CN207571317U - Without adjusting horizontal seismometer pendulum mass - Google Patents
Without adjusting horizontal seismometer pendulum mass Download PDFInfo
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- CN207571317U CN207571317U CN201721577078.5U CN201721577078U CN207571317U CN 207571317 U CN207571317 U CN 207571317U CN 201721577078 U CN201721577078 U CN 201721577078U CN 207571317 U CN207571317 U CN 207571317U
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- pendulum mass
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- stent
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Abstract
The utility model provides a kind of seismometer pendulum mass without adjusting level, and including pendulum mass stent, pendulum, null setting, zero testing and control circuit, magnetic steel component, magnetic steel component is set to pendulum mass internal stent；Pendulum is connected by pendulum mass reed, reed installing plate, null setting with pendulum mass stent.Pendulum mass reed includes being divided into two groups of pendulum mass stent arranged on left and right sides, totally four reeds, the upper end of two groups of reeds is fixedly connected respectively with the arranged on left and right sides fixing end of pendulum, and the lower end of two groups of reeds is connected by reed installing plate, null setting with pendulum mass stent.The utility model without levelling device additionally be configured, can any angle installation, adjust automatically pendulum mass to normal operating conditions, accuracy of detection that is simple in structure, can ensureing seismometer is applied widely.
Description
Technical field
The utility model is related to a kind of seismometer pendulum mass, more particularly to a kind of without adjusting horizontal seismometer pendulum mass.
Background technology
Existing seismometer after being installed in working environment, generally requires and carries out leveling, zeroing before operation, with
Seismometer is adjusted to horizontal normal operating conditions.When wherein, leveling refers to pendulum mass being adjusted to seismometer original installation
Horizontal direction is installed, seismometer, which is positioned on horizontal plane, carries out original installation；Zeroing is to carry out zero-bit adjustment to seismometer pendulum mass,
Capacitor plate is adjusted to zero-bit state.
It, generally can be by manual adjustment lower margin come real for being installed on the seismometer being easy for workers in the working environment of operation
Existing leveling；For the seismometer being installed under the working environments such as deep-well, seabed, manual adjustment difficulty is also impossible to realize greatly, needs
The levelling devices such as dedicated gimbal, horizontalization pedestal are made for seismometer to realize leveling, it is not only complicated, volume is huge
Greatly, levelling range is limited, realizes that cost is high, and power consumption is high, increases seismometer overall design difficulty so as to reduce earthquake
The functional reliability of meter, meanwhile, the structure of levelling device can cause seismometer additional high-frequency parasitic resonance and coupled problem,
Directly influence the accuracy of detection of seismometer.
Utility model content
In view of the foregoing, the purpose of this utility model is to provide a kind of without adjusting horizontal seismometer pendulum mass, nothing
Levelling device need to additionally be configured, can any angle installation, adjust automatically pendulum mass to normal operating conditions, simple in structure, Neng Goubao
The accuracy of detection of seismometer is demonstrate,proved, it is applied widely.
To achieve the above object, the utility model uses following technical scheme：
It is a kind of without adjusting horizontal seismometer pendulum mass, including pendulum mass stent, pendulum, pendulum mass reed, null setting,
The pendulum mass reed includes being divided into two groups of reeds of the pendulum mass stent both sides, the upper ends of two groups of reeds respectively with the pendulum
The two side ends of hammer are fixedly connected, and the lower end of two groups of reeds is connected by null setting with the pendulum mass stent.
Every group of reed includes two reeds.
The seismometer pendulum mass horizontal without adjusting, further includes zero testing and control circuit,
Be fixed with the first capacitance movable plate, the second capacitance movable plate on the pendulum, on the pendulum mass stent with first capacitance
Movable plate, the second corresponding position of capacitance movable plate are fixed with capacitance fixed board,
The zero testing and control circuit are used to detect the zero-bit of the first capacitance movable plate, the second capacitance movable plate and capacitance fixed board
State, and pass through and the null setting is controlled to act, pendulum mass is adjusted to zero-bit state.
The null setting includes zeroing motor, driving wheel group, zeroing screw rod, guide rod, the zero testing and control
The signal output end of circuit is connected with the control terminal of the zeroing motor, and the power output end of the zeroing motor passes through the drive
Group is connect with zeroing screw rod, guide rod, the zeroing motor action, can drive the zeroing screw rod, guide rod action.
The lower end of two groups of reeds passes through a reed installing plate and zeroing screw rod, the guide rod and pendulum mass branch
Frame is connected, the zeroing motor action, drives the zeroing screw rod, guide rod action, drive two groups of reeds, pendulum,
First capacitance movable plate, the action of the second capacitance movable plate, and pendulum mass is adjusted to normal working condition.
The pendulum mass reed is equipped with reinforcing plate.
Without adjusting horizontal seismometer pendulum mass, magnetic steel component is further included, which is set to the pendulum mass stent
It is internal.
The utility model has the advantages that：
1st, the seismometer pendulum mass of the utility model without levelling device is additionally configured, simplifies seismometer overall structure, drops
Low power consumption, reduces seismological observation difficulty, can ensure the accuracy of detection of seismometer；
2nd, the seismometer pendulum mass of the utility model, can any angle installation, adjust automatically pendulum mass to normal operating conditions, ring
Border is adaptable；
3rd, the seismometer pendulum mass of the utility model can be individually configured to horizontal point and be used to vertical point to pendulum mass, structure
Simply, compact, configuration is flexible, applied widely；
4th, the seismometer pendulum mass of the utility model when pendulum mass tilts, is only acted on and tilted the angle of very little by plumb-bob gravity
Degree, structural stability is strong, without configuration lock swinging mechanism, levelling device, is installed on any angle, can be normal after need to only returning to zero
Work.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the seismometer pendulum mass of the utility model.
Fig. 2 is the dimensional structure diagram at another visual angle of the seismometer pendulum mass of the utility model.
Fig. 3 is the side view of the seismometer pendulum mass of the utility model.
Fig. 4 is the sectional view of line A-A in Fig. 3.
Fig. 5 is the vertical view of the seismometer pendulum mass of the utility model.
Fig. 6 is the bottom view of the seismometer pendulum mass of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with drawings and examples.
As shown in figures 1 to 6, the utility model is disclosed without adjusting horizontal seismometer pendulum mass, including pendulum mass stent 1, pendulum
Hammer 2, null setting 3, zero testing and control circuit, magnetic steel component 4, magnetic steel component 4 are set to inside pendulum mass stent 1.
Pendulum 2 is connected by pendulum mass reed 5, reed installing plate 6, null setting 3 with pendulum mass stent 1.Specifically, it puts
Body reed 5 includes being divided into two groups of 1 arranged on left and right sides of pendulum mass stent, totally four reeds, the upper ends of two groups of reeds respectively with pendulum
2 arranged on left and right sides fixing end is fixedly connected, and the lower end of two groups of reeds passes through reed installing plate 6, null setting and pendulum mass stent 1
It is connected.
Null setting 3 is installed on 1 lower part of pendulum mass stent by fixed mounting plate, and null setting 3 includes zeroing motor 33, passes
Driving wheel group 34, zeroing screw rod 31, guide rod 32, the power output end for the motor 33 that returns to zero pass through driving wheel group 34 and zeroing screw rod
31st, guide rod 32 connects, and zeroing motor 33 acts, can drive zeroing screw rod 31, guide rod 32 and reed installing plate 6 to the left or
It acts to the right.
Zeroing motor 33 acts, and driving wheel group 34 puts down the left and right for being converted into zeroing screw rod 31 for the motor 32 that returns to zero
Dynamic, respectively one piece of reed installing plate 6 of connection, the left and right translation of zeroing screw rod 31 pass through guide rod 32 for the left and right ends for the screw rod 31 that returns to zero
6 or so the action of guidance tape movable contact spring installing plate；Since pendulum 2 is connect by pendulum mass reed 5 with reed installing plate 6, so as to spring
The left and right action of piece installing plate 6 drives the left and right action of pendulum 2.
Zero testing and control circuit are used to detect the zero-bit state of seismometer pendulum mass.The letter of zero testing and control circuit
Number output terminal is connected with the control terminal for the motor 33 that returns to zero, when seismometer pendulum mass is in nonzero digit state, zero testing and control
Circuit control zeroing motor 33 processed acts, and the gearing through driving wheel group 34, return to zero screw rod 31, guide rod 32 drives pendulum mass
Reed 5 and pendulum 2 act, and the position by adjusting pendulum mass reed 5, pendulum 2 adjusts seismometer pendulum mass to zero-bit state.Specifically
Say：
The arranged on left and right sides end of pendulum 2 has been respectively fixedly connected with the first capacitance movable plate 8, the second capacitance movable plate 9, pendulum mass stent 1
It is upper to be arranged with the first capacitance fixed board 10, the second capacitance fixed board with the first capacitance movable plate 8,9 corresponding position of the second capacitance movable plate
11, the first capacitance fixed board 10 connect to form a capacitance fixed board by conducting wire with the second capacitance fixed board 11.When seismometer is in
During zero-bit state, it is mutually parallel between capacitance fixed board and the first capacitance movable plate 8,9 three of the second capacitance movable plate, and capacitance fixed board arrives
The distance of first capacitance movable plate 8 is equal to capacitance fixed board to the distance of the second capacitance movable plate 9, i.e. capacitance fixed board and the first capacitance movable plate
Capacitance (C1) between 8 is equal with the capacitance (C2) between capacitance fixed board and the second capacitance movable plate 9；
Zero testing and control circuit include the capacitive displacement detection unit for detecting seismometer pendulum mass zero-bit state, should
Capacitive displacement detection unit is used to detect capacitance C1, capacitance fixed board and the second capacitance between capacitance fixed board and the first capacitance movable plate
Capacitance C2 between movable plate, as C1 ≠ C2, zero testing and control circuit control zeroing motor 33 act, and drive driving wheel group
34th, zeroing screw rod 31, guide rod 32 act, and pendulum mass reed 5 and pendulum 2 are driven to act to the left or to the right, and then drive and pendulum 2
Fixed first capacitance movable plate 8, the action of 9 relative capacity fixed board of the second capacitance movable plate, adjustment capacitance fixed board is in the first capacitance movable plate
8th, the position between the second capacitance movable plate 9, during adjustment, when capacitive displacement detection unit detects C1=C2, zero-bit inspection
It surveys and control circuit control zeroing motor 33 stopping action, the zeroing process of completion seismometer pendulum mass, seismometer pendulum mass is in just
Normal working condition.
Pendulum mass reed 5 is equipped with reinforcing plate 7, for strengthening the intensity of pendulum mass reed 5.Pendulum mass reed is by 3J58 elastic alloys
Material is made, and on the one hand two groups of reeds can ensure the normal detection work of seismometer pendulum mass, on the other hand can support pendulum
2, realize the adjustment of pendulum mass position.
The above is the preferred embodiment of the utility model and its technical principle used, for the technology of this field
It is any to be based on technical solutions of the utility model base in the case of the spirit and scope without departing substantially from the utility model for personnel
Equivalent transformation, simple replacement on plinth etc. obviously change, and belong within scope of protection of the utility model.
Claims (7)
1. without adjusting horizontal seismometer pendulum mass, which is characterized in that including pendulum mass stent, pendulum, pendulum mass reed, zeroing machine
Structure,
The pendulum mass reed includes being divided into two groups of reeds of the pendulum mass stent both sides, the upper ends of two groups of reeds respectively with the pendulum
Two side ends are fixedly connected, and the lower end of two groups of reeds is connected by null setting with the pendulum mass stent.
It is 2. according to claim 1 without adjusting horizontal seismometer pendulum mass, which is characterized in that every group of reed includes two
Reed.
It is 3. according to claim 2 without adjusting horizontal seismometer pendulum mass, which is characterized in that further include zero testing and
Control circuit,
Be fixed with the first capacitance movable plate, the second capacitance movable plate on the pendulum, on the pendulum mass stent with the first capacitance movable plate,
The second corresponding position of capacitance movable plate is fixed with capacitance fixed board,
The zero testing and control circuit are for the first capacitance movable plate of detection, the zero-bit shape of the second capacitance movable plate and capacitance fixed board
State, and pass through and the null setting is controlled to act, pendulum mass is adjusted to zero-bit state.
It is 4. according to claim 3 without adjusting horizontal seismometer pendulum mass, which is characterized in that the null setting includes
Return to zero motor, driving wheel group, zeroing screw rod, guide rod, the signal output end and the zeroing of the zero testing and control circuit
The control terminal of motor is connected, and the power output end of the zeroing motor is connect by the driving wheel group with zeroing screw rod, guide rod,
The zeroing motor action can drive the zeroing screw rod, guide rod action.
It is 5. according to claim 4 without adjusting horizontal seismometer pendulum mass, which is characterized in that under two groups of reeds
End is connected by a reed installing plate and the zeroing screw rod, guide rod with the pendulum mass stent, the zeroing motor
Make, drive the zeroing screw rod, guide rod action, two groups of reeds, pendulum, the first capacitance movable plate, the second capacitance is driven to move
Plate acts, and pendulum mass is adjusted to normal working condition.
It is 6. according to claim 5 without adjusting horizontal seismometer pendulum mass, which is characterized in that be set on the pendulum mass reed
There is reinforcing plate.
It is 7. according to claim 1 without adjusting horizontal seismometer pendulum mass, which is characterized in that magnetic steel component is further included,
The magnetic steel component is set to the pendulum mass internal stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721577078.5U CN207571317U (en) | 2017-11-22 | 2017-11-22 | Without adjusting horizontal seismometer pendulum mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721577078.5U CN207571317U (en) | 2017-11-22 | 2017-11-22 | Without adjusting horizontal seismometer pendulum mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571317U true CN207571317U (en) | 2018-07-03 |
Family
ID=62691444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721577078.5U Active CN207571317U (en) | 2017-11-22 | 2017-11-22 | Without adjusting horizontal seismometer pendulum mass |
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|---|---|
| CN (1) | CN207571317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783178A (en) * | 2017-11-22 | 2018-03-09 | 中国地震局地震预测研究所 | Without adjusting horizontal seismometer pendulum mass |
-
2017
- 2017-11-22 CN CN201721577078.5U patent/CN207571317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783178A (en) * | 2017-11-22 | 2018-03-09 | 中国地震局地震预测研究所 | Without adjusting horizontal seismometer pendulum mass |
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