30results about How to "Keep balance and stability" patented technology

The invention provides a screw tightening mechanism for a case shell and a case assembly system. The screw tightening mechanism comprises first and second lifting object stages, a screw tightening device, a rotary operating platform, a case shell conveying device and an electrical control cabinet, wherein the first lifting object stage is used for lifting the case shell to a preset height and conveying the case shell to a workbench of the screw tightening device; the screw tightening device is used for tightening screws on the to-be-machined case shell; the second lifting object stage is used for receiving the case shell on which the screws are tightened and lifting or lowering the case shell to a preset height to allow the case shell to enter a conveying station; the rotary operating platform is used for adjusting the case shell to the proper position and angle; the case shell conveying device is used for conveying the case shell on which the screws are tightened to a following assembly station; the electrical control cabinet is used for driving the first and second lifting object stages, the screw tightening device, the rotary operating platform and the case shell conveying device to operate. The screw tightening mechanism can finish the screw tightening procedure accurately and efficiently for the case shell.

The invention discloses a self-standing tower crane and formwork integrated construction platform system. The self-standing tower crane and formwork integrated construction platform system comprises self-standing tower cranes, a steel frame device, supporting power devices, lateral resisting devices and leveling devices; the steel frame device comprises a frame platform and frame columns, and each frame column is installed on the wall body of the periphery of a core tube through the corresponding supporting power device; each supporting power device comprises a micro-convex fulcrum mechanism, an upper support frame, a lower support frame, a switchover stand column mechanism and a power mechanism, the micro-convex fulcrum devices are fixedly installed on the wall bodies of the peripheries of the core tubes, the upper support frames and the lower support frames are arranged on the upper portions and the lower portions of the micro-convex fulcrum devices in a hanging mode respectively, the switchover stand column mechanisms are put on the upper support frames, the upper portions of the power mechanisms are installed on the switchover stand column mechanisms, and the lower portions of the power mechanisms are fixedly connected with the lower support frames. According to the self-standing tower crane and formwork integrated construction platform system, a formwork and the tower cranes can be made to form an integrated structure, overall lifting is achieved, and the safety and the stability of the whole formwork during operation of the tower cranes are guaranteed.

The invention discloses a track transportation system for subway shield tunnel quick slag tapping. The track transportation system for subway shield tunnel quick slag tapping comprises a switching track fixedly installed in a shield tunnel, and further comprises multiple sections of first tracks and second tracks which are arranged in parallel at intervals and a transverse track moving device slidably installed in a shield shaft, and each first track and the corresponding second track are adjustably connected with the switching track through a turnout; the transverse track moving device comprises transverse tracks, transverse moving brackets, longitudinal tracks and a hydraulic jack, the transverse tracks are fixed to a bottom plate of the shield shaft, and the transverse moving brackets are slidably supported on the transverse tracks; the longitudinal tracks adjustably connected with the first tracks and the second tracks are fixedly installed on the tops of the transverse moving brackets; and the hydraulic jack used for providing transverse moving power for the transverse moving brackets is fixedly installed on the side wall of the shield shaft. According to the track transportation system, the connecting total length of track cars does not need to be taken into account, the effect that full-load track cars and no-load track cars simultaneously run can be achieved, and the muck transportation efficiency can be improved to the maximum limit within the limited shield shaft horizontal depth range.

A cooking robot and a method for controlling the cooking technology by adopting a gyroscope comprise the following steps of step S10, step S20, step S30, step S40 and step S50. In the course of cooking, the pre-stored vegetable program called by the controller controls the heating device to heat the frying pan to a predetermined temperature T, and the controller controls the gyroscope to tilt thefirst preset tilt angle beta according to the called pre-stored vegetable program and the gyroscope to keep balance when the first preset tilt angle beta is set. The controller controls the driving device to start, controls the driving device to drive the frying pan to tilt by the same angle according to the first preset tilt angle beta of the gyroscope, and controls the driving device to drive the frying pan to rotate according to the called pre-stored vegetable program. The application of the technical scheme can solve the problem that in the prior art, the cooking robot can not cook uniquedelicious dishes according to different side dishes by adopting exclusive cooking methods.

The invention discloses an underwater ground breaking robot. The underwater ground breaking robot comprises a track, a moving platform and an operating platform, wherein the track is arranged on a mounting platform; the moving platform can move along the track; and the operating platform is connected with the moving platform through a lifting mechanism, telescopic supporting legs and a mechanical arm are arranged on the operating platform, the mechanical arm is provided with an operating part, the telescopic supporting legs extend towards the two sides of the operating platform, the telescopic supporting legs are retracted into the operating platform in the lifting process, and the telescopic supporting legs extend to abut against the mounting platform during operation of the operating part, so that the operating platform can be kept stable. According to the underwater ground breaking robot, the mechanical arm and the telescopic supporting legs are arranged on the operating platform, the telescopic supporting legs can extend to abut against the inner wall of a vertical shaft so as to keep balance of the operating platform and provide balance torque needed during ground breaking operation, and the operating part below the operating platform is driven by the mechanical arm to conduct 360-degree ground breaking operation, so that the problem that the attitude of the operating platform cannot be stably positioned and controlled underwater can be effectively solved.

The invention discloses an upper anterior tooth 90-degree torsion appliance and a preparation method thereof, and belongs to the technical field of tooth correction. The upper anterior tooth 90-degreetorsion appliance comprises lip side traction hooks and a torsion tooth near distal tongue side buckle, wherein elastic rubber rings are arranged between the lip side traction hooks and the torsion tooth near distal tongue side buckle, a distal adjacent surface guide plate is arranged in a torsion tooth distal gap, and retention devices arranged on upper jaw molar teeth on two sides are arrow clamping rings. The lip side traction hooks and the arrow clamping rings are all embedded in an upper jaw palate side resin base support. The preparation method comprises the following steps: preparing an upper and lower jaw working model; trimming the working model; making the lip side traction hooks and a double-side rear tooth arrow clamping ring in a bending manner, making the resin base supportof the appliance through a novel injection molding process, enabling the arrow clamping rings and a traction hook tongue side to be embedded in the resin base support, and enabling the base support toextend to the distal end of a torsion tooth and form an integrated structure with the distal adjacent surface guide plate. The appliance prepared by the preparation method disclosed by the inventioncan efficiently solve the problem of severe torsion during eruption of the anterior teeth of a child, thoroughly avoids the situation that the torsion teeth do distal movement and lose tooth lacking gaps, and enables a child patient to wear comfortably.