Cofferdam structure of pebble bed guide hole steel sheet pile

Abstract

The utility model discloses a pebble bed guide hole steel sheet pile cofferdam structure, which relates to the technical field of steel sheet pile cofferdams and comprises a first main plate pile, a second main plate pile, two groups of first side plate piles and two groups of second side plate piles, a splicing connecting rod is arranged between the first side plate piles and the second side plate piles, the upper end of the splicing connecting rod is fixedly connected with an upper baffle, and the lower end of the splicing connecting rod is fixedly connected with a lower baffle. A first connecting vertical rod and a second connecting vertical rod are fixedly connected to the middle positions of the inner side faces of the first main plate pile and the second main plate pile correspondingly, and a first connecting vertical groove and a second connecting vertical groove are formed in the middle positions of the outer sides of the first main plate pile and the second main plate pile correspondingly. The steel sheet pile cofferdam structure has the advantages that the function of splitting and stacking the steel sheet pile cofferdam structure is achieved, the occupied space of the steel sheet pile cofferdam structure is reduced, the steel sheet pile cofferdam structure can be conveniently stored, carried and carried, the steel sheet pile cofferdam structure can be prevented from being bent when being impacted by water flow, and the service life of the steel sheet pile cofferdam structure is prolonged. And the pressure-bearing performance of the steel sheet pile cofferdam structure can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel sheet pile cofferdams, and particularly relates to a steel sheet pile cofferdam structure with a hole-drilling guide in a pebble layer. Background Art

[0002] A steel sheet pile cofferdam structure with a hole-drilling guide in a pebble layer is a temporary underwater construction structure applied under complex geological conditions, especially in a pebble layer. This cofferdam structure combines the hole-drilling guide technology and the steel sheet pile cofferdam to overcome the difficulties of traditional steel sheet pile construction in the pebble layer, ensuring the dryness and safety of the underwater construction area, and is widely used in fields such as bridge construction, port engineering, and water conservancy projects.

[0003] After retrieval, the patent number CN219671400U discloses a steel sheet pile cofferdam structure, which can not only stably support the steel frame through the support frame, fixed column and insertion rod, improving the support effect of the device, but also increase the bearing capacity of the bottom side of the enclosure panel through the support component, improving the use effect of the device, and can also make the support frame support the steel frame more firmly through the limit bolt, improving the fixing effect of the device. However, when the existing steel sheet pile cofferdam structure with a hole-drilling guide in a pebble layer is demolished, several groups of steel sheet piles stacked together are prone to be scattered from each other due to external forces, which is inconvenient for their storage and handling. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a steel sheet pile cofferdam structure with a hole-drilling guide in a pebble layer. When the existing steel sheet pile cofferdam structure with a hole-drilling guide in a pebble layer is demolished, several groups of steel sheet piles stacked together are prone to be scattered from each other due to external forces, which is inconvenient for their storage and handling.

[0005] To solve the above technical problems, the technical solution of the utility model is a steel sheet pile cofferdam structure with a hole-drilling guide in a pebble layer, including a first main sheet pile and a second main sheet pile, and also including two groups of first side sheet piles and two groups of second side sheet piles. A splicing connecting rod is arranged between the first side sheet pile and the second side sheet pile. The upper end of the splicing connecting rod is fixedly connected with an upper baffle. The middle positions of the inner sides of the first main sheet pile and the second main sheet pile are respectively fixedly connected with a first connecting vertical rod and a second connecting vertical rod, and the middle positions of the outer sides of the first main sheet pile and the second main sheet pile are respectively provided with a first connecting vertical groove and a second connecting vertical groove.

[0006] As a further scheme of the utility model: the two groups of first side sheet piles are respectively fixedly connected to both sides of the first main sheet pile, and first splicing chutes are provided on the opposite sides of the two groups of first side sheet piles. The two groups of second side sheet piles are respectively fixedly connected to both sides of the second main sheet pile, and second splicing chutes are provided on the opposite sides of the two groups of second side sheet piles.

[0007] As a further solution of the utility model: the cross-sectional shape of the splicing connecting rod is arranged in an I shape, and the first side sheet pile and the second side sheet pile are respectively slidably connected with the splicing connecting rod through a first splicing chute and a second splicing chute.

[0008] As a further solution of the utility model: the cross-sectional shapes of the first connecting vertical rod and the second connecting vertical rod are both arranged in a T shape, the second connecting vertical rod fits with the first connecting vertical groove, and the first connecting vertical rod fits with the second connecting vertical groove.

[0009] As a further solution of the utility model: a first reinforcing rod is arranged on the upper side of the first main sheet pile, a plurality of groups of first clamping rods are fixedly connected to the lower surface of the first reinforcing rod, a second reinforcing rod is arranged on the upper side of the second main sheet pile, a plurality of groups of second clamping rods are fixedly connected to the lower surface of the second reinforcing rod, and a first resisting baffle and a second resisting baffle are respectively arranged above the first side sheet pile and the second side sheet pile.

[0010] As a further solution of the utility model: two groups of first vertical card slots are formed in the first main sheet pile, two groups of second vertical card slots are formed in the second main sheet pile, and the first clamping rod and the second clamping rod are respectively located inside the first vertical card slot and the second vertical card slot.

[0011] As a further solution of the utility model: the lower surfaces of the first resisting baffle and the second resisting baffle are respectively fixedly connected with a first movable rod and a second movable rod, and the first movable rod and the second movable rod are respectively rotatably connected with the first side sheet pile and the second side sheet pile.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the cooperation of the splicing connecting rod on the upper baffle with the first splicing chute and the second splicing chute, the first side sheet pile and the second side sheet pile are separated. Then, through the cooperation of the second connecting vertical rod and the first connecting vertical groove, the second main sheet pile and the first main sheet pile are connected. Then, through the cooperation of the first connecting vertical rod and the second connecting vertical groove, another first main sheet pile and the second main sheet pile are connected, realizing the splitting and stacking function of the steel sheet pile cofferdam structure, reducing the occupied space of the steel sheet pile cofferdam structure, so as to facilitate its storage and transportation.

[0014] Through the cooperation of the first clamping rod and the first vertical clamping groove, the first reinforcing rod is placed on the upper side of several groups of first main sheet piles. Then, through the cooperation of the second clamping rod and the second vertical clamping groove, the second reinforcing rod is placed on the upper side of several groups of main sheet piles. Next, through the first movable rod and the second movable rod, the first baffle and the second baffle are respectively rotated to the upper sides of the first reinforcing rod and the second reinforcing rod to fix the positions of the first reinforcing rod and the second reinforcing rod, which can prevent the steel sheet pile cofferdam structure from bending when impacted by water flow and help improve the pressure-bearing performance of the steel sheet pile cofferdam structure. Brief Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of a pebble layer pre-bored steel sheet pile cofferdam structure in an embodiment of the present invention;

[0016] Figure 2 It is a schematic diagram of the connection structure between the first side sheet pile and the second side sheet pile in an embodiment of the present invention;

[0017] Figure 3 It is a schematic diagram of the connection structure between the first reinforcing rod and the second reinforcing rod in an embodiment of the present invention;

[0018] Figure 4 It is a top view of a pebble layer pre-bored steel sheet pile cofferdam structure in an embodiment of the present invention.

[0019] In the figure: 1. First main sheet pile; 2. Second main sheet pile; 3. First side sheet pile; 4. Second side sheet pile; 5. First splicing chute; 6. Second splicing chute; 7. Upper baffle; 8. Splicing connecting rod; 9. First connecting vertical rod; 10. First connecting vertical groove; 11. Second connecting vertical rod; 12. Second connecting vertical groove; 13. First reinforcing rod; 14. First clamping rod; 15. First vertical clamping groove; 16. Second reinforcing rod; 17. Second clamping rod; 18. Second vertical clamping groove; 19. First movable rod; 20. First baffle; 21. Second movable rod; 22. Second baffle. Detailed Embodiment

[0020] The following further describes the detailed embodiments of the present invention with reference to the drawings. It should be noted here that the description of these embodiments is for helping to understand the present invention, but does not constitute a limitation to the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] Embodiment 1, please refer to Figures 1 - 4, A pebble layer pilot hole steel sheet pile cofferdam structure, including a first main sheet pile 1 and a second main sheet pile 2, further including two groups of first side sheet piles 3 and two groups of second side sheet piles 4. A splicing connecting rod 8 is arranged between the first side sheet pile 3 and the second side sheet pile 4. The upper end of the splicing connecting rod 8 is fixedly connected with an upper baffle 7. The middle positions of the inner sides of the first main sheet pile 1 and the second main sheet pile 2 are respectively fixedly connected with a first connecting vertical rod 9 and a second connecting vertical rod 11, and the middle positions of the outer sides of the first main sheet pile 1 and the second main sheet pile 2 are respectively provided with a first connecting vertical groove 10 and a second connecting vertical groove 12.

[0022] The two groups of first side sheet piles 3 are respectively fixedly connected to both sides of the first main sheet pile 1. The opposite sides of the two groups of first side sheet piles 3 are both provided with first splicing sliding grooves 5. The two groups of second side sheet piles 4 are respectively fixedly connected to both sides of the second main sheet pile 2. The opposite sides of the two groups of second side sheet piles 4 are both provided with second splicing sliding grooves 6. The cross-sectional shape of the splicing connecting rod 8 is arranged in an I-shaped manner. The first side sheet pile 3 and the second side sheet pile 4 are respectively slidably connected with the splicing connecting rod 8 through the first splicing sliding groove 5 and the second splicing sliding groove 6.

[0023] In this embodiment, the splicing connecting rod 8 is matched with the first splicing sliding groove 5 and the second splicing sliding groove 6 so that the first side sheet pile 3 and the second side sheet pile 4 are connected.

[0024] The cross-sectional shapes of the first connecting vertical rod 9 and the second connecting vertical rod 11 are both arranged in a T-shaped manner. The second connecting vertical rod 11 fits with the first connecting vertical groove 10, and the first connecting vertical rod 9 fits with the second connecting vertical groove 12.

[0025] In this embodiment, the first connecting vertical rod 9 and the second connecting vertical groove 12 are matched with the second connecting vertical rod 11 and the first connecting vertical groove 10 so that several groups of first main sheet piles 1 and several groups of second main sheet piles 2 are stacked staggered.

[0026] Specifically, through the splicing connecting rod 8 on the upper baffle 7 cooperating with the first splicing sliding groove 5 and the second splicing sliding groove 6, the first side sheet pile 3 and the second side sheet pile 4 are separated. Then, through the cooperation of the second connecting vertical rod 11 and the first connecting vertical groove 10, the second main sheet pile 2 and the first main sheet pile 1 are connected. Then, through the cooperation of the first connecting vertical rod 9 and the second connecting vertical groove 12, another first main sheet pile 1 and the second main sheet pile 2 are connected, realizing the splitting and stacking function of the steel sheet pile cofferdam structure, reducing the occupied space of the steel sheet pile cofferdam structure, so as to facilitate its storage and transportation.

[0027] Example 2, please refer to Figures 1 - 4, a pebble layer pilot hole steel sheet pile cofferdam structure. A first reinforcing rod 13 is arranged on the upper side of the first main sheet pile 1. A plurality of groups of first clamping rods 14 are fixedly connected to the lower surface of the first reinforcing rod 13. A second reinforcing rod 16 is arranged on the upper side of the second main sheet pile 2. A plurality of groups of second clamping rods 17 are fixedly connected to the lower surface of the second reinforcing rod 16. A first baffle 20 and a second baffle 22 are respectively arranged above the first side sheet pile 3 and the second side sheet pile 4.

[0028] Two groups of first vertical card slots 15 are opened on the first main sheet pile 1. Two groups of second vertical card slots 18 are opened on the second main sheet pile 2. And the first clamping rod 14 and the second clamping rod 17 are respectively located inside the first vertical card slot 15 and the second vertical card slot 18.

[0029] In this embodiment, the first clamping rod 14 and the first vertical card slot 15 cooperate with the second clamping rod 17 and the second vertical card slot 18 for the installation and use of the first reinforcing rod 13 and the second reinforcing rod 16.

[0030] First movable rods 19 and second movable rods 21 are respectively fixedly connected to the lower surfaces of the first baffle 20 and the second baffle 22. And the first movable rods 19 and the second movable rods 21 are respectively rotatably connected to the first side sheet pile 3 and the second side sheet pile 4.

[0031] In this embodiment, the first movable rod and the second movable rod are used to rotate the first baffle and the second baffle to the upper sides of the first reinforcing rod 13 and the second reinforcing rod 16 respectively.

[0032] Specifically, through the cooperation of the first clamping rod 14 and the first vertical card slot 15, the first reinforcing rod 13 is placed on the upper sides of a plurality of groups of first main sheet piles 1. Then, through the cooperation of the second clamping rod 17 and the second vertical card slot 18, the second reinforcing rod 16 is placed on the upper sides of a plurality of groups of main sheet piles. Then, through the first movable rod 19 and the second movable rod 21, the first baffle 20 and the second baffle 22 are respectively rotated to the upper sides of the first reinforcing rod 13 and the second reinforcing rod 16 to fix the positions of the first reinforcing rod 13 and the second reinforcing rod 16, which can prevent the steel sheet pile cofferdam structure from bending when being impacted by water flow and help improve the pressure-bearing performance of the steel sheet pile cofferdam structure.

[0033] The above has described in detail the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, substitutions and variations to these embodiments still fall within the protection scope of the present invention.

Claims

1. A pebble layer hole steel sheet pile cofferdam structure, comprising a first main plate pile (1) and a second main plate pile (2), characterized in that: It also comprises two groups of first side sheet piles (3) and two groups of second side sheet piles (4), a splicing connecting rod (8) is arranged between the first side sheet pile (3) and the second side sheet pile (4), the upper end of the splicing connecting rod (8) is fixedly connected to an upper baffle (7), the first main sheet pile (1) and the second main sheet pile (2) are respectively fixedly connected to the middle position of the inner side surface with a first connecting vertical rod (9) and a second connecting vertical rod (11), and the first main sheet pile (1) and the second main sheet pile (2) are respectively provided with a first connecting vertical groove (10) and a second connecting vertical groove (12) at the middle position of the outer side.

2. The pebble layer hole steel sheet pile cofferdam structure according to claim 1, characterized in that: Two groups of the first side sheet piles (3) are respectively fixedly connected to the two sides of the first main sheet pile (1), and the back-to-back sides of the two groups of the first side sheet piles (3) are both provided with a first splicing slide groove (5). Two groups of the second side sheet piles (4) are respectively fixedly connected to the two sides of the second main sheet pile (2), and the back-to-back sides of the two groups of the second side sheet piles (4) are both provided with a second splicing slide groove (6).

3. A pebble layer hole steel sheet pile cofferdam structure according to claim 2, characterized in that: The cross-sectional shape of the splicing connecting rod (8) is arranged in an I-shaped configuration, and the first side sheet pile (3) and the second side sheet pile (4) are slidably connected to the splicing connecting rod (8) via a first splicing sliding groove (5) and a second splicing sliding groove (6), respectively.

4. The pebble layer hole steel sheet pile cofferdam structure according to claim 1, characterized in that: The cross-sectional shapes of the first connecting vertical rod (9) and the second connecting vertical rod (11) are both T-shaped, the second connecting vertical rod (11) fits in with the first connecting vertical groove (10), and the first connecting vertical rod (9) fits in with the second connecting vertical groove (12).

5. The pebble layer hole steel sheet pile cofferdam structure according to claim 1, characterized in that: A first reinforcing rod (13) is arranged on the upper side of the first main sheet pile (1), and a plurality of first clamping rods (14) are fixedly connected to the lower surface of the first reinforcing rod (13); a second reinforcing rod (16) is arranged on the upper side of the second main sheet pile (2), and a plurality of second clamping rods (17) are fixedly connected to the lower surface of the second reinforcing rod (16); a first retaining plate (20) and a second retaining plate (22) are respectively arranged above the first side sheet pile (3) and the second side sheet pile (4).

6. The pebble layer hole steel sheet pile cofferdam structure according to claim 5, characterized in that: The first main board pile (1) is provided with two groups of first vertical slots (15), the second main board pile (2) is provided with two groups of second vertical slots (18), and the first clamping rod (14) and the second clamping rod (17) are respectively located on the inner sides of the first vertical slots (15) and the second vertical slots (18).

7. The pebble layer hole steel sheet pile cofferdam structure according to claim 5, characterized in that: The lower surfaces of the first retaining plate (20) and the second retaining plate (22) are respectively fixedly connected with a first movable rod (19) and a second movable rod (21), and the first movable rod (19) and the second movable rod (21) are respectively rotatably connected with the first side sheet pile (3) and the second side sheet pile (4).

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