14results about How to "Reduce mutual friction" patented technology

The invention belongs to the technical field of marine towing cables, and provides a marine towing engine automatic cable combing device which comprises a support, the support comprises a bottom plate, and side plates are symmetrically arranged at the top of the bottom plate; the winding assembly is arranged between the two side plates, the winding assembly comprises two outer gear rings rotationally connected to the side plates, a cable roller is rotationally connected between the two outer gear rings, a connecting shaft is fixedly connected to the end of the cable roller, and a guide component is arranged between the two side plates; the cable shifting assembly is arranged on the bottom plate; a cable is guided through reciprocating movement of the cable shifting rod, so that the cable is wound, the cable is kept uniform and compact in the winding process, disordered winding of the cable is avoided, it is guaranteed that the cable is smoothly unwound next time, the cable is subjected to uniform pulling force during winding, the cable can be prevented from being subjected to too large pressure or pulling force, and the service life of the cable is prolonged. Therefore, the service life of the mooring rope is prolonged, mutual friction and extrusion of the mooring rope in the storage process can be reduced through uniform winding, and the integrity of the mooring rope is further protected.

The utility model discloses a photovoltaic module transfer carrier, and relates to the technical field of photovoltaic module transfer. The plurality of layers of supporting assemblies are arranged at intervals in the vertical direction, each layer of supporting assembly comprises a plurality of supporting arms, the supporting arms are rotationally connected with the tool frame and used for supporting the photovoltaic module, and the photovoltaic module comprises at least one supporting beam and a plurality of photovoltaic panels supported and fixed by the at least one supporting beam; in the process that the supporting arms located on the lower layer rotate to the supporting positions to support the photovoltaic modules or under the condition that the supporting arms are located on the supporting positions, the corresponding supporting arms located on the adjacent upper layer can be driven to rotate from the initial positions to the supporting positions; the support arm at the initial position does not interfere with the movement of the photovoltaic module along the vertical direction, and provides avoidance for the support arm at the lower layer to bear the photovoltaic module. Through the photovoltaic module transfer carrier, damage to the photovoltaic module in the transportation process can be reduced, the field installation efficiency is improved, the photovoltaic module loading efficiency is improved, and the photovoltaic module loading cost is reduced.

The utility model discloses a tool for preventing dust from being generated by friction of a rubber plug, which relates to the technical field of rubber plug tools and comprises a vibration material channel, a flexible pad is detachably fixed on the vibration material channel through a mounting angle plate, the flexible pad is a flexible body which is made of flexible materials and has a smooth surface, and the flexible pad comprises a U-shaped pad. The U-shaped pad is embedded in the vibration material channel and attached to the inner wall of the vibration material channel. Due to the fact that the flexible pad is installed on the vibration material channel, the rubber plug is in flexible contact with the outer surface of the U-shaped pad in the moving process, the probability that the rubber plug is damaged due to friction is reduced, the probability of generating dust is reduced, and meanwhile the dust falling hole is formed, so that the rubber plug is prevented from being damaged. The dust falling holes are formed in the rubber plugs, so that dust possibly generated can be sucked away through the dust falling holes under the action of air flow, and therefore it is further guaranteed that no dust adheres to the rubber plugs after feeding, the sealing performance of packaging and the good medicine quality are guaranteed, and the qualified rate of packaged medicines is increased.

The present disclosure provides a kind of vehicle-mounted power supply audio integrated transmission structure and vehicle-mounted transmission wire harness, above-mentioned structure includes power supply plug, power supply wire assembly and audio power supply wire assembly, power supply wire assembly includes power supply positive pole component, power supply ground component and power supply terminal, power supply positive pole component includes positive pole power supply wire, positive pole branch piece and positive pole wire, positive pole branch piece includes positive pole rubber block, positive pole shunt terminal, positive pole covering film and positive pole branch piece, power supply ground component includes negative pole wire, negative pole branch piece and negative pole wire, negative pole branch piece includes negative pole rubber block, negative pole shunt terminal, negative pole covering film and negative pole branch piece.Assemble power supply positive pole component, adjacent positive pole wire is separated by a positive pole branch piece, then by positive pole covering film, so that positive pole wire and positive pole branch piece are linear distribution on cross section, assemble power supply ground component also uses the same effect, guarantee vehicle-mounted central control can be normally powered.

This utility model relates to the technical field of tobacco processing equipment, specifically a tobacco leaf anti-scratching conveying and transporting device. It includes a base with a square structure and adjusting components at the four corners of the top. A baffle plate is installed between the adjusting components, and the baffle plate can be expanded and contracted by the adjusting components. A square protective space is formed inside the baffle plate, and tobacco leaf clamping rods are installed inside the protective space for holding and placing the tobacco. The top of the protective space is sealed by a detachable top cover. In terms of anti-scratching protection, this tobacco leaf anti-scratching conveying and transporting device achieves all-round protection for the tobacco leaves through multiple structures. The baffle plate is made of flexible rubber material with a sponge layer on the surface, which is soft and has good cushioning performance, preventing direct rigid contact between the tobacco leaves and the baffle structure, fundamentally reducing leaf damage caused by scratches.

The invention belongs to the technical field of fluid control valves, and particularly relates to a valve needle assembly and an electronic expansion valve. The valve needle assembly comprises a valve needle, a valve rod and a valve needle spring, the valve rod is provided with a first stopping face and a second stopping face which extend outwards in the radial direction and are oppositely arranged, the valve needle is provided with a sliding cavity, the sliding cavity is provided with an annular stopping part, and the valve needle spring is arranged on the valve rod in a sleeving mode and compressed between the first stopping face and the annular stopping part. The second stopping surface is movably arranged in the sliding cavity and is in anti-falling fit with one end, back on to the first stopping surface, of the annular stopping part; an inner hole of the annular stopping part forms a limiting hole used for limiting the radial movement of the valve rod, and the side wall of the valve needle is provided with an assembling hole which is communicated with the limiting hole and the sliding cavity so that the valve rod can pass through and be installed in the valve needle. According to the valve needle assembly, the valve needle and the valve rod are reliably connected through anti-falling fit, the structure of the valve needle assembly is simplified, welding connection is not needed, the maintainability of the valve needle assembly is improved, and the maintenance cost is reduced.

This application relates to the field of idler roller technology, and more particularly to a novel sealing structure for a low-resistance idler roller. To address the problem of increased resistance during idler roller rotation due to friction caused by the mutual friction within the labyrinth structure, the structure includes a primary sealing assembly. The primary sealing assembly has a primary labyrinth assembly on its exterior and a secondary labyrinth top assembly inside. This application utilizes the cooperation between the upper and lower labyrinth sections, filling the gap between them with lubricating grease to maintain a seal between the secondary labyrinth top and bottom assemblies. This reduces mutual friction between the secondary labyrinth top and bottom assemblies, thereby reducing resistance during idler roller rotation. The primary sealing assembly, in conjunction with the primary labyrinth assembly, encloses the secondary labyrinth top and bottom assemblies, blocking external dust and effectively reducing resistance caused by friction.

The invention discloses a dyeing and dehairing one-bath finishing process for China-hemp cotton knitted fabric. The dyeing and dehairing one-bath finishing process comprises the following steps: (1) preparing gray fabric; (2) greige cloth rinsing: cleaning impurities and stains on the surface of the greige cloth in advance, and promoting preliminary wetting and swelling among yarns and fibers at the same time; (3) pretreatment; neutral cellulase with the concentration of 0.25-0.5% (o.w.f) is added into the dye vat, the bath ratio is 1: 15, the treatment temperature is 55-58 DEG C, and the treatment time is 45-60 min; (5) dyeing; (6) washing; and (7) tentering and drying. The wool removing process and the dyeing and finishing process are organically combined, the problems of strength, creases, scratches, discoloration, manpower and the like existing in an existing knitted fabric wool removing process are solved, milder neutral cellulase is selected to replace acid cellulase, the influence on the strength of cellulose is smaller, the wool removing process and the dyeing and finishing process are organically combined, and the dyeing and finishing effects are better. And the dehairing process is completed during pretreatment, so that the subsequent dyeing is not influenced, and the influence of cellulase on the color is avoided.

The utility model discloses a mute tire and a tire mold, and aims to solve the problem that the noise of the conventional tire is high during running. The tire comprises a tread part and a sidewall part, the sidewall part is provided with a groove, a pattern unit in the groove comprises a plurality of linear structures, and at least part of the pattern unit is a deformation part. When the tire runs, the deformation parts deform to shield partial gaps between the adjacent linear structures, airflow entering is reduced, and air friction noise is lowered. The top end of the linear structure is a deformation part, the outer surfaces can be located on the same plane during deformation, the section of the linear structure is triangular or trapezoidal, the included angle is 20-45 degrees, the height difference between the top end and the bottom face of the groove is 0.15-0.6 mm, the adjacent gap is 0.1-0.5 mm, and the line type can be a straight line, a broken line or an arc line. The tire mold is provided with protruding modules and textures and is used for forming grooves and pattern units. According to the scheme, noise is effectively reduced while the tire performance is guaranteed.

The utility model discloses a rubbing strip transfer isolation lining protection device, and belongs to the technical field of rubbing strip transportation devices. The rubbing strip transfer partition lining protection device comprises a support; the first supporting pipe is fixedly connected to the bracket; the second supporting pipe is fixedly connected to the first supporting pipe; the first protective interlayer is fixedly connected to the first supporting pipe; the second protective interlayer is fixedly connected to the second supporting pipe; in the transportation process of the chafing strips, different chafing strips can be separately placed and transported, the situation that multiple sets of chafing strips are prone to mutual friction when being placed together for transportation is reduced, the situation that in the prior art, multiple sets of chafing strips are prone to mistaken friction and scratching when being placed together for transportation is effectively solved, and the transportation stability is improved.

The utility model discloses a multistage telescopic mechanical arm, which belongs to the technical field of mechanical arms and comprises a connecting frame, rectangular grooves are arranged at four corners of the top of the connecting frame, mounting grooves are arranged at the four corners of the connecting frame on one sides of the rectangular grooves, and limiting sliding grooves are arranged on one sides of the mounting grooves far away from the rectangular grooves. According to the multi-stage telescopic mechanical arm, by arranging a fixed inserting rod, a fixed spring, a connecting plate and a fixed bolt, the fixed bolt is loosened, the connecting plate is pushed to drive the fixed inserting rod to retract into a mounting groove, a fixed block is inserted into a rectangular groove, and a fixed inserting hole corresponds to the fixed inserting rod; a connecting plate is loosened, a fixing insertion rod is ejected out of a mounting groove and inserted into a corresponding fixing insertion hole under the springback effect of a fixing spring, and then a fixing bolt is screwed to penetrate through the connecting plate and be inserted into a corresponding positioning screw hole, so that the two groups of telescopic frames I are conveniently clamped and fixed at the bottom of the connecting plate side by side, and the two groups of telescopic frames I are combined and connected side by side; and the load capacity of the mechanical arm during stretching is improved.

The utility model relates to the technical field of die steel plates, in particular to a high-wear-resistance die steel plate which comprises a die steel plate body, the surface of the die steel plate body is connected with a wear-resistant mechanism, the wear-resistant mechanism comprises a first wear-resistant coating, and the first wear-resistant coating is located on the surface of the outer wall of the die steel plate body. The surface of the outer wall of the first wear-resistant coating is connected with a second wear-resistant coating, a buffering mechanism is fixedly connected to the periphery of the outer wall of the mold steel plate body and comprises a protection arc block, and the protection arc block is connected to the periphery of the outer wall of the mold steel plate body and attached to the outer wall of the mold steel plate body. According to the die steel plate, the abrasion resistance of the die steel plate main body can be improved through mutual matching of coatings in the abrasion-resistant mechanisms, and the problem that the coatings are damaged due to mutual friction of the surfaces of the die steel plate main bodies when a plurality of die steel plate main bodies are stacked again can be solved through mutual matching of parts in the buffering mechanisms.

The invention relates to a directional machining and conveying device and method for a magnetic core of a micro-current linear mutual inductor and relates to the related field of conveying, the directional machining and conveying device for the magnetic core of the micro-current linear mutual inductor comprises a base and a material supply part fixed to one side of the base, an inclined part is arranged on the material supply part, and four conveying rollers are rotationally installed in the base; the four conveying rollers are connected through a conveying belt, a plurality of sets of pushing pieces and a plurality of positioning pieces are fixed to the outer side of the conveying belt at equal intervals, the positioning pieces are arranged in the pushing pieces and are in sliding fit with the pushing pieces, first positioning blocks are fixed to the bottoms of the positioning pieces and are in sliding fit with guide rails arranged on the base, and the guide rails are arranged on the base. When the collecting rod is sleeved with the materials, a gasket is added between the two materials so as to reduce mutual friction between the two materials, and due to the fact that the diameter of the gasket is slightly smaller than that of the materials, the materials can be accurately taken out when the materials are taken out.