• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    This invention relates to robotics and can be used in transmission heads for manipulators. The purpose of the invention is to simplify the software control of the movement of the last link by compensating for the movements of the middle links of the head. On the boom 1 the first link 2 is installed with the possibility of rotation around the longitudinal axis 3. The first link 2 has the middle link 4 installed with the possibility of rotation around the oblique axis 5. The final link 6 is installed on the middle link 4 with the possibility of rotation around the oblique axis 7. Tool carrier 8 can be alternately mounted stationary or rotatably on the final link 6 of the head. The drive shafts are kinematically connected with the appropriate link and tool carrier. The kinematic chains run along inclined axes and include gearboxes and hollow shafts placed in the hollow links, at the ends of which bevel gears are placed. The gear ratio of the gearbox between the end link of the head and the middle link of the head differs from the gear ratio of the gearbox between the middle link of the head and the first link of the head in one turn. 1 hp f-ly, 8 ill.
    公开号:SU1524801A3
    申请号:SU864028673
    申请日:1986-12-18
    公开日:1989-11-23
    发明作者:Циммер Эрнст
    申请人:Кука Швейсанлаген Унд Роботер У Гмбх (Фирма)；
    IPC主号:
    专利说明:

    FI.1
    3152 801
    i ,. - genius refers to robotics and can be used in ho10
    15
    20
    thirty
    transfer for manipulators.
    Ii- ;; I. of the invention — simplification of the flow control of the last link of its south link by compensating for the moving middle links of the head,
    d fig. 1 schematically shows a transmission box for manipulators}. and the position of its parts, with uka; in fig. 2 - head with sims; m1-: skin image kinematic- 1:. ; P, vertical cut} on. 3 8 is a simplified depiction of fM tecKHx circuits in the region of the middle and o it of the first links of the transfer head, L. in-ji execution.
    Golotka front has a main Hecyi. El-Een anipulor, for example, arrow 1, from which the link 2 is installed, but with the possibility of X-axis: around the longitudinal (main) axis 3. ia of the first link 2 head uss (anovulsio a similar link i with 25) Turning around the axis of the axis 5. Kc - the horizontal 6 is set at an average of 3 zenas with a possible rotation of the roundabout axis 7. The carrier 8 can be positioned alternately fixedly with the keyboard;) you can likewise; :: o; 1ech-link 6 golop -;:; I .pcnaMiu 3 case of the installation of new-:. and (ate; on instr. /. with posmOX;); T: fiOi. : pO.-: its axis of rotation npennc -iT .iTCjT lips on the surface is sos-ned to the main axis:; - 3.
    ivO-fe axis:; and 7: -: -; tanozlsny so, chgs OH1-1 longitudinally; axis 3 CCPA, namely G LC,
     1-; about coal and: openings. From ripoTHiDono-, 1X directions. Sang a star & 4 and 6 | Opoz; and r epGp,; ii-in; 1g; if KocLix axles 5 and 7 are rotated, then the maximum clearance 1 is obtained: I have an axis. -. Stints, b: Direction of action can be realized with the help of a p, an; e and the opposite direction. strep. 1. At the same time, acute angles can be of various sizes, for example, and o. In the boom 1, as well as on the input side of the nepGoro link 2, the transmission heads are provided with a fully-installed 1O1-zlchnn1: .1e incoming vali 9n10. Iara: lb: npi water shaft 9 is brought into production through a pair of spur gears 11 and 12 with an eccentric stopper with a single vap 13. Such a drive gear 9 drives through vy50
    55
    35
    BEFORE
    four
    five
    0
    0
    five
    juice reduction gear (gearbox) 14 first zeno 2, mounted on the boom 1 with the possibility of rotation.
    The drive shaft 9 located inside drives a pair of bevel gears 15, an oblique shaft 1b, a pair of bevel gears 17, an oblique shaft 18 and a pair of bevel gears 19, a drive shaft 20 to which the tool carrier 8 is connected.
    A shaft 10 mounted inside the pillow actuates, through a pair of bevel gears 21, oblique hollow shaft 22, and a pair of bevel gears 23 - oblique hollow shaft 2k.
    Both hollow shafts 22 and are installed in the middle link of the head can be rotated and are connected to high-reduction gears 25 and 26. The reduction gear 25 is supported on the first link 2 of the head and actuates, for example, the reduction ratio X, the middle link of the head. Downshift 26 is supported on the middle link 4 of the head and with reduction X-1 drives the final link 6 of the head. In addition, it is important to do this when it is executed. that the direction 27 of rotation of the end link 6 of the head is opposite to the direction 28 of rotation of the oblique hollow shaft, with water and; This action is the final link 6 goal & vki. Such a difference in the ratio of poi, |) nenil of both reduction gears 25 and 2b, as well as the correct choice of the direction of rotation of individual shafts and parts of the heads, causes the SDCfibHh and 6 heads to perform the same large rotational motions, although they drive joint driving shafts are operated and oTHoci are performed; each other's movement
    In the performance tracker of FIG. 3, the carrier 8 should be set in motion (FIGS. 1 and 2). As a result, the slanting shafts 1b and 1B installed inside are connected to each other 0 by a pair of 17 bevel gears.
    During downshift 25, the steel ring 29 rests on the first link 2 of the head, the steel ring 30 is driven by a reduction with a ratio of 100: 1, based on the number of teeth 200 on the steel ring 29 and the number of teeth 202 on the steel ring 30.
    five
    ABOUT .
    five
    5152
    The oblique hollow shafts 22 and 2 are connected to each other by a pair of bevel gears 23 so that they rotate in the same direction. A boom shaft depicted in this area of the hollow shaft 22 or 2 may indicate clockwise.
    Another downshift 26, similar to the downshift 25, is set so that the steel ring 30 is mounted on the middle link 4 of the head, and the steel ring 29 is actuated. Based on the given number of teeth, there is a 100: 1 reduction, however, with the difference that the driven front part 6 of the head rotates in the opposite direction relative to the hollow shaft 2.
    Thus, the hollow shafts 22 and .k as well as the middle link of the head rotate in the same direction, and the final link 6 of the head rotates in the other direction. Compensation of different reduction ratios is obtained due to the fact that with relative movement of the links and 6 heads, bevel gears 23 roll around correctively. This is due to the fact that in case the hollow shaft 22 is fixed and the middle link k of the head rotates around the oblique axis 5, the oblique hollow shaft 2Z rotates due to rolling of the pair 23 along the stationary bevel gear. The additional rotation of the hollow shaft leads to the fact that the links t and 6 heads actually carry out a rotational movement of the same magnitude, although in the opposite direction.
    In the exemplary embodiment according to Fig. 1, it intends to create the same direction of rotation of the links 4 and 6 of the head. A lower gear 25 (Fig. 3 is supported through a steel ring 29 on the first link 2 of the head, which leads to a reduction of 101: 1 with the fact that the hollow shaft 22 and the middle link 4 of the head rotates in the same direction. A lower gear 26 is installed between the middle link 4 of the head and the final link of the head 6 (FIG. 3), where the steel ring 30 rests on the middle link of the 4 heads. As a result, a reduction of 100: 1 is obtained - positive direction from to th shaft 24 and end member 6 of the head. However, to receive the same direction
    Q
    0 5 o

    0
    0
    sixteen
    The rotation of both links and 6 heads (Fig. 4) provides for the placement of an intermediate gear wheel 31, which keeps the wheels of a pair of bevel gear wheels 23 apart from each other and is installed in the support 32 of the middle link 4 heads. In this case, the rotational movement of the middle link of the head is compensated so that the links 4 and 6 of the head perform a rotational movement with the same magnitude and in the same direction.
    In the exemplary embodiments of FIG. 5-8 tool carrier 8 on the end link 6 of the head should not be made rotatable. From this it follows that the angle gear 23 may also be placed differently (Fig. 3 and 4).
    As shown by the arrows on shafts 22 and 24 (Fig. 5), these shafts rotate in the opposite direction due to the placement of a pair of 23 bevel gears.
    In the exemplary embodiment according to Fig. 5, the same direction of rotation of the links 4 and 6 is provided. This is achieved due to the fact that during the reduction gear 25, the steel ring 29 is fixedly mounted on the first link 2 of the head, as a result of which the middle link 4 of the heads is actuated in the same direction rotation compared to the direction of rotation of the shaft 22 with a 100: 1 reduction. The shaft 24 rotates relative to the shaft 22 in the opposite direction. However, since during downshift 26, the steel ring 30 is fixed at the middle link 4, a change in the direction of rotation is obtained in a reduction ratio of 100: 1 so that the links 4 and 6 of the head rotate in the same direction and their own movement of the middle link 4 of the head is compensated.
    In the exemplary embodiment (Fig. 6), the links 4 and 6 rotate in the opposite direction, however, with both downshifts 25 and 2b, the steel ring 29 should be fixed. In order to obtain in this case the same magnitude rotation of the links 4 and 6 of the head, the reduction in one of the two wave transmissions varies slightly. Steel ring 30 ponies
    transmission 25 contains, according to the given exemplary embodiment 20 | the tooth, while the steel ring 29 contains only 202 teeth. The consequences of this are as follows:
    i ZCS / CZCS-ZDS (204 / 4204-202)
     102
    Downshift 25 compared to downshift 26 is reduced by one turn. With this reduction gear 26, the steel ring 29 is fixedly mounted on the middle part of the head, which leads to a reduction of 101: 1 with the same direction of rotation of the shaft with the front part by the link 6 of the head.
    In the exemplary embodiment (FIG. 7), the same effect should be achieved, similar to FIG. 6 due to the fact that the link (and 6 must rotate in the opposite direction. In contrast to FIG. 6, a reduction gear is used according to FIG. 3 so that the middle link of the head grows in the same direction with the shaft 22 at a reduction of 101: 1 Between the wheels of a pair of 23 bevel gears in this case, an intermediate gear wheel 31 is mounted. Downshift gear unit 26 is mounted so that the steel wheel 30 is fixedly mounted with the middle link i of the head. When this happens, the reduction is 100: 1 with the opposite direction rotation Shaft 2-1 and the final head die. Compensation is carried out by an intermediate gear wheel 31.
    According to FIG. 8 links (and 6 heads are rotated in the same direction. In this case, the reduction gear 25 is equipped with an increased number of teeth. The steel ring 30 contains 20 teeth, and the rest of the ring 29 is 202 teeth. In the reduction gear 26, the steel ring 29 is also fixed on the middle link A The compensation is also carried out by the intermediate gear wheel 31, and in this case it is also clear that the shaft 2 and the end link 6 of the head rotate in the same direction.
    0
    five
    0
    five
    0 5
    0
    five
    0
    45
    The principle of operation in all the embodiments according to FIG. 2-8 is retained if the steel ring 29 and the steel ring 30 of each reduction gear 25 and 26 are replaced with each other, as a result of which the reduction gear 25 receives a reduction X-1, and the reduction gear 26 receives a reduction X ". In this case, the link t and 6, the heads rotate oppositely to those shown in FIG. 2-8 directions of rotation.
    Instead of wave differential gears, you can also use downshifts with the same or a similar principle, for example, planetary gears.
    权利要求:
    Claims (2)
    [1]
    1. A transmission head for manipulators consisting of three links that are consecutively located one after another on axes inclined relative to one another, and the axes of each link, when the transmission head is moved apart, form acute angles with the longitudinal axis of this head, and a drive made of concentric drive shafts, kinematically associated with a corresponding link
    and a tool carrier placed on the end link, and their kinematic chains run along inclined axes and include gearboxes and hollow shafts placed in the cavity sections, at the ends of which there are bevel gears forming the gearing, which is different from that in order to simplify the software control of the movement of the last link by compensating for the movements of the middle links of the head, the gear ratio of the gearbox between the end link of the head and the middle link of the head differs from the gear ratio The reducer between the middle head and the first link of the head in one turn, and the bevel gear is designed to compensate for the difference in gear ratios of these gears.
    [2]
    2. The head of claim 1, in contrast to the fact that it contains a wave differential transmission as a gearbox.
    PNGT7
    te r zffl
    .four
    Fi.Z
    522
    / 5, j /. five
    .b
    yy
    FIG. 7
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1524801A3|1989-11-23|Drive head for manipulators
    US4568311A|1986-02-04|Flexible wrist mechanism
    SU1261556A3|1986-09-30|Gapless drive
    EP0166001A1|1986-01-02|Mechanism for driving wrist of industrial robot
    GB2011016A|1979-07-04|Toothed Gearing
    US20060252595A1|2006-11-09|Rotation transmission device
    EP0128544A1|1984-12-19|A joint structure between link members primarily of an industrial robot arm
    SU707793A1|1980-01-05|Manipulator gripper indexing device
    US4224836A|1980-09-30|Tilting drive arrangement for a converter
    JPH064230B2|1994-01-19|Non-interfering biaxial joint in wire drive arm
    KR20080053929A|2008-06-16|Gear mechanism, in particular linkage mechanism
    RU2193127C1|2002-11-20|Conversion differential gear
    SU1414620A1|1988-08-07|Manipulator actuating device
    RU2025615C1|1994-12-30|Reduction gear
    SU1199613A1|1985-12-23|Manipulator wrist
    SU1042989A1|1983-09-23|Manipulator arm
    SU1051350A1|1983-10-30|Gear-link planetary train with cardan link
    SU1566120A1|1990-05-23|Mechanical gearing
    SU717441A1|1980-02-25|Modular planetary gearing
    SU1041282A1|1983-09-15|Manipulator
    SU1434198A1|1988-10-30|Gear-box
    JPH068183A|1994-01-18|Articulated robot
    SU664877A1|1979-05-30|Sheep reducer for coaxial counter-rotating propeller screws
    KR0128217Y1|1998-12-15|Wrist device of industrial robot
    SU1335445A1|1987-09-07|Drive
    同族专利:
    公开号 | 公开日
    US4771652A|1988-09-20|
    AU587749B2|1989-08-24|
    ES2002442A6|1988-08-01|
    DD252787A5|1987-12-30|
    DE3545068A1|1987-06-25|
    EP0229941A3|1987-08-12|
    EP0229941A2|1987-07-29|
    JPH0314594B2|1991-02-27|
    DE3666173D1|1989-11-16|
    DE3545068C2|1987-09-24|
    JPS62148183A|1987-07-02|
    CA1268797A|1990-05-08|
    AU6671286A|1987-06-25|
    AT47074T|1989-10-15|
    CN1004867B|1989-07-26|
    EP0229941B1|1989-10-11|
    KR870005755A|1987-07-07|
    CN86108531A|1987-11-11|
    KR900003641B1|1990-05-28|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3545068A|DE3545068C2|1985-12-19|1985-12-19|
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