JP2008161531A - Construction method and construction apparatus for ferris wheel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the manufacturing cost, and at the same time, to increase safety in a construction method and a construction apparatus for a ferris wheel. <P>SOLUTION: A second carrying truck 16, two pieces of columns 21, a lower scaffold 21, and three hydraulic jacks 29, 30 and 31 are installed. In this case, the second carrying truck 16 can carry a rim 42 in the installation place of the ferris wheel. The two pieces of columns 21 are stood on both sides of the carrying-in path of the second carrying truck 16. The lower scaffold 26 is installed in the columns 21. The three hydraulic jacks 29, 30 and 31 are installed in parallel in the carrying direction of the rim 42 on the lower scaffold 26, and are freely detachable from the rim 42. Then, the rim 42 is made movable by the hydraulic jacks 29, 30 and 31. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a ferris wheel erection method and a erection device for erection of a ferris wheel at a predetermined installation location in a ferris wheel that is an amusement observation facility in which a manned gondola is suspended or installed.

  In general, a ferris wheel is positioned at the center of rotation by a pair of left and right trusses, and a spindle portion is supported. An outer ring structure is supported by a large number of shafts and wires on the spindle portion. A plurality of gondola are connected to each other.

  When constructing such a ferris wheel, arc-shaped blocks constituting the outer ring structure are assembled on the ground, and these are connected by heavy machinery. As such a conventional method of installing a ferris wheel, there is one described in Patent Document 1 below.

  The Ferris wheel erection method described in Patent Document 1 is assembling an arc-shaped block constituting an outer ring structure on the ground, connecting this block to a rotating shaft by a heavy machine, and rotating it clockwise by a left winch. While the next block is connected to the rotating shaft by a heavy machine, it is rotated counterclockwise by a right winch and pulled up, and the next block is connected to the rotating shaft by a heavy machine, and the left and right blocks are lifted A ferris wheel is constructed by connecting the two.

JP 11-285585 A

  However, in the conventional ferris wheel erection method described above, since the blocks need to be assembled on the ground, an assembly factory and an assembly workshop of a predetermined size are required, and the work becomes large and the work cost increases. Resulting in. In addition, this block is connected to the rotating shaft by a heavy machine, and is rotated and sent by a winch, so that a large heavy machine and a high-power winch are required, which also increases the work cost and is heavy. Since the block is pulled up and held by the winch, there is a problem that safety equipment for preventing the block from falling is necessary, and the equipment cost also increases.

  SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems, and to provide a ferris wheel erection method and erection device that reduce the manufacturing cost and improve safety.

  According to a first aspect of the present invention, there is provided a ferris wheel erection method including an outer ring structure in which a plurality of arc-shaped rims are connected in a circular shape along a circumferential direction at an outer edge of a rotating wheel. In a car, a rim connecting step of connecting a plurality of rims along an outer edge of the rotating wheel, and driving the at least two of the plurality of driving jacks connected to the rim to rotate the rim. By repeatedly performing a rim moving step of moving along the outer edge of the wheel and a jack returning step of moving a drive jack not connected to the rim among the plurality of drive jacks in the direction opposite to the moving direction of the rim. The outer ring structure is formed.

  The ferris wheel erection method according to the invention of claim 2 is characterized in that, in the rim connecting step, a spindle portion provided at the center of the rotating wheel and the rim are connected by a temporary support member.

  In the construction method of the ferris wheel of the invention of claim 3, the outer ring structure is formed by connecting the spindle portion provided at the center of the rotating wheel and the rim with a spoke wire in the rim connecting step. The temporary support material is disassembled later.

  According to a fourth aspect of the present invention, there is provided a method for installing a ferris wheel, wherein the movement of the rim is prevented by a brake mechanism in the jack return step.

  According to a fifth aspect of the present invention, there is provided a ferris wheel erection device having an outer ring structure in which a plurality of arc-shaped rims are connected in a circular shape along a circumferential direction at an outer edge of a rotating wheel. A work carriage capable of carrying the rim into the installation location, two columns erected on both sides of the delivery path of the work carriage, a gantry constructed on the column, and the rim being carried on the gantry It comprises at least three drive jacks that are juxtaposed along the direction and that are detachable from the rim constituting the outer ring structure.

  In the construction device for a ferris wheel according to a sixth aspect of the invention, the work carriage has a plurality of lifting jacks capable of adjusting a support angle of the rim.

  According to the construction method of the ferris wheel of the invention of claim 1, a rim connecting step of connecting a plurality of rims along the outer edge of the rotating wheel, and at least two of the plurality of driving jacks are connected to the rim. A rim moving step of driving in a state and moving the rim along the outer edge of the rotating wheel, and a jack returning step of moving a drive jack not connected to the rim of the plurality of drive jacks in a direction opposite to the moving direction of the rim. Since the outer ring structure is formed by repeating the steps, there is no need to assemble the block in advance, and an assembly factory and assembly workshop of a predetermined area are not required, and large heavy machinery and high-power winches are also unnecessary. Costs and equipment costs can be reduced, and safety can be improved.

  According to the construction method of the ferris wheel of the invention of claim 2, since the spindle portion and the rim provided at the center portion of the rotating wheel are connected by the temporary support member in the rim connection step, the temporary support member Thus, by connecting the spindle part and the rim, it is possible to temporarily support the connected body of the rim and improve workability.

  According to the construction method of the ferris wheel of the invention of claim 3, in the rim connecting step, the spindle portion and the rim provided at the center portion of the rotating wheel are connected by the spoke wire to form the outer ring structure and then temporarily Since the support material is disassembled, the rim connection body can be temporarily supported by the temporary support material during assembly of the outer ring structure by connecting the spindle portion and the rim with the temporary support material and the spoke wire. After the outer ring structure is assembled, the temporary support member can be disassembled and the outer ring structure can be supported by the spoke wires, so that workability can be improved.

  According to the construction method of the ferris wheel of the invention of claim 4, since the movement of the rim is prevented by the brake mechanism in the jack returning process, the movement of the rim during the assembly of the outer ring structure is prevented by the brake mechanism. And safety can be improved.

  Further, according to the ferris wheel erection device of the invention of claim 5, a work carriage capable of carrying a rim to the place where the ferris wheel is installed, two columns standing on both sides of the carry-in route of the work carriage, Since the platform installed on the column and at least three drive jacks that are arranged side by side along the rim loading direction and are detachable from the rim constituting the outer ring structure are provided on the platform, the work cart can be used for viewing. An outer ring structure can be formed by attaching / detaching at least three drive jacks to / from the rim to the rim carried into the installation location of the car and driving it, and there is no need to assemble a block in advance. An assembly factory or assembly workshop with a large area is no longer required, and large heavy machinery and high-power winches are also unnecessary, reducing work costs and equipment costs, and improving safety. .

  According to the ferris wheel erection device of the invention of claim 6, the work carriage is provided with a plurality of elevating jacks that can change the support adjustment of the rim. Therefore, by adjusting the support angle of the rim with the elevating jack, The connection can be easily performed, and the rim can be properly aligned with the outer edge of the rotating wheel, so that the workability can be improved.

  Exemplary embodiments of a ferris wheel erection method and erection device according to the present invention will be described below in detail with reference to the accompanying drawings. In addition, this invention is not limited by this Example.

  1 is a front view showing a ferris wheel erection device according to a first embodiment of the present invention, FIG. 2 is a plan view showing the ferris wheel erection device according to the first embodiment, and FIG. 3 is a ferris wheel according to the first embodiment. FIG. 4 is a front view showing a rim rotation mechanism in the ferris wheel erection device of the first embodiment, and FIGS. 5 to 8 are rim rotation mechanisms of the ferris wheel erection device of the first embodiment. FIG. 9 to FIG. 20 are schematic diagrams illustrating a method for installing a ferris wheel according to the first embodiment.

  In the first embodiment, in a ferris wheel having an outer ring structure in which a plurality of arc-shaped rims are connected in a circular shape along the circumferential direction at the outer edge of a rotating wheel, a method for installing the ferris wheel and the installation thereof The apparatus will be described.

  In the Ferris wheel erection device of Example 1, as shown in FIGS. 1 to 4, column foundations 12 are embedded in one place on each of the left and right on the ground 11 for installing the Ferris wheel. In addition, stay wire fixing bases 13 are embedded in two places on the left and right. A rail 14 is laid on the ground 11 between the two column foundations 12, and one end (not shown) extends to the material storage. And on this rail 14, the 1st conveyance stand person 15 which can convey the temporary support material 41 mentioned later, and the 2nd conveyance trolley 16 which can convey rim 42 are supported so that self-running is possible.

  The pair of left and right columns 21 are erected on the column base 12 along the vertical direction, and each column 21 is connected by a spindle portion 23 having a shaft portion 22 at the top thereof. A rotating scaffold 24 is supported on the base. In addition, each column 21 is positioned above the intermediate height, and an intermediate scaffold 25 is assembled thereto, and a lower scaffold 26 is assembled below the intermediate scaffold 25. The height positions of the intermediate scaffold 25 and the lower scaffold 26 are positions suitable for assembling or disassembling a plurality of (three in this embodiment) temporary support members 41, that is, height positions of joints. Is provided.

  Further, the lower scaffold 26 is provided with a predetermined length along the rail 14, the outer side portion is fixed to the column 21, and each end portion in the longitudinal direction of the inner side portion is formed by a reaction force supporting oblique column 27. Each of the reaction force support oblique columns 27 is supported by an oblique column foundation 28 having a lower end portion embedded in the installation ground 11. Then, on the left and right lower scaffolds 26 as the gantry of the present invention, three hydraulic jacks (detachable with respect to the rim 42 constituting the outer ring structure 43) along the rail 14 (in the direction in which the rim 42 is carried) ( Drive jacks) 29, 30, 31 are arranged side by side.

  The first hydraulic jack 29 is located on the front side in the assembly rotation direction of the outer ring structure 43 (rim 42) (the arrow direction in FIG. 4), and the base end portion is supported by the mounting portion 32 of the lower stage scaffold 26, and the distal end portion Has a gripping portion 29a. The second hydraulic jack 30 is located behind the first hydraulic jack 29 in the assembly rotation direction of the outer ring structure 43 (rim 42) (in the direction of the arrow in FIG. 4), and the base end is an attachment portion for the lower stage scaffold 26. 33, and has a gripping portion 30a at the tip. The third hydraulic jack 31 is located behind the second hydraulic jack 30 in the assembly rotation direction of the outer ring structure 43 (rim 42) (in the direction of the arrow in FIG. 4), and the base end is a mounting portion for the lower scaffold 26. 34 and has a gripping portion 31a at the tip. The first and third hydraulic jacks 29 and 31 are configured such that the gripping portions 29a and 31a face the rear side in the assembly rotation direction (the arrow direction in FIG. 4) of the outer ring structure 43 (rim 42). 30, the grip portion 30 a faces the front side in the assembly rotation direction of the outer ring structure 43 (rim 42) (the arrow direction in FIG. 4).

  The rim 42 is configured such that a pair of left and right main bodies 42a are connected by a plurality of connecting members 42b in a parallel state, and a rail portion 42c is fixed to the outside of the main body 42a. In the hydraulic jacks 29, 30, and 31 described above, the gripping portions 29a, 30a, and 31a can grip the rail portion 42c of the rim 42 from above and below.

  Further, as shown in FIG. 9, the first transport carriage 15 is configured by mounting a plurality of wheels 15b on the lower portion of the carriage main body 15a, and the temporary support member 41 can be mounted thereon. On the other hand, as shown in FIGS. 3 and 4, the second transport carriage 16 has a plurality of wheels 16b attached to the lower portion of the carriage body 16a, and a spoke wire drum 16c attached to the carriage body 16a. A support base 16e is horizontally provided on the carriage main body 16a by a plurality of support pillars 16d, and a plurality of (six in this embodiment) lifting jacks 16f on the support base 16e are provided along the vertical direction. It is arranged to be stretchable. Accordingly, the second transport carriage 16 can mount the rim 42 on the plurality of lifting jacks 16f, and can adjust the support angle of the rim 42 by lifting and lowering the plurality of lifting jacks 16f.

  Here, a construction method using the ferris wheel construction device of the first embodiment configured as described above will be described in detail with reference to FIGS. 5 to 8 and FIGS. 9 to 20.

  As for the erection method using the ferris wheel erection device of the first embodiment, as shown in FIG. 9, columns 21 are erected on a pair of left and right column bases 12 and connected by a spindle portion 23, and then the spindle The stay wire 44 is extended from the portion 23 toward the four stay wire fixing bases 13. The temporary support member 41 is divided into three parts and is lifted in order and connected to the spindle part 23. That is, the temporary support member 41 attached to the upper part is carried in by the first carrier 15, the winch wire 46 pulled out from the winch 45 installed on the ground 11 is pulled upward through the pulley 47, and the pulley of the rotary scaffold 24 is After turning back (not shown), the end portion is connected to the upper end portion of the temporary support member 41. Then, the winch wire 46 is wound up by the winch 45, whereby the temporary support member 41 is pulled upward, and an operator in the rotary scaffold 24 bolts the upper end portion of the temporary support member 41 to the spindle portion 23.

  Similarly, the temporary support member 41 attached to the intermediate portion is carried in by the first carrier 15, the end portion of the winch wire 46 pulled out from the winch 45 is connected to the upper end portion of the temporary support member 41, and the winch 45 By winding the winch wire 46, the temporary support member 41 is pulled upward, and an operator in the intermediate scaffold 25 bolts the upper end portion of the temporary support member 41 to the lower end portion of the existing temporary support member. Further, the temporary support member 41 attached to the lower portion is carried in by the first carrier 15, the end portion of the winch wire 46 pulled out from the winch 45 is connected to the upper end portion of the temporary support member 41, and the winch wire is connected by the winch 45. By winding 46, the temporary support member 41 is pulled upward, and an operator in the lower scaffold 26 bolts the upper end portion of the temporary support member 41 to the lower end portion of the existing temporary support member.

  When the assembly of the first temporary support member 41 is completed, the first rim 42 is carried in by the second carrier 16 as shown in FIG. 10, and the second carrier is shown in FIG. The rim 42 is moved up and down by adjusting the height of each of the 16 lifting jacks 16 f to adjust the height position, and the end is bolted to the lower end of the temporary support member 41. In this case, it is desirable to temporarily support the temporary support member 41 with, for example, a brake truss (not shown) until the rim 42 is connected to the temporary support member 41.

  When the temporary support member 41 and the rim 42 are connected, as shown in FIG. 12, the temporary support member 41 is rotated about the rotation center of the spindle portion 23 by moving the second carrier 16 forward by a predetermined distance. . At this time, the connecting portion of the rim 42 to the temporary support member 41 slightly rises, but by appropriately driving the lifting jacks 16f of the second transporter 16 to change the support angle of the rim 42, it is supported appropriately. To do. At this position, the spoke wire 48 is extended between the spindle portion 23 and the rim 42.

  When the spoke wire 48 is extended, as shown in FIG. 13, the second carrier 16 is further advanced by a predetermined distance to rotate the temporary support member 41 with the rotation center of the spindle portion 23 as a fulcrum. By extending and driving 16f, the support angle of the rim 42 is changed and supported appropriately. Here, for example, the rim 42 and the temporary support member 41 are temporarily supported by a brake truss or the like, and as shown in FIG. 14, the second transport carriage 16 moves backward and retracts from below the rim 42.

  When the assembly of the first rim 42 is completed, as shown in FIG. 15, the second rim 42 is carried in by the second carrier 16, and as shown in FIG. 16, the second carrier 16 By moving the lifting jacks 16f to extend and contract, the rim 42 is moved up and down to adjust the height position, and the end is bolted to the end of the existing rim 42. When the temporary support member 41 and the rim 42 are connected, as shown in FIG. 17, the second carrier 16 is moved forward by a predetermined distance so that the temporary support member 41 is set at the rotation center of the spindle portion 23 as a fulcrum. By rotating, the lifting jacks 16f of the second carrier 16 are extended and driven, and the support angle of the rim 42 is changed and supported appropriately. At this position, the spoke wire 48 is extended between the spindle portion 23 and the rim 42.

  When at least three rims 42 are connected in this way, in this embodiment, the rim 42 is moved along the circumferential direction of the outer ring structure 43 using the three hydraulic jacks 29, 30, and 31. That is, a rim connecting step of connecting a plurality of rims 42 along the outer edge of the outer ring structure (rotating wheel) 43 and at least two of the three hydraulic jacks 29, 30, 31 are connected to the rim 42. A rim moving step of driving the rim 42 along the outer edge of the outer ring structure (rotating wheel) 43 and a hydraulic jack not connected to the rim 42 of the three drive jacks 29, 30, 31. The outer ring structure 43 is formed by repeatedly performing a jack returning process that moves in the direction opposite to the moving direction of the rim 42.

  Here, the rim moving process and the jack returning process by the three hydraulic jacks 29, 30, and 31 will be described. Here, the rim 42 will be described for a case where long rims 42A, 42C, 42E,... And short rims 42B, 42D,. 5 to 8, the gripping portions 29a, 30a, and 31a of the hydraulic jacks 29, 30, and 31, the hatched display indicates the gripping state, and the white display indicates the release state.

  As shown in FIG. 5, in the state where the rims 42A, 42B, 42C, and 42D are connected to the temporary support member 41, the first hydraulic jack 29 holds the rim A, and the second hydraulic jack 30 holds the second hydraulic jack 30. The portion 30a grips the rim 42C, and the grip portion 31a of the third hydraulic jack 31 is in the released state. From this state, first, as shown in FIG. 6, when the first hydraulic jack 29 is contracted and the second hydraulic jack 30 is extended, the temporary support member 41 and the rims 42A, 42B, 42C, 42D in the connected state are watched. It can move in the direction of rotation. At the same time, by extending the third hydraulic jack 31, the grip portion 31a can be returned to the initial position.

  Next, from this state, as shown in FIG. 7, the grip portion 30 a of the second hydraulic jack 30 is released, while the rim 42 </ b> D is gripped by the grip portion 31 a of the third hydraulic jack 31. When 29 is further shrunk and the third hydraulic jack 31 is shrunk, the temporary support member 41 and the rims 42A, 42B, 42C, 42D in the connected state can be moved in the clockwise direction. At the same time, the gripping portion 30a can be returned to the initial position by contracting the second hydraulic jack 30.

  Subsequently, from this state, as shown in FIG. 8, the grip portion 29a of the first hydraulic jack 29 is released, while the rim 42C is gripped by the grip portion 30a of the second hydraulic jack 30, and the second hydraulic jack. When 30 is extended and the third hydraulic jack 31 is contracted, the temporary support member 41 and the rims 42A, 42B, 42C, 42D in the connected state can be moved in the clockwise direction. At the same time, by extending the first hydraulic jack 29, the grip portion 29a can be returned to the initial position.

  As described above, the rim 42 is driven by two of the three hydraulic jacks 29, 30, 31 of the three hydraulic jacks 29, 30, 31, and the rim 42 is driven, thereby connecting the temporary support member 41 in a connected state. And the rims 42A, 42B, 42C, 42D can be moved in the clockwise direction, and one hydraulic jack of the three drive jacks 29, 30, 31 can be driven in a released state, thereby The initial state can be restored, and the outer ring structure 43 can be continuously formed by repeatedly performing the rim connecting step in addition to the rim moving step and the jack returning step.

  On the other hand, when the rim 42 is connected and moved by the hydraulic jacks 29, 30, and 31, as shown in FIG. 18, when the four rims 42 are connected, the temporary carrier 41 is carried in by the first carrier 15. The end portion of the winch wire 46 drawn out from the winch 45 is connected to the upper end portion of the temporary support member 41, and the winch wire 46 is wound up by the winch 45, whereby the temporary support member 41 is lifted upward to the intermediate scaffold 25. The worker who is working joins the upper end portion of the temporary support member 41 to the spindle portion 23 by bolts. Similarly, all the remaining temporary support members 41 are connected linearly. Then, the two temporary support members 41 are connected by a tie wire 49. After that, when the assembly of the second temporary support member 41 is completed, the rim 42 is carried in by the second carrier 16 as shown in FIG. 19, and the rim 42 is connected by the same operation as described above.

  Then, after all the rims 42 are connected in a rotating ring shape, all the temporary support members 42 and the tie wires 49 are disassembled, so that a ferris wheel having an outer ring structure 43 can be installed as shown in FIG. .

  Thus, in the ferris wheel erection method and erection device of the present embodiment, the second transport carriage 16 capable of carrying the rim 42 to the place where the ferris wheel is installed, and both sides of the transport path of the second transport pedestrian 16 Two columns 21 erected on the column 21, a lower scaffold 26 erected on the column 21, and a column 3, which is juxtaposed along the loading direction of the rim 42 on the lower scaffold 26 and is detachable from the rim 42. Two hydraulic jacks 29, 30, and 31 are provided.

  Accordingly, the three hydraulic jacks 29, 30, and 31 are attached to and detached from the rim 42 with respect to the rim 42 carried into the installation place of the ferris wheel by the first transport carriage 16, and the outer ring structure is driven by sequentially driving. 43 can be formed, there is no need to assemble the block in advance, an assembly factory or assembly workshop of a predetermined area is not required, and a large heavy machine and a high output winch are also not required. It can be reduced, and safety can be improved.

  In this case, a rim connecting step of connecting a plurality of rims 42 along the outer ring structure 43 and two jacks out of the hydraulic jacks 29, 30, 31 are driven and connected to the rim 42 to drive the rim 42. Are connected by repeatedly performing a rim moving step of moving the rim 42 and a jack returning step of moving the hydraulic jacks not connected to the rim 42 of the drive jacks 29, 30, 31 in the direction opposite to the moving direction of the rim 42. The plurality of rims 42 can be easily and continuously moved, and workability can be improved.

  In the present embodiment, the spindle portion 23 and the rim 42 are connected by the temporary support member 41 in the rim connection step, and the spindle portion 23 and the rim 42 are connected by the temporary support member 41, so that the rim Thus, the connection body of 42 can be temporarily supported, and workability can be improved.

  Further, in this embodiment, in the rim connecting step, the spindle portion 23 and the rim 42 are connected by the spoke wire 48 to form the outer ring structure 43 and then the temporary support member 41 is disassembled. By connecting the spindle part 23 and the rim 42 by the material 41 and the spoke wire 48, the assembly of the outer ring structure 43 can be temporarily supported by the temporary support member 41 during assembly of the outer ring structure 43. After the assembly, the temporary support member 41 can be disassembled and the outer ring structure 43 can be supported by the spoke wires 48, so that workability can be improved.

  Further, in this embodiment, the first transport carriage 16 is provided with a plurality of lifting jacks 16f that can change the support adjustment of the rim 42, and the rims 42 are adjusted by adjusting the supporting angle of the rim 42 by the lifting jacks 16f. Can be easily connected, and the rim 42 can be connected to an appropriate shape, thereby improving workability.

  FIG. 21 is a schematic diagram illustrating a construction device for a ferris wheel according to a second embodiment of the present invention. In addition, the same code | symbol is attached | subjected to the member which has the same function as what was demonstrated in the Example mentioned above, and the overlapping description is abbreviate | omitted.

  In the ferris wheel erection device of the second embodiment, as shown in FIG. 21, three hydraulic jacks 29, 30, 31 that are detachable from the rim 42 constituting the outer ring structure 43 are provided on the lower scaffold 26. Are arranged in parallel, and a brake hydraulic jack (brake mechanism) 51 is provided adjacent to the third hydraulic jack 31. The brake hydraulic jack 51 prevents the movement of the rim 42 when the gripping of the rim 42 by the hydraulic jacks 29, 30, 31 is switched in the jack returning process.

  Therefore, in the second embodiment, the hydraulic jacks 29, 30, and 31 are provided side by side on the lower scaffold 26, and the brake hydraulic jack 51 is provided adjacent to the third hydraulic jack 31. The movement of the rim 42 is prevented by the jack 51, and the movement of the rim 42 during the assembly of the outer ring structure 43 is prevented by the brake hydraulic jack 51, so that safety can be improved.

  In each of the above-described embodiments, three sets of hydraulic jacks 29, 30, and 31 are provided on the lower scaffold 26. However, the number is not limited to this number, and four or more hydraulic jacks are provided unless the installation location is restricted. May be.

  The method and apparatus for installing a ferris wheel according to the present invention are intended to reduce manufacturing costs and improve safety, and can be applied to any ferris wheel.

It is a front view showing the construction apparatus of the ferris wheel which concerns on Example 1 of this invention. It is a top view showing the construction apparatus of the ferris wheel of Example 1. It is a side view showing the construction apparatus of the ferris wheel of Example 1. It is a front view showing the rim rotation mechanism in the construction device of the ferris wheel of Example 1. It is the schematic showing the rim movement process and jack return process by the rim rotation mechanism of the construction apparatus of the ferris wheel of Example 1. It is the schematic showing the rim movement process and jack return process by the rim rotation mechanism of the construction apparatus of the ferris wheel of Example 1. It is the schematic showing the rim movement process and jack return process by the rim rotation mechanism of the construction apparatus of the ferris wheel of Example 1. It is the schematic showing the rim movement process and jack return process by the rim rotation mechanism of the construction apparatus of the ferris wheel of Example 1. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction method of the ferris wheel of Example 1. FIG. It is the schematic showing the construction apparatus of the ferris wheel which concerns on Example 2 of this invention.

Explanation of symbols

15 1st conveyance trolley 16 2nd conveyance trolley (working trolley)
16f Elevating jack 21 Column 23 Spindle part 26 Lower scaffold (frame)
29, 30, 31 Hydraulic jack (drive jack)
29a, 30a, 31a Grasping part 41 Temporary support members 42, 42A to 42E Rim 43 Outer ring structure 48 Spoke wire 51 Brake hydraulic jack (brake mechanism)

Claims (6)

  In a ferris wheel having an outer ring structure in which a plurality of arc-shaped rims are circularly connected along the circumferential direction at the outer edge of the rotating wheel, a rim connecting step of connecting the plurality of rims along the outer edge of the rotating wheel; A rim moving step of driving the rim along the outer edge of the rotating wheel by driving at least two of the plurality of driving jacks connected to the rim; and A method for constructing a ferris wheel, wherein the outer ring structure is formed by repeatedly performing a jack returning step of moving a drive jack not connected to the rim in a direction opposite to the moving direction of the rim.   2. The ferris wheel according to claim 1, wherein in the rim connecting step, a spindle portion provided at a center portion of the rotating wheel and the rim are connected by a temporary support member. Construction method.   3. The method of installing a ferris wheel according to claim 2, wherein in the rim connection step, a spindle portion provided at a center portion of the rotating wheel and the rim are connected by a spoke wire to form the outer ring structure. A method for constructing a ferris wheel, wherein the temporary support material is disassembled later.   2. The method for erection of a ferris wheel according to claim 1, wherein, in the jack return step, movement of the rim is prevented by a brake mechanism.   In a ferris wheel having an outer ring structure in which a plurality of arc-shaped rims are connected in a circular shape along the circumferential direction at the outer edge of a rotating wheel, a work carriage capable of carrying the rim into the installation location of the ferris wheel, Two columns erected on both sides of the delivery path of the work carriage, a gantry erected on the column, and the outer ring structure are arranged on the gantry along the rim loading direction. A construction apparatus for a ferris wheel comprising at least three drive jacks detachably attached to the rim.   The ferris wheel erection device according to claim 5, wherein the work carriage has a plurality of lifting jacks capable of adjusting a support angle of the rim.

Images