CN206267579U - One kind can hide movable stand system - Google Patents

Abstract

Movable stand system can be hidden the utility model proposes one kind.This can hide movable stand system includes being arranged on the containing cavities of subsurface, and the lifting platform for placing movable stand is provided with containing cavities；Be provided with the top of containing cavities it is concordant with ground and can automatic switch cover plate；Movable stand is included：Multiple grandstand supports, vertical and spaced setting, the height of grandstand support is reduced successively, and the bottom of grandstand support is provided with road wheel；Multiple grandstand supporting plates, one end is correspondingly arranged on multiple grandstand supports respectively, and the other end of grandstand supporting plate grandstand supporting plate higher is arranged above adjacent relatively low grandstand supporting plate, and seat is provided with grandstand supporting plate；Highly minimum grandstand support is provided with driving movable stand and moves integrally or drive forerunner's unit that grandstand support launches forward, and height highest grandstand support is provided with the rear-guard unit for driving grandstand support to launch backward.The system improves the service life of whole system and does not influence the overall landscape at scenic spot.

Description

One kind can hide movable stand system

Technical field

The utility model belongs to movable stand technical field, and more particularly to one kind can hide movable stand system.

Background technology

Movable stand is a kind of facility for being commonly used to the public places such as theater, conference hall, and existing movable stand is general Including by multilayer platform, having foldable chair on each platform, when using, each platform is pulled open layer by layer and by folding seat thereon Open, during collection, the chair on each platform is folded and each platform is punctured into box layered product layer by layer, so as to reach effectively The purpose of utilization space.But, this movable platform needs other parking space when idle, especially for tourist attraction Outdoor grandstand for, on the one hand, outdoor storage can reduce the service life of whole grandstand system；On the other hand, tall and big work Moving platform can influence the overall landscape at scenic spot.

Above- mentioned information disclosed in the background section is only used for strengthening the understanding to background of the present utility model, therefore It can include not constituting the information to prior art known to persons of ordinary skill in the art.

Utility model content

The purpose of this utility model is to provide one kind can hide movable stand system, and the system receives movable stand, carries The service life of whole movable stand system high；And do not interfere with the overall landscape at scenic spot.

To achieve the above objectives, the utility model is achieved using following technical scheme.

One kind can hide movable stand system to be included：The containing cavities of subsurface are arranged on, use is provided with the containing cavities In the lifting platform for placing movable stand；

Be provided with the top of the containing cavities it is concordant with ground and can automatic switch cover plate；

The movable stand is included：Multiple grandstand supports, vertical and spaced setting, the height of multiple grandstand supports Degree is reduced successively, and the bottom of the grandstand support is provided with road wheel；Multiple grandstand supporting plates, one end is correspondingly arranged in many respectively On the individual grandstand support, the other end of grandstand supporting plate higher is arranged at adjacent relatively low see in multiple grandstand supporting plates Above platform supporting plate, seat is installed in the grandstand supporting plate；

Driving movable stand is provided with multiple grandstand supports on highly minimum grandstand support to move integrally or drive Forerunner's unit that dynamic grandstand support launches forward, driving grandstand is provided with the grandstand support on height highest grandstand support The rear-guard unit that support launches backward.

The characteristics of above-mentioned technical proposal and further improvement：

Further, the lifting platform includes at least one scissor lifting support, and the upper end of the lifting support sets It is equipped with the supporting plate for installation activity grandstand；The drive rod for driving its lifting is provided with the lifting support.

Further, the left and right sides of each scissor lifting support is correspondingly arranged on the two groups of drive rods in left and right, described Lifting support includes lower-left bar, upper left bar, bottom right bar, upper right bar；The top of left set of drive rod and lower-left bar and upper left bar it is upper Portion, right group of drive rod connects the bottom of bottom right bar and the bottom of upper right bar.

Further, the cover plate is hinged with the side of containing cavities, and multiple hydraulic thrusts are hinged with the inside of the containing cavities Bar, external part and the cover plate inner side of multiple hydraulic push rods are hinged for driving cover plate either on or off.

Further, the medial surface of the containing cavities is vertically and symmetrically provided with multiple guide grooves, the side of the supporting plate Being provided with can roll with what guide groove coordinated in guide groove, and the guide wheel coordinated with its gap；The periphery of the supporting plate passes through Trip shaft is rotatably connected to the returning face plate for connecting supporting plate and ground after upset, upset is provided with the trip shaft and is driven Motor.

Further, one, the middle part of the grandstand support is set to fix grandstand support；

Forerunner's unit includes：It is installed on the motor on highly minimum grandstand support；It is installed on highly minimum Grandstand support on and the first power transmission shaft for setting along its length, be installed on the road wheel wheel shaft on the grandstand support, The road wheel is installed on the road wheel wheel shaft；It is installed on the sprocket wheel on the road wheel wheel shaft；

The motor is connected with first power transmission shaft by belt, and first power transmission shaft passes through with the sprocket wheel Chain is connected, and drives the drive axis, the power transmission shaft to drive the road wheel to rotate by motor.

Further, the rear-guard unit includes that one end is uniformly fixed on the length direction of height highest grandstand support Multistrand rope, is provided with the second driving shaft through its length direction on fixed grandstand support, same on the second driving shaft Axle and multiple first fixed pulleys are uniformly fixed with, multiple hoist engines, multiple elevators are installed on the fixed grandstand support Machine correspondence is fixed with the other end of steel wire rope described in multiply；Correspondence is provided with multiple second on ground on rear side of the grandstand support Fixed pulley, steel wire rope described in multiply is by multiple first fixed pulleys and multiple second fixed pulleys are corresponding connects, by institute The drawing for stating hoist engine realizes the auto-extending at grandstand support rear portion.

Further, guide post is provided with every layer of width of the grandstand support, is fixed with the guide post Guide plate, is provided with the guide post through adjacent layer in through hole, the through hole on the guide plate；Set in the seat support It is equipped with the pulley coordinated with the bottom surface of upper strata seat support.

Further, it is provided with the fixed grandstand support of the grandstand support and is prolonged along movable stand left or right side is parallel The reference plate stretched, the superiors and orlop grandstand support left or right side are provided with and are seen for measuring the superiors and orlop Platform support to reference plate distance distance measuring sensor；

The reference plate includes the fixed plate fixed with movable stand, and the side with movable stand is provided with the fixed plate The parallel foldable plate in face, the foldable plate includes multiple flat boards, and the foldable connection of hinge is passed through between the flat board.

As shown from the above technical solution, it is of the present utility model to hide movable stand system, by accommodating chamber and lifting platform Movable stand is accommodated in accommodating chamber in the case of not use, the service life of whole grandstand system is improved；And accommodate Chamber is arranged on subsurface, does not interfere with the overall landscape effect at scenic spot；Front and rear two parts of movable stand pass through two ways exhibition Open, it is to avoid stuck or movable stand sideslip caused by stroke is long, grandstand is easily stretched out or be retracted into the position of requirement.

Brief description of the drawings

Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the present utility model and advantage will Become readily apparent from.

Fig. 1 is a kind of structural representation for hiding movable stand system of the present utility model；

Fig. 2 is the structural representation after the lifting platform decline shown in Fig. 1；

Fig. 3 is the structural representation of the movable stand shown in Fig. 1；

Fig. 4 is the support frame and the schematic top plan view of guide rod part shown in Fig. 3；

Fig. 5 is the structural representation that the forerunner's unit shown in Fig. 3 is arranged on grandstand support；

Fig. 6 is the structural representation of the automatic deviation correction unit hidden in movable stand system of the present utility model；

Fig. 7 is the structural representation of the reference plate shown in Fig. 6；

In figure：1st, containing cavities；2nd, cover plate；3rd, lifting support；4th, supporting plate；5th, drive rod；6th, hydraulic push rod；7th, activity is seen Platform；8th, guide groove；9th, guide wheel；10th, returning face plate；11st, reference plate；12nd, distance measuring sensor；13rd, fixed plate；14th, flat board；15th, hinge；

31st, lower-left bar；32nd, upper left bar；33rd, bottom right bar；34th, upper right bar；

51st, left set of drive rod；52nd, right group of drive rod；

701st, grandstand support；702nd, seat support；703rd, road wheel；704th, the first power transmission shaft；705th, motor； 706th, steel wire rope；707th, the first fixed pulley；708th, the second fixed pulley；709th, hoist engine；710th, guide post；711st, guide plate； 712nd, pulley；713rd, Collapsible seat；714th, road wheel wheel shaft；715th, sprocket wheel；716th, belt；717th, chain；718th, skin is driven Belt wheel.

Specific embodiment

Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with various shapes Formula is implemented, and is not understood as limited to implementation method set forth herein；Conversely, thesing embodiments are provided so that this practicality is new The design of example embodiment fully and completely, and will comprehensively be conveyed to those skilled in the art by type.Identical in figure Reference represents same or similar structure, thus will omit their detailed description.

Reference picture 1, Fig. 2, is a kind of structural representation for hiding movable stand system of the present utility model；This can hide Movable stand system can include being arranged on the containing cavities 1 of subsurface, be provided with for placing movable stand 7 in containing cavities 1 Lifting platform；The top of containing cavities 1 be provided with it is concordant with ground and can automatic switch cover plate 2.The side of cover plate 2 and containing cavities 1 It is hinged, the inner side of containing cavities 1 is hinged with multiple hydraulic push rods 6, and hydraulic push rod 6 is arranged on the side being hinged with cover plate 2, multiple liquid The external part and the inner side of cover plate 2 for pressing push rod 6 are hinged for driving the either on or off of cover plate 2.

Shown in reference picture 3, the movable stand 7 can be included：Multiple grandstand supports of vertical and spaced setting 701, the height of multiple grandstand supports 1 is reduced successively, and the bottom of the grandstand support 1 is provided with road wheel 3, the present embodiment In, the length of the upper layer grandstand support 1 of lower floor grandstand support 1 shortens successively；The movable stand 7 can also include multiple grandstands Supporting plate 2, one end of multiple grandstand supporting plates 2 is correspondingly arranged on multiple grandstand supports 1 respectively, multiple grandstand supporting plates The other end of grandstand supporting plate 2 higher in 2 is arranged above adjacent relatively low grandstand supporting plate 2, the grandstand supporting plate 2 On seat is installed.In the present embodiment, the seat is Collapsible seat 713.

The overall shifting of driving movable stand 7 is provided with multiple grandstand supports 701 on highly minimum grandstand support 701 Forerunner's unit that is dynamic or driving grandstand support 701 to launch forward, height highest grandstand support 701 in the grandstand support 701 On be provided with the rear-guard unit for driving grandstand support 701 to launch backward.

One, the middle part of grandstand support 703 is set to fix grandstand support；The orlop of grandstand support 701 is provided with driving Movable stand moves integrally or drives forerunner's unit that grandstand support 701 launches forward, and the superiors of grandstand support 701 are provided with The rear-guard unit for driving grandstand support 701 to launch backward.

Movable stand 7 is accommodated in accommodating chamber 1 in the case of not use by accommodating chamber 1 and lifting platform, is improved whole The service life of individual grandstand system；And accommodating chamber 1 is arranged on subsurface, the overall landscape effect at scenic spot is not interfered with；Activity Front and rear two parts of grandstand 7 are launched by two ways, it is to avoid stuck caused by stroke is long or movable stand 7 sideslip, Grandstand is set easily to stretch out or be retracted into the position of requirement.

Lifting platform includes at least one scissor lifting support 3, and the upper end of lifting support 3 is provided with for installation activity The supporting plate 4 of grandstand 7；The drive rod 5 for driving its lifting is provided with lifting support 3.Drive rod 5 uses hydraulic cylinder or electronic Cylinder.Driven by Hydraulic Cylinder strength is big, but floor space is big；Electric cylinder floor space is small, effect is high, but driving force is relatively small.

The left and right sides of each scissor lifting support 3 is correspondingly arranged on left and right two groups of drive rods, and lifting support is included Lower-left bar 31, upper left bar 32, bottom right bar 33, upper right bar 34；The top and upper left bar 32 of left set of drive rod 51 and lower-left bar 31 Top, right group of drive rod 52 connects the bottom of bottom right bar 33 and the bottom of upper right bar 34, as shown in Figure 2.In the present embodiment, left set of Drive rod 51, right group of drive rod 52 are two, and overall lifting formation is divided into two parts by two groups of drive rods reaches, and drops The low physical dimension of drive rod, reduces cost.

The medial surface of containing cavities 1 is vertically and symmetrically provided with multiple guide grooves 8, and the side of supporting plate 3 is provided with matches somebody with somebody with guide groove 8 That closes can roll in guide groove 8, and the guide wheel 9 coordinated with its gap；When lifting platform is not glanced off, guide wheel 9 will not Contacted with guide groove 8, when lifting platform is glanced off, wherein one or more guide wheels 9 can be contacted with guide groove 8, due to guide wheel 9 with lead Groove 8 coordinates to roll, so lifting platform will not be caused stuck and cannot be run.Its trend is provided with multiple pressures in guide groove 8 Force snesor, i.e., multiple pressure sensors are set for short transverse, multiple inputs multiple pressure of correspondence electrical connection of single-chip microcomputer The output end of sensor.When lifting platform is glanced off, it is that guide wheel 9 is contacted with guide groove 8 that single-chip microcomputer is not only recorded, Er Qietong The height of lifting platform when the altitude record for crossing the pressure sensor for producing pressure is glanced off, records the generation of each pressure sensor Pressure value, be easy to technical staff to take measures to repair the lifting platform.

The periphery of supporting plate 4 connects the returning face plate of supporting plate 4 and ground after trip shaft is rotatably connected to for upset 10, turn drive motor is installed on trip shaft.Turning over for supporting plate 4 and ground is connected after the periphery of supporting plate 4 sets upset Flap 10, beneficial to the expansion of grandstand.

Forerunner's unit can include：The motor 705 on highly minimum grandstand support 701 is installed on, is installed In on highly minimum grandstand support 701, and the first power transmission shaft 704 for setting along its length, it is installed on the grandstand branch Road wheel wheel shaft 714 on frame 701, the road wheel 703 is installed on the road wheel wheel shaft 714；It is installed on the road wheel Sprocket wheel 715 on wheel shaft 714.

Shown in reference picture 5, Fig. 5 is the structural representation that the forerunner's unit shown in Fig. 3 is arranged on grandstand support, Fig. 5 It is the left schematic side view from Fig. 3；The motor 705 is connected with first power transmission shaft 704 by belt 716, described First power transmission shaft 704 is connected with the sprocket wheel 715 by chain 717, and 704 turns of the power transmission shaft is driven by motor 705 Dynamic, the power transmission shaft 704 drives the road wheel 703 to rotate.The output end of motor 705 is provided with driving belt pulley 718, the driven pulley coordinated with the driving belt pulley 718 is coaxially installed with the first power transmission shaft 704, certainly, drive Motor 705 can also be realized with the connection of the first power transmission shaft 704 by chain and sprocket wheel.It is coaxial on the first power transmission shaft 704 The drive sprocket coordinated with the sprocket wheel 715 is installed, similarly, the first power transmission shaft 704 also may be used with the connection of road wheel wheel shaft 714 Realized with by belt and belt pulley.Motor uses variable-frequency motor, and variable-frequency motor can be any in its speed adjustable range Speed governing, and motor will not be damaged.

Drive the first power transmission shaft 704 to rotate by motor 705,703 turns of road wheel is driven by the first power transmission shaft 704 It is dynamic, so that drive grandstand support 701 successively to launch, conversely, when motor 705 is rotated backward, driving grandstand support 701 successively Withdraw, realize the Full-automatic telescopic of movable stand 7, use manpower and material resources sparingly；703 turns of road wheel is driven by same power transmission shaft It is dynamic, sideslip can be effectively prevented, grandstand is easily stretched out or be retracted into the position of requirement.

The rear-guard unit can include that one end is uniformly fixed on many of the length direction of height highest grandstand support 701 Strand steel wire rope 706, is provided with the second driving shaft through its length direction on fixed grandstand support, same on the second driving shaft Axle and multiple first fixed pulleys 707 are uniformly fixed with, multiple hoist engines 709, Duo Gesuo are installed on the fixed grandstand support The correspondence of hoist engine 709 is stated to be fixed with the other end of steel wire rope described in multiply 706；It is right on the ground of the rear side of the grandstand support 701 Multiple second fixed pulleys 708 should be installed, steel wire rope 706 described in multiply is by described in multiple first fixed pulley 707 and multiple The correspondence of second fixed pulley 708 is connected, and the auto-extending at the rear portion of grandstand support 701 is realized by the drawing of the hoist engine 709.

Steel wire rope 706 is pulled by the machine of multiple hoist engines 709, so as to drive grandstand support 701 successively to launch, work is realized The auto-extending of dynamic grandstand, uses manpower and material resources sparingly；Steel wire rope 706 is uniformly fixed on the length direction of grandstand support 701, and many Individual first fixed pulley 707 is fixed on same power transmission shaft, can effectively prevent sideslip, and grandstand is easily stretched out or is retracted into will The position asked.

Shown in reference picture 4, guide post 710 is provided with every layer of width of grandstand support 701, it is solid on guide post 710 Surely there is guide plate 711, the guide post 710 through adjacent layer in through hole, through hole is provided with guide plate 711, as shown in Figure 4；This In embodiment, guide plate 711 is arranged on the front end of guide post 710, so the nothing on the guide post 710 of basecoat grandstand support Guide plate 711 need to be set, similarly, when guide plate 711 is arranged on the rear end of guide post 710, in leading for most last layer grandstand support To guide plate 711 need not be set on bar 710.

The pulley 712 coordinated with the bottom surface of upper strata seat support 702 is provided with seat support 702.This implementation In example, grandstand supporting plate 2 is set to low early and high after step-like, and pulley 8 is arranged on the terrace of backstage.Pulley 8 can be supported The seat support of layer, and reduce friction.The bottom surface of seat support 702 is provided with the chute coordinated with pulley 8.Chute Guiding and spacing effect can be played.

The length direction of multilayer grandstand support 1 is set to successively shorten shape to high level from bottom, increases overall stability. The both sides of the width of seat support 702 are provided with handrail, increase the security of spectators.

The structural representation of the automatic deviation correction unit shown in reference picture 6, Fig. 7；On the fixed grandstand support of grandstand support 701 The reference plate 11 extended in parallel along the left or right side of movable stand 7, the superiors and orlop grandstand support left or right side are installed Face is provided with the distance measuring sensor 12 for measuring the superiors and orlop grandstand support to the distance of reference plate 11；Reference plate 11 is wrapped Containing the fixed plate 13 fixed with movable stand 7, the foldable plate parallel with the side of movable stand 7 is provided with fixed plate 13, Foldable plate includes multiple flat boards 14, and the foldable connection of hinge 15 is passed through between flat board 14.Reference plate 11 and distance measuring sensor 12 Constitute automatic deviation correction unit of the present utility model.Reference plate 11 is fixed on movable stand 7, prevents it from losing；And benchmark Cause, improve precision.

Automatic deviation rectifying device also wraps correction and includes control unit, and control unit includes microprocessor, for controlling motor Or the controller of hoist engine rotating speed, microprocessor is used for measure the setpoint distance value of its storage inside and distance measuring sensor 12 Distance value sends control signal compared to more backward controller.The input of single-chip microcomputer electrically connects the output end of distance measuring sensor 12, The output end of single-chip microcomputer electrically connects the input of controller, and control end of the controller respectively with motor or hoist engine is electrically connected Connect.

The distance value measured when distance measuring sensor 12 is identical with the setpoint distance value that microprocessor internal is stored or falls When in the margin of tolerance of setting value, Single-chip Controlling motor or hoist engine are operated according to current state；When range finding is sensed When the distance value that device 12 is measured is less than the setpoint distance value that microprocessor internal is stored, Single-chip Controlling is near distance measuring sensor 12 Motor accelerate running speed, while slowing down running speed away from the motor of distance measuring sensor 12；When range finding is sensed When the distance value that device 12 is measured is more than the setpoint distance value that microprocessor internal is stored, Single-chip Controlling is near distance measuring sensor 12 Motor plus-minus slow-speed speed, while away from distance measuring sensor 12 motor accelerate running speed.

Distance measuring sensor 12 uses laser range sensor, and laser range sensor range finding is accurate.

This can hide movable stand system also includes control unit, and control unit includes single-chip microcomputer, for detecting that cover plate 2 is No switch angular transducer in place, for detecting whether lifting platform lifts displacement transducer in place, single-chip microcomputer is according to angle Startup and the pass of the angle signal of sensor output and the displacement signal of displacement transducer output, control drive rod and hydraulic push rod Close；The output end and the output end of displacement transducer of multiple inputs correspondence electrical connection angular transducer of single-chip microcomputer, single-chip microcomputer Multiple output ends correspondence electrical connection drive rod 5 control end and hydraulic push rod 6 control end.

The application method that this can hide movable stand system is as follows：

Its expansion process is：Cover plate 2 is opened, lifting platform rises, and after lifting platform rises in place, being turned under returning face plate 10 to support Plate 4 is connected with ground, and forerunner's unit drives the overall forward movement of movable stand 7 until leaving supporting plate 4 completely, packs up returning face plate 10, lifting platform declines, and closes cover plate 2；Forerunner's unit drives the entirety of movable stand 7 to be moved rearwards by until to fixed position, will see The fixed grandstand support of platform support 701 is fixed, by steel wire rope 706 by hoist engine 709, the first fixed pulley 707, the second fixed pulley 708 are corresponding in turn to connection；Forerunner's unit drives grandstand support 701 to launch forward, and rear-guard unit drives grandstand support 701 to open up backward Open；

Its storage process is：Forerunner's unit drives grandstand support 701 to close backward, packs up steel wire rope 706, and artificial promotion is seen The rear portion of platform support 701 closes it, and forerunner's unit drives the overall forward movement of movable stand 7 until leaving supporting plate 4 completely, beats Uncap plate 2, lifting platform rises, after lifting platform rises in place, turned under returning face plate 10 and supporting plate 4 is connected with ground, forerunner's unit The entirety of movable stand 7 is driven to be moved rearwards by until to fixed position, packing up returning face plate 10, lifting platform declines, and decline is closed afterwards in place Close cover plate 2.

Above-mentioned described feature, structure or characteristic can be combined in one or more embodiment party in any suitable manner It is characterized in interchangeable discussed in each embodiment if possible in formula.In superincumbent description, there is provided many specific thin Section fully understands so as to be given to implementation method of the present utility model.It will be appreciated, however, by one skilled in the art that can be real It is one or more during the technical solution of the utility model is trampled without the specific detail, or other sides can be used Method, component, material etc..In other cases, it is not shown in detail or describes known features, material or operation to avoid obscuring this The each side of utility model.

Although using the term of relativity in this specification, for example " on " D score describes a component of icon for another The relativeness of one component, but these terms are used in this specification merely for convenient, for example with reference to the accompanying drawings described in show The direction of example.Be appreciated that, if making it turn upside down the upset of the device of icon, describe " on " component will As the component in D score.The term of other relativities, such as " height " " low " " top " " bottom " " preceding " " afterwards " " left side " " right side " etc. are also made With similar meaning.When certain structure other structures " on " when, it is possible to refer to that certain structural integrity is formed in other structures, or Refer to that certain structure " direct " is arranged in other structures, or refer to that certain structure is arranged in other structures by another structure " indirect ".

In this specification, term " one ", " one ", " being somebody's turn to do ", " described " and " at least one " be used to represent in the presence of one or Multiple key element/parts/etc.；Term "comprising", " comprising " and " having " are used to represent the open meaning being included And refer to also there may be in addition to the key element/part/wait listed other key element/part/etc.；Term " the One ", " second " and " the 3rd " etc. only use as mark, are not the quantity limitations to its object.

It should be appreciated that the utility model be not limited in its application to this specification proposition part detailed construction and Arrangement.The utility model can have other embodiment, and can in many ways realize and perform.Foregoing change Shape form and modification fall in the range of the utility model.It should be appreciated that this disclosure and this reality for limiting Mentioned or all alternative group of obvious two or more independent features with the new text and/or drawings that extend to Close.All these different combinations constitute multiple alternative aspects of the present utility model.Implementation method described in this specification is said Understand and become known for realizing best mode of the present utility model, and those skilled in the art will be enable new using this practicality Type.

Claims (9)

1. one kind can hide movable stand system, it is characterised in that：Containing cavities (1) including being arranged on subsurface, the storage The lifting platform for placing movable stand (7) is provided with chamber (1)；

Be provided with the top of the containing cavities (1) it is concordant with ground and can automatic switch cover plate (2)；

The movable stand (7) includes：Multiple grandstand supports (701), vertical and spaced setting, multiple grandstand supports (701) height is reduced successively, and the bottom of the grandstand support (701) is provided with road wheel (703)；Multiple grandstand supporting plates (4), one end is correspondingly arranged on multiple grandstand supports (701) respectively, grandstand branch higher in multiple grandstand supporting plates (4) The other end of fagging (4) is arranged at adjacent relatively low grandstand supporting plate (4) above, is provided with the grandstand supporting plate (4) Seat；

Driving movable stand (7) to be provided with highly minimum grandstand support (701) overall in multiple grandstand supports (701) Forerunner's unit that is mobile or driving grandstand support (701) to launch forward, height highest grandstand branch in the grandstand support (701) The rear-guard unit for driving grandstand support (701) to launch backward is provided with frame (701).

2. one kind as claimed in claim 1 can hide movable stand system, it is characterised in that：The lifting platform includes at least one Individual scissor lifting support (3), the upper end of lifting support (3) is provided with the supporting plate for installation activity grandstand (7) (4)；The drive rod (5) for driving its lifting is provided with lifting support (3).

3. one kind as claimed in claim 2 can hide movable stand system, it is characterised in that：Each scissor lifting support (3) the left and right sides is correspondingly arranged on the two groups of drive rods in left and right, lifting support comprising lower-left bar (31), upper left bar (32), Bottom right bar (33), upper right bar (34)；The top and the top of upper left bar (32) of left set of drive rod (51) and lower-left bar (31), right group The bottom of drive rod (52) connection bottom right bar (33) and the bottom of upper right bar (34).

4. one kind as claimed in claim 1 can hide movable stand system, it is characterised in that：The cover plate (2) and containing cavities (1) side is hinged, and multiple hydraulic push rods (6) are hinged with the inside of the containing cavities (1), multiple hydraulic push rods (6) External part is hinged for driving cover plate (2) either on or off with cover plate (2) inner side.

5. one kind as claimed in claim 1 can hide movable stand system, it is characterised in that：The inner side of the containing cavities (1) Face is vertically and symmetrically provided with multiple guide grooves (8), the side of the supporting plate (4) be provided with guide groove (8) coordinate can be Rolled in guide groove (8), and the guide wheel (9) coordinated with its gap；The periphery of the supporting plate (4) is rotatably connected to by trip shaft Returning face plate (10) for connecting supporting plate (4) and ground after upset, turn drive motor is provided with the trip shaft.

6. one kind as claimed in claim 1 can hide movable stand system, it is characterised in that：The grandstand support (701) One, middle part is set to fix grandstand support；

Forerunner's unit includes：It is installed on the motor (705) on highly minimum grandstand support (701)；It is installed on height The first power transmission shaft (704) for setting on the minimum grandstand support (701) of degree and along its length, is installed on the grandstand support (701) the road wheel wheel shaft (714) on, the road wheel (703) is installed on the road wheel wheel shaft (714)；It is installed on described Sprocket wheel (715) on road wheel wheel shaft (714)；

The motor (705) is connected with first power transmission shaft (704) by belt (716), first power transmission shaft (704) it is connected by chain (717) with the sprocket wheel, drives the power transmission shaft (704) to rotate by motor (705), institute Stating power transmission shaft (704) drives the road wheel (703) to rotate.

7. one kind as claimed in claim 6 can hide movable stand system, it is characterised in that：The rear-guard unit includes one end The multistrand rope (706) of the uniform length direction for being fixed on height highest grandstand support (701), pacifies on fixed grandstand support It is coaxial on the second driving shaft and be uniformly fixed with multiple first fixed pulleys equipped with the second driving shaft through its length direction (707), multiple hoist engines (709), multiple hoist engine (709) correspondences and multiply institute are installed on the fixed grandstand support The other end for stating steel wire rope (706) is fixed；Correspondence is provided with multiple second and slides calmly on ground on rear side of the grandstand support (701) Wheel (708), steel wire rope (706) described in multiply is by multiple first fixed pulleys (707) and multiple second fixed pulley (708) Correspondence connection, the auto-extending at grandstand support (701) rear portion is realized by the drawing of the hoist engine (709).

8. one kind as claimed in claims 6 or 7 can hide movable stand system, it is characterised in that：Every layer of grandstand support (701) guide post (710) is provided with width, guide plate (711) is fixed with the guide post (710), it is described to lead To the guide post (710) being provided with plate (711) in through hole, the through hole through adjacent layer；Set in seat support (702) There is the pulley (712) coordinated with the bottom surface of upper strata seat support (702).

9. the one kind as described in any one of claim 1~7 can hide movable stand system, it is characterised in that：The grandstand branch The reference plate (11) extended in parallel along movable stand (7) left or right side is installed on the fixed grandstand support of frame (701), is most gone up Layer and orlop grandstand support left or right side are provided with for measuring the superiors and orlop grandstand support to reference plate (11) distance measuring sensor (12) of distance；

The reference plate (11) includes the fixed plate (13) fixed with movable stand (7), be provided with the fixed plate (13) with The parallel foldable plate in the side of movable stand (7), the foldable plate includes multiple flat boards (14), between the flat board (14) By hinge (15) foldable connection.