CN210558666U

CN210558666U - Stage curtain winding and unwinding devices

Info

Publication number: CN210558666U
Application number: CN201921267448.4U
Authority: CN
Inventors: 耿家松; 杨露
Original assignee: Hangzhou Youbang Performing Arts Equipment Co ltd
Current assignee: Hangzhou Youbang Performing Arts Equipment Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-19
Anticipated expiration: 2029-08-07

Abstract

The utility model provides a stage curtain winding and unwinding devices relates to stage equipment technical field, including fixed part and movable part, the fixed part includes the fixed beam and sets up the fixed roll on the fixed beam, and the movable part includes the movable roll with the fixed roll meshing and the wind-up roll with the coaxial setting of movable roll, and the loose axle of movable roll passes through the connecting rod to be connected with the fixed axle of fixed roll, is provided with the driving motor who is connected with the connecting rod on the fixed axle. The utility model relates to a stage curtain winding and unwinding devices simple structure receive and releases fastly, and stability is strong, and the energy consumption is low, and the beam barrel wearing and tearing are little, long service life.

Description

Stage curtain winding and unwinding devices

Technical Field

The utility model relates to the technical field of stage equipment,

especially, the utility model relates to a stage curtain winding and unwinding devices.

Background

Along with the increasing abundance of cultural life, people have higher and higher requirements on stage effects in performance activities, and in order to enable performance arts to generate unusual special effects, various types of stage mechanical equipment are installed in modern various large-scale performance places and the like, and the stage mechanical equipment plays the roles of drawing dragon eyes and making a look in the stage performance.

The stage curtain is the indispensable equipment on stages such as various types of theatre movie theatre club studio and studio, and it plays the decoration stage, improves the effect of performance, and the widely used curtain mainly has the kind such as stage macrostoma, two curtains, three curtains, eaves curtain, horizontal side curtain, screen, backdrop, sound absorption curtain, cascade curtain, side curtain, safe fire prevention curtain on the present stage. The main curtain is arranged in a platform door opening, is a door of a stage and is also a main curtain of the stage. The curtain lifting mechanism is mainly used for starting and stopping the performance and is also used as a field curtain sometimes, the curtain pulling machine for the large curtain is one of the most frequently used devices on the stage, and the existing curtain lifting mechanism adopts a motor to drive a rotating shaft to rotate so as to realize the winding or releasing of the curtain, and if the curtain is large-area and large-span. In order to realize rapid lifting, the lifting device can only realize the lifting by improving the driving force of the motor, more electric energy needs to be consumed, the rotating speed of the motor is too fast, the abrasion of the rotating shaft is serious, and the service life is short.

Therefore, in order to solve the above problems, it is necessary to design a reasonable stage curtain retracting device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, it is fast to receive and release, and stability is strong, and the energy consumption is low, and the beam barrel wearing and tearing are little, long service life's stage curtain winding and unwinding devices.

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

the utility model provides a stage curtain winding and unwinding devices, includes fixed part and movable part, the fixed part include the fixed beam with set up in the last fixed roll of fixed beam, the movable part include with the movable roll of fixed roll meshing and with the wind-up roll of the coaxial setting of movable roll, the loose axle of movable roll pass through the connecting rod with the fixed axle of fixed roll is connected, be provided with on the fixed axle with the driving motor that the connecting rod is connected.

As the utility model discloses a preferred, the diameter of activity roller is less than the diameter of fixed roll.

As the utility model discloses a preferred, the diameter of activity roller is less than the diameter of wind-up roll.

As the utility model discloses a preferred, the quantity of fixed roll is two, and two the fixed roll respectively with the both ends of activity roller are connected.

As the utility model discloses a preferred, the wind-up roll below is provided with the auxiliary roller, the quantity of auxiliary roller is two, and two be equipped with the gap between the auxiliary roller.

As the utility model discloses a preferred, the auxiliary roller through hang the rope with the fixed beam is connected.

As the utility model discloses a preferred, the auxiliary roller through hang the rope with movable roller end connection.

Preferably, the auxiliary roller is covered with a rubber member.

As the utility model discloses a preferred, be provided with on the fixed beam and be used for the restriction the limiting plate of activity roller turned position.

As the utility model discloses a preferred, the limiting plate has at least partly for the arc.

As the utility model discloses a preferred, driving motor is brushless rotating electrical machines.

The utility model relates to a stage curtain winding and unwinding devices beneficial effect lies in: simple structure, high retraction speed, strong stability, low energy consumption, small abrasion of the shaft roller and long service life.

Drawings

Fig. 1 is a schematic structural view of a stage curtain winding and unwinding device of the present invention;

fig. 2 is a schematic side view of the stage curtain winding and unwinding device of the present invention when the curtain is unfolded;

fig. 3 is a schematic side view of the stage curtain winding and unwinding device of the present invention when the curtain is wound up;

in the figure: 1. fixed part, 11, fixed beam, 12, fixed roller, 121, fixed axle, 122, driving motor, 13, limiting plate, 2, movable part, 21, movable roller, 211, movable shaft, 22, wind-up roll, 23, connecting rod, 24, auxiliary roller, 241, hang the rope.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Along with cultural life's richness day by day, people are more and more high to the requirement of stage effect in the performance activity, the stage curtain is the indispensable equipment on various types of stages such as theatre, auditorium club studio, etc., it plays and decorates the stage, improve the effect of performance, present stage curtain lift in-process, the curtain machine is one of the most frequent equipment of use on the stage to draw the curtain, current curtain elevating system, all adopt the motor to drive the pivot rotation, realize that the curtain is convoluteed or released, if the curtain of large tracts of land large-span. In order to realize rapid lifting, the lifting device can only realize the lifting by improving the driving force of the motor, more electric energy needs to be consumed, the rotating speed of the motor is too fast, the abrasion of the rotating shaft is serious, and the service life is short.

The first embodiment is as follows: as shown in fig. 1 to 3, it is only one of them embodiment of the present invention, a stage curtain winding and unwinding device, including fixed part 1 and movable part 2, fixed part 1 includes fixed beam 11 and set up in fixed roll 12 on the fixed beam 11, movable part 2 include with the movable roll 21 of fixed roll 12 meshing and with the wind-up roll 22 of the coaxial setting of movable roll 21, the loose axle 211 of movable roll 21 pass through connecting rod 23 with the fixed axle 121 of fixed roll 12 is connected, be provided with on the fixed axle 121 with the driving motor 122 that connecting rod 23 is connected.

The utility model discloses in, fixed part 1 is installed to the stage back timber on, and the rotation of movable part 2 plays the effect of receiving and releasing to the stage curtain.

Firstly, the structure of the fixing part 1 is provided, the fixing part 1 comprises a fixing beam 11 and a fixing roller 12 arranged on the fixing beam 11, the fixing beam 11 is fixed on the top beam of the stage, the fixing roller 12 is a cylinder fixedly connected with the fixing beam 11, the fixing roller 12 does not rotate, but the outer ring of the fixing roller 12 is circular, so that the rotation of the movable part 2 is facilitated.

Then be the structure of movable part 2, movable part 2 include with the movable roll 21 of fixed roll 12 meshing and with the wind-up roll 22 of the coaxial setting of movable roll 21, the loose axle 211 of movable roll 21 pass through connecting rod 23 with the fixed axle 121 of fixed roll 12 is connected, movable roll 21 with the fixed roll 12 meshing, and the insection between the two is corresponding each other, the loose axle 211 of movable roll 21 with the fixed axle 121 of fixed roll 12 is connected, so movable roll 21 can roll around the fixed roll 12 outer lane, also drive when movable roll 21 rotates with the wind-up roll 22 of the coaxial setting of movable roll 21 rotates, then receive and release the stage curtain on the wind-up roll 22.

And finally, controlling the retraction of the curtain, wherein the fixed shaft 121 is provided with a driving motor 122 connected with the connecting rod 23, and actually, the driving motor 122 only controls the rotation of the connecting rod 23, and the connecting rod 23 further pushes the movable roller 21 to roll around the outer ring of the fixed roller 12, so that the retraction and lifting of the curtain are controlled.

Here, the diameter of the movable roller 21 is smaller than that of the fixed roller 12, so that the movable roller 21 makes one round around the fixed roller 12, the movable roller 21 makes many turns, the wind-up roller 22 makes many turns, and the diameter of the movable roller 21 is smaller than that of the wind-up roller 22, so that the wind-up distance of the wind-up roller 22 to the curtain is longer. In a word, the movable roller 21 rotates around the fixed roller 12, the rotating angular velocity is amplified by the rotation of the movable roller 21, meanwhile, the movable roller 21 and the winding roller 22 rotate coaxially, the rotating linear velocity is amplified by the rotation of the winding roller 22, and under the two-time amplification, the winding and unwinding lifting speed of the winding roller 22 to the curtain is greatly improved.

The driving motor 122 only controls the connecting rod 23 to rotate a small angle, and the wind-up roll 22 performs a plurality of turns of large linear speed rotation to perform lifting control on the curtain at a high speed. And because the movable roller 21 is fixed and rotates around the fixed roller 12, and the fixed roller 12 is fixed, the movable roller 21 rotates and is subjected to small operation vibration of the driving motor 122, the stability is strong, the driving distance of the driving motor 122 is small, the energy consumption is low, and the service life is long.

The utility model relates to a stage curtain winding and unwinding devices simple structure receive and releases fastly, and stability is strong, and the energy consumption is low, and the beam barrel wearing and tearing are little, long service life.

Embodiment two, still as shown in fig. 1, only do the utility model discloses a one of them embodiment, in order to make the utility model relates to a stage curtain winding and unwinding devices receive and releases the effect better, and the stability is higher, the utility model discloses in still have following design:

firstly, the quantity of fixed roll 12 is two, and two fixed roll 12 respectively with the both ends of activity roller 21 are connected, guarantee that the both ends of activity roller 21 are all fixed to be connected with fixed roll 12, and it is little to rock in the activity roller 21 course of work, connects more stably.

Then, the auxiliary rollers 24 are arranged below the winding roller 22, the number of the auxiliary rollers 24 is two, and a gap is formed between the two auxiliary rollers 24, so that the curtain can conveniently pass through the gap between the two auxiliary rollers 24, when the winding roller 22 rotates to wind the curtain, the curtain needs to be rubbed between the auxiliary rollers 24 and then rises, and the situation that the rotating speed of the winding roller 22 is too high, and the curtain is deformed and damaged due to wrinkling in the winding process of the stage curtain is prevented.

Of course, the auxiliary roller 24 is covered with rubber to increase the friction between the stage curtain and the auxiliary roller 24.

Certainly, if the stage curtain expandes, curtain decline in-process, curtain decline acceleration is faster than acceleration of gravity, perhaps the curtain descends in-process and prevents the curtain further when descending with the rubber spare frictional force in the auxiliary roller 24 outside too greatly, and the curtain all can be amasss and press on 24 upper portions of two auxiliary rollers, and unable normal falling, the solution at this moment has two kinds:

the first method comprises the following steps: a motor is arranged at the end part of the auxiliary roller 24 to drive the auxiliary roller 24 to rotate, and the curtain is accelerated to be pulled down and descend through the friction force between the rubber piece at the outer side of the auxiliary roller 24 and the curtain;

and the second method comprises the following steps: in the lowering process of the curtain, the distance between the auxiliary rollers 24 is adjusted to increase the gap between the two auxiliary rollers 24, thereby reducing the friction between the curtain and the auxiliary rollers 24.

Also, the auxiliary roller 24 is connected to the fixed beam 11 by a hanging rope 241. The position of the auxiliary roller 24 is fixed. Or the auxiliary roller 24 is connected with the end part of the movable roller 21 through a hanging rope 241, so that the auxiliary roller 24 is kept below the movable roller 21 to continuously limit the curtain.

In addition, the fixed beam 11 is provided with a limit plate 13 for limiting the rotation position of the movable roller 21. That is to say, after the movable roller 21 rotates to a certain position around the fixed roller 12, the movable roller 21 is restricted from continuing to rotate, so as to ensure the limit distance for the lifting of the stage curtain, and prevent the movable roller 21 from rotating too far around the fixed roller 12, which causes the curtain to be wound on the fixed beam 11 or the fixed roller 12, and damages the stage curtain.

And, limiting plate 13 has partly for the arc at least, plays the cushioning effect to movable roller 21 during spacing movable roller 21, prevents the insection wearing and tearing on limiting plate 13, guarantees the stability of meshing between movable roller 21 and the fixed roll 12.

Finally, the driving motor 122 is a brushless motor. Make driving motor 122 promote connecting rod 23 pivoted in-process, can realize the silence work, it is little to the surrounding environment influence both to have guaranteed driving motor 122 working process, can also effectively reduce the vibration, prevents to cause the vibration wearing and tearing to connecting rod 23 and the movable roll 21 of the connecting rod 23 other end, so 2 life of movable part is longer, and stage curtain lift control accuracy is higher.

The present invention is not limited to the above-described specific embodiments, and various modifications and changes are possible. Any modification, equivalent replacement, improvement and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. The utility model provides a stage curtain winding and unwinding devices which characterized in that: including fixed part (1) and movable part (2), fixed part (1) including fixed beam (11) with set up in fixed roller (12) on fixed beam (11), movable part (2) include with movable roller (21) of fixed roller (12) meshing and with wind-up roll (22) of the coaxial setting of movable roller (21), the loose axle (211) of movable roller (21) pass through connecting rod (23) with fixed axle (121) of fixed roller (12) are connected, be provided with on fixed axle (121) with driving motor (122) that connecting rod (23) are connected.

2. A stage curtain retraction device according to claim 1, wherein: the diameter of the movable roller (21) is smaller than that of the fixed roller (12).

3. A stage curtain retraction device according to claim 2, wherein: the diameter of the movable roller (21) is smaller than that of the winding roller (22).

4. A stage curtain retraction device according to claim 1, wherein: the number of the fixed rollers (12) is two, and the two fixed rollers (12) are respectively connected with the two ends of the movable roller (21).

5. A stage curtain retraction device according to claim 1, wherein: and an auxiliary roller (24) is arranged below the winding roller (22), the number of the auxiliary rollers (24) is two, and a gap is formed between the auxiliary rollers (24).

6. A stage curtain retraction device according to claim 5, wherein: the auxiliary roller (24) is connected with the fixed beam (11) through a hanging rope (241).

7. A stage curtain retraction device according to claim 5, wherein: the outer side of the auxiliary roller (24) is coated with a rubber piece.

8. A stage curtain retraction device according to claim 1, wherein: and the fixed beam (11) is provided with a limiting plate (13) for limiting the rotating position of the movable roller (21).

9. A stage curtain retraction device according to claim 8, wherein: at least one part of the limiting plate (13) is arc-shaped.

10. A stage curtain retraction device according to claim 1, wherein: the driving motor (122) is a brushless rotating motor.