CN101612482B - Foldable spheroid prop structure for large-scale performances - Google Patents
Foldable spheroid prop structure for large-scale performances Download PDFInfo
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- CN101612482B CN101612482B CN2009100894910A CN200910089491A CN101612482B CN 101612482 B CN101612482 B CN 101612482B CN 2009100894910 A CN2009100894910 A CN 2009100894910A CN 200910089491 A CN200910089491 A CN 200910089491A CN 101612482 B CN101612482 B CN 101612482B
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Abstract
The invention discloses a foldable spheroid prop structure for large-scale performances, which comprises a spheroid (3), an elevating device (1), a bottom layer fixing frame (9) and a self-prestressed steel cable. The spheroid (3) can be folded; the elevating device (1) is arranged inside the spheroid (3), and the top part of the elevating device (1) is connected with the top part of the spheroid; the bottom layer fixing frame (9) is used for laying and fixing the elevating device (1); self-prestressed steel cable is arranged in the spheroid (3) and used for maintaining the stability of the spheroid (3) which is in extending state. Before or after performances, the prop structure can be folded to be stored in a space, the volume of which is smaller than half of the spheroid. The prop structure can be unfolded to be a large spheroid during the performance, and the spheroid can bear the load of the spheroid and a plurality of stunt performers and simultaneously maintain the stability of the spheroid.
Description
Technical field
The present invention relates to a kind of stage setting, prop structure is used in the particularly a kind of performance that can carry the collapsible of performing artist and launch.
Background technology
In large-scale performance, often that some are large-scale structure or stage property need be made the orbicule more than the 10m, and need the acrobat to do stunt above the orbicule at this.Existing orbicule performance not only takes up room too big with stage property, and the acrobat can not be put in place rapidly.In addition, because the performance of existing orbicule can not be shunk with stage property, the parking space that therefore requires is bigger.
At present, stage property is used in the orbicule performance that does not have to leave in the load bearing requirements that can satisfy this body structure of spheroid in the less relatively space again.
In addition, for the prop structure of above-mentioned orbicule,, therefore require its stability that must keep spheroid to guarantee performing artist's safety owing to need to supply performance activities such as numerous performing artists walk, jump above that.
And; Because the volume ratio of the spheroid prop after propping up is bigger; It need have big stroke along the up-down direction, therefore, requires jacking apparatus that bigger lifting distance must be arranged; Both guaranteed that orbicule was withdrawn to hemisphere so that leave in the less space, and can and keep being sphere-like with its stable rise again.
Summary of the invention
The purpose of this invention is to provide a kind of spherical prop structure of folding that is used for large-scale performance; It can the time be launched into the spheroid that can carry the performing artist and keep the stable of spheroid in performance, when finishing performance collapsible and folding and unfolding to volume less than depositing in the required space of half spheroid.
For realizing the object of the invention, the spherical prop structure of the folding that provides comprises: orbicule can fold; Jacking apparatus comprises that the multistage lifting frame of intussusception drives the lowering or hoisting gear that said multistage lifting frame rises with being used to successively, is placed in the inside of orbicule, and its top links to each other with the top of orbicule; The bottom fixed mount is used for settling and fixing jacking apparatus; From prestressed cable, be placed in the stable of the orbicule that is used to keep to be in extended configuration in the orbicule, the multistage lifting frame is two-stage crane at least, lowering or hoisting gear comprises at least the first lowering or hoisting gear and second lowering or hoisting gear, wherein
First lowering or hoisting gear is placed in the bottom fixed mount, comprises the first Circularly liftable chain group, drives the drive unit that the first Circularly liftable chain group moves, and is used to drive the one-level crane and rises; Drive sprocket is walked around in the first Circularly liftable chain group bottom; The sprocket wheel that turns to that is placed in bottom fixed mount top is walked around on top, forms inboard chain and outside chain, and inboard chain fuses through jockey and one-level crane bottom; Make when drive sprocket is just changeing the driving first Circularly liftable chain group; Outside chain moves down and moves on the inboard chain, drives the one-level crane thus and rises, when drive sprocket reverses; Inboard chain moves down and moves on the chain of the outside, and the one-level crane is descended;
Second lowering or hoisting gear is placed in the one-level crane, comprises being arranged on second on the one-level crane crane
Circularly liftable chain group is used to drive the two grade of ascend and descend frame and rises, and an end of the second Circularly liftable chain group is fixed on
On the holder on the bottom fixed mount base cross members, the other end is walked around and is fixed on the one-level crane top cross beam
Turn to sprocket wheel on the elevating chain group steering base, be fixed in the holder on the crossbeam of two grade of ascend and descend frame bottom, when
When the one-level crane rises under the drive of the first Circularly liftable chain group, consolidating on the bottom fixed mount base cross members
Second elevating chain group part elongation gradually between reservation and the elevating chain steering base, and holder and up-down chain
Second elevating chain group part between the bar steering base shortens gradually, thus through second elevating chain group pulling two
The level crane rises;
Position at the inboard corresponding one-level crane vertical beam in two ends of four crossbeams at the rectangular frame top of bottom fixed mount; Directive wheel is set; Directive wheel leans in the side of four vertical beams in the rectangular frame bight of one-level crane, on four crossbeams of the position of in the middle part of the bottom fixed mount, leaning on four pairs of directive wheels is set also.
Wherein, orbicule comprises stackable a plurality of ring body.The top of orbicule 3 also is provided with the lifting platform that links to each other with the jacking apparatus top; Lifting platform links to each other through several reinforcing pull rods of evenly arranging with orbicule; The diameter of a plurality of ring bodies is reduced to two ends by the spheroid middle part according to the spheroid profile gradually, links to each other through the lifting rope that is arranged alternately between its adjacent ring body.
Particularly, each ring body is spliced by a plurality of ring sections.Connecting portion between the adjacent two ring sections establish can be mutually nested parts, the nested position of mutually nested parts is fixed through latch.
Particularly, the orbicule setting can supply the performing artist to stand and the inferior device of L type platform of performing and the dimension of hanging the performer.L type platform is supported on the intersection floor, and the floor that intersects is fixed on the ring body, and the two ends of lifting rope are separately fixed on the intersection floor on adjacent two ring bodies.
Particularly; Jacking apparatus comprises that a plurality of grades of intussusception are fallen frame; Many wherein an every end from prestressed cable links to each other with the middle part of orbicule in prestressed cable is arranged symmetrically in orbicule, and the other end links to each other with the bottom fixed mount; When a plurality of cranes extend out to the position of rising fully, from the complete tensioning of prestressed cable.On jacking apparatus, be fixed with and every prestressed cable fixed pulley one to one, every from prestressed cable through walking around corresponding fixed pulley by its guiding.Wherein, establish connecting plate, be connected on the connecting plate through shackle from an end of prestressed cable at the middle part of orbicule; On the bottom fixed mount, establish the connection otic placode, be connected through shackle from the other end of prestressed cable and connect on the otic placode.
Particularly, jacking apparatus comprises: the multistage lifting frame of intussusception successively is sleeved in the said bottom fixed mount; Lowering or hoisting gear is used to drive said multistage lifting frame and rises.
Particularly, the multistage lifting frame comprises two grade of ascend and descend frame at least, and lowering or hoisting gear comprises first lowering or hoisting gear and second lowering or hoisting gear, and wherein first lowering or hoisting gear is placed in the bottom fixed mount, be used to drive the one-level crane and rise; Second lowering or hoisting gear is placed in the one-level crane, is used to drive the two grade of ascend and descend frame and rises.In addition; Also comprise three grades of cranes that are nested in the two grade of ascend and descend frame; Three grades of cranes are through being placed in the inboard hoist cylinder jacking of two grade of ascend and descend frame; Wherein the bottom of two grade of ascend and descend oil cylinder is fixed in the bottom of hoist cylinder, and the top of three grades of cranes was fixed at the top of flexible piston rod under hydraulic oil drove in hoist cylinder.Stressed even in order to make, hoist cylinder is arranged on the center of secondary, three grades of cranes.
Particularly, first lowering or hoisting gear comprises the first Circularly liftable chain group, drives the drive unit that the first Circularly liftable chain group moves, and second lowering or hoisting gear comprises the second Circularly liftable chain group, drives the drive unit that the second Circularly liftable chain group moves.
Wherein, drive sprocket is walked around in the first Circularly liftable chain group bottom, and the sprocket wheel that turns to that is placed in bottom fixed mount top is walked around on top; Form inboard chain and outside chain; Inboard chain fuses through jockey and one-level crane bottom, makes that outside chain moves down and moves on the inboard chain when drive sprocket is just changeing the driving first Circularly liftable chain group; Driving the one-level crane thus rises; When drive sprocket reversed, inboard chain moved down and moves on the chain of the outside, and the one-level crane is descended; The drive sprocket of second drive unit is walked around in the second Circularly liftable chain group bottom; The sprocket wheel that turns to that is placed in one-level crane top is walked around on top, forms inboard chain and outside chain, and inboard chain fuses through second jockey and two grade of ascend and descend frame bottom; Make when drive sprocket is just changeing the driving second Circularly liftable chain group; Outside chain moves down and moves on the inboard chain, drives the two grade of ascend and descend frame thus and rises, when drive sprocket reverses; Inboard chain moves down and moves on the chain of the outside, and the two grade of ascend and descend frame is descended.
Wherein, jockey comprises the connector that links to each other with Circularly liftable chain group two ends, and connector is clamped on the Connection Block through bolt, and Connection Block and crane bottom are fixed into one.
The advantage applies of the spherical prop structure of folding of the present invention is in the following areas:
1, the orbicule of the utility model prop structure for constituting through a plurality of folding aluminium alloy ring bodies; Adopt the rope be interweaved to constitute bionical rope web frame between the adjacent ring body, make prop structure light weight, rigidity big, act freely; Realized stage property hiding in the confined space; Not only bear the load and the external loads of self-structure itself, and represented the unification of the power and beauty of structure, satisfied actual performance requirement.
2, pass through among the present invention to be provided with from the prestress steel cable system; Automatically apply prestressing force from the expansion of prestress steel cable system through stage property, need not add tensioning apparatus, not only applied fixing restraining force to guarantee the stability of spheroid prop structure when performing work for orbicule; And since its structure dexterous, act freely, light weight; Be convenient to deposit relative narrow space, do not take the miscellaneous equipment space, the rigid support that therefore compares is more prone to realize and control.
3, the jacking apparatus that is provided with among the present invention both made guarantee that large-scale spheroid prop is folded into can the folded state of folding and unfolding in less space; Can realize big lifting distance again, make stable rise of spheroid prop of its folded state present spherical and keep stable spherical.
Description of drawings
Fig. 1 is the profile of the duty of spheroid prop structure of the present invention;
Fig. 2 is the interior vertical view from prestressed cable of orbicule of the present invention;
Fig. 3 is in the profile of folding collapsed state for orbicule of the present invention;
Fig. 4 a is the local amplification plan view of the present invention from the ring body junction of prestressed cable and orbicule;
Fig. 4 b is the local enlarged side view of the present invention from the ring body junction of prestressed cable and orbicule;
Fig. 5 passes through the local Zoom Side cutaway view of jacking apparatus middle part turning point from prestressed cable for the present invention;
Fig. 6 is the partial enlarged view of the present invention from prestressed cable and bottom fixed mount junction;
Fig. 7 is the vertical view of orbicule of the present invention;
Fig. 8 is the front view of orbicule of the present invention;
Fig. 9 is for constituting the cutaway view of each ring section connecting portion that encircles;
Figure 10 is the ring body L type sectional drawing on the orbicule of the present invention;
Figure 11 is the partial enlarged drawing of the syndeton between the adjacent ring of orbicule of the present invention;
Figure 12 is the partial enlarged view of B portion among Fig. 8;
Figure 13 is the partial enlarged view of A portion among Fig. 7;
Figure 14 is the front view of the rise state of jacking apparatus among the present invention;
Figure 14 a is the vertical view of jacking apparatus among the present invention;
Figure 15 is the one-level crane of jacking apparatus among the present invention and the zoomed-in view of bottom fixed mount;
Figure 16 is the partial enlarged view of A portion among Figure 15;
Figure 16 a is the right side view along structure shown in Figure 16;
Figure 17 is the partial enlarged view of B portion among Figure 15;
Figure 17 a is the right side view along structure shown in Figure 17.
Figure 18 is that fueller is placed in the sketch map that is in off position in the jacking apparatus;
Figure 18 a is the enlarged drawing of A portion among Figure 18;
Figure 18 b is the enlarged drawing of B portion among Figure 18;
Figure 18 c is the enlarged drawing of C portion among Figure 18;
Figure 18 d is the right side view of Figure 18 a;
Figure 19 is the vertical view of Figure 18;
Figure 20 is that fueller is placed in the in running order sketch map in the lowering or hoisting gear.
Description of reference numerals
1, jacking apparatus; 2, flexible cable; 3, orbicule; 4, ground; 5, stage property platform storehouse; 6, support; 6a, support column; 7, performing artist; 8, lifting rope; 9, bottom fixed mount; 9a, crossbeam; 9b, vertical beam; 10, lifting platform; 101, lifting platform engaging lug; 102, reinforcing pull rod; 11, a ring; 11a, a ring secondary ring; 12, two rings, 13, three rings; 14, Fourth Ring; 14a, Fourth Ring secondary ring; 15, five rings; 15a, five rings secondary ring; 16, six rings; 17, seven rings; 18, eight rings; 19, nine rings; 20, L shaped platform; 20a, the floor that intersects; 15 ", left side ring section; 15 ', right ring section; 151, thin joint; 152, thick joint; 153, latch; 21, connecting plate; 22, shackle; 23, fixed pulley; 24, pulley yoke; 25, mount pad; 26, connect otic placode; 27, prestige substructure; 30, the L shaped platform in five rings; 30a, five rings intersection floor; 31, one-level crane; 31a, crossbeam; 31a ', mount pad; 32, two grade of ascend and descend frame; 33, three grades of cranes; 34, hoist cylinder; 34a, piston rod;
51, hoist cylinder supporter; 53, fixing oil pipe; 53a, adpting flange; 54, telescopic oil tube; 54a ', adpting flange; 55, tube connector; 56, magnetic valve; 57, hand-operated valve; 58a, upper connector; 59a, last mounting rail; 58b, following connector; 59b, following mounting rail; 60, fuel feed pump;
90, elevating chain group; 91, outer elevating chain steering base; 911, sprocket bearing; 912, sprocket wheel; 913, bolt; 914; Holder; 92, internal layer elevating chain steering base; 93, outer elevating chain group; 94, internal layer elevating chain group; 95, elevating chain group jockey; 951, carrier bar fixed hole seat; 952, fastening bolt; 953, Connection Block; 954, connector; 955, latch; 96, directive wheel; 97, lifting drive; 98, jockey; 99a, holder, 99b, holder; 111,112,113, scalable oil pipe section.
The specific embodiment
The specific embodiment that the present invention is used for the spherical prop structure of folding of large-scale performance is described with reference to the accompanying drawings.
Like Fig. 1,2, shown in 3, the spherical prop structure of folding of the present invention mainly comprises folding orbicule 3, prop up the jacking apparatus 1 of orbicule 3 and be positioned at orbicule 3 inside and be used for stablizing the retractable from the prestress steel cable system of orbicule 3.Whole orbicule 3 can pass through the contraction and the rise of jacking apparatus 1 in little space; Be hidden in rapidly in the stage property platform storehouse and be rendered as orbicule 3 fast; To adapt to the needs of performance; When being rendered as orbicule, keep bearing orbicule 3 stable of external load from the prestress steel cable system through extendible.
With reference to Fig. 3, put 1 folding packing up downwards when the jacking shape, drive lifting platform 10 through jacking apparatus 1, Jiang Gehuan is pull-up one by one, to realize the expansion of orbicule 3; When performance finishes,, make six rings, 16, seven rings, 17, eight rings 18, nine that constitute lower semisphere encircle 19 and drop to one by one on the support column 6a separately that is placed on the rack platform 6 through jacking apparatus 1 decline at center; Lifting platform 1 is by jacking apparatus 1 supporting, and the ring body that constitutes first spheroid comprises that a ring 11, two rings 12, three rings 13 hang on the lifting platform 10 successively, and 14 at Fourth Ring is stacked on the five rings 15, makes whole orbicule 3 be folding collapsed state thus.Following the lifting rope 8 of three rings this moment is relaxed state, and contraction is sagging naturally under the deadweight effect from each cable wire of prestress steel cable system 2.
Refer again to Fig. 1 and 2; As keep orbicule 3 stable from the prestress steel cable system, comprise that two ends are fixed, the exactly determined many cable wires 2 of length, as in the orbicule of Fig. 2 from shown in the vertical view of prestressed cable; Evenly be furnished with in the orbicule 3 by the five rings 15 in the middle of the jacking apparatus 1 outside orbicule 3 and extend; Arrange 8 of cable wires by this way: when overlooking, according to the actual arrangement situation of jacking apparatus 1 with ring body, the angle between the adjacent cable wire of 8 cable wires alternately is 36 °, 48 °.As shown in Figure 1,15 inside, five rings are fixed in the upper end of cable wire 2, and cable wire 2 is walked around the fixed pulley 23 that is fixed in jacking apparatus 1 middle part, and its other end is fixed on the bottom fixed mount 9 of jacking apparatus 1.When orbicule 3 during by jacking apparatus 1 jacking to fully lift position shown in Figure 1, cable wire just in time is in the state of complete tensioning, through the prestressing force that cable wire 8 tensionings provide, applies scleronomic constraint power for orbicule 3, improves its stability with this.
With reference to Fig. 4 a, 4b the fixed structure at cable wire 8 and five rings 15 is described below; As shown in the figure; 15 the internal fixation connecting plate 21 at the five rings links together the head end and the connecting plate 21 of cable wire 8 through the shackle 22 that is screwed on connecting plate, thereby the head end of cable wire 2 is fixed on the five rings 15.
Like Fig. 1,5, shown in 6; Be used for the fixed pulley that cable wire 8 leads is installed in pulley yoke 24; Pulley yoke 24 fixes through the holder 25 of relevant position on bolt and the jacking apparatus 1; Head end is fixed on cable wire 2 extensions on the five rings 15 and walks around the fixed pulley 23 that is fixed on the jacking apparatus, extends to the connection otic placode 26 on the bottom fixed mount 9 afterwards, and its end is fixed through snap close and is connected otic placode 26.
This shows that when orbicule was in folded state, cable wire 2 was in relaxed state fully, was deposited in (see figure 3) in the very little space; After the jacking apparatus 1 at center hoists fully; Eight flexible cables 8 just in time are in the state of complete tensioning with certain angle; Apply prestressing force to ring body, keep the stable (see figure 1) of orbicule under special load (comprising orbicule deadweight and performing artist's deadweight) effect.
Specify the structure and the course of work of jacking apparatus of the present invention with reference to Figure 14,15,16,16a, 17,17a.
Shown in figure 14; Jacking apparatus 1 comprises one-level crane 31, two grade of ascend and descend frame 32 and the three grades of cranes 33 that are placed in intussusception in the bottom fixed mount 9; One-level crane 31 rises through the elevating chain group 93 that is arranged on bottom fixed mount 9; Two grade of ascend and descend frame 32 rises through the elevating chain group 94 that is arranged on the one-level crane 31, and three grades of 33 of cranes pass through hoist cylinder 34 and rise.
Shown in Figure 14 a, the plan structure of cranes at different levels is square or rectangle.In the two opposite sides of one-level crane 31 one group of elevating chain group 93 is set respectively, every group comprises two pairs of elevating chain groups, around the home on the elevating chain steering base 91 at the crossbeam 9a two ends of being fixed in bottom fixed mount 9; In the two opposite sides of two grade of ascend and descend frame 32 one group of elevating chain group 94 is set respectively, every group comprises two pairs of elevating chain groups, around the home on the elevating chain steering base 92 at the crossbeam 31a two ends of being fixed in one-level crane 31; The fixed elevated oil cylinder 34 in the bottom of two grade of ascend and descend frame 32, and piston rod 34 is placed in and carries out in the hoist cylinder 34 stretching up and down, and its top connects the top of three grades of cranes 33, and lifting platform 10 is settled at the top of crane 33.
Shown in figure 15, the inboard chain of elevating chain group 93 is provided with 95 through connection and links to each other with the crossbeam 31a of one-level crane 31 bottoms.Figure 16 shows the zoomed-in view of jockey 95; Establish mount pad 31a ' on the crossbeam 31a; Jockey 95 comprises the Connection Block 953 that links to each other through bolt with mount pad 31a ', and Connection Block 953 cross sections take the shape of the letter U, and the upper end of elevating chain group 93 is fixed on the top of connector 954; The lower end is fixed on the bottom of connector 954, and connector 954 is clamped in the U-shaped mouth of Connection Block 953 through bolt 952.
Shown in Figure 16 a, the lower end of elevating chain group 93 or the carrier bar of upper end insert in the carrier bar fixed hole seat 951, pass the hole and the carrier bar fixed hole seat 951 of carrier bar through making latch 955, and elevating chain group 93 and connector 954 are fixed into one.
Like Figure 15, shown in 17; On the top cross beam 9a of bottom fixed mount 9, settle elevating chain group steering base 91; Shown in Figure 17 a, holder 914 is set on the crossbeam 9a, elevating chain group steering base 91 is fixed on the holder 914 through bolt 913; Elevating chain group steering base 91 bottoms are provided with sprocket bearing 911, be equipped with on it be used for elevating chain group 93 around the home turn to sprocket wheel 912.
Shown in figure 15; On the drive sprocket 97a that also is wound on drive unit of elevating chain group, make elevating chain group 93 form a chain ring through sprocket wheel 912 with output chain gear 97a, when drive device drives drive sprocket 97a turns clockwise; Rise in the inboard of elevating chain group 93; The outside descends, and through being fixedly coupled the bottom that device 95 upwards spurs one-level crane 31 with elevating chain group 93, one-level crane 31 is risen.
With reference to Figure 14; The mounting structure and the mode and the course of work that make the elevating chain group 94 that two grade of ascend and descend frame 32 hoists are described: an end of internal layer elevating chain group 94 is fixed on the holder 99a on bottom fixed mount 9 base cross members; The other end is walked around the sprocket wheel that turns on the interior elevating chain steering base 92 on the crossbeam 31a that is fixed on one-level crane 31 tops, is fixed in the holder 99b on two grade of ascend and descend frame 32 base cross members.
When one-level crane 31 rises under outer elevating chain group 93 drives; Interior elevating chain group part between holder 99b and the internal layer elevating chain steering base 92 shortens gradually; And the interior elevating chain group part between holder 99a and the internal layer elevating chain steering base 92 prolongs gradually, rises through internal layer elevating chain group 94 pulling two grade of ascend and descend framves 32 thus.When one-level crane 31 rose to the extreme higher position, internal layer elevating chain group 94 also drove two grade of ascend and descend frame 32 arrival extreme higher positions.
Position at the inboard corresponding one-level crane vertical beam 31b in two ends of four crossbeam 9a at the rectangular frame top of bottom fixed mount 9; Directive wheel 96 is set; Referring to Figure 14 a; The inboard at four crossbeam 9a two ends in the same plane is provided with 4 pairs of directive wheels altogether, and the four pairs of directive wheels 96 lean the side at four vertical beam 31b in the rectangular frame bight of one-level crane 31.On four crossbeams of the position of leaning at bottom fixed mount 9 middle parts in addition, four pairs of same directive wheels are set also.
When one-level crane 31 rises through the relative bottom fixed mount 9 of the drive of elevating chain group; Directive wheel 96 prevents that the one-level crane from rocking; When rising to the extreme higher position, shown in figure 14, jockey 95 rises to four pairs of directional wheels of bottom; Two groups of four pairs of directional wheels up and down prevent it and tumble 31 stabilizations of one-level crane.
Same on the top cross beam 31a and middle part crossbeam on the top of one-level crane 31, be arranged to right directional wheel 96 with the same manner, it rocks in the process of hoisting and tumbles when arriving the extreme higher position to prevent two grade of ascend and descend frame 32.
Refer again to Figure 14; Driving the drive unit that three grades of cranes 33 hoist with respect to two grade of ascend and descend frame 32 is hoist cylinder 34; The bottom of hoist cylinder 34 is placed in the bottom of two grade of ascend and descend frame 32, and the top of three grades of cranes is fixed at the top that is placed in the piston rod 34a in the hoist cylinder 34, during through the hoist cylinder oil-feed; Promote piston cylinder 34a and stretch out, three grades of cranes 33 are risen with respect to two grade of ascend and descend frame 32.
Shown in Figure 18 and 19, three grades of cranes 33 of jacking apparatus top rise with respect to two grade of ascend and descend frame 32 through the up-down hoist cylinder 34 that is arranged in the two grade of ascend and descend frame 32.According to top explanation, one-level crane 31 drives through two groups of elevating chain groups 93,94 respectively with two grade of ascend and descend frame 32.
Shown in figure 18, hoist cylinder 34 is placed in the two grade of ascend and descend frame 32 through hoist cylinder supporter 51, and the bottom of hoist cylinder supporter 51 is fixed in two grade of ascend and descend frame 32 bottoms, and two grade of ascend and descend frame 32 tops are fixed at the top.The bottom of hoist cylinder 34 is placed on the hoist cylinder supporter 51, and the top of three grades of cranes 33 is fixed at the top of the piston rod 34a that can in its hoist cylinder 34, stretch.
The present invention is parallel to the setting of hoist cylinder axis through making telescopic oil tube; Telescopic oil tube can stretch with moving of hoist cylinder; Guaranteed the hoist cylinder fuel feeding that moves on the two grade of ascend and descend frame, so that the three grades of cranes 33 that are stacked in the two grade of ascend and descend frame 32 through the hoist cylinder actuating sleeve that moves carry out telescopic moving up and down.
With reference to Figure 14,18; Because the bottom of bottom fixed mount 9 is fixed in through mounting rail 59a down in the bottom of telescopic oil tube 54, therefore, when one-level crane 31 and two grade of ascend and descend frame 32 by bottom fixed mount 9 in during rise; The telescopic oil tube section 1,2,3 that drives the mutual intussusception of 3 joints of telescopic oil tube 54 is stretched out; When one-level crane 31 and two grade of ascend and descend frame 32 rise to the highest extreme position, open magnetic valve 56, through telescopic oil tube 54, fixing oil pipe 53 fuel feeding in hoist cylinder 34.
As shown in Figure 3; Hoist cylinder 34 is placed in the two grade of ascend and descend frame 32 through hoist cylinder supporter 51; The top of three grades of cranes 33 is fixed at the top that is placed in the piston rod 34a in the hoist cylinder 34, therefore, and when making hoist cylinder 34 oil-feeds through fueller; Piston rod 34a by ejecting in the hoist cylinder 34, is promoted three grades of cranes 33 and rises with respect to two grade of ascend and descend frame 32.
Claims (7)
1. collapsible spheroid prop structure that is used for large-scale performance comprises:
Orbicule (3) can fold;
Jacking apparatus (1) comprises the multistage lifting frame of intussusception (31,32,33) successively and is used to drive the lowering or hoisting gear that said multistage lifting frame (31,32,33) rises that be placed in the inside of orbicule (3), its top links to each other with the top of orbicule;
Bottom fixed mount (9) is used for settling and fixing jacking apparatus (1);
From prestressed cable, be placed in the orbicule (3), be used to keep being in orbicule (3) stable of extended configuration, it is characterized in that the multistage lifting frame is two-stage crane at least, lowering or hoisting gear comprises at least the first lowering or hoisting gear and second lowering or hoisting gear, wherein
First lowering or hoisting gear is placed in the bottom fixed mount (9), comprises the first Circularly liftable chain group (93), drives the drive unit (97) that the first Circularly liftable chain group moves, and is used to drive one-level crane (31) and rises; Drive sprocket (97a) is walked around in first Circularly liftable chain group (93) bottom; Top walk around be placed in bottom fixed mount (9) top turn to sprocket wheel (912), form inboard chain and outside chain, inboard chain fuses through jockey (95) and one-level crane (31) bottom; Make when drive sprocket (97a) is just changeing the driving first Circularly liftable chain group; Outside chain moves down and moves on the inboard chain, drives one-level crane (31) thus and rises, when drive sprocket (97a) reverses; Inboard chain moves down and moves on the chain of the outside, and the one-level crane is descended;
Second lowering or hoisting gear is placed in the one-level crane (31); Comprise the second Circularly liftable chain group (94) that is arranged on the one-level crane (31); Being used to drive two grade of ascend and descend frame (32) rises; One end of the second Circularly liftable chain group (94) is fixed on the holder (99a) on bottom fixed mount (9) base cross members; The other end is walked around the sprocket wheel that turns on the elevating chain group steering base (92) that is fixed on one-level crane (31) top cross beam (31a); Be fixed in the holder (99b) on the crossbeam of two grade of ascend and descend frame (32) bottom, when one-level crane (31) rose under the drive of the first Circularly liftable chain group (93), holder (99a) on bottom fixed mount (9) base cross members and the second elevating chain group between the elevating chain steering base (92) were partly extended gradually; And the part of the second elevating chain group between holder (99b) and the elevating chain steering base (92) shortens gradually, rises through the second elevating chain group (94) pulling two grade of ascend and descend frame (32) thus;
Position at the inboard corresponding one-level crane vertical beams in two ends (31b) of four crossbeams (9a) at the rectangular frame top of bottom fixed mount (9); Directive wheel (96) is set; Directive wheel (96) leans in the side of four vertical beams (31b) in the rectangular frame bight of one-level crane (31), on the four piece crossbeams of bottom fixed mount (9) middle part by last position, four pairs of directive wheels is set also.
2. collapsible spheroid prop structure as claimed in claim 1; It is characterized in that: said orbicule (3) comprises stackable a plurality of ring body (11-19); Its top also is provided with the lifting platform (10) that links to each other with said jacking apparatus top; Lifting platform (10) links to each other through several reinforcing pull rods of evenly arranging with orbicule (3), and the diameter of said a plurality of ring bodies (11-19) is reduced to two ends by the orbicule middle part according to the spheroid profile gradually, links to each other through the lifting rope (8) that is arranged alternately between its adjacent ring body.
3. collapsible spheroid prop structure as claimed in claim 2; It is characterized in that: be evenly equipped with intersection floor (20a) on each ring body of said orbicule (3) and be used to support L shaped platform (20); Can supply the performing artist to stand on the L shaped platform and perform; And each ring body is provided with the steel wire rope (27) of hanging the performing artist, and the two ends of said lifting rope (8) are separately fixed on the intersection floor (20a) on adjacent two ring bodies.
4. like the arbitrary described collapsible spheroid prop structure of claim 1 to 3; It is characterized in that: said each ring body is spliced by a plurality of rings section (15 ", 15 '); the connecting portion between the adjacent two ring sections (15 ", 15 ') establish can be mutually nested parts (151,152), the nested position of said mutually nested parts is fixing through latch (153).
5. like the arbitrary described spheroid prop structure of claim 1 to 3; It is characterized in that: said jacking apparatus (1) is made up of the multistage lifting frame (31,32,33) of estable; Said many are arranged symmetrically in the orbicule from prestressed cable (2), and wherein an every end from prestressed cable links to each other with the middle part of orbicule (3), and the other end links to each other with bottom fixed mount (9); When said a plurality of cranes extend out to the position of rising fully, said from prestressed cable (2) tensioning fully.
6. spheroid prop structure as claimed in claim 5 is characterized in that:
On jacking apparatus (1), be fixed with every said from prestressed cable (2) fixed pulley (23) one to one, said every from prestressed cable through walking around corresponding fixed pulley (23) by its guiding;
Establish connecting plate (21) at the middle part of said orbicule (3), a said said end from prestressed cable (2) is connected through shackle on the connecting plate (21); Establish connection otic placode (26) on the said bottom fixed mount (9), the said said other end from prestressed cable (2) is connected through shackle on the said connection otic placode (26).
7. like the arbitrary described spheroid prop structure of claim 1 to 3, it is characterized in that:
Also comprise three grades of cranes that are nested in the two grade of ascend and descend frame, three grades of cranes are through being placed in hoist cylinder (34) jacking in the two grade of ascend and descend frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100894910A CN101612482B (en) | 2009-07-20 | 2009-07-20 | Foldable spheroid prop structure for large-scale performances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100894910A CN101612482B (en) | 2009-07-20 | 2009-07-20 | Foldable spheroid prop structure for large-scale performances |
Publications (2)
| Publication Number | Publication Date |
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| CN101612482A CN101612482A (en) | 2009-12-30 |
| CN101612482B true CN101612482B (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100894910A Expired - Fee Related CN101612482B (en) | 2009-07-20 | 2009-07-20 | Foldable spheroid prop structure for large-scale performances |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600085A (en) * | 1984-11-19 | 1986-07-15 | Pierre Gagnon | Platform lift |
| US5106057A (en) * | 1990-05-23 | 1992-04-21 | Feller Precision, Inc. | Stage set lift apparatus |
| EP0611587A2 (en) * | 1993-02-17 | 1994-08-24 | Waagner-Biro Aktiengesellschaft | Movable trap door |
| CN2531849Y (en) * | 2002-02-06 | 2003-01-22 | 中国杂技团 | Automatic inflated and quick disassembling person-carrying lifting/lowering ball used in stage |
| CN201105165Y (en) * | 2007-10-29 | 2008-08-27 | 姚力生 | Hydraulic separate type netted globe body for motorcycle show |
| CN201211441Y (en) * | 2007-12-13 | 2009-03-25 | 李泉洞 | Stage performance equipment with hanging air balloon |
-
2009
- 2009-07-20 CN CN2009100894910A patent/CN101612482B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600085A (en) * | 1984-11-19 | 1986-07-15 | Pierre Gagnon | Platform lift |
| US5106057A (en) * | 1990-05-23 | 1992-04-21 | Feller Precision, Inc. | Stage set lift apparatus |
| EP0611587A2 (en) * | 1993-02-17 | 1994-08-24 | Waagner-Biro Aktiengesellschaft | Movable trap door |
| CN2531849Y (en) * | 2002-02-06 | 2003-01-22 | 中国杂技团 | Automatic inflated and quick disassembling person-carrying lifting/lowering ball used in stage |
| CN201105165Y (en) * | 2007-10-29 | 2008-08-27 | 姚力生 | Hydraulic separate type netted globe body for motorcycle show |
| CN201211441Y (en) * | 2007-12-13 | 2009-03-25 | 李泉洞 | Stage performance equipment with hanging air balloon |
Non-Patent Citations (2)
| Title |
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| 刘晓华等.北京奥运会开幕式‘梦幻地球’结构设计研究.《演艺设备与科技》.2008,(第S2期),第56页第2栏首行到第63页末行,附图1-15. * |
| 刘晓华等.北京奥运会开幕式多环折叠球体结构设计.《建筑结构》.2009,第39卷51页～56页. * |
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|---|---|
| CN101612482A (en) | 2009-12-30 |
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