A vibration table capable of adjusting frequency and amplitude, a control system and a method

Abstract

The present invention provides a vibration table, control system and method with adjustable frequency and amplitude, which relates to the technical field of stage performance equipment. The vibration table includes a vibration table body and no less than three groups of vibration power structures, at least three of which are triangularly distributed and arranged at the bottom of the vibration table body; the vibration table uses the principle of a three-point supported plane structure and a triangularly distributed vibration power structure, and uses the movement of any point to drive the entire table surface to move. The vibration power structure in the present invention uses a driving mechanism and a triggering mechanism to cooperate with each other, and adjusts the rotation speed of the driving cam by adjusting the output frequency of the driving motor, thereby adjusting the frequency of the shaking of the vibration table body; adjusts the braking time of the trigger brake to adjust the amplitude of the vibration table body; and can also achieve different vibration effects by different groupings of the driving mechanism and the triggering mechanism, thereby achieving more diverse stage effects.

Description

Technical Field

[0001] The present invention relates to the technical field of stage performance equipment, and in particular to a vibration table with adjustable frequency and amplitude, a control system and a method. Background Art

[0002] At present, in the field of stage performance systems, with the investment of various new stage equipment, the audience can visually appreciate the magnificent performance effects, but the audience's demand for viewing experience is getting higher and higher.

[0003] In order to enhance the audience's viewing experience, the existing stage performance system partially sets up motion seat platforms, but it can only realize the audience's translation during the performance, but cannot realize the immersive experience of the audience moving up and down as the plot develops.

[0004] In order to enhance the audience's viewing experience, it is necessary to design a vibration table that can adjust the frequency and amplitude. Summary of the invention

[0005] The object of the present invention is to provide a vibration table, a control system and a method with adjustable frequency and amplitude, so as to solve the above-mentioned problems existing in the prior art.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] A vibration table with adjustable frequency and amplitude, comprising a vibration table body and at least three groups of vibration power structures, wherein at least three groups of the vibration power structures are arranged in a triangular shape at the bottom of the vibration table body;

[0008] The vibration power structure includes a driving mechanism and a triggering mechanism, wherein the driving mechanism and the triggering mechanism are arranged adjacent to each other, the driving mechanism includes a driving support seat, a driving motor and a driving lifting mechanism, the driving support seat is arranged on the top of the driving structure and is connected to the vibration table body; the driving motor is used to provide power for the entire driving mechanism, drive the driving lifting mechanism to move up and down, thereby driving the vibration table body to vibrate through the driving support seat;

[0009] The trigger mechanism includes a trigger support seat, a trigger lifting mechanism and a trigger counterweight block. The trigger support seat is arranged on the top of the trigger lifting mechanism and is only in surface contact with the vibration table body. The trigger counterweight block is connected to the trigger lifting mechanism and is used to adjust the lifting process of the trigger lifting mechanism.

[0010] Preferably, the driving lifting mechanism comprises a driving cross hinge seat, a driving lifting guide, a driving roller and a driving cam which are sequentially installed from top to bottom, wherein the driving cam is in contact with the driving roller, and the driving roller is directly connected to the driving support seat; the driving motor drives the driving cam to rotate, thereby driving the driving roller to rotate, thereby driving the vibration table body to realize up and down reciprocating motion;

[0011] The driving cross hinge seat and the driving lifting guide are installed between the driving support seat and the driving roller, and are respectively used to limit the vibration table body to ensure that the driving structure is located at a position where the degree of freedom is limited during the forward and backward swinging, left and right swinging, and up and down movement.

[0012] Preferably, the trigger power lifting mechanism comprises a trigger base, a trigger lifting guide mechanism, a trigger release mechanism, a trigger brake and a trigger reel, wherein the trigger base is installed below the trigger support seat, the trigger lifting guide mechanism and the trigger release mechanism are arranged inside the base, and the trigger release mechanism is directly connected to the trigger support seat; the trigger reel is installed on the side of the trigger base, and the trigger brake is arranged on both sides of the rotating shaft of the trigger reel; and the trigger reel is respectively connected to the trigger release mechanism and the trigger counterweight block through a steel wire rope;

[0013] When there is a gap between the trigger support seat and the vibration table body, the trigger brake is actuated to rotate, and the trigger reel rotates under the action of the deadweight of the trigger counterweight block; the trigger reel drives the hinge shaft of the trigger release mechanism to move through the wire rope, and under the restriction of the trigger lifting guide mechanism, the trigger release mechanism drives the trigger support seat to move upward, so that the trigger support seat contacts the vibration table body again.

[0014] Preferably, the trigger mechanism further comprises a trigger buffer, and the trigger buffer is installed beside the trigger support seat.

[0015] Preferably, the vibration table body includes a table body bracket, a table top built on the table body bracket and a plurality of seats arranged on the table top, wherein the table body bracket adopts a rectangular frame and support rods arranged on the rectangular frame, and the support rods at least include connecting rods II connecting each group of vibration power structures and other connecting rods I crossing the center of gravity of the rectangular frame.

[0016] Another object of the present invention is to provide a vibration table control system with adjustable frequency and amplitude, including a vibration table and a vibration table controller, wherein the vibration table controller includes a drive mechanism control module and a trigger mechanism control module, the drive mechanism control module is used to control the start and stop time of all drive motors, and the output frequency of all drive motors; the trigger mechanism control module is used to control the braking time of all trigger brakes.

[0017] The last object of the present invention is to provide a vibration table control method with adjustable frequency and amplitude, using a vibration table control system with adjustable frequency and amplitude, comprising the following steps:

[0018] S1, a control valve method for setting a vibration platform according to the vibration effect to be achieved, wherein the vibration effect includes but is not limited to the vibration effects of rising, falling and shaking left and right;

[0019] S2, according to the vibration effect to be achieved, the drive mechanism control module is used to set the start, shutdown time and output frequency of all drive motors; the trigger mechanism control module is used to set the braking time and sequence of the trigger brake.

[0020] Preferably, in step S2, the output frequency of the driving motor is adjusted to drive the rotation speed of the cam, thereby adjusting the frequency of the shaking of the vibration table; the braking time of the trigger brake is adjusted to adjust the rising height of the trigger support seat, and finally the amplitude adjustment process of the vibration table is realized.

[0021] Preferably, step S2 specifically includes two vibration modes:

[0022] Mode A: All drive motors are started at the same time, and all drive cams drive the drive rollers to rotate at the same time, and the drive support seat performs periodic up and down reciprocating motion as the drive cams rotate;

[0023] Mode B: All driving motors are started one after another, and all driving cams drive the driving rollers to rotate one after another, causing all driving support seats to make reciprocating motions up and down one after another; at this time, due to the effect of the driving cross hinge seat, when a certain driving support seat moves up and down, it will cause other driving support seats to shake left and right.

[0024] Preferably, for any set of vibration power mechanisms, the movement process includes the following process:

[0025] 1) When the drive motor is started, it drives the drive support seat to rise and fall, thereby driving the vibration table to vibrate up and down; when the vibration table reaches the highest height, the drive motor stops and the motor brake is applied; at this time, the trigger brake is turned on to perform an energized action, so that the trigger drum rotates freely under the action of the trigger counterweight, and the hinge shaft of the trigger release mechanism is driven horizontally by the wire rope. Under the restriction of the trigger lifting guide mechanism, the trigger support seat moves upward until it contacts the vibration table, and the trigger brake is controlled to cut off the power again to lock the trigger drum, so that the trigger support seat can bear the full weight of the vibration table;

[0026] 2) then releasing the motor brake of the driving motor so that the driving support seat does not bear the weight of the vibration table body, and the weight of the entire vibration table body is placed on the trigger support seat;

[0027] 3) The trigger brakes of all trigger mechanisms are controlled to start at the same time, all trigger reels lose braking force, and the trigger support seat drops to the lowest point in a free fall state; at this time, the entire vibration table body will cause the trigger support seat and the drive support seat to instantly perform free fall motion under the action of its own weight. When it falls to the lowest point, the vibration table will first fall on the trigger buffer and then slowly stop at the lowest position.

[0028] The beneficial effects of the present invention are:

[0029] The present invention provides a vibration table, control system and method with adjustable frequency and amplitude. The vibration table uses the principle of a three-point support plane structure and a triangularly distributed vibration power structure, and uses the movement of any point to drive the entire table surface to move. The vibration power structure in the present invention uses a driving mechanism and a triggering mechanism to cooperate with each other, and adjusts the output frequency of the driving motor to adjust the rotation speed of the driving cam, thereby adjusting the frequency of the shaking of the vibration table body; different vibration effects can also be achieved by different groupings of the driving mechanism and the triggering mechanism, thereby achieving more diverse stage effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the side structure of the vibration table with adjustable frequency and amplitude provided in Example 1;

[0031] Figure 2 Schematic diagram of the support structure of the vibration table with adjustable frequency and amplitude provided in Example 1;

[0032] Figure 3 is a schematic diagram of the vibration dynamic structure of the vibration table with adjustable frequency and amplitude provided in Example 1;

[0033] 1 is a seat, 2 is a table top, 3 is a vibration table body, 4 is a driving mechanism, 5 is a triggering mechanism, 6 is a rectangular frame, 7 is a connecting rod I, 8 is a connecting rod II, 9 is a driving support seat, 10 is a driving cross hinge seat, 11 is a driving lifting guide, 12 is a driving roller, 13 is a driving motor, 14 is a driving cam, 15 is a triggering support seat, 16 is a triggering buffer, 17 is a triggering lifting guide mechanism, 18 is a triggering releasing mechanism, 19 is a steel wire rope, 20 is a triggering brake, 21 is a triggering drum, and 22 is a triggering counterweight. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation methods described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] Example 1

[0036] This embodiment provides a vibration table with adjustable frequency and amplitude, comprising a vibration table body and three groups of vibration power structures, wherein the vibration power structures are arranged in a triangular distribution at the bottom of the vibration table body;

[0037] The vibration power structure includes a driving mechanism and a triggering mechanism, wherein the driving mechanism and the triggering mechanism are arranged adjacent to each other, the driving mechanism includes a driving support seat, a driving motor and a driving lifting mechanism, the driving support seat is arranged on the top of the driving lifting mechanism and is connected to the vibration table body; the driving motor is used to provide power for the entire driving mechanism, drive the driving lifting mechanism to move up and down, thereby driving the vibration table body to reciprocate up and down through the driving support seat;

[0038] The trigger mechanism includes a trigger support seat, a trigger lifting mechanism and a trigger counterweight block. The trigger support seat is arranged on the top of the trigger lifting mechanism and is only in surface contact with the vibration table body. The trigger counterweight block is connected to the trigger lifting mechanism and is used to adjust the lifting process of the lifting mechanism.

[0039] The driving lifting mechanism in this embodiment includes a driving cross hinge seat, a driving lifting guide, a driving roller and a driving cam which are installed in sequence from top to bottom, wherein the driving cam is in contact with the driving roller, and the driving roller is directly connected to the driving support seat; the driving motor drives the driving cam to rotate, thereby driving the driving roller to rotate, thereby driving the vibration table body to reciprocate up and down;

[0040] The driving cross hinge seat and the driving lifting guide are installed between the driving support seat and the driving roller, and are respectively used to limit the vibration table body to ensure that the position where the driving structure is located can achieve freedom limitation during the forward and backward swinging and up and down movement.

[0041] The trigger power lifting mechanism in this embodiment includes a trigger base, a trigger lifting guide mechanism, a trigger release mechanism, a trigger brake and a trigger reel, wherein the trigger base is installed below the trigger support seat, the trigger lifting guide mechanism and the trigger release mechanism are arranged inside the base, and the trigger release mechanism is directly connected to the trigger support seat; the trigger reel is installed on the side of the trigger base, and the trigger brake is arranged on both sides of the rotating shaft of the trigger reel; and the trigger reel is respectively connected to the trigger release mechanism and the trigger counterweight through a steel wire rope;

[0042] When there is a gap between the trigger support seat and the vibration table body, the trigger brake is actuated, and the trigger reel rotates under the action of the trigger counterweight's own weight; the trigger reel drives the trigger release mechanism hinge shaft to move through the wire rope, and under the restriction of the trigger lifting guide mechanism, the trigger release mechanism drives the trigger support seat to move upward, so that the trigger support seat comes into contact with the vibration table body again.

[0043] The trigger mechanism in this embodiment further includes a trigger buffer, and the trigger buffer is installed beside the trigger support seat.

[0044] The vibration table body in this embodiment includes a table body bracket, a table top built on the table body bracket and a plurality of seats arranged on the table top, wherein the table body bracket adopts a rectangular frame and support rods arranged on the rectangular frame, and the support rods at least include connecting rods I connecting each group of vibration power structures and other connecting rods II crossing the center of gravity of the rectangular frame.

[0045] Example 2

[0046] The present embodiment provides a vibration table control system with adjustable frequency and amplitude, including the vibration table and vibration table controller described in Embodiment 1, wherein the vibration table controller includes a drive mechanism control module and a trigger mechanism control module, wherein the drive mechanism control module is used to control the start and stop time of all drive motors, and the output frequency of all drive motors; and the trigger mechanism control module is used to control the braking time of all trigger brakes.

[0047] Example 3

[0048] This embodiment provides a vibration table control method with adjustable frequency and amplitude, which uses the vibration table control system with adjustable frequency and amplitude in Embodiment 2, and includes the following steps:

[0049] S1, a control valve method of the control console is set according to the vibration effect to be achieved, including but not limited to the vibration effects of rising, falling and shaking left and right;

[0050] S2, according to the vibration effect to be achieved, the drive mechanism control module is used to set the start, shutdown time and output frequency of all drive motors; the trigger mechanism control module is used to set the braking time and sequence of the trigger brake.

[0051] In step S2, the output frequency of the driving motor is adjusted to adjust the rotation speed of the driving cam, thereby adjusting the frequency of the shaking of the vibration table; by adjusting the braking time of the trigger brake, the height of the trigger support seat is adjusted, and finally the amplitude of the vibration table is adjusted.

[0052] Step S2 specifically includes two vibration modes:

[0053] Mode A: All drive motors are started at the same time, and all drive cams drive the drive rollers to rotate at the same time, and the drive support seat performs periodic up and down reciprocating motion as the drive cams rotate;

[0054] Mode B: All driving motors are started one after another, and all driving cams drive the driving rollers to rotate one after another, causing all driving support seats to make reciprocating motions up and down one after another; at this time, due to the effect of the driving cross hinge seat, when a certain driving support seat moves up and down, it will cause other driving support seats to shake left and right.

[0055] For any set of vibration dynamic mechanisms, the movement process includes the following processes:

[0056] 1) When the drive motor is started, it drives the drive support seat to rise and fall, thereby driving the vibration table to vibrate up and down; when the vibration table reaches the highest height, the drive motor stops and the motor brake is applied; at this time, the trigger brake is turned on to perform an energized action, so that the trigger drum rotates freely under the action of the trigger counterweight, and the hinge shaft of the trigger release mechanism is driven horizontally by the wire rope. Under the restriction of the trigger lifting guide mechanism, the trigger support seat moves upward until it contacts the vibration table, and the trigger brake is controlled to cut off the power again to lock the trigger drum, so that the trigger support seat can bear the full weight of the vibration table;

[0057] 2) then releasing the motor brake of the driving motor so that the driving support seat does not bear the weight of the vibration table body, and the weight of the entire vibration table body is placed on the trigger support seat;

[0058] 3) The trigger brakes of all trigger mechanisms are controlled to start at the same time, all trigger reels lose braking force, and the trigger support seat drops to the lowest point in a free fall state; at this time, the entire vibration table body will cause the trigger support seat and the drive support seat to instantly perform free fall motion under the action of its own weight. When it falls to the lowest point, the vibration table will first fall on the trigger buffer and then slowly stop at the lowest position.

[0059] By adopting the above technical solution disclosed in the present invention, the following beneficial effects are obtained:

[0060] The present invention provides a vibration table, control system and method with adjustable frequency and amplitude. The vibration table uses the principle of a three-point support plane structure and a triangularly distributed vibration power structure, and uses the movement of any point to drive the entire table surface to move. The vibration power structure in the present invention uses a driving mechanism and a triggering mechanism to cooperate with each other, and by adjusting the output frequency of the driving motor to drive the rotation speed of the cam, the frequency of the shaking of the vibration table body is adjusted; the braking time of the trigger brake is adjusted to adjust the amplitude of the vibration table body. Different vibration effects can also be achieved by different groupings of the driving mechanism and the triggering mechanism, thereby achieving more diverse stage effects.

[0061] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be considered as the scope of protection of the present invention.

Claims

1. A vibration table with adjustable frequency and amplitude, characterized in that: It includes a vibration table body and three groups of vibration power structures, wherein the vibration power structures have three groups distributed in a triangle and arranged at the bottom of the vibration table body; The vibration power structure includes a driving mechanism and a triggering mechanism, wherein the driving mechanism and the triggering mechanism are arranged adjacent to each other, the driving mechanism includes a driving support seat, a driving motor and a driving lifting mechanism, the driving support seat is arranged on the top of the driving lifting mechanism and is connected to the vibration table body; the driving motor is used to provide power for the entire driving mechanism, drive the driving lifting mechanism to move up and down, thereby driving the vibration table body to reciprocate up and down through the driving support seat; The trigger mechanism includes a trigger support seat, a trigger lifting mechanism and a trigger counterweight block. The trigger support seat is arranged on the top of the trigger lifting mechanism and is only in surface contact with the vibration table body. The trigger counterweight block is connected to the trigger lifting mechanism and is used to adjust the lifting process of the trigger lifting mechanism.

2. The vibration table with adjustable frequency and amplitude according to claim 1, characterized in that: The driving lifting mechanism comprises a driving cross hinge seat, a driving lifting guide, a driving roller and a driving cam which are sequentially installed from top to bottom, wherein the driving cam is in contact with the driving roller, and the driving roller is directly connected to the driving support seat; the driving motor drives the driving cam to rotate, thereby driving the driving roller to rotate, thereby driving the vibration table body to reciprocate up and down; The driving cross hinge seat and the driving lifting guide are installed between the driving support seat and the driving roller, and are respectively used to limit the vibration table body to ensure that the position where the vibration table body is located can achieve freedom restriction during the process of front and back swinging, left and right swinging and up and down movement.

3. The vibration table with adjustable frequency and amplitude according to claim 1, characterized in that: The trigger lifting mechanism comprises a trigger base, a trigger lifting guide mechanism, a trigger release mechanism, a trigger brake and a trigger reel, wherein the trigger base is installed below the trigger support seat, the trigger lifting guide mechanism and the trigger release mechanism are arranged inside the base, and the trigger release mechanism is directly connected to the trigger support seat; the trigger reel is installed on the side of the trigger base, and the trigger brake is arranged on both sides of the rotating shaft of the trigger reel; and the trigger reel is respectively connected to the trigger release mechanism and the trigger counterweight block through a steel wire rope; When there is a gap between the trigger support seat and the vibration table body, the trigger brake is energized and moves, triggering the counterweight block to move up and down, causing the trigger reel to rotate; the trigger reel drives the trigger release mechanism hinge shaft to move horizontally through the wire rope, and under the restriction of the trigger lifting guide mechanism, the trigger release mechanism drives the trigger support seat to move upward, causing the trigger support seat to contact the vibration table body again.

4. The vibration table with adjustable frequency and amplitude according to claim 1, characterized in that: The trigger mechanism also includes a trigger buffer, which is installed beside the trigger support seat.

5. The vibration table with adjustable frequency and amplitude according to claim 1, characterized in that: The vibration table body includes a table body bracket, a table top built on the table body bracket and a plurality of seats arranged on the table top, wherein the table body bracket adopts a rectangular frame and support rods arranged on the rectangular frame, and the support rods at least include connecting rods connecting each group of vibration power structures and other connecting rods crossing the center of gravity of the rectangular frame.

6. A vibration table control system with adjustable frequency and amplitude, characterized in that: It includes a vibration table and a vibration table controller as described in any one of claims 1 to 5, wherein the vibration table controller includes a drive mechanism control module and a trigger mechanism control module, the drive mechanism control module is used to control the start and stop time of all drive motors, and the output frequency of all drive motors; the trigger mechanism control module is used to control the braking sequence and time of all trigger brakes.

7. A method for controlling a vibration table with adjustable frequency and amplitude, characterized in that: The vibration table control system with adjustable frequency and amplitude as claimed in claim 6 comprises the following steps: S1, setting a control method of the vibration table according to the vibration effect to be achieved, wherein the vibration effect includes but is not limited to the vibration effects of rising, falling and shaking left and right; S2, according to the vibration effect to be achieved, the drive mechanism control module is used to set the start, shutdown time and output frequency of all drive motors; the trigger mechanism control module is used to set the braking time of the trigger brake.

8. The vibration table control method with adjustable frequency and amplitude according to claim 7, characterized in that: In step S2, the output frequency of the driving motor is adjusted to drive the rotation speed of the cam, thereby adjusting the frequency of the shaking of the vibration table; the braking time of the trigger brake is adjusted to adjust the height of the trigger support seat, and finally the amplitude of the vibration table is adjusted.

9. The vibration table control method with adjustable frequency and amplitude according to claim 7, characterized in that: Step S2 specifically includes two vibration modes: Mode A: All drive motors are started at the same time, and all drive cams drive the drive rollers to rotate at the same time, and the drive support seat performs periodic up and down reciprocating motion as the drive cams rotate; Mode B: All drive motors are started one after another, and then all drive cams drive the drive rollers to rotate one after another, causing all drive support seats to make up and down reciprocating motions one after another; At this time, due to the effect of the driving cross hinge seat, when a certain driving support seat moves up and down, it will lead other driving support seats to shake left and right.

10. The vibration table control method with adjustable frequency and amplitude according to claim 8, characterized in that: For any set of vibration dynamic mechanisms, the movement process includes the following processes: 1) When the drive motor is started, it drives the drive support seat to rise and fall, thereby driving the vibration table to move up and down; when the vibration table reaches the highest height, the drive motor is turned off and the drive brake is locked; At this time, the trigger brake is activated, so that the trigger drum rotates freely under the action of the trigger counterweight, and the hinge shaft of the trigger release mechanism is driven horizontally by the wire rope. Under the restriction of the trigger lifting guide mechanism, the trigger support seat moves upward until it contacts the vibration table body, and the trigger brake is controlled to lock the trigger drum again, so that the trigger support seat can bear the full weight of the vibration table body; 2) Then, the motor brake of the driving motor is released, so that the driving support seat does not bear the weight of the vibration table body, and the weight of the entire vibration table body is placed on the trigger support seat; 3) The trigger brakes of all trigger mechanisms are released at the same time, all trigger reels lose braking force, and the trigger support seat drops to the lowest point; at this time, the entire vibration table body will cause the trigger support seat and the drive support seat to instantly perform free fall motion under the action of its own weight. When it falls to the lowest point, the vibration table will first fall on the trigger buffer and then slowly stop at the lowest position.

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