Bridge construction cofferdam device

Abstract

The utility model relates to the technical field of cofferdam devices, in particular to a bridge construction cofferdam device which comprises a cofferdam baffle, a cofferdam corner plate abuts against the side face of the cofferdam baffle, limiting blocks are fixedly connected to one side of the cofferdam baffle and one side of the cofferdam corner plate, and limiting grooves are formed in the other side of the cofferdam baffle and the other side of the cofferdam corner plate. A second connecting block is fixedly connected to the side face of the cofferdam baffle, a second connecting hole is formed in the second connecting block, a first connecting block is fixedly connected to the side face of the cofferdam corner plate, a first connecting hole is formed in the first connecting block, and a supporting rod is jointly connected into the first connecting hole and the second connecting hole in a sliding mode. The cofferdam baffles and the cofferdam corner plates are combined with each other, the cofferdam baffles and the cofferdam corner plates are limited through the supporting rods, the stability of the cofferdam baffles and the cofferdam corner plates in the combining process can be improved, and meanwhile the cofferdam baffles and the cofferdam corner plates can be conveniently detached after work is finished.

Description

Technical Field

[0001] The utility model relates to the technical field of cofferdam devices, in particular to a cofferdam device for bridge construction. Background Art

[0002] Patent No. CN213508518U discloses a bridge construction cofferdam device. The utility model has a reasonable structural design, which facilitates the insertion and removal of the fixing piles at the bottom of the cofferdam's enclosure, greatly saves manpower, and further improves the stability of the enclosure fixation.

[0003] However, in the above-mentioned existing bridge construction cofferdam device, when it is necessary to fix the cofferdam body, the double-axis motor is started, and the driving shaft of the double-axis motor rotates to drive the first bevel gear to rotate, and the rotation of the first bevel gear drives the second bevel gear to rotate, and the rotation of the second bevel gear drives the rotating rod to rotate, and the rotation of the rotating rod drives the ground pile to rotate, and the spiral plate on the surface of the ground pile rotates accordingly, making it easier to insert into the ground. Since the size of the cofferdam in the device is fixed, it is difficult to cofferdam locations of various sizes, resulting in a relatively single practicality.

[0004] In order to solve the above problems, the utility model proposes a bridge construction cofferdam device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a bridge construction cofferdam device to solve the technical problem in the prior art that "when the cofferdam body needs to be fixed, the dual-axis motor is started, the driving shaft of the dual-axis motor rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the ground pile to rotate, and the spiral plate on the surface of the ground pile rotates accordingly, making it easier to insert into the underground; since the size of the cofferdam in the device is fixed, it is difficult to cofferdam locations of various sizes, resulting in relatively single practicality."

[0006] To achieve the above purpose, the utility model is implemented through the following technical scheme: it includes a cofferdam baffle, the side of the cofferdam baffle is abutted with a cofferdam angle plate, one side of the cofferdam baffle and the cofferdam angle plate are fixedly connected to a limiting block, the other side of the cofferdam baffle and the cofferdam angle plate are provided with a limiting groove, the side of the cofferdam baffle is fixedly connected to a second connecting block, the second connecting block is provided with a second connecting hole, the side of the cofferdam angle plate is fixedly connected to a first connecting block, the first connecting block is provided with a first connecting hole, the first connecting hole and the second connecting hole are slidably connected with a support rod, both ends of the support rod are respectively provided with threads, the number of second connecting blocks on each cofferdam baffle is set to three, and the number of first connecting blocks on each cofferdam angle plate is set to six.

[0007] As a preferred technical solution of the present utility model, the diameter of the support rod matches the diameter of the first connecting hole, and the diameter of the support rod matches the diameter of the second connecting hole.

[0008] As a preferred technical solution of the utility model, a nut is threadedly connected to the surface of the thread, and one side of the nut abuts against the side surface of the first connecting block.

[0009] As a preferred technical solution of the present utility model, the side surface of the limit block is clamped in the limit groove, and the shape of the limit block matches the shape of the limit groove.

[0010] As a preferred technical solution of the utility model, the length of the cofferdam baffle matches the length of the cofferdam corner plate, and the number of the cofferdam corner plates is set to four.

[0011] As a preferred technical solution of the present utility model, the side surface of the first connecting block abuts against the side surface of the second connecting block, and the shapes of the first connecting block and the second connecting block match.

[0012] The utility model provides a bridge construction cofferdam device, which has the following beneficial effects:

[0013] By combining a plurality of cofferdam baffles and cofferdam angle plates with each other and limiting the cofferdam baffles and cofferdam angle plates by support rods, the stability of the cofferdam baffles and cofferdam angle plates when combined can be improved. At the same time, it is also convenient to disassemble the cofferdam baffles and cofferdam angle plates after the work is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the cofferdam corner plate structure proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the cofferdam baffle structure proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the support rod structure proposed by the utility model.

[0018] In the figure: 1 cofferdam baffle, 2 cofferdam angle plate, 3 first connecting block, 4 second connecting block, 5 support rod, 6 nut, 7 first connecting hole, 8 second connecting hole, 9 limit block, 10 limit groove. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the utility model, rather than implying that each embodiment of the utility model must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0021] The principle and structure of the present invention are described in detail below with reference to the accompanying drawings and embodiments:

[0022] refer to Figure 1-4 A bridge construction cofferdam device comprises a cofferdam baffle 1, the side of the cofferdam baffle 1 is abutted against a cofferdam angle plate 2, one side of the cofferdam baffle 1 and the cofferdam angle plate 2 are fixedly connected to a limiting block 9, the other side of the cofferdam baffle 1 and the cofferdam angle plate 2 are provided with a limiting groove 10, the side of the cofferdam baffle 1 is fixedly connected to a second connecting block 4, the second connecting block 4 is provided with a second connecting hole 8, the side of the cofferdam angle plate 2 is fixedly connected to a first connecting block 3, the first connecting block 3 is provided with a first connecting hole 7, the first connecting hole 7 and the second connecting hole 8 are slidably connected with a support rod 5, both ends of the support rod 5 are respectively provided with threads, the number of the second connecting blocks 4 on each cofferdam baffle 1 is set to three, and the number of the first connecting blocks 3 on each cofferdam angle plate 2 is set to six.

[0023] By providing the cofferdam corner plates 2, the entire device can be enclosed into a rectangle through the transition of the cofferdam corner plates 2.

[0024] Furthermore, the diameter of the support rod 5 matches the diameter of the first connection hole 7 , and the diameter of the support rod 5 matches the diameter of the second connection hole 8 .

[0025] Furthermore, a nut 6 is threadedly connected to the surface of the thread, and one side of the nut 6 abuts against the side surface of the first connecting block 3 .

[0026] By providing the nut 6 , when the nut 6 is tightened onto the thread on the support rod 5 , the cofferdam baffle 1 and the cofferdam angle plate 2 can be pressed together through the first connecting block 3 and the second connecting block 4 .

[0027] Furthermore, the side surface of the limiting block 9 is clamped in the limiting groove 10 , and the shape of the limiting block 9 matches the shape of the limiting groove 10 .

[0028] Furthermore, the length of the cofferdam baffle 1 matches the length of the cofferdam angle plate 2, and the number of the cofferdam angle plates 2 is set to four.

[0029] Furthermore, the side surface of the first connecting block 3 abuts against the side surface of the second connecting block 4 , and the shapes of the first connecting block 3 and the second connecting block 4 match.

[0030] The working principle of the utility model is as follows: first, the staff can select the number of cofferdam baffles 1 according to the size of the work site, so that the size of the cofferdam baffles 1 after combination matches the size of the work site, and then the staff can arrange the cofferdam baffles 1 together, and make a transition through the cofferdam angle plate 2, so that the entire device is surrounded by a rectangle to surround the work site. At the same time, the staff extends the support rod 5 into the first connection hole 7 and the second connection hole 8, and tightens the nut 6 on the support rod 5. The nut 6 can clamp the first connection block 3 and the second connection block 4, and the connection between the cofferdam baffle 1 and the cofferdam angle plate 2 is made tighter through the first connection block 3 and the second connection block 4. At this time, the staff can work in the area surrounded by the cofferdam baffle 1 and the cofferdam angle plate 2;

[0031] Compared with the prior art, the cofferdam baffle 1 and the cofferdam angle plate 2 are limited by the support rod 5, which can improve the stability of the cofferdam baffle 1 and the cofferdam angle plate 2 when they are combined. At the same time, it is also convenient to disassemble the cofferdam baffle 1 and the cofferdam angle plate 2 after the work is completed.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A bridge construction cofferdam device, comprising a cofferdam baffle (1), characterized in that: The side of the cofferdam baffle (1) is abutted against the cofferdam angle plate (2); one side of the cofferdam baffle (1) and the cofferdam angle plate (2) are fixedly connected to a limiting block (9); the other side of the cofferdam baffle (1) and the cofferdam angle plate (2) are provided with a limiting groove (10); the side of the cofferdam baffle (1) is fixedly connected to a second connecting block (4); a second connecting hole (8) is provided in the second connecting block (4); the side of the cofferdam angle plate (2) is fixedly connected to a first connecting block (3); a first connecting hole (7) is provided in the first connecting block (3); a support rod (5) is slidably connected in the first connecting hole (7) and the second connecting hole (8); threads are respectively provided at both ends of the support rod (5); the number of the second connecting blocks (4) on each cofferdam baffle (1) is set to three, and the number of the first connecting blocks (3) on each cofferdam angle plate (2) is set to six.

2. A bridge construction cofferdam device according to claim 1, characterized in that: The diameter of the support rod (5) matches the diameter of the first connection hole (7), and the diameter of the support rod (5) matches the diameter of the second connection hole (8).

3. A bridge construction cofferdam device according to claim 1, characterized in that: A nut (6) is threadedly connected to the surface of the thread, and one side of the nut (6) abuts against the side surface of the first connection block (3).

4. A bridge construction cofferdam device according to claim 1, characterized in that: The side surface of the limiting block (9) is clamped in the limiting groove (10), and the shape of the limiting block (9) matches the shape of the limiting groove (10).

5. A bridge construction cofferdam device according to claim 1, characterized in that: The length of the cofferdam baffle (1) matches the length of the cofferdam angle plate (2), and the number of the cofferdam angle plates (2) is set to four.

6. A bridge construction cofferdam device according to claim 1, characterized in that: The side surface of the first connecting block (3) abuts against the side surface of the second connecting block (4), and the shapes of the first connecting block (3) and the second connecting block (4) match.

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