Electrical test device for mechanical vibration table

Abstract

The utility model discloses an electrical test device for a mechanical vibration table, which comprises a bottom plate, a lifting plate is arranged above the bottom plate, a plurality of elastic support assemblies are arranged between the lifting plate and the bottom plate, a top plate is arranged above the lifting plate, and the lower surface of the top plate and the two sides of the upper surface of the lifting plate are jointly connected with horizontal swing assemblies. According to the utility model, the base plate, the elastic supporting assembly, the lifting plate, the top plate, the horizontal swinging assembly, the installation assembly, the baffle plate, the supporting table and the driving assembly are arranged, and the electrical equipment to be tested can be fixed on the upper surface of the top plate through the installation assembly; the driving assembly drives the top plate and the lifting plate to vibrate up and down and can also drive the top plate to vibrate horizontally at the same time, so that multi-directional vibration is realized, the vibration condition of the electrical equipment in actual use can be simulated, and more perfect test data can be provided.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical testing, in particular to an electrical testing device for a mechanical vibration table. Background Art

[0002] Vibration testing is a key component of electrical equipment reliability testing. This test simulates various vibration environments encountered by electrical equipment and evaluates its performance, structural strength, and fatigue life under these conditions. Vibration testing can identify potential equipment defects early and enable improvements to be implemented, thereby improving product reliability and durability.

[0003] Currently, vibration testing of electrical equipment requires the use of specialized mechanical vibration tables. Existing mechanical vibration tables typically utilize a vibration motor or a motor-driven pointed cam to raise and lower a support plate. However, these test tables can only achieve vibration in one direction. The actual operating environment of electrical equipment may experience vibration in multiple directions, so current equipment cannot fully simulate the vibration environment in which electrical equipment is actually used, resulting in certain limitations. To address these shortcomings, the present utility model proposes a mechanical vibration table electrical test device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an electrical test device for a mechanical vibration table.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a mechanical vibration table electrical test device, comprising a base plate, a lifting plate is provided above the base plate, a plurality of elastic support components are installed between the lifting plate and the base plate, a top plate is provided above the lifting plate, a horizontal swing component is commonly connected to the lower surface of the top plate and both sides of the upper surface of the lifting plate, mounting components for installing the electrical equipment to be tested are fixed on both sides of the upper surface of the top plate, a baffle is fixed in the middle of the lower surface of the top plate, the middle of the upper surface of the base plate is fixedly connected to a horizontal support platform through a vertical support rod, and a driving component for driving the lifting plate and the top plate to vibrate is installed in the middle of the lifting plate.

[0006] Furthermore, the elastic support assembly includes a vertical rod fixed to the upper surface of the base plate, the top surface of the vertical rod is slidably sleeved with a vertical tube, the top end of the vertical tube is fixedly connected to the lower surface of the lifting plate, and the inner top wall of the vertical tube and the top end of the vertical rod are jointly fixedly connected with a first spring.

[0007] Furthermore, the mounting assembly includes a vertical plate fixed to the upper surface of the top plate, a screw rod passing through the middle of the vertical plate and threadedly connected, one end of the screw rod near the center of the top plate is rotatably connected to a splint through a bearing, and a handle is fixed to the other end of the screw rod.

[0008] Furthermore, the horizontal swing assembly includes two side plates fixed on the upper surface of the lifting plate, a guide rod is fixed between the two side plates, and the guide rod is a square rod, a movable plate is slidably sleeved on the surface of the guide rod, the top of the movable plate is fixedly connected to the top plate, and a second spring is fixedly connected between the movable plate and the side plate.

[0009] Furthermore, the driving assembly includes a motor fixed to the lower surface of the lifting plate, a horizontal shaft is fixed to the driving end of the motor, and a first cam is fixed to the other end of the horizontal shaft, and the first cam is located above the support platform.

[0010] Furthermore, the drive assembly also includes a vertical shaft that vertically passes through the lifting plate, and the vertical shaft is rotatably connected to the lifting plate through bearings. The bottom and top ends of the vertical shaft are respectively fixed with a driven bevel gear and a second cam, and the middle part of the horizontal shaft is fixedly connected with an active bevel gear, and the active bevel gear is engaged with the driven bevel gear.

[0011] Furthermore, an escape opening is provided in the middle of the lifting plate and above the first cam.

[0012] Beneficial effects of the utility model:

[0013] When the utility model is in use, the mechanical vibration table electrical test device is provided with a bottom plate, an elastic support component, a lifting plate, a top plate, a horizontal swing component, a mounting component, a baffle, a support platform and a driving component. The electrical equipment to be tested can be fixed on the upper surface of the top plate through the mounting component. Under the action of the elastic support component and the horizontal swing component, the driving component drives the top plate and the lifting plate to vibrate up and down and can also drive the top plate to vibrate horizontally, thereby realizing multi-directional vibration, better simulating the vibration conditions to which the electrical equipment is actually subjected during use, and thus providing more complete test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for use in the description of the specific implementation methods. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 : The overall three-dimensional diagram of the utility model;

[0016] Figure 2 : An overall cross-sectional view of the utility model;

[0017] Figure 3 : Schematic diagram of the first cam of the present invention.

[0018] The reference numerals are as follows:

[0019] 1. Bottom plate; 2. Elastic support assembly; 21. Vertical rod; 22. Vertical tube; 23. First spring; 3. Lifting plate; 31. Avoidance; 4. Top plate; 5. Horizontal swing assembly; 51. Side plate; 52. Guide rod; 53. Moving plate; 54. Second spring; 6. Mounting assembly; 61. Vertical plate; 62. Screw; 63. Clamp; 7. Baffle; 8. Support platform; 9. Drive assembly; 91. Motor; 92. Horizontal axis; 93. First cam; 94. Active bevel gear; 95. Vertical axis; 96. Driven bevel gear; 97. Second cam. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying 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.

[0021] like Figure 1-Figure 3 As shown, it relates to an electrical test device of a mechanical vibration table, comprising a base plate 1, a lifting plate 3 is provided above the base plate 1, a plurality of elastic support components 2 are installed between the lifting plate 3 and the base plate 1, a top plate 4 is provided above the lifting plate 3, a horizontal swing component 5 is commonly connected to the lower surface of the top plate 4 and both sides of the upper surface of the lifting plate 3, mounting components 6 for mounting electrical equipment to be tested are fixed on both sides of the upper surface of the top plate 4, a baffle 7 is fixed in the middle of the lower surface of the top plate 4, a horizontal support platform 8 is fixedly connected to the middle of the upper surface of the base plate 1 through a vertical support rod, and a driving component 9 for driving the lifting plate 3 and the top plate 4 to vibrate is installed in the middle of the lifting plate 3.

[0022] The elastic support assembly 2 includes a vertical rod 21 fixed to the upper surface of the base plate 1, and a vertical tube 22 is slidably sleeved on the top surface of the vertical rod 21. The top of the vertical tube 22 is fixedly connected to the lower surface of the lifting plate 3, and the inner top wall of the vertical tube 22 and the top of the vertical rod 21 are jointly fixedly connected with a first spring 23.

[0023] The lifting plate 3 can move up and down in the vertical direction by the support of the first spring 23 and the guidance of the vertical tube 22 and the vertical rod 21. The first spring 23 has the function of driving the lifting plate 3 to return to its original position.

[0024] The mounting assembly 6 includes a vertical plate 61 fixed to the upper surface of the top plate 4. A screw 62 passes through the middle of the vertical plate 61 and is threadedly connected. One end of the screw 62 near the center of the top plate 4 is rotatably connected to a clamping plate 63 through a bearing, and a handle is fixed to the other end of the screw 62.

[0025] After the electrical device to be tested is placed on the upper surface of the top plate 4 , the clamping plates 63 can be moved by rotating the screw rod 62 , so that the electrical device can be squeezed and fixed by the two clamping plates 63 .

[0026] The horizontal swing assembly 5 includes two side plates 51 fixed to the upper surface of the lifting plate 3, a guide rod 52 is fixed between the two side plates 51, and the guide rod 52 is a square rod. A movable plate 53 is slidably sleeved on the surface of the guide rod 52, the top end of the movable plate 53 is fixedly connected to the top plate 4, and a second spring 54 is fixedly connected between the movable plate 53 and the side plate 51.

[0027] The movable plate 53 plays a role of vertical support for the top plate 4 , and the guide rod 52 plays a role of guiding the lateral movement of the movable plate 53 and the top plate 4 , and can drive the movable plate 53 and the top plate 4 to reset in cooperation with the second spring 54 .

[0028] The driving assembly 9 includes a motor 91 fixed to the lower surface of the lifting plate 3 , a horizontal shaft 92 is fixed to the driving end of the motor 91 , and a first cam 93 is fixed to the other end of the horizontal shaft 92 , and the first cam 93 is located above the support platform 8 .

[0029] When the motor 91 drives the first cam 93 to rotate, when the tip of the first cam 93 is in contact with the support platform 8, the lifting plate 3 will be lifted up. When the tip of the first cam 93 is away from the support platform 8, the first spring 23 pulls the lifting plate 3 down and resets, thereby realizing the up and down vibration of the lifting plate 3.

[0030] The driving assembly 9 also includes a vertical shaft 95 that vertically passes through the lifting plate 3, and the vertical shaft 95 is rotatably connected to the lifting plate 3 through a bearing. The bottom and top ends of the vertical shaft 95 are respectively fixed with a driven bevel gear 96 and a second cam 97. The middle part of the horizontal shaft 92 is fixedly connected with an active bevel gear 94, and the active bevel gear 94 is engaged with the driven bevel gear 96.

[0031] Through the transmission of the active bevel gear 94 and the driven bevel gear 96, the motor 91 can drive the second cam 97 to rotate. When the tip of the second cam 97 is in contact with the baffle 7, the top plate 4 can be pushed to move laterally. When the tip of the second cam 97 is away from the baffle 7, the second spring 54 will pull the movable plate 53 and the top plate 4 to reset, thereby realizing the vibration of the top plate 4 in the horizontal direction.

[0032] A clearance opening 31 is provided in the middle of the lifting plate 3 and above the first cam 93. The clearance opening 31 can prevent the first cam 93 from contacting the lifting plate 3 when rotating.

[0033] Working principle: Place the electrical equipment to be tested on the surface of the top plate 4, and then squeeze and fix the electrical equipment through the clamping plates 63 of the two mounting components 6, then start the motor 91, the motor 91 drives the first cam 93 and the second cam 97 to rotate, the first cam 93 cooperates with the support platform 8 to drive the lifting plate 3 and the top plate 4 to vibrate up and down, and the second cam 97 cooperates with the baffle 7 to drive the top plate 4 to vibrate horizontally, thereby realizing the simultaneous up and down and horizontal vibration of the electrical equipment.

[0034] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mechanical vibration table electrical test device, comprising a base plate (1), characterized in that: A lifting plate (3) is provided above the bottom plate (1), a plurality of elastic support components (2) are installed between the lifting plate (3) and the bottom plate (1), a top plate (4) is provided above the lifting plate (3), a horizontal swing component (5) is commonly connected to both sides of the lower surface of the top plate (4) and the upper surface of the lifting plate (3), mounting components (6) for mounting the electrical equipment to be tested are fixed to both sides of the upper surface of the top plate (4), a baffle (7) is fixed to the middle of the lower surface of the top plate (4), a horizontal support platform (8) is fixed to the middle of the upper surface of the bottom plate (1) via a vertical support rod, and a driving component (9) for driving the lifting plate (3) and the top plate (4) to vibrate is installed in the middle of the lifting plate (3).

2. A mechanical vibration table electrical test device according to claim 1, characterized in that: The elastic support assembly (2) comprises a vertical rod (21) fixed to the upper surface of the base plate (1); a vertical tube (22) is slidably sleeved on the top surface of the vertical rod (21); the top end of the vertical tube (22) is fixedly connected to the lower surface of the lifting plate (3); and a first spring (23) is fixedly connected to the inner top wall of the vertical tube (22) and the top end of the vertical rod (21).

3. The mechanical vibration table electrical test device according to claim 1, characterized in that: The mounting assembly (6) comprises a vertical plate (61) fixed to the upper surface of the top plate (4), a screw rod (62) passing through the middle of the vertical plate (61) and being threadedly connected, one end of the screw rod (62) close to the center of the top plate (4) is rotatably connected to a clamping plate (63) through a bearing, and a handle is fixed to the other end of the screw rod (62).

4. The mechanical vibration table electrical test device according to claim 1, characterized in that: The horizontal swing assembly (5) comprises two side plates (51) fixed to the upper surface of the lifting plate (3), a guide rod (52) is fixed between the two side plates (51), and the guide rod (52) is a square rod, a movable plate (53) is slidably sleeved on the surface of the guide rod (52), the top end of the movable plate (53) is fixedly connected to the top plate (4), and a second spring (54) is fixedly connected between the movable plate (53) and the side plates (51).

5. The mechanical vibration table electrical test device according to claim 1, characterized in that: The driving assembly (9) includes a motor (91) fixed to the lower surface of the lifting plate (3), a transverse shaft (92) being fixed to the driving end of the motor (91), and a first cam (93) being fixed to the other end of the transverse shaft (92), and the first cam (93) being located above the support platform (8).

6. The mechanical vibration table electrical test device according to claim 5, characterized in that: The driving assembly (9) further comprises a vertical shaft (95) vertically penetrating the lifting plate (3), and the vertical shaft (95) is rotatably connected to the lifting plate (3) via a bearing, a driven bevel gear (96) and a second cam (97) are fixed to the bottom and top ends of the vertical shaft (95), respectively, and a driving bevel gear (94) is fixedly connected to the middle portion of the horizontal shaft (92), and the driving bevel gear (94) is meshed with the driven bevel gear (96).

7. The mechanical vibration table electrical test device according to claim 5, characterized in that: A relief opening (31) is provided in the middle of the lifting plate (3) and above the first cam (93).

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