Vibration testing machine with adjustable vibration amplitude

Abstract

The utility model discloses a vibration testing machine with adjustable amplitude, which relates to the technical field of vibration testing machines and comprises a base, an adjusting assembly is arranged in the base, and a vibration assembly is arranged at the top of the adjusting assembly. The adjusting assembly comprises an adjusting disc, the adjusting disc is installed on one side of the base, and one end of the adjusting disc is fixedly connected with a coupler. According to the vibration testing machine with the adjustable vibration amplitude, the adjusting disc can drive the coupler to rotate, the coupler can drive the transmission gear to rotate, the transmission gear can drive the lead screw to rotate in the special-shaped rack, and the special-shaped rack can drive the driving gear to rotate; a driving gear can drive a connecting rod mechanism to support a placing plate, the placing plate can drive a first rotating disc to move in height, a protruding block on the first rotating disc protrudes in height, and when a sliding rod moves, the adjusting vibration frequency of a vibration disc can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration testing machine technical field, concretely is a vibration testing machine of adjustable amplitude of vibration. BACKGROUND

[0002] The vibration testing machine is a kind of equipment for simulating the various vibration environments encountered by product in transportation, installation and use process, is widely used in many fields such as electronics, automobile, aerospace, it generates vibration by mechanical or electromagnetic etc., can accurately control the frequency, amplitude, acceleration and other parameters of vibration, to simulate the vibration condition under different working conditions, for example, the jolt vibration when simulating automobile driving, the reliability and durability of automobile parts are tested;It can also simulate the vibration impact of electronic products in the transportation process, to find out the potential design defects or structural weaknesses of product in advance, the equipment has multiple vibration waveforms, such as sine wave, random wave, can satisfy the diversified testing needs.Meanwhile, its operation interface is friendly, easy to set and monitor test parameters, also equipped with perfect safety protection device, ensures that the test process is safe and reliable, provides strong support for product quality improvement and research and development optimization.

[0003] The vibration testing machine in prior art is used, and the early vibration testing machine can use relatively simple vibration generation technology, such as mechanical vibration generator, these technologies are difficult to realize the accurate adjustment of vibration parameters, or the adjustment range is limited, cannot satisfy the diversified vibration needs, therefore, we need a vibration testing machine of adjustable amplitude of vibration. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a vibration testing machine of adjustable amplitude of vibration to solve the existing problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a vibration testing machine of adjustable amplitude of vibration, including base, the inside of base is provided with adjusting assembly, the top of adjusting assembly is provided with vibration assembly;The adjusting assembly includes adjusting disc, and adjusting disc is installed at one side of base, one end of adjusting disc is fixedly connected with shaft coupling, the outer wall of shaft coupling is engagedly connected with transmission gear, the inside of transmission gear is fixedly connected with lead screw, the outer wall of lead screw is threadedly connected with profiled rack, the outer wall of profiled rack is engagedly connected with driving gear, the side of driving gear is provided with connecting rod mechanism, and the top of connecting rod mechanism is provided with placing plate.

[0006] Preferably, the adjusting disc is connected with the transmission gear through the shaft coupling to form a rotating structure, and one end of the shaft coupling is connected with the adjusting disc and the transmission gear.

[0007] Preferably, the shaft coupling and the profiled rack constitute a screw telescopic structure through a lead screw, and the outer wall of the lead screw is connected with the inner wall of the profiled rack.

[0008] Preferably, the base and the placing plate constitute a telescopic structure through a connecting rod mechanism, and the number of the connecting rod mechanisms is two, and the two connecting rod mechanisms are symmetrically arranged with the median line of the base as the axis of symmetry.

[0009] Preferably, the vibration assembly comprises a motor, the output shaft of the motor is fixedly connected with a first belt pulley, the outer wall of the first belt pulley is sleeved with a connecting belt, the outer wall of the connecting belt is sleeved with a second belt pulley, the inside of the second belt pulley is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is provided with a first rotating disc, the top of the first rotating disc is fixedly connected with a protruding block, the outer wall of the rotating shaft is fixedly connected with a second rotating disc, the top of the base is fixedly connected with a spring, the top of the spring is fixedly connected with a vibrating disc, and the bottom of the vibrating disc is fixedly connected with a sliding rod.

[0010] Preferably, the vibrating disc and the protruding block constitute a movable structure through the sliding rod, and the bottom of the sliding rod is attached to the surface of the protruding block.

[0011] Preferably, the base and the vibrating disc constitute a vibration structure through the spring, and the spring is arranged between the base and the vibrating disc.

[0012] Compared with the prior art, the utility model has the advantages that the vibration testing machine with adjustable amplitude,

[0013] (1) through the adjusting disc, the adjusting disc can drive the shaft coupling to rotate, the shaft coupling can drive the transmission gear to rotate, the transmission gear can drive the lead screw to rotate in the profiled rack, the profiled rack can drive the driving gear to rotate, the driving gear can drive the connecting rod mechanism to support the placing plate, the placing plate can drive the first rotating disc to move in height, the protruding block on the first rotating disc can protrude in height, and when the sliding rod moves, the vibration frequency of the vibrating disc can be adjusted.

[0014] (2) through the starting motor, the motor can drive the first belt pulley to rotate, the first belt pulley can drive the second belt pulley to rotate through the connecting belt, the second belt pulley can drive the rotating shaft to rotate, the rotating shaft can drive the first rotating disc and the second rotating disc to rotate, when rotating, the protruding block can move from the bottom of the sliding rod, and then the vibrating disc can vibrate through the spring. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the main body structure of the utility model;

[0016] Figure 2 It is the structure schematic view of the second rotating disc and the convex block of the utility model;

[0017] Figure 3 It is the structure schematic view of the adjusting assembly of the utility model;

[0018] Figure 4 It is the structure schematic view of the vibration assembly of the utility model.

[0019] In the drawing: 1, base; 2, adjusting assembly; 201, adjusting disc; 202, shaft coupling; 203, transmission gear; 204, screw rod; 205, profiled rack; 206, driving gear; 207, connecting rod mechanism; 208, placing plate; 3, vibration assembly; 301, motor; 302, first belt pulley; 303, connecting belt; 304, second belt pulley; 305, rotating shaft; 306, first rotating disc; 307, convex block; 308, second rotating disc; 309, slide rod; 310, vibrating disc; 311, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] The utility model embodiment provides a kind of vibration testing machine with adjustable amplitude, such as Figure 1 、 Figure 2 、 Figure 3 And Figure 4As shown, including the base 1, the inside of base 1 is provided with adjusting assembly 2, the top of adjusting assembly 2 is provided with vibration assembly 3, adjusting assembly 2 includes adjusting disc 201, and adjusting disc 201 is installed on one side of base 1, one end of adjusting disc 201 is fixedly connected with shaft coupling 202, the outer wall of shaft coupling 202 is engagedly connected with transmission gear 203, adjusting disc 201 and transmission gear 203 form a rotating structure through shaft coupling 202, one end of shaft coupling 202 is connected with adjusting disc 201, and one end of shaft coupling 202 is connected with transmission gear 203, thereby enhancing the connecting effect of shaft coupling 202 and transmission gear 203, so that adjusting disc 201 can drive shaft coupling 202 to rotate in turn, transmission gear 203 is fixedly connected with lead screw 204 in the inside, the outer wall of lead screw 204 is threadedly connected with profiled rack 205, shaft coupling 202 and profiled rack 205 form a screw telescopic structure through lead screw 204, the outer wall of lead screw 204 is connected with the inner wall of profiled rack 205, thereby enhancing the connecting effect of shaft coupling 202 and lead screw 204, so that shaft coupling 202 can drive lead screw 204 to rotate in profiled rack 205, the outer wall of profiled rack 205 is engagedly connected with driving gear 206, one side of driving gear 206 is provided with connecting rod mechanism 207, the top of connecting rod mechanism 207 is provided with placing plate 208, base 1 and placing plate 208 form a telescopic structure through connecting rod mechanism 207, the number of connecting rod mechanism 207 is two, and the two connecting rod mechanisms 207 are symmetrically arranged with the vertical line of base 1 as the axis of symmetry, thereby enhancing the connecting effect of connecting rod mechanism 207 and placing plate 208, so that connecting rod mechanism 207 can drive placing plate 208 to expand and contract under the support of base 1, through adjusting disc 201, adjusting disc 201 can drive shaft coupling 202 to rotate, shaft coupling 202 can drive transmission gear 203 to rotate, transmission gear 203 can drive lead screw 204 to rotate in profiled rack 205, profiled rack 205 can drive driving gear 206 to rotate, driving gear 206 can drive connecting rod mechanism 207 to support placing plate 208, placing plate 208 can drive first rotating disc 306 to move in height, the protrusion 307 on first rotating disc 306 can protrude in height, and when the slide rod 309 moves, the vibration disc 310 can improve the adjustment frequency.

[0022] In the further preferred embodiment of the utility model, Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the vibration assembly 3 comprises a motor 301, the output shaft of the motor 301 is fixedly connected with a first pulley 302, the outer wall of the first pulley 302 is sleeved with a connecting belt 303, the outer wall of the connecting belt 303 is sleeved with a second pulley 304, the inside of the second pulley 304 is fixedly connected with a rotating shaft 305, the outer wall of the rotating shaft 305 is provided with a first rotating disc 306, the top of the first rotating disc 306 is fixedly connected with a protruding block 307, the vibration disc 310 and the protruding block 307 form a movable structure through a sliding rod 309, and the bottom of the sliding rod 309 is surface-adhered with the protruding block 307, thereby enhancing the connection effect of the vibration disc 310 and the sliding rod 309, so that the vibration disc 310 can move on the protruding block 307 through the sliding rod 309, and the vibration disc 310 can be vibrated, the outer wall of the rotating shaft 305 is fixedly connected with a second rotating disc 308, the top of the base 1 is fixedly connected with a spring 311, the top of the spring 311 is fixedly connected with the vibration disc 310, the bottom of the vibration disc 310 is fixedly connected with the sliding rod 309, the base 1 and the vibration disc 310 form a vibration structure through the spring 311, and the spring 311 is arranged between the base 1 and the vibration disc 310, thereby enhancing the connection effect of the base 1 and the spring 311, so that the base 1 can support and buffer the vibration disc 310 through the spring 311, the motor 301 can drive the first pulley 302 to rotate, the first pulley 302 can drive the second pulley 304 to rotate through the connecting belt 303, the second pulley 304 can drive the rotating shaft 305 to rotate, the rotating shaft 305 can drive the first rotating disc 306 and the second rotating disc 308 to rotate, and when rotating, the protruding block 307 can move from the bottom of the sliding rod 309, and the vibration disc 310 can vibrate through the spring 311.

[0023] Working principle: in use, can be through the starting motor 301, can make motor 301 can drive the first pulley 302 rotation, can make the first pulley 302 can rely on the connecting belt 303 drive the second pulley 304 rotation, can make the second pulley 304 can drive the shaft 305 rotation, can make the shaft 305 can drive the first rotating disc 306 and the second rotating disc 308 rotation, and in rotation, can make the lug 307 can be moved from the bottom of the slide rod 309, in turn, can make the vibration disc 310 can rely on the spring 311 vibration, in addition, by adjusting the disc 201, can make the adjusting disc 201 can drive the coupling 202 rotation, can make the coupling 202 can drive the transmission gear 203 rotation, can make the transmission gear 203 can drive the lead screw 204 in the profiled rack 205 rotation, can make the profiled rack 205 can drive the drive gear 206 rotation, can make the drive gear 206 can drive the connecting rod mechanism 207 to support the placement plate 208, and can make the placement plate 208 can drive the first rotating disc 306 height movement, can make the lug 307 on the first rotating disc 306 height protrusion, and can make the slide rod 309 in movement, can improve the vibration disc 310 vibration frequency adjustment.

[0024] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Therefore, the present application should not be considered as being limited to the above described embodiments, but rather should be defined in the scope of the appended claims, and all changes and modifications that come within the meaning and range of equivalents of the claims are therefore intended to be embraced by the present application. No reference signs in the claims should be considered to place any limit on the scope of the claims.

Claims

1. A vibration testing machine with adjustable amplitude, comprising a base (1), characterized in that: The inside of the base (1) is provided with an adjusting assembly (2), and the top of the adjusting assembly (2) is provided with a vibration assembly (3); The adjusting assembly (2) comprises an adjusting disc (201), which is installed on one side of the base (1), one end of the adjusting disc (201) is fixedly connected with a shaft coupling (202), the outer wall of the shaft coupling (202) is engagedly connected with a transmission gear (203), the inside of the transmission gear (203) is fixedly connected with a lead screw (204), the outer wall of the lead screw (204) is threadedly connected with a special-shaped rack (205), the outer wall of the special-shaped rack (205) is engagedly connected with a drive gear (206), one side of the drive gear (206) is provided with a connecting rod mechanism (207), and the top of the connecting rod mechanism (207) is provided with a placing plate (208).

2. The vibration testing machine of claim 1, wherein: The adjusting disc (201) is rotatably connected with the transmission gear (203) through the shaft coupling (202), one end of the shaft coupling (202) is connected with the adjusting disc (201), and the other end of the shaft coupling (202) is connected with the transmission gear (203).

3. The vibration testing machine of claim 1, wherein: The shaft coupling (202) is telescopically connected with the special-shaped rack (205) through the lead screw (204), and the outer wall of the lead screw (204) is connected with the inner wall of the special-shaped rack (205).

4. The vibration testing machine of claim 1, wherein: The base (1) is telescopically connected with the placing plate (208) through the connecting rod mechanism (207), the number of the connecting rod mechanism (207) is two, and the two connecting rod mechanisms (207) are symmetrically arranged with the vertical line of the base (1) as the axis of symmetry.

5. The vibration testing machine of claim 1, wherein: The vibration assembly (3) comprises a motor (301), the output shaft of the motor (301) is fixedly connected with a first belt pulley (302), the outer wall of the first belt pulley (302) is sleeved with a connecting belt (303), the outer wall of the connecting belt (303) is sleeved with a second belt pulley (304), the inside of the second belt pulley (304) is fixedly connected with a rotating shaft (305), the outer wall of the rotating shaft (305) is provided with a first rotating disc (306), the top of the first rotating disc (306) is fixedly connected with a protruding block (307), the outer wall of the rotating shaft (305) is fixedly connected with a second rotating disc (308), the top of the base (1) is fixedly connected with a spring (311), the top of the spring (311) is fixedly connected with a vibrating disc (310), and the bottom of the vibrating disc (310) is fixedly connected with a sliding rod (309).

6. The vibration testing machine of claim 5, wherein: The vibrating disc (310) is movably connected with the protruding block (307) through the sliding rod (309), and the bottom of the sliding rod (309) is arranged in surface contact with the protruding block (307).

7. The vibration testing machine of claim 5, wherein: The base (1) is vibrated with the vibrating disc (310) through the spring (311), and the spring (311) is arranged between the base (1) and the vibrating disc (310).

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