120results about How to "Save people" patented technology

The invention relates to an electronic commerce supply chain management system, comprising a purchasing management unit, a marketing management unit, an order-receiving management unit, a warehousing management unit, an authority management unit and a system management unit, wherein the electronic commerce supply chain management system performs unified and coordinated management on the purchasing, marketing, order-receiving, warehousing, settlement, authority-controlling, basic information, and internal and organizational structures of the system of commodities, and completes the corresponding function by each executing unit, so that the purchasing, marketing, warehousing and inventory become very clear; the electronic commerce supply chain management system does not only save a lot of manpower and material resources, but also shortens a large amount of process, and optimizes the picking, allocation and delivery procedures, so that the user saves a lot of staff and express costs; and the electronic commerce supply chain management system further greatly shortens the delivery cycle, and improves the delivery efficiency, so that the user can complete the whole logistics procedure from purchasing to delivering of the commodities more rapidly and frugally.

The invention discloses a fabricated steel-profiled steel sheet concrete combined board small box girder, and belongs to the field of civil engineering. The invention solves the problem of long construction time of the field pouring of the existing steel-concrete combined box girder. The small box girder comprises a steel box and profiled steel sheet concrete combined bridge panels; two rectangular box structures formed by corrugated steel web plates are welded on the surface of the steel bottom plate; upper steel braces are arranged on the upper edge end faces of the corrugated steel web plates, and the profiled steel sheet concrete combined bridge panels are arranged on two upper steel braces; the profiled steel sheet concrete combined bridge panel is formed by pouring and prefabricating concrete on the profiled steel plate with a reinforcing mesh; multiple reserve holes are arranged on the concrete board, and stud groups are welded in the reserve holes; concrete is poured in the reserve holes. Through the prefabrication and overall assembly of components, the small box girder can meet the demand of bridge construction of a modernized city, thus the construction influence on surrounding environment is reduced, the fast construction with few people is realized.

The invention discloses a train braking hardware-in-the-loop simulation testing stand and method, relating to the technical field of train brake tests. The testing stand comprises a testing-stand virtual part, a testing-stand hardware part and a data collection and signal conversion circuit, wherein the testing-stand virtual part comprises a man-machine interactive interface, a virtual train module for simulating a train and operational environment of the train, and a virtual electric braking module for providing a virtual electric braking force, the testing-stand hardware part comprises a driver controller for generating a train brake instruction and air brakes for providing air brake hardware required by tests, the number of the air brakes matches the marshalling number of a virtual train, and the data collection and signal conversion circuit is used for providing information exchange interfaces of the testing-stand virtual part and the testing-stand hardware part. The testing stand and method take full consideration of the complexity and high non-linearity of brakes, the testing result is accurate, and consumption of tests is greatly reduced.

The invention discloses a continuous drying chamber for a wet ceramic green, belonging to the technical field of ceramic production equipment and used for automatic drying in production of molded wet ceramic green. In a technical scheme disclosed by the invention, the continuous drying chamber is composed of a drying chamber main body, a drying chamber inlet conveying line, an advancing and lifting mechanism, roller shelves, a receiving and lifting mechanism, a drying chamber outlet conveying line, hot air stirrers, a heat supply device, a dampness removing device and a PLC (Programmable Logic Controller) system, wherein the advancing and lifting mechanism and the receiving and lifting mechanism are arranged at two ends of the drying chamber and are respectively the drying chamber inlet conveying line and the drying chamber outlet conveying line, the roller shelves are arranged between the advancing and lifting mechanism and the receiving and lifting mechanism, a plurality of hot air stirrers are arranged among the roller shelves, the heat supply device and the dampness removing device are respectively communicated with the drying chamber main body, and the PLC control device is respectively connected with the mechanisms and devices. According to the invention, the automatic drying of molded wet ceramic green is realized without manual carrying, damages caused by manual operation are avoided, the utilization rate of a production field is increased, and the drying effect is enhanced.

The invention relates to a brand-new branch gas station, only consisting of a gas adding machine, a priority sequence controller and a plurality of gas storage devices. The branch gas station has the technical characteristics that each gas storage device is composed of a plurality of gas tanks which are filled with high pressure compressed natural gas (CNG) of 25 MPa, the gas storage devices alternatively and cyclically provide high pressure CNG to form alternate recycle high pressure technology, solving the problem that the gas storage devices need a compressor or a hydraulic pump sell the remaining gas by pressurization, saving the massive equipment investment such as compressor, hydraulic pump, intra-station gas tank group and the like and easily standardizing the three major components: the gas adding machine, the priority sequence controller and the gas storage devices, being free from daily consumption such as power supply, mechanical wear and the like; in addition, the branch gas station is matched with a major gas station and pursues the technical road featuring L-CNG and is easily and rapidly replicated in cities throughout the country, thus enjoying the possibility of changing the backward situation at home where for the past dozens of years, CNG stations are hard to be integrated into a complete sales network.

The invention discloses a method for making foods by ultrasonic waves. According to the technical scheme, in the food processing process, the temperature is between -5 DEG C and 95 DEG C, and the adopted ultrasonic frequency is 20-200 KHz. The novel method has the beneficial effects of no production of harmful substances during processing, short production period, few production procedures, saving of places and workers as well as water and power and reduction of three-waste emission, and is capable of keeping the nutrition, flavor and safety of foods.

The invention provides a method for writing the electronic barcode information of a product. The method for writing the electronic barcode information of the product is characterized by comprising the following steps that (a) a smart terminal scans a barcode on the product, and acquires the electronic barcode information of the product; (b) the smart terminal acquires the equipment information of wireless equipment of the product; (c) the electronic barcode information is sent to a controller of the product through the connection established between wireless equipment of the smart terminal and the wireless equipment of the product; (d) the controller of the product stores the received electronic barcode information to a storer of the product; (e) the smart terminal enables the electronic barcode information and the equipment information of the wireless equipment of the product to be stored in a storer of the smart terminal in a paired mode, wherein the sequence of the step (a) and the sequence of the step (b) can be interchanged.

An automatic washer is provided. The automatic washer includes a washer body having a receiving groove, a washing container rotatably disposed in the receiving groove to contain vegetables or fruits therein, a washing container rotation module disposed on the washer body to rotate the washing container, a water supply and discharge module disposed on the washer body to control supply and discharge of washing water, a control module disposed on the washer body to control operations of the washing container rotation module and the water supply and discharge module, a cover openably disposed on the washer body, the cover including a rib on an inner surface thereof, and a power supply module supplying a power into the washing container rotation module and the water supply and discharge module.

The invention discloses a ship blocking cable applicable to a reservoir in a north cold region. The ship blocking cable comprises two steel guide posts which are respectively and vertically fixed at the both sides of the reservoir, each steel guide post is sleeved with a floating box capable of moving up and down along the steel guide post, and the two floating tanks are connected with a steel cable through a cable locking mechanism; a plurality of floats are fixed on the steel cable, and the top of the steel guide posts are provided with a winch which pulls the floating tanks to move up and down; a plurality of guide rails are vertically arranged on the outer surfaces of the steel guide posts, the floating boxes are fixed with light rail wheels, the wheel shafts of the light rail wheels are rolling wheel shafts, and retainer springs are arranged at the two sides of the wheel shaft rods so that the light rail wheels on the floating tanks are clamped on the guide rails and the light rail wheels slide along the guide rails up and down so as to drive the floating tanks to move up and down along the steel guide posts. According to the ship blocking cable provided by the invention, the ship block cable can be lifted to the water level along the steel guide posts through lifting equipment, so as to prevent equipments from being destroyed due to freezing the water in the reservoir in winter; furthermore, the ship blocking cable does not have any dead zone and is convenient to operate, and is applicable to various climatic conditions and the variation of water level.

The invention relates to an automatic drill rod blowout prevention buckle cleaning machine. The automatic drill rod blowout prevention buckle cleaning machine comprises a manipulator assembly and a working assembly. The working assembly comprises a buckle cleaning device and a blowout prevention device, wherein the buckle cleaning device comprises a rotary disc mechanism, a righting mechanism, anexternal thread brushing mechanism, an internal thread brushing mechanism and an oil throwing mechanism, and the external thread brushing mechanism, the internal thread brushing mechanism and the oilthrowing mechanism are arranged on the rotary disc mechanism. The automatic drill rod blowout prevention buckle cleaning machine can quickly and effectively clean drill rod joint threads, and can coatthe drill rod joints with thread oil and right the drill rod joints, so that the drill rod joints can be quickly butted, the automation level of drill rod operation equipment is effectively improved,the working efficiency is improved, the number of workers on a drill floor is reduced, and the risk of manual operation is reduced. Meanwhile, the automatic drill rod blowout prevention buckle cleaning machine also has a blowout prevention function, and prevents drilling fluid in a lifted drill rod from overflowing to pollute the drill floor when the joint threads are unscrewed; and the blowout prevention device and the buckle cleaning device can be conveniently and quickly replaced with each other, so that the automatic drill rod blowout prevention buckle cleaning machine is multipurpose andwider in application, and the safety and efficiency of petroleum and gas drilling operation are effectively improved.

The invention relates to a solar air source heat pump device used for vegetable and fruit drying. The solar air source heat pump device is mainly used for solving the drying problem of various kinds of farm products. Drying equipment mainly comprises a solar air source heat pump system, a machine frame, a drying chamber, a material feeding device, a material discharging device, a lifting device and object carrying plates, wherein the object carrying plates are arranged in the drying chamber, and in addition, the material feeding device, the lifting device and the material discharging device are positioned on the machine frame. The solar air source heat pump system provides heat sources for the drying equipment, the energy is saved, the consumption is reduced, and in addition, the pollution is avoided. The lifting device is mainly used for lifting the object carrying plates, the material discharging device can conveniently and smoothly push out the firstly dried object carrying plates. 15 layers of object carrying plates are placed in the drying chamber, the object carrying plates are overlapped, the hot air utilization rate is improved, and the drying time and the air drying field of farm products are reduced. Under the effects of the material feeding device, the material discharging device, the lifting device and the solar air source heat pump system, the equipment can realize the automatic material discharging, the automatic material feeding and the temperature regulation operation, the work time and the labor resources are saved, and the production efficiency and the energy source utilization rate are improved. The solar air source heat pump device has the advantages that the structure is simple, the operation is convenient, and the automation and flow line operation is convenient.

The invention discloses a method for manufacturing a seamless copper pipe, and a rod core used for a cold rolling mill. The method comprises the following steps of: casting a solid billet from high-purity cathode copper by using a semi continuous casting machine; heating the solid billet to the temperature of between 800 and 900 DEG C by using a fuel gas heating furnace; extruding a thick-walled tube blank by using a horizontal double-action extruding machine; and rolling the tube blank into a required seamless copper pipe by using a cold pilgering mill. The rod core used for the cold rolling mill consists of a plurality of continuous cylinders and frustums. By the manufacturing method of the invention, copper pipes with thicker walls and smaller holes can be manufactured, and the production cost of manufacturers is reduced.

The invention discloses an automobile shock absorber connecting rod and locating sleeve welding and detection all-in-one machine and belongs to the technical field of automobile component machining equipment. The all-in-one machine is used for conducting welding and strength detection on an automobile shock absorber connecting rod and a locating sleeve. According to the technical scheme, the all-in-one machine adopts a 6-station turntable structure and integrates welding, demagnetization and strength detection. The all-in-one machine comprises a frame, a base, a motor, a reducer, a cam indexer, a rotary work table, a workpiece detection mechanism, a welding mechanism, a demagnetization mechanism and a strength detection mechanism. The all-in-one machine can achieve stepless adjustment of the locating sleeve in the connecting rod length direction, the welding mechanism can achieve the precise and automatic welding of two sets of welding points in narrow space, and the strength detection mechanism can conduct rapid and reliable detection on product quality. The all-in-one machine breaks through a traditional production pattern of the locating sleeve and the connecting rod, the number of personnel is reduced, the space occupancy of the equipment is reduced, the production capacity is improved, the automatic level of production is greatly improved, and the remarkable economic benefit is achieved.

The invention discloses an adjustable universal wind grating for a glass toughening furnace. The adjustable universal wind grating comprises wind grating fixing frames, an upper wind grating body and a lower wind grating body, wherein upper and lower wind grating body lifting mechanisms are arranged on the wind grating fixing frames, and each lifting mechanism comprises motor-driven rising and falling lead screws. The adjustable universal wind grating is characterized by further comprising flank wind gratings arranged at the two sides of the upper and lower wind grating bodies, wherein swinging devices which are used for driving the flank wind gratings to rotate are further arranged on the wind grating fixing frames, and wind guiding ports which communicate with one another are formed in the upper and lower wind grating bodies and the flank wind gratings. According to the adjustable universal wind grating for the glass toughening furnace, disclosed by the invention, the wind gratings are not required to be frequently replaced according to glass of different specifications any more, so that the time and personnel for replacing the wind gratings are saved, the equipment productivity and production efficiency are increased, intelligent control is achieved, and the degree of automation is high; and wind energy can be put into effective use, so that the glass toughening cost is reduced.

The invention discloses an isotope-labeled method for measuring the pressure bearing water quantity of a water-intercepted bottom plate. The method comprises the steps of firstly, performing fine detection on the hydrogeological condition of a coal working face bottom plate; then arranging a curtain intercepting tunnel in a coal seam during underground construction, arranging a curtain line at the curtain intercepting tunnel, and performing curtain grouting on grouting holes in sequence; cross-heading the working face up and down, drilling a downward inclined bore as a feeding hole in the coal seam at each interval, and drilling an observation hole between the adjacent feeding holes; and finally, calculating the pressure bearing water quantity of the bottom plate and the supply speed of a secondary water source on the pressure bearing water of the bottom plate. The method has an important guiding significance for drainage equipment selection and required cost during artificial drainage after the water source in a mine threatened by the pressure bearing water is intercepted, has the characteristics of high safety, good reliability, simplicity in construction, low cost and the like, and therefore has good technical promotion value.

The invention discloses an equipment sharing, tracking, authorizing, a borrowing and returning closed-loop system. The system comprises a cloud management platform, equipment and a mobile phone clientside, wherein the cloud management platform is in signal connection with the equipment and the mobile phone client side, the equipment comprises a tracking positioning device and an authorization usage device connected through GPRS, the equipment is in signal connection with an unmanned intelligent returning and acceptance device, the unmanned intelligent returning and acceptance device comprisesa reader-writer and a cloud interface, and the mobile phone client side is used for installing an APP and transmits appointed equipment usage time and a usage site to the cloud management platform. The system has the advantages that an equipment user does not need to purchase the equipment with a high price, just needs to pay guarantee deposit when needing the equipment, and the equipment implementing service can be adopted with low cost; the equipment usage time and site can be managed, and the equipment is effectively prevented from being abused or stolen in the sharing and leasing period;unmanned returning and acceptance are achieved, the personnel and the cost are saved, intelligent returning and acceptance are achieved, and a large number of equipment release points can be built.

The invention discloses a coal mine power supply monitoring system and method applicable to various protocol comprehensive protectors. The system comprises a field bus network formed by a power monitoring station, a signal isolator and a comprehensive protector and an industrial Ethernet formed by an upper computer, ground network switches, underground network switches and the power monitoring station. According to the invention, configuration software of the upper computer reads and writes register data of programmable serial controllers forming the power monitoring station, displays the data in real time and issues an instruction, embedded software of the programmable serial controllers controls serial ports thereof to send an inspection and action instruction, data sent by the comprehensive protector is received and stored, and the comprehensive protector collects states and data of a switch and controls the switch to operate. The system and method disclosed by the invention overcome a defect that a coal mine power supply monitoring system at present can only monitor a specific protocol comprehensive protector and is in universality, realize grouped multichannel parallel communication with various different communication protocol comprehensive protectors in batches, and solve an access problem of different specifications of comprehensive protectors provided by different manufacturers in the construction process of the coal mine power supply monitoring system.

The invention discloses a rolling and roundness correcting all-in-one machine. The rolling and roundness correcting all-in-one machine comprises a machine body, a mandrel, a rolling wheel and a rubberroller, wherein one end of the mandrel is arranged on the machine body, and the mandrel is annularly sleeved with a to-be-machined workpiece; the rolling wheel is arranged above the mandrel, and therolling wheel can move in the length direction of the mandrel; the grinding wheel is pushed by a first pushing mechanism to get close to the mandrel so as to grind the workpiece, so that the weld joint generates plastic deformation; and the rubber roller is arranged on the machine body, the rubber roller is pushed by a second pushing mechanism to get close to the mandrel, and the rubber roller isdriven by a motor to rotate. The rolling and roundness correcting all-in-one machine is diversified in structure, welding joint grinding and roundness correction can be carried out, the mandrel servesas a mandrel for rolling and a mandrel for grinding, the whole equipment is simple in mechanism and small in size, the occupied space of the equipment is saved, two original procedures are saved to one procedure, personnel are reduced, turnover is reduced, and the work efficiency is improved.

The invention relates to the technical fields of automatic slicers for areca nuts and slicing methods, in particular to an automatic centering slicer for areca nuts and a slicing method thereof. The automatic centering slicer for the areca nuts comprises an automatic delivery mechanism, also comprises an automatic feeding mechanism, a control device and a cutting device. An automatic production pattern is adopted, operators and the working strength are greatly reduced, the slicer can slice 7,000-12,000 areca nuts per hour without burrs, centering deviation is extremely small, and the benefit of a consumer is considered. The invention also provides the slicing method for the automatic centering slicer for the areca nuts. The process is fully automatic, the slicing efficiency is high, and the quality is good.

The invention relates to a son-mother gas filling station, which consists of a compressor or a low-temperature pump, a trailer cylinder and a gas filling machine. The son-mother gas filling station is technically characterized in that the compressor or the low-temperature pump increases outlet pressure to fill gas into the trailer cylinder, so that the pressure in the trailer cylinder is higher than the pressure in a vehicle cylinder, and the gas filling for the vehicle cylinder is completed through connection with the gas filling machine. The technical scheme greatly simplifies the technological flow, and is simple, efficient, energy-saving and safer. The terminal gas filling part of the son-mother gas filling station requires no power-driven power supply or transformer, thereby saving the labor and the cost of power consumption, and the gas filling terminal (son station) part can be easily constructed; the area directly occupied by the equipment is small, and the son station expanding speed is high; the investment in large-scale equipment such as a compressor leveling body, a hydraulic leveling body and the like is saved; the zero pollution and zero emission are realized; and the gas filling capability can be easily enhanced, and the invention avoids the problems of power consumption of the son station, mechanical wear and the like in the prior art. The gas filling terminal part of the son-mother gas filling station can fill gas into the vehicle cylinder in any place in a movable or fixed way.

The invention relates to an automatic elevation machine for a paper cutter, which is matched with the paper cutter to use, and comprises a machine body, an elevation platform which is arranged on the machine body, a hydraulic power device for driving the elevation platform to move and a photoelectric detection device for detecting the elevation height as well as a control operation panel for controlling the running of the entire machine, wherein both the hydraulic power device and the photoelectric detection device are connected with the control operation panel through a circuit, and the control operation panel is provided with a pressing operation switch. The automatic elevation machine can be matched with the paper cutter to use, the elevation height of the automatic elevation machine is adjusted according to the real requirement, the elevation machine automatically ascends to a set position after a paper pile is withdrawn, the elevation machine automatically descends to return on the original position after the paper pile is completely used, so the paper pile can be automatically maintained at a preset height position, the paper is convenient to load or unload, the heavy operation for moving the paper pile up and down can be avoided, the cutting work efficiency can be improved, and the potential of the program-controlled paper cutter can be adequately played; and the labor can be saved, the labor intensity can be reduced, the work efficiency can be greatly improved, and the automatic elevation machine has a simple structure, is safe and reliable and is convenient to operate.

The invention relates to a maintenance tool, namely a disconnector maintenance hoisting bracket. The disconnector maintenance hoisting bracket comprises an upright rod; and the upper end of the upright rod is provided with a hanging hole for hanging a pulley. A base is arranged below the upright rod; two screw rods are respectively arranged on the base at the two sides of the upright rod; a pressing plate capable of moving and adjusting up and down is arranged on the base and is provided with three holes, and the two screw rods and the upright rod correspondingly pass through the three holes; and each screw rod is provided with a locking nut. The invention has the advantages that through shortening the length of embracing rods and changing the fixed mode of the embracing rods, the weight is reduced, so that the disconnector maintenance hoisting bracket is convenient to fixedly connect on the site, is light and flexible, is quick and convenient to disassemble and is safe and reliable; the work intensity is reduced, the condition that a plurality of persons maintain a group of switches is eliminated, and the labor efficiency is improved; the labor output is reduced, the work efficiency is high, and the maintenance quality is ensured.

The invention features using visual media to determine the location of an event or a meeting. The same could be used to locate people at an event or location. The invention entails the creation of a meeting scenario with certain invitees in mind, the creation and assignment of a unique visual image specific to the meeting scenario, transmission of the unique image and display of the image for invitees to identify or be directed to the event. The invention may implemented by steps, systems and computer program products which all enable user participation.

The invention provides a method for automatically installing a wireless microphone. The automatic installing method comprises: dividing every two transmitters into one group and performing circulatory frequency sweep detection on all groups; using a receiver to control every two transmitters to be turned off before frequency sweep, searching all available channels and finding out a plurality of channels with less interference, recording the channels with less interference in a list, and using the channels as initial frequency sweeping channels; in the circulatory detection, if the reception intensity of any signal is over a set value, using the receiver to control a corresponding transmitter to add a channel upwardly and then performing same detection and determination until no interference is detected in the current channel. In the method for automatically installing a wireless microphone, frequency sweep is performed on using environment in advance in order to prevent all wireless microphones required to be automatically adjusted and installed from being automatically installed from a same channel, thereby enhancing installing efficiency.

The invention discloses a medicine taking apparatus and method. The medicine taking apparatus comprises a processing module and a medicine taking module, wherein the processing module sends a medicine taking instruction according to prescription information, and the prescription information is sent by a diagnosis apparatus; and the medicine taking module performs medicine dispensing and taking according to the medicine taking instruction sent by the processing module and conveys dispensed and taken medicines to a medicine discharge cabin through a conveying unit. According to the medicine taking apparatus and method, the effects of reducing personnel, improving efficiency, reducing costs and quickly performing medicine dispensing and conveying processes are achieved.

The invention relates to bidding document receiving and sorting equipment and a method thereof. The bidding document receiving and sorting equipment comprises a shell, a main conveying belt, a first guide belt, a first lifting mechanism, a middle conveying belt, a second lifting mechanism and a second guide belt; the shell is provided with a delivery port; a first end of the main conveying belt penetrates through the delivery port and extends to the outer side of the shell; the first guide belt is perpendicular to the main conveying belt and is used for bearing bidding documents delivered by the main conveying belt under the natural state; the first lifting mechanism is connected with the first guide belt; the middle conveying belt is parallel to the main conveying belt and is used for bearing the bidding documents delivered by the main conveying belt under the working state; the second lifting mechanism is connected with the middle conveying belt; and the second guide belt is used forbearing the bidding documents delivered by the middle conveying belt. The bidding document receiving and sorting equipment can automatically receive and sort the bidding documents, the time and laborare saved, personnel and sites are saved, and the work efficiency is improved.

The invention discloses a vacuumizing assisted double-color injection moulding device which comprises an injection moulding machine, a two-color encapsulation machine and a vacuumizing machine, wherein a mould is arranged on the injection moulding machine; the mould comprises a front mould and a rear mould; the front mould and the rear mould cooperate to form a mould cavity for injection moulding;a nozzle is arranged on the injection moulding machine; a main sprue connected with the nozzle of the injection moulding machine is formed in the front mould; the main sprue is connected with a runner; the runner is connected with the mould cavity through the sprue; a first-color raw material is injected into the mould cavity through the nozzle of the injection moulding machine to form a one-color product; the rear mould of the mould rotates; a nozzle is formed on one side of a two-color encapsulation machine; a two-color sprue bush connected with the nozzle of the two-color encapsulation machine is arranged on the front mould; a main sprue connected with the nozzle of the two-color encapsulation machine is formed in the mould. When the device is put into use, the capacity and yield are greatly improved, a full-automatic way is realized, and an aim of reducing the human and material cost is achieved; thus the device is suitable for industrial popularization.

The invention relates to a preparation method of tetracycline hydrochloride. The preparation method comprises mixing tetracycline and butanol to obtain a uniform mixture, adjusting pH to 1.7-1.9, slowly heating the mixture to a temperature of 50-52 DEG C, carrying out thermal insulation for 60-90min, carrying out cooling crystallization, then carrying out vacuum extraction on the crystallization liquid, carrying out washing by acetone, carrying out vacuum drying and carrying out baking drying to obtain tetracycline hydrochloride. The tetracycline hydrochloride is prepared from tetracycline by one step. A urea double salt process is reduced so that a process yield loss is avoided, workers are reduced, production devices are reduced, a urea loss is avoided and a production cost is reduced. The process flow is shortened so that an intermediate material is timely treated, intermediate material storage and treatment time is greatly shortened, tetracycline degradation reaction probability is effectively reduced and product quality is improved.

The invention relates to an integral press-fitting and welding process for a heavy-duty transmission shaft. The integral press-fitting and welding process comprises the steps of 1, universal joint assembling; 2, assembly press fitting; 3, assembly straightening and welding; 4, post-welding run-out detecting and straightening; and 5, dynamic balance detecting. The process has the beneficial effectsthat personnel of a production line are reduced, the length of the production line is shortened, and assembling of universal joint assemblies can be completed in advance according to a forecast order; and in the producing procedure, for the same specification, just travel adjustment needs to be carried out according to the lengths of different shaft pipes, so that the production efficiency is improved.