CN206757056U - A kind of seismometer mechanical pendulum and seismometer - Google Patents
A kind of seismometer mechanical pendulum and seismometer Download PDFInfo
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- CN206757056U CN206757056U CN201720558016.3U CN201720558016U CN206757056U CN 206757056 U CN206757056 U CN 206757056U CN 201720558016 U CN201720558016 U CN 201720558016U CN 206757056 U CN206757056 U CN 206757056U
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- seismometer
- reed
- mechanical pendulum
- weight
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Abstract
The utility model provides a kind of seismometer mechanical pendulum and seismometer, and seismometer mechanical pendulum includes：Mechanical pendulum free end and mechanical pendulum constraint end, free end include：Weight and fixed weight are swung, constraint end includes two reeds, and the outer surface of reed is provided with least two circular protrusions, and circular protrusions are used to install various sizes of standby reed to realize the regulation of intrinsic frequency；Fixed weight is installed between two reeds, is swung weight and is connected with two reed lower ends；Fixed blocks are additionally provided between two reeds, upper end of the fixed blocks respectively with two reeds is connected, the consistency of thickness of the thickness of fixed blocks and fixed weight；Mechanical pendulum is flexibly connected by fixed blocks with the support of seismometer, is freely swung with realizing；It is simple in construction and the advantages of seismometer intrinsic frequency can be adjusted that the utility model is that inner provided seismometer mechanical pendulum has.
Description
Technical field
Seismometer technical field is the utility model is related to, in particular to a kind of seismometer mechanical pendulum and seismometer.
Background technology
At present, seismometer is the sseismograph device that must be used in Modern seismic platform net, seismometer machinery of the prior art
Put complicated, the free end of mechanical pendulum is assembled by numerous parts, is carried out in use if necessary to carry out zero
Part is changed or dismounting, and workload can be bigger, and installs complicated；And due to being the combination of multiple parts, therefore producing
When or using when measurement error can be made to increase accordingly due to error accumulation effect, nor be easy to carry；And make
Be also faced with during a problem be exactly mechanical pendulum intrinsic frequency it is unadjustable, and then influence seismometer use range.
The content of the invention
In view of this, the purpose of the utility model embodiment is to provide a kind of seismometer mechanical pendulum and seismometer, with solution
Certainly above mentioned problem.
In a first aspect, the utility model embodiment provides a kind of seismometer mechanical pendulum, including：Mechanical pendulum free end and
Mechanical pendulum constrains end, and the free end includes：Weight and fixed weight are swung, the constraint end includes two reeds,
The outer surface of the reed is provided with least two circular protrusions, the circular protrusions be used to installing various sizes of standby reed with
Realize the regulation of intrinsic frequency；
The fixed weight is installed between described two reeds, and the swing weight is connected with described two reed lower ends
Connect；Fixed blocks are additionally provided between described two reeds, upper end of the fixed blocks respectively with described two reeds is connected
Connect, the consistency of thickness of the thickness of the fixed blocks and the fixed weight；The mechanical pendulum passes through the fixed blocks and ground
The support of shake meter is flexibly connected, and is freely swung with realizing.
The first possible embodiment of first aspect is provided with reference to first aspect the utility model embodiment, its
In：
The reed is in the square frame-shaped of opening, including two vertical frames and a horizontal frame；
Described two vertical jamb surfaces are symmetrically arranged with two circular protrusions；
The first manhole and the second manhole are respectively arranged with the bottom comer of described two vertical frames；
The both ends of the horizontal frame are respectively arranged with the 3rd manhole and the 4th manhole.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In：
The reed is in I-shaped, and the centre position of the reed is provided with a rectangular through holes, two of the reed
Two circular protrusions are respectively arranged with frame；
The upper end of the reed is provided with two the 5th manholes, and the lower end of the reed is provided with two the 6th circles
Through hole.
With reference to the first possible second of possible reality of embodiment or first aspect of first aspect, first aspect
When mode, the utility model embodiment provides the third possible embodiment of first aspect, wherein：
Two manholes are provided with the fixed blocks；
The fixed blocks are attached with described two reeds by pin.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In：
The fixed blocks are provided at both ends with circular groove, and the fixed blocks are fixedly mounted by the circular groove
In on the round end projection of the seismometer support.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In：
Coupled on the swing weight, between the fixed weight and described two reeds by pin.
With reference to first aspect, the first possible embodiment, the utility model embodiment provide the 6th of first aspect
The possible embodiment of kind, wherein：
First circular hole, second circular hole, the diameter of the 3rd circular hole and the 4th circular hole are 3.5 millis
Rice；The length of the vertical frame is 38.5 millimeters, and the width at the turning is 6 millimeters.
With reference to the 6th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Seven kinds of possible embodiments, wherein：
The width of the vertical frame is 2-5 millimeters.
With reference in a first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect, its
In：
The reed is fabricated by beryllium-bronze.
Second aspect, the utility model embodiment, there is provided a kind of seismometer, the seismometer include：Any of the above-described reality
Apply the seismometer mechanical pendulum described in mode.
A kind of seismometer mechanical pendulum and seismometer that the utility model embodiment is provided, the free end bag of mechanical pendulum
Include：Weight and fixed weight are swung, the constraint end of mechanical pendulum includes two reeds, and the outer surface of reed is provided with least two circles
Shape is raised, and the circular protrusions are used to install various sizes of standby reed, to realize the regulation that intrinsic frequency is carried out to seismometer；
Seismometer mechanical pendulum provided in the present embodiment is made up of swing weight, fixed weight and two reeds, simple in construction, installation
With it is easy to use, because structure is simplified relative to mechanical pendulum structure of the prior art, reduce and producing and using
Error accumulation effect formed in process, is easy to carry, facilitates staff to use simultaneously；And the earthquake in the present embodiment
Intrinsic frequency can be adjusted by installing various sizes of standby reed on reed in meter mechanical pendulum, avoid prior art
In seismometer use during the existing nonadjustable problem of frequency.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings
Fig. 1 shows a kind of structural representation for seismometer mechanical pendulum that the utility model embodiment 1 is provided；
Fig. 2 shows that a kind of seismometer mechanical pendulum that the utility model embodiment 1 is provided fixes the structural representation of weight
Figure；
Fig. 3 shows a kind of structural representation for seismometer mechanical pendulum reed that the utility model embodiment 1 is provided；
Fig. 4 shows a kind of structural representation for seismometer mechanical pendulum reed that the utility model embodiment 2 is provided；
Reference is as follows：
11- swings weight；12- fixes weight；13- reeds；14- circular protrusions；The manholes of 15- first；16- second justifies
Shape through hole；The manholes of 17- the 3rd；The manholes of 18- the 4th；The manholes of 19- the 5th；The manholes of 20- the 6th；21- is erected
To frame；22- transverse direction frames；23- turnings；24- rectangular through holes.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described
Embodiment be only the utility model part of the embodiment, rather than whole embodiment.Generally here described in accompanying drawing
It can be configured with the component of the utility model embodiment shown with a variety of to arrange and design.Therefore, below to
The detailed description of the embodiment of the present utility model provided in accompanying drawing is not intended to limit claimed model of the present utility model
Enclose, but be merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model, those skilled in the art exist
The every other embodiment obtained on the premise of not making creative work, belong to the scope of the utility model protection.
At present, seismometer is the prerequisite sseismograph device in Modern seismic platform net, seismometer of the prior art, its
Mechanical pendulum is formed by multiple assembling parts, complicated, and intrinsic frequency is unadjustable in use, limits what it was used
Scope；In view of this, the utility model embodiment provides a kind of seismometer mechanical pendulum, has advantage simple in construction, and energy
It is enough to carry out regulation to its intrinsic frequency by adjusting the reed of mechanical pendulum.
Below by specific embodiment this programme is discussed in detail.
Embodiment one
Embodiment as shown in Figure 1, a kind of seismometer mechanical pendulum is provided in the present embodiment, including：Mechanical pendulum free end
Portion and mechanical pendulum constraint end, mechanical pendulum free end and mechanical pendulum constraint end are functionally divided according to it, machine
The support of tool pendulum constraint end and seismometer is connected, and for constraining mechanical pendulum, mechanical pendulum free end can be freely swung,
Wherein, the free end includes：Weight 11 and fixed weight 12 are swung, the constraint end includes two reeds 13, each reed
13 outer surface is provided with least two circular protrusions 14, and the circular protrusions 14 are used to install various sizes of standby reed, passed through
Various sizes of standby reed is installed to obtain different seismometer intrinsic frequencies, and then realizes the tune to seismometer intrinsic frequency
Section, meets the needs of its application；
Above-mentioned standby reed can be set to rectangular sheet shape, and each various sizes of standby reed is corresponding different
Intrinsic frequency, only needing to install different reeds when seismometer needs adjust intrinsic frequency in use can
With；
Above-mentioned fixed weight 12 is installed between two reeds 13, is swung weight 11 and is connected with the lower end of two reeds 13
Connect；
Be additionally provided with fixed blocks between above-mentioned two reed 13, the fixed blocks respectively with two above-mentioned reeds 13
Upper end is connected, and the thickness of fixed blocks is consistent with the thickness of fixed weight 12；Mechanical pendulum passes through the fixed blocks
It is flexibly connected with the support of seismometer, to realize freely swinging for free end.
As shown in Figure 2 and Figure 3, fixed weight 12 is in cubic shaped, and swing weight 11 can also be arranged to cube shaped
Shape, or other shapes, swing and be provided with four manholes on weight 11, four circles are also equipped with corresponding fixed weight
Shape through hole；Further, above-mentioned reed is in the square frame-shaped of opening, including two vertical 21 and one horizontal frames 22 of frame,
Two circular protrusions 14 are symmetrically arranged with two vertical jamb surfaces, for installing standby reed；Above-mentioned two vertical edges
The bottom of frame is respectively arranged with the turning 23 towards scuncheon, and it is circular logical that the first manhole 15 and second is provided with turning
Hole 16；The both ends of above-mentioned horizontal frame are respectively arranged with the 3rd manhole 17 and the 4th manhole 18；The freedom of mechanical pendulum
When installing fixed, the order of installation is to swing weight, reed, fixed weight and reed successively, is set on the swing weight at end
Four manholes are equipped with, four manholes also are provided with fixed weight, wherein, two circles positioned at the two for swinging weight
Hole, two circular holes positioned at fixed weight two, and the first manhole of two reeds, the second manhole phase interworking
Close, be attached together by pin；Swing two manholes among weight and two circles among fixed weight
Through hole cooperates, and is attached also by pin.
Two manholes are also equipped with above-mentioned fixed blocks, the fixed blocks and the 3rd circle of two reeds are logical
Hole, the 4th manhole coordinate, and are attached by pin.
Further, above-mentioned fixed blocks are provided at both ends with circular groove, the inner surface of circular groove be it is smooth,
The fixed blocks are fixedly installed on the round end projection of seismometer support by circular groove, and the spherical nose is positioned over above-mentioned circle
In connected in star, fixed blocks can be rotated freely, and then mechanical pendulum can freely swing.
The intrinsic frequency of seismometer is to influence the very great key factor of seismometer measurement work, if intrinsic frequency compared with
Height, resilient suspension system can have larger rigidity, good mechanical stability, be advantageous to transport, and big dynamic range of signals is wide, but shortcoming
It is that depth of feedback is excessive, higher requirement can be proposed to the low frequency intrinsic noise of circuit, so needs to control intrinsic frequency to make it
In suitable scope.
In above-described embodiment, it is preferable that the first circular hole, the second circular hole, the 3rd circular hole and the described 4th circle of reed are set
The diameter in hole is 3.5 millimeters；The length of the vertical frame is 38.5 millimeters, and the width at the turning is 6 millimeters, is set in addition
Putting makes the width of vertical frame be 2-5 millimeters, and now the intrinsic frequency of seismometer is close to 6, close to optimum performance state, category
In the range of regulation is easiest to, and now because in addition to reed, the size of the other structures of mechanical pendulum is fixed, work people
Member only needs to can be carried out intrinsic frequency by installing different standby reeds to adjust the dimensional parameters of reed when in use
Regulation, it is simple and easy.
The mechanical pendulum that the present embodiment is provided, is simplified in structure, and disclosure satisfy that intrinsic frequency is adjustable.
Embodiment two
Embodiment as shown in Figure 4, reed 13 in the present embodiment are provided with one in I-shaped in the centre position of reed
Rectangular through holes 24, are respectively arranged with two circular protrusions 14 on two frames of reed, and the circular protrusions are used to install not
With the standby reed of size, and then adjust the purpose of seismometer intrinsic frequency.
The upper end of above-mentioned reed is provided with two the 5th manholes 19, and the lower end of reed is provided with two the 6th circles
Through hole 20；Now the 5th manhole 19 of the reed, the 6th manhole and the manhole on fixed weight, swing weight
On manhole coordinate, be fixedly connected by pin.
Embodiment three
A kind of seismometer is provided in the present embodiment, the seismometer includes the seismometer being previously mentioned in any of the above-described embodiment
Mechanical pendulum, the seismometer mechanical pendulum include：Mechanical pendulum free end and mechanical pendulum constraint end, the free end include：Swing
Weight 11 and fixed weight 12, the constraint end include two reeds 13, and the outer surface of reed 13 is circular convex provided with least two
14 are played, the circular protrusions 14 are used to install various sizes of standby reed, to realize the regulation of intrinsic frequency；Above-mentioned fixed weight
12 are installed between two reeds 13, swing weight 11 and are connected with the lower end of two reeds 13；
Fixed blocks are additionally provided between above-mentioned two reed 13, the fixed blocks are upper with two above-mentioned reeds respectively
End is connected, and the thickness of fixed blocks is consistent with the thickness of fixed weight；Mechanical pendulum passes through the fixed blocks and ground
The support of shake meter is flexibly connected, and is freely swung with realizing.
Swing and be provided with four manholes on weight 11, four manholes are also equipped with corresponding fixed weight；
In a certain specific embodiment, above-mentioned reed is in the square frame-shaped of opening, including two vertical frames and a horizontal frame, at two
Two circular protrusions are symmetrically arranged with vertical jamb surface, for installing standby reed；The bottom of the vertical frame of above-mentioned two
End is respectively arranged with the turning towards scuncheon, and the first manhole and the second manhole are provided with turning；Above-mentioned horizontal stroke
The 3rd manhole and the 4th manhole are respectively arranged with to the both ends of frame；When mounted, install the free end of mechanical pendulum
Order be to swing weight, reed, fixed weight and reed successively, two circular holes, fixed weight positioned at the two for swinging weight
Hammer two circular holes at two into shape, and the first manhole of two reeds, the second manhole cooperate, and are carried out by pin
Connect together；Two manholes among weight are swung with two manholes among fixed weight also by pin to enter
Row connection.
Two manholes are also equipped with above-mentioned fixed blocks, the fixed blocks and the 3rd circle of two reeds are logical
Hole, the 4th manhole coordinate, and are attached also by pin.
Further, above-mentioned fixed blocks are provided at both ends with circular groove, and the fixed blocks are consolidated by circular groove
On round end projection of the Dingan County loaded on seismometer support, the spherical nose is located in circular groove, and fixed blocks can be rotated freely,
And then mechanical pendulum can freely swing.
The intrinsic frequency of seismometer on earthquake meter measure work in influence very great key factor, if intrinsic frequency compared with
Height, resilient suspension system can have larger rigidity, good mechanical stability, be advantageous to transport, and big dynamic range of signals is wide, but shortcoming
It is that depth of feedback is excessive, higher requirement can be proposed to the low frequency intrinsic noise of circuit, so needs to control intrinsic frequency to make it
In suitable scope；The seismometer that the present embodiment is provided have it is simple in construction, be easy to carry and be convenient for intrinsic frequency
The good effect of rate regulation.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose.It should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
1. a kind of seismometer mechanical pendulum, including：Mechanical pendulum free end and mechanical pendulum constraint end, it is characterised in that it is described from
Included by end：Weight and fixed weight are swung, the constraint end includes two reeds, and the outer surface of the reed is provided with extremely
Few two circular protrusions, the circular protrusions are used to install various sizes of standby reed to realize the regulation of intrinsic frequency；
The fixed weight is installed between described two reeds, and the swing weight is connected with described two reed lower ends；
Fixed blocks are additionally provided between described two reeds, upper end of the fixed blocks respectively with described two reeds is connected,
The consistency of thickness of the thickness of the fixed blocks and the fixed weight；The mechanical pendulum passes through the fixed blocks and seismometer
Support be flexibly connected, with realize freely swing.
2. seismometer mechanical pendulum according to claim 1, it is characterised in that the reed is in the square frame-shaped of opening, including
Two vertical frames and a horizontal frame；
Described two vertical jamb surfaces are symmetrically arranged with two circular protrusions；
The first manhole and the second manhole are respectively arranged with the bottom comer of described two vertical frames；
The both ends of the horizontal frame are respectively arranged with the 3rd manhole and the 4th manhole.
3. seismometer mechanical pendulum according to claim 1, it is characterised in that the reed in I-shaped, the reed
Centre position is provided with a rectangular through holes, and two circular protrusions are respectively arranged with two frames of the reed；
The upper end of the reed is provided with two the 5th manholes, and the lower end of the reed is provided with two the 6th circles and led to
Hole.
4. according to any described seismometer mechanical pendulums of claim 1-3, it is characterised in that be provided with two in the fixed blocks
Individual manhole；
The fixed blocks are attached with described two reeds by pin.
5. seismometer mechanical pendulum according to claim 1, it is characterised in that the fixed blocks are provided at both ends with circle
Groove, the fixed blocks are fixedly installed in by the circular groove on the round end projection of the seismometer support.
6. seismometer mechanical pendulum according to claim 1, it is characterised in that it is described swing weight on, the fixed weight
Coupled between described two reeds by pin.
7. seismometer mechanical pendulum according to claim 2, it is characterised in that the first circular circular hole, second circle
Shape circular hole, the diameter of the 3rd circular circular hole and the 4th circular circular hole are 3.5 millimeters；The length of the vertical frame
For 38.5 millimeters, the width at the turning is 6 millimeters.
8. seismometer mechanical pendulum according to claim 7, it is characterised in that the width of the vertical frame is 2-5 millimeters.
9. seismometer mechanical pendulum according to claim 1, it is characterised in that the reed is fabricated by beryllium-bronze.
10. a kind of seismometer, it is characterised in that the seismometer includes：Any described seismometer machineries of claim 1-9
Pendulum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558016.3U CN206757056U (en) | 2017-05-18 | 2017-05-18 | A kind of seismometer mechanical pendulum and seismometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558016.3U CN206757056U (en) | 2017-05-18 | 2017-05-18 | A kind of seismometer mechanical pendulum and seismometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757056U true CN206757056U (en) | 2017-12-15 |
Family
ID=60619254
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558016.3U Expired - Fee Related CN206757056U (en) | 2017-05-18 | 2017-05-18 | A kind of seismometer mechanical pendulum and seismometer |
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| Country | Link |
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| CN (1) | CN206757056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709600A (en) * | 2019-03-06 | 2019-05-03 | 防灾科技学院 | Reaction type earthquake vibration pickup mechanical pendulum and its design method |
| CN114200515A (en) * | 2021-12-15 | 2022-03-18 | 浙江大学 | Device and method for adjusting inherent period of seismic picking system of broadband seismometer |
-
2017
- 2017-05-18 CN CN201720558016.3U patent/CN206757056U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709600A (en) * | 2019-03-06 | 2019-05-03 | 防灾科技学院 | Reaction type earthquake vibration pickup mechanical pendulum and its design method |
| CN114200515A (en) * | 2021-12-15 | 2022-03-18 | 浙江大学 | Device and method for adjusting inherent period of seismic picking system of broadband seismometer |
| CN114200515B (en) * | 2021-12-15 | 2022-08-23 | 浙江大学 | Device and method for adjusting inherent period of seismic picking system of broadband seismometer |
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