Summary of the invention
The present invention provides a kind of self-centering positioning and clamping devices of fluxgate, are able to solve magnetic flux gate test in the prior art
As a result the low technical problem of accuracy.
The present invention provides a kind of self-centering positioning and clamping device of fluxgate, the self-centering positioning and clamping device packets of fluxgate
Include: pedestal, pedestal have magnetic head receiving portion, and magnetic head receiving portion is used to accommodate the magnetic head of fluxgate;Magnetic head clamping section, magnetic head clamp
Portion is arranged on the base, and magnetic head clamping section is used for magnetic head is fixed on the base so that the sensitivity center of magnetic head and test equipment
Center is overlapped;Resilient bushing is locked, locking resilient bushing is set in the outside of pedestal;It screws in and screws out component, screw in and screw out component
It is movably disposed in test equipment, screws in and screw out component for realizing the fixation between pedestal and test equipment;Wherein, exist
In the test process of fluxgate, pedestal is arranged in test equipment, and locking resilient bushing is matched with the inner wall of test equipment, revolves
Enter to screw out component to be moved between locking resilient bushing and pedestal so that pedestal to be fixed in test equipment.
Further, screwing in and screwing out component includes locking nut and locking ear, in the test process of fluxgate, locking screw
The external screw thread of female internal screw thread and pedestal is cooperatively connected, and locking ear is removably disposed on locking nut, and locking ear can drive
Locking nut is moved along the inner wall of test equipment.
Further, locking nut tool includes two elastic arms there are two the insertion groove being oppositely arranged, locking ear, locks ear
Under stress, two elastic arms can be arranged in a one-to-one correspondence in insertion groove with realize locking nut and lock ear between consolidating
It is fixed.
Further, screwing in and screwing out component further includes setting element, and setting element has gripping handle and locating rod, pedestal
It further include locating slot, one end of locating rod is matched with locating slot, and the other end of locating rod is connect with gripping handle, and locking ear can
It moves and is rotatably arranged in locating rod.
Further, locking ear further includes hollow cylindrical tube, and hollow cylindrical tube has through-hole, and two elastic arms are symmetrical arranged
In hollow cylindrical tube two sides, locating rod is matched with the through-hole of hollow cylindrical tube, and the diameter of locating rod is less than the diameter of through-hole.
Further, magnetic head clamping section includes pressing plate, and pressing plate is movably disposed on pedestal, and pressing plate is for fixing magnetic
Head.
Further, magnetic head clamping section further includes housing screw, and pressing plate has sliding groove, and housing screw is arranged in sliding groove
Interior, pedestal further includes threaded hole, and in the test process of fluxgate, housing screw and threaded hole secure fit are with solid by pressing plate
Determine magnetic head.
Further, magnetic head clamping section includes multiple pressing plates, and fluxgate has multiple magnetic heads, multiple pressing plates and multiple magnetic heads
It is arranged in a one-to-one correspondence.
Further, pedestal further includes circuit accommodator, and circuit accommodator is connected with magnetic head receiving portion, circuit board setting
In circuit accommodator, in the test process of fluxgate, circuit board is fixedly installed on the base.
It applies the technical scheme of the present invention, provides a kind of self-centering positioning and clamping device of fluxgate, screwed out by screwing in
Movement of the component in test equipment can quickly carry out the locking of pedestal and loosen, and magnetic head is set by the fixation of magnetic head clamping section
Set in pedestal, and the sensitivity center of magnetic head and the center of test equipment coincide, thus no matter the size of coupling mechanism force, can general
Magnetic head is accurately fixed at the axis of test equipment, to improve the accuracy of magnetic flux gate test.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is right below
The description only actually of at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or use
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
As depicted in figs. 1 and 2, a kind of self-centering positioning and clamping dress of fluxgate is provided according to a particular embodiment of the invention
It sets, the self-centering positioning and clamping device of the fluxgate includes pedestal 10, magnetic head clamping section 20, locking resilient bushing 30 and screws in back-out
Component 40, pedestal 10 have magnetic head receiving portion 11, and magnetic head receiving portion 11 is used to accommodate the magnetic head of fluxgate, and magnetic head clamping section 20 is set
It sets on pedestal 10, magnetic head clamping section 20 is for magnetic head to be fixed on pedestal 10 so that the sensitivity center of magnetic head and test equipment
Center be overlapped, locking resilient bushing 30 is set in the outside of pedestal 10, screws in and screws out component 40 and be movably disposed at test
In equipment, screws in and screw out component 40 for realizing the fixation between pedestal 10 and test equipment, wherein in the test of fluxgate
Cheng Zhong, pedestal 10 are arranged in test equipment, and locking resilient bushing 30 is matched with the inner wall of test equipment, screw in and screw out component
40 are moved between locking resilient bushing 30 and pedestal 10 so that pedestal 10 to be fixed in test equipment.
Using such configuration mode, a kind of self-centering positioning and clamping device of fluxgate is provided, screws out component by screwing in
40 movement in test equipment 200 can quickly carry out the locking of pedestal 10 and loosen, and magnetic head 100 passes through magnetic head clamping section
20 are fixed in pedestal 10, and the sensitivity center of magnetic head 100 and the center of test equipment 200 coincide, therefore no matter lock
Magnetic head 100 can be accurately fixed at the axis of test equipment 200 by the size of clamp force, to improve magnetic flux gate test
Accuracy.The sensitivity center of magnetic head 100 described herein is overlapped in the sensitivity for referring to magnetic head 100 with the center of test equipment 200
The heart is located on the axis of test equipment 200.
Specifically, in the present invention, the center of pedestal 10 and the center of test equipment 200 coincide, and put when by magnetic head 20
Set in magnetic head receiving portion, the center of magnetic head 20 and the center of pedestal 10 coincide, from regardless of coupling mechanism force size, can general
Magnetic head 100 is accurately fixed at the axis of test equipment 200, so that in the sensitivity center of magnetic head 100 and test equipment 200
The heart coincides, and improves the accuracy of magnetic flux gate test.
Further, in the present invention, in order to realize the quick locking of pedestal 10 and loosen, component 40 can be screwed out by screwing in
It is configured to include locking nut 41 and locking ear 42, in the test process of fluxgate, the internal screw thread and pedestal of locking nut 41
10 external screw thread is cooperatively connected, and locking ear 42 is removably disposed on locking nut 41, and locking ear 42 can drive locking nut
41 move along the inner wall of test equipment.
Using such configuration mode, in the test process of fluxgate, pedestal 10 is arranged in test equipment 200, locking
Resilient bushing 30 is matched with 200 inner walls of test equipment, at this point, locking ear 42 is fixed on locking nut 41, rotation lock
Tightly ear 42, locking ear 42 drive the rotation of locking nut 41 along the direction of the close magnetic head 100 of the inner wall of test equipment 200 direction
It is mobile, until the external screw thread of the internal screw thread of locking nut 41 and pedestal 10 is cooperatively connected, the insertion locking elasticity lining of locking nut 41
Between set 30 and pedestal 10, at this point, the outer diameter of locking resilient bushing 30 increases to be adjacent to the inner wall of test equipment 200, thus real
The purpose that existing clamping device and the inner wall of test equipment 200 are mutually fixed, such mode make the sensitivity center of magnetic head 100 be located at survey
On the axis for trying equipment 200, the accuracy of magnetic flux gate test is greatly improved.After clamping device locking, ear can will be locked
42 remove from locking nut 41, and remove from test equipment 200.After fluxgate is completed, again by locking ear 42
It is fixed on locking nut 41, locking ear 42 drives locking nut 41 to be directed away from magnetic head 100 along the inner wall of test equipment 200
Direction it is mobile, until locking nut 41 leaves locking resilient bushing 30, the outer diameter for locking resilient bushing 30 at this time becomes smaller, can will
Entire self-centering positioning device is removed from test equipment 200.
Further, in the present invention, the simplicity and easy implementation for considering manufacture craft, can configure locking nut 41
To have there are two the insertion groove being oppositely arranged, locking ear 42 includes two elastic arms 421, locks ear 42 under stress, and two
A elastic arm 421, which can be arranged in a one-to-one correspondence, is realizing the fixation between locking nut 41 and locking ear 42 in insertion groove.
Using such configuration mode, in the test process of fluxgate, pedestal 10 is arranged in test equipment 200, locking
Resilient bushing 30 is matched with the inner wall of test equipment 200, at this point, operator is respectively to two elastic arms 421 of locking ear 42
Two elastic arms 421 are corresponded insertion so that the distance between two elastic arms 421 of locking ear 42 become smaller by force
In two insertion grooves being oppositely arranged of locking nut 41, locking ear 42 restores former long in insertion groove, to realize locking ear
Fixation between 42 and locking nut 41.Locking ear 42 drives the rotation of locking nut 41 along the inner wall court of test equipment 200
It is mobile to the direction of close magnetic head 100, until the external screw thread of the internal screw thread of locking nut 41 and pedestal 10 is cooperatively connected, locking screw
Between 41 insertion locking resilient bushing 30 of mother and pedestal 10, at this point, the outer diameter increase of locking resilient bushing 30 is set with being adjacent to test
Standby 200 inner wall, to realize the purpose that the inner wall of clamping device and test equipment 200 is mutually fixed, such mode makes magnetic head
100 sensitivity center is located on the axis of test equipment 200, greatly improves the accuracy of magnetic flux gate test.Clamping device
After locking, operator respectively exerts a force to two elastic arms 421 of locking ear 42, so that two elastic arms of locking ear 42
The distance between 421 become smaller, and two elastic arms 421 are removed from two insertion grooves respectively, lock ear 42 from locking nut
It removes on 41, and is removed from test equipment 200.
Further, in the present invention, it in order to improve the positioning accuracy of the self-centering positioning and clamping device of fluxgate, can will revolve
Enter to screw out component 40 and be configured to further include setting element 43, setting element 43 has gripping handle 431 and locating rod 432, pedestal
10 further include locating slot 12, and one end of locating rod 432 is matched with locating slot 12, the other end and gripping handle of locating rod 432
431 connections, locking ear 42 is removable and is rotatably arranged in locating rod 432.
Using such configuration mode, in the test process of fluxgate, pedestal 10 is arranged in test equipment 200, locking
Resilient bushing 30 is matched with the inner wall of test equipment 200.At this point, by the locating slot on one end of locating rod 432 and pedestal 10
12 match, and locking ear 42 is removable and is rotatably arranged in locating rod 432, and operator is respectively to two of locking ear 42
Elastic arm 421 exerts a force, so that the distance between two elastic arms 421 of locking ear 42 become smaller, one by one by two elastic arms 421
In two insertion grooves being oppositely arranged of corresponding insertion locking nut 41, locking ear 42 restores former long in insertion groove, thus real
Now lock the fixation between ear 42 and locking nut 41.Locking ear 42 drives the rotation of locking nut 41 along test equipment 200
Inner wall it is mobile towards the direction close to magnetic head 100, connect until the external screw thread of the internal screw thread of locking nut 41 and pedestal 10 cooperates
It connects, between the insertion of locking nut 41 locking resilient bushing 30 and pedestal 10, at this point, the outer diameter of locking resilient bushing 30 increases to paste
The inner wall of tight test equipment 200, thus realize the purpose that the inner wall of clamping device and test equipment 200 is mutually fixed, such mode
So that the sensitivity center of magnetic head 100 is located on the axis of test equipment 200, the accuracy of magnetic flux gate test is greatly improved.
After clamping device locking, operator respectively exerts a force to two elastic arms 421 of locking ear 42, so that two of locking ear 42
The distance between elastic arm 421 becomes smaller, and two elastic arms 421 are removed from two insertion grooves respectively, locks ear 42 from lock
It removes on tight nut 41, and is removed from test equipment 200.
Further, in the present invention, in order to enable locking ear 42 moves and is rotatably arranged in locating rod 432
On, locking ear 42 can be configured to further include hollow cylindrical tube 422, hollow cylindrical tube 422 has through-hole, two elastic arms 421
422 two sides of hollow cylindrical tube are symmetricly set on, locating rod 432 is matched with the through-hole of hollow cylindrical tube 422, locating rod 432
Diameter is less than the diameter of through-hole.
In the present invention, in order to realize the compression to magnetic head 100, magnetic head clamping section 20 can be configured to include pressing plate 21,
Pressing plate 21 is movably disposed on pedestal 10, and pressing plate 21 is used for fixed head.Using such configuration mode, in the survey of fluxgate
During examination, is exerted a force by pressing plate 21 to magnetic head 100, magnetic head 100 is pressed abd fixed on pedestal 10.When the test of fluxgate
After, pressing plate 21 can be loosened, magnetic head 100 be removed from pedestal 10, such mode is simple, convenient.
Further, as a specific embodiment of the invention, as shown in Fig. 2, magnetic head clamping section 20 further includes compressing
Screw 22, pressing plate 21 have sliding groove, and housing screw 22 is arranged in sliding groove, and pedestal 10 further includes threaded hole, in fluxgate
Test process in, housing screw 22 and threaded hole secure fit are to pass through 21 fixed head 100 of pressing plate.
Using such configuration mode, in the test process of fluxgate, pressing plate 21 has sliding groove, and housing screw 22 is arranged
It is closed in sliding groove and with the corresponding threaded holes on pedestal 10, after pressing plate 21 is moved to setting position, housing screw 22 and base
Magnetic head 100, is pressed abd fixed on pedestal 10 by the screw hole secure fit locking pressure plate 21 on seat 10 by pressing plate 21.Work as magnetic flux
After being completed of door, loosen housing screw 22, pressing plate 21 is removed with heads released 100, and magnetic head 100 is moved up from pedestal 10
Out.
Further, in the present invention, in order to improve the tautness that magnetic head is locked, magnetic head clamping section 20 can be configured to wrap
Multiple pressing plates 21 are included, fluxgate has multiple magnetic heads, and multiple pressing plates 21 are arranged in a one-to-one correspondence with multiple magnetic heads.As of the invention
One specific embodiment, magnetic head clamping section 20 include three spaced pressing plates 21, and there are three spaced for fluxgate tool
Magnetic head 100, three pressing plates 21 are arranged in a one-to-one correspondence with three magnetic heads 100, by pressing plate 21 magnetic head 100 is pressed abd fixed on base
On seat 10.
In addition, in the present invention, pedestal 10 further includes circuit accommodator 13, circuit accommodator 13 and 11 phase of magnetic head receiving portion
Connection, circuit board are arranged in circuit accommodator 13, and in the test process of fluxgate, circuit board 110 is fixed at pedestal
On 10.
Further understand to have to the present invention, below with reference to Fig. 1 to Fig. 2 to the self-centering positioning of fluxgate of the invention
The course of work of clamping device is described in detail.
As depicted in figs. 1 and 2, as a specific embodiment of the invention, the self-centering positioning and clamping device packet of fluxgate
It includes pedestal 10, magnetic head clamping section 20, locking resilient bushing 30 and screws in back-out component 40, wherein screw in back-out component 40 and configure
Being includes locking nut 41, locking ear 42 and setting element 43, and fluxgate includes three magnetic heads 100, and magnetic head clamping section 20 includes
Three pressing plates 21 and three housing screws 22.
In the test process of fluxgate, firstly, three magnetic heads 100 are placed in magnetic head receiving portion 11 respectively, circuit
Plate 110 is placed in circuit accommodator 13.Sliding groove is provided on three pressing plates 21, housing screw 22 is arranged in sliding groove
And on pedestal 10 corresponding threaded holes close, after pressing plate 21 is moved to setting position, three housing screws 22 respectively with pedestal
Screw hole secure fit on 10 is to fix pressing plate 21 and 10 phase of pedestal, by three pressing plates 21 respectively by three magnetic heads 100
It is pressed abd fixed on pedestal 10, circuit board 110 is fixed by screws on pedestal 10.Then, locking resilient bushing 30 is arranged
It is placed in the cylinder of test equipment 200 jointly in the outside for the pedestal 10 for being fixed with magnetic head 100 and circuit board 110, and by it
Portion, locks resilient bushing 30 and the inner wall of test equipment 200 fits.
After in the test equipment 200 that pedestal 10 and locking resilient bushing 30 are put into fluxgate jointly, by locating rod 432
One end matched with the locating slot 12 on pedestal 10, lock the through-hole diameter of the hollow cylindrical tube 422 of ear 42 less times greater than fixed
The diameter of position bar 432, therefore lock ear 42 and move and be rotatably arranged in locating rod 432, operator is respectively to locking
Two elastic arms 421 of ear 42 exert a force, so that the distance between two elastic arms 421 of locking ear 42 become smaller, by two bullets
Property arm 421 correspond insertion locking nut 41 two insertion grooves being oppositely arranged in, locking ear 42 restore in insertion groove
Original is long, to realize the fixation between locking ear 42 and locking nut 41.Rotation lock ear 42, locking ear 42 drive locking nut
41 rotations along the inner wall of test equipment 200 towards the direction close to magnetic head 100 to move, until the internal screw thread of locking nut 41
It is cooperatively connected with the external screw thread of pedestal 10, between the insertion of locking nut 41 locking resilient bushing 30 and pedestal 10, at this point, locking bullet
Property bushing 30 outer diameter increase be adjacent to the inner wall of test equipment 200, to realize centering positioning and clamping device and test equipment 200
The purpose mutually fixed of inner wall, such mode is located at the sensitivity center of magnetic head 100 on the axis of test equipment 200, greatly
Ground improves the accuracy of magnetic flux gate test.After clamping device locking, operator is respectively to two elastic arms of locking ear 42
421 forces distinguish two elastic arms 421 so that the distance between two elastic arms 421 of locking ear 42 become smaller again
It is removed from two insertion grooves, locking ear 42 is removed from locking nut 41, and is removed from test equipment 200.
After the completion of the test of fluxgate, operator again exerts a force to two elastic arms 421 of locking ear 42, so that lock
The distance between two elastic arms 421 of tight ear 42 become smaller, and two elastic arms 421 are corresponded the two of insertion locking nut 41
In a insertion groove being oppositely arranged, locking ear 42 restores former long in insertion groove, to realize locking ear 42 and locking nut 41
Between fixation.Locking ear 42 is rotated backward, locking ear 42 drives the rotation of locking nut 41 along the inner wall of test equipment 200
The direction for being directed away from magnetic head 100 is mobile, until locking nut 41 is removed between locking resilient bushing 30 and pedestal 10, this
When, the outer diameter of locking resilient bushing 30 reduces, locking resilient bushing 30 is loosened, will entire self-centering positioning device from test
It is removed in equipment 200.
In conclusion the self-centering positioning and clamping device of fluxgate of the invention is in terms of existing technologies, it is self-centering fixed
Position clamping device has pressing plate, has sliding groove on pressing plate, after pressing plate is moved to setting position, can be consolidated by housing screw
Determine on the base, pressing plate can be fixed on the base by the magnetic head of fluxgate at this time, and makes in the sensitivity center and pedestal of magnetic head
The heart coincides.Locking resilient bushing and locking nut match and self-centering positioning and clamping device can be fixed on test equipment
In inner wall, so that the center of clamping device is consistent with the center of test equipment and fixed, thus, it is possible to realize in the sensitivity of magnetic head
The center of the heart and test equipment coincides, to play the requirement for improving fluxgate measurement accuracy.Furthermore fluxgate of the invention
Self-centering positioning and clamping device is easy to loading and unloading, light-weight, reliable operation and integral material are without additional magnetic disturbance.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention;The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.