CN110920826B - Rudder bar mechanism capable of adjusting eccentricity - Google Patents
Rudder bar mechanism capable of adjusting eccentricity Download PDFInfo
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- CN110920826B CN110920826B CN201911040112.9A CN201911040112A CN110920826B CN 110920826 B CN110920826 B CN 110920826B CN 201911040112 A CN201911040112 A CN 201911040112A CN 110920826 B CN110920826 B CN 110920826B
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Abstract
The invention discloses a rudder stock mechanism capable of adjusting eccentricity, which comprises: a sealing base; the adjusting tool comprises a plurality of first holes distributed annularly and a plurality of second holes distributed annularly, the second hole distribution circle has an eccentric amount and an eccentric direction compared with the first hole distribution circle, the adjusting tool is assembled and connected on the sealing base through first hole threads, and the first hole distribution circle is coaxial with the sealing base; and the sealing seat plate is in threaded assembly connection with the adjusting tool through a second hole, the second hole distribution circle is coaxial with the sealing seat plate, a cavity is arranged at the axis of the sealing seat plate, and the rudder stock penetrates through the cavity. The invention makes the seal ring and the rudder stock concentric under the condition of not moving the original seal base, thereby preventing the seal ring from deforming to cause water leakage.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a rudder stock mechanism capable of adjusting eccentricity.
Background
In the ship building process, because the illumination is performed after the segmented hoisting and assembling work below the main deck and the structural work of the segments below the tail deck are finished, the positions of the steering engine base and the rudder stock sealing device base are usually positioned according to the illumination result. The steering engine is already installed in place at the stage of a slipway or a dock, and the hole position of the sealing seat plate is processed according to the actual position of the rudder stock, so that the rudder stock is positioned in the middle of the sealing seat plate, and the good sealing of the rudder stock is ensured. However, due to the fact that the illumination precision is not controlled in place, the installed rudder stock can be eccentric, and meanwhile, after the upper building part, the chimney part and the equipment part are hoisted in place in the later period and are all installed in place, the ship body can slightly deform, and the situation that the rudder stock is eccentric can also occur. The eccentric extrusion rudder stock sealing ring of rudder stock leads to the sealing washer to warp to lead to boats and ships to take place the sealed department of rudder stock phenomenon of leaking under the heavy load condition.
Disclosure of Invention
The invention provides a rudder stock mechanism capable of adjusting eccentricity, aiming at the problems in the prior art, and partial embodiments of the invention can adopt corresponding adjustment measures to prevent water leakage after the situation of the eccentricity of the rudder stock occurs. Because the steering engine body is large, the base is welded well, and the position of the sealing device at the upper part of the rudder stock is as the position indicated by an arrow in figure 1, if the rudder stock is re-illuminated and positioned, the engineering quantity is too large, the maintenance of the rudder stock needs to be performed, the cycle is long, the cost is high, and the arrangement of the ship loading cycle is delayed; if with the method of adjustment base position, though can the work load that significantly reduces, nevertheless need will weld fixed rudderstock seal base firer and remove, then according to actual relocation, because of steering wheel base below manhole gets into the back space narrow and small, it is inconvenient to be under construction. Aiming at the situation, the position of the sealing ring is adjusted through the adjusting tool, the sealing ring and the rudder stock are concentric under the condition that an original fixed base is not moved, and the sealing ring is prevented from deforming to cause water leakage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tiller mechanism capable of adjusting eccentricity, the tiller mechanism comprising: a sealing base; the adjusting tool comprises a plurality of first holes distributed annularly and a plurality of second holes distributed annularly, the second hole distribution circle has an eccentric amount and an eccentric direction compared with the first hole distribution circle, the adjusting tool is assembled and connected on the sealing base through first hole threads, and the first hole distribution circle is coaxial with the sealing base; and
the sealing seat plate is in threaded assembly connection with the adjusting tool through a second hole, the second hole is distributed in a circle and coaxial with the sealing seat plate, a cavity is arranged at the axis of the sealing seat plate, and the rudder stock penetrates through the cavity.
Preferably, the rudder stock mechanism includes: the sealing cover plate is fixedly connected to the sealing seat plate, and the rudder stock penetrates through the sealing cover plate and protrudes out of the sealing cover plate.
Preferably, three layers of sealing rings are arranged in the cavity, and the interference directions between the sealing rings and the rudder stock are different.
Preferably, a beef tallow pipe with one end communicated with the outside is arranged on the sealing seat plate, and the other end of the beef tallow pipe extends into the cavity.
Preferably, the adjusting tool comprises two semicircular ring plates, a through hole is formed in one end of each semicircular ring plate, and a screw hole matched with the through hole is formed in the other end of each semicircular ring plate.
Preferably, the two ends of the semicircular plate are provided with vertical sealing grooves which can be combined into a whole during assembly, and the sealing grooves are closer to the circle center of the first hole distribution circle than the through holes and the screw holes.
Preferably, one end of the semicircular plate where the through hole is located is provided with an inclined concave structure communicated with the through hole, so that the bolt can be conveniently assembled.
Preferably, the second hole is a threaded hole and the first hole is a counter bore.
Preferably, the inner diameter and the outer diameter of the adjusting tool are equal to the inner diameter and the outer diameter of the sealing base.
Preferably, sealing gaskets are arranged between the sealing base and the adjusting tool and between the adjusting tool and the sealing seat plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the sealing seat plate can deviate along the eccentric direction of the rudder stock by adjusting the tool under the condition that a steering engine base is not moved, so that the rudder stock is positioned at the center of the sealing ring, the sealing ring is prevented from deforming and leaking water, the lighting and positioning work of a rudder system is not required to be carried out again, and the modification engineering quantity is greatly reduced;
2. the adjusting tool is provided with a circle of threaded holes and a circle of counter bores, the distance between the centers of circles of distribution circles of the two circles of holes is the eccentric distance of the rudder stock, the tool can be tightly connected with the original sealing device base by embedding inner hexagon head bolts in the counter bores, the tool can be tightly connected with the original sealing seat plate by the threaded holes, the tool belongs to the transition plate of the original sealing device, and the adjusting tool is simple to install and convenient to construct;
3. the adjusting tool is composed of two semicircular plates, the splicing surfaces are provided with bolt holes, the two semicircular plates can be tightly connected through the bolts to form a complete annular plate, meanwhile, a groove is formed in the middle of the splicing surfaces of the two semicircular plates of the tool and used for placing a sealing strip, the sealing strip can achieve a good sealing effect under the condition that the bolts are screwed, and water is prevented from seeping out from the splicing surfaces;
4. the operation can be carried out without special training, and additional cost is not needed, and the training and operation cost is almost zero;
5. the tool has certain universality, and the tool can be used for adjusting the condition that a seal ring is slightly and eccentrically extruded on a ship rudder stock adopting a Rolls-Royce steering engine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an adjustment tool.
Fig. 2 is a view from a-a in fig. 1.
Fig. 3 is an enlarged view of fig. 1 at B.
FIG. 4 is a diagram of the counterbore size of the adjustment tool.
Fig. 5 is a partial schematic view of a tiller mechanism without an adjustment tool installed.
Fig. 6 is a schematic view of the connection between the adjustment tool and the seal seat plate.
Fig. 7 is a schematic view of the connection between the adjustment tool and the sealing base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 7, the present embodiment provides a method for adjusting an eccentricity of a rudder stock, including: measuring the eccentricity and the eccentricity direction of the rudder stock 1 compared with the sealing cover plate 2; disassembling the sealing cover plate 2; processing an adjusting tool 3 according to the eccentric amount and the eccentric direction, wherein the adjusting tool 3 comprises a plurality of first holes 31 distributed annularly and a plurality of second holes 32 distributed annularly, and the distributed circles of the second holes 32 have the same eccentric amount and eccentric direction compared with the distributed circles of the first holes 31; the sealing seat plate 4 is disassembled from the sealing base and then lifted; the adjusting tool 3 is assembled and fixed on the sealing base 5 through the first hole 31 in a threaded mode; after the position of the seal seat plate 4 is adjusted, the seal seat plate 4 is put down, and the seal seat plate 4 is assembled and fixed on the adjusting tool 3 through the second hole 32; the sealing cover plate 2 is restored.
The adjusting tool 3 comprises two semicircular ring plates, one ends of the semicircular ring plates are provided with through holes 33, and the other ends of the semicircular ring plates are provided with screw holes 34 matched with the through holes 33.
The two ends of the semicircular plate are provided with vertical sealing grooves 35 which can be integrated during assembly, and the sealing grooves 35 are closer to the circle center of the distribution circle of the first hole 31 than the through hole 33 and the screw hole 34.
The end of the semicircular plate where the through hole 33 is located has an inclined concave structure 36 communicated with the through hole 33 for facilitating the assembly of the bolt.
The measurement of the eccentricity and the eccentricity direction of the rudder stock 1 compared with the sealing cover plate 2 comprises: the gap values between the rudder stock 1 and the seal cover 2 are measured from a plurality of directions, and the eccentricity amount and the eccentricity direction are measured from the plurality of gap values.
The adjusting method comprises the following steps: removing the beef tallow, the beef tallow pipe and the sealing ring before adjustment, and recovering the beef tallow, the beef tallow pipe and the sealing ring after adjustment.
The second bore 32 is a threaded bore and the first bore 31 is a counter bore.
The inner diameter and the outer diameter of the adjusting tool 3 are equal to those of the sealing base.
Preferably, in another embodiment, a rudder stock mechanism capable of adjusting eccentricity is disclosed, the rudder stock mechanism including: a sealing base 5; the adjusting tool 3 comprises a plurality of first holes 31 distributed annularly and a plurality of second holes 32 distributed annularly, the distribution circle of the second holes 32 has an eccentric amount and an eccentric direction compared with the distribution circle of the first holes 31, the adjusting tool 3 is assembled and connected on the sealing base 5 through the first holes 31 in a threaded manner, and the distribution circle of the first holes 31 is coaxial with the sealing base 5; and
The tiller mechanism includes: the sealing cover plate 2 is fixedly connected to the sealing seat plate 4, and the rudder stock 1 penetrates through the sealing cover plate 2 and protrudes out of the sealing cover plate 2.
Three layers of sealing rings are arranged in the cavity, and the interference directions between the sealing rings and the rudder stock 1 are different.
The sealing seat plate 4 is provided with a beef tallow pipe 6, one end of which is communicated with the outside, and the other end of the beef tallow pipe extends into the cavity.
The adjusting tool 3 comprises two semicircular ring plates, one ends of the semicircular ring plates are provided with through holes 33, and the other ends of the semicircular ring plates are provided with screw holes 34 matched with the through holes 33.
The two ends of the semicircular plate are provided with vertical sealing grooves 35 which can be integrated during assembly, and the sealing grooves 35 are closer to the circle center of the distribution circle of the first hole 31 than the through hole 33 and the screw hole 34.
The end of the semicircular plate where the through hole 33 is located has an inclined concave structure 36 communicated with the through hole 33 for facilitating the assembly of the bolt.
The second bore 32 is a threaded bore and the first bore 31 is a counter bore.
The inner diameter and the outer diameter of the adjusting tool 3 are equal to those of the sealing base 5.
Sealing gaskets are arranged between the sealing base 5 and the adjusting tool 3 and between the adjusting tool 3 and the sealing seat plate 4.
The adjusting tool is used for adjusting the position of the sealing ring, and the sealing seat plate and the rudder stock are concentric under the condition that the sealing base is not moved, so that the sealing ring is prevented from deforming to cause water leakage.
Machining in adjusting the cross-section of the seat plate
The depth of the through hole is 30mm with the threaded hole of M8, the through holes on the two semicircular seat plates correspond to the center of the threaded hole, the two semicircular adjusting seat plates are assembled and fixed by using an M8X50 hexagon socket head cap screw, and the adjusting seat plates are processed on the break line
For placing in the aperture
The O-shaped rubber sealing strip prevents the closure surface from leaking.
The material of the adjusting tool is 316L stainless steel, 1-12 are counter bores, and 13-24 are threaded holes of M12, wherein the use requirements are as follows:
1. the inner diameter and the outer diameter of the adjusting tool are the same as those of the rudder stock sealing device base;
2. the center of a circle of a threaded hole distribution circle in the adjusting tool is the center of the adjusting tool, and the eccentric quantity M of the center of the circle of a counter bore distribution circle is the eccentric quantity of the rudder stock and is determined according to field measurement;
3. the number of the inner hexagon screws needing to be matched with M12X25 and the number of the matched gaskets are respectively 12, 2 inner hexagon screws needing to be matched with M8X50 are needed, and the inner hexagon screws need to be matched with
The two rubber O-shaped sealing strips are adopted.
And the sealing seat plate and the sealing base in the rudder stock mechanism without the adjusting tool are fixed through bolts. After the adjusting tool is added, the sealing seat plate is connected with the sealing base through 24 holes in the adjusting tool, and the adjusting tool is connected with the sealing seat plate through a bolt of M12X 25; the adjusting tool and the sealing base are connected with each other through an original threaded hole of the sealing base, wherein the adjusting tool is embedded into the adjusting tool through an inner hexagonal screw of M12.
The tool has the following advantages:
the sealing ring seat plate sealed by the rudder stock can deviate along the eccentric direction of the rudder stock by the tool without moving a steering engine base, so that the rudder stock is positioned at the center of the sealing ring, the sealing ring is prevented from deforming, water leakage is prevented, and the lighting and positioning installation work of a rudder system is not required to be carried out again. If rudder system shines light and installs then need the dock again, then carries out the work of rudder and steering wheel dismouting and dress, and the engineering volume is huge, and construction cycle needs more than two weeks, need consume a large amount of manpower and materials, uses this frock can greatly reduced revise the engineering volume.
The tool is provided with two circles of different holes, one circle is a threaded hole, the other circle is a counter bore, the central distance of a circle distributed in the two circles of holes is the eccentric distance of the rudder stock, the tool can be tightly connected with an original sealing base by embedding a hexagon socket head cap bolt in the counter bore, the tool can be tightly connected with an original sealing seat plate by the threaded hole, the tool belongs to a transition plate of an original sealing device, the position of the sealing seat plate of the original rudder stock sealing device is deviated by utilizing the eccentric distribution of the two circles of holes, the principle is simple, and construction is convenient.
This frock comprises the form of two semicircle ring boards, and its disconnection terminal surface all is equipped with the screw hole, can get up two semicircle ring boards through the inseparable assembling of bolt, forms a complete ring board, has the slot to be used for placing the sealing strip in the middle of two semicircle ring board concatenation faces of this frock simultaneously, and the sealing strip can play good sealed effect under the condition that the bolt was screwed up, prevents that water from oozing between the contact surface.
The tool can be operated without special training, extra cost is not needed, and the training and operating cost is almost zero.
The tool has certain universality, and the tool can be used for adjustment under the condition that a seal ring is slightly and eccentrically extruded on a ship rudder stock adopting a Rolls-Royce steering engine.
Preferably, in another embodiment, an adjustment method is disclosed, the method comprising the steps of:
1. removing anti-pollution beef tallow above a sealing cover plate of the rudder stock sealing device, and dismantling a beef tallow pipe;
2. measuring the clearances between the rudder stock and the sealing cover plate in eight directions, and recording the eccentric amount and the eccentric direction;
3. disassembling the sealing cover plate, checking whether the three sealing rings deform and whether the directions of the sealing rings are correct (a butter mouth in the middle of the sealing ring needs to be taken out), if the three sealing rings deform, replacing a new sealing ring, connecting the sealing rings by using special strong glue, and ensuring that the directions of the three sealing rings are correct;
4. if the eccentric condition exists, processing and adjusting the tool according to actually measured eccentric data, and adjusting the eccentric distance of the center of a counter bore distribution circle of the tool to be actually measured rudder stock eccentric data;
5. the original sealing seat plate is required to be detached when an adjusting tool is added, the original sealing seat plate is hung by a rope, two semicircular adjusting seat plates are folded by taking the rudder stock as the center, and the middle two adjusting seat plates are
Is added into the small hole
The two M8 hexagon socket head cap screws are screwed tightly, so that the adjusting seat plate is integrated;
6. placing the assembled adjusting tool along the eccentric direction of the rudder stock, placing a rubber gasket between the adjusting tool and the base of the sealing device of the rudder stock, and installing a gasket and an inner hexagon bolt of M12 in a counter bore and symmetrically and sequentially screwing;
7. rotating the original sealing seat plate to ensure that the positions of the threaded holes correspond to each other, placing a rubber sealing washer between the adjusting tool and the original sealing seat plate, and sequentially and symmetrically screwing M12 screws;
8. and placing the sealing ring and the butter mouth in place, smoothening the position of the sealing ring, installing the cover plate in place, connecting the butter pipe, injecting a proper amount of butter, coating a layer of anti-pollution butter on the cover plate, and finishing adjustment.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (10)
1. Rudder stock mechanism with adjustable eccentricity characterised in that it comprises:
a sealing base (5);
the adjusting tool (3) comprises a plurality of first holes (31) distributed in an annular mode and a plurality of second holes (32) distributed in an annular mode, the distribution circle of each second hole (32) has equal eccentric amount and eccentric direction compared with the distribution circle of each first hole (31), the adjusting tool (3) is in threaded assembly connection with the sealing base (5) through the first holes (31), and the distribution circle of each first hole (31) is coaxial with the sealing base (5); and
seal seat board (4), seal seat board (4) are in through second hole (32) threaded assembly connection adjust on frock (3), second hole (32) distribute the circle with seal seat board (4) are coaxial, the axle center department of seal seat board (4) sets up the cavity, and rudderstock (1) passes the cavity.
2. Rudder post mechanism with adjustable eccentricity according to claim 1, characterised in that it comprises:
the rudder stock (1) penetrates through the sealing cover plate (2) and protrudes out of the sealing cover plate (2).
3. Rudder post mechanism with eccentric adjustment according to claim 2, characterised in that three layers of sealing rings are arranged in the chamber, the direction of interference between the sealing rings and the rudder post (1) being different.
4. Rudder post mechanism capable of adjusting eccentricity according to claim 3, wherein a beef tallow pipe is arranged on the seal seat plate (4), one end of the beef tallow pipe is communicated with the outside, and the other end of the beef tallow pipe extends into the cavity.
5. Rudder post mechanism capable of adjusting eccentricity according to claim 1, wherein the adjusting fixture (3) comprises two semicircular plates, one end of each semicircular plate is provided with a through hole (33), and the other end of each semicircular plate is provided with a screw hole (34) matched with the through hole (33).
6. Rudder post mechanism capable of adjusting eccentricity according to claim 5, wherein the two ends of the semicircular plates are provided with vertical sealing grooves (35) that can be integrated during assembly, and the sealing grooves (35) are closer to the center of the circle of the first hole (31) than the through hole (33) and the screw hole (34).
7. Rudder post mechanism with eccentric adjustment according to claim 6, wherein the through hole (33) of the semi-circular ring plate is provided with an inclined recess (36) at one end communicating with the through hole (33) for facilitating the assembly of a bolt.
8. Rudder post mechanism with adjustable eccentricity according to claim 1, characterised in that the second hole (32) is a threaded hole and the first hole (31) is a counter bore.
9. Tiller mechanism according to claim 1, characterised in that the inner and outer diameter of the adjustment tool (3) and the inner and outer diameter of the sealing base (5) are equal.
10. Rudder post mechanism with eccentric adjustment according to claim 1, wherein sealing gaskets are arranged between the sealing base (5) and the adjustment tool (3) and between the adjustment tool (3) and the sealing seat plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040112.9A CN110920826B (en) | 2019-10-29 | 2019-10-29 | Rudder bar mechanism capable of adjusting eccentricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040112.9A CN110920826B (en) | 2019-10-29 | 2019-10-29 | Rudder bar mechanism capable of adjusting eccentricity |
Publications (2)
| Publication Number | Publication Date |
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| CN110920826A CN110920826A (en) | 2020-03-27 |
| CN110920826B true CN110920826B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911040112.9A Active CN110920826B (en) | 2019-10-29 | 2019-10-29 | Rudder bar mechanism capable of adjusting eccentricity |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912514B2 (en) * | 1976-10-14 | 1984-03-23 | 三菱重工業株式会社 | How to install the rudder |
| US6855015B2 (en) * | 2002-07-17 | 2005-02-15 | Teleflex Canada Limited Partnership | Device for rotating with a multisided socket |
| CN101323351B (en) * | 2008-06-27 | 2012-05-30 | 沪东中华造船(集团)有限公司 | Shipping rudder system lighting and mounting method |
| CN102336249B (en) * | 2011-07-12 | 2013-06-05 | 宜昌达门船舶有限公司 | Method for installing rotary vane type steering engine |
| KR101925400B1 (en) * | 2012-10-16 | 2018-12-06 | 대우조선해양 주식회사 | Installation method for marine rudder system |
| KR20140051549A (en) * | 2012-10-23 | 2014-05-02 | 현대중공업 주식회사 | Nut assembling apparatus of rudder stock |
| KR20140064033A (en) * | 2012-11-19 | 2014-05-28 | 대우조선해양 주식회사 | Alignment for rudder carrier of ship |
| KR102004202B1 (en) * | 2012-11-20 | 2019-10-17 | 대우조선해양 주식회사 | Integrated rudder disk bush bearing |
| CN106494568B (en) * | 2016-11-24 | 2019-02-05 | 沪东中华造船(集团)有限公司 | A kind of adjustment tool and method of adjustment for ship steering engine installation |
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2019
- 2019-10-29 CN CN201911040112.9A patent/CN110920826B/en active Active
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