7results about How to "Maintain normal" patented technology

The utility model relates to the technical field of bridge construction, and provides a maintenance system and a movable formwork of a cast-in-place box girder, the maintenance system of the cast-in-place box girder comprises a movable spraying device and a fixed spraying device, and the movable spraying device is used for spraying and maintaining the demoulded box girder; the fixed spraying device comprises a water source, a first spraying pipeline and a plurality of rotating nozzles, one end of the first spraying pipeline is connected with the water source, the other end of the first spraying pipeline is connected with the rotating nozzles, and the rotating nozzles are used for conducting swing type spraying on the upper surface of the undemoulded box girder from the side of the undemoulded box girder. According to the maintenance system of the cast-in-place box girder, the plurality of rotary spray heads are arranged in the fixed spray device, and the rotary spray heads spray the upper surface of the undemoulded box girder from the side of the undemoulded box girder in a swinging manner, so that the maintenance blind area can be effectively reduced, each corner of the surface of the undemoulded box girder can be fully sprayed, and the maintenance efficiency of the cast-in-place box girder is improved. And the problem that concrete maintenance is not in place can be avoided.

This utility model discloses a multi-functional traveling crane system for the inspection and maintenance of the FAST ring beam, comprising: a support frame; an elastic wheel set located at the bottom of the support frame to adapt to the uneven surface of the ring beam track; a differential wheel set, including an inner diameter drive wheel and an outer diameter drive wheel, respectively matching the inner diameter track and the outer diameter track of the ring beam to achieve differential travel between the inner and outer diameters; guide wheel assemblies symmetrically arranged on both sides of the base frame to constrain the trolley to move radially along the track and prevent the traveling wheels from detaching from the ring beam track; an anti-rollover assembly, including a robotic arm and roller assembly, to prevent the trolley from tipping over; a pneumatic drive system, including a diesel air compressor, a low-speed pneumatic motor, and a transmission mechanism, to drive the differential wheel set; and two parallel traveling lifting platform tracks are provided above the support frame, on which a traveling lifting platform capable of lateral movement is installed. This utility model, through pneumatic drive, differential wheel set, and lifting platform design, achieves safe, efficient, and comprehensive inspection and maintenance operations for the ring beam.

The application discloses a kind of based on tractor three-point suspension's chopping quick dismounting device, belong to modern agricultural machinery technical field, it includes silage machine frame, chopping device, suspension device and tractor frame;The chopping device is assembled on silage machine frame, suspension device is installed on tractor frame, initial state is that silage machine frame is connected with chopping device, suspension device is connected with chopping device to be used for adjusting the angle of chopping device, silage machine frame moves on ground to adjust position, so that chopping device and silage machine frame are with preset angle and position between realization split or assembly.The application greatly shortens the dismounting process of chopping device on silage machine frame, improves the dismounting efficiency of chopping device, saves manpower and material resources, also greatly avoids the safety risk of chopping device in dismounting process.

The utility model discloses an electric toothbrush with a standing base, which comprises an electric toothbrush rod and further comprises a butt joint type shaver assembly, the butt joint type shaver assembly comprises a body, an inner pipe is arranged on one side of the body, an insertion block is installed inside the inner pipe in an insertion connection mode, a shaver is arranged on one side of the insertion block, and a metal net is arranged on one side of the shaver. A user only needs to carry one product, the requirements of oral cavity cleaning and face shaving can be met at the same time, frequent switching among different tools is not needed, and the multifunctional cleaning tool is convenient and fast to use. Due to the advanced multifunctional cleaning technology and the intelligent design, the oral cavity and the face can be cleaned and nursed more effectively, oral diseases and skin problems are prevented, and the life quality of a user is improved. Due to the compact design and the waterproof performance, the product can be normally used in different environments and is convenient to carry, and the nursing requirements of a user in different scenes are met.

The utility model provides a roller cone box assembling auxiliary device which comprises a square overturning frame formed by welding 100 mm channel steel and a supporting frame composed of two triangular supports and a cross beam, and bases of the triangular supports are fixed to a working face through foundation bolts. Fan-shaped rotating plates are symmetrically arranged below the two sides of the square overturning frame and synchronously rotate with a cone box rotating shaft through shaft holes, and the other end of the rotating shaft is connected to a bearing seat at the top of a triangular support through a spherical roller bearing. The driving mechanism is composed of a worm and gear assembly and a hand wheel, a worm gear is fixed to the extending end of the rotating shaft, and a worm mounting base is provided with a radial adjusting bolt to optimize the meshing clearance. According to the additional function design, 15-degree indexing locking holes in the edge of the fan-shaped rotating plate are matched with spring buckles for positioning; and an anti-skid rubber pad and a hand wheel anti-skid texture sleeve on the inner side of the overturning frame improve the operation stability. The device integrates rotation, transmission and positioning functions through a modular structure, and meets the precise rotation control requirement of the heavy cone box.

This utility model discloses a dental handpiece assembly and repair tool, including a repair rotating disk, a disc repair base, and a central support column. The top of the central support column is movably connected to the middle of the repair rotating disk, and the bottom of the central support column is connected to the disc repair base. The repair rotating disk is provided with a first assembly component, a second assembly component, a third assembly component, a first disassembly component, a second disassembly component, and a third disassembly component. The disc repair base is provided with a first worktable, a second worktable, a third worktable, a first assembly base, a second assembly base, and a third assembly base. The advantages are: this design can meet the repair needs of various models of dental handpieces and their various components, thus making the repair more comprehensive, and the disassembly and assembly structure is simple, improving repair efficiency.

The invention provides a multidirectional motor operation protection platform, and relates to the technical field of motors. The top of the supporting structure is fixedly connected with the storage mechanism, the supporting structure is movably connected with the connecting structure, the connecting structure is movably connected with the driving mechanism, the driving mechanism is movably connected with the linkage structure, one end of the linkage structure is movably connected with the ventilation structure, and the limiting structure is fixedly connected into the supporting structure. The limiting structure is movably connected with the adjusting mechanism, the adjusting mechanism is attached to the ventilation structure, the ventilation structure comprises a rotating column, a transmission belt, a rotating disc and fan blades, the two ends of the transmission belt are movably connected with the rotating column and the rotating disc respectively, the rotating disc is fixedly connected to the fan blades at the same time, and the rotating column can control the fan blades to rotate while rotating. And the fan blades drive air to circulate, so that the cooling efficiency of the motor during working can be effectively improved, and the situation that the temperature of the motor during working is too high is avoided.