CN109878634A - Marine shafting bracing wire technique - Google Patents
Marine shafting bracing wire technique Download PDFInfo
- Publication number
- CN109878634A CN109878634A CN201910247158.1A CN201910247158A CN109878634A CN 109878634 A CN109878634 A CN 109878634A CN 201910247158 A CN201910247158 A CN 201910247158A CN 109878634 A CN109878634 A CN 109878634A
- Authority
- CN
- China
- Prior art keywords
- bracing wire
- center
- line
- shafting
- datum mark
- 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
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of marine shafting bracing wire techniques, and its step are as follows: preparing before bracing wire；Firer carries out rough line, self-test, stern lumen of polishing after verifying；It is cleaned, after qualification of applying for checking and examination, fills in stern pipe and fix stern pipe, then carry out shafting finish draw line, be installed in place stern pipe according to the inspection circle of bracing wire record, then pour epoxy, finish draw knot beam.The present invention uses the process of steel wire pull line combination optical collimator irradiation, and efficiency has both with accuracy；By adjusting, improve shafting bracing wire process, stern pipe can be arranged to pour epoxy at the first time after bracing wire, carry out the work such as the piping of stern pipe oil system, string oil, Other Engineering is influenced smaller, the time of marine shafting finish draw line is shortened, dock utilization rate is improved, shortens dock cycle, reduces production cost.
Description
Technical field
The present invention relates to shipbuilding technical fields, and in particular to arrives a kind of marine shafting bracing wire technique.
Background technique
The competitiveness of shipbuilding enterprise depends primarily on the control of production cost, and the control of production cost is depended on and production effect
Rate and labour cost, how improving production efficiency, cost efficiency is current shipbuilding urgent problem, the money of building berth, dock
Source directly determines the ability of ship enterprise year shipbuilding.Therefore, shortening the dock production cycle, improving dock utilization rate is each ship
The most important thing of oceangoing ship enterprise.Marine shafting finish draw line is the important node that ship closes up the stage in building berth or dock, its beginning
Mean that main hull before the ship closes up the end of work, its end means being in full swing for ship launching Engineering Task.
The main flow of traditional shafting bracing wire is: after to hull firer verification, shipyard first carries out rough line, self-test
It is qualified；Second night applies for checking and examination shipowner's shafting finish draw line, and after finish draw line, evening on same day Xu Jiaban is carried out inside stern lumen
It polishes and cleans, the polishing of third day carries out plug stern pipe after cleaning qualification of applying for checking and examination, and the inspection recorded when according to original finish draw line is round by stern
Pipe carries out stern pipe after being installed in place again and pours epoxy；The engineerings such as the subsequent piping for carrying out stern pipe oil system, string oil, pickling processes,
Shaft finish draw line carries out multiple line again after applying for checking and examination to epoxy hardness.Not only the bracing wire period is long for this finish draw line process, entirely
Large-area construction is unable to during bracing wire in cabin, influences the development of subsequent lower Hydraulic Projects, and program of applying for checking and examination is cumbersome, labour's wave
Take serious.
Based on this, it is necessary to be optimized to ship finish draw line process, to shorten the time of marine shafting finish draw line, improve
Dock utilization rate shortens dock cycle.
Summary of the invention
In order to shorten the time of marine shafting bracing wire, improve dock utilization rate, the present invention provides a kind of drawings of marine shafting
Wiring technology.
The technical solution adopted by the invention is as follows:
A kind of marine shafting bracing wire technique, steps are as follows:
Prepare before step 1. bracing wire；
Step 1.1. operator is familiar with design drawing, technological procedure and technical requirements；
Each compartment axial center of step 1.2. opens up bracing wire aperture；
Step 1.3. prepares the necessary tool of bracing wire and equipment.
Step 2. firer carries out rough line, self-test, stern lumen of polishing after verifying；
Step 2.1. determines shafting datum mark with laser, and benchmark point height is drawn from the elevation ruler of building berth using transparent hose
Entering, by hanging plumb line and ship midship line determines, primary datum point A is arranged in front of cabin on the rib position of bulkhead datum mark left-right position,
Tail datum mark B is arranged on zero point rib position；
Step 2.2. primary datum point A with, tail datum mark B respectively sets the wire pulling rack at an adjustable center, shaft tube front end C with
At the D of shaft tube rear end, a target adjustment seat is respectively installed；
Step 2.3. draws steel wire by primary datum point A, tail datum mark B two o'clock, and steel wire is made to pass through each target adjustment seat center,
Tension pouring weight is set at tail datum mark B, steel wire is first gently drawn before Wire pulling, and appropriateness adjusts the center of each target, steel wire
After tension, adjustment seat should not be encountered, in shafting bracing wire, while carrying out rudder system wire pulling work；
The Intersection and verticality of step 2.4. measurement axis, rudder center line, measurement inspection axial center and main engine foundation center
Error determines the positioning height of intermediate bearing pedestal, checks the length of jackshaft, whether host installation site meets pattern wants
It asks, according to above-mentioned measurement, adjusts axial center or rudder system center, guarantee that axis is in optimum state.
Step 2.5. adjustment target adjustment seat center is overlapped with steel wire center, is corrected steel wire amount of deflection factor, is then shed steel
Silk thread.
Step 3. is cleaned, and after qualification of applying for checking and examination, is filled in stern pipe and is fixed stern pipe, then carry out shafting finish draw line, according to
Stern pipe is installed in place by the inspection circle of bracing wire record, then pours epoxy, finish draw knot beam；
Irradiation instrument installation point E is located at primary datum point A, on tail datum mark B two o'clock extended line by step 3.1., in primary datum point A, tail
Light target is installed at datum mark B, is overlapped irradiation instrument center with by the center line of shafting at primary datum point A, tail datum mark B；
Step 3.2. installs light target in shaft tube rear end D, adjusts irradiation instrument focal length, makes irradiation instrument center and shaft tube rear end D, head
Light target cross searching at datum mark A two is overlapped；
Step 3.3. installs light target in shaft tube front end C, adjusts screw, makes irradiation instrument center and shaft tube front end C, headgroup
The light target cross searching at A two is overlapped on schedule；
Step 3.4. checks the center of C, D, A one by one, should all be overlapped with irradiation instrument center, is otherwise finely adjusted until each point meets
Until it is required that；
Step 3.5. draws bore hole circle and checks that circle, be welded reference screw.
Preferred: the rough line and finish draw line are arranged in two respectively and carry out at night, and first carries out step 2 at night
Rough line, self-test and polishing adjustment, second carries out the finish draw line of step 3, the installation of stern pipe at night and pours epoxy.
Beneficial effects of the present invention: the present invention uses the process of steel wire pull line combination optical collimator irradiation, efficiency
It is had both with accuracy；By adjusting, improve shafting bracing wire process, stern pipe can be arranged to pour epoxy after bracing wire at the first time, carry out stern
The work such as the piping of pipe oil system, string oil, it is smaller on Other Engineering influence, it shortens the time of marine shafting finish draw line, improve
Dock utilization rate shortens dock cycle, reduces production cost.
Detailed description of the invention
Fig. 1 is the bracing wire schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of target adjustment seat in the embodiment of the present invention.
Fig. 3 is the cross-sectional view of target adjustment seat in the embodiment of the present invention.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.In embodiment, as shown in Figure 1, a kind of ship
Shafting bracing wire technique, steps are as follows.
Prepare before step 1. bracing wire.
Step 1.1. operator is familiar with design drawing, technological procedure and technical requirements.
Each compartment axial center of step 1.2. opens up bracing wire aperture.
Step 1.3. prepares the necessary tool of bracing wire and equipment, and the bracing wire irradiation frame for generally comprising adjustable center (interior can
Dress standard light target), piano wire, hoist block, target adjustment seat, the tape verified, long lining bar, the dedicated light target of irradiation and photograph
Light instrument, weight.
Step 2. firer carries out rough line, self-test, stern lumen of polishing after verifying.Rough line in this step uses steel
Silk bracing wire technique, the purpose is to: it checks the Intersection and verticality of center line of shafting and rudder system center line, adjusts axis, rudder bore hole
Optimum position；Determine the installation site of host, check the thickness of host epoxy gasket whether in the range of technique requires, with
And check whether the left and right deflection of main engine foundation will affect the bearing area of gasket；Determine position and its base of intermediate bearing
The positioning height of seat, and check the thickness of its gasket whether in the range of requiring；Determine the boring amount of tail pipe anterior-posterior plane；For
Irradiation determines benchmark, reduces the irradiation time.
Step 2.1. determines shafting datum mark with laser, and benchmark point height is using transparent hose from the elevation ruler of building berth
It introduces, datum mark left-right position determines that the rib position of bulkhead before cabin is arranged in primary datum point A by hanging plumb line and ship midship line
On, tail datum mark B is arranged on zero point rib position.
Step 2.2. primary datum point A with, tail datum mark B respectively sets the wire pulling rack at an adjustable center, before shaft tube
It holds at C and shaft tube rear end D, a target adjustment seat is respectively installed, attached double target stand knots shown in Fig. 3 can be used in target adjustment seat
Structure.
Step 2.3. draws steel wire by primary datum point A, tail datum mark B two o'clock, and steel wire is made to pass through each target adjustment seat
Center sets tension pouring weight at tail datum mark B, steel wire is first gently drawn before Wire pulling, and appropriateness adjusts the center of each target,
After Wire pulling, adjustment seat should not be encountered, in shafting bracing wire, while carrying out rudder system wire pulling work.
Step 2.4. measures the Intersection and verticality of axis, rudder center line, and measurement checks in axial center and main engine foundation
The error of the heart determines the positioning height of intermediate bearing pedestal, checks whether the length of jackshaft, host installation site meet pattern
It is required that adjusting axial center or rudder system center according to above-mentioned measurement, guarantee that axis is in optimum state.
Step 2.5. adjustment target adjustment seat center is overlapped with steel wire center, is corrected steel wire amount of deflection factor, is then shed steel
Silk thread.
Step 3. is cleaned, and after qualification of applying for checking and examination, is filled in stern pipe and is fixed stern pipe, then carry out shafting finish draw line, according to
Stern pipe is installed in place by the inspection circle of bracing wire record, then pours epoxy, finish draw knot beam.Finish draw line in this step uses irradiation work
Skill on the basis of in shafting bracing wire is tentatively looked for, irradiation instrument is mounted in the axis centre that bracing wire determines, by finely adjusting
Whole front and back Target Center and optics instrument are concentric, accurately mark the bore hole circle of tail pipe and check circle, so that improves shafting looks for middle essence
Degree.
Irradiation instrument installation point E is located at primary datum point A, on tail datum mark B two o'clock extended line by step 3.1., in primary datum point
A, light target is installed at tail datum mark B, make irradiation instrument center and passes through the center line of shafting weight at primary datum point A, tail datum mark B
It closes.
Step 3.2. installs light target in shaft tube rear end D, adjusts irradiation instrument focal length, makes irradiation instrument center and shaft tube rear end
D, the light target cross searching at primary datum point A two is overlapped.
Step 3.3. installs light target in shaft tube front end C, adjusts screw, make irradiation instrument center and shaft tube front end C,
Light target cross searching at primary datum point A two is overlapped.
Step 3.4. checks the center of C, D, A one by one, should all be overlapped with irradiation instrument center, is otherwise finely adjusted until each point
Until meeting the requirements.
Step 3.5. draws bore hole circle and checks circle, and a light target is taken in light target adjustment seat, loads onto and draws circle specific purpose tool, in tail
Central siphon front/rear end marks bore hole circle and checks circle, and stamps foreign dotting punch on circle to check；Be welded reference screw, in tailing axle
Pipe front and back end be welded respectively up and down, left and right four reference screws, for boring row tune up.Reference screw must be with dedicated scoring tool
It is measured with inside caliper, and repairs file screw head and be allowed at 4 points and be equidistant, error should be not more than 0.03mm.
The present embodiment uses the process of steel wire pull line combination optical collimator irradiation, and efficiency has both with accuracy.And
By table one, table two it is found that the present embodiment by adjusting, improve shafting bracing wire process, stern can be arranged after the completion of bracing wire at the first time
Pipe pours epoxy, while carrying out the work such as the piping of stern pipe oil system, string oil, smaller on Other Engineering influence, shortens ship shaft
It is the time of finish draw line, improves dock utilization rate, shorten dock cycle, reduces production cost.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to reality of the invention
Apply the restriction of mode.For those of ordinary skill in the art, other can also be made on the basis of the above description
Various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to the present invention
Connotation changes and variations that derived from still fall within protection scope of the present invention.
Claims (5)
1. a kind of marine shafting bracing wire technique, it is characterized in that being that steps are as follows:
Prepare before step 1. bracing wire；
Step 2. firer carries out rough line, self-test, stern lumen of polishing after verifying；
Step 3. is cleaned, and after qualification of applying for checking and examination, is filled in stern pipe and is fixed stern pipe, shafting finish draw line is then carried out, according to bracing wire
Stern pipe is installed in place by the inspection circle of record, then pours epoxy, finish draw knot beam.
2. marine shafting bracing wire technique according to claim 1, it is characterised in that: the rough line is pacified respectively with finish draw line
It comes two to carry out at night, first rough line, self-test and polishing adjustment, second evening for carrying out step 2 at night is walked
Rapid 3 finish draw line, the installation of stern pipe and pour epoxy.
3. marine shafting bracing wire technique according to claim 1, it is characterised in that: the step 1 is specific as follows:
Step 1.1. operator is familiar with design drawing, technological procedure and technical requirements；
Each compartment axial center of step 1.2. opens up bracing wire aperture；
Step 1.3. prepares the necessary tool of bracing wire and equipment.
4. marine shafting bracing wire technique according to claim 1, it is characterised in that: the rough line of the step 2 uses steel
Silk bracing wire technique, specific as follows:
Step 2.1. determines shafting datum mark with laser, and benchmark point height is drawn from the elevation ruler of building berth using transparent hose
Entering, by hanging plumb line and ship midship line determines, primary datum point A is arranged in front of cabin on the rib position of bulkhead datum mark left-right position,
Tail datum mark B is arranged on zero point rib position；
Step 2.2. primary datum point A with, tail datum mark B respectively sets the wire pulling rack at an adjustable center, shaft tube front end C with
At the D of shaft tube rear end, a target adjustment seat is respectively installed；
Step 2.3. draws steel wire by primary datum point A, tail datum mark B two o'clock, and steel wire is made to pass through each target adjustment seat center,
Tension pouring weight is set at tail datum mark B, steel wire is first gently drawn before Wire pulling, and appropriateness adjusts the center of each target, steel wire
After tension, adjustment seat should not be encountered, in shafting bracing wire, while carrying out rudder system wire pulling work；
The Intersection and verticality of step 2.4. measurement axis, rudder center line, measurement inspection axial center and main engine foundation center
Error determines the positioning height of intermediate bearing pedestal, checks the length of jackshaft, whether host installation site meets pattern wants
It asks, according to above-mentioned measurement, adjusts axial center or rudder system center, guarantee that axis is in optimum state；
Step 2.5. adjustment target adjustment seat center is overlapped with steel wire center, is corrected steel wire amount of deflection factor, is then shed wire.
5. marine shafting bracing wire technique according to claim 4, it is characterised in that: the finish draw line of the step 3 is using photograph
Light technology, specific as follows:
Irradiation instrument installation point E is located at primary datum point A, on tail datum mark B two o'clock extended line by step 3.1., in primary datum point A, tail
Light target is installed at datum mark B, is overlapped irradiation instrument center with by the center line of shafting at primary datum point A, tail datum mark B；
Step 3.2. installs light target in shaft tube rear end D, adjusts irradiation instrument focal length, makes irradiation instrument center and shaft tube rear end D, head
Light target cross searching at datum mark A two is overlapped；
Step 3.3. installs light target in shaft tube front end C, adjusts screw, makes irradiation instrument center and shaft tube front end C, headgroup
The light target cross searching at A two is overlapped on schedule；
Step 3.4. checks the center of C, D, A one by one, should all be overlapped with irradiation instrument center, is otherwise finely adjusted until each point meets
Until it is required that；
Step 3.5. draws bore hole circle and checks that circle, be welded reference screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247158.1A CN109878634A (en) | 2019-03-29 | 2019-03-29 | Marine shafting bracing wire technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247158.1A CN109878634A (en) | 2019-03-29 | 2019-03-29 | Marine shafting bracing wire technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109878634A true CN109878634A (en) | 2019-06-14 |
Family
ID=66935130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910247158.1A Pending CN109878634A (en) | 2019-03-29 | 2019-03-29 | Marine shafting bracing wire technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109878634A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510058A (en) * | 2019-07-11 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of oblique building berth Becker rudder system bracing wire localization method |
| CN110877698A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | 3000-ton fishery investigation ship rudder system subsection precision control method |
| CN110901853A (en) * | 2019-10-22 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Confirm frock at bulwark fairlead center |
| CN111071404A (en) * | 2019-11-29 | 2020-04-28 | 友联船厂（蛇口）有限公司 | Ship shafting adjusting method |
| CN111121670A (en) * | 2019-11-29 | 2020-05-08 | 友联船厂（蛇口）有限公司 | Laser measurement method for ship shafting |
| CN111216054A (en) * | 2020-01-16 | 2020-06-02 | 武昌船舶重工集团有限公司 | Water surface ship intermediate bearing checking and positioning method and special tool thereof |
| WO2021184929A1 (en) * | 2020-03-20 | 2021-09-23 | 浙江国际海运职业技术学院 | Line drawing method for stern propeller base before welding |
| CN113428315A (en) * | 2021-07-01 | 2021-09-24 | 浙江国际海运职业技术学院 | Positioning and welding method for ship stern pushing equipment |
| CN113562138A (en) * | 2021-08-27 | 2021-10-29 | 芜湖造船厂有限公司 | Method for pulling wire of inclined long shaft of ship |
| CN114111569A (en) * | 2021-10-29 | 2022-03-01 | 沪东中华造船(集团)有限公司 | Method for correcting position of middle bearing of inclined shaft system |
| CN114132452A (en) * | 2021-12-23 | 2022-03-04 | 武昌船舶重工集团有限公司 | Coaxial positioning method for hull bearing |
| CN114455029A (en) * | 2022-03-08 | 2022-05-10 | 理工造船(鄂州)股份有限公司 | Installation process of tail shaft system of oil lubrication propeller |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580211A (en) * | 1968-07-18 | 1971-05-25 | Mitsui Shipbuilding Eng | Method of shaft alignment of a main engine shaft in shipbuilding |
| JPS5311492A (en) * | 1976-07-19 | 1978-02-01 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for attaching and detaching propeller shaft |
| JPS5893689A (en) * | 1981-11-26 | 1983-06-03 | Mitsui Eng & Shipbuild Co Ltd | Centering method for installing replaced main engine |
| CN101774420A (en) * | 2010-04-01 | 2010-07-14 | 武昌船舶重工有限责任公司 | Mounting method of ship long axis system |
| CN105129021A (en) * | 2015-08-29 | 2015-12-09 | 广新海事重工股份有限公司 | Steel wire centering adjusting device |
| CN105752266A (en) * | 2016-02-29 | 2016-07-13 | 上海外高桥造船有限公司 | Technological method for large-ship segmented shafting boring installation |
| CN106184686A (en) * | 2016-08-01 | 2016-12-07 | 宏华海洋油气装备（江苏）有限公司 | Ship stern pipe mounting process |
| CN106809341A (en) * | 2017-01-18 | 2017-06-09 | 江南造船(集团)有限责任公司 | The centering method of marine shafting equipment |
-
2019
- 2019-03-29 CN CN201910247158.1A patent/CN109878634A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580211A (en) * | 1968-07-18 | 1971-05-25 | Mitsui Shipbuilding Eng | Method of shaft alignment of a main engine shaft in shipbuilding |
| JPS5311492A (en) * | 1976-07-19 | 1978-02-01 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for attaching and detaching propeller shaft |
| JPS5893689A (en) * | 1981-11-26 | 1983-06-03 | Mitsui Eng & Shipbuild Co Ltd | Centering method for installing replaced main engine |
| CN101774420A (en) * | 2010-04-01 | 2010-07-14 | 武昌船舶重工有限责任公司 | Mounting method of ship long axis system |
| CN105129021A (en) * | 2015-08-29 | 2015-12-09 | 广新海事重工股份有限公司 | Steel wire centering adjusting device |
| CN105752266A (en) * | 2016-02-29 | 2016-07-13 | 上海外高桥造船有限公司 | Technological method for large-ship segmented shafting boring installation |
| CN106184686A (en) * | 2016-08-01 | 2016-12-07 | 宏华海洋油气装备（江苏）有限公司 | Ship stern pipe mounting process |
| CN106809341A (en) * | 2017-01-18 | 2017-06-09 | 江南造船(集团)有限责任公司 | The centering method of marine shafting equipment |
Non-Patent Citations (1)
| Title |
|---|
| 王福根: "《船舶轴舵系装置与安装》", 31 January 2014, 哈尔滨工程大学出版社 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510058A (en) * | 2019-07-11 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of oblique building berth Becker rudder system bracing wire localization method |
| CN110901853A (en) * | 2019-10-22 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Confirm frock at bulwark fairlead center |
| CN110877698A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | 3000-ton fishery investigation ship rudder system subsection precision control method |
| CN110877698B (en) * | 2019-11-15 | 2021-06-01 | 沪东中华造船(集团)有限公司 | 3000-ton fishery investigation ship rudder system subsection precision control method |
| CN111071404A (en) * | 2019-11-29 | 2020-04-28 | 友联船厂（蛇口）有限公司 | Ship shafting adjusting method |
| CN111121670A (en) * | 2019-11-29 | 2020-05-08 | 友联船厂（蛇口）有限公司 | Laser measurement method for ship shafting |
| CN111216054A (en) * | 2020-01-16 | 2020-06-02 | 武昌船舶重工集团有限公司 | Water surface ship intermediate bearing checking and positioning method and special tool thereof |
| CN111216054B (en) * | 2020-01-16 | 2021-08-03 | 武昌船舶重工集团有限公司 | Water surface ship intermediate bearing checking and positioning method and special tool thereof |
| WO2021184929A1 (en) * | 2020-03-20 | 2021-09-23 | 浙江国际海运职业技术学院 | Line drawing method for stern propeller base before welding |
| CN113428315A (en) * | 2021-07-01 | 2021-09-24 | 浙江国际海运职业技术学院 | Positioning and welding method for ship stern pushing equipment |
| CN113428315B (en) * | 2021-07-01 | 2022-03-25 | 浙江国际海运职业技术学院 | Positioning and welding method for ship stern pushing equipment |
| CN113562138A (en) * | 2021-08-27 | 2021-10-29 | 芜湖造船厂有限公司 | Method for pulling wire of inclined long shaft of ship |
| CN113562138B (en) * | 2021-08-27 | 2022-11-25 | 芜湖造船厂有限公司 | Method for pulling inclined long shaft of ship |
| CN114111569A (en) * | 2021-10-29 | 2022-03-01 | 沪东中华造船(集团)有限公司 | Method for correcting position of middle bearing of inclined shaft system |
| CN114132452A (en) * | 2021-12-23 | 2022-03-04 | 武昌船舶重工集团有限公司 | Coaxial positioning method for hull bearing |
| CN114455029A (en) * | 2022-03-08 | 2022-05-10 | 理工造船(鄂州)股份有限公司 | Installation process of tail shaft system of oil lubrication propeller |
| CN114455029B (en) * | 2022-03-08 | 2024-03-01 | 理工造船(鄂州)股份有限公司 | Installation process of oil lubrication propeller tail shaft system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109878634A (en) | Marine shafting bracing wire technique | |
| CN106809341B (en) | The centering method of marine shafting equipment | |
| CN109606542B (en) | Method for controlling positioning and mounting precision of special equipment base on block | |
| CN106507745B (en) | A kind of marine shafting irradiation method | |
| CN203032875U (en) | Marine shafting positioning tool | |
| CN101377416A (en) | Method for lighting ultra-long shafting on marine vehicle to center | |
| CN102490003B (en) | Method for installing telescopic full-rotating rudder propeller device | |
| CN101058335B (en) | Method of positioning and mounting mainframe base and gearbox base in ship complete cross section manufacture | |
| CN103625603A (en) | Lofting production method of anchor recess of planking thickness line of hull | |
| CN103101612B (en) | Rudder propeller substrate installation method | |
| CN206410623U (en) | It is a kind of to indulge the survey tool that bone is installed for ship hull plate | |
| CN203550940U (en) | Device for measuring span and elevation difference of traveling rails through laser | |
| CN102167140A (en) | Method for measuring continuously-variable load precision of large-scale floating dock in floating state | |
| CN102490864A (en) | Underwater folding method for half ships | |
| WO2019000753A1 (en) | Method for mounting main engine bedplate and gearbox bedplate at block erection stage | |
| CN111232154B (en) | One-time hoisting, positioning and mounting process for liquefied gas carrier liquid cargo unit | |
| CN105383642A (en) | Vertical guide rail mounting and welding method | |
| CN109204687A (en) | A kind of installation method of chain pipe anchor station anchor lip | |
| CN110466689A (en) | Stern door hinge installation accuracy control method | |
| CN107726965A (en) | A kind of servicing unit and its application method for being used to detect ship plank linearity | |
| CN107560525A (en) | A kind of hull base line measurement method | |
| CN106184686A (en) | Ship stern pipe mounting process | |
| CN110884627A (en) | Method for rapidly measuring main dimension of ship in dock | |
| CN108724138A (en) | A kind of auxiliary device and its application method for anchor chain tube subsection trepanning | |
| CN105539722B (en) | A kind of assessment method of marine main engine and shafting installation technical ability |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |
|
| RJ01 | Rejection of invention patent application after publication |