JPH0270893U

JPH0270893U -

Info

Publication number: JPH0270893U
Application number: JP14984288U
Authority: JP
Priority date: 1988-11-17
Filing date: 1988-11-17
Publication date: 1990-05-30

Description

[Brief explanation of drawings]

第１図は本考案長尺溶接ワーク支持装置の一実
施例の側面図で、同図Ａは母管が上へ弓なり変形
の場合、同図Ｂは下へ弓なり変形の場合を示し、
第２図は同上の補助受台の拡大図、第３図は補助
受台の油圧回路図である。第４図は従来の支持装
置の側面図である。１……母管、２……枝管、３……走行軸、４…
…ロボツト、５……レール、６……ポジシヨナー
台車、７……ポジシヨナー、８……チヤツク、９
……支持台、１０……補助受台、１１……支持点
、２０……移動架台、２１……昇降シリンダー、
２２……油圧ユニツト、２３……台車、２４……
リミツトスイツチ、３１……油圧ポンプ、３２…
…保持圧力計、３３……保持圧力設定スイツチ、
３４……ポンプ圧力設定スイツチ、３５……ポン
プ圧力計、３６……保持圧力設定リリーフ弁、３
７……アキユムレーター。 Fig. 1 is a side view of an embodiment of the long welding workpiece support device of the present invention, in which Fig. A shows the case where the main tube is deformed in an upward arch, and Fig. B shows the case in which the main pipe is deformed in a downward arch;
FIG. 2 is an enlarged view of the auxiliary pedestal, and FIG. 3 is a hydraulic circuit diagram of the auxiliary pedestal. FIG. 4 is a side view of a conventional support device. 1...Main pipe, 2...Branch pipe, 3...Travel shaft, 4...
...Robot, 5...Rail, 6...Positioner cart, 7...Positioner, 8...Chuck, 9
... Support stand, 10 ... Auxiliary pedestal, 11 ... Support point, 20 ... Moving frame, 21 ... Lifting cylinder,
22...Hydraulic unit, 23...Dolly, 24...
Limit switch, 31...Hydraulic pump, 32...
...Holding pressure gauge, 33...Holding pressure setting switch,
34...Pump pressure setting switch, 35...Pump pressure gauge, 36...Holding pressure setting relief valve, 3
7... Akiyumrator.

Claims

[Scope of utility model registration request]

A positioner or chucking device that supports both ends of a long welding workpiece to be robot welded;
A long piece characterized by comprising an auxiliary pedestal that is installed below the center of gravity of the welding workpiece and detects the supporting load being applied and automatically adjusts the supporting height so that the supporting load is within a preset range. Welding work support device.