CN219532433U - Magnet vibration test tool - Google Patents

Abstract

The utility model provides a magnet vibration test tool, which comprises a bottom plate, a vertical plate, a bracket assembly, a push rod assembly and a first connecting piece, wherein the bottom plate is provided with a first connecting piece; the bottom plate is connected with a vibration source; the vertical plate is arranged on the bottom plate and provided with a first threaded hole; the bracket assembly comprises a supporting plate and a supporting frame, the upper surface of the supporting plate is contacted with the lower surface of the magnet to be used for supporting the magnet, the supporting plate can be arranged on the supporting frame in a transversely sliding way so as to facilitate the magnet to move in the transverse direction, and the supporting frame is connected with the vertical plate; the push rod assembly comprises a first adjusting screw rod and a thrust plate, one end of the first adjusting screw rod penetrates through the first threaded hole to be connected with one end of the thrust plate, the other end of the thrust plate is connected with the side face of the magnet, and the magnet is driven to move transversely by rotating the first adjusting screw rod; the first connecting piece is used for connecting the thrust plate and the vertical plate after the transverse distance adjustment of the magnet is completed. The utility model can solve the problems that the existing tool cannot flexibly adjust the installation clearance and cannot simulate vibration tests under different air gaps.

Description

Magnet vibration test tool

Technical Field

The utility model relates to the technical field of vibration test tools, in particular to a magnet vibration test tool.

Background

The superconducting magnet is often applied to ultra-high speed environments such as ultra-high speed maglev trains, ultra-high speed electromagnetic catapulting, high speed three-dimensional reservoirs and the like. In the ultra-high-speed magnetic levitation train system, a superconducting magnet is a rotor part of a superconducting linear motor, a stator part of the superconducting linear motor is wound by a normally conductive coil, a direct current magnetic field of the superconducting magnet interacts with an alternating current magnetic field of the normally conductive magnet to generate electromagnetic force in the superconducting magnet, so that the superconducting magnet has certain thrust in a motion direction, and certain acceleration is generated by the superconducting magnet.

The superconducting magnet is used as a rotor of the linear synchronous motor and bears very complex dynamic load, and larger electromagnetic load exists in the triaxial directions, so that the dynamics performance of the superconducting magnet must be fully researched before the train operation test is on line, and the modal test and the vibration impact test are carried out.

Similar triaxial vibration test tools have been developed in China, the problem that the center of gravity of a system is often too high exists, and the rigidity of the tools is insufficient, so that the difficulty of vibration control is increased. And the distance between the frock and the test piece of present large-scale structure vibration test frock is fixed, and the vibration test is carried out to the unable flexible adjustment installation clearance of homoenergetic, can't simulate the vibration test under the different air gaps.

Disclosure of Invention

In order to solve one of the technical problems, the utility model provides a magnet vibration test tool, which can solve the technical problems that the vibration test tool in the prior art cannot flexibly adjust the installation clearance and cannot simulate vibration tests under different air gaps.

The utility model provides a magnet vibration test tool, which comprises a bottom plate, a vertical plate, a bracket assembly, a push rod assembly and a first connecting piece, wherein the bottom plate is provided with a plurality of connecting pieces;

the bottom plate is connected with a vibration source;

the vertical plate is arranged on the bottom plate and provided with a first threaded hole;

the bracket assembly comprises a supporting plate and a supporting frame, wherein the upper surface of the supporting plate is contacted with the lower surface of the magnet for supporting the magnet, the supporting plate can be arranged on the supporting frame in a transverse sliding way so as to facilitate the magnet to move in the transverse direction, and the supporting frame is connected with the vertical plate;

the push rod assembly comprises a first adjusting screw rod and a thrust plate, one end of the first adjusting screw rod penetrates through the first threaded hole to be connected with one end of the thrust plate, the other end of the thrust plate is connected with the side face of the magnet, and the magnet is driven to transversely move by the thrust plate through rotating the first adjusting screw rod;

the first connecting piece is used for connecting the thrust plate and the vertical plate after the transverse distance of the magnet is adjusted.

Preferably, the push rod assembly further comprises a gasket unit, the gasket unit is arranged between the thrust plate and the vertical plate, and the thickness of the gasket unit is matched with the distance between the thrust plate and the vertical plate.

Preferably, the gasket unit includes a first gasket, a second gasket and a second connecting piece, the first gasket and the second gasket are all semicircular, the first gasket and the second gasket are buckled on the first adjusting screw to form a circular gasket, and the second connecting piece is used for connecting the first gasket and the second gasket.

Preferably, the push rod assembly further comprises a first handle disposed at the other end of the first adjusting screw.

Preferably, the bracket assembly further comprises N second adjusting screws, the support frame is provided with N second threaded holes corresponding to the second adjusting screws one by one, one end of each second adjusting screw penetrates through the corresponding second threaded hole to be in contact with the supporting plate, and the supporting plate is vertically moved by rotating the N second adjusting screws, wherein N is an integer greater than 2.

Preferably, the N second adjusting screws are not all in a straight line.

Preferably, the bracket assembly further comprises a second handle provided at the other end of the second adjusting screw.

Preferably, the tool further comprises a reinforcing rib, and the reinforcing rib is connected with the bottom plate and the lower portion of the vertical plate so as to be used for stabilizing the vertical plate.

Preferably, the tool further comprises an anti-collision assembly, wherein the anti-collision assembly is used for preventing the vertical plate and the magnet from collision in the assembly process.

Preferably, the anti-collision assembly comprises three rubber blocks which are respectively arranged at the two sides and the top of the vertical plate.

By applying the technical scheme of the utility model, the thrust plate drives the magnet to move transversely by rotating the first adjusting screw, so that the transverse interval adjustment of the magnet is realized, and the magnet vibration test requirements under different air gaps are met; meanwhile, the supporting plate and the supporting frame can slide along the transverse direction relatively, so that the first adjusting screw is matched to push the magnet to move transversely, and the adjustment of the transverse distance between the magnets is facilitated. According to the utility model, through the cooperation of the push rod assembly and the bracket assembly, the gap adjustment state vibration test of the large structural member can be realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 shows a schematic structural diagram of a magnet vibration test tool according to an embodiment of the present utility model;

FIG. 2 shows a schematic structural view of a shim unit of the test fixture of FIG. 1;

FIG. 3 shows a schematic structural view of a push rod assembly of the test fixture of FIG. 1;

FIG. 4 shows a schematic structural view of the bracket assembly of the test fixture of FIG. 1;

fig. 5 shows a schematic structural view of the collision avoidance assembly in the test fixture of fig. 1.

Wherein the above figures include the following reference numerals:

10. a bottom plate; 20. a vertical plate; 30. a bracket assembly; 31. a supporting plate; 32. a support frame; 33. a second adjusting screw; 34. a second handle; 40. a push rod assembly; 41. a first adjusting screw; 42. a thrust plate; 43. a first gasket; 44. a second gasket; 45. a first handle; 50. a first connector; 60. reinforcing ribs; 70. an anti-collision assembly; 71. rubber blocks.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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 exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1, the present utility model provides a magnet vibration test fixture comprising a base plate 10, a riser 20, a bracket assembly 30, a push rod assembly 40 and a first connection member 50;

the base plate 10 is connected with a vibration source;

the vertical plate 20 is arranged on the bottom plate 10, and a first threaded hole is formed in the vertical plate 20;

the bracket assembly 30 comprises a supporting plate 31 and a supporting frame 32, wherein the upper surface of the supporting plate 31 is contacted with the lower surface of the magnet for supporting the magnet, the supporting plate 31 is arranged on the supporting frame 32 in a sliding way along the transverse direction so as to facilitate the magnet to move along the transverse direction, and the supporting frame 32 is connected with the vertical plate 20;

the push rod assembly 40 comprises a first adjusting screw 41 and a thrust plate 42, one end of the first adjusting screw 41 penetrates through the first threaded hole to be connected with one end of the thrust plate 42, the other end of the thrust plate 42 is connected with the side face of the magnet, and the first adjusting screw 41 is rotated to enable the thrust plate 42 to drive the magnet to move transversely;

the first connecting piece 50 is used for connecting the thrust plate 42 and the vertical plate 20 after the magnets are subjected to transverse spacing adjustment;

in fig. 1, the X-direction is the longitudinal direction, the Y-direction is the vertical direction, and the Z-direction is the transverse direction.

According to the utility model, the thrust plate 42 drives the magnet to move transversely by rotating the first adjusting screw 41, so that the adjustment of the transverse distance of the magnet is realized, and the requirements of magnet vibration tests under different air gaps are met; meanwhile, the supporting plate 31 and the supporting frame 32 can slide relatively along the transverse direction, so that the first adjusting screw 41 is matched to push the magnet to move transversely, and the adjustment of the transverse distance between the magnets is facilitated. The utility model can realize the gap adjustment state vibration test of the large structural member through the matching of the push rod assembly 40 and the bracket assembly 30.

In the present utility model, in order to tighten the connection of the thrust plate 42 and the riser 20, the first coupling member 50 includes a plurality of bolts spaced apart along the circumference of the thrust plate 42.

Further, in the present utility model, in order to fill the gap between the thrust plate 42 and the riser 20 to achieve a more secure connection, the push rod assembly 40 further includes a spacer unit disposed between the thrust plate 42 and the riser 20, and the thickness of the spacer unit is adapted to the distance between the thrust plate 42 and the riser 20.

In addition, in the present utility model, as shown in fig. 2, in order to facilitate the installation of the gasket unit, the gasket unit includes a first gasket 43, a second gasket 44, and a second connector, wherein the first gasket 43 and the second gasket 44 are both semicircular, the first gasket 43 and the second gasket 44 are fastened to the first adjusting screw 41 to form a circular gasket, and the second connector is used for connecting the first gasket 43 and the second gasket 44 to prevent the two gaskets from sliding down during vibration.

As a specific embodiment of the present utility model, in order to avoid interference with the bolts, the first pad 43 and the second pad 44 are provided with a plurality of grooves corresponding to the positions of the connection bolts.

As an embodiment of the present utility model, as shown in fig. 3, in order to facilitate rotation of the first adjusting screw 41, the push rod assembly 40 further includes a first handle 45, and the first handle 45 is disposed at the other end of the first adjusting screw 41.

Further, in the present utility model, as shown in fig. 4, in order to enable the pallet 31 to move vertically, the height of the pallet 31 is adjusted to match the positions of the pallet 31 and the magnet, the bracket assembly 30 further includes N second adjusting screws 33, N second threaded holes corresponding to the second adjusting screws 33 one by one are provided on the supporting frame 32, one end of each second adjusting screw 33 passes through the corresponding second threaded hole to contact with the pallet 31, and the pallet 31 moves vertically by rotating N second adjusting screws 33, where N is an integer greater than 2.

As an embodiment of the present utility model, N second adjusting screws 33 are not all in a straight line in order to avoid deflection of the pallet 31 during rotation of the second adjusting screws 33.

As an embodiment of the present utility model, to facilitate rotating the second adjusting screw 33, the bracket assembly 30 further includes a second handle 34, and the second handle 34 is disposed at the other end of the second adjusting screw 33.

As a specific embodiment of the present utility model, in order to facilitate the relative sliding of the pallet 31 and the support frame 32, a slide rail in the lateral direction is installed between the pallet 31 and the support frame 32.

Further, in the present utility model, in order to increase the rigidity of the riser 20, the tool further includes a reinforcing rib 60, and the reinforcing rib 60 is connected to the bottom plate 10 and the lower portion of the riser 20 for stabilizing the riser 20.

As a specific embodiment of the utility model, the reinforcing ribs 60 are arranged on two sides of the vertical plate 20, the reinforcing ribs 60 are arranged on the most effective force transmission path based on the topological optimization structural reinforcing rib layout mode through the double-sided reinforcing rib layout mode, the structural installation space is fully utilized, the high strength and the high rigidity of the structure are realized, the problem of insufficient rigidity of a conventional test tool is solved, and the mutual influence of the tool and the test piece mode is avoided.

In addition, in order to effectively avoid the collision between the vertical plate 20 and the shaking during the lifting process of the magnet, the tool also comprises an anti-collision assembly 70, wherein the anti-collision assembly 70 is used for preventing the vertical plate 20 and the magnet from collision during the assembling process, so that the magnet is effectively protected during the assembling process. The anti-collision assembly 70 is a protective structure during assembly and can be removed after the magnet assembly is completed.

As an embodiment of the present utility model, as shown in fig. 5, the bumper assembly 70 includes three rubber blocks 71 respectively disposed on both sides and the top of the riser 20. Wherein, every rubber piece 71 sets up to "7" type, detains to establish in riser 20 both sides and top, and its vertical section carries out fastening connection through bolt and riser 20, and its horizontal segment surrounds in riser 20's outside, and vertical section sets up in riser 20's rear side, and the width of horizontal segment is greater than riser 20 thickness to the realization is avoiding the local bump with riser 20 of magnet and riser 20 when not sheltering from magnet hoist and mount.

For further explanation of the present utility model, the lateral spacing adjustment process of the magnets will be described in detail.

Firstly, the height of the supporting plate 31 is adjusted, and the supporting plate is moved to a position contacting with the lower surface of the magnet to support the magnet; then unscrewing bolts installed between the thrust plate 42 and the riser 20; the first adjusting screw 41 is rotated again to push the magnet to move to a reasonable installation interval; then two semicircular gaskets with the thickness matched with the structural gaps are selected for installation; finally, the bolts arranged between the thrust plate 42 and the vertical plate 20 are screwed down to realize the re-fixing of the thrust plate 42 and the vertical plate 20 so as to carry out subsequent structural vibration tests.

In summary, the utility model provides a magnet vibration test tool, wherein the first adjusting screw 41 is rotated to drive the magnet to move transversely by the thrust plate 42, so as to adjust the transverse distance of the magnet and meet the requirements of magnet vibration tests under different air gaps; meanwhile, the supporting plate 31 and the supporting frame 32 can slide relatively along the transverse direction, so that the first adjusting screw 41 is matched to push the magnet to move transversely, and the adjustment of the transverse distance between the magnets is facilitated. The utility model can realize the gap adjustment state vibration test of the large structural member through the matching of the push rod assembly 40 and the bracket assembly 30.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A magnet vibration test tool, characterized in that the tool comprises a bottom plate (10), a vertical plate (20), a bracket assembly (30), a push rod assembly (40) and a first connecting piece (50);

the bottom plate (10) is connected with a vibration source;

the vertical plate (20) is arranged on the bottom plate (10), and a first threaded hole is formed in the vertical plate (20);

the bracket assembly (30) comprises a supporting plate (31) and a supporting frame (32), wherein the upper surface of the supporting plate (31) is contacted with the lower surface of the magnet for supporting the magnet, the supporting plate (31) can be arranged on the supporting frame (32) in a transverse sliding way so as to facilitate the magnet to move along the transverse direction, and the supporting frame (32) is connected with the vertical plate (20);

the push rod assembly (40) comprises a first adjusting screw rod (41) and a thrust plate (42), one end of the first adjusting screw rod (41) penetrates through the first threaded hole to be connected with one end of the thrust plate (42), the other end of the thrust plate (42) is connected with the side face of the magnet, and the magnet is driven to move transversely by the thrust plate (42) through rotating the first adjusting screw rod (41);

the first connector (50) is used for connecting the thrust plate (42) and the vertical plate (20) after the magnets are subjected to transverse distance adjustment.

2. The tooling of claim 1, wherein the push rod assembly (40) further comprises a spacer unit disposed between the thrust plate (42) and the riser (20), the spacer unit having a thickness that is adapted to the spacing between the thrust plate (42) and the riser (20).

3. Tool according to claim 2, wherein the gasket unit comprises a first gasket (43), a second gasket (44) and a second connecting piece, the first gasket (43) and the second gasket (44) are semicircular, the first gasket (43) and the second gasket (44) are buckled on the first adjusting screw (41) to form a circular gasket, and the second connecting piece is used for connecting the first gasket (43) and the second gasket (44).

4. A tool according to any one of claims 1-3, wherein the push rod assembly (40) further comprises a first handle (45), the first handle (45) being arranged at the other end of the first adjusting screw (41).

5. Tool according to claim 1, wherein the bracket assembly (30) further comprises N second adjusting screws (33), the support frame (32) is provided with N second threaded holes corresponding to the second adjusting screws (33) one by one, one end of each second adjusting screw (33) is contacted with the supporting plate (31) through the corresponding second threaded hole, and the supporting plate (31) moves vertically by rotating the N second adjusting screws (33), wherein N is an integer greater than 2.

6. Tool according to claim 5, wherein N of said second adjusting screws (33) are not all in a straight line.

7. Tool according to claim 5 or 6, wherein the bracket assembly (30) further comprises a second handle (34), the second handle (34) being arranged at the other end of the second adjusting screw (33).

8. Tool according to claim 1, characterized in that the tool further comprises a stiffening rib (60), the stiffening rib (60) being connected with the bottom plate (10) and the lower part of the riser (20) for stabilizing the riser (20).

9. The tooling of claim 1, further comprising a bumper assembly (70), the bumper assembly (70) being configured to prevent the riser (20) and magnet from colliding during assembly.

10. Tool according to claim 9, wherein the anti-collision assembly (70) comprises three rubber blocks (71) arranged on both sides and on top of the riser (20) respectively.