JPS6114750Y2 - - Google Patents
Info
- Publication number
- JPS6114750Y2 JPS6114750Y2 JP9381281U JP9381281U JPS6114750Y2 JP S6114750 Y2 JPS6114750 Y2 JP S6114750Y2 JP 9381281 U JP9381281 U JP 9381281U JP 9381281 U JP9381281 U JP 9381281U JP S6114750 Y2 JPS6114750 Y2 JP S6114750Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- cutting shaft
- cutting
- flange
- splines
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000004323 axial length Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Harvester Elements (AREA)
Description
【考案の詳細な説明】
Ａ 産業上の利用分野
本考案は過負荷が加わつた時に回転運動の伝達
を断つ切断軸接手装置に関する。[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to a cutting shaft joint device that cuts off transmission of rotational motion when an overload is applied.
Ｂ 考案の概要
本考案は、過負荷が加わつた時に回転運動の伝
達を断つ切断軸接手装置において、連結される駆
動軸と従動軸のフランジ継手にそれぞれ内周面に
スプラインが形成された外筒を固定する一方、両
端部外周面にスプラインが形成されその中央に小
径部を有する切断軸を前記外筒とスプライン嵌合
することで駆動軸及び従動軸と同軸上で軸方向移
動自在に支持すると共に、外筒がフランジ接手に
固定される時に外筒とフランジ接手とで挾持され
るストツプリングで切断軸の位置を規制する。一
方、両外筒は切断軸を囲繞してその先端側が互い
に軸方向及び回転方向摺動自在に嵌まり合うよう
にし、それにより両外筒の両端の軸方向長さを短
縮可能としてその着脱を軸直角方向からできるよ
うにしたものである。B. Summary of the invention This invention is a cutting shaft joint device that cuts off the transmission of rotational motion when an overload is applied. On the other hand, a cutting shaft having splines formed on the outer circumferential surface of both ends and a small diameter portion in the center is spline-fitted to the outer cylinder to support the cutting shaft so as to be movable in the axial direction on the same axis as the driving shaft and the driven shaft. At the same time, when the outer cylinder is fixed to the flange joint, the position of the cutting shaft is regulated by a stop ring that is held between the outer cylinder and the flange joint. On the other hand, both outer cylinders surround the cutting shaft, and their distal ends are fitted into each other so as to be slidable in the axial and rotational directions, thereby making it possible to shorten the axial length of both ends of the outer cylinders and making it possible to attach and detach them. It can be done from the direction perpendicular to the axis.
Ｃ 従来の技術
エンジン等のトルクを動力計で測定する場合の
ように原動機と負荷とを連結する装置において、
たとえば軸受メタルの焼き付きなどのため、どち
らかに異常な過負荷が加わることがある。このよ
うな場合には機器の安全上、原動機と負荷との連
結を瞬時に切り離す必要がある。C. Prior Art In a device that connects a prime mover and a load, such as when measuring the torque of an engine or the like with a dynamometer,
For example, an abnormal overload may be applied to one of the bearings due to seizure of the bearing metal. In such a case, for the safety of the equipment, it is necessary to instantly disconnect the prime mover from the load.
このような連結を瞬時に切り離し得る装置とし
て、従来例えば実公昭48−16436号公報に示され
るような切断軸接手装置が提案されている。この
切断軸接手装置は、駆動軸側に固定される接手と
従動軸側に固定される接手の内周面にそれぞれス
プラインを形成する一方、中央に小径部を有する
切断軸の両端部外周面に形成されたスプラインを
それらの接手のスプラインとそれぞれ嵌合させる
ことによつて、その切断軸を駆動軸及び従動軸と
同軸上に位置させた状態で切断軸を介して駆動軸
と従動軸とを連結するようにしたものである。こ
の切断軸接手装置では、回転時に切断軸に異常な
過負荷が加わると、切断軸の小径部に応力が集中
してそこから切断軸が破断し、動力の伝達が遮断
される。また、切断軸の切断時に切断された切断
軸が外方へ飛び散るのを防止するため、切断軸は
接手に固定された筒部に覆われるようになつてい
る。 As a device capable of instantaneously disconnecting such a connection, a cutting shaft coupling device as shown in, for example, Japanese Utility Model Publication No. 16436/1983 has been proposed. This cutting shaft joint device has splines formed on the inner circumferential surfaces of the joint fixed to the drive shaft side and the joint fixed to the driven shaft side, while splines are formed on the outer circumferential surface of both ends of the cutting shaft which has a small diameter part in the center. By fitting the cut splines with the splines of those joints, the drive shaft and driven shaft are connected via the cutting shaft with the cutting shaft positioned coaxially with the drive shaft and the driven shaft. It was designed to do so. In this cutting shaft joint device, when an abnormal overload is applied to the cutting shaft during rotation, stress concentrates on the small diameter portion of the cutting shaft, causing the cutting shaft to break there, cutting off power transmission. Furthermore, in order to prevent the cut shaft from scattering outward when the cutting shaft is cut, the cutting shaft is covered by a cylindrical portion fixed to the joint.
Ｄ 考案が解決しようとする問題点
ところが、従来の切断軸接手装置の両接手の間
隔は、切断軸を覆う筒部が干渉するために縮める
ことができず、そのため切断軸接手装置を予め決
められた距離を隔てて同軸上に対向する駆動軸と
従動軸との間にその軸と直角方向から出入れする
ことができなかつた。すなわち従来は、駆動軸と
従動軸との間隔を広げなければ切断軸接手装置を
着脱することができず、例えば切断軸が切断され
てそれを交換するような場合に、原動機あるいは
負荷装置をその都度移動させる必要があり、その
作業に大変な手間がかかるという問題点があつ
た。D. Problems to be solved by the invention However, the distance between the two joints of the conventional cutting shaft joint device cannot be reduced because the cylindrical part covering the cutting shaft interferes with it. It was not possible to move in and out from the direction perpendicular to the drive shaft and the driven shaft, which coaxially oppose each other and are separated by a distance. In other words, conventionally, the cutting shaft coupling device could not be attached or detached without increasing the distance between the drive shaft and the driven shaft. There was a problem in that it had to be moved each time, which required a lot of effort.
Ｅ 問題点を解決するための手段
本考案は、上述した従来の切断軸接手装置にお
ける問題点を解決するものであり、駆動軸及び従
動軸に対する着脱の容易化を図つた切断軸接手装
置を提供することを目的としている。E. Means for Solving the Problems The present invention solves the problems in the conventional cutting shaft joint device described above, and provides a cutting shaft joint device that can be easily attached to and detached from the drive shaft and the driven shaft. It is intended to.
この日的を達成するための本考案にかかる切断
軸接手装置の構成は、駆動軸のフランジ接手と従
動軸のフランジ接手との間に設けられて該駆動軸
と該従動軸とを連結する切断軸接手装置であつ
て、前記両フランジ接手間の距離よりも短い長さ
を有し、中央に小径部を有すると共に両端部外周
面にスプラインが形成された切断軸と、前記駆動
軸及び従動軸のフランジ接手にそれぞれ固定され
るフランジ部を有すると共に先端側が軸方向及び
回転方向摺動自在に互いに嵌まり合う一方、それ
ぞれ前記切断軸のスプラインと噛み合うスプライ
ンが内周面に形成されてそれらのスプライン嵌合
により該切断軸を該駆動軸及び従動軸と同軸上で
軸方向移動可能に支持する一対の外筒と、前記切
断軸の両端にそれぞれ取付けられると共に前記外
筒がそれぞれ前記フランジ接手に固定される時に
該外筒と該フランジ接手とで挾持されて該切断軸
の位置を規制する一対のストツプリングとを具え
たことを特徴とするものである。 The configuration of the cutting shaft joint device according to the present invention to achieve this objective is that the cutting shaft joint device is provided between a flange joint of a drive shaft and a flange joint of a driven shaft to connect the driving shaft and the driven shaft. The shaft joint device includes a cutting shaft having a length shorter than the distance between the two flange joints, having a small diameter portion in the center, and splines formed on the outer peripheral surface of both ends, and the driving shaft and the driven shaft. The flange joints each have a flange portion that is fixed to the flange joint, and the distal ends thereof are fitted into each other so as to be slidable in the axial and rotational directions, and splines that engage with the splines of the cutting shaft are formed on the inner circumferential surface of each of the splines. a pair of outer cylinders that support the cutting shaft so as to be movable in the axial direction coaxially with the drive shaft and the driven shaft through fitting; and a pair of outer cylinders that are respectively attached to both ends of the cutting shaft and that the outer cylinders are each fixed to the flange joint. The cutting shaft is characterized by comprising a pair of stop rings which are clamped by the outer cylinder and the flange joint to regulate the position of the cutting shaft when the cutting shaft is being cut.
Ｆ 作用
駆動軸と従動軸とは切断軸を介して連結される
一方、切断軸に異常な過負荷が加わると、切断軸
の小径部に応力が集中してそこから切断軸が切断
され、動力の伝達が遮断される。ストツプリング
は切断軸を保持し、切断された切断軸の移動を防
止する。また、両外筒は軸方向に相対移動させて
その嵌合部の長さを変更することで軸方向長さを
伸縮でき、両外筒間距離を短縮させることで切断
軸及びストツプリングと共に装置全体を軸直角方
向から駆動軸のフランジ接手と従動軸のフランジ
接手の間に出入れ可能となる。F Effect The drive shaft and driven shaft are connected via the cutting shaft, but if an abnormal overload is applied to the cutting shaft, stress will concentrate on the small diameter part of the cutting shaft, cutting the cutting shaft from there, and the power will be lost. transmission is cut off. The stop ring holds the cutting shaft and prevents the cutting shaft from moving once it has been cut. In addition, by moving both outer cylinders relative to each other in the axial direction and changing the length of their fitting parts, the axial length can be expanded or contracted, and by shortening the distance between the two outer cylinders, the entire device together with the cutting shaft and stop spring can be can be inserted and removed between the flange joint of the drive shaft and the flange joint of the driven shaft from the direction perpendicular to the axis.
Ｇ 実施例
以下、本考案の一実施例を図面によつて詳細に
説明する。G. Example Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は本考案の一実施例にかかる切断接手装
置の縦断面図、第２図は同じくその着脱時の状態
を表わす縦断面図である。 FIG. 1 is a vertical cross-sectional view of a cutting joint device according to an embodiment of the present invention, and FIG. 2 is a vertical cross-sectional view showing the same state when it is attached and detached.
第１図に示すように、所定の間隔を隔てて同軸
上に対向する駆動軸１及び従動軸２の軸端にはそ
れぞれフランジ接手３，４が固定され、それらの
間に本案切断軸接手装置が配設される。駆動軸１
のフランジ接手３には第１外筒７のフランジ部９
が連結ボルト１１で締付けることで固定される一
方、従動軸２のフランジ接手４には第２外筒８の
フランジ部１０が同じく連結ボルト１１で締付け
ることで固定される。また、切断軸５は、異常な
過負荷がかかつたときに両軸１，２間の回転運動
の伝達を遮断するため、その中央に切断されやす
い小径部６が設けられると共に、小径部６の両側
の端部外周面にスプラインが形成されている。一
方、前記第１及び第２外筒７，８の内周面には切
断軸５のスプラインとそれぞれ噛み合うスプライ
ンが形成されており、それらのスプライン嵌合に
よつて切断軸５は両軸１，２と同軸上で軸方向移
動可能に支持される。さらに、第１及び第２外筒
７，８の先端側には、切断軸５の小径部６が切断
されたときにその破片が外方へ飛び散らないよう
に、切断軸５の小径部６外周を囲繞してそれぞれ
薄肉円筒形をなす安全カバー部１２，１３が形成
されると共に、それらの先端部が軸方向及び回転
方向摺動自在に互いに嵌まり合つている。また、
切断軸５が切断された場合に、二分割された切断
軸５が左右へ移動して外筒７，８等を傷つけたり
しないように、切断軸５の両端はストツプリング
１４で第１外筒７及び第２外筒８に固定される。
すなわち、ストツプリング１４は本実施例では、
中央に孔を有する二分割の円板形をなし、切断軸
５の両端の外周に設けられた溝に二分割されたス
トツプリング１４の孔部を挾むように嵌着すると
共に、ストツプリング１４の外周部をフランジ接
手３，４に外筒７，８をそれぞれ固定する時にそ
れらの間に挾むことによつて固定している。 As shown in FIG. 1, flange joints 3 and 4 are fixed to the shaft ends of a driving shaft 1 and a driven shaft 2, which coaxially face each other with a predetermined interval, and between them, the cutting shaft joint device according to the present invention. will be placed. Drive shaft 1
The flange joint 3 has a flange portion 9 of the first outer cylinder 7.
is fixed by tightening with a connecting bolt 11, while the flange portion 10 of the second outer cylinder 8 is similarly fixed to the flange joint 4 of the driven shaft 2 by tightening with a connecting bolt 11. Further, the cutting shaft 5 is provided with a small diameter portion 6 that is easily cut in the center in order to cut off transmission of rotational motion between the shafts 1 and 2 when an abnormal overload is applied. Splines are formed on the outer circumferential surface of both ends. On the other hand, splines that engage with the splines of the cutting shaft 5 are formed on the inner circumferential surfaces of the first and second outer cylinders 7 and 8, respectively. It is supported coaxially with 2 and movable in the axial direction. Further, on the distal end sides of the first and second outer cylinders 7 and 8, an outer periphery of the small diameter portion 6 of the cutting shaft 5 is provided to prevent fragments from scattering outward when the small diameter portion 6 of the cutting shaft 5 is cut. Thin cylindrical safety cover parts 12 and 13 are formed to surround the safety cover parts 12 and 13, respectively, and their tips are fitted into each other so as to be slidable in the axial and rotational directions. Also,
When the cutting shaft 5 is cut, both ends of the cutting shaft 5 are connected to the first outer cylinder 7 by a stop ring 14 so that the divided cutting shaft 5 does not move left or right and damage the outer cylinders 7, 8, etc. and is fixed to the second outer cylinder 8.
That is, in this embodiment, the stop ring 14 is
The stop ring 14 has a two-part disc shape with a hole in the center, and is fitted into grooves provided on the outer periphery of both ends of the cutting shaft 5 so as to sandwich the two-part stop ring 14 into the hole. When the outer cylinders 7 and 8 are respectively fixed to the flange joints 3 and 4, they are fixed by being sandwiched between them.
切断軸５の交換を容易にするため、両フランジ
接手３，４間の距離L1よりも切断軸５の全長L2
が小さく形成され、切断軸５はその軸方向と直角
方向へ移動すれば取り外せるように形成される。
また、このためストツプリング１４のフランジ接
手３及びフランジ接手４との当接面１５は、切断
軸５の端面よりそれぞれ外側（フランジ接手３，
４側）に突出して形成されている。 To facilitate replacement of the cutting shaft 5, the total length L 2 of the cutting shaft 5 is longer than the distance L 1 between both flange joints 3 and 4.
is formed small, and the cutting shaft 5 is formed so that it can be removed by moving in a direction perpendicular to the axial direction.
Further, for this reason, the contact surfaces 15 of the stop ring 14 with the flange joints 3 and 4 are located on the outside (flange joints 3, 4) of the end surfaces of the cutting shaft 5, respectively.
4 side).
このような本考案にかかる切断軸接手装置にお
いては、駆動軸１と従動軸２とは切断軸５を介し
て連結されて動力の伝達が行われる一方、異常な
過負荷が加わると切断軸５の小径部６に応力が集
中してそこから切断軸５が切断され、動力の伝達
が遮断される。切断軸５が切断された場合には、
切断軸５の取替えが行われるが、これは第２図に
示すように、まず連結ボルト１１を取り外すこと
によつてフランジ接手３と第１外筒７及びフラン
ジ接手４と第２外筒８を分離する。次に、第１外
筒７及び第２外筒８をそれぞれ切断軸５の中央部
に向つて移動させることで両外筒７，８の両端間
距離を短縮させた後、両外筒７，８、切断軸５、
ストツプリング１４をまとめて軸方向に対して直
角方向へ移動させて取り外す。また、切断軸５は
切断されているので、右、左別々にストツプリン
グ１４と共にそれぞれ右方向、左方向へ引き抜け
ばよい。次に、新しい切断軸５にその両側からそ
れぞれ第１外筒７，第２外筒８を挿通した後、ス
トツプリング１４を切断軸５の両端に嵌着する。
そのあとは前述の取り外しと逆の手順により、新
しい切断軸５を駆動軸１と従動軸２の間に装着す
ることができる。 In such a cutting shaft joint device according to the present invention, the driving shaft 1 and the driven shaft 2 are connected via the cutting shaft 5 to transmit power, but when an abnormal overload is applied, the cutting shaft 5 Stress is concentrated on the small diameter portion 6 of the cutting shaft 5, and the cutting shaft 5 is cut therefrom, cutting off power transmission. When the cutting shaft 5 is cut,
The cutting shaft 5 is replaced, as shown in FIG. 2, by first removing the connecting bolts 11 and then removing the flange joint 3 and the first outer cylinder 7 and the flange joint 4 and the second outer cylinder 8. To separate. Next, after shortening the distance between both ends of both outer cylinders 7 and 8 by moving the first outer cylinder 7 and the second outer cylinder 8 toward the center of the cutting shaft 5, 8, cutting axis 5,
The stop rings 14 are removed by moving them together in a direction perpendicular to the axial direction. Further, since the cutting shaft 5 is cut, the right and left sides can be pulled out together with the stop ring 14 to the right and to the left, respectively. Next, after inserting the first outer cylinder 7 and the second outer cylinder 8 into the new cutting shaft 5 from both sides thereof, the stop rings 14 are fitted to both ends of the cutting shaft 5.
Thereafter, a new cutting shaft 5 can be installed between the drive shaft 1 and the driven shaft 2 by reversing the removal procedure described above.
Ｈ 考案の効果
以上、一実施例を挙げて詳細に説明したように
本考案による切断軸接手装置は、駆動軸と従動軸
との間にその軸直角方向から出入れすることが可
能となるため、駆動軸と従動軸の軸方向の間隔を
変えずに切断軸の取替えを行うことができ、その
取替作業の簡素化が図れる。H. Effects of the invention As explained above in detail with reference to one embodiment, the cutting shaft joint device according to the invention can be inserted and removed between the drive shaft and the driven shaft from the direction perpendicular to the shafts. The cutting shaft can be replaced without changing the axial distance between the drive shaft and the driven shaft, and the replacement work can be simplified.
第１図は本考案の一実施例にかかる切断軸接手
装置の縦断面図、第２図は同じくその着脱時の状
態を表わす縦断面図である。
図面中、１は駆動軸、２は従動軸、３，４はフ
ランジ接手、５は切断軸、６は小径部、７は第１
外筒、８は第２外筒、９，１０はフランジ部、１
１は連結ボルト、１２，１３は安全カバー部、１
４はストツプリングである。
FIG. 1 is a vertical cross-sectional view of a cutting shaft joint device according to an embodiment of the present invention, and FIG. 2 is a vertical cross-sectional view showing the same state when it is attached and detached. In the drawing, 1 is a drive shaft, 2 is a driven shaft, 3 and 4 are flange joints, 5 is a cutting shaft, 6 is a small diameter part, and 7 is a first
An outer cylinder, 8 is a second outer cylinder, 9 and 10 are flange parts, 1
1 is a connecting bolt, 12 and 13 are safety cover parts, 1
4 is a stop ring.
Claims (1)
との間に設けられて該駆動軸と該従動軸とを連結
する切断軸接手装置であつた、前記両フランジ接
手間の距離よりも短い長さを有し、中央に小径部
を有すると共に両端部外周面にスプラインが形成
された切断軸と、前記駆動軸及び従動軸のフラン
ジ接手にそれぞれ固定されるフランジ部を有する
と共に先端側が軸方向及び回転方向摺動自在に互
いに嵌まり合う一方、それぞれ前記切断軸のスプ
ラインと噛み合うスプラインが内周面に形成され
てそれらのスプライン嵌合により該切断軸を該駆
動軸及び従動軸と同軸上で軸方向移動可能に支持
する一対の外筒と、前記切断軸の両端にそれぞれ
取付けられると共に前記外筒がそれぞれ前記フラ
ンジ接手に固定される時に該外筒と該フランジ接
手とで挾持されて該切断軸の位置を規制する一対
のストツプリングとを具えたことを特徴とする切
断軸接手装置。 A cutting shaft joint device is provided between a flange joint of a drive shaft and a flange joint of a driven shaft to connect the drive shaft and the driven shaft, and the length is shorter than the distance between the two flange joints. It has a cutting shaft having a small diameter part in the center and splines formed on the outer peripheral surface of both ends, and a flange part fixed to the flange joints of the drive shaft and driven shaft, respectively, and the tip side is oriented in the axial and rotational directions. While they are slidably fitted into each other, splines are formed on the inner peripheral surface that engage with the splines of the cutting shaft, and the engagement of these splines moves the cutting shaft in the axial direction coaxially with the drive shaft and the driven shaft. a pair of outer cylinders that can support the cutting shaft; and a pair of outer cylinders that are respectively attached to both ends of the cutting shaft, and when the outer cylinders are respectively fixed to the flange joints, they are held between the outer cylinders and the flange joints to control the position of the cutting shaft. A cutting shaft joint device characterized by comprising a pair of stop rings for regulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9381281U JPS6114750Y2 (en) | 1981-06-26 | 1981-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9381281U JPS6114750Y2 (en) | 1981-06-26 | 1981-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57205422U JPS57205422U (en) | 1982-12-27 |
| JPS6114750Y2 true JPS6114750Y2 (en) | 1986-05-08 |
Family
ID=29888780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9381281U Expired JPS6114750Y2 (en) | 1981-06-26 | 1981-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114750Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359203C (en) * | 2002-05-29 | 2008-01-02 | 萱场工业株式会社 | Electromagnetic buffer |
| JP4285465B2 (en) * | 2005-10-04 | 2009-06-24 | 株式会社デンソー | Power transmission device |
| JP2010078054A (en) * | 2008-09-26 | 2010-04-08 | Sakamoto Seisakusho:Kk | Protection device for flexible hose unit |
-
1981
- 1981-06-26 JP JP9381281U patent/JPS6114750Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57205422U (en) | 1982-12-27 |
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