9results about How to "Low applicability" patented technology

The utility model relates to the technical field of protection block, disclose an improved A -level road guardrail is with prevent blocking block, including prevent blocking block body, prevent blocking block body rear end penetrates and is fixedly connected with backplate, the backplate rear end is equipped with preset hole, prevent blocking block body top front end fixedly connected with arc plate, prevent blocking block body front end is equipped with through -hole, prevent blocking block body front end is provided with first bolt. In the utility model, through the cooperation between prevent blocking block body, backplate, preset hole, stand, arc plate, through -hole, compared with the cost of reconstruction is saved, the traffic recovery benefit brought by construction period shortening, the safety protection level is promoted, reduces the accident risk, the sustainable development, promotes the applicability of resource -conserving construction city road, expressway etc. asphalt or cement additional paving road section, the potential market demand of road reconstruction project.

The utility model relates to the technical field of architectural design, in particular to an architectural design display wall poster mounting frame which comprises a disc and a mounting mechanism, the mounting mechanism comprises two groups of mounting assemblies and a supporting assembly, each group of mounting assembly comprises two gears and two groups of hanging pieces, and the supporting assembly is arranged on the disc. Each group of hanging pieces comprises a supporting rod, a screw rod, a rotating block, a hook, two limiting rings and a fixing piece, the two gears are fixedly connected with the disc and meshed with each other, the supporting rod is fixedly connected with the corresponding gear, one end of the screw rod is inserted into the supporting rod and is in threaded fit with the supporting rod, and the other end of the screw rod penetrates through the rotating block and is rotationally connected with the rotating block; the two limiting rings are arranged on the outer side of the lead screw in a sleeving mode, the hook is fixedly connected with the rotating block, the fixing piece is arranged in the middle of the supporting rod, through the arrangement, posters of different sizes can be conveniently hung, and therefore the applicability of the hanging frame is improved.

The application discloses a kind of face, block and point scale linkage flood warning method based on river forecast water level in plain area, according to the flood face scale early warning of plain representative site, for having face scale early warning area, using GIS technology and the spatial autocorrelation of plain area water level in flood forecast process, calculate submerged grid and depth, carry out block, point scale early warning.The method is a kind of simple, fast method.It includes the following steps: collecting plain area basic data;A kind of face, block and point multiscale linkage early warning mechanism;Compare regional representative site forecast water level and characteristic water level, dike elevation, and carry out face scale flood risk early warning;With face scale early warning area as unit, obtain regional forecast water level face data, generate the submerged grid and water depth of regional unit, and carry out block scale early warning;With face scale early warning area as unit, in combination with submerged face, submerged water depth and flood risk point data, utilize spatial analysis technique to carry out point scale early warning.

The application discloses a camera calibration method and device based on road features, which solves camera parameters by extracting road feature points on an image and corresponding world feature points. The extracted road feature points include first features (point features), second features (line features) and third features (surface features). For the second features and the third features, the application introduces feature parameters to describe the matching relationship between the image feature points and the world feature points. The camera parameters and the feature parameters jointly constitute the calibration parameters of the camera. The parameters are solved by a gradient optimization algorithm to complete camera calibration. The application overcomes the dependence of traditional calibration methods on matching point pairs, realizes a multi-dimensional calibration method based on point matching, line matching and surface matching, expands the application scenarios of the calibration method, and improves the accuracy and efficiency of camera calibration.

The utility model discloses an integrated shielded wire-to-board connector module, which relates to the technical field of connectors and comprises a seat body, the surface of the seat body is provided with a through hollow groove, two ends of the seat body are fixedly connected with limiting mechanisms, and the inner wall of the seat body is fixedly connected with a wiring terminal for wiring. When the device needs to be connected with more integrated shielded wires, the other device can be integrally in butt joint with the first device, the buckles of the two devices are clamped with the clamping grooves, the copper connecting plate is in contact with the copper butt joint plate, and due to the arrangement of the copper convex balls, when the wiring terminals of the two devices are connected, the copper convex balls can be clamped with the clamping grooves, so that the wiring terminals of the two devices can be connected with the copper butt joint plate. The copper convex ball extrudes the C-shaped bend of the copper plate, and the bending of the C-shaped bend after being extruded pushes the copper butt joint plate to be in close contact with the copper convex ball, so that the contact of the wire terminals between the two devices is realized, and the whole new device can be connected with more integrated shielding wires; the problem that an existing integrated shielded wire-to-board connector module is low in applicability is solved.

The application provides a glass curtain wall damage identification method and system, the method comprising: S1, a collection stage: applying a hammering excitation to a glass curtain wall, and synchronously collecting vibration response signals under the hammering excitation at multiple signal collection measuring points around the periphery of the glass curtain wall; S2, an analysis stage: processing the vibration response signals to calculate time-frequency energy and information entropy thereof; weighting and fusing the time-frequency energy and information entropy to obtain a damage evaluation index vector; S3, an identification stage: mapping the damage evaluation index vector to each signal collection measuring point to generate a damage distribution cloud map representing damage spatial distribution. The method of the application can evaluate the damage condition of the glass curtain wall by analyzing the vibration characteristics of the vibration response signals without disassembling or damaging the glass curtain wall components, can accurately and quickly locate the damage position, and provides a new way for monitoring the service safety of the glass curtain wall.

This invention belongs to the field of industrial water treatment technology, specifically relating to a system and method for simultaneous hardening and silica removal from high-salt, high-calcium wastewater. It includes a primary reaction unit, a primary sedimentation unit or a primary flocculation sedimentation unit, a secondary reaction unit, a secondary flocculation sedimentation unit, and a neutralization unit connected sequentially along the water flow direction. The primary reaction unit is a simultaneous hardening and silica removal unit using sodium sulfate / sodium aluminate, sodium sulfate / magnesium salts, or sodium sulfate. The secondary reaction unit is a dual-alkali hardening removal unit or a dual-alkali / magnesium salt simultaneous hardening and silica removal unit. This invention employs a two-stage synergistic hardening removal method of "sodium sulfate + dual-alkali hardening removal," combined with a silica removal process, to simultaneously achieve silica and hardening removal. By reducing the concentration of hardness ions and silica in the water in stages and in a targeted manner, it gradually controls them to the low levels required for deep treatment, thereby simultaneously shortening the process flow, reducing the footprint, and lowering the reagent costs during operation.

The invention relates to the field of industrial robot machining. The invention aims to provide the redundant drive parallel wall-climbing robot for grinding the surface of the large structural member so as to solve the problems of difficult machining operation and insufficient machining precision caused by complex actual machining scene. According to the technical scheme, the invention discloses a redundant drive parallel wall-climbing robot for grinding the surface of a large structural member. The six-degree-of-freedom parallel robot is characterized in that a six-degree-of-freedom parallel mechanism is arranged between the fixed platform and the movable platform; the six-degree-of-freedom parallel mechanism comprises four first branches which are connected in parallel. Each first branch comprises a first moving pair, a hooke joint, a second moving pair and a spherical hinge which are sequentially connected between the fixed platform and the movable platform; the movable platform is provided with a movable platform magnetic adsorption mechanism so that the stability of the movable platform can be improved when large complex parts are machined. A fixed platform negative pressure adsorption mechanism is arranged at the bottom end of the fixed platform so that adaptive adsorption can be conducted according to the surface shape of the large complex part during moving and machining.

The invention provides a high-voltage bushing partial discharge test device and method in an unshielded space. The device is characterized in that a shielding cavity assembly is filled with insulating gas; the two inner high-voltage electrode assemblies are arranged in the shielding cavity assembly; a shielding type high-voltage test power supply; the first ends of the first high-voltage lead assembly and the second high-voltage lead assembly are respectively connected to the shielding type high-voltage test power supply; the second end of the first high-voltage lead assembly and the second end of the second high-voltage lead assembly are connected with the two inner high-voltage electrode assemblies respectively. The first input end and the second input end of the differential measurement unit are respectively coupled to the tested casing pipe and the reference casing pipe, and signals of the two loops are acquired and compared. According to the invention, on-site balance method partial discharge measurement is realized through two bushings with similar capacitance, a traditional oil tank is replaced by a shielding cavity filled with an insulating gas medium, and an integrated test platform of two test bushings with similar capacitance, the shielding cavity filled with the insulating gas medium and a balance / differential measurement loop is constructed on an engineering site.