Assembled and movable light bridge

Abstract

The invention provides an assembled and movable lamplight bridge which comprises a plurality of transfer bridge sections, every two adjacent transfer bridge sections are inserted and fixed through safety locks and lock pins, and the multiple transfer bridge sections are sequentially connected to form the lamplight bridge. Each group of transfer bridge subsections is movably hoisted above the stage through a plurality of electric hoisting rods, and each group of transfer bridge subsections is provided with a fixed lamp pole and a movable lamp pole. The invention relates to the technical field of stage machinery, and can solve the problems that in the prior art, a fixed lamplight truss structure of stage lamplight arrangement equipment is difficult to quickly adapt to lamplight layout changes of different performance scenes, the assembly and disassembly processes are tedious, and the load capacity of hanging and positioning equipment is poor.

Description

Technical Field

[0001] The present invention relates to the technical field of stage machinery, and particularly relates to a detachable and movable lighting bridge. Background Art

[0002] In modern theaters, the forms of stage performances have become increasingly rich and diverse with the development of culture and art, such as large-scale concerts, opera and dance dramas, variety shows, drama performances, etc. Different performance forms have different requirements for stage lighting. Therefore, as a key element in creating the stage atmosphere, highlighting the performance theme, and guiding the audience's attention, the flexibility and efficiency of the layout of stage lighting have become the focus of attention in the field of stage machinery.

[0003] When traditional stage lighting layout equipment is faced with modern diverse performance requirements, some limitations have gradually emerged. For example, the fixed lighting truss structure is difficult to quickly adapt to the lighting layout changes in different performance scenes, and the assembly and disassembly processes are cumbersome, consuming a large amount of manpower and time costs.

[0004] At the same time, with the continuous upgrading of stage lighting equipment, higher requirements are put forward for the load capacity and stability of the suspension and positioning equipment. Traditional equipment may not fully meet these requirements. Therefore, it is necessary to provide a detachable and movable lighting bridge that can solve the problems in the prior art that the fixed lighting truss structure of stage lighting layout equipment is difficult to quickly adapt to the lighting layout changes in different performance scenes, the assembly and disassembly processes are cumbersome, and the load capacity of the suspension and positioning equipment is poor. Summary of the Invention

[0005] The purpose of the present invention is to provide a detachable and movable lighting bridge that can solve the problems in the prior art that the fixed lighting truss structure of stage lighting layout equipment is difficult to quickly adapt to the lighting layout changes in different performance scenes, the assembly and disassembly processes are cumbersome, and the load capacity of the suspension and positioning equipment is poor.

[0006] To achieve the above purpose, the technical solution of the present invention is:

[0007] A detachable and movable lighting bridge includes: several groups of bridge sections. Adjacent two groups of bridge sections are fixedly connected by safety locks through pin insertion, so that several groups of bridge sections are sequentially connected into a lighting bridge; each group of bridge sections is movably hoisted above the stage by several electric hanging rods, and a fixed lamp post and a movable lamp post are installed on each group of bridge sections.

[0008] Each group of the bridge sections includes an end frame, a mounting cross bar, and a guard rail; the pair of end frames with a ring frame structure are symmetrically arranged at both ends of the bridge section, and the end frames of adjacent groups of bridge sections are connected by safety locks and are inserted between the safety locks of adjacent end frames through locking pins; a guard rail is connected between the pair of ring frame structures, and the pair of guard rails are symmetrically arranged on both sides of the bridge section, and a number of mounting cross bars are respectively connected at intervals between the pair of guard rails and are arranged at intervals in the length direction and height direction of the bridge section; the fixed lamp post and the movable lamp post are both installed on the mounting cross bars at the same height.

[0009] The described fixed lamp post includes a fixed mounting piece and a fixed lamp post body, the fixed mounting piece is fixedly installed on the mounting cross bar, and the fixed lamp post body is inserted through and installed between a plurality of fixed mounting pieces at the same height.

[0010] The described movable lamp post includes a movable kit, a lamp post mounting seat, and a movable lamp post body; the movable kit is movably sleeved on the mounting cross bar, the lamp post mounting seat is installed at the bottom of the movable kit, and the movable lamp post body is inserted through and installed between a plurality of lamp post mounting seats at the same height, so that the movable lamp post body is movably arranged in the bridge section along the length direction of the mounting cross bar through the movable kit.

[0011] A number of hanging rod pulleys are installed on the mounting cross bar at the top of the described bridge section, and a number of electric hanging rods are respectively connected corresponding to the number of hanging rod pulleys, so that the bridge section is movably hoisted above the stage through the number of electric hanging rods.

[0012] The connection between the hanging rod pulley and the mounting cross bar is through a shock-proof nut embedded with a non-metal.

[0013] Each group of the bridge sections further includes a pair of movable trolleys, and positioning grooves are provided on the movable trolleys, so that the bottom parts of the pair of end frames of the bridge section are respectively inserted into the positioning grooves of the pair of movable trolleys.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Since the present invention is provided with bridge sections, adjacent bridge sections can be quickly assembled through safety locks and locking pins, the assembled length is flexibly adjustable, the connection is reliable, and the disassembly is convenient, solving the problem of the cumbersome assembly and disassembly process of the fixed lighting truss in the prior art, and being able to meet the short-time and high-efficiency deployment requirements before and after the performance; at the same time, the bridge section adopts a metal cage structure, which can be produced and manufactured modularly, and can provide protection for the fixed lamp post, movable lamp post and other equipment installed on the bridge section, without affecting other equipment on the stage and avoiding collision damage; when not in use, the bridge section can be stored through the movable trolley, which is convenient for flexible movement and storage, and is suitable for the high-frequency transfer scene of stage equipment.

[0016] 2. Since the present invention is provided with an electric boom, a fixed lamp post and a movable lamp post, the electric boom can drive the bridge section to move horizontally and lift above the stage. The fixed lamp post is used to provide a fixed lighting form, and the movable lamp post can provide a changing lighting form by the movement of the movable lamp post body, so as to quickly adapt to the lighting layout changes of different performance scenes and meet the lighting requirements of different stage heights and three-dimensional space lighting.

[0017] 3. Since the present invention is provided with an electric boom, and each bridge section is configured with four electric booms, it can meet the requirements of safe and stable movement and lifting of the bridge section, has strong load capacity, and also solves the problem of poor load capacity of the lighting truss suspension and positioning equipment in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By describing the exemplary embodiments of the present disclosure in more detail in conjunction with the accompanying drawings, the above and other objects, features and advantages of the present disclosure will become more obvious. Among them, in the exemplary embodiments of the present disclosure, the same reference numerals generally represent the same components.

[0019] Figure 1 is the front view of a disassemblable and movable lighting bridge of the present invention;

[0020] Figure 2 is the top view of a disassemblable and movable lighting bridge of the present invention;

[0021] Figure 3 is the side view of a disassemblable and movable lighting bridge of the present invention;

[0022] Figure 4 is the axonometric view of the bridge section in a disassemblable and movable lighting bridge of the present invention;

[0023] Figure 5 is the connection schematic diagram of the safety lock and the locking pin in a disassemblable and movable lighting bridge of the present invention;

[0024] Figure 6 is the structural schematic diagram of the locking pin in a disassemblable and movable lighting bridge of the present invention.

[0025] In the figure, 1 is the bridge section, 11 is the end frame, 12 is the installation cross bar, 13 is the guardrail, 14 is the moving trolley, 2 is the safety lock, 3 is the locking pin, 4 is the electric boom, 41 is the boom pulley, 42 is the shockproof nut, 5 is the fixed lamp post, 51 is the fixed mounting part, 52 is the fixed lamp post body, 6 is the movable lamp post, 61 is the moving kit, 62 is the lamp post mounting seat, and 63 is the movable lamp post body. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following further describes in detail a detachable and movable lighting bridge proposed by the present invention in conjunction with the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the present invention will be clearer. It should be noted that the attached drawings are all in a very simplified form and use non-precise scales, only for conveniently and clearly assisting in explaining the purpose of the embodiments of the present invention.

[0027] Please refer to the attached Figure 1 to the attached Figure 6 , a detachable and movable lighting bridge, including several groups of bridge sections 1. Adjacent two groups of bridge sections are plugged and fixed through a safety lock 2 via a locking pin 3, so that several groups of bridge sections 1 are connected in sequence to form a lighting bridge; each group of bridge sections 1 is movably hoisted above the stage by several electric hanging rods 4, and a fixed lamp post 5 and a movable lamp post 6 are installed on each group of bridge sections 1.

[0028] Preferably, the safety lock 2 is installed at both ends of the bridge section 1. When assembling adjacent two groups of bridge sections 1, the safety locks 2 at the ends of the two groups of bridge sections 1 are connected and plugged and fixed through the locking pin 3, which is convenient and simple for disassembly and assembly, and solves the problem of the cumbersome process of assembling and disassembling the lighting truss in the prior art. The bridge section 1 can be modularly produced and made of steel or aluminum materials, with a small self-weight and high structural strength. Appropriate numbers of bridge sections 1 are selected for assembly according to different usage requirements to form a lighting bridge of the required length.

[0029] At the same time, a fixed lighting form is provided by installing the fixed lamp post 5, and a locally variable lighting form is provided by installing the movable lamp post 6, so as to be able to adapt to the lighting layout change requirements of different performance scenarios. Preferably, one group of fixed lamp posts 5 can be set, and four groups of movable lamp posts 6 can be set. The four groups of movable lamp posts 6 can be installed at different heights to better provide the lighting layout change effect.

[0030] Each group of bridge sections 1 is configured with several electric hanging rods 4 to form a large-load lighting position on the stage. Preferably, the electric hanging rods 4 can adopt the electric guide rail type lifting hanging rods of the prior art. Slide rails are installed in the front and back above the stage for slidably installing the electric hanging rods 4, so that the electric hanging rods 4 can slide along the front and back directions of the stage. At the same time, the electric hanging rods 4 are configured with winches to control the lifting of the bridge section 1, further meeting the requirements of lighting layout change. Four electric hanging rods 4 can be set, which can meet the load requirements of the suspension and positioning equipment of the bridge section 1.

[0031] Please refer to the attached Figure 4, each group of the bridge section 1 includes an end frame 11, a mounting cross bar 12 and a guard rail 13; the pair of end frames 11 of ring frame structures are symmetrically arranged at both ends of the bridge section 1, and the end frames 11 of adjacent two groups of bridge sections are connected by a safety lock 2 and are inserted by a locking pin 3 between the safety locks 2 of adjacent end frames 11; a guard rail 13 is connected between the pair of ring frame structures, the pair of guard rails 13 are symmetrically arranged on both sides of the bridge section 1, and a plurality of mounting cross bars 12 are respectively connected at intervals between the pair of guard rails 13 and are arranged at intervals in the length direction and height direction of the bridge section 1; the fixed lamp post 5 and the movable lamp post 6 are both installed on the mounting cross bars 12 at the same height.

[0032] Preferably, the end frame 11, the mounting cross bar 12 and the guard rail 13 can be made of steel or aluminum materials. The end frame 11 can adopt a rectangular or quasi-elliptical frame structure. The guard rail 13 can be formed by connecting a longitudinally arranged connecting rod and a vertically arranged connecting rod. Through the horizontally arranged mounting cross bar 12 and the longitudinally and vertically arranged guard rails 13, connection and support are formed in the bridge section 1 to ensure the structural strength and load capacity of the bridge section 1, which is convenient for installing the fixed lamp post 5 and the movable lamp post 6 and is also convenient for hanging and positioning other equipment.

[0033] A pair of end frames 11 and a pair of guard rails 13 enclose to form a metal cage structure, which can provide effective protection for the fixed lamp post 5, the movable lamp post 6 and other equipment, has no influence on other equipment on the stage, and prevents collision and damage.

[0034] Please refer to Appendix Figure 3 and Appendix Figure 4 , the fixed lamp post 5 includes a fixed mounting part 51 and a fixed lamp post main body 52. The fixed mounting part 51 is fixedly installed on the mounting cross bar 12, and the fixed lamp post main body 52 is installed through between a plurality of fixed mounting parts 51 at the same height.

[0035] Preferably, a group of fixed lamp posts 5 can be provided, and the fixed lamp post main body 52 can be installed in the middle of the bridge section 1 to provide a fixed lighting form through the fixed lamp post main body 52. The number and installation position of the fixed lamp posts 5 can be adaptively adjusted according to the actual lighting use and design requirements.

[0036] Preferably, the length direction of the fixed lamp post main body 52 is arranged along the length direction of the bridge section 1, and each fixed lamp post main body 52 can be fixed by at least two fixed mounting parts 51 to ensure the reliable installation of the fixed lamp post main body 52.

[0037] Please refer to Appendix Figure 3 and Appendix Figure 4, the mobile light pole 6 includes a mobile kit 61, a light pole mounting base 62, and a mobile light pole body 63; the mobile kit 61 is movably sleeved on the mounting cross bar 12, the light pole mounting base 62 is installed at the bottom of the mobile kit 61, and the mobile light pole body 63 is installed through a plurality of light pole mounting bases 62 at the same height, so that the mobile light pole body 63 is movably arranged in the bridge section 1 along the length direction of the mounting cross bar 12 through the mobile kit 61.

[0038] Preferably, four groups of mobile light poles 6 can be provided. Two mobile light pole bodies 63 can be respectively installed on the upper and middle parts of the bridge section 1. The two mobile light pole bodies 63 in the middle are located on both sides of the fixed light pole body 52. The movement of the four mobile light pole bodies 63 provides a partial change form of the light. The number and installation positions of the mobile light poles 6 can be adaptively adjusted according to the actual light use and design requirements.

[0039] Preferably, the mobile kit 61 can be connected to the mounting cross bar 12 by an electric slide rail and an electric slider in the prior art. The electric slider can move along the electric slide rail to realize the movement of the mobile kit 61 on the mounting cross bar 12, thereby driving the light pole mounting base 62 and the mobile light pole body 63 to move synchronously, and quickly adapting to the stage effect of the local change of the light.

[0040] Preferably, the length direction of the mobile light pole body 63 is arranged along the length direction of the bridge section 1. Each mobile light pole body 63 can be installed through at least two light pole mounting bases 62 and two mobile kits 61 to ensure the reliable installation and stable movement of the mobile light pole body 63. During movement, all the mobile kits 61 on the same mobile light pole body 63 move synchronously to ensure the movement stability and controllability of the mobile light pole body 63.

[0041] Please refer to the appendix Figure 3 , a plurality of hanging rod pulleys 41 are installed on the mounting cross bar 12 at the top of the bridge section 1. A plurality of electric hanging rods 4 are respectively connected to the corresponding hanging rod pulleys 41, so that the bridge section 1 is movably hoisted above the stage by a plurality of electric hanging rods 4.

[0042] The suspension ropes of the electric hanging rods 4 can bypass the hanging rod pulleys 41. During the process of the electric hanging rods 4 driving the bridge section 1 to slide and lift, the four suspension ropes can respectively slide in contact with the four hanging rod pulleys 41 to ensure the force stability and movement safety of the bridge section 1.

[0043] Preferably, two pulley groups can be arranged on the bridge section 1. Each pulley group includes two symmetrically arranged hanging rod pulleys 41, a total of four hanging rod pulleys 41, and four electric hanging rods 4 are correspondingly configured to ensure the load capacity and stable sliding function of the bridge section 1.

[0044] Please refer to the appendix Figure 3, the boom pulley 41 and the mounting crossbar 12 are connected by a shock-proof nut 42 with non-metallic inlay.

[0045] Preferably, the shock-proof nut 42 can be a shock-proof nut with a nylon insert in the prior art, which can effectively prevent the shock-proof nut 42 from loosening to ensure the reliable installation of the boom pulley 41.

[0046] Please refer to the appendix Figure 3 , each set of bridge sections 1 further includes a pair of mobile trolleys 14. The mobile trolleys 14 are provided with positioning grooves (not shown in the figure), and the bottom parts of the pair of end frames 11 of the bridge section 1 are respectively inserted into the positioning grooves of the pair of mobile trolleys 14.

[0047] Through the arrangement of a pair of mobile trolleys 14 with mounting grooves, it is convenient to insert and place the bridge section 1, flexibly move the bridge section 1, and also facilitate the turnover and storage of the bridge section 1 when it is not in use.

[0048] Please refer to the appendix Figure 1 to the appendix Figure 6 , the assembly method and working principle of the present invention are as follows:

[0049] Safety locks 2 are installed on the pair of end frames 11 of the bridge section 1. When the end frames 11 of two adjacent sets of bridge sections 1 are butted, first connect them through the safety locks 2 on the adjacent end frames 11, and then horizontally insert the locking pins 3 between the two safety locks 2 to reliably connect the two adjacent sets of bridge sections 1. The appropriate number of bridge sections 1 can be spliced according to the size of the stage and the requirements of lighting design to form lighting bridges of different lengths. The assembly and disassembly processes are simple and fast.

[0050] Each set of bridge sections 1 is configured with an appropriate number of electric booms 4 according to its own weight and load requirements. The corresponding number of boom pulleys 41 are installed on the uppermost mounting crossbar 12 inside the bridge section 1 and locked and fixed by shock-proof nuts 42. The electric booms 4 are connected to the boom pulleys 41, and the cooperation between the electric booms 4 and the boom pulleys 41 is used to hoist and lift the bridge section 1 above the stage. The supporting track of the electric boom 4 is used to drive the bridge section 1 to move horizontally above the stage, so as to meet the lighting use requirements of different performance scenarios. At the same time, each set of bridge sections 1 is hoisted by a number of electric booms 4, which can effectively improve the load capacity of the suspension and positioning equipment of the bridge section 1.

[0051] When in use, the fixed lamp post 5 can provide a fixed lighting effect through the fixed lamp post body 52. The movable lamp post 6 can move horizontally along the installation cross bar 12 through the moving kit 61. The number, movement, and installation position of the movable lamp post 6 can meet the requirements for changes in the lighting layout of different performance scenes. Both the fixed lamp post 5 and the movable lamp post 6 are located inside the metal cage structure formed by enclosing a pair of end frames 11 and a pair of guardrails 13, and the metal cage structure can provide protection for the fixed lamp post 5 and the movable lamp post 6.

[0052] After the lighting bridge is used up, the locking pin 3 can be pulled out to disassemble and separate each group of bridge sections 1, and the bottoms of a pair of end frames 11 of the bridge section 1 can be respectively inserted into the installation grooves of a pair of mobile trolleys 14, which is convenient for carrying and storing the bridge section 1.

[0053] The above description is only a description of the preferred embodiments of the present invention, and does not limit the scope of the present invention in any way. Any changes and modifications made by those of ordinary skill in the art of the present invention based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A disassemblable and movable lighting bridge, characterized in that, Including: A number of groups of bridge sections (1), adjacent groups of bridge sections are connected and fixed by safety locks (2) through lock pins (3), so that a number of groups of bridge sections (1) are connected in sequence to form a lighting bridge; each group of bridge sections (1) is movably hoisted above the stage by a number of electric hanging rods (4), and a fixed lamp post (5) and a movable lamp post (6) are installed on each group of bridge sections (1).

2. The assembled and movable lighting bridge according to claim 1, characterized in that, Each group of bridge sections (1) described above includes an end frame (11), a mounting cross bar (12) and a guard rail (13); a pair of end frames (11) with a ring-shaped frame structure are symmetrically arranged at both ends of the bridge section (1), and the end frames (11) of adjacent groups of bridge sections are connected by safety locks (2) and inserted between the safety locks (2) of adjacent end frames (11) through lock pins (3); a guard rail (13) is connected between a pair of ring-shaped frame structures, and a pair of guard rails (13) are symmetrically arranged on both sides of the bridge section (1), and a number of mounting cross bars (12) are respectively connected at intervals between a pair of guard rails (13) and arranged at intervals in the length direction and height direction of the bridge section (1); the fixed lamp post (5) and the movable lamp post (6) are both installed on the mounting cross bars (12) at the same height.

3. The assembled and movable lighting bridge according to claim 2, characterized in that, The fixed lamp post (5) described above includes a fixed mounting part (51) and a fixed lamp post main body (52), the fixed mounting part (51) is fixedly installed on the mounting cross bar (12), and the fixed lamp post main body (52) is installed through between a plurality of fixed mounting parts (51) at the same height.

4. The assembled and movable lighting bridge according to claim 1, characterized in that, The movable lamp post (6) described above includes a movable kit (61), a lamp post mounting seat (62) and a movable lamp post main body (63); the movable kit (61) is movably sleeved on the mounting cross bar (12), the lamp post mounting seat (62) is installed at the bottom of the movable kit (61), and the movable lamp post main body (63) is installed through between a plurality of lamp post mounting seats (62) at the same height, so that the movable lamp post main body (63) is movably arranged in the bridge section (1) along the length direction of the mounting cross bar (12) through the movable kit (61).

5. The assembled and movable lighting bridge according to claim 2, characterized in that, A number of hanging rod pulleys (41) are installed on the mounting cross bar (12) at the top of the bridge section (1) described above, and a number of electric hanging rods (4) are respectively connected corresponding to a number of hanging rod pulleys (41), so that the bridge section (1) is movably hoisted above the stage by a number of electric hanging rods (4).

6. The assembled and movable lighting bridge according to claim 5, wherein, The hanging rod pulley (41) is connected with the mounting cross bar (12) through an anti-vibration nut (42) inlaid with non-metal.

7. The assembled and movable lighting bridge according to claim 2, characterized in that, Each group of bridge sections (1) described above further includes a pair of mobile trolleys (14), and positioning grooves are provided on the mobile trolleys (14), so that the bottom parts of a pair of end frames (11) of the bridge section (1) are respectively inserted into the positioning grooves of a pair of mobile trolleys (14).

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