39results about How to "Meet the needs of the site" patented technology

The invention provides an oilfield development plugging agent which is prepared from unsaturated resin emulsion, a curing agent and a coupling agent as raw materials, the unsaturated resin emulsion is formed by mixing 196 unsaturated polyester resin, an emulsifier and water, and the coupling agent is gamma-aminopropyl triethoxysilane. The plugging agent is suitable for the formation at the temperature of 30-90 DEG C, and the resin solution can be self curing at the temperature, and can be used for the permanent sealing of large holes or large cracks which do not need plugging releasing. The oilfield development plugging agent has strong plugging ability, salt resistance, wide applicable scope, long validity period and low cost. Compared with the blocking agent in other profile control systems, the oilfield development plugging agent has obvious advantages on plugging of oil reservoirs with large holes or large cracks, and is in line with the needs of oil field sites.

The invention relates to a manufacturing method of an artificial rock core barn used for evaluation articles of an oil field oil gas water well perforator, which comprises fives procedures of screening quartz sand, manufacturing a standard test rock core, preparing an aluminium phosphate cementing agent, manufacturing the rock core by pressing and drying and sintering. The manufacturing method is easy to be implanted, the one-time success rate of quartz sand matching of different particles can be improved when a large size rock core is manufactured by the method, and the artificial rock core barn which can meet the on-site requirement and can be used in the evaluation on the perforator in high pressure seepage flow performance test is manufactured.

The invention discloses a universal tool capable of quickly disassembling various components, and belongs to the technical field of maintenance tools. The universal tool is used for quickly disassembling the various components such as jaws of work rolls, motor connectors and journal gears. The technical scheme includes that a hydraulic pump station and a hydraulic cylinder height adjusting support are fixed onto a movable trolley, a cylinder body of a hydraulic cylinder is mounted on the hydraulic cylinder height adjusting support, a hydraulic pipeline of the hydraulic pump station is connected with the hydraulic cylinder, and a push rod of the hydraulic cylinder is connected with a disassembling device; a connecting ring of the disassembling device is connected with the hydraulic cylinder, connecting rods are connected between the connecting ring and a fixture, and an ejector rod is positioned between the push rod of the hydraulic cylinder and a disassembled component; the fixture is a mandrel or a barrier. The universal tool has the advantages that the universal tool is simple in structure and convenient to use; the maximum designed press-in force F can reach 200T, so that requirements of fields can be completely met, the jaws of the work rolls, the motor connectors, the journal gears, belt pulleys and the like can be quickly disassembled, damage to machines can be prevented, the production cost can be reduced, and the universal tool has an obvious economic benefit and is high in practicality.

A photovoltaic power generation system preventing potential induced degradation includes a photovoltaic array, an inverter square matrix, an alternating current power distribution unit and an isolation transformer. The output end of each battery module in the photovoltaic array is connected with the input end of each inverter in the inverter square matrix; the output end of each inverter is connected with the input end of the alternating current power distribution unit; the output end of the alternating current power distribution unit is connected with the lower voltage side of the isolation transformer, and the high voltage side of isolation transformer is directly connected with a power grid; and each inverter in the inverter square matrix mainly comprises a DC / AC inversion unit, an alternating current auxiliary source, acontroller and an alternating current filtering unit. The photovoltaic power generation system also includes an anti-PID power module arranged at the output end of the alternating current power distribution unit or the low voltage side of the isolation transformer and used for lifting voltage to earth of the alternating current sides and the direct current sides of the inverters; the anti-PID power module can be installed as an independent unit module; and a function of inhibiting a PID effect of the photovoltaic grid-connected power generation system in an inverter working process in the daytime and a function of applying reverse voltage compensation recovery aiming at the PID effect when the inverters are disconnected with a network in the nighttime can be realized.

The invention discloses an air conditioner device. The air conditioner device comprises a case, an airflow guide-in device, a supersonic flow nozzle, two valve pieces, a vacuum pipe, a communication device, a heater, a humidifier and an airflow guide-out device. The case comprises an air inlet and an air outlet. The airflow guide-in device and the airflow guide-out device are arranged in the positions, close to the air inlet and the air outlet, in the case respectively. The supersonic flow nozzle comprises an air inlet part, a throat part and an exhaust part which are sequentially connected and are coaxial. The area of the section is gradually reduced from the end, far away from the throat part, of the air inlet part to the other end, close to the throat part, of the air inlet part, and the area of the section of the throat part is smaller than that of the exhaust part. The two valve pieces are arranged at the two ends of the supersonic flow nozzle respectively. The vacuum pump is communicated with the supersonic flow nozzle. The communication device is connected to the air inlet part and the exhaust part. The heater and the humidifier are arranged between the supersonic flow nozzle and the air outlet.

The invention discloses a compound sensor for measuring appearance of nanometer by using holographic laser, and belongs to the technical field of nanometer appearance measurement. The compound sensor comprises a holographic laser reading head 1, a holographic laser reading head 2, an optical module, a microscopy optical lens, a measurement sample, an electric measurement system, a camcorder (CCD) and a monitoring system, wherein the optical module used for filtering, aligning and splitting lights comprises an optical lens set 1, an optical lens set 2, an adjusting lens 1, an adjusting lens 2, an adjusting lens 3, a splitting lens 1 and a splitting lens 2. The compound sensor has a simple structure and key parts are low in cost. A holographic laser element is taken as the core, and the design structure for the sensor is proposed; by combining improvement on measurement range and maintenance of measurement precision, the sensor can be effectively matched with the measurement system to improve automatic control level for measurement of the system. Moreover, the sensor with video monitoring function can meet the requirements of several fields.

The invention relates to a well sealer for sealing the mouths of wells in an oil field, in particular to a rotary self-sealing well sealer which comprises a shell, an upper bearing, a centralizing bearing, a lower bearing, a rotary self-bearing rubber sleeve and a pressure plate. The rotary self-sealing well sealer is characterized in that the upper part of the rotary self-bearing rubber sleeve is in a hollow cake ring-shaped structure, the upper surface of the upper part of the rotary self-bearing rubber sleeve is matched with the upper bearing, the outer circle of the upper part of the rotary self-bearing rubber sleeve is matched with the centralizing bearing, the lower surface of the upper part of the rotary self-bearing rubber sleeve is matched with the lower bearing, and the upper bearing, the rotary self-bearing rubber sleeve, the centralizing bearing and the lower bearing are fixed in the shell by the pressure plate at the bottom of the lower bearing. The invention provides a special rotary self-sealing well sealer for sealing drill rods, oil pipes and well-in annulus rotating in the mouths of the wells during drilling and repairing oil wells, water wells and oil and gas wells.

The invention discloses a bottom wrapping type vibration hammer profile steel pile pulling machine and a pile pulling method. The pile pulling machine comprises a Larson type profile steel rod portionand a pile sleeve; standard channel steel and open Larson type channel steel of the pile sleeve are welded in a buckling mode, a rotation shaft is arranged on two flange plates of the standard channel steel and rotatably provided with a bottom wrapping steel plate, limiting blocks are welded to the inner surfaces of the flange plates of the standard channel steel, and the bottom wrapping steel plate is provided with triangular convex strips; and the open Larson type channel steel is welded to the bottom end of the rod portion. The pile pulling machine further comprises a main guide pipe and three branched guide pipes, and the bottom end of each branched guide pipe is provided with a spraying port. The method is characterized in that the pile pulling machine sinks to the bottom of a wastepile at a time, the bottom end of the waste pile is wrapped by the bottom wrapping steel plate, and then the waste pile is pulled out at a time. According to the pile pulling machine and the pile pulling method, the construction speed is high, the efficiency is high, the structure is relatively simple, and the manufacturing cost is low.

The invention relates to a wireless tester and testing method for live-line measuring a zinc oxide arrester. The wireless tester comprises a transmitting unit and a receiving unit, wherein the transmitting unit acquires three-phase voltage signals of a power grid, calculates voltage amplitude and phase angle of the power grid, and transmits the voltage amplitude and phase angle information to the receiving unit through a wired or wireless means, the receiving unit acquires full leakage current and receives the voltage amplitude and phase angle information, of the power grid, sent by the transmitting unit, compares the full-leakage current phase angle with the received voltage amplitude of the power grid to obtain the phase difference, and calculates the resistive leakage current of the arrester to determine the performance of the arrester. Three-phase resistive leakage current can be simultaneously and synchronously measured in a short period of time, and the measurement precision is greatly improved.

The invention discloses an explosion test simulation experiment device for an explosion-proof sealing wall. The invention relates to the technical field of explosion-proof sealing wall simulation. Thedevice comprises a coal mine tunnel simulation pipeline and a central controller; the central controller is electrically connected with a computer; the inner side wall of the coal mine tunnel simulation pipeline is a wall surface of a similar material, and a dynamic stress-strain tester I, a pressure sensor I and a temperature sensor I are mounted in the coal mine tunnel simulation pipeline. According to the invention, the problem of testing the mechanical property of an explosion-proof sealing wall under the condition of dynamic load is solved. Except for a mechanical property test, connecting branch pipelines and explosion-proof sealing wall positions can be increased according to the environment of an on-site roadway to simulate complicated roadway explosion conditions on site, a proper explosion-proof sealing wall construction position can be designed, and meanwhile, the safety performance of the existing explosion-proof sealing wall can be evaluated, so that the on-site requirements are met.

The invention discloses a uniform displacement mechanism. The uniform displacement mechanism comprises a cam, a push-pull plate and a stretchable arm, wherein an annular groove is formed in a circle end surface of the cam, and the circle center of the annular groove does not coincide with a rotating shaft of the cam; the push-pull plate is connected with the annular groove through an extending armto perform linear reciprocating motion along with the rotation of the cam, and waist-shaped grooves extending in the direction of the waist-shaped groove are formed in the push-pull plate; the stretchable arm comprises a plurality of connecting rods which are in a Z-shaped hinge joint, and the hinged positions of the connecting rods coincide with two mutually parallel spatial straight lines, wherein each hinge joint of one of the spatial straight lines is provided with a pulley block, the pulley blocks are assembled with the waist-shaped grooves, and the pulley blocks are provided with rolling degree of freedom in the waist-shaped grooves; and a fixed hinge joint is arranged in the hinged positions of the other spatial straight line, the pulley blocks roll inside the waist-shaped groovesalong with the linear reciprocating motion of the push-pull plate, the hinge joints on the two spatial straight lines also move along with the two spatial straight lines, and the distance between theadjacent hinge joints is equal in real-time. The uniform displacement mechanism has the advantages that the equipment cost is low, the distance between the position points is variable, but is equal inreal-time.

The invention provides a multi-data-pool hierarchical migration method and system. The method comprises steps of setting multiple data pools in an original migration strategy, configuring the IDs of the multiple data pools, and enabling the multiple data pools to comprise a hot data pool and a plurality of cold data pools; analyzing the multiple data pools and verifying whether the ID is legal ornot; grading a plurality of cold data pools according to the residual capacity; and selecting a target data pool according to the grading situation, and migrating the data files in the hot data pool to the target data pool. According to the method, the function of multiple data pools migrated by the distributed storage system is used, the data of the hot data pool can be directly migrated to the multiple cold data pools according to the strategy, and that new data and old data are automatically balanced in the multiple data pools is guaranteed.

The invention relates to the field of lighting decoration, in particular to an automatic astigmatic or concentrated light lighting device. The automatic astigmatic or concentrated light lighting device comprises a base plate, a lamp refracting holder, a first-stage refracting frame and a second-stage refracting frame are installed on the base plate, the first-stage refracting frame is directly installed in front of a lamp source port, and the second-stage refracting frame is arranged on the side edge of the first-stage refractor frame. A threaded rod is arranged in an inner cavity of the second-stage refracting frame in an incline shape, refracting plates are installed at the front end of the threaded rod, and the refracting plates are connected with the front end of the threaded rod through a closing shaft bolt. A transmission sleeve is installed on the threaded rod, fixing bolts are installed on the rear sides of the refracting plates, and the transmission sleeve and the fixing boltsare connected through pull rods correspondingly. Through a thread transmission mechanism and a connecting rod transmission mechanism, an angle of refraction is changed, so that the diffusion range oflight is changed, then the concentration or astigmatism of light is adjusted, and the automatic astigmatic or concentrated light lighting device is used for meeting the demand of the field.

The invention discloses a hydrolyzed fish collagen processing process. The process includes steps: removing fish scales and fish skin, draining after clearing, and keeping for standby application; soaking the fish scales and the fish skin in water, and performing sterilization treatment; subjecting the fish scales and the fish skin to enzymolysis, filtering, and removing filter residues to obtainenzymatic hydrolysate; feeding the enzymatic hydrolysate into a molecular weight screening system to obtain collagen solutions graded according to collagen molecular weights; concentrating the collagen solutions, drying, and treating with a magnetic rod to obtain fish collagen. The hydrolyzed fish collagen processing process has advantages that before enzymolysis, the fish scales and the fish skinare subjected to high-temperature sterilization to damage tissues in the fish scales and the fish skin, so that acid and alkali swelling treatment can be avoided, enzyme activity can be guaranteed, and enzymolysis completeness is improved; a fish collagen product is free of fishy smell, low in ash content, simple in production process, low in cost, great in taste, high in water solubility and lowin salt content.

The invention discloses an oil supplement and exhaust device for an oil-immersed current transformer. The oil supplement and exhaust device comprises an oil inlet pipe, an oil pump and an oil outlet pipe, which are sequentially connected with one another; furthermore, a first filter is arranged on the oil inlet pipe; and the oil outlet pipe is sequentially provided with a flow control valve and a second filter along an oil outlet direction. The oil supplement and exhaust device for the oil-immersed current transformer has the beneficial effects that quick oil supplement for a CT can be achieved by the structure; and bubbles injected into oil are effectively reduced.

The invention discloses a equipment pipeline detection and control system based on LabVIEW. The equipment pipeline detection and control system comprises at least one upper computer, wherein the uppercomputer is connected with a controller, a first direct current power supply supplies power to the controller and valves, a second direct current power supply supplies power to pressure gauges, and the valves, thermometers and the pressure gauges are respectively in electrical signal connection with the controller. The system can display, store, query and export various process parameters in realtime, alarm the process parameters exceeding the alarm limit in real time, and does not output the alarm sound in the shielding state; by clicking different buttons, opening and closing of the valvescan be manually or automatically controlled, the whole process flow is guaranteed to be safe and smooth, and meanwhile, flexibility is enhanced; and when the valves are manually or automatically controlled, after the upper computer software receives opening and closing of the valves in place or 8s later, relays controlling the valves are released, motors of the valves are powered off, the safetyof the valves themselves can be protected, and the motors are prevented from being burnt out.

The invention discloses a centrifugal front-mounted degassing pump and degassing process flow experimental equipment. The centrifugal front-mounted degassing pump comprises a suction head, an exhaust pipe mounted on the suction head, and a front bearing bracket, a shell, a rear bearing bracket and a water pump connecting piece which are sequentially mounted below the suction head, a fluid inlet is formed in the front end of the suction head; a rotating hub head, a rotating hub, a rotating hub tail and a tail end rotating shaft are further sequentially installed in the shell. The degassing technological process experimental equipment comprises a pressure pump, and a dissolving tank, a funnel, an air compressor, a front degassing pump, a second vacuum pump, a centrifugal pump and a curing tank which are sequentially connected with the pressure pump; the front degassing pump is connected to the bottom of the dissolving tank; air enters the pipeline after being compressed by the air compressor, is mixed with the medicine powder at the funnel and carries the medicine powder to enter the dissolving tank; water is mixed with air carrying medicine powder in the dissolving tank after being pressurized by the pressure pump. According to the invention, secondary degassing is realized, and the stability is improved; after curing, a required mixed solution is obtained.

The invention discloses a same-plate-difference roll shifting feedforward static control method which is used for a five-rack tandem cold rolling mill, and a convexity meter is arranged at an inlet of a rolling mill unit and used for detecting the convexity value of hot-rolled incoming strip steel; when a weld joint reaches a convexity instrument, the convexity instrument feeds back a measured value of the convexity of the head of an incoming material to a unit process control computer, meanwhile, the convexity deviation of the head of the strip steel is calculated according to historical information of the convexity of the head of the strip steel with the specification, and working roll shifting compensation values of 1 # to 3 # racks are determined and conditionally output; according to the method, the same-plate-difference roll shifting feedforward static control technology meeting the requirement of a user for the same-plate-difference level is adopted based on cold continuous rolling unit inlet convexity instrument section detection, the roll shifting calculated value of each rack is subjected to real-time feedforward control, and the same-plate-difference control level of the cold-rolled strip steel is improved. The method can be applied to various multi-rack cold continuous rolling mill systems with different same plate difference control capability levels, so that the method can be widely applied to a cold rolling unit which adopts working roll shifting to carry out same plate difference control and is provided with a convexity meter in front of a rolling mill at present.

The embodiment of the invention provides an air broadcast alarm system which comprises a sound obtaining device which is used for obtaining an audio signal; an audio processing device which is connected with the sound acquisition device, wherein the audio processing device is used for carrying out audio processing on the audio signal to obtain a to-be-amplified audio signal; a power amplificationcircuit which is connected with the audio processing device, wherein the power amplification circuit is used for amplifying the to-be-amplified audio signal to obtain a to-be-played audio signal; a energy converter which is connected with the power amplification circuit, wherein the energy converter is used for playing an audio signal to be played; an electromagnetic compatibility filter which isconnected with the power amplification circuit, wherein the electromagnetic compatibility filter is used for suppressing interference electromagnetic signals generated in the operation process of theaircraft. By means of the technical scheme, the sound pressure level can be greatly increased, and therefore the on-site requirement can be met.

The invention is a communicator-free DC machine, relating to the electric machine field, and it comprises stator, rotor, coils, bearings, rotating shaft, and machine end cover; its rotating magnetic field is in parallel with its rotating shaft, and it uses at most two excitation coils and has only one pair of magnetic poles, i.e N pole and S pole and does not use any communicator; the rotor of an inner rotor DC machine is a low and thick, solid, circular rotor contained by two stators; the rotor of an outer rotor DC machine is a low and thick, solid, circular rotor placed between two stators. And this machine consumes few materials, easy to make, has good ventilating and heat radiating effects, high operating efficiency and low failure ratio, simple and convenient to maintain, and able to meet requirements of application fields in large range.

The invention discloses outdoor lighting equipment convenient to clean and install. The equipment comprises a bottom plate, and a mounting box is fixed to one side of the upper end of the bottom plate. A lifting mechanism is arranged in the mounting box, a bearing box is arranged on the lifting mechanism, three first openings are formed in each of the two sides of the bearing box from top to bottom, rotating plates are rotatably connected into the first openings, every two rotating plates in the same horizontal plane form a set, and two first U-shaped rods are fixed to one side of the upper end of each of the two sets of rotating plates located at the lower end. According to the invention, an LED lamp can be conveniently and rapidly mounted and dismounted, therefore, a worker can conveniently clean and overhaul the lamp, the normal use can be well ensured, andthe effect of outdoor lighting can be well ensured; the LED lamp can be effectively protected, the position and the height of the LED lamp can be rapidly adjusted, then it can be well guaranteed that the on-site requirement can be met during outdoor lighting, and the service life of the LED lamp can be effectively prolonged.

The invention discloses a longitudinal pipe retreating type template grouting rotating device with a tunnel secondary lining separation prevention function, and relates to the technical field of tunnel secondary lining arch portion template grouting. For solving the problems that during secondary lining pouring, concrete can be solidified along with time prolonging, a grouting pipe prefabricated on the arch top is firmly bonded, and during grouting backfilling, the grouting pipe cannot be drawn out, and the device comprises a rotating mechanism and a clamping mechanism. A rotating part of therotating mechanism is fixedly connected with the clamping mechanism, when the rotating part of the rotating mechanism rotates, the clamping mechanism can be driven to rotate, the rotating mechanism isof a hollow structure, the grouting pipe can be arranged in the rotating mechanism and the clamping mechanism in a penetrating manner, and is clamped by the clamping mechanism, the design is reasonable, the structure is ingenious, operation is convenient, assembling and overhauling are facilitated, rotation of the grouting pipe can be quite conveniently achieved, due to hydraulic control, clamping force and rotating torsion are very large, site needs can be enough met, and in addition, the structure cannot affect pipeline winding due to rotation of a clamping cylinder.

The invention discloses a programmable oil well mouth controller and a control method thereof. The well mouth controller comprises a processor, a data storage device, a program storage device, a data communication interface, an RS485 bus communication interface, a ZIGBEE wireless interface, an analog quantity signal input circuit, a switching value signal input and output circuit, a voice controller and an audio power amplifier. The data storage device and the program storage device are used for data interaction, program downloading and debugging. The data communication interface is used for data transmission. The RS485 bus communication interface is used for being in communication with a frequency converter and an intelligent electric quantity instrument unit. The ZIGBEE wireless interface is used for being in communication with a well site controller. The analog quantity signal input circuit collects load and walking beam angle data. The switching value signal input circuit is used for detecting whether a cabinet door is closed or not. The switching value signal output circuit is used for controlling a contactor. The voice controller is used for playing prompt voice. The programmable oil well mouth controller is high in reliability and convenient to expand, remote data collection and control can be achieved, and the requirement for personnel safety is met.

The invention discloses a compound sensor for measuring appearance of nanometer by using holographic laser, and belongs to the technical field of nanometer appearance measurement. The compound sensor comprises a holographic laser reading head 1, a holographic laser reading head 2, an optical module, a microscopy optical lens, a measurement sample, an electric measurement system, a camcorder (CCD)and a monitoring system, wherein the optical module used for filtering, aligning and splitting lights comprises an optical lens set 1, an optical lens set 2, an adjusting lens 1, an adjusting lens 2,an adjusting lens 3, a splitting lens 1 and a splitting lens 2. The compound sensor has a simple structure and key parts are low in cost. A holographic laser element is taken as the core, and the design structure for the sensor is proposed; by combining improvement on measurement range and maintenance of measurement precision, the sensor can be effectively matched with the measurement system to improve automatic control level for measurement of the system. Moreover, the sensor with video monitoring function can meet the requirements of several fields.

The invention discloses a double-roller oblique-rolled steel tube oblique defect magnetic leakage detection device which is composed of a mounting bottom plate (1), a front supporting plate (2), a back supporting plate (3), an oblique magnetizing coil (4), an oblique magnetic gathering loop unit (5), a fixed guide rail (6), an oblique detection tray (7), a probe supporting and adjusting unit (8) and an oblique probe (9). The device is characterized in that the width of the mounting joint face between the probe supporting and adjusting unit (8) and the oblique probe (9) is doubled, and the oblique probe (9) wafer adopts angular mounting. The oblique detection tray (7) can replace the oblique probe (9) at specific angle according to the natural defects of different external diameters. According to the detection method, the oblique probe at specific angle is mounted through the oblique detection host machine platform, so that the oblique probe angle is consistent with the defect angle; and thus, the oblique defects can be effectively detected, thereby greatly enhancing the detectability of the flaw detection equipment and satisfying the field demands.