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625results about How to "Reduce the difficulty of homework" patented technology

Oil tank cleaning robot

The invention discloses an oil tank cleaning robot. The robot comprises a robot body, a walking unit, a cleaning unit, a control unit, a sensing communication unit and a power supply unit, wherein the robot body comprises a base plate, a lower casing and an upper casing, the walking unit comprises three driving wheels and three driving wheel hydraulic motors, the cleaning unit comprises a cleaning device and a self-excitation pulse device, the cleaning device comprises three cleaning disk brushes and three cleaning disk brush hydraulic motors, the self-excitation pulse device comprises a pulse device hydraulic motor, a retractable beam assembly and a self-excitation oscillating pulse nozzle, the control unit is composed of a remote control portion and a robot body control portion, and the sensing communication unit comprises a pressure sensor, a temperature sensor, an infrared sensor, an ultrasonic sensor, a horizontal attitude sensor, a turbidity sensor, a camera and an oil-gas concentration monitor. The robot is novel in design, high in intelligent degree, high in working reliability, good in safety performance, energy-saving, environment-friendly, high in practicability, high in popularization and application value and capable of achieving omni-directional cleaning.
Owner:周利坤

Oil sludge cleaning and processing system for oil tank

The invention discloses an oil sludge cleaning and processing system for an oil tank. The oil sludge cleaning and processing system comprises a cleaning system, an oil sludge processing system and an integrated control system, wherein the cleaning system comprises a cleaning robot, an electric hydraulic pump, a water pump, an inert gas storage tank and a screw pump; the cleaning robot comprises a machine body, a traveling unit, a cleaning unit, a robot cleaning control unit, a sensing and communication unit and a robot power supply unit; the oil sludge processing system comprises an oil sludge processing device, an oil sludge processing control system and an oil sludge processing power supply device; the oil sludge processing device comprises a stirring machine, an ultrasonic emulsion breaking device, a centrifuge and an ultrafiltration system, as well as an oil sludge storage pool, a sludge pool, a centrifugal liquid storage tank, a concentration tank and a filtrate pool; a funnel is arranged on the stirring machine; and the integrated control system comprises an integrated control computer and a communication circuit module. The oil sludge cleaning and processing system disclosed by the invention has the advantages of reasonable design and high degree of intelligentization, and can realize comprehensive cleaning of the oil tank, good safety, fast oil sludge processing speed and resource utilization of oil sludge, and further reduce environmental pollution and waste of resources.
Owner:周利坤

Method for pairing and lengthening steel cylinders

The invention relates to a method for pairing cylinders, in particular to a method for pairing steel cylinders. The invention solves the technical problems of large working difficulty, low efficiency, high cost, poor safety, removal of curve ruler bend and smoothening of welding spots after the pairing is finished, and the like. In order to solve the technical problems, the invention adopts the technical scheme that the method comprises the following steps: by using a driving roller rack (5) and a driven roller rack (6) as a support body and a rotating power source of a paired cylinder section (or first cylinder section) (1), pairing special roller racks (3, 4) as a support body of a cylinder section to be paired; adjusting a staggered joint between cylinder section connectors and straightness of a bus by adjusting the positions of rollers of the paired special roller racks; and when the clearance, alignment tolerance, flatness and the like of the connectors are adjusted to accord with the requirement, tack-welding the connectors, and later finishing the back sealing weld of the connectors so as to finish a pairing process of one cylinder section. The structure of the steel cylinders is shown as the picture.
Owner:CHINA MCC 2 GRP CO LTD

Swimming-walking hybrid bionic blade leg and track combined walking underwater robot and control method thereof

The invention puts forwards a swimming-walking hybrid bionic blade leg and track combined walking underwater robot and a control method of the swimming-walking hybrid bionic blade leg and track combined walking underwater robot. The swimming-walking hybrid bionic blade leg and track combined walking underwater robot comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a motion component, a sensing detection component, a visual positioning device and an operation extension module; the floating body module, the hanging bracket, the control sealed cabin, the motion component, the sensing detection component, the visual positioning device and the operation extension module are all mounted on the frame, and the gravity center of the underwater operation robot is located right under the buoyancy center. By adopting the invention, the underwater operation robot can adapt to operation demands for working faces of different categories and different attitudes, and further can adapt to the demands on omnidirectional mobility and obstacle climbing abilities on the different working faces, thereby being capable of providing technical support to various underwater operation tasks completed by the underwater operation robot.
Owner:RES & DEV INST OF NORTHWESTERN POLYTECHNICAL UNIV IN SHENZHEN +1

Insulator cleaning robot

The invention discloses an insulator cleaning robot. The insulator cleaning robot comprises a crawling mechanism, a cleaning mechanism, a locking mechanism, a detection mechanism and a battery control system, wherein the crawling mechanism is of a closed circumferential structure, surrounds an insulator string and drives a robot body to continuously move along the insulator string; the cleaning mechanism is of a closed circumferential structure and surrounds the insulator string; the locking mechanism is evenly arranged on the crawling mechanism, and the crawling mechanism is connected with the cleaning mechanism through the locking mechanism; the detection mechanism is arranged on one side of the locking mechanism, and the battery control system is installed on the crawling mechanism. The insulator cleaning robot is simple in structure; due to the overall symmetrical structure, the stability of the robot is good; as the continuous type movement mode is adopted, the movement speed is high, the cleaning mode is simple, the cleaning speed is high, abrasion to coatings of insulators is small, locking is reliable, an adjustment mechanism can be suitable for insulator strings different in structural height and disc diameter, and electrification insulator string cleaning operation and insulator sheet quality detection can be carried out.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Passenger train framework side frame welding positioning tooling

The invention provides a passenger train framework side frame welding positioning tooling, and belongs to the field of bogie welding of railway vehicles. The tooling includes a base, two cap tube centering mechanisms, two cap tube compacting mechanisms, two inclined plane stud positioning mechanisms, two vertical plate compacting mechanisms, three plane stud positioning mechanisms, two transversebar positioning mechanisms, a plurality of lower cover plate compacting mechanisms, two vertical plate lateral jacking mechanisms, four reference positioning blocks, a lower cover plate positioning block pressing pincer and a lower cover plate positioning block. According to the invention, the work load of the welding procedure of a side frame lower cover plate assembly is simplified, the operation difficulty in vertical plane calibration and deformation after welding is directly reduced, the overall working efficiency is improved; and the calibration mapping required for positioning adjustment is reduced, so that the labor intensity is reduced, the precision in assembly positioning is improved, and the production efficiency is improved.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Soil in-situ repairing agent used for synchronous treating heavy metal pollution and organic pollution

ActiveCN104327859AAchieving the goal of in-situ remediation of pollutionEfficient curingAgriculture tools and machinesContaminated soil reclamationAluminium saltsOxide
The invention relates to a soil in-situ repairing agent used for synchronous treating heavy metal pollution and organic pollution. The soil in-situ repairing agent includes a mixture A and a mixture B, wherein the mixture A comprises following components, by mass, 100 parts of Hangjin 2# soil, 10-30 parts of activated charcoal, 20-50 parts of cement and 2-5 parts of an organic flocculant; and the mixture B comprises at least three of following components, by mass, 16-32 parts of sodium thiosulfate, 16-32 parts of ferric oxide, 48-96 parts of calcium sulfate, 32-80 parts of aluminum sulfate and 16-32 parts of an alkali metal carbonate. The soil in-situ repairing agent can eliminate bio-availability from heavy metals, such as cadmium, chromium, mercury, lead, arsenic, nickel, zinc, copper, manganese and vanadium. Meanwhile, the soil in-situ repairing agent can degrade and adsorbingly remove organic pollutant in soil and can enable soil after being repaired is stable in aggregate. The soil in-situ repairing agent allows soil to have strong water-retaining property, breathability and water permeability.
Owner:佑景天(北京)国际水环境研究中心有限公司

Circular-disc-shaped underwater glider and working method thereof

The invention discloses a circular-disc-shaped underwater glider and a working method thereof. The glider comprises a circular-disc-shaped shell, a pressure-resisting shell, a control system, a communication navigation system, a driving system, a sensor system, an energy source system and an external port. The circular-disc-shaped shell made of a buoyancy material covers the pressure-resisting shell and greater buoyancy is provided for the circular-disc-shaped underwater glider, so that effective load is improved. The pressure-resisting shell structure design scheme combining the pressure-resisting shell and a pressure-resisting hollow ring is adopted so that the utilization rate of the inner space of the circular-disc-shaped underwater glider is improved; meanwhile, the quantity of sealing nodes of internal equipment is greatly reduced, more equipment is prevented from being exposed in a deep sea complicated underwater environment, and thus the whole reliability is improved. A gravity center adjusting system is arranged in the pressure-resisting hollow ring, and a force arm and a moment, generated by a slide block, are relatively great; and the posture control efficiency is improved and the inner space of the circular-disc-shaped underwater glider is sufficiently utilized.
Owner:DALIAN MARITIME UNIVERSITY

Method for mounting submerged buoy in ultra-deep water

ActiveCN103395476ALow costAvoid increased working hoursAnchoring arrangementsOcean bottomMooring system
The invention discloses a method for mounting a submerged buoy in ultra-deep water. The method comprises the steps of preparation work, mooring system mounting, location and sinking of the buoy, connection between the mooring system and the buoy, and regulation of length of an anchor leg. The invention discloses the feasible scheme for mounting the submerged buoy in the ultra-deep water, an auxiliary anchor chain is not used for controlling the movement of the buoy, but a ballast system is used for controlling the buoy to stably sink, as a result, that the cost and man-hour are increased due to the use of the auxiliary anchor chain, is avoided. According to the method disclosed by the invention, the mooring system is connected with the buoy by matching lifting hooks and ring-shaped buckles, operation difficulty is lowered, the lifting hooks and the ring-shaped buckles are operated in a water depth approaching the submergence depth of the buoy, and the method is easier to operate compared with technology realizing connection on seabed. During the whole mounting process, the working area of remote operated vehicles is not deeper than the submergence depth of the buoy, so that the problems in the prior art of the pressure resistance and safety of the remote operated vehicles working under the sea level are avoided.
Owner:DALIAN UNIV OF TECH

Online concentration monitoring system for gases in cable tunnel based on optical fiber sensing

The invention relates to an online concentration monitoring system for gases in a cable tunnel based on optical fiber sensing. The system comprise a tunable laser, a circulator, 1*N photoswitches, an optical cable, sensor probes, a photoelectric detector, and a control module. An output end of the tunable laser is connected with an input end of the circulator. An output end of the circulator is connected with an input end of each of the 1*N photoswitches. Each of the 1*N photoswitches is connected with one sensor probe through a single-core single-mode optical fiber. Another output end of the circulator is connected with an input end of the photoelectric detector, and an output end of the photoelectric detector is connected with a corresponding input end of the control module. Two output ends of the control module are connected with the tunable laser and the corresponding input end of the 1*N photoswitches. The system has the advantages that the passive sensor probes are adaptive to multiple gases, potential safety hazards caused by power supply equipment are avoided, the probes are distributed along the cable, the coverage is wide, calibration can be performed in a machine room, and the troubles of field calibration are omitted.
Owner:SHIJIAZHUANG POWER SUPPLY +2

Railway vehicle fault vehicle-mounted acoustic detection system and method

The invention belongs to the field of rail transit tool safety detection, and provides a railway vehicle fault vehicle-mounted acoustic detection system and a detection method. According to the technical scheme of the invention, the system and the method solve the problems in the prior art that the existing manual detection is difficult in operation and low in accuracy and a dynamic detection system installed on the ground is poor in detection real-time performance. A sound obtaining unit is used for obtaining an original sound signal. A signal processing unit is used for carrying out the filtering treatment and the data separation treatment on the original sound signal. A feature extraction unit is used for carrying out the feature extraction on the processed sound signal. A comparison unit is used for performing the time-domain and frequency-domain analysis on the extracted feature to obtain a characteristic value matrix of the sound signal. The characteristic value matrix is compared with a sound characteristic database without a fault standard. During the comparison process, based on the domain and frequency domain combination method, whether a fault exists or not, and the existence degree of the fault are judged in the time domain firstly. Secondly, the comparison is further performed in the frequency domain to obtain a corresponding fault diagnosis result. Therefore, the system and the method are used for the fault detection of various rail vehicles.
Owner:HARBIN KEJIA GENERAL MECHANICAL & ELECTRICAL CO LTD

Longspan bridge erecting apparatus and erecting method thereof

The long span bridge erecting apparatus and process belongs to the field of traffic technology, and is especially suitable for constructing military long span bridge in wartime. The long span bridge erecting apparatus consists of chassis, arm folding crane, erecting platform, leading-in girder unit, leading-in girder sheath, movable stand, chassis frame and bridge section. The long span bridge erecting apparatus has lowered erecting height, convenient transportation, composite structure and high reliability. The present invention has short construction period, low operation plane and relatively simple construction and other advantages.
Owner:邹煜 +7

Reservoir stratum transformation method for cleaning steering material blocking shot hole temporarily to form fracture net

The invention provides a reservoir stratum transformation method for cleaning steering material blocking a shot hole temporarily to form a fracture net. The reservoir stratum transformation method for the cleaning steering material blocking the shot hole temporarily to form the fracture net comprises the following steps that 1 fracturing fluid is injected into stratum; 2 active fluid is injected into the stratum; 3 acid liquor or the fracturing fluid is injected into the stratum; 4 carrying fluid containing with cleaning steering material fluid is injected into the stratum, and an artificial fracture fractured in the step 1 is blocked temporarily; 5 the carrying fluid containing with the cleaning steering material fluid is injected into the stratum, and the shot hole corresponding to the artificial fracture fractured in the step 1 is blocked temporarily; 6 the acid liquor or the fracturing fluid is injected into the stratum; 7 when deep transformation is needed, the steps 3 to 6 are repeated; 8 the fracturing fluid is used for replacing to achieve section fracture net transformation of the reservoir stratum. The reservoir stratum transformation method for the cleaning steering material blocking the shot hole temporarily to form the fracture net has the advantages that the section fracture net transformation can be achieved without a tool, the complexity degree of an underground tool is reduced, the engineering risk is reduced, the working difficulty is reduced, the working period is shortened, and the cost is reduced.
Owner:CHINA UNIV OF PETROLEUM (BEIJING) +2

Swimming and walking combined underwater operation robot and control method thereof

InactiveCN107097238ACapable of sailingAble to walkProgramme-controlled manipulatorVehiclesMarine engineeringGravity center
The invention discloses a swimming and walking combined underwater operation robot and a control method thereof. The robot comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a moving component, a sensing and probing component, a vision localization device and an operation extension module, wherein the floating body module, the hanging bracket, the control sealed cabin, the moving component, the sensing and probing component, the vision localization device and the operation extension module are mounted on the frame; and the gravity center of the robot is positioned below a buoyant center. The swimming and walking combined underwater operation robot can be adapted to the operation demands of different types and different postures of working faces and can also adapted to the demands of omnibearing maneuvering and obstacle crossing ability on different working faces, thus the walking capacity, on the working faces, of the underwater operation robot is improved, and the underwater operation robot can be adapted to the demands of more application sites.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Swimming and travelling hybrid bionic cutter point leg and all-directional wheel combined underwater operation robot and control method thereof

The invention provides a swimming and travelling hybrid bionic cutter point leg and all-directional wheel combined underwater operation robot which comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a movement assembly, a sensing detection assembly, a visual positioning device and an operation expansion module. The floating body module, the hanging bracket, the control sealed cabin, the movement assembly, the sensing detection module, the visual positioning device and the operation expansion module are all mounted on the frame, and the gravity center of the underground operation robot is located under the buoyancy center. By adoption of the swimming and travelling hybrid bionic cutter point leg and all-directional wheel combined underwater operation robot, the underwater operation robot can adapt to the operation requirements of working faces of different categories and different postures and the requirements of all-directional maneuvering and the obstacle crossing ability on the different working faces, and therefore technical support is provided for the underwater operation robot to complete all kinds of underwater operation tasks.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1

Multifunctional lifting device for vehicle and usage method

The invention relates to a multifunctional lifting device for a vehicle. The multifunctional lifting device mainly comprises a guide rail support, a support mechanism and driving cylinders, wherein the guide rail support mainly comprises a first support arm and a second support arm, and a first guide rail and a second guide rail are arranged on the first support arm and the second support arm respectively; the support mechanism mainly comprises a sliding block device and a telescopic cylinder, and the sliding block device is arranged in a groove structure of the first guide rail or a groove structure of the second guide rail and can slide in the groove structure in the extension direction of the guide rail; the driving cylinders are fixedly mounted at two ends of the groove structure of the first guide rail and two ends of the groove structure of the second guide rail. With the adoption of the multifunctional lifting device for the vehicle, quick translational motion of the motor vehicle in the lateral direction can be realized, the road space requirement of the motor vehicle during lateral parking is reduced, meanwhile, the operation difficulty of the motor vehicle during lateral parking is reduced, and scratching accidents caused by the motor vehicle during lateral parking are effectively avoided.
Owner:周坤

Insulator cleaning robot system

The invention discloses an insulator cleaning robot system. The insulator cleaning robot system comprises a crawling mechanism, a cleaning mechanism, a locking mechanism, a detection mechanism and a battery control system, wherein the crawling mechanism is of a closed circumferential structure, surrounds an insulator string and drives a robot body to continuously move along the insulator string; the cleaning mechanism is of a closed circumferential structure and surrounds the insulator string; the locking mechanism is evenly arranged on the crawling mechanism, and the crawling mechanism is connected with the cleaning mechanism through the locking mechanism; the detection mechanism is arranged on one side of the locking mechanism, and the battery control system is installed on the crawling mechanism. The insulator cleaning robot system is simple in structure; due to the overall symmetrical structure, the stability of the robot is good; as the continuous type movement mode is adopted, the movement speed is high, the cleaning mode is simple, the cleaning speed is high, abrasion to coatings of insulators is small, locking is reliable, an adjustment mechanism can be suitable for insulator strings different in structural height and disc diameter, and electrification insulator string cleaning operation and insulator sheet quality detection can be carried out.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Automatic leveling tripod

The invention provides an automatic leveling tripod. The automatic leveling tripod consists of retractable outriggers, a balance weight cylinder, balance weight bodies, a connecting frame, an instrument connecting bolt, an annular thread disc, a bearing, a fixture block, an instrument level tray, a short connecting rod and a handle. When the automatic leveling tripod is put up, the handle is pulled clockwise to loosen the fixture block; because the balance weight bodies are uniformly distributed in the balance weight cylinder and integrated with the connecting frame having a spherical structure to form an axisymmetric piece, and the centre of gravity is lower than that of the supporting bearing, the upper surface of the instrument tray is automatically leveled under the action of gravity; the handle is pulled anticlockwise to make the fixture block advance inward under the action of the annular screw disc, so that the instrument tray is locked; and the instrument can perform measurement by fine tuning after being arranged. The automatic leveling tripod has the advantages of improving working efficiency and reducing operational difficulty for staff.
Owner:CHINA MCC 2 GRP CO LTD

Laying process of subsea pipeline crossing floating production and storage device system

ActiveCN102269296AWill not affect normal production operationsSimple processPipe laying and repairOcean bottomSubmarine pipeline
The invention provides a laying process for a submarine pipeline traversing floating type production oil-storing device system. The laying process comprising the following steps: installing a starting anchor, laying a starting cable, laying a traversing part pipeline, a traversing part drag-traversing floating type production oil-storing device system, a traversing part pipeline tension test and laying a submarine pipeline; and the laying process is adopted to realize the submarine pipeline laying task of the traversing floating type production oil-storing device system without influencing the normal production of the floating type production oil-storing system, thus being convenient in the submarine pipeline laying task.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Gentle dip super-high seam rock cross-cut coal uncovering method

The invention discloses a gentle dip super-high seam rock cross-cut coal uncovering method, and is particularly suitable for protruded risk coal seam with small dip angle and large thickness of underground coal mine. When the rock cross cut is tunneled to be the vertical distance of 12 m relative to the coal seam, an inclined rock cross cut is dug on the right side of the rock cross cut; when the inclined rock cross cut is tunneled to be the vertical distance of 7 m relative to the coal seam, a coal bottom road is dug head-on on the inclined rock cross cut; the coal bottom road is parallel to the rock cross cut and tipsily dug along the coal seam. A plurality of drill sites are uniformly arranged in the coal bottom road which is completed; holes are drilled from the drill sites to the coal seam construction hydraulic cutting slot to pre-extract the coal seam gas; when the gas is extracted to reach the standard, the rock cross cut is recovered to tunnel in the original direction; the coal seam is penetrated to enter 2 m of roof, so that the coal uncovering work is completed. By construction of the coal bottom road, the gentle dip long drill holes which restrain the coal uncovering speed are transformed to the coal bottom layer-crossing drill holes, so that the bottleneck problem that the gentle dip super high seam is slow to uncover is solved, safe and quick coal uncovering is realized, and the method can be widely applied.
Owner:CHINA UNIV OF MINING & TECH

Installation device for O-shaped seal ring

ActiveCN106553054AReduce the difficulty and intensity of workers' workImprove work efficiencyMetal working apparatusHookingMechanical engineering
The invention provides an installation device for an O-shaped seal ring. The installation device for the O-shaped seal ring mainly comprises a plurality of ring hooking pieces, a radial drive mechanism and a plurality of extendable ejector rods. The multiple ring hooking pieces are evenly distributed around the same center axis, the ends, close to the center axis, of the ring hooking pieces are provided with hook columns, the multiple hook columns are parallel to the center axis, and the outer side faces of the hook columns are used for arranging the seal ring to be expanded in a sleeving manner; the radial drive mechanism can drive all the ring hooking pieces to keep away from the center axis in the radial direction at the same time, and a space for installing a workpiece is formed on the inner sides of the multiple ring hooking pieces; and the multiple extendable ejector rods are arranged on the periphery of the center axis in a parallel manner, each ejector rod corresponds to the gap between the two adjacent hook columns, and the multiple ejector rods carry out upward ejecting at the same time and can push the seal ring away from the hook columns so that the seal ring can be arranged on the workpiece in a sleeving manner. The installation device for the O-shaped seal ring can achieve automatic installation of the seal ring, the operation difficulty and intensity of workers are lowered, the working efficiency can be improved, and the installation quality is stable and consistent.
Owner:上海飞乐汽车控制系统有限公司

Extended type multi-platform railway tunnel operation trolley

Provided is an extended type multi-platform railway tunnel operation trolley. According to the extended type multi-platform railway tunnel operation trolley, an existing rail flat car is used as a carrier; when the trolley is in a transportation state, all platforms are retracted and do not exceed the railway transportation boundary; when the trolley arrives at a work position, the operation platforms at all levels can be unfolded rapidly, all portions of a tunnel section can be completely covered with multiple working surfaces, and the multi-level expanded platforms can be adapted to various tunnel sections. The reasonable rack structure is achieved so that various types of mechanical equipment and materials can be placed, more synchronous operation platforms can be provided, and operation efficiency is improved; the multi-level expanded platforms can achieve operation close to the wall of a tunnel and can achieve operation on arch portions particularly, operation difficulty can be lowered greatly, work efficiency and construction safety can be improved greatly, labor intensity is reduced, cost is saved, and efficient construction for overcoming railway tunnel defects is completed.
Owner:中铁西南科学研究院有限公司

Intelligent water cup and method for automatically measuring volume of drinking water

The invention discloses an intelligent water cup and a method for automatically measuring a volume of drinking water. Main points of a technical scheme are that the intelligent water cup comprises a cup body, wherein an intelligent computing system is arranged at a lower part of the cup body; the intelligent computing system comprises a three-axis acceleration sensor for continuously measuring an inclination angle of the cup body and outputting information, and a central mechanism for receiving the outputted information; an outputting mechanism for receiving an output signal of the central mechanism is arranged beside the central mechanism. The invention provides the intelligent water cup for automatically measuring the volume of drinking water, which only uses one three-axis acceleration sensor to accurately measure the volume of drinking water of a user, and has advantages of simple structure and accurate data. The invention further provides a method for automatically measuring the volume of drinking water.
Owner:广东万事达智能科技有限公司

Earthing lines of power transmission lines overhauling and hooking method thereof

The invention provides earthing lines of power transmission lines overhauling and a hooking method thereof, and the earthing line comprises a wire end clip capable of hooking and dismantling with a power transmission line, an earth terminal fixed clamp capable of being fixedly connected with an earth terminal and an earth short-circuit line for connecting the wire end clip and the earth terminal fixed clamp. The wire end clip is also connected with an insulating rope for performing the operation of hooking and dismantling the wire end clip, a GPS information transceiver is arranged on the earth terminal fixed clamp, and the wire end clip is also provided with a reversed hook and a magnet sheet. The invention can realize GPS precise location for power transmission line overhauling positions, avoid easily-generated risks of malposition caused by false hooking and dismantling and the process of hanging earthing lines by maintenance personnel, lower work difficulty and be widely used in overhauling earthing protection of high-voltage power transmission line.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Handheld medicine spraying device for ear-nose-throat department

The invention discloses a handheld medicine spraying device for the ear-nose-throat department. The handheld medicine spraying device for the ear-nose-throat department comprises a liquid storage cylinder and a bottle body, wherein a minitype annular heater is arranged at the bottom of the inner side of the bottle body, an air bag is embedded in the position, corresponding to a corrugated groove, of the middle of the right side of the bottle body, a pressurizing pipe is arranged at the top end of the air bag in a communicated mode, a sealing cover is connected to the bottle mouth of the bottle body in a sealing mode through threads, a liquid guiding pipe is vertically arranged in the middle of the sealing cover, the liquid storage cylinder is fixed to the top end of the liquid guiding pipe in a communicated mode and is located at the upper side of the sealing cover, a medicine spraying pipe is horizontally arranged in the middle of the right end of the liquid storage cylinder in a communicated mode, and a spray head is arranged at the right end of the medicine spraying pipe. The handheld medicine spraying device for the ear-nose-throat department is stable in structure, easy to operate, high in adaptability and capable of reducing the workload of doctors and improving medicine spraying efficiency.
Owner:施婷婷

Wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture

The invention provides a wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture. The wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture comprises a baseboard, wherein the baseboard is placed on a sickbed or an operating table surface through supporting legs fixedly installed at four corners of a bottom surface, first through grooves are longitudinally formed in two sides of the top surface of the baseboard respectively, an arch support is arranged above the baseboard, the arch support arches up, and two ends of the arch support slidinglymatch the corresponding first through grooves through sliding block guide rail structures respectively. According to the wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture, through an ingenious linkage structure, a doctor can complete operation of moving and locking the ultrasonic probe and supplementing coupling liquid only with one hand, and the doctor can take onehand off the ultrasonic probe at any time to focus on a puncture task or to complete other operation in the premise of enabling the position of the ultrasonic probe to be unchanged and the other handto always hold puncture equipment, so that the task difficulty and the physical burden of the doctor are greatly reduced.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV

Magneto-elastic cable tension measurement method and reconfigurable magneto-elastic cable tension sensor thereof

The invention discloses a magneto-elastic cable tension measurement method and a reconfigurable magneto-elastic cable tension sensor thereof. The method comprises steps: a steel cable is magnetized; stress changes of the steel cable are monitored; and a real-time cable tension value of the steel cable is acquired. When the above method is used for monitoring the cable tension of the steel cable, one-time magnetization can be carried out on the steel cable, induction electrical signals are acquired in multiple directions, and thus, reliability of the monitored data can be improved. According to the reconfigurable magneto-elastic cable tension sensor, the main body unit comprises a shell, a first signal output joint, a second signal output joint, a signal input joint, a magnetic yoke, a positioning plate, an excitation wire and induction coils, wherein the excitation wire is wound on a groove body structure; the induction coils are arranged on the inner side surface of the positioning plate and arranged coaxially with the magnetic yoke; and the joint is connected with the coil. Two main body units are in butt joint. As the excitation coil and the induction coil do not need to be wound in the field, consistency of the wound coils can be ensured, measurement result accuracy is ensured, the work difficulty is reduced, and the workload is reduced.
Owner:NANCHANG HANGKONG UNIVERSITY

Detection device and method for detecting positional precision of connecting rod side surface and cover base surface

The invention discloses a detection device and a detection method for detecting positional precision of a connecting rod side surface and a cover base surface. The detection device comprises a detecting station, a small-end positioning assembly, a large-end positioning assembly, a movable measuring base and a standard block. According to the detection device and the detection method for detectingpositional precision of the connecting rod side surface and the cover base surface, a reference reading of a detection gauge is obtained by means of the standard block, the measuring gauge is installed on the movable measuring base, the movable measuring base enables the measuring gauge to obtain actually measured readings of the detected connecting rod side surface and the detected cover base surface when the measuring gauge moves to a designated position, and a deviation value of the connecting rod side surface and the cover base surface can be obtained through calculating a difference valuebetween the actually measured reading of each position and the reference reading, the operation is simple, rapid detection of positional precision of the connecting rod side surface and the cover base surface is realized, the detection efficiency is improved, the operation difficulty is reduced for the tester, and the outflow of defective products can be prevented.
Owner:QINGLING MOTORS GRP +1

Welding process of plug-in unit of PCB (Printed Circuit Board)

The invention relates to the technical field of welding of a PCB (Printed Circuit Board), and provides a welding process of a plug-in unit of the PCB, which can effectively improve the production efficiency, improves the production quality, reduces the production loss and cost, and reduces the operation difficulty and human errors. The process comprises the following steps of: (1) trimming supporting legs of components: trimming the supporting legs of the components into union and formal specification; (2) inserting the components: respectively the components processed in step (1) into corresponding welding pads of the PCB on a tray of a wave soldering machine; (3) viewing and pressing the components: performing visual inspection to confirm that the components are correctly inserted, and then pressing the components on the PCB; (4) performing wave soldering welding: performing welding operation on the PCB by the wave soldering machine; (5) taking out the PCB: taking out the PCB from the tray of the wave soldering machine; (6) detection: detecting the welding quality of the PCB, if the welding quality is qualified, obtaining the finished product, and if the welding quality is disqualified, performing the next step on the disqualified product; and (7) repairing welding: performing manual repairing welding operation on detected poor welding points of the PCB, and obtaining the finished product.
Owner:QIXIANG ELECTRON SCI & TECH
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