Multi-table horizontal vibration table

Abstract

This invention relates to a multi-platform horizontal vibration table, comprising: a base; a vibration table rotatably mounted on top of the base; a guide rail assembly including a carrier plate fixedly mounted on the base, guide rails parallel to each other and disposed opposite to each other on top of the carrier plate, and a sliding plate slidably mounted on the guide rails; and a platform detachably mounted on top of the sliding plate and connected to the vibration table. The horizontal vibration table of this invention adopts a modular platform design, with both the large and small horizontal platform surfaces detachably connected to the vibration table via connectors and supported on the base by the guide rail assembly. When the platform needs to be replaced, only the corresponding connecting screws need to be removed, the original platform removed, and the new platform placed to complete the switch, eliminating the need to flip the vibration table, greatly simplifying the replacement process and improving testing efficiency; moreover, the equipment has a compact structure, occupies a small area, and improves the utilization rate of laboratory space.

Description

Technical Field

[0001] This invention belongs to the field of mechanical testing technology, specifically relating to a multi-faceted horizontal vibration table. Background Technology

[0002] In the field of vibration testing, due to the varying sizes and specifications of the workpieces being tested, horizontal vibration tables often require different sized platforms to meet testing needs. Currently, there are two common dual-platform solutions: one involves placing two platforms, one on the left and one on the right, and connecting to different platforms by flipping the vertical vibration table left or right. This solution not only requires a large footprint but also involves a cumbersome and complex flipping process, making operation inconvenient and impacting testing efficiency. The other solution involves nesting a smaller platform within a larger one. However, because the larger platform needs to make way for the nested structure, a spliced ​​structure is often used, resulting in a significant decrease in the overall stiffness and dynamic performance indicators of the platform (such as flatness and lateral vibration ratio), making it difficult to guarantee high-precision testing requirements. Summary of the Invention

[0003] This invention provides a multi-platform horizontal vibration table, which solves the problems of cumbersome switching of existing dual-platform structures, large footprint, and insufficient precision in splicing the platforms.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is: a multi-faceted horizontal vibration table, comprising: Base; A vibration table, which is rotatably mounted on top of the machine base; The guide rail assembly includes a carrier plate fixedly mounted on the base, guide rails arranged opposite each other on the top of the carrier plate and parallel to each other, and a slide plate slidably mounted on the guide rails. The guide rails can move synchronously towards or away from each other. The guide rail includes a guide rail body, abutment surfaces formed on both sides of the guide rail body and arranged at an incline, a roller rotatably mounted on the bottom of the slide plate, and abutment grooves formed on the outer periphery of the rollers and cooperating with the abutment surfaces. A platform, which is detachably mounted on top of the slide plate and connected to the vibration table; A top support assembly is mounted on the carrier plate and located between the guide rails to support the platform. The top support assembly includes a limiting hole penetrating the carrier plate, a limiting post that is height-adjustably inserted into the limiting hole, a first ball groove formed on the top of the limiting post, an outer rolling ball that is rotatably installed in the first ball groove, a cover plate fixed to the top of the limiting post, and a limiting groove penetrating the cover plate and used to limit the outer rolling ball. The outer rolling ball abuts against the platform. A pressing assembly, mounted on the platform, for releasably securing the product to be tested on the platform.

[0005] Optimally, the guide rail assembly further includes a mounting plate fixed to the top of the carrier plate and disposed opposite to it, guide posts fixed between the mounting plates and disposed parallel to each other, a guide sleeve fixed to the bottom of the guide rail, and a guide hole penetrating the guide sleeve and slidingly engaging with the guide post.

[0006] Optimally, the guide rail assembly further includes a first lead screw and a second lead screw rotatably mounted on opposite sides of the mounting plate and coaxially arranged, a lead screw nut fixed to the bottom of the guide rail and cooperating with the first lead screw and the second lead screw, a connecting sleeve connecting the first lead screw and the second lead screw, and a drive mechanism fixed to one side of the mounting plate and connected to the first lead screw, wherein the threads of the first lead screw and the second lead screw have opposite directions.

[0007] Optimally, the top support assembly further includes an adjustment groove formed at the bottom of the limiting post, an adjustment bolt screwed into the adjustment groove and abutting against the machine base, a second ball groove circumferentially disposed within the first ball groove, and an inner rolling ball rotatably mounted within the second ball groove, the inner rolling ball abutting against the bottom of the outer rolling ball, and the diameter of the inner rolling ball being smaller than the diameter of the outer rolling ball.

[0008] Optimally, the pressing assembly includes a support plate fixed to the top of the platform, a first locking hole penetrating the support plate, a pressing screw screw screwed into the first locking hole, a pressure plate sleeved on the pressing screw screw, a through hole penetrating the pressure plate for the pressing screw screw to pass through, and a pressing nut screwed on the pressing screw screw, the pressing nut abutting against the upper surface of the pressure plate, and the diameter of the through hole being larger than the outer diameter of the pressing screw screw.

[0009] Optimally, the pressing assembly further includes an abutment groove formed at the bottom of the pressure plate, a second locking hole penetrating the support plate, a support screw screwed into the second locking hole, an abutment fixed to the top of the support screw and abutting against the abutment groove, and an adjusting nut fixed to the support screw. The adjusting nut abuts against the lower surface of the pressure plate, and the abutment groove is concentrically arranged with the through hole.

[0010] Optimally, the pressing assembly further includes a locking nut screwed onto the pressing screw and abutting against the support plate, and a spring sleeved on the pressing screw, with both ends of the spring abutting between the pressure plate and the locking nut respectively.

[0011] Optimally, it also includes a connector fixed to one side of the vibration table, a receiving groove formed on one side of the connector for supporting the table plate, a locking hole inclinedly formed on one side of the connector, and a threaded hole penetrating the table plate and cooperating with the locking hole.

[0012] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: This invention's horizontal vibration table adopts a modular table design. Both the large and small horizontal tabletops are detachably connected to the vibration table via connectors and supported on the base by guide rail assemblies. When the tabletop needs to be replaced, simply remove the corresponding connecting screws, take off the original tabletop, and place the new tabletop to complete the switch. There is no need to flip the vibration table, greatly simplifying the replacement process and improving testing efficiency. Moreover, the equipment has a compact structure and a small footprint, improving the utilization of laboratory space. Furthermore, compared with modular tabletops, each size of tabletop in this invention is an independent, integral structure, without sacrificing structural integrity for nesting or splicing, thus meeting the requirements of high-precision vibration testing. The top support assembly is used to assist in supporting the upper platform, counteracting the downward indentation deformation caused by pressure on the platform, and ensuring that the platform remains in a horizontal state at all times; the pressing assembly presses the product to be tested onto the platform, preventing the product from shifting position during the testing process. Attached Figure Description

[0013] Figure 1 This is the front view of the present invention; Figure 2 This is a top view of the present invention; Figure 3 This is a simplified schematic diagram of a portion of the structure of the present invention after the platform is removed; Figure 4 This is a schematic diagram of the structure of the support component of the present invention; Figure 5 This is a cross-sectional view of the top support component of the present invention; Figure 6 This is a partial cross-sectional view of the top support component of the present invention; Figure 7 This is a front view of the guide rail body and the roller of the present invention; Figure 8 This is a schematic diagram of the pressing assembly of the present invention; Figure 9 This is a cross-sectional view of the pressing assembly of the present invention; Figure 10 For the present invention Figure 1 Enlarged view of point A in the middle; Explanation of reference numerals in the attached figures: 1. Base; 2. Wall panel; 3. Vibration table; 4. Fixing plate; 5. Vertical plate; 6. Carrier plate; 7. Mounting plate; 8. Guide post; 9. Guide sleeve; 10. Limiting hole; 11. Limiting post; 12. Adjusting groove; 13. Adjusting bolt; 14. First ball groove; 15. Outer ball; 16. Second ball groove; 17. Inner ball; 18. Cover plate; 19. Limiting groove; 20. Servo motor; 21. Guide rail body; 22. Lead screw nut; 23. First lead screw; 24. Second lead screw; 25. Connecting sleeve; 26. First 27. Second abutment part; 28. Slide plate; 29. ​​Connecting shaft; 30. Roller; 31. Abutment groove; 32. Platform; 33. Connector; 34. Receiving groove; 35. Locking hole; 36. Threaded hole; 37. Support plate; 38. First locking hole; 39. Second locking hole; 40. Pressing screw; 41. Locking nut; 42. Spring; 43. Pressure plate; 44. Through hole; 45. Pressing nut; 46. Support screw; 47. Abutment groove; 48. Adjusting nut; 49. Trunnion; 50. Abutment head. Detailed Implementation

[0014] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0015] like Figure 1 , 2 The diagram shows the front and top views of the horizontal vibration table of this invention, commonly used in the field of mechanical testing to simulate horizontal vibration environments. It includes a base 1, a vibration table 3, a guide rail assembly, a platform 32, a top support assembly, a pressing assembly, and a connecting assembly. The base 1 is welded from aluminum profiles. Two wall plates 2 are fixedly mounted on the top of the base 1 by bolts, and the two wall plates 2 are parallel and spaced apart. The vibration table 3 is mounted between the two wall plates 2 via trunnions. The vibration table 3 drives the platform 32 to vibrate horizontally to simulate a horizontal vibration environment.

[0016] like Figure 2 As shown, the horizontal vibration direction is defined as the X-axis direction, and the horizontal direction perpendicular to the X-axis is defined as the Y-axis direction. Figure 2 The left-right direction is the X-axis direction, and the front-back direction is the Y-axis direction. The two wall panels 2 are arranged opposite each other along the Y-axis direction, that is, the two wall panels 2 are located at the front and rear sides of the vibration table, respectively. The trunnion is arranged along the Y-axis direction, and its two ends are rotatably supported on the two wall panels 2.

[0017] The vibration table 1 is rotatably supported between two wall plates 2 via trunnions 49, rather than being fixedly connected, thus decoupling the motion of the vibration table housing and the base 1 in the pitch direction (around the Y-axis). When the vibration table 3 drives the large-mass platform 32 for horizontal vibration, the overturning moment generated by the eccentricity of the specimen is transmitted through the platform 32 to the lower guide rail and the base 1, while the vibration table 3 only needs to output thrust in the X-direction. Its internal structure eliminates the effect of harmful bending moments, significantly improving the reliability and service life of the equipment. At the same time, this structure also allows the vibration table to be rotated around the trunnions, facilitating the quick replacement of the platform 32 and the maintenance of the equipment.

[0018] like Figure 3 As shown, the guide rail assembly includes a fixed plate 4, a vertical plate 5, a carrier plate 6, a mounting plate 7, guide posts 8, guide sleeves 9, a servo motor 20, a guide rail, a lead screw nut 22, a first lead screw 23, a second lead screw 24, a connecting sleeve 25, and a sliding plate 28. The fixed plate 4 is fixed to the upper surface of the machine base 1 by bolts and is located on one side of the two wall panels 2. The vertical plates 5 are vertically fixed to the top of the fixed plate 4 by welding. There are at least four vertical plates 5, arranged in pairs opposite each other, to support the carrier plate 6 on them (the number of vertical plates 5 can be adjusted appropriately according to the size of the worktable of the fixed plate 4, as long as it provides fixed support for the carrier plate 6). Figure 3 As shown, the carrier plate 6 and the fixed plate 4 are connected by the upright plate 5, so there is a gap between the carrier plate 6 and the fixed plate 4 to facilitate the subsequent installation of the top support assembly.

[0019] There are two mounting plates 7, which are vertically fixed to the upper surface of the carrier plate 6 by welding. The two mounting plates 7 are arranged parallel to each other. There are at least two guide posts 8, which are fixed between the two mounting plates 7 and spaced apart. The two guide posts 8 are parallel to each other. There is one set of two guide rails. Each guide rail has two guide sleeves 9 fixed at its bottom. The guide holes pass through the guide sleeves 9 in the horizontal direction and cooperate with the guide posts 8. Therefore, the guide sleeves 9 fixed at the bottom of the guide rail fit onto the guide posts 8. By setting the mutually cooperating guide sleeves 9 and guide posts 8, the stability of the movement of the two guide rails is improved (the two guide rails move synchronously towards or away from each other, thereby meeting the fixed installation of platform 32 of different sizes and improving the versatility of the equipment).

[0020] like Figure 7 As shown, the guide rail includes a guide rail body 21, abutment surfaces, a connecting shaft 29, a roller 30, and abutment groove 31. The guide sleeve 9 is fixed to the bottom of the guide rail body 21 by screws. Abutment surfaces are formed on both sides of the guide rail body 21. The abutment surfaces include a first abutment portion 26 and a second abutment portion 27. The first abutment portion 26 and the second abutment portion 27 are inclined and in a "V" shape, which cooperates with the subsequent roller 30.

[0021] The connecting shaft 29 is fixed vertically to the bottom of the slide plate 28, and the roller 30 is rotatably mounted on the bottom of the connecting shaft 29 (specifically, the roller 30 is mounted on the connecting shaft 29 via bearings). The abutment groove 31 is formed on the outer periphery of the roller 30 and cooperates with the abutment surfaces on both sides of the guide rail body 21. When the slide plate 28 moves back and forth, it will drive the roller 30 to roll along the length of the guide rail body 21.

[0022] The platform 32 is fixed to the top of the slide plate 28 and connected to the vibration table 3. The vibration table 3 drives the platform 32 to reciprocate in the horizontal direction, thereby conducting a horizontal mechanical simulation test. When the vibration table 3 drives the platform 32 to move reciprocally in the horizontal direction, the rollers 30 under the slide plate 28 will roll along the length of the guide rail. The coefficient of friction of rolling friction is small, and the reciprocating operation is smooth, which can realize the high-precision operation of the platform 32. At the same time, the roller guide rail combination has stronger impact and vibration resistance, lower sensitivity to dust, and is easier to clean.

[0023] like Figure 7 As shown, the abutment groove 31 on the outer side of the roller 30 matches the abutment surfaces on both sides of the guide rail (V-shaped fit). When the vibration table 3 drives the platform 32 to move back and forth, the V-shaped structure can prevent the slide plate 28 and the platform 32 from moving vertically, ensuring that the platform 32 always maintains horizontal vibration and improving the accuracy of the test results.

[0024] The first lead screw 23 and the second lead screw 24 are rotatably mounted on opposite sides of the two mounting plates 7 via bearings, and the first lead screw 23 and the second lead screw 24 are coaxially arranged. The servo motor 20 is fixed to the outside of one of the mounting plates 7, and the output end of the servo motor 20 is connected to the first lead screw 23 (the servo motor 20 can also be mounted on the outside of the other mounting plate 7 and connected to the second lead screw 24; either of the two drive connection methods can be selected).

[0025] The connecting sleeve 25 is used to connect the first lead screw 23 and the second lead screw 24. There are two lead screw nuts 22, which are respectively fitted onto the first lead screw 23 and the second lead screw 24, and are respectively fixed to the bottom of the guide rail. The threads of the first lead screw 23 and the second lead screw 24 have opposite directions of rotation. Therefore, when the servo motor 20 drives the first lead screw 23 to rotate, it will drive the second lead screw 24 to rotate synchronously. At this time, the two guide rails will move inward or outward synchronously. By adjusting the distance between the two guide rails, the fixed installation of platform 32 of different sizes can be accommodated, improving the versatility of the equipment.

[0026] By setting the first lead screw 23 and the second lead screw 24 with opposite screw directions, the synchronous movement of the two guide rails is achieved, ensuring that the top support assembly is always located at the center of the two guide rails, thereby ensuring that the top support assembly is always supported at the center of the platform 32 and preventing the center of the platform 32 from sinking downward.

[0027] There are multiple sets of top support components, which are installed at intervals on the carrier plate 6 and located between the two guide rails (the distance between the line connecting the multiple sets of top support components and the two guide rails is the same, so the top support components are located at the center of the two guide rails). The top support components are used to support the upper platform 32 to prevent the middle part of the platform 32 from sinking and deforming after bearing the load, thus affecting the accuracy of the test results.

[0028] like Figure 4-6 As shown, each set of top support components includes a limiting hole 10, a limiting post 11, an adjusting groove 12, an adjusting bolt 13, a first ball groove 14, an outer rolling ball 15, a second ball groove 16, an inner rolling ball 17, a cover plate 18, and a limiting groove 19. The limiting hole 10 penetrates the carrier plate 6 vertically. The limiting post 11 is vertically inserted into the limiting hole 10 by an interference fit, and the outer diameter of the limiting post 11 is equal to the diameter of the limiting hole 10. The adjusting groove 12 is formed at the bottom of the limiting post 11. The inner surface of the adjusting groove 12 is provided with internal threads. The adjusting bolt 13 is screwed into the adjusting groove 12, and the bolt head of the adjusting bolt 13 abuts against the upper surface of the fixing plate 4. By screwing the adjusting bolt 13, the height of the limiting post 11 is adjusted, thereby supporting the upper platform 32 and ensuring that the platform 32 is always in a horizontal state.

[0029] To counteract the downward concave deformation caused by the pressure on the platform 32, the limiting post 11 can be slightly adjusted upward by rotating the adjusting bolt 13 to generate an upward lifting force, which forces the platform 32 to undergo a slight reverse deformation, thereby achieving the correction purpose and ensuring that the platform 32 is always in a horizontal state.

[0030] The first ball groove 14 is formed on the top of the limiting post 11, and the first ball groove 14 is a hemispherical groove. The second ball groove 16 is arranged around the inner side wall of the first ball groove 14, and the second ball groove 16 is also a hemispherical groove. The inner rolling ball 17 is installed in the second ball groove 16, and the outer rolling ball 15 is installed in the first ball groove 14, with the inner rolling ball 17 on the lower surface of the outer rolling ball 15. The top of the outer rolling ball 15 abuts against the lower surface of the table plate 32, and the table plate 32 is supported by the outer rolling ball 15. When the vibration table 3 drives the table plate 32 to move back and forth, it will roll synchronously against the outer rolling ball 15. During the rolling process, the outer rolling ball 15 will also roll against the inner rolling ball 17, resulting in a smaller coefficient of friction. The outer rolling ball 15, in conjunction with the guide rail, further improves the stability of the table plate 32 during reciprocating vibration. Therefore, the top support assembly can not only support the table plate 32, but also improve the stability of the table plate 32 during reciprocating motion in conjunction with the guide rail.

[0031] The cover plate 18 is fixed to the top of the limiting post 11 by screws. The limiting groove 19 passes through the cover plate 18 and cooperates with the outer rolling ball 15. By setting the limiting groove 19, the outer rolling ball 15 at the top of the limiting post 11 is limited to prevent the outer rolling ball 15 from rolling out.

[0032] Multiple pressing components are fixed to the platform 32, arranged in pairs opposite each other, to press the product to be tested onto the platform 32. When the vibration table 3 drives the platform 32 to vibrate reciprocally in the horizontal direction, it prevents the product to be tested from shifting on the platform 32. Figure 8 , 9 As shown, each pressing assembly includes a support plate 37, a first locking hole 38, a second locking hole 39, a pressing screw 40, a locking nut 41, a spring 42, a pressure plate 43, a through hole 44, a pressing nut 45, a support screw 46, a groove 47, an adjusting nut 48, and a stop 50. The support plate 37 is fixed to the top of the platform 32. The first locking hole 38 penetrates the support plate 37 vertically, and its inner sidewall is provided with internal threads. The outer circumferential surface of the pressing screw 40 is provided with external threads, and it is screwed into the first locking hole 38 of the support plate 37. By screwing the pressing screw 40, the initial preload of the spring 42 is adjusted. The locking nut 41 is screwed onto the pressing screw 40 and abuts against the upper surface of the support plate 37 to lock the adjusted pressing screw 40.

[0033] A through hole 44 extends vertically through the pressure plate 43, and the diameter of the through hole 44 is slightly larger than the outer diameter of the pressing screw 40. Therefore, the pressure plate 43 is fitted onto the pressing screw 40 and can rotate around the axis of the pressing screw 40. The pressing nut 45 is screwed onto the pressing screw 40, and the pressing nut 45 abuts against the upper surface of the pressure plate 43. By rotating the pressing nut 45, the pressure plate 43 will move downward, thereby pressing against the surface of the product to be tested on the platform 32, preventing the product's position from shifting during testing.

[0034] Spring 42 is sleeved on the pressing screw 40, and the two sides of spring 42 abut against the pressure plate 43 and the locking nut 41 respectively. By setting spring 42, it is easy to reset pressure plate 43 and release the product to be tested.

[0035] The second locking hole 39 penetrates the support plate 37 vertically, and its inner wall is provided with internal threads. The outer circumferential surface of the support screw 46 is provided with external threads and is screwed into the second locking hole 39. The height of the support screw 46 can be adjusted by screwing it to meet the pressure requirements of products of different thicknesses. The abutment groove 47 is opened at the bottom of the pressure plate 43. The abutment groove 47 is arc-shaped and concentric with the through hole 44. The abutment head 50 is fixed to the top of the support screw 46 and abuts against the abutment groove 47. When the pressure plate 43 rotates to release the product, it guides the rotating pressure plate. The adjusting nut 48 is fixed on the support screw 46, making it easy for the operator to rotate the support screw 46. The adjusting nut 48 abuts against the lower surface of the pressure plate 43, supporting the pressure plate 43 and preventing it from tilting to one side.

[0036] During testing, the operator rotates the support screw 46 according to the thickness of the product to be tested to adjust its height. The operator places the product to be tested at the clamping position and rotates the clamping nut 45. The pressure plate 43 gradually moves downward until one side of the pressure plate 43 presses against the surface of the product, compressing the spring 42. At this time, the groove 47 at the bottom of the pressure plate 43 is inserted into the abutment 50, and the bottom of the pressure plate 43 away from the product rests against the upper surface of the adjusting nut 48. After the test is completed, the pressure plate 43 is rotated. During the rotation, the arc-shaped groove 47 of the pressure plate 43 rotates out from the abutment 50, completing the release of the product.

[0037] like Figure 1 , 10 As shown, the connecting assembly is used to connect the vibration table 3 and the platform 32. The connecting assembly includes a connector 33, a receiving groove 34, a locking hole 35 and a threaded hole 36. The connector 33 is L-shaped. One side of the connector 33 is fixed to the vibration table 3 by screw fastening. The other side of the connector 33 has a receiving groove 34 for receiving the platform 32.

[0038] The locking hole 35 is located on one side of the connector 33 and is angled. The threaded hole 36 passes through the platform 32 at an angle and mates with the locking hole 35. During installation, the large platform is placed on the slide plate 28 of the guide rail, with one side of the large platform abutting against the receiving groove 34. The bolt is passed through the threaded hole 36 and screwed into the locking hole 35 of the connector 33. At the same time, the large platform is fixed to the slide plate 28 of the guide rail with screws, completing the fixed installation of the large platform. When it is necessary to replace the small platform, remove the two fasteners of the large platform (one is the screw between the large platform and the slide plate 28, and the other is the bolt between the large platform and the connector 33), and replace the small platform.

[0039] The locking hole 35 and threaded hole 36 are designed to be inclined. When installing the platform 32, the bolts here are also installed at an inclined angle to optimize the spatial layout and save installation space. At the same time, the axis of the bolt and the direction of the force of the vibration table 3 form a certain angle, which converts part of the force into the axial preload of the bolt, significantly improving the fatigue life of the bolt connection. The component force generated by the inclined locking of the bolt can tightly press the platform 32 into the receiving groove 34, eliminating the connection gap and improving the overall rigidity and vibration transmission accuracy of the system.

[0040] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A multi-faceted horizontal vibration table, characterized in that, It includes: Base (1); A vibration table (3) is rotatably mounted on top of the base (1); The guide rail assembly includes a carrier plate (6) fixedly mounted on the base (1), guide rails arranged opposite to each other on the top of the carrier plate (6) and parallel to each other, and a slide plate (28) slidably mounted on the guide rails. The guide rails can move synchronously towards or away from each other. The guide rails include a guide rail body (21), abutment surfaces formed on both sides of the guide rail body (21) and inclined, a roller (30) rotatably mounted on the bottom of the slide plate (28), and an abutment groove (31) formed on the outer periphery of the roller (30) and cooperating with the abutment surface. A platform (32) is detachably mounted on top of the slide plate (28) and connected to the vibration table (3); A top support assembly is mounted on the carrier plate (6) and located between the guide rails to support the platform (32). The top support assembly includes a limiting hole (10) penetrating the carrier plate (6), a limiting post (11) height-adjustable and inserted into the limiting hole (10), a first ball groove (14) opened on the top of the limiting post (11), an outer rolling ball (15) rotatably mounted in the first ball groove (14), a cover plate (18) fixed on the top of the limiting post (11), and a limiting groove (19) penetrating the cover plate (18) and used to limit the outer rolling ball (15). The outer rolling ball (15) abuts against the platform (32). A pressing assembly, which is mounted on the platform (32), is used to releasably fix the product to be tested onto the platform (32).

2. The multi-faceted horizontal vibration table according to claim 1, characterized in that: The guide rail assembly also includes a mounting plate (7) fixed to the top of the carrier plate (6) and arranged opposite to it, a guide post (8) fixed between the mounting plates (7) and arranged in parallel, a guide sleeve (9) fixed to the bottom of the guide rail, and a guide hole that passes through the guide sleeve (9) and slides with the guide post (8).

3. A multi-faceted horizontal vibration table according to claim 2, characterized in that: The guide rail assembly also includes a first lead screw (23) and a second lead screw (24) rotatably mounted on opposite sides of the mounting plate (7) and coaxially arranged, a lead screw nut (22) fixed to the bottom of the guide rail and cooperating with the first lead screw (23) and the second lead screw (24), a connecting sleeve (25) connecting the first lead screw (23) and the second lead screw (24), and a drive mechanism fixed to one side of the mounting plate (7) and connected to the first lead screw (23), wherein the threads of the first lead screw (23) and the second lead screw (24) are opposite in direction.

4. The multi-faceted horizontal vibration table according to claim 1, characterized in that: The top support assembly also includes an adjustment groove (12) formed at the bottom of the limiting post (11), an adjustment bolt (13) screwed into the adjustment groove (12) and abutting against the base (1), a second ball groove (16) circumferentially arranged in the first ball groove (14), and an inner rolling ball (17) rotatably installed in the second ball groove (16). The inner rolling ball (17) abuts against the bottom of the outer rolling ball (15), and the diameter of the inner rolling ball (17) is smaller than the diameter of the outer rolling ball (15).

5. A multi-faceted horizontal vibration table according to claim 1, characterized in that: The pressing assembly includes a support plate (37) fixed to the top of the platform (32), a first locking hole (38) penetrating the support plate (37), a pressing screw (40) screwed into the first locking hole (38), a pressure plate (43) sleeved on the pressing screw (40), a through hole (44) penetrating the pressure plate (43) for the pressing screw (40) to pass through, and a pressing nut (45) screwed on the pressing screw (40). The pressing nut (45) abuts against the upper surface of the pressure plate (43), and the diameter of the through hole (44) is larger than the outer diameter of the pressing screw (40).

6. A multi-faceted horizontal vibration table according to claim 5, characterized in that: The pressing assembly also includes an abutment groove (47) formed at the bottom of the pressure plate (43), a second locking hole (39) penetrating the support plate (37), a support screw (46) screwed into the second locking hole (39), an abutment head (50) fixed to the top of the support screw (46) and abutting against the abutment groove (47), and an adjusting nut (48) fixed on the support screw (46). The adjusting nut (48) abuts against the lower surface of the pressure plate (43), and the abutment groove (47) is concentrically arranged with the through hole (44).

7. A multi-faceted horizontal vibration table according to claim 6, characterized in that: The pressing assembly also includes a locking nut (41) screwed onto the pressing screw (40) and abutting against the support plate (37) and a spring (42) sleeved on the pressing screw (40), with the two ends of the spring (42) abutting between the pressure plate (43) and the locking nut (41).

8. A multi-faceted horizontal vibration table according to claim 1, characterized in that: It also includes a connector (33) fixed to one side of the vibration table (3), a receiving groove (34) opened on one side of the connector (33) for supporting the table plate (32), a locking hole (35) opened obliquely on one side of the connector (33), and a threaded hole (36) penetrating the table plate (32) and cooperating with the locking hole (35).

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