EP1989022B1 - Boîtier de turbine de grenaillage - Google Patents

Boîtier de turbine de grenaillage Download PDF

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Publication number
EP1989022B1
EP1989022B1 EP07726558A EP07726558A EP1989022B1 EP 1989022 B1 EP1989022 B1 EP 1989022B1 EP 07726558 A EP07726558 A EP 07726558A EP 07726558 A EP07726558 A EP 07726558A EP 1989022 B1 EP1989022 B1 EP 1989022B1
Authority
EP
European Patent Office
Prior art keywords
spinner
clamping claw
housing
lining
groove
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.)
Active
Application number
EP07726558A
Other languages
German (de)
English (en)
Other versions
EP1989022A2 (fr
Inventor
Herbert Liedtke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wheelabrator Group GmbH
Original Assignee
Wheelabrator Group GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE200620003208 external-priority patent/DE202006003208U1/de
Priority claimed from DE200620003209 external-priority patent/DE202006003209U1/de
Application filed by Wheelabrator Group GmbH filed Critical Wheelabrator Group GmbH
Priority to PL07726558T priority Critical patent/PL1989022T3/pl
Publication of EP1989022A2 publication Critical patent/EP1989022A2/fr
Application granted granted Critical
Publication of EP1989022B1 publication Critical patent/EP1989022B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B24C5/066—Housings; Accessories therefor, e.g. liners

Definitions

  • the invention relates to a blast wheel housing with an outer housing, which consists of at least one cover element, two side elements and two of these comprises spaced apart arranged end wall elements, and with at least one insertable into the outer housing lining insert, the at least one lining cover element, two lining side elements and two of this comprises, spaced apart lining end wall elements comprises.
  • centrifugal wheels are used, with the aid of which fine-grained blasting medium can be thrown onto the workpiece surface at high speed.
  • the spinner wheels essentially consist of at least one side plate with attached throwing blades which extend substantially radially.
  • the blast wheel is arranged in a blast wheel housing and rotatably mounted there.
  • the blast wheel housing has only in a partial area on the outer circumference of the blast wheel an opening from which the blasting agent can escape.
  • the remaining areas of the outer housing are closed and provided with lining elements, over which a protection of the actual outer housing against the abrasive abrasive particles is given.
  • the lining elements are designed as wearing parts and therefore must be easy to insert into the outer housing or to be removed again therefrom.
  • a guide sleeve which is arranged fixed in the center of the rotating blast wheel.
  • the guide sleeve with the subsequent blasting agent supply is attached to a Leithülsendeckel, which in turn is attached to a recess on a side wall member of the outer housing. Due to the flange-like connection of outer housing and Leithülsendeckel different angular positions are set.
  • the jet turbine is fastened to a blast cabin via a screw connection with a foundation or the base element. The screws pass through holes in the foot elements of the outer housing.
  • the object of the invention is therefore to enable removal of the screw connections even when the screw connection is blocked by contamination, without damaging the blower wheel housing with its attachments.
  • the overall height can be reduced, since within the T-slot only the mostly hexagonal or otherwise provided with key surfaces part of the screw head needs to be added. Unless the Height is not an important criterion, the mother may be concealed and show the screw head to the outside in reverse order.
  • the T-groove is about as wide as the key width, so that the screw head or the mother used there is guided against rotation.
  • an embodiment is advantageous in which in the groove bottom of the T-groove a recess is made, which ends in front of the open end of the T-groove.
  • the clamping element can be rotated freely.
  • the angled protruding edge of the clamping element can pass the Spannspatzenlagerelement over to allow easy disassembly of the component.
  • a further embodiment provides that a lining insert can be used as wear protection in the outer housing, which consists of at least two trapezoidal lining side elements and two lining end wall elements, wherein a lining cover element can be locked on the lining insert by means of two clamping claws which are fastened to a clamping tongue support element on the outer housing. Also in the lining cover fastening within the outer housing, the connection formation according to the invention is advantageous.
  • the attachment of the Spannpratzenlagerelements for the lining cover can be simplified in that this has a projection, shoulder or extension, which is inserted into a compatible recess in the outer outer housing.
  • This connection can be realized as a press fit or secured by means of a welding point.
  • the Leithggsendeckel must be attached to the side wall member, it is appropriate that at least three Spannspatzenlageretti are mounted on the side wall member of the outer housing to the Leithggsenapplicationaus foundedung in each of which a T-slot is introduced. Its open end is preferably disposed away from the sliding sleeve receiving recess so that the T-slots extend radially outward with respect to the center of the conductive sleeve cover.
  • the foot elements are preferably two spaced parallel and mirror-symmetrical aligned foot angle. These are easy to produce, for example by folding the side wall elements, and can be clamped well on the clamps.
  • Fig. 1 1 shows a blast wheel housing 100 with a turbine 200 installed therein.
  • the turbine 200 is essentially composed of a motor 201, a blast wheel 202 with throwing blades 203, and an impeller 204.
  • the blast wheel housing 100 is formed by an outer housing 10 and a liner insert 20.
  • the outer housing 10 encloses the impeller 202, 203, 204 except for the bottom area open at the bottom. It is formed inter alia of trapezoidal side wall elements 14, which are arranged at a distance from each other, in particular are aligned parallel to each other. Sideways here side wall elements 11, 12 are attached. Above a lid member 15 is placed.
  • the side member 11 in Fig. 1 extends from a rear, planar area 1.1.4 on a first, at right angles employed leg 11.3, which is again bent so that there is another short leg 11.2, the outer edge 11.1 is connected either to the lateral outer edge of the end wall element 14 or welded directly onto the surface of the end wall element 14.
  • an adjusting screw 12.2 is arranged, with which the lining side member 22 is pressed onto the lining end elements 23, 24.
  • a screw connection 12.1 connects the flange-like bent upper edge of the side edge element 12 with a cover element 15.
  • the outer housing 10 is cut open and allows the view of the liner insert 20, which is formed here of flat steel plates.
  • Fig. 4 shows a section of the liner cover member 25 of the liner insert 20, which is disposed within the outer housing 10. From the outer housing 10 are in Fig. 4 the front and side walls 12, 14 and the foot angle 16 visible.
  • the liner cover member 25 includes a rim side. Eintiefung 25.1, in which a clamping element 61 of a clamping jaw device 60 positively engages and is fixed against rotation.
  • the clamping element 61 is mounted on a Spannspatzenlagerelement 62, which is pressed with a projection 62.1 in a compatible recess in the end wall 12. The connection is made via a screw 66.
  • Fig. 6 shows a modification of the previously using the FIGS. 4 and 5 described embodiment, wherein in a Clamping device 60 'shown here no recess in the lid 25 is no longer present, but an anti-rotation is achieved in that a clamping element 61' is supported with its back directly to the inside of the side wall member 12.
  • Fig. 7 shows the separate lining insert 20, which is formed in the illustrated embodiment completely from flat plates 21 ... 25.
  • a liner end wall member 14 and liner sidewall members 21, 22 engage their upper edges in corresponding grooves in the liner cover member 25.
  • the plate-shaped elements 21, 22, 25 are connected to each other via clamping means, which are attached to the side facing away from the blower outside, so that there is no risk that the abrasive penetrates into threaded holes of the tension and blocks them.
  • the end wall elements 23, 24 have large recesses to introduce or store the turbine with blast wheel.
  • Fig. 8 shows a detail of the blower wheel housing at the transition from the lid to the side.
  • the end wall 14 is fixedly connected to the end wall lining element 24 via a screw connection 14.6.
  • the end wall 14 is closed by a flange 14.5.
  • the end wall lining element 24 has at its lateral edge positioning cams 24.1, one of which in Fig. 3 is shown.
  • On the opposite side, on the lining side member 22, a correspondingly compatible Nockenabilityaus Principleung 22.1 is formed on the opposite side.
  • Fig. 9a shows the connection of the lining elements 22, 24, 25 in a detailed view. Here it can be seen in particular that in the cover element 25 grooves are introduced into which the elements 22, 24 are inserted.
  • Fig. 9b is shown a slightly modified way of connection.
  • the side wall elements 22 'and the end wall element 24' are provided with a stepped stepped edge. Accordingly compatible with the outer edges of the lid member 25 'are designed.
  • the Jardinrifalz training this connection results in a space-saving impact without overhang of the cover member at a triple deflection in the joint gap and a correspondingly good sealing effect against penetrating blasting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Clamps And Clips (AREA)
  • Centrifugal Separators (AREA)
  • Connection Of Plates (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Gates (AREA)
  • Saccharide Compounds (AREA)
  • Supercharger (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Claims (12)

  1. Boîtier de turbine de grenaillage (100) avec un boîtier extérieur (10), qui se compose d'au moins un élément formant couvercle (15), d'au moins un élément formant pied (16), de deux éléments formant parois frontales (11, 12) et de deux éléments formant parois latérales (13, 14) trapézoïdaux, disposés à distance l'un de l'autre, entourés par ces derniers, au moins un des éléments formant parois latérales (13, 14) présentant un évidement de réception d'une douille de guidage, avec au moins un insert de revêtement (20, 30) pouvant être inséré dans le boîtier extérieur (10) et qui comprend au moins un élément formant couvercle de revêtement (25), deux éléments latéraux de revêtement (21, 22) et deux éléments formant parois frontales de revêtement (23, 24) disposés à distance l'un de l'autre, entourés par ces derniers,
    caractérisé en ce
    - qu'un couvercle de la douille de guidage (40) est pressé contre l'élément formant paroi latérale (14) par le biais d'au moins trois brides (50) fixées sur l'élément formant paroi latérale à côté de l'évidement de réception d'une douille de guidage, et/ou
    - que l'élément formant pied (16) est relié, par le biais de plusieurs brides (70), à un élément de logement de base (17) qui est fixé à une cabine de sablage ou à une fondation,
    sachant que les brides (50, 70) sont fixées chacune par une vis (56, 76) avec un écrou (77), qui est inséré avec sa tête de vis dans une rainure en T (17.1, 17.2, 52.1) ouverte au moins d'un côté, au niveau de l'élément formant paroi latérale (14) ou au niveau du couvercle de la douille de guidage (40) et/ou au niveau de l'élément formant pied (16) ou au niveau de l'élément de base (17).
  2. Boîtier de turbine de grenaillage (100) selon la revendication 1, caractérisé en ce que la tête de vis et/ou l'écrou sont dotés de pans, l'ouverture de clé correspondant essentiellement à la largeur d'une partie large (17.2) de la rainure en T.
  3. Boîtier de turbine de grenaillage (100) selon la revendication 1 ou 2, caractérisé en ce qu'une cavité (17.3), qui se termine devant l'extrémité ouverte de la rainure en T, est réalisée dans le fond de la rainure en T (17.1, 17.2).
  4. Boîtier de turbine de grenaillage (100) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'élément formant couvercle de revêtement (25) peut être arrêté sur l'insert de revêtement (20) par le biais d'une bride (61, 61') qui est fixée au niveau d'un élément de logement de bride (62) sur le boîtier extérieur (10).
  5. Boîtier de turbine de grenaillage (100) selon la revendication 4, caractérisé en ce que l'élément formant couvercle de revêtement (25) présente au moins au niveau de deux arêtes extérieures opposées, un enfoncement (25.1) destiné à un élément de serrage (61) d'une bride (60) lequel s'y engage.
  6. Boîtier de turbine de grenaillage (100) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de logement de bride (62) présente une saillie (62.1) qui prend dans un évidement compatible dans l'élément formant paroi frontale (12) du boîtier (10).
  7. Boîtier de turbine de grenaillage (100) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les brides (50, 70) comprennent respectivement au moins un élément de serrage (51, 71), qui présente côté extrémité au moins une arête (51.1, 71.1) en saillie angulaire et est logé au niveau de l'élément de logement de bride (52, 62) ou au niveau de l'élément de base (17) de telle sorte qu'en cas de rotation autour d'un point de rotation déterminé par la position finale de la vis dans la rainure en T (17.1, 17.2, 52.1), chaque arête (51, 1, 71.1) de l'élément de serrage (51, 71) passe devant l'élément de logement de bride et qu'en cas de rotation autour d'un point de rotation qui en est éloigné, au moins une arête (51.7, 71.1) est bloquée dans la zone terminale de la rainure en T par correspondance de forme par l'élément de logement de bride (52).
  8. Boîtier de turbine de grenaillage (100) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins trois éléments de logement de bride (52), dans lesquels est introduite respectivement une rainure en T (52.1), sont montés au niveau de l'élément formant paroi latérale (14) du boîtier (10) autour de l'évidement de réception d'une douille de guidage.
  9. Boîtier de turbine de grenaillage (100) selon la revendication 8, caractérisé en ce que respectivement l'extrémité ouverte de la rainure en T (52.1) est disposée de manière opposée à l'évidement de réception d'une douille de guidage.
  10. Boîtier de turbine de grenaillage (100) selon la revendication 9, caractérisé en ce que les rainures en T (52.1) s'étendent radialement, par rapport au centre du couvercle de la douille de guidage (40), vers l'extérieur.
  11. Boîtier de turbine de grenaillage (100) selon l'une quelconque des revendications 8 à 10, caractérisé en ce qu'au moins un élément de logement de bride (52) s'engage dans un évidement situé au bord extérieur du couvercle de la douille de guidage (40).
  12. Boîtier de turbine de grenaillage (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments formant pied (16) sont des équerres de pied orientées l'une par rapport à l'autre de manière symétrique et parallèlement espacée.
EP07726558A 2006-03-01 2007-02-28 Boîtier de turbine de grenaillage Active EP1989022B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07726558T PL1989022T3 (pl) 2006-03-01 2007-02-28 Obudowa koła wyrzutowego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200620003208 DE202006003208U1 (de) 2006-03-01 2006-03-01 Strahlmittelschleuderradgehäuse
DE200620003209 DE202006003209U1 (de) 2006-03-01 2006-03-01 Schleuderradgehäuse
PCT/EP2007/051922 WO2007099135A2 (fr) 2006-03-01 2007-02-28 Boîtier de turbine de grenaillage

Publications (2)

Publication Number Publication Date
EP1989022A2 EP1989022A2 (fr) 2008-11-12
EP1989022B1 true EP1989022B1 (fr) 2009-11-18

Family

ID=38234466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726558A Active EP1989022B1 (fr) 2006-03-01 2007-02-28 Boîtier de turbine de grenaillage

Country Status (8)

Country Link
US (2) US8267753B2 (fr)
EP (1) EP1989022B1 (fr)
AT (1) ATE448910T1 (fr)
DE (1) DE502007002045D1 (fr)
ES (1) ES2339178T3 (fr)
PL (1) PL1989022T3 (fr)
RU (1) RU2417872C2 (fr)
WO (1) WO2007099135A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8926406B2 (en) * 2010-01-21 2015-01-06 Accelabrator Technologies Llc Surface applied abrasive cleaning apparatus and method
JP1504257S (fr) * 2013-10-31 2017-07-24
JP1499110S (fr) * 2013-10-31 2017-05-29
JP1504256S (fr) * 2013-10-31 2017-07-24
TWD168643S (zh) * 2014-01-13 2015-06-21 新東工業股份有限公司 珠擊機用葉輪片
CN112355722B (zh) * 2020-10-27 2021-06-04 亚太泵阀有限公司 一种潜水污水泵叶轮加工方法
CN112692734B (zh) * 2020-12-22 2022-07-01 中船重工龙江广瀚燃气轮机有限公司 一种燃气轮机用后轴颈喷丸方法

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US3319383A (en) * 1962-11-29 1967-05-16 Pangborn Corp Particle-throwing apparatus
US3744190A (en) * 1971-12-22 1973-07-10 Benfur Mfg Co Suspension structure of liner plates
DE2437493A1 (de) * 1974-08-03 1976-02-12 Berger Maschf Gmbh Abdeckhaube mit hochschwenkbarem deckel fuer schleuderraeder von strahlreinigungsmaschinen
US4333278A (en) * 1979-09-24 1982-06-08 Wheelabrator-Frye Inc. Bladed centrifugal blasting wheel
US4291509A (en) * 1979-10-22 1981-09-29 Wheelabrator-Frye Inc. Guard housing and liner for bladed centrifugal blasting wheels
US4329819A (en) * 1980-04-18 1982-05-18 Ervin Industries, Inc. Centrifugal blasting apparatus
US5076028A (en) * 1990-04-19 1991-12-31 Mcdade Bernard F Housing for blast wheel
US5209024A (en) * 1991-10-22 1993-05-11 Pangborn Corporation Inexpensive abrasive blast wheel
JP3322378B2 (ja) * 1995-02-03 2002-09-09 新東工業株式会社 砥粒遠心投射装置
JP4085353B2 (ja) * 2000-06-26 2008-05-14 新東工業株式会社 遠心投射機
US6692340B1 (en) * 2003-02-05 2004-02-17 Hershell E. Williams Blast wheel housing
US6949014B2 (en) * 2003-11-17 2005-09-27 Wheelabrator Group, Inc. Control cage for abrasive blast wheel

Also Published As

Publication number Publication date
US20090186564A1 (en) 2009-07-23
ATE448910T1 (de) 2009-12-15
RU2008138897A (ru) 2010-04-10
RU2417872C2 (ru) 2011-05-10
US20120329375A1 (en) 2012-12-27
US8360829B2 (en) 2013-01-29
US8267753B2 (en) 2012-09-18
EP1989022A2 (fr) 2008-11-12
WO2007099135A3 (fr) 2008-02-21
ES2339178T3 (es) 2010-05-17
WO2007099135A2 (fr) 2007-09-07
DE502007002045D1 (de) 2009-12-31
PL1989022T3 (pl) 2010-06-30

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