The application is a divisional application of the invention patent application 'a stretching stage'.
Application date of the original case: 2018-08-21.
Original application No.: 2018109563490.
the name of the original invention is: an extension stage.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the extension type stage, can adjust the length of the extension table according to performance contents, folds and stores the extension table part in the main stage, reduces the storage space, and solves the problem that the existing extension table is inconvenient to disassemble and assemble according to the performance contents.
The technical scheme of the invention is as follows:
an extension stage, includes main stage, and the front end of main stage is provided with the extension platform that stretches to the auditorium, the extension platform includes: the stage plate chain comprises stage plates, locking devices, electromagnets and supports, wherein the stage plates are sequentially hinged end to form a stage plate chain, the locking devices are arranged inside each stage plate, a stage plate storage cavity is arranged inside the main stage, one end of each stage plate chain is stored in the stage plate storage cavity in a folding mode, the other end of each stage plate chain extends out of the main stage, the two electromagnets are arranged in the main stage and are respectively arranged on two sides of the extending end of each stage plate chain, and the supports are arranged between the extending ends of the stage plate chains and the main stage;
the locking device includes: the locking pin, the pin connecting rod, the connecting rod sliding block and the telescopic shaft are arranged on the base; the hinge joint of two adjacent stage plates is respectively and oppositely provided with a locking groove and a locking pin groove, a locking pin is arranged in each locking pin groove, the locking pin is hinged with one end of a pin connecting rod, the other end of the pin connecting rod is hinged with a connecting rod sliding block, the connecting rod sliding block is arranged in a sliding block groove in each stage plate, the right side of each sliding block groove is provided with a telescopic shaft, the connecting rod sliding block is hinged with the left end of the telescopic shaft, and the right end of the telescopic shaft is hinged in each stage plate;
when the connecting rod sliding block slides to the upper end of the sliding block groove, the locking pin is inserted into the locking groove, the left end of the telescopic shaft is higher than the right end, and the telescopic shaft is in a compressed state;
when the connecting rod sliding block slides to the lower end of the sliding block groove, the locking pin is separated from the locking groove, the left end of the telescopic shaft is lower than the right end, and the telescopic shaft is in a compressed state;
the support includes the scissors fork support that two sets of mirror symmetry set up, and two sets of scissors fork support parallel arrangement stretch out the below of end at the stage plate link, the both ends of scissors fork support all are provided with a stiff end and a slip end, and the stiff end of scissors fork support one end with stage plate link stretches out fixed connection, the stiff end of scissors fork support other end with main stage fixed connection, the slip end embedding of scissors fork support one end in the support spout that stage plate link stretches out to serve, the slip end embedding of scissors fork support other end in the support spout on the main stage.
Furthermore, magnetic blocks are arranged at two ends of the connecting rod sliding block.
Further, the telescopic shaft includes: outer tube, expanding spring and interior sleeve pipe, interior sleeve pipe nestification is in the outer tube, and is provided with expanding spring between outer tube and the interior sleeve pipe, and expanding spring is in closing device, the tip and the articulated connection of connecting rod slider of outer tube, interior sheathed tube tip and the articulated connection of stage board
Furthermore, the adjacent stage plates are connected through a connecting plate, two ends of the connecting plate are respectively hinged with the stage plates on two sides, and a through hole for the locking pin to pass through is formed in the connecting plate.
Furthermore, rollers are arranged at the upper end and the lower end of the supporting column on the scissor type support.
The invention has the beneficial effects that:
1. the invention relates to an extension type stage, which comprises a main stage, wherein an extension table extending to an auditorium is arranged at the front end of the main stage, the length of the extension table can be adjusted according to performance requirements, the part, which is folded, of the extension table is stored in the main stage in a folded state, the extension table is not required to be disassembled, the length of the extension table can be adjusted conveniently according to performance contents, meanwhile, the storage space of the extension table is reduced by the folded part of the extension table, the volume of a storage cavity in the main stage is reduced, the strength of the main stage is ensured, and meanwhile, space is provided for other equipment in the main stage.
2. The extension table of the present invention comprises: the stage plate chain comprises stage plates, locking devices and electromagnets, wherein the stage plates are sequentially hinged end to form a stage plate chain, each stage plate is internally provided with the locking device, one end of the stage plate chain extends out of the main stage, the main stage is internally provided with the two electromagnets, and the two electromagnets are respectively arranged on two sides of the extending end of the stage plate chain.
3. According to the stage plate chain, the support is arranged between the extending end of the stage plate chain and the main stage and comprises two groups of scissor-type supports which are arranged in a mirror symmetry mode, two ends of each scissor-type support are respectively provided with the fixed end and the sliding end, the fixed end of one end of each scissor-type support is fixedly connected with the extending end of the stage plate chain, and the fixed end of the other end of each scissor-type support is fixedly connected with the main stage.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
detailed description of the invention
The embodiment discloses an extended stage, which is shown in a combination of fig. 1 and fig. 2;
the stage includes main stage, and the front end of main stage is provided with the extension platform that stretches to the auditorium, the extension platform includes: the stage plate chain comprises stage plates 1, locking devices 2, electromagnets 3 and supports 4, wherein the stage plates 1 are sequentially hinged end to form a stage plate chain, the locking devices 2 are arranged inside each stage plate 1, a stage plate storage cavity 5 is arranged inside the main stage, one end of each stage plate chain is folded and stored in the stage plate storage cavity 5, the other end of each stage plate chain extends to the outer side of the main stage, two electromagnets 3 are arranged in the main stage, the two electromagnets 3 are respectively arranged on two sides of the extending end of each stage plate chain, and the supports 4 are arranged between the extending end of each stage plate chain and the main stage;
when the stage board 1 is pulled out outwards, the stage board chain is pulled out outwards, the electromagnet 3 on one side of the stage board 1 attracts the locking device 2, the locking device 2 locks the currently pulled stage board 1 and the adjacent stage board 1, so that the two stage boards 1 are kept in a flat state, the two hinged stage boards 1 are prevented from rotating, the formed stage surface is smooth, two ends of the support 4 are arranged between the extending end of the stage board chain and the main stage, after the stage board 1 is pulled out, the support 4 is stretched, and a supporting structure is formed below the stage board chain; after the stage shape is determined according to the performance content, the length of the extension table is adjusted according to the requirement, so that the integral disassembly of the extension table is avoided; accomodate in stage board storage cavity 5 in stage board 1 and support 4 all with fold condition before pulling out to reduced the volume that stage board stored cavity 5, for accomodating the extension table wholly in main stage, saved and accomodate required volume, avoid the too big intensity that influences main stage of cavity, vacate the space for other equipment in the main stage simultaneously.
As shown in fig. 2, the locking device 2 includes: a locking pin 21, a pin connecting rod 22, a connecting rod sliding block 23 and a telescopic shaft 24; the hinge joint of two adjacent stage boards 1 is respectively and oppositely provided with a locking groove 11 and a locking pin groove 12, a locking pin 21 is arranged in the locking pin groove 12, the locking pin 21 is hinged with one end of a pin connecting rod 22, the other end of the pin connecting rod 22 is hinged with a connecting rod sliding block 23, the connecting rod sliding block 23 is arranged in a sliding block groove 13 in the stage board 1, the right side of the sliding block groove 13 is provided with a telescopic shaft 24, the connecting rod sliding block 23 is hinged with the left end of the telescopic shaft 24, and the right end of the telescopic shaft 24 is hinged in the stage board 1;
when the connecting rod sliding block 23 slides to the upper end of the sliding block groove, the locking pin 21 is inserted into the locking groove, the left end of the telescopic shaft 24 is higher than the right end, and the telescopic shaft 24 is in a compressed state;
when the connecting rod sliding block 23 slides to the lower end of the sliding block groove, the locking pin 21 is separated from the locking groove, the left end of the telescopic shaft 24 is lower than the right end, and the telescopic shaft 24 is in a compressed state;
when the stage board 1 is pulled out, the electromagnet 3 on the upper side of the stage board 1 attracts the connecting rod sliding block 23 to slide upwards, the connecting rod sliding block 23 pushes the locking pin 21 through the pin connecting rod 22, the locking pin 21 slides out of the locking pin groove 12, the locking pin 21 is embedded into the locking groove 11, so that the hinge structure of the adjacent and hinged stage boards 1 is locked, the telescopic shaft 24 pushes the connecting rod sliding block 23 to the upper end of the sliding block groove 13, and the locking state is locked;
when the stage board 1 is stored inwards, the electromagnet 3 at the lower side of the stage board 1 attracts the connecting rod slide block 23 to slide downwards, the connecting rod slide block 23 pulls the locking pin 21 through the pin connecting rod 22, the locking pin 21 slides into the locking pin groove 12, the locking pin 21 is separated from the locking groove 11, so that the hinge structure of the adjacent and hinged stage boards 1 is opened, the telescopic shaft 24 is turned downwards, the connecting rod slide block 23 is pushed to the lower end of the slide block groove 13, the opened state is locked,
as shown in fig. 3 and 4, the support 4 includes two sets of scissor-type supports arranged in mirror symmetry, the two sets of scissor-type supports are arranged in parallel below the extending end of the stage plate link, both ends of the scissor-type supports are provided with a fixed end 41 and a sliding end 42, the fixed end 41 at one end of the scissor-type support is fixedly connected with the extending end of the stage plate link, the fixed end 41 at the other end of the scissor-type support is fixedly connected with the main stage, the sliding end 42 at one end of the scissor-type support is embedded in the support sliding groove 14 at the extending end of the stage plate link, and the sliding end 42 at the other end of the scissor-type support is embedded in the support sliding groove 14 at the main stage;
when the stage board 1 is pulled outwards, the support 4 is stretched, the two groups of scissor-type supports in the support 4 stretch out along with the stretching, the support 4 stretches along with the movement of the stage board 1, a support structure is formed at the lower end of the stage board 1, and the stage board 1 is supported by the support columns 43 of the two groups of scissor-type supports; no additional support structure is required at the lower end of the stage board 1, while the support 4 can be housed inside the main stage along with the stage board 1.
Detailed description of the invention
In the present embodiment, in addition to the first embodiment, specifically, as shown in fig. 2, magnetic blocks 231 are provided at both ends of the link slider 23, and when the electromagnet 3 attracts the link slider 23, the electromagnet 3 attracts the magnetic blocks 231 to slide the link slider 23.
Detailed description of the invention
In this embodiment, on the basis of the second embodiment, as shown in fig. 5, the telescopic shaft 24 includes: the stage table comprises an outer sleeve 241, a telescopic spring 242 and an inner sleeve 243, wherein the inner sleeve 243 is nested in the outer sleeve 241, the telescopic spring 242 is arranged between the outer sleeve 241 and the inner sleeve 243, the telescopic spring 242 is positioned in a pressing device, the end part of the outer sleeve 241 is hinged with the connecting rod sliding block 23, and the end part of the inner sleeve 243 is hinged with the stage table 1;
the vertical distance between the slider groove 13 and the right end of the telescopic shaft 24 is smaller than the length of the telescopic shaft 24, so that when the connecting rod slider 23 slides to the other end at one end of the slider groove 13, the telescopic shaft 24 is compressed and released, so that when the connecting rod slider 23 is positioned at one end of the slider groove 13, the telescopic shaft 24 applies pressure towards the connecting rod slider 23 to the connecting rod slider 23, the connecting rod slider 23 is kept at the end part of the slider groove 13, the locking device 2 is kept in an open or closed state, and the locking device 2 is prevented from being opened after the stage is vibrated.
Detailed description of the invention
In this embodiment, on the basis of the first specific embodiment, specifically, as shown in fig. 2, the adjacent stage plates 1 are connected by a connecting plate, two ends of the connecting plate are respectively hinged to the stage plates 1 on two sides, and a through hole for passing the locking pin 21 is formed in the connecting plate.
Detailed description of the invention
In this embodiment, on the basis of the first embodiment, specifically, as shown in fig. 1, rollers 44 are disposed at the upper and lower measuring ends of the supporting column 43 on the scissor-type bracket.
Detailed description of the invention
In this embodiment, on the basis of the first embodiment, specifically, the extending stage further includes a laying mechanism 6 for laying a carpet on the upper surface of the stage board 1, and as shown in fig. 6, the laying mechanism 6 includes: the carpet comprises a carpet 61, a carpet reel 62 and a laying motor 63, wherein one end of the carpet 61 is fixedly connected with the extending end of the stage plate chain, the other end of the carpet 61 winds on the carpet reel 62 after winding around the stage plate storage cavity 5 from the upper part, and a rotating shaft of the carpet reel 62 is connected with the laying motor 63 through a belt;
when the extension stage is laid, the stage board chain is pulled out from the main stage, meanwhile, the extending end of the stage board chain pulls the carpet 61, the carpet 61 is rolled out from the carpet reel 62, and laid on the upper surface of the stage board 1 after bypassing the upper part of the stage board storage square cavity, and the carpet 61 is laid on the top of the stage board 1 while the extension stage is built.
Detailed description of the invention
In this embodiment, on the basis of the first embodiment, specifically, the extension stage further includes a deployment mechanism 7, the deployment mechanism 7 is used for automatically deploying the extension table, and as shown in fig. 7, the deployment mechanism 7 includes: the stage comprises an unfolding motor 71, unfolding wheels 72 and a connecting frame body 73, wherein the connecting frame body 73 is arranged at the front end of the stage plate 1 on the outermost side, the unfolding motor 71 is arranged on the inner side of the connecting frame body 73, a rotating shaft of the unfolding motor 71 is connected with the unfolding wheels 72 through a belt, and the rotating shaft of the unfolding wheels 72 is fixed on the connecting frame body 73 through a shaft seat;
the unfolding motor 71 of the unfolding mechanism 7 drives the unfolding wheels 72 to rotate, the stage plate 1 on the outermost side is pulled to move outwards, automatic unfolding of the extension table is achieved, the extension table is more convenient to build, meanwhile, the unfolding motor 71 is controlled to be powered on remotely in the performance process, the unfolding mechanism 7 is started, the length of the extension table is prolonged, and a better performance effect is achieved;
detailed description of the invention
This embodiment is based on the first embodiment, and specifically, the extension stage further includes an extending mechanism 8, the extending mechanism 8 extends the extension stage through the driving bracket 4, as shown in fig. 8 and 9, and the extending mechanism 8 includes: the stretching motor 81 is fixed on the stage plate 1 on the outermost side, one end of the synchronous belt 82 is sleeved on a rotating shaft of the stretching motor 81, the other end of the synchronous belt 82 is sleeved in the middle of the positive and negative tooth lead screw 83, two ends of the positive and negative tooth lead screw 83 are fixed on the stage plate 1 through a shaft seat, two ends of the positive and negative tooth lead screw 83 are respectively sleeved with one stretching slide block 84, and the two stretching slide blocks 84 are respectively connected with two sliding ends 42 on the outer side of the support 4;
the extension motor 81 drives the positive and negative screw rods 83 to rotate through the synchronous belt 82, the two extension sliding blocks 84 drive the two sliding ends 42 to slide outwards in the support sliding grooves 14, so that the two groups of scissor-type supports extend outwards, the stage plate 1 is pulled to move outwards through the support 4, automatic laying of the extension platform is realized, the extension mode that the two groups of scissor-type supports extend outwards to pull the stage plate 1 is adopted, the problem of wheel body slipping is avoided compared with the mode that a wheel body is pulled, meanwhile, the extension motor 81 is remotely controlled to be powered on in the performance process, the extension mechanism 8 is started to prolong the length of the extension platform, and a better performance effect is achieved;
detailed description of the invention
The method for extending the extension stage disclosed in this embodiment is applied to the extension stage of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment, and is used for building an extension table at the front end of the extension stage, so that the length of the extension table can be adjusted by the stage according to the performance content, and a better performance effect can be achieved;
a method for extending an extended stage, as shown in fig. 1-5, specifically comprising the following steps:
step a: determining the length of an extension table at the front end of the main stage according to the performance content;
step b: the stage board chain formed by the stage boards 1 is pulled out from the interior of the stage board storage cavity 5 by pulling the stage board 1 at the outermost side outwards from the interior of the main stage, and the stage board chain is changed into a flat state from a folded state in the stage board storage cavity 5; the stage board 1 is stored in the stage board storage cavity 5 in a folded state, so that the storage volume is reduced;
step c: starting the electromagnet 3 on the side surface of the extending end of the stage board chain, wherein the electromagnet 3 attracts the connecting rod sliding block 23, the connecting rod sliding block 23 slides from one end to the other end in the sliding block groove 13, the connecting rod sliding block 23 pushes the locking pin 21 to slide through the pin connecting rod 22, the locking pin 21 slides out of the locking pin groove 12, the locking pin 21 is embedded into the locking groove 11 on the adjacent stage board 1, and the extending end of the stage board chain is locked in a flat state; the stage block 1 is locked in a non-contact mode, so that the stage block 1 is kept in a flat state;
step d: the support 4 is pulled to move outwards, the fixed end 41 on the outer side of the support 4 moves outwards along with the extending end of the stage plate chain, the sliding end 42 on the support 4 slides towards the fixed end 41 in the support sliding groove 14, the two scissor type supports extend, and a support is formed at the lower end of the stage plate 1; forming a support structure extending along the stage plate 1 below the stage plate 1;
step e: covering the top and the side of the extending table with a covering.
Detailed description of the preferred embodiment
In this embodiment, specifically, in the step c, after the link slider 23 slides from one end to the other end in the slider groove 13, the extension spring 242 in the extension shaft 24 is in a compressed state, and the link slider 23 is compressed at the end in the slider groove 13.
Detailed description of the invention
In this embodiment, on the basis of the ninth embodiment, specifically, in the step c, after the locking pin 21 slides out of the locking pin slot 12 and the locking pin 21 passes through the through hole on the connecting plate, the locking pin 21 is embedded into the locking slot 11 on the adjacent stage plate 1.
Detailed description of the invention
In this embodiment, on the basis of the ninth embodiment, specifically, in the step d, the rollers 43 at the lower ends of the supporting pillars on the supporting frame 4 roll in contact with the ground, and the rollers 43 at the upper ends of the supporting pillars roll in contact with the lower surface of the stage plate 1.
Detailed description of the invention
In this embodiment, on the basis of the ninth embodiment, specifically, as shown in fig. 6, when the top surface of the extension table is covered with the covering, the laying motor 63 rotates, the laying motor 63 drives the carpet reel 62 to rotate through the belt, the carpet 61 is wound out from the carpet reel 62, the extending end of the stage board chain pulls one end of the carpet 61, and the carpet 61 is laid on the upper surface of the stage board 1 after passing around the stage board storage square cavity;
when the extension stage is laid, the stage board chain is pulled out from the main stage, meanwhile, the extending end of the stage board chain pulls the carpet 61, the carpet 61 is rolled out from the carpet reel 62, and laid on the upper surface of the stage board 1 after bypassing the upper part of the stage board storage square cavity, and the carpet 61 is laid on the top of the stage board 1 while the extension stage is built.
Detailed description of the invention fourteen
On the basis of the ninth embodiment, specifically, as shown in fig. 7, after the length of the extending platform at the front end of the main stage is determined according to the performance content, the extending mechanism 7 is started, the extending motor 71 is powered on, the rotating shaft of the extending motor 71 drives the extending wheel 72 to rotate through the belt, the extending wheel 72 is in contact with the ground, and the extending wheel 72 pulls the stage plate 1 at the outermost side to move outwards through the connecting frame body 73;
the unfolding motor 71 of the unfolding mechanism 7 drives the unfolding wheels 72 to rotate, the stage plate 1 on the outermost side is pulled to move outwards, automatic unfolding of the extension table is achieved, the extension table can be more conveniently built, meanwhile, in the performance process, the unfolding motor 71 is controlled to be powered on through remote control, the unfolding mechanism 7 is started, the length of the extension table is prolonged, and a better performance effect is achieved.
Detailed description of the invention
Based on the ninth embodiment, specifically, with reference to fig. 8 and 9, after determining the length of the extending platform at the front end of the main stage according to the performance content, the extending mechanism 8 is started, the extending motor 81 is powered to rotate, the extending motor 81 rotates the positive and negative lead screws 83 through the synchronous belt 82, the positive and negative lead screws 83 push the two extending slide blocks 84 outwards, the sliding ends 42 slide in the support slide grooves 14, and the two sets of scissor-type supports extend outwards to pull the stage plate 1 at the outermost side to move;
the extension motor 81 drives the positive and negative screw rods 83 to rotate through the synchronous belt 82, the two extension sliding blocks 84 drive the two sliding ends 42 to slide outwards in the support sliding grooves 14, so that the two groups of scissor-type supports extend outwards, the stage plate 1 is pulled to move outwards through the support 4, automatic laying of the extension platform is realized, the extension mode that the two groups of scissor-type supports extend outwards to pull the stage plate 1 is adopted, the problem of wheel body slipping is avoided compared with the mode that a wheel body is pulled, meanwhile, the extension motor 81 is remotely controlled to be powered on in the performance process, the extension mechanism 8 is started to prolong the length of the extension platform, and a better performance effect is achieved;
the above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.