JP2843553B2 - Universal joint - Google Patents
Universal jointInfo
- Publication number
- JP2843553B2 JP2843553B2 JP8205695A JP20569596A JP2843553B2 JP 2843553 B2 JP2843553 B2 JP 2843553B2 JP 8205695 A JP8205695 A JP 8205695A JP 20569596 A JP20569596 A JP 20569596A JP 2843553 B2 JP2843553 B2 JP 2843553B2
- Authority
- JP
- Japan
- Prior art keywords
- pins
- holes
- hole
- universal joint
- fork
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は船舶用プロペラ軸の
自在継手(ユニバーサルジョイント)に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a universal joint for a marine propeller shaft.
【0002】[0002]
【従来の技術】従来、海岸の潟等を航行する船舶ではプ
ロペラ軸を船外部分で昇降させて水深にプロペラを適応
させた。2. Description of the Related Art Conventionally, in a ship navigating a coastal lagoon or the like, a propeller shaft is moved up and down at an outboard portion to adapt the propeller to the water depth.
【0003】しかし水深が浅くなるとプロペラは勿論プ
ロペラ軸の船外部分が潟に近接し、船外部分にある自在
継手が潟を攪拌し摩耗を促進し耐用年数が減少した。However, when the water depth becomes shallow, the outboard portion of the propeller as well as the propeller shaft comes close to the lagoon, and the universal joint on the outboard portion agitates the lag and promotes abrasion, thereby shortening the service life.
【0004】又十字コマ内でクロスする直交ピンは前後
方向にずれた位置に設けられているためプロペラ軸が自
在継手から曲がると自在継手に著しい振動を発生しピン
その他の部分の亀裂切損を生じるという問題があった。Further, since the orthogonal pins crossing in the crosspiece are provided at positions shifted in the front-rear direction, when the propeller shaft bends from the universal joint, remarkable vibration is generated in the universal joint and cracks in pins and other parts are reduced. There was a problem that would occur.
【0005】[0005]
【発明が解決しようとする課題】本発明は舶用プロペラ
軸の船外部分に介設する自在継手による円滑な回転が得
られ、土砂又は泥による摩耗が少なく耐用年数の長い自
在継手を得ることを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a universal joint having a long service life in which a universal joint provided on an outboard portion of a marine propeller shaft provides a smooth rotation, is less worn by earth and sand or mud, and has a long service life. Aim.
【0006】[0006]
【課題を解決するための手段】上記の目的を達成するた
め本発明は 十字コマの上下及び左右面に上下及び左右方向の透孔を
穿設し、両透孔の中心線が十字コマの中心で直交し、前
部本体の後端2股で上記左右面を、後部本体の前端2股
で上記上下面を挟持し、後端の上記2股に十字コマの上
記左右方向透孔に符合するピン挿入透孔を穿設し、1個
の左右方向ピンを左右の両ピン挿入透孔と十字コマの左
右方向透孔とに挿通し、前端の上記2股に十字コマの上
下方向透孔に符合する螺孔を穿設し、2個の上下方向ピ
ンを上下の上記螺孔に螺入しさらに十字コマの上下方向
透孔内に挿入し、2個の上下方向ピンの先端と1個の左
右方向ピンの側面との間に間隙を介在させた状態で2個
の上下方向ピンの頭部に上記前端2股の外面に接するス
トッパーを設けかつ2個の上下方向ピンに穿設した連通
孔によって上記間隙と該ピンの外端外部とを連通させて
なるユニバーサルジョイント 上記ストッパーの外周から上記2個の上下方向ピンの頭
部中程に至る円錐面を形成し、前端2股の基部外面に設
けた前向雌螺孔に上記円錐面に接する円錐形先端を有す
る雄螺子を螺合させてなるユニバーサルジョイント によって構成される。In order to achieve the above-mentioned object, the present invention is characterized in that through holes are formed in the vertical and horizontal directions on the upper and lower and left and right sides of the cross piece, and the center line of both holes is the center of the cross piece. The right and left surfaces are sandwiched between the rear ends of the front body, and the upper and lower surfaces are sandwiched between the front ends of the rear body. A pin insertion hole is drilled, and one left and right pin is inserted into both the left and right pin insertion holes and the left and right cross holes of the cross frame, and the front fork is inserted into the vertical cross hole of the cross frame. A corresponding screw hole is drilled, two vertical pins are screwed into the upper and lower screw holes, and further inserted into the vertical through holes of the cross-piece, and the tips of the two vertical pins and one A stopper that comes into contact with the outer surface of the front fork at the heads of the two vertical pins with a gap interposed between the side faces of the horizontal pins. And a universal joint formed by connecting the gap with the outside of the outer end of the pin by a communication hole formed in the two vertical pins, from the outer periphery of the stopper to the head of the two vertical pins. And a universal joint formed by screwing a male screw having a conical tip in contact with the conical surface into a forward female screw hole provided on the outer surface of the base at the front end.
【0007】[0007]
【発明の実施の形態】本発明の自在継手20(ユニバー
サルジョイント)は船舶の船外のプロペラ軸19に介設
し、自在継手20から推進プロペラ21までのプロペラ
軸19を昇降杆22を昇降させることによって図4実線
位置から仮想線の位置まで昇降させることができる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A universal joint 20 (universal joint) according to the present invention is provided on a propeller shaft 19 outside a ship, and moves a lifting rod 22 up and down on a propeller shaft 19 extending from the universal joint 20 to a propelling propeller 21. This makes it possible to move up and down from the solid line position in FIG. 4 to the virtual line position.
【0008】後部本体5には推進プロペラ21までの後
部プロペラ軸19’を接続し、前部本体4には船尾管2
3を経て船体24内のエンジンに接続する前部プロペラ
軸19”を接続する。A rear propeller shaft 19 'up to a propelling propeller 21 is connected to the rear main body 5, and a stern tube 2 is connected to the front main body 4.
3 and the front propeller shaft 19 "which is connected to the engine in the hull 24 is connected.
【0009】従って前部プロペラ軸19”が回転すると
前部本体4及びその後端2股6、6が回転し、それに伴
って十字コマ1を介して前端2股7、7及び後部本体5
が回転し、それに伴って後部プロペラ軸19’を回転さ
せる。Accordingly, when the front propeller shaft 19 "rotates, the front body 4 and the rear forks 6, 6 rotate, and accordingly, the front fork 7, 7, and the rear body 5 via the crosspiece 1.
Rotates, which in turn rotates the rear propeller shaft 19 '.
【0010】十字コマ1は後端2股6、6及び前端2股
7、7に接し、1個の左右方向ピン10及び2個の上下
方向ピン11、11に枢支され、上下方向ピン11、1
1の中心線cと左右方向ピン10の中心線c’とが十字
コマ1の中心c”で同一平面内で直交しているため、十
字コマ1は両中心線c、c’を含む同一平面に沿って前
後のプロペラ軸19’、19”の方向には関係なく回転
する。The crosspiece 1 contacts the rear fork 6, 6 and the front fork 7, 7, and is pivotally supported by one left-right pin 10 and two vertical pins 11, 11, and , 1
1 and the center line c ′ of the left and right direction pins 10 are orthogonal to each other in the same plane at the center c ″ of the crosspiece 1, so that the crosspiece 1 is the same plane including both centerlines c and c ′. Along the front and rear propeller shafts 19 ', 19 "regardless of the direction.
【0011】水深の浅い潟では泥水が上下左右方向の透
孔2、3内に進入するが1個のピン10と2個のピン1
1、11との間隙t、tから2個のピン11、11の連
通孔14、14を経て2個のピン11、11の外端から
放出され、十字コマ1の透孔2、3と1個及び2個のピ
ン10、11、11との間に泥が詰るおそれがなくピン
10、11、11や透孔2、3の摩耗が防止され、自在
継手全体の振動が防止される。In a shallow lagoon, muddy water enters the through holes 2 and 3 in the vertical and horizontal directions.
From the gaps t, t between the two pins 11, 11 through the communication holes 14, 14, the two pins 11, 11, are discharged from the outer ends of the two pins 11, 11, and the through holes 2, 3, 1 There is no danger of mud clogging between the individual pins and the two pins 10, 11, 11, and wear of the pins 10, 11, 11 and the through holes 2, 3 is prevented, and vibration of the entire universal joint is prevented.
【0012】[0012]
【実施例】短い正4角柱体を図1に示すように横向とな
し、上下面1’、1’及び左右面1”、1”の中心部に
互いに直交する透孔2、3を穿設し、両透孔2、3のそ
れぞれ中心線c、c’を正4角柱体の内部中心c”にお
いて交差させる。又上下方向の透孔2は上下面1’、
1’と直交し上記正4角柱体の底面1aと平行であり、
左右方向の透孔3は左右面1”、1”と直交し上記底面
1aと平行で直交中心線c、c’を含む平面も該底面1
aと平行であって十字コマ1が形成される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a short regular quadrangular prism is made to be horizontal, and through holes 2, 3 are formed at the center of upper and lower surfaces 1 ', 1' and left and right surfaces 1 ", 1". The center lines c and c ′ of the two through holes 2 and 3 intersect at the inner center c ″ of the regular quadrangular prism.
Orthogonal to 1 ′, parallel to the bottom surface 1a of the regular quadrangular prism,
The left and right through holes 3 are orthogonal to the left and right surfaces 1 "and 1", are parallel to the bottom surface 1a, and include a plane including orthogonal center lines c and c '.
A crosspiece 1 is formed in parallel with a.
【0013】十字コマ1の左右面1”、1”には前部本
体4の後端2股6、6の対向面が接触して左右面1”、
1”を該2股6、6で挟持し、十字コマ1の左右方向透
孔3に符合するピン挿入透孔8、8を穿設し1個の左右
方向ピン10を挿入して後端2股6、6と十字コマ1と
を左右方向ピン10で枢着する。The left and right surfaces 1 ", 1" of the crosspiece 1 are in contact with the opposing surfaces of the rear ends 6, 6 of the front body 4 so that the left and right surfaces 1 ", 1",
1 "is sandwiched between the forks 6 and 6, the pin insertion through holes 8 and 8 corresponding to the left and right through holes 3 of the crosspiece 1 are formed, and one left and right direction pin 10 is inserted into the rear end 2 thereof. The crotch 6, 6 and the crosspiece 1 are pivotally connected with the left and right pins 10.
【0014】又十字コマ1の上下面1’、1’には後部
本体5の前端2股7、7の対向面が接触して上下面
1’、1’を該2股7、7で挟持し、十字コマ1の上下
方向透孔2に符合する螺孔9、9を該2股7、7に穿設
し、上記左右方向ピン10のほぼ2分の1の長さの2個
のピン11、11の基部の雄螺子部11’をそれぞれ上
記螺孔9、9に螺入し該雄螺子部11’の先にあるピン
部11”を上下方向透孔2内に挿入する。The upper and lower surfaces 1 'and 1' of the crosspiece 1 are in contact with the opposing surfaces of the front end bifurcations 7 and 7 of the rear body 5 so that the upper and lower surfaces 1 'and 1' are sandwiched between the bifurcations 7 and 7. Then, screw holes 9, 9 corresponding to the up-down direction through holes 2 of the crosspiece 1 are drilled in the forks 7, 7, and two pins having a length approximately half of the left-right direction pin 10 are provided. The male screw portions 11 ′ at the bases of the male screw portions 11, 11 are respectively screwed into the screw holes 9, 9, and the pin portion 11 ″ at the tip of the male screw portion 11 ′ is inserted into the vertical through hole 2.
【0015】上記2個のピン部11”、11”の先端と
1個の左右方向ピン10の側面との間には間隙t、tを
介在させ、その位置を保持するストッパー13、13を
2個のピン11、11の頭部12、12に設け、ストッ
パー13、13を十字コマ1の上下面1’、1’に接触
させることによって上記間隙t、tが保持される。Between the tips of the two pin portions 11 ", 11" and the side surface of one left-right pin 10, gaps t, t are interposed, and stoppers 13, 13 for holding the positions are provided. The gaps t, t are maintained by providing the stoppers 13, 13 on the heads 12, 12, of the individual pins 11, 11, and bringing the stoppers 13, 13 into contact with the upper and lower surfaces 1 ', 1' of the crosspiece 1.
【0016】上記ストッパー13、13は円形であって
円周から頭部12の中程に至る円錐面15が形成され、
かつ後部本体5の前部2股7、7の基部に設けた前向雌
螺孔16に螺入した小雄螺子18の前端部に円錐形先端
17を設け、該円錐形先端17の円錐面を図2に示すよ
うにストッパー13の円錐面15に係合させることによ
って2個のそれぞれのピン11、11の雄螺子部1
1’、11’の弛みを止め、ピン11、11の脱落を防
止することができる。The stoppers 13 and 13 are circular and have a conical surface 15 extending from the circumference to the center of the head 12.
A conical tip 17 is provided at the front end of a small male screw 18 screwed into a forward female screw hole 16 provided at the base of the front fork 7, 7 of the rear body 5, and the conical surface of the conical tip 17 is provided. Is engaged with the conical surface 15 of the stopper 13 as shown in FIG.
The loosening of 1 ', 11' can be stopped, and the pins 11, 11 can be prevented from falling off.
【0017】後部本体5の前端2股7、7と前部本体4
の後端2股6、6とは直交していれば足り、前後何れが
十字コマ1の上下面1’、1’に接するか又は左右面
1”、1”に接するかは前後の本体4、5の90度回転
によって変更されるのみで何れでも差支えない。The front end bifurcation 7, 7 of the rear body 5 and the front body 4
It suffices if it is perpendicular to the rear fork 6, 6, and whether the front or rear is in contact with the upper and lower surfaces 1 ′, 1 ′ or the left and right surfaces 1 ″, 1 ″ of the front and rear body 4 is determined. 5 can be changed only by 90-degree rotation.
【0018】尚図1中25で示すものは左右方向ピン1
0の頭部、26は該ピン10の先端部雄螺子、27は該
雄螺子26に螺合するナット、28は割ピン、29は割
ピン孔、30は割ピン挿入切欠、31は十字コマ1の角
部面取部である。The reference numeral 25 in FIG.
0, 26 is a male screw at the tip of the pin 10, 27 is a nut to be screwed into the male screw 26, 28 is a split pin, 29 is a split pin hole, 30 is a cutout insertion cutout, and 31 is a crosspiece 1 is a corner chamfer.
【0019】[0019]
【発明の効果】本発明は上述のように構成したので水深
の浅い海域を航行する船舶において船外部のプロペラ軸
の自在継手の回転がプロペラ軸の昇降時において振動が
少なく円滑静粛に行われ、摩耗を軽減することができ
る。According to the present invention, the universal joint of the propeller shaft on the outboard side of a ship navigating in a shallow water area is smoothly and quietly reduced with little vibration when the propeller shaft is moved up and down. Wear can be reduced.
【0020】十字コマの上下及び左右方向の透孔とピン
との間に進入する泥水による十字コマの摩耗が防止さ
れ、進入泥水は上記間隙から連通孔を経て自在継手外に
排出され、泥による十字コマの上下左右の透孔及びピン
の摩耗が防止されユニバーサルジョイントの耐用年数を
向上し得る効果がある。Abrasion of the cruciform piece by muddy water that enters between the pins in the up and down and left and right directions of the cruciform piece is prevented, and the invading muddy water is discharged from the gap through the communication hole to the outside of the universal joint, and the muddy cross is formed. The upper and lower left and right through holes and pins are prevented from being worn, and the useful life of the universal joint can be improved.
【図1】本発明のユニバーサルジョイントの分解斜視図
である。FIG. 1 is an exploded perspective view of a universal joint according to the present invention.
【図2】上記ジョイントの一部切欠組立側面図である。FIG. 2 is a partially cutaway side view of the joint.
【図3】図2A−A線による縦断面図である。FIG. 3 is a longitudinal sectional view taken along the line AA of FIG. 2;
【図4】プロペラ軸に取付けた状態の側面図である。FIG. 4 is a side view of a state in which it is attached to a propeller shaft.
1 十字コマ 1’ 上下面 1” 左右面 2 上下方向透孔 3 左右方向透孔 c、c’ 中心線 c” 中心 4 前部本体 5 後部本体 6 後端2股 7 前端2股 8 ピン挿入透孔 9 螺孔 10 1個の左右方向ピン 11 2個の上下方向ピン t 間隙 12 頭部 13 ストッパー 14 連通孔 15 円錐面 16 前向雌螺孔 17 円錐形先端 18 雄螺子 DESCRIPTION OF SYMBOLS 1 Cross frame 1 'Upper / lower surface 1 "Left and right side 2 Vertical through hole 3 Right and left through hole c, c' Center line c" Center 4 Front main body 5 Rear main body 6 Rear end fork 7 Front end fork 8 Pin insertion through Hole 9 Screw hole 10 One left and right direction pin 11 Two vertical pins t Gap 12 Head 13 Stopper 14 Communication hole 15 Conical surface 16 Front female screw hole 17 Conical tip 18 Male screw
Claims (2)
右方向の透孔を穿設し、両透孔の中心線が十字コマの中
心で直交し、前部本体の後端2股で上記左右面を、後部
本体の前端2股で上記上下面を挟持し、後端の上記2股
に十字コマの上記左右方向透孔に符合するピン挿入透孔
を穿設し、1個の左右方向ピンを左右の両ピン挿入透孔
と十字コマの左右方向透孔とに挿通し、前端の上記2股
に十字コマの上下方向透孔に符合する螺孔を穿設し、2
個の上下方向ピンを上下の上記螺孔に螺入しさらに十字
コマの上下方向透孔内に挿入し、2個の上下方向ピンの
先端と1個の左右方向ピンの側面との間に間隙を介在さ
せた状態で2個の上下方向ピンの頭部に上記前端2股の
外面に接するストッパーを設けかつ2個の上下方向ピン
に穿設した連通孔によって上記間隙と該ピンの外端外部
とを連通させてなるユニバーサルジョイント。An up-down and left-right through-hole is formed in the up-down and left-right surfaces of the cross-piece, and the center lines of both through-holes are orthogonal to each other at the center of the cross-piece and the fore-end at the rear end of the front body. The left and right surfaces are sandwiched between the upper and lower surfaces by the front fork of the rear body, and a pin insertion through-hole corresponding to the left and right through-hole of the cross piece is formed in the fork at the rear end, and one left and right direction is provided. Pins are inserted into both the left and right pin insertion through holes and the left and right through holes of the crosspiece, and a screw hole corresponding to the up and down direction hole of the crosspiece is formed in the fork at the front end.
The upper and lower pins are screwed into the upper and lower screw holes, and further inserted into the upper and lower through holes of the cross frame, and a gap is formed between the tip of the two upper and lower pins and the side surface of one left and right pin. A stopper is provided on the heads of the two vertical pins with the interposition of the stopper and is in contact with the outer surface of the front fork, and a communication hole formed in the two vertical pins defines the gap and the outside of the outer ends of the pins. A universal joint that communicates with
下方向ピンの頭部中程に至る円錐面を形成し、前端2股
の基部外面に設けた前向雌螺孔に上記円錐面に接する円
錐形先端を有する雄螺子を螺合させてなるユニバーサル
ジョイント。2. A conical surface extending from the outer periphery of the stopper to the middle of the heads of the two vertical pins, and comes into contact with the conical surface in a forward female screw hole provided on the outer surface of the base of the front fork. A universal joint made by screwing male threads having a conical tip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8205695A JP2843553B2 (en) | 1996-08-05 | 1996-08-05 | Universal joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8205695A JP2843553B2 (en) | 1996-08-05 | 1996-08-05 | Universal joint |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1047363A JPH1047363A (en) | 1998-02-17 |
JP2843553B2 true JP2843553B2 (en) | 1999-01-06 |
Family
ID=16511186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8205695A Expired - Fee Related JP2843553B2 (en) | 1996-08-05 | 1996-08-05 | Universal joint |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2843553B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003469A (en) * | 2010-11-19 | 2011-04-06 | 长沙南车电气设备有限公司 | Universal coupler for photoelectric sensor |
CN102384174B (en) * | 2011-07-11 | 2015-12-09 | 安东石油技术(集团)有限公司 | Universal joint |
CN102776909B (en) * | 2012-08-17 | 2014-08-27 | 江苏柳工机械有限公司 | Oil cylinder connecting device |
CN103568723B (en) * | 2013-11-01 | 2015-09-30 | 晋江闽阳汽车部件制造有限公司 | The connecting assembly of the universal semiaxis of a kind of vehicle drive axle list |
CN104912951A (en) * | 2015-06-19 | 2015-09-16 | 江苏荣基重工科技有限公司 | Cardan joint capable of being assembled and disassembled rapidly |
CN105692110A (en) * | 2016-04-08 | 2016-06-22 | 朱德仲 | Cross balance shaft of roller conveyor |
-
1996
- 1996-08-05 JP JP8205695A patent/JP2843553B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH1047363A (en) | 1998-02-17 |
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