A lifting tool for I-shaped bars

Abstract

The utility model discloses a hoist frock for I -section bar, relates to steel structure processing and manufacturing technical field, and its specific structure includes: the lug plate, and the top of lug plate is provided with the lifting hole, two connecting plates are installed respectively in both ends of lug plate, and are provided with the gap between two connecting plates, and the gasket is installed in the top of connecting plate. The utility model solves the technical problem of the easy damage of I -section bar hoisting in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of steel structure processing and manufacturing technology, and in particular to a hoisting fixture for I-beam members. Background Technology

[0002] In the fields of steel structure installation, such as construction and bridges, I-beam members are widely used due to their excellent load-bearing capacity and structural stability. Currently, most I-beam member hoisting operations in China typically employ general-purpose lifting tools, such as lifting clamps or scissor clamps. These lifting tools are convenient to use, highly versatile, and can accommodate members of various common sizes, simplifying the hoisting process and improving operational efficiency.

[0003] Currently, most I-beams in China are lifted using general-purpose lifting tools such as lifting clamps or scissor clamps. These tools are convenient and versatile, but they also have some drawbacks. Lifting clamps can damage the clamping parts of heavy I-beams, and scissor clamps often have limited opening sizes, making them unsuitable for large I-beams and costing more to purchase. Utility Model Content

[0004] The purpose of this invention is to provide a lifting fixture for I-shaped rods, which solves the technical problem that I-shaped rods are easily damaged during lifting in the prior art.

[0005] This application discloses a hoisting fixture for I-beam members, comprising: The lifting lug plate has a lifting hole at its top; Two connecting plates are respectively installed at both ends of the lifting lug plate, and a gap is provided between the two connecting plates; A pad is installed on top of the connecting plate; Each of the connecting plates is equipped with two pads, one of which is located at the free end of the connecting plate and the other is located on the upper side of the connecting plate; The two connecting plates have inclined surfaces on opposite sides; A gap is left between the top of the connecting plate and the bottom side of the groove of the lifting lug plate.

[0006] This application designs the lifting fixture, which uses a combination of connecting plates and pads for support, to avoid collisions during lifting and to prevent stress concentration and damage.

[0007] Based on the above technical solution, the present application can be further improved as follows: Furthermore, the free end of the pad extends away from the connecting plate, and the length of the pad is greater than the thickness of the connecting plate. The advantage of this step is that by designing the size of the pad, better support can be achieved.

[0008] Furthermore, the two pads installed on the same connecting plate are of different lengths.

[0009] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages: 1. This application is applicable to the hoisting of I-beams of different sizes of this type, and is simple to manufacture and low in cost.

[0010] 2. This application uses left and right connecting plates bolted together to form a hoisting fixture, which is easy to manufacture.

[0011] 3. This application has a pad installed on the connecting plate, which can increase the contact area and avoid stress concentration, thereby preventing damage to the steel plate surface.

[0012] 4. The gap between the groove of the lifting lug plate and the reinforcing pad in this application can prevent the lifting tooling from colliding with the reinforcing pad and deforming during the lifting process. Attached Figure Description

[0013] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a structural schematic diagram of a hoisting fixture for an I-beam member according to a specific embodiment of the present utility model; Figure 2 for Figure 1 A schematic diagram of the structure of the lifting lug plate; Figure 3 for Figure 1 A schematic diagram of the connecting plate in the middle; Figure 4 for Figure 3 A schematic diagram of the structure of BB in the diagram; Figure 5 This is a schematic diagram of the working process of a hoisting fixture for an I-beam member according to a specific embodiment of this utility model; The attached figures are labeled as follows: 1-Lifting lug plate; 2-Connecting plate; 3-Padded plate; 101 - Lifting hole. Detailed Implementation

[0015] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0016] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0017] In the description of this application, it should be understood that the terms "upper", "lower", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] In this application, unless otherwise expressly specified and limited, the terms "installation," "setup," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] To better understand the above technical solutions, the following will provide a detailed description of the technical solutions in conjunction with the accompanying drawings and specific embodiments.

[0020] Example: like Figure 1-5 As shown in the illustration, this application discloses a lifting fixture for I-beam members, used for lifting a certain type of I-beam member. This type of I-beam member has a reinforcing pad welded to both its upper and lower flanges. The reinforcing pads are relatively thin and extend beyond the width of the flanges. Existing general-purpose lifting tools can damage the surface of the member and deform the reinforcing pads during lifting. This application utilizes the pads for support and provides a gap between the slot and the connecting plate, thus preventing damage to this type of I-beam member during lifting.

[0021] The specific structure of this application includes: Lifting lug 1, the top of which is provided with a lifting hole 101, the lifting lug 1 is an existing lifting lug, which will be used as a load-bearing component for lifting in the future; Two connecting plates 2 are respectively installed at both ends of the lifting lug plate 1, and a gap is provided between the two connecting plates 2. This gap is to facilitate the subsequent insertion of the I-beam, thereby completing the hoisting. The pad 3 is installed on the connecting plate 2. The pad 3 is used to facilitate subsequent support and increase the stress area to prevent the entire I-shaped part from deforming.

[0022] This application has a connecting plate 2 installed on the lifting lug plate 1, which forms a support. In order to further ensure the stability during lifting and support, this application also provides a pad to increase the force-bearing area and thus ensure stability.

[0023] The installation method of the pad 3 is further explained. Preferably, there are four pads 3, arranged in pairs, and each pair of pads 3 cooperates with a connecting plate 2. During installation, one of the pads 3 is located at the free end of the connecting plate 2, and the other pad 3 is located on the upper side of the connecting plate 2. During subsequent hoisting, the pad 3 located at the free end cooperates with the web area of ​​the I-beam, while the other pad 3 cooperates with the wing plate of the I-beam.

[0024] Because there is a transition connection structure between the wing plate and the web plate, the two connecting plates 2 in this application are provided with inclined surfaces on opposite sides, which are located between the two pad plates 3, so that the hoisting of the I-beam can be better achieved.

[0025] A gap is left between the top of the connecting plate 2 and the bottom side of the groove of the lifting lug plate 1. This gap facilitates the insertion of the wing plate and pad of the subsequent I-beam, thereby completing the hoisting.

[0026] Specifically, the free end of the pad 3 extends away from the connecting plate 2, and the length of the pad 3 is greater than the thickness of the connecting plate 2. This application is mainly for hoisting I-shaped parts with added pads, so it is necessary to increase the length of the pad 3 in order to better complete the hoisting.

[0027] The two pads 3 installed on one of the connecting plates 2 have different lengths, which can be applied to different areas of the I-shaped parts, thus facilitating subsequent hoisting.

[0028] Further explanation is provided regarding this application: In this application, the connecting plate 2 and the lifting lug plate 1 are connected by bolts. The lifting lug plate 1 has a lifting hole for connecting lifting equipment. Bolt holes are drilled on the lifting lug plate 1. The groove of the lifting lug plate 1 is larger than the width of the reinforcing pad of the I-shaped part to facilitate lifting.

[0029] Meanwhile, the left and right connecting plates and the lifting lug plate 1 in this application are connected by connecting bolts. At the same time, a pad is welded to the upper part and the end of one end of the connecting plate 2 to increase the contact area, reduce stress concentration, and reduce damage to the surface of the rod.

[0030] After the left and right connecting plates are installed, the gap between the left and right connecting plates must be greater than the thickness of the web of the I-shaped part, and the gap between the left and right connecting plates and the groove of the lifting lug plate must be greater than the total thickness of the I-shaped flange plate + reinforcing pad plate; the sum of the gaps between the left and right connecting plates and the web of the I-shaped part must be less than the gap between the groove on each side of the lifting lug plate and the side of the reinforcing pad plate of the I-shaped part.

[0031] like Figure 5 As shown, each hoisting operation requires two sets of hoisting fixtures, which are located on both sides of the center of gravity of the I-shaped member. By adjusting the distance between the two sets of hoisting fixtures, the included angle of the hoisting equipment connecting the two sets of hoisting fixtures is kept between 60° and 90° to ensure the safety of hoisting the I-shaped member.

[0032] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0033] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A lifting fixture for I-beam members, characterized in that, include: Lifting lug (1), the top of which is provided with a lifting hole (101); Two connecting plates (2) are respectively installed at both ends of the lifting lug plate (1), and a gap is provided between the two connecting plates (2); A pad (3) is installed on top of the connecting plate (2); Two pads (3) are installed on each of the connecting plates (2), one of the pads (3) is located at the free end of the connecting plate (2), and the other pad (3) is located on the upper side of the connecting plate (2); The two connecting plates (2) are provided with inclined surfaces on opposite sides; A gap is left between the top of the connecting plate (2) and the bottom side of the groove of the lifting lug plate (1).

2. The lifting fixture for I-beam members according to claim 1, characterized in that, The free end of the pad (3) extends away from the connecting plate (2), and the length of the pad (3) is greater than the thickness of the connecting plate (2).

3. The lifting fixture for I-beam members according to claim 2, characterized in that, The two pads (3) installed on the same connecting plate (2) have different lengths.

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