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CN-224217933-U - Self-filling gas type ring main unit

CN224217933UCN 224217933 UCN224217933 UCN 224217933UCN-224217933-U

Abstract

The utility model discloses a self-filling air type ring main unit, which relates to the field of ring main units and comprises a cable chamber, wherein an air box is arranged above the cable chamber, an elastic sliding mechanism for fixing an air charging tank is arranged above the air box, the elastic sliding mechanism comprises a limiting sliding frame, the limiting sliding frame is fixedly arranged on the upper surface of the air box, the air charging tank is slidably arranged in the limiting sliding frame, a supporting rotating frame is arranged on the upper surface of the air box, and a corresponding contraction frame is arranged in the supporting rotating frame. This from filling gas formula looped netowrk cabinet, when needing to carry out stable swift installation operation, directly will correspond the shrink frame and upwards rotate for extend the spring lever simultaneous movement, and semicircle bracing piece is contradicted the top of inflating jar and is fixed it, and first semicircle pole also can be contradicted the second semicircle pole and accomplish fixedly this moment, and such design makes the operation of changing the inflating jar more simple and convenient, has improved stability in use and has accelerated fixed efficiency.

Inventors

  • LIAN YINGXIN
  • HUANG XIAOYONG
  • SONG MENGYA
  • KOU ZHIQIANG

Assignees

  • 科畅电气有限公司

Dates

Publication Date
20260508
Application Date
20250411

Claims (7)

  1. 1. The self-filling gas ring main unit comprises a cable chamber (1), wherein a gas tank (2) is arranged above the cable chamber (1), and an elastic sliding mechanism for fixing an inflatable tank (5) is arranged above the gas tank (2); The automatic air box is characterized in that the elastic sliding mechanism comprises a limiting sliding frame (6), the limiting sliding frame (6) is fixedly arranged on the upper surface of the air box (2), the air tank (5) is slidably arranged in the limiting sliding frame (6), a supporting rotating frame (7) is arranged on the upper surface of the air box (2), a corresponding contraction frame (9) is arranged in the supporting rotating frame (7), an extension spring rod (10) is arranged in the corresponding contraction frame (9), an automatic alarm (23) is arranged on the upper surface of the air box (2), and a meshing transmission mechanism for sliding the triangular sealing block (21) left and right is arranged at the other end of the automatic alarm (23).
  2. 2. The self-filling gas ring main unit according to claim 1, wherein the meshing transmission mechanism comprises a butt joint pipeline (12), the butt joint pipeline (12) is communicated with the inside of the limiting sliding frame (6), the tail end opening of the butt joint pipeline (12) is in airtight butt joint with the top opening of the gas tank (2), the mechanism box (3) is arranged above the cable chamber (1), and the secondary box (4) is arranged at the top of the mechanism box (3).
  3. 3. The self-filling gas ring main unit according to claim 2, wherein a fixed driving motor (16) is installed at the top of the gas tank (2), a fixed meshing gear (17) is installed on the outer surface of the output end of the fixed driving motor (16), the automatic alarm (23) is communicated with the inside of the fixed driving motor (16), an integrated rotating rod (19) is installed in the butt joint pipeline (12), a driving fixed gear (18) is installed on the side face of the integrated rotating rod (19), and the fixed meshing gear (17) is meshed with the driving fixed gear (18).
  4. 4. The self-filling air ring main unit according to claim 1, wherein a semicircular supporting rod (11) is arranged at the tail end of the extension spring rod (10), the rotation position of the semicircular supporting rod (11) corresponds to the installation position of the air charging tank (5), first semicircular rods (13) are arranged at the left end and the right end of the semicircular supporting rod (11), and a corresponding contraction bracket (9) is arranged at the top of the air tank (2).
  5. 5. A self-filling air ring main unit according to claim 4, wherein a second semicircular rod (14) is installed in the corresponding shrinkage frame (9), an embedded shrinkage spring (15) is installed on the outer surface of the second semicircular rod (14), the rotation track of the first semicircular rod (13) is abutted to the second semicircular rod (14), and the tail end of the second semicircular rod (14) passes through the inner portion of the abutted nesting frame (8).
  6. 6. The self-filling air ring main unit according to claim 5, wherein the outer surface of the lower end of the air charging tank (5) is contacted with the inner surface of the limit sliding frame (6) to form a sliding structure, the contact surface of the semicircular supporting rod (11) is of semicircular design, the contact surfaces of the first semicircular rod (13) and the second semicircular rod (14) are semicircular, and the inner surface of the corresponding contraction frame (9) is contacted with the tail end of the embedded contraction spring (15) to form an elastic structure.
  7. 7. The self-filling gas ring main unit according to claim 3, wherein the connecting wire group (20) is installed on the outer surface of the integral rotating rod (19), the triangular sealing blocks (21) are installed at the tail ends of the connecting wire group (20), sliding inner grooves (22) are formed in two side surfaces of the butt joint pipeline (12), and the triangular sealing blocks (21) slide along the inner parts of the sliding inner grooves (22).

Description

Self-filling gas type ring main unit Technical Field The utility model relates to the technical field of ring main units, in particular to a self-filling inflatable ring main unit. Background At present, the ring main unit is generally applied to distribution stations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, and box-type transformer substations, and has the advantages of simple structure, small volume and the like, and can improve power supply parameters and performance and enhance power supply safety. They are usually installed in outdoor cabinets to protect the equipment and ensure the continuity of the power supply. The inflatable all-insulated ring main unit has the advantages that the switch mechanism is sealed in the gas tank, when the gas pressure is abnormal, equipment failure can be possibly caused, and even safety accidents are caused, so that the pressure in the gas tank plays a vital role. In order to overcome the defects, the prior art (publication number: CN219067670U, chinese patent with application day 2023-05-23) discloses a fully-insulated fully-enclosed inflatable ring main unit, which comprises a main unit body; the sealing mechanism comprises an air bag arranged in the threading groove, the air bag can be inflated through the inflation mechanism, when the air bag is not inflated, the cable is conveniently penetrated into the cabinet body through the threading hole, the air bag is inflated at the moment, the threading hole is tightly wrapped outside the cable, the inflated air bag is filled in the threading groove, gas in the cabinet body is prevented from overflowing through gaps among the cable, the air bag and the cabinet body, and the problem that the sealing effect of an existing sealing ring is poor, and gas in the ring main unit can overflow through gaps among the cable is solved. Although the above problem can be solved, the operation of changing the air tank is too complicated, and because the air tank needs to be repeatedly inflated for use, the complex fixing operation is unfavorable for the convenient use of the equipment, the use efficiency is reduced, and meanwhile, the existing design cannot be used for corresponding inflation operation when the air tank is in a shortage, so that the inside of the equipment is lack of inflation for a long time, the stability of the conveying voltage cannot be ensured, the power of the connected equipment can be possibly caused, and the use stability is insufficient. Disclosure of utility model The utility model aims to provide a self-filling gas ring main unit, which aims to solve the problems that the operation for replacing an air charging tank is too complex, the air charging tank needs to be repeatedly inflated for use frequently, so that complex fixing operation is unfavorable for the convenience in use of equipment, the service efficiency is slowed down, and meanwhile, the existing design cannot perform corresponding inflation operation when the air tank is out of air, so that the inside of the equipment is lack of inflation for a long time, the stability of conveying voltage cannot be ensured, the power failure of connecting equipment possibly occurs, and the use stability is insufficient. The self-filling air ring main unit comprises a cable chamber, an air box is arranged above the cable chamber, an elastic sliding mechanism for fixing an air charging tank is arranged above the air box, the elastic sliding mechanism comprises a limiting sliding frame which is fixedly arranged on the upper surface of the air box, the air charging tank is slidably arranged in the limiting sliding frame, a supporting rotating frame is arranged on the upper surface of the air box, a corresponding contraction frame is arranged in the supporting rotating frame, an extension spring rod is arranged in the corresponding contraction frame, an automatic alarm is arranged on the upper surface of the air box, and a meshing transmission mechanism for sliding a triangular sealing block left and right is arranged at the other end of the automatic alarm. Further, the meshing transmission mechanism comprises a butt joint pipeline, the butt joint pipeline is communicated with the inside of the limiting sliding frame, the tail end opening of the butt joint pipeline is in airtight butt joint with the top opening of the air box, the mechanism box is arranged above the cable chamber, and the top of the mechanism box is provided with the secondary box. Further, fixed driving motor is installed at the top of gas tank, and fixed meshing gear is installed to fixed driving motor's output surface, automatic alarm and the inside switch-on of fixed driving motor, and the internally mounted of butt joint pipeline has integral type dwang, the side-mounting of integral type dwang has and drives fixed gear, and fixed meshing gear and drives fixed gear intermeshing. Further, the end of the e