CN104326077A - Method for manufacturing underhung balanced rudder of high speed craft - Google Patents
Method for manufacturing underhung balanced rudder of high speed craft Download PDFInfo
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- CN104326077A CN104326077A CN201410551367.2A CN201410551367A CN104326077A CN 104326077 A CN104326077 A CN 104326077A CN 201410551367 A CN201410551367 A CN 201410551367A CN 104326077 A CN104326077 A CN 104326077A
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Abstract
The invention provides a method for manufacturing an underhung balanced rudder of a high speed craft. The connecting reliability of a rudder rod and a rudder blade is high, the weight of the whole balanced rudder can be lightened, and the method particularly meets the requirement on manufacture of the high speed craft with high weight requirement. The method comprises the following steps of (1) designing a rudder blade structural map and a rudder rod structural map; (2) manufacturing the rudder rod according to the rudder rod structural map; (3) manufacturing the rudder blade; (4) connecting the rudder rod with the rudder blade; (5) testing the airtightness of the rudder blade, wherein the rudder rod and the rudder blade are connected through welding the step (4); an outer plate of the rudder blade is divided into a port outer plate and a starboard outer plate and the rudder rod and the rudder blade are welded. Compared with key connection in the prior art, the welding connection is high in reliability; compared with press-fit connection in the prior art, the welding connection has the advantages that other connecting parts are not required, the integral weight of the balanced rudder is lightened, and the requirement on light weight of the high speed craft is met.
Description
Technical field
The invention belongs to shipbuilding technical field, be specifically related to the manufacture method of the suspension type balanced rudder for high-speed boat.
Background technology
The main structural components of suspension type balanced rudder comprises stream line pattern rudder blade and rudder stock, rudder blade comprises the larboard outside plate and starboard outside plate that are combined to form stream line pattern blade face, and the upper and lower shrouding of closed larboard outside plate and starboard outside plate upper and lower port, and being installed in multiple horizontal baffle and vertical partition plate that side plate inwall interweaves in length and breadth, rudder stock one end embeds rudder blade inside and is connected with rudder blade.In prior art, rudder stock and rudder blade adopt key to be connected or gland formula connects, adopt key connect, rudder stock and rudder blade connection reliability poor, easily wear and tear, there is accident potential; Adopt gland formula to connect, need to adopt the steel castings such as axle sleeve, weight is large, and cost is high, is not suitable for the requirement that light-duty high-speed boat makes.
Summary of the invention
The invention provides a kind of manufacture method of high-speed boat suspension type balanced rudder, rudder stock and rudder blade connection reliability high, and the weight of whole balanced rudder can be reduced, be particularly useful for the making requirement to the high high-speed boat of weight demands.
For reaching above-mentioned technical purpose, the present invention is achieved by the following technical solutions: a kind of manufacture method of high-speed boat suspension type balanced rudder, comprises the steps,
(1) rudder blade structure figure and rudder stock constructional drawing is designed; (2) rudder stock is made according to rudder stock constructional drawing; (3) rudder blade is made; (4) rudder stock is connected to rudder blade; (5), rudder blade airtight test; It is characterized in that, step (3) specifically comprises the steps:
(3.1) according to the rudder blade structure figure that designs, produce for being encircled into the larboard outside plate of streamline redder leaf outside plate and starboard outside plate, the horizontal baffle of rudder blade internal cavities and vertical partition plate, the upper and lower shrouding closing rudder blade internal cavities and lagging edge tail liner plate, guide margin aside-liner; With larboard outside plate for basal plane side assembling rudder blade, before making, first make the ground sample of rudder stock line of centers, the upper and lower shrouding line of centers of rudder blade on ground;
(3.2) the rudder blade line style provided according to rudder blade structure figure makes rudder blade template moulding bed, and moulding bed laterally lays larboard outside plate, and it is fixing larboard outside plate and moulding bed to be fitted, and larboard outside plate and moulding bed gap are less than 1mm;
(3.3) horizontal baffle of rudder blade, vertical partition plate, upper and lower shrouding and lagging edge tail liner plate, guide margin aside-liner are installed on larboard outside plate, ensure the installation level of lagging edge tail liner plate, make the middle section line of upper and lower shrouding according to moulding bed corner level and carry out mark, ensure upper and lower shrouding and horizontal plane, the middle section line parallel of upper and lower shrouding is also in same level, and ensures the squareness of upper and lower shrouding;
(3.4) carry out horizontal baffle, the welding of vertical partition plate on larboard outside plate and the welding between dividing plate, then carry out upper and lower shrouding, lagging edge tail liner plate, the welding of guide margin aside-liner on larboard outside plate;
(3.5) after step (4) starboard outside plate is welded on larboard outside plate, forms overall rudder blade;
Described in step (4), rudder stock and rudder blade adopt and are welded to connect, and specifically comprise the steps:
(4.1) on the upper sealing plate, horizontal baffle of rudder blade, make rudder stock center-point respectively, with rudder stock center-point for the center of circle, draw isodiametric cutting the with rudder stock and justify, draw diameter at the upper sealing plate of rudder blade simultaneously and be greater than the inspection circle cutting circular diameter;
(4.2) on the upper sealing plate of rudder blade, formation rudder stock is removed in material cutting in cutting circle according to rudder blade structure figure and scurry into hole, ensure that rudder stock scurries into center and the rudder stock center superposition in hole, deviation is not more than 0.5mm;
(4.3) in hole on rudder blade upper sealing plate, scurry into rudder stock, and ensure on rudder stock for the extended line of the line of centers with the keyway that rudder base connects and upper sealing plate line of centers crossing;
(4.4) with the upper sealing plate of rudder blade for benchmark, correct rudder stock integral level, in 1m length, deviation is not more than 0.1mm; Correct the squareness of rudder stock fore-and-aft direction and rudder blade upper sealing plate, in 1m length, deviation is not more than 0.1mm.
(4.5) center of rudder stock and the center superposition checking circle is corrected; Correct rudder stock line of centers projection line on the ground to overlap with the ground sample of ground rudder pin line of centers, overall total deviation is not more than 0.5mm;
(4.6) correct qualified rear spot welding and fix rudder stock, the levelness of rudder stock and the squareness with rudder blade upper sealing plate thereof will be detected in welding process the moment, first rudder stock front end is slightly welded at face place, require symmetrical weldering, and want intermittent welding; Concrete welding parameter is welding current: 200 ~ 240A, and welding voltage: 23 ~ 26V checks the deformation of rudder blade and rudder stock at any time in welding process, adjust position of weld and welding capacity in time according to deformation; Be symmetrically welded, require that every layer of actual throat thickness controls at 5 ~ 7mm, the width of per pass welding is not more than 16mm; Sequence of welding: butt weld first must be welded before fillet weld, and fillet welding in the vertical position was first welded before flush fillet weld.
Compared with prior art, the outside plate of rudder blade is divided into larboard outside plate and starboard outside plate two parts, after horizontal baffle, vertical partition plate, upper and lower shrouding are in place on larboard outside plate, rudder stock is scurried into and welds with upper sealing plate and horizontal baffle, then welding starboard outside plate makes rudder blade shaping, rudder stock and rudder blade are welded structure, key connection reliability is high compared to existing technology, gland formula connects compared to existing technology, without the need to arranging other links, be conducive to the overall weight reducing balanced rudder, meet the requirement that high-speed boat weight is light-duty.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention high speed ship suspension type balanced rudder;
Fig. 2 is the horizontal profile structure schematic diagram of Fig. 1;
Fig. 3 is the A direction view (omission rudder stock) of Fig. 2;
Fig. 4 is the structural representation of rudder stock adjusting pole using state used in the embodiment of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The manufacture method of a kind of high-speed boat suspension type of the present embodiment balanced rudder, comprises the steps, design rudder blade structure figure and rudder stock constructional drawing; (2) rudder stock is made according to rudder stock constructional drawing; (3) rudder blade is made; (4) rudder stock is connected to rudder blade; (5), rudder blade airtight test; It is characterized in that, step (3) specifically comprises the steps:
(3.1) according to the rudder blade structure figure designed, as illustrated in fig. 1 and 2, produce for being encircled into the larboard outside plate 1 of streamline redder leaf outside plate and starboard outside plate 2 and being positioned at horizontal baffle 3 and vertical partition plate 4, the upper sealing plate 5 closing rudder blade inside and the lower shrouding 6 of rudder blade internal cavities, and the lagging edge tail liner plate 7 of larboard outside plate 1 and starboard outside plate 2 intersection, guide margin aside-liner (not shown), on horizontal baffle 3, the rudder stock be prefabricated with for scurrying into rudder stock scurries into hole; With larboard outside plate 1 for basal plane side assembling rudder blade, first make the ground sample C of rudder stock line of centers on ground
1, rudder blade upper sealing plate line of centers ground sample C
2, lower shrouding line of centers ground sample C
3, as shown in Figure 4;
(3.2) the rudder blade line style provided according to rudder blade structure figure produces rudder blade template moulding bed 8, as shown in Figure 4, and ensure the rigid requirements of moulding bed 8, moulding bed 8 laterally lays larboard outside plate 1, and larboard outside plate 1 and moulding bed 8 are fitted fixing with code plate, between larboard outside plate 1 and moulding bed 8, gap should be less than 1mm;
(3.3) rudder blade design structure diagram is installed, larboard outside plate 1 is installed horizontal baffle 3, vertical partition plate 4, upper sealing plate 5, lower shrouding 6 and lagging edge tail liner plate 7, guide margin aside-liner, when horizontal baffle 3 and vertical partition plate 4 are installed with horizontal baffle 3 for benchmark, the installation of lagging edge tail liner plate 7 should ensure level, level is made simultaneously, lower shrouding 5, the middle section line of 6 also carries out mark with sample punching, in guarantee, lower shrouding 5, 6 and horizontal plane, on, lower shrouding 5, the middle section line parallel of 6 is also in same level, and ensure by the method arranging messenger wire pendant 14, lower shrouding 5, the squareness of 6, namely should ensure to be in same vertical plane with its ground sample on the ground,
(3.4) horizontal baffle 3, vertical partition plate 4 are welded on larboard outside plate 1, and carry out the welding between each dividing plate, then upper and lower shrouding 5,6 and lagging edge tail liner plate 7, guide margin aside-liner are welded on larboard outside plate 1;
(3.5) after step (4) starboard outside plate 2 is welded on larboard outside plate 1, forms overall rudder blade, starboard outside plate 2 and larboard outside plate 1 with line place, the middle section horizontal surface of upper sealing plate 5, lower shrouding 6 for reference symmetry is arranged;
In the present embodiment, in step (4), rudder stock 13 and rudder blade adopt and are welded to connect, and concrete welding step is as follows:
(4.1) on upper sealing plate 5, horizontal baffle 3, rudder stock center-point O is made respectively, with rudder stock center-point O for the center of circle, draw and the cutting circle 9 of rudder stock 13 equal diameter, upper sealing plate 5 draws simultaneously and cuts concentric but the diameter of circle 9 and be greater than the inspection circle 10 cut and justify 9 diameters;
(4.2) on the upper sealing plate 5 of rudder blade, formation rudder stock is removed in material cutting in cutting circle 9 according to rudder blade structure figure and scurry into hole, ensure that upper sealing plate 5 rudder pin scurries into center and the rudder stock center superposition in hole, deviation is not more than 0.5mm;
(4.3) rudder stock 13 is supported by bracing frame 11, and rudder stock is scurried in its front end (i.e. the conical surface (or claiming slightly face) end) scurry in hole, and ensure on rudder stock 13 for the extended line of the line of centers with the keyway that rudder base connects and upper sealing plate line of centers crossing, to ensure the accurate installation direction of this keyway;
(4.4) with the upper sealing plate 5 of rudder blade for benchmark, correct rudder stock 13 integral level with spirit level, in 1m length, deviation is not more than 0.1mm; By the squareness of large square measurement update rudder stock 13 fore-and-aft direction and rudder blade upper sealing plate 5, in 1m length, deviation is not more than 0.1mm.
(4.5) center of rudder stock 13 and the center superposition checking circle 9 is corrected; On rudder stock 13 center-point messenger wire pendant 15 and the projection line of ground rudder pin line of centers between deviation be not more than 0.5mm, correct qualified after by rudder stock 13 locking positioning on bracing frame 11;
(4.6) rudder stock 13 spot welding is fixed on rudder blade, the moment is wanted to detect with spirit level the levelness of rudder stock 13 and moment to detect itself and rudder blade upper sealing plate 5 squareness with square in welding process, require symmetrical weldering, and want intermittent welding, abundant release welding stress, impel rudder stock to locate generation deviation in order to avoid continue welding, if welding process finds that there is deviation should adjust position of weld in time, and check the strength condition of bracing frame 11; Concrete welding parameter is welding current: 200 ~ 240A, and welding voltage: 23 ~ 26V checks the deformation of rudder blade and rudder stock at any time in welding process, adjust position of weld and welding capacity in time according to deformation; Be symmetrically welded, require that every layer of actual throat thickness controls at 5 ~ 7mm, the width of per pass welding is not more than 16mm; Sequence of welding: butt weld first must be welded before fillet weld, and fillet welding in the vertical position was first welded before flush fillet weld.
Based on above technical scheme, optionally, also to carry out scarfing cinder to all soldereds after welding after step (4) in the present embodiment, go to splash, polish smooth, and check the step of weldquality, to ensure soldering reliability and overall appearance.After qualified, painting anti-corrosion oil can be carried out to rudder blade inside antirust.
For high-speed boat, the upper and lower shrouding 5,6 of rudder blade is arranged usually and is respectively arranged with blowoff cock 12, as shown in Figure 1, in the present embodiment above-mentioned steps (4) is described rudder stock 13 is welded with rudder blade after by blowoff cock 12 also by welding mode be fixed on rudder blade.
Need to check rudder blade principal dimensions after step (3.5), ensure that the height of rudder blade and width difference should be not more than ± 0.5mm; The middle section levelness deviation of upper and lower shrouding 5,6 should be not more than ± 1mm, and the levelness deviation of lagging edge tail liner plate 7 should be not more than ± 1mm, carries out firer's correction if overproof.
Pressurized air can be adopted to carry out for rudder blade airtight test in step (5), test pressure selects 30-50kPa, determines, fill with pitching paint and protect after qualified on rudder blade inwall according to concrete rudder blade specification.
For the bracing frame 11 for supporting rudder stock 13 described in the present embodiment, its concrete structure comprises former and later two identical supporting seats 11.1 be fixed with one, relative symmetry is arranged, the top of each supporting seat 11.1 is installed with support ring 11.2, on ring body, hoop is laid and is provided with multiple adjustment jackscrew 11.3, during squareness generation deviation between the levelness and rudder blade upper sealing plate 5 of rudder stock 13, correct rudder stock 13 by the adjustment jackscrew 11.3 adjusting correct position.The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (5)
1. a manufacture method for high-speed boat suspension type balanced rudder, comprises the steps,
(1) rudder blade structure figure and rudder stock constructional drawing is designed; (2) rudder stock is made according to rudder stock constructional drawing; (3) rudder blade is made; (4) rudder stock is connected to rudder blade; (5), rudder blade airtight test; It is characterized in that, step (3) specifically comprises the steps:
(3.1) according to the rudder blade structure figure that designs, produce for the larboard outside plate and starboard outside plate, the horizontal baffle being positioned at rudder blade internal cavities and vertical partition plate, the upper and lower shrouding closing rudder blade internal cavities and lagging edge tail liner plate, the guide margin aside-liner that are encircled into streamline redder leaf outside plate; With larboard outside plate for basal plane side assembling rudder blade, before making, first make the ground sample of rudder stock line of centers, the upper and lower shrouding line of centers of rudder blade on ground;
(3.2) the rudder blade line style provided according to rudder blade structure figure makes rudder blade template moulding bed, and moulding bed laterally lays larboard outside plate, and it is fixing larboard outside plate and moulding bed to be fitted, and larboard outside plate and moulding bed gap are less than 1mm;
(3.3) horizontal baffle of rudder blade, vertical partition plate, upper and lower shrouding and lagging edge tail liner plate, guide margin aside-liner are installed on larboard outside plate, ensure the installation level of lagging edge tail liner plate, make the middle section line of upper and lower shrouding according to moulding bed corner level and carry out mark, ensure upper and lower shrouding and horizontal plane, the middle section line parallel of upper and lower shrouding is also in same level, and ensures the squareness of upper and lower shrouding;
(3.4) carry out horizontal baffle, the welding of vertical partition plate on larboard outside plate and the welding between dividing plate, then carry out upper and lower shrouding, lagging edge tail liner plate, the welding of guide margin aside-liner on larboard outside plate;
(3.5) after step (4) starboard outside plate is welded on larboard outside plate, forms overall rudder blade;
Described in step (4), rudder stock and rudder blade adopt and are welded to connect, and specifically comprise the steps:
(4.1) on the upper sealing plate, horizontal baffle of rudder blade, make rudder stock center-point respectively, with rudder stock center-point for the center of circle, draw isodiametric cutting the with rudder stock and justify, draw diameter at the upper sealing plate of rudder blade simultaneously and be greater than the inspection circle cutting circular diameter;
(4.2) on the upper sealing plate of rudder blade, formation rudder stock is removed in material cutting in cutting circle according to rudder blade structure figure and scurry into hole, ensure that rudder stock scurries into center and the rudder stock center superposition in hole, deviation is not more than 0.5mm; (4.3) in hole on rudder blade upper sealing plate, scurry into rudder stock, and ensure on rudder stock for the extended line of the line of centers with the keyway that rudder base connects and upper sealing plate line of centers crossing;
(4.4) with the upper sealing plate of rudder blade for benchmark, correct rudder stock integral level, in 1m length, deviation is not more than 0.1mm; Correct the squareness of rudder stock fore-and-aft direction and rudder blade upper sealing plate, in 1m length, deviation is not more than 0.1mm;
(4.5) center of rudder stock and the center superposition checking circle is corrected; Correct rudder stock line of centers projection line on the ground to overlap with the ground sample of ground rudder pin line of centers, overall total deviation is not more than 0.5mm;
(4.6) correct qualified rear spot welding and fix rudder stock, the levelness of rudder stock and the squareness with rudder blade upper sealing plate thereof in welding process, will be detected the moment, first to below rudder stock slightly face place weld, require symmetrical weldering, and want intermittent welding; Concrete welding parameter is welding current: 200 ~ 240A, and welding voltage: 23 ~ 26V checks the deformation of rudder blade and rudder stock at any time in welding process, adjust position of weld and welding capacity in time according to deformation; Be symmetrically welded, require that every layer of actual throat thickness controls at 5 ~ 7mm, the width of per pass welding is not more than 16mm; Sequence of welding: butt weld first must be welded before fillet weld, and fillet welding in the vertical position was first welded before flush fillet weld.
2. the manufacture method of high-speed boat suspension type balanced rudder according to claim 1, is characterized in that, carries out scarfing cinder after step (4), goes to splash, polish smooth, and check the step of weldquality after welding to all soldereds.
3. the manufacture method of high-speed boat suspension type balanced rudder according to claim 1, is characterized in that, the upper and lower shrouding being also included in rudder blade after step (4) welds the step of blowoff cock.
4. the manufacture method of high-speed boat suspension type balanced rudder according to claim 1, is characterized in that, after step (3.5), check rudder blade principal dimensions, height and the width total deviation of rudder blade are not more than ± 0.5mm; Upper and lower shrouding middle section levelness total deviation is not more than ± 1mm, and the levelness total deviation of lagging edge tail liner plate is not more than ± 1mm, carries out firer's correction if overproof.
5. the manufacture method of high-speed boat suspension type balanced rudder according to claim 1, is characterized in that, in step (5), rudder blade airtight test adopts pressurized air, and test pressure is 30kPa-50kPa.
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| CN115743462A (en) * | 2022-11-30 | 2023-03-07 | 中国船舶集团青岛北海造船有限公司 | Method for building ship false rudder |
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