JPH03114636U

JPH03114636U -

Info

Publication number: JPH03114636U
Application number: JP2187790U
Authority: JP
Priority date: 1990-03-06
Filing date: 1990-03-06
Publication date: 1991-11-26
Anticipated expiration: 2005-03-06
Also published as: JP2532655Y2

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の油圧制御装置を有する多板ク
ラツチ付静圧継手を設置した動力伝達系を、第２
図は同じくその継手の−断面を、第３図は
−断面を、そして第４図は入出力軸間の毎分当
りの回転数差と伝達トルクの関係をそれぞれ図示
したものである。８……入力軸、１１……歯車ポンプ、１２，１
３……ピニオン、１４，１５……側板、１６……
多板クラツチ、２０……出力軸、２１，２３……
カバー、２４……スペーサ、２６，２７……軸、
３０，３１，３２，３３……油室、３４……ピス
トン室、３５，４０，５２……ばね、３７，４２
，５４……ボール弁、３８……吐出逆止弁、３９
……貯油室、４３……吸込逆止弁、４４……オリ
フイス付ピストン作動形開閉弁、４５……オリフ
イス孔、４６……ピストン、４９，５０……開口
部、６０……押圧ピストン。 Figure 1 shows a power transmission system equipped with a static pressure joint with a multi-plate clutch equipped with the hydraulic control device of the present invention.
Similarly, the figure shows a cross-section of the joint, FIG. 3 shows a cross-section, and FIG. 4 shows the relationship between the rotational speed difference per minute between the input and output shafts and the transmitted torque. 8...Input shaft, 11...Gear pump, 12,1
3... Pinion, 14, 15... Side plate, 16...
Multi-plate clutch, 20... Output shaft, 21, 23...
Cover, 24... Spacer, 26, 27... Shaft,
30, 31, 32, 33... Oil chamber, 34... Piston chamber, 35, 40, 52... Spring, 37, 42
, 54...Ball valve, 38...Discharge check valve, 39
... Oil storage chamber, 43 ... Suction check valve, 44 ... Piston-operated on-off valve with orifice, 45 ... Orifice hole, 46 ... Piston, 49, 50 ... Opening, 60 ... Pressing piston.

Claims

【実用新案登録請求の範囲】１入力軸の出力軸との間に歯車ポンプと多板ク
ラツチとを同軸的に併設し、この入力軸と出力軸
との間の回転数差に応じて吐出する歯車ポンプの
圧油を多板クラツチに与えて、上記の入力軸と出
力軸との結合するように構成した多板クラツチ付
静圧継手において、上記歯車ポンプの吐出側の高
圧の油室と吸込側の低圧の油室とを連通する循環
油路にオリフイス付ピストン作動形開閉弁を設け
、このオリフイス付ピストン作動形開閉弁で制御
された油圧を上記多板クラツチの押圧ピストンに
与えるように構成したことを特徴とする多板クラ
ツチ付静圧継手の油圧制御装置。２歯車ポンプの一方の側板を介して多板クラツ
チのシリンダーを、他方の側板を介して貯油室を
それぞれ一体に設け、そして、一方の側板に油室
が高圧のときクラツチピストン室に連通するよう
に作動する高圧逆止弁を、他方の側板に油室が低
圧のときに貯油室に連通するように作動する低圧
逆止弁をそれぞれ設けた多板クラツチ付静圧継手
において、上記のクラツチピストン室と貯油室と
を連通するように円筒状のシリンダーを設け、こ
のシリンダー内に、両端面を連通するオリフイス
孔を有するピストンを、一方の端面は、クラツチ
ピストン室の高圧による押圧力を受け、他方の端
面は、循環油路を開閉するようにともに移動する
ボール弁を介してばねの押圧力を受けて軸方向に
摺動するオイフイス付ピストン作動形開閉弁を設
けたことを特徴とする請求項１記載の多板クラツ
チ付静圧継手の油圧制御装置。３請求項２記載のオリフイス付ピストン作動形
開閉弁において、そのオリフイス孔の径及びばね
の強度について、どちらか一方を、又は、両者を
変えたものを複数個併設させたことを特徴とする
多板クラツチ付静圧継手の油圧制御装置。４オリフイス付ピストン作動形開閉弁のシリン
ダー部を歯車ポンプの歯車回転軸と一体にしたこ
とを特徴とする請求項２，３記載の多板クラツチ
付静圧継手の油圧制御装置。[Claims for Utility Model Registration] 1. A gear pump and a multi-disc clutch are installed coaxially between the input shaft and the output shaft, and discharge is performed according to the difference in rotational speed between the input shaft and the output shaft. In a static pressure joint with a multi-disc clutch configured to apply pressure oil from a gear pump to a multi-disc clutch and connect the input shaft and output shaft, the high-pressure oil chamber on the discharge side of the gear pump and the suction A piston-operated on-off valve with an orifice is provided in the circulation oil passage communicating with the low-pressure oil chamber on the side, and the hydraulic pressure controlled by the piston-operated on-off valve with orifice is configured to be applied to the pressing piston of the multi-disc clutch. A hydraulic control device for a static pressure joint with a multi-disc clutch. 2. The cylinder of the multi-plate clutch is integrally provided through one side plate of the gear pump, and the oil storage chamber is provided through the other side plate, and the oil chamber is provided in one side plate so that it communicates with the clutch piston chamber when the pressure is high. In a static pressure joint with a multi-plate clutch, the clutch piston is equipped with a high-pressure check valve that operates when the oil chamber is at low pressure, and a low-pressure check valve that operates so that the oil chamber communicates with the oil storage chamber when the pressure is low on the other side plate. A cylindrical cylinder is provided to communicate between the chamber and the oil storage chamber, and within this cylinder is a piston having an orifice hole that communicates with both end surfaces, one end surface of which receives the pressing force due to the high pressure of the clutch piston chamber, A claim characterized in that the other end face is provided with a piston-operated on-off valve with an oil valve that slides in the axial direction under the pressure of a spring via a ball valve that moves together to open and close the circulation oil passage. A hydraulic control device for a static pressure joint with a multi-disc clutch according to item 1. 3. A piston-operated on-off valve with an orifice according to claim 2, characterized in that a plurality of orifice hole diameters and spring strengths are provided in which one or both of them are changed. Hydraulic control device for static pressure joint with plate clutch. 4. A hydraulic control device for a static pressure joint with a multi-disc clutch according to claim 2 or 3, wherein the cylinder portion of the piston-operated on-off valve with orifice is integrated with the gear rotation shaft of the gear pump.