CN103048551B - Center regulating rotary table for Helmholtz coil - Google Patents
Center regulating rotary table for Helmholtz coil Download PDFInfo
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- CN103048551B CN103048551B CN201110315092.9A CN201110315092A CN103048551B CN 103048551 B CN103048551 B CN 103048551B CN 201110315092 A CN201110315092 A CN 201110315092A CN 103048551 B CN103048551 B CN 103048551B
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Abstract
The invention relates to a center regulating rotary table for a Helmholtz coil. The device comprises a main structural frame (29) and an azimuth and lifting frame (37), wherein the main structural frame (29) comprises two circular ring-shaped plates (2) which are coaxially fixed; the circular ring-shaped plates (2) are provided with semicircular holes (49); the peripheral ring-shaped surfaces of the circular ring-shaped plates (2) are provided with grooves around the whole peripheries; the coil is wound in the grooves; the azimuth and lifting frame comprises a height regulating unit, a horizontal azimuth regulating unit and an inclination angle regulating unit; and by the arrangement of the units, high-accuracy three-dimensional continuous regulation on the height, the azimuth of spherical coordinates and the inclination angle position is implemented. The center regulating rotary table for the Helmholtz coil has the advantages that each part of the Helmholtz coil disclosed by the invention is reasonably designed, is simple and convenient to assemble and disassemble, is easy to frequently disassemble and carry and can easily implement omnibearing high-accuracy detection; and the Helmholtz coil disclosed by the invention has field windproof design and has good outdoor use applicability and strong anti-interference performance.
Description
Technical field
The present invention relates to the coil using in purplish red electromagnetic detection test, particularly, the present invention relates to a kind of Helmholtz coils center adjustment turntable.
Background technology
Because the space wave that this class scientific exploration equipment of spaceborne low frequency magnetic field fluctuation detection device will detect is extremely faint, need high sensitivity and stability, therefore in development phases process, just need to constantly carry out strict various types of Performance Detection and parameter calibration etc.And in the testing laboratory of urban environment, be also difficult to virtual space real background at present, be also difficult to reach and detect desired strict index, for example, some the index request 10-5nT/Hz1/2 of low-frequency range institute index etc.Therefore, need in shield test reactor chamber, simulate suitable therewith space electromagnetic environment.If will meet this magnetic index in testing laboratory's environment, must drop into huge fund and make low frequency electromagnetic shield test reactor chamber, particularly volume is reached to tens cubic metres of testing laboratoriesies (scale that is only equivalent to Yi Zhierjian office) more than magnitude and must make not alloy screen layer of layer glass, various expenses are easily more than millions of units, and owing to cannot avoiding artificial or natural electromagnetic interference (EMI) to use the outlying place, field away from interference source and mankind's activity interference, be also a kind of preferably free test site.But Helmholtz (HELMHOLTZ) coil device conventionally using in test is to be applicable to the indoor twin coil field instrument of making Electromagnetic Sources, the fixed testing equipment that the larger inconvenience of volume scale is decomposed.In addition,, while carrying out field test, for making the maximum level of background interference frequency spectrum should be low below a receptible limit, need to look for suitable testing location.Therefore, before test, need to carry out repeatedly on-the-spot investigation, repeatedly detect, contrast the measurement data of same place in the long period, just can find most suitable testing location.The fixed testing equipment that so just needs the large scale inconvenience such as frequent carrying, dismounting surveying instrument, particularly large-scale Helmholtz coils equipment to decompose is unfavorable for carrying out field test.
In the patented claim that is 200510117699.0 at application number, provide a kind of field test dismountable Helmholtz coils, in described equipment, solved the problem of the inconvenience of field test transportation in the past, but the height at described Helmholtz coils center and position regulating device also exist when regulating the height of measured object and position of orientation use inconvenience, precision is poor and cannot continuously change the series of problems such as measured piece inclination angle.
Summary of the invention
The object of the invention is to provides a kind of Helmholtz coils in order to overcome the problems referred to above.
To achieve these goals, Helmholtz coils center adjustment turntable of the present invention, comprise main structure frame 29, this main structure frame 29 comprises two blocks of co-axially fixed annular plates 2, on described annular plate 2, have semicircle orifice 49, its peripheral annular face is provided with the groove around whole circumference, and in described groove winding around, described Helmholtz coils center adjustment turntable also comprises orientation and crane 37, and described orientation and crane comprise height adjusting unit, level orientation regulon and tilt adjustment unit;
Described height adjusting unit comprises and highly regulates threaded collar 41 and by the sheathed lifting tube 19 wherein of screw thread matching, and elevating rocker arm 20, described height regulates threaded collar 41 bottoms to be provided with end umbrella tooth 43, and described end umbrella tooth 43 is meshed with the active umbrella tooth being connected with elevating rocker arm 20; By shaking elevating rocker arm 20, the end umbrella tooth 43 that drives active umbrella tooth and be engaged with rotates, cause and highly regulate relatively rotating of threaded collar 41 and lifting tube 19, realize the adjusting of lifting tube 19, azimuth rotating platform base plate 65 and the whole upper system height and position of level orientation turntable 5;
Flange flange 4 is arranged at described lifting tube 19 tops, and flange flange 4 end faces are provided with coaxial annular groove 58 and are connected with the annular flange flange coupling of level orientation turntable 5 bottoms;
Described level orientation regulon comprises level orientation turntable 5, described level orientation turntable 5 comprises the base plate 39 of lower annular, and with base plate 39 all-in-one-pieces, be positioned at the turntable side plate 16 of both sides, on the annular flange flange end face of described base plate 39, be also provided with ring gear, described ring gear is meshed with the cylindricality gear that rotation swing arm unit 18 is connected, rotate described rotation swing arm unit 18, drive described cylindricality gear and this ring gear being engaged with to rotate, thereby realize the rotation of whole level orientation turntable 5;
The annular flange flange of described level orientation turntable 5 bottoms is provided with limited ring groove 64, the flange flange 4 of the azimuth rotating platform base plate 65 of described lifting tube 19 top disc shapes is provided with caging bolt 59, described caging bolt 59 embeds in limited ring groove 64 grooves, makes level orientation turntable 5 do to horizontally rotate around lifting tube 19 central axis of vertical direction;
Described tilt adjustment unit comprises inclination angle reel cage 6, described inclination angle reel cage 6 comprise the annular base plate of bottom and with it all-in-one-piece be positioned at the inclination angle reel cage side plate 26 of annular base plate both sides, in reel cage side plate 26 inner sides, inclination angle, be also provided with vertically to positioning strip 60 and in the stopper slot that switching lifting disk 53 edges are corresponding, make it only to do the height adjusting of vertical direction and corresponding rotation or the angular displacement coaxial with lifting tube regulating ring 54 can not occur buckleing with switching lifting disk 53 Lower Half outside wall surface spiral shells the lifting disk 53 of transferring under the rotary action of the lifting tube regulating ring 54 screwing togather for being embedded into;
Described inclination angle reel cage side plate 26 is connected with the coaxial hinge knot of inclination angle reel cage axle 14 of turntable side plate 16 by cast, reel cage axle 14 one end, inclination angle are the large end with cap mouth flange of being close to inclination angle reel cage side plate 26 inclination angle, top reel cage axis hole interior sidewall surface, inclination angle reel cage axle 14 all fixes by the large end with cap mouth flange and screw and inclination angle reel cage side plate 26, its other end is the axle head wrom tooth wheel 50 that is piercing in turntable side plate 16 reel cage axis hole 32 outsides, inclination angle, top, described axle head wrom tooth wheel 50 is meshed with the axle head gear on worm of tilt adjustment worm screw 42, when described inclination angle reel cage rotation rocking arm 27 shakes, the axle head wrom tooth wheel 50 that axle head gear on worm rotates and drive is meshed thereupon on drive tilt adjustment worm screw 42 and inclination angle reel cage axle 14 and whole inclination angle reel cage 6 works are around the rotation of inclination angle reel cage axle 14, described tilt adjustment worm screw 42 and inclination angle reel cage rotate rocking arm 27 and include in tilt adjustment group 66 and be arranged on turntable side plate 16 lateral walls.
As a kind of improvement of such scheme, described main structure frame 29 is mutually located and is fixed into one by binder bolt by chase mortise structure by annular plate 2, flat board 8, connection swash plate 12, base plate 10 and static leg disc 23.
Another improvement as such scheme, described annular plate 2 is fixed in main structure frame 29 both sides by register pin 21, set bolt 31 and the ears nut 11 of main structure frame 29 both sides, annular slab tie rod 33 is set simultaneously between two annular plates 2, and described annular slab tie rod 33 ends are fixing by manual ears nut 15;
Described dull and stereotyped 8 and base plate 10 be all horizontally disposed with, and be fixedly connected by two blocks of annular plates 2, the connection swash plate 12 that is positioned at annular plate 2 bottoms, register pin 31, set bolt 31 and ears nut 21 and annular slab tie rod 3, four angular positions of described dull and stereotyped 8 all cut out square breach 61 and connect the rectangular opening of swash plate 12 and the semicircle orifice 49 of annular plate 2 to embed respectively;
Described connection swash plate 12 has the quadrilateral dielectric-slab of rectangular opening for being arranged on the top of dull and stereotyped 8 both sides, the angle that connection swash plate described in two is 12 is 24～53 degree, connects in the groove at swash plate 12 top center edges and is fixed with vertical aiming plate 9;
Described dull and stereotyped 8 are provided with for the center pit 48 that highly regulates threaded collar 41 to pass and the hole and the descending through hole 63 of height gauge that pass for backstay guide cylinder 57, dull and stereotyped 8 middle parts are provided with a vertical flat board, this vertical flat board is provided with axis vane 7, and dull and stereotyped 8 surface level is provided with air-bubble level 13;
Described base plate 10 is provided with the flat board of rectangle opening for middle part, middle removal one rectangular strip on its four limit forms four jiaos of integral body of protruding and becomes four limit profiles of X-shaped dull and stereotyped, and four jiaos of places at base plate 10 arrange static leg disc 23, described static leg disc 23 is disc, and is arranged on the liftables at four jiaos of base plate 10 places, the movable connecting structure of foldable static leg screw rod 24 end balling-up joint types.
Another improvement as such scheme, described static leg disc 23 is supported by the static leg screw rod 24 of spiral lifting, the top of static leg screw rod 24 is provided with the plunger that patches that can plug in crank, convenient plug is for regulating the provisional hand crank of static leg disc 23 height of Helmholtz coils, static leg screw rod 24 upper semisections are spiro rod section, the screw thread of the screw corresponding with base plate 10 is screwed, lower semisection is round bar part, in this round bar part, be provided with foldable an angle of 90 degrees and can locking the folding hinge 25 of location, round bar part bottom is the hemispherical groove that dome-type is corresponding with static leg disc 23 tops and matches, be the link of movable balls joint type.
Another improvement as such scheme, is fixed with lifting tube backstay 28 and is being fixedly installed height gauge 62 at flange flange 4 lateral surfaces on described flange flange 4.
Also a kind of improvement as such scheme, described base plate 39 is provided with switching lifting disk 53, described switching lifting disk 53 is provided with the ring-like dish in top, measured piece fixing threaded hole 55, in described switching lifting disk 53 outer rims, be provided with the outside wall surface screw thread being screwed with lifting tube regulating ring 54 internal face screw threads, and with the edge locating notch of the ring-like dish in top, lifting tube regulating ring 54 outside wall surface are provided with to regulate uses the jack that regulates driving lever while rotating;
Described switching lifting disk 53 circular hole places, top for block extend for switching lifting disk 53 tops the movable cylindricality platform that increases to lay the tested instrument that yardstick is little, increase the fluting that two sections that cylindricality table top centre is provided with into right-angled intersection become V-type, the fluting of V-type is in order to lay cylindrical shape measured body or columniform sensor.
As also a kind of improvement of such scheme, described reel cage axle 14 ends, inclination angle are provided with the index dial of corner 360 degree indentations, and inclination angle reel cage axle 14 is fixed by inclination angle reel cage axle head flange and inclination angle reel cage side plate 26 top through holes.
As also a kind of improvement of such scheme, on the annular bottom plate of described inclination angle reel cage 6 bottoms, have a plurality of screws for fixing measured piece.
Also a kind of improvement as such scheme, described elevating rocker arm 20 is by rocker handle, lifting transmission shaft 67, lifting tube elevating rocker arm unit frame 30 and forming with the fixing umbrella tooth of lifting transmission shaft, wherein rocker handle and umbrella tooth are respectively fixed on the two ends of lifting transmission shaft 67, lifting tube elevating rocker arm unit frame 30 is a rectangular hexahedron, the through hole that middle part has a level is for laying lifting transmission shaft 67, lifting tube elevating rocker arm unit frame 30 is fixed under dull and stereotyped 8, make the umbrella tooth of lifting transmission shaft 67 one end and end umbrella tooth 43 engagements that highly regulate threaded collar 41 bottoms, the rocker handle of the other end stretches out in outside dull and stereotyped 8 sides to be convenient to shake.
The invention has the advantages that:
1, each part design of Helmholtz coils of the present invention is reasonable, and dismounting is easy, be easy to the frequent carrying that splits, and each parts quality of fit is high, repeated disassembled and assembled Integral deformed is little, is easy to realize omnidirectional high-accuracy and detects;
2, Helmholtz coils center adjustment turntable structure of the present invention is reasonable, and the three-dimensional that is easy to realize high-precision height and ball seat target orientation and incident angle regulates continuously;
3, Helmholtz coils of the present invention possesses field wind force proofing design, and outdoor application applicability is good, strong interference immunity, and the background field distribution such as measured piece and Helmholtz coils dry scratched little.
Accompanying drawing explanation
Fig. 1 is Helmholtz coils structural representation of the present invention;
Fig. 2 is the structural representation of main structure frame 29 parts of Helmholtz coils of the present invention,
Fig. 3 is the structural representation of level orientation regulon of the present invention and tilt adjustment unit.
Accompanying drawing sign
1, Helmholtz coils 2, annular plate 3, toroidal cavity 4, flange flange
5, level orientation turntable 6, inclination angle reel cage 7, axis vane 8, flat board
9, vertical aiming plate 10, base plate 11, ears nut 12, connection swash plate
13, air-bubble level 14, inclination angle reel cage axle 15, manual ears nut
16, turntable side plate 17, turntable azimuth scale 18, azimuth rotation swing arm unit
19, lifting tube 20, elevating rocker arm 21, register pin
22, walking castor 23, static leg disc 24, static leg screw rod
25, folding hinge 26, inclination angle reel cage side plate 27, inclination angle reel cage rotate rocking arm
28, lifting tube backstay 29, main structure frame 30, lifting tube elevating rocker arm unit frame
31, set bolt 32, inclination angle reel cage axis hole 33, annular slab tie rod
34, in external connector 35, coil, connect connector 36, tie rod locating flange
37, orientation and crane 38, through hole 39, base plate
40, locking snap ring 41, highly regulate threaded collar 42, tilt adjustment scroll bar
43, end umbrella tooth 44, outside wall surface screw thread 45, internal face screw thread
46, top locating flange 47, aiming window 48, center pit
49, semicircle orifice 50, axle head wrom tooth wheel 51, locking annular groove
52, reel cage axle head calibration loop 53, switching lifting disk 54, lifting tube regulating ring
55, measured piece fixing threaded hole 56, axis hole vane 57, backstay guide cylinder
58, coaxial annular groove 59, caging bolt 60, vertically to positioning strip
61, square breach 62, height gauge 63, the descending through hole of height gauge
64, limited ring groove 65, azimuth rotating platform base plate 66, tilt adjustment group
67, lifting transmission shaft
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As depicted in figs. 1 and 2, Helmholtz coils of the present invention, comprising: two blocks of annular plates 1, connect swash plate 12, described annular plate 1 has the semicircle orifice concentric with excircle 49, also comprises main structure frame 29 and orientation and crane 37 on it; Wherein, described main structure frame 29 consists of flat board 8, connection swash plate 12, base plate 10, static leg disc 23 and elevating rocker arm unit 20, and main structure frame 29 both sides are provided with annular plate register pin 21 and set bolt 31; Described flat board 8 all cuts out square breach 61 to embed respectively rectangular opening and the semicircle orifice 49 that connects swash plate 12 four angular positions, wherein between dull and stereotyped 8 square breach 61 positions, minor face two ends, remaining bond length is identical with the width of the rectangular opening of connection swash plate 12, dull and stereotyped 8 have for the center pit 48 that highly regulates threaded collar 41 to pass and the hole and the descending through hole 63 of height gauge that pass for backstay guide cylinder 57, are also provided with axis vane 7 and air-bubble level 13 on dull and stereotyped 8; Described connection swash plate 12 is rectangle quadrilateral dielectric-slabs that the first half is opened rectangular opening, dull and stereotyped 8 minor face just ride over rectangular opening below on, described base plate 10 is that a part that middle part has rectangle opening, four stage casings, limit all to remove orthogonal forms four jiaos and protrudes from the flat board that four limit appearance integrals become X-shaped; Described static leg disc 23 is positioned at four jiaos of base plate 10 and locates and become disc, with the movable connecting structure of liftable foldable static leg screw rod 24 end balling-up joint types; Two blocks of described annular plates 1 connect to equidistant coaxial dicyclo body by many annular slab tie rods 33 by the through hole in annular panel edges, on the ring edge face of annular plate 1, have the groove 2 of coiling Helmholtz loop, described annular slab tie rod 33 is provided with two outward appearances tie rod locating flange 36 coning and locates for coaxially aligning with spacing of two blocks of annular plates 1.
Described orientation and crane 37 are by highly regulating threaded collar 41, lifting tube 19, level orientation turntable 5, inclination angle reel cage 6 and switching lifting disk 53 to form, wherein highly regulate threaded collar 41 to be provided with locking annular groove 51 and the end umbrella tooth 43 of internal face screw thread 45, top locating flange 46, bottom, and regulate threaded collar 41 at center pit 48 places by locking snap ring 40 positioning heights; There are flange flange 4, outside wall surface screw thread 44 in described lifting tube 19 tops and are fixed on the lifting tube backstay 28 on flange flange 4 and are fixed on the height gauge 62 on flange flange 4 lateral surfaces, and flange flange 4 end faces are provided with coaxial annular groove 58 corresponding to the annular flange flange of level orientation turntable 5 bottoms; Described lifting tube 19 by the height being screwed with its outside wall surface screw thread 44 regulate threaded collar 41 internal face screw thread 45, highly regulate the end umbrella tooth 43 of threaded collar 41 bottoms, with the active umbrella tooth of end umbrella tooth 43 engagements and control the high and low position that the elevating rocker arm unit 20 of umbrella tooth initiatively regulates lifting tube.
Described level orientation turntable 5 main bodys consist of with the turntable side plate 16 of the both sides of base plate 39 one the base plate 39 of lower annular, as shown in Figure 3, level orientation turntable 5 lower annular flange are provided with limited ring groove 59, caging bolt 59, the ring gear being also provided with on lower annular flange end face and the cylindricality gear that should mesh with ring gear, described cylindricality gear belongs to azimuth rotation swing arm unit 18, there is level at turntable side plate 16 tops to coaxial through-hole, described level orientation turntable 5 makes it only have the degree of freedom of rotating around central axis by the caging bolt 59 in the limited ring groove 59 in lower annular flange and embedding limited ring groove 59, and the concrete orientation that is meshed to regulate level orientation turntable 5 by the ring gear on level orientation turntable 5 lower annular flange end faces and with the cylindricality gear of azimuth rotation swing arm unit 18 towards.
As shown in Figure 3, described inclination angle reel cage 6 agent structures are similar to level orientation turntable 5, by the annular base plate of bottom be positioned at two side rake angle reel cage side plates 26 and form, inclination angle reel cage 6 is connected with the inclination angle reel cage axle 14 hinge knots of level orientation turntable 5 by cast, in reel cage side plate 26 inner sides, inclination angle, is also provided with vertically to positioning strip 60, the edge locating notch of the ring-like dish of outside wall surface screw thread and top that described switching lifting disk 53 has the ring-like dish in top, measured piece fixing threaded hole 55, be screwed with lifting tube regulating ring 54 internal face screw threads, lifting tube regulating ring 54 outside wall surface are provided with to regulate uses the jack that regulates driving lever while rotating, described the inclination angle reel cage side plate being parallel to each other 26 height and lateral surface spacing are all less than turntable side plate 16 height and corresponding medial surface spacing, inclination angle reel cage axle 14 fixes with inclination angle reel cage 6, reel cage axle 14 one end, inclination angle are the large ends with cap mouth flange, the other end is the snail gear end 50 that is piercing in side outside turntable side plate 16 top horizontal shaft holes, near in the inclination angle reel cage axis hole 32 of snail gear end 50, be provided with axis hole vane 56, it on snail gear end 50 end grains, is the corner index dial of 360 degree, snail gear end 50 meshes with the gear on worm that inclination angle reel cage rotates rocking arm 27, on the annular base plate of described inclination angle reel cage 6 bottoms, have a plurality of screws for fixing measured piece, the bottom of annular base plate is smooth, except the perpendicular bisector with two inclination angle reel cage side plate 26 symmetrical lines the lower portion of process be provided with chamfering.
Described main structure frame 29 is by chase mortise structure, mutually locate and be fixed into an integral body by binder bolt by connecting swash plate 12, flat board 8 and base plate more than 10 part structures.
The angle of circumference of described semicircle orifice 49 is greater than 200 degree.
Two described angles that connect 12 of swash plates, between 24-53 degree, connect in the groove of offering at swash plate 12 tops and are fixed with vertical aiming plate 9.
Described reel cage axle 14 ends, inclination angle are provided with the index dial of corner 360 degree indentations, and inclination angle reel cage axle 14 is fixed by inclination angle reel cage axle head flange and inclination angle reel cage side plate 26 top through holes.
Described static leg disc 23 is supported by the static leg screw rod 24 of spiral lifting, the latch that can plug in crank is arranged at the top of static leg screw rod 24, the screw thread that static leg screw rod 24 upper semisections are screws that spiro rod section is corresponding with base plate 10 is screwed, lower semisection is round bar part, in this round bar part, have foldable an angle of 90 degrees and can locking the folding hinge 25 of location, round bar part bottom becomes the dome-type hemispherical groove corresponding with static leg disc 23 tops to match to merge and survives the connecting structure that moves globe joint type.
Described elevating rocker arm unit 20 forms by rocker handle, lifting transmission shaft, lifting tube elevating rocker arm unit frame 30 with the fixing umbrella tooth of lifting transmission shaft.
Described switching lifting disk 53 circular hole places, top can block extend for switching lifting disk 53 tops the movable cylindricality platform that increases to lay the tested instrument that yardstick is very little, increase the fluting that two sections that cylindricality table top centre is provided with into right-angled intersection become V-type, the fluting of V-type is in order to lay cylindrical shape measured body or the columniform sensor of minor diameter.
Described annular plate 1 is located and is adopted ears nut 11 that annular plate 1 is navigated to main structure frame 29 both sides by register pin 21, the through hole corresponding to set bolt 31 and annular plate 1 bottom of main structure frame 29 both sides, finally fixing by annular slab tie rod 33 and manual ears nut 15.
Singularity due to Helmholtz coils, except coil, link wire, plug connector, walking castor, static leg disc and static leg screw rod for copper, aluminium or stainless steel material making, remaining part is all used engineering plastics to make, to guarantee the detection field intensity of Helmholtz coils central core working position and homogeneity and the consistance of direction.Lifting tube 19 is that the first order of measured piece position height regulates, be equivalent to coarse adjustment, particularly when only making azimuth rotation and not making the measurement of any tilt adjustment and the higher or lower measured piece of yardstick own, only need can align measured piece measuring position to the central field region of Helmholtz coils by these parts of lifting, and the afterbody that topmost is equivalent to measured piece height and position near the switching lifting disk 53 of measured piece position to regulate be the adjusting parts that while doing any tilt adjustment measurement, measured piece geometric center must align Helmholtz coils center (line), be equivalent to thin tuning part, slightly, both are indispensable for thin tuning, it is all the vitals that three dimensionality locus regulates.The diameter of center pit 48 is dull and stereotyped 8 width (60 ± 18) %.The descending through hole 63 of height gauge that center pit 48 outsides also have rectangle is used for descending the passing through of height gauge 62 being fixed on flange flange 4 lateral surfaces, and height gauge 62 is carved with the digital scale of indication lifting tube adjusting position height, for testing reference.
Use and regulate driving lever to insert the jack that is positioned at lifting tube regulating ring (54) outside wall surface, stir while regulating driving lever, with regulating the rotation of driving lever and the rotation of lifting tube regulating ring (54) just to change switching lifting disk (53) even if the height measured piece barycenter of end face is accurately adjusted to the place height at Helmholtz coils center.
Helmholtz coils of the present invention can be achieved by following technical proposals.
As shown in Figure 1, first choose thickness and be dull and stereotyped two of the wooden or engineering plastics with water-proof coating of 35 millimeters, the length and width of every block of plate are of a size of 2,100 2100 millimeters.It is the plectane of 2065 millimeters that every plate milling is become to diameter, mills out the toroidal cavity 3 that a section is matrix on plectane edge surface, and toroidal cavity 3 is wide 15 millimeters, and dark 13 millimeters, toroidal cavity 3 is positioned at thickness of slab middle part.Concentric to mill out a diameter be 1560 millimeters with plectane, the semicircle orifice 49 of angle of circumference approximately 260 degree, forms and has the annular plate 2 that internal diameter is 1560 millimeters of semicircle orifices.Hole straight flange on annular plate 2 is exactly the straight flange of semicircle orifice 49, is parallel to the flat board 8 at equipment platform place.Semicircle orifice 49 is positioned at the top of annular plate 2, and the windage on top in the time of can effectively lowering the center of gravity of system and outdoor application reduces Vibration induction interference that the moment of wind resistance of system produces etc., improves measuring accuracy.Each edge rings connected in star 3 interior close around 9 circle diameters, be the electric current loop coil of 0.6 millimeter of enameled wire, electric current loop coil is attached in the coil that is fixed on annular plate 2 relative inner and connects on connector 35, two groups of electric current loop coils are linked by the shielding line series aiding connection of a two ends band plug again, finally by the external connector 34 in outside that is equipped with at annular plate 2, are joined with the plug of signal source wire.
Two blocks of annular plates 2 are done to coaxial, parallel equidistant fixing, and spacing dimension is 1/2 of electric current loop coil diameter size.The spacing of two blocks of annular plates 2 is that 45 millimeters and two ends are fixing through the annular plate tie rod 33 of the engineering plastics of the wooden partition of annular plate 2 by 4 diameters, annular plate tie rod 33 two ends are thread end of M45 3 screw threads of each long 85MM, between thread end and stage casing, be provided with tie rod locating flange 36, and fixed by manual ears nut 15 quick lockings.Effective length between two tie rod locating flanges 36 of annular plate tie rod 33 is 1000 millimeters, and annular plate tie rod 33 is fastened to after annular plate 2, and two blocks of annular plates 2 reach the spacing yardstick of regulation.The diameter of register pin 21 and set bolt 31 is 25MM.
Semicircle orifice 49 angles of circumference of described annular plate 2 are greater than 200 degree conventionally, get 236 degree herein.
The bottom of two annular plates 2 connects main structure frame 29 location that swash plates 12, one flat plate 8 and base plate 10 form for main body and is fixed as one by two, dull and stereotyped 8 are of a size of 1500 * 1050 * 38 millimeters, assembling rear plate 8 end faces is 455 millimeters lower than the surface level at annular plate 2 places, center, and the diameter dimension of the center pit 48 at dull and stereotyped 8 middle parts is 580MM.Be usually located at spacing between the through hole that holds backstay guide cylinder 57 of center pit 48 both sides and be 1.25 ± 0.15 times of center pit 48 diameters, these two the concrete diameters of through hole that hold backstay guide cylinder 57 are 60MM, the spacing dimension of two through holes is 680MM, in two through holes are all fixed with, overall diameter is respectively that 45.3MM and 60MM length are that 80MM backstay guide cylinder 57 makes lifting tube backstay 28 keep locating that attitude is constant all the time, lifting tube backstay 28 total lengths are 405MM, diameter dimension 45MM, on dull and stereotyped 8, both sides, middle part axis vane 7 sectional dimensions are 75 * 20 millimeters, fixing by manual ears nut 11, connecting swash plate 12 width is, in the fluting at two connection swash plate 12 tops, is fixed with vertical aiming plate 9.On two air-bubble levels 13 are vertically arranged on a jiao of dull and stereotyped 8 end faces to arrangement mutually, dull and stereotyped 8 double as the reference platform of tested instrument, and position height is 456MM under annular plate 2 centers of circle, and the plane parallel at dull and stereotyped 8 places is in the straight flange of semicircle orifice.
The diameter of lifting tube (19) at flange flange 4 places is that the diameter at 730MM, lifting tube outside wall surface screw thread place is that 510MM, hole internal diameter are 465MM, overall height 435MM, flange flange 4 thickness are 43MM, the dark 32MM of coaxial annular groove 58, external diameter 706MM, internal diameter 480MM.The external diameter that highly regulates threaded collar 41 main parts is 580MM, overall height 98MM, the wide 6MM of internal face screw thread 45, and the tooth module of threaded collar end umbrella tooth 43 is 2; The diameter of top locating flange 46 is 610MM, height 15MM, locking annular groove 51 width 13MM.Level orientation turntable 5 external diameter 730MM, internal diameter 465MM, base thickness 32MM (disregarding flanged ring), turntable side plate 16 cross sectional dimensions are 110 38MM, height 198MM,
As shown in Figure 2, the shaft diameter of the inclination angle reel cage axle (14) of cast is that 80MM, hole internal diameter are 50MM, fixing with inclination angle reel cage (6) top of inclination angle reel cage axle (14) cap mouth flange by outside diameter 105MM by 3 bolts, snail gear end (50) length that snail gear end (50) stretches out in the Outboard Sections of turntable side plate (16) is 35MM.220 millimeters of internal diameters, 115 millimeters of the height overalls of switching lifting disk 53, there are 340 mm dias and 16 millimeters of thickness in the flange dish type outer at switching lifting disk 53 tops.Switching lifting disk 53 hole Nei Keka are put 100 millimeters of height overalls, the movable cylindricality platform that increases that external diameter is 230 millimeters is to lay the tested instrument that yardstick is very little, increasing two sections that cylindricality table top centre is provided with into right-angled intersection becomes the length of fluting of V-type with to increase cylindricality platform diameter identical, width is 12 millimeters, to lay the measured body of cylindrical shape.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. a Helmholtz coils center adjustment turntable, comprise main structure frame (29), this main structure frame (29) comprises two blocks of co-axially fixed annular plates (2), on described annular plate (2), have semicircle orifice (49), its peripheral annular face is provided with the groove around whole circumference, and in described groove winding around, it is characterized in that
Described Helmholtz coils center adjustment turntable also comprises orientation and crane (37), and described orientation and crane comprise height adjusting unit, level orientation regulon and tilt adjustment unit;
Described height adjusting unit comprises and highly regulates threaded collar (41) and by the sheathed lifting tube (19) wherein of screw thread matching, and elevating rocker arm (20), described height regulates threaded collar (41) bottom to be provided with end umbrella tooth (43), and described end umbrella tooth (43) is meshed with the active umbrella tooth being connected with elevating rocker arm (20); By shaking elevating rocker arm (20), the end umbrella tooth (43) that drives active umbrella tooth and be engaged with rotates, cause and highly regulate relatively rotating of threaded collar (41) and lifting tube (19), realize the adjusting of lifting tube (19), azimuth rotating platform base plate (65) and the whole upper system height and position of level orientation turntable (5);
Flange flange (4) is arranged at described lifting tube (19) top, and flange flange (4) end face is provided with coaxial annular groove (58) and is connected with the annular flange flange coupling of level orientation turntable (5) bottom;
Described level orientation regulon comprises level orientation turntable (5), described level orientation turntable (5) comprises the base plate (39) of lower annular, and with base plate (39) all-in-one-piece, be positioned at the turntable side plate (16) of both sides, on the annular flange flange end face of described base plate (39), be also provided with ring gear, described ring gear is meshed with the cylindricality gear that rotation swing arm unit (18) is connected, rotate described rotation swing arm unit (18), this ring gear that drives described cylindricality gear and be engaged with rotates, thereby realizes the rotation of whole level orientation turntable (5);
The annular flange flange of described level orientation turntable (5) bottom is provided with limited ring groove (64), the flange flange (4) of the azimuth rotating platform base plate (65) of described lifting tube (19) top disc shape is provided with caging bolt (59), described caging bolt (59) embeds in limited ring groove (64) groove, makes level orientation turntable (5) do to horizontally rotate around lifting tube (19) central axis of vertical direction;
Described tilt adjustment unit comprises inclination angle reel cage (6), annular base plate bottom described inclination angle reel cage (6) comprises and with it all-in-one-piece are positioned at the inclination angle reel cage side plate (26) of annular base plate both sides, in inclination angle reel cage side plate (26) inner side, be also provided with vertically to positioning strip (60) and in the stopper slot that switching lifting disk (53) edge is corresponding, make it only to make the height of vertical direction and regulate and corresponding rotation or the angular displacement coaxial with lifting tube regulating ring (54) can not occur buckleing with switching lifting disk (53) Lower Half outside wall surface spiral shell the lifting disk (53) of transferring under the rotary action of the lifting tube regulating ring (54) screwing togather for being embedded into,
Described inclination angle reel cage side plate (26) is connected with the coaxial hinge knot of inclination angle reel cage axle (14) of turntable side plate (16) by cast, inclination angle reel cage axle (14) one end is for being close to the large end with cap mouth flange of inclination angle reel cage side plate (26) inclination angle, top reel cage axis hole interior sidewall surface, inclination angle reel cage axle (14) all fixes by the large end with cap mouth flange and screw and inclination angle reel cage side plate (26), its other end is taken turns (50) for being piercing in the axle head wrom tooth in turntable side plate (16) inclination angle, top reel cage axis hole (32) outside, described axle head wrom tooth wheel (50) is meshed with the axle head gear on worm of tilt adjustment worm screw (42), when described inclination angle reel cage rotation rocking arm (27) shakes, drive the axle head gear on worm rotation on tilt adjustment worm screw (42) and drive the axle head wrom tooth meshing to take turns (50) and inclination angle reel cage axle (14) and whole inclination angle reel cage (6) thereupon and do the rotation around inclination angle reel cage axle (14), described tilt adjustment worm screw (42) and inclination angle reel cage rotate rocking arm (27) and include in tilt adjustment group (66) and be arranged on turntable side plate (16) lateral wall.
2. Helmholtz coils center adjustment turntable according to claim 1, it is characterized in that, described main structure frame (29) is mutually located and is fixed into one by binder bolt by chase mortise structure by annular plate (2), dull and stereotyped (8), connection swash plate (12), base plate (10) and static leg disc (23).
3. Helmholtz coils center adjustment turntable according to claim 2, it is characterized in that, described annular plate (2) is fixed in main structure frame (29) both sides by register pin (21), set bolt (31) and the ears nut (11) of main structure frame (29) both sides, annular slab tie rod (33) is set simultaneously between two annular plates (2), and described annular slab tie rod (33) end is fixing by manual ears nut (15);
Described flat board (8) and base plate (10) are all horizontally disposed with, and be fixedly connected by two blocks of annular plates (2), the connection swash plate (12) that is positioned at annular plate (2) bottom, register pin (31), set bolt (31) and ears nut (21) and annular slab tie rod (3), four angular positions of described flat board (8) all cut out square breach (61) and connect the rectangular opening of swash plate (12) and the semicircle orifice (49) of annular plate (2) to embed respectively;
Described connection swash plate (12) has the quadrilateral dielectric-slab of rectangular opening for being arranged on the top of flat board (8) both sides, angle between the connection swash plate (12) described in two is 24～53 degree, in the groove at connection swash plate (12) top center edge, is fixed with vertical aiming plate (9);
Described flat board (8) is provided with for the center pit (48) that highly regulates threaded collar (41) to pass and the hole and the descending through hole of height gauge (63) that pass for backstay guide cylinder (57), dull and stereotyped (8) middle part is provided with a vertical flat board, this vertical flat board is provided with axis vane (7), and the surface level of dull and stereotyped (8) is provided with air-bubble level (13);
Described base plate (10) is provided with the flat board of rectangle opening for middle part, middle removal one rectangular strip on its four limit forms four jiaos of integral body of protruding and becomes four limit profiles of X-shaped dull and stereotyped, and four jiaos of places at base plate (10) arrange static leg disc (23), described static leg disc (23) is disc, and is arranged on the liftables at four jiaos of base plate (10) places, the movable connecting structure of foldable static leg screw rod (24) end balling-up joint type.
4. Helmholtz coils center adjustment turntable according to claim 3, it is characterized in that, described static leg disc (23) is supported by the static leg screw rod (24) of spiral lifting, the top of static leg screw rod (24) is provided with the plunger that patches that can plug in crank, convenient plug is used for regulating the provisional hand crank of the static leg disc of Helmholtz coils (23) height, static leg screw rod (24) upper semisection is spiro rod section, the screw thread of the screw corresponding with base plate (10) is screwed, lower semisection is round bar part, in this round bar part, be provided with foldable an angle of 90 degrees and can locking the folding hinge (25) of location, round bar part bottom is the hemispherical groove that dome-type is corresponding with static leg disc (23) top and matches, be the link of movable balls joint type.
5. Helmholtz coils center adjustment turntable according to claim 1, it is characterized in that, on described flange flange (4), be fixed with lifting tube backstay (28) and be fixedly installed height gauge (62) at flange flange (4) lateral surface.
6. Helmholtz coils center adjustment turntable according to claim 1, it is characterized in that, described base plate (39) is provided with switching lifting disk (53), described switching lifting disk (53) is provided with the ring-like dish in top, measured piece fixing threaded hole (55), in described switching lifting disk (53) outer rim, be provided with the outside wall surface screw thread being screwed with lifting tube regulating ring (54) internal face screw thread, and with the edge locating notch of the ring-like dish in top, lifting tube regulating ring (54) outside wall surface is provided with to regulate uses the jack that regulates driving lever while rotating;
Described circular hole place, switching lifting disk (53) top for card extend for switching lifting disk (53) top the movable cylindricality platform that increases to lay the tested instrument that yardstick is little, increase the fluting that two sections that cylindricality table top centre is provided with into right-angled intersection become V-type, the fluting of V-type is in order to lay cylindrical shape measured body or columniform sensor.
7. Helmholtz coils center adjustment turntable according to claim 1, it is characterized in that, described inclination angle reel cage axle (14) end is provided with the index dial of corner 360 degree indentations, and inclination angle reel cage axle (14) is fixed by inclination angle reel cage axle head flange and inclination angle reel cage side plate (26) top through hole.
8. Helmholtz coils center adjustment turntable according to claim 1, is characterized in that, has a plurality of screws for fixing measured piece on the annular bottom plate of described inclination angle reel cage (6) bottom.
9. Helmholtz coils center adjustment turntable according to claim 1, it is characterized in that, described elevating rocker arm (20) is by rocker handle, lifting transmission shaft (67), lifting tube elevating rocker arm unit frame (30) and forming with the fixing umbrella tooth of lifting transmission shaft, wherein rocker handle and umbrella tooth are respectively fixed on the two ends of lifting transmission shaft (67), lifting tube elevating rocker arm unit frame (30) is a rectangular hexahedron, the through hole that middle part has a level is for laying lifting transmission shaft (67), lifting tube elevating rocker arm unit frame (30) is fixed under flat board (8), make the umbrella tooth of lifting transmission shaft (67) one end and end umbrella tooth (43) engagement that highly regulates threaded collar (41) bottom, the rocker handle of the other end stretches out in outside flat board (8) side to be convenient to shake.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110315092.9A CN103048551B (en) | 2011-10-17 | 2011-10-17 | Center regulating rotary table for Helmholtz coil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110315092.9A CN103048551B (en) | 2011-10-17 | 2011-10-17 | Center regulating rotary table for Helmholtz coil |
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| CN103048551B true CN103048551B (en) | 2014-12-10 |
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| CN201110315092.9A Expired - Fee Related CN103048551B (en) | 2011-10-17 | 2011-10-17 | Center regulating rotary table for Helmholtz coil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104173182A (en) * | 2013-11-17 | 2014-12-03 | 陈莉芬 | Moxibustion cylinder |
| CN105353599A (en) * | 2015-12-14 | 2016-02-24 | 珠海罗西尼表业有限公司 | Watch antimagnetic performance detection device |
| CN109596863B (en) * | 2018-12-03 | 2020-11-27 | 清华大学 | Tested part fixing clamp for Helmholtz coil test |
| CN110061571B (en) * | 2019-05-09 | 2024-06-25 | 东北农业大学 | High-frequency microwave type wireless charging device and application method thereof |
| CN110058090B (en) * | 2019-06-05 | 2019-12-03 | 诸暨市圣元塑胶材料有限公司 | A kind of detection device for reducing electromagnetic radiation and electromagnetic radiation being detected |
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|---|---|---|---|---|
| US5032792A (en) * | 1990-04-05 | 1991-07-16 | United States Of America | Electromagnetic coil array having three orthogonally related coil pairs for use as Helmholtz and Degaussing coils |
| CN2874517Y (en) * | 2005-11-18 | 2007-02-28 | 中国科学院空间科学与应用研究中心 | Dismantling type Helmholtz coil |
| CN1963546B (en) * | 2005-11-08 | 2010-05-05 | 中国科学院空间科学与应用研究中心 | Removable Helmholtz coil used for field assay |
| CN201764984U (en) * | 2010-07-16 | 2011-03-16 | 江阴香江光电仪器有限公司 | Connector for bracket and base of 360-DEG precision measuring instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09292450A (en) * | 1996-04-26 | 1997-11-11 | Sony Corp | Magnetic-field measuring system |
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2011
- 2011-10-17 CN CN201110315092.9A patent/CN103048551B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5032792A (en) * | 1990-04-05 | 1991-07-16 | United States Of America | Electromagnetic coil array having three orthogonally related coil pairs for use as Helmholtz and Degaussing coils |
| CN1963546B (en) * | 2005-11-08 | 2010-05-05 | 中国科学院空间科学与应用研究中心 | Removable Helmholtz coil used for field assay |
| CN2874517Y (en) * | 2005-11-18 | 2007-02-28 | 中国科学院空间科学与应用研究中心 | Dismantling type Helmholtz coil |
| CN201764984U (en) * | 2010-07-16 | 2011-03-16 | 江阴香江光电仪器有限公司 | Connector for bracket and base of 360-DEG precision measuring instrument |
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Address after: 100190 No. two south of Zhongguancun, Haidian District, Beijing 1 Patentee after: NATIONAL SPACE SCIENCE CENTER, CAS Address before: 100190 No. two south of Zhongguancun, Haidian District, Beijing 1 Patentee before: NATIONAL SPACE SCIENCE CENTER, CHINESE ACADEMY OF SCIENCES |
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