CN220877730U - Stage curtain elevating gear - Google Patents

Abstract

The utility model discloses a stage curtain lifting device, which relates to the technical field of curtain lifting and comprises a base, wherein a hollow column is fixedly connected to the top of the base, a limiting mechanism is arranged on one side surface of the hollow column, a first pulley is rotatably connected to the inner wall of the hollow column, a second pulley is rotatably connected to the other side of the inner wall of the hollow column, and a sliding block is slidably connected to the inner part of the hollow column. The utility model has reasonable design structure, can lead the ropes to be distributed in the cavity of the hollow column by arranging two communicated cavities above the base and supporting the two pulleys, and is provided with a limiting mechanism at the opening of the hollow column, further protect the ropes inside the hollow column, avoid the damage of external sharp objects to the ropes, solve the problems that the existing ropes are exposed outside, have poor protection effect on the ropes, damage to the ropes caused by the accidental touching of the external sharp objects to the ropes, and reduce the service life of the ropes.

Description

Stage curtain elevating gear

Technical Field

The utility model relates to the technical field of curtain lifting, in particular to a stage curtain lifting device.

Background

The curtain is a large-block cloth, thick, velvet and the like which are hung on a stage and used for act in a play or showing films, a called backdrop, called side curtains at two sides of the stage and called large curtains or curtains in front of the stage, and the curtain is driven to fall by a driving motor when one theatre on the stage is completed, and is lifted and opened again when the next theatre begins.

A stage curtain lifting device with the publication number of CN209917273U is installed and supported by a supporting plate, pulleys are installed above the stage curtain lifting device, one end of a rope is rotated and wound by an alternating current motor under control, and the other end of the rope is supported by the pulleys at the top, so that the other end of the rope moves upwards and drives the curtain to move upwards, and the control of the curtain is realized.

Although the winding of the rope can be controlled conveniently to lift and control the curtain structure, the rope is exposed outside, the protection effect on the rope is poor, the rope is damaged when the sharp object in the outside is mistakenly touched with the rope, the service life of the rope is reduced, and therefore, the stage curtain lifting device is provided to solve the problems.

Disclosure of utility model

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides a stage curtain lifting device.

Two) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stage curtain elevating gear, includes the base, the top fixedly connected with cavity post of base, limiting mechanism has been seted up to one side of cavity post, the inner wall rotation of cavity post is connected with first pulley, the opposite side rotation of cavity post inner wall is connected with the second pulley, the inside sliding connection of cavity post has the slider, a side fixedly connected with horizontal pole of slider, the bottom fixedly connected with curtain of horizontal pole, the one end of the top fixedly connected with rope of slider, the surface and the surface sliding connection of first pulley of rope, the surface and the surface sliding connection of second pulley of rope, the other end of rope is provided with actuating mechanism.

Further, the limiting mechanism comprises a fixing frame, one side face of the fixing frame is fixedly connected with the top of the hollow column, and the bottom of the fixing frame is fixedly connected with the upper surface of the base.

Further, a connecting rod is arranged on one side of the fixing frame, and a magnetic pad is connected to the inner wall of the fixing frame in a sliding manner.

Further, the surface rotation of magnetic pad is connected with the roller bearing, the quantity of magnetic pad is a plurality of, and two adjacent magnetic pad are relative one side each other repulses from top to bottom, the shape of magnetic pad is cylindrical, the circular centre of a circle of magnetic pad is located the inside of mount.

Further, the inner wall of the hollow column is fixedly connected with a flow guiding frame, and the flow guiding frame is positioned between the top and the first pulley and the second pulley below to form an isosceles triangle.

Further, the driving mechanism comprises a motor, one side surface of the motor is fixedly connected with the outer surface of the base, an output shaft of the motor is fixedly connected with a rotating frame, and the outer surface of the rotating frame is fixedly connected with one end of the rope.

Further, a limiting frame is arranged above the rotating frame, and the outer surface of the limiting frame is fixedly connected with the inner wall of the base.

Third), beneficial effects:

Compared with the prior art, the stage curtain lifting device has the following beneficial effects:

1. According to the utility model, two communicated cavities are arranged above the base, the ropes are distributed in the cavities of the hollow column under the support of the first pulley and the second pulley, and the limiting mechanism is arranged at the opening of the hollow column, so that the ropes are further protected inside the hollow column, damage to the ropes caused by sharp objects outside the ropes is avoided, the problems that the existing ropes are exposed outside, the protection effect on the ropes is poor, damage to the ropes is caused when sharp objects outside touch the ropes by mistake, and the service life of the ropes is reduced are solved.

2. According to the curtain fixing device, the two ropes are arranged on two sides of the curtain, so that the fixing stability of the curtain is improved, the flow guiding frame is arranged at the communication position of the two cavities of the hollow column, the flow guiding frame is circular, meanwhile, the limiting frame is arranged at the joint of the base and the hollow column, the ropes are further limited, the two ropes are limited, and the mutual interference of the two ropes is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a fixing frame according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a hollow column according to the present utility model;

FIG. 4 is a schematic perspective view of a flow guiding frame according to the present utility model;

FIG. 5 is a schematic view of a cross-sectional structure of a base of the present utility model;

Fig. 6 is an enlarged schematic view of the structure a of fig. 5 according to the present utility model.

In the figure: 1. a base; 2. a hollow column; 3. a restriction mechanism; 301. a fixing frame; 302. a roller; 303. a magnetic pad; 4. a connecting rod; 5. a cross bar; 6. a curtain; 7. a driving mechanism; 701. a motor; 702. a rotating frame; 703. a limiting frame; 8. a flow guiding frame; 9. a rope; 10. a first pulley; 11. a second pulley; 12. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a stage curtain elevating gear, including base 1, the top fixedly connected with cavity post 2 of base 1, restriction mechanism 3 has been seted up to one side of cavity post 2, restriction mechanism 3 includes mount 301, the top fixed connection of one side and cavity post 2 of mount 301, the bottom of mount 301 and the last fixed surface of base 1 are connected, the top shape of mount 301 is triangle-shaped, and the cavity has been seted up in triangle-shaped's part inside, one side of mount 301 is provided with connecting rod 4, the inner wall sliding connection of mount 301 has magnetic pad 303, the surface of the both ends department of connecting rod 4 is provided with the screw thread, make connecting rod 4 connect on two mounts 301, further because mount 301 is fixed on cavity post 2, form a portal, improve the support stability to curtain 6, the inner wall rotation of cavity post 2 is connected with first pulley 10, the opposite side rotation of cavity post 2 inner wall is connected with second pulley 11, the inside sliding connection of cavity post 2 has slider 12.

A cross rod 5 is fixedly connected to one side surface of the sliding block 12, a curtain 6 is fixedly connected to the bottom of the cross rod 5, one end of a rope 9 is fixedly connected to the top of the sliding block 12, a roller 302 is rotatably connected to the outer surface of each magnetic pad 303, a plurality of magnetic pads 303 are arranged, the upper and lower opposite side surfaces of two adjacent magnetic pads 303 repel each other, each magnetic pad 303 is cylindrical, the circular center of the magnetic pad 303 is positioned in the fixing frame 301, the magnetic pad 303 is arranged on the fixing frame 301 through the circular magnetic pad 303, the magnetic force component between the two adjacent magnetic pads 303 from top to bottom is increased, the magnetic force between the magnetic pads 303 below is matched with the weight of the magnetic pad 303 above the magnetic pad 303 and the roller 302, so that the magnetic pad 303 at the lower part supports the magnetic pad 303 at the upper part, a plurality of magnetic pads 303 form intervals, a plurality of rollers 302 form a barrier to be arranged at the opening of the hollow column 2, the rope 9 is convenient to protect, the outer surface of the rope 9 is in sliding connection with the outer surface of the first pulley 10, the outer surface of the rope 9 is in sliding connection with the outer surface of the second pulley 11, the inner wall of the hollow column 2 is fixedly connected with a guide frame 8, the guide frame 8 is positioned between the top and the first pulley 10 and the second pulley 11 at the lower part to form an isosceles triangle, the middle part of the guide frame 8 is in a circular shape, the rope 9 is supported by the isosceles triangle, the limiting effect is achieved on the rope 9, and two ropes 9 are prevented from being crossed and knotted.

The other end of rope 9 is provided with actuating mechanism 7, actuating mechanism 7 includes motor 701, a side and the surface fixed connection of base 1 of motor 701, the output shaft fixedly connected with rotating turret 702 of motor 701, the surface of rotating turret 702 and the one end fixed connection of rope 9, it is rotatory to drive rotating turret 702 through motor 701, make rotating turret 702 rotate in twine rope 9, thereby wind rope 9, and then drive the one end motion of rope 9, drive curtain 6 upward movement, the top of rotating turret 702 is provided with limit frame 703, limit frame 703's surface and the inner wall fixed connection of base 1, be convenient for install subaerial through base 1, support elevating gear, limit frame 703 cover is established in rope 9 outside, the rotating turret 702 middle part is the disc simultaneously, be convenient for cut apart the rolling to two ropes 9.

Working principle: the rotating frame 702 is driven to rotate through the output end of the motor 701, meanwhile, the middle part of the rotating frame 702 is disc-shaped, meanwhile, the end parts of two ropes 9 are fixed on two sides of the disc of the rotating frame 702, one end of the rotating frame 702, which is positioned on the ropes 9, winds the ropes 9, meanwhile, the other end of the ropes 9 firstly upwards penetrates through a circular hole of the limiting frame 703, extends upwards in one cavity of the hollow column 2, penetrates through the first pulley 10, the second pulley 11 and the flow guiding frame 8, and forms an isosceles triangle, so that the isosceles triangle is distributed along the waist and the vertex of the isosceles triangle, extends downwards in the other cavity of the hollow column 2, then the end parts are fixed on the sliding blocks 12, the ropes 9 are shielded and protected, avoid sharp object to cut rope 9, simultaneously after the one end rolling winding of rope 9 is on rotating turret 702, the other end drives slider 12 upward movement, make slider 12 further drive horizontal pole 5 upward movement, and then make horizontal pole 5 drive curtain 6 upward movement, realize the lift to curtain 6, the top of horizontal pole 5 is provided with roller 302 simultaneously, make roller 302 both ends all be provided with magnetic pad 303, and the opposite side magnetism mutual exclusion of upper and lower adjacent magnetic pad 303, make magnetic pad 303 and roller 302 distribute on horizontal pole 5, and set up in cavity post 2 one side opening part with the help of mount 301, form the barrier in one side of rope 9 and further play the guard action.

Claims (7)

1. Stage curtain elevating gear, including base (1), its characterized in that: the utility model discloses a novel structure of a rope for a bicycle, including base (1), restriction mechanism (3) have been seted up to the top fixedly connected with cavity post (2) of base (1), the inner wall rotation of cavity post (2) is connected with first pulley (10), the opposite side rotation of cavity post (2) inner wall is connected with second pulley (11), the inside sliding connection of cavity post (2) has slider (12), a side fixedly connected with horizontal pole (5) of slider (12), the bottom fixedly connected with curtain (6) of horizontal pole (5), the one end of the top fixedly connected with rope (9) of slider (12), the surface of rope (9) and the surface sliding connection of first pulley (10), the surface of rope (9) and the surface sliding connection of second pulley (11), the other end of rope (9) is provided with actuating mechanism (7).

2. A stage curtain lifting device according to claim 1, wherein: the limiting mechanism (3) comprises a fixing frame (301), one side surface of the fixing frame (301) is fixedly connected with the top of the hollow column (2), and the bottom of the fixing frame (301) is fixedly connected with the upper surface of the base (1).

3. A stage curtain lifting device according to claim 2, wherein: one side of the fixing frame (301) is provided with a connecting rod (4), and the inner wall of the fixing frame (301) is connected with a magnetic pad (303) in a sliding mode.

4. A stage curtain lifting device according to claim 3, wherein: the outer surface of the magnetic pad (303) is rotatably connected with rollers (302), the number of the magnetic pads (303) is multiple, two adjacent magnetic pads (303) are mutually repelled on the upper side and the lower side opposite to each other, the shape of the magnetic pad (303) is cylindrical, and the circular center of the magnetic pad (303) is located inside the fixing frame (301).

5. A stage curtain lifting device according to claim 1, wherein: the inner wall of the hollow column (2) is fixedly connected with a flow guiding frame (8), and an isosceles triangle is formed between the top of the flow guiding frame (8) and a first pulley (10) and a second pulley (11) below the top of the flow guiding frame.

6. A stage curtain lifting device according to claim 1, wherein: the driving mechanism (7) comprises a motor (701), one side surface of the motor (701) is fixedly connected with the outer surface of the base (1), an output shaft of the motor (701) is fixedly connected with a rotating frame (702), and the outer surface of the rotating frame (702) is fixedly connected with one end of the rope (9).

7. The stage curtain lifting device of claim 6, wherein: a limiting frame (703) is arranged above the rotating frame (702), and the outer surface of the limiting frame (703) is fixedly connected with the inner wall of the base (1).