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4results about How to "Safe and smooth" patented technology

A highway base drilling machine

The utility model discloses a highway base drilling machine, including the mounting bracket, is equipped with the adjusting device on the mounting bracket, and the mounting bracket one side is equipped with the drill rod, is connected with the connecting device on the drill rod, and the connecting device includes the spigot, the limiting ball, the splicing mechanism, the rotary stand, the cooperation cover, the cooperation pole, the spiral groove and the connecting sleeve, and the spigot is installed in the connecting sleeve, and the limiting ball is installed in the spiral groove, and the rotary stand sets up in the cooperation cover outside, and the cooperation pole is installed in the cooperation cover outside, and the spiral groove is set up in the connecting sleeve outside, and the anti overload mechanism is connected with below spigot, and the anti overload mechanism includes the connecting rod, the installation slot, the spring, the clamping block and the clamping groove, and the connecting rod is installed below spigot, and the clamping groove is set up in the connecting rod side wall, and the installation slot is set up in the connecting sleeve inboard, and the spring is installed in the installation slot, and the clamping block one side is connected with the spring, and the clamping block other side is engaged in the clamping groove, the utility model improves the operation flexibility of highway base drilling machine, has reduced the construction risk, has improved the construction efficiency.
Owner:CHINA RAILWAY 11TH BUREAU GRP CORP LTD +2

Detection device for building materials

The utility model discloses a building material detection device, which belongs to the technical field of building material detection, and comprises a workbench, the top of the workbench is in bolted connection with a support member, the inner side of the support member is in bolted connection with a test cylinder, the bottom of the test cylinder is in bolted connection with a pressure plate, and the pressure plate is in bolted connection with the support member. The top of the workbench is in bolted connection with a protection structure, the outer side of the workbench is in bolted connection with an auxiliary structure, the top of the workbench is in bolted connection with a placing disc, the inner wall of the moving plate is in sliding connection with the outer wall of the fixing rod, and the outer side of the moving plate is in sliding connection with the inner side of the mounting block; existing building material detection generally lacks a material fixing means, only materials are simply placed, displacement is prone to occurring during pressure detection, accordingly, detection accuracy is affected, the protection performance in the detection process is low, and certain potential safety hazards exist due to the fact that the materials are broken and splashed when being pressed.
Owner:SICHUAN TAIYUAN CONSTR & INSTALLATION CO LTD