EP1327722A1 - Ausgleichsgewicht für eine Baumaschine - Google Patents

Ausgleichsgewicht für eine Baumaschine Download PDF

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Publication number
EP1327722A1
EP1327722A1 EP02080538A EP02080538A EP1327722A1 EP 1327722 A1 EP1327722 A1 EP 1327722A1 EP 02080538 A EP02080538 A EP 02080538A EP 02080538 A EP02080538 A EP 02080538A EP 1327722 A1 EP1327722 A1 EP 1327722A1
Authority
EP
European Patent Office
Prior art keywords
muffler
cavity
machine according
balance weight
combustion engine
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
Application number
EP02080538A
Other languages
English (en)
French (fr)
Other versions
EP1327722B1 (de
Inventor
Claudio Arzente
Alessio Merlo
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.)
New Holland Kobelco Construction Machinery SpA
Original Assignee
Fiat Kobelco Construction Machinery SpA
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 Fiat Kobelco Construction Machinery SpA filed Critical Fiat Kobelco Construction Machinery SpA
Publication of EP1327722A1 publication Critical patent/EP1327722A1/de
Application granted granted Critical
Publication of EP1327722B1 publication Critical patent/EP1327722B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/18—Counterweights

Definitions

  • the present invention relates to a machine, in particular an earthmoving machine, of the type comprising a frame, a user-controlled operating member, and a combustion engine housed in an engine compartment and having exhaust manifolds connected to an exhaust silencer or so-called muffler.
  • the muffler is normally housed in the engine compartment and connected to the frame by brackets and/or dedicated supports.
  • housing the muffler inside the engine compartment is justified in order to simplify the connection to the engine exhaust outlets. In such a position, however, the muffler, which is a major source of heat, further increases the already high temperature inside the engine compartment, thus impairing operation of the parts concerned.
  • the size and shape of the muffler are, in most applications, dictated by those of the engine compartment.
  • a machine in particular an earthmoving machine, comprising a supporting frame, a movable operating member, a combustion engine housed in an engine compartment formed on the frame, a muffler connected to said combustion engine, and a balance weight located on the opposite side of said combustion engine with respect to said movable operating member; characterized in that said muffler is housed in said balance weight.
  • said balance weight preferably at least partly defines a cavity having an opening for insertion/removal of said muffler.
  • Number 1 in Figure 1 indicates as a whole a machine, in particular an earthmoving machine, comprising a supporting frame 2 movable on a carriage 3; an operating cab 4; an operating arm 5 connected to frame 2; a combustion engine 7 housed in an engine compartment 8 formed on frame 2; and a balance weight 9, or so-called ballast, connected to frame 2 on the opposite side of combustion engine 7 with respect to operating arm 5.
  • balance weight 9 comprises a cavity 12 which, in the example shown, has two openings 13 for inserting/removing muffler 10. One of the openings 13 is directed towards the top, and the other one towards engine compartment 8.
  • the cavity 12 is further defined at the bottom by a substantially horizontal bottom surface 14 on which muffler 10 is positioned crosswise so as to extend horizontally and perpendicularly to both the normal travelling direction 15 of machine 1 and the longitudinal members 2a of frame 2.
  • Muffler 10 is locked in this position by a releasable retaining device 16 also housed in cavity 12 and which, in the embodiment described, comprises a bracket 17 integral with combustion engine 7, and two screw ties 18.
  • Muffler 10 comprises an inlet sleeve 20 terminating directly inside engine compartment 8, and an outlet sleeve or tubular body 21 extending upwards and projecting rearwards and outwards of balance weight 9.
  • balance weight 9 comprises a further inner wall 23 separating cavity 12, and therefore muffler 10, from engine compartment 8. Consequently, cavity 12 only communicates with the outside through an upward-facing opening 24 sized to permit insertion and removal of muffler 10 into and from cavity 12, in which the muffler is located at opening 24.
  • wall 23 has a vertical slot 25 extending from and communicating with opening 24, and wider than sleeve 20.
  • cavity 12 is also closed at the top by a top wall 26 of balance weight 9 integral with the rest of balance weight 9, and communicates with the outside through two facing lateral openings 27 (only one shown in Figure 4) coaxial with an axis A and formed in respective opposite lateral walls 28 of balance weight 9 facing respective sides of machine 1.
  • Cavity 12 - which, in the example described, is a cavity running completely through the balance weight 9 - is substantially complementary in shape to that of muffler 10. The muffler 10 engages cavity 12 in axially-sliding manner and is inserted and removed through one of the openings 27 in a substantially horizontal direction parallel to axis A and again perpendicular to the normal travelling direction 15 and to longitudinal members 2a.
  • walls 23 and 26 comprise respective horizontal slots 23a and 26a which extend from and communicate with insertion/removal opening 27, and are wider than respective sleeves 20 and 21, so that sleeves 20 and 21 slide freely inside respective slots 23a and 26a when inserting and removing the muffler into and from cavity 12.
  • Muffler 10 is locked inside said cavity 12 by a releasable retaining device, which comprises, for each opening 27, a threaded U-shaped tie 30, and a bracket 31 forced onto a relative end portion of wall 23.
  • muffler 10 i.e. inside balance weight or ballast 9
  • balance weight or ballast 9 provides above all for reducing heat emission inside the engine compartment, thus greatly improving the operating conditions of the component parts housed in the engine compartment.
  • Locating the muffler inside the ballast 9 and communicating directly with the outside also provides, on the one hand, for concealing the muffler 10 from the outside, and, on the other, for dissipating the heat produced by the muffler 10 both directly outwards - by part of the radiant surface of the muffler communicating directly with the outside at all times - and via the balance weight.
  • the particular location of the muffler also provides for reducing acoustic emissions directed towards the operator, by the muffler not only being located further away from the operating cab than in known solutions, but also being housed in a body which, in addition to balancing, also acts as an effective sound barrier and vibration damping element.
  • machine 1 may be of a size and shape other than those indicated, and may be connected to parts of balance weight 9 and in locations other than those described by way of example.
  • machine 1 may comprise a frame and a movable arm other than those indicated, and the relative locations of the engine, cab, and movable arm may differ from those described and illustrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Jib Cranes (AREA)
  • Earth Drilling (AREA)
EP02080538A 2002-01-11 2002-12-20 Ausgleichsgewicht für eine Baumaschine Expired - Lifetime EP1327722B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002TO000036A ITTO20020036A1 (it) 2002-01-11 2002-01-11 Macchina operatrice, in particolare per movimento terra.
ITTO20020036 2002-01-11

Publications (2)

Publication Number Publication Date
EP1327722A1 true EP1327722A1 (de) 2003-07-16
EP1327722B1 EP1327722B1 (de) 2011-11-30

Family

ID=11459375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02080538A Expired - Lifetime EP1327722B1 (de) 2002-01-11 2002-12-20 Ausgleichsgewicht für eine Baumaschine

Country Status (3)

Country Link
EP (1) EP1327722B1 (de)
AT (1) ATE535652T1 (de)
IT (1) ITTO20020036A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2233714A1 (de) * 2008-01-08 2010-09-29 Hitachi Construction Machinery Co., Ltd MONTAGESTRUKTUR FÜR NOx-REDUKTIONSVORRICHTUNG FÜR EINE BAUMASCHINE
EP2243651A1 (de) * 2008-02-07 2010-10-27 Hitachi Construction Machinery Co., Ltd Struktur zur anordnung einer nox reduzierenden vorrichtung einer baumaschine
JP2015059330A (ja) * 2013-09-18 2015-03-30 キャタピラー エス エー アール エル 作業機械におけるカウンタウエイト装置
JP2017166162A (ja) * 2016-03-15 2017-09-21 日立建機株式会社 建設機械
EP2679730A4 (de) * 2011-02-25 2018-04-04 Hitachi Construction Machinery Co., Ltd. Baumaschine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839522A (ja) * 1981-09-03 1983-03-08 Nissan Motor Co Ltd フオ−クリフトの頭上排気マフラの取付け構造
JPH07277690A (ja) * 1994-04-05 1995-10-24 Nissan Motor Co Ltd フォークリフトのカウンターウェイトの排気構造
JPH09209401A (ja) * 1996-02-07 1997-08-12 Hitachi Constr Mach Co Ltd 全旋回式作業機
JPH11139171A (ja) * 1997-11-10 1999-05-25 Toyota Autom Loom Works Ltd フォークリフトトラックのラジエータ冷却装置
JP2000080676A (ja) * 1998-09-04 2000-03-21 Hitachi Constr Mach Co Ltd 建設機械
JP2000080679A (ja) * 1998-09-04 2000-03-21 Hitachi Constr Mach Co Ltd 建設機械
JP2001311180A (ja) * 2000-05-01 2001-11-09 Seirei Ind Co Ltd 旋回作業車
JP2002070077A (ja) * 2000-09-04 2002-03-08 Shin Caterpillar Mitsubishi Ltd 建設機械のカウンタウエイト内蔵の排気消音装置
JP2003041627A (ja) * 2001-07-31 2003-02-13 Shin Caterpillar Mitsubishi Ltd 建設機械のカウンタウエイト内蔵の排ガス低減装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839522A (ja) * 1981-09-03 1983-03-08 Nissan Motor Co Ltd フオ−クリフトの頭上排気マフラの取付け構造
JPH07277690A (ja) * 1994-04-05 1995-10-24 Nissan Motor Co Ltd フォークリフトのカウンターウェイトの排気構造
JPH09209401A (ja) * 1996-02-07 1997-08-12 Hitachi Constr Mach Co Ltd 全旋回式作業機
JPH11139171A (ja) * 1997-11-10 1999-05-25 Toyota Autom Loom Works Ltd フォークリフトトラックのラジエータ冷却装置
JP2000080676A (ja) * 1998-09-04 2000-03-21 Hitachi Constr Mach Co Ltd 建設機械
JP2000080679A (ja) * 1998-09-04 2000-03-21 Hitachi Constr Mach Co Ltd 建設機械
JP2001311180A (ja) * 2000-05-01 2001-11-09 Seirei Ind Co Ltd 旋回作業車
JP2002070077A (ja) * 2000-09-04 2002-03-08 Shin Caterpillar Mitsubishi Ltd 建設機械のカウンタウエイト内蔵の排気消音装置
JP2003041627A (ja) * 2001-07-31 2003-02-13 Shin Caterpillar Mitsubishi Ltd 建設機械のカウンタウエイト内蔵の排ガス低減装置

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 120 (M - 217) 25 May 1983 (1983-05-25) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 02 29 February 1996 (1996-02-29) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 12 25 December 1997 (1997-12-25) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 10 31 August 1999 (1999-08-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 06 22 September 2000 (2000-09-22) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 03 3 April 2002 (2002-04-03) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 07 3 July 2002 (2002-07-03) *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2233714A1 (de) * 2008-01-08 2010-09-29 Hitachi Construction Machinery Co., Ltd MONTAGESTRUKTUR FÜR NOx-REDUKTIONSVORRICHTUNG FÜR EINE BAUMASCHINE
EP2233714A4 (de) * 2008-01-08 2012-11-28 Hitachi Construction Machinery MONTAGESTRUKTUR FÜR NOx-REDUKTIONSVORRICHTUNG FÜR EINE BAUMASCHINE
US8459014B2 (en) 2008-01-08 2013-06-11 Hitachi Construction Machinery Co., Ltd. Mounting structure for NOx reduction device for construction machine
KR101453133B1 (ko) * 2008-01-08 2014-10-27 히다찌 겐끼 가부시키가이샤 건설 기계의 ＮＯｘ 저감 장치의 배치 구조
EP2243651A1 (de) * 2008-02-07 2010-10-27 Hitachi Construction Machinery Co., Ltd Struktur zur anordnung einer nox reduzierenden vorrichtung einer baumaschine
EP2243651A4 (de) * 2008-02-07 2011-10-19 Hitachi Construction Machinery Struktur zur anordnung einer nox reduzierenden vorrichtung einer baumaschine
EP2679730A4 (de) * 2011-02-25 2018-04-04 Hitachi Construction Machinery Co., Ltd. Baumaschine
JP2015059330A (ja) * 2013-09-18 2015-03-30 キャタピラー エス エー アール エル 作業機械におけるカウンタウエイト装置
JP2017166162A (ja) * 2016-03-15 2017-09-21 日立建機株式会社 建設機械

Also Published As

Publication number Publication date
ATE535652T1 (de) 2011-12-15
EP1327722B1 (de) 2011-11-30
ITTO20020036A1 (it) 2003-07-11
ITTO20020036A0 (it) 2002-01-11

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