Ejection type lifting stage
By using a combination of a servo motor-driven winch and wire rope, the problem of fixed speed and height in existing stage catapult devices has been solved, enabling rapid catapult launch and height adjustment to accommodate performers of different weights, and improving the ease of operation and safety of the equipment.
Patent Information
- Application Number
- CN202520476948.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing stage catapult system has a fixed speed and height, which cannot accommodate performers of different weights, making it impossible to adjust the catapult height at any time.
The system employs a combination of a servo motor-driven winch and wire rope, along with guide wheels and guide rods, to enable rapid lifting and height adjustment of the launch platform.
It achieves a rapid ejection effect, is suitable for performers of different weights, is simple to operate, easy to maintain, and highly safe to use, bringing a stunning visual experience to the audience.
Smart Images

Figure CN223944983U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to outdoor show equipment field, especially a kind of ejector lift stage. BACKGROUND
[0002] In recent years, with the continuous development and innovation of stage non-standard mechanical equipment, the performance mode of actors also becomes diversified, in addition to the exquisite performance of actors, stage design, sound, light, video, props and so on, some special effects also need stage machinery to realize, such as the rapid ejection of actors from the lower stage to the upper stage, to achieve the required stage effect.
[0003] The current auxiliary stage ejecting device speed is fixed, and the ejection height is fixed, so the ejection height cannot be adjusted at any time for performers with different body weights. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of ejector lift stage to solve the above problems.
[0005] According to one aspect of the utility model, an ejector lift stage is provided, comprising: a frame body, an ejecting platform and a driving device, the driving device comprising a winch and a servo motor, the output end of the servo motor being in driving connection with the winch, the ejecting platform being arranged on the frame body, the driving device being arranged on one side of the frame body, a lower pulley set being fixedly arranged at the bottom of the frame body, an upper pulley set being fixedly arranged at the top of the frame body, a steel wire rope set being connected to the output end of the winch, the steel wire rope set being connected to the ejecting platform after sequentially passing through the lower pulley set and the upper pulley set.
[0006] In some embodiments, the lower pulley set comprises a left lower pulley arranged below the left side of the frame body and a right lower pulley arranged below the right side of the frame body; the upper pulley set comprises a left upper pulley arranged above the left side of the frame body and a right upper pulley arranged above the right side of the frame body; the steel wire rope set comprises a first steel wire rope and a second steel wire rope, the first steel wire rope being connected to the left side of the ejecting platform after sequentially passing through the right lower pulley, the left lower pulley and the left upper pulley, and the second steel wire rope being connected to the right side of the ejecting platform after sequentially passing through the right lower pulley and the right upper pulley.
[0007] In some embodiments, the number of left lower pulleys is two, the number of right lower pulleys is four, the number of left upper pulleys is two, and the number of right upper pulleys is two; the number of first steel wire ropes is two, and the number of second steel wire ropes is two.
[0008] In some embodiments, two sides of the frame body are respectively provided with guide rods in a vertical direction, and the bottom of the ejection platform is respectively provided with guide blocks corresponding to the guide rods, and the guide blocks are provided with guide holes for the guide rods.
[0009] In some embodiments, two sides of the ejection platform are respectively provided with universal bolts for fixing the steel wire rope group.
[0010] In some embodiments, a guide wheel group is arranged between the driving device and the frame body, the guide wheel group comprises four guide pulleys corresponding to the lower right pulley, and the steel wire rope group is guided out from the driving device, passes through the guide wheel group and enters the lower right pulley.
[0011] In some embodiments, the ejection platform is provided with a handrail support.
[0012] In some embodiments, the top of the frame body is provided with an oil buffer for contacting the ejection platform.
[0013] Compared with the prior art, the beneficial effects of the present application are:
[0014] The present application can realize a rapid ejection performance effect in a shallow foundation pit by servo motor driving control and frame body structure design, and bring a shocking visual experience to the audience; the servo motor control is adjustable in speed, and the ejection height of the performer can be adjusted at any time, the device also has a lifting function, and is suitable for performers with different weights, the device is simple to operate, convenient to maintain and high in safety. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a three-dimensional structure schematic view of the present application;
[0016] Fig. 2 It is a connection structure schematic view of the steel wire rope group and the ejection platform of the present application;
[0017] Fig. 3 It is a three-dimensional structure schematic view of the frame body of the present application;
[0018] Fig. 4 It is a three-dimensional structure schematic view of the ejection platform of the present application. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0020] Reference Figs. 1 to 4 The application provides a bounce type lifting stage, which comprises a frame body 1, a bounce stage 2 and a driving device, the driving device comprises a winch 3 and a servo motor 4, the output end of the servo motor 4 is in transmission connection with the winch 3, the bounce stage 2 is arranged on the frame body 1 in a lifting mode, the driving device is arranged on one side of the frame body 1, the bottom of the frame body 1 is fixedly provided with a lower pulley set, the top of the frame body 1 is fixedly provided with an upper pulley set, the output end of the winch 3 is connected with a steel wire rope set, the steel wire rope set is connected with the bounce stage 2 after sequentially penetrating through the lower pulley set and the upper pulley set from the winch 3.
[0021] In some embodiments, the lower pulley set comprises a left lower pulley 5 arranged at the lower left of the frame body 1 and a right lower pulley 6 arranged at the lower right of the frame body 1, the upper pulley set comprises a left upper pulley 7 arranged at the upper left of the frame body 1 and a right upper pulley 8 arranged at the upper right of the frame body 1, and the steel wire rope set comprises a first steel wire rope and a second steel wire rope, the first steel wire rope is connected with the left side of the bounce stage 2 after sequentially penetrating through the right lower pulley 6, the left lower pulley 5 and the left upper pulley 7, and the second steel wire rope is connected with the right side of the bounce stage 2 after sequentially penetrating through the right lower pulley 6 and the right upper pulley 8, so that the distribution of the steel wire rope set, the upper pulley set and the lower pulley set can ensure the smooth traction of the steel wire rope set without affecting the movement range of the bounce stage 2.
[0022] In some embodiments, the number of the left lower pulleys 5 is two, the number of the right lower pulleys 6 is four, the number of the left upper pulleys 7 is two, and the number of the right upper pulleys 8 is two, the number of the first steel wire ropes is two, and the number of the second steel wire ropes is two.
[0023] In some embodiments, guide rods 9 are arranged on the two sides of the frame body 1 in the vertical direction respectively, guide blocks 10 are arranged on the two sides of the bottom of the bounce stage 2 respectively and correspond to the guide rods 9, the guide blocks 10 are provided with guide holes for the guide rods 9 to penetrate, and the guide rods 9 and the guide blocks 10 can ensure the smooth lifting of the bounce stage 2.
[0024] In some embodiments, hinged bolts 11 for fixing the steel wire rope set are arranged on the two sides of the bounce stage 2 respectively, one end of the steel wire rope set is fixed to the bounce stage 2 through the hinged bolts 11, and the connection stability of the steel wire rope set and the bounce stage 2 is ensured.
[0025] In some embodiments, a guide wheel set 12 is arranged between the driving device and the frame body 1, the guide wheel set 12 comprises four guide pulleys corresponding to the right lower pulleys 6, and the steel wire rope set enters the right lower pulleys 6 after being guided out of the driving device through the guide wheel set 12.
[0026] In some embodiments, the bounce stage 2 is provided with handrail supports 13 for performers to hold on to.
[0027] In some embodiments, the top of the frame 1 is provided with an oil buffer 14 to contact the launching platform 2, which brakes when the launching platform 2 approaches the top of the frame 1.
[0028] The specific lifting principle of the present application is that two first steel wires are guided out from the winch 3 through guide wheels, pass through the right lower pulley 6, the bottom of the frame 1, the left lower pulley 5 and the left upper pulley 7 in turn, and are connected to the left side of the launching platform 2; the second steel wire passes through the right lower pulley 6 and the right upper pulley 8 in turn and is connected to the right side of the launching platform 2; before being lifted, the launching platform 2 is at the bottom of the frame 1, after the performer enters the launching platform 2, the servo motor 4 drives the winch 3 to perform the winding process on the steel wire group, the winding speed can be adjusted through the servo motor 4, the launching platform 2 is quickly lifted to the oil buffer 14 under the driving of the steel wire group, and the performer is launched onto the stage.
[0029] The present application can realize the rapid launching performance effect in a shallow foundation pit through the driving control of the servo motor 4 and the structural design of the frame 1, and can bring a shocking visual experience to the audience; the servo motor 4 is controlled, the speed is adjustable, the launching height of the performer can be adjusted at any time, the device also has the lifting function, is suitable for performers with different weights, the device is simple to operate, convenient to maintain and high in safety.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A catapult stage, characterized by, Include: Frame, ejecting platform and drive device, the drive device includes winch and servo motor, the output end of the servo motor is in transmission connection with the winch, the ejecting platform is arranged on the frame, the drive device is arranged on one side of the frame, the bottom of the frame is fixed with lower pulley group, the top of the frame is fixed with upper pulley group, the output end of the winch is connected with steel wire rope group, the steel wire rope group is connected with the ejecting platform after passing through lower pulley group and upper pulley group in turn after extending from the winch.
2. The catapult stage according to claim 1, wherein The lower pulley group includes left lower pulley arranged at the lower left of the frame and right lower pulley arranged at the lower right of the frame; The upper pulley group includes left upper pulley arranged at the upper left of the frame and right upper pulley arranged at the upper right of the frame; The steel wire rope group includes first steel wire rope and second steel wire rope, the first steel wire rope is connected with the left side of the ejecting platform after passing through right lower pulley, left lower pulley and left upper pulley in turn, the second steel wire rope is connected with the right side of the ejecting platform after passing through right lower pulley and right upper pulley in turn.
3. The catapult stage according to claim 2, wherein The number of left lower pulleys is two, the number of right lower pulleys is four, the number of left upper pulleys is two, and the number of right upper pulleys is two; The number of first steel wire ropes is two, and the number of second steel wire ropes is two.
4. The catapult stage of claim 1, wherein, The two sides of the frame are respectively provided with guide rods in the vertical direction, and the bottom of the ejecting platform is provided with guide blocks corresponding to the guide rods, and the guide blocks are provided with guide holes for the guide rods.
5. The catapult lift stage of claim 1, wherein, The two sides of the ejecting platform are respectively provided with knuckle bolts for fixing the steel wire rope group.
6. The catapult stage according to claim 3, wherein The drive device and the frame are provided with a guide wheel group, the guide wheel group includes four guide pulleys corresponding to the right lower pulleys, and the steel wire rope group enters the right lower pulleys after passing through the guide wheel group from the drive device.
7. The catapult stage of claim 1, wherein, The ejecting platform is provided with a handrail support.
8. The catapult stage of claim 1, wherein, The top of the frame is provided with an oil buffer for contacting the ejecting platform.