3338results about How to "Avoid wear and tear" patented technology

A shoelace reel includes a support seat, a spool rotatably mounted in the support seat, a shoelace having two distal ends each secured to the winding zone of the spool, a limit sleeve mounted on the support seat, a drive member rotatably and movably mounted in the limit sleeve, and a control knob rotatably and movably mounted on the limit sleeve and connected to the drive member. Thus, the user only needs to rotate the control knob to tighten the shoelace and to pull out the control knob to loosen the shoelace. In addition, the user only needs to operate the control knob to tighten or loosen the shoelace, so that the user can tighten or loosen the shoelace by his one hand only.

A wearable caddy for a personal audio device (PAD) adapted to mount at least one PAD and store excess earphone cord. The caddy comprises a front plate and a back plate joined by a plate separating member that creates a space between the plates adapted to store the excess cod by spooling the excess cord around the separating member. The PAD is mounted to the front surface of the front plate using a double-sided adhesive pad. A clear self-adhesive plastic cover is placed over the face of the PAD. More than one pad may be mounted to the same caddy. The caddy clips to the belt of the wearer and can be used to store earphone cord or heavier head-set cord.

The invention provides a coiled tubing clamping device and an injection head using the same, belonging to the field of oil production and drilling equipment. The clamping device includes a saddle-type clamping block and a clamping block seat, wherein the saddle-type clamping block is connected to the clamping block seat. The clamping device is characterized in that two sides of the saddle-type clamping block are provided with tongue-like platforms, the tongue-like platform is provided with an opening hole, the back part of the saddle-type clamping block is provided with a recess, two sides of the clamping block seat are respectively provided with a pair of bosses, the recess of the saddle-type clamping block is inserted into a slot formed by the clamping block seat bosses, a running clearance is left between the recess and the slot, and the clamping block seat is provided with a positioning screw for limiting the position of the saddle-type clamping block. The injection head comprises an oil pipe clamping mechanism and a transmission chain, wherein the oil pipe clamping mechanism is mounted on the transmission chain through two hinge pin holes on the clamping block seat. The technical proposal has the advantages that the abrasion of the oil pipe can be effectively reduced, the clamping device has operational reliability, and the clamping blocks are convenient in replacement.

The invention discloses a method for preparing a bimetal composite plate by stirring friction braze welding. The method comprises that: a plate with small hardness is used as a covering layer metal plate; a plate with high hardness is used as a base layer metal plate; the covering layer metal plate and the base layer metal plate are horizontally fixed on a working platform surface in a lap joint mode; solders which can generate eutectic reaction with one of the upper/base layer metal plates are preset between the upper/base layer metal plates; a non-needle type cylinder friction device is arranged over the covering layer metal plate; the non-needle type cylindrical friction device is made to rotate and be pressed to be closely contacted with the surface layer of the covering layer metal plate, but not penetrate the covering layer metal plate, and the non-needle type cylindrical friction device rotates in the original position or moves forward along the surface of the covering layer metal plate while rotating; by utilizing frictional heat to melt the solders, the upper/base layer metal plates are both quickly melted in the solders, thereby achieving excellent interface combination; and the excessive solders are squeezed out, and a thin and dense soldering seam is formed, so that the bimetal composite plate is prepared. Compared with the braze welding in a furnace, the method has the advantages of high efficiency, energy conservation, pressure lead-in, unnecessary soldering flux and gas protection and short holding time at a high temperature.

An optically clear encapsulant for optoelectronic packages exhibits a suitably high viscosity both to replace a silicon nitride passivation layer required on a VCSEL die and to fill a gap between the die and an optical coupler, preventing light signal degradation. The encapsulant exhibits optical transparency to light having a wavelength of about 850 nanometers (nm) with substantially no Mie scattering since particulate fillers are not required to modulate viscosity in the encapsulant. Also, the encapsulant further seals wire bonds between the die and a cable header to prevent abrasive wear. The gap-filling encapsulant is particularly suitable for use with vertical cavity surface emitting laser (VCSEL) technology. The encapsulant includes prior to curing, a difunctional acrylate epoxy resin exhibiting pseudoplastic flow and a viscosity of greater than about 0.7x106 centipoise. Accordingly, a method of manufacturing an optical subassembly may eliminate a separate passivation step and instead fill the gap between the die and optical coupler with an optically clear encapsulant.

A method of making a retroreflective marking material is provided, the method has the steps of: (a) providing an enclosed-lens retroreflective sheet having a top surface and a bottom surface and comprising a cover layer and a monolayer of retroreflective elements; (b) applying a conformance layer to the bottom surface of the retroreflective sheet; and (c) laminating a configuration member to the conformance layer thereby creating first portions and second portions in the sheet, the first portions being arranged in an upwardly contoured profile and the second portions being arranged in a lower, substantially planar position. A retroreflective article made by the method is also provided.

The invention discloses a power transmission line conductor repairing and winding device, a robot and a conductor repairing method. The power transmission line conductor repairing and winding device comprises a support lifting arm, a connection base and a driving base; a spur gear with a line clamping groove is arranged on the driving base; furthermore, a threading hole is arranged on the spur gear; a winding driving mechanism is arranged in the driving base; a bracket is also arranged on the driving base; a winding roller and a releasing motor are arranged on the bracket; the power transmission line conductor repairing robot comprises a robot body with a camera and a walking positioning mechanism; a linear guideway and the power transmission line conductor repairing and winding device are arranged on the robot body; a conductor clamping jaw component is arranged on the linear guideway; and the conductor repairing method is used for repairing by winding an aluminium wire on a split conductor by using the power transmission line conductor repairing robot. By means of the power transmission line conductor repairing and winding device, the robot and the conductor repairing method disclosed by the invention, the current transmission capability of a power transmission conductor can be improved; therefore, the conductor repairing working efficiency can be greatly increased; the labour intensity can be reduced; and the conductor repairing security can be improved.

A two-component running board for use with a vehicle comprising a mounting structure supporting a molded step cover. The mounting structure is manufactured from a first material known for its strength, light weight and integrity comprising an optionally integrated means of attaching the molded step cover to the mounting structure without the need for additional hardware or adhesive means. In at least one preferred embodiment, the mounting structure has an integrated means of attaching the two-component running board assembly to the body or sub-frame of the vehicle. The step cover is individualized for each application but comprises an anti-slip step surface on the top side adjacent the vehicle doors, which when installed can support the weight of at least one passenger.

The invention relates to an iron-based abrasion resisting and reducing surfacing flux-cored wire. The current abrasion resistant surfacing welding wires and alloys have many types; some abrasion resistant surfacing welding wires and alloys have high abrasion resistance and can protect the surfaced tools or parts, but have poor abrasion reduction performance and cannot effectively prevent other contacted parts or components from being abraded; some surfacing alloys have the abrasion reduction performance but lose the abrasion resistance. The iron-based abrasion resisting and reducing surfacing flux-cored wire comprises a low-carbon steel sheathing, and flux-cored powder; and the wire includes the following alloy elements in percentage by weight: 0.2 to 0.8% of carbon, 5 to 20.0% of chromium, 1.0 to 7.0% of titanium, 0.3 to 5.0% of boron, 0.1 to 1.5% of silicon, 0.2 to 2.0% of manganese, and the balance of iron. According to the iron-based abrasion resisting and reducing surfacing flux-cored wire, the abrasion resisting surfacing alloy has high hardness, and good toughness and matching performance, and is hard to crack, and has both the abrasion resistance and the abrasion reduction performance, and achieves high abrasion resistance along with high abrasion reduction performance.

An electrical connector for mating with a mating connector having a metal elastic sheet. The electrical connector includes an insulating body, a middle shielding sheet and a metal casing. The insulating body includes a base, a tongue extending forward from the base, and an upper row and a lower row of terminals. Each upper and lower row terminals has a contact portion exposed from upper and lower surfaces of the tongue respectively. The middle shielding sheet is disposed in the tongue and located between the upper row and lower row of terminals. The middle shielding sheet includes a groove exposed from a side of the tongue, for being buckled by the metal elastic sheet to stop forward displacement of the metal elastic sheet. The metal casing wraps a periphery of the insulation body to form a mating cavity, for the mating connector to be entered therein.

The invention provides an input device and a terminal device; wherein, the input device comprises displaying modules which are respectively arranged at the top of a key and used for displaying the display content of the key, a keystroke mapping list storing module used for storing a keystroke mapping list which includes at least one mapping record, a keystroke mapping inquiry module used for searching the mapping record corresponding to the use scene under the different use scenes, a transmission module used for transmitting the display content from the keystroke mapping inquiry module to the displaying module and a service logic module which is used for searching the function of the key being pressed in the mapping record of the corresponding current use scene and generating a function trigger signal. The user can define the layout of the keyboard to be suitable for self use habit by applying the embodiment of the invention; by definition on the same key, various special functions can be completed, thereby providing a personalized use experience for the user.

The invention discloses a production method of a high-strength, high-conductivity and heat-resistant copper alloy, and belongs to the technical field of copper alloy machining. Accoding to the production method of high-strength, high-conductivity and heat-resistant copper alloy, the inner liner of a crystallizer adopted in the upper-induced continuous casting process is a carbon-carbon composite material so as to ensure the lubrication, high heat conduction and high temperature resistance properties; the temperature of the upper-induced continuous casting is 1180-1230 DEG C, the casting temperature is low so that the problem that molten liquid in the crystallizer is difficult to solidify and the crystallizer inner liner is worn during casting can be effectively avoided; the pressure of protective gas nitrogen in the liquid surface of an upper-induced furnace is controlled to be 0.2-0.7 atmosphere, so that the phenomenon of solid-liquid interface separation in the crystallizer is avoided, and a copper-chromium alloy product with larger weight and length is produced; according to the production method of the high-strength, high-conductivity and heat-resistant copper alloy, the cheapelement (Mg) is used for replacing the rare noble metal, and the mechanical property and the softening resistance property of the copper-chromium alloy are improved; and the production method is a non-vacuum and short-process preparation technology, the cost is low, and the production method is suitable for large-scale industrial production and has important economic and social significances.

The invention relates to a scrap metal briquetting machine which comprises a machine body and a three-way hydraulic device, wherein an inlet hopper bin is arranged on the top of the machine body, an outlet is arranged in front of the lower part, a door opening device is arranged at the outlet, and the inside part of the machine body is divided into a pre-extrusion cavity, a secondary extrusion cavity and a third extrusion cavity; the three-way hydraulic device comprises a lateral hydraulic device, a vertical hydraulic device and a longitudinal hydraulic device. Scrap metal is extruded in three ways through the three-way hydraulic device, the compression mode is reasonable, the compression force is great, great compression ratio can be achieved, and the compression efficiency is high. The continuous feeding of the hopper bin can be realized, a lateral pusher head can directly enter the next working cycle after resetting, so that the cycle time is greatly saved, and the working efficiency of the machine is high. A groove is adopted between the pusher head and the inner wall of the machine body for cooperation, therefore, better cooperation can be realized, the service life is long, and the security is good.

The invention relates to a copper-based powder metallurgy friction material and a preparation method thereof, and relates to the technical field of materials. The copper-based powder metallurgy friction material is prepared by sintering raw materials, and comprises the following raw materials in percentage by mass: 6 to 8 percent of tin powder, 3 to 6 percent of iron powder, 4 to 7 percent of nickel powder, 4 to 7 percent of silicon dioxide, 5 to 6 percent of graphite powder, 0.5 to 4 percent of nano silicon carbide, and the balance of copper powder. The wear resistance of the copper-based powder metallurgy friction material is good. The preparation method comprises the following steps: mixing the nano silicon carbide and industrial ethyl alcohol; performing ultrasonic treatment to obtain first mixed slurry; adding the graphite powder, the tin powder, the iron powder, the nickel powder, the silicon carbide and the iron powder into the first mixed slurry; performing ultrasonic treatment and stirring; drying, and pressing the obtain mixed powder through cold pressing; sintering and moulding the obtained press blank; cooling. The strength and the wear resistance of the copper-based powder metallurgy friction material are effectively improved.

The present invention discloses one kind of adhered waterproof no-seamline down wear and its making process. The making process includes cutting patterns, cutting, laser cutting, hot adhering, filling down, supplementary material sewing and other steps. Unlike traditional sewing process, the fabric is separated into several checks and all the checks are no-seam adhered. The down wear has no seamline and no trouble of down escape through the seamline, and is waterproof and good-looked. In addition, the down wear with no seamline has improved windproof warming performance.

The invention discloses a frequency-division multiplexing (FDM)-based three-dimensional (3D) printer, comprising a frame, a base, an X-axis mobile system, a Z-axis mobile system and a printing device, wherein the printing device is connected with the X-axis mobile system; the X-axis mobile system is connected with the Z-axis mobile system; the Z-axis mobile system is connected with a guide rail of an upright post; a power supply and a controller are arranged on the base; the controller is connected with the Z-axis mobile system; the Z-axis mobile system comprises a third numerical control motor, a left screw and a right screw, a Z-axis fixed base and a limit switch; the left screw and the right screw are respectively arranged at the outer sides of a left upright post and a right upright post; the third numerical control motor is connected with the lower ends of the screws; the screws are connected with screw nuts; the screw nuts are connected with the Z-axis fixed base; the Z-axis fixed base is connected with the X-axis mobile system; a fixed base through hole is formed in the Z-axis fixed base; the left upright post and the right upright post pass through the fixed base through hole; the bearing is matched with the guide rail of the upright post. Thus, the FDM-based 3D printer is simple and compact in structure, small in volume and low in manufacturing cost.

The invention discloses a wireless flight remote controller for an unmanned airship, which comprises a remote controller housing, a knob potentiometer, a rocker mechanism, an analog signal acquisition module, a wireless RS485 (recommended standard 485) transport module and an antenna, a battery and a power supply processing module, wherein the wireless flight remote controller transmits an acquired control signal to a ground station in a wireless RS485 mode, and then the ground station transmits the control signal to the unmanned airship by a unified link. The remote controller can allow the unmanned airship to keep a communication link in each flight stage, without switching; a manipulator outside a compartment is flexible to use; and an activity range is not restrained.

The invention provides a vehicle engine oil additive and engine oil. The additive comprises the following components: 15 to 34 weight percent of nano WS2 powder, 0 to 24 weight percent of nano MoS2 powder, 20 to 20.5 weight percent of dispersant, 0 to 0.5 weight percent of antioxidant, 0 to 1 weight percent of metal passivant and the balance of base oil, wherein the kinematic viscosity of the base oil at 40 DEG C is 70 to 190mm2/s, and the kinematic viscosity of the base oil at 100 DEG C is 12 to 20mm2/s. The engine oil of the invention comprises 5 to 20 weight percent of additive and 80 to 95 weight percent of petrolic oil or comprises 15 to 25 weight percent of additive and 75 to 85 weight percent of diesel engine oil. The engine oil can improve the service life of engine, reduce oil consumption and has obvious energy-saving and emission-reducing effects and other effects.

A method for printing images on a substrate wherein the image has a textured, three-dimensional appearance is described. The printing method comprises printing a graphic design consisting of very fine lines having varying width, shape and orientation. This process is effective on the first surface of a pre-metalized substrate and on the second surface of a clear substrate. The lines are printed using an ink which even after drying or curing has a thickness (height above the film) to produce the desired textured effect. A layer of reflective ink is then printed over the entire boundary of the printed substrate, including over the clear ink. A protective layer of pigmented ink may then be printed over the reflective ink to protect the decorative substrate from abrasion. This printing process method may be used to make labels (both flat and formed) for any decorative application. Applications include flat two-dimensional parts using pressure sensitive adhesive and flat or three-dimensional formed applique's for use in In Mold Decoration and In Mold Labeling.

The present invention discloses one kind of heat resistant anticorrosive composite polyphenylene sulfide epoxy paint and its preparation process. The anticorrosive paint consists of primer, finishing paint and intercoat paint. The primer consists of polyphenylene sulfide, epoxy resin, glass scale and cyanamide dimmer. The finishing paint consists of polyphenylene sulfide, epoxy resin, silicon carbide, 4, 4'-diamino diphenyl sulphone and cyanamide dimmer. The intercoat paint consists of polyphenylene sulfide, epoxy resin, silicon carbide, glass scale, dihydrazide sebacate and 4, 4'-diamino diphenyl sulphone. The anticorrosive paint produces no sag, and can form homogeneous and smooth coating with excellent physical and chemical performance, high heat resistance, high corrosion resistance, high impact strength, and high insulating performance.

The invention discloses a flexible screen mobile terminal capable of hiding a camera. The flexible screen mobile terminal comprises a camera assembly, a main terminal body provided with a first face of the main body, an auxiliary terminal body provided with a first face of the auxiliary body, and a flexible screen simultaneously lapped on the first face of the main body and the first face of the auxiliary body, wherein the flexible screen is movably connected with one of the main terminal body and the auxiliary terminal body, the main terminal body and the auxiliary terminal body can be connected in a relative movement manner, the main terminal body and the auxiliary terminal body can rotate relative to an axial line of a plane where the flexible screen is located, and the camera assembly is installed on the main terminal body or the auxiliary terminal body and is selectively hidden on the back side of the flexible screen. According to the flexible screen mobile terminal disclosed by the invention, the selectively hidden camera assembly is provided, the camera assembly is hidden on the back side of the flexible screen at an unused state to avoid abrasion of the camera assembly caused by direct contact with a foreign body and avoid damage and even drop of the camera assembly caused by collision of an external force, so that the service life of the camera assembly is effectively prolonged.

The invention discloses a variable frequency air conditioning unit which solves the problem that in the prior art, the control over temperature and humidity precision by an air conditioner is lower. The variable frequency air conditioning unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected. The compressor is further connected with the evaporator. A condensing fan is further arranged above the condenser. An evaporating fan is further arranged above the evaporator. The compressor is a variable frequency compressor, the expansion valve is an electronic expansion valve, and a liquid storage tank is arranged between the condenser and the expansion valve. A humidifier and an electric heater are respectively arranged at an air supply outlet of the evaporating fan. A dehumidifying electromagnetic valve is further arranged between the expansion valve and the evaporator. The variable frequency air conditioning unit provided by the invention has the advantages of high precision control and energy-saving and the like, and is suitable for application.

The invention discloses an adjustable non-abrasion take-up reel and belongs to the field of take-up devices. The adjustable non-abrasion take-up reel comprises discs and take-up shafts. Each disc comprises a disc body, a fixing ring, connecting plates, first bolts and a rotary shaft sleeve. Each take-up shaft comprises a connecting shaft and a fixing plate, wherein the connecting shaft comprises a first drum-shaped connecting rod, two arc-shaped blocks and a first rectangular block, the fixing plate comprises a second drum-shaped connecting rod and two second rectangular blocks, the same portions of the first rectangular block and each second rectangular block are each provided with at least two threaded holes at equal intervals, and bolts are arranged on the threaded holes and fixed through nuts. The circle center of each disc is located on the line connecting the centers of circles where the two corresponding arc-shaped blocks are located, and the arc-shaped surface, backing onto the circle center of the corresponding disc, of each arc-shaped block is plated with tinfoil. By the adoption of the adjustable non-abrasion take-up reel, contact between metal particles and cables or metal wires and rods can be avoided, so that abrasion is reduced, surface quality is improved, and production requirements are met; the length of the take-up reel can be adjusted according to production requirements by means of the special structure of the take-up shaft, and therefore flexibility and practicality are improved.

The invention discloses a treatment system and a treatment process for organic waste gas boiler thermal incinerating. The treatment device comprises an absorbing device, a boiler fan, a boiler, a desulfurization, denitrification and dust removal device and a chimney which are sequentially connected, wherein a defroster, a waste gas draught fan, an emergency discharge controller and an air quantity balance compensator are arranged between the absorbing device and the boiler fan and are sequentially connected, the defroster is connected with the absorbing device, and the air quantity balance controller is connected with the boiler fan. The process has the advantage that on the premise of ensuring the purifying efficiency, by additionally arranging the defrosting treatment, the emergency discharge treatment and the air quantity balance treatment, the stability and safety of the whole treatment process are improved.

The invention discloses a method for controlling a cellphone by gestures, which comprises the following steps of: 1, utilizing gestures of translating relative to a horizontal left direction of the cellphone and translating relative to a horizontal right direction of the cellphone to complete the function of switching cellphone browsed pictures; 2, utilizing the gesture of translating relative to a horizontal upward direction of the cellphone to realize the function of amplifying the cellphone browsed pictures; 3, utilizing the gesture of translating relative to a horizontal downward direction of the cellphone to realize the function of zooming out the cellphone browsed pictures; and 4, utilizing the gestures of moving up relative to the vertical direction of the cellphone and moving down relative to the vertical direction of the cellphone to realize the function of switching songs when playing audios. The method disclosed by the invention increases the operations of a cellphone user on the cellphone, and the operations on the cellphone through the gestures avoids abrasion caused on the cellphone of the operation mode of the cellphone at the present stage.

The invention discloses a construction powder material mixing and crushing device. The construction powder material mixing and crushing device comprises a machine frame and a base. The machine frame comprises a primary operation chamber, a secondary operation chamber and a shock absorbing seat. The primary operation chamber is divided into a rolling chamber and a screening chamber. The rolling chamber is located on the left side of the screening chamber. A feeding hopper is mounted at the bottom end of the screening chamber. A first filtering screen is arranged in the screening chamber. The screening chamber communicates with a first material conveying port formed in the upper portion of the rolling chamber. The bottom end of the first filtering screen is located on the upper portion of the first material conveying port. A first rolling roller and a second rolling roller are transversely arranged in the rolling chamber in parallel and fixed in the rolling chamber through a first roller shaft and a second roller shaft correspondingly. Gravels or stone particles are screened, filtered, ground and crushed through a filtering screen mechanism, and abrasion or transmission obstruction to operation equipment is prevented.

A connector comprising a header connector 20 and a socket connector 25. The connector 25 includes a fixed section 272 that is continuously formed at the tip of one end 2711 of a contact section 271 so that a part 2721 of the section 272 is arranged in parallel with the one end. A housing 26 of the connector 25 sandwiches and retains both sides of the part 2721 between a pair of facing retention grooves, and also sandwiches and receives both sides of the one end 2711 between a pair of facing guiding grooves so that the one end 2711 can move only along facing surfaces including the above each groove.

The invention relates to a meteorology apparatus instrument and especially discloses an ultrasonic wave wind speed anemoscope and a corresponding multiple meteorology parameter measuring instrument. The wind speed anemoscope comprises four ultrasonic sensors which are arranged on a same horizontal plane. The four ultrasonic sensors are controlled by a single chip microcomputer operation control circuit to send or receive an ultrasonic wave. Time between the ultrasonic wave sending and the ultrasonic wave receiving can be recorded so that an actual wind speed and a wind direction can be calculated. Wind cup wearing caused by long-time mechanical rotation can be avoided so that a service life can be prolonged. The multiple meteorology parameter measuring instrument integrates a plurality of function modules, such as the wind speed anemoscope, a temperature sensor, a humidity sensor and a pressure sensor, through the single chip microcomputer operation control circuit so that the overall structure of the instrument is concise and compact. Therefore, installation and usage are more convenient. A plurality of mechanical movement parts in a traditional measuring system are not needed. Stability and reliability of the instrument can be improved.

A novel bridge device disclosed by the present invention comprises an electric connection base, a bottom rack is arranged at the bottom of the electric connection base, and a clump weight is arranged in the bottom rack. The electric connection base is equipped with a plugging groove of which the opening is leftward, and an electric connection hole is arranged at the right end part of the plugging groove. A fastening groove which is communicated with the electric connection base externally and of which the opening is leftward is arranged in the bottom end part of the plugging groove, and a first chute groove is arranged in the bottom end part at the right side of the fastening groove. The novel bridge device of the present invention is simple in overall structure and is suitable for being popularized and used, the opening and closing operation of the electric connection hole are simple and convenient, the electric shock accidents during the bridge construction process are reduced effectively, and the life safety of the people is guaranteed effectively.

The invention discloses a four-wheel-driven bowed tractor transport vehicle, which comprises a frame and a rear axle assembly. The frame is provided with an engine, a clutch, a hydraulic steering gear and a front axle assembly, wherein the front axle assembly comprises a front axle box connected with a main gearbox, and the main gearbox is connected with a transfer gearbox which is provided with a power output shaft of the transfer gearbox; and the rear axle assembly comprises a car hopper and a rear axel half shaft which is provided with a rear axle transaxle in drive connection with the power output shaft of the transfer gearbox by a universal drive shaft. The transport vehicle makes the car hopper acquire drive capability, solves the problems of poor climbing ability and slippage tires when loaded, greatly improves the loading capability of the transport vehicle, reduces energy consumption, prevents the tires from being worn untimely, prolongs service life, and is especially applicable for severe environments, such as mountain areas, slopes and depressions, forestry, pastures, roadless areas, and so on.