CN109973555A - A kind of normally closed shaft coupling with arrangement of clutch - Google Patents
A kind of normally closed shaft coupling with arrangement of clutch Download PDFInfo
- Publication number
- CN109973555A CN109973555A CN201910299324.2A CN201910299324A CN109973555A CN 109973555 A CN109973555 A CN 109973555A CN 201910299324 A CN201910299324 A CN 201910299324A CN 109973555 A CN109973555 A CN 109973555A
- Authority
- CN
- China
- Prior art keywords
- shaft coupling
- iron hoop
- dynamic iron
- clutch
- arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
- F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
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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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
-
- 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
- F16D47/00—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings
- F16D47/02—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings of which at least one is a coupling
-
- 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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D2027/001—Means for electric connection of the coils of the electromagnetic clutches
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a kind of normally closed shaft coupling with arrangement of clutch, including shaft coupling ontology, support shaft, magnetic coil, dynamic iron hoop, output pedestal；Shaft coupling ontology couples support shaft；Dynamic iron hoop, output pedestal pass through spring bearing respectively and are sequentially arranged in support shaft；First friction unit on dynamic iron hoop is with the second friction piece mounted in pairs on output pedestal and on opposing end surface between the two；Magnetic coil and compression elastic piece are installed between shaft coupling ontology and dynamic iron hoop, compression elastic piece is for pushing dynamic iron hoop to compress output pedestal in the axial direction, it is in close contact the second friction piece on first friction unit and the output pedestal on iron hoop, realizes power transmitting output；When magnetic coil is powered, magnetic attraction is generated to dynamic iron hoop, iron hoop is made to overcome the compression thrust of compression elastic piece, it is mobile to shaft coupling ontology side, it separates the first friction unit on iron hoop with the second friction piece on output pedestal, realizes that power disconnects.
Description
Technical field
The present invention relates to a kind of normally closed shaft coupling with arrangement of clutch, belongs to technical field of engineering machinery.
Background technique
Currently, the power of the machine driven system of domestic and international project machinery on startup disconnects, mainly pass through external clutch
Device realizes, i.e., setting clutch cuts off power between the engine and the gearbox；And started using Hydraulic Power Transmission System
When power disconnect, power disconnection is mainly carried out by the clutch in hydraulic valve off-load or transfer case.But in the case of this kind,
Since the hydraulic pump as the engineering machinery band such as paver is numerous, especially in cold-starting, the resistance of unloaded hydraulic system also compared with
Greatly, engine is often led to be difficult to start or difficulty in starting.Clutch configuration simultaneously in transfer case is complicated, fabricates cost
It is high.In short, existing technical conditions and device are difficult to meet requirement of the market to low temperature unloading starting.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of normally closed shaft coupling with arrangement of clutch
Device.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of normally closed shaft coupling with arrangement of clutch, including shaft coupling ontology further include support shaft, magnetic coil, move iron hoop, is defeated
Pedestal out；
Connection setting support shaft on the shaft coupling ontology；
The dynamic iron hoop is mounted in support shaft by the first spring bearing, and the output pedestal is installed by the second spring bearing
In support shaft；The dynamic iron hoop and output pedestal are sequentially sleeved in support shaft, and the dynamic iron hoop is located at close to shaft coupling
This side；
It is provided with first friction unit on the dynamic iron hoop, is provided with the second friction piece on the output pedestal；First friction unit with
Second friction piece mounted in pairs and it is located at dynamic iron hoop and exports on the opposing end surface of pedestal between the two；
The dynamic iron hoop is provided with the compression elastic piece that thrust is capable of providing after compression close to this side of shaft coupling, for pushing
It states iron hoop and compresses the output pedestal in the axial direction, make on the first friction unit and the output pedestal on the dynamic iron hoop
The second friction piece be in close contact, realize power transmitting output；
Magnetic coil is installed between the shaft coupling ontology and dynamic iron hoop, when magnetic coil is powered, to the dynamic iron hoop
Magnetic attraction is generated, so that iron hoop is overcome the compression thrust of the compression elastic piece, and mobile to shaft coupling ontology side, it is described dynamic
First friction unit on iron hoop is separated with the second friction piece on the output pedestal, realizes that power disconnects.
Preferably, the normally closed shaft coupling with arrangement of clutch, the setting of shaft coupling body central position
There is support shaft mounting hole, the support shaft, which is vertically arranged, to be connected on the shaft coupling ontology.
It is furthermore preferred that being connected by bolts between the support shaft and shaft coupling ontology, or pass through spline or Flat dey joint.
Further, the normally closed shaft coupling with arrangement of clutch, further includes brush, the magnetic coil passes through brush
Connect electric current.
Further, the normally closed shaft coupling with arrangement of clutch further includes limit end cap, for limiting the output
The movement of pedestal axis direction；The limit end cap is fixedly connected in the support shaft.
Further, the normally closed shaft coupling with arrangement of clutch, further includes protective shell, the protective shell and shaft coupling
Ontology is fixedly connected, and is located at magnetic coil, compression elastic piece, dynamic iron hoop, is exported outside pedestal.
It is furthermore preferred that offering output through-hole on the protective shell, it is connect for the output pedestal with ex-ternal transmission part.
Preferably, the compression elastic piece is compressed spring, disk spring.
Preferably, the normally closed shaft coupling with arrangement of clutch, the on the dynamic iron hoop and output pedestal
One friction piece, the second friction piece are oppositely arranged for one group or multiple groups interval is oppositely arranged.
Preferably, the normally closed shaft coupling with arrangement of clutch is provided on the shaft coupling ontology and is used for
The coil mounting groove of magnetic coil is installed.
The utility model has the advantages that the normally closed shaft coupling provided by the invention with arrangement of clutch, with arrangement of clutch, can be realized clutch
Function combines clutch and shaft coupling, can be according to the requirement of user, by first giving magnetic line when engine start
Circle is powered, and generation magnetic force overcomes the compressing force of spring, attracts dynamic iron hoop mobile, disengages power, and the zero load of engine completion at this time is opened
It is dynamic.It is powered off after starting successfully to magnetic coil, magnetic attraction disappears, and spring force compresses dynamic iron hoop again, completes power transmitting.In addition,
This normally closed coupler structure with arrangement of clutch is stablized, and package unit high reliablity is at low cost, can satisfy functional same
When save the cost.The low temperature that can be very good to solve engine unloads start-up technique problem, also solves using band in transfer case
The problem of high cost of arrangement of clutch scheme and difficult manufacture.Meanwhile it can satisfy different clients and use occasion and power disconnected
Demand, it is easily controllable and manufacture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the normally closed shaft coupling with arrangement of clutch in embodiment；
In figure: brush 1；Protective shell 2；Second friction piece 3；Limit end cap 4；Export pedestal 5；First friction unit 6；Shaft coupling ontology
7；Compression elastic piece 8；Magnetic coil 9；Support shaft 10；First spring bearing 11；Second spring bearing 12；Dynamic iron hoop 13；Output
Through-hole 14.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
Embodiment 1
As shown in Figure 1, a kind of normally closed shaft coupling with arrangement of clutch, including it is shaft coupling ontology 7, support shaft 10, dynamic iron hoop 13, defeated
Pedestal 5, compression elastic piece 8, magnetic coil 9 out；
7 center of the shaft coupling ontology connection setting support shaft 10；
The dynamic iron hoop 13 is mounted in support shaft 10 by the first spring bearing 11, and the output pedestal 5 passes through the second support
Bearing 12 is mounted in support shaft 10；The dynamic iron hoop 13 is sequentially sleeved in support shaft 10 with output pedestal 5, and the dynamic iron
Ring 13 is located at close to 7 side of shaft coupling ontology；
It is provided with first friction unit 6 on the dynamic iron hoop 13, is provided with the second friction piece 3 on the output pedestal 5；First friction
Body 6 and 3 mounted in pairs of the second friction piece and it is located on the opposing end surface of dynamic iron hoop 13 and output pedestal 5 between the two；
Wherein first friction unit 6, the second friction piece 3 are attached to respectively on dynamic iron hoop 13 and output pedestal 5, are transmitted when for pressing dynamic
Power.
The dynamic iron hoop 13 is provided with the compression elastic piece 8 that thrust is capable of providing after compression close to 7 side of shaft coupling ontology, uses
In pushing the dynamic iron hoop 13 to compress the output pedestal 5 in the axial direction, make first friction unit 6 on the dynamic iron hoop 13 and
The second friction piece 3 on the output pedestal 5 is in close contact, and realizes power transmitting output；
Magnetic coil 9 is installed between the shaft coupling ontology 7 and dynamic iron hoop 13, when magnetic coil 9 is powered, to described dynamic
Iron hoop 13 generates magnetic attraction, and iron hoop 13 is made to overcome the compression thrust of the compression elastic piece 8, and to 7 side of shaft coupling ontology
Mobile, the first friction unit 6 on the dynamic iron hoop 13 is separated with the second friction piece 3 on the output pedestal 5, realizes that power is disconnected
It opens.
Further, in some embodiments, 7 center of shaft coupling ontology is provided with support shaft mounting hole, institute
It states support shaft 10 and is vertically arranged and be connected on the shaft coupling ontology 7, pass through bolt between support shaft 10 and shaft coupling ontology 7 and join
It connects.
Further, in some embodiments, between shaft coupling ontology 7 and dynamic iron hoop 13, magnetic coil 9 and pressure are installed
Contracting elastic component 8.8 left end of compression elastic piece is resisted by locating part, and 8 right end of compression elastic piece is pressed on a left side for the dynamic iron hoop 13
End face.
The coil mounting groove for installing magnetic coil 9 is provided on the shaft coupling ontology 7.9 left end of magnetic coil is solid
Be scheduled in the coil mounting groove of shaft coupling ontology 7,9 right end of magnetic coil close to the dynamic iron hoop 13, and with the dynamic iron hoop 13
Between there are certain gap, provide space for the movement of the dynamic iron hoop 13.
Further, in some embodiments, as shown in Figure 1, further including limit end cap 4, for limiting the output seat
The movement of 5 axis direction of body.The limit end cap 4 is bolted to connection in 10 right end of support shaft.
Further, in some embodiments, as shown in Figure 1, further including brush 1, the magnetic coil 9 passes through brush 1
Connect electric current.Electric current is introduced magnetic coil 9, generates magnetic by foreign current by the brush 1 being fixed on flywheel shell of engine
Power.
It in some embodiments, further include protective shell 2, the protective shell 2 is bolted with shaft coupling ontology 7, and
It is located at magnetic coil 9, compression elastic piece 8, dynamic iron hoop 13, exports outside pedestal 5；Further, it is offered on the protective shell 2
Through-hole 14 is exported, is connect for the output pedestal 5 with ex-ternal transmission part.
The operation principle of the present invention is that: as shown in Figure 1, connecting magnetic coil 9, magnetic coil when electric current passes through brush 1
9 it is electric after generate magnetic attraction, attract dynamic iron hoop 13 to overcome the compression thrust of compression elastic piece 8, to 7 one sidesway of shaft coupling ontology
It is dynamic, it separates first friction unit 6 thereon with the second friction piece 3 on output pedestal 5, realizes that power disconnects.
When magnetic coil 9, which is powered, to be stopped, magnetic attraction disappears, and the thrust of compression elastic piece 8 compresses again moves iron hoop 13 and defeated
First friction unit 6 between pedestal 5 and the second friction piece 3 out complete power transmitting output.
In further embodiments, spline or Flat dey joint can also be passed through between support shaft and shaft coupling ontology.To dynamic
The compression elastic piece 8 that iron hoop 13 generates thrust can produce the bullet of thrust after can be compressed spring, disk spring or other compressions
Property element.
In further embodiments, the dynamic iron hoop and first friction unit 6, the second friction piece 3 on output pedestal are one
Group is oppositely arranged or multiple groups interval is oppositely arranged.In the present embodiment, as shown in Figure 1, the first friction being oppositely arranged for one group
Body 6 and the second friction piece 3.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of normally closed shaft coupling with arrangement of clutch, including shaft coupling ontology, which is characterized in that further include support shaft, magnetism
Coil, dynamic iron hoop, output pedestal；
Connection setting support shaft on the shaft coupling ontology；
The dynamic iron hoop is mounted in support shaft by the first spring bearing, and the output pedestal is installed by the second spring bearing
In support shaft；The dynamic iron hoop and output pedestal are sequentially sleeved in support shaft, and the dynamic iron hoop is located at close to shaft coupling
This side；
It is provided with first friction unit on the dynamic iron hoop, is provided with the second friction piece on the output pedestal；First friction unit with
Second friction piece mounted in pairs and it is located at dynamic iron hoop and exports on the opposing end surface of pedestal between the two；
The dynamic iron hoop is provided with the compression elastic piece that thrust is capable of providing after compression close to this side of shaft coupling, for pushing
It states iron hoop and compresses the output pedestal in the axial direction, make on the first friction unit and the output pedestal on the dynamic iron hoop
The second friction piece be in close contact, realize power transmitting output；
Magnetic coil is installed between the shaft coupling ontology and dynamic iron hoop, when magnetic coil is powered, to the dynamic iron hoop
Magnetic attraction is generated, so that iron hoop is overcome the compression thrust of the compression elastic piece, and mobile to shaft coupling ontology side, it is described dynamic
First friction unit on iron hoop is separated with the second friction piece on the output pedestal, realizes that power disconnects.
2. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that the shaft coupling body central
Position is provided with support shaft mounting hole, and the support shaft, which is vertically arranged, to be connected on the shaft coupling ontology.
3. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that the support shaft and shaft coupling
It is connected by bolts between ontology, or passes through spline or Flat dey joint.
4. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that it further include brush, the magnetic
Property coil connects electric current by brush.
5. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that further include limit end cap, use
In the movement for limiting the output pedestal axis direction；The limit end cap is fixedly connected in the support shaft.
6. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that it further include protective shell, it is described
Protective shell is fixedly connected with shaft coupling ontology, and is located at magnetic coil, compression elastic piece, dynamic iron hoop, is exported outside pedestal.
7. the normally closed shaft coupling according to claim 6 with arrangement of clutch, which is characterized in that offered on the protective shell
Through-hole is exported, is connect for the output pedestal with ex-ternal transmission part.
8. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that the compression elastic piece is pressure
Contracting spring, disk spring.
9. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that the dynamic iron hoop and output seat
First friction unit, the second friction piece on body are oppositely arranged for one group or multiple groups interval is oppositely arranged.
10. the normally closed shaft coupling according to claim 1 with arrangement of clutch, which is characterized in that on the shaft coupling ontology
It is provided with the coil mounting groove for installing magnetic coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299324.2A CN109973555A (en) | 2019-04-15 | 2019-04-15 | A kind of normally closed shaft coupling with arrangement of clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299324.2A CN109973555A (en) | 2019-04-15 | 2019-04-15 | A kind of normally closed shaft coupling with arrangement of clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973555A true CN109973555A (en) | 2019-07-05 |
Family
ID=67084664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910299324.2A Pending CN109973555A (en) | 2019-04-15 | 2019-04-15 | A kind of normally closed shaft coupling with arrangement of clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973555A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201916387U (en) * | 2010-09-14 | 2011-08-03 | 何良智 | Electromagnetic tension friction-type flexile control clutch |
| CN202451652U (en) * | 2011-09-28 | 2012-09-26 | 河南科技大学 | Tractor |
| CN202732774U (en) * | 2012-06-07 | 2013-02-13 | 长城汽车股份有限公司 | Coupling |
| CN203453404U (en) * | 2013-09-11 | 2014-02-26 | 蔡学功 | Electromagnetically controlled cone-ring type continuously variable transmission clutch and reverse gear device |
| CN210106451U (en) * | 2019-04-15 | 2020-02-21 | 徐工集团工程机械股份有限公司道路机械分公司 | Normally closed coupler with clutch device |
-
2019
- 2019-04-15 CN CN201910299324.2A patent/CN109973555A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201916387U (en) * | 2010-09-14 | 2011-08-03 | 何良智 | Electromagnetic tension friction-type flexile control clutch |
| CN202451652U (en) * | 2011-09-28 | 2012-09-26 | 河南科技大学 | Tractor |
| CN202732774U (en) * | 2012-06-07 | 2013-02-13 | 长城汽车股份有限公司 | Coupling |
| CN203453404U (en) * | 2013-09-11 | 2014-02-26 | 蔡学功 | Electromagnetically controlled cone-ring type continuously variable transmission clutch and reverse gear device |
| CN210106451U (en) * | 2019-04-15 | 2020-02-21 | 徐工集团工程机械股份有限公司道路机械分公司 | Normally closed coupler with clutch device |
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