Reinforcement cage lowering assembly and device

Abstract

The utility model discloses a reinforcement cage lowering assembly and device.The reinforcement cage lowering assembly comprises a lowering frame, the lowering frame is provided with a plurality of stand columns and a plurality of cross beams, the stand columns are arranged in the vertical direction, the cross beams are arranged at one ends of the stand columns, the cross beams are used for connecting the two adjacent stand columns, and the cross beams are arranged in the horizontal direction; the cross beam is provided with a lifting lug, and the lifting lug is used for placing a pulley assembly. The lowering frame is composed of the multiple stand columns and the multiple cross beams, meanwhile, the lifting lugs are arranged on the cross beams to place the pulley assemblies, the steel wire ropes pull the reinforcement cage through the pulley assemblies, and the lowering frame is simple in structure, convenient to use, large in bearing capacity, not prone to deformation and capable of well replacing large hoisting equipment; the device is suitable for being used in the lowering process of the reinforcement cage in bridge construction.

Description

Technical Field

[0001] The utility model generally relates to the technical field of construction engineering, and in particular to a steel cage lowering component and device. Background Art

[0002] With the remarkable development of bridge construction technology, the span of bridges has been increasing, and the diameter and length of bridge pile foundations have been increasing. As a result, the number and total weight of main reinforcement of the steel cage have been increasing accordingly.

[0003] At present, the steel cage of bored pile foundation of cross-sea bridge projects is generally extended and lowered by gantry crane or crawler crane. However, for large-diameter and ultra-long pile foundations, the total weight of the steel cage of a single pile foundation can easily reach tens of tons or even hundreds of tons. The lifting capacity of the above lifting equipment can no longer meet the requirements of extending and lowering the steel cage of the pile foundation. Therefore, a large-tonnage pile foundation steel cage lowering frame is urgently needed to solve the above problem. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a reinforcement cage lowering assembly and device.

[0005] In a first aspect, the steel cage lowering assembly provided by the present application comprises: a lowering frame, wherein the lowering frame is provided with a plurality of columns and a plurality of beams, wherein the columns are arranged in a vertical direction, a beam is arranged at one end of the columns, and the beam is used to connect two adjacent columns, and the beam is arranged in a horizontal direction;

[0006] The crossbeam is provided with a lifting lug, and the lifting lug is used for placing the pulley assembly.

[0007] In one embodiment, the lower rack further includes a base, and the other end of the column is connected to the base 11, and the base is a frame formed by connecting multiple steel materials end to end.

[0008] In one embodiment, the lifting ear comprises an ear plate, the ear plate is connected to the cross beam by welding, and the ear plate is provided with a through hole, which is an ear hole.

[0009] In one embodiment, the ear further comprises a patch plate, the patch plate is welded to the ear plate, and the patch plate is arranged on both sides of the through-hole in the through-hole direction.

[0010] In one embodiment, the ear further includes a stiffening plate, the ear plate and the cross beam are connected via the stiffening plate, and the stiffening plate is arranged on both sides of the through-hole in the through-direction.

[0011] In one embodiment, the lower rack further includes a stabilizing rod, and the stabilizing rod is used to connect two adjacent columns. The stabilizing rod includes at least one or more of the following: an inclined rod and a horizontal rod.

[0012] In one embodiment, the base includes an extension portion, and the extension portion is connected to the base via a scissors strut.

[0013] In one embodiment, the lowering frame further comprises: an operating platform, the operating platform is connected to the stabilizing rod, and the operating platform is arranged at one end of the lowering frame close to the crossbeam.

[0014] In one embodiment, the lowering rack further comprises: a ladder, wherein the ladder is connected to the stabilizing bar.

[0015] On the other hand, an embodiment of the present application provides a reinforcement cage lowering device, comprising the above-mentioned reinforcement cage lowering assembly and a winch.

[0016] In summary, the steel cage lowering assembly and device provided in the embodiment of the present application are composed of a lowering frame through multiple columns and multiple beams, and a lifting lug is arranged on the beam to place a pulley assembly, so that the steel cage is pulled by the pulley assembly through the wire rope. The lowering structure is simple, easy to use, has a large bearing capacity and is not easy to deform. It is a good substitute for large lifting equipment and is suitable for use in the lowering process of the steel cage in bridge construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0018] Figure 1 A structural diagram of a steel cage lowering assembly in one embodiment;

[0019] Figure 2 is a structural diagram of a lifting ear in one embodiment;

[0020] Figure 3 It is a structural diagram of a reinforcement cage lowering device in one embodiment.

[0021] Reference numerals: steel cage lowering assembly 100,

[0022] Lowering rack 1, base 11, diagonal brace 12, column 13, scissor brace 14, stabilizer bar 15, horizontal bar 151, diagonal bar 152, crossbeam 17, ladder 18, operating platform 19,

[0023] Lifting ear 2, ear plate 21, plate 22, ear hole 23, stiffening plate 24,

[0024] Winch 3,

[0025] Pulley block 4, fixed pulley 41, movable pulley 42,

[0026] Steel wire rope 5, first pulley block 51, second pulley block 52,

[0027] Steel cage 8,

[0028] Rebar cage lowering device 1000. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] The present solution can be applied to the field of construction engineering technology, and the embodiment of the present application is described using the structure of a steel bar raw material storage device.

[0032] Please see Figure 1 and Figure 2 The present application provides a steel cage lowering assembly 100, comprising: a lowering frame 1, wherein the lowering frame 1 is provided with a plurality of columns 13 and a plurality of beams 17, wherein the columns 13 are arranged in a vertical direction, and a beam 17 is arranged at one end of the column 13, wherein the beam 17 is used to connect two adjacent columns 13, and wherein the beam 17 is arranged in a horizontal direction; and the beam 17 is provided with a lifting lug 2, wherein the lifting lug 2 is used to place a pulley block 4.

[0033] Specifically, the device includes a lowering frame 1, which is composed of a plurality of columns 13 and a plurality of beams 17. Four columns 13 are usually provided, and the cross section surrounded by the four columns 13 is a square. A beam 17 is provided at one end of the column 13, and the beam 17 connects two adjacent columns 13. At the same time, the beams 17 are arranged face to face. Preferably, two beams 17 are provided, and the beams 17 and the columns 13 are connected by a detachable structure. A single column 13 is also connected by a detachable structure, so as to facilitate the control of the height of the beam 17. Further, the column 13 is arranged vertically to the placement surface, and the beam 17 is arranged parallel to the placement surface, that is, the column 13 and the beam 17 are arranged vertically. At the same time, the beam 17 is provided with a lifting lug 2, and the lifting lug 2 is used to place four pulley blocks. The beam 17 and the lifting lug 2 are connected by a detachable structure, and the lifting lug 2 and the four pulley blocks are usually connected by a detachable structure. The pulley block 4 generally includes a fixed pulley 41, a movable pulley 42, and a guide wheel.

[0034] In one embodiment, the lower rack 1 further includes a base 11, and the other end of the column 13 is connected to the base 11. The base 11 is a frame formed by connecting a plurality of steel materials end to end.

[0035] Specifically, the lower rack 1 also includes a base 11, which is used to support the lower rack 1. The base 11 is arranged at one end away from the cross beam 17, that is, one end of the column 13 is used to connect the cross beam 17, and the other end of the column 13 is used to connect the base 11. Here, the base 11 is made of four steel materials connected end to end to form a square frame, so as to be connected to the column 13. The steel materials of the base 11 are connected by a detachable structure. In this embodiment, the base 11 is made of four double-jointed I-shaped steels connected end to end and welded.

[0036] In some embodiments, the base 11 further includes a diagonal brace 12 , which is disposed in the base 11 and is used to connect two adjacent steel members in the base 11 .

[0037] In one embodiment, the lifting ear 2 includes an ear plate 21 , the ear plate 21 is welded to the cross beam 17 , and the ear plate 21 is provided with a through hole, which is an ear hole 23 .

[0038] Specifically, the lifting lug 2 includes an ear plate 21, which is the main body of the lifting lug 2. The ear plate 21 is connected to the cross beam 17, that is, connected by welding. At the same time, the ear plate 21 is provided with a through hole, and the through hole is used to place the pulley block 4. Further, the ear plate 21 and the cross beam 17 are connected by a detachable structure.

[0039] In one embodiment, the ear 2 further includes a plate 22 , the plate 22 is welded to the ear plate 21 , and the plate 22 is arranged on both sides of the through-hole in the through-hole direction.

[0040] Specifically, the ear plate 21 of the lifting ear 2 is provided with a pasting plate 22 on both sides along the through-hole direction, and the pasting plate 22 and the ear plate 21 are connected by welding, thereby increasing the contact area between the pulley block 4 and the lifting ear 2, thereby extending the service life of the lifting ear 2.

[0041] In one embodiment, the lifting ear 2 further includes a stiffening plate 24, the ear plate 21 and the cross beam 17 are connected via the stiffening plate 24, and the stiffening plate 24 is disposed on both sides of the through-hole in the through-hole direction.

[0042] Specifically, the lifting lug 2 is further provided with a stiffening plate 24, and the lug plate 21, the stiffening plate 24 and the cross beam 17 are connected. That is to say, on the basis of the welding connection between the lug plate 21 and the cross beam 17, they are further connected by the stiffening plate 24, thereby improving the connection strength between the lifting lug 2 and the cross beam 17. At the same time, by setting the stiffening plate 24, the anti-twisting performance of the lifting lug 2 can also be increased. Further, the stiffening plates 24 are arranged on both sides of the through-hole through-direction, that is, the stiffening plates 24 increase the contact area between the lug plate 21 and the cross beam 17. Further, multiple stiffening plates 24 can be arranged on a single side, thereby improving reliability.

[0043] In one embodiment, the lower rack 1 further includes a stabilizing rod 15 , and the stabilizing rod 15 is used to connect two adjacent columns 13 . The stabilizing rod 15 includes at least one or more of the following: an inclined rod 152 and a horizontal rod 151 .

[0044] Specifically, the lower frame 1 is also provided with a stabilizing rod 15, through which two adjacent columns 13 are connected, thereby reducing the stress on the base 11 and the crossbeam 17. The structural strength of the lower frame 1 is increased to prevent the lower frame 1 from breaking. At the same time, the stabilizing rod 15 includes a horizontal rod 151 and an oblique rod 152. The horizontal rod 151 is arranged perpendicular to the column 13, that is, the two adjacent columns 13 are fixed by the cross bar perpendicular to the column 13, thereby preventing the column 13 from swinging. Further, the stabilizing rod 15 also includes an oblique rod 152, which is arranged at the connection between the adjacent horizontal rod 151 and the column 13, thereby further enhancing the stability of the column 13. In the present application, the angle between the oblique rod 152 and the stabilizing rod 15 is set to 45 degrees.

[0045] In some embodiments, the base 11 includes an extension portion, and the extension portion is connected to the base 11 through a scissors support 14.

[0046] The base 11 includes an extension part, which is a steel material extending from the connection point after a frame is formed by connecting multiple steel materials end to end. The extension part and the base 11 are connected by a detachable structure. The extension part is connected to the column 13 through a scissors brace 14, and the connection method can be welding or a detachable structure. The number of extension parts and scissors braces 14 is set correspondingly, and further, multiple scissors braces 14 can be set.

[0047] In some embodiments, the lower frame 1 further includes: an operating platform 19 , the operating platform 19 is connected to the stabilizing bar 15 , and the operating platform 19 is disposed at one end of the lower frame 1 close to the crossbeam 17 .

[0048] Specifically, the operating platform 19 is connected to the stabilizing rod 15, that is, the operating platform 19 is fixed by the stabilizing rod 15, and the operating platform 19 is arranged at one end of the lower frame 1 close to the crossbeam 17, so as to facilitate the placement of the pulley block 4 in the operating platform 19. Further, the operating platform 19 includes a panel and a guardrail surrounding the operating platform 19.

[0049] In some embodiments, the lowering rack 1 further includes a ladder 18 , and the ladder 18 is connected to the stabilizing bar 15 .

[0050] Specifically, the lowering frame 1 further comprises a ladder 18, and the ladder 18 is attached to the stabilizing bar 15. The operator can use the ladder 18 to go to the operating platform 19.

[0051] In summary, the steel cage lowering assembly 100 provided in the present application is composed of a lowering frame 1 through multiple columns 13 and multiple beams 17, and a lifting ear 2 is arranged on the beam 17 to place 4 pulley blocks, so that the steel cage 8 is pulled by the wire rope 5 through the 4 pulley blocks. The lowering structure is simple, easy to use, has a large bearing capacity and is not easy to deform. It is a good substitute for large lifting equipment and is suitable for use in the lowering process of the steel cage during bridge construction.

[0052] On the other hand, Figure 3 As shown, an embodiment of the present application provides a reinforcement cage lowering device 1000, comprising the above-mentioned reinforcement cage lowering assembly 100 and a winch 3.

[0053] Specifically, for example, the device includes a lowering frame 1, which is composed of a plurality of columns 13 and a plurality of beams 17. Four columns 13 are usually provided, and the cross section surrounded by the four columns 13 is a square. A beam 17 is provided at one end of the column 13, and the beam 17 connects two adjacent columns 13, and the beams 17 are arranged face to face. Preferably, two beams 17 are provided, and the beams 17 and the columns 13 are connected by a detachable structure, and the single column 13 is also connected by a detachable structure, so as to facilitate the control of the height of the beam 17. Further, the column 13 is arranged vertically to the placement surface, and the beam 17 is arranged parallel to the placement surface, that is, the column 13 and the beam 17 are arranged vertically. At the same time, the beam 17 is provided with a lifting lug 2, and the lifting lug 2 is used to place the pulley block 4. The beam 17 and the lifting lug 2 are connected by a detachable structure, and the lifting lug 2 and the pulley block 4 are usually connected by a detachable structure. The pulley block 4 assembly generally includes a fixed pulley 41, a movable pulley 42, and a guide wheel. The fixed pulley 41 is suspended on the lifting lug 2, and the movable pulley 42 is connected to the lower part of the fixed pulley 41 by a steel wire. One end of the first steel wire rope 51 is connected to the hoist 3, and the other end passes around the fixed pulley 41 provided by the hoist 3. Thus, under the action of the hoist 3, the movable pulley 42 is driven to rise and fall, thereby lifting or lowering the steel cage 8 to be moved. At the same time, the movable pulley 42 and the steel cage 8 are connected by a second steel wire rope 52. The diameter of the second steel wire rope 52 is larger than that of the first steel wire rope 51. During use, the lowering frame 1 is installed and fixed on the drilling platform, and then the steel cage 8 is transferred to the steel cage lowering frame 1 by the crawler crane, the movable pulley 42 is connected to the steel cage 8 through the second steel wire rope 52, the crawler crane hook is released, and then the steel cage 8 is lowered to the top of the drilling platform and connected to the next section of the steel cage 8, and then it continues to be lowered until it is completed under the last section of the steel cage 8.

[0054] In summary, the steel cage lowering device 1000 provided in the present application is composed of a lowering frame 1 through multiple columns 13 and multiple beams 17, and a lifting ear 2 is arranged on the beam 17 to place 4 pulley blocks, so that the steel cage 8 is pulled by the wire rope 5 through the 4 pulley blocks. The lowering structure is simple, easy to use, has a large bearing capacity and is not easy to deform. It is a good substitute for large lifting equipment and is suitable for use in the lowering process of the steel cage in bridge construction.

[0055] That is to say, before the scheme is connected with the next section of the steel cage 8 through the pulley group 4, the upper section of the steel cage 8 is temporarily fixed on the drilling platform through the lowering frame 1, which can ensure the smooth progress of the construction. The shelving device has the advantages of simple structure, large load-bearing capacity, not easy to deform, and assembled installation and disassembly. It is a good substitute for ordinary shoulder beams and is suitable for use in the extension and lowering process of the steel cage 8 of the bored pile foundation of large-scale cross-sea bridge projects.

[0056] Through the description of the above embodiments, those skilled in the art can easily understand that the example embodiments described herein can be implemented by hardware.

[0057] Those skilled in the art should understand that the scope of disclosure involved in this application is not limited to the technical solutions formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the aforementioned disclosed concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in this application.

[0058] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0059] 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.

[0060] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art in the technical field of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. Terms such as "setting" and the like appearing in this article may indicate that one component is directly attached to another component, or that one component is attached to another component through an intermediate. Features described in this article in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in the other embodiment or otherwise specified.

[0061] The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the described embodiments. It can be understood by those skilled in the art that more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of the protection claimed by the utility model.

Claims

1. A steel cage lowering assembly (100), characterized in that: include: A lowering rack (1), the lowering rack (1) being provided with a plurality of upright posts (13) and a plurality of cross beams (17), the upright posts (13) being arranged in a vertical direction, a cross beam (17) being arranged at one end of the upright posts (13), the cross beam (17) being used to connect two adjacent upright posts (13), and the cross beam (17) being arranged in a horizontal direction; The crossbeam (17) is provided with a lifting lug (2), and the lifting lug (2) is used to place a pulley block (4).

2. The steel cage lowering assembly (100) according to claim 1, characterized in that: The lower rack (1) further comprises a base (11), the other end of the upright column (13) being connected to the base (11), and the base (11) being a frame formed by connecting a plurality of steel materials end to end.

3. The steel cage lowering assembly (100) according to claim 1, characterized in that: The lifting ear (2) comprises an ear plate (21), the ear plate (21) and the cross beam (17) are welded together, and the ear plate (21) is provided with a through hole, which is an ear hole (23).

4. The steel cage lowering assembly (100) according to claim 3, characterized in that: The hanging ear (2) further comprises a pasting plate (22), the pasting plate (22) and the ear plate (21) are welded and connected, and the pasting plate (22) is arranged on both sides of the through hole in the through direction.

5. The steel cage lowering assembly (100) according to claim 3, characterized in that: The lifting ear (2) further comprises a stiffening plate (24), the ear plate (21) and the cross beam (17) are connected via the stiffening plate (24), and the stiffening plates (24) are arranged on both sides of the through-hole in the through-hole direction.

6. The steel cage lowering assembly (100) according to claim 1, characterized in that: The lower rack (1) further comprises a stabilizing rod (15), wherein the stabilizing rod (15) is used to connect two adjacent upright posts (13), and the stabilizing rod (15) comprises at least one or more of the following: an inclined rod (152) and a horizontal rod (151).

7. The steel cage lowering assembly (100) according to claim 2, characterized in that: The base (11) comprises an extension portion, and the extension portion is connected to the column (13) via a scissor brace (14).

8. The steel cage lowering assembly (100) according to claim 6, characterized in that: The lowering frame (1) further comprises: an operating platform (19), the operating platform (19) being connected to the stabilizing rod (15), and the operating platform (19) being arranged at one end of the lowering frame (1) close to the crossbeam (17).

9. The steel cage lowering assembly (100) according to claim 6, characterized in that: The lowering rack (1) further comprises: a ladder (18), wherein the ladder (18) is connected to the stabilizing rod (15).

10. A steel cage lowering device, characterized in that: It comprises a steel cage lowering assembly (100) as described in any one of claims 1 to 9 and a winch (3).

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