CN113325347A - Centering adjusting device and magnetic attraction force detection equipment - Google Patents

Abstract

The invention relates to the technical field of magnetic attraction force detection, and particularly discloses a centering adjusting device and magnetic attraction force detection equipment. The centering adjusting device comprises a horizontal plate, a bearing mechanism, a horizontal fine-tuning assembly and a concentric assembly, wherein the bearing mechanism comprises an upper adjusting plate and a lower adjusting plate, and the upper adjusting plate is connected with the horizontal plate through the horizontal fine-tuning assembly; a concentric assembly is disposed between the upper and lower adjustment plates to enable the lower adjustment plate to translate in a horizontal plane relative to the upper adjustment plate. The magnetic attraction force detection equipment comprises the centering adjusting device. The invention can center and adjust the matching piece and the piece to be matched, thereby reducing the connection tolerance when the matching piece and the piece to be matched are connected; the centering adjustment device has the advantages that the centering adjustment operation of the matching piece and the to-be-matched piece can be unified after the centering adjustment device is used, the problem of difference between the manual handheld matching piece and the to-be-matched piece during centering adjustment is solved, and meanwhile, the centering adjustment efficiency is improved.

Description

Centering adjusting device and magnetic attraction force detection equipment

Technical Field

The invention relates to the technical field of magnetic attraction force detection, in particular to a centering adjusting device and magnetic attraction force detection equipment.

Background

Connectors generally refer to electromechanical components that connect conductors to appropriate mating components to effect the switching on and off of electrical current or signals. The connector is widely applied to different fields of aerospace, communication and data transmission, new energy vehicles, rail transit, consumer electronics, medical treatment and the like. The magnetic connector has an automatic adsorption connection function, a conductor can be flexibly connected with or disconnected from a proper matching element, and in the process of controlling the magnetic connector, the magnet in the magnetic connector can be neglected to be installed, reversely installed, cracked and demagnetized, so that the magnetic adsorption force of the magnetic connector needs to be tested.

The existing testing technology generally utilizes a testing head provided with a tension sensor to simulate the magnetic attraction process, namely, the testing head is magnetically engaged with a magnetic connector by manual operation; then the testing head is manually pulled to be separated from the magnetic connector, and finally the magnetic attraction force value of the magnetic connector is obtained by reading the data of the tension sensor; when manual operation is carried out for jointing, the connection between the test head and the connector has connection tolerance, so that the detection accuracy of the magnetic attraction force is influenced; meanwhile, accidental errors during operation and observation of different workers are large, and the judgment standards are differentiated; the workload in the detection process is relatively tedious, and visual fatigue is easily caused by manual observation, so that the efficiency is low.

Disclosure of Invention

The invention aims to provide a centering adjusting device and magnetic attraction force detection equipment, and aims to solve the problems that in the prior art, connection tolerance exists when a test head is connected with a connector, so that the detection accuracy of the magnetic attraction force is influenced, and the detection efficiency is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, the present invention provides a centering adjustment device for realizing centering adjustment of a mating member and a member to be mated, the mating member and the member to be mated being arranged in an up-down opposite manner, the centering adjustment device comprising:

a horizontal plate;

the bearing mechanism comprises a first connecting piece, an upper adjusting plate and a lower adjusting plate which are arranged at intervals in the vertical direction, and the first connecting piece is connected with the upper adjusting plate and the lower adjusting plate; the matching piece is arranged on the lower adjusting plate;

the horizontal fine adjustment components are connected with the horizontal plate and the upper adjustment plate; the horizontal fine adjustment assembly is used for adjusting the level of the bearing mechanism;

the concentric assembly is arranged between the upper adjusting plate and the lower adjusting plate, so that the lower adjusting plate can translate in a horizontal plane relative to the upper adjusting plate, and further the centering adjustment of the matching piece and the piece to be matched is realized.

Further, the concentric assembly comprises an upper mating ring, balls, and a lower mating ring; grooves are formed in the lower portion of the upper matching ring and the upper portion of the lower matching ring, and the balls roll in the grooves of the upper matching ring and the lower matching ring simultaneously; the concentric assembly between the upper adjusting plate and the lower adjusting plate is a first concentric assembly; the upper matching ring of the first concentric assembly is arranged at the bottom of the upper adjusting plate, and the lower matching ring is arranged at the top of the lower adjusting plate.

Further, the first connecting piece is of a bolt structure; the upper adjusting plate is provided with a through hole, the rod part of the first connecting piece penetrates through the through hole and then is fixedly connected with the lower adjusting plate, and the head part of the first connecting piece is supported on the upper adjusting plate; a gap is arranged between the hole wall of the through hole and the side wall of the rod part of the first connecting piece, so that the first connecting piece can move in the through hole along the horizontal direction.

Furthermore, the concentric assembly is also arranged between the first connecting piece and the upper adjusting plate, and the concentric assembly between the first connecting piece and the upper adjusting plate is a second concentric assembly; the lower matching ring of the second concentric assembly is arranged on the lower adjusting plate, and the rod part of the first connecting piece penetrates through the center of the second concentric assembly along the vertical direction, so that the head part of the first connecting piece is supported on the upper matching ring of the second concentric assembly.

Further, the rod part of the first connecting piece penetrates through the center of the first concentric assembly along the vertical direction.

Further, the horizontal fine adjustment assembly comprises a second connecting piece and an inner hole bolt, and the inner hole bolt is in threaded connection with the horizontal plate; the second connecting piece is of a bolt structure, the rod part of the second connecting piece is threaded in the inner hole of the inner hole bolt and then is in threaded connection with the upper adjusting plate, and the head part of the second connecting piece is supported on the head part of the inner hole bolt; the inner hole bolt can drive the second connecting piece to lift through changing the length matched with the thread of the horizontal plate, and then the level of the upper adjusting plate is adjusted.

On the other hand, the invention also provides magnetic attraction force detection equipment for detecting the magnetic attraction force of the magnetic to-be-matched piece, which comprises the centering adjusting device; the magnetic attraction force detection equipment further comprises:

the device comprises a base and a support frame arranged on the base; the to-be-matched piece is arranged on the base;

the displacement module is arranged on the support frame; the driving end of the displacement module is connected with the centering adjusting device so as to adjust the spatial position of the centering adjusting device.

Further, the displacement module is including locating vertical drive module on the support frame and locating the XY axle slip table of vertical drive module drive end, the output of XY axle slip table is connected the horizontal plate.

Furthermore, the fitting piece comprises a testing head and a tension sensor arranged on the testing head, the tension sensor is arranged on the lower adjusting plate, and the testing head is used for being magnetically attracted with the fitting piece to be fitted.

Furthermore, a positioning carrier is arranged on the base and used for bearing the part to be matched; the positioning carrier comprises a pressing plate, and the pressing plate is used for pressing and fixing the matching piece placed in the positioning carrier.

The invention has the beneficial effects that:

the centering adjusting device comprises a horizontal plate, a horizontal fine adjustment component, a bearing mechanism and a concentric component, wherein the horizontal plate is connected with an upper adjusting plate of the bearing mechanism through the horizontal fine adjustment component, so that the level of the upper adjusting plate is adjusted through adjusting the horizontal fine adjustment component, and further the level of the whole bearing mechanism is adjusted, so that a matching piece arranged on the lower adjusting plate is kept horizontal, and the centering operation of the matching piece and a piece to be matched is conveniently realized; furthermore, a concentric component is arranged between the upper adjusting plate and the lower adjusting plate, and the lower adjusting plate can translate relative to the upper adjusting plate in a horizontal plane through the concentric component, so that the centering adjustment of the matching piece and the piece to be matched is realized, and the connection tolerance generated when the matching piece is connected with the piece to be matched is further reduced; the centering adjustment device has the advantages that the centering adjustment operation of the matching piece and the to-be-matched piece can be unified after the centering adjustment device is used, the problem of difference between the manual handheld matching piece and the to-be-matched piece during centering adjustment is solved, and meanwhile, the centering adjustment efficiency is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a centering adjustment mechanism provided in accordance with an embodiment of the present invention;

FIG. 2 is an exploded view of a concentric assembly according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a schematic structural diagram of a magnetic attraction force detection device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another state of the magnetic attraction force detection apparatus according to the embodiment of the present invention.

In the figure:

1. a mating member; 11. a tension sensor; 12. a test head; 2. a part to be matched; 3. a horizontal plate; 4. a carrying mechanism; 41. a first connecting member; 42. an upper adjusting plate; 43. a lower adjustment plate; 5. a horizontal fine adjustment component; 51. a second connecting member; 52. an inner bore bolt; 6. a concentric component; 61. an upper mating ring; 62. a ball bearing; 63. a lower mating ring; 7. a base; 71. positioning a carrier; 711. pressing a plate; 8. a support frame; 9. a displacement module; 91. a vertical driving module; 92. XY axis slide table.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

The embodiment provides a centering adjusting device, which is used for realizing centering adjustment of a matching part 1 and a part to be matched 2 which are oppositely arranged up and down. Wherein, the centering adjusting device is used for changing the horizontal position of the matching part 1 to ensure that the center of the matching part 1 is aligned with the center of the part to be matched 2 as much as possible, so as to reduce the connection tolerance when the matching part 1 is connected with the part to be matched 2.

As shown in fig. 1, the centering adjustment device comprises a horizontal plate 3, a carrier 4, at least two horizontal vernier assemblies 5 and a concentric assembly 6. The bearing mechanism 4 comprises a first connecting piece 41, and an upper adjusting plate 42 and a lower adjusting plate 43 which are arranged at intervals in the vertical direction, wherein the first connecting piece 41 can connect the upper adjusting plate 42 with the lower adjusting plate 43, so that the position of the lower adjusting plate 43 can be changed simultaneously when the position of the upper adjusting plate 42 is changed; the matching piece 1 is arranged on the lower adjusting plate 43, and when the position of the lower adjusting plate 43 is changed, the position of the matching piece 1 can be changed; the horizontal fine adjustment component 5 can be connected with the horizontal plate 3 and the upper adjustment plate 42, and the level of the bearing mechanism 4 can be adjusted by leveling the horizontal fine adjustment component 5, so that the centering operation of the matching part 1 and the part to be matched 2 can be conveniently realized subsequently, and the level is kept on the premise of performing the centering operation; a concentric assembly 6 is arranged between the upper adjusting plate 42 and the lower adjusting plate 43, and the lower adjusting plate 43 can translate relative to the upper adjusting plate 42 in a horizontal plane through the concentric assembly 6, so that the centering adjustment of the fitting piece 1 and the piece to be fitted 2 is realized, and the connection tolerance generated when the fitting piece 1 is connected with the piece to be fitted 2 is further reduced; and can realize the operation unification of the centering adjustment of the fitting piece 1 and the fitting piece 2 to be used when subsequently using the centering adjustment device, avoid the difference when the fitting piece 1 is manually held and the fitting piece 2 to be used is centered and adjusted, and simultaneously improve the efficiency of the centering adjustment. Alternatively, the member to be mated 2 may be a connector. Of course, the member to be mated 2 may be other devices, and this embodiment is not particularly limited.

The horizontal fine adjustment assembly 5 comprises a second connecting piece 51 and an inner hole bolt 52, wherein the second connecting piece 51 is of a bolt structure, so that the second connecting piece 51 is provided with a head part and a rod part, and the rod part is provided with threads; the second connecting piece 51 is in threaded connection with the upper adjusting plate 42, so that after the second connecting piece 51 is rotated, the depth of the second connecting piece 51 screwed into the upper adjusting plate 42 can be adjusted, the inner hole bolt 52 is in threaded connection with the horizontal plate 3, and after the inner hole bolt 52 is rotated, the depth of the inner hole bolt 52 screwed into the horizontal plate 3 can be adjusted; the rod part of the second connecting piece 51 penetrates through the inner hole of the inner hole bolt 52, the inner wall of the inner hole is smooth, so that the second connecting piece 51 cannot be in threaded connection with the inner hole bolt 52, and the head part of the second connecting piece 51 is supported on the head part of the inner hole bolt 52, so that the second connecting piece 51 cannot be separated from the inner hole of the inner hole bolt 52; hole bolt 52 can go up and down for horizontal plate 3 to under hole bolt 52's support, make second connecting piece 51 also can go up and down for horizontal plate 3, and then second connecting piece 51 can drive adjusting plate 42 and go up and down along vertical direction, and the distance between adjusting horizontal plate 3 and the last adjusting plate 42. Specifically, two, three or four horizontal fine adjustment assemblies 5 may be provided, and four are selected in the embodiment; the position of each horizontal fine adjustment component 5 on the horizontal plate 3 is different, and then according to actual conditions, the overall level of the bearing mechanism 4 can be adjusted by adjusting the distance between the horizontal plate 3 and the upper adjusting plate 42 at each horizontal fine adjustment component 5, so that the centering operation of the matching piece 1 and the to-be-matched piece 2 can be conveniently realized subsequently.

As shown in fig. 2, the concentric assembly 6 includes an upper mating ring 61, balls 62, and a lower mating ring 63; grooves are formed in the lower portion of the upper matching ring 61 and the upper portion of the lower matching ring 63, and the balls 62 roll in the grooves of the upper matching ring 61 and the lower matching ring 63, so that the lower adjusting plate 43 can translate on the horizontal plane relative to the upper adjusting plate 42 by the rolling of the balls 62 in the grooves of the upper matching ring 61 and the lower matching ring 63, and the horizontal plane of the lower adjusting plate 43 can be guaranteed. The concentric assembly 6 between the upper adjustment plate 42 and the lower adjustment plate 43 is a first concentric assembly; the upper mating ring 61 of the first centering assembly is disposed at the bottom of the upper adjustment plate 42 and the lower mating ring 63 is disposed at the top of the lower adjustment plate 43 such that the upper mating ring 61 is stationary in the horizontal direction with respect to the upper adjustment plate 42 and the lower mating ring 63 is stationary in the horizontal direction with respect to the lower adjustment plate 43; optionally, the groove in this embodiment is a triangular structure. Of course, the grooves in the present embodiment are not limited to the triangular structure, but may be other structures that can perform the function of the concentric member 6.

As shown in fig. 3, the first connecting member 41 has a bolt structure, and the first connecting member 41 has a rod portion and a head portion; the upper adjusting plate 42 is provided with a through hole, so that the rod part of the first connecting piece 41 can penetrate through the through hole and then is fixedly connected with the lower adjusting plate 43, and meanwhile, the head part of the first connecting piece 41 is supported on the upper adjusting plate 42, so that the lower adjusting plate 43 can be connected with the upper adjusting plate 42, and the lower adjusting plate 43 is prevented from directly falling; a gap is arranged between the wall of the through hole and the side wall of the rod part of the first connecting piece 41, so that the first connecting piece 41 can move in the through hole along the horizontal direction, and the gap also provides a moving space for the lower adjusting plate 43 as the first connecting piece 41 is fixedly connected with the lower adjusting plate 43; the range of the lower adjusting plate 43 translating in the horizontal plane relative to the upper adjusting plate 42 is the range of the first connecting piece 41 translating in the through hole in the horizontal direction; generally, the gap is small, so that excessive deviation of the rollers in the concentric assembly 6 can be avoided, an excessive horizontal translation range of the lower adjusting plate 43 relative to the upper adjusting plate 42 can be avoided, and the centering adjustment precision of the matching piece 1 and the piece to be matched 2 is reduced.

As shown in fig. 1 to 3, a concentric assembly 6 is also disposed between the first connecting member 41 and the upper adjusting plate 42, and the concentric assembly 6 between the first connecting member 41 and the upper adjusting plate 42 is a second concentric assembly; the lower matching ring 63 of the second concentric assembly 6 is arranged on the lower adjusting plate 43, so that the lower matching ring 63 is fixed relative to the upper adjusting plate 42 in the horizontal direction, the rod part of the first connecting piece 41 penetrates through the center of the second concentric assembly along the vertical direction, and the head part of the first connecting piece 41 is supported on the upper matching ring 61 of the second concentric assembly, so that the lower adjusting plate 43 connected with the first connecting piece 41 is prevented from falling off after the first connecting piece 41 passes through the center of the second concentric assembly; this second concentric assembly utilizes the roll of ball 62 in last cooperation ring 61 and the slot of cooperation ring 63 down, has realized going up the removal of cooperation ring 61 for cooperation ring 63 down, and then goes up cooperation ring 61 and can drive the first connecting piece 41 with last cooperation ring 61 butt and move about, has further increased the activity space of first connecting piece 41, makes the centering of fitting 1 and waiting fitting 2 adjust more accurately. Wherein, the head of the first connecting piece 41 and the upper matching ring 61 of the second concentric component can generate a gap in the vertical direction, so that the first connecting piece 41 has a space for ascending buffer, and the damage to the matching piece 1 and the matching piece 2 after the upper matching piece 1 and the matching piece 2 directly impact each other without the gap is prevented. Alternatively, the rod portion of the first connecting member 41 penetrates the center of the concentric assembly 6 between the upper and lower adjusting plates 42 and 43 in the vertical direction, so that it is not necessary to provide an extra first connecting member 41 to connect the upper and lower adjusting plates 42 and 43, reducing the cost for manufacturing the apparatus.

Example two

The embodiment further provides magnetic attraction force detection equipment for detecting the magnetic attraction force of the magnetic to-be-fitted piece 2. The magnetic attraction force detection equipment comprises the centering adjusting device in the first scheme, and further comprises a base 7, a support frame 8 and a displacement module 9. As shown in fig. 4, be equipped with on the base 7 and wait to detect fitting piece 2, support frame 8 is located on base 7, displacement module 9 is located on support frame 8, support frame 8 can support the displacement module 9 of connecting centering adjusting device, wherein, displacement module 9 is used for the adjustment to connect in the spatial position of the centering adjusting device of displacement module 9 drive end, so that fitting piece 1 on the centering adjusting device with wait that fitting piece 2 is preliminary centering, and then make things convenient for follow-up centering adjusting device of recycling to realize fitting piece 1 and the accurate centering of waiting fitting piece 2.

As shown in fig. 1, the fitting part 1 includes a tension sensor 11 and a testing head 12 disposed on the tension sensor 11, the tension sensor 11 is disposed on a lower adjusting plate 43, the testing head 12 is used for magnetically attracting the fitting part 2, and after the testing head 12 is pulled, the tension sensor 11 can output a magnetic attraction force value of the fitting part 2. As shown in fig. 4-5, the process of detecting the magnetic attraction force of the part to be mated 2 is as follows: carry out preliminary centering regulation through displacement module 9 earlier to fitting piece 1 with treat fitting piece 2, rethread vertical drive module 91 drive fitting piece 1 moves down, in fitting piece 1 with treat the in-process that fitting piece 2 is connected, lower adjusting plate 43 can be under the effect of fitting piece 1 with treat fitting piece 2 looks butt production power, for last adjusting plate 42 carry out the displacement, and then carry out accurate centering regulation to fitting piece 1 with treating the fitting piece, make test head 12 with treat fitting piece 2 magnetic attraction, then rethread vertical drive module 91 drive test head 12 moves up, wherein, force transducer 11 can output treats the magnetic attraction of fitting piece 2 at this in-process and closes, according to the magnetic attraction of collection and close the preparation pressure sensing curve, and then judge whether to treat fitting piece 2 qualified. Alternatively, the to-be-mated member 2 having magnetism may be a connector. Of course, the member to be mated 2 having magnetic properties may be other devices, and this embodiment is not particularly limited.

Further, a positioning carrier 71 is arranged on the base 7, and the positioning carrier 71 is used for bearing the to-be-matched piece 2 so as to position the to-be-matched piece 2; the positioning carrier 71 includes a pressing plate 711, and the pressing plate 711 is used for performing press-fit fixing on the fitting piece 1 placed in the positioning carrier 71, so as to prevent the to-be-fitted piece 2 from shifting when being connected with the fitting piece 1 in a centering manner, and further affect subsequent tests.

As shown in fig. 4-5, displacement module 9 is including locating vertical drive module 91 on support frame 8 and the XY axle slip table 92 of locating vertical drive module 91 drive end, horizontal plate 3 is connected to XY axle slip table 92's output, through the removal of vertical drive module 91 on vertical direction, can drive the XY axle slip table 92 of locating vertical drive module 91 drive end and move in vertical direction, and then the horizontal plate 3 that makes XY axle slip table 92 output connect also can move in vertical direction, wherein, XY axle slip table 92 can make the horizontal plate 3 who connects in XY axle slip table 92 output move in the horizontal direction, thereby can adjust the spatial position that centering adjusting device located through displacement module 9, and the spatial position that further adjustment fitting piece 1 located. Optionally, the XY axis sliding table 92 can be disposed on the supporting frame 8, the vertical driving module 91 can be disposed at the output end of the XY axis sliding table 92, and the horizontal plate 3 can be disposed at the driving end of the vertical driving module 91, which, of course, does not affect the adjustment of the displacement module 9 to the centering adjustment device. Further optionally, two centering adjusting devices are arranged on the magnetic attraction force detection equipment, so as to be applied to magnetic attraction force detection of the part to be matched 2 on two stations.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A centering adjusting device is used for realizing centering adjustment of a matching part (1) and a to-be-matched part (2) which are oppositely arranged up and down, and is characterized by comprising:

a horizontal plate (3);

the bearing mechanism (4) comprises a first connecting piece (41), an upper adjusting plate (42) and a lower adjusting plate (43) which are arranged at intervals in the vertical direction, and the first connecting piece (41) is connected with the upper adjusting plate (42) and the lower adjusting plate (43); the fitting piece (1) is arranged on the lower adjusting plate (43);

at least two horizontal fine adjustment assemblies (5), wherein the horizontal fine adjustment assemblies (5) are connected with the horizontal plate (3) and the upper adjustment plate (42); the horizontal fine adjustment assembly (5) is used for adjusting the level of the bearing mechanism (4);

the concentric assembly (6) is arranged between the upper adjusting plate (42) and the lower adjusting plate (43), so that the lower adjusting plate (43) can translate in a horizontal plane relative to the upper adjusting plate (42), and further the centering adjustment of the fitting piece (1) and the piece to be fitted (2) is realized.

2. Centering adjustment device according to claim 1, characterized in that the concentric assembly (6) comprises an upper mating ring (61), balls (62) and a lower mating ring (63); grooves are formed in the lower portion of the upper matching ring (61) and the upper portion of the lower matching ring (63), and the balls (62) roll in the grooves of the upper matching ring (61) and the lower matching ring (63) simultaneously; the concentric assembly (6) between the upper adjustment plate (42) and the lower adjustment plate (43) is a first concentric assembly; the upper mating ring (61) of the first concentric assembly is disposed at the bottom of the upper adjustment plate (42), and the lower mating ring (63) is disposed at the top of the lower adjustment plate (43).

3. Centering adjustment device according to claim 2, characterized in that the first connection piece (41) is a bolt structure; the upper adjusting plate (42) is provided with a through hole, the rod part of the first connecting piece (41) penetrates through the through hole and then is fixedly connected with the lower adjusting plate (43), and the head part of the first connecting piece (41) is supported on the upper adjusting plate (42); and a gap is formed between the wall of the through hole and the side wall of the rod part of the first connecting piece (41), so that the first connecting piece (41) can move in the through hole along the horizontal direction.

4. Centering adjustment device according to claim 3, characterized in that the concentric assembly (6) is also provided between the first connection piece (41) and the upper adjustment plate (42), the concentric assembly (6) between the first connection piece (41) and the upper adjustment plate (42) being a second concentric assembly; the lower mating ring (63) of the second concentric assembly is disposed on the lower adjustment plate (43), and the rod portion of the first connecting member (41) penetrates the center of the second concentric assembly along the vertical direction, so that the head portion of the first connecting member (41) is supported on the upper mating ring of the second concentric assembly.

5. Centering adjustment device according to claim 4, characterized in that the rod of the first connection piece (41) also runs through the center of the first concentric component in the vertical direction.

6. Centering adjustment device according to claim 1, characterized in that the horizontal fine adjustment assembly (5) comprises a second connector (51) and an inner bore bolt (52), the inner bore bolt (52) being screwed to the horizontal plate (3); the second connecting piece (51) is of a bolt structure, the rod part of the second connecting piece (51) penetrates through the inner hole of the inner hole bolt (52) and then is in threaded connection with the upper adjusting plate (42), and the head part of the second connecting piece (51) is supported on the head part of the inner hole bolt (52); the inner hole bolt (52) can drive the second connecting piece (51) to lift through changing the length matched with the thread of the horizontal plate (3), and then the level of the upper adjusting plate (42) is adjusted.

7. A magnetic attraction force detection device for detecting a magnetic attraction force of a to-be-fitted member (2) having magnetism, comprising the centering adjustment device as set forth in any one of claims 1 to 6; the magnetic attraction force detection equipment further comprises:

the device comprises a base (7) and a support frame (8) arranged on the base (7); the to-be-matched piece (2) is arranged on the base (7);

the displacement module (9), the said displacement module (9) locates on the said support frame (8); the driving end of the displacement module (9) is connected with the centering adjusting device so as to adjust the spatial position of the centering adjusting device.

8. The magnetic attraction resultant force detection device according to claim 7, wherein the displacement module (9) comprises a vertical driving module (91) arranged on the support frame (8) and an XY-axis sliding table (92) arranged at a driving end of the vertical driving module (91), and an output end of the XY-axis sliding table (92) is connected with the horizontal plate (3).

9. A magnetic attraction force detection device according to claim 7, characterized in that the mating part (1) comprises a test head (12) and a tension sensor (11) arranged on the test head (12), the tension sensor (11) is arranged on the lower adjustment plate (43), and the test head (12) is adapted to magnetically engage with the part (2) to be mated.

10. The magnetic attraction force detection apparatus according to claim 7, wherein the base (7) is provided with a positioning carrier (71), and the positioning carrier (71) is used for carrying the member to be mated (2); the positioning carrier (71) comprises a pressing plate (711), and the pressing plate (711) is used for pressing and fixing the fitting piece (1) placed in the positioning carrier (71).

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