CN106438755A - Spit type springless overrunning clutch - Google Patents
Spit type springless overrunning clutch Download PDFInfo
- Publication number
- CN106438755A CN106438755A CN201610847904.7A CN201610847904A CN106438755A CN 106438755 A CN106438755 A CN 106438755A CN 201610847904 A CN201610847904 A CN 201610847904A CN 106438755 A CN106438755 A CN 106438755A
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- China
- Prior art keywords
- clutch
- cam
- split type
- main body
- backing ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
- F16D41/067—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention provides a split type springless overrunning clutch which comprises a clutch body and a clutch cap, wherein the clutch body is mounted on a hydraulic motor shaft, and rotates synchronously along with the hydraulic motor shaft; the clutch cap is mounted on an electric motor shaft, and rotates synchronously along with the electric motor shaft; the cutch body comprises a cam, a backing ring and N rolling rods; the cam is located in the middle of the backing ring; the N rolling rods are located at the outer part of the cam, and are uniformly distributed along the edge of the backing ring; the cam adopts a circular structure; N working areas and N non-working areas are alternately distributed on the outer surface of the cam; the outer surface of each non-working area is matched with the inner surface of the edge of the backing ring; each working area comprises a meshing area and a separating area; the meshing areas are connected with the separating areas through transition slopes; the rolling rods are in contact with the meshing areas to realize meshing between the clutch body and the clutch cap; and the rolling rods are in contact with the separating areas to realize separation. Meshing and separating are realized by means of the inertia of the rolling rods and relative movement between the cam and the rolling rods, and the split type springless overrunning clutch is simple in structure, high in reliability, and convenient to disassemble, assemble and use.
Description
Technical field
The present invention relates to a kind of split type freewheel clutch is and in particular to a kind of split type no spring freewheel clutch.
Background technology
Existing freewheel clutch mostly is integral structure it is adaptable to main driven shaft is located at the discrete component seldom dismantled
Occasion, adheres to the occasion of two independent components separately for main driven shaft, and application is more inconvenient；Existing freewheel clutch is many
Using back-moving spring, complex structure, lead to reliability relatively low.
New generation's carrier rocket servo control mechanism integrates ground test and in sky flight both of which, the drive of both of which
Dynamic element is respectively motor and hydraulic motor, for realizing the automatic switchover between both of which, and under sky offline mode
Realize hydraulic motor and export the transmission of power it is necessary to design a kind of new split type freewheel clutch.
Therefore, model demand proposes new requirement to freewheel clutch development：Main driven shaft adheres to two independent components separately,
And freewheel clutch should have high reliability.
Content of the invention
It is an object of the invention to overcoming the above-mentioned deficiency of prior art, provide a kind of split type no spring overdrive clutch
Device, this clutch no back-moving spring, rely on the inertia of ball and realize engaging and getting loose with the relative motion of cam, structure letter
Single, reliability is high, and easy disassembly is it is adaptable to driving shaft and driven shaft adhere to the occasion of two elements separately.
The above-mentioned purpose of the present invention is mainly achieved by following technical solution：
A kind of split type no spring freewheel clutch, including clutch main body and clutch cap, wherein clutch main body is fixed
It is arranged on and surges on arbor, and with the arbor synchronous axial system that surges, clutch cap is fixedly mounted on motor reel, and and motor reel
Synchronous axial system；Described clutch main body includes cam, backing ring and N number of roller, and its cam is located at the middle part of backing ring, N number of roller
Outside cam, it is uniformly distributed along backing ring edge, described cam is circular configuration, and circular configuration outer surface is alternately distributed N
Individual workspace and N number of nonclient area, the outer surface of each nonclient area is coordinated with the inner surface at backing ring edge, and each workspace is wrapped
Include region of engagement and Disengagement zone, connected by intermediate incline between region of engagement and Disengagement zone, roller is contacted with region of engagement and realizes clutch
Device main body is engaged with clutch cap, and roller is contacted with Disengagement zone to be realized clutch main body and separated with clutch cap, and wherein N is just whole
Number, and N >=3.
In above-mentioned split type no spring freewheel clutch, region of engagement and Disengagement zone are plane.
In above-mentioned split type no spring freewheel clutch, region of engagement is parallel with the two of Disengagement zone planes.
In above-mentioned split type no spring freewheel clutch, the angle between intermediate incline and Disengagement zone plane is 120 °～
150°.
In above-mentioned split type no spring freewheel clutch, the angle between intermediate incline and Disengagement zone plane is 130 °～
140°.
In above-mentioned split type no spring freewheel clutch, backing ring is circular ring structure, and circular ring structure is uniformly distributed N on edge
Individual blind hole, for placing N number of roller, circular ring structure bottom is stepped hole, and cam is placed in described stepped hole, and passes through step
It is supported.
In above-mentioned split type no spring freewheel clutch, clutch main body also includes cover plate and rivet, and its cover plate will
Cam and roller are encapsulated in inside backing ring, and cover plate is fixedly connected by rivet with backing ring edge.
In above-mentioned split type no spring freewheel clutch, region of engagement is to the wrap angle sigma in the center of circle and the bag to the center of circle for the Disengagement zone
The ratio of angle beta is to meet：α:β=0.7～0.9:1.
In above-mentioned split type no spring freewheel clutch, the circular arc of each nonclient area to the cornerite δ in the center of circle with engage
The ratio of the wrap angle sigma to the center of circle for the area meets：δ:α=0.8～0.9:1.
In above-mentioned split type no spring freewheel clutch, clutch main body is arranged on and surges on arbor, real by the shaft shoulder
Existing axially position, is axially fixed by circlip, is driven by two flat keys being along the circumferential direction arranged symmetrically；From
Close cap to be arranged on motor reel by spline, axially position is carried out by packing ring, is axially fixed by circlip.
The present invention compared with prior art has the advantages that：
(1), the present invention split type no spring freewheel clutch, its power intake (clutch) and output end (clutch cap)
Using split-type structural, it is arranged in driving element and drive element, the assembly or disassembly with element is automatically obtained dress
Join and separate, using non-spring structure, rely on the inertia of ball and realize engaging and getting loose with the relative motion of cam, structure letter
Single, reliability is high；
(2), freewheel clutch of the present invention adopts split-type structural, easy disassembly, and clutch part is arranged on actively
On element output shaft, clutch cap portion is arranged on drive element input shaft, and two kinds of elements produce respectively, each Self management, without
Separately installed combination, the installation with two kinds of elements is automatically mounted into position, easy disassembly, uses and manages it is adaptable to driving shaft
Adhere to the occasion of two elements with driven shaft separately；
(3), it is alternately distributed N number of workspace and N number of nonclient area in freewheel clutch cam rounded outer surface of the present invention,
The outer surface of each nonclient area is coordinated with the inner surface at backing ring edge, and each workspace includes region of engagement and Disengagement zone, engagement
Connected by intermediate incline between area and Disengagement zone, the present invention pass through theoretical calculation and lot of experiments checking give region of engagement and
The shape and size of the optimization of Disengagement zone, have been obviously improved clutch main body and the reliability of clutch cap engagement, have been simultaneously achieved
The quick engagement of clutch main body and clutch cap and quick separating.
(4), the present invention split type no spring freewheel clutch, has been successfully applied in new generation's carrier rocket servo control mechanism
In, correlation technique achievement can also popularization and application to the product for civilian use and other field.
Brief description
Fig. 1 is the mounting structure schematic diagram of clutch main body of the present invention and clutch cap；
Fig. 2 is clutch main body structural representation of the present invention, and wherein Fig. 2 a is clutch main body front view, and Fig. 2 b is along A-
The profile of A, Fig. 2 c is the profile along B-B；
Fig. 3 is clutch main body of the present invention and relative position schematic diagram under engagement for the clutch cap；
Fig. 4 is clutch main body of the present invention and relative position schematic diagram under released state for the clutch cap；
Fig. 5 is backing ring structural representation of the present invention；
Fig. 6 is cam working face angle schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
It is illustrated in figure 1 clutch main body of the present invention and the mounting structure schematic diagram of clutch cap, the split type no bullet of the present invention
Spring freewheel clutch includes clutch main body 1 and clutch cap 5, and wherein clutch main body 1 is arranged on and surges on arbor 3, by axle
Shoulder realizes axially position, is axially fixed by circlip 4, is carried out by two flat keys 2 being along the circumferential direction arranged symmetrically
Transmission；Clutch cap 5 is arranged on motor reel 6 by spline, carries out axially position by packing ring 7, by circlip 8 along axle
To fixation.
It is illustrated in figure 2 clutch main body structural representation of the present invention, wherein Fig. 2 a is clutch main body front view, Fig. 2 b
It is the profile along A-A, Fig. 2 c is the profile along B-B；As seen from the figure, clutch main body 1 is by cam 11, backing ring 12, rivet
13rd, roller 14 and cover plate 15 form, and roller 14 is N number of, is illustrated in figure 5 backing ring structural representation of the present invention, and backing ring 12 is circle
Ring structure, circular ring structure edge is uniformly distributed N number of blind hole 12-1, and for placing N number of roller 14, circular ring structure bottom is step
Hole, cam 11 is placed in described stepped hole, and is supported by step 12-2, wherein the bottom of blind hole 12-1 and step
The bottom of 12-2 can be in approximately the same plane.Cam 11 and roller 14 are encapsulated in inside backing ring 12 by cover plate 15, cover plate 15 and support
Enclose 12 edges to be fixedly connected by rivet 13.
Cam 11 is circular configuration, and circular configuration outer surface is alternately distributed N number of workspace and N number of nonclient area 21, N number of
Nonclient area 21 is N number of segmentation circular-arc, and segmentation circular-arc outer surface is coordinated with the inner surface at backing ring 12 edge, and each workspace includes
Region of engagement 16 and Disengagement zone 17, are connected by intermediate incline 20 between region of engagement 16 and Disengagement zone 17, roller 14 and region of engagement 16
Engaging of clutch main body 1 and clutch cap 5 is realized in contact, and roller 14 is contacted with Disengagement zone 17 and realizes clutch main body 1 and clutch
The separation of cap 5, wherein N are positive integer, and N >=3.
Wherein region of engagement 16 and Disengagement zone 17 are plane, and region of engagement 16 is parallel with the two of Disengagement zone 17 planes.Cross
The angle crossing between inclined-plane 20 and Disengagement zone 17 plane (or region of engagement 16 plane) is 120 °～150 °, preferably angle be 130 °～
140°.
It is illustrated in figure 6 cam working face angle schematic diagram of the present invention, region of engagement 16 is to the wrap angle sigma in the center of circle and Disengagement zone 17
Ratio to the cornerite β in the center of circle is to meet：α:β=0.7～0.9:1.The circular arc of each nonclient area to the cornerite δ in the center of circle with nibble
The ratio closing the wrap angle sigma to the center of circle for the area 16 meets：δ:α=0.8～0.9:1.
It is illustrated in figure 3 clutch main body of the present invention and relative position schematic diagram under engagement for the clutch cap, Fig. 4 is
Clutch main body of the present invention and relative position schematic diagram under released state for the clutch cap, the main work of freewheel clutch of the present invention
Make principle as follows：
It is (as shown in Figure 3) that clutch main body 1 enters, with clutch cap 5, the operation principle engaging：
1) original state, cam 11, roller 14 and backing ring 12 geo-stationary；
2) in the moment surging arbor 3 starting, cam 11 turns clockwise therewith, and now backing ring 12 and roller 14 still keep
Static, under relative motion and inertia force act on, roller 14 is promoted by cam 11 and is constrained by backing ring 12 simultaneously, dividing from cam 11
Rise to higher region of engagement 16 plane from area 17 plane, contact with clutch cap 5 and enter engagement；
3) clutch main body 1 is engaged with clutch cap 5, forms the torque transmitting assembly of a synchronous rotary.
The operation principle that clutch main body 1 is disengaged with clutch cap 5 is (as shown in Figure 4)：
When clutch cap 5 rotates very fast relative to clutch main body 1, in the presence of frictional force, clutch cap 5 drives roller 14
Fall relatively low Disengagement zone 17 plane from region of engagement 16 plane of cam 11, roller 14 is disengaged with clutch cap 5, clutch master
Body 1 is no longer engaged with clutch cap 5.
Clutch main body 1 of the present invention adopts non-spring structure, relies on cam 11 and the relative fortune between backing ring 12, roller 14
Dynamic realization is engaged and disengagement with clutch cap.As follows in engagement power transmission line：Under hydraulic motor drive pattern, power by
The axle 3 of hydraulic motor exports, and by two flat keys 2, is delivered to cam 11, then passes to clutch cap 5 by roller 14, then passes through
Spline connection passes to the axle 6 of motor.Motor axle and the plunger displacement pump being coaxial therewith connecting rotate；Motor drive mode
Under, the arbor that surges does not rotate, and clutch cap 5 is disengaged automatically with clutch main body 1.The employing of non-spring structure, real by mechanical movement
Now automatically engage and disengage, compare the freewheel clutch of spring structure, there is higher reliability.
Using split-type structural, clutch main body 1 and clutch cap 5 are arranged in active member hydraulic motor and drive element
On motor, two kinds of elements produce respectively, each Self management, and without separately installed combination, the installation with two kinds of elements is pacified automatically
It is attached to position.Easy disassembly, use and manage.
Split type no spring freewheel clutch involved in the present invention, is mainly used in new generation's carrier rocket hydraulic servo
System, is the transmission/control element of Hydrauservo System, has the functional characteristics of " one way engagement/transmission reversely disengages ", with
Adapt to the autonomous switching of servo control mechanism sky/ground drive pattern.
Embodiment 1
As shown in Fig. 2 backing ring 12 includes a center stepped hole and six blind holes in the present embodiment, cam 11 is located at backing ring
In 12 center stepped hole, and supported by step, six rollers 14 are located among six blind holes of backing ring 12 respectively；Pass through again
Cam 11 and roller 14 are encapsulated in inside backing ring 12 by cover plate 15, are linked by rivet 13 between cover plate 15 and backing ring 12,
Cam 11, backing ring 12, rivet 13, roller 14, cover plate 15 have collectively constituted clutch main body 1.
As shown in fig. 6, workspace and nonclient area are six in the present embodiment, cam 11 circumference is uniformly distributed,
Six workspace architecture shapes are identical, and six nonclient areas 21 are also the identical six sections of circular arcs of planform.Each
The circular arc of nonclient area 21 is 13～16 ° to the cornerite δ in the center of circle, and region of engagement 16 is 17～19 ° to the wrap angle sigma in the center of circle, Disengagement zone
The cornerite β in 17 pairs of centers of circle is 22～24 °, and the transition region between region of engagement 16 and Disengagement zone 17 is 1～3 ° to the cornerite γ in the center of circle.
Clutch main body 1 is steel with the material of clutch cap 5.
The above, the only optimal specific embodiment of the present invention, but this bright protection domain is not limited thereto, and appoints
How those familiar with the art is in the technical scope of this bright exposure, and the variations and alternatives that can readily occur in all are answered
It is included within the scope of the present invention.
Unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (10)
1. a kind of split type no spring freewheel clutch it is characterised in that：Including clutch main body (1) and clutch cap (5), wherein
Clutch main body (1) is fixedly mounted on the arbor that surges (3), and with the arbor that surges (3) synchronous axial system, the fixing peace of clutch cap (5)
It is contained on motor reel (6), and and motor reel (6) synchronous axial system；Described clutch main body (1) includes cam (11), backing ring
(12) and N number of roller (14), its cam (11) is located at the middle part of backing ring (12), and it is outside that N number of roller (14) is located at cam (11),
It is uniformly distributed along backing ring (12) edge, described cam (11) is circular configuration, and circular configuration outer surface is alternately distributed N number of work
Area and N number of nonclient area (21), the outer surface of each nonclient area (21) is coordinated with the inner surface at backing ring (12) edge, each work
Include region of engagement (16) and Disengagement zone (17) as area, pass through intermediate incline (20) between region of engagement (16) and Disengagement zone (17) even
Connect, roller (14) is contacted with region of engagement (16) realizes engaging of clutch main body (1) and clutch cap (5), roller (14) with separate
Area (17) contact is realized clutch main body (1) and is separated with clutch cap (5), and wherein N is positive integer, and N >=3.
2. one kind split type no spring freewheel clutch according to claim 1 it is characterised in that：Described region of engagement (16)
It is plane with Disengagement zone (17).
3. one kind split type no spring freewheel clutch according to claim 2 it is characterised in that：Described region of engagement (16)
Parallel with two planes of Disengagement zone (17).
4. the split type no spring freewheel clutch of the one kind according to one of claims 1 to 3 it is characterised in that：Described mistake
Crossing the angle between inclined-plane (20) and Disengagement zone (17) plane is 120 °～150 °.
5. one kind split type no spring freewheel clutch according to claim 4 it is characterised in that：Described intermediate incline
(20) angle and Disengagement zone (17) plane between is 130 °～140 °.
6. one kind split type no spring freewheel clutch according to claim 1 it is characterised in that：Described backing ring (12) is
Circular ring structure, circular ring structure edge is uniformly distributed N number of blind hole (12-1), for placing N number of roller (14), circular ring structure bottom
For stepped hole, cam (11) is placed in described stepped hole, and is supported by step (12-2).
7. the split type no spring freewheel clutch of the one kind according to claim 1 or 6 it is characterised in that：Described clutch
Main body (1) also includes cover plate (15) and rivet (13), and cam (11) and roller (14) are encapsulated in backing ring by its cover plate (15)
(12) internal, cover plate (15) is fixedly connected by rivet (13) with backing ring (12) edge.
8. the split type no spring freewheel clutch of the one kind according to one of claims 1 to 3 it is characterised in that：Described nibble
Closing area (16) to the wrap angle sigma in the center of circle and the ratio of the cornerite β to the center of circle for the Disengagement zone (17) is satisfaction：α:β=0.7～0.9:1.
9. the split type no spring freewheel clutch of the one kind according to one of claims 1 to 3 it is characterised in that：Described every
The circular arc of individual nonclient area is met with the ratio of the wrap angle sigma to the center of circle for the region of engagement (16) to the cornerite δ in the center of circle：δ:α=0.8～
0.9:1.
10. the split type no spring freewheel clutch of the one kind according to one of claims 1 to 3 it is characterised in that：Described from
Clutch main body (1) is arranged on the arbor that surges (3), realizes axially position by the shaft shoulder, solid vertically by circlip (4)
Fixed, it is driven by two flat keys (2) being along the circumferential direction arranged symmetrically；Clutch cap (5) is arranged on motor by spline
On axle (6), axially position is carried out by packing ring (7), be axially fixed by circlip (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847904.7A CN106438755B (en) | 2016-09-23 | 2016-09-23 | A kind of split type no spring freewheel clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847904.7A CN106438755B (en) | 2016-09-23 | 2016-09-23 | A kind of split type no spring freewheel clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438755A true CN106438755A (en) | 2017-02-22 |
| CN106438755B CN106438755B (en) | 2018-10-09 |
Family
ID=58166128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610847904.7A Active CN106438755B (en) | 2016-09-23 | 2016-09-23 | A kind of split type no spring freewheel clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438755B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035787A (en) * | 2017-05-31 | 2017-08-11 | 郭克亚 | A kind of wedge block type clutch |
| CN113357284A (en) * | 2021-06-18 | 2021-09-07 | 格艾(惠州)传动科技有限公司 | Clutch device of transmission mechanism for intelligent furniture |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433305A (en) * | 1992-09-04 | 1995-07-18 | Koyo Seiko Co., Ltd. | Overrunning clutch and a rolling bearing united in a casing |
| CN201539519U (en) * | 2009-10-12 | 2010-08-04 | 王晓飞 | Split type cylindrical bearing clutch |
| CN101932845A (en) * | 2008-03-06 | 2010-12-29 | Nsk沃纳株式会社 | Roller-type overrunning clutch |
| CN201851533U (en) * | 2010-11-11 | 2011-06-01 | 左佳奇 | Unidirectional device |
| CN202274015U (en) * | 2011-09-23 | 2012-06-13 | 重庆红宇精密工业有限责任公司 | Roller type one-way clutch |
| CN202628880U (en) * | 2011-09-15 | 2012-12-26 | 立多禄工业股份有限公司 | One-way clutch structure |
| CN104653703A (en) * | 2013-11-25 | 2015-05-27 | Skf公司 | Free wheel with rolling bodies and method for manufacturing such a free wheel |
-
2016
- 2016-09-23 CN CN201610847904.7A patent/CN106438755B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433305A (en) * | 1992-09-04 | 1995-07-18 | Koyo Seiko Co., Ltd. | Overrunning clutch and a rolling bearing united in a casing |
| CN101932845A (en) * | 2008-03-06 | 2010-12-29 | Nsk沃纳株式会社 | Roller-type overrunning clutch |
| CN201539519U (en) * | 2009-10-12 | 2010-08-04 | 王晓飞 | Split type cylindrical bearing clutch |
| CN201851533U (en) * | 2010-11-11 | 2011-06-01 | 左佳奇 | Unidirectional device |
| CN202628880U (en) * | 2011-09-15 | 2012-12-26 | 立多禄工业股份有限公司 | One-way clutch structure |
| CN202274015U (en) * | 2011-09-23 | 2012-06-13 | 重庆红宇精密工业有限责任公司 | Roller type one-way clutch |
| CN104653703A (en) * | 2013-11-25 | 2015-05-27 | Skf公司 | Free wheel with rolling bodies and method for manufacturing such a free wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035787A (en) * | 2017-05-31 | 2017-08-11 | 郭克亚 | A kind of wedge block type clutch |
| CN113357284A (en) * | 2021-06-18 | 2021-09-07 | 格艾(惠州)传动科技有限公司 | Clutch device of transmission mechanism for intelligent furniture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106438755B (en) | 2018-10-09 |
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