CN108838637B - Method for assembling rudder stock and rudder blade taper hole - Google Patents
Method for assembling rudder stock and rudder blade taper hole Download PDFInfo
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- CN108838637B CN108838637B CN201810697122.9A CN201810697122A CN108838637B CN 108838637 B CN108838637 B CN 108838637B CN 201810697122 A CN201810697122 A CN 201810697122A CN 108838637 B CN108838637 B CN 108838637B
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- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The invention relates to the technical field of manufacturing of marine rudder devices, in particular to an assembling method of a rudder stock and a rudder blade taper hole. Carrying out secondary grinding and matching on the rudder blade and the rudder stock; trial assembly is carried out on the rudder blade and the rudder stock, the matching condition of the taper holes is checked, grinding and matching are carried out, and the complete matching is determined; step positioning false keys are prepared by measuring the sizes of a rudder blade key groove finished product and a rudder stock key groove after processing; the rudder stock with the step positioning false key is matched with the rudder blade, and the center line of the rudder blade key groove is aligned with the center line of the rudder stock key groove through matching surfaces on two sides of the step positioning false key; taking out the rudder stock and the step positioning false key, and drawing positioning lines on two sides of the ground step positioning false key on the rudder stock; machining the allowance of the width of the key groove of the rudder stock according to the positioning lines on the two sides; the invention has simple process and ingenious design, can conveniently and quickly assemble and process the rudder blade and the rudder stock, and is suitable for manufacturing rudder devices with various specifications and lengths, wherein the rudder blade taper hole is connected with the rudder stock taper body.
Description
Technical Field
The invention relates to the technical field of manufacturing of marine rudder devices, in particular to an assembling method of a rudder stock and a rudder blade taper hole.
Background
The connection form of a rudder blade and a rudder bar in the rudder device on the ship is hydraulic taper hole connection and keyed taper hole connection; the taper hole connection form with the long flat key has the advantages of reliable work and compact structure; but the part processing precision is high during construction, and the construction period is long; the requirement of a client on the quality of the brush fitting is high; therefore, it is very necessary to research an assembly method of the rudder stock and the rudder blade taper hole to simplify the process flow and improve the assembly efficiency.
Disclosure of Invention
In view of the defects of the prior art, the invention provides an assembly method of a rudder stock and a rudder blade taper hole, which is simpler and is applicable to key taper hole fitting processes (such as straight hole and flat key, wedge key and semi-circular key, or connection forms of a taper hole and flat key, wedge key and semi-circular key) with various connection forms, and can fundamentally solve the problem of taper hole and key dislocation caused by key and key groove processing and matching deviation.
In order to achieve the purpose, the technical scheme of the invention is an assembly method of a rudder stock and a rudder blade taper hole, which comprises the following specific steps:
step 1: processing the conical surface of the rudder stock into a conical surface with a required taper ratio;
after grinding and processing allowance is reserved for the conical hole of the rudder blade, processing the conical hole of the rudder blade into a conical surface; the taper ratio of the rudder blade taper hole is equal to that of the rudder stock taper surface;
step 2: carrying out primary coarse grinding and matching on a rudder blade and a rudder stock;
the rudder stock draws the central line and the position checking line of the key groove of the rudder stock; after the rudder blade and a rudder stock are assembled in a trial mode, drawing a central line of a key groove of the rudder blade and inspection lines on two sides after machining;
according to the central line of the key groove of the rudder stock (the position inspection lines on the two sides are used for detecting and measuring whether the key groove deviates from the central line when the key groove is processed, because the central line is processed firstly during processing), the key groove of the rudder stock is processed and a processing allowance is reserved in the width direction of the key groove of the rudder stock;
the rudder blade processes a rudder blade key groove finished product according to a drawn rudder blade key groove central line (position inspection lines on two sides are used for detecting and measuring whether the rudder blade key groove deviates from the central line when the key groove is processed, and the central line is processed firstly when the key groove is processed);
and step 3: carrying out secondary grinding and matching on the rudder blade and the rudder stock;
trial assembly is carried out on the rudder blade and the rudder stock, the matching condition of the taper holes is checked, grinding and matching are carried out, and the complete matching is determined; step positioning false keys are prepared by measuring the sizes of the rudder blade key groove finished product and the rudder stock key groove processed in the step 2; the rudder stock with the step positioning false key is matched with the rudder blade, and the center line of the rudder blade key groove is aligned with the center line of the rudder stock key groove through matching surfaces on two sides of the step positioning false key; taking out the rudder stock and the step positioning false key, and drawing positioning lines on two sides of the ground step positioning false key on the rudder stock; machining the allowance of the width of the key groove of the rudder stock according to the positioning lines on the two sides;
and 4, step 4: carrying out third grinding and matching on the rudder blade and the rudder stock, and preparing a practical key according to the dimension measured by the key groove of the rudder stock processed in the step 3; the rudder post with the practical key and the taper hole are matched and assembled.
The above scheme is further explained, and the specific steps are as follows:
step 1: after a machining allowance and a grinding allowance are reserved in the length direction of a conical hole of the rudder stock, machining the conical surface of the rudder stock into a conical surface with a required taper ratio; reserving machining allowance and bedding-in allowance for the rudder blade taper hole according to ship specification requirements, and machining the rudder blade taper hole into a conical surface with a required taper ratio;
step 2: carrying out primary coarse grinding and matching on a rudder blade and a rudder stock; ensuring that the bonding area meets the process requirements; meanwhile, the coaxiality meets the requirements of drawings; then drawing a center line and a position checking line of a key groove of the rudder stock on a platform of the rudder stock; after the rudder blade and the rudder stock are assembled in a trial mode, drawing the center line of the key groove of the rudder blade and the inspection lines on the two sides after machining in a key groove position required by a drawing in a matching mode; machining a conical surface and a key groove on the rudder stock and reserving enough allowance in the width direction; the rudder blade is processed into a key groove finished product according to the central line of a key groove of the rudder blade matched with a picture, and the key groove is a tapered key groove and is convenient to match with a key;
and step 3: carrying out secondary grinding and matching on the rudder blade and the rudder stock; trial assembly is carried out on the rudder blade and the rudder stock to check the matching condition of the taper holes, and the complete matching is determined; step positioning false keys are prepared by measuring the sizes of the rudder blade key groove finished product and the rudder stock key groove processed in the step 2; the rudder stock with the step positioning false key is matched with the rudder blade, and the center line of the rudder blade key groove is reflected to the center line of the rudder stock key groove through matching surfaces on two sides of the matched step positioning false key; drawing lines according to the positioning positions of the false keys; machining the allowance of the width of the key groove of the rudder stock;
and 4, step 4: carrying out third grinding and matching on the rudder blade and the rudder stock, and preparing a practical key according to the dimension measured by the key groove of the rudder stock processed in the step 3; the rudder stock is provided with a practical key and is matched with the taper hole, the combination area of the axis centering and the conical surface of the rudder blade and the rudder stock is required to be not less than the process standard requirement, and the practical key and the fit clearance between the practical key and the rudder blade and the key groove of the rudder stock are ensured to meet the requirement of the ship standard.
Based on the technical scheme, the rudder stock, the conical surfaces of the rudder blade and the key grooves are processed in four processes, so that the precise matching of the rudder stock and the rudder blade is ensured, the size deviation and the form and position tolerance are as small as possible, the combination gap is within 0.03mm, the stepped positioning false key is adopted, the effect of taking all the processes into consideration before and after starting is achieved, and the operation is easy.
The invention has the beneficial effects that: the rudder blade taper hole and rudder stock taper hole connecting device has the advantages of simple process and ingenious design, can conveniently and quickly assemble and process rudder blades and rudder stocks, and is suitable for manufacturing rudder devices with various specifications and lengths, and the rudder blade taper hole with the long flat key is connected with the rudder stock taper body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a stepped positioning key;
FIG. 3 is an axial research and distribution scale (unit: mm) of the rudder stock and the rudder blade cone part;
in the figure: 1. rudder stock, 2 rudder blades, 3 ladder false keys, 4 practical keys.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the following description is made with reference to the accompanying drawings and specific examples.
Example 1
A method for assembling a rudder stock and a rudder blade taper hole comprises the following specific steps:
step 1: as shown in fig. 3, the shaft diameters of different diameters specified in the ship specification are taken as follows, for example: the shaft diameter is 400 mm, the axial matching amount is 6 mm, and the taper ratio is 1: 30; the radial dosage is 0.2 mm; after enough grinding and machining allowance is left in the length direction of the taper hole of the rudder stock, machining the conical surface of the rudder stock into a conical surface with the taper ratio of 1: 30; reserving proper machining allowance and matching allowance for the rudder blade taper hole according to ship specifications, and machining the rudder blade taper hole into a conical surface with the taper ratio of 1: 30;
wherein the taper ratio of the conical hole of the rudder blade is equal to that of the conical surface of the rudder stock;
step 2: the rudder blade 2 and the rudder stock 1 are roughly ground and matched for the first time, and the combination area is ensured to meet the process requirement (more than 50% of the contact area is required); meanwhile, the coaxiality meets the requirement of a drawing (the coaxiality is less than 1: 5000); then drawing a key slot central line and a position checking line on a platform on the rudder stock; after the rudder blade 2 and the rudder stock 1 are trial-assembled, the central line of the key groove of the rudder blade and the inspection lines on the two sides after processing are drawn in a way of matching with the key groove position required by a drawing; machining a conical surface and a key groove of the rudder stock 1 by the rudder stock 1, and reserving enough allowance in the width direction (reserving 0.3 millimeter grinding amount in the width direction of the key groove of the rudder stock); the rudder blade 2 is processed into a rudder blade key groove finished product according to the central line of the rudder blade key groove, and the key groove is required to be a tapered key groove, so that key matching is convenient;
and step 3: carrying out secondary grinding and matching on the rudder blade 2 and the rudder stock 1; the rudder blade 2 and the rudder stock 1 are subjected to trial assembly to check the matching condition of the taper holes, and no change is determined, namely the cooperation is complete; preparing a step positioning false key 3 structure as shown in figure 2; the rudder stock step positioning false key 3 and the rudder blade 2 are ground and matched, and the center line of the rudder blade key groove is reflected to the center line of the rudder stock key groove through matching surfaces on two sides of the ground and matched step positioning false key 3; drawing lines according to the positioning positions of the stepped positioning dummy keys 3; machining the allowance of the width of the key groove of the rudder stock;
and 4, step 4: carrying out third grinding and matching on the rudder blade 2 and the rudder stock 1, and preparing a practical key according to the size of an actual key groove; the rudder stock 1 with the practical key is matched with the conical hole of the rudder blade 2, the combination area of the rudder blade 2 and the conical surface of the rudder stock 1 is required to be not less than the process standard requirement (after the connection surface of the rudder blade and the rudder stock is ground, the contact spot is not less than two points in every 25mm region of the contact surface, the contact surface is not less than 70 percent, the filler gauge with the thickness of 0.03mm is not plugged in the two ends of the taper), and the practical key and the fit clearance between the practical key and the rudder blade 2 and the key groove of the rudder stock are ensured to meet the requirement of the ship standard, and then the user is handed over.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (2)
1. The method for assembling the rudder stock and the rudder blade taper hole is characterized in that: the method comprises the following specific steps:
step 1: processing the conical surface of the rudder stock into a conical surface;
after grinding and processing allowance is reserved for the conical hole of the rudder blade, processing the conical hole of the rudder blade into a conical surface; the taper ratio of the rudder blade taper hole is equal to that of the rudder stock taper surface;
step 2: carrying out primary coarse grinding and matching on a rudder blade and a rudder stock;
the rudder stock draws the central line and the position checking line of the key groove of the rudder stock; after the rudder blade and a rudder stock are assembled in a trial mode, drawing a central line of a key groove of the rudder blade and inspection lines on two sides after machining;
according to the central line of the key groove of the rudder stock, processing the key groove of the rudder stock and reserving a processing allowance in the width direction of the key groove of the rudder stock;
processing a rudder blade key groove finished product according to the drawn central line of the rudder blade key groove by the rudder blade;
and step 3: carrying out secondary grinding and matching on the rudder blade and the rudder stock;
trial assembly is carried out on the rudder blade and the rudder stock, the matching condition of the taper holes is checked, grinding and matching are carried out, and the complete matching is determined; step positioning false keys are prepared by measuring the sizes of the rudder blade key groove finished product and the rudder stock key groove processed in the step 2; the rudder stock with the step positioning false key is matched with the rudder blade, and the center line of the rudder blade key groove is aligned with the center line of the rudder stock key groove through matching surfaces on two sides of the step positioning false key; taking out the rudder stock and the step positioning false key, and drawing positioning lines on two sides of the ground step positioning false key on the rudder stock; machining the allowance of the width of the key groove of the rudder stock according to the positioning lines on the two sides;
and 4, step 4: carrying out third grinding and matching on the rudder blade and the rudder stock, and preparing a practical key according to the dimension measured by the key groove of the rudder stock processed in the step 3; the rudder post with the practical key and the taper hole are matched and assembled.
2. The method for assembling a rudder stock and a rudder blade cone hole according to claim 1, wherein:
step 1: after a machining allowance and a grinding allowance are reserved in the length direction of a conical hole of the rudder stock, machining the conical surface of the rudder stock into a conical surface with a required taper ratio; reserving machining allowance and bedding-in allowance for the rudder blade taper hole according to ship specification requirements, and machining the rudder blade taper hole into a conical surface with a required taper ratio;
step 2: carrying out primary coarse grinding and matching on a rudder blade and a rudder stock; ensuring that the bonding area meets the process requirements; meanwhile, the coaxiality meets the requirements of drawings; then drawing a center line and a position checking line of a key groove of the rudder stock on a platform of the rudder stock; after the rudder blade and the rudder stock are assembled in a trial mode, drawing the center line of the key groove of the rudder blade and the inspection lines on the two sides after machining in a key groove position required by a drawing in a matching mode; machining a conical surface and a rudder stock key groove on the rudder stock and reserving enough allowance in the width direction; the rudder blade processes a rudder blade key groove finished product according to the central line of a rudder blade key groove which is matched with a picture, and the rudder stock key groove and the rudder blade key groove are both tapered key grooves;
and step 3: carrying out secondary grinding and matching on the rudder blade and the rudder stock; trial assembly is carried out on the rudder blade and the rudder stock to check the matching condition of the taper holes, and the complete matching is determined; step positioning false keys are prepared by measuring the sizes of the rudder blade key groove finished product and the rudder stock key groove processed in the step 2; the rudder stock with the step positioning false key is matched with the rudder blade, and the center line of the rudder blade key groove is reflected to the center line of the rudder stock key groove through matching surfaces on two sides of the matched step positioning false key; taking out the rudder stock and the step positioning false key, and drawing positioning lines on two sides of the ground step positioning false key on the rudder stock; machining the allowance of the width of the key groove of the rudder stock according to the positioning lines on the two sides;
and 4, step 4: carrying out third grinding and matching on the rudder blade and the rudder stock, and preparing a practical key according to the dimension measured by the key groove of the rudder stock processed in the step 3; the rudder post is provided with a practical key and is matched with the taper hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810697122.9A CN108838637B (en) | 2018-06-29 | 2018-06-29 | Method for assembling rudder stock and rudder blade taper hole |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810697122.9A CN108838637B (en) | 2018-06-29 | 2018-06-29 | Method for assembling rudder stock and rudder blade taper hole |
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| CN108838637A CN108838637A (en) | 2018-11-20 |
| CN108838637B true CN108838637B (en) | 2021-02-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110293370A (en) * | 2019-06-19 | 2019-10-01 | 沪东中华造船(集团)有限公司 | The processing method and process tool of tiller and rudder stock cooperation circular cone pin hole below rudder bearer |
| CN112857187B (en) * | 2021-03-02 | 2022-08-23 | 中实洛阳重型机械有限公司 | Detection method for accurately machining rudder stock taper |
| CN114453791B (en) * | 2022-03-21 | 2024-01-26 | 理工造船(鄂州)股份有限公司 | Rudder post rudder blade welding method of small-sized ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH492890A (en) * | 1968-10-08 | 1970-06-30 | Etem Ets De Tech Mod | Fixing pin |
| CN201472620U (en) * | 2009-07-10 | 2010-05-19 | 江苏扬子江船厂有限公司 | Horizontal rudder blade and rudder stock fitting device of large ships |
| US8739376B1 (en) * | 2010-01-29 | 2014-06-03 | Kenneth P. Vidmar | CV joint removal tool |
| CN101774420B (en) * | 2010-04-01 | 2012-10-03 | 武昌船舶重工有限责任公司 | Mounting method of ship long axis system |
| CN103029806A (en) * | 2011-10-10 | 2013-04-10 | 上海船厂船舶有限公司 | Ship rudder blade repairing method |
| CN103128704B (en) * | 2013-02-27 | 2014-11-26 | 哈尔滨汽轮机厂有限责任公司 | Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove |
| CN103949848B (en) * | 2014-04-02 | 2016-01-06 | 大连健达金属制品有限公司 | A kind of mechanical processing technique of rudder tie member |
| CN204268995U (en) * | 2014-11-17 | 2015-04-15 | 江门市南洋船舶工程有限公司 | A kind of marine rudder system tapering model |
| CN205172491U (en) * | 2015-11-11 | 2016-04-20 | 中石化石油工程技术服务有限公司 | Spacing directional nipple joint of axial |
| CN106493519B (en) * | 2016-11-07 | 2019-04-05 | 珠海市和裕丰船舶设备有限公司 | A kind of processing method of cone and taper hole |
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Address after: 116000 No. 1, Haiphong street, Xigang District, Liaoning, Dalian Patentee after: Dalian Jiucheng Shipbuilding Industry Rudder Shaft Co.,Ltd. Address before: 116000 No. 1, Haiphong street, Xigang District, Liaoning, Dalian Patentee before: DSIC RUDDER AND SHAFT CO.,LTD. |