8results about How to "Break continuity" patented technology

This invention discloses an automatic finishing method and apparatus for hot-dip galvanized sheet surface, comprising: feeding and uncoiling the hot-dip galvanized sheet; establishing a reference tension and conveying the sheet forward at an environment of 25-60℃, wherein the reference tension is 1%-3% of the sheet's yield strength; the sheet is continuously conveyed forward by a pre-tensioning unit (S1), and sequentially undergoes rolling and finishing processes; wherein, rolling involves pressing a pre-set stress concentration point on the zinc layer interface of the sheet with rollers, and then using asymmetric straightening to generate asymmetric bending to guide the oxide layer within the interface to generate directional cracks; finishing involves squeezing the zinc layer into the cracks using rolling force to form a zinc-iron mechanical interlocking structure; and winding the sheet after finishing (S2) using coiling tension, wherein the coiling tension is 2%-4% of the sheet's yield strength; this method fundamentally improves the zinc layer adhesion and solves the appearance degradation caused by the Sandelin effect.

The utility model relates to a noise-reduction motor shell and a motor. The noise-reduction motor shell comprises an end cover, an inner-layer shell and an outer-layer shell, wherein the inner-layer shell and the outer-layer shell are fixedly connected with the end cover; wherein the inner shell is internally provided with an inner cavity, and the inner cavity is used for installing a motor stator and a motor rotor; the outer shell is arranged on the outer side of the inner shell in a sleeving manner; an annular gap is formed between the outer-layer shell and the inner-layer shell, the annular gap is filled with a damping material, and the damping material forms a constraint damping layer with prestress between the inner-layer shell and the outer-layer shell. According to the scheme, the constraint damping layer is arranged between the inner shell and the outer shell, so that the continuity of the overall vibration mode of the shell can be destroyed, the transmission path of vibration waves can be blocked, and when the vibration of the motor stator is transmitted to the inner shell, the vibration waves can be transmitted to the constraint damping layer through the interface of the inner shell and the constraint damping layer; due to the high internal friction characteristic of the damping material, vibration energy is converted into heat energy in the material, energy attenuation is achieved, and structural vibration is effectively reduced.

The invention relates to an automatic tunneling robot and method for underground archaeology. The robot comprises a wall-breaking tunneling head, a wall-breaking tunneling machine and a wall-breaking tunneling machine, the telescopic tunneling mechanism comprises a stepping motor, a threaded lead screw, a first supporting frame and a second supporting frame, the stepping motor is connected with the threaded lead screw in a driving mode, and the first supporting frame and the second supporting frame are installed on the threaded lead screw in a spaced mode; the threaded lead screw is used for adjusting the distance between the first supporting frame and the second supporting frame and controlling the first supporting frame and the second supporting frame to be alternately unfolded and folded. And the guiding and posture control mechanism is used for monitoring the posture of the robot body in real time and adjusting the tunneling direction of the robot. Compared with the prior art, the system integrates intelligent control and a multi-mode sensing technology, and is suitable for accurate and lossless operation in underground archaeological exploration.

A method for preparing asphalt-based hard carbon material and its application belong to the technical field of sodium-ion battery anode materials. The method involves homogenizing asphalt, a crosslinking agent, and a zinc source in a solvent, followed by heating for crosslinking and curing, and then removing the solvent to obtain a precursor material. The precursor material is then ground uniformly and subjected to high-temperature heat treatment via a stepped heating program to obtain a hard carbon material with rich pore and microcrystalline structures. By introducing a crosslinking agent to construct a three-dimensional network structure, the softening, molecular rearrangement, and excessive condensation of asphalt during pyrolysis are effectively suppressed, avoiding material densification and excessive graphitization, thus achieving the disordered structural characteristics of hard carbon. Simultaneously, the in-situ pore-forming and template-guiding effects of zinc salt during high-temperature pyrolysis significantly enrich the pore structure of the material. This method is simple and controllable. When used as an anode in sodium-ion batteries, the prepared hard carbon material exhibits high reversible specific capacity, excellent rate performance, and long-cycle stability.

The invention discloses a bearing head for chemical mechanical polishing, a polishing system and a polishing method, and belongs to the technical field of semiconductor manufacturing. The bearing head comprises a base; the gas film assembly is arranged below the base and is used for loading a wafer to be polished; the retaining ring is arranged below the base and located on the outer peripheral side of the gas film assembly; the retaining ring comprises: a fixing member disposed below the base; the movable part is arranged in the fixed part in a sliding manner, and a groove for conveying polishing liquid is formed between the bottom surface of the movable part and the bottom surface of the fixed part; the driving assembly is arranged between the base and the movable part and connected to the movable part so as to respond to abrasion of the movable part and actively drive the movable part to move in the vertical direction, so that the abrasion loss of the bottom face of the movable part is compensated, and the depth of the groove is kept constant.

This utility model discloses a concealed joint structure for exposed-frame glass curtain walls and non-glass curtain walls, including a curtain wall frame, a non-glass curtain wall, a pressure block, and a cover. The pressure block is connected to the curtain wall frame, and an adhesive joint is provided between the pressure block and the non-glass curtain wall. The cover is installed on the outside of the pressure block, and one side of the cover has an extension cover plate that covers the outside of the adhesive joint. In this utility model, the extension cover plate of the cover can cover and hide the adhesive joint, preventing the adhesive joint from being exposed and disrupting the visual continuity and integrity of the facade, ensuring the integrated aesthetic effect pursued by the architect; at the same time, it protects the adhesive joint from direct ultraviolet radiation, reduces the impact of temperature changes on the adhesive joint, extends the life of the adhesive joint, and ensures the quality and durability of the building.

The utility model relates to the technical field of glazed tile, disclose glazed tile with antiskid effect, including brick body and at least one can cooperate with the connecting piece of brick body, the brick body includes base layer and sets up the glaze layer at base layer top, the surface of glaze layer is equipped with at least one antiskid groove, the side wall of brick body is equipped with the limiting slot for accommodating the connecting piece of adjacent brick body, the connecting piece is equipped with the clamping block that can be connected with this limiting slot. In the utility model, by setting up antiskid groove at glaze layer, and fixing antiskid particle with tiny convex part in the groove, efficient physical antiskid system is constructed. The multistage rough structure can quickly destroy water film when meeting water, significantly increases the friction coefficient, greatly improves the safety under the wet and slippery environment, effectively solves the safety hidden danger that traditional glazed tile easily slips down when meeting water, provides reliable walking safety guarantee.

The present application relates to the technical field of nickel-containing waste recovery, and specifically discloses a method for producing electrolytic nickel from nickel-containing solid waste raw materials, which blends and calcines nickel-containing waste, tin-containing waste and a synergist. Tin in the tin-containing waste has a low melting point, can form a Ni3Sn2 metal compound with Ni, and can also form an alloy phase with Co and Cr, and can permeate between nickel-based alloy grains, destroying the original dense structure, effectively reducing the dissolution leaching difficulty of the nickel-based high-temperature alloy waste, and improving the dissolution leaching efficiency of nickel in the waste. Meanwhile, through the action of the synergist, rapid heating and melting can be achieved, and the ferrous iron in the nickel-containing waste can be oxidized to iron oxide, breaking the dense continuity of the original iron-nickel metal phase, reducing the subsequent dissolution leaching difficulty, and by oxidizing Fe 2+ to Fe 3+ , Fe 3+ can form a precipitate at a lower pH, and is easier to separate.