239results about How to "Reduce spending" patented technology

The invention discloses an intelligent equipment control system and method based on cloud computing, and relates to the technical field of equipment control. The system comprises a data acquisition and processing module, a user behavior analysis and preference modeling module, a standby energy consumption identification module and a real-time monitoring and adjusting module. The data acquisition and processing module collects historical power consumption data and external environment data of the smart home equipment, obtains a power consumption mode by analyzing the historical power consumption data, and performs historical energy efficiency evaluation in combination with the environment data to form an energy consumption portrait; the user behavior analysis and preference modeling module obtains user historical behavior data and constructs a user preference model; the standby energy consumption identification module identifies equipment with standby energy consumption and generates an energy-saving control scheme in combination with the use time period of the equipment; and the real-time monitoring and adjusting module implements the energy-saving control scheme, acquires the power consumption data and the environment data in real time, performs energy efficiency evaluation, and adjusts the energy-saving scheme according to the evaluation result.

The invention discloses an infusion detection and control device for counting the infusion amount, and particularly relates to the technical field of infusion control, the infusion detection and control device comprises two drip chamber covers covering the top end of a drip chamber, a clamping stop assembly used for blocking liquid medicine from dripping is arranged on the upper portion in each drip chamber cover, and photoelectric sensors are installed on the lower portions in the two drip chamber covers; each photoelectric sensor comprises an emitter and a receiver, and liquid drops in the drip chamber are detected by the receiver when penetrating through the space between the two photoelectric sensors; the infusion apparatus further comprises a drip chamber rotating assembly covering the outer end of the infusion tube, a microcontroller used for receiving information sent by the photoelectric sensor to conduct medicine drop statistics is installed on the drip chamber rotating assembly, and the microcontroller controls the clamping and stopping assembly to stop continuous dripping of medicine liquid according to statistical data. The number of liquid drops in the drip chamber is directly counted through the photoelectric sensor, continuous conveying of liquid medicine is stopped in time through the drip chamber rotating assembly and the clamping and stopping assembly, and the treatment dosage of the liquid medicine conveyed into the body of a patient is accurately controlled.

The invention provides a wood stacking device for wood board production, and belongs to the technical field of wood board stacking. Comprising a bottom plate, a transferring assembly and a stacking assembly, the transferring assembly comprises a workbench installed on the top of the bottom plate, a remaining groove is formed in one side of the workbench, and an inclined groove is formed in the other side of the workbench. The lifting frames are driven to do circular motion through rotation of the chain, at the moment, the two sets of lifting frames lift wood plates on the transfer table upwards and then rotate the wood plates to the stacking bin, when the wood plates rotate to the bottom of the stacking bin, the wood plates are blocked by the bottom of the stacking bin, and therefore the wood plates are left in the stacking bin; and when the lifting plates are blocked by the wood plates in the stacking bin, the lifting plates rotate upwards, it is guaranteed that the two sets of lifting frames can pass through the stacking bin, automatic stacking and circulating stacking of the device on the wood plates can be achieved, the stacking efficiency of the wood plates is improved, and the labor cost is reduced.

The invention discloses an integer slot concentrated full-pitch flat wire winding structure and a flat wire motor, and relates to the technical field of motors. Each branch of each phase of the integral-slot concentrated whole-pitch flat wire winding structure comprises one or more coil units, each coil unit is composed of four coil groups, each of the first coil group and the third coil group comprises a same-layer hairpin, the second coil group comprises N / 2-1 cross-layer hairpins, and each cross-layer hairpin comprises N / 2-1 cross-layer hairpins. The two effective conductors of the cross-layer hairpin are located on the adjacent layers of flat wires in different grooves, the fourth coil assembly is obtained by rotating the second coil assembly by m stator grooves in the circumferential direction, and m is the phase number of the winding motor. According to the invention, the stator adopts an integral pitch winding and is matched with a concentrated winding scheme that the number of slots per pole per phase is 1, so that the motor can obtain the maximum winding coefficient; only N / 2 + 1 types of hairpins are needed, and the types of the hairpins are reduced, so that the purposes of reducing the processing difficulty, the assembly complexity, the manufacturing cost and the maintenance difficulty of the flat wire winding are achieved.

The invention belongs to the technical field of artificial intelligence, and discloses a dry eye diagnosis and treatment integrated system based on a deep neural network, which comprises an input unit module, a diagnosis unit module, a data matching module and an output unit module, and is characterized in that dry eye symptoms and OSDI scale result characteristics of a patient to be diagnosed are input through the input unit module; the diagnosis unit module obtains the dry eye symptom, the OSDI scale and the corresponding relation between the lower tear river height and the mild dryness, moderate dryness and severe dryness of a patient, the data matching module matches the result features of the dry eye symptom, the OSDI scale and the psychological survey scale of the patient to be diagnosed into the corresponding relation, and a corresponding matching diagnosis report is generated. And finally, outputting grading diagnosis of light, moderate and heavy dry eyes of the patient to be diagnosed through an output unit module. The system can help clinicians to improve the diagnosis efficiency of dry eye grading and reduce missed diagnosis and misdiagnosis, and is high in operability.

The invention discloses an air-ground cooperative unmanned vehicle path planning method in a complex environment, and the method comprises the steps: firstly obtaining distribution point position information, distribution point material demand information, environment information, distribution center position information and unmanned vehicle information; secondly, preliminarily performing global path planning according to the information; then, the unmanned vehicle runs according to a path obtained by global planning, and when the unmanned vehicle senses that the surrounding environment cannot pass through, a built-in unmanned aerial vehicle of the unmanned vehicle lifts off to recollect surrounding environment information to obtain updated environment information; and finally, according to the updated environment data, local path planning is carried out on each path through traversal constraint, re-planning path constraint and energy consumption constraint, and a distribution path of the unmanned vehicle in a complex environment is obtained. Aiming at the requirements of maneuverability, rapidity and continuity of the unmanned vehicle in a complex environment, the unmanned vehicle is not restrained by an existing road, so that the emergency material distribution time is shortened, and the rescue efficiency is improved.

The invention discloses a deep foundation pit construction safety risk pre-control method and system based on a control theory and a dual-system theory, and the method comprises the steps: carrying out the risk recognition and risk monitoring of deep foundation pit construction safety based on the expansion of a sensor, determining a risk point, carrying out the pre-control discrimination and pre-control rating of the recognized and monitored deep foundation pit construction safety risk, and carrying out the early warning of the deep foundation pit construction safety risk. And finally, performing pre-control decision making and pre-control execution on the pre-control risk in the step 2 based on an actuator and DST expansion. According to the method, the source risk and the state risk are systematically identified and monitored, potential risks can be timely found and prevented, the operation stability of a project is improved, potential safety hazards can be timely identified and coped with by monitoring various state risks, and the risk risk is effectively prevented. Safety of constructors and the surrounding environment is ensured, and a positive effect on cost control of a project is achieved.

The invention discloses a cutting-off sensing method for a numerical control machine tool, which comprises the following steps of: detecting and judging the wear condition of a tool according to the current working load of a main shaft or an X shaft of the cutting end by monitoring the load of the cutting end of the machine tool; and based on the maximum load value of the used cutter, the PLC is used for setting the upper and lower limits of the load of the cutting end, so that the cutter works in a safe load value range, the wear condition of the cutter is detected through the change of the load value of the cutting end, the wear of the cut-off cutter can be sensed, whether the cut-off cutter is broken or damaged can be detected, and the safety of a machine tool and technicians is ensured.

The invention provides a constant-force gas spring hydraulic drive type artificial limb socket. The constant-force gas spring hydraulic drive type artificial limb socket comprises an artificial limb socket shell and a plurality of constant-force compression assemblies. The constant-force compression assemblies are circumferentially arranged around the inner ring of the prosthetic socket shell at equal intervals; the constant-force compression assembly comprises a constant-force driving mechanism, a guide limiting mechanism and an extrusion plate; the extrusion plate is in transmission connection with the constant-force driving mechanism, and the extrusion plate is limited and fixed with the constant-force driving mechanism through the guide limiting mechanism; the constant force driving module is designed according to the constant force output characteristic of the gas spring, automatic adjustment of the volume of the residual limb within the constant force range is achieved, the problems of skin injury and the like caused by too large stress between an artificial limb socket and the residual limb are solved, and the wearing comfort of a patient is improved.

The utility model discloses a collapsible cosmetic box relates to the field of cosmetic box, including box body, the hinge rotation of box body is provided with the lid, the equidistance of box body is provided with a plurality of recess, and the inside of recess is provided with the bearing plate, and the bottom of box body is provided with fixed mechanism, and fixed mechanism includes: fixed link, and the bottom of fixed link fixed connection is in bearing plate, and one end of fixed link is connected with the sliding of box body, and the inside of box body is provided with the clamping component, and the bottom of box body is provided with the shielding component, the utility model discloses the setting mode of bearing plate, fixed link, clamping component and shielding component cooperation, after the use of eye shadow on the bearing plate, just take out the bearing plate, and the bearing plate of bearing eye shadow can be replaced, need not discard the appearance beautiful generous box body, can be repeatedly used, and the bearing plate with eye shadow can be freely combined, need not pay for the eye shadow of not like, reduce the expenditure.

The invention discloses a capacity configuration method for a household photovoltaic energy storage system, and the method can comprehensively consider the actual electricity demand, available installation area, sunlight resources and other factors of a household through comprehensive data collection and analysis, and precisely evaluates the capacity configuration of the household photovoltaic system. According to the invention, through comparing the generating capacity of the photovoltaic system with the actual electricity consumption of the family, the proper capacity of the energy storage system is evaluated; based on energy storage system capacity evaluation, a plurality of factors such as user cost input, electric appliance equipment possibly increased in the future, use frequency change of existing equipment, the service life of energy storage equipment, system loss and charging and discharging rules are comprehensively considered, and finally a practical and feasible household photovoltaic system capacity installation scheme is obtained through coordination. The method not only ensures that the capacity of the energy storage system meets the electricity demand of a family, but also can utilize solar energy resources to the greatest extent, and meanwhile, reduces the expenditure of family investment cost and effectively improves the energy utilization efficiency.

The utility model provides a double-form tobacco pipe which comprises a tobacco pipe body, a tobacco burning bin is arranged at the top of the tobacco pipe body, a detachable bottom cover is arranged on the bottom face of the tobacco pipe body, an annular threaded connecting part is arranged at the bottom of the tobacco pipe body, and the detachable bottom cover is installed on the annular threaded connecting part in a threaded fit mode. The suction nozzle is communicated with the tobacco combustion bin, and the suction nozzle is used for sucking smoke; the conversion kit comprises a threaded bottom cover, a water pipe and a sealing ring, the threaded bottom cover is matched with the annular threaded connecting part at the bottom of the tobacco pipe body, an annular connector is further arranged on the inner side of the threaded bottom cover, the water pipe is detachably connected to the annular connector, an annular mounting groove is formed in the inner side of the threaded bottom cover, and the sealing ring is embedded in the annular mounting groove; the water pipe is arranged on the periphery of the water pipe. The dual-form tobacco pipe can be freely switched between a common tobacco pipe form and a hookah form, different requirements of users are met, and convenience and scene adaptability of products are effectively improved.

The utility model discloses a smart card elevator access management system, which comprises an elevator personnel access controller; the elevator personnel access controller comprises a main control module, a human body induction radar sensor, a password keyboard module, a face recognition module, an IC card reading module, an LCD display screen, an elevator key control module and a power module. The corresponding ends of the main control module are electrically connected with the corresponding ends of the human body induction radar sensor, the password keyboard module, the face recognition module, the IC card reading module and the elevator key control module. By means of various authentication modes such as the IC card, face recognition and passwords, use of unauthorized personnel is effectively limited, and the use safety of the elevator is improved. The low-power-consumption design is adopted, the power module is intelligently controlled through the human body induction radar, the low-power-consumption mode is automatically entered when no one uses the device, electric energy is saved, and electric charge expenditure is reduced.

The utility model relates to the technical field of key devices of a microwave communication system, in particular to an absorption type ultra-wideband high-power filter, which comprises a shell, an input joint, an output joint, a T-shaped branch joint, a passband signal branch, an out-of-band signal branch and a ventilation assembly, an air outlet pipe is communicated with the shell and positioned on one side of the shell, a transverse plate is fixedly connected with the air outlet pipe, and the transverse plate is fixedly connected with the T-shaped branch joint. The micro motor is fixedly connected with the transverse plate, the rotating shaft is fixedly connected with the micro motor, the spiral blade is fixedly connected with the rotating shaft, the air inlet pipe communicates with the shell, and the micro motor on one side of the transverse plate is started through the control end, so that the rotating shaft drives the spiral blade to rotate, air in the shell is extracted, and cold air outside the shell is extracted into the shell; and the heat emitted by the mixed parts is discharged from the air outlet pipe, so that the heat in the shell is emitted in such a manner, the normal work of the parts in the shell is ensured, and the maintenance cost is reduced.

The utility model relates to the technical field of waste residue recovery, and provides a waste residue recovery device for furfural production, which comprises a furfural processing box, the top of the furfural processing box is provided with a first feed port, the side surface of the furfural processing box is provided with a first discharge port, and the bottom of the furfural processing box is provided with an opening and closing door. The bottom of the opening and closing door is fixedly connected with a second feeding port through a plurality of connecting plates, the bottom of the second feeding port is fixedly connected with a conveying mechanism used for conveying furfural waste residues, and a separating device used for recycling the furfural waste residues is arranged on the side face of the conveying mechanism. The problems that in the prior art, workers need to take out waste residues in a processing box and transport the waste residues to recycling equipment, the labor cost is increased, and the labor intensity of the workers is aggravated are solved.

The invention discloses a device energy saver and method based on idle power rate electric energy recovery, and belongs to the field of intelligent electric power, and the method comprises the following steps: determining a classification result of loss points based on the loss conditions of electric equipment and an electric circuit; obtaining reactive power and residual current of the loss point based on the classification result of the loss point, and configuring a corresponding power-saving module for the loss point; and recovering the reactive power and the residual current, and adjusting the power-saving module based on the reactive power and the residual current.

This invention relates to the technical field of deep foundation pit construction, and in particular to a support pile support device and construction method. The device includes several connecting bolts, several expansion bolts, four pins, a fixing device, a soil layer, a support pile, and two tensile anchor cables. Both tensile anchor cables are fixedly connected to the interior of the soil layer. The fixing device includes an anchor bolt connector, two steel struts (first type) and two steel struts (second type). One end of each of the two steel struts (first type) and one end of each of the two steel struts (second type) are detachably connected to the outer surface of the anchor bolt connector. This invention features a detachable fixing device that connects the tensile anchor cables and the support pile, ensuring the stability of the support pile and replacing the function of a horizontal wainscoting. Furthermore, after use, this device can be disassembled and reused, saving money, reducing the expenditure on forging multiple horizontal wainscotings, avoiding waste of shaped steel materials, and eliminating the single-use limitation of horizontal wainscotings.

The invention provides a multifunctional mobile camera shooting vehicle structure, and relates to the technical field of video surveillance, the multifunctional mobile camera shooting vehicle structure comprises a mobile vehicle and a protection structure, universal wheels are fixedly mounted at four edges of the bottom of the mobile vehicle, a UPS power supply is arranged at one side of the mobile vehicle, an equipment host is arranged at one end opposite to the UPS power supply, an interphone seat is arranged on the equipment host, and the protection structure is arranged on the mobile vehicle. Two groups of interphones are mounted on the interphone seat, a fixed support is fixedly connected to one corner of the top of the mobile vehicle, a mounting frame is fixedly connected to the top of the fixed support, a display screen is arranged in the mounting frame, a protection plate is arranged at the front end of the mounting frame, and a hinge bent lug is fixedly connected to the middle of the top of the protection plate; by arranging the protection structure, dust is prevented from adhering to the screen, damage to the screen caused by external force is avoided, the service life of display equipment is prolonged, the maintenance cost is reduced, and the problem that the screen is damaged by the external force when the photographic car is not used is solved.

The utility model relates to a box nailing device based on a drum-type double-piece machine, which comprises a box nailing machine frame, a lower feeding assembly is arranged on the box nailing machine frame, an upper feeding assembly is arranged at the upper end of the lower feeding assembly in parallel, the upper feeding assembly is arranged on the box nailing machine frame through a lifting machine, and the lifting machine is arranged on the box nailing machine frame. The upper feeding assembly and the lower feeding assembly each comprise a feeding and aligning unit, a folding unit, a deviation correcting unit and a box nailing unit in sequence in the advancing direction of a paperboard. According to the automatic box nailing machine, automatic feeding can be achieved through the arrangement of the feeding and aligning unit, the folding unit can automatically fold the paperboards upwards or downwards, the processes of the two paperboards are kept consistent through the deviation rectifying unit, conveying errors are avoided, box nailing is conducted later, the accuracy rate is high, the waste rate is reduced, and the working efficiency is improved. And meanwhile, the distance between the upper feeding assembly and the lower feeding assembly is adjustable, so that the paperboard feeding device can be suitable for paperboards with different thicknesses, the expenditure of equipment is reduced, and the cost is saved.

The invention relates to the technical field of spraying, in particular to an intelligent spraying maintenance system control method and a control device.The method comprises the steps that a spraying trolley is controlled to execute a spraying process, and the spraying process is used for indicating the spraying trolley to move back and forth along a precast beam and conduct spraying operation on a web and a wing plate of the precast beam; in the spraying process, the liquid level height in the water tank and the electric quantity value of the battery pack are obtained; when the liquid level height reaches a first preset threshold value, the spraying trolley is controlled to execute a water supplementing process, and after the water supplementing process is completed, the spraying trolley is controlled to continue to execute a spraying process; when the electric quantity value reaches the second preset threshold value, the spraying trolley is controlled to execute the charging process, and after the charging process is completed, the spraying trolley is controlled to continue to execute the spraying process, automatic water feeding and automatic charging in spraying operation are achieved, all-weather unmanned automatic maintenance can be achieved, manual intervention is not needed, the investment of maintenance labor force is greatly reduced, and the maintenance efficiency is improved. And the labor cost is saved for the project.

This invention proposes a blowout preventer (BOP) arrangement design method. The lower BOP and lower riser assembly are vertically arranged on the same sidewall of the moonpool, perpendicular to the ship's length direction, using a fixing device. A lower BOP base and a lower riser assembly base are respectively connected below the lower BOP and lower riser assembly. Pressure testing pipelines and corresponding interfaces are provided around the lower BOP and lower riser assembly for BOP pressure testing operations. This invention can be disassembled and arranged separately or assembled as a whole for interchangeable arrangements; it can perform pressure testing and maintenance operations at a single storage location or simultaneously at two storage locations.

The esophageal probe comprises a probe head, a bougie and a handle, the probe head is arranged at one end of the bougie, and the handle is arranged at the other end of the bougie; the end part of the probe head is of a non-sharp smooth curved surface structure, and the edge of the probe head is smooth; the bougie can be bent; a pressure sensor is arranged at the end of the probe head, and the pressure data indicator is connected with the pressure sensor through a data line. The probe head is in threaded connection with the bougie; the handle and the bougie are connected in a threaded connection mode. The end face, making contact with the esophagus, of the probe head is smooth and not sharp, and the risk of esophagus perforation can be greatly reduced; the pressure receptor is arranged, so that data of force applied to the esophageal probe can be visualized when the esophagus is prolonged, an operation can be more accurately carried out, and risks possibly caused by excessive force are further reduced.

A steeply inclined thin ore body non-explosive mechanical rock breaking follow-up filling continuous mining method comprises the steps that a stope is arranged in the trend of an ore body, the stope height is the middle section height, a raise boring machine is used for drilling a guide hole from top to bottom in the middle of the ore body along the inclination angle of the ore body in an upper middle section rock drilling roadway, and a cutterhead is installed in a lower middle section rock drilling roadway; and the ore body is reversely cut from bottom to top, crushed ore rock debris falls down by virtue of self weight, and ore removal is carried out by trackless equipment. A certain number of mining raises are cut to serve as a stoping unit to follow filling, blasting is not needed in the whole stoping process, and continuous mining is achieved without remaining pillars. According to the method, the raise boring machine is used for mechanical rock breaking instead of a traditional blasting ore breaking mining process, the mechanical and intelligent mining level of the steeply inclined thin ore body is greatly improved, and the method has the advantages of safe operation, simple process, high efficiency, low cost and the like.

The invention discloses full-automatic stacking equipment for furniture boards, and relates to the field of furniture manufacturing industry, the full-automatic stacking equipment comprises a conveying mechanism and a telescopic rod, a connecting box is mounted at the bottom of the telescopic rod, a positioning rod is mounted at one end of the connecting box, and a correction assembly for positioning the boards is arranged at the lower end of the positioning rod; and the correcting assembly comprises a connecting rod, a bevel gear set and a supporting rod, a first gear is arranged on the outer wall of the connecting rod, the bevel gear set is installed at the other end of the first gear through a rotating rod, a second gear is installed at the lower end of the bevel gear set, and racks are arranged at the two ends of the second gear. Through the arrangement of the correcting assembly, under the pushing force of the telescopic rod, the supporting rod drives the contact block to move, the end, close to a wood board, of the contact block makes contact with the wood board to correct the angles of the two ends of the wood board, the uniformity of the wood board placed on the stacking frame is improved, and the quality of the equipment is effectively improved.

This invention discloses a trusted carbon footprint storage and intelligent traceability system for gold recycling based on blockchain and AI technologies, belonging to the intersection of green finance technology and environmental protection technology. The system adopts a four-layer architecture: the data acquisition layer binds batch IDs through GS1 encoding and integrates multi-source data through IoT sensors, a mobile app, and edge preprocessing; the AI ​​processing layer accurately calculates the carbon footprint based on a dynamic LCA model, optimizes process parameters through deep reinforcement learning, and simulates emission reduction potential; the blockchain storage layer uses a consortium blockchain (PBFT consensus) + IPFS storage, deploying smart contracts for storage and verification to automatically generate CDCEER carbon credits; the application layer provides traceability queries, ESG dashboards, regulatory audits, and green finance interfaces. This invention solves the problems of data fragmentation, inefficient calculation, and difficulty in value conversion, achieving trusted management and value conversion of the entire carbon footprint process, helping enterprises reduce costs and increase efficiency, comply with emission reduction regulations, and promote the green upgrading of the recycled precious metals industry.

The utility model provides a welding device for a thin-wall small-diameter corrugated pipe, which comprises a welding machine and a gas protection groove arranged in the corrugated pipe, and a plurality of height-adjustable bolt telescopic rods are fixedly arranged at the bottom of the gas protection groove, so that the back surface of a welding seam of the welding machine is protected by the gas protection groove. The welding seam forming device has the advantages that the height-adjustable gas protection groove is adopted, so that a welding seam can be always protected by protection gas, the problem of material burnthrough caused by overheating is effectively avoided, stable and uniform welding seam forming is achieved, the oxidation rate and the defect rate of the welding seam are remarkably reduced, and the welding seam forming quality is improved. The strength and the sealing performance of welding seams are improved.

The utility model belongs to the field of electric appliances, and particularly relates to a grounding device of a notebook computer, which comprises a two-wire plug, a charging socket is arranged at the top end of the two-wire plug, a first connector is inserted into the charging socket, and a wire is fixedly connected to the top end of the first connector. The top end of the wire is fixedly connected with a second connector, and the top end of the second connector is provided with a Type-C male connector. Through the arrangement of the grounding wire and the three-wire plug, induced electricity generated on the metal surface of the notebook computer is discharged, so that a user is prevented from feeling uncomfortable when touching the notebook computer during use, and the use experience of the user is improved; in addition, by arranging the additional three-wire plug, the cost is lower than that of directly using a grounding power supply, so that the purpose of reducing the expenditure is achieved; by reducing the induced electricity, the problem of bottom noise generated when the notebook computer is connected with the earphone can be effectively reduced, and the situation that current sound appears in the process of using the earphone is avoided.

The utility model discloses a powder surface modification device. The powder surface modification device comprises a reaction kettle, a settling box and a drying box which are connected in sequence, a feeding pipeline is arranged at a position, close to the side wall, of the bottom of the reaction kettle; a first spraying pipe and a second spraying pipe are arranged at the top of the reaction kettle; a stirring motor is arranged in the middle of the top of the reaction kettle, and a first discharging pipeline is arranged in the middle of the bottom of the reaction kettle; the end part of a rotating shaft of the stirring motor is fixedly connected with a dispersing paddle; the second discharging pipeline is arranged above the side wall of the reaction kettle; the second discharging pipeline is connected to the upper part of the settling box; the settling box and the drying box are arranged above the conveying belt, and the drying box is arranged at the position, relative to the rear portion of the conveying belt, of the settling box. According to the continuous powder surface modification device, the continuous powder surface modification process is realized, the problem of low efficiency caused by traditional intermittent production is solved, the production efficiency is improved, and the cost expenditure is reduced.

The present invention discloses a welding bushing for a twin-screw pump and a manufacturing process, which relates to the technical field of a twin-screw pump, can reduce the cost required for manufacturing, and provides a manufacturing process for the bushing, which is used to quickly manufacture the welding bushing for the twin-screw pump. The bushing includes two total sleeves welded by a first sleeve and a second sleeve, and end plates arranged at both ends of the two total sleeves. The total sleeve has a conveying cavity for passing a twin screw. The two total sleeves are coaxially welded through a first connecting portion, and the two end plates are respectively welded to the respective adjacent total sleeves through a second connecting portion; the outer sides of the two total sleeves are respectively sleeved and welded with connecting plates. All components of the present invention are connected by welding, and can be obtained by cutting suitable steel plates and steel pipes. It is convenient to obtain materials, and can be manufactured for twin-screw pumps of different specifications, which reduces the expenditure on molds and has less possibility of defects.

The purpose of the present invention is to provide a water-based paint recovery mechanism for musical instrument painting, which is characterized by: consisting of a spray room, multiple spray booths, a recovery tank, a recovery hole, two hanging columns and a track frame, each spray booth is provided with a spray booth support frame, four rollers and a paint mist collection membrane, and the lower part of the track frame is provided with multiple musical instrument hanging buckles; the entire mechanism has a simple structure and is easy to operate, and is used for water-based paint painting of musical instruments, and the spray booth adopts a condensing cabinet, so that when the water-based paint mist is sprayed onto the cabinet surface, it will not solidify, so that the paint flows into the recovery tank in a liquid state, reducing the environmental pollution of the spraying operation and reducing the emission of water-based paint painting, avoiding the waste of water-based paint, and reducing the cost expenditure of the enterprise, allowing the paint to flow into the recovery tank in a liquid state for recycling and reuse, saving resources, avoiding waste, and improving the reuse rate of the water-based paint recovery mechanism, which can more effectively achieve environmental protection and saving effects.