CN209198037U - It is multi-direction to use shake table - Google Patents

It is multi-direction to use shake table Download PDF

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Publication number
CN209198037U
CN209198037U CN201822242678.7U CN201822242678U CN209198037U CN 209198037 U CN209198037 U CN 209198037U CN 201822242678 U CN201822242678 U CN 201822242678U CN 209198037 U CN209198037 U CN 209198037U
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CN
China
Prior art keywords
vibration
platform
spring
base
shake table
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.)
Expired - Fee Related
Application number
CN201822242678.7U
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Chinese (zh)
Inventor
高峰
杨学山
尚帅锟
杨巧玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Engineering Mechanics China Earthquake Administration
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Institute of Engineering Mechanics China Earthquake Administration
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Engineering Mechanics China Earthquake Administration filed Critical Institute of Engineering Mechanics China Earthquake Administration
Priority to CN201822242678.7U priority Critical patent/CN209198037U/en
Application granted granted Critical
Publication of CN209198037U publication Critical patent/CN209198037U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of multi-direction using shake table, belongs to shake table field.Multi-direction using shake table includes: first base, and second base, the second base is fixedly connected with the first base, vibration excitor, first platform, first platform are connected with the exciting connecting rod on the vibration excitor, the second platform, second platform is fixedly connected with first platform, supporting element, and the support guide reed connected with the supporting element, vibration displacement indicator, vibration calibration adjusts system, and the vibration calibration adjustment system is used for the vibration calibration of vibrating sensor.This multi-direction vibration calibration that may be implemented using shake table to vertical motion sensor, also may be implemented the vibration calibration to horizontal vibration sensor.

Description

It is multi-direction to use shake table
Technical field
The utility model relates to shake table fields, use shake table in particular to one kind is multi-direction.
Background technique
Has the low-frequency vibration standard set-up for low-frequency sensor calibration both at home and abroad at present, shake table mostly uses electrodynamic type Technologies, the measuring principles such as driving, air bearings support guiding, closed loop servo frequency reducing are generally used for laser interferance method primary calibration, Its frequency range is generally 0.1-100Hz, expensive, and a special air pump is needed to supply for it, takes up a large area, by In using air spring, bearing capacity is also subject to certain restrictions, and China can participate in the low-frequency vibration standard set-up of national comparison at present Quantity is seldom.(patent No.: 92243429.8), table top displacement only has portable low frequency calibration console ' small servo vibration stand system ' ± 2.5mm, exciting force 17N, peak acceleration 3m/s2, in the calibration of low frequency acceleration, noise is relatively low, and is horizontal and vertical Shake table is all independent.
Therefore be badly in need of it is a kind of both vertically and horizontally can be with for calibrate low frequency or Ultra-low Frequency Vibration Sensor The shake table used.
Utility model content
The utility model, which provides, a kind of multi-direction uses shake table, it is intended to solve multi-direction using vibration in the prior art The above problem existing for platform.
The utility model is realized in this way:
One kind is multi-direction to use shake table, comprising:
First base has the first working face in the first base;
Second base, the second base are fixedly connected with the first base, have the second work in the second base Make face, second working face and first working face are mutually perpendicular to;
Vibration excitor, the vibration excitor are connected on first working face and/or second working face;
First platform, first platform are connected with the exciting connecting rod on the vibration excitor;Have on first platform First table top;
Second platform, second platform are fixedly connected with first platform, have second on second platform Face, second table top and first table top are mutually perpendicular to;
Supporting element, and the support guide reed connected with the supporting element, far from described on the support guide reed One end of supporting element is connected with second platform;
Vibration displacement indicator, the vibration displacement indicator are connected with the second base, the vibration displacement instruction Device is used to provide instruction for the vibration of second platform;
Vibration calibration adjusts system, and the vibration calibration adjustment system is connected with second platform, the vibration calibration Adjustment system is used for the vibration calibration of vibrating sensor.
In the utility model preferred embodiment, the vibration calibration adjustment system includes:
Spring fastenings, the spring fastenings are connected with second platform;
Feedback transducer connector is connected with feedback transducer magnetic circuit and spring tune on the feedback transducer connector Save part;
Spring, one end of the spring are connected with the spring fastenings, the other end of the spring and the spring tune Part connection is saved, the spring adjustor is used to adjust the length of the spring.
In the utility model preferred embodiment, the spring, the spring fastenings and the spring adjustor It is disposed as multiple, is corresponded between the spring, the spring fastenings and the spring adjustor.
In the utility model preferred embodiment, the spring adjustor includes screw rod and nut, the screw rod and institute The threaded connection of feedback transducer connector is stated, the nut is connected with the screw flight, and the nut is arranged in the feedback Far from the side of the spring on sensor connecting piece, one end on the screw rod far from the nut is connected with the spring.
In the utility model preferred embodiment, the feedback transducer includes feedback transducer ontology and coil, institute Stating feedback transducer ontology includes permanent magnet, and one end of the permanent magnet is connected with armature, and the outer sheath of the permanent magnet is equipped with External magnetic circuit, the external magnetic circuit are set as tubular, are provided with the protection ring of annular on the external magnetic circuit close to one end of the armature, One end on the external magnetic circuit far from the protection ring is connected with rear cover, and the rear cover is connected with the permanent magnet, the coil It is set between the permanent magnet and the external magnetic circuit.
In the utility model preferred embodiment, retaining ring is provided on first platform, the retaining ring has With the first state of the exciting connecting rod connection on the vibration excitor and the second state separated with exciting connecting rod, described first is flat Platform is connected by the retaining ring with the vibration excitor.
In the utility model preferred embodiment, the supporting element includes support rod interconnected and support plate, institute It states support rod and is set as multiple, multiple support plate interval settings, one end of the support rod is connected with the second base, The other end of the support rod is connected with the support rod, and the support plate is connected with the support guide reed, the support Guiding reed is set as multiple, and setting is spaced between multiple support guide reeds.
In the utility model preferred embodiment, vibration excitor bottom is provided between the vibration excitor and the second base Seat, the side of the vibration excitor pedestal are connected with the vibration excitor, the other side of the vibration excitor pedestal and the second base Connection.
In the utility model preferred embodiment, limiter, the limiter setting are installed in the second base Between the second base and second platform.
In the utility model preferred embodiment, the limiter is set as column, and the limiter is set as multiple, It is spaced apart between multiple limiters.
The beneficial effects of the utility model are:
The utility model obtains multi-direction using shake table by above-mentioned design, at work, by the first work Face keeps horizontal, and the vibration that vibration excitor generates at this time is transmitted on the first platform by exciting connecting rod, is then transmitted to second again It on platform, is then passed in vibration calibration adjustment system, at this point it is possible to which vibrating sensor setting is adjusted system in vibration calibration The vibration calibration to vertical motion sensor is realized on system;Second working face is kept into the vibration horizontal, vibration excitor generates at this time It is dynamic to be transmitted on the first platform by exciting connecting rod, it is then transmitted on the second platform again, is then passed to vibration calibration adjustment In system, at this point it is possible to which vibrating sensor is arranged in vibration calibration adjustment system to realize to horizontal vibration sensor Vibration calibration.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram at multi-direction the first visual angle using shake table that the utility model embodiment provides;
Fig. 2 is the structural schematic diagram at multi-direction the second visual angle using shake table that the utility model embodiment provides;
Fig. 3 is the multi-direction structure using the feedback transducer magnetic circuit in shake table that the utility model embodiment provides Schematic diagram;
Fig. 4 is the multi-direction structure using the feedback transducer ontology in shake table that the utility model embodiment provides Schematic diagram.
Icon: 100- is multi-direction to use shake table;110- first base;The first working face of 111-;120- second base; The second working face of 121-;122- vibration displacement indicator;123- limiter;130- vibration excitor;131- vibration excitor pedestal;132- is tight Lock ring;141- support plate;142- support rod;143- support guide reed;The first platform of 151-;The second platform of 152-;160- is anti- Infeed sensor device connector;161- feedback transducer magnetic circuit;1611- protection ring;1612- external magnetic circuit;1613- rear cover;1614- positioning Set;1615- armature;1616- permanent magnet;162- nut;163- screw rod;164- spring;165- spring fastenings;166- coil.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level Height is less than second feature.
Embodiment one
A kind of multi-direction use shake table 100 is present embodiments provided, Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, it is this more Direction includes: using shake table 100
First base 110 has the first working face 111 in first base 110;
Second base 120, second base 120 are fixedly connected with first base 110, have the second work in second base 120 Make face 121, the second working face 121 and the first working face 111 are mutually perpendicular to;
Vibration excitor 130, vibration excitor 130 are connected on the first working face 111 and/or the second working face 121;
First platform 151, the first platform 151 are connected with the exciting connecting rod on vibration excitor 130;Have on first platform 151 First table top;
Second platform 152, the second platform 152 are fixedly connected with the first platform 151, have second on the second platform 152 Face, the second table top and the first table top are mutually perpendicular to;
Supporting element, and the support guide reed 143 connected with supporting element, far from supporting element on support guide reed 143 One end and the second platform 152 connection;
Vibration displacement indicator 122, vibration displacement indicator 122 and second base 120 connect, vibration displacement indicator 122 for providing instruction for the vibration of the second platform 152;
Vibration calibration adjusts system, and vibration calibration adjusts system and the connection of the second platform 152, and vibration calibration adjusts system and uses In the vibration calibration of vibrating sensor.
In the present embodiment, vibration excitor 130 is fixed in second base 120, certainly, can also be fixed on first On pedestal 110.
At work, the first working face 111 is kept horizontal, the vibration that vibration excitor 130 generates at this time passes through exciting Connecting rod is transmitted on the first platform 151, is then transmitted to again on the second platform 152, and vibration calibration adjustment system is then passed to On, at this point it is possible to which vibrating sensor to be arranged in the vibration realized in vibration calibration adjustment system to vertical motion sensor Calibration;Second working face 121 is kept horizontal, it is flat that the vibration that vibration excitor 130 generates at this time by exciting connecting rod is transmitted to first It on platform 151, is then transmitted on the second platform 152, is then passed in vibration calibration adjustment system again, at this point it is possible to will vibration The vibration calibration realized in vibration calibration adjustment system to horizontal vibration sensor is arranged in dynamic sensor.
Optionally, in the present embodiment, vibration calibration adjustment system includes:
Spring fastenings 165, spring fastenings 165 and the connection of the second platform 152;
Feedback transducer connector 160, be connected on feedback transducer connector 160 feedback transducer magnetic circuit 161 and 164 regulating part of spring;
Spring 164, one end of spring 164 and spring fastenings 165 connect, and the other end and spring 164 of spring 164 are adjusted Part connection, 164 regulating part of spring are used for the length of adjustment spring 164.
Vibration on second platform 152 passes to feedback transducer connector 160 by spring 164, and passes through spring 164 Regulating part carrys out the length of adjustment spring 164, may be implemented to adjust the vibration that the second platform 152 is transmitted on feedback transducer Section.
Optionally, in the present embodiment, spring 164, spring fastenings 165 and 164 regulating part of spring are disposed as more It is a, it is corresponded between 164 regulating part of spring 164, spring fastenings 165 and spring.
Vibration on second platform 152 is transmitted on feedback transducer by multiple springs 164, and the essence of transmitting can be improved Degree reduces the error in transmittance process.
Optionally, in the present embodiment, 164 regulating part of spring includes screw rod 163 and nut 162, and screw rod 163 and feedback pass Sensor connector 160 is threadedly coupled, and nut 162 and screw rod 163 are threadedly coupled, and nut 162 is arranged in feedback transducer connector Far from the side of spring 164 on 160, one end and spring 164 on screw rod 163 far from nut 162 are connected.
Screw rod 163 and feedback transducer connector 160 are threadedly coupled, and can be realized by the adjusting to nut 162 pair The length of side on screw rod 163 on feedback transducer connector 160 far from nut 162 is controlled, so as to reach To the purpose of 164 length of adjustment spring.
Optionally, in the present embodiment, feedback transducer includes feedback transducer ontology and coil 166, feedback transducer Ontology includes permanent magnet 1616, and one end of permanent magnet 1616 is connected with armature 1615, and the outer sheath of permanent magnet 1616 is equipped with outer magnetic Road 1612, external magnetic circuit 1612 are set as tubular, are provided with the protection ring of annular on external magnetic circuit 1612 close to one end of armature 1615 1611, one end on external magnetic circuit 1612 far from protection ring 1611 is connected with rear cover 1613, and rear cover 1613 and permanent magnet 1616 connect, Coil 166 is set between permanent magnet 1616 and external magnetic circuit 1612.
Wherein, also there is positioning sleeve 1614 between permanent magnet 1616 and outer magnetic ring, after positioning sleeve 1614 is positioned close to The position of lid 1613.
Under the action of vibration, relative motion occurs between 166 feedback transducer ontology of coil, to generate electromagnetic induction Effect, achieve the purpose that the detection to vibration.
Optionally, in the present embodiment, be provided with retaining ring on the first platform 151, retaining ring have and vibration excitor 130 on The connection of exciting connecting rod first state and the second state for separate with exciting connecting rod, the first platform 151 by retaining ring with Vibration excitor 130 connects.
Tight lock ring 132 is in first state at work, at this time the exciting connecting rod and the first platform on vibration excitor 130 151 link together, and exciting connecting rod can drive the first platform 151 to vibrate, and when idle, tight lock ring 132 is in the Two-state, tight lock ring 132 and the separation of exciting connecting rod at this time, so that the vibration that the first platform 151 generates is not durings transport etc. It can be transmitted on exciting connecting rod, exciting connecting rod will not be damaged during transport etc..
Optionally, in the present embodiment, supporting element includes support rod 142 interconnected and support plate 141, support rod 142 are set as multiple, and the setting of multiple intervals of support plate 141, one end of support rod 142 and second base 120 connect, support rod 142 other end and support rod 142 connection, support plate 141 and support guide reed 143 connect, and support guide reed 143 is arranged To be multiple, setting is spaced between multiple support guide reeds 143.
Multiple support rods 142, which are used to form support plate 141, to be supported, it is ensured that secured, the support guide of support plate 141 The both ends of reed 143 are connected with support plate 141 and the second platform 152 respectively, support guide reed 143 with support plate 141 Connected position can accomplish solid and reliable.
Optionally, in the present embodiment, it is provided with vibration excitor pedestal 131 between vibration excitor 130 and second base 120, swashs The side of vibration device pedestal 131 and vibration excitor 130 connect, and the other side of vibration excitor pedestal 131 and second base 120 connect.
Vibration excitor pedestal 131 can make the connection between vibration excitor 130 and second base 120 more stable.
Optionally, in the present embodiment, limiter 123 is installed, limiter 123 is arranged second in second base 120 Between pedestal 120 and the second platform 152.
Limiter 123 can limit the second platform 152 and vibrate on the direction of vertical second working face 121, can make The vibration of second platform 152 is in the direction for being parallel to the first working face 111.
Optionally, in the present embodiment, limiter 123 is set as column, and limiter 123 is set as multiple, multiple limits It is spaced apart between device 123.
Limit effect can be improved in multiple columnar limiters 123.
The multi-direction working principle using shake table 100 provided in this embodiment is that at work, utility model is logical It crosses the multi-direction use shake table 100 that above-mentioned design obtains and the first working face 111 is kept horizontal, at this time at work The vibration that vibration excitor 130 generates is transmitted on the first platform 151 by exciting connecting rod, is then transmitted to again on the second platform 152, Be then passed in vibration calibration adjustment system, at this point it is possible to by vibrating sensor be arranged in vibration calibration adjustment system with Realize the vibration calibration to vertical motion sensor;Second working face 121 is kept into the vibration horizontal, vibration excitor 130 generates at this time It is dynamic to be transmitted on the first platform 151 by exciting connecting rod, it is then transmitted to again on the second platform 152, is then passed to vibration school In quasi- adjustment system, at this point it is possible to be arranged vibrating sensor in vibration calibration adjustment system to realize and be passed to horizontal vibration The vibration calibration of sensor.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. one kind is multi-direction to use shake table characterized by comprising
First base has the first working face in the first base;
Second base, the second base are fixedly connected with the first base, have the second working face in the second base, Second working face and first working face are mutually perpendicular to;
Vibration excitor, the vibration excitor are connected on first working face and/or second working face;
First platform, first platform are connected with the exciting connecting rod on the vibration excitor;Have first on first platform Table top;
Second platform, second platform are fixedly connected with first platform, have the second table top, institute on second platform It states the second table top and first table top is mutually perpendicular to;
Supporting element, and the support guide reed connected with the supporting element, far from the support on the support guide reed One end of part is connected with second platform;
Vibration displacement indicator, the vibration displacement indicator are connected with the second base, and the vibration displacement indicator is used Instruction is provided in the vibration for second platform;
Vibration calibration adjusts system, and the vibration calibration adjustment system is connected with second platform, the vibration calibration adjustment System is used for the vibration calibration of vibrating sensor.
2. multi-direction shake table is used according to claim 1, which is characterized in that the vibration calibration adjusts system packet It includes:
Spring fastenings, the spring fastenings are connected with second platform;
Feedback transducer connector, feedback transducer magnetic circuit is connected on the feedback transducer connector and spring is adjusted Part;
Spring, one end of the spring are connected with the spring fastenings, the other end of the spring and the spring adjustor Connection, the spring adjustor are used to adjust the length of the spring.
3. it is according to claim 2 it is multi-direction use shake table, which is characterized in that the spring, the spring fastenings And the spring adjustor be disposed as it is multiple, between the spring, the spring fastenings and the spring adjustor It corresponds.
4. it is according to claim 2 it is multi-direction use shake table, which is characterized in that the spring adjustor include screw rod and Nut, the screw rod and the feedback transducer connector are threadedly coupled, and the nut is connected with the screw flight, the spiral shell The side on the feedback transducer connector far from the spring, one end far from the nut on the screw rod is arranged in mother It is connected with the spring.
5. multi-direction shake table is used according to claim 2, which is characterized in that the feedback transducer magnetic circuit includes anti- Infeed sensor device ontology and coil, the feedback transducer ontology includes permanent magnet, and one end of the permanent magnet is connected with armature, institute The outer sheath for stating permanent magnet is equipped with external magnetic circuit, and the external magnetic circuit is set as tubular, the one of the close armature on the external magnetic circuit End is provided with the protection ring of annular, and one end far from the protection ring is connected with rear cover, the rear cover and institute on the external magnetic circuit Permanent magnet connection is stated, the coil is set between the permanent magnet and the external magnetic circuit.
6. it is according to claim 1 it is multi-direction use shake table, which is characterized in that be provided with locking on first platform Ring, the retaining ring has and exciting connecting rod on the vibration excitor connects first state and separated with exciting connecting rod the Two-state, first platform are connected by the retaining ring with the vibration excitor.
7. it is according to claim 1 it is multi-direction use shake table, which is characterized in that the supporting element includes interconnected Support rod and support plate, the support rod are set as multiple, multiple support plate intervals settings, one end of the support rod and The second base connection, the other end of the support rod are connected with the support rod, the support plate and the support guide Reed connection, the support guide reed are set as multiple, and setting is spaced between multiple support guide reeds.
8. it is according to claim 1 it is multi-direction use shake table, which is characterized in that the vibration excitor and the second base Between be provided with vibration excitor pedestal, the side of the vibration excitor pedestal is connected with the vibration excitor, the vibration excitor pedestal it is another Side is connected with the second base.
9. it is according to claim 1 it is multi-direction use shake table, which is characterized in that limit is installed in the second base Device, the limiter are arranged between the second base and second platform.
10. it is according to claim 9 it is multi-direction use shake table, which is characterized in that the limiter is set as column, institute It states limiter and is set as multiple, be spaced apart between multiple limiters.
CN201822242678.7U 2018-12-28 2018-12-28 It is multi-direction to use shake table Expired - Fee Related CN209198037U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822242678.7U CN209198037U (en) 2018-12-28 2018-12-28 It is multi-direction to use shake table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822242678.7U CN209198037U (en) 2018-12-28 2018-12-28 It is multi-direction to use shake table

Publications (1)

Publication Number Publication Date
CN209198037U true CN209198037U (en) 2019-08-02

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Application Number Title Priority Date Filing Date
CN201822242678.7U Expired - Fee Related CN209198037U (en) 2018-12-28 2018-12-28 It is multi-direction to use shake table

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109596299A (en) * 2018-12-28 2019-04-09 中国地震局工程力学研究所 The dual-purpose shake table of vertical-horizontal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109596299A (en) * 2018-12-28 2019-04-09 中国地震局工程力学研究所 The dual-purpose shake table of vertical-horizontal
CN109596299B (en) * 2018-12-28 2024-03-29 中国地震局工程力学研究所 Vertical and horizontal dual-purpose vibrating table

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190802

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