46results about How to "Strong on-site operability" patented technology

The invention discloses a cold and hot alternating test device and method for a converter valve cooling system and belongs to the field of a converter valve cooling system. The device includes a watersupply system, a main circulation system and an air compressor. The water supply system includes a hot water tank and a cold water tank which are connected in parallel. Water outlets of the hot watertank and the cold water tank are respectively connected to a water inlet of the main circulation system through a make-up pump and an electric valve. The main circulation system comprises a main circulation pump, a main filter, a third electric valve, a fourth electric valve and a degassing buffer tank which are sequentially connected by a pipeline. A converter valve to be tested is connected between a water outlet of the third electric valve and a water inlet of the fourth electric valve. An air inlet of the air compressor is connected to the water outlet of the third electric valve througha first electromagnetic valve and is connected to an air outlet of the degassing buffer tank through a first check valve. An outlet of the main filter is respectively connected to water inlets of thehot water tank and the cold water tank through an electric valve. The cold and hot alternating test device and method of the invention has the advantages of simple structure, high degree of automation, safety and reliability and high operation efficiency.

The invention relates to an online analysis meter and an online analytical method for operation performance of an elevator, belonging to the elevator technology field, the online analysis meter and the online analytical method are characterized in that: an upper computer is used for realizing the statistics and analysis of a signal, an embedded industrial controller serves as a main controller, on-site operation is performed by a touch screen, a lower computer is used for realizing the acquisition and processing of the signal and comprises a signal processing module, a signal collecting module, an A / D (Analog-to-Digital) conversion module, a three-axis acceleration sensor and a sound sensor, and the signal processing module is a main controller. By the analysis meter and the analytical method, the online analysis is performed to the operation performance of the elevator, the failure prediction and early warning of the elevator are realized based on an elevator three-axis acceleration and noise signals, a reliable quantified index is provided to analyze and evaluate the safety of the elevator, an effective technical method is provided for the operation quality measurement and risk assessment for the elevator, the online analysis meter adopts a dual-processor structure, thereby ensuring the acquisition and preprocessing of the signal in a high-speed and high-precision manner and having the mass storage capacity and flexible statistic analysis function.

The invention provides an automobile laminated glass bubble eliminating technology. A comprehensive technical means is adopted, meanwhile, the thermodynamic property of a PVB (polyvinyl butyral) film is combined, high-difficulty one-time repair for local intensive bubbles of sharp and steep glass is realized, the field operability is high, the efficiency is high, time and labor are saved, and the technology has higher core competence in the industry, can meet use requirements of part of medium and high-end clients and has greater market potential.

The invention relates to gas-phase and solid-phase flow particle online kinetic characteristic analysis technology, aiming at providing a method and a device which are used for the online measurement of intraductal gas-phase and solid-phase flow particle two-dimensional velocity field and particle size distribution. The device comprises a laser which is a low-power continuous laser of an emittingsheet laser; the laser is movably arranged on a guideway surrounding a pipeline to be measured, the plane of the guideway is vertical to the axial lead of the pipeline to be measured; a CCD camera isalso movably arranged on the guideway, with the lens direction vertical to the direction of the plane of the sheet laser; and the measured position of the pipeline is installed with a transparent glass window. The technology has low cost, compact measuring system and strong field operability, and can carry out online real-time measurement on particle field two-dimensional speed, particle size distribution and particle concentration to different sectional flow fields in the pipeline.

The invention provides an automatic recognizing method and system for UAV aerial survey control points. The method comprises the following steps: manufacturing a portable and recyclable two-dimensional code control point device; recording a mapping relation of ground control point coordinate information and the two-dimensional code control point device into a record sheet; recognizing an image ofthe two-dimensional code control point device in each aerial survey picture through an image processing platform; then recognizing two-dimensional code recognizing code graphic in the image of each two-dimensional code control point device to obtain the device number; searching the record sheet through the image processing platform in order to obtain the ground control point coordinate informationcorresponding to the recognized device number, thus finishing the automatic recognizing process of the UAV aerial survey control points. The method and the system have the advantages that the structure is simple; the field operability is high; the operation is convenient; the two-dimensional code control point device is recyclable; the ground control point coordinates can be easily and automatically recognized in the aerial survey picture processing progress. Therefore, the aerial survey process is simplified, and as a result, the aerial survey picture processing efficiency is improved; the adaptability is high.

The invention belongs to the technical field of foundation engineering, and relates to a preparation method of an end part port sealing precast concrete expanding head tubular pile. Through changing aconnecting mode of an expanding head and a concrete pipe pile, the requirement of the end part port sealing precast concrete expanding head tubular pile for improving the bearing capacity in a mechanical aspect can be met, then the sedimentation of a pile body can be reduced, and the influence of high temperature and residual stress caused by welding can be avoided; and meanwhile, an installationprocess of an end part sensor is improved, a spoke sensor is installed at a pile end of the end part port sealing precast concrete tubular pile, the pile end resistance in a pile sinking process canbe measured; and the friction resistance of a pile side can be calculated according to a pile pressing force, and the change rule of a soil layer in the pile sinking process can be deduced through thepile end resistance and the pile side friction. The preparation method of the end part port sealing precast concrete expanding head tubular pile is simple, convenient to test, simple and convenient to install, high in mechanical degree and strong in field operability, pre-splicing is not needed, and the method is suitable for on-site installation in a piling process.

The invention belongs to a steam turbine cylinder block disassembly method in the field of metallurgy system equipment. The method comprises the steps: 1) an upper cylinder block (5) is upwards lifted by a hoisting component (7), and if a rotor (2) is lifted along with the lifted upper cylinder block (5), it is determined that a steam cylinder (1) is subjected to jam; 2) positioning holes (8) extend to a diaphragm housing ring (3) and an shaft seal sleeve (4) inside the steam cylinder (1), and positioning bars (9) extend into the diaphragm housing ring (3) and the shaft seal sleeve (4); 3) a top pressing tool (10) exerts a downward force on the position of the rotor (2), the hoisting component (7) is connected with the upper cylinder block (5), and an upward lifting force is exerted on the upper cylinder block (5); 4) the upper cylinder block (5) is unceasingly lifted by the hoisting component (7), and the disassembly of the steam cylinder (1) is realized. According to the method, the problem of jam between the steam cylinder and the diaphragm housing ring, the shaft sealing sleeve and the like during the turboset overhauling process can be effectively solved.

The invention relates to the technical field of oil drilling, and relates to a method for realizing plugging by granulated stone filling and follow-up cementing on a packer. The method is characterized in that granulated stone slurry is poured into before cement plugging and prepared according to a formula of polymer gel GD-3, blanc fixe, a bridge plug agent, granulated stone and water in a weight ratio of being 1:20:(10-15):20:100, and the weight unit is KG; and simultaneously, the whole construction process is performed according to steps as follows: the lower part of a light drilling rod is connected with the packer; the granulated stone slurry is prepared; the granulated stone slurry is pumped; cement plugging is performed; cement paste is replaced with water; concretion is waited before a drill is pulled out; the drill is pulled out; a cement plug is drilled. The method aims to overcome defects existing in a plugging technology by directly using cement, and the granulated stone slurry is added before the cement plugging is constructed so as to guarantee completion of the plugging construction.

The invention discloses a fallable type in-hole instrument positioning and embedding device which comprises a mounting plate, hard edges and a monitoring instrument. The device is characterized in that the position of the monitoring instrument fixed on the mounting plate is fixed on the hard edges, the hard edges are adhered to the periphery of the mounting plate through water soluble UV adhesives, the bottoms of the hard edges contacts with the bottom of a hole, the position of the mounting plate is adjusted according to needs, the four hard edges are carried to place the position-adjusted monitoring instrument into a drilled hole, a space for a grouting pipe is reserved, and the drilled hole is filled by grout to complete embedding. The device is simple in structure, convenient to operate, free of complex mounting and operations, accurate in positioning, unlimited by severe external environments, especially suitable for mounting the monitoring instrument in a narrow space, good in mounting effect and simple to operate, difficulty of monitoring instrument embedding on a built project is solved to a great extent, and the monitoring instrument can be mounted fast, efficiently and conveniently.

The invention discloses a casing type in-hole instrument positioning and embedding device. A monitoring instrument is fixed onto a mounting plate through super glue; the mounting plate is fixed onto a mounting main frame through positioning threaded holes and positioning screws; the mounting main frame is inserted into a drill hole; the mounting plate fixedly provided with the monitoring instrument is arranged in the position inside the inner cavity of the mounting main frame wherein the positioning threaded holes are formed, and then the mounting plate is aligned to the threaded holes and fixedly mounted and positioned on the mounting main frame from top to bottom layer by layer; a grouting pipe is inserted inside the drill hole and performs grouting until the drill hole is filled with grout. The casing type in-hole instrument positioning and embedding device is simple in structure, convenient to operate, free from complex mounting operations, accurate in positioning and capable avoiding restriction of external severe environments and influence on backfilling. The casing type in-hole instrument positioning and embedding device is particularly applicable to positioning and mounting monitoring instruments in narrow space and meanwhile is high in mounting effects and simple in operation.