CN209198037U - It is multi-direction to use shake table - Google Patents
It is multi-direction to use shake table Download PDFInfo
- 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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- vibration
- platform
- spring
- base
- shake table
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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201822242678.7U CN209198037U (en) | 2018-12-28 | 2018-12-28 | It is multi-direction to use shake table |
Publications (1)
Publication Number | Publication Date |
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CN209198037U true CN209198037U (en) | 2019-08-02 |
Family
ID=67430853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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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CN (1) | CN209198037U (en) |
Cited By (1)
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 |
-
2018
- 2018-12-28 CN CN201822242678.7U patent/CN209198037U/en not_active Expired - Fee Related
Cited By (2)
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 Termination date: 20191228 |
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