Protective device for mechanical arm

By combining design, installation, and protective mechanisms, the problems of insufficient protection for robotic arms and low disassembly and assembly efficiency are solved, achieving efficient disassembly and reduced damage protection.

CN223545258UActive Publication Date: 2025-11-14BEIJING HANGZI DIGITAL INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423084247.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-14
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing robotic arms lack effective protective functions during use, making them susceptible to damage from external collisions, and the existing protective components have low disassembly and maintenance efficiency.

Method used

A protective device comprising an installation mechanism and a protective mechanism was designed. The installation mechanism achieves stable installation and convenient disassembly of the protective components through a combination of movable blocks, threaded rods, and locking blocks. The protective mechanism absorbs impact forces through springs and protective plates to reduce damage to the robotic arm.

Benefits of technology

This approach achieves improved disassembly efficiency of protective components while providing protection, effectively reducing damage to the robotic arm and ensuring stable operation of the robotic arm.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical arms, and discloses a protective device for a mechanical arm, which comprises a mechanical arm body, a mounting mechanism is arranged on the outer side of the mechanical arm body, a protective mechanism is arranged on one side of the mounting mechanism, the mounting mechanism comprises a fixed seat, the fixed seat is fixedly connected to the outer side of the mechanical arm body, and the protective mechanism is arranged on the outer side of the mechanical arm body. A movable block is movably connected to the interior of the fixed seat, a supporting frame is fixedly connected to the top of the fixed seat, a supporting frame is fixedly connected to one side of the movable block, a long plate is arranged on the outer side of the supporting frame, a threaded rod is rotatably connected to the top of the long plate, and a clamping block is fixedly connected to the bottom of the long plate. According to the protective device for the mechanical arm, through the arranged mounting mechanism, the movable block can be pulled out from the interior of the fixed seat, so that the protective mechanism can be disassembled, and when the protective assembly needs to be disassembled, assembled and overhauled, the good disassembling efficiency can be achieved while protection is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of robotic arm technology, specifically a protective device for robotic arms. Background Technology

[0002] A robotic arm is a machine device that can simulate the movements of a human arm. It performs operations such as grasping, carrying, and assembling objects by controlling the movement of multiple joints. Its basic structure includes the robotic arm body, joints, and end effector. The robotic arm body is composed of multiple connected links, similar to the human skeletal structure; the joints are the nodes that connect the links, allowing the robotic arm to move freely in all directions; the end effector is equivalent to the "hand" of the robotic arm, used to complete specific tasks.

[0003] With the development of technology, robotic arms are gradually being applied to many fields. However, common robotic arms lack protective functions during use. When subjected to external collisions, they are likely to be damaged, posing certain safety hazards. But if protective functions are simply added, the disassembly efficiency cannot be achieved when the protective components need to be disassembled and repaired. Summary of the Invention

[0004] The purpose of this invention is to provide a protective device for robotic arms to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a protective device for a robotic arm, comprising a robotic arm body, an installation mechanism provided on the outer side of the robotic arm body, and a protective mechanism provided on one side of the installation mechanism;

[0006] The installation mechanism includes a fixed base, which is fixedly connected to the outside of the robotic arm body. A movable block is movably connected inside the fixed base. A support frame is fixedly connected to the top of the fixed base. A support bracket is fixedly connected to one side of the movable block. A long plate is provided on the outside of the support frame. A threaded rod is rotatably connected to the top of the long plate. A locking block is fixedly connected to the bottom of the long plate.

[0007] Preferably, the long plate has a sliding opening inside, and the long plate is slidably connected to the outside of the support frame through the sliding opening, so that the long plate can be stably slidably limited.

[0008] Preferably, the threaded rod passes through the top of the support frame and rotates, and a torsion sleeve is fixedly connected to the top of the threaded rod to facilitate the rotation of the threaded rod through the torsion sleeve.

[0009] Preferably, the top of the fixed base has a movable opening, through which the card block moves, allowing the card block to move through the movable opening.

[0010] Preferably, the movable block has a slot at its top, and the slot is movably connected to an inner wall with the slot, so that the slot can limit the movable block through the engagement of the slot.

[0011] Preferably, the protective mechanism includes a long box, a support frame is fixedly connected to one side of the long box, a spring is fixedly connected to the inner wall of the long box, a movable plate is fixedly connected to one end of the support frame, a long block is fixedly connected to the side of the movable plate away from the spring, and a protective plate is fixedly connected to the side of the long block away from the movable plate, which can provide stable protection for the robotic arm body.

[0012] Preferably, a rectangular opening is provided on the side of the long box away from the robotic arm body, and the long block passes through the rectangular opening and moves, so that the long block can move through the opening.

[0013] Compared with the prior art, this utility model provides a protective device for robotic arms, which has the following beneficial effects:

[0014] This protective device for robotic arms allows the movable block to be pulled out from inside the fixed base via a set installation mechanism, thus enabling the disassembly of the protective mechanism. While providing protection, it also achieves good disassembly efficiency when the protective components need to be disassembled and repaired.

[0015] This protective device for robotic arms, through its designed protective mechanism, can offset the impact force generated, reduce the damage to the robotic arm body, protect the robotic arm body, and ensure that the robotic arm body can work stably. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a front view of the structure of this utility model;

[0018] Figure 2 This is a front sectional view of the structure of this utility model;

[0019] Figure 3 Place a sectional view at the long box section;

[0020] Figure 4 This is a schematic diagram of the structure at the card block.

[0021] In the diagram: 1. Robotic arm body; 2. Mounting mechanism; 21. Fixed base; 22. Movable block; 23. Support frame; 24. Support frame; 25. Threaded rod; 26. Long plate; 27. Clamping block; 3. Protective mechanism; 31. Long box; 32. Spring; 33. Moving plate; 34. Long block; 35. Protective plate. Detailed Implementation

[0022] 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.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] This utility model provides the following technical solution: Example

[0025] Combination Figures 1 to 4 A protective device for a robotic arm includes a robotic arm body 1, an installation mechanism 2 is provided on the outside of the robotic arm body 1, and a protective mechanism 3 is provided on one side of the installation mechanism 2.

[0026] The mounting mechanism 2 includes a fixed base 21, which is fixedly connected to the outside of the robotic arm body 1. A movable block 22 is movably connected inside the fixed base 21. A support frame 24 is fixedly connected to the top of the fixed base 21. A support frame 23 is fixedly connected to one side of the movable block 22. A long plate 26 is provided on the outside of the support frame 24. A threaded rod 25 is rotatably connected to the top of the long plate 26. A locking block 27 is fixedly connected to the bottom of the long plate 26.

[0027] Furthermore, the long plate 26 has a sliding opening inside, through which the long plate 26 is slidably connected to the outside of the support frame 24, so that the long plate 26 can be stably slidably limited.

[0028] Furthermore, the threaded rod 25 passes through the top of the support frame 24 and rotates. A torsion sleeve is fixedly connected to the top of the threaded rod 25, which facilitates the rotation of the threaded rod 25 through the torsion sleeve.

[0029] Furthermore, the top of the fixed base 21 has a movable opening, through which the locking block 27 passes and moves, allowing the locking block 27 to move through the movable opening.

[0030] Furthermore, the top of the movable block 22 is provided with a latch, and the latch block 27 is movably connected to the inner wall with the latch, so that the latch block 27 can limit the movable block 22 through the cooperation of the latch. Example

[0031] See Figures 1 to 4 Furthermore, based on Embodiment 1, the protective mechanism 3 includes a long box 31, one side of which is fixedly connected to a support frame 23, and a spring 32 is fixedly connected to the inner wall of the long box 31. A movable plate 33 is fixedly connected to one end of the support frame 23, and a long block 34 is fixedly connected to the side of the movable plate 33 away from the spring 32. A protective plate 35 is fixedly connected to the side of the long block 34 away from the movable plate 33, which can provide stable protection for the robotic arm body 1.

[0032] Furthermore, a rectangular opening is provided on the side of the long box 31 away from the robotic arm body 1, and the long block 34 passes through the rectangular opening and moves, so that the long block 34 can move through the opening.

[0033] In actual operation, when this device is used, when the robotic arm body 1 receives an external impact, it will first push the protective plate 35 to move, so that the protective plate 35 can push the moving plate 33 to move through the long block 34 to compress the spring 32. The impact force generated can be converted into the elastic potential energy of the spring 32. The spring 32 can push the moving plate 33 to slide on the inner wall of the long box 31 to achieve the purpose of frictional damping. In this way, the impact force generated can be offset, reducing the damage to the robotic arm body 1 and protecting the robotic arm body 1, so as to ensure that the robotic arm body 1 can work stably.

[0034] The twisting sleeve drives the threaded rod 25 to rotate. Since the threaded rod 25 and the support frame 24 are threadedly connected, and the long plate 26 can slide and limit on the outside of the support frame 24, the threaded rod 25 will drive the long plate 26 to rise. The long plate 26 can drive the locking block 27 to disengage from the inside of the movable block 22, thus removing the limit on the movable block 22. At this time, the movable block 22 can be pulled out from the inside of the fixed seat 21, thereby realizing the disassembly of the protective mechanism 3. While achieving protection, it can also achieve good disassembly efficiency when the protective components need to be disassembled and repaired.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" 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.

Claims

1. A protective device for a robotic arm, comprising a robotic arm body (1), characterized in that: The robotic arm body (1) is provided with an installation mechanism (2) on the outside, and a protective mechanism (3) is provided on one side of the installation mechanism (2). The installation mechanism (2) includes a fixed seat (21), which is fixedly connected to the outside of the robotic arm body (1). A movable block (22) is movably connected inside the fixed seat (21). A support frame (24) is fixedly connected to the top of the fixed seat (21). A support frame (23) is fixedly connected to one side of the movable block (22). A long plate (26) is provided on the outside of the support frame (24). A threaded rod (25) is rotatably connected to the top of the long plate (26). A locking block (27) is fixedly connected to the bottom of the long plate (26).

2. The protective device for a robotic arm according to claim 1, characterized in that: The long plate (26) has a sliding opening inside, and the long plate (26) is slidably connected to the outside of the support frame (24) through the sliding opening.

3. A protective device for a robotic arm according to claim 1, characterized in that: The threaded rod (25) passes through the top of the support frame (24) and rotates, and a torsion sleeve is fixedly connected to the top of the threaded rod (25).

4. A protective device for a robotic arm according to claim 1, characterized in that: The top of the fixed base (21) has a movable opening, and the locking block (27) passes through the movable opening and moves.

5. A protective device for a robotic arm according to claim 1, characterized in that: The movable block (22) has a slot at the top, and the card block (27) is movably connected to the inner wall with the slot.

6. A protective device for a robotic arm according to claim 1, characterized in that: The protective mechanism (3) includes a long box (31), which is fixedly connected to one side of a support frame (23). A spring (32) is fixedly connected to the inner wall of the long box (31). A movable plate (33) is fixedly connected to one end of the support frame (23). A long block (34) is fixedly connected to the side of the movable plate (33) away from the spring (32). A protective plate (35) is fixedly connected to the side of the long block (34) away from the movable plate (33).

7. A protective device for a robotic arm according to claim 6, characterized in that: The long box (31) has a rectangular opening on the side away from the robotic arm body (1), and the long block (34) passes through the rectangular opening and moves.