CN218248510U - Linkage type lifting system for stage split curtain - Google Patents

Abstract

The utility model belongs to a coordinated type operating system for stage is to opening curtain, including curtain truss, truss elevating system, lift drive equipment and truss equipment that opens and shuts, curtain truss upper end be equipped with truss elevating system, the left end of curtain truss is equipped with the clutch, truss elevating system right-hand member be equipped with lift drive equipment, truss elevating system's left end is equipped with the diverting pulley that runs from opposite directions, clutch below be equipped with the truss equipment that opens and shuts, the clutch top is equipped with the diverting pulley that runs from opposite directions, the utility model discloses an establish the elevating system at curtain truss top, control reciprocating of curtain, the electrical switch of elevating system's electrical switch relevant clutch and truss mechanism that opens and shuts simultaneously realizes that elevating system passes through the closed truss of clutch when removing to the restriction of mechanism that opens and shuts, can be free reciprocating, clutch automatic disconnection when elevating system stopped to remove, the mechanism that opens and shuts can open and shut the curtain truss with opening and shutting.

Description

Linkage type lifting system for stage split curtain

Technical Field

The utility model belongs to the technical field of stage curtain operating system, concretely relates to a coordinated type operating system for stage is to opening curtain.

Background

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, and the effect that improves the performance effect widely used curtain on present stage mainly has the kind such as stage main curtain, two curtains, three curtains, eaves curtain, horizontal side curtain, screen curtain, backdrop, sound absorption curtain, cascade curtain, side curtain, safe fire prevention curtain.

The curtain is a door of a stage, and is mainly used for starting and stopping the performance. The curtain is opened in three modes of horizontal split, butterfly split and lifting. Traditional curtain is the staff mostly at the rear of curtain, through the cooperation of rope and pulley to the mode of dragging, carries out the translation operation that goes up and down. The dynamics of pulling is hardly controlled to the manual work of traditional mode, hardly masters and pulls the curtain to the required time in concrete position, consequently, artifical dependence is strong, at whole in-process, is difficult to control the intermittent time of performance.

In order to solve the problems, some current machines are used for improving the efficiency of lifting the curtain, but most of the current machines need high installation precision and complex structures, and also need to meet the requirements of opening and closing movement of the curtain, the mechanical curtain lifting can interfere with an opening and closing movement device of the curtain, the weight of the curtain and a curtain truss is very heavy, if the curtain falls, a serious safety accident is caused, so a curtain lifting system with high precision and safety stability is needed, and the curtain lifting system can be linked with the opening and closing of the curtain, and the opening and closing mechanism of the curtain can not be interfered when the curtain is lifted.

SUMMERY OF THE UTILITY MODEL

The utility model belongs to a coordinated type operating system for stage is to opening curtain, including curtain truss, truss elevating system, lift drive equipment and truss equipment that opens and shuts, curtain truss upper end be equipped with truss elevating system, the left end of curtain truss is equipped with the clutch, truss elevating system right-hand member be equipped with lift drive equipment, truss elevating system's left end is equipped with run-off steering pulley, clutch below be equipped with the truss equipment that opens and shuts, the clutch top is equipped with run-off steering pulley, through establishing the elevating system at curtain truss top, controls reciprocating of curtain, elevating system's the electrical switch of associated clutch of opening and shutting simultaneously and truss mechanism realizes that elevating system passes through the closed truss of clutch when removing to the restriction of mechanism that opens and shuts, can freely reciprocate, clutch automatic disconnection when elevating system stop moving, the mechanism that opens and shuts can open and shut the curtain truss with opening and shutting.

The curtain truss overlaps continuously for two truss section bars front and back parallels, and the front side truss section bar left end of curtain truss is equipped with the clutch, and the curtain truss is parallel to each other with truss elevating system, truss elevating system link to each other with the curtain truss, keep parallel through curtain truss and truss elevating system, can guarantee that the curtain truss can the vertically reciprocate, produce the problem of skew or shake when can not going up and down again.

Truss elevating system is including fixed roof-rack, lift lewis point pulley and lift wire rope, fixed roof-rack be on a parallel with the curtain truss and establish in the top of curtain truss, the top of fixed roof-rack is equipped with a plurality of lift lewis point pulleys, the lift lewis point pulley vertical establish in fixed roof-rack top, be equipped with the lift steel wire in the pulley groove of lift lewis point pulley, lift wire rope pass lift lewis point pulley and link to each other with the curtain truss, lift wire rope's one end links to each other with the top of curtain truss, lift wire rope's the other end links to each other with lift drive equipment, confirms elevating system's reference support through fixed roof-rack to lift lewis point pulley is equipped with a plurality ofly, can be even share with the power on the curtain truss, prevents that the atress is uneven to the degree of wear of lift wire rope and lift lewis point pulley all diverse, thereby produces the potential safety hazard.

The lifting driving device comprises a multi-axis roller and a driving motor, wherein a plurality of lines of rollers are coaxially arranged on the multi-axis roller, the lines of rollers are connected with a lifting steel wire rope, the bottom of each line of rollers is flush with the top of a lifting hanging point pulley, the right end of each line of rollers is connected with the driving motor, the coaxial multi-axis rollers are used for ensuring that the steel wire rope which is wound and unwound cannot be wound or lifted smoothly due to the problem of multiple strands of ropes, the winding and unwinding speeds of all the steel wire ropes can be controlled by only one motor, and potential safety hazards caused by the starting of multiple motors or the inconsistent rotation speed of the curtain truss cannot be generated.

The truss opening and closing device is connected with the clutch and the split steering pulleys in series, the truss opening and closing device is connected with the upper portion of the stage ground, the circle center of the split steering pulleys is horizontally collinear with the circle center of the lifting hoisting point pulley, and the truss can be opened or closed through the clutch, so that the truss opening and closing device cannot be influenced by the lifting of the curtain truss, the lifting and opening and closing steps are completely independent, the steel wire rope can also be in a fully-called tensioning state, and idle stroke cannot be generated.

Has the advantages that:

the up-and-down movement of the curtain is controlled by a lifting mechanism arranged at the top of the curtain truss, meanwhile, the electric switch of the lifting mechanism is connected with a clutch and an electric switch of a truss opening and closing mechanism, the limitation of the opening and closing mechanism on the opening and closing mechanism by the closing truss of the clutch when the lifting mechanism moves is realized, the opening and closing mechanism can open and close the curtain truss, the curtain truss can be ensured to vertically move up and down by keeping the curtain truss and the truss lifting mechanism parallel, the problem of deviation or shaking generated when the lifting mechanism is lifted is avoided, a reference support of the lifting mechanism is determined by a fixed top frame, and a plurality of lifting hanging point pulleys are arranged, so that the force on the curtain truss can be uniformly distributed, the abrasion degree of the lifting steel wire rope and the lifting hoisting point pulley is different when uneven stress is prevented, potential safety hazards are generated, the coaxial multi-axis rollers are used for ensuring that the steel wire rope which is wound and unwound can not be wound due to the problem of multi-strand ropes, the steel wire rope can not be lifted smoothly, the winding and unwinding speed of all the steel wire ropes can be controlled only by one motor, the potential safety hazards on the lifting of a curtain truss can not be generated due to the starting of multiple motors or the inconsistency of rotating speeds, the truss can be disconnected or connected through a clutch, the lifting of the curtain truss can not affect the opening and closing equipment, the lifting and the opening and closing steps are completely independent, the steel wire rope can also achieve a full-scale tensioning state, and idle stroke can not be generated.

Drawings

FIG. 1 is a schematic view of a linked lift system for stage half-curtains;

in the figure; 1. stage ground, 2, a curtain truss, 3, a fixed top frame, 4, a lifting hoisting point pulley, 5, lifting driving equipment, 6, a lifting steel wire rope, 7, truss opening and closing equipment, 8, a clutch, 9 and a split steering pulley.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

Stage ground 1, curtain truss 2, fixed roof-rack 3, lift hoisting point pulley 4, lift drive equipment 5, lift wire rope 6, truss equipment 7 that opens and shuts, clutch 8, run from opposite directions diverting pulley 9.

As shown in fig. 1;

a linkage type lifting system for a stage split curtain comprises a curtain truss 2, a truss lifting mechanism, a lifting driving device 5 and a truss opening and closing device 7, wherein the upper end of the curtain truss 2 is provided with the truss lifting mechanism, the left end of the curtain truss 2 is provided with a clutch 8, the right end of the truss lifting mechanism is provided with the lifting driving device 5, the left end of the truss lifting mechanism is provided with a split steering pulley 9, the lower part of the clutch 8 is provided with the truss opening and closing device 7, the upper part of the clutch 8 is provided with the split steering pulley 9, the curtain truss 2 is formed by overlapping and connecting two truss sectional materials in a front-back parallel manner, the left end of the front truss sectional material of the curtain truss 2 is provided with the clutch 8, the curtain truss 2 and the truss lifting mechanism are parallel to each other, the truss lifting mechanism is connected with the curtain truss 2, the truss lifting mechanism comprises a fixed top frame 3, a lifting hanging point pulley 4 and a lifting steel wire rope 6, the curtain opening and closing device is characterized in that the fixed top frame 3 is arranged above the curtain truss 2 in parallel with the curtain truss 2, a plurality of lifting hoisting point pulleys 4 are arranged above the fixed top frame 3, the lifting hoisting point pulleys 4 are vertically arranged above the fixed top frame 3, lifting steel wires are arranged in pulley grooves of the lifting hoisting point pulleys 4, the lifting steel wire ropes 6 pass through the lifting hoisting point pulleys 4 to be connected with the curtain truss 2, one ends of the lifting steel wire ropes 6 are connected with the upper part of the curtain truss 2, the other ends of the lifting steel wire ropes 6 are connected with the lifting driving device 5, the lifting driving device 5 comprises a multi-axis roller and a driving motor, a plurality of lines of rollers are coaxially arranged on the multi-axis roller, the lines of rollers are connected with the lifting steel wire ropes 6, the bottoms of the lines of the rollers are flush with the top parts of the lifting hoisting point pulleys 4, the right ends of the multi-axis rollers are connected with the driving motor, the truss opening and closing device 7 is mutually connected in series with a clutch 8 and a split steering pulley 9 through the steel wire ropes, the truss opening and closing equipment 7 is connected with the upper part of the stage ground 1, and the circle center of the split steering pulley 9 is horizontally collinear with the circle center of the lifting hoisting point pulley 4.

An implementation example;

firstly, the curtain truss 2 is moved to a corresponding position through the lifting hoisting point pulley 4 by using the lifting driving device 5, when the curtain truss 2 moves up and down, the clutch 8 is closed, and the opening and closing clutch 8 and the opening and closing driving roller are opened, so that the up and down movement of the curtain truss 2 can be realized.

When the curtain truss 2 needs to be opened and closed, the clutch 8 is opened, the opening and closing clutch 8 and the opening and closing driving roller are combined, then the opening and closing motor is started to drive the opening and closing driving roller to rotate, and the opening and closing driving roller drives the steel wire rope and the oppositely-opened steel wire rope to open or close the curtain truss 2.

When the opening and closing motor is powered off, the opening and closing clutch 8 can be automatically disconnected, and at the moment, the manual opening and closing crank is used for manually opening and closing the curtain truss 2.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a coordinated type operating system for stage is to opening curtain which characterized in that, opens and shuts the equipment including curtain truss, truss elevating system, lift drive equipment and truss, curtain truss upper end be equipped with truss elevating system, the left end of curtain truss is equipped with the clutch, truss elevating system right-hand member be equipped with lift drive equipment, truss elevating system's left end is equipped with run-to-run diverting pulley, clutch below be equipped with the truss equipment that opens and shuts, the clutch top is equipped with run-to-run diverting pulley.

2. The linked lifting system for the stage split screen according to claim 1, wherein the curtain truss is formed by overlapping two truss sections in a front-back parallel manner, a clutch is arranged at the left end of the front side truss section of the curtain truss, the curtain truss is parallel to the truss lifting mechanism, and the truss lifting mechanism is connected with the curtain truss.

3. The linked lifting system for the stage curtain, according to claim 2, wherein said truss lifting mechanism comprises a fixed top frame, lifting suspension point pulleys and a lifting steel wire rope, said fixed top frame is parallel to the curtain truss and is arranged above the curtain truss, a plurality of lifting suspension point pulleys are arranged above the fixed top frame, said lifting suspension point pulleys are vertically arranged above the fixed top frame, lifting steel wires are arranged in pulley grooves of the lifting suspension point pulleys, said lifting steel wire rope passes through the lifting suspension point pulleys and is connected with the curtain truss, one end of the lifting steel wire rope is connected with the upper part of the curtain truss, and the other end of the lifting steel wire rope is connected with the lifting driving device.

4. The linkage type lifting system for the stage curtain opening oppositely according to claim 3, wherein the lifting driving device comprises a multi-axis roller and a driving motor, the multi-axis roller is coaxially provided with a plurality of line rollers, the line rollers are connected with a lifting steel wire rope, the bottoms of the line rollers are flush with the top of the lifting hanging point pulley, and the right end of the multi-axis roller is connected with the driving motor.

5. The linkage type lifting system for the stage curtain opening oppositely according to claim 4, wherein the truss opening and closing device is connected with the clutch and the oppositely opening and turning pulley in series through a steel wire rope, the truss opening and closing device is connected with the upper part of the stage ground, and the circle center of the oppositely opening and turning pulley is horizontally collinear with that of the lifting and hanging point pulley.

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