Prefabricated T-beam lifting tool

Abstract

The utility model discloses a prefabricated T-beam lifting tool which comprises hoisting steel wire ropes arranged at the two ends of a T-beam, the hoisting steel wire ropes are connected with hoisting equipment above after being wound around the bottom of the T-beam, a U-shaped pocket beam protective sleeve is arranged between the hoisting steel wire ropes and the bottom of the T-beam, and the U-shaped pocket beam protective sleeve is arranged outside the bottom of the T-beam in a sleeved mode. The U-shaped pocket beam sheath comprises a rigid shell and a flexible cushion layer arranged in the rigid shell, a rope containing clamping groove is formed in the bottom of the U-shaped pocket beam sheath, the rope containing clamping groove comprises a straight line section and a smooth arc-shaped transition section located between the two ends of the straight line section, the hoisting steel wire rope passes through the rope containing clamping groove, and the hoisting steel wire rope and a flange of the T beam are separated through a cushion block. According to the tool, direct contact between the hoisting steel wire rope and the corner of the T-shaped beam is avoided, abrasion of the steel wire rope in the using process is reduced, meanwhile, the corner of the T-shaped beam is protected to a certain degree, and damage caused by direct contact between the corner of the T-shaped beam and the steel wire rope in the beam lifting process is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel beam lifting, in particular to a prefabricated T-beam lifting tool. Background Art

[0002] At present, when prefabricated T-beams are hoisted from the bottom with steel wire ropes, the lifting steel wire ropes are in direct contact with the edges and corners of the T-beams, and the steel wire ropes are easily worn and broken, which greatly reduces their service life. In addition, at the bottom of the T-beam and the corners of the wing plates that are in direct contact with the steel wire ropes, wear and marks will appear on the concrete surface, which will affect the appearance quality of the T-beam concrete. Utility Model Content

[0003] The main purpose of the utility model is to provide a prefabricated T-beam lifting tool, which avoids direct contact between the lifting wire rope and the corners of the T-beam, reduces the wear of the wire rope during use, and at the same time plays a certain protective role on the corners of the T-beam, preventing damage caused by direct contact between the corners of the T-beam and the wire rope during the lifting process.

[0004] To this end, the utility model provides a prefabricated T-beam lifting tooling, including a lifting wire rope arranged at both ends of the T-beam, the lifting wire rope is passed around the bottom of the T-beam and then connected to the lifting equipment above, a U-shaped beam pocket sheath is provided between the lifting wire rope and the bottom of the T-beam, the U-shaped beam pocket sheath is sleeved outside the bottom of the T-beam, the U-shaped beam pocket sheath includes a rigid shell and a flexible cushion layer arranged in the rigid shell, a rope accommodating groove is provided at the bottom of the U-shaped beam pocket sheath, the rope accommodating groove includes a straight line segment and a smooth arc-shaped transition segment located between the two ends of the straight line segment, the lifting wire rope passes through the rope accommodating groove, and the lifting wire rope is separated from the flange of the T-beam by a cushion block.

[0005] Specifically, two ends of the pad are directly clamped on the annular wet joint steel bars outside the flange.

[0006] Specifically, the outer surface of the cushion block is a smooth arc-shaped surface protruding outward.

[0007] Specifically, the flexible cushion layer is a rubber cushion layer.

[0008] Specifically, the lifting equipment includes a lifting beam shoulder pole and a gantry crane connected to the lifting beam shoulder pole, and two ends of the lifting wire rope are respectively connected to two ends of the lifting beam shoulder pole.

[0009] Compared with the prior art, the utility model has the following beneficial effects: a U-shaped beam pocket sheath is provided at the bottom of the T-beam, and a smoothly transitioned rope-containing groove is provided at the bottom of the U-shaped beam pocket sheath, so that the lifting wire rope can pass through the rope-containing groove, and a pad is provided between the lifting wire rope and the flange of the T-beam to separate them, thereby avoiding direct contact between the lifting wire rope and the edges of the T-beam, reducing the wear of the wire rope during use, and making it less likely to break the wire; at the same time, it plays a certain protective role on the edges of the T-beam, preventing damage caused by direct contact between the edges of the T-beam and the wire rope during the beam lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0011] Figure 1 This is a front view of a prefabricated T-beam handle tooling provided by an embodiment of the utility model;

[0012] Figure 2 It is a cross-sectional view of a prefabricated T-beam handle tooling provided by an embodiment of the utility model;

[0013] Among them: 1. T-beam; 2. Lifting wire rope; 3. U-shaped beam sheath; 301. Rigid shell; 302. Flexible cushion layer; 4. Rope slot; 401. Straight section; 402. Smooth arc transition section; 5. Flange; 6. Pad; 7. Annular wet joint steel bar; 8. Lifting beam shoulder pole; 9. Lifting rope. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0016] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0017] See also Figure 1 and Figure 2 A prefabricated T-beam lifting tooling comprises a lifting wire rope 2 arranged at both ends of a T-beam 1, the lifting wire rope 2 passes through the bottom of the T-beam 1 and is connected to the lifting equipment above, a U-shaped beam sheath 3 is arranged between the lifting wire rope 2 and the bottom of the T-beam 1, the U-shaped beam sheath 3 is sleeved outside the bottom of the T-beam 1, the U-shaped beam sheath 3 comprises a rigid shell 301 and a flexible cushion layer 302 arranged in the rigid shell 301, a rope-containing groove 4 is arranged at the bottom of the U-shaped beam sheath 3, the rope-containing groove 4 comprises a straight section 401 and a smooth arc-shaped transition section 402 located between the two ends of the straight section 401, the lifting wire rope 2 passes through the rope-containing groove 4, and the lifting wire rope 2 is separated from the flange 5 of the T-beam 1 by a cushion block 6, and the outer surface of the cushion block 6 is a smooth arc-shaped surface protruding outward.

[0018] In this embodiment, a U-shaped beam sheath 3 is provided at the bottom of the T-beam 1, and a rope-holding groove 4 with a smooth transition is provided at the bottom of the U-shaped beam sheath 3, so that the lifting wire rope 2 passes through the rope-holding groove 4, and a cushion block 6 is provided between the lifting wire rope 2 and the flange 5 of the T-beam 1 to avoid direct contact between the lifting wire rope 2 and the corners of the T-beam 1, reduce the wear of the wire rope during use, and prevent wire breakage; in addition, it plays a certain protective role on the corners of the T-beam 1, and prevents damage caused by direct contact between the corners of the T-beam 1 and the wire rope during the beam lifting process. At the same time, the setting of the flexible cushion layer 302 on the U-shaped beam sheath 3 makes the U-shaped beam sheath 3 and the T-beam 1 in flexible contact. When lifting the beam, the addition of the U-shaped beam sheath 3 will not damage the T-beam 1.

[0019] See also Figure 1 and Figure 2 In some embodiments, the two ends of the pad 6 are directly clamped on the annular wet joint steel bar 7 on the outer side of the corresponding flange 5 of the T beam 1, and the pad 6 is easy to install. In addition, by designing the outer surface of the pad 6 as a smooth arc-shaped surface protruding outward, such a design allows the lifting wire rope 2 to be in smooth contact with the pad 6, and the lifting wire rope 2 is not prone to wear.

[0020] Specifically, the lifting equipment includes a lifting beam shoulder pole 8 and a gantry crane arranged above the lifting beam shoulder pole 8. The sling 9 of the gantry crane is connected to the lifting beam shoulder pole 8, and the two ends of the lifting wire rope 2 are respectively connected to the two ends of the lifting beam shoulder pole 8. When the T beam 1 is hoisted, the prepared U-shaped pocket beam sheath 3 is placed at the two ends of the T beam 1 pedestal and is sleeved outside the bottom of the T beam 1. A semicircular steel rod is used as a cushion block 6 at the flange 5 of the T beam 1. The lifting wire rope 2 is passed under the U-shaped pocket beam sheath 3 and hung on the lifting beam shoulder pole. Before lifting, check whether the wire rope hanging point is firm and reliable. Only after acceptance can the T beam 1 be hoisted. Among them, the rigid shell 301 can be welded by steel plates, and the flexible cushion layer 302 can be a rubber cushion layer.

[0021] Unless otherwise stated, any technical solution disclosed in the above utility model, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range, and any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many implementable numerical values. Since there are too many numerical values ​​to be exhaustive, the utility model discloses only some numerical values ​​to illustrate the technical solution of the present invention, and the numerical values ​​listed above should not constitute a limitation on the scope of protection of the invention.

[0022] At the same time, if the above-mentioned utility model discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connected by bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).

[0023] In addition, the terms used in any technical solution disclosed in the above utility model to indicate positional relationship or shape include the state or shape that is similar, similar or close to it unless otherwise stated. Any component provided by the utility model can be assembled from multiple separate components, or it can be a separate component manufactured by an integrated molding process.

[0024] The above embodiments are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. The obvious changes or modifications derived from these are still within the scope of protection of the present invention.

Claims

1. A prefabricated T-beam lifting tool, comprising lifting wire ropes (2) arranged at both ends of the T-beam (1), wherein the lifting wire ropes (2) are connected to a lifting device above after passing through the bottom of the T-beam (1), and characterized in that: A U-shaped beam sheath (3) is provided between the lifting wire rope (2) and the bottom of the T-beam (1), and the U-shaped beam sheath (3) is sleeved on the outside of the bottom of the T-beam (1). The U-shaped beam sheath (3) includes a rigid shell (301) and a flexible cushion layer (302) arranged in the rigid shell (301). A rope-containing groove (4) is provided at the bottom of the U-shaped beam sheath (3), and the rope-containing groove (4) includes a straight section (401) and smooth arc-shaped transition sections (402) located at both ends of the straight section (401). The lifting wire rope (2) passes through the rope-containing groove (4), and the lifting wire rope (2) is separated from the flange (5) of the T-beam (1) by a cushion block (6).

2. The prefabricated T-beam handle tooling according to claim 1 is characterized in that: The two ends of the cushion block (6) are directly clamped on the corresponding annular wet joint steel bars (7) outside the flange (5).

3. The prefabricated T-beam handle tooling according to claim 1 is characterized in that: The outer surface of the cushion block (6) is a smooth arc-shaped surface convex outwards.

4. The prefabricated T-beam handle tooling according to claim 1 is characterized in that: The flexible cushion layer (302) is a rubber cushion layer.

5. The prefabricated T-beam handle tooling according to any one of claims 1 to 4, characterized in that: The lifting equipment comprises a lifting beam shoulder pole (8) and a gantry crane connected to the lifting beam shoulder pole (8), and the two ends of the lifting wire rope (2) are respectively connected to the two ends of the lifting beam shoulder pole (8).

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