Lifting appliance for increasing lifting height of mixed tower duct piece

Abstract

The utility model discloses a lifting appliance for increasing the lifting height of a mixed tower duct piece. The lifting appliance comprises a lifting appliance main body, a connecting lifting lug is arranged in the middle of the top of the lifting appliance main body, upper lifting holes are formed in the connecting lifting lug, lower lifting holes are formed in the two sides of the bottom of the lifting appliance main body, and an upper lifting ring is arranged between the upper lifting holes. The lifting assemblies are arranged at the top and the bottom of the lifting appliance body, the lower lifting rings are adjusted to be arranged in the lower lifting holes in different positions in a penetrating mode according to the sizes of the mixed tower segments during use so as to adapt to the widths of the segments, and therefore the lifting appliance can be used for lifting the mixed tower segments of different sizes; and the protruding part at the bottom of the lifting appliance main body is embedded into the concave surface part in the duct piece, so that the lifting appliance is matched with the duct piece, and the lifting operation can be carried out by hanging the upper lifting ring and a crane, so that the lifting height of the mixed tower duct piece is effectively increased, and the mixed tower duct piece can be smoothly demoulded.

Description

Technical Field

[0001] The utility model relates to the technical field of loading and shipping, in particular to a hoisting device used for increasing the hoisting height of a mixing tower pipe segment. Background Art

[0002] The hybrid tower is the tower of the wind turbine. The overall structural rigidity of the hybrid tower is large. Compared with the all-steel flexible tower, it has the advantages of low overall cost, stronger reliability, stronger wind resistance, long service life, and fewer transportation restrictions. The hybrid tower segment is a prefabricated concrete component that constitutes the bottom section of the tower. After the hybrid tower segment is manufactured with a vertical mold, it needs to be lifted out of the mold. In this process, a hoist is required;

[0003] However, in actual application, the existing mixed tower segment hoist lifts the mixed tower segment out of the mold by lifting the side of the mixed tower segment. The combined height between the vertical mixed tower segment and the hoist is relatively high, and there is a technical problem that the lifting height is not enough, which makes it easy for the mixed tower segment to be unable to be smoothly demolded. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a hoist for increasing the lifting height of a mixing tower segment, which can solve the problem of lifting the mixing tower segment out of the mold by lifting the side of the mixing tower segment. The combined height between the vertical mixing tower segment and the hoist is relatively high, and there is a technical problem that the lifting height is not enough, resulting in the mixing tower segment being unable to be smoothly demolded.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a hoist for increasing the lifting height of a mixed tower segment, comprising a hoist body, a connecting lifting ear is provided at the middle position of the top of the hoist body, an upper lifting hole is provided inside the connecting lifting ear, lower lifting holes are provided on both sides of the bottom of the hoist body, an upper lifting ring is provided between the upper lifting holes, a lower lifting ring is provided inside the lower lifting hole, and balancing components are provided on both sides of the top of the hoist body.

[0006] As a preferred technical solution of the utility model, the main body of the sling is in a "U" shape, the connecting ears are in a semi-elliptical shape, and the connecting ears are symmetrically arranged on the top of the sling main body.

[0007] As a preferred technical solution of the utility model, fourteen groups of lower hanging holes are provided, and the lower hanging holes are arranged at equal intervals on both sides of the bottom of the hanger body.

[0008] As a preferred technical solution of the utility model, three groups of upper hanging rings are provided, and two groups of lower hanging rings are provided, and the shape of the lower hanging rings is "O" type.

[0009] As a preferred technical solution of the utility model, the balancing assembly includes balancing ears, which are arranged on both sides of the top of the sling body, and balancing rings are inserted into the balancing ears.

[0010] As a preferred technical solution of the utility model, four groups of balancing lifting ears are provided, and the balancing lifting ears are symmetrically arranged on both sides of the top of the sling body, and the balancing lifting ring is in a circular ring shape.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By arranging hoisting components at the top and bottom of the hoist body, the lower hoisting ring is adjusted according to the size of the mixed tower segment and inserted into the lower hoisting holes at different positions to adapt to the width of the segment, so that it can be used to hoist mixed tower segments of different sizes. The segment duckbill buckle is connected to the hoist body through the lower hoisting ring, and the protruding part at the bottom of the hoist body is embedded in the concave part inside the segment, so that the hoist fits the segment, and the hoisting operation can be carried out by hanging the upper hoisting ring with the crane, thereby effectively improving the hoisting height of the mixed tower segment and enabling the mixed tower segment to be demoulded smoothly;

[0013] 2. By arranging balancing components on both sides of the top of the hoist body, the balancing lifting rings arranged in the balancing lifting ears are used to connect the hoist body with the lifting cable when lifting the mixed tower segments, ensuring the stability of the hoist body driving the segments during the lifting process, avoiding lateral tilting of the hoist body and the segments during the lifting process, making the lifting process more balanced and stable, thereby effectively improving the safety performance of the hoist. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 This is a front view structural schematic diagram of the utility model;

[0017] Figure 4 It is a side structural schematic diagram of the utility model.

[0018] Among them: 1. Lifting device body; 2. Lower lifting ring; 3. Lower lifting hole; 4. Connecting lifting lug; 5. Upper lifting ring; 6. Balancing lifting lug; 7. Upper lifting hole; 8. Balancing lifting ring. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified. Example

[0020] Please refer to Figure 1-4 As shown, the utility model provides a sling for increasing the lifting height of a mixed tower segment, comprising a sling body 1, and the sling body 1 is in a "U" shape, a connecting lug 4 is arranged at the middle position of the top of the sling body 1, the connecting lug 4 is semi-elliptical, and the connecting lug 4 is symmetrically arranged on the top of the sling body 1, an upper hanging hole 7 is arranged inside the connecting lug 4, lower hanging holes 3 are arranged on both sides of the bottom of the sling body 1, and the lower hanging holes 3 are arranged at equal intervals on both sides of the bottom of the sling body 1, upper hanging rings 5 ​​are arranged between the upper hanging holes 7, and the upper hanging rings 5 ​​are arranged in three groups, and the lower hanging rings 3 are arranged inside 2. Fourteen groups of lower hanging holes 3 are provided, and two groups of lower hanging rings 2 are provided. The shape of the lower hanging rings 2 is "O"-shaped. The lower hanging rings 2 are adjusted according to the size of the pipe segment and inserted into the lower hanging holes 3 at different positions. The pipe segment duckbill buckle is connected to the sling body 1 through the lower hanging ring 2, and the protruding part at the bottom of the sling body 1 is embedded in the concave part inside the pipe segment, so that the sling fits the pipe segment. Then, the pipe segment is lifted and demoulded by connecting the upper hanging ring 5 with the lifting equipment, thereby effectively improving the lifting height of the mixed tower pipe segment, so that the mixed tower pipe segment can be demoulded smoothly, and it can be used to lift mixed tower pipe segments of different sizes, which is more practical;

[0021] When in use, the lower lifting ring 2 is adjusted according to the size of the mixing tower segment and inserted into the lower lifting hole 3 at different positions to adapt to the width of the segment. The segment duckbill buckle is connected to the sling body 1 through the lower lifting ring 2, and the protruding part at the bottom of the sling body 1 is embedded in the concave part inside the segment, so that the sling fits the segment, shortens the combined height of the segment and the sling, indirectly increases the lifting height, and can be hung with the crane through the upper lifting ring 5 to carry out lifting and demoulding operations;

[0022] As a further implementation of this embodiment, Figure 1-4As shown, balancing components are arranged on both sides of the top of the sling body 1, and the balancing components include balancing ears 6, which are arranged on both sides of the top of the sling body 1, and the balancing ears 6 are symmetrically arranged on both sides of the top of the sling body 1, and the inside of the balancing ears 6 is penetrated with a circular ring-shaped balancing ring 8, and the balancing ears 6 are provided with four groups. The sling body 1 is connected to the lifting cable by using the balancing ring 8 arranged in the balancing ears 6, so as to ensure the stability of the sling body 1 in the process of lifting the pipe segment, and avoid the sling body 1 and the pipe segment from tilting sideways during the lifting process, so that the lifting process is more balanced and stable, thereby effectively improving the safety performance of the sling;

[0023] Specific working principle:

[0024] When using a hoist to lift and demould the mixed tower segment, first adjust the lower lifting ring 2 according to the size of the mixed tower segment and insert it into the lower lifting hole 3 at different positions to adapt to the width of the segment. Then, connect the segment duckbill buckle with the hoist body 1 through the lower lifting ring 2, and the protruding part at the bottom of the hoist body 1 is embedded in the concave part inside the segment, so that the hoist and the segment fit together, shortening the combined height of the segment and the hoist, indirectly increasing the lifting height, and hanging it with the crane through the upper lifting ring 5. At the same time, connect the balancing ring 8 connected to the hoist body 1 through the balancing lifting ear 6 to the lifting cable to ensure the balance and stability of the hoist body 1 and the segment, thereby achieving safe and stable lifting and demoulding operations of the mixed tower segment.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hoist for increasing the hoisting height of a mixed tower segment, comprising a hoist body (1), characterized in that: A connecting lifting lug (4) is provided at the middle position of the top of the sling body (1), an upper lifting hole (7) is provided inside the connecting lifting lug (4), lower lifting holes (3) are provided on both sides of the bottom of the sling body (1), an upper lifting ring (5) is provided between the upper lifting holes (7), a lower lifting ring (2) is provided inside the lower lifting hole (3), and balancing components are provided on both sides of the top of the sling body (1).

2. A hoisting device for increasing the hoisting height of a concrete tower segment according to claim 1, characterized in that: The sling body (1) is in a "U" shape, the connecting lifting lugs (4) are in a semi-elliptical shape, and the connecting lifting lugs (4) are symmetrically arranged on the top of the sling body (1).

3. The hoisting device for increasing the hoisting height of a concrete tower segment according to claim 1, characterized in that: Fourteen groups of lower hanging holes (3) are provided, and the lower hanging holes (3) are arranged at equal intervals on both sides of the bottom of the hanger body (1).

4. The hoisting device for increasing the hoisting height of a concrete tower segment according to claim 1, characterized in that: The upper hanging rings (5) are provided with three groups, the lower hanging rings (2) are provided with two groups, and the lower hanging rings (2) are in an "O" shape.

5. The hoisting device for increasing the hoisting height of a concrete tower segment according to claim 1, characterized in that: The balancing assembly comprises balancing ears (6), wherein the balancing ears (6) are arranged on both sides of the top of the sling body (1), and a balancing ring (8) is inserted into the interior of the balancing ears (6).

6. A hoisting device for increasing the hoisting height of a concrete tower segment according to claim 5, characterized in that: The balancing lifting ears (6) are provided in four groups. The balancing lifting ears (6) are symmetrically arranged on both sides of the top of the lifting device body (1). The balancing lifting ring (8) is in the shape of a circular ring.

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