CN109917316B - Self-centering positioning clamping device for fluxgate - Google Patents
Self-centering positioning clamping device for fluxgate Download PDFInfo
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- CN109917316B CN109917316B CN201711318695.8A CN201711318695A CN109917316B CN 109917316 B CN109917316 B CN 109917316B CN 201711318695 A CN201711318695 A CN 201711318695A CN 109917316 B CN109917316 B CN 109917316B
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Abstract
The invention provides a fluxgate self-centering positioning and clamping device which comprises a base, a magnetic head clamping part, a locking elastic bushing and a screwing-in and screwing-out assembly, wherein the base is provided with a magnetic head accommodating part used for accommodating a magnetic head of the fluxgate, the magnetic head clamping part is used for fixing the magnetic head on the base so as to enable the sensitive center of the magnetic head to coincide with the center of a test device, the locking elastic bushing is sleeved on the outer side of the base, the screwing-in and screwing-out assembly is movably arranged in the test device, the screwing-in and screwing-out assembly is used for realizing the fixation between the base and the test device, the base is arranged in the test device during the test process of the fluxgate, the locking elastic bushing is matched with the inner wall of the test device, and the screwing-out assembly moves to the position between the locking elastic bushing and the base so as. By applying the technical scheme of the invention, the technical problem of low accuracy of the fluxgate test result in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of fluxgate detection, in particular to a fluxgate self-centering positioning and clamping device.
Background
In the production debugging process of the fluxgate, the fluxgate debugging device is a cylindrical device, the magnetic field intensity applied by the fluxgate debugging device is closer to the center axis of the cylindrical device, the magnetic field intensity is closer to the applied magnetic field intensity, and the more accurate the test result of the fluxgate is. However, when the fluxgate test is performed at present, no clamping device can fix the magnetic head on the magnetic head bracket, and the magnetic head bracket can be locked in the circular magnetic shielding barrel, so that the accuracy of the fluxgate test result is greatly reduced.
Disclosure of Invention
The invention provides a self-centering positioning and clamping device for a fluxgate, which can solve the technical problem of low accuracy of a fluxgate test result in the prior art.
The invention provides a self-centering positioning and clamping device for a fluxgate, which comprises: a base having a head accommodating part for accommodating a magnetic head of the fluxgate; the magnetic head clamping part is arranged on the base and used for fixing the magnetic head on the base so that the sensitive center of the magnetic head is superposed with the center of the test equipment; the locking elastic bushing is sleeved on the outer side of the base; the screw-in and screw-out assembly is movably arranged in the testing equipment and is used for realizing the fixation between the base and the testing equipment; wherein, in the test process of fluxgate, the base setting is in test equipment, and locking elastic bush cooperatees with test equipment's inner wall, and the screw in is unscrewed the subassembly and is removed to locking elastic bush and base between with the fixed setting of base in test equipment.
Further, the screw-in screwing-out assembly comprises a locking nut and a locking lug, in the testing process of the fluxgate, the internal thread of the locking nut is connected with the external thread of the base in a matched mode, the locking lug is detachably arranged on the locking nut, and the locking lug can drive the locking nut to move along the inner wall of the testing equipment.
Furthermore, the locking nut is provided with two insertion grooves which are oppositely arranged, the locking lug comprises two elastic arms, and the two elastic arms can be correspondingly arranged in the insertion grooves one by one to realize the fixation between the locking nut and the locking lug in a stressed state of the locking lug.
Furthermore, the screw-in screwing-out assembly further comprises a positioning element, the positioning element is provided with a holding handle and a positioning rod, the base further comprises a positioning groove, one end of the positioning rod is matched with the positioning groove, the other end of the positioning rod is connected with the holding handle, and the locking lug is movably and rotatably arranged on the positioning rod.
Furthermore, the locking lug further comprises a hollow cylinder, the hollow cylinder is provided with a through hole, the two elastic arms are symmetrically arranged on two sides of the hollow cylinder, the positioning rod is matched with the through hole of the hollow cylinder, and the diameter of the positioning rod is smaller than that of the through hole.
Further, the magnetic head clamping part comprises a pressing plate, the pressing plate is movably arranged on the base, and the pressing plate is used for fixing the magnetic head.
Further, the magnetic head clamping part further comprises a compression screw, the pressing plate is provided with a sliding groove, the compression screw is arranged in the sliding groove, the base further comprises a threaded hole, and in the test process of the fluxgate, the compression screw is fixedly matched with the threaded hole so as to fix the magnetic head through the pressing plate.
Further, the magnetic head clamping part comprises a plurality of pressing plates, the fluxgate is provided with a plurality of magnetic heads, and the plurality of pressing plates and the plurality of magnetic heads are arranged in one-to-one correspondence.
Further, the base further comprises a circuit accommodating part, the circuit accommodating part is communicated with the magnetic head accommodating part, the circuit board is arranged in the circuit accommodating part, and the circuit board is fixedly arranged on the base in the testing process of the fluxgate.
By applying the technical scheme of the invention, the self-centering positioning and clamping device for the fluxgate is provided, the base can be quickly locked and loosened by screwing in and out the component to move in the test equipment, the magnetic head is fixedly arranged in the base through the magnetic head clamping part, and the sensitive center of the magnetic head is coincided with the center of the test equipment, so that the magnetic head can be accurately fixed at the center shaft of the test equipment no matter the locking force is large, and the accuracy of the fluxgate test is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural view illustrating a fluxgate self-centering positioning and clamping device according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a fluxgate self-centering positioning fixture with a locking elastic bushing removed, provided according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a base; 11. a magnetic head accommodating part; 12. positioning a groove; 13. a circuit housing section; 20. a magnetic head clamping part; 21. pressing a plate; 22. a compression screw; 30. locking the elastic bushing; 40. screwing in and screwing out the assembly; 41. locking the nut; 42. a locking lug; 421. a resilient arm; 422. a hollow cylindrical barrel; 43. a positioning element; 431. a grip handle; 432. positioning a rod; 100. a magnetic head; 110. a circuit board; 200. and (6) testing the equipment.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1 and fig. 2, according to an embodiment of the present invention, there is provided a fluxgate self-centering positioning clamping device, which includes a base 10, a magnetic head clamping portion 20, a locking elastic bushing 30 and a screwing-in and screwing-out component 40, the base 10 having a magnetic head accommodating portion 11, the magnetic head accommodating portion 11 accommodating a magnetic head of the fluxgate, the magnetic head clamping portion 20 being disposed on the base 10, the magnetic head clamping portion 20 fixing the magnetic head on the base 10 so that a sensitive center of the magnetic head coincides with a center of a testing apparatus, the locking elastic bushing 30 being sleeved on an outer side of the base 10, the screwing-out component 40 being movably disposed in the testing apparatus, the screwing-in and screwing-out component 40 being used for fixing between the base 10 and the testing apparatus, wherein, during testing of the fluxgate, the base 10 is disposed in the testing apparatus, the locking elastic bushing 30 is engaged with an inner wall of the testing apparatus, the screw-in and screw-out assembly 40 is moved between the locking elastic bushing 30 and the base 10 to fixedly dispose the base 10 in the test apparatus.
By applying the configuration mode, the fluxgate self-centering positioning clamping device is provided, the base 10 can be quickly locked and released by screwing the screwing-out component 40 in the testing equipment 200, the magnetic head 100 is fixedly arranged in the base 10 through the magnetic head clamping part 20, and the sensitive center of the magnetic head 100 is coincided with the center of the testing equipment 200, so that the magnetic head 100 can be accurately fixed at the central axis of the testing equipment 200 no matter the magnitude of the locking force, and the accuracy of the fluxgate test is improved. The sensing center of the magnetic head 100 is coincident with the center of the test apparatus 200, which means that the sensing center of the magnetic head 100 is located on the central axis of the test apparatus 200.
Specifically, in the present invention, the center of the base 10 coincides with the center of the test apparatus 200, and when the magnetic head 20 is placed in the magnetic head accommodating portion, the center of the magnetic head 20 coincides with the center of the base 10, so that the magnetic head 100 can be accurately fixed at the center axis of the test apparatus 200 regardless of the magnitude of the locking force, so that the sensitive center of the magnetic head 100 coincides with the center of the test apparatus 200, and the accuracy of the fluxgate test is improved.
Further, in the present invention, in order to achieve the quick locking and releasing of the base 10, the screw-in and screw-out assembly 40 may be configured to include a locking nut 41 and a locking lug 42, during the fluxgate testing process, an internal thread of the locking nut 41 is connected with an external thread of the base 10 in a matching manner, the locking lug 42 is detachably disposed on the locking nut 41, and the locking lug 42 may drive the locking nut 41 to move along the inner wall of the testing apparatus.
By applying the configuration mode, in the fluxgate testing process, the base 10 is arranged in the testing device 200, the locking elastic bushing 30 is matched with the inner wall of the testing device 200, at this time, the locking lug 42 is fixed on the locking nut 41, the locking lug 42 is rotated, the locking lug 42 drives the locking nut 41 to rotate so as to move along the inner wall of the testing device 200 towards the direction close to the magnetic head 100, until the internal thread of the locking nut 41 is matched and connected with the external thread of the base 10, the locking nut 41 is inserted between the locking elastic bushing 30 and the base 10, at this time, the external diameter of the locking elastic bushing 30 is increased so as to be attached to the inner wall of the testing device 200, thereby achieving the purpose that the clamping device is fixed with the inner wall of the testing device 200, and in this way, the sensitive center of the magnetic head 100 is located on the central axis of the testing device 200, and. After the clamping device is locked, the locking lug 42 can be removed from the locking nut 41 and removed from the test apparatus 200. After the fluxgate test is completed, the locking lug 42 is fixed on the locking nut 41 again, the locking lug 42 drives the locking nut 41 to move along the inner wall of the test equipment 200 towards the direction away from the magnetic head 100 until the locking nut 41 leaves the locking elastic bushing 30, at this time, the outer diameter of the locking elastic bushing 30 becomes smaller, and the whole self-centering positioning device can be moved out of the test equipment 200.
Further, in the present invention, considering the simplicity and easy implementation of the manufacturing process, the locking nut 41 may be configured to have two opposite insertion slots, the locking lug 42 includes two elastic arms 421, and the two elastic arms 421 may be disposed in the insertion slots in a one-to-one correspondence manner when the locking lug 42 is in a stressed state, so as to achieve the fixation between the locking nut 41 and the locking lug 42.
With this configuration, during the testing process of the fluxgate, the base 10 is disposed in the testing apparatus 200, and the locking elastic bushing 30 is engaged with the inner wall of the testing apparatus 200, at this time, the operator applies force to the two elastic arms 421 of the locking lug 42 respectively, so that the distance between the two elastic arms 421 of the locking lug 42 is reduced, the two elastic arms 421 are inserted into the two oppositely disposed insertion slots of the locking nut 41 in a one-to-one correspondence manner, and the locking lug 42 is restored to its original length in the insertion slots, thereby achieving the fixation between the locking lug 42 and the locking nut 41. The locking lug 42 drives the locking nut 41 to rotate so as to move towards the direction close to the magnetic head 100 along the inner wall of the test equipment 200 until the internal thread of the locking nut 41 is matched and connected with the external thread of the base 10, the locking nut 41 is inserted between the locking elastic bushing 30 and the base 10, at the moment, the outer diameter of the locking elastic bushing 30 is increased so as to be tightly attached to the inner wall of the test equipment 200, the purpose that the clamping device is fixed with the inner wall of the test equipment 200 is achieved, the sensitive center of the magnetic head 100 is located on the central axis of the test equipment 200 in the mode, and the accuracy of the fluxgate test is greatly improved. After the clamping device is locked, the operator applies force to the two elastic arms 421 of the locking lug 42 respectively, so that the distance between the two elastic arms 421 of the locking lug 42 becomes smaller, the two elastic arms 421 are respectively removed from the two insertion grooves, and the locking lug 42 is removed from the locking nut 41 and removed from the testing apparatus 200.
Further, in the present invention, in order to improve the positioning accuracy of the fluxgate self-centering positioning fixture, the screw-in/screw-out assembly 40 may be configured to further include a positioning element 43, the positioning element 43 has a grip handle 431 and a positioning rod 432, the base 10 further includes a positioning slot 12, one end of the positioning rod 432 is engaged with the positioning slot 12, the other end of the positioning rod 432 is connected with the grip handle 431, and the locking lug 42 is movably and rotatably disposed on the positioning rod 432.
With this configuration, the base 10 is disposed in the test apparatus 200 and the locking elastic bush 30 is fitted to the inner wall of the test apparatus 200 during the test of the fluxgate. At this time, one end of the positioning rod 432 is engaged with the positioning groove 12 on the base 10, the locking lug 42 is movably and rotatably disposed on the positioning rod 432, the operator applies force to the two elastic arms 421 of the locking lug 42 respectively to reduce the distance between the two elastic arms 421 of the locking lug 42, the two elastic arms 421 are correspondingly inserted into the two oppositely disposed insertion grooves of the locking nut 41 one by one, the locking lug 42 is restored to its original length in the insertion grooves, and thus the locking lug 42 and the locking nut 41 are fixed. The locking lug 42 drives the locking nut 41 to rotate so as to move towards the direction close to the magnetic head 100 along the inner wall of the test equipment 200 until the internal thread of the locking nut 41 is matched and connected with the external thread of the base 10, the locking nut 41 is inserted between the locking elastic bushing 30 and the base 10, at the moment, the outer diameter of the locking elastic bushing 30 is increased so as to be tightly attached to the inner wall of the test equipment 200, the purpose that the clamping device is fixed with the inner wall of the test equipment 200 is achieved, the sensitive center of the magnetic head 100 is located on the central axis of the test equipment 200 in the mode, and the accuracy of the fluxgate test is greatly improved. After the clamping device is locked, the operator applies force to the two elastic arms 421 of the locking lug 42 respectively, so that the distance between the two elastic arms 421 of the locking lug 42 becomes smaller, the two elastic arms 421 are respectively removed from the two insertion grooves, and the locking lug 42 is removed from the locking nut 41 and removed from the testing apparatus 200.
Further, in the present invention, in order to enable the locking lug 42 to be movably and rotatably disposed on the positioning rod 432, the locking lug 42 may be configured to further include a hollow cylinder 422, the hollow cylinder 422 has a through hole, two elastic arms 421 are symmetrically disposed at two sides of the hollow cylinder 422, the positioning rod 432 is matched with the through hole of the hollow cylinder 422, and the diameter of the positioning rod 432 is smaller than that of the through hole.
In the present invention, in order to compress the magnetic head 100, the head clamping portion 20 may be configured to include a pressing plate 21, the pressing plate 21 may be movably disposed on the base 10, and the pressing plate 21 may be used to fix the magnetic head. With this configuration, during the test of the fluxgate, the magnetic head 100 is forced by the pressure plate 21 to press and fix the magnetic head 100 on the base 10. After the fluxgate test is completed, the pressing plate 21 may be released to remove the magnetic head 100 from the base 10, which is simple and convenient to operate.
Further, as an embodiment of the present invention, as shown in fig. 2, the magnetic head clamping portion 20 further includes a compression screw 22, the pressure plate 21 has a sliding groove, the compression screw 22 is disposed in the sliding groove, the base 10 further includes a threaded hole, and during the fluxgate test, the compression screw 22 is fixedly engaged with the threaded hole to fix the magnetic head 100 through the pressure plate 21.
By applying the configuration mode, in the test process of the fluxgate, the pressing plate 21 has a sliding groove, the compression screw 22 is arranged in the sliding groove and is matched with the threaded hole on the base 10, after the pressing plate 21 moves to the set position, the compression screw 22 is fixedly matched with the threaded hole on the base 10 to lock the pressing plate 21, and the magnetic head 100 is compressed and fixed on the base 10 through the pressing plate 21. When the fluxgate test is completed, the compression screw 22 is released, the pressing plate 21 is moved out to release the magnetic head 100, and the magnetic head 100 is moved out from the base 10.
Further, in the present invention, in order to improve the tightness of the head clamp, the head clamp 20 may be configured to include a plurality of pressing plates 21, the fluxgate may have a plurality of magnetic heads, and the plurality of pressing plates 21 may be disposed in one-to-one correspondence with the plurality of magnetic heads. As an embodiment of the present invention, the magnetic head clamping portion 20 includes three pressing plates 21 disposed at intervals, the fluxgate has three magnetic heads 100 disposed at intervals, the three pressing plates 21 are disposed in one-to-one correspondence with the three magnetic heads 100, and the magnetic heads 100 are pressed and fixed on the base 10 by the pressing plates 21.
In addition, in the present invention, the base 10 further includes a circuit accommodating portion 13, the circuit accommodating portion 13 communicates with the magnetic head accommodating portion 11, a circuit board is disposed in the circuit accommodating portion 13, and the circuit board 110 is fixedly disposed on the base 10 during the test of the fluxgate.
In order to further understand the present invention, the working process of the fluxgate self-centering positioning fixture of the present invention is described in detail with reference to fig. 1 to 2.
As shown in fig. 1 and fig. 2, as an embodiment of the present invention, the fluxgate self-centering positioning fixture comprises a base 10, a magnetic head clamping portion 20, a locking elastic bushing 30 and a screw-in and screw-out assembly 40, wherein the screw-in and screw-out assembly 40 is configured to comprise a locking nut 41, a locking lug 42 and a positioning element 43, the fluxgate comprises three magnetic heads 100, and the magnetic head clamping portion 20 comprises three pressing plates 21 and three compression screws 22.
In the test process of the fluxgate, first, the three magnetic heads 100 are placed in the head accommodating portion 11 and the circuit board 110 is placed in the circuit accommodating portion 13, respectively. All be provided with the sliding tray on the three clamp plate 21, housing screw 22 sets up in the sliding tray and cooperatees with the screw hole on the base 10, and after clamp plate 21 moved to the settlement position, three housing screw 22 respectively with the screw hole fixed coordination on the base 10 with clamp plate 21 and base 10 fixed mutually, compress tightly respectively three magnetic head 100 through three clamp plate 21 and fix on base 10, circuit board 110 passes through the fix with screw on base 10. Next, the locking elastic bush 30 is fitted around the outside of the base 10 to which the magnetic head 100 and the circuit board 110 are fixed, and is placed inside the cylinder of the test apparatus 200 together, and the locking elastic bush 30 is attached to the inner wall of the test apparatus 200.
After the base 10 and the locking elastic bushing 30 are jointly placed in the testing apparatus 200 of the fluxgate, one end of the positioning rod 432 is engaged with the positioning groove 12 on the base 10, and the diameter of the through hole of the hollow cylinder 422 of the locking lug 42 is slightly larger than the diameter of the positioning rod 432, so that the locking lug 42 is movably and rotatably disposed on the positioning rod 432, an operator respectively applies force to the two elastic arms 421 of the locking lug 42 to reduce the distance between the two elastic arms 421 of the locking lug 42, the two elastic arms 421 are correspondingly inserted into the two oppositely disposed insertion grooves of the locking nut 41 one by one, and the locking lug 42 is restored to the original length in the insertion grooves, thereby achieving the fixation between the locking lug 42 and the locking nut 41. The locking lug 42 is rotated, the locking lug 42 drives the locking nut 41 to rotate so as to move towards the direction close to the magnetic head 100 along the inner wall of the test equipment 200 until the internal thread of the locking nut 41 is matched and connected with the external thread of the base 10, the locking nut 41 is inserted between the locking elastic bushing 30 and the base 10, at the moment, the outer diameter of the locking elastic bushing 30 is increased to be attached to the inner wall of the test equipment 200, and therefore the purpose that the centering positioning and clamping device is fixed to the inner wall of the test equipment 200 is achieved, the sensitive center of the magnetic head 100 is located on the center shaft of the test equipment 200 in the mode, and the accuracy of the fluxgate test is greatly improved. After the clamping device is locked, the operator applies force to the two elastic arms 421 of the locking lug 42 respectively, so that the distance between the two elastic arms 421 of the locking lug 42 becomes smaller again, so as to remove the two elastic arms 421 from the two insertion grooves respectively, and the locking lug 42 is removed from the locking nut 41 and removed from the test equipment 200.
After the fluxgate test is completed, the operator applies force to the two elastic arms 421 of the locking lug 42 again to reduce the distance between the two elastic arms 421 of the locking lug 42, the two elastic arms 421 are inserted into the two opposite insertion grooves of the lock nut 41 in a one-to-one correspondence manner, and the locking lug 42 is restored to the original length in the insertion grooves, thereby achieving the fixation between the locking lug 42 and the lock nut 41. The locking lug 42 is rotated in the opposite direction, and the locking lug 42 drives the locking nut 41 to rotate to move along the inner wall of the testing device 200 toward the direction away from the magnetic head 100 until the locking nut 41 moves out from between the locking elastic bushing 30 and the base 10, at which time the outer diameter of the locking elastic bushing 30 is reduced, and the locking elastic bushing 30 is loosened to move the whole self-centering positioning device out of the testing device 200.
In summary, compared with the prior art, the self-centering positioning and clamping device for the fluxgate of the present invention has a pressing plate, the pressing plate has a sliding groove, and after the pressing plate moves to a set position, the pressing plate can be fixed on the base by a pressing screw, and at this time, the pressing plate can fix the magnetic head of the fluxgate on the base, and the sensitive center of the magnetic head is coincident with the center of the base. The locking elastic bushing and the locking nut are matched to fix the self-centering positioning clamping device in the inner wall of the testing equipment, so that the center of the clamping device is consistent with and fixed to the center of the testing equipment, the coincidence of the sensitive center of the magnetic head and the center of the testing equipment can be realized, and the requirement of improving the measuring precision of the fluxgate is met. Moreover, the fluxgate self-centering positioning clamping device is convenient to assemble and disassemble, light in weight, reliable in work and free of additional magnetic interference of the whole material.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a fluxgate is from centering location clamping device which characterized in that, fluxgate is from centering location clamping device includes:
a base (10), the base (10) having a head accommodating portion (11), the head accommodating portion (11) accommodating a magnetic head of a fluxgate;
the magnetic head clamping part (20), the magnetic head clamping part (20) is arranged on the base (10), and the magnetic head clamping part (20) is used for fixing the magnetic head on the base (10) so that the sensitive center of the magnetic head is coincided with the center of the test equipment;
the locking elastic bushing (30), the locking elastic bushing (30) is sleeved on the outer side of the base (10);
a screw-in and screw-out assembly (40), wherein the screw-in and screw-out assembly (40) is movably arranged in the testing equipment, and the screw-in and screw-out assembly (40) is used for realizing the fixation between the base (10) and the testing equipment;
during the test of the fluxgate, the base (10) is arranged in the test equipment, the locking elastic bushing (30) is matched with the inner wall of the test equipment, and the screwing-in and unscrewing component (40) moves between the locking elastic bushing (30) and the base (10) to fixedly arrange the base (10) in the test equipment;
the screwing-in and screwing-out component (40) comprises a locking nut (41) and a locking lug (42), in the fluxgate testing process, the internal thread of the locking nut (41) is matched and connected with the external thread of the base (10), the locking lug (42) is detachably arranged on the locking nut (41), and the locking lug (42) can drive the locking nut (41) to move along the inner wall of the testing equipment;
the locking nut (41) is provided with two insertion grooves which are oppositely arranged, the locking lug (42) comprises two elastic arms (421), and the two elastic arms (421) can be correspondingly arranged in the insertion grooves one by one to realize the fixation between the locking nut (41) and the locking lug (42) when the locking lug (42) is in a stressed state;
the screwing-in and screwing-out assembly (40) further comprises a positioning element (43), the positioning element (43) is provided with a holding handle (431) and a positioning rod (432), the base (10) further comprises a positioning groove (12), one end of the positioning rod (432) is matched with the positioning groove (12), the other end of the positioning rod (432) is connected with the holding handle (431), and the locking lug (42) is movably and rotatably arranged on the positioning rod (432);
the locking lug (42) further comprises a hollow cylinder barrel (422), the hollow cylinder barrel (422) is provided with a through hole, the two elastic arms (421) are symmetrically arranged on two sides of the hollow cylinder barrel (422), the positioning rod (432) is matched with the through hole of the hollow cylinder barrel (422), and the diameter of the positioning rod (432) is smaller than that of the through hole.
2. The fluxgate self-centering positioning clamping device as set forth in claim 1, wherein the magnetic head clamping portion (20) comprises a pressing plate (21), the pressing plate (21) is movably disposed on the base (10), and the pressing plate (21) is used for fixing the magnetic head.
3. The fluxgate self-centering positioning clamping device as set forth in claim 2, wherein the magnetic head clamping portion (20) further comprises a compression screw (22), the pressure plate (21) has a sliding slot, the compression screw (22) is disposed in the sliding slot, the base (10) further comprises a threaded hole, and the compression screw (22) is fixedly engaged with the threaded hole to fix the magnetic head by the pressure plate (21) during the fluxgate testing process.
4. The fluxgate self-centering positioning clamping device as set forth in claim 1, wherein the magnetic head clamping portion (20) comprises a plurality of pressing plates (21), the fluxgate has a plurality of magnetic heads, and the plurality of pressing plates (21) are disposed in one-to-one correspondence with the plurality of magnetic heads.
5. The fluxgate self-centering positioning clamping device as claimed in claim 1, wherein the base (10) further comprises a circuit accommodating portion (13), the circuit accommodating portion (13) is communicated with the magnetic head accommodating portion (11), a circuit board is disposed in the circuit accommodating portion (13), and the circuit board is fixedly disposed on the base (10) during the fluxgate testing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711318695.8A CN109917316B (en) | 2017-12-12 | 2017-12-12 | Self-centering positioning clamping device for fluxgate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711318695.8A CN109917316B (en) | 2017-12-12 | 2017-12-12 | Self-centering positioning clamping device for fluxgate |
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| Publication Number | Publication Date |
|---|---|
| CN109917316A CN109917316A (en) | 2019-06-21 |
| CN109917316B true CN109917316B (en) | 2021-05-18 |
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| CN201711318695.8A Active CN109917316B (en) | 2017-12-12 | 2017-12-12 | Self-centering positioning clamping device for fluxgate |
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Citations (5)
| 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 |
-
2017
- 2017-12-12 CN CN201711318695.8A patent/CN109917316B/en active Active
Patent Citations (5)
| 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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| CN109917316A (en) | 2019-06-21 |
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