CN113730929B - Mast mechanism that opens and shuts that performance was used - Google Patents
Mast mechanism that opens and shuts that performance was used Download PDFInfo
- Publication number
- CN113730929B CN113730929B CN202111024618.8A CN202111024618A CN113730929B CN 113730929 B CN113730929 B CN 113730929B CN 202111024618 A CN202111024618 A CN 202111024618A CN 113730929 B CN113730929 B CN 113730929B
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- rod
- opening
- sliding frame
- assembly
- rotating rod
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- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 244000309464 bull Species 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J1/00—Stage arrangements
Abstract
The application discloses mast mechanism that opens and shuts that performance used, including vertical pole, diverting pulley assembly, drive assembly, rope and the subassembly that opens and shuts, the subassembly that opens and shuts includes: the first horizontal fixed rod is fixed with the vertical rod; the rotating rod is rotatably arranged on the first horizontal fixed rod, and is outwards opened to form a first set angle with the first horizontal fixed rod when in an unfolding working position, and is inwards folded when in a folding working position, and forms a second set angle with the first horizontal fixed rod; the sliding frame is arranged on the vertical rod in a sliding manner, the rope is connected with the sliding frame, and the sliding frame can be driven to move up and down through the movement of the rope; and one end of the stay bar is hinged with the rotating rod, the other end of the stay bar is hinged with the sliding frame, and the rotating rod is driven to rotate through the stay bar when the sliding frame moves up and down relative to the vertical rod. The mode of connecting rod is passed through in this application, can draw in the bull stick in, both save space after drawing in, can effectively prevent again because of the bull stick is in the potential safety hazard that the state produced of expanding.
Description
Technical Field
The invention relates to the field of stage performance equipment, in particular to an openable mast mechanism for performance.
Background
With the rapid and continuous development of national economy, the living standard of people is continuously improved, and the life of urban residents gradually advances from warmth saturation to well-being. The cultural and life demands of people are also becoming diversified. In recent years, large public culture facilities with urban significances are built in many places throughout the country, and large theatres distributed in various places are pulled up like spring bamboo shoots after rain. These major theatres share the common feature: the investment is huge, the building main body is required to be newly changed, most of the equipment adopts the international advanced standard, and the hardware rise value can be comparable with that of a novel European theatre. These theatres, which provide a platform for elegant art and large-scale performances, are a major thing of cultural construction in various places, and are also the requirements for improving the cultural grade and the cultural level of cities and countries.
Theatres are places used for representing dramas, opera music and other literary works, and in performance, a plurality of props matched with performance can be used according to different scenes. The mast is the comparatively many props that use wherein, and current mast includes vertical pole and fixes the horizon bar on the vertical pole, and current mast exists occupation space big, accomodates inconvenient scheduling problem.
Disclosure of Invention
Aiming at the problems, the invention provides an opening and closing mast mechanism for performance.
The technical scheme adopted by the invention is as follows:
the mast opening and closing mechanism for the performance comprises a vertical rod, a steering pulley assembly, a driving assembly, a rope and an opening and closing assembly, wherein the steering pulley assembly and the driving assembly are arranged on the vertical rod at intervals up and down, the rope is wound on the steering pulley assembly and the driving assembly, and the driving assembly is used for driving the rope to move;
the opening and closing assembly includes:
the first horizontal fixed rod is fixed with the vertical rod;
the rotating rod is rotatably arranged on the first horizontal fixed rod and is provided with an unfolding working position and a folding working position, when the rotating rod is in the unfolding working position, the rotating rod is outwards opened to form a first set angle with the first horizontal fixed rod, when the rotating rod is in the folding working position, the rotating rod is inwards folded to form a second set angle with the first horizontal fixed rod;
the sliding frame is arranged on the vertical rod in a sliding manner, the rope is connected with the sliding frame, and the sliding frame can be driven to move up and down through the movement of the rope;
and one end of the supporting rod is hinged with the rotating rod, the other end of the supporting rod is hinged with the sliding frame, and the rotating rod is driven to rotate through the supporting rod when the sliding frame moves up and down relative to the vertical rod.
The driving assembly provides power for the whole opening and closing mast mechanism, and the driving assembly drives the rope to move so as to drive the sliding frame of the opening and closing assembly to move up and down, and finally controls the opening or closing of the rotating rod through the transmission of the supporting rod; the mode of connecting rod is passed through in this application, can draw in the bull stick in, both save space after drawing in, can effectively prevent again because of the bull stick is in the potential safety hazard that the state produced of expanding.
In an embodiment of the present invention, the first setting angle is 180 ° and the second setting angle is 90 °.
In one embodiment of the present invention, the middle part of the first horizontal fixed rod of the opening and closing assembly is fixed with the vertical rod, and the opening and closing assembly comprises two rotating rods which are respectively rotatably installed at two ends of the first horizontal fixed rod.
In one embodiment of the present invention, the opening and closing assembly further includes a first stopper and a second stopper both fixed on the first horizontal fixed rod, where the first stopper and the second stopper are used to cooperate with the rotating rod to define a limit position of the rotating rod; when the rotary rod is unfolded, the first limiting block is abutted against the rotary rod to limit the maximum angle of the unfolding of the rotary rod, and when the rotary rod is folded, the second limiting block is abutted against the rotary rod to limit the maximum angle of the folding of the rotary rod.
The term "limiting the maximum angle of deployment of the rotating lever" as used herein refers to the angle at which the rotating lever can be rotated outwardly to open relative to the collapsed state; the term "limit the maximum angle of the folding of the rotating lever" as used herein means an angle by which the rotating lever can be rotated inward relative to the folded state.
In one embodiment of the invention, the carriage is rotatably provided with a first traveling wheel and a second traveling wheel, the first traveling wheel and the corresponding second traveling wheel are symmetrically arranged in the carriage about a fixed rod, and the first traveling wheel and the second traveling wheel are in rolling fit with the fixed rod.
The friction force between the sliding frame and the fixed rod can be effectively reduced by arranging the travelling wheels, and the service life of the equipment is prolonged.
In one embodiment of the present invention, the first travelling wheel and the second travelling wheel are plural and correspond to each other one by one; a guide piece is fixed on the vertical rod, a first limit structure is arranged on the first travelling wheel and the second travelling wheel, and the guide piece is provided with a second limit structure matched with the first limit structure;
the first limiting structure is an annular groove, the second limiting structure is a raised strip, and the raised strip is embedded into the annular groove; or, the first limit structure is a convex ring, the second limit structure is a strip-shaped groove, and the convex ring is embedded into the strip-shaped groove.
The application of the vertical rod is characterized in that the guide piece is fixed on the vertical rod, and the vertical rod and the guide piece are integrally formed.
In one embodiment of the present invention, the plurality of opening and closing assemblies are divided into a first group and a second group, the first group of opening and closing assemblies comprises at least one upper opening and closing assembly, the second group of opening and closing assemblies comprises at least one lower opening and closing assembly, a carriage of the upper opening and closing assembly is located below a corresponding first horizontal fixed rod, and a carriage of the lower opening and closing assembly is located above the corresponding first horizontal fixed rod;
the rope comprises a first vertical part and a second vertical part, the sliding frame of the upper opening and closing assembly is connected with the first vertical part, the sliding frame of the lower opening and closing assembly is connected with the second vertical part, and the rope can drive the opening and closing assemblies to be simultaneously unfolded or simultaneously folded when moving.
In one embodiment of the invention, the device further comprises a second horizontal fixed rod fixed with the vertical rod, wherein the length of the second horizontal rod is smaller than or equal to the maximum outline dimension of the folded rotating rod; the rope is a steel wire rope; and a connecting seat is fixed on the rotating rod, and one end of the supporting rod is hinged with the connecting seat.
In one embodiment of the present invention, the sliding frame further comprises a travel seat fixed on the vertical rod, wherein a travel switch is installed on the travel seat, and the travel switch is used for being matched with the sliding frame of the opening and closing assembly to limit the travel of the sliding frame.
The travel switch is electrically connected with the driving component, and when the travel switch is triggered, the driving component stops working. In practical use, it is preferable to provide a bump that touches the travel switch on the carriage.
In one embodiment of the invention, the diverting pulley assembly comprises a fixed pulley; the drive assembly includes:
the mounting seat is fixed on the vertical rod;
the driving wheel is rotatably arranged on the mounting seat;
the adjustable tensioning wheel is rotatably arranged on the mounting seat, and the rope is wound on the driving wheel and the adjustable tensioning wheel;
and the driving motor is arranged on the mounting seat or the vertical rod and used for driving the driving wheel to rotate.
The tension of the rope can be ensured by arranging the adjustable tensioning wheel, and the rope is prevented from slipping.
During practical use, the driving assembly can adjust the position of the adjustable tensioning wheel through the bolts and the nuts, specifically, the bolts are connected to the mounting seat in a screwed mode, one ends of the bolts are connected with the adjustable tensioning wheel, and the positions of the bolts are fixed through the nuts, so that the positions of the adjustable tensioning wheel are fixed.
In actual use, the position of the adjustable tensioning wheel can be automatically adjusted through the elastic piece.
The beneficial effects of the invention are as follows: the driving assembly provides power for the whole opening and closing mast mechanism, and the driving assembly drives the rope to move so as to drive the sliding frame of the opening and closing assembly to move up and down, and finally controls the opening or closing of the rotating rod through the transmission of the supporting rod; the mode of connecting rod is passed through in this application, can draw in the bull stick in, both save space after drawing in, can effectively prevent again because of the bull stick is in the potential safety hazard that the state produced of expanding.
Description of the drawings:
FIG. 1 is a schematic illustration of an open-close mast mechanism with a rotating rod in an extended operating position;
FIG. 2 is a schematic top view of the folding mast mechanism;
FIG. 3 is a schematic view of the mast mechanism with the rotating lever in the collapsed position;
FIG. 4 is a cross-sectional view of the open-close mast mechanism;
FIG. 5 is a schematic view of the carriage and guide;
FIG. 6 is a cross-sectional view of the carriage mated with the guide;
fig. 7 is an enlarged view at a in fig. 1.
The reference numerals in the drawings are as follows:
1. a vertical rod; 2. a diverting pulley assembly; 3. a drive assembly; 4. a rope; 5. an opening and closing assembly; 6. a first horizontal fixed rod; 7. a rotating rod; 8. a carriage; 9. a brace rod; 10. a first limiting block; 11. a second limiting block; 12. a first traveling wheel; 13. a second travelling wheel; 14. a guide member; 15. a first limit structure; 16. a second limit structure; 17. a first vertical portion; 18. a second vertical portion; 19. a second horizontal fixed rod; 20. a connecting seat; 21. a travel seat; 22. a travel switch; 23. a bump; 24. a fixed pulley; 25. a mounting base; 26. a driving wheel; 27. an adjustable tensioner; 28. a driving motor; 29. a bolt; 30. and (3) a nut.
The specific embodiment is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the mast opening and closing mechanism for performance comprises a vertical rod 1, a diverting pulley assembly 2, a driving assembly 3, a rope 4 and an opening and closing assembly 5, wherein the diverting pulley assembly 2 and the driving assembly 3 are arranged on the vertical rod 1 at an upper and lower interval, the rope 4 is wound on the diverting pulley assembly 2 and the driving assembly 3, and the driving assembly 3 is used for driving the rope 4 to move;
the opening and closing assembly 5 includes:
a first horizontal fixed rod 6 fixed with the vertical rod 1;
the rotating rod 7 is rotatably arranged on the first horizontal fixed rod 6, the rotating rod 7 is provided with an unfolding working position and a folding working position, the rotating rod 7 is outwards opened when in the unfolding working position and forms a first set angle with the first horizontal fixed rod 6, the rotating rod 7 is inwards folded when in the folding working position, and the rotating rod 7 forms a second set angle with the first horizontal fixed rod 6;
the sliding frame 8 is arranged on the vertical rod 1 in a sliding manner, the rope 4 is connected with the sliding frame 8, and the sliding frame 8 can be driven to move up and down through the movement of the rope 4;
and one end of the stay bar 9 is hinged with the rotating rod 7, the other end of the stay bar 9 is hinged with the sliding frame 8, and the sliding frame 8 drives the rotating rod 7 to rotate through the stay bar 9 when moving up and down relative to the vertical rod 1.
The driving component 3 provides power for the whole opening and closing mast mechanism, and the rope 4 is driven to move through the driving component 3, so that the sliding frame 8 of the opening and closing component 5 is driven to move up and down, and finally the rotating rod 7 is controlled to be opened or closed through the transmission of the supporting rod 9; the mode of connecting rod is passed through in this application, can draw in bull stick 7, both save space after drawing in, can effectively prevent again because of bull stick 7 is in the potential safety hazard that the state produced of expanding.
In practical use, the first setting angle and the second setting angle may be set as required, as shown in fig. 1 and 3, and in this embodiment, the first setting angle is 180 ° and the second setting angle is 90 °.
As shown in fig. 1 and 3, in the present embodiment, the middle part of the first horizontal fixed rod 6 of the opening and closing assembly 5 is fixed with the vertical rod 1, the opening and closing assembly 5 includes two rotating rods 7, and the two rotating rods 7 are rotatably mounted at two ends of the first horizontal fixed rod 6 respectively.
As shown in fig. 1 and 3, in the present embodiment, the opening and closing assembly 5 further includes a first stopper 10 and a second stopper 11 that are both fixed on the first horizontal fixed rod 6, and the first stopper 10 and the second stopper 11 are used for cooperating with the rotating rod 7 to define the limit position of the rotating rod 7; in the unfolding working position, the first limiting block 10 abuts against the rotating rod 7 to limit the maximum unfolding angle of the rotating rod 7, and in the folding working position, the second limiting block 11 abuts against the rotating rod 7 to limit the maximum folding angle of the rotating rod 7.
The term "limit the maximum angle at which the rotating lever 7 is unfolded" as used herein refers to an angle at which the rotating lever 7 can be rotated outwardly to be opened with respect to the folded state; the term "limit the maximum angle at which the rotating lever 7 is folded" as used herein means an angle at which the rotating lever 7 can be folded inward with respect to the unfolded state.
As shown in fig. 5 and 6, in the present embodiment, the carriage 8 is rotatably provided with a first traveling wheel 12 and a second traveling wheel 13, the first traveling wheel 12 and the corresponding second traveling wheel 13 are symmetrically installed in the carriage 8 with respect to the fixed rod, and the first traveling wheel 12 and the second traveling wheel 13 are in rolling engagement with the fixed rod.
The friction force between the sliding frame 8 and the fixed rod can be effectively reduced by arranging the travelling wheels, and the service life of the equipment is prolonged.
In this embodiment, the first travelling wheel 12 and the second travelling wheel 13 are plural and correspond to each other one by one; a guide piece 14 is fixed on the vertical rod 1, a first limit structure 15 is arranged on the first travelling wheel 12 and the second travelling wheel 13, and the guide piece 14 is provided with a second limit structure 16 matched with the first limit structure 15; the first limit structure 15 is an annular groove, the second limit structure 16 is a convex strip, and the convex strip is embedded into the annular groove.
In other embodiments, the first limiting structure 15 may be a convex ring, and the second limiting structure 16 may be a bar-shaped groove, in which the convex ring is embedded.
The term "the guide 14 is fixed to the vertical rod 1" as used herein also includes the case where the vertical rod 1 and the guide 14 are integrally formed.
As shown in fig. 1 and 3, in the present embodiment, the plurality of opening and closing assemblies 5 are provided, the opening and closing assemblies 5 are divided into a first group and a second group, the first group of opening and closing assemblies 5 includes at least one upper opening and closing assembly 5, the second group of opening and closing assemblies 5 includes at least one lower opening and closing assembly 5, the carriage 8 of the upper opening and closing assembly 5 is located below the corresponding first horizontal fixed rod 6, and the carriage 8 of the lower opening and closing assembly 5 is located above the corresponding first horizontal fixed rod 6;
the rope 4 comprises a first vertical part 17 and a second vertical part 18, the sliding frame 8 of the upper opening and closing assembly 5 is connected with the first vertical part 17, the sliding frame 8 of the lower opening and closing assembly 5 is connected with the second vertical part 18, and the rope 4 can drive the opening and closing assemblies 5 to be unfolded or folded simultaneously when moving.
As shown in fig. 1, in this embodiment, the device further includes a second horizontal rod 19 fixed to the vertical rod 1, where the length of the second horizontal rod is less than or equal to the maximum external dimension of the folded rotating rod 7; the rope 4 is a steel wire rope; a connecting seat 20 is fixed on the rotating rod 7, and one end of the supporting rod 9 is hinged with the connecting seat 20.
As shown in fig. 1, in this embodiment, the sliding device further includes a travel seat 21 fixed on the vertical rod 1, and a travel switch 22 is mounted on the travel seat 21, where the travel switch 22 is used to cooperate with the sliding frame 8 of the opening and closing assembly 5 to limit the travel of the sliding frame 8.
The travel switch 22 is electrically connected to the drive assembly 3, and when the travel switch 22 is triggered, the drive assembly 3 stops operating. In actual use, it is preferable to provide the carriage 8 with a bump 23 which is in contact with the travel switch 22.
As shown in fig. 1 and 7, in the present embodiment the diverting pulley assembly 2 comprises a fixed pulley 24; the drive assembly 3 includes:
the mounting seat 25 is fixed on the vertical rod 1;
a driving wheel 26 rotatably mounted on the mounting seat 25;
an adjustable tensioning wheel 27 rotatably mounted on the mounting seat 25, and the rope 4 is wound on the driving wheel 26 and the adjustable tensioning wheel 27;
and a driving motor 28 mounted on the mounting seat 25 or the vertical rod 1 for driving the driving wheel 26 to rotate.
By providing an adjustable tensioning wheel 27, the tension of the rope 4 can be ensured, preventing the rope 4 from slipping.
As shown in fig. 7, in the driving assembly 3 of this embodiment, the position of the adjustable tensioning wheel 27 is adjusted by a bolt 29 and a nut 30, specifically, the bolt 29 is screwed on the mounting seat 25, one end of the bolt 29 is connected with the adjustable tensioning wheel 27, and the position of the bolt 29 is fixed by the nut 30, so that the position of the adjustable tensioning wheel 27 is fixed. In practice, the position of the adjustable tensioning wheel 27 can also be automatically adjusted by means of the elastic element.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover all equivalent structures as modifications within the scope of the invention, either directly or indirectly, as may be contemplated by the present invention.
Claims (2)
1. The mast opening and closing mechanism for the performance is characterized by comprising a vertical rod, a steering pulley assembly, a driving assembly, ropes and an opening and closing assembly, wherein the steering pulley assembly and the driving assembly are arranged on the vertical rod at an upper-lower interval, the ropes are wound on the steering pulley assembly and the driving assembly, and the driving assembly is used for driving the ropes to move;
the opening and closing assembly includes:
the first horizontal fixed rod is fixed with the vertical rod;
the rotating rod is rotatably arranged on the first horizontal fixed rod and is provided with an unfolding working position and a folding working position, when the rotating rod is in the unfolding working position, the rotating rod is outwards opened to form a first set angle with the first horizontal fixed rod, when the rotating rod is in the folding working position, the rotating rod is inwards folded to form a second set angle with the first horizontal fixed rod;
the sliding frame is arranged on the vertical rod in a sliding manner, the rope is connected with the sliding frame, and the sliding frame can be driven to move up and down through the movement of the rope;
one end of the supporting rod is hinged with the rotating rod, the other end of the supporting rod is hinged with the sliding frame, and the rotating rod is driven to rotate by the supporting rod when the sliding frame moves up and down relative to the vertical rod;
the first set angle is 180 degrees, and the second set angle is 90 degrees;
the middle part of a first horizontal fixed rod of the opening and closing assembly is fixed with the vertical rod, and the opening and closing assembly comprises two rotating rods which are respectively rotatably arranged at two ends of the first horizontal fixed rod;
the opening and closing assembly further comprises a first limiting block and a second limiting block which are both fixed on the first horizontal fixed rod, and the first limiting block and the second limiting block are used for being matched with the rotating rod to limit the limit position of the rotating rod; when the rotating rod is in the unfolding working position, the first limiting block is abutted against the rotating rod to limit the maximum angle of the unfolding of the rotating rod, and when the rotating rod is in the folding working position, the second limiting block is abutted against the rotating rod to limit the maximum angle of the folding of the rotating rod;
the first travelling wheel and the corresponding second travelling wheel are symmetrically arranged in the carriage about the vertical rod, and the first travelling wheel and the second travelling wheel are in rolling fit with the vertical rod;
the first travelling wheels and the second travelling wheels are multiple and correspond to each other one by one; a guide piece is fixed on the vertical rod, a first limit structure is arranged on the first travelling wheel and the second travelling wheel, and the guide piece is provided with a second limit structure matched with the first limit structure;
the first limiting structure is an annular groove, the second limiting structure is a raised strip, and the raised strip is embedded into the annular groove; or, the first limiting structure is a convex ring, the second limiting structure is a strip-shaped groove, and the convex ring is embedded into the strip-shaped groove;
the plurality of opening and closing assemblies are divided into a first group and a second group, the first group of opening and closing assemblies comprises at least one upper opening and closing assembly, the second group of opening and closing assemblies comprises at least one lower opening and closing assembly, a sliding frame of the upper opening and closing assembly is positioned below a corresponding first horizontal fixed rod, and a sliding frame of the lower opening and closing assembly is positioned above the corresponding first horizontal fixed rod;
the rope comprises a first vertical part and a second vertical part, the sliding frame of the upper opening and closing assembly is connected with the first vertical part, the sliding frame of the lower opening and closing assembly is connected with the second vertical part, and the rope can drive the opening and closing assemblies to be simultaneously unfolded or simultaneously folded when moving;
the travel switch is arranged on the travel seat and is used for being matched with the sliding frame of the opening and closing assembly to limit the travel of the sliding frame;
the diverting pulley assembly comprises a fixed pulley; the drive assembly includes:
the mounting seat is fixed on the vertical rod;
the driving wheel is rotatably arranged on the mounting seat;
the adjustable tensioning wheel is rotatably arranged on the mounting seat, and the rope is wound on the driving wheel and the adjustable tensioning wheel;
and the driving motor is arranged on the mounting seat or the vertical rod and used for driving the driving wheel to rotate.
2. The mast opening and closing mechanism for performance of claim 1, further comprising a second horizontal fixed rod fixed to the vertical rod, the second horizontal fixed rod having a length less than or equal to the maximum external dimension of the rotating rod after folding; the rope is a steel wire rope; and a connecting seat is fixed on the rotating rod, and one end of the supporting rod is hinged with the connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111024618.8A CN113730929B (en) | 2021-09-02 | 2021-09-02 | Mast mechanism that opens and shuts that performance was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111024618.8A CN113730929B (en) | 2021-09-02 | 2021-09-02 | Mast mechanism that opens and shuts that performance was used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113730929A CN113730929A (en) | 2021-12-03 |
| CN113730929B true CN113730929B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111024618.8A Active CN113730929B (en) | 2021-09-02 | 2021-09-02 | Mast mechanism that opens and shuts that performance was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113730929B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359288A (en) * | 2011-10-10 | 2012-02-22 | 杭州佳合舞台设备有限公司 | Butterfly-shaped stage |
| CN205064743U (en) * | 2015-10-26 | 2016-03-02 | 浙江大丰实业股份有限公司 | Drive arrangement of stage revolving stage |
| KR20170029842A (en) * | 2015-09-08 | 2017-03-16 | 김충신 | Stage-managing device |
| CN208626628U (en) * | 2018-07-13 | 2019-03-22 | 广州镐德舞台机械设备有限公司 | A kind of stage performance derrick rig |
-
2021
- 2021-09-02 CN CN202111024618.8A patent/CN113730929B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359288A (en) * | 2011-10-10 | 2012-02-22 | 杭州佳合舞台设备有限公司 | Butterfly-shaped stage |
| KR20170029842A (en) * | 2015-09-08 | 2017-03-16 | 김충신 | Stage-managing device |
| CN205064743U (en) * | 2015-10-26 | 2016-03-02 | 浙江大丰实业股份有限公司 | Drive arrangement of stage revolving stage |
| CN208626628U (en) * | 2018-07-13 | 2019-03-22 | 广州镐德舞台机械设备有限公司 | A kind of stage performance derrick rig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113730929A (en) | 2021-12-03 |
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