13results about How to "Reduction procedure" patented technology

The utility model discloses a bridge frame pre-embedded connecting structure based on BIM technology, which comprises at least one connecting structure unit, and the connecting structure unit comprises two pre-embedded sections, a top plate, a bottom plate, an upper bridge frame and a lower bridge frame; the two embedded sections are respectively arranged in the top plate and the bottom plate; the embedded section comprises a base which is a square pipe fitting, and an upper connecting plate and a lower connecting plate are arranged at the upper end and the lower end of the base respectively. Connecting holes are formed in the upper connecting plate and the lower connecting plate; the side faces of the two ends of the upper bridge frame and the lower bridge frame are respectively provided with a screw hole used for passing of a crossing grounding wire. The screw holes are provided with guiding pieces used for guiding the crossing grounding wire. Fasteners used for arranging lines are arranged in the upper bridge frame and the lower bridge frame. The utility model solves the technical problems that the pre-embedding construction cost of the bridge frame is high, the template is not easy to process and the like.

The utility model relates to the technical field of workbenches, in particular to a fixed welding workbench with a magnetic adsorption fixing function, which comprises a table top, an electromagnetic plate and a fixing block, the electromagnetic plate is fixedly connected below the table top, a first fixing plate is fixedly connected on one side of the electromagnetic plate far away from the table top, and a second fixing plate is fixedly connected on the other side of the table top. The connecting plate is fixed to the supporting plate through the fixing bolts, a workpiece can be placed on the first fixing plate and the second fixing plate, the fixing blocks are embedded into the corresponding fixing grooves according to the corners of the workpiece, the magnetic blocks in the fixing grooves can tightly attract the fixing blocks, and the four fixing blocks are sequentially placed into the corresponding fixing grooves. By means of the mode that the large-size workpiece is positioned through the multiple fixing blocks, the procedure of fixing the workpiece through an external clamp is reduced, and the machining efficiency of workers is improved.

The invention belongs to the field of electric power, and particularly relates to a short-term and long-term combined electric power iron tower building method, a strain iron tower is newly built in the early stage of short-term relocation and transformation, the strain iron tower is provided with multiple layers of cross arms, each layer of cross arms comprises two short-term wire lapping cross arms and long-term wire lapping cross arms, the short-term wire lapping cross arms and the long-term wire lapping cross arms are arranged in a crossed mode, and the short-term wire lapping cross arms and the long-term wire lapping cross arms are arranged in a staggered mode. During long-term relocation and reformation, a new tower is not needed, and butt joint and fire connection with an original line are directly carried out. According to the short-term and long-term combined electric iron tower building method, short-term switching and long-term reconstruction schemes of transformer substation lines are combined, repeated utilization of the towers of the lines under construction is considered, repeated tower erecting is avoided, related procedures of planning departments are reduced, and the construction period is shortened.

The utility model relates to a detachable connecting structure of a scraper bucket machine and a mining surface conveyor, the detachable connecting structure comprises a positioning plate, a supporting plate and a baffle plate, the positioning plate is a horizontally arranged flat plate, the positioning plate is longitudinally arranged on one side of the rear part of the mining surface conveyor in a sliding manner, a plurality of sliding chutes are arranged on the upper surface of the positioning plate, and the baffle plate is arranged on the supporting plate. The supporting plate is arranged on the bottom face of the scraper bucket machine, a plurality of sliding strips are arranged on the lower surface of the supporting plate, the sliding strips are sleeved with the sliding grooves in a sliding mode, universal wheels are arranged at the four corners of the lower surface of the supporting plate, and the baffle is detachably arranged on the side, away from the mining face conveyor, of the positioning plate. The utility model aims to solve or at least alleviate the problem that the labor intensity is high when the scraper bucket machine and the mining surface conveyor are moved separately, and provides a detachable connecting structure for the scraper bucket machine and the mining surface conveyor.

The utility model discloses a CNC tool capable of turning over and simultaneously machining a plurality of workpieces, which comprises four shafts, a tool bottom plate is mounted on the four shafts, supporting units and hard limiting units which are uniformly distributed are arranged on the tool bottom plate, four side pressing units are arranged on the tool bottom plate, and the hard limiting units and the four side pressing units are arranged on the tool bottom plate. A workpiece positioning unit is arranged on the tool bottom plate, and upper pressing units which are arranged at equal intervals are arranged on the tool bottom plate. According to the utility model, two small pieces of a battery tray and CNC processing technologies are roughly the same (as figure 1 and figure 2), two workpieces have the same processing area, the two workpieces are placed in the same set of tool for processing simultaneously, and if the reverse side of the workpiece needs to be processed, a four-axis machine is added for processing the reverse side, so that a finished product can be produced by one set of program, the manual workload is small, the production efficiency is high, and the production cost is low. And the working procedures are reduced, the error probability is reduced, and the efficiency is improved.

The invention discloses a dedusting and filtering device for exhaust gas of a sending tank and a use method of the dedusting and filtering device. The dedusting and filtering device comprises a filtering part and a control part, the filtering part is arranged on one side of the sending tank body; the control part is arranged on one side of the filtering part; the filtering part is additionally arranged at the front end of the control part, so that gas in the sending tank body enters the control part after being subjected to multi-layer filtering in the filtering part to complete exhaust operation, large-particle impurities can be filtered out, the gas flow speed is reduced, abrasion is relieved, and the service life of the sending tank is prolonged. The service life of the sending tank is effectively prolonged; the maintenance cost is reduced; besides, the control component controls the gas to enter the sending tank body from the filtering component, the automatic cleaning function of the filtering component can be achieved, and therefore the requirements for procedures or manual intervention are reduced, the operation process is simplified, the cost is reduced, sending tank operation interruption caused by cleaning is avoided, and the working efficiency is further improved.

The invention discloses an efficient cleaning device for the outer surface of a casting box, and relates to the field of casting box cleaning equipment, the efficient cleaning device comprises a water supply mechanism and further comprises a cleaning mechanism, and the water supply mechanism provides a clean water source for the cleaning mechanism. The cleaning mechanism is arranged, a rotating motor drives a driving fluted disc to rotate, the effect that a tooth plate and a cleaning assembly move up and down in a reciprocating mode can be achieved, meanwhile, a plurality of water spraying pipes spray cleaning liquid downwards, the cleaning liquid and the cleaning assembly are matched to conduct automatic washing and cleaning on the casting box, operation is easy, cleaning is faster, and the cleaning efficiency is improved. The cleaning assembly reciprocates up and down for multiple times, the cleaning effect on the casting box body is improved, meanwhile, two adjacent bevel gears in the cleaning assembly are meshed with each other, when a micro motor drives one bevel gear to rotate, four cleaning brush rods can automatically rotate, the cost is saved, and the cleaning efficiency is improved. And meanwhile, the four side walls of the casting box body are rapidly cleaned by brushes through the cleaning assembly, and the cleaning efficiency and the cleaning effect of the casting box body are improved.

A battery housing (10) includes an integrally formed plate body (110), the plate body is in a preset shape in an unfolded state, and is provided with multiple preset folding portions, and the plate body is separated to form a cover plate and multiple side plates along the multiple folding portions. The multiple side plates are configured to be folded along the corresponding folding portions and connected to form a middle housing (1101) with closed peripheral sides and open ends, and the cover plate is configured to be folded along the preset folding portion and close the corresponding open end (1102) of the middle housing to form an accommodating space for accommodating an electrochemical unit (20) inside the middle housing.

The utility model relates to the technical field of vehicle parts, in particular to a wire harness fixing device and a vehicle. The wire harness fixing device comprises a clamp body and a flexible compensation structure, and further comprises a [-shaped main body part and mounting lug plates connected with the two ends of the main body part, and each mounting lug plate is provided with an assembly through hole; and the flexible compensation structure has elasticity and is fixedly connected to the inner side of the main body part. The wire harness fixed by the wire harness fixing device can be stably restrained. Through the clamp body, it can be ensured that the flexible compensation structure compresses and fixes the wire harness, the flexible compensation structure keeps gapless with the wire harness, stable constraint is formed, the installation efficiency is high, the wire harnesses of various section specifications can be adaptively arranged in the installation space in a penetrating mode, the universality is high, the occupied space is small, and the attractiveness is high.

The present disclosure provides a lithium iron phosphate, a preparation method thereof, and an application thereof. The preparation method includes: dispersing a lithium source by using an emulsifier, then adding a first initiator, and carrying out a first polymerization reaction to obtain an intermediate product A; adding a mixed solution of methyl methacrylate, a crosslinking agent and a second initiator to the intermediate product A, and carrying out a second polymerization reaction to obtain an intermediate product B; mixing the intermediate product B, an oxidant, an iron source and a phosphorus source, and carrying out a third reaction to obtain an intermediate product C; and dispersing the intermediate product C by using a glucose solution, and carrying out drying and calcining to obtain the lithium iron phosphate. The present disclosure also provides the lithium iron phosphate obtained by the preparation method. The present disclosure further provides a positive electrode material, including the lithium iron phosphate. According to the preparation method, a nano-scale lithium iron phosphate can be directly obtained, and procedures, such as pulverization, and energy consumption in the manufacturing process can be reduced. The lithium iron phosphate has evenly distributed elements, and has good charge and discharge properties when being used as a positive electrode material.

The present invention belongs to the field of drone vision, and relates to a method for semantic segmentation of drone-perspective video based on deep learning. Aiming at the problem of image semantic segmentation, the present invention designs an "encoder-decoder" asymmetric network structure, wherein the encoder stage fuses channel splitting (Channel Split) and channel reorganization (Channel Shuffle) to improve the Bottleneck structure for downsampling and feature extraction, and the decoder stage is based on a spatial pyramid multi-feature fusion module to extract rich features and fuse them, and finally upsampling is performed to obtain the segmentation result. Subsequently, in view of the problem of video semantic segmentation, the image segmentation model designed by the present invention is used as a segmentation module for video semantic segmentation, and the optical flow method is combined to improve the key frame selection strategy and perform feature transfer, thereby reducing redundancy and speeding up video segmentation.

The intelligent street lamp GIS positioning system based on wireless communication comprises an intelligent street lamp and a wireless positioning terminal, and the intelligent street lamp comprises a first wireless module, a storage module and a street lamp control module. The wireless positioning terminal comprises a second wireless module and a positioning module, the first wireless module is in wireless connection with the second wireless module, the wireless positioning terminal sends a lamp flicker instruction to the intelligent street lamp through the second wireless module, and the street lamp control module analyzes the flicker instruction and sends the lamp flicker instruction to the intelligent street lamp. The flicker success response instruction is returned to the wireless positioning terminal through the first wireless module, and the wireless positioning terminal identifies the intelligent street lamp as the target street lamp; the positioning module transmits data of the wireless positioning terminal to the intelligent street lamp, and the street lamp control module stores the data to the storage module; according to the utility model, the street lamp can be conveniently and accurately positioned, inter-space data and spatial data are stored in the storage module of the intelligent street lamp for backup, and related data are uploaded to a management platform through MQTT, so that information leakage is avoided.