10results about How to "Guaranteed contact effect" patented technology

The application discloses an environmental protection gas load switch and belongs to the electrical equipment field, which is used to solve the problem of how to inhibit or eliminate the arc generated when the static contact and the moving contact of the load switch are disconnected. The environmental protection gas load switch comprises a shell, a moving contact, an operating mechanism, a first static contact and an arc extinguishing device. The moving contact is rotatably arranged in the interior of the shell, the operating mechanism is used for controlling the rotation of the moving contact, and the first static contact is fixedly arranged in the interior of the shell. The arc extinguishing device comprises a shell body, a rotating arm, a vacuum bubble and a reset spring, the shell body is fixedly arranged on the shell, the rotating arm is rotatably arranged on the shell body and is provided with an electrically conductive part, the electrically conductive part is arranged on the rotating path of the moving contact, the vacuum bubble is arranged on the shell body, and the two ends of the vacuum bubble are electrically connected with the electrically conductive part and the first static contact respectively, and the reset spring is arranged between the rotating arm and the shell body. When the moving contact is disconnected with the first static contact, the moving contact is electrically connected with the electrically conductive part.

A substrate placing tool for a stripping liquid test comprises an upper batten, a plurality of rectangular windows are formed in the upper batten in the length direction of the upper batten, a lower plate is fixed to the lower wall of the upper batten through screws, a plurality of grooves are formed in the upper wall of the lower plate, the grooves and the rectangular windows are in one-to-one correspondence, and the grooves are located under the corresponding rectangular windows. A plurality of rubber rings of rectangular structures are arranged on the lower wall of the upper batten, and the rubber rings and the rectangular windows are in one-to-one correspondence. According to the utility model, the upper batten and the rectangular window play a role in blocking the stripping liquid dripping on the substrate, so that the stripping liquid is prevented from dripping. A rubber ring is arranged in order to ensure that no gap exists after the upper wall of the base plate is in contact with the upper batten, and the contact effect between the base plate and the rubber ring is ensured by pushing the base plate upwards.

This disclosure provides a semiconductor device and a method for forming the same, relating to the field of semiconductor technology. The method includes: providing a substrate; forming a metal layer on the substrate, the metal layer including a plurality of spaced conductive portions; sequentially forming an insulating layer and a mask layer on the metal layer, the mask layer including a plurality of mask patterns, the orthographic projection of the mask patterns on the substrate covering the orthographic projection of the conductive portions on the substrate; etching the insulating layer through the mask layer to form trenches exposing the conductive portions; and removing the mask layer using an oxygen-free stripping gas. The semiconductor device formation method provided by this disclosure, by etching the insulating layer through the mask layer to form trenches exposing the conductive portions, and by using an oxygen-free stripping gas to remove the mask layer, avoids oxidation of the metal layer caused by the stripping gas during mask layer removal, thereby solving the problem of poor connection due to oxidation of metal wires.

The utility model provides cold-rolled ribbed steel bar rust-proof treatment equipment, and relates to the technical field of steel bar rust prevention, the inner wall of a soaking box is provided with a driving assembly used for controlling steel bars to fall, the middle of the driving assembly is provided with a fixing assembly used for fixing the steel bars, and one side of the bottom of the soaking box is provided with a set of stand columns; supporting assemblies used for supporting steel bars are fixedly installed on the upper sides of the stand columns. The horizontal movement of the sliding seat is realized by starting the driving motor, and the reinforcing steel bars are limited by the fixing assembly and the supporting assembly, so that the vertical reinforcing steel bars swing to be inclined, the reinforcing steel bars can enter the soaking box and are in full contact with an anti-rust agent, batch treatment of a plurality of reinforcing steel bars is realized, and the service life of the reinforcing steel bars is prolonged. Compared with the prior art that the reinforcing steel bars are stored one by one for soaking, the contact effect of the reinforcing steel bars and the antirust agent can be ensured while batch treatment is conducted, and the situation that the reinforcing steel bars make insufficient contact with the antirust agent due to stacking of the multiple reinforcing steel bars is avoided.

The utility model discloses a stacker drum disordered rope detecting and limiting device, which comprises a stacker main body and a limiting detection structure, the limiting detection structure is fixedly arranged on the stacker main body, the limiting detection structure comprises an installation bottom plate and an installation seat, a compression spring is arranged between the installation bottom plate and the installation seat, and the compression spring is connected with the stacker main body. The number of the compression springs is two, the two ends of each compression spring are fixedly connected with the mounting bottom plate and the mounting base correspondingly, a pressing rod is arranged on one side of the mounting base, a limiting switch is arranged above the mounting bottom plate, the limiting switch is connected with the mounting bottom plate through a screw, and the limiting switch is arranged on one side of the mounting base; the limiting switch is in contact with the inclined surface of the mounting seat, so that the device can be used for limiting a disordered rope and detecting an alarm device, and can play a role in limiting when the disordered rope amplitude is small; when the rope disorder force is large, in order to avoid damage to the steel wire rope and the winding drum, the device restrains the limiting function and starts the rope disorder detection function to give an alarm.

The invention relates to the technical field of spring production, in particular to a clamping device for machining the end face of a cylindrical spring for hydraulic equipment, which comprises a top plate, a sleeve fixedly arranged at the top of the top plate, a clamping mechanism mounted on the surface of the top plate and a limiting mechanism arranged at the bottom of the top plate, the clamping mechanism comprises a double-rod oil cylinder, a pressure applying frame, a supporting strip, an extrusion strip, a guide seat and a pressure applying oil cylinder, the double-rod oil cylinder is fixedly installed at the top of the top plate, and the pressure applying frame is fixedly arranged at the output end of the double-rod oil cylinder; according to the clamping device for machining the end face of the cylindrical spring for the hydraulic equipment, the spring can be effectively supported and clamped when the spring needing to be machined is clamped, the clamping position can be conveniently adjusted, the spring is further clamped and fixed after being positioned, then pressure is applied to the spring, the contact effect of the spring and a grinding wheel is guaranteed through pressure application, and the machining efficiency is improved. And the limiting rod extends out and is clamped to the end part of the spring, so that the clamped spring is prevented from rotating and deforming in the polishing process.

The energy-saving type emulsion wastewater treatment device comprises a bottom plate, a waste barrel and a storage barrel, the waste barrel is fixedly installed on one side of the upper end of the bottom plate, the storage barrel is fixedly installed on the other side of the upper end of the bottom plate, and an adjusting treatment structure is installed on the rear wall face of the waste barrel; the adjusting treatment structure comprises a mounting frame, a first motor, a lead screw, a moving block, a second motor and a roller. The installation frame is fixedly installed on one side of the rear wall face in the waste barrel, the first motor is fixedly installed at the upper end of the installation frame, the two ends of the lead screw are movably embedded in the upper wall face and the lower wall face of the installation frame through bearings respectively, and the upper end of the lead screw is connected with the driving end of the first motor. According to the energy-saving type emulsion wastewater treatment device, the adopted lead screw is matched with the first motor, the height of the roller can be adjusted according to the liquid level of waste liquid in the waste barrel, and the contact effect of the roller and the liquid level of the waste liquid is guaranteed.

A substrate heating carrier comprises a rectangular plate, a plurality of rectangular holes are formed in the rectangular plate from top to bottom in a penetrating mode, the rectangular holes are evenly distributed in the rectangular plate, annular grooves are formed in the upper ends of the rectangular holes, embedded grooves are formed in the two ends of the rectangular holes in the length direction respectively, penetrating rods are arranged at the bottoms of the embedded grooves in a penetrating mode, and end caps are arranged at the lower ends of the penetrating rods. The upper end of the penetrating rod is connected with an upper top plate through threads, the upper top plate is provided with a step groove, the upper end of the penetrating rod is sleeved with a spring, the spring is located between the upper top plate and the bottom of the embedded groove, the two sides of the rectangular hole in the width direction are each provided with a pair of kidney-shaped holes, and movable screws are movably arranged in the kidney-shaped holes. The upper ends of the moving screws located on the same side are connected with upper clamping plates through threads, and the upper clamping plates are located on the upper sides of the rectangular plates. According to the utility model, the substrate is convenient to take and place, the limiting and fixing effect on the substrate is improved, the problem that the substrate moves when being transferred is avoided, and the contact effect of the lower wall of the substrate and the heating block can be ensured.

The invention discloses a panoramic recognition self-timer unmanned aerial vehicle based on multi-mode perception, and relates to the technical field of unmanned aerial vehicles, the unmanned aerial vehicle comprises an unmanned aerial vehicle body, perception radars, an adjusting assembly, a camera and a temperature control assembly, the multiple perception radars are installed on the unmanned aerial vehicle body in an array mode, and the camera is installed on the unmanned aerial vehicle body through the adjusting assembly; the adjusting assembly is electrically connected with the sensing radar, a temperature control assembly is arranged on the unmanned aerial vehicle body, the internal temperature of the unmanned aerial vehicle body is controlled through the temperature control assembly, and the temperature of the unmanned aerial vehicle body is controlled through multi-mode sensing formed by the sensing radar and the camera. According to signal feedback and video analysis of the sensing radar, the camera can be controlled through the adjusting assembly to carry out multi-attitude panoramic adjustment, synchronous attitude adjustment is facilitated, the target accurate sensing and continuous tracking effect is improved, and the dynamic shooting requirement of a selfie scene can be met.

The application discloses a six-legged magnetic wall-climbing robot and a wall-climbing method thereof. The lock catch device is arranged at one end of the main frame, the mechanical hand is arranged at the hollow position of the middle part of the main frame, the camera holder is arranged at the other end of the main frame and drives the camera to rotate, three walking assemblies are arranged at the two sides of the main frame with a spacing, and the walking assembly comprises a walking driving assembly and a self-adaptive walking foot end. The self-adaptive walking foot end has a universal rotation function, can be actively adjusted, can adapt to a non-completely flat wall surface, has a good contact effect with the wall surface, prevents the occurrence of overturning accidents, reduces the accuracy requirement of the double-shaft motor after long-term work, and ensures the moving speed. The application has two new motion postures in the climbing process, and can realize the transfer from the wall surface to a wall surface perpendicular to the wall surface and another wall surface parallel to the wall surface.