CN109139795A - Damper and testing machine with same - Google Patents
Damper and testing machine with same Download PDFInfo
- Publication number
- CN109139795A CN109139795A CN201811281569.4A CN201811281569A CN109139795A CN 109139795 A CN109139795 A CN 109139795A CN 201811281569 A CN201811281569 A CN 201811281569A CN 109139795 A CN109139795 A CN 109139795A
- Authority
- CN
- China
- Prior art keywords
- oscillator
- damper
- vibration damping
- shell
- sealing ring
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 42
- 238000009434 installation Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/124—Elastomeric springs
- F16F15/1245—Elastic elements arranged between substantially-radial walls of two parts rotatable with respect to each other, e.g. between engaging teeth
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/165—Sealing arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a damper and a testing machine with the same, wherein the damper comprises: the shell is used for the core rod to pass through; the first vibrator is arranged in the shell and is used for being sleeved on the outer side of the core rod; the second vibrator is arranged in the shell and is used for being sleeved on the outer side of the first vibrator; and the first vibration damping part is arranged between the first vibrator and the second vibrator to reduce vibration caused by the core bar. The damper solves the problem that the damper in the prior art cannot meet the requirement of the overspeed testing machine on vibration reduction.
Description
Technical field
The present invention relates to testing fields, in particular to a kind of damper and with its testing machine.
Background technique
In the test of measurement rotor rotation speed, since the velocity of rotation of test specimen is higher, laboratory apparatus itself is added
Or the reasons such as test specimen processing easily cause the vibration of test specimen, so as to cause the judder of whole system, this strong vibration
It can make equipment that can not be tested, or even damage equipment, generally slow down and absorb using devices such as dampers in existing equipment
The vibration of equipment, but the damper shock attenuation result of existing equipment and bad, and the velocity of rotation of test specimen, consumption power are influenced, only
The vibration caused by the rotation compared with low speed is adapted to, when test specimen velocity of rotation is larger, existing damper is unable to satisfy equipment
Vibration damping and consumption reduction require.
Summary of the invention
It is in the prior art to solve the main purpose of the present invention is to provide a kind of damper and with its testing machine
Damper is not able to satisfy the problem of Super Speed Tester drop vibration.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of damper, comprising: shell is used for
It is passed through for core bar；First oscillator, the first oscillator are arranged in shell, and the first oscillator is for being set on the outside of core bar；Second oscillator,
Second oscillator is arranged in shell, and the second oscillator is used to be set in the outside of the first oscillator；First vibration damping portion, the first vibration damping portion are set
It sets between the first oscillator and the second oscillator, to reduce vibration caused by core bar.
Further, shell be equipped with oil inlet interface, the first vibration damping portion be vibration damping oil film so that oil liquid by oil inlet interface into
Enter in shell with to the first vibration damping portion fuel feeding.
Further, the second oscillator is equipped with logical hydraulic fluid port, so that oil liquid is entered by oil inlet interface in shell and through logical hydraulic fluid port
It flows between the first oscillator and the second oscillator to form vibration damping oil film.
Further, damper further include: seal assembly, seal assembly are arranged between the first oscillator and the second oscillator,
To form the sealing space for sealing oil liquid.
Further, seal assembly includes: the first sealing ring, and one end of the first oscillator is arranged in the first sealing ring；Second
The other end of the first oscillator is arranged in sealing ring, the second sealing ring；Wherein, the first sealing ring, the first oscillator, the second sealing ring and
Second oscillator is connected to form sealing space.
Further, the first oscillator is equipped with the first mounting groove and the second mounting groove, and the setting of the first sealing ring is in the first peace
On tankage, the second sealing ring is arranged on the second mounting groove.
Further, damper further include: the second vibration damping portion, the second vibration damping portion are arranged between the second oscillator and shell,
To reduce vibration caused by core bar.
Further, the second vibration damping portion is rubber assembly.
Further, the second oscillator includes the first mounting portion and the second mounting portion, and rubber assembly includes multiple rubber rings, more
A rubber ring includes: the first rubber coil assembly, and the first rubber coil assembly is arranged on the first mounting portion；Second rubber coil assembly,
Second rubber coil assembly is arranged on the second mounting portion；Wherein, the first rubber coil assembly and the setting of the second rubber coil assembly are the
On two oscillators.
Further, the second oscillator is equipped with the first installation step and the second installation step, the first installation step and second
Installation step is spaced apart and arranged on the second oscillator outer wall, and the first mounting portion is arranged in the first installation step and the second installation step
Between, side of second installation step far from the first installation step is arranged in the second mounting portion.
According to another aspect of the present invention, a kind of testing machine, including damper and speed regulation device are provided, speed regulation device is used
In the velocity of rotation for adjusting core bar, damper is above-mentioned damper for reducing core vibration of bar, damper.
The damper to apply the technical scheme of the present invention can be applied in hypervelocity experimental machine, for slowing down caused by core bar
Vibration, the damper include shell, the first oscillator and the second oscillator, and the first oscillator is cylinder-like structure, are set in the outer of core bar
Side, the outside of the first oscillator, the second oscillator and the first oscillator is arranged in caused vibration, the second oscillator when reducing core bar rotation
Between be provided with the first vibration damping portion, be specifically used to reduce between the first oscillator and the second oscillator vibration transmitting, it is of the invention
Damper, come lower core vibration of bar layer by layer, meets hypervelocity by the first oscillator of setting, the second oscillator and the first vibration damping portion
The drop vibration demand of experimental machine.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of damper according to the present invention；
Fig. 2 shows the top views of damper embodiment of the invention；
Fig. 3 shows in Fig. 2 of the invention cross-sectional view at the A-A of damper embodiment；
Fig. 4 shows the schematic diagram of the first oscillator embodiment of the invention；
Fig. 5 shows the cross-sectional view of the first oscillator embodiment of the invention；
Fig. 6 shows the schematic diagram of the second oscillator embodiment of the invention；
Fig. 7 shows the cross-sectional view of the second oscillator embodiment of the invention.
Wherein, the above drawings include the following reference numerals:
20, damper；22, the first oscillator；222, the first sealing ring；223, the second sealing ring；224, the first mounting groove；
225, the second mounting groove；23, the second oscillator；233, lead to hydraulic fluid port；234, the first installation step；235, the second installation step；24, shell
Body；241, oil inlet interface；26, the first vibration damping portion；27, the second vibration damping portion；272, the first rubber coil assembly；273, the second rubber ring
Component.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The present invention provides a kind of dampers, please refer to Fig. 1 to Fig. 7, comprising: shell 24, for being passed through for core bar；First
Oscillator 22, the first oscillator 22 are arranged in shell 24, and the first oscillator 22 is for being set on the outside of core bar；Second oscillator 23, second
Oscillator 23 is arranged in shell 24, and the second oscillator 23 is used to be set in the outside of the first oscillator 22；First vibration damping portion 26, first subtracts
Vibration portion 26 is arranged between the first oscillator 22 and the second oscillator 23, to reduce vibration caused by core bar.
Damper 20 in the present invention can be applied in hypervelocity experimental machine, for slowing down vibration caused by core bar, the resistance
Buddhist nun's device 20 includes shell 24, the first oscillator 22 and the second oscillator 23, and the first oscillator 22 is cylinder-like structure, is set in the outer of core bar
Side, caused vibration when reducing core bar rotation, the second oscillator 23 are arranged in the outside of the first oscillator 22, the second oscillator 23 and the
The first vibration damping portion 26 is provided between one oscillator 22, with the vibration for being specifically used to reduce between the first oscillator 22 and the second oscillator 23
Transmitting, damper 20 of the invention is by the first oscillator 22 of setting, the second oscillator 23 and the first vibration damping portion 26 come lower layer by layer
Core vibration of bar meets the drop vibration demand of hypervelocity experimental machine.
Shell 24 is equipped with oil inlet interface 241, and the first vibration damping portion 26 is vibration damping oil film, so that oil liquid is by oil inlet interface 241
With to 26 fuel feeding of the first vibration damping portion in into shell 24.
As shown in figure 3, oil inlet interface 241 is provided in the present embodiment on the shell of damper 24, the first vibration damping portion 26
It is specifically vibration damping oil film, which is the oil film with certain pressure, and specific pressure is adjustable according to the demand of revolving speed.
Second oscillator 23 is equipped with logical hydraulic fluid port 233, so that oil liquid is entered by oil inlet interface 241 in shell 24 and through logical hydraulic fluid port
233 flow between the first oscillator 22 and the second oscillator 23 to form vibration damping oil film.
As shown in figure 3, be additionally provided with logical hydraulic fluid port 233 on the second oscillator 23 in the present embodiment, oil liquid by shell 24 into
Oily interface 241, which enters to enter between the second oscillator 23 and the first oscillator 22 in shell by logical hydraulic fluid port 233, to be formed with certain
The oil film of pressure reduces the purpose of vibration to play.
Damper further include: seal assembly, seal assembly are arranged between the first oscillator 22 and the second oscillator 23, to be formed
For sealing the sealing space of oil liquid.Seal assembly includes: the first sealing ring 222, and the first sealing ring 222 is arranged in the first oscillator
22 one end；The other end of the first oscillator 22 is arranged in second sealing ring 223, the second sealing ring 223；Wherein, the first sealing ring
222, the first oscillator 22, the second sealing ring 223 and the connection of the second oscillator 23 are to form sealing space.First oscillator 22 is equipped with the
One mounting groove 224 and the second mounting groove 225, the first sealing ring 222 are arranged on the first mounting groove 224, and the second sealing ring 223 is set
It sets on the second mounting groove 225.
Such as Fig. 3 to Fig. 5, in order to make to form oil film between the first oscillator 22 and the second oscillator 23 in the present embodiment,
Seal assembly is additionally provided between one oscillator 22 and the second oscillator 23, seal assembly specifically includes the first sealing ring 222 and second
Sealing ring 223 surrounds between first sealing ring 222, the second sealing ring 223, the first oscillator 22 and the second oscillator 23 for sealing
The space of oil film is respectively provided with two cricoid mounting grooves, the first mounting groove at 22 both ends of the first oscillator to install seal assembly
224 and second mounting groove 225, the first sealing ring 222 be arranged in the first mounting groove 224, the second sealing ring 223 is arranged second
In mounting groove 225.
Damper further include: the second vibration damping portion 27, the second vibration damping portion 27 are arranged between the second oscillator 23 and shell 24, with
Reduce vibration caused by core bar.Second vibration damping portion 27 is rubber assembly.
As shown in figure 3, the damper 20 in the present embodiment is additionally provided with the second vibration damping portion 27, the second vibration damping portion 27 uses physics
Vibration damping selects flexible material rubber from material.
Second oscillator 23 includes the first mounting portion and the second mounting portion, and rubber assembly includes multiple rubber rings, multiple rubber
Circle includes: the first rubber coil assembly 272, and the first rubber coil assembly 272 is arranged on the first mounting portion；Second rubber coil assembly
273, the second rubber coil assembly 273 is arranged on the second mounting portion；Wherein, the first rubber coil assembly 272 and the second rubber ring group
Part 273 is arranged on the second oscillator 23.Second oscillator 23 be equipped with the first installation step 234 and the second installation step 235, first
Installation step 234 and the second installation step 235 are spaced apart and arranged on 23 outer wall of the second oscillator, and the first mounting portion is arranged first
Between installation step 234 and the second installation step 235, the setting of the second mounting portion is in the second installation step 235 far from the first installation
The side of step 234.
For the ease of installing the second vibration damping portion 27 in the present embodiment, the first mounting portion and the are provided on the second oscillator 23
Two mounting portions, specifically, one end of 23 outer wall of the second oscillator is equipped with cricoid first installation step 234, outside the second oscillator 23
The centre of wall is equipped with cricoid second installation step 235, and the setting of the first rubber coil assembly 272 is in the first installation step 234 and the
On the first mounting portion that two installation steps 235 surround, the setting of the second rubber coil assembly 273 is in the second installation step 235 far from the
On second mounting portion of one installation step, 234 side.
The present invention also provides a kind of testing machine, including damper 20 and speed regulation device, speed regulation device is for adjusting core bar
Velocity of rotation, for damper 20 for reducing core vibration of bar, damper 20 is above-mentioned damper.
The present invention also provides a kind of Super Speed Tester, which includes above-mentioned damper 20 and speed regulation dress
It sets, speed regulation device includes core bar, and core bar drives wheel rotation, and the outside that core bar is arranged in damper 20 is used to reduce the vibration of core bar
It is dynamic.
In addition, the oil inlet interface in the present invention is settable multiple, to carry out fuel feeding into shell simultaneously, logical hydraulic fluid port can also be set
Be set to it is multiple, so as to the oil transportation into oil film in time.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Damper 20 in the present invention can be applied in hypervelocity experimental machine, for slowing down vibration caused by core bar, the resistance
Buddhist nun's device 20 includes shell 24, the first oscillator 22 and the second oscillator 23, and the first oscillator 22 is cylinder-like structure, is set in the outer of core bar
Side, caused vibration when reducing core bar rotation, the second oscillator 23 are arranged in the outside of the first oscillator 22, the second oscillator 23 and the
The first vibration damping portion 26 is provided between one oscillator 22, with the vibration for being specifically used to reduce between the first oscillator 22 and the second oscillator 23
Transmitting, damper 20 of the invention is by the first oscillator 22 of setting, the second oscillator 23 and the first vibration damping portion 26 come lower layer by layer
Core vibration of bar meets the drop vibration demand of hypervelocity experimental machine.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of damper characterized by comprising
Shell (24), for being passed through for core bar；
First oscillator (22), the first oscillator (22) setting is in the shell (24), and first oscillator (22) is for covering
It is located on the outside of core bar；
Second oscillator (23), the second oscillator (23) setting is in the shell (24), and second oscillator (23) is for covering
It is located at the outside of first oscillator (22)；
First vibration damping portion (26), first vibration damping portion (26) are arranged in first oscillator (22) and second oscillator (23)
Between, to reduce vibration caused by the core bar.
2. damper according to claim 1, which is characterized in that the shell (24) is equipped with oil inlet interface (241), institute
State the first vibration damping portion (26) be vibration damping oil film so that oil liquid from the oil inlet interface (241) enter the shell (24) in to
First vibration damping portion (26) fuel feeding.
3. damper according to claim 2, which is characterized in that second oscillator (23) is equipped with logical hydraulic fluid port (233),
So that oil liquid is entered in the shell (24) by the oil inlet interface (241) and flows into described first through the logical hydraulic fluid port (233)
To form vibration damping oil film between oscillator (22) and second oscillator (23).
4. damper according to claim 1, which is characterized in that the damper further include:
Seal assembly, the seal assembly are arranged between first oscillator (22) and second oscillator (23), to be formed
For sealing the sealing space of oil liquid.
5. damper according to claim 4, which is characterized in that the seal assembly includes:
First sealing ring (222), first sealing ring (222) are arranged in one end of first oscillator (22)；
Second sealing ring (223), the other end of the second sealing ring (223) setting in first oscillator (22)；
Wherein, first sealing ring (222), first oscillator (22), second sealing ring (223) and second vibration
Sub (23) connection is to form the sealing space.
6. damper according to claim 5, which is characterized in that first oscillator (22) is equipped with the first mounting groove
(224) with the second mounting groove (225), first sealing ring (222) is arranged on first mounting groove (224), and described the
Two sealing rings (223) are arranged on second mounting groove (225).
7. damper according to claim 1, which is characterized in that the damper further include:
Second vibration damping portion (27), second vibration damping portion (27) setting second oscillator (23) and the shell (24) it
Between, to reduce vibration caused by the core bar.
8. damper according to claim 7, which is characterized in that second vibration damping portion (27) is rubber assembly.
9. damper according to claim 8, which is characterized in that second oscillator (23) includes the first mounting portion and the
Two mounting portions, the rubber assembly include multiple rubber rings, and multiple rubber rings include:
First rubber coil assembly (272), the first rubber coil assembly (272) are arranged on first mounting portion；
Second rubber coil assembly (273), the second rubber coil assembly (273) are arranged on second mounting portion；
Wherein, the first rubber coil assembly (272) and the second rubber coil assembly (273) are arranged in second oscillator
(23) on.
10. damper according to claim 9, which is characterized in that second oscillator (23) is equipped with the first erecting bed
Rank (234) and the second installation step (235), first installation step (234) and second installation step (235) compartment of terrain
It is arranged on the second oscillator (23) outer wall, first mounting portion setting is in first installation step (234) and described
Between second installation step (235), the second mounting portion setting is in second installation step (235) far from first peace
Fill the side of step (234).
11. a kind of testing machine, including damper (20) and speed regulation device, the speed regulation device is used to adjust the rotation speed of core bar
Degree, the damper (20) is for reducing the core vibration of bar, which is characterized in that the damper (20) is claim 1
To damper described in any one of 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281569.4A CN109139795B (en) | 2018-10-23 | 2018-10-23 | Damper and testing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281569.4A CN109139795B (en) | 2018-10-23 | 2018-10-23 | Damper and testing machine with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139795A true CN109139795A (en) | 2019-01-04 |
| CN109139795B CN109139795B (en) | 2021-01-29 |
Family
ID=64807075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281569.4A Active CN109139795B (en) | 2018-10-23 | 2018-10-23 | Damper and testing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139795B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4694391B2 (en) * | 2006-03-14 | 2011-06-08 | 株式会社奥村組 | Seismic isolation facility |
| CN203443774U (en) * | 2013-08-27 | 2014-02-19 | 杭州海罗马科技有限公司 | High-speed rotation testing machine |
| CN103604587A (en) * | 2013-08-27 | 2014-02-26 | 杭州海罗马科技有限公司 | High-speed rotation testing machine and method for testing high-speed rotation strength performance of rotor |
| CN102927196B (en) * | 2012-11-05 | 2014-11-19 | 中国船舶重工集团公司第七〇五研究所 | Extrusion oil film damper running synchronously with propulsion shaft system |
-
2018
- 2018-10-23 CN CN201811281569.4A patent/CN109139795B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4694391B2 (en) * | 2006-03-14 | 2011-06-08 | 株式会社奥村組 | Seismic isolation facility |
| CN102927196B (en) * | 2012-11-05 | 2014-11-19 | 中国船舶重工集团公司第七〇五研究所 | Extrusion oil film damper running synchronously with propulsion shaft system |
| CN203443774U (en) * | 2013-08-27 | 2014-02-19 | 杭州海罗马科技有限公司 | High-speed rotation testing machine |
| CN103604587A (en) * | 2013-08-27 | 2014-02-26 | 杭州海罗马科技有限公司 | High-speed rotation testing machine and method for testing high-speed rotation strength performance of rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109139795B (en) | 2021-01-29 |
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