JPS60154382U - Crane swivel device - Google Patents
Crane swivel deviceInfo
- Publication number
- JPS60154382U JPS60154382U JP4311884U JP4311884U JPS60154382U JP S60154382 U JPS60154382 U JP S60154382U JP 4311884 U JP4311884 U JP 4311884U JP 4311884 U JP4311884 U JP 4311884U JP S60154382 U JPS60154382 U JP S60154382U
- Authority
- JP
- Japan
- Prior art keywords
- swing motor
- swing
- crane
- swivel device
- flow path
- 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
Landscapes
- Jib Cranes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案を適用したクレーンの一例を示す側面図
、第２図は第１図の■−■矢視図、第３図は第１図の■
−■拡大矢視図、第４図は旋回モータの制御油圧回路の
説明図である。
１は旋回装置、２は旋回ポスト、５，６はブーム、１１
は旋回ベアリング、１２は内歯歯車、１３．１４は駆動
歯車、１５，１６は旋回モータ、１７は主ポンプ、１８
．１９はコントロール弁、２３．２５は正転側流路、２
４，２６は逆転−流路、３５は副ポンプ、３７は切替電
磁弁、４０゜４１はブレーキ装置、４３．４４はチェッ
ク弁、４５は接続流路、４６は切替流路、４７は振れ止
め回路を示す。Fig. 1 is a side view showing an example of a crane to which the present invention is applied, Fig. 2 is a view taken from the ■-■ arrow in Fig. 1, and Fig. 3 is a -■ arrow view in Fig. 1.
-■ Enlarged arrow view, FIG. 4 is an explanatory diagram of the control hydraulic circuit of the swing motor. 1 is a swing device, 2 is a swing post, 5 and 6 are booms, 11
is a swing bearing, 12 is an internal gear, 13.14 is a drive gear, 15 and 16 are swing motors, 17 is a main pump, 18
．． 19 is a control valve, 23.25 is a normal rotation side flow path, 2
4 and 26 are reverse flow passages, 35 is a sub-pump, 37 is a switching solenoid valve, 40°41 is a brake device, 43 and 44 are check valves, 45 is a connection passage, 46 is a switching passage, 47 is a steady rest Shows the circuit.
Claims (1)
駆動歯車の回転を行う旋回モータを設け、且つ両旋回モ
ータの駆動を行う制御回路に、旋回モータの停止時数旋
回モータに備えるブレーキ装置のブレーキ解除用流体圧
を一方の旋回のモータの正転側流路と他方の旋回モータ
の逆転側流路に切替えて導（切替電磁弁、及びチェック
弁を備えた振れ止め回路を設けたことを特徴とするクレ
ーン旋回装置。Two drive gears for rotating the crane and a swing motor for rotating each of the drive gears are provided, and a control circuit for driving both swing motors includes a brake device for the swing motor when the swing motor is stopped. The fluid pressure for brake release is switched between the forward rotation side flow path of one swing motor and the reverse rotation side flow path of the other swing motor (a steady rest circuit equipped with a switching solenoid valve and a check valve is installed). A crane swivel device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4311884U JPS60154382U (en) | 1984-03-26 | 1984-03-26 | Crane swivel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4311884U JPS60154382U (en) | 1984-03-26 | 1984-03-26 | Crane swivel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60154382U true JPS60154382U (en) | 1985-10-15 |
Family
ID=30554491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4311884U Pending JPS60154382U (en) | 1984-03-26 | 1984-03-26 | Crane swivel device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60154382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178201U (en) * | 1988-06-07 | 1989-12-20 |
-
1984
- 1984-03-26 JP JP4311884U patent/JPS60154382U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178201U (en) * | 1988-06-07 | 1989-12-20 |
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