8results about How to "High quality finish" patented technology

The invention provides a four-axis machining method for a deep and narrow V-shaped groove structural part. The four-axis machining method comprises the following steps that 1, the blade back side face and the blade basin side face of the deep and narrow V-shaped groove structural part are subjected to re-parameterization to obtain heavy-parameter curved surfaces; step 2, equidistant offset is carried out on the heavy parametric curved surface to obtain an offset curved surface; 3, discretizing the offset curved surface to obtain a discrete curve group; step 4, establishing a plurality of cutter swinging planes; step 5, generating a cutter shaft non-interference feasible region on any one cutter swinging plane; step 6, repeating the step 5 to obtain a cutter shaft non-interference feasible region on each cutter swinging plane; a cutter shaft motion control line is obtained; step 7, generating a cutter shaft extension ruled surface group according to the cutter shaft motion control line; and 8, generating a tool path file according to the extension ruled surface group of the tool shaft. The problem that in the finish machining process of an existing deep and narrow V-shaped groove structural part, a tool path without interference to the machining technology is difficult to generate is solved.

The invention relates to the technical field of well cementation automation and informatization, in particular to a well cementation automation remote monitoring system which comprises a remote well cementation control device, a sensor module and a communication module. Wherein the remote well cementation control device is used for collecting, processing and transmitting data and issuing instructions; the sensor module is used for monitoring various parameters in the operation process of the construction operation equipment in real time; the communication module is used for being connected with on-site construction operation equipment through a communication protocol, and real-time transmission of data and accurate issuing of a control instruction are achieved. According to the method, the safety of operation is remarkably improved, human risks are reduced, the accuracy and reliability of operation are ensured by means of high-precision monitoring and an advanced algorithm, meanwhile, efficient management of multiple well sites is achieved, the operation efficiency is greatly improved, and the operation cost is reduced.

The invention relates to the technical field of chip testing, and particularly discloses a method for repairing a sparse failure unit in a memory chip, which comprises the following steps of: 1, running a testing program by a chip testing machine, and acquiring the circuit information of the whole failure unit of the memory chip; the method comprises the following steps: firstly, distributing a repair scheme of a failure unit circuit in a preset area, and storing the residual sparse failure unit circuit into a hash table data structure; step 2, obtaining failure unit circuit information of all the storage chips obtained in the step 1, and constructing an adjacent matrix of a failure unit set; step 3, according to the adjacency matrix obtained in the step 2, allocating a repair scheme to the failed unit circuit; and 4, repeating the steps 2-3 until all data in the set are emptied, and obtaining a repair scheme of the whole memory chip. According to the invention, the usage amount of the standby circuit can be effectively reduced, and the product yield is improved.

The invention relates to a power transmission line project acceptance method, system and device based on an unmanned aerial vehicle, and relates to the technical field of power transmission lines. The method comprises the following steps: acquiring measurement task data for acceptance of a power transmission line, and determining target obstacle characteristics, target electromagnetic interference source position characteristics and target meteorological change characteristics of the power transmission line based on the measurement task data; determining flight control data of the unmanned aerial vehicle through a trained deviation value prediction model of the measurement result of the unmanned aerial vehicle based on the three characteristics; transmitting the flight control data to the unmanned aerial vehicle to control the flight state and the data acquisition state of the unmanned aerial vehicle; receiving flight path information returned by the unmanned aerial vehicle and a measurement result for the to-be-measured data, transmitting the flight path information and the measurement result to a visual terminal, and displaying an acceptance result of the power transmission line project in a map of the visual terminal; deviation in the measurement task execution process of the unmanned aerial vehicle for power transmission line acceptance is reduced, and the measurement accuracy is improved.

The invention relates to the technical field of intelligent wearable devices, and discloses a multifunctional guiding system applied to a human body intelligent wearable device, and the system comprises a geographic position scanning recognition module which is used for carrying out the scanning recognition of the geographic position of a user, and provides an optimal and most accurate walking route; the merchant appointment and real-time monitoring module is used for making an appointment with a merchant and knowing the dining condition of the merchant in real time; the tourist attraction dynamic monitoring module is used for knowing real-time dynamic information of each tourist attraction in real time through an AI system so as to avoid the peak period of people flow; and the weather and flight information monitoring module is used for knowing weather and flight information in real time through an AI system, reminding a user to avoid inconvenience in travel and automatically arranging convenient travel and cost budget. And the user is helped to avoid the travel peak period, so that congestion is reduced, and the comfort of travel experience is improved. And through the scenic spot recommendation unit, the user can obtain personalized tourism suggestions, so that the convenience and satisfaction degree of tourism are further improved.

The utility model provides a prefabricated concrete wallboard inclined bracing reinforcing structure, including the same structure bottom horizontal pattern steel sheet piece and vertical pattern steel sheet piece, both sides of prefabricated wallboard are provided with two inclined bracing bar pieces and support, and the one end of inclined bracing bar piece is connected with bottom horizontal pattern steel sheet piece, and the other end is connected with vertical pattern steel sheet piece, and the pattern of bottom horizontal pattern steel sheet piece is close to floor, and the pattern of vertical pattern steel sheet piece is close to prefabricated wallboard, prefabricated wallboard still is provided with embedded bolt, and the one end of embedded bolt projects prefabricated wallboard one side and passes through the bolt mounting hole of vertical pattern steel sheet piece on this side, and realizes fixed through nut tightness. The utility model can solve the problem of prefabricated wallboard embedded support piece leak or wrong embedding cannot reinforce and the problem of embedded support piece cannot exist because of construction problem or other reasons etc. to a great extent, ensures the high quality completion of construction, improves construction quality one time pass rate, effectively increases the security of structure.

A construction and methods of assembly and construction of boards, e.g. floor boards, are described. The boards have a peripheral connection arrangement for interconnecting of one board to another, a core layer e.g. made from a wood or fibre based material and a top layer applied to the core layer which may be decorative and may include or provide a wear layer. A further bottom layer may be applied to the underside of the core layer and is designed to be in contact with the floor or an underlay can be applied when in use. The connection arrangement includes interconnecting hooking tongues and corresponding catches which co-operate to produce both vertical and horizontal locking

The application belongs to the technical field of building machinery and equipment, and particularly relates to a diaphragm wall pouring device and a pouring method. The application is composed of a bearing main body, a rotation assembly, a concrete tank, a walking assembly, a balance supporting mechanism, a booster pump, a stirring mechanism, an industrial robot arm, a concrete pouring pipe, a laser infrared sensor and a PLC controller. The application solves the problems of low construction efficiency, unstable quality, continuous pouring of the concrete pouring pipe without entering the concrete by 30cm-50cm and other related problems, improves the pouring efficiency and quality, and is convenient to implement. The setting of the laser infrared sensor on the concrete pouring pipe can alarm when the pouring concrete exceeds the laser infrared sensor, and the PLC controller controls the upward contraction of the concrete pouring pipe, so that the embedding depth of the concrete pouring pipe is always maintained between 30cm-50cm. The setting of the concrete tank in the application enables the pouring process to continue, and ensures the quality of the pouring construction.