Dual motor three position electrically operated device

Abstract

This invention discloses a dual-motor, three-position electric operating device, comprising a mechanism housing and, mounted on the mechanism housing, an isolation motor drive mechanism, a grounding motor drive mechanism, an isolation auxiliary switch mechanism, a grounding auxiliary switch mechanism, and a one-button sequential control device. The isolation motor drive mechanism and the grounding motor drive mechanism are arranged parallel to each other and spaced apart. The isolation auxiliary switch mechanism is located outside the isolation motor drive mechanism; the grounding auxiliary switch mechanism is located outside the grounding motor drive mechanism; the one-button sequential control device is located above and between the isolation motor drive mechanism and the grounding motor drive mechanism. The isolation motor drive mechanism is linked to both the isolation auxiliary switch mechanism and the one-button sequential control device; the grounding motor drive mechanism is linked to both the grounding auxiliary switch mechanism and the one-button sequential control device. This invention enables more reliable and accurate transmission of auxiliary switch signals and can meet the one-button sequential control signal transmission requirements for any output angle of the output shaft.

Description

Technical Field

[0001] This invention relates to the field of electric operating mechanism technology, specifically a dual-motor three-position electric operating device. Background Technology

[0002] Dual-motor, three-position electric actuators are widely used in gas-insulated, metal-enclosed switchgear (GIS) for isolating and grounding switches, performing operations such as isolating closing, isolating opening, grounding closing, and grounding opening. To ensure accurate feedback of switch status, these actuators are typically equipped with auxiliary switches to ensure reliable transmission of opening and closing signals, and are equipped with one-button sequential control devices to meet automation requirements.

[0003] However, in existing technologies, the auxiliary switch transmission system of three-position electric mechanisms often adopts a simple mechanical linkage structure. When the switch is in the opening or closing position, due to the mechanical vibration of the transmission components, the signal output by the auxiliary switch often experiences instantaneous fluctuations, manifesting as unstable signals such as "closing-opening-closing." This results in the control backend receiving chaotic or erroneous signals, affecting the system's logical judgment and operational reliability. Furthermore, the one-button sequential control devices in existing mechanisms are mostly single-set transmission structures, which cannot adapt to the different output angles required for isolation and grounding operations (especially when the required output angle is greater than 180°). This makes it difficult to meet the sequential control requirements of dual output angles, limiting its applicability in complex operating conditions.

[0004] Therefore, providing a dual-motor, three-position electric operating device is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] In view of this, the present invention provides a dual-motor three-position electric operating device that can effectively suppress signal jitter and adapt to different output angle requirements.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A dual-motor, three-position electric operating device includes a mechanism housing and, mounted on the mechanism housing, an isolation motor drive mechanism, a grounding motor drive mechanism, an isolation auxiliary switch mechanism, a grounding auxiliary switch mechanism, and a one-button sequential control device. The isolation motor drive mechanism and the grounding motor drive mechanism are arranged parallel to each other and spaced apart. The isolation auxiliary switch mechanism is located outside the isolation motor drive mechanism. The grounding auxiliary switch mechanism is located outside the grounding motor drive mechanism. The one-button sequential control device is located above and between the isolation motor drive mechanism and the grounding motor drive mechanism. The isolation motor drive mechanism is linked to both the isolation auxiliary switch mechanism and the one-button sequential control device. The grounding motor drive mechanism is linked to both the grounding auxiliary switch mechanism and the one-button sequential control device.

[0008] Furthermore, the mechanism box includes a box body, a support plate, a lower fixed plate, an upper fixed plate, and a motor fixed plate. The support plate is fixedly connected to the box body by bolts. The lower fixed plates are bolted to the top of the support plate and spaced apart. The upper fixed plate is mounted above the lower fixed plate by studs. The motor fixed plate is fixed to one side between the upper and lower fixed plates. The isolation motor drive mechanism and the grounding motor drive mechanism are both mounted on the motor fixed plate and extend between the upper and lower fixed plates. The isolation auxiliary switch mechanism and the grounding auxiliary switch mechanism are both mounted on the support plate. The one-button sequential control device is mounted on the upper fixed plate.

[0009] Furthermore, the isolation motor drive mechanism includes an isolation motor, an isolation ball screw, an isolation screw slider, an isolation first lever, and an isolation second lever. The upper fixed plate has an upper isolation guide hole on one side, and the lower fixed plate has a lower isolation guide hole corresponding to the upper isolation guide hole. The isolation motor is mounted on the motor fixed plate. The isolation ball screw is connected to the output end of the isolation motor via a coupling, and the isolation ball screw is located between the upper fixed plate and the lower fixed plate. The isolation screw slider is screwed onto the isolation ball screw. The isolation first lever is fixed to the top of the isolation screw slider and passes through the upper isolation guide hole to be linked with the one-button sequential control device. The isolation second lever is fixed to the bottom of the isolation screw slider and passes through the lower isolation guide hole to be linked with the isolation auxiliary switch mechanism. The grounding motor drive mechanism includes a grounding motor, a grounding ball screw, a grounding screw slider, a first grounding lever, and a second grounding lever. The upper fixed plate has an upper grounding guide hole on its other side, and the lower fixed plate has a lower grounding guide hole corresponding to the upper grounding guide hole. The grounding motor is mounted on the motor fixed plate. The grounding ball screw is connected to the output end of the grounding motor via a coupling, and the grounding ball screw is located between the upper and lower fixed plates. The grounding ball screw is parallel to and spaced apart from the isolation ball screw. The grounding screw slider is screwed onto the grounding ball screw. The first grounding lever is fixed to the top of the grounding screw slider and passes through the upper grounding guide hole for linkage with the one-button sequential control device. The second grounding lever is fixed to the bottom of the grounding screw slider and passes through the lower grounding guide hole for linkage with the grounding auxiliary switch mechanism.

[0010] Furthermore, the isolation auxiliary switch mechanism includes an isolation auxiliary switch, an isolation switch fisheye indicator, an isolation auxiliary switch bevel gear, an isolation auxiliary switch damping bevel gear, an isolation auxiliary switch fixing pin, an isolation auxiliary switch damping spring, and an isolation auxiliary switch drive connecting plate. The isolation auxiliary switch is mounted on the support plate; the isolation switch fisheye indicator is mounted on the housing; the isolation auxiliary switch is connected to the isolation switch fisheye indicator via a coupling; the isolation auxiliary switch bevel gear is mounted on the rotating shaft of the isolation auxiliary switch; the isolation auxiliary switch damping bevel gear is rotatably connected to the support plate and meshes with the isolation auxiliary switch bevel gear; the isolation auxiliary switch fixing pin passes through the isolation auxiliary switch damping bevel gear to be fixedly connected to the support plate; the isolation auxiliary switch damping spring is sleeved on the rod of the isolation auxiliary switch fixing pin and pressed between the head of the isolation auxiliary switch fixing pin and the isolation auxiliary switch damping bevel gear; the isolation auxiliary switch drive connecting plate is fixed on the shaft of the isolation auxiliary switch damping bevel gear and corresponds to the position of the second isolation lever to drive its rotation. The grounding auxiliary switch mechanism includes a grounding auxiliary switch, a grounding switch fisheye indicator, a grounding auxiliary switch bevel gear, a grounding auxiliary switch damping bevel gear, a grounding auxiliary switch fixing pin, a grounding auxiliary switch damping spring, and a grounding auxiliary switch drive plate. The grounding auxiliary switch is mounted on the support plate; the grounding switch fisheye indicator is mounted on the housing; the grounding auxiliary switch is connected to the grounding switch fisheye indicator via a coupling; the grounding auxiliary switch bevel gear is mounted on the rotating shaft of the grounding auxiliary switch; the grounding auxiliary switch damping bevel gear is rotatably connected to the support plate and meshes with the grounding auxiliary switch bevel gear; the grounding auxiliary switch fixing pin passes through the grounding auxiliary switch damping bevel gear to be fixedly connected to the support plate; the grounding auxiliary switch damping spring is sleeved on the rod of the grounding auxiliary switch fixing pin and pressed between the head of the grounding auxiliary switch fixing pin and the grounding auxiliary switch damping bevel gear; the grounding auxiliary switch drive plate is fixed on the shaft of the grounding auxiliary switch damping bevel gear and corresponds to the position of the second grounding lever to drive its rotation.

[0011] Furthermore, the one-button sequential control device includes an output shaft, a main drive wheel, a secondary drive wheel, a fixed shaft, a main driven wheel, a secondary driven wheel, a center dial plate, a one-button sequential control damping spring, a main drive micro switch group, and a secondary drive micro switch group. The output shaft is rotatably connected to the upper fixed plate. The main drive wheel and the secondary drive wheel are both sleeved and fixed on the output shaft and arranged in layers. The fixed shaft is fixed to the upper fixed plate. The main driven wheel and the secondary driven wheel are rotatably connected to the fixed shaft and arranged in layers. The main driven wheel and the secondary driven wheel are connected together by a fixing pin. The main driven wheel is connected to the main drive wheel by gear meshing, and the secondary driven wheel is connected to the secondary drive wheel by gear meshing. The main driven wheel has a meshing surface in the clockwise direction on its meshing surface. The drive wheel has a multi-tooth structure with a missing tooth structure on its counterclockwise meshing surface; the driven wheel has a multi-tooth structure on its counterclockwise meshing surface and a missing tooth structure on its clockwise meshing surface; the center lever is fixedly connected to the fixed shaft by a key, and the two sides of the center lever correspond to the positions of the isolation first lever and the grounding first lever, respectively, to drive the center lever to rotate clockwise or counterclockwise; the top of the fixed shaft is provided with a retaining ring, and the one-key sequential control damping spring is sleeved on the fixed shaft and pressed between the retaining ring and the driven wheel; the main drive micro switch assembly is mounted on the upper fixed plate and corresponds to the position of the main drive wheel; the secondary drive micro switch assembly is mounted on the upper fixed plate and corresponds to the position of the driven wheel.

[0012] Furthermore, the driving and driven wheels include a main wheel body, a main sector tooth, and a main connecting plate connected as one unit; the driven and driven wheels include a driven and driven wheel body, a driven and driven sector tooth, and a driven and driven plate connected as one unit. The main wheel body and the driven and driven wheel bodies are rotatably connected to the fixed shaft and arranged in layers. The main connecting plate and the driven and driven plate are connected by the fixing pin. The side of the main wheel body that connects to the right side of the main sector tooth is an inclined plane to form a main release space. The side of the driven and driven wheel body that connects to the left side of the driven and driven sector tooth is an inclined plane to form a secondary release space. The circumferential side of the main sector tooth is provided with a first main tooth and a second main tooth spaced apart. The main gear and the secondary sector gear have a first secondary tooth and a second secondary tooth spaced apart on their circumferential side surfaces. The first main tooth and the first secondary tooth are vertically opposite each other, and the second main tooth and the second secondary tooth are symmetrically distributed horizontally. The second main tooth is located below the secondary release space, and the second secondary tooth is located above the main release space. The main drive wheel has two main drive teeth spaced apart on its circumferential side surfaces, which mesh with the first main tooth and the second main tooth respectively when rotating counterclockwise. The secondary drive wheel has two secondary drive teeth spaced apart on its circumferential side surfaces, which mesh with the first secondary tooth and the second secondary tooth respectively when rotating clockwise.

[0013] Furthermore, the main drive micro switch group includes a first main drive micro switch and a second main drive micro switch. The first main drive micro switch and the second main drive micro switch are located on both sides of the main driven wheel and are diagonally distributed. The drive rod of the first main drive micro switch corresponds to the circumferential side of the main wheel body near the inclined plane, and the drive rod of the second main drive micro switch corresponds to the side of the main connecting plate. The auxiliary drive micro switch group includes a first auxiliary drive micro switch and a second auxiliary drive micro switch. The first auxiliary drive micro switch and the second auxiliary drive micro switch are located on both sides of the auxiliary driven wheel and are diagonally distributed. The drive rod of the first auxiliary drive micro switch corresponds to the circumferential side of the auxiliary wheel body near the inclined plane, and the drive rod of the second auxiliary drive micro switch corresponds to the side of the auxiliary connecting plate.

[0014] Therefore, the present invention provides a dual-motor, three-position electric operating device, which, compared with the prior art, has the following advantages: 1) Stable and reliable signal transmission By adding a damping spring and a damping bevel gear structure to the auxiliary switch transmission system, mechanical vibration during the movement of the drive plate is eliminated, making the auxiliary switch signal output stable when the opening and closing positions are reached. This avoids problems such as instantaneous signal fluctuations and false alarms in the existing technology, and improves the judgment accuracy of the control backend and the reliability of the system.

[0015] 2) Meets the requirements for dual-output angle sequential control The one-key sequential control unit adopts a dual-gear layered design and a multi-tooth / missing-tooth structure, which allows the output shaft to be driven by different gear pairs in different rotation directions during isolation and grounding operations. This enables independent sequential control signal transmission that is independent of the output angle, and can adapt to different output angles required for isolation and grounding (including cases greater than 180°), thus expanding the applicable scenarios of the mechanism.

[0016] 3) Compact structure and high integration Both the damping structure and the one-key sequential control structure are integrated into the existing transmission layout without significantly increasing the overall size of the mechanism, making it easy to replace or upgrade existing GIS equipment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0018] Figure 1 The attached figure is a schematic diagram of the overall structure of a dual-motor three-position electric operating device provided by the present invention; Figure 2 The attached figure is a structural schematic diagram of a dual-motor three-position electric operating device provided by the present invention, excluding the housing portion; Figure 3 The attached figure is a structural schematic diagram of the dual-motor three-position electric operating device provided by the present invention, after removing the housing part; Figure 4 The attached figure is a schematic diagram of the one-button sequential control device provided by the present invention; Figure 5 The attached figure is a schematic diagram of the driving and driven wheel provided by the present invention. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] like Figure 1-5 As shown in the figure, this invention discloses a dual-motor three-position electric operating device, including a mechanism housing 1 and an isolation motor drive mechanism 2, a grounding motor drive mechanism 3, an isolation auxiliary switch mechanism 4, a grounding auxiliary switch mechanism 5, and a one-key sequential control device 6 mounted on the mechanism housing 1. The isolation motor drive mechanism 2 and the grounding motor drive mechanism 3 are arranged parallel to each other and spaced apart. The isolation auxiliary switch mechanism 4 is located outside the isolation motor drive mechanism 2; the grounding auxiliary switch mechanism 5 is located outside the grounding motor drive mechanism 3; the one-key sequential control device 6 is located above and between the isolation motor drive mechanism 2 and the grounding motor drive mechanism 3. The isolation motor drive mechanism 2 is linked to the isolation auxiliary switch mechanism 4 and the one-key sequential control device 6, respectively; the grounding motor drive mechanism 3 is linked to the grounding auxiliary switch mechanism 5 and the one-key sequential control device 6, respectively. This invention effectively reduces the jitter of the auxiliary switch signal transmission, making the auxiliary switch signal transmission more reliable and accurate, and can meet the one-key sequential control signal transmission requirements of any output angle of the output shaft.

[0021] Specifically, the mechanism box 1 includes a box body 11, a support plate 12, a lower fixed plate 13, an upper fixed plate 14, and a motor fixing plate 15. The support plate 12 is fixedly connected to the box body 11 by bolts. The lower fixed plate 13 is installed on the top of the support plate 12 by bolts and is spaced apart. The upper fixed plate 14 is installed above the lower fixed plate 13 by studs. The motor fixing plate 15 is fixed on one side between the upper fixed plate 14 and the lower fixed plate 13. The isolation motor drive mechanism 2 and the grounding motor drive mechanism 3 are both installed on the motor fixing plate 15 and extend between the upper fixed plate 14 and the lower fixed plate 13. The isolation auxiliary switch mechanism 4 and the grounding auxiliary switch mechanism 3 are both installed on the support plate 12. The one-button sequential control device 6 is installed on the upper fixed plate 14.

[0022] Specifically, the isolation motor drive mechanism 2 includes an isolation motor 21, an isolation ball screw 22, an isolation screw slider 23, an isolation first lever 24, and an isolation second lever 25. The upper fixed plate 14 has an upper isolation guide hole 141 on one side, and the lower fixed plate 13 has a lower isolation guide hole corresponding to the upper isolation guide hole 141. The isolation motor 21 is mounted on the motor fixed plate 15. The isolation ball screw 22 is connected to the output end of the isolation motor 21 via a coupling, and the isolation ball screw 22 is located between the upper fixed plate 14 and the lower fixed plate 13. The isolation screw slider 23 is screwed onto the isolation ball screw 22. The isolation first lever 24 is fixed to the top of the isolation screw slider 23 and passes through the upper isolation guide hole 141 to be linked with the one-button sequential control device 6. The isolation second lever 25 is fixed to the bottom of the isolation screw slider 23 and passes through the lower isolation guide hole to be linked with the isolation auxiliary switch mechanism 4. The grounding motor drive mechanism 3 includes a grounding motor 31, a grounding ball screw 32, a grounding screw slider 33, a grounding first lever 34, and a grounding second lever 35. The upper fixed plate 14 has an upper grounding guide hole 142 on the other side, and the lower fixed plate 13 has a lower grounding guide hole corresponding to the upper grounding guide hole 142. The grounding motor 31 is mounted on the motor fixed plate 15. The grounding ball screw 32 is connected to the output end of the grounding motor 31 through a coupling, and the grounding ball screw 32 is located between the upper fixed plate 14 and the lower fixed plate 13. The grounding ball screw 32 is parallel to and spaced apart from the isolation ball screw 22. The grounding screw slider 33 is screwed onto the grounding ball screw 32. The grounding first lever 34 is fixed to the top of the grounding screw slider 33 and passes through the upper grounding guide hole 142 to be linked with the one-key sequential control device 6. The grounding second lever 35 is fixed to the bottom of the grounding screw slider 33 and passes through the lower grounding guide hole to be linked with the grounding auxiliary switch mechanism 5.

[0023] Specifically, the isolation auxiliary switch mechanism 4 includes an isolation auxiliary switch 41, an isolation switch fisheye indicator 42, an isolation auxiliary switch bevel gear 43, an isolation auxiliary switch damping bevel gear 44, an isolation auxiliary switch fixing pin 45, an isolation auxiliary switch damping spring 46, and an isolation auxiliary switch drive connecting plate 47. The isolation auxiliary switch 41 is mounted on the support plate 12; the isolation switch fisheye indicator 42 is mounted on the housing 11; the isolation auxiliary switch 41 is connected to the isolation switch fisheye indicator 42 via a coupling; the isolation auxiliary switch bevel gear 43 is mounted on the rotating shaft of the isolation auxiliary switch 41; the isolation... The auxiliary switch damping bevel gear 44 is rotatably connected to the support plate 12 and meshes with the isolation auxiliary switch bevel gear 43; the isolation auxiliary switch fixing pin 45 passes through the isolation auxiliary switch damping bevel gear 44 to be fixedly connected to the support plate 12; the isolation auxiliary switch damping spring 46 is sleeved on the rod of the isolation auxiliary switch fixing pin 45 and pressed between the head of the isolation auxiliary switch fixing pin 45 and the isolation auxiliary switch damping bevel gear 44; the isolation auxiliary switch drive connecting plate 47 is fixed on the shaft of the isolation auxiliary switch damping bevel gear 44 and corresponds to the position of the isolation second lever 25 to drive its rotation; The grounding auxiliary switch mechanism 5 includes a grounding auxiliary switch 51, a grounding switch fisheye indicator 52, a grounding auxiliary switch bevel gear 53, a grounding auxiliary switch damping bevel gear 54, a grounding auxiliary switch fixing pin 55, a grounding auxiliary switch damping spring 56, and a grounding auxiliary switch drive connecting plate 57. The grounding auxiliary switch 51 is mounted on the support plate 12; the grounding switch fisheye indicator 52 is mounted on the housing 11; the grounding auxiliary switch 51 is connected to the grounding switch fisheye indicator 52 via a coupling; the grounding auxiliary switch bevel gear 53 is mounted on the rotating shaft of the grounding auxiliary switch 51; the grounding auxiliary... The switch damping bevel gear 54 is rotatably connected to the support plate 12 and meshes with the grounding auxiliary switch bevel gear 53; the grounding auxiliary switch fixing pin 55 passes through the grounding auxiliary switch damping bevel gear 54 to be fixedly connected to the support plate 12; the grounding auxiliary switch damping spring 56 is sleeved on the rod of the grounding auxiliary switch fixing pin 55 and pressed between the head of the grounding auxiliary switch fixing pin 55 and the grounding auxiliary switch damping bevel gear 54; the grounding auxiliary switch drive connecting plate 57 is fixed on the shaft of the grounding auxiliary switch damping bevel gear 54 and corresponds to the position of the grounding second lever 35 to drive its rotation.

[0024] Of course, in some embodiments, the isolation auxiliary switch drive plate 47 has an arc-shaped hole corresponding to the position of the isolation second lever 25, so that the linear movement of the isolation second lever 25 drives the isolation auxiliary switch drive plate 47 to rotate; correspondingly, the grounding auxiliary switch drive plate 57 has an arc-shaped hole corresponding to the position of the grounding second lever 35, so that the linear movement of the grounding second lever 35 drives the grounding auxiliary switch drive plate 57 to rotate.

[0025] Specifically, the one-button sequential control device 6 includes an output shaft 61, a main drive wheel 62, a secondary drive wheel 63, a fixed shaft 64, a main driven wheel 65, a secondary driven wheel 66, a center dial plate 67, a one-button sequential control damping spring 68, a main drive micro switch group, and a secondary drive micro switch group. The output shaft 61 is rotatably connected to the upper fixed plate 14. The main drive wheel 62 and the secondary drive wheel 63 are both sleeved and fixed on the output shaft 61 and arranged in layers. The fixed shaft 64 is fixed on the upper fixed plate 14. The main driven wheel 65 and the secondary driven wheel 66 are rotatably connected to the fixed shaft 64 and arranged in layers. The main driven wheel 65 and the secondary driven wheel 66 are connected together by a fixing pin 69. The main driven wheel 65 is connected to the main drive wheel 62 by gear meshing, and the secondary driven wheel 66 is connected to the secondary drive wheel 63 by gear meshing. The main driven wheel 65 is connected to the main drive wheel 62 by gear meshing, and the main driven wheel 65 is connected to the secondary drive wheel 63 by gear meshing. The meshing surface in the needle direction has a multi-tooth structure, and the meshing surface in the counterclockwise direction has a missing tooth structure; the auxiliary driven wheel 66 has a multi-tooth structure on its counterclockwise meshing surface and a missing tooth structure on its clockwise meshing surface; the center dial plate 67 is fixedly connected to the fixed shaft 64 by a key, and the two sides of the center dial plate 67 correspond to the positions of the isolation first dial 34 and the grounding first dial 24, respectively, so as to drive the center dial plate 67 to rotate clockwise or counterclockwise; the top of the fixed shaft 64 is provided with a retaining ring, and a one-key sequential control damping spring 68 is sleeved on the fixed shaft 64 and pressed between the retaining ring and the auxiliary driven wheel 66; the main drive micro switch group is installed on the upper fixed plate 14 and corresponds to the position of the main driven wheel 65; the auxiliary drive micro switch group is installed on the upper fixed plate 14 and corresponds to the position of the auxiliary driven wheel 66.

[0026] Of course, in some embodiments, the center dial plate 67 has arc-shaped holes on both sides corresponding to the positions of the isolation first dial 34 and the grounding first dial 24, respectively, to drive the center dial plate 67 to rotate clockwise or counterclockwise.

[0027] Specifically, the driven wheel 65 includes a main wheel body 651, a main sector tooth 652, and a main connecting plate 653 connected as one unit. The driven wheel 66 includes a secondary wheel body, a secondary sector tooth, and a secondary connecting plate connected as one unit. The main wheel body 651 and the secondary wheel body are rotatably connected to the fixed shaft 64 and arranged in layers. The main connecting plate 653 and the secondary connecting plate are connected by a fixing pin 69. The side of the main wheel body 651 that connects with the right side of the main sector tooth 652 is an inclined plane to form a main release space. The side of the secondary wheel body that connects with the left side of the secondary sector tooth is an inclined plane to form a secondary release space. The circumferential side of the main sector tooth 652 is provided with spaced first main teeth 6. The main drive wheel 62 has two main drive teeth spaced apart on its circumferential side. The first main tooth 6521 and the first auxiliary tooth are vertically aligned. The second main tooth 6522 and the second auxiliary tooth are symmetrically distributed horizontally. The second main tooth 6522 is located below the auxiliary release space, and the second auxiliary tooth is located above the main release space. The main drive wheel 62 has two main drive teeth spaced apart on its circumferential side, which mesh with the first main tooth 6521 and the second main tooth 6522 respectively when rotating counterclockwise. The auxiliary drive wheel has two auxiliary drive teeth spaced apart on its circumferential side, which mesh with the first auxiliary tooth and the second auxiliary tooth respectively when rotating clockwise.

[0028] Specifically, the main drive micro switch group includes a first main drive micro switch 610 and a second main drive micro switch 611. The first main drive micro switch 610 and the second main drive micro switch 611 are located on both sides of the main driven wheel 65 and are diagonally distributed. The drive rod of the first main drive micro switch 610 corresponds to the circumferential side of the main wheel body 651 near the inclined plane, and the drive rod of the second main drive micro switch 611 corresponds to the side of the main connecting plate 653. The auxiliary drive micro switch group includes a first auxiliary drive micro switch 612 and a second auxiliary drive micro switch 613. The first auxiliary drive micro switch 612 and the second auxiliary drive micro switch 613 are located on both sides of the auxiliary driven wheel 66 and are diagonally distributed. The drive rod of the first auxiliary drive micro switch 612 corresponds to the circumferential side of the auxiliary wheel body near the inclined plane, and the drive rod of the second auxiliary drive micro switch 613 corresponds to the side of the auxiliary connecting plate.

[0029] Working principle of the invention: Isolation closing process: The isolation motor 21 rotates clockwise and drives the isolation ball screw 22 to rotate clockwise through the coupling. The isolation screw slider 23 moves linearly. The isolation first lever 24 on the isolation screw slider 23 moves along the upper isolation guide hole 141, which actuates the center lever 67 to rotate clockwise. The center lever 67 drives the fixed shaft 64 to rotate clockwise through the key. The output shaft 61 rotates counterclockwise under the drive of the fixed shaft 64. The output isolation closing requires an angle.

[0030] During the isolation closing process, the isolation second lever 25 on the isolation screw slider 23 moves the isolation auxiliary switch drive plate 47 to rotate. The rotation of the isolation auxiliary switch damping bevel gear 44 drives the isolation auxiliary switch bevel gear 43 to rotate, thereby closing the isolation auxiliary switch 41 and sending an isolation closed signal to the control background.

[0031] During the isolation and closing process, in the initial position, both the first main drive micro switch 610 and the first auxiliary drive micro switch 612 are in the compressed position (i.e., the drive rod of the first main drive micro switch 610 is pressed against the circumferential side of the main wheel body 651 near the inclined plane, and the drive rod of the first auxiliary drive micro switch 612 is pressed against the circumferential side of the auxiliary wheel body near the inclined plane), while the second main drive micro switch 611 and the second auxiliary drive micro switch 613 are in the released state (the drive rod of the second main drive micro switch 611 is separated from the side of the main connecting plate 653, and the drive rod of the second auxiliary drive micro switch 613 is separated from the side of the auxiliary connecting plate).

[0032] When the electric operating mechanism outputs the main angle by rotating the output shaft 61 counterclockwise, the output shaft 61 drives the main drive wheel 62 and the auxiliary drive wheel 63 to rotate counterclockwise. The main drive wheel 62 drives the main driven wheel 65 to rotate clockwise (the drive rod of the first main drive micro switch 610 is closer to the main release space direction), and the auxiliary drive wheel 63 drives the auxiliary driven wheel 66 to rotate clockwise (the drive rod of the first auxiliary drive micro switch 612 is away from the auxiliary release space direction). Because the driven wheel 66 has a tooth-deficient structure in the clockwise direction, when it rotates clockwise, the auxiliary transmission teeth on the other side of the driven wheel 63 cannot mesh with it. Thus, when the output shaft 61 rotates through the main output angle, the driven wheel 66 and the main and driven wheels 63 rotate through the same angle. The first auxiliary transmission micro switch 612 is still in the compressed position, and the second auxiliary transmission micro switch 613 is still in the released state. Due to the multi-tooth structure design of the main and driven wheels 63 in the clockwise direction, when the output shaft 61 rotates through the main output angle, the main drive teeth on the other side of the main drive wheel 62 can mesh with the second main teeth 6522, causing the main and driven wheels 63 to rotate through the main output angle. This causes the drive rod of the first main drive micro switch 610 to enter the main release space, changing from the compressed state to the released state. The drive rod of the second main drive micro switch 611 is in close contact with the side of the main connecting plate 653, changing from the released state to the compressed state, thereby sending an isolation closed signal to the control backend.

[0033] Isolation tripping process: The isolation motor 21 rotates counterclockwise and drives the isolation ball screw 22 to rotate counterclockwise through the coupling. The isolation screw slider 23 moves linearly. The isolation first lever 24 on the isolation screw slider 23 moves along the upper isolation guide hole 141, which drives the center lever 67 to rotate counterclockwise. The center lever 67 drives the fixed shaft 64 to rotate counterclockwise through the key. The output shaft 61 rotates clockwise under the drive of the fixed shaft 64. The output isolation tripping requires an angle.

[0034] During the isolation tripping process, the isolation second lever 25 on the isolation screw slider 23 drives the isolation auxiliary switch drive plate 47 to rotate, and the isolation auxiliary switch damping bevel gear 44 rotates, which in turn drives the isolation auxiliary switch bevel gear 43 to rotate, thereby causing the isolation auxiliary switch 41 to trip and sending an isolation tripping signal to the control background.

[0035] During the isolation and tripping process, in the initial position, the first main drive micro switch 610 and the first auxiliary drive micro switch 612 are both in the compressed position, while the second main drive micro switch 611 and the second auxiliary drive micro switch 613 are in the released state.

[0036] When the electric operating mechanism outputs a secondary angle by rotating the output shaft 61 clockwise, the output shaft 61 drives the main drive wheel 62 and the secondary drive wheel 63 to rotate clockwise. The main drive wheel 62 drives the main driven wheel 63 to rotate counterclockwise (the drive rod of the first main drive micro switch 610 moves away from the main release space direction), and the secondary drive wheel 63 drives the secondary driven wheel 66 to rotate counterclockwise (the drive rod of the first secondary drive micro switch 612 moves closer to the secondary release space direction). Because the main and driven wheels 65 have a tooth-deficient structure in the counterclockwise direction, when they rotate counterclockwise, the main drive teeth on the other side of the main drive wheel 62 cannot mesh with them; when the output shaft 61 rotates through the secondary output angle, the main and driven wheels 65 and the secondary driven wheel 66 rotate through the same angle, the first main drive micro switch 610 is still in the compressed position, and the second main drive micro switch 611 is still in the released state; Because the auxiliary driven wheel 66 has a multi-tooth structure design in the counterclockwise direction, when the output shaft 61 rotates through the auxiliary output angle, the auxiliary transmission teeth on the other side of the auxiliary transmission wheel 63 can mesh with the second auxiliary teeth, causing the auxiliary driven wheel 66 to rotate the main output angle. This causes the drive rod of the first auxiliary transmission micro switch 612 to enter the auxiliary release space, changing from the compressed state to the released state. The second auxiliary transmission micro switch 613 changes from the released state to the compressed state, thereby sending an isolation trip signal to the control backend.

[0037] Grounding closing process: The grounding motor 31 rotates clockwise and drives the grounding ball screw 32 to rotate clockwise through the coupling. The grounding screw slider 33 moves linearly, and the grounding first lever 34 on the grounding screw slider 33 moves along the upper grounding guide hole 142, driving the center lever 67 to rotate counterclockwise. The center lever 67 drives the fixed shaft 64 to rotate counterclockwise through the key. The output shaft 61 rotates clockwise under the drive of the fixed shaft 64. The output grounding closing angle is required.

[0038] During the grounding closing process, the grounding second lever 35 on the grounding screw slider 33 drives the grounding auxiliary switch drive plate 57 to rotate, and the grounding auxiliary switch damping bevel gear 54 rotates, which in turn drives the grounding auxiliary switch bevel gear 53 to rotate, thereby closing the grounding auxiliary switch 51 and sending a grounding closed signal to the control background.

[0039] During the grounding closing process, the output shaft 61 rotates clockwise, driving the auxiliary drive wheel 63 to rotate clockwise. The clockwise rotation of the auxiliary drive wheel 63 drives the auxiliary driven wheel 66 to rotate counterclockwise. Due to the multi-tooth structure design of the auxiliary driven wheel 66 in the counterclockwise direction, the state of the micro switch that cooperates with it changes during the counterclockwise rotation. The micro switch that was originally in the compressed state becomes the released state, and the micro switch that was originally in the released state becomes the compressed state, thereby sending a grounding closed signal to the control background.

[0040] During the grounding closing process, the output shaft 61 rotates clockwise, driving the main drive wheel 62 to rotate clockwise. The clockwise rotation of the main drive wheel 62 drives the main driven wheel 65 to rotate counterclockwise. Due to the tooth-deficient structure design of the main driven wheel 65 in the counterclockwise direction, when it rotates counterclockwise, the teeth on the other side of the main drive wheel 62 that it cooperates with cannot mesh with it. During the rotation, it does not affect the angle output under the action of the auxiliary drive wheel 63, and the state of the micro switch that it cooperates with does not change.

[0041] Grounding tripping process: The grounding motor 31 rotates counterclockwise and drives the grounding ball screw 32 to rotate counterclockwise through the coupling. The grounding screw slider 33 moves linearly, and the grounding first lever 34 on the grounding screw slider 33 moves along the upper grounding guide hole, driving the center lever 67 to rotate clockwise. The center lever 67 drives the lever fixing shaft 64 to rotate clockwise through the key. The output shaft 61 rotates counterclockwise under the drive of the lever fixing shaft 64 to output the required angle for grounding tripping.

[0042] During the grounding tripping process, the grounding second lever 35 on the grounding screw slider 33 drives the grounding auxiliary switch drive plate 57 to rotate, and the grounding auxiliary switch damping bevel gear 54 rotates, which in turn drives the grounding auxiliary switch bevel gear 53 to rotate, thereby causing the grounding auxiliary switch 51 to trip and sending a grounding tripping signal to the control background.

[0043] During the grounding tripping process, the output shaft 61 rotates counterclockwise, driving the auxiliary drive wheel 63 to rotate counterclockwise. Since the auxiliary driven wheel 66 and the auxiliary drive wheel 63 are in a meshing state, the counterclockwise rotation of the auxiliary drive wheel 63 drives the auxiliary driven wheel 66 to rotate clockwise. The state of the micro switch that is in cooperation with it changes. The micro switch that was originally in the compressed state becomes the released state, and the micro switch that was originally in the released state becomes the compressed state, thereby sending a grounding tripping signal to the control background.

[0044] During the grounding tripping process, the output shaft 61 rotates counterclockwise, driving the main drive wheel 62 to rotate counterclockwise. Since the main driven wheel 65 cannot mesh with the main driven wheel, the counterclockwise rotation of the main drive wheel 62 does not affect the angle output under the action of the auxiliary drive wheel 63, and the state of the micro switch that cooperates with it does not change.

[0045] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0046] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dual-motor, three-station, power operated device characterized by, It includes a mechanism housing and an isolation motor drive mechanism, a grounding motor drive mechanism, an isolation auxiliary switch mechanism, a grounding auxiliary switch mechanism, and a one-button sequential control device installed on the mechanism housing. The isolation motor drive mechanism and the grounding motor drive mechanism are arranged parallel to each other and at intervals. The isolation auxiliary switch mechanism is located outside the isolation motor drive mechanism; the grounding auxiliary switch mechanism is located outside the grounding motor drive mechanism; the one-button sequential control device is located above and between the isolation motor drive mechanism and the grounding motor drive mechanism. The isolation motor drive mechanism is linked to the isolation auxiliary switch mechanism and the one-button sequential control device respectively; the grounding motor drive mechanism is linked to the grounding auxiliary switch mechanism and the one-button sequential control device respectively.

2. A dual motor, three position power operator as set forth in claim 1, wherein, The mechanism box includes a box body, a support plate, a lower fixed plate, an upper fixed plate, and a motor fixing plate. The support plate is fixedly connected to the box body by bolts. The lower fixed plates are bolted to the top of the support plate and spaced apart. The upper fixed plate is installed above the lower fixed plate by studs. The motor fixing plate is fixed to one side between the upper fixed plate and the lower fixed plate. The isolation motor drive mechanism and the grounding motor drive mechanism are both mounted on the motor mounting plate and extend between the upper mounting plate and the lower mounting plate; the isolation auxiliary switch mechanism and the grounding auxiliary switch mechanism are both mounted on the support plate; the one-button sequential control device is mounted on the upper mounting plate.

3. A dual motor, three position electrically operated device according to claim 2, wherein, The isolation motor drive mechanism includes an isolation motor, an isolation ball screw, an isolation screw slider, an isolation first lever, and an isolation second lever. The upper fixed plate has an upper isolation guide hole on one side, and the lower fixed plate has a lower isolation guide hole corresponding to the upper isolation guide hole. The isolation motor is mounted on the motor mounting plate; The isolation ball screw is connected to the output end of the isolation motor via a coupling, and the isolation ball screw is located between the upper fixed plate and the lower fixed plate; the isolation screw slider is screwed onto the isolation ball screw; the first isolation lever is fixed to the top of the isolation screw slider and passes through the upper isolation guide hole to be linked with the one-key sequential control device; the second isolation lever is fixed to the bottom of the isolation screw slider and passes through the lower isolation guide hole to be linked with the isolation auxiliary switch mechanism. The grounding motor drive mechanism includes a grounding motor, a grounding ball screw, a grounding screw slider, a first grounding lever, and a second grounding lever. The upper fixed plate has an upper grounding guide hole on the other side, and the lower fixed plate has a lower grounding guide hole corresponding to the upper grounding guide hole. The grounding motor is mounted on the motor fixed plate. The grounding ball screw is connected to the output end of the grounding motor via a coupling, and the grounding ball screw is located between the upper fixed plate and the lower fixed plate. The grounding ball screw and the isolation ball screw are arranged parallel to each other and spaced apart. The grounding ball screw slider is screwed onto the grounding ball screw. The first grounding lever is fixed to the top of the grounding ball screw slider and passes through the upper grounding guide hole to be linked with the one-key sequential control device. The second grounding lever is fixed to the bottom of the grounding ball screw slider and passes through the lower grounding guide hole to be linked with the grounding auxiliary switch mechanism.

4. The dual-motor three-position electric operating device according to claim 3, characterized in that, The isolation auxiliary switch mechanism includes an isolation auxiliary switch, an isolation switch fisheye indicator, an isolation auxiliary switch bevel gear, an isolation auxiliary switch damping bevel gear, an isolation auxiliary switch fixing pin, an isolation auxiliary switch damping spring, and an isolation auxiliary switch drive connecting plate. The isolation auxiliary switch is mounted on the support plate. The fisheye indicator of the disconnect switch is installed on the housing; The isolation auxiliary switch is connected to the fisheye indicator of the isolation switch via a coupling; the isolation auxiliary switch bevel gear is mounted on the rotating shaft of the isolation auxiliary switch; the isolation auxiliary switch damping bevel gear is rotatably connected to the support plate and meshes with the isolation auxiliary switch bevel gear; the isolation auxiliary switch fixing pin passes through the isolation auxiliary switch damping bevel gear to be fixedly connected to the support plate; the isolation auxiliary switch damping spring is sleeved on the rod of the isolation auxiliary switch fixing pin and pressed between the head of the isolation auxiliary switch fixing pin and the isolation auxiliary switch damping bevel gear; the isolation auxiliary switch drive connecting plate is fixed on the shaft of the isolation auxiliary switch damping bevel gear and corresponds to the position of the isolation second lever to drive its rotation; The grounding auxiliary switch mechanism includes a grounding auxiliary switch, a grounding switch fisheye indicator, a grounding auxiliary switch bevel gear, a grounding auxiliary switch damping bevel gear, a grounding auxiliary switch fixing pin, a grounding auxiliary switch damping spring, and a grounding auxiliary switch drive connecting plate. The grounding auxiliary switch is mounted on the support plate. The grounding switch fisheye indicator is installed on the enclosure; The grounding auxiliary switch is connected to the grounding switch fisheye indicator via a coupling; the grounding auxiliary switch bevel gear is mounted on the rotating shaft of the grounding auxiliary switch; the grounding auxiliary switch damping bevel gear is rotatably connected to the support plate and meshes with the grounding auxiliary switch bevel gear; the grounding auxiliary switch fixing pin passes through the grounding auxiliary switch damping bevel gear to be fixedly connected to the support plate; the grounding auxiliary switch damping spring is sleeved on the rod of the grounding auxiliary switch fixing pin and pressed between the head of the grounding auxiliary switch fixing pin and the grounding auxiliary switch damping bevel gear; the grounding auxiliary switch drive connecting plate is fixed on the shaft of the grounding auxiliary switch damping bevel gear and corresponds to the position of the grounding second lever to drive its rotation.

5. The dual-motor three-position electric operating device according to claim 3, characterized in that, The one-button sequential control device includes an output shaft, a main drive wheel, a secondary drive wheel, a fixed shaft, a main driven wheel, a secondary driven wheel, a center dial plate, a one-button sequential control damping spring, a main drive micro switch group, and a secondary drive micro switch group. The output shaft is rotatably connected to the upper fixed plate. The main drive wheel and the secondary drive wheel are both sleeved and fixed on the output shaft and arranged in layers. The fixed shaft is fixed to the upper fixed plate. The main driven wheel and the secondary driven wheel are rotatably connected to the fixed shaft and arranged in layers. The main driven wheel and the secondary driven wheel are connected together by a fixing pin. The main driven wheel is connected to the main drive wheel by gear meshing, and the secondary driven wheel is connected to the secondary drive wheel by gear meshing. The main driven wheel has a multi-tooth joint on its clockwise meshing surface. The drive wheel has a toothed structure on its counterclockwise meshing surface; the driven wheel has a multi-toothed structure on its counterclockwise meshing surface and a toothed structure on its clockwise meshing surface; the center lever is fixedly connected to the fixed shaft by a key, and the two sides of the center lever correspond to the positions of the isolation first lever and the grounding first lever, respectively, to drive the center lever to rotate clockwise or counterclockwise; the top of the fixed shaft is provided with a retaining ring, and the one-key sequential control damping spring is sleeved on the fixed shaft and pressed between the retaining ring and the driven wheel; the main drive micro switch group is mounted on the upper fixed plate and corresponds to the position of the main drive wheel; the secondary drive micro switch group is mounted on the upper fixed plate and corresponds to the position of the driven wheel.

6. The dual-motor three-position electric operating device according to claim 5, characterized in that, The driven and main wheels include a main wheel body, a main sector tooth, and a main connecting plate connected as one unit. The driven and auxiliary wheels include a secondary wheel body, a secondary sector tooth, and a secondary connecting plate connected as one unit. The main wheel body and the secondary wheel body are rotatably connected to the fixed shaft and arranged in layers. The main connecting plate and the secondary connecting plate are connected by a fixing pin. The side of the main wheel body that connects to the right side of the main sector tooth is an inclined plane to form a main release space. The side of the secondary wheel body that connects to the left side of the secondary sector tooth is an inclined plane to form a secondary release space. The circumferential side of the main sector tooth is provided with a first main tooth and a second main tooth distributed at intervals. The circumferential side of the auxiliary sector tooth is provided with a first auxiliary tooth and a second auxiliary tooth spaced apart. The first main tooth and the first auxiliary tooth are vertically opposite each other, and the second main tooth and the second auxiliary tooth are symmetrically distributed horizontally. The second main tooth is located below the auxiliary release space, and the second auxiliary tooth is located above the main release space. The circumferential side of the main drive wheel is provided with two main drive teeth spaced apart, so as to mesh with the first main tooth and the second main tooth respectively when rotating counterclockwise. The circumferential side of the auxiliary drive wheel is provided with two auxiliary drive teeth spaced apart, so as to mesh with the first auxiliary tooth and the second auxiliary tooth respectively when rotating clockwise.

7. The dual-motor three-position electric operating device according to claim 6, characterized in that, The main drive micro switch group includes a first main drive micro switch and a second main drive micro switch. The first and second main drive micro switches are located on opposite sides of the main and driven wheels and are diagonally distributed. The drive rod of the first main drive micro switch corresponds to the circumferential side of the main wheel body near the inclined plane, and the drive rod of the second main drive micro switch corresponds to the side of the main connecting plate. The auxiliary drive micro switch group includes a first auxiliary drive micro switch and a second auxiliary drive micro switch. The first and second auxiliary drive micro switches are located on opposite sides of the auxiliary driven wheel and are diagonally distributed. The drive rod of the first auxiliary drive micro switch corresponds to the circumferential side of the auxiliary wheel body near the inclined plane, and the drive rod of the second auxiliary drive micro switch corresponds to the side of the auxiliary connecting plate.

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