CN218313315U - Heavy-duty nut side dismounting device - Google Patents

Abstract

What the utility model proposes is a heavy-duty nut side dismounting device. It includes a fixed assembly and a rotating assembly; the fixed assembly has a fixed plate, and a rolling bearing is clamped between the two fixed plates, and the array of rolling bearings wraps the rotating assembly; the rotating assembly includes a rotating plate and a locking fixture, and the rotating assembly is connected by a locking fixture Heavy-duty nuts, rotating components and fixed components rotate through circumferentially arranged rolling bearings. The fixed component includes a fixed plate and a rolling bearing; an array of rolling bearings is inlaid between the two fixed plates, and the rolling bearing is clamped between the fixed plates through a fixed shaft and a nut. The rotating disc is a ring clamped between the two fixed discs, the inner side is arrayed with locking fixtures, and the outer side is in rolling contact with the rolling bearings arrayed between the two fixing discs, and the rolling bearings wrap and limit the rotating disc. The utility model wraps the rotating disk through the rolling bearing of the fixed disk, and solves the weight problem that cannot be reached by manpower by means of a crane. Suitable for use as a heavy-duty nut side dismounting device.

Description

Heavy-duty nut side dismounting device

technical field

The utility model relates to a propeller lock nut in the field of ships, in particular to a side dismounting device for a heavy nut.

Background technique

At present, in the construction of heavy industry, the construction involving special working conditions often requires special process equipment to assist in the completion. For batch construction, supporting special process equipment is valuable, but if the construction does not form a batch Dedicated process equipment will increase the cost, which is generally completed by increasing manpower and time, or reducing the safety factor.

In shipbuilding and construction, the large locking nut at the outer end of the propeller is disassembled laterally during the berth construction stage. Generally, the weight exceeds 150kg, and manual operation is difficult, and there are safety hazards and risks of damage to the nut. The cost of special tooling is relatively high, and the simple roller device The design and use can be specially designed according to the size of the nut, and the cost can be effectively reduced to ensure that the construction risk is controllable.

At present, there are not many working conditions for lateral disassembly and assembly of heavy-duty nuts, and the batches are not large, and no other patents have described this method.

Contents of the invention

In order to be able to solve the problems of side disassembly and assembly of heavy nuts in the prior art, its own heavy weight, many specifications, difficulty in manual construction and high safety risks without professional equipment, the utility model provides a side disassembly of heavy nuts. install the device. The device wraps the rotating disk with rolling bearings on the fixed disk, solving the technical problem of lateral disassembly and assembly of heavy nuts.

The scheme that the utility model solves technical problem adopts is:

The heavy-duty nut side dismounting device includes a fixed assembly and a rotating assembly;

The fixed component has a fixed plate, and a rolling bearing is clamped between the two fixed plates, and the array of rolling bearings wraps the rotating component;

The rotating assembly includes a rotating disk and a locking fixture, the rotating assembly is connected with a heavy nut through the locking fixture, and the rotating assembly and the fixed assembly realize rotation through circumferentially arranged rolling bearings.

In order to further solve the technical problems to be solved by the utility model, the utility model provides that the fixed assembly includes a fixed plate, a lifting lug, a support sleeve, a fixed bolt nut, a rolling bearing, a fixed shaft, a nut and a bolt assembly;

The fixed plate is a ring-shaped plate structure, and the two fixed plates are connected and fixed by the supporting sleeve and the fixing bolt and nut, and the two fixed plates are spaced apart from the supporting sleeve to keep a distance and fixed in the circumferential direction;

Arrayed rolling bearings are installed between the two fixed plates, and the rolling bearings are clamped between the fixed plates through fixed shafts and nuts.

Further, the rotating disc is a ring clamped between the two fixed discs, the inner side is arrayed with locking fixtures, and the outer side is in rolling contact with rolling bearings arrayed between the two fixing discs, and the rolling bearings wrap and define the rotating disc.

Positive effect, because the utility model wraps the rotating disk through the fixed disk connecting the lifting lug and the evenly distributed rolling bearings, and at the same time, the rotating disk is arranged with a locking fixture, so that the heavy nut can be solved by a crane during the lateral disassembly and rotation process. The weight problem can effectively complete the side disassembly and assembly of nuts. The simple roller device for side disassembly and assembly of heavy nuts has a simple structure and is easy to manufacture and use. It is especially suitable for disassembly and assembly of propeller locking nuts in shipbuilding. It is suitable for use as a heavy-duty nut side dismounting device.

Description of drawings

Fig. 1 is a perspective view of the structure of the utility model;

Fig. 2 is a front view of the utility model;

Fig. 3 is A-A partial sectional view among Fig. 2;

Fig. 4 is a partial cross-sectional view of B-B in Fig. 2 .

In the figure, 1. Fixed disc; 2. Rotating disc; 3. Locking fixture, 31. Block, 32. Locking bolt; 4. Lifting lug; 5. Supporting sleeve; 6. Fixing bolt and nut; 7. Rolling bearing; 8. Fixed shaft; 9. Nut; 10. Bolt assembly; 11. Heavy nut.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. In general, the components of the embodiments of the invention described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in the figure, the heavy-duty nut side dismounting device includes a fixed assembly and a rotating assembly;

The fixed component has a fixed plate 1, and a rolling bearing 7 is clamped between the two fixed plates 1, and the rolling bearing 7 in the array wraps the rotating component;

The rotating assembly includes a rotating disk 2 and a locking fixture 3, through which the rotating assembly is coupled with a heavy nut 11, and the rotating assembly and the fixed assembly are rotated through rolling bearings 7 arranged in the circumferential direction.

In order to ensure the stability of the structure of the utility model, the fixed assembly includes a fixed plate 1, a lifting lug 4, a support sleeve 5, a fixed bolt nut 6, a rolling bearing 7, a fixed shaft 8, a nut 9 and a bolt assembly 10;

The fixed disk 1 is a ring-shaped plate structure, and the two fixed disks 1 are connected and fixed by the supporting sleeve 5 and the fixing bolt nut 6, and the two fixed disks 1 are spaced apart from the supporting sleeve 5 to keep a distance and fixed circumferentially;

An array of rolling bearings 7 is installed between the two fixed plates 1, and the rolling bearings 7 are clamped between the fixed plates 1 by a fixed shaft 8 and a nut 9; wherein, the distance between the two sides of the outer edge of the rolling bearings 7 and the fixed plate 1 is 2mm.

In order to further ensure the stability of the structure of the utility model, the fixed shaft 8 is a stepped shaft, and the two ends are provided with external threads and nuts 9 for screw connection, and the shaft diameter in the middle is assembled with a rolling bearing 7; The support is fixed and easy to install.

In order to further ensure the stability of the structure of the utility model, a lifting lug 4 is clamped between the two fixing plates 1, and the lifting lug 4 is connected with the fixing plate 1 through a bolt assembly 10 for connecting a crane lock.

In order to optimize the structure of the utility model, the rotating disk 2 is a ring clamped between the two fixed disks 1, the inner array has locking clamps 3, and the outer side is in rolling contact with the rolling bearing 7 arrayed between the two fixed disks 1. The rolling bearing 7 wraps and defines the rotating disk 2 , and the rotating disk 2 and the fixed disk 1 rotate through the rolling of the rolling bearing 7 .

As a conventional technology option, the thickness of the rotating disk 2 is 2 mm smaller than the gap between the two fixed disks 1, so that when the rotating disk 2 rotates between the two fixed disks 1, there is no obstruction in the axial direction; the outer diameter of the rotating disk 2 is smaller than that of the array The wrapped inner ring formed by the rolling bearing 7 makes the rotating disk 2 rotate smoothly.

In order to further optimize the structure of the utility model, the locking fixture 3 includes a stopper 31 and a locking bolt 32, the stopper 31 is a long strip, and the stopper 31 is vertically connected to the inner side of the ring of the rotating disk 2; Both ends are provided with internal thread assembly locking bolts 32, and the locking bolts 32 pass through the block 31 to clamp and fix the heavy nut in the radial direction.

Preferably, the locking fixtures 3 are arrayed inside the circle of the rotating disk 2 . In this embodiment, four sets of locking fixtures 3 are evenly distributed on the rotating disk 2 .

Preferably, in this embodiment, the support sleeves 5 are evenly distributed in six groups.

Features of the utility model:

The rotating assembly is connected to the heavy-duty nut through the locking fixture 3, and the rotating assembly and the fixed assembly realize the rotation through the rolling bearing 7 arranged in the circumferential direction. During work, it is integrally hoisted to the position of the installation shaft by the lifting lug 4 to realize disassembly and assembly of heavy nuts.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (10)

1. The heavy-duty nut side dismounting device is characterized by: including: a fixed component, the fixed component has a fixed plate (1), and a rolling bearing (7) is clamped between the two fixed plates (1), and the rolling bearing (7) in the array wraps the rotating component; and A rotating assembly, the rotating assembly includes a rotating disk (2) and a locking fixture (3), the rotating assembly is connected to a heavy nut (11) through the locking fixture (3), and the rotating assembly is connected to the The fixed assembly realizes rotation through the rolling bearings (7) arranged in the circumferential direction. 2. The heavy-duty nut side dismounting device according to claim 1, characterized in that: The fixed assembly includes fixed plate (1), lifting lug (4), support sleeve (5), fixed bolt nut (6), rolling bearing (7), fixed shaft (8), nut (9) and bolt assembly ( 10); the fixed plate (1) is a ring-shaped plate structure, the two fixed plates (1) are connected and fixed by the support sleeve (5) and the fixed bolt nut (6), and the two fixed plates (1) The fixed disks (1) are spaced apart from the support sleeve (5) and fixed in the circumferential direction; the rolling bearings (7) are arranged in an array between the two fixed disks (1), and the rolling bearings (7) pass through The fixed shaft (8) and the nut (9) are clamped between the fixed disks (1). 3. The heavy-duty nut side dismounting device according to claim 2, characterized in that: The fixed shaft (8) is a stepped shaft, both ends are provided with external threads and screwed with the nut (9), and the shaft diameter in the middle is equipped with the rolling bearing (7); the fixed shaft (8) traverses the two The fixed plate (1) supports and fixes the rolling bearing (7). 4. The heavy-duty nut side dismounting device according to claim 2, characterized in that: The lifting lug (4) is clamped between the two fixing plates (1), and the lifting lug (4) is connected with the fixing plate (1) through the bolt assembly (10) for connection Crane locks. 5. The heavy-duty nut side dismounting device according to claim 1, characterized in that: The rotating disk (2) is a ring clamped between the two fixed disks (1), the inner array has the locking clamps (3), and the outer and array are located between the two fixed disks (1). The rolling bearing (7) between them is in rolling contact, the rolling bearing (7) wraps and defines the rotating disk (2), and the rotating disk (2) and the fixed disk (1) pass through the rolling bearing (7 ) to rotate. 6. The heavy-duty nut side dismounting device according to claim 2, characterized in that: The thickness of the rotating disk (2) is 2 mm smaller than the gap between the two fixed disks (1); the outer diameter of the rotating disk (2) is smaller than the wrapped inner ring formed by the arrayed rolling bearings (7). 7. The heavy-duty nut side dismounting device according to claim 1, characterized in that: The locking fixture (3) includes a block (31) and a locking bolt (32), the block (31) is a long block, and the block (31) is vertically connected to the rotating disk ( 2) on the inner side of the ring; both ends of the block (31) are provided with internal threads to assemble the locking bolt (32), and the locking bolt (32) passes through the block (31) to lock the The heavy-duty nut (11) is clamped and fixed in the radial direction. 8. The heavy-duty nut side dismounting device according to claim 1, characterized in that: The locking fixtures (3) are arrayed inside the circle of the rotating disk (2). 9. The heavy-duty nut side dismounting device according to claim 8, characterized in that: Four sets of locking fixtures (3) are evenly distributed on the rotating disk (2). 10. The heavy-duty nut side dismounting device according to claim 1, characterized in that: The distance between the two sides of the outer edge of the rolling bearing (7) and the fixed disk (1) is 2mm.

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