Isolation mechanism of isolation switch for environment-friendly ring main unit

Abstract

The utility model discloses an isolating mechanism of an isolating switch for an environment-friendly ring main unit, and particularly relates to the technical field of ring main units, which comprises a first mounting plate, the first mounting plate is fixedly sleeved outside the isolating switch, a state shaft is rotatably arranged in the first mounting plate, one end of the state shaft is connected with a control shaft of the isolating switch, and the other end of the state shaft is connected with a control shaft of the isolating switch. One side, facing the state shaft, of the first mounting plate is provided with a mounting frame, the mounting frame is rotatably provided with a switching-on and switching-off operation shaft, one side of the switching-on and switching-off operation shaft is provided with a grounding operation shaft, the grounding operation shaft is rotatably mounted on the mounting frame, and the switching-on and switching-off operation shaft and the grounding operation shaft are both provided with connecting rods; the outer ends of the two connecting rods are connected with a state shaft, and when the opening and closing operation shaft and the grounding operation shaft rotate, the state shaft drives the indicator to rotate. According to the utility model, the state shaft is connected with the isolation switch control shaft to observe the indication state of the indicator, so that an operator can synchronously judge the operation state of the isolation switch.

Description

Technical Field

[0001] The utility model relates to the technical field of ring network cabinets, and more specifically, to an isolation mechanism of an isolation switch for an environmentally friendly ring network cabinet. Background Art

[0002] A ring main unit (RMU) is a set of electrical equipment for power transmission and distribution, typically including high-voltage switchgear. These are installed in metal or non-metallic insulated cabinets, or constructed as assembled compartmentalized ring main unit (RMU). Core components consist of load switches and fuses. These devices are known for their compact structure, small size, low cost, and ability to improve power supply parameters and performance, as well as enhance power supply safety. RMUs are widely used in distribution stations in load-intensive areas such as urban residential areas, high-rise buildings, large public facilities, factories, and enterprises, as well as in box-type substations.

[0003] The ring main unit is a high-voltage equipment switch. When maintenance personnel are repairing the internal part of the equipment, an isolation mechanism is installed outside the isolation switch, which is blocked in front of the control shaft of the isolation switch to prevent it from being operated at will, thereby avoiding risks caused by improper operation. However, in actual use, since the isolation switch is blocked in front of the control shaft, it is difficult for the operator to accurately judge the operating status of the isolation switch, and the isolation mechanism needs to be removed. During the operation, accidental touch may occur, affecting the safe and reliable operation of the circuit. Utility Model Content

[0004] The utility model provides an isolating mechanism for an isolating switch for an environmentally friendly ring network cabinet, and aims to solve the problem that the existing isolating mechanism is blocked in front of the control shaft during actual use, making it difficult for the operator to accurately judge the operating status of the isolating switch. The isolating mechanism needs to be disassembled, and mis-touch may occur during operation, affecting the safe and reliable operation of the circuit.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an isolation mechanism of an isolating switch for an environmentally friendly ring network cabinet, comprising a first mounting plate, the first mounting plate being fixedly sleeved on the outside of the isolating switch, a status shaft being rotatably arranged inside the first mounting plate, one end of the status shaft being connected to the isolating switch control shaft, and an indicator mark being installed on the other end of the status shaft, a mounting frame being mounted on the side of the first mounting plate facing the status shaft, a switching operation shaft being rotatably arranged on the mounting frame, a grounding operation shaft being arranged on one side of the switching operation shaft, and the grounding operation shaft being rotatably arranged on the mounting frame, the status shaft being located between the switching operation shaft and the grounding operation shaft, connecting rods being provided on the switching operation shaft and the grounding operation shaft, and the outer ends of the two connecting rods being connected to the status shaft, and when the switching operation shaft and the grounding operation shaft rotate, the status shaft drives the indicator mark to rotate, thereby judging the operating state of the isolating switch, and a reset member is provided on both the switching operation shaft and the grounding operation shaft.

[0006] In a preferred embodiment, the mounting frame includes a second mounting plate and a third mounting plate, a connecting rod is commonly connected between the second mounting plate and the third mounting plate, the reset plate is located between the second mounting plate and the third mounting plate, and the indicator mark is located on the side of the third mounting plate away from the second mounting plate.

[0007] In a preferred embodiment, a rotating shaft is rotatably installed on the top of the status shaft, and the rotating shaft is fixedly installed on the third mounting plate. Gears are rotatably sleeved on both the status shaft and the rotating shaft, and the two gears are engaged. The indicator mark is fixedly installed on the end of the rotating shaft, and the bottom of the indicator mark is movably connected to the status shaft.

[0008] In a preferred embodiment, the reset member includes a reset plate, and two reset plates are provided on the opening and closing operating shaft and the grounding operating shaft. A telescopic cylinder is provided at the lower position of the surface of the two reset plates, and the two ends of the telescopic cylinder are respectively fixedly connected to the surface of the reset plate, and a spring is provided in the inner cavity of the telescopic cylinder.

[0009] In a preferred embodiment, positioning grooves are provided on the reset plates, and fixing blocks are in sliding contact with the positioning grooves, and the fixing blocks are respectively mounted on the second mounting plate and the third mounting plate.

[0010] In a preferred embodiment, the grounding operating shaft is provided with an external fixed sleeve, the status shaft is provided with a first shift block, an auxiliary block is provided between the first shift block, the auxiliary block is rotatably mounted on the third mounting plate, and the auxiliary block is in active contact with the fixed block.

[0011] The beneficial effects of the present invention are:

[0012] The utility model is connected to the disconnector control shaft through a status shaft, rotates the opening and closing operating shaft, and moves through a connecting rod. At the same time, the connecting rod causes the status shaft to rotate synchronously, and the indicator mark indicates that the disconnector is in the closed position. By rotating the grounding operating shaft, the connecting rod drives the status shaft to move, and the connecting rod causes the status shaft to rotate synchronously. At the same time, the indicator mark indicates that the disconnector completes the grounding and closing operation, so that the operator can synchronously judge the operating status of the disconnector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural diagram of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the installation structure of the telescopic cylinder of the utility model.

[0016] Figure 4 This is a schematic diagram of the auxiliary block installation structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the installation structure of the first mounting plate of the utility model.

[0018] The accompanying drawings are marked as follows: 1. First mounting plate; 2. Second mounting plate; 3. Third mounting plate; 4. Opening and closing operating shaft; 41. Reset plate; 42. Connecting rod; 5. Grounding operating shaft; 6. Indicator; 61. Status shaft; 62. Rotating shaft; 63. Gear; 8. Telescopic cylinder; 81. Auxiliary block; 82. First shift block; 83. Fixed block. DETAILED DESCRIPTION

[0019] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0020] Refer to the instruction manual Figures 1 to 5 , an isolation mechanism for an isolating switch for an environmentally friendly ring network cabinet, includes a first mounting plate 1, the first mounting plate 1 is fixedly sleeved on the outside of the isolating switch, a status shaft 61 is rotatably provided inside the first mounting plate 1, one end of the status shaft 61 is connected to the isolating switch control shaft, and an indicator mark 6 is installed on the other end of the status shaft 61, and a mounting bracket is installed on the side of the first mounting plate 1 facing the status shaft 61, on which an opening and closing operating shaft 4 is rotatably provided, and a grounding operating shaft 5 is provided on one side of the opening and closing operating shaft 4, and the grounding operating shaft 5 is rotatably installed on the mounting bracket. The status shaft 61 is located between the opening and closing operating shaft 4 and the grounding operating shaft 5, and connecting rods 42 are provided on the opening and closing operating shaft 4 and the grounding operating shaft 5, and the outer ends of the two connecting rods 42 are connected to the status shaft 61. When the opening and closing operating shaft 4 and the grounding operating shaft 5 rotate, the status shaft 61 drives the indicator mark 6 to rotate, thereby judging the operating state of the isolating switch, and a reset member is commonly provided on the opening and closing operating shaft 4 and the grounding operating shaft 5.

[0021] It should be noted that, by rotating the opening and closing operating shaft 4, the connecting rod 42 is driven to move, and at the same time, the connecting rod 42 causes the status shaft 61 to rotate synchronously, and the indicator mark 6 indicates that the disconnector is in the closed position. By rotating the grounding operating shaft 5, the connecting rod 42 is driven to move the status shaft 61, and the connecting rod 42 causes the status shaft 61 to rotate synchronously. At the same time, the indicator mark 6 indicates that the disconnector has completed the grounding and closing operation.

[0022] Furthermore, the mounting frame includes a second mounting plate 2 and a third mounting plate 3, and a connecting rod is commonly connected between the second mounting plate 2 and the third mounting plate 3. The reset plate 41 is located between the second mounting plate 2 and the third mounting plate 3, and the indicator mark 6 is located on the side of the third mounting plate 3 away from the second mounting plate 2.

[0023] In the above embodiment, the isolating operation of the isolating switch can be easily achieved through the convenient installation of the second mounting plate 2 and the third mounting plate 3 .

[0024] Furthermore, a rotating shaft 62 is rotatably installed on the top of the status shaft 61, and the rotating shaft 62 is fixedly installed on the third mounting plate 3. Gears 63 are rotatably sleeved on both the status shaft 61 and the rotating shaft 62, and the two gears 63 are engaged with each other. The indicator mark 6 is fixedly installed on the end of the rotating shaft 62, and the bottom of the indicator mark 6 is movably connected to the status shaft 61.

[0025] In the above embodiment, the engagement between the two gears 63 allows the state shaft 61 to drive the rotating shaft 62 to rotate when rotating, so that the indicator 6 has two contact points when the state shaft 61 rotates synchronously, thereby improving the stability of the indicator 6 during rotation.

[0026] Furthermore, the reset member includes a reset plate 41. Two reset plates 41 are provided on the opening and closing operating shaft 4 and the grounding operating shaft 5. Telescopic cylinders 8 are provided at the lower position of the surfaces of the two reset plates 41. The two ends of the telescopic cylinders 8 are respectively fixedly connected to the surfaces of the reset plates 41, and a spring is provided in the inner cavity of the telescopic cylinders 8.

[0027] In the above embodiment, when the opening and closing operating shaft 4 and the grounding operating shaft 5 rotate, the reset plate 41 is driven to rotate, and the reset plates 41 are moved closer to each other by the spring, thereby resetting the opening and closing operating shaft 4 and the grounding operating shaft 5.

[0028] Furthermore, positioning grooves are provided on the reset plates 41 , and fixing blocks 83 are in sliding contact with the positioning grooves. The fixing blocks 83 are respectively mounted on the second mounting plate 2 and the third mounting plate 3 .

[0029] In the above embodiment, when the opening and closing operating shaft 4 and the grounding operating shaft 5 rotate, they drive the reset plate 41 to contact the fixed block 83 .

[0030] Furthermore, a fixed sleeve 53 is provided on the outside of the grounding operating shaft 5, a fixed sleeve 53 is provided on the status shaft 61, an auxiliary block 81 is provided between the first block 82 and 53, and the auxiliary block 81 is rotatably mounted on the third mounting plate 3, and the auxiliary block 81 is in active contact with the fixed blocks 83 and 53.

[0031] In the above embodiment, when the opening and closing operating shaft 4 and the grounding operating shaft 5 rotate, they are limited by the auxiliary block 81 to 53 and the first shift block 82.

[0032] Working principle: When the device is in use, the status shaft 61 is first connected to the disconnector control shaft through the first mounting plate 1, the second mounting plate 2 and the third mounting plate 3, and the connecting rod 42 is driven to move by rotating the opening and closing operating shaft 4. At the same time, the connecting rod 42 causes the status shaft 61 to rotate synchronously, and the indicator 6 indicates that the disconnector is in the closed position. By rotating the grounding operating shaft 5, the connecting rod 42 drives the status shaft 61 to move, and the connecting rod 42 causes the status shaft 61 to rotate synchronously. At the same time, the indicator 6 indicates that the disconnector has completed the grounding and closing operation.

[0033] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.

Claims

1. An isolating mechanism for an isolating switch for an environmentally friendly ring main unit, comprising a first mounting plate (1), wherein the first mounting plate (1) is fixedly sleeved on the outside of the isolating switch, and characterized in that: A state shaft (61) is rotatably provided inside the first mounting plate (1), one end of the state shaft (61) is connected to the disconnector control shaft, and an indicator mark (6) is installed on the other end of the state shaft (61). A mounting frame is installed on the side of the first mounting plate (1) facing the state shaft (61), and a switch-on / off operating shaft (4) is rotatably provided on the mounting frame. A grounding operating shaft (5) is provided on one side of the switch-on / off operating shaft (4), and the grounding operating shaft (5) is rotatably installed on the mounting frame. (61) is located between the opening and closing operating shaft (4) and the grounding operating shaft (5), and the opening and closing operating shaft (4) and the grounding operating shaft (5) are both provided with connecting rods (42), and the outer ends of the two connecting rods (42) are connected to the status shaft (61). When the opening and closing operating shaft (4) and the grounding operating shaft (5) rotate, the status shaft (61) drives the indicator (6) to rotate, thereby judging the operating state of the disconnector, and the opening and closing operating shaft (4) and the grounding operating shaft (5) are both provided with a reset member.

2. The isolating mechanism of the isolating switch for an environmentally friendly ring main unit according to claim 1, characterized in that: The mounting frame comprises a second mounting plate (2) and a third mounting plate (3); a connecting rod is commonly connected between the second mounting plate (2) and the third mounting plate (3); the reset plate (41) is located between the second mounting plate (2) and the third mounting plate (3); and the indicator mark (6) is located on a side of the third mounting plate (3) facing away from the second mounting plate (2).

3. The isolation mechanism of the isolating switch for an environmentally friendly ring main unit according to claim 2, characterized in that: A rotating shaft (62) is rotatably mounted on the top of the status shaft (61), and the rotating shaft (62) is fixedly mounted on the third mounting plate (3). Gears (63) are rotatably sleeved on both the status shaft (61) and the rotating shaft (62), and the two gears (63) are meshed with each other. The indicator (6) is fixedly mounted on the end of the rotating shaft (62), and the bottom of the indicator (6) is movably connected to the status shaft (61).

4. The isolation mechanism of the isolating switch for an environmentally friendly ring main unit according to claim 3, characterized in that: The reset member comprises a reset plate (41), two reset plates (41) are provided on each of the opening and closing operating shaft (4) and the grounding operating shaft (5), telescopic cylinders (8) are provided at lower positions on the surfaces of the two reset plates (41), the two ends of the telescopic cylinders (8) are respectively fixedly connected to the surfaces of the reset plates (41), and a spring is provided in the inner cavity of the telescopic cylinders (8).

5. The isolation mechanism of the isolating switch for an environmentally friendly ring main unit according to claim 4, characterized in that: The reset plate (41) is provided with a positioning groove, and the positioning groove is slidably contacted with a fixing block (83), and the fixing block (83) is respectively installed on the second mounting plate (2) and the third mounting plate (3).

6. The isolation mechanism of the isolating switch for an environmentally friendly ring main unit according to claim 5, characterized in that: The grounding operation shaft (5) is provided with a fixed sleeve (53) on the outside, and the state shaft (61) is provided with a fixed sleeve on the first shift block (82). An auxiliary block (81) is provided between the first shift block (82) and (53). The auxiliary block (81) is rotatably mounted on the third mounting plate (3), and the auxiliary block (81) is in active contact with the fixed block (83) and (53).

Images