Self-balancing multipurpose hanging beam

Abstract

The utility model discloses a self-balancing multipurpose hanging beam which comprises a rotary hanging ring and a hanging beam body. The lower portion of the rotary lifting ring is connected with a lifting beam, inverted-U-shaped sliding ways are arranged at the two ends of the lifting beam, ropes slide on the sliding ways, and the two ends of the two ropes are correspondingly connected with four lifting points of a workpiece through shackles. The rotary lifting ring is fixed on the lifting beam through the pin shaft, and after the rotary lifting ring is separated from the lifting beam, the rotary lifting ring can be independently used for lifting; when a stator or a rotor is hoisted, four hoisting points are adopted for hoisting, the hoisting beam can rotate around the rotary hoisting ring, and the rope can freely slide in the slide way, so that errors existing in the spatial positions of the four hoisting points are made up, and the hoisting beam can reach a self-balancing state and is not influenced by the gravity center position of a hoisted workpiece; the device has the advantages of exquisite and compact structure, easiness in manufacturing, lower cost, convenience in operation, good economical efficiency and practicability and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a self-balancing multi-purpose hanging beam. Background Art

[0002] Crane hoisting equipment is needed during the installation and maintenance of the wind power test platform. The working conditions involved in the wind power test platform include cabin hoisting, motor installation and maintenance, coupling hoisting, loading device installation, motor stator, rotor, main shaft turning, etc. All hoisting operations are carried out by lifting the crane beam. Generally, the hoisting beam is affected by the center of gravity of the hoisted workpiece and has a tilt problem.

[0003] The patent with the authorization announcement number CN203451045U discloses a multi-purpose self-balancing hanging beam, comprising a crossbeam (1), double lifting ears (2) are arranged on the left and right sides of the bottom of the crossbeam (1), pulley blocks (3) are arranged on the left and right sides of the top of the crossbeam (1), and a steel wire rope (4) is arranged on the pulley block (3). The crossbeam can automatically find the center of gravity through the slight slip of the steel wire rope, but it does not have a rotation function, which makes it inconvenient for the workpiece to change direction. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a self-balancing multi-purpose hanging beam, which can reach a self-balancing state and is not affected by the center of gravity position of the hoisted workpiece. It has the advantages of exquisite and compact structure, easy manufacturing, low cost, convenient operation, good economy and practicality, etc., and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-balancing multi-purpose hanging beam, comprising a rotating hanging ring and a hanging beam; the lower part of the rotating hanging ring is connected to the hanging beam, and both ends of the hanging beam are provided with an inverted U-shaped slideway, and ropes slide on the slideway, and both ends of the two ropes are connected to the four hanging points of the workpiece through shackles.

[0006] Preferably, the rotating lifting ring includes two relatively arranged lifting plates, the two lifting plates are connected to two lifting forks through a rotating shaft, the two lifting forks are plugged with a hook beam, the hook beam is rotatably matched with the lifting ring, the upper end of the lifting ring is threadedly connected to the hook nut, a bearing is provided between the hook nut and the hook beam, and the lifting ring is connected to the lifting beam through a pin shaft.

[0007] Preferably, the slideway comprises a U-shaped plate, the U-shaped plate is welded to the end of the suspension beam, and arc-shaped baffles are provided on both end surfaces of the U-shaped plate, and the two arc-shaped baffles and the U-shaped plate form a semi-annular groove.

[0008] Preferably, the distance between the two arc-shaped baffles is greater than the diameter of the rope.

[0009] Preferably, a motor for driving the lifting ring to rotate is also provided between the two lifting forks.

[0010] Preferably, the pin shaft passes through two opposite side plates of the suspension beam, and a shaft end retaining ring is provided at the end of the pin shaft.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the rotating lifting ring is fixed on the hanging beam by a pin shaft, and after the rotating lifting ring and the hanging beam are separated, the rotating lifting ring can be used alone for lifting; when lifting the stator or rotor, four lifting points are used for lifting, and the lifted part has a non-completely symmetrical structure, and there is a deviation in the weight, and there are errors in the horizontal and high positions of the centers of the four lifting points. The hanging beam can rotate around the rotating lifting ring to overcome the unbalanced force caused by the asymmetry on both sides of the stator; the rope can slide freely on the slide to compensate for the errors in the spatial positions of the four lifting points, and the hanging beam will reach a self-balancing state, which will not be affected by the center of gravity position of the hoisted workpiece; it has the advantages of exquisite and compact structure, easy manufacturing, low cost, convenient operation, good economy and practicality, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a cross-sectional view of the AA structure of the utility model;

[0014] Figure 3 This is a cross-sectional view of the BB structure of the utility model;

[0015] Figure 4 It is a top view of the hanging beam of the utility model.

[0016] In the figure: 1 rotating lifting ring, 1.1 lifting plate, 1.2 lifting hook nut, 1.3 lifting fork, 1.4 pin shaft, 1.5 lifting ring, 1.6 lifting hook beam, 1.7 bearing, 1.8 rotating shaft, 2 lifting beam, 2.1 slideway, 2.2 arc baffle, 2.3 U-shaped plate, 3 rope, 4 shackle. DETAILED DESCRIPTION

[0017] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0018] See also Figure 1-4The utility model provides a technical solution: a self-balancing multi-purpose hanging beam, comprising a rotating hanging ring 1 and a hanging beam 2; the lower part of the rotating hanging ring 1 is connected to the hanging beam 2, and both ends of the hanging beam 2 are provided with an inverted U-shaped slideway 2.1, and the slideway 2.1 slides with a rope 3, and both ends of the two ropes 3 are connected to the four hanging points of the workpiece through a shackle 4;

[0019] Specifically, the rotating lifting ring 1 includes two hanging plates 1.1 arranged opposite to each other, the two hanging plates 1.1 are connected to two lifting forks 1.3 through a rotating shaft 1.8, the two lifting forks 1.3 are plugged with a hook beam 1.6, the hook beam 1.6 is rotatably matched with a lifting ring 1.5, the upper end of the lifting ring 1.5 is threadedly connected to a hook nut 1.2, a bearing 1.7 is arranged between the hook nut 1.2 and the hook beam 1.6, and the lifting ring 1.5 is connected to the lifting beam 2 through a pin 1.4;

[0020] It can be understood that the rotating lifting ring 1 is fixed to the hanging beam 2 by the pin 1.4. After the rotating lifting ring 1 and the hanging beam 2 are separated, the rotating lifting ring 1 can be used alone for lifting; when lifting the stator or rotor, four lifting points are used for lifting. Usually, the stator or rotor is a non-completely symmetrical structure, there is a deviation in weight, and there are errors in the horizontal and high positions of the centers of the four lifting points. The hanging beam 2 can rotate around the rotating lifting ring 1 to overcome the force imbalance caused by the asymmetry of the two sides of the stator or rotor, and can also meet the requirements for changing the direction of the workpiece; the rope 3 can slide freely on the slide 2.1 to compensate for the errors in the spatial positions of the four lifting points. The hanging beam 2 will reach a self-balancing state, which is not affected by the center of gravity position of the hoisted workpiece, has a simple structure, and can also be disassembled and used alone. Rotating lifting ring;

[0021] Furthermore, the slideway 2.1 includes a U-shaped plate 2.3, which is welded to the end of the suspension beam 2. Both end surfaces of the U-shaped plate 2.3 are provided with arc-shaped baffles 2.2, and the two arc-shaped baffles 2.2 and the U-shaped plate 2.3 form a semi-annular groove, and the distance between the two arc-shaped baffles 2.2 is greater than the diameter of the rope 3, so as to limit the rope 3 to slide in the semi-annular groove, thereby avoiding the problem of lateral movement of the rope 3;

[0022] Furthermore, a motor for driving the lifting ring 1.5 to rotate is provided between the two lifting forks 1.3, and the external motor is used to drive the rotating lifting ring 1 to rotate, replacing manual operation;

[0023] Furthermore, the pin shaft 1.4 passes through two opposite side plates of the suspension beam 2, and an end of the pin shaft 1.4 is provided with an axis end retaining ring to prevent the axis of the pin shaft 1.4 from moving.

[0024] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended to include all changes that fall within the meaning and scope of equivalent elements in the content of the present invention.

Claims

1. A self-balancing multi-purpose hanging beam, characterized in that: The invention comprises a rotating lifting ring (1) and a lifting beam (2); the lower part of the rotating lifting ring (1) is connected to the lifting beam (2); both ends of the lifting beam (2) are provided with an inverted U-shaped slideway (2.1); ropes (3) slide on the slideway (2.1); both ends of the two ropes (3) are connected to four lifting points of the workpiece via shackles (4).

2. A self-balancing multi-purpose hanging beam according to claim 1, characterized in that: The rotating lifting ring (1) comprises two hanging plates (1.1) arranged opposite to each other, the two hanging plates (1.1) are connected to two lifting forks (1.3) via a rotating shaft (1.8), the two lifting forks (1.3) are plugged with a lifting hook beam (1.6), the lifting hook beam (1.6) is rotatably matched with a lifting ring (1.5), the upper end of the lifting ring (1.5) is threadedly connected to a lifting hook nut (1.2), a bearing (1.7) is provided between the lifting hook nut (1.2) and the lifting hook beam (1.6), and the lifting ring (1.5) is connected to the lifting beam (2) via a pin shaft (1.4).

3. A self-balancing multi-purpose hanging beam according to claim 1, characterized in that: The slideway (2.1) comprises a U-shaped plate (2.3), the U-shaped plate (2.3) being welded to the end of the suspension beam (2), arc-shaped baffles (2.2) being provided at both end surfaces of the U-shaped plate (2.3), and the two arc-shaped baffles (2.2) and the U-shaped plate (2.3) forming a semi-annular groove.

4. A self-balancing multi-purpose hanging beam according to claim 3, characterized in that: The distance between the two arc-shaped baffles (2.2) is greater than the diameter of the rope (3).

5. A self-balancing multi-purpose hanging beam according to claim 2, characterized in that: A motor for driving the lifting ring (1.5) to rotate is also provided between the two lifting forks (1.3).

6. A self-balancing multi-purpose hanging beam according to claim 2, characterized in that: The pin shaft (1.4) passes through two opposite side plates of the suspension beam (2) respectively, and a shaft end retaining ring is provided at the end of the pin shaft (1.4).

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