Hanging bracket for tower crane

Abstract

The utility model belongs to the technical field of tower crane hanging brackets, and discloses a hanging bracket for a tower crane, which comprises a base, the upper surface of the base is fixedly connected with a fixing bracket, the upper surface of the fixing bracket is connected with a steel cable, the lower surface of the base is fixedly connected with a sling, the lower end of the sling is provided with a hook, and the side surface of the base is provided with four bumps. By arranging the base and the extension plates, when small-size articles are hoisted, hoisting can be carried out through the slings and the hooks on the lower surface of the base, when large-size articles need to be hoisted, the extension plates are unfolded, and multi-point hoisting is carried out through the traction ropes and the hooks on the four extension plates; and through the arrangement of the extension plate and the base, the device is more flexible to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tower crane hanger technical field especially relates to a tower crane hanger. BACKGROUND

[0002] Tower crane hanger is important auxiliary equipment in the construction process of tower crane, and is mainly used for hoisting various building materials and equipment, which can safely and stably lift heavy objects from the ground to a high operating position, improve construction efficiency, and adapt to different shapes, sizes and weights of materials to meet the diversified hoisting needs of construction sites.

[0003] The existing hanger is mostly provided with only one hook, which can directly hoist small and light objects, but when hoisting large and heavy objects such as neatly stacked cement on a tray or bundled steel bars, the object will be inclined only by one hook, and replacing the hanger will consume a lot of time and slow down the efficiency. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above problems, the utility model aims at providing a tower crane hanger.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a tower crane hanger, which comprises a base, the upper surface of the base is fixedly connected with a fixed frame, the upper surface of the fixed frame is connected with a steel cable, the lower surface of the base is fixedly connected with a sling, the lower end of the sling is provided with a hook, the side surface of the base is provided with four protrusions, one side of each of the four protrusions is provided with an extension plate, and the extension plate is provided with a traction rope and a hook, and the upper surface of the base is provided with a folding assembly.

[0006] In one example, one side of the extension plate is rotatably connected with a rotating rod, the rotating rod is located at the upper corner of the extension plate, the rotating rod is fixedly connected with the protrusion, the connecting position is located at the corner of the upper surface of the protrusion, and the extension plate is provided with a square through slot.

[0007] In one example, the upper surface of the extension plate is fixedly connected with two vertical plates, one side of one of the vertical plates is fixedly connected with a first servo motor, the main shaft of the first servo motor is fixedly connected with a winding rod, the traction rope is wound around the winding rod, and the traction rope passes through the square through slot.

[0008] In one example, the upper surface of the base is fixedly connected with a support rod, the upper surface of the support rod is fixedly connected with a support plate, a vertical rod is fixedly connected between the support plate and the base, and the folding assembly is located below the support plate.

[0009] In one example, the retractable assembly comprises a sliding seat, the sliding seat is in sliding connection with a vertical rod, the vertical rod penetrates through the sliding seat, four square grooves are arranged on the support plate, the sidewall of the square groove is fixedly connected with a circular rod, four pull ropes are connected with the sliding seat, the pull ropes pass through the circular rod, and the four pull ropes are fixedly connected with four extension plates respectively.

[0010] In one example, the upper surface of the support plate is fixedly connected with a second servo motor, the main shaft of the second servo motor is fixedly connected with a threaded rod, the threaded rod penetrates through the sliding seat and is in threaded connection with the sliding seat.

[0011] The tower crane hanger provided by the utility model can bring the following beneficial effects:

[0012] Firstly, the base and the extension plate are arranged, when small-size articles are lifted, the lifting cable on the lower surface of the base and the hook can be used for lifting, when large articles are lifted, the extension plate is released, the extension plate is horizontal with the base, the extension plate is unfolded, one side of the extension plate is abutted against one side of the protruding block, the extension plate is supported, then the hook is lifted by the traction ropes on the four extension plates, the lifting is more stable, the base and the extension plate are arranged, the device is more flexible to use.

[0013] Secondly, the retractable assembly is arranged, when the extension plate needs to be retracted, the second servo motor drives the threaded rod to rotate, the sliding seat is controlled to move downwards, the extension plate is pulled upwards by the pull rope in the process of the sliding seat descending, the lifting is not blocked, when the extension plate needs to be used, the second servo motor drives the threaded rod to reverse, the sliding seat moves upwards, the extension plate rotates downwards under the action of gravity, the extension plate is horizontal, the large articles are lifted by multiple points, the structure is simple, and the device is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the utility model, constitute a part of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0015] In the drawings:

[0016] Figure 1 It is a structural schematic view of the tower crane hanger of the utility model.

[0017] Figure 2 It is a sectional structure schematic view of the tower crane hanger of the utility model.

[0018] Figure 3 It is a structural schematic view of the retractable assembly of the tower crane hanger of the utility model.

[0019] Figure 4The utility model discloses a kind of extension plate structures of hanger for tower crane.

[0020] In the drawing: 1, base; 2, fixed frame; 3, steel cable; 4, sling; 5, hook; 6, protruding block; 7, extension plate; 8, folding assembly; 81, sliding seat; 82, round rod; 83, pull rope; 9, rotating rod; 10, vertical plate; 11, first servo motor; 12, winding rod; 13, traction rope; 14, support rod; 15, support plate; 16, vertical rod; 17, second servo motor; 18, threaded rod. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the utility model, the following will be described in detail with the aid of the accompanying drawings.

[0022] As Figures 1-4 shown, the embodiment of the utility model proposes a kind of hanger for tower crane, including base 1, the upper surface of base 1 is fixedly connected with fixed frame 2, the upper surface of fixed frame 2 is connected with steel cable 3, the lower surface of base 1 is fixedly connected with sling 4, the lower end of sling 4 is equipped with hook 5, the side surface of base 1 is equipped with four protruding blocks 6, one side of four protruding blocks 6 is equipped with extension plate 7, extension plate 7 is all provided with traction rope 13 and hook 5, the upper surface of base 1 is equipped with folding assembly 8, one side of extension plate 7 is rotatably connected with rotating rod 9, rotating rod 9 is located at the upper side corner of extension plate 7, rotating rod 9 is fixedly connected with protruding block 6, and the connecting position is located at the corner of the upper surface of protruding block 6, square through slot is equipped on extension plate 7, steel cable 3 is connected with tower crane, at this time, through the sling 4 of the lower surface of base 1 and hook 5, hoisting can be carried out, at this time, folding assembly 8 retracts extension plate 7, and extension plate 7 is in vertical state, will not cause obstruction to hoisting, when the large article, such as cement on pallet, needs to be hoisted, at this time, single-hook hoisting is used, and it is prone to large swing, at this time, folding assembly 8 releases extension plate 7, so that extension plate 7 is horizontal with base 1, and extension plate 7 is unfolded, at this time, one side of extension plate 7 is supported on one side of protruding block 6, and then hoisting is carried out by traction rope 13 on four extension plates 7 and hook 5, so that hoisting is more stable, by being provided with extension plate 7 and base 1, device is more flexible to use.

[0023] As Figure 4 shown, the upper surface of extension plate 7 is fixedly connected with two vertical plates 10, one side of one vertical plate 10 is fixedly connected with first servo motor 11, the main shaft of first servo motor 11 is fixedly connected with winding rod 12, traction rope 13 is wound on winding rod 12, and traction rope 13 passes through square through slot, when not using extension plate 7, at this time, first servo motor 11 is started, drives winding rod 12 to rotate, and winding traction rope 13 makes hook 5 close to square through slot, avoids that traction rope 13 swings and is wound everywhere, and when using, traction rope 13 is released to hoist.

[0024] As Figure 2 With Figure 3 As shown in the drawings, the upper surface of the base 1 is fixedly connected with the support rod 14, the upper surface of the support rod 14 is fixedly connected with the support plate 15, the support plate 15 is fixedly connected with the vertical rod 16 between the base 1, the retractable assembly 8 is located below the support plate 15, the retractable assembly 8 comprises a sliding seat 81, the sliding seat 81 is slidably connected with the vertical rod 16, the vertical rod 16 penetrates through the sliding seat 81, four square grooves are arranged on the support plate 15, the side wall of the square groove is fixedly connected with a round rod 82, four pull ropes 83 are connected with the sliding seat 81, the pull rope 83 is wound around the round rod 82, the four pull ropes 83 are fixedly connected with the four extension plates 7 respectively, the upper surface of the support plate 15 is fixedly connected with the second servo motor 17, the main shaft of the second servo motor 17 is fixedly connected with the threaded rod 18, the threaded rod 18 penetrates through the sliding seat 81 and is threadedly connected with the sliding seat 81, when it is needed to retract the extension plate 7, at this time the second servo motor 17 drives the threaded rod 18 to rotate, the sliding seat 81 is controlled to move downward, in the process of descending of the sliding seat 81, the extension plate 7 is pulled upward by the pull rope 83, when it is needed to use, the second servo motor 17 drives the threaded rod 18 to reverse, the sliding seat 81 moves upward, under the action of gravity, the extension plate 7 rotates downward and becomes horizontal, the structure is simple and convenient to use.

[0025] Working principle: when small volume of goods are hoisted, the second servo motor 17 drives the threaded rod 18 to rotate, the sliding seat 81 is controlled to move downward, in the process of descending of the sliding seat 81, the extension plate 7 is pulled upward by the pull rope 83, the first servo motor 11 is started, the winding rod 12 is driven to rotate, the winding traction rope 13 is retracted, the hook 5 is close to the square through groove, the hoisting can be carried out through the hook 5 and the sling 4 on the lower surface of the base 1, when large goods are hoisted, the second servo motor 17 drives the threaded rod 18 to reverse, the sliding seat 81 moves upward, under the action of gravity, the extension plate 7 rotates downward and becomes horizontal, the first servo motor 11 is started, the traction rope 13 is released, the four hooks 5 below the four extension plates 7 are used for multi-point lifting.

[0026] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0027] The above merely describes the embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of claims of the present application.

Claims

1. A lifting frame for a tower crane, characterized in that, The base (1) is fixedly connected to a fixing frame (2) on its upper surface. A steel cable (3) is connected to the upper surface of the fixing frame (2). A sling (4) is fixedly connected to the lower surface of the base (1). A hook (5) is installed at the lower end of the sling (4). Four protrusions (6) are provided on the side of the base (1). An extension plate (7) is provided on one side of each of the four protrusions (6). A traction rope (13) and a hook (5) are provided on each extension plate (7). A retraction assembly (8) is provided on the upper surface of the base (1).

2. The tower crane support according to claim 1, characterized in that, A rotating rod (9) is rotatably connected to one side of the extension plate (7). The rotating rod (9) is located at the upper corner of the extension plate (7). The rotating rod (9) is fixedly connected to the protrusion (6). The connection position is located at the corner of the upper surface of the protrusion (6). A square through groove is provided on the extension plate (7).

3. A tower crane support according to claim 2, characterized in that, Two vertical plates (10) are fixedly connected to the upper surface of the extension plate (7). A first servo motor (11) is fixedly connected to one side of one of the vertical plates (10). The main shaft of the first servo motor (11) is fixedly connected to a winding rod (12). The traction rope (13) is wound around the winding rod (12) and passes through the square through groove.

4. The tower crane hanger according to claim 1, characterized in that, A support rod (14) is fixedly connected to the upper surface of the base (1), a support plate (15) is fixedly connected to the upper surface of the support rod (14), a vertical rod (16) is fixedly connected between the support plate (15) and the base (1), and the retractable assembly (8) is located below the support plate (15).

5. A tower crane hanger according to claim 4, characterized in that, The retractable assembly (8) includes a sliding seat (81), which is slidably connected to a vertical rod (16). The vertical rod (16) passes through the sliding seat (81). The support plate (15) is provided with four square slots. A round rod (82) is fixedly connected to the side wall of the square slot. Four pull ropes (83) are connected to the sliding seat (81). The pull ropes (83) pass around the round rod (82). The four pull ropes (83) are fixedly connected to four extension plates (7) respectively.

6. A tower crane support according to claim 5, characterized in that, The upper surface of the support plate (15) is fixedly connected to the second servo motor (17), and the spindle of the second servo motor (17) is fixedly connected to the threaded rod (18). The threaded rod (18) passes through the sliding seat (81) and is threadedly connected to the sliding seat (81).

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