39results about How to "Can be used in a wide range" patented technology

The invention provides N,N,N,N-tetramethylethylenediamine sulphonate ionic liquid and a preparation method thereof, belonging to the technical field of organic chemical synthesis. The preparation method of the ionic liquid comprises the following steps: using N,N,N,N-tetramethylethylenediamine and sultone to react at room temperature in the presence of acetone and absolute ethanol to obtain N,N,N,N-tetramethylethylenediamine sulphonate inner salt, and then using N,N,N,N-tetramethylethylenediamine sulphonate inner salt to react with inorganic acid or organic acid to obtain disulfonic acid groupacidic ionic liquid with N,N,N,N-tetramethylethylenediamine cationic group. The prepared ionic liquid can be used as the catalyst or solvent of organic reactions, in particular to the catalytic reaction of inorganic acid or organic acid; compared with the existing monosulfonic group acidic ionic liquid used as catalyst, the N,N,N,N-tetramethylethylenediamine sulphonate ionic liquid has higher catalytic activity, less dosage, less loss in cycle use, higher product yield and more environmentally friendly.

The invention provides a manufacturing method of tanned shrunk grain top layer leather. In the method, crust leather is successively subjected to following processes: degreasing, re-tanning, neutralization, filling, dyeing, fat-liquoring, stacking, vibration-softening, leather grinding, painting-decoration and roll-burnishing. In the re-tanning process, by means of addition of sodium carbonate, the pH value of liquid in a drum machine is regulated to be 8-10 and meanwhile the temperature of the liquid is adjusted to be 33-35 DEG C, and then the crust leather is added with a shrunk grain agent to generate patterns on the crust leather, and finally when the processes are finished, the liquid in the drum machine is drained completely. In the invention, the shrunk grain agent is added at special pH value and temperature for generate bull-shoulder pattern on the crust leather, so that the tanned shrunk grain top layer leather is unique in appearance and is wider in available range when compared with a tanned leather prepared through a conventional technology. Meanwhile, by means of addition of a tannin extract in a special manner and at a special proportion during the filling process, the bull-shoulder pattern on the crust leather can be shaped to form a pattern shrinking effect.

The invention discloses a chain block. The chain block comprises a long shaft, a lifting body, a hand chain wheel, a hand pull chain arranged on the hand chain wheel in a sleeving mode and a chain wheel housing covering the hand chain wheel, wherein the lifting body and the hand chain wheel are arranged on the long shaft in a sleeving mode. The chain wheel housing is connected with the lifting body in a relatively rotating mode. The chain wheel housing is provided with a guide mechanism of the hand pull chain. The lifting body comprises a lifting chain wheel arranged on the long shaft in a sleeving mode and a pair of chain guide plates attached and fixed to each other and of a symmetrical structure. The lifting chain wheel is arranged between the chain guide plates. According to the chain block, a lifting chain is guided through the chain guide plate, the guide mechanism guides the hand pull chain, the chain is made to operate smoothly, the service life of the chain is prolonged, and jamming of the chain is prevented.

A steel pipe concrete column variable section broken-line-shaped steel bracket comprises an upper flange plate, a lower flange plate and a web perpendicularly connected between the upper flange plate and the lower flange plate. The upper flange plate and the lower flange plate are the same in structure and each comprises N flange plate bodies and N-1 transition sections. Every two adjacent flange plate bodies are connected through one corresponding transition section, and thus a broken-line-shaped multilayer structure is formed. The elevation of the flange plate bodies is sequentially decreased section layer by section layer, the width is decreased layer by layer, the height difference between every two adjacent flange plate bodies is 2d, and d is the steel bar diameter. A construction method of the variable section broken-line-shaped steel bracket comprises the following steps of S1, variable section broken-line-shaped steel bracket deep design, S2, steel bracket segmented manufacturing in a processing factory, S3, steel pipe column and steel bracket field installation welding, S4, simulation test, steel bar welding and binding, and S5, concrete pouring and maintenance. According to the construction method for connecting a steel pipe concrete column with a concrete beam by using the variable section broken-line-shaped steel bracket, operation is easy and convenient, the construction process quality is controllable, and the structure safety can be improved.

The invention discloses a quadruped robot self-adjusted from any posture in the air to a landing posture. The robot comprises a steering engine control unit, steering engines and a quadruped robot body, wherein the quadruped robot body comprises a trunk body and leg units capable of carrying out spatial two-degree-of-freedom motion; through conical pendulum motion in different directions of the leg units, any posture in the air can be adjusted into the landing posture to enable the robot body to reach the ground; the four leg units of the quadruped robot body are provided with the steering engines respectively, and the steering engines are controlled by steering engine commands output by the steering engine control unit; and the steering engine control unit carries out control on the steering engines by adopting an adjusting sequence from an X axis to a Y axis and to a Z axis. According to the quadruped robot self-adjusted from any posture in the air to the landing posture, when the quadruped robot is adopted to bear a satellite structure body, posture adjustment of smooth and stable landing of the satellite structure body can be achieved without external force action.

The invention discloses a mistaken touch preventing identification method. The identification method comprises the steps that when it is detected through screen touching that the distances between one or more zones on the surface and an outside object are smaller than or equal to preset distance threshold values, light sensation values of the zones are detected through screen touching and judged; when it is detected through screen touching that the light sensation values of the zones are smaller than or equal to preset light sensation threshold values, mistaken touch preventing operation is triggered through screen touching. Judgment on touch screen surface light sensation values is added in the mistaken touch preventing identification process, triggering of the mistaken touch preventing operation of a touch screen device is determined when it is detected through screen touching that the light sensation values of the zones are smaller than or equal to the preset light sensation threshold values, the problem that it is erroneously identified through distance sensing detection of a touch screen that the outside object is close to a mobile phone under the situation that the touch screen surface is interfered by oil stains or a distance sensing structure portion deforms slightly, and accordingly false alarm or mistaken touching easily occurred in a bright state of the touch screen is caused is solved, the probability of false alarm or mistaken touching is reduced by judging the light sensation values, and user experience is improved.

The invention discloses a supersonic speed spiral bladeless dust collection device suitable for a coal mine transfer point. The supersonic speed spiral bladeless dust collection device comprises a shell, a Laval supersonic speed airflow generation device, an airflow reversal acceleration device and a spiral airflow generation device. The shell is of a hollow cylindrical structure, and eight internal thread holes used for installing the laval tube supersonic speed airflow generating devices are formed in the front end of the shell. And the cylindrical section of the rear end of the shell is provided with a circle used for being connected with the air flow reversal acceleration device. A center cavity channel is formed in the center of the Laval supersonic speed airflow generating device, the center cavity channel is divided into a straight pipe cavity channel section and a Laval pipe cavity channel section, and the side wall of an expansion section of the Laval pipe cavity channel section is in a concave curve shape. The two layers of shells of the air flow reversal acceleration device are both horn-shaped, the shells are gradually shrunk from the upper edge to the bottom end, and an air outlet is formed when the shells are shrunk to the minimum position. The spiral airflow generating device is a double-layer ring, and an air splitter is mounted in an interlayer of the ring.

The invention discloses a power regeneration type braking and boosting integrated device used for a locomotive. The kinetic energy of the locomotive is recycled by virtue of a gear set, and the recycled kinetic energy of the locomotive is converted into air potential energy to be stored by virtue of a double screw air compressor. When the compressed air reaches a certain pressure, a generated counter acting force inhibits the action of the double screw air compressor, and finally the locomotive brakes. When the locomotive starts, the compressed air is released and expands to do work and then drive a high pressure air engine, thus the locomotive is driven. The dead weight of the device in the invention can be controlled in a lighter range, and the braking is safe and stable when a frictiontype braking is combined; and the energy recycling efficiency is high, the application range is wide, and the device can be applied to multiple locomotives and other traffic tools.

The invention belongs to the technical field of chemical engineering, and particularly relates to a method for producing azodiisobutyronitrile from hydrobromic acid and hydrogen peroxide under the action of a catalyst. The method comprises the following steps: adding a hydrobromic acid solution, diisobutyronitrile hydrazine and a catalyst into a reaction kettle to form two phases; stirring the material, reacting the hydrogen peroxide with hydrobromic acid to generate bromine, reacting the bromine with diisobutyronitrile hydrazine under the action of a catalyst to generate azodiisobutyronitrile and hydrobromic acid, reacting the hydrobromic acid with the hydrogen peroxide dropwise added thereafter to generate bromine, continously reacting the bromine with diisobutyronitrile hydrazine to generate azodiisobutyronitrile and hydrobromic acid, and when no diisobutyronitrile hydrazine exists in the solution, and ending the reaction to finally form a mixed phase containing azodiisobutyronitrile and a hydrobromic acid solution. The mother liquor obtained after the hydrobromic acid reaction can be recycled, all components contained in the mother liquor cannot be separated out or discharged, no redundant substances are generated, recycling of materials is achieved, the cost is saved, the economical efficiency is excellent, the reaction time is shortened by half, and energy consumption is greatly saved.

The invention relates to a preparation method of intelligent temperature control glue and film, comprising the following steps of: (a) dispersing R-phase or M-phase vanadium dioxide (VO2) particles with phase change function into a dispersing agent; (b) dispersing the vanadium dioxide particles dispersed in the solvent into self-bonding glue, and forming a glue with intelligent temperature control performance based on the intelligent temperature control property of the vanadium dioxide nano particles; and (c) spreading the glue with intelligent temperature control performance on a flexible base material, forming a coating based on the self-bonding property of the glue, wherein the coating can be combined with a releasing film layer without a mounting glue so as to form the intelligent temperature control film. In comparison with the conventional film, the film provided by the invention not only has the intelligent temperature control effect, but also is simplified in technology, thus, cost is lowered, and the film can be widely used in various aspects, such as energy saving for buildings, heat insulation for car windows, and surface protection.

The invention relates to a supersonic speed dry-wet combined spiral bladeless dust collection and removal system. The supersonic speed dry-wet combined spiral bladeless dust collection and removal system comprises an outer shell, a Laval supersonic speed airflow generation device, an airflow reversal acceleration device, an inner shell and a spiral airflow generation device, and an internal thread hole is formed in the joint of the outer shell and the first end of the inner shell so that the Laval supersonic speed airflow generation device can be arranged; the interior of the cylindrical section of the joint of a second end is connected with the airflow reversal acceleration device, the internal threaded hole serves as a first air inlet, an air outlet of the airflow reversal acceleration device serves as a first air outlet, and the spiral airflow generation device is located at the joint of the outer shell and the second end of the inner shell and connected with the first air outlet, and a dust removal method is provided. Accroding to the supersonic speed dry-wet combined spiral bladeless dust collection and removal system and the dust removal method thereof, by utilizing a Laval supersonic speed negative pressure dust collection technology, dust escaping from a coal mine transfer point can be effectively captured, the whole structure is simple, the dust can be removed after dust collection, the operation is safe, the efficiency is high, and the supersonic speed dry-wet combined spiral bladeless dust collection and removal system and the dust removal method thereof is more suitable for coal mines.

The invention discloses a coal quality evaluation method. The coal quality evaluation method comprises the following steps: setting coal evaluation indexes, and establishing a coal evaluation index analysis model; acquiring evaluation index parameters of the coal, and grading the evaluation index parameters according to a comprehensive evaluation index; setting a quality factor and a grading value for the evaluation index, and obtaining an evaluation factor through a calculation model of the evaluation index; setting the weight of the evaluation index; and performing weighted synthesis on the evaluation factors according to the weights of the evaluation indexes to obtain a final quality evaluation result. The coal quality evaluation method has the beneficial effects that by establishing the quality evaluation model and utilizing the scientific method, quality grading and scoring are carried out after coal quality characteristic numerical values are normalized, quantitative quality factor values are given, quality grading and scoring can be carried out on coal from multiple dimensions, and finally the comprehensive evaluation result of the coal is obtained; the coal quality factor is fully and completely considered, the application range is wide, and the method is diversified for users.

The invention discloses a hydraulic rail changing machine, and belongs to the technical field of rail changing operation devices, aiming to solve the problems of existing large rail changing devices,such as inconvenience in use and low efficiency in manual rail changing work. The hydraulic rail changing machine comprises a horizontal main frame. A clamping component, a translation component and alifting component are mounted on the main frame; the clamping component is used for clamping a to-be-changed steel rail; the translation component is used for carrying the to-be-changed steel rail; the lifting component is used for lifting and dropping the to-be-changed steel rail; the clamping component can horizontally move along the main frame; the clamping component, the translation componentand the lifting component are driven by a hydraulic oil cylinder, and can be independently controlled by different hydraulic control valve groups. The hydraulic rail changing machine can rapidly remove and lay steel rails during public rail changing. Compared with large-scale rail changing vehicles, the hydraulic rail changing machine has the advantages of flexibility in use, economy, and wide application range; compared with manual work, the hydraulic rail changing machine has the advantages of high working efficiency, reduced manpower and reduced labor intensity.

The invention discloses a blasting dust falling device and an implementation method of the blasting dust falling device. The blasting dust falling device comprises a device body and a pipe end spray nozzle device. The device body is a concrete pump truck. The pipe end spray nozzle device is installed on an end opening hose or the tail end of the hose of the concrete pump truck, and comprises a spray nozzle device connector (1) and a spray nozzle device body (2). The spray nozzle device body comprises tail end long-strip-shaped outlets (3) and tail end inward concave surface water outlet holes(4). The spray nozzle device connector and a hose connector are consistent. One end of the spray nozzle device connector is used for enabling the spray nozzle device to be fixed to the end opening hose or the tail end of the hose of the concrete pump truck, and the spray nozzle device body is arranged at the other end of the spray nozzle device connector. The spray nozzle device body and the spraynozzle device connector are fixedly connected, the spray nozzle device body is cylindrical, the multiple long-strip-shaped outlets are formed in the tail end of the spray nozzle device body in the transverse direction of the cylindrical surface, and the bottom surface of the spray nozzle device body is inwards concave. The blasting dust falling device can conduct dust falling operation at the high position on the site after engineering blasting is accomplished, the range of action is broad, and the dust falling effect is good.

The invention discloses a predistortion processing method based on a parallel structure. The method includes the following steps: (1) inputting data into a system to obtain a universal predistortion coefficient; (2) when the input data is stable, enabling the system to obtain a predistortion coefficient, and turning off an adaptive predistorter branch switch; (3) when the input data is stable, enabling an adaptive predistorter to update the predistortion coefficient; when the input data is unstable, turning off the adaptive predistorter branch switch; and when the input data is a wide-band high-power signal, returning to the step (1); (4) when the input data is a narrow-band low-power signal, turning off the adaptive predistorter branch switch, and returning to the step (3); and (5) when the input data in the step (4) is a wide-band high-power signal, returning to the step (1). According to the scheme of the invention, the problems existing in a traditional predistortion method can besolved, more excellent predistortion performance can be realized, and the power amplifier output has better linearity.

The invention discloses a cable arrangement support for wiring of computer network engineering construction, which comprises a cable arrangement box, wherein a lug plate is mounted on the outer side of the top end of the cable arrangement box, a cover plate is mounted on the upper side of the lug plate, a plurality of cable arrangement plates are arranged in the cable arrangement box, a cable arrangement groove is formed in one side of each cable arrangement plate, buckling grooves are symmetrically formed in the top wall of the lug plate and the bottom wall of the cover plate, wire bodies arejointly distributed in the cable arrangement groove and the buckling grooves, a plurality of rotatable blocking strips are installed on the side, which is provided with the cable arrangement groove,of the cable arrangement plate, each rotatable blocking strip comprises a rotating shaft and a blocking strip, one end of each rotating shaft is fixed to the cable arrangement plate, and the other endis rotationally mounted with one end of the blocking strip. According to the scheme, the network cables can be orderly arranged and fixed on the wall through the cable arrangement support, a plurality of network cables can be arranged, disordered arrangement of the network cables on the wall is avoided, later maintenance is facilitated, the operation process is simple, and the working efficiencyis improved.

The invention aims to provide an inter-plane sealing assembly for a high-temperature zone gap of a gas turbine. The inter-plane sealing assembly comprises an upper groove clamping seat, a lower grooveclamping seat and a sealing clamping ring, the upper groove clamping seat and the lower groove clamping seat are fixed to the upper end face and the lower end face of a gap between a diffusion section at a compressed air inlet of a combustion chamber and a supporting plate correspondingly, and the two ends of the sealing clamping ring are installed in the upper groove clamping seat and the lowergroove clamping seat correspondingly; and the two ends of the sealing clamping ring are open circular rings, the diameter of the circular rings is larger than the inner size of the groove clamping seat, when the sealing clamping ring is installed in the upper groove clamping seat and the lower groove clamping seat, the circular rings contract and deform inwards, and inter-plane sealing is achievedthrough deformation and springback of a steel structure of the sealing clamping ring. The sealing assembly can be installed in a whole ring mode, fasteners do not need to be adopted for fastening, installation convenience is guaranteed, and meanwhile the risk that due to long-term operation of the gas turbine, the fasteners are broken and damage equipment is avoided; and the sealing assembly is not limited by the plane position, the groove clamping seat can be staggered, an included angle can be formed between the two planes, and the application range is extremely wide.