CN202362465U

CN202362465U - Mechanical type earthquake detector

Info

Publication number: CN202362465U
Application number: CN2011202295790U
Authority: CN
Inventors: 张玉峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-11
Filing date: 2011-07-01
Publication date: 2012-08-01
Anticipated expiration: 2021-07-01

Abstract

The utility model discloses a mechanical type earthquake detector which comprises a base plate, an indication column bearer, an indication column, eight-switch flashboard units and single suspension counterweight reinforcing units. The detector is a mechanical lever type relative orientation pressure sensing difference switch mechanism that allows the indication column to serve as the center, is arranged in a shape like a Chinese character mi to display eight orientation pressure difference changes and enables the indication column to be inclined for alarming. The detector is also a displacement swing type earthquake detection mechanism which allows orientation of an earthquake to be detected via orientation pressure difference changes of eight orientation pressure values when a current balanced state under an earthquake is broken from a previous balanced state. The mechanical type earthquake detector is proved to be feasible, enables the displacement situations of an earthquake to be accurately detected, and helps to minimize the damage of an earthquake to mankind.

Description

Mechanical type earthquake detector

Technical field

The utility model relates to the earthquake detection range, particularly relates to the high mechanical type earthquake detector of a kind of sensitivity.

Background technology

All the time, earthquake all is puzzlement people's a difficult problem, and its destructiveness has caused great injury to the mankind.Especially mechanical lever class detecting instrument; Comprise various unstable equilibrium devices and the simple property pendulum-type device that dangles; Detection accuracy rate to earthquake displacement orientation is extremely low; Many people begin to suspect its feasibility, even begin to suspect that China once utilized mechanical lever class technology successfully to measure the authenticity of the ancient science man Zhang Heng in the earth displacement orientation (specifically referring on year January in Dec, 2010 to 2011 internet matter grain husk of opening the weighing apparatus seismograph being discussed article) in history.The cardinal principle of the utility model; Utilize dangle pendulum and lever principle to design the high mechanical type earthquake detector of sensitivity exactly; Proved that the mechanical lever-type mechanics principle detects the feasibility of seismic location instrument, and can detect earthquake azimuthal displacement situation accurately.

The utility model content

The utility model purpose is in order to solve the deficiency of above-mentioned technology, to provide a kind of sensitivity high mechanical type earthquake detector.The utility model has not only proved the feasibility of mechanical earthquake detector, and can detect earthquake displacement situation accurately.

In order to achieve the above object, the technical scheme that the utility model provided is:

A kind of mechanical type earthquake detector comprises that chassis, showing rod's bearing, showing rod and eight close flashboard unit and the afterburning unit of single outstanding counterweight, the said center chassis position activity showing rod's bearing of having stood; Said showing rod bearing top is provided with groove; One spheroid is housed in the said groove, and the bottom of said showing rod is sat and is contained on the spheroid, and the endoluminal means of showing rod has the interlocking dish; Device has described eight to close the flashboard unit between showing rod and chassis, and there is the afterburning unit of single outstanding counterweight on the chassis with lower device.

Further, said eight close the flashboard unit is eight groups with the afterburning unit of single outstanding counterweight, is the center with the showing rod all, is the setting of " rice " font.

Further, said eight close the flashboard unit pack draws together slideway bearing, slideway, spin and eight pass flashboards, and an end of said slideway bearing is packed in the showing rod; Axle is equipped with in the end of the other end; On the slideway bearing, said spin device is in slideway through shaft device for said slideway, and an end of slideway bottom is provided with lug; Said lug offsets contact in the termination of eight pass flashboards, and the other end of eight pass flashboards is movably connected on the chassis.

Further; The afterburning unit of the outstanding counterweight of said list comprises that the afterburning transverse arm of single outstanding counterweight, pinch roller, single suspention chain, adjustable weight piece or afterburning top spring, end stone roller, transition lever, second lever, level the disappear crack counterweight crank, falling stop of crack wedge and the vertical crack wedge that disappears, level that disappear hangs piece etc.; Single suspention chain is suspended in stone roller newel chaining support top, the end; Said falling stop is hung piece and is suspended on below the end stone roller Top Crossbeam by the falling stop chaining; The afterburning transverse arm of the outstanding counterweight of said list inwardly rotates downwards because of gravity because of the single-ended suspension in the inner causes the outer end; Inwardly fill the span of a man's arms through pinch roller compressing transition lever as the power source; This power value of inwardly filling the span of a man's arms conducts to eight pass flashboards through second lever and inwardly fills the span of a man's arms, and the adjustable weight piece is large and small in order to regulate this power value of filling the span of a man's arms, after this power value of filling the span of a man's arms of adjusting is suitable; Level disappear crack wedge and the crack wedge that vertically disappears can remedy eliminate the afterburning transverse arm of single outstanding counterweight hang between the piece with falling stop and the afterburning transverse arm of single outstanding counterweight and end stone roller Top Crossbeam between minim gap and play spacing non-return effect, make single counterweight reinforcing transverse arm that hangs when earthquake, can't fall and follow up and reach the purpose of subduing its power value of inwardly filling the span of a man's arms.

Adopt technique scheme, the technique effect of the utility model has:

1. the utility model adopts the lever mechanics principle, need not expend the electric power equal energy source;

2. the standard of the default earthquake that can detect of the utility model can be as required come the adaptation standard through when fill the span of a man's arms power value and coefficient of friction power value parameter of adjustment lever, and adaptive functions property is wide in range;

3. the utility model can be made highly sensitive large and small type earthquake detector, carries out earthquake popular science knowledge and applied mechanics knowledge communication and education purposes, has higher marketable value.

Description of drawings

Fig. 1 is the structural representation of utility model

Wherein: 1 chassis; 2 showing rod's bearings; 21 grooves; 22 spheroids; 3 showing rods; 31 interlocking dishes; 4 eight close the flashboard unit; 41 slideway bearings; 411; 42 slideways; 421 lugs; 43 spin; 44 8 close flashboard; 5 grounded brackets; Spin when 6 slideways fall action rolls out the position; 7 second levers; 8 transition levers; The afterburning transverse arm of 9 single outstanding counterweights; 10 adjustable weight pieces; 11 afterburning top springs; 12 pinch rollers; 13 ground plates; 14 ends stone roller; 141 ends stone roller newel chaining support; The 142 crack wedges that vertically disappear; The 143 levels crack wedge that disappears; Piece is hung in 144 falling stops; The 145 levels crack counterweight crank that disappears; 146 single suspention chains; 147 falling stop chainings; 148 wedges control backguy; 149 ends stone roller Top Crossbeam; 15 ends stone roller chain sling; 16 wedges control backguy non-return crank; The afterburning unit of 17 single outstanding counterweights.

Embodiment

Embodiment below in conjunction with description of drawings the utility model.

As shown in Figure 1:

Embodiment: a kind of mechanical type earthquake detector, comprise chassis 1, showing rod's bearing 2, showing rod 3 and flashboard unit, eight passes 4, wherein flashboard unit, eight passes 4 comprises slideway bearing 41, slideway 42 spin 43 and eight pass flashboards 44.The chassis 1 center activity showing rod's bearing 2 of having stood, showing rod's bearing 2 tops are provided with groove 21, and a spheroid 22 is housed in the groove 21; The bottom of showing rod 3 is sat and is contained on the spheroid 22; The endoluminal means of showing rod 3 has slideway bearing 41 1 ends that interlocking dish 31, eight closes in the flashboard unit 4 to be packed in the showing rod 3, and axle 411 is equipped with in the end of the other end; Slideway 42 is contained on the slideway bearing 41 through axle 411, can be around axle 411 rotations.Spin 43 is contained in the slideway 42; One end of slideway 42 bottoms is provided with lug 421; Lug 421 offsets and contacts the termination at said eight pass flashboards 44, leans on the balance that keeps slideway 42 with the friction of eight pass flashboards 44, and the other end of eight pass flashboards 44 is movably connected on the chassis 1.Closing flashboard unit 4 is 8 unit, and is that the center is the setting of " rice " font with showing rod 3.

The interlocking dish 31 main lever principles that adopt wherein; After the slideway 42 in certain orientation rotated, the near-end of slideway 42 can be stirred interlocking dish 31, starts the interlocking dish near-end of the slideway 42 in other orientation is fixed; Guarantee this detector behind indication earthquake orientation, showing rod 3 can not point to other orientation again.

Device has the afterburning unit 17 of single outstanding counterweight and ground plate 13 and end stone roller 14 below chassis 1, and the afterburning unit 17 of wherein single outstanding counterweight comprises: the afterburning transverse arm 9 of single outstanding counterweight, single suspention chain 146; Adjustable weight piece 10 or afterburning top spring 11, pinch roller 12, transition lever 8; Second lever 7; The crack wedge 142 that vertically disappears, level crack wedge 143 levels of being actively connected on counterweight crank 145 upper ends, crack that disappear that disappear, the 147 suspension falling stops of falling stop chaining are hung piece below end stone roller Top Crossbeam 149; The disappear outer lower end of crack counterweight crank 145 of level is connected with wedge control backguy 148; The disappear middle part movable axis of crack counterweight crank 145 of level is connected on falling stop and hangs on the piece 144, and wedge control backguy non-return crank 16 movable axis are connected on below the chassis 1, to 148 compressing frictions of wedge control backguy position-limiting action.

The afterburning transverse arm of single outstanding counterweight 9 the inners fall because of the inside downwards rotation of single-ended suspension gravity and inwardly fill the span of a man's arms through pinch roller 12 compressing transition levers 8 as the power source; Through second lever 7; Conducting to eight pass flashboards 44 inwardly fills the span of a man's arms; Through adjustable weight piece 10 regulate these power be worth large and small suitable after; Remedy and eliminate the afterburning transverse arm 9 of single outstanding counterweight and the minim gap between the piece 144 is hung in falling stop with the level crack wedge 143 that disappears; Remedy the minim gap of eliminating between the afterburning transverse arm 9 of single outstanding counterweight and the end stone roller Top Crossbeam 149 with the crack wedge 142 that vertically disappears, play its spacing non-return effect, can't fall to following up to subduing the purpose of its power of inwardly filling the span of a man's arms because of ground plate 13 reach pinch rollers 12 to reach when the earthquake.

Its principle of work is:

Slideway 42 is as overweight about 30 grams-50 grams of its far-end of scale; 42 pairs eight in slideway closes flashboard 44 plate faces and forms an outside horizontal thrust during balance; Eight close flashboard 44 because of propped up, become the movable wall with about 100 grams-300 gram resistibilitys by second lever 7, and its friction damping can't fall slideway 42.When earthquake took place, eight close flashboards 44 about 100 grams-300 gram resistibility values subdued as having slightly, the lug 421 of slideway 42 far-ends can overcome eight close flashboards 44 friction, push eight open and close flashboards 44 and freely fall.Slideway 42 falls back spin 43 and rolls to slideway 42 far-ends thereupon, and showing rod 3 is unbalancely toppled over because of laying particular stress on.Slideway 42 near-ends can be provoked the interlocking dish 31 that is positioned at showing rod 3 simultaneously, push down slideway 42 near-ends in other orientation, make it locking, make other slideway 42 fall, and guarantee that further showing rod 3 can not point to other orientation again.

The sensitive precision of prior art is extremely low, and general azimuthal displacement amount all is unit of account with the millimeter, and is powerless for response earthquake P ripple; And the sensitive ratio of precision of present technique can improve hundreds of times than prior art, the azimuthal displacement amount be with millimeter 1% promptly 0.01 millimeter be unit of account, can respond microdisplacements such as earthquake P ripple Pg, Pp, P11, SP ripple; And interference free performance is good; Because of mostly interference wave is the vertical vibration ripple, horizontal component is very little, and the utility model is enough accomplished complete filtering to the vertical vibration wave energy.So the present technique characteristics are pressure sensing friction damping switches that mechanical compression conduction lever combination becomes; When earthquake, lean on the folding of eight directional compressive force value size variation CS; The displacement conversion that tradition in so will per 0.01 millimeter is directly utilized is enlarged into the adjustable friction force value variation range from 0 (gram) to 1000 (grams), and the basic thing of the utility model indication can be a earth, also can be the big machinery platform; The various worktable relevant with displacement, relevant buildings etc.

The concrete course of work of the utility model:

With embodiment 1 is example, and when basic thing was subjected to displacement, chassis 1 moved forward in the very first time with support 5; This moment, the lug 421 of slideway 42 move forward thereupon, had subdued and eight friction of pass between the flashboards 44, simultaneously; Along with the reach of ground plate 13, the transition lever 8 power value of inwardly filling the span of a man's arms has further been subdued in pinch roller 12 follow-up of can't falling again, cause second lever 7 and eight pass flashboards 44 inwardly the power of filling the span of a man's arms subdue; Cause slideway 42 out of trim and around slideway bearing 41 the axle 411 the rotation; Spin 43 is rolled to the far-end of slideway 42 thereupon, and seat is contained in showing rod's 3 out of trim on the spheroid 22 and topples over, and reaches the effect that detects earthquake.

And in the relative opposite side direction of earthquake displacement; The lower end that 13 reaches can promote second lever 7 with ground plate, chassis 1; The conflict power of filling the span of a man's arms that flashboard 44 is closed to the people in the upper end of second lever 7 can not reduce; The lug 421 of slideway 42 and eight close pressure between the flashboards 44 and can remain unchanged or slightly increase is not so can cause slideway 42 rotations of this direction to be fallen.

Requiring between each parts pre-value power to follow that each power value reaches balance and have certain leeway to make it possess anti-interference function in the utility model is principle.

Slideway 42 far-end values of laying particular stress in other the utility model; Eight close the resistibility value of flashboard 44; The adjustable weight piece 10 of the afterburning unit 17 of single outstanding counterweight is setting range as requested all, and setting range is more wide in range, can adapt to multiple demands of different in view of the above; Different condition, dissimilar azimuthal displacement tests.Both can be made into the high large-scale earthquake detector of sensitivity, also can make the simple type earthquake detector of popular science propaganda education usefulness, like Fig. 2.So have higher marketable value.

What should explain at last is; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims

1. mechanical type earthquake detector; Comprise chassis (1), bearing (2), showing rod (3) and flashboard unit (4), eight passes; It is characterized in that: said chassis (1) the center activity showing rod's bearing (2) of having stood, said showing rod bearing (2) top is provided with groove (21), and a spheroid (22) is housed in the said groove (21); The bottom of said showing rod (3) is sat and is contained on the spheroid (22); The endoluminal means of showing rod (3) has interlocking dish (31), and device has described eight to close flashboard unit (4) between showing rod (3) and chassis (1), and device has the afterburning unit of single outstanding counterweight below chassis (1).

2. mechanical type earthquake detector according to claim 1; It is characterized in that: the afterburning unit of the outstanding counterweight of the list between showing rod (3) and chassis (1) below eight of device flashboard unit (4), pass and chassis (1) is eight groups; And with showing rod (3) is the center; Being the setting of " rice " font, is that a kind of detection eight directional pressure gap changes, and carries out the mechanical lever relative orientation pressure sensing difference switch that showing rod tilts to report to the police; Lean on eight directional force value and friction value by former balance steady state (SS) during to earthquake this balance become unbalancely, stable orientation pressure gap when becoming instability status changes the displacement pendulum-type that detects seismic location and tests and shake mechanism.