16results about How to "Resolve resistance" patented technology

The invention discloses a wear-resistant tensile power cable and a preparation method thereof, and relates to the technical field of power cables, the wear-resistant tensile power cable comprises a wire core, the interior of the wire core is a stranded wire structure formed by stranding a plurality of copper wires, the exterior of the wire core is coated with a crosslinked polyethylene insulating tube, and a centering assembly is fixedly installed on the outer surface of the wire core. According to the wear-resistant tensile power cable and the preparation method thereof, the hemp rope is filled in the special-shaped pipe for centering and stabilizing the whole structure, the silica gel coating is filled in the special-shaped pipe, an inner layer centering structure is formed after the coating is shaped, and the cable particles easy to flow are filled between the inner side surface of the special-shaped pipe and the special-shaped pipe. The cable particles improve the overall stability of the cable, and at the same time, when the outer layer protection structure is broken by tensile force, the inner layer centering structure is not damaged by tensile force, thereby solving the problem that the tight fixed connection between the outer layer protection structure and the inner layer centering structure of the cable easily causes the overall cable to be broken by tensile force and causes serious accidents.

The invention belongs to the technical field of production of high value-added chemicals and catalysts, and particularly relates to a preparation method of an In2S3 (at) PDA / SA / PDMS / MS three-phase integral photocatalyst for producing H2O2. The preparation method comprises the following steps: preparing In-Co PBA nano-cubes through a precipitation reaction of InCl3 and K3 [Co (CN) 6], obtaining In2S3 through a one-step anion exchange reaction, loading polydopamine PDA on the surface of the In2S3 through an in-situ polymerization reaction to synthesize an In2S3 (at) PDA photocatalyst, mixing the In2S3 (at) PDA with sodium alginate SA hydrogel, and loading the mixture onto a PDMS modified melamine sponge MS to obtain the In2S3 (at) PDA / SA / PDMS three-phase (gas-liquid-solid) integral photocatalyst. Under the irradiation of visible light, the yield of H2O2 produced by the monolithic catalyst within 90 minutes reaches 4.6 mmol / g. The method has the characteristics of simplicity, convenience, high efficiency and low cost, and can be applied to photocatalytic production of H2O2.

The invention relates to exoskeleton type wearable comprehensive fitness equipment which comprises a joint resistance seat, a crotch supporting frame, a thigh supporting rod, a shank supporting rod, a back supporting frame, a shoulder supporting frame, a big arm supporting rod and a small arm supporting rod, and one side of the top end of the crotch supporting frame is fixedly connected with the bottom end of the back supporting frame. Through the design of the joint resistance seat, the resistance loading part of traditional fitness equipment is changed, and the resistance loading part is transferred from the tail end of the limb to the joint part. The resistance setting not only helps to improve the pertinence and effect of exercise, but also can be flexibly adjusted according to the personal requirements of the user, so that different fitness targets and requirements of the user are met; through the resistance adjustment of the joint resistance seat, the supporting design of the crotch supporting frame, the shoulder supporting frame and the back supporting frame and the consideration of personalized requirements, efficient, comfortable and personalized fitness experience is provided for a user, and the improvement of the health and physical quality of the user is facilitated.

This invention discloses a method for preparing interface-reinforced niobium pentoxide / porous graphene and its energy storage application. The method involves adding porous graphene oxide during the solvothermal synthesis of a niobium pentoxide precursor to obtain a composite precursor of niobium pentoxide and porous graphene oxide. This precursor is then annealed under a protective atmosphere to obtain the interface-reinforced niobium pentoxide / porous graphene composite material. The composite material obtained by this invention exhibits excellent performance as an electrochemical energy storage material. Furthermore, the preparation method of this invention is simple to operate, requires no complex equipment, and is easily controlled, making it suitable for mass production.

The utility model discloses a knife sharpener with a rolling guide mechanism, which comprises a main machine body, and a knife sharpening blade is arranged above the main machine body; the guide mechanism is arranged on one side of the sharpening blade and comprises a roller rotationally mounted above the main machine body; according to the knife sharpener, the rolling guide mechanism is arranged on the knife sharpener, a knife body of a knife abuts against the outer side face of the rolling wheel, a cutting edge of the knife abuts against the knife sharpening piece, the rolling wheel rolls to assist the knife in sharpening the knife, and the problems that a traditional knife sharpener lacks accurate guide and is large in grinding resistance are effectively solved by arranging the rolling guide mechanism on the knife sharpener. When the cutter body abuts against the outer side face of the roller and the blade of the cutter abuts against the cutter sharpening piece, the roller rolls to assist the cutter in sharpening the cutter. Wherein the roller provides stable guidance, so that a user can keep a consistent sharpening angle, the sharpening resistance is obviously reduced, and the sharpening efficiency and effect are improved.

The invention relates to the technical field of crystallization control, and discloses a programmed cooling crystallization kettle and method capable of regulating and controlling sugar alcohol crystal granularity, and the method comprises the following steps: constructing a basic nonlinear cooling model in advance, and respectively collecting real-time torque and actual average chord length of the crystal by using a torque sensor and a focused light beam reflection measurement probe in the crystallization process; and the control system calculates the cooling rate correction according to the granularity deviation through a PID algorithm, calculates a rheology correction factor according to the torque change, and performs attenuation treatment on the sum of the basic rate and the correction by using the rheology correction factor to obtain a final cooling instruction to adjust the temperature in the kettle. Through dual feedback of coupling granularity and rheology, the contradiction between crystal growth and mass transfer resistance under a high-viscosity system is solved, the inclusion amount of the mother liquor is remarkably reduced while the target particle size is realized, and the purity and uniformity of the product are improved.

The invention discloses a series-parallel connection type heat dissipation assembly heat balance calculation method, and the structure of a heat dissipation assembly comprises an oil radiator, a water radiator and an intercooler. A water radiator is arranged at the bottom of the oil radiator; an intercooler is arranged at the other end of the water radiator; according to the method, the cooling air resistance of the heat dissipation assembly is perfectly matched with the cooling air flow provided by the fan, convenience is provided for design and calculation, and the system heat balance parameter calculation precision is improved.

The utility model discloses a combined panel button structure and a pressing lock. The combined panel button structure comprises a panel assembly and a button assembly. The panel assembly comprises a metal panel arranged on the outer side of the door plate and a plastic panel pad fixed to the inner side of the metal panel and embedded into a mounting groove in the door plate, a plurality of through holes are formed in the metal panel, and a plurality of first guide holes aligned with the through holes one by one are formed in the plastic panel pad; the button assembly comprises a metal button panel arranged on the outer side of the metal panel, a baffle arranged on the inner side of a plastic panel pad and plastic guide connecting pieces which are connected between the metal button panel and the baffle and penetrate through the first guide holes in a one-to-one correspondence mode, and the baffle is used for being connected with a push rod of a lock body installed on the inner side of the door plate. Under the condition that the texture and the attractiveness of a product are guaranteed, the weight of the product is reduced, the manufacturing cost is reduced, and meanwhile the press button switch lock is smoother, smoother and mute.

The present invention relates to the technical field of equipment in the logistics industry, and specifically to a tensioning end mechanism of a linear cross-belt sorting machine, comprising a driven shaft and a driven disk installed on the driven shaft for being driven by the driving chain, and also comprising a driven frame, wherein the driven frame comprises an inner frame and an outer frame, wherein the inner frame comprises a left inner plate and a right inner plate which are relatively arranged on the left and right sides of the driven disk, and the parts of the driven shaft located on the left and right sides of the driven disk are respectively installed on the left inner plate and the right inner plate, and the outer frame comprises a left outer frame and a right outer frame which are respectively arranged on the left side of the left inner plate and the right side of the right inner plate, and front and rear adjustable tensioning devices are arranged between the left inner plate and the left outer frame and between the right inner plate and the right outer frame, so that the adjustment is more convenient and reliable.

The invention provides an outer cylinder assembly and clothes processing equipment. The outer cylinder assembly comprises an outer cylinder and a condensation air duct, a drying air outlet is formed in the cylinder wall of the outer cylinder, and the condensation air duct is arranged on the rear side of the outer cylinder and comprises an air duct air inlet communicating with the drying air outlet; the condensation air channel integrally extends in the vertical direction, and an upper condensation area and a lower condensation area which are oppositely arranged in the vertical direction are arranged in the condensation air channel. The multiple first flow guide ribs are sequentially arranged at intervals in the extending direction of the condensation air channel. The width of the first flow guide rib located in the upper condensation area is larger than that of the first flow guide rib located in the lower condensation area; the wide ribs of the upper condensation area enhance the flow guiding and disturbing effects, condensate water is promoted to adhere and spread, the heat exchange time of drying airflow and condensate water is prolonged, and the dehumidification effect is improved. The narrow ribs of the lower condensation area avoid unnecessary flow resistance, ensure the stability of the flow of the drying airflow, guide the condensate water to be discharged smoothly and effectively prevent the condensate water from being brought into a subsequent air duct by the airflow.

The invention belongs to the technical field of strength detection, and particularly discloses a tower crane big arm deformation detection device, which comprises a drooping type direction compensation assembly, a self-adaptive damping adjustment mechanism, a to-be-detected mechanism, a deformation feedback assembly and a fixed detection base station, the drooping type direction compensation assembly is arranged on the to-be-detected mechanism, and the self-adaptive damping adjustment mechanism is arranged on the to-be-detected mechanism. The to-be-detected mechanism is arranged on the fixed detection base station, the deformation feedback assembly is arranged on the drooping type direction compensation assembly and the fixed detection base station, and the self-adaptive damping adjustment mechanism is arranged on the to-be-detected mechanism. According to the technical scheme that the floating valve element suspends in the annular piston, the sliding resistance can be further reduced by increasing the gap at the low speed, and the sliding resistance can be further increased by reducing the gap at the high speed; in addition, invalid data generated when light rays pass through are filtered according to the length of the irradiation time, and the accuracy of a feedback result is further improved.

The application provides a body external counterpulsation gas storage tank electromagnetic valve integrated type, and belongs to the technical field of gas supply and gas transmission devices. The application comprises a gas storage tank, a plurality of electromagnetic valve interface pipes in communication are arranged on the gas storage tank, electromagnetic valves in communication are arranged on the electromagnetic valve interface pipes, an air compressor interface pipe in communication is arranged on the gas storage tank, the air compressor interface pipe is in communication with the output end of an air compressor, the air compressor is used for storing compressed gas in the gas storage tank, and a mounting seat is arranged at the bottom of the gas storage tank. The application is characterized in that a DN15 inner thread pipe fitting is welded on the gas storage tank, the electromagnetic valve is directly mounted on the gas storage tank, the original gas storage tank and the electromagnetic valve are integrated on the basis of the split type, the connecting pipeline between the traditional electromagnetic valve and the gas storage tank is removed, the problems of gas leakage and increased resistance along the pipeline caused by the excessively long pipeline are solved, and the gas leakage between the pipelines is eliminated.

The invention discloses a system and a method for removing ammonium sulfate compounds by an SCR (selective catalytic reduction) flue gas denitration process, and relates to the technical field of environmental protection engineering, the system comprises an SCR reaction tower, a system state monitoring system, a circulating air system, a power system and a centralized control system, the SCR reaction tower performs denitration reaction on flue gas entering the SCR reaction tower; the circulating air system is used for receiving the gas after denitration by the SCR reaction tower and inputting the heated gas into the SCR reaction tower for cleaning and heating the interior of the SCR reaction tower. The system can solve the problems of catalyst deactivation and system resistance increase caused by adhesion of the ammonium sulfate compound to the surface of the catalyst in the SCR flue gas denitration technology, realizes effective removal of the ammonium sulfate compound and dust particles through cooperation of the system state monitoring system, the circulating air system and the centralized control system, recovers the activity of the catalyst, and improves the denitration efficiency. The denitration efficiency is improved, and the equipment blockage risk is reduced.

The invention relates to a water floating type vertical axis wind turbine which comprises a wind turbine main shaft and wind turbine blades arranged on the periphery of the wind turbine main shaft, the wind turbine main shaft is vertically arranged, the wind turbine further comprises a water pool located below an installation foundation, and the wind turbine main shaft penetrates through the installation foundation and then is inserted into the water pool. A first gap is directly reserved between the bottom of the wind turbine main shaft and the bottom of the water tank; buoyancy provided by liquid in the water pool to the wind turbine spindle counteracts gravity of the wind turbine spindle so as to reduce resistance of the wind turbine spindle during rotation. Compared with the prior art, the bottom of the main shaft is arranged in the water pool below the installation foundation, the gravity of the main shaft of the wind turbine can be balanced through buoyancy provided by liquid in the water pool, and therefore the rotation resistance of the main shaft of the wind turbine is reduced; the problem that the power generation efficiency is reduced due to resistance increase caused by size increase is solved.

This utility model discloses a high-strength magnetic pump isolation sleeve, relating to the technical field of magnetic pump isolation sleeves. It includes an outer sleeve and an inner sleeve fitted inside the outer sleeve. Both the outer and inner sleeves have communication openings at their tops. The inner sleeve's inner wall is provided with anti-vortex guide plates to reduce fluid resistance. The bottom of the inner sleeve has a buffer pad with multiple vents. A fastening bolt is screwed onto the bottom of the outer sleeve, and multiple reinforcing ribs are fixed to the bottom of the inner sleeve. This utility model significantly improves the sealing performance of the isolation sleeve through the use of protrusions; ensures stable installation through the use of threaded posts; and significantly reduces fluid flow resistance, improves the delivery efficiency of the magnetic pump, reduces energy consumption, and minimizes energy loss and mechanical vibration caused by vortices. This solves the problems of high flow resistance and low delivery efficiency caused by fluid vortices in traditional isolation sleeves.

The present invention provides a laser beam expansion and focusing lens, which relates to the field of microscope equipment, including a fixing mechanism, a moving mechanism and a rotating mechanism, wherein a clamping mechanism is provided on the inner side wall of one end of a first fixed lens barrel, the clamping mechanism is provided with a through hole in the axial direction, the clamping mechanism is provided with two guide circular holes with the axis of the through hole as the symmetry axis, a fixed lens pressing ring clamps and fixes the fixed lens group in the through hole, a first internal thread is provided on the inner side wall of the other end of the first fixed lens barrel, a first external thread matching the first internal thread is provided on the outer side wall of one end of the second fixed lens barrel, a moving lens pressing ring clamps and fixes the moving lens group at one end inside the moving lens barrel, two thread grooves are provided on the other end of the moving lens barrel, a guide round rod penetrates the guide round hole and is inserted into the thread groove, the moving lens barrel is provided on the inner side wall of one end of the rotating lens barrel, and the rotating lens barrel is connected to the inner side wall of the second fixed lens barrel through a steel ball and a screw stopper. The present invention has smooth linear movement, and good rotation continuity and flexibility.