A three-dimensional vibration test platform and a working method thereof

Abstract

The present application relates to a kind of three-dimensional vibration test platform, including substrate and by sequentially being arranged on substrate from top to bottom longitudinal vibration mechanism, transverse vibration mechanism and vertical vibration mechanism;Vertical vibration mechanism includes guide shaft and vertical vibration platform, and vertical vibration platform is driven by vertical driving device;Transverse vibration mechanism includes transverse vibration platform, and transverse vibration platform is driven by transverse driving device and moves laterally;Longitudinal vibration mechanism includes longitudinal vibration platform, and longitudinal vibration platform is driven by longitudinal driving device and moves longitudinally.The present application is reasonable in design, simple in structure, convenient to use, three-dimensional vibration is realized by setting longitudinal vibration mechanism, transverse vibration mechanism and vertical vibration mechanism, the movement direction of vertical, transverse, longitudinal vibration platform is limited, the uniqueness of single vibration direction is guaranteed, low in cost, it is convenient to maintain, three directions various vibration environments are effectively simulated, so as to test the vibration performance of product or material.

Description

TECHNICAL FIELD

[0001] The present application relates to a three-direction vibration test platform and a working method thereof. BACKGROUND

[0002] The vibration test system can simulate the actual working condition of a product or a test piece, and is mainly used for reliability tests such as product vibration strength, impact environment test, and environmental stress screening test. The three-direction vibration test platform is a necessary supporting device for a three-direction vibration test of a vibration test system, and is a mechanical supporting device for transmitting vibration of a vibration table to a test piece. The three-direction vibration test platform is an important part of a complete vibration system.

[0003] In a conventional three-direction vibration device used for small tests, a motorized sliding table, a hydraulic drive device, and many electrical elements are often needed to realize three-direction vibration. The cost of components is generally high, and the cost of the three-direction vibration device is high for small laboratory teaching or experiments. To provide common three-direction vibration effects, a common cam structure or a crank slider mechanism can be used to realize three-direction vibration. Therefore, a three-direction vibration test platform is needed. SUMMARY

[0004] The present application improves the above problems. The technical problem to be solved by the present application is to provide a three-direction vibration test platform and a working method thereof. A simple and common low-cost structure is provided to realize three-direction linear reciprocating motion to provide three-direction vibration, and the uniqueness of a single vibration direction is ensured.

[0005] The present application is composed of a base plate, a longitudinal vibration mechanism, a transverse vibration mechanism, and a vertical vibration mechanism arranged on the base plate from top to bottom.

[0006] The vertical vibration mechanism includes a guide shaft and a vertical vibration table plate that can move up and down along the guide shaft. The vertical vibration table plate is driven by a vertical driving device.

[0007] The transverse vibration mechanism includes a transverse vibration table plate arranged above the vertical vibration table plate. A transverse sliding groove is arranged above the vertical vibration table plate. A transverse sliding rail is arranged below the transverse vibration table plate to cooperate with the transverse sliding groove. The transverse vibration table plate is driven by a transverse driving device to move transversely.

[0008] The longitudinal vibration mechanism includes a longitudinal vibration table plate arranged above the transverse vibration table plate. A longitudinal sliding groove is arranged above the transverse vibration table plate. A longitudinal sliding rail is arranged below the longitudinal vibration table plate to cooperate with the longitudinal sliding groove. The longitudinal vibration table plate is driven by a longitudinal driving device to move longitudinally.

[0009] Further, the vertical driving device comprises a roller seat arranged at the middle part below the vertical vibration platform, a roller is arranged inside the roller seat, an eccentric cam matched with the roller is arranged above the substrate, a bearing seat is arranged above the substrate, an eccentric shaft is arranged between the eccentric cam and the bearing seat, and the eccentric shaft is arranged eccentrically with the eccentric cam.

[0010] Further, the horizontal driving device comprises a cam telescopic assembly arranged at one side of the horizontal vibration platform, the cam telescopic assembly comprises a shell, U-shaped plates arranged at both sides inside the shell, and a cylindrical cam, the cylindrical cam is provided with an arc-shaped slot along the length direction thereof, the U-shaped plates are provided with connecting shafts at the front and back sides, the connecting shafts penetrate the U-shaped plates and the arc-shaped slot of the cylindrical cam, the side of the U-shaped plate away from the cylindrical cam is provided with a telescopic shaft extending out of the shell, the side of the cylindrical cam away from the U-shaped plate is provided with a cylindrical cam shaft extending out of the shell, a first vertical guide groove is arranged outside the horizontal vibration platform, the cylindrical cam shaft penetrates the first vertical guide groove, a positioning part is arranged at the end of the cylindrical cam shaft penetrating the first vertical guide groove, and the width of the positioning part is greater than the width of the first vertical guide groove.

[0011] Further, the longitudinal driving device comprises a crank slider mechanism arranged at one side of the longitudinal vibration platform, the crank slider mechanism comprises a crank and a connecting rod hinged at one end of the crank, a second vertical guide groove is arranged at the side of the longitudinal vibration platform, the other end of the connecting rod is connected with the second vertical guide groove through a sliding rod, and a crank shaft connecting hole is further arranged on the crank.

[0012] Further, a plurality of hinge points are arranged on the crank, one of the hinge points is hinged with one end of the connecting rod, and a crank bearing is arranged in the hinge point.

[0013] Further, an eccentric hole for the eccentric shaft to penetrate is arranged on the eccentric cam, the eccentric cam comprises an outer wheel and an inner sleeve arranged inside the outer wheel, a bearing is arranged between the outer wheel and the inner sleeve, the inner side of the outer wheel is connected with the outer ring of the bearing, the outer side of the inner sleeve is connected with the inner ring of the bearing, and bearing balls are arranged between the inner ring and the outer ring of the bearing.

[0014] Further, a plurality of fixing holes are circumferentially arranged on the outer wheel and the inner sleeve, the fixing holes of the outer wheel are aligned with the fixing holes of the inner sleeve and are fixed by penetrating with bolts.

[0015] Further, the gear wall is provided on the substrate side, the gear box is provided on one side of the gear wall, the motor is provided on the other side of the gear wall, the motor is installed on the substrate through the motor base, a plurality of gears are provided in the gear wall, a lower transmission shaft is provided in the middle of one of the gears, the lower transmission shaft is connected with the eccentric shaft of the vertical driving device through the electromagnetic clutch, a middle transmission shaft is provided in the middle of one of the gears, the middle transmission shaft is connected with the cylindrical cam shaft of the vertical driving device, an upper transmission shaft is provided in the middle of one of the gears, the upper transmission shaft is connected with the connecting hole of the crank shaft of the longitudinal driving device, the electromagnetic clutch is also provided on the middle and upper transmission shafts, and the output shaft of the motor is connected with the middle of one of the gears in the gear wall.

[0016] Further, a plurality of casters are arranged below the substrate.

[0017] Further, a working method of a three-way vibration test platform, the motor drives the upper, middle and lower transmission shafts to rotate through the gears in the gear box; the lower transmission shaft drives the vertical driving device to move, the eccentric cam of the vertical driving device rotates, and the vertical vibration platform starts to vibrate vertically along the guide shaft with the movement of the eccentric cam; the middle transmission shaft drives the cylindrical cam shaft of the horizontal vibration mechanism to rotate, thereby driving the cylindrical cam of the horizontal vibration mechanism to rotate, the U-shaped plate moves along the arc-shaped groove on the cylindrical cam through the connecting shaft, so that the expansion shaft moves left and right to pull the horizontal vibration platform to vibrate horizontally along the horizontal guide rail; the upper transmission shaft drives the crank of the longitudinal vibration mechanism to rotate, the crank slider mechanism of the longitudinal vibration mechanism drives the longitudinal vibration platform to vibrate longitudinally along the longitudinal guide rail, and finally three-way vibration is realized.

[0018] Compared with the prior art, the device has the following beneficial effects: the device has simple structure, reasonable design and convenient use, three-way vibration is realized through the longitudinal vibration mechanism, the horizontal vibration mechanism and the vertical vibration mechanism, the longitudinal vibration mechanism is realized through the rotation of the crank of the longitudinal vibration mechanism, the crank slider mechanism of the longitudinal vibration mechanism drives the longitudinal vibration platform to vibrate longitudinally along the longitudinal guide rail, the horizontal vibration mechanism is realized through the rotation of the cylindrical cam shaft, thereby driving the cylindrical cam of the horizontal vibration mechanism to rotate, the U-shaped plate moves along the arc-shaped groove on the cylindrical cam through the connecting shaft, so that the expansion shaft moves left and right to pull the horizontal vibration platform to vibrate horizontally along the horizontal guide rail; the vertical vibration mechanism is realized through the rotation of the eccentric cam of the vertical driving device, the position of the eccentric cam changes in height, and the vertical vibration platform starts to vibrate vertically along the guide shaft with the movement of the eccentric cam; the movement direction of the vibration platform is limited, the uniqueness of a single vibration direction is ensured, and the vibration amplitude can be appropriately adjusted, such as changing the eccentric distance of the eccentric cam, changing the position of the connecting rod of the crank slider mechanism, changing the rotation speed of the motor to adjust the vibration frequency, and the vibration form can be simply and quickly changed.

[0019] The device is provided with a longitudinal vibration mechanism, a transverse vibration mechanism and a vertical vibration mechanism as the main body, so that the test main body can vibrate in the vertical, transverse and longitudinal directions, three-direction vibration is realized, since there are electromagnetic clutches in the three directions, the vibration in each direction can be controlled independently, the amplitude and frequency of vibration can be adjusted, in addition, gears are used for transmission in each mechanism, which has the characteristics of high transmission precision, stable transmission, simple structure, low cost, simple use and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the embodiment of the present application;

[0021] Figure 2 It is a perspective view of the embodiment of the present application;

[0022] Figure 3 It is a partial schematic view of the embodiment of the present application;

[0023] Figure 4 It is a schematic view of the internal structure of the cam telescopic assembly of the embodiment of the present application;

[0024] Figure 5 It is a schematic view of the crank structure of the embodiment of the present application;

[0025] Figure 6 It is a schematic view of the eccentric cam structure of the embodiment of the present application;

[0026] Figure 7 It is a sectional view of the eccentric cam and the roller of the embodiment of the present application;

[0027] In the figure: 1 - base plate, 2 - longitudinal vibration mechanism, 201 - longitudinal vibration platform, 202 - longitudinal sliding groove, 203 - longitudinal sliding rail, 204 - connecting rod, 205 - second vertical guide groove, 206 - sliding rod, 207 - crankshaft connecting hole, 208 - hinge point, 209 - crank bearing, 210 - crank, 3 - transverse vibration mechanism, 301 - transverse vibration platform, 302 - transverse sliding groove, 303 - transverse sliding rail, 304 - U-shaped plate, 305 - cylindrical cam, 306 - arc-shaped groove, 307 - connecting shaft, 308 - telescopic shaft, 309 - cylindrical cam shaft, 310 - first vertical guide groove, 311 - housing, 4 - vertical vibration mechanism, 401 - guide shaft, 402 - vertical vibration platform, 403 - roller seat, 404 - roller, 405 - eccentric cam, 406 - bearing seat, 407 - eccentric shaft, 408 - eccentric hole, 409 - outer wheel, 410 - inner sleeve, 411 - bearing, 412 - bearing outer ring, 413 - bearing inner ring, 414 - bearing ball, 415 - fixing hole, 416 - linear bearing, 5 - gear wall, 6 - gear box, 7 - motor, 8 - motor seat, 9 - lower transmission shaft, 10 - electromagnetic clutch, 11 - middle transmission shaft, 12 - upper transmission shaft, 13 - caster. DETAILED DESCRIPTION

[0028] The application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0029] Embodiment: refer to the drawings Figures 1-7 As shown in the drawings, a three-way vibration test platform is provided, which comprises a base plate 1 and a longitudinal vibration mechanism 2, a transverse vibration mechanism 3 and a vertical vibration mechanism 4 arranged on the base plate in sequence from top to bottom;

[0030] The vertical vibration mechanism 4 comprises a guide shaft 401 and a vertical vibration platform 402 which can move up and down along the guide shaft, the vertical vibration platform is provided with a guide hole for the guide shaft, a linear bearing 416 is arranged between the vertical vibration platform and the guide shaft, and the vertical vibration platform is driven by a vertical driving device;

[0031] The transverse vibration mechanism 3 comprises a transverse vibration platform 301 arranged above the vertical vibration platform, a transverse sliding groove 302 is arranged above the vertical vibration platform, a transverse sliding rail 303 is arranged below the transverse vibration platform for cooperation with the transverse sliding groove, and the transverse vibration platform is driven to move transversely by a transverse driving device;

[0032] The longitudinal vibration mechanism 2 comprises a longitudinal vibration platform 201 arranged above the transverse vibration platform, a longitudinal sliding groove 202 is arranged above the transverse vibration platform, a longitudinal sliding rail 203 is arranged below the longitudinal vibration platform for cooperation with the longitudinal sliding groove, and the longitudinal vibration platform is driven to move longitudinally by a longitudinal driving device.

[0033] In the embodiment of the present application, the vertical driving device comprises a roller seat 403 arranged at the middle part below the vertical vibration platform, a roller 404 arranged inside the roller seat, an eccentric cam 405 arranged above the substrate and matched with the roller, a bearing seat 406 arranged above the substrate, and an eccentric shaft 407 arranged between the eccentric cam and the bearing seat.

[0034] In the embodiment of the present application, the horizontal driving device comprises a cam telescopic assembly arranged at one side of the horizontal vibration platform, the cam telescopic assembly comprising a shell 311, U-shaped plates 304 arranged at both sides inside the shell, and a cylindrical cam 305, the cylindrical cam being provided with an arc-shaped slot 306 along the length direction of the cylindrical cam, the U-shaped plates being provided with connecting shafts 307 at the front and back sides, the connecting shafts penetrating through the U-shaped plates and the arc-shaped slot of the cylindrical cam, the side of the U-shaped plates away from the cylindrical cam being provided with a telescopic shaft 308 extending out of the shell, the side of the cylindrical cam away from the U-shaped plates being provided with a cylindrical cam shaft 309 extending out of the shell, the outer side of the horizontal vibration platform being provided with a first vertical guide slot 310, the cylindrical cam shaft penetrating through the first vertical guide slot, the end of the cylindrical cam shaft penetrating through the first vertical guide slot being provided with a positioning part, the width of the positioning part being greater than the width of the first vertical guide slot to prevent the cylindrical cam shaft from coming out.

[0035] When the cylindrical cam rotates, the connecting shafts will move along the track of the arc-shaped slot due to the connection between the connecting shafts and the U-shaped plates, so as to make the telescopic shaft produce horizontal telescopic movement.

[0036] In the embodiment of the present application, the longitudinal driving device comprises a crank slider mechanism arranged at one side of the longitudinal vibration platform, the crank slider mechanism comprising a crank 210 and a connecting rod 204 hinged at one end of the crank, a second vertical guide slot 205 arranged at the side of the longitudinal vibration platform, the other end of the connecting rod being connected with the second vertical guide slot through a sliding rod 206, and a crank shaft connecting hole 207 arranged on the crank.

[0037] The crank is provided with a plurality of hinge points 208, one of which is hinged with the connecting rod, and the hinge points are provided with crank bearings 209; by changing the hinge point position of the connecting rod and the crank, the amplitude of the longitudinal vibration can be adjusted, so as to adjust the vibration form of the longitudinal vibration platform.

[0038] In the embodiment of the present application, the eccentric cam is provided with an eccentric hole 408 for the eccentric shaft, the eccentric cam comprises an outer wheel 409 and an inner sleeve 410 arranged inside the outer wheel, a through hole is arranged in the middle of the outer wheel for mounting the inner sleeve, in order to reduce the frictional force loss between the outer wheel and the inner sleeve, a bearing 411 is arranged between the outer wheel and the inner sleeve, the inner side of the outer wheel is connected with the outer ring 412 of the bearing, the outer side of the inner sleeve is connected with the inner ring 413 of the bearing, and the bearing balls 414 are arranged between the inner ring and the outer ring of the bearing.

[0039] The outer wheel and the inner sleeve are both circumferentially provided with a plurality of fixing holes 415, the fixing holes of the outer wheel are aligned with the fixing holes of the inner sleeve and are fixed by bolts.

[0040] In the embodiment of the present application, the gear wall 5 is arranged above one side of the base plate, the gear box 6 is arranged on one side of the gear wall, the motor 7 is arranged on the other side of the gear wall, the motor is mounted on the base plate through the motor base 8, a plurality of gears are arranged inside the gear wall and are meshed with each other, one of the gears is provided with a lower transmission shaft 9 in the middle, the lower transmission shaft is connected with the eccentric shaft of the vertical driving device through the electromagnetic clutch 10, one of the gears is provided with a middle transmission shaft 11 in the middle, the middle transmission shaft is connected with the cylindrical cam shaft of the vertical driving device, the other gear is provided with an upper transmission shaft 12 in the middle, the upper transmission shaft is connected with the connecting hole of the crank shaft of the longitudinal driving device, the electromagnetic clutch 10 is also arranged on the middle and upper transmission shafts, and the output shaft of the motor is connected with the middle of one of the gears inside the gear wall.

[0041] The electromagnetic clutch is a prior art.

[0042] In the embodiment of the present application, a plurality of casters 13 are arranged below the base plate.

[0043] In the embodiment of the present application, during operation: the motor drives the upper, middle and lower transmission shafts to rotate through the gears inside the gear box; the lower transmission shaft drives the vertical driving device to move, the eccentric cam of the vertical driving device rotates, and the vertical vibration table plate starts to vibrate vertically along the guide shaft with the movement of the eccentric cam; the middle transmission shaft drives the cylindrical cam shaft of the horizontal vibration mechanism to rotate, thereby driving the cylindrical cam of the horizontal vibration mechanism to rotate, the U-shaped plate moves along the arc-shaped groove on the cylindrical cam through the connecting shaft, so that the telescopic shaft moves left and right to pull the horizontal vibration table plate to vibrate horizontally along the horizontal guide rail; the upper transmission shaft drives the crank of the longitudinal vibration mechanism to rotate, the crank slider mechanism of the longitudinal vibration mechanism drives the longitudinal vibration table plate to vibrate longitudinally along the longitudinal guide rail, and finally three-way vibration is realized.

[0044] Any of the technical solutions of the present application disclosed above, if not otherwise stated, if it discloses a numerical range, the numerical range disclosed is a preferred numerical range, any person skilled in the art should understand that the preferred numerical range is only one of the many implementable numerical values with more obvious technical effects or representative values. Because there are many values, it is impossible to enumerate, so the present application discloses some values to illustrate the technical solutions of the present application, and the above-mentioned enumerated values should not constitute a limitation on the protection scope of the present application.

[0045] If the words "first", "second" and the like are used herein to limit parts, those skilled in the art should know that "first", "second" are used only for the convenience of describing the parts to be distinguished, and the above words have no special meaning unless otherwise stated.

[0046] At the same time, if the above-mentioned present application discloses or involves mutually fixed and connected parts or structural parts, unless otherwise stated, the fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), and can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutually fixed connection can also be replaced by an integral structure (for example, using casting process to make an integral shape) (obviously, except for the integral forming process).

[0047] In addition, the terms used to represent the position relationship or shape in any of the technical solutions disclosed above, unless otherwise stated, its meaning includes the approximate, similar or close state or shape.

[0048] Any of the components provided by the present application can be assembled from a plurality of individual components, or can be a single component manufactured by an integral forming process.

[0049] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application and not to limit it; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. A tri-axial vibration test platform, characterized by, The vertical vibration mechanism comprises a guide shaft and a vertical vibration platform plate which is movable up and down along the guide shaft, and the vertical vibration platform plate is driven by a vertical driving device; The vertical vibration mechanism comprises a guide shaft and a vertical vibration platform plate which is movable up and down along the guide shaft, and the vertical vibration platform plate is driven by a vertical driving device; The horizontal vibration mechanism comprises a horizontal vibration platform plate which is arranged above the vertical vibration platform plate, a horizontal sliding groove is arranged above the horizontal vibration platform plate, a horizontal sliding rail which is used to cooperate with the horizontal sliding groove is arranged below the horizontal vibration platform plate, and the horizontal vibration platform plate is driven by a horizontal driving device to move horizontally. The vertical vibration mechanism comprises a guide shaft and a vertical vibration platform plate which is movable up and down along the guide shaft, and the vertical vibration platform plate is driven by a vertical driving device; The vertical driving device comprises a roller seat which is arranged in the middle below the vertical vibration platform plate, a roller is arranged inside the roller seat, an eccentric cam which is used to cooperate with the roller is arranged above the substrate, a bearing seat is arranged above the substrate, an eccentric shaft is arranged between the eccentric cam and the bearing seat, and the eccentric shaft is arranged eccentrically with the eccentric cam. The horizontal driving device comprises a cam telescopic assembly which is arranged on one side of the horizontal vibration platform plate, the cam telescopic assembly comprises a shell, U-shaped plates which are arranged inside the shell on both sides, and a cylindrical cam, the cylindrical cam is provided with an arc-shaped groove along the length direction thereof, connecting shafts are arranged on the front and back of the U-shaped plates, the connecting shafts penetrate through the U-shaped plates and the arc-shaped groove of the cylindrical cam, a telescopic shaft which extends out of the shell is arranged on the side of the U-shaped plate which is away from the cylindrical cam, a cylindrical cam shaft which extends out of the shell is arranged on the side of the cylindrical cam which is away from the U-shaped plate, a first vertical guide groove is arranged outside the horizontal vibration platform plate, the cylindrical cam shaft penetrates through the first vertical guide groove, a positioning portion is arranged on the end of the cylindrical cam shaft which penetrates through the first vertical guide groove, and the width of the positioning portion is greater than the width of the first vertical guide groove. The vertical driving device comprises a crank slider mechanism which is arranged on one side of the vertical vibration platform plate, the crank slider mechanism comprises a crank and a connecting rod which is hinged on one end of the crank, a second vertical guide groove is arranged beside the vertical vibration platform plate, the other end of the connecting rod is connected with the second vertical guide groove through a sliding rod, and a crank shaft connecting hole is further arranged on the crank.

2. The three-axis vibration test platform of claim 1, wherein, A plurality of hinge points are arranged on the crank, one of the hinge points is hinged with one end of the connecting rod, and a crank bearing is arranged inside the hinge point.

3. The three-axis vibration test platform of claim 1, wherein, An eccentric hole which is used to penetrate the eccentric shaft is arranged on the eccentric cam, the eccentric cam comprises an outer wheel and an inner sleeve which is arranged inside the outer wheel, a bearing is arranged between the outer wheel and the inner sleeve, the inner side of the outer wheel is connected with the outer ring of the bearing, the outer side of the inner sleeve is connected with the inner ring of the bearing, and bearing balls are arranged between the inner ring and the outer ring of the bearing.

4. The three-axis vibration test platform of claim 3, wherein, A plurality of fixing holes are annularly arranged on the outer wheel and the inner sleeve, the fixing holes of the outer wheel are aligned with the fixing holes of the inner sleeve, and the fixing holes are fixed by penetrating with bolts.

5. The three-axis vibration test platform of claim 1, wherein, The gear wall is provided with a gear box on one side and a motor on the other side, the motor is installed on the base plate through a motor base, a plurality of gears are arranged in the gear wall, one of the gears is provided with a lower transmission shaft in the middle, the lower transmission shaft is connected with an eccentric shaft of the vertical driving device through an electromagnetic clutch, a middle transmission shaft is arranged in the middle of another gear, the middle transmission shaft is connected with a cylindrical cam shaft of the vertical driving device, an upper transmission shaft is arranged in the middle of another gear, the upper transmission shaft is connected with a connecting hole of a crank shaft of the longitudinal driving device, electromagnetic clutches are arranged on the middle and upper transmission shafts, and an output shaft of the motor is connected with the middle of one of the gears in the gear wall.

6. The three-axis vibration test platform of claim 1, wherein, A plurality of casters are arranged below the base plate.

7. A method of operating a three-axis vibration test platform as claimed in claim 5, wherein, The motor drives the upper, middle and lower transmission shafts to rotate through the gears in the gear box, the lower transmission shaft drives the vertical driving device to move, the eccentric cam of the vertical driving device rotates, the vertical vibration table plate starts to vertically vibrate along the guide shaft with the movement of the eccentric cam, the middle transmission shaft drives the cylindrical cam shaft of the horizontal vibration mechanism to rotate, thereby driving the cylindrical cam of the horizontal vibration mechanism to rotate, the U-shaped plate moves along the arc-shaped groove on the cylindrical cam through the connecting shaft, the telescopic shaft moves left and right to pull the horizontal vibration table plate to horizontally vibrate along the horizontal guide rail, the upper transmission shaft drives the crank of the longitudinal vibration mechanism to rotate, the crank slider mechanism of the longitudinal vibration mechanism drives the longitudinal vibration table plate to longitudinally vibrate along the longitudinal guide rail, and finally three-way vibration is realized.

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