Device for construction of skew T steel bridge group

Abstract

The utility model provides a kind of device for construction of skew T steel bridge group, which comprises a main body, an assembly groove adapted to the skew T steel bridge group is provided on the main body, and a notch is formed on the assembly groove.The device for construction of skew T steel bridge group can make the component turn over smoothly without the risk of unhooking, has high safety, and will not damage the performance of the whole component.

Description

Technical Field

[0001] This utility model relates to the field of steel structure construction technology, and in particular to a device for constructing inclined T-shaped steel bridges. Background Technology

[0002] During steel structure processing, especially for large-section bridge steel structures, the components need to be repeatedly turned over due to the needs of assembly, welding, correction, painting and other processes.

[0003] There are three traditional turning techniques: 1. Turning the component manually using a crowbar; 2. Welding lifting lugs to the surface of the steel component and turning it using a crane; 3. Using a lifting plate hook clamp to clamp the flange plate of the steel component and turning it over.

[0004] Traditional lifting techniques are generally unsuitable for manually lifting large and heavy components. Welding lifting lugs is often not permitted due to product quality and safety concerns. When using plate hooks for lifting, the stability of components and the instantaneous impact force during the lifting process may cause product deformation. Furthermore, the plate hook clamps are easily disengaged due to the impact of the lifting process, resulting in product damage and, in severe cases, endangering the lives of operators. When using tower cranes, truck cranes, or crawler cranes for lifting, the instantaneous impact of the lifting process and the unavoidable oblique pull are often the main safety factors for lifting system instability accidents. Summary of the Invention

[0005] In view of this, the purpose of this utility model is to provide a construction device for inclined T-steel bridge assemblies, which can make the components turn over smoothly, without the risk of disengagement, with high safety, and without damaging the overall performance of the components.

[0006] This utility model provides a construction device for inclined T-steel bridge assemblies, including a main body, on which an assembly groove adapted to the inclined T-steel bridge assemblies is provided, and the assembly groove has a notch.

[0007] In one embodiment, the main body includes a horizontal plate, at least two vertical plates and two extension legs. The two vertical plates are vertically disposed at both ends of the horizontal plate, and the two extension legs are respectively connected to a corresponding vertical plate. The two extension legs extend in opposite directions to form an assembly groove with a notch.

[0008] In one embodiment, the main body includes at least two locking feet and two abutting feet. The two locking feet are connected by a pin to form an assembly groove with a notch. The abutting feet are respectively hinged to a locking foot, and one end of the abutting foot extends to the plane of the assembly groove.

[0009] In one embodiment, the abutting foot includes a lifting section and an abutting section. The lifting section is hinged to the locking foot, the abutting section is connected to one end of the lifting section, and the other end of the abutting section extends toward the location of the assembly groove.

[0010] In one embodiment, the abutting section includes an abutting plate and jaws disposed on the abutting plate. The abutting plate is disposed together with the lifting section, and the jaws face the inclined T-shaped steel bridge assembly.

[0011] In one embodiment, the locking foot includes a main body segment, a connecting segment, and an extension segment. The connecting segment is vertically disposed at one end of the main body segment. One end of the extension segment is connected to the connecting segment. The other end of the extension segment extends in the direction of the other locking foot. The main body segments of the two locking feet are connected by a pin. A preset distance is reserved between the extension segments of the two locking feet. The abutting foot is hinged to the main body segment.

[0012] The device for constructing inclined T-shaped steel bridge assemblies provided by this utility model can make the components turn over smoothly without the risk of detachment, ensuring high safety and without damaging the overall performance of the components. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a structural schematic diagram of the construction device for the inclined T-shaped steel bridge assembly provided in Example 1.

[0015] Figure 2 The diagram shows the application scenario of the straightening operation of the construction device for the inclined T-shaped steel bridge assembly provided in Example 1.

[0016] Figure 3 This is a diagram illustrating the flipping operation of the device used in the construction of the inclined T-shaped steel bridge assembly provided in Example 1.

[0017] Figure 4 This is a schematic diagram of the second application scenario of the construction device for inclined T-shaped steel bridges provided in Example 1.

[0018] Figure 5 This is a schematic diagram of the application scenario three of the construction device for inclined T-shaped steel bridges provided in Example 1.

[0019] Figure 6 This is a schematic diagram illustrating the application scenario four of the construction device for inclined T-shaped steel bridges provided in Example 1.

[0020] Figure 7 This is a schematic diagram of the construction device for the inclined T-shaped steel bridge assembly provided in Example 2.

[0021] Figure 8 This is a schematic diagram of the abutment foot of the construction device for the inclined T-shaped steel bridge assembly provided in Example 2.

[0022] Figure 9 This is a schematic diagram of the clamping foot of the device for constructing inclined T-shaped steel bridges provided in Example 2. Detailed Implementation

[0023] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0025] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this invention is usually placed in during use. They are only for the convenience of description and simplification, 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. Therefore, they should not be construed as limitations on this utility model.

[0026] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0027] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0028] Example 1

[0029] Please see Figure 1 The construction device for inclined T-shaped steel bridge assemblies provided in this embodiment includes a main body 1. The main body 1 is provided with an assembly groove 106 adapted to the inclined T-shaped steel bridge assemblies, and the assembly groove 106 is provided with a notch 105.

[0030] It is understandable that the inclined T-shaped steel bridge assembly can have some longitudinal sections that are T-shaped. During hoisting, the number of main bodies and the number of overhead cranes (such as cranes or gantry cranes) can be selected according to the usage scenario. The main body 1 is inserted into the ends of the inclined T-shaped steel bridge assembly through the assembly slots 106. The transverse steel plates of the inclined T-shaped steel bridge assembly are located in the assembly slots 106, and the longitudinal steel plates of the inclined T-shaped steel bridge assembly protrude through the notches 105, while the transverse steel plates are confined within the assembly slots 106. The main body 1 is connected by an overhead crane through a hoisting rope. A specific scenario can be as follows:

[0031] Use case 1:

[0032] Straightening and turning operations can be performed using a single crane at a single point or by multiple cranes at a single point each. This applies to the welding of the T-shaped side box plates of the steel box girder in the inclined T-shaped steel bridge assembly (e.g., ...). Figure 2 (As shown in the image) If straightening is required, lift the main body simultaneously from lifting points one and two. If flipping is required, select either lifting point one or lifting point two depending on the flipping direction. Please refer to [link / reference]. Figure 3 In this embodiment, lifting point two is selected according to the flipping direction. When the T-shaped side box panel is suspended in the air, the vertical line drawn through lifting point two will inevitably pass through the projection of the center of gravity of the object to be flipped. As the T-shaped side box panel is slowly lowered, support point one will inevitably contact the frame first. As the T-shaped side box panel continues to fall, its center of gravity will be on the left side of support point one. Figure 3 After falling, the T-shaped side panel was flipped over smoothly during the lifting, suspension, and lowering process. Throughout the entire flipping operation, the panel was lifted vertically without any tilting or oblique lifting.

[0033] Use Case 2

[0034] Please see Figure 4 Assembly of the T-shaped side panels of the steel box girder: Lifting point 2 is selected for the main body 1 on the left side of the T-shaped side panel, and lifting point 1 is selected for the main body 1 on the right side of the T-shaped side panel. To prevent excessive tilting of the T-shaped side panels during assembly, blocks can be installed at the contact points between the T-shaped side panels and the base plate. Alternatively, the center-of-gravity projection of the T-shaped side panels and the required tilt angle can be calculated through modeling, and the inward positions of lifting points 1 and 2 can be adjusted to ensure that the lifting tilt angle matches the required angle.

[0035] Use Case 3

[0036] Steel bridge multi-machine single-point flipping: Select as follows Figure 5 The lifting point positions shown are determined by connecting the center of gravity of the lifting points of the steel bridge after lifting, passing over the second descent support point, and then slowly lowering the steel bridge to complete the flipping process (same principle as in scenario one). When returning to center, select the inner lifting point of the box girder, lift, slowly lower, and return to center. If necessary, the device can be widened to the left or right and the lifting points moved inward. Returning to center is achieved as long as the crane's wire rope, after lifting, forms a perpendicular line to the ground with the projected center of gravity plane, and this perpendicular line passes through the first contact point of the component on the ground.

[0037] Use Case 4

[0038] Steel bridge multi-machine single-point lifting and moving: Please participate Figure 6 When the steel bridge welding is completed, it can be smoothly lifted off the ground using the device at four lifting points on the inside of the bridge. Advantages: The angle of the lifting wire rope is smaller when using the inside points, eliminating the risk of disengagement associated with traditional plate hooks.

[0039] Please continue reading. Figure 1 In some embodiments, the main body 1 includes a horizontal plate 101, at least two vertical plates 102 and two extension legs 103. The two vertical plates 102 are vertically disposed at both ends of the horizontal plate 101. The two extension legs 103 are respectively connected to a corresponding vertical plate 102, and the two extension legs 103 extend in opposite directions to form an assembly groove 106 with a notch 105.

[0040] It is known that the two longitudinal plates 102 can be welded to the transverse plate 101 or be an integral structure. The two extension legs 103 are set perpendicular to the longitudinal plates 102. The connection method can be welding or an integral structure. The extension legs 103 can be parallel to the transverse plate 101. The main body 1 of this structure is better adapted to the T-steel bridge assembly. Two lifting holes 104 can be set on the transverse plate 101. The lifting holes 104 are used as lifting points. The lifting rope is passed through the lifting holes 104 and tied tightly, so as to facilitate the connection and fixation with the crane.

[0041] Example 2

[0042] Please see Figure 7 The construction device for inclined T-shaped steel bridge assembly provided in this embodiment differs from that in Embodiment 1 in that: the main body 1 includes at least two locking feet 101a and two abutting feet 101b. The two locking feet 101a are connected by a pin to form an assembly groove 101c with a notch 101d. The abutting feet 101b are respectively hinged to a locking foot 101a, and one end of the abutting foot 101b extends to the plane where the assembly groove 101c is located.

[0043] It is understandable that the locking feet 101a can be hinged together by a pin, and a certain gap is reserved between the two locking feet 101a to form a notch 101d. During the flipping and lifting operations, the lifting points are located on the two abutting feet 101b respectively. During lifting, the abutting feet 101b abut against the T-shaped side box plate. Under the action of the upward lifting force, the abutting feet can effectively improve the stability of fixing the T-shaped side box plate.

[0044] Please see Figure 8 In some embodiments, the abutment foot 101b includes a lifting section 101b1 and an abutment section 101b2. The lifting section 101b1 is hinged to the locking foot 101a, and the abutment section 101b2 is connected to one end of the lifting section 101b1, and the other end of the abutment section 101b2 extends toward the location of the assembly groove 101c.

[0045] It is understandable that when the abutment section 101b2 abuts against the T-shaped side box plate, it can be parallel to the T-shaped side box plate. The abutment foot structure of this structure is simple and can be well adapted to lifting and turning operations.

[0046] Please see Figure 4 In some embodiments, the abutment section 101b2 includes an abutment plate and jaws disposed on the abutment plate. The abutment plate is disposed together with the lifting section 101b1, and the jaws face the inclined T-steel bridge assembly.

[0047] It is known that the jaws, relying on their own friction, increase the friction between the abutment plate and the T-shaped side box plate, thereby improving the stability of the contact between the abutment section and the T-shaped side box plate.

[0048] Please see Figure 9 In some embodiments, the locking foot 101a includes a main body segment 101a1, a connecting segment 101a2, and an extension segment 101a3. The connecting segment 101a2 is vertically disposed at one end of the main body segment 101a1. One end of the extension segment 101a3 is connected to the connecting segment 101a2. The other end of the extension segment 101a3 extends in the direction of the other locking foot 101a. The main body segments 101a1 of the two locking feet 101a are connected by a pin. The extension segments 101a3 of the two locking feet 101a are spaced apart by a pre-set distance. The abutting foot 101b is hinged to the main body segment 101a1.

[0049] It is understandable that the main body segment 101a1, the connecting segment 101a2, and the extension segment 101a3 can be an integral structure. The main body segment 101a1 and the extension segment 101a3 are parallel, and the connecting segment 101a2 is perpendicularly connected to the main body segment 101a1 and the extension segment 101a3. The part of the main body segment 101a1 of the two clips 101a that contacts each other can be thinned to make the fit between the main body segments 101a1 better, while the extension segment 101a3 and the connecting segment 101a2 can be thickened.

[0050] As can be seen from the above description, the construction device for inclined T-shaped steel bridges provided by this utility model can make the components turn over smoothly without the risk of detachment, ensuring high safety and without damaging the overall performance of the components.

[0051] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A construction device for inclined T-shaped steel bridge assemblies, characterized in that, Includes a main body, on which an assembly groove adapted to a slanted T-shaped steel bridge assembly is provided, and the assembly groove has a notch; The main body includes a horizontal plate, at least two vertical plates and two extension legs. The two vertical plates are vertically arranged at both ends of the horizontal plate, and the two extension legs are respectively connected to a corresponding vertical plate. The two extension legs extend in opposite directions to form an assembly groove with a notch.

2. The construction device for inclined T-shaped steel bridges as described in claim 1, characterized in that, The main body includes at least two locking feet and two abutting feet. The two locking feet are connected by a pin to form an assembly groove with a notch. Each abutting foot is hinged to a locking foot, and one end of the abutting foot extends to the plane of the assembly groove.

3. The construction device for inclined T-shaped steel bridges as described in claim 2, characterized in that, The abutment foot includes a lifting section and an abutment section. The lifting section is hinged to the locking foot, and the abutment section is connected to one end of the lifting section, with the other end of the abutment section extending toward the location of the assembly groove.

4. The construction device for inclined T-shaped steel bridges as described in claim 3, characterized in that, The abutting section includes an abutting plate and jaws disposed on the abutting plate. The abutting plate is disposed together with the lifting section, and the jaws face the inclined T-steel bridge assembly.

5. The construction device for inclined T-shaped steel bridges as described in claim 2, characterized in that, The locking foot includes a main body segment, a connecting segment, and an extension segment. The connecting segment is vertically disposed at one end of the main body segment. One end of the extension segment is connected to the connecting segment. The other end of the extension segment extends in the direction of the other locking foot. The main body segments of the two locking feet are connected by a pin. A preset distance is reserved between the extension segments of the two locking feet. The abutting foot is hinged to the main body segment.

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