CN113144640B - A adjustable inclination lift draw bridge for stage - Google Patents
A adjustable inclination lift draw bridge for stage Download PDFInfo
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- CN113144640B CN113144640B CN202110499372.3A CN202110499372A CN113144640B CN 113144640 B CN113144640 B CN 113144640B CN 202110499372 A CN202110499372 A CN 202110499372A CN 113144640 B CN113144640 B CN 113144640B
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- spring
- suspension bridge
- bridge
- adjustable inclination
- rail
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
- A63J5/12—Apparatus for raising or lowering persons
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
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Abstract
The invention discloses an inclination-angle-adjustable lifting suspension bridge for a stage, which comprises a first vertical frame and a second vertical frame which are oppositely arranged, and further comprises a suspension bridge, wherein a first sliding frame and a first power assembly for driving the first sliding frame to vertically slide are arranged on the first vertical frame, a second sliding frame and a second power assembly for driving the second sliding frame to vertically slide are arranged on the second vertical frame, a sliding rail hinge assembly arranged along the transverse direction is arranged on the first sliding frame, a rotatable hinge part is arranged at one end of the suspension bridge, the hinge part is slidably connected to the sliding rail assembly, and the other end of the suspension bridge is rotatably connected to the second sliding frame. Above-mentioned scheme has realized the free regulation at the inclination of draw bridge through the setting of first balladeur train and second balladeur train to different performance demands have been satisfied, the practicality is high.
Description
Technical Field
The invention relates to the technical field of stage performance equipment safety technology, in particular to an inclination-angle-adjustable lifting suspension bridge for a stage.
Background
The lifting suspension bridge is usually arranged in the rear area of the stage, and the two ends of the suspension bridge are connected with the upright posts on the two sides in a sliding manner, so that the two ends of the lifting suspension bridge can be synchronously lifted or lowered. Can pass the actor on the lift draw bridge, also can place the stage property that some performances need to satisfy the performance demand. However, the existing lifting suspension bridge can only realize equal-height lifting of the left end and the right end, and is difficult to realize when actors or props at the two ends of the lifting suspension bridge need to keep different heights in performance. In order to solve the problem, the existing method is generally realized by arranging two or more lifting suspension bridges, so that the cost of performance equipment is increased, and certain limitations are caused to actors or installed props.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the problem of the both ends of the lift draw bridge among the prior art can only go up and down simultaneously, can't satisfy the performance needs is solved.
The technical scheme of the invention is as follows: provides an adjustable inclination angle lifting suspension bridge for a stage, which comprises a first vertical frame and a second vertical frame which are oppositely arranged, and a suspension bridge, the first vertical frame is provided with a first sliding frame and a first power assembly for driving the first sliding frame to slide along the vertical direction, the second vertical frame is provided with a second sliding frame and a second power assembly for driving the second sliding frame to slide along the vertical direction, the first sliding frame is provided with a sliding rail component arranged along the transverse direction, one end of the suspension bridge is provided with a rotatable pivot component, the hinge part is connected on the slide rail component in a sliding way, the other end of the suspension bridge is connected on the second sliding frame in a rotating way, the first power assembly comprises a pulley, a guy cable and a main motor, the pulley is arranged on the first vertical frame, one end of the inhaul cable is connected with the main motor, and the other end of the inhaul cable penetrates through the pulley and is connected with the first sliding frame; the second power assembly is identical in structure with the first power assembly and is arranged on the second stand in the same manner as the first power assembly.
When the scheme is used normally, the two ends of the suspension bridge can realize the lifting function of the foundation under the driving of the first sliding frame and the second sliding frame; and when the suspension bridge is required to incline, the first sliding frame stops, the second sliding frame goes up and down, at the moment, because the suspension bridge inclines, one end of the suspension bridge, which is provided with the pivot part, slides towards the direction of the second upright post, so that the transverse length of the suspension bridge, which is shortened due to the inclination, is automatically compensated, and the effect that the heights of the two ends of the suspension bridge are different is finally realized. Compared with the prior art, the above scheme realizes the free adjustment of the inclination angle of the suspension bridge through the arrangement of the first sliding frame and the second sliding frame, thereby meeting different performance requirements and having high practicability.
Preferably, the pull cable is further provided with a tension sensor, so that the stress condition of the pull cable can be detected in real time, and an alarm can be given in time when an accident occurs.
Preferably, the first power assembly and the second power assembly both further comprise a standby motor, and the end part of the inhaul cable connected with the main motor is simultaneously connected to the standby motor, so that the standby motor can still operate when the main motor fails, and safety redundancy is improved.
Preferably, the first vertical frame and the second vertical frame are respectively provided with a people-feeding channel vertically arranged, so that actors or props can conveniently ascend and descend the suspension bridge.
Preferably, the slide rail assembly includes a support rail and a first spring, the support rail includes a first end portion facing away from the second carriage and a second end portion facing toward the second carriage, the hinge member is slidably connected to the middle portion of the support rail, one end of the first spring is connected to the second end portion of the support rail, and the other end of the first spring is used for pushing the hinge member to move toward the first end portion of the support rail, so that on one hand, the hinge member can slide more smoothly relative to the first carriage when the suspension bridge needs to be inclined, and on the other hand, when the suspension bridge needs to be restored to a horizontal state, the first spring can assist in pushing the hinge member to be restored, thereby improving stability during operation.
Preferably, the slide rail assembly further comprises a second spring and a limiting rope, the first end of the supporting track is rotatably connected to the first vertical frame, the upper end of the second spring is connected with the first sliding frame, the lower end of the second spring is connected with the supporting track and used for pushing the supporting track to keep horizontal, one end of the limiting rope is connected with the pivot component, and the other end of the limiting rope sequentially penetrates through the upper ends of the first spring and the second spring and then is connected with the lower end of the second spring. Due to the arrangement of the limiting rope, when the second carriage slides downwards to enable the suspension bridge to incline, the first spring is compressed, the length of the limiting rope in the second spring is increased, and at the moment, the second spring can extend to enable the second end portion of the supporting track to descend; when the second carriage slides upwards to enable the suspension bridge to restore the horizontal level, the first spring is gradually extended from a compressed state, the length of the limiting rope in the second spring is reduced, and at the moment, the second spring is compressed to enable the second end portion of the supporting track to restore the horizontal level. Therefore, after the structure is adopted, the support rail can automatically rotate in a certain range along with the inclination angle of the suspension bridge, so that the hinge part can slide in the sliding groove more easily.
Drawings
Fig. 1 is an overall schematic view of an adjustable inclination lifting suspension bridge for a stage according to the present invention;
fig. 2 is a schematic view illustrating the installation of a suspension bridge of an adjustable inclination lifting suspension bridge for a stage according to the present invention;
fig. 3 is a schematic view of the installation of the first carriage of the adjustable inclination lifting suspension bridge for stage according to the present invention;
fig. 4 is a schematic view of the installation of the first carriage of another embodiment of the adjustable inclination lifting suspension bridge for stage according to the present invention;
in the drawings: 1-a first stand; 1.1-a first carriage; 1.2-support rails; 1.3-chute; 1.4-a first spring; 1.5-a second spring; 1.6-a limiting rope; 2-a second vertical frame; 2.1-a second carriage; 3-hanging a bridge; 3.1-hinge part; 4-a main motor; 4.1-stay cable; 4.2-pulley; 4.3-spare motor; 5-a tension sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an adjustable inclination angle lifting suspension bridge for a stage according to an embodiment of the present invention includes a first stand 1 and a second stand 2, which are oppositely disposed, and further includes a suspension bridge 3, the first stand 1 is provided with a first sliding frame 1.1 and a first power assembly for driving the first sliding frame 1.1 to slide along a vertical direction of the first stand 1, the second stand 2 is provided with a second sliding frame 2.1 and a second power assembly for driving the second sliding frame 2.1 to slide along a vertical direction of the second stand 2, the first sliding frame 1.1 is provided with a sliding rail assembly disposed along a horizontal direction, one end of the suspension bridge 3 is provided with a rotatable hinge member 3.1, the hinge member 3.1 is slidably connected to the sliding rail assembly, and the other end of the suspension bridge 3 is rotatably connected to the second sliding frame 2.1.
In this embodiment, the first power assembly comprises a pulley 4.2, a cable 4.1 and a main motor 4, the pulley 4.2 is arranged on the top of the first vertical frame 1, one end of the cable 4.1 is connected with the main motor 4, and the other end of the cable 4.1 passes through the pulley 4.2 and is connected with the first sliding frame 1.1. The second power assembly also comprises a pulley 4.2, a guy cable 4.1 and a main motor 4, and the second power assembly is arranged on the second vertical frame 2 in the same way as the first power assembly, thereby ensuring simple structure and reliable operation. Of course, the first power assembly and the second power assembly can be replaced by other equivalent lifting power sources, such as a hydraulic cylinder, a screw platform and the like.
When the scheme is used normally, the two ends of the suspension bridge 3 can realize the lifting function of the foundation under the driving of the first sliding frame 1.1 and the second sliding frame 2.1; and when the suspension bridge 3 is required to incline, the first carriage 1.1 stops, the second carriage 2.1 goes up and down, at the moment, because the suspension bridge 3 inclines, one end of the suspension bridge 3, which is provided with the pivot piece 3.1, slides towards the direction of the second upright post, so that the transverse length of the suspension bridge 3 shortened due to the inclination is automatically compensated, and the effect of different heights of the two ends of the suspension bridge 3 is finally realized.
As the optimization to the above embodiment, the tension sensor 5 is further arranged on the inhaul cable 4.1, so that the stress condition of the inhaul cable 4.1 can be detected in real time, and an alarm is given in time when an accident occurs.
In addition, in order to improve safety redundancy, the first power assembly and the second power assembly each further comprise a standby motor 4.3, and the end of the stay cable 4.1 connected with the main motor 4 is simultaneously connected to the standby motor 4.3, so that the standby motor 4.3 can still operate when the main motor 4 fails.
The first vertical frame 1 and the second vertical frame 2 are both provided with a people-feeding passage vertically arranged, so that actors or props can conveniently ascend the suspension bridge 3.
In this embodiment, the slide rail assembly includes support rail 1.2, is equipped with on the support rail 1.2 along the spout 1.3 of horizontal setting, and the middle part sliding connection of hinge part 3 is in spout 1.3, and the tip of draw bridge 3 is articulated mutually with the tip of hinge part 3.1 to pivot part 3.1 can more steadily slide relatively first balladeur train 1.1 when guaranteeing that draw bridge 3 needs the slope.
As shown in fig. 4, in another embodiment, the slide rail assembly further includes a first spring 1.4, the support rail 1.2 includes a first end portion facing away from the second carriage 2.1 and a second end portion facing toward the second carriage 2.1, one end of the first spring 1.4 is connected to the second end portion of the support rail 1.2, and the other end of the first spring 1.4 is used for pushing the hinge member 3.1 to move toward the first end portion of the support rail 1.2, so that when the suspension bridge 3 needs to return to the horizontal state, the first spring 1.4 can assist in pushing the hinge member 3.1 to return, and improve the stability during operation.
Further, the slide rail assembly still includes second spring 1.5 and spacing rope 1.6, and the first end of support track 1.2 rotates to be connected on first grudging post 1, and the upper end of second spring 1.5 is connected with first balladeur train 1.1, and the lower extreme of second spring 1.5 is connected with support track 1.2 and is used for promoting support track 1.2 and keeps the level, and the one end of spacing rope 1.6 links to each other with pivot spare 3.1, and the other end links to each other with the lower extreme of second spring 1.5 after passing first spring 1.4 and the upper end of second spring 1.5 in proper order. Due to the arrangement of the limiting rope 1.6, when the second carriage 2.1 slides downwards to incline the suspension bridge 3, the first spring 1.4 is compressed, the length of the limiting rope 1.6 in the second spring 1.5 is increased, and at the moment, the second spring 1.5 can extend to enable the second end part of the support rail 1.2 to descend; when the second carriage 2.1 slides upwards to restore the suspension bridge 3 to the horizontal, the first spring 1.4 is gradually extended from the compressed state, the length of the limiting rope 1.6 in the second spring 1.5 is reduced, and at the moment, the second spring 1.5 is compressed and restores the second end of the support rail 1.2 to the horizontal. Therefore, with this structure, the support rail 1.2 can automatically rotate within a certain range along with the inclination angle of the suspension bridge 3, so that the hinge member 3.1 can slide in the sliding groove 1.3 more easily.
Compared with the prior art, the suspension bridge 3 can realize free adjustment of the inclination angle, thereby meeting different performance requirements and having high practicability.
The present invention has been described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an adjustable inclination lift draw bridge for stage, is including relative first grudging post (1) and second grudging post (2) that set up, its characterized in that still includes draw bridge (3), be equipped with first balladeur train (1.1) and be used for the drive on first grudging post (1) first power component along vertical slip, be equipped with second balladeur train (2.1) on second grudging post (2) and be used for the drive second balladeur train (2.1) along vertical slip's second power component, be equipped with along the slide rail set of horizontal setting on first balladeur train (1.1), the one end of draw bridge (3) is equipped with rotatable pivot spare (3.1), pivot spare (3.1) sliding connection in on the slide rail set, the other end of draw bridge (3) rotate connect in on second balladeur train (2.1), first power component includes pulley (4.2), The device comprises a stay cable (4.1) and a main motor (4), wherein a pulley (4.2) is arranged on the first vertical frame (1), one end of the stay cable (4.1) is connected with the main motor (4), and the other end of the stay cable (4.1) penetrates through the pulley (4.2) and is connected with a first sliding frame (1.1); the second power assembly is identical in structure with the first power assembly and is arranged on the second stand (2) in the same manner as the first power assembly.
2. An adjustable inclination lifting suspension bridge for stages as claimed in claim 1, characterized in that said guy cable (4.1) is also provided with a tension sensor (5).
3. An adjustable inclination lifting suspension bridge for stages according to claim 2, characterized in that each of said first and second power assemblies further comprises a backup motor (4.3), the end of said guy cable (4.1) connected to said main motor (4) being connected to said backup motor (4.3) at the same time.
4. An adjustable inclination lifting suspension bridge for stages as claimed in claim 1, characterized in that said first (1) and second (2) uprights are provided with a boarding passage vertically arranged.
5. An adjustable inclination lifting suspension bridge for stage according to claim 1, characterized in that the slide rail assembly comprises a support rail (1.2) and a first spring (1.4), the support rail (1.2) comprises a first end facing away from the second carriage (2.1) and a second end facing towards the second carriage (2.1), the hinge member (3.1) is slidably connected to the middle of the support rail (1.2), one end of the first spring (1.4) is connected to the second end of the support rail (1.2), and the other end of the first spring (1.4) is used for pushing the hinge member (3.1) to move towards the first end of the support rail (1.2).
6. An adjustable inclination lifting suspension bridge for stage according to claim 5, wherein the sliding rail assembly further comprises a second spring (1.5) and a limiting rope (1.6), the first end of the supporting rail (1.2) is rotatably connected to the first vertical frame (1), the upper end of the second spring (1.5) is connected to the first carriage (1.1), the lower end of the second spring (1.5) is connected to the supporting rail (1.2) and used for pushing the supporting rail (1.2) to keep horizontal, one end of the limiting rope (1.6) is connected to the hinge member (3.1), and the other end of the limiting rope passes through the upper ends of the first spring (1.4) and the second spring (1.5) in sequence and then is connected to the lower end of the second spring (1.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110499372.3A CN113144640B (en) | 2021-04-28 | 2021-04-28 | A adjustable inclination lift draw bridge for stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110499372.3A CN113144640B (en) | 2021-04-28 | 2021-04-28 | A adjustable inclination lift draw bridge for stage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113144640A CN113144640A (en) | 2021-07-23 |
| CN113144640B true CN113144640B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110499372.3A Active CN113144640B (en) | 2021-04-28 | 2021-04-28 | A adjustable inclination lift draw bridge for stage |
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| CN (1) | CN113144640B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10350059B4 (en) * | 2003-10-27 | 2011-02-10 | Stefan Hinzmann | event arrangement |
| CN101451400B (en) * | 2008-12-26 | 2011-04-13 | 倪湘凝 | Lift bridge in water |
| CN204775862U (en) * | 2015-03-25 | 2015-11-18 | 江苏姜堰船舶舾装件有限公司 | Portable landing stage |
| CN207294082U (en) * | 2017-09-07 | 2018-05-01 | 浙江大丰实业股份有限公司 | Electronic folded rope self-carry hanging bar |
| CN108096859B (en) * | 2017-12-18 | 2023-11-10 | 华强方特(芜湖)文化产业有限公司 | Lifting prop bridge for stage |
| CN207898960U (en) * | 2018-02-07 | 2018-09-25 | 威海歌尔创客学院有限公司 | A kind of suspension bridge |
| CN208618251U (en) * | 2018-07-30 | 2019-03-19 | 洛阳高飞桥隧机械有限公司 | A kind of hydraulic inverted arch trestle in tunnel of constructing tunnel full-automation device |
| CN109149462A (en) * | 2018-09-11 | 2019-01-04 | 镇江宝源电仪设备有限公司 | A kind of electric bridge frame convenient for interconnection between gantry |
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2021
- 2021-04-28 CN CN202110499372.3A patent/CN113144640B/en active Active
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| CN113144640A (en) | 2021-07-23 |
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