CN107437464A - A kind of power equipment vibration isolation erecting device - Google Patents
A kind of power equipment vibration isolation erecting device Download PDFInfo
- Publication number
- CN107437464A CN107437464A CN201710708060.2A CN201710708060A CN107437464A CN 107437464 A CN107437464 A CN 107437464A CN 201710708060 A CN201710708060 A CN 201710708060A CN 107437464 A CN107437464 A CN 107437464A
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- CN
- China
- Prior art keywords
- power equipment
- lifter plate
- vibration isolation
- erecting device
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002955 isolation Methods 0.000 title claims abstract description 18
- 238000013016 damping Methods 0.000 claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of power equipment vibration isolation erecting device, including mounting seat, support post, lower lifter plate, upper lifter plate, rotation cam and stop sleeve, some No.1 damping springs are provided between lower lifter plate and upper lifter plate, the middle part upper surface of upper lifter plate is provided with power equipment, the both ends upper surface of mounting seat is symmetrically installed with stop sleeve, the inside of stop sleeve is slided respectively is provided with No.1 sliding block and No. two sliding blocks, is connected between No.1 sliding block and No. two sliding blocks by No. two damping springs.The present invention is simple in construction, reasonable in design, can play good buffering effect to caused vibrations on power equipment, be advantageous to the normal use of power equipment, be adapted to promote the use of.
Description
Technical field
The present invention relates to electrical equipment technical field, specifically a kind of power equipment vibration isolation erecting device.
Background technology
Power equipment mainly includes with generating equipment and the major class of power supply unit two, and generating equipment is mainly station boiler, steamed
Steam turbine, gas turbine, the hydraulic turbine, generator, transformer etc., power supply unit are mainly the power transmission line of various voltage class
Road, transformer, contactor etc..
When power equipment is operated, substantial amounts of high-tension electricity electric capacity is used particularly in super high voltage direct current electricity transmission system
Device, in super high voltage direct current electricity transmission system, there is substantial amounts of harmonic wave, when harmonic current flows through power capacitor, electric power electricity
Holding internal electrode is influenceed with insulating materials and is shaken by the field of electric force that distorted caused by harmonic wave, causes power capacitor overall
Shake simultaneously, with the generation and increase of vibrations, the sound that power capacitor is sent is also bigger, produces noise pollution, so needing
Installation that will be to power transformation power capacitor carries out damping processing, so can greatly reduce the overall vibrations of power capacitor,
The generation of noise is reduced, therefore, a kind of it is proposed that power equipment vibration isolation erecting device.
The content of the invention
It is an object of the invention to provide a kind of power equipment vibration isolation erecting device, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：
A kind of power equipment vibration isolation erecting device, including mounting seat, support post, lower lifter plate, upper lifter plate, rotation
Cam and stop sleeve, the both ends upper surface of the mounting seat are symmetrically fixedly welded with the support set in vertical direction and stood
Post, chute is offered on the madial wall of support post；The lower lifter plate and upper lifter plate are slidably arranged in chute respectively；Institute
State and some No.1 damping springs are provided between lower lifter plate and upper lifter plate；The middle part upper surface of the upper lifter plate is provided with
Power equipment；The both ends upper surface of the mounting seat is symmetrically installed with stop sleeve；The inside points of the stop sleeve
No.1 sliding block and No. two sliding blocks Hua Dong be provided with；It is connected between the No.1 sliding block and No. two sliding blocks by No. two damping springs
Connect；The left end of the stop sleeve is also installed with fixed plate；Mode is connected through a screw thread in the fixed plate and rotates setting
There is screw rod；The outer peripheral surface of the screw rod is machined with external screw thread, and screw rod is connected through a screw thread mode and is arranged in internal thread through hole；
One end of the screw rod is installed with rotational handle；The other end of the screw rod is turned with No.1 sliding block by bearing connected mode
Dynamic connection；No. two hinged seats are also equipped with No. two sliding blocks；Also it is fixedly welded with the lower inner wall of the support post
The support rail set in horizontal direction；It is rotatablely connected between the end of the support rail and rotation cam by connecting shaft；
The lower surface of the lower lifter plate is symmetrically fixedly installed No.1 hinged seat；The top of the rotation cam and the bottom of connecting rod lead to
Articulated manner rotation connection is crossed, the top and the bottom of No.1 hinged seat of connecting rod are rotatablely connected by articulated manner；The rotation
The bottom of cam and the right-hand member of depression bar are rotatablely connected by articulated manner, pass through hinge between the other end of depression bar and No. two hinged seats
The mode of connecing is rotatablely connected.
As the further scheme of the present invention：The top of the No.1 damping spring is fixed with the lower surface of upper lifter plate to be connected
Connect, the bottom of No.1 damping spring is fixedly connected with the upper surface of lower lifter plate.
As the further scheme of the present invention：The top of the support post is additionally provided with pressing plate.
As the further scheme of the present invention：The support post is connected with plate bracket by No.1 fastening bolt.
As the further scheme of the present invention：The upper surface of the upper lifter plate is also symmetrically arranged with backplate；The electric power
The biside plate of equipment is fixedly connected by No. two fastening bolts with backplate respectively.
As the further scheme of the present invention：One end of No. two damping springs and the right lateral surface of No.1 sliding block are fixed
Connection, the other end of No. two damping springs are fixedly connected with the left-hand face of No. two sliding blocks.
As the further scheme of the present invention：Internal thread through hole, the inner ring of internal thread through hole are offered in the fixed plate
Offer the internal thread being engaged with external screw thread on screw rod.
Compared with prior art, the beneficial effects of the invention are as follows：
Power equipment is fixed on lifter plate, wherein lower lifter plate and the equal in the vertical direction of upper lifter plate slide,
The No.1 damping spring of setting plays one-level cushioning effect, and the part on power equipment can be shaken into row buffering,
Certain damping effect is played to power equipment so that power equipment can be preferably operated, and from power equipment
After another part vibrations through connecting rod, rotation cam and depression bar, it is delivered on No. two damping springs, by the design of rotation cam,
And rotation cam is capable of the end of support rail and rotated, rotation cam can consume a part of power during rotation, from
And the pressure being delivered on No. two damping springs is reduced, No. two damping springs are played a protective role, and No. two dampings set
Spring plays two level cushioning effect, good buffering effect is played to caused vibrations on power equipment, in addition, using rotating hand
Handle rotates screw rod, is threadedly coupled due to being used between screw rod and fixed plate, and then can realize to No.1 sliding block in rotation cam
The adjustment of position in inner chamber, and then the yield strength that No. two damping springs are compressed is adjusted, realize No. two damping spring damping effects
The regulation of fruit, using flexible.In summary, whole device is simple in construction, reasonable in design, can be to caused shake on power equipment
It is dynamic to play good buffering effect, good damping effect, noise caused by power equipment is effectively reduced, is advantageous to power equipment
Normal use, it is adapted to promote the use of.
Brief description of the drawings
Fig. 1 is the structural representation of power equipment vibration isolation erecting device.
Fig. 2 is the structural representation of two-step buffer in power equipment vibration isolation erecting device.
Fig. 3 is the connection diagram of support rail and rotation cam in power equipment vibration isolation erecting device.
In figure：1- mounting seats, 2- support posts, lifter plate under 3-, the upper lifter plates of 4-, 5- pressing plates, 6- No.1s fastening spiral shell
Bolt, 7- power equipments, 8- backplates, No. bis- fastening bolts of 9-, 10- No.1 damping springs, 11- chutes, 12- support rails, 13- turn
Moving cam, 14- stop sleevees, 15- depression bars, 16- connecting rods, 17- rotational handles, 18- screw rods, 19- fixed plates, 20- internal threads lead to
Hole, 21- No.1 sliding blocks, No. bis- damping springs of 22-, No. bis- sliding blocks of 23-, 24- connecting shafts, 25- No.1 hinged seats, No. bis- hinges of 26-
Joint chair.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-3, in the embodiment of the present invention, a kind of power equipment vibration isolation erecting device, including mounting seat 1, branch
Support column 2, lower lifter plate 3, upper lifter plate 4, rotation cam 13 and stop sleeve 14, the both ends upper surface of the mounting seat 1
It is symmetrical to be fixedly welded with the support post 2 set in vertical direction, offer chute 11 on the madial wall of support post 2；It is described
Lower lifter plate 3 and upper lifter plate 4 are slidably arranged in chute 11 respectively；It is provided between the lower lifter plate 3 and upper lifter plate 4
Some No.1 damping springs 10, the top of each No.1 damping spring 10 is fixedly connected with the lower surface of upper lifter plate 4, each
The bottom of individual No.1 damping spring 10 is fixedly connected with the upper surface of lower lifter plate 3；The top of the support post 2 is additionally provided with
Pressing plate 5, support post 2 are connected with the support of pressing plate 5 by No.1 fastening bolt 6；The middle part upper surface of the upper lifter plate 4 is set
It is equipped with power equipment 7；The upper surface of the upper lifter plate 4 is also symmetrically arranged with backplate 8；The biside plate of the power equipment 7 point
It is not fixedly connected by No. two fastening bolts 9 with backplate 8；The both ends upper surface of the mounting seat 1 is symmetrically installed with branch
Support set cylinder 14；The inside of the stop sleeve 14 is slided respectively is provided with No.1 sliding block 21 and No. two sliding blocks 23；The No.1 is slided
It is connected between block 21 and No. two sliding blocks 23 by No. two damping springs 22, wherein one end of No. two damping springs 22 is slided with No.1
The right lateral surface of block 21 is fixedly connected, and the other end of No. two damping springs 22 is fixedly connected with the left-hand face of No. two sliding blocks 23；
The left end of the stop sleeve 14 is also installed with fixed plate 19；Mode is connected through a screw thread in the fixed plate 19 rotates set
It is equipped with screw rod 18；The outer peripheral surface of the screw rod 18 is machined with external screw thread, and internal thread through hole 20, interior spiral shell are offered in fixed plate 19
The internal thread that the inner ring of line through hole 20 is offered with external screw thread is engaged on screw rod 18, screw rod 18 are connected through a screw thread mode and set
In internal thread through hole 20；One end of the screw rod 18 is installed with rotational handle 17；The other end and one of the screw rod 18
Number sliding block 21 is rotatablely connected by bearing connected mode；No. two hinged seats 26 are also equipped with No. two sliding blocks 23；The branch
Support and be also fixedly welded with the support rail 12 set in horizontal direction in the lower inner wall of column 2；The end of the support rail 12
It is rotatablely connected between portion and rotation cam 13 by connecting shaft 24；The lower surface of the lower lifter plate 3 is symmetrically fixedly installed one
Number hinged seat 25；The top and the bottom of connecting rod 16 of the rotation cam 13 are rotatablely connected by articulated manner, the top of connecting rod 16
The bottom with No.1 hinged seat 25 is held to be rotatablely connected by articulated manner；The bottom of the rotation cam 13 and the right-hand member of depression bar 15
It is rotatablely connected by articulated manner, is rotatablely connected between the other end of depression bar 15 and No. two hinged seats 26 by articulated manner.
The present invention operation principle be：In use, power equipment 7 is arranged on two backplates 8 on upper lifter plate 4 first
Between, and power equipment 7 is fixed by No. two fastening bolts 9 so that power equipment 7 is fixed on lifter plate 4,
Lifter plate 3 and 4 equal in the vertical direction of upper lifter plate is wherein descended to slide, the No.1 damping spring 10 of setting plays one-level damping work
With can shake the part on power equipment 7 into row buffering, certain damping effect is played to power equipment 7, is made
Obtaining power equipment 7 can preferably be operated, and the vibrations of another part from power equipment 7 through connecting rod 16, rotation cam
13 and depression bar 15 after, be delivered on No. two damping springs 22, by the design of rotation cam 13, and rotation cam 13 can support
The end of cross bar 12 is rotated, and rotation cam 13 can consume a part of power during rotation, and two are delivered to so as to reduce
No. two damping springs 22 are played a protective role by the pressure on number damping spring 22, and No. two damping springs 22 set play
Two level cushioning effect, good buffering effect is played to caused vibrations on power equipment 7, in addition, utilizing 17 turns of rotational handle
Dynamic screw rod 18, is threadedly coupled, and then can realize and No.1 sliding block 21 is being rotated due to being used between screw rod 18 and fixed plate 19
The adjustment of position in the inner chamber of cam 13, and then the yield strength that No. two damping springs 22 are compressed is adjusted, realize No. two damping bullets
The regulation of the damping effect of spring 22, using flexible.
The present invention is simple in construction, reasonable in design, can play good buffering to caused vibrations on power equipment 7 and imitate
Fruit, good damping effect, effectively reduce power equipment 7 caused by noise, be advantageous to the normal use of power equipment 7, be adapted to push away
It is wide to use.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of power equipment vibration isolation erecting device, including mounting seat（1）, support post（2）, lower lifter plate（3）, upper lifting
Plate（4）, rotation cam（13）And stop sleeve（14）, it is characterised in that the mounting seat（1）Both ends upper surface it is symmetrically solid
Surely it is welded with the support post set in vertical direction（2）, support post（2）Madial wall on offer chute（11）, it is described
Lower lifter plate（3）With upper lifter plate（4）Chute is slidably arranged in respectively（11）It is interior, the lower lifter plate（3）With upper lifter plate（4）
Between be provided with some No.1 damping springs（10）, the upper lifter plate（4）Middle part upper surface be provided with power equipment（7）,
The mounting seat（1）Both ends upper surface be symmetrically installed with stop sleeve（14）, the stop sleeve（14）Inside
Slide respectively and be provided with No.1 sliding block（21）With No. two sliding blocks（23）, the No.1 sliding block（21）With No. two sliding blocks（23）Between lead to
Cross No. two damping springs（22）It is connected, the stop sleeve（14）Left end be also installed with fixed plate（19）, it is described solid
Fixed board（19）On be connected through a screw thread mode and rotate and be provided with screw rod（18）, the screw rod（18）Outer peripheral surface be machined with outer spiral shell
Line, screw rod（18）The mode of being connected through a screw thread is arranged on internal thread through hole（20）It is interior, the screw rod（18）One end be fixedly mounted
There is rotational handle（17）, the screw rod（18）The other end and No.1 sliding block（21）It is rotatablely connected by bearing connected mode, institute
State No. two sliding blocks（23）On be also equipped with No. two hinged seats（26）, the support post（2）Lower inner wall on also fixed welding
There is the support rail set in horizontal direction（12）, the support rail（12）End and rotation cam（13）Between pass through company
Spindle（24）Rotation connection, the lower lifter plate（3）Lower surface be symmetrically fixedly installed No.1 hinged seat（25）, the rotation
Cam（13）Top and connecting rod（16）Bottom be rotatablely connected by articulated manner, connecting rod（16）Top and No.1 hinged seat
（25）Bottom be rotatablely connected by articulated manner, the rotation cam（13）Bottom and depression bar（15）Right-hand member pass through it is be hinged
Mode is rotatablely connected, depression bar（15）The other end and No. two hinged seats（26）Between be rotatablely connected by articulated manner.
A kind of 2. power equipment vibration isolation erecting device according to claim 1, it is characterised in that the No.1 damping spring
（10）Top and upper lifter plate（4）Lower surface be fixedly connected, No.1 damping spring（10）Bottom and lower lifter plate（3）'s
Upper surface is fixedly connected.
A kind of 3. power equipment vibration isolation erecting device according to claim 1, it is characterised in that the support post（2）
Top be additionally provided with pressing plate（5）.
A kind of 4. power equipment vibration isolation erecting device according to claim 3, it is characterised in that the support post（2）
With pressing plate（5）Support passes through No.1 fastening bolt（6）It is connected.
A kind of 5. power equipment vibration isolation erecting device according to claim 1, it is characterised in that the upper lifter plate（4）
Upper surface be also symmetrically arranged with backplate（8）, the power equipment（7）Biside plate pass through No. two fastening bolts respectively（9）With
Backplate（8）It is fixedly connected.
A kind of 6. power equipment vibration isolation erecting device according to claim 1, it is characterised in that No. two damping springs
（22）One end and No.1 sliding block（21）Right lateral surface be fixedly connected, No. two damping springs（22）The other end and No. two sliding blocks
（23）Left-hand face be fixedly connected.
A kind of 7. power equipment vibration isolation erecting device according to claim 1, it is characterised in that the fixed plate（19）On
Offer internal thread through hole（20）, internal thread through hole（20）Inner ring offer and screw rod（18）The interior spiral shell that upper external screw thread is engaged
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708060.2A CN107437464A (en) | 2017-08-17 | 2017-08-17 | A kind of power equipment vibration isolation erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708060.2A CN107437464A (en) | 2017-08-17 | 2017-08-17 | A kind of power equipment vibration isolation erecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107437464A true CN107437464A (en) | 2017-12-05 |
Family
ID=60460609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710708060.2A Withdrawn CN107437464A (en) | 2017-08-17 | 2017-08-17 | A kind of power equipment vibration isolation erecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107437464A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036840A (en) * | 2018-06-21 | 2018-12-18 | 向荣集团有限公司 | A kind of static reactive generator integral type capacitor pack support |
| CN110160675A (en) * | 2019-06-20 | 2019-08-23 | 国家海洋技术中心 | Contactless nuclear heat source power-measuring device |
| CN111599594A (en) * | 2020-04-27 | 2020-08-28 | 铜陵市胜美达电子制造有限公司 | Shock-proof type safety capacitor |
| CN112415232A (en) * | 2020-10-29 | 2021-02-26 | 红相股份有限公司 | Power equipment detection device convenient to maintain |
| CN112435871A (en) * | 2020-12-16 | 2021-03-02 | 扬州日精电子有限公司 | Novel metallized film capacitor winding machine |
| CN112775485A (en) * | 2020-12-18 | 2021-05-11 | 江西永洁科技集团有限公司 | Cutting and shearing device for metal plates |
| CN112896419A (en) * | 2021-01-20 | 2021-06-04 | 江苏扬子鑫福造船有限公司 | C-shaped tank base connecting device suitable for double-fuel ship |
| CN114810890A (en) * | 2022-04-03 | 2022-07-29 | 西北工业大学 | Quasi-zero stiffness vibration isolator with energy harvesting function |
| CN115013667A (en) * | 2022-06-21 | 2022-09-06 | 威海维特利机电科技有限公司 | Hidden type damping base for electrical equipment |
-
2017
- 2017-08-17 CN CN201710708060.2A patent/CN107437464A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036840A (en) * | 2018-06-21 | 2018-12-18 | 向荣集团有限公司 | A kind of static reactive generator integral type capacitor pack support |
| CN110160675A (en) * | 2019-06-20 | 2019-08-23 | 国家海洋技术中心 | Contactless nuclear heat source power-measuring device |
| CN111599594A (en) * | 2020-04-27 | 2020-08-28 | 铜陵市胜美达电子制造有限公司 | Shock-proof type safety capacitor |
| CN111599594B (en) * | 2020-04-27 | 2021-09-28 | 铜陵市胜美达电子制造有限公司 | Shock-proof type safety capacitor |
| CN112415232B (en) * | 2020-10-29 | 2023-07-07 | 红相股份有限公司 | Power equipment detection device convenient to maintain |
| CN112415232A (en) * | 2020-10-29 | 2021-02-26 | 红相股份有限公司 | Power equipment detection device convenient to maintain |
| CN112435871A (en) * | 2020-12-16 | 2021-03-02 | 扬州日精电子有限公司 | Novel metallized film capacitor winding machine |
| CN112435871B (en) * | 2020-12-16 | 2022-04-05 | 扬州日精电子有限公司 | Novel metallized film capacitor winding machine |
| CN112775485A (en) * | 2020-12-18 | 2021-05-11 | 江西永洁科技集团有限公司 | Cutting and shearing device for metal plates |
| CN112896419A (en) * | 2021-01-20 | 2021-06-04 | 江苏扬子鑫福造船有限公司 | C-shaped tank base connecting device suitable for double-fuel ship |
| CN114810890B (en) * | 2022-04-03 | 2023-05-23 | 西北工业大学 | Quasi-zero stiffness vibration isolator with energy harvesting function |
| CN114810890A (en) * | 2022-04-03 | 2022-07-29 | 西北工业大学 | Quasi-zero stiffness vibration isolator with energy harvesting function |
| CN115013667A (en) * | 2022-06-21 | 2022-09-06 | 威海维特利机电科技有限公司 | Hidden type damping base for electrical equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171205 |