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Expandable wedge deck panel for a modular deck system
An adjustable wedge panel for a modular platform system includes a first frame having a first receiver member and a first platform portion, a second frame having second receiver member and a second platform deck portion, wherein the frames are supportable above a surface by support members engaged in the first and second receiver members. The first and second frame members are angularly adjustable between a first angular position and a second angular position, the platform portions being positioned between the frames to define a support surface in the form of an annular sector having a sector angle. The adjustable wedge panel module may be joined to other modular platform assemblies, whether rectangular or other adjustable wedge panels, to create curved platforms. The adjustability of the wedge panel module allows a single module to replace multiple fixed-angle wedge panels.
Owner:TAIT TOWERS MANUFACTURING LLC
A folding, extending forming a dais architecture
Owner:SHEN ZHEN JINJIE HARDWARE & PLASTIC CO LTD
Self-adaptive adjusting support for outdoor display screen
The invention relates to the field of display screens, discloses a self-adaptive adjusting support for an outdoor display screen, and aims to solve the technical problems that an existing outdoor display screen is single in display form, insufficient in immersion experience, high in energy consumption and low in intelligence. The display screen comprises an immersive film watching room, the core of the immersive film watching room is a film watching room outer frame, an annular film watching space is formed by a plane display screen and a curved surface display screen in the frame, elastic bent rods are arranged on the upper side wall and the lower side wall outside the frame, and flexible permanent magnet rods on the elastic bent rods are correspondingly and magnetically attracted with inner permanent magnet blocks on straight rods of the curved surface display screen; a telescopic motor drives an elastic bent rod to deform through a fixed rod transmission chain, drives a curved display screen to synchronously adjust the curvature through magnetic attraction linkage, and is matched with a side telescopic door to realize film watching space adaptation; a magnetic sensitive detection layer and a partition driving circuit are integrated on the flat panel display screen, and an invalid display area is dynamically closed to save energy; according to the device, an'advertisement mode 'and an'immersion mode' are automatically switched through infrared induction and a main controller.
Owner:FUJIAN XIENKAI ELECTRONICS CO LTD
Performance shed frame
The performance shed frame comprises a supporting mechanism and a ceiling mechanism, the supporting mechanism comprises a plurality of stand columns and a plurality of bases, the bases are fixedly connected to the bottom ends of the stand columns, each stand column comprises a plurality of supporting frames, the supporting frames are sequentially connected in the vertical direction, and each supporting frame comprises a plurality of first column piece frames and a plurality of second column piece frames. The first column sheet frames and the second column sheet frames are alternately connected end to end; the ceiling mechanism comprises a plurality of cross beams and a plurality of longitudinal beams, the two ends of each cross beam and the two ends of each longitudinal beam are each connected with two stand columns, each cross beam and each longitudinal beam each comprise two sets of top frame assemblies arranged at intervals, each top frame assembly comprises a plurality of connecting columns and a plurality of top piece frames, the two ends of each connecting column are each provided with a connector, and each connector is provided with a plurality of connecting openings in the circumferential direction. The top piece frames are connected to the connecting ports, the top piece frames and the connecting columns are arranged alternately, and a plurality of top piece frames are connected between every two adjacent cross beams and between every two adjacent longitudinal beams. According to the performance shed frame, the transportation cost can be reduced, and the economic benefits can be improved.
Owner:GUANGZHOU JUYONG STAGE EQUIP CO LTD
Early warning control method for performance stage
The invention discloses an early warning control method for a performance stage, and the method comprises the steps: collecting performance stage data, building a stage model according to the collected stage data, and enabling the performance stage data to comprise stage boundary data and data of dynamic parts on the stage; acquiring foot coordinates of the actor and height coordinates from the ground by using a camera, detecting postures of the actor by using an image detection algorithm, and adjusting a risk area range of the stage according to the height from the actor to the ground; according to the foot position coordinates and speed of the actor obtained in real time, using an algorithm to predict the motion trail of the actor, and according to the real-time foot position coordinates and speed, calculating a falling risk factor; a height level matching module is embedded in the worker terminal, the position and height of the actor are detected in real time, the real-time state of the actor is recognized, and if it is judged that the actor is in a safe state, the bound worker terminal is unbound, and early warning prompt is stopped.
Owner:BEIJING FANZHANG ENTERTAINMENT CULTURE MEDIA CO LTD
Forced measurement system for underwater hydraulic lifting stage and digital control method
The invention discloses a forced measurement system for an underwater hydraulic lifting stage and a digital control method. The forced measurement system comprises one or more forced measurement units; the forced measurement unit operates in a torque control mode, actively applies a constant preset pulling force to the measurement rope, and detects and measures the rotation angle or the number of turns of the winding drum in real time so as to calculate the lifting displacement of the stage; the hydraulic driving unit is used for driving the stage to lift; and the central control unit is in signal connection with the forced measurement unit and the hydraulic driving unit, and is used for receiving the lifting displacement data and outputting a control signal to the hydraulic driving unit according to a preset target position and a movement track so as to realize closed-loop control on the stage position. Through an external forced measurement unit and a torque control mode, non-contact high-precision direct measurement is realized, the water immersion of a measurement element is fundamentally avoided, the waterproof problem is solved, and the intrinsic safety and long service life of the system are ensured.
Owner:JINAN SUPER CONTROL ELECTRICAL EQUIP CO LTD
Multi-dimensional dynamic stage
Owner:JIANGSU TIMES ENTERTAINMENT EQUIP
Annular rotary lifting platform
The utility model provides an annular rotary lifting platform, and relates to the field of performance equipment. The annular rotary lifting table comprises a table board wood decoration, an annular rotary table system and a lifting system. The annular rotary table system comprises an annular rotary table steel structure, an annular rotary table support, a rotary table rotary support and a rotary table driving motor, the lifting system comprises a lead screw nut lifting assembly, a lifting rotary support, a lifting driving motor and a fixed support, and the lead screw nut lifting assembly comprises a lifting nut, a lead screw, a driven gear, a lead screw fixed support and a lead screw movable support. Compared with a plurality of sets of independent lifting technologies, the annular rotary lifting platform adopts a whole set of rotary lifting technology, so that the synchronism requirement during equipment lifting is well met, and meanwhile, the arrangement space required by transmission parts is greatly saved.
Owner:GANSU IND UNIV MASCH WORK
Cinema light emitting screen and sound system
Light emitting displays and sound systems can be used in cinemas for cinema presentations that integrates a sound system to achieve the same or better immersive conditions in cinema theatres with front projection cinema screens. The screen can be active with light emitters, rather than passive and reflect light projected from a projector. Spaces are formed between adjacent light emitters in the display to allow for sound waves to pass from sound wave emitters positioned behind the screen to a cinema seating area in front of the screen. Loudspeakers may be positioned in the spaces. Diffusers or other structures may be positioned proximate to a front of the screen to facilitate visual performance. In addition or in the alternative, loudspeakers can be positioned in each seat of the viewing seating area that produce sound waves that appear to be coming from a non-seating location in the theatre.
Owner:IMAX CORP
Driving device for a lifting stage
The application discloses a driving device for a lifting stage and relates to the lifting stage application field.The driving device comprises a ground fixed stage and multiple groups of lifting stages.The lifting stage comprises a stage board, the bottom of the stage board is provided with a mounting frame and two groups of supporting frames, one side of the supporting frame is provided with a first locking assembly, the other side is provided with multiple groups of second locking assemblies, and then the first locking assembly and the second locking assembly can be used for interlocking between two adjacent groups of lifting stages.The locking assembly is arranged, the first locking assembly is driven to extend and be embedded with the second locking assembly of the adjacent stage when the conventional anti-falling structure of the locking assembly extends and is clamped, the first locking assembly and the second locking assembly are interlocked, multiple independent lifting stages can be connected as a whole, and the overall safety of the stage system is improved.
Owner:JIANGSU TIMES ENTERTAINMENT EQUIP
Self-adaptive viscous damping vibration isolation device for bottom of music hall base
The invention relates to the technical field of constructional engineering, in particular to a self-adaptive viscous damping vibration isolation device for the bottom of a music hall base, comprising a floating bearing layer, a damping adjusting layer and a base connecting layer which are sequentially arranged from top to bottom from the bottom of a building; through the synergistic effect of the floating bearing layer, the damping adjusting layer and the base connecting layer, self-adaptive vibration isolation of music hall base vibration is achieved, and preliminary buffering is provided for vibration through sliding fit of the floating bearing layer; in the damping adjusting layer, a damping cylinder can automatically adjust damping according to the magnitude of vibration through cooperation of inertia of a plugging piece and an elastic piece without additional control, low damping is kept during small vibration to avoid excessive constraint, damping is increased during large vibration to efficiently isolate vibration, the adaptability and accuracy of vibration isolation are ensured, electric drive or a complex control system is not needed, and the cost is reduced. The structure is reliable, maintenance is easy and convenient, continuous and stable work can be achieved under different vibration working conditions, and reliable vibration isolation guarantee is provided for creating a stable acoustic environment for a music hall.
Owner:SHANGHAI INSTALLATION ENGINEERING GROUP CO LTD
Recording studio supporting device convenient to adjust
The utility model provides a recording studio supporting device convenient to adjust, and relates to the technical field of recording studio supporting devices.The recording studio supporting device convenient to adjust comprises four bottom plates, side plates are fixedly installed on one sides of the outer surfaces of the four bottom plates, and two sets of connecting assemblies are rotatably installed on one sides of the outer surfaces of the four side plates; vertical plates are rotatably mounted at the other ends of the eight sets of connecting assemblies, hydraulic rods are rotatably mounted at one ends of the four vertical plates, the other ends of the four hydraulic rods are rotatably mounted on one sides of four side plates correspondingly, supporting pads are fixedly mounted at the other ends of the four vertical plates correspondingly, and the hydraulic rods on one sides of the four side plates are started; the two ends of the vertical plate are connected with the two connecting assemblies correspondingly to form a parallel structure, the hydraulic rod stretches to push the vertical plate to move downwards, then the supporting pad makes contact with the ground, and then fixing of the device is achieved.
Owner:BEIJING LANGXINLUN TECHNOLOGY CO LTD
Polyvinyl chloride-based steel structure greenhouse design method and steel structure connecting frame
The invention discloses a steel structure greenhouse design method based on polyvinyl chloride and a steel structure connecting frame, and relates to the field of building steel structures.The design method comprises the steps that a base assembly is designed, a profile steel frame base, a balance weight steel plate and concrete balance weight block combination is adopted, a stand column assembly is designed, and a square connecting sleeve is arranged at the top to achieve connection with a truss; according to the design of the top truss assembly, three kinds of plane trusses, a space system formed through stand columns, the hanging limit of 55 tons in the middle area, the hanging limit of 15 tons in the overhanging area, the design of the roof assembly, the arrangement of the arc-shaped frames on the upper chords of the trusses, and the closing of the polyvinyl chloride tarpaulin through buckle fixing are achieved, all the assemblies can be prefabricated in advance, and the assemblies are directly connected according to requirements on site. A large amount of field welding is not needed, the building period is greatly shortened, the device can be repeatedly used after being disassembled, the device meets the requirement for rapid deployment and transfer of a performance site, 55 tons of load middle areas and 15 tons of load overhanging areas are designed in a partitioned mode according to the hanging requirement of performance equipment, and it is ensured that the bearing capacity meets the use requirement.
Owner:SICHUAN QILIN DANCE CULTURE DEVELOPMENT CO LTD
Double-layer lifting stage
The utility model discloses a double-layer lifting stage which comprises a supporting base, positioning columns are fixedly connected to the two sides of the surface of the supporting base, a stage bottom plate is fixedly connected to the top of a lifting cylinder, a lifting screw is installed in a telescopic cylinder in a sliding mode, a transmission rod is fixedly connected to one side of the lifting cylinder, and the transmission rod is fixedly connected with the lifting screw. And a transmission worm gear is rotationally connected to the top of the shrinkage cylinder, a transmission motor is fixedly installed on the surface of the supporting plate, an adjusting rod is fixedly connected to a transmission shaft of the transmission motor, transmission worms are fixedly connected to the two sides of the adjusting rod, and a lifting protection mechanism is arranged on the surface of the supporting base. The lifting protection device has the advantages that the adjusting rod is driven by the transmission motor to rotate, the lifting screw and the lifting cylinder drive the stage bottom plate to achieve stable lifting movement, after the stage bottom plate is lifted, the edges of the stage bottom plate and the supporting bottom plate can be effectively protected against falling through the lifting protection mechanism, and the safety of personnel on a stage is guaranteed.
Owner:BEIJING XINLANGJING ART ENG DESIGN PRODN CO LTD
Underwater positioning device
The utility model relates to the technical field of stage machinery, in particular to an underwater positioning device. The underwater positioning device comprises a lifting stage, a lifting assembly and a translation vehicle platform, the lifting assembly is connected to the lifting stage and can synchronously ascend and descend along with the lifting stage, and the translation vehicle platform is slidably connected with the lifting stage; the lifting assembly comprises a first positioning structure protruding out of the top of the lifting stage, the horizontal moving vehicle platform is correspondingly provided with a second positioning structure, and the horizontal moving vehicle platform can stop running when the second positioning structure abuts against the first positioning structure. According to the underwater positioning device provided by the utility model, the accurate underwater positioning of the translation vehicle platform is realized, so that the translation vehicle platform can stop after moving to a specified position along the lifting stage, and the normal proceeding of subsequent performance is ensured.
Owner:HANGZHOU SONGCHENG PERFORMING ARTS VALLEY TECH & CULTURE
Lifting stage and theater
The utility model provides a lifting stage and a theater, and relates to the technical field of stage mechanical equipment. The lifting stage comprises a supporting base, a horizontal rod, a performance platform and a driving device. The supporting base is movably connected with one end of the horizontal rod; the performance platform is movably connected with the other end of the horizontal rod; a driving device is arranged between the supporting base and the horizontal rod; the driving device is used for driving the horizontal rod to rotate around one end of the horizontal rod; the movable horizontal rod is driven by the driving device to rotate around one end of the horizontal rod, flexible lifting of the performance platform arranged at the other end of the horizontal rod is achieved, the stage is simple and stable in structure, and the height of the performance platform is flexible and adjustable.
Owner:BEIJING FENGSHANG INTERACTIVE ENTERTAINMENT TECH CO LTD
Two-degree-of-freedom and rotational motion control platform for stage performance
The invention discloses a two-degree-of-freedom and rotational motion control platform for stage performance, and relates to the technical field of aluminum bar rolling. The device comprises a supporting table, a lamplight assembly is fixedly connected to the position, close to one side, of the top end of the supporting table, an inner groove is formed in the position, close to the center, of the interior of the supporting table, a control assembly is arranged at the position, located in the inner groove, of the top end of the supporting table, the lamplight assembly comprises two base columns, and the bottom ends of the base columns are fixedly connected with the top end of the supporting table; a top plate is fixedly connected between the top ends of the two base columns, flash lamps are symmetrically and fixedly connected to the positions, close to the two sides, of the bottom end of the top plate, toothed plates are symmetrically and fixedly connected to the centers of the two side ends of the inner groove, and the control assembly comprises a supporting plate. According to the lifting device for the stage, a motor is operated, then under the mutual cooperation of a transmission shaft, two sets of second synchronous wheels, a second synchronous belt, two lead screws, a top column and a mounting box, a supporting plate and a control assembly below the supporting plate are driven to ascend, and then lifting operation of the whole stage can be achieved.
Owner:NANJING BOWO TECH CO LTD
Stabilizing device for lifting stage of studio
The utility model discloses a stabilizing device of a studio lifting stage, which comprises a stage surface and a lifting stage body, the lifting stage body is movably mounted on the stage surface, a support frame is fixedly arranged at the bottom of the stage surface, a hydraulic fork shear lifter is arranged at the bottom of the lifting stage body, and the hydraulic fork shear lifter is connected with the lifting stage body. Stabilizing mechanisms are arranged on the two sides of the lifting stage body, the stabilizing mechanisms are located below the stage surface, and after the lifting stage body is lifted, the stabilizing mechanisms move inwards to support the two ends of the lifting stage body. According to the utility model, the situation that a plurality of persons shake obviously when going up and down the stage at the same time during the performance at present so as to easily cause the nervousness and discomfort of performance personnel can be prevented, and as the fetch shooting machine is far away from the stage, the influence of the shaking of the lifting stage on the shooting effect and the program playing quality is reduced; the lifting stage is simple in structure and high in safety, and the stability of the lifting stage is effectively improved.
Owner:WEIHAI JIARUIBAILONG ELECTRONICS CO LTD
Recyclable step platform
The utility model relates to the technical field of ladder assembling, and discloses a recyclable ladder platform which comprises a platform assembly, assembling mechanisms are evenly distributed on the right side of the platform assembly, each assembling mechanism comprises a transverse frame, folding frames are connected to the two sides of each transverse frame through rotating shafts, and auxiliary arms are inserted into the four corners of the top of each folding frame; the two-step ladder mechanism comprises a first ladder assembly, first rotating plates are assembled on the two sides of the bottom of the first ladder assembly through rotating shafts, the right side of the bottom of the first ladder assembly is connected with a folding plate through a rotating shaft, and a transverse plate is assembled on the top of the folding plate. According to the ladder platform capable of being recycled, the problem that parts are lost in the storage process is avoided, meanwhile, when the assembling mechanism, the two-step ladder mechanism and the one-step ladder mechanism are assembled, mutual limitation is carried out through the characteristic that the rotating directions are different, and the overall stability of the device is improved.
Owner:CHONGQING THEATER CO LTD
Outdoor display screen self-adaptive adjusting support
The present application relates to the field of display screen, discloses an outdoor display screen adaptive adjustment support, aiming at solving the technical problems of single display form, insufficient immersion experience, high energy consumption and low intelligence of the existing outdoor display screen. The display screen comprises an immersive viewing room, the core of which is a viewing room outer frame, the plane display screen and the curved display screen in the frame constitute an annular viewing space, the upper and lower side walls outside the frame are provided with elastic bending rods, the flexible permanent magnet rods on the rods are magnetically attracted to the inner permanent magnet blocks on the straight rods of the curved display screen; the telescopic motor drives the elastic bending rods to deform through the fixed rod transmission chain, the curvature of the curved display screen is adjusted synchronously by magnetic attraction linkage, and the viewing space is adapted by cooperating with the side telescopic door; the plane display screen is integrated with a magnetic sensitive detection layer and a partition driving circuit, and the invalid display area is dynamically closed to save energy; the device automatically switches between "advertisement mode" and "immersion mode" through infrared induction and the main controller.
Owner:FUJIAN XIENKAI ELECTRONICS CO LTD
Modularized stage truss assembling structure
Owner:GUANGZHOU CASE & TRUSS
Corner piece used in rapid building system
The present invention provides a corner piece used in rapid building system, comprising an upper cover, a lower cover, and an intermediate profile; said upper cover and said lower cover are mounted at the ends of said intermediate profile, and at least one groove 1 is arranged on the surface of said upper cover and said lower cover; said intermediate profile has groove 2 connected to said groove 1 on one side. The advantages of the present invention include: reusable and environmentally friendly; allowing for quick and easy disassembly and assembly; accurate installation with minimal error; ensuring a flush appearance of the booth wall; capable of forming a 90-degree corner by connecting to building modules; through the interconnection of multiple corner pieces, the length and thickness of the building modules are adjustable, thereby enriching the range of applications.
Owner:ZHANG SHUAI
Arc-shaped tripod for steel structure performance venue and installation method thereof
The application discloses an arc tripod of a steel structure deduction meeting place and a mounting method thereof, which comprises a stand column, a horizontal arm mounted on the stand column, and an arc arm mounted on the horizontal arm and connected with the stand column, and is characterized in that the arc tripod further comprises a connecting part mounted on the stand column and the horizontal arm and used for connecting the arc arm, and a structural part mounted on the horizontal arm and used for enhancing the joint strength of the horizontal arm and the connecting part, wherein the stand column and the arc arm are combined by cutting a plurality of steel pipes; the arc tripod is divided into an upper steel structure and a lower steel structure, thereby solving the problem that a super-large object cannot be transported, and the arc tripod can be transported by using a common truck, so that the transportation cost and time are saved, and the enterprise competitiveness is improved; the arc arm is designed as a multi-section assembled and welded structure, thereby solving the problem that the arc arm cannot be precisely positioned and welded due to a too large arc deviation during overall assembly, and the arc arm is cut into a plurality of sections with different arc degrees for assembly, so that the arc deviation can be effectively controlled, the precision is higher, and the assembly efficiency is improved.
Owner:ZHEJIANG JINXIN STEEL STRUCTURE GRP CO LTD
Rotating display stand protection device
Owner:江苏世展集团有限公司
Lifting follow-up step channel for lifting stage
A lifting follow-up step channel for a lifting stage relates to the technical field of stage equipment and comprises a first stage and a second stage which are arranged at a certain interval, a lifting main beam and a certain number of step units arranged in sequence are arranged between the first stage and the second stage, and a first hinge seat is arranged on one side of the first stage. A second fixing seat is arranged on one side of the second stage, fixing seat supporting wheels and fixing seat vertical guide rails are arranged on the second fixing seat, a supporting groove is formed in the lifting main beam in the length direction, and the step unit comprises a step steel frame, the step steel frame is provided with a step supporting wheel, a step lifting maintaining wheel and a step vertical guide rail, wherein the step lifting maintaining wheel and the step vertical guide rail are correspondingly arranged front and back. According to the lifting stage, the function of a channel can be continuously kept in the lifting process, all the follow-up step units can be kept stable in the horizontal direction all the time, gaps between the step units and gaps between the step units and stages on the two sides are small, and no additional auxiliary stage is needed for connection so that safety of walking in the channel can be guaranteed.
Owner:ZHEJIANG JIAHE CULTURE TECH CO LTD
Modularized rapid laying and docking platform for stage
The invention relates to the technical field of stage splicing and assembling, in particular to a stage modular rapid laying and docking platform which comprises a stage frame, assembling mechanisms are arranged on the two sides of the bottom end of the stage frame, adjusting clamping mechanisms are arranged on the top of the stage frame, and splicing combination mechanisms are arranged on the two sides of each adjusting clamping mechanism. The assembling mechanism comprises a stage column connected with the edge side of the bottom end of the stage frame through a movable screw, inclined supporting columns are connected to the two sides of the top of the stage column through movable screws, the stage can be rapidly assembled or disassembled through installation of the movable screws, and when the stage plate is installed and fixed, the stage plate can be inserted between two sets of clamping plates in a penetrating mode. And then the stage plate is clamped and fixed through the arranged threaded fixing pins, so that the stage plate is prevented from shaking, and assembly and use are facilitated.
Owner:XIQI WUMEI TECH (XIAN) CO LTD
Recessed configurable multimedia station for stages, classrooms and control rooms and related configuration method
A recessed configurable multimedia station (4) for stages, classrooms and control rooms, comprising at least one recessed body (6) provided with a frame (8) having a front head (12), a first upright (16) and a second upright (20) directed along a vertical direction (Y-Y) delimiting a seat (24), wherein said first upright (16) and second upright (20) support a first panel (28) and a second panel (32), respectively, said panels (28, 32) being rotatable, with respect to the frame (8), from a closing configuration in which they are arranged, in said seat (24), on horizontal planes (P) perpendicular to said vertical direction (Y-Y), to an opening configuration in which said panels (28, 32) are perpendicular to each other, wherein the first panel (28) is arranged in a vertical direction (Y-Y) and perpendicular to the second panel (32) lying parallel to said horizontal planes (P), supported by resting on said first upright (16) and second upright (20), wherein, in the opening configuration, the first panel (28), at an inner face (40) facing away from the front head (12), has at least one screen (44) and the second panel (32) defines a support and walking surface (48) for a user. The front head (12) delimits at least one cavity (56) housing a plurality of wirings (60) electrically connected to a plurality of devices such as electronic / multimedia devices (52) and / or electrical connection sockets and / or data connection ports, said devices being supported by said first panel (28) and / or by said second panel (32).
Owner:CAVEA ENGINEERING SRL
Fabricated truss for temporary stage building
The utility model relates to the technical field of trusses, and discloses an assembly type truss for temporary stage building, which comprises a plurality of bearing main pipes connected together, and further comprises an assembly part for assembling two trusses, and the assembly part comprises two inserting columns which are connected together and are matched with the interiors of the two ends of the bearing main pipes; open cavities are formed in the opposite ends of the two inserting columns, elastic pieces with elasticity are arranged in the open cavities, limiting rods matched with the elastic pieces are arranged on the side faces of the inserting columns in a penetrating mode, penetrating openings communicated with the open cavities are formed in the side faces of the two ends of the bearing main pipe, and limiting holes matched with the ends of the limiting rods are formed in the side faces of the two ends of the bearing main pipe. And the elastic piece supports the limiting rod. According to the utility model, one end of the limiting rod is pushed to be inserted into the limiting hole under the tension of the elastic piece, so that the two trusses can be assembled, and the assembling efficiency and the disassembling efficiency between the trusses during the construction of a temporary stage are improved.
Owner:GUANGZHOU CASE & TRUSS
Variable frequency speed regulation hydraulic synchronous control system
The utility model provides a variable frequency speed regulation hydraulic synchronous control system, and relates to the field of stage performance equipment. The system comprises an upper computer man-machine interaction system, a PLC (Programmable Logic Controller), a frequency converter, a hydraulic oil pump, a hydraulic cylinder, a lifting tabletop, a variable frequency motor, a hydraulic oil pump, an oil tank and an electromagnetic directional valve. The rotating speed of the variable frequency motor is controlled through the frequency converter to adjust the oil outlet speed of the hydraulic oil pump, then the piston speed of the oil cylinder is adjusted, the response speed is high, variable frequency and speed regulation synchronous operation of the hydraulic lifting platform is achieved, and then stable operation of the lifting platform driven by multiple cylinders synchronously and stepless speed regulation of the hydraulic lifting platform are achieved. The synchronous positioning precision of the hydraulic lifting platform is improved, the domestic and international control performance requirements of the stage lifting platform are met, the synchronous precision is smaller than + / -5mm, the positioning precision is smaller than + / -3mm, the lifting stability and safety of the lifting platform are guaranteed, and the method has wide application prospects.
Owner:GANSU IND UNIV MASCH WORK
Movable folding stage
Owner:江苏世展集团有限公司