CN205920226U

CN205920226U - Geophone spring leaf

Info

Publication number: CN205920226U
Application number: CN201620808593.9U
Authority: CN
Inventors: 荆兰锋; 晏伟; 荆平亮; 李浩淼; 薛继涛; 刘洋洋
Original assignee: ZHUOZHOU CHANGDI PETROLEUM INSTRUMENT CO Ltd
Current assignee: ZHUOZHOU CHANGDI PETROLEUM INSTRUMENT CO Ltd
Priority date: 2016-07-29
Filing date: 2016-07-29
Publication date: 2017-02-01
Anticipated expiration: 2026-07-29

Abstract

The utility model relates to a geophone field especially relates to a geophone spring leaf. The utility model discloses an inner circle, centre circle and outer lane, inner circle and centre circle between set up two casual labourers muscle of planting, centre circle and outer lane between set up three length of branch technology muscle, the casual labourer plant muscle and farm labourer and plant the muscle and use the centre of a circle of spring leaf to distribute as the basic point annular, two casual labourers line between the muscle head and the tail of planting, its contained angle between two liang is 180, three length of branch technology muscle head and the tail between the line, its contained angle between two liang is 120. The utility model provides a geophone spring leaf has improved the spurious frequency of spring leaf to natural frequency's ratio greatly, does not harm the linear characteristic of spring leaf simultaneously again.

Description

A kind of geophone spring piece

Technical field

This utility model is related to geophone field, more particularly, to a kind of geophone spring piece.

Background technology

Geophone is a kind of sensor that ground vibration is changed into the signal of telecommunication, and geophone is by machinery in other words Vibration is converted into the electromechanical device of the signal of telecommunication, produces the electrical analogue of ground motion vertical component with maximum fidelity, is one Hang what an inertial reference mass structure was formed in the individual supporting structure rigidly fixing.Typically, this quality is one Coil, two ends are respectively suspended in magnetic field with spring connection, and these springs are among them with making previous level, and along them Axis, through magnetic field.These spring leafs also form a suspension simultaneously, have known resonant frequency.Earthquake occurs When, the incoming earth's crust of seismic wave, it is in or is bordering on ground surface, part seismic wave is reflected or reflected by subsurface.Seismic detection Device is become battle array or group by cloth on the ground, when the ripple reflecting or refraction comes reaches geophone, is suspended between two springs Coil attempt remains stationary as, and the magnetic circuit that seismic detector shell connects with it and then moves together with ground surface.Coil is in magnetic field Middle motion makes the outfan of geophone produce voltage.In array, the output of each geophone is recorded to carry out point Analysis.Experienced analysis personnel can find out oil field or gas field according to the shape of the result judgement subsurface of analysis with this Gathering be located.It is the operation principle of geophone above, it thus is seen that the spring leaf in geophone is extremely important Part, it determines the indexs such as the natural frequency of cymoscope, the distortion factor, alias, so geomery to spring leaf etc. carries Go out very high requirement.

The spring leaf of geophone uses three flaccidities of tendon and muscle to technology at present, for resisting the ability of horizontal interference wave, The distortion factor of suppression signal, but in practical application, three flaccidities of tendon and muscle can only resist horizontal interference wave to technology on unidirectional, leads to earthquake The distorted signals degree of cymoscope is high.

In view of drawbacks described above, this utility model creator passes through long research and practice obtains this creation finally.

Content of the invention

This utility model purpose is to provide a kind of geophone spring piece, in order to overcome above-mentioned technological deficiency.

For achieving the above object, this utility model adopts the technical scheme that a kind of geophone spring piece, and it is special Levy and be: include inner ring, centre circle and outer ring, two short processes muscle be set between described inner ring and centre circle, described centre circle and Three long process bar are set between outer ring, and described short processes muscle and long process bar are with the center of circle of spring leaf for basic point annular point Cloth, the line between described two short processes muscle head and the tail, its angle between any two is 180 °, described three long process bar Line between head and the tail, its angle between any two is 120 °.

Further, described short processes muscle includes short processes muscle Part I, short processes muscle Part II and short processes Muscle connecting portion, described short processes muscle connecting portion connects short processes muscle Part I and short processes muscle Part II.

Further, the described short processes muscle Part I casual labourer identical, described with short processes muscle Part II width The width of skill muscle connecting portion is less than short processes muscle Part I.

Further, the radius of described short processes muscle Part I is more than short processes muscle Part II, described in two Short processes muscle nests together.

Further, with one heart, the short processes muscle Part II described in two is same for the short processes muscle Part I described in two The heart.

Further, described long process bar includes long process bar Part I, long process bar Part II and long technique Muscle connecting portion, described long process bar connecting portion connects long process bar Part I and long process bar Part II.

Further, described long process bar Part I assumes the wide trend in the narrow centre in two ends, and middle position Width is maximum, and two ends width is equal, and all sites width of described long process bar Part II is equal.

Further, the width of described long process bar connecting portion is less than described long process bar Part II.

Further, the radius of described long process bar Part I is more than long process bar Part II, described in three Long process bar nests together.

Further, the outside of described long process bar Part II is the long process bar first of another long process bar Point, with one heart, the long process bar Part II described in three is concentric for the long process bar Part I described in three.

A kind of geophone spring piece that this utility model provides, compared with prior art its advantage: significantly change It has been apt to the ratio for natural frequency for the undesire frequency of spring leaf, damaged the linear characteristic of spring leaf simultaneously and not, this advantage Acquisition, be on the one hand due to by analysis so that spring is not acted on by primary nonlinear power, secondly, specially designed knot Structure, to resist non-linear force, also increases the stability in spring horizontal direction simultaneously, with obtain spring unwanted oscillation frequency for The big ratio of natural frequency.

Brief description

Fig. 1 is the plane graph of the upper spring leaf of the geophone spring piece of offer in this utility model embodiment；

Fig. 2 is the plane graph of the lower spring piece of the geophone spring piece of offer in this utility model embodiment；

Fig. 3 is the plane graph of the short processes muscle 4 of the geophone spring piece of offer in this utility model embodiment；

Fig. 4 is the plane graph of the long process bar 5 of the geophone spring piece of offer in this utility model embodiment.

In figure: 1 inner ring；2 centre circles；3 outer rings；4 short processes muscle；5 long process bar；401 short processes muscle Part I；402 is short Process bar Part II；403 short processes muscle connecting portions；501 long process bar Part I；502 long process bar Part II；503 Long process bar connecting portion.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.

Referring to Fig. 1,2, its for this utility model provide geophone spring piece upper and lower spring leaf, including inner ring 1st, centre circle 2 and outer ring 3, described inner ring 1, centre circle 2, outer ring 3 with one heart, arrange two casual labourers between described inner ring 1 and centre circle 2 Skill muscle 4, arranges three long process bar 5 between described centre circle 2 and outer ring 3, above five process bar with the center of circle of spring leaf are Basic point is ringwise distributed, the line between described two short processes muscle 4 head and the tail, and its angle between any two is 180 °, described Three long process bar 5 head and the tail between line, its angle between any two is 120 °.

Described short processes muscle 4 includes short processes muscle Part I 401, short processes muscle Part II 402 and short processes muscle Connecting portion 403, described short processes muscle connecting portion 403 connects short processes muscle Part I 401 and short processes muscle Part II 402, described short processes muscle Part I 401 is identical with short processes muscle Part II 402 width, and described short processes muscle connects The width in portion 403 is less than short processes muscle Part I 401, with the center of circle of spring leaf as basic point, first, described short processes muscle The radius dividing 401 is more than short processes muscle Part II 402, and the short processes muscle 4 described in two nests together, short described in two With one heart, the short processes muscle Part II 402 described in two is concentric for process bar Part I 401.

Described long process bar 5 includes long process bar Part I 501, long process bar Part II 502 and long process bar Connecting portion 503, described long process bar connecting portion 503 connects long process bar Part I 501 and long process bar Part II 502, described long process bar Part I 501 assumes the wide trend in the narrow centre in two ends, and the width at middle position is maximum, and two End narrower region width is equal, equal, the described long process bar of all sites width of described long process bar Part II 502 The width of connecting portion 503 is less than described long process bar Part II 502, with the center of circle of spring leaf as basic point, described farm labourer The radius of skill muscle Part I 501 is more than long process bar Part II 502, and the long process bar 5 described in three nests together, institute The outside of the long process bar Part II 502 stated is the long process bar Part I 501 of another long process bar 5, described in three With one heart, the long process bar Part II 502 described in three is concentric for long process bar Part I 501.

Referring to Fig. 1, the inner ring 1 of upper spring leaf arranges a structure prominent to center of circle direction, and the circular arc of outer ring 3 arranges one Lug, described lug center arranges a circular hole, is connected with connected thing.

Referring to Fig. 2, between the long process bar 5 of lower spring piece and outer ring 3, a circular hole is set, is connected with connected thing.

The geophone spring piece that this utility model provides is according to pre-designed figure lines by beryllium bronze band, Through rigorous, accurate chemical attack forms.Five muscle of connecting spring piece inner ring, centre circle and outer ring are in Curved, After corrosion process, carry out heat treatment in salt bath furnace by putting in spring leaf loading distorted pattern, just stagger in inner ring and outer ring, but When the coil suspension geophone is between two such spring leafs, then the inner ring outer ring of each spring leaf and several Muscle is again in one plane.

The work process of the geophone spring piece that this utility model provides: spring leaf is after heat treatment deformation, interior Circle is separated with outer ring, upper spring leaf is put into inside seismometer coil, puts into magnet steel, then lower spring piece is put into coil base Portion, by coil support to cymoscope centre position, in order to bob cutting magnetic line during cymoscope reception seismic signal, It is finally completed seismic signal collecting work.

The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model Within enclosing.

Claims

1. a kind of geophone spring piece it is characterised in that: include inner ring, centre circle and outer ring, described inner ring and centre circle it Between two short processes muscle are set, three long process bar, described short processes muscle and farm labourer are set between described centre circle and outer ring Skill muscle with the center of circle of spring leaf for basic point annular spread, line between described two short processes muscle head and the tail, it is between any two Angle be 180 °, the line between described three long process bar head and the tail, its angle between any two is 120 °.

2. geophone spring piece according to claim 1 it is characterised in that: described short processes muscle includes short processes Muscle Part I, short processes muscle Part II and short processes muscle connecting portion, described short processes muscle connecting portion connects short processes muscle Part I and short processes muscle Part II.

3. geophone spring piece according to claim 2 it is characterised in that: described short processes muscle Part I and Short processes muscle Part II width is identical, and the width of described short processes muscle connecting portion is less than short processes muscle Part I.

4. geophone spring piece according to claim 3 it is characterised in that: described short processes muscle Part I Radius is more than short processes muscle Part II, and the short processes muscle described in two nests together.

5. geophone spring piece according to claim 4 it is characterised in that: first, the short processes muscle described in two Divide with one heart, the short processes muscle Part II described in two is concentric.

6. geophone spring piece according to claim 1 it is characterised in that: described long process bar includes long technique Muscle Part I, long process bar Part II and long process bar connecting portion, described long process bar connecting portion connects long process bar Part I and long process bar Part II.

7. geophone spring piece according to claim 6 it is characterised in that: described long process bar Part I is in The wide trend in the existing narrow centre in two ends, and the width at middle position is maximum, two ends width is equal, described long process bar second The all sites width dividing is equal.

8. geophone spring piece according to claim 7 it is characterised in that: the width of described long process bar connecting portion Degree is less than described long process bar Part II.

9. geophone spring piece according to claim 8 it is characterised in that: described long process bar Part I Radius is more than long process bar Part II, and the long process bar described in three nests together.

10. geophone spring piece according to claim 9 it is characterised in that: described long process bar Part II Outside be another long process bar long process bar Part I, the long process bar Part I described in three with one heart, three institutes The long process bar Part II stated is concentric.