Airtightness detection equipment for fire-fighting pipeline

The utility model discloses fire-fighting pipeline air tightness detection equipment, which comprises a first L-shaped plate, the side surface of the first L-shaped plate is provided with an inflation device, the inflation device is fixedly connected with the first L-shaped plate, the first L-shaped plate is provided with an adjusting clamping device far away from the inflation device, the top of the first L-shaped plate is provided with a lifting device, and the bottom of the lifting device is fixedly connected with the top of the first L-shaped plate. A second L-shaped plate is arranged at the bottom of the first L-shaped plate, the second L-shaped plate is in sliding connection with the first L-shaped plate, a second T-shaped groove is formed in the bottom of the first L-shaped plate, a T-shaped block is arranged in the second T-shaped groove, the T-shaped block slides in the second T-shaped groove, the T-shaped block is fixedly connected with the second L-shaped plate, an air tightness detection box is ar