexly arranged at the top end of the upper side of the baffle plate.

5. The modular flush cofferdam of claim 1 wherein said positioning upper channel plate includes,

the top ends of the two positions of the supporting rod are respectively connected with a pair of positioning upper groove plates.

6. The combined flushing cofferdam of claim 3 wherein said secondary screw holes are formed in the same positions as the primary screw holes formed in the outer side of the L-shaped steel channel plate, and screws are installed through the secondary screw holes and the primary screw holes formed in the outer side of the L-shaped steel channel plate.

7. The combined flushing cofferdam of claim 1 wherein the outer end surfaces of said baffles are provided with concave grooves, the concave grooves and the convex blocks are alternately arranged on the outer end surfaces of the baffles, the hollow shape of the concave grooves is the same as the convex shape of the convex blocks, and a pair of baffles are connected together by the corresponding insertion of the convex blocks and the concave grooves.

8. The modular flush cofferdam of claim 4 wherein said upper slide bars are slidably mounted within the hollow interior of said upper positioning channel plates and support bars interconnect a pair of upper positioning channel plates and a set of baffles to form a triangular support between the structures.