Motor vibration detection equipment

Abstract

Motor vibration detection equipment comprises a detection main body, the detection main body comprises a frame body, a vibration plate, a vibration motor, an elastic supporting piece, a first vibration detection part and a pressing plate, the vibration plate is elastically supported on the frame body up and down through the elastic supporting piece, the vibration motor is arranged above the vibration plate, and the pressing plate is movably arranged above the vibration motor up and down; the first vibration detection part is located above the vibration plate. According to the motor vibration detection equipment, the pressing plate which moves up and down is arranged, and after the pressing plate moves downwards, the vibration motor is pressed between the pressing plate and the vibration plate, so that the vibration motor is effectively fixed, the up-and-down and left-and-right vibration amplitude detection of the vibration motor is more accurate, and the up-and-down and left-and-right vibration amplitude of the vibration motor is effectively detected; the motor is directly fixed through the vibration plate, vibration attenuation can be reduced, and the detection precision is improved; in addition, the movable design of the pressing plate facilitates the quick replacement of the to-be-detected vibration motor, improves the detection efficiency, and is suitable for batch detection scenes.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, and in particular to a motor vibration testing device. Background Technology

[0002] Before leaving the factory, the vibration amplitude of a vibratory motor needs to be tested. For example, the vibration amplitude of a vibratory fitness machine needs to be tested in terms of its vertical and horizontal vibration amplitude. Existing testing equipment generally has low accuracy and cannot effectively fix the vibratory motor during testing, resulting in inaccurate detection of the vertical and horizontal vibration amplitude of the vibratory motor.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of this invention is to provide a motor vibration detection device that is simple in structure, has high detection accuracy, good positioning effect, good user experience, and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A motor vibration testing device designed for this purpose includes a testing body, which includes a frame. The testing body further includes a vibrating plate, a vibrating motor, an elastic support member, a first vibration detection component, and a pressure plate. The vibrating plate is elastically supported vertically on the frame by the elastic support member. The vibrating motor is positioned above the vibrating plate, and the pressure plate is movably positioned vertically above the vibrating motor. The first vibration detection component is located above the vibrating plate. During vibration testing, the pressure plate moves downwards to press the vibrating motor between the pressure plate and the vibrating plate. The vibrating motor drives the vibrating plate to vibrate vertically, allowing the first vibration detection component to detect the vertical vibration amplitude of the vibrating motor.

[0006] The detection body also includes a second vibration detection component, which is located on both sides of the vibration plate. Two vibration motors are provided and distributed on the left and right sides above the vibration plate. The vibration motors correspond one-to-one with the second vibration detection components, and the two vibration motors rotate in opposite directions. When the vibration motors drive the vibration plate to vibrate up and down, the second vibration detection component detects the left and right vibration amplitude of the vibration motors.

[0007] The first vibration detection components are located on both sides of the vibrating plate, and the vibration motor corresponds to the first vibration detection component.

[0008] The vibrating plate is equipped with positioning blocks, which are located on both sides of the vibrating motor. A support plate is provided at the bottom of the vibrating motor, and the vibrating motor is supported on the positioning blocks by the support plate.

[0009] The positioning block is provided with positioning posts distributed in the front and back, and the support plate is provided with positioning holes distributed in the front and back. The positioning posts are inserted into the positioning holes so that the vibration motor is positioned on the vibration plate.

[0010] The detection main body further comprises a driver, the driver drives the connecting pressing plate, and the driver drives the pressing plate to move up and down.

[0011] The detection main body further comprises a driver, the driver drives the connecting pressing plate, and the driver drives the pressing plate to move up and down.

[0012] The frame body is provided with a movable cavity, the vibration plate is movably arranged in the movable cavity, and the elastic support is arranged in the movable cavity.

[0013] The upper end of the elastic support is provided with the first connecting plate, and the lower end of the elastic support is provided with the second connecting plate.

[0014] The elastic support is in a rhombus shape, is provided with a through hole in the inside, and is provided with an elastic supporting block in the through hole.

[0015] The motor vibration detection equipment of the utility model has the advantages that the pressing plate is movably arranged, the vibration motor is pressed between the pressing plate and the vibration plate after the pressing plate moves downward, the vibration motor is effectively fixed, the vibration amplitude of the vibration motor in up, down, left and right directions is more accurate, the vibration amplitude of the vibration motor in up, down, left and right directions is effectively detected, the motor is directly fixed by the vibration plate, vibration attenuation is reduced, and detection precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the detection main body in an embodiment of the utility model.

[0017] Figure 2 It is a partial structure schematic view of the detection main body in an embodiment of the utility model.

[0018] Figure 3 It is a sectional view of the detection main body in an embodiment of the utility model.

[0019] Figure 4 It is an exploded structure schematic view of the vibration motor and the positioning block in an embodiment of the utility model.

[0020] Figure 5 It is an exploded structure schematic view of the elastic support in an embodiment of the utility model.

[0021] Figure 6 It is a front view of the control host in an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the drawings and embodiments.

[0023] See Figures 1-6 The motor vibration detection device comprises a detection main body a, the detection main body a comprises a frame body 1, a vibration plate 2, a vibration motor 3, an elastic support 4, a first vibration detection component 5 and a pressing plate 6, the vibration plate 2 is elastically supported on the frame body 1 through the elastic support 4, the vibration motor 3 is arranged above the vibration plate 2, the pressing plate 6 is movably arranged above the vibration motor 3, the first vibration detection component 5 is located above the vibration plate 2 and is close to the vibration plate 2; when the vibration motor 3 is detected, the pressing plate 6 is moved downward to press the vibration motor 3 between the pressing plate 6 and the vibration plate 2, the vibration motor 3 is started to drive the vibration plate 2 to vibrate upward and downward, so that the first vibration detection component 5 detects the vibration amplitude of the vibration motor 3, and the first vibration detection component 5 indirectly detects the vibration amplitude of the vibration motor 3 through the upward and downward vibration of the vibration plate 2; the first vibration detection component 5 is a vibration detector.

[0024] The detection main body a further comprises a second vibration detection component 7, the second vibration detection component 7 is respectively located on the left and right sides of the vibration plate 2, the vibration motor 3 is arranged in two and is distributed above the vibration plate 2, the vibration motor 3 corresponds to the second vibration detection component 7 one by one, the rotation directions of the two vibration motors 3 are opposite, so that the left and right vibrations of the two vibration motors 3 can be offset, thereby greatly reducing the vibration in the left and right directions; when the vibration motor 3 drives the vibration plate 2 to vibrate upward and downward, the second vibration detection component 7 detects the vibration amplitude of the vibration motor 3, the second vibration detection component 7 is close to the vibration plate 2, the second vibration detection component 7 indirectly detects the vibration amplitude of the vibration motor 3 through the left and right vibration of the vibration plate 2, and the second vibration detection component 7 is a vibration detector; the vibration motor 3 is suitable for a vibration fitness equipment, the vibration motor 3 drives the vibration platform of the vibration fitness equipment to vibrate upward and downward, and does not need to drive the vibration platform to vibrate left and right, so that the second vibration detection component 7 needs to detect the vibration amplitude of the vibration motor 3 to be less than a certain value to be qualified, and the first vibration detection component 5 needs to detect the vibration amplitude of the vibration motor 3 to be greater than a certain value to be qualified.

[0025] The first vibration detection component 5 is respectively located on the two sides of the vibration plate 2, and the vibration motor 3 corresponds to the first vibration detection component 5 one by one; the first vibration detection component 5 and the second vibration detection component 7 respectively detect the upward and downward vibration amplitudes and the left and right vibration amplitudes of the corresponding vibration motor 3.

[0026] The frame body 1 is provided with a mounting plate 19, the first vibration detection component 5 is mounted on the mounting plate 19, and the second vibration detection component 7 is directly fixed to the side of the frame body 1.

[0027] The vibration plate 2 is provided with positioning blocks 8, the positioning blocks 8 are respectively located on the left and right sides of the vibration motor 3, the vibration motor 3 is provided with a supporting plate 9 at the bottom, the vibration motor 3 is supported on the positioning blocks 8 through the supporting plate 9, and the positioning blocks 8 are fixed on the vibration plate 2 through screws.

[0028] The positioning block 8 is provided with front and rear distributed positioning columns 10, the supporting plate 9 is provided with front and rear distributed positioning holes 11, the positioning columns 10 are inserted into the positioning holes 11, so that the vibration motor 3 is positioned on the vibration plate 2, the positioning column 10 on the front side of the positioning block 8 abuts against the front end of the positioning hole 11 on the front side of the supporting plate 9, and the positioning column 10 on the rear side of the positioning block 8 abuts against the rear end of the positioning hole 11 on the rear side of the supporting plate 9.

[0029] The detection main body a further comprises a driver 12, the driver 12 drives the connecting plate 6, the driver 12 drives the connecting plate 6 to move up and down, the driver 12 is fixed on the vibration plate 2, when the vibration motor 3 completes detection, the driver 12 drives the connecting plate 6 to move upward, thereby loosening the vibration motor 3, and then the vibration motor 3 can be replaced; the driver 12 is a pneumatic cylinder; the driver 12 is located below the vibration plate 2, a piston rod 20 of the driver 12 extends to above the vibration plate 2 through the vibration plate 2, thereby connecting the connecting plate 6; the vibration motor 3 is respectively located on the left and right sides of the piston rod 20.

[0030] Further comprising a control host b, the control host b is electrically connected with the vibration motor 3, the first vibration detection component 5, the second vibration detection component 7 and the driver 12 through wires respectively, the control host b is provided with a display screen 13 for displaying vibration parameters, the vibration amplitude values detected by the first vibration detection component 5 and the second vibration detection component 7 are fed back to the control host b, and then displayed through the display screen 13, and whether the detection result is qualified can be judged; in addition, the control host b can also be used to adjust related parameters.

[0031] The frame body 1 is provided with a movable cavity 14, the vibration plate 2 is movably arranged in the movable cavity 14, and the elastic support 4 is arranged in the movable cavity 14.

[0032] The upper end of the elastic support 4 is provided with a first connecting plate 15, and the lower end is provided with a second connecting plate 16, the first connecting plate 15 connects the vibration plate 2, and the second connecting plate 16 connects the frame body 1; the first connecting plate 15 is provided with a screw rod 21, the upper end of the elastic support 4 is provided with a first through hole 22, the vibration plate 2 is provided with a first threaded hole 23, the screw rod 21 is screwed with the first threaded hole 23 after passing through the first through hole 22, thereby connecting the upper end of the elastic support 4 with the vibration plate 2; the second connecting plate 16 is provided with a second through hole 24, the lower end of the elastic support 4 is provided with a third through hole 25, the frame body 1 is provided with a second threaded hole 26, and a fastener 27 is fastened with the second threaded hole 26 after passing through the second through hole 24 and the third through hole 25 in sequence, thereby connecting the lower end of the elastic support 4 with the frame body 1.

[0033] The elastic support 4 is in a rhombus shape, and a through hole 17 is arranged in the elastic support 4, and an elastic supporting block 18 is arranged in the through hole 17; when the vibration plate 2 moves downward, the elastic support 4 is compressed, the supporting block 18 can support the elastic support 4, prevent the elastic support 4 from being compressed excessively, and then touch the frame body 1, so that the frame body 1 is deformed under stress, and therefore the supporting block 18 can prevent the frame body 1 from being deformed under stress; the elastic support 4 and the supporting block 18 are made of rubber or plastic.

[0034] The above is the preferred scheme of the utility model, and the basic principle, main features and advantages of the utility model are displayed and described. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and all the changes and improvements fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrical machine vibration detection apparatus comprising a detection body (a) comprising a frame body (1), characterised in that: The detection main body (a) further comprises a vibrating plate (2), a vibrating motor (3), an elastic support (4), a first vibration detection component (5) and a pressing plate (6), the vibrating plate (2) is elastically supported on the frame body (1) through the elastic support (4), the vibrating motor (3) is arranged above the vibrating plate (2), the pressing plate (6) is movably arranged above the vibrating motor (3), and the first vibration detection component (5) is located above the vibrating plate (2); when the vibrating motor (3) is vibrated, the pressing plate (6) is moved downward, so that the vibrating motor (3) is pressed between the pressing plate (6) and the vibrating plate (2), the vibrating motor (3) drives the vibrating plate (2) to vibrate up and down, and the first vibration detection component (5) detects the vibration amplitude of the vibrating motor (3) up and down.

2. The motor vibration detection device of claim 1, wherein: The detection main body (a) further comprises a second vibration detection component (7), the second vibration detection component (7) is located on both sides of the vibrating plate (2), the vibrating motor (3) is arranged in two and distributed on both sides of the vibrating plate (2), the vibrating motor (3) corresponds to the second vibration detection component (7) one by one, and the rotating directions of the two vibrating motors (3) are opposite; when the vibrating motor (3) drives the vibrating plate (2) to vibrate up and down, the second vibration detection component (7) detects the vibration amplitude of the vibrating motor (3) left and right.

3. The motor vibration detection apparatus of claim 2, wherein: The first vibration detection component (5) is located on both sides of the vibrating plate (2), and the vibrating motor (3) corresponds to the first vibration detection component (5) one by one.

4. The motor vibration detection apparatus of claim 1, wherein: The vibrating plate (2) is provided with positioning blocks (8) arranged in front and back, the vibrating motor (3) is provided with a supporting plate (9) at the bottom, and the vibrating motor (3) is supported on the positioning blocks (8) through the supporting plate (9).

5. The motor vibration detection apparatus of claim 4, wherein: The positioning blocks (8) are provided with positioning columns (10) arranged in front and back, the supporting plate (9) is provided with positioning holes (11) arranged in front and back, the positioning columns (10) are inserted into the positioning holes (11), and the vibrating motor (3) is positioned on the vibrating plate (2).

6. The motor vibration detection device of claim 2, wherein: The detection main body (a) further comprises a driver (12), the driver (12) is drivingly connected with the pressing plate (6), and the driver (12) drives the pressing plate (6) to move up and down.

7. The motor vibration detection device of claim 2, wherein: The control host (b) is electrically connected with the vibrating motor (3), the first vibration detection component (5), the second vibration detection component (7) and the driver (12) respectively, and the control host (b) is provided with a display screen (13) used for displaying vibration parameters.

8. The motor vibration detection device of claim 1, wherein: The frame body (1) is provided with a movable cavity (14), the vibrating plate (2) is movably arranged in the movable cavity (14), and the elastic support (4) is arranged in the movable cavity (14).

9. The motor vibration detection device of claim 1, wherein: The upper end of the elastic support (4) is provided with a first connecting plate (15), and the lower end is provided with a second connecting plate (16), the first connecting plate (15) is connected with the vibrating plate (2), and the second connecting plate (16) is connected with the frame body (1).

10. The motor vibration detection device of claim 9, wherein: The elastic support (4) is in a rhombus shape, the inside of the elastic support (4) is provided with a through hole (17), and the through hole (17) is provided with an elastic supporting block (18).

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