JPH0170950U - - Google Patents
Info
- Publication number
- JPH0170950U JPH0170950U JP1987167104U JP16710487U JPH0170950U JP H0170950 U JPH0170950 U JP H0170950U JP 1987167104 U JP1987167104 U JP 1987167104U JP 16710487 U JP16710487 U JP 16710487U JP H0170950 U JPH0170950 U JP H0170950U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- hydraulic motor
- reverse rotation
- forward rotation
- relay
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Working Measures On Existing Buildindgs (AREA)
- Crushing And Grinding (AREA)
- Shovels (AREA)
Description
第１図はこの考案にかかる油圧モータ制御用電
気回路図、第２図は油圧モータ作動用油圧回路図
、第３図はフロント先端部に破砕機を取付けた油
圧シヨベルの側面図、第４図は破砕機の一部切欠
側面図である。
７……油圧モータ、８……正転スイツチ、９…
…逆転スイツチ、１０，１１……リレー、１２，
１３……電磁コイル、１４，１５……切換スイツ
チ、１６，１７……ダイオード、１８……電源、
２７……制御用電磁弁、２８，２９，３１……ソ
レノイド、３０……電磁開閉弁。
Figure 1 is an electric circuit diagram for controlling the hydraulic motor according to this invention, Figure 2 is a hydraulic circuit diagram for operating the hydraulic motor, Figure 3 is a side view of a hydraulic excavator with a crusher attached to the front end, and Figure 4. is a partially cutaway side view of the crusher. 7...Hydraulic motor, 8...Forward rotation switch, 9...
... Reverse switch, 10, 11... Relay, 12,
13... Electromagnetic coil, 14, 15... Changeover switch, 16, 17... Diode, 18... Power supply,
27... Control solenoid valve, 28, 29, 31... Solenoid, 30... Solenoid on/off valve.
Claims (1)
ツト部と作業機具本体部とを回転装置を介して連
結し、その回転装置に装備した油圧モータを回転
作動させて上記作業機具本体の作業対応方向を調
整可能とした回転式作業機具を装着した作業車両
において、上記油圧モータの正転スイツチ、逆転
スイツチのそれぞれ上流側に、電磁コイルおよび
切換スイツチを有するリレーを接続し、そのリレ
ー内切換スイツチの基接点をそれぞれ電源側に連
結し、上記正転および逆転スイツチのオフ操作時
には電源側と正転、逆転スイツチとを、それぞれ
逆転側、正転側リレー内切換スイツチの一方の接
点および正転側、逆転側リレー内電磁コイルを通
じて連通し、さらに上記切換スイツチの他方の接
点下流側をそれぞれ油圧モータ制御用電磁弁の左
右ソレノイドに連通するとともに、上記他方の接
点とパイロツト回路用電磁開閉弁のソレノイドと
をそれぞれダイオードを介して連通し、また、正
転、逆転スイツチのうちいずれか一方のオン操作
時に、そのスイツチ上流側のリレー内電磁コイル
の通電に連動する切換スイツチの切換作動により
、その切換スイツチを介して電源側と、上記電磁
開閉弁用ソレノイド、および油圧モータ制御用電
磁弁のいずれか一方のソレノイドとを連通可能に
構成したことを特徴とする車両用油圧モータ制御
回路。 The bracket part to be attached to the front end of the vehicle and the main body of the work tool are connected via a rotating device, and the hydraulic motor installed in the rotating device is rotated to adjust the working direction of the main body of the work tool. In a work vehicle equipped with a rotary work tool, a relay having an electromagnetic coil and a changeover switch is connected upstream of the forward rotation switch and reverse rotation switch of the hydraulic motor, respectively, and the base contact of the changeover switch in the relay is connected to the upstream side of the forward rotation switch and reverse rotation switch of the hydraulic motor. Each is connected to the power supply side, and when the forward rotation and reverse rotation switches mentioned above are turned off, the power supply side and the forward rotation and reverse rotation switches are connected to one contact of the switching switch in the relay for the reverse rotation side and the forward rotation side, and the forward rotation side and reverse rotation side, respectively. They communicate through the electromagnetic coil in the relay, and further communicate the other contact downstream of the changeover switch with the left and right solenoids of the hydraulic motor control electromagnetic valve, respectively, and connect the other contact with the solenoid of the pilot circuit electromagnetic on-off valve, respectively. Communication is made through a diode, and when either the forward rotation or reverse rotation switch is turned on, the changeover switch is linked to the energization of the electromagnetic coil in the relay upstream of that switch. A hydraulic motor control circuit for a vehicle, characterized in that the power supply side is configured to communicate with one of the solenoid for the electromagnetic on-off valve and the solenoid for controlling the hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16710487U JPH068202Y2 (en) | 1987-10-30 | 1987-10-30 | Hydraulic motor control circuit for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16710487U JPH068202Y2 (en) | 1987-10-30 | 1987-10-30 | Hydraulic motor control circuit for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0170950U true JPH0170950U (en) | 1989-05-11 |
| JPH068202Y2 JPH068202Y2 (en) | 1994-03-02 |
Family
ID=31455096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16710487U Expired - Lifetime JPH068202Y2 (en) | 1987-10-30 | 1987-10-30 | Hydraulic motor control circuit for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068202Y2 (en) |
-
1987
- 1987-10-30 JP JP16710487U patent/JPH068202Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068202Y2 (en) | 1994-03-02 |