11results about How to "Advance smoothly" patented technology

The invention belongs to the technical field of deformation monitoring of pipe jacking operation, and particularly discloses a pipeline end deformation monitoring system for deep earthing long-distance pipe jacking operation. Defining external energy and internal energy of each contour unit of the butt-welded pipeline, and judging whether to carry out repair welding operation on each contour unit or not; judging whether to add a steel pipe support measure to each contour unit or not by detecting the shaft body inclination state and the shaft body ovality of each contour unit of the butt-welded pipeline; by determining the butt joint axial coordinate line on the contour of the shaft body of the butt-welded pipeline, the pipe jacking operation strength of the end of the pipeline to be subjected to butt welding is determined, and whether the soil body around the pipeline jacking path is reinforced or not is judged; potential deformation risks are found in time by judging the jacking operation deformation risks of the ends of the pipelines to be subjected to butt welding, and therefore preventive measures are taken before jacking operation.

The utility model discloses a liquid cooling unit propelling slide plate assembly solves the technical problem that liquid cooling unit is difficult to carry in long and narrow cabinet body, and propelling slide plate assembly includes support main part, pulley set and adjusting structure, the both sides of support main part are provided with inclined track groove, and the axle of pulley set is connected with large pulley through track groove, and support main part side surface is equipped with a plurality of small pulleys, adjusting structure drives pin through handle structure, and in turn drives connecting horizontal shaft, connecting vertical shaft and wheel connecting axle, makes the axle along inclined track groove remove, realizes the height adjustment of pulley set from the ground, the utility model discloses through the pulley cooperation inclined track groove of big and small, can adjust the height from the ground of liquid cooling unit flexibly, realizes the accurate positioning and safe carrying of propelling slide plate assembly drive liquid cooling unit in liquid cooling cabinet body, and effectively solves the installation problem of heavy liquid cooling equipment.

The invention discloses a preparation method of a loose body based on an optical fiber preform, and relates to the technical field of optical fiber processing. The method comprises the following steps: SS01, depositing a barrier layer by adopting an MCVD (modified chemical vapor deposition) process; sS02, multi-time deposition of a loose core layer is conducted through the MCVD deposition technology; sS03, preparing a doping solution containing rare earth ions and aluminum ions; sS04, off-line solution doping is carried out, and a vacuum pressurization alternate driving mode is adopted in the doping process. The porosity of the loose core layer is gradually reduced from inside to outside, a permeation resistance gradient is formed, the high porosity of the inner layer provides sufficient permeation channels, the low porosity of the outer layer plays a role of a barrier layer, rare earth ions are prevented from being adsorbed by the surface layer too early and exhausted in the doping process, and the rare earth ions are prevented from being adsorbed by the surface layer too early and exhausted through the forced permeation effect of vacuum pressurization alternate driving. Dissolved gas is discharged through vacuumizing operation after each stage of pressurization, space is vacated for next-stage permeation, and the rare earth ions are evenly distributed in the radial direction of the loose body.

The embodiment of the present invention discloses a model training method, a classification method and a device based on a hypergraph structure. The model training method based on a hypergraph structure includes: obtaining node features and hyperedge features in the hypergraph structure corresponding to the sample data; inputting the node features and the hyperedge features into the classification model to be trained to obtain the classification prediction results of the classification model for the sample data; adjusting the parameters of the classification model based on the classification prediction results, and iteratively training the adjusted classification model when the adjusted classification model does not meet the training conditions, until a trained classification model is obtained when the training conditions are met. Feature enhancement is performed on the input data and feature transmission parts, and accordingly, the trained classification model can alleviate the over-smoothing phenomenon and improve the robustness of the model.

The invention relates to the technical field of cable operation equipment, and particularly discloses a split type hydraulic tractor which comprises a bearing vehicle, a traction base is fixedly installed on the upper side of the bearing vehicle, a supporting frame is rotationally connected to the outer side of the traction base, a traction frame is rotationally connected to the outer end of the supporting frame, and a plurality of wire clamping traction mechanisms are arranged in the traction frame. The angle and horizontal height of the traction frame can be adjusted through the two sets of hydraulic cylinders arranged front and back, the equipment adaptation flexibility is expanded, a graded propelling structure of the wire clamping traction mechanism ensures stable propelling of a cable, sliding and damage are reduced through a front-back clamping structure, friction resistance is reduced, and the service life of the cable is prolonged. The problem that traction force is decreased progressively due to increase of the length of the cable is solved, traction efficiency is improved, energy consumption is reduced, the cable clamping traction mechanism supports convenient assembly, disassembly and maintenance, the equipment adapts to cables of different specifications due to the design of a sliding groove and a clamping groove, the universality of the equipment is improved, and the operation efficiency of the equipment for cable laying is also improved.

The utility model relates to the technical field of tower packing, and particularly discloses a tower structured packing propelling device which comprises a material pushing disc and further comprises a pushing mechanism used for pushing and moving the material pushing disc, the pushing mechanism comprises a first pushing assembly, a second pushing assembly is arranged on the first pushing assembly and fixedly connected with the material pushing disc, and the material pushing disc is provided with a pushing mechanism. A cavity is formed in the end face of the material pushing disc. Through the arrangement of a first pushing assembly and a second pushing assembly of the pushing mechanism, a first lead screw of the first pushing assembly rotates to push a first supporting frame and a second supporting frame to integrally drive a material pushing disc to move towards one side of filler, and after the filler makes contact with the material pushing disc, a worm and a worm wheel of the second pushing assembly rotate in a meshed mode; the worm wheel pushes the second lead screw to move towards the interior of the tower, the material pushing disc continuously pushes the filler into the tower under the support of the second lead screw and the guide column, the relative positions of the material pushing disc and the tower are fixed, the whole pushing process is stable, and the using process is simple and convenient.

The invention provides a bone cement remote injection device capable of rapidly replacing multi-model injectors and a using method thereof.The device comprises a medical injector, a connecting hose, a puncture needle, an injector body, a support and a base, the puncture needle is connected with the medical injector through the connecting hose to form an injection pipeline, the medical injector is clamped on the injector body, and the support is connected with the base through a connecting pipe; the injector main body has a pushing function and is used for pushing the tail part of the medical injector for injection; the injector body is fixedly connected above the support, the support is installed on the base, and the base is installed on the side edge of a standard operating bed. The medical injector and the injector body can be rapidly separated and replaced, and medical injectors of different specifications and models can be used in a matched mode.

The utility model relates to the technical field of wood processing, in particular to an automatic propelling device for wood processing, which comprises a working table, first open grooves with upward openings are symmetrically arranged at the top end of the working table, first screw rods are arranged in the first open grooves, first screw rod nuts are connected with a limiting frame, and a plurality of rotary drums are arranged in the limiting frame. A fixing rod is arranged in the rotating cylinder, a plurality of roller assemblies are arranged between the two first open grooves, a cutting machine is arranged at one end of the workbench, a second lead screw is arranged in the second open groove, a second lead screw nut is arranged outside the second lead screw, the second lead screw nut is connected with a push plate, and an electric telescopic rod is arranged at the bottom end of a supporting rod. By means of the structure of a lead screw, a lead screw nut, a limiting frame, a rotating cylinder, a fixing rod, a rolling wheel assembly and a push plate, the problems that in the device, wood is limited through a limiting plate, the limiting plate makes contact with the wood to hinder movement of the wood, and meanwhile the wood conveyed through a conveying wheel and a pulley is unstable and prone to deviation are solved.

The utility model provides a kind of plastic buckle with self locking bolt, belong to plastic buckle technical field, including fastener, the inside of fastener is provided with buckle assembly, the buckle assembly includes elastic plate, contact head and round corner one, the one side of elastic plate is fixedly installed with the inner wall one side of fastener, the front of contact head is fixedly installed with the back of contact head.The utility model is guided elastic plate to occur elastic deformation by the slope cooperation of round corner two and round corner one, realize the smooth sliding of clamping block, and the assembly process is simple and labor-saving, when the contact head is aligned by clamping groove, the contact head is accurately clamped into clamping groove using the rebound characteristics of elastic plate, the effect of preventing loosening can be achieved, the structure that round corner one is set on both sides of contact head is convenient to separate by again pressing elastic plate when disassembling, realize the convenient detachable function, and then overall structure combines buckle connection quickness and bolt anti-loosening reliability.

This invention proposes a ground cavity detection device and system. The detection device includes at least one set of transmitting and receiving devices installed on the inner side of the shield shell of a tunneling machine. Both the transmitting and receiving devices have hydraulic cylinders, connecting cylinders, and telescopic columns. The two ends of the connecting cylinder are connected to the hydraulic cylinder and the inner side of the shield shell, respectively. The end of the piston rod inside the hydraulic cylinder is located inside the connecting cylinder and connected to the telescopic column. The movement of the piston rod can drive the telescopic column to slide within the connecting cylinder, allowing the end of the telescopic column to extend outward or retract inward from the telescopic hole on the shield shell. The telescopic column of the transmitting device contains a sound wave transmitting module, and the telescopic column of the receiving device contains a sound wave receiving module. This invention overcomes the lack of a technical solution for detecting geology above the tunnel boring machine (TBM), achieving the purpose of detecting ground cavities. Based on the detection results, the TBM parameters can be adjusted in a timely manner to avoid the risk of ground collapse or subsidence, ensuring stable construction.

The utility model provides a building construction site detachable color steel plate enclosure which structurally comprises color steel plates, connecting structures, counterweight layers and connecting rods, the connecting structures and the connecting rods are arranged on the two sides of the color steel plates respectively, and the connecting rods and rod grooves are embedded to achieve connection between the color steel plates, so that the construction enclosure is formed, and the building construction site detachable color steel plate enclosure is easy to install and convenient to detach. By means of the smooth arc-shaped layer, the process that the connecting rod pushes the movable block into the small notch is smoother; the friction force between the movable blocks and the connecting rods is increased through the rubber layers, embedding between the connecting rods and the rod grooves is more stable, the balance weight layers are arranged at the bottoms of the color steel plates, and therefore it is further guaranteed that the enclosure defined by the color steel plates is more stable, and the safety coefficient of the enclosure is further improved.