CN102635647A - Wet type multi-sheet friction clutch for ship gear box - Google Patents
Wet type multi-sheet friction clutch for ship gear box Download PDFInfo
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- CN102635647A CN102635647A CN2012100646363A CN201210064636A CN102635647A CN 102635647 A CN102635647 A CN 102635647A CN 2012100646363 A CN2012100646363 A CN 2012100646363A CN 201210064636 A CN201210064636 A CN 201210064636A CN 102635647 A CN102635647 A CN 102635647A
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention relates to a wet type multi-sheet friction clutch and particularly relates to a wet type multi-sheet friction clutch for a ship gear box, which is applicable to the gear box for middle-power and small-power ships. An input transmission shaft is hotly sleeved with a clutch shell with a gear and the clutch shell is internally provided with a working piston; the input transmission shaft is sleeved with a power output gear and the inner end part of the power output gear is in contact with the working piston; a clutch base is sleeved at the inner end part of the power output gear, and inner friction sheets and outer friction sheets which are continuously distributed at intervals are arranged between the clutch base and the clutch shell; a ladder-shaped notch is arranged on the outer side wall of the working piston and a working cavity I and a working cavity II are formed by the ladder-shaped notch and the clutch shell. The wet type multi-sheet friction clutch for the ship gear box disclosed by the invention has the advantages of compact structure, reliable work, flexible engagement of the clutch and small run-on impact noise.
Description
Technical field
Patent of the present invention relates to a kind of Wet-type multi-disc friction clutch, relates in particular to a kind of Wet-type multi-disc friction clutch that is used for marine gearbox, is applicable to the middle low power marine gearbox.
Background technique
Present marine gearbox of the prior art generally is made up of with the interior friction plate of the alloyed steel of interior (outward) spline of band the copper based powder metallurgy friction wafer of outer (interior) spline of multi-group with the Wet-type multi-disc friction clutch of hydraulic control; Working piston has only a seal operation chamber in traditional marine gearbox clutch; The clutch plunger work area was big when gear-box ran in; Piston moves soon, though rise progressively the time for one of clutch operating oil pressure through pressure regulator valve is set, the time is very short because clutch runs in; Produce very large impact noise when causing clutch to run in, make the user be difficult to accept.
Summary of the invention
The present invention solves the deficiency that exists in the existing technology, provides that a kind of segmentation engages, the Wet-type multi-disc friction clutch that is used for marine gearbox soft, that impact noise is little runs in.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of Wet-type multi-disc friction clutch that is used for marine gearbox; Comprise input shaft; Hot jacket has the clutch outer member that has gear on the described input shaft, is provided with working piston in the described clutch outer member, is with power output gear on the described input shaft; The inner end of described power output gear touches with working piston mutually; Be with clutch base on the inner end of described power output gear, be provided with the interior friction plate and the outside friction disc of continuous distributed separately between described clutch seat and clutch outer member, described interior friction plate and outside friction disc fix with clutch seat and clutch outer member respectively through bearing plate; The outer side wall of described working piston is provided with the stepped shaft breach; Described stepped shaft breach and clutch outer member formation work cavity I and work cavity II, formation stroke cavity between the right side of described working piston and the outside friction disc of high order end, described work cavity II forms during by the working piston displacement; Be provided with the spring cavity between the back of described working piston and power output gear inner end; Be provided with return spring in the described spring cavity, the head of described input shaft is with the input bearing, and the afterbody of described power output gear is with the output bearing.
Be provided with working piston and outside friction disc composition active member in the clutch outer member of band gear, clutch base is provided with interior friction plate, clutch base and power output gear and is enclosed within on the input shaft through the bearing sky through involute splines connection composition drive element.
The clutch working piston is designed at least two active chambers (work cavity I and work cavity II), and combines to adopt dish-shaped alloyed steel friction plate, can receive the high pressure oil effect in the clutch initial stage working piston cavity I of only working; Promoting piston engages friction plate group part area; Because piston thrust is little, working piston and friction plate joint impact noise are little, and high-pressure work oil imports clutch work cavity II immediately after working piston and friction plate group initial engagement; The thrust that working piston is produced reaches rating value; Pressing friction sheet group, this moment since working piston pressing friction sheet group micro displacement only do not have impact noise and produce.
As preferably, the displacement stroke H2 of described work cavity II is less than the working stroke H1 of stroke cavity.
As preferably; The upper end of described working piston is an external sealed chamber section, is provided with the aperture of draining the oil in the section of described external sealed chamber, described aperture connection work cavity I and the stroke cavity of draining the oil; Be provided with spring seat in the described spring cavity, described return spring and spring seat crimping mutually.
As preferably, described spring seat keeps off mutually through shaft block ring and connecing.
As preferably, described in friction plate be dish-shaped alloyed steel friction plate, described in the amount of warpage of friction plate be 0.2～0.4mm, seal mutually through piston ring between described working piston and clutch outer member, described bearing plate keeps off mutually with back-up ring through the hole and connecing.
The present invention is provided for the Wet-type multi-disc friction clutch of marine gearbox, compact structure, and reliable operation, clutch is soft, and the impact noise that runs in is little, has improved clutch working life, has improved the gearbox drive quality.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of working piston among Fig. 1;
Fig. 3 is the structural representation of interior friction plate among Fig. 1.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technological scheme of the present invention.
Embodiment 1: like Fig. 1, Fig. 2 and shown in Figure 3, a kind of Wet-type multi-disc friction clutch that is used for marine gearbox comprises input shaft 1; Hot jacket has the clutch outer member 2 that has gear on the described input shaft 1; Be provided with working piston 3 in the described clutch outer member 2, be with power output gear 4 on the described input shaft 1, the inner end of described power output gear 4 touches with working piston 3 mutually; Be with clutch base 5 on the inner end of described power output gear 4; 2 of described clutch seat 5 and clutch outer members are provided with the interior friction plate 6 and outside friction disc 7 of continuous distributed separately, and described interior friction plate 6 fixes with clutch seat 5 and clutch outer member 2 respectively through bearing plate 8 with outside friction disc 7, and the outer side wall of described working piston 3 is provided with stepped shaft breach 9; Described stepped shaft breach 9 forms work cavity I 10 and work cavity II 11 with clutch outer member 2; 7 of the right side of described working piston 3 and the outside friction discs of high order end form stroke cavity 12, and described work cavity II 11 forms during by working piston 3 displacements, is provided with spring cavity 14 between the back of described working piston 3 and power output gear 4 inner ends; Be provided with return spring 14 in the described spring cavity 14; The head of described input shaft 1 is with input bearing 15, and the afterbody of described power output gear 4 is with output bearing 16, and the displacement stroke H2 of described work cavity II 11 is less than the working stroke H1 of stroke cavity 12; The upper end of described working piston 3 is an external sealed chamber section 17; Be provided with the aperture 18 of draining the oil in the described external sealed chamber section 17, the described aperture 18 of draining the oil is communicated with work cavity I 10 and stroke cavity 12, is provided with spring seat 19 in the described spring cavity 13; Described return spring 14 and spring seat 19 crimping mutually; Described spring seat 19 keeps off mutually through shaft block ring 20 and connecing, and described interior friction plate 6 is dish-shaped alloyed steel friction plate, and the amount of warpage of described interior friction plate 6 is 0.2～0.4mm; Described working piston 3 passes through piston ring 21 with 2 of clutch outer members and seals mutually, and described bearing plate 8 keeps off mutually with back-up ring 22 through the hole and connecing.
Claims (5)
1. Wet-type multi-disc friction clutch that is used for marine gearbox; It is characterized in that: comprise input shaft (1); Described input shaft (1) is gone up hot jacket has the clutch outer member (2) that has gear; Be provided with working piston (3) in the described clutch outer member (2); Be with power output gear (4) on the described input shaft (1), the inner end of described power output gear (4) touches with working piston (3) mutually, is with clutch base (5) on the inner end of described power output gear (4); Be provided with the interior friction plate (6) and the outside friction disc (7) of continuous distributed separately between described clutch seat (5) and clutch outer member (2); Friction plate (6) and outside friction disc (7) fix with clutch seat (5) and clutch outer member (2) respectively through bearing plate (8) in described, and the outer side wall of described working piston (3) is provided with stepped shaft breach (9), and described stepped shaft breach (9) forms work cavity I (10) and work cavity II (11) with clutch outer member (2); Form stroke cavity (12) between the outside friction disc (7) of the right side of described working piston (3) and high order end; Described work cavity II (11) forms during by working piston (3) displacement, is provided with spring cavity (14) between the back of described working piston (3) and power output gear (4) inner end, is provided with return spring (14) in the described spring cavity (14); The head of described input shaft (1) is with input bearing (15), and the afterbody of described power output gear (4) is with output bearing (16).
2. the Wet-type multi-disc friction clutch that is used for marine gearbox according to claim 1 is characterized in that: the displacement stroke H2 of described work cavity II (11) is less than the working stroke H1 of stroke cavity (12).
3. the Wet-type multi-disc friction clutch that is used for marine gearbox according to claim 1 and 2; It is characterized in that: the upper end of described working piston (3) is an external sealed chamber section (17); Be provided with the aperture of draining the oil (18) in the described external sealed chamber section (17); The described aperture of draining the oil (18) is communicated with work cavity I (10) and stroke cavity (12), is provided with spring seat (19) in the described spring cavity (13), described return spring (14) and spring seat (19) crimping mutually.
4. the Wet-type multi-disc friction clutch that is used for marine gearbox according to claim 3 is characterized in that: described spring seat (19) keeps off mutually through shaft block ring (20) and connecing.
5. the Wet-type multi-disc friction clutch that is used for marine gearbox according to claim 1 and 2; It is characterized in that: friction plate (6) is dish-shaped alloyed steel friction plate in described; The amount of warpage of friction plate (6) is 0.2～0.4mm in described; Seal mutually through piston ring (21) between described working piston (3) and clutch outer member (2), described bearing plate (8) keeps off mutually with back-up ring (22) through the hole and connecing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100646363A CN102635647A (en) | 2012-03-13 | 2012-03-13 | Wet type multi-sheet friction clutch for ship gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100646363A CN102635647A (en) | 2012-03-13 | 2012-03-13 | Wet type multi-sheet friction clutch for ship gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102635647A true CN102635647A (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100646363A Pending CN102635647A (en) | 2012-03-13 | 2012-03-13 | Wet type multi-sheet friction clutch for ship gear box |
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| Country | Link |
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| CN (1) | CN102635647A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154139A (en) * | 2014-07-25 | 2014-11-19 | 洛阳雷斯达传动有限公司 | Wet clutch |
| CN104879398A (en) * | 2015-05-27 | 2015-09-02 | 杭州前进齿轮箱集团股份有限公司 | Fast oil releasing structure for hydraulic clutch |
| CN113513574A (en) * | 2021-04-19 | 2021-10-19 | 顾海港 | Clutch part of high-power marine gearbox |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353641A (en) * | 1965-10-18 | 1967-11-21 | Gen Motors Corp | Clutch or brake unit |
| CN200989397Y (en) * | 2006-09-21 | 2007-12-12 | 徐州工程机械科技股份有限公司 | Gearshifting clutch |
| CN201288771Y (en) * | 2008-10-30 | 2009-08-12 | 戴建成 | Friction disc of wet clutch |
| CN102190080A (en) * | 2011-05-12 | 2011-09-21 | 杭州发达齿轮箱集团有限公司 | Gearbox with reversing, ahead running, clutching and full-power PTO (Power Take Off) output functions for ship |
| CN202484125U (en) * | 2012-03-13 | 2012-10-10 | 杭州发达齿轮箱集团有限公司 | Wet-type multi-disc friction clutch for marine gearboxes |
-
2012
- 2012-03-13 CN CN2012100646363A patent/CN102635647A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353641A (en) * | 1965-10-18 | 1967-11-21 | Gen Motors Corp | Clutch or brake unit |
| CN200989397Y (en) * | 2006-09-21 | 2007-12-12 | 徐州工程机械科技股份有限公司 | Gearshifting clutch |
| CN201288771Y (en) * | 2008-10-30 | 2009-08-12 | 戴建成 | Friction disc of wet clutch |
| CN102190080A (en) * | 2011-05-12 | 2011-09-21 | 杭州发达齿轮箱集团有限公司 | Gearbox with reversing, ahead running, clutching and full-power PTO (Power Take Off) output functions for ship |
| CN202484125U (en) * | 2012-03-13 | 2012-10-10 | 杭州发达齿轮箱集团有限公司 | Wet-type multi-disc friction clutch for marine gearboxes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154139A (en) * | 2014-07-25 | 2014-11-19 | 洛阳雷斯达传动有限公司 | Wet clutch |
| CN104879398A (en) * | 2015-05-27 | 2015-09-02 | 杭州前进齿轮箱集团股份有限公司 | Fast oil releasing structure for hydraulic clutch |
| CN113513574A (en) * | 2021-04-19 | 2021-10-19 | 顾海港 | Clutch part of high-power marine gearbox |
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Application publication date: 20120815 |