CN116873803A - A hoisting mechanism and its wind power device and fully automatic tower crane - Google Patents

Abstract

The application discloses a hoisting mechanism, which belongs to the technical field of hoisting machinery and comprises a high-position anchor point, a steel wire rope and a hoisting unit; the hoisting unit comprises a winch and a hoisting structure, the lower end of the steel wire rope is wound on the winch, the upper end of the steel wire rope is fixed at the high-level anchor point, and the hoisting structure is arranged on the winch; according to the application, the hoisting mechanism, namely the hoisting machine, is directly connected with the heavy object in a manner of replacing the overhead mode of the traditional hoisting mechanism, and the hoisting machine and the heavy object are lifted together through one or more steel wire ropes, so that the construction procedures of many traditional hoisting mechanisms are omitted, such as manually conveying the parts of the hoisting mechanism to a high position, or lifting the parts to a high position by means of other built hoisting mechanisms, or lifting the parts to a high position by means of a hydraulic lifting mechanism step by step, and the construction difficulties are certainly increased by the methods.

Description

A hoisting mechanism and its wind power device and fully automatic tower crane

Technical field

The present application belongs to the technical field of hoisting machinery, and in particular relates to a hoisting mechanism, a wind power device and a fully automatic tower crane using the hoisting mechanism.

Background technique

Lifting mechanism refers to electromechanical equipment used for vertical lifting or vertical lifting and horizontal movement of heavy objects. It generally includes a rack and a lifting mechanism. The rack is erected on the ground, and the lifting mechanism is installed on the top of the rack. The lifting mechanism Lower the rope and wait until the lower end of the rope secures the weight before lifting;

In actual operation, this kind of structure has the problem of difficulty in erecting. For example, offshore wind power devices need to replace the wind turbine accessories after many years of use. Since the core components are installed on the top of the wind power device at an altitude of about 100 meters, the wind turbine accessories are large and heavy. Large, the traditional method is to install a winch on the top of the wind power device, and use the winch to pull up the accessories. However, the winch has a heavy weight and is difficult to transport.

Contents of the invention

One of the purposes of this application is to provide a hoisting mechanism that changes the traditional top-mounted hoisting mechanism. The hoisting mechanism, that is, the hoist in this application, is directly connected to the heavy object, and is connected to the heavy object through one or more steel wire ropes. It lifts itself and the heavy object at the same time, eliminating many traditional lifting mechanism construction processes, such as manually transporting the lifting mechanism parts to a high place, or using other already built lifting mechanisms to lift the parts to a high place, or using hydraulic pressure The lifting mechanism lifts the components to high places step by step. These practices undoubtedly increase the difficulty of construction.

In order to solve the technical problem of difficulty in building a lifting mechanism in the prior art, this application provides a lifting mechanism, which includes a high anchor point, a steel wire rope and a hoisting unit; the high anchor point is set at a high place, and the hoisting unit The unit includes a hoist and a hoisting structure. The lower end of the wire rope is wound around the hoist and the upper end is fixed on the high anchor point. The hoisting structure is installed on the hoist.

Further, this application provides a lifting mechanism, wherein the hoisting structure is one or more of a hook, a manipulator, and a sling.

Further, the application provides a lifting mechanism, which further includes a balance frame, the hoist is installed in the balance frame, a guide wheel is installed on the upper end of the balance frame, and the upper end of the wire rope bypasses the guide The wheel is connected to the high anchor point.

Further, this application provides a lifting mechanism, which further includes a multi-wheel lifting pulley, the multi-wheel lifting pulley is installed on the high anchor point, and the upper end of the wire rope is wound around the multi-wheel lifting pulley. Pulley, the lower end is connected to the winch.

Further, this application provides a lifting mechanism, wherein the multi-wheel lifting pulley includes an upper pulley and a lower pulley, the upper pulley is installed on the high anchor point, and the winch is installed on the lower pulley. , the upper end of the wire rope is wound between the lower pulley and the upper pulley.

Further, the application provides a lifting mechanism, which further includes a guide member, the guide member includes an upper anchor bolt, a lower anchor bolt, a guide wire rope and a guide port opened in the winch, the upper anchor bolt Installed at a high anchor point, the lower anchor bolt is installed on the ground, the lower end of the guide wire rope is connected to the lower anchor bolt, the upper end penetrates the guide opening and is tensioned to the upper anchor bolt.

Further, this application provides a lifting mechanism, which further includes a plurality of pairs of guide rollers, each pair of rollers is installed relatively at the guide opening, and the guide wire rope is clamped on each pair of the guide rollers. between the guide rollers.

The second object of the present application is to provide a wind power device, which is equipped with the above-mentioned lifting mechanism, and the maintenance components can be lifted up only by fixing the upper end of the steel wire rope to the top of the wind power device.

The third purpose of this application is to provide a fully automatic tower crane, which is equipped with the above-mentioned lifting mechanism. It only needs to fix the upper end of the steel wire rope on the top of the tower column to easily hoist heavy objects without the need to use a hydraulic jacking mechanism to lift the lifting mechanism. Step by step, rise to the top of the tower.

Compared with the existing technology, the lifting mechanism provided by this application has the following advantages: instead of changing the traditional lifting method of heavy objects, the hoist is placed at the end of the heavy objects, and the winding action lifts the hoist and the heavy objects together, eliminating the need for traditional The construction process of the lifting mechanism in the lifting mechanism significantly improves work efficiency.

Description of the drawings

Figure 1 is a schematic structural diagram of a first embodiment of a lifting mechanism of the present application;

Figure 2 is a schematic structural diagram of a second embodiment of a lifting mechanism of the present application;

Figure 3 is a schematic diagram of the partial structure of Figure 2;

Figure 4 is a schematic structural diagram of a third embodiment of a lifting mechanism of the present application;

Figure 5 is a schematic structural diagram of the wind power device using a lifting mechanism in this application;

Figure 6 is a schematic structural diagram of a fully automatic tower crane using a lifting mechanism in this application.

Among them: 1. High anchor point; 2. Wire rope; 3. Hoist; 4. Hoisting structure; 5. Upper anchor bolt; 6. Lower anchor bolt; 7. Guide wire rope; 8. Guide opening; 9. Guide roller; 10. Upper pulley; 11. Lower pulley; 12. Balance frame; 13. Guide wheel.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", and "the other end" The indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. They are not intended to indicate or imply that the device or element referred to must have a specific orientation or in a specific manner. orientation construction and operation and therefore should not be construed as limitations of the invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection. , it can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

Example 1

As shown in Figure 1, this embodiment provides a lifting mechanism, including a high anchor point 1, a wire rope 2 and a hoisting unit; the high anchor point 1 is set at a high place, and the hoisting unit includes a hoist 3 and a hoisting unit. Structure 4, the lower end of the wire rope 2 is wound around the hoist 3, and the upper end is fixed on the high anchor point 1. The hoisting structure 4 is installed on the hoist 3; the hoisting structure 4 is a hook, a manipulator, and a sling. One or more of them, this embodiment adopts a hook; in addition, it also includes a balance frame 12, the hoist 3 is installed in the balance frame 12, the upper end of the balance frame 12 is equipped with a guide wheel 13, the steel wire rope 2 The upper end is connected to the high anchor point 1 around the guide wheel 13 .

When items need to be lifted to a high place, only a bracket is set up on the top of the building, the wire rope 2 is transported to the top of the building, the upper end of the wire rope 2 is fixed to the bracket, the lower end is lowered and wound around the winch 3 fixed to the ground, and the items are hung. on the hook, and then turn on the hoist 3. As the hoist 3 operates, it and the weight climb up together.

Example 2

The difference between this embodiment and Embodiment 1 is that a guide member is added, as shown in Figures 2 and 3. The purpose is to enhance the stability of the winch 3. The guide member includes an upper anchor bolt 5, a lower anchor bolt 6, and a guide wire rope 7. And the guide port 8 opened on the winch 3, the upper anchor bolt 5 is fixed on the bracket, the lower anchor bolt 6 is fixed on the ground, the guide wire rope 7 is tensioned between the upper anchor bolt 5 and the lower anchor bolt 6, and the guide wire rope 7 penetrates The above guide port 8; as a preferred solution of this embodiment, several pairs of guide rollers 9 are longitudinally arranged in the guide port 8, and the guide wire rope 7 is clamped between each pair of guide rollers 9; the rest of the structure is the same as in Embodiment 1. No need to go into details.

Example 3

When hoisting heavy items, this embodiment adds a multi-wheel lifting tackle. As shown in Figure 4, the multi-wheel lifting tackle is installed on the high anchor point 1, and the upper end of the steel wire rope 2 is wound around the high anchor point 1. The lower end of the multi-wheel lifting pulley is connected to the hoist 3. The multi-wheel lifting pulley includes an upper pulley 10 and a lower pulley 11. The upper pulley 10 is installed on the high anchor point 1, and the winch 3 is installed On the lower pulley 11, the upper end of the wire rope 2 is wound between the lower pulley 11 and the upper pulley 10; the remaining technical solutions are the same as those in Embodiment 2 and will not be described again here.

As shown in Figure 5, this embodiment also provides a wind power device, which is installed with the lifting mechanism in Embodiment 1; when the wind power device needs to be maintained and replaced in the later stage, a bracket can be set up on the top of the wind power device, and the bracket can be installed along the bracket. A steel wire rope 2 is extended downward, as described in Embodiment 1, thereby lifting the replacement component to the top of the wind power device.

As shown in Figure 6, this embodiment also provides a fully automatic tower crane, which is equipped with the lifting mechanism in Embodiment 1; the fully automatic tower crane provided by this embodiment first erected the tower column, and after the tower column is erected, At the required height, use ground hoisting machinery to build the boom beam of the tower crane around the tower column. Connect the boom beam to the hook of the winch 3. With the operation of the winch 3, the boom beam is lifted to The required height can be set up after manual fixation.

Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the examples, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out. Modifications and equivalent substitutions, without departing from the spirit and scope of the technical solution of the present invention, shall be included in the scope of the claims of the present invention.

Claims (9)

1. A lifting mechanism, characterized in that it includes a high anchor point, a steel wire rope and a hoisting unit; the high anchor point is set at a high place, the hoisting unit includes a hoist and a hoisting structure, and the lower end of the steel wire rope is wound On the hoist, the upper end is fixed on the high anchor point, and the hoisting structure is installed on the hoist. 2. The hoisting mechanism according to claim 1, characterized in that the hoisting structure is one or more of a hook, a manipulator, and a sling. 3. The hoisting mechanism according to claim 1, further comprising a balance frame, the hoist is installed in the balance frame, a guide wheel is installed on the upper end of the balance frame, and the upper end of the steel wire rope bypasses the balance frame. The guide wheel is connected to the high anchor point. 4. The hoisting mechanism according to claim 1, further comprising a multi-wheel lifting pulley, the multi-wheel lifting pulley is installed on the high anchor point, and the upper end of the wire rope is wound around the multi-wheel lifting pulley. The lower end of the lifting pulley is connected to the winch. 5. The hoisting mechanism according to claim 4, characterized in that the multi-wheel lifting trolley includes an upper trolley and a lower trolley, the upper trolley is installed on the high anchor point, and the winch is installed on the Lower pulley, the upper end of the wire rope is wound between the lower pulley and the upper pulley. 6. The hoisting mechanism according to any one of claims 1 to 5, characterized in that it also includes a guide member, and the guide member includes an upper anchor bolt, a lower anchor bolt, a guide wire rope and a guide opening on the hoist. Guide port, the upper anchor bolt is installed on the high anchor point, the lower anchor bolt is installed on the ground, the lower end of the guide wire rope is connected to the lower anchor bolt, the upper end penetrates the guide port and is tensioned and connected to the upper anchor bolt . 7. The hoisting mechanism according to claim 6, further comprising a plurality of pairs of guide rollers, each pair of the rollers being installed opposite the guide opening, and the guide wire rope is clamped on each pair of the guide rollers. between the guide rollers described above. 8. A wind power device, characterized in that the lifting mechanism according to any one of claims 1 to 6 is installed. 9. A fully automatic tower crane, characterized in that the lifting mechanism according to any one of claims 1 to 6 is installed.