Maintenance mechanical part grabbing device and method
By introducing lifting mechanism, servo motor and servo motor into the maintenance mechanical parts grabbing device, the problem of difficulty in adjusting the parts position of existing devices is solved, stable clamping and flexible operation of mechanical parts are achieved, and maintenance efficiency and safety are improved.
Patent Information
- Application Number
- CN202510017378.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-04-22
AI Technical Summary
The existing maintenance mechanical parts grabbing device is difficult to easily adjust the height, horizontal position and angle of the parts, resulting in the inability to adjust the jaws to the appropriate position, affecting the efficiency and safety of grabbing and placing the parts.
A grasping device including a lifting mechanism, a servo motor and a servo motor is designed. The height of the clamping mechanism is adjusted by the lifting mechanism, and the horizontal position and angle of the clamping mechanism are adjusted by the servo motor and the servo motor, thereby achieving flexible grasping and placement of components.
It realizes stable clamping of mechanical parts, improves safety during work, and facilitates the adjustment of the height, horizontal position and angle of the parts, and improves maintenance efficiency.
Smart Images
Figure CN119858150A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of mechanical parts maintenance, and in particular to a grasping device and method for maintaining mechanical parts. Background Art
[0002] Hydropower stations use the drop in water flow to form water head, collect and regulate the flow of natural water, and transmit it to turbines. Through the joint operation of turbines and generator sets, the concentrated water energy is converted into electrical energy, and then input into the power grid through transformers, switch stations and transmission lines.
[0003] After construction, it is necessary to regularly inspect and maintain the internal structural objects, including pipes, square supports and I-shaped steels. During the inspection and maintenance process, these structural objects need to be grasped. There are still some problems with the existing grasping devices and methods for maintaining mechanical parts: it is inconvenient to adjust the height of the grasped parts, and it is also inconvenient to adjust the grasping horizontal position and angle at the same time when grasping the parts, so it is not convenient to adjust the clamping claws to the appropriate position when grasping, and it is also not convenient to adjust the clamping claws to the appropriate position when placing the grasped parts. For this reason, a grasping device and method for maintaining mechanical parts are designed. Summary of the invention
[0004] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a grasping device and method for maintaining mechanical parts. Through the provided clamping claw mechanism, the parts can be easily and stably clamped, thereby increasing safety during work.
[0005] The above technical objectives of the present invention are achieved through the following technical solutions: A grasping device for maintaining mechanical parts includes a fixed base, a lifting platform is arranged above the fixed base, a lifting mechanism is arranged between the lower surface of the lifting platform and the upper surface of the fixed base, a column is welded at the middle position of the upper surface of the lifting platform, a first servo electric cylinder is fixedly installed on the top outer surface of the column, an output end of the first servo electric cylinder is fixedly connected to a moving seat, a rotating groove is opened on the outer side of the moving seat, a rotating shaft is rotatably arranged inside the rotating groove, a first servo motor is fixedly installed on the outer surface of the moving seat, the output end of the first servo motor is transmission-connected to one end of the rotating shaft, a rotating block is fixedly sleeved on the circumference of the rotating shaft, a positioning seat is welded on the outer surface of the rotating block, a second servo electric cylinder is fixedly installed on the outer surface of the positioning seat, and a clamping mechanism is arranged between the output end of the second servo electric cylinder and the outer surface of the positioning seat.
[0006] By adopting the above technical solution, the lifting platform can be driven to adjust its height through the setting of the lifting mechanism, thereby driving the clamping mechanism to adjust its height, so as to facilitate the grasping of parts to different heights; the moving seat is driven to move by the setting of the first servo electric cylinder, and the moving seat drives the clamping mechanism to move, so as to facilitate the adjustment of the horizontal position of the clamping mechanism, and at the same time, the first servo motor is used to drive the rotating block to rotate, so as to adjust the angle of the clamping mechanism, so as to facilitate the adjustment of the clamping mechanism to a suitable position.
[0007] Preferably, the lifting mechanism includes a lifting support assembly and a lifting drive assembly. The lifting support assembly is provided in two groups, and the two groups of lifting support assemblies are symmetrically arranged on both sides of the lifting platform.
[0008] By adopting the above technical solution, the lifting work of the lifting platform can be completed through the lifting support component and the lifting drive component. Preferably, the lifting support assembly includes two groups of first positioning blocks, a first guide rod, two groups of first sliders, a first connecting rod, two groups of second positioning blocks, a second guide rod, two groups of second sliders and a second connecting rod, the two groups of first positioning blocks are symmetrically welded on both sides of the fixed base, the first guide rod is welded between the two groups of first positioning blocks, the two groups of first sliders are slidably arranged on the first guide rod, the two groups of second positioning blocks are symmetrically welded on the lower surface of the lifting platform, the second guide rod is welded between the two groups of second positioning blocks, the two groups of second sliders are slidably arranged on the second guide rod, one end of the first connecting rod and the second connecting rod are respectively rotatably connected to the two groups of first sliders, the other ends of the first connecting rod and the second connecting rod are respectively rotatably connected to the two groups of second sliders, and the middle position of the first connecting rod and the second connecting rod is hinged.
[0009] By adopting the above technical solution, the first slider slides on the first guide rod, driving one end of the first connecting rod and the second connecting rod to move, so that the other end of the first connecting rod and the second connecting rod drives the second slider to move on the second guide rod, thereby completing the lifting work.
[0010] Preferably, the lifting drive assembly includes two groups of third positioning blocks, a second servo motor, a screw and a drive block, the two groups of third positioning blocks are symmetrically welded on both sides of the fixed base, the screw is rotatably arranged between the two groups of third positioning blocks, the second servo motor is installed on the outer surface of one group of third positioning blocks, the output end of the second servo motor is transmission connected to one end of the screw, the drive block is threadedly sleeved on the circumference of the screw, and both ends of the drive block are welded to the first slider at one end.
[0011] By adopting the above technical solution, the second servo motor drives the lead screw to rotate, the lead screw drives the driving block to move, and the driving block drives the first sliding block to move on the first guide rod, thereby completing the lifting work.
[0012] Preferably, two groups of first servo electric cylinders are provided, and the two groups of first servo electric cylinders are symmetrically installed on both sides of the column.
[0013] By adopting the above technical solution, the stability and balance of the mobile seat can be conveniently increased.
[0014] Preferably, the clamping mechanism includes four groups of clamping assemblies, and the four groups of clamping assemblies are respectively arranged around the second servo electric cylinder.
[0015] By adopting the above technical solution, the stability of grasping can be conveniently increased.
[0016] Preferably, the clamping jaw assembly includes a first articulated seat, a second articulated seat, an articulated rod and a clamping jaw member, the first articulated seat is welded to the outer surface of the positioning seat, the second articulated seat is welded to the output end of the second servo electric cylinder, one end of the articulated rod is articulated to the first articulated seat, one end of the clamping jaw member is articulated to the second articulated seat, and the middle position of the clamping jaw member is articulated to the other end of the articulated rod.
[0017] By adopting the above technical solution, the second servo electric cylinder is extended and retracted to push and pull the second articulated seat to move, thereby driving one end of the clamping claw to move, and at the same time, the articulated rod is hinged with the middle part of the clamping claw to complete the gripping work of the clamping claw.
[0018] Preferably, a push handle is welded on the outer surface of the fixed base, and two groups of handles are symmetrically welded on the top outer surface of the push handle, and sponge sleeves are fixedly sleeved on the circumference of the two groups of handles.
[0019] By adopting the above technical solution, it is possible to conveniently provide thrust to the fixed base.
[0020] Preferably, four sets of self-locking universal wheels are fixedly arranged on the lower surface of the fixed base, and the four sets of self-locking universal wheels are respectively arranged at the four corners of the fixed base.
[0021] By adopting the above technical solution, the fixed base can be easily moved.
[0022] The present invention also provides a method for using a grasping device for maintaining mechanical parts, comprising the following steps: S1. Push the handle to use the self-locking universal wheels to move the fixed base to the position where the parts need to be grabbed; S2. The lifting platform is driven to move up and down by the lifting mechanism, and the clamping mechanism is lifted to a suitable position; S3. The movable seat is pushed to move by the first servo electric cylinder, so that the movable seat drives the clamping mechanism to move laterally, and the rotating shaft is driven to rotate by the first servo motor, and the rotating shaft drives the rotating block to rotate, thereby driving the clamping mechanism to rotate, and the angle and horizontal position of the clamping mechanism are adjusted; S4. After adjusting to the position of the component, the second servo electric cylinder drives the clamping mechanism to work and complete the grasping of the component.
[0023] The present invention mainly has the following beneficial effects: The lifting mechanism can drive the lifting platform to adjust its height, thereby driving the gripper mechanism to adjust its height, making it convenient to grab parts to different heights. The first servo electric cylinder is used to push the moving seat to move, and the moving seat drives the clamping mechanism to move, so as to facilitate the adjustment of the horizontal position of the clamping mechanism. At the same time, the first servo motor is used to drive the rotating block to rotate, so as to adjust the angle of the clamping mechanism, so as to facilitate the adjustment of the clamping mechanism to a suitable position. The clamping mechanism is arranged to facilitate the stable clamping of parts, thereby increasing the safety during work. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 is another isometric structural cross-sectional view of the present invention; Figure 3 The present invention Figure 1 A in the enlarged view; Figure 4 The present invention Figure 2 Enlarged view of point B in .
[0025] Reference numerals: 1, fixed base; 2, lifting platform; 3, lifting mechanism; 31, lifting support assembly; 311, first positioning block; 312, first guide rod; 313, first slider; 314, first connecting rod; 315, second positioning block; 316, second guide rod; 317, second slider; 318, second connecting rod; 32, lifting drive assembly; 321, third positioning block; 322, second servo motor; 323, screw rod; 324. driving block; 4. column; 5. first servo electric cylinder; 6. moving seat; 7. rotating groove; 8. rotating shaft; 9. first servo motor; 10. rotating block; 11. positioning seat; 12. second servo electric cylinder; 13. clamping mechanism; 131. clamping jaw assembly; 1311. first articulated seat; 1312. second articulated seat; 1313. articulated rod; 1314. clamping jaw member; 14. push handle; 15. handle; 16. self-locking universal wheel. DETAILED DESCRIPTION
[0026] Embodiment 1, refer to Figure 1-Figure 4, a grasping device for maintaining mechanical parts comprises a fixed base 1, a lifting platform 2 is arranged above the fixed base 1, a lifting mechanism 3 is arranged between the lower surface of the lifting platform 2 and the upper surface of the fixed base 1, a column 4 is welded at the middle position of the upper surface of the lifting platform 2, a first servo electric cylinder 5 is fixedly installed on the top outer surface of the column 4, an output end of the first servo electric cylinder 5 is fixedly connected with a moving seat 6, a rotating groove 7 is opened on the outer side of the moving seat 6, a rotating shaft 8 is rotatably arranged inside the rotating groove 7, a first servo motor 9 is fixedly installed on the outer surface of the moving seat 6, the output end of the first servo motor 9 is transmission-connected with one end of the rotating shaft 8, a rotating block 10 is fixedly sleeved on the circumference of the rotating shaft 8, a positioning seat 11 is welded on the outer surface of the rotating block 10, a second servo electric cylinder 12 is fixedly installed on the outer surface of the positioning seat 11, and a clamping claw mechanism 13 is arranged between the output end of the second servo electric cylinder 12 and the outer surface of the positioning seat 11.
[0027] By means of the provided lifting mechanism 3, the lifting platform 2 can be driven to adjust its height, thereby driving the clamping mechanism 13 to adjust its height, so as to facilitate grasping parts to different heights; by means of the provided first servo electric cylinder 5, the movable seat 6 is pushed to move, and the movable seat 6 drives the clamping mechanism 13 to move, so as to facilitate adjusting the horizontal position of the clamping mechanism 13; at the same time, the first servo motor 9 is used to drive the rotating block 10 to rotate, so as to adjust the angle of the clamping mechanism 13, so as to facilitate adjusting the clamping mechanism 13 to a suitable position.
[0028] Embodiment 2, refer to Figure 1-Figure 3 The lifting mechanism 3 includes a lifting support assembly 31 and a lifting drive assembly 32. The lifting support assembly 31 is provided with two groups, and the two groups of lifting support assemblies 31 are symmetrically arranged on both sides of the lifting platform 2; through the lifting support assembly 31 and the lifting drive assembly 32, the lifting work of the lifting platform 2 can be completed.
[0029] Embodiment 3, refer to Figure 1-Figure 3The lifting support assembly 31 includes two groups of first positioning blocks 311, a first guide rod 312, two groups of first sliders 313, a first connecting rod 314, two groups of second positioning blocks 315, a second guide rod 316, two groups of second sliders 317 and a second connecting rod 318. The two groups of the first positioning blocks 311 are symmetrically welded on both sides of the fixed base 1, the first guide rod 312 is welded between the two groups of the first positioning blocks 311, the two groups of the first sliders 313 are slidably arranged on the first guide rod 312, the two groups of the second positioning blocks 315 are symmetrically welded on the lower surface of the lifting platform 2, the second guide rod 316 is welded between the two groups of the second positioning blocks 315, and the two groups of the second sliders 31 The first connecting rod 314 and the second connecting rod 318 are slidably arranged on the second guide rod 316, one end of the first connecting rod 314 and the second connecting rod 318 are respectively rotatably connected to the two groups of the first sliding blocks 313, and the other ends of the first connecting rod 314 and the second connecting rod 318 are respectively rotatably connected to the two groups of the second sliding blocks 317, and the middle position of the first connecting rod 314 and the second connecting rod 318 is hinged; the first sliding block 313 slides on the first guide rod 312, driving one end of the first connecting rod 314 and the second connecting rod 318 to move, so that the other ends of the first connecting rod 314 and the second connecting rod 318 drive the second sliding block 317 to move on the second guide rod 316, thereby completing the lifting work.
[0030] Embodiment 4, refer to Figure 1-Figure 4 The lifting drive assembly 32 includes two groups of third positioning blocks 321, a second servo motor 322, a screw rod 323 and a driving block 324. The two groups of the third positioning blocks 321 are symmetrically welded on both sides of the fixed base 1. The screw rod 323 is rotatably arranged between the two groups of the third positioning blocks 321. The second servo motor 322 is installed on the outer surface of one group of the third positioning blocks 321. The output end of the second servo motor 322 is transmission-connected with one end of the screw rod 323. The driving block 324 is threadedly sleeved on the circumference of the screw rod 323, and both ends of the driving block 324 are welded to the first slider 313 at one end; the screw rod 323 is driven to rotate by the second servo motor 322, the screw rod 323 drives the driving block 324 to move, and the driving block 324 drives the first slider 313 to move on the first guide rod 312, thereby completing the lifting work.
[0031] Embodiment 5, refer to Figure 1 In order to conveniently increase the stability and balance of the moving seat 6 , two groups of the first servo electric cylinders 5 are provided, and the two groups of the first servo electric cylinders 5 are symmetrically installed on both sides of the column 4 .
[0032] refer to Figure 4In order to increase the grasping stability, the clamping mechanism 13 includes four groups of clamping assemblies 131 , and the four groups of clamping assemblies 131 are respectively arranged around the second servo cylinder 12 .
[0033] refer to Figure 4 The clamping jaw assembly 131 includes a first articulated seat 1311, a second articulated seat 1312, an articulated rod 1313 and a clamping jaw member 1314. The first articulated seat 1311 is welded to the outer surface of the positioning seat 11, and the second articulated seat 1312 is welded to the output end of the second servo electric cylinder 12. One end of the articulated rod 1313 is articulated to the first articulated seat 1311, and one end of the clamping jaw member 1314 is articulated to the second articulated seat 1312, and the middle position of the clamping jaw member 1314 is articulated to the other end of the articulated rod 1313; through the extension and retraction of the second servo electric cylinder 12, the second articulated seat 1312 is pushed and pulled to move, thereby driving one end of the clamping jaw member 1314 to move, and at the same time, the articulated rod 1313 is articulated to the middle part of the clamping jaw member 1314 to complete the grasping work of the clamping jaw member 1314.
[0034] refer to Figure 1 In order to facilitate the provision of thrust to the fixed base 1 , a push handle 14 is welded on the outer surface of the fixed base 1 , and two groups of handles 15 are symmetrically welded on the top outer surface of the push handle 14 , and sponge sleeves are fixedly sleeved on the circumference of the two groups of handles 15 .
[0035] refer to Figure 1 In order to facilitate the movement of the fixed base 1 , four sets of self-locking universal wheels 16 are fixedly arranged on the lower surface of the fixed base 1 , and the four sets of self-locking universal wheels 16 are respectively arranged at the four corners of the fixed base 1 .
[0036] Embodiment 6, The present invention also provides a method for using a grasping device for maintaining mechanical parts, comprising the following steps: S1. By pushing the handle 15, the fixed base 1 is driven to move by the self-locking universal wheel 16, and moved to the position where the parts need to be grabbed; S2. The lifting platform 2 is lifted and lowered by the lifting mechanism 3, and the clamping mechanism 13 is lifted and lowered to a suitable position; S3. The first servo electric cylinder 5 pushes the movable seat 6 to move, so that the movable seat 6 drives the clamping mechanism 13 to move laterally, and the first servo motor 9 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the rotating block 10 to rotate, thereby driving the clamping mechanism 13 to rotate, and the angle and horizontal position of the clamping mechanism are adjusted; S4. After adjusting to the position of the component, the second servo electric cylinder 12 drives the clamping mechanism 13 to work and complete the grasping of the component.
[0037] The above-mentioned embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The embodiments and features in the embodiments of the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.
Claims
1. A device for grasping parts of a maintenance machine, characterized in that: The invention comprises a fixed base (1), a lifting platform (2) is arranged above the fixed base (1), a lifting mechanism (3) is arranged between the lower surface of the lifting platform (2) and the upper surface of the fixed base (1), a column (4) is welded at the middle position of the upper surface of the lifting platform (2), a first servo electric cylinder (5) is fixedly installed on the top outer surface of the column (4), a moving seat (6) is fixedly connected to the output end of the first servo electric cylinder (5), a rotating groove (7) is opened on the outer side of the moving seat (6), and the inner rotating groove (7) is A rotating shaft (8) is provided, a first servo motor (9) is fixedly mounted on the outer surface of the moving seat (6), an output end of the first servo motor (9) is drivingly connected to one end of the rotating shaft (8), a rotating block (10) is fixedly sleeved on the circumference of the rotating shaft (8), a positioning seat (11) is welded on the outer surface of the rotating block (10), a second servo electric cylinder (12) is fixedly mounted on the outer surface of the positioning seat (11), and a clamping claw mechanism (13) is provided between the output end of the second servo electric cylinder (12) and the outer surface of the positioning seat (11).
2. The device for grasping parts of a maintenance machine according to claim 1, characterized in that: The lifting mechanism (3) comprises a lifting support assembly (31) and a lifting drive assembly (32). The lifting support assembly (31) is provided in two groups, and the two groups of lifting support assemblies (31) are symmetrically arranged on both sides of the lifting platform (2).
3. The device for grasping maintenance machine parts according to claim 2, characterized in that: The lifting support assembly (31) comprises two groups of first positioning blocks (311), a first guide rod (312), two groups of first sliding blocks (313), a first connecting rod (314), two groups of second positioning blocks (315), a second guide rod (316), two groups of second sliding blocks (317) and a second connecting rod (318), the two groups of first positioning blocks (311) are symmetrically welded on both sides of the fixed base (1), the first guide rod (312) is welded between the two groups of first positioning blocks (311), the two groups of first sliding blocks (313) are slidably arranged on the first guide rod (312), and the two groups of second positioning blocks (315) are symmetrically welded on both sides of the fixed base (1), the first guide rod (312) is welded between the two groups of first positioning blocks (311), the two groups of first sliding blocks (313) are slidably arranged on the first guide rod (312), and the two groups of second The blocks (315) are symmetrically welded on the lower surface of the lifting platform (2), the second guide rod (316) is welded between the two groups of second positioning blocks (315), the two groups of second sliders (317) are slidably arranged on the second guide rod (316), one end of the first connecting rod (314) and the second connecting rod (318) are respectively rotatably connected to the two groups of first sliders (313), the other ends of the first connecting rod (314) and the second connecting rod (318) are respectively rotatably connected to the two groups of second sliders (317), and the middle position of the first connecting rod (314) and the second connecting rod (318) is hinged.
4. The device for grasping maintenance machine parts according to claim 3, characterized in that: The lifting drive assembly (32) comprises two groups of third positioning blocks (321), a second servo motor (322), a screw rod (323) and a driving block (324); the two groups of third positioning blocks (321) are symmetrically welded on both sides of the fixed base (1); the screw rod (323) is rotatably arranged between the two groups of third positioning blocks (321); the second servo motor (322) is mounted on the outer surface of one group of the third positioning blocks (321); the output end of the second servo motor (322) is drivingly connected to one end of the screw rod (323); the driving block (324) is threadedly sleeved on the circumference of the screw rod (323); and both ends of the driving block (324) are welded to the first sliding block (313) at one end.
5. The device for grasping parts of maintenance machinery according to claim 1, characterized in that: The first servo electric cylinders (5) are provided in two groups, and the two groups of first servo electric cylinders (5) are symmetrically installed on both sides of the column (4).
6. The device for grasping parts of a maintenance machine according to claim 1, characterized in that: The clamping mechanism (13) comprises four groups of clamping assemblies (131), and the four groups of clamping assemblies (131) are respectively arranged around the second servo electric cylinder (12).
7. The device for grasping parts of a maintenance machine according to claim 6, characterized in that: The clamping jaw assembly (131) comprises a first hinged seat (1311), a second hinged seat (1312), an articulated rod (1313) and a clamping jaw member (1314); the first hinged seat (1311) is welded to the outer surface of the positioning seat (11); the second hinged seat (1312) is welded to the output end of the second servo electric cylinder (12); one end of the articulated rod (1313) is articulated to the first hinged seat (1311); one end of the clamping jaw member (1314) is articulated to the second hinged seat (1312); and the middle position of the clamping jaw member (1314) is articulated to the other end of the articulated rod (1313).
8. The device for grasping parts of a maintenance machine according to claim 1, characterized in that: A push handle (14) is welded on the outer surface of the fixed base (1), two groups of handles (15) are symmetrically welded on the top outer surface of the push handle (14), and sponge sleeves are fixedly sleeved on the circumference of the two groups of handles (15).
9. The device for grasping parts of a maintenance machine according to claim 1, characterized in that: Four sets of self-locking universal wheels (16) are fixedly arranged on the lower surface of the fixed base (1), and the four sets of self-locking universal wheels (16) are respectively arranged at the four corners of the fixed base (1).
10. The method for using the grasping device for maintaining mechanical parts according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. By pushing the handle (15), the fixed base (1) is driven to move by the self-locking universal wheel (16) and moved to the position where the parts need to be grabbed; S2. The lifting platform (2) is lifted and lowered by the lifting mechanism (3), and the clamping mechanism (13) is lifted and lowered to a suitable position; S3. The first servo electric cylinder (5) drives the movable seat (6) to move, so that the movable seat (6) drives the clamping mechanism (13) to move horizontally, and at the same time, the first servo motor (9) drives the rotating shaft (8) to rotate, and the rotating shaft (8) drives the rotating block (10) to rotate, thereby driving the clamping mechanism (13) to rotate, and completing the adjustment of the angle and horizontal position of the clamping mechanism; S4. After the position of the component is adjusted, the second servo electric cylinder (12) drives the clamping mechanism (13) to work and complete the work of grasping the component.