CN-116354292-B - Parallel guide rail base mounting method

CN116354292BCN 116354292 BCN116354292 BCN 116354292BCN-116354292-B

Abstract

The application provides a parallel guide rail base installation method which comprises the following steps of firstly providing guide rail base sections, wherein each guide rail base section comprises a bottom support, a horizontal plane plate and a fixed base plate which are sequentially connected, then manufacturing an installation datum line, determining the installation position of the parallel guide rail base according to the installation datum line, then installing the parallel guide rail base to be positioned in advance, confirming and processing the position with the out-of-tolerance installation allowance of the bottom support, finally abutting and installing and fixing the parallel guide rail base and a hull outer plate at the corresponding installation position, and repairing and replacing the fixed base plate with the out-of-tolerance installation accuracy. The installation accuracy of the guide rail base sections is controlled, the installation accuracy of the parallel guide rail base is controlled, the installation requirements of parallelism and flatness of the parallel guide rail base can be met by adjusting the fixed base plate, the installation accuracy is guaranteed, the field installation difficulty and the waste return rate are reduced, and the use cost of personnel and materials is greatly saved.

Inventors

XU LIANGLIANG
ZHANG WEIWEI
QIAN QIANG

Assignees

江南造船(集团)有限责任公司

Dates

Publication Date: 20260508
Application Date: 20230404

Claims (9)

1. A parallel guide rail base mounting method, characterized by comprising: Providing guide rail base sections, wherein each guide rail base section comprises a bottom support, a horizontal plane plate and a fixed backing plate which are sequentially connected, the bottom support is used for connecting the horizontal plane plate with a ship body outer plate, and the fixed backing plate is arranged on the surface of one side, far away from the ship body outer plate, of the horizontal plane plate; setting a mounting marking plate in a mounting area of the parallel guide rail base, and determining the mounting position of each guide rail base section on the hull plate by taking a mounting datum line determined by the mounting marking plate as a mounting datum line, wherein a plurality of guide rail base sections jointly define the mounting position of the parallel guide rail base; the parallel guide rail base is installed and positioned in advance, the distance between the horizontal plane plate and the hull outer plate after the installation and positioning is measured, and cutting treatment is carried out on the position with the out-of-tolerance installation allowance of the bottom support according to the measurement result; the parallel guide rail base and the hull planking at the corresponding installation position are installed and fixed in a butt joint mode, the installation accuracy of the fixed backing plate is retested, if the retesting result is out of tolerance, an out-of-tolerance value is recorded, and the fixed backing plate at the corresponding position is replaced; The mounting datum line comprises a first datum line and a second datum line which are perpendicular to each other, the parallel guide rail base is arranged in an axisymmetric mode by taking the second datum line as an axisymmetric mode, and the fixed base plate is parallel to the first datum line and keeps a preset distance.
2. The parallel guide rail base mounting method according to claim 1, wherein each guide rail base section is provided with a number, and the parallel guide rail bases are sequentially butt-mounted and fixed according to the number sequence of the guide rail base sections.
3. The parallel rail base mounting method according to claim 1 or 2, wherein the dimensions of each of the rail base sections may be the same or different.
4. The method of installing a parallel rail foundation according to claim 1, wherein the steps of installing the parallel rail foundation in a predetermined position and subsequently abutting and fixing the hull external plate are performed in sequence from the stern to the bow or from bottom to top.
5. The method for installing the parallel guide rail base according to claim 4, wherein the direction in which the parallel guide rail base carries the elevator comprises horizontal operation and vertical operation, the parallel guide rail base corresponding to the horizontal operation of the elevator is installed and pre-positioned, installed and fixed in the direction from the stern to the bow, and the parallel guide rail base corresponding to the vertical operation of the elevator is installed and pre-positioned, installed and fixed in the direction from bottom to top.
6. The parallel guide rail base mounting method according to claim 1, further comprising, before the step of mounting the parallel guide rail base in a predetermined position, measuring a deformation amount of the hull outer plate corresponding to the mounting position of the parallel guide rail base, and correcting the deformation area until the hull construction standard is satisfied.
7. The method for installing a parallel guide rail base according to claim 1, wherein the step of determining the installation position of the parallel guide rail base specifically includes determining two installation center lines of the parallel guide rail base by using a total station and matching with an auxiliary wire drawing method, and the two installation center lines are required to satisfy a preset symmetry threshold range relative to the second reference line.
8. The method of installing a parallel guide rail base according to claim 1, wherein the step of re-measuring the installation accuracy of the fixed bolster includes measuring the flatness of each of the fixed bolster and the parallelism of each of the fixed bolster and the first reference line using a total station and an optical inclinometer.
9. The method of installing a parallel rail base of claim 1, wherein the bottom support web and a plurality of toggle plates, the web and toggle plates being cross welded.

Description

Parallel guide rail base mounting method Technical Field The invention relates to the technical field related to ship construction, in particular to a parallel guide rail base mounting method. Background The elevator is usually provided with two linear guides parallel to each other and runs vertically or horizontally on the base depending on the guides. Particularly on land, elevators are used in conjunction with double linear guides in a wide variety of applications such as machine tools, elevators, etc. The ship can also be applied to various lifting mechanisms in the process of construction and operation application, compared with a relatively stable operation environment on land, the guide rail on the ship is difficult to install due to the influence of external conditions such as construction space environment, self structural deformation of the ship body and the like, and especially the installation difficulty of the guide rail base can be increased. The double-linear guide rail base is usually installed at a slipway stage, and the working gravity center of the traditional installation method is placed at a later installation stage, so that the defect occurs in precision control, once the hull structure at the installation position of the guide rail base has a large amount of field correction, the guide rail base can be cut and repaired in a large amount, extra waste returning work is added, even the guide rail base is scrapped and other serious results are caused, and the construction cost of the guide rail base is greatly increased. Therefore, how to provide a parallel guide rail base installation method, on the basis of guaranteeing the parallelism and the flatness of a double-linear guide rail base, the installation is accurate and rapid, unnecessary manpower and material resource costs such as field waste return are reduced, and the problem to be solved in the field is urgent. Disclosure of Invention The invention aims to provide a parallel guide rail base mounting method which can accurately and rapidly mount on the basis of ensuring the parallelism and the flatness of a double-linear guide rail base and reduce unnecessary cost of manpower and material resources such as field waste and return. The embodiment of the invention provides a parallel guide rail base mounting method, which comprises the following steps: Providing guide rail base sections, wherein each guide rail base section comprises a bottom support, a horizontal plane plate and a fixed backing plate which are sequentially connected, the bottom support is used for connecting the horizontal plane plate with a ship body outer plate, and the fixed backing plate is arranged on the surface of one side, far away from the ship body outer plate, of the horizontal plane plate; setting a mounting marking plate in a mounting area of the parallel guide rail base, and determining the mounting position of each guide rail base section on the hull plate by taking a mounting datum line determined by the mounting marking plate as a mounting datum line, wherein a plurality of guide rail base sections jointly define the mounting position of the parallel guide rail base; the parallel guide rail base is installed and positioned in advance, the distance between the horizontal plane plate and the hull outer plate after the installation and positioning is measured, and cutting treatment is carried out on the position with the out-of-tolerance installation allowance of the bottom support according to the measurement result; and (3) butt-jointing and fixing the parallel guide rail base and the hull plate at the corresponding installation position, retesting the installation accuracy of the fixed backing plate, recording an out-of-tolerance value if the retesting result is out-of-tolerance, and replacing the fixed backing plate at the corresponding position. In one possible embodiment, each of the guide rail base segments is provided with a number, and the parallel guide rail bases are mounted and fixed in a butt joint manner in sequence according to the number sequence of the guide rail base segments. In one possible embodiment, the dimensions of each of the rail base sections may be the same or different. In one possible implementation, the steps of pre-positioning the parallel guide rail base and subsequently docking and fixing the parallel guide rail base with the hull external plate specifically comprise adopting a direction from the stern to the bow or from bottom to top. In one possible implementation manner, the direction in which the parallel guide rail base carries the operation of the elevator comprises horizontal operation and vertical operation, the parallel guide rail base corresponding to the horizontal operation of the elevator is installed and pre-positioned and installed and fixed in the direction from the stern to the bow, and the parallel guide rail base corresponding to the vertical operation of the elevator is installed and pre-positioned