Fixing device for assembling robot mechanical arm
The hydraulically driven locking and fixing structure and slot design solve the problem of low efficiency in traditional bolt fixing methods, enabling rapid installation and disassembly of the robotic arm. It is suitable for scenarios with frequent replacement or adjustment and provides stable support.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-17
AI Technical Summary
Traditional robotic arm installation methods are inefficient and inconvenient to maintain, especially in scenarios involving frequent disassembly and assembly, and the bolt fixing operation is cumbersome.
The hydraulically driven locking and fixing structure, combined with the slot and snap-fit design, enables precise positioning of the robotic arm mounting base and one-click locking or releasing through the rectangular locking shaft, while the limit sleeve and support column provide stable support.
It significantly improves assembly efficiency, enables rapid installation and disassembly of the robotic arm, is suitable for scenarios with frequent changes or adjustments, and provides stable support and radial limit.
Smart Images

Figure CN223998463U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of robot arm assembly technology, specifically a fixing device for assembling a robot arm. Background Technology
[0002] Robotic arms are widely used in industrial automation, and their assembly requires stable and efficient fixing devices to ensure accurate installation and reliable operation. Traditional robotic arm installation methods typically use bolts to fix the mounting base to a concrete foundation or bracket. While this method is simple in structure, it has significant shortcomings in practical applications.
[0003] Disadvantages of existing technology:
[0004] 1. Low installation efficiency: Bolt fixing requires tightening one by one, which is cumbersome and time-consuming, especially in scenarios with frequent disassembly and assembly, resulting in low efficiency;
[0005] 2. Inconvenient maintenance: Disassembly requires completely loosening the bolts, which increases the complexity and time cost of maintenance.
[0006] To address this, we propose a fixing device for assembling a robotic arm. Utility Model Content
[0007] (a) Technical problems to be solved
[0008] To address the shortcomings of existing technologies, this utility model provides a fixing device for assembling a robot arm, which facilitates the limiting of the robot arm mounting base, and provides advantages such as easy assembly and disassembly, effectively solving the problems in the background technology.
[0009] (II) Technical Solution
[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a fixing device for assembling a robot arm, comprising a base plate and a robot arm mounting base, wherein a slot is formed on the lower outer surface of the robot arm mounting base, and snap-fit grooves are formed in the middle of the left and right sides of the slot, a support column is fixedly installed on the upper outer surface of the base plate, and a locking and fixing structure is installed in the support column, wherein the locking and fixing structure includes a mounting cavity, a rectangular through groove, a mounting hole, a hydraulic rod, a lifting plate, a slider, a sliding groove, a connecting arm, a rectangular locking shaft and a connecting shaft, a limit sleeve is fixedly installed on the lower outer wall of the support column, and the robot arm mounting base is installed on the upper outer wall of the support column through the slot, wherein mounting grooves are formed in the middle of the upper outer surface of the lifting plate and on the outer surface of one end of the rectangular locking shaft.
[0011] Preferably, the rectangular through groove is formed on the upper part of the outer surface of one side of the support column, the mounting cavity is formed inside the upper end of the support column, the mounting hole is formed in the middle of the lower end of the outer surface of the support column, and the mounting cavity is connected to the rectangular through groove and the mounting hole, and the sliding groove is formed on the left and right sides of the mounting cavity.
[0012] Preferably, the hydraulic rod is fixedly installed in the mounting hole, the lifting plate is slidably connected in the mounting cavity, the slider is fixedly installed on both outer surfaces of the lifting plate, and the outer wall of the slider is slidably connected to the slide groove.
[0013] Preferably, the upper outer surface of the piston rod in the hydraulic rod is fixedly connected to the middle part of the lower outer surface of the lifting plate.
[0014] Preferably, there are two sets of rectangular locking shafts and two sets of connecting arms, and four sets of connecting shafts. The two sets of rectangular locking shafts are slidably installed at both ends of the rectangular through groove, and the two ends of the connecting arms extend into the mounting groove.
[0015] Preferably, the connecting shaft is rotatably connected between the connecting arm and the rectangular locking shaft and the lifting plate.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, the present invention provides a fixing device for assembling a robot arm, which has the following advantages:
[0018] 1. This is a fixing device for assembling a robot arm. Through a hydraulically driven locking and fixing structure, the robot arm mounting base can be locked or released with one click, eliminating the cumbersome operation of traditional bolt fixing and greatly improving assembly efficiency. The design of slots and snap-fit grooves, combined with rectangular locking shafts, achieves precise positioning and instant fixation, which is especially suitable for scenarios where robot arms need to be frequently replaced or adjusted.
[0019] 2. The fixing device for assembling a robot arm has a double cooperation between the limiting sleeve and the support column, which provides stable support and radial limitation for the robot arm mounting base. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of a fixing device for assembling a robot arm according to the present invention.
[0021] Figure 2 This is an exploded view of the structure of a fixing device for assembling a robot arm according to the present invention.
[0022] Figure 3 This is a schematic diagram of the bottom structure of the robotic arm mounting base in a fixing device for assembling a robotic arm according to the present invention.
[0023] Figure 4 This is a side cross-sectional view of the limiting sleeve, support column and locking structure in a fixing device for assembling a robot arm according to the present invention.
[0024] In the diagram: 1. Base plate; 2. Limiting sleeve; 3. Robotic arm mounting base; 4. Support column; 5. Locking and fixing structure; 6. Slot; 7. Snap-fit groove; 8. Mounting cavity; 9. Rectangular through groove; 10. Mounting hole; 11. Hydraulic rod; 12. Lifting plate; 13. Slider; 14. Slide groove; 15. Connecting arm; 16. Rectangular locking shaft; 17. Mounting groove; 18. Connecting shaft. Detailed Implementation
[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0026] This embodiment is a fixing device for assembling a robot arm.
[0027] like Figure 1-4 As shown, the system includes a base plate 1 and a robotic arm mounting base 3. The lower outer surface of the robotic arm mounting base 3 has a slot 6, and the middle of the left and right sides of the slot 6 has a snap-fit groove 7. The upper outer surface of the base plate 1 is fixedly mounted with a support column 4. The support column 4 is equipped with a locking and fixing structure 5. The locking and fixing structure 5 includes a mounting cavity 8, a rectangular through groove 9, a mounting hole 10, a hydraulic rod 11, a lifting plate 12, a slider 13, a sliding groove 14, a connecting arm 15, a rectangular locking shaft 16, and a connecting shaft 18. The lower outer wall of the support column 4 is fixedly mounted with a limit sleeve 2. The robotic arm mounting base 3 is mounted on the upper outer wall of the support column 4 through the slot 6. The middle of the upper outer surface of the lifting plate 12 and the outer surface of one end of the rectangular locking shaft 16 are both provided with mounting grooves 17.
[0028] A rectangular through groove 9 is formed on the upper part of the outer surface of one side of the support column 4. A mounting cavity 8 is formed inside the upper end of the support column 4. A mounting hole 10 is formed in the middle of the lower end of the outer surface of the support column 4. The mounting cavity 8 is connected to the rectangular through groove 9 and the mounting hole 10. A sliding groove 14 is formed on the left and right sides of the mounting cavity 8. A hydraulic rod 11 is fixedly installed in the mounting hole 10. A lifting plate 12 is slidably connected in the mounting cavity 8. A slider 13 is fixedly installed on the outer surfaces of both sides of the lifting plate 12. The outer wall of the slider 13 is slidably connected to the sliding groove 14. The upper outer surface of the piston rod in the hydraulic rod 11 is fixedly connected to the middle of the lower outer surface of the lifting plate 12. There are two sets of rectangular locking shafts 16 and two sets of connecting arms 15. There are four sets of connecting shafts 18. The two sets of rectangular locking shafts 16 are slidably installed at both ends of the rectangular through groove 9. The two ends of the connecting arms 15 extend into the mounting groove 17. The connecting shafts 18 are rotatably connected between the connecting arms 15, the rectangular locking shafts 16, and the lifting plate 12.
[0029] It should be noted that this utility model is a fixing device for assembling a robot arm. The robot arm mounting base 3 described in this article belongs to the prior art. The installation at the bottom of the robot arm is readily known to those skilled in the art, and will not be described in detail here. The robot arm mounting base 3 is fitted onto the outer wall of the support column 4. The limiting sleeve 2 limits and provides auxiliary support for the robot arm mounting base 3. The operation of the hydraulic rod 11 drives the lifting plate 12 to rise. The lifting plate 12 drives the slider 13 to slide along the slide groove 14. After the lifting plate 12 is raised, the connecting arm 15 drives the rectangular locking shaft 16 to move along the rectangular through groove 9, causing one end of the rectangular locking shaft 16 to be inserted into the snap-fit groove 7, thereby locking and fixing the robot arm mounting base 3 and facilitating disassembly.
[0030] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only 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, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A fixing device for assembling a robot arm, comprising a base plate (1) and an arm mounting seat (3), characterized in that: The lower end outer surface of the mechanical arm mounting seat (3) is provided with a slot (6), the middle part of the left and right sides of the slot (6) is provided with a clamping groove (7), the upper end outer surface of the base plate (1) is fixedly provided with a supporting column (4), the supporting column (4) is provided with a locking and fixing structure (5), the locking and fixing structure (5) comprises an installation cavity (8), a rectangular through slot (9), an installation hole (10), a hydraulic rod (11), a lifting plate (12), a sliding block (13), a sliding groove (14), a connecting arm (15), a rectangular locking shaft (16) and a connecting shaft (18), the outer wall of the lower part of the supporting column (4) is fixedly provided with a limiting sleeve (2), the mechanical arm mounting seat (3) is installed on the outer wall of the upper part of the supporting column (4) through the slot (6), and the middle part of the outer surface of the upper end of the lifting plate (12) and the outer surface of one end of the rectangular locking shaft (16) are provided with an installation groove (17).
2. The fixing device for assembling robot manipulator according to claim 1, characterized in that: The rectangular through slot (9) is arranged on the upper part of the outer surface of one side of the supporting column (4), the installation cavity (8) is arranged in the inner part of the upper end of the supporting column (4), the installation hole (10) is arranged in the middle part of the outer surface of the lower end of the supporting column (4), and the installation cavity (8) is in communication with the rectangular through slot (9) and the installation hole (10), and the sliding groove (14) is arranged on the left and right sides of the installation cavity (8).
3. The fixing device for assembling robot manipulator according to claim 2, characterized in that: The hydraulic rod (11) is fixedly installed in the installation hole (10), the lifting plate (12) is slidingly connected in the installation cavity (8), the sliding block (13) is fixedly installed on the outer surfaces of the two sides of the lifting plate (12), and the outer wall of the sliding block (13) is slidingly connected with the sliding groove (14).
4. The fixing device for assembling robot manipulator according to claim 3, characterized in that: The upper end outer surface of the piston rod in the hydraulic rod (11) is fixedly connected with the middle part of the lower end outer surface of the lifting plate (12).
5. The robot arm assembly fixture of claim 4, wherein: The number of the rectangular locking shaft (16) and the connecting arm (15) is two groups, the number of the connecting shaft (18) is four groups, the two ends of the connecting arm (15) extend into the installation groove (17), and the two ends of the connecting arm (15) extend into the installation groove (17).
6. The robot arm assembly fixture of claim 5, wherein: The connecting shaft (18) is rotatably connected between the connecting arm (15), the rectangular locking shaft (16) and the lifting plate (12).