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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