CN106112221A - The manufacture method of turning unit in a kind of rudder oar - Google Patents
The manufacture method of turning unit in a kind of rudder oar Download PDFInfo
- Publication number
- CN106112221A CN106112221A CN201610714981.5A CN201610714981A CN106112221A CN 106112221 A CN106112221 A CN 106112221A CN 201610714981 A CN201610714981 A CN 201610714981A CN 106112221 A CN106112221 A CN 106112221A
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- Prior art keywords
- rustless steel
- return bend
- rotary flange
- manufacture method
- upper rotary
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
- B63H2025/425—Propulsive elements, other than jets, substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses the manufacture method of turning unit in a kind of rudder oar, belong to Ship Propeling technical field.Described manufacture method includes: make multiple rustless steel cylinder being coated on outside described return bend and two rustless steel semicircular ring being coated on outside described annulus, described rustless steel semicircular ring offers multiple plug welding hole；The mode using plug welding welds described plug welding hole, two described rustless steel semicircular ring is fixed on described annulus, and welds the butt weld of two described rustless steel semicircular ring；Two described revolving bodies are carried out built-up welding；Described upper rotary flange is assemblied on described return bend；Hot jacket technique is used multiple described rustless steel cylindrical sleeve to be located on described return bend.The present invention utilizes solder technology to realize at upper rotary flange outer cladding stainless steel layer, overcomes hot jacket technology and cannot realize and electroplating technology cost and the problem in cycle.
Description
Technical field
The present invention relates to Ship Propeling technical field, particularly to the manufacture method of turning unit in a kind of rudder oar.
Background technology
Rudder and oar are the key components of marine propuision system, and rudder can be used for controlling the direct of travel of boats and ships, and oar is used for
Traveling for boats and ships provides motive force.Rudder oar is a kind of novel marine propulsion, and it can produce as common propeller
Thrust, also can change thrust direction in the range of 360 °, have effect of rudder and oar concurrently, it is possible to flexibly change vessel position and
Course, is widely used in pleasure boat, working ship, ocean platform etc. higher to maneuverability requirement or need the occasion of dynamic positioning.
Rudder oar includes propulsion unit, turning unit etc..Propulsion unit includes power shaft, the center vertical that upper level arranges
The propeller shaft that the power transmission shaft arranged and lower horizontal are arranged, by being arranged on upper bevel gear between power shaft and power transmission shaft
Upper bevel gear engaged transmission in case, between power transmission shaft and propeller shaft, the lower bevel gear by being arranged in lower umbrella gear box is nibbled
Close transmission.Turning unit includes the rotary motor being arranged on umbrella gear box and floating bearing and is respectively arranged at two ends with
Rotary flange and the return bend of lower rotary flange, rotary motor and upper rotary flange are in transmission connection by floating bearing, return bend
It is connected by lower rotary flange and lower umbrella gear box are fixing.
During realizing the present invention, inventor finds that prior art at least there is problems in that
In order to extend the service life of rudder oar, generally at return bend and rotary flange outer cladding stainless steel layer.Routine is not
Rust ladle coating method has electroplating technology and hot jacket technique two kinds, and cost and the cycle of electroplating technology are the highest, and hot jacket technique can only
Circumference axle is implemented, and upper rotary flange is revolution solid of curved surface, it is impossible to use hot jacket technique to realize.
Summary of the invention
In order to solve problem of the prior art, embodiments provide the making side of turning unit in a kind of rudder oar
Method.Described technical scheme is as follows:
Embodiments provide the manufacture method of turning unit in a kind of rudder oar, described rudder oar include propulsion unit and
Turning unit；Described propulsion unit include power shaft, power transmission shaft, propeller shaft, inside be provided with bevel gear upper umbrella gear box,
Inside is provided with the lower umbrella gear box of lower bevel gear, described power shaft and described power transmission shaft by described upper bevel gear engaged transmission,
Described power transmission shaft and described propeller shaft are by described subumbrella meshed transmission gear；Described turning unit includes rotary motor, returns
Rotating shaft is held, upper rotary flange, return bend, lower rotary flange, described rotary motor and described floating bearing are arranged on described upper umbrella
On gear-box, described rotary motor and described upper rotary flange are in transmission connection by described floating bearing, described upper rotary flange
With the two ends that described lower rotary flange is separately fixed at described return bend, described lower rotary flange is fixed with described lower umbrella gear box
Connect；Described upper rotary flange includes annulus and is respectively provided with the horn-like revolving body on two end faces of described annulus, institute
The bus stating revolving body is tangent with the end face of described annulus, and described revolving body is coaxial with described annulus, and described revolving body is
Big external diameter is less than the external diameter of described annulus；
Described manufacture method includes:
Make multiple rustless steel cylinder being coated on outside described return bend and two rustless steels being coated on outside described annulus
Semicircular ring, described rustless steel semicircular ring offers multiple plug welding hole；
The mode using plug welding welds described plug welding hole, two described rustless steel semicircular ring is fixed on described annulus,
And weld the butt weld of two described rustless steel semicircular ring；
Two described revolving bodies are carried out built-up welding；
Described upper rotary flange is assemblied on described return bend；
Hot jacket technique is used multiple described rustless steel cylindrical sleeve to be located on described return bend.
Alternatively, described two described revolving bodies are carried out built-up welding, including:
Described revolving body is divided into 2n annular region, and n is positive integer；
Divide multiple stages that each described annular region of same described revolving body is symmetrically welded.
Preferably, described point of multiple stages carry out balanced welding to each described annular region of same described revolving body
Connect, including:
Divide each described annulus to same described revolving body of multiple stage clockwise or counterclockwise
Territory is symmetrically welded.
Preferably, described manufacture method also includes:
Described two described revolving bodies are carried out built-up welding before, in the endoporus of a described revolving body, spot welding annular is propped up
Support frock.
Alternatively, described two described revolving bodies are carried out built-up welding, including:
Use carbon dioxide gas arc welding that two described revolving bodies are welded, form overlay cladding.
Alternatively, described described upper rotary flange is assemblied on described return bend, including:
Described upper rotary flange and described return bend arrange the seam matched；
Described seam is utilized to be assemblied on described return bend by described upper rotary flange；
The junction of described upper rotary flange and described return bend is formed girth joint.
Preferably, before the described junction to described upper rotary flange and described return bend forms girth joint, described
Manufacture method also includes:
In the junction of described upper rotary flange and described return bend, horse plate is set.
It is highly preferred that the quantity of described horse plate is multiple, multiple described horse plates are arranged at equal intervals along the circumference of described return bend
Row.
Alternatively, the multiple rustless steel cylinder being coated on outside described return bend of described making, including:
Rolling rustless steel steel bushing be welded into cylinder on rolling bed equipment, forms described rustless steel cylinder；
Said two is coated on the rustless steel semicircular ring outside described annulus, including:
Stainless steel band is drilled with multiple plug welding hole arranged at equal intervals along the bearing of trend of described stainless steel band；
Described stainless steel band is rolled to into semicircle by rolling bed equipment.
Preferably, multiple described rustless steel cylindrical sleeve are located on described return bend by described employing hot jacket technique, including:
Heat described rustless steel cylinder；
When the internal diameter of described rustless steel cylinder increases setting value, multiple described rustless steel cylinders are sequentially sleeved at described
On return bend；
Described return bend horizontal positioned is carried out downhand welding.
The technical scheme that the embodiment of the present invention provides has the benefit that
By making two rustless steel semicircular ring being coated on outside annulus, use the mode soldering stainless steel semicircular ring of plug welding
On multiple plug welding holes of offering, two rustless steel semicircular ring are fixed on the annulus of upper rotary flange, and weld two stainless
The butt weld of steel semicircular ring, and two revolving bodies of upper rotary flange are carried out built-up welding, utilize solder technology to realize upper
Rotary flange outer cladding stainless steel layer, overcomes hot jacket technology and cannot realize and electroplating technology cost and the problem in cycle.And
And by making multiple rustless steel cylinders being coated on outside return bend, use hot jacket technique by the most sheathed for multiple rustless steel cylinders
On return bend, conventional art is used to realize at return bend outer cladding stainless steel layer, it is achieved simple and convenient, low cost.It addition,
The seam matched is set on upper rotary flange and return bend, utilizes seam to be assemblied on return bend by upper rotary flange, it is simple to
Concentricity is ensured when return bend and the assembling of upper rotary flange.Whole process operation is simple, low cost, with short production cycle, Ke Yibao
Card covered effect, meets design requirement well.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the flow chart of the manufacture method of turning unit in a kind of rudder oar that the embodiment of the present invention provides；
Fig. 2 is the structural representation of the rustless steel cylinder that the embodiment of the present invention provides；
Fig. 3 is the structural representation of the stainless steel band that the embodiment of the present invention provides；
Fig. 4 is the structural representation of the rustless steel semicircular ring that the embodiment of the present invention provides；
Fig. 5 is that the rustless steel semicircular ring that the embodiment of the present invention provides is welded on the structural representation on upper rotary flange；
Fig. 6 is that the rustless steel semicircular ring that the embodiment of the present invention provides is welded on the structural representation on upper rotary flange；
Fig. 7 is the structural representation of the upper rotary flange enterprising windrow weldering that the embodiment of the present invention provides；
Fig. 8 is the structural representation of the upper rotary flange enterprising windrow weldering that the embodiment of the present invention provides；
Fig. 9 is the structural representation that the upper rotary flange that the embodiment of the present invention provides is assemblied on return bend；
Figure 10 is the rustless steel cylinder welding of embodiment of the present invention offer structural representation on return bend.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
Embodiments provide the manufacture method of turning unit in a kind of rudder oar, go for telescopic full circle swinging
Rudder oar device, is particularly well-suited to the making of turning unit in the rudder oar of 300 lifting pipe laying vessels.
Specifically, rudder oar includes propulsion unit and turning unit.Propulsion unit include power shaft, power transmission shaft, propeller shaft,
Inside is provided with the upper umbrella gear box of bevel gear, inside is provided with the lower umbrella gear box of lower bevel gear, and power shaft and power transmission shaft pass through
Upper bevel gear engaged transmission, power transmission shaft and propeller shaft pass through subumbrella meshed transmission gear.Turning unit includes rotary motor, returns
Rotating shaft is held, upper rotary flange, return bend, lower rotary flange, rotary motor and floating bearing be arranged on umbrella gear box, revolution
Motor and upper rotary flange are in transmission connection by floating bearing, and upper rotary flange and lower rotary flange are separately fixed at return bend
Two ends, lower rotary flange is fixing with lower umbrella gear box to be connected.Upper rotary flange includes annulus and is respectively provided with two of annulus
Horn-like revolving body on end face, the bus of revolving body is tangent with the end face of annulus, and revolving body is coaxial with annulus, and revolving body
Maximum outside diameter is less than the external diameter of annulus.
Seeing Fig. 1, this manufacture method includes:
Step 201: make multiple rustless steel cylinder being coated on outside return bend and two rustless steels being coated on outside annulus
Semicircular ring.
In the present embodiment, rustless steel semicircular ring offers multiple plug welding hole.
Specifically, the quantity of rustless steel cylinder can be four.
Alternatively, make multiple rustless steel cylinder being coated on outside return bend, may include that
Rolling rustless steel steel bushing be welded into cylinder on rolling bed equipment, forms rustless steel cylinder.
In implementing, seeing Fig. 2, rustless steel cylinder 1 is provided with V-type bevel for welding 2, and V-type bevel for welding 2 is used for will
The rustless steel steel bushing of rolling is welded into cylinder.Specifically, the diameter of rustless steel cylinder can be 586～590mm, rustless steel cylinder
Thickness can be 20mm, the angle of bevel for welding can be 60 °, and the root face of bevel for welding and root gap can be 2mm.Enter
One step ground, in addition to rustless steel cylinder, all of weld may be provided with bevel for welding, the angle of bevel for welding, root face and
Root gap can be adjusted according to practical situation.
Alternatively, make two rustless steel semicircular ring being coated on outside annulus, may include that
Stainless steel band is drilled with multiple plug welding hole arranged at equal intervals along the bearing of trend of stainless steel band；
Stainless steel band is rolled to into semicircle by rolling bed equipment.
For example, with reference to Fig. 3, the plug welding hole 4 on stainless steel band 3 arranges at equal intervals along the bearing of trend of stainless steel band.See
Fig. 4, two stainless steel bands are rolled into rustless steel semicircular ring 5, just form an annulus.Specifically, two rustless steel semicircular ring 5
Spacing can be 30mm, and the diameter of plug welding hole 4 can be 24mm, and the degree of depth of plug welding hole can be 11mm, adjacent two plug welding holes 4
Center and annulus the center of circle formed central angle can be 15 °.
Step 202: use the mode of plug welding to weld plug welding hole, two rustless steel semicircular ring are fixed on annulus, and weld
Connect the butt weld of two rustless steel semicircular ring.
For example, with reference to Fig. 5 and Fig. 6, utilize and plug welding hole 4 is carried out plug welding, rustless steel semicircular ring 5 is fixed on robin last time
On the annulus of blue 6.
Step 203: two revolving bodies are carried out built-up welding.
In actual applications, first a revolving body is carried out built-up welding, then upper rotary flange is overturn, to another revolving body
Carry out built-up welding.
Alternatively, this step 203 may include that
Revolving body is divided into 2n annular region, and n is positive integer；
Dividing multiple stages to be symmetrically welded each annular region of same revolving body, each stage is simultaneously to relatively
Two annular regions weld.
For example, with reference to Fig. 7, revolving body is divided into 6 annular regions, respectively rings by 60 ° of central angle along clockwise direction
Shape region 1, annular region 2, annular region 3, annular region 1 ', annular region 2 ', annular region 3 ', annular region 1 and annular
Relatively, annular region 2 is relative with annular region 2 ', and annular region 3 is relative with annular region 3 ' in region 1 '.During welding, first weld
Annular region 1 and annular region 1 ', then weld annular region 2 and annular region 2 ', finally welding annular region 3 and annular region
3 ', it is symmetrically welded with rotary flange central shaft.
In implementing, two soldering appliances welding input quantity identical when being symmetrically welded, are used to carry out.In welding
After, it is possible to use model checks whether rotary flange curved surface overlay cladding meets requirement.
Preferably, this step 203 may include that
Use carbon dioxide gas arc welding that two revolving bodies are welded, form overlay cladding, simple to operation.
Specifically, the thickness of overlay cladding can be 12mm.
Preferably, before this step 203, this manufacture method can also include:
Spot welding annular brace frock in the endoporus of a revolving body.
For example, with reference to Fig. 7 and Fig. 8, spot welding annular brace frock 7 in rotary flange 6, then form overlay cladding 8.
Welding deformation can be controlled with spot welding annular brace frock, it is to avoid due to welding it is to be appreciated that be symmetrically welded
Deformation effect return bend and the concentricity of rotary flange.
Step 204: upper rotary flange is assemblied on return bend.
Alternatively, this step 204 may include that
Upper rotary flange and return bend arrange the seam matched；
Seam is utilized to be assemblied on return bend by upper rotary flange；
The junction of upper rotary flange and return bend is formed girth joint.
For example, with reference to there being the seam 10 matched on Fig. 9, upper rotary flange 6 and return bend 9.
In implementing, the length of return bend reaches 2828mm, and deformation when deviation during assembling and welding is the easiest
The concentricity causing return bend and rotary flange is poor, it is impossible to meet the requirement (as less than 2mm) of rudder oar, by only arranging
Mouthful, upper rotary flange can be defined with the relative position of return bend, it is simple to protect when return bend and the assembling of upper rotary flange
Card concentricity, combines the annular brace frock arranged on upper annular flange and also can effectively prevent welding deformation during welding.
Preferably, before the junction formation girth joint to upper rotary flange and return bend, this manufacture method is all right
Including:
Horse plate is set in the junction of upper rotary flange and return bend, in order to carry out girth joint.
Such as, see that again Fig. 9, the junction of upper rotary flange 6 and return bend 9 are provided with horse plate 11.
It is highly preferred that the quantity of horse plate can be multiple, multiple horse plates arrange at equal intervals along the circumference of return bend.
Specifically, horse plate and quantity can be 6.
Step 205: use hot jacket technique multiple rustless steel cylindrical sleeve to be located on return bend.
In the present embodiment, this step 205 may include that
Heating rustless steel cylinder；
When the internal diameter of rustless steel cylinder increases setting value, multiple rustless steel cylinders are sequentially sleeved on return bend；
Return bend horizontal positioned is carried out downhand welding.
Being readily apparent that, horizontal positioned is to make the axis of return bend parallel with horizontal line.
Further, return bend horizontal positioned is carried out downhand welding, may include that
Butt weld is formed between each rustless steel cylinder；
The two ends of multiple rustless steel cylinders are carried out built-up welding.
For example, with reference to Figure 10, four rustless steel cylinder 1 being axially sequentially sleeved on return bend 9 along return bend 9, stainless
For butt weld 12 between steel cylinder 1, the end of rustless steel cylinder 1 is overlay cladding 13.
Specifically, the temperature of heating can be 280～300 DEG C, and setting value can be 0.8～1.2mm, rustless steel cylinder
Gap can be 5mm.
It should be noted that the upper rotary flange arrangement being coated with stainless steel layer in the present embodiment is more special, the two of annulus
Being respectively arranged with a trumpet-shaped revolving body on individual end face, the bus of revolving body is tangent with the end face of annulus, and the tangent is circle
Angle, it is impossible to be directly coated with rustless steel semicircular ring as annulus, therefore uses the mode of built-up welding to realize the cladding of stainless steel layer, real
Now easy, but need to ensure the weldquality of overlay cladding, and after welding, use machining to ensure profile.Annulus is adopted simultaneously
Realize the cladding of stainless steel layer by the mode that rustless steel semicircular ring is docked plug welding, welding capacity is less, and clad shape rule
Then.
The embodiment of the present invention, by making two rustless steel semicircular ring being coated on outside annulus, uses the mode of plug welding to weld
Two rustless steel semicircular ring are fixed on the annulus of upper rotary flange by the multiple plug welding holes offered in rustless steel semicircular ring, and
The butt weld of two rustless steel semicircular ring of welding, and two revolving bodies of upper rotary flange are carried out built-up welding, utilize welding
Technology realize at upper rotary flange outer cladding stainless steel layer, overcome hot jacket technology cannot realize and electroplating technology cost and
The problem in cycle.And by making multiple rustless steel cylinders being coated on outside return bend, use hot jacket technique by multiple stainless
Steel cylinder is sequentially sleeved on return bend, uses conventional art to realize at return bend outer cladding stainless steel layer, it is achieved simple and convenient,
Low cost.It addition, arrange the seam matched on upper rotary flange and return bend, seam is utilized to be assemblied in by upper rotary flange
On return bend, it is simple to ensure concentricity when return bend and the assembling of upper rotary flange.Whole process operation is simple, low cost, production
Cycle is short, it is ensured that covered effect, meets design requirement well.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a manufacture method for turning unit in rudder oar, described rudder oar includes propulsion unit and turning unit；Described propelling is single
Unit includes power shaft, power transmission shaft, propeller shaft, inside is provided with the upper umbrella gear box of bevel gear, inside is provided with lower bevel gear
Lower umbrella gear box, described power shaft and described power transmission shaft are by described upper bevel gear engaged transmission, described power transmission shaft and described spiral shell
Rotation oar axle is by described subumbrella meshed transmission gear；Described turning unit include rotary motor, floating bearing, upper rotary flange,
Return bend, lower rotary flange, described rotary motor and described floating bearing are arranged on described upper umbrella gear box, described revolution horse
Reaching and be in transmission connection by described floating bearing with described upper rotary flange, described upper rotary flange and described lower rotary flange are respectively
Being fixed on the two ends of described return bend, described lower rotary flange is fixing with described lower umbrella gear box to be connected；Described upper rotary flange
Including annulus and be respectively provided with the horn-like revolving body on two end faces of described annulus, the bus of described revolving body and institute
The end face stating annulus is tangent, and described revolving body is coaxial with described annulus, and the maximum outside diameter of described revolving body is less than described annulus
External diameter；
It is characterized in that, described manufacture method includes:
Make multiple rustless steel cylinder being coated on outside described return bend and two rustless steel semicircles being coated on outside described annulus
Ring, described rustless steel semicircular ring offers multiple plug welding hole；
The mode using plug welding welds described plug welding hole, two described rustless steel semicircular ring is fixed on described annulus, and welds
Connect the butt weld of two described rustless steel semicircular ring；
Two described revolving bodies are carried out built-up welding；
Described upper rotary flange is assemblied on described return bend；
Hot jacket technique is used multiple described rustless steel cylindrical sleeve to be located on described return bend.
Manufacture method the most according to claim 1, it is characterised in that described two described revolving bodies are carried out built-up welding, bag
Include:
Described revolving body is divided into 2n annular region, and n is positive integer；
Divide multiple stages that each described annular region of same described revolving body is symmetrically welded.
Manufacture method the most according to claim 2, it is characterised in that described point of multiple stages are to same described revolving body
Each described annular region be symmetrically welded, including:
Divide multiple stage that each described annular region of same described revolving body is entered clockwise or counterclockwise
Row is symmetrically welded.
4. according to the manufacture method described in Claims 2 or 3, it is characterised in that described manufacture method also includes:
Described two described revolving bodies are carried out built-up welding before, spot welding annular brace work in the endoporus of a described revolving body
Dress.
5. according to the manufacture method described in any one of claim 1-3, it is characterised in that described two described revolving bodies are carried out
Built-up welding, including:
Use carbon dioxide gas arc welding that two described revolving bodies are welded, form overlay cladding.
6. according to the manufacture method described in any one of claim 1-3, it is characterised in that described by the assembling of described upper rotary flange
On described return bend, including:
Described upper rotary flange and described return bend arrange the seam matched；
Described seam is utilized to be assemblied on described return bend by described upper rotary flange；
The junction of described upper rotary flange and described return bend is formed girth joint.
Manufacture method the most according to claim 6, it is characterised in that described to described upper rotary flange and described revolution
Before the junction of pipe forms girth joint, described manufacture method also includes:
In the junction of described upper rotary flange and described return bend, horse plate is set.
Manufacture method the most according to claim 7, it is characterised in that the quantity of described horse plate is multiple, multiple described horses
Plate arranges at equal intervals along the circumference of described return bend.
9. according to the manufacture method described in any one of claim 1-3, it is characterised in that described making is multiple is coated on described returning
Rustless steel cylinder outside tube, including:
Rolling rustless steel steel bushing be welded into cylinder on rolling bed equipment, forms described rustless steel cylinder；
Said two is coated on the rustless steel semicircular ring outside described annulus, including:
Stainless steel band is drilled with multiple plug welding hole arranged at equal intervals along the bearing of trend of described stainless steel band；
Described stainless steel band is rolled to into semicircle by rolling bed equipment.
Manufacture method the most according to claim 9, it is characterised in that described employing hot jacket technique is by multiple described stainless
Steel cylindrical sleeve is located on described return bend, including:
Heat described rustless steel cylinder；
When the internal diameter of described rustless steel cylinder increases setting value, multiple described rustless steel cylinders are sequentially sleeved at described revolution
Guan Shang；
Described return bend horizontal positioned is carried out downhand welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714981.5A CN106112221B (en) | 2016-08-24 | 2016-08-24 | The production method of turning unit in a kind of rudder paddle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714981.5A CN106112221B (en) | 2016-08-24 | 2016-08-24 | The production method of turning unit in a kind of rudder paddle |
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| CN106112221A true CN106112221A (en) | 2016-11-16 |
| CN106112221B CN106112221B (en) | 2018-07-31 |
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| CN103910055A (en) * | 2014-04-10 | 2014-07-09 | 武汉船用机械有限责任公司 | Multifunctional emergency steering device of full-circle-swinging steering oar |
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| CN106112221B (en) | 2018-07-31 |
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