CN210489470U - Inflatable Ring Main Unit Interlocking Mechanism - Google Patents

Abstract

The utility model relates to an aerify looped netowrk cabinet interlocking device, including setting up the interlocking subassembly in the switch chamber of looped netowrk cabinet, the interlocking subassembly includes the backup pad, load interlocking slider, first extension spring, ground connection interlocking slider, the second extension spring, be provided with the direction slide opening in the backup pad, load interlocking slider, ground connection interlocking slider set up respectively in the direction slide opening, load interlocking slider, be provided with load locking lever on the ground connection interlocking slider respectively, ground connection locking lever, and be provided with respectively on the door plant of cable chamber with load locking lever, the first locked groove of ground connection locking lever looks block, the second locked groove, between load interlocking slider and the load switch, be connected with wire rope between ground connection interlocking slider and the ground connection switch respectively, load interlocking slider, ground connection interlocking slider are along with load switch, ground connection switch's divide-shut brake action respectively and can slide in the backup pad, the utility model has the advantages of, Stable and reliable performance, high safety and low cost.

Description

Interlock mechanism of inflation ring main unit

Technical Field

The utility model particularly relates to an aerify looped netowrk cabinet interlocking device.

Background

At present, a Ring Main Unit (Ring Main Unit) is an electrical device in which a group of transmission and distribution electrical devices (high-voltage switch devices) are arranged in a metal or nonmetal insulating cabinet body or are made into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse, so that the Ring Main Unit has the advantages of simple structure, small size, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like. The cable chamber door in the existing ring main unit is not perfect only by screwing down the bolt or screwing down the door lock, and an operator can enter the cable chamber only by unscrewing the bolt or opening the door lock without knowing whether the cable chamber is electrified or electrified, so that the cable chamber door is unsafe. Therefore, the ring main units on the market are all provided with the interlocking devices, however, the structural design of the existing interlocking devices is unreasonable, and the ring main units have the defects of complex structure, unreliable performance and low safety.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance is reliable, high security, with low costs aerify looped netowrk cabinet interlocking device.

In order to achieve the above object, the utility model discloses an inflatable ring main unit interlocking mechanism, including the interlocking component that sets up in the switch chamber of ring main unit, the interlocking component include the backup pad that sets up in the switch chamber of ring main unit, the load interlocking slider that the activity set up in the backup pad, set up the first extension spring between load interlocking slider and backup pad, the ground connection interlocking slider that the activity set up in the backup pad, set up the second extension spring between ground connection interlocking slider and backup pad, the backup pad on be provided with the direction slide opening, load interlocking slider, ground connection interlocking slider set up respectively in the direction slide opening, load interlocking slider, ground connection interlocking slider on be provided with load locking lever, ground connection locking lever respectively, load locking lever, ground connection locking lever pass the direction slide opening respectively in proper order, the bottom plate of switch chamber and extend in the cable chamber respectively, and the door plate of the cable chamber is respectively provided with a first locking groove and a second locking groove which are clamped with the load locking rod and the grounding locking rod, steel wire ropes are respectively connected between the load interlocking sliding block and the load switch and between the grounding interlocking sliding block and the grounding switch, the load interlocking sliding block and the grounding interlocking sliding block respectively move along with the opening and closing of the load switch and the grounding switch and can slide on the supporting plate, and the locking or unlocking of the load locking rod and the grounding locking rod with the first locking groove and the second locking groove respectively is realized.

The beneficial effect of above-mentioned structure is: the interlocking assembly is arranged in a switch chamber of the ring main unit, the interlocking assembly is respectively provided with a load interlocking sliding block and a grounding interlocking sliding block which are in interlocking fit with a door plate of the cable chamber, and when the grounding switch is switched on, the grounding interlocking sliding block is unlocked with the door plate of the cable chamber, so that the door plate of the cable chamber can be opened; when the grounding switch is opened and the load switch is closed, the grounding interlocking slide block is locked with the door plate of the cable chamber, so that the door plate of the cable chamber cannot be opened, the personal safety of operators is guaranteed, and the inflatable ring main unit interlocking mechanism has the advantages of simple structure, stable and reliable performance, high safety and low cost.

Particularly, a flange is arranged on the bottom plate of the switch chamber at one side corresponding to the support plate, a clamping groove is formed between the flange and the bottom plate, and one side of the support plate is clamped in the clamping groove and forms clamping fit of the bottom plate and the support plate. The bottom plate is connected with the supporting plate in a clamping and matching mode, so that the supporting plate and the bottom plate can be assembled conveniently, the interlocking assembly is integrated on the supporting plate, the interlocking mechanism and the ring main unit can be assembled conveniently, and the assembly efficiency of products can be improved.

Drawings

Fig. 1 is a front view of the ring main unit according to the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an interlocking assembly according to an embodiment of the present invention.

Fig. 3 is a top view of a door panel of a cable chamber according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 3, an embodiment of the present invention is an inflatable ring main unit interlocking mechanism, including an interlocking component 20 disposed in a switch chamber 101 of a ring main unit 10, where the interlocking component 20 includes a support plate 21 disposed in the switch chamber 101 of the ring main unit 10, a load interlocking slider 22 movably disposed on the support plate 21, a first tension spring 23 disposed between the load interlocking slider 22 and the support plate 21, a ground interlocking slider 24 movably disposed on the support plate 21, and a second tension spring 25 disposed between the ground interlocking slider 24 and the support plate 21, where the support plate 21 is provided with a guiding slide hole 211, the load interlocking slider 22 and the ground interlocking slider 24 are respectively disposed in the guiding slide hole 211, the load interlocking slider 22 and the ground interlocking slider 24 are respectively provided with a load lock rod 221 and a ground lock rod 241, the load lock rod 221, the ground lock rod 241, The grounding lock bar 241 sequentially penetrates through the guide sliding hole 211 and the bottom plate 102 of the switch chamber 101 and extends into the cable chamber 103, the door plate 104 of the cable chamber 103 is respectively provided with a first lock groove 105 and a second lock groove 106 which are clamped with the load lock bar 221 and the grounding lock bar 241, the steel wire ropes 26 are respectively connected between the load interlocking slider 22 and the load switch and between the grounding interlocking slider 24 and the grounding switch, the load interlocking slider 22 and the grounding interlocking slider 24 respectively move along with the opening and closing of the load switch and the grounding switch and can slide on the supporting plate 21, and the locking or unlocking of the load lock bar 221 and the grounding lock bar 241 with the first lock groove 105 and the second lock groove 106 is realized.

As shown in fig. 2, a flange 107 is disposed on a side of the bottom plate 102 of the switch chamber 101 corresponding to the support plate 21, a slot is formed between the flange 107 and the bottom plate 102, and one side of the support plate 21 is engaged with the slot to form a snap fit between the bottom plate 102 and the support plate 21. The bottom plate is connected with the supporting plate in a clamping and matching mode, so that the supporting plate and the bottom plate can be assembled conveniently, the interlocking assembly is integrated on the supporting plate, the interlocking mechanism and the ring main unit can be assembled conveniently, and the assembly efficiency of products can be improved.

The interlocking assembly is arranged in a switch chamber of the ring main unit, the interlocking assembly is respectively provided with a load interlocking sliding block and a grounding interlocking sliding block which are in interlocking fit with a door plate of the cable chamber, and when the grounding switch is switched on, the grounding interlocking sliding block is unlocked with the door plate of the cable chamber, so that the door plate of the cable chamber can be opened; when the grounding switch is opened and the load switch is closed, the grounding interlocking slide block is locked with the door plate of the cable chamber, so that the door plate of the cable chamber cannot be opened, the personal safety of operators is guaranteed, and the inflatable ring main unit interlocking mechanism has the advantages of simple structure, stable and reliable performance, high safety and low cost.

Claims (2)

1. an inflatable ring main unit interlocking mechanism, comprising the interlock assembly arranged in the switch room of the ring main unit, it is characterized in that: the described interlock assembly comprises the support plate, the movable The load interlocking slide set on the support plate, the first tension spring set between the load interlock slide block and the support plate, the ground interlock slide block movably set on the support plate, and the ground interlock slide block set on the support plate The second tension spring between the second tension spring and the support plate, the support plate is provided with a guide sliding hole, the load interlocking slider and the grounding interlocking slider are respectively arranged in the guide sliding hole, the load interlocking The lock slider and the grounding interlocking slider are respectively provided with a load lock rod and a ground lock rod, and the load lock rod and the ground lock rod respectively pass through the guide sliding hole and the bottom plate of the switch room in sequence and extend in the cable room, and The door panel of the cable room is respectively provided with a first lock slot and a second lock slot which are engaged with the load lock rod and the ground lock rod. The wire ropes are respectively connected between the grounding switches. The load interlocking slider and the grounding interlocking slider move with the opening and closing of the load switch and the grounding switch respectively and can slide on the support plate, and realize the load locking rod, grounding The locking rod is locked or unlocked with the first locking groove and the second locking groove respectively. 2 . The interlocking mechanism of the inflatable ring main unit according to claim 1 , wherein the bottom plate of the switch room is provided with a flange on one side corresponding to the support plate, and a flange is formed between the flange and the bottom plate. 3 . A card slot, one side of the support plate is engaged in the card slot, and constitutes the card connection between the bottom plate and the support plate.

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