31results about How to "Prevent scratches and scratches" patented technology

The invention provides a manufacturing method of an enamelled wire. The manufacturing method comprises the steps of: forming a downward arc-shaped concave on the inner wall of an annealing pipe inside an annealing furnace; paying off a wire body and sending the wire body into the annealing pipe inside the annealing furnace for annealing treatment, so that a sag part of the wire body falls in the arc-shaped concave and the wire body is suspended in the arc-shaped concave; sending the wire body into a varnishing machine for varnishing; and baking and curing of a surface paint film of the wire body. The manufacturing method of the enamelled wire can overcome the problem that the surface quality of the enamelled wire is affected due to the phenomenon that the surface of the enamelled wire is scratched and abraded in the prior art.

The workbench includes one or more trestle units (102) having pairs of legs (104) joined to each end of a cross-piece (106) by a hinge unit (108) which allows the legs to fold flat against each other and against the cross-piece of the trestle for storage. The hinge has a stop which allows the legs to be positioned away from each other and away from the crosspiece of the trestle to form a stable trestle unit. The workbench further includes a plurality of beams (500), wherein said beams are adapted to be connected to at least one trestle so as to form a supporting framework for a work piece. A folding brace (110) between pairs of legs further stabilises the trestle. The beams and trestles have holes (126) in their ends, and the beams and the trestles have regularly spaced holes (128) in them. Pegs can be inserted into and through the holes, and they have locking parts on them, allowing them to lock onto the trestle or beam. Pegs can have two latches for attachment to different beams or trestles. Trestles and beams may be thus interconnected to form a supporting framework.

The invention provides a ceramic polishing grinding tool and a preparation method thereof. The grinding tool comprises, by weight, 25%-50% of elastic resin, 30%-70% of grinding materials, 0%-25% of filling materials, 0%-10% of wax and 0%-5% of functional auxiliary agents. The elasticity of the grinding tool is larger than 120%, the hardness ranges from 75 A to 95 A, the adhesive strength is larger than 6 MPa, and the resistance temperature is larger than 150 DEG C. The elastic resin can be organic silicon rubber or polyurethane resin. The polyurethane resin can adopt an elastic polyurethane rubber finished product or adopts polyester polyol or polyether polyol to respectively react with polyisocyanate to generate elastic micro-foaming polyurethane resin. The elastic resin is adopted as a binding agent material, and after the elastic resin and the grinding material are combined to form a composite material, the composite material has good elasticity and toughness, strength and durability and is high in grinding force on ceramic, and the problems of grinding patterns, scratches and the like appearing during ceramic polishing are effectively solved.

The invention discloses a technology for dismounting beret pieces of cast-in-situ beam bottoms. A lifting frame is provided with a lifting motor; a bridge is provided with vent holes; a crossbeam on the lower surface of the bridge is provided with a through hole through gas cutting; the diameter of the through hole in the crossbeam is limited between 28 to 30 mm; a vertical channel steel which is vertical to the crossbeam is installed above one end of the crossbeam through bolts; the crossbeam is provided with slidable electric hoists; a crashproof guardrail is installed between the vertical channel steel and a flange plate at one side of the bridge; a bridge support is cast under the bridge; a bottom of the bridge support is provided with a beret piece. By means of the technology of the invention, the construction process is reduced and the construction is safer, therefore greatly increasing work efficiency and reducing the detention time of beret pieces at beam bottoms; the construction period is shortened and the construction process is more stable and reliable; the cost for man power can rent of beret pieces are saved; the technology is worthy of promotion.

The invention discloses a luggage rack device applicable to a vehicle and capable of preventing a roof from being worn. The luggage rack device comprises a plate rack. A support bracket is fixedly connected to the plate rack. A mounting groove is arranged in one end of the upper part of the support bracket. A shaft block is arranged in the mounting groove. A shaft hole is arranged in the middle of the shaft block, and matched with a winding reel through a coil spring. The shaft block is detachably connected with the support bracket through a connecting bar. A set of connecting bolts penetrate through the connecting bar. Weaving cloth is wound on the winding reel. One end of the weaving cloth is matched with an end bracket through angle steel. A handle which has a structure integrated with the end bracket is arranged on one side of the end bracket. A hanging lug is arranged at the other end of the support bracket. The luggage rack device applicable to the vehicle and capable of preventing the roof from being worn is relatively simple in structure, convenient to mount, easy in disassembly, and capable of providing cover protection for the paint face on the roof and avoiding the paint face on the roof from being scraped when articles are placed at the roof.

The invention relates to an energy-saving inclined plane glass curtain wall. The energy-saving inclined plane glass curtain wall comprises a curtain wall body and a first hook, wherein a hanging seatis slidably arranged on the side, close to the indoor space, of the curtain wall body; the first hook is arranged on the hanging seat; a mounting groove located below the hanging seat is formed in thewall surface, close to the indoor space, of the curtain wall body in the length direction of the curtain wall body; a pull rod is hinged into the mounting groove; a first connecting assembly used forbeing connected with the movable end of the pull rod is arranged on the curtain wall body; and a first elastic piece used for driving the movable end of the pull rod to be away from the curtain wallbody is arranged in the mounting groove. After an installation person installs the upper portion of the curtain wall body and the upper floor of a building, the hanging seat slides upwards on the curtain wall body, the first connecting assembly is loosened, the pull rod is transferred out of the mounting groove to extend into the indoor space of the lower floor, so that the installation person canconveniently hold the pull rod on the lower floor and directly pull the lower portion of the curtain wall body to get close to the lower floor, and the curtain wall body is effectively prevented frombeing scratched. The energy-saving inclined plane glass curtain wall has the effect of keeping the appearance of the curtain wall complete.

The invention discloses a novel automotive lateral rearview mirror, and belongs to the field of automotive accessory equipment. The automotive lateral rearview mirror comprises a mirror surface support (1) and a convex mirror (2) arranged in the mirror surface support, wherein an infrared measurement device (3), a voice alarm system (4), a central processing unit (5) and a light source system (6) are arranged between the convex mirror (2) and the mirror surface support (1). Through the adoption of the structure, when an automobile runs on a crowded road or a narrow aisle, a driver can be warned by the infrared measurement device (3) and the voice alarm system (4), so that the automobile can be prevented from being scratched or scraped; the light source system (6) can emit light from two sides of the automobile, so that the driver can conveniently drive the automobile, and the safety coefficient of the automobile is increased.

The invention discloses a method for positioning a cylindrical part of a storage yard crane and a method for grappling and coupling a hook The method specifically comprises the following steps: A, firstly, the goods allocation position, corresponding to the code, for storing the cylinder part is obtained; B, detecting a hook downwards, and enabling the height difference between an industrial camera of the hook and the target cylinder piece to be H; C, starting an industrial camera of the hook to carry out image acquisition; D, carrying out binaryzation on the acquired image; E, scanning and counting the black-white pixel ratio line by line from top to bottom, finding out two end points representing the boundary of the projection of the upper bottom surface of the target cylinder part on the image, and respectively recording the two end points as A (xa, ya) and B (xb, yb); F, calculating and obtaining a center coordinate C (xc, yc) of the target cylinder part on the image; and G, calculating the actual distance between the hook and the center of the target cylinder piece on the XOY plane.

The invention provides a cucumber thorn centralized cleaning device for cucumber product processing based on breakage prevention. The cucumber thorn removing device comprises a centralized thorn removing barrel used for removing thorns of cucumbers, supporting legs used for supporting the centralized thorn removing barrel, a thorn removing movement control mechanism used for generating thorn removing power and dynamically controlling the thorn removing process, and an anti-breakage thorn scraping mechanism used for preventing the cucumbers from being broken and scraping thorns on the surfacesof the cucumbers, and relates to the field of agricultural product processing. According to the cucumber thorn centralized cleaning device for cucumber product processing based on breakage prevention,a structure capable of comprehensively protecting cucumbers and comprehensively and efficiently removing thorns is designed according to the problem that centralized burr removal is difficult in theexisting cucumber processing process; and therefore, the problems that centralized thorn removal is difficult to carry out on cucumbers generally during cucumber processing, the cucumbers are prone tobreakage in the thorn removal process, certain losses are caused, the cucumbers are different in size, unified thorn removal is inconvenient, and the cucumber processing efficiency is low due to comprehensive reasons are effectively solved.

The invention discloses a high-reliability sensitive component, which structurally comprises a barrel, a filter screen and a sensor device, wherein the filter screen is arranged in the middle of the right side of the barrel, the sensor device is installed above the barrel, a fixing mechanism is arranged in a protection shell, the small-diameter section and the large-diameter section of a sensor are fixed to a position supporting mechanism, the large-diameter section is locked through a clamping mechanism, the middle section of the small-diameter section is erected in the middle of a supporting plate, the tail end of the small-diameter section is positioned and locked through a positioning mechanism, a conversion element is locked in the protection shell through a screw, a rubber cushion is compressed during locking so as to make the conversion element and the bottom end in the protection shell be in a seamless state to prevent a measurement data error caused by a hole seam in a working process, when the conversion element is locked, a switching circuit is attached to a power supply interface at the back end of a signal interface at the same time so as to achieve electric connection, and after the conversion element is locked, a cover plate covers and is locked by a screw so as to protect the fixing mechanism, so that the work is in a dust-free environment, and external dust pollution can be effectively prevented.

The invention discloses a glass curtain wall production method and an aluminum product processing device thereof. The glass curtain wall production method comprises the steps of glass edging, glass tempering, glass cutting, chute correction and carriage testing. The aluminum material machining device for profile cutting and chute correction comprises a workbench, a bearing beam is arranged at one end of the workbench, a telescopic rod is fixedly arranged at one end of the bearing beam, and the end, away from the bearing beam, of the telescopic rod is fixedly connected with the workbench. A hydraulic cylinder is arranged at the end, away from the telescopic rod, of the bearing beam and fixed to the workbench, and a piston of the hydraulic cylinder is fixedly connected with the bearing beam. Safety glass subjected to high-temperature tempering treatment is adopted as glass used by the curtain wall, so that the safety strength of the high-rise curtain wall is improved; in an allowed weighing range, glass of various sizes can be installed, especially when a whole piece of glass cannot be placed at the corner of a wall surface, the installation position of the aluminum profile can be flexibly adjusted to install glass of a proper size, and the applicability is high.

The invention discloses an optoelectronic semiconductor device, which structurally comprises a blocking and sealing device, a packaging cavity, a semiconductor device body and a pin. According to the invention, when the optoelectronic semiconductor device is used, a worker manually opens four attaching blocking pieces outwards, a tension piece is opened accordingly, a pin vertically and downwards extends into an interface, the worker slowly loosens the attaching blocking pieces, an elastic rod can generate resilience force under the condition that the elastic rod is not stressed, the attaching blocking pieces can be pushed inwards under the resilience inertia of the elastic rod, the four attaching blocking pieces can retract inwards at the same time to be attached to the pin, the tension piece can also be attached to the side wall of the pin along with retraction of the attaching blocking pieces, and air outside the pin is blocked through mutual cooperation of the attaching blocking pieces and the tension piece, so that the use stability of the optoelectronic semiconductor device is ensured.

The invention relates to a scratch-resistant and wear-resistant solar backsheet, which includes a PET base material, one side of the PET base material is connected to a weather-resistant layer through an adhesive layer, and a scratch-resistant and wear-resistant coating is arranged on the upper surface of the weather-resistant layer. The other end of the PET substrate is connected to a weather-resistant adhesive layer through an adhesive layer; the scratch-resistant and wear-resistant coating is a fluororesin coating modified by a highly dispersed nanoporous gas-phase SIO2 material. The invention is simple in structure and easy to use. By setting a scratch-resistant and wear-resistant coating on the surface of the weather-resistant layer, it not only improves the water vapor barrier property, but also makes the water vapor transmission rate reach 0.001g/m ² d, it can also achieve effective scratch resistance and wear resistance, avoiding the problem that the solar backplane is easy to be scratched and scratched during transportation, and greatly improving the service life of the solar backplane.