Double-electric isolation mechanism

Abstract

The utility model discloses a double-electric isolation mechanism, which is used for electrically operating a grounding operation mechanism and an isolation operation mechanism, the grounding operation mechanism comprises a grounding shaft and a grounding transmission crank arm, the isolation operation mechanism comprises an isolation shaft and an isolation transmission crank arm, and the double-electric isolation mechanism comprises an electric grounding mechanism and an electric isolation mechanism. The electric grounding mechanism comprises a grounding motor and a grounding transmission structure, the electric isolation mechanism comprises an isolation motor and an isolation transmission structure, the grounding transmission structure is connected with the grounding motor and the grounding transmission crank arm, and the isolation transmission structure is connected with the isolation motor and the isolation transmission crank arm. According to the utility model, the electric grounding operation is realized through the electric grounding mechanism, the electric grounding operation is realized, the intelligent control is realized, and the use in a special scheme is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ring main unit, and relates to a double electric isolation mechanism. BACKGROUND

[0002] At present, the grounding operation of the conventional isolating switch mechanism is manually operated, and cannot realize electric grounding operation, which is inconvenient for intelligent control, and in some schemes, complete automatic operation control of the mechanism is required, and all operation actions (including isolation and grounding) are driven and operated by electricity. SUMMARY

[0003] The utility model discloses in order to overcome at least one prior art's insufficient, provide a double electric isolation mechanism.

[0004] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a double electric isolation mechanism, for electrically operating grounding operation mechanism and isolation operation mechanism, the grounding operation mechanism includes grounding shaft and grounding transmission crank, and the isolation operation mechanism includes isolation shaft and isolation transmission crank, and it includes electric grounding mechanism and electric isolation mechanism, the electric grounding mechanism includes grounding motor and grounding transmission structure, and the electric isolation mechanism includes isolation motor and isolation transmission structure, and the grounding transmission structure is connected with the grounding motor and the grounding transmission crank respectively, and the isolation transmission structure is connected with the isolation motor and the isolation transmission crank respectively.

[0005] Further, the grounding transmission structure includes grounding motor crank and grounding motor connecting rod, one end of the grounding motor crank is connected with the grounding motor, the other end of the grounding motor crank is movably connected with the grounding motor connecting rod, and the grounding motor connecting rod is connected with the grounding transmission crank.

[0006] Further, the isolation transmission structure includes isolation motor crank and isolation motor connecting rod, one end of the isolation motor crank is connected with the isolation motor, the other end of the isolation motor crank is movably connected with the isolation motor connecting rod, and the isolation motor connecting rod is connected with the isolation transmission crank.

[0007] Further, the double electric isolation mechanism further includes transmission mechanism, three-position auxiliary switch and auxiliary linkage structure, and the three-position auxiliary switch is connected with the transmission mechanism through the auxiliary linkage structure.

[0008] Further, the auxiliary linkage structure includes auxiliary switch connecting rod and auxiliary switch crank, both ends of the auxiliary switch connecting rod are rotatably connected with the cam disc of the transmission mechanism and the auxiliary switch crank respectively, and the auxiliary switch crank is connected with the three-position auxiliary switch.

[0009] Further, the grounding motor crank is provided with a buffer groove, the grounding motor connecting rod is fixedly provided with a first pin, and the first pin is located in the buffer groove.

[0010] Further, the rack comprises a first mechanism plate and a second mechanism plate, and the first mechanism plate and the second mechanism plate are fixedly connected through a rack support column.

[0011] Further, the grounding motor and the isolation motor are fixedly arranged on the second mechanism plate.

[0012] Further, the three-position auxiliary switch is fixedly arranged on the second mechanism plate.

[0013] In summary, the utility model has the advantages that:

[0014] 1) The utility model discloses an electric grounding mechanism, which realizes electric operation of grounding, realizes electric grounding operation, realizes intelligent control and is convenient for use in special schemes.

[0015] 2) The utility model discloses a three-position auxiliary switch, which is connected with a cam disc through an auxiliary linkage structure, realizes state switching of the three-position auxiliary switch and can obtain more contact points through the three-position auxiliary switch. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the double electric isolation mechanism of the utility model.

[0017] Figure 2 It is a schematic view of the double electric isolation mechanism of the utility model.

[0018] Figure 3 It is a rear view of the double electric isolation mechanism of the utility model.

[0019] Figure 4 It is a side view of the double electric isolation mechanism of the utility model. DETAILED DESCRIPTION

[0020] The embodiments of the utility model will be described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied through different specific embodiments, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the following examples and features in the examples can be combined with each other without conflict.

[0021] It should be noted that the drawings provided in the following examples only illustrate the basic concept of the utility model in a schematic manner, and the drawings only show the components related to the utility model without drawing the number, shape and size of the components during actual implementation. The shape, number and proportion of each component during actual implementation can be randomly changed, and the component layout pattern can be more complex.

[0022] In this embodiment of the invention, all directional indicators (such as up, down, left, right, front, back, horizontal, vertical, etc.) are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0023] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of this utility model may actually be an approximate parallel relationship, and the perpendicular relationship may actually be an approximate perpendicular relationship.

[0024] Example 1:

[0025] like Figures 1-4 As shown, a dual-electric isolation mechanism is used to electrically operate a grounding operation mechanism 3 and an isolation operation mechanism 4. The grounding operation mechanism 3 includes a grounding shaft 31 and a grounding transmission crank arm 32. The isolation operation mechanism 4 includes an isolation shaft 41 and an isolation transmission crank arm 42. Specifically, it includes an electric grounding mechanism 1 and an electric isolation mechanism 2. The electric grounding mechanism 1 includes a grounding motor 11 and a grounding transmission structure 12. The electric isolation mechanism 2 includes an isolation motor 21 and an isolation transmission structure 22. The isolation transmission structure 22 is connected to the electric motor 21 and the isolation transmission crank arm 42 respectively. The grounding transmission structure 12 is connected to the grounding motor 11 and the grounding transmission crank arm 32 respectively.

[0026] The dual electric isolation mechanism mounting frame 5 includes a first mechanism plate 51 and a second mechanism plate 52. The first mechanism plate 51 and the second mechanism plate 52 are fixedly connected by a frame support 53. The first mechanism plate 51 and the second mechanism plate 52 are arranged in parallel. The first mechanism plate 51 and the second mechanism plate 52 form a first mounting cavity. The electric grounding mechanism 1, the electric isolation mechanism 2, the grounding operation mechanism 3, and the isolation operation mechanism 4 are installed in the first mounting cavity.

[0027] The spring energy storage device is connected between the grounding operation mechanism 3 and the isolation operation mechanism 4, and the grounding operation mechanism 3 and the isolation operation mechanism 4 are connected with the transmission mechanism 6, the transmission mechanism 6 is connected with the indicating device 61 and an insulation main shaft (not shown) of the three-position switch, specifically, the transmission mechanism 6 comprises a cam disc 62 and a transmission end 63, the cam disc 62 and the transmission end 63 are fixedly connected, the grounding shaft 31 and the isolation shaft 41 are connected with the cam disc 62, the grounding shaft 31 and the isolation shaft 41 rotate to drive the cam disc 62 to rotate, and then drive the transmission end 63 to rotate, that is, the grounding operation mechanism 3 and the isolation operation mechanism 4 respectively transmit grounding transmission and isolation transmission to the transmission end 63, the transmission end 63 transmits grounding torque and isolation torque to the insulation main shaft, and simultaneously controls the indicating device 61 to rotate to display different indications; the grounding operation mechanism 3, the isolation operation mechanism 4, the spring energy storage device, the transmission mechanism 6 and the indicating device 61 adopt a conventional structure and a motion principle, and the embodiment is not improved, and further description is not made.

[0028] As shown in Figure 1 , the grounding motor 11 is fixedly arranged on the second mechanism plate 52 of the rack 5, the grounding transmission structure 12 comprises a grounding motor crank 121 and a grounding motor connecting rod 122, one end of the grounding motor crank 121 is fixedly connected with the grounding motor 11, the other end of the grounding motor crank 121 is movably connected with the grounding motor connecting rod 122, and the grounding motor connecting rod 122 is connected with the grounding transmission crank 32, according to Figure 1 the visual angle, when grounding operation is needed, the grounding motor 11 is started to drive the grounding motor crank 121 to rotate clockwise, the grounding motor crank 121 drives the grounding motor connecting rod 122 to move to the left, and then drives the grounding transmission crank 32 to rotate clockwise, thereby realizing subsequent grounding operation.

[0029] The grounding motor crank 121 and the grounding motor connecting rod 122 are movably connected, specifically, the grounding motor crank 121 is provided with a buffer groove 1211, the grounding motor connecting rod 122 is fixedly provided with a first pin 1221, and the first pin 1221 is located in the buffer groove 1211 and slides in the buffer groove 1211.

[0030] The isolation motor 21 is fixedly arranged on the second mechanism plate 52 of the rack 5, the isolation transmission structure 22 comprises an isolation motor crank 221 and an isolation motor connecting rod 222, one end of the isolation motor crank 221 is fixedly connected with the isolation motor 21, the other end of the isolation motor crank 221 is movably connected with the isolation motor connecting rod 222, and the isolation motor connecting rod 222 is connected with the isolation transmission crank 42, according toFigure 1 From the perspective of the field of vision, when isolation operation is required, the isolation motor 21 starts and drives the isolation motor crank arm 221 to rotate. The rotation of the isolation motor crank arm 221 drives the isolation motor connecting rod 222 to move, which in turn drives the isolation transmission crank arm 42 to rotate, so as to realize the subsequent isolation operation.

[0031] The structure of the isolating motor crank arm 221 and the isolating motor connecting rod 222 is the same as the structure of the grounding motor crank arm 121 and the grounding motor connecting rod 122, and will not be described in detail here.

[0032] This embodiment achieves electric grounding operation through electric grounding mechanism 1, realizing electric grounding operation, intelligent control, and convenient use in special solutions.

[0033] The dual electric isolation mechanism also includes a three-position auxiliary switch 71 and an auxiliary linkage structure 72. The three-position auxiliary switch 71 is fixed on the second mechanism plate 52 of the frame 5, and the three-position auxiliary switch 71 is connected to the transmission mechanism 6 through the auxiliary linkage structure 72.

[0034] The auxiliary linkage structure 72 includes an auxiliary switch linkage 721 and an auxiliary switch crank arm 722. The two ends of the auxiliary switch linkage 721 are rotatably connected to the cam disk 62 of the transmission mechanism 6 and the auxiliary switch crank arm 722, respectively. The auxiliary switch crank arm 722 is connected to the three-position auxiliary switch 71. When the grounding operation mechanism 3 performs a grounding operation or the isolation operation mechanism 4 performs an isolation operation, the cam disk 62 is driven to rotate. The rotation of the cam disk 62 drives the auxiliary switch linkage 721 to move, which in turn drives the auxiliary switch crank arm 722 to move. The movement of the auxiliary switch crank arm 722 drives the three-position auxiliary switch 71, thereby driving the three-position auxiliary switch 71 to switch states. More contact points can be obtained through the three-position auxiliary switch 71.

[0035] Other structures not described or included in this embodiment adopt conventional structures and motion principles, and will not be elaborated here.

[0036] Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort should fall within the protection scope of this utility model.

Claims

1. A dual electric isolating mechanism for electrically operating a ground operating mechanism and an isolating operating mechanism, the ground operating mechanism comprising a ground shaft and a ground drive link, the isolating operating mechanism comprising an isolating shaft and an isolating drive link, characterized in that: The electric ground mechanism comprises a ground motor and a ground transmission structure, and the electric isolation mechanism comprises an isolation motor and an isolation transmission structure.

2. A double electric isolation mechanism according to claim 1, characterized in that: The ground transmission structure comprises a ground motor crank and a ground motor connecting rod, one end of the ground motor crank is connected with the ground motor, the other end of the ground motor crank is movably connected with the ground motor connecting rod, and the ground motor connecting rod is connected with the ground transmission crank.

3. A double electric isolation mechanism according to claim 1, characterized in that: The isolation transmission structure comprises an isolation motor crank and an isolation motor connecting rod, one end of the isolation motor crank is connected with the isolation motor, the other end of the isolation motor crank is movably connected with the isolation motor connecting rod, and the isolation motor connecting rod is connected with the isolation transmission crank.

4. A double electric isolation mechanism according to claim 1, characterized in that: The double electric isolation mechanism further comprises a transmission mechanism, a three-position auxiliary switch and an auxiliary linkage structure, the three-position auxiliary switch is connected with the transmission mechanism through the auxiliary linkage structure.

5. A double electric isolation mechanism according to claim 4, characterized in that: The auxiliary linkage structure comprises an auxiliary switch connecting rod and an auxiliary switch crank, both ends of the auxiliary switch connecting rod are rotatably connected with a cam disc of the transmission mechanism and the auxiliary switch crank respectively, and the auxiliary switch crank is connected with the three-position auxiliary switch.

6. A double electric isolation mechanism according to claim 2, characterized in that: The ground motor crank is provided with a buffer groove, and the ground motor connecting rod is fixedly provided with a first pin, which is located in the buffer groove.

7. A double electric isolation mechanism according to claim 5, characterized in that: The double electric isolation mechanism further comprises a machine frame, the machine frame comprises a first mechanism plate and a second mechanism plate, and the first mechanism plate and the second mechanism plate are fixedly connected through machine frame struts.

8. A double electric isolation mechanism according to claim 7, characterized in that: The ground motor and the isolation motor are fixedly arranged on the second mechanism plate.

9. A double electric isolation mechanism according to claim 7, characterized in that: The three-position auxiliary switch is fixedly arranged on the second mechanism plate.

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