Stable robot mechanical support arm
By designing a multifunctional robotic arm structure and motor drive system, the problems of single function and insufficient driving force of traditional support arms were solved, and stable support and flexible adjustment of the robot in different states were achieved.
Patent Information
- Application Number
- CN202422933986.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The mechanical support arm of a traditional stable robot has a single function and cannot be adjusted according to the robot's status. In addition, the driving force is not adjusted enough, which reduces the support effect and adaptability.
A multifunctional robotic arm structure is designed, which adopts a curved arm with a rotating shaft support, combined with a motor, reducer and gear drive, and the driving force is adjusted through a PLC controller to achieve flexible support and adaptive adjustment of the support arm.
It realizes comprehensive support for the robot in different states, improves the use effect of the support arm and the adaptability of the device, and enhances the function of the support arm and the driving force adjustment ability.
Smart Images

Figure CN223357254U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of support arms, in particular to a mechanical support arm for a stable robot. Background Art
[0002] The main function of the mechanical support arm in lifting machinery is to support, fix and balance the load, prevent the load from shaking, balance the weight of the load and maintain the stability of the lifting machinery. In addition, the support arm also bears the reaction force and torque generated by the various components of the lifting machinery. Its force condition is very important. The mechanical support arm is a very important component in lifting machinery. Although it is not the main force-bearing structure, its support, fixation and balancing functions provide protection for lifting operations. The force-bearing structure of the lifting machinery also includes components such as the boom, balance arm, outrigger and turntable. The boom bears the weight and torque of the load, the balance arm supports the boom and balances the weight, the outrigger supports the entire lifting machinery, and the turntable bears the rotational inertia and stabilizes the robot. The main function of the mechanical support arm is to support and fix other components of the robot to ensure the stability and accuracy of the robot during work. The mechanical support arm ensures that the robot has sufficient flexibility and stability during work through precise mechanical design and manufacturing. It connects various parts of the robot through a combination of connecting rods and joints to form a stable support structure.
[0003] However, the traditional stable robot mechanical support arm cannot meet people's needs, and it has the following defects: First, the mechanical support arm is not designed with a multifunctional mechanical arm structure, and the mechanical support arm required for use cannot effectively support the robot, and the support arm cannot be adjusted according to the state of the robot. It can only support the robot in a certain state, and the function is relatively single, which reduces the use effect of the support arm and is not enough to meet the support of the robot in the unused state; second, a new drive structure is not designed, and effective power support cannot be provided for the adjustment of the mechanical support arm, and the size of the driving force cannot be adjusted according to the unused situation, which reduces the support effect of the mechanical support arm and the adaptability of the device, and cannot meet customer needs. Utility Model Content
[0004] The purpose of the present invention is to provide a stable robot mechanical support arm to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a stable robot mechanical support arm, including a robot shell, a driving motor is fixedly connected to the outer wall of one side of the robot shell, the output end of the driving motor is fixedly connected to the reducer, the output end of the reducer is fixedly connected to the driving gear, the driving gear is fixedly connected to the outer wall of one side of the driving gear, a rotating shaft is sleeved on the outer wall of one side of the driven gear, a crank arm is sleeved on the outer wall of one side of the rotating shaft, and the crank arm is arranged at one end of the driven gear, the top end of the crank arm is sleeved with a central shaft, a roller is sleeved on the outer wall of one side of the central shaft, a support base is fixedly connected to the outer wall of one side of the central shaft, and the support base is arranged on the upper surface of the crank arm.
[0006] As a further technical solution of the present invention, an electromagnet rod is sleeved on the outer wall of one side of the crank arm, and the electromagnet rod is arranged on the outer wall of one side of the rotating shaft, an electromagnet spring is sleeved on the outer wall of one side of the electromagnet rod, one end of the electromagnet rod is fixedly connected to a coil, and a positioning block is sleeved on the outer wall of one side of the electromagnet rod.
[0007] As a further technical solution of the present invention, a PLC controller is fixedly connected to the outer wall of one side of the robot housing, a terminal block and a wire trough are fixedly connected to the outer wall of one side of the PLC controller, a driver and a servo motor are fixedly connected to the outer wall of one side of the terminal block, and the driver and the servo motor are electrically connected to the PLC controller.
[0008] As a further technical solution of the present invention, a bracket is provided on the upper surface of the support seat, and the bracket is provided on the upper surface of the curved arm, and a warp beam is provided on the upper surface of the bracket.
[0009] As a further technical solution of the present invention, a moving wheel is fixedly connected to the lower surface of the robot housing, an emergency stop switch is fixedly connected to the outer wall of one side of the robot housing, and the emergency stop switch is electrically connected to the PLC controller.
[0010] As a further technical solution of the present invention, sealing covers are fixedly connected to both ends of the central shaft.
[0011] As a further technical solution of the present invention, both ends of the rotating shaft are fixedly connected with a protective shell.
[0012] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention uses a novel design of a multifunctional robotic arm, which adopts a curved arm in conjunction with a rotating shaft to support the support arm. During the movement of the robot, the curved arm can be moved to the bottom of the bracket to support the warp shaft, avoiding the shaking of the bracket during movement and affecting the warp shaft. When stationary, the curved arm can be moved to the ground to support the entire equipment and provide support for subsequent unloading. It can effectively support the robot when it is not in use, has relatively comprehensive functions, and improves the use effect of the support arm. At the same time, a new drive structure is designed, which adopts a motor with a reducer and gears to complete the support arm movement force drive, and the driving force can be adjusted according to different situations to improve the support effect of the mechanical support arm and the adaptability of the device, and fully complete the effective drive of the support arm. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a front view structural diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the three-dimensional cross-section structure of the utility model;
[0017] Figure 4 for Figure 3 A magnified view of the structure in area A.
[0018] In the figure: 1. Warp beam; 2. Bracket; 3. Emergency stop switch; 4. Crank arm; 5. Robot housing; 6. Drum; 7. Middle shaft; 8. Support seat; 9. Driven gear; 10. Driving gear; 11. Reducer; 12. Drive motor; 13. Moving wheel; 14. Wire trough; 15. Sealing cover; 16. PLC controller; 17. Terminal block; 18. Driver; 19. Servo motor; 20. Positioning block; 21. Electromagnet spring; 22. Rotating shaft; 23. Coil; 24. Electromagnet rod; 25. Protective shell. DETAILED DESCRIPTION
[0019] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] Please see the attached Figure 1 -Attached Figure 4The utility model provides an embodiment of a stable robot mechanical support arm, including a robot housing 5, a driving motor 12 is fixedly connected to the outer wall of one side of the robot housing 5, the output end of the driving motor 12 is fixedly connected to the reducer 11, the output end of the reducer 11 is fixedly connected to the driving gear 10, the driving gear 10 is fixedly connected to the outer wall of one side of the driven gear 9, a rotating shaft 22 is sleeved on the outer wall of one side of the driven gear 9, a crank arm 4 is sleeved on the outer wall of one side of the rotating shaft 22, and the crank arm 4 is arranged on one end of the driven gear 9, the top of the crank arm 4 is sleeved with the central shaft 7, the outer wall of one side of the central shaft 7 is sleeved with a roller 6, and the outer wall of one side of the central shaft 7 is fixedly connected The support seat 8 is provided on the upper surface of the crank arm 4; an electromagnetic rod 24 is sleeved on the outer wall of one side of the crank arm 4, and the electromagnetic rod 24 is provided on the outer wall of one side of the rotating shaft 22, an electromagnetic spring 21 is sleeved on the outer wall of one side of the electromagnetic rod 24, one end of the electromagnetic rod 24 is fixedly connected to the coil 23, and a positioning block 20 is sleeved on the outer wall of one side of the electromagnetic rod 24. The electromagnetic rod 24 is used to complete the horizontal fixation of the crank arm 4, and the electromagnetic spring 21 is used to cooperate with the coil 23 to provide a certain degree of deformation protection so that the crank arm 4 will not cause damage to the electromagnetic rod 24 and the like during movement; a PLC control is fixedly connected to the outer wall of one side of the robot housing 5 Controller 16, a terminal block 17 and a wire trough 14 are fixedly connected to the outer wall of one side of the PLC controller 16, a driver 18 and a servo motor 19 are fixedly connected to the outer wall of one side of the terminal block 17, and the driver 18 and the servo motor 19 are electrically connected to the PLC controller 16, the terminal block 17 is used for circuit connection, which is convenient for connecting and disconnecting the wires and can ensure the passage of current without welding. The wire trough 14 is used to neatly store wires, cables and other lines to avoid clutter, enhance the beauty and professionalism of the overall environment, effectively protect the wires from external physical damage, and improve the safety of electricity use; the upper surface of the support seat 8 is provided with a bracket 2, and the bracket 2 is provided with a bracket 2. Placed on the upper surface of the crank arm 4, the upper surface of the bracket 2 is provided with a warp beam 1, and the bracket 2 is used to support the warp beam 1; the lower surface of the robot housing 5 is fixedly connected to the moving wheel 13, and the emergency stop switch 3 is fixedly connected to the outer wall of one side of the robot housing 5, and the emergency stop switch 3 is electrically connected to the PLC controller 16. The emergency stop switch 3 is used to put the equipment into an emergency braking state when an abnormality occurs in the equipment; both ends of the central axis 7 are fixedly connected to a sealing cover 15, the sealing cover 15 limits the position of the crank arm 4 and provides protection for the central axis 7; both ends of the rotating shaft 22 are fixedly connected to a protective shell 25, the protective shell 25 limits the position of the crank arm 4 and provides protection for the rotating shaft 22.
[0021] Working principle: When using this new type of device, the device is assembled first. First, the crank arm 4 is installed on both sides of the rotating shaft 22, and the position is limited by the protective shell 25, and the rotating shaft 22 is protected. The crank arm 4 is fixed in the horizontal direction by the electromagnetic rod 24, so that it is installed on the rotating shaft 22 and will not move. The electromagnetic spring 21 and the coil 23 provide a certain degree of deformation protection, so that the crank arm 4 will not cause damage to the electromagnetic rod 24 and the like during movement. The electromagnetic rod 24 is installed through the positioning block 20 and connected to the robot housing 5. The upper end of the crank arm 4 is limited and fixed by the roller 6 and the central axis 7, and the support of the bracket 2 is completed by the support seat 8 on the central axis 7. The central axis 7 is fixed by the sealing cover 15. When moving, the PLC controller 16 controls the drive motor 12 to start working, and the speed of the motor is controlled by the reducer 11, and the driving gear 10 is driven to start rotating. The driving gear 10 drives the driven gear 9 to rotate, and the driven gear 9 drives the crank arm 4 through the rotating shaft 22. During operation, the curved arm 4 moves upward to the bottom of the bracket 2, so that the support seat 8 is connected to the bracket 2, providing a certain supporting force for the warp beam 1 on the bracket 2, and preventing the bracket 2 from shaking during movement and affecting the warp beam 1. When stationary, the curved arm 4 moves to the ground to complete the support of the entire equipment and provide support for subsequent unloading. It can effectively complete the support of the robot in the unused state. The function is relatively comprehensive, which improves the use effect of the support arm. During the movement, the PLC controller 16 controls the servo motor 19 through the driver 18 to drive the moving wheel 13 to rotate, providing driving force for the movement of the moving wheel 13. When a fault occurs in the setting, the equipment can enter the emergency braking state by pressing the emergency stop switch 3; the terminal block 17 is used for circuit connection, which is convenient for connecting and disconnecting the wires. The current can be ensured without welding. The wire trough 14 is used to neatly store wires, cables and other lines to avoid clutter, enhance the beauty and professionalism of the overall environment, effectively protect the wires from external physical damage, and improve the safety of electricity use.
[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0023] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.
[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A stable robot mechanical support arm, including a robot housing (5), characterized in that: A driving motor (12) is fixedly connected to an outer wall of one side of the robot housing (5); an output end of the driving motor (12) is fixedly connected to a reducer (11); an output end of the reducer (11) is fixedly connected to a driving gear (10); a driven gear (9) is fixedly connected to an outer wall of one side of the driving gear (10); a rotating shaft (22) is sleeved on an outer wall of one side of the driven gear (9); a crank arm (4) is sleeved on an outer wall of one side of the rotating shaft (22); and the crank arm (4) is arranged at one end of the driven gear (9); a central shaft (7) is sleeved on the top end of the crank arm (4); a roller (6) is sleeved on an outer wall of one side of the central shaft (7); a support seat (8) is fixedly connected to an outer wall of one side of the central shaft (7); and the support seat (8) is arranged on the upper surface of the crank arm (4).
2. The stable robot mechanical support arm according to claim 1, characterized in that: An electromagnet rod (24) is sleeved on one side outer wall of the crank arm (4), and the electromagnet rod (24) is arranged on one side outer wall of the rotating shaft (22). An electromagnet spring (21) is sleeved on one side outer wall of the electromagnet rod (24), one end of the electromagnet rod (24) is fixedly connected to a coil (23), and a positioning block (20) is sleeved on one side outer wall of the electromagnet rod (24).
3. The stable robot mechanical support arm according to claim 1, characterized in that: A PLC controller (16) is fixedly connected to one side outer wall of the robot housing (5), a terminal block (17) and a wire trough (14) are fixedly connected to one side outer wall of the PLC controller (16), a driver (18) and a servo motor (19) are fixedly connected to one side outer wall of the terminal block (17), and the driver (18) and the servo motor (19) are electrically connected to the PLC controller (16).
4. The stable robot mechanical support arm according to claim 1, characterized in that: A bracket (2) is provided on the upper surface of the support seat (8), and the bracket (2) is provided on the upper surface of the curved arm (4), and a warp beam (1) is provided on the upper surface of the bracket (2).
5. The stable robot mechanical support arm according to claim 3, characterized in that: A moving wheel (13) is fixedly connected to the lower surface of the robot housing (5), an emergency stop switch (3) is fixedly connected to an outer wall of one side of the robot housing (5), and the emergency stop switch (3) is electrically connected to a PLC controller (16).
6. The stable robot mechanical support arm according to claim 1, characterized in that: Both ends of the central shaft (7) are fixedly connected with sealing covers (15).
7. The stable robot mechanical support arm according to claim 1, characterized in that: Both ends of the rotating shaft (22) are fixedly connected with a protective shell (25).