Detection force rod of low strain of foundation pile

Abstract

The invention relates to a construction detection device, in particular to a detection force rod of the low strain of a foundation pile, comprising a hammerhead, a hammer sleeve, a suspension gear, a plug and a movable handle, wherein the lower end of the suspension gear is connected with the hammerhead, the suspension gear is arranged in the hammer sleeve, and the hammerhead is arranged on the bottom outside the hammer sleeve; the hammer sleeve is provided with a plug slot, and the plug is inserted from the upper end of the plug slot to be tightly clamped in the lower end of the plug slot; the upper end of the suspension gear is connected to the plug; the movable handle is sheathed on the suspension gear; when the movable handle is pulled up, the suspension gear, the hammerhead and the plug are pulled to the upper end of the plug slot. The invention uses the suspension gear to fix the hammerhead on the bottom outside the hammer sleeve; when being dissembled, the hammerhead can be loosened only by pulling the movable handle to disassemble the plug to obtain the purpose of replacing hammerhead materials. The invention cancels the mode of screwed connection, thus the hammerhead and the hammer sleeve still can be conveniently assembled and dissembled after blastic deformation, thus improving replacing efficiency; the device has simple and practical structure and low cost.

Description

technical field [0001] The invention relates to a construction detection device, in particular to an exciting force rod for low-strain field detection of foundation piles which is easy to disassemble. Background technique [0002] At present, the existing low-strain detection force bar is composed of an iron handle, a counterweight, an iron hammer and a high-strength nylon hammer head. The weight of the force bar can be changed by adding or subtracting the counterweight, and the material of the force bar can be changed by replacing the nylon hammer head. However, the iron handle, the iron hammer and the nylon head are connected with a threaded button. The hammer head cannot be made of materials with too low strength. After the force bar has been used for a period of time, due to long-term impact, the threaded buckle will be squeezed and deformed, making it very difficult to disassemble the iron handle and nylon head. It is difficult to replace the force bar hammer head on s...

AI Technical Summary

Problems solved by technology

The hammer head cannot be made of materials with too low strength

After the force bar has been used for a period of time, due to long-term impact, the thread will be squeezed and deformed, making it very difficult to disassemble the iron handle and nylon head. It is difficult to replace the force bar hammer head on site as needed.

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