Multi-arch tunnel accurate delay blasting vibration reduction auxiliary frame with warning function
The invention discloses a multi-arch tunnel accurate delay blasting vibration reduction auxiliary frame with a warning function. The auxiliary frame comprises a support, and a motor is arranged on the left side of the support; an electric telescopic rod is connected to the middle of the buzzer in a...
Saved in:
Main Authors | , , , |
---|---|
Format | Patent |
Language | Chinese English |
Published |
27.06.2023
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The invention discloses a multi-arch tunnel accurate delay blasting vibration reduction auxiliary frame with a warning function. The auxiliary frame comprises a support, and a motor is arranged on the left side of the support; an electric telescopic rod is connected to the middle of the buzzer in a penetrating mode, the left side of the electric telescopic rod is connected with the output end of a motor, the right side of the buzzer is fixed to the left side of the support, the right end of the electric telescopic rod stretches into and is clamped in a worm, and the worm is rotationally arranged in the support. The front end of the worm is engaged with a worm gear, and the middle of the worm gear is in key connection with the inner threaded rod. According to the multi-arch tunnel accurate delay blasting vibration reduction auxiliary frame with the warning function, the electric telescopic rod is installed, the output end of the motor drives the electric telescopic rod to rotate, so that the electric telescopi |
---|---|
Bibliography: | Application Number: CN202310287999 |