CN105846651A - Non-contact shaft coupler - Google Patents
Non-contact shaft coupler Download PDFInfo
- Publication number
- CN105846651A CN105846651A CN201610185436.1A CN201610185436A CN105846651A CN 105846651 A CN105846651 A CN 105846651A CN 201610185436 A CN201610185436 A CN 201610185436A CN 105846651 A CN105846651 A CN 105846651A
- Authority
- CN
- China
- Prior art keywords
- wheel disc
- teeth
- contact type
- type coupling
- magnetic
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to a shaft coupler, especially relates to a non-contact shaft coupler using strong magnetic substance for power transmission. The non-contact shaft coupler comprises a driving shaft and a driven shaft, which are connected together by adopting the magnetic force. The non-contact shaft coupler is advantageous in that the hard connection of the shaft coupler can be changed into the magnetic connection, and then the torque can be transmitted to realize the power transmission, and therefore the buffering space can be increased, the impact on the power system can be effectively reduced, the friction force can be reduced, and the power can be enhanced; the structure is simple, and the practicability is strong.
Description
Technical field
The present invention relates to a kind of shaft coupling, particularly to a kind of non-contact type coupling utilizing ferromagnetic substance transmission power.
Background technology
By actuating device, the power of power source being passed the acting pattern that parts carry out doing work extensively admitted by society and used, through-drive is as one of indispensable kind of drive, and at electric power, boats and ships, automobile etc. is widely used in field.Axle system typically completes the connection between adjacent shaft part by shaft coupling, this connected mode is Hard link, in the power transmission of high-speed overload, when frequency of vibration and the close generation resonance of outside excitation force frequency of axle system self, light then the axle system service life reduction that causes, even causes the major accident of fatal crass time serious.And in practical situations both, outside exciting force is uncontrollable or change, owing to tradition shaft coupling does not the most possess the adjustability of elasticity, the most how regulating the natural frequency of vibration of axle system by the characteristic changing shaft coupling is a kind of good developing direction.
Summary of the invention
The present invention proposes one and utilizes the interconnective non-contact type coupling of magnetic force.
One non-contact type coupling of the present invention, including driving shaft and driven shaft, is connected by magnetic force between described driving shaft and driven shaft.
Preferably, driving shaft includes respectively that with driven shaft is coaxially disposed and interfixes the axle sleeve and wheel disc being connected, wherein wheel disc sets several wheel disc teeth away from a side ring of axle sleeve, the both sides of each wheel disc teeth are equipped with the magnetic block that polarity is different, and on described same wheel disc, the magnetic block magnetic between adjacent two teeth is different；Engaging each other between driving shaft with driven shaft to arrange to be formed and engage interval, in described engagement interval, the magnetic block polarity between the most adjacent two teeth is identical.
Preferably, being arranged on wheel disc of described wheel disc teeth releasable.
Further preferably, described wheel disc is provided with the side of wheel disc teeth and is provided with several dovetail grooves, the quantity of described dovetail groove is consistent with the quantity of wheel disc teeth, the bottom of each roulette teeth is equipped with the trapezium structure matched with dove tail shape, and wheel disc teeth are inserted in dovetail groove by trapezium structure.
It is further preferred that the both sides of described wheel disc teeth are equipped with groove, magnetic block is arranged in the groove of wheel disc teeth.
It is highly preferred that magnetic block is Nd-Fe-B rare-earth permanent magnet block.
It is highly preferred that described wheel disc and wheel disc teeth are aluminum wheel disc and aluminum wheel disc teeth or copper wheel dish and copper wheel dish teeth.
A kind of non-contact type coupling of the present invention, the hard connecting mode of shaft coupling is become the connected mode that magnetic force connects, transmit moment of torsion and realize the transmission of power, increase cushion space, effectively reduce the impact to dynamical system, decrease frictional force, enhance power, present configuration is simple, practical.
Accompanying drawing explanation
Fig. 1 is structural representation Fig. 1 of driving shaft of the present invention or driven shaft.
Fig. 2 is structural representation Fig. 2 of driving shaft of the present invention or driven shaft.
Fig. 3 is driving shaft and structural representation Fig. 1 in driven shaft engagement interval of the present invention.
1-driving shaft or driven shaft in figure；2-wheel disc；3-wheel disc teeth；4-magnetic block；5-engages interval；In 6-engagement interval, between the most adjacent two teeth, the magnetic of magnetic block is identical；On the same wheel disc of 7-, the magnetic block magnetic between adjacent two teeth is different.
Detailed description of the invention
Embodiment 1
One non-contact type coupling of the present invention, including driving shaft 1 and driven shaft 1, driving shaft 1 includes one group respectively and is coaxially disposed and interfixes the axle sleeve being connected and wheel disc 2 with driven shaft 1, wherein wheel disc 2 sets several wheel disc teeth 3 away from a side ring of axle sleeve, the both sides of each wheel disc teeth 3 are equipped with the different magnetic block of polarity 4, magnetic block 4 magnetic difference 7 between adjacent two teeth on described same wheel disc 2；Engage each other between driving shaft 1 with driven shaft 1 to arrange to be formed and engage interval 5, the polarity identical 6 of magnetic block 4 between the most adjacent two teeth in described engagement interval 5.Magnetic block 4 of the present invention is Nd-Fe-B rare-earth permanent magnet block.Wheel disc 2 of the present invention and wheel disc teeth 3 are aluminum wheel disc 2 and aluminum wheel disc teeth 3 or copper wheel dish 2 and copper wheel dish teeth 3.
Non-contact type coupling of the present invention magnetisable material magnetic between adjacent two teeth on same wheel disc 2 is different；Polarity identical 6 between the most adjacent two teeth in engagement interval 5, it is ensured that between interval 5 every pair of adjacent two teeth of engagement all by repulsive force, each wheel disc teeth 3 both sides is by captivation.
When two wheel discs 2 are meshed, on driving shaft 1 wheel disc 2, the both sides of teeth are all by the repulsive force of phase adjacent teeth on driven shaft 1 wheel disc 2, when two axles are static, the repulsive force that in engagement interval 5, the most adjacent two teeth are subject to is equal, the captivation that each wheel disc teeth 3 both sides are subject to is equal, and shaft coupling is in stress balance state.When driving shaft 1 rotates to side, gap between the interval 5 adjacent two wheel disc teeth 3 of engagement is gradually reduced, affected by magnetic block 4 in wheel disc teeth 3, repulsive force between the teeth of driving shaft 1 and driven shaft 1 increases therewith, when this repulsive force reaches to be enough to promote driven shaft 1 to rotate, driven shaft 1 starts to rotate, and ramps up, until dynamic equilibrium.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, difference is that wheel disc 2 described in the present embodiment is provided with the side of wheel disc teeth 3 and is provided with several dovetail grooves, the quantity of described dovetail groove is consistent with the quantity of wheel disc teeth 3, each wheel disc 2 is taken turns the bottom of teeth and is equipped with the trapezium structure matched with dove tail shape, and wheel disc teeth 3 are inserted in dovetail groove by trapezium structure.
The present embodiment is provided with dovetail groove on wheel disc 2, and wheel disc teeth 3 are mutually inserted with wheel disc 2, can change the magnetic force property of shaft coupling easily by regulation wheel disc teeth 3 in the position of dovetail groove, and then change the vibration characteristics of whole axle system in concrete operations.
Embodiment 3
The present embodiment is essentially identical with embodiment 1 or embodiment 2, and difference is that the both sides of described wheel disc teeth 3 are equipped with groove, and magnetic block 4 is arranged in the groove of wheel disc teeth 3, facilitates the replacing of magnetic block 4 or the change of magnetic.
Claims (7)
1. a non-contact type coupling, including driving shaft (1) and driven shaft (1), it is characterised in that be connected by magnetic force between described driving shaft (1) and driven shaft (1).
2. a kind of non-contact type coupling, it is characterized in that driving shaft (1) includes one group respectively and is coaxially disposed and interfixes the axle sleeve being connected and wheel disc (2) with driven shaft (1), wherein wheel disc (2) sets several wheel disc teeth (3) away from a side ring of axle sleeve, the both sides of each wheel disc teeth (3) are equipped with the different magnetic blocks of polarity (4), and magnetic block (4) magnetic between upper adjacent two teeth of described same wheel disc (2) is different；Engaging each other between driving shaft (1) with driven shaft (1) to arrange to be formed and engage interval (5), in described engagement interval (5), magnetic block (4) polarity between the most adjacent two teeth is identical.
3. a kind of non-contact type coupling, it is characterised in that: being arranged on wheel disc (2) of described wheel disc teeth (3) releasable.
4. a kind of non-contact type coupling, it is characterized in that: described wheel disc (2) is provided with the side of wheel disc teeth (3) and is provided with several dovetail grooves, the quantity of described dovetail groove is consistent with the quantity of wheel disc teeth (3), the bottom of each wheel disc (2) wheel teeth is equipped with the trapezium structure matched with dove tail shape, and wheel disc teeth (3) are inserted in dovetail groove by trapezium structure.
5. a kind of non-contact type coupling as described in claim 3 or 4, it is characterised in that: the both sides of described wheel disc teeth (3) are equipped with groove, and magnetic block (4) is arranged in the groove of wheel disc teeth (3).
6. a kind of non-contact type coupling, it is characterised in that: magnetic block (4) is Nd-Fe-B rare-earth permanent magnet block.
7. as claimed in claim 2 a kind of non-contact type coupling, it is characterised in that: described wheel disc (2) and wheel disc teeth (3) they are aluminum wheel disc (2) and aluminum wheel disc teeth (3) or copper wheel dish (2) and copper wheel dish teeth (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185436.1A CN105846651A (en) | 2016-03-29 | 2016-03-29 | Non-contact shaft coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185436.1A CN105846651A (en) | 2016-03-29 | 2016-03-29 | Non-contact shaft coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105846651A true CN105846651A (en) | 2016-08-10 |
Family
ID=56584037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185436.1A Pending CN105846651A (en) | 2016-03-29 | 2016-03-29 | Non-contact shaft coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105846651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194089A (en) * | 2018-07-28 | 2019-01-11 | 广东汇四方精密磁材有限公司 | A kind of contactless multi stage magnetic shaft coupling |
| CN109795663A (en) * | 2019-01-16 | 2019-05-24 | 浙江省海洋开发研究院 | A kind of propeller for vessels tailing axle drive mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010068701A (en) * | 2000-01-07 | 2001-07-23 | 이당현 | No-touch motive device |
| CN2446330Y (en) * | 2000-08-31 | 2001-09-05 | 钱辉 | Coupling driving gear |
| CN2510668Y (en) * | 2001-12-05 | 2002-09-11 | 钱辉 | Inductive coupling transmission mechainsm |
| CN1924405A (en) * | 2006-09-13 | 2007-03-07 | 李岭群 | Water chestnet type permanent magnetic gear wheel and torque gear |
| CN202260967U (en) * | 2011-09-28 | 2012-05-30 | 兰州海兰德泵业有限公司 | Planar magnetic transmission coupler |
| CN102891587A (en) * | 2012-09-29 | 2013-01-23 | 浙江威泰汽配有限公司 | Non-contact magnetic transmission on-off synchronizer |
| CN205666748U (en) * | 2016-03-29 | 2016-10-26 | 中国大唐集团科学技术研究院有限公司西北分公司 | Non -contact coupling |
-
2016
- 2016-03-29 CN CN201610185436.1A patent/CN105846651A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010068701A (en) * | 2000-01-07 | 2001-07-23 | 이당현 | No-touch motive device |
| CN2446330Y (en) * | 2000-08-31 | 2001-09-05 | 钱辉 | Coupling driving gear |
| CN2510668Y (en) * | 2001-12-05 | 2002-09-11 | 钱辉 | Inductive coupling transmission mechainsm |
| CN1924405A (en) * | 2006-09-13 | 2007-03-07 | 李岭群 | Water chestnet type permanent magnetic gear wheel and torque gear |
| CN202260967U (en) * | 2011-09-28 | 2012-05-30 | 兰州海兰德泵业有限公司 | Planar magnetic transmission coupler |
| CN102891587A (en) * | 2012-09-29 | 2013-01-23 | 浙江威泰汽配有限公司 | Non-contact magnetic transmission on-off synchronizer |
| CN205666748U (en) * | 2016-03-29 | 2016-10-26 | 中国大唐集团科学技术研究院有限公司西北分公司 | Non -contact coupling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194089A (en) * | 2018-07-28 | 2019-01-11 | 广东汇四方精密磁材有限公司 | A kind of contactless multi stage magnetic shaft coupling |
| CN109795663A (en) * | 2019-01-16 | 2019-05-24 | 浙江省海洋开发研究院 | A kind of propeller for vessels tailing axle drive mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |