CN104459764A - Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory - Google Patents
Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory Download PDFInfo
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- CN104459764A CN104459764A CN201410669246.8A CN201410669246A CN104459764A CN 104459764 A CN104459764 A CN 104459764A CN 201410669246 A CN201410669246 A CN 201410669246A CN 104459764 A CN104459764 A CN 104459764A
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- hammer
- brake lining
- armature
- electromagnetism hammer
- connecting rod
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Abstract
The invention discloses a linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in a laboratory. The hammer comprises a shell made of insulating material, multiple stages of electromagnetic hammer bodies are sequentially arranged in the shell from left to right, the leftmost electromagnetic hammer body is the first-stage electromagnetic hammer body, and the rightmost electromagnetic hammer body is the last-stage electromagnetic hammer body; a linkage switch is arranged between every two adjacent stages of electromagnetic hammer bodies; each linkage switch is an electromagnetic loop switch of the corresponding right-stage electromagnetic hammer body, and the corresponding left-stage electromagnetic hammer body moves to drive the linkage switch to be switched on. The linkage electromagnetic hammer overcomes the defects that an impact loading device in an existing laboratory for hammer drop and hammer swing is small in application range, poor in repeatability and long in dynamic responding time and is combined with the advantages of the existing electromagnetic impact device, and continuous and wide-area stimulation of a vibration source is achieved.
Description
Technical field
The present invention relates to a kind of laboratory vibration source excitation apparatus, particularly a kind of linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion.
Background technology
The vibration source excitation apparatus generally adopted in present stage laboratory comprises gravity drop hammer, small-bore rifle, explosive and electromagnetism hammer etc.The exciting mode of gravity drop hammer in these vibration source excitation apparatus, repeatable poor, the scope of application is little, and dynamic response time is long, and with timekeeping system or camera system with the use of time, delays time to control is difficult; Because blast can fly out a large amount of fragment in the exciting mode experimentation of small-bore rifle, explosive, there is larger danger; Existing electromagnetism hammer has and can reuse, and dynamic response is rapid, applied widely and load stable advantage, but can not excite continuously, the vibration source of wide area.
Summary of the invention
The present invention provides a kind of linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion for solving in known technology the technical matters that exists, this electromagnetism hammer inherit and development advantage of existing electromagnetism hammer, and achieve continuously, the exciting of wide area vibration source.
The technical scheme that the present invention takes for the technical matters existed in solution known technology is: a kind of linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion, comprise and make shell by insulating material, multistage electromagnetism hammer is had successively side by side from left to right in described shell, the electromagnetism hammer of the leftmost side is first order electromagnetism hammer, and the electromagnetism hammer of the rightmost side is afterbody electromagnetism hammer; Coupled switch is provided with between adjacent two-stage electromagnetic hammer; Described coupled switch is the electromagnetic circuit switch at right one-level electromagnetism hammer, drives the closed of coupled switch in the motion of the first from left level electromagnetism hammer.
In described shell, corresponding every grade of described electromagnetism hammer is provided with one and installs chamber, the top of described installation chamber is the spacing blind hole of connecting rod, the bottom of described installation chamber is the pilot hole of striker, between the spacing blind hole and the pilot hole of described striker of described connecting rod, be formed with armature in described installation cavity indoor and run passage, soft iron top cover is fixed with in the upper end of described operation passage, described soft iron top cover is provided with connecting rod pilot hole, described electromagnetism hammer comprises the armature be arranged in described armature operation passage, described armature installs in coil, described coil is fixed in described shell, be fixed with connecting rod in described armature upper end, the top of described connecting rod stretches in the spacing blind hole of described connecting rod through described connecting rod pilot hole, is clamped with buffer spring II between the upper end of described connecting rod and described shell, striker is fixed with in described armature lower end, the lower end of described striker is inserted in the pilot hole of described striker, described striker is set with buffer spring I, described buffer spring I is positioned at described armature and runs passage, described buffer spring I clamps between described shell and described armature, and the lower end of described armature is provided with chamfering.
Between adjacent two described installation chambers, coupled switch mounting hole is provided with in described shell, described coupled switch mounting hole is divided into the spacing room of the trigger ball arranged from left to right and brake lining installation room by adapter ring rib, in described switch mounting hole, described coupled switch is installed, described coupled switch comprises the trigger ball set gradually from left to right, trace, brake lining I, brake lining II, described trigger ball is arranged on the spacing indoor of described trigger ball, the left end of described trigger ball extends to and runs in passage at the armature of the first from left level electromagnetism hammer, the left end of described trigger ball is positioned at the below of described armature, the right-hand member of described trigger ball is provided with described trace, the right-hand member of described trace extends in described brake lining installation room through described adapter ring rib, brake lining mount pad is provided with at the right-hand member of described trace, described brake lining I is arranged on described brake lining mount pad, described brake lining II is arranged on the opposite of described brake lining I, described brake lining II is fixed in the inner left wall of described brake lining installation room, described brake lining II is connected with the coil at right one-level electromagnetism hammer by wire, described trace is set with back-moving spring, described back-moving spring clamps between described trigger ball and described adapter ring rib.
Described shell is made up of two symmetry half shells be up and down bolted.
The advantage that the present invention has and good effect are:
One) the existing electromagnetism hammer of inherit and development of the present invention can reuse, and dynamic response is rapid, applied widely and load stable advantage, and achieve continuously, the exciting of wide area vibration source.
Two) the present invention is by custom-designed control circuit, can realize the adjustability of impact dynamics and frequency.
Three) the present invention and timekeeping system or camera system with the use of time, delays time to control is convenient, accurately.
Four) structure of the present invention is simple, easy to operate, has good economy and the feature of environmental protection.
In sum, present invention improves in existing laboratory and drop hammer, the laboratory inner impact charger scope of applications such as pendulum are little, poor repeatability, the shortcoming that dynamic response time is long, and combine the advantage of existing electromagnetism Impact Loading Instrument, achieves continuously, the exciting of wide area vibration source.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is shell vertical view of the present invention;
Fig. 3 is shell right view of the present invention;
Fig. 4 is coupled switch structural representation of the present invention;
Fig. 5 is coupled switch vertical view of the present invention;
Fig. 6 is coupled switch right view of the present invention.
In figure: 1, shell; 21, connecting rod; 22, soft iron top cover; 23, coil; 24, armature; 25, striker; 31, buffer spring I; 32, buffer spring II; 4, wire; 5, coupled switch; 51, trigger ball; 52, trace; 53, back-moving spring; 54, brake lining I; 55, brake lining II.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 ~ Fig. 6, a kind of linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion, comprise and make shell 1 by insulating material, multistage electromagnetism hammer is had successively side by side from left to right in described shell 1, the electromagnetism hammer of the leftmost side is first order electromagnetism hammer, and the electromagnetism hammer of the rightmost side is afterbody electromagnetism hammer; Coupled switch 5 is provided with between adjacent two-stage electromagnetic hammer; Described coupled switch 5 is the electromagnetic circuit switches at right one-level electromagnetism hammer, drives the closed of coupled switch 5 in the motion of the first from left level electromagnetism hammer.
Be communicated at the first from left level electromagnetism hammer work in circuit time, by the motion of its armature 24, triggering coupled switch 5 makes it close, be communicated with the circuit at right one-level electromagnetism hammer, right one-level electromagnetism hammer is started working, according to above-mentioned same triggering mode, hammer at different levels triggers successively, thus makes that this electromagnetism hammer excites continuously, the vibration source of wide area.
In the present embodiment, described electromagnetism hammer and mounting structure thereof are: in described shell 1, corresponding every grade of described electromagnetism hammer is provided with one and installs chamber, the top of described installation chamber is the spacing blind hole of connecting rod 21, the bottom of described installation chamber is the pilot hole of striker 25, between the spacing blind hole and the pilot hole of described striker 25 of described connecting rod 21, be formed with armature 24 in described installation cavity indoor and run passage, soft iron top cover 22 is fixed with in the upper end of described operation passage, described soft iron top cover 22 is provided with connecting rod 21 pilot hole, described electromagnetism hammer comprises and is arranged on described armature 24 and runs armature 24 in passage, described armature 24 is installed in coil 23, described coil 23 is fixed in described shell 1, be fixed with connecting rod 21 in described armature 24 upper end, the top of described connecting rod 21 stretches in the spacing blind hole of described connecting rod 21 through described connecting rod 21 pilot hole, between the upper end and described shell 1 of described connecting rod 21, be clamped with buffer spring II 32, striker 25 is fixed with in described armature 24 lower end, the lower end of described striker 25 is inserted in the pilot hole of described striker 25, described striker 25 is set with buffer spring I 31, described buffer spring I 31 is positioned at described armature 24 and runs passage, described buffer spring I 31 clamps between described shell 1 and described armature 5, and the lower end of described armature 24 is provided with chamfering.Described coupled switch 5 and mounting structure thereof are: in described shell 1, be provided with coupled switch 5 mounting hole between adjacent two described installation chambers, described coupled switch 5 mounting hole is divided into the spacing room of trigger ball 51 and brake lining installation room that arrange from left to right by adapter ring rib, in described switch mounting hole, described coupled switch 5 is installed, described coupled switch 5 comprises the trigger ball 51 set gradually from left to right, trace 52, brake lining I 54, brake lining II 55, described trigger ball 51 is arranged on the described spacing indoor of trigger ball 51, the left end of described trigger ball 51 extends to and runs in passage at the armature 24 of the first from left level electromagnetism hammer, the left end of described trigger ball 51 is positioned at the below of described armature 24,
The right-hand member of described trigger ball 51 is provided with described trace 52, the right-hand member of described trace 52 extends in described brake lining installation room through described adapter ring rib, brake lining mount pad is provided with at the right-hand member of described trace 52, described brake lining I 54 is arranged on described brake lining mount pad, described brake lining II 55 is arranged on the opposite of described brake lining I 54, described brake lining II 55 is fixed in the inner left wall of described brake lining installation room, described brake lining II 55 is connected with the coil 23 at right one-level electromagnetism hammer by wire 4, described trace 52 is set with back-moving spring 53, described back-moving spring 53 clamps between described trigger ball 51 and described adapter ring rib.When armature 24 moves in its operation passage, the part exposed on the left of trigger ball 51 in armature 24 moving conduit is tangent with the face, inclination angle of armature 24 lower end, promote trigger ball 51 to move right, brake lining I 54 and brake lining II 55 are engaged, is communicated with coil 23 loop at right one-level electromagnetism hammer.Described shell 1 is made up of two symmetry half shells be up and down bolted.
During experiment, after connection circuit, in first order electromagnetism hammer coil 23, there is big current to pass through, now because producing magnetic field repulsive force between armature 24 and soft iron top cover 22, promoting armature 24 and doing accelerated motion, drive striker 25 striking experiment model simultaneously; At the armature 24 of the first from left level electromagnetism hammer in motion process, collide due to armature 24 and extrude the trigger ball 51 be positioned on the right side of its moving conduit, it is made to be communicated with circuit at right one-level electromagnetism hammer, trigger in right one-level electromagnetism hammer work, except first order electromagnetism hammer, the work of all the other electromagnetism hammers triggers by upper level electromagnetism hammer.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (4)
1. one kind is applicable to the linkage type electromagnetism hammer of laboratory study multi-point Ground Motion, it is characterized in that, comprise and make shell by insulating material, multistage electromagnetism hammer is had successively side by side from left to right in described shell, the electromagnetism hammer of the leftmost side is first order electromagnetism hammer, and the electromagnetism hammer of the rightmost side is afterbody electromagnetism hammer; Coupled switch is provided with between adjacent two-stage electromagnetic hammer; Described coupled switch is the electromagnetic circuit switch at right one-level electromagnetism hammer, drives the closed of coupled switch in the motion of the first from left level electromagnetism hammer.
2. the linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion according to claim 1, it is characterized in that, in described shell, corresponding every grade of described electromagnetism hammer is provided with one and installs chamber, the top of described installation chamber is the spacing blind hole of connecting rod, the bottom of described installation chamber is the pilot hole of striker, between the spacing blind hole and the pilot hole of described striker of described connecting rod, be formed with armature in described installation cavity indoor and run passage, soft iron top cover is fixed with in the upper end of described operation passage, described soft iron top cover is provided with connecting rod pilot hole, described electromagnetism hammer comprises the armature be arranged in described armature operation passage, described armature installs in coil, described coil is fixed in described shell, be fixed with connecting rod in described armature upper end, the top of described connecting rod stretches in the spacing blind hole of described connecting rod through described connecting rod pilot hole, is clamped with buffer spring II between the upper end of described connecting rod and described shell, striker is fixed with in described armature lower end, the lower end of described striker is inserted in the pilot hole of described striker, described striker is set with buffer spring I, described buffer spring I is positioned at described armature and runs passage, described buffer spring I clamps between described shell and described armature, and the lower end of described armature is provided with chamfering.
3. the linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion according to claim 2, it is characterized in that, between adjacent two described installation chambers, coupled switch mounting hole is provided with in described shell, described coupled switch mounting hole is divided into the spacing room of the trigger ball arranged from left to right and brake lining installation room by adapter ring rib, in described switch mounting hole, described coupled switch is installed, described coupled switch comprises the trigger ball set gradually from left to right, trace, brake lining I, brake lining II, described trigger ball is arranged on the spacing indoor of described trigger ball, the left end of described trigger ball extends to and runs in passage at the armature of the first from left level electromagnetism hammer, the left end of described trigger ball is positioned at the below of described armature, the right-hand member of described trigger ball is provided with described trace, the right-hand member of described trace extends in described brake lining installation room through described adapter ring rib, brake lining mount pad is provided with at the right-hand member of described trace, described brake lining I is arranged on described brake lining mount pad, described brake lining II is arranged on the opposite of described brake lining I, described brake lining II is fixed in the inner left wall of described brake lining installation room, described brake lining II is connected with the coil at right one-level electromagnetism hammer by wire, described trace is set with back-moving spring, described back-moving spring clamps between described trigger ball and described adapter ring rib.
4. the linkage type electromagnetism hammer being applicable to laboratory study multi-point Ground Motion according to claim 1, is characterized in that, described shell is made up of two symmetry half shells be up and down bolted.
Priority Applications (1)
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CN201410669246.8A CN104459764B (en) | 2014-11-20 | 2014-11-20 | Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory |
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CN201410669246.8A CN104459764B (en) | 2014-11-20 | 2014-11-20 | Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory |
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CN104459764A true CN104459764A (en) | 2015-03-25 |
CN104459764B CN104459764B (en) | 2017-02-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2694621C1 (en) * | 2016-04-01 | 2019-07-16 | Петрочайна Компани Лимитед | Method and apparatus for processing seismic data |
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RU2694621C1 (en) * | 2016-04-01 | 2019-07-16 | Петрочайна Компани Лимитед | Method and apparatus for processing seismic data |
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