CN109917316A - The self-centering positioning and clamping device of fluxgate - Google Patents

The self-centering positioning and clamping device of fluxgate Download PDF

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Publication number
CN109917316A
CN109917316A CN201711318695.8A CN201711318695A CN109917316A CN 109917316 A CN109917316 A CN 109917316A CN 201711318695 A CN201711318695 A CN 201711318695A CN 109917316 A CN109917316 A CN 109917316A
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China
Prior art keywords
pedestal
magnetic head
fluxgate
locking
test equipment
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Granted
Application number
CN201711318695.8A
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Chinese (zh)
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CN109917316B (en
Inventor
郭秋芬
陆灯云
张斌
胡雄
李玮燕
贺鸣
廖冲
郑海波
余晟
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China National Petroleum Corp
Aerospace Science and Industry Inertia Technology Co Ltd
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
Aerospace Science and Industry Inertia Technology Co Ltd
Drilling Engineering Technology Research Institute of CNPC Chuanqing Drilling Engineering Co Ltd
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Application filed by Aerospace Science and Industry Inertia Technology Co Ltd, Drilling Engineering Technology Research Institute of CNPC Chuanqing Drilling Engineering Co Ltd filed Critical Aerospace Science and Industry Inertia Technology Co Ltd
Priority to CN201711318695.8A priority Critical patent/CN109917316B/en
Publication of CN109917316A publication Critical patent/CN109917316A/en
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Publication of CN109917316B publication Critical patent/CN109917316B/en
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Abstract

The present invention provides a kind of self-centering positioning and clamping devices of fluxgate, the self-centering positioning and clamping device of fluxgate includes pedestal, magnetic head clamping section, it locks resilient bushing and screws in and screw out component, pedestal has magnetic head receiving portion, magnetic head receiving portion is used to accommodate the magnetic head of fluxgate, magnetic head clamping section is used for magnetic head is fixed on the base so that the sensitivity center of magnetic head is overlapped with the center of test equipment, locking resilient bushing is set in the outside of pedestal, back-out component is screwed in be movably disposed in test equipment, it screws in and screws out component for realizing the fixation between pedestal and test equipment, in the test process of fluxgate, pedestal is arranged in test equipment, locking resilient bushing is matched with the inner wall of test equipment, back-out component is screwed in be moved between locking resilient bushing and pedestal so that pedestal to be fixed in test equipment.It applies the technical scheme of the present invention, to solve the low technical problem of fluxgate test result accuracy in the prior art.

Description

The self-centering positioning and clamping device of fluxgate
Technical field
The present invention relates to the technical fields more particularly to a kind of self-centering positioning and clamping device of fluxgate of fluxgate detection.
Background technique
For fluxgate during scheduling and planning, fluxgate commissioning device is a drum equipment, and fluxgate commissioning device is applied The magnetic field strength added is at the axis of drum equipment, the closer magnetic field strength applied of magnetic field strength, magnetic flux gate test As a result more accurate.However, magnetic head can be fixed on to magnetic head branch without a clamping device at present when carrying out magnetic flux gate test On frame, and head suspension can lock in round magnetic shielding barrel, therefore, significantly reduce the essence of fluxgate test result True property.
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.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
The structure that Fig. 1 shows the self-centering positioning and clamping device of the fluxgate provided according to a particular embodiment of the invention is shown It is intended to;
Fig. 2 shows the fluxgate of the removal locking resilient bushing provided according to a particular embodiment of the invention is self-centering fixed The structural schematic diagram of position clamping device.
Wherein, the above drawings include the following reference numerals:
10, pedestal;11, magnetic head receiving portion;12, locating slot;13, circuit accommodator;20, magnetic head clamping section;21, pressing plate; 22, housing screw;30, resilient bushing is locked;40, it screws in and screws out component;41, locking nut;42, ear is locked;421, elastic arm; 422, hollow cylindrical tube;43, setting element;431, gripping handle;432, locating rod;100, magnetic head;110, circuit board;200, it surveys Try equipment.
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.

Claims (9)

1. a kind of self-centering positioning and clamping device of fluxgate, which is characterized in that the self-centering positioning and clamping device packet of fluxgate It includes:
Pedestal (10), the pedestal (10) have magnetic head receiving portion (11), and the magnetic head receiving portion (11) is for accommodating fluxgate Magnetic head;
Magnetic head clamping section (20), the magnetic head clamping section (20) are arranged on the pedestal (10), the magnetic head clamping section (20) For the magnetic head to be fixed on the pedestal (10) so that the sensitivity center of the magnetic head is overlapped with the center of test equipment;
It locks resilient bushing (30), locking resilient bushing (30) is set in the outside of the pedestal (10);
It screws in and screws out component (40), the screw-in screws out component (40) and is movably disposed in test equipment, the screw-in rotation Component (40) is out for realizing the fixation between the pedestal (10) and the test equipment;
Wherein, in the test process of the fluxgate, the pedestal (10) is arranged in the test equipment, the locking bullet Property bushing (30) matched with the inner wall of the test equipment, the screw-in, which screws out component (40) and is moved to the locking elasticity, to be served as a contrast It covers between (30) and the pedestal (10) so that the pedestal (10) to be fixed in the test equipment.
2. the self-centering positioning and clamping device of fluxgate according to claim 1, which is characterized in that the screw-in screws out component It (40) include locking nut (41) and locking ear (42), in the test process of the fluxgate, the locking nut (41) Internal screw thread and the external screw thread of the pedestal (10) are cooperatively connected, and the locking ear (42) is removably disposed in the locking nut (41) on, the locking ear (42) can drive the locking nut (41) to move along the inner wall of the test equipment.
3. the self-centering positioning and clamping device of fluxgate according to claim 2, which is characterized in that the locking nut (41) For tool there are two the insertion groove that is oppositely arranged, the locking ear (42) includes two elastic arms (421), the locking ear (42) by Under power state, two elastic arms (421) can be arranged in a one-to-one correspondence in the insertion groove to realize the locking nut (41) fixation between locking ear (42).
4. the self-centering positioning and clamping device of fluxgate according to claim 3, which is characterized in that the screw-in screws out component It (40) further include setting element (43), the setting element (43) has gripping handle (431) and locating rod (432), the base Seat (10) further includes locating slot (12), and one end of the locating rod (432) is matched with the locating slot (12), the locating rod (432) the other end is connect with the gripping handle (431), and the locking ear (42) is removable and is rotatably arranged in described In locating rod (432).
5. the self-centering positioning and clamping device of fluxgate according to claim 4, which is characterized in that the locking ear (42) is also Including hollow cylindrical tube (422), the hollow cylindrical tube (422) has through-hole, and two elastic arms (421) are symmetricly set on Hollow cylindrical tube (422) two sides, the locating rod (432) matches with the through-hole of the hollow cylindrical tube (422), described The diameter of locating rod (432) is less than the diameter of the through-hole.
6. the self-centering positioning and clamping device of fluxgate according to claim 1, which is characterized in that the magnetic head clamping section It (20) include pressing plate (21), the pressing plate (21) is movably disposed on the pedestal (10), and the pressing plate (21) is for solid The fixed magnetic head.
7. the self-centering positioning and clamping device of fluxgate according to claim 6, which is characterized in that the magnetic head clamping section It (20) further include housing screw (22), the pressing plate (21) has sliding groove, and the housing screw (22) is arranged in the sliding In slot, the pedestal (10) further includes threaded hole, in the test process of the fluxgate, the housing screw (22) with it is described Threaded hole secure fit is to pass through the pressing plate (21) the fixed magnetic head.
8. the self-centering positioning and clamping device of fluxgate according to claim 1, which is characterized in that the magnetic head clamping section It (20) include multiple pressing plates (21), the fluxgate has multiple magnetic heads, multiple pressing plates (21) and multiple magnetic heads one One is correspondingly arranged.
9. the self-centering positioning and clamping device of fluxgate according to claim 1, which is characterized in that the pedestal (10) is also wrapped It includes circuit accommodator (13), the circuit accommodator (13) is connected with the magnetic head receiving portion (11), and circuit board is arranged in institute It states in circuit accommodator (13), in the test process of the fluxgate, the circuit board is fixed at the pedestal (10) On.
CN201711318695.8A 2017-12-12 2017-12-12 Self-centering positioning clamping device for fluxgate Active CN109917316B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082379A (en) * 1992-08-15 1994-02-23 船井电机株式会社 Bread baking box dough container handle arrangement
JP2005300445A (en) * 2004-04-15 2005-10-27 Nippon Steel Corp Magnetic measuring device and magnetic measuring method for stator core
CN102357826A (en) * 2011-09-26 2012-02-22 江苏富丽华通用设备有限公司 Self-centering fixture
CN203616461U (en) * 2013-10-28 2014-05-28 中国船舶重工集团公司第七一〇研究所 Vector gradient magnetic field measuring device
CN203779182U (en) * 2014-02-23 2014-08-20 张鸿来 Centering clamp for thin-walled sleeve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082379A (en) * 1992-08-15 1994-02-23 船井电机株式会社 Bread baking box dough container handle arrangement
JP2005300445A (en) * 2004-04-15 2005-10-27 Nippon Steel Corp Magnetic measuring device and magnetic measuring method for stator core
CN102357826A (en) * 2011-09-26 2012-02-22 江苏富丽华通用设备有限公司 Self-centering fixture
CN203616461U (en) * 2013-10-28 2014-05-28 中国船舶重工集团公司第七一〇研究所 Vector gradient magnetic field measuring device
CN203779182U (en) * 2014-02-23 2014-08-20 张鸿来 Centering clamp for thin-walled sleeve

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