CN112719816A - Production process of high-strength corrosion-resistant large marine rudder horn - Google Patents
Production process of high-strength corrosion-resistant large marine rudder horn Download PDFInfo
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- CN112719816A CN112719816A CN202110093335.2A CN202110093335A CN112719816A CN 112719816 A CN112719816 A CN 112719816A CN 202110093335 A CN202110093335 A CN 202110093335A CN 112719816 A CN112719816 A CN 112719816A
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- welding
- rudder horn
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a production process of a high-strength corrosion-resistant large marine rudder horn, which comprises the following steps: the method comprises the following steps: rendering the resist material: the required polyurea material is coated on the surface of the part forming the rudder horn, so that the corrosion resistance of the whole rudder horn can be improved. This anti-corrosion large-scale marine rudder horn production technology of hanging of high strength, through painting the polyurea material at the rudder horn, can effectually carry out the anticorrosion, and the polyurea material specifically is the overweight anticorrosive material of RJ-SPUA-101, can effectively prevent the collision damage of boats and ships simultaneously resistant sea water and atmospheric corrosion, resistant strong sunlight shines, the maintenance-free cycle is long, thereby can reduce the cycle of maintaining, reduce the input of manpower financial resources, make the use of can be long-time, can effectively reduce the collision damage of avoiding the boats and ships simultaneously, the polyurea elastomer is strong in crashworthiness, can resist and sustain violent striking and not damaged, anti heavy nature is good, thereby can improve the whole security performance of boats and ships.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a production process of a high-strength corrosion-resistant large-scale marine rudder horn.
Background
The rudder horn is an arm-shaped component for supporting a semi-suspension rudder of a ship, is an important structural body for connecting a ship body and rudder blades at the tail part of the ship body, can adopt steel plate welding or steel casting, and is connected with the ship body in two forms, namely, the rudder horn extends into an outer plate of the ship body, is stopped to be connected with a certain platform and is firmly connected with a platform structure; the other is directly connected with the hull plate by proper circular arc transition.
The existing rudder horn welded by steel plates has poor corrosion resistance when in use, needs to be overhauled after being used for a period of time, thereby wasting a large amount of manpower and financial resources, and has complex manufacturing steps, much overhead operation, time and labor waste, difficult safety production and prolonged construction period of a ship body when being welded and manufactured by the steel plates.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a production process of a high-strength corrosion-resistant rudder horn for a large ship, which has the advantages of high-strength corrosion resistance, simple manufacturing steps, less high-altitude operation and high safety, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of a high-strength corrosion-resistant large marine rudder horn comprises the following steps:
the method comprises the following steps: rendering the resist material: and (3) painting the required polyurea material on the surface of the part forming the rudder horn.
Step two: airing treatment: and standing for 24 hours after painting is finished, so that polyurea materials forming the surface of the rudder horn part are condensed into the corrosion-resistant protective film.
Step three: arranging a jig frame: first, a ground sample is surveyed and a jig frame is arranged.
Step four: and sequentially positioning the upper rudder bearing, the lower ribbed plate, the lower rudder bearing and the upper horizontal partition plate on the upper tire.
Step five: assembling the partition plate: firstly, taking a lower ribbed slab as a base surface, and placing and installing a lower middle longitudinal clapboard on the lower ribbed slab; then, the upper rib plate is arranged above the upper horizontal partition plate which is used as a base surface.
Step six: assembling an outer plate and a head plate: firstly, installing and welding a front edge end plate at the top of a longitudinal partition plate in the lower part, and installing and welding lower outer plates on two sides of the front edge end plate after the front edge end plate is welded, so that the front edge end plate and the lower outer plates on the two sides are integrally wrapped on the outer side of the longitudinal partition plate; then, an upper outer plate is installed on the outer side of the upper horizontal partition plate and welded.
Step seven: internal welding: and carrying out overall verification, and carrying out paint welding on the structure in the cavity after the verification.
Step eight: installing a lower end plate: and after the internal welding is checked, mounting and welding a lower end plate at the front end of the front edge end sealing plate and the front ends of the outer plates at the lower parts of the two sides.
Step nine: and (3) overall effect test: and after welding is finished, carrying out overall verification, and discharging the tire after the verification is finished.
Preferably, carbon dioxide arc welding is adopted as far as possible during welding, and welding is carried out symmetrically.
Preferably, the polyurea material is an RJ-SPUA-101 overweight anticorrosion material.
Preferably, the RJ-SPUA-101 overweight anticorrosion material can effectively reduce and avoid collision damage of ships, the polyurea elastomer has strong impact resistance, can resist continuous violent impact without damage, has good sinking resistance, effectively prevents collision damage of ships, resists seawater and atmospheric corrosion, resists strong sunlight irradiation, and has long maintenance-free period.
Preferably, the lower outer plate has a semi-enclosed elliptical structure.
This practicality possesses following beneficial effect:
1. this anti-corrosion large-scale marine rudder horn production technology of high strength, through painting the polyurea material at the rudder horn, can effectually carry out the anticorrosion, and the polyurea material specifically is the overweight anticorrosive material of RJ-SPUA-101, can effectively prevent the collision damage of boats and ships simultaneously resistant sea water and atmospheric corrosion, resistant strong sunlight shines, the maintenance-free cycle is long, thereby can reduce the cycle of maintaining, reduce the input of manpower financial resources, make the use of boats and ships can be long-time, can effectively reduce the collision damage of avoiding the boats and ships simultaneously, the polyurea elastomer is strong in crashworthiness, can resist lasting violent striking and not damaged, anti heavy nature is good, thereby can improve the whole security performance of boats and ships, make boats and ships safer when navigating.
2. This large-scale marine rudder horn of hanging of high strength corrosion resistant production technology through using the horizontal wall to erect the dress as the child, reduces high altitude construction, not only fast but also laborsaving, be favorable to the safety in production, improved the effect greatly, shortened the construction cycle, and simple in order, the lower end plate waits that intracavity structure welding position accomplishes and the installation welding again after the paint is handed over, has improved the construction condition, further raises the efficiency, should adopt carbon dioxide arc welding to weld during the welding simultaneously, and the symmetry is executed and is welded, with the reduction welding deformation, welding efficiency has been improved.
Detailed Description
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 invention provides a technical scheme that: a production process of a high-strength corrosion-resistant large marine rudder horn comprises the following steps:
the method comprises the following steps: rendering the resist material: the required polyurea material is coated on the surface of the part forming the rudder horn, so that the corrosion resistance of the whole rudder horn can be improved.
Step two: airing treatment: and standing for 24 hours after painting is finished, so that polyurea materials forming the surface of the rudder horn part are condensed into the corrosion-resistant protective film.
Step three: arranging a jig frame: first, a ground sample is surveyed and a jig frame is arranged.
Step four: and sequentially positioning the upper rudder bearing, the lower ribbed plate, the lower rudder bearing and the upper horizontal partition plate on the upper tire.
Step five: assembling the partition plate: firstly, taking a lower ribbed slab as a base surface, and placing and installing a lower middle longitudinal clapboard on the lower ribbed slab; then, the upper rib plate is arranged above the upper horizontal partition plate which is used as a base surface.
Step six: assembling an outer plate and a head plate: firstly, installing and welding a front edge end plate at the top of a longitudinal partition plate in the lower part, and installing and welding lower outer plates on two sides of the front edge end plate after the front edge end plate is welded, so that the front edge end plate and the lower outer plates on the two sides are integrally wrapped on the outer side of the longitudinal partition plate; then, an upper outer plate is installed on the outer side of the upper horizontal partition plate and welded.
Step seven: internal welding: and carrying out overall verification, and carrying out paint welding on the structure in the cavity after the verification.
Step eight: installing a lower end plate: and after the internal welding is checked, mounting and welding a lower end plate at the front end of the front edge end sealing plate and the front ends of the outer plates at the lower parts of the two sides.
Step nine: and (3) overall effect test: and after welding is finished, carrying out overall verification, and discharging the tire after the verification is finished.
The polyurea material is painted on the rudder horn, corrosion can be effectively prevented, the polyurea material is specifically an RJ-SPUA-101 overweight anticorrosive material, the collision damage of the ship can be effectively prevented, the ship is resistant to seawater and atmospheric corrosion, strong sunlight irradiation is resistant, the maintenance-free period is long, the maintenance period can be reduced, the investment of manpower and financial resources is reduced, the ship can be used for a long time, meanwhile, the collision damage of the ship can be effectively reduced, the anti-collision capacity of the polyurea elastomer is strong, the ship can resist continuous violent collision without damage, the sinking resistance is good, the overall safety performance of the ship can be improved, and the ship is safer when sailing.
During welding, carbon dioxide arc welding is adopted as far as possible, and welding is carried out symmetrically, so that the welding efficiency can be effectively improved, and the working hours are reduced.
Wherein the polyurea material is specifically an RJ-SPUA-101 overweight anticorrosion material.
The RJ-SPUA-101 overweight anticorrosive material can effectively reduce and avoid collision damage of ships, the polyurea elastomer has strong impact resistance, can resist continuous violent impact without damage, has good sinking resistance, effectively prevents collision damage of ships, resists seawater and atmospheric corrosion, resists strong sunlight irradiation, and has long maintenance-free period.
Wherein, the lower outer plate is of a semi-enclosed elliptical structure.
The lower end plate is installed and welded after the welding part of the structure in the cavity is finished and painted, construction conditions are improved, efficiency is further improved, carbon dioxide protection welding is adopted during welding, welding is conducted symmetrically, welding deformation is reduced, and welding efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A production process of a high-strength corrosion-resistant large marine rudder horn is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: rendering the resist material: and (3) painting the required polyurea material on the surface of the part forming the rudder horn.
Step two: airing treatment: and standing for 24 hours after painting is finished, so that polyurea materials forming the surface of the rudder horn part are condensed into the corrosion-resistant protective film.
Step three: arranging a jig frame: first, a ground sample is surveyed and a jig frame is arranged.
Step four: and sequentially positioning the upper rudder bearing, the lower ribbed plate, the lower rudder bearing and the upper horizontal partition plate on the upper tire.
Step five: assembling the partition plate: firstly, taking a lower ribbed slab as a base surface, and placing and installing a lower middle longitudinal clapboard on the lower ribbed slab; then, the upper rib plate is arranged above the upper horizontal partition plate which is used as a base surface.
Step six: assembling an outer plate and a head plate: firstly, installing and welding a front edge end plate at the top of a longitudinal partition plate in the lower part, and installing and welding lower outer plates on two sides of the front edge end plate after the front edge end plate is welded, so that the front edge end plate and the lower outer plates on the two sides are integrally wrapped on the outer side of the longitudinal partition plate; then, an upper outer plate is installed on the outer side of the upper horizontal partition plate and welded.
Step seven: internal welding: and carrying out overall verification, and carrying out paint welding on the structure in the cavity after the verification.
Step eight: installing a lower end plate: and after the internal welding is checked, mounting and welding a lower end plate at the front end of the front edge end sealing plate and the front ends of the outer plates at the lower parts of the two sides.
Step nine: and (3) overall effect test: and after welding is finished, carrying out overall verification, and discharging the tire after the verification is finished.
2. The production process of the high-strength corrosion-resistant rudder horn for the large ship according to claim 1, wherein the production process comprises the following steps: during welding, carbon dioxide arc welding is adopted as much as possible, and welding is carried out symmetrically.
3. The production process of the high-strength corrosion-resistant rudder horn for the large ship according to claim 1, wherein the production process comprises the following steps: the polyurea material is specifically an RJ-SPUA-101 overweight anticorrosion material.
4. The production process of the high-strength corrosion-resistant rudder horn for the large ship according to claim 3, wherein the production process comprises the following steps: the RJ-SPUA-101 overweight anticorrosive material can effectively reduce and avoid collision damage of ships, the polyurea elastomer has strong impact resistance, can resist continuous violent impact without damage, has good sinking resistance, effectively prevents collision damage of ships, resists seawater and atmospheric corrosion, resists strong sunlight irradiation, and has long maintenance-free period.
5. The production process of the high-strength corrosion-resistant rudder horn for the large ship according to claim 1, wherein the production process comprises the following steps: the lower outer plate is of a semi-enclosed elliptical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093335.2A CN112719816A (en) | 2021-01-25 | 2021-01-25 | Production process of high-strength corrosion-resistant large marine rudder horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093335.2A CN112719816A (en) | 2021-01-25 | 2021-01-25 | Production process of high-strength corrosion-resistant large marine rudder horn |
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| Publication Number | Publication Date |
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| CN112719816A true CN112719816A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110093335.2A Withdrawn CN112719816A (en) | 2021-01-25 | 2021-01-25 | Production process of high-strength corrosion-resistant large marine rudder horn |
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| CN206066985U (en) * | 2016-09-07 | 2017-04-05 | 南京正隆顺达高分子材料有限公司 | A kind of high-strength composite elastic endergonic anticollision device, collision-prevention device |
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-
2021
- 2021-01-25 CN CN202110093335.2A patent/CN112719816A/en not_active Withdrawn
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| CN101190707A (en) * | 2006-12-01 | 2008-06-04 | 尹学军 | Boat hull surface buffering shock-absorbing device |
| CN102533090A (en) * | 2011-12-29 | 2012-07-04 | 大连铭洋甲板敷料有限公司 | Spray polyurea elastomer waterproof paint for boats |
| CN102616335A (en) * | 2012-04-01 | 2012-08-01 | 深圳市海斯比船艇科技股份有限公司 | Composite material improved metal ship, protective structure thereof and manufacturing method of protective structure |
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Application publication date: 20210430 |
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