CN214436458U - Roller coaster lifting structure - Google Patents
Roller coaster lifting structure Download PDFInfo
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- CN214436458U CN214436458U CN202023334460.8U CN202023334460U CN214436458U CN 214436458 U CN214436458 U CN 214436458U CN 202023334460 U CN202023334460 U CN 202023334460U CN 214436458 U CN214436458 U CN 214436458U
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Abstract
The utility model provides a roller coaster lifting structure, belonging to the technical field of roller coasters, comprising a frame body component, a traction hook, a rope body, a support frame, a torsional spring and a driving component, wherein the frame body component is used for connecting with the roller coaster body; the traction hook is rotatably arranged on the frame body assembly, one end of the traction hook is provided with a traction groove, and the traction groove is used for being clamped with the chain; one end of the rope body is connected with the traction hook, and the rope body is used for driving the traction hook to rotate so as to be separated from the chain; the support frame is arranged on the frame body assembly, a turntable is rotatably arranged on the support frame and comprises a base and a cylinder which are mutually connected, the rope body bypasses the cylinder and is connected with the base, and the other end of the rope body extends out of the base; one end of the torsional spring is connected with the turntable, the other end of the torsional spring is connected with the support frame, and the torsional spring is used for driving the turntable to rotate and reset; the driving component is connected with the other end of the rope body and used for tightening or releasing the rope body. The utility model provides a roller coaster promotes structure, simple structure, saving electric power cost, and spare part replacement cost is low.
Description
Technical Field
The utility model belongs to the technical field of the roller coaster, more specifically say, relate to a roller coaster promotes structure.
Background
The roller coaster is an essential amusement project of an amusement park, and the roller coaster needs to be lifted to a high point from an upper vehicle through a lifting device and then released. Be equipped with electromagnetic means on the automobile body of current roller coaster, roller coaster's promotion track corresponds and is equipped with the chain that drives roller coaster and upwards promote, corresponds on the chain and is equipped with electromagnetism portion, and electromagnetism portion and electromagnetic means adsorb each other through circuit control when electromagnetic means on the automobile body is relative with electromagnetism portion on the chain, realize being connected of automobile body and chain, because of automobile body gravity is heavier, need great adsorption affinity, it is power consumptive more, and electromagnetism portion and electromagnetic means are in case burnt out, and the replacement cost is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roller coaster promotes structure aims at solving current roller coaster and passes through circuit control and adsorbs electromagnetism portion and electromagnetic means each other, realizes being connected of automobile body and chain, because of automobile body gravity is heavier, needs great adsorption affinity, and power consumptive more, and electromagnetism portion and electromagnetic means in case burn out, change into the higher problem of cost.
In order to achieve the above object, the utility model adopts the following technical scheme: the roller coaster lifting structure comprises a frame body assembly, a traction hook, a rope body, a support frame, a torsion spring and a driving assembly, wherein the frame body assembly is connected with the roller coaster body; the traction hook is rotatably arranged on the frame body assembly, one end of the traction hook is provided with a traction groove, and the traction groove is used for being clamped with the chain; one end of the rope body is connected with the traction hook, and the rope body is used for driving the traction hook to rotate so as to be separated from the chain; the support frame is arranged on the frame body assembly, a turntable is rotatably arranged on the support frame and comprises a base and a cylinder which are mutually connected, the rope body bypasses the cylinder and is connected with the base, and the other end of the rope body extends out of the base; one end of the torsional spring is connected with the turntable, the other end of the torsional spring is connected with the support frame, and the torsional spring is used for driving the turntable to rotate and reset; the driving component is connected with the other end of the rope body and used for tightening or releasing the rope body.
As another embodiment of the application, the rotating disc is provided with a through hole, the support frame is provided with a connecting shaft, one end of the connecting shaft penetrates out of the rotating disc through the through hole, a connecting plate is arranged at the penetrating end of the connecting shaft, the torsion spring is sleeved on the connecting shaft, and the torsion spring is connected with the support frame through the connecting plate.
As another embodiment of this application, the support body subassembly is equipped with the holding tank, draws the hook to locate in the holding tank, and the other end of drawing the hook is equipped with the spacing groove, is equipped with the gag lever post in the holding tank, and the gag lever post passes the spacing groove, and the gag lever post is used for contacting with the lateral wall of spacing groove, with the rotation extreme position of restriction draw the hook.
As another embodiment of this application, the rotation center of towing hook is equipped with the pivot, and towing hook rotates through pivot and support body subassembly to be connected, and the support body subassembly is stretched out to the one end of pivot, is equipped with first through-hole in the pivot, and first through-hole is used for wearing to establish the rope body, and the first through-hole break-out end of the rope body is equipped with spacing knot, and spacing knot is used for spacing the rope body in first through-hole.
As another embodiment of this application, still be equipped with limiting plate and external screw thread in the pivot, the limiting plate sets up with first through-hole is adjacent, is equipped with first piece that compresses tightly in the pivot, and first piece and pivot threaded connection compress tightly the rope body in first through-hole with the limiting plate cooperation of compressing tightly.
As another embodiment of the application, the support body assembly is provided with a guide wheel in a rotating mode, the guide wheel is located between the traction hook and the rotary table, the rope body penetrates through the space between the guide wheel and the support body assembly, and the guide wheel is used for supporting and guiding the rope body.
As another embodiment of this application, be equipped with curved deflector on the carousel, the rope body contacts with the deflector, and the rope body passes through the carousel and bypasses the cylinder.
As another embodiment of this application, be equipped with the threaded rod on the base, be equipped with the second through-hole on the threaded rod, the second through-hole is used for passing the rope body, and threaded rod threaded connection has the second to compress tightly the piece, and the second compresses tightly the piece and is used for pressing the rope body admittedly in the second through-hole with the carousel cooperation.
As another embodiment of the application, the driving assembly comprises a driving motor and a winding wheel, and the driving motor is arranged on the frame body assembly; the winding wheel is coaxially connected with the driving motor and is used for winding the rope body.
As another embodiment of this application, threaded connection has the anti-loosening member on the threaded rod, and the screw thread of threaded rod is two-way screw thread, is equipped with on the anti-loosening member to compress tightly the screw thread that the piece revolves to the opposite direction with the second, is equipped with the joint pole on the anti-loosening member, and the second is compressed tightly and is equipped with annular draw-in groove, and the joint pole is used for buckling the card and goes into the draw-in groove.
The utility model provides a roller coaster promotes structure's beneficial effect lies in: compared with the prior art, the roller coaster lifting structure has the advantages that the frame body assembly is connected with the roller coaster body; rotate on the support body subassembly and be equipped with the hook that pulls, the one end of hook that pulls is equipped with the traction groove, the traction groove can with the chain link joint of chain, the support body subassembly passes through the support frame and is connected with the carousel rotation, be connected with the torsional spring on the carousel, torsional spring one end links to each other with the carousel, the other end links to each other with the support frame, rope body one end links to each other with drive assembly, then the other end of the rope body is walked around the carousel cylinder and is linked to each other with the hook that pulls, and the rope body links to each other with the carousel when walking around the cylinder. When the driving assembly tensions the rope body, the rope body is connected with the rotary table while bypassing the cylinder of the rotary table, the rotary table rotates, the torsion spring generates torsional force at the moment, the rotary table pulls the traction hook to rotate and lift through the rope body during rotation, the traction hook is separated from the chain, and the roller coaster can slide downwards along the track from a high point without influencing the movement of the roller coaster; when the drive assembly releases the traction hook, the turntable rapidly resets under the action of torsional force of the torsional spring, and simultaneously, the traction hook rotates downwards under the action of gravity, so that the traction hook is connected with the chain in a clamped mode, the structure is simple, the electric power cost is saved, and the replacement cost of parts is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a roller coaster lifting structure provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a roller coaster lifting structure provided in an embodiment of the present invention;
fig. 3 is a schematic view of a connection structure of a towing hook and a frame body according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic view of a usage structure of the anti-loose member according to an embodiment of the present invention.
In the figure: 1. a frame assembly; 2. a rope body; 3. a first pressing member; 4. a rotating shaft; 5. a towing hook; 6. a turntable; 7. a guide plate; 8. a threaded rod; 9. an anti-loosening element; 10. a support frame; 11. a guide wheel; 12. a connecting shaft; 13. a connecting plate; 14. a torsion spring; 15. a second pressing member; 16. a limiting rod; 101. accommodating grooves; 401. a limiting plate; 501. a traction groove; 502. a limiting groove; 801. a second through hole; 901. a clamping and connecting rod; 1501. a clamping groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the roller coaster lifting structure provided by the present invention will now be described. The roller coaster lifting structure comprises a frame body assembly 1, a traction hook 5, a rope body 2, a support frame 10, a torsion spring 14 and a driving assembly, wherein the frame body assembly 1 is used for being connected with a roller coaster body; the traction hook 5 is rotatably arranged on the frame body assembly 1, one end of the traction hook 5 is provided with a traction groove 501, and the traction groove 501 is used for being clamped with a chain; one end of the rope body 2 is connected with the traction hook 5, and the rope body 2 is used for driving the traction hook 5 to rotate so as to be separated from the chain; the support frame 10 is arranged on the frame body assembly 1, the turntable 6 is rotatably arranged on the support frame 10, the turntable 6 comprises a base and a cylinder which are mutually connected, the rope body 2 bypasses the cylinder and is connected with the base, and the other end of the rope body 2 extends out of the base; one end of a torsion spring 14 is connected with the turntable 6, the other end of the torsion spring is connected with the support frame 10, and the torsion spring 14 is used for driving the turntable 6 to rotate and reset; the driving assembly is connected with the other end of the rope body 2 and is used for tightening or releasing the rope body 2.
Compared with the prior art, the roller coaster lifting structure provided by the utility model has the advantages that the frame body component 1 is connected with the roller coaster body; rotate on the support body subassembly 1 and be equipped with traction hook 5, traction hook 5's one end is equipped with traction groove 501, traction groove 501 can with the chain link joint of chain, support body subassembly 1 passes through support frame 10 and is connected with 6 rotations of carousel, be connected with torsional spring 14 on the carousel 6, 14 one end of torsional spring links to each other with carousel 6, the other end links to each other with support frame 10, 2 one end of the rope body links to each other with drive assembly, then 6 cylinders of carousel are walked around to the other end of the rope body 2 and traction hook 5 links to each other, and rope body 2 links to each other with carousel 6 when walking around the cylinder. When the driving assembly tensions the rope body 2, the rope body 2 is connected with the rotary table 6 while bypassing the column body of the rotary table 6, the rotary table 6 rotates, the torsion spring 14 generates torsional force at the moment, the rotary table 6 pulls the traction hook 5 to rotate and lift through the rope body 2 during rotation, the traction hook 5 is separated from the chain, and the roller coaster can slide downwards along a track from a high point without influencing the movement of the roller coaster; when the drive assembly releases the traction hook 5, the rotary disc 6 is quickly reset under the action of the torsion force of the torsion spring 14, and simultaneously, the traction hook 5 rotates downwards under the action of gravity, so that the traction hook 5 is clamped with a chain, the structure is simple, the electric power cost is saved, and the replacement cost of parts is low.
In this embodiment, when the roller coaster moves to the suitable position above the chain, the drive assembly releases the rope body 2, the rotary disc 6 resets under the action of the torsion spring 14, and the traction hook 5 rotates downwards under the action of gravity, so as to be clamped with the chain. When the chain moves upwards, the roller coaster is driven to move upwards. When moving to the high point, drive assembly tightens up rope body 2, because rope body 2 walks around the cylinder, and is connected with carousel 6, rope body 2 drives carousel 6 and rotates to pulling towing hook 5 rotates, will tow hook 5 and pack up, tow hook 5 and chain separation.
In this embodiment, the drawing slot 501 is arc-shaped, and the drawing slot 501 is clamped with the sleeve of the chain link.
As a specific embodiment of the roller coaster lifting structure provided by the utility model, please refer to fig. 1 to fig. 2, be equipped with the through hole on the carousel 6, be equipped with the connecting axle 12 on the support frame 10, carousel 6 is worn out by the through hole to the one end of connecting axle 12, and the end of wearing out of connecting axle 12 is equipped with connecting plate 13, and on connecting axle 12 was located to the torsional spring 14 cover, torsional spring 14 passed through connecting plate 13 and links to each other in support frame 10.
In this embodiment, the rotating disc 6 protrudes out of the frame assembly 1 through the supporting frame 10 to be opposite to the towing hook 5, and the structure facilitates the installation of the torsion spring 14. Meanwhile, the rope body 2 bypasses the cylinder of the turntable 6 and is connected with the driving assembly, so that the tension of the rope body 2 is ensured, and the rope body 2 is prevented from suffering sharp corner abrasion in the tensioning or releasing process.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the frame body assembly 1 is equipped with the holding tank 101, the towing hook 5 is located in the holding tank 101, the other end of the towing hook 5 is equipped with the spacing groove 502, the holding tank 101 is equipped with the limiting rod 16, the limiting rod 16 passes through the spacing groove 502, the limiting rod 16 is used for contacting with the side wall of the spacing groove 502, so as to limit the rotation limit position of the towing hook 5.
In this embodiment, when the towing hook 5 is rotated downward under the action of gravity, the position is maintained only by the pulling force of the rope body 2, which is likely to cause instability and may cause a phenomenon of inaccurate engagement with the chain. Set up spacing groove 502, traction groove 501 can restrict the extreme position of towing hook 5, guarantees that towing hook 5 can only rock at certain micro-range for towing hook 5 can accurate joint with the chain.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the rotation center of the towing hook 5 is equipped with the rotating shaft 4, the towing hook 5 is connected with the rotation of the frame body assembly 1 through the rotating shaft 4, the frame body assembly 1 is extended out of one end of the rotating shaft 4, the rotating shaft 4 is equipped with the first through hole, the first through hole is used for wearing the rope body 2, the first through hole penetrating end of the rope body 2 is equipped with the limit buckle, and the limit buckle is used for limiting the rope body 2 in the first through hole.
In this embodiment, the limiting buckle may be a binding buckle of the rope body 2, when the rope body 2 pulls the rotating shaft 4, the binding buckle limits the rope body 2 in the first through hole, when the rope body 2 is not pulled, the traction hook 5 faces downward under the action of gravity, and at this time, the first through hole does not face the extending direction of the rope body 2 to the rotating disc 6; when pulling the rope body 2, drive the towing hook 5 and upwards rotate, at this moment, the first through-hole is towards rope body 2 and wants carousel 6 extending direction.
As a specific implementation manner of the embodiment of the utility model, please refer to fig. 1 to 4, still be equipped with limiting plate 401 and external screw thread in the pivot 4, limiting plate 401 and the adjacent setting of first through-hole are equipped with the first piece 3 that compresses tightly in the pivot 4, and the first piece 3 and the 4 threaded connection of pivot that compress tightly, the first piece 3 that compresses tightly is used for compressing tightly rope body 2 in first through-hole with the cooperation of limiting plate 401.
In this embodiment, the rope body 2 can be the nut that is equipped with the screw hole through first pressing piece 3, and the nut is screwed up towards limiting plate 401, and first through-hole is located limiting plate 401 and first pressing piece 3 within a definite time to first pressing piece 3 compresses tightly rope body 2 in first through-hole with the cooperation of limiting plate 401.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the frame assembly 1 rotates to be equipped with the guide wheel 11, the guide wheel 11 is located between the towing hook 5 and the turntable 6, the rope 2 passes through the space between the guide wheel 11 and the frame assembly 1, and the guide wheel 11 is used for supporting and guiding the rope 2.
In this embodiment, one end of the rope body 2 is connected with the driving assembly, and the rope body 2 starts from the driving assembly, is connected with the turntable 6, passes through the upper part of the guide wheel 11 after passing through the column of the turntable 6, and is connected with the rotating shaft 4 of the towing hook 5. The rope body 2 contacts with the guide wheel 11, and the guide wheel 11 is beneficial to the rope body 2 to slide when being retracted and released, and simultaneously plays a supporting role for the rope body 2.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, an arc-shaped guide plate 7 is disposed on the turntable 6, the rope body 2 contacts with the guide plate 7, and the rope body 2 bypasses the column body through the turntable 6.
In this embodiment, the rope 2 contacts the arc-shaped guide plate 7 and goes around the column along the arc-shaped guide plate 7.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a threaded rod 8 is disposed on the base, a second through hole 801 is disposed on the threaded rod 8, the second through hole 801 is used for passing through the rope body 2, the threaded rod 8 is in threaded connection with a second pressing piece 15, and the second pressing piece 15 is used for pressing the rope body 2 in the second through hole 801 in cooperation with the turntable 6.
In this embodiment, the second pressing member 15 is a cylinder, and an internal thread is provided on the cylinder, the second pressing member 15 is in threaded connection with the threaded rod 8, the second pressing member 15 moves towards the turntable 6, and the second through hole 801 is located between the second pressing member 15 and the turntable 6, so that the second pressing member 15 and the turntable 6 are matched to press the rope body 2 onto the second through hole 801.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the driving assembly includes a driving motor and a winding wheel, the driving motor is disposed on the frame assembly 1; the winding wheel is coaxially connected with the driving motor and is used for winding the rope body 2.
In this embodiment, the driving motor drives the winding wheel to rotate to retract or release the rope body 2.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the driving assembly may be an electric cylinder, the electric cylinder is connected to the rope 2, and the electric cylinder drives the end of the rope 2 to be away from or move toward the turntable 6.
As a specific implementation manner of the embodiment of the utility model, please refer to fig. 5, threaded connection has locking piece 9 on the threaded rod 8, and the screw thread of threaded rod 8 is two-way screw, is equipped with on locking piece 9 to compress tightly 15 with the second and revolves to opposite screw thread, is equipped with joint pole 901 on locking piece 9, and the second is compressed tightly and is equipped with annular draw-in groove 1501 on 15, and joint pole 901 is used for buckling the card and goes into draw-in groove 1501.
In this embodiment, because the thread of the threaded rod 8 is a bidirectional thread, and the locking member 9 is provided with a thread having a direction opposite to that of the second pressing member 15, when the second pressing member 15 rotates counterclockwise to be released, the mode member rotates counterclockwise to be locked. When the check member 9 is not installed, the catch bar 901 diverges outward in the radial direction of the check member 9. When the anti-loosening device is installed, the second pressing piece 15 is locked firstly, so that the rope body 2 is pressed in the second through hole 801, then the anti-loosening piece 9 is connected with the threaded rod 8 in a threaded mode and tightly attached to the second pressing piece 15, and then the clamping rod 901 is bent and inserted into the clamping groove 1501 of the second pressing piece 15, so that the anti-loosening piece 9 of the second pressing piece 15 is connected. In this embodiment, the clamping groove 1501 is in interference fit with the clamping member. If the second compresses tightly 15 and produces not hard up, then the second compresses tightly piece 15 and needs anticlockwise movement, because of the draw-in groove 1501 is gone into to joint pole 901 card, the second compresses tightly 15 and can drive anti-loose piece 9 anticlockwise rotation, but during anti-loose piece 9 anticlockwise rotation, compresses tightly 15 locking towards the second, leads to the second to compress tightly 15 unable removal to it is not hard up to compress tightly 15 through anti-loose piece 9 house second.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Roller coaster promotes structure, its characterized in that includes:
the frame body assembly is used for being connected with the roller coaster body;
the traction hook is rotatably arranged on the frame body assembly, one end of the traction hook is provided with a traction groove, and the traction groove is used for being clamped with the chain;
one end of the rope body is connected with the traction hook, and the rope body is used for driving the traction hook to rotate so as to be separated from the chain;
the support frame is arranged on the frame body assembly, a turntable is rotatably arranged on the support frame and comprises a base and a cylinder which are mutually connected, the rope body bypasses the cylinder and is connected with the base, and the other end of the rope body extends out of the base;
one end of the torsion spring is connected with the turntable, the other end of the torsion spring is connected with the support frame, and the torsion spring is used for driving the turntable to rotate and reset; and
and the driving assembly is connected with the other end of the rope body and is used for tightening or releasing the rope body.
2. The roller coaster lifting structure of claim 1, wherein a through hole is provided on the turntable, a connecting shaft is provided on the support frame, one end of the connecting shaft passes through the turntable through the through hole, a connecting plate is provided at the passing end of the connecting shaft, the connecting shaft is sleeved with the torsion spring, and the torsion spring is connected to the support frame through the connecting plate.
3. The roller coaster lifting structure of claim 1, wherein the frame body assembly is provided with a receiving groove, the towing hook is arranged in the receiving groove, the other end of the towing hook is provided with a limiting groove, a limiting rod is arranged in the receiving groove, the limiting rod passes through the limiting groove, and the limiting rod is used for contacting with the side wall of the limiting groove to limit the rotation limit position of the towing hook.
4. The roller coaster lifting structure of claim 3, wherein a rotation center of the towing hook is provided with a rotation shaft, the towing hook is rotatably connected with the frame body assembly through the rotation shaft, one end of the rotation shaft extends out of the frame body assembly, the rotation shaft is provided with a first through hole, the first through hole is used for penetrating the rope body, a penetrating end of the first through hole of the rope body is provided with a limiting buckle, and the limiting buckle is used for limiting the rope body in the first through hole.
5. The roller coaster lifting structure of claim 4, wherein the pivot is further provided with a limiting plate and an external thread, the limiting plate is arranged adjacent to the first through hole, the pivot is provided with a first pressing member, the first pressing member is in threaded connection with the pivot, and the first pressing member is used for being matched with the limiting plate to press the rope body in the first through hole.
6. The roller coaster lifting structure of claim 2, wherein the frame assembly is rotatably provided with a guide wheel, the guide wheel is positioned between the towing hook and the turntable, the rope passes through a space between the guide wheel and the frame assembly, and the guide wheel is used for supporting and guiding the rope.
7. The roller coaster lifting structure of claim 6, wherein the turntable is provided with an arc-shaped guide plate, the rope body contacts with the guide plate, and the rope body passes through the turntable and bypasses the column.
8. The roller coaster lifting structure of claim 7, wherein the base is provided with a threaded rod, the threaded rod is provided with a second through hole, the second through hole is used for penetrating through the rope body, the threaded rod is in threaded connection with a second pressing member, and the second pressing member is used for being matched with the turntable to press and fix the rope body in the second through hole.
9. The roller coaster lifting structure of claim 8, wherein the drive assembly comprises:
the driving motor is arranged on the frame body assembly;
and the winding wheel is coaxially connected with the driving motor and is used for winding the rope body.
10. The roller coaster lifting structure of claim 8, wherein the threaded rod is threadedly connected with an anti-loosening member, the thread of the threaded rod is a bidirectional thread, the anti-loosening member is provided with a thread having a direction opposite to that of the second pressing member, the anti-loosening member is provided with a clamping rod, the second pressing member is provided with an annular clamping groove, and the clamping rod is used for being bent and clamped into the clamping groove.
Priority Applications (1)
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CN202023334460.8U CN214436458U (en) | 2020-12-31 | 2020-12-31 | Roller coaster lifting structure |
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CN202023334460.8U CN214436458U (en) | 2020-12-31 | 2020-12-31 | Roller coaster lifting structure |
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CN214436458U true CN214436458U (en) | 2021-10-22 |
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CN202023334460.8U Active CN214436458U (en) | 2020-12-31 | 2020-12-31 | Roller coaster lifting structure |
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