42results about How to "No structural impact" patented technology

The invention relates to a way to prepare carbon foam by aryl acetylene metamer which relates to the preparing technology of carbon foam. The way includes the following steps: choosing the material, the ratio (by weight) of meta-ethynylbenzene to para- ethynylbenzene is 5:2 and the purity is larger than 90-94%; adding blowing agent (skellysolve A) and foam-distributing agent; heating and stirring the solution; adding curing agent (sulphuric acid) and keep on stirring at constant temperature; blowing up the solution during solidifying process to get part of the solidified foam; cleaning the mentioned foam to remove the blowing agent and foam-distributing agent; classifying and completely solidifying the foam, the solidifying procedure includes the following steps: drying at 120 Deg C for 2h; drying at 150 Deg C for 2h; drying at 180 Deg C for 2h, drying at 200 Deg C for 2h and post-treating the foam at 350 Deg C under the atmosphere of nitrogen for 4h to get poly-aryl acetylene foam; heating under nitrogen atmosphere from room temperature to 900 Deg C at a speed of 10 Deg C / min while keeping the temperature for 180min to carbonize the foam; cooling the foam to room temperature to get carbon foam. The invention requires simple technologies and devices and has also solved the problem of poor mechanical function and hard to control the structure of the foam products.

The invention discloses a digital watermarking method capable of resisting a printing scanning attacks based on fused fonts. The method specifically comprises the following steps: constructing a common Chinese character font library and a Chinese font library; Determining a font of the target document; Carrying out style migration on the source font picture and the target font picture of the Chinese characters in the common Chinese character library through the CGAN to generate a new font picture set; Screening the new font picture set to prepare a font image library; And according to the to-be-embedded information, finding out a target new font picture from the font image library, and replacing the to-be-replaced Chinese character in the original document. According to the method, different fonts are fused, the fonts most similar to the original document fonts are selected for Chinese character replacement, multi-bit information can be embedded into one Chinese character, the watermark information amount hidden in one document is greatly increased, and the problems that robustness is poor, the capacity is small and the like due to the fact that digital watermarks are added in a space domain in the prior art are effectively solved.

The invention relates to a large formwork narrow space wall body construction method based on integral assembly. The large formwork narrow space wall body construction method is characterized in thatan outer side formwork is provided with built-in bolts connected with split bolts; pressure dispersion plates are arranged outside the built-in bolts; pull rod connecting plates are arranged outside the outer side formwork; first supporting ribs are arranged between first supporting rib limiting grooves and second supporting rib limiting grooves. Second supporting ribs are arranged between a second stand column and a first stand column; a load bearing plate, an inclined support and a pull rib are arranged between the column foot of the first stand column and the floor; longitudinal limiting bodies are arranged at connecting positions of the second stand column, an inner side formwork and the floor; a plate bottom limiting body is pre-arranged in a poured concrete wall body; a flexible filling layer is arranged at the connecting position between the outer side formwork and the plate bottom limiting body; a longitudinal outer support is arranged between the outer side formwork and the adjacent outer side wall body; and the outer side formwork is disassembled by a sliding formework guide bracket. Wall formwork arranging and disassembling efficiency is improved, formwork arranging quality is improved, and material utilization ratio is improved.

The invention discloses a method for optimally designing buckling restrained braces and a brace structure system, which comprise steps: the sectional area of a core material which is arranged on a small shear force position is properly cut down when a common brace is selected, buckling restrained braces are distributed, the elasticoplastic deformation and energy dissipation mechanism of brace structure systems of the buckling restrained braces are checked under the actions of middle earthquake and major earthquake by adopting a nonlinear time history analysis method, the buckling restrained braces which are not yielded under the action of the major earthquake are replaced to be common braces according to a equivalent rigidity principle, and the common braces are distributed and the like. The method for optimally designing the buckling restrained braces and the brace structure system can optimally select sectional areas of the core materials of the buckling restrained braces according to born story shear force, enables the buckling restrained braces to be main energy-dissipation components, correspondingly guarantees safety of other parts of structures, and improves global seismic capacity of the structures. Simultaneously, the method for optimally designing the buckling restrained braces and the brace structure system can save cost, and is beneficial for application and popularization of the buckling restrained braces.

The invention relates to a flexible track split pushing and sliding construction method, which comprises the following steps: (1) a track girder is arranged on a support pole: a bearing track is fixedly arranged on the support pole and a pushing track is arranged at the two sides of the bearing track; (2) a high level sliding is carried out to a sliding structure: the sliding structure is arranged above the bearing track and the bottom of the sliding structure directly contacts with the upper surface of the bearing track; a drive equipment is arranged on the pushing track and connected with the sliding structure; the drive equipment is started and the pushing-sliding structure slides in place on the bearing track; (3) the track girder is resected from the support pole and the support poleis fixedly connected with the sliding structure and then the construction is finished. The construction equipment of the invention comprises the bearing track, the pushing track and the drive equipment, wherein, the pushing track is arranged at the two sides of the bearing track to form a split track; one end of the drive equipment is connected with the pushing track and the other end thereof is connected with the sliding structure.

The invention discloses a method and system for supervising public accumulation fund data, belongs to the technical field of compliance management of public accumulation fund and provides a compliance information management system of the public accumulation fund for integrating information of different industries in different regions and carrying out peripheral supervision and remote data disaster recovery. In a scheme adopted in the invention, the method for supervising the public accumulation fund data comprises the following steps of: firstly, carrying out real-time compliance detection on a data format input by a public accumulation fund service machine by using a service-grade compliance manager; secondly, transmitting the data to a public accumulation fund compliance manager and a public accumulation fund server by the service-grade compliance manager and monitoring and intercepting the transmitted data by a network-grade compliance manager; thirdly, collecting the saved data by the public accumulation fund compliance manager at fixed time to generate service management information; and fourthly, transmitting the service management information to a public accumulation fund supervision platform for unified supervision by the public accumulation fund compliance manager. The method and system are used for supervising public accumulation fund services.

The invention provides a smart load system and a smart load implementation method based on radio frequency link coupling access. The system comprises a user radio frequency front end, a feed radio frequency front end, analog-to-digital conversion units, digital-to-analog conversion units, a return link channel processor, a forward link channel processor, a shunt, a combiner, a main function processor, and an auxiliary function processor. According to the invention, the auxiliary function processor bearing temporary tasks can be integrated with the main function processor when not being involved in earlier-stage overall design, and can complete independent tests concurrent with tests of the main function processor, so that the flexibility of the smart load integration solution is improved and the requirement of develop processes for concurrency is met.

The invention relates to a method and a system for supervising accumulation fund service grade data, and belongs to the technical field of accumulation found compliance management. In order to solve the problem, an accumulation fund compliance management system capable of arranging information in different industries and different places and performing periphery supervision and remote data backup on the information is provided. The method for supervising the accumulation fund service grade data comprises the following steps of: 1, performing real-time compliance detection on a data format input from a service grade compliance manager to an accumulation fund service machine; 2, transmitting the data in a memory to an accumulation fund compliance manager by the service grade compliance manager; 3, duly accumulating the stored data by the accumulation fund compliance manager and generating service management information; and 4, transmitting the service management information by the accumulation fund compliance manager to an accumulation found supervising platform and uniformly supervising the service management information. The invention is used for supervising the accumulation found service.

The invention discloses a loop sleeve type elastic metamaterial structure with low-and-medium-frequency vibration reduction characteristics. According to the structure, a bottom surface is arranged on one side of a solid circular ring structure; a plurality of layers of circular rings are periodically arranged on the bottom surface along the radius direction of the solid circular ring structure from inside to outside; a trunk part is arranged in the innermost circular ring; four wedge-shaped blocks are arranged on the outer side of each layer of circular ring at intervals; the trunk part is connected with the wedge-shaped blocks on each layer of circular ring through four columnar structures to form a radial elastic structure; and the radial elastic structure extends outwards from the circular ring at the innermost layer and is connected with the side wall of the circular ring at the outermost layer to form the loop sleeve type elastic metamaterial structure with the low-and-medium-frequency vibration reduction characteristics. The radial elastic structure and the solid circular ring structure are connected to form a partially hollow structure, so excellent vibration reduction characteristics can be provided in low-and-medium-frequency environments.

The invention discloses a steel strand inhaul cable tension construction method by taking a slip-resistant stud as a locking device. When one side, with the slip-resistant stud, of each steel strand is tensioned, the side, without the slip-resistant stud, of the steel strand is tensioned as well, the tensioning force applied on the side with the slip-resistant stud is always kept larger than that applied on the side without the slip-resistant stud, and the difference between the tensioning force on the two sides is as 1-2 times as actually measured frictional resistance; when the side, with the slip-resistant stud, of each steel strand is tensioned to reach monitored target cable tensioning force fc, anchoring is performed firstly, the tensioning force fk of the side, without the slip-resistant stud, of the steel strand is decreased to target cable tensioning force, and then anchoring is performed again to finish the tension construction of the steel strand inhaul cable. The steel strand inhaul cable tension construction method by taking the slip-resistant stud as the locking device has the advantages that a mounting method is optimized, cable force, on two outer sides of a tower column, of each steel strand is enabled to be identical, the slip-resistant stud is enabled to be tightly attached to the tower column and to be provided with enough pressure storage, internal force, on two sides of the tower column, of each steel strand is enabled to be identical, safety of the integral inhaul cable is improved, locking force of the slip-resistant stud is more reliable, on-site construction is facilitated and less prone to going wrong, and ultra-tensioning-force is prevented from affecting the integral structure largely.

The invention discloses a method and a device for measuring a cable force. The device comprises a pin shaft and an ear plate, wherein an axial through hole is arranged in the axial axle wire of the pin shaft, two ends of the axial through hole are respectively and symmetrically provided with a transmitting end and a receiving end of an optical measurement system, a measurement plane of the optical measurement system is coplanar with the axial axes of the pin shaft and the action direction of load, and the ear plate is provided with a limit device to be connected with the pin shaft. On the basis that the pin shaft has the characteristics of being even in material and completely and linearly elastic under the stress state, the cable force of an inhaul cable is confirmed by the measurement of the tinny deformation of the pin shaft of a connecting node under the action of the cable force and the linear relationship between the cable force and the deformation. The method and the device provided by the invention are nondestructive testing technologies, thereby being wide in application range.

The invention provides a public accumulation fund business-level compliance manager, belongs to the technical field of public accumulation fund compliance management. The invention aims to provide a field public accumulation fund business-level compliance manager which can perform real-time business data collection and management on field business handling in the industry on the conditions of different industries or different regional policies so as to realize peripheral supervision to the industry or the system. The invention adopts a technical scheme that: the manager comprises an industrial mainboard, a data transmission unit (DTU), a switch and a general power; in the industrial mainboard, a central processor is electrically connected with a data collection interface, a memory, a transmission interface and a first power supply respectively; in the DTU, a second power supply is connected with a receiving serial port and a data transmission device; and in the switch, a third power supply is connected with a first port, a second port and a third port respectively. The public accumulation fund business-level compliance manager can be applied to peripheral supervision of public accumulation fund business.

The invention belongs to the field of steel structure construction, and particularly relates to an offset lifting slip device and method. A lifting supporting frame is arranged on a structure main body steel column; an assembled jig frame is erected on a floor, and main body roof trusses are assembled into an overall structure; the overall roof trusses are lifted to be arranged below a load-bearing track beam; hydraulic jacking and pushing driving equipment is connected with a lifting load-bearing beam through a pin shaft, the hydraulic jacking and pushing driving equipment is started, and thelifting load-bearing beam is jacked and pushed to slip to a calculated elevation on the load-bearing track beam; and four jacks are used on the structure main body steel column for jacking lower chords of the roof trusses, a lifter equipment device is shut down, all the jacks unload the main body roof trusses in place in synchronous and in-step modes, and the main body roof trusses and the structure main body steel column are fixedly connected, so that construction is completed. According to the offset lifting slip device and method, working at heights is reduced, safety is improved, the efficiency is high, and the cost of measures is saved.

The invention relates to a large formwork narrow space wall body construction method based on integral assembly. The large formwork narrow space wall body construction method is characterized in thatan outer side formwork is provided with built-in bolts connected with split bolts; pressure dispersion plates are arranged outside the built-in bolts; pull rod connecting plates are arranged outside the outer side formwork; first supporting ribs are arranged between first supporting rib limiting grooves and second supporting rib limiting grooves. Second supporting ribs are arranged between a second stand column and a first stand column; a load bearing plate, an inclined support and a pull rib are arranged between the column foot of the first stand column and the floor; longitudinal limiting bodies are arranged at connecting positions of the second stand column, an inner side formwork and the floor; a plate bottom limiting body is pre-arranged in a poured concrete wall body; a flexible filling layer is arranged at the connecting position between the outer side formwork and the plate bottom limiting body; a longitudinal outer support is arranged between the outer side formwork and the adjacent outer side wall body; and the outer side formwork is disassembled by a sliding formework guide bracket. Wall formwork arranging and disassembling efficiency is improved, formwork arranging quality is improved, and material utilization ratio is improved.