JPH0681836A - Rotation preventing device for spherical seat - Google Patents
Rotation preventing device for spherical seatInfo
- Publication number
- JPH0681836A JPH0681836A JP22527092A JP22527092A JPH0681836A JP H0681836 A JPH0681836 A JP H0681836A JP 22527092 A JP22527092 A JP 22527092A JP 22527092 A JP22527092 A JP 22527092A JP H0681836 A JPH0681836 A JP H0681836A
- Authority
- JP
- Japan
- Prior art keywords
- wire rope
- spherical seat
- receiving plate
- bearing
- rotation
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】球面座のスラスト軸受けを有する
ワイヤーロープ等の緊張装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tension device such as a wire rope having a thrust bearing of a spherical seat.
【０００２】[0002]
【従来の技術】従来この種の球面座スラスト軸受として
は、図５に示すように、緊張するワイヤーロープ５６等
を挿通するセンターホール５５を中心部に設けるととも
に、凹球面５２を有する下部球面座５１と、凹球面５２
に対応する凸球面５４を有する上部球面座５３の両球面
５２，５４を組み合わせ、両球面５２，５４間にて摺動
可能に対向させることにより偏心荷重に対処する球面軸
受５０、または、図６に示すように、前者と同様に中心
部にセンターホール６１を設けた下部ベアリング受け６
２と上部ベアリング受け６３の相互間にスラスト自動調
芯軸受６４を配設し、同軸受けの球面座６５を介して自
動調芯することにより偏心荷重に対処する球面軸受６０
等が知られている。2. Description of the Related Art Conventionally, as a spherical seat thrust bearing of this type, as shown in FIG. 5, a lower spherical seat having a concave spherical surface 52 is provided with a center hole 55 through which a tensioning wire rope 56 is inserted. 51 and concave spherical surface 52
The spherical bearings 50 and 54 of the upper spherical seat 53 having the convex spherical surface 54 corresponding to the above are combined and slidably opposed between the spherical surfaces 52 and 54 to cope with an eccentric load, or FIG. As shown in FIG. 6, the lower bearing receiver 6 having the center hole 61 in the central portion is formed similarly to the former.
2 and the upper bearing receiver 63 are provided with a thrust self-aligning bearing 64, and a spherical bearing 60 for coping with an eccentric load by self-aligning via a spherical seat 65 of a coaxial receiver.
Etc. are known.
【０００３】これらの球面軸受け５０，６０は、上部球
面座５３または上部ベアリング受け６３を固定端５８に
固定するとともに、ワイヤーロープ５６に矢印Ａ方向の
偏心荷重（緊張荷重）を作用させた場合に、偏心荷重が
ワイヤーロープ５６を緊張するセンターホールジャッキ
５７を介して下部球面座５１の底面５１ａ、または下部
ベアリング受け６２の底面６２ａに作用し、図５，６に
示すように偏心荷重の方向に対応して下部球面座５１，
または下部ベアリング受け６２がそれぞれＢの位置に変
位することにより球面座に対して均等な荷重を受けるよ
うにしている。These spherical bearings 50, 60 fix the upper spherical seat 53 or the upper bearing receiver 63 to the fixed end 58, and apply an eccentric load (tensile load) in the direction of arrow A to the wire rope 56. , The eccentric load acts on the bottom surface 51a of the lower spherical seat 51 or the bottom surface 62a of the lower bearing receiver 62 via the center hole jack 57 that tensions the wire rope 56, and in the direction of the eccentric load as shown in FIGS. Correspondingly, the lower spherical seat 51,
Alternatively, the lower bearing receivers 62 are respectively displaced to the positions B so that the spherical bearings are uniformly loaded.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、ワイヤ
ーロープは緊張することによって縒りが戻ろうとする、
この縒りの戻る力が球面座を回転させる力として作用す
るが、前記従来の球面座には回転防止装置が設けられて
いないために、球面座が回転させられてしまう。However, the twist of the wire rope tends to return due to tension.
The returning force of the twist acts as a force for rotating the spherical seat, but since the conventional spherical seat is not provided with a rotation preventing device, the spherical seat is rotated.
【０００５】即ち、球面座が回転させられると、ワイヤ
ーロープの縒りが戻ることによりワイヤーロープの耐力
が減少するという不具合があった。That is, when the spherical seat is rotated, the twist of the wire rope returns, and the yield strength of the wire rope decreases.
【０００６】よって本発明は前記問題点に鑑みてなされ
たものであり、ワイヤーロープを緊張する際に、ワイヤ
ーロープが捩じれようとしても球面座が回転しないよう
にする球面座の回転防止装置の提供を目的とする。Therefore, the present invention has been made in view of the above problems, and provides a rotation preventing device for a spherical seat that prevents the spherical seat from rotating even when the wire rope is twisted when the wire rope is tensioned. With the goal.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
本発明は、球面座のスラスト軸受を有する緊張装置にて
ワイヤーロープ等を緊張する際に、ワイヤーロープの捩
じれにより球面座が回転させられることを防止する装置
として、回転止めリングと、その表裏面に突出して固設
した複数個の回転止めピンとにより成る回転止め子を、
前記スラスト軸受の中心に位置させるとともに、固定端
側に配設された上部ベアリング受け板または、センター
ホールジャッキ側に配設された下部ベアリング受け板の
対向する内側のそれぞれの面に固設された複数個の回転
止め金具のそれぞれに対し、前記複数個の回転止めピン
を係合させることにより成ることを特徴とする。In order to achieve the above object, the present invention is designed to rotate a spherical seat by twisting the wire rope when a wire rope or the like is tensioned by a tensioning device having a thrust bearing of the spherical seat. As a device for preventing this, a rotation stop ring, and a rotation stop element formed of a plurality of rotation stop pins protruding and fixed to the front and back surfaces of the rotation stop ring,
The upper bearing receiving plate located at the center of the thrust bearing and fixed to the fixed end side or the lower bearing receiving plate arranged on the center hole jack side is fixedly provided on the inner surfaces facing each other. It is characterized in that the plurality of rotation stopper pins are respectively engaged with the plurality of rotation stopper fittings.
【０００８】[0008]
【作用】本発明の球面座の回転防止装置によれば、ワイ
ヤーロープ等を緊張する際に、ワイヤーロープ等に捩じ
れが生じることにより球面座に回転力が作用しても、球
面座の回転防止装置にて球面座の回転を防止することが
できる。According to the rotation preventing device of the spherical seat of the present invention, when the wire rope or the like is twisted when the wire rope or the like is twisted, the rotation of the spherical seat is prevented even if a rotational force acts on the spherical seat. The device can prevent the spherical seat from rotating.
【０００９】[0009]
【実施例１】図１〜３は本発明の実施例１を示し、図１
は球面座の回転防止装置の断面図、図２は同装置の回転
止め部を一部破断して示すＸ−Ｘ矢示図、図３は回転止
め子の斜視図である。Embodiment 1 FIGS. 1 to 3 show Embodiment 1 of the present invention.
2 is a cross-sectional view of a rotation preventive device for a spherical seat, FIG. 2 is a partially cutaway view showing the rotation stopping portion of the device, and FIG. 3 is a perspective view of a rotation stopper.
【００１０】全長にわたって総ネジ２を螺設したロッド
１を挿通しつつ相対向して配設された方形の上部ベアリ
ング受け板３と、下部ベアリング受け板４との間にスラ
スト自動調芯軸受５を配設するとともに、軸受け５の外
輪６の外周を下部ベアリング受け板４の嵌合部４ａに嵌
合させことにより、スラスト自動調芯軸受５を下部ベア
リング受け板４と同一軸心上に固定する。A thrust self-aligning bearing 5 is provided between a rectangular upper bearing receiving plate 3 and a lower bearing receiving plate 4 which are arranged to face each other while inserting a rod 1 having a total screw 2 screwed over the entire length. And the outer periphery of the outer ring 6 of the bearing 5 is fitted to the fitting portion 4a of the lower bearing receiving plate 4 to fix the thrust self-aligning bearing 5 on the same axis as the lower bearing receiving plate 4. To do.
【００１１】上部ベアリング受け板３の上面には反力架
台８を配設するとともに、反力架台８の左右のフランジ
８ａの上面に、スラスト自動調芯軸受５、および、その
下方（図上にて）の構成部分の落下防止目的の落下防止
金具１０の上端部を重ねて、左右それぞれ２か所のボル
ト９にて前記３者を共締めにする。A reaction force pedestal 8 is arranged on the upper surface of the upper bearing receiving plate 3, and the thrust self-aligning bearing 5 and its lower portion (as shown in the figure) are provided on the upper surfaces of the left and right flanges 8a of the reaction force pedestal 8. The upper end portions of the fall prevention metal fittings 10 for the purpose of preventing the fall of the component of FIG.
【００１２】また、下部ベアリング受け板４の下面に
は、センターホールジャッキ１１を下部ベアリング受け
４と同一軸心上に配設するとともに、４か所のボルト１
２にて前記両者を締めつけている。Further, on the lower surface of the lower bearing receiving plate 4, a center hole jack 11 is arranged on the same axis as the lower bearing receiving 4, and the bolts 1 at four locations are arranged.
In step 2, the two are tightened.
【００１３】そして、前記落下防止金具１０の他端部
は、センターホールジャッキ１１のフランジ１１ａの裏
面側に位置させ、裏面側に設けたボルト２２にて裏側か
らセンターホールジャッキ１１のフランジ１１ａを支え
ることによりその落下防止をしている。The other end of the fall prevention fitting 10 is located on the back side of the flange 11a of the center hole jack 11, and the bolts 22 provided on the back side support the flange 11a of the center hole jack 11 from the back side. This prevents it from falling.
【００１４】上部ベアリング受け板３と下部ベアリング
受け板４との間で、かつ、スラスト自動調芯軸受け５の
内側には、図３に示すような、回転止めリング１４の面
に対し４か所等配の位置にてピン１５〜１８を貫通して
固設した回転止め子１３を配設する。Between the upper bearing receiving plate 3 and the lower bearing receiving plate 4 and inside the thrust self-aligning bearing 5, there are four locations with respect to the surface of the rotation stop ring 14 as shown in FIG. The rotation stoppers 13 are fixedly installed by penetrating the pins 15 to 18 at equal positions.
【００１５】そして、上部ベアリング受け板３および下
部ベアリング受け板４の対向する内側のそれぞれの面に
は、回転止め金具３ａ，３ｂおよび、３ｃ，３ｄのそれ
ぞれが対向して、４等配の位置にて２か所づつ固設され
ており、回転止め子１３に固設したピン１５，１６を回
転止め金具３ａ，３ｂのそれぞれが形成する溝１９に、
ピン１７，１８を回転止め金具３ｃ，３ｄのそれぞれが
形成する溝１９に係合することにより、上部ベアリング
受け板３と下部ベアリング受け板４との相互間の回転を
防止する。On the inner surfaces of the upper bearing receiving plate 3 and the lower bearing receiving plate 4 that face each other, the rotation stopper fittings 3a, 3b and 3c, 3d face each other, and they are arranged in four equal positions. Are fixed in two places, and the pins 15 and 16 fixed to the rotation stopper 13 are inserted into the grooves 19 formed by the rotation stopper fittings 3a and 3b, respectively.
By engaging the pins 17 and 18 with the grooves 19 formed by the rotation stopper fittings 3c and 3d, respectively, rotation between the upper bearing receiving plate 3 and the lower bearing receiving plate 4 is prevented.
【００１６】また、回転止め子１３に固設したピン１５
〜１８は、回転止め金具３ａ，３ｂおよび３ｃ，３ｄの
それぞれが形成する溝１９の幅に対して、適当な隙間を
保って係合されているので、スラスト自動調芯軸受５の
自動調芯作動の際にピン１５〜１８と、溝１９の側面と
の間にせりが生じることがない。Further, the pin 15 fixed to the rotation stopper 13 is provided.
Nos. 18 to 18 are engaged with the width of the groove 19 formed by each of the rotation stoppers 3a, 3b and 3c, 3d with an appropriate gap maintained, so that the thrust self-aligning bearing 5 is self-aligned. During operation, no pinching occurs between the pins 15-18 and the side surface of the groove 19.
【００１７】また、ピン１５，１６の下端部は、下部ベ
アリング受け板４の面に当接させ、その上端部は上部ベ
アリング受け板３の面との間に自動調芯作動の際に必要
な隙間を保たせている。The lower ends of the pins 15 and 16 are brought into contact with the surface of the lower bearing receiving plate 4, and the upper ends of the pins 15 and 16 are required for the self-aligning operation with the surface of the upper bearing receiving plate 3. It keeps a gap.
【００１８】ピン１７，１８は、その下端部と下部ベア
リング受け４の面との間、および、その上端部と上部ベ
アリング受け板３の面との間に自動調芯作動の際に必要
な隙間を保たせている。The pins 17 and 18 have a clearance required between the lower ends thereof and the surface of the lower bearing receiving plate 4 and between the upper ends of the pins 17 and 18 and the surface of the upper bearing receiving plate 3 in the self-aligning operation. Is kept.
【００１９】さらに、球面座の回転防止装置３０全体を
軸通しているロッド１にはその全長にわたって軸方向に
キー溝２０が設けられており、センターホールジャッキ
１１とロッド１との間をキー２１を介して、その相互間
の回転を防止している。Further, the rod 1 axially passing through the rotation preventing device 30 of the spherical seat is provided with a key groove 20 in the axial direction over the entire length thereof, and a key 21 is provided between the center hole jack 11 and the rod 1. The rotation between them is prevented through.
【００２０】さて、以上の構成からなる球面座の回転防
止装置３０を用いた緊張装置にて、ワイヤーロープを緊
張する際における回転防止装置３０の作動について説明
する。Now, the operation of the anti-rotation device 30 when the wire rope is tensioned by the tension device using the anti-rotation device 30 of the spherical seat having the above-mentioned structure will be described.
【００２１】まづ、落下防止金具１０のボルト２２を、
ワイヤーロープ等の緊張操作時に、スラスト自動調芯軸
受５の自動調芯作動に支障を来さない範囲に緩めてお
く。First, the bolt 22 of the fall prevention metal fitting 10 is
When tensioning the wire rope or the like, loosen the thrust self-aligning bearing 5 to such an extent that it does not hinder the self-aligning operation.
【００２２】そして、ロッド１上部（図１にて）先端
に、緊張するワイヤーロープ（不図示）を接続するとと
もに、反力架台８の上面を構造物固定端面２３に固定さ
せつつ、センターホールジャッキ１１によりロッド１を
下方に引き込むことによりワイヤーロープに緊張荷重を
かける。Then, a tensioning wire rope (not shown) is connected to the tip of the upper portion of the rod 1 (see FIG. 1), and the upper surface of the reaction force base 8 is fixed to the structure fixing end surface 23, while the center hole jack is used. A tension load is applied to the wire rope by pulling the rod 1 downward by 11.
【００２３】緊張荷重は、ワイヤーロープを緊張するセ
ンターホールジャッキ１１のフランジ１１ａから、下部
ベアリング受け板４、スラスト自動調芯軸受５、上部ベ
アリング受け板３、反力架台８を介して構造物固定端面
２３の面に作用する。The tension load is fixed to the structure from the flange 11a of the center hole jack 11 for tensioning the wire rope, through the lower bearing receiving plate 4, the thrust self-aligning bearing 5, the upper bearing receiving plate 3 and the reaction force base 8. It acts on the surface of the end face 23.
【００２４】一方、ワイヤーロープに緊張荷重をかける
ことにより捩じれが生じ、この捩じれによる回転力が、
ロッド１から、キー２０、センターホールジャッキ１
１、下部ベアリング受け板４を介してスラスト自動調芯
軸受け５の外輪６に作用する。On the other hand, when a tension load is applied to the wire rope, it is twisted, and the rotational force due to this twist is
From rod 1, key 20, center hole jack 1
1. It acts on the outer ring 6 of the thrust self-aligning bearing 5 via the lower bearing receiving plate 4.
【００２５】この回転力によって外輪６が回転させられ
ることを防止するため、本実施例では、緊張装置に球面
座の回転防止装置３０を設けているので外輪６（球面座
６ａ）が回転させられることがない。In order to prevent the outer ring 6 from being rotated by this rotational force, in the present embodiment, the tension device is provided with the spherical seat rotation preventing device 30, so that the outer ring 6 (spherical seat 6a) is rotated. Never.
【００２６】前記緊張荷重が矢印Ａで示す軸方向の荷重
であれば、前記の通り外輪６の回転を防止するだけでよ
いが、矢印Ｂで示す斜め方向の荷重（偏心荷重）の場合
は、スラスト自動調芯軸受け５の球面座６ａとコロ７ａ
との間に偏心荷重による滑りが生じ、図６に示すように
外輪６およびその下方の構成部分が荷重の方向に追従し
て傾斜することにより、偏心荷重を球面座にて均等化し
て受けつつ、かつ、球面座の回転防止装置により球面座
６ａの回転を防止する。If the tension load is a load in the axial direction indicated by arrow A, it is sufficient to prevent the outer ring 6 from rotating as described above, but in the case of a load in an oblique direction (eccentric load) indicated by arrow B, Spherical seat 6a and roller 7a of thrust self-aligning bearing 5
A slip due to an eccentric load is generated between the outer ring 6 and the lower ring, and the outer ring 6 and the components therebelow incline in the direction of the load as shown in FIG. Moreover, the rotation prevention device for the spherical seat prevents the spherical seat 6a from rotating.
【００２７】なお、偏心荷重により下部ベアリング受け
板４が傾斜した際に、対向する上下のベアリング受け板
３，４との間隔に変動が生じても、回転止め子１３に固
設されたピン１５〜１８のそれぞれの長さにおいてその
端部と、上下のベアリング受け板３，４との面間に適当
な隙間を保たせてあるので、ピン１５〜１８の長さ方向
において上下のベアリング受け板３，４の面との間でせ
りあうことがない。When the lower bearing receiving plate 4 is inclined due to the eccentric load, even if the distance between the upper and lower bearing receiving plates 3 and 4 changes, the pin 15 fixed to the rotation stopper 13 is fixed. Since an appropriate gap is maintained between the end portion of each of the lengths up to 18 and the surfaces of the upper and lower bearing receiving plates 3 and 4, the upper and lower bearing receiving plates in the length direction of the pins 15 to 18 are secured. There is no collision between the 3rd and 4th surfaces.
【００２８】また、ピン１５〜１８の径方向について
も、回転止め金具３ａ，３ｂおよび３ｃ，３ｄの形成す
る溝１９との係合において自動調芯作動に必要な隙間を
設けてあるので、せりあうことがない。Further, also in the radial direction of the pins 15 to 18, there is provided a clearance necessary for the automatic centering operation in the engagement with the groove 19 formed by the rotation stopper fittings 3a, 3b and 3c, 3d. There is no meeting.
【００２９】本実施例によれば、センターホールジャッ
キ１１にてワイヤーロープを緊張する際に、ワイヤーロ
ープの捩じれによる回転力が球面座６ａに作用しても、
球面座６ａには回転防止装置３０が設けられているので
球面座６ａの回転を防止することができる。According to this embodiment, when the wire rope is tensioned by the center hole jack 11, even if the rotational force due to the twist of the wire rope acts on the spherical seat 6a,
Since the rotation preventing device 30 is provided on the spherical seat 6a, the rotation of the spherical seat 6a can be prevented.
【００３０】また、センターホールジャッキ１１に偏心
荷重が作用した場合においても、スラスト自動調芯軸受
５の自動調芯作動により球面座６ａが偏心荷重の方向に
追従して移動し、偏心荷重を球面座にて均等化して受け
つつ、球面座６ａの回転を防止することができる。従っ
て、ワイヤーロープの縒りが戻ることを防止することが
できる。Even when an eccentric load is applied to the center hole jack 11, the spherical seat 6a moves in the direction of the eccentric load by the self-centering operation of the thrust self-centering bearing 5 to move the eccentric load to the spherical surface. It is possible to prevent the spherical seat 6a from rotating while receiving it evenly by the seat. Therefore, it is possible to prevent the twist of the wire rope from returning.
【００３１】なお、緊張装置にて緊張する部材はワイヤ
ーロープ５６に限らず、緊張することにより縒りが戻る
他の部材に対しても適用できる。また、回転止め子１３
に固設したピン１５〜１８の数は、４本に限らない。The member to be tensioned by the tensioning device is not limited to the wire rope 56, and the present invention can be applied to other members in which the twist is returned by tensioning. Also, the rotation stopper 13
The number of the pins 15 to 18 fixed to is not limited to four.
【００３２】[0032]
【実施例２】図４は実施例２を示す回転防止装置におけ
る球面座の断面図である。本実施例においては、前記実
施例１におけるスラスト自動調芯軸受５に替えて球面座
滑り軸受４０を用いたものであり、その他の構成部分は
実施例１と同様であるのでその説明を省略する。[Embodiment 2] FIG. 4 is a sectional view of a spherical seat in an anti-rotation device showing Embodiment 2. In the present embodiment, the spherical self-aligning bearing 40 is used in place of the thrust self-aligning bearing 5 in the first embodiment, and the other components are the same as in the first embodiment, and therefore the description thereof is omitted. .
【００３３】前記球面座滑り軸受４０は、凸球面４１ａ
を有する上部球面座４１と、凸球面４１ａに対応した凹
球面４２ａを有する下部球面座４２とを組み合わせたも
のであり、凸球面４１ａと凹球面４２ａとの間にて摺動
するすることにより、下部球面座４２が偏心荷重の方向
に追従して移動し、偏心荷重を球面座にて均等化して受
けるものである。The spherical plain bearing 40 has a convex spherical surface 41a.
And a lower spherical seat 42 having a concave spherical surface 42a corresponding to the convex spherical surface 41a are combined, and by sliding between the convex spherical surface 41a and the concave spherical surface 42a, The lower spherical seat 42 moves following the direction of the eccentric load, and receives the eccentric load evenly by the spherical seat.
【００３４】本実施例によれば、実施例１と同様な作用
効果を発揮することができる。According to this embodiment, it is possible to exhibit the same effects as those of the first embodiment.
【００３５】[0035]
【発明の効果】本発明によれば、球面座のスラスト軸受
を有する緊張装置にてワイヤーロープ等を緊張する際
に、ワイヤーロープの捩じれによりスラスト軸受の球面
座が回転させられることを防止することができるととも
に、球面座が偏心荷重の方向に追従して摺動することに
より、偏心荷重を球面座にて均等化して受けることがで
きる。従って、ワイヤーロープの縒りが戻ることを防止
することができるので、ワイヤーロープの耐力を減少さ
せることがない。According to the present invention, it is possible to prevent the spherical seat of the thrust bearing from being rotated by the twist of the wire rope when the wire rope or the like is tensioned by the tensioning device having the thrust bearing of the spherical seat. In addition, the spherical seat follows the direction of the eccentric load and slides, so that the eccentric load can be evenly received by the spherical seat. Therefore, since the twist of the wire rope can be prevented from returning, the yield strength of the wire rope is not reduced.
【図１】本発明の実施例１を示す球面座の回転防止装置
の断面図。FIG. 1 is a sectional view of a rotation preventing device for a spherical seat showing a first embodiment of the present invention.
【図２】同装置の回転止め部を一部破断して示すＸ−Ｘ
矢示図。FIG. 2 is a partially cutaway view of the rotation stopping portion of the same apparatus.
Arrow drawing.
【図３】回転止め子の斜視図。FIG. 3 is a perspective view of a rotation stopper.
【図４】本発明の実施例２を示す回転防止装置における
球面座の断面図。FIG. 4 is a sectional view of a spherical seat in the rotation preventing device showing the second embodiment of the present invention.
【図５】従来の球面軸受けの断面図。FIG. 5 is a sectional view of a conventional spherical bearing.
【図６】従来の球面軸受けの断面図。FIG. 6 is a sectional view of a conventional spherical bearing.
１ ロッド ２ ネジ ３ 上部ベアリング受け板 ３ａ，３ｂ，３ｃ，３ｄ 回転止め金具 ４ 下部ベアリング受け板 ５ スラスト自動調芯軸受け ６ 外輪 ７ 内輪 ７ａ コロ ８ 反力架台 ９，１２，２２ ボルト １０ 落下防止金具 １１ センターホールジャッキ １３ 回転止め子 １４ 回転止めリング １５，１６，１７，１８ ピン ２０ キー溝 ２１ キー 1 rod 2 screw 3 upper bearing receiving plate 3a, 3b, 3c, 3d anti-rotation metal fitting 4 lower bearing receiving plate 5 thrust self-aligning bearing 6 outer ring 7 inner ring 7a roller 8 reaction force base 9, 12, 22 bolt 10 fall prevention metal fitting 11 Center hole jack 13 Rotation stop 14 Rotation stop ring 15, 16, 17, 18 Pin 20 Keyway 21 Key
Claims (1)
にてワイヤーロープ等を緊張する際に、ワイヤーロープ
の捩じれにより球面座が回転させられることを防止する
装置として、回転止めリングと、その表裏面に突出して
固設した複数個の回転止めピンとにより成る回転止め子
を、前記スラスト軸受の中心に位置させるとともに、固
定端側に配設された上部ベアリング受け板または、セン
ターホールジャッキ側に配設された下部ベアリング受け
板の対向する内側のそれぞれの面に固設された複数個の
回転止め金具のそれぞれに対し、前記複数個の回転止め
ピンを係合させることにより成ることを特徴とする球面
座の回転防止装置。1. A rotation stop ring and a table thereof as a device for preventing the spherical seat from rotating due to the twisting of the wire rope when the wire rope or the like is tensioned by a tensioning device having a thrust bearing of a spherical seat. A rotation stopper consisting of a plurality of rotation stopper pins fixedly projecting on the back surface is positioned at the center of the thrust bearing, and is arranged on the upper bearing receiving plate arranged on the fixed end side or the center hole jack side. It is characterized in that the plurality of rotation stopper pins are engaged with the plurality of rotation stopper fittings fixed to the respective inner surfaces of the lower bearing receiving plate facing each other. Anti-rotation device for spherical seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22527092A JPH07101049B2 (en) | 1992-07-31 | 1992-07-31 | Anti-rotation device for spherical seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22527092A JPH07101049B2 (en) | 1992-07-31 | 1992-07-31 | Anti-rotation device for spherical seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0681836A true JPH0681836A (en) | 1994-03-22 |
| JPH07101049B2 JPH07101049B2 (en) | 1995-11-01 |
Family
ID=16826697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22527092A Expired - Fee Related JPH07101049B2 (en) | 1992-07-31 | 1992-07-31 | Anti-rotation device for spherical seat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07101049B2 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPH07101049B2 (en) | 1995-11-01 |
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