JPS5854456U - Boom for hydraulic excavator - Google Patents

Boom for hydraulic excavator

Info

Publication number
JPS5854456U
JPS5854456U JP15067281U JP15067281U JPS5854456U JP S5854456 U JPS5854456 U JP S5854456U JP 15067281 U JP15067281 U JP 15067281U JP 15067281 U JP15067281 U JP 15067281U JP S5854456 U JPS5854456 U JP S5854456U
Authority
JP
Japan
Prior art keywords
hollow block
boom
partition wall
hollow
block
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
JP15067281U
Other languages
Japanese (ja)
Other versions
JPS6111329Y2 (en
Inventor
岡部 信也
水島 宏
和久 波多野
務 佐藤
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP15067281U priority Critical patent/JPS5854456U/en
Publication of JPS5854456U publication Critical patent/JPS5854456U/en
Application granted granted Critical
Publication of JPS6111329Y2 publication Critical patent/JPS6111329Y2/ja
Granted legal-status Critical Current

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Landscapes

  • Body Structure For Vehicles (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は油圧ショベルの全体構成を示す側面図、第2図
は従来技術によるブームの正面図、第3図乃至第7図は
第2図に示すブームの製造工程を示し、第3図は下ウェ
ブを取付ける以前の状態図、第4図は電3図のIV−I
V矢示方向断面図、第5図は下ウェブを敢付けた後の状
態図、第6図は第5図の■−Vl矢示方向断面図、第7
図は当て板を取付けた後の状態図、第8乃至第11図は
本考案に係る油圧ショベル用ブームの第1の実施例を示
し、第8図は第1、第2、第3の中空状ブロックを個別
に示す正面図、第9図は第8図のIX−IX矢示方向断
面図、第10図は同じく第8図のX二X矢示方向断面図
、第11図は各中空状ブロックの組立    □て状態
を示す正面図、第12図は本考案の第2の実施例を示す
第8図と同様の正面図である。 31、 32. 33・・・・・・第1、第2、第3の
中空 □状ブロック、34,35,39,40,47゜
48・・・・・・フランジ、36,37,41,42゜
49.50・・・・・・ウェブ、38・・・・・・ブー
ムフート部、43・・・・・・ブームシリンダ取付部、
45. 46゜61・・・・・・隔壁、51・・・・・
・アーム取付部、A−N・・・・・・溶接位置。
Fig. 1 is a side view showing the overall configuration of a hydraulic excavator, Fig. 2 is a front view of a boom according to the prior art, Figs. 3 to 7 show the manufacturing process of the boom shown in Fig. 2, and Fig. 3 is a The state diagram before installing the lower web, Figure 4 is IV-I of electrical diagram 3.
5 is a sectional view in the direction of the V arrow, FIG. 5 is a state diagram after the lower web is attached, FIG. 6 is a sectional view in the direction of the ■-Vl arrow in FIG.
The figure shows the state after the cover plate is attached, Figures 8 to 11 show the first embodiment of the hydraulic excavator boom according to the present invention, and Figure 8 shows the first, second, and third hollow parts. 9 is a sectional view in the direction of the IX-IX arrow in FIG. 8, FIG. 10 is a sectional view in the direction of the X2X arrow in FIG. FIG. 12 is a front view similar to FIG. 8 showing the second embodiment of the present invention. 31, 32. 33...First, second, and third hollow □-shaped blocks, 34, 35, 39, 40, 47° 48... Flange, 36, 37, 41, 42° 49. 50...Web, 38...Boom foot part, 43...Boom cylinder mounting part,
45. 46゜61... Bulkhead, 51...
・Arm mounting part, A-N...Welding position.

Claims (1)

【実用新案登録請求の範囲】 (1)上下フランジおよび左、右ウェブによって3個の
中空状ブロックを形成し、第1の中空状ブロックにはブ
ームフート部を設け、第2の中空状ブロックにはブーム
シリング取付部を設け、第3の中空状ブロックにはアー
ム取付部を設け、前記第2の中空状ブロックには−また
は複数の隔壁を設け、該隔壁は前記第2の中空状ブロー
ツク内で全周溶接することにより該第2の中空状ブロッ
クに固−し、かつ前記各中空状ブロックを溶接すること
により一体的に接合してなる油圧ショベル用ブーム−0 (2)前記第2の中空状ブロックに設けられる隔壁−は
ブームシリング取付部を挾んで位置するーの隔壁と他の
隔壁とにより構成してなる実用新案登録請求の範囲第(
1)項記載の油圧ショベル用ブ(3)前記第2の中空状
ブロックに設けられる隔壁は第3の中空状ブロック側に
位置するーの隔壁により構成し、第1の中空状ブロック
には他の隔壁を設けてなる実用新案登録請求の範囲(1
)項記載の油圧ショベル用ブーム。 (4)  前記隔壁は第2の中空状ブロックを構成する
上、下フランジ、左、右ウェブ内面に対して全周溶接す
ることにより固着してなる実用新案登録請求の範囲(1
)項記載の油圧ショベル用ブーム。
[Claims for Utility Model Registration] (1) Three hollow blocks are formed by the upper and lower flanges and the left and right webs, the first hollow block is provided with a boom foot portion, and the second hollow block is provided with a boom foot portion. a boom sill attachment, a third hollow block has an arm attachment, and the second hollow block has - or more bulkheads within the second hollow block; Hydraulic excavator boom-0 which is fixed to the second hollow block by welding the entire circumference and integrally joined by welding each of the hollow blocks. (2) The second hollow block The partition wall provided on the shaped block is constituted by the partition wall located between the boom sill mounting part and another partition wall.
(3) The partition wall provided in the second hollow block is constituted by the partition wall located on the third hollow block side, and the first hollow block has other partition walls. Scope of claim for utility model registration (1)
Boom for hydraulic excavators as described in ). (4) Utility model registration claim (1) in which the partition wall is fixed by welding the entire circumference to the inner surfaces of the upper and lower flanges and the left and right webs constituting the second hollow block.
Boom for hydraulic excavators as described in ).
JP15067281U 1981-10-09 1981-10-09 Boom for hydraulic excavator Granted JPS5854456U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15067281U JPS5854456U (en) 1981-10-09 1981-10-09 Boom for hydraulic excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15067281U JPS5854456U (en) 1981-10-09 1981-10-09 Boom for hydraulic excavator

Publications (2)

Publication Number Publication Date
JPS5854456U true JPS5854456U (en) 1983-04-13
JPS6111329Y2 JPS6111329Y2 (en) 1986-04-10

Family

ID=29943388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15067281U Granted JPS5854456U (en) 1981-10-09 1981-10-09 Boom for hydraulic excavator

Country Status (1)

Country Link
JP (1) JPS5854456U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006188858A (en) * 2005-01-05 2006-07-20 Kubota Corp Boom
EP2700752A1 (en) * 2011-04-20 2014-02-26 Hitachi Construction Machinery Co., Ltd. Boom for construction machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6910803B2 (en) * 2017-01-17 2021-07-28 住友重機械工業株式会社 Excavator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331539A (en) * 1976-09-06 1978-03-24 Hitachi Construction Machinery Method of producing hydraulicallyyoperated shovel arms
JPS54158410U (en) * 1978-04-27 1979-11-05
JPS54158409U (en) * 1978-04-27 1979-11-05

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331539A (en) * 1976-09-06 1978-03-24 Hitachi Construction Machinery Method of producing hydraulicallyyoperated shovel arms
JPS54158410U (en) * 1978-04-27 1979-11-05
JPS54158409U (en) * 1978-04-27 1979-11-05

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006188858A (en) * 2005-01-05 2006-07-20 Kubota Corp Boom
JP4641800B2 (en) * 2005-01-05 2011-03-02 株式会社クボタ boom
EP2700752A1 (en) * 2011-04-20 2014-02-26 Hitachi Construction Machinery Co., Ltd. Boom for construction machine
EP2700752A4 (en) * 2011-04-20 2014-12-31 Hitachi Construction Machinery Boom for construction machine

Also Published As

Publication number Publication date
JPS6111329Y2 (en) 1986-04-10

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