JPS6361464U - - Google Patents
Info
- Publication number
- JPS6361464U JPS6361464U JP15422586U JP15422586U JPS6361464U JP S6361464 U JPS6361464 U JP S6361464U JP 15422586 U JP15422586 U JP 15422586U JP 15422586 U JP15422586 U JP 15422586U JP S6361464 U JPS6361464 U JP S6361464U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- swing motor
- check valve
- valve
- hydraulic circuit
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図および第２図は本考案のブレーキ付旋回
モータ用油圧回路図、第３図は従来技術の油圧回
路図である。
１……ブレーキ付旋回モータ、２……ブレーキ
機構、４……旋回モータ、９……旋回切換弁、１
２……シヤトル弁、１４……パイロツトポンプ、
１７……操作レバ、３４，３５……チエツク弁、
３６……絞り部。
1 and 2 are hydraulic circuit diagrams for a swing motor with a brake according to the present invention, and FIG. 3 is a hydraulic circuit diagram of the prior art. 1...Swivel motor with brake, 2...Brake mechanism, 4...Swivel motor, 9...Swivel switching valve, 1
2... Shuttle valve, 14... Pilot pump,
17...operation lever, 34, 35...check valve,
36... Aperture section.
Claims (1)
動し、またリモコン操作用パイロツトバルブの正
逆出力側ポート間に設けたシヤトル弁を介しパイ
ロツトポンプからの圧油をブレーキ機構に作用せ
しめてブレーキ解除を行なう如くしたブレーキ付
旋回モータ用油圧回路において、上記旋回モータ
の正転および逆転用ポートにそれぞれ補給油供給
可能にチエツク弁を設け、そのそれぞれチエツク
弁の上流側を接続するとともに、そのチエツク弁
上流側と上記シヤトル弁とを絞り部を介して連結
せしめたことを特徴とする建設機械のブレーキ付
旋回モータ用油圧回路。 The brake is activated by the spring force on the swing shaft of the swing motor, and the brake is released by applying pressure oil from the pilot pump to the brake mechanism via the shuttle valve installed between the forward and reverse output ports of the pilot valve for remote control operation. In a hydraulic circuit for a swing motor with a brake, a check valve is provided in each of the normal rotation and reverse rotation ports of the swing motor so that replenishment oil can be supplied, and the upstream side of each check valve is connected, and the check valve A hydraulic circuit for a swing motor with a brake of a construction machine, characterized in that an upstream side and the above-mentioned shuttle valve are connected through a throttle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15422586U JPS6361464U (en) | 1986-10-06 | 1986-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15422586U JPS6361464U (en) | 1986-10-06 | 1986-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6361464U true JPS6361464U (en) | 1988-04-23 |
Family
ID=31073829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15422586U Pending JPS6361464U (en) | 1986-10-06 | 1986-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6361464U (en) |
-
1986
- 1986-10-06 JP JP15422586U patent/JPS6361464U/ja active Pending
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