CN205212568U - Motor stator's shock absorbing means , motor stator and motor - Google Patents
Motor stator's shock absorbing means , motor stator and motor Download PDFInfo
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- CN205212568U CN205212568U CN201521066759.6U CN201521066759U CN205212568U CN 205212568 U CN205212568 U CN 205212568U CN 201521066759 U CN201521066759 U CN 201521066759U CN 205212568 U CN205212568 U CN 205212568U
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Abstract
The utility model provides a motor stator's shock absorbing means, it includes: strutting arrangement, its and motor stator support fixed connection, inhale the frequency adjusting device that shakes for shock absorbing means's natural frequency is adjusted according to motor stator's vibration frequency, guider for frequency adjusting device along the direction vibration with motor stator vibration opposite direction of shaking is inhaled in the guide, it includes quality adjusting device and elasticity adjusting device to inhale the frequency adjusting device that shakes, quality adjusting device adjustment shock absorbing means's natural frequency to suit with motor stator's vibration frequency, the elastic adjustment device control quality adjusting device is in the balancing seat porpoise. The utility model discloses a design dynamic vibration absorber device is installed in motor stator's different positions, reaches the vibration and the complete machine vibration that restrain the motor to reduce the operational failure that the motor arouses because of the vibration, improve the unit reliability of operation. The utility model discloses still provide the motor stator and the motor that have above -mentioned shock absorbing means.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly a kind of shock-absorbing means of the Generator Vibration for reducing Wind turbines, the motor stator with this shock-absorbing means and motor.
Background technology
In the reproducible energy, wind energy is a kind of very clean, promising energy.The wind energy content on China ground is 32.26 hundred million kw, and developable resource reaches 2.53 hundred million kw.Greatly develop wind power generation and there is certain economic and social benefit.But wind-driven generator vibration & noise in the running more and more can not be ignored, become the problem that wind-powered electricity generation industry development needs solution badly.
The existing correlative study to reducing wind power generation machine vibration in prior art, mainly by improve tower system vibration, rotor carried out to axial limiting or realize the suppression to Generator Vibration by parameters such as control system adjustment generating set propeller pitch angle, torque, generator speeds.Inventor is found by research repeatedly, also exist in the vibration insulating system of existing generator and can not fundamentally suppress generator violent oscillatory motion, suppress the problem easily causing generator stall, effectiveness in vibration suppression difference during vibration, and adopt the method for ACTIVE CONTROL, allow unit in the rotating speed interval that vibration occurs quickly through, can at the energy output to a certain degree losing unit; And unit just can trigger ACTIVE CONTROL when reaching certain Oscillation Amplitude, still there is the risk of vibration in generator.Therefore reduce vibration and the noise of generating set, thus reduce generating set because vibrating the operation troubles caused, the reliability improving unit operation is the technical problem that those skilled in the art needs solution badly.
Utility model content
The purpose of this utility model is to provide a kind of shock-absorbing means of motor stator, the stator with this shock-absorbing means and motor, it is by design motivation shock-absorbing means, be arranged on the diverse location of motor stator, reach the vibration and complete machine oscillation that suppress motor, thus reduce unit because vibrating the operation troubles caused, improve the reliability of unit operation.
For reaching above-mentioned purpose, the utility model provides a kind of shock-absorbing means of motor stator, comprising: a bracing or strutting arrangement be fixedly connected with motor stator bracket; One is arranged on the absorbing frequency adjusting device on described bracing or strutting arrangement, for regulating the natural frequency of shock-absorbing means according to the vibration frequency of motor stator; One guider for guiding described absorbing frequency adjusting device to vibrate along the direction contrary with the direction of vibration of described motor stator; Wherein, absorbing frequency adjusting device comprises quality regulator and flexible adjustment device, and the natural frequency of quality regulator adjustment shock-absorbing means, to adapt with the vibration frequency of motor stator; Flexible adjustment device Mass Control adjusting device, in equilbrium position porpoise, suppresses the vibration of motor stator.
Further, bracing or strutting arrangement comprises base and main support rod, and main support rod is removably connected to base, and bracing or strutting arrangement is removably connected on described motor stator bracket by base, and preferably, base is provided with boss, main support rod is assemblied on boss.
Further, floor installation vibrates maximum position at motor stator, and is arranged in the principal direction of motor stator vibration, and wherein, motor stator vibrates maximum position and can determine according to the Monitoring Data of vibration-detecting instrument display.
Further, quality regulator comprises principal mass regulating block and micro-quality adjustment block, the quality of principal mass regulating block is greater than the quality of micro-quality adjustment block, principal mass regulating block is laminated by polylith parenchyma gauge block, micro-quality adjustment block is laminated by the micro-mass of polylith, principal mass regulating block and main support rod are by linear bearing assembly connection, and micro-quality adjustment block is arranged on principal mass regulating block.The adjustment of shock-absorbing means frequency, installation and follow-up maintenance are convenient in the stacked setting of polylith parenchyma gauge block and micro-mass, and principal mass regulating block and main support rod are by linear bearing assembly connection.Principal mass regulating block and micro-quality adjustment block can be the various shapes such as rectangle, circle, square.
Further, guider comprises at least one first guide post, first guide post is removably connected on base, and the first guide post and described principal mass regulating block are by linear bearing assembly connection, and quality regulator can reciprocating motion on main support rod and the first guide post.Reduce the friction between principal mass regulating block and main support rod and the first guide post by described linear bearing and lubrication, reduce the damping of system.
Further, principal mass regulating block is removably connected with the second guide post, the second guide post is symmetrical arranged centered by main support rod, and to keep the gravity balance of quality regulator, micro-quality adjustment block is fixedly assemblied on the second guide post.
Further, flexible adjustment device comprises the first Compress Spring, the second Compress Spring, spring support and initial tension of spring governor motion, first, second Compress Spring is arranged on the both sides of principal mass regulating block respectively, supports principal mass regulating block in equilbrium position along main support rod and the first guide post double vibrations.Initial tension of spring governor motion regulates the pretightning force of first, second Compress Spring according to the gross mass of principal mass regulating block and micro-quality adjustment block, keep principal mass regulating block and micro-quality adjustment block along main support rod and the first guide post easy motion, reduce fatigue strength, extend the useful life of spring; Principal mass regulating block and micro-quality adjustment block stretch or compress first, second spring, and inertia force acts on motor stator mechanism, suppress the vibration of motor stator.
Further, initial tension of spring governor motion is lock nut, and spring support is gasket ring, and gasket ring is separately positioned on the two ends of the first Compress Spring, the second Compress Spring, and gasket ring is removably connected on the parenchyma gauge block of principal mass regulating block both sides.Be provided with lock pin in the pin-and-hole of main support rod end, prevent lock nut from coming off, spring pre-tightening apparatus for adjusting force cannot support quality regulator and move in equilbrium position, causes shock-absorbing means to lose efficacy.
In different embodiment of the present utility model, can according to the direction of vibration of motor stator and amplitude size motivation of adjustment shock-absorbing means the installation site on motor stator, the magnitude level suppressed is needed according to motor stator vibration, determine configuration and the shock-absorbing means installation group number of the utility model principal mass regulating block, preferably mounted in pairs; For different direction of vibration, the utility model powered shock absorption device can be installed by horizontal axis, also can vertically install, also the installation direction of shock-absorbing means can be adjusted according to the principal direction of vibration, as long as ensure the installation direction object that can realize the utility model vibration damping contrary to motor stator direction of vibration of shock-absorbing means.
Further, the utility model also provides a kind of motor stator, its stator support is installed with at least one shock-absorbing means mentioned above.
Further, the utility model also provides a kind of motor, its motor stator bracket is installed with at least one shock-absorbing means mentioned above, described shock-absorbing means changes the vibration characteristics of motor, suppress the vibration of motor, reduce the vibration of group of motors complete machine, reducing unit because vibrating the operation troubles caused, improving the overall operation reliability of unit.
Further, the utility model also provides a kind of wind-driven generator, its motor stator bracket is installed with at least one shock-absorbing means mentioned above.
Technique scheme has following Advantageous Effects:
Shock-absorbing means of the present utility model, by installing powered shock absorption device on motor stator, changes the vibration performance of motor, thus suppresses the vibration of unit complete machine.
Adopt the method for ACTIVE CONTROL traditionally, allow unit occur vibration rotating speed interval in quickly through, to a certain degree losing the energy output of unit, and unit just can trigger ACTIVE CONTROL when reaching certain Oscillation Amplitude, the utility model changes the method for traditional ACTIVE CONTROL, the principle of undamped bump leveller is adopted to reduce the vibration of motor body, namely the vibrational energy of motor is absorbed by the vibration of mass in shock-absorbing means, change the frequency of motor generation maximum vibration, the vibration performance of electric system can be changed from source.
The utility model is arranged on motor stator by shock-absorbing means, effectively reduces the vibration of motor stator, suppresses the vibration of whole motor vibration and unit, thus the fatigue failure that solution motor oscillating causes, improve the reliability of complete machine.
Accompanying drawing explanation
Accompanying drawing only for illustrating the object of specific embodiment, and is not thought restriction of the present utility model, and in whole accompanying drawing, identical reference symbol represents identical parts.
Fig. 1 is the scheme of installation of shock-absorbing means on motor stator;
Fig. 2 is the stereogram of shock-absorbing means;
Fig. 3 is the front view of shock-absorbing means.
Wherein, 1-stator support, 2-shock-absorbing means, 3-base, 4-main support rod, 5-principal mass regulating block, the micro-quality adjustment block of 6-, 7-first guide post, 8-boss, 9-first spring, 10-second spring, 11-parenchyma gauge block, the micro-mass of 12-, 13-gasket ring, 14-lock pin, 15-lock nut, 16-gasket ring, 17-linear bearing, 18-second guide post.
Embodiment
Below in conjunction with accompanying drawing and preferred implementation, the technical solution of the utility model is described in further detail.Should be appreciated that following examples only for explaining and the utility model being described, but do not form the restriction to technical solutions of the utility model.
As shown in Figure 1, the shock-absorbing means 2 of the motor stator of embodiment of the present utility model is assemblied on motor stator bracket 1.The shock-absorbing means 2 of this motor stator comprises: bracing or strutting arrangement bolted with motor stator bracket 1, realizes being fixedly connected with of shock-absorbing means 2 and stator support 1; The absorbing frequency adjusting device of self natural frequency is regulated according to the vibration frequency of motor stator; And the guider for guiding absorbing frequency adjusting device edge to vibrate in the opposite direction with engine luggine side.Absorbing frequency adjusting device comprises quality regulator and flexible adjustment device, and the natural frequency of quality regulator adjustment shock-absorbing means, to adapt with the vibration frequency of motor stator; Flexible adjustment device Mass Control adjusting device is in equilbrium position porpoise.Equilbrium position of the present utility model refers to that shock-absorbing means under static state, the position that quality regulator is residing under the first spring and the second spring force effect.
In further detail, as shown in Figure 2 and Figure 3, the bracing or strutting arrangement of the utility model embodiment comprises base 3 and main support rod 4, base 3 horizontal axis is arranged on motor stator bracket 1 and vibrates maximum position, motor stator vibrates maximum position and can determine according to the Monitoring Data of vibration-detecting instrument display, base 3 can adopt with the connection of motor stator bracket 1 and be threaded, and other modes that both can be realized to be fixed together such as welding also can be adopted to connect.Main support rod 4 removably connects on the base 3 in the mode be threaded, base 3 is provided with boss 8, boss 8 inside is provided with screwed hole (not shown), main support rod 4 is threaded on boss 8, realize dismountable connection between main support rod 4 and base 3, be convenient to the replacing of main support rod 4.Main support rod 4 top is provided with the screw thread screwed for lock nut 15 and the hole of inserting for lock pin 14, lock nut 15 is for regulating first, second spring 9, the pretightning force of 10, the arranging of lock pin 14 can prevent shock-absorbing means the coming off of quality regulator in the process run, and ensures traveling comfort.
Guider at least comprises the first guide post 7, first guide post 7 removably connects on the base 3, when the quality of quality regulator is less, first guide post 7 can be set, first guide post 7 retrains with the motion of main support rod 4 pairs of quality regulators, according to the quality condition of quality regulator, multiple first guide post 7 also can be set, be convenient to the smooth sliding realizing quality regulator, the stability of raising system, preferably, two the first guide posts 7 are set in order to guide quality regulator double vibrations on main support rod 4.
Preferably, absorbing frequency adjusting device comprises quality regulator and flexible adjustment device, is adjusted the natural frequency of shock-absorbing means, to adapt with the vibration frequency of motor stator by quality regulator and flexible adjustment device.Quality regulator comprises principal mass regulating block 5 and micro-quality adjustment block 6, principal mass regulating block 5 is made up of multiple parenchyma gauge block 11 stacked gradually, micro-quality adjustment block 6 is made up of multiple micro-mass 12 stacked gradually, the quality of principal mass regulating block 5 is greater than the quality of micro-quality adjustment block 6, the vibration frequency difference of the fixed frequency of shock-absorbing means and motor stator adjusts the number of parenchyma gauge block 11 time larger, the vibration frequency difference of the fixed frequency of shock-absorbing means and motor stator adjusts the number of micro-mass 12 time less, as the counterweight of adjustment balance, until the fixed frequency of shock-absorbing means and the vibration frequency of motor stator adapt.The profile of parenchyma gauge block 11 and micro-mass 12 can be rectangle, circle, also can be square or annular, as long as its quality can meet the requirement of vibration damping.
Principal mass regulating block 5 is provided with the first through hole passed for main support rod 4 and the second through hole passed for the first guide post 7, first through hole is arranged on the medium position of principal mass regulating block 5, second through hole is arranged on the position near principal mass regulating block 5 edge, wherein in the first through hole and the second through hole, linear bearing 17 is all installed, quality regulator can slide on main support rod 4 and the first guide post 7, because coefficient of rolling friction is relatively little, system damping is less, make the response of quality regulator to vibration comparatively sensitive, the vibration of motor stator bracket can be offset timely and effectively.
Parenchyma gauge block 11 away from base 3 side is removably fixedly connected with at least one the second guide post 18, the plurality of second guide post 18 is symmetrical arranged centered by main support rod 4, to keep the gravity balance of quality regulator, micro-quality adjustment block 6 is fixedly assemblied on the second guide post 18 by locking nut, realizes the fine setting of quality regulator gross mass.
Flexible adjustment device comprises the first Compress Spring 9, second Compress Spring 10, spring support and initial tension of spring governor motion, spring support is separately positioned on first, second Compress Spring 9, the two ends of 10, spring support is provided with equally the through hole passed for main support rod 4, preferably spring support is gasket ring 13, 16, gasket ring 13, 16 are separately positioned on the first Compress Spring 9, the two ends of the second Compress Spring 10, gasket ring 16 is removably connected on the parenchyma gauge block 11 of principal mass regulating block 5 both sides, first, second Compress Spring 9, 10 by gasket ring 13, 16 both sides being pressed on principal mass regulating block 5, gasket ring 13, 16 arrange can fix first, second Compress Spring 9, the end position of 10, reduce the friction of spring and main support rod 4 and principal mass regulating block 5, reduce system damping, extend spring useful life.First, second Compress Spring 9,10 supports principal mass regulating block 5 in equilbrium position along main support rod 4 and the first guide post 7 double vibrations.
Initial tension of spring governor motion is preferably lock nut 15, also can for other can the parts of regulating spring pretightning force, first, second Compress Spring 9, the pretightning force of 10 regulates according to the gross mass of principal mass regulating block 5 and micro-quality adjustment block 6, first, second Compress Spring 9, the end of 10 is connected with gasket ring 13, 16, locking nut 15 is by gasket ring 13, 16 compress first, second Compress Spring 9, 10, the pretightning force of adjustment Compress Spring, the adjustment of pretightning force can keep principal mass regulating block 5 and micro-quality adjustment block 6 along main support rod 4 and the first guide post 7 easy motion, reduce fatigue strength, extend the useful life of spring, principal mass regulating block 5 and micro-quality adjustment block 6 stretch or compress first, second spring 9,10, and inertia force acts on the stator mechanism of motor, thus suppress the vibration of motor stator.
The natural frequency of this powered shock absorption device can adjust according to the vibration frequency of motor stator, and its main control method is for changing first, second Compress Spring 9,10 and principal mass regulating block 5, and fine-tuning mode is for regulating micro-quality adjustment block 6.Such as when motor stator vibration is for about 9Hz, the frequency of powered shock absorption device is 9Hz, and principal mass regulating block and micro-quality adjustment block can produce the vibration with stator antiphase.Namely motor vibrates along downwind, and shock-absorbing means vibrates along upwind.
In different embodiment of the present utility model, can according to the installation site of direction of vibration motivation of adjustment shock-absorbing means on motor stator of motor stator, the magnitude level suppressed is needed according to motor stator vibration, determine configuration and the shock-absorbing means installation group number of the utility model principal mass regulating block, preferably mounted in pairs; For different direction of vibration, the utility model powered shock absorption device can be installed by horizontal axis, also can vertically install, also the installation direction of shock-absorbing means can be adjusted according to the principal direction of vibration, as long as ensure the installation direction of this shock-absorbing means object that can realize the utility model vibration damping contrary to motor stator direction of vibration.
In another embodiment, the utility model provides a kind of motor stator, its stator support is installed with at least one above-mentioned shock-absorbing means.
In another embodiment, the utility model provides a kind of motor, this motor comprises generator and motor, wherein generator can be wind-driven generator, its motor stator bracket is installed with at least one above-mentioned shock-absorbing means, and this shock-absorbing means changes the vibration characteristics of generator, suppress the vibration of engine, reduce the vibration of unit complete machine, reducing unit because vibrating the operation troubles caused, improving the overall operation reliability of generating set.
The installation process of the shock-absorbing means of the motor stator of the utility model embodiment is as follows:
The position that the data determination motor stator vibration using vibration-detecting instrument to monitor is larger, the intensity of vibration and principal direction, using the installation site of the larger position of motor stator vibration as the shock-absorbing means of the utility model embodiment, the direction that opposite direction motor stator being vibrated principal direction is installed as the shock-absorbing means of the utility model embodiment; Determine that motor oscillating needs the magnitude level suppressed as calculated according to the oscillation intensity of motor stator, determine the gross mass of principal mass regulating block 5 and micro-quality adjustment block 6 and need the group number of the shock-absorbing means 2 installed.
Base 3 is fixedly connected on motor stator bracket 1 along the principal direction bolt that motor stator vibrates; Main support rod 4 is screwed on the boss 8 of base, on the base 3 by the first guide post 7 screwed tight simultaneously; On main support rod 4, order installs gasket ring 13, first Compress Spring 9, gasket ring 16, principal mass regulating block 5, gasket ring 16, second Compress Spring 10, gasket ring 13, lock nut 15, wherein gasket ring 16 is screwed respectively on the parenchyma gauge block 11 of principal mass regulating block 5 both sides, finally inserts in the end pin-and-hole of main support rod 4 by lock pin 14; Principal mass regulating block 5 is arranged on two the first guide posts 7 simultaneously; Principal mass regulating block 5 and main support rod 4 and the first guide post 7 are assembled by linear bearing 17; Micro-quality adjustment block 6 is assemblied on the second guide post 18, by nut on parenchyma gauge block 11.The installation of other group shock-absorbing means required is completed according to identical method.Principal mass regulating block 5 and micro-quality adjustment block 6 are divided into multi-blocked structure stacked together, are convenient to frequency adjustment, install and safeguard; Motor stator vibration frequency and powered shock absorption device regulating frequency adapt to, principal mass regulating block 5 and micro-quality adjustment block 6 along main support rod 4 and the first guide post 7 in equilbrium position porpoise, spring is stretched or compressed, the inertia force of mass vibration acts on stator structure, suppresses the vibration of motor stator.After installing, impeller unblock is carried out to unit and opens machine.
The shock-absorbing means of the utility model embodiment adopts the principle of undamped bump leveller to reduce the vibration of motor body, namely the vibrational energy of motor is absorbed by the vibration of mass in shock-absorbing means, change the frequency of motor generation maximum vibration, the vibration performance of electric system can be changed from source.By installing powered shock absorption device on motor stator, change the vibration performance of motor, thus suppress the vibration of group of motors complete machine.
Wind-driven generator is generally revolving structure, and by Flange joint between back shaft, its opposing axial deformation ability is more weak.The utility model embodiment is arranged on generator unit stator by powered shock absorption device, the axial vibration of effective reduction generator unit stator, suppress the vibration of whole generator vibration and unit, thus the fatigue failure that solution motor oscillating causes, improve the reliability of complete machine.
From Simulation Analysis, motor stator bracket is installed the powered shock absorption device of 6 groups of 60kg, its effectiveness in vibration suppression can reach 72%.
The above; be only the utility model preferably embodiment; but as previously mentioned; form disclosed by the utility model is not limited to herein; should not regard the eliminating to other embodiments as; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses, the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.
Claims (14)
1. a shock-absorbing means for motor stator, is characterized in that, it comprises:
One bracing or strutting arrangement, it is fixedly connected with motor stator bracket;
One absorbing frequency adjusting device, is arranged on described bracing or strutting arrangement, for regulating the natural frequency of shock-absorbing means according to the vibration frequency of motor stator;
One guider, vibrates along the direction contrary with the direction of vibration of described motor stator for guiding described absorbing frequency adjusting device;
Wherein, described absorbing frequency adjusting device comprises quality regulator and flexible adjustment device, and the natural frequency of described quality regulator adjustment shock-absorbing means, to adapt with the vibration frequency of motor stator; Described flexible adjustment device controls described quality regulator in equilbrium position porpoise.
2. shock-absorbing means according to claim 1, it is characterized in that: described bracing or strutting arrangement comprises base (3) and main support rod (4), described main support rod (4) is removably connected on described base (3), and described bracing or strutting arrangement is removably connected on described motor stator bracket (1) by described base (3).
3. shock-absorbing means according to claim 2, is characterized in that: described base (3) is arranged on motor stator and vibrates maximum position, and is arranged in the principal direction of motor stator vibration.
4. shock-absorbing means according to claim 1, it is characterized in that: described quality regulator comprises principal mass regulating block (5) and micro-quality adjustment block (6), the quality of described principal mass regulating block (5) is greater than the quality of micro-quality adjustment block (6), described principal mass regulating block (5) is laminated by polylith parenchyma gauge block (11), described micro-quality adjustment block (6) is laminated by the micro-mass of polylith (12), described principal mass regulating block (5) and described main support rod (4) are by linear bearing (17) assembly connection, described micro-quality adjustment block (6) is arranged on described principal mass regulating block (5).
5. shock-absorbing means according to claim 4, it is characterized in that: described guider comprises at least one first guide post (7), described first guide post (7) is removably connected on described base (3), and described first guide post (7) and described principal mass regulating block (5) are by linear bearing (17) assembly connection.
6. shock-absorbing means according to claim 4, it is characterized in that: described principal mass regulating block (5) is removably connected with the second guide post (18), described second guide post (18) is symmetrical arranged centered by described main support rod (4), and described micro-quality adjustment block (6) is assemblied on described second guide post (18).
7. shock-absorbing means according to claim 5, it is characterized in that: described flexible adjustment device comprises the first Compress Spring (9), the second Compress Spring (10), spring support and initial tension of spring governor motion, first, second Compress Spring (9 described, 10) be arranged on the both sides of described principal mass regulating block (5) respectively, support described principal mass regulating block (5) in equilbrium position along described main support rod (4) and described first guide post (7) double vibrations.
8. shock-absorbing means according to claim 7, it is characterized in that: described initial tension of spring governor motion regulates the pretightning force of described first, second Compress Spring (9,10) according to the gross mass of described principal mass regulating block (5) and described micro-quality adjustment block (6).
9. shock-absorbing means according to claim 8, is characterized in that: described initial tension of spring governor motion is lock nut (15).
10. shock-absorbing means according to claim 9, it is characterized in that: described spring support is gasket ring (13,16), described gasket ring (13,16) be separately positioned on the two ends of described first Compress Spring (9), described second Compress Spring (10), described gasket ring (16) is removably connected on the described parenchyma gauge block (11) of described principal mass regulating block (5) both sides.
11. shock-absorbing means according to claim 10, is characterized in that: be provided with lock pin (14) in the pin-and-hole of described main support rod (4) end.
12. 1 kinds of motor stators, is characterized in that, its stator support are equipped with the shock-absorbing means according to any one of claim 1-11.
13. 1 kinds of motors, is characterized in that, its stator support are equipped with the shock-absorbing means according to any one of claim 1-11.
14. 1 kinds of wind-driven generators, is characterized in that, its stator support are equipped with the shock-absorbing means according to any one of claim 1-11.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066759.6U CN205212568U (en) | 2015-12-18 | 2015-12-18 | Motor stator's shock absorbing means , motor stator and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066759.6U CN205212568U (en) | 2015-12-18 | 2015-12-18 | Motor stator's shock absorbing means , motor stator and motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471124A (en) * | 2015-12-18 | 2016-04-06 | 北京金风科创风电设备有限公司 | Vibration-absorbing apparatus for motor stator, motor stator and motor |
| CN108775365A (en) * | 2018-06-25 | 2018-11-09 | 宿松县春润食品有限公司 | A kind of damping device for pig slaughtering equipment |
| CN109488723A (en) * | 2018-12-29 | 2019-03-19 | 东莞中子科学中心 | A kind of particle accelerator tuning mass bumper |
| CN111561535A (en) * | 2020-04-26 | 2020-08-21 | 东风汽车集团有限公司 | Power vibration absorber with stepless adjustable frequency |
-
2015
- 2015-12-18 CN CN201521066759.6U patent/CN205212568U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471124A (en) * | 2015-12-18 | 2016-04-06 | 北京金风科创风电设备有限公司 | Vibration-absorbing apparatus for motor stator, motor stator and motor |
| CN108775365A (en) * | 2018-06-25 | 2018-11-09 | 宿松县春润食品有限公司 | A kind of damping device for pig slaughtering equipment |
| CN109488723A (en) * | 2018-12-29 | 2019-03-19 | 东莞中子科学中心 | A kind of particle accelerator tuning mass bumper |
| CN111561535A (en) * | 2020-04-26 | 2020-08-21 | 东风汽车集团有限公司 | Power vibration absorber with stepless adjustable frequency |
| CN111561535B (en) * | 2020-04-26 | 2021-11-12 | 东风汽车集团有限公司 | Power vibration absorber with stepless adjustable frequency |
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