CN223575928U - Tower crane frame - Google Patents

Abstract

The utility model belongs to the technical field of tower crane hanging frames and discloses a hanging frame for a tower crane, which comprises a base, wherein the upper surface of the base is fixedly connected with a fixing frame, the upper surface of the fixing 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, and the side surface of the base is provided with four convex blocks. According to the utility model, the base and the extension plates are arranged, so that when a small-size article is lifted, the lifting can be performed through the sling and the hooks on the lower surface of the base, when a large-size article is required to be lifted, the extension plates are unfolded, and the traction ropes and the hooks on the four extension plates are used for performing multi-point lifting, so that the lifting is more stable, and the device is more flexible to use by arranging the extension plates and the base.

Description

Tower crane frame

Technical Field

The utility model belongs to the technical field of tower crane hangers, and particularly relates to a hanger for a tower crane.

Background

The hanging bracket for the tower crane is important auxiliary equipment of the tower crane in the construction process, is mainly used for lifting various building materials, equipment and the like, can safely and stably lift heavy objects from the ground to a high-place operation position, improves the construction efficiency, can adapt to materials with different shapes, sizes and weights, and meets the lifting requirements of construction site diversification.

Most of the existing hanging frames are provided with one hanging hook, when objects with small volume and weight are lifted, a single hanging hook can be used for directly lifting, when objects with large volume and weight are lifted, for example, orderly cement or bundled steel bars are stacked on a tray, at the moment, the objects can be inclined only through one hanging hook, and a great amount of time is consumed for replacing the hanging frames, so that the hanging frames are slow to pull.

Disclosure of utility model

In order to solve the problems, the utility model aims to provide a hanger for a tower crane.

In order to achieve the above purpose, the utility model provides a hanger for a tower crane, which comprises a base, wherein the upper surface of the base is fixedly connected with a fixing frame, the upper surface of the fixing frame is connected with a steel rope, 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 convex blocks, one side of each of the four convex blocks is provided with an extension plate, the extension plates are provided with traction ropes and hooks, and the upper surface of the base is provided with a retraction assembly.

In one example, one side of the extension board is rotatably connected with a rotating rod, the rotating rod is located at the corner of the upper side of the extension board, the rotating rod is fixedly connected with the protruding block, the connecting position is located at the corner of the upper surface of the protruding block, and a square through groove is formed in the extension board.

In one example, the upper surface of the extension plate is fixedly connected with two risers, one side of one riser is fixedly connected with a first servo motor, a main shaft of the first servo motor is fixedly connected with a winding rod, the traction rope is wound on the winding rod, and the traction rope penetrates through the square through groove.

In one example, the upper surface of base fixed connection bracing piece, the upper surface fixed connection extension board of bracing piece, fixed connection montant between extension board and the base, receive and release subassembly is located the extension board below.

In an example, receive and release subassembly includes the sliding seat, sliding seat and montant sliding connection, the montant runs through the sliding seat, be equipped with four square grooves on the extension board, the lateral wall fixed connection round bar in square groove, be connected with four stay ropes on the sliding seat, the round bar is walked around to the stay rope, four stay ropes respectively with four extension board fixed connection.

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

The hanger for the tower crane provided by the utility model has the following beneficial effects:

Firstly, through setting up base and extension board, when handling small-size article, can carry out the handling through hoist cable and couple of base lower surface this moment, when need handling large-scale article, release the extension board, make extension board and base level, the extension board is expanded, support extension board one side in one side of lug this moment, later carry out the multiple spot position handling through haulage rope and couple on four extension boards, make the handling more firm, through setting up extension board and base, make the device use more nimble;

Second, through setting up and receive and release the subassembly, when needing to pack up the extension board, the second servo motor drives the threaded rod and rotates this moment, and control sliding seat downwardly moving, sliding seat decline in-process, through stay cord pulling extension board upwards rotation, can not cause blocking to the handling, when needs use, the second servo motor drives the threaded rod and reverses, and the sliding seat upwards moves, and under the action of gravity, the extension board downwardly rotating becomes the level, carries out the multiple spot handling to great article, simple structure, convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

In the drawings:

Fig. 1 is a schematic structural view of a hanger for a tower crane according to the present utility model.

Fig. 2 is a schematic cross-sectional view of a hanger for a tower crane according to the present utility model.

Fig. 3 is a schematic structural view of a retraction assembly of a hanger for a tower crane.

Fig. 4 is a schematic structural view of an extension board of a hanger for a tower crane according to the present utility model.

1, A base, 2, a fixing frame, 3, a steel rope, 4, a sling, 5, a hook, 6, a lug, 7, an extension board, 8, a retraction assembly, 81, a sliding seat, 82, a round rod, 83, a pull rope, 9, a rotating rod, 10, a vertical board, 11, a first servo motor, 12, a retraction rod, 13, a traction rope, 14, a support rod, 15, a support board, 16, a vertical rod, 17, a second servo motor, 18 and a threaded rod.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the utility model provides a hanger for a tower crane, which comprises a base 1, wherein the upper surface of the base 1 is fixedly connected with a fixing frame 2, the upper surface of the fixing frame 2 is connected with a steel cable 3, the lower surface of the base 1 is fixedly connected with a sling 4, the lower end of the sling 4 is provided with a hook 5, the side surface of the base 1 is provided with four convex blocks 6, one side of each of the four convex blocks 6 is provided with an extension board 7, the extension boards 7 are provided with a traction rope 13 and the hook 5, the upper surface of the base 1 is provided with a retraction assembly 8, one side of the extension board 7 is rotatably connected with a rotating rod 9, the rotating rod 9 is positioned at the corner of the upper side of the extension board 7, the rotating rod 9 is fixedly connected with the convex blocks 6, the connecting position is positioned at the corner of the upper surface of the convex blocks 6, the extension board 7 is provided with square through grooves, the steel cable 3 is connected with the tower crane, at this moment, lifting can be carried out through the sling 4 and the hook 5 on the lower surface of the base 1, the extension plate 7 is folded by the folding and unfolding assembly 8 at this moment, the extension plate 7 is in a vertical state and cannot block lifting, when large objects need to be lifted, such as cement stacked on a tray and the like, at this moment, single-hook lifting is used, large shaking easily occurs, the extension plate 7 is released by the folding and unfolding assembly 8 at this moment, the extension plate 7 and the base 1 are enabled to be horizontal, the extension plate 7 is unfolded, at this moment, one side of the extension plate 7 is propped against one side of the convex block 6, the extension plate 7 is supported, and then multi-point lifting is carried out through the traction ropes 13 on the four extension plates 7 and the hook 5, so that lifting is firmer, and the device is more flexible to use through the extension plate 7 and the base 1.

As shown in fig. 4, two risers 10 are fixedly connected to the upper surface of the extension board 7, one side of one riser 10 is fixedly connected with a first servo motor 11, a spindle of the first servo motor 11 is fixedly connected with a winding rod 12, a traction rope 13 is wound on the winding rod 12, the traction rope 13 passes through a square through groove, when the extension board 7 is not needed, the first servo motor 11 is started at this time to drive the winding rod 12 to rotate, the traction rope 13 is wound in a winding manner, the hook 5 is close to the square through groove, the traction rope 13 is prevented from swinging and winding everywhere, and the traction rope 13 is released for lifting in use.

As shown in fig. 2 and 3, the upper surface of the base 1 is fixedly connected with the supporting rod 14, the upper surface of the supporting rod 14 is fixedly connected with the supporting plate 15, a vertical rod 16 is fixedly connected between the supporting plate 15 and the base 1, the retraction assembly 8 is located below the supporting plate 15, the retraction 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 formed in the supporting plate 15, the side wall of each square groove is fixedly connected with a round rod 82, four pull ropes 83 are connected to the sliding seat 81, the pull ropes 83 bypass the round rods 82, the four pull ropes 83 are fixedly connected with the four extension plates 7 respectively, the upper surface of the supporting plate 15 is fixedly connected with a second servo motor 17, a main shaft of the second servo motor 17 is fixedly connected with a threaded rod 18, the threaded rod 18 penetrates through the sliding seat 81 and is in threaded connection with the sliding seat 81, when the extension plates 7 need to be retracted, the second servo motor 17 drives the threaded rod 18 to rotate, the sliding seat 81 is controlled to move downwards, the sliding seat 81 is pulled to rotate upwards through the pull ropes 83, and when the sliding seat 81 is required to be used, the second reversing motor 17 drives the gravity to move downwards, the sliding seat 18 is moved downwards under the action of the sliding seat, and the sliding seat is changed into a horizontal position, and the lifting structure is more convenient to be more convenient to swing.

When the small-size article is lifted, the second servo motor 17 drives the threaded rod 18 to rotate, the sliding seat 81 is controlled to move downwards, in the descending process of the sliding seat 81, the extension plate 7 is pulled to rotate upwards through the pull rope 83, the first servo motor 11 is started to drive the winding rod 12 to rotate, the winding traction rope 13 is enabled to enable the hook 5 to approach the square through groove, the lifting rope 4 on the lower surface of the base 1 is used for lifting the hook 5, when the large-size article is required to be lifted, the second servo motor 17 drives the threaded rod 18 to rotate reversely, the sliding seat 81 moves upwards, the extension plate 7 rotates downwards to be horizontal under the action of gravity, the first servo motor 11 is started to release the traction rope 13, and the four hooks 5 below the four extension plates 7 are lifted at multiple points.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (6)

1. The utility model provides a gallows for tower crane, its characterized in that, including base (1), the upper surface fixed connection mount (2) of base (1), cable wire (3) are connected to the upper surface of mount (2), lower fixed surface connection hoist cable (4) of base (1), couple (5) are installed to the lower extreme of hoist cable (4), the side of base (1) is equipped with four lug (6), and one side of four lug (6) all is equipped with extension board (7), all is provided with haulage rope (13) and couple (5) on extension board (7), the upper surface of base (1) is equipped with receive and releases subassembly (8).

2. The hanger for a tower crane according to claim 1, wherein one side of the extension plate (7) is rotatably connected with a rotating rod (9), the rotating rod (9) is positioned at an upper corner of the extension plate (7), the rotating rod (9) is fixedly connected with the protruding block (6), the connecting position is positioned at a corner of the upper surface of the protruding block (6), and a square through groove is formed in the extension plate (7).

3. The hanger for a tower crane according to claim 2, wherein the upper surface of the extension plate (7) is fixedly connected with two risers (10), one side of one of the risers (10) is fixedly connected with a first servo motor (11), a main shaft of the first servo motor (11) is fixedly connected with a winding rod (12), the traction rope (13) is wound on the winding rod (12), and the traction rope (13) passes through the square through groove.

4. The hanger for a tower crane according to claim 1, wherein the upper surface of the base (1) is fixedly connected with a supporting rod (14), the upper surface of the supporting rod (14) is fixedly connected with a supporting plate (15), a vertical rod (16) is fixedly connected between the supporting plate (15) and the base (1), and the retraction assembly (8) is positioned below the supporting plate (15).

5. The hanger for a tower crane according to claim 4, wherein the retraction 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 formed in the support plate (15), round rods (82) are fixedly connected to the side walls of the square grooves, four pull ropes (83) are connected to the sliding seat (81), the round rods (82) are bypassed by the pull ropes (83), and the four pull ropes (83) are fixedly connected with the four extension plates (7) respectively.

6. The hanger for a tower crane according to claim 5, wherein the upper surface of the support plate (15) is fixedly connected with a second servo motor (17), a main shaft of the second servo motor (17) is fixedly connected with a threaded rod (18), and the threaded rod (18) penetrates through the sliding seat (81) and is in threaded connection with the sliding seat (81).