EP3344938A1 - Cadre de manutention d'aubes - Google Patents
Cadre de manutention d'aubesInfo
- Publication number
- EP3344938A1 EP3344938A1 EP16770064.0A EP16770064A EP3344938A1 EP 3344938 A1 EP3344938 A1 EP 3344938A1 EP 16770064 A EP16770064 A EP 16770064A EP 3344938 A1 EP3344938 A1 EP 3344938A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rods
- partitions
- transverse
- longitudinal
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0024—Charging; Discharging; Manipulation of charge of metallic workpieces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/12—Travelling or movable supports or containers for the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
- F27D5/0018—Separating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens or the like for the charge within the furnace
- F27D2005/0081—Details
- F27D2005/0087—Means to prevent the adherence of the charge
Definitions
- the present invention relates to a blade handling frame and a method of using this frame.
- a blade handling frame having a plurality of individual housings for each blade. Such a frame allows to support the blades for their simultaneous movement in a heat treatment furnace.
- the frame is generally made of a metallic material and covered with a thin yttria zirconia layer deposited by a plasma spraying technique.
- This type of coating is necessary to avoid the contact between a blade and the metallic material of the frame which could lead to the formation of a eutectic on the blades involving a reduction of the metallurgical qualities of the vanes at the contact points. .
- the invention aims in particular to provide a simple, effective and economical solution to the problems of the prior art described above.
- a blade handling frame comprising a bottom wall carrying a plurality of intersecting longitudinal and transverse partitions forming a grid defining a plurality of housings each adapted to receive a blade, characterized in that it comprises support rods and maintaining blades away from the bottom wall and said longitudinal and transverse partitions, these rods passing through the longitudinal and transverse partitions and extending into the housing and being made at least externally in a thermally insulating material.
- the blades are supported by rods having at least one outer surface made of a thermally insulating material, which makes it possible to avoid contact between the blades and the bottom wall as well as with the longitudinal and transverse partitions. .
- this frame it is possible to remove the yttria zirconia coating, which avoids deposits of this material on the blades and subsequent pollutions of the blades. The compliance rate of the blades is thus greatly increased.
- the thermally insulating material is a ceramic material, such as 5X25 alumina.
- the rods extend substantially parallel to the longitudinal or transverse partitions.
- each housing is traversed by three groups of rods, each formed of at least two rods substantially parallel to each other, the rods of a first group being arranged to support and keeping the blades away from the bottom wall, the rods of a second group being arranged to keep the vanes of the longitudinal partitions at a distance, the rods of a third group being arranged in such a way as to keep the vanes at a distance transverse partitions.
- the rods of the first group provide support for the blades along a vertical axis while the rods of the second and third groups provide a lateral retention of the blades in the two directions of space perpendicular to each other and to the aforementioned vertical direction.
- each rod is formed of a rigid metal wire around which are engaged tubes of ceramic material.
- the bottom wall comprises orifices and is in contact with a first grid formed of first longitudinal and transverse partitions and connected by arms perpendicular to the bottom wall to a second grid formed of second longitudinal and transverse partitions.
- the invention further relates to a method of heat treatment of a blade, comprising:
- FIG. 1 is a schematic perspective side view of a frame according to the invention.
- FIG. 2 is a diagrammatic perspective view of the top of the frame of FIG. 3;
- FIG. 3 is a view on a larger scale of the zone Ma delimited in dotted line in FIG. 4;
- FIG. 4 is a view on a larger scale of the Mb zone delimited in dotted line in FIG. 4;
- FIG. 5 is a view on a larger scale of one side of the frame according to the invention.
- FIG. 6 is a schematic view of a housing of the frame according to the invention, a blade being arranged in the housing;
- FIG. 7 is a schematic representation of a rod according to the invention.
- Figure 1 shows a frame 10 or blade handling tray according to the invention.
- the vertical direction is represented by the Z axis and the other two directions of space are represented by the X and Y axes perpendicular to each other and to the Z axis (the Y axis is represented along the right edge of the frame 10 of Figure 1).
- the frame shown in the figures has a rectangular shape in an XY plane.
- the frame 10 comprises a bottom wall 12 which has orifices 14 for air circulation and which is in direct contact with a first grid 16 formed of a plurality of first longitudinal partitions 16a (extending along the axis X and perpendicularly to the bottom wall 12 and first transverse partitions 16b extending along the axis Y and perpendicular to the bottom wall 12 ( Figures 2, 3 and 4) .
- the first longitudinal partitions 16a and 16b transverse are flat and s
- the first grid 16 is connected, via arms 18 extending along the axis Z, to a second grid 20 formed of second longitudinal plane partitions 20a and transverse 20b, as can be seen in FIG. the first grid 16 and the second grid 20 together define housings 22 each adapted to receive a blade 24 (FIG.
- Each blade 24 is inserted by its foot 26 into a housing 22.
- a frame 10 allows the manipulation of a plurality of blades 24 and more particularly allows the supply of these blades 24 in a heat treatment furnace.
- the first grid 16 and the second grid 20 each comprise an inner peripheral wall 28 and an outer peripheral wall 30 defining between them a groove 32 on each side of the frame 10.
- first longitudinal transverse partitions 16a and 16b as well as the second longitudinal transverse partitions 20a and 20b are traversed by support rods and holding blades away from the bottom wall 12 and said longitudinal partitions 16a, 20a. and transverse 16b, 20b.
- each housing 22 is traversed by a first, a second and a third group of rods, the rods of each group being substantially parallel to each other.
- the first group of rods comprises two rods 34 substantially parallel to the bottom wall 12 and extending in the transverse direction (Y axis). These rods 34 of the first group pass through the first longitudinal partitions 16a and are arranged symmetrically relative to each other with respect to a median plane YZ of the housing 22.
- the rods 34 of the first group pass through the first longitudinal partitions 16a at notches 36 of said longitudinal partitions, the notches 36 opening on the bottom wall 12 ( Figure 4).
- the second group comprises two rods 38 parallel to the bottom wall 12, extending in the transverse direction (Y axis) and on either side of the rods 34 of the first group.
- the rods 38 of the second group pass through the first longitudinal partitions 16a at orifices 40 corresponding in section to that of the rods, here circular, these orifices 40 being formed at a distance from the bottom wall 12.
- the rods 42 of the third group are oriented parallel to the first and second longitudinal partitions 16a, 20a and through the first and second transverse partitions 16b, 20b.
- This third group comprises four rods 42, two first rods 42a through the first transverse partitions 16a and two second rods 42b through the second transverse partitions 20b.
- the first rods 42a of the third group are arranged symmetrically with respect to each other with respect to a median XZ plane at the housing while the second rods 42b of the third group are offset relative to each other relative to the Z axis.
- the first rods 42a and second rods 42b of the third group pass through the first and second transverse partitions 16b, 20b at circular section orifices 44 formed in these partitions ( Figure 4). It will be noted that the passage apertures of the first rods 42a of the third group are positioned along the Z axis between the passage orifices 40 of the rods 38 of the second group in the first longitudinal partitions 16a and the passage orifices 44 of the second rods 42b of the third group in the second transverse partitions 20b.
- Each blade 24 is arranged in a housing 22 so as to be supported by the rods 34 of the first group, which makes it possible to avoid contact with the metal bottom wall 12.
- the rods 38 of the second group ensure a maintenance of the blade along the axis X avoiding movements along this axis of the blade root 26.
- the rods 42a, 42b of the third group provide a maintenance of the blade along the Y axis. More specifically, the first rods 42a of the third group maintain the foot of the blade 26 along the X axis and second rods 42b of the third group maintain the blade 46 of the blade along the X axis ( Figures 5 and 6).
- each rod 48 is formed of a rigid wire 50 on which are engaged tubes of ceramic material 52.
- the rods thus formed are engaged in the orifices of the first and second longitudinal partitions 16a, 20a and transverse 16b, 20b.
- the ends of the wires 50 are fixed to the inner peripheral walls 16, 20 or outer 28, 30 of the first and second grids (FIGS. 1 and 5).
- rods 48 comprising a wire 50 and a plurality of tubes 52 of thermally insulating material, such as ceramic, makes it possible to avoid contact between the blades 24 and the frame 10 in a simple manner while avoiding problems. of the prior art.
- the ceramic of the tubes does not deposit on the blades during the various heat treatments of the blades since the ceramic tubes is not deposited in a thin layer on a support which it could detach. On the contrary, the ceramic tubes are made in the mass and are independent of the support.
- the wire 50 is preferably a material capable of withstanding temperatures of 1300 ° C. and capable of undergoing 350 ° C. per minute under argon pressure at 5 bar absolute. Such a material is for example a stainless steel.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Charging Or Discharging (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1558073A FR3040476B1 (fr) | 2015-08-31 | 2015-08-31 | Cadre de manutention d'aubes |
| PCT/FR2016/052151 WO2017037380A1 (fr) | 2015-08-31 | 2016-08-30 | Cadre de manutention d'aubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3344938A1 true EP3344938A1 (fr) | 2018-07-11 |
| EP3344938B1 EP3344938B1 (fr) | 2020-03-11 |
Family
ID=54848694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16770064.0A Active EP3344938B1 (fr) | 2015-08-31 | 2016-08-30 | Cadre de manutention d'aubes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10627164B2 (fr) |
| EP (1) | EP3344938B1 (fr) |
| CN (1) | CN107923710B (fr) |
| FR (1) | FR3040476B1 (fr) |
| WO (1) | WO2017037380A1 (fr) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2179073A (en) * | 1935-06-10 | 1939-11-07 | Timken Axle Co Detroit | Apparatus for heat treating |
| US2338784A (en) * | 1941-10-24 | 1944-01-11 | Holcroft & Co | Work supporting tray for heat treating furnaces |
| US2461606A (en) * | 1946-08-02 | 1949-02-15 | Ohio Steel Foundry Co | Work supporting means for heat treating furnaces |
| US2710746A (en) * | 1951-02-02 | 1955-06-14 | Paul S Menough | Annealing tray |
| US3156456A (en) * | 1955-05-10 | 1964-11-10 | Dale A Vonderau | Heat treating tray |
| US2962273A (en) * | 1958-04-22 | 1960-11-29 | Cambridge Wire Cloth | Material handling basket |
| US3044755A (en) * | 1960-09-06 | 1962-07-17 | Bix Company | Heat treating grid |
| DE2904722C2 (de) * | 1979-02-08 | 1982-08-05 | Rudolf 5000 Köln Klefisch | Glühkorb |
| US4431408A (en) * | 1982-02-22 | 1984-02-14 | Carolina Commercial Heat Treating, Inc. | Stackable distortion resistant furnace basket |
| US4818833A (en) * | 1987-12-21 | 1989-04-04 | United Technologies Corporation | Apparatus for radiantly heating blade tips |
| US5752821A (en) * | 1996-07-02 | 1998-05-19 | Kia Motors Corporation | Tray for heat treatment furnace |
| JP2002532840A (ja) * | 1998-12-14 | 2002-10-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | キャリヤサブストレート |
| FR2819047B1 (fr) * | 2000-12-28 | 2003-06-27 | Snecma Moteurs | Support approprie pour le traitement thermique d'une piece metallique et procede de traitement thermique |
| US6558159B2 (en) * | 2001-05-29 | 2003-05-06 | Demmer Corporation | Heat treatment container |
| DE102009037293B4 (de) * | 2009-08-14 | 2013-05-23 | Gtd Graphit Technologie Gmbh | Verbesserter Werkstückträger |
| JP2014126254A (ja) * | 2012-12-26 | 2014-07-07 | Hiohny:Kk | 廻り隅瓦焼成用セッター |
| JP5972831B2 (ja) * | 2013-06-06 | 2016-08-17 | 東洋炭素株式会社 | 熱処理炉用治具 |
| DE102013019228A1 (de) * | 2013-11-16 | 2014-07-24 | Daimler Ag | Werkstückträger |
-
2015
- 2015-08-31 FR FR1558073A patent/FR3040476B1/fr active Active
-
2016
- 2016-08-30 CN CN201680050483.3A patent/CN107923710B/zh active Active
- 2016-08-30 US US15/755,148 patent/US10627164B2/en active Active
- 2016-08-30 EP EP16770064.0A patent/EP3344938B1/fr active Active
- 2016-08-30 WO PCT/FR2016/052151 patent/WO2017037380A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20180252474A1 (en) | 2018-09-06 |
| CN107923710B (zh) | 2020-05-19 |
| FR3040476B1 (fr) | 2018-08-31 |
| WO2017037380A1 (fr) | 2017-03-09 |
| US10627164B2 (en) | 2020-04-21 |
| FR3040476A1 (fr) | 2017-03-03 |
| CN107923710A (zh) | 2018-04-17 |
| EP3344938B1 (fr) | 2020-03-11 |
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