53results about How to "Good on-site use" patented technology

The invention discloses a composite metal ceramic powder, a furnace roller coated with the same and a preparation method thereof. The composite metal ceramic powder contains the following components in percentage by weight: 35-70 percent of MCrAlY or MCrAlTaY, 25-45 percent of Cr3C2 and 5-20 percent of Na2Ti6O13 or K2Ti6O13, wherein M is Ni, Co or Ni-Co alloy. The furnace roller comprises a workpiece substrate and a coating sprayed on the workpiece substrate, wherein the coating comprises a surface layer and a bottom layer or a single surface layer, and the surface layer is made of the composite metal ceramic powder. The furnace roller is prepared by adopting a high-speed oxygen flame spraying method and has excellent heat resistance, wear resistance and nodule resistance performances and average service period reaching over 2 years.

The invention discloses an ultralow-power-consumption pH signal conditioning transmission circuit and a real-time water quality monitoring system. The monitoring system comprises a pH sensor, a smalllightweight portable box, a lithium iron phosphate battery box, the pH signal conditioning transmission circuit, a single chip microcomputer, a data receiving module, an analog-digital conversion module and a data transmission module is arranged in the portable box. Under 3V power supply of a single power supply, power consumption of the pH signal conditioning transmission circuit can reach an ultralow state of 130mu A or less; furthermore, -414mV(ph=14) to +414mV(pH=0) weak water quality parameter signals monitored by the pH sensor can be correspondingly amplified to 1.4V to 0V, so that the real-time water quality monitoring system can reach ultralow power consumption, can be conveniently installed at different detection sites especially in inspection wells without achieving power supply,can be applied to monitoring whether sewage and wastewater meet a discharge standard and can report the abnormal water quality situations in time; thus, the problem that real-time collection cannot be achieved mutually in real life and the problem of long-time power supply of the system are solved, manpower resources are saved, and cost is reduced.

The invention discloses a car hook connecting and hanging method. The method is characterized by comprising the following steps of: connecting dragging points among cars by using a hoisting belt at one side of a car body, and stirring and pulling the cars to a car hook connecting and hanging distance by using a stirring roller; matching by using a jack, a supporting rod and a cushion block and jacking up the car hooks after the car hook distance reaches the connecting and hanging distance, continuously stirring the hoisting belt by using the stirring roller, so that the connected and hanged car hooks are tightly connected without gaps; and mounting connecting rings after the car hooks are jacked up to a horizontal state and no gap exists between two car hooks. The car hook connecting and hanging method has the advantages of low manufacture cost, convenience in use and good on-site using effect, saves time and labor and is safe and reliable.

The invention discloses an automatic system for measuring starting and wind speed characteristics of a cup type wind speed sensor. The system includes a miniature wind tunnel generation device and a wind speed calibration instrument. The miniature wind tunnel generation device simulates wind speed of 0 to 10 m / s inside through a direct current fan to measure a starting wind speed characteristic and 0 to 10 m / s wind speed characteristics of the cup type wind speed sensor. The wind speed calibration instrument drives a wind speed sensor shaft to rotate through a driving device inside the wind speed calibration instrument to measure high wind speed section 10 to 40 m / s wind speed characteristics of the sensor. The system design has the characteristics of simple structure, small size, high measurement accuracy, good field use effect, lower measurement cost and the like. On the premise that appearance, rotation performance and a balance characteristic of a wind cup are qualified, through starting wind speed detection, an instrument whose resistance characteristic of the wind cup of the wind speed sensor is unqualified can be eliminated, repair is convenient, and the percent of pass of the instrument is guaranteed. After the starting wind speed detection is qualified, wind speed indicating value calibration is performed, thereby obtaining accurate wind speed characteristics.

A low-fluorescence high temperature resistant drilling fluid is applied to exploratory well drilling in high-temperature formations of deep wells. The drilling fluid comprises, by weight, 1.0-2.5% of a drilling fluid loss agent PAMS601, 2-4% of sulfonated methypheuo formald-ehyde, 4-8% of sulfonated lignite resin, 0.6-1.0% of di-n-dodecylamine, 0.1-0.5% of fatty alcohol-polyoxyethylene ether, 0.8-1.5% of Na2SO3, 0.1-0.3% of sodium alkyl benzene sulfonate and 30-90% of water. The low-fluorescence high temperature-resistant drilling fluid has the advantages that the fluorescence grade of the drilling fluid system is lower than Grade 5, the temperature resistant ability is above 200 DEG C, and the fluid can restrain formation mud making, improves stability of well walls, controls reservoir clay swelling and improves reservoir protection effects, besides, the fluid has the advantages of being stable at the high temperature, low in fluorescence and particularly applicable to deep well drilling.

The invention provides a chassis structure of an inspection robot and the inspection robot. The chassis structure of the inspection robot comprises a chassis and a driving wheel train fixedly installed on the chassis, wherein the driving wheel train comprises multiple sets of walking wheels and driving mechanisms in one-to-one correspondence with the multiple sets of walking wheels, and the walking wheels are correspondingly installed at the bottom end of the chassis; the driving mechanism comprises a first driving assembly for driving the walking wheels to rotate and a second driving assembly used for driving the walking wheels to go straight; the first driving assembly is fixedly installed on the top end face of the chassis through a supporting frame, the second driving assembly is connected with the fixing assembly through a gear mechanism, the fixing assembly penetrates through the chassis and is fixedly connected with the walking wheels, and the second driving assembly is perpendicular to the walking wheels. By adopting the four sets of walking wheels, each set of walking wheels is provided with one set of first driving assemblies for driving the walking wheels to rotate and one set of second driving assemblies for driving the walking wheels to go straight, actions such as turning can be easily completed, so that the robot has the advantages of being flexible in operation and wide in application range.

The invention discloses a method of mounting a felling traction rope, comprising: in order to mount a traction rope, fixing the traction rope to a traction rope fixing hole, mounting a wabbler to a fixed connector, mounting an insulating operating rod to the wabbler, using the insulating operating rod to extend a hoop of the felling traction rope above the center of gravity of a tree so that the hoop is automatically adjusted in size to clamp a trunk, rotating anticlockwise to remove the insulating operating rod, and continuously tensioning the traction rope so that the center of gravity of the tree is slightly shifted before felling can be begun. The method has the advantages that carrying is convenient, operating is simple, the traction rope can be fixed on a ground just through the insulating operating rod, climbing in wet slippery woods is avoided, safety and convenience are high, field service effect is significant, and expected objectives are achieved.

A processing method for adaptive milling of the outer surface of the opening case, determining the trajectory planning of the adaptive milling process for the outer surface of the opening case, determining the online measurement trajectory planning of the outer surface of the opening case, and generating a strip with a software post-processing method. Machining programs with adaptive milling compensation variables. Determine the machining path planning of adaptive milling tool. The tool path is changed from the longitudinal reciprocating mode to the longitudinal single mode, and from the original forward and reverse milling alternate milling to all the forward milling mode, which improves the cutting force of the tool during processing, and improves the processing efficiency and surface quality. The invention has the advantages of significant economic benefits, increased milling efficiency by more than 20%, qualified wall thickness, and improved surface quality by one grade. Under the premise of ensuring the processing quality of the parts, the milling processing time can be shortened, the processing efficiency can be improved, and the wall thickness and size requirements can be guaranteed. The processing quality of the parts is stable, and the processing efficiency is obviously improved, and it can be extended to the external milling of other opening casings.

The invention discloses a composite metal ceramic powder, a furnace roller coated with the same and a preparation method thereof. The composite metal ceramic powder contains the following components in percentage by weight: 35-70 percent of MCrAlY or MCrAlTaY, 25-45 percent of Cr3C2 and 5-20 percent of Na2Ti6O13 or K2Ti6O13, wherein M is Ni, Co or Ni-Co alloy. The furnace roller comprises a workpiece substrate and a coating sprayed on the workpiece substrate, wherein the coating comprises a surface layer and a bottom layer or a single surface layer, and the surface layer is made of the composite metal ceramic powder. The furnace roller is prepared by adopting a high-speed oxygen flame spraying method and has excellent heat resistance, wear resistance and nodule resistance performances and average service period reaching over 2 years.

The invention relates to a processing method for offset milling of the cone-shaped outer surface of the casing. The following steps are as follows: using UG software to prepare the milling operation of the cone-shaped outer surface of the casing; planning the milling sequence and cutting tools for the cone-shaped outer surface of the casing track; customize the special post-processing program of UG software; use the special post-processing program to create the G code program recognized by the machine tool; plan the milling sequence and tool trajectory of the outer surface of the cone of the casing as follows: the outer surface of the cone of the casing is divided into Several surface areas, each surface area is used as a separate driving body, and each surface area is represented by (U, V) parameters; the feed point is selected in the middle of a single surface area, and the angle θ between the feed direction and the cutting direction is greater than 90 °, less than 270. The invention improves the cutting angle of the tool, increases the cutting range of the side edge, and reduces the cutting of the bottom edge, thereby reducing the wear of the tool, improving the processing efficiency, and successfully solving the problem of numerical control milling on the cone-shaped outer surface of the casing.

The invention discloses a PCD forming milling cutter for machining an automobile inlay. The PCD forming milling cutter for machining the automobile inlay is characterized in that the PCD forming milling cutter comprises a cutter handle and a cutter body, the joint between the cutter handle and the cutter body is in smooth curve transition, and a first cutting part and a second cutting part are sequentially arranged between the front end of the cutter body and the cutter handle; the first cutting part and the second cutting part are respectively composed of two or more blades distributed along the circumference of the cutter body, each blade in the first cutting part is composed of two continuous cutting edges, the blade of the second cutting part is provided with a cutting edge, the three cutting edges are respectively composed of an outer side cutting edge and an inner side buffering part, each blade is of a wedge-shaped structure with a wide outer side and a narrow inner side, and outer edge angles formed by the blades and the side faces of the blades are all provided with round chamfers. The PCD forming milling cutter for machining the automobile inlay can be used for machining automobile inlay parts, and the machined embedded parts are tightly embedded and are not prone to loosening.

The invention relates to a meteorological measuring instrument, in particular to a device capable of diagnosing a failure of a visibility sensor and a detection method. Mainly for the diagnosis of the visibility sensor, the equipment includes limit switches, stepping motors, chassis, support columns, columns, cross arms, holding plates, control boxes, detection devices, motor brackets, and fixed feet. The detection device is driven to rotate by the stepping motor, so that the detection device sequentially covers the laser detection area of ​​the measured visibility sensor, and the measured visibility sensor uploads the captured meteorological visibility status data to the host computer software. The host computer software compares the visibility difference of different detection devices with the standard deviation, and judges whether the measured visibility sensor is faulty or not through the judgment of the measured data and the difference. The equipment has the advantages of high degree of automation, convenient operation and maintenance.

The invention provides a switch waterproof circuit system for an electric vehicle. An MCU module, a signal processing module and a driving module are configured on an instrument circuit board, the signal input end of the signal processing module is connected with a switch assembly, and the signal output end of the signal processing module is connected with the MCU module; the input end of the driving module is connected with the MCU module, and the output end of the driving module is connected with the steering lamp assembly. According to the switch waterproof circuit system for the electric vehicle, the signal processing module and the driving module are integrated on the instrument circuit board, a switch key signal is recognized through the MCU module to achieve the waterproof function and the signal acquisition function of a key, and meanwhile the driving circuit is controlled to achieve the flickering lightening function of left and right steering indicator lamps.

The invention discloses a car hook connecting and hanging method. The method is characterized by comprising the following steps of: connecting dragging points among cars by using a hoisting belt at one side of a car body, and stirring and pulling the cars to a car hook connecting and hanging distance by using a stirring roller; matching by using a jack, a supporting rod and a cushion block and jacking up the car hooks after the car hook distance reaches the connecting and hanging distance, continuously stirring the hoisting belt by using the stirring roller, so that the connected and hanged car hooks are tightly connected without gaps; and mounting connecting rings after the car hooks are jacked up to a horizontal state and no gap exists between two car hooks. The car hook connecting and hanging method has the advantages of low manufacture cost, convenience in use and good on-site using effect, saves time and labor and is safe and reliable.

The invention discloses a low-solid phase ultrahigh-temperature water-based drilling fluid which is prepared from the following components in parts by weight: 100 parts of solvent water, 3-4 parts ofbentonite, 1.8-2.2 parts of a coating inhibitor, 2.3-3.5 parts of a filtrate reducer, 2-2.5 parts of high-temperature resistant resin, 2-2.5 parts of a shale inhibitor, 1.5-2 parts of a stripping agent and 15-35 parts of ultrafine calcium carbonate. The preparation method is simple. The preparation method comprises the following steps: adding a certain amount of bentonite into the solvent water toprepare prehydrated bentonite slurry; then successively adding the coating inhibitor, the filtrate reducer, the high-temperature resistant resin, the shale inhibitor, the stripping agent and ultrafine calcium carbonate while performing high-speed electric stirring; and finally, carrying out hydration at room temperature for 24 hours to prepare the low-solid phase ultrahigh-temperature water-baseddrilling fluid. The low-solid phase ultrahigh-temperature water-based drilling fluid can resist a temperature high up to220 DEG C, the low-solid phase ultrahigh-temperature water-based drilling fluidis good in rheological property, rock carrying property and high in blocking inhibiting property, the problem of low density carrying stability is solved, the low-solid phase ultrahigh-temperature water-based drilling fluid is successfully applied in mounting and probing a 4X well, and a good field application effect is obtained.

Disclosed is a method for calculating deviation rectification of the center of an integral impeller. A determination and application process of the method comprises the following steps of determining and calculating the center line of a disc body portion; determining and calculating the center lines of blade portions by using UG (Unigraphics NX) modeling software; determining the center line of the integral impeller; guaranteeing that the allowance of a wheel disc portion and the allowance of the blade portions are uniform; calculating and determining the theoretical size of a portion to be machined; writing the theoretical size of the portion to be machined in a process file; establishing parts and workblank models; determining the smallest theoretical width of blades of workblanks and the distance between an air feeding and discharging edge and a leaf type stacking line; analyzing an allowance distribution condition and drawing a machining allowance graph; determining and calculating the center line of the disc body portion; determining and calculating the center lines of the blade portions; and determining the center line of the integral impeller. The method for calculating the deviation rectification of the center of the integral impeller has the advantages that because the blade portions are W-shaped integral impeller workblanks, qualified parts of the integral impeller can be machined sequentially under the condition that the allowance of the workblanks is met, and insufficient local allowance caused by over high wrong modulus of the wheel disc portion and the blade portions in a rough machining stage is avoided.