In-pipe supporting tool

By designing an in -supporting worker in the tube of the holding department and the adjustable supporting support seat, the problem of difficulty in using the lumbar plate support work in the existing technology is solved, and the stable support and adaptability to install the screw in different sizes is realized.

CN222405422UActive Publication Date: 2025-01-28NANJING HIGH ACCURATE MARINE EQUIP CO LTD
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Patent Information

Application Number
CN202421038380.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-01-28
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

The existing waist-shaped plate support tooling is difficult to use during the installation of stern tube bearings, and has poor applicability, making it difficult to adapt to installation screws of different sizes.

Method used

A kind of supporting worker in the tube is designed, including the clamping department and the supporting seat. The clamping part is composed of the top holder and the lower clip holder. The support seat can adjust the distance to adapt to the tube of the inner diameter.

Benefits of technology

The internal support of the tube can uniformly support the installation screw, prevent its offset, improve the stability and safety of the installation, and apply to different sizes of pipes, which enhances practicality.

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Abstract

The utility model belongs to the technical field of ship manufacturing, and discloses an in-pipe supporting tool. The in-pipe supporting tools are uniformly arranged on the mounting screw rod in the length direction of the mounting screw rod, each in-pipe supporting tool comprises a clamping part and a supporting seat, the clamping part comprises an upper clamping block and a lower clamping block, the mounting screw rod is arranged between the upper clamping block and the lower clamping block in a penetrating manner, and the upper clamping block and the lower clamping block are connected through a bolt so as to clamp the mounting screw rod; the lower clamping block and the supporting base are arranged on the supporting base in the mode that the distance between the lower clamping block and the supporting base is adjustable, and the end, in the stress direction of the installation screw, of the supporting base abuts against the inner wall of the stern tube. The in-pipe supporting tool is simple in structure, convenient to install, capable of evenly supporting all positions of the installation screw rod in the length direction and preventing the situation that the installation screw rod deviates from the axis of the stern tube due to the fact that the two ends of the installation screw rod are large in stress, suitable for stern tubes with different inner diameters, wide in application range and high in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of shipbuilding, in particular to an in-pipe supporting tool. Background Art

[0002] During the installation of the stern tube bearing, it is necessary to use a mounting screw and a press tool to install the bearing into the stern tube. During the entire installation process, it is necessary to ensure that when the two ends of the mounting screw passing through the stern tube are subjected to force, the axis of the mounting screw can still remain in the same straight line as the axis of the stern tube, thereby reducing the non-axial pressure on the bearing to prevent damage or deformation of the bearing, thereby ensuring the subsequent safe operation of the entire shaft system.

[0003] In the existing installation process, a waist-shaped plate is usually used to support the installation screw passed through the stern tube to prevent the installation screw from bending and deforming under its own weight and external force; however, the existing waist-shaped plate support tooling needs to be connected to the installation screw thread using a lifting tool, which makes disassembly and assembly difficult, and the specifications of ordinary waist-shaped plates are fixed, and their applicability is poor. Utility Model Content

[0004] The utility model aims to provide an in-tube support tooling which can be suitable for mounting screw supports in different stern tubes and has a simple structure and is easy to install.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides an in-pipe support tooling, which is evenly arranged on the mounting screw rod along the length direction of the mounting screw rod, comprising:

[0007] A clamping portion, the clamping portion comprising an upper clamping block and a lower clamping block, the upper clamping block abuts against the inner wall of the stern tube, a mounting screw is passed through the upper clamping block and the lower clamping block, and the upper clamping block and the lower clamping block are connected by bolts to clamp the mounting screw;

[0008] A support seat, wherein the lower clamping block is arranged on the support seat with an adjustable distance therebetween, and one end of the support seat away from the clamping portion abuts against the inner wall of the stern tube.

[0009] Preferably, a first arc-shaped groove is formed on the upper clamping block, and an inner wall of the first arc-shaped groove abuts against the mounting screw.

[0010] Preferably, a second arc-shaped groove is formed on the lower clamping block, and an inner wall of the second arc-shaped groove abuts against the mounting screw.

[0011] Preferably, flexible pads are provided on the inner walls of the first arc-shaped groove and the second arc-shaped groove.

[0012] Preferably, a second arc-shaped groove is formed on the lower clamping block, and an inner wall of the second arc-shaped groove abuts against the mounting screw.

[0013] Preferably, flexible pads are provided on the inner walls of the first arc-shaped groove and the second arc-shaped groove.

[0014] Preferably, the support seat has rounded corners at the abutment position with the inner wall of the stern tube.

[0015] Preferably, the upper clamping block has rounded corners at the abutment position with the inner wall of the stern tube.

[0016] Preferably, the clamping portion and the supporting seat are both made of nylon material.

[0017] The beneficial effects of the utility model are:

[0018] The utility model provides an in-pipe support tooling, since the upper clamping block is connected to the lower clamping block by bolts, and the mounting screw rod is arranged and penetrated between the upper clamping block and the lower clamping block, the upper clamping block and the lower clamping block can clamp the mounting screw rod from opposite sides, and the spacing between the upper clamping block and the lower clamping block can be adjusted by screwing the bolts, so as to clamp and fix mounting screw rods of different sizes; since the lower clamping block is arranged on the support seat, and since the end of the support seat along the force direction of the mounting screw rod abuts against the inner wall of the stern tube, the support seat can apply a supporting force to the mounting screw rod in the opposite direction to the external force applied to the mounting screw rod, so as to The mounting screw rod passed through the upper clamping block and the lower clamping block is stably supported and fixed; since the in-tube support tooling is evenly arranged on the mounting screw rod along the length direction of the mounting screw rod, it can evenly support the mounting screw rod at various locations along the length direction, preventing the mounting screw rod from being offset from the stern tube axis due to large forces at both ends, thereby greatly reducing the probability of bearing damage; since the spacing between the lower clamping block and the support seat is adjustable, the in-tube support tooling can be used in stern tubes with different inner diameters by adjusting the distance between the lower clamping block and the support seat, thereby further improving the scope of use of the in-tube support tooling and enhancing its practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the in-pipe support tooling provided by a specific implementation method of the utility model.

[0020] In the figure:

[0021] 1-clamping part; 11-upper clamping block; 12-lower clamping block;

[0022] 2-Support seat. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, 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 intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] In the description of this embodiment, the terms "upper", "lower", "right", "left" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0027] like Figure 1As shown, the utility model provides an in-tube support tooling, a plurality of the in-tube support toolings are evenly arranged on the mounting screw along the length direction of the mounting screw, the in-tube support tooling comprises a clamping portion 1 and a support seat 2, the clamping portion 1 comprises an upper clamping block 11 and a lower clamping block 12, the mounting screw is passed through the upper clamping block 11 and the lower clamping block 12, the upper clamping block 11 and the lower clamping block 12 are connected by bolts to clamp the mounting screw; the lower clamping block 12 is arranged on the support seat 2 with an adjustable distance therebetween, and the end of the support seat 2 away from the clamping portion 1 rests against the inner wall of the stern tube. In this embodiment, since the upper clamping block 11 is connected to the lower clamping block 12 by bolts, and the mounting screw is arranged and passed between the upper clamping block 11 and the lower clamping block 12, the upper clamping block 11 and the lower clamping block 12 can clamp the mounting screw from opposite sides, and the distance between the upper clamping block 11 and the lower clamping block 12 can be adjusted by screwing the bolts, so as to clamp and fix mounting screws of different sizes; since the lower clamping block 12 is arranged on the support seat, and since the end of the support seat 2 along the force direction of the mounting screw abuts against the inner wall of the stern tube, the support seat 2 can apply a supporting force to the mounting screw in the opposite direction to the external force applied to the mounting screw, thereby The mounting screw rod passed between the upper clamping block 11 and the lower clamping block 12 is stably supported and fixed; since the in-tube support tooling is evenly arranged on the mounting screw rod along the length direction of the mounting screw rod, it is possible to evenly support the mounting screw rod at various locations along the length direction, thereby preventing the mounting screw rod from being offset from the stern tube axis due to greater forces at both ends, thereby greatly reducing the probability of bearing damage; since the spacing between the lower clamping block 12 and the support seat 2 is adjustable, the in-tube support tooling can be used in stern tubes with different inner diameters by adjusting the distance between the lower clamping block 12 and the support seat 2, thereby further improving the scope of use of the in-tube support tooling and enhancing its practicability. Specifically, a threaded hole is provided on the upper clamping block 11, and a threaded hole is also provided on the lower clamping block 12 at a position opposite to the threaded hole on the upper clamping block 11. The bolts are threadedly connected to the threaded holes on the upper clamping block 11 and the lower clamping block 12 in turn, thereby connecting the upper clamping block 11 with the lower clamping block 12 to clamp and fix the mounting screw passing therebetween. In addition, a threaded hole for connecting with the lower clamping block 12 is also provided on the support seat 2, and a threaded hole is also provided on the lower clamping block 12 at a position opposite to the threaded hole on the support seat 2. The bolts are threadedly connected to the threaded holes on the lower clamping block 12 and the support seat 2 in turn, thereby fixing the lower clamping block 12 on the support seat 2, and the distance between the support seat 2 and the lower clamping block 12 can be adjusted by screwing the bolts.

[0028] Furthermore, if Figure 1As shown, the upper clamping block 11 is provided with a first arc groove, and the inner wall of the first arc groove is in contact with the mounting screw. In this embodiment, the upper clamping block 11 is provided with a first arc groove, and the first arc groove can increase the contact area between the upper clamping block 11 and the mounting screw, thereby enhancing the stability of the mounting screw support.

[0029] Specifically, Figure 1 As shown, the lower clamping block 12 is provided with a second arc groove, and the inner wall of the second arc groove is in contact with the mounting screw. In this embodiment, the lower clamping block 12 is provided with a second arc groove, and the first arc groove can increase the contact area between the upper clamping block 11 and the mounting screw, thereby enhancing the stability of the mounting screw support; specifically, when the clamping portion 1 is not provided with a mounting screw, the upper clamping block 11 and the lower clamping block 12 are connected by bolts, and the positions of the first arc groove and the second arc groove correspond to each other, and the two can enclose to form a complete cylindrical space.

[0030] Specifically, flexible pads are provided on the inner walls of the first arc groove and the second arc groove. In this embodiment, flexible pads made of rubber or sponge are provided on the inner walls of the first arc groove and the second arc groove, which can absorb and buffer vibrations, thereby preventing the clamping part 1 from damaging the mounting screw during the clamping process.

[0031] Furthermore, the support seat 2 has rounded corners at the abutment position against the inner wall of the stern tube. In this embodiment, the support seat 2 is a rectangular parallelepiped structure, and a threaded hole is provided on one surface of the support seat 2 to connect with the clamping portion 1; the two side edges of the support seat 2 away from the clamping portion 1 are rounded, so as to fit with the inner wall of the stern tube; specifically, when installing the in-tube support fixture, the in-tube support fixture is first evenly arranged on the mounting screw along the length direction of the mounting screw, and then the mounting screw is inserted into the stern tube. The rounded corners at the abutment position between the support seat 2 and the inner wall of the stern tube can reduce the friction between the support seat 2 and the inner wall of the stern tube, thereby reducing the difficulty of installation.

[0032] Furthermore, the clamping part 1 and the support seat 2 are both made of nylon material. In this embodiment, the nylon material is high in strength and light in weight, which can significantly reduce the deadweight of the in-tube support tooling while ensuring stable support for the installation screw.

[0033] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. The in-pipe support fixture is evenly arranged on the mounting screw along the length direction of the mounting screw, characterized in that: include: A clamping portion (1), the clamping portion (1) comprising an upper clamping block (11) and a lower clamping block (12), a mounting screw rod passing through the upper clamping block (11) and the lower clamping block (12), the upper clamping block (11) and the lower clamping block (12) being connected by bolts to clamp the mounting screw rod; A support seat (2), wherein the lower clamping block (12) is arranged on the support seat (2) at an adjustable distance from the support seat (2), and the end of the support seat (2) along the force-bearing direction of the mounting screw rod abuts against the inner wall of the stern tube.

2. The in-pipe support tooling according to claim 1, characterized in that: The upper clamping block (11) is provided with a first arc-shaped groove, and the inner wall of the first arc-shaped groove is in contact with the mounting screw.

3. The in-pipe support tooling according to claim 2, characterized in that: The lower clamping block (12) is provided with a second arc-shaped groove, and the inner wall of the second arc-shaped groove is in contact with the mounting screw.

4. The in-pipe support tooling according to claim 3, characterized in that: Flexible pads are arranged on the inner walls of the first arc-shaped groove and the second arc-shaped groove.

5. The in-pipe support tooling according to claim 1, characterized in that: The support seat (2) has a rounded corner at the position where it abuts against the inner wall of the stern tube.

6. The in-pipe support tooling according to any one of claims 1 to 5, characterized in that: The clamping portion (1) and the supporting seat (2) are both made of nylon material.