CN101417703A - Manufacturing and mounting method of full-rotating rudder paddle base - Google Patents
Manufacturing and mounting method of full-rotating rudder paddle base Download PDFInfo
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- CN101417703A CN101417703A CNA2008101983156A CN200810198315A CN101417703A CN 101417703 A CN101417703 A CN 101417703A CN A2008101983156 A CNA2008101983156 A CN A2008101983156A CN 200810198315 A CN200810198315 A CN 200810198315A CN 101417703 A CN101417703 A CN 101417703A
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Abstract
The invention discloses a manufacturing and mounting method for the foundation of a total-gyration rudder propeller. The method is as follows: a pre-processed steel plate is cut into four pieces of sector-shaped rings of the same size and a welding groove is cut; then a base faceplate is formed and after being annealed the base faceplate is planished with mechanical tools; after testing, the front, back, left and right marks are marked; the upper and lower sections and inner and outer circles of the base faceplate are processed; the scale is removed and the requirement by drawing is satisfied and a seam position should be taken into account simultaneously; after the size is checked, templates are fixed on the base faceplate according to the marks on the faceplate for drilling and facing; just two welding seams are welded on the base faceplate and the inner and outer sides of the left and right base cylinder to avoid full welding; the base is lifted before the total closing of a stern and is positioned well and reinforced after the total closing of the stern; and the level is checked once when one welding seam is welded till the final welding seam is completed in the welding process. The invention adopts the section blanking to displace the integral blanking so as to conserve the material cost and simultaneously overcome the technical problems of the focused stress in the base processing and manufacturing process, the welding distortion, etc..
Description
Technical field
The present invention relates to a kind of making and installation method of marine equipment mounting base, particularly relate to a kind of making and installation method of electric propulsion stand full-rotating rudder paddle base.
Background technology
The full-rotating rudder paddle device adopts electric propulsion usually, and electric propulsion is one of design direction of following medium and small-scale vessel engine installation.The full-rotating rudder paddle device can be converted into best thrust to power of electric motor, and 360 ° of rotations of lower apron, thereby makes thrust power be used for manoeuvre of ship, and is simple efficient.Its advantage is: 1, because the thrust direction of screw propeller can freely change, make boats and ships can realize manipulative capability to greatest extent; 2, owing to save structures such as rudder, propeler bracket and screw shaft pipe, ship stern simple shape, hull resistance reduces, and makes boats and ships can realize best efficient; 3, owing to save diesel engine or the little middle high speed diesel engine (do not need to be provided with separately reducing gearbox, main frame need not fall suitable) of the light volume of working weight, make boats and ships can realize safe, economic operation; 4, rudder oar device is saved installing space, is easy to safeguard and have advantages such as antidetonation and low noise.
The pedestal of full-rotating rudder paddle device is the cartridge type pedestal, and diameter is big (Φ 2520/ Φ 3400); Its fabricating quality and installation quality are related to the realization of rudder oar device propulsion coefficient, are technical barriers.Rudder oar device is that rudder and oar unite two into one, and weight is big, and its pedestal must have than hard intensity, and its plate thickness is very thick naturally, usually more than 70mm; Thick steel plate like this, for shipyard, consumption is very limited.If adopt the monoblock steel plate cutting, because pedestal is annulus and diameter is bigger, clout substantially can't jacking, wastes too big; Must adopt special process and handle corresponding technological problems.When pedestal hangs in rudder oar cabin, if main body and hold together after perforate again, do not meet the Modern Shipbuilding requirement.Consider that simultaneously rudder oar pedestal is bigger, hole size has almost arrived the edge in rudder oar cabin.Therefore, the installation of pedestal should be selected rational opportunity.Must adopt specific process to guarantee the installation quality of pedestal for avoiding closing up the deviation that the back shipbody deformation causes.The present invention is based on above technical matters and propose making and the installation of special treatment method to finish the full-rotating rudder paddle device.
Summary of the invention
The objective of the invention is at rudder paddle base anchor ring plate thickness big (80mm), diameter big (Φ 2520/ Φ 3400), the monoblock blanking causes the characteristics of clout waste, and the welding secondary deformation, the problem of distortion is installed, a kind of making and installation method of full-rotating rudder paddle base is provided.
Purpose of the present invention is achieved by the following technical programs:
1, blanking behind the steel plate pretreatment is become the eccentric circular ring of four consistent size, and on every eccentric circular ring, leave bevel for welding;
2, on plane moulding bed or platform, four eccentric circular rings are spliced into the face plate of foundation of annular arrangement, flatten and submit to weld seam and planeness to apply for checking and examination face plate of foundation annealing back recruitment installation tool, planeness is necessary≤and 2mm, apply for checking and examination and stamp all around sign after qualified so that the drilling operation in the subsequent step;
3, the section up and down and the inside and outside circle of processing face plate of foundation, to remove scaling-off and to satisfy the drawing requirement, consider the seam position simultaneously, wherein the lower surface requires fine limit work as driving surface, welding deformation is excessive when preventing that pedestal from installing simultaneously is difficult to process the surplus that also should leave 2.5-3.5mm, and being about to seam position thickness increases 2.5-3.5mm.
4, make template boring: after the checking of dimensions by the mark on the face plate of foundation with a template be fixed on boring on the face plate of foundation, ream is flat.
5, make left and right pedestal cylindrical shell, and on moulding bed, left and right pedestal cylindrical shell and face plate of foundation are welded, left and right pedestal cylindrical shell and face plate of foundation be location welding respectively on moulding bed, face plate of foundation and left and right pedestal cylindrical shell are strengthened the back symmetrical welding to form pedestal, the twice weld seam is only welded in the outside in described face plate of foundation and the left and right pedestal cylindrical shell, not weldering entirely; Welding process is in time checked and is prevented that panel deformation is excessive; Other 4 road weld seams weld the construction again that finishes at pedestal and hull structure.
6, hang in pedestal before complete cross section closes up on the quarter, wouldn't install for avoiding closing up the deviation pedestal that the back shipbody deformation causes, the back that puts in place yard is hung at top, rudder oar cabin with hanging;
7, the left and right sides, the position ballast of corresponding rudder oar on main deck, pressur loading weight is roughly identical with rudder oar device total weight, close up the squareness that back hull state does not influence rudder oar oar axle to guarantee the stern section, after the afterbody complete cross section closes up, open aperture at the hull correspondence position and pull out rudder oar device line of centers, pedestal is in place and strengthens;
8, with eight oil jacks distributions, 8 points planar, to regulate the face plate of foundation level, face plate of foundation is divided equally into four zones to be welded simultaneously, utilize the contraction between the weld seam to guarantee a left side, panel level after right pedestal cylindrical shell and the face plate of foundation welding, in the welding process, after finishing, the 3rd road weld seam uses the degree of crook and the planeness of straight horizontal chi 360 inspection panel, the 4th road weld seam continues to freeze, after finishing, weld seam checks degree of crook and the planeness and the inspection of face plate of foundation with 360 ° of straight horizontal chis, and the like, the weldering weld joint on inner side welds outer side weld more earlier, and inboard welding bead can suitably be widened, every weldering finishes one weld seam, check a sub-level, one weld seam to the last, face plate of foundation becomes horizontality.
The making of a kind of full-rotating rudder paddle base of the present invention and installation method, have the following advantages: (1) considers that rudder oar device rudder and oar unite two into one, weight is bigger, face plate of foundation is inevitable thicker (common, plate thickness is more than 70mm), thick steel plate like this, for shipyard, consumption is very limited.If adopt the monoblock steel plate cutting, because pedestal is annulus and diameter is bigger, clout substantially can't jacking, waste too big, therefore the present invention adopts the piecemeal blanking to replace whole blanking, makes face plate of foundation with the mode of four eccentric circular ring splicings, has saved fee of material greatly; (2) for solving technical barriers such as pedestal processing, making aspect stress concentration, welding deformation, the way that recruitment installation tool in employing annealing back flattens overcomes four eccentric circular rings and certainly lead to distortion after welding splicing, cause face plate of foundation planeness extreme difference, problem that can't machine up; Shrinking angle from welding considers, having formulated the outside in face plate of foundation and the cylindrical shell has not welded and only welds the process of twice weld seam (six road weld seams altogether) (that is: pedestal is gone on board before the installation, panel and cylindrical shell be weldering entirely not, the conscious panel that allows presents outer " eight " word, treat that pedestal finishes with the hull structure welding, formulate rational sequence of welding and welding bead, will outer " eight " word get back) solve the face plate of foundation planeness and meet the requirements after, adorning in the weldering process, produce the technical matters of secondary deformation with pedestal cylindrical shell (or web); Consider from accuracy and operability, adopt before the weldering of plate dress, in the internal field by the material object making bore template of drawing a design, determine the pedestal center after, the method for operation of internal field boring, overcome pedestal go on board install after boring, limited by site space, the problem that can't hole; Adopt pedestal to hang in before the afterbody complete cross section closes up but do not install, the back that puts in place is hung at the method at top, rudder oar cabin with hanging sign indicating number, overcomes the problem of closing up preceding installation, closing up the deviation that the back shipbody deformation causes; In the welding process, adopt every weldering to finish one weld seam, check a sub-level, to the last one weld seam guarantees that " the outer splayed " of face plate of foundation becomes horizontality.
Description of drawings
Fig. 1 is the full-rotating rudder paddle base planar view;
Fig. 2 is four eccentric circular ring welding of face plate of foundation scheme drawing;
Fig. 3 is face plate of foundation and pedestal cylindrical shell welding scheme drawing.
Specific embodiments
The present invention is further illustrated below in conjunction with the drawings and specific embodiments:
As Figure 1-3, the making of full-rotating rudder paddle base of the present invention and installation method are operated according to the following steps:
1, blanking behind the steel plate pretreatment is become four eccentric circular rings 4 and leaves bevel for welding;
2, on plane moulding bed or platform with 4 one-tenths face plate of foundations 3 of four eccentric circular rings splicing, panel annealing flattened and submission weld seam and planeness (≤2mm) apply for checking and examination.Stamp all around sign and be convenient to boring;
3, the processing face plate of foundation up and down section and inside and outside circle in order to remove scaling-off and to satisfy drawing requirement (considering the seam position), wherein the lower surface requires fine limit work as driving surface, welding deformation is excessive when preventing that pedestal from installing simultaneously is difficult to processing and also should leaves the 3mm surplus, and being about to seam position thickness increases 3mm;
4, make template boring: by mark template is fixed on after the checking of dimensions and holes 1 on the panel, ream is flat;
5, make left and right pedestal cylindrical shell 2, and on moulding bed, left and right pedestal cylindrical shell 2 and face plate of foundation 3 are welded, left and right pedestal cylindrical shell 2 is decided to be welding respectively with face plate of foundation 3 on moulding bed, face plate of foundation 3 and left and right pedestal cylindrical shell 2 are strengthened the back symmetrical welding, welding process is in time checked and is prevented that panel deformation is excessive, particularly point out: face plate of foundation 3 only welds 2 road weld seams, weldering entirely with the left and right pedestal cylindrical shell 2 interior outsides; Other four road weld seams weld the construction again that finishes at pedestal and hull structure;
6, hang in pedestal before the afterbody complete cross section closes up: wouldn't install for avoiding closing up the deviation pedestal that the back shipbody deformation causes, the back that puts in place yard is hung at top, rudder oar cabin with hanging;
7, the left and right sides, the position ballast of corresponding rudder oar (pressur loading weight is roughly identical with rudder oar device total weight) closes up the squareness that back hull state does not influence rudder oar oar axle to guarantee rear on main deck, after the afterbody complete cross section closes up, open aperture at the hull correspondence position and pull out rudder oar device line of centers, pedestal is in place and strengthens;
8, regulate face plate of foundation 3 levels at 8 that eight oil jacks are distributed planar, dividing face plate of foundation 3 equally four zones welds simultaneously, utilize the contraction between the weld seam to guarantee cylindrical shell and panel welding rear panel level, in the welding process, with the degree of crook and the planeness of 360 ° of inspection panel of straight horizontal chi, the 4th road weld seam and inspection continued to freeze after the 3rd road weld seam was finished; And the like, first weldering weld joint on inner side, the outer side weld of weldering again, inboard welding bead can suitably be widened, and every weldering finishes one weld seam, checks a sub-level, one weld seam to the last, the outer Eight characters becomes horizontality (as shown in Figure 3).
The present invention is not limited to above embodiment, so long as the scheme of mentioning in this specification and claims book all can be implemented.
Claims (1)
1, the making of full-rotating rudder paddle base and installation method is characterized in that, it may further comprise the steps:
(1), blanking behind the steel plate pretreatment is become the eccentric circular ring of four consistent size, and on every eccentric circular ring, leave bevel for welding;
(2), on plane moulding bed or platform, four eccentric circular rings are spliced into the face plate of foundation of annular arrangement, flatten and submit to weld seam and planeness to apply for checking and examination face plate of foundation annealing back recruitment installation tool, planeness is necessary≤and 2mm, apply for checking and examination and stamp all around sign after qualified so that the drilling operation in the subsequent step;
(3), the section up and down and the inside and outside circle of processing face plate of foundation, to remove scaling-off and to satisfy the drawing requirement, consider the seam position simultaneously, wherein the lower surface requires fine limit work as driving surface, welding deformation is excessive when preventing that pedestal from installing simultaneously is difficult to process the surplus that also should leave 2.5-3.5mm, and being about to seam position thickness increases 2.5-3.5mm;
(4), make template boring: after the checking of dimensions by the mark on the face plate of foundation with a template be fixed on boring on the face plate of foundation, ream is flat;
(5), make left and right pedestal cylindrical shell, and on moulding bed, left and right pedestal cylindrical shell and face plate of foundation are welded, left and right pedestal cylindrical shell and face plate of foundation be location welding respectively on moulding bed, face plate of foundation and left and right pedestal cylindrical shell are strengthened the back symmetrical welding to form pedestal, the twice weld seam is only welded in the outside in described face plate of foundation and the left and right pedestal cylindrical shell, not weldering entirely; Welding process is in time checked and is prevented that panel deformation is excessive; Other 4 road weld seams weld the construction again that finishes at pedestal and hull structure;
(6), on the quarter hang in pedestal before complete cross section closes up, wouldn't install for avoiding closing up the deviation pedestal that the back shipbody deformation causes, the back that puts in place yard is hung at top, rudder oar cabin with hanging;
(7), the left and right sides, the position ballast of corresponding rudder oar on main deck, pressur loading weight is roughly identical with rudder oar device total weight, close up the squareness that back hull state does not influence rudder oar oar axle to guarantee the stern section, after the afterbody complete cross section closes up, open aperture at the hull correspondence position and pull out rudder oar device line of centers, pedestal is in place and strengthens;
(8), with eight oil jacks distributions, 8 points planar, to regulate the face plate of foundation level, face plate of foundation is divided equally into four zones to be welded simultaneously, utilize the panel level after contraction between the weld seam guarantees left and right pedestal cylindrical shell and face plate of foundation welding, in the welding process, after finishing, the 3rd road weld seam uses straight horizontal chi 360
0The degree of crook of inspection panel and planeness, the 4th road weld seam that continues to freeze is used straight horizontal chi 360 after weld seam is finished
0Check the degree of crook and the planeness of face plate of foundation and check, and the like, weldering weld joint on inner side earlier, the outer side weld of weldering again, inboard welding bead can suitably be widened, and every weldering finishes one weld seam, checks a sub-level, one weld seam to the last, face plate of foundation becomes horizontality.
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| CN2008101983156A CN101417703B (en) | 2008-09-04 | 2008-09-04 | Manufacturing and mounting method of full-rotating rudder paddle base |
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| CN2008101983156A CN101417703B (en) | 2008-09-04 | 2008-09-04 | Manufacturing and mounting method of full-rotating rudder paddle base |
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| CN101417703A true CN101417703A (en) | 2009-04-29 |
| CN101417703B CN101417703B (en) | 2010-12-01 |
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| CN102358413A (en) * | 2011-09-05 | 2012-02-22 | 广州中船黄埔造船有限公司 | Installation method of full-revolving rudder propeller device with special angle |
| CN102837101A (en) * | 2011-06-22 | 2012-12-26 | 德鱼塔工业股份有限公司 | Thin plate-reinforcement structure utilizing reinforcing effect of weld bead and method of producing the same |
| CN103625629A (en) * | 2013-12-18 | 2014-03-12 | 中国长江航运集团南京金陵船厂 | Mounting and debugging method for propelling system of fully-revolving electric steering oar of ship |
| CN103818540A (en) * | 2014-02-28 | 2014-05-28 | 广新海事重工股份有限公司 | Processing method of eccentric full-revolving steering oar device base |
| CN104724249A (en) * | 2013-12-20 | 2015-06-24 | 广州中船黄埔造船有限公司 | Mounting method for retractable full-revolving propulsor |
| CN105935843A (en) * | 2016-05-19 | 2016-09-14 | 武汉船用机械有限责任公司 | Welding method for structural part |
| CN107999935A (en) * | 2017-12-22 | 2018-05-08 | 大连英蕴科技有限公司 | A kind of automatic welding method of rudder system device |
| CN109606540A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of accuracy control method of ship cylindrical base |
| CN110282072A (en) * | 2019-06-27 | 2019-09-27 | 中船黄埔文冲船舶有限公司 | The determination method of full-rotating rudder paddle deep bracket surplus cutting line |
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| CN113879481A (en) * | 2021-10-28 | 2022-01-04 | 中船黄埔文冲船舶有限公司 | Mounting method of lower sealing plate of base of full-rotation propeller |
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- 2008-09-04 CN CN2008101983156A patent/CN101417703B/en not_active Expired - Fee Related
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| CN102358413B (en) * | 2011-09-05 | 2014-03-19 | 广州中船黄埔造船有限公司 | Installation method of full-revolving rudder propeller device with special angle |
| CN102358413A (en) * | 2011-09-05 | 2012-02-22 | 广州中船黄埔造船有限公司 | Installation method of full-revolving rudder propeller device with special angle |
| CN103625629A (en) * | 2013-12-18 | 2014-03-12 | 中国长江航运集团南京金陵船厂 | Mounting and debugging method for propelling system of fully-revolving electric steering oar of ship |
| CN103625629B (en) * | 2013-12-18 | 2016-04-27 | 中国长江航运集团南京金陵船厂 | The installation and adjustment method of boats and ships full circle swinging electric power rudder oar propulsion system |
| CN104724249B (en) * | 2013-12-20 | 2017-05-10 | 广州中船黄埔造船有限公司 | Mounting method for retractable full-revolving propulsor |
| CN104724249A (en) * | 2013-12-20 | 2015-06-24 | 广州中船黄埔造船有限公司 | Mounting method for retractable full-revolving propulsor |
| CN103818540A (en) * | 2014-02-28 | 2014-05-28 | 广新海事重工股份有限公司 | Processing method of eccentric full-revolving steering oar device base |
| CN105935843A (en) * | 2016-05-19 | 2016-09-14 | 武汉船用机械有限责任公司 | Welding method for structural part |
| CN107999935A (en) * | 2017-12-22 | 2018-05-08 | 大连英蕴科技有限公司 | A kind of automatic welding method of rudder system device |
| CN109606540B (en) * | 2018-10-31 | 2021-02-02 | 沪东中华造船(集团)有限公司 | Precision control method of cylindrical base for ship |
| CN109606540A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of accuracy control method of ship cylindrical base |
| CN110282072A (en) * | 2019-06-27 | 2019-09-27 | 中船黄埔文冲船舶有限公司 | The determination method of full-rotating rudder paddle deep bracket surplus cutting line |
| CN110525623A (en) * | 2019-08-26 | 2019-12-03 | 芜湖造船厂有限公司 | Shipping lateral thruster motor base and shipping lateral thruster motor base welding method |
| CN113879481A (en) * | 2021-10-28 | 2022-01-04 | 中船黄埔文冲船舶有限公司 | Mounting method of lower sealing plate of base of full-rotation propeller |
| CN113879481B (en) * | 2021-10-28 | 2023-07-25 | 中船黄埔文冲船舶有限公司 | Method for mounting lower sealing plate of full-rotation propeller base |
| CN114162280A (en) * | 2021-12-15 | 2022-03-11 | 上海振华重工启东海洋工程股份有限公司 | Allowance-free folding installation process for stern ring segment |
| CN114162280B (en) * | 2021-12-15 | 2023-08-29 | 上海振华重工启东海洋工程股份有限公司 | No-allowance folding installation process for stern ring section |
| CN114084311A (en) * | 2021-12-27 | 2022-02-25 | 江龙船艇科技股份有限公司 | High-precision installation method for full-slewing device |
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Address after: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510715 Patentee after: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Address before: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510715 Patentee before: CSSC Guangzhou Huangpu Shipbuilding Co.,Ltd. |
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