Combined type electric hydraulic lifting height limiting portal

Abstract

The invention provides a combined type electric hydraulic lifting height limiting portal and relates to road and bridge height limiting facilities. The combined type electric hydraulic lifting height limiting portal comprises two sets of uprights, cross beams capable of being lifted, a height limiting signboard, a strobe lamp, a wireless bridge photographing and recording instrument, a Bluetooth reading head, motors and hydraulic systems. The portal can be opened and closed in electric, manual, Bluetooth, remote control, electronic manners and the like. The two sets of uprights are arranged on the two sides of a lane. Each set of uprights is composed of two parallel uprights spaced at a certain distance, and the two uprights are connected through the corresponding cross beam. Each upright is composed of three parts, wherein the lower part is connected with a ground foundation, the middle part is a middle short joint, and the upper part is an inner pipe which can be lifted and is provided with scale marks. The side of each set of uprights is provided with the corresponding motor and the corresponding hydraulic system. The height of the height limiting portal is adjusted in two directions through the supporting force of hydraulic rods, and after the motors are powered off, the hydraulic systems are controlled through pedals, work is stable, and noise is low. The portal is simple in structure, safe, reliable, high in operability and suitable for various road sections.

Description

technical field [0001] The invention relates to road and bridge height-limiting facilities, in particular to a combined automatic hydraulic lifting height-limiting mast. Background technique [0002] At present, in order to protect the bridges, culverts, and tunnels on the road, the door-type height-limiting structures (ie, height-limiting masts) are generally divided into two types: fixed and liftable. Some sections of the road must not only restrict the passage of large cargo vehicles, but also ensure the smooth passage of vehicles such as buses, snow plows, wreckers, garbage trucks, ambulances and fire engines. This kind of fixed height-limited gantry cannot achieve Require. There is also a collapsible mast, which can be opened automatically when it is hit, and cannot effectively intercept large trucks and super-high and overloaded vehicles passing through at high speed. The most widely used liftable gantry on the market is the electric liftable gantry. The motor and th...

AI Technical Summary

Problems solved by technology

The liftable beam is fixed at the required height with a steel wire rope. The safety is low, the lifting operation is not stable, the motor is exposed to wind and rain for a long time, and the failure rate is high, and the motor is installed at the liftable beam, which is difficult to maintain. Therefore, the electric can be lifted The height-limited gantry is also difficult to meet the complex traffic control requirements

Images