EP0066755A1 - Dispositif de guidage pour le tuyau d'une installation de pulvérisation de béton - Google Patents

Dispositif de guidage pour le tuyau d'une installation de pulvérisation de béton Download PDF

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Publication number
EP0066755A1
EP0066755A1 EP82104455A EP82104455A EP0066755A1 EP 0066755 A1 EP0066755 A1 EP 0066755A1 EP 82104455 A EP82104455 A EP 82104455A EP 82104455 A EP82104455 A EP 82104455A EP 0066755 A1 EP0066755 A1 EP 0066755A1
Authority
EP
European Patent Office
Prior art keywords
hose
lance
axis
boom
head piece
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.)
Withdrawn
Application number
EP82104455A
Other languages
German (de)
English (en)
Inventor
Robert Wälti
Hans Rudolf Egger
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.)
INTRADYM MASCHINEN AG
Original Assignee
INTRADYM MASCHINEN AG
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
Application filed by INTRADYM MASCHINEN AG filed Critical INTRADYM MASCHINEN AG
Publication of EP0066755A1 publication Critical patent/EP0066755A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete

Definitions

  • the invention relates to a hose guide device for a concrete spraying system according to the preamble of claim 1.
  • Such a hose guide device is usually arranged on the chassis of a concrete spraying system which is used in tunnel construction in order to cover the ceiling and the walls of the tunnel with a concrete layer.
  • the concrete mixture to be sprayed is supplied by a downstream concrete spraying machine and is conveyed by means of compressed air through the hose, from which it emerges at its front end in the direction of the tunnel ceiling and the tunnel walls.
  • the hose carrying the concrete mixture must therefore divert this mixture from the essentially horizontal direction of conveyance into a spraying direction which is essentially at right angles to the conveying direction.
  • the hose Since the concrete mixture is highly abrasive, the hose is particularly worn in curvatures on the deflecting inner surfaces. This one-sided wear significantly shortens the life of the hose and requires it to be replaced quite often, even though the remaining areas of the hose are still in a usable condition. Except the high material wear on hoses, the replacement also means that the concrete spraying machine always comes to a standstill.
  • the invention is therefore based on the object of providing a hose guide device of the type mentioned in the preamble which reduces the one-sided wear of the hose and thereby enables a longer service life.
  • the rotary drive can be arranged on the boom and engage the hose at its rear end and the rotatable holding part in the head piece can be freely rotatably mounted. It is therefore sufficient that the hose is only driven at one end while the other end rotates freely. According to the proposed solution, the hose is driven at the end at which it is connected to a feed line via a coupling. The fact that the drive acts in the vicinity of the coupling point prevents the hose from twisting if there is friction with the parts at the coupling point.
  • the hose can run centrally through part of its length through the boom.
  • Such a configuration of the subject matter of the invention facilitates the transmission of a rotational movement to the hose, since the hose is guided and also protected at least over the length of the boom.
  • the boom can have a tubular lance guide piece and a lance mounted therein and the rotary drive can have a deflection device which derives the rotary movement from a longitudinal displacement of the lance in the lance guide piece.
  • the rotary drive can have a deflection device which derives the rotary movement from a longitudinal displacement of the lance in the lance guide piece.
  • This embodiment is based on the knowledge that experience has shown that the head piece and thus the lance are displaced frequently enough in the longitudinal direction of the lance during the spraying operation, so that by deriving the rotary movement of the hose from a longitudinal displacement of the lance, wear that is distributed at least approximately uniformly over the circumference is attained of the hose is made possible.
  • the deflection device can have a guide tube which is rotatably mounted in the lance and connected to the hose in a rotationally fixed manner and which is provided with a helical link which is guided between two rollers connected to the lance guide piece.
  • the guide tube gives the hose a secure hold within the lance, which, for example, in cross section Can be square. It goes without saying that in such an embodiment the lance must have a longitudinal slot through which the two rollers engage in the space inside the lance.
  • the rear end of the hose can be pushed onto an inlet cone connected in a rotationally fixed manner to the lance and the sealing and sliding surface formed between the rear end of the hose and the inlet cone can be lubricated with water.
  • Such an embodiment forms the coupling and at the same time serves as a seal between the non-rotatable inlet cone and the rotating hose.
  • Lubrication with water reduces the friction and enables a friction surface that is always flushed freely between the parts that serve as the clutch.
  • the supply of water to the concrete mixture is required anyway, so that with appropriate water guidance, no significant additional expenditure on construction elements is required.
  • the head piece can be pivoted about an axis lying transversely to the lance axis and rotatable about the lance axis on the lance.
  • Such an arrangement, in which the head piece can be rotated, for example, by a rotation angle of 360 ° about the axis of the lance, is only possible in that the front hose end of the hose is freely rotatable in a rotatable holding part because of the free rotatability of the at the front end of the hose there is no twisting of the hose.
  • the headpiece can be equipped with a wobble drive which causes the front hose end to wobble. Due to the wobble drive, the front hose end serving as a spray nozzle is set in a wobble movement of, for example, 4 ° in order to distribute the material jet of the concrete mixture and thereby avoid the prolonged spraying on one and the same point. Even with such an arrangement, the freely rotatable holding part does not exert any stress on the front end of the hose which could lead to the hose being twisted.
  • a horizontally extending boom 12 is arranged on a support arm 10, which is only indicated, of a chassis of a concrete spraying system, not shown, and is pivotable about a horizontal axis 14.
  • An actuator cylinder 16 supported on the support arm 10 serves as the drive for pivoting the boom 12.
  • the boom 12 carries at its end a head piece 18 which can be adjusted in several directions.
  • the end 20 of a hose 22 serving as a spray nozzle for the concrete mixture is clamped.
  • the boom 12 has a lance 24 which is arranged axially displaceably in a lance guide piece 26.
  • the lance 24 and also the lance guide piece 26, which is also referred to as a carriage, are designed in their profile as a square.
  • the lance 24 is shown shortened in FIG. 1.
  • To move the lance 24 within the lance guide piece 26, the lance is connected to a drive chain 28.
  • the chain 28 is fastened to the rear end 24 ′ of the lance 24 by means of a chain tensioner 30.
  • the chain 28 extends from an adjusting drive 32 having a plurality of deflection wheels within the lance guide piece 26 and also in the direction opposite the chain tensioner 30, its other end likewise being fastened to the lance 24.
  • the lance 24 can be displaced in the axial direction within the lance guide piece 26 by the adjustment drive 32.
  • a flexible feed line 34 opens into the interior of the lance 24.
  • a swivel arm 36 is arranged so as to be pivotable about an axis running at right angles to the lance axis. A serves as a drive for the swiveling movement Actuating cylinder 38.
  • the swivel arm 36 carries the head piece 18 at its front end.
  • the head piece 18 intended for holding the front end 20 of the hose 22 has a holding part 40 with a clamping device 42 for clamping the front hose end 20.
  • the clamping device 42 is dimensioned such that it reliably absorbs the strong repulsive forces when the concrete mixture is sprayed through the front hose end 20 serving as a nozzle.
  • the holding part 40 is mounted such that it can rotate freely about its axis relative to a support plate 44.
  • the holding part 40 can be made to tumble by a geared motor 46. This wobble movement serves to distribute the material jet when spraying the concrete mixture.
  • the pivot arm 36 carrying the head piece 18 is not only arranged pivotably about its pivot axis, but is also rotatably mounted about the axis of the lance 24.
  • the gear motor 50 arranged on a support plate 48 at the front end of the lance serves to carry out this rotary movement. Although only one swivel arm 36 is shown in FIG .
  • the head piece 18 can be rotated as desired about the axis of the lance 24 by means of the geared motor 50.
  • a twisting of the hose 22 cannot occur since every twisting movement is compensated for by the free holding of the front hose end 20. It is thus possible to the axis of the lance 24 to rotate through an angle of 360 0 the headpiece 18th
  • the arrangement of the hose 22 within the lance 24 and between two pivot arms 36 in the provided embodiment, the hose 22 is largely safe from external damage.
  • FIG. Details of the head 18 are shown in FIG. It can be seen from this figure how the front end 20 of the hose 22 is held in the holding part 40 by means of the clamping device 42 and is freely rotatable about its axis by means of a bearing 52. Although only one clamping device 42 designed as a clamping screw is shown in the exemplary embodiment shown, in practice several such clamping screws 42 will be arranged distributed over the circumference of the hose end 20.
  • the holding part 40 is annular and non-rotatably connected to the inner ring of the bearing 52.
  • the bearing 52 is inserted with its axis at an angle, for example 4 0 , into a swash ring 54.
  • the swash ring 54 is rotatably supported on the support plate 44 by means of a further bearing 56.
  • a toothed ring 58 which meshes with a pinion 60 of the geared motor 46, is placed on the jacket of the wobble ring 54. The free rotation of the hose 22 about its axis is completely independent of the wobble drive.
  • the rear end 24 'of the lance 24 can be seen again, in which the rear end 62 of the hose 22 is held in a guide tube 64 in a rotationally fixed manner.
  • the guide tube 64 is rotatably supported within the lance 24, which has a square cross section, but cannot be displaced in the axial direction with respect to the lance.
  • the flexible feed line 34 opens into an inlet cone 66, on which the rear end 62 of the hose -22 is pushed.
  • the flexible feed line 34 is connected to the rear one by means of a fastening element 68 End 24 'of the lance 24 rotatably connected.
  • a water connection 70 opens into an annular channel 72, through which water is introduced to lubricate the sealing surface between the inlet cone 66 and the rear end 62 of the hose 22.
  • a replaceable sealing and sliding ring as a coupling element between the rear end 62 of the hose 22 and an inlet piece, not shown, which is connected to the hose 22 in a rotationally fixed manner.
  • a helical backdrop On the guide tube 64, a helical backdrop, not shown, is arranged, which is guided between two rollers, also not shown, connected to the lance guide piece 26 (FIG. 1).
  • the backdrop and the rollers form a deflection device, by means of which a longitudinal displacement of the lance 24 within the lance guide piece 26 is deflected into a rotary movement of the guide tube 64.
  • the hose 22, which is connected in a rotationally fixed manner to the guide tube 64 is rotated about its own axis with each longitudinal adjustment of the lance 24 in the lance guide piece 26.
  • the helical backdrop can have such an incline that a full displacement of the lance 24 in the lance guide piece 26 results in a rotation angle of 360 for the hose 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP82104455A 1981-06-10 1982-05-21 Dispositif de guidage pour le tuyau d'une installation de pulvérisation de béton Withdrawn EP0066755A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3782/81 1981-06-10
CH378281 1981-06-10

Publications (1)

Publication Number Publication Date
EP0066755A1 true EP0066755A1 (fr) 1982-12-15

Family

ID=4263363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82104455A Withdrawn EP0066755A1 (fr) 1981-06-10 1982-05-21 Dispositif de guidage pour le tuyau d'une installation de pulvérisation de béton

Country Status (4)

Country Link
EP (1) EP0066755A1 (fr)
JP (1) JPS58599A (fr)
BR (1) BR8203369A (fr)
ZA (1) ZA823618B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990010588A1 (fr) * 1989-03-10 1990-09-20 Minkkinen Risto J Dispositif de transport de matieres fluides
WO1994004792A1 (fr) * 1992-08-19 1994-03-03 Putzmeister-Werk Maschinenfabrik Gmbh Engin de betonnage mobile
EP0838563A1 (fr) * 1996-10-25 1998-04-29 PUTZMEISTER Aktiengesellschaft Bras de distribution pour pompes à béton
CN104612717A (zh) * 2015-02-03 2015-05-13 莱州亚通重型装备有限公司 一种湿式喷浆台车的喷射头机构
CN109395936A (zh) * 2018-09-10 2019-03-01 湖南希法工程机械有限公司 喷射机及其臂架组件
CN113831087A (zh) * 2021-10-12 2021-12-24 湖南交通国际经济工程合作有限公司 一种高性能喷射混凝土及其施工方法
CN114803410A (zh) * 2022-05-17 2022-07-29 中国水利水电第七工程局有限公司 一种大型混凝土制管设备的飞溅混凝土回收装置
US11585154B2 (en) 2017-09-08 2023-02-21 Epiroc Rock Drills Aktiebolag Mining or construction vehicle
US11661797B2 (en) 2017-09-08 2023-05-30 Epiroc Rock Drills Aktiebolag Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4891718B2 (ja) * 2006-09-27 2012-03-07 パイオニア株式会社 スピーカ用磁気回路及びスピーカ装置
JP4913573B2 (ja) * 2006-12-13 2012-04-11 パイオニア株式会社 スピーカ用磁気回路及びスピーカ
WO2021111676A1 (fr) * 2019-12-04 2021-06-10 パナソニックＩｐマネジメント株式会社 Circuit magnétique, unité de haut-parleur et système de haut-parleur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD88845A (fr) *
DE2165889B1 (de) * 1971-12-31 1973-06-14 Bergwerksverband Gmbh, 4300 Essen Blasvorrichtung zum hinterfuellen von streckenausbau
DE2325029A1 (de) * 1972-05-18 1973-11-29 Eugenio Ripamonti Lkw-kran-vorrichtung fuer rohre zum verteilen von beton, die durch eine betonpumpe gespeist werden, und zwar insbesondere fuer das giessen von tunnelauskleidungen
AT329109B (de) * 1973-11-08 1976-04-26 Universale Hoch & Tiefbau Vorrichtung zum auskleiden von tunneln oder stollen mit pumpbeton
AT354505B (de) * 1976-06-01 1979-01-10 Stabilator Ab Vorrichtung zum hin- und herschwenken einer spritzduese

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD88845A (fr) *
DE2165889B1 (de) * 1971-12-31 1973-06-14 Bergwerksverband Gmbh, 4300 Essen Blasvorrichtung zum hinterfuellen von streckenausbau
DE2325029A1 (de) * 1972-05-18 1973-11-29 Eugenio Ripamonti Lkw-kran-vorrichtung fuer rohre zum verteilen von beton, die durch eine betonpumpe gespeist werden, und zwar insbesondere fuer das giessen von tunnelauskleidungen
AT329109B (de) * 1973-11-08 1976-04-26 Universale Hoch & Tiefbau Vorrichtung zum auskleiden von tunneln oder stollen mit pumpbeton
AT354505B (de) * 1976-06-01 1979-01-10 Stabilator Ab Vorrichtung zum hin- und herschwenken einer spritzduese

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990010588A1 (fr) * 1989-03-10 1990-09-20 Minkkinen Risto J Dispositif de transport de matieres fluides
WO1994004792A1 (fr) * 1992-08-19 1994-03-03 Putzmeister-Werk Maschinenfabrik Gmbh Engin de betonnage mobile
EP0838563A1 (fr) * 1996-10-25 1998-04-29 PUTZMEISTER Aktiengesellschaft Bras de distribution pour pompes à béton
CN104612717A (zh) * 2015-02-03 2015-05-13 莱州亚通重型装备有限公司 一种湿式喷浆台车的喷射头机构
US11585154B2 (en) 2017-09-08 2023-02-21 Epiroc Rock Drills Aktiebolag Mining or construction vehicle
US11661797B2 (en) 2017-09-08 2023-05-30 Epiroc Rock Drills Aktiebolag Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement
CN109395936A (zh) * 2018-09-10 2019-03-01 湖南希法工程机械有限公司 喷射机及其臂架组件
CN113831087A (zh) * 2021-10-12 2021-12-24 湖南交通国际经济工程合作有限公司 一种高性能喷射混凝土及其施工方法
CN114803410A (zh) * 2022-05-17 2022-07-29 中国水利水电第七工程局有限公司 一种大型混凝土制管设备的飞溅混凝土回收装置

Also Published As

Publication number Publication date
BR8203369A (pt) 1983-05-31
ZA823618B (en) 1983-03-30
JPS58599A (ja) 1983-01-05

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19820524

AK Designated contracting states

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: EGGER, HANS RUDOLF

Inventor name: WAELTI, ROBERT