CN205386497U - High -speed rotating disc centrifuge vibration damper - Google Patents
High -speed rotating disc centrifuge vibration damper Download PDFInfo
- Publication number
- CN205386497U CN205386497U CN201620048685.1U CN201620048685U CN205386497U CN 205386497 U CN205386497 U CN 205386497U CN 201620048685 U CN201620048685 U CN 201620048685U CN 205386497 U CN205386497 U CN 205386497U
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- China
- Prior art keywords
- fixing plate
- main shaft
- fixed plate
- frame
- iron core
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Abstract
The utility model discloses a high -speed rotating disc centrifuge vibration damper, including inverter motor, belt, frame, main shaft system, carousel, first fixed plate and second fixed plate, big band pulley is installed to inverter motor's output, installs main shaft system in the frame, the outside of elastic damping support is equipped with first fixed plate, second fixed plate that the inboard of first fixed plate was equipped with, install the iron core between first fixed plate and the second fixed plate, be fixed with coil and electro -magnet on the iron core, the inside of second fixed plate is equipped with the bearing frame. The utility model discloses a main shaft in with the main shaft being designs into slender axles to adopt special mild steel to make, use flexible rotor simultaneously, the slight amount of unbalance with the adaptation rotor crooked naturally of the long and thin main shaft of during operation, thus reduce the vibration through installation coil and electromagnet, can produce the electromagnetic force, thereby produce changeable damping and supplementary rigidity when the rotor rotates, improve stability, reduce the vibration.
Description
Technical field
This utility model relates to high speed rotating plate Centrifuge Techniques field, specifically a kind of high speed rotating plate centrifugal machine shock-absorbing device.
Background technology
ZPJ-40 type high speed rotating plate centrifuge is the high accelerated stress testing equipment of one that General Engineering Research Inst., China Engineering Physics Inst. develops in recent years, with reference to test standards such as MIL-STD-810F, for Aero-Space, the national defence units such as war industry provide fixed acceleration test platform, examination aircraft, electronic component used by rocket and semiconductor product bear the pressure breathing for G of high centrifugal force, reject bond strength excessively weak, lead coupling is bad and shelves bad electronic device, it can also be general civilian industry, including automobile, the industries such as communication, high accelerated stress testing service is provided, obtain the high reliability of product and realize product and quickly update.But the effectiveness in vibration suppression of high speed rotating plate centrifuge does not reach requirement, thus test does not reach expected effect.
Utility model content
For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of high speed rotating plate centrifugal machine shock-absorbing device.
To achieve these goals, this utility model be the technical scheme is that
nullA kind of high speed rotating plate centrifugal machine shock-absorbing device，Including frequency conversion motor、Belt、Frame、Main shaft system、Rotating disk、First fixing plate and the second fixing plate，The outfan of described frequency conversion motor is provided with big belt wheel，Big belt wheel is connected with small pulley by belt，Described small pulley is arranged on the inside of frame，Frame is provided with main shaft system，The upper end of described main shaft system is positioned at the test cavity above frame，And the main shaft system between test cavity and frame is provided with elastic damping support，The outside of described elastic damping support is provided with the first fixing plate，The second fixing plate that the inner side of the first fixing plate is provided with，Between described first fixing plate and the second fixing plate, iron core is installed，Iron core is fixed with coil and electric magnet，The inside of the described second fixing plate is provided with bearing block，And the outside of bearing block is provided with groove，Rubber ring it is provided with in groove，The inner side of described bearing block is fixed with high-speed bearing，The upper end of described main shaft system is connected with rotating disk by bullet.
Further, the described first fixing plate and second fixes plate all ringwise, and the center of circle of the center of circle of the first fixing plate and the second fixing plate overlaps.
Further, the height of described iron core fixes the height of plate less than first.
Further, described iron core has coil near the one ends wound of the first fixing plate, and iron core is fixed with electric magnet near one end of the second fixing plate.
Adopt after technique scheme, this utility model compared to the prior art advantageously:
High speed rotating plate centrifugal machine shock-absorbing device described in the utility model, by the spindle design in main shaft system is become slender axles, and adopt special mild steel to make, and using flex rotor simultaneously, during work, the slight natural torsion of elongated main shaft is to adapt to the amount of unbalance of rotor, thus reducing vibration, by installing coil and electromagnet, electromagnetic force can be produced when rotor rotates, thus producing variable damping and additional rigidity, improve stability, reduce vibration.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is elastic damping supporting structure schematic diagram of the present utility model.
Fig. 3 is the top view of elastic damping support of the present utility model.
In accompanying drawing labelling: 1-frequency conversion motor；The big belt wheel of 2-；3-belt；4-small pulley；5-elastic damping support；6-frame；7-main shaft system；8-test cavity；9-bullet；10-rotating disk；11-first fixes plate；12-coil；13-electric magnet；14-second fixes plate；15-high-speed bearing；16-bearing block；17-rubber ring；18-iron core.
Detailed description of the invention
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
nullAs Figure 1-3，A kind of high speed rotating plate centrifugal machine shock-absorbing device，Including frequency conversion motor 1、Belt 3、Frame 6、Main shaft system 7、Rotating disk 10、First fixing plate 11 and the second fixing plate 14，The outfan of frequency conversion motor 1 is provided with big belt wheel 2，Big belt wheel 2 is connected with small pulley 4 by belt 3，Small pulley 4 is arranged on the inside of frame 6，Frame 6 is provided with main shaft system 7，The upper end of main shaft system 7 is positioned at the test cavity 8 above frame 6，And the main shaft system 7 between test cavity 8 and frame 6 is provided with elastic damping support 5，The outside of elastic damping support 5 is provided with the first fixing plate 11，The second fixing plate 14 that the inner side of the first fixing plate 11 is provided with，First fixing plate 11 and the second fixing plate 14 are all ringwise，And first the center of circle of fixing plate 11 overlap with second center of circle fixing plate 14，Between first fixing plate 11 and the second fixing plate 14, iron core 18 is installed，The height of iron core 18 is the height of fixing plate 11 less than first，Iron core 18 is fixed with coil 12 and electric magnet 13，Iron core 18 has coil 12 near the one ends wound of the first fixing plate 11，Iron core 18 is fixed with electric magnet 13 near one end of the second fixing plate 14，The inside of the second fixing plate 14 is provided with bearing block 16，And the outside of bearing block 16 is provided with groove，Rubber ring 17 it is provided with in groove，The inner side of bearing block 16 is fixed with high-speed bearing 15，The upper end of main shaft system 7 is connected with rotating disk 10 by bullet 9.
Operation principle: first pass through employing flex rotor, and the spindle design in main shaft system 7 is become elongate, the material of main shaft adopts special mild steel, during work, rotor is by the active force of slender axles, can small sample perturbations automatically, rotating shaft slight bending is to adapt to the amount of unbalance of rotor, rotor centroid deviates, existence due to inertia, rotor can carry out automatic aligning, and run smoothly at high speeds, again through installing electric magnet 13 and coil 12 on iron core 18, as the spindle is rotated at high speeds, the inner side of electric magnet 13 produces electromagnetic force, thus producing adaptive damping, improve stability, reduce vibration.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
The above; it is only preferred embodiment of the present utility model; not in order to limit this utility model, every any trickle amendment, equivalent replacement and improvement above example made according to technical spirit of the present utility model, should be included within the protection domain of technical solutions of the utility model.
Claims (4)
- null1. a high speed rotating plate centrifugal machine shock-absorbing device，Including frequency conversion motor (1)、Belt (3)、Frame (6)、Main shaft system (7)、Rotating disk (10)、First fixing plate (11) and the second fixing plate (14)，It is characterized in that: the outfan of described frequency conversion motor (1) is provided with big belt wheel (2)，Big belt wheel (2) is connected with small pulley (4) by belt (3)，Described small pulley (4) is arranged on the inside of frame (6)，Frame (6) is provided with main shaft system (7)，The upper end of described main shaft system (7) is positioned at the test cavity (8) of frame (6) top，And the main shaft system (7) between test cavity (8) and frame (6) is provided with elastic damping support (5)，The outside of described elastic damping support (5) is provided with the first fixing plate (11)，The second fixing plate (14) that the inner side of the first fixing plate (11) is provided with，Between described first fixing plate (11) and the second fixing plate (14), iron core (18) is installed，Iron core (18) is fixed with coil (12) and electric magnet (13)，The inside of the described second fixing plate (14) is provided with bearing block (16)，And the outside of bearing block (16) is provided with groove，Rubber ring (17) it is provided with in groove，The inner side of described bearing block (16) is fixed with high-speed bearing (15)，The upper end of described main shaft system (7) is connected with rotating disk (10) by bullet (9).
- 2. a kind of high speed rotating plate centrifugal machine shock-absorbing device according to claim 1, it is characterised in that: the described first fixing plate (11) fixes plate (14) all ringwise with second, and the center of circle of the center of circle of the first fixing plate (11) and the second fixing plate (14) overlaps.
- 3. a kind of high speed rotating plate centrifugal machine shock-absorbing device according to claim 1, it is characterised in that: the height of described iron core (18) is the height of fixing plate (11) less than first.
- 4. a kind of high speed rotating plate centrifugal machine shock-absorbing device according to claim 1, it is characterized in that: described iron core (18) has coil (12) near the one ends wound of the first fixing plate (11), iron core (18) is fixed with electric magnet (13) near one end of the second fixing plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048685.1U CN205386497U (en) | 2016-01-19 | 2016-01-19 | High -speed rotating disc centrifuge vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048685.1U CN205386497U (en) | 2016-01-19 | 2016-01-19 | High -speed rotating disc centrifuge vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205386497U true CN205386497U (en) | 2016-07-20 |
Family
ID=56382279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620048685.1U Expired - Fee Related CN205386497U (en) | 2016-01-19 | 2016-01-19 | High -speed rotating disc centrifuge vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205386497U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704366A (en) * | 2016-12-08 | 2017-05-24 | 广东工业大学 | Electromagnetic main shaft capable of adjusting dynamic balance based on self-adaption |
| CN111266912A (en) * | 2020-03-31 | 2020-06-12 | 珠海格力智能装备有限公司 | Damping device and numerical control machine tool with same |
-
2016
- 2016-01-19 CN CN201620048685.1U patent/CN205386497U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704366A (en) * | 2016-12-08 | 2017-05-24 | 广东工业大学 | Electromagnetic main shaft capable of adjusting dynamic balance based on self-adaption |
| CN106704366B (en) * | 2016-12-08 | 2019-02-15 | 广东工业大学 | One kind is based on adaptively adjusting dynamically balanced electromagnetic spindles |
| CN111266912A (en) * | 2020-03-31 | 2020-06-12 | 珠海格力智能装备有限公司 | Damping device and numerical control machine tool with same |
| CN111266912B (en) * | 2020-03-31 | 2021-05-28 | 珠海格力智能装备有限公司 | Damping device and numerical control machine tool with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20170119 |