JPH0190860U - - Google Patents
Info
- Publication number
- JPH0190860U JPH0190860U JP18100087U JP18100087U JPH0190860U JP H0190860 U JPH0190860 U JP H0190860U JP 18100087 U JP18100087 U JP 18100087U JP 18100087 U JP18100087 U JP 18100087U JP H0190860 U JPH0190860 U JP H0190860U
- Authority
- JP
- Japan
- Prior art keywords
- wire rope
- sheave
- fixed frame
- movable frame
- sheaves
- 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
- 230000002265 prevention Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
- Earth Drilling (AREA)
Description
図面はこの考案の一実施例を示すものであつて
、第1図は切断防止装置の正面図、第2図はその
縦断正面図、第3図は切断防止装置の側面図、第
4図は第1図のA―A線断面図、第5図は第1図
のB―B線断面図、第6図は液圧シリンダに接続
されたリリーフ弁付き液圧回路を示す図、第7図
は切断防止装置の使用例を示す一部縦断正面図で
ある。第8図はワイヤロープ切断防止装置の他の
例を示す縦断正面図である。
図において、1はシーブ、2は固定フレーム、
3はシーブ、4は可動フレーム、5は液圧シリン
ダ、6は揚重機、7は電動ウインチ、8はワイヤ
ロープ、9は排土バケツト、10はリリーフ弁、
11はガイド部材、12は連結部材、13は支持
フレーム、14はブーム、15はフレーム、16
は吊下用シーブ、19は切換弁、20は排液管、
21は貯液タンク、22は制御用スイツチ、23
はケーソン、24は昇降用シヤフト、25はエア
ロツク装置である。
The drawings show an embodiment of the invention, in which Fig. 1 is a front view of the cut prevention device, Fig. 2 is a longitudinal sectional front view thereof, Fig. 3 is a side view of the cut prevention device, and Fig. 4 is a front view of the cut prevention device. Fig. 1 is a sectional view taken along line AA in Fig. 1, Fig. 5 is a sectional view taken along line BB in Fig. 1, Fig. 6 is a diagram showing a hydraulic circuit with a relief valve connected to a hydraulic cylinder, Fig. 7 FIG. 2 is a partially vertical front view showing an example of the use of the cut prevention device. FIG. 8 is a longitudinal sectional front view showing another example of the wire rope breakage prevention device. In the figure, 1 is a sheave, 2 is a fixed frame,
3 is a sheave, 4 is a movable frame, 5 is a hydraulic cylinder, 6 is a lifting machine, 7 is an electric winch, 8 is a wire rope, 9 is an earth removal bucket, 10 is a relief valve,
11 is a guide member, 12 is a connecting member, 13 is a support frame, 14 is a boom, 15 is a frame, 16
is a hanging sheave, 19 is a switching valve, 20 is a drain pipe,
21 is a liquid storage tank, 22 is a control switch, 23
24 is a caisson, 24 is a lifting shaft, and 25 is an aerodynamic device.
Claims (1)
数のシーブ3を取付けた可動フレーム4とが、伸
長された液圧シリンダ5を介して連結され、揚重
機6の電動ウインチ7から繰り出されたワイヤロ
ープ8は、固定フレーム2のシーブ1と可動フレ
ーム4のシーブ3とに交互にジグザグ状に巻掛け
られ、前記ワイヤロープ8の端部は排土バケツト
9に連結され、前記液圧シリンダ5の液圧回路に
リリーフ弁10が接続されていることを特徴とす
る排土バケツト昇降用ワイヤロープの切断防止装
置。 A fixed frame 2 to which a plurality of sheaves 1 are attached and a movable frame 4 to which a plurality of sheaves 3 are attached are connected via an extended hydraulic cylinder 5, and a wire rope is paid out from an electric winch 7 of a lifting machine 6. The wire rope 8 is wound alternately around the sheave 1 of the fixed frame 2 and the sheave 3 of the movable frame 4 in a zigzag pattern, and the end of the wire rope 8 is connected to the soil removal bucket 9, and the wire rope 8 is wound around the sheave 1 of the fixed frame 2 and the sheave 3 of the movable frame 4. A break prevention device for a wire rope for lifting and lowering an earth removal bucket, characterized in that a relief valve 10 is connected to a pressure circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987181000U JPH076211Y2 (en) | 1987-11-30 | 1987-11-30 | Wire rope cutting prevention device for raising and lowering the soil removal bucket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987181000U JPH076211Y2 (en) | 1987-11-30 | 1987-11-30 | Wire rope cutting prevention device for raising and lowering the soil removal bucket |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0190860U true JPH0190860U (en) | 1989-06-14 |
JPH076211Y2 JPH076211Y2 (en) | 1995-02-15 |
Family
ID=31472499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987181000U Expired - Lifetime JPH076211Y2 (en) | 1987-11-30 | 1987-11-30 | Wire rope cutting prevention device for raising and lowering the soil removal bucket |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH076211Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5332594A (en) * | 1976-09-07 | 1978-03-27 | Hitachi Zosen Corp | Ship |
-
1987
- 1987-11-30 JP JP1987181000U patent/JPH076211Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5332594A (en) * | 1976-09-07 | 1978-03-27 | Hitachi Zosen Corp | Ship |
Also Published As
Publication number | Publication date |
---|---|
JPH076211Y2 (en) | 1995-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5145425A (en) | Spud assembly for dredges | |
JPH0190860U (en) | ||
US3450274A (en) | Pile driving crane | |
JP3332692B2 (en) | Elevated shear device for sand piles | |
CN118164378B (en) | Fishing net lifting equipment | |
GB1572639A (en) | Drilling rig | |
SU1567496A1 (en) | Hoist | |
JP3545182B2 (en) | Crane hook suspension length holding device | |
JP2712874B2 (en) | Excavator hose suspension | |
CN217870527U (en) | Groove supporting device | |
JPH0547820Y2 (en) | ||
JPS6298688U (en) | ||
JP2567275Y2 (en) | Rope type multi-stage telescopic arm for construction machinery | |
GB1098232A (en) | Improvements in or relating to hoists | |
JPS6027156Y2 (en) | Earth retaining panel puller | |
JP2005041675A (en) | Repercussion preventing device of jib of tower crane | |
JP2559756Y2 (en) | Rope type telescopic arm of construction equipment | |
JPS6456487U (en) | ||
JPH075109Y2 (en) | Sheave block device | |
SU933930A1 (en) | Working member for driving wells in soil | |
JPH0330425Y2 (en) | ||
JPH0257898U (en) | ||
JPH0958578A (en) | Sand pile driving barge | |
JPH052689Y2 (en) | ||
JPH0739949Y2 (en) | Glove frame with float |