JPH0210400U

JPH0210400U -

Info

Publication number: JPH0210400U
Application number: JP8763988U
Authority: JP
Priority date: 1988-06-30
Filing date: 1988-06-30
Publication date: 1990-01-23

Description

[Brief explanation of the drawing]

第１図、第２図、第３図は、本考案の第一実施
例に係る回動装置を示す中立時の略式平面図、油
圧回路図、電気回路図。第４図、第５図、第６図
は、左回動時の略式平面図、油圧回路図、電気回
路図。第７図、第８図、第９図は、右回動時の略
式平面図、油圧回路図、電気回路図。第１０図、
第１１図、第１２図は、本考案の第二実施例に係
る回動装置を示す中立時の略式平面図、油圧回路
図、電気回路図。第１３図、第１４図、第１５図
は、左回動時の略式平面図、油圧回路図、電気回
路図。第１６図、第１７図、第１８図は、右回動
時の略式平面図、油圧回路図、電気回路図。第１
９図、第２０図、第２１図は、本考案の第三実施
例に係る回動装置を示す中立時の略式平面図、油
圧回路図、電気回路図。第２２図、第２３図、第
２４図は、左回動時の略式平面図、油圧回路図、
電気回路図。第２５図、第２６図、第２７図は、
右回動時の略式平面図、油圧回路図、電気回路図
。第２８図、第２９図は、従来の回動装置を示す
略式平面図、油圧回路図。第３０図、第３１図は
、従来の他の回動装置を示す略式平面図、油圧回
路図である。１……回動装置、２……固定体、３……回動体
、４……油圧駆動機、５……油圧発生機、６……
制御弁、７……検出器、８……中立制御器。 1, 2, and 3 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram in a neutral state, showing a rotating device according to a first embodiment of the present invention. FIG. 4, FIG. 5, and FIG. 6 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram at the time of left rotation. FIG. 7, FIG. 8, and FIG. 9 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram at the time of clockwise rotation. Figure 10,
11 and 12 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram in a neutral state showing a rotation device according to a second embodiment of the present invention. FIG. 13, FIG. 14, and FIG. 15 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram at the time of left rotation. FIG. 16, FIG. 17, and FIG. 18 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram at the time of clockwise rotation. 1st
9, FIG. 20, and FIG. 21 are a schematic plan view, a hydraulic circuit diagram, and an electric circuit diagram in a neutral state showing a rotation device according to a third embodiment of the present invention. Figures 22, 23, and 24 are a schematic plan view when rotating to the left, a hydraulic circuit diagram,
Electrical circuit diagram. Figures 25, 26, and 27 are
A schematic plan view, hydraulic circuit diagram, and electric circuit diagram when turning to the right. FIG. 28 and FIG. 29 are a schematic plan view and a hydraulic circuit diagram showing a conventional rotation device. FIGS. 30 and 31 are a schematic plan view and a hydraulic circuit diagram showing another conventional rotating device. 1...Rotating device, 2...Fixed body, 3...Rotating body, 4...Hydraulic drive machine, 5...Hydraulic pressure generator, 6...
Control valve, 7...detector, 8...neutral controller.

Claims

[Scope of utility model registration request]

A fixed body, a rotating body rotatably provided on the fixed body, a hydraulic drive machine that rotates the rotating body neutrally, counterclockwise, and clockwise relative to the fixed body, and a hydraulic generator that generates pressure oil. , a control valve that controls pressure oil from the hydraulic generator to the hydraulic drive machine, a detector that detects the rotating state of the rotating body, and a control valve that controls the rotating body based on the rotating state of the rotating body detected by the detector. and a neutral controller that controls a control valve to return the control valve to neutral.