CN105537926A - Method for removing mechanical zero offset of steering engine and rudder lever - Google Patents

Method for removing mechanical zero offset of steering engine and rudder lever Download PDF

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Publication number
CN105537926A
CN105537926A CN201510942931.8A CN201510942931A CN105537926A CN 105537926 A CN105537926 A CN 105537926A CN 201510942931 A CN201510942931 A CN 201510942931A CN 105537926 A CN105537926 A CN 105537926A
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CN
China
Prior art keywords
rudder
steering wheel
steering engine
mechanical zero
stock
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CN201510942931.8A
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Chinese (zh)
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CN105537926B (en
Inventor
仇红宇
张治军
马驰超
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沪东中华造船(集团)有限公司
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Priority to CN201510942931.8A priority Critical patent/CN105537926B/en
Publication of CN105537926A publication Critical patent/CN105537926A/en
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Publication of CN105537926B publication Critical patent/CN105537926B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/10Aligning parts to be fitted together
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/14Measuring arrangements characterised by the use of mechanical means for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/24Measuring arrangements characterised by the use of mechanical means for measuring angles or tapers; for testing alignment of axes

Abstract

The invention discloses a method for removing mechanical zero offset of a steering engine and a rudder lever. The method comprises the following steps: 1) measuring a mechanical zero offset angle of the steering engine and the rudder lever; 2) regulating the steering engine to a mechanical zero position while measuring gaps between jumping stop blocks on rudder blades and the bottom end of a rudder twist; 3) applying jacking force to the bottoms of the rudder blades; 4) releasing hydraulic nuts of the steering engine and a rudder lever to descend the rudder lever; 5) rotating the rudder lever and the rudder blades in a direction reverse to offset by an angle which is the same as an offset angle; and 6) re-fitting the steering engine and the rudder lever, thereby completing mounting a rudder system. The method can effectively remove the mechanical zero offset, generated due to the fact that in a rudder system mounting process, outer part marks and inner limiting of the steering engine are not unified when the steering engine leaves the factory, of the steering engine and the rudder lever, can ensure simple and convenient processes, can reduce workload, can avoid delay of the construction period, and also can save a great number of manpower and financial resources.

Description

A kind of method getting rid of steering wheel and rudder stock mechanical zero deviation

Technical field

The invention belongs to shipbuilding technical field, particularly relate to a kind of method getting rid of steering wheel and rudder stock mechanical zero deviation.

Background technology

The hydraulic part of helm gear is primarily of kinetic pump group, rudder motor, deposit mailbox and pipeline composition thereof.Moment of torsion is passed to rudder stock by rotor by rudder motor, and its hydraulic rudder power is from kinetic pump group, and it is motor-driven, and two motors oil pump can be used alternatingly, and also can use fuel feeding simultaneously.This type steering wheel cylinder body has 3 oil pockets, and respectively have a slice rotor blade in each oil pocket, oil pocket is divided into two parts by blade, and when oil-feed opposite side in blade side is fuel-displaced, hydraulic oil promotes blade, and then drives steering wheel rotor turns.Rudder motor is primarily of circle tube cylinder, rotor and end cap composition, and rotor rotates bottom rudder motor and in two supportings at top.

Above-mentioned rudder system is generally made up of steering wheel, rudder stock, rudder blade, and steering wheel is connected by rudder stock with rudder blade, and the connection of the connection of steering wheel and rudder stock, rudder stock and rudder blade adopts without key hydraulic connecting.Ship steering engine is used to navigation direction when controlling ship's navigation, and steering wheel graduation indication shows the rudder angle of boats and ships intuitively, for navigation steering provides foundation.And in rudder system installation process, unavoidable appearance causes steering wheel mechanical zero and rudder stock zero-bit to deposit the situation of deviation because external zero when steering wheel dispatches from the factory indicates the inner spacing disunity with steering wheel.

For said circumstances, in prior art, a kind of counte-rplan are, by completing the rudder blade of assembling, rudder stock, steering wheel throw off, the steering wheel completing location affranchises state, and pulled down from ship by steering wheel and transport producer back, by steering wheel, producer splits steering wheel, when steering wheel is dispatched from the factory, external zero indicates the inner spacing unification with steering wheel, then completes rudder system according to drawing and installs; Another kind of scheme is, the rudder blade, the rudder stock that complete assembling are thrown off, rudder pintle, dumb chalder are thrown off, and rotate rudder stock, then complete the assembling of steering wheel, rudder stock after disengagement.Wherein, the first scheme, by the restriction of construction period, and steering wheel completed location, fitting bolt hole also basic articulation complete, if steering wheel to be affranchised state, will cause bolt hole to misplace, scheme can extend the cycle of undocking, and the risk that existence is very large; First scheme, during owing to finding steering wheel mechanical position limitation deviation, rudder blade, rudder stock connect complete, and rudder pintle and rudder blade are installed and freezed complete; The program will cause does over again in a large number, lavishes labor on and extends the cycle of undocking.

Summary of the invention

The present invention object be for problem existing in above-mentioned prior art, there is provided a kind of and effectively can get rid of the mechanical zero deviation produced because external zero when steering wheel dispatches from the factory indicates the inner spacing disunity with steering wheel between steering wheel and rudder stock occurred in rudder system installation process, can ensure that again operation is easy, reduce workload, cost-saving technical scheme.

For solving the problems of the technologies described above, the present invention adopts following technical scheme:

Get rid of a method for steering wheel and rudder stock mechanical zero deviation, comprise and walk Zou as follows:

Step one, measures steering wheel and rudder stock mechanical zero misalignment angle;

Step 2, adjusts to mechanical zero by steering wheel and measures and now rudder blade only jumps the gap that bottom turned round by block and rudder, as the reference value of Adjustment effect;

Step 3, applies top lift in the bottom of rudder blade; State is now that rudder blade is connected with rudder stock, oil pressure radial dilatation when rudder stock and steering wheel assemble, and steering wheel is owing to fixing the downforce of not conducted oneself with dignity with pedestal, and hydraulic nut axially draws high rudder stock; Consider the weight of rudder stock and rudder blade, now must one need be had rudder stock and steering wheel could to be seated by top lift bottom rudder blade.

Step 4, loosens the hydraulic nut of steering wheel and rudder stock, and rudder stock is declined;

Step 5, rotates the angle identical with misalignment angle by rudder stock, rudder blade to the rightabout of deviation;

Step 6, the multiple steering wheel of dress and rudder stock;

Step 7, measures and now rudder blade only jumps the gap that bottom turned round by block and rudder, and with step 2 in measured by reference value make comparisons; As met the requirements, then complete rudder system and install; As undesirable, then go to step three.In the multiple process of dress, when hydraulic nut axially draws high power, rudder stock assemble with steering wheel, bottom oil pressure radial expansion force, rudder blade, cylinder jacking power synchronously strengthens, until the gap that jumping block and rudder turn round bottom of stopping on rudder blade returns to or is slightly less than reset values; And then, release rudder stock expansion oil pressure, and then discharge hydraulic nut and draw high oil pressure, finally remove jacking cylinder pressure, complete rudder system and install.

Further, walk the top lift described in Zou tetra-to be provided by hydraulic cylinder; 50 tons of hydraulic cylinders are preferentially selected to come jacking rudder blade and rudder stock.

Further, the height that rudder stock declined of step described in Zou five is 40mm to 60mm, for ensureing construction safety, hydraulic nut can not be backed out from rudder stock.

Beneficial effect of the present invention is: effectively can get rid of the mechanical zero deviation produced because external zero when steering wheel dispatches from the factory indicates the inner spacing disunity with steering wheel between steering wheel and rudder stock occurred in rudder system installation process, the delay that operation is easy, reduce workload, avoid the duration can be ensured again, also save a large amount of manpower financial capacity simultaneously.

Detailed description of the invention

Below in conjunction with concrete example elaboration application of the present invention:

In ship steering engine installation process, rudder blade, rudder stock, steering wheel have connected, and steering wheel is adjusted to the right place, and steering wheel fitting bolt reams (12 fitting bolt holes, have completed the articulation of 10 screws).Rudder system submits to rudder angle in this condition, and according to test requirements document, left and right mechanical position limitation all needs to reach more than 36.5 °.The rotary blade type hydraulic steering gear drawing requirement mechanical limit that construction adopts is spacing is greater than 37 °, after steering wheel and rudder stock install, submits steering wheel mechanical position limitation to, find that hard starboard rudder angle reaches 37.9 °,, there is the deviation of 0.9 ° in hard aport rudder angle only 36.1 °, the equipment that can not meet submits requirement to.

Through discussing fully and proving, technical staff, workmen, service engineering teacher by cause determination be steering wheel when dispatching from the factory external zero indicate the inner spacing disunity with steering wheel, and formulated following scheme:

First, due to current rudder system state be rudder stock, steering wheel, rudder blade all assembled complete, and have submitted shipowner; Therefore steering wheel is adjusted to mechanical zero, the measurement clearance that bottom turned round by only jumping block and rudder now on rudder blade is 2.25mm, and in this, as the foundation resetted.

Further, the inapplicable current installation of the assembling pressure in construction drawing, because drawing requirement confined state steering wheel is free state, rudder stock is not connected with rudder blade, oil pressure radial dilatation when rudder stock and steering wheel assemble, steering wheel deadweight axially presses down, and hydraulic nut axially presses down.And steering wheel and base stand location complete at present, rudder blade is connected with rudder stock, oil pressure radial dilatation when rudder stock and steering wheel assemble; The downforce of steering wheel owing to not conducted oneself with dignity with pedestal stationary positioned, hydraulic nut axially draws high rudder stock.Consider the weight of rudder stock and rudder blade, a top lift now bottom rudder blade, must be had rudder stock and steering wheel could to be seated, therefore, in the multiple process of whole dress, bottom rudder blade, utilize the oil cylinder of 50 tons and hydraulic cylinder to come jacking rudder blade and rudder stock.

Further, the hydraulic nut of steering wheel and rudder stock being loosened, for ensureing safety, hydraulic nut can not be backed out from rudder stock, therefore declining rudder stock about 50mm.

Further, rudder stock, rudder blade are turned left 0.9 °.If be converted into air line distance, need turn left rudder blade 36.7mm.

Further, the multiple steering wheel of dress and rudder stock.In the multiple process of dress hydraulic nut axially draw high power, rudder stock when assemble with steering wheel bottom oil pressure radial expansion force, rudder blade cylinder jacking power synchronously strengthen, until the gap that jumping block and rudder turn round bottom of stopping on rudder blade returns to or is slightly less than reset values.Through measuring, the multiple post gap of dress is 2.21mm.And then release rudder stock expansion oil pressure, release hydraulic nut draws high oil pressure.

Finally, remove jacking cylinder pressure, complete rudder system and install.

Rudder stock and steering wheel confined state are contrasted with submit shipowner size (construction in line with the drawings) of pinpointing the problems.Rudder stock top needs press-in length to be 7.7mm, allows to be pressed into maximum length 7.9mm, submits to during shipowner and is pressed into length 7.8mm, and the gap that bottom turned round by only jumping block and the rudder measured on rudder blade is 2.25mm.After technical scheme provided by the present invention is implemented, the gap that bottom turned round by only jumping block and the rudder recorded on rudder blade is 2.23mm, and 0.02mm less of former gap, illustrates that rudder stock top actual press-in length is 7.82mm, press-in value is less than permission press-in maximum length, namely meets drawing installation requirement.After rudder stock dress is multiple, submit to steering wheel mechanical position limitation to meet the requirement of more than 36.5 °, the enforcement indicating technical scheme provided by the present invention achieves successfully.

Known in conjunction with above-mentioned specific embodiment, the present invention has extremely strong application value, technical scheme provided by the present invention can save the installation time of a large amount of rudder blade, rudder stock, save a large amount of labours, significantly reduce the expense coming and going steering wheel producer and time, and then effectively shorten the dock cycle.

Claims (3)

1. get rid of a method for steering wheel and rudder stock mechanical zero deviation, comprise and walk Zou as follows:
Step one, measures steering wheel and rudder stock mechanical zero misalignment angle;
Step 2, adjusts to mechanical zero by steering wheel and measures and now rudder blade only jumps the gap that bottom turned round by block and rudder, as the reference value of Adjustment effect;
Step 3, applies top lift in the bottom of rudder blade;
Step 4, loosens the hydraulic nut of steering wheel and rudder stock, and rudder stock is declined;
Step 5, rotates the angle identical with misalignment angle by rudder stock, rudder blade to the rightabout of deviation;
Step 6, the multiple steering wheel of dress and rudder stock;
Step 7, measures and now rudder blade only jumps the gap that bottom turned round by block and rudder, and with step 2 in measured by reference value make comparisons; As met drawing requirement, then complete rudder system and install; Otherwise go to step three.
2. the method getting rid of steering wheel and rudder stock mechanical zero deviation in rudder system installation process according to claim 1, is characterized in that: the top lift of step described in Zou tetra-is provided by hydraulic cylinder.
3. the method getting rid of steering wheel and rudder stock mechanical zero deviation in rudder system installation process according to claim 1, is characterized in that: the height that rudder stock declined of step described in Zou five is 40mm to 60mm.
CN201510942931.8A 2015-12-15 2015-12-15 A kind of method for excluding steering engine and rudder stock mechanical zero deviation CN105537926B (en)

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CN201510942931.8A CN105537926B (en) 2015-12-15 2015-12-15 A kind of method for excluding steering engine and rudder stock mechanical zero deviation

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Application Number Priority Date Filing Date Title
CN201510942931.8A CN105537926B (en) 2015-12-15 2015-12-15 A kind of method for excluding steering engine and rudder stock mechanical zero deviation

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CN105537926B CN105537926B (en) 2018-04-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106736445A (en) * 2017-01-13 2017-05-31 南通远洋船舶配套有限公司 A kind of press-loading process of integral rudder

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103092218A (en) * 2013-01-06 2013-05-08 中国航天科技集团公司烽火机械厂 Method and system for steering engine zero adjustment
CN103286637A (en) * 2012-02-24 2013-09-11 上海船厂船舶有限公司 Method for calibrating concentricity of rudder stock, rudder blade and rudder pintle, measuring deviation and mounting rudder stock and rudder blade
JP2013220697A (en) * 2012-04-16 2013-10-28 Japan Hamuwaaji Kk Ship having high-lift rudder
KR20140000808U (en) * 2012-07-24 2014-02-06 주식회사 현대미포조선 Center target
CN103968726A (en) * 2013-02-04 2014-08-06 哈尔滨建成集团有限公司 Mechanical zero adjusting device of steering engine
CN104111021A (en) * 2014-07-08 2014-10-22 湖北三江航天红峰控制有限公司 Air steering engine rudder piece angle and electrical angle overlapping zeroing execution mechanism
CN104121878A (en) * 2013-04-27 2014-10-29 北京自动化控制设备研究所 Electric actuator clearance testing method
CN104973265A (en) * 2015-07-07 2015-10-14 西安航空学院 Method for correcting zero position of electric steering engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103286637A (en) * 2012-02-24 2013-09-11 上海船厂船舶有限公司 Method for calibrating concentricity of rudder stock, rudder blade and rudder pintle, measuring deviation and mounting rudder stock and rudder blade
JP2013220697A (en) * 2012-04-16 2013-10-28 Japan Hamuwaaji Kk Ship having high-lift rudder
KR20140000808U (en) * 2012-07-24 2014-02-06 주식회사 현대미포조선 Center target
CN103092218A (en) * 2013-01-06 2013-05-08 中国航天科技集团公司烽火机械厂 Method and system for steering engine zero adjustment
CN103968726A (en) * 2013-02-04 2014-08-06 哈尔滨建成集团有限公司 Mechanical zero adjusting device of steering engine
CN104121878A (en) * 2013-04-27 2014-10-29 北京自动化控制设备研究所 Electric actuator clearance testing method
CN104111021A (en) * 2014-07-08 2014-10-22 湖北三江航天红峰控制有限公司 Air steering engine rudder piece angle and electrical angle overlapping zeroing execution mechanism
CN104973265A (en) * 2015-07-07 2015-10-14 西安航空学院 Method for correcting zero position of electric steering engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106736445A (en) * 2017-01-13 2017-05-31 南通远洋船舶配套有限公司 A kind of press-loading process of integral rudder

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