Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

93results about How to "Reduce job safety risks" patented technology

Electric power safety operation and operation and maintenance intelligent monitoring system and method

The invention discloses an electric power safety operation and operation and maintenance intelligent monitoring system and method, wherein the system comprises a front end collecting unit, an intelligent processing unit and a distributed streaming media platform; the front end collecting unit comprises a plurality of camera shooting devices, which are installed at different monitoring points, andone or more network video recorders; the network video recorder is connected with the camera shooting device through a monitoring network; the intelligent processing unit comprises a model training machine, an intelligent analyzer and a database server; the intelligent analyzer and the database server are connected with the monitoring network; the distributed streaming media platform comprises a streaming media server and a monitoring management platform; and the streaming media server and the monitoring management platform are connected with the monitoring network. According to the system andthe method, personnel safety behavior identification, intelligent operation and maintenance, intelligent security and protection alarm and intelligent supervision are realized.
Owner:重庆览辉信息技术有限公司

Method for repairing core of rack transformer

The invention discloses a method for repairing the core of a rack transformer and belongs to the field of power maintenance. The method is characterized by comprising: (1) installing a gate-shaped support core hoisting tool on the channel steel on the bottom of the rack transformer for repairing the core; (2) fixing the core of the rack transformer by using the gate-shaped support core hoisting tool in the step (1); (3) hoisting the core of the rack transformer by using the gate-shaped support core hoisting tool in the step (1); (4) placing the hoisted rack transformer at an appropriate position; (5) enabling a worker to check and repair the core of the rack transformer; (6) hoisting the repaired core of the rack transformer over the rack transformer by using the gate-shaped support core hoisting tool, and installing repaired core of the rack transformer; and (7) detaching the gate-shaped support core hoisting tool to complete the maintenance. The method improves overhaul efficiency of the core of the rack transformer, decreases labor intensity, and reduces an operation safety risk and repairing cost.
Owner:WUZHI ELECTRIC POWER CORP

Electric energy meter running state evaluating method

InactiveCN106842101AAccurately assess operating statusAccurate assessmentElectrical measurementsState variableFault rate
The invention relates to an electric energy meter running state evaluating method. The electric energy meter running state evaluating method comprises the following steps of establishing an electric energy meter running state evaluating model; selecting factors affecting the running state of an electric energy meter as state variables; performing functional unit division on the state variables according to impact categories of the running state of the electric energy meter; according to the characteristics of the state variables, establishing a state variable scoring model and determining evaluating content; according to the scoring model and the evaluating content, computing the evaluated scores of different state variables; computing a comprehensive evaluation score of the running state of the electric energy meter; establishing an interrelation model of the comprehensive evaluation score and the fault rate of the electric energy meter. The electric energy meter running state evaluating method solves the problems of reasonable assessment and correct evaluation of the measurement running state of the electric energy meter.
Owner:CHINA ELECTRIC POWER RES INST +1

Crane steel wire rope complete lubricating integrated machine

The invention discloses a crane steel wire rope complete lubricating integrated machine comprising a power module, a waste oil removing module, a steel wire rope flaw detection module which a steel wire rope grease injection lubricating module which are arranged on a crane steel wire rope. The power module is arranged on the crane steel wire rope and can move along the crane steel wire rope. The waste oil removing module and the steel wire rope grease injection lubricating module are arranged on the front side and the rear side of the power module correspondingly and connected with the power module. The steel wire rope flaw detection module is fixed to the power module. The power module provides power for the whole lubricating integrated machine. Under the drive of the power module, the steel wire rope waste oil removing module, the steel wire rope flaw detection module and the steel wire rope grease injection lubricating module achieve the functions of themselves when moving on the steel wire, and therefore lubricating maintenance and flaw detection for the steel wire rope are achieved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Hot fluid injection blockage relieving and production increasing process for immovable string

InactiveCN105735956AAvoid affecting the heat injection effectShorten the working cycleFluid removalProcess engineeringINCREASED EFFECT
The invention discloses a hot fluid injection blockage relieving and production increasing process for an immovable string. Hot fluid is injected into a stratum through thickened oil extraction equipment, and then well soaking, blowing and pump exhausting and production are conducted. According to the provided hot fluid injection blockage relieving and production increasing process for the immovable string, the operation cycle can be greatly shortened, the operation cost can be greatly reduced, pump starting and production can be timely conducted according to the condition of the output ratio of liquid, gas and oil during blowing, and the situation that the heat injection and production increasing effect is influenced due to operation of a movable string is avoided.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Method for mounting and rapidly and accurately positioning main tower cable guide pipe of cable-stayed bridge

The invention discloses a method for mounting and rapidly and accurately positioning a main tower cable guide pipe of a cable-stayed bridge. The method comprises the following steps of S10, making a stiff skeleton segment and a positioning device and assembling the positioning device on the stiff skeleton segment; S20, preliminarily positioning a cable guide pipe on the stiff skeleton segment through the positioning device; S30, firmly welding the bottom of the positioned stiff skeleton segment and the top of a previous stiff skeleton segment of a main tower of the cable-stayed bridge; and S40, adjusting the cable guide pipe on the stiff skeleton segment through the positioning device, locking the positioning device and moving a saddle plate to stick to an outer wall plate of the lower part of the cable guide pipe; and fixedly welding the saddle plate and the stiff skeleton segment as well as the cable guide pipe and the saddle plate. According to the invention, the construction period can be prevented from being affected by twice separate lifting of the stiff skeleton segment and the cable guide pipe; the safety risks in aerial lifting operations are reduced; the construction difficulty of cable guide pipe positioning is reduced; the construction procedures are reduced; the working period is shortened; the construction operation is simple and convenient; the erection of a large working platform can be saved; and the construction period is shortened.
Owner:CHINA RAILWAY GUANGZHOU ENG GRP CO LTD

Special operation site abnormity early warning analysis system and method based on Internet of Things

PendingCN114003771ATotal unsafe behaviorOverall effectivenessData processing applicationsMetadata video data retrievalThe InternetEngineering
The invention discloses a special opeartion site abnormity early warning analysis system and method based on the Internet of Things, and belongs to the technical field of special work site abnormity early warning, and the system comprises a monitoring data collection module, a monitoring data intelligent analysis module, an abnormal condition alarm information research and judgment module, a site abnormal condition disposal feedback module and a special work database. The monitoring data collection module is used for collecting abnormal condition monitoring data and sending the acquired field monitoring data to the monitoring data intelligent analysis module; the monitoring data intelligent analysis module carries out unified data processing on the collected field monitoring data and sends the processed data to the special operation database; and in combination with the content of the alarm information database, the abnormal condition alarm information research and judgment module associates risk identification, operation analysis, safety measures and on-site operation steps in the operation ticket according to different preset alarm types, alarm information templates and alarm level rules.
Owner:ANHUI HEXIN TECH DEV

Distribution ground rod having detachable operating handle and application method thereof

The invention relates to a distribution ground rod having a detachable operating handle and an application method thereof. The distribution ground rod comprises a ground rod body, wherein the ground rod body comprises a vertical rod segment and a hook. The distribution ground rod is characterized in that a bottom end of the vertical rod segment is provided with a rotary supporting mechanism, connection with the detachable operating handle is realized by utilizing the rotary supporting mechanism, the rotary supporting mechanism comprises a rotary shaft, supporting rings and a vertical sleeve, the bottom end of the vertical rod segment of the ground rod body is inserted into the vertical sleeve and is locked by utilizing a locking nut, a circumferential surface of the rotary shaft between the two supporting rings is fixed with a limit sleeve perpendicular to an axial line of the rotary shaft, the other end of the limit sleeve is inserted into a piston rod, a stretching spring is connected between an inner end of the piston rod and the rotary shaft, and the detachable operating handle comprises an insulation rod and a hollow pipe fixed at the front end of the insulation rod. The distribution ground rod is convenient to operate, is reliable to use, realizes time saving and labor saving during ground wire mounting and dismounting, realizes hidden safety trouble elimination and has no damage to the ground wire in the operation process.
Owner:JINZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1

Underwater well repair assembly

The invention relates to an underwater well repair assembly. The underwater well repair assembly comprises a safety joint, a blowout control valve, a totally-closed shear blade blowout preventer, a stress joint and a tie-back device which are sequentially connected from top to bottom, as well as a guiding short circuit arranged in the stress joint, wherein the safety joint is used for being connected with a drill pipe; and the tie-back device is used for being connected with an underwater Christmas tree. According to the underwater well repair assembly, well repair operation of a deep water oil and gas field can be performed by adoption of an active-service engineering ship, and a large-scale floating-type drilling platform or a special well repair ship for building is not required to be used, so that the operation cost can be greatly lowered, and the well repair efficiency is improved. As the safety joint is arranged, in case of such severe working conditions as typhoon during operation, emergency disposal can be performed, temporary well abandoning can be quickly and reliably conducted, the engineering ship or the drilling platform is withdrawn, and the safety risks during operation can be reduced. The underwater well repair assembly can be used for the engineering ship or the drilling platform, and can be widely applied to well repair operation of the deep water oil and gas field adopting an underwater production system development mode.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Method for installing enclosed busbar and auxiliary adjusting tool

ActiveCN105977889AEasy transfer transportationEfficient and precise installation and adjustmentTotally enclosed bus-bar installationsBusbarEngineering
The invention discloses a method for installing an enclosed busbar and an auxiliary adjusting tool. The auxiliary adjusting tool is employed as a rigid support, which makes it easy to transport enclosed busbar pipe joints to other sites, and conduct detection and adjustment and also fitting-up and welding on the enclosed busbar pipe joints. Large amount of high altitude constructions are plumbed to ground horizontal construction, which meets high precision for installation and adjustment of the enclosed busbar. Simultaneous lifting of a permanent supporting crossbar and a temporary crossbar is employed, which helps to realize precise and safe lifting and installation of the entire three-phase busbar. According to the invention, the method and the auxiliary adjusting tool reduce large-area bent and air welding platform establishing, reduce safety hazards in construction, shorten installation construction period, and have the advantages of being economical, practical, and efficient.
Owner:CHINA GEZHOUBA GRP MECHANICAL & ELECTRICAL CONSTR

Large-height-difference long-span stiff-skeleton cladding concrete formwork construction method and apparatus

The invention discloses a large-height-difference long-span stiff-skeleton cladding concrete formwork construction method and apparatus, and belongs to the technical field of concrete formwork construction. The apparatus comprises a bottom operation platform, a top operation platform and a cable hanger. The bottom operation platform is composed of three sets of beret pieces, a bottom platform, a top platform, and a carrying pole beam. The top operation platform is composed of a main bearing beam, an operation platform, winches, electric travel blocks, power distribution cabinets, lugs, a bottom form, lower web forms, upper web forms, a lifting rod, tie rods, U-shaped bolts, barriers, and pads. The large-height-difference long-span stiff-skeleton cladding concrete formwork construction method and apparatus provide high-speed high-precision mounting of aerial arch bridge arch ring cladding concrete formworks under strong wind, operation safety risk is greatly reduced, and the method and apparatus are suitable particularly for the overall lifting, transferring and removing of long-span large-height-difference arch bridge stiff-skeleton cladding concrete bulky formworks.
Owner:CHINA RAILWAY 18TH BUREAU GRP CO LTD

Prefabricated distribution network civil engineering cable well assembly combination

The invention relates to the technical field of cable assembly equipment, and discloses a prefabricated distribution network civil engineering cable well assembly combination. The combination comprises joint clamping pillows and prefabricated ducts, wherein each joint clamping pillow comprises a pillow block at the bottom and pillow arms which are arranged at the two sides and perpendicular to thepillow block, the two ends of the prefabricated ducts are clamped and fixed by the joint clamping pillows, prefabricated side plates on the two sides of every two adjacent joint clamping pillows areconnected and fixed, a plurality of cable ducts are arranged inside the prefabricated ducts, and the joint clamping pillows, the prefabricated ducts and the prefabricated side plates are all prefabricated into standard pieces in a unified specification by a factory. The prefabricated distribution network civil engineering cable well assembly combination has the beneficial effects that the assemblytype prefabricated pieces are produced through modern machinery of the factory, the product precision is high, the quality is stable, the construction schedule duration is greatly shortened, the process quality is guaranteed, on-site complex conditions can be avoided, the application range is wide, the operation safety risk is greatly reduced, and the influence on the life of surrounding people is greatly reduced.
Owner:STATE GRID ZHEJIANG JIASHAN POWER SUPPLY CO LTD

Electric heating type aluminum foil veneering device for rock wool

The invention discloses an electric heating type aluminum foil veneering device for rock wool. An automatic gluing mechanism is used for coating production glue on one surface of an aluminum foil, andthe aluminum foil coated with the glue is driven by a transmission mechanism to move to the surface of a heating roller under the action of a pressure-bearing roller on a truss assembly; the conductive rotating shaft rotates to enable the heating wire and the heat conduction hole plate to rotate together, heat generated by the heating wire is evenly dissipated through the heat dissipation holes in the heat conduction hole plate, glue coated on the aluminum foil is heated, and the pressure-bearing roller on the other truss assembly drives the aluminum foil to continuously move until the aluminum foil is adhered to the surface of the rock wool, and the coated aluminum foil adhesive is heated and melted only by adopting a roller heating mode so that the aluminum foil is firmly adhered to thesurface of the rock wool, almost no adhesive is lost, and the cost is greatly reduced.
Owner:NANJING TONTECH ROCKWOOL CO LTD

Laser obstacle removing instrument

The invention discloses a laser obstacle removing instrument. The laser obstacle removing instrument comprises an optical fiber laser, a control holder, a tripod, an aiming controller, a battery pack,a power line, a laser emitter and a wireless remote controller, the optical fiber laser is connected with the laser emitter through an optical fiber, the battery pack is connected with the optical fiber laser through the power line, and the laser emitter is fixed to the control holder through a fast-assembling plate. The invention discloses a laser obstacle removing instrument. Remote and ground-to-air operation can be carried out; deicing process is performed without contact, the process is safe, climbing ladder is replaced, manual climbing and other modes needing contact type operation areadopted, hot-line work can be performed, economic loss caused by power failure is reduced, an optical fiber laser is adopted, the electro-optical conversion efficiency is high, the power consumption of the whole machine is low, the integration degree is high, a remote control keyboard integrating target display, direction control and laser control is adopted for aiming, holder direction adjustment, laser power adjustment and light emitting control, and the working safety risk of operators is greatly reduced.
Owner:SUZHOU AISILAN PHOTOELECTRIC CO LTD

Rapid power supply connection device for 10KV overhead power distribution line

The invention discloses a rapid power supply connection device for a 10KV overhead power distribution line. The connection device is fixedly installed on a specific electric pole of the 10kV overheadpower distribution line passing power supply guarantee evaluation argumentation; through the 10kV power distribution line installed with the device, rapid access power supply of a medium-voltage mobile emergency power supply vehicle can be realized at any time by only one comprehensive small team or group; a rapid connection plug of a cable of the medium-voltage movable emergency power supply vehicle is matched with a connection assembly of the device; the power distribution line installed with the device can be rapidly connected to adjacent other power distribution lines installed with the device through equipment such as bypass cables, bypass load switches and the like, thereby realizing transfer power supply; and a rapid connection plug of a cable of the bypass equipment is matched withthe connection assembly of the device.
Owner:厦门市众慧悦和科技有限公司

Detection and repair method and detection device for matching surface of bending roller cylinder of plate and strip rolling mill

The invention discloses a detection device for a matching surface of a bending roller cylinder of a plate and strip rolling mill. The detection device comprises reference plates, a Y-axis ruler, an X-axis ruler and a Z-axis ruler; the reference plates comprise a first reference plate and a second reference plate, and the first reference plate and the second reference plate are arranged in parallel. The Y-axis ruler comprise a first Y-axis ruler and a second Y-axis ruler, the first Y-axis ruler is fixed on the first reference plate and is parallel to the first reference plate, and the second Y-axis ruler is fixed on the second reference plate and is parallel to the second reference plate; one end of the X-axis ruler is connected with the first Y-axis ruler, the other end of the X-axis ruleris connected with the second Y-axis ruler, and the X-axis ruler can slide along the first Y-axis ruler and the second Y-axis ruler; and the Z-axis ruler is arranged on the X-axis ruler and can slidealong the X-axis ruler. The invention further discloses a method for detecting and repairing the matching surface of the roll bending cylinder of the plate and strip mill. By detecting the matching surfaces, the damage amount of each matching surface is obtained, and a basis is provided for repairing.
Owner:岳阳大陆激光技术有限公司

Cofferdam and hoisting descending construction method thereof

The invention belongs to the field of bridge engineering, and particularly discloses a cofferdam. The cofferdam comprises side plates and inner supports. The side plates are connected with the inner supports. The side plates are of a double-wall structure and comprise an outer wall plate and an inner wall plate. A plurality of first holes are arranged in the outer wall plate, a plurality of secondholes are arranged in the inner wall plate, and a second hole closing mechanism is further arranged on the inner wall plate. The invention further discloses a cofferdam hoisting and descending construction method. The method comprises the following steps that the cofferdam is transported to a bridge access water area, and the cofferdam is lifted and placed on a distribution beam at the top of steel protection cylinders in a lifting mode; the plane position of the cofferdam is adjusted; descending the whole cofferdam to the designed elevation; and limiting guide devices are arranged between the protection cylinders and the side plates of the cofferdam, so that the wave force borne by the cofferdam can be borne by the main pile foundation, and the structure and the construction safety of the cofferdam can be guaranteed. The method can meet normal construction of the on-site cofferdam in a complex marine environment and can accurately put down the site. The cofferdam and the hoisting anddescending construction method of the cofferdam has the advantages that the offshore construction work efficiency is improved, the operation safety risk is reduced, the overall working procedure construction time is saved, and the cost is saved.
Owner:CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD

Deepwater oil-gas field light well repairing device and method

The invention relates to a deepwater oil-gas field light well repairing device and method. The deepwater oil-gas field light well repairing device comprises an overwater well repairing assembly, a drill pipe and an underwater well repairing assembly, wherein the overwater well repairing assembly can be connected with a crane on an engineering ship, the drill pipe is connected with the overwater well repairing assembly, and the underwater well repairing assembly is connected with the lower end of the drill pipe. The crane has the tension and heave compensation functions, and the underwater wellrepairing assembly comprises a safety joint, a blowout prevention valve, a whole-seal cutter ram blowout preventer, a stress joint, a tie back device and a guiding short circuit which are sequentially connected from top to bottom, wherein the guiding short circuit is arranged in the stress joint; and the underwater well repairing assembly is connected with the lower end of the drill pipe throughthe safety joint, and the tie back device is used for being connected with an underwater Christmas tree. According to the deepwater oil-gas field light well repairing device and method, the well repairing operation of a deepwater oil-gas field can be conducted by adopting the engineering ship, a large-size floating type well drilling platform does not need to be used, the operating cost can be greatly reduced, the well repairing efficiency is improved, and the deepwater oil-gas field light well repairing device and method are suitable for the well repairing operation of an underwater production system of an immovable string.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Fixing structure for detachable cable protection pipe

The invention discloses a fixing structure for a detachable cable protection pipe, including a holt hoop iron I corresponding to a pole and towel pair. One end of the holt hoop iron is provided with an extension section. A cable protection pipe body is arranged at one side of the extension section. With the adoption of cooperation between the arc clamp loop and the extension section, the cable protection pipe body is tightly clamped. The fixing structure subversively changes the overall pipe-shaped structure of the original cable protection pipe, and the cable protection pipe is designed to have the detachable structure by a mode that one divides into two, so that in the installation or the later replacement process, the efficiency is greatly improved, and the cost is reduced. The fixing structure is easy to manufacture and strong in practicality.
Owner:GUIYANG POWER SUPPLY BUREAU OF GUIZHOU POWER GRID CO LTD

Elevating device of working face of high-voltage insulator chain

The invention relates to an elevating device of a working face of a high-voltage insulator chain. The elevating device is characterized by comprising a circular clamping head (1), wherein the circular clamping head (1) is fixedly connected with one end of a supporting rod (3), and a through-hole is arranged at the other end of the supporting rod (3). According to the elevating device, a hanging point which is used for raising a transmission pulley serves as a breach, a clamp is supported by an insulator chain, and the working face is elevated, so that the elevating device has the advantages that the workload is reduced, the working time is shortened and the working safety risks are reduced.
Owner:国网宁夏电力有限公司超高压公司 +1

Special tool for opening cable working well lid

The invention discloses a special tool for opening a cable working well lid, and relates to the technical field of power cable operation inspection. The special tool for opening the cable working welllid is composed of an operation part and a supporting part, the operation part is mainly composed of a long handle, a short handle and an auxiliary spring set, the supporting part is mainly composedof three transverse supporting arms and three lateral supporting arms and is in a triangular cone shape, and the operation part and the supporting part are connected through two concentric rods. In anatural state, the transverse supporting arms and the lateral supporting arms in the supporting part are in a folded state so as to penetrate through a hole of the cable working well lid, the transverse supporting arms and the lateral supporting arms are in an unfolded state and are tightly attached to the inner side of the cable working well lid by operating the long handle and the short handle,and therefore the well lid is lifted. The special tool for opening the cable working well lid has the beneficial effects that by using the special tool for opening the cable working well lid, the cable working well lid can be conveniently and efficiently opened without being damaged, and the operation safety risk of personnel is greatly reduced.
Owner:HAIDONG POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER +1

Power operation site risk supervision intrusion video identification method

PendingCN110543809ARealize identity information verificationMeet identity information verificationImage enhancementCharacter and pattern recognitionMorphological filteringPower grid
The invention relates to a power operation site risk supervision intrusion video identification method, and belongs to an AI-based power grid production management safety operation management and control key technology, mainly aiming at identifying intrusion behaviors of a power operation site, being high in identification accuracy, and capable of realizing automatic monitoring and unattended operation. The power operation site risk supervision intrusion video identification method mainly comprises the following steps: step 1, initializing a background model; step 2, carrying out forward detection; step 3, updating the model; step 4, performing morphological filtering; step 5, acquiring a target area; step 6, performing regional module matching; and step 7, marking a non-staff invasion area. The power operation site risk supervision intrusion video identification method provided by the invention is a power operation field risk supervision means based on deep artificial intelligence, realizes high-efficiency supervision of the operation field, improves the supervision level, and reduces the operation safety risk.
Owner:TAIZHOU HONGDA ELECTRIC POWER CONSTR CO LTD +1

Wellbore wax and sand control tubular column used for oil field oil extraction

The invention provides a wellbore wax and sand control tubular column used for oil field oil extraction and relates to the technical field of oil extraction equipment in the oil field development andproduction process. The tubular column comprises an oil extraction tube structure and a sleeve, and further comprises circular hot pack pipelines, external circulating channels and oil well pump circulating channels. The circular hot pack pipelines comprise the first circular hot pack pipeline, the second circular hot pack pipeline and the third circular hot pack pipeline. The external circulatingchannels comprise the first external circulating channel, the second external circulating channel and the third external circulating channel. The oil well pump circulating channels comprise the firstoil well pump circulating channel, the pump tail pipe and the second oil well pump circulating channel. According to the wellbore wax and sand control tubular column provided by the invention, driving circulation is established by means of hot water of prior ground gathering and conveying pipelines of an oil field, and wax in an annular space in a wellbore and on the pipe wall is removed.
Owner:大庆天工开物能源科技有限公司

Anchor rod trolley and anchor rod mechanism thereof

The invention discloses an anchor rod mechanism of an anchor rod trolley. The anchor rod mechanism comprises an anchor rod unit, wherein the anchor rod unit comprises a propelling beam, a rotating shaft, a drilling assembly, a grouting assembly and an anchor rod assembly; the propelling beam is rotatably arranged on the rotating shaft, the rear end of the propelling beam is used for being connected with an arm frame of the anchor rod trolley, and the arm frame can drive the propelling beam to rotate around the axis of the rotating shaft in a fixed-axis mode; a center structure is arranged at the front end of the rotating shaft, located at the foremost end of the working face of the anchor rod unit and used for being pressed and located on the tunnel face of an anchor rod hole to be constructed; and the axis of a drill rod of the drilling assembly, the axis of a grouting pipe of the grouting assembly and the axis of an anchor rod of the anchor rod assembly are parallel to the axis of the rotating shaft at equal intervals. According to the anchor rod mechanism, drilling operation, grouting operation and anchor rod inserting operation are all automatically completed by the anchor rod mechanism, and participation of operators is reduced, so that the operation safety risk is greatly reduced, and the construction efficiency is improved.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Construction method of frame revetment

The invention discloses a construction method of a frame revetment, belongs to the technical field of slope stabilization, and aims to solve the problems that in the prior art, construction cost is high, the construction period is long, and potential safety hazards are prominent. The construction method mainly comprises the steps of slope excavation, erecting of a scaffold, cleaning of a working surface, construction of an anchor rod, construction of a frame beam, concrete pouring, maintenance, and the like. The frame revetment manufactured through the construction method has the advantages that construction cost is low, the construction period is short, safety is high, and construction quality is high.
Owner:CHONGQING CONSTR ENG MUNICIPAL TRAFFIC ENG +1

Electric power bin fireproof door for comprehensive pipe corridor

The invention provides an electric power bin fireproof door for a comprehensive pipe corridor. The electric power bin fireproof door comprises a tunnel body; partition walls are arranged on the positions, close to the inner side wall of the tunnel body, of the inner side of the tunnel body; cable frames are arranged on the partition walls; and a fireproof door body is arranged between the partition walls. The fireproof door body comprises side door shafts making contact with the partition walls; the upper and lower ends of the side door shafts are connected with the tunnel body through bolts;a frame is arranged between the two side door shafts and internally provided with a door main body; a middle door shaft is arranged above the middle of the door main body; a cross beam is arranged atthe lower end of the middle door shaft and connected with the frame; and the upper end of the middle door shaft is connected with the tunnel body through bolts. When cables are expanded, the fireproofdoor body and a fireproof door shaft part door can be quickly overall removed by removing fireproof door shaft bolts, after the cables are fixed, the removed fireproof door shaft bolts are recovered,and the fireproof door body and the fireproof door shaft part door can be quickly recovered; and compared with previous engineering, construction is convenient and quick, electric welding operation in the comprehensive pipe corridor is avoided, and the construction cost and operation safety risk are reduced.
Owner:STATE GRID CORP OF CHINA +3

Expansion mandrel for horizontal machining of electrical ceramic blank

The invention discloses an expansion mandrel for horizontal machining of an electrical ceramic blank. The expansion mandrel is inserted and connected into a hole in the axis direction of the electricceramic blank and comprises a metal mandrel body and an air bag, wherein the outer wall of the metal mandrel body is coated with the air bag, the air bag is filled with an expansion medium, and the air bag abuts against the metal mandrel body and the inside of the hole of the electric ceramic blank. By the adoption of the expansion mandrel for horizontal machining of the electrical ceramic blank,the blank can be transversely machined, the product surface is improved, the problems that the electrical ceramic blank is prone to breakage during machining when being transversely placed is solved,the equipment height can be effectively reduced, the clamping difficulty and risk are lowered, the dust raising problem is relieved, and the dust collection effect is improved; and moreover, the safety risk of injuring the machining personnel due to product breakage, chipping and the like in the high-speed rotary machining process is lowered.
Owner:NANJING ZHIDA ELECTRICAL EQUIP CO LTD

Foreign matter-removing laser system

The invention discloses a foreign matter-removing laser system, which comprises a turntable, a laser part, a base, a power supply system, an input / output device, a control system, and a visual sensor,the turntable comprises a orienting part and a pitching part, the control system is connected to the visual sensor to adjust parameters of the visual sensor, and the visual sensor is used for capturing foreign matter points and transmitting an image to the control system to carry out image identification; the control system is respectively connected to the orienting part and the pitching part, the control system processes an image identification result to drive the orienting part and the pitching part to rotate by two degrees of freedom, i.e., orientation and pitching, and thereby the laser part and the visual sensor are driven to rotate. The foreign matter-removing laser system disclosed by the invention has the characteristics of remote control, high adaptability, high automation leveland the like; in the field of removing foreign bodies on high-voltage power transmission lines, the foreign matter-removing laser system can be adapted to various foreign matter types and wound types,the efficiency of removing foreign matter on overhead lines is increased, the maintenance cost is reduced, the labor intensity and the operation risk of operators are decreased, and the reliability of power transmission systems is improved.
Owner:NANJING UNIV OF SCI & TECH

An installation method and auxiliary adjustment tool for a closed busbar

ActiveCN105977889BEasy transfer transportationEfficient and precise installation and adjustmentTotally enclosed bus-bar installationsBusbarThree-phase
The invention discloses a method for installing an enclosed busbar and an auxiliary adjusting tool. The auxiliary adjusting tool is employed as a rigid support, which makes it easy to transport enclosed busbar pipe joints to other sites, and conduct detection and adjustment and also fitting-up and welding on the enclosed busbar pipe joints. Large amount of high altitude constructions are plumbed to ground horizontal construction, which meets high precision for installation and adjustment of the enclosed busbar. Simultaneous lifting of a permanent supporting crossbar and a temporary crossbar is employed, which helps to realize precise and safe lifting and installation of the entire three-phase busbar. According to the invention, the method and the auxiliary adjusting tool reduce large-area bent and air welding platform establishing, reduce safety hazards in construction, shorten installation construction period, and have the advantages of being economical, practical, and efficient.
Owner:CHINA GEZHOUBA GRP MECHANICAL & ELECTRICAL CONSTR
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products