CN110131325A - A kind of permanent magnet coupling bumper guard - Google Patents
A kind of permanent magnet coupling bumper guard Download PDFInfo
- Publication number
- CN110131325A CN110131325A CN201810129992.6A CN201810129992A CN110131325A CN 110131325 A CN110131325 A CN 110131325A CN 201810129992 A CN201810129992 A CN 201810129992A CN 110131325 A CN110131325 A CN 110131325A
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- China
- Prior art keywords
- permanent magnet
- driven
- axle sleeve
- spacing pressing
- driven disc
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- 230000008878 coupling Effects 0.000 title claims abstract description 50
- 238000010168 coupling process Methods 0.000 title claims abstract description 50
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 62
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 239000000872 buffer Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- F16D43/00—Automatic clutches
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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
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A kind of permanent magnet coupling bumper guard; there is the axle sleeve of limit baffle ring and intermediate projections portion including driving disc spacing pressing, driven disc and outer surface; axle sleeve is fixed on driven shaft by expansion sleeve; driving disc spacing pressing is supported on axle sleeve by bearing; driven disc and axle sleeve slidable connection simultaneously transmit torque, and axle sleeve is limited by limit baffle ring and intermediate raised portion slidably position other separate to driven disc and close to driving disc spacing pressing；The end face of driving disc spacing pressing has the inner fovea part of a part for accommodating rolling element, and driven disc has the slideway rolled for rolling element.The coupling bumper guard of the disclosure skids without friction during torque is transmitted in coupling; infinitely great bumper angle is provided; it automatically resets after skidding; thoroughly eliminate the torsion shake that varying load generates; eliminate the shock loading and vibration of Wind turbines high-speed gear box; the maintenance maintenance cost of gear-box is reduced, extends the service life of a whole set of transmission system equipment, improves the safety coefficient of whole system.
Description
Technical field
This disclosure relates to which permanent magnetism overload buffer protects field, and in particular, to a kind of high quick-action of wind power generating set transmission
Load absorption protective device.
Background technique
The status increasingly in short supply in face of global energy, people start more to pay attention to research and development new energy, such as wind energy, solar energy
Exploitation can effectively alleviate the energy supply quagmire in China, the wherein most mature first-elected wind energy of Industrialized conditions, for example, using
Wind power generation.However Wind Power Development also faces many difficulties, for example, wind power plant needs to meet under the conditions of field reliably
20-30 is run, various exceedingly odious weather and the wind-force alternating load loaded very much test should be able to be also withstood.Therefore, exist
In practical application, the product quality of wind power equipment is required high.In wind power generating set, how to reach high speed, heavy duty, frequency
The transmission requirement of numerous starting and change torque, is always that wind-powered electricity generation running part designs and manufactures problem.
Driving member in existing wind power installation mostly uses diaphragm coupling, though having certain deviation-correcting function, does not have
There is buffer-type slipping protection function, torsion shake can not be completely eliminated.As Chinese utility model patent (CN206320197U) is open
A kind of wind-driven generator high-speed coupling, the motor side of the shaft coupling are equipped with torque limiter, and principle is pre- with bolt
Clamp force compresses the friction plate on the right side of connector and compression plate to form moment of friction, when rotating torque is more than the setting
Moment of friction, torque limiter skid, and protect transmission system.But this torque limiter has many defects: the first, should for protection
Shaft coupling breakaway torque value, can be set to larger by the reliability that shaft coupling uses, and not allow it often to skid, the reason is that once beating
Sliding just must manually screw up with a wrench again forms pretightning force again, can not automatically reset；But if breakaway torque setting is excessive,
High-speed gear box cannot then be effectively protected.The second, friction plate can be lost thinning after often skidding, and the installation of entire shaft coupling is then
It needs to adjust, difficulty of construction is big.
Another Chinese invention patent application (CN105186830A) discloses a kind of magnetic to magnetic permanent-magnet synchronous coupler,
With buffer function, bumper angle is exactly quantity of the 360 °/magnetic to magnetic, and the quantity of magnetic patch and the angle of buffering are inversely proportional, with biography
The torque passed is directly proportional.The torque that it is transmitted is big, and magnetic patch quantity is more, but bumper angle very little.The magnetic is exhausted to magnetic-synchro coupler
To that cannot skid, because vibration when magnetic skids to the permanent magnetic coupling of magnetic is very big, the influence to drive apparatus is very big, this
It is that wind-powered electricity generation field does not allow.
The above-mentioned particularity of wind-driven generator unit causes its installation, maintenance, maintenance etc. all very difficult, in order to guarantee
Generated energy, must be requested that equipment has high reliability and non-maintaining characteristic.
Summary of the invention
The purpose of the disclosure is to provide a kind of permanent magnet coupling buffer protection to overcome the technical problems existing in the prior art
Shock loading and vibration in high-speed gear box and transmission system is completely eliminated in device, reduces the key equipment in transmission system
The failure generated because turning round shake extends the service life of wind power generator the whole series transmission system equipment.
The one side of the disclosure provides scheme 1, a kind of permanent magnet coupling bumper guard, including what is connect with power input shaft
The end face of driving disc spacing pressing and driven disc with driven axis connection, the driving disc spacing pressing has active permanent magnet, the end face of the driven disc
With driven permanent magnet, torque is transmitted by magnetic coupling between the active permanent magnet and the driven permanent magnet；
The bumper guard further includes the axle sleeve that outer surface has limit baffle ring and intermediate projections portion, and the axle sleeve passes through
Expansion sleeve is fixed on the driven shaft, and the driving disc spacing pressing is supported on the axle sleeve by bearing, the driven disc with it is described
Axle sleeve slidable connection simultaneously transmits torque, and the limit baffle ring and intermediate raised portion that the axle sleeve is arranged by its outer surface be not right
The separate and slidably position close to driving disc spacing pressing of driven disc imposes backstop；
The end face of the driving disc spacing pressing has inner fovea part, and a part of rolling element is accommodated in the inner fovea part, described driven
The end face of disk is provided with the slideway rolled for the rolling element.
Scheme 2, a kind of permanent magnet coupling bumper guard as described in scheme 1, the bumper guard are additionally provided with institute
State linkage of the driving disc spacing pressing together with the interim rigid connection of the driven disc.
Scheme 3, a kind of permanent magnet coupling bumper guard as described in scheme 1, the bearing far from the driven disc one
End is provided with bearing (ball) cover, and the bearing (ball) cover is bolted by connection in the driving disc spacing pressing.
Scheme 4, a kind of permanent magnet coupling bumper guard as described in scheme 1, the driven permanent magnet and active permanent magnet
Magnetizing direction be perpendicular to axial direction, the fixed installation form of magnetic patch is N, S grades and is staggered.
Scheme 5, a kind of permanent magnet coupling bumper guard as described in scheme 1, the driven permanent magnet and the active are forever
Have between magnet every magnetic gap, this every the maximum suction that magnetic gap is the magnet on the driven disc and the driving disc spacing pressing away from
From.
Scheme 6, a kind of permanent magnet coupling bumper guard as described in scheme 1, the rolling element are hoodle, the slideway tool
The periodic for thering is circular arc to seamlessly transit.
Scheme 7, a kind of permanent magnet coupling bumper guard as described in scheme 1, the rolling element are hoodle, the slideway tool
By the periodic for the smooth transition being made of continuous U-shaped track.
Scheme 8, a kind of permanent magnet coupling bumper guard as described in scheme 1, the rolling element are hoodle, the slideway rail
Mark is similar sine curve.
A kind of described in any item permanent magnet coupling bumper guards of scheme 9, such as scheme 6-8, the driven disc with it is described
Axle sleeve transmits torque by gear, and the portion inner surface of the driven disc has radial ring gear, and the axle sleeve is radial accordingly
Outer surface has the outer gear ring engaged with aforementioned ring gear.
Scheme 10, a kind of permanent magnet coupling bumper guard as described in scheme 9, on the driven disc interior tooth width with it is described
External tooth equivalent width on axle sleeve.
Scheme 11, a kind of permanent magnet coupling bumper guard as described in scheme 9, the drop depth of the slideway in the axial direction
More than or equal to the width of the outer gear ring on the ring gear and/or the axle sleeve on the driven disc.
Scheme 12, a kind of permanent magnet coupling bumper guard as described in scheme 9, internal tooth quantity is described on the driven disc
The integral multiple of magnetic patch quantity in driven permanent magnet, and interior tooth width is less than slideway track amplitude.
A kind of described in any item permanent magnet coupling bumper guards of scheme 13, such as scheme 6-8, the driven disc with it is described
Axle sleeve transmits torque by gear, is provided with intermeshing end in the axially facing surface between the driven disc and the axle sleeve
Face cone tooth, slideway track amplitude are greater than end face and bore tooth fully teeth height.
A kind of described in any item permanent magnet coupling bumper guards of scheme 14, such as scheme 9-13, the driven permanent magnet
Magnetic patch quantity be 2 times of the hoodle quantity, the radius of the hoodle is greater than the width or end face cone tooth of driven disc internal tooth
Fully teeth height.
A kind of described in any item permanent magnet coupling bumper guards of scheme 15, such as scheme 6-8, the institute on the driving disc spacing pressing
The pole N and/or the pole the S magnetic patch center for stating active permanent magnet are consistent with the center of the hoodle of placement.
Scheme 16, a kind of permanent magnet coupling bumper guard as described in scheme 15, on the driven disc it is described it is driven forever
The pole N and/or the pole S magnetic patch center of magnet are consistent with slideway low spot center.
A kind of described in any item permanent magnet coupling bumper guards of scheme 17, such as scheme 6-8, the limit of the limit baffle ring
Position distance is consistent with high and low drop depth of the slideway on driven disc.
Through the above technical solutions, the disclosure has the following technical effect that: this permanent magnet coupling bumper guard is coupling
Transmitting torque process can skid, but it is without friction to skid, and provides infinitely great bumper angle.It can automatically reset after skidding, thoroughly
The torsion shake that varying load generates is eliminated, the shock loading and vibration of Wind turbines high-speed gear box is eliminated, reduces the maintenance of gear-box
Maintenance cost extends the service life of a whole set of transmission system equipment, improves the safety coefficient of entire wind tower.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the first preferred embodiment of the disclosure；
Fig. 2 is the normal operating conditions schematic diagram of the first preferred embodiment of the disclosure；
Fig. 3 is the driven disk detachment momentary status schematic diagram of the first preferred embodiment of the disclosure；
Fig. 4 is the distribution of permanent magnet on the driving disc spacing pressing of the disclosure, hoodle putting hole schematic diagram；
Fig. 5 is the distribution of permanent magnet on the driven disc of the disclosure, slideway and internal tooth schematic diagram.
Fig. 6 is the end-tooth theory of engagement figure of the second preferred embodiment of the disclosure.
Description of symbols
2 limit baffle rings
4 driven discs
5 driven permanent magnets
6 active permanent magnets
7 driving disc spacing pressings
8 linkages
9 hoodles
10 connection bolts
11 bearing (ball) covers
12 axle sleeves
13 bearings
14 expansion sleeves
15 intermediate projections portions.
Specific embodiment
The disclosure is described below based on embodiment, but the disclosure is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in the datail description of the disclosure.Do not have for a person skilled in the art
The disclosure can also be understood completely in the description of these detail sections.In order to avoid obscuring the essence of the disclosure, well known method, original
Reason, structure do not repeat.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " left and right " is typically referred to such as Fig. 1
Shown in left and right side in axial direction.
Unless otherwise clearly defined and limited, the terms such as term " installation ", " connected ", " connection ", " fixation " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；It can be mechanical connection, it can also be with
It is electrical connection；Can be directly connected, can also indirectly connected through an intermediary, can be two component insides connection or
The interaction relationship of two components, unless otherwise restricted clearly.For the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term in the disclosure is understood according to concrete condition.
Embodiment one
It is as shown in Figs. 1-5 a kind of wind-powered electricity generation permanent magnet coupling bumper guard of the first preferred embodiment of the disclosure.
Fig. 1 is the structural schematic diagram of the disclosure, and the wind-powered electricity generation permanent magnet coupling bumper guard includes limit baffle ring 2, driven
Disk 4, driven permanent magnet 5, active permanent magnet 6, driving disc spacing pressing 7, linkage 8, hoodle 9 connect bolt 10, bearing (ball) cover 11, axis
Cover 12, bearing 13, expansion sleeve 14, intermediate projections portion 15.
The driving disc spacing pressing 7 connects drive end (such as step-up gear output shaft), and active permanent magnet is fixedly mounted on driving disc spacing pressing
6, the magnetizing direction of permanent magnet is perpendicular to axial direction, and the fixed installation form of permanent magnet is that N, S are staggered.Corresponding driven disc
Driven permanent magnet 5 is installed, mounting means is identical as driving disc spacing pressing on 4.
The axle sleeve 12 is fixedly mounted on driven shaft (i.e. bearing shaft, positioned at the generator of Wind turbines by expansion sleeve 14
Side) on, a part of empty set of driven disc 4 is on axle sleeve 12, the joint of intermediate projections portion 15 periphery and driven disc 4 of axle sleeve 12
With tooth engagement in the radial direction being arranged in radially outer tooth, with driven disc 4.It is connected between driving disc spacing pressing 7 and axle sleeve 12 by bearing 13,
The right end of bearing 13 is provided with bearing (ball) cover 11, and bearing (ball) cover 11 is connect by connecting bolt 10 with driving disc spacing pressing, and driving disc spacing pressing 7 can be with
It rotates, but is not axially movable on axle sleeve 12 around bearing 13.
It can be connect with power end (high-speed gear box) with the shaft coupling of other forms on the driving disc spacing pressing 7.Actively
Driven permanent magnet 5 on active permanent magnet 6 on disk 7 and driven disc 4 by there are air gap between magnetic force transmit torque；It is driven
Disk 4 by with the outer tooth engagement torque transfer on axle sleeve 12；Axle sleeve 12 is transmitted torque on bearing shaft by expansion sleeve, is formed
The transmitting of entire torque.
Specifically, the permanent magnet N of the driven disc extremely corresponds to the pole S of driving disc spacing pressing, and the S on driven disc is extremely corresponded on driving disc spacing pressing
The pole N then form torque for the torque of drive end and driving disc spacing pressing be transmitted to by magnetic force to form mutual suction, thus by
Driving disc spacing pressing drives driven disc rotation.There is certain operating distance between driven disc and the permanent magnet of driving disc spacing pressing, this distance is driven
The maximum suction distance of magnet on disk and driving disc spacing pressing.
Symmetrical hoodle 9 is equipped between the driven disc 4 and driving disc spacing pressing 7 makes driving disc spacing pressing by the setting of hoodle 9
In axial direction, there are air gaps between upper active permanent magnet 6 and the driven permanent magnet 5 of driven disc.It is machined on the end face of driving disc spacing pressing 7 and can
The hole of a part of hoodle is accommodated, hoodle can be freely rotated inside the hole, the driven side surface processing of corresponding circle diameter
There is slideway, hoodle is attached to ramp surface rolling.Inside and outside tooth width one on the depth drop and driven disc 4 and axle sleeve 12 of slideway
It causes；The fillet that the bottom surface of slideway and upper plane are hoodle radius R seamlessly transits；Slideway track can have certain amplitude for one
And the sine curve in period.
The limit baffle ring 2 is fixed on the upper of axle sleeve 12, to limit driven disc to the left far from the distance of driving disc spacing pressing, limit
Distance is consistent with high and low drop depth value of slideway on driven disc 4.
Driven disc 4 can be slided and be rotated on axle sleeve 12, be more than when the torque on driving disc spacing pressing 7 increases (shock loading) suddenly
When the torque capacity that permanent magnet on master and slave disk generates, i.e., in the eve breaking through peak torque and skidding, by slideway and
The structure setting of hoodle, hoodle push driven disc open along driven side surface slideway, and driving disc spacing pressing drives permanent magnet opposite around bearing
Turn over a cycle angle (360 °/magnetic patch installation number) in the permanent magnet of driven disc, gradually tend to driving disc spacing pressing N extremely correspond to from
The pole N of Moving plate, the S of driving disc spacing pressing extremely correspond to the pole S of driven disc, form repulsion between driven disc permanent magnet and driving disc spacing pressing permanent magnet,
The repulsion by driven disc on axle sleeve along axial direction push open far from driving disc spacing pressing to limit baffle ring, avoid the pole N, S of driving disc spacing pressing with
The vibration when suction of the pole driven disc S, N disengages.
Specifically, driven disc 4 transmits torque by the flank engagement of internal-external gear form with axle sleeve 12 in working condition,
The quantity of engaging tooth is n times of the magnetic patch quantity on master and slave disk, in the process, the pole N, S of driving disc spacing pressing and S, N of driven disc
Pole is attracting stable state.When driven disc by repulsion far from when, the inner toothed surface of driven disc is separated with the outer flank of tooth on axle sleeve, driven
Disk rotates on axle sleeve, forms a vibrationless buffering.
On the other hand, when driven disc is forced away from driving disc spacing pressing to limit baffle ring by repulsion, the pole N an of driving disc spacing pressing is formed
State to the S of the pole N of driven disc, driving disc spacing pressing extremely to the pole S of driven disc, this is a unstable state, inevitable extremely attracting to N, S
Regime shift, so that driven disc be guided to automatically reset.When master and slave Moving plate resets, hoodle allows driven in the slideway of driven disc
Disk smoothly resets, and avoids the impact generated when driven disc being drawn onto operating position suddenly when master and slave Moving plate N, S are extremely attracting.
Optionally, linkage 8 can also be set, when demagnetizing or damaging occur in the permanent magnet of permanent magnet coupling buffer
It is temporarily attached to master and slave Moving plate to transmit torque together, guarantees the sustainable work before more renewing permanent magnet coupling buffer.
Fig. 2 is the working state schematic representation of the embodiment of the present disclosure one, and diameter a part of hoodle 9 is placed on when normal work
It in the hole of 7 end face of driving disc spacing pressing, and can be rotated alone in the hole, a part of 9 residual diameter of hoodle is placed on the cunning of driven disc 4
In road, and driving disc spacing pressing 7 and driven disc 4 are separated into certain air gap (not shown), which is the pole driving and driven permanent magnet N, S
The maximum magnetic flux strength gap of interaction, at this time normally transmitting torque.
Fig. 3 is the driven disk detachment momentary status schematic diagram of the embodiment of the present disclosure one, when the torque on driving disc spacing pressing 7 is more than actively
When the torque of permanent magnet 6 and driven 5 magneticaction of permanent magnet, produces relative rotation between driving disc spacing pressing 7 and driven disc 4, be more than
Setting the previous moment of the moment of torque, (remarks: " previous moment " is the institute of the pole N of all permanent magnets of driving disc spacing pressing and driven disc
Have permanent magnet S pole that will be staggered, the pole all permanent magnet N of driving disc spacing pressing and the pole all permanent magnet N of driven disc will be aligned when
Carve, master and slave Moving plate, which does not disengage its skidding of leaving, at this time will generate very big vibration), hoodle 9 cooperates with slideway pushes away driven disc 4
It opens to limit baffle ring 2, while hoodle 9 is close to the rolling of 4 sliding way track of driven disc.Internal tooth and axis on driven disc 4 at this time
External tooth on set 12 is detached from, and 4 follow driving disc spacing pressing 7 to rotate on axle sleeve 12 together on driven disc, forms vibrationless skidding buffering.
In subsequent time, (remarks: should " moment " be after buffering is skidded, operation torque is less than setting torque for meeting after buffered
At the time of), all pole N, S of the active permanent magnet 6 of driving disc spacing pressing 7 S, the N all with the driven permanent magnet 5 of driven disc 4 are extremely corresponding
It attracts each other, driven disc 4 is adsorbed to normal operation position, the internal tooth on driven disc 4 is nibbled again with external tooth on axle sleeve 12 at this time
Close transmitting torque.At the same time, hoodle 9 steadily resets driven disc 4 with circular arc slideway track on driven disc 4, forms a nothing
The skidding of vibration buffers homing action process.
Fig. 4 is the distribution of permanent magnet on the driving disc spacing pressing of the disclosure, hoodle hole putting hole schematic diagram, Fig. 5 be the disclosure from
The distribution of permanent magnet, slideway and internal tooth schematic diagram on Moving plate.Active permanent magnet 6 and driven permanent magnet 5 are respectively staggeredly equal by the pole N, S
Cloth is fixed on driving disc spacing pressing 7 and driven disc 4, and there are every magnetic gap between each other.Active permanent magnet 6 and driven 5 shape of permanent magnet
It is in the same size.
Embodiment two
The specific embodiment of the disclosure can also be a kind of second preferred wind-powered electricity generation permanent magnet coupling bumper guard.Its with
The difference of previous embodiment is that the driven disc 4 of the present embodiment uses end-tooth engagement system with engaging for axle sleeve 12, driven
Bevel gear is respectively set in the contact face of disk 4 and axle sleeve 12, as shown in fig. 6, be bevel gear shaft angle of cut ∑=180 ° structure type,
The number of teeth is n times of driven permanent magnet quantity.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.In addition, any group can also be carried out between a variety of different embodiments of the disclosure
It closes, as long as it, without prejudice to the thought of the disclosure, equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of permanent magnet coupling bumper guard, it is characterised in that: including driving disc spacing pressing (7) He Yucong being connect with power input shaft
The end face of the driven disc (4) of moving axis connection, the driving disc spacing pressing (7) has active permanent magnet (6), the end face of the driven disc (4)
With driven permanent magnet (5), torque is transmitted by magnetic coupling between the active permanent magnet (6) and the driven permanent magnet (5)；
The bumper guard further includes the axle sleeve (12) that outer surface has limit baffle ring (2) and intermediate projections portion (15), described
Axle sleeve (12) is fixed on the driven shaft by expansion sleeve (14), and the driving disc spacing pressing (7) is supported on described by bearing (13)
On axle sleeve (12), the driven disc (4) and the axle sleeve (12) slidable connection simultaneously transmit torque, and the axle sleeve (12) passes through it
The limit baffle ring (2) of outer surface setting and intermediate projections portion (15) respectively to driven disc (4) far from and close driving disc spacing pressing (7) can
Sliding position imposes backstop；
The end face of the driving disc spacing pressing (7) has inner fovea part, and a part of rolling element, the driven disc are accommodated in the inner fovea part
(4) end face is provided with the slideway rolled for the rolling element.
2. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the bumper guard is also set up
Have the driving disc spacing pressing (7) and the interim linkage (8) of rigid connection together of the driven disc (4).
3. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the bearing (13) is far from described
One end of driven disc (4) is provided with bearing (ball) cover (11), and the bearing (ball) cover (11) is connected to described by connection bolt (10)
Driving disc spacing pressing (7).
4. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the driven permanent magnet (5) and
The magnetizing direction of active permanent magnet (6) is perpendicular to axial direction, and the fixed installation form of magnetic patch is N, S grades and is staggered.
5. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the driven permanent magnet (5) and
Have between the active permanent magnet (6) every magnetic gap, this is on the driven disc (4) and the driving disc spacing pressing (7) every magnetic gap
Magnet maximum suction distance.
6. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the rolling element is hoodle (9),
The slideway has the periodic of circular arc smooth transition.
7. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the rolling element is hoodle (9),
The slideway has the periodic for the smooth transition being made of continuous U-shaped track.
8. a kind of permanent magnet coupling bumper guard as described in claim 1, it is characterised in that: the rolling element is hoodle (9),
The slideway track is similar sine curve.
9. such as a kind of described in any item permanent magnet coupling bumper guards of claim 6-8, it is characterised in that: the driven disc
(4) torque is transmitted by gear with the axle sleeve (12), the portion inner surface of the driven disc (4) has radial ring gear, institute
Stating the corresponding radially-outer surface of axle sleeve (12) has the outer gear ring engaged with aforementioned ring gear.
10. a kind of permanent magnet coupling bumper guard as claimed in claim 9, it is characterised in that: internal tooth on the driven disc (4)
External tooth equivalent width on width and the axle sleeve (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129992.6A CN110131325B (en) | 2018-02-08 | 2018-02-08 | Permanent magnet coupling buffer protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129992.6A CN110131325B (en) | 2018-02-08 | 2018-02-08 | Permanent magnet coupling buffer protector |
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| CN110131325A true CN110131325A (en) | 2019-08-16 |
| CN110131325B CN110131325B (en) | 2024-01-26 |
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| CN201810129992.6A Active CN110131325B (en) | 2018-02-08 | 2018-02-08 | Permanent magnet coupling buffer protector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725895A (en) * | 2019-10-17 | 2020-01-24 | 北京泓慧国际能源技术发展有限公司 | Energy storage flywheel protection device |
| CN113669381A (en) * | 2021-08-25 | 2021-11-19 | 天津市汇智尘科技有限公司 | Moment limiting mechanism and transmission system |
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| SU1756681A1 (en) * | 1990-11-16 | 1992-08-23 | М.П.Шишкарев | Slipping clutch |
| JPH05168222A (en) * | 1991-12-18 | 1993-07-02 | Heriosu:Kk | Method of preventing excessive torque and its preventive device |
| JP2012036923A (en) * | 2010-08-04 | 2012-02-23 | Crown Machinery Co Ltd | Driving device |
| CN208074033U (en) * | 2018-02-08 | 2018-11-09 | 江苏磁谷科技股份有限公司 | A kind of permanent magnet coupling bumper guard |
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2018
- 2018-02-08 CN CN201810129992.6A patent/CN110131325B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1756681A1 (en) * | 1990-11-16 | 1992-08-23 | М.П.Шишкарев | Slipping clutch |
| JPH05168222A (en) * | 1991-12-18 | 1993-07-02 | Heriosu:Kk | Method of preventing excessive torque and its preventive device |
| JP2012036923A (en) * | 2010-08-04 | 2012-02-23 | Crown Machinery Co Ltd | Driving device |
| CN208074033U (en) * | 2018-02-08 | 2018-11-09 | 江苏磁谷科技股份有限公司 | A kind of permanent magnet coupling bumper guard |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725895A (en) * | 2019-10-17 | 2020-01-24 | 北京泓慧国际能源技术发展有限公司 | Energy storage flywheel protection device |
| CN113669381A (en) * | 2021-08-25 | 2021-11-19 | 天津市汇智尘科技有限公司 | Moment limiting mechanism and transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131325B (en) | 2024-01-26 |
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