Linkage type elevator for stage split curtain

Abstract

The utility model discloses a linkage type elevator for a stage split curtain, an auxiliary mechanism comprises a fixing plate, the fixing plate is arranged on the stage ground, the top of the fixing plate is fixedly connected with a first lifting driving device and a guide pulley respectively, and the guide pulley is fixedly connected with a second lifting driving device. The two guide pulleys are symmetrically arranged left and right along the first lifting driving equipment, the first lifting driving equipment is provided with an auxiliary steel wire rope, the auxiliary steel wire rope is wound on the guide pulleys, and one end of the auxiliary steel wire rope is fixedly connected with the bottom of the curtain truss. The auxiliary steel wire ropes are wound and unwound through the first lifting driving equipment, and the auxiliary steel wire ropes are used for applying tension to the two sides below the curtain truss, so that the front-and-back shaking amplitude when the curtain truss ascends is reduced, and the use effect of the curtain is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stage curtain lifting, in particular to a linkage lifter used for stage curtain opening. Background Art

[0002] After retrieval, the Chinese patent publication number is CN218248510U, and the publication date is 2023-01-10. It discloses a linkage lifting system for stage opening and closing, including a curtain truss, a truss lifting mechanism, a lifting drive device and a truss opening and closing device. The upper end of the curtain truss is provided with a truss lifting mechanism, the left end of the curtain truss is provided with a clutch, the right end of the truss lifting mechanism is provided with a lifting drive device, the left end of the truss lifting mechanism is provided with a split steering pulley, the truss opening and closing device is provided below the clutch, and the split steering pulley is provided above the clutch. The utility model controls the up and down movement of the curtain through the lifting mechanism arranged at the top of the curtain truss. At the same time, the electrical switch of the lifting mechanism links the clutch and the electrical switch of the truss opening and closing mechanism to realize that the lifting mechanism closes the truss on the opening and closing mechanism through the clutch when moving, and can move freely up and down. When the lifting mechanism stops moving, the clutch is automatically disconnected, and the opening and closing mechanism can open and close the curtain truss. However, during use of the device, since only the upper portion of the curtain truss is subjected to the pulling force of the lifting wire rope, when the curtain truss is raised or lowered, the curtain truss sways obviously back and forth, thereby affecting the use effect of the curtain. Utility Model Content

[0003] The purpose of the utility model is to provide a linkage lifter for stage opening, so as to solve the problems mentioned in the above background technology.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A linkage lift for stage opening comprises a curtain truss and a fixed top frame arranged above the stage floor, a lifting mechanism for lifting the curtain truss is arranged on the fixed top frame, and an auxiliary mechanism for preventing the curtain truss from shaking is arranged on the stage floor.

[0006] The auxiliary mechanism includes a fixed plate, which is arranged on the stage floor. The top of the fixed plate is respectively fixedly connected to a first lifting drive device and a guide pulley. Two guide pulleys are symmetrically arranged along the first lifting drive device. The first lifting drive device is provided with an auxiliary steel wire rope, which is wound around the guide pulley. One end of the auxiliary steel wire rope is fixedly connected to the bottom of the curtain truss.

[0007] As a further solution of the utility model: the lifting mechanism includes a second lifting drive device and a lifting hanging point pulley, the second lifting drive device and the lifting hanging point pulley are both fixedly connected to the top of the fixed top frame, the second lifting drive device is provided with a lifting wire rope, the lifting wire rope is wound around the lifting hanging point pulley, and one end of the lifting wire rope is fixedly connected to the top of the curtain truss.

[0008] As a further solution of the utility model: a placement groove is provided inside the stage floor, and a groove communicating with the placement groove is provided on the top of the stage floor.

[0009] As a further solution of the utility model: a baffle is placed in the groove, a wire groove is penetrated through the top of the baffle, and the auxiliary steel wire rope passes through the wire groove.

[0010] As a further solution of the utility model: the fixing plate is placed in the placement groove, a through hole is opened through the top of the fixing plate, auxiliary grooves are opened on both sides of the baffle, and the top of the auxiliary groove is opened.

[0011] As a further solution of the utility model: a stud is fixedly connected inside the placement groove, the stud passes through the through hole, and a nut is threadedly connected to the outer surface of the stud.

[0012] Beneficial Effects

[0013] The utility model provides a linkage lift for stage opening. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The present application uses a first lifting drive device to retract and release the auxiliary steel wire rope, and uses the auxiliary steel wire rope to apply tension to the two sides below the curtain truss, thereby reducing the amplitude of the curtain truss shaking back and forth when it rises, thereby improving the use effect of the curtain.

[0015] (2) The present application can shield the placement slot and the groove by setting a baffle, and the auxiliary groove set on the baffle can facilitate people to remove the baffle from the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a three-dimensional main cross-sectional view of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 It is a three-dimensional diagram of the fixing plate of the utility model.

[0020] In the figure: 1. stage floor; 2. curtain truss; 3. fixed top frame; 4. lifting mechanism; 41. second lifting drive device; 42. lifting point pulley; 43. lifting wire rope; 5. auxiliary mechanism; 51. fixed plate; 52. first lifting drive device; 53. guide pulley; 54. auxiliary wire rope; 6. placement groove; 7. groove; 8. baffle; 9. wire trough; 10. through hole; 11. auxiliary groove; 12. stud; 13. nut. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] See also Figure 1-4 As shown, the utility model is a linkage lifter for stage opening, comprising a curtain truss 2 and a fixed top frame 3 arranged above a stage floor 1, the fixed top frame 3 is provided with a lifting mechanism 4 for lifting the curtain truss 2, the stage floor 1 is provided with an auxiliary mechanism 5 to prevent the curtain truss 2 from shaking; the auxiliary mechanism 5 comprises a fixed plate 51, the fixed plate 51 is arranged on the stage floor 1, the top of the fixed plate 51 is respectively fixedly connected with a first lifting drive device 52 and a guide pulley 53, the guide pulley 53 is provided on the fixed top frame 3, and the lifting mechanism 4 is provided with a lifting mechanism 5 for lifting the curtain truss 2, and the stage floor 1 is provided with an auxiliary mechanism 5 to prevent the curtain truss 2 from shaking; the auxiliary mechanism 5 comprises a fixed plate 51, the fixed plate 51 is arranged on the stage floor 1, the top of the fixed plate 51 is respectively fixedly connected with a first lifting drive device 52 and a guide pulley 53, Two pulleys 53 are symmetrically arranged along the first lifting drive device 52. The first lifting drive device 52 is provided with an auxiliary steel wire rope 54. The auxiliary steel wire rope 54 is wound around the guide pulley 53. One end of the auxiliary steel wire rope 54 is fixedly connected to the bottom of the curtain truss 2. The auxiliary steel wire rope 54 is retracted and released by the first lifting drive device 52, and the auxiliary steel wire rope 54 is used to apply a pulling force to the two sides below the curtain truss 2, thereby reducing the amplitude of the front and back shaking of the curtain truss 2 when it rises, thereby improving the use effect of the curtain.

[0024] The lifting mechanism 4 includes a second lifting drive device 41 and a lifting point pulley 42. The second lifting drive device 41 and the lifting point pulley 42 are both fixedly connected to the top of the fixed top frame 3. The second lifting drive device 41 is provided with a lifting wire rope 43. The lifting wire rope 43 is wound around the lifting point pulley 42. One end of the lifting wire rope 43 is fixedly connected to the top of the curtain truss 2. The lifting mechanism 4 has been disclosed in the patent document with publication number CN218248510U.

[0025] A placement groove 6 is provided inside the stage floor 1 , and a groove 7 communicating with the placement groove 6 is provided on the top of the stage floor 1 .

[0026] The fixing plate 51 is placed in the placement groove 6 , a through hole 10 is formed through the top of the fixing plate 51 , auxiliary grooves 11 are formed on both sides of the baffle plate 8 , and the tops of the auxiliary grooves 11 are open.

[0027] A stud 12 is fixedly connected inside the placement groove 6 . The stud 12 passes through the through hole 10 . A nut 13 is threadedly connected to the outer surface of the stud 12 .

[0028] Embodiment 2

[0029] Based on Example 1, see Figure 1-3 Shown

[0030] A baffle plate 8 is placed in the groove 7, and a wire groove 9 is opened through the top of the baffle plate 8. The auxiliary steel wire rope 54 passes through the wire groove 9. The baffle plate 8 can shield the placement groove 6 and the groove 7, and the auxiliary groove 11 provided on the baffle plate 8 can facilitate people to remove the baffle plate 8 from the groove 7.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] The working principle of the utility model is as follows: by starting the second lifting drive device 41, the curtain truss 2 is driven to rise through the lifting wire rope 43, and at the same time, the first lifting drive device 52 is started to release the auxiliary wire rope 54. In the process of the curtain truss 2 rising, the auxiliary wire rope 54 is driven to rise and straighten. Since the upper part of the curtain truss 2 is subjected to the pulling force of the lifting wire rope 43, the lower two sides of the curtain truss 2 are subjected to the pulling force of the auxiliary wire rope 54, thereby reducing the amplitude of the front and rear shaking of the curtain truss 2 when rising, and improving the use effect of the curtain.

[0033] 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.

[0034] 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 linkage lift for stage curtains, comprising a curtain truss (2) and a fixed top frame (3) arranged above the stage floor (1), characterized in that: The fixed top frame (3) is provided with a lifting mechanism (4) for lifting the curtain truss (2), and the stage floor (1) is provided with an auxiliary mechanism (5) for preventing the curtain truss (2) from shaking; The auxiliary mechanism (5) comprises a fixed plate (51), the fixed plate (51) is arranged on the stage floor (1), the top of the fixed plate (51) is respectively fixedly connected with a first lifting drive device (52) and a guide pulley (53), two guide pulleys (53) are symmetrically arranged along the first lifting drive device (52), the first lifting drive device (52) is provided with an auxiliary steel wire rope (54), the auxiliary steel wire rope (54) is wound around the guide pulley (53), and one end of the auxiliary steel wire rope (54) is fixedly connected to the bottom of the curtain truss (2).

2. The linkage lift for stage opening according to claim 1, characterized in that: The lifting mechanism (4) comprises a second lifting drive device (41) and a lifting point pulley (42), wherein the second lifting drive device (41) and the lifting point pulley (42) are both fixedly connected to the top of the fixed top frame (3), and a lifting wire rope (43) is arranged on the second lifting drive device (41), wherein the lifting wire rope (43) is wound around the lifting point pulley (42), and one end of the lifting wire rope (43) is fixedly connected to the top of the curtain truss (2).

3. The linkage lift for stage opening according to claim 1, characterized in that: A placement groove (6) is provided inside the stage floor (1), and a groove (7) connected to the placement groove (6) is provided on the top of the stage floor (1).

4. The linkage lift for stage opening according to claim 3, characterized in that: A baffle (8) is placed in the groove (7), a wire groove (9) is formed through the top of the baffle (8), and the auxiliary steel wire rope (54) passes through the wire groove (9).

5. The linkage lift for stage opening according to claim 4, characterized in that: The fixing plate (51) is placed in the placement groove (6), a through hole (10) is provided on the top of the fixing plate (51), auxiliary grooves (11) are provided on both sides of the baffle plate (8), and the top of the auxiliary groove (11) is open.

6. The linkage lift for stage opening according to claim 5, characterized in that: A stud (12) is fixedly connected inside the placement groove (6), the stud (12) passes through the through hole (10), and a nut (13) is threadedly connected to the outer surface of the stud (12).

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