JPS5911943U

JPS5911943U - Marine small speed reducer/reverser

Info

Publication number: JPS5911943U
Application number: JP10702182U
Authority: JP
Inventors: 敬武
Original assignee: 新潟コンバ−タ−株式会社
Priority date: 1982-07-16
Filing date: 1982-07-16
Publication date: 1984-01-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１〜３図は、従来公知の舶用小形減速逆転機の典型的
な３種類の例を示す説明図、第４図は、本考案の第一実
施例を示す縦断面図、第５及び第６図は、その多板式ク
ラッチのを二つの異なった作動状態において示す拡大図
、第７図は、本考案の第二実施例を示す縦断面図である
。Ａ・・・逆転機構部；Ｂ・・・減速機構部；Ｐ・・・ポ
ンプ；ＲＶ・・・ＩＪ　リーフ弁；１２・・・入力軸；
１３・・・駆動カサ歯車；１−３１・・・スプライン；
１３□・・・ハブ部；１５・・−・被動力す歯車；１５
２・・・ハブ部；１５３・・・スプライン；１７・・・
中間カサ歯車：２１・・・ピニオン；２２・・・ピニオ
ン軸；２２□・・・スプライン；２４・・・大歯車：２
５・・・出力軸；３０・・・多板式クラッチ；３１・・
・逆転軸；３１□・・・スプライン；３２・・・クラッ
チキャリヤ；３２．．３２□・・・スプライン；３３．
３４・・・摩擦板；３５□、３５□・・・　　　−バッ
クプレート；３７・・・中間板；４０・・・作動ピスト
ン；４１・・・ピストン室；４４，４５・・・油圧室；
５０゜５１・・・油圧ピストン、５４．５５・・・油圧
室；５６゜５７・・・油路、５８．５９・・・円周溝。1 to 3 are explanatory diagrams showing three typical examples of conventionally known small marine speed reduction/reversing gears; FIG. 4 is a longitudinal sectional view showing the first embodiment of the present invention; FIG. 6 is an enlarged view showing the multi-disc clutch in two different operating states, and FIG. 7 is a longitudinal sectional view showing a second embodiment of the present invention. A... Reverse mechanism section; B... Deceleration mechanism section; P... Pump; RV... IJ leaf valve; 12... Input shaft;
13... Drive bevel gear; 1-31... Spline;
13□...Hub part; 15...Driven helical gear; 15
2...Hub part; 153...Spline; 17...
Intermediate bevel gear: 21... Pinion; 22... Pinion shaft; 22□... Spline; 24... Large gear: 2
5... Output shaft; 30... Multi-plate clutch; 31...
・Reverse rotation shaft; 31□... Spline; 32... Clutch carrier; 32. ．． 32□...Spline; 33.
34... Friction plate; 35□, 35□... - Back plate; 37... Intermediate plate; 40... Operating piston; 41... Piston chamber; 44, 45... Hydraulic chamber;
50°51...Hydraulic piston, 54.55...Hydraulic chamber; 56°57...Oil passage, 58.59...Circumferential groove.

Claims

[Scope of claims for utility model registration] 1 Gear boxes 10.
Reversing mechanism section A and deceleration mechanism section B integrally having 20
The reversing mechanism part A is formed integrally with the input shaft 12 inside the gear box 10, and has a drive bevel gear 13 having a hollow hub part pivotally supported by the gear box 10; a driven helical gear 15 disposed opposite the coaxial center at a distance; and an intermediate bevel gear 17 meshing with both bevel gears 13, 15 and disposed at right angles to their axes. In the space between the driving helical gear 13 and the driven helical gear 15, the hub portions 13 of the driving and driven helical gears 13 and 15 facing each other are provided.
A clutch carrier is integrated with a reversing shaft 31 which is spline-fitted with an inner friction plate 32 at ゜ and 15 □ and is supported concentrically with the input shaft 12 in the hollow part of the hub portion 13゜ of the drive bevel gear 13 by a bearing 18. 32 and outer friction plates 34 are spline-engaged, and a multi-plate clutch 30 in which both friction plates 33 and 34 are engaged alternately is connected to the shaft so that it can be selectively engaged with the driving bevel gear 13 or the driven helical gear 15. The reduction mechanism section B has a pinion 21 inside its gear box 20, and a hollow pinion that is coaxial with the reversing shaft 31 and spline-fitted with this shaft. A shaft 22 and an output shaft 25 to which a large gear 24 that meshes with the pinion 21 is fixed are rotatably supported parallel to the axis of the input shaft 12, and the reversing shaft 31 is connected to a speed reduction mechanism. A driving cover that is integral with the input shaft 12 extends from B to the inside of the gear box 10 of the reversing mechanism A by loosely passing through the hollow pinion shaft 22 and the shaft center of the driven helical gear 15 of the reversing mechanism A. A small marine speed reduction/reversing machine that is pivotally supported concentrically in the hollow part of a gear 13 by a bearing 18. 2. The multi-disc clutch 30 is located at the hub portion 13□ where the driving bevel gear 13 and the driven helical gear 15 face each other. Splines 13□ each formed on the outer surface of 15□
, 153, a number of inner friction plates 3 that engage at the inner periphery.
3, a number of outer friction plates 34 inserted between each friction plate 33, and splines 32.3 that engage these outer friction plates 34 at their outer peripheries. ．． It consists of a clutch carrier 32, each having an angle of 32°, and back plates 35□, 35° disposed at each end of the clutch carrier 32 facing the driving bevel gear 13 and the driven helical gear 15, respectively. , the clutch carrier 32 is connected to the reverse rotation shaft 3.
Scope of claims for utility model registration No. 1 that is integrated with No. 1
A small reversing speed reducer for marine vessels as described in . 3. The end of the reversing shaft 31 on the side of the speed reduction mechanism B protrudes from the outer end surface of the gear box 20, and the working piston 40 is fixed to the end, and the piston chamber is fixed to the outer surface of the gear box 20. The inside of the piston chamber 41 is divided into two hydraulic chambers 44 and 45 by an operating piston 40, and clutch oil is selected for each hydraulic chamber 44 and 45 via a switching valve 46. I will supply it to you
A small reversing speed reducer for marine vessels as set forth in claim 2 of the utility model registration claim. 4. The small reversing speed reducer for marine vessels according to any one of claims 1 to 3, wherein each of the inner friction plates 33 is made of a steel plate warped like a bell spring. 5 Reverse 1kJQi1 at the part of the clutch carrier 32 fixed to the reverse rotation shaft 31 in a direction perpendicular to its axis
A pair of hydraulic pistons 50.51 are disposed on 31 so as to be movable in the axial direction, and these hydraulic pistons 50.51
the intermediate plate 32. of the clutch carrier 32. A pair of hydraulic chambers 54.55 are formed in opposite directions and are divided by a partition wall 37 within the housing. A pair of oil passages 56, 5 opened in the axial direction of the reversing shaft 31 transports pressure oil.
7. The small reversing speed reducer for marine vessels according to claim 2, which is selectively supplied through the Utility Model Registered Claim. 6 A pair of circumferences R58 and 59 are connected to the end portion of the reversing shaft 31 on the side of the speed reduction mechanism part B so as to communicate with each of the pair of oil passages 56 and 57 opened in the axial direction of the operating shaft 31. A clutch oil switching valve 4 is provided in these circumferential grooves 56 and 57.
6. The small reversing speed reducer for marine vessels according to claim 5, which is selectively supplied through the utility model registration claim 5. 7 Clutch operating pressure oil is lubricating oil stored in the gear box 20 of the reduction mechanism section B, and is pressurized by the pump P, and the pressure is regulated by the relief valve RV, and the switching valve 4
6. A small reversing speed reducer for marine vessels according to claim 3 or 6 of the utility model registration claim.