13 results about "Maintenance engineering" patented technology

The invention relates to the technical field of data processing and engineering project process management, in particular to a full-process intelligent management method and system for bridge and tunnel maintenance engineering. The method comprises the following steps: extracting a disease geometric contour based on bridge and tunnel inner wall three-dimensional point cloud data, and calculating a centroid coordinate, a volume and a surface contour area; constructing a space retrieval sphere by using a target disease centroid, screening an adjacent disease set, and calculating a local aggregation density by combining the volume and the centroid distance; calculating the average depth of the target disease, and deducing the overlapping sharing rate of the working plane; constructing a group topology consumption equivalent through linear analysis; and inputting the extreme gradient lifting model to output an optimal repair material dosage table and a material distribution operation instruction book. According to the method, the disease space distribution and aggregation degree can be accurately evaluated, the construction loss surface overlapping probability and the material sharing potential are scientifically evaluated, the material preparation accuracy is improved, waste and cost are reduced, and the whole-process intelligent management of bridge and tunnel maintenance engineering is realized.

The utility model discloses a special board for power transformation operation and maintenance, and belongs to the technical field of power operation and maintenance engineering. Comprising a touch panel and a recording board rotationally hinged to the touch panel, a front camera and a rear camera are fixedly arranged on the touch panel, a storage card is detachably installed on the side face of the touch panel, and the special board for power transformation operation and maintenance is formed by rotationally hinging the touch panel and the recording board, so that the touch panel displays a power diagram of a power transformation system. Environment information of an operation and maintenance power transformation system can be obtained through photographing, verification work of a fault point physical picture and an electric power diagram is achieved, operation and maintenance personnel are assisted to confirm an operation and maintenance fault point more accurately, the multiple operation and maintenance recording tables installed on the recording board can achieve one-chasing page turning processing according to the installation sequence, the operation and maintenance recording function of a paper table is achieved, and the operation and maintenance efficiency is improved. And in addition, the hand is inserted between the supporting belt and the recording plate for use, so that the phenomenon that the hand slips out of the hand can be effectively avoided.

The invention relates to the technical field of bridge demolition and maintenance engineering, and discloses bridge demolition waste treatment equipment and a method thereof.The bridge demolition waste treatment equipment comprises a rack and a magnetic roller, a rotating shaft is fixedly connected to the outer wall of the magnetic roller, a reinforcing strip is fixedly connected to the bottom of the rack, and an adjusting mechanism is arranged on the outer side of the rotating shaft; an adjusting mechanism is arranged on the rack and used for adjusting the intensity of a magnetic field of the magnetic roller, a cleaning mechanism is arranged on the outer side of the rack and used for cleaning scraps remaining on the magnetic roller, an auxiliary mechanism is arranged at the bottom of the rack and used for assisting the device in moving, and the adjusting mechanism comprises a matrix plate. According to the invention, the intensity of the generated magnetic field can be flexibly controlled by adjusting the current to the electromagnetic block, and the magnetic field can drive the phase column to generate displacement so as to change the distance between the magnetic system and the magnetic roller, so that the continuous adjustment of the magnetic field intensity on the surface of the magnetic roller is realized, and a basis is provided for efficiently sorting materials with different magnetisms.

The invention provides a turboshaft engine accessory disassembly and assembly time prediction method based on maintenance process attributes, which belongs to the technical field of maintenance engineering prediction, and comprises the following steps: carrying out maintenance task decomposition in combination with maintenance guidance information and kinematic decomposition of a time measurement method to obtain a maintenance task; obtaining a plurality of maintenance operation units and a plurality of basic maintenance actions in the maintenance operation units; performing six-dimensional maintenance attribute evaluation based on a language evaluation set on each basic maintenance action to obtain a corresponding six-dimensional time correction coefficient set; determining maintenance time of the plurality of basic maintenance actions by using a time measurement method; correcting the maintenance time of each basic maintenance action through the maintenance time correction model and the six-dimensional time correction coefficient set; and the corrected maintenance time of all the basic maintenance actions in all the maintenance operation units is calculated in an accumulated mode, and the turboshaft engine accessory disassembly and assembly time based on the maintenance process attributes is obtained. According to the method, the accuracy and practicability of the disassembly and assembly time estimation of the turboshaft engine accessory can be improved.

The invention discloses a high-precision robot for treating tunnel water leakage, and belongs to the technical field of tunnel maintenance engineering machinery. The robot comprises a track moving vehicle, an active anti-tipping mechanism, a six-degree-of-freedom mechanical arm, a drilling device, a grouting system, a quick mounting structure and a visual scanning system. The track moving trolley moves on the tunnel track to achieve moving positioning. The active anti-rollover mechanism is used for upwards jacking a tunnel segment through an adjustable supporting leg driven by a worm gear and a worm so as to provide anti-rollover stable support; the visual scanning system performs global scanning and modeling through a first visual scanning unit, and performs accurate positioning of a working point by using a second visual positioning unit; the six-degree-of-freedom mechanical arm can quickly change and mount a drilling device or a grouting head through a quick mounting structure, and precise drilling and quantitative grouting operation are sequentially executed; full-automatic, high-precision, continuous and efficient operation of tunnel leakage water treatment is achieved, and the defects of manual treatment and existing equipment in the aspects of stability, precision and efficiency are effectively overcome.

The application discloses a fastener for a spaceflight sealing device and belongs to the technical field of spaceflight fastening structures. When a locking piece after sealing glue solidification is disassembled, a special-shaped sink is first inserted, a rotating disc is quickly rotated, the rotating disc drives a friction shaft to rotate, the friction shaft generates heat in the sink hole, the heat is conducted to a stud, the temperature of friction heats the solidified sealing glue, after the sealing glue is melted, the special-shaped through groove on the screw head is rotated through a hexagonal screw cutter, and the whole fastener can be taken out. The fastener can be non-destructively removed in the state of being hit by the sealing glue without relying on other heating tools, the disassembly integrity of the workpiece is guaranteed, damage to the threads of the structural parts is not easy, the whole locking piece structure is compact without gaps, has the physical characteristics of high strength and deformation resistance, the fastener is convenient to disassemble, the part damage rate is reduced, and the part cost is saved for the maintenance engineering in the spaceflight field.

This invention relates to the field of computer technology and discloses a method for optimizing equipment maintenance personnel configuration based on multi-factor dynamic coupling. The method includes acquiring status characteristic information such as equipment age, technical complexity, and average daily utilization time; determining corresponding influence coefficients; calculating the maintenance requirements for a single unit based on baseline maintenance workload; and summarizing the total maintenance requirements for the equipment group. Further, correction factors such as personnel capability equivalent coefficient, cross-site collaboration coefficient, on-duty availability coefficient, and resource balance coefficient are determined. The total maintenance requirements are then corrected item by item in the order of capability conversion, collaboration adjustment, on-duty correction, and resource balance compensation, outputting the required number of maintenance engineers. This invention enables refined and optimized equipment maintenance personnel configuration, improves the accuracy and adaptability of personnel allocation, and reduces operation and maintenance costs.

The utility model discloses a modularized sun gear disengagement device of a walking speed reducer for engineering machinery, relates to the technical field of transmission of engineering machinery, is used for solving the technical problem of tire locking caused by damage of internal parts in traditional maintenance engineering, and can realize quick decoupling and separation of a sun gear assembly when the walking speed reducer breaks down. According to the modularized sun gear disengaging device of the walking speed reducer for the engineering machinery, a spiral sleeve of a spiral sleeve locking module is matched with an end cover through trapezoidal threads, and the threads are fine threads; the anti-loosening system is provided with a clamp spring groove at the end cover, and a check ring for a hole is assembled in the clamp spring groove; the dynamic sealing assembly adopts an O-shaped sealing ring at the end cover and the spiral sleeve, and the O-shaped sealing ring is used for preventing oil leakage of a gear box in the speed reducer.

This invention discloses an adaptive pipe diameter changing mechanism, belonging to the field of pipe maintenance engineering technology. It includes two symmetrically arranged diameter changing units connected by a connecting unit. The connecting unit is equipped with a wheel assembly for pressing against the inner wall of the pipe to achieve movement. A driving mechanism is also provided between the two diameter changing units. Each diameter changing unit includes several diameter changing parts (first type) and diameter changing parts (second type) located on the side of the diameter changing parts (first type) away from the connecting unit. The connection method between diameter changing parts (first type) and diameter changing parts (second type) is as follows: the center of one diameter changing part (first type) is connected to the center of its corresponding diameter changing part (second type), and both ends of the diameter changing part (first type) are respectively connected to one end of two adjacent diameter changing parts (second type). The adaptive pipe diameter changing mechanism provided by this invention not only enables overall diameter changing but also adapts to relatively complex pipe environments, simplifying the structure and improving operational stability and reliability.

The invention discloses an electronic building quality defect insurance service method. According to the invention, site inspection is regularly carried out on the construction site through the third-party technical inspection service, construction cost control and risk prevention are carried out, construction engineering safety supervision and engineering quality detection are carried out, and new use requirements are found in operation period detection, so that engineering resources can be better utilized, and the engineering use efficiency can be improved. The intermediate detection can help an owner or a supervision mechanism to supervise the engineering construction quality, discover nonstandard behaviors in construction in time, correct and maintain the engineering quality, avoid accumulation and aggravation of quality problems in the construction process, ensure perfect construction of the engineering, and meet expected design standards and quality requirements; and engineering quality detection before acceptance also needs to carry out comprehensive detection on a construction site, including on-site safety and environmental problems, so that potential safety hazards in the construction engineering can be checked, and the safety and environmental protection in the engineering construction process can be ensured.

This invention discloses a high-precision robot for treating tunnel seepage, belonging to the field of tunnel maintenance engineering machinery technology. The robot includes a track-mounted mobile vehicle, an active anti-tipping mechanism, a six-degree-of-freedom robotic arm, a drilling device, a grouting system, a quick-assembly structure, and a vision scanning system. The track-mounted mobile vehicle achieves movement and positioning by walking on the tunnel track. The active anti-tipping mechanism uses adjustable support legs driven by worm gears to push the tunnel segments upwards, providing stable support against overturning. The vision scanning system performs global scanning and modeling through a first vision scanning unit and uses a second vision positioning unit for precise positioning of the work point. The six-degree-of-freedom robotic arm can quickly change the drilling device or grouting head through the quick-assembly structure, sequentially performing precise drilling and quantitative grouting operations. This invention achieves fully automated, high-precision, and continuous high-efficiency operation for treating tunnel seepage, effectively overcoming the shortcomings of manual treatment and existing equipment in terms of stability, accuracy, and efficiency.

The application relates to the field of civil aviation technology, and relates to a planned maintenance work cost evaluation method and system for a supplier SB / SIL. The evaluation method comprises the following steps: S1, establishing a basic cost motive identification database; S2, establishing an SB / SIL storage analysis database module; S3, calculating and measuring total cost; and S4, outputting a quantitative analysis suggestion report corresponding to whether an SB / SIL maintenance item is implemented. The evaluation system comprises a basic cost motive identification database module, an SB / SIL storage analysis database module, an algorithm matching accounting module and an evaluation report generation module. The planned maintenance work cost evaluation method and system for the supplier SB / SIL can improve the judgment accuracy of whether maintenance work is implemented by a planning maintenance engineering department of an airline, thereby being favorable to saving maintenance costs of the airline, avoiding safety hazards and improving the reliability and safety of airline operation.

The application discloses a kind of railway engineering operation and maintenance BIM model rapid modeling method, the method includes: according to the classification standard of extension IFD, with hierarchical state evaluation as the basis, railway engineering facilities structure is gradually split, component structure tree is established, the minimum component unit after splitting is parameterized modeling, the creation of group is completed, the group includes contour group and placement group;Import line center line related file, set endpoint mileage and elevation, complete the setting of center line;For the component of contour group to be arranged, the method of scanning or fusion combined with center line is used, and mileage information is set;For the component of placement group to be arranged, the method of arranging along center line is used, and position parameter is set;The attribute of corresponding component is set and each component is uniquely coded, to complete railway engineering operation and maintenance BIM model.