CN117308869A - Levelness monitoring method for marine ultra-long track - Google Patents
Levelness monitoring method for marine ultra-long track Download PDFInfo
- Publication number
- CN117308869A CN117308869A CN202311235385.5A CN202311235385A CN117308869A CN 117308869 A CN117308869 A CN 117308869A CN 202311235385 A CN202311235385 A CN 202311235385A CN 117308869 A CN117308869 A CN 117308869A
- Authority
- CN
- China
- Prior art keywords
- ultra
- long track
- levelness
- track
- long
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000013461 design Methods 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a levelness monitoring method of a marine ultra-long track, which comprises the steps of assembling the ultra-long track, and arranging a level gauge and a graduated scale; checking levelness of each measuring position and adjusting; spot welding and fixing the whole ultra-long track; arranging a plurality of groups of steel wires; firstly, welding the back surface of a track, and monitoring the height change of a track plane where a steel wire is positioned in the welding process; after the back surface welding work of the ultra-long track is completed, the steel wire is removed, the whole ultra-long track is completely shaped at the moment, and then the welding seam on the front surface of the ultra-long track is welded. The levelness monitoring method for the marine ultra-long track can ensure that the levelness of the track plane is within the design requirement range in the assembly and welding processes of the ultra-long track, thereby ensuring the quality of ship construction.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a levelness monitoring method of a ship ultra-long track.
Background
With the continuous development of modern shipbuilding technology, ships are continuously updated, corresponding equipment and equipment are also continuously updated, the installation requirement for novel equipment is higher and higher, and extra-long track devices are introduced into certain special ships.
The prior art (CN 207672767U) discloses an adjustable leveling structure of an overlength track heavy-load movable goods shelf terrace embedded part, which comprises all embedded parts and an elevation horizontal control shaft net covering all the embedded parts, wherein the elevation horizontal control shaft net is arranged at the top standard height of the terrace and is formed by stacking a plurality of radial steel wires and a plurality of latitudinal steel wires, the radial steel wires are arranged along the longitudinal design center line of the embedded parts, the latitudinal steel wires are arranged along the transverse design center line of the embedded parts, and both ends of the radial steel wires and the latitudinal steel wires are provided with supporting parts and tensioning parts; the embedded part is provided with a horizontal embedded plate, and a height-adjustable supporting leg fixedly connected with the horizontal embedded plate is arranged below the horizontal embedded plate. The structure can adjust the positions, levelness and elevation of all embedded parts in place at one time, reduces the use times of the level gauge, quickens the construction progress, improves the construction quality, and can ensure the requirement of the installation of the ultra-long track movable goods shelf on the flatness of the terrace. But it is used for adjusting the difference in height of the terrace embedded parts, not for controlling the levelness of the whole ultra-long track.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a levelness monitoring method for a marine ultra-long track, which ensures that the levelness of a track plane is within the design requirement range in the assembly and welding processes of the ultra-long track, thereby ensuring the construction quality of the ship.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a levelness monitoring method of a marine ultra-long track comprises the following steps:
firstly, after the ultra-long track is initially positioned, assembling and fixing, erecting a level gauge on one side of the ultra-long track, and placing a graduated scale at a measuring position of a track plane;
step two, observing data on a graduated scale through a level gauge, checking levelness conditions of the measuring position, and adjusting in time if the levelness conditions exceed a design range;
step three, through the repeated monitoring of the step one and the step two, the levelness of the whole ultra-long track is ensured to be within the design range, and then the whole ultra-long track is fixed by spot welding;
arranging a plurality of groups of steel wires transversely above the ultra-long track, and placing a graduated scale at a position to be welded;
fifthly, starting welding work of a back weld joint of the ultra-long track, and simultaneously monitoring the reading of a graduated scale above the ultra-long track at a steel wire to ensure that the deformation of the ultra-long track in the welding process is within an allowable range;
and step six, after the back surface welding work of the ultra-long track is completed, dismantling the steel wire above, completely shaping the whole ultra-long track, and then welding the welding seam on the front surface of the ultra-long track.
In the second step, the levelness design range of the ultra-long track is that the levelness error within the length of 1m is not more than 3mm.
As the preferable technical scheme, the oil cylinders are arranged on the upper, lower, left, right, front and rear parts of the ultra-long track, and in the second step, when the levelness of the measuring position exceeds the design range, the posture of the ultra-long track is adjusted through the oil cylinders.
As a preferred technical solution, the wire intervals 1m are arranged transversely along the track.
In the fifth step, the allowable range of the deformation amount of the ultra-long track during welding is not more than 2mm.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the levelness monitoring method for the marine ultra-long track, provided by the invention, the height change of the track plane in the welding process is obtained by arranging a plurality of groups of steel wires, so that the designed levelness requirement of the whole ultra-long track from assembly to welding process is ensured;
(2) The levelness monitoring method for the marine ultra-long track has certain universality for ultra-long equipment or devices and can be popularized and applied.
Drawings
FIG. 1 is a schematic diagram of the overall arrangement of a method for monitoring the levelness of a marine ultra-long track according to the present invention;
FIG. 2 is a schematic diagram of the operation of step two in a method for monitoring the levelness of a marine ultra-long track according to the present invention;
fig. 3 is an operation schematic diagram of a fifth step in the levelness monitoring method of the marine ultra-long track.
In the figure: 1. an ultra-long track; 11. a track plane; 2. a steel wire; 3. a level gauge; 4. a graduated scale.
Detailed Description
The technical scheme of the invention is further described below with reference to the specific embodiments:
in this embodiment, the length of the marine ultra-long track 1 is 40m, and the marine ultra-long track 1 is longitudinally distributed along the direction of the ship, two track planes 11 are arranged on the ultra-long track 1, and track equipment is required to be installed on the track planes 11, so that the flatness is required to be ensured.
As shown in fig. 1, a levelness monitoring method for a marine ultra-long track 1 includes the following steps:
firstly, after the ultra-long track 1 is initially positioned, assembling and fixing, erecting a level gauge 3 on one side of the ultra-long track 1, and placing a graduated scale 4 at a measuring position of a track plane 11;
step two, as shown in fig. 2, the data on the graduated scale 4 is observed through the level gauge 3, the levelness condition of the measuring position is checked, the levelness design range of the ultra-long track 1 is that the levelness error in the length of 1m is not more than 3mm, the ultra-long track 1 is provided with oil cylinders at the upper, lower, left, right, front and rear sides, and if the levelness error exceeds the design range, the posture of the ultra-long track 1 is adjusted through the oil cylinders in time;
step three, through the repeated monitoring of the step one and the step two, the levelness of the whole ultra-long track 1 is ensured to be within a design range, and then the whole ultra-long track 1 is fixed by spot welding;
step four, transversely arranging a group of steel wires 2 above the ultra-long track 1 at intervals of 1m, and placing a graduated scale 4 at a position needing to be welded;
fifthly, starting welding work of a back weld joint of the ultra-long track 1, as shown in fig. 3, monitoring the reading of a graduated scale 4 above the ultra-long track 1 at the position of a steel wire 2, and ensuring that the deformation of the ultra-long track 1 in the welding process is not more than 2mm;
and step six, after the back surface welding work of the ultra-long track 1 is finished, dismantling the steel wire 2 above, wherein the process of dismantling the steel wire 2 needs to be safe because the steel wire 2 is very thin. At the moment, the whole overlength track 1 is completely shaped, and then the welding seam on the front surface of the overlength track 1 is welded, so that the levelness requirement of the whole overlength track 1 in the process from assembly to welding is ensured.
The present embodiment is further illustrative of the present invention and is not to be construed as limiting the invention, and those skilled in the art can make no inventive modifications to the present embodiment as required after reading the present specification, but only as long as they are within the scope of the claims of the present invention.
Claims (5)
1. The levelness monitoring method for the marine ultra-long track is characterized by comprising the following steps of:
firstly, after the ultra-long track is initially positioned, assembling and fixing, erecting a level gauge on one side of the ultra-long track, and placing a graduated scale at a measuring position of a track plane;
step two, observing data on the graduated scale through the level gauge, checking levelness conditions of the measuring position, and adjusting in time if the levelness conditions exceed a design range;
step three, through the repeated monitoring of the step one and the step two, the levelness of the whole ultra-long track is ensured to be within the design range, and then the whole ultra-long track is fixed by spot welding;
arranging a plurality of groups of steel wires transversely above the overlength track, and placing a graduated scale at a position needing to be welded;
fifthly, starting welding work of a back weld joint of the ultra-long track, and simultaneously monitoring the reading of a graduated scale above the ultra-long track at a steel wire to ensure that the deformation of the ultra-long track is within an allowable range in the welding process;
and step six, dismantling the steel wire above after finishing the back surface welding work of the ultra-long track, completely shaping the whole ultra-long track, and then welding the welding seam on the front surface of the ultra-long track.
2. The method for monitoring the levelness of a marine ultra-long track according to claim 1, wherein in the second step, the levelness design range of the ultra-long track is that the levelness error within a length of 1m is not more than 3mm.
3. The method for monitoring the levelness of the marine ultra-long track according to claim 1, wherein the oil cylinders are arranged on the ultra-long track in the front, the back, the left, the right, the front and the rear directions, and in the step two, when the levelness of the measuring position exceeds the design range, the posture of the ultra-long track is adjusted through the oil cylinders.
4. The method for monitoring the levelness of a marine ultra-long rail according to claim 1, wherein the steel wires are arranged at intervals of 1m along the rail in the transverse direction.
5. The method for monitoring the levelness of a marine ultra-long rail according to claim 1, wherein in the fifth step, the allowable range of the deformation amount of the ultra-long rail during welding is not more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311235385.5A CN117308869A (en) | 2023-09-25 | 2023-09-25 | Levelness monitoring method for marine ultra-long track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311235385.5A CN117308869A (en) | 2023-09-25 | 2023-09-25 | Levelness monitoring method for marine ultra-long track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117308869A true CN117308869A (en) | 2023-12-29 |
Family
ID=89280433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311235385.5A Pending CN117308869A (en) | 2023-09-25 | 2023-09-25 | Levelness monitoring method for marine ultra-long track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117308869A (en) |
-
2023
- 2023-09-25 CN CN202311235385.5A patent/CN117308869A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100376454C (en) | Method for plane sectional building hull | |
| KR101695879B1 (en) | Method for installing the topside of floating marine plant | |
| CN101537564A (en) | Pairing method of H-section steel for super-large crane beams | |
| CN108127284B (en) | Assembly method before welding for marine diesel engine frame | |
| CN104878732B (en) | A kind of drilling platform leg wedge bracket and its processing technology | |
| CN113322816B (en) | Multi-interface beam tower matching precision control method and device | |
| CN105317052A (en) | Tower crane foundation bolt fixing method | |
| CN206052702U (en) | A kind of foundation bolt mounting structure | |
| CN117308869A (en) | Levelness monitoring method for marine ultra-long track | |
| CN110373997A (en) | The production method and moulding bed of curve plate girder segment | |
| CN103878498B (en) | The preparation method of marine diesel welded type cylinder block | |
| CN107825041B (en) | Ship body base surface reversible deformation adjusting method | |
| CN112550607B (en) | Manufacturing method of duplex stainless steel trough bulkhead | |
| CN104563525A (en) | Overall horizontal assembly method for box-type steel arched girder | |
| CN109649578B (en) | Marine vessel deck upper module base and manufacturing and mounting method | |
| CN108907593B (en) | Automatic assembly posture adjusting mechanism for carrier rocket tank girth welding | |
| CN109339466B (en) | Large-section twisted steel box girder assembling jig frame, assembling ejection device and processing method | |
| CN105539722A (en) | Evaluation method for marine main engine and shaft system mounting skills | |
| CN215967162U (en) | Drum type driver's cab production equipment | |
| CN102518045A (en) | Arch rib embedded section installing and positioning support and adjusting and positioning method thereof | |
| CN207129101U (en) | A kind of jackstone column foot seat | |
| CN110449834B (en) | Manufacturing method of bent box-type column | |
| CN102328184B (en) | Method for manufacturing overlength guide rail of pipe assembling and disassembling crane | |
| CN114310162B (en) | Method for manufacturing large-section whole hole of curved steel box girder | |
| CN113136475B (en) | Installation method of converter fixed vertical oxygen lance track installation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |