Switch electric operating mechanism

Abstract

The utility model relates to an electric operating mechanism for a switch. The electric operating mechanism comprises a bracket assembly, a main rotating shaft rotationally arranged on the bracket assembly, a motor arranged on the bracket assembly, and a gear set arranged between the motor and the main rotating shaft in a transmission manner, two ends of the main rotating shaft are respectively used as an input end and an output end; the gear set comprises a driving gear arranged on the output shaft of the motor, a driven gear arranged on the main rotating shaft, and at least one gear pair arranged between the driving gear and the driven gear; the gear pair comprises an input gear and an output gear which are coaxially connected, and the diameter of the input gear is larger than that of the output gear. Compared with the prior art, by adopting the arrangement of the mounting bracket, the center distance of the mounting holes at the beginning of the design of the switch operating mechanism is amplified, and a multi-stage gear reducing mechanism and a larger motor can be arranged in a compact space.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of disconnecting switch, and relates to a switch electric operating mechanism. BACKGROUND

[0002] The electric operating mechanism of the disconnecting switch is connected to the mechanism side through the switch mechanism side surface mounting hole, and the electric operating mechanism is driven to drive the switch body to open or close through remote control, so as to prevent the risk of direct operation of the operator and meet the needs of remote operation of the operator and intelligentization of the product.

[0003] For example, CN219370820 discloses an electric operating structure for a disconnecting switch, which comprises an electric operating module and an operating mechanism connected in sequence, the electric operating module drives the electric operating module to act, the electric operating mechanism is modularly installed, can be quickly spliced with the operating mechanism, and the installation time in use is reduced. However, in the case that the operating force of the disconnecting switch is large and the center distance of the mounting hole is small, the use of a large-size, high-speed motor and a multi-stage gear reduction device will have more interference, which limits the design of the electric operating structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a switch electric operating mechanism which can improve the output torque and is compact in structure.

[0005] The utility model can be realized by the following technical scheme:

[0006] A switch electric operating mechanism is used for driving a disconnecting switch to open and close, and comprises a support assembly, a main rotating shaft rotatably arranged on the support assembly, a motor arranged on the support assembly, and a gear set arranged in transmission between the motor and the main rotating shaft.

[0007] The two ends of the main rotating shaft are used as an input end and an output end respectively.

[0008] The gear set comprises a driving gear arranged on the output shaft of the motor, a driven gear arranged on the main rotating shaft, and at least one gear pair arranged between the driving gear and the driven gear.

[0009] The gear pair comprises an input gear and an output gear coaxially connected, and the diameter of the input gear is greater than that of the output gear.

[0010] Further, the main rotating shaft is prismatic, a first connecting seat is arranged on the input end of the main rotating shaft in a limiting sleeve mode, and a second connecting seat is arranged on the output end of the main rotating shaft in a limiting sleeve mode.

[0011] Further, the utility model further comprises a shell, and an assembly through hole is arranged on the shell.

[0012] A limiting boss is arranged on the outer edge of the first connecting seat.

[0013] The first connecting seat passes through the assembly through hole, and the limiting boss is limited to abut against the inner side of the assembly through hole.

[0014] In some specific embodiments, the second connecting seat abuts against and drives the input end of the disconnecting switch.

[0015] Further, the bottom of the support assembly, which is arranged outside the second connecting seat, is respectively provided with a first micro switch and a second micro switch, and the first micro switch and the second micro switch correspond to the rotation position of the main rotating shaft in the open state or the closed state of the disconnecting switch.

[0016] The first micro switch and the second micro switch are electrically connected with the motor respectively, and are used for stopping the motor.

[0017] The outer edge of the second connecting seat is provided with a trigger cam capable of abutting against and triggering the first micro switch and the second micro switch, so that when the main rotating shaft rotates to the open position or the closed position, the corresponding first micro switch and second micro switch work.

[0018] Further, a plurality of gear pairs are sequentially meshed and connected between the driving gear and the driven gear.

[0019] The output gear of the front gear pair is meshed with the input gear of the rear gear pair.

[0020] Further, a plurality of gear pairs are sequentially meshed and connected between the driving gear and the driven gear.

[0021] The input gear of the first gear pair is meshed with the driving gear, and the output gear is meshed with the input gear of the second gear pair; the output gear of the second gear pair is meshed with the input gear of the third gear pair; and the output gear of the second gear pair is meshed with the driven gear.

[0022] Further, the input gears and the output gears of the first gear pair, the second gear pair and the third gear pair are alternately arranged one above the other.

[0023] Further, the support assembly comprises a bottom frame, an intermediate support and a top frame which are sequentially connected.

[0024] The main rotating shaft penetrates the bottom frame, the intermediate support and the top frame.

[0025] The top frame is provided with a motor accommodation hole, the motor is arranged at the motor accommodation hole, the output shaft of the motor penetrates the intermediate support and is provided with the driving gear.

[0026] The bottom frame is provided with a first gear pair mounting seat, the intermediate support is provided with a first gear pair accommodation hole, the first gear pair is arranged at the first gear pair accommodation hole and located between the first gear pair mounting seat and the top frame.

[0027] The second gear pair and the third gear pair are assembled between the intermediate support and the top support.

[0028] Further, the intermediate support is in a two-step shape, the input gear of the first gear pair is located below the two-step, and the height of the two-step is matched with the thickness of the input gear.

[0029] Further, the disconnecting switch is further provided with a mounting support, and the support assembly is arranged on the mounting support.

[0030] Compared with the prior art, the utility model has the following characteristics:

[0031] (1) The utility model adopts the setting of the mounting support, enlarges the center distance of the mounting hole at the beginning of the switch operating mechanism design, and can arrange the multi-stage gear reduction mechanism and the larger motor under the compact space.

[0032] (2) The second support adopts the staggered plane design, so that the gear shaft positioning holes and the motor mounting holes are concentrated on one part, the error generated when the gear reduction mechanism is installed is reduced, the precise transmission of the gear is achieved, the gear shaft is installed between the second support and the third support, the supports are fixed through the screws, the axial positioning of the gear and the axial positioning of the main shaft are simple and reliable and have no redundant process. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is an explosion view of one kind of switch electric operating mechanism in the embodiment;

[0034] Figure 2 It is an assembly schematic view of one kind of switch electric operating mechanism in the embodiment;

[0035] Figure 3 It is a schematic view of the mounting support assembled in the disconnecting switch;

[0036] Figure 4 It is an internal structure schematic view of one kind of switch electric operating mechanism in the embodiment;

[0037] Figure 5 It is a structure schematic view of the gear set;

[0038] Figure 6 It is a trigger schematic view of the second connecting seat and the micro switch;

[0039] Wherein: 1. Switch electric operating mechanism, 11. First support, 12. Second support, 121. First micro switch, 122. Second micro switch, 13. Third support, 14. Housing, 15. First connecting seat, 16. Second connecting seat, 161. Trigger cam, 17. Main shaft, 18. Gear set, 181. First gear pair, 182. Second gear pair, 183. Third gear pair, 19. Motor, 2. Mounting bracket, 3. Isolating switch. DETAILED DESCRIPTION

[0040] The utility model will be described in detail below in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, and gives a detailed implementation mode and specific operation process, but the protection scope of the utility model is not limited to the following examples.

[0041] Embodiment:

[0042] As Figure 1 With Figure 2 A kind of switch electric operating mechanism 1 as shown in the figure, for driving isolating switch 3 opening and closing, including support assembly, main shaft 17 rotatingly arranged on support assembly, motor 19 arranged on support assembly, and gear set 18 transmissionally arranged between motor 19 and main shaft 17;

[0043] Wherein, main shaft 17 two ends are used as input end and output end respectively;Gear set 18 includes driving gear arranged on the output shaft of motor 19, driven gear arranged on main shaft 17, and at least one gear pair arranged between driving gear and driven gear;Gear pair includes coaxially connected input gear and output gear, and the diameter of input gear is greater than that of output gear. The transmission ratio is adjusted by the diameter difference between input gear and output gear, and the output torque of high-speed motor is amplified to the required torque.

[0044] In some specific embodiments, main shaft 17 and driven gear are fixed by welding, and main shaft 17 is axially limited.

[0045] In some specific embodiments, main shaft 17 is prismatic, and first connecting seat 15 is limitingly sleeved on the input end of main shaft 17, and second connecting seat 16 is limitingly sleeved on the output end of main shaft 17.

[0046] In some specific embodiments, a housing is further included, and the housing is provided with an assembly through hole;The outer edge of first connecting seat 15 is provided with a limiting boss;First connecting seat 15 passes through assembly through hole, and limiting boss is limited to abut on the inner side of assembly through hole, so as to axially limit main shaft 17, and there is opening and closing indication on first connecting seat 15.

[0047] In some specific embodiments, the input end of isolating switch 3 is abutted and transmissionally connected with second connecting seat 16.

[0048] In some specific embodiments, the bottom of the support assembly is respectively provided with a first micro switch 121 and a second micro switch 122 outside the second connecting seat 16, and the first micro switch 121 and the second micro switch 122 correspond to the rotation position of the main shaft 17 in the open state or the closed state of the isolating switch 3 respectively; the first micro switch 121 and the second micro switch 122 are electrically connected with the motor 19 respectively, for stopping the motor 19; the outer edge of the second connecting seat 16 is provided with a trigger cam 161 capable of abutting and triggering the first micro switch 121 and the second micro switch 122, so that when the main shaft 17 rotates to the open position or the closed position, the corresponding first micro switch 121 and second micro switch 122 work.

[0049] In some specific embodiments, when the main shaft 17 is in the closed position, the first micro switch 121 is triggered, and a closed signal is output and the motor 19 is controlled to stop rotating; when the main shaft 17 is in the open position, the second micro switch 122 is triggered, and an open signal is output and the motor 19 is controlled to stop rotating.

[0050] In some specific embodiments, a plurality of gear pairs are sequentially meshed and connected between the driving gear and the driven gear; the output gear of the front gear pair is meshed with the input gear of the rear gear pair.

[0051] In some specific embodiments, as shown in Figure 5 the driving gear and the driven gear adopt parallel shaft gear transmission, and a first gear pair 181, a second gear pair 182 and a third gear pair 183 are sequentially meshed and connected; the input gear of the first gear pair 181 is meshed with the driving gear, and the output gear is meshed with the input gear of the second gear pair 182; the output gear of the second gear pair 182 is meshed with the input gear of the third gear pair 183; and the output gear of the third gear pair 183 is meshed with the driven gear.

[0052] In some specific embodiments, the input gears and the output gears of the first gear pair 181, the second gear pair 182 and the third gear pair 183 are alternately arranged one above the other.

[0053] In some specific embodiments, as shown in Figure 4As shown, the support assembly adopts a three-layer support structure, including a bottom support 11, an intermediate support 12 and a top support 13 connected in sequence; the main rotating shaft 17 penetrates through the bottom support 11, the intermediate support 12 and the top support 13; the top support 13 is provided with a motor accommodating hole at the edge; the motor 19 is arranged at the motor accommodating hole and arranged on the intermediate support 12; the output shaft penetrates through the intermediate support 12 and is provided with a driving gear; the bottom support 11 is provided with a first gear pair mounting seat, the intermediate support 12 is provided with a first gear pair accommodating hole, the first gear pair 181 is arranged at the first gear pair accommodating hole and located between the first gear pair mounting seat and the top support 13; the second gear pair 182 and the third gear pair 183 are assembled between the intermediate support 12 and the top support 13.

[0054] In some specific embodiments, the intermediate support 12 adopts a variable-height plane design, specifically a two-stage stepped shape, the input gear of the first gear pair 181 is located below the two-stage stepped shape, and the height of the two-stage stepped shape is matched with the thickness of the input gear, so that the motor mounting hole and all gear shaft positioning holes are located on the same part.

[0055] In some specific embodiments, the gear shafts of the first gear pair 181, the second gear pair 182 and the third gear pair 183 are respectively positioned in the axial direction by the shaft shoulder and fixed between the intermediate support 12 and the top support 13.

[0056] In some specific embodiments, as shown, Figure 6 The first micro switch 121 and the second micro switch 122 are respectively fixed on the bottom side of the intermediate support 12.

[0057] In some specific embodiments, the disconnecting switch 3 is further provided with a mounting support 2, and the support assembly is arranged on the mounting support 2, as shown in Figure 2 and Figure 3 The electric operating mechanism 1 is connected to the disconnecting switch 3 through the mounting support 2, and the rotating shaft of the disconnecting switch 3 is connected to the electric operating mechanism 1 through the second connecting seat 16 to achieve the output torque, so as to achieve the purpose of opening and closing the switch. Before installing the electric operating mechanism, the mounting support is installed first, and the electric operating mechanism is installed on the mounting support to enlarge the center distance of the electric operating mechanism installation and provide more space for the electric operating mechanism design and more reliable installation.

[0058] The mounting support is adopted in this embodiment to enlarge the center distance of the installation hole at the beginning of the switch operating mechanism design, which can provide more space for the gear reduction mechanism when the operating force of the mechanism is large and a high-speed motor is used, and can place a multi-stage gear reduction mechanism. The original technology cannot be realized when the operating force of the mechanism is large.

[0059] The above description of the embodiments is to facilitate the ordinary skilled in the art to understand and use the utility model. The person skilled in the art can obviously easily make various modifications to these embodiments, and the general principles described herein are applied to other embodiments without the need for creative labor. Therefore, the utility model is not limited to the above embodiments, and the improvements and modifications made by the person skilled in the art according to the disclosure of the utility model without departing from the scope of the utility model should be within the protection scope of the utility model.

Claims

1. An electrically operated mechanism for driving an isolating switch (3) to open and close, characterized in that, The support assembly, the main rotating shaft (17) rotatably arranged on the support assembly, the motor (19) arranged on the support assembly, and the gear set (18) arranged in transmission between the motor (19) and the main rotating shaft (17); The main rotating shaft (17) is used as an input end and an output end respectively; The gear set (18) comprises a driving gear arranged on the output shaft of the motor (19), a driven gear arranged on the main rotating shaft (17), and at least one gear pair arranged between the driving gear and the driven gear; The gear pair comprises coaxially connected input gear and output gear, and the diameter of the input gear is greater than that of the output gear.

2. The electrically operated switch mechanism according to claim 1, characterized in that The main rotating shaft (17) is prismatic, and a first connecting seat (15) is arranged on the input end of the main rotating shaft (17), and a second connecting seat (16) is arranged on the output end.

3. The electrically operated switch mechanism according to claim 2, wherein Further comprising a shell, and the shell is provided with an assembly through hole; The outer edge of the first connecting seat (15) is provided with a limiting boss; The first connecting seat (15) passes through the assembly through hole, and the limiting boss is limited to abut against the inner side of the assembly through hole.

4. The electrically operated switch mechanism according to claim 2, wherein The bottom of the support assembly is provided with a first micro switch (121) and a second micro switch (122) outside the second connecting seat (16) respectively, and the rotating positions of the main rotating shaft (17) corresponding to the open state or closed state of the disconnecting switch (3) are respectively arranged; The first micro switch (121) and the second micro switch (122) are electrically connected with the motor (19) respectively, and are used for stopping the motor (19); The outer edge of the second connecting seat (16) is provided with a trigger cam (161) capable of abutting and triggering the first micro switch (121) and the second micro switch (122), so that when the main rotating shaft (17) rotates to the open position or the closed position, the corresponding first micro switch (121) and second micro switch (122) work.

5. The electrically operated switch mechanism according to claim 1, wherein A plurality of gear pairs are arranged in sequence between the driving gear and the driven gear; The output gear of the front gear pair is engaged with the input gear of the rear gear pair.

6. The electrically operated switch mechanism according to claim 5, wherein A plurality of gear pairs are arranged in sequence between the driving gear and the driven gear. The input gear of the first gear pair (181) is engaged with the driving gear, and the output gear is engaged with the input gear of the second gear pair (182); the output gear of the second gear pair (182) is engaged with the input gear of the third gear pair (183); and the output gear of the third gear pair (183) is engaged with the driven gear.

7. The electrically operated switch mechanism according to claim 5, wherein The input gears and the output gears of the first gear pair (181), the second gear pair (182) and the third gear pair (183) are alternately arranged one above the other.

8. The electrically operated switch mechanism according to claim 7, characterized in that The support assembly comprises a bottom frame (11), an intermediate support (12) and a top frame (13) connected in sequence; The main rotating shaft (17) penetrates the bottom frame (11), the intermediate support (12) and the top frame (13); The top frame (13) is provided with a motor accommodation hole at the edge, and the motor (19) is arranged at the motor accommodation hole, and the output shaft of the motor (19) penetrates the intermediate support (12) and is provided with a driving gear; The bottom frame (11) is provided with a first gear pair mounting seat, the middle support (12) is provided with a first gear pair accommodating hole, and the first gear pair (181) is arranged at the first gear pair accommodating hole and located between the first gear pair mounting seat and the top frame (13). The second gear pair (182) and the third gear pair (183) are assembled between the middle support (12) and the top frame (13).

9. The electrically operated switch mechanism according to claim 8, characterized in that The middle support (12) is in a two-stage stepped shape, the input gear of the first gear pair (181) is located below the two-stage stepped shape, and the height of the two-stage stepped shape is matched with the thickness of the input gear.

10. The electrically operated switch mechanism according to claim 1, wherein The disconnecting switch (3) is further provided with a mounting bracket (2), and the bracket assembly is arranged on the mounting bracket (2).

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