Interlocking device of grounding switch, circuit breaker mechanism and cable chamber door

Abstract

The utility model discloses an interlocking device of a grounding switch, a circuit breaker mechanism and a cable chamber door, which comprises a cable chamber top plate, the cable chamber door, a circuit breaker transmission assembly and a grounding transmission assembly, and the circuit breaker transmission assembly and the grounding transmission assembly are inserted on the cable chamber top plate. A cable chamber door limiting plate is formed on the surface of the inner side of the cable chamber door, two limiting holes are further formed in the cable chamber door limiting plate, the lower end of the circuit breaker transmission assembly is connected with a first guide plate, the lower end of the grounding transmission assembly is connected with a second guide plate, and the second guide plate is connected with a second guide plate. According to the utility model, the first guide plate and the second guide plate are inserted into the limiting holes to limit the cable chamber door, so that the cable chamber door can be opened only when the grounding switch and the circuit breaker are switched on at the same time; and the safety of maintenance personnel is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet interlocking mechanisms, in particular to an interlocking device for a grounding switch, a circuit breaker mechanism and a cable room door. Background Art

[0002] The inflatable cabinet is highly economical, applicable, flexible, modular, miniaturized, and intelligent, making it the choice of most users. During maintenance, in order to ensure the safety of maintenance personnel, maintenance personnel can only enter the high-voltage compartment for maintenance when it is in the grounding loop state. Therefore, the interlocking device of the grounding switch, circuit breaker mechanism and cable room door is designed, so that the cable room door can only be opened when the grounding switch and circuit breaker are closed at the same time, which not only ensures that the switch cabinet is in the grounding state, but also guarantees the safety of maintenance personnel. Utility Model Content

[0003] The utility model aims to provide an interlocking device for a grounding switch, a circuit breaker mechanism and a cable room door, wherein a first guide plate and a second guide plate are inserted into a limit hole to limit the limit plate of the cable room door, so that the cable room door can be opened only when the grounding switch and the circuit breaker are closed at the same time.

[0004] The utility model provides the following technical solutions: an interlocking device of a grounding switch, a circuit breaker mechanism and a cable room door, comprising a cable room top plate, a cable room door, a circuit breaker transmission assembly and a grounding transmission assembly, the side of the cable room top plate is connected to the cable room door, the upper end of the cable room door is connected to the circuit breaker transmission assembly and the grounding transmission assembly, the circuit breaker transmission assembly and the grounding transmission assembly are plugged into the cable room top plate, a cable room door limiting plate is formed on the inner surface of the cable room door, a jack matching the cable room door limiting plate is provided on the cable room door, two limiting holes are also provided on the cable room door limiting plate, a first guide plate is connected to the lower end of the circuit breaker transmission assembly, a second guide plate is connected to the lower end of the grounding transmission assembly, the first guide plate and the second guide plate are located between the cable room top plate and the cable room door limiting plate, and the first guide plate and the second guide plate are used to be inserted into the limiting hole to limit the cable room door.

[0005] According to the above technical solution, the grounding transmission assembly includes a second guide rod plugged into the top plate of the cable room, the upper end of the second guide rod is rotatably connected to the third connecting plate, one end of the third connecting plate is fixed to the second connecting plate, and a second connecting hole is provided on the second connecting plate, and the second connecting hole is used to connect to the three-position grounding switch. The rotation of the three-position grounding switch will drive the second connecting plate to rotate, and further make the second guide rod move up and down to control the height of the second guide plate. The second guide rod is controlled to move up and down by the on and off of the grounding switch, and the position of the second guide plate is further controlled to control the cable room door limit plate. The cable room door limit plate is controlled so that when the grounding switch is connected, the second guide plate rises to release the limit on the cable room door limit plate.

[0006] According to the above technical solution, the circuit breaker transmission assembly includes a first guide rod inserted on the top plate of the cable chamber, the upper end of the first guide rod is rotatably connected to the first connecting plate through a pin shaft, and a first connecting hole is provided on the first connecting plate. The first connecting hole is used to connect with the circuit breaker, and the on and off of the circuit breaker can control the rotation of the first connecting plate, further making the first guide rod move up and down, driving the first guide plate to move up and down, inserting the first guide plate into the limiting hole, controlling the angle of the first connecting plate through the circuit breaker, and further controlling the height of the first guide rod, so that the first guide plate is located in or on the upper side of the limiting hole, thereby controlling the limiting of the cable chamber door.

[0007] According to the above technical solution, a first plug plate is formed downward at one end of the first guide plate, and a groove is formed on the side of the first plug plate. The first plug plate cooperates with the limiting hole, and the first plug plate is inserted into the limiting hole to limit the cable room door limiting plate and lock the cable room door limiting plate.

[0008] According to the above technical solution, a second plug plate is formed upward at the other end of the first guide plate, and a guide hole is also opened on the top plate of the cable chamber. The second plug plate cooperates with the guide hole to limit the upper end movement stroke of the first guide plate through the guide hole.

[0009] Compared with the prior art, the beneficial effect achieved by the utility model is: by connecting the first guide plate at the lower end of the first guide rod, connecting the second guide plate at the lower end of the second guide rod, using the first guide plate and the second guide plate to plug the cable room door limit plate, and at the same time limiting the cable room door limit plate, the cable room door can only be opened when the grounding switch and the circuit breaker are closed at the same time, ensuring the safety of personnel during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the cable room top plate of the utility model;

[0013] Figure 3 It is a schematic diagram of the cable room door of the utility model;

[0014] Figure 4 It is a schematic diagram of the circuit breaker transmission assembly of the utility model;

[0015] Figure 5 It is a schematic diagram of the transmission assembly of the grounding switch of the utility model;

[0016] Figure 6 It is a structural schematic diagram of the first guide plate of the utility model;

[0017] In the figure: 1. cable room top plate; 11. guide hole; 12. plug hole; 2. cable room door; 21. cable room door limit plate; 211. limit hole; 3. circuit breaker transmission assembly; 31. first guide rod; 32. first guide plate; 321. first plug plate; 322. second plug plate; 323. groove; 33. first connecting plate; 331. first connecting hole; 4. grounding transmission assembly; 41. second guide rod; 42. second guide plate; 43. second connecting plate; 431. second connecting hole; 44. third connecting plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0019] See also Figures 1 to 3The utility model provides a technical solution: an interlocking device of a grounding switch, a circuit breaker mechanism and a cable room door, comprising a cable room top plate 1, a cable room door 2, a circuit breaker transmission assembly 3 and a grounding transmission assembly 4, the side of the cable room top plate 1 is connected to the cable room door 2, the upper end of the cable room door 2 is connected to the circuit breaker transmission assembly 3 and the grounding transmission assembly 4, the circuit breaker transmission assembly 3 and the grounding transmission assembly 4 are plugged into the cable room top plate 1, and move up and down in the cable room top plate 1, a cable room door limiting plate 21 is formed on the inner surface of the cable room door 2, a socket 12 cooperating with the cable room door limiting plate 21 is provided on the cable room door 2, when the cable room door 2 is closed, the cable room door limiting plate 21 is inserted into the socket 12, and the cable room door limiting plate 21 is also provided with two limiting holes 211, the circuit breaker transmission assembly The lower end of the component 3 is connected to a first guide plate 32, and the lower end of the grounding transmission component 4 is connected to a second guide plate 42. The first guide plate 32 and the second guide plate 42 are located between the cable room top plate 1 and the cable room door limit plate 21. The first guide plate 32 and the second guide plate 42 are used to be inserted into the limit hole 211 to limit the cable room door 2, and the cable room door limit plate 21 is locked in the socket 12. By closing the grounding switch and the circuit breaker, the grounding transmission component 4 and the circuit breaker transmission component 3 move upward together, and further move the first guide plate 32 and the second guide plate 42 upward, leaving the limit hole 211, and no longer limit the cable room door limit plate 21, so that the cable room door 2 can be opened, thereby protecting the safety of maintenance personnel and preventing equipment leakage and energization during maintenance.

[0020] like Figure 5 As shown, the grounding transmission assembly 4 includes a second guide rod 41 plugged into the cable room top plate 1, the upper end of the second guide rod 41 is rotatably connected to the third connecting plate 44, one end of the third connecting plate 44 is fixed to the second connecting plate 43, and the second connecting plate 43 is provided with a second connecting hole 431, and the second connecting hole 431 is used to connect to the three-position grounding switch. The rotation of the three-position grounding switch will drive the second connecting plate 43 to rotate, and further make the second guide rod 41 move up and down, control the height of the second guide plate 42, and control the height of the second guide plate 42 by turning the grounding switch on and off, and further control the second guide plate 42 to limit the cable room door limit plate 21, thereby unlocking the cable room door 2.

[0021] like Figure 4As shown, the circuit breaker transmission assembly 3 includes a first guide rod 31 inserted on the cable room top plate 1, and the upper end of the first guide rod 31 is rotatably connected to the first connecting plate 33 through a pin shaft. The first connecting plate 33 is provided with a first connecting hole 331, and the first connecting hole 331 is used to connect with the circuit breaker. The on and off of the circuit breaker can control the rotation of the first connecting plate 33, and further make the first guide rod 31 move up and down, drive the first guide plate 32 to move up and down, and insert the first guide plate 32 into the limiting hole 211. The height of the first guide plate 32 is controlled by the on and off of the circuit breaker, and the first guide plate 32 is controlled to limit the cable room door limiting plate 21, and the cable room door 2 is unlocked. By simultaneously controlling the closing of the circuit breaker and the grounding switch, the first guide plate 32 and the second guide plate 42 are no longer limited to the cable room door limiting plate 21, so that the cable room door 2 can be opened.

[0022] A first plug plate 321 is formed downward at one end of the first guide plate 32, and a groove 323 is formed on the side of the first plug plate 321. The first plug plate 321 cooperates with the limiting hole 211. The first plug plate 321 is inserted into the limiting hole 211 to limit the cable room door limiting plate 21 and the lower end of the movement stroke of the circuit breaker transmission assembly 3. The second guide plate 42 has the same structure as the first guide plate 32, and the second guide plate 42 limits the stroke of the grounding transmission assembly 4.

[0023] like Figure 6 As shown, the other end of the first guide plate 32 is upwardly molded with a second plug plate 322, and a guide hole 11 is also opened on the cable room top plate 1. The second plug plate 322 cooperates with the guide hole 11, and the guide hole 11 is used to plug in the second plug plate 322. The cable room top plate 1 is located above the first guide plate 32 to limit the upper travel of the first guide plate 32.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An interlocking device for a grounding switch, a circuit breaker mechanism and a cable room door, comprising a cable room top plate, a cable room door, a circuit breaker transmission assembly and a grounding transmission assembly, wherein the side of the cable room top plate is connected to the cable room door, the upper end of the cable room door is connected to the circuit breaker transmission assembly and the grounding transmission assembly, and the circuit breaker transmission assembly and the grounding transmission assembly are plugged into the cable room top plate, characterized in that: A cable room door limit plate is formed on the inner surface of the cable room door, a socket matching the cable room door limit plate is provided on the cable room door, and two limit holes are also provided on the cable room door limit plate. The lower end of the circuit breaker transmission assembly is connected with a first guide plate, and the lower end of the grounding transmission assembly is connected with a second guide plate. The first guide plate and the second guide plate are located between the cable room top plate and the cable room door limit plate, and the first guide plate and the second guide plate are used to be inserted into the limit hole to limit the cable room door.

2. The interlocking device of the grounding switch, circuit breaker mechanism and cable room door according to claim 1 is characterized in that: The grounding transmission assembly includes a second guide rod plugged into the top plate of the cable chamber, the upper end of the second guide rod is rotatably connected to the third connecting plate, one end of the third connecting plate is fixed to the second connecting plate, and the second connecting plate is provided with a second connecting hole, and the second connecting hole is used to connect to the three-position grounding switch. The rotation of the three-position grounding switch will drive the second connecting plate to rotate, further causing the second guide rod to move up and down, thereby controlling the height of the second guide plate.

3. The interlocking device of the grounding switch, circuit breaker mechanism and cable room door according to claim 1, characterized in that: The circuit breaker transmission assembly includes a first guide rod inserted on the top plate of the cable chamber, the upper end of the first guide rod is rotatably connected to the first connecting plate through a pin shaft, and a first connecting hole is provided on the first connecting plate. The first connecting hole is used to connect with the circuit breaker. The on and off of the circuit breaker can control the rotation of the first connecting plate, further making the first guide rod move up and down, driving the first guide plate to move up and down, and inserting the first guide plate into the limiting hole.

4. The interlocking device of the grounding switch, circuit breaker mechanism and cable room door according to claim 3 is characterized in that: A first plugging plate is formed downward at one end of the first guide plate, a groove is formed on the side of the first plugging plate, and the first plugging plate is matched with the limiting hole.

5. The interlocking device of the grounding switch, circuit breaker mechanism and cable room door according to claim 4 is characterized in that: A second plug plate is formed upward at the other end of the first guide plate, and a guide hole is also opened on the top plate of the cable chamber, and the second plug plate cooperates with the guide hole.

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