Tunnel multichannel rapid grouting joint device and tunnel grouting system

Abstract

The invention provides a tunnel multi-channel rapid grouting joint device and a tunnel grouting system. The tunnel multi-channel rapid grouting joint device comprises a first grouting hose, a joint, a pushing pipe, a base, a linear driving unit, a rotary driving unit and a second grouting hose. The first grouting hose is in butt joint with the hollow anchor rod; the second grouting hose is communicated with a grout outlet of the grouting machine, and the second grouting hose is communicated with the input end of the pushing pipe; the base can rotate, the pushing pipe is arranged on the base, and the pushing pipe can move between a connection position and a separation position in the radial direction under the driving of the linear driving unit; the multiple connectors are arranged on the periphery of the first axis in the circumferential direction of the first axis. A convex edge is arranged on the periphery of the pipe wall of the output end; the quick connection end of the connector is provided with a rotatable and swingable sealing piece, and when the pushing pipe is located at the connection position, the sealing piece abuts against the pushing pipe. The tunnel grouting system comprises the tunnel multi-channel rapid grouting joint device. According to the invention, multi-channel rapid grouting is realized, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of tunnel construction equipment, in particular to a tunnel multi-channel quick grouting joint device and a tunnel grouting system used in the initial support of tunnel construction. Background technique [0002] In the construction of tunnel engineering, bolts play an important role as an important system of initial support. When the radial system bolts are evenly arranged along the tunnel circumferential direction, the number of bolts in each cycle is relatively large. No matter whether the bolts are set by manual hand pneumatic drilling, or the bolts are set by rock drilling rigs or bolt drilling machines, the drilling And the installation of hollow bolts has a significant speed improvement. [0003] However, in terms of the grouting construction technology of the bolt, the grouting machine is currently used for grouting a single bolt, mainly because the grouting machine can only have a grouting outlet t...

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Problems solved by technology

[0003] However, in terms of the grouting construction technology of the anchor rod, a single anchor rod of the grouting machine is currently used for grouting, mainly because the grouting machine can only have one grouting outlet to ensure the pressure and one grouting port to connect the anchor rod. As a result, the anchor bolts can only be grouted one by one in the construction cycle, which leads to the prolongation of the anchor bolt grouting process in each cycle, and the grouting pipe needs to be disassembled and repaired after the grouting of each anchor bolt is completed. To connect the next bolt, it takes a long time to take over the pipe back and forth and the grouting process is cumbersome, which eventually leads to a long construction process of the entire bolt; what's more, some construction workers deliberately reduce the The number of grouting bolts cut corners and materials, resulting in hidden dangers to quality and safety

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