CN204419914U - A kind of clutch for surperlight type helicopter - Google Patents
A kind of clutch for surperlight type helicopter Download PDFInfo
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- CN204419914U CN204419914U CN201420806387.5U CN201420806387U CN204419914U CN 204419914 U CN204419914 U CN 204419914U CN 201420806387 U CN201420806387 U CN 201420806387U CN 204419914 U CN204419914 U CN 204419914U
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- clutch
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- rid
- friction
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Abstract
The utility model discloses a kind of clutch for surperlight type helicopter, belong to helicopter drive technology field, what mainly solve existing clutch gets rid of block and friction plate area of contact is little, working life is shorter technical problem.Described circumferential clutch is primarily of Flywheel disc fixed tray, clutch gets rid of block, two return springs, plate washer, friction skin, friction outer cover and clutch output shaft are formed, described Flywheel disc fixed tray offers the mounting groove getting rid of block for installing clutch, it is four pieces that described clutch gets rid of block, four pieces of clutches get rid of that block is rounded centered by clutch output shaft to be distributed in mounting groove, the gap location that adjoining clutches gets rid of interblock is provided with and gets rid of block positioning block for what ensure that clutch gets rid of that block moves along centrifugal force direction, every block clutch gets rid of block and is processed with two for installing the groove of return spring.It is separate that each clutch gets rid of block, and damage even if certain clutch gets rid of block, clutch still can work on, and frictional force is large effectively can ensure transmission of power.
Description
Technical field
The utility model relates to helicopter drive technology field, is specifically related to a kind of clutch for surperlight type helicopter.
Background technique
Clutch is one of critical piece of depopulated helicopter transmission system, and its function mainly engages or interrupt the transmission of power between motor with the followers such as gearbox.Friction clutcch is simple due to structure, is cheaply widely used in depopulated helicopter field.The major constituents of friction clutcch is, gets rid of block together with engine output shaft tight joint, but and leaves micro-gap between the friction plate being adhesive in clutch cup internal chamber wall.When the rotating speed of motor reaches certain value, get rid of block under the effect of self centrifugal force, outside distortion swells, with friction plate contact friction.Along with rotating speed increases further, get rid of the centrifugal force that block produces and also strengthen, the frictional force of getting rid of between block and friction plate is increased to be enough to guarantee to get rid of block and clutch cup synchronous axial system, realizes the transmission of engine power.
Application number is a kind of friction type unmanned helicopter clutch of CN201110386307.6, connect with engine output shaft (1), comprise fans drive belt wheel (2), get rid of block (3), friction plate (4), clutch cup (5), start axle supplementary bearing (6), power belt wheel (7), powered belt pressing plate (8), clutch cup bearing (9), clutch fixed base (10), start axle main bearing (11), start head (12), start axle (13), it is characterized in that, engine output shaft (1) by bolt successively with fans drive belt wheel (2), get rid of block (3) to connect, start axle (13) to insert and to get rid of in block (3) center hole and to stretch out, one end with get rid of block (3) and connect, the other end with start head (12) and connect, startup axle supplementary bearing (6), clutch cup bearing (9), startup axle main bearing (11) are contained in successively and start axle (13) outer wall, clutch cup (5) is contained in and starts axle supplementary bearing (6) outer ring, friction plate (4) is adhesive in clutch cup (5) internal chamber wall, power belt wheel (7) is contained in clutch cup bearing (9) inner ring, clutch cup (5), powered belt pressing plate (8) are connected in power belt wheel (7) both sides end face, and clutch fixed base (10) is contained in clutch cup bearing (9), starts axle main bearing (11) outer ring, engine output shaft (1), fans drive belt wheel (2), get rid of block (3), friction plate (4), clutch cup (5), power belt wheel (7), powered belt pressing plate (8), start head (12), start axle (13) center line be concentric.
Application number is a kind of clutch of pilotless helicopter of CN200420019297.8, be connected with engine output shaft transmission, it is characterized in that, comprise transition axis, two deep groove ball bearings, synchronous pulley, outer cover, clutch base, four pieces of friction blocks, two tension springs and cover plate, transition axis to be fixedly connected on engine output shaft and to stretch out along axis, two deep groove ball bearings are set in the inner end of transition axis, synchronous pulley is sleeved on outside two deep groove ball bearings, outer cover empty set is on transition axis and the outer end be bolted at synchronous pulley, clutch base is sleeved on inner chamber transition axis being arranged on outer cover, four pieces of friction blocks are uniformly set at clutch base outer rim, four pieces of friction block strings are held together by two tension springs respectively, cover plate is covered in clutch base outer end and is fixedly linked by bolt and clutch base.Above two kinds of clutches get rid of block and friction plate is point cantact, surface of contact is little, and fragile, working life is short.
Model utility content
For above-mentioned prior art, the purpose of this utility model is how to provide a kind of clutch for surperlight type helicopter, be intended to solve existing clutch get rid of block and friction plate area of contact is little, reliability is not high, the technical problem that working life is shorter.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of clutch for surperlight type helicopter, primarily of Flywheel disc fixed tray, clutch gets rid of block, two return springs, plate washer, friction skin, friction outer cover and clutch output shaft are formed, described Flywheel disc fixed tray offers the mounting groove getting rid of block for installing clutch, it is four pieces that described clutch gets rid of block, four pieces of clutches get rid of that block is rounded centered by clutch output shaft to be distributed in mounting groove, the gap location that adjoining clutches gets rid of interblock is provided with and gets rid of block positioning block for what ensure that clutch gets rid of that block moves along centrifugal force direction, described every block clutch gets rid of block and is processed with two for installing the groove of return spring, described two return springs are placed in groove that clutch gets rid of block and ensure that clutch gets rid of block return,
Described plate washer is fixed on Flywheel disc fixed tray, gets rid of block for spacing clutch, and making spacing clutch get rid of block can only move along centrifugal force direction; Described friction outer cover to coordinate with keyway through key and is fixedly connected with clutch output shaft.
In the utility model, described return spring is extension spring.
In the utility model, described friction skin is fixed on clutch and gets rid of on block, gets rid of between block, increase area of contact and frictional force at friction outer cover and clutch.
In the utility model, between described Flywheel disc fixed tray and friction outer cover, be provided with shockproof and felt that is seal action.
In the utility model, described Flywheel disc fixed tray is provided with Flywheel disc, and described Flywheel disc is connected with the output shaft of motor, and then flywheel driven dish fixed tray rotates.
Working principle of the present utility model is:
Flywheel disc is connected with the output shaft of motor, Flywheel disc rotates and then flywheel driven dish fixed tray rotates, Flywheel disc fixed tray rotary motion and then band dynamic clutch get rid of block and rotate, clutch get rid of block under the influence of centrifugal force with friction outer cover contact friction, under the effect of frictional force, friction outer cover gets rid of block with clutch and rotates, and because clutch output shaft is fixedly connected with keyway through key with friction outer cover, thus clutch output shaft rotates with friction outer cover.
Compared with prior art, the utility model has following beneficial effect:
One, it is four pieces that the clutch that the utility model provides gets rid of block, four pieces of clutches get rid of that block is rounded centered by clutch output shaft to be distributed in mounting groove, it is separate that each clutch gets rid of block, even if certain clutch gets rid of block and damages, clutch still can work on, enough frictional force is provided, ensures effective transmission of power;
Two, clutch gets rid of block is separate four pieces, and every block clutch gets rid of on block and is all fixed with friction skin, increases and increases the surface of contact with the outer cover that rubs, and then increase frictional force.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is stereogram of the present utility model;
Reference character is: 1 for Flywheel disc, 2 for Flywheel disc fixed tray, 3 for felt, 4 for steel bushing, 5 for plate washer, 6 for clutch output shaft, 7 for aluminium cover, 8 for key, 9 for clutch get rid of block, 10 for friction outer cover, 11 for friction skin, 12 be groove, 13 for getting rid of block positioning block.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model will be further described.
Shown in composition graphs 1 and Fig. 2, a kind of clutch for surperlight type helicopter, primarily of Flywheel disc fixed tray 2, clutch gets rid of block 9, two return springs, plate washer 5, friction skin 11, friction outer cover 10 and clutch output shaft 6 are formed, described Flywheel disc fixed tray offers the mounting groove getting rid of block for installing clutch, it is four pieces that described clutch gets rid of block, four pieces of clutches get rid of that block is rounded centered by clutch output shaft to be distributed in mounting groove, the gap location that adjoining clutches gets rid of interblock is provided with and gets rid of block positioning block 13 for what ensure that clutch gets rid of that block moves along centrifugal force direction, described every block clutch gets rid of block and is processed with two for installing the groove of return spring, described two return springs are placed in groove that clutch gets rid of block and ensure that clutch gets rid of block return, described plate washer is fixed on Flywheel disc fixed tray, gets rid of block for spacing clutch, and making spacing clutch get rid of block can only move along centrifugal force direction, described friction outer cover to coordinate with keyway through key 8 and is fixedly connected with clutch output shaft 6.
For avoiding clutch output shaft and Flywheel disc fixed tray hard contact, the part contacted with Flywheel disc fixed tray at clutch output shaft is provided with copper sheathing 4, this copper sheathing plays bearing effect, steady when clutch output shaft rotates, reliable, noiseless, and substantially reduce the surface abrasion of clutch shaft.Clutch output shaft is provided with aluminium cover with the contact segment of friction outer cover, reduces the wearing and tearing of clutch output shaft.The utility model compact structure, rationally distributed in a word, and clutch friction power is large.
Except above-described embodiment, the utility model can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all fall into protection domain of the present utility model.
Claims (4)
1. the clutch for surperlight type helicopter, primarily of Flywheel disc fixed tray, clutch gets rid of block, two return springs, plate washer, friction skin, friction outer cover and clutch output shaft are formed, described Flywheel disc fixed tray offers the mounting groove getting rid of block for installing clutch, it is four pieces that described clutch gets rid of block, four pieces of clutches get rid of that block is rounded centered by clutch output shaft to be distributed in mounting groove, the gap location that adjoining clutches gets rid of interblock is provided with and gets rid of block positioning block for what ensure that clutch gets rid of that block moves along centrifugal force direction, described every block clutch gets rid of block and is processed with two for installing the groove of return spring, described two return springs are placed in groove that clutch gets rid of block and ensure that clutch gets rid of block return, described plate washer is fixed on Flywheel disc fixed tray, friction outer cover to coordinate with keyway through key and is fixedly connected with clutch output shaft.
2. the clutch for surperlight type helicopter according to claim 1, is characterized in that, described friction skin is fixed on clutch and gets rid of on block, gets rid of between block at friction outer cover and clutch.
3. the clutch for surperlight type helicopter according to claim 1, is characterized in that, has been provided with shockproof and felt that is seal action between described Flywheel disc fixed tray and friction outer cover.
4. the clutch for surperlight type helicopter according to claim 1, is characterized in that, described Flywheel disc fixed tray is provided with Flywheel disc, and described Flywheel disc is connected with the output shaft of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806387.5U CN204419914U (en) | 2015-04-16 | 2015-04-16 | A kind of clutch for surperlight type helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806387.5U CN204419914U (en) | 2015-04-16 | 2015-04-16 | A kind of clutch for surperlight type helicopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419914U true CN204419914U (en) | 2015-06-24 |
Family
ID=53470286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420806387.5U Active CN204419914U (en) | 2015-04-16 | 2015-04-16 | A kind of clutch for surperlight type helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204419914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185720A (en) * | 2019-05-28 | 2019-08-30 | 厦门南超机械有限公司 | A kind of centrifugal clutch |
| CN110566594A (en) * | 2019-09-23 | 2019-12-13 | 浙江铃丰科技有限公司 | Clutch and clutch pressure plate assembly |
-
2015
- 2015-04-16 CN CN201420806387.5U patent/CN204419914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185720A (en) * | 2019-05-28 | 2019-08-30 | 厦门南超机械有限公司 | A kind of centrifugal clutch |
| CN110566594A (en) * | 2019-09-23 | 2019-12-13 | 浙江铃丰科技有限公司 | Clutch and clutch pressure plate assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191010 Address after: 843000 in Zhejiang clothing (home textile) Industrial Park, Aksu textile industrial city (Development Zone), Aksu region, Xinjiang Uygur Autonomous Region Patentee after: Aksu Jingshi Unmanned Helicopter Technology Co., Ltd. Address before: 618300, No. 74, middle section, middle Taiwan Road, Guanghan, Sichuan, Deyang Patentee before: SICHUAN JINGSHI AEROSPACE TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| TR01 | Transfer of patent right |