A ceramic insulator spraying equipment
By designing the transfer mechanism and spraying mechanism of ceramic insulator spraying equipment, the insulators are realized while spraying, drying and loading and unloading materials, solving the problems of cumbersome replacement and transportation of existing equipment, high downtime and workers' health threats, and improving the spraying efficiency and coating effect.
Patent Information
- Application Number
- CN202510262489.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2045-03-06
AI Technical Summary
The existing insulator spraying equipment is complicated when replacing and transporting insulators, which leads to long-term shutdown of the equipment, affecting the spraying efficiency, and the atomized coating generated by the spraying threatens workers' health, and the insulators are easily contaminated with impurities during replacement and transport, affecting the coating effect.
A ceramic insulator spraying equipment is designed, using a transfer mechanism and a spraying mechanism. During the spraying period, the insulators are quickly replaced and loaded and unloaded through the transfer mechanism of the annular guide rail and the rotating disc. The insulators in the spraying box are sprayed, dried and loaded and unloaded at the same time to avoid equipment shutdown, and the closed design of the spraying box prevents atomized coating from scattering.
It improves spraying efficiency, shortens the waiting time of the equipment, ensures the safety of the working environment of workers, and avoids impurities contamination of insulators during replacement and transportation, ensuring the coating effect.
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Figure CN119742131B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of insulator processing, and in particular to a ceramic insulator spraying device. Background Art
[0002] Insulators are devices installed between conductors of different potentials or between conductors and grounded components, which can withstand voltage and mechanical stress. Since insulators are exposed to the external environment for a long time, dust particles and other contaminants are easily adhered to their surfaces. The soluble substances in the contaminants dissolve in water and form a conductive film on the insulating surface, which greatly reduces the insulation level of the insulators and causes discharge, which is the pollution flashover phenomenon. Once a pollution flashover accident occurs, it will cause damage to power equipment, which will lead to large-scale power outages, further affecting the safe and stable operation of the power grid, with serious consequences.
[0003] At present, one of the most economical and effective anti-pollution flashover measures in substations is to spray anti-pollution flashover paint on the surface of insulators to reduce the frequency of pollution flashover accidents. The existing anti-pollution flashover paint processing methods for insulators mostly use spraying equipment to spray insulators, but the existing spraying equipment requires workers to clamp the insulators to be sprayed on the spraying station. After the equipment completes the spraying operation, the insulators to be sprayed are manually removed and replaced for re-clamping. The entire insulator replacement and loading and unloading process is not only cumbersome, but during the replacement period, the spraying equipment is in a long-term shutdown state, affecting the spraying efficiency, and the atomized paint produced by the spraying will cause a certain threat to the health of the workers, and the paint on the surface of the sprayed insulator needs to be transported to a drying cabinet for drying before it dries. The insulators are very easy to be contaminated with impurities during replacement and transportation, which affects the coating effect. For this reason, a ceramic insulator spraying equipment is proposed. Summary of the invention
[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a ceramic insulator spraying device.
[0005] A ceramic insulator spraying device comprises a processing table and a transfer mechanism, wherein the transfer mechanism is mounted on the processing table and is used to transport insulators, a spraying mechanism is mounted on the processing table and is used to perform closed spraying on the insulators, the transfer mechanism comprises an annular guide rail and an annular rotating disk, the annular guide rail is mounted on the processing table, a plurality of guide blocks are connected to the bottom of the rotating disk in an annular array, the plurality of guide blocks are all slidably connected to the annular guide rail, four main shafts are rotatably connected to the rotating disk in an annular array, and a clamping mechanism is provided on each of the main shafts for clamping and fixing the insulators.
[0006] Preferably, the spraying mechanism comprises a spray box, which is mounted on a processing table, an arc-shaped connecting groove is provided at the bottom of the spray box and is rotatably connected to a rotating disk, inlets and outlets are provided on the front and rear sides of the spray box, a material guide pipe is connected to one side wall of the spray box, the material guide pipe is provided with a plurality of nozzles in the spray box, the two side walls of the spray box close to the bottom are respectively penetrated by bottom plates which are slidably connected, each bottom plate is connected to baffles at the two inlets and outlets, elastic telescopic rods are installed on the inner walls on both sides of the spray box, the movable ends of the elastic telescopic rods are connected to the adjacent baffles, the front and rear inner walls of the spray box and located on the bottom plate Two pairs of slide rails are connected at the bottom, each pair of slide rails is slidably connected to a pair of sliders, each pair of sliders is commonly connected to a connecting rod, each slider has one end close to the inlet and outlet rotatably connected to a roller via a pin, the middle position of each connecting rod is rotatably connected to a fourth gear via a pin, a first spur rack is connected to the bottom inner wall of the spray box, a second spur rack is connected to the bottom of each base plate, the fourth gear is meshed with the first spur rack and the second spur rack at the same time, a through opening is commonly provided on the two base plates for accommodating a main shaft, each main shaft is connected to a push block, and both ends of the push block are arranged as triangular push heads.
[0007] Preferably, the clamping mechanism includes a fixed plate and a lifting seat, the fixed plate is connected to the main shaft, two sliding rods are slidably connected at both ends of the fixed plate, the upper ends of the two sliding rods are connected to the lifting seat, each of the sliding rods is sleeved with a first spring, the two ends of the first spring are respectively connected to the lifting seat and the fixed plate, two moving blocks are slidably connected to the lifting seat, the cross-section of the moving block is a special-shaped structure, each of the moving blocks is connected to a support rod, and multiple second springs are connected between the two support rods, a through lifting groove is opened in the middle position of the lifting seat, the top of the main shaft is connected to a top block, the top of the top block is a wedge-shaped block structure, and the adjacent ends of the two moving blocks are provided with inclined surfaces and abut against the top block.
[0008] Preferably, a first motor is installed at the bottom of the processing table, the first motor is installed at the bottom of the processing table, the output shaft of the first motor is coaxially connected with a driving wheel, a rotating shaft is rotatably connected through the processing table, the lower end of the rotating shaft is connected with a groove wheel, the driving wheel is matched and meshed with the groove wheel, the upper end of the rotating shaft is coaxially connected with a first gear, the bottom surface of the rotating disk is coaxially connected with a first gear ring, and the first gear ring is meshed with the first gear.
[0009] Preferably, a second gear ring is coaxially connected to the bottom of the rotating disk, a second motor is installed at the bottom of the rotating disk, a second gear is coaxially connected to the output shaft of the second motor, the second gear is meshed with the second gear ring, and a third gear is coaxially connected to the lower end of each main shaft, the third gear is meshed with the second gear ring.
[0010] Preferably, a two-thirds arc-shaped drying box is installed on the processing table, and an arc-shaped connecting groove is provided at the bottom of the drying box and is rotatably connected to the rotating disk. Openings are provided at both ends of the drying box, and one end of the opening of the drying box is connected to the inlet and outlet of the spray box. A drying component is provided on the inner wall of the drying box.
[0011] Preferably, the transmission ratio between the driving wheel and the groove wheel is 4:1, the transmission ratio between the first gear and the first ring gear is 16:1, and the first motor and the second motor are both servo motors.
[0012] Compared with the prior art, the present invention has the following advantages:
[0013] 1. The present invention is provided with a transfer mechanism and a spraying mechanism. During the spraying of the insulators in the spray box, workers can remove the sprayed and dried insulators that have been transferred to the clamping station and replace them with insulators to be sprayed, so that spraying, drying and loading and unloading can be carried out simultaneously, shortening the waiting time of the spraying equipment, and the entire clamping process of the insulation is simple and fast, which greatly improves the spraying efficiency.
[0014] 2. When the clamping mechanism and insulator of the present invention are transported into the spray box, the baffle door on the spray box can be automatically opened and closed, so that the entire spray box is closed during spraying, which can prevent the sprayed atomized paint from scattering and ensure a good working environment for workers.
[0015] 3. After spraying is completed, the clamping mechanism of the present invention will transport the insulator that has just been sprayed out of the spray box and into the drying box through transportation, so as to achieve seamless connection of drying after spraying, avoid the situation that the traditional transportation easily causes the surface of the insulator to be contaminated with impurities, and ensure the coating effect on the surface of the insulator. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the present invention.
[0017] Figure 2 It is a structural schematic diagram of the transfer mechanism in the present invention.
[0018] Figure 3 It is a schematic structural diagram of the bottom of the rotating disk in the present invention.
[0019] Figure 4 It is a schematic diagram of the structure of the spray box in the present invention.
[0020] Figure 5 It is a structural sectional view of the spray box in the present invention.
[0021] Figure 6 It is a structural cross-sectional view of another cross section of the spray box in the present invention.
[0022] Figure 7 It is a structural schematic diagram of the clamping mechanism in the present invention.
[0023] In the figure: 1 processing table, 2 transfer mechanism, 21 annular guide rail, 22 rotating disk, 23 guide block, 24 first motor, 241 driving wheel, 242 rotating shaft, 243 groove wheel, 244 first gear, 245 first ring gear, 25 second ring gear, 26 second motor, 261 second gear, 27 third gear, 3 spraying mechanism, 31 spray box, 32 inlet and outlet, 33 material guide pipe, 331 nozzle, 34 bottom plate, 35 baffle, 351 elastic telescopic rod, 36 slide rail, 361 slider, 362 roller, 363 connecting rod, 37 fourth gear, 371 first straight rack, 372 second straight rack, 38 through port, 39 push block, 4 clamping mechanism, 41 spindle, 42 fixed plate, 43 slide rod, 431 first spring, 44 lifting seat, 45 moving block, 46 support rod, 461 second spring, 47 lifting slot, 48 top block, 5 drying box, 51 opening. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0025] Reference Figure 1-7 As shown, a ceramic insulator spraying equipment comprises a processing table 1 and a transfer mechanism 2, wherein the transfer mechanism 2 is mounted on the processing table 1 and is used to transport insulators, a spraying mechanism 3 is mounted on the processing table 1 for closed spraying of insulators, the transfer mechanism 2 comprises an annular guide rail 21 and an annular rotating disk 22, the annular guide rail 21 is mounted on the processing table 1, a plurality of guide blocks 23 are connected to the bottom of the rotating disk 22 in an annular array, the plurality of guide blocks 23 are all slidably connected to the annular guide rail 21, four main shafts 41 are rotatably connected to the rotating disk 22 in an annular array, and each of the main shafts 41 is provided with a clamping mechanism 4 for clamping and fixing the insulator.
[0026] In this embodiment, the spraying mechanism includes a spray box 31, which is installed on the processing table 1. The bottom of the spray box 31 is provided with an arc-shaped connecting groove which is rotatably connected to the rotating disk 22. The front and rear sides of the spray box 31 are provided with an inlet and outlet 32. A material guide pipe 33 is connected to one side of the box wall of the spray box 31. The material guide pipe 33 is located in the spray box 31 and is provided with a plurality of nozzles 331. The outer end of the material guide pipe 33 is externally connected to a paint box and a pump body. The two side boxes of the spray box 31 near the bottom The walls are respectively penetrated by bottom plates 34 that are slidably connected, and each bottom plate 34 is connected to a baffle 35 at the two inlets and outlets 32. Elastic telescopic rods 351 are installed on the inner walls of both sides of the spray box 31. The elastic telescopic rods 351 always maintain a tendency to open. The movable ends of the elastic telescopic rods 351 are connected to the adjacent baffles 35. The front and rear inner walls of the spray box 31 are connected to two pairs of slide rails 36 located below the bottom plates 34. Each pair of the slide rails 36 is slidably connected to a pair of sliders 361. Each pair of the slide rails 36 is slidably connected to a pair of sliders 361. The blocks 361 are connected together with a connecting rod 363, one end of each slider 361 close to the inlet and outlet 32 is rotatably connected to a roller 362 through a pin shaft, and the middle position of each connecting rod 363 is rotatably connected to a fourth gear 37 through a pin shaft. The bottom inner wall of the spray box 31 is connected to a first straight rack 371, and the bottom of each base plate 34 is connected to a second straight rack 372. The fourth gear 37 is meshed with the first straight rack 371 and the second straight rack 372 at the same time. The bottom plate 34 is commonly provided with a through opening 38 for accommodating the main shaft 41, and each main shaft 41 is connected with a push block 39, and both ends of the push block 39 are arranged as triangular push heads. The fourth gear 37 is meshed with the first spur rack 371 and the second spur rack 372 for transmission, which is equivalent to a double-stroke mechanism, that is, when the slider 361 and the fourth gear 37 move, the moving distance of the bottom plate 34 and the second spur rack 372 is twice the moving distance of the slider 361 and the fourth gear 37, so that the baffle door 35 can be opened quickly.
[0027] In this embodiment, the clamping mechanism 4 includes a fixed plate 42 and a lifting seat 44, the fixed plate 42 is connected to the main shaft 41, and two sliding rods 43 are slidably connected at both ends of the fixed plate 42, and the upper ends of the two sliding rods 43 are connected to the lifting seat 44, and each of the sliding rods 43 is sleeved with a first spring 431, and the two ends of the first spring 431 are respectively connected to the lifting seat 44 and the fixed plate 42, and two moving blocks 45 are slidably connected to the lifting seat 44, and the moving blocks 45 cross-sectionally extend from the bottom of the lifting seat 44 to the bottom of the lifting seat 44. The surface is a special-shaped structure, each of the moving blocks 45 is connected to a support rod 46, and multiple second springs 461 are connected between the two support rods 46. A through lifting groove 47 is opened in the middle position of the lifting seat 44, and a top block 48 is connected to the top of the main shaft 41. The top of the top block 48 is a wedge-shaped block structure. The adjacent ends of the two moving blocks 45 are provided with inclined surfaces and are against the top block 48. The stiffness coefficient of the second spring 461 is smaller than that of the first spring 431, and the second spring 461 is always in a compressed state.
[0028] In this embodiment, the bottom of the rotating disk 22 is coaxially connected to the second ring gear 25, and a second motor 26 is installed at the bottom of the rotating disk 22. A second gear 261 is coaxially connected to the output shaft of the second motor 26, and the second gear 261 is meshed with the second ring gear 25. The lower end of each main shaft 41 is coaxially connected to a third gear 27, and the third gear 27 is meshed with the second ring gear 25.
[0029] In this embodiment, a two-thirds arc-shaped drying box 5 is installed on the processing table 1. An arc-shaped connecting groove is provided at the bottom of the drying box 5 and is rotatably connected to the rotating disk 22. Openings 51 are provided at both ends of the drying box 5. One end of the opening of the drying box 5 is connected to the inlet and outlet 32 of the spray box 31. A drying component is provided on the inner wall of the drying box 5. The drying component can adopt a heating rod or a hot air pump. The drying box 5 occupies two-thirds of the area of the rotating disk 22, so that two clamping mechanisms 4 carrying sprayed insulators stay in the drying box 5 at the same time, which increases the drying time of the insulators and ensures thorough drying.
[0030] In this embodiment, the transmission ratio of the driving wheel 241 and the groove wheel 243 is 4:1, and the transmission ratio of the first gear 244 and the first gear ring 245 is 16:1, that is, the driving wheel 241 rotates 16 times and the groove wheel rotates 4 times, driving the rotating disk 22 to rotate 90°, just sending the clamping mechanism 4 of the main shaft with the insulator clamped into the spray box 31, completing a workstation switch. The first motor 24 and the second motor 26 both use servo motors, which can accurately control the number of output circles. The second motor 26 will output an integer number of circles each time it works, driving the main shaft 41 to rotate an integer number of circles, so that the push block 39 can return to the initial angle each time the main shaft 41 rotates.
[0031] The working process and principle of the present invention are as follows:
[0032] When in use, a worker will stand in front of the processing table 1 and on one side of the clamping mechanism 4 exposed to the outside, and insert the insulator to be sprayed into the two support rods 46 of the clamping mechanism 4. Under the gravity of the insulator, the lifting seat 44 will descend, and the inclined surface on the top block 48 will be used to push the moving blocks 45 on both sides, so that the two support rods 46 are spread out to both sides to complete the clamping of the insulator. The whole clamping process is simple and fast, which saves the time of replacing the insulator, thereby improving the spraying efficiency.
[0033] After the insulator is clamped, the first motor 24 is turned on, and the driving wheel 241 and the groove wheel 243 are meshed with the first gear 244 and the first gear ring 245, which drives the rotating disk 22 to rotate 90° clockwise, and the clamping mechanism 4 with the clamped insulator is transferred into the spray box 31. During the transportation process, the push block 39 on the main shaft 41 will first contact the roller 362 at the inlet and outlet 32, and the triangular inclined surface at the front end of the push block 39 will be used to push the rollers 362 on both sides, pushing the two sliders 361 to slide to both ends, and at the same time, the connecting rod 363 connected to the slider 361 will push the fourth gear 37 to move, and through the meshing transmission of the fourth gear 37 and the first spur rack 371 and the second spur rack 372, the two bottom plates 34 and the baffle door 35 connected thereto will be respectively Slide toward both sides of the spray box 31, and the distance is twice the movement of the slider 361, so that the inlet and outlet 32 are completely opened, and the clamping mechanism 4 and the insulator are placed into the spray box 31. When the entire clamping mechanism 4 enters the spray box 31, the bottom plate 34 and the baffle 35 are reclosed under the push of the elastic telescopic rod 351, and the entire clamping mechanism 4 and the insulator are enclosed in the spray box 31. At this time, the second motor 26 and the paint pump are turned on, and the second motor 26 will drive the second gear 261 to rotate. Through the meshing transmission of the second gear 261 and the second gear ring 25, the insulator is driven to rotate, so that the anti-pollution flashover paint sprayed by the nozzle 331 is evenly sprayed on the surface of the insulator. Since the entire spray box 31 is closed during spraying, the sprayed atomized paint can be prevented from scattering, thereby ensuring a good working environment for the workers.
[0034] After spraying is completed, the first motor 24 is turned on again, driving the rotating disk 22 to rotate 90° clockwise, and the clamping mechanism 4 will transport the insulators that have just been sprayed out of the spray box 31 and into the drying box 5, so as to achieve seamless connection of drying after spraying, and avoid the traditional transportation that easily causes impurities to be contaminated on the surface of the insulator, affecting the coating effect. During the spraying of the insulators in the spray box 31, the workers can remove the sprayed and dried insulators that have been transported to the clamping station and replace them with insulators to be sprayed, so that spraying, drying and loading and unloading can be carried out simultaneously, shortening the waiting time of the spraying equipment and improving the spraying efficiency. In addition, the newly replaced insulators to be sprayed will rotate with the main shaft 41, and the impurities on the surface will be thrown out by centrifugal force before spraying, so as to ensure the quality of the later spraying.
[0035] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.
Claims
1. A ceramic insulator spraying equipment, characterized in that: The invention comprises a processing table (1) and a transfer mechanism (2), wherein the transfer mechanism (2) is mounted on the processing table (1) and is used to transport insulators, and a spraying mechanism (3) is mounted on the processing table (1) and is used to perform closed spraying on the insulators. The transfer mechanism (2) comprises an annular guide rail (21) and an annular rotating disk (22), wherein the annular guide rail (21) is mounted on the processing table (1), and a plurality of guide blocks (23) are connected to the bottom of the rotating disk (22) in an annular array manner, and the plurality of guide blocks (23) are all slidably connected to the annular guide rail (21), and four main shafts (41) are rotatably connected to the rotating disk (22) in an annular array manner, and each of the main shafts (41) is provided with a clamping mechanism (4) for clamping and fixing the insulators; The spraying mechanism comprises a spraying box (31), wherein the spraying box (31) is mounted on a processing table (1), wherein an arc-shaped connecting groove is provided at the bottom of the spraying box (31) and is rotatably connected to a rotating disk (22), wherein an inlet and outlet (32) are provided at the front and rear sides of the spraying box (31), wherein a material guide pipe (33) is connected to a box wall on one side of the spraying box (31), wherein the material guide pipe (33) is located in the spraying box (31) and is provided with a plurality of nozzles (331), wherein bottom plates (34) are respectively penetrated and slidably connected to the box walls on both sides of the spraying box (31) near the bottom, wherein each bottom plate (34) is connected to a baffle (35) at two inlets and outlets (32), wherein elastic telescopic rods (351) are installed on the inner walls on both sides of the spraying box (31), wherein the movable ends of the elastic telescopic rods (351) are connected to adjacent baffles (35), and wherein the inner walls on the front and rear sides of the spraying box (31) and are located below the bottom plate (34) are connected to two A pair of sliders (36) are slidably connected to each pair of the sliders (36), and a connecting rod (363) is commonly connected between each pair of the sliders (361). One end of each slider (361) close to the inlet and outlet (32) is rotatably connected to a roller (362) via a pin shaft, and the middle position of each connecting rod (363) is rotatably connected to a fourth gear (37) via a pin shaft. A first straight rack (371) is connected to the bottom inner wall of the spray box (31), and a second straight rack (372) is connected to the bottom of each base plate (34). The fourth gear (37) is meshed with the first straight rack (371) and the second straight rack (372) at the same time. A through opening (38) is commonly opened on the two base plates (34) for accommodating a main shaft (41), and each main shaft (41) is connected to a push block (39), and both ends of the push block (39) are arranged as triangular push heads.
2. A ceramic insulator spraying equipment according to claim 1, characterized in that: The clamping mechanism (4) comprises a fixed plate (42) and a lifting seat (44), the fixed plate (42) being connected to the main shaft (41), two sliding rods (43) being slidably connected to the two ends of the fixed plate (42), the upper ends of the two sliding rods (43) being connected to the lifting seat (44), each of the sliding rods (43) being sleeved with a first spring (431), the two ends of the first spring (431) being respectively connected to the lifting seat (44) and the fixed plate (42), and the lifting seat (44) being slidably connected to the two ends of the sliding rods (43). There are two moving blocks (45), the cross section of the moving blocks (45) is a special-shaped structure, each of the moving blocks (45) is connected to a support rod (46), and a plurality of second springs (461) are connected between the two support rods (46). A through lifting groove (47) is provided in the middle of the lifting seat (44), and a top block (48) is connected to the top of the main shaft (41). The top of the top block (48) is a wedge-shaped block structure, and adjacent ends of the two moving blocks (45) are provided with inclined surfaces that abut against the top block (48).
3. The ceramic insulator spraying equipment according to claim 1, characterized in that: A first motor (24) is installed at the bottom of the processing table (1). The first motor (24) is installed at the bottom of the processing table (1). The output shaft of the first motor (24) is coaxially connected to a driving wheel (241). A rotating shaft (242) passes through the processing table (1) and is rotatably connected thereto. The lower end of the rotating shaft (242) is connected to a groove wheel (243). The driving wheel (241) is matched and meshed with the groove wheel (243). The upper end of the rotating shaft (242) is coaxially connected to a first gear (244). The bottom surface of the rotating disk (22) is coaxially connected to a first gear ring (245). The first gear ring (245) is meshed with the first gear (244).
4. The ceramic insulator spraying equipment according to claim 3, characterized in that: The bottom of the rotating disk (22) is coaxially connected to a second gear ring (25), a second motor (26) is installed at the bottom of the rotating disk (22), a second gear (261) is coaxially connected to the output shaft of the second motor (26), the second gear (261) is meshed with the second gear ring (25), and the lower end of each main shaft (41) is coaxially connected to a third gear (27), the third gear (27) is meshed with the second gear ring (25).
5. The ceramic insulator spraying equipment according to claim 1, characterized in that: A two-thirds arc-shaped drying box (5) is installed on the processing table (1); an arc-shaped connecting groove is provided at the bottom of the drying box (5) and is rotatably connected to the rotating disk (22); openings (51) are provided at both ends of the drying box (5); one end of the opening of the drying box (5) is connected to the inlet and outlet (32) of the spray box (31); and a drying component is provided on the inner wall of the drying box (5).
6. The ceramic insulator spraying equipment according to claim 4, characterized in that: The transmission ratio between the driving wheel (241) and the groove wheel (243) is 4:1, the transmission ratio between the first gear (244) and the first gear ring (245) is 16:1, and both the first motor (24) and the second motor (26) are servo motors.
Citation Information
Patent Citations
Spraying device for cable production
CN116871135A
Spraying device for insulator
CN117861928A