242results about How to "Resolve the break" patented technology

The invention relates to the technical field of video stitching, and discloses a monitoring video stitching method, device and equipment and a storage medium, and the method comprises the steps: carrying out the video framing of a monitoring video collected by a monitoring terminal, and obtaining a plurality of target video frames; performing human shape detection to obtain a human shape detection result; aligning and cutting a face region in the human shape detection result to obtain a standardized face image, and extracting a face feature vector; performing motion prediction and trajectory extrapolation to obtain a multi-target human shape tracking result; inputting the multi-target human shape tracking result into a distributed computing framework for task allocation and cross-node feature matching to obtain a global human shape tracking result; and performing double-flow network processing on the plurality of target video frames according to the global human shape tracking result, calculating to obtain video stitching parameters, and performing stitching operation on the plurality of target video frames to obtain a stitched video, thereby effectively improving the quality and visual effect of the stitched video.

The invention discloses preparation of a titanium-based composite material continuous core net structure wire material for fuse wire additive manufacturing. Comprising the following steps: taking a titanium belt as an external titanium shell, and taking fine net-shaped titanium-based composite material composite powder as filling powder; and the titanium shell and the filling powder are rolled in a sealed mode, drawing and diameter reducing are conducted, a continuous core net structure wire is formed, and then the in-situ synthesis reinforced titanium-based composite material is prepared through a fuse wire additive manufacturing method. According to the method, the in-situ synthesis reaction of a reinforcement body of the continuous core net structure wire in the melting process is fully played, matrix grains are refined, the organization structure and the size and distribution of the reinforcement body are accurately regulated and controlled, the comprehensive mechanical property of the additive manufacturing titanium-based composite material can be improved, and the method has the advantages of being high in design freedom degree, high in material utilization rate and the like; and a new method is provided for integrated preparation of the difficult-to-deform titanium-based composite material complex component.

The invention belongs to the technical field of cable manufacturing, and discloses a large-section cable for vehicle end bridging, which sequentially comprises a conductor layer, an insulating layer, a shielding layer and a sheath layer from inside to outside, the shielding layer comprises a forward winding type braided shielding wire and a reverse winding type meta-position aramid fiber, the braided shielding wire is formed by twisting a plurality of strands of metal alloy, and the sheath layer is arranged between the conductor layer and the insulating layer. The meta-position aramid fiber adopts stranded meta-position aramid fiber filaments as reverse winding weaving filaments, the sheath layer adopts high-temperature hot drying tunnel vulcanization extrusion type silicone rubber, the temperature of a high-temperature section of a drying tunnel is not lower than 400 DEG C, the vulcanization time is not less than 1 minute, and the meta-position aramid fiber is embrittled and cracked until carbonization failure due to the high temperature of the high-temperature section of the drying tunnel. The cable is suitable for production of a winding shielding layer of a large-section cable for vehicle end bridging with silicone rubber as an insulating layer and a sheath layer, and through introduction of reverse winding meta-position aramid fibers, on the basis of not influencing the use of the whole product, the product structure is further stabilized, and the use stability and safety of the product are ensured.

The utility model relates to the technical field of tunnel construction and underground space engineering construction, in particular to a TBM (Tunnel Boring Machine) hob performance test detection device based on linear rock breaking, which comprises a base, a frame is arranged on the base, and a rock breaking mechanism, a rock box mechanism, a rock breaking hob component and a rock box body are arranged in the frame. A load sensor is fixed between the tool support and the hydraulic oil cylinder, and a three-way force sensor is fixed between the tool support and the tool apron; a confining pressure sensor is arranged on the rock box body, a weighing device is arranged at the bottom end in the frame, and a photoelectric temperature integrated sensor is arranged on the weighing device. By monitoring various performance parameters such as hob load, temperature and abrasion in real time, analyzing hob diameter and weight changes, analyzing rock breaking effects of different hobs and researching a hob rock breaking mechanism, quantitative evaluation of performance differences of different hobs is achieved, reference is provided for manufacturers to manufacture and optimize hob performance, and the hob rock breaking performance evaluation device is suitable for large-scale popularization and application. And key guidance is provided for selection of tunnel project hobs and selection of construction parameters.

The invention discloses a highly efficient synthesis device for synthesizing lithium hexafluorophosphate, which comprises: a main cavity for containing low-temperature anhydrous hydrofluoric acid; a cover for sealing the main cavity to prevent leakage of gas entering the main cavity; a gas supply convex plate evenly embedded in the side wall of the main cavity, which is an integrated structure with the main cavity and is provided with a plurality of one-way gas delivery valves; a gas delivery device, comprising a gas delivery cavity and a plurality of gas delivery pipelines evenly connected to one side of the gas delivery cavity, the gas delivery cavity being connected to the gas supply convex plate and the one-way gas delivery valve thereon; and a stirring device, comprising a rotating shaft driven by a motor and an impeller arranged on the rotating shaft. The contact area between the gas and the solution is greatly increased, and at the same time, the contact position between the gas and the solution is made more uniform, which solves the problem that the gas in the existing ventilation method is easy to repeatedly contact with the local solution, while reducing the chance of contact with other parts of the solution, resulting in insufficient reaction and reduced synthesis efficiency of lithium hexafluorophosphate.

The invention provides a photovoltaic module. The assembly comprises a plurality of battery strings, each battery string at least comprises a first battery piece and a second battery piece, the first battery piece and the second battery piece are provided with front faces and back faces, the front faces and / or the back faces are provided with grooves, the grooves extend in the first direction, the first battery piece and the second battery piece comprise a plurality of fine grids, and the fine grids are distributed on the front faces and the back faces at intervals. The fine grids extend along a second direction, and the second direction is perpendicular to the first direction; at least part of the welding strips are located in the grooves, and the welding strips are connected with the front face of the first battery piece and the back face of the second battery piece; by optimizing the connection mode between the battery pieces, better assembly welding performance is obtained, the stress between the battery pieces and the welding strip is reduced, the stability and the power generation efficiency of the assembly are improved, and the overall performance of the photovoltaic assembly is further improved.

The invention discloses a composite hard and thick coal seam top coal weakening method, which comprises the following steps that S1, blasting drill hole groups are constructed on a composite hard and thick coal seam on an air return crossheading and an air inlet crossheading in the length direction of the crossheading at intervals of 5-10 m at the position not less than 30 m away from a mining line of a coal face, each group comprises 3-5 drill holes, the distance between hole opening points is 0.3-0.5 m, and the height of hole distribution positions in the vertical direction is 2-3 m; s2, drilling, charging and mud sealing are conducted, a radial air column non-coupling axial continuous forward charging mode is adopted as the charging mode, the charging linear density of each hole is 2.4 Kg / m, and the mud sealing length is not smaller than one third of the depth of a shot hole; s3, blasting is carried out; and S4, a water injection softening device is connected to the drill hole, water is supplied through a coal mine underground dustproof water pipeline, the water is filtered through a filtering water tank and then enters a liquid injection pump to be pressurized, and high-pressure multi-hole water injection and drill hole water injection softening fracturing are conducted on the blasted top coal weakening hole.

The present invention relates to the technical field of detection devices, and in particular to a rock and soil detection sampling device, which comprises a frame, a drilling barrel, a vertical driving mechanism, a circumferential driving mechanism, a sensing component, a cutting mechanism and a wrapping mechanism; the present invention drives the drilling barrel to move downward through the vertical driving mechanism, and drives the drilling barrel to rotate around its own axis through the circumferential driving mechanism, and with the axial movement and circumferential rotation of the drilling barrel, the length of the sample core in the accommodating cavity gradually increases, and in the sampling process, the wrapping mechanism wraps around the outer surface of the sample core, and when the length of the sample core in the accommodating cavity reaches a preset value, the cutting mechanism cuts off the position where the sample core is connected to the rock and soil geology, thereby solving the problem that the sample core and the rock stratum are not easy to be disconnected in the prior art; after the sample core is cut off, the wrapping mechanism wraps up the lower surface of the sample core; thereafter, in the process of the drilling barrel moving upward, the sample core is lifted up by the wrapping mechanism until the sample core is separated from the rock and soil surface, thereby improving the integrity of the sample core when it is taken out from the rock and soil geology.

The invention provides a self-adaptive vacuum defoaming process optimization method based on an intelligent control system, and aims to solve the problems of micro-bubble residue, too high energy consumption and the like caused by the fact that a traditional defoaming technology cannot adapt to liquids with different viscosities, and accurate defoaming is realized through a multi-dimensional sensing technology and strategy generation and regulation. Presetting a high-precision vacuum parameter and a viscosity grading strategy; establishing a liquid characteristic vector model by adopting a YOLOv7 and Hough transformation algorithm, and matching a historical optimal strategy in combination with weighted cosine similarity; generating a defoaming strategy based on the pre-training network and a multi-objective optimization algorithm, and verifying the defoaming strategy in the virtual environment; defoaming is carried out in four stages, and efficient foam breaking is achieved through sectional PID control, resonance vibration and cooperation of a two-stage pump; a Kalman filtering algorithm is integrated, pressure, temperature and vibration data are fused, and vacuum pump power and a heating strategy are adjusted; and constructing a multi-index evaluation system, and driving strategy iterative optimization through a reward signal.

The invention relates to the technical field of cleaning agent granulation, and discloses a cooling granulation system for a special cleaning material of a screw extruder, which comprises a base, a cooling assembly for cooling the special cleaning material extruded by the screw extruder, a guide assembly for guiding the cooled special cleaning material and a granulation mechanism for shearing the special cleaning material after guiding treatment are arranged at the top of the base. According to the cooling and granulating system for the special cleaning material of the screw extruder, through the arrangement of the traction assembly, the cooled special cleaning material can be subjected to orderly pulling and traction work, and the situation that the special cleaning material is broken due to the fact that traction force is too large can be effectively prevented; and the shearing assembly is in transmission connection with the traction assembly through two third belt sets, so that the shearing assembly is conveniently driven by traction driving force of the traction assembly to shear and granulate the special cleaning material, and the energy-saving and environment-friendly properties of the granulation equipment and the orderliness of traction granulation are improved.

A circuit breaker handle capable of being linked with an auxiliary contact handle comprises an operation handle which is linked with a circuit breaker body and comprises a first handle part extending in the width direction of the circuit breaker body, matching grooves are formed in the two ends of the first handle part, and first insertion holes are formed in the bottoms of the matching grooves in the axis direction; the auxiliary contact OF handle is in linkage with the auxiliary contact and comprises a second handle part extending in the auxiliary width direction, the second handle part is provided with a connecting end corresponding to the direction of the first handle part, the connecting end is embedded into the matching groove, and the connecting end is provided with a second insertion hole in the axis direction; and two ends of the roller pin are respectively inserted into the first jack and the second jack, so that the axial fixation of the operating handle and the auxiliary contact OF handle is realized. By additionally arranging the roller pin, the problem that the handle of the auxiliary contact is broken due to frequent closing is solved, and the problem that the synchronism of the auxiliary contact and the circuit breaker is poor is solved.

The invention discloses a vacuum arc-extinguishing chamber copper-clad steel composite conducting rod, a method and a vacuum arc-extinguishing chamber. The composite conducting rod comprises a supporting rod and a conducting layer. The conductive layer wraps the outer surface of the supporting rod, and the supporting rod and the conductive layer are of an integrated structure to form a composite conductive rod; the conductive layer is made of an oxygen-free copper material; the supporting rod is used for enhancing the overall mechanical performance of the conducting rod. One end of the composite conducting rod is fixedly connected with the static end electrode or the moving end electrode; and the other end of the composite conducting rod is fixedly connected with an insulating pull rod or a circuit breaker. The integral conducting rod is formed by compounding high-strength metal materials such as oxygen-free copper and stainless steel, the mechanical strength of the inner material and the outer material is enhanced, the requirements for high conductivity and high mechanical strength are met, the conducting rod is machined at a time, acid pickling is conducted, assembling is simple in production, welding reliability is high, and cost is low. And the problem that the stainless steel core is desoldered or fractured when the existing structure is used can be effectively solved.

The utility model relates to an anti -fatigue antiskid floor mat, including floor mat body, floor mat body includes upper surface layer and lower surface layer, the upper surface layer with the lower surface layer between foaming fills setting PU foaming layer, the lower surface layer is away from the upper surface layer one side surface is provided with antiskid structure, the antiskid structure includes the antiskid sheet of bonding agent and the lower surface layer sticking, the antiskid sheet from top to bottom includes the sticking layer, reinforcing layer and antiskid layer in proper order, the sticking layer with the antiskid layer all acrylic resin material is made, the sticking layer is in flat state and is pasted through the adhesive and is set in the surface of the lower surface layer away from the upper surface layer side, the cross section of antiskid layer is as a whole in whole wave -shaped, the reinforcing layer is pasted through the adhesive with the sticking layer and the antiskid layer sticking respectively. The utility model is better than ordinary anti -fatigue floor mat antiskid effect, and is easier to place and is favorable to cleaning and airing.

This utility model relates to a grinding and positioning fixture for the outer shape of an oil nozzle needle valve body. The fixture includes a headstock tip and a tailstock tip. The conical structure of the tail section of the oil nozzle needle valve body is aligned and placed into the mounting hole at the left end of the tailstock tip. The needle valve body is directly engaged with the opening of the head section of the needle valve body through the headstock tip for transmission and rotation. Sufficient operating space is left between the surface of the oil nozzle needle valve body and the fixture. The grinding wheel can simultaneously approach and grind the outer diameter of the head section, the outer diameter of the middle section, and the outer diameter of the tail section without interference, realizing the simultaneous completion of grinding of multiple parts, improving production efficiency. Furthermore, this fixture structure is universal for needle valve body parts with different specifications of surface positioning holes, reducing changeover time and tooling costs, and fundamentally eliminating the problem of mandrel breakage caused by over-positioning of the surface positioning hole and the mandrel, thus improving the stability and reliability of the processing.

The present invention relates to the technical field of metal bending, and discloses a metal building material bending device, including a base plate, and also including: a U-shaped frame, which is fixedly installed on the top of the base plate; a placing component, which is arranged on the top of the base plate; a bending component, which is arranged on the horizontal side of the U-shaped frame; a temperature measurement unlocking component, which is arranged on the top of the base plate; and a cooling component, which is arranged on the bending component. The present invention can automatically detect the temperature of the metal building material to be bent. When the temperature of the metal building material does not reach the specified temperature, the pressing block will not drop, thereby avoiding the situation that the metal building material is broken due to insufficient temperature when bending brittle metal plates such as high-carbon steel sheets. Only when the temperature of the metal building material reaches the specified temperature, the U-shaped block moves to release the limit on the first spring rod through the extension tube, and the metal building material can be bent at this time, thereby solving the problem of the metal building material breaking after bending, thereby improving the use effect of the device.

The utility model relates to the technical field of supports, and discloses a post-processing support with a reinforcing structure, which comprises a post-processing support body, a supporting cross beam and a hinge, the supporting cross beam is arranged on one side of the post-processing support body, and a cover plate is rotatably mounted on the upper side of the post-processing support body through the hinge. The two sides of the supporting cross beam are connected with the mounting bases through connecting bolts. According to the post-processing support with the reinforcing structure, after the supporting cross beam is clamped, the supporting cross beam and the mounting base are in threaded connection through connecting bolts, the adjusting plates are pulled towards the two sides, and after the adjusting plates and threaded mounting blocks at one ends of the adjusting plates are pulled to proper positions, the adjusting plates and the threaded mounting blocks at one ends of the adjusting plates are locked with other parts of a tractor through locking bolts; by means of the post-processing support with the reinforcing structure, the problem that a supporting cross beam is prone to deformation and breakage when the post-processing support is in butt joint with a tractor through a single fixing support is solved.

The application provides a single crystal furnace cyclone air distribution device, a single crystal furnace and a furnace protective gas flow optimization method, and belongs to the single crystal production equipment field.The device is arranged at the air inlet of the single crystal furnace and is located directly above the single crystal rod position in the furnace.The cyclone cylinder is arranged at the uppermost side of the single crystal furnace and is in a circular ring column shape.A gas flow guide structure is arranged on the inner wall of the circular ring column shape to guide the protective gas to form a cyclone.The air inlet is arranged on the circular top surface of the circular ring column shape and includes at least two air inlet holes that are symmetrically distributed with the center as the center, so that the protective gas enters the sealed cyclone cylinder from the air inlet.The circular top surface has a predetermined thickness, and when the circular air inlet hole of the air inlet penetrates the circular top surface, a bevel with a predetermined angle is formed, and the bevel direction is tangent to the spiral partition direction of the internal cyclone cylinder.The application improves the eccentric turbulent flow problem and improves the uniformity and oxygen reduction effect of the protective gas flow in the single crystal furnace.

The utility model relates to a novel floating tube plate sealing structure and a heat exchanger, the sealing structure comprises a floating tube plate, a support ring plate, a fixing assembly and a plurality of sliding bosses, the plurality of sliding bosses are uniformly and fixedly arranged at intervals in the circumferential direction, and the fixing assembly is fixedly arranged and located on one side of one end of each sliding boss; the floating tube plate is located on the inner sides of the multiple sliding bosses and slidably connected with the multiple sliding bosses through sliding pieces, and the floating tube plate is fixedly connected with the fixing assembly through the supporting ring plate. The sealing device has the advantages of being simple in structure, reasonable in design, suitable for being used in all heat exchangers with floating tube plates, better in sealing effect, capable of improving reliability of equipment, reducing the risk that the device is forced to stop, improving production benefits and reducing production cost. The problems that the floating tube plate end of a large heat exchanger with the large temperature difference leaks seriously, and heat exchange tubes are broken due to jamming of the floating tube plate in the sliding process are effectively solved.

The present invention discloses a drying and feeding board machine, comprising a board making machine frame, a fixed plate, a drying device, a conveying platform, a conveying support plate and a pushing member, the board making machine frame is located at an exit end and a conveying platform is fixed thereon, and one end of the conveying platform away from the board making machine frame is fixed with the drying device, the board making machine frame is located above the conveying platform and a fixed plate is fixed thereon, and one end of the fixed plate close to the board making machine frame is horizontally fixed with a conveying support plate by a fixed sliding rod, a rack is distributed on the bottom ends of both sides of the conveying support plate, a driving gear is fixed on both sides of the outer walls of the conveying platform, a special-shaped sliding groove is provided on the upper surface of the conveying platform, a supporting rod is fixed on the bottom of the conveying support plate, a rack plate is fixed on the free end of the supporting rod, the second sliding groove is located at the right end of the drying device and a driving shaft is fixed thereon, and both ends of the driving shaft are fixed with a driven gear, so the present invention runs smoothly during the board feeding process, and automatic resetting of the pushing plate member is realized by the cooperation of the rack and the driving gear, so the use is relatively convenient.

The invention relates to the technical field of image analysis, and discloses an AI-based CT image automatic analysis system, which comprises the following modules: a data acquisition and preprocessing module for acquiring original CT image data from CT equipment or an image storage system, an image segmentation module for segmenting different organs in a CT image, a feature extraction module for extracting features of different organs in the CT image, and an image analysis module for analyzing the features of different organs in the CT image. And the diagnosis and analysis module is used for carrying out real-time diagnosis on a patient, result visualization and report generation module and automatically generating a diagnosis report according to diagnosis and analysis results. According to the method, the connectivity of blood vessels can be kept when the AI system segments the CT image through the established topology structure, and the current segmentation process is optimized through the algorithm when the unreasonable part of the connectivity of the blood vessels exists in the current segmentation algorithm process through calculation and retrieval, so that the segmentation efficiency is improved. And the problem of blood vessel fracture possibly occurring in a traditional segmentation method is avoided.

The invention discloses an Al-Mg-Sc-Zr series aluminum-based composite powder and a preparation method and application thereof. The Al-Mg-Sc-Zr series aluminum-based composite powder consists of an Al-Mg-Sc-Zr series aluminum alloy powder, a Co-Cr-Ni medium-entropy alloy powder and an oxide bait powder; in the Co-Cr-Ni medium-entropy alloy powder, Co, Cr and Ni are in an equal molar ratio; in the Al-Mg-Sc-Zr series aluminum alloy powder, each component and its weight percentage are as follows: 1.0-5.0% of Mg, 0.3-1.0% of Sc, 0.05-0.35% of Zr, 0.05-0.5% of Mn, 0.1-0.2% of Si, 0.01-0.03% of Mo, and the rest is Al. The Al‑Mg‑Sc‑Zr aluminum-based composite material obtained by laser additive forming of the Al‑Mg‑Sc‑Zr aluminum-based composite powder of the present invention not only has high room temperature tensile strength, but also has good high temperature resistance. The tensile strength at 300°C can still reach more than 200 MPa, meeting the current performance requirements of aerospace heat-resistant aluminum alloy components.

The utility model belongs to the technical field of lithium ion batteries, and particularly relates to an invisible aluminum-to-nickel tab structure, which comprises an aluminum tab and a nickel connecting piece, the connecting area of the aluminum tab and the nickel connecting piece is provided with mutually matched embossing structures, and the embossing structures enable the aluminum tab and the nickel connecting piece to form mechanical interlocking. And an interface of the connecting area is provided with a tab glue anti-breaking layer. According to the utility model, the mechanical strength and the shock resistance of an aluminum-nickel interface are remarkably improved through the composite structure design of embossing interlocking, tab glue breakage prevention and welding reinforcement.

The utility model relates to sanitary towel technical field provides a sanitary towel of wing reinforcing type, solves the problem that the existing sanitary towel wing is easy to have structural breakage when taking down, the utility model discloses sanitary towel main part and the wing of symmetry that is equipped with sanitary towel main part both sides, each sanitary towel main part includes the flexible surface layer, the flow guide layer, the absorption layer and the bottom mould that set gradually from top to bottom, the absorption layer includes the absorption core and the wrapping layer that is wrapped in the absorption core outside, the flexible surface layer and the bottom mould extend to both sides and hold the reinforcing part, the reinforcing part and flexible surface layer, the bottom mould compound form each wing, and the sandwich wing is formed through the reinforcing part of flexible surface layer and bottom mould extension part direct clamping, solves the problem of traditional wing fracture.

The invention discloses a cold-proof, heat-insulating, heat-preserving and waterproof fabric and a preparation process thereof, belongs to the technical field of textiles, and solves the problems that the current fabric needs to be cold-proof, heat-insulating, warm-keeping and waterproof at the same time and is very difficult to be light in weight. Comprising a cloth cover, a plurality of bumps distributed in an array are woven on the two sides of the cloth cover, the cloth cover is formed by weaving air fibers, the air fibers comprise a plurality of nodes and a plurality of branch fibers integrally formed between the adjacent nodes, and micro spaces are formed between the branch fibers in the same group between the adjacent nodes. And the volume of the micro space is smaller than that of a single branch fiber between adjacent nodes. According to the cold-proof heat-insulation heat-preservation waterproof cloth, the innovative air fiber weaving technology is adopted, and the light, thin, heat-preservation, heat-insulation and waterproof effects are achieved through micro-space and node design.

The embodiment of the invention provides a quartz tube spray cleaning machine which comprises a bearing platform used for receiving and bearing a horizontally placed quartz tube; the driving device is in transmission connection with the bearing platform and is used for driving the bearing platform to rotate so as to rotate the horizontally placed quartz tube into a vertical state; and the spraying device is used for spraying cleaning liquid to the quartz tube in the vertical state so as to clean the quartz tube. The spraying cleaning machine for the quartz tube can prevent the quartz tube from being broken in the cleaning process.

The invention discloses a preparation method of a double-side coated positive pole piece and a solid-state battery, and belongs to the technical field of solid-state batteries. A positive active material, a solid electrolyte and a conductive agent are taken as raw materials, a glue solution and a solvent are added and stirred to prepare positive slurry, and the positive slurry is coated on two sides of a current collector and is subjected to vacuum drying to prepare the double-side coated positive pole piece. The invention also provides a solid battery which is prepared by laminating the double-sided coated positive pole piece prepared by the method, an electrolyte pole piece and a negative pole piece. According to the invention, the operation content of double-sided coating of the positive pole piece is simplified, the step of combining multiple current collectors is avoided, the thickness of the double-sided coating layer of the positive pole piece can be controlled, the utilization rate of the positive pole slurry is improved to the maximum extent, and the energy density of the battery is improved; steps existing between the two positive electrodes during single-side coating are eliminated, the problems of unevenness of positive electrode planes and breakage of current collectors are avoided, and comprehensive and good contact of positive electrode / electrolyte interfaces is kept.

The utility model belongs to the field of agricultural meteorological monitoring devices, and particularly relates to an agricultural meteorological monitoring device with a protection structure. The technical problems that a sensor on a monitoring device lacks a protection structure, the contact area of a solar panel is too large in strong wind, the windward angle is inconvenient to adjust, and breakage is caused are solved. According to the technical scheme, the agricultural meteorological monitoring device with the protection structure comprises a support assembly; the device further comprises a rotating assembly, a protection assembly, a control box assembly, an adjusting assembly and a fixing assembly. A second motor is started, an output shaft of the second motor drives a second gear ring to rotate, the outer wall of the second gear ring is meshed with a tooth groove of an arc-shaped rack, and when the second gear ring rotates, the arc-shaped rack slides on the inner wall of a second groove body; and therefore, the wind resistance of the solar power generation panel can be reduced, and the problem that the solar power generation panel is broken due to an overlarge contact area in strong wind can be solved.

The utility model discloses small buried sewage treatment equipment, and relates to the technical field of buried sewage treatment equipment. The device comprises a pool body, three connecting pipes are arranged on the top face of the pool body, an adding pipe is fixedly connected to the center of the upper side of the left face of the pool body, a leading-out pipe is fixedly connected to the center of the lower portion of the right face of the pool body, and two ejection cavities are formed in the periphery of the interior of the pool body; the upper sides of the inner walls of the multiple ejection cavities are slidably connected with ejection groove blocks, the inner walls of the multiple ejection groove blocks are in threaded connection with movable lead screws, and the upper ends of the multiple movable lead screws penetrate through the upper sides of the inner walls of the corresponding ejection cavities and extend to the top face of the pool body. The friction force between the device and a soil layer is increased, so that the connection strength between the device and the soil layer is increased, the device is prevented from being extruded out of the ground under the extrusion of soil pressure, the normal use function of the device is not influenced, the problem that a pipeline connected to the device is broken is avoided, and the maintenance cost is prevented from being increased.

The application discloses a CAD track turnout multi-stage intelligent linkage connection and adjustment method, comprising the following steps: S1, integrating structured parameters of various turnout types, generating a turnout basic parameter library, and generating an association mapping table recording the logical relationship between turnouts; S2, automatically calling the turnout basic parameter library, calculating the optimal turnout angle and endpoint coordinates, and automatically generating a connecting line; S3, when the position or angle of the reference turnout is adjusted, based on the association mapping table, the adjustment information is transmitted to all associated secondary turnouts, and the secondary turnouts and their connecting lines are driven to be synchronously adapted; S4, real-time collection of the adjusted data, combination of the turnout parameter threshold and the association mapping relationship, recalculation of the optimal connecting path, and generation of a new connecting line. The application can greatly shorten the time consumption of single-group turnout docking, solve the problems of line mispositioning and fracture, guarantee engineering safety, reduce the dependence on the experience of designers, greatly shorten the design cycle and reduce the rework rate.

The present application relates to a kind of support positioning assembly for printed circuit board laser processing equipment to solve the problem of printed circuit board fracture caused by hard support pressing under high temperature condition, it relates to electric vehicle circuit board laser welding support technical field, including four groups of welding magnetic support column, welding magnetic support column includes in turn from top to bottom needle, upper fixed section, middle fixed section and magnetic component;Middle fixed section bottom side is equipped with fixed column and first spring, first spring is integrated compound spring structure;The present application can realize flexible damping, offset impact load in operation process, avoid rigid extrusion and lead to plate cracking, pad drop;First spring can be independently telescopic, adapt to workbench surface concave-convex and printed circuit board itself warping, ensure that four corners are uniformly stressed, simultaneously utilize high temperature deformation characteristics and realize high temperature automatic pressure release, printed circuit board is heated and expands, warping when actively retreat, solve the problem of printed circuit board fracture caused by hard support pressing under high temperature condition.