CN106917839A - The mechanical damper of nuclear power - Google Patents
The mechanical damper of nuclear power Download PDFInfo
- Publication number
- CN106917839A CN106917839A CN201710253776.8A CN201710253776A CN106917839A CN 106917839 A CN106917839 A CN 106917839A CN 201710253776 A CN201710253776 A CN 201710253776A CN 106917839 A CN106917839 A CN 106917839A
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- China
- Prior art keywords
- gear
- stroke
- damping
- tooth bar
- speed increasing
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention relates to a kind of mechanical damper of nuclear power, mainly include the casing of interior handicapping damping system, casing one end is connected device, the other end connects stroke housing, the stroke tooth bar that can control damper stroke is provided with casing is damped, and the synchromesh gear being engaged with, stroke tooth bar one end can under loads go deep into fixing device inner chamber, the other end is connected with stroke housing II, a speed increasing gear I coaxially arranged with synchromesh gear, speedup effect is reached by with engaging for speed increasing gear, in the box cavity on the right side of stroke tooth bar and synchromesh gear, and speed increasing gear I and the left side of speed increasing gear II, setting realizes that external applied load slows down the damping executing agency I and damping executing agency II of effect.The mechanical damper structure is compact, and reasonable stress, smooth performance, shock-absorbing effect is good, can form soft rigid support to the amplitude oscillation of moment, is effectively improved the safety and reliability of nuclear power generating equipment.
Description
Technical field
The present invention relates to a kind of damper, more particularly to a kind of mechanical damper of nuclear power.
Background technology
Damping is the characteristic for referring to various frictions and other inhibitions for making free vibration decay, and is arranged on knot
Can be absorbed on construction system, slowing down vibration with impact energy special component referred to as damper.Damper can make as component
Used in different places or different operating environment, or for vibration damping, or for shockproof；Movement is allowed during stand under load low speed, in stand under load speed
Locking or approximate locking, form rigid support when degree or acceleration exceed allowable value, are used to protect building, engineering structure, machine
The critical facilitys such as tool structure, it is to avoid the impact failure caused by earthquake, blast, natural wind etc..The common class of current damper
Type has：Spring-damper, hydraulic damper, pulse damper, rotary damper, wind damper, viscous damper etc..
Damper is one of important safety guard of nuclear power plant's plant equipment, disaster investigation statistical result showed, pipe
Destruction of the road in earthquake causes because of suspension and support failure mostly.Damper is for protecting pipeline of nuclear power plant and equipment being subjected to
Destruction is exempted from during mutation load (such as earthquake and alternate load or sustained load), the slow motion caused to its normal thermal expansion
Not producing effect of contraction, damper can be approximately considered rigidity, can provide pipeline and equipment non-yielding prop and limit its displacement,
It is set not to be damaged.
Structure and technological improvement about damper, related scholar have been carried out substantial amounts of research.For example, Shen Qing Publication
Number a kind of damper for building is disclosed for the patent of invention of CN104775535A, it uses axially symmetric setting on the piston body
Two passages, the passage is made up of taper valve core and valve core spring.The invention installing space is small, and low-speed motion resistance is small, power consumption
Efficiency high, good airproof performance；Application publication number discloses a kind of mechanical adjustable damping for the patent of invention of the A of CN 105864347
Shock absorber, the shock absorber is applicable to the various vehicles that absorber damping force changing with vehicle travel conditions and being adjusted
On suspension or seat, by the change of mechanical structure, realize that absorber damping force is adjustable, can be according to the need of vehicle travel conditions
Absorber damping force is accordingly adjusted, be improved vehicle riding comfort.
In sum, although the structure type of damper is various, and advantage is a lot of, but most damper structure is more multiple
It is miscellaneous and mostly civilian, and nuclear power is rarely reported with damper.Additionally, when most damper receives prominent varying load effect,
Form rigid support and structure is in zero-bit shifting state, supporting member is easily subject to overload impact to produce destruction.
The content of the invention
Goal of the invention
In order to solve the above problems, the present invention provides a kind of mechanical damper of nuclear power, its compact conformation, reasonable stress, property
Can be steady, shock-absorbing effect is good, can form soft rigid support to the amplitude oscillation of moment.
To achieve these goals, the present invention is adopted the following technical scheme that：
The mechanical damper of nuclear power, is made up of fixing device, casing and the part of stroke housing three, and casing one end is connected dress
Put, casing other end connection stroke housing；The casing includes block and case lid, distinguishes in block inner bottom part and case lid inner top
Two corresponding rotary axis grooves are provided with, rotating shaft I and rotating shaft II are fixed with rotary axis groove；Mechanical damping system, machine are provided with casing
Tool damping system include the synchromesh gear that is engaged with stroke tooth bar of the stroke tooth bar speed increasing gear I coaxial with synchromesh gear and
The speed increasing gear II of the engagement of speed increasing gear I, it is arranged in casing stroke tooth bar and synchromesh gear right side and speed increasing gear I and increases
The damping executing agency I and damping executing agency II in the left side of fast gear II.
The fixing device includes hold-down support, fixes sleeve and locking sleeve, and block upper end is connected in fixes sleeve
Mouthful, block upper port is connected to outside locking sleeve, inside is connected to fixes sleeve in the hold-down support with cavity, right after assembling
Fixing device integrally uses locking treatment.
Described stroke housing is made up of lead set, stroke housing I and stroke housing II；The lead set is copper, and
It is installed in stroke housing I using interference fit, lead set is pinned on block lower end jointly with stroke housing I；The stroke
Housing II is circumferential to be set in outside stroke housing I, and its end connection caudal articular process bearing.
The non-tooth bar side of stroke tooth bar is threadedly coupled the tooth bar helical pitch block directly contact being fixed on block, stroke with use
Tooth bar tooth bar side is meshed with the synchromesh gear in rotating shaft I, and stroke tooth bar axial direction one end can be made in load
With in the lower cavity for going deep into fixing device, the other end is connected with stroke housing II.
The damping executing agency I includes the execution gear I being installed in rotating shaft II and the damping wheel being installed in rotating shaft I
I, perform gear I and coordinate with damping wheel I；The damping executing agency II includes the execution gear II being installed in rotating shaft II and peace
Loaded on the damping wheel II in rotating shaft I, perform gear II and coordinate with damping wheel II；Described damping executing agency I performs with damping
Mechanism II is arranged symmetrically.
In described mechanical damping system, the synchromesh gear uses little gear, and the speed increasing gear I uses multiple tooth canine tooth
Wheel, the speed increasing gear II uses little gear.
The execution gear I uses complete gear, damping wheel with matching I to use obstruction to perform gear I and moved
Double card toothing；The execution gear II uses complete gear, damping wheel with matching II to use obstruction to perform tooth
The double card toothing of the motion of wheel II.
The rotating shaft I is positioned by the rotary axis groove I on block with the rotary axis groove II on case lid, and described rotating shaft II is by block
Rotary axis groove III positioned with the rotary axis groove IV on case lid.
Damping wheel II, speed increasing gear I, synchromesh gear and damping wheel are sequentially installed with rotating shaft I from block to case lid direction
Ⅰ；Execution gear II, speed increasing gear II and execution gear I are sequentially installed with rotating shaft II from block to case lid direction.
The nuclear power is as follows with the operation principle of mechanical damper：
When damper housing is under pressure, stroke tooth bar, to being moved in fixing device cavity, drives therewith under load effect
The synchromesh gear of engagement is rotated, meanwhile, the speed increasing gear I coaxial with synchromesh gear, damping wheel I and damping wheel II are rotated, speedup
Gear I is engaged with speed increasing gear II, and speedup effect is realized by the gear ratio of two gears, makes the execution coaxial with speed increasing gear II
Gear I and perform gear II and accelerate to rotate, performing gear I and performing the gear teeth and damping wheel I and damping wheel II of gear II
Under the reverse strike of double card tooth, the limitation to stroke tooth bar translational speed is realized, so as to play damping action.
When damper housing under tension, its operation principle is identical with above-mentioned situation, each part in mechanical damping system
Mobile or rotation direction is opposite.
Advantageous effect
Advantages of the present invention is as follows：
The mechanical damper of nuclear power of the present invention, its overall structure is made up of fixing device, casing and the part of stroke housing three.Case
Mechanical damping system is provided with vivo, the stroke tooth bar in mechanical damping system is engaged under load effect with synchromesh gear, is passed through
Speed increasing gear I and the accelerating function of speed increasing gear II, drive the damping executing agency I and resistance for being arranged in casing inner top and bottom
Buddhist nun executing agency II, so as to realize slowing down the effect of external applied load.
Damper structure is mechanical, and its compact conformation, reasonable stress, smooth performance, shock-absorbing effect is good, can be effectively
Protection Nuclear piping and equipment.Movement is allowed during stand under load low speed, flexible support is formed；In stand under load speed or excessive acceleration not
Locking, it is mobile slow, form soft rigid support；Rigid support is formed when only reaching stroke limit value.
Brief description of the drawings：
Fig. 1 is structural representation of the invention.
Fig. 2 is Fig. 1 left views.
Fig. 3 is block structural representation.
Fig. 4 is cover structure schematic diagram.
Description of reference numerals：
1. figure includes fixing device, 1-1. hold-down supports, 1-2. fixes sleeves, 2. 1-3. locking sleeves, casing, 2-
1. block, 3. 2-2. case lids, stroke tooth bar, 4. synchromesh gear, 5. speed increasing gear I, 6. speed increasing gear II, 7. damping
Executing agency I, 7-1. performs gear I, 8. 7-2. damping wheels I, damping executing agency II, 8-1. execution gear II, 8-2.
Damping wheel II, 9. stroke housing, 9-1. lead sets, 9-2. strokes housing I, 10. 9-3. strokes housing II, caudal articular process
Bearing, 11. tooth bar helical pitch blocks, 12. rotating shafts I, 13. rotating shafts II, 14. rotary axis grooves I, 15. rotary axis grooves II, 16. rotary axis grooves
IIIth, 17. rotary axis groove IV.
Specific embodiment：
The present invention will be further described below in conjunction with the accompanying drawings：
The present invention relates to a kind of mechanical damper of nuclear power, as depicted in figs. 1 and 2, by fixing device 1, casing 2 and stroke shell
The part of body 9 three constitutes, and be connected device 1 above casing 2, and the lower section of casing 2 connects stroke housing 9.As shown in Figure 3 and Figure 4, institute
Casing 2 is stated including block 2-1 and case lid 2-2, block 2-1 inner bottom parts and case lid 2-2 inner tops be respectively equipped with two it is corresponding
Rotary axis groove, rotating shaft I 12 and rotating shaft II 13 are fixed with rotary axis groove；The inside of casing 2 is cube cavity, and is provided with mechanical damping system
System, mechanical damping system includes the synchromesh gear 4 that engage with stroke tooth bar 3 of stroke tooth bar 3 of control damper stroke and together
Speed increasing gear II 6 that the step coaxial speed increasing gear I 5 of gear 4 is engaged with speed increasing gear I 5, it is arranged on stroke tooth in box cavity
Being used to of bar 3 and the right side of synchromesh gear 4 and speed increasing gear I 5 and the left side of speed increasing gear II 6 realizes the resistance that external applied load slows down effect
Buddhist nun executing agency I 7 and damping executing agency II 8.When tension under stroke tooth bar 3 is acted in load or compression, held in damping
Its displacement is limited in the presence of row mechanism.
Stroke tooth bar 3 is engaged under load effect with synchromesh gear 4, by the increasing of speed increasing gear I 5 and speed increasing gear II 6
Speed effect, drive is arranged in damping executing agency I 7 and damping executing agency II 8 in casing 2, so as to realize slowing down external applied load
Effect.
Described block 2-1 one end is connected with fixing device 1, and the other end is connected with the 9-2 of stroke housing I.
The fixing device 1 includes hold-down support 1-1, fixes sleeve 1-2 and locking sleeve 1-3, connects in fixes sleeve 1-2
Block 2-1 upper ports are connected to, block 2-1 upper ports, hold-down support 1-1 of the inside with cavity are connected to outside locking sleeve 1-3
Fixes sleeve 1-2 is inside connected to, it is overall to fixing device 1 after assembling to use locking treatment.
The stroke housing 9 is made up of lead set 9-1, the 9-2 of stroke housing I and the 9-3 of stroke housing II；The lead set 9-
1 is copper, and is installed in the 9-2 of stroke housing I using interference fit, and lead set 9 is pinned at case jointly with the 9-2 of stroke housing I
On seat 2-1 lower ends；The 9-3 of stroke housing II is circumferentially set in outside the 9-2 of stroke housing I, and its end connection caudal articular process
Bearing 10.
In described mechanical damping system, stroke tooth bar control damper stroke, the non-tooth bar side of stroke tooth bar 3 with adopt
Be fixed on the directly contact of tooth bar helical pitch block 11 on block 2-1 with threaded connection, the tooth bar side of stroke tooth bar 3 be arranged on rotating shaft
Synchromesh gear 4 on I 12 is meshed, to realize two-way positioning.The axial one end of stroke tooth bar 3 can be deeply solid under load effect
Determine in the cavity of device 1, the other end is connected with the 9-3 of stroke housing II.
The damping executing agency I 7 includes the 7-1 of execution gear I being installed in rotating shaft II 13 and is installed in rotating shaft I 12
The 7-2 of damping wheel I, perform the 7-1 of gear I and the 7-2 of damping wheel I and coordinate；The damping executing agency II 8 includes being installed on rotating shaft II
The execution 8-1 of the gear II and 8-2 of damping wheel II being installed in rotating shaft I 12 on 13, performs the 8-1 of the gear II and 8-2 of damping wheel II
Coordinate；And in order that uniform load suffered by damping system, damps executing agency I 7 and is arranged symmetrically with damping executing agency II 8.
Execution gear I 7-1 uses complete gear, the 7-2 of damping wheel with matching I to use obstruction to perform gear
The double card toothing of I 7-1 motions；Execution gear II 8-1 uses complete gear, the 8-2 of damping wheel with matching II to adopt
Hinder to perform the double card toothing that the 8-1 of gear II is moved with rising；Obstruction can be so played to perform gear I and perform the fortune of gear II
Dynamic effect.When external applied load will be moved to be passed to the execution 7-1 of gear I and perform II 8-1 of gear through stroke tooth bar 3, its motion
The continuous obstruction of I 7-2 of wheel and the 8-2 double card teeth of damping wheel II is damped, and then limits the movement of stroke tooth bar 3.
As shown in Figure 3 and Figure 4, the rotating shaft I 12 is by the rotary axis groove II on the rotary axis groove I 14 on block 2-1 and case lid 2-2
15 positioning, described rotating shaft II 13 is positioned by the rotary axis groove IV 17 on the rotary axis groove III 16 on block 2-1 and case lid 2-2.
The 8-2 of damping wheel II, speed increasing gear I 5, the and of synchromesh gear 4 are sequentially installed with rotating shaft I 12 from block to case lid direction
The 7-2 of damping wheel I；It is sequentially installed with from block to case lid direction in rotating shaft II 13 and performs the 8-1 of gear II, speed increasing gear II 6 and hold
The 7-1 of row gear I.
Stroke tooth bar 3 is engaged with synchromesh gear 4；In rotating shaft I 12, speed increasing gear I is installed positioned at the lower section of synchromesh gear 4
5, speed increasing gear I 5 is meshed with the speed increasing gear II 6 in rotating shaft II 13, performs the 7-1 of the gear I and 7-2 of damping wheel I and matches somebody with somebody
Close；The 8-1 of the gear II and 8-2 of damping wheel II is performed to coordinate.
As shown in figure 1, in casing 2, the synchromesh gear 4 uses little gear, and the speed increasing gear I 5 is using multiple tooth big
Gear, the speed increasing gear II 6 uses little gear；Two-wheeled is realized by the number of teeth gap of speed increasing gear I 5 and speed increasing gear II 6
The regulation of rotating speed, and then by the displacement of stroke tooth bar 3 amplification in performing the 7-1 of gear I and performing the 8-1 of gear II, increase damping
Take turns the obstruction number of times of I 7-2 and the 8-2 of damping wheel II.
The nuclear power is as follows with the operation principle of mechanical damper：
When damper receives external applied load（Pulling force and pressure）During effect, stroke tooth bar is moved under load effect in fixing device cavity
Dynamic, the synchromesh gear that drive is engaged with is rotated.Meanwhile, the speed increasing gear I coaxial with synchromesh gear, damping wheel I and damping wheel
II is rotated, and speed increasing gear I is engaged with speed increasing gear II.Speedup effect is realized by the gear ratio of two gears, is made and speed increasing gear
II coaxial execution gear I and execution gear II accelerate to rotate, and are performing gear I and are performing the gear teeth and damping wheel I of gear II
Under reverse strike with the double card tooth of damping wheel II, the limitation to stroke tooth bar translational speed is realized, so as to play damping action.
When damper is hit load effect, damping system not locking, and it is mobile slow, soft rigidity branch can be formed
Support；Rigid support is formed when reaching stroke limit value.When pipeline and equipment are impacted, its position can be effectively limited
Move, simultaneous buffering absorbing, reduce amplitude, it is adaptable to the safety support of nuclear power station.
Claims (9)
1. the mechanical damper of nuclear power, by fixing device（1）, casing（2）With stroke housing（9）Three parts constitute, casing（2）
One end is connected device（1）, casing（2）The other end connects stroke housing（9）；The casing（2）Including block（2-1）And case
Lid（2-2）, in block（2-1）Inner bottom part and case lid（2-2）Inner top is respectively equipped with two corresponding rotary axis grooves, in rotary axis groove
It is fixed with rotating shaft I（12）With rotating shaft II（13）；Casing（2）Mechanical damping system is inside provided with, mechanical damping system includes stroke tooth
Bar（3）With stroke tooth bar（3）The synchromesh gear of engagement（4）With synchromesh gear（4）Coaxial speed increasing gear I（5）With speedup tooth
Wheel I（5）The speed increasing gear II of engagement（6）, be arranged on casing（2）Interior stroke tooth bar（3）And synchromesh gear（4）Right side and speedup
Gear I（5）With speed increasing gear II（6）The damping executing agency I in left side（7）With damping executing agency II（8）.
2. the mechanical damper of nuclear power according to claim 1, it is characterised in that：The fixing device（1）Including solid
Determine bearing（1-1）, fixes sleeve（1-2）And locking sleeve（1-3）, fixes sleeve（1-2）Inside it is connected to block（2-1）Upper end
Mouthful, locking sleeve（1-3）It is connected to block outward（2-1）Upper port, hold-down support of the inside with cavity（1-1）Inside it is connected to solid
Determine sleeve（1-2）, to fixing device after assembling（1）It is overall to use locking treatment.
3. the mechanical damper of nuclear power according to claim 1, it is characterised in that：Described stroke housing（9）By leading
Journey set（9-1）, stroke housing I（9-2）With stroke housing II（9-3）Composition；The lead set（9-1）It is copper, and used
Cooperation of being full of is installed on stroke housing I（9-2）It is interior, lead set（9）With stroke housing I（9-2）Block is pinned at jointly（2-1）Lower end
On；The stroke housing II（9-3）Circumferentially it is set in stroke housing I（9-2）Outside, and its end connection caudal articular process bearing
（10）.
4. the mechanical damper of nuclear power according to claim 1, it is characterised in that：Stroke tooth bar（3）Non- tooth bar side
Block is fixed on using threaded connection（2-1）On tooth bar helical pitch block（11）Directly contact, stroke tooth bar（3）Tooth bar side with
Installed in rotating shaft I（12）On synchromesh gear（4）It is meshed, the stroke tooth bar（3）Axial one end can be under load effect
Go deep into fixing device（1）Cavity in, the other end and stroke housing II（9-3）It is connected.
5. the mechanical damper of nuclear power according to claim 1, it is characterised in that：The damping executing agency I（7）Bag
Include and be installed on rotating shaft II（13）On execution gear I（7-1）Be installed on rotating shaft I（12）On damping wheel I（7-2）, perform tooth
Wheel I（7-1）With damping wheel I（7-2）Coordinate；The damping executing agency II（8）Including being installed on rotating shaft II（13）On execution
Gear II（8-1）Be installed on rotating shaft I（12）On damping wheel II（8-2）, perform gear II（8-1）With damping wheel II（8-2）
Coordinate；Described damping executing agency I（7）With damping executing agency II（8）It is arranged symmetrically.
6. the mechanical damper of nuclear power according to claim 1, it is characterised in that：In described mechanical damping system,
The synchromesh gear（4）Using little gear, the speed increasing gear I（5）Using multiple tooth gear wheel, the speed increasing gear II（6）Adopt
Use little gear.
7. the mechanical damper of nuclear power according to claim 5, it is characterised in that：The execution gear I（7-1）Using
Complete gear, damping wheel with matching I（7-2）Hinder to perform gear I using rising（7-1）The double card toothing of motion；Institute
State execution gear II（8-1）Using complete gear, damping wheel with matching II（8-2）Hinder to perform gear II using rising
（8-1）The double card toothing of motion.
8. the mechanical damper of nuclear power according to claim 5, it is characterised in that：The rotating shaft I（12）By block（2-
1）On rotary axis groove I（14）With case lid（2-2）On rotary axis groove II（15）Positioning, described rotating shaft II（13）By block（2-1）
On rotary axis groove III（16）With case lid（2-2）On rotary axis groove IV（17）Positioning.
9. the mechanical damper of nuclear power according to claim 1, it is characterised in that：Rotating shaft I（12）On from block to case
Lid direction is sequentially installed with damping wheel II（8-2）, speed increasing gear I（5）, synchromesh gear（4）With damping wheel I（7-2）；Rotating shaft II
（13）On be sequentially installed with from block to case lid direction execution gear II（8-1）, speed increasing gear II（6）With execution gear I（7-
1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253776.8A CN106917839B (en) | 2017-04-18 | 2017-04-18 | Mechanical damper for nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253776.8A CN106917839B (en) | 2017-04-18 | 2017-04-18 | Mechanical damper for nuclear power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106917839A true CN106917839A (en) | 2017-07-04 |
| CN106917839B CN106917839B (en) | 2022-09-09 |
Family
ID=59568773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710253776.8A Active CN106917839B (en) | 2017-04-18 | 2017-04-18 | Mechanical damper for nuclear power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106917839B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699906A (en) * | 2018-07-09 | 2020-01-17 | 青岛海尔洗衣机有限公司 | Damping device and top-opening type clothes treatment equipment |
| CN111520435A (en) * | 2020-04-30 | 2020-08-11 | 庆安集团有限公司 | Mechanical damper |
| WO2020257961A1 (en) * | 2019-06-24 | 2020-12-30 | 佛山市爱迪尔卫浴有限公司 | Bidirectional damper and shower door assembly |
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| CN102102735A (en) * | 2011-03-15 | 2011-06-22 | 重庆工商大学 | Vibration damping device of gear transmission flywheel |
| TW201337125A (en) * | 2012-03-09 | 2013-09-16 | Univ Nat Taiwan | Vibration damper and a method for operating a vibration-damping system having the same |
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| CN206682207U (en) * | 2017-04-18 | 2017-11-28 | 沈阳工程学院 | The mechanical damper of nuclear power |
| CN216200093U (en) * | 2021-07-01 | 2022-04-05 | 青岛海尔洗衣机有限公司 | Vibration damper and washing equipment |
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|---|---|---|---|---|
| US20040189035A1 (en) * | 2002-11-25 | 2004-09-30 | Nifco Inc. | Damper unit and glove box device using the same |
| TWM334228U (en) * | 2007-12-19 | 2008-06-11 | Pingood Entpr Co Ltd | Damper |
| CN102102735A (en) * | 2011-03-15 | 2011-06-22 | 重庆工商大学 | Vibration damping device of gear transmission flywheel |
| TW201337125A (en) * | 2012-03-09 | 2013-09-16 | Univ Nat Taiwan | Vibration damper and a method for operating a vibration-damping system having the same |
| CN105333054A (en) * | 2015-08-14 | 2016-02-17 | 重庆圣普锣建材有限公司 | Gear and rack shock absorber |
| CN206682207U (en) * | 2017-04-18 | 2017-11-28 | 沈阳工程学院 | The mechanical damper of nuclear power |
| CN216200093U (en) * | 2021-07-01 | 2022-04-05 | 青岛海尔洗衣机有限公司 | Vibration damper and washing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699906A (en) * | 2018-07-09 | 2020-01-17 | 青岛海尔洗衣机有限公司 | Damping device and top-opening type clothes treatment equipment |
| WO2020257961A1 (en) * | 2019-06-24 | 2020-12-30 | 佛山市爱迪尔卫浴有限公司 | Bidirectional damper and shower door assembly |
| US11162289B2 (en) | 2019-06-24 | 2021-11-02 | Foshan Ideal Co., Ltd. | Bidirectional damper and shower door assembly |
| CN111520435A (en) * | 2020-04-30 | 2020-08-11 | 庆安集团有限公司 | Mechanical damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106917839B (en) | 2022-09-09 |
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