A chain cutter assembly mechanism

Abstract

The invention provides a chain cutter assembly mechanism, which includes a cutter body, a sliding form telescopic oil cylinder, a chain knife, a sliding formwork, a driving device, a vertical mold opening and closing cylinder, a vertical formwork and a grouting pipe; the driving device is movably arranged on the knife on the body; the chain knife is assembled on the cutter body and meshed with the driving device; the sliding formwork is movably connected with the cutter body; the end of the sliding form telescopic cylinder is movably connected with the cutter body, and its front end is movably set on the sliding formwork; the grouting pipe Set on the sliding formwork, and the sliding formwork is provided with a grout outlet connected to the grouting pipe; the upper end of the vertical formwork is movably set on the sliding formwork, and the two ends of the vertical formwork opening and closing cylinder are respectively set on the sliding formwork and the vertical formwork . The overall structure of the present invention is simplified; the cutter body, the chain knife, the driving device and the driven device form a grooving mechanism, which drives the chain knife to move, and realizes cutting and circular cutting; The slurry pipe constitutes a concrete synchronous pouring mechanism, which acts synchronously with the groove cutting mechanism to realize synchronous pouring.

Description

technical field [0001] The invention relates to the field of tunnel construction machinery equipment, in particular to a chain cutter assembly mechanism. Background technique [0002] In the drilling and blasting construction of tunnels in my country, the tunnel construction technology in weak surrounding rock is a weak link compared with hard rock. The main performance is that there are not many effective anti-collapse methods and the equipment is not matched. In this case, pre-support technology is required. , The pre-cut groove method can be used for full-section or half-section construction, which can greatly improve the mechanization level of construction, and can effectively control problems such as surface settlement. [0003] In the 1990s, our country began to study pre-grooving equipment and completed the chain saw type working head of pre-grooving machine and its testing machine, but it did not carry out engineering practical application. [0004] The chain saw typ...

AI Technical Summary

Problems solved by technology

[0004] The chain saw type grooving head is its key component in the pre-grooving machine, but the existing research shows that the existing chain saw type grooving head has the following defects: (1) the chain saw type grooving head only has cutting Due to the function of the soil, it is impossible to complete the concrete grouting work after grooving. Other equipment is required to grout after grooving. There is a time separation between grooving and grouting, which is prone to soil stress release and even collapse. (2) The grouting process requires additional equipment for construction, which increases the construction burden and inconvenience of operation, and also greatly prolongs the construction period

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