一种变压器套管的盐雾试验工装

Abstract

本实用新型涉及试验工装技术领域，公开了一种变压器套管的盐雾试验工装，包括：试验箱，箱盖，所述箱盖铰接所述试验箱的顶端，盐雾发生器，所述盐雾发生器固定安装在所述试验箱的内部底端前侧，待试验套管，所述待试验套管位于所述试验箱的试验仓内部，空腔板，所述空腔板固定安装在所述试验箱的内部底端。该变压器套管的盐雾试验工装，通过各部件之间的协同配合，吸气罩产生吸力抽吸仓内盐雾，气体依次流经三通管、输气管汇入空腔板内部，盐雾从喷气孔喷出并作用于待试验套管表面，促使仓内盐雾形成流动气流，模拟户外风场冲刷待试验套管外壁，还原真实腐蚀环境，杜绝静态附着现象，提升试验贴合度。

Claims

1. A salt spray test fixture for transformer bushings, characterized in that, include: Test chamber (1); Box lid (18), which is hinged to the top of the test box (1); Salt spray generator (2), the salt spray generator (2) is fixedly installed on the front side of the bottom inside the test chamber (1); The sleeve to be tested (3) is located inside the test chamber of the test box (1); A cavity plate (4) is fixedly installed at the bottom of the test chamber (1), and a plurality of air jet holes (5) are provided on the upper surface of the cavity plate (4). Two gas supply pipes (6) are provided, and the two gas supply pipes (6) are fixed to the front surface of the test chamber (1). The gas supply pipes (6) penetrate the front side wall of the test chamber (1). The gas outlet end of the gas supply pipe (6) is fixedly connected to the cavity plate (4). The gas supply pipe (6) is connected to the interior of the cavity plate (4). A three-way pipe (7) is fixed to the front side of the test chamber (1) and penetrates the front wall of the test chamber (1); An air intake hood (8) is fixed to the air inlet end of the three-way pipe (7); Two pipe fans (9) are provided. The air inlet of the two pipe fans (9) is fixed to the two air outlets of the three-way pipe (7) respectively, and the air outlets of the two pipe fans (9) are fixed to the air inlet of the two air transmission pipes (6) respectively. Pressure relief valve (19), the pressure relief valve (19) is fixedly installed on the rear surface of the test chamber (1), and the air inlet of the pressure relief valve (19) is connected to the interior of the test chamber (1); Air guide pipe (20), which is fixedly connected to the air outlet end of the pressure relief valve (19).

2. The salt spray test fixture for transformer bushings according to claim 1, characterized in that, The number of the test sleeves (3) is multiple, and the multiple test sleeves (3) are arranged in sequence at equal intervals in the test chamber of the test box (1).

3. The salt spray test fixture for a transformer bushing of claim 1, wherein, Also includes: A crossbar (10) is provided in multiple sets. Each sleeve (3) to be tested is provided with a set of crossbars (10) at its bottom end. Each set of crossbars (10) consists of two crossbars. The crossbars (10) are rotatably connected to the test chamber (1). One end of the crossbar (10) passes through one side wall of the test chamber (1). A rubber sleeve (11) is fixedly fitted on the outer wall of the crossbar (10), and the rubber sleeve (11) is in contact with the outer wall of the sleeve (3) to be tested; The number of sprockets (12) is the same as the number of crossbars (10), and the multiple sprockets (12) are respectively fixed to the ends of the multiple crossbars (10) that penetrate one side of the test chamber (1); A chain (13) is used to drive multiple sprockets (12) together. The housing (14) is fitted onto the outside of the chain (13) and is fixedly connected to the test chamber (1); The motor (15) is fixedly installed on the front side of the housing (14) away from the surface of the test chamber (1). The output shaft of the motor (15) passes through the housing (14) and is rotatably connected to the housing (14). A rotating shaft (16) is concentrically fixed to the end of the output shaft of the motor (15), and the rotating shaft (16) is fixedly connected to a sprocket (12).

4. The salt spray test fixture for a transformer bushing of claim 1, wherein, Also includes: An electrically controlled flow regulating valve (17) is fixedly installed on the pipeline of the three-way pipe (7) near the suction hood (8).

5. The salt spray test fixture for a transformer bushing of claim 1, wherein, The air intake hood (8) has a conical, outward-expanding structure.

6. The salt spray test fixture for a transformer bushing of claim 3, wherein, The center points of the output shaft of the motor (15), the rotating shaft (16), and the sprocket (12) are all located on the same horizontal line.

Images