JPS63112565U - - Google Patents
Info
- Publication number
- JPS63112565U JPS63112565U JP523287U JP523287U JPS63112565U JP S63112565 U JPS63112565 U JP S63112565U JP 523287 U JP523287 U JP 523287U JP 523287 U JP523287 U JP 523287U JP S63112565 U JPS63112565 U JP S63112565U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- balance
- roller
- rotating body
- upper rotating
- 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
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Jib Cranes (AREA)
Description
第１図はこの考案にかかるバランス装置を有す
る油圧シヨベルの全体側面図、第２図は第１図の
Ａより見た平面図、第３図はこの考案にかかるバ
ランス装置の油圧および電気回路図、第４図は第
１図の作動実施例図、第５図は従来技術油圧シヨ
ベルの全体側面図、第６図は従来技術油圧シヨベ
ルの油圧および電気回路図である。
１，１′……油圧シヨベル、２，２′……上部
旋回体、５……作業アタツチメント、１９……作
業モード切換用スイツチ、２４…ローラガイド、
２５……バランスシリンダ、２７……ローラ付サ
ブウエイト、３１……バランス用電磁弁、３３…
…電磁弁作動用スイツチ。
Fig. 1 is an overall side view of a hydraulic excavator having a balance device according to this invention, Fig. 2 is a plan view seen from A in Fig. 1, and Fig. 3 is a hydraulic and electrical circuit diagram of the balance device according to this invention. , FIG. 4 is an operational example diagram of FIG. 1, FIG. 5 is an overall side view of the conventional hydraulic excavator, and FIG. 6 is a hydraulic and electrical circuit diagram of the conventional hydraulic excavator. 1, 1'...Hydraulic excavator, 2, 2'...Upper rotating body, 5...Work attachment, 19...Work mode switching switch, 24...Roller guide,
25...Balance cylinder, 27...Sub weight with roller, 31...Balance solenoid valve, 33...
...Switch for solenoid valve operation.
Claims (1)
を装着し、また、上部旋回体後部にカウンタウエ
イトを装備した油圧シヨベルにおいて、上部旋回
体の左右両側部にバランスシリンダおよびローラ
ガイドを前後方向に設け、上記バランスシリンダ
の先端部にローラ付サブウエイトを連結し、かつ
、そのサブウエイトのローラをローラガイドに転
動可能に嵌合し、一方、バランスシリンダ用油圧
ポンプとバランスシリンダとの油路中間に電磁弁
を設け、その電磁弁作動用スイツチをメインポン
プ馬力増減用の作業モード切換用スイツチと連動
可能に連結するとともに、電源、電磁弁作動用ス
イツチおよび電磁弁用励磁コイルを直列に接続し
て構成したことを特徴とする油圧シヨベルのバラ
ンス装置。 In a hydraulic excavator that is equipped with a work attachment on the front part of the upper rotating body and a counterweight on the rear part of the upper rotating body, balance cylinders and roller guides are installed in the front and back direction on both left and right sides of the upper rotating body, and the above-mentioned balance A sub-weight with a roller is connected to the tip of the cylinder, and the roller of the sub-weight is rotatably fitted to the roller guide, while a solenoid valve is installed between the hydraulic pump for the balance cylinder and the oil path between the balance cylinder. The solenoid valve operating switch was connected to the work mode switching switch for increasing/decreasing the main pump horsepower, and the power supply, the solenoid valve operating switch, and the solenoid valve excitation coil were connected in series. A hydraulic excavator balance device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP523287U JPS63112565U (en) | 1987-01-17 | 1987-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP523287U JPS63112565U (en) | 1987-01-17 | 1987-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112565U true JPS63112565U (en) | 1988-07-20 |
Family
ID=30786621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP523287U Pending JPS63112565U (en) | 1987-01-17 | 1987-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63112565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311933A (en) * | 1995-05-22 | 1996-11-26 | Saeki Kensetsu Kogyo Kk | Underwater operating machine |
-
1987
- 1987-01-17 JP JP523287U patent/JPS63112565U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311933A (en) * | 1995-05-22 | 1996-11-26 | Saeki Kensetsu Kogyo Kk | Underwater operating machine |
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