CN218516113U - Liftable and retractable stage - Google Patents

Abstract

The utility model discloses a liftable stage that stretches out and draws back, including bearing the frame, the one side that bears the frame is provided with the lift mesa, the terminal surface is connected with lift drive module under the lift mesa, the up end that bears the frame is connected with flexible drive module, be connected with flexible mesa on the flexible drive module. The utility model discloses in, order about flexible mesa to keeping away from lift mesa direction through flexible drive module and remove, lift drive module orders about the lift mesa simultaneously and rises to make lift mesa and flexible mesa side by side, realize the expansion of stage, rethread lift drive module orders about the lift mesa and descends, and flexible drive module stacks in the top of lift mesa simultaneously, accomplishes the shrink of stage, realizes the nimble application of stage.

Description

Liftable and retractable stage

Technical Field

The utility model relates to a stage machinery telescoping device especially relates to a liftable stage that stretches out and draws back.

Background

Along with the continuous propagation and the development of cultural art, the change of performance on the stage is also more and more, reaches the change that better performance effect also needs stage cooperation performance simultaneously and changes, and the stage that can extend at present often can appear difference in height, poor scheduling problem after expanding, leads to the performance still can be restricted by the stage to difference in height, poor scheduling problem can lead to the stage to have the potential safety hazard.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a liftable telescopic stage, which can solve the problems of height difference and width difference of the existing stage capable of being expanded.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting telescopic stage comprises a bearing frame, wherein a lifting table top is arranged on one side of the bearing frame, the lower end face of the lifting table top is connected with a lifting driving module, the upper end face of the bearing frame is connected with a telescopic driving module, and the telescopic driving module is connected with a telescopic table top; the telescopic driving module is used for driving the telescopic table top to be in one state of being stacked above the lifting table top and being aligned and arranged on the lifting table top; the lifting driving module is used for driving the lifting table top to be in one state of being retracted below the telescopic table top and being parallel and arranged on the telescopic table top.

Preferably, the lifting driving module comprises a plurality of first rack transmission boxes, the rack part of each first rack transmission box is connected with the lower end face of the lifting table board, the first rack transmission boxes are distributed in an array mode, the input end of each first rack transmission box is connected with a first coupler, one end, far away from the first rack transmission box, of each first coupler is connected with a speed reducer, and the input end of each speed reducer is connected with a lifting driving motor.

Preferably, the lifting table further comprises a plurality of second rack transmission boxes, the rack parts of the second rack transmission boxes are connected with the lower end face of the lifting table, the second rack transmission boxes are distributed in an array mode, and a first transition shaft is connected between the second rack transmission boxes and the first rack transmission boxes.

Preferably, the telescopic driving module comprises a telescopic driving motor, a second coupler, a second transition shaft, a telescopic gear and a telescopic rack, the telescopic rack is fixedly connected to the lower end face of the telescopic table top from the bearing frame to the direction far away from the lifting table top, the output end of the telescopic driving motor is connected with the telescopic gear through the second coupler and the second transition shaft in sequence, and the telescopic gear is meshed with the telescopic rack.

Preferably, still include the stopper, the stopper with bear the frame and be connected, the lower terminal surface of flexible mesa corresponds the response portion of stopper near the one end of lift mesa and is provided with first spacing touch piece, the lower terminal surface of flexible mesa is kept away from the response portion that the one end of lift mesa corresponds the stopper and is provided with the spacing touch piece of second, stopper and first spacing touch piece and the spacing touch piece of second one of them butt.

Preferably, the end of the telescopic table top, which is far away from the lifting table top, is rotatably connected with a supporting wheel, the lower end face of the telescopic table top is connected with a pulley, and the pulley is movably connected with the upper end face of the lifting table top.

Compared with the prior art, the beneficial effects of the utility model reside in that: order about flexible mesa to keeping away from lift mesa direction through flexible drive module and remove, lift drive module orders about the lift mesa simultaneously and rises to make lift mesa and flexible mesa parallel and level side by side, realize the expansion of stage, rethread lift drive module orders about the lift mesa and descends, and flexible drive module stacks in the top of lift mesa simultaneously, accomplishes the shrink of stage, realizes the flexibility of stage and should.

Drawings

Fig. 1 is a schematic structural view of the parallel state of the lifting telescopic stage in the utility model.

Fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is an enlarged schematic view of the region C of fig. 1.

Fig. 4 is a schematic structural view of the lift driving module of the present invention.

Fig. 5 is a schematic view of the stacked state of the stage with telescopic and liftable frame of the present invention.

Fig. 6 is a sectional view taken along the line B-B of fig. 5.

In the figure: 1-a bearing frame; 2, lifting the table top; 3-a lifting driving module; 31-a first rack gear box; 32-a first coupling; 33-a speed reducer; 34-a lifting drive motor; 35-a second rack gear box; 36-a first transition axis; 4-a telescopic driving module; 41-telescopic driving motor; 42-a retractable gear; 43-a telescopic rack; 5-a telescopic table top; 51-a stopper; 52-first limit touch block; 53-support wheels; 54-pulley.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-6, a liftable stage comprises a bearing frame 1, wherein a lifting table top 2 is arranged on one side of the bearing frame 1, a lifting driving module 3 is connected to the lower end surface of the lifting table top 2, a telescopic driving module 4 is connected to the upper end surface of the bearing frame 1, and a telescopic table top 5 is connected to the telescopic driving module 4; the telescopic driving module 4 is used for driving the telescopic table top 5 to be in one state of being stacked above the lifting table top 2 (as shown in figure 5) and being aligned and arranged on the lifting table top 2 (as shown in figure 1); the lifting driving module 3 is used for driving the lifting table top 2 to be in one state of being contracted below the telescopic table top 5 and being parallel and arranged on the telescopic table top 5. In this embodiment, order about flexible mesa 5 through flexible drive module 4 and remove to keeping away from 2 directions of lift mesa, lift drive module 3 orders about lift mesa 2 simultaneously and rises to make lift mesa 2 and 5 parallel and level of flexible mesa side by side, realize the expansion of stage, rethread lift drive module 3 orders about lift mesa 2 and descends, flexible drive module 4 stacks in the top of lift mesa 2 simultaneously, accomplish the shrink of stage, realize the nimble application of stage. Preferably, the lower end surface of the telescopic table top 5 is connected with a pulley 54, the pulley 54 is movably connected with the upper end surface of the lifting table top 2, and the pulley 54 reduces friction between the lifting table top 2 and the telescopic table top 5, so that the telescopic table top 5 can be more smoothly stretched.

Specifically, flexible drive module 4 includes flexible driving motor 41, second shaft coupling, the excessive axle of second, telescopic gear 42 and telescopic rack 43, telescopic rack 43 is from bearing frame 1 to keeping away from lift mesa 2 direction fixed connection at the lower terminal surface of telescopic mesa 5, flexible driving motor 41's output loops through the second shaft coupling, the excessive axle of second is connected with telescopic gear 42, telescopic gear 42 and the meshing of telescopic rack 43. In this embodiment, flexible driving motor 41 loops through second shaft coupling, the excessive axle of second orders about expansion gear 42 and rotates to make expansion gear 42 order about flexible mesa 5 through flexible rack 43 and remove to the direction of keeping away from lift mesa 2, preferably, still include stopper 51, stopper 51 is connected with bearing frame 1, the lower terminal surface of flexible mesa 5 is close to the one end of lift mesa 2 and corresponds the induction part of stopper 51 and be provided with first spacing touch piece 52, the lower terminal surface of flexible mesa 5 is kept away from the one end of lift mesa 2 and corresponds the induction part of stopper 51 and be provided with the spacing touch piece of second, stopper 51 and first spacing touch piece 52 and the spacing touch piece of second butt. In the present embodiment, when the stopper 51 abuts against the first limit contact block 52, the telescopic driving motor 41 stops rotating, and the projection of the telescopic table top 5 and the lifting table top 2 on the horizontal plane is tangent. Preferably, the end of the telescopic table top 5 far from the lifting table top 2 is rotatably connected with a supporting wheel 53, so that when the telescopic table top 5 extends outwards, the supporting wheel 53 provides support and ensures that the telescopic table top 5 moves outwards uniformly.

Specifically, lift drive module 3 includes a plurality of first rack gear boxes 31, the rack portion of first rack gear box 31 is connected with the lower terminal surface of lift mesa 2, first rack gear box 31 is the array distribution, first rack gear box 31's input is connected with first shaft coupling 32, the one end that first rack gear box 31 was kept away from to first shaft coupling 32 is connected with speed reducer 33, the input of speed reducer 33 is connected with lift driving motor 34. A plurality of second rack gear boxes 35 are further arranged on the periphery of the first rack gear box 31 (in the direction away from the lifting driving motor 34), rack portions of the second rack gear boxes 35 are connected with the lower end face of the lifting table top 2, the second rack gear boxes 35 are distributed in an array mode, and first transition shafts 36 are connected between the second rack gear boxes 35 and the first rack gear box 31. In this embodiment, the torque is transmitted to the first coupler 32 by the lifting driving motor 34 through the speed reducer 33, the first coupler 32 drives the gear inside the first rack transmission case 31 to rotate, so that the rack portion of the first rack transmission case 31 lifts the lifting table top 2 upwards, and meanwhile, the torque obtained by the first rack transmission case 31 is transmitted to the second rack transmission case 35 by the first transition shaft 36, so that the rack portion of the second rack transmission case 35 lifts the lifting table top 2 upwards, so that the lifting table top 2 is lifted to a height flush with the telescopic table top 5, and the first transition shaft and the second transition shaft are arranged in parallel, thereby achieving the purpose of expanding the size of the stage.

In this embodiment, when a large stage is needed, the telescopic driving motor 41 sequentially passes through the second coupler, the second transition shaft drives the telescopic gear 42 to rotate, so that the telescopic gear 42 drives the telescopic table 5 to move in a direction away from the lifting table 2 through the telescopic rack 43, when the stopper 51 abuts against the first limit contact block 52, the telescopic driving motor 41 stops rotating, at this time, the projection of the telescopic table 5 and the lifting table 2 on the horizontal plane is tangent, then the lifting driving motor 34 transmits the torque to the first coupler 32 through the reducer 33, the first coupler 32 drives the gear inside the first rack transmission case 31 to rotate, so that the rack part of the first rack transmission case 31 lifts the lifting table 2 upwards, and meanwhile, the first transition shaft 36 transmits the torque obtained by the first rack transmission case 31 to the second rack transmission case 35, so that the rack part of the second rack transmission case 35 lifts the lifting table 2 upwards, so that the lifting table 2 is lifted to a height level with the telescopic table 5, and is arranged in parallel, and the purpose of expanding the size of the stage is achieved. When the stage is reduced, the lifting driving motor 34 transmits torque to the first coupler 32 through the speed reducer 33, the first coupler 32 drives the gear inside the first rack transmission case 31 to rotate reversely, so that the rack part of the first rack transmission case 31 lowers the lifting table top 2 downwards, meanwhile, the first transition shaft 36 transmits the torque obtained by the first rack transmission case 31 to the second rack transmission case 35, so that the rack part of the second rack transmission case 35 lowers the lifting table top 2 downwards at the same time, so that the lifting table top 2 is reset, then the telescopic driving motor 41 sequentially passes through the second coupler, the second transition shaft drives the telescopic gear 42 to rotate, so that the telescopic gear 42 drives the telescopic table top 5 to move towards the lifting table top 2 through the telescopic rack 43, when the stopper 51 abuts against the second limit contact block, the telescopic driving motor 41 stops rotating, at the moment, the telescopic table top 5 is stacked above the lifting table top 2, so that the size of the stage changes, the height and the width of the stage are kept constant, and the stage can be flexibly applied according to actual requirements.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (6)

1. The utility model provides a liftable stage that stretches out and draws back, includes and bears the frame, its characterized in that: a lifting table board is arranged on one side of the bearing frame, the lower end face of the lifting table board is connected with a lifting driving module, the upper end face of the bearing frame is connected with a telescopic driving module, and the telescopic driving module is connected with a telescopic table board; the telescopic driving module is used for driving the telescopic table top to be in one of the states of being stacked above the lifting table top and being parallel and arranged on the lifting table top; the lifting driving module is used for driving the lifting table top to be in one state of being retracted below the telescopic table top and being parallel and arranged on the telescopic table top.

2. A liftable stage according to claim 1, wherein: the lifting driving module comprises a plurality of first rack transmission boxes, the rack portions of the first rack transmission boxes are connected with the lower end face of the lifting table board, the first rack transmission boxes are distributed in an array mode, the input ends of the first rack transmission boxes are connected with first couplers, one ends, far away from the first rack transmission boxes, of the first couplers are connected with speed reducers, and the input ends of the speed reducers are connected with lifting driving motors.

3. A liftable stage according to claim 2, wherein: the lifting table is characterized by further comprising a plurality of second rack transmission boxes, the rack portions of the second rack transmission boxes are connected with the lower end face of the lifting table, the second rack transmission boxes are distributed in an array mode, and a first transition shaft is connected between the second rack transmission boxes and the first rack transmission boxes.

4. A liftable stage according to claim 1, wherein: the telescopic driving module comprises a telescopic driving motor, a second coupler, a second transition shaft, a telescopic gear and a telescopic rack, the telescopic rack is fixedly connected to the lower end face of the telescopic table top from the bearing frame to the position far away from the direction of the lifting table top, the output end of the telescopic driving motor sequentially passes through the second coupler, the second transition shaft and the telescopic gear, and the telescopic gear is meshed with the telescopic rack.

5. A liftable stage according to claim 4, wherein: still include the stopper, the stopper with bear the frame and be connected, the lower terminal surface of flexible mesa corresponds the response portion of stopper near the one end of lift mesa and is provided with first spacing touch piece, the lower terminal surface of flexible mesa is kept away from the response portion that the one end of lift mesa corresponds the stopper and is provided with the spacing touch piece of second, stopper and first spacing touch piece and the spacing touch piece of second one of them butt.

6. A liftable stage according to claim 1, wherein: the telescopic table top is characterized in that one end, far away from the lifting table top, of the telescopic table top is rotatably connected with a supporting wheel, the lower end face of the telescopic table top is connected with a pulley, and the pulley is movably connected with the upper end face of the lifting table top.

Images