A lifting and transporting device for steel spring precast slab

Abstract

The utility model discloses a kind of hoisting and transporting devices for steel spring precast slab in the technical field of urban rail transit engineering, to solve the problem that hoisting tool needs to repeatedly install and disassemble work in prior art, and disassembly process is more cumbersome.It includes lifting ring and precast slab, precast slab is equipped with outer tube, lifting ring bottom is equipped with central shaft, central shaft outer wall is equipped with fixed hook and rotary hook, rotary hook is below fixed hook, outer tube inner wall is equipped with blocking plate, blocking plate is equipped with through slot for passing through rotary hook;The utility model only needs to pass through rotary hook through slot and place in the below of blocking plate, then rotate rotary hook, so that blocking plate plays a blocking role for rotary hook, can drive blocking plate to move through lifting ring, to drive outer tube and precast slab to hoist and transport work, simplify the disassembly work between outer tube and rotary hook, ensure the working efficiency of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of hoisting and transporting device for steel spring prefabricated slab, belong to urban rail transit engineering technical field. BACKGROUND

[0002] The prefabricated slab type monolithic track bed is currently the development trend of subway track bed, which is a new track structure form to meet the requirements of train operation safety, smoothness and stability, and aesthetic appearance, and can greatly improve the laying quality of urban rail transit engineering track. Urban rail transit is also developing towards factory production and transportation, mechanized assembly construction in track area, and convenient maintenance and repair. Steel spring prefabricated slab is used in special damping section of track engineering, and its production needs to be carried out in prefabrication plant. It is hoisted and transported to construction site, and then laid on construction site through hoisting, transportation and hoisting. The commonly used hoisting tool in the site has low efficiency and safety in repeated installation and disassembly.

[0003] In the prior art, when hoisting and transporting steel spring prefabricated slab, the hoisting tool is usually connected and fixed to the steel spring prefabricated slab by bolts, and then hoisting and transporting are carried out. The hoisting tool needs to be repeatedly installed and disassembled, and the disassembly process is complicated, which affects the working efficiency of the device. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a hoisting and transporting device for steel spring prefabricated slab, which solves the problem that in the prior art, when hoisting and transporting steel spring prefabricated slab, the hoisting tool is usually connected and fixed to the steel spring prefabricated slab by bolts, and then hoisting and transporting are carried out. The hoisting tool needs to be repeatedly installed and disassembled, and the disassembly process is complicated.

[0005] To solve the above technical problems, the utility model is implemented by using the following technical scheme:

[0006] The utility model provides a kind of hoisting and transporting device for steel spring prefabricated slab, including lifting ring and prefabricated slab, the prefabricated slab is equipped with outer tube, the lifting ring bottom is equipped with center shaft, the center shaft outer wall is equipped with fixed hook and rotating hook, the rotating hook is located below the fixed hook, the outer tube inner wall is equipped with blocking plate, the blocking plate is equipped with the through slot for passing through the rotating hook.

[0007] Further, the outer tube inner wall is equipped with support plate below the blocking plate.

[0008] Further, the fixed hook is provided with a first limiting hole, the rotating hook is provided with a second limiting hole, and the rotating hook is located on one side of the blocking plate when the first limiting hole is aligned with the second limiting hole.

[0009] Further, the first limiting hole and the second limiting hole are detachably connected with the same limiting pin.

[0010] Further, the rotating hook is fixedly connected with the central shaft.

[0011] Further, the fixed hook is rotatably connected with the central shaft.

[0012] Further, the distance between the fixed hook and the rotating hook is greater than the thickness of the blocking plate.

[0013] Further, a plurality of supporting blocks are arranged between the lifting ring and the central shaft.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The lifting and transporting device for the steel spring prefabricated slab is simple in structure, convenient in operation, and low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a three-dimensional structure schematic diagram of a lifting and transporting device for a steel spring prefabricated slab according to the embodiment of the utility model;

[0017] Fig. 2 is a three-dimensional structure schematic diagram of a lifting and transporting device for a steel spring prefabricated slab according to the embodiment of the utility model;

[0018] Fig. 3 is a three-dimensional structure schematic diagram of a lifting and transporting device for a steel spring prefabricated slab according to the embodiment of the utility model;

[0019] In the drawing: 1, lifting ring; 2, fixed hook; 3, rotating hook; 4, first limiting hole; 5, central shaft; 6, outer cylinder; 7, blocking plate; 8, supporting plate; 9, second limiting hole; 10, through slot; 11, supporting block. DETAILED DESCRIPTION

[0020] The utility model is further described below with reference to the drawings. The following examples are only used to make the technical scheme of the utility model clearer, and cannot be used to limit the protection scope of the utility model.

[0021] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0022] In the description of the utility model, it needs to be understood that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As Figs. 1-3 The utility model provides a kind of hoisting and transporting device for steel spring prefabricated slab, including lifting ring 1 and prefabricated slab, the prefabricated slab is equipped with outer cylinder 6, the bottom of lifting ring 1 is equipped with center shaft 5, the outer wall of center shaft 5 is equipped with fixed hook 2 and rotary hook 3, the rotary hook 3 is located below fixed hook 2, the inner wall of outer cylinder 6 is equipped with blocking plate 7, the blocking plate 7 is equipped with through slot 10 for passing through rotary hook 3.

[0024] Specifically, when the precast slab needs to be lifted and transported, first, the lifting ring 1 and the central shaft 5 are moved to drive the fixed hook 2 and the rotating hook 3 to move, and the rotating hook 3 is moved above the outer cylinder 6 and aligned with the through slot 10, and then the rotating hook 3 is inserted through the through slot 10, so that the rotating hook 3 is below the blocking plate 7, and the fixed hook 2 is above the blocking plate 7, the lifting ring 1 is rotated to drive the fixed hook 2 and the rotating hook 3 to rotate, so that the rotating hook 3 is not aligned with the through slot 10, at this time, the blocking plate 7 can block the rotating hook 3, and the fixed hook 2 and the rotating hook 3 are respectively connected with the two sides of the blocking plate 7, so as to further limit the relative position of the outer cylinder 6 and the lifting ring 1, and then the lifting wire rope can be inserted through the lifting ring 1, and the outer cylinder 6 and the precast slab are lifted and transported by pulling the lifting ring 1, when the transportation is completed, the lifting ring 1 is rotated, the rotating hook 3 is aligned with the through slot 10 again, and the rotating hook 3 is taken out from below the blocking plate 7, so as to facilitate the next work; the lifting ring 1, the rotating hook 3 and the blocking plate 7 cooperate, when the precast slab needs to be lifted and transported, only the rotating hook 3 needs to be inserted through the through slot 10 and placed below the blocking plate 7, and then the rotating hook 3 is rotated, so that the blocking plate 7 blocks the rotating hook 3, and the lifting ring 1 drives the blocking plate 7 to move, thereby driving the outer cylinder 6 and the precast slab to lift and transport, which simplifies the disassembly and assembly work between the outer cylinder 6 and the rotating hook 3, and ensures the working efficiency of the device.

[0025] In an embodiment, a support plate 8 is arranged below the blocking plate 7 on the inner wall of the outer cylinder 6, when the rotating hook 3 is inserted through the through slot 10, the support plate 8 can position the rotating hook 3, ensure that the fixed hook 2 is above the blocking plate 7, thereby facilitating the adjustment of the position of the rotating hook 3, and the rotating hook 3 can rotate 360° through the rotating central shaft, so as to effectively embed below the blocking plate 7.

[0026] As shown in Figs. 1-2 In an embodiment, a first limiting hole 4 is arranged on the fixed hook 2, a second limiting hole 9 is arranged on the rotating hook 3, when the first limiting hole 4 is aligned with the second limiting hole 9, the rotating hook 3 is located on one side of the blocking plate 7, and the same limiting pin is detachably connected between the first limiting hole 4 and the second limiting hole 9, the rotating hook 3 is fixedly connected with the central shaft 5, and the fixed hook 2 is rotatably connected with the central shaft 5.

[0027] Specifically, when the lifting ring 1 needs to be fixed with the position of the outer cylinder 6, first, the rotating hook 3 is inserted through the through slot 10, at this time, the fixed hook 2 is located above the blocking plate 7, at this time, the fixed hook 2 does not move, the lifting ring 1 and the center shaft 5 are rotated, thereby driving the rotating hook 3 to rotate, so that the rotating hook 3 is rotated to below the blocking plate 7, when the first limiting hole 4 is aligned with the second limiting hole 9, the rotating hook 3 stops rotating, and the limiting pin (not shown in the figure) is inserted into the first limiting hole 4 and the second limiting hole 9 to limit, the position of the fixed hook 2 and the rotating hook 3 is fixed, the rotation angle of the rotating hook 3 is limited through the fixed hook 2, and the relative position of the rotating hook 3 and the blocking plate 7 is prevented from deviating, thereby ensuring the stability of the prefabricated plate and the outer cylinder 6 during lifting and transportation; optionally, the lifting ring 1 is made of Q235B material, and is used for lifting the prefabricated plate, and the lifting wire rope is connected with the lifting ring 1 through buckles; the fixed hook 2 and the rotating hook 3 are made of Q235B material, and the thickness ranges from 15mm to 20mm; the fixed hook 2 and the rotating hook 3 have a clearance of not less than 30mm; the center shaft 5 is made of 45# hot-rolled round steel, has a diameter of 100mm and a length of 150mm; and the first limiting hole 4 and the second limiting hole 9 have a hole diameter of 12mm.

[0028] In an embodiment, the distance between the fixed hook 2 and the rotating hook 3 is greater than the thickness of the blocking plate 7, so as to ensure that the fixed hook 2 and the rotating hook 3 are respectively located on both sides of the blocking plate 7 during work, thereby avoiding affecting the adjustment work of the rotating hook 3; and a plurality of supporting blocks 11 are arranged between the lifting ring 1 and the center shaft 5, thereby ensuring the stability of the connection between the lifting ring 1 and the center shaft 5.

[0029] The above only describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a plurality of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A lifting and transporting device for steel spring precast slabs, characterized in that, The device includes a lifting ring (1) and a precast slab. The precast slab is provided with an outer cylinder (6). The bottom of the lifting ring (1) is provided with a central shaft (5). The outer wall of the central shaft (5) is fitted with a fixed hook (2) and a rotating hook (3). The rotating hook (3) is located below the fixed hook (2). The inner wall of the outer cylinder (6) is matched with a barrier plate (7). The barrier plate (7) is provided with a through groove (10) for the rotating hook (3) to pass through.

2. The lifting and transporting device for steel spring precast slabs according to claim 1, characterized in that, The inner wall of the outer cylinder (6) is provided with a support plate (8) below the barrier plate (7).

3. The lifting and transporting device for steel spring precast slabs according to claim 1, characterized in that, The fixed hook (2) has a first limiting hole (4), and the rotating hook (3) has a second limiting hole (9). When the first limiting hole (4) and the second limiting hole (9) are aligned, the rotating hook (3) is located on one side of the barrier plate (7).

4. The lifting and transporting device for steel spring precast slabs according to claim 3, characterized in that, The first limiting hole (4) and the second limiting hole (9) are detachably connected by the same limiting pin.

5. The lifting and transporting device for steel spring precast slabs according to claim 1, characterized in that, The rotating hook (3) is fixedly connected to the central shaft (5).

6. The lifting and transporting device for steel spring precast slabs according to claim 1, characterized in that, The fixed hook (2) is rotatably connected to the central shaft (5).

7. The lifting and transporting device for steel spring precast slabs according to claim 1, characterized in that, The distance between the fixed hook (2) and the rotating hook (3) is greater than the thickness of the barrier plate (7).

8. The lifting and transporting device for steel spring precast slabs according to claim 1, characterized in that, Multiple support blocks (11) are provided between the lifting ring (1) and the central shaft (5).

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