Telescopic device of electric telescopic chorus table

Abstract

The utility model discloses a telescopic device of an electric telescopic chorus table, which comprises a mounting frame, a floor is mounted at the top of the mounting frame, a mounting plate is mounted in the mounting frame, and a fixing plate is arranged above the mounting plate. The utility model relates to the technical field of telescopic devices of chorus tables, through the cooperation of a threaded cylinder, a threaded rod and a driven gear, a driving rod is used for driving the driven gear to rotate, and through the engagement with the threaded cylinder, the threaded cylinder drives the threaded rod to lift, so that a first support plate, a second support plate and a third support plate stretch out and draw back; and a driven gear is meshed with a threaded cylinder, so that the threaded rod can be fixed when stopping rotating, the threaded rod is more stable after extending out, and the problem that in the prior art, when the connecting rod is used for a long time, the bearing capacity of the connecting rod is reduced, the connecting rod is broken, and danger is caused is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic devices of a chorus stage, in particular to a telescopic device of an electric telescopic chorus stage. Background Art

[0002] The choir platform is made of aluminum alloy, solid wood, metal and other materials. It is above the horizontal surface and can be used for people to stand on it for group performances, chorus or other performances. With the improvement of the national economic level, people pay more and more attention to spiritual entertainment, and choral performance has become one of the spiritual entertainment activities. However, when performing choral performances, a choir platform is often needed.

[0003] When the prior art is in use, a servo motor is used to drive a bidirectional screw rod to rotate, so that a sleeve on its surface drives a connecting rod to move, and the base plate is supported thereby, so that the support plate is lifted, thereby improving work efficiency.

[0004] However, in actual use, due to the large number of people standing on the stage and after long-term use, the load-bearing capacity of the connecting rod will be reduced, causing the connecting rod to break, thereby causing the stage to collapse and cause danger. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a telescopic device for an electric telescopic chorus stage, which solves the problem that in actual use, due to a large number of people standing on the stage and after long-term use, the load-bearing capacity of the connecting rod is reduced, causing the connecting rod to break, thereby causing the stage to collapse and cause danger.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a telescopic device of an electric telescopic chorus stage comprises a mounting frame, a floor is installed on the top of the mounting frame, a mounting plate is installed inside the mounting frame, a fixed plate is arranged above the mounting plate, a first support plate, a second support plate and a third support plate are installed on the top of the fixed plate through an opening on the top of the floor, a telescopic structure is installed on the bottom of the fixed plate, the telescopic structure comprises a threaded barrel, a threaded rod, a driven gear, a fixed shell and a driving rod, the top of the threaded rod is fixedly connected to the bottom of the fixing plate, the outer wall of the threaded rod is threadedly connected to the threaded barrel, the outer wall of the threaded barrel is rotatably connected to the inner wall of the mounting plate through a bearing, the outer wall of the threaded barrel is meshedly connected to the driven gear, the outer wall of the driven gear is fixedly connected to the driving rod, the outer wall of the driving rod is rotatably connected to the fixed shell through a bearing, and the outer wall of the fixed shell is fixedly connected to the bottom of the mounting plate.

[0007] Preferably, a servo motor is fixedly connected to the bottom of the inner wall of the mounting frame, an output end of the servo motor extends to one end inside the fixed shell and is fixedly connected to a driving gear, and an outer wall of the driving gear is meshingly connected to the outer wall of the driven gear.

[0008] Preferably, the bottom of the first support plate is fixedly connected to a support plate, and the bottom of the support plate is fixedly connected to the top of the fixed plate.

[0009] Preferably, the bottoms of the second support plate and the third support plate are respectively fixedly connected with support columns, the outer walls of the support columns are plugged with fixing columns, the bottoms of the fixing columns are fixedly connected to the tops of the fixing plates, the bottoms of the support columns are fixedly connected with hydraulic rods, the bottoms of the hydraulic rods are fixedly connected to the bottoms of the inner walls of the fixing columns, the hydraulic rods are electrically connected with hydraulic cylinders, and the outer walls of the hydraulic cylinders are fixedly connected to the outer walls of the mounting frame.

[0010] Preferably, a connecting rod is slidably engaged with the inner wall of the support column, and one end of the connecting rod is rotatably connected to the inner wall of the support plate.

[0011] Beneficial Effects

[0012] The utility model provides a telescopic device for an electric telescopic chorus stage. The utility model has the following beneficial effects: the telescopic device for the electric telescopic chorus stage uses a threaded barrel, a threaded rod and a driven gear to cooperate, and uses a driving rod to drive the driven gear to rotate, so that the threaded barrel drives the threaded rod to rise and fall through meshing with the threaded barrel, so that the first support plate, the second support plate and the third support plate are telescoped, and the meshing of the driven gear and the threaded barrel can fix the threaded rod when it stops rotating, so that it is more stable after being extended, and solves the problem that the bearing capacity of the connecting rod is reduced and the connecting rod is broken when the prior art is used for a long time, thereby causing danger.

[0013] Through the cooperation of the hydraulic cylinder, hydraulic rod and connecting rod, the hydraulic cylinder is used to control the hydraulic rod to rise and fall, so that it drives the support column to extend and retract in the fixed column, and when the support column moves, the connecting rod will slide and engage on its inner wall, so that the first support plate, the second support plate and the third support plate can be extended and retracted, so that the height between each support plate is different, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the midsole plate, the fixing column and the fixing plate;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the mounting frame, fixed shell and servo motor.

[0018] In the figure: 1, mounting frame, 2, floor, 3, mounting plate, 4, fixing plate, 5, servo motor, 6, driving rod, 7, fixing shell, 8, threaded cylinder, 9, threaded rod, 10, fixing column, 11, supporting plate, 12, first supporting plate, 13, second supporting plate, 14, third supporting plate, 15, connecting rod, 16, supporting column, 17, hydraulic cylinder, 18, hydraulic rod, 19, driven gear, 20, driving gear. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] However, in actual use, due to the large number of people standing on the stage and after long-term use, the load-bearing capacity of the connecting rod will be reduced, causing the connecting rod to break, thereby causing the stage to collapse and cause danger.

[0021] In view of this, the utility model provides a telescopic device for an electric telescopic chorus stage, which solves the problem that in actual use, due to a large number of people standing on the stage and after long-term use, the load-bearing capacity of the connecting rod will be reduced, causing the connecting rod to break, thereby causing the stage to collapse and cause danger.

[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0023] Embodiment 1: Figure 1-4It can be seen that the telescopic device of the electric telescopic chorus stage includes a mounting frame 1, a floor 2 is installed on the top of the mounting frame 1, a mounting plate 3 is installed inside the mounting frame 1, a fixing plate 4 is arranged above the mounting plate 3, a first support plate 12, a second support plate 13 and a third support plate 14 are installed on the top of the fixing plate 4 through the opening at the top of the floor 2, a telescopic structure is installed at the bottom of the fixing plate 4, and the telescopic structure includes a threaded cylinder 8, a threaded rod 9, a driven gear 19, a fixing shell 7 and a driving rod 6, the top of the threaded rod 9 is fixedly connected to the bottom of the fixing plate 4, and the outer wall of the threaded rod 9 is threadedly connected There is a threaded barrel 8, the outer wall of the threaded barrel 8 is rotatably connected to the inner wall of the mounting plate 3 through a bearing, the outer wall of the threaded barrel 8 is meshedly connected with a driven gear 19, the outer wall of the driven gear 19 is fixedly connected with a driving rod 6, the driving rod 6 is used to drive the driven gear 19 to rotate, and then drive the threaded barrel 8 to rotate, and when the threaded barrel 8 rotates, since the threaded rod 9 is fixed to the bottom of the fixed plate 4, when it rotates, the fixed plate 4 will be extended and retracted, the outer wall of the driving rod 6 is rotatably connected to a fixed shell 7 through a bearing, and the outer wall of the fixed shell 7 is fixedly connected to the bottom of the mounting plate 3;

[0024] In the specific implementation process, it is worth pointing out that, under the cooperation of the threaded barrel 8, the threaded rod 9 and the driven gear 19, the driving rod 6 is used to drive the driven gear 19 to rotate, so that the threaded barrel 8 drives the threaded rod 9 to move up and down through the meshing with the threaded barrel 8, so that the first support plate 12, the second support plate 13 and the third support plate 14 are extended and retracted, and the meshing of the driven gear 19 and the threaded barrel 8 can fix the threaded rod 9 when it stops rotating, so that it is more stable after being extended;

[0025] Furthermore, a servo motor 5 is fixedly connected to the bottom of the inner wall of the mounting frame 1, and an output end of the servo motor 5 extends to one end inside the fixed shell 7 and is fixedly connected to a driving gear 20, and an outer wall of the driving gear 20 is meshedly connected to an outer wall of the driven gear 19, wherein the model of the servo motor 5 is not limited;

[0026] In the specific implementation process, it is worth pointing out that, under the cooperation of the servo motor 5, the driving gear 20 and the driven gear 19, the driving gear 20 is driven to rotate by the servo motor 5, so that it meshes with the driven gear 19, thereby making each support plate extend and retract;

[0027] Furthermore, the bottom of the first support plate 12 is fixedly connected to the support plate 11, and the bottom of the support plate 11 is fixedly connected to the top of the fixed plate 4;

[0028] In the specific implementation process, it is worth pointing out that, with the cooperation of the first support plate 12, the support plate 11 and the fixed plate 4, when the fixed plate 4 is extended and retracted, the support plate 11 will drive the first support plate 12 to extend and retract, so that it is higher than the floor 2;

[0029] Specifically, when using the telescopic device of the electric telescopic chorus, when adjusting the height of the stage, the servo motor 5 is used to drive the driving gear 20 to rotate, and the driving gear 20 is engaged with the driven gear 19 to drive the driving rod 6 to rotate, and the driven gears 19 at both ends are engaged with the threaded tube 8 to drive the threaded rod 9 to rise and fall, and the fixed plate 4 drives the first support plate 12, the second support plate 13 and the third support plate 14 to rise, and the mounting plate 3 is used to increase the bearing capacity of each support plate, thereby avoiding the problem of danger to the stage.

[0030] Embodiment 2: By Figure 1-4 It can be seen that the bottoms of the second support plate 13 and the third support plate 14 are respectively fixedly connected with support columns 16, the outer walls of the support columns 16 are plugged with fixed columns 10, the bottoms of the fixed columns 10 are fixedly connected to the tops of the fixed plates 4, the bottoms of the support columns 16 are fixedly connected with hydraulic rods 18, the bottoms of the hydraulic rods 18 are fixedly connected to the bottoms of the inner walls of the fixed columns 10, the hydraulic rods 18 are electrically connected with hydraulic cylinders 17, the outer walls of the hydraulic cylinders 17 are fixedly connected to the outer walls of the mounting frame 1, and it can be understood that the models of the hydraulic rods 18 and the hydraulic cylinders 17 are not limited;

[0031] In the specific implementation process, it is worth pointing out that under the cooperation of the hydraulic cylinder 17, the hydraulic rod 18 and the support column 16, the hydraulic cylinder 17 is used to control the hydraulic rod 18 to move up and down, so that it drives the support column 16 to extend and retract in the fixed column 10, so that the height of each support plate is different;

[0032] Furthermore, the inner wall of the support column 16 is slidably connected with a connecting rod 15, and one end of the connecting rod 15 is rotatably connected to the inner wall of the support plate 11;

[0033] In the specific implementation process, it is worth pointing out that, under the cooperation of the connecting rod 15 and the support column 16, when the hydraulic rod 18 drives the support column 16 to move up and down, the connecting rod 15 moves inside the support column 16, so that the height of each support plate is different;

[0034] Specifically, based on the above embodiment, a servo motor 5 is used to drive the fixed plate 4 to extend and retract, and after the position of the fixed plate 4 is fixed, a hydraulic cylinder 17 is used to drive the hydraulic rod 18 to extend and retract, so that under the drive of the connecting rod 15, the extension and retraction effect of each support plate is different.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic device for an electrically-operated telescopic chorus stage, comprising a mounting frame (1), characterized in that: A floor (2) is installed on the top of the mounting frame (1), a mounting plate (3) is installed inside the mounting frame (1), a fixing plate (4) is arranged above the mounting plate (3), a first supporting plate (12), a second supporting plate (13) and a third supporting plate (14) are installed on the top of the fixing plate (4) through an opening at the top of the floor (2), and a telescopic structure is installed at the bottom of the fixing plate (4); The telescopic structure comprises a threaded cylinder (8), a threaded rod (9), a driven gear (19), a fixed shell (7) and a driving rod (6); The top of the threaded rod (9) is fixedly connected to the bottom of the fixing plate (4); the outer wall of the threaded rod (9) is threadedly connected to a threaded barrel (8); the outer wall of the threaded barrel (8) is rotatably connected to the inner wall of the mounting plate (3) via a bearing; the outer wall of the threaded barrel (8) is meshingly connected to a driven gear (19); the outer wall of the driven gear (19) is fixedly connected to a driving rod (6); the outer wall of the driving rod (6) is rotatably connected to a fixing shell (7) via a bearing; the outer wall of the fixing shell (7) is fixedly connected to the bottom of the mounting plate (3).

2. The telescopic device of the electric telescopic chorus stage according to claim 1, characterized in that: A servo motor (5) is fixedly connected to the bottom of the inner wall of the mounting frame (1); an output end of the servo motor (5) extending to one end inside the fixed shell (7) is fixedly connected to a driving gear (20); and an outer wall of the driving gear (20) is meshedly connected to an outer wall of a driven gear (19).

3. The telescopic device of the electric telescopic chorus stage according to claim 1, characterized in that: The bottom of the first support plate (12) is fixedly connected to a support plate (11), and the bottom of the support plate (11) is fixedly connected to the top of the fixed plate (4).

4. The telescopic device of the electric telescopic chorus stage according to claim 1, characterized in that: The bottoms of the second support plate (13) and the third support plate (14) are respectively fixedly connected to support columns (16); the outer walls of the support columns (16) are plugged with fixed columns (10); the bottoms of the fixed columns (10) are fixedly connected to the tops of the fixed plates (4); the bottoms of the support columns (16) are fixedly connected to hydraulic rods (18); the bottoms of the hydraulic rods (18) are fixedly connected to the bottoms of the inner walls of the fixed columns (10); the hydraulic rods (18) are electrically connected to hydraulic cylinders (17); the outer walls of the hydraulic cylinders (17) are fixedly connected to the outer walls of the mounting frame (1).

5. The telescopic device of the electric telescopic chorus stage according to claim 4, characterized in that: The inner wall of the support column (16) is slidably engaged with a connecting rod (15), and one end of the connecting rod (15) is rotatably connected to the inner wall of the support plate (11).

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