65results about How to "Reduce sagging" patented technology

The utility model discloses a myopia prevention and control lens which is composed of a myopia substrate, a reinforcing layer and an OAR film layer. The center of the convex surface of the myopia substrate is a myopia eye convex surface area, the periphery of the myopia eye convex surface area is provided with an out-of-focus area, a circular micro lens is arranged in the out-of-focus area, a part of the circular micro lens has second refractive power for inhibiting myopia development, and the rest part of the myopia substrate has first refractive power for correcting myopia; the reinforcing layers comprise an inner reinforcing layer and an outer reinforcing layer, and the reinforcing layers are arranged on the convex surface and the concave surface of the myopia substrate; an OAR film layer is arranged on the strengthening layer; the center of the inner OAR film layer is a myopia concave surface area, the inner OAR film layer is provided with a point diffusion area at the periphery of the myopia concave surface area, and concave diffusion points are uniformly distributed in the point diffusion area. According to the utility model, the functions of adjusting ciliary muscles, relieving asthenopia, reducing contrast and inhibiting myopia development can be achieved.

The invention discloses a slide rail assembly, which is used for a drawer and comprises a fixed rail, a sliding rail and a sliding rail, the movable supporting frame is connected to the fixed rail in a sliding mode, the movable supporting frame is a rigid piece, a rolling piece is arranged on the movable supporting frame, and the rolling piece can roll along the fixed rail; the movable rail is slidably connected to the movable supporting frame; when the movable rail slides and extends out to the final position in the first direction, the sliding rail assembly is switched to the stretching state, the first end of the movable supporting frame is separated from the fixed rail, the first end is connected to the movable rail in a supporting mode, the second end of the movable supporting frame exceeds the movable rail in the second direction, and the second end is connected to the fixed rail in a supporting mode. The second direction is opposite to the first direction. Thus, the movable supporting frame can play a role in bearing connection between the fixed rail and the movable rail when the drawer is pulled out, and compared with a traditional plastic sliding ball frame, the movable supporting frame has higher bearing capacity and supports longer pull-out length, and the stability and bearing performance of the drawer in the pull-out process are guaranteed.

The invention relates to a battery and an electric device. The battery comprises a shell, a battery cell, an anti-explosion valve and an insulating part, and the shell is provided with a first through hole; the battery cell is accommodated in the shell, and the anti-explosion valve is connected to the shell and corresponds to the first through hole in position; the insulating part is located between the anti-explosion valve and the battery cell, the insulating part is provided with a first protrusion protruding towards the anti-explosion valve, and a first gap exists between the first protrusion and the anti-explosion valve. The battery can provide a certain deformation space for the explosion-proof valve, and the first bulge can support the deformed explosion-proof valve, so that the sinking problem of the explosion-proof valve caused by negative pressure is greatly reduced, the durability of the explosion-proof valve is further improved, and the safety of the battery is improved.

This invention discloses a tooling mold for manufacturing brake discs and a method for manufacturing brake discs. The tooling mold includes an insertion section whose shape matches the shape of the heat dissipation holes and achieves an interference fit after insertion. The end of the insertion section is fixedly connected to a sliding groove via a connecting rod. A sliding plate, which cooperates with the sliding groove, enables position adjustment of the insertion section. This invention offers flexible overall adjustment and can be used for combined adjustment of the spacing for brake discs of different sizes, facilitating operator operation. The method of manufacturing brake discs using this invention reduces the difficulty of drilling holes in carbon-carbon composite brake disc preforms, reducing processing volume; it reduces the time and material consumption required for brake disc vapor deposition; it improves the smoothness of the inner surface of the heat dissipation holes, reducing processing volume and avoiding dynamic imbalance and airflow velocity uniformity issues caused by rough holes; it promotes uniform product material, ensures uniform expansion coefficient, and reduces the probability of product cracking.

A puncture support supporting device relates to the technical field of supporting devices and comprises a vertical rod arranged vertically, a horizontal cross rod arranged on the vertical rod in a vertical sliding mode, a supporting sliding hole formed in the cross rod, a positioning inclined plane arranged at one corner of the vertical rod, a locking bolt connected to the cross rod in a threaded mode, and the tail end of the locking bolt abuts against the positioning inclined plane. A supporting base is horizontally and slidably arranged at the end, away from the vertical rod, of the transverse rod and is further arranged in a lifting mode in the vertical direction. The problems that according to a device in the prior art, due to the fact that a transverse rod and a vertical rod are combined too tightly, smoothness of up-down adjustment is affected, and if a gap is too large, the far end of the transverse rod droops, and accuracy is affected are solved; and in the up-and-down adjusting process of the cross rod, several fixed heights need to be matched, so that an existing device cannot quickly and accurately adjust the cross rod in place.

The utility model discloses a fireproof door 7 character shape reinforcing hinge lining, relates to fireproof door hinge technical field, including door frame, the inboard rotation of door frame is connected with fireproof door body, a plurality of hinge components are commonly installed between door frame and fireproof door body, a plurality of left reinforcing plates are fixedly installed to the outboard of fireproof door body, the utility model discloses when using, through the left reinforcing plate and right reinforcing plate of 7 character shape can effectively from horizontal direction to fireproof door body and door frame reinforce support, left reinforcing plate disperses the tensile force of fireproof door body horizontal transversely, avoids the bolt single point stress on left lining, right reinforcing plate improves right lining and door frame connection intensity, and the normal opening and closing of both common effect guarantee fireproof door, and can effectively reduce due to lining bolt slack, make hinge shaft stress deviation, and then make the phenomenon of door leaf droop.

The invention discloses a smooth surface modeling method based on 3D Gaussian, and the method comprises the following steps: carrying out data preprocessing: carrying out the motion structure matching of a collected image group, carrying out the camera parameter reasoning, obtaining a corresponding camera parameter, and constructing an initialization point cloud; performing mask estimation; performing normal estimation; performing training modeling, including loading image group camera parameters obtained by the preprocessing part, initializing a point cloud, a mask image group and normal direction data, initializing to construct a 3D Gaussian set, and obtaining a more accurate sparse Gaussian set through initialization training iteration; modeling training is carried out by starting from a sparse Gaussian set of an initialization module in combination with an image sequence and data in a normal direction, fine adjustment is carried out on the model, finally model modeling is completed, and a 3D Gaussian model is obtained; and carrying out grid conversion, and carrying out grid Poisson reconstruction according to the point cloud with the normal direction obtained by rendering sampling to obtain a final grid model.

The utility model relates to the technical field of corn cultivation, and discloses a cultivation rack for corn cultivation, which comprises a liquid collecting frame, side plates are fixedly connected to two sides of the upper surface of the liquid collecting frame, and a cultivation assembly is arranged outside the liquid collecting frame; the cultivation assembly comprises two fixing frames, a plurality of baffles are slidably connected into the two fixing frames, a threaded groove is formed in the middle of one fixing frame, a stud is in threaded connection with the middle of one fixing frame through the threaded groove, and a cross button is fixedly connected to one end of the stud. The corn cultivation device is suitable for the full-period growth requirement of corn from germination to adult plants, the position of the baffle can be conveniently adjusted according to the growth of the plants, the position of the baffle is locked in cooperation with the pushing plate, a liquid leakage plate and a flow guide structure are integrated at the bottom, waste of cultivation liquid is effectively reduced, and secondary utilization is supported; the elastic plates are driven by the springs to form a flexible clamping structure, and wind-resistant support is provided when the corn plants grow to the high position.

The utility model relates to a wet curtain air cooler which comprises a machine shell with an air outlet, a wet curtain detachably and fixedly connected to the machine shell and a fan fixedly connected to the machine shell in a penetrating mode and further comprises a conveying pipe, sponge, a water outlet pipe and a buffer plate, the sponge is detachably and fixedly connected into the machine shell, and the situation that the wet curtain is sunken due to impact force can be reduced; water flowing out of the water outlet pipe is buffered through the buffer plate, the flow speed of the water can be effectively reduced, the situation that the wet curtain is sunken due to impact force can be reduced, secondary buffering can be conducted on the water through the sponge, the impact force of the water can be greatly reduced, and the service life of the wet curtain is prolonged. Meanwhile, the sponge absorbs water to be saturated and then falls on the wet curtain, the water can be conveyed, particles in the water can be filtered out, the sponge can be conveniently replaced by personnel through the detachable sponge, and bacteria in the sponge are reduced.

The present invention relates to an expansion joint suitable for a low-headroom lightweight busbar, comprising: a first and a second expansion joint arranged in parallel; a first flow taker, one end of which is fixedly connected to the first expansion joint, and a lower pressure plate is fixedly arranged at the bottom of the other end; a second flow taker, one end of which is fixedly connected to the second expansion joint, and a lower pressure plate is fixedly arranged at the bottom of the other end; the lower pressure plate has a horizontal section arranged horizontally, a groove is provided in the horizontal section, and a pressure block is installed in the horizontal section, the top of which is against the second expansion joint or the bottom of the first expansion joint; the pressure block cooperates with the bottom of the flow taker to clamp the second expansion joint or the first expansion joint, and the first flow taker is slidably connected to the second expansion joint or the second flow taker is slidably connected to the first expansion joint; the first expansion joint can slide relative to the second expansion joint to ensure the stable operation of the locomotive and improve the safety and reliability of the locomotive operation.

The present disclosure provides a semiconductor device manufacturing method and a semiconductor device, belonging to the field of semiconductor technology. The method includes: providing a semiconductor substrate, including a first region and a second region, the upper surface of the first region is a dielectric layer; using a first mask layer to form a first conductive layer on the upper surface of the second region; using a second mask layer to selectively etch the dielectric layer and the first conductive layer to form a bit line contact hole in the first region and a gate electrode in the second region; forming a barrier layer; forming a second conductive layer to fill the gap between the bit line contact hole and the gate electrode, and cover the upper surface of the gate electrode; using a third mask layer to selectively etch the second conductive layer and the barrier layer to form a bit line structure in the first region and a gate structure in the second region. The present disclosure can improve the bit line contact, reduce the RC delay of the capacitor, and improve the poor contour depression of the peripheral gate structure, thereby improving device performance.

An absorbent article is provided comprising a chassis comprising a central longitudinal axis and an absorbent core. The base structure includes a front waist region and a landing region and an elastic waist feature both positioned in the front waist region. The resilient waist feature includes a first end edge positioned proximate the front waist edge. The elastic waist feature: overlaps a portion of the landing zone at a longitudinal distance Y; and in overlapping relationship with a portion of the absorbent core in the front waist region at a longitudinal distance X. The resilient waist feature has a longitudinal distance W between the first end edge and the second end edge. The ratio of the distance X to the distance W is at least 0.4, and the ratio of the distance Y to the distance W is at least 0.4.

The invention relates to a cathodic disbonding resistant coating which comprises a component A and a component B. The mass ratio of the component A to the component B is 20: (3-5). The component A comprises the following components in parts by weight: 25-31 parts of bisphenol A epoxy resin; 4-5 parts of a reactive diluent; 0.5 to 1.5 parts of an anti-sagging auxiliary agent; 0.3 to 0.8 part of a dispersant; 8 to 12 parts of titanium dioxide; 2-5 parts of iron oxide red; 5-8 parts of an anti-rust pigment; 2-3 parts of polyamide wax; 28-37 parts of a functional filler; the component B is phenolic aldehyde amine resin; the cathodic disbonding resistant coating disclosed by the invention is simple in preparation method, excellent in corrosion resistance, capable of being thickly coated and suitable for a long-term application environment.

The utility model relates to the technical field of welding heads, and provides an elastic floating type welding head which comprises a welding head body and a welding seat coaxial with the welding head body, the welding seat comprises a welding seat cylinder and a supporting piece arranged on the upper surface of the welding seat cylinder, an elastic piece is arranged in the welding seat cylinder, and the supporting piece abuts against the elastic piece. The supporting piece can ascend and descend in the height direction of the welding base cylinder. The elastic part is arranged for buffering when the supporting part is subjected to impact force, the welding seat can elastically float according to the actual stress condition of the metal part in the welding process, the sinking problem of the welding position of the metal part caused by rigid abutting is effectively solved, and therefore the beneficial effect that the surface structure integrity of the welding position is ensured is achieved.

The utility model relates to the technical field of cigarette machine equipment, in particular to an opening stabilizing device for cigarette filter tows. The device comprises a rack in which tows can be placed, and an opening assembly mounted at the top of the rack, the opening assembly comprises a base plate, a pressing roller, a driving roller and a motor, the base plate is vertically installed on the top of the rack, the pressing roller and the driving roller are installed on the side wall of the same side of the base plate in parallel, and a gap allowing tows to penetrate through is formed between the driving roller and the pressing roller; the motor is installed on the side wall of the other side of the base plate, and an output shaft of the motor penetrates through the base plate to be connected with the driving roller so that the driving roller and the pressing roller can press and open the tows. The draw resistance opening device is simple in structure, the operation method is simple and rapid, the situations of filament breaking, filament flying and the like of filament bundles can be effectively avoided through the opening assembly, and draw resistance fluctuation and the standard value of draw resistance are more stable.

The utility model relates to the technical field of wire core copper plating, in particular to a copper plating device for an internal wire core of an enameled wire. According to an existing wire core copper plating device, an inner wire core of an enameled wire is usually directly put into a reaction tank for copper plating, dirt and oxide exist on the surface of the wire core, and the adhesive force and the uniformity of a copper plating layer can be affected; according to the technical scheme, the copper plating device for the inner wire core of the enameled wire comprises a guiding assembly, a filtering assembly, a flushing assembly, a drying assembly, a reaction assembly and a polishing assembly; compared with a traditional wire core copper plating device which does not carry out effective cleaning before copper plating so that copper plating is not uniform, the method of carrying out acid pickling on the surface of the wire core before copper plating is used for removing dirt and oxide on the surface so as to ensure that the surface of the wire core is clean and flat, so that the quality and the uniformity of a copper plating layer are ensured, and the production efficiency is improved. And then the residual acidic cleaning solution is washed away, so that the situation that chemical substances in the cleaning agent possibly react with the copper layer, and consequently the electrical property of the copper plating layer is reduced is prevented.

The invention provides a polyester fabric crease-resistant winding device, and relates to the technical field of fabric winding, the polyester fabric crease-resistant winding device comprises a fixed box, a suspension chain transmission mechanism assembled on the fixed box, a plurality of clamping assemblies arranged at intervals and arranged below the suspension chain transmission mechanism in a transmission manner, a crease-resistant assembly arranged on the fixed box, and a winding drum detachably arranged on the fixed box; a polyester fabric is clamped below the clamping assembly; a mounting seat for assembling the winding drum is fixedly arranged on the fixed box, so that the winding drum can be mounted on the fixed box and dismounted from the fixed box; the polyester fabric moves along the suspension chain transmission mechanism under the action of the clamping assembly, so that the polyester fabric is wound in a vertical state, the phenomenon that the polyester fabric droops or is not flat due to the direct action of gravity is avoided, and when the polyester fabric is wound in the vertical state, the polyester fabric can be continuously wound under the action of the gravity. And the polyester fabric can keep better tension and flatness, wrinkles and pits are reduced, and therefore the overall winding quality is improved.

The present invention relates to a method for manufacturing a mask for an OLED, and more particularly, to a method for manufacturing a mask for an OLED, which can be manufactured by applying existing semiconductor equipment, thereby reducing manufacturing time and minimizing droop of the mask. The manufacturing method of the metal-containing mask for the OLED comprises the following steps: providing a substrate; forming a photosensitive film on the first surface of the substrate; forming a pattern on the photosensitive film; a first etching step of etching a portion of the substrate corresponding to the pattern; and a second etching step of etching the second surface of the substrate to form a pattern hole corresponding to the pattern.

The present invention relates to a mask for an OLED and a method for manufacturing the same, and more particularly, to a mask for an OLED and a method for manufacturing the same, which can be manufactured by applying existing semiconductor equipment without additional equipment. The method for manufacturing a mask for an OLED includes: a step of providing a first substrate formed of a metal in which a plurality of first holes are formed; a step of manufacturing a mask by attaching a second substrate having a different coefficient of thermal expansion from that of the first substrate to the lower surface of the first substrate; and a step of heating the mask.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

This utility model discloses a pressure test device for hydrogeological engineering surveys, including a main body and a support mechanism located on one side of the main body. This support mechanism reduces the sagging caused by the device connecting to the hose through bottom support, ensuring the stability of the connection end. The support mechanism includes a side frame fixedly connected to one side of the foot pad. Water is introduced through an external hose when the valve body is opened. Water is introduced into the pressure test air chamber at one end of the water inlet pipe through a water meter and the valve body. After being pressurized in the pressure test air chamber, water is discharged through a drain pipe. This effectively reduces the sagging caused by the device connecting to the external hose during the assembly and use of pressure tests in hydrogeological engineering surveys. This also ensures that during long-term use, the connection end is not affected by external force accidental contact or impact force generated during water supply, thus reducing the shaking amplitude caused by the impact force. This improves the confidentiality of the connection and reduces the occurrence of water leakage after loosening.

The utility model relates to an edge cleaning mechanism for laminated boards, and belongs to the technical field of board processing, the edge cleaning mechanism comprises a mounting frame and a guide plate, the guide plate is slidably arranged on the mounting frame, the sliding direction of the mounting frame is crossed with the length direction of the mounting frame, the mounting frame is provided with a damping part, the damping part is connected with the guide plate, and the damping part is connected with the guide plate. And a scraper assembly is arranged on the guide plate. According to the laminated board, the edge cleaning effect of the laminated board can be improved, and the product yield of the laminated board can be improved. In addition, the device can be suitable for a high-speed line with the fast rhythm, the offset of the laminated board on the conveying line can be compensated through the damping piece, and therefore the device can adapt to large offset during board conveying, and the application range is wide.

The invention discloses an investment material for casting large thick-wall parts. The investment material comprises the following components in percentage by weight: 30%-60% of petroleum wax, 30%-60% of tackifying resin, 1%-15% of synthetic wax and 1%-10% of a first high-molecular polymer. According to the investment material disclosed by the invention, the components are adopted, and the first high-molecular polymer is added, so that intertwining and crosslinking of molecular chains are realized, and the strength of an unsolidified layer in a thick-wall part of an investment is improved. And after the fired mold is demolded and freely cooled, the surface of the fired mold has a lower recess or shrinkage recess or even has no surface recess. In addition, the bending strength of the investment material is also improved.

The utility model relates to the technical field of motorcycle fuel tank production, and provides compression molding equipment for motorcycle fuel tank production, which comprises an ejector block and a lifting plate, the lifting plate is connected with four fixing rods in a sliding manner, a through hole is formed in a concave die block, the ejector block is matched with the through hole, and a first spring is sleeved on each fixing rod. The material pressing mechanism is used for controlling the feeding speed and comprises a material pressing ring, the material pressing ring is in sliding fit with the male die block, a plurality of sliding rods are fixedly connected to the material pressing ring, the top ends of the sliding rods penetrate through the upper mounting base to be connected with limiting blocks, guide columns are fixedly connected to the four corners of the bottom end of the first mounting plate, and the bottom ends of the guide columns penetrate through the material pressing ring. According to the device, a finished product is dragged out through the ejection block, and due to the fact that the contact area between the ejection block and the finished product is large, the stress point of the finished product is lowered, and the problem that the finished product is sunken due to the fact that local stress is too large is solved.

The application belongs to the technical field of flue gas treatment, in particular to a dust removal and treatment device for flue gas of a zinc oxide production kiln, comprising a dust removal box, an air inlet is arranged on one side of the upper end of the dust removal box, a connecting pipe is communicated with one side of the dust removal box, a treatment box is communicated with one end of the connecting pipe, a partition plate is fixedly connected to one side of the inner cavity wall of the dust removal box, a filter bag is fixedly connected to the through hole in the middle of the partition plate, and an adjustable supporting assembly is arranged on one side of the inner cavity of the dust removal box. The cleaning assembly is used to regularly clean the outer surface of the filter bag by the brush roller, so that the filter bag can be kept clean. The problem that the filter holes are blocked by dust, thereby affecting the flue gas passing property and the subsequent filtering effect, is avoided.

A semiconductor structure and a method for forming the same, the method comprising: providing a substrate, the substrate comprising a core region for forming a core device; forming a dummy gate on the substrate; forming source-drain doping regions in the substrate on both sides of the dummy gate; forming an interlayer dielectric layer covering the source-drain doping regions on both sides of the dummy gate; removing the dummy gate and forming a gate opening in the interlayer dielectric layer; ion doping the interlayer dielectric layer in the core region, suitable for improving the etching resistance of the interlayer dielectric layer in the core region; after forming the gate opening and after ion doping, forming a gate filling the gate opening. The embodiments of the present invention are conducive to improving the production yield and the performance of semiconductor structures.

This utility model provides a supportive lifting bra, including side wings, cups, and a support portion. The side wings surround the torso, the cups cover the breasts, and the support portion is located on the side of the cup facing the breast. The support portion is fixedly or detachably connected to the bottom of the cup. The support portion includes one of an oil bag, a lamb's body oil bag, and a jelly-like powder tablet. This design allows the support portion to conform to the bottom edge of the breast from bottom to top, forming a continuous and uniform support surface for the breast soft tissue, reducing the instantaneous tensile stress of gravity, and slowing down the sagging and drooping caused by long-term traction on the breast suspensory ligaments. When the support is made of oil-filled pads or lamb-shaped oil-filled pads, it becomes soft and fluid under body temperature, adapting to the shape of the breasts and filling the gap between the breasts and the cups, avoiding empty cups and local pressure marks. When the support is made of gel-like powder, it provides moderate elasticity when compressed, forming a three-dimensional force system with the side wings, transferring some weight to the back and shoulders, reducing pressure on the chest. At the same time, it generates a directional force inward, causing fat from the outer and lower sides to flow towards the cleavage area, enhancing the gathering effect.

The utility model relates to the technical field of balance cranes, and discloses a telescopic arm structure of a balance crane, which comprises a balance crane main body, the balance crane main body further comprises a telescopic arm module, and the telescopic arm module comprises a telescopic shell arranged on a stand column; the telescopic component is movably mounted in the telescopic shell; the number of the fixed pulleys is two, and the fixed pulleys are installed at the top end and one side of the stand column respectively; the motor is arranged on one side of the top end of the bottom plate, and a rotating disc is arranged on the motor; the tail end of the steel cable is fixedly connected with a rotating disc of the motor, the other end of the steel cable is connected with one side of the top end of the telescopic component, and the steel cable is connected with the two fixed pulleys; by arranging the telescopic arm module, the movement path of the steel cable can be effectively guided through the two fixed pulleys, the tension of the steel cable uniformly acts on the top end of the telescopic component, the tail end supporting force when the telescopic component stretches out is enhanced, and drooping is reduced.