JPH035761U - - Google Patents
Info
- Publication number
- JPH035761U JPH035761U JP6325789U JP6325789U JPH035761U JP H035761 U JPH035761 U JP H035761U JP 6325789 U JP6325789 U JP 6325789U JP 6325789 U JP6325789 U JP 6325789U JP H035761 U JPH035761 U JP H035761U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic motor
- mechanical brake
- hydraulic
- drive device
- swing drive
- 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
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案に係るメカニカルブレーキ付油
圧モータ式旋回駆動装置の一実施例を示す油圧回
路図、第２図は本考案に係るメカニカルブレーキ
付油圧モータ式旋回駆動装置の別の実施例を示す
油圧回路図、第３図は従来のメカニカルブレーキ
付油圧モータ式旋回駆動装置を示す油圧回路図で
ある。
１０…メカニカルブレーキ、１２…旋回駆動系
、１４…油圧モータ、１６…出力軸、１８…油圧
信号回路、１９…切換弁、２０，２２…管路、２
４…油圧ポンプ、２６…リリーフ弁、３０…絞り
付油圧バルブ（連通弁）、３０ａ…受圧部、３０
ｂ…リターンスプリング、３２…絞り付ソレノイ
ドバルブ、３２ａ…受信部、３２ｂ…リターンス
プリング。
Fig. 1 is a hydraulic circuit diagram showing one embodiment of the hydraulic motor type swing drive device with a mechanical brake according to the present invention, and Fig. 2 shows another embodiment of the hydraulic motor type swing drive device with a mechanical brake according to the present invention. FIG. 3 is a hydraulic circuit diagram showing a conventional hydraulic motor-type swing drive device with a mechanical brake. 10... Mechanical brake, 12... Swing drive system, 14... Hydraulic motor, 16... Output shaft, 18... Hydraulic signal circuit, 19... Switching valve, 20, 22... Piping, 2
4...Hydraulic pump, 26...Relief valve, 30...Hydraulic valve with throttle (communication valve), 30a...Pressure receiving part, 30
b...Return spring, 32...Solenoid valve with throttle, 32a...Receiving section, 32b...Return spring.
Claims (1)
て供給するメカニカルブレーキ付油圧モータ式旋
回駆動装置において、前記油圧モータの両ポート
の間に前記メカニカルブレーキの作動、解除に対
応して連通を開、閉する連通弁油圧回路を設ける
ことを特徴とするメカニカルブレーキ付油圧モー
タ式旋回駆動装置。 (2) 連通弁は絞り付連通弁である請求項１記載
のメカニカルブレーキ付油圧モータ式旋回駆動装
置。 (3) 連通弁は油圧モータの油圧信号によつて作
動する油圧バルブである請求項１または２に記載
のメカニカルブレーキ付油圧モータ式旋回駆動装
置。 (4) 連通弁は油圧モータの電気信号によつて作
動するソレノイドバルブである請求項１または２
に記載のメカニカルブレーキ付油圧モータ式旋回
駆動装置。[Claims for Utility Model Registration] (1) In a hydraulic motor-type swing drive device with a mechanical brake that supplies pressure oil discharged from a hydraulic pump via a switching valve, the mechanical brake is connected between both ports of the hydraulic motor. A hydraulic motor-type swing drive device with a mechanical brake, characterized by being provided with a communication valve hydraulic circuit that opens and closes communication in response to activation and release. (2) The hydraulic motor swing drive device with a mechanical brake according to claim 1, wherein the communication valve is a communication valve with a throttle. (3) The hydraulic motor swing drive device with a mechanical brake according to claim 1 or 2, wherein the communication valve is a hydraulic valve operated by a hydraulic signal from a hydraulic motor. (4) Claim 1 or 2, wherein the communication valve is a solenoid valve operated by an electric signal from a hydraulic motor.
Hydraulic motor-type swing drive device with mechanical brake described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6325789U JPH035761U (en) | 1989-06-01 | 1989-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6325789U JPH035761U (en) | 1989-06-01 | 1989-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH035761U true JPH035761U (en) | 1991-01-21 |
Family
ID=31593143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6325789U Pending JPH035761U (en) | 1989-06-01 | 1989-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH035761U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829658A (en) * | 1971-08-21 | 1973-04-19 | ||
| JPS5022184A (en) * | 1973-06-29 | 1975-03-10 | ||
| JPS631061B2 (en) * | 1979-09-06 | 1988-01-11 | Imed Corp |
-
1989
- 1989-06-01 JP JP6325789U patent/JPH035761U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829658A (en) * | 1971-08-21 | 1973-04-19 | ||
| JPS5022184A (en) * | 1973-06-29 | 1975-03-10 | ||
| JPS631061B2 (en) * | 1979-09-06 | 1988-01-11 | Imed Corp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH035761U (en) | ||
| JPS638058A (en) | Antilocking device for wheel | |
| JPH0157963U (en) | ||
| JPS631061U (en) | ||
| JPH03365U (en) | ||
| JPH0369752U (en) | ||
| JPS62159570U (en) | ||
| JPS6448357U (en) | ||
| JPS6411406U (en) | ||
| JPH02120555U (en) | ||
| JPH0293365U (en) | ||
| JPS635056U (en) | ||
| JPH0396437U (en) | ||
| JPS63145763U (en) | ||
| JPH0193309U (en) | ||
| JPH0247406U (en) | ||
| JPS59146649U (en) | hydraulic power transmission device | |
| JPS63190537U (en) | ||
| JPS6231565U (en) | ||
| JPH0293170U (en) | ||
| JPS61169696U (en) | ||
| JPS6394077U (en) | ||
| JPS62159569U (en) | ||
| JPS6429504U (en) | ||
| JPH0625024U (en) | Hydraulic crawler type traveling unit |