Inserting and driving device for cofferdam steel sheet piles

By designing the insertion and driving device of cofferdam steel sheet piles, using fixed rails, folding structures, limiting structures and resisting structures, the problem of easy deflection of steel sheet piles during insertion and driving is solved, and a higher quality cofferdam construction is achieved.

CN120099959APending Publication Date: 2025-06-06CHINA STATE CONSTR HARBOR CONSTR
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Patent Information

Application Number
CN202510537859.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2025-06-06

AI Technical Summary

Technical Problem

During the construction of existing cofferdams, steel sheet piles are easily deviated by external forces during the insertion and driving process, affecting the quality of the cofferdam.

Method used

A cofferdam steel sheet pile insertion device is designed, including fixed rails, folding structures, limiting structures and recessing structures. Through the cooperation of these structures, the steel sheet piles can be limited during insertion and deflection can be avoided.

Benefits of technology

The deviation of steel sheet piles during the insertion and driving process is effectively avoided, the mass and stability of the cofferdam is improved, and the instability of the device when vibration is reduced through the arrangement of the spring.

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Abstract

An inserting and driving device for cofferdam steel sheet piles belongs to the technical field of cofferdams and comprises a fixed rail, four first fastening bolts are fixedly mounted on the outer surface of the fixed rail and can be fixed to a support, a turnover structure is slidably mounted in the fixed rail, a limiting structure is arranged on one side of the turnover structure, and the limiting structure is arranged on the other side of the turnover structure. An abutting structure is arranged in the limiting structure; a first rotating handle is rotated, a first threaded rod rotates and is separated from a fixed rail, at the moment, a sliding block can move in the fixed rail, after the inserting and driving position is determined, an L-shaped rod is turned over to move to the state perpendicular to a support, at the moment, a steel sheet pile is hoisted into a first connecting plate and a second connecting plate, and at the moment, a second rotating handle is rotated, so that the inserting and driving position is fixed. And due to limiting of limiting rods on the two sides, a mounting plate can drive a rubber roller to move forwards, and therefore the rubber roller can abut against the steel sheet pile, and in the subsequent inserting and driving process, the steel sheet pile can be limited, and the deviation phenomenon is avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of cofferdams, in particular to a driving device for cofferdam steel sheet piles. Background Art

[0002] A cofferdam is a temporary retaining structure built for permanent water conservancy facilities in water conservancy project construction. Its function is to prevent water and soil from entering the construction site of the building so that drainage can be done in the cofferdam, foundation pits can be excavated, and buildings can be built. It is generally used in hydraulic structures. Except as part of a formal building, the cofferdam is generally dismantled after use. The height of the cofferdam is higher than the highest water level that may occur during the construction period.

[0003] In the existing cofferdam construction, when the steel sheet piles are driven in, the existing technology is to lift the steel sheet piles to the support by a crane so that they are in contact with one side of the support, and then use an impact hammer to drive them in. However, in this process, there is a lack of a limiting structure for the steel sheet piles, which makes the steel sheet piles susceptible to external forces and produce displacement during driving, affecting the quality of the subsequent cofferdam. Based on the shortcomings of the existing technology, the present invention designs a driving device for cofferdam steel sheet piles. Summary of the invention

[0004] The present invention provides a device for inserting and driving cofferdam steel sheet piles, which has the advantages of limiting the position of the steel sheet piles during insertion and avoiding deviation, and solves the problems mentioned in the above background technology.

[0005] The present invention provides the following technical solutions: a device for inserting and driving cofferdam steel sheet piles comprises a fixed rail, four first fastening bolts are fixedly installed on the outer surface of the fixed rail, the four first fastening bolts can be fixed to the support, a folding structure is slidably installed inside the fixed rail, a limiting structure is arranged on one side of the folding structure, and a resisting structure is arranged inside the limiting structure; the folding structure comprises a slider, a roller is rotatably installed inside the slider, two first hinged seats are fixedly installed on one side of the outer surface of the slider, an L-shaped rod is hingedly installed inside the two first hinged seats, a fixed seat is fixedly installed on one side of the L-shaped rod, a first threaded rod is rotatably installed inside the fixed seat, a first handle is fixedly installed on one end of the first threaded rod, and two groups of second fastening bolts are fixedly installed on one side of the L-shaped rod; the limiting structure comprises a first connecting plate and a second connecting plate, the first connecting plate is fixedly connected to the second fastening bolt; the resisting structure comprises a second threaded rod and a rubber roller, the second threaded rod is threadedly connected to the first connecting plate, and a second handle is fixedly installed on one end of the second threaded rod.

[0006] As a preferred technical solution of the present invention, hinge plates are installed at both sides of the outer surface of the second connecting plate, and a groove plate is fixedly installed on one side of the two hinge plates.

[0007] As a preferred technical solution of the present invention, second hinged seats are hingedly installed on both sides of the outer surface of the first connecting plate, and a fixing plate is fixedly installed on one side of the two second hinged seats.

[0008] As a preferred technical solution of the present invention, one end of the two fixing plates can be clamped with the groove plate, and the two fixing plates can be fixedly connected to the first connecting plate by bolts.

[0009] As a preferred technical solution of the present invention, a mounting plate is rotatably mounted on one end of the second threaded rod, a rubber roller is provided on one side of the mounting plate, two limit rods are fixedly mounted on one side of the mounting plate, and the two limit rods are movably connected to the first connecting plate.

[0010] As a preferred technical solution of the present invention, movable rods are movably installed on both sides of the interior of the mounting plate, and a ring is fixedly installed at one end of the two movable rods.

[0011] As a preferred technical solution of the present invention, a rotating rod is rotatably installed inside the collar.

[0012] As a preferred technical solution of the present invention, the rotating rod is fixedly connected to the rubber roller.

[0013] As a preferred technical solution of the present invention, a spring is fixedly mounted on one side of the two collars, and one end of the two springs is fixedly connected to the mounting plate.

[0014] As a preferred technical solution of the present invention, the two springs are sleeved on the outer surface of the movable rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The inserting and driving device of the cofferdam steel sheet pile is provided with a fixed rail, a folding structure, a limiting structure and a resisting structure. During the inserting and driving work, the first threaded rod is rotated and separated from the fixed rail by turning the first turning handle. At this time, the slider can move inside the fixed rail. After the inserting and driving position is determined, the L-shaped rod is moved to a state vertical to the support by folding. At this time, the steel sheet pile is hoisted to the inside of the first connecting plate and the second connecting plate. At this time, the second threaded rod can be rotated by turning the second turning handle. Due to the limiting of the limiting rods on both sides, the mounting plate can drive the rubber roller to move forward, thereby making the rubber roller resist the steel sheet pile. Therefore, in the subsequent inserting and driving process, the steel sheet pile can be limited to avoid the phenomenon of deviation.

[0017] 2. The inserting and driving device of the cofferdam steel sheet pile has a limiting structure. When the steel sheet pile is placed inside the first connecting plate and the second connecting plate, the screws on the fixing plate are unscrewed and one side of the hinged plate is folded to open the first connecting plate and the second connecting plate. At this time, when two or more steel sheet piles are connected, the buckles on both sides of the steel sheet pile can be fastened and fixed while limiting the position, so as to ensure the consistency and stability of the steel sheet pile connection;

[0018] 3. The driving device for the cofferdam steel sheet piles uses the supporting structure. After the rubber roller supports the steel sheet piles, when the driving work is carried out, the force on the steel sheet piles will transmit the vibration to the limiting structure and the folding structure as a whole, resulting in instability of the device. Therefore, through the setting of the spring, the rubber roller can continuously compress and expand the spring when it is vibrated, so that the movable rod can move in the mounting plate, thereby reducing the vibration of the supporting structure, the limiting structure and other structures, thereby improving the overall stability of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the appearance structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the fixed rail structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the first fastening bolt structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the folding structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the groove plate structure of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the second turning handle of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of the second threaded rod of the present invention;

[0026] Figure 8 For the present invention Figure 7 Enlarged structural diagram at A in the middle.

[0027] In the figure: 1. fixed rail; 101. first fastening bolt; 2. folding structure; 21. slider; 22. roller; 23. first hinged seat; 24. L-shaped rod; 25. second fastening bolt; 26. fixed seat; 27. first threaded rod; 28. first turning handle; 3. limiting structure; 31. first connecting plate; 32. second connecting plate; 33. hinge plate; 34. groove plate; 35. second hinged seat; 36. fixed plate; 4. supporting structure; 41. second threaded rod; 42. second turning handle; 43. mounting plate; 44. limiting rod; 45. movable rod; 46. collar; 47. rotating rod; 48. rubber roller; 49. spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-8 The driving device of the cofferdam steel sheet pile comprises a fixed rail 1, four first fastening bolts 101 are fixedly installed on the outer surface of the fixed rail 1, and the four first fastening bolts 101 can be fixed to the support, and a folding structure 2 is slidably installed inside the fixed rail 1, a limiting structure 3 is arranged on one side of the folding structure 2, and a resisting structure 4 is arranged inside the limiting structure 3; the folding structure 2 comprises a slider 21, a roller 22 is rotatably installed inside the slider 21, two first hinged seats 23 are fixedly installed on one side of the outer surface of the slider 21, and L-shaped rods 24 are hingedly installed inside the two first hinged seats 23, and L-shaped rods 24 are hingedly installed inside the two first hinged seats 23. A fixing seat 26 is fixedly installed on one side of the L-shaped rod 24, and a first threaded rod 27 is rotatably installed inside the fixing seat 26. A first turning handle 28 is fixedly installed on one end of the first threaded rod 27. Two groups of second fastening bolts 25 are fixedly installed on one side of the L-shaped rod 24; the limiting structure 3 includes a first connecting plate 31 and a second connecting plate 32, and the first connecting plate 31 is fixedly connected to the second fastening bolt 25; the supporting structure 4 includes a second threaded rod 41 and a rubber roller 48, the second threaded rod 41 is threadedly connected to the first connecting plate 31, and a second turning handle 42 is fixedly installed on one end of the second threaded rod 41.

[0030] See also Figure 1-5 The outer surface of the second connecting plate 32 is intersected with hinge plates 33 on both sides, and a groove plate 34 is fixedly installed on one side of the two hinge plates 33. The outer surface of the first connecting plate 31 is hinged with second hinge seats 35 on both sides, and a fixing plate 36 is fixedly installed on one side of the two second hinge seats 35. One end of the two fixing plates 36 can be clamped with the groove plate 34, and the two fixing plates 36 can be fixedly connected to the first connecting plate 31 by bolts.

[0031] By unscrewing the screws on the fixing plate 36 and folding one side of the hinged plate 33, the first connecting plate 31 and the second connecting plate 32 are opened. At this time, when two or more steel sheet piles are connected, the two sides of the steel sheet piles can be buckled and fixed while limiting the position to ensure the consistency and stability of the steel sheet pile connection.

[0032] See also Figure 6-8 A mounting plate 43 is rotatably mounted on one end of the second threaded rod 41, a rubber roller 48 is provided on one side of the mounting plate 43, two limit rods 44 are fixedly mounted on one side of the mounting plate 43, and the two limit rods 44 are movably connected to the first connecting plate 31. Movable rods 45 are movably mounted on both sides of the inside of the mounting plate 43, and a collar 46 is fixedly mounted on one end of the two movable rods 45. A rotating rod 47 is rotatably mounted inside the collar 46. The rotating rod 47 is fixedly connected to the rubber roller 48. A spring 49 is fixedly mounted on one side of the two collars 46, and one end of the two springs 49 is fixedly connected to the mounting plate 43. The two springs 49 are sleeved on the outer surface of the movable rod 45.

[0033] After the rubber roller 48 presses against the steel sheet pile, during the inserting and driving operation, the force on the steel sheet pile will transmit the vibration to the limiting structure 3 and the folding structure 2 as a whole through 38, causing instability of the device. Therefore, by setting the spring 49, the rubber roller 48 can cause the spring 49 to be continuously compressed and expanded when it is vibrated, so that the movable rod 45 can move in the mounting plate 43, thereby reducing the vibration of the pressing structure 4, the limiting structure 3 and other structures.

[0034] Working principle, when the driving device of the cofferdam steel sheet pile is used, first during the driving work, by turning the first turning handle 28, the first threaded rod 27 is rotated and separated from the fixed rail 1, and the slider 21 can move inside the fixed rail 1. After determining the driving position, the L-shaped rod 24 is folded to move it to a vertical state with the support. At this time, the steel sheet pile is hoisted to the inside of the first connecting plate 31 and the second connecting plate 32. At this time, by turning the second turning handle 42, the second threaded rod 41 can be rotated. Due to the limitation of the limiting rods 44 on both sides, the mounting plate 43 can drive the rubber roller 48 to move forward, thereby allowing the rubber roller 48 to resist the steel sheet pile, so that in the subsequent driving process, the steel sheet pile can be limited to avoid deviation. Then the steel sheet pile is placed inside the first connecting plate 31 and the second connecting plate 32. , by unscrewing the screws on the fixing plate 36 and folding one side of the hinged plate 33, the first connecting plate 31 and the second connecting plate 32 are in an open state. At this time, when two or more steel sheet piles are connected, the buckles on both sides of the steel sheet piles can be buckled and fixed while limiting the position to ensure the consistency and stability of the steel sheet pile connection. Finally, after the rubber roller 48 abuts against the steel sheet pile, when the insertion and driving work is carried out, the force on the steel sheet pile will transmit the vibration to the limiting structure 3 and the folding structure 2 as a whole through 38, resulting in instability of the device. Therefore, through the setting of the spring 49, the rubber roller 48 can be continuously compressed and expanded when it is vibrated, so that the movable rod 45 can move in the mounting plate 43, thereby reducing the vibration of the abutting structure 4, the limiting structure 3 and other structures, thereby improving the overall stability of the device when in use.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for driving and inserting a cofferdam steel sheet pile, comprising a fixed rail (1), characterized in that: Four first fastening bolts (101) are fixedly mounted on the outer surface of the fixed rail (1), and the four first fastening bolts (101) can be fixed to the support; a folding structure (2) is slidably mounted inside the fixed rail (1); a limiting structure (3) is arranged on one side of the folding structure (2); and a resisting structure (4) is arranged inside the limiting structure (3); The folding structure (2) comprises a slider (21), a roller (22) is rotatably mounted inside the slider (21), two first hinge seats (23) are fixedly mounted on one side of the outer surface of the slider (21), an L-shaped rod (24) is hingedly mounted inside the two first hinge seats (23), a fixed seat (26) is fixedly mounted on one side of the L-shaped rod (24), a first threaded rod (27) is rotatably mounted inside the fixed seat (26), a first turning handle (28) is fixedly mounted on one end of the first threaded rod (27), and two sets of second fastening bolts (25) are fixedly mounted on one side of the L-shaped rod (24); The limiting structure (3) comprises a first connecting plate (31) and a second connecting plate (32), wherein the first connecting plate (31) is fixedly connected to the second fastening bolt (25); The abutting structure (4) comprises a second threaded rod (41) and a rubber roller (48); the second threaded rod (41) is threadedly connected to the first connecting plate (31); and a second turning handle (42) is fixedly mounted on one end of the second threaded rod (41).

2. The device for inserting and driving cofferdam steel sheet piles according to claim 1 is characterized in that: Hinge plates (33) are installed at both sides of the outer surface of the second connecting plate (32), and a groove plate (34) is fixedly installed on one side of the two hinge plates (33).

3. The device for inserting and driving cofferdam steel sheet piles according to claim 1 is characterized in that: Second hinged seats (35) are hingedly mounted on both sides of the outer surface of the first connecting plate (31), and a fixing plate (36) is fixedly mounted on one side of the two second hinged seats (35).

4. The device for inserting and driving cofferdam steel sheet piles according to claim 3 is characterized in that: One end of the two fixing plates (36) can be clamped with the groove plate (34), and the two fixing plates (36) can be fixedly connected with the first connecting plate (31) by bolts.

5. The device for inserting and driving cofferdam steel sheet piles according to claim 1 is characterized in that: A mounting plate (43) is rotatably mounted on one end of the second threaded rod (41), a rubber roller (48) is provided on one side of the mounting plate (43), two limit rods (44) are fixedly mounted on one side of the mounting plate (43), and the two limit rods (44) are movably connected to the first connecting plate (31).

6. The device for inserting and driving cofferdam steel sheet piles according to claim 5, characterized in that: Movable rods (45) are movably mounted on both sides of the interior of the mounting plate (43), and a collar (46) is fixedly mounted on one end of the two movable rods (45).

7. The device for inserting and driving cofferdam steel sheet piles according to claim 6, characterized in that: A rotating rod (47) is rotatably mounted inside the collar (46).

8. The device for inserting and driving cofferdam steel sheet piles according to claim 7, characterized in that: The rotating rod (47) is fixedly connected to the rubber roller (48).

9. The device for inserting and driving cofferdam steel sheet piles according to claim 6, characterized in that: A spring (49) is fixedly mounted on one side of the two collars (46), and one end of the two springs (49) is fixedly connected to the mounting plate (43).

10. The device for inserting and driving cofferdam steel sheet piles according to claim 9, characterized in that: The two springs (49) are sleeved on the outer surface of the movable rod (45).