CN209703748U - Electric vortex type tuning quality damping unit - Google Patents
Electric vortex type tuning quality damping unit Download PDFInfo
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- CN209703748U CN209703748U CN201921771268.XU CN201921771268U CN209703748U CN 209703748 U CN209703748 U CN 209703748U CN 201921771268 U CN201921771268 U CN 201921771268U CN 209703748 U CN209703748 U CN 209703748U
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Abstract
The utility model discloses electric vortex type tuning quality damping units, are related to damping vibration attenuation technical field.A kind of electric vortex type tuning quality damping unit, including shell, stiffness system, quality system and damping system；Stiffness system includes column component using the lower support as quality system, and quality system includes mass block, and the mass block is height-adjustable to adjust weakening frequency on column component；The eddy current damper of damping system is connected on mass block, and mass block is enabled to carry out elastics wing using column component as support in the shell.The utility model uses stiffness system of the column component as tuning quality damping unit, quality system has directly just been connected on column component, and eddy current damper is mounted in quality system, without initial start power, microvibration can be reacted in time, have the advantages that structure simple, high sensitivity, easy to maintain.
Description
Technical field
The utility model relates to damping vibration attenuation technical field more particularly to a kind of electric vortex type tuning quality damping units.
Background technique
Skyscraper such as tower mast structure load effect in the horizontal direction is significant, therefore wind load, earthquake load are knots
The main control selector of structure design.Especially, for single tower mast structure, in order to adapt to more and more device category sum numbers
On the one hand amount, the conventional settling mode of wind load are to increase tower mast structure quantity or the single iron tower structure appearance of increasing and steel use
On the other hand amount is the various structural damping devices of setting.
For structural damping device (or dynamic vibration absorber), belongs to one kind of Structure uniformity measure, mainly answer
For wind resistance, antidetonation and improve human body comfort.Tuning quality damping unit is common one kind, can main structure by
There is provided a frequency almost equal, contrary with structure motion power when extraneous dynamic force acts on, to partly or entirely support
Disappear structural response caused by dynamic excitation.In application, can be reduced by rationally designing quality, rigidity and damped coefficient to reach
Main structure dynamic respons, the purpose for increasing structural load ability.
Tuning quality damping unit in the prior art is generally divided into stiffness system, quality system and resistance from component composition
Damping system three parts.This several part constitutes different types of damping unit by various combination mode.Commonly to tune
For Tuned mass damper device, under conventional scheme, quality system uses mass block, and pulley is arranged in mass block bottom, and stiffness system is adopted
With spring, rod-type damper or damping case or eddy current damper is can be used in damping system.Above scheme has following defects that
On the one hand, sensitivity is not high.Stiffness system uses spring, although it is highly reliable, can Field adjustment frequency, durability
The advantages that strong, but the supporting members such as pulley need to be arranged in quality system bottom, and these supporting members and floor have certain friction, from
And its working condition is caused to need an initial start power, it is difficult to react in time in microvibration, sensitivity is general.
On the other hand, it is difficult to which frequency is continuously adjusted.Current frequency regulative mode includes following two mode: one
It is that frequency is adjusted by increasing or decreasing the size of mass block, the method will affect effectiveness in vibration suppression, especially when quality reduces
When will lead to effectiveness in vibration suppression reduction.Second is that frequency is adjusted by replacement spring, the disadvantage is that practical operation trouble.And it is above two
Adjusting method belongs to discrete type method, and frequency can only adjust some fixed numbers in controlled range, it is difficult to which adjusting is arrived can
Control any number in range.
Summary of the invention
The purpose of this utility model is that: overcome the deficiencies of the prior art and provide a kind of electric vortex type tuning quality resistance
Buddhist nun's device.The utility model uses stiffness system of the column component as tuning quality damping unit, and quality system is directly rigid
It is connected on column component, while eddy current damper being mounted in quality system, is not necessarily to initial start power, it can be timely
Microvibration is reacted, has the advantages that structure simple, high sensitivity, easy to maintain.
To realize above-mentioned target, the utility model provides following technical solution:
A kind of electric vortex type tuning quality damping unit, including shell, and stiffness system, the quality of setting in the shell
System and damping system；
The stiffness system includes column component using the lower support as quality system, and the quality system includes matter
Gauge block, one end of column component and shell are rigidly connected, and the other end of column component is connect with mass block bottom rigid, institute
It states that mass block is height-adjustable on column component, is disappeared by adjusting height of the mass block on column component with adjusting
Vibration frequency；The damping system includes eddy current damper, and one end of eddy current damper connects on the shell, eddy-current damping
The other end of device is connected on mass block, and mass block is enabled to carry out elastic pendulum using column component as support in the shell
It is dynamic.
Further, the eddy current damper is mounted on mass block top, lower part or side, including permanent magnet, magnet
Back iron, conductor plate and conductor back iron, permanent magnet is between magnet back iron and conductor plate；Conductor plate and permanent magnet occur when vibration
Relative motion, conductor plate cutting magnetic line generate current vortex and permanent magnet interaction, generate the damping force for hindering relative motion.
Further, the side of the conductor back iron is mounted on mass block, opposite other side installing conductor plate；The magnetic
In the installation on the inner wall of the housing of body back iron, a pair of of permanent magnet interval is mounted on the surface of magnet back iron and the separate conductor plate,
The mutually reverse setting of the magnetic pole of permanent magnet pair, when conductor plate and permanent magnet generation relative motion, conductor plate cutting magnetic line is produced
Raw current vortex.
Further, the conductor plate is movably arranged on conductor back iron surface so that conductor plate and conductor back it is ironing surface away from
It is adjusted from being able to carry out, the size of damping force is adjusted so as to adjust the interval between conductor plate and permanent magnet.
Further, the conductor back iron is movably arranged on mass block, so that the distance between conductor back iron and mass block
It is able to carry out adjusting, the size of damping force is adjusted so as to adjust the interval between the conductor plate and permanent magnet on conductor back iron.
Further, the shell includes main body frame and goes along with sb. to guard him steel plate, and the main body frame forms the skeleton of shell, described
Go along with sb. to guard him the external protection that steel plate forms shell.
Further, the hole passed through for column component is provided on the mass block, the column component is set along axial length
It is equipped with locating part, mass block is fixed on to the preset height position of column component by locating part.
Further, the column component includes upper segment and lower part, and top is used for fixed mass block, and the length of lower part can
It adjusts, the height of column component is adjusted by adjusting the length of lower part, so as to adjust the height for the mass block for being fixed on top
Degree.
Further, the column component is one or more compositions in metallic rod, carbon fiber rod and fiberglass pole
Single bar component, plurality of rods component or cancelled structure.
Further, the mass block is that one of steel, lead, concrete and grouting material or a variety of mixing are constituted.
The utility model due to using the technology described above, compared with prior art, as an example, has the following advantages that
And good effect:
1) stiffness system uses lower support of the column component as quality system, and quality system is directly just connected to column
On formula component, it is not necessarily to initial start power when work, can be reacted in time in microvibration, sensitivity is good.
2) rigidity and frequency of damping unit are conveniently adjusted.It, can be by adjusting mass block in column component when operation
On relative position realize that the continuity of rigidity and frequency is adjusted, regulative mode is convenient, simple, effectively.
3) when adjusting frequency without changing mass block, frequency scheme phase is adjusted by adjusting quality block size with traditional
Than reducing influence of the frequency adjustment to the effectiveness in vibration suppression of damping unit.
4) eddy current damper is without mechanical wear, no initial start power, and easy to maintain.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric vortex type tuning quality damping unit provided by the embodiment of the utility model.
Fig. 2 is installation signal of the electric vortex type tuning quality damping unit provided by the embodiment of the utility model in building
Figure.
Fig. 3 is the sectional view of the A-A in Fig. 2.
Fig. 4 is the structural schematic diagram of eddy current damper provided by the embodiment of the utility model.
Fig. 5 is the working principle diagram of eddy current damper provided by the embodiment of the utility model.
Fig. 6 is the attachment structure schematic diagram of mass block provided by the embodiment of the utility model and column component.
Fig. 7 is the structural schematic diagram of relative position of the adjustment mass block on column component in Fig. 6.
Fig. 8 is the structure type schematic diagram of column component provided by the embodiment of the utility model.
Description of symbols:
Tuning quality damping unit 100；
Shell 110；
Stiffness system 120, bar 121, connecting elements 122；
Quality system 130；
Damping system 140, permanent magnet 141, magnet back iron 142, conductor plate 143, conductor back iron 144, mounting bracket 145；
Communication tower 200；
Mounting platform 210.
Specific embodiment
Electric vortex type tuning quality damping unit disclosed by the utility model is made below in conjunction with the drawings and specific embodiments
It is further described.It should be noted that the combination of technical characteristic described in following embodiments or technical characteristic is not answered
When be considered as it is isolated, they can be combined with each other to reaching superior technique effect.In the attached drawing of following embodiments
In, the identical label that each attached drawing occurs represents identical feature or component, can be apply to different embodiments.Therefore, one
It is defined in a certain Xiang Yi attached drawing of denier, then in subsequent attached drawing does not need that it is further discussed.
It should be noted that structure, ratio, size etc. depicted in this specification institute attached drawing, only to cooperate explanation
The revealed content of book is not limited to the enforceable limit of utility model so that those skilled in the art understands and reads
Fixed condition, the modification of any structure, the change of proportionate relationship or the adjustment of size, in the function that does not influence utility model and can be generated
Under effect and the purpose that can reach, it should all fall in the range of the revealed technology contents of utility model can cover.This is practical
The range of novel preferred embodiment includes other realization, wherein described or discussion the sequence, including root can not be pressed
According to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the reality of the utility model
A person of ordinary skill in the field is applied to be understood.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely illustratively, not as limitation.Therefore, exemplary embodiment
Other examples can have different values.
Embodiment
It is shown in Figure 1, it is a kind of knot of electric vortex type tuning quality damping unit provided by the embodiment of the utility model
Structure schematic diagram.
The tuning quality damping unit 100, including shell 110, and be arranged in shell 110 stiffness system 120,
Quality system 130 and damping system 140.
The stiffness system 120 includes column component, lower part branch of the column component as quality system 130
Support.
The quality system 130 includes mass block, and one end of column component and shell 110 are rigidly connected, column structure
The other end of part is connect with mass block bottom rigid.
The mass block is height-adjustable on column component, by adjusting phase of the mass block on column component
To height to adjust weakening frequency.
The damping system 140 includes eddy current damper.One end of eddy current damper connects on the shell, current vortex
The other end of damper is connected on mass block, and mass block is enabled to carry out bullet using column component as support in the shell
Property swing.
Above-mentioned technical proposal provided by the utility model, peripheral skeleton and protection knot of the shell as entire damping unit
Structure, stiffness system of the column component as damping unit, mass block have just connect on column component as quality system, damping
Damping system of the case as damping unit is cooperating target object vibration damping simultaneously, can also effectively reduce damping unit itself
Time of vibration and vibratility adjustment, dissipation vibrational energy.
It is shown in Figure 2, by taking communication tower 200 as an example, such as by increasing one or more above-mentioned resistances on communication tower 200
Buddhist nun's device, when 200 main structure of communication tower is acted on (such as wind load) by extraneous dynamic force, damping unit provides a frequency phase
Close or equal, contrary with structure motion power partly or entirely is offset structural response caused by dynamic excitation.
The electric vortex type tuning quality damping unit 100 can be installed in the form of central symmetry by mounting platform 210
It is shown in Figure 3 on communication tower 200.
In the present embodiment, the eddy current damper may be mounted at mass block top, lower part or side.
Shown in Figure 4, the eddy current damper may include permanent magnet 141, magnet back iron 142,143 and of conductor plate
Conductor back iron 144, permanent magnet 141 is between magnet back iron 142 and conductor plate 143.When vibration, conductor plate 143 and permanent magnet
141 occur relative motion, and 143 cutting magnetic line of conductor plate generates current vortex and permanent magnet 141 interacts, and generation hinders opposite
The damping force of movement.
In above scheme, motion mechanical energy is converted to by eddy current damper the electric energy of conductor plate, then by leading
The resistance of body plate is eventually converted into thermal energy consumption, to generate damping effect.The eddy current damper can not only be realized non-
It contacts, without mechanical wear, and is not necessarily to initial start power, have the advantages that structure is simple, maintenance requirement is low, durability is good.
When specific installation, the side of the conductor back iron 144 can be fixedly mounted on mass block, and opposite with the side is another
Side is equipped with conductor plate 143；The magnet back iron 142 can be fixedly mounted on 110 inner wall of shell by mounting bracket 145
On, and a pair of of interval of permanent magnet 141 is mounted on the surface of magnet back iron 142 and far between the conductor plate 143(and conductor plate
Every setting).The mutually reverse setting of the magnetic pole of aforementioned permanent magnet pair, when conductor plate 143 and the generation relative motion of permanent magnet 141,
143 cutting magnetic line of conductor plate generates current vortex, and current vortex and permanent magnet 141 interact, and generates the resistance for hindering relative motion
Buddhist nun's power, it is shown in Figure 5.
In the present embodiment, it is contemplated that the adjustment of damping force size, the interval between the conductor plate and permanent magnet is can be with
It adjusts.
In one embodiment, the conductor plate 143 is movably arranged on 144 surface of conductor back iron, so that conductor plate 143
It is able to carry out adjusting at a distance from 144 surface of conductor back iron, so as to adjust the interval distance between conductor plate 143 and permanent magnet 141
From so as to adjust the size of damping force.
In another embodiment, the conductor back iron 144 is movably arranged on mass block, so that conductor back iron 144
The distance between mass block is able to carry out adjusting, so as to adjust on conductor back iron 144 conductor plate 143 and permanent magnet 141 it
Between spacing distance to adjust the size of damping force.
Certainly, as needed, mounting bracket 145 can also be set to the bracket of adjustable in length.As an example rather than
Limitation, such as mounting bracket 145 may include installation crossbeam and a pair of brackets arm, and the installation crossbeam is used for fixed magnet back iron
142, a support arm, one end connection installation crossbeam of support arm, other end connected with outer casing are respectively installed in the two sides for installing crossbeam
110.The support arm is retractable structure, and flexible by support arm installs horizontal depth of beam to adjust, so as to adjust magnet
The spacing distance between permanent magnet and conductor plate on back iron 142 is to adjust the size of damping force.
In the present embodiment, the shell 110 includes main body frame and goes along with sb. to guard him steel plate, and the main body frame forms the bone of shell
Frame, the external protection gone along with sb. to guard him steel plate and form shell.
Specifically, the steel plate of going along with sb. to guard him may include top plate and bottom plate and sidewall paneling, and according to the shape of shell 110, the side
Siding may be constructed circle, also may be constructed rectangular or other shapes, should not be used as limitations of the present invention.
The lower end of column component and the bottom plate of shell 110 are rigidly connected, the upper end and mass block bottom of column component
Rigid connection, the permanent magnet portion of the eddy current damper are connected on shell 110, the conductor plate portion installation of eddy current damper
On mass block.In this way, mass block can carry out elastics wing using column component as support in the shell in vibration,
To consume vibrational energy.
Shown in Figure 6, the mass block is height-adjustable on column component, by adjusting mass block in column
Height on formula component is to adjust weakening frequency.
According to Structural Dynamics, damping unit belongs to single-degree-of-freedom system, and the calculation formula of damping unit body frequency is as follows:
(1)
(2)
Wherein,For circular frequency；K is rigidity；M is quality；F is frequency.
For high column structure, by taking solid center of circle iron staff as an example,
The calculation formula of rigidity k is as follows:
(3)
Wherein, E is the elasticity modulus of stud materials；H is height of the mass block center from column ground；I is section inertia
Square.
Wherein the calculation formula of cross sectional moment of inertia I is as follows:
(4)
Wherein, D is column diameter.
Composite type (1)-(4), it is as follows to be calculated final frequency calculation formula:
(5)
By formula (5) it is found that when column section, material and constant quality block size, can exist by adjusting mass block
Height and position on column adjusts damping unit frequency size.
It is shown in Figure 7, for example when needing to increase damping unit frequency, height H can be turned down to height H1.
Specifically, being provided on the mass block and being passed through for column component in an embodiment of the present embodiment
Hole, the column component along axial length be arranged finite place piece, mass block is fixed on by the pre- of column component by locating part
If height and position.
By way of example and not limitation, the screw thread that the locating part can be such as arranged along column members shaft length direction,
Can be set on the hole inner wall of the mass block with the matched internal screw thread of the screw thread, adjust matter by rotating forward or backwards
Position of the gauge block on column component.
Certainly, the locating part can also select the position limiting structures such as anchor ear, buckle, fixture as needed, as long as can be by matter
Gauge block is fixed on the preset height position of column component, can be and is wholely set with column component, can also be with
Column component split settings.
Above scheme provided by the utility model is produced by adjusting relative position of the mass block on column to continuously adjust
Product rigidity and frequency, the continuity that frequency may be implemented are adjusted, and regulative mode is convenient, simple, effective.
In another embodiment, the column component includes upper and lower part, and top is used for fixed mass block, lower part
Adjustable in length, the height of column component is adjusted by adjusting the length of lower part, so as to adjust the matter for being fixed on top
The height of gauge block.
By way of example and not limitation, for example the lower part of the column component uses nested type telescopic rod, enables lower part
Lift adjustment is enough carried out, passes through clamping screw after the completion of lift adjustment and is fastened.Telescopic rod is arranged in the clamping screw
Junction.As the citing of typical way, for example column lower part may include column jacket and inner prop, and the lower end of the column jacket is set in
Outside inner prop, the upper end of the inner prop is nested in inside the lower end of column jacket, and the junction of column jacket and inner prop is provided with clamping screw.
When needing to adjust the length of lower part, first rotates clamping screw and unlock, be then axially displaceable into inner prop in column jacket, adjust
To after the height of needs, reversely rotates clamping screw and locked.After the length of lower part, it is fixed on the mass block on top
Height is also just got higher.
In the present embodiment, the column component can for one in metallic rod, carbon fiber rod and fiberglass pole or
Single bar component, plurality of rods component or the cancelled structure of multiple compositions.
It is shown in Figure 8, illustrate single bar, plurality of rods or cancelled structure.Single bar is made of a bar 121, more
Root bar is made of 2 or more spaced apart bars 121, and the main body of cancelled structure is made of 121 arranged for interval of plurality of rods, and more
It is connected to form one between bar by connecting elements 122.
Described metallic rod, such as steel pole, iron, copper bar or aluminium bar etc..It, can also in addition to carbon fiber rod and fiberglass pole
To use other composite materials as needed.
The mass block can be constituted for one of steel, lead, concrete and grouting material or a variety of mixing.
In the above description, the disclosure of the utility model is not intended to for its own to be limited to these aspects.But
Within the scope of the protection of goal of present disclosure, each component can selectively and operatively be merged with arbitrary number.
In addition, as the term of " comprising ", " including " and " having " should default it is being interpreted as including property or open, rather than
Exclusive or closure, unless it is explicitly defined as opposite meaning.All technologies, science and technology or otherwise term are all
Meet meaning understood by one of ordinary skill in the art, unless it is defined as opposite meaning.The public art found in dictionary
Language should not be idealized very much under the background of the relevant technologies document or impractically be explained very much, unless present disclosure clearly will
It is defined as like that.Any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content,
Belong to the protection scope of claims.
Claims (10)
1. a kind of electric vortex type tuning quality damping unit, including shell, and setting stiffness system in the shell, quality system
System and damping system, it is characterised in that:
The stiffness system includes column component using the lower support as quality system, and the quality system includes quality
Block, one end of column component and shell are rigidly connected, and the other end of column component is connect with mass block bottom rigid, described
Mass block is height-adjustable on column component, by adjusting height of the mass block on column component to adjust weakening
Frequency；The damping system includes eddy current damper, and one end of eddy current damper connects on the shell, eddy current damper
The other end be connected on mass block, enable mass block to carry out elastic pendulum using column component as support in the shell
It is dynamic.
2. electric vortex type tuning quality damping unit according to claim 1, it is characterised in that: the eddy current damper
It is mounted on mass block top, lower part or side, including permanent magnet, magnet back iron, conductor plate and conductor back iron, permanent magnet are located at
Between magnet back iron and conductor plate；Relative motion occurs for conductor plate and permanent magnet when vibration, and conductor plate cutting magnetic line generates electricity
Vortex and permanent magnet interaction generate the damping force for hindering relative motion.
3. electric vortex type tuning quality damping unit according to claim 2, it is characterised in that: the one of the conductor back iron
Side is mounted on mass block, opposite other side installing conductor plate；In the magnet back iron installation on the inner wall of the housing, a pair of of permanent magnetism
Body interval is mounted on the surface of magnet back iron and far from the conductor plate, the mutually reverse setting of the magnetic pole of permanent magnet pair, when leading
When relative motion occurs for body plate and permanent magnet, conductor plate cutting magnetic line generates current vortex.
4. electric vortex type tuning quality damping unit according to claim 3, it is characterised in that: the conductor plate activity peace
Mounted in conductor back iron surface so that conductor plate and conductor, which carry on the back ironing surface distance, is able to carry out adjustings, so as to adjust conductor plate and
Interval between permanent magnet is to adjust the size of damping force.
5. electric vortex type tuning quality damping unit according to claim 3, it is characterised in that: the conductor back iron activity
It is mounted on mass block, so that the distance between conductor back iron and mass block are able to carry out adjusting, so as to adjust on conductor back iron
Conductor plate and permanent magnet between interval to adjust the size of damping force.
6. electric vortex type tuning quality damping unit according to claim 1, it is characterised in that: the shell includes main body
Frame forms the skeleton of shell, the external protection gone along with sb. to guard him steel plate and form shell with steel plate, the main body frame is gone along with sb. to guard him.
7. electric vortex type tuning quality damping unit according to claim 1, it is characterised in that: be arranged on the mass block
There is the hole passed through for column component, the column component is arranged finite place piece along axial length, consolidates mass block by locating part
It is scheduled on the preset height position of column component.
8. electric vortex type tuning quality damping unit according to claim 1, it is characterised in that: the column component packet
Upper segment and lower part are included, top is used for fixed mass block, and the adjustable in length of lower part is vertical to adjust by the length for adjusting lower part
The height of Column Member, so as to adjust the height for the mass block for being fixed on top.
9. electric vortex type tuning quality damping unit according to claim 1 to 8, it is characterised in that: described vertical
Column Member is the single bar component of one or more compositions in metallic rod, carbon fiber rod and fiberglass pole, plurality of rods structure
Part or cancelled structure.
10. electric vortex type tuning quality damping unit according to claim 1 to 8, it is characterised in that: described
Mass block is that one of steel, lead, concrete and grouting material or a variety of mixing are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921771268.XU CN209703748U (en) | 2019-10-22 | 2019-10-22 | Electric vortex type tuning quality damping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921771268.XU CN209703748U (en) | 2019-10-22 | 2019-10-22 | Electric vortex type tuning quality damping unit |
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| CN209703748U true CN209703748U (en) | 2019-11-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704586A (en) * | 2022-03-18 | 2022-07-05 | 徐州徐工基础工程机械有限公司 | Universal coordinated mass damper |
| CN115419183A (en) * | 2022-08-31 | 2022-12-02 | 湖南省潇振工程科技有限公司 | Tuned mass damper and damper frequency modulation method |
-
2019
- 2019-10-22 CN CN201921771268.XU patent/CN209703748U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704586A (en) * | 2022-03-18 | 2022-07-05 | 徐州徐工基础工程机械有限公司 | Universal coordinated mass damper |
| CN114704586B (en) * | 2022-03-18 | 2023-09-15 | 徐州徐工基础工程机械有限公司 | Universal coordination mass damper |
| CN115419183A (en) * | 2022-08-31 | 2022-12-02 | 湖南省潇振工程科技有限公司 | Tuned mass damper and damper frequency modulation method |
| CN115419183B (en) * | 2022-08-31 | 2023-10-20 | 湖南省潇振工程科技有限公司 | Tuned mass damper and damper frequency modulation method |
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 201203 room 409, building 6, No. 88 Darwin Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: SHANGHAI LIANGMING TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee after: Wuxi Jiangu earthquake reduction and Isolation Technology Co., Ltd Address before: 201203 room 409, building 6, No. 88 Darwin Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: SHANGHAI LIANGMING TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee before: Shanghai Jiangu Damping Technology Co., Ltd |