CN114434431A - Mechanical arm motor driving device for stage LED screen - Google Patents
Mechanical arm motor driving device for stage LED screen Download PDFInfo
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- CN114434431A CN114434431A CN202210128488.0A CN202210128488A CN114434431A CN 114434431 A CN114434431 A CN 114434431A CN 202210128488 A CN202210128488 A CN 202210128488A CN 114434431 A CN114434431 A CN 114434431A
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- mechanical arm
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- driving motor
- rotary table
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- 230000005540 biological transmission Effects 0.000 claims description 71
- 230000009467 reduction Effects 0.000 claims description 18
- 244000309464 bull Species 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 description 6
- 210000000245 forearm Anatomy 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
- B25J9/04—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical coordinate type or polar coordinate type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/102—Gears specially adapted therefor, e.g. reduction gears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/12—Programme-controlled manipulators characterised by positioning means for manipulator elements electric
Abstract
The invention relates to the technical field of mechanical arm motor driving devices, and particularly discloses a mechanical arm motor driving device for a stage LED screen. According to the mechanical arm motor driving device for the stage LED screen, the driving assembly is arranged in the base, so that the weight and the volume of the base are increased, the stability of the mechanical arm in working is effectively improved, and the mechanical arm is prevented from shaking or turning over when the mechanical arm integrally grabs the LED screen; the structure is beneficial to keeping the whole balance of the mechanical arm during working due to the fact that the first driving motor and the second driving motor are arranged in a staggered mode at the position close to the mechanical arm body, so that the whole gravity center of the mechanical arm is relatively stable, and stable operation of the mechanical arm is guaranteed.
Description
Technical Field
The invention relates to the technical field of mechanical arm motor driving devices, in particular to a mechanical arm motor driving device for a stage LED screen.
Background
With the development of the technological level and the continuous pursuit of people for the performance effect, the LED screen is usually arranged on the stage, and the LED screen can be used for playing the changed pictures to cooperate with the performance of guests performing on the stage so as to present the diversified visual effect.
The mechanical arm for the stage LED screen is a subdivision of the mechanical arm, has strong adaptability and dynamic problem solving capability, and is widely applied to stage equipment.
The mechanical arm for the stage LED screen is widely applied to stage equipment generally, the weight of the grabbed stage LED screen is heavier, the grabbed stage LED screen can shake or turn on one side of the small arm after being grabbed, the whole mechanical arm is prone to overturning, and safety accidents are prone to happening during working.
Aiming at the problems, the invention provides a mechanical arm motor driving device for a stage LED screen.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the problems that in the prior art, when the existing mechanical arm motor driving device works, the mechanical arm grabbing the stage LED screen is heavier, the mechanical arm grabbing the stage LED screen can shake or turn over towards one side where the small arm is located, the whole mechanical arm is prone to overturning, and safety accidents are prone to happening during working.
(II) technical scheme
The technical scheme adopted by the invention for solving the technical problems is as follows: a mechanical arm motor driving device for a stage LED screen comprises a base, a rotary table and a mechanical arm body, wherein a driving assembly is installed in the base, the rotary table is rotatably installed on the base and matched with the driving assembly, and the mechanical arm body is installed on the rotary table;
the driving assembly comprises a rotary table driving motor arranged in the base, the rotary table driving motor is connected with a driving shaft through a coupler, the upper end of the driving shaft is connected with a rotary table speed reducing part, and the driving shaft is in transmission connection with the rotary table through the rotary table speed reducing part;
a first driving motor and a second driving motor which are used for driving the mechanical arm body are installed on one side of the rotary table, and the first driving motor and the second driving motor are arranged on the rotary table in a staggered mode and are close to the mechanical arm body.
Preferably, a supporting column is arranged in the base and close to the turntable driving motor, and a supporting table is arranged on the supporting column;
the turntable speed reducing component comprises a first rotating rod which is rotatably connected with the base through a bearing, the driving shaft is connected with the first rotating rod, the first rotating rod is rotatably connected between the upper cover of the base and the supporting table through the bearing, the outer wall of the middle position of the first rotating rod is provided with a limiting tooth, and the outer wall of the limiting tooth is sleeved with a limiting cylinder in a sliding manner;
the two ends of the first rotating rod are fixedly provided with a first transmission gear and a second transmission gear, and the first transmission gear and the second transmission gear are close to one end of the limiting cylinder and are provided with limiting connecting parts matched with the limiting cylinder.
Preferably, a fixed rod is fixed on the lower end face of the upper cover of the base at a position close to the first transmission gear, a third transmission gear is rotatably connected to the lower end of the fixed rod through a bearing, and the third transmission gear is meshed with the first transmission gear.
Preferably, the upper cover of base with be close to between the brace table the position of dead lever is rotated and is connected with the second dwang, the intermediate position fixed mounting of second dwang has the action wheel, the one end fixed mounting of second dwang have with second drive gear engaged with fourth drive gear, the other end fixed mounting on the second dwang with third drive gear engaged with fifth drive gear.
Preferably, the upper cover of base with be close to between the brace table the position rotation of second dwang is connected with the third dwang, the intermediate position fixed mounting of third dwang with the action wheel assorted follows the driving wheel, follow the driving wheel with be connected with the drive belt between the action wheel.
Preferably, the upper end of the third rotating rod penetrates through the upper cover of the base and is rotatably connected with the upper cover through a bearing, and the upper end of the third rotating rod is fixedly connected with the lower end face of the rotating platform.
Preferably, the upper end face of the upper cover of the base is uniformly provided with mounting seats at positions facing the turntable, the mounting seats are uniformly distributed along the circumferential direction of the third rotating rod, and the mounting seats are rotatably connected with balls; and an annular roller path matched with the ball is arranged at the position, facing the mounting seat, of the lower end face of the rotary table.
Preferably, the turntable is provided with a driving speed reduction part at a position between the first driving motor and the mechanical arm body, the turntable is fixedly provided with a mounting frame, the mechanical arm body is mounted on the mounting frame, and the driving speed reduction part is matched with the first driving motor, the second driving motor and the mounting frame.
Preferably, the driving deceleration part comprises a support frame which is arranged on the turntable and is positioned between the first driving motor and the mounting frame in a 7-shaped manner, the first driving motor is arranged on the upper cover of the base and is positioned below a transverse plate of the support frame, and the second driving motor is reversely arranged on the transverse plate of the support frame;
the first driving motor is connected with a first rotating shaft through a coupler, the tail end of the first rotating shaft is connected with a first-stage linkage wheel, the second driving motor is connected with a second rotating shaft through a coupler, and the tail end of the second rotating shaft is also connected with the first-stage linkage wheel;
run through on the riser of support frame and be provided with the bull stick that slows down, the bull stick that slows down pass through the bearing with the riser of support frame rotates and is connected, the both ends symmetry of slowing down the bull stick is installed the second grade interlocking wheel, the one-level interlocking wheel with be connected with the one-level linkage area between the second grade interlocking wheel.
Preferably, the both ends of speed reduction bull stick are located leaning on interior position symmetry and install tertiary linkage wheel of two second grade linkage wheels, the mechanical arm body passes through the connecting axle to rotate to be installed on the mounting bracket, the connecting axle with the mounting bracket passes through the bearing and rotates to be connected, the both ends of connecting axle run through extremely level four linkage wheels are installed to the outside and the symmetry of mounting bracket, tertiary linkage wheel with be connected with the second grade linkage area between the level four linkage wheels.
(III) advantageous effects
1. According to the mechanical arm motor driving device for the stage LED screen, the driving assembly is arranged in the base, so that the weight and the volume of the base are increased, the stability of the mechanical arm in working is effectively improved, and the mechanical arm is prevented from shaking or turning over when the mechanical arm integrally grabs the LED screen; first driving motor and second driving motor dislocation set are in the position that is close to the mechanical arm body, and first driving motor and second driving motor are located the position of keeping away from forearm one side of the mechanical arm body on the revolving stage, and this structure is favorable to keeping the holistic balance of mechanical arm during operation to guarantee that the holistic focus of mechanical arm is relatively stable, and then guarantee the steady operation of mechanical arm.
2. The mechanical arm motor driving device for the stage LED screen, provided by the invention, is characterized in that the number of gear teeth of the first transmission gear on the first rotating rod is less than the number of gear teeth of the fourth transmission gear and the number of gear teeth of the fifth transmission gear, the gear teeth are in inverse proportion to the number of revolutions according to the number of gear teeth, after the gear teeth are transmitted to the second rotating rod through the first rotating rod, the rotating speed of the second rotating rod is lower than that of the first rotating rod, the torque generated by the rotary table driving motor is decelerated by the cooperation of the first rotating rod and the second rotating rod, and then the secondary deceleration is performed by the cooperation of the driving wheel and the driven wheel, and the rotary table is conveniently driven to rotate by the third rotating rod after the secondary deceleration.
3. According to the mechanical arm motor driving device for the stage LED screen, the annular roller path and the balls are matched, so that the rotary table can be supported, the rotary table can rotate more uniformly, and the problem of unstable rotation is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of the mounting seat, balls and circular raceway of the present invention;
FIG. 4 is a schematic view of the internal structure of the base of the present invention;
FIG. 5 is a schematic view of a first rotating rod according to the present invention;
fig. 6 is a schematic structural view of a second rotating rod according to the present invention.
Wherein: 1 base, 11 support columns, 12 support tables, 13 upper covers, 14 installation bases, 15 balls, 2 turntables, 20 annular roller paths, 3 mechanical arm bodies, 4 driving components, 41 turntable driving motors, 42 driving shafts, 5 first driving motors, 51 first rotating shafts, 52 primary linkage wheels, 6 second driving motors, 7 turntable speed reducing parts, 71 first rotating rods, 711 first transmission gears, 712 second transmission gears, 713 limit teeth, 714 limit cylinders, 715 limit connecting parts, 72 fixing rods, 720 third transmission gears, 73 second rotating rods, 731 driving wheels, 732 fourth transmission gears, 733 fifth transmission gears, 74 third rotating rods, 740 driven wheels, 75 and 8 driving speed reducing parts, 81 installation frames, 82 support frames, 83 secondary linkage belts, 84 secondary linkage wheels, 85 primary linkage belts, 86 tertiary linkage wheels, 87 connecting shafts and 88 quaternary linkage wheels.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-6, a mechanical arm motor driving device for a stage LED screen includes a base 1, a turntable 2 and a mechanical arm body 3, wherein a driving assembly 4 is installed in the base 1, the turntable 2 is rotatably installed on the base 1 and is matched with the driving assembly 4, and the mechanical arm body 3 is installed on the turntable 2;
the driving assembly 4 comprises a turntable driving motor 41 installed in the base 1, the turntable driving motor 41 is connected with a driving shaft 42 through a coupling, the upper end of the driving shaft 42 is connected with a turntable speed reducing part 7, and the driving shaft 42 is in transmission connection with the turntable 2 through the turntable speed reducing part 7;
referring to fig. 1-2, a first driving motor 5 and a second driving motor 6 for driving the arm body 3 are installed on one side of the turntable 2, and the first driving motor 5 and the second driving motor 6 are arranged on the turntable 2 at positions close to the arm body 3 in a staggered manner.
In the technical scheme, the turntable driving motor 41 and the turntable speed reducing part 7 are arranged in the base 1, so that the weight and the volume of the base 1 are increased, the stability of the mechanical arm in working is effectively increased, and the mechanical arm is further ensured not to shake or turn over when the mechanical arm integrally grabs the LED screen; first driving motor 5 and second driving motor 6 dislocation set are in the position that is close to the mechanical arm body 3, and first driving motor 5 is located the position of keeping away from forearm one side of the mechanical arm body 3 on revolving stage 2 with second driving motor 6, and this structure is favorable to keeping the holistic balance of mechanical arm during operation to guarantee that the holistic focus of mechanical arm is relatively stable, and then guarantee the steady operation of mechanical arm.
A support column 11 is arranged at a position close to the turntable driving motor 41 in the base 1, and a support table 12 is arranged on the support column 11; the turntable driving motor 41 is located below the support table 12, and a driving shaft 42 of the turntable driving motor 41 is disposed upward.
Referring to fig. 4-5, the turntable speed reduction component 7 includes a first rotation rod 71 rotatably connected to the base 1 through a bearing, the driving shaft 42 is connected to the first rotation rod 71, the first rotation rod 71 is rotatably connected between the upper cover 13 of the base 1 and the support table 12 through a bearing, bearings are mounted at both ends of the first rotation rod, so as to be rotatably connected to the upper cover 13 and the support table 12, a limit tooth 713 is disposed on an outer wall of a middle position of the first rotation rod 71, and a limit cylinder 714 is slidably sleeved on an outer wall of the limit tooth 713; the restricting cylinder 714 is movable on the restricting teeth 713 in the axial direction of the first rotating rod 71.
A first transmission gear 711 and a second transmission gear 712 are fixedly mounted at two ends of the first rotating rod 71, and a limit connecting part 715 matched with the limit cylinder 714 is arranged at one end of each of the first transmission gear 711 and the second transmission gear 712 close to the limit cylinder 714; rubber rings are arranged on the first rotating rod 71 and positioned on two sides of the first transmission gear 711 and the limiting connecting portion 715 and used for enhancing connection between the first transmission gear 711 and the first rotating rod 71, and rubber rings are arranged on two sides of the second transmission gear 712 and the limiting connecting portion 715.
In the above technical solution, the limiting cylinder 714 moves on the limiting tooth 713 and can also move to a position where the limiting cylinder is clamped with the limiting connection portion 715, which is beneficial to enhancing the connection between the first transmission gear 711 and the second transmission gear 712 and the first rotation rod 71, and effectively prevents the first transmission gear 711 and the second transmission gear 712 from rotating circumferentially relative to the first rotation rod 71.
A fixed rod 72 is fixed on the lower end surface of the upper cover 13 of the base 1 near the first transmission gear 711, a third transmission gear 720 is rotatably connected to the lower end of the fixed rod 72 through a bearing, and the third transmission gear 720 is meshed with the first transmission gear 711.
In the above technical solution, when the first rotating rod 71 rotates, the first transmission gear 711 drives the third transmission gear 720 to rotate.
Referring to fig. 6, the upper cover 13 of the base 1 and the supporting table 12 are close to the fixing rod 72, the position of the fixing rod 72 is rotatably connected with a second rotating rod 73, bearings are installed at two ends of the second rotating rod, so that the second rotating rod is conveniently rotatably connected with the upper cover 13 and the supporting table 12, an active wheel 731 is fixedly installed at the middle position of the second rotating rod 73, a fourth transmission gear 732 meshed with the second transmission gear 712 is fixedly installed at one end of the second rotating rod 73, and a fifth transmission gear 733 meshed with the third transmission gear 720 is fixedly installed at the other end of the second rotating rod 73.
The outer diameter of the fifth transmission gear 733 is larger than that of the fourth transmission gear 732, the outer diameter of the fourth transmission gear 732 is larger than that of the first transmission gear 711 and that of the second transmission gear 712, and the outer diameter of the first transmission gear 711 is consistent with that of the second transmission gear 712; the number of teeth on the fifth transmission gear 733 is greater than that on the fourth transmission gear 732, and the number of teeth on the fourth transmission gear 732 is greater than that on the first transmission gear 711.
In the above technical solution, when the first rotating rod 71 rotates, the first transmission gear 711 drives the third transmission gear 720 to rotate, the third transmission gear 720 drives the fifth transmission gear 733 to rotate, and meanwhile, the second transmission gear 712 drives the fourth transmission gear 732 to rotate, so as to drive the second rotating rod 73 to rotate between the upper cover 13 of the base 1 and the supporting table 12 under the action of the bearing.
Referring to fig. 4, a third rotating rod 74 is rotatably connected between the upper cover 13 of the base 1 and the supporting platform 12 at a position close to the second rotating rod 73, bearings are respectively installed at two ends of the third rotating rod, so as to be conveniently rotatably connected with the upper cover 13 and the supporting platform 12, a driven wheel 740 matched with the driving wheel 731 is fixedly installed in the middle of the third rotating rod 74, and a transmission belt 75 is connected between the driven wheel 740 and the driving wheel 731; wherein, a ring groove is arranged in the middle of the driven wheel 740 and the driving wheel 731 for one circle, the transmission belt 75 is arranged in the ring groove, and the diameter of the driving wheel 731 is smaller than that of the driven wheel 740.
In the above technical solution, the second rotating rod 73 is driven to rotate, and through the special setting of the transmission belt 75, the driving wheel 731 drives the driven wheel 740 to rotate, and then drives the third rotating rod 74 to rotate on the upper cover 13 and the supporting platform 12.
The upper end of the third rotating rod 74 penetrates through the upper cover 13 of the base 1 and is rotatably connected with the upper cover 13 through a bearing, and the upper end of the third rotating rod 74 is fixedly connected with the lower end face of the rotary table 2.
In the above technical solution, the number of teeth of the first transmission gear 711 on the first rotating rod 71 is less than the number of teeth of the fourth transmission gear 732 and the number of teeth of the fifth transmission gear 733, the number of teeth is inversely proportional to the number of rotations according to the number of teeth, after the second rotating rod 73 is transmitted through the first rotating rod 71, the rotating speed of the second rotating rod 73 is lower than the rotating speed of the first rotating rod 71, the torque generated by the turntable driving motor 41 is decelerated by the cooperation of the first rotating rod 71 and the second rotating rod 73, and then the second-stage deceleration is performed by the cooperation of the driving wheel 731 and the driven wheel 740, and the third rotating rod 74 is convenient to drive the turntable 2 to rotate after the second-stage deceleration.
Referring to fig. 3, the mounting seats 14 are uniformly installed at positions, facing the turntable 2, on the upper end surface of the upper cover 13 of the base 1, the mounting seats 14 are uniformly distributed along the circumferential direction of the third rotating rod 74, and the mounting seats 14 are rotatably connected with the balls 15; and an annular roller path 20 matched with the ball 15 is arranged at the position, facing the mounting seat 14, of the lower end surface of the rotary table 2.
In above-mentioned technical scheme, cooperate between annular raceway 20 and the ball 15, be favorable to supporting revolving stage 2 and be favorable to making revolving stage 2 more even when rotating again, avoid taking place to rotate the problem of unstability and appear.
Referring to fig. 1-2, a driving speed reduction unit 8 is mounted on the turntable 2 at a position between the first driving motor 5 and the arm body 3, a mounting bracket 81 is fixed on the turntable 2, the arm body 3 is mounted on the mounting bracket 81, and the driving speed reduction unit 8 is matched with the first driving motor 5, the second driving motor 6 and the mounting bracket 81; wherein the first driving motor 5 and the second driving motor 6 are installed at the position far away from the third rotating rod 74 on the turntable 2, which is favorable for ensuring the stability of the mechanical arm in operation.
Referring to fig. 2, the driving deceleration part 8 includes a support frame 82 shaped like a letter "7" mounted on the turntable 2 between the first driving motor 5 and the mounting frame 81, the first driving motor 5 is mounted on the upper cover 13 of the base 1 at a position below a horizontal plate of the support frame 82, and the second driving motor 6 is mounted on the horizontal plate of the support frame 82 in a reverse direction;
the first driving motor 5 is connected with a first rotating shaft 51 through a coupler, the tail end of the first rotating shaft 51 is connected with a first-stage linkage wheel 52, the second driving motor 6 is connected with a second rotating shaft through a coupler, and the tail end of the second rotating shaft is also connected with the first-stage linkage wheel 52;
a speed reduction rotating rod penetrates through a vertical plate of the supporting frame 82, the speed reduction rotating rod is rotatably connected with the vertical plate of the supporting frame 82 through a bearing, two ends of the speed reduction rotating rod are symmetrically provided with two-stage linkage wheels 84, and a one-stage linkage belt 85 is connected between the one-stage linkage wheel 52 and the two-stage linkage wheels 84; wherein the diameter of the primary linkage wheel 52 is smaller than the diameter of the secondary linkage wheel 84.
In the above technical solution, the first driving motor 5, the first-stage linkage wheel 52, the second-stage linkage wheel 84, the second driving motor 6, and the first-stage linkage belt 85 are mutually engaged to drive the decelerating rotating rod to rotate, and the rotating speed of the decelerating rotating rod is reduced relative to the rotating speeds of the first rotating shaft 51 and the second rotating shaft, so that the decelerating rotating rod rotates at a relatively low speed.
Three-stage linkage wheels 86 are symmetrically mounted at positions, close to the inner positions, of two second-stage linkage wheels 84 at two ends of the speed reducing rotating rod, the mechanical arm body 3 is rotatably mounted on the mounting frame 81 through a connecting shaft 87, the connecting shaft 87 is rotatably connected with the mounting frame 81 through a bearing, four-stage linkage wheels 88 are symmetrically mounted at two ends of the connecting shaft 87 and penetrate through the outside of the mounting frame 81, and a second-stage linkage belt 83 is connected between the three-stage linkage wheels 86 and the four-stage linkage wheels 88; wherein, the diameter of the third-stage linkage wheel 86 is smaller than that of the fourth-stage linkage wheel 88.
In the above technical scheme, the speed reduction rotating rod, the third-level linkage wheel 86, the fourth-level linkage wheel 88 and the second-level linkage belt 83 are mutually matched, so that the speed reduction rotating rod drives the fourth-level linkage wheel 88 to rotate, the connecting shaft 87 is driven to rotate, the mechanical arm body 3 is driven to rotate, the rotating speed of the connecting shaft 87 is reduced, and the mechanical arm body 3 after speed reduction can meet the use requirement of work.
The driving component 4 is arranged in the base 1, so that the weight and the volume of the base 1 are increased, the stability of the mechanical arm in working is effectively increased, and the mechanical arm is further ensured not to shake or turn over when the mechanical arm integrally grabs the LED screen; first driving motor 5 and second driving motor 6 dislocation set are in the position that is close to the mechanical arm body 3, and first driving motor 5 is located the position of keeping away from forearm one side of the mechanical arm body 3 on revolving stage 2 with second driving motor 6, and this structure is favorable to keeping the holistic balance of mechanical arm during operation to guarantee that the holistic focus of mechanical arm is relatively stable, and then guarantee the steady operation of mechanical arm.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a stage LED is arm motor drive for screen, includes base (1), revolving stage (2) and the arm body (3), its characterized in that: a driving assembly (4) is installed in the base (1), the rotary table (2) is rotatably installed on the base (1) and matched with the driving assembly (4), and the mechanical arm body (3) is installed on the rotary table (2);
the driving assembly (4) comprises a rotary table driving motor (41) arranged in the base (1), the rotary table driving motor (41) is connected with a driving shaft (42) through a coupler, the upper end of the driving shaft (42) is connected with a rotary table speed reducing component (7), and the driving shaft (42) is in transmission connection with the rotary table (2) through the rotary table speed reducing component (7);
a first driving motor (5) and a second driving motor (6) which are used for driving the mechanical arm body (3) are installed on one side of the rotary table (2), and the first driving motor (5) and the second driving motor (6) are arranged on the rotary table (2) in a staggered mode and are close to the mechanical arm body (3).
2. A stage LED screen mechanical arm motor driving device according to claim 1, wherein: a supporting column (11) is arranged in the base (1) and close to the rotary table driving motor (41), and a supporting table (12) is arranged on the supporting column (11);
the turntable speed reducing component (7) comprises a first rotating rod (71) which is rotatably connected with the base (1) through a bearing, the driving shaft (42) is connected with the first rotating rod (71), the first rotating rod (71) is rotatably connected between the upper cover (13) of the base (1) and the supporting table (12) through a bearing, a limiting tooth (713) is arranged on the outer wall of the middle position of the first rotating rod (71), and a limiting barrel (714) is sleeved on the outer wall of the limiting tooth (713) in a sliding manner;
two ends of the first rotating rod (71) are fixedly provided with a first transmission gear (711) and a second transmission gear (712), and one end of the first transmission gear (711) and one end of the second transmission gear (712) close to the limiting barrel (714) are both provided with limiting connecting parts (715) matched with the limiting barrel (714).
3. A stage LED screen mechanical arm motor driving device according to claim 2, wherein: a fixing rod (72) is fixed on the lower end face of an upper cover (13) of the base (1) close to the first transmission gear (711), a third transmission gear (720) is rotatably connected to the lower end of the fixing rod (72) through a bearing, and the third transmission gear (720) is meshed with the first transmission gear (711).
4. A stage LED screen mechanical arm motor driving device according to claim 3, wherein: upper cover (13) of base (1) with be close to between propping up supporting bench (12) the position of dead lever (72) is rotated and is connected with second dwang (73), the intermediate position fixed mounting of second dwang (73) has action wheel (731), the one end fixed mounting of second dwang (73) have with second drive gear (712) engaged with fourth drive gear (732), other end fixed mounting on second dwang (73) have with third drive gear (720) engaged with fifth drive gear (733).
5. The stage LED screen mechanical arm motor driving device according to claim 4, wherein: upper cover (13) of base (1) with be close to between brace table (12) the position of second dwang (73) is rotated and is connected with third dwang (74), the intermediate position fixed mounting of third dwang (74) have with action wheel (731) assorted follow driving wheel (740), follow driving wheel (740) with be connected with drive belt (75) between action wheel (731).
6. The stage LED screen mechanical arm motor driving device according to claim 5, wherein: the upper end of third dwang (74) runs through upper cover (13) of base (1) and with upper cover (13) pass through the bearing and rotate and be connected, the upper end of third dwang (74) with the lower terminal surface fixed connection of revolving stage (2).
7. The stage LED screen mechanical arm motor driving device according to claim 6, wherein: the upper end face of the upper cover (13) of the base (1) is uniformly provided with installation seats (14) at positions opposite to the rotary table (2), the installation seats (14) are uniformly distributed along the circumferential direction of the third rotating rod (74), and the installation seats (14) are rotatably connected with balls (15); and an annular roller path (20) matched with the ball (15) is arranged at the position, facing the mounting seat (14), of the lower end face of the rotary table (2).
8. A stage LED screen mechanical arm motor driving device according to claim 1, wherein: lie in on revolving stage (2) first driving motor (5) with drive speed reduction part (8) are installed to position between the arm body (3), be fixed with mounting bracket (81) on revolving stage (2), the arm body (3) is installed on mounting bracket (81), drive speed reduction part (8) with first driving motor (5) second driving motor (6) and mounting bracket (81) cooperate.
9. A stage LED screen mechanical arm motor driving device according to claim 8, wherein: the driving speed reducing part (8) comprises a 7-shaped support frame (82) which is arranged between the first driving motor (5) and the mounting frame (81) on the rotary table (2), the first driving motor (5) is arranged on the upper cover (13) of the base (1) and is positioned below a transverse plate of the support frame (82), and the second driving motor (6) is reversely arranged on the transverse plate of the support frame (82);
the first driving motor (5) is connected with a first rotating shaft (51) through a coupler, the tail end of the first rotating shaft (51) is connected with a first-stage linkage wheel (52), the second driving motor (6) is connected with a second rotating shaft through a coupler, and the tail end of the second rotating shaft is also connected with the first-stage linkage wheel (52);
run through on the riser of support frame (82) and be provided with the speed reduction bull stick, the speed reduction bull stick pass through the bearing with the riser of support frame (82) rotates and connects, second grade interlocking wheel (84) are installed to the both ends symmetry of speed reduction bull stick, one-level interlocking wheel (52) with be connected with one-level linkage area (85) between second grade interlocking wheel (84).
10. A stage LED screen mechanical arm motor driving device according to claim 9, wherein: the both ends of speed reduction bull stick are located leaning on interior position symmetry and install tertiary linkage wheel (86) of two second grade linkage wheels (84), the mechanical arm body (3) rotate through connecting axle (87) and install on mounting bracket (81), connecting axle (87) with mounting bracket (81) rotate through the bearing and connect, the both ends of connecting axle (87) run through extremely level four linkage wheel (88) are installed to the outside and the symmetry of mounting bracket (81), tertiary linkage wheel (86) with be connected with second grade linkage area (83) between level four linkage wheel (88).
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| CN202210128488.0A CN114434431A (en) | 2022-02-11 | 2022-02-11 | Mechanical arm motor driving device for stage LED screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210128488.0A CN114434431A (en) | 2022-02-11 | 2022-02-11 | Mechanical arm motor driving device for stage LED screen |
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| CN202210128488.0A Pending CN114434431A (en) | 2022-02-11 | 2022-02-11 | Mechanical arm motor driving device for stage LED screen |
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| EP0188863A1 (en) * | 1985-01-24 | 1986-07-30 | Adept Technology, Inc. | Direct drive robotic system |
| CN204820855U (en) * | 2015-08-19 | 2015-12-02 | 常州精华数控设备有限公司 | Self -control pivot mechanism of jade carving machine |
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