CN204131365U - overload protection type permanent magnetic transmission device - Google Patents
overload protection type permanent magnetic transmission device Download PDFInfo
- Publication number
- CN204131365U CN204131365U CN201320760564.6U CN201320760564U CN204131365U CN 204131365 U CN204131365 U CN 204131365U CN 201320760564 U CN201320760564 U CN 201320760564U CN 204131365 U CN204131365 U CN 204131365U
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- China
- Prior art keywords
- disk
- steel disk
- magnetic conductive
- transmission device
- permanent
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 239000004020 conductor Substances 0.000 claims abstract description 35
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000005389 magnetism Effects 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 150000002910 rare earth metals Chemical class 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model belongs to power drive drive system field, relates to a kind of overload protection type permanent magnetic transmission device.It mainly comprises drive end, magnetic conductive disk rotary components, permanent magnet rotary components and load end, and magnetic conductive disk rotary components is had along order arrangement on coaxial line and the fixing steel disk, the first conductor steel disk, the second conductor steel disk and the retainer ring that are worn by some air gap positioning pipes of arranging in the form of a ring; Permanent magnet rotary components is folded between the first magnetic conductive disk and the second magnetic conductive disk, has the first permanent magnetism aluminium dish and the second permanent magnetism aluminium dish that are bolted.Overload protection type permanent magnetic transmission device of the present utility model; achieve in driving (motor) and driven (load) side to adopt on-mechanical, without rigidly connected permanent magnetism transmitting torque; easily occur " overload phenomenon " mainly for electric rotating machine and load; can apply in the presence of a harsh environment; ensure that the safe and reliable operation of equipment, significantly reduce maintenance of equipment and fault time cost.
Description
Technical field
The utility model belongs to power drive drive system field, particularly relates to the permanent magnet transmission field without rigid torque transfer that a kind of on-mechanical connects, relates to a kind of overload protection type permanent magnetic transmission device in particular.
Background technology
Existing dynamic rotation system load side (water pump, blower fan, reductor, belt feeder etc.) drive motors adopts the conventional mode that is in transmission connection, load-side in actual applications payload is different, as the coal amount on raw coal conveyer belt coal is different, normal generation overload phenomenon and stall phenomenon, motor coil is caused to burn out, have a strong impact on production efficiency and fail safe, inrush current is large, drive motors machine envelope and load machine seal and damage frequently, bring severe compromise to safety in production, maintenance cost is excessive.
Utility model content
For the technical problem existed in prior art; the utility model provides a kind of overload protection type permanent magnetic transmission device; this transmission device when load torque changes, can change the air-gap separation between magnetic conductive disk rotary components and permanent magnet rotary components, thus realizes overload protection.
To achieve these goals; the technical scheme that the utility model adopts is: a kind of overload protection type permanent magnetic transmission device; comprise drive end and load end; described drive end comprises driving shaft and drives locking plate; described load end comprises driven shaft and load locking plate; meanwhile, this permanent magnetic transmission device also comprises:
Magnetic conductive disk rotary components, is had along order arrangement on coaxial line and the fixing steel disk, the first conductor steel disk, the second conductor steel disk and the retainer ring that are worn by some air gap positioning pipes of arranging in the form of a ring; Described first conductor steel disk is respectively equipped with the first magnetic conductive disk and the second magnetic conductive disk with the second relative side of conductor steel disk; Described air gap positioning pipe is placed in the first conductor steel disk both sides the first annular boss and the second annular boss respectively, the side of described second annular boss abuts with fixing steel disk, and the both sides of described first annular boss abut with the first conductor steel disk, the second conductor steel disk respectively; The edge of described first magnetic conductive disk and the second magnetic conductive disk is provided with the arc groove for being arranged on air gap positioning pipe; The two ends of described air gap positioning pipe are fixed by two locking nuts be placed in outside fixing steel disk and retainer ring; Described driving locking plate is installed on the side that fixing steel disk deviates from the first conductor steel disk;
Permanent magnet rotary components, be folded between the first magnetic conductive disk and the second magnetic conductive disk, there is the first permanent magnetism aluminium dish and the second permanent magnetism aluminium dish that are bolted, first permanent magnetism aluminium dish and the second permanent magnetism aluminium dish are provided with run through its card and arrange in the form of a ring for inlaying, the installing hole of rare-earth permanent magnet is installed, described first permanent magnetism aluminium dish is provided with and is fixedly connected with dish for what connect load locking plate.
Further, the card of described first conductor steel disk near fixing steel disk side is provided with the first heat dissipation exhaust sheet of arranging in the form of a ring, and the card of described second conductor steel disk near retainer ring side is provided with the second heat dissipation exhaust sheet of arranging in the form of a ring.
Further, the outside along rare-earth permanent magnet in described installing hole is provided with resigning hole.
Further, the material of described first magnetic conductive disk (35) and the second magnetic conductive disk (36) is set to copper or aluminium.
Overload protection type permanent magnetic transmission device of the present utility model, compared with prior art, its beneficial effect shows:
1), utilize magnetic strength principle transfer of torque (its operation principle is that one end rare metal oxide Nd-Fe-B permanent magnet and the interaction of other end induced field produce torque), load (reductor, belt feeder, blower fan, water pump etc.) and motor between transmission be transmission between magnetic conductive disk rotor and p-m rotor, two parts are separate, there is no physical contact, adopt on-mechanical, without rigidly connected permanent magnetism transmitting torque, shielding system vibration is transmitted, comprise high-octane permanent magnet in accurate magnetic rotor component and be connected on bearing axle, relative motion between magnet and conductor produces eddy current, and by air gap transmitting torque, normal work period, standard air gap can provide the highest moment of torsion and maximum operational efficiency, load (reductor, belt feeder, blower fan, water pump etc.) and motor there is no mechanical Hard link, completely by air gap transmitting torque, such benefit has isolated the transmission of vibration, lower vibration, eliminate vibration ability and reach as high as 80%.
2), this transmission this area between magnetic conduction rotor and permanent magnet rotor is referred to as permanent magnet transmission, permanent magnet transmission significantly can improve system operating characteristics, the drive motors No Load Start of permanent magnet transmission before starting load, reduce the starting current of motor, reduce the thermal shock load of motor and the impact on electrical network, thus saves energy extend the working life of motor, and when very efficiently reducing startup drive system to the destructive tension force of reductor, eliminate the vibration produced when load starts, and can rapidly its air gap be put to maximum after exceeding nominal torque transmission 1.2 times and 1.8 times of moments of torsion, its motor is dallied, significantly can also alleviate the suffered startup of drive system itself to impact, extend motor and reductor, belt feeder, blower fan, the useful life of the critical components such as water pump.
3), easily there is " overload phenomenon " mainly for electric rotating machine and load (belt feeder, reductor, water pump, blower fan etc.); reduce electric motor starting impulse current simultaneously; no-harmonic wave pollution; can apply in the presence of a harsh environment; vibration between isolation motor and load; the machine protecting motor and load seals parts, ensure that the safe and reliable operation of equipment, significantly reduce maintenance of equipment and fault time cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of overload protection type permanent magnetic transmission device of the present utility model.
Fig. 2 is A-A direction view in Fig. 1.
Fig. 3 is the structural representation of magnetic conductive disk rotary components 30 in Fig. 2.
Fig. 4 is B-B direction view in Fig. 3.
Fig. 5 is the structural representation of permanent magnet rotary components 40 in Fig. 2.
Fig. 6 is C-C direction view in Fig. 5.
Fig. 7 is the stereochemical structure view of overload protection type permanent magnetic transmission device of the present utility model.
Embodiment
The utility model to be further described below in conjunction with accompanying drawing for the ease of it will be appreciated by those skilled in the art that.As a kind of preferred embodiment of the present utility model, refer to Fig. 1-7, overload protection type permanent magnetic transmission device, comprise drive end 10, magnetic conductive disk rotary components 30, permanent magnet rotary components 40 and load end 20, wherein:
Magnetic conductive disk rotary components 30 cylindrically frame structure, it comprises fixing steel disk 31, first conductor steel disk 32, the second conductor steel disk 33 and retainer ring 34 of arranging along order on coaxial line.Fixing steel disk 31, first conductor steel disk 32, second conductor steel disk 33 and retainer ring 34 wear its respective marginal position by the air gap positioning pipe 39 that six are arranged in the form of a ring.
Drive end 10 comprises driving shaft 11 and drives locking plate 12, and driving locking plate 12 is installed on the side that fixing steel disk 31 deviates from the first conductor steel disk 32.
The card of the first conductor steel disk 32 near fixing steel disk 31 side is provided with the card of the first heat dissipation exhaust sheet 37, second conductor steel disk 33 near retainer ring 34 side of arranging in the form of a ring and is provided with the second heat dissipation exhaust sheet 38 of arranging in the form of a ring.
The material that first conductor steel disk 32 and the second relative side of conductor steel disk 33 are respectively equipped with the first magnetic conductive disk 35 and the second magnetic conductive disk 36, first magnetic conductive disk (35) and the second magnetic conductive disk (36) is set to copper or aluminium.
Air gap positioning pipe 39 is placed in the first conductor steel disk 32 both sides the first annular boss 391 and the second annular boss 392 respectively, the side of the second annular boss 392 abuts with fixing steel disk 31, and the both sides of the first annular boss 391 abut with the first conductor steel disk 32, second conductor steel disk 33 respectively.
The edge of the first magnetic conductive disk 35 and the second magnetic conductive disk 36 is provided with the arc groove for being arranged on air gap positioning pipe 39.
The two ends of air gap positioning pipe 39 are fixed by two locking nuts 394 be placed in outside fixing steel disk 31 and retainer ring 34.
Permanent magnet rotary components 40 is folded between the first magnetic conductive disk 35 and the second magnetic conductive disk 36, have by the first fixing permanent magnetism aluminium dish 41 and the second permanent magnetism aluminium dish 42 of bolt 45, first permanent magnetism aluminium dish 41 and the second permanent magnetism aluminium dish 42 are provided with and run through its card and the installing hole 43 for inlaying installation rare-earth permanent magnet 47 (rare metal oxide Nd-Fe-B permanent magnet) of arranging in the form of a ring, the outside along rare-earth permanent magnet 47 in installing hole 43 is provided with resigning hole 44.
First permanent magnetism aluminium dish 41 is provided with and is fixedly connected with dish 46 for what connect load locking plate 22, and load locking plate 22 is connected with the driven shaft 21 of walking in self-retaining ring 34, then forms load end 20.
When load-side moment of torsion exceedes specified 1.2 times of moments of torsion to 1.8 times moment of torsion; magnetic conductive disk rotary components can change and change from minimal air gap to maximum air gap on permanent magnet rotary components in location sliding bar (air gap positioning pipe); load maximum torque transfer can be met under minimal air gap state; load stall can be reached under maximum air gap state; motor dallies; the machine of protection motor and load seals, and motor stopping restarts and can return to maximum torque transfer.
Above-mentionedly by reference to the accompanying drawings utility model to be exemplarily described; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed this insubstantial that method of the present utility model is conceived and technical scheme is carried out to improve; or the design of utility model and technical scheme directly applied to other occasions, all within protection range of the present utility model without to improve.
Claims (4)
1. an overload protection type permanent magnetic transmission device; comprise drive end (10) and load end (20); described drive end (10) comprises driving shaft (11) and drives locking plate (12); described load end (20) comprises driven shaft (21) and load locking plate (22), it is characterized in that this permanent magnetic transmission device also comprises:
Magnetic conductive disk rotary components (30), is had along order arrangement on coaxial line and the fixing steel disk (31), the first conductor steel disk (32), the second conductor steel disk (33) and the retainer ring (34) that are worn by some air gap positioning pipes (39) of arranging in the form of a ring; Described first conductor steel disk (32) is respectively equipped with the first magnetic conductive disk (35) and the second magnetic conductive disk (36) with the second conductor steel disk (33) relative side; Described air gap positioning pipe (39) is placed in the first conductor steel disk (32) both sides the first annular boss (391) and the second annular boss (392) respectively, the side of described second annular boss (392) abuts with fixing steel disk (31), and the both sides of described first annular boss (391) abut with the first conductor steel disk (32), the second conductor steel disk (33) respectively; The edge of described first magnetic conductive disk (35) and the second magnetic conductive disk (36) is provided with the arc groove for being arranged on air gap positioning pipe (39); The two ends of described air gap positioning pipe (39) are fixed by two locking nuts (394) being placed in fixing steel disk (31) and retainer ring (34) outside; Described driving locking plate (12) is installed on the side that fixing steel disk (31) deviates from the first conductor steel disk (32);
Permanent magnet rotary components (40), be folded between the first magnetic conductive disk (35) and the second magnetic conductive disk (36), have by the first fixing permanent magnetism aluminium dish (41) of bolt (45) and the second permanent magnetism aluminium dish (42), first permanent magnetism aluminium dish (41) and the second permanent magnetism aluminium dish (42) are provided with run through its card and arrange in the form of a ring for inlaying the installing hole (43) installing rare-earth permanent magnet (47), described first permanent magnetism aluminium dish (41) is provided with and is fixedly connected with dish (46) for what connect load locking plate (22).
2. overload protection type permanent magnetic transmission device according to claim 1; it is characterized in that: the card of described first conductor steel disk (32) near fixing steel disk (31) side is provided with the first heat dissipation exhaust sheet (37) of arranging in the form of a ring, and the card of described second conductor steel disk (33) near retainer ring (34) side is provided with the second heat dissipation exhaust sheet (38) of arranging in the form of a ring.
3. overload protection type permanent magnetic transmission device according to claim 1, is characterized in that: the outside along rare-earth permanent magnet (47) in described installing hole (43) is provided with resigning hole (44).
4. the overload protection type permanent magnetic transmission device according to claim 1 or 2 or 3, is characterized in that: the material of described first magnetic conductive disk (35) and the second magnetic conductive disk (36) is set to copper or aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760564.6U CN204131365U (en) | 2013-11-25 | 2013-11-25 | overload protection type permanent magnetic transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760564.6U CN204131365U (en) | 2013-11-25 | 2013-11-25 | overload protection type permanent magnetic transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131365U true CN204131365U (en) | 2015-01-28 |
Family
ID=52387685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760564.6U Expired - Lifetime CN204131365U (en) | 2013-11-25 | 2013-11-25 | overload protection type permanent magnetic transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747688A (en) * | 2015-03-03 | 2015-07-01 | 中国矿业大学 | Friction plate for magnetorheological transmission device |
| CN109274247A (en) * | 2018-11-09 | 2019-01-25 | 安徽沃弗电力科技有限公司 | A kind of permanent-magnet variable-speed case |
-
2013
- 2013-11-25 CN CN201320760564.6U patent/CN204131365U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747688A (en) * | 2015-03-03 | 2015-07-01 | 中国矿业大学 | Friction plate for magnetorheological transmission device |
| CN109274247A (en) * | 2018-11-09 | 2019-01-25 | 安徽沃弗电力科技有限公司 | A kind of permanent-magnet variable-speed case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHU LONG Effective date: 20150506 Owner name: ANHUI WOLF POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU JIANHAI Effective date: 20150506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 221200 HUAIAN, JIANGSU PROVINCE TO: 230088 HEFEI, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150506 Address after: 230088 Anhui high tech Zone Hefei City Wangjiang Road and Jin Gui Lu intersection Kunpeng Industrial Park AE-3 (dressing room) Patentee after: ANHUI WOFU ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 221200 Huaian City, Jiangsu Province High Town Lianshui County seven village four group No. 24 Patentee before: Xu Jianhai Patentee before: Zhu Long |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230088 Anhui high tech Zone Hefei City Wangjiang Road and Jin Gui Lu intersection Kunpeng Industrial Park AE-3 (dressing room) Patentee after: Anhui Wofu Permanent Magnet Technology Co.,Ltd. Address before: 230088 Anhui high tech Zone Hefei City Wangjiang Road and Jin Gui Lu intersection Kunpeng Industrial Park AE-3 (dressing room) Patentee before: ANHUI WOFU ELECTRIC POWER TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |