JPS5991235A - Supporter for blade - Google Patents

Supporter for blade

Info

Publication number
JPS5991235A
JPS5991235A JP20027582A JP20027582A JPS5991235A JP S5991235 A JPS5991235 A JP S5991235A JP 20027582 A JP20027582 A JP 20027582A JP 20027582 A JP20027582 A JP 20027582A JP S5991235 A JPS5991235 A JP S5991235A
Authority
JP
Japan
Prior art keywords
blade
hydraulic cylinder
welded
play
bracket
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.)
Pending
Application number
JP20027582A
Other languages
Japanese (ja)
Inventor
Shiro Suzuki
鈴木　司朗
Satoru Ikeda
哲 池田
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP20027582A priority Critical patent/JPS5991235A/en
Publication of JPS5991235A publication Critical patent/JPS5991235A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/815—Blades; Levelling or scarifying tools
    • E02F3/8157—Shock absorbers; Supports, e.g. skids, rollers; Devices for compensating wear-and-tear, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

PURPOSE:To allow a great cylindrical force by a method in which blades are supported by four brackets so that they are stabilized even when burdened with biased loads, and the blades are operated by two cylinders. CONSTITUTION:Angling action to produce difference in the front and back directions at the left and right-handed ends of a blade 8 is obtained by extending one of oil-pressure cylinders 11 and 11' and by pulling into the other. Also, tilting action to produce differences in the vertical direction at the left and right- handed ends of the blade 8 is obtained by extending one of oil-pressure cylinders 12 and 12' and by pulling in the other. The vertical moving action of the blade 8 is also obtained by extending or pulling in oil-pressure cylinders 13 and 13' concurrently. Since the blade 8 is supported at four points of the brackets 9, 9', 10, and 10', the blade 8 is stabilized even when burdened with biased loads, and great cylindrical force can be generated by two oil-pressure cylinders 12 and 12'.

Description

【発明の詳細な説明】 本発明はプルＶ−ザなどの排土プレーＶに用いる支持装
置の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a support device used in an earth removal play V such as a pull V-za.

従来のプレーＶ支持装置は第１図に示すように支持フレ
ーム（σ）ＶＣ対して、プレーＹ　（Ａｌと連結する自
在球接手（力と、プレー１″（Ａ）の左右に溶着したブ
ラケット０１　Ｃｊ′）と側部材（Ａ）（Ａ’）ＶＣ溶
着したブラケット（Ｃ）（〆）との間をそれぞれ連結す
る油圧シリンダ（ｋ）（ｋ’）／Ｃより、プレーＶ面に
於て三角形の三点取付は部を設け、左右の油圧シリンダ
（＆）（ｋ′）を互に逆方向へ伸縮させることによりア
ンダリング作動を行なう。As shown in Fig. 1, the conventional play V support device has a support frame (σ) VC, a flexible ball joint (force) connected to the play Y (Al), and a bracket 01 welded to the left and right sides of the play 1'' (A). From the hydraulic cylinders (k) (k')/C that connect Cj') and the side members (A) (A') and the VC welded brackets (C) (end), a triangular shape is formed on the play V plane. The three-point attachment is provided with sections, and the underling operation is performed by extending and contracting the left and right hydraulic cylinders (&) (k') in opposite directions.

また、支持フレーム（σ）の枢着部の垂直軸上に溶着し
たブラケット（−）に油圧シリンダ（初を設け、プレー
Ｙ　（Ａｌの安定状態を保つとともに油圧シリンダ圀を
伸縮させることにより、チルチング作動を行なう。In addition, a hydraulic cylinder is installed on the bracket (-) welded on the vertical axis of the pivoting part of the support frame (σ), and tilting is achieved by maintaining the stable state of play Y (Al and expanding and contracting the hydraulic cylinder area). Perform the operation.

前記の従来機構に於ては、油圧シリンダ（ｌりの伸縮に
よりプレーｙ（Ａ）のチルチング作動を行なう場合に、
油圧シリンｆ（１）のシリンダ側とロッＶ側との油圧作
用面積が異なるためにプレーｙ（Ａ）の左右の傾き力が
異なる。またロツＶ　（ｉｌｌｌに所要の傾き力を得る
場合は比較的大きい油圧シリンダを必要とする。In the conventional mechanism described above, when performing the tilting operation of play y (A) by expanding and contracting the hydraulic cylinder (1),
Since the hydraulic action areas of the cylinder side and the rod V side of the hydraulic cylinder f(1) are different, the left and right tilting forces of the play y(A) are different. Furthermore, in order to obtain the necessary tilting force for the rotor V illumination, a relatively large hydraulic cylinder is required.

プレーｒ（Ａ）の前後方向の姿勢は、ブラケットの三点
（ｉ）（、＋ｌ（〕ｌで保持されているが、左右均等に
保持されないで、ブレード（Ａ）に偏負荷が作用した場
合などは、常に油圧シリンダ（＆）側に高負荷が作用し
ビン部などに異常摩耗や異常応力が発生する。The forward and backward posture of the blade r (A) is held by the three points (i) (, +l ()l) of the bracket, but if it is not held evenly on the left and right and an uneven load is applied to the blade (A). etc., a high load is always applied to the hydraulic cylinder (&) side, causing abnormal wear and abnormal stress on the bottle section, etc.

また、左右の油圧シリンダ（＆）（ｉつに故障が生じた
場合にブレード（Ａ）の前後方向の姿勢の維持が不可能
になり、危険な状態となる。Further, if a failure occurs in the left and right hydraulic cylinders (&) (i), it becomes impossible to maintain the posture of the blade (A) in the longitudinal direction, resulting in a dangerous situation.

本発明の目的は、アングリング作動及びチルチング作動
を精度良（且つ効率良く行ないうる構造簡単なブレード
支持装置を提供することである。An object of the present invention is to provide a blade support device with a simple structure that can perform angle operations and tilting operations with high precision (and efficiency).

この目的を達成するために、本発明によって開発された
新規のブレード支持装置の特徴は、第２図に示すように
、支持フレーム（１）の枢着部の垂直軸上に溶着したブ
ラケット（５）に相互に溶着した油圧シリンダ（１２）
（１２’）の中心部を揺動自在に連結し、前記油圧シリ
ンダ（１２）（１２つのロンド側を、ブレード（８）の
左右に溶着したブラケット（９）（９′）に連結したこ
とと、プレー）″（８）を自在接手（６）と、その垂直
軸に対して左右対称な前記ブラケット（９］（９’）　
と油圧シリンダ（１１）（１１つを連結しているブラケ
ット（１ｏ）（１ｏ’）とで支持したことである。その
効果としては、プレーｒ（８）の安定した前後方向の姿
勢保持ができること、安定したブレード作業ができるこ
と、及び左右の傾き力を等しくできることなどがあげら
れる。To achieve this objective, the novel blade support device developed by the present invention is characterized by a bracket (5) welded on the vertical axis of the pivot of the support frame (1), as shown in Figure ) Hydraulic cylinders (12) welded to each other
(12') are swingably connected, and the hydraulic cylinder (12) (12 rond sides are connected to brackets (9) (9') welded to the left and right sides of the blade (8). , play)'' (8) with the universal joint (6) and said bracket (9] (9') symmetrical about its vertical axis.
and the hydraulic cylinders (11) (brackets (1o) (1o') that connect them.The effect is that the posture of the play r (8) in the front and back direction can be maintained stably. , the ability to perform stable blade operations, and the ability to equalize left and right tilting forces.

第２図に示された本発明の一実施例に於ては、前後左右
に揺動可能な自在接手（６１Ｖｃよってブレード（８）
を支持フレーム（１）に取付け、側部材＋２１（２’）
Ｋそれぞれ溶着したブラケット（３１（３’）と、プレ
ーｒｔｓ＋の背面にそれぞれ溶着したブラケット（ＩＩ
（１０つとを、油圧シリンダ（１１，１１’）を介して
ビン（１４）（１４’）及びビン（１５）（１５’）　
Ｋよって連結している。In one embodiment of the present invention shown in FIG.
Attach to the support frame (1) and attach the side member +21 (2')
The bracket (31 (3')) welded to each K, and the bracket (II
(10) via hydraulic cylinders (11, 11') to bins (14) (14') and bins (15) (15').
They are connected by K.

また支持フレーム（１）の枢着部の垂直軸上に垂直構成
物（４）を介してブラケット（５）を溶着し、相互に溶
着した油圧シリンダ（１２Ｘ１２’）を、中心部で揺動
可能にビンＱ７）によって前記ブラケット（５）に連結
し、油圧シリンダ（１２）（１２’）のロンド側をブレ
ード（８）の背面にそれぞれ溶着したブラケット（９）
（９′）にビン（１６）（１６勺により連結している。In addition, a bracket (5) is welded to the vertical axis of the pivot joint of the support frame (1) via a vertical structure (4), and the mutually welded hydraulic cylinders (12 x 12') can be swung in the center. A bracket (9) is connected to the bracket (5) by a pin Q7), and the rond sides of the hydraulic cylinders (12) (12') are respectively welded to the back surface of the blade (8).
(9') is connected by a bottle (16).

ブレード（８）は、支持フレーム（１）の枢着部（自在
接手部）（６）と、前記枢着部の垂直軸に対して左右対
称な四角形で構成したブラケット部（９）（９’）（１
０）（１０勺の４点とで支持している。The blade (8) includes a pivoting part (universal joint part) (6) of the support frame (1), and a bracket part (9) (9' )(1
0) (I support it with 4 points out of 10).

側部材（２＋（２／）　ＶＣ溶着したブラケット（３）
（３′）ｋ油圧シ１１ンダ（１３）（１３つをビン（１
８）（１８’）Ｋよって連結し、油圧シリンダ（１３）
（１３’）のシリンダ側は図示しない車体に連結してい
る。また側部＋２１　（２’）　ｋ溶着した一ポット（
７１（７’）Ｉｔま図示しない車体に連結している。Side member (2+(2/) VC welded bracket (3)
(3') k Hydraulic cylinder 11 cylinder (13) (13 cylinders (13 cylinders)
8) (18') Connected by K, hydraulic cylinder (13)
The cylinder side of (13') is connected to the vehicle body (not shown). Also, the side + 21 (2') k welded one pot (
71 (7') It is connected to a vehicle body (not shown).

前記ブレード支持装置は次のように作動する。The blade support device operates as follows.

（１１アングリング作動 第３図乃至第５図に於て、制御弁（至）の切換えにより
圧油を供給して油圧シリンダαυを伸長し、油圧シリン
ダ（１１つを引き込むと、プレーｙ（８）は第３図の実
線で示すように自在接手（６）を中心に右回転する。逆
に油圧シリンダａυを引き込み、油圧シリンダ（１１す
を伸長するとプレーｒ（８）は第３図の二点鎖線で示す
ように自在接手（６）を中心に左回転する。すなわちブ
レード（８）の左右端の前後方向の差を生ずるアングリ
ング作動が行なわれる。(11 Angling operation In Figures 3 to 5, when the hydraulic cylinder αυ is extended by supplying pressure oil by switching the control valves (to) and the hydraulic cylinders (11) are retracted, the play y (8 ) rotates clockwise around the universal joint (6) as shown by the solid line in Figure 3. Conversely, when the hydraulic cylinder aυ is retracted and the hydraulic cylinder (11) is extended, the play r (8) rotates to the second position in Figure 3. As shown by the dotted chain line, the blade (8) rotates counterclockwise around the universal joint (6). That is, an angle action is performed that creates a difference in the front and rear directions of the left and right ends of the blade (8).

（２）チルチンメ作動 制御弁３１の切換えたより、圧油を供給して、油圧シリ
ンダ（１３を引き込み、油圧シリンダ（１２’）を伸長
すると、プレーｒ（８）に第４図の実線に示すように自
在接手（６）を中心に右回転する。逆に油圧シリンダａ
３を伸長し、油圧シリンダ（１２’）を引き込むとブレ
ード（８）は第４図の二点鎖線に示すように自在接手（
６）を中心に左回転する。すなわちブレード（８）の左
右端の高さ方向の差を生ずるチルチンダ作動が行なわれ
る。(2) When the tilting operation control valve 31 is switched, pressure oil is supplied, the hydraulic cylinder (13) is retracted, and the hydraulic cylinder (12') is extended. Rotate clockwise around the universal joint (6).Conversely, the hydraulic cylinder a
3 is extended and the hydraulic cylinder (12') is retracted, the blade (8) connects to the universal joint (
6) Rotate left around center. That is, a tilting operation is performed that creates a difference in height between the left and right ends of the blade (8).

（３）昇降作動 制御弁０７Ｊの切換えｋより、圧油を供給して油圧シリ
ンダ（１３）（１３’）を引き込むと、上昇作動が行な
われ、油圧シリンダ（１３）（１３つを伸長すると下降
作動が行なわれる。(3) When the hydraulic cylinders (13) (13') are pulled in by supplying pressure oil from the switching k of the lifting operation control valve 07J, the lifting operation is performed, and when the hydraulic cylinders (13) (13) are extended, they are lowered. An operation is performed.

なお、第５図の（ハ）は油槽である。Note that (c) in FIG. 5 is an oil tank.

本発明によるブレード支持装置の効果は次の通りである
。The effects of the blade support device according to the present invention are as follows.

１）プレーｒ（８）の前後方向の姿勢は自在接手（６）
の垂直軸に対して左右対称な四角形でＭ成されたブラケ
ット（９）（９’）（１０）（１０勺の４点で保持され
るため装置の剛性は高（、ブレード（８）Ｋ偏負荷が作
用した場合でも各部の剛性は安定している。1) The forward and backward posture of play r (8) is a universal joint (6)
The rigidity of the device is high because the brackets (9), (9'), (10), and (10) are held at four points, which are symmetrical with respect to the vertical axis of the machine. The rigidity of each part remains stable even when a load is applied.

２）ブレード（８）の前後方向の姿勢は、油圧シリンダ
（１１）（１１勺に故障が生じた場合でも維持できて危
険な状態にならない。2) The posture of the blade (8) in the longitudinal direction can be maintained even if a failure occurs in the hydraulic cylinder (11), so that no dangerous situation occurs.

３）ブレード（８）の左右の傾き力が等しくなり、安定
したチルチング作業ができる。3) The left and right tilting forces of the blade (8) are equal, allowing stable tilting work.

４）さらに、油圧シリンダ（１２０１２勺のそれぞれの
シリンダ側、ロッド側に同時に圧油を供給することによ
って、大穴いシリンダ力を発生することができ、油圧シ
リンダのサイズを小さくすることができる。4) Furthermore, by simultaneously supplying pressure oil to each cylinder side and rod side of the hydraulic cylinder (12012), a large cylinder force can be generated, and the size of the hydraulic cylinder can be reduced.

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

第１図は従来のブレード支持装置を示す斜視図、第２図
は本発明によるブレード支持装置の一実施例を示す斜視
図、第６図はプレーＹのアングリング作動を示す平面図
、第４図はブレードのチルチング作動を示す背面図、第
５図は油圧制御回路図である。 （１１・・・支持フレーム、　（２１（２’）・・・側
部材、１ａ）（３’）・・・ブラケット、（４）・・・
垂直構造物。 （５）・・・ブラケット、　　（６：・・・自在接手、
（７）（７’）・・・ピボット、（８）・・・ブレード
、（９Ｘ９’Ｘ１０Ｘ１０’）・・・ブラケット。 （１１Ｘ１１’Ｘ１２Ｘ１２’Ｘ１３Ｘ１３’）・・・
油圧シリンダ、（１４Ｘ１４’Ｘ１５Ｘ１５’Ｘ１６Ｘ
１６’Ｘ１７Ｘ１８Ｘ１８’）−・・ビン、（３０Ｘ３
１Ｘ３２）・・・制御弁、　（３３）・・・油槽。 復代理人弁理士岡　本　重　文 外２名 簗１図 第２図 第３図 第５図 手続補正書 昭和５８年２　月２５日 特許庁長官　若　杉　和　夫　　殿 １、事件の表示 昭和５７年特　許　願第２００２７５　　号２・発明の
名称　ブレードの支持装置 ３、補正をする者 事件との関係　　特　　　　　許出願人名　称（６２０
）三菱重工業株式会社 ４、復代理人 （６２０８）　　　　　　　　　　外２名５、補正命令
の１１付　　昭和（自年発）月　　日６、補正の対象　
図面 ７．１ｍ正の内容 図面中 第１，２図を別紙のように神正し呻す。 第１図 第２図FIG. 1 is a perspective view showing a conventional blade support device, FIG. 2 is a perspective view showing an embodiment of the blade support device according to the present invention, FIG. 6 is a plan view showing the angling operation of play Y, and FIG. The figure is a rear view showing the tilting operation of the blade, and FIG. 5 is a hydraulic control circuit diagram. (11...Support frame, (21(2')...Side member, 1a)(3')...Bracket, (4)...
Vertical structures. (5)...bracket, (6:...universal joint,
(7) (7')...Pivot, (8)...Blade, (9X9'X10X10')...Bracket. (11X11'X12X12'X13X13')...
Hydraulic cylinder, (14X14'X15X15'X16X
16'X17X18X18')--Bin, (30X3
1X32)...Control valve, (33)...Oil tank. Sub-Agent Patent Attorney Shige Okamoto 2 Names Figure 2 Figure 3 Figure 5 Procedural Amendments February 25, 1982 Commissioner of the Patent Office Kazuo Wakasugi 1, Indication of the Case 1988 Patent Application No. 200275 2/Title of the Invention Blade Support Device 3, Relationship with the Amendment Person Case Patent Applicant Name (620
) Mitsubishi Heavy Industries, Ltd. 4, sub-agent (6208) and 2 others 5, amended order dated 11 Showa (issued in 2007) month, day 6, subject to amendment
Contents of Drawing 7.1m Correct Figures 1 and 2 of the drawing are shown as separate sheets. Figure 1 Figure 2

Claims (1)

【特許請求の範囲】[Claims] 前後左右に揺動可能な自在接手（６）によってプレーＫ
（８１を支持フレーム（１）に取り付け、側部材（２）
（２１）にそれぞれ溶着したブラケット（３１（３つと
プレー１″（８）の背面にそれぞれ溶着したブラケット
（１０，１０’）とを油圧シリンダ＋Ｉｌ＋（１１’）
とピンα４（１４’　）およびビン（１５）（１５’）
とを介して連結し、支持フレーム（１）の枢着部の垂直
軸上に溶着したブラケット（５）に相互に溶着した油圧
シリンダ（１２）（１２すを中心部が揺動可能なよ’＋
に一ンａηにより連結し、前記油圧シリンダ（１２）（
１２’）のロッジ側を前記プレー）−″（８）の左右に
それぞれ溶着したブラケット（９）（９’）に連結し、
自在接手（６）と同自在接手（６）の垂直軸に対して左
右対称な前記プラタン）　（９）（９’）（１０）（１
０’）とでプレー）″（８）を支持したことを特徴とす
るプレーＶの支持装置。Play K with a universal joint (6) that can swing back and forth and left and right
(Attach 81 to the support frame (1), and attach the side member (2)
The three brackets (31) welded to (21) and the brackets (10, 10') welded to the back of play 1'' (8), respectively, are connected to the hydraulic cylinder + Il + (11').
and pin α4 (14') and pin (15) (15')
A hydraulic cylinder (12) is connected to the bracket (5), which is welded to the vertical axis of the pivot joint of the support frame (1), and the hydraulic cylinder (12) is connected to the bracket (5), which is welded to the vertical axis of the pivot joint of the support frame (1). +
The hydraulic cylinder (12) (
Connect the lodge side of 12') to the brackets (9) (9') welded to the left and right sides of the play)-'' (8), respectively,
(9) (9') (10) (1) (9) (9') (10) (1)
0') and play)'' (8).
JP20027582A 1982-11-17 1982-11-17 Supporter for blade Pending JPS5991235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20027582A JPS5991235A (en) 1982-11-17 1982-11-17 Supporter for blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20027582A JPS5991235A (en) 1982-11-17 1982-11-17 Supporter for blade

Publications (1)

Publication Number Publication Date
JPS5991235A true JPS5991235A (en) 1984-05-25

Family

ID=16421608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20027582A Pending JPS5991235A (en) 1982-11-17 1982-11-17 Supporter for blade

Country Status (1)

Country Link
JP (1) JPS5991235A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962816A (en) * 1986-10-22 1990-10-16 Kabushiki Kaisha Komatsu Seisakusho Arrangement for controlling bulldozer blade
CN109208665A (en) * 2018-10-31 2019-01-15 安徽科信矿山机械制造有限公司 A kind of scraper bowl of the fine-tuning angle of rubble scraper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962816A (en) * 1986-10-22 1990-10-16 Kabushiki Kaisha Komatsu Seisakusho Arrangement for controlling bulldozer blade
CN109208665A (en) * 2018-10-31 2019-01-15 安徽科信矿山机械制造有限公司 A kind of scraper bowl of the fine-tuning angle of rubble scraper

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