32results about How to "Reduce Design Changes" patented technology

A collision object discrimination apparatus for a vehicle has a bumper absorber, a bumper reinforcement member, a support member, a load detection unit and a control unit for discriminating a sort of object colliding with a bumper based on a load detected by the load detection unit. The load detection unit has a first end and a second end opposite to teach other. The first end is connected to the bumper reinforcement member and the second end is connected to the support member. Further, the load detection unit is disposed such that at least a part of the load detection unit is located inside of the bumper reinforcement member.

A vehicle air conditioner includes an air conditioning case, a blower fan for blowing conditioned air into a passenger compartment, and an evaporator disposed in the air conditioning case. The air conditioning case has a cooling opening upstream from the evaporator, so that at least inside air is blown by the blower fan to vehicle electronic units through the cooling opening. Thus, heat radiation of the electronic units can be facilitated by air blown from the blower fan. Further, because at least inside air, without being cooled by the evaporator, is blown to the electronic units, the electronic units can be prevented from being excessively cooled. Accordingly, it can restrict the surface temperature of the electronic units from reducing less than a dew point, thereby effectively reducing condensed water on the electronic units.

The invention provides a comprehensive pipe gallery information pre-warning system and method. The system comprises a strain sensor, a stress sensor, an earth pressure cell, a reinforcement stress gauge, a water pressure sensor, a water level indicator and a computer. A foundation soil layer pre-warning unit, a pipe gallery cushion layer pre-warning unit and a pipe gallery lining structure pre-warning unit are arranged in the computer. According to the comprehensive pipe gallery information pre-warning system and method, informatization of the construction process of a comprehensive pipe gallery is facilitated, and a three-dimensional information model of the comprehensive pipe gallery is established through parametrization design software. The comprehensive pipe gallery information pre-warning system and method have the characteristics of convenient modification, three-dimension visualization and accurate outputting of a construction drawing of the municipal comprehensive pipe gallery. In addition, the comprehensive pipe gallery information pre-warning system and method have an engineering anticipation warning function and can monitor all indicators of the comprehensive pipe gallery in the construction process and give pre-warning in real time through application in engineering, and thus constructors can adjust construction conveniently in time. Construction can be constructed by designers reasonably, drawing inspecting work is reduced, reworking and design change are reduced, site accurate construction is achieved, head room of the underground pipe gallery is ensured, and inspection and maintenance of the comprehensive pipe gallery during usage are facilitated.

The invention discloses a municipal pipeline construction method based on a BIM technology. The municipal pipeline construction method comprises the following steps of establishing the BIM models of all professional pipelines; performing the corresponding professional verification on the professional pipelines in the BIM models of the professional pipelines; integrating the BIM models of the various professional pipelines after verification; performing collision detection on the integrated pipeline BIM models, and detecting whether a collision point exists or not; if the collision point exists, optimizing and modifying the BIM models of the professional pipelines according to the condition of the collision point, and integrating the optimized BIM models of the professional pipelines; and repeating the above steps until no collision point exists in the integrated pipeline BIM models. According to the method, an optimal building construction scheme is obtained, the engineering risks areavoided, the pipeline construction process is optimized, the collision is reduced, and the efficiency is improved.

The invention provides an online operation management method and system based on a ship three-dimensional model and a terminal. The method comprises the steps: lightening a ship three-dimensional entity model newly built at a C/S fat client to acquire a light-weight three-dimensional model, and storing the light-weight three-dimensional model; receiving online management operation signals of one or more users from a B/S thin client, wherein the online management operation signals are used for carrying out online management on the lightweight three-dimensional model; wherein the online management operation signal comprises one or more of an online viewing operation signal, an online editing operation signal and an online cooperative communication operation signal. The problems that in the prior art, the requirement for field terminal application equipment is high, the application cost is high, and online cooperation between design and manufacturing cannot be achieved for a three-dimensional model are solved. Online cooperation between ship design and manufacturing is achieved, online communication between field manufacturing personnel and designers is supported, the design problem existing in the manufacturing field is rapidly solved, design change and manufacturing rework are reduced, and the production and construction cost is saved.

The invention relates to the technical field of structural design, and discloses a boiler steel structure space detection method based on NX three-dimensional design software. Includes the following steps: (1) establishing a boiler steel structure assembly structure tree and completing the establishment of the whole boiler steel structure solid model; 2, establish a main steel structure, a platform escalator and a maintenance structure in that coordinates of the whole steel structure solid model of the boil; 3, checking that correctness of the solid model of the steel structure; 4, carry out three-dimensional interference checking to judge whether it is qualified or not, and returning to that step 2 if it is unqualified; 5, carry out man-machine analysis on that three-dimensional space ofthe steel structure of the boiler, and return to the step 2 if the analysis result is unqualified; 6, for a three-dimensional space detection analysis report. A technical scheme of that invention adopt three-dimensional space interference inspection and three-dimensional space man-machine analysis, and modifies a model accord to the inspection structure, so as to improve the rationality of the design of the boiler steel structure, improve the work efficiency and reduce the design cost.

The invention provides a method and a platform for integration lean development of an automobile manufacturing process, which aim at solving the problems of isolated operation, unmatching and low working efficiency of the existing automobile manufacturing process. The method for the integration lean development of the automobile manufacturing process comprises the following steps of receiving the project starting information and the relevant accessory subsequent starting project; obtaining the output object requirement based on the project, as well as the plan developed and the worker information assigned according to the output object requirement, forming the plan project, and submitting for approval; providing the plan project management, the plan project monitoring, an updatable process knowledge base and a simulation tool for the worker to learn and complete the assigned work in the approved plan project; when the work of all workers in the plan project is confirmed and finished, finalizing the project. The method and the platform for the integration lean development of the automobile manufacturing process have the advantages that the overall optimizing on the existing isolated and unmatched automobile manufacturing process is realized, the downstream can smoothly carry out manufacturing and implementation, the cost is reduced, the development period is shortened, and the quality is more stable.

The invention relates to a BIM-based basement electromechanical modeling method, and belongs to the technical field of building modeling. The BIM-based basement electromechanical modeling method comprises the following steps: 1, data acquisition: recording and storing various data of a basement; 2, designing and rechecking: carrying out preliminary model design by using Revit according to a two-dimensional drawing made by CAD and each stored data; 3, collision inspection; 4, pipeline comprehensive optimization: based on a Revit platform, performing pipeline turning and elevation adjustment oneach professional pipeline; 5, positioning of a reserved hole: adding the reserved hole in the position of the through-wall and through-beam; 6, net height inspection: inspecting the clearance heightof the model after Revit is imported and pipeline comprehensive optimization is carried out; 7, deepened design and drawing: for the model imported into the Revit and subjected to pipeline comprehensive optimization, drawing a construction plane graph professionally according to floors; 8, designing and rechecking of the support. The BIM-based basement electromechanical modeling method has the advantages that all construction difficulties are eliminated in advance, and then the construction cost is reduced.

The invention discloses a calculating method for the vertical bearing capacity correction coefficient and the bearing capacity of an inclined steep slope bridge pile foundation. The method comprises the steps that firstly, the pile foundation bearing capacity influence degree [alpha]v under different slopes is calculated, and then the pile foundation side friction reduction coefficient [zeta]v iscalculated according to the pile foundation bearing capacity influence degree [alpha]v obtained in the first step, wherein [zeta]v=1-[alpha]v. After the obtained bearing capacity is multiplied by thecorrection coefficient, the vertical bearing capacity of the pile foundation is closer to the actual bearing capacity of a bridge pile foundation in an inclined steep slope region, and the occurrencerate of engineering accidents is avoided. After the correction coefficient is considered, the vertical bearing capacity of the inclined steep slope bridge pile foundation is more accurate, the designaccuracy can be improved in the pile foundation design, and design changes caused by uncertainty factors in engineering are reduced. After the correction coefficient is multiplied, the design of the pile foundation is closer to an actual value, the material waste is reduced, and the construction cost of the pile foundation is reduced.

The invention discloses a method for calculating the transverse bearing capacity correction coefficient and bearing capacity of an inclined steep slope bridge pile foundation. The method comprises the steps: firstly, the pile foundation bearing capacity influence degree alpha<H> (please see the specifications for the formula ) under different gradients is calculated, wherein H<0> in the formula represents the X-direction allowable bearing capacity of the pile foundation at a flat slope, and H<alpha i> in the formula represents the X-direction allowable bearing capacity of the pile foundation at the gradient of alpha i; and then according to the obtained pile foundation X-direction bearing capacity influence degree alpha<H>, the pile foundation X-direction bearing capacity reduction coefficient zeta<H> is calculated, wherein zeta<H> is equal to 1-alpha<H>. After the calculated bearing capacity is multiplied by the correction coefficient, the X-direction allowable bearing capacity of the pile foundation is closer to the actual bearing capacity of the bridge pile foundation in a steep slope area, and the incidence rate of engineering accidents is decreased.

The invention relates to a three-dimensional digital construction method for secondary equipment of a transformer substation. The method comprises the following steps: performing three-dimensional modeling on device-level secondary equipment according to appearance characteristics of the device-level secondary equipment to obtain a three-dimensional physical model of the secondary equipment of thetransformer substation; for the device-level secondary equipment, establishing and generating a substation secondary equipment digital information model according to position information and parameter information of the device-level secondary equipment; and correspondingly associating the transformer substation secondary equipment three-dimensional physical model with the transformer substation secondary equipment digital information model to generate a transformer substation secondary equipment three-dimensional digital model. According to the method, the requirement of secondary three-dimensional digital design of a power transmission and transformation project is fully considered, the advantage of a high three-dimensional visualization degree is exerted, and the construction efficiencyof the power transmission and transformation project is improved.

The drier table of washing machine consists of post column part, support part on the post column part, and buffering part between the post column part and the support part. The buffering part is made of block copolymer with hard blocks and soft blocks. The present invention has optimal column material and buffering material to reduce vibration effectively of both the drier and the washing machine through few altering in design and few increase in production cost.

The invention relates to the field of product data management. The invention provides a PDM system product design demand information acquisition method. The method comprises the following steps: acquiring multi-source data required by product design; generating a demand entry identification code; matching the product design demand information data and the demand entry identification code with thecorresponding product order; newly adding module input in a product design demand; generating design demand datasets, employing time-series arrangements, pushing to a corresponding designer; for the design demand data sets, generating multiple groups of feedback information data; generating a feedback information data set; and arranging and pushing to customers of corresponding orders according toa time sequence. According to the method and the system, specific designers can better understand exact information which can be expressed by the multi-source data; demand information loss caused byproduct design only according to the product static demand table or engineering change caused by demand information change is effectively reduced, unnecessary product design change is reduced, and then the product design efficiency is improved.

The invention provides a ship structure review submission and withdrawal management system and method and a computer readable storage medium, and the system comprises a management end which is used for receiving a three-dimensional model of a ship structure sent by a design end, lightening the three-dimensional model of the ship structure and making the same into a review submission work package, and submitting the review submission work package to a review end for review in a system; the review end used for receiving the review submission, displaying the three-dimensional model of the ship structure in the review submission work package, feeding back a review withdrawal opinion of the designer to the three-dimensional model of the ship structure, and generating a review withdrawal work package. The design end is used for positioning a problem part of the associated three-dimensional model in the modification opinion of the review end to the three-dimensional model of the original review submission design, automatically generating a review withdrawal problem list, modifying the review withdrawal opinion to a three-dimensional review submission model of a new version, and regenerating a new review submission version after the internal approval process is completed. The method is used for solving the problems existing in the ship structure review submission and withdrawal process based on the three-dimensional model.

The invention provides a telescopic pin which comprises a fixing cylinder and a telescopic pin body. The telescopic pin body is connected with the fixing cylinder in a sleeved mode, and the fixing cylinder is welded to a board card. According to the invention, the tinning rate of a connector is improved, so that the welding firmness is ensured, the connection universality is improved, the use of acustomized connector is reduced, the material purchasing cost is saved, the design change caused by too long or too short pins of the connector in research and development is reduced, and the research and development design cost is reduced. According to the telescopic pin, the design change caused by too long or too short connector pins in research and development is reduced, and the research anddevelopment design cost is reduced.

The invention puts forward a management method for a power grid engineering design company. Bid invitation, project implementation and review are analyzed in a game playing way, a new repeated game playing mode is put forward, and a design company which wins a bid for the first time is listed in a whitelist or a blacklist which represents a credit degree according to the qualification degree of the project. If the design company is listed into a credible whitelist, the design company is proved to own intelligence and abilities, and a second project can be qualifiedly finished by a bigger probability. The respective payment and earnings and the respective priority selection of an investment company and the design company in multiple times of game playing can be analyzed in a repeated game playing mode. In game playing statistics, a new design fee index value adopts a standard deviation method and is free from the influence of individual projects, and mean value index offset is avoided.By use of the management method for the power grid engineering design company, cooperation enthusiasm and credibility among companies can be improved, and investment companies can favorably managementand supervise the work of the design company for a long term through the design fee index value.

The invention provides a starting control method of a transmission system of a P2 framework. The size of a starting load is judged in an algebraic comparison mode of an accelerator opening coefficient and a gradient coefficient, when large-load sliding friction starting or crawling is needed, the rotating speed of a C0 clutch is firstly controlled to be within a certain range in a combined sliding friction mode of the C0 clutch and a C1 clutch, sliding friction of the C1 clutch is controlled by controlling the oil pressure of the built-in C1 clutch, it is guaranteed that the rotating speed of a motor is always kept above the rechargeable lowest running rotating speed, meanwhile, the sliding friction rotating speed of the built-in C1 clutch is controlled within a certain range, and therefore the sliding friction load is reduced, the starting/creeping requirements of the hybrid power transmission can be met under the condition that a built-in clutch structure of the transmission body C1 is not changed.

Provided is a fuel gas treatment device, which discharges fuel gas to a dynamic region of engine oil without a pump used for transporting the fuel gas, thereby enabling the fuel gas to dissolve in the engine oil. Fuel gas generated in a fuel tank (25) is guided into a crankcase (41) of an engine (E) from an opening part (173) of a fuel gas intake pipe (161) through a fuel gas intake pipe (161), and is accumulated in the engine oil inside the crankcase (41), in operation of the engine (E), the fuel gas is guided into an air suction pipe (51) from the engine oil through a purification passage (163), the fuel gas treatment device (160) has an oil tray (131) formed at a lower part of the crankcase (41) and used for storing engine oil, an oil suction inlet (136a) communicated with the oil tray (131) is formed at one end, an oil suction passage (136) communication with an oil pump (125) is formed at the other end, and the opening part (173) of the fuel gas intake pipe (161) is configured to be opposite to the oil suction inlet (136a).