CN216235583U - Hoisting structure of large thin-wall ring part - Google Patents

Abstract

The utility model discloses a hoisting structure of a large thin-wall annular part, which comprises a thin-wall part, wherein the thin-wall part is of a hollow cylindrical thin-wall structure, the upper end surface of the thin-wall part is in threaded connection with a hoisting part, and the threaded connection points of the hoisting part and the thin-wall part are uniformly distributed in the circumferential direction of the thin-wall part; the hoisting piece extends out of the hoisting ring along the direction back to the thin-wall piece. By adopting the utility model, the thin-wall part is of a hollow cylindrical thin-wall structure, so that the hoisting part is fixed on the thin-wall part, the hoisting ring is arranged on the hoisting part, the thin-wall part is hoisted by the hoisting ring, the thin-wall part is protected, the deformation of the thin-wall part in the hoisting and carrying process is reduced, and the precision of the thin-wall part is ensured; because the screw joint points of the hoisting piece and the thin-wall piece are uniformly distributed in the circumferential direction of the thin-wall piece, when the hoisting piece is hoisted by the hoisting ring, the thin-wall piece is uniformly stressed, and the thin-wall piece is well protected.

Description

Hoisting structure of large thin-wall ring part

Technical Field

The utility model relates to a hoisting structure, in particular to a hoisting structure of a large thin-wall annular part.

Background

With the development of technology, there is an increasing demand for gearboxes with high torque transmission capability, high power density, low noise and low vibration. The large-scale closed planetary structure gearbox has the characteristics and is widely applied to the fields of ships, nuclear power and the like; the parts have complex structures, high precision requirements, larger size and thinner wall thickness; the large thin-wall rotary part plays an important role in the gear box, and the part is poor in rigidity and easy to deform in the hoisting process due to the fact that the part is thin in wall thickness and large in size.

Disclosure of Invention

The utility model aims to: aiming at the problems that a large thin-wall part in the prior art is poor in rigidity and easy to deform after being lifted, the hoisting structure of the large thin-wall ring-shaped part is provided for preventing the deformation of the thin-wall part.

In order to realize the purpose of the utility model, the utility model provides the following technical scheme:

a hoisting structure of a large thin-wall annular part comprises a thin-wall part, wherein the thin-wall part is of a hollow cylindrical thin-wall structure, the upper end face of the thin-wall part is in threaded connection with a hoisting part, and the threaded connection points of the hoisting part and the thin-wall part are uniformly distributed in the circumferential direction of the thin-wall part; the hoisting piece extends out of the hoisting ring along the direction back to the thin-wall piece.

According to the utility model adopting the technical scheme, the thin-wall part is of a hollow cylindrical thin-wall structure, so that the hoisting part is fixed on the thin-wall part, the hoisting ring is arranged on the hoisting part, the thin-wall part is hoisted by the hoisting ring, the thin-wall part is protected, the deformation of the thin-wall part in the hoisting and carrying process is reduced, and the precision of the thin-wall part is guaranteed; because the screw joint points of the hoisting piece and the thin-wall piece are uniformly distributed in the circumferential direction of the thin-wall piece, when the hoisting piece is hoisted by the hoisting ring, the thin-wall piece is uniformly stressed, and the thin-wall piece is well protected.

Furthermore, the hoisting piece is provided with two flange-shaped connecting parts which are coaxial with the thin-wall piece and are respectively an inner connecting part and an outer connecting part, the size of the outer connecting part is larger than that of the inner connecting part and the thin-wall piece, and the inner connecting part is in threaded connection with the thin-wall piece. The hoisting piece is provided with the inner connecting part and the outer connecting part and is connected with the thin-wall piece through the inner connecting part, and the outer connecting part is larger in size, namely the hoisting piece is larger in size far away from the thin-wall piece, so that the thin-wall piece can be well protected in the circumferential direction, and the circumferential collision of the thin-wall piece is reduced; in addition, the sizes of the two ends of the inner connecting part and the two ends of the outer connecting part of the hoisting part are different, the hoisting part can be applied to different thin-wall parts, the universality of the hoisting part is improved, the two ends of the hoisting part can be connected with the thin-wall parts, and the interchangeability of the hoisting part is improved.

Further, the inner connection part and the outer connection part are connected by an annular inner rib part.

Furthermore, a trapezoidal outer rib part is arranged between the inner connecting part and the outer connecting part, and the outer rib part is also fixed on the inner rib part. The inner rib part is connected with the inner connecting part, the outer connecting part and the outer rib part simultaneously, so that the whole structure of the hoisting piece is firmer and more reliable.

Further, a hoisting piece is also fixed on the lower end face of the thin-wall piece. The lifting pieces are fixed on the upper end face and the lower end face of the thin-wall piece, and the lifting rings are fixed on the lifting pieces, so that the thin-wall piece can be conveniently turned over through the lifting rings, the thin-wall piece is well protected, and the thin-wall piece is prevented from deforming during lifting, namely turning over.

Furthermore, a connecting column is arranged between the two hoisting pieces positioned on the two end faces of the thin-wall piece, and the two hoisting pieces are connected together through the connecting column. The connecting column is connected to the two hoisting pieces simultaneously, so that when the thin-wall piece is overturned, the connecting column can bear the pulling force applied to the thin-wall piece to prevent the thin-wall piece from deforming during overturning, and the rigidity, namely the deformation resistance, of the whole structure is enhanced.

Furthermore, the connecting column is arranged in the cavity structure of the thin-wall part. The gap is reasonably utilized, and the occupation of the peripheral space of the thin-wall part is reduced.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the thin-wall part is of a hollow cylindrical thin-wall structure, so that a hoisting part is fixed on the thin-wall part, the hoisting ring is arranged on the hoisting part, and the thin-wall part is hoisted by the hoisting ring, so that the thin-wall part is protected, the deformation of the thin-wall part in the hoisting and carrying process is reduced, and the precision of the thin-wall part is guaranteed; because the screw joint points of the hoisting piece and the thin-wall piece are uniformly distributed in the circumferential direction of the thin-wall piece, when the hoisting piece is hoisted by the hoisting ring, the thin-wall piece is uniformly stressed, and the thin-wall piece is well protected.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a structural diagram of a hoisting structure of a large thin-walled annular element according to the utility model.

Fig. 2 shows an enlarged detail at a in fig. 1.

FIG. 3 shows a turning structure diagram of a hoisting structure of a large thin-wall annular part of the utility model

Wherein the figures include the following reference numerals:

10. a thin-walled member; 20. hoisting a piece; 21. an inner connection portion; 22. an outer connecting portion; 23. an inner rib portion; 24. an outer rib portion; 25. a hoisting ring; 30. connecting columns.

Detailed Description

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 and 2, the hoisting structure of the large thin-wall annular part comprises a thin-wall part 10, wherein the thin-wall part 10 is a hollow cylindrical thin-wall structure, the upper end surface of the thin-wall part 10 is in threaded connection with a hoisting part 20, and the threaded connection points of the hoisting part 20 and the thin-wall part 10 are uniformly distributed in the circumferential direction of the thin-wall part 10; the sling 20 extends with a lifting ring 25 in a direction away from the thin-walled part 10.

According to the utility model adopting the technical scheme, the thin-wall part 10 is of a hollow cylindrical thin-wall structure, so that the hoisting part 20 is fixed on the thin-wall part 10, the hoisting ring 25 is arranged on the hoisting part 20, the thin-wall part 10 is hoisted by the hoisting ring 25, the thin-wall part 10 is protected, the deformation of the thin-wall part 10 in the hoisting and carrying process is reduced, and the precision of the thin-wall part 10 is ensured; since the screw joints of the hoisting member 20 and the thin-wall member 10 are uniformly distributed in the circumferential direction of the thin-wall member 10, when the hoisting member 20 is hoisted by the hoisting ring 25, the thin-wall member 10 is uniformly stressed, and the thin-wall member 10 is well protected.

Further, the lifting piece 20 is provided with two flange-shaped connecting parts coaxial with the thin-wall piece 10, namely an inner connecting part 21 and an outer connecting part 22, the size of the outer connecting part 22 is larger than that of the inner connecting part 21 and the thin-wall piece 10, and the inner connecting part 21 is in threaded connection with the thin-wall piece 10. The hoisting piece 20 is provided with the inner connecting part 21 and the outer connecting part 22 and is connected with the thin-wall piece 10 through the inner connecting part 21, and the outer connecting part 22 is large in size, namely the hoisting piece 20 is large in size far away from the thin-wall piece 10, so that the thin-wall piece 10 can be well protected in the circumferential direction, and the circumferential collision of the thin-wall piece 10 is reduced.

Further, the inner connection portion 21 and the outer connection are connected by an annular inner rib portion 23.

Furthermore, a trapezoidal outer rib 24 is provided between the inner connecting portion 21 and the outer connecting portion 22, and the outer rib 24 is further fixed to the inner rib 23. The inner rib part 23 is connected with the inner connecting part 21, the outer connecting part 22 and the outer rib part 24 simultaneously, so that the whole structure of the hoisting piece 20 is firmer and more reliable.

Further, a hoisting piece 20 is also fixed on the lower end face of the thin-wall piece 10. The hoisting pieces 20 are fixed on the upper end face and the lower end face of the thin-wall piece 10, and the hoisting rings 25 are fixed on the hoisting pieces 20, so that the thin-wall piece 10 can be conveniently overturned through the hoisting rings 25, the thin-wall piece 10 is well protected, and the thin-wall piece 10 is prevented from deforming during hoisting, namely overturning.

As shown in fig. 3, a connecting column 30 is further disposed between the two lifting members 20 at the two end surfaces of the thin-wall member 10, and the two lifting members 20 are connected together through the connecting column 30.

The connecting column 30 is connected to the two hoisting pieces 20 at the same time, so that when the thin-wall piece 10 is overturned, the connecting column 30 can share the tensile force applied to the thin-wall piece 10 to prevent the thin-wall piece 10 from deforming during overturning, and the rigidity, namely the deformation resistance, of the whole structure is enhanced.

Further, the connecting post 30 is disposed within the cavity structure of the thin wall member 10. The gap is reasonably utilized, and the occupation of the peripheral space of the thin-wall part 10 is reduced.

As shown in fig. 1, the sling 20 in the embodiment of the present invention is a welded part.

The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (7)

1. The hoisting structure of the large thin-wall annular part is characterized by comprising a thin-wall part (10), wherein the thin-wall part (10) is of a hollow cylindrical thin-wall structure, a hoisting part (20) is screwed on the upper end surface of the thin-wall part (10), and the screwed points of the hoisting part (20) and the thin-wall part (10) are uniformly distributed in the circumferential direction of the thin-wall part (10); the hoisting piece (20) extends out of a hoisting ring along the direction back to the thin-wall piece (10).

2. The hoisting structure of the large thin-walled ring member as claimed in claim 1, wherein the hoisting member (20) is provided with two flange-like connecting parts coaxial with the thin-walled member (10), namely an inner connecting part (21) and an outer connecting part (22), the outer connecting part (22) is larger than the inner connecting part (21) and the thin-walled member (10), and the inner connecting part (21) is screwed with the thin-walled member (10).

3. Hoisting structure for large thin-walled ring segments according to claim 2, characterized in that the inner connection (21) and the outer connection are connected by means of an annular inner rib (23).

4. The hoisting structure of large thin-walled ring parts according to claim 3, characterized in that a trapezoidal outer rib part (24) is arranged between the inner connecting part (21) and the outer connecting part (22), and the outer rib part (24) is further fixed on the inner rib part (23).

5. Hoisting structure of large thin-walled ring element according to claim 1, characterized in that hoisting element (20) is also fixed to the lower end surface of the thin-walled element (10).

6. The hoisting structure of the large thin-walled ring part according to claim 5, characterized in that a connecting column (30) is arranged between the two hoisting members (20) on the two end faces of the thin-walled member (10), and the two hoisting members (20) are connected together through the connecting column (30).

7. Hoisting structure of large thin-walled ring elements according to claim 6, characterized in that the connecting column (30) is provided in the cavity structure of the thin-walled element (10).

Images