Special lifting appliance for mounting U-shaped sheet pile

Abstract

The utility model relates to a special lifting appliance for mounting a U-shaped sheet pile. The special lifting appliance comprises a left clamping piece, a right clamping piece, high-strength bolts, nuts, rubber pads and lifting lugs, the clamping piece comprises a connecting part corresponding to the outer wall of a web of the U-shaped sheet pile in shape, a clamping part sleeving a bottom plate of the U-shaped sheet pile from the outer side, and a mounting part, and the mounting part, the connecting part and the clamping part are fixedly connected in sequence; at least two high-strength bolts penetrate through the mounting parts of the two clamping pieces and are locked through nuts, so that the two clamping pieces are connected; the rubber pad is arranged on the inner side of the clamping piece, and the lifting lug is arranged on the clamping piece. The special lifting appliance fitting the shape of the U-shaped sheet pile is used for clamping the U-shaped sheet pile, the lifting lugs on the lifting appliance are connected with the lifting equipment for lifting, connection is reliable, manual operation is reduced, efficient and rapid construction is guaranteed, meanwhile, construction safety is guaranteed, and the lifting appliance belongs to the technical field of civil engineering lifting auxiliary equipment.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary equipment for hoisting in civil engineering, and specifically to a special hoisting tool for installing U-shaped sheet piles. Background Technology

[0002] U-shaped sheet piles (also known as Z-shaped sheet piles) are precast, irregularly shaped piles made of prestressed concrete. Their U-shaped cross-section provides high bending stiffness and strong shear resistance; some models can also be used as load-bearing structures. The U-shaped sheet piles utilize a tenon and mortise joint design, creating a self-locking mechanism between adjacent piles, enhancing overall stability and seepage prevention. They are widely used in riverbank protection, flood drainage channels, port terminals, and foundation pit support projects.

[0003] U-shaped sheet piles consist of a centrally raised web and two side base plates. The web is either arc-shaped or trapezoidal, while the base plates are flat. Due to the irregular cross-section of U-shaped sheet piles (U-shaped opening, offset center of gravity), traditional hoisting methods, such as using wire ropes or ordinary clamps, are difficult to adapt to their special structure, leading to the following problems during hoisting: 1) Easy slippage and tilting: Traditional hoisting tools cannot effectively clamp the arc-shaped web of the U-shaped sheet pile, making it prone to slippage or overturning during hoisting due to the offset center of gravity, posing a safety hazard. 2) Poor adaptability: Existing hoisting tools lack self-adjusting functions and are specific to U-shaped sheet piles of a given size. 3) High dependence on manual labor: The hoisting process relies on manual adjustment, which is complex and inefficient, making it difficult to meet the needs of large-scale construction.

[0004] Therefore, there is a lack of specialized lifting equipment for U-shaped sheet piles on the market to improve construction efficiency and reduce safety risks. Utility Model Content

[0005] The purpose of this utility model is to address the technical problems existing in the prior art by providing a special lifting tool for U-shaped sheet pile installation that improves lifting efficiency and safety.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A special lifting device for installing U-shaped sheet piles includes two clamping parts, high-strength bolts, nuts, rubber pads, and lifting lugs. The clamping parts include a connecting part corresponding to the shape of the outer wall of the web of the U-shaped sheet pile, a clamping part that fits over the bottom plate of the U-shaped sheet pile from the outside, and an installation part. The installation part, connecting part, and clamping part are sequentially and fixedly connected. At least two high-strength bolts pass through the installation parts of the two clamping parts and are locked with nuts to connect the two clamping parts. The rubber pads are placed on the inner side of the clamping parts, and the lifting lugs are placed on the clamping parts.

[0008] As a preferred embodiment, the clamping part includes an upper clamping plate, a side clamping plate, and a lower clamping plate connected in sequence, a bottom plate with a corresponding female tenon, the side clamping plate being a flat plate, a bottom plate with a corresponding male tenon, and the side clamping plate protruding outward to form a notch for accommodating the male tenon; the mounting part is a vertical plate.

[0009] As a preferred embodiment, the mounting section, connecting section, upper clamping plate, side clamping plate, and lower clamping plate are sequentially connected by full-weld seams to form a whole.

[0010] As a preferred option, the mounting section, connecting section, upper clamping plate, side clamping plate, and lower clamping plate are all made of steel plates.

[0011] As a preferred embodiment, rubber pads are provided on the entire inner side of the clamping component, and the rubber pads are attached to the inner side of the clamping component with adhesive.

[0012] As a preferred option, the rubber pads on the corresponding side plates are 30mm thick, while the rubber pads at other locations are 10mm thick.

[0013] As a preferred option, the lifting lugs are mounted on the upper clamping plate and positioned in the center front to back, and are fixed by full welding.

[0014] As a preferred option, the number of high-strength bolts is two, the high-strength bolts are Φ20 high-strength bolts, and the number of nuts is two.

[0015] As a preferred option, the thickness of the steel plate is 20mm.

[0016] As a preferred embodiment, in the forward-looking direction, the connecting part is arc-shaped, or the connecting part includes a sloping plate segment and a flat plate segment connected to the upper end of the sloping plate segment.

[0017] This utility model has the following advantages:

[0018] 1. Use a special lifting tool that fits the shape of the U-shaped sheet pile to clamp the U-shaped sheet pile. The lifting equipment is connected through the lifting lugs on the lifting tool for lifting. The connection is reliable, reduces manual operation, ensures efficient and fast construction, and ensures construction safety.

[0019] 2. The lifting device consists of two clamping parts and high-strength bolts for connection, which is convenient to assemble and disassemble and helps to improve construction efficiency.

[0020] 3. Rubber pads are used to avoid scratching the U-shaped sheet piles during hoisting, and to prevent the U-shaped sheet piles from slipping, deforming or tilting during hoisting.

[0021] 4. When using Z-shaped sheet piles with trapezoidal webs, the distance between the two clamping parts can be adjusted using high-strength bolts and nuts, so that the lifting device can be used for Z-shaped sheet piles with a certain width range.

[0022] 5. The lifting equipment protects the U-shaped sheet piles and reduces their wear and tear during the lifting process. Attached Figure Description

[0023] Figure 1 This is the front view of a special hoisting tool used for U-shaped sheet pile installation.

[0024] Figure 2 This is a top view of a special hoisting tool used for U-shaped sheet pile installation.

[0025] Figure 3 This is a partial schematic diagram of a special hoisting tool used for U-shaped sheet pile installation.

[0026] In the diagram, 1-high-strength bolt, 2-installation part, 3-connection part, 4-upper clamping plate, 5-side clamping plate, 6-lower clamping plate, 7-rubber pad, 8-lifting lug, 9-nut, 10-male tenon, 11-male tenon, 12-weld. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to specific embodiments.

[0028] Example 1

[0029] A special lifting device for installing U-shaped sheet piles includes two clamping parts, high-strength bolts, nuts, rubber pads, and lifting lugs. The clamping parts include a connecting part corresponding to the shape of the outer wall of the web of the U-shaped sheet pile, a clamping part that fits over the bottom plate of the U-shaped sheet pile from the outside, and an installation part. The installation part, connecting part, and clamping part are sequentially and fixedly connected. At least two high-strength bolts pass through the installation parts of the two clamping parts and are locked with nuts to connect the two clamping parts. The rubber pads are placed on the inner side of the clamping parts, and the lifting lugs are placed on the clamping parts.

[0030] The clamping part includes an upper clamping plate, a side clamping plate, and a lower clamping plate connected in sequence, a bottom plate with a corresponding female tenon, a flat side clamping plate with a corresponding male tenon, and a side clamping plate that bulges outward to form a notch to accommodate the male tenon; the mounting part is a vertical plate.

[0031] The mounting section, connecting section, upper clamping plate, side clamping plate, and lower clamping plate are sequentially connected by full-weld seams to form a whole.

[0032] The mounting section, connecting section, upper clamping plate, side clamping plate, and lower clamping plate are all made of steel plates.

[0033] Rubber pads are installed on the entire inner side of the clamping component, and these pads are adhered to the inner side of the clamping component using adhesive. In this embodiment, neoprene rubber adhesive is used. The rubber pads act as a buffer to prevent the sheet piles from slipping, deforming, or tilting during hoisting.

[0034] The rubber pads on the corresponding side plates are 30mm thick, while the rubber pads at other locations are 10mm thick.

[0035] The lifting lugs are mounted on the upper clamping plate and positioned centered front to back, and are fixed by full welding. In this embodiment, the lifting lugs are 3T lifting lugs with a hole diameter of 40mm.

[0036] There are two high-strength bolts, both of which are Φ20 high-strength bolts, and two nuts.

[0037] The steel plate is 20mm thick.

[0038] In the forward view, the connecting part is arc-shaped. In this embodiment, the web is arc-shaped, so the shape of the connecting part corresponds to the shape of the web.

[0039] The operation process of this utility model is as follows:

[0040] (1) Design the shape of the clamping component according to the shape of the U-shaped sheet pile.

[0041] (2) Make special lifting tools: weld the installation part, connecting part, upper clamping plate, side clamping plate and lower clamping plate into a whole by full welding in sequence, and then weld the lifting lugs; attach rubber pads to the inside of the steel plate; and drill bolt holes on the installation part.

[0042] (3) Clamping: Place the two clamping pieces on the outside of the U-shaped sheet pile, tighten the high-strength bolts and nuts, connect the two clamping pieces into a whole, and firmly clamp the U-shaped sheet pile. The inner surface of the rubber pad should fit against the outer wall of the U-shaped sheet pile. For longer U-shaped sheet piles, two lifting devices can be used to improve safety and stability.

[0043] (4) Lifting: The lifting equipment lifts the U-shaped sheet piles using the lifting lugs.

[0044] Using the special lifting tool of this utility model not only improves the stability and safety of operation, but also protects the U-shaped sheet piles and reduces their wear.

[0045] Example 2

[0046] In this embodiment, the web of the U-shaped sheet pile is trapezoidal. Therefore, in the forward view direction, the connecting part includes an inclined plate segment and a flat plate segment connected to the upper end of the inclined plate segment.

[0047] With this type of connector, the distance between the two clamping parts can be adjusted by high-strength bolts, thus making the special lifting tool suitable for U-shaped sheet piles of a certain width range.

[0048] The parts not mentioned in this embodiment are the same as in Embodiment 1.

[0049] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

Claims

1. A special lifting spreader for U- sheet pile installation, characterized in that: It includes two clamping parts, high-strength bolts, nuts, rubber pads, and lifting lugs; the clamping parts include a connecting part corresponding to the shape of the outer wall of the web of the U-shaped sheet pile, a clamping part that fits the bottom plate of the U-shaped sheet pile from the outside, and an installation part, which are sequentially fixedly connected; at least two high-strength bolts pass through the installation parts of the two clamping parts and are locked with nuts to connect the two clamping parts; the rubber pads are set on the inner side of the clamping parts, and the lifting lugs are set on the clamping parts.

2. A special lifting spreader for U sheet pile installation according to claim 1, characterized in that: The clamping part includes an upper clamping plate, a side clamping plate, and a lower clamping plate connected in sequence, a bottom plate with a corresponding female tenon, a flat side clamping plate with a corresponding male tenon, and a side clamping plate that bulges outward to form a notch to accommodate the male tenon; the mounting part is a vertical plate.

3. A special lifting spreader for U sheet pile installation according to claim 2, characterized in that: The mounting section, connecting section, upper clamping plate, side clamping plate, and lower clamping plate are sequentially connected by full-weld seams to form a whole.

4. A special lifting spreader for U sheet pile installation according to claim 2, characterized in that: The mounting section, connecting section, upper clamping plate, side clamping plate, and lower clamping plate are all made of steel plates.

5. A special lifting spreader for U sheet pile installation according to claim 2, characterized in that: Rubber pads are provided on the entire inner side of the clamping component, and the rubber pads are attached to the inner side of the clamping component with adhesive.

6. A special lifting spreader for U sheet pile installation according to claim 5, characterized in that: The rubber pads on the corresponding side plates are 30mm thick, while the rubber pads at other locations are 10mm thick.

7. A special lifting spreader for U sheet pile installation according to claim 2, characterized in that: The lifting lugs are installed on the upper clamp plate and are located in the center of the front and back, and are fixed by full welding.

8. A special lifting spreader for U sheet pile installation according to claim 1, characterized in that: There are two high-strength bolts, both Φ20, and two nuts.

9. A special lifting tool for U-shaped sheet pile installation according to claim 4, characterized in that: The steel plate is 20mm thick.

10. A special lifting spreader for U sheet pile installation according to claim 1, characterized in that: In the forward-looking direction, the connecting part is arc-shaped, or the connecting part includes a ramp segment and a flat plate segment connected to the upper end of the ramp segment.

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