IP Library Granted Patent US 11,331,817
Granted Patent B2
US 11,331,817 · App. 16/795,976 · Granted May 17, 2022

Maintenance apparatus of robot and maintenance method of robot

Inventor: Shunsuke Satou (Yamanashi, JP)
Assignee: FANUC CORPORATION
B25J19/0066B25J5/02B66F3/24
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Quick Facts
Patent No.
US 11,331,817
App. No.
16/795,976
Granted
May 17, 2022
Kind
B2
Abstract

A maintenance apparatus of a robot includes a pair of parallel rails removably installed on opposite sides in a predetermined direction to a robot, and a number of sliders, at least one of the number of sliders is attached to each of the pair of rails, and each of the sliders is configured to support an arm part or a reducer of the robot, and move the supported arm part or reducer along the rails.

Claims (39)

1. A maintenance apparatus of a robot, comprising:

a pair of parallel rails removably installed on opposite sides in a predetermined direction to the robot, and

a plurality of sliders, wherein at least one slider is attached to each of the pair of rails,

each of the sliders is configured to support an arm part or a reducer of the robot, and each of the sliders are configured to move the supported arm part or reducer along the rails,

the pair of rails are removably attached to a base part of the robot,

the maintenance apparatus of the robot further comprises a pair of rail fixing members to which lower end portions of the pair of rails are fixed,

each of the rails is fixed to the base part via the rail fixing member,

a female screw hole extending through each of the rail fixing members in an up-down direction is provided in a portion of each of the rail fixing members on a side opposite to the base part, and

an adjustment member is screwed into the female screw hole, and a lower end of the adjustment member is in contact with the base part or an installation surface on which the base part is installed.

2. A maintenance apparatus of a robot, comprising:

a pair of parallel rails removably installed on opposite sides in a predetermined direction to the robot, and

a plurality of sliders, wherein at least one of the plurality of sliders is attached to each of the pair of rails,

each of the sliders is configured to support an arm part or a reducer of the robot, and each of the sliders are configured to move the supported arm part or reducer along the rails,

the maintenance apparatus of the robot further comprises:

a plurality of jacks supported by the plurality of sliders, respectively, wherein the plurality of jacks jack up the arm part or the reducer; and

a robot side member fixed to the arm part of the robot,

a lower end of each of the jacks is supported by the slider, and an upper end of each of the jacks is fixed to the robot side member,

an attachment hole to fix the upper end of the jack is provided in the robot side member, and

the attachment hole is an elongated hole that is elongated in the predetermined direction.

3. A maintenance apparatus of a robot, comprising:

a pair of parallel rails removably installed on opposite sides in a predetermined direction to the robot, and

a plurality of sliders, wherein at least one of the plurality of sliders is attached to each of the pair of rails,

each of the sliders is configured to support an arm part or a reducer of the robot, and each of the sliders are configured to move the supported arm part or reducer along the rails,

the maintenance apparatus of the robot further comprises:

a plurality of jacks supported by the plurality of sliders, respectively, wherein the plurality of jacks jack up the arm part or the reducer; and

a robot side member fixed to the arm part of the robot,

a lower end of each of the jacks is supported by the slider, and an upper end of each of the jacks is fixed to the robot side member,

the maintenance apparatus of the robot further comprises:

a plurality of pillar members attached to the plurality of sliders, respectively, after the arm part is jacked up by the plurality of jacks, and

a lower end of each of the pillar members is attached to the slider, and an upper end of each of the pillar members is attached to the robot side member.

4. The maintenance apparatus of the robot according to claim 3 , wherein each of the pillar members includes an adjuster to change a height of the robot side member to the slider.

5. The maintenance apparatus of the robot according to claim 1 , wherein each of the plurality of rails comprises two sliders.

6. The maintenance apparatus of the robot according to claim 2 , wherein each of the plurality of rails comprises two sliders, and

the arm part is jacked up by the plurality of jacks in a state where the two sliders attached to one rail of the pair of rails are away from each other in a longitudinal direction of the rail.

7. The maintenance apparatus of the robot according to claim 1 , further comprising:

a brake that is provided in each of the plurality of sliders and that regulates movement of the slider to the rail.

8. The maintenance apparatus of the robot according to claim 1 , further comprising:

a frame supported by a pair of the plurality of sliders that are attached to each of the pair of rails, and

a suspension mechanism suspended from an upper end portion of the frame, wherein the suspension mechanism is configured to suspend the reducer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 20, 2020
From: SATOU, SHUNSUKE
To: FANUC CORPORATION
Reel/Frame 051873/0411 →
Priority Claims (1)
JP JP2019-082855 · Apr 24, 2019 · national
Continuity (1)
Related Publication 20200338759A1 · Oct 29, 2020