Engine lifting appliance for helicopter

Abstract

The utility model relates to an engine lifting appliance for a helicopter, which comprises a main shaft, connecting plates, first lifting belts, second lifting belts, first lifting rings and second lifting rings, the left end and the right end of the main shaft are vertically and detachably provided with one connecting plate, and the upper end and the lower end of each connecting plate are respectively provided with one first lifting ring. The upper ends of the two connecting plates are fixedly connected with the two ends of a first lifting belt through first lifting rings correspondingly, and a buckle is arranged in the middle of the first lifting belt and used for forming a rope loop in the middle of the first lifting belt. The balance point of the whole lifting appliance can be adjusted by adjusting the size and the position of the rope loop through the buckle, the helicopter engine can be kept horizontal by adjusting the balance point, the lower end of the connecting plate is connected with the second lifting belt through the first lifting ring, and the second lifting ring is arranged at the bottom end of the second lifting belt. And the helicopter can be quickly repaired.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting tools, and specifically relates to an engine lifting tool for a helicopter. Background Art

[0002] During the daily maintenance and regular inspection of a helicopter, it is necessary to inspect and maintain the engine or the regular inspection and maintenance of other parts on the aircraft is affected by the engine on the aircraft. In order to facilitate the development of regular inspection and maintenance work, it is necessary to disassemble and lift the engine to the ground. The shape of a helicopter engine is irregular and the force is uneven, so the engine is prone to tilt during hoisting, which is not convenient for hoisting the engine. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an engine lifting tool for a helicopter aiming at the above deficiencies.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An engine lifting tool for a helicopter, including a main shaft, a connecting plate, a first lifting belt, a second lifting belt, a first lifting ring and a second lifting ring. A connecting plate is vertically and detachably arranged at each of the left and right ends of the main shaft. A first lifting ring is arranged at the upper end and the lower end of each connecting plate, and the upper ends of the two connecting plates are respectively fixedly connected with the two ends of the first lifting belt through the first lifting rings. A buckle is arranged in the middle of the first lifting belt. The buckle is used to form a rope loop for connecting an external crane in the middle of the first lifting belt, and a triangular stable structure is formed between the left and right sides of the first lifting belt and the main shaft;

[0006] By adjusting the size and position of the rope loop through the buckle, the balance point of the entire lifting tool can be adjusted. By adjusting the balance point, the helicopter engine can be kept horizontal. The lower end of the connecting plate is connected with the second lifting belt through the first lifting ring. Second lifting rings are arranged at the bottom ends of the second lifting belts. The second lifting rings are used to connect the lifting lugs on the helicopter engine.

[0007] Further, the left and right ends of the main shaft penetrate through a connecting plate respectively. Threads are arranged at both ends of the main shaft. Fixed heads are threadedly connected to the threaded parts at both ends of the main shaft. The fixed heads are used to fix the connecting plates.

[0008] After the utility model adopts the above technical solutions, compared with the prior art, it has the following advantages:

[0009] The utility model has a simple structure, is convenient to carry, easy to master and use, and is convenient for quickly repairing a helicopter; by setting the buckle and the rope loop, adjusting the size and position of the rope loop can change the balance point of the lifting tool, and by adjusting the balance point, the helicopter engine can be kept horizontal, which is convenient for hoisting.

[0010] The present utility model will be described in detail below with reference to the accompanying drawings and embodiments. Description of the Drawings

[0011] Figure 1 is the front view of the present utility model;

[0012] Figure 2 is a schematic diagram of the connection structure between the main shaft and the connecting plate;

[0013] Figure 3 is a schematic diagram of the connection structure between the connecting plate and the first lifting ring.

[0014] In the drawings, the list of components represented by each reference numeral is as follows:

[0015] 1, main shaft; 2, connecting plate; 3, first lifting belt; 4, second lifting belt; 5, first lifting ring; 6, second lifting ring; 7, buckle; 8, rope loop; 9, fixed head. Specific Embodiments

[0016] The principles and features of the present utility model will be described below with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.

[0017] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0018] As Figures 1 - 3 shown, a hoist for a helicopter engine includes a main shaft 1, a connecting plate 2, a first lifting belt 3, a second lifting belt 4, a first lifting ring 5 and a second lifting ring 6. A connecting plate 2 is vertically and detachably arranged at both the left and right ends of the main shaft 1. A first lifting ring 5 is arranged at each of the upper and lower ends of the connecting plate 2. The upper ends of the two connecting plates 2 are respectively fixedly connected to both ends of the first lifting belt 3 through the first lifting rings 5. A buckle 7 is arranged in the middle of the first lifting belt 3. The buckle 7 is used to form a rope loop 8 for connecting an external crane in the middle of the first lifting belt 3. A triangular stable structure is formed between the left and right sides of the first lifting belt 3 and the main shaft;

[0019] Adjusting the size and position of the rope loop 8 through the buckle 7 can adjust the balance point of the entire sling. By adjusting the balance point, the helicopter engine can be kept horizontal. The lower end of the connecting plate 2 is connected to the second lifting belt 4 through the first lifting ring 5. Second lifting rings 6 are provided at the bottom ends of the second lifting belts 4, and the second lifting rings 6 are used to connect the lifting lugs on the helicopter engine.

[0020] As an implementation manner, both the left and right ends of the main shaft 1 penetrate through a connecting plate 2. Threads are provided at both ends of the main shaft 1, and fixing heads 9 are threadedly connected to the threaded parts at both ends of the main shaft 1. The fixing heads 9 are used to fix the connecting plate 2.

[0021] The working process of the present utility model: First, connect the two second lifting rings 6 to the two lifting lugs of the helicopter engine, then hang the rope loop 8 on the external hook, and lift the helicopter engine by the external crane to make the engine leave the ground. If the engine is tilted after leaving the ground, lower the engine and adjust the position of the buckle 7 and the lengths of the two hypotenuses forming the triangle according to the tilting direction, so as to change the balance point of the sling and the size of the rope loop 8. Lift the engine again. If the engine continues to tilt, lower the engine and continue to change the position of the buckle and the lengths of the two hypotenuses forming the triangle until the engine is no longer tilted. Record the position of the rope loop 8 at this time. Next time when hoisting, only need to adjust the rope loop 8 to the same position to directly hoist.

[0022] The above is an example of the best implementation manner of the present utility model. The parts not described in detail are all common general knowledge of those of ordinary skill in the art. The protection scope of the present utility model is subject to the content of the claims. Any equivalent transformation based on the technical inspiration of the present utility model is also within the protection scope of the present utility model.

Claims

1. An engine sling for a helicopter, characterized in that, It includes a main shaft (1), a connecting plate (2), a first lifting belt (3), a second lifting belt (4), a first lifting ring (5) and a second lifting ring (6). Connecting plates (2) are vertically and detachably arranged at both the left and right ends of the main shaft (1). One first lifting ring (5) is arranged at each of the upper and lower ends of the connecting plate (2). The upper ends of the two connecting plates (2) are respectively fixedly connected to both ends of the first lifting belt (3) through the first lifting rings (5). A buckle (7) is arranged in the middle of the first lifting belt (3). The buckle (7) is used to form a rope loop (8) for connecting an external crane in the middle of the first lifting belt (3). A triangular stable structure is formed between the left and right sides of the first lifting belt (3) and the main shaft (1). By adjusting the size and position of the rope loop (8) through the buckle (7), the balance point of the entire lifting tool can be adjusted. By adjusting the balance point, the helicopter engine can be kept horizontal. The lower end of the connecting plate (2) is connected to the second lifting belt (4) through the first lifting ring (5). Second lifting rings (6) are arranged at the bottom ends of the second lifting belts (4). The second lifting rings (6) are used to connect the lifting lugs on the helicopter engine.

2. The engine sling for a helicopter according to claim 1, wherein, Both the left and right ends of the main shaft (1) penetrate through a connecting plate (2). Threads are arranged at both ends of the main shaft (1). Fixed heads (9) are threadedly connected to the threaded parts at both ends of the main shaft (1). The fixed heads (9) are used to fix the connecting plates (2).

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