WO2018173914A1 - ホイールローダ及びカウンタウェイトの取付位置変更方法 - Google Patents

ホイールローダ及びカウンタウェイトの取付位置変更方法 Download PDF

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Publication number
WO2018173914A1
WO2018173914A1 PCT/JP2018/010172 JP2018010172W WO2018173914A1 WO 2018173914 A1 WO2018173914 A1 WO 2018173914A1 JP 2018010172 W JP2018010172 W JP 2018010172W WO 2018173914 A1 WO2018173914 A1 WO 2018173914A1
Authority
WO
WIPO (PCT)
Prior art keywords
counterweight
body frame
mounting
mounting hole
width direction
Prior art date
Application number
PCT/JP2018/010172
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
正英 榊原
亨 内藤
遼平 菊澤
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to EP18771061.1A priority Critical patent/EP3546661B1/de
Priority to JP2019507610A priority patent/JP7133542B2/ja
Publication of WO2018173914A1 publication Critical patent/WO2018173914A1/ja

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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 method for changing a mounting position of a wheel loader and a counterweight.
  • a counterweight as a balance weight is attached to the rear end portion of the vehicle body frame (see, for example, Patent Document 1).
  • the present invention has been made in view of the above situation, and an object thereof is to provide a wheel loader and a counter weight mounting position changing method capable of changing the mounting position of the counter weight.
  • the wheel loader includes a vehicle body frame, a right counterweight that is detachably attached to the vehicle body frame, and a left counterweight that is detachably attached to the vehicle body frame.
  • the vehicle body frame has a first right counter weight mounting hole for mounting a right counter weight, a second right counter weight mounting hole for mounting a right counter weight, and a first left counter weight for mounting a left counter weight. And a second left counterweight mounting hole for mounting the left counterweight.
  • Wheel loader side view Rear view of wheel loader Rear view of wheel loader (front view of counterweight)
  • Wheel loader top view Rear view of wheel loader (front view of counterweight)
  • Wheel loader top view AA sectional view of FIG. 3A
  • BB sectional view of FIG. 4A Rear view of wheel loader according to another embodiment
  • Drawing 1 is a side view showing wheel loader 1 concerning an embodiment.
  • “right”, “left”, “front”, “rear”, “upper”, and “lower” are terms based on an operator who operates the wheel loader 1.
  • the “vehicle width direction” is synonymous with the “left-right direction”.
  • the wheel loader 1 is used for transporting excavated earth and sand and loading it on a truck or the like.
  • the wheel loader 1 includes a front frame 2, a rear frame 3, and a steering cylinder 4.
  • the front frame 2 and the rear frame 3 constitute a body frame 10 of the wheel loader 1.
  • the front frame 2 is connected to the rear frame 3 via pins (not shown). By extending and retracting the steering cylinder 4, the front frame 2 can swing within a predetermined articulate angle range with respect to the rear frame 3.
  • the rear frame 3 is disposed behind the front frame 2.
  • a cab 31 is disposed on the rear frame 3.
  • the rear frame 3 supports an engine, a transmission, a hydraulic pump, and the like (not shown).
  • the driving force of the engine is transmitted to the front wheels 20 and the rear wheels 30 via a driving force transmission path (not shown).
  • the right counterweight 32 and the left counterweight 33 are detachably attached to the rear end portion of the rear frame 3. However, only the left counterweight 33 is shown in FIG.
  • FIG. 3A is a rear view of the wheel loader 1 with the right counterweight 32 attached to the first right position and the left counterweight 33 attached to the first left position.
  • FIG. 3A is a front view of the counterweight.
  • FIG. 3B is a top view of the right counterweight 32 attached to the first right position and the left counterweight 33 attached to the first left position.
  • FIG. 4A is a rear view of the wheel loader 1 with the right counterweight 32 attached to the second right position and the left counterweight 33 attached to the second left position.
  • FIG. 4A is a front view of the counterweight.
  • FIG. 4B is a top view of the right counterweight 32 attached to the second right position and the left counterweight 33 attached to the second left position.
  • the vehicle body frame 10 includes a rear plate 11, a right side plate 12, and a left side plate 13.
  • the rear plate 11, the right side plate 12, and the left side plate 13 are each formed in a plate shape.
  • the rear plate 11 is erected along the vehicle width direction.
  • the rear plate 11 extends in the vehicle width direction and the vertical direction.
  • the counterweights 32 and 33 are in contact with the rear plate 11.
  • the right side plate 12 and the left side plate 13 are erected along the front-rear direction.
  • the right side plate 12 and the left side plate 13 extend in the front-rear direction and the vertical direction, respectively.
  • Each first right counterweight mounting hole 32a is used to mount the right counterweight 32 at the first right position, as shown in FIGS. 3A and 3B.
  • the first right position is located to the right of the center line CL indicating the center of the body frame 10 in the vehicle width direction.
  • Each second right counterweight mounting hole 32b is used to mount the right counterweight 32 at the second right position, as shown in FIGS. 4A and 4B.
  • the second right position is located to the right of the center line CL.
  • the second right position is offset from the first right position inward in the vehicle width direction. Accordingly, as shown in FIG.
  • each second right counterweight mounting hole 32b is positioned inside each first right counterweight mounting hole 32a in the vehicle width direction.
  • each second right counterweight mounting hole 32b is formed at a position translated from the first right counterweight mounting hole 32a inward in the vehicle width direction.
  • the distance between each first right counterweight mounting hole 32a and each second right counterweight mounting hole 32b is not particularly limited.
  • the right counterweight 32 has three right bolt insertion holes 32c. Each fastening bolt 32d is inserted through each right bolt insertion hole 32c.
  • the right counterweight 32 is fixed to the vehicle body frame 10 by fastening each fastening bolt 32d to each first right counterweight attachment hole 32a or each second right counterweight attachment hole 32b.
  • the left counterweight 33 is formed with three left bolt insertion holes 33c. Each fastening bolt 33d is inserted through each left bolt insertion hole 33c.
  • the left counterweight 33 is fixed to the vehicle body frame 10 by fastening each fastening bolt 33d to each first left counterweight attachment hole 33a or each second left counterweight attachment hole 33b.
  • a left rear lamp 35 is attached to the left counterweight 33.
  • the left rear lamp 35 is attached to the rear surface of the left counterweight 33. As shown in FIGS. 3A and 4A, the left rear lamp 35 is located inside the outer edge of the left counterweight 33 when the left counterweight 33 is viewed from the front. Therefore, the left rear lamp 35 does not protrude outside the left counterweight 33.
  • a tail lamp, a blinker, a back lamp, and a brake lamp can be installed in each of the right rear lamp 34 and the left rear lamp 35.
  • a common lamp may be used for the tail lamp and the brake lamp.
  • the right outer edge of the right rear lamp 34 from the right outermost side of the vehicle body is preferably 400 mm or less
  • the distance W2 in the vehicle width direction from the left outermost side of the vehicle body to the left outer edge of the left rear lamp 35 is preferably 400 mm or less.
  • the distance W3 in the vehicle width direction from the right outermost side of the vehicle body to the right outer edge of the right rear lamp 34 is larger than the distance W1.
  • the interval W3 may be 400 mm or less, or may be more than 400 mm.
  • the distance W4 in the vehicle width direction from the left outermost side of the vehicle body to the left outer edge of the left rear lamp 35 is greater than the distance W2. Is also big.
  • the interval W2 may be 400 mm or less, or may be more than 400 mm.
  • the right outermost side of the vehicle body may be the right edge of the bucket, and similarly, the left outermost side of the vehicle body may be the left edge of the bucket.
  • the right harness 36 is electrically connected to the right rear lamp 34.
  • the right harness 36 is inserted into the right counterweight 32 and pulled out to the front of the right counterweight 32. Further, the right harness 36 is inserted into the right harness insertion hole 12 a formed in the right side plate 12.
  • the counterweights 32 and 33 are removed from the vehicle body frame 10 by removing the fastening bolts 32d and the fastening bolts 33d.
  • the right counterweight 32 is attached to the second right position
  • the left counterweight 33 is attached to the second left position.
  • the vehicle body frame 10 is offset to the inner side in the vehicle width direction from the first right position, the first right counter weight mounting hole 32a for mounting the right counter weight 32 at the first right position to the right of the center line CL.
  • the right harness insertion hole 12a can be commonly used for handling the right harness 36.
  • This effect can be similarly obtained by forming a left harness insertion hole in the left side plate 13 through which the left harness is inserted.
  • the right rear lamp 34 is located inside the outer edge of the right counterweight 32 when the right counterweight 32 is viewed from the front.
  • This effect can also be obtained in the same manner when the left rear lamp 35 is positioned inside the outer edge of the left counterweight 33.
  • the rear plate 11 has a first right counterweight mounting hole 32a, a second right counterweight mounting hole 32b, a first left counterweight mounting hole 33a, and a second left counterweight mounting hole 33b.
  • first right counterweight mounting hole 32a a first right counterweight mounting hole 32a
  • second right counterweight mounting hole 32b a first left counterweight mounting hole 33a
  • second left counterweight mounting hole 33b a second left counterweight mounting hole 33b.
  • the present invention is not limited to this.
  • the number of each mounting hole is not particularly limited, and the number may be different for each mounting hole.
  • each counterweight is preferably attached by at least two or more attachment holes.
  • each of the counterweights 32 and 33 has one type of bolt insertion hole
  • the rear plate 11 of the rear frame 3 has two types of left and right mounting holes. It is not a thing.
  • the rear plate 11 may have one type of left and right mounting holes
  • each counterweight 32 and 33 may have two types of bolt insertion holes.
  • the rear plate 11 has three right counterweight mounting holes 32e and three left counterweight mounting holes 33e.
  • the right counterweight 32 has three first right bolt insertion holes 32f and three second right bolt insertion holes 32g. Each first right bolt insertion hole 32f is used when the right counterweight 32 is attached to the first right position (see FIG. 3), and each second right bolt insertion hole 32g places the right counterweight 32 in the second right position. Used when attached to (see FIG. 4).
  • the left counterweight 33 has three first left bolt insertion holes 33f and three second left bolt insertion holes 33g. Each first left bolt insertion hole 33f is used when the left counterweight 33 is attached to the first left position (see FIG. 3), and each second left bolt insertion hole 33g has the left counterweight 33 placed at the second left position. Used when attached to (see FIG. 4).
  • each counterweight 32, 33 has two types of bolt insertion holes, the scene in which the wheel loader 1 is used. Accordingly, the mounting positions of the counterweights 32 and 33 can be changed.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
PCT/JP2018/010172 2017-03-24 2018-03-15 ホイールローダ及びカウンタウェイトの取付位置変更方法 WO2018173914A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18771061.1A EP3546661B1 (de) 2017-03-24 2018-03-15 Radlader
JP2019507610A JP7133542B2 (ja) 2017-03-24 2018-03-15 ホイールローダ及びカウンタウェイトの取付位置変更方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-058482 2017-03-24
JP2017058482 2017-03-24

Publications (1)

Publication Number Publication Date
WO2018173914A1 true WO2018173914A1 (ja) 2018-09-27

Family

ID=63586363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/010172 WO2018173914A1 (ja) 2017-03-24 2018-03-15 ホイールローダ及びカウンタウェイトの取付位置変更方法

Country Status (3)

Country Link
EP (1) EP3546661B1 (de)
JP (1) JP7133542B2 (de)
WO (1) WO2018173914A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59180969U (ja) * 1983-05-20 1984-12-03 ヤンマー農機株式会社 農用トラクタ−のリヤウエイト取付装置
JPH02103885U (de) * 1989-02-06 1990-08-17
JPH0419244A (ja) * 1990-05-11 1992-01-23 Toyota Autom Loom Works Ltd フォークリフトトラックのリアランプ取付け構造
JP2004291694A (ja) 2003-03-25 2004-10-21 Kubota Corp ホイールローダ
US20120153605A1 (en) * 2010-12-20 2012-06-21 Caterpillar Inc. Counterweight system
JP2017166158A (ja) * 2016-03-14 2017-09-21 株式会社Kcm 建設機械

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62190755U (de) * 1986-05-20 1987-12-04
JP3176042B2 (ja) * 1997-10-06 2001-06-11 ティー・シー・エム株式会社 カウンタウエイト
US8430427B1 (en) * 2011-06-06 2013-04-30 Excel Industries, Inc. Counterweight apparatus for vehicles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59180969U (ja) * 1983-05-20 1984-12-03 ヤンマー農機株式会社 農用トラクタ−のリヤウエイト取付装置
JPH02103885U (de) * 1989-02-06 1990-08-17
JPH0419244A (ja) * 1990-05-11 1992-01-23 Toyota Autom Loom Works Ltd フォークリフトトラックのリアランプ取付け構造
JP2004291694A (ja) 2003-03-25 2004-10-21 Kubota Corp ホイールローダ
US20120153605A1 (en) * 2010-12-20 2012-06-21 Caterpillar Inc. Counterweight system
JP2017166158A (ja) * 2016-03-14 2017-09-21 株式会社Kcm 建設機械

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3546661A4

Also Published As

Publication number Publication date
EP3546661A1 (de) 2019-10-02
JPWO2018173914A1 (ja) 2020-01-23
EP3546661B1 (de) 2023-07-19
JP7133542B2 (ja) 2022-09-08
EP3546661A4 (de) 2020-06-10

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