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CN-224231926-U - Relay protection device test platform

CN224231926UCN 224231926 UCN224231926 UCN 224231926UCN-224231926-U

Abstract

The utility model discloses a relay protection device testing platform, which belongs to the technical field of relay protection device detection and comprises a testing cavity and a sealing cover, wherein two mounting holes are formed in the sealing cover, a driving motor is arranged between the two mounting holes, the output end of the driving motor is connected with a driving gear through a driving shaft, gear assemblies are arranged on two sides of the driving gear, the gear assemblies are connected with a conversion plate, an airflow cavity is arranged above the gear assemblies, and the outer side wall of the testing cavity is fixedly connected with a hydraulic push rod through a right-angle fixing plate. According to the utility model, through the arrangement of the wave turning assembly and the wave turning plates, the wave turning racks and the wave turning gears can be utilized to drive the wave turning plates to synchronously turn over in the insulating oil, so that the insulating oil can vigorously surge in the test cavity, the working environment condition of the gas relay is simulated when a large fault occurs in the transformer, the detection is more fit for actual use, and the gas relay can normally work under the design threshold value of each triggering condition.

Inventors

  • JIANG SHIHUI

Assignees

  • 南京海恩德电气有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (7)

  1. 1. Relay protection device test platform, including test die cavity (1) and sealed cowling (2), its characterized in that, two mounting holes have been seted up on sealed cowling (2), two be provided with driving motor (3) between the mounting hole, driving motor (3) output is connected with drive gear (4) through the drive shaft, drive gear (4) both sides all are provided with gear assembly, gear assembly is connected with conversion board (7), the gear assembly top is provided with airflow chamber (10), test die cavity (1) lateral wall is through right angle fixed plate fixedly connected with hydraulic push rod (12), hydraulic push rod (12) output is connected with a plurality of unrestrained boards (16) of turning over through turning over unrestrained subassembly.
  2. 2. The relay protection device testing platform according to claim 1, wherein the top end of the testing cavity (1) is fixedly connected with the bottom end of the sealing cover (2), the outer side wall of the driving motor (3) is fixedly connected with the sealing cover (2), and the output end of the driving motor (3) is fixedly connected with the end part of the driving gear (4) through a driving shaft.
  3. 3. The relay protection device testing platform according to claim 1, wherein the gear assembly is composed of a pressurizing gear (5) and a turning gear (6), the driving gear (4) is meshed with the pressurizing gear (5), and the pressurizing gear (5) is meshed with the turning gear (6).
  4. 4. The relay protection device testing platform according to claim 3, wherein the end part of the turning gear (6) is fixedly connected with the side wall of the conversion plate (7) through a rotating shaft, the upper end and the lower end of the conversion plate (7) are fixedly connected with a plurality of limiting seats (8), and the side wall of the conversion plate (7) is rotatably connected with the inner side wall of the mounting hole on the sealing cover (2).
  5. 5. The relay protection device testing platform according to claim 3, wherein the sealing cover (2) is fixedly connected with a ventilation cavity (9) on the pressurizing gear (5) and the overturning gear (6), the top end of the ventilation cavity (9) is mutually communicated with the airflow cavity (10), and the left side wall and the right side wall of the testing cavity (1) are fixedly connected with a testing air pump (11).
  6. 6. The relay protection device testing platform according to claim 1, wherein the wave turning assembly comprises a wave turning rack (13) and a plurality of wave turning gears (15), the output end of the hydraulic push rod (12) is fixedly connected with the end part of the wave turning rack (13), the outer side wall of the testing cavity (1) is fixedly connected with a limit guide rail (14), and the outer side wall of the wave turning rack (13) is slidably connected with the inner side wall of the limit guide rail (14).
  7. 7. The relay protection device testing platform according to claim 6, wherein the wave turning racks (13) are respectively meshed with a plurality of wave turning gears (15), the ends of the wave turning gears (15) are fixedly connected with the ends of the wave turning plates (16) through pin shafts, and the pin shafts are rotatably connected with the side walls of the testing cavity (1).

Description

Relay protection device test platform Technical Field The utility model relates to the technical field of relay protection device detection, in particular to a relay protection device testing platform. Background The relay protection device is key equipment for detecting faults and rapidly isolating fault parts in the power system, and the relay protection device is selected by combining the power grid structure, the voltage class and the equipment characteristics. The relay is the most common relay protection device at present, wherein the transformer is in daily use, when slight trouble (such as local overheat, insulating material decomposition) takes place in the transformer inside, insulating oil decomposition produces gas (such as hydrogen, methane), gas rises to gas relay top and gathers, trigger gas relay float subsidence or gas volume sensor, send the alarm signal, realize the protection under the transformer gas focus state, simultaneously when serious trouble takes place in the transformer inside (such as short circuit, electric arc discharge), the trouble energy leads to the oil flow violently to surge, impact baffle or the float of gas relay, when oil flow velocity exceeds the threshold value, impact baffle triggering mechanical mechanism, direct switch-on tripping circuit excision transformer protects, this makes the operational environment difference of gas relay under different states great, and when detecting gas relay ex-factory, normally only can detect each components and parts's normal or not, be difficult to reappear its actual use condition, cause the detection effect is poor, so a relay protection device test platform is proposed. Disclosure of utility model The utility model aims to solve the problems in the prior art and provides a relay protection device testing platform. In order to achieve the above purpose, the present utility model adopts the following technical scheme: Relay protection device test platform, including test die cavity and sealed cowling, two have been seted up on the sealed cowling the mounting hole between be provided with driving motor, the driving motor output is connected with drive gear through the drive shaft, the drive gear both sides all are provided with gear assembly, gear assembly is connected with the conversion board, the gear assembly top is provided with the air current chamber, test die cavity lateral wall is through right angle fixed plate fixedly connected with hydraulic push rod, hydraulic push rod output is connected with a plurality of unrestrained boards of turning over through turning over unrestrained subassembly. Preferably, the top end of the test cavity is fixedly connected with the bottom end of the sealing cover, the outer side wall of the driving motor is fixedly connected with the sealing cover, and the output end of the driving motor is fixedly connected with the end part of the driving gear through a driving shaft. Preferably, the gear assembly is composed of a pressurizing gear and a turning gear, the driving gear is meshed with the pressurizing gear, and the pressurizing gear is meshed with the turning gear. Preferably, the tip of upset gear passes through pivot and conversion board lateral wall fixed connection, the equal fixedly connected with of conversion board upper and lower extreme is a plurality of spacing seats, the conversion board lateral wall rotates with the mounting hole inside wall on the sealed cowling and is connected. Preferably, the seal cover is fixedly connected with a ventilation cavity on the pressurizing gear and the overturning gear, the top end of the ventilation cavity is communicated with the airflow cavity, and the left side wall and the right side wall of the test cavity are fixedly connected with a test air pump. Preferably, the wave turning assembly consists of a wave turning rack and a plurality of wave turning gears, the output end of the hydraulic push rod is fixedly connected with the end part of the wave turning rack, the outer side wall of the test cavity is fixedly connected with a limit guide rail, and the outer side wall of the wave turning rack is in sliding connection with the inner side wall of the limit guide rail. Preferably, the wave turning rack is respectively meshed with a plurality of wave turning gears, the end parts of the wave turning gears are fixedly connected with the end parts of the wave turning plates through pin shafts, and the pin shafts are rotatably connected with the side walls of the test cavity. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the scheme, the turnover gear and the conversion plate are arranged, the turnover gear can rotate to drive the conversion plate to rotate through the rotating shaft, then the gas relay to be tested is transferred into the test cavity, the gas relay after the test is completed is transferred out, the gas relay after the test is transferred out is taken down, and the gas relay r