CN208074033U - A kind of permanent magnet coupling bumper guard - Google Patents
A kind of permanent magnet coupling bumper guard Download PDFInfo
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- CN208074033U CN208074033U CN201820225616.2U CN201820225616U CN208074033U CN 208074033 U CN208074033 U CN 208074033U CN 201820225616 U CN201820225616 U CN 201820225616U CN 208074033 U CN208074033 U CN 208074033U
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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 by expansion sleeve on driven shaft; driving disc spacing pressing is supported on by bearing on axle sleeve; driven disc and axle sleeve slidable connection simultaneously transmit torque, and axle sleeve is limited by the other slidably position to driven disc far from and close to driving disc spacing pressing of limit baffle ring and intermediate raised portion；There is the inner fovea part for the part for accommodating rolling element, driven disc to have the slideway rolled for rolling element for the end face of driving disc spacing pressing.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 shock loading and the 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 technology
The present situation 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 ripe first-elected wind energy of Industrialized conditions, such as using
Wind power generation.However Wind Power Development also faces many difficulties, for example, wind power plant needs under the conditions of meeting in the wild 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 startup and change torque is always the design and manufacture problem of wind-powered electricity generation running part.
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, it is that protection should
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 be then 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 cushioning effect, 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 wind-powered electricity generation field not allow.
The above-mentioned particularity of wind-driven generator unit causes its installation, maintenance, maintenance etc. all very difficult, in order to ensure
Generated energy, must be requested that equipment has high reliability and non-maintaining characteristic.
Utility model content
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
The shock loading in high-speed gear box and transmission system and vibration is completely eliminated in device, reduces the key equipment in transmission system
The failure generated due to shake because turning round, 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, includes being 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, have every magnetic gap between the driven permanent magnet and the active 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 by bearing on the axle sleeve, 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
Slidably position of the driven disc far from and close to driving disc spacing pressing imposes backstop；
The end face of the driving disc spacing pressing has inner fovea part, and a part for 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 the linkage together with driving disc spacing pressing and 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 active permanent magnet and it is described it is driven forever
Torque is transmitted by magnetic coupling between magnet, the magnetizing direction of the active permanent magnet and driven permanent magnet is perpendicular to axis
To 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, it is described every magnetic gap be the driven disc with
The maximum suction distance of magnet on the driving disc spacing pressing.
Scheme 6, a kind of permanent magnet coupling bumper guard as described in scheme 1, the rolling element are hoodle, the slideway tool
There is the periodic that circular arc seamlessly transits.
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 seamlessly transitted 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.
Scheme 9, a kind of permanent magnet coupling bumper guard of any one of them of 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, the axle sleeve radial accordingly
Outer surface has the external toothing 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 ring gear on the driven disc and/or the width of the external toothing on the axle sleeve.
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.
Scheme 13, a kind of permanent magnet coupling bumper guard of any one of them of such as scheme 6-8, the driven disc with it is described
Axle sleeve transmits torque by gear, and intermeshing end is provided in the axially facing surface between the driven disc and the axle sleeve
Face cone tooth, slideway track amplitude are more than end face and bore tooth fully teeth height.
Scheme 14, a kind of permanent magnet coupling bumper guard of any one of them of 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 more than the width or end face cone tooth of driven disc internal tooth
Fully teeth height.
Scheme 15, a kind of permanent magnet coupling bumper guard of any one of them of such as scheme 6-8, the institute on the driving disc spacing pressing
The poles N and/or the poles 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 poles N and/or the poles S magnetic patch center of magnet are consistent with slideway low spot center.
Scheme 17, a kind of permanent magnet coupling bumper guard of any one of them of 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, shock loading and the vibration of Wind turbines high-speed gear box is eliminated, reduces the repair 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 be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, 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.
Reference sign
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 implementation mode
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 description of these detail sections can also understand the disclosure completely.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, being containing for " including but not limited to "
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；Can be mechanical connection, it can also
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
Understand the concrete meaning of above-mentioned term in the disclosure 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, connection bolt 10, bearing (ball) cover 11, axis
Set 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 axle, 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 by bearing 13 between driving disc spacing pressing 7 and axle sleeve 12,
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.
The shaft coupling of other forms can be used to connect it with power end (high-speed gear box) 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 to by expansion sleeve on bearing axle, is formed
The transmission of entire torque.
Specifically, the permanent magnet N of the driven disc extremely corresponds to the poles S of driving disc spacing pressing, and the S on driven disc is extremely corresponded on driving disc spacing pressing
The poles N, to form mutual suction, then formed torque the torque of drive end is transmitted to driving disc spacing pressing by magnetic force, to 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 disk and the magnet on driving disc spacing pressing.
Symmetrical hoodle 9 is installed between the driven disc 4 and driving disc spacing pressing 7, by the setting of hoodle 9, makes driving disc spacing pressing
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 for hoodle is accommodated, hoodle can be freely rotated inside the hole, the driven side surface processing of corresponding circle diameter
There are slideway, hoodle to be attached to ramp surface rolling.The depth drop of slideway and driven disc 4 and the inside and outside tooth width one on axle sleeve 12
It causes；The bottom surface of slideway is seamlessly transitted with the fillet that upper plane is hoodle radius R；Slideway track, which can be one, has certain amplitude
And the sine curve in period.
The limit baffle ring 2 is fixed on the upper of axle sleeve 12, to limit the driven disc distance far from driving disc spacing pressing to the left, limit
Distance is consistent with high and low drop depth value of the 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 broken through peak torque and skidded, 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 poles N of Moving plate, the S of driving disc spacing pressing extremely correspond to the poles S of driven disc, and repulsion is formed between driven disc permanent magnet and driving disc spacing pressing permanent magnet,
The repulsion driven disc is pushed open on axle sleeve in an axial direction 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 poles driven disc S, N disengages.
Specifically, driven disc 4 transmits torque with axle sleeve 12 in working condition by the flank engagement of internal-external gear form,
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 detached 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 poles N of a driving disc spacing pressing are formed
State to the S of the poles N of driven disc, driving disc spacing pressing extremely to the poles S of driven disc, this is a unstable state, inevitable extremely attracting to N, S
Regime shift, to guide driven disc 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, ensures 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 a diameter part for hoodle 9 is placed on when normal work
It in the hole of 7 end face of driving disc spacing pressing, and can alone be rotated in the hole, a part for 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 poles driving and driven permanent magnet N, S
The maximum magnetic flux strength gap of interaction normally transmits torque at this time.
Fig. 3 is one driven disk detachment momentary status schematic diagram of the embodiment of the present disclosure, when the torque on driving disc spacing pressing 7 is more than actively
When the torque of permanent magnet 6 and 5 magneticaction of driven permanent magnet, produce relative rotation between driving disc spacing pressing 7 and driven disc 4, more than
Set the previous moment (remarks of the moment of torque：" previous moment " is the poles N of all permanent magnets of driving disc spacing pressing and the institute of driven disc
Have permanent magnet S pole that will be staggered, the poles all permanent magnet N of driving disc spacing pressing and the poles 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 prodigious vibration), hoodle 9 coordinates 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 be rotated on axle sleeve 12 together on driven disc, forms vibrationless skidding buffering.
It can be in subsequent time (remarks after buffered：Should " moment " be after buffering is skidded, operation torque is less than setting torque
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
It closes and transmits 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 flow.
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 is respectively staggeredly equal by the pole N, S with driven permanent magnet 5
Cloth is fixed on driving disc spacing pressing 7 on driven disc 4, and there are every magnetic gap between each other.Active permanent magnet 6 and 5 shape of driven permanent magnet
It is in the same size.
Embodiment two
The specific implementation mode of the disclosure can also be a kind of second preferred wind-powered electricity generation permanent magnet coupling bumper guard.Its with
Difference lies in the driven disc 4 of the present embodiment uses end-tooth engagement system to previous embodiment with engaging for axle sleeve 12, driven
Bevel gear is respectively set in disk 4 and the contact face of 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 above in association with attached drawing, 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 domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.In addition, arbitrary 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 (19)
1. a kind of permanent magnet coupling bumper guard, it is characterised in that：Include the driving disc spacing pressing (7) being connect with power input shaft and with from
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), have every magnetic gap between the driven permanent magnet (5) and the active permanent magnet (6)；
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 by expansion sleeve (14) on the driven shaft, 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 for 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 active permanent magnet (6) and
Torque is transmitted by magnetic coupling between the driven permanent magnet (5), the active permanent magnet (6) and driven permanent magnet (5) are filled
Magnetic direction 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：It is described every magnetic gap be it is described from
The maximum suction distance of Moving plate (4) and the magnet on the driving disc spacing pressing (7).
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 that circular arc seamlessly transits.
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 seamlessly transitted 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 permanent magnet coupling bumper guard of any one of them 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 external toothing 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)
Width and the external tooth equivalent width on the axle sleeve (12).
11. a kind of permanent magnet coupling bumper guard as claimed in claim 9, it is characterised in that：The slideway is in the axial direction
Drop depth is greater than or equal to the width of the ring gear on the driven disc (4) and/or the external toothing on the axle sleeve (12).
12. 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)
Quantity is the integral multiple of magnetic patch quantity in the driven permanent magnet (5), and interior tooth width is less than slideway track amplitude.
13. such as a kind of permanent magnet coupling bumper guard of any one of them of claim 6-8, it is characterised in that：It is described driven
Disk (4) transmits torque with the axle sleeve (12) by gear, axially contact between the driven disc (4) and the axle sleeve (12)
Intermeshing end face cone tooth is provided on face, slideway track amplitude is more than end face and bores tooth fully teeth height.
14. such as a kind of permanent magnet coupling bumper guard of any one of them of claim 10-12, it is characterised in that：It is described from
The magnetic patch quantity of dynamic permanent magnet (5) is 2 times of the hoodle (9) quantity, and the radius of the hoodle (9) is more than driven disc internal tooth
Width.
15. a kind of permanent magnet coupling bumper guard as claimed in claim 9, it is characterised in that：The driven permanent magnet (5)
Magnetic patch quantity is 2 times of the hoodle (9) quantity, and the radius of the hoodle (9) is more than the width of driven disc internal tooth.
16. a kind of permanent magnet coupling bumper guard as claimed in claim 13, it is characterised in that：The driven permanent magnet (5)
Magnetic patch quantity be 2 times of the hoodle (9) quantity, the radius of the hoodle (9) is more than the fully teeth height of end face cone tooth.
17. such as a kind of permanent magnet coupling bumper guard of any one of them of claim 6-8, it is characterised in that：The active
The poles N of the active permanent magnet (6) on disk (7) and/or the center of the hoodle (9) of the poles S magnetic patch center and placement
Unanimously.
18. a kind of permanent magnet coupling bumper guard as claimed in claim 17, it is characterised in that：On the driven disc (4)
The poles N and/or the poles S magnetic patch center of the driven permanent magnet (5) are consistent with slideway low spot center.
19. such as a kind of permanent magnet coupling bumper guard of any one of them of claim 6-8, it is characterised in that：The limit
The limit distance of baffle ring (2) is consistent with high and low drop depth of slideway on driven disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820225616.2U CN208074033U (en) | 2018-02-08 | 2018-02-08 | A kind of permanent magnet coupling bumper guard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820225616.2U CN208074033U (en) | 2018-02-08 | 2018-02-08 | A kind of permanent magnet coupling bumper guard |
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| CN208074033U true CN208074033U (en) | 2018-11-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109921602A (en) * | 2019-04-08 | 2019-06-21 | 湖南中特液力传动机械有限公司 | Magnetic coupling delay start method and delaying type magnetic coupling |
| CN110131325A (en) * | 2018-02-08 | 2019-08-16 | 江苏磁谷科技股份有限公司 | A kind of permanent magnet coupling bumper guard |
| CN110535320A (en) * | 2019-08-14 | 2019-12-03 | 江苏磁谷科技股份有限公司 | A kind of magnetic coupling |
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2018
- 2018-02-08 CN CN201820225616.2U patent/CN208074033U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131325A (en) * | 2018-02-08 | 2019-08-16 | 江苏磁谷科技股份有限公司 | A kind of permanent magnet coupling bumper guard |
| CN110131325B (en) * | 2018-02-08 | 2024-01-26 | 江苏磁谷科技股份有限公司 | Permanent magnet coupling buffer protector |
| CN109921602A (en) * | 2019-04-08 | 2019-06-21 | 湖南中特液力传动机械有限公司 | Magnetic coupling delay start method and delaying type magnetic coupling |
| CN109921602B (en) * | 2019-04-08 | 2023-12-29 | 湖南中特液力传动机械有限公司 | Delayed starting method of magnetic coupler and delayed magnetic coupler |
| CN110535320A (en) * | 2019-08-14 | 2019-12-03 | 江苏磁谷科技股份有限公司 | A kind of magnetic coupling |
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