CN201137650Y - Frictional clutch automatic compressing apparatus - Google Patents
Frictional clutch automatic compressing apparatus Download PDFInfo
- Publication number
- CN201137650Y CN201137650Y CNU2007201916665U CN200720191666U CN201137650Y CN 201137650 Y CN201137650 Y CN 201137650Y CN U2007201916665 U CNU2007201916665 U CN U2007201916665U CN 200720191666 U CN200720191666 U CN 200720191666U CN 201137650 Y CN201137650 Y CN 201137650Y
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- China
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- friction plate
- spline fitting
- friction
- pressurization disk
- clutch
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to an automatic compressing apparatus of a friction clutch, which belongs to the mechanical field of ships, the existing structure has the shortcomings of positive-negative rotating off, unsmooth connection, which slides under rated condition, wearing clearance of a friction plate is not easily adjusted, and operating force is too big. The automatic compressing apparatus of a friction clutch comprises a drive shaft, a driven shaft, two driven gears, a pressure disc, a clutch slip ring and a spline fitting. The utility model is characterized in that a pair of disc-shaped springs is respectively fixedly connected on the axial end face which is opposite to the two driven gears, both sides of the spline fitting are respectively provided with a pressure disc, pressure grooves which can be mutually connected are respectively arranged on the axial end faces which are opposite to the spline fitting and the pressure disc, a pressure steel ball is arranged in the pressure groove, a friction plate group comprises a left friction plate which is arranged on the driven gear and a right friction plate which is arranged on the pressure disc. The utility model has the advantages of little operating force and reliable transmission power, which has the functions of self-tightening and compensating wearing clearance automatically.
Description
[technical field]
The utility model relates to a kind of friction clutch automatic compacting device, belongs to the ship machinery field.
[background technique]
In the Ship Power Equipment system below 100 horsepowers, mainly realize clockwise and anticlockwise by friction clutch.Friction plate in the clutch is to produce frictional force by axial pressure, thereby forms the friction torque of transmitting torque.When starting, the moment of inertia of all driven members is very big to the ability influence of clutch transmission torque, and especially under the situation of high speed discrepancy, the driven member inertia of joint is big, and inertia load is big more.In clutch's jointing process, if require engaging time short, clutch then must transmit bigger moment of torsion, correspondingly needs to strengthen the clutch size; If select only to satisfy the clutch of operating load, then clutch can seriously skid or the engaging time prolongation.
The hold down gag of mechanical clutch is generally the hold down gag that adopts steel ball or lever pressure structure in the prior art.Impacting force is a constant in the working procedure, and it is tried to achieve by maximum load, and when working under being lower than the state of maximum load, impacting force is superfluous, thereby has reduced the efficient and the life-span of transmission; When surpassing maximum load, impacting force seems again inadequately, causes that friction plate skids, and produces abrasion, influences the proper functioning of clutch.
Because the restriction of inherent structure, though carried out a lot of improvement, but (as: tangential lever compression type friction clutch, steel ball compression type friction clutch etc.) exist still that steering force is big, power is that property is poor, overload capacity is little, shortcomings such as difficulty are adjusted in the gap in some commonly used mechanical clutches, are difficult to satisfy actual demand.Usually occur in actual application: situation such as skid, the friction disc wear gap is difficult for adjusting, steering force is excessive is taken off, is connect under smooth, the declared working condition in clockwise and anticlockwise.
Therefore, need provide a kind of joint reliable, have locking device; Easily connect easily from; Gap between the friction plate is easily adjusted; Impacting force is that axially other direction additional forces are little; The friction clutch hold down gag that certain overload capacity is arranged.
[model utility content]
The technical assignment of the technical problems to be solved in the utility model and proposition is the defective that overcomes prior art, a kind of function that compresses automatically with automatic compensate for wear gap that has is provided, steering force is little, engagement characteristics, active redundancy characteristic, all friction clutch automatic compacting device preferably of characteristic of pressurizeing automatically.For this reason, the utility model adopts following technological scheme:
The friction clutch automatic compacting device, comprise two driven gears that are socketed in respectively on driving shaft and the driven shaft, a plurality of friction plate group, pressurization disk and be fixed in spline fitting on the driven shaft, described spline fitting outer periphery are combined with axially displaceable clutch slip ring, it is characterized in that relative axial end is connected with a pair of belleville spring respectively on described two driven gears; Described spline fitting both sides are respectively equipped with a pressurization disk, are respectively equipped with the pressurized tank that can be connected mutually on the spline fitting axial end relative with pressurization disk, are provided with the pressurization steel ball in the pressurized tank; Between described two groups of pressurization disk and the belleville spring friction plate group is arranged respectively, described friction plate group comprises left friction plate and right friction plate, and left friction plate is connected on the driven gear, and right friction plate is connected on the pressurization disk.Aforementioned structure combines roll pressure structure and belleville spring of steel ball, forms a kind of friction clutch automatic compacting device of combined type.By stirring clutch slip ring, the separation of controlling left and right friction plate with cooperate, cooperating in conjunction with the sense of rotation of pressurization disk and spline fitting and steel ball and pressurized tank again, can produce bigger impacting force, can realize again axially compressing automatically and automatic compensate for wear gap, binding characteristic, active redundancy characteristic, the characteristic of pressurizeing is better automatically.
For the improving and replenishing of technique scheme, can increase following technical characteristics:
Described clutch slip ring is provided with along the equally distributed spiral chute of circumference.
Described pressurized tank one end is shallow, an end is dark, and it is opposite that the pressurized tank of spline fitting and pressurization disk is provided with direction.The wedging angle (angle) of pressurized tank shallow end and high-end formation on spiral fluted helix angle on the dependence clutch slip ring and the pressurization disk, has the function that compresses automatically with automatic friction compensation pad wear gap when being implemented in jointing state, steering force is little, has given prominence to preferably engagement characteristics, active redundancy characteristic, the characteristic of pressurizeing automatically.
The dicyclo spring connects described two pressurization disk on the axial end in opposite directions by being arranged on.
Be evenly distributed with a plurality of locating studs on the radial end face of described spline fitting.Be used for cooperating with clutch slip ring.
Described driven gear by needle bearing respectively with driving shaft and driven shaft socket.When clutch slip ring was positioned at the neutral position, friction plate was in idling conditions, not transmitting torque.
The utility model make clutch take off, connect the action steering force little, has the function that compresses automatically with automatic compensate for wear gap, the design at wedging angle on spiral chute helix angle on the distinctive clutch slip ring and the pressurization disk, can increase with load, increase the axial pressing force of friction plate, transferring power is reliable.
[description of drawings]
Fig. 1 is a cross-sectional view of the present utility model;
Fig. 2 is a side-looking structural representation of the present utility model;
Fig. 3 is the side-looking structural representation of the clutch slip ring in the utility model;
Fig. 4 is the cross-sectional view of clutch slip ring in the utility model
Fig. 5 is a side-looking structural representation of pressurization disk in the utility model;
Fig. 6 is the sectional structure schematic representation of pressurization disk in the utility model;
Fig. 7 is the opposite side TV structure schematic representation of pressurization disk in the utility model;
Fig. 8 is that the A-A of Fig. 7 is to partial sectional view.
Among the figure: 1, spline fitting, 2, clutch slip ring, 3, the pressurization steel ball, 4, pressurization disk, 5, the friction plate group, 5a, left friction plate, 5b, right friction plate, 6, belleville spring, 7, driven gear, 8, needle bearing, 9, driven shaft, 10, locating stud, 11, driving shaft, 12, the dicyclo spring, 13, pressurized tank, 14, spiral chute, γ, helix angle, λ, wedging angle.
[specific implementation]
Below in conjunction with specification drawings and specific embodiments substantive distinguishing features of the present utility model is further described.
Shown in Fig. 1,2,3,7, the friction clutch automatic compacting device, comprise by needle bearing 8 and be socketed in two driven gears 7 on driving shaft 11 and the driven shaft 9, a plurality of friction plate group 5, pressurization disk 4 respectively and be fixed in spline fitting 1 on the driven shaft 9, spline fitting 1 outer periphery are combined with axially displaceable clutch slip ring 2, and relative axial end is connected with a pair of belleville spring 6 respectively on two driven gear 7; Spline fitting 1 both sides are respectively equipped with a pressurization disk 4, are respectively equipped with the pressurized tank 13 that can be connected mutually on the relative axial end of spline fitting 1 and pressurization disk 4, are provided with pressurization steel ball 3 in the pressurized tank 13; Between two groups of pressurization disk 4 and the belleville spring 6 a friction plate group 5 is arranged respectively, friction plate group 5 comprises left friction plate 5a and right friction plate 5b, and left friction plate 5a is connected on the driven gear 7, and right friction plate 5b is connected on the pressurization disk 4.Three spiral chutes 14 are evenly distributed on the circumference of clutch slip ring 2.Pressurized tank 13 1 ends are shallow, an end is dark, and it is opposite that both pressurized tank 13 of spline fitting 1 and pressurization disk 4 are provided with direction.Dicyclo spring 12 connects two pressurization disk 4 on the axial end in opposite directions by being arranged on.Be evenly distributed with three locating studs 10 on the radial end face of spline fitting 1.
But interior outside friction disc steel-copper-base powder metallurgy casting.
As shown in Figure 4, on the clutch slip ring 2 pitch angle gamma of spiral chute 14 be 9 ° 45 '.
Shown in Fig. 5,6, dicyclo spring 12 the position is set.
Shown in Fig. 7,8 on the pressurization disk 4 pressurized tank 13 the position is set, wedging angle λ is 30 °.
During work, left friction plate 5a, right friction plate 5b work to drive driving shaft 11, driven shaft 9 clockwise and anticlockwise.Clutch slip ring 2 can be positioned at the neutral position, is moved to the left right friction plate 5b is compressed, and moving right makes left friction plate 5a compress three positions.
Clutch is in separated state: clutch slip ring 2 is in the neutral position, clutch slip ring 2 is by 10 location of 3 locating studs in the spline fitting 1 that is fixed on the driven shaft 9, when driven gear 7 drives rotation by the driving gear (not shown), left side friction plate 5a, right friction plate 5b do not compress, back-up roller needle bearing 8 idle running on the driven shaft 9, and pressurization disk 4 is not all rotated with spline fitting 1, driven shaft 9.
It is fashionable that clutch is just being transferred, by the operating mechanism (not shown) clutch slip ring 2 is moved right, clutch slip ring 2 drives spiral chute 14 guiding of pressurization disk on 4 along its and compresses left friction plate 5a, right friction plate 5b, the belleville spring 6 that is fixed on the driven gear 7 and left friction plate 5a, right friction plate 5b and pressurization disk 4 are combined, pressurization disk 4 and spline fitting 1 drive wedging by pressurization steel ball 3, rotate together thereby drive driven shaft 9, at this moment clutch is in jointing state.Along with the increase of load, the impacting force between left friction plate 5a, the right friction plate 5b also increases, and guarantees the transmission of moment of torsion.Clutch slip ring 2 is moved to the left, and principle too realizes counter-rotating.
Wedging angle λ on the pitch angle gamma of the spiral chute 14 on the utility model dependence clutch slip ring 2 and the pressurization disk 4, when jointing state, has the function that compresses automatically with automatic friction compensation pad wear gap, steering force is little, has given prominence to preferably engagement characteristics, active redundancy characteristic, the characteristic of pressurizeing automatically.
Engagement characteristics refers to: under static high slip condition, the utility model combines with spline fitting 1 by pressurization disk 4, the wedge action of pressurization steel ball 3 temporarily loses, thereby enter the positive engagement state, the realization transmitting torque is big, engaging time is short, and does not produce and skid, thereby does not need to strengthen the size of clutch.
When proper functioning, rely on compressing mutually after the contact between joint element, the friction plate, utilize the frictional force that compresses the back generation to come transmitting torque, enter the flexible engagement state, reduce mechanical shock, working state is steady.Normal working of the present utility model is a flexible engagement.
The active redundancy characteristic: clutch should possess certain functional reliability is arranged in transmitting torque.Therefore, in clutch designs, need to select suitable active redundancy factor beta to be guaranteed.The performance of the size of β value and prime mover, working machine and the factors such as structural type of clutch are relevant.The β value is too small, will prolong engaging time, makes friction element overheated, quickens friction; The β value is too big, and the joint rigidity of clutch is increased, and produces great dynamic load in system, and the peak load when changing gear can reach 3～5 times of rated load.So automatic pressing friction clutch at initial impaction state, applies impacting force to involutory belleville spring in advance by compressing the location, between friction plate, produce enough pressure; When real work, increase with working load, the also corresponding increase of the impacting force between the friction plate makes the dynamic characteristic of clutch be in perfect condition.
Automatically the pressurization characteristic refers to: during joint, power transfer route by clutch slip ring 2, pressurization disk 4, pressurization steel ball 3 and spline fitting 1, make clutch produce pressurization automatically, the positive pressure of friction plate increases, impacting force increases with the increase of load automatically, guarantees reliable operation under the load rating by choosing suitable β value, guarantees that clutch is in work under the comparatively ideal state all the time, its advantage is that commutation process does not have impact, noise free, is quick on the draw, compact structure.
The utility model can be used as the quick reversing arrangement in the speed-changing gear box, and commutating speed is fast, steering force is little, transmitting torque is reliable.
Claims (6)
1. friction clutch automatic compacting device, comprise two driven gears (7), a plurality of friction plate group (5), the pressurization disk (4) that is socketed in respectively on driving shaft (11) and the driven shaft (9) and be fixed in spline fitting (1) on the driven shaft (9), described spline fitting (1) outer periphery are combined with axially displaceable clutch slip ring (2), it is characterized in that the last relative axial end of described two driven gears (7) is connected with a pair of belleville spring (6) respectively; Described spline fitting (1) both sides are respectively equipped with a pressurization disk (4), are respectively equipped with the pressurized tank (13) that can be connected mutually on spline fitting (1) axial end relative with pressurization disk (4), are provided with pressurization steel ball (3) in the pressurized tank (13); Between described two groups of pressurization disk (4) and the belleville spring (6) a friction plate group (5) is arranged respectively, described friction plate group (5) comprises left friction plate (5a) and right friction plate (5b), left side friction plate (5a) is connected on the driven gear (7), and right friction plate (5b) is connected on the pressurization disk (4).
2. friction clutch automatic compacting device according to claim 1 is characterized in that described clutch slip ring (2) is provided with along the equally distributed spiral chute of circumference (14).
3. friction clutch automatic compacting device according to claim 1 is characterized in that described pressurized tank (13) one ends are shallow, an end is dark, and it is opposite that spline fitting (1) and both pressurized tank of pressurization disk (4) (13) are provided with direction.
4. according to claim 2 or 3 described friction clutch automatic compacting device, it is characterized in that dicyclo spring (12) connects described two pressurization disk (4) on the axial end in opposite directions by being arranged on.
5. friction clutch automatic compacting device according to claim 4 is characterized in that being evenly distributed with a plurality of locating studs (10) on the radial end face of described spline fitting (1).
6. friction clutch automatic compacting device according to claim 5, it is characterized in that described driven gear (7) by needle bearing (8) respectively with driving shaft (11) and driven shaft (9) socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201916665U CN201137650Y (en) | 2007-11-20 | 2007-11-20 | Frictional clutch automatic compressing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201916665U CN201137650Y (en) | 2007-11-20 | 2007-11-20 | Frictional clutch automatic compressing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137650Y true CN201137650Y (en) | 2008-10-22 |
Family
ID=40038337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201916665U Expired - Fee Related CN201137650Y (en) | 2007-11-20 | 2007-11-20 | Frictional clutch automatic compressing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137650Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224406A (en) * | 2016-09-19 | 2016-12-14 | 徐州徐工随车起重机有限公司 | A kind of adjustable overloading for reductor protects clutch |
| CN110375006A (en) * | 2019-08-20 | 2019-10-25 | 吉林大学 | A kind of clutch of motorcycle with disk spring and executing agency |
-
2007
- 2007-11-20 CN CNU2007201916665U patent/CN201137650Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224406A (en) * | 2016-09-19 | 2016-12-14 | 徐州徐工随车起重机有限公司 | A kind of adjustable overloading for reductor protects clutch |
| CN110375006A (en) * | 2019-08-20 | 2019-10-25 | 吉林大学 | A kind of clutch of motorcycle with disk spring and executing agency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU LONGTU MACHINERY CO., LTD. Free format text: FORMER OWNER: ZHEJIANG INSTITUTE OF MECHANICAL + ELECTRICAL ENGINEERING Effective date: 20110224 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310053 NO.528, BINWEN ROAD, BINJIANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 311200 NO.200, XIAOXI ROAD, CHENGXIANG SUBDISTRICT, XIAOSHAN DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110224 Address after: 311200 No. 200 Xiao Xi Road, Chengxiang street, Xiaoshan District, Zhejiang, Hangzhou Patentee after: Hangzhou Longtu Machinery Co., Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 528 Patentee before: Zhejiang Institute of Mechanical & Electrical Engineering |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20111120 |