60results about How to "Reduced Scratch Damage" patented technology

The invention provides a high-scratch-resistance abrasion-resistant coating material and a preparation method thereof. The preparation method comprises the following steps: modifying the graphene surface by using active groups by a chemical modification technique to obtain modified graphene, and blending the modified graphene with polysiloxane to obtain the high-scratch-resistance abrasion-resistant nano composite coating material. The surface modification is carried out to enhance the dispersity of the graphene and the interactions between the graphene and polysiloxane matrix, thereby enhancing the mechanical properties of the coating. No pigment or filler is added. The scratch resistance of the transparent graphene/polysiloxane composite coating is enhanced by 140% or above, and the abrasion loss is reduced by 60% or above. The transparent graphene/polysiloxane composite coating has excellent adhesion, heat resistance, weather resistance, flame retardancy and corrosion resistance. The graphene/polysiloxane composite coating can be used for surface protection and shielding of various metals, plastics, wood, concrete, glass and other substrates, and is applicable to the fields of automobile paints, photoelectric materials, precision instruments, marine heavy-corrosion protection, buildings and the like.

The present invention discloses a conduit, the head of which is bendable and the bending radius is variable. The conduit comprises a main body and a head positioned at the far end of the main body and connected with the main body. The head comprises a central tube having at least one bending section; at least one set of pulling ropes respectively fixed to the corresponding one of the at least one bending section; and a guide wire penetrating into the central tube, wherein the guide wire comprises a distal portion and a proximal portion which are connected, and the harness of the distal portion is less than that of the proximal portion. The guide wire can move relative to the central tube, so that when the connection position of the distal portion and the proximal portion of the guide wire is positioned at different positions of one bending section of the at least one bending section, the bending section can be bent with different radiuses through controlling the corresponding set of pulling ropes of the at least one set of pulling ropes. The conduit can be adapted to penetration of blood vessel divergence of various shapes, angles and bending lengths.

The invention belongs to seawater fish cultivation technique, and particularly relates to an overwintering cultivation method of a seawater fish black sea bream net cage. The method specifically comprises the following steps of A, selection of a sea area, that is to say, a seawater quality index conforms to an NY5052-2001 water quality standard of seaculture of pollution-free food, the salinity is 2-3%, the pH value is 7.8-8.6 and the dissolved oxygen is more than 5 mg/L; when the water temperature of the sea area rises to more than 15 DEG C in the following spring, a black sea bream cultivation net cage is slowly hauled back to an open sea area to cultivate; B, selection of the net cable and cultivation density, that is to say, the overwintering cultivation net cage selects a conventional small net cage or a deep water net cage, a plurality of net cages form a net row type structure and are arranged in parallel along the downstream direction; during overwintering cultivation, the cultivation density of the black sea bream net cage is 8-10 g/cm<3>; C, feed selection; D, a feeding method of a feed, that is to say, feeding is not carried out under the conditions of the water temperature in winter of lower than 10 DEG C and rainy days, feeding is carried out at sunny days at more than 10 DEG C, satiation feeding is carried out at 13:30 to 15:30 at one time, and the feeding rate is controlled within 1%-2%. According to the method, successful overwintering of cultivation of the black sea bream net cage is implemented through management of the cultivation method and feed improvement.

The invention provides a covered stent post-release device and a covered stent implantation system, and relates to the technical field of medical instruments, the covered stent post-release device comprises a guide seat, a pull wire seat, a locking structure, and a first pull wire and a plurality of second pull wires which are made of flexible materials; the first stay wire is wound on the outer or inner circumferential surface of the guide seat, one end of the first stay wire is fixedly connected to the pull wire seat, and the other end is fixed to the guide seat through the locking structure; one end of each second pull wire is fixedly connected to the guide seat, and the free end of each second pull wire is fixed between the first pull wire and the guide seat; and under the condition that the pull wire seat moves away from the guide seat, the first pull wire can be separated from the guide seat, so that the free ends of the plurality of second pull wires are released. According to the invention, the technical problems of high operation difficulty and low operation success rate caused by the fact that the blood vessel is easily scratched, the blood vessel is damaged and even broken by the existing post-covered stent release device and the blood vessel is greatly damaged because all parts of the near-end part of the covered stent are simultaneously released and bounced off outwards when the near end of the covered stent is released are solved.

The invention discloses a wind turbine blade overturning vehicle. The wind turbine blade overturning vehicle comprises a vehicle frame and an overturning device mounted on the vehicle frame; the overturning device comprises a rolling ring, and further comprises a first clamp and a second clamp which are mounted on the rolling ring and face oppositely; a clamping area for wind turbine blades is formed between the first clamp and the second clamp; the first clamp is connected with the rolling ring through two position adjusting mechanisms, and a position adjusting guiding mechanism is arranged between the two position adjusting mechanisms; the position adjusting guiding mechanism comprises a guiding groove formed in the first clamp and an adjusting bearing mounted in the guiding groove; andthe guiding groove and the position adjusting mechanisms are consistent in direction, the outer diameter of the adjusting bearing is consistent with the width of the guiding groove, and the adjustingbearing is fixedly mounted on the rolling ring through bolts. The wind turbine blade overturning vehicle is simple in structure, safe and reliable, it can be ensured that the molded surfaces of the blades are better attached to the clamps and the shape following property is good, and scraping damage of the clamps to the blades in the machining process is reduced.

The invention relates to the technology of fishery breeding equipment, and aims to provide a high-throughput fry online counting device and method. The device comprises a fish fry observation channel, camera shooting equipment, a supporting frame and a fish fry temporary storage track. A water outlet is formed in the starting end of the fish fry temporary storage track; the fish fry observation channel is obliquely fixed to the middle of the supporting frame and connected with the fry temporary storage rail through a bent rail. The tail end of the fish fry observation channel is connected to the fish fry outlet section which is located on the lower portion of the supporting frame. The top of the fish fry temporary storage track is open, and the tops of the bent track, the fish fry observation channel and the fish fry outlet section are all in a closed state. Fry separation is carried out through the smooth bent rails and the slope channels, the fry passing speed is increased, the fry flux in unit time can be increased by several times, and scratching damage to fries is reduced; real-time online continuous counting of large-batch fries can be realized, the fry counting efficiency is improved, and the influence of false detection and missing detection on the counting accuracy is effectively reduced.

The invention provides a degaussing cable trough, a laying device for a ship cable and a cable laying method and relates to the technical field of cable laying. The degaussing cable trough comprises a cable trough body, a cover board and a cable fastening hook for fixing the cable, wherein the section of the cable trough body is rectangular and an opening is formed in the top; the cover board covers the opening in the top of the cable trough body; the cable fastening hook is internally arranged in the cable trough body and comprises a U-shaped bracket and two opposite and parallel lifting rods; the U-shaped bracket is formed by two vertical bars and a bottom bar; two grooves are formed in the inner side of each lifting rod and are correspondingly limited in the outer ends of the two vertical bars; and the two lifting rods are connected through a fastener. The laying device for the ship cable is formed by connecting a plurality of degaussing cable troughs and two adjacent degaussing cable troughs are connected through one sleeve. The cable laying method is implemented by adopting the laying device for the ship cable. The cable laying work of a constructor can be greatly facilitated through laying the cable in each cable trough body, and a scratched injury to the cable is reduced.

The invention discloses a window type semiconductor packaging structure capable of avoiding stripping in mold flow inlet, which mainly comprises a substrate, a chip of which the active surface is adhered onto the substrate, a chip adhering layer adhering the chip and the substrate core layer of the substrate, two or more weld lines and a mold sealing colloid. One end of a slotted hole of the substrate is formed into a mold flow beyond the chip; two or more mold flow restraining blocks are attached to the substrate core layer and positioned in places where the edge of a chip adhering zone meetsthe two sides of the slotted hole and slightly protrudes from the two sides of the mold flow inlet to restrain the impact of the mold flow on the mold sealing colloid from causing the stress of the chip adhering layer to avoid stripping in the mold flow inlet and maintain a chip adhesion clearance.

The invention discloses a detachable machine body assembly based on a backpack modular hydraulic power system. The detachable machine body assembly comprises a hydraulic oil cooling device of the backpack modular hydraulic power system used in an emergency state, wherein the hydraulic oil cooling device can be composed of a condenser and a fan, and the fan is arranged on one side of the condenser;a first columnar piece is integrally connected to one side of the fan, a second columnar piece is integrally connected to one side of the condenser, and the first columnar piece and the second columnar piece are consistent in shape and size; the first columnar piece is connected with the second columnar piece through a sleeving device; and the sleeving device comprises a first embedding part anda second embedding part, and the first embedding part and the second embedding part are the same in structure and are both in a semi-ring shape. In combination with other structures, the defects thatin the prior art, a lead screw needs to be screwed firmly or unscrewed repeatedly during assembling and disassembling through a lead screw threaded connection mode that the fan of the hydraulic oil cooling device of the backpack modular hydraulic power system is arranged on one side of the condenser, the spending period is continuous, and the performance is poor during assembling and disassemblingare effectively overcome.

The invention relates to the technical field of sheet metal machining, in particular to a sheet metal welding clamp which comprises a base, the base is of a convex structure, a sliding rail is arranged in the middle of the upper end of the base, two clamping mechanisms are slidably connected into the sliding rail, and the two clamping mechanisms are symmetrical front and back and are distributed in opposite structures; the clamping mechanism comprises two groups of movable plates, a semicircular clamping piece, a vertical frame, a supporting rod and a clamping frame, the movable plates are L-shaped, the joints of the movable plates are hinged through a hinge shaft, and the two groups of movable plates are movably connected up and down. According to the metal plate clamping device, a plurality of metal plates can be conveniently aligned and uniformly stressed and clamped, external scratches, damage and deformation of the metal plates are reduced, meanwhile, simple adjustment can be conducted according to the heights of the metal plates, the metal plates can be rapidly adjusted and clamped, the situation that the clamping mechanism is loosened or the position is affected due to long-time machining is reduced, welding work can be effectively conducted, and the working efficiency is improved; and the probability of certain potential safety hazards is reduced.

The invention discloses a metallic-plastic multi-layered photomask and a manufacturing method thereof, which are mainly used in the manufacturing technology of photoelectric products. The multi-layered photomask is composed of a metallic photomask and a resin layer formed on the surface of the metallic photomask, wherein the resin layer is softer than the metallic photomask. The manufacturing method of the multi-layered photomask comprises the following steps: performing thermal debinding on the metallic photomask, further coating the surface of the metallic photomask with a resin layer by means of electrophoresis treatment, and then, orderly performing the operations of cleaning, drying and molding, thus forming the multi-layered photomask. Due to the resin layer, the multi-layered photomask provided by the invention can achieve the effects of buffering and wear resistance in the clamping fixation work of the manufacturing technology, so that the replacement cycle and service life of the multi-layered photomask are prolonged, and the quality of the manufacturing technology is also improved.

The invention belongs to the technical field of infrared thermometers, and particularly relates to a portable folding infrared detector which comprises a body and a first support. The body is fixedlyconnected to the top of the first support, a lens is arranged at the front of the body; the bottom of the first support is fixedly connected with a second support through a rotating pin, the bottom ofthe second support is slidably connected with a supporting unit; the cross section of the first support and the cross section of the second support are H-shaped; an elastic annular clamping seat is fixedly connected to the position, corresponding to the lens, in the groove of the second support, and the lens is clamped into the annular clamping seat after the first support is folded; a hinge support is fixedly connected to the position, close to the rotating pin, of the back of the second support, a fixing rod is hinged to the hinge support, a magnetic column is fixedly connected to the end,away from the hinge support, of the fixing rod, and an adsorption groove is fixedly connected to the position, corresponding to the magnetic column, of the first support; the first support and the second support are hinged to each other, so that the body can be folded and stored by rotating the first support after being used, the size of the infrared detector is reduced, and the infrared detectoris convenient to carry.

The invention relates to the technical field of functional coatings, in particular to an anti-scratch conductive coating. The thickness of the conductive coating is 80-100 micrometers, and the conductive coating comprises, by weight, 50-80 parts of matrix resin, 10-30 parts of curing agent, 10-15 parts of inorganic filler particles, 10-50 parts of conductive powder, 3-10 parts of additives and 10-30 parts of diluent; the inorganic filler particles form protrusions on the conductive coating, the height of the protrusions is 3-15 micrometers, and the coverage rate of the protrusions on the surface of the conductive coating is 30-60%. The anti-scratch conductive coating contains the inorganic filler particles, protrusion structures are formed on the surface of the conductive coating, accordingly the anti-scratch performance of the conductive coating is effectively improved, the damage to the conductive coating caused by the applied force of the external environment is avoided, and the service life of the conductive coating is prolonged.

The invention discloses a single-seat vacuum self-standing type adjusting valve. The single-seat vacuum self-standing type adjusting valve comprises an adjusting valve main body, a connection mechanism in the middle of the adjusting valve main body and a fixing mechanism at the bottom end of the adjusting valve main body, wherein the connection mechanism comprises a first fixed ring and a second fixed ring; a valve element is arranged at the bottom end of the adjusting valve main body; the first fixed ring is arranged at the top end of the valve element; an adjusting block is arranged in the middle of the adjusting valve main body; the second fixed ring is arranged at the bottom end of the adjusting block; fixed columns are arranged at two sides of the top end of the first fixed ring; thefirst fixed ring is internally provided with an inner thread; the fixed columns and a rotary groove are arranged, so that the cumbersomeness and complexity in a connection and fixing process of the adjusting valve are effectively reduced; the fixed columns only need to be aligned to the rotary groove to be connected and fixed, so that the time is saved and the utilization of special tools is reduced; in a mounting process, scratches and damages to the adjusting valve in a mounting process are reduced, the service life of the adjusting valve is prolonged and the loss of devices is reduced.

The invention relates to a front harrow set for a disc harrow and a using method of the front harrow set and belongs to the technical field of disc harrows. The front harrow set comprises a cross beamand a plurality of harrow sheets connected with the cross beam; the harrow sheets are divided into a left group and a right group which are identical in number and are arrayed below the cross beam; the harrow sheets in the middle of each group are separated by partition pipes, the harrow sheets close to the two ends in the harrow set and the middle harrow sheets are separated by splicing long semi-partition pipes with short semi-partition pipes, and a bearing bracket is mounted between each long semi-partition pipe and the corresponding short semi-partition pipe and fixedly connected with thecross beam; the lower end of each bearing bracket is fixedly connected with a bearing base, a square hole bearing is mounted in each bearing base, and square holes with the same size are formed in the harrow sheets, the partition pipes, the long semi-partition pipes and the short semi-partition pipes and communicated with the square hole bearings; a square shaft is fixed in each square hole. Theharrow set has the advantages of stable integral structure, uniform harrow sheet spacing and good tillage effect.

The invention discloses a lifting and overturning device for automobile maintenance, and mainly relates to the field of automobile maintenance. The lifting and overturning device comprises a maintenance pile foundation, wherein a plurality of maintenance pits are formed in the maintenance pile foundation; the tops of the maintenance pits are rotatably connected with overturning plates; the inner parts of the maintenance pits are rotatably connected with power telescopic rods; the movable ends of the power telescopic rods are rotatably connected with the bottoms of the overturning plates; tiregrooves are symmetrically formed in the overturning plates; sliding holes are symmetrically formed in the two sides of the tire grooves; lifting plates are vertically connected in the sliding holes ina sliding mode; clamping telescopic rods are arranged at the tops of the lifting plates; clamping plates are fixed to the movable ends of the clamping telescopic rods; the clamping plates are locatedin the vertical range of the tire grooves; hook rods are symmetrically and rotatably connected to the lifting plates on the inner sides; a plurality of limiting blocks are connected to the maintenance pile foundation in a sliding mode; and limiting holes are formed in one side of each of the overturning plates. The lifting and overturning device has the advantages that the fixing effect on an automobile during overturning can be improved, overturning and resetting are more convenient, damage to the automobile is reduced, and the maintenance efficiency is guaranteed.

The invention belongs to the technical field of nuclear power station pressurized water reactor fuel assemblies, and particularly discloses a single-metal positioning grillwork for reducing fuel rod position damage and pressure loss, the single-metal positioning grillwork is of a square lattice cell structure and is formed by vertically inserting two groups of strips, a clamping structure is arranged in the opposite direction of each lattice cell, and each clamping structure comprises a spring and a rigid bulge; the spring is of an arch structure formed by directly stamping lattice cell strips and protruding out of the surfaces of the strips, and the spring is arranged in the axial direction of the fuel rod. The springs are longitudinally arranged along the lattice cells of the grillwork, the springs are directly punched and formed from the wall surfaces of the strips, the whole grillwork is of a single-metal structure, compared with a double-metal grillwork, nickel-based spring materials are reduced, absorption of thermal neutrons can be reduced, the neutron economy of the fuel assembly is improved, meanwhile, the springs are directly punched and formed, and the manufacturing process is simplified. The springs are arranged in the axial direction, the continuous guiding effect is achieved in the fuel rod assembling process, and scratches to the surfaces of the rods can be reduced.

The invention discloses a rearview mirror control system and an automobile comprising the same. The rearview mirror control system independently controls and adjusts the folding angle of each rearviewmirror and the deflection angle of a lens of the rearview mirror through the automobile body control module, and inconvenience brought by manual operation is omitted. The position detection module can be used for detecting the distance of the automobile relative to the surrounding space and sending the detection result to the automobile body control module, and the automobile body control modulecontrols each rearview mirror according to the detection result so as to prevent the rearview mirrors from scratching obstacles on the outer side of the automobile and reduce scratching damage.