• 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:

    公开号:SU1256701A3
    申请号:SU843713950
    申请日:1984-03-20
    公开日:1986-09-07
    发明作者:Джозеф Истон Дэвид
    申请人:Диир Энд Компани (Фирма)；
    IPC主号:
    专利说明:

    also with the outer conical surface of the inner cylindrical one, conjugated with the second end of the hackhorn, made cylindrical.
    8. A pivot assembly according to claim 1, wherein the opening in the second console of the plug is cylindrical, and the split conical lock is provided with an outer cylindrical surface for interacting with the cylinders a layer of the opening surface in the second console of the fork and with the inner a conical surface, mating with the second end of the pin, accomplished. M conical, tapering to the end.
    9. A tie rod according to claim 1, characterized in that the liner
    one
    The invention relates to a pin assembly, which reduces a large preload torque, and uses a coupling to connect two elements so that one element can rotate relative to another.
    The purpose of the invention is to increase service life and reliability,
    NP FIG. 1 shows the node pivot, longitudinal section; FIG. 2 is another variant of the pivot assembly, a longitudinal section.
    Uze hakvorn 1 has a fork element 2, king pin 3, Fork element 2 has two consoles A and 5, Each of the consoles 4 and 5 has holes 6 and 7, respectively, made in it. Each of the holes 6 and 7 has a conical surface 8 and 9, respectively, which tapers off to the side, the outer surface of each of the consoles 4 and 5. Between the consoles 4 and 5 there is an intermediate element 10, for example a hydraulic cylinder rod. Intermediate element 10 has an opening 11, which is located concentrically with holes 6 and 7 of consoles 4 and 5, respectively. A pin 3 is inserted into holes 6, 7 and 11, which has a generally cylindrical central part having a shoulder or shoulder K
    fixed in the hole of the intermediate element by means of stop-1ShH rings,
    10, A pivot assembly according to claim 1, characterized in that a concentric threaded bore is made in the end portion of the pivot, and the shrinking means is made in the form of a threaded member extending
     through the through hole of the support member to engage the threaded hole of the socket.
    11, a pivot assembly according to claim 1, characterized in that it is provided with a spring element mounted between the threaded element and the supporting element.
    12, In the preferred embodiment, the flange 12 is located within the opening 11 of the intermediate element 10, King pin 3 has a first end
    13, which contains a conically tapering inward surface 14, which interacts with the conical surface 8 of the arm 4, and also a cylindrical second end 15, which
    freely enters the hole 9 of the console 5; In the second end 15, an threaded hole 16 is axially disposed; The design of a glass-like split cone clamp 17 allows inserting it into the opening 7 of the console 5, and inserting the second end of the pin 3; The split cone clamp 17 has an inner diameter 18, which is approximately equal to the outer diameter of the second end I5 of the pin 3, tapered tapering inward the outer surface 19 and interacts with the conical surface 9 of the opening 7, In addition, the split conical clamp 17 has an end wall 20 having an opening 21 , made in it and mounted concentric with the threaded hole 16, made in the pivot 3, and
    also a design allowing it to be permanently fixed on the pin 3 with the aid of a threaded bolt 22 having an enlarged head 23
    to ensure the screwed-in position of the bolt 22 in the threaded bore 16, use retainer washer 2A.
    The pivot node I. also contains a reducing element 25, for example a ball bushing or a spherical bearing, which has an inner ring 26 and an outer ring 27. If the friction reducing element 25 is a spherical bearing in which the spheres are not formed on the outer ring 27, and on the inner ring 26 (FIG. 1), the outer ring 27 is mounted on a press fit in the opening I1 of the intermediate element 10 and is held by two spring rings 28 and 29. It should be noted that the friction reducing element 25 slides over the center hydrochloric chpkvorn part 3 so that it rested against one side (or end in contact) with a shoulder 12.
    A distinctive feature of the pivot assembly 1 is the use of a spring 30 located around the periphery of the pivot 3 between the friction reducing element 25 and the split cone lock 17. The spring 30, which is one set of several belleville springs (Prutkine Belleville), is designed in such a way that to create the necessary preloading of the friction reducing element 25 when the spring 30 is compressed to a predetermined degree. The use of two cup springs is desirable because it allows the use of a split tapered lock I7 with a rather thin wall. When using a single spring, split conical lock 17, the upper surface of the friction reducing element 23 may need to be increased or, the washers must be inserted between them so as to ensure sufficient contact with the ends of the springs. The spring 30 is compressed when the bolt 22 is screwed into the hole 16 of the pin 3. When this split cone lock 17 is put on pin 3 and tapered surfaces 14 and 19, respectively, pin 3 and split tapered lock 17 enter into tapered surfaces 8 and 9, which used for connections where precise positioning and tight fit, tapered nests are required. Use reversed
    five
    0
    five

    The coDhiecTHo conical surfaces with a compressible spring 30 allow each other to preload the inner ring 26 of the reducing friction element 25 regardless of the variable distance between the end of the split cone clamp 17 and the adjacent surface of the friction reducing element 25.
    It should be noted that this design allows the use of a relatively small preheating torque on the bolt 22 to fix the inner ring 26 of the friction reducing element 25 on the king pin 3. The spring 30, being a flexible element with a non-linear spring module, significantly reduces the rigidity of the assembly. Regardless of the type of spring that is used in the node of the pivot 1, it cannot be fully compressed. Otherwise, a mechanical connection is formed between the pin 3 and the split cone clamp 17, which nullifies the spring function. In addition, during normal operation, the press fit of the outer ring 27 of the friction reducing element 25 in the hole 11 of the intermediate element 10, as well as the use of spring rings 28 and 29, keep the outer ring 27 stationary, excluding its rotation. When the rod 30 presses axially on the friction reducing element 25, when it is pressed against the collar 12, essentially all the wear that occurs at node 1 due to rotations will be on the surface 31 located between the inner and outer rings 26 and 27,
    FIG. 2 shows another embodiment of the pin 1 node. In node 1 of the pin, pin 3 is used which does not have a central part with a collar, but which plays a tapered second end 32, Instead of a shoulder at the periphery of the central part of the pin 3, the element 23 is located a sleeve 33, whose diameter is large enough to allow it to abut against the internal porhrhnost of the console 4, resulting in the formation of an axially stationary stopper for the friction reducing element 25,
    In -Ig ohm in Riaitum vugugyeni ulp tknorn 1 tpkzs there is a dome-shaped cone-shaped conical port 17, which has a conical inner surface tapering inwardly and basically a cylindrical outer surface 35. The latter is connected to a generally cylindrical surface 36 of opening 7, made in the console 5, and the conical inner surface of the connector is connected with the conical second end 32 of the pin 3 | When tangling the split cone 670
    By means of a bolt 22, the surfaces 3A and 35 form a wedge joint with a second end 32 of a pin 3 and with a surface 36, aperture 7, respectively. When the split taper lock 17 pulls onto the king pin 3, the spring 30 is compressed by a predetermined amount in order to achieve the required 0 preload on the friction reducing element 25, which compensates for the deviations and tolerances between the various elements of the assembly.
    GW / 17 th year
     FIG. /
    GGTU.
    Editor N. Margolnna
    Compiled by V.Ionov Tehred I.Popovich
    48AO / 60
    Circulation 777 Subscription
    VNIKLI USSR State Committee
    for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., d. A / 5
    Production and printing company, Uzhgorod, st. Project, 4
    FIG. 2
    .Korrektor A.Zimokosov
    权利要求:
    Claims (11)
    [1]
    1. NORTH KNOWLEDGE ASSEMBLY, comprising a working device fork and an intermediate element located between the yoke consoles, a king pin installed in concentric holes of the yoke and intermediate yoke consoles and having a central cylindrical part located in the hole of the intermediate element, at least one conical end part installed in at least one conical, outwardly expanding opening of the first fork console, and another end portion on which a support member having a conical part is mounted b, a concentric through hole and located in the hole of the other console of the fork, while the liner is fixed in the hole of the intermediate element, and the ball bearing is fixed on the central part of the kingpin from axial movement towards the first console of the fork to interact with its spherical surface with the corresponding surface of the liner and the tightening means in the axial direction of the king pin for jointly jamming the conical end of the king pin in the conical hole of the fork console and the other end of the king pin by pore element in the hole of the other console of the fork, characterized in that, in order to increase service life and reliability, it is equipped with a spring placed around the periphery of the pin between the ball joint and the supporting element, made in the form of a glass-shaped split conical lock.
    [2]
    2. Pin node in π. 1, characterized in that the latch from the axial movement of the ball bearing is made in the form of an annular groove on the central part of the kingpin.
    [3]
    3. The king pin assembly in π. I, characterized in that the latch against axial movement of the ball joint is made in the form of a sleeve mounted on the central part of the kingpin between the ball joint and the first console of the fork.
    [4]
    4. The kingpin assembly according to claim 3, wherein the outer diameter of the sleeve is larger than the smaller diameter of the conical hole in the first console of the fork.
    [5]
    5. The node of the kingpin in π. 1, characterized in that the spring is disk-shaped.
    [6]
    6. The node pin in π. I, characterized in that the spring is made in the form of two Belleville springs.
    [7]
    7. The kingpin assembly according to claim ^, characterized in that the hole in the second console of the fork is conical, expanding outward, and the split taper lock is made by gu .., 1256701 AZ also with an outer conical surface and an inner cylindrical mating with the second end of the kingpin cylindrical.
    [8]
    8. The node pin in π. 1, characterized in that the hole in the second console of the fork is made cylindrical, and the split conical lock is made with an external cylindrical surface for interacting with the cylindrical surface of the hole in the second console of the fork and with an internal conical surface mating with the second end of the king pin conical, tapering by the end,
    [9]
    9. The node of the kingpin in π. 1, characterized in that the liner is fixed in the hole of the intermediate element by means of retaining rings.
    [10]
    10. Pin node in π. 1, characterized in that a concentric threaded hole is made in the end part of the king pin, and the tightening means is made in the form of a threaded element passing through the through hole of the support element for interacting with the threaded hole of the king pin,
    [11]
    11. The node of the kingpin. By π. 1, characterized in that it., Is equipped with a spring element mounted between the threaded element and the supporting element.
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    同族专利:
    公开号 | 公开日
    RO89981A|1986-09-30|
    US4491436A|1985-01-01|
    FI841079A0|1984-03-16|
    DK118084A|1984-09-22|
    EP0120327B1|1986-11-20|
    BR8401251A|1984-10-30|
    FI841079A|1984-09-22|
    EP0120327A1|1984-10-03|
    DE3461387D1|1987-01-08|
    JPS59183113A|1984-10-18|
    DK118084D0|1984-02-28|
    NO841071L|1984-09-24|
    ES530754A0|1984-12-01|
    AU2428984A|1984-09-27|
    ZA842057B|1985-11-27|
    ES8501853A1|1984-12-01|
    AT23729T|1986-12-15|
    CA1212266A|1986-10-07|
    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US06/477,117|US4491436A|1983-03-21|1983-03-21|Pivot pin assembly|
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