20 results about "Engineering industry" patented technology

The invention relates to a replaceable sliding anti-seismic device of a steel spring vibration isolator, which is used on a building foundation with multiple requirements of vibration isolation and seismic resistance, and belongs to the civil engineering industry. A replaceable sliding anti-seismic device of a steel spring vibration isolator comprises an upper structure, an upper buttress, a lower structure, a lower buttress, a central circular steel tube concrete column, a trapezoidal slidable connecting plate, a replaceable energy dissipation structure, a connecting pin, the spring vibration isolator, a vibration isolation rubber pad, a leveling steel plate and a bolt. The spring vibration isolators are connected with an upper structure and a lower structure through bolts to reduce the influence of vibration and small seismic load on an upper building, the trapezoidal slidable connecting plate is used for connecting the central circular steel pipe concrete column and the lower structure, and under the normal working condition, the replaceable energy dissipation structure supports the building and achieves the energy dissipation effect under the seismic load effect. After an earthquake, the use function can be quickly recovered by replacing the energy dissipation structure, and the concept of multi-stage vibration isolation and earthquake resistance is achieved. According to the invention, the comprehensive performance of vibration isolation and seismic resistance of the building is greatly improved.

The invention relates to the technical field of artificial intelligence and engineering management, in particular to an intelligent review system for engineering industry documents based on a large language model, which comprises a multi-level review point library, a document access module, a document classification module, a large language model processing module and a review report generation module, the multi-level review point library is in four-level classification, covers review dimensions such as multi-service fields, professional classification, project stages and integrity, and provides review standards; the document access module supports multi-type document and multi-channel access; the document classification module performs automatic classification based on a BERT model of engineering corpus fine adjustment; the large language model processing module matches the examination point list, performs slice examination and outputs opinions; the review report generation module summarizes the opinions to generate a structured report, so that the whole-process intelligent review of the document is realized; according to the method, the problems of low efficiency, long time consumption of complicated documents, non-uniform standard and poor result consistency caused by difference of standard understanding of reviews in traditional manual review are solved.

The invention relates to the technical field of project file digital generation and management scheme design, in particular to a project file digital generation and management method and system and electronic equipment. The method comprises the steps of obtaining subitem project names of a target project; obtaining preset preposed data corresponding to each preset work task name of each subentry project; and generating a work file of each work task according to the obtained preset preposition data. The invention provides a comprehensive and systematic digital solution, and has the following remarkable beneficial effects of improving file quality, reducing personal errors, improving file generation efficiency, shortening a project period, optimizing version management, realizing whole-course tracing, supporting efficient cooperation of multiple persons, reducing communication cost, dynamically adapting to project requirements, and improving project quality. The method achieves the timely updating and maintenance of files, comprehensively covers the types of project files, meets the diversified demands, drives the decision through data, improves the project management level, promotes the digital transformation of the engineering industry, and improves the industrial competitiveness.

The invention provides a big data intelligent analysis early warning platform and method for the constructional engineering industry, and belongs to the technical field of building management, and the method specifically comprises the steps: determining the real-time update data of a concerned bidding company, and combining the distribution coincidence condition of the concerned bidding company in different constructional engineering projects to obtain the real-time update data of the concerned bidding company; determining that the prewarning processing strategy of the bidding company needs to be optimized; when the bidding company does not belong to the concerned bidding company, bid-winning project data of the bidding company is determined, and a data processing method of the bidding company is determined in combination with distribution data of associated bidding companies of the bidding company in different bidding projects; according to the invention, the data processing method and the project file are utilized to analyze and process the bidding risk condition between the bidding companies, and the early warning management method is determined according to the analysis data of the bidding risk condition of the bidding companies and the bidding risk identification data of the bidding projects of the bidding companies, so that the identification processing efficiency and reliability of the bidding risk are improved.

The invention discloses a fabricated energy storage battery cabin foundation structure and a construction method, and relates to the technical field of energy storage battery cabins. By arranging the prefabricated connectable foundations and the prefabricated connecting beams, drawing design can be carried out for independent modules of the battery compartment, and standardization of installation design of the battery compartment is facilitated; meanwhile, through factory block prefabrication production, the finished product is standardized, and the quality is controllable. The prepared prefabricated connectable foundation and the prefabricated connecting beam are adopted for assembly type construction, the operation requirement for hoisting equipment is lowered, meanwhile, the foundation construction period is greatly shortened, and the requirement for rapid commissioning of energy storage power station projects is met. Besides, after comprehensive evaluation of strength performance and load required by new application working conditions, the assembly type energy storage battery cabin foundation structure can be disassembled, recombined and recycled, efficient recovery of components and resource closed loop are achieved, and green and low-carbon transformation of the civil engineering industry of an energy storage power station is promoted.

The invention relates to a vibration isolation steel spring three-dimensional anti-seismic device which is used on a building foundation in a high-intensity area with frequent vibration. Belongs to civil engineering industry. A vibration isolation steel spring three-dimensional anti-seismic device comprises a lower connecting steel plate, a three-dimensional anti-seismic device body, a variable friction energy dissipation device, an upper connecting steel plate, a steel spring vibration isolator, an upper structure and a lower structure. The three-dimensional anti-seismic device is connected with the upper device and the lower device through upper and lower connecting steel plates and is mainly used for supporting an upper structure, isolating vibration and resisting seismic energy consumption. The problem that buildings in high-intensity areas have high requirements for vibration isolation is solved.

The application discloses a kind of based on artificial intelligence to building engineering industry knowledge graph construction method, obtains the unstructured file of building engineering industry, and according to unstructured file according to file type it is classified as image file or text file;Based on image file, by the mode of image processing, the logical relationship between entity and entity in each image file is obtained;Based on text file, by the mode of semantic recognition, the logical relationship between entity and entity in each text file is obtained;Based on the logical relationship between entity in image file and the logical relationship between entity in text file, constructs knowledge graph.The present application is based on the large amount of unstructured file of existing building engineering industry, using the mode of semantic recognition and image processing, carries out extraction to unstructured file, obtains unified logical relationship, and constructs knowledge graph based on these logical relationships, so that the constructed knowledge graph is perfectly fitted in building engineering industry.

FIELD: radio engineering industry; instrument engineering; aviation industry.SUBSTANCE: invention relates to lacquer protective compositions and can be used in the radio engineering industry, instrument engineering, aviation industry, and other sectors of the national economy for the anti-corrosion protection of aluminum, copper, iron, and their alloys. A lacquer composition is proposed, including 0.6-1.10 g / l of 50% butanolized melamine-formaldehyde resin K-421-02, 0.6-1.10 g / l pentaphthalic varnish “ПФ-060”, 0.78-1.05 g / l triethylamine, 15.8-16.5 g / l resin “BMA”-0120, which is a solution in isopropyl alcohol hydrolyzed a product consisting of a maleinated mixture of linseed and dehydrated castor oils, 0.025-0.03 g / l of manganese sulfate and water up to 1 liter.EFFECT: invention provides a protective composition capable of forming a corrosion-resistant transparent coating on the surface of metals, while reducing the amount of solvents in the composition.1 cl, 2 ex

The present invention discloses a plunger pump for use in the metallurgical engineering industry, comprising a plunger pump cylinder, the plunger pump cylinder comprising a base and a composite wear-resistant layer formed on the surface of the base; the composite wear-resistant layer comprising a high-wear-resistant ceramic material layer and a ceramic-based composite material layer serving as an interface transition layer; the ceramic-based composite material layer in the composite wear-resistant layer is prepared from epoxy resin, polysiloxane, reinforcing fiber, graphite powder, and a balance of ceramic matrix powder of the same material as the high-wear-resistant ceramic material layer as raw materials, while the high-wear-resistant ceramic material layer is formed by pressing ceramic powder into a blank after adding a sintering aid according to a required component ratio onto the surface of a primary dry-pressed blank, and then carbonizing and sintering after a secondary dry-pressing. The present invention can effectively improve the performance of plunger pumps in the metallurgical engineering industry in conveying media with uneven and high-hardness particles, improve their high-pressure delivery stability, and ensure the service life of the pump body.

The utility model relates to a solid-gas double-phase composite self-resetting viscous damper, and belongs to the civil engineering industry. A solid-gas double-phase composite type self-resetting viscous damper is characterized by comprising an outer sleeve, a top connecting piece, a piston rod, a piston type damping plate, a first reset spring, a second reset spring, an outer barrel, a movable pressing plate, a bottom connecting piece, a rubber sealing ring, a damping liquid containing cavity, a gas containing cavity, viscous damping liquid, inert gas and an outer barrel top cover. The piston rod penetrates through the top cover of the outer barrel from top to bottom and is welded to the piston type damping plate, and the movable pressing plate divides the interior of the outer barrel into a damping liquid containing cavity and a gas containing cavity. Aiming at the current situation that an existing viscous damper is too large in residual displacement and lacks a self-resetting function, the utility model provides the self-resetting composite viscous damper which realizes damping and energy consumption of a damping medium and resetting of a gas medium and a spring, so that the service life of the self-resetting viscous damper can be greatly prolonged, and the energy dissipation and shock absorption effects of the self-resetting viscous damper can be greatly improved.

The invention is directed at the mechanical engineering industry field. More in detail, the invention concerns an orbital welding head (1) for welding tubes (2) to tube plates (3) of heat-exchangers comprising, operationally connected to each other: an electrode holder welding torch (4), supply lines for a welding current and technical gases; a rotating joint (6) comprising a hollow fixed distributor body, a bush comprising an external thread adapted to cooperate with a corresponding internal thread of said fixed distributor body and adapted to be fitted on a rotating shaft, and a plurality of flexible blades adapted to deform elastically to ensure the contact and transmission of the welding current from said fixed distributor body a said rotating shaft. Said flexible blades each comprise a first and second end, where each first end protrudes axially from said bush and each second end is free, so as to be cantilevered with respect to said bush to elastically clamp said rotating shaft.

The present application relates to the field of geotechnical engineering in civil engineering industry, and particularly relates to a kind of red layer mudstone bionic super-hydrophobic disintegration-resistant roadbed structure.S1, raw materials are stirred to prepare bionic hydrophobic modified red layer mudstone filling, S2, the embankment is filled and reinforced in the first layer, the second layer, the third layer, and covered with geomembrane to obtain a hydrophobic roadbed, S3, the embankment slope is filled and sprayed with the prepared hydrophobic modified composite solution, and after compaction, self-heating drying, a super-hydrophobic structure red layer mudstone roadbed is obtained.The bionic super-hydrophobic disintegration-resistant roadbed structure of the red layer mudstone designed in the present application can better inhibit the infiltration of capillary water into the red layer mudstone compared to the traditional process, thereby preventing the red layer mudstone from absorbing water, softening and disintegrating, and has outstanding advantages, and is suitable for industrial application.

The invention provides a combined steel support for restraining horizontal convergence of a shield tunnel and an installation method, and relates to the technical field of tunnel construction in the civil engineering industry. The device comprises a plurality of ring support supports and a horizontal support, the ring support supports are sequentially spliced to form an arc-shaped frame body with a notch, the horizontal support is located at the notch of the arc-shaped frame body, and the arc-shaped frame body is connected with the horizontal support. The outer wall of the arc-shaped frame body is attached to the bottom and the two side areas of the lower-layer shield tunnel, a gap exists between the horizontal support and the upper end of the lower-layer shield tunnel, and the horizontal support is horizontally arranged in the lower-layer shield tunnel.

The application belongs to the field of construction waste treatment and recycling, and relates to a construction waste improvement production device and a production process thereof. The construction waste improvement production device comprises a feeding belt conveyor, a single-layer screen, a first iron remover, a first polymer adding device, a vibrating screen, a feeding belt, a picking belt, a continuous improved soil stirring device and a secondary vibrating screen. Through a series of treatments on engineering waste soil and abandoned soil, qualified materials applicable to road surface construction are produced, the improved soil can meet the requirements of roadbed fillers of part of low-grade roads, the abandoned waste soil is reused, the problems of engineering waste soil and abandoned soil treatment are solved, and the resource utilization rate is improved. Through the method, the abandoned waste soil is transformed into fillers applicable to road construction, a scientific comprehensive resource utilization mode is formed, the problem of abandoned waste soil treatment is solved, and the green and sustainable development of the engineering industry is further promoted.

The invention discloses a floor grinding, floor paint coating and basement parking space marking robot and method. The robot comprises a chassis part; the floor grinding part is mounted at the front end of the chassis part; the split-flow storage barrel part is mounted in the middle of the chassis part and used for providing liquid for the floor paint coating part and the scribing part; the floor paint coating part is mounted at the rear end of the chassis part and comprises a coating supporting platform connected with the chassis part, an up-and-down moving slide way mounted on a reaction frame vertically arranged on the coating supporting platform, and a coating roller mechanism connected with the up-and-down moving slide way through an adjusting mechanism; and the scribing parts are mounted on the two sides of the chassis part and used for scribing the basement parking spaces. The robot has the integrated floor grinding and floor paint coating functions and further extends to basement parking space lineation, multiple functions in an engineering project can be completed on one robot, and the development requirements of the engineering industry are met.

This invention discloses a method for identifying element information in BIM files, comprising the following steps: Step 1, identifying engineering information in BIM information files; Step 2, identifying element information in BIM information files, i.e., matching engineering information with elements in model files; The mounting system of this invention includes a model import module, an element information identification module, and an element information mounting module; This method and system can import elements from exported 3D model files into current 3D design software platforms in the civil engineering industry, and can parse BIM information files, effectively reading the model and engineering information in BIM information files, and transmitting them completely to other platforms.

The invention discloses an engineering project approval data core index question-answering method, system, device and medium, and belongs to the technical field of engineering industry large model application development. An engineering project term table and an engineering project entity knowledge base are established; the method comprises the following steps: creating a core index structured database table by using DDL, compiling example SQL statements to form a problem SQL example library, carrying out parallel retrieval on an engineering project term table and an engineering project entity knowledge base by adopting a mixed mode of vector similarity, BM25 keywords and knowledge graph retrieval on natural language problems, and carrying out reordering, fusion and scoring to obtain most relevant terms and entities, so as to obtain a final product. The method comprises the following steps: solving a splicing reconstruction problem, extracting a target data table name and a field name, retrieving an example library to obtain an SQL generation template, integrating, inputting a large language model to generate and execute an SQL, concluding and analyzing an execution result, generating natural language analysis content and visual suggestions, and solving the problems of fragmentation of engineering project index acquisition, difficulty in data tracing and the like.

The invention relates to a self-resetting-multi-stage plate type friction energy dissipation support assembled with spiral steel springs, and belongs to the civil engineering industry. A self-resetting-multistage plate type friction energy dissipation support assembled with a spiral steel spring is characterized by comprising two parts, namely an energy dissipation system and a self-resetting system, and the energy dissipation system and the self-resetting system are connected through a connecting rod. The energy dissipation system comprises a fixing plate, an outer baffle I, an outer friction plate, an inner sliding plate, a friction plate I, a friction plate II, a pressure bearing plate and an inner connecting plate. The self-reset system comprises a spring base plate, a spring set, an outer baffle II, an outer baffle III, a connecting rod, an outer sliding plate and an outer connecting plate. Slotted holes are formed in the outer steel plates, so that bolt pre-tightening force can be conveniently applied; the two ends are connected through pin shafts, and on-site installation is convenient. A friction plate I is arranged between the outer friction plate and the inner sliding plate, a friction plate II is arranged between the pressure bearing plate and the inner sliding plate, and multi-stage energy consumption can be achieved by placing the pressure bearing plate and the friction plate II into strip-shaped holes with different lengths in the outer friction plate. The self-resetting system adopts a combined spiral steel spring, has larger rigidity and compression height, and can meet the requirements of larger stroke and resetting rigidity. The invention provides a self-resetting-multistage plate type friction energy dissipation support assembled with a spiral steel spring to solve the problems that an existing friction damper is large in residual deformation and single in energy dissipation mechanism, and an existing self-resetting system adopts disc springs, prestressed tendons, shape memory alloys and the like, so that prestress loss exists, the working mechanism is complex, and the temperature is sensitive. The shock-absorbing and energy-dissipating device is simple in structure, convenient to install, multi-stage in energy dissipation, small in residual deformation, capable of achieving self-resetting and capable of meeting shock-absorbing and energy-dissipating requirements and self-resetting function requirements of different structures.

The utility model discloses a kind of buried water meter and ground backflow preventer group, belong to municipal engineering industry pipeline technical field, including gate valve well, water meter well and backflow preventer group;The gate valve well and water meter well are all arranged below ground;The backflow preventer group is arranged on ground;Gate valve well and water meter well are respectively provided with meter front gate valve, water meter;The backflow preventer group includes backflow preventer;Meter front gate valve, water meter and backflow preventer are sequentially communicated by pipeline.The utility model of a kind of buried water meter and ground backflow preventer group can effectively solve the water meter well in prior art in construction site setting Because well room size is not enough, cause water meter before and after straight pipe length is not enough to lead to water meter measurement accuracy is not enough and other problems.

The utility model relates to the technical field of under-pressure operation in the petroleum engineering industry, in particular to a balance pressure relief device special for under-pressure operation of an under-pressure operation machine, which comprises a channel I, a channel II and a pipeline, the outer wall of the other side of the first flange four-way joint is fixedly connected with a first gate valve, the outer wall of the other side of the first gate valve is fixedly connected with a second flange four-way joint, the outer wall of the other side of the second flange four-way joint is fixedly connected with a second gate valve, the outer wall of the other side of the second gate valve is fixedly connected with a first temperature and pressure measuring sleeve, and the number of the second channels is two. According to the multi-channel throttling pressure relief valve, fluid can flow for pressure relief only through the first channel by opening the first gate valve and the second gate valve and closing all the gate valves in the two second channels, when flow division is needed, flow division can be achieved by closing the first gate valve and the second gate valve and opening the third gate valve, the fourth gate valve and the sixth gate valve, and the multi-channel throttling pressure relief effect is achieved.