EP3768475A1 - Système d'articulation de robot à bras articulé - Google Patents

Système d'articulation de robot à bras articulé

Info

Publication number
EP3768475A1
EP3768475A1 EP19711536.3A EP19711536A EP3768475A1 EP 3768475 A1 EP3768475 A1 EP 3768475A1 EP 19711536 A EP19711536 A EP 19711536A EP 3768475 A1 EP3768475 A1 EP 3768475A1
Authority
EP
European Patent Office
Prior art keywords
cable
structural member
robot
joint arrangement
loop
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.)
Pending
Application number
EP19711536.3A
Other languages
German (de)
English (en)
Inventor
Andre Reekers
Moritz Zasche
Florian ZURMUEHLEN
Wolfgang Schober
Martin Riedel
Jorge Torres
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUKA Deutschland GmbH
Original Assignee
KUKA Deutschland GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUKA Deutschland GmbH filed Critical KUKA Deutschland GmbH
Publication of EP3768475A1 publication Critical patent/EP3768475A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • B25J19/0025—Means for supplying energy to the end effector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J17/00—Joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • B25J19/0025—Means for supplying energy to the end effector
    • B25J19/0029—Means for supplying energy to the end effector arranged within the different robot elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00—Programme-controlled manipulators
    • B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
    • B25J9/108—Bearings specially adapted therefor

Definitions

  • the present invention relates to a hinge assembly for a
  • Articulated robot a articulated robot with the joint assembly and a method for mounting and use of the joint assembly.
  • the object of the present invention is to improve an articulated robot.
  • Claims 7, 9 and 10 provide an articulated robot with at least one hinge assembly described herein, a method of assembling them or their use under protection.
  • the subclaims relate to advantageous developments.
  • a joint arrangement for an articulated-arm robot in particular one or more joint arrangements of an articulated-arm robot (each) has a first structural member and a second one
  • Structural member of the robot which is mounted in a rotary bearing, in one embodiment, is mounted on the first structural member.
  • the or one or more of the joint arrangement (s) in each case a first cable with a, in particular, arranged in the first (respective) structural member,
  • first cable section in particular fastened, first cable section and a, in particular, in the (respective) second structural member arranged, in particular fixed, second cable section, wherein the first and second cable section are connected together in a first, in particular open, cable loop.
  • the or one or more of the joint arrangement (s respectively) one or more further cables, each with a, in particular in, the arranged (in each case) first structural member, in particular fixed, the first cable portion and a, in particular, in the (respective) second
  • Structured member arranged, in particular fixed, second cable section, wherein the first and second cable section are also connected to each other in a, in particular open, (further) cable loop.
  • the (first and / or further) cable loop in one embodiment (in each case) connects to the (respective) first and / or second cable section or merges into it (s).
  • the (first and / or further) cable loop runs or rolls in one embodiment upon rotation of first and second structural member against each other from and on and thus advantageously compensates for the change in the distance between the first and second cable section or is provided for this purpose, in particular furnished or is used for this purpose.
  • the cable loops are or are the one, in one embodiment of all) cables, in each of which a, in particular in, the first structural member arranged, in particular fastened, first cable portion and a, in particular, arranged in the second structural member, in particular fastened, second cable section are connected, arranged one inside the other and / or curved in the same direction and / or run in the same direction or on one side and / or surround the pivot bearing in the same direction or on one or the same side or are arranged or become such used.
  • a diameter of the joint arrangement relative to a design in which at least two cable loops are opposite to each other in opposite directions, run in opposite directions or the
  • a radial offset between the first cable sections, a radial offset between the second cable sections and / or a radial offset between the cable loops (respectively) smaller than, in particular minimum, maximum and / or average, cable diameter, in particular in one or several of the cable loops.
  • a radial offset is understood in particular to mean a distance in a radial direction which is perpendicular to a rotational axis and a rotational direction of the rotary bearing, between surface center points of the corresponding cables.
  • a diameter of the joint arrangement with respect to a design in which at least two cable loops overlap in opposite directions advantageously (further) can be reduced.
  • the joint arrangement has a second cable with a, in particular, in the first structural member arranged, in particular fixed, first cable portion and, in particular, arranged in the second structural member, in particular fixed, second cable portion, wherein the first and second cable portion of the second cable are connected in a second cable loop, and wherein the second cable loop of the first cable loop of the first cable, in one embodiment always overlapping, opposite or the first and second cable loop are arranged such or used.
  • the joint arrangement can comprise one or more further cables, each with a first cable section arranged on, in particular, the first structural member, and a second cable section arranged, in particular fastened, in particular in the second structural member first and second cable portion are each connected in a cable loop and this and the first cable loop arranged inside each other and / or curved in the same direction and / or run in the same direction and / or embrace the pivot bearing in the same direction, and wherein this cable loop (s) is arranged / are such or will / will, that they always opposite to the second cable loop overlap / face each other.
  • the hinge assembly in one embodiment, one or more further cables, each with a, in particular, the first structural member to ordered, in particular fixed, first cable section and a, in particular, arranged in the second structural member, in particular fixed, second cable section have, wherein the first and second
  • Cable section are each connected in a cable loop and this and the second cable loop arranged inside each other and / or curved in the same direction and / or run in the same direction and / or embrace the pivot bearing in the same direction, and wherein this cable loop (s) is arranged / are such or
  • an axial height of the joint arrangement can be reduced.
  • the joint arrangement has a torque sensor for detecting an axle torque between the first and second structural member and / or an electric drive for adjusting the first and second
  • the present invention can, in particular due to an advantageous reduced influence of the cable stiffness or cable restoring force, with
  • Electric drive in particular axially, (in each case) at least partially covered by the first cable loop.
  • an axial height of the joint arrangement can be reduced.
  • the first cable in a development, also the second and / or one or more of said other cables, (one) or one several electrical, hydraulic and / or pneumatic line (s),
  • first cable in a development, the second and / or one or more of said other cables, (respectively) a
  • distal or (robot) base remote actuators and / or sensors can be advantageously supplied with energy, signals and / or working means.
  • the axis of rotation of the pivot bearing of the joint assembly is a bending axis of the robot.
  • the rotational axis of the pivot bearing of the hinge assembly is used as a bending axis of the robot.
  • the articulated robot on at least two of the joint arrangements described herein, wherein the axes of rotation (the pivot bearing) of these joint assemblies in one embodiment are parallel or perpendicular to each other and / or follow one another. It has surprisingly been found that with such
  • Joint arrangements straight parallel and mutually perpendicular, in particular successive, axes of rotation can be particularly advantageously represented, in particular one (counted from the robot base) second, third and / or fifth axis of rotation. Accordingly, in one embodiment, a (from the Robot base of counted) second, third and / or fifth axis of rotation a
  • the first cable loop is laid, in one, for mounting a joint arrangement described here
  • Fig. 1 an articulated robot according to an embodiment of the present invention
  • Fig. 2 a hinge assembly of the articulated robot according to an embodiment of the present invention.
  • Fig. 3 a hinge assembly of the articulated robot according to another embodiment of the present invention.
  • Pivot bearings are labeled A1, ..., A6, the structural members 11, ..., 17.
  • Fig. 2 shows in a plan view perpendicular to its axis of rotation a
  • the axis of rotation Ai of FIG. 2 may be in particular the bending axis A5.
  • the hinge arrangement has a pivot bearing 100, which is indicated only schematically, in which a first structural member 1 i and a second structural member 1 (i + 1) of the
  • Robot for example, so the structural members 15, 16, are stored flying on each other. Additionally or alternatively, with 100 also a torque sensor for
  • the joint arrangement has a total of four cables 20, 30, 40, 50, each with a first cable section 1 arranged on the first structural member 1, of which in FIG. 2, for better clarity, only the first cable section 51 of the cable 50
  • Fig. 3 shows in Fig. 2 corresponding view of a hinge assembly of
  • Knickarmroboters according to another embodiment of the present invention, in turn, for better clarity, only the first cable section 31 and 51 and the second cable section 32 and 52 of the cable 30 and 50 is designated.
  • the axis of rotation Ai of FIG. 3 may be in particular the bending axis A2 or A3.
  • Corresponding features are identified by identical reference numerals, so that reference is made to the above description and will be discussed below only differences.
  • the cable loops 23, 33, 43 and 53 are arranged such that the cable loop 23 and the cable loop 33, the cable loops 43 and 53 are always opposite overlapping and
  • Cable loops 23 and 33 are always opposite overlap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

L'invention concerne un système d'articulation pour un robot à bras articulé, comprenant un premier élément structurel (12, 15) et un deuxième élément structurel (13, 16) du robot, qui est monté dans un palier pivotant (100), en particulier en porte-à-faux, sur le premier élément structurel (12, 15), et un premier câble (50) présentant une première section de câble (51) disposée sur le premier élément structurel (12, 15) et une deuxième section de câble (52) disposée sur le deuxième élément structurel (13, 16), la première et la deuxième sections de câble (51, 52) étant reliées dans une première boucle de câble (53). Dans une réalisation, le système d'articulation est équipé d'un capteur de couple.
EP19711536.3A 2018-03-21 2019-03-11 Système d'articulation de robot à bras articulé Pending EP3768475A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018204308.6A DE102018204308A1 (de) 2018-03-21 2018-03-21 Knickarmroboter-Gelenkanordnung
PCT/EP2019/055964 WO2019179803A1 (fr) 2018-03-21 2019-03-11 Système d'articulation de robot à bras articulé

Publications (1)

Publication Number Publication Date
EP3768475A1 true EP3768475A1 (fr) 2021-01-27

Family

ID=65812282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19711536.3A Pending EP3768475A1 (fr) 2018-03-21 2019-03-11 Système d'articulation de robot à bras articulé

Country Status (5)

Country Link
US (1) US20210023722A1 (fr)
EP (1) EP3768475A1 (fr)
CN (1) CN111886114A (fr)
DE (1) DE102018204308A1 (fr)
WO (1) WO2019179803A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2598137B2 (ja) * 1989-10-05 1997-04-09 川崎重工業株式会社 産業用ロボット
JP2010064157A (ja) * 2008-09-08 2010-03-25 Toyota Motor Corp ケーブル配線構造
CN103042536A (zh) * 2013-01-23 2013-04-17 北京理工大学 一种机器人旋转关节的防绕线装置
JP6337432B2 (ja) * 2013-09-10 2018-06-06 セイコーエプソン株式会社 関節駆動装置及びロボット
JP2015054389A (ja) * 2013-09-13 2015-03-23 セイコーエプソン株式会社 ロボットアームおよびロボット
JP2016022571A (ja) * 2014-07-24 2016-02-08 株式会社安川電機 ロボットの関節機構およびロボット
JP6752576B2 (ja) * 2016-01-13 2020-09-09 キヤノン株式会社 駆動機構、ロボット装置、駆動機構の制御方法、ロボット装置の制御方法、物品の製造方法、制御プログラム、記録媒体、及び支持部材

Also Published As

Publication number Publication date
DE102018204308A1 (de) 2019-09-26
CN111886114A (zh) 2020-11-03
US20210023722A1 (en) 2021-01-28
WO2019179803A1 (fr) 2019-09-26

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