Stage suspender with load-bearing overload safety early warning function

By using a winding ring and wire rope structure to evenly distribute the weight in the stage hoist, and equipping it with a weight detector and drive motor, the safety warning problem of stage hoist overload is solved, realizing the smooth operation of the hoist and the safety warning function.

CN223882139UActive Publication Date: 2026-02-06JIANGSU XINGCHEN PERFORMING ARTS EQUIP ENG CO LTD
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Patent Information

Application Number
CN202520784461.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-02-06
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

The existing stage rigging lacks a safety warning mechanism for overload, which may lead to accidents and threaten the safety of staff and performers.

Method used

The system employs a winding ring and wire rope structure to evenly distribute the weight, and is equipped with a weight detector to monitor the load in real time. The drive motor is located at the bottom of the supporting top plate to efficiently transmit power, ensuring smooth operation of the boom and timely early warning.

Benefits of technology

It improves the operational safety and reliability of stage rigging, provides timely warnings to avoid overload, and ensures personnel safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223882139U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of stage suspenders, and discloses a stage suspender with bearing overload safety early warning, which comprises a support top plate, the bottom of the support top plate is fixedly connected with an installation clamping frame, the top of the support top plate is fixedly connected with a fixed sleeve, and the interior of the fixed sleeve is in threaded connection with an installation top plate; and the bottom of the supporting top plate is in threaded connection with a fixing screw rod, the surface of the fixing screw rod is in threaded connection with a mounting clamping ring, and a driving motor is clamped in the mounting clamping ring. The winding ring and the steel wire rope are arranged, so that stress of the stage suspender in the lifting process is more balanced, shaking caused by uneven stress is reduced, when the stage suspender bears stage equipment or props, the symmetrical winding structures can evenly share weight, the safety and reliability of operation of the stage suspender are improved, and the stage suspender is suitable for large-scale popularization and application. By arranging the weight detector, the weight borne by the stage suspender can be accurately detected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to stage derrick technical field especially, it relates to a stage derrick with bearing overload safety early warning. BACKGROUND

[0002] Stage derrick is the tool for hanging lamps and scenery in places such as cinema, auditorium, club, studio, multi-functional hall and gymnasium. Stage derrick is a kind of horizontal pole, is used to hang various background cloth or curtain, and can be lifted and lowered throughout the stage. Normally, the derrick is hung in the position that audience cannot see above the stage, only when arranging the stage, it is lowered to fix the hanging objects, and stage derrick is initially operated manually, then is changed to electric drive, and is controlled by microcomputer. A stage is usually equipped with at least two derricks (one in the stage mouth, and one in the back curtain), and more derricks, and stage derrick machine realizes the rapid and accurate lifting of scenery and props through electric or hydraulic drive system, ensures the coherence and fluency of stage effect, and brings immersive viewing experience to audience.

[0003] The utility model discloses a stage derrick with bearing overload safety early warning, CONTENT

[0004] To solve the above technical problem, the utility model provides a stage derrick with bearing overload safety early warning.

[0005] The utility model discloses the following technical scheme is realized: a stage derrick with bearing overload safety early warning, including support top board, the bottom fixed connection of support top board has the installation card frame, the top fixed connection of support top board has the fixed sleeve, the inside screw thread connection of fixed sleeve has installation top board;

[0006] The bottom screw thread connection of support top board has fixed screw rod, the surface screw thread connection of fixed screw rod has installation snap ring, the inside clamping of installation snap ring has drive motor, the output fixed connection of drive motor has transmission shaft, the right -hand member screw thread connection of transmission shaft has installation support, the surface rotation of transmission shaft is connected with fixed snap ring, the surface fixed connection of transmission shaft has winding ring, the surface rotation of winding ring is connected with steel wire rope, the inner wall fixed connection of steel wire rope has stage derrick, the surface fixed connection of stage derrick has weight detector.

[0007] As further improvement of the above scheme, the inside clamping of installation card frame has drive motor, the top of installation snap ring and the bottom surface of support top board contact, the fixed screw rod extends to the inside of support top board through installation snap ring.

[0008] As a further improvement of the above scheme, the number of the fixing sleeves and mounting top plates is four, and each two is a group, and the four fixing sleeves and mounting top plates are symmetrically distributed with the support top plate as the center.

[0009] Through the above technical scheme, the threaded connection mode of the mounting top plate and the fixing sleeve facilitates installation and adjustment, and also enhances the firmness of the connection, ensures the stability of the stage hanging rod in the vertical direction, and meets the suspension requirements of various equipment and props on the stage.

[0010] As a further improvement of the above scheme, the fixing ring is fixedly connected at the bottom of the support top plate, the driving motor is located at the bottom of the support top plate, and the transmission shaft is located at the bottom of the support top plate.

[0011] As a further improvement of the above scheme, the number of the winding rings and steel wires is two, and the two winding rings and steel wires are symmetrically distributed with the transmission shaft as the center.

[0012] Through the above technical scheme, the transmission shaft is in threaded connection with the mounting support plate, and is rotatably connected at the bottom of the support top plate through the fixing ring, so that the stability of the transmission shaft in rotation is ensured, and a certain axial force can be borne, the transmission shaft can stably transmit power in the lifting process of the stage hanging rod, and the smoothness of the movement of the hanging rod is ensured.

[0013] As a further improvement of the above scheme, the stage hanging rod is located at the bottom of the transmission shaft, and the weight detector is located at the bottom of the support top plate.

[0014] As a further improvement of the above scheme, the fixing ring is located at the top of the stage hanging rod, and the surface of the fixing ring is in contact with the surface of the weight detector.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a winding ring and steel wire are set up, and the stage hanging rod is more balanced in the lifting process, and the shaking due to uneven stress is reduced, when the stage hanging rod carries stage equipment or props, the symmetrical winding structure can evenly share the weight, improve the safety and reliability of the stage hanging rod operation, through setting up the weight detector, the weight that the stage hanging rod bears can be accurately detected, in the stage performance process, along with the mounting of various equipment and props, the weight detector can monitor the weight change in real time, once the weight exceeds the safety threshold set, can send the early warning signal in time, avoids the stage accident that the overloading causes guarantees the life safety of stage staff and actor.

[0017] The utility model discloses a drive motor is located the support top plate bottom, and its output drive shaft is connected with winding ring etc. component, and the layout of drive motor makes power transmission path shorter, and energy loss is reduced, when drive motor operation, can efficiently transmit power to drive shaft, and then drive winding ring rotation, realize the lifting operation of stage derrick. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic drawing of the utility model;

[0019] Figure 2 It is the structure schematic drawing of the utility model of looking up;

[0020] Figure 3 It is support top plate split structure schematic drawing of the utility model;

[0021] Figure 4 It is the structure schematic drawing of the utility model of rear view;

[0022] Figure 5 It is the structure schematic drawing of the utility model of right view.

[0023] Main symbol explanation:

[0024] 1, support top plate;2, installation clamping frame;3, fixed sleeve;4, installation top plate;5, installation clamping ring;6, fixed screw;7, drive motor;8, drive shaft;9, installation support plate;10, fixed clamping ring;11, winding ring;12, steel wire rope;13, stage derrick;14, weight detector. DETAILED DESCRIPTION

[0025] Below, combining the drawings and specific implementation, the utility model is described further, need explaining is, under the premise of not conflicting, the following described each embodiment between or each technical feature between can be any combination and form new embodiment.

[0026] Embodiment:

[0027] Please combine Figures 1-5 The utility model discloses a stage derrick with bearing overload safety early warning, including support top plate 1, the bottom fixedly connected with installation clamping frame 2 of support top plate 1, the top fixedly connected with fixed sleeve 3 of support top plate 1, the inside screw thread connection with installation top plate 4 of fixed sleeve 3;

[0028] The bottom of the support top plate 1 is threadedly connected with a fixing screw rod 6, the surface of the fixing screw rod 6 is threadedly connected with a mounting snap ring 5, the inside of the mounting snap ring 5 is clamped with a driving motor 7, the output end of the driving motor 7 is fixedly connected with a transmission shaft 8, the right end of the transmission shaft 8 is threadedly connected with a mounting support plate 9, the surface of the transmission shaft 8 is rotatably connected with a fixing snap ring 10, the surface of the transmission shaft 8 is fixedly connected with a winding ring 11, the surface of the winding ring 11 is rotatably connected with a steel wire rope 12, the inner wall of the steel wire rope 12 is fixedly connected with a stage boom 13, the surface of the stage boom 13 is fixedly connected with a weight detector 14, the setting of the winding ring 11 and the steel wire rope 12 makes the stage boom 13 more balanced in the lifting process, reduces the shaking caused by uneven stress, when the stage boom 13 carries stage equipment or props, the symmetrical winding structure can evenly share the weight, improves the safety and reliability of the stage boom 13 operation, the setting of the weight detector 14 can accurately detect the weight borne by the stage boom 13, in the stage performance process, with the mounting of various equipment and props, the weight detector 14 can monitor the weight change in real time, once the weight exceeds the set safety threshold, a warning signal can be sent in time to avoid stage accidents caused by overload bearing and ensure the life safety of stage staff and actors.

[0029] The inside of the mounting snap ring 2 is clamped with a driving motor 7, the top of the mounting snap ring 5 is in contact with the bottom surface of the support top plate 1, and the fixing screw rod 6 extends through the mounting snap ring 5 to the inside of the support top plate 1.

[0030] The number of the fixing sleeve 3 and the mounting top plate 4 is four, and every two is a group, and the four fixing sleeves 3 and the mounting top plates 4 are distributed symmetrically with the support top plate 1 as the center.

[0031] The mounting top plate 4 and the fixing sleeve 3 are threadedly connected, which facilitates installation and adjustment, and also enhances the firmness of the connection, ensuring the stability of the stage boom 13 in the vertical direction to meet the suspension needs of various equipment and props on the stage.

[0032] The fixing snap ring 10 is fixedly connected at the bottom of the support top plate 1, the driving motor 7 is located at the bottom of the support top plate 1, and the transmission shaft 8 is located at the bottom of the support top plate 1, by setting the driving motor 7 at the bottom of the support top plate 1, the output end of the driving motor 7 is connected with the winding ring 11 and other components, the layout of the driving motor 7 makes the power transmission path shorter, reduces energy loss, when the driving motor 7 operates, it can efficiently transmit power to the transmission shaft 8, and then drive the winding ring 11 to rotate, realizing the lifting operation of the stage boom 13.

[0033] The number of the winding ring 11 and the steel wire rope 12 is two, and the two winding rings 11 and the steel wire ropes 12 are distributed symmetrically left and right with the transmission shaft 8 as the center.

[0034] The transmission shaft 8 is threadedly connected with the mounting support plate 9 and is rotatably connected at the bottom of the support top plate 1 through the fixing clasp 10, which not only ensures stable rotation of the transmission shaft 8 but also can bear certain axial force, so that the transmission shaft 8 can stably transmit power during lifting of the stage boom 13, thereby ensuring smooth movement of the stage boom.

[0035] The stage boom 13 is located at the bottom of the transmission shaft 8, and the weight detector 14 is located at the bottom of the support top plate 1.

[0036] The fixing clasp 10 is located at the top of the stage boom 13, and the surface of the fixing clasp 10 is in contact with the surface of the weight detector 14.

[0037] The implementation principle of the stage boom with load overload safety warning in the embodiment of the application is as follows: the stage boom 13 is more balanced in force during lifting by setting the winding ring 11 and the steel wire rope 12, and shaking due to uneven force is reduced; when the stage boom 13 carries stage equipment or props, the symmetrical winding structure can evenly share the weight, thereby improving safety and reliability of operation of the stage boom 13; the weight detector 14 can accurately detect the weight borne by the stage boom 13; during stage performance, the weight detector 14 can monitor weight changes in real time as various equipment and props are hung; once the weight exceeds a set safety threshold, a warning signal can be timely sent to avoid stage accidents caused by load overload, thereby ensuring safety of stage staff and actors; the driving motor 7 is arranged at the bottom of the support top plate 1, and the output end of the driving motor 7 is connected with the transmission shaft 8 connected with the winding ring 11 and other components, so that the driving motor 7 has a short power transmission path, thereby reducing energy loss; when the driving motor 7 operates, power can be efficiently transmitted to the transmission shaft 8, thereby driving the winding ring 11 to rotate and achieving lifting operation of the stage boom 13.

[0038] The above embodiment is only a preferred embodiment of the application, and cannot be used to limit the scope of protection of the application; any non-substantial change and replacement made by a person skilled in the art on the basis of the application belongs to the scope of protection of the application.

Claims

1. A stage boom with load bearing overload safety warning, characterized in that, Including support roof (1), the bottom of support roof (1) is fixedly connected with installation card frame (2), the top of support roof (1) is fixedly connected with fixed sleeve (3), the inside of fixed sleeve (3) is threadedly connected with installation top plate (4); The bottom of support roof (1) is threadedly connected with fixed screw rod (6), the surface of fixed screw rod (6) is threadedly connected with installation snap ring (5), the inside of installation snap ring (5) is clamped with drive motor (7), the output end of drive motor (7) is fixedly connected with transmission shaft (8), the right end of transmission shaft (8) is threadedly connected with installation support plate (9), the surface of transmission shaft (8) is rotatably connected with fixed snap ring (10), the surface of transmission shaft (8) is fixedly connected with winding ring (11), the surface of winding ring (11) is rotatably connected with steel wire rope (12), the inner wall of steel wire rope (12) is fixedly connected with stage derrick (13), the surface of stage derrick (13) is fixedly connected with weight detector (14).

2. A stage boom with load bearing overload safety warning as claimed in claim 1, characterized in that: The inside of installation card frame (2) is clamped with drive motor (7), the top of installation snap ring (5) is in contact with the bottom surface of support roof (1), fixed screw rod (6) extends through installation snap ring (5) to the inside of support roof (1).

3. A stage boom with load bearing overload safety warning as claimed in claim 1, characterized in that: The number of fixed sleeve (3) and installation top plate (4) is four, and every two is a group, four fixed sleeve (3) and installation top plate (4) are distributed symmetrically with support roof (1) as center.

4. A stage boom with load bearing overload safety warning as claimed in claim 1, characterized in that: The fixed snap ring (10) is fixedly connected at the bottom of support roof (1), the drive motor (7) is located at the bottom of support roof (1), and the transmission shaft (8) is located at the bottom of support roof (1).

5. A stage boom with load bearing overload safety warning as claimed in claim 1, wherein: The number of winding ring (11) and steel wire rope (12) is two, and two winding ring (11) and steel wire rope (12) are distributed symmetrically left and right with transmission shaft (8) as center.

6. A stage boom with load bearing overload safety warning as claimed in claim 1, characterized in that: The stage derrick (13) is located at the bottom of transmission shaft (8), and the weight detector (14) is located at the bottom of support roof (1).

7. A stage boom with load bearing overload safety warning as claimed in claim 1, characterized in that: The fixed snap ring (10) is located at the top of stage derrick (13), and the surface of fixed snap ring (10) is in contact with the surface of weight detector (14).