JPS5974986U

JPS5974986U - Balancing device for gripping tools

Info

Publication number: JPS5974986U
Application number: JP16939282U
Authority: JP
Inventors: 修森
Original assignee: 油谷重工株式会社
Priority date: 1982-11-08
Filing date: 1982-11-08
Publication date: 1984-05-21

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

[Brief explanation of drawings]

第１図は本考案の実施例の正面図、第２図は第１図のＡ
部の拡大図、第３図は本考案の油圧装置の回路図、第４
図、第５図は本考案の電気装置の回路図、第６図はペダ
ル付切換弁のペダルとリミットスイッチの関係を示す図
である。１・・・旋回装置、３・・・ハンガー、４・・・角度計
、６・・・ビーム、８・・・ローラ、９・・・油圧シリ
ンダ、１０・・・伸縮ビーム、１１・・・油圧シリンダ
、１２・・・鋼管、１３・・・掴み爪、１７・・・リミ
ットスイッチ、２０・・・切換弁、２１・・・ペダル、
２３・・・リミットスイッチ、２６・・・ソレノイド弁
、２９・・・油路、３０・・・チェック弁、３１・・・
油路、３２・・・ソレノイド弁、３９・・・増ｌ］器、
４４・・・手動切換スイッチ。Figure 1 is a front view of an embodiment of the present invention, and Figure 2 is A of Figure 1.
Figure 3 is a circuit diagram of the hydraulic system of the present invention, Figure 4 is an enlarged view of the section.
5 is a circuit diagram of the electrical device of the present invention, and FIG. 6 is a diagram showing the relationship between a pedal and a limit switch of a switching valve with a pedal. DESCRIPTION OF SYMBOLS 1... Swivel device, 3... Hanger, 4... Angle meter, 6... Beam, 8... Roller, 9... Hydraulic cylinder, 10... Telescopic beam, 11... Hydraulic cylinder, 12... steel pipe, 13... gripping claw, 17... limit switch, 20... switching valve, 21... pedal,
23... Limit switch, 26... Solenoid valve, 29... Oil path, 30... Check valve, 31...
Oil line, 32... solenoid valve, 39... liter increaser],
44...Manual changeover switch.

Claims

[Scope of utility model registration request]

a rotating device suspended from the tip of the arm; an angle meter fixed to the rotating device to measure the degree of inclination and emit an electrical signal;
A hanger is installed with a hydraulic cylinder for operating the beam, a beam is suspended from the upper beam via rollers, and a hydraulic cylinder is installed for operating the telescopic beam, and the beam is fitted on both sides of the beam and attached to the side end. A telescoping beam having a gripping claw for gripping a steel pipe, a limit switch that is activated when the steel pipe is gripped, a switching valve provided in a hydraulic cylinder circuit for operating the telescoping beam, and a valve installed downstream thereof that is activated by the limit switch. a bypass circuit for the solenoid valve having a check valve, a solenoid valve provided in a circuit leading from the switching valve to the hydraulic cylinder for beam movement and operated by an electric signal from an angle meter, and one to the solenoid valve; An electric circuit is formed through an amplifier that amplifies the electric signal from the angle meter, and a manual changeover switch, and the solenoid is switched automatically by the electric signal from the anglemeter or manually by the manual changeover switch. A balancing device for a gripper comprising a valve that can be controlled and a circuit leading to an amplifier that is controlled by a limit switch.