147results about How to "Ensure safety and quality" patented technology

The invention discloses an intelligent Operation and Maintenance Analysis System Based on Multi-source Heterogeneous Data Fusion, Machine Learning and Customer Service RobotBased on multi-source heterogeneous data fusion, In the intelligent operation and maintenance analysis system of machine learning and customer service robot, the analysis and processing module uses the multi-source heterogeneous data fusion technology to preprocess and normalize the real-time data. After the correlation analysis, the model matching is used to output the results, and the root cause of the problem is determined by root cause analysis. The model management module is used for acquiring data for machine learning and outputting various reasoning models to the analysis processing module and the recommendationdecision module. The recommendation decision module recognizes the context and matches the corresponding subsequent processing behavior according to the policy. The invention is based on the multi-source heterogeneous data fusion technology and the operation and maintenance mode of machine learning, which gives consideration to the compatibility problem of the big data, improves the automation degree of the operation and maintenance, guarantees the network safety and the service quality, simultaneously has certain prediction ability, and reduces the related operation and maintenance cost. Theoutput mode of the customer service robot further realizes the intelligence of operation and maintenance.

The invention relates to the technical field of civil engineering construction, in particular to a construction method of an ultra-deep underground diaphragm wall in a water-rich soft-soil area. The construction method comprises the following steps: making an analysis and research on the stability of trench walls of the underground diaphragm wall and doing relevant preparations, preparing wall protecting slurry, building a guide wall, performing trenching construction, wall cleaning and sediment removal, manufacturing and hoisting reinforcing cages, backfilling joints between trench sections, and pouring wall concrete. According to the construction method, through a stability analysis method that introduces strength reduction, the security coefficients of stability of the trench walls are calculated based on a finite difference method; through parameter-reduction circular calculations, not only the limit stress and large deformation state of the trench walls but also the stability coefficients of the trench walls are obtained, which has practice guiding significance in construction; and the results are simple and practical and conform to the habits in the engineering field, and the stability requirements of the trench walls are effectively guaranteed, so that the engineering construction can be completed safely and fast with high quality.

The invention discloses large-span overhead pipeline sliding installation technology which comprises an overhead pipeline truss. The technology is characterized by comprising the following installation steps: a) making a new bracket and a temporary bracket; b) providing multiple sections of pipelines; c) installing a horizontal pipeline spanning over a factory protection river and an over-railway section; and d) installing vertical sections of pipelines on the two sides of the horizontal pipeline. By the large-span overhead pipeline sliding installation method disclosed by the invention, pipelines can be hoisted in place successfully when the pipelines cannot be hoisted in place conventionally by a crane due to the restriction of a narrow field and other objective conditions, the construction safety and installation quality are guaranteed, and the installation construction expenses is reduced greatly.

The invention provides a vacuum lightweight well-point dewatering method, which comprises the following steps of: arranging at least one row of working face advanced vacuum dewatering pipes according to a certain annular interval within a certain angle range of working face vault; excavating an upper step, and arranging at least one row of first vacuum dewatering pipes at a certain distance under the arch foot of the upper step; and excavating an intermediate step, and arranging at least one row of first vacuum dewatering pipes at a certain distance under the arch foot of the intermediate step. The dewatering pipes are arranged according to an excavating working method adopted in tunneling, therefore the method disclosed by the invention has the advantages of simple process, convenience for construction and operation, low energy consumption, low construction cost and good dewatering effect; and the construction equipment is simple to assort, the arrangement of large-scale equipment when other dewatering methods are adopted is reduced, and the construction equipment has the advantages of simpleness in installation, strong operability and convenience for maintenance.

The invention discloses a method of constructing a cofferdam after integrally lowering multiple layers of inner bracings of a steel sheet pile cofferdam. The method is applied to the technical field of cofferdam construction and comprises the following steps of: heightening and constructing pile casings of the pile foundation at the bottom of a bearing platform, arranging a temporary assembly platform on the pile casings and assembling the inner bracings on the temporary assembly platform; disassembling the temporary assembly platform, arranging supporting structures at the designed elevation positions of the inner bracings on the pile casings, and lowering the inner bracings to the supporting structures; sequentially inserting steel sheet piles by using the inner bracings as inner guide till closing to form the cofferdam; and clearing sludge at the inner bottom of the cofferdam, then carrying out underwater bottom sealing by concreting, and after the strength of concrete for sealing the bottom reaches requirements, pumping water in the cofferdam dry, and constructing the bearing platform and pier bodies; and disassembling the cofferdam. The method has the beneficial effects that larger potential safety hazards caused by a conventional method of installing inner bracings and connection systems by layer-by-layer water pumping in a steel sheet pile cofferdam construction process are avoided; construction procedures are simple and easy to operate; the safety of operating personnel and the construction quality can be ensured to a greater extent; the construction period is shortened; and the construction cost is saved.

The invention discloses an ultra-deep T-shaped trench-wall pile in a soft-toped hard-bottomed soil layer and a trench forming method. The trench forming method includes the steps: firstly, pre-reinforcing soft soil at each external corner of a T-shaped trench wall; secondly, digging a guide wall foundation pit, treating the extremely soft soil layer at the bottom area of a guide wall to lead the bearing capacity of the foundation bottom of the guide wall to be larger than or equal to 100kPa; and thirdly using the trench forming way of 'drilling and gripping'. By the method, trench forming efficiency can be improved greatly, cost is lowered, and evident economy is achieved.

The invention discloses a tower crane foundation in a building basement and a manufacturing method of the tower crane foundation. The tower crane foundation is manufactured into an orthogonal beam slab type reinforced concrete tower crane foundation composed of an orthogonal beam and a slab. During manufacture, a pit of the tower crane foundation is dug in the building basement, and then the orthogonal beam is poured in a traditional mode of pouring reinforced concrete and the slab is poured on the orthogonal beam, and meanwhile, at least one circle of water retaining boards is fixedly inlaid around the slab; base plate surface ribs of basement base plates are embedded according to a traditional mode of pouring the basement base plates, and then the basement base plates are poured; and after the basement base plates are poured, the water retaining boards are inserted into the basement base plates around the slab, so that the orthogonal beam slab type reinforced concrete tower crane foundation is connected with the basement base plates into one. The tower crane foundation has the advantages of fastness, convenience and high efficiency in construction, low construction and operation cost, reliability in performance, safety in operation, convenience in operation and the like.

The invention discloses an aluminum alloy space grid structure slab rib node. The aluminum alloy space grid structure slab rib node comprises two aluminum cover plates arranged up and down in parallel and at least two H-type aluminum rod pieces fixedly connected between the two aluminum cover plates through first bolts. an H-type vertical aluminum rib slab is arranged between every two adjacent H-type aluminum rod pieces, and the upper ends and the lower ends of the H-type vertical aluminum rib slabs are fixedly connected with corresponding aluminum cover plates through second bolts. According to the aluminum alloy space grid structure slab rib node, because annular rib slabs and vertical rib slabs are additionally arranged on an existing cover plate node, the internal rigidity and the external rigidity of a node plane are increased. The node distinctly bears force, the rigidity and bearing capacity of the aluminum alloy grid node can be improved, the performance of aluminum alloy is improved, some potential safety hazards can be avoided, and the safety of the aluminum alloy structure can be guaranteed.

The invention provides a method of constructing a shallow tunnel underground passage variable-cross section cross mid-partition wall. The method is characterized by comprising the following steps of 1) dividing a first cross section of a passage into a plurality of guide holes along a tunneling direction; 2) finishing primary supporting for the first cross section to the third cross section by the CRD method; 3) dividing a fourth cross section into a plurality of guide holes; 4) respectively replacing the supporting of each temporary inverted arch surface of the upper layer, the middle layer and the lower layer among the second cross section to the fourth cross section with new temporary inverted arches; 5) paving and firmly welding longitudinal reinforcing steel bars on the third new temporary inverted arch surface according to requirements; 6) finishing underground passage primary supporting for the fourth cross section to the fifth cross section by the CRD method by taking the two new temporary inverted arch surfaces of the middle layer and the lower layer as construction walking passages; and 7) detaching the temporary inverted arch supports section by section, and meanwhile lining the underground passage for the second time section by section, so that the main body structure is formed. Due to the fact that the procedure conversion of variable-cross section passage support change is adopted, the CRD method can be used for continuously operation according to the requirements all the way, the cost can be saved, and the efficiency is improved.

The invention discloses a steel bar information full life cycle management method based on a BIM technology, and belongs to the field of BIM technology application, and the method comprises the following steps: 1, importing structure design software on a BIM platform, and building a BIM three-dimensional information model; And step 2, importing analysis software on the BIM platform to form a component flat reinforcement information achievement package. BIM database platform establishment, the steel bar information can become a database file capable of being inherited and traced; Proprietor, the design party, the construction party and the supervision party are taken as application participants of the BIM system; The comprehensive project management system is operated through the Web browser and the mobile client, the construction transparency is improved, the proprietor unit, the supervision unit, the construction unit and the like can timely and accurately know the quality, safety andprogress of a construction site, it is ensured that a project is smoothly carried out, and information is provided for full-life-cycle information management of steel bars.

The invention discloses a large-section tunnel support removing and replacing and secondary lining construction method. The method comprises the steps of cutting off a lower layer middle partition wall, constructing an inverted-arch waterproof structure, constructing a secondary lining inverted arch, cutting off a lateral temporary inverted arch, putting up a full hall scaffold template support system of a secondary lining structure, constructing a lateral wall waterproof structure, constructing a secondary lining lateral wall, cutting off an upper layer middle partition wall, constructing a top arch waterproof structure, constructing a secondary lining top arch, demolishing the full hall scaffold template support system, and cutting off the middle partition walls preserved in the second step and the eighth step. According to the large-section tunnel support removing and replacing and secondary lining construction method, the bearing capacity of the temporary structure itself is innovatively utilized, the temporary structure and the full hall scaffold template support system which is erected during secondary lining construction are combined, a conventional support removing and replacing system is replaced, the bearing capacity of the support removing and replacing system is improved, the primary construction section is stretched to 9 m from 6 m, the construction method of a large-section tunnel is sharply simplified, the content of a construction technology is simplified, the construction efficiency is improved, and the work dangerousness is lowered.

The invention discloses a high-rise elevator shaft jacking formwork system and a construction method thereof. The system comprises a bottom supporting mechanism, a vertical jacking hydraulic device, an upper supporting mechanism, a formwork supporting device and a control system. The bottom supporting mechanism and the upper supporting mechanism are connected through the vertical jacking hydraulicdevice. The vertical jacking hydraulic device is used for jacking the upper supporting mechanism and lifting the bottom supporting mechanism. The formwork supporting device is arranged at the top ofthe upper supporting mechanism, and a formwork is detachably arranged on the periphery of the formwork supporting device. The vertical jacking hydraulic device, the upper supporting mechanism and thebottom supporting mechanism are electrically connected with the control system. According to the high-rise elevator shaft jacking formwork system and the construction method thereof, independent detachment is not needed when the formwork is installed and dismounted, the formwork can be lifted as a whole along with a hydraulic lifting system, mechanical and intelligent construction of a shear wallin an elevator shaft of a high-rise building is achieved, and the safety and reliability of the system are improved.

The invention discloses a shield in-tunnel construction method. The method includes the following steps that a cement system reinforcement method is adopted for reinforcing a tunnel portal; a horizontal freezing reinforcement method is adopted for further reinforcing the tunnel portal; a steel cover box is assembled in the tunnel portal; the steel cover box is used for receiving a shield tunnelingmachine; the shield tunneling machine enters a tunnel from the tunnel portal for construction; after the shield tunneling machine completes construction, grouting is conducted on the tunnel portal soas to seal the tunnel portal. According to the shield in-tunnel construction method, the situation that confined water upwells and water is leaked from the tunnel portal when a shield enters the tunnel in confined water is effectively prevented, and the construction safety and the construction quality are ensured.

The invention discloses a large filling type karst cave geological tunnel foundation reinforcing structure. A plurality of rows of grouting steel pipe piles are arranged at the bottom of a tunnel inverted arch in the length direction of a tunnel and go deep into underground bedrock or a soil body with a certain depth, a graded broken stone hardcore is laid above the steel pipe piles at the bottomof the tunnel, and a concrete bearing platform is poured above the graded broken stone hardcore. The construction method comprises the following steps of on-site surveying and setting out, drilling, hole cleaning and hole inspection, steel floral tube installation, primary grouting, secondary grouting and tunnel inverted arch bottom concrete bearing platform construction. The requirements for theconstruction quality and the service life of a karst cave geological tunnel foundation can be met, the bearing capacity is high, subsidence of the karst cave geological tunnel foundation is effectively controlled, the mechanical property of the cast-in-place pile is good, the piles are not prone to breakage, and hole collapse and blockage are effectively controlled in the hole forming process of the cast-in-place pile; and the whole foundation reinforcing structure is beneficial to maintaining water and soil stability in a tunnel mountain, and the natural water system environment is not affected.

The invention discloses an ultra-thin steel truss inclined wall construction method and structure. The ultra-thin steel truss inclined wall construction method is characterized in that a connecting member is fixed between a superstructure and a substructure; the outside of an inclined wall body utilizes a steel bar truss formwork as a supporting member, and two ends of the steel bar truss formwork are connected with the connecting member of the superstructure and the substructure to serve as the outer supporting formwork of the inclined wall body; the inside of the wall body utilizes an ordinary formwork; the ordinary formwork and the steel bar truss formwork are connected through a split bolt; the pouring of concrete utilizes self-compacting concrete. According to the ultra-thin steel truss inclined wall construction method and structure, the steel bar truss formwork serves as the support of the outside of the inclined wall body, and the inside of the inclined wall body still utilizes the ordinary formwork, so that the difficulty in the supporting of the inclined wall is overcome; the technology is simple, the field installation efficiency is high, the quality is reliable, the construction period is short, the labor intensity is low, and labor force can be arranged for performing construction simultaneously; materials can be processed in a material processing factory, field assembly can be performed directly, and the construction period is shortened; the construction quality meets design requirements.

The invention discloses an intelligent liquid vending machine based on Internet of Things, which comprises a barrel, a liner, a liquid adding port, a liquid outlet, a controller, an IC card reader, a touch screen and a GPS (Global Positioning System) module, wherein the IC card reader, the touch screen and the GPS module are connected with the controller; a CO2 high pressure bottle which is used for discharging liquid to the liquid outlet by releasing high pressure CO2 is connected with the upper part of the liner; a high pressure rotating nozzle which is connected with a high pressure pipeline for supplying high pressure washing water is also arranged; a pressure sensor, a temperature sensor and a liquid level sensor which are respectively connected with the controller are also arranged; a control system for the intelligent liquid vending machine based on Internet of Things comprises a single chip and a wireless module, a GPS module, an IC card reading module, a monitoring center, a mobile phone client terminal and a cloud platform used for storing data which are connected with the single chip. The intelligent liquid vending machine based on Internet of Things can automatically control and adjust the working state so as to ensure the quality of liquid, can monitor temperature, pressure and liquid level information in real time and can send to the cloud platform, so that the user can view through the monitoring center and the mobile phone client terminal at any time.

The invention discloses a mining method tunnel construction method and structure through which a tunnel can penetrate through surrounding rock poor in geological condition. The surrounding rock is provided with a large-span V-shaped funnel. The structure comprises a pipe shed, a plurality of steel pipes with the external inserting angle being 5-15 degrees are arranged within the 120-150 degree range of an arch part of the tunnel planned to be constructed, the annular interval is 250-350 mm, each steel pipe is 6-18 m long, each steel pipe is exposed by 1m, the exposed lower end of each steel pipe is provided with a flange for preventing slurry from leaking outside after grouting ends, the upper end of each steel pipe stretches into the surrounding rock on the other side of the V-shaped funnel after passing the surrounding rock on one side of the V-shaped funnel and the space of the V-shaped funnel, and slutty outlet holes are evenly distributed in the portion, located in the space of the V-shaped funnel, of each steel pipe and pipe segments in the surrounding rock on the two sides of the V-shaped funnel. Through the method and structure, a good advanced supporting effect can be achieved, it can be guaranteed that the tunnel safely penetrates through the geological section, and construction safety and construction quality are effectively guaranteed.

The invention discloses a slag salvaging cylindrical drill for a drilled pile. The slag salvaging cylindrical drill is characterized in that a cylinder is arranged, a drilling rod is arranged at a neutral axis position of the cylinder, and the top end of the drilling rod penetrates through the top of the cylinder and is provided with a flange disc; the inner part of the cylinder is separated into semi-cylindrical cylinders at two sides by a longitudinal clapboard; a bottom steel beam is arranged at the bottom of the cylinder and is at a position crossing with the bottom edge of the longitudinal clapboard, drilling teeth are arranged on the bottom steel beam at intervals, the bottom steel beam divides the semi-cylindrical cylinders into salvaging bins and storing bins, the salvaging bins are open sectors and the storing bins are sectors of which the bottoms are sealed with steel meshes; and the salvaging bins in the semi-cylindrical bins at two sides are arranged at diagonal positions. According to the invention, the phenomena of pipe plugging, hole collapse and chambered holes in the drilling construction can be effectively reduced, and the construction progress and the safety quality of a pile foundation are ensured.

The invention discloses a special-purpose projector of an open classroom. The special-purpose projector includes a projector main body. The front side of the projector main body is provided with an alarm device. The top end of the projector main body is provided with a radio transmit-receive apparatus. The two sides of the projector main body are both provided with heat radiation openings. One side of the heat radiation openings is provided with a timer. The internal wall of the projector main body is provided with a temperature sensor. The projector main body is provided with a main control board and a rotation motor. The main control board is provided with a storage module and a control module thereon. The bottom end of the projector main body is provided with a supporting rod. The bottom end of the supporting rod is provided with a telescopic rod which is sleeved inside the supporting rod. The supporting rod is provided with a telescopic motor therein. According to the invention, the projector uses the alarm to sound an alarm when maloperation occurs, acquires conditions in the open classroom at different angles, removes inside temperature outside the projector main body in time, increases service life of the projector, has high automation level, and guarantees safety and quality of the open classroom.

The invention provides a marine cabinet cabin entry tool. The marine cabinet cabin entry tool comprises a high cabinet, a cabin door, a protective guard, a pedal, a hinge, a short cabinet, a console,a lifting device, a flatcar, a fixing device and a lifting mechanism. The flatcar is a bearing part of the whole tool, four sets of wheels are installed at the bottom of the flatcar, the small wheelsrotate to walk forwards and backwards, the large wheel set rotates to smoothly cross a threshold of the cabin door, and the cabinet enters the cabin. The console is arranged in front of the flatcar, apower part and the lifting mechanism are integrated on the console, the lifting mechanism and the lifting device are connected into a whole and driven by a transmission belt to ascend and descend, and the lifting device enables the cabinet fixedly placed on the lifting device to be placed at different angles through action of an oil cylinder so as to smoothly pass through the cabin door. The problems that in the prior art, a marine equipment cabinet cabin entry mechanism is complex, the cabinet angle is not easy to adjust, the cabin entry efficiency is low, the risk is large, and the cost ishigh are solved.

A water purifier is provided, including a framework, including a plurality of vertical supporting members respectively vertically arranged in intervals and a metal frame disposed on top ends of the plurality of vertical supporting members, the metal frame having two first through holes; two filtering mechanisms, received in the framework and connected in series, one of the two filtering mechanisms for being connected to a water source; a magnetizer, received in the framework, the magnetizer connected to the other of the two filtering mechanisms in series and being communicable with outside; a shell, covering the framework, including a plastic cover covering the metal frame, the plastic cover including two first pass holes corresponding to the two first through holes and two cover bodies disposed on the two first pass holes, the two cover bodies being capable of sealing the two filtering mechanisms respectively.

The invention discloses a cleaning and disinfecting device for a food packing machine, and belongs to the field of food safety. The device comprises a liquid disinfection device, a drying device, an ozone disinfection device, and a bottom plate, wherein the drying device comprises a drying box, the drying box is fixed on the bottom plate, the liquid disinfection device is arranged above the dryingbox, the liquid disinfection device comprises a barrel body fixed on the drying device, a first feeding port is arranged at the top of the barrel body, a feeding mechanism is arranged above the firstfeeding port, a first motor is fixed to the center of the side wall of one side of the barrel body, a rectangular mounting frame is rotationally connected to the inner portion of the barrel body, a filter screen is mounted on the mounting frame, an output shaft of the first motor is connected to the mounting frame, a material guide channel is arranged between the barrel body and the drying box, and the material guide channel communicates with the drying box and the barrel body. According to the device, food is subjected to multiple sterilization and disinfection, the disinfection effect is greatly improved, the food safety quality is ensured, the disinfection process is automatic and efficient, and manpower is saved.