CN112693577A

CN112693577A - Manufacturing method for carbon steel channel part of ship

Info

Publication number: CN112693577A
Application number: CN202011420838.8A
Authority: CN
Inventors: 陈诚; 鲁德智; 吉李祥; 王晓霞
Original assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Current assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-04-23
Also published as: CN112550633A; CN112158315A

Abstract

The invention discloses a detachable auxiliary device for a manufacturing stage of a ship carbon steel groove-shaped part and a using method thereof. The invention has simple structure and convenient use, can effectively ensure the opening size of the groove-shaped reinforcing piece, ensure the manufacturing precision and the manufacturing progress of the groove-shaped reinforcing piece, reduce the workload of the subsequent process, reduce the rework, and simultaneously reduce the waste of manpower, material resources, pneumatic energy and the like, thereby shortening the ship construction period and improving the ship construction efficiency.

Description

Manufacturing method for carbon steel channel part of ship

This patent is a divisional patent application of patent application 202010362486.9, invented on day 4, month 30, 2020.

Technical Field

The invention relates to the technical field of ship construction, in particular to a manufacturing method of a carbon steel channel piece for a ship.

Background

The common chemical transport ship can only contain five or six varieties of chemicals, and if chemical enterprises need to import a certain raw material in small batches, the marine transport cost is extremely high. With the development of the global chemical industry, the demand for small-lot and multi-variety chemical trades is rapidly increasing, and therefore, a novel chemical ship capable of loading multiple chemicals at one time needs to be developed.

The middle longitudinal bulkhead and the side section are used as one of main structures of the chemical ship body sub-cabins, and the overall precision of the groove section has great influence on subsequent carrying, positioning, assembling, final assembly and other processes. Due to the special performance of the duplex stainless steel, the parent material of the duplex stainless steel is affected by heat or scrap iron pollution every time, groove-shaped butt joint areas are involved in the sections and are groove-shaped parts made of carbon steel, and the poor precision of the body of the carbon steel groove-shaped part affects the construction precision, the final assembly precision and the carrying precision of the subsequent sections. At present, carbon steel channel parts are spliced and manufactured in a small ship building and erecting stage and are formed by splicing 2 to 3 channel parts, the manufacturing precision of the carbon steel channel parts is judged by focusing on the opening size of the channel parts, and if the opening size does not meet the requirement, a large amount of reworking operation needs to be carried out in the next process, so that the segmented building precision and the building period are influenced.

Disclosure of Invention

In view of the above, the present invention provides a detachable auxiliary device for a manufacturing stage of a ship carbon steel trough and a use method thereof, so as to solve the problems in the background art.

A manufacturing method for a carbon steel channel part of a ship adopts a detachable auxiliary device, the device comprises a rotating sleeve, detachable loose stay bars fixed at two ends of the rotating sleeve and a clamping assembly fixed at the end parts of the loose stay bars and used for clamping a channel type reinforcing part, the clamping assembly comprises connecting pieces fixedly connected with the loose stay bars, connecting shafts fixed on the connecting pieces and clamps fixed on the connecting shafts and forming certain included angles with the axes of the connecting shafts, the included angles between the clamps and the axes of the connecting shafts are equal to the bending angles of the channel type reinforcing part, the rotating sleeve comprises a sleeve and screw rods fixed at two end parts of the sleeve, a rotating plug is fixed on the outer end face of the sleeve, and the method specifically comprises the following steps:

s1, measuring the opening size of the groove-shaped reinforcing piece, and adjusting the overall length of the detachable auxiliary device according to the measurement result;

s2, mounting the detachable auxiliary device on the groove-shaped reinforcing piece, enabling the clamp to cling to the groove-shaped reinforcing piece and screwing the locking bolt, and enabling the locking bolt to abut against the plate surface of the groove-shaped reinforcing piece;

and S3, judging whether the measured current opening size of the groove-shaped reinforcing piece is consistent with the design size, if not, inserting the loop bar into the rotary plug of the rotary sleeve, and adjusting the opening size of the groove-shaped reinforcing piece by rotating the rotary sleeve until the design requirement is met.

Preferably, the angle between the clamp and the axis of the connecting shaft is 65 °.

Preferably, the clamp is a U-shaped clamp, and a third through hole for installing a locking bolt is formed in the U-shaped clamp.

Preferably, the end of the locking bolt is provided in a ball shape.

Preferably, the end part of the adjustable stay bar is provided with a first through hole for fixing the connecting piece;

the connecting piece comprises a circular plate and two lug plates vertically fixed on the circular plate, the two lug plates are arranged oppositely, and each lug plate is provided with a second through hole corresponding to the first through hole.

The invention has the beneficial effects that:

the invention has simple structure and convenient use, can effectively ensure the opening size of the groove-shaped reinforcing piece, ensure the manufacturing precision and the manufacturing progress of the groove-shaped reinforcing piece, reduce the workload of the subsequent process, reduce the rework, and simultaneously reduce the waste of manpower, material resources, pneumatic energy and the like, thereby shortening the ship construction period and improving the ship construction efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a state diagram of the detachable auxiliary device of the present invention.

Fig. 2 is a schematic structural diagram of the detachable auxiliary device.

Fig. 3 is a schematic view of the structure of the rotating sleeve.

Fig. 4 is a schematic structural view of the clamping assembly.

Fig. 5 is a structural schematic diagram of the adjustable stay bar.

The reference numerals in the figures have the meaning:

1 is an adjustable support rod, 2 is a rotary sleeve, 3 is a clamp, 4 is a connecting piece, 5 is a first through hole, 6 is a second through hole, 7 is a third through hole, 8 is a locking bolt, 9 is a clamping component, 10 is a sleeve, 11 is a screw rod, 12 is a rotary plug,

100 is a groove-shaped reinforcing piece, and 101 is a connecting shaft.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "connected" and "fixed" are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention provides a detachable auxiliary device for a manufacturing stage of a carbon steel channel piece of a ship, which comprises a rotating sleeve 2, detachable loose stay bars 1 fixed at two ends of the rotating sleeve 2 and a clamping assembly 9 fixed at the end parts of the loose stay bars 1 and used for clamping a channel type reinforcing piece 100.

Specifically, the rotating sleeve 2 includes a sleeve 10, and screws 11 fixed to two ends of the sleeve 10, and a rotating plug 12 is fixed to an outer end surface of the sleeve 10.

One end of the adjustable stay bar 1 is provided with a threaded hole, and the other end is provided with a first through hole 5. One end of the adjustable stay bar 1 is in threaded connection with the screw of the rotary sleeve 2, and the other end of the adjustable stay bar is fixedly connected with the connecting piece 4 of the clamping component 9.

The clamping assembly 9 comprises a connecting piece 4 fixedly connected with the adjustable stay bar 1, a connecting shaft 10 fixed on the connecting piece 4, and a clamp 3 fixed on the connecting shaft 10 and forming a certain included angle with the axis of the connecting shaft 10. The included angle between the clamp 3 and the axis of the connecting shaft 10 is equal to the bending angle of the groove-shaped reinforcing piece 100.

In this embodiment, the connecting member 4 is composed of a circular plate and two ear plates vertically fixed on the circular plate, the two ear plates are oppositely disposed, and each ear plate is provided with a second through hole 6 corresponding to the first through hole 5. The angle between the clamp 3 and the axis of the connecting shaft 101 is 65 °.

The clamp 3 is a U-shaped clamp, and a third through hole 7 for mounting a locking bolt 8 is formed in the U-shaped clamp.

In order to prevent the stress point of the clamp from slipping when the clamp is locked and fastened with the groove-shaped reinforcing piece 100 by the locking bolt 8, the end part of the locking bolt 8 is arranged in a spherical shape, so that the effect of stable clamping can be achieved.

The invention discloses a using method of a detachable auxiliary device used in a manufacturing stage of a ship carbon steel groove part, which specifically comprises the following steps:

s1, measuring the opening size of the groove-shaped reinforcing piece 100, and adjusting the whole length of the detachable auxiliary device according to the measurement result;

s2, mounting the detachable auxiliary device on the groove-shaped reinforcing piece 100, enabling the clamp 3 to cling to the groove-shaped reinforcing piece 100 and screwing the locking bolt 8, and enabling the locking bolt 8 to abut against the plate surface of the groove-shaped reinforcing piece 100;

and S3, judging whether the measured current opening size of the groove-shaped reinforcing part 100 is consistent with the design size, if not, inserting the loop bar into the rotary plug 12 of the rotary sleeve 2, and adjusting the opening size of the groove-shaped reinforcing part 100 by rotating the rotary sleeve 2 until the design requirement is met.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A manufacturing method for a carbon steel channel part of a ship is characterized in that a detachable auxiliary device is adopted, the device comprises a rotating sleeve, detachable loose stay bars fixed at two ends of the rotating sleeve, and clamping assemblies fixed at the end parts of the loose stay bars and used for clamping a channel-shaped reinforcing part, each clamping assembly comprises a connecting piece fixedly connected with the loose stay bar, a connecting shaft fixed on the connecting piece, and a clamp fixed on the connecting shaft and forming a certain included angle with the axis of the connecting shaft, the included angle between the clamp and the axis of the connecting shaft is equal to the bending angle of the channel-shaped reinforcing part, each rotating sleeve comprises a sleeve and a screw rod fixed at two end parts of the sleeve, and a rotating plug is fixed on the outer end face of each sleeve, and the method specifically comprises the following steps:

2. The detachable auxiliary device for the manufacturing stage of the carbon steel channel member of the ship of claim 1, wherein an included angle between the clamp and an axis of the connecting shaft is 65 degrees.

3. The detachable auxiliary device for the manufacturing stage of the ship carbon steel groove part as claimed in claim 1 or 2, wherein the clamp is a U-shaped clamp, and a third through hole for installing a locking bolt is formed in the U-shaped clamp.

4. The removable auxiliary device for the manufacturing stage of the carbon steel channel member of the ship of claim 3, wherein the end of the locking bolt is provided with a spherical shape.

5. The detachable auxiliary device for the manufacturing stage of the carbon steel channel member of the ship according to claim 1, wherein a first through hole for fixing a connecting piece is formed at the end part of the adjustable stay bar;