Изобретение относитс к робототехнике, в частности к манипул торам, предназначенным дл работы в труднодоступных местах , например дл выполнени окрасочных операций сложных внутренних полостей объектов.The invention relates to robotics, in particular, to manipulators designed to work in hard-to-reach places, for example, to perform painting operations on complex internal cavities of objects.
Цель изобретени - расширение функциональных возможностей и повышение надежности .The purpose of the invention is to enhance functionality and increase reliability.
На фиг. изображено исполнительное устройство промышленного робота, общий вид; на фиг.2 - разрез А-А на фиг.1; на фиг.З - соединение полого жесткого стержн с фланцем модул посредством шарнира Гука; на фиг.4 - сечение Б-Б на фиг.З.FIG. shows the actuating device of an industrial robot, general view; figure 2 - section aa in figure 1; on fig.Z - connection of a hollow rigid rod with a flange of the module by means of a Hook hinge; figure 4 - section bb in fig.Z.
Исполнительное устройство промышленного робота выполнено в виде р да гибких секций, состо щих из последовательно соединенных идентичных модулей 1. Каждый модуль 1 выполнен в виде двух фланцев 2 и 3, соединенных между собой упругим элементом 4, причем фланцы 2 и 3 смежных модулей соединены жестко. По всей длине секции через периферийные отверсти 5-8, выполненные во фланцах, пропущены гибкие приводные т ги 9 и 10, которые одним концом жестко закреплены на фланце 2 последнего от основани модул , а другим прикреплены к валам 11 и 12 соответствующих приводов, например двигателей 13 и 14, причем в каждом фланце 2 и 3 выполнено центральное отверстие. Каждый модуль 1 снабжен жестким стержнем 15, расположенным в центральном отверстии каждого фланца 2 и 3 и шарнирно соедин ющим их. Дл обеспечени пространственных перемещений фланцы модул соедин ютс с жестким стержнем с помощью сферических шарниров 16-18 (фиг.1) или с помошью шарнира Гука (фиг.З).The actuator of an industrial robot is made up of a series of flexible sections consisting of consecutively connected identical modules 1. Each module 1 is made up of two flanges 2 and 3 interconnected by an elastic element 4, and the flanges 2 and 3 of adjacent modules are rigidly connected. Through the entire length of the section, through the peripheral holes 5-8, made in the flanges, flexible drive rods 9 and 10 are missed, which are rigidly fixed at one end to the flange 2 of the latter from the base of the module, and the other are attached to the shafts 11 and 12 of the respective drives, for example 13 and 14, with a central hole in each flange 2 and 3. Each module 1 is provided with a rigid rod 15 located in the central opening of each flange 2 and 3 and pivotally connecting them. To ensure spatial movement, the flanges of the module are connected to a rigid rod using spherical hinges 16–18 (FIG. 1) or Hooke’s hinge (FIG. 3).
Длины жестких стержней 15 АБ превышают рассто ние ВГ между центрами шарниров 17 и 18 одного модул 1. Соединительные жесткие стержни 15 выполн ютс полыми, и в их полости расположен трос 19 механизма нат жени , жестко закрепленный на фланце последнего от основани модул , и прикреплен к основанию 20 через пружину 21 раст жени этого механизма нат жени .The lengths of rigid rods 15 AB exceed the distance VG between the centers of the hinges 17 and 18 of one module 1. The connecting rigid rods 15 are hollow, and in their cavity is located the cable 19 of the tensioning mechanism, rigidly fixed on the flange of the latter from the base of the module, and attached to The base 20 through the spring 21 stretch this tension mechanism.
Центры шарниров 16 и 17 двух смежных модулей отсто т друг от друга на рассто нии ВД, равном рассто нию ВГ между центрами шарниров 17 и 18 одного модул 1.The centers of the hinges 16 and 17 of two adjacent modules are spaced apart from each other by a VD distance equal to the VG distance between the centers of the hinges 17 and 18 of one module 1.
Устройство работает следующим образом. Под действием управл ющих моментов двигателей 13 и 14 привод тс в движение валы 11 и 12, на них наматываютс соответствующие гибкие приводные т ги 10 и 9. Фланец 2 поворачиваетс относительно полого жесткого стержн 15, св занного с ним сферическим шарниром (шарниром Гука). В свою очередь, полый жесткийThe device works as follows. Under the action of the control moments of the motors 13 and 14, the shafts 11 and 12 are driven, corresponding flexible drive rods 10 and 9 are wound on them. The flange 2 is rotated relative to the hollow rigid rod 15 connected with it by a spherical hinge (Hook hook). In turn, hollow hard
стержень 15 поворачиваетс относительно фланца 3, также св занного с ним идентичным сферическим шарниром (шарниром Гука ) 17. В целом фланец 2 измен етthe rod 15 rotates relative to the flange 3, which is also associated with it by an identical spherical hinge (Hooke’s hinge) 17. In general, the flange 2 changes
свое положение относительно фланца 3. Такие изменени происход т в каждом модуле гибкой секции, и, следовательно вс гибка секци деформируетс и занимает положение, показанное на фиг.1. При изменении конфигурации всей гибкойits position relative to flange 3. Such changes occur in each module of the flexible section, and therefore the entire flexible section is deformed and takes the position shown in Fig. 1. When you change the configuration of all flexible
секции выт гиваетс трос 19 механизма нат жени , пропущенный внутри полых жестких стержней 15. Пружина 21 механизма нат жени раст гиваетс , и возникают усили , стрем щиес вернуть гибкую систему в начальное положение. Эти усили способствуют увеличению жесткости и грузоподъемности всей системы. Соотношение длин в полом жестком стержне 15 АБ ВГ увеличивает величину раст жени пружины 21 при отклонении системы от своего начальногоThe sections of the tension mechanism cable 19 are pulled through the hollow rigid rods 15. The tension mechanism spring 21 is stretched, and forces arise that tend to return the flexible system to its initial position. These forces contribute to the stiffness and carrying capacity of the entire system. The ratio of lengths in a hollow rigid rod 15 AB VG increases the amount of tension of the spring 21 when the system deviates from its initial
0 положени . Равенство рассто ний между центрами шарниров смежных (соседних) модулей рассто нию между центрами шарниров одного модул ДВ ВГ (фиг.1) позвол ет получить в качестве модели системы регул рную структуру. Модель представл ет0 position The equality of the distances between the centers of the hinges of adjacent (adjacent) modules to the distance between the centers of the hinges of one module of the VG VG (Fig. 1) makes it possible to obtain a regular structure as a model of the system. The model represents
5 собой стержни одинаковой длины, соединенные между собой однотипными шарнирами . Упрощаетс запись системы уравнений дл решени задач позиционировани .5 rods of the same length, interconnected by the same type of hinges. Simplified is the recording of a system of equations for solving positioning problems.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU853972122ASU1301701A1 (en) | 1985-11-04 | 1985-11-04 | Industrial robot actuating device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU853972122ASU1301701A1 (en) | 1985-11-04 | 1985-11-04 | Industrial robot actuating device |
| Publication Number | Publication Date |
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| SU1301701A1true SU1301701A1 (en) | 1987-04-07 |
| Application Number | Title | Priority Date | Filing Date |
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| SU853972122ASU1301701A1 (en) | 1985-11-04 | 1985-11-04 | Industrial robot actuating device |
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