2results about How to "Firm support" patented technology

This utility model relates to the field of rehabilitation training medical device technology, specifically to a correction device for the sliding track of an H-rail transfer machine. The correction device has at least one component mounted on the sliding track, dividing it into at least two segments. Each correction device includes a fixed unit and a moving unit. The fixed unit is fixedly connected to the left side of the sliding track segment, and the moving unit is fixedly connected to the right side of the sliding track segment. The moving unit can move left and right relative to the fixed unit, allowing the length of the sliding track to extend or retract. The correction device in this utility model allows for a certain degree of extension or retraction of the sliding track, thereby preventing jamming caused by non-parallelism when the sliding track reaches the H-shaped track joint.

The utility model relates to the field of oil and natural gas drilling technology, especially relate to a walking device for oil drilling iron roughneck. Walking device includes walking frame, drive mechanism and walking mechanism, can install iron roughneck on walking frame, and iron roughneck is installed in the front end of walking frame through connecting piece. Through the rolling contact of the rolling surface of first gyro wheel unit and the inner side lower surface of guide rail, the rolling surface in second gyro wheel unit and the inner side upper surface of guide rail rolling contact, can effectively balance the forward torque generated by iron roughneck, ensure that walking frame moves smoothly, avoid the jamming phenomenon, greatly improve the stability and reliability of walking device operation. The walking device for oil drilling iron roughneck can install iron roughneck on the front end of walking frame, and when the drive mechanism drives walking frame to move to the far end along guide rail, the iron roughneck on walking frame extends the far end of guide rail, and can retract into guide rail when iron roughneck is on standby, effectively release the wellhead space.