CN104315030A - Electromagnetic clutch - Google Patents
Electromagnetic clutch Download PDFInfo
- Publication number
- CN104315030A CN104315030A CN201410527961.8A CN201410527961A CN104315030A CN 104315030 A CN104315030 A CN 104315030A CN 201410527961 A CN201410527961 A CN 201410527961A CN 104315030 A CN104315030 A CN 104315030A
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- CN
- China
- Prior art keywords
- magnetic clutch
- armature
- transmission shaft
- secondary part
- friction plate
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- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses an electromagnetic clutch. The electromagnetic clutch comprises two driving parts which are distributed along the axial direction of a transmission shaft (6), and two driven parts which correspond to the two driving parts respectively. According to the electromagnetic clutch, the cost is reduced under the condition that the electromagnetic clutch needs to be matched with two types of equipment rotated by a driving device, and the emergency state is good.
Description
Technical field
The present invention relates to a kind of clutch, particularly, relate to a kind of magnetic clutch.
Background technique
For the present, clutch is obtained in every field and applies widely, magnetic clutch purposes as one of clutch kind is also very extensive, namely realize by the combination of clutch the rotation that secondary part drives device to be driven, but because of the design of magnetic clutch internal structure, the selection of device to be driven is single often, such clutch function is relatively simple, having certain defect with needing when equipment that two kinds of devices to be driven rotate mates, the inner single active part of magnetic clutch and secondary part in addition, need after breaking down to carry out timely site examining and repairing, emergency capability is poor.
Summary of the invention
It is good that technical problem to be solved by this invention is to provide a kind of emergency capability, with need cost-effective magnetic clutch when equipment that two kinds of devices to be driven rotate mates.
In order to solve the problems of the technologies described above, the invention provides a kind of magnetic clutch, described magnetic clutch comprises two axial arranged active parts along transmission shaft and two corresponding with two active parts respectively secondary parts.
Preferably, described active part comprises yoke and is wrapped in the coil in described yoke.
Preferably, described secondary part comprises armature, Returnning spring and outer connector, described Returnning spring one end is connected to described outer connector, the other end is connected to described armature, the rotation of described armature can drive the rotation of described outer connector, the friction plate fixing with described yoke is provided with between described armature and yoke, wherein:
Under described coil electricity state, described friction plate contacts with armature;
Under described coil blackout state, between described friction plate and armature, be formed with gap.
Preferably, under "on" position, the sense of rotation of the described outer connector of two secondary parts is set to unanimously.
Preferably, under off-position, described gap length is set to 0.3mm ~ 0.5mm.
Preferably, described armature and outer connector are by being fixed together through the rivet of described Returnning spring.
Preferably, described Returnning spring is extension spring, and described friction plate is ceramic friction plate.
Preferably, the one in described active part and secondary part and described transmission shaft synchronous axial system, described active part is connected with described transmission shaft rotationally with the another one in secondary part.
Preferably, described active part is connected with described transmission shaft bond with the one in secondary part, and described active part is connected by bearing with described transmission shaft with the another one in secondary part.
Pass through technique scheme, by two secondary parts arranging two active parts at magnetic clutch internal symmetry He correspond, thus two outer connectors can be connected to same device to be driven, if when now an outer connector or connected active part or secondary part break down, other one group can be continued to use, so consider from emergent angle, this kind of clutch has certain advantage; In addition, also two outer connectors can being connected to different drive units, can mating with needing the equipment that two kinds of devices to be driven rotate like this, not need to use two magnetic clutchs in equipment, decrease cost.Different power sources can also be connected, with the mode of operation making equipment supporting with it can select different magnetic clutchs in different operating modes simultaneously.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the cut-away section structural representation of the magnetic clutch according to the preferred embodiment of the present invention.
Description of reference numerals
1, yoke 2, coil
3, friction plate 4, Returnning spring
5, outer connector 6, transmission shaft
7, armature.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower " of use typically refers to reference to shown in the drawings upper and lower; " inside and outside " refers to profile inside and outside relative to each parts itself.
Described in brought forward, for increasing the function of magnetic clutch and improving emergency capability, the invention provides a kind of magnetic clutch with two active parts and two secondary parts.It should be noted that, the rule that in the present invention, the name of active part and secondary part is not clear and definite, just relative to generally majority's acceptable one name, and this name does not limit the various mode of executions of the following stated.Those skilled in the art, it is understood that described " device to be driven " is commonly referred to as speed changer, belt wheel etc., is not particularly limited at this, specifically determines according to mated equipment.
See Fig. 1, the invention provides a kind of magnetic clutch, described magnetic clutch comprises along two axial arranged active parts of transmission shaft 6 and two corresponding with two active parts respectively secondary parts.Active part realizes engaging and being separated with elimination with the generation of corresponding secondary part by electromagnetic force.
According to the present invention, in order to realize active part, secondary part and transmission shaft 6 three combination can operate smoothly, one in described active part and secondary part and described transmission shaft 6 synchronous axial system, described active part is connected with described transmission shaft 6 rotationally with the another one in secondary part, under preferable case, active part is connected with transmission shaft 6 key with the one in secondary part, active part is connected by bearing with transmission shaft 6 with the another one in secondary part, namely key connection realizes synchronous axial system, and bearing realizes being rotatably connected.Be connected with transmission shaft 6 key with active part below, the mode of execution that secondary part is connected with transmission shaft 6 bearing is that example is described in detail.
Be connected with transmission shaft 6 key at active part, in the mode of execution that secondary part is connected with transmission shaft 6 bearing, two active parts are relatively fixing, but each active part can engage with corresponding secondary part relatively independently or be separated.
Active part is connected with power source (can be motor, motor etc.) by transmission shaft 6, namely active part is as the parts initiatively moved, secondary part is combined by clutch and drives device to be driven to rotate, thus utilizes the outside outputting power of secondary part by the joint of active part and secondary part.The present invention designs two secondary parts, thus two secondary parts can connect same device to be driven, also different devices to be driven can be connected respectively, can draw in the energized state thus, this kind of magnetic clutch has three kinds of mode of operations, namely, when two secondary parts connect same device to be driven, can be that two secondary parts drive a device to be driven simultaneously, this kind of mode of operation can use when load is larger; Also can be drive a device to be driven by means of only a secondary part, if when now the connected active part of this secondary part breaks down, other one group can be continued to use, and thus, this kind of clutch has good emergency capability; Also can be that two secondary parts drive two different devices to be driven respectively, two devices to be driven can work simultaneously, also can not simultaneously work, specifically can decide according to the conditions for equipment use matched, be not particularly limited at this, like this, magnetic clutch function is no longer single, can mate with needing the equipment that two kinds of devices to be driven rotate, not needing use two magnetic clutchs, decreasing cost.
In addition, also can connect power source by secondary part and utilize transmission shaft 6 outputting power by active part, namely secondary part is as the parts initiatively moved, transmission shaft 6 connects device to be driven, thus utilizes transmission shaft 6 outwards outputting power by the joint of active part and secondary part.Particularly, secondary part is combined with power source (can be motor, motor) connects, the present invention designs two secondary parts, namely two secondary parts can be selected to connect the same power source, also can select to connect different dynamic source, wherein the selection of power source does not have clear and definite restriction, as long as can provide power namely within selectable range.Select motor and motor herein as power source (namely in two secondary parts, connection motor, a connecting engine) mode of execution is in the energized state described, in view of considering economic and practical effect, the present invention is divided into following three kinds of working methods; Can be engine operation, motor work, now one group of active part of connecting engine and secondary part work, drives transmission shaft 6 to rotate, and another group active part and secondary part do not work; Also can be machine operation, motor work, and principle is identical with the pattern of engine operation; Can also be that motor and motor work simultaneously.
When secondary part selects the combination of motor and motor, namely achieve this kind of magnetic clutch and have two kinds of power resources, can be arranged on and oil is housed, in the system of electricity mixing, economically consider, most area power price is lower than fuel oil, so under the environment having continued power, general selection machine operation, on the contrary, if there is no the environment of continued power, engine operation can be enabled, or can work both when load ratio is larger simultaneously, here it should be noted that, motor can be accumulated certain electric energy, to make when motor breaks down, motor can normally work, connected equipment is made to keep stable operation.These three kinds of mode of executions can select suitable power source according to concrete operating mode, and applicable performance is better compared with other magnetic clutchs.
Here it should be noted that, comprehensive above-mentioned mode of execution, in order to realize two groups of active parts and secondary part works alone, can be controlled by two groups of circuits, one group of active part and secondary part energising work can be allowed, other one group of no electric circuit (the one idle running namely in active part and secondary part); In addition, the control of above different working modes can be realized by central control box or other programmings, and this partial design should be that those skilled in the art are to understand, does not repeat them here.
In the application, active part and secondary part can adopt various suitable form, as long as can carry out transmission by joint and disconnect transmission by being separated.
In one embodiment, the coil 2 that described active part comprises yoke 1 and is wrapped in described yoke 1, described secondary part comprises armature 7, Returnning spring 4 and outer connector 5, described Returnning spring 4 one end is connected to described outer connector 5, the other end is connected to described armature 7, the rotation of described armature 7 can drive the rotation of described outer connector 5, the friction plate 3 fixing with described yoke 1 is provided with between described armature 7 and yoke 1, wherein: under described coil 2 "on" position, described friction plate 3 contacts with armature 7; Under described coil 2 off-position, between described friction plate 3 and armature 7, be formed with gap.In the mode of execution shown in Fig. 1, active part is connected with transmission shaft 6 key, and secondary part is connected by bearing with transmission shaft 6, and be specially yoke 1 and be connected with transmission shaft 6 key, armature 7 utilizes bearing to be connected with transmission shaft 6.Be connected by bearing with transmission shaft 6 at active part, in the mode of execution that secondary part is connected with transmission shaft 6 key, yoke 1 can be made to be connected by bearing with transmission shaft 6, and armature 7 is connected with transmission shaft 6 key.
Be specially, under "on" position, coil 2 magnetisation, armature 7 is held, thus active part and secondary part are in the state of connection, now Returnning spring 4 is in the state of extension, and because being provided with the friction plate 3 fixing with described yoke 1 between armature 7 and yoke 1, so friction torque can be passed to armature 7 during the rotation of coil 2, thus drive the rotation of outer connector 5;
Under off-position, gap is formed between described friction plate 3 and armature 7, and the size in gap is set to 0.3mm ~ 0.5mm, the setting of gap length does not have clear and definite restriction, can also be that numerical value outside this scope can, here in order to ensure in the energized state, coil 2 can not inhale incessantly when inhaling armature 7 or produce because gap is little the situation of relative movement because gap is large, just so arrange this number range.
Because there are two outer connectors 5 in structural design of the present invention, then can take into account the sense of rotation problem of two outer connectors 5, here it should be noted that, the sense of rotation of outer connector 5 can be consistent, also can be inconsistent, arranging of sense of rotation can by well known to a person skilled in the art general knowledge to realize, in order to cater to aim of the present invention, such as when one group of active part and secondary part break down, other one group can be continued to use, namely require that the two groups of outer connector connected 5 roles are identical, in a preferred embodiment, under "on" position, the sense of rotation of the outer connector 5 of 2 secondary parts is set to unanimously.
About the setting of secondary part, best, described armature 7 and outer connector 5 are fixed together by the rivet through Returnning spring 4, so just can prevent the relative movement between armature 7 and outer connector 5, decrease internal energy loss.
In one embodiment, described Returnning spring 4 is extension spring, and namely under "on" position, Returnning spring 4 is in stretched condition, and under off-position, Returnning spring 4 needs armature 7 to be withdrawn into original position, namely forms the gap in an above-mentioned number range.
In addition, frictional heat when working to prevent friction plate 3, the service behaviour of the whole magnetic clutch of the too high impact of temperature, selects the stupalith of good heat-insulation effect here, and namely described friction plate 3 is ceramic friction plate.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a magnetic clutch, is characterized in that, described magnetic clutch comprises two axial arranged active parts along transmission shaft (6) and two corresponding with two active parts respectively secondary parts.
2. magnetic clutch according to claim 1, is characterized in that, described active part comprises yoke (1) and is wrapped in the coil (2) in described yoke (1).
3. magnetic clutch according to claim 2, it is characterized in that, described secondary part comprises armature (7), Returnning spring (4) and outer connector (5), described Returnning spring (4) one end is connected to described outer connector (5), the other end is connected to described armature (7), the rotation of described armature (7) can drive the rotation of described outer connector (5), the friction plate (3) fixing with described yoke (1) is provided with between described armature (7) and yoke (1), wherein:
Under described coil (2) "on" position, described friction plate (3) contacts with armature (7);
Under described coil (2) off-position, between described friction plate (3) and armature (7), be formed with gap.
4. magnetic clutch according to claim 3, is characterized in that, under "on" position, the sense of rotation of the described outer connector (5) of two secondary parts is set to unanimously.
5. magnetic clutch according to claim 3, is characterized in that, under off-position, described gap length is set to 0.3mm ~ 0.5mm.
6. magnetic clutch according to claim 3, is characterized in that, described armature (7) and outer connector (5) are by being fixed together through the rivet of described Returnning spring (4).
7. magnetic clutch according to claim 3, is characterized in that, described Returnning spring (4) is extension spring, and described friction plate (3) is ceramic friction plate.
8. according to the magnetic clutch in claim 1-7 described in any one, it is characterized in that, one in described active part and secondary part and described transmission shaft (6) synchronous axial system, described active part is connected with described transmission shaft (6) rotationally with the another one in secondary part.
9. magnetic clutch according to claim 8, it is characterized in that, described active part is connected with described transmission shaft (6) key with the one in secondary part, and described active part is connected by bearing with described transmission shaft (6) with the another one in secondary part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410527961.8A CN104315030A (en) | 2014-10-09 | 2014-10-09 | Electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410527961.8A CN104315030A (en) | 2014-10-09 | 2014-10-09 | Electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315030A true CN104315030A (en) | 2015-01-28 |
Family
ID=52370311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410527961.8A Pending CN104315030A (en) | 2014-10-09 | 2014-10-09 | Electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315030A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111433477A (en) * | 2017-09-30 | 2020-07-17 | 深圳市艾莱茵科技有限公司 | Electromagnetic clutch and gearbox |
| CN112576646A (en) * | 2019-09-29 | 2021-03-30 | 广东博智林机器人有限公司 | Driving device of construction robot and feeding machine with driving device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722425A (en) * | 1980-07-14 | 1982-02-05 | Nissan Motor Co Ltd | Pulley clutch mechanism |
| CN1900531A (en) * | 2005-07-22 | 2007-01-24 | 巴鲁法蒂股份公司 | Dual armature device for transmitting the movement to fans for cooling the engine of motor vehicles |
| CN203374691U (en) * | 2013-07-11 | 2014-01-01 | 楚天科技股份有限公司 | Double action clutch |
| CN204312573U (en) * | 2014-10-09 | 2015-05-06 | 芜湖市中亚汽车制动元件有限公司 | Magnetic clutch |
-
2014
- 2014-10-09 CN CN201410527961.8A patent/CN104315030A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722425A (en) * | 1980-07-14 | 1982-02-05 | Nissan Motor Co Ltd | Pulley clutch mechanism |
| CN1900531A (en) * | 2005-07-22 | 2007-01-24 | 巴鲁法蒂股份公司 | Dual armature device for transmitting the movement to fans for cooling the engine of motor vehicles |
| CN203374691U (en) * | 2013-07-11 | 2014-01-01 | 楚天科技股份有限公司 | Double action clutch |
| CN204312573U (en) * | 2014-10-09 | 2015-05-06 | 芜湖市中亚汽车制动元件有限公司 | Magnetic clutch |
Non-Patent Citations (1)
| Title |
|---|
| 胡企贤: "《电磁离合器》", 31 May 1981 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111433477A (en) * | 2017-09-30 | 2020-07-17 | 深圳市艾莱茵科技有限公司 | Electromagnetic clutch and gearbox |
| CN112576646A (en) * | 2019-09-29 | 2021-03-30 | 广东博智林机器人有限公司 | Driving device of construction robot and feeding machine with driving device |
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| PB01 | Publication | ||
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Application publication date: 20150128 |