JPS58113434A - Working head mechanism - Google Patents
Working head mechanismInfo
- Publication number
- JPS58113434A JPS58113434A JP20992081A JP20992081A JPS58113434A JP S58113434 A JPS58113434 A JP S58113434A JP 20992081 A JP20992081 A JP 20992081A JP 20992081 A JP20992081 A JP 20992081A JP S58113434 A JPS58113434 A JP S58113434A
- Authority
- JP
- Japan
- Prior art keywords
- buffer
- arm
- hydraulic cylinder
- parallel link
- work head
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/32—Rippers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はならし作業を行なうための作業機装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a working machine device for performing break-in work.
作業機の機能としては過負荷時に逃げるようにすること
と、作業をしない時には収納できる機能をもつ必要があ
シ、従来は第１図、第２図に示すように二つの方法が考
えられていた。The function of work equipment is to escape when overloaded and to store it when not in use. Conventionally, two methods have been considered, as shown in Figures 1 and 2. Ta.
一つは、作業機の腕を作動する油圧シリンダｂのヘッド
側にアキュムレータｄｉ接続し、油圧シリンダｂが作動
してアキュムレータｄＫより過負荷を逃げ、作業機ａを
収納する場合にはロッド側に油圧を送っていた。しかし
、次のような問題点が考えられる。One is to connect the accumulator di to the head side of the hydraulic cylinder b that operates the arm of the work equipment, and when the hydraulic cylinder b operates to escape the overload from the accumulator dK, when storing the work equipment a, connect the accumulator di to the rod side. It was sending hydraulic pressure. However, the following problems can be considered.
Ｔ１） 作業＠ａ’ｆｒ任意の高さにおいて緩衝させ
るのが困難。T1) Work @a'fr Difficult to buffer at any height.
（２） 製雪全体が大きくなる。(2) The overall size of snowmaking becomes larger.
（３） 油圧シリンダｂが大ストロークで太きいもの
になる。(3) Hydraulic cylinder b becomes thick with a large stroke.
（４）収納時アキュムレータｄを作動させるので余分な
出力が必要。(4) Extra output is required since accumulator d is activated during storage.
また、第２図のように作業機ａに四節リンクＣを設け、
その内側に油圧シリンダｆＱ備え、油圧シリンダｆのロ
ッド側にアキュムレータｄＱ設け、アキュムレータｄに
より過負荷を逃げ、油圧シリンダｆ２作動させて作業機
ａを収納するものにおいては、次の問題点があった。In addition, as shown in Fig. 2, a four-bar link C is provided on the work machine a,
The following problem occurred in a system that is equipped with a hydraulic cylinder fQ inside, an accumulator dQ on the rod side of the hydraulic cylinder f, escapes overload by the accumulator d, and operates the hydraulic cylinder f2 to store the working machine a. .
（１）作業機を任意の高さで緩衝させるのが困難。(1) It is difficult to buffer the work equipment at a desired height.
（２）収納時アキュムレータｄ’を作動させるので余分
な出力が必要。(2) Extra output is required since accumulator d' is activated during storage.
本発明は上記の事情に艦みなされたものでおって、その
目的とするところは油圧シリンダの小型化が可能になシ
、また作業機を任意の高さで緩衝できると共に余分な出
力が不用となる作業機装ｆを提供することにある。The present invention has been made in view of the above circumstances, and its purpose is to make it possible to downsize the hydraulic cylinder, to buffer the working machine at any height, and to eliminate the need for extra output. The objective is to provide a work equipment f that is
以下、本発明を第３図以下を参照して説明する０
図面中１＃−１台車のような支持部であり、支持部１に
は上部ブラケット６と下側ブラケット９とが固設しであ
る。上側ブラケット８には上−１ア一ム３０基端部と緩
衝用アーム５の上端部とがビン１０で揺動可能に取付け
である。上側アーム３０基端部は作業機２の上部にビン
１１で取付けである。Hereinafter, the present invention will be explained with reference to FIG. be. The base end of the upper arm 30 and the upper end of the buffer arm 5 are attached to the upper bracket 8 so as to be swingable around the bin 10. The base end of the upper arm 30 is attached to the upper part of the working machine 2 with a bin 11.
前記下側ブラケット９には下側アーム４の基端部がビン
１３て取付けてあシ、下側アーム４の先端部は作業機２
の下部にビン１２で取付けである。The base end of the lower arm 4 is attached to the lower bracket 9 with a pin 13, and the tip of the lower arm 4 is attached to the work machine 2.
It is attached to the bottom of the bottle 12.
支持部１には支持ブラケット１６が固設してあシ、支持
ブラケット１６に緩衝シリンダ７の基端部がビン１４で
取付けてあり、緩衝シリンダ゛７のロッド２，５は前記
緩衛用アーム５の下端部にビンｌフで連結しである。ま
た、このビン１フにより緩衝用アーム５の下端部に油圧
シリンダ６０基端部が取付けてあり、油圧シリンダもの
ロッド２６は作業機２の上部に前記ビン１１で取付けで
ある。A support bracket 16 is fixed to the support part 1, and the proximal end of a buffer cylinder 7 is attached to the support bracket 16 with a pin 14, and the rods 2 and 5 of the buffer cylinder 7 are attached to the guard arm. It is connected to the lower end of 5 with a bottle lf. Further, a base end portion of a hydraulic cylinder 60 is attached to the lower end portion of the buffer arm 5 through the bottle 1 , and the rod 26 of the hydraulic cylinder is attached to the upper portion of the working machine 2 using the bottle 11 .
そして、支持部１と上、下側アーム３，４と作業機２と
で四節平行リンクムを構成している。The support portion 1, upper and lower arms 3 and 4, and the working machine 2 constitute a four-section parallel link.
前記緩衝シリンダ７のロッド＠は管路を介してアキュム
レータ２７に接続してあり、緩衝シリンダ７のヘッド９
１１１はタンク２８に接続してあって、これらで緩衝機
＃ｌＢを構成している。The rod @ of the buffer cylinder 7 is connected to the accumulator 27 via a conduit, and the head 9 of the buffer cylinder 7
111 is connected to the tank 28, and these constitute a buffer machine #1B.
図面中２９は油圧シリンダ６の油圧回路であり、この油
圧回路２９はポンプ３０、操作弁３１、チェック弁３２
．３３を備えている。29 in the drawing is a hydraulic circuit of the hydraulic cylinder 6, and this hydraulic circuit 29 includes a pump 30, an operation valve 31, and a check valve 32.
．． It is equipped with 33.
次に作動を説明する。Next, the operation will be explained.
（１）作業機緩衝時
作業機２の先端に上向きの力が□加わつ九場合、４節平
行リンクムにより第３図のように０点中心に作業機２の
上部のビン１１の中心点ＢがＢ／に移動する。そのため
に１油圧シリンダ６が引張られてム点が０点中心にム′
に移動する。よって緩衝シリンダ７は引張られて伸長さ
れる。つまりΔＡＢＣは形をくずさず０点を中心に回わ
される。(1) When an upward force is applied to the tip of the work machine 2 when the work machine is buffered, the 4-bar parallel links move the center point B of the bin 11 on the top of the work machine 2 to the 0 point as shown in Figure 3. moves to B/. For this purpose, the first hydraulic cylinder 6 is pulled, and the point M is centered around the zero point.
Move to. The buffer cylinder 7 is thus stretched and stretched. In other words, ΔABC is rotated around the 0 point without changing its shape.
緩衝シリンダ７が伸長されるとロッド側の油はアキュム
レータ２７に逃げるために作業機２０過負苛が緩衝され
ることになる。When the buffer cylinder 7 is extended, the oil on the rod side escapes to the accumulator 27, so that the overload of the working machine 20 is buffered.
（２）作業機収納時
この場合は油圧シリンダ６を伸ばし４節平行リンクムに
より持ち上げる。(2) When storing the work equipment In this case, extend the hydraulic cylinder 6 and lift it using the four-bar parallel link.
緩衝機構Ｂとしては上記した緩衝シリンダ７とアキュム
レータ２７との組合せに限らず第９図に示すようにばね
４１でもよいし、また第１１図に示すように緩衝シリン
ダ７のロッド側にばね３４を収容したものであってもよ
いし、更には第１２図に示すように緩衝シリンダ７のヘ
ッド＠ｔタンク３５に連通し、ロッド側をポンプ３６の
吐出側に連通し、ポンプ３３の吐出側にリリーフ弁３７
を設けた構造のものであって屯よい。The buffer mechanism B is not limited to the above-described combination of the buffer cylinder 7 and accumulator 27, but may also be a spring 41 as shown in FIG. 9, or a spring 34 on the rod side of the buffer cylinder 7 as shown in FIG. Furthermore, as shown in FIG. Relief valve 37
It is a good idea to have a structure with
本発明に係る作業機装置ＣＦｉ＠１３図および第１４図
に示すように水底ならし用のならし機ＤＫ装備すること
ができる。As shown in FIGS. 13 and 14, the work equipment device CFi according to the present invention can be equipped with a leveling machine DK for leveling the underwater bottom.
すなわち、アウトリガ３８を備えた枠フレーム３９上を
移動する台車４０に作業機装＠Ｃを取付ける。That is, the work equipment @C is attached to a cart 40 that moves on a frame 39 provided with outriggers 38.
したがって大きな反力Ｆが作業機２に加わった場合に作
業機２を自動的に逃がして反力を小さく・し、数回の（
ｐ返えし作業によりならしを完了する（第１５図参照）
。Therefore, when a large reaction force F is applied to the work equipment 2, the work equipment 2 is automatically released to reduce the reaction force, and several (
Complete the break-in by performing the P-turning operation (see Figure 15).
.
本発明は以上詳述したように支持部１に四節平行リンク
ムを介して作業機２ｔ−設け、四節平行リンクＡの上側
アーム３の支持部１への軸支部に緩衝用アーム５ｔ−揺
動可能に取付 −け、この緩衝用アーム５の端部と
、上側アーム３０作業機２への軸支部との間を油圧シリ
ンダ６で連結し、緩衝用アーム５と油圧シリンダ６との
連結部を緩１１機構Ｂｔ−介して支持部１に連結したか
ら、作業機２に作用する過負荷は緩衝機構Ｂによって緩
衝され、また作業機２の収納は油圧シリンダ６を作動す
ることによって行なうことができて油圧シリンダ６を小
型にすることが可能であるし、また作業機２を油圧シリ
ンダ６によって任意の高さｔとし、この状態で過負荷の
緩衝ができる。As described in detail above, the present invention provides the working machine 2t to the support part 1 via the four-bar parallel link, and the shock-absorbing arm 5t to the axial support of the upper arm 3 of the four-bar parallel link A to the support part 1. The end of the shock absorbing arm 5 and the shaft support of the upper arm 30 to the working machine 2 are connected by a hydraulic cylinder 6, and the connecting portion between the shock absorbing arm 5 and the hydraulic cylinder 6 is connected. is connected to the support part 1 through the loose mechanism Bt-, so the overload acting on the work implement 2 is buffered by the buffer mechanism B, and the work implement 2 can be stowed by operating the hydraulic cylinder 6. Therefore, the hydraulic cylinder 6 can be made smaller, and the working machine 2 can be set to an arbitrary height t by the hydraulic cylinder 6, and an overload can be buffered in this state.
第１図、第２図は従来の作業機装置の構成説明図、第３
図は本発明−！ｊ！施例の側面図、第４図は同平面図、
第５図は四節平行リンクの構成説明図、＄６図は緩衝用
リンクの構成説明図、第７図は緩衝機構の構成説明図、
第６図は油圧シリンダの回路説明図、第９図は本発明の
他の実施例のｌｌｌｌｉｆｉ図、第１０図は同作用説明
図、第１１図、第１２図は緩衝機構の他の実施態様の構
成説明図、第１３図はならし機の平面図、第１４囚は同
＠面図、第１５図はならし作業の説明図である。
１は支持部、２は作業機、３Ｖｉ上側アーム、５は緩衝
用アーム、６に油圧シリンダ、ムは四節平行リンク、Ｂ
は緩衝機構。
出願人 株式会社 小松製作所
代理人 弁理土木 原 正 章
弁理士浜 本 忠
第５図
第１０図
区
０つ
！す
−区Figures 1 and 2 are explanatory diagrams of the configuration of conventional work equipment, and Figure 3 is
The figure shows the invention! j! A side view of the example, FIG. 4 is a plan view of the same,
Figure 5 is an explanatory diagram of the configuration of a four-bar parallel link, Figure 6 is an explanatory diagram of the configuration of a buffer link, and Figure 7 is an explanatory diagram of the configuration of a buffer mechanism.
Fig. 6 is an explanatory diagram of a circuit of a hydraulic cylinder, Fig. 9 is an illustration of another embodiment of the present invention, Fig. 10 is an explanatory diagram of the same operation, and Figs. 11 and 12 are other embodiments of the shock absorbing mechanism. Fig. 13 is a plan view of the leveling machine, Fig. 14 is a plan view of the leveling machine, and Fig. 15 is an explanatory diagram of the leveling work. 1 is the support part, 2 is the working machine, 3Vi upper arm, 5 is the buffer arm, 6 is the hydraulic cylinder, MU is the four-bar parallel link, B
is a buffer mechanism. Applicant: Komatsu Ltd. Agent: Patent Attorney, Civil Engineer, Masaaki Hara, Patent Attorney: Tadashi Hamamoto, Figure 5, Figure 10, 0 areas! Su-ku
Claims (1)
四節平行リンクムの上側アーム３の支持ｓ１への軸支Ｓ
９に緩衝用アーム５ｔ−揺動可能に取付け、この緩衝用
アーム５の端部と、上側アーム３の作業機２への軸支部
との間を油圧シリンダ６で運結し、緩衝用アーム５と油
圧シリンダ６との連結部を緩衝機構Ｂを介して支持部１
に連結、したことを特徴とする作業機装置。[Claims] The support part 1 is provided with a four-bar parallel link [through which a working machine 2 is provided,
Pivotal support S of the upper arm 3 of the four-bar parallel link system to the support s1
A shock absorbing arm 5t is swingably attached to the shock absorbing arm 5 9, and a hydraulic cylinder 6 is used to connect the end of the shock absorbing arm 5 and the shaft support of the upper arm 3 to the working machine 2. The connecting portion between the hydraulic cylinder 6 and the supporting portion 1 is
A working machine device characterized by being connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20992081A JPS58113434A (en) | 1981-12-28 | 1981-12-28 | Working head mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20992081A JPS58113434A (en) | 1981-12-28 | 1981-12-28 | Working head mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58113434A true JPS58113434A (en) | 1983-07-06 |
| JPS6248017B2 JPS6248017B2 (en) | 1987-10-12 |
Family
ID=16580848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20992081A Granted JPS58113434A (en) | 1981-12-28 | 1981-12-28 | Working head mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58113434A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0257271A1 (en) * | 1986-08-07 | 1988-03-02 | Krupp MaK Maschinenbau GmbH | Device for implements mounted on earth-moving machines, in particular for tracked ones |
| JP2009249876A (en) * | 2008-04-03 | 2009-10-29 | Kyowa Kikai Seisakusho:Kk | Plough supporting device |
| JP2010174546A (en) * | 2009-01-30 | 2010-08-12 | Kubota Corp | Front loader |
| CN102888867A (en) * | 2012-10-19 | 2013-01-23 | 江苏中机矿山设备有限公司 | Mining trencher |
-
1981
- 1981-12-28 JP JP20992081A patent/JPS58113434A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0257271A1 (en) * | 1986-08-07 | 1988-03-02 | Krupp MaK Maschinenbau GmbH | Device for implements mounted on earth-moving machines, in particular for tracked ones |
| JP2009249876A (en) * | 2008-04-03 | 2009-10-29 | Kyowa Kikai Seisakusho:Kk | Plough supporting device |
| JP2010174546A (en) * | 2009-01-30 | 2010-08-12 | Kubota Corp | Front loader |
| CN102888867A (en) * | 2012-10-19 | 2013-01-23 | 江苏中机矿山设备有限公司 | Mining trencher |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6248017B2 (en) | 1987-10-12 |
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