CN207961391U - Just elasticity conversion damper - Google Patents
Just elasticity conversion damper Download PDFInfo
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- CN207961391U CN207961391U CN201820325824.XU CN201820325824U CN207961391U CN 207961391 U CN207961391 U CN 207961391U CN 201820325824 U CN201820325824 U CN 201820325824U CN 207961391 U CN207961391 U CN 207961391U
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- brake
- guiding axis
- damper
- ballscrew shaft
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- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 18
- 230000013011 mating Effects 0.000 claims description 7
- 230000003100 immobilizing effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000004044 response Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001310793 Podium Species 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model is related to a kind of rigid elasticity conversion dampers, including pedestal, electromagnetic brake, ballscrew shaft, aligning antifriction bearing, bearing fixing barrel, lower plate, guide shaft support, guiding axis, spiral compression spring, guiding axis upper bed-plate, upper mounting plate, linear bearing, ball nut and damping energy dissipation unit.The utility model is the damper with rigid elastic conversion function, the weight of top quality is carried by spiral compression spring, pass through ball-screw auxiliary driving, just elasticity conversion is realized by the switch of electromagnetic brake, and the vibratory response that damping unit reduces upper load under elastic stage is used as by viscous damper or eddy current damper.The utility model successfully develops innovative rigid elasticity and converts damper, coordinates electromagnetic brake by ball screw assembly, and changed, purely mechanic transmission is highly not required to when realizing rigid elastic conversion just elastic can convert damper.
Description
Technical field
The utility model is related to a kind of dampers to belong to vibration damping antidetonation more particularly, to a kind of rigid elasticity conversion damper
Field.
Background technology
Damper is as a kind of passive type structure control device, and because it is not necessarily to external energy, control device is with structure
Move and generate control force, device is simple, it is easy to accomplish, have good economy and reliability, machinery, building,
The fields such as military project are widely applied.
Increase increasingly with the utilization of damper, the integrated demand of vibration insulating system is also gradually increasing, wherein just elasticity
Conversion function is a demand hot spot；Damper is mounted in the structure, under some operating modes, damper is needed to provide damping
(buffering) is reducing load response when being impacted of load, hereinafter referred to as elastic stage；Under other operating modes, need
It wants damper to be converted to rigidity and meets the work requirements of upper load to provide rigid support powerful enough, hereinafter referred to as
Rigid state, and common damper only has one state of elastic stage, therefore such integrated vibration reduction support cannot be met
Demand.
The realization method of the just elastic conversion function of rigid elasticity conversion damper existing at present is broadly divided into two kinds, but all
There are clearly disadvantageous places：
1. lifting platform formula：
When needing elastic stage, podium level is promoted to vibration damping position, damping means and load contact, damping means pair
Support simultaneously vibration damping；When needing rigid state, decline podium level to rigid location, damping means are detached from load, rigid portion
Part support load.The shortcomings that this mode, is its rigid elastic stage not in a horizontal position.
2. hydraulic valve switching regulator：
Controlled valve is installed on the moving piston of gas-liquid vibration absorber, when the valve is open, liquid can flow at its both ends,
For vibration damping state；When the valve is closed, liquid can not flow, and damper axis can not be movable, works as rigid state.The shortcomings that this mode
It is that the poor reliability of its rigid state, damping liquid have certain compressibility still can be because of liquid when it is impacted
Compressibility generate certain displacement.
Utility model content
The purpose of this utility model is exactly to provide a kind of rigid elasticity turn to overcome the problems of the above-mentioned prior art
Change damper.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of rigid elasticity conversion damper, including pedestal, electromagnetic brake, ballscrew shaft, aligning antifriction bearing, bearing
Fixing barrel, lower plate, guide shaft support, guiding axis, spiral compression spring, guiding axis upper bed-plate, upper mounting plate, linear bearing, rolling
Pearl nut and damping energy dissipation unit,
The guiding axis upper bed-plate, guide shaft support, lower plate, pedestal are arranged in parallel up and down,
The upper mounting plate is arranged on guiding axis upper bed-plate, for connecting upper load,
There is interval between the guiding axis upper bed-plate and guide shaft support, the guiding axis is arranged in guiding axis upper bed-plate
Between guide shaft support, the linear bearing mating with guiding axis, the guiding axis and straight line are provided with outside the guiding axis
Bearing limits the upper mounting plate and can only move up and down,
The spiral compression spring is set in outside linear bearing, and the spiral compression spring converts damper as just elasticity
Load supporting structure,
The damping energy dissipation unit is arranged between guiding axis upper bed-plate and guide shaft support,
The guide shaft support is fixedly connected with lower plate, there is interval, the pedestal between the lower plate and pedestal
For being connect with immobilizing foundation,
Ball nut is fixedly connected on the upper mounting plate, the lower plate is equipped with bearing fixing barrel, and the bearing is solid
Determine to be equipped with aligning antifriction bearing in bucket, the ballscrew shaft top and the mating connection of ball nut, under the ballscrew shaft
Portion is set in aligning antifriction bearing, and the ballscrew shaft is axially moved to be limited by bearing fixing barrel, aligning antifriction bearing, institute
It states ballscrew shaft and constitutes ball screw assembly, with ball nut, the linear motion of damper load will be needed to be converted to ballscrew shaft
Rotary motion,
The ballscrew shaft bottom is equipped with electromagnetic brake, and the electromagnetic brake carries out transmission company with ballscrew shaft
It connects transmission torque, the rotation of braking torque limitation ballscrew shaft is generated under rigid state, after being powered by electromagnetic brake.
Further, the damping energy dissipation unit is the viscous resistance being arranged between guiding axis upper bed-plate and guide shaft support
Buddhist nun's device.
Further, the viscous damper is using double rod viscous dampers, to ensure that internal pressure is constant and damps
Unit does not have extra stiffness.
Further, the damping energy dissipation unit is eddy-current damping system, and the eddy-current damping system includes conductor
The permanent magnet of flywheel and upper and lower mounted in pairs, the conductor flywheel is located between a pair of of permanent magnet, and is connected to ballscrew shaft
On, when upper mounting plate drives ball nut to do axial linear movement, ballscrew shaft band moving-conductor flywheel rotates together, leads
Magnetic induction line, inside caused by the permanent magnet of mounted in pairs generate current vortex above and below the cutting of body flywheel, generate one and original therewith
The magnetic field of reverse magnetic field, under the action of the magnetic field, conductor flywheel is reversed with the direction of motion by one, with velocity of rotation at just
The tangential electromagnetic damping power of ratio, the tangential electromagnetic damping power are equivalent to rotary damping torque and are transmitted on ball nut, will be upper flat
The thermal energy that the mechanical energy of platform up-down vibration is converted to conductor itself dissipates.
Further, the conductor flywheel is connected to by flywheel connecting key on ballscrew shaft,
The thrust bearing for bearing pulling force suffered by ballscrew shaft is also associated on the ballscrew shaft.
Further, the eddy-current damping system further includes damping system upper cover plate, and the damping system upper cover plate connects
It is connected on lower plate, the permanent magnet is connected on damping system upper cover plate or lower plate.
Damping of the utility model using viscous damper or eddy-current damping system as rigid elasticity conversion damper
Consume energy unit.
Further, the electromagnetic brake include with ballscrew shaft spin movement brake turntable, be fixed on
The brake fixing bolt of fixed brake fixing seat, axial connecting brake rotating disc and ballscrew shaft on pedestal
With brake fixed platen.
Further, the brake turntable passes through braking system connecting key and ball-screw axis connection.
Further, brake clearance needed for regulating brake is equipped between the brake turntable and aligning antifriction bearing
Brake pads.
The technical principle of the utility model is：
1, the load supporting structure using spiral compression spring as rigid elasticity conversion damper；
2, the damping energy dissipation unit using viscous damper or eddy-current damping system as rigid elasticity conversion damper；
3, the linear motion of damper load will be needed by ball screw lead screw pair (the mating ball nut of ballscrew shaft)
Be converted to internal rotating transmission；
4, the rotation that ball nut is limited by the mating linear bearing of straight-line guidance axis, makes it that can only be transported with spring straight line
It is dynamic；
5, the axial movement that ballscrew shaft is limited by rolling bearing, makes it that can only rotate；
6, electromagnetic brake and ballscrew shaft be sequentially connected and transmit torque；
7, under rigid state, pass through the suction of magnechuck and fixed seat in the energization rear brake turntable of electromagnetic brake
Close the rotation that friction generates braking torque limitation ballscrew shaft；
8, by the rotation of limitation ballscrew shaft to limit the rotation of ball nut, to limit and ball spiral shell
The up-down vibration of the upper mounting plate of parent phase even, to play rigidly connected purpose；
9, the brake in just elasticity conversion damper uses electromagnetic brake, passes through the power on/off of electromagnetic brake
The movement of damper transmission shaft is discharged/limits, to play the function of just elasticity conversion；
10, under elastic stage, the quick washing that basic platform is subject to is discharged at a slow speed after spiral compression spring energy storage, therefore
The shock response of upper mounting plate is slowed down, while coordinating the mechanical energy of damping system consumption vibration, is converted to damping unit itself
Thermal energy dissipates.
The utility model is to carry top quality by spiral compression spring with the damper of rigid elastic conversion function
Weight realizes just elasticity conversion by the switch of electromagnetic brake, passes through viscous damper or electricity by ball-screw auxiliary driving
Eddy current retarder reduces the vibratory response of upper load as damping unit under elastic stage.
The utility model successfully develops innovative rigid elasticity conversion damper, coordinates electromagnetic system by ball screw assembly,
Dynamic device, changed, purely mechanic transmission is highly not required to when realizing just elastic convert just elasticity can convert damper.
Description of the drawings
Attached drawing 1 is just elasticity conversion damper structure schematic diagram in embodiment 1；
Attached drawing 2 is just elasticity conversion damper structure schematic diagram in embodiment 2；
Attached drawing 3 is enlarged structure schematic diagram at I in Fig. 1 or Fig. 2.
Figure label：1, pedestal, 2, electromagnetic brake, 2-1, brake turntable, 2-2, brake fixing seat, 2-3, braking
Device fixing bolt, 2-4, brake fixed platen；3, ballscrew shaft, 4, braking system connecting key, 5, brake pads, 6, adjust
Heart rolling bearing, 7, bearing fixing barrel, 8, lower plate, 9, guide shaft support, 10, guiding axis, 11, spiral compression spring, 12, viscous
Stagnant damper, 13, guiding axis upper bed-plate, 14, upper mounting plate, 15, linear bearing, 16, ball nut, 17, upper load, 18, forever
Magnet, 19, conductor flywheel, 20, flywheel connecting key, 21, thrust bearing, 22, damping system upper cover plate.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1,3, a kind of rigid elasticity conversion damper, including pedestal 1, electromagnetic brake 2, ballscrew shaft 3, tune
Heart rolling bearing 6, bearing fixing barrel 7, lower plate 8, guide shaft support 9, guiding axis 10, spiral compression spring 11, on guiding axis
Pedestal 13, upper mounting plate 14, linear bearing 15, ball nut 16 and damping energy dissipation unit,
Guiding axis upper bed-plate 13, guide shaft support 9, lower plate 8, about 1 pedestal are arranged in parallel, and the setting of upper mounting plate 14 is being led
To on axis upper bed-plate 13, for connecting upper load 17, there is interval between guiding axis upper bed-plate 13 and guide shaft support 9, lead
It is arranged between guiding axis upper bed-plate 13 and guide shaft support 9 to axis 10, is provided with outside guiding axis 10 mating with guiding axis 10
Linear bearing 15, guiding axis 10 and linear bearing 15 limit upper mounting plate 14 and can only move up and down, and spiral compression spring 11 is arranged
Outside linear bearing 15, load supporting structure of the spiral compression spring 11 as rigid elasticity conversion damper, damping energy dissipation unit
Be arranged between guiding axis upper bed-plate 13 and guide shaft support 9, guide shaft support 9 is fixedly connected with lower plate 8, lower plate 8 and
There is interval between pedestal 1, pedestal 1 is fixedly connected with ball nut 16, goes to the bottom for being connect with immobilizing foundation on upper mounting plate 14
Plate 8 is equipped with bearing fixing barrel 7, and aligning antifriction bearing 6,3 top of ballscrew shaft and ball nut are equipped in bearing fixing barrel 7
16 mating connections, 3 lower part of ballscrew shaft are set in aligning antifriction bearing 6, and the axial movement of ballscrew shaft 3 is fixed by bearing
Bucket 7, aligning antifriction bearing 6 limit, and ballscrew shaft 3 constitutes ball screw assembly, with ball nut 16, will need damper load
Linear motion is converted to the rotary motion of ballscrew shaft 3, and 3 bottom of ballscrew shaft is equipped with electromagnetic brake 2, electromagnetic brake
2, which with ballscrew shaft 3 be sequentially connected, transmits torque, under rigid state, passes through and generates braking after electromagnetic brake 2 is powered and turn round
Square limits the rotation of ballscrew shaft 3.
In the present embodiment, damping energy dissipation unit be arranged between guiding axis upper bed-plate 13 and guide shaft support 9 it is viscous
Damper 12.More preferably, viscous damper 12 is using double rod viscous dampers, to ensure that internal pressure is constant and damping unit
There is no extra stiffness.
With reference to figure 3, electromagnetic brake 2 include with ballscrew shaft 3 spin movement brake turntable 2-1, be fixed on
The brake of fixed brake fixing seat 2-2, axial direction connecting brake rotating disc 2-1 and ballscrew shaft 3 on pedestal 1
Fixing bolt 2-3 and brake fixed platen 2-4.Brake turntable 2-1 passes through braking system connecting key 4 and ballscrew shaft 3
Connection.The brake pads 5 of brake clearance needed for regulating brake are equipped between brake turntable 2-1 and aligning antifriction bearing 6.
The technical principle of the present embodiment is：
Entire just elasticity conversion damper is connect by pedestal 1 with the basis of meeting impact vibrated, and upper load 17 is logical
It crosses and is connected to upper mounting plate 14, upper load 17 and the weight of upper mounting plate 14 are carried by spiral compression spring 11.Under elastic stage,
The transmission process of entire damper is as follows：When basis receives impact, pedestal 1 because generating axial position therewith with basic axial connect
It moves, 11 passive compression of spiral compression spring or stretching, spiral compression spring 11 drive upper mounting plate 14 to move in a straight line, and are put down with upper
The ball nut 16 that platform 14 connects does axial linear movement together with upper mounting plate 14, and the ballscrew shaft 3 coordinated with it is because of axis
It is limited to movement by bearing fixing barrel 7, aligning antifriction bearing 6, therefore can only rotary motion, ball nut 16 and ballscrew shaft
The suffered fixed straight-line guidance axis of rotational component of 3 cooperations is balanced, therefore upper mounting plate only can be with spiral compression spring axis
To movement；Quick washing suffered by basis is discharged at a slow speed after spiral compression spring energy storage, therefore slows down rushing for upper mounting plate
Response is hit, upper mounting plate 14 is in up-down vibration, during 12 passive compression of viscous damper or stretching, by the mechanical energy of vibration
The thermal energy for being converted to itself dissipates, and upper mounting plate is made quickly to tend towards stability.
When system needs to be converted to rigid state, electromagnetic brake is powered, and the magnechuck on brake turntable 2-1 connects
Nearly brake fixes disk 2-2, generates powerful frictional force, is equivalent to braking torque, limits the rotation of brake turntable 2-1,
Ballscrew shaft 3 is connect by brake connecting key 4 with brake turntable 2-1, therefore electromagnetic brake limits ball simultaneously
The rotation of lead screw shaft 3, to limit the linear motion of ball nut, upper mounting plate can not generate relative displacement relative to pedestal,
Overall structure axial restraint is integrated, to be converted to rigid state.
Embodiment 2
With reference to figure 2, difference from Example 1 is, in the present embodiment, damping energy dissipation unit is eddy-current damping system
System.Integral vibration damping principle is same as Example 1.
Eddy-current damping system includes conductor flywheel 19 and the permanent magnet 18 of mounted in pairs, conductor flywheel 19 are located at one up and down
Between permanent magnet 18, and it is connected on ballscrew shaft 3.
Wherein, conductor flywheel 19 is connected to by flywheel connecting key 20 on ballscrew shaft 3, is also connected on ballscrew shaft 3
It is connected to the thrust bearing 21 for bearing pulling force suffered by ballscrew shaft 3.Eddy-current damping system further includes damping system upper cover
Plate 22, damping system upper cover plate 22 are connected on lower plate 8, and permanent magnet 18 is connected to damping system upper cover plate 22 or lower plate 8
On.
Operation principle is：When upper mounting plate 14 drives ball nut 16 to do axial linear movement, ballscrew shaft 3 is with moving-conductor
Flywheel 19 rotates together, and conductor flywheel 19 cuts magnetic induction line caused by the permanent magnet 18 of upper and lower mounted in pairs, internal
Current vortex is generated, generates the magnetic field of one and former reverse magnetic field therewith, under the action of the magnetic field, conductor flywheel 19 is by one
Tangential electromagnetic damping power reversed with the direction of motion, directly proportional to velocity of rotation, the tangential electromagnetic damping power are equivalent to rotation resistance
Buddhist nun's torque is transmitted on ball nut 16, and the thermal energy that the mechanical energy of 14 up-down vibration of upper mounting plate is converted to conductor itself consumes
It dissipates.
Practicality can be understood and used the above description of the embodiments is intended to facilitate those skilled in the art
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (9)
1. a kind of rigid elasticity conversion damper, which is characterized in that including pedestal (1), electromagnetic brake (2), ballscrew shaft
(3), aligning antifriction bearing (6), bearing fixing barrel (7), lower plate (8), guide shaft support (9), guiding axis (10), helical compression
Spring (11), guiding axis upper bed-plate (13), upper mounting plate (14), linear bearing (15), ball nut (16) and damping energy dissipation unit,
The guiding axis upper bed-plate (13), guide shaft support (9), lower plate (8), pedestal (1) are arranged in parallel up and down,
The upper mounting plate (14) is arranged on guiding axis upper bed-plate (13), for connecting upper load (17),
There is interval between the guiding axis upper bed-plate (13) and guide shaft support (9), guiding axis (10) setting is being oriented to
Between axis upper bed-plate (13) and guide shaft support (9), it is provided with outside the guiding axis (10) and mating straight of guiding axis (10)
Spool is held (15), and the guiding axis (10) limits the upper mounting plate (14) with linear bearing (15) and can only move up and down,
The spiral compression spring (11) is set in linear bearing (15) outside, and the spiral compression spring (11) turns as just elasticity
The load supporting structure of damper is changed,
The damping energy dissipation unit is arranged between guiding axis upper bed-plate (13) and guide shaft support (9),
The guide shaft support (9) is fixedly connected with lower plate (8), there is interval between the lower plate (8) and pedestal (1),
The pedestal (1) is used to connect with immobilizing foundation,
Ball nut (16) is fixedly connected on the upper mounting plate (14), the lower plate (8) is equipped with bearing fixing barrel (7),
Aligning antifriction bearing (6) is equipped in the bearing fixing barrel (7), ballscrew shaft (3) top is matched with ball nut (16)
Set connection, ballscrew shaft (3) lower part are set in aligning antifriction bearing (6), and the ballscrew shaft (3) is axially moved
It is limited by bearing fixing barrel (7), aligning antifriction bearing (6), the ballscrew shaft (3) constitutes ball wire with ball nut (16)
Thick stick pair, the rotary motion that the linear motion of damper load will be needed to be converted to ballscrew shaft (3),
Ballscrew shaft (3) bottom is equipped with electromagnetic brake (2), the electromagnetic brake (2) and ballscrew shaft (3) into
Row, which is sequentially connected, transmits torque, and generating braking torque under rigid state, after being powered by electromagnetic brake (2) limits ball-screw
The rotation of axis (3).
2. a kind of rigid elasticity conversion damper according to claim 1, which is characterized in that the damping energy dissipation unit is to set
Set the viscous damper (12) between guiding axis upper bed-plate (13) and guide shaft support (9).
3. a kind of rigid elasticity conversion damper according to claim 2, which is characterized in that the viscous damper (12) is adopted
With double rod viscous dampers.
4. a kind of rigid elasticity conversion damper according to claim 1, which is characterized in that the damping energy dissipation unit is electricity
Eddy current damping system, the eddy-current damping system include conductor flywheel (19) and the permanent magnet (18) of upper and lower mounted in pairs, institute
It states conductor flywheel (19) to be located between a pair of of permanent magnet (18), and is connected on ballscrew shaft (3), the eddy-current damping system
System generates rotary damping torque and is transmitted on ball nut (16), and the mechanical energy of upper mounting plate (14) up-down vibration is converted to conductor
The thermal energy of itself dissipates.
5. a kind of rigid elasticity conversion damper according to claim 4, which is characterized in that the conductor flywheel (19) passes through
Flywheel connecting key (20) is connected on ballscrew shaft (3), is also associated on the ballscrew shaft (3) for bearing ball wire
The thrust bearing (21) of pulling force suffered by thick stick axis (3).
6. a kind of rigid elasticity conversion damper according to claim 4, which is characterized in that the eddy-current damping system is also
Including damping system upper cover plate (22), the damping system upper cover plate (22) is connected on lower plate (8), the permanent magnet (18)
It is connected on damping system upper cover plate (22) or lower plate (8).
7. a kind of rigid elasticity conversion damper according to claim 1, which is characterized in that electromagnetic brake (2) packet
Include with ballscrew shaft (3) spin movement brake turntable (2-1), be fixed on fixed brake on pedestal (1)
The brake fixing bolt (2-3) and braking of fixed seat (2-2), axial connecting brake turntable (2-1) with ballscrew shaft (3)
Device fixed platen (2-4).
8. a kind of rigid elasticity conversion damper according to claim 7, which is characterized in that the brake turntable (2-1)
It is connect with ballscrew shaft (3) by braking system connecting key (4).
9. a kind of rigid elasticity conversion damper according to claim 7, which is characterized in that the brake turntable (2-1)
The brake pads (5) of brake clearance needed for regulating brake are equipped between aligning antifriction bearing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820325824.XU CN207961391U (en) | 2018-03-09 | 2018-03-09 | Just elasticity conversion damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820325824.XU CN207961391U (en) | 2018-03-09 | 2018-03-09 | Just elasticity conversion damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961391U true CN207961391U (en) | 2018-10-12 |
Family
ID=63742165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820325824.XU Withdrawn - After Issue CN207961391U (en) | 2018-03-09 | 2018-03-09 | Just elasticity conversion damper |
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| Country | Link |
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| CN (1) | CN207961391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194570A (en) * | 2018-03-09 | 2018-06-22 | 上海材料研究所 | A kind of firm elasticity conversion damper |
-
2018
- 2018-03-09 CN CN201820325824.XU patent/CN207961391U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194570A (en) * | 2018-03-09 | 2018-06-22 | 上海材料研究所 | A kind of firm elasticity conversion damper |
| CN108194570B (en) * | 2018-03-09 | 2024-02-13 | 上海材料研究所有限公司 | Rigid-elastic conversion shock absorber |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200437 No. 99, Handan Road, Shanghai, Hongkou District Patentee after: Shanghai Material Research Institute Co.,Ltd. Address before: 200437 No. 99, Handan Road, Shanghai, Hongkou District Patentee before: SHANGHAI Research Institute OF MATERIALS |
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| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20240213 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20240213 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |