EP0749555B1 - Mechanische brennstoff fördereinrichtung für heizungsanlagen - Google Patents

Mechanische brennstoff fördereinrichtung für heizungsanlagen Download PDF

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Publication number
EP0749555B1
EP0749555B1 EP95909661A EP95909661A EP0749555B1 EP 0749555 B1 EP0749555 B1 EP 0749555B1 EP 95909661 A EP95909661 A EP 95909661A EP 95909661 A EP95909661 A EP 95909661A EP 0749555 B1 EP0749555 B1 EP 0749555B1
Authority
EP
European Patent Office
Prior art keywords
stoker
worm
conveyor system
arm
driving arm
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.)
Expired - Lifetime
Application number
EP95909661A
Other languages
English (en)
French (fr)
Other versions
EP0749555A1 (de
Inventor
Overdahl Pedersen Jorgen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0749555A1 publication Critical patent/EP0749555A1/de
Application granted granted Critical
Publication of EP0749555B1 publication Critical patent/EP0749555B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus

Definitions

  • This invention relates to a stroker conveyor system according to the preamble of claim 1.
  • the present invention is especially well suited for stoker furnaces needing very high gear ratios an rapid change of gears. This may be desirable in the case og various volume/weight ratios.
  • a gear device for stoker worms for stokers is known.
  • the stoker worm is driven through a ratchet mechanism by a linked driving arm with a hinge and a hinge pin which moves in a slot the inclination of which may be varied whereby the gear ratio may be varied.
  • a friction clutch is incorporated in the gear.
  • This known gear device is complicated in its construction and therefore is expensive to manufacture. Further it has many wearing parts and the gear ratio and the change in gear ratio which is obtainable is small. By excess load the friction clutch is heated and therefore is not long-time durable.
  • the known techniques suffer the drawback that the chain is caused to break or that the motor seizes as a consequence of a possible blocking of the worm.
  • a system of simple construction which has a high gear ratio with a minimum of power loss, and which has a spring for adjustment of maximum load, and where the said spring at de same time acts as an overload safety device for the worm conveyor.
  • Claim 2 describes a preferred embodiment of an overload safety device for a stoker conveyor system according to the invention.
  • the novelty according to the invention is the use of a crank movement to pull the idling bearings which pull the worm a distance forward, and on the return stroke the worm comes to a standstill.
  • a safety arrangement in the form of a compression spring is to be used in push rotation.
  • the drive arm is prolonged so that the spring is mounted on the other side og the gear arm, which thus makes the spring function as a compression spring.
  • a rapid change in the gearing can be effected by changing the length of the drive arm, either by moving the push/pull rod into holes or infinitely variably in a slit.
  • the overload safety divice can, in principle, run endlessly without damage to vital parts.
  • the result will be a functional heating plant, which is simple of construction and has a conveyor system consisting of few components.
  • Fig. 1 shows the stoker conveyor system mounted on a fuel hopper, and which consists of an idling bearing on which is mounted a gear arm and a drive arm with an overload safety device.
  • the drive arm with the overload safety device (1) is loosely mounted on the gear change arm (2). This makes it possible to change the gearing, which will cause a change in the speed of rotation of the stoker worm body (4).
  • the gear change arm (2) is built integral with an idling bearing (3), which is mounted on the stoker worm (4) itself.
  • the whole stoker conveyor system is driven by an electric motor (5).
  • the electric motor (5) transmits the drive to the drive arm (1) via an eccentric disk (6).
  • the drive arm (1) is of a cylindrical construction with an overload spring (7), an by means of the tensioner device (8) it is possible to change the maximum load of the overload safety device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Transmission Devices (AREA)
  • Tunnel Furnaces (AREA)
  • Incineration Of Waste (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Drying Of Solid Materials (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Solid-Fuel Combustion (AREA)
  • Furnace Details (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Paper (AREA)
  • Advancing Webs (AREA)
  • Coating Apparatus (AREA)
  • Control Of Conveyors (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Claims (2)

  1. Stoker Konveyor System für Heizungsanlage, die eine Stokerschnecke (4) umfasst, welche von einem Motor über einen Antriebsarm getrieben wird,
    dadurch gekennzeichnet, dass
    der Antriebsarm (1) einen Übersetzungsarm (2) antreibt, der sich radiär von einem Freilauflager (3), an dem er fest montiert ist, herausstreckt, welches an einer Welle der Stoker-Schnecke (4) montiert ist, und ist entweder mit einem länglichen Schlitz oder mit einer Reihe von Löchern (2') ausgeformt, in einem von denen das Ende eines Antriebsarmes (1), der von einer exzentrischen Scheibe (6) angetrieben wird, in einen einwegigen Eingriff kommen kann - entweder durch Zug oder Druck - mit dem Übersetzungsarm (2) in einem Abstand vom Freilauflager (3), der variiert werden kann, wodurch das Übersetzungsverhältnis variiert werden kann, und dass im Antriebsarm eine Überlastungssicherung eingebaut ist.
  2. Stoker Konveyor System dem Anspruch 1 entsprechend
    dadurch gekennzeichnet, dass
    die Überlastungssicherung eine Feder (7) umfasst, die so montiert ist, dass sie das Ende des Antriebsarmes (1) in Stellung auf den Übersetzungsarm (2) in ein gewähltes Loch (2') entweder drücken oder ziehen kann, und dass die Vorspannung der Feder (7) variiert werden kann mit Hilfe einer Spannanordnung (8), die durch ein Nachbarloch (2') zu einem Loch (2') geführt ist, mit dem das Ende des Antriebsarmes (1) in Eingriff ist.
EP95909661A 1994-02-22 1995-02-22 Mechanische brennstoff fördereinrichtung für heizungsanlagen Expired - Lifetime EP0749555B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK9400090U DK9400090U3 (da) 1994-02-22 1994-02-22 Stokerfremføringssystem til fyringsanlæg
DK90/94 1994-02-22
DK9094 1994-02-22
PCT/DK1995/000072 WO1995022721A1 (en) 1994-02-22 1995-02-22 Stoker conveyor system heating plants

Publications (2)

Publication Number Publication Date
EP0749555A1 EP0749555A1 (de) 1996-12-27
EP0749555B1 true EP0749555B1 (de) 2000-08-02

Family

ID=8154674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95909661A Expired - Lifetime EP0749555B1 (de) 1994-02-22 1995-02-22 Mechanische brennstoff fördereinrichtung für heizungsanlagen

Country Status (12)

Country Link
EP (1) EP0749555B1 (de)
CN (1) CN2262173Y (de)
AT (1) ATE195173T1 (de)
AU (1) AU1806295A (de)
DE (1) DE69518232T2 (de)
DK (1) DK9400090U3 (de)
EE (1) EE9600110A (de)
FI (1) FI963295A (de)
LV (2) LV11709A (de)
NO (1) NO963466D0 (de)
PL (1) PL57657Y1 (de)
WO (1) WO1995022721A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704871B1 (ko) * 2005-10-31 2007-04-09 한국전력공사 미량의 미분탄 정량 공급장치
CN106402920A (zh) * 2016-11-03 2017-02-15 新疆农业科学院农业机械化研究所 一种自动提煤加煤机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE117697C1 (de) *

Also Published As

Publication number Publication date
DK9400090U3 (da) 1994-04-08
ATE195173T1 (de) 2000-08-15
CN2262173Y (zh) 1997-09-10
DE69518232T2 (de) 2001-03-15
LV11709B (en) 1997-06-20
AU1806295A (en) 1995-09-04
PL57657Y1 (en) 2000-02-29
FI963295A0 (fi) 1996-08-23
DE69518232D1 (de) 2000-09-07
FI963295A (fi) 1996-10-18
PL105431U1 (en) 1997-01-06
LV11709A (en) 1997-02-20
NO963466D0 (no) 1996-08-20
WO1995022721A1 (en) 1995-08-24
EP0749555A1 (de) 1996-12-27
EE9600110A (et) 1997-04-15

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