A multi-stage linkage telescopic mechanism robot

By using a servo motor to drive a transmission belt and a synchronous belt, the multi-stage linkage telescopic mechanism can achieve unidirectional extension and retraction, which solves the problem of uneven force caused by the drive source being located in the middle in the existing technology, and improves the stability and ease of use of the equipment.

CN224295887UActive Publication Date: 2026-05-29SHANYONG INTELLIGENT (DONGGUAN) ROBOT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANYONG INTELLIGENT (DONGGUAN) ROBOT CO LTD
Filing Date
2025-07-18
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

In existing multi-stage linkage telescopic mechanisms, the drive source of the telescopic components is usually located in the middle, resulting in uneven overall force distribution and excessive load on the middle drive source, which affects service life and stability.

Method used

A multi-stage linkage telescopic mechanism robot is adopted, which uses a servo motor to drive a transmission belt to drive a synchronous belt, realizing multi-stage linkage unidirectional extension and retraction. Linear guide rails and limit sensors are used to ensure motion stability and smoothness.

Benefits of technology

It achieves multi-level linkage unidirectional expansion and contraction, simplifies the operation process, avoids the complexity and risk of misoperation of bidirectional expansion and contraction, and improves ease of use and equipment stability.

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Abstract

The utility model relates to mechanical engineering technical field discloses a kind of multistage linkage telescopic mechanism robots, including primary bottom support plate, the bottom of primary bottom support plate is fixedly connected with servo motor, the driving end of servo motor is fixedly connected with two transmission belts, the top of two transmission belts is fixedly connected with primary synchronous belt clamping piece, the top of two primary synchronous belt clamping pieces is fixedly connected with secondary bottom support plate, the similar side of two transmission belts is fixedly connected with rolling wheel, the similar side of two rolling wheels is fixedly connected with synchronous wheel, the driving end of synchronous wheel is fixedly connected with synchronous belt one. In the utility model, servo motor makes transmission belt let top primary synchronous belt clamping piece move, makes rolling wheel let middle synchronous wheel move, makes top synchronous belt one move, makes synchronous belt one on secondary synchronous belt clamping piece move, makes tertiary bottom support plate slide.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical engineering technology, and in particular to a multi-level linkage telescopic mechanism robot. Background Technology

[0002] Multi-level linkage refers to the mechanism of associating multiple levels of components through mechanical structures or control logic, enabling them to coordinate actions according to set rules, and achieving a single operation driving multi-level synchronous or sequential movement. Telescopic mechanisms are mechanical structures that change the overall length or extension range through the relative sliding and folding of components, expanding the working space when extended and reducing the volume occupied when retracted. The multi-level linkage of telescopic mechanisms aims to significantly extend the telescopic stroke within a limited space through layered stacking, while ensuring coordinated action at each level and avoiding interference through linkage design. Its core function is to overcome the extension limitations of a single component through a multi-level structure, and to ensure motion stability and controllability through linkage mechanisms. This allows for the fulfillment of the dual requirements of large-stroke extension and compact storage in scenarios such as engineering machinery, aerospace, and industrial equipment, improving the equipment's adaptability to different operating environments and space utilization.

[0003] The multi-level linkage telescopic mechanism robot mainly consists of telescopic units, drive components, transmission components, guiding devices, and control components. The telescopic unit is the basic module, typically designed as a multi-section nested structure, with each unit capable of relative sliding or unfolding. The drive component, depending on application requirements, uses power sources such as hydraulic pumps, cylinders, and motors to provide power for the telescopic movement. The transmission components, including linkage mechanisms, gear racks, and wire ropes, transmit driving force and realize the linkage logic of the multi-level units. The guiding device ensures that each unit moves in a predetermined direction during telescopic movement, preventing swaying or jamming. The control component coordinates the drive timing and motion parameters through sensors, controllers, and other components, ensuring that the multi-level units telescopically extend and retract collaboratively according to set rules. Through structural optimization and integrated design, all parts work together to achieve the mechanism's large-stroke extension, compact storage, and stable movement functions.

[0004] In existing technologies, the telescopic components of some multi-stage linkage telescopic mechanisms are driven by the central drive source, which causes them to extend and retract in a coordinated manner to both sides. This results in an uneven distribution of force on the overall mechanism, and the central drive source bears a large load. Over long-term operation, this can affect the service life and stability of the mechanism. A multi-stage linkage telescopic mechanism robot is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a multi-level linkage telescopic mechanism robot, which aims to improve the problem that in the existing technology, the telescopic components are all driven by the middle, which causes them to telescopically extend and retract to both sides. This results in an uneven distribution of force on the overall mechanism, and the middle drive source bears a large load, which will affect its service life and stability under long-term operation.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A multi-stage linkage telescopic mechanism robot includes a primary bottom support plate. A servo motor is fixedly connected to the bottom of the primary bottom support plate. Two transmission belts are fixedly connected to the drive end of the servo motor. A primary synchronous belt tensioner is fixedly connected to the top of each of the two transmission belts. A secondary bottom support plate is fixedly connected to the top of each of the two primary synchronous belt tensioners. Rolling wheels are fixedly connected to adjacent sides of the two transmission belts. Synchronous wheels are fixedly connected to adjacent sides of the two rolling wheels. A first synchronous belt is fixedly connected to the drive end of each synchronous wheel. A second synchronous belt tensioner is fixedly connected to the top of the first synchronous belt. A tertiary bottom support plate is fixedly connected to the top of the second synchronous belt tensioner.

[0008] As a further description of the above technical solution:

[0009] Linear guide rails are fixedly connected to both the front and rear sides of the first-level bottom support plate, and a limit sensor is fixedly connected to the front side of the first-level bottom support plate.

[0010] As a further description of the above technical solution:

[0011] The front and rear sides of the secondary bottom support plate are fixedly connected to linear guide rails, and the top of the tertiary bottom support plate is fixedly connected to a placement rack.

[0012] As a further description of the above technical solution:

[0013] Each of the two linear guide rails is slidably connected to a guide rail component, and the top of the guide rail component is fixedly connected to the bottom of the three-level bottom support plate.

[0014] This utility model has the following beneficial effects:

[0015] In this invention, a servo motor drives the transmission belt to move the top primary synchronous belt tensioning plate, which in turn drives the rolling wheel to move the middle synchronous wheel, thereby moving the top primary synchronous belt, which in turn moves the secondary synchronous belt tensioning plate on the primary synchronous belt, which in turn causes the tertiary bottom support plate to slide. This achieves unidirectional telescopic extension and retraction with multi-stage linkage. In addition, unidirectional extension and retraction simplifies the operation process, avoids the complexity and risk of misoperation in bidirectional extension and retraction, and thus improves ease of use. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of a multi-level linkage telescopic mechanism robot proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the secondary bottom support plate of a multi-stage linkage telescopic mechanism robot proposed in this utility model.

[0018] Figure 3 This is a schematic diagram of the linear guide rail two of a multi-level linkage telescopic mechanism robot proposed in this utility model.

[0019] Legend:

[0020] 1. Primary bottom support plate; 2. Servo motor; 3. Primary synchronous belt tensioner; 4. Synchronous belt one; 5. Rolling wheel; 6. Secondary synchronous belt tensioner; 7. Tertiary bottom support plate; 8. Linear guide rail one; 9. Guide rail component one; 10. Secondary bottom support plate; 11. Linear guide rail two; 12. Limit sensor; 13. Placement rack; 14. Synchronous pulley; 15. Transmission belt. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Reference Figure 2 and Figure 3This utility model provides an embodiment of a multi-stage linkage telescopic mechanism robot, including a primary bottom support plate 1. The primary bottom support plate 1 serves as the basic load-bearing component of the entire telescopic mechanism and is the installation reference for all upper structures. A servo motor 2 is fixedly connected to the bottom of the primary bottom support plate 1. The servo motor 2 is the power source of the entire mechanism, driving the transmission components to move by outputting torque. Two transmission belts 15 are fixedly connected to the drive end of the servo motor 2. The transmission belts 15 are the power transmission medium, connecting the servo motor 2 with the primary synchronous belt clamping plate and rolling wheel 5, transmitting the operating force of the servo motor 2. A primary synchronous belt tensioning plate 3 is fixedly connected to the top of each of the two transmission belts 15. The primary synchronous belt tensioning plate 3 is a key connecting component between the transmission belts 15 and the secondary bottom support plate 10. The secondary bottom support plate 10 is fixedly connected to the top of the two primary synchronous belt tensioning plates 3. The secondary bottom support plate 10 supports the primary and tertiary structures. In the intermediate load-bearing component, rolling wheels 5 are fixedly connected to the adjacent sides of the two transmission belts 15. The rolling wheels 5 are auxiliary support and guiding components, reducing motion friction and ensuring the smooth extension and retraction of the mechanism. Synchronous pulleys 14 are fixedly connected to the adjacent sides of the two rolling wheels 5. Synchronous pulleys 14 change the direction of power transmission and drive the synchronous belt 4 to move, realizing secondary power transmission and providing power for tertiary extension and retraction. The driving end of the synchronous pulley 14 is fixedly connected to the synchronous belt 4, which is the secondary power transmission medium. It connects the synchronous pulley 14 to the secondary synchronous belt tensioning plate 6, transmitting the power of the synchronous pulley 14 to the tertiary bottom support plate 7. The top of the synchronous belt 4 is fixedly connected to the secondary synchronous belt tensioning plate 6, which is the connecting piece between the synchronous belt 4 and the tertiary bottom support plate 7. The top of the secondary synchronous belt tensioning plate 6 is fixedly connected to the tertiary bottom support plate 7, which is the topmost extension and retraction component of the mechanism, directly realizing the maximum extension and retraction of the mechanism.

[0023] Reference Figures 1 to 3Linear guide rails 11 are fixedly connected to both the front and rear sides of the primary bottom support plate 1. Linear guide rails 11 provide guidance and support for the telescopic movement of the secondary bottom support plate 10, ensuring the straightness and stability of its movement trajectory. Limit sensor 12 is fixedly connected to the front side of the primary bottom support plate 1. Limit sensor 12 limits the servo motor 2. When the secondary bottom support plate 10 and the tertiary bottom support plate 7 are running stably, they drive the equipment to run and stabilize it. Linear guide rails 8 are fixedly connected to both the front and rear sides of the secondary bottom support plate 10. Linear guide rails 8 provide guidance and support for the telescopic movement of the tertiary bottom support plate 7. A placement rack 13 is fixedly connected to the top of the tertiary bottom support plate 7. The placement rack 13 is used to place or install the target object or tool required for actual operation. Guide rail components 9 are slidably connected to the top of the two linear guide rails 8. The top of the guide rail components 9 is fixedly connected to the bottom of the tertiary bottom support plate 7. The guide rail components 9 are sliding components that connect the tertiary bottom support plate 7 and the linear guide rails 8.

[0024] Working principle: First, the operator places the placement frame 13 on top of the three-stage bottom support plate 7. Then, the operator starts the servo motor 2, which drives the top transmission belt 15 to move the top primary synchronous belt clamping plate 3, causing the rolling wheel 5 to rotate. This causes the primary synchronous belt clamping plate 3 to move the top secondary bottom support plate 10, which in turn causes the synchronous wheel 14 to drive the top synchronous belt 4. This causes the synchronous belt 4 to drive the top secondary synchronous belt clamping plate, which in turn causes the top tertiary bottom support plate 7 to rotate. This allows both the tertiary bottom support plate 7 and the secondary bottom support plate 10 to move, thus achieving unidirectional telescopic extension and retraction of multiple stages. In addition, unidirectional extension and retraction simplifies the operation process, avoids the complexity and risk of misoperation associated with bidirectional extension and retraction, and improves ease of use.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-stage linkage telescopic mechanism robot, comprising a primary bottom support plate (1), characterized in that: A servo motor (2) is fixedly connected to the bottom of the first-level bottom support plate (1). Two transmission belts (15) are fixedly connected to the drive end of the servo motor (2). A first-level synchronous belt clamping plate (3) is fixedly connected to the top of each of the two transmission belts (15). A second-level bottom support plate (10) is fixedly connected to the top of each of the two first-level synchronous belt clamping plates (3). Rolling wheels (5) are fixedly connected to the adjacent side of each of the two transmission belts (15). A synchronous wheel (14) is fixedly connected to the adjacent side of each of the two rolling wheels (5). A synchronous belt (4) is fixedly connected to the drive end of the synchronous wheel (14). A second-level synchronous belt clamping plate (6) is fixedly connected to the top of the first-level synchronous belt (4). A third-level bottom support plate (7) is fixedly connected to the top of the second-level synchronous belt clamping plate (6).

2. The multi-stage linkage telescopic mechanism robot according to claim 1, characterized in that: Linear guide rails (11) are fixedly connected to both the front and rear sides of the first-level bottom support plate (1), and a limit sensor (12) is fixedly connected to the front side of the first-level bottom support plate (1).

3. The multi-stage linkage telescopic mechanism robot according to claim 1, characterized in that: The front and rear sides of the secondary bottom support plate (10) are fixedly connected with linear guide rails (8), and the top of the tertiary bottom support plate (7) is fixedly connected with a placement rack (13).

4. A multi-stage linkage telescopic mechanism robot according to claim 3, characterized in that: The top of each of the two linear guide rails (8) is slidably connected to a guide rail component (9), and the top of the guide rail component (9) is fixedly connected to the bottom of the third-level bottom support plate (7).