Vibration test bench for electromechanical equipment

Abstract

The utility model relates to the technical field of electromechanical equipment detection, and discloses an electromechanical equipment vibration testboard, which comprises a fixed base and a vibration table, a plurality of groups of buffer pieces are arranged on the upper surface of the fixed base, the plurality of groups of buffer pieces are all arranged on the upper surface of the fixed base, and a first positioning mechanism is arranged on the fixed base; through cooperation of a vibration table, a first positioning mechanism, a second positioning mechanism and a third positioning mechanism, positions of two groups of first clamping plates are adjusted through a first two-way screw rod, so that an electromechanical equipment body is conveniently and quickly clamped and fixed; and the second positioning mechanism and the third positioning mechanism are used for conveniently clamping the other two sides and pressing the top of the electromechanical equipment body, so that the stability of the electromechanical equipment body during vibration is improved, the electromechanical equipment body is prevented from falling off during vibration testing, the accuracy of a vibration testing result is improved, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromechanical equipment detection, in particular to an electromechanical equipment vibration test bench. Background Art

[0002] Electromechanical equipment generally refers to machinery, electrical appliances, and electrical automation equipment. There are many types of electromechanical equipment, which can be divided into three categories according to their use: industrial electromechanical equipment, information electromechanical equipment, and consumer electromechanical equipment. Electromechanical equipment usually undergoes a series of tests before leaving the factory, such as vibration testing.

[0003] In the prior art, the Chinese utility model application number: CN202222445797.9 discloses a vibration test bench for electromechanical equipment, including a base, four springs fixedly mounted on the top of the base, and slide cylinders mounted on the outside of the four springs. A connecting rod vibration mechanism is provided on the top of the base, and the connecting rod vibration mechanism includes a support platform fixedly mounted on the top of the base. The electromechanical equipment vibration test bench achieves the effect of supporting the device by means of a base mounted at the bottom of the support platform, achieves the effect of preventing the test object from falling off by means of a guard plate mounted at the top of the support platform, achieves the effect of lifting the vibration platform to vibrate by means of a dual-axis motor mounted at the top of the support platform driving the connecting rod mounted on the outside of the crank to rotate, achieves the effect of limiting the shaking of the vibration platform by means of a sliding column mounted at the bottom of the vibration platform slidingly mounted inside the slide cylinder, and achieves the effect of enhancing the shaking of the vibration platform by means of a spring mounted inside the slide cylinder squeezing the sliding column mounted at the bottom of the vibration platform.

[0004] Although the above technical solution can perform vibration testing on electromechanical equipment, when the electromechanical equipment is placed on a vibration table for testing, the electromechanical equipment is not fixed, which causes the position of the electromechanical equipment to easily shift during vibration and then fall off the vibration table, causing damage to the electromechanical equipment. Therefore, we need to propose a vibration test table for electromechanical equipment. Utility Model Content

[0005] The purpose of the present utility model is to provide a vibration test bench for electromechanical equipment, which is convenient for quickly fixing the electromechanical equipment under vibration test, avoiding the electromechanical equipment from falling and being damaged during the vibration test, improving the accuracy of the vibration test of the electromechanical equipment, and improving the practicality, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a vibration test bench for electromechanical equipment, comprising a fixed base and a vibration table, wherein the upper surface of the fixed base is provided with multiple groups of buffer members, and the multiple groups of buffer members are all mounted on the upper surface of the fixed base, a first positioning mechanism is provided on the fixed base, a second positioning mechanism is mounted on the first positioning mechanism, and a third positioning mechanism is provided on the second positioning mechanism, an electromechanical equipment body is provided on the upper surface of the vibration table, and a vibration motor is mounted in the middle of the lower surface of the vibration table;

[0007] The first positioning mechanism includes a first bidirectional screw, both ends of the first bidirectional screw are threadedly connected to first clamping plates, and the electromechanical equipment body is arranged between two groups of the first clamping plates.

[0008] Preferably, the vibration table is arranged in a circular shape, a rectangular through slot for the vibration table to pass through is opened on one side of the first clamping plate, and a reinforcing block for the first bidirectional screw to rotate is fixedly connected to the inner cavity of the vibration table.

[0009] Preferably, the first bidirectional screw is rotatably arranged in the inner cavity of the vibration table, one end of the first bidirectional screw passes through the vibration table and is driven by the first motor, and the length of the first clamping plate is greater than the width of the vibration table.

[0010] Preferably, the second positioning mechanism includes a second bidirectional screw, both ends of the second bidirectional screw are threadedly connected to sliders, and one side of the slider is fixedly connected to a second clamping plate for clamping the electromechanical equipment body.

[0011] Preferably, a sliding groove for the second bidirectional screw to rotate is opened on one side of the first clamping plate, the slider is slidably set in the inner cavity of the sliding groove, and one end of the second bidirectional screw passes through the first clamping plate and is driven by the second motor.

[0012] Preferably, the third positioning mechanism includes a limit frame fixedly connected to the upper end of the other side of the first clamping plate, a vertical plate is slidably inserted in the limit frame, and a pressure plate is fixedly connected to the upper end of one side of the vertical plate.

[0013] Preferably, a locking bolt is threadedly connected to one side of the limit frame, and a guide groove for the end of the locking bolt to abut against is provided on the other side of the vertical plate.

[0014] Preferably, the buffer member includes a slide fixedly connected to the upper surface of the fixed base and a sliding column fixedly connected to the lower surface of the vibration table, the lower end of the sliding column is slidably set on the top of the slide cavity, and the slide cavity is provided with a first spring located below the sliding column.

[0015] Preferably, the upper end of the first spring abuts against an anti-slip plate slidably arranged in the inner cavity of the slide cylinder, and the anti-slip plate is fixedly connected to the lower end of the sliding column. The outer side of the sliding column is sleeved with a second spring, and the lower end of the second spring abuts against the upper surface of the sliding sleeve.

[0016] Preferably, two groups of dampers are provided on the upper surface of the fixed base, and the upper ends of the two groups of dampers are fixedly connected to the lower surface of the vibration table.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model mainly adjusts the positions of the two groups of first clamping plates through the cooperation between the vibration table, the first positioning mechanism, the second positioning mechanism and the third positioning mechanism, so as to conveniently and quickly clamp and fix the electromechanical equipment body, and utilizes the second positioning mechanism and the third positioning mechanism to conveniently clamp the other two sides and press the top of the electromechanical equipment body, thereby improving the stability of the electromechanical equipment body during vibration, thereby avoiding the electromechanical equipment body from falling during the vibration test, improving the accuracy of the vibration test results, and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the buffer member of the present utility model;

[0021] Figure 3 This is a schematic structural diagram of the first positioning mechanism and the second positioning mechanism of the present utility model;

[0022] Figure 4 This is a schematic structural diagram of the third positioning mechanism of the present utility model.

[0023] In the figure: 1. fixed base; 2. buffer part; 21. slide; 22. sliding column; 23. first spring; 24. second spring; 3. damper; 4. vibration table; 5. first positioning mechanism; 51. first bidirectional screw; 52. first motor; 53. first clamping plate; 54. rectangular through groove; 55. slide groove; 6. second positioning mechanism; 61. second bidirectional screw; 62. second motor; 63. slider; 64. second clamping plate; 7. third positioning mechanism; 71. vertical plate; 72. pressure plate; 73. guide groove; 74. limit frame; 75. locking bolt; 8. electromechanical equipment body; 9. reinforcement block; 10. vibration motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-4 The utility model provides a technical solution: a vibration test bench for electromechanical equipment, comprising a fixed base 1 and a vibration table 4, a plurality of groups of buffer members 2 are provided on the upper surface of the fixed base 1, and the plurality of groups of buffer members 2 are all installed on the upper surface of the fixed base 1, a first positioning mechanism 5 is provided on the fixed base 1, a second positioning mechanism 6 is installed on the first positioning mechanism 5, a third positioning mechanism 7 is provided on the second positioning mechanism 6, an electromechanical equipment body 8 is provided on the upper surface of the vibration table 4, and a vibration motor 10 is installed in the middle of the lower surface of the vibration table 4.

[0026] The first positioning mechanism 5 includes a first bidirectional screw 51 . Both ends of the first bidirectional screw 51 are threadedly connected to first clamping plates 53 . The electromechanical device body 8 is disposed between two sets of first clamping plates 53 .

[0027] In this embodiment, if Figure 1-2 As shown, the vibration table 4 is arranged in a circular shape, and a rectangular through groove 54 for the vibration table 4 to pass through is opened on one side of the first clamping plate 53. The inner cavity of the vibration table 4 is fixedly connected to a reinforcement block 9 for the first bidirectional screw 51 to rotate. The reinforcement block 9 improves the strength of the vibration table 4, thereby improving the service life of the vibration table 4.

[0028] In a further preferred embodiment, Figure 3 As shown, the first bidirectional screw 51 is rotatably set in the inner cavity of the vibration table 4, one end of the first bidirectional screw 51 passes through the vibration table 4 and is driven by the first motor 52, the length of the first clamping plate 53 is greater than the width of the vibration table 4, and using the first motor 52 to drive the first bidirectional screw 51 saves the labor intensity of manual operation and improves the efficiency of fixing the electromechanical equipment body 8.

[0029] Further, such as Figure 3 As shown, the second positioning mechanism 6 includes a second bidirectional screw 61, both ends of the second bidirectional screw 61 are threadedly connected to a slider 63, and one side of the slider 63 is fixedly connected to a second clamping plate 64 for clamping the electromechanical equipment body 8. The slider 63 slides in the slide groove 55, thereby avoiding angular deviation of the second clamping plate 64 and improving the stability of clamping the electromechanical equipment body 8.

[0030] Preferably, Figure 3As shown, a sliding groove 55 is provided on one side of the first clamping plate 53 for the second bidirectional screw 61 to rotate, and a slider 63 is slidably set in the inner cavity of the sliding groove 55. One end of the second bidirectional screw 61 passes through the first clamping plate 53 and is driven by the second motor 62. The second bidirectional screw 61 is driven by the second motor 62 to facilitate the adjustment of the position of the second clamping plate 64, thereby facilitating the clamping of electromechanical equipment bodies 8 of different specifications, thereby improving the scope of application.

[0031] Among them, such as Figure 4 As shown, the third positioning mechanism 7 includes a limit frame 74 fixedly connected to the upper end of the other side of the first clamping plate 53, and a vertical plate 71 is slidably inserted in the limit frame 74. A pressure plate 72 is fixedly connected to the upper end of one side of the vertical plate 71. The pressure plate 72 is used to facilitate the Z-axis direction limitation of the electromechanical equipment body 8 during vibration, thereby improving the stability of the electromechanical equipment body 8 during vibration testing.

[0032] In addition, if Figure 4 As shown, a locking bolt 75 is threadedly connected to one side of the limit frame 74, and a guide groove 73 is provided on the other side of the vertical plate 71 for the end of the locking bolt 75 to abut against the vertical plate 71. The guide groove 73 facilitates the locking bolt 75 to abut against the vertical plate 71, thereby improving the stability of the fixation of the vertical plate 71.

[0033] Preferably, Figure 1-2 As shown, the buffer member 2 includes a slide 21 fixedly connected to the upper surface of the fixed base 1 and a sliding column 22 fixedly connected to the lower surface of the vibration table 4. The lower end of the sliding column 22 is slidably set at the top of the inner cavity of the slide 21. The inner cavity of the slide 21 is provided with a first spring 23 located below the sliding column 22. The sliding column 22 slides in the slide 21 to limit the vibration direction of the vibration table 4 and improve the vibration effect.

[0034] like Figure 1-2 As shown, the upper end of the first spring 23 is in contact with an anti-slip plate slidably set in the inner cavity of the slide cylinder 21, and the anti-slip plate is fixedly connected to the lower end of the sliding column 22. The outer side of the sliding column 22 is sleeved with a second spring 24, and the lower end of the second spring 24 is in contact with the upper surface of the sliding sleeve. The first spring 23 and the second spring 24 are used to buffer the vibration of the vibration table 4, thereby improving the service life of the device.

[0035] Secondly, if Figure 1-2 As shown, two groups of dampers 3 are provided on the upper surface of the fixed base 1, and the upper ends of the two groups of dampers 3 are fixedly connected to the lower surface of the vibration table 4. The dampers 3 are used in conjunction with the first spring 23 and the second spring 24 to improve the efficiency of the vibration table 4 being stable after the test.

[0036] When in use, the electromechanical equipment body 8 is placed on the surface of the vibration table 4, and the first motor 52 drives the first bidirectional screw 51 to adjust the position of the two groups of first clamping plates 53, so that the two groups of first clamping plates 53 are against the two sides of the electromechanical equipment body 8, completing the vibration fixation of the electromechanical equipment body 8, and the second motor 62 drives the second bidirectional screw 61 to drive the two groups of second clamping plates 64 to be relatively close, thereby clamping the other two sides of the electromechanical equipment body 8, thereby achieving the clamping of the other two sides of the electromechanical equipment body 8, and then loosening the locking bolt 75 to make the vertical plate 71 fall under the action of gravity, so that the pressure plate 72 is pressed against the upper surface of the electromechanical equipment body 8, and then tightening the locking bolt 75 to fix the vertical plate 71, thereby preventing the electromechanical equipment body 8 from shaking up and down during the vibration test, thereby improving the stability of the vibration test of the electromechanical equipment body 8, thereby facilitating the detection of the vibration test accuracy of the electromechanical equipment, and utilizing the vibration motor 10 to drive the vibration table 4 to vibrate, thereby facilitating the transmission of vibration to the electromechanical equipment.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibration test bench for electromechanical equipment, comprising a fixed base (1) and a vibration table (4), characterized in that: The upper surface of the fixed base (1) is provided with a plurality of groups of buffer members (2), and the plurality of groups of buffer members (2) are all mounted on the upper surface of the fixed base (1); the fixed base (1) is provided with a first positioning mechanism (5), the first positioning mechanism (5) is mounted with a second positioning mechanism (6), and the second positioning mechanism (6) is provided with a third positioning mechanism (7); the upper surface of the vibration table (4) is provided with an electromechanical device body (8), and the middle portion of the lower surface of the vibration table (4) is mounted with a vibration motor (10); The first positioning mechanism (5) comprises a first bidirectional screw (51), both ends of the first bidirectional screw (51) are threadedly connected to first clamping plates (53), and the electromechanical equipment body (8) is arranged between two sets of the first clamping plates (53).

2. The electromechanical equipment vibration test bench according to claim 1, characterized in that: The vibration table (4) is arranged in a circular shape, and a rectangular through slot (54) for the vibration table (4) to pass through is provided on one side of the first clamping plate (53). A reinforcing block (9) for the first bidirectional screw (51) to rotate is fixedly connected to the inner cavity of the vibration table (4).

3. The electromechanical equipment vibration test bench according to claim 2, characterized in that: The first bidirectional screw (51) is rotatably arranged in the inner cavity of the vibration table (4), one end of the first bidirectional screw (51) passes through the vibration table (4) and is driven by the first motor (52), and the length of the first clamping plate (53) is greater than the width of the vibration table (4).

4. The electromechanical equipment vibration test bench according to claim 3, characterized in that: The second positioning mechanism (6) comprises a second bidirectional screw (61), both ends of the second bidirectional screw (61) are threadedly connected to sliders (63), and one side of the slider (63) is fixedly connected to a second clamping plate (64) for clamping the electromechanical equipment body (8).

5. The electromechanical equipment vibration test bench according to claim 4, characterized in that: A sliding groove (55) for the second bidirectional screw (61) to be rotatably arranged is provided on one side of the first clamping plate (53), and the slider (63) is slidably arranged in the inner cavity of the sliding groove (55). One end of the second bidirectional screw (61) passes through the first clamping plate (53) and is driven by the second motor (62).

6. The electromechanical equipment vibration test bench according to claim 5, characterized in that: The third positioning mechanism (7) comprises a limit frame (74) fixedly connected to the upper end of the other side of the first clamping plate (53), a vertical plate (71) is slidably inserted into the limit frame (74), and a pressure plate (72) is fixedly connected to the upper end of one side of the vertical plate (71).

7. The electromechanical equipment vibration test bench according to claim 6, characterized in that: One side of the limit frame (74) is threadedly connected to a locking bolt (75), and the other side of the vertical plate (71) is provided with a guide groove (73) for the end of the locking bolt (75) to abut against.

8. The electromechanical equipment vibration test bench according to claim 7, characterized in that: The buffer member (2) comprises a slide cylinder (21) fixedly connected to the upper surface of the fixed base (1) and a slide column (22) fixedly connected to the lower surface of the vibration table (4), wherein the lower end of the slide column (22) is slidably arranged at the top of the inner cavity of the slide cylinder (21), and the inner cavity of the slide cylinder (21) is provided with a first spring (23) located below the slide column (22).

9. The electromechanical equipment vibration test bench according to claim 8, characterized in that: The upper end of the first spring (23) abuts against an anti-slip plate slidably arranged in the inner cavity of the slide cylinder (21), and the anti-slip plate is fixedly connected to the lower end of the sliding column (22). The outer side of the sliding column (22) is provided with a second spring (24), and the lower end of the second spring (24) abuts against the upper surface of the sliding sleeve.

10. The electromechanical equipment vibration test bench according to claim 1, characterized in that: Two groups of dampers (3) are provided on the upper surface of the fixed base (1), and the upper ends of the two groups of dampers (3) are fixedly connected to the lower surface of the vibration table (4).

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