CN107107152A - For method, the tubular body of serpentine and its application for shaping tubular body - Google Patents
For method, the tubular body of serpentine and its application for shaping tubular body Download PDFInfo
- Publication number
- CN107107152A CN107107152A CN201580072211.9A CN201580072211A CN107107152A CN 107107152 A CN107107152 A CN 107107152A CN 201580072211 A CN201580072211 A CN 201580072211A CN 107107152 A CN107107152 A CN 107107152A
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- China
- Prior art keywords
- tubular body
- section
- bending radius
- pipe
- cross
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
- B21D11/07—Making serpentine-shaped articles by bending essentially in one plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/025—Stamping using rigid devices or tools for tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/049—Deforming bodies having a closed end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/003—Rigid pipes with a rectangular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The present invention relates to a kind of method for being used to shape tubular body (1), methods described comprises the following steps：Tubular body (1) with the first tube end (2) and the second tube end (4) is provided, tubular body (1), closed tube body (1) is filled with liquid, and shape tubular body (1).
Description
Technical field
The first aspect of the present invention is related to a kind of method for being used to shape tubular body.Another aspect of the present invention, which is related to, to be borrowed
Help the tubular body of the serpentine of this method manufacture.Another aspect of the present invention is related to the application of this tubular body.
Background technology
The shaping of tubular body is commonly known.Tubular body is after its manufacture generally with elongation, substantially not curved
Bent form is present.But, because tubular body is used not only along the delivery line of straight line in practice, and install ground sometimes
Point needs track by means of tubular body along bending, for example transports fluid around angle, and herein and can not always realize
The use of the use of branched line, the pipe bend for filling flange etc. or branched line, the pipe bend for filling flange etc. and not always institute
It is desired, so on the one hand there is the demand that for example can bend tubular body by means of shaping.On the other hand, existing to close
Make the demand that tubular body shapes in the shape of cross section of tubular body, so as to make the tubular body pass through the opening limited in advance
Cross section can make tubular body be contoured to match default open cross-section as snugly as possible by its cross section.Afterwards then
It is important especially when tubular body is used as into cooling body, so as to using up between object to be cooled of realizing tubular body
Possible good heat transfer.
One when tubular body shapes special require be：Prevent tubular body atrophy, bending or otherwise and square
Method is undesirably deformed, and only realizes following shaping, and described be formed in forming process is desired.In order to realize
It is above-mentioned, sand is used as filler in the prior art.Sand fills up the internal cross section of tubular body and enough in packed density
In the case of prevent tubular body atrophy or to be undesirably recessed in shaping.
Although this method is for simple forming process, for example, produces each bending radius or produce the non-circular horizontal stroke of pipe
Section, is feasible, but in more complicated forming process, such as when producing the tubular body of serpentine, generation is asked as follows
Topic：Sand is no longer able to fully remove from tubular body after the shaping.Therefore in the prior art can not be by a part
Manufacture complicated tubulose shape, the tubular body of such as serpentine.
In the German patent application as priority, Deutsche Bundespatent trademark office retrieves following document：DE 694 02
051 196 16 484 0 099 714 199 52 508 A1 and DE 10 2,010 018 162 of A1, DE of A1, EP of T2, DE
B3。
The content of the invention
Therefore, the present invention is based on following purposes：A kind of method for being used to shape tubular body is proposed, methods described is as far as possible
Eliminate disadvantages mentioned above.Especially, the present invention is based on following purposes：Propose a kind of method for being used to shape tubular body, the side
Method realizes high flexibility or the complexity of shaping.
The present invention realizes that it is based in type, feature with claim 1 method described at the beginning
Purpose.Especially, the method according to the invention has following steps：Pipe with the first tube end and the second tube end is provided
Shape body；With liquid, such as water, tubular body is filled；Closed tube body；With shape tubular body.The present invention utilizes following knowledge：Only
Want one or preferably the two tube ends be again turned on after such shaping, then water can be complete especially under liquid or gaseous state
It is and unrelated with the complexity of tubular body completely without residually being removed after tubular body shaping from tubular body.In addition, the present invention is utilized
Following knowledge：Liquid, such as water or appropriate oil, are difficult to compress, as long as and then manage fully be filled and be closure
, then although the liquid is in liquid condition, but also ensure that the substantially stabilized of internal tubulose volume.
In an especially preferred improved form of methods described, this method also comprises the following steps：In the step of shaping
Before rapid, to the liquid on-load pressure in tubular body.By liquid on-load pressure, the liquid has prestressing force to a certain extent.
Liquid physically from the point of view of be not completely it is incompressible.Certainly have confirmed：For the purpose of the method according to the invention,
Sufficient Incoercibility or substantially low compressibility, the sufficient Incoercibility or substantially low are provided when using water
Compressibility further improve in the following way：Feed water on-load pressure before formation.On-load pressure also ensures that expression
Tubular body complete filling of indicator.The particular advantage produced with on-load pressure is：If in tubular body shaping
When form the leak of leak, such as crackle form, then the liquid of on-load pressure may be immediately from the inside of tubular body
In spill.This spill is probably what is be readily detectable.Thus, it is able to carry out pressure inspection simultaneously in shaping.If
Forming process is discharged before terminating without liquid, then operator knows at once：Pipe is all pressure seal under any circumstance
Until following pressure, gives tubular body on-load pressure by means of the pressure from inside before.This is a notable economic advantage.
Preferably, liquid loading 20bar or bigger pressure, pressure of the particularly preferred 50bar into 200bar scopes.
One of methods described preferred embodiment in, include the step of shaping：By one or more bending radius
It is introduced into pipe.Briefly, the geometry of tubular body is more complicated, and the advantage using liquid as internal stability agent is just showed
It is stronger, therefore more bending radius is introduced in pipe.
In another preferred embodiment, at least one bending radius in bending radius or multiple bending radius, excellent
Multiple bending radius or whole bending radius is selected to be less than the pipe diameter of three times.In conventional pipe bending method in the prior art
It is to the whole three times Wei that maximum bending radius is pipe diameter under about five times of pipe diameter from minimum bending radius
Point, and the method according to the invention is due to using liquid, especially the liquid of on-load pressure allows bright as internal stabilizer
Aobvious stronger bending, this shows as significantly more close feasible bending radius.It is accessible curved in preferred design
Bilge radius be preferably in the pipe diameter less than three times to approximately twice as pipe diameter scope in, wherein bending radius is all the time with
The mode known also to the used material of tubular body and related and related especially with its wall thickness.In a diameter of of pipe
12mm, wall thickness are 1mm and using stainless steel as in the case of material, for example, can realize above-mentioned bending radius.
Methods described it is another preferred embodiment in, include the step of shaping：Change one or many of tubular body
The pipe cross section of individual section or the pipe cross section for changing whole tubular body, preferably change over substantially polygonal cross section shape
Shape, particularly preferably changes over the shape of substantial rectangular.Substantially polygonal or substantial rectangular shape is interpreted as：It is horizontal
" cornerness " in section is technically changed in feasible scope.When pipe cross section is deformed into by means of shaping so that it has
During one or more seamed edges, it is contemplated that：Retain small edge radius inside and outside, wherein to give cross section more on the whole for the seamed edge
The shape of side shape, especially rectangular shape.This small edge radius is for substantially polygonal or substantial rectangular horizontal stroke
The term of cross sectional shape is insignificant for understanding.
Substantially polygonal or substantial rectangular shape of cross section is changed into pipe cross section, preferably passes through such as lower section
Formula is realized：Tubular body branch section ground is completely inserted into formed body and shaped subsequently, by means of power loading and shaping for matching
Body.According to the present invention, loading force or it is externally applied on formed body or tubular body, and/or for example, by according to punching press
The formed body that mode works is carried out in itself.According to the present invention, for example, be preferably, tubular body by means of drift or roller, for example by means of
Help slicking-in roller deformation.
Methods described is improved yet another embodiment by following manner：Multiple bending radius are incorporated into tubular body
In, and also include the step of shape：Pipe is bent into serpentine, wherein serpentine, which has, one or more does not bend substantially
Pipe section, the pipe section be connected respectively to bending radius it is one or more on.
It is furthermore preferred that methods described comprises the following steps：It is excellent when the pressure during shaping exceedes predetermined value
Choosing is released from tubular body liquid by means of relief valve.This is preferably performed in the following way：In the end of tubular body extremely
Few one limits valve closure by overvoltage, only when pressure significantly rises due to the deformation proceeded, preferably rise 1% to
When 10% or more, the overvoltage limitation valve just releases liquid.Hereby it is achieved that following consequence：By changing from external load power
When becoming pipe cross section, reduce the volume of tubular body sometimes.In order that the liquid left from the section just deformed of tubular body
Medium does not cause heaving or undesirable deformation for tubular body at other positions, is targetedly released according to the embodiment
Liquid, so as to which the pressure in tubular body is kept into substantial constant.According to the composition scheme of tubular body, difference can be limited herein
Limiting value.Wall thickness be 1mm and using stainless steel as material in the case of, for pressure limit for example substantially
50bar limiting value is proved to be reliable.
The method according to the invention it is another preferred embodiment in, this method also comprises the following steps：It is preferred that borrowing
Help fluid pressure of the pressure monitor sensor during shaping.Liquid can be visually monitored except natural by observing relief valve
Outside body pressure, it can be preferably to precisely control forming process：Also quantitatively in the inside of detection tubular body
Pressure rises, and this is preferably used generally known pressure measurement sensor.
It is reliable that the method according to the invention is especially also demonstrated that in following tubular body, and the tubular body is by steel
Material is formed, and is especially formed by high-quality steel or shaped steel.
According to the second aspect of the invention, the purpose that the present invention is based on is to provide a kind of tubular body, the tubular body
It is suitable for cooled electric generator, wherein generator is used to produce electric current, and the generator is especially synchronously sent out in the multipole of wind energy plant
The form of motor.
The present invention realizes the purpose in the following way：Tubular body constitutes the feature with claim 12.Especially,
The tubular body of serpentine has multiple bending radius, preferably has less than a bending radius of the pipe diameter of three times, and multiple
Substantially unbending section, the substantially unbending section is preferably connected in bending radius without bending, wherein extremely
Few one, preferably multiple or whole substantially unbending sections have the horizontal basal plane of substantial rectangular.
As long as hereinbefore and hereinafter referring to the substantially unbending section of tubular body, then just understood
For：Tubular body is constituted in these sections without bending section, is also just said and is point-blank constituted, or all has this under any circumstance
The bending section of sample, the bending section as low as causes the section to be incorporated into the groove of generator and the groove that preferably reclines there
Opposite wall, to realize Heat transmission.In the case of slight towards the bending section of groove depth, the bending section is not weighed herein
Will.According to the present invention, when section is movable in groove by elastic deformation, transverse to groove depth, i.e., towards cell wall or remote
From cell wall slight bending section also using substantially unbending section as starting point.
Preferably there is the wall thickness in the scope between 0.5mm and 3.5mm according to the tubular body of the present invention, particularly preferably
In wall thickness of 1 wall thickness into 2mm scopes.
It is also preferred that being formed according to the tubular body of the present invention by Steel material, especially it is made up of high-quality steel or shaped steel.Although
In the presence of can be clearly more powerful due to higher ductility the material that deforms, such as copper pipe.But particularly with for producing
For application in the generator of electric current, it is according to currently preferred：Constitute conductive capability small tubular body as far as possible.Tubulose
The serpentine of body substantially equally works also like coil, and in generator operation, is wriggled if pole shoe moves through to be provided with
The groove in Yan portions, then power loss or interference field can be caused, the power loss or interference field can be by appropriate
Material is selected and is kept as small.
Therefore, according to the third aspect, the present invention relates to the tubular body of the serpentine according to one of above-mentioned embodiment in hair
Application in motor.
The present invention especially realizes following purpose：The cooling of generator is carried out by means as economic as possible and is realized to the greatest extent
The cooling agent guiding of possible No leakage.
It is therefore particularly preferred for above-mentioned consider according to the application of the tubular body of the serpentine of one of above-mentioned embodiment
Because to tubular body during its manufacture just (impliedly) be inspected it is pressure sealing.
According to the present invention, the tubular body of serpentine is particularly preferably applied in generator, and the generator is configured to wind energy
The multipole synchronous generator of equipment.Generator, the stator of particularly preferred generator has multiple grooves, set in the groove around
Group, the winding is preferably stator winding.Tubular body by its it is multiple it is substantially unbending, with the transversal of substantial rectangular
The pipe section in face is incorporated into groove.If tubular body is then flowed by cooling liquid, then will directly can be produced by stator winding
Raw heat is exported from groove while preventing the thermosetting in stator.
" multipole " is interpreted as multiple stator poles in the synchronous ring generator of the wind energy plant without transmission device, especially
Composition scheme with least 48 stator tooths, typically even with significantly more stator tooth, such as especially 96 stator tooths or
More stator tooths.The region of the magnetic activity in the region of the magnetic activity of generator, i.e. rotor and stator is disposed around synchronous generator
In the annular region of the pivot center of machine, the rotor can also be referred to as armature.Therefore, especially, the 0 of air gap radius is at least
The region of 50 percentages does not have following material, and the material guides the electric current or electric field of synchronous generator.Especially, the inside is empty
Between be entirely empty and substantially can also walk.Generally, the scope also greater than air gap radius 0 to 50 percentage, especially
0 to 70 percentage of air gap radius or even 0 to 80 percentage.According to construction, bearing structure can be present in the interior zone
In, but the bearing structure is constituted in which can axially offset in some embodiments.Determined by function, no transmission device
This synchronous generator of wind energy plant is the generator slowly rotated.Slow rotation is interpreted as low according to instrument size herein
In the rotating speed of 40 turns per minute of rotating speed, especially about 4 to 35 turns per minute.
Brief description of the drawings
The present invention is described in detail with reference to appended accompanying drawing according to preferred embodiment.It is shown in which：
First method state when Fig. 1 shows to manufacture the tubular body of serpentine,
Fig. 2 shows the second method state according to Fig. 1 method, and
Fig. 3 shows the third method state according to Fig. 1 and 2 method.
Embodiment
The tubular body 1 shown in Fig. 1 to 3 has substantially cylindrical cross section in the state of its is not deformed and is not
Bending, as seen in Figure 1 as.In order to prepare forming step, tubular body 1 is at first end section 2 by envelope
Closing member 3, such as blind plug, is closed to pressure seal.The second closure member 5 is disposed in opposite the second end section 4.Second envelope
Closing member 5 is for example configured to the check-valves with superpressure limiter.
Tubular body 1 is preferably via the liquid filling body of the second closure member 5 and carries out being loaded pressure, and such as loading is in
Pressure of the 50bar into 200bar scopes.Via the check-valves alternatively set, therefore tubular body is closed by pressure seal,
During pressure wherein predetermined inside more than tubular body 1, the voltage limiter alternatively set is set up for from the inside of tubular body 1
Discharge liquid.
Then, by the tubular body 1 of having been filled with and closing and preferred on-load pressure, it is able to carry out shaping step
Suddenly.In the embodiment illustrated, according to Fig. 1 first by the insertion tube bending apparatus 100 of tubular body 1.Pipe bending apparatus 100 makes
Tubular body 1 is at the first leg against stop part 101.Lever 103 causes tubular body 1 curved around retention pin 105 along arrow A directions
It is bent.Due to filling tubular body 1 with liquid, success carries out pipe bending in the case of pipe cross section not atrophy, and is repeatedly holding
The state according to Fig. 2 is realized during row BENDING PROCESS.
The tubular body bent to the serpentine shown in Fig. 2 has multiple substantially unbending sections 7, wherein the pipe
Shape body is the intermediate product of the method for shown embodiment, wherein the unbending section without bending respectively to be connected to
Mode in bending radius 9 is set.
Using the state according to Fig. 2 as starting point, preferably then change the pipe cross section of substantially unbending section 7.This
Carried out in the following way according to Fig. 3：Substantially unbending section 7 is sequentially inserted into the formed body 203 of pressing equipment 200
In.Formed body 203 is for example made up of two parallel bars, and the bar limits the gap of the cross section with rectangle, institute therebetween
State cross section for example as groove width C square and preferably same square as groove depth.
By the way that repeatedly drift 201 is moved up and down in the direction of arrow B, tubular body 1 in formed body 203 from
Outside is loaded power, and the power causes deformation so that pipe cross section is contoured to match to the cross section of groove.
Pressure measurement sensor 11 is preferably provided with the second closure member 5, the pressure measurement sensor, which is set up, to be used for
Monitor the internal pressure of liquid.When more than predetermined pressure value, liquid can be either released manually or more than the pressure
Relief valve is automatically turned on during power, to consider to reduce inside tubular body 1 due to the change in shape caused by pressing equipment 200
In volume.
As drawn from above embodiment, the method according to the invention is used not only for pipe cross section
The bending of combination and the change in shape that can be used in pipe cross section.But, stablized by means of the liquid of preferred on-load pressure
The volume of tubular body 1 according to advantages of the present invention, in the two single procedure of processings, that is to say, that only transversal in pipe
Only work when face is bent or when pipe shape of cross section changes.Have proven to：Sufficient stabilization, and the ring of water are realized using water
Border compatibility regards as what is be advantageously applied for it.
As an alternative, it is same to propose using oil etc..
Claims (13)
1. a kind of method for being used to shape tubular body, methods described comprises the following steps：
- tubular body with the first tube end and the second tube end is provided,
- tubular body is filled with liquid,
- closing the tubular body, and
- shape the tubular body (1).
2. according to the method described in claim 1, methods described comprises the following steps：
- before forming step, to the liquid on-load pressure in the tubular body.
3. method according to claim 2,
Wherein 20bar or bigger pressure, the preferably pressure in 50bar to 200bar scope are loaded to the liquid.
4. the method according to any one of the claims,
Wherein described forming step includes：
- one or more bending radius are introduced into the pipe.
5. method according to claim 4,
At least one bending radius in wherein described bending radius or the multiple bending radius is less than the pipe diameter of three times, excellent
Choosing is in the pipe diameter less than three times until in the scope of substantially twice pipe diameter.
6. the method according to any one of the claims,
Wherein described forming step includes：
The pipe cross section of the one or more sections of-change tubular body or the pipe cross section for changing the whole tubular body,
It is preferred that changing over substantially polygonal shape of cross section, the shape of cross section of substantial rectangular is particularly preferably changed over.
7. method according to claim 6,
Wherein the tubular body is inserted into formed body to change cross section, and by means of power loading make the tubular body into
Shape is matches the formed body, preferably by means of drift or roller.
8. the method according to any one of the claims, wherein multiple bending radius are incorporated into the tubular body
In, and the forming step also includes：
- tubular body is bent into serpentine, wherein the serpentine has one or more substantially unbending pipe portions
Section, the unbending pipe section is connected respectively in one or more of bending radius bending radius.
9. the method according to any one of the claims,
Methods described comprises the following steps：
- when pressure exceedes predetermined value during shaping, liquid is released from the tubular body preferably by means of relief valve.
10. the method according to any one of the claims,
Methods described comprises the following steps：
- monitor the fluid pressure during shaping preferably by means of pressure measurement sensor.
11. the method according to any one of the claims,
Wherein described tubular body is formed by Steel material, is especially formed by stainless steel or shaped steel.
12. a kind of tubular body of serpentine, the tubular body is manufactured in the method according to any one of the claims,
The tubular body has
- multiple bending radius, preferably have less than the bending radius of the pipe diameter of three times, and
- multiple substantially unbending sections, the substantially unbending section is preferably connected to the bending without bending
On radius,
At least one in wherein described substantially unbending section, it is preferably multiple or all described in substantially unbending portion
Section has the cross section of substantial rectangular.
13. application of a kind of tubular body of serpentine according to claim 12 in generator, especially in wind energy plant
Multipole synchronous generator in application, wherein the generator be used for produce electric current, wherein
- the generator, the stator of preferably described generator, with multiple grooves, the winding in groove setting, preferably stator around
Group,
- the tubular body has multiple substantially unbending sections, and the substantially unbending section has substantially square
The cross section of shape, wherein the substantially unbending section of the tubular body is arranged in the groove and by cooling liquid
Percolation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015201008.2 | 2015-01-22 | ||
| DE102015201008.2A DE102015201008A1 (en) | 2015-01-22 | 2015-01-22 | Method for forming a tubular body, meander-shaped tubular body and use thereof |
| PCT/EP2015/078078 WO2016116198A1 (en) | 2015-01-22 | 2015-11-30 | Method for forming a tubular body, undulating tubular body and use of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107107152A true CN107107152A (en) | 2017-08-29 |
Family
ID=54705649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580072211.9A Pending CN107107152A (en) | 2015-01-22 | 2015-11-30 | For method, the tubular body of serpentine and its application for shaping tubular body |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20180021830A1 (en) |
| EP (1) | EP3247510A1 (en) |
| JP (1) | JP6466579B2 (en) |
| KR (1) | KR20170091727A (en) |
| CN (1) | CN107107152A (en) |
| AR (1) | AR103462A1 (en) |
| BR (1) | BR112017013290A2 (en) |
| CA (1) | CA2968752A1 (en) |
| DE (1) | DE102015201008A1 (en) |
| TW (1) | TW201641179A (en) |
| UY (1) | UY36520A (en) |
| WO (1) | WO2016116198A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620467A (en) * | 2018-02-05 | 2018-10-09 | 青岛海尔特种电冰柜有限公司 | Inner cool tube Automatic-drawing equipment and processing method |
| CN109226391A (en) * | 2018-10-30 | 2019-01-18 | 河南中原特钢装备制造有限公司 | It is a kind of to realize that pipeline continuously holds curved device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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- 2015-11-30 KR KR1020177018430A patent/KR20170091727A/en not_active Application Discontinuation
- 2015-11-30 EP EP15801473.8A patent/EP3247510A1/en not_active Withdrawn
- 2015-11-30 JP JP2017529373A patent/JP6466579B2/en not_active Expired - Fee Related
- 2015-11-30 CN CN201580072211.9A patent/CN107107152A/en active Pending
- 2015-11-30 WO PCT/EP2015/078078 patent/WO2016116198A1/en active Application Filing
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- 2015-11-30 BR BR112017013290A patent/BR112017013290A2/en not_active Application Discontinuation
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2016
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| CN108620467A (en) * | 2018-02-05 | 2018-10-09 | 青岛海尔特种电冰柜有限公司 | Inner cool tube Automatic-drawing equipment and processing method |
| CN108620467B (en) * | 2018-02-05 | 2024-02-20 | 青岛海尔特种电冰柜有限公司 | Automatic stretching equipment and processing method for inner cooling pipe |
| CN109226391A (en) * | 2018-10-30 | 2019-01-18 | 河南中原特钢装备制造有限公司 | It is a kind of to realize that pipeline continuously holds curved device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180021830A1 (en) | 2018-01-25 |
| WO2016116198A1 (en) | 2016-07-28 |
| KR20170091727A (en) | 2017-08-09 |
| UY36520A (en) | 2016-08-31 |
| CA2968752A1 (en) | 2016-07-28 |
| DE102015201008A1 (en) | 2016-07-28 |
| JP6466579B2 (en) | 2019-02-06 |
| JP2018500175A (en) | 2018-01-11 |
| AR103462A1 (en) | 2017-05-10 |
| TW201641179A (en) | 2016-12-01 |
| EP3247510A1 (en) | 2017-11-29 |
| BR112017013290A2 (en) | 2018-03-06 |
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