42results about How to "Smooth and stable rotation" patented technology

The invention provides an automatic gluing device. The automatic gluing device comprises a rack, workpiece installation parts arranged on the rack in a rotating mode and a rotating driving mechanism which is connected with a controller to drive the workpiece installation parts to rotate. The automatic gluing device further comprises a position detection mechanism, a glue spray mechanism and a cooling mechanism which are connected with the controller and are sequentially positioned and installed on the rack around the rotating center of the workpiece installation parts. The position detection mechanism is structured to detect positions of workpieces arranged on the workpiece installation parts, the glue spray mechanism is structured to spray glue to the workpieces, and the cooling mechanismcools the glued workpiece. The rotating driving mechanism is controlled by the controller to make the workpiece installation parts sequentially be positioned to work stations of the position detection mechanism, the glue spray mechanism and the cooling mechanism. The automatic gluing device can complete the work procedures of workpiece installation position detection, gluing, cooling and the likewithout the assistance of external equipment, gluing time can be greatly shortened, and the gluing efficiency and precision can be improved.

The invention discloses a near-remote distance comprehensive transfer placing system for a building. The near-remote distance comprehensive transfer placing system comprises a translation track mechanism, a positioning mechanism, a jacking mechanism, an underpinning beam, a monitoring mechanism as well as a rotating mechanism, wherein the rotating mechanism is arranged on the lower end surface of the underpinning beam; the rotating mechanism comprises an upper rotating base and a lower rotating base; the upper rotating base and the lower rotating base are rotationally connected; an annular bulge is formed in the lower end surface of the upper rotating base; an annular groove matched with the annular bulge is formed in the upper end surface of the lower rotating base. The annular bulge and the annular groove are matched with each other, so that mutual matching of the upper rotating base and the lower rotating base can be achieved, the whole building is on a stable platform and in a rotating environment in the rotating process, internal stress generated to the building in the rotating process is effectively reduced, the building can be prevented from structural damage, and the phenomenon of crack or collapse can be effectively avoided.

The invention provides a notebook computer and a rotating shaft device. The notebook computer comprises a liquid crystal display, a host and a rotating shaft device for connecting the host and the liquid crystal display. The rotating shaft device comprises a rotating shaft body, a limit part and a rotating part, wherein the rotating shaft body comprises a first mandrel, a second mandrel and connecting rods for connecting the first mandrel and the second mandrel; the limit part is arranged on the rotating shaft body and comprises a first lug boss and a second lug boss; the rotating part comprises a first shaft sleeve and the second shaft sleeve, wherein the first shaft sleeve is internally provided with a first damping material; a third lug boss is arranged on the edge at one end of the first shaft sleeve; the first shaft sleeve is sleeved on the first mandrel; at least one point of the third lug boss contacts with at least one point of the first lug boss; the second shaft sleeve is internally provided with a second damping material; and a fourth lug boss is arranged on the edge at one end of the second shaft sleeve. By the invention, two rotating shafts are respectively pivoted with an LCD part and a host part of the notebook computer and can smoothly and reliably rotate at 0 to 360 degrees.

The invention discloses a chain linking unit and a linking structure. The linking unit includes an independent chain ring and an external chain, a head of the external chain is connected with two endsof an inner circle of the independent chain ring, an opening groove is formed in the middle position of a cross bar below the independent chain ring, an external block is arranged above the opening groove, a fixing groove is formed in the bottom of the opening groove, an adjustable moving round plate is arranged in the fixing groove, a locating round rod is arranged on a front end face of the moving round plate, and a head of the locating round rod extends out of the fixing groove and is connected with a curve-shaped column. According to the chain linking unit and the linking structure, the adjustable locating round rod and the curve-shaped column are arranged at the bottom of the independent chain ring, the position of the locating round rod is adjusted to adjust the angle of the curve-shaped column for connection with the external chain, the stability can be strengthened through adjustable main and sub sleeve plates on an external circle of the curve-shaped column, and a chain can be extended and connected in series, and is convenient to use.

The invention discloses an adjustable positioning and clamping device for a regular polygonal dynamic sculpture and an adjustable positioning method thereof. The regular polygonal dynamic sculpture comprises a stand column, a driving mechanism, a transverse support beam module, a rotating sculpture module and an adjustable positioning and clamping module; and the adjustable positioning and clamping module comprises two adjustable positioning discs, two L-shaped connecting blocks and high-strength thread connecting pieces. The dynamic sculpture is assembled by modular modules, is driven by adopting a speed reducing motor, is simple and reasonable in structure, is free of influencing overall beauty, can guarantee uniform and stable rotation, and has the advantages of high adjusting precision, simple structure, reliable connection, high positioning precision, capability of quickly mounting and dismounting and few fitting types.

The invention provides a plastic pipe surface processing technology, which uses a surface processing equipment, the surface processing equipment includes a base plate, a No. 1 fixing device, a No. 2 fixing device, a U-shaped frame, an auxiliary slide plate, a spraying adjustment device and Collecting device; it solves the problem that the spray coating mainly exists in the process of spraying the outer wall of the plastic pipe at present, and it is difficult to ensure that the thickness of the spray coating on the outer wall of the plastic pipe is uniform during the spraying process, thereby affecting the quality of the outer wall of the plastic pipe after spraying, and The spray paint is prone to condensation during the spraying process, thereby affecting the spraying effect of the spraying paint; and in the process of spraying, the plastic pipe rotates unevenly and easily shakes; further affecting the spraying effect and other problems.

The invention provides an intelligent follow-up universal wheel. The intelligent follow-up universal wheel comprises a fixing base, a rotating ring, a wheel shaft, a wheel shaft assembly, a wheel body, a transfer bearing base, connecting lugs, positioning slot holes, stopping blocks, a bearing hole, a first spring installation groove, a second spring installation groove, stopping block installation grooves and springs. According to the intelligent follow-up universal wheel, rotating is more gentle and stable, the rotating direction sense is higher, and the problem that the universal wheel is frequently shaken and waggled during rotating is solved.

A lifting appliance structure used for lifting and overturning an aircraft comprises a front lifting fame, a front lifting arm, an L-shaped lifting beam, a rear lifting frame, a locking sliding block, a front lifting clasp and a rear lifting clasp. The front lifting frame is connected with the front lifting arm through a hinge. The vertical rod end of the L-shaped lifting beam is connected with the rear lifting frame through a hinge, and the transverse rod end of the L-shaped lifting beam is connected with the front lifting arm. The locking sliding block is located on the transverse rod of the L-shaped lifting beam, and a double-lifting lug is arranged at the bottom of the locking sliding block and connected with the front lifting clasp. The front lifting clasp and the rear lifting clasp are each divided into two parts, and through holes are formed between the two parts of the front lifting clasp and the two parts of the rear lifting clasp respectively, after assembly with a front end journal and a rear end journal of the aircraft is finished, the two parts of the front lifting clasp and the two parts of the rear lifting clasp are buckled and connected through bolts. According to the scheme of the lifting appliance, the overall truss-type structure with the hinged front part and the fixedly connected rear part is adopted, and the lifting appliance structure used for lifting and overturning the aircraft is convenient to operate, simple, reliable, high in universality and suitable for rapid lifting and overturning of various wing-fuselage combination aircrafts, launch vehicles and the like, and has broad application prospects in the field of aerospace.