Pile casing hoisting equipment for foundation pile construction

Abstract

The utility model discloses pile casing hoisting equipment for foundation pile construction, which comprises an elliptical clamping block, an outer side clamping rod, a template frame, an oil cylinder, a steel wire rope and a hoisting ring, a middle through hole positioned on the template frame is rotatably connected with the middle of the outer side clamping rod through a rotating shaft, and the top end of the outer side clamping rod is rotatably connected with one side of the middle of a U-shaped frame through a rotating shaft; the middle of an oval clamping block is rotationally connected into a side penetrating hole in the template frame through a rotating shaft, one end of the oval clamping block is rotationally connected with the other side in the U-shaped frame through a rotating shaft, and the top end of the U-shaped frame is connected with the output end of an oil cylinder through a rotating shaft. The pile casing hoisting device is reasonable in structural design, the oil cylinder contracts to drive the connected U-shaped frame to move upwards, the corresponding end of the outer side clamping rod and the corresponding end of the oval clamping block are connected with the middle and the lower end of the U-shaped frame respectively, a pile casing part located between the outer side clamping rod and the oval clamping block is clamped and fixed, hoisting firmness is high, dismounting and mounting are convenient, and the hoisting efficiency is high. And the hoisting requirements of pile casings with different diameters and sizes can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting construction of foundation pile casing, in particular to a casing lifting device for foundation pile construction. Background Technique

[0002] The steel casing is the most common auxiliary structure in the construction of bridge foundation piles. When installing the steel casing, generally, lifting ropes are connected by drilling holes in the hole wall of the casing mouth. For the steel casing of land foundation piles, since the diameter is small, the length is short, and the weight is light, the above-mentioned lifting method will not affect the structure of the steel casing. However, for the construction of underwater foundation piles, the generally used steel casings have large diameters. Moreover, due to the large height difference between the drilling platform and the riverbed, and part of the steel casing needs to be inserted into the riverbed, the length of the steel casing is relatively long. Using the traditional lifting method, due to uneven stress at each lifting hole during the lifting process, the steel casing may sometimes be deformed; and during the transportation of large-diameter steel casings, due to bumps, extrusion, etc., the steel casing may sometimes be deformed. The deformation of the steel casing will affect the lowering of the drill bit of the drilling rig, and the steel casing needs to be corrected, which directly affects the construction progress. Especially, it is more difficult to correct the steel casing after it is lowered, and at the same time, the construction cost is increased. Therefore, a casing lifting device for foundation pile construction is proposed for the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a casing lifting device for foundation pile construction to solve the above problems.

[0004] The utility model realizes the above purpose through the following technical solutions. A casing lifting device for foundation pile construction includes an elliptical clamp block, a U-shaped frame, an outer clamp rod, a template frame, a hole block, an oil cylinder, a steel wire rope and a lifting ring. The middle perforation on the template frame is rotatably connected to the middle of the outer clamp rod through a rotating shaft, and the top end of the outer clamp rod is rotatably connected to one side of the middle of the U-shaped frame through a rotating shaft. The middle of the elliptical clamp block is rotatably connected to the side perforation on the template frame through a rotating shaft, and one end of the elliptical clamp block is rotatably connected to the other side inside the U-shaped frame through a rotating shaft. The top end of the U-shaped frame is connected to the output end of the oil cylinder through a rotating shaft, and the cylinder body part of the oil cylinder is rotatably connected to the end groove through a rotating shaft.

[0005] Preferably, the end groove is opened at one end of the template frame.

[0006] Preferably, a hole block is welded at the middle position of the top of the template frame, and one end of the steel wire rope is connected inside the hole block.

[0007] Preferably, the other end of the steel wire rope is fixedly connected to the lifting ring.

[0008] Preferably, a part of the casing is clamped and fixed between the outer clamp rod and the other end of the elliptical clamp block.

[0009] Preferably, the oil cylinder is connected to an external hydraulic system through an oil pipe.

[0010] Compared with the prior art, the advantages of the present utility model are as follows: the contraction of the oil cylinder drives the connected U-shaped frame to move upward, and in combination with the respective corresponding ends of the outer clamping rod and the elliptical clamping block being connected to the middle part and the lower end of the U-shaped frame respectively, clamping and fixing of the casing part located between the outer clamping rod and the elliptical clamping block is achieved, with strong hoisting firmness and convenient disassembly and assembly. The distributed plurality of steel wires are connected through a lifting ring, facilitating hoisting and lifting, and can meet the hoisting requirements of casings with different diameter sizes. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 It is a three-dimensional view of a partial structure of the present utility model;

[0014] Figure 3 It is a side view of a partial structure of the present utility model.

[0015] In the figure: 1, elliptical clamping block; 2, U-shaped frame; 3, outer clamping rod; 4, template frame; 401, middle perforation; 402, end groove; 403, side perforation; 5, hole block; 6, oil cylinder; 7, steel wire; 8, lifting ring; 9, casing. Detailed Embodiments

[0016] In order to make the objectives, features, and advantages of the present utility model more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the embodiments described below are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0017] The technical solutions of the present utility model will be further described below with reference to the drawings and through specific embodiments.

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0019] Please refer to Figures 1-3 As shown, a casing hoisting device for pile foundation construction includes an elliptical clamp block 1, a U-shaped frame 2, an outer side frame rod, a template frame 4, a hole block 5, an oil cylinder 6, a steel wire rope 7, and a lifting ring 8. The middle perforation 401 on the template frame 4 is rotationally connected to the middle of the outer side clamp rod 3 through a rotating shaft, and the top of the outer side clamp rod is rotationally connected to one side of the middle of the U-shaped frame 2 through a rotating shaft. The middle of the elliptical clamp block 1 is rotationally connected to the side perforation 403 on the template frame 4 through a rotating shaft, and one end of the elliptical clamp block 1 is rotationally connected to the other side inside the U-shaped frame 2 through a rotating shaft. The top of the U-shaped frame 2 is connected to the output end of the oil cylinder 6 through a rotating shaft, and the cylinder body part of the oil cylinder 6 is rotationally connected to the end groove 402 through a rotating shaft.

[0020] The end groove 402 is opened at one end of the template frame 4.

[0021] A hole block 5 is welded at the middle position on the top of the template frame 4, and one end of the steel wire rope 7 is connected inside the hole block 5.

[0022] The other end of the steel wire rope 7 is fixedly connected to the lifting ring 8.

[0023] A part of the casing 9 is clamped and fixed between the outer side clamp rod 3 and the other end of the elliptical clamp block 1.

[0024] The oil cylinder 6 is connected to an external hydraulic system through an oil pipe.

[0025] When the present utility model is in use, the contraction of the oil cylinder 6 drives the connected U-shaped frame 2 to move upward. Combining the corresponding ends of the outer side clamp rod 3 and the elliptical clamp block 1 with the middle and lower ends of the U-shaped frame 2 respectively, the part of the casing 9 located between the outer side clamp rod 3 and the elliptical clamp block 1 is clamped and fixed. The hoisting firmness is strong, the disassembly and assembly are convenient. The distributed multiple steel wire ropes 7 are connected through the lifting ring 8, which is convenient for hoisting and can meet the hoisting requirements of casings 9 with different diameters.

[0026] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0027] As described above, the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A casing hoisting device for pile foundation construction, characterized in that: The utility model comprises an elliptical clamping block (1), a U-shaped frame (2), an outer frame rod, a plate frame (4), a hole block (5), an oil cylinder (6), a wire rope (7) and a lifting ring (8); a middle through hole (401) located on the plate frame (4) is rotatably connected to the middle of the outer clamping rod (3) through a rotating shaft, and the top end of the outer clamping rod is rotatably connected to one side of the middle of the U-shaped frame (2) through a rotating shaft; a side through hole (403) located on the plate frame (4) is rotatably connected to the middle of the elliptical clamping block (1) through a rotating shaft, and one end of the elliptical clamping block (1) is rotatably connected to the other side of the U-shaped frame (2) through a rotating shaft; the top end of the U-shaped frame (2) is connected to the output end of the oil cylinder (6) through a rotating shaft, and the cylinder body of the oil cylinder (6) is rotatably connected to the end groove (402) through a rotating shaft.

2. The casing hoisting equipment for pile foundation construction according to claim 1 is characterized in that: The end groove (402) is opened at one end of the template frame (4).

3. The casing hoisting equipment for pile foundation construction according to claim 1, characterized in that: A hole block (5) is welded at the middle position of the top of the template frame (4), and one end of a steel wire rope (7) is connected to the hole block (5).

4. The casing hoisting equipment for pile foundation construction according to claim 3 is characterized in that: The other end of the steel wire rope (7) is fixedly connected to the lifting ring (8).

5. The casing hoisting equipment for pile foundation construction according to claim 1, characterized in that: A protective tube (9) is clamped and fixed between the outer clamping rod (3) and the other end of the elliptical clamping block (1).

6. The casing hoisting equipment for pile foundation construction according to claim 1, characterized in that: The oil cylinder (6) is connected to an external hydraulic system via an oil pipe.

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