JPS6221160U - - Google Patents
Info
- Publication number
- JPS6221160U JPS6221160U JP10939985U JP10939985U JPS6221160U JP S6221160 U JPS6221160 U JP S6221160U JP 10939985 U JP10939985 U JP 10939985U JP 10939985 U JP10939985 U JP 10939985U JP S6221160 U JPS6221160 U JP S6221160U
- Authority
- JP
- Japan
- Prior art keywords
- mast
- boom
- counterweight
- operation valve
- vehicle body
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Jib Cranes (AREA)
Description
第１図、第２図は本考案の一実施例を異なる作
業状況にて示す概要図、第３図はカウンタウエイ
ト取付け完了の状態を示す断面図、第４図は第３
図示の状態に至る各作業状況を併示する概要図、
第５図はブーム及びマスト操作回路を示す概要図
である。
１……車体、３……カウンタウエイト取付板、
４……ブーム、８……ブームシリンダ、１１……
マスト、１４……シーブ、１５……マストシリン
ダ、１９……カウンタウエイト、２０……フツク
、２３……索条、２７，３１……主ポンプ、２８
……ブーム用主操作弁、３２……ブーム２速用主
操作弁、３４……補助ポンプ、３５……マスト用
操作弁、３８……ブーム用補助操作弁。
Figures 1 and 2 are schematic diagrams showing one embodiment of the present invention in different working situations, Figure 3 is a cross-sectional view showing the state in which the counterweight has been installed, and Figure 4 is a
A schematic diagram showing each work situation leading to the illustrated state,
FIG. 5 is a schematic diagram showing the boom and mast operating circuit. 1...Vehicle body, 3...Counterweight mounting plate,
4...Boom, 8...Boom cylinder, 11...
Mast, 14... Sheave, 15... Mast cylinder, 19... Counterweight, 20... Hook, 23... Cable, 27, 31... Main pump, 28
... Main operation valve for boom, 32 ... Main operation valve for boom 2nd speed, 34 ... Auxiliary pump, 35 ... Operation valve for mast, 38 ... Auxiliary operation valve for boom.
Claims (1)
可能な作業装置を設け、該車体の後部にカウンタ
ウエイトを脱着可能に設けた作業機において、車
体後部にマストを設け、該マスト上部にシーブを
装着し、該シーブを介してマストに支持された索
条をカウンタウエイトの脱着時に該カウンタウエ
イトと前記作業装置との間に張架すると共に、ブ
ームシリンダと主ポンプをブーム用主操作弁を介
して接続したブーム操作回路に補助ポンプをブー
ム用補助操作弁を介して接続したことを特徴とす
る作業機のカウンタウエイト脱着装置。 (2) 補助ポンプと、マストを前後に回動可能な
マストシリンダとをマスト用操作弁を介して接続
したマスト操作回路を設け、該マスト操作回路を
ブーム用補助操作弁を介してブーム操作回路に接
続したことを特徴とする実用新案登録請求の範囲
第１項記載の作業機のカウンタウエイト脱着装置
。[Scope of Claim for Utility Model Registration] (1) A working machine in which a working device that can be raised and lowered by a boom cylinder is provided at the front of the vehicle body, and a counterweight is detachably provided at the rear of the vehicle body, and a mast is provided at the rear of the vehicle body. A sheave is attached to the upper part of the mast, and the cable supported by the mast is stretched between the counterweight and the working device when the counterweight is attached or detached through the sheave, and the cable is connected to the boom cylinder and the main pump. A counterweight attachment/detachment device for a working machine, characterized in that an auxiliary pump is connected to a boom operation circuit connected to the main operation valve for the boom via an auxiliary operation valve for the boom. (2) A mast operation circuit is provided in which the auxiliary pump and a mast cylinder that can rotate the mast back and forth are connected via a mast operation valve, and the mast operation circuit is connected to the boom operation circuit via the boom auxiliary operation valve. A counterweight attachment/detachment device for a working machine according to claim 1, characterized in that the device is connected to a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10939985U JPS6221160U (en) | 1985-07-17 | 1985-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10939985U JPS6221160U (en) | 1985-07-17 | 1985-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6221160U true JPS6221160U (en) | 1987-02-07 |
Family
ID=30987460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10939985U Pending JPS6221160U (en) | 1985-07-17 | 1985-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6221160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003013A1 (en) * | 1995-07-12 | 1997-01-30 | Komatsu Ltd. | Device for mounting and dismounting counterweight |
-
1985
- 1985-07-17 JP JP10939985U patent/JPS6221160U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003013A1 (en) * | 1995-07-12 | 1997-01-30 | Komatsu Ltd. | Device for mounting and dismounting counterweight |
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