CN209417311U - A kind of fast and stable system of the pendulum sensor for seismic monitoring instrument - Google Patents
A kind of fast and stable system of the pendulum sensor for seismic monitoring instrument Download PDFInfo
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Abstract
The utility model relates to a kind of fast and stable systems of pendulum sensor for seismic monitoring instrument, including shake table, inclination leveling platform, pendulum sensor, acquisition control unit and PC terminal, shake table includes the vibration slide unit that can be vibrated along one-dimensional horizontal direction.Inclination leveling platform is located on vibration slide unit, and pendulum sensor is located on inclination leveling platform.Shake table and PC terminal are connect with acquisition control unit, and acquisition control unit is vibrated according to the displacement information of collected vibration slide unit and the external trigger order-driven vibration slide unit of PC terminal.The utility model carries out quickly abatement residual stress to pendulum sensor complete machine using the method for oscillating aging, achievees the purpose that pendulum sensor fast and stable, substantially reduces the period of sensor stabilization, meets the growth requirement of China's earthquake monitoring stations and networks.
Description
Technical field
The utility model belongs to the stability field of the pendulum sensor of seismic monitoring instrument, and in particular to one kind is for ground
Shake the fast and stable system of the pendulum sensor of monitoring instrument.
Background technique
In order to record solid tide well, the information abundant such as seismic process, seismic monitoring instrument all has high
Required precision, by taking borehole inclinometer as an example, ground inclination distortion measurement in, in order to record ground tilt tide well
Nighttide, ground tilt the crustal deformation information abundant such as cumulative process, and borehole inclinometer requires have 2x10-4The high resolution of rad
Energy.Under so high resolving power, high requirement also proposed to the stability of the sensor in borehole inclinometer.Sensing
Device is from material, and to processing, to assembly, each link can have residual stress.For common observation system, these residual stress amounts
Grade very little, does not influence to observe, and can be neglected.But for high-precision seismic monitoring pendulum-type instrument, these remnants are answered
Power will have a direct impact on observation data stability, if disregarded, sensor can a very long time can not steady operation,
Observation data have the interference problems such as a large amount of kicks, burr, drift.
The method elimination remnants that local material heat treatment and natrual ageing combine are answered currently, pendulum sensor relies on
Power improves the stability of sensor.This set processing method has certain effect, but there is also deficiencies.On the one hand, natrual ageing
The period for eliminating residual stress is long, and the elastomeric element of some instrument suspension mechanisms needs nature to place the several months, and even up to several years
It could use, be difficult to meet the earthquake monitoring stations and networks construction needs quicklyd increase.On the other hand, local components are eliminated remnants and are answered
After power, new residual stress can be generated in sensor assembling flow path.Therefore, the pendulum sensor of seismic monitoring instrument needs whole
The fast and stable method of machine elimination residual stress.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of fast and stable system of pendulum sensor for seismic monitoring instrument, it is intended to solve
Pendulum sensor stable period existing in the prior art is too long, is unable to satisfy the earthquake monitoring stations and networks construction demand quicklyd increase
The problem of.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include:
The utility model provides a kind of fast and stable system of pendulum sensor for seismic monitoring instrument, including vibration
Platform, inclination leveling platform, pendulum sensor, acquisition control unit and PC terminal；Shake table includes can be along one-dimensional horizontal direction
The vibration slide unit of vibration；Inclination leveling platform is located on vibration slide unit, and pendulum sensor is located on inclination leveling platform, and pendulum-type senses
The deviational survey direction of device is consistent with the vibration one-dimensional direction of vibration of slide unit, inclination leveling platform be used to adjust the posture of pendulum sensor with
Pendulum sensor is set to be in functioning equalization dotted state；Shake table and PC terminal are connect with acquisition control unit, acquisition control list
Member is according to the displacement information of collected vibration slide unit and the external trigger order-driven vibration slide unit vibration of PC terminal.
According to the utility model, PC terminal is also connect with pendulum sensor, for acquiring in real time and showing pendulum sensor
Tilt angle information.
According to the utility model, shake table further includes pedestal, electromagnetic exciter and displacement sensor；Vibration slide unit is located at bottom
On seat, and it can be vibrated relative to pedestal along one-dimensional horizontal direction；Electromagnetic exciter and displacement sensor are each attached on pedestal,
And the mandril of electromagnetic exciter is fixedly connected with vibration slide unit, the probe of displacement sensor is connect with vibration slide unit；Electromagnetic exciting
Device and displacement sensor are also connect with acquisition control unit.
According to the utility model, acquisition control unit includes data collector, servo controller and power amplifier；Data
Collector, power amplifier and PC terminal are connect with servo controller, and data collector is also connect with displacement sensor, power
Amplifier is also connect with electromagnetic exciter.
According to the utility model, pendulum sensor includes the sensor in pendulum-type seismometer, the sensor in accelerometer
Or the inclination sensor in vertical pendulum inclinometer.
According to the utility model, inclination sensor includes swinging rack, swinging hanging mechanism and middle pendulum；Swinging rack is fixed on inclination
It leveling on platform, symmetrically arranged two fixed polar plates is fixed on swinging rack, one end of swinging hanging mechanism is fixedly connected with middle pendulum,
The other end is fixedly connected with swinging rack.
According to the utility model, inclination leveling platform includes the tilting table of two mounted on top；Each tilting table includes fixing
Platform, workbench and driving device, are fixed with arc track on fixed station, and workbench is connected simultaneously energy by arc track with fixed station
It is enough to reciprocatingly slide relative to arc track；Driving device is for driving workbench to slide relative to arc track；One of them
The fixed station of tilting table is fixed on the workbench of another tilting table.
According to the utility model, fixed station includes the shell with upward opening, and shell upper end two sides are respectively fixed with arc
Shape track, arc track is interior to be equipped with arc groove；The two sides of the bottom of workbench are respectively equipped with arc bump, and arc bump is plugged on
In arc groove and can arcuately track it reciprocatingly slide.
According to the utility model, driving device includes screw rod, sliding part and handle；Sliding part is fixed on the bottom of workbench
Portion, sliding part are arcuate structure and are uniformly provided with multiple gear teeth in the bottom surface of arcuate structure；The shell of screw rod and fixed station can turn
Dynamic connection, screw rod are equipped at least partly screw thread, and screw thread and multiple gear teeth are intermeshed；Screw rod stretches out the one of the shell of fixed station
End is fixedly connected with handle.
(3) beneficial effect
The beneficial effects of the utility model are:
The utility model dexterously utilizes the cooperation of shake table and acquisition control unit, adds in pendulum sensor itself production
After the assembly is completed, the whole object as oscillating aging carries out Vibration Aging Process, using the method for oscillating aging to pendulum-type to work
Sensor complete machine carries out quickly abatement residual stress, achievees the purpose that pendulum sensor fast and stable, substantially reduces sensor
The stable period improves the stability of pendulum sensor, meets the growth requirement of China's earthquake monitoring stations and networks, makes earthquake
The more efficient the cause of earthquake prevention and disaster alleviation for serving China of monitoring instrument.
In addition, PC terminal, which can instruct external trigger, is sent to acquisition control unit, acquisition control unit is according to reception
To external trigger instruction make to vibrate the vibration of slide unit horizontal one-dimensional, and then vibrate oscillation gauge therewith.And vibrate slide unit
Displacement information is collected control unit again and receives the accuracy for guaranteeing to vibrate the displacement information of slide unit as feedback, ensure that pendulum
The safety and validity of formula sensor vibration timeliness fast and stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the fast and stable system that following examples provide；
Fig. 2 is the structural representation when pendulum sensor that embodiment provides uses the inclination sensor in vertical pendulum inclinometer
Figure；
Fig. 3 is the structural schematic diagram for the inclination leveling platform that following examples provide.
[description of symbols]
1: shake table；11: vibration slide unit；12: pedestal；13: electromagnetic exciter；14: displacement sensor；
2: inclination leveling platform；20: tilting table；21: workbench；22: fixed station: 221: arc track；23: handle；24: spiral shell
Bar；
3: pendulum sensor；31: swinging rack；311: fixed polar plate；32: swinging hanging mechanism；33: middle pendulum；
4: acquisition control unit；41: data collector；42: servo controller；43: power amplifier；
5:PC terminal.
Specific embodiment
It is with reference to the accompanying drawing, right by specific embodiment in order to understand in order to preferably explain the utility model
The utility model is described in detail.
Referring to Fig.1, the application provides a kind of fast and stable system of pendulum sensor for seismic monitoring instrument, including
Shake table 1, inclination leveling platform 2, pendulum sensor 3, acquisition control unit 4 and PC terminal 5.
Wherein, shake table 1 includes the vibration slide unit 11 that can be vibrated along one-dimensional horizontal direction, and inclination leveling platform 2 is located at vibration
On dynamic slide unit 11, pendulum sensor 3 is located on inclination leveling platform 2, and the deviational survey direction of pendulum sensor 3 and vibration slide unit 11
One-dimensional direction of vibration is consistent, and inclination leveling platform 2 is used to adjust the posture of pendulum sensor 3 so that pendulum sensor 3 is in work
Balance dotted state.Shake table 1 and PC terminal 5 are connect with acquisition control unit 4, and acquisition control unit 4 is according to collected vibration
The displacement information of dynamic slide unit 11 and the external trigger order-driven vibration slide unit 11 of PC terminal 5 vibrate.
Specifically, in practical applications, above-mentioned shake table 1 is placed directly on stable ground level, entire quickly steady
After the completion of determining system assembles, generally it is difficult to ensure that pendulum sensor 3 is just at functioning equalization state, it can all incline in the presence of certain
Rake angle.Therefore, it before the work of entire fast and stable system, needs to first pass through inclination leveling platform 2 and adjusts pendulum sensor 3
To functioning equalization dotted state, so that it, in work deviational survey range internal vibration, is that pendulum sensor 3 carries out vibration in work range
Fast and stable work provides necessary condition.It should be noted that the functioning equalization dotted state of pendulum sensor 3 mentioned here is
Refer to the state that the tilt quantity △ Ψ that following swinging racks 31 generates therewith is 0, certainly, in practical applications, by above-mentioned inclination
Angle is adjusted to can be considered in levelling range in functioning equalization dotted state, such as is adjusted to -0.05~0.05 degree, so that pendulum
Formula sensor 3 is preset in deviational survey range at it and is swung.
When entire fast and stable system work, 5 one side of PC terminal can send external trigger to acquisition control unit 4 and refer to
It enables, on the other hand receives and show the displacement information of vibration slide unit 11.Acquisition control unit 4 can receive the position of vibration slide unit 11
It moves information and is sent to PC terminal 5, while receiving the external trigger instruction of the transmission of PC terminal 5, then according to the displacement received
Information and external trigger instruction generate control signal to make needed for vibrating the offer pendulum sensor 3 of slide unit 11 according to the control signal
The horizontal one-dimensional vibration wanted, vibration slide unit 11 are vibrated along one-dimensional horizontal direction to drive inclination leveling platform 2 and pendulum sensor 3 same
When horizontal one-dimensional vibrate.Wherein, external trigger instruction here is directly inputted in PC terminal 5 by operator, citing
For, the instruction of this external trigger is generated according to the vibration parameters of preset Vibration Aging Process.
The application dexterously utilizes the cooperation of shake table 1 Yu acquisition control unit 4 as a result, gives birth in pendulum sensor 3 itself
After the completion of producing process and assemble, the whole object as oscillating aging carries out Vibration Aging Process, using the method pair of oscillating aging
3 complete machine of pendulum sensor carries out quickly abatement residual stress, achievees the purpose that 3 fast and stable of pendulum sensor, substantially reduces
The period of sensor stabilization improves the stability of pendulum sensor 3, and the development for meeting China's earthquake monitoring stations and networks needs
It asks, makes the cause of earthquake prevention and disaster alleviation for serving China that seismic monitoring instrument is more efficient.
In addition, PC terminal 5, which can instruct external trigger, be sent to acquisition control unit 4, acquisition control unit 4 is according to connecing
The external trigger instruction received makes to vibrate the vibration of 11 horizontal one-dimensional of slide unit, and then vibrates pendulum sensor 3 therewith.And it vibrates and slides
The displacement information of platform 11 is collected control unit 4 further through following displacement sensors 14 and receives as feedback to guarantee that vibration is slided
The accuracy of the displacement information of platform 11 ensure that the safety and validity of 3 oscillating aging fast and stable of pendulum sensor.
In practical applications, above-mentioned PC terminal 5 is also connect with pendulum sensor 3, for acquiring in real time and showing pendulum-type
The tilt angle information of sensor 3.
In this way, the tilt angle for intuitively understanding pendulum sensor 3 can be understood by PC terminal 5, entire quickly steady
After the completion of determining system assembles, according to the tilt angle of the display of PC terminal 5, so that it may directly using inclination leveling platform 2 to be adjusted
It is whole to arrive functioning equalization state, it is simpler, intuitive and conveniently.It is real by PC terminal 5 after entire fast and stable system starts
When the tilt angle of pendulum sensor 3 that shows, be capable of the posture of real-time monitoring pendulum sensor 3, also to guarantee that pendulum-type senses
The process that 3 complete machine oscillation of device eliminates residual stress is all completed in its deviational survey range ability, the effect of more one layer of safety guarantee, with
Prevent because vibrate slide unit 11 Oscillation Amplitude it is excessive due to whole process has exceeded its deviational survey range ability and causes some safety hidden
Suffer from.
For example, by taking the inclination sensor in following vertical pendulum inclinometers shown in Figure 2 as an example, swinging hanging mechanism
32 are generally elastomeric element, in order to reach inclination sensor high resolution (2x10-4Rad) requirement, the bullet of swinging hanging mechanism 32
Property component there was only 0.1 millimeter of thickness, the 311 gap very little of fixed polar plate of middle pendulum 33 and swinging rack 31 is only measured at 0.1 millimeter
Grade, the deviational survey range of inclination sensor is only 0.15 degree.Therefore, which eliminates the process of residual stress
Must in the deviational survey range ability of inclination sensor and have monitoring to displacement information system in complete；Otherwise fast and stable system
System is not only unable to complete the purpose of abatement sensor residual stress, it is also possible to directly damage inclination sensor.
In the specific embodiment of the application, above-mentioned shake table 1 further includes that pedestal 12, electromagnetic exciter 13 and displacement pass
Sensor 14.Vibration slide unit 11 is located on pedestal 12, and can be vibrated relative to pedestal 12 along one-dimensional horizontal direction.Electromagnetic exciter
13 and displacement sensor 14 be each attached on pedestal 12, and the mandril of electromagnetic exciter 13 with vibration slide unit 11 be fixedly connected, position
The probe of displacement sensor 14 is connect with vibration slide unit 11.Electromagnetic exciter 13 and displacement sensor 14 are also and acquisition control unit
4 connections.
Specifically, track is equipped on pedestal 12, vibration slide unit 11 is located at the top of track and can do one along the track
Tie up horizontal direction vibration.At work, electromagnetic exciter 13 can receive the control signal of acquisition control unit 4 to push up by it
Bar drives the horizontal one-dimensional vibration of vibration slide unit 11.And displacement sensor 14 is able to detect the change in displacement for vibrating slide unit 11 and will
Displacement information is sent to acquisition control unit 4, which is sent to by acquisition control unit 4 after receiving the displacement information
PC terminal 5, to allow the operator to the displacement information by the slide unit 11 of observation vibration in real time of PC terminal 5.
During specific implementation, above-mentioned acquisition control unit 4 includes data collector 41, servo controller 42 and function
Rate amplifier 43, data collector 41, power amplifier 43 and PC terminal 5 are connect with servo controller 42, data collector
41 also connect with displacement sensor 14, and power amplifier 43 is also connect with electromagnetic exciter 13.
Specifically, data collector 41 can acquire the displacement information that displacement sensor 14 detects, to monitor vibration
The displacement information of slide unit 11, and servo controller 42 is sent to as feedback signal.Servo controller 42 can receive PC terminal 5
External trigger vibrate and combine feedback signal, to adjust control signal, then send control signals to power amplifier 43.
After power amplifier 43 receives the control signal of servo controller 42, by its power amplification, it is then output to electromagnetic exciter
13, make its Qi Zhen, so that vibration slide unit 11 vibrates.
In practical applications, above-mentioned pendulum sensor 3 includes the sensor in pendulum-type seismometer, the biography in accelerometer
Inclination sensor in sensor or vertical pendulum inclinometer.By taking the inclination sensor in vertical pendulum inclinometer as an example, reference Fig. 2,
The inclination sensor includes swinging rack 31, swinging hanging mechanism 32 and middle pendulum 33, and swinging rack 31 is fixed on inclination leveling platform 2, pendulum
Symmetrically arranged two fixed polar plates 311 are fixed on bracket 31, one end of swinging hanging mechanism 32 is fixedly connected with middle pendulum 33, separately
One end is fixedly connected with swinging rack 31.
The geodetic inclination principle of the inclination sensor is as follows: middle pendulum 33 is acted on by terrestrial gravitation, remains vertical side
To.Locality is towards a direction tilt angle △ Ψ, and swinging rack 31 generates the tilt quantity of △ Ψ therewith, and middle pendulum 33 is made by gravity
With, vertical direction is still kept, the i.e. generation relative displacement of fixed polar plate 311 on middle pendulum 33 and swinging rack 31, ground inclination △ Ψ
So that pendulum 33 is generated relative displacement △ δ with the fixed polar plate 311 on swinging rack 31, passes through the fixed polar plate on measurement swinging rack 31
The 311 differential capacitor amounts constituted with middle pendulum 33, can measure this relative shift △ δ, and then realize the inclined purpose of geodetic.
Certainly, pendulum sensor 3 also can according to need the other sensors with vertical pendulum of selection, in this way, should
After pendulum sensor 3 is mounted on inclination leveling platform 2, the side of oscillating aging can be used using above-mentioned fast and stable system
Formula realizes the purpose of quickly abatement residual stress to pendulum sensor 3, simple and convenient.
Further, referring to Fig. 3, above-mentioned inclination leveling platform 2 includes the tilting table 20 of two mounted on top, each inclination
Platform 20 includes fixed station 22, workbench 21 and driving device, is fixed with arc track 221 on fixed station 22, workbench 21 passes through
Arc track 221 is connected with fixed station 22 and can reciprocatingly slide relative to arc track 221.Driving device is for driving work
Make platform 21 to slide relative to arc track 221, the fixed station 22 of one of tilting table 20 is fixed on another tilting table 20
On workbench 21.In practical application, the tune inclined direction of the two general tilting tables 20 is arranged in a mutually vertical manner, i.e., by following
The screw rod 24 of two tilting tables 20 is arranged in a mutually vertical manner to realize.
It should be noted that the tune inclined direction of above-mentioned two tilting table 20 is decided according to the actual requirements in same water
Orthogonal both direction in plane.For example, in practical applications, can using positive east-west direction as be located at top
The tune inclined direction of tilting table 20, and using positive North and South direction as the tune inclined direction for the tilting table 20 being positioned below, it puts at this time
The deviational survey direction of formula sensor 3 and the one-dimensional direction of vibration for vibrating slide unit 11 are that positive thing surveys item.
In this way, by the mutual cooperation of two tilting tables 20 and the sliding using workbench 21 relative to arc track 221,
Pendulum sensor 3 quickly can be adjusted to functioning equalization dotted state, so that it is in work deviational survey range internal vibration, it is pendulum-type
Sensor 3 carries out vibration fast and stable work in work range and provides necessary condition.
Specifically, fixed station 22 includes the shell with upward opening, shell upper end two sides are respectively fixed with curved track
Road 221, arc track 221 is interior to be equipped with arc groove.The two sides of the bottom of workbench 21 are respectively equipped with arc bump, and arc bump is inserted
It connects in arc groove and can arcuately track 221 reciprocatingly slide.
In practical applications, above-mentioned driving device includes screw rod 24, sliding part and handle 23, and sliding part is fixed on work
The bottom of platform 21, sliding part are arcuate structure and are uniformly provided with multiple gear teeth in the bottom surface of arcuate structure.Screw rod 24 and fixed station
22 shell is rotatably connected, and screw rod 24 is equipped at least partly screw thread, and screw thread and multiple gear teeth are intermeshed.Screw rod 24 stretches out
One end of the shell of fixed station 22 is fixedly connected with handle 23.
Wherein, since sliding part is arcuate structure, in real work only the gear teeth of its bottommost can on screw rod 24
Screw thread be meshed, can be meshed with the screw thread on screw rod 24 when the gear teeth of rest part only move to bottommost.Cause
This, is generally only machined with a bit of screw thread with the bottom place of being meshed of sliding part in screw rod 24 in the specific implementation process,
To simplify structure.It is generally arranged with bearing at the both ends of screw rod 24, the both ends of screw rod 24 pass through the shell of bearing and fixed station 22
It is rotatably connected, and stretches out the outside of shell after thering is one end to be rotatably connected with shell and be fixedly connected with handle 23.
In this way, handle 23 drives screw rod 24 to rotate after handle 23 rotates, on the screw thread engagement sliding part on screw rod 24
The rotation of the multiple gear teeth, the rotation of multiple gear teeth drive arc groove of the arc bump on workbench 21 arcuately in track 221
Sliding, and then make entire workbench 21 arcuately track 221 reciprocatingly slides, to realize the positive/negative inclination of workbench 21.As a result,
The positive/negative banking motion of workbench 21 can be accurately controlled by the positive/negative rotation of handle 23, it is simple and convenient.
Certainly, during specific implementation, above-mentioned inclination leveling platform 2 can also be realized using other frame modes,
The posture of pendulum sensor 3 is adjusted so that pendulum sensor 3 is in functioning equalization dotted state with fast and easy.The present embodiment is only
For example, to the structure for tilting leveling platform 2 and without limitation.
More than, it is only the preferred embodiment of the utility model, is not the limitation for doing other forms to utility model,
Any person skilled in the art is changed or is modified as equivalent variations possibly also with the technology contents of the disclosure above
Equivalent embodiment.But it is all without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to
Any simple modification, equivalent variations and remodeling, still fall within the protection scope of technical solutions of the utility model made by upper embodiment.
Claims (9)
1. a kind of fast and stable system of the pendulum sensor for seismic monitoring instrument, which is characterized in that including shake table
(1), inclination leveling platform (2), pendulum sensor (3), acquisition control unit (4) and PC terminal (5)；
The shake table (1) includes the vibration slide unit (11) that can be vibrated along one-dimensional horizontal direction；
Inclination leveling platform (2) is located on the vibration slide unit (11), and the pendulum sensor (3) is located at the inclination leveling
On platform (2), and the deviational survey direction of the pendulum sensor (3) is consistent with the vibration one-dimensional direction of vibration of slide unit (11), institute
It states inclination leveling platform (2) and is used to adjust the posture of the pendulum sensor (3) so that the pendulum sensor (3) is flat in work
Weigh dotted state；
The shake table (1) and the PC terminal (5) are connect with the acquisition control unit (4), the acquisition control unit
(4) according to the external trigger order-driven institute of the displacement information of collected vibration slide unit (11) and the PC terminal (5)
State vibration slide unit (11) vibration.
2. fast and stable system as described in claim 1, which is characterized in that
The PC terminal (5) also connect with the pendulum sensor (3), for acquiring in real time and showing the pendulum sensor
(3) tilt angle information.
3. fast and stable system as described in claim 1, which is characterized in that the shake table (1) further includes pedestal (12), electricity
Magnet exciter (13) and displacement sensor (14)；
The vibration slide unit (11) is located on the pedestal (12), and can be relative to the pedestal (12) along one-dimensional horizontal direction
Vibration；
The electromagnetic exciter (13) and institute's displacement sensors (14) are each attached on the pedestal (12), and the electromagnetism swashs
The mandril of vibration device (13) is fixedly connected with the vibration slide unit (11), and the probe of institute's displacement sensors (14) and the vibration are slided
Platform (11) connection；
The electromagnetic exciter (13) and institute's displacement sensors (14) are also connect with the acquisition control unit (4).
4. fast and stable system as claimed in claim 3, which is characterized in that the acquisition control unit (4) includes that data are adopted
Storage (41), servo controller (42) and power amplifier (43)；
The data collector (41), power amplifier (43) and PC terminal (5) are connect with the servo controller (42), institute
Data collector (41) is stated also to connect with institute's displacement sensors (14), the power amplifier (43) also with the electromagnetic exciting
Device (13) connection.
5. fast and stable system as described in claim 1, which is characterized in that
The pendulum sensor (3) includes that the sensor in pendulum-type seismometer, the sensor in accelerometer or vertical pendulum incline
Inclination sensor in oblique instrument.
6. fast and stable system as claimed in claim 5, which is characterized in that the inclination sensor include swinging rack (31),
Swinging hanging mechanism (32) and middle pendulum (33)；
The swinging rack (31) is fixed on inclination leveling platform (2), is fixed on the swinging rack (31) symmetrically arranged
Two fixed polar plates (311), one end of the swinging hanging mechanism (32) are fixedly connected with the middle pendulum (33), the other end with it is described
Swinging rack (31) is fixedly connected.
7. fast and stable system as described in claim 1, which is characterized in that inclination leveling platform (2) includes about two
The tilting table (20) stacked；
Each tilting table (20) includes fixed station (22), workbench (21) and driving device, is fixed on the fixed station (22)
Arc track (221), the workbench (21) are connected with the fixed station (22) by the arc track (221) and being capable of phases
It reciprocatingly slides for the arc track (221)；
The driving device is for driving the workbench (21) to slide relative to the arc track (221)；
The fixed station (22) of one of tilting table (20) is fixed on the workbench (21) of another tilting table (20).
8. fast and stable system as claimed in claim 7, which is characterized in that
The fixed station (22) includes the shell with upward opening, and shell upper end two sides are respectively fixed with the curved track
Road (221), the arc track (221) is interior to be equipped with arc groove；
The two sides of the bottom of the workbench (21) are respectively equipped with arc bump, and the arc bump is plugged in the arc groove
And it can reciprocatingly slide along the arc track (221).
9. fast and stable system as claimed in claim 8, which is characterized in that the driving device includes screw rod (24), sliding
Part and handle (23)；
The sliding part is fixed on the bottom of the workbench (21), and the sliding part is arcuate structure and the bottom in arcuate structure
Face is uniformly provided with multiple gear teeth；
The screw rod (24) and the shell of the fixed station (22) are rotatably connected, and the screw rod (24) is equipped at least partly spiral shell
Line, the screw thread and multiple gear teeth are intermeshed；
One end that the screw rod (24) stretches out the shell of the fixed station (22) is fixedly connected with the handle (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356970.3U CN209417311U (en) | 2019-03-20 | 2019-03-20 | A kind of fast and stable system of the pendulum sensor for seismic monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356970.3U CN209417311U (en) | 2019-03-20 | 2019-03-20 | A kind of fast and stable system of the pendulum sensor for seismic monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209417311U true CN209417311U (en) | 2019-09-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907111A (en) * | 2020-01-09 | 2020-03-24 | 东阳汉林传感器有限公司 | Automatic installation equipment for vibration testing machine sensor |
| US20220373428A1 (en) * | 2019-11-07 | 2022-11-24 | Suzhou Sushi Testing Group Co., Ltd. | Device for measuring and protecting horizontal slide table displacement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220373428A1 (en) * | 2019-11-07 | 2022-11-24 | Suzhou Sushi Testing Group Co., Ltd. | Device for measuring and protecting horizontal slide table displacement |
| CN110907111A (en) * | 2020-01-09 | 2020-03-24 | 东阳汉林传感器有限公司 | Automatic installation equipment for vibration testing machine sensor |
| CN110907111B (en) * | 2020-01-09 | 2020-07-31 | 南通市航天机电自动控制有限公司 | Automatic installation equipment for vibration testing machine sensor |
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Address after: 100085, Anning Road, Beijing, Haidian District, No. 1 Patentee after: National natural disaster prevention and Control Research Institute, Ministry of emergency management Address before: 100085, Anning Road, Beijing, Haidian District, No. 1 Patentee before: THE INSTITUTE OF CRUSTAL DYNAMICS, CHINA EARTHQUAKE ADMINISTRATION |
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