A liftable base suitable for a smart robot

Abstract

This utility model discloses a height-adjustable base suitable for intelligent robots, including a base with symmetrically fixed slide rails on the top. Sliding blocks are slidably fitted onto the surfaces of the slide rails. A dual-head motor is fixedly installed in the middle of the base, and a lead screw is fixedly connected to the output end of the dual-head motor. The lead screw is threaded onto the sliding block, and a rotating rod is rotatably fitted onto the top of the sliding block. One end of the rotating rod is provided with an installation component. This utility model relates to the field of robot engineering technology. This height-adjustable base suitable for intelligent robots solves the problems of not being able to connect to the bottom of robots of different shapes, making overall assembly and disassembly inconvenient and labor-intensive. Furthermore, traditional lead screws directly drive the lifting platform, which makes the platform prone to tilting due to load shifting during lifting, and long-term direct-drive load-bearing easily leads to wear of the lead screw threads.

Description

Technical Field

[0001] This utility model relates to the field of robotics engineering technology, specifically to a height-adjustable base suitable for intelligent robots. Background Technology

[0002] Industrial robots and intelligent service robots are being widely used in intelligent manufacturing, warehousing and logistics, and special environment inspection (such as underground utility tunnels). As the core load-bearing component of the robot, the base not only needs to provide stable support, but also needs to have height adjustment capabilities to adapt to complex task scenarios (such as obstacle avoidance, workstation docking, obstacle crossing, etc.). Currently, common height-adjustable bases mainly have the following defects.

[0003] Existing lifting bases are fixed with bolts when connected to robots. This method is not suitable for connecting the bottom of robots with different shapes, and the overall assembly and disassembly are inconvenient and labor-intensive. In addition, the traditional lead screw directly drives the lifting platform, which makes the platform prone to tilting due to load offset during the lifting process. Long-term direct drive load can easily lead to wear of the lead screw threads. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a height-adjustable base suitable for intelligent robots, solving the problems of not being able to connect to the bottom of robots of different shapes, making overall assembly and disassembly inconvenient and labor-intensive. In addition, traditional lead screws directly drive the lifting and lowering of the load-bearing platform, which makes the platform prone to tilting due to load offset during the lifting and lowering process. Furthermore, long-term direct drive load-bearing can easily lead to wear of the lead screw threads.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a liftable base suitable for intelligent robots, including a base, a slide rail symmetrically fixedly installed on the top of the base, a sliding block slidably sleeved on the surface of the slide rail, and a dual-head motor fixedly installed in the middle of the base, a lead screw fixedly connected to the output end of the dual-head motor, and the lead screw threadedly sleeved on the sliding block, a rotating rod rotatably sleeved on the top of the sliding block, and an installation component provided at one end of the rotating rod;

[0006] The mounting assembly includes a bottom cover rotatably connected to a rotating rod, and a top cover fixedly mounted on the top of the bottom cover. The inner walls of the bottom cover and the top cover are respectively provided with a sliding groove and a limiting groove. The sliding groove and the limiting groove are respectively slidably fitted with a curved toothed rod and an internal and external gear through a sliding rod and a limiting ring. The inner wall of the bottom cover is rotatably fitted with a gear. The top of the top cover is fixedly mounted with a drive motor, and the output end of the drive motor is fixedly connected to the gear. The gear, the internal and external gears, and the curved toothed rod are meshed with each other.

[0007] Preferably, a cover is fixedly connected to the end of the lead screw.

[0008] Preferably, the end of the curved toothed rod is flush with the middle hole of the bottom cover and the top cover.

[0009] Preferably, a mounting box is fixedly installed in the middle of the top of the base, and the mounting box covers the dual-head motor and the slide rail.

[0010] Preferably, the lead screw passes through the surface of the mounting box.

[0011] Preferably, the surfaces of the mounting box and the bottom cover are rotatably fitted with telescopic plates via connectors.

[0012] This invention provides a height-adjustable base suitable for intelligent robots. Compared with existing technologies, it has the following advantages:

[0013] 1. This height-adjustable base for intelligent robots uses a dual-head motor to drive a bidirectional lead screw, along with symmetrical slide rails and sliding blocks, to achieve synchronous reverse lifting and lowering. This addresses the tilting problem that occurs when the lead screw is directly driven, and the telescopic plate distributes the load-bearing pressure to the overall frame of the base, reducing the continuous stress on the lead screw, extending the life of the drive unit, increasing stability, and reducing the load on the lead screw.

[0014] 2. This height-adjustable base for intelligent robots uses a gear transmission linkage design through the installation components. The drive motor drives the inner and outer gears and the curved rack to mesh. The curved rack can bend and extend to accommodate the clamping of robot bottoms of different shapes, and is easy to assemble and disassemble and is stable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the mounting box of this utility model;

[0017] Figure 3 This is a schematic diagram of the structural installation components of this utility model;

[0018] Figure 4 This is a sectional view of the structural mounting assembly of this utility model;

[0019] Figure 5 This is a schematic diagram showing the disassembled structural assembly components of this utility model;

[0020] Figure 6 The structure of this utility model Figure 5 Enlarged view of a portion of point A in the middle;

[0021] Figure 7 This is a schematic diagram of the bottom cover and top cover of this utility model.

[0022] In the diagram: 1. Base; 2. Slide rail; 3. Connector; 4. Mounting box; 5. Sliding block; 6. Telescopic plate; 7. Lead screw; 8. Rotating rod; 9. Mounting assembly; 91. Bottom cover; 92. Top cover; 93. Drive motor; 94. Bending rack; 95. Internal and external gears; 96. Gear; 97. Slide groove; 98. Slide rod; 99. Limiting ring; 910. Limiting groove; 10. Cover; 11. Dual-head motor. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1 to 2 This utility model provides a technical solution: a liftable base suitable for intelligent robots, including a base 1, with slide rails 2 symmetrically fixedly installed on the top of the base 1, and sliding blocks 5 slidably sleeved on the surface of the slide rails 2. A dual-head motor 11 is fixedly installed in the middle of the base 1, and a lead screw 7 is fixedly connected to the output end of the dual-head motor 11. The lead screw 7 is threaded onto the sliding block 5, and a rotating rod 8 is rotatably sleeved on the top of the sliding block 5. A mounting component 9 is provided at one end of the rotating rod 8, and a cover 10 is fixedly connected to the end of the lead screw 7. The lead screw 7 passes through the surface of the mounting box 4, and the thread directions of the two lead screws 7 are different, which is used to drive the corresponding rotating rod 8 to move relative to each other. The dual-head motor 11 refers to a motor with output shafts at both the left and right or front and rear ends, which can drive two loads in different directions at the same time. Therefore, it can drive the lead screws 7 on both the left and right sides to rotate at the same time. The model is an ABB motor.

[0025] By starting the dual-head motor 11, the output end of the dual-head motor 11 drives the lead screw 7 to rotate, thereby causing the sliding block 5 to move relative to the slide rail 2, so that the rotating rod 8 drives the mounting component 9 to rise and fall. At the same time, the telescopic plate 6 will rotate adaptively through the connecting piece 3 and automatically retract according to the rise and fall of the mounting component 9. The lifting structure is simple and stable. By using the synchronous reverse movement of the two lead screws 7 to force the sliding block 5 to move symmetrically, the tilting problem caused by the direct drive of the lead screw is changed.

[0026] Please see Figures 3 to 7The mounting assembly 9 includes a bottom cover 91 rotatably connected to a rotating rod 8, and an upper cover 92 fixedly mounted on the top of the bottom cover 91. The inner walls of the bottom cover 91 and the upper cover 92 are respectively provided with a sliding groove 97 and a limiting groove 910. The sliding groove 97 and the limiting groove 910 are respectively slidably sleeved with a curved toothed rod 94 and an internal and external gear 95 through a sliding rod 98 and a limiting ring 99. A gear 96 is rotatably sleeved on the inner wall of the bottom cover 91. A drive motor 93 is fixedly mounted on the top of the upper cover 92, and the output end of the drive motor 93 is fixedly connected to the gear 96. The gear 96, the internal and external gears 95 and the curved toothed rod 94 are meshed with each other, and a cavity is formed between the bottom cover 91 and the upper cover 92 to fit against the curved toothed rod 94 and the internal and external gears 95 to prevent loosening. The internal and external gears 95 are provided with teeth that mesh with the gear 96 and the curved toothed rod 94 for transmission connection. In addition, multiple curved toothed rods 94 are provided, which can be increased or decreased as needed.

[0027] By starting the drive motor 93 and engaging the gear 96 with the inner and outer gears 95, and then engaging the inner and outer gears 95 with the curved rack 94, one end of the curved rack 94 is extended, allowing the curved rack 94 to clamp and secure the bottom of the robot.

[0028] Furthermore, both the drive motor 93 and the dual-head motor 11 can achieve forward and reverse rotation. The drive motor 93 and the dual-head motor 11 are connected to a controller via wires to control the start and stop of the drive motor 93 and the dual-head motor 11.

[0029] Furthermore, the port of the bent toothed rod 94 is flush with the hole between the bottom cover 91 and the top cover 92, so that the hole between the bottom cover 91 and the top cover 92 is not blocked, and then the bottom of the robot can be inserted into the hole.

[0030] Furthermore, a mounting box 4 is fixedly installed in the middle of the top of the base 1, and the mounting box 4 covers the dual-head motor 11 and the slide rail 2. The mounting box 4 is used to hide the dual-head motor 11 and improve the aesthetics.

[0031] Furthermore, the surfaces of the mounting box 4 and the bottom cover 91 are both rotatably fitted with telescopic plates 6 via connectors 3. The telescopic plates 6 can extend and retract, thus enhancing the stability of the mounting assembly 9 during lifting and lowering.

[0032] During operation or use, first insert the bottom of the robot into the holes of the bottom cover 91 and the top cover 92, ensuring the robot rests against the top cover 92 without touching the drive motor 93. Then, start the drive motor 93, causing its output to drive the gear 96 to rotate. The gear 96 then drives the inner and outer gears 95 to rotate via the sliding connection between the limiting ring 99 and the limiting groove 910. Simultaneously, this causes the curved rack 94 to rotate. Through the sliding of the slide bar 98 in the slide groove 97, the curved rack 94 bends and extends, clamping and securing the bottom of the robot. This mechanical structure makes assembly and disassembly more convenient and secure, and it is adaptable to clamping robot bottoms of different shapes.

[0033] Then, the dual-head motor 11 is started, causing the output end of the dual-head motor 11 to drive the lead screw 7 to rotate, thereby causing the sliding block 5 to move relative to the surface of the slide rail 2. This allows the mounting component 9 to be raised or lowered by rotating the rotating rod 8. The telescopic plate 6 will rotate adaptively through the connecting piece 3 and automatically retract according to the raising or lowering of the mounting component 9. The telescopic plate 6 distributes the load-bearing pressure to the overall frame of the base, reducing the continuous force on the lead screw 7, extending the life of the drive unit, and increasing its stability.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A liftable base suitable for a smart robot, comprising a base (1), characterized in that: The top of the base (1) is symmetrically fixed with a slide rail (2), and a sliding block (5) is slidably sleeved on the surface of the slide rail (2). A double-headed motor (11) is fixedly installed in the middle of the base (1). A lead screw (7) is fixedly connected to the output end of the double-headed motor (11), and the lead screw (7) is threaded onto the sliding block (5). A rotating rod (8) is rotatably sleeved on the top of the sliding block (5), and an installation component (9) is provided at one end of the rotating rod (8). The mounting assembly (9) includes a bottom cover (91) rotatably connected to a rotating rod (8), and a top cover (92) is fixedly installed on the top of the bottom cover (91). The inner walls of the bottom cover (91) and the top cover (92) are respectively provided with a sliding groove (97) and a limiting groove (910). The sliding groove (97) and the limiting groove (910) are respectively slidably sleeved with a curved toothed rod (94) and an internal and external gear (95) through a sliding rod (98) and a limiting ring (99). The inner wall of the bottom cover (91) is rotatably sleeved with a gear (96). The top of the top cover (92) is fixedly installed with a drive motor (93), and the output end of the drive motor (93) is fixedly connected to the gear (96). The gear (96), the internal and external gear (95) and the curved toothed rod (94) are meshed with each other.

2. The lift base for intelligent robots according to claim 1, wherein: The end of the lead screw (7) is fixedly connected to a cover (10).

3. A height-adjustable base suitable for intelligent robots according to claim 1, characterized in that: The port of the curved toothed rod (94) is flush with the middle hole of the bottom cover (91) and the top cover (92).

4. A height-adjustable base suitable for intelligent robots according to claim 1, characterized in that: The mounting box (4) is fixedly installed in the middle of the top of the base (1), and the mounting box (4) covers the dual-head motor (11) and the slide rail (2).

5. A height-adjustable base suitable for intelligent robots according to claim 1, characterized in that: The lead screw (7) passes through the surface of the mounting box (4).

6. A height-adjustable base suitable for intelligent robots according to claim 4, characterized in that: The surfaces of the mounting box (4) and the bottom cover (91) are both rotatably fitted with telescopic plates (6) via connectors (3).

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