69results about How to "Ensure the quality is qualified" patented technology

A method for extracting and refining rutin comprises the following steps of (1) extraction: smashing raw materials, adding organic solvent into the smashed raw materials, performing extraction for 2-4 times, mixing extracting solution and concentrating the mixed extracting solution to thick extract with organic solvent content smaller than or equal to 5wt%; (2) alkali dissolution-acid sediment: adding alkaline water into the thick extract, then heating the mixture and stirring, filtering the heated mixture, regulating pH of alkaline filtrate to be 3-4, standing, filtering, drying to obtain a rutin pure product; and (3) mother liquor treatment: enabling obtained acid mother liquor to penetrate through a chromatographic column filled with resin, after the acid mother liquor penetrates through the chromatographic column, firstly using deionized water to wash a column bed until outflow liquid is neutral and colorless, introducing eluent into the chromatographic column and collecting eluate until outflow liquid is colorless, concentrating the eluate to the volume which is 5-10% of the original volume in a pressure reduction mode, cooling the concentrated eluate to achieve crystallization, filtering, using the deionized water to elute a filter cake, and drying the eluted filter cake to obtain a mother liquor rutin product. The prepared rutin is high in yield and purity, and the quality of the rutin reaches the international standard.

The production process can produce double wall corrugated pipe of hard polyvinyl chloride and in the caliber up to 800 mm and the corrugated pipe is used for conveying liquid or solid material and protecting under ground wires. The production process includes the following steps: preparing materials including PVC resin, composite stabilizer, stearic acid, PE wax, chlorinated polyethylene and calcium carbonate; kneading the materials in a high speed kneading machine for 12-16 min, stirring in low speed cold mixer at 115-125 deg.c, extruding in a double screw extruder at 90-210 deg.c, setting and drawing in a blowing and sucking molding formation machine, cutting and flaring.

The invention discloses a crude oil online blending optimization method facing to asphaltene control. The method is applied to the crude oil processing enterprises and comprises the following steps: under the condition of satisfying nonlinear constraint of the asphalt penetration index, selecting an optimal object to perform the optimization and blending, and computing to obtain the optimal blending formula. The crude oil online blending optimization method has the benefits of being capable of avoiding damage to the atmospheric and vacuum and subsequent processing device due to the crude oil property content change while guaranteeing that the asphalt temperature sensitivity index meets the quality requirement, and improving the production efficiency and economic benefit.

The invention relates to a zero-discharge treatment method for salt-containing coal-chemical wastewater. The method comprises the following steps: (1) pretreatment; (2) reverse osmosis treatment; (3)advanced oxidation; (4) biochemical treatment; (5) electrodialytic concentration; and (6) cyclic crystallization. Compared with the prior art, the zero-discharge treatment method for salt-containing wastewater provided by the invention achieves zero discharge or almost zero discharge of coal chemical wastewater, improves the recovery rate of salt, can recover high-quality sodium sulfate, mirabilite and sodium chloride and realizes recycling of crystalline salt; a membrane treatment unit is stable in process, long in operation cycle and low in cost; and the method has good economical performance.

The invention discloses a medical equipment cleaning, drying and disinfecting all-in-one machine. The medical equipment cleaning, drying and disinfecting all-in-one machine comprises a cleaning and drying box, a second driving motor, a third driving motor and a control box. A drying and disinfecting box is arranged on the right side of the cleaning and drying box. A cleaning assembly is arranged in the cleaning and drying box. A second hydraulic cylinder is arranged on the upper side of a partition plate. A sliding way is formed in the inner lower side of the drying and disinfecting box. A first supporting rod is fixed to the upper side of a sliding block. An electric heater is arranged in a first U-shaped plate. A sealing door is rotatably connected to the drying and disinfecting box. Themedical equipment cleaning, drying and disinfecting all-in-one machine is provided with the cleaning assembly. A first nozzle in the cleaning assembly is used for up-and-down high-pressure washing ofa scalpel on a first conveying belt. An electric heater and an ultraviolet sterilization lamp are arranged. The electric heater on the lower side of a sealing cover can be subjected to high-temperature drying and sterilization treatment. The electric heater on the first U-shaped plate is subjected to high-temperature drying and sterilization again. Finally, sterilization is carried out under theaction of the ultraviolet sterilization lamp.

The invention relates to a manufacturing method of a PP (polypropylene) double-wall corrugated pipe.An outer wall pipe body of the PP double-wall corrugated pipe comprises, by weight, 50-60 parts of polypropylene resin, 4-7 parts of reclaimed materials, 20-40 parts of immobilized filling materials, 4-5 parts of stearic acid, 3-5 parts of desiccants, 2-5 parts of black masterbatch and 5-10 parts of talcum powder, and an inner wall pipe body of the PP double-wall corrugated pipe comprises, by weight, 45-65 parts of polypropylene resin, 4-7 parts of reclaimed materials, 20-40 parts of immobilized filling materials, 4-5 parts of stearic acid, 3-5 parts of desiccants, 2-5 parts of blue masterbatch and 5-10 parts of talcum powder.The manufacturing method includes mixing the raw materials doubly, feeding in a vacuum manner, forcibly feeding regularly and quantitatively, extruding the mixed raw materials in a twin-cone twin-screw extruder, subjecting extruded pipe blanks to shaped drawing on a molding machine by segmented control while a flaring forming process is conducted, and cutting.The manufacturing method of the PP double-wall corrugated pipe has the advantages that production can be conducted continuously, a good plasticizing effect is achieved to enable the manufactured double-wall corrugated pipe to be uniform, yield is stable and quality of the finished pipe can be improved.

The invention relates to a method for rapidly eliminating acid phosphate hide-out of a coke dry quenching waste heat boiler. The pH value of feed water of the boiler is controlled, after the acid phosphate hide-out phenomenon occurs, the pH value of the feed water is required to be controlled at an upper limit value 9.2; and an automatic secondary ammonia adding is increased for a complete condensation unit, when the pH value of the feed water is lower than 8.8, an ammonia adding pump is started to ensure that the pH value of the feed water is qualified; and if the pH value is lower continuously, guaranteed sodium hydroxide is added. The method disclosed by the invention has the advantages of eliminating the acid phosphate hide-out phenomenon, keeping the pH value of boiler water at 9.2-10.8, ensuring that the quality of steam water of the boiler is qualified, preventing scale formation of the boiler, ensuring long-term safe and stable operation of the boiler, preventing performing acid washing on the boiler in advance due to scale formation caused by the acid phosphate hide-out phenomenon during the operation of the coke dry quenching waste heat boiler and avoiding the occurrence of coke dry quenching pipe explosion phenomenon caused by scale formation.

The invention provides a degassing and deslagging device for aluminum liquid. The degassing and deslagging device comprises a gas storage bottle and a storage tank, wherein gas for the degassing and deslagging of the aluminum liquid is stored in the gas storage bottle. The degassing and deslagging device is characterized in that: a deslagging agent is sealed in the storage tank; a gas pipeline is arranged between the gas storage bottle and the storage tank, the gas in the gas storage bottle is introduced into the storage tank by the gas pipeline in the controlled state; a discharging pipe is arranged at the lower end of the storage tank; a heat-resisting pipe is connected to the back of the discharging pipe; a branch pipeline is arranged on the gas pipeline; and the other end of the branch pipeline is connected to the discharging pipe or is connected to the heat-resisting pipe. According to the degassing and deslagging device, the deslagging agent is blown into the bottom of the aluminum liquid by nitrogen, inertia nitrogen and the deslagging agent of which the specific gravity is smaller than that of the aluminum liquid are floated upwards automatically to carry away hydrogen and impurities in the aluminum liquid, so that gas content in the aluminum liquid is reduced effectively and the impurities in the aluminum liquid are removed effectively, and the quality conformance of the aluminum liquid is ensured; and the deslagging agent is driven by the gas to be diffused in the aluminum liquid, so that the deslagging agent can be distributed at the bottom of the aluminum liquid uniformly, and the integral degassing and deslagging effect is good.

A method for separating and purifying coenzyme Q10 from a microorganism comprises the following steps of: (1) crushing, (2) extracting, (3) chromatography and (4) crystallization. With the adoption of the method for preparing the coenzyme Q10, the extraction rate and yield of the coenzyme Q10 can be guaranteed, and the quality conformance of a coenzyme Q10 product can be further ensured. The method is simple in technology, low in production cost and small in environmental pollution and is appropriate for industrial production.

The invention belongs to the technical field of production of heating-free direct rolling of square and round billets, and relates to a control system for producing directly rolled casting billets anda control method thereof. The device comprises a casting billet shearing system, a sheared roller way, a conveying roller way, a billet discharging roller way, a converging roller way, a casting billet transverse moving device, a casting billet temperature measuring device, a control system, a secondary cooling water pipeline, a flow regulating valve and a nozzle. According to the control systemand the control method, whether the temperature of the casting billets meets the requirement of direct rolling on the temperature of the casting billets can be judged in time, and when the temperatureof the casting billets meets the requirement, a roller way is started to rapidly send the casting billets to steel rolling for rolling; when the temperature of the casting billets cannot meet the requirement of the direct rolling temperature, back-zone equipment is started, the casting billets are hoisted to be offline, and the secondary cooling water amount is adjusted according to factors suchas the measured temperature, the secondary cooling water inlet temperature, the molten steel superheat degree, and the historical effective casting speed of the casting billets in the secondary cooling spraying section to adjust the temperature of the casting billets to meet the requirement of the direct rolling.

The invention discloses a low-density flexible high-thermal-conductivity wave-absorbing silica gel sheet. The sheet is characterized by being prepared from the following components in parts by weight:100 parts of vinyl silicone oil, 10 to 30 parts of organic silicon resin, 60 to 80 parts of raw rubber, 5 to 10 parts of a cross-linking agent, 1000 to 1500 parts of a low-density filler and 80 to 100 parts of a wave-absorbing filler, wherein the wave-absorbing filler comprises 75 to 95 parts of barium ferrite coated hollow glass beads, 5 to 25 parts of magnetic multilayer carbon nanotubes, 0.1 to 0.5 part of a catalyst and 0.1 to 0.2 part of an inhibitor, and the low-density filler is one or a mixture selected from the group consisting of aluminum oxide, magnesium oxide, boron nitride, aluminum nitride and beryllium oxide. The invention also discloses a preparation method and equipment of the silica gel sheet. According to the low-density flexible high-thermal-conductivity wave-absorbingsilica gel sheet and the preparation method and equipment provided by the invention, with synchronous improvement of material, process and equipment, the prepared silica gel sheet has low density, flexibility, high thermal conductivity and a wave-absorbing function, and the production process and the production equipment are simplified.

The invention relates to an enterprise resource planning system, and the system comprises a sales management module, a basic information module, a production planning module, a purchase management module, a production management module, an inventory management module, a delivery management module and a transportation management module. The basic information module comprises a manufacturer materialmodule, a warehouse storage module and a basic data module; the production plan module is used for formulating a corresponding production plan by a technical department according to the customer order, counting required materials, judging whether a rough capacity demand plan can be implemented or not according to the production plan and the information of the basic information storage module, andreadjusting the production plan if the rough capacity demand plan cannot be implemented; the purchase management module is used for establishing material receipts needing to be purchased; the production management module is used for managing production to finally generate qualified products; the inventory management module stores material information purchased by the purchase management module, provides material information required by production for the production management module, and stores qualified product information; therefore, the cooperation among departments is smoother.

The invention discloses a vibration feeding sterile capsule screening machine which comprises a feeding device, a dust removal device, a lifting mechanism and a screening device. The feeding device comprises a machine body, a supporting rod, a feeding box, a mesh screen, a discharge plate and a discharge disc, a control box is arranged in the machine body, the supporting rod is arranged on the machine body, the feeding box, the mesh screen and the discharge plate are arranged on the supporting rod, a vibration motor is arranged on the mesh screen and is connected with the control box, the mesh screen is connected with the discharge plate through a vibration spring, the discharge plate is connected with the discharge disc through a first discharge opening, a plurality of scraping plates are arranged in the discharge disc, a rotary shaft is arranged in the center of the discharge disc, the scraping plates are evenly distributed on the rotary shaft, and a second discharge opening is formed in the discharge disc and is connected with the screening device through the lifting mechanism. According to the vibration feeding sterile capsule screening machine, when capsules are fed, dust removal can be carried out on the capsules, ultraviolet sterilization is carried out on the capsules, the capsules sleeved successfully and capsules not sleeved successfully can be distinguished, and quality conformance of the capsules is guaranteed.

The invention discloses a method for extracting resveratrol in polygonum cuspidatum fermentation liquor. The method comprises the following steps: (1) preparing an endophytic fungi L1 spore suspension liquid; (2) preparing a culture medium; (3) fermenting so as to obtain the polygonum cuspidatum fermentation liquor; (4) extracting the polygonum cuspidatum fermentation liquor with ethyl acetate for four times, combining ethyl acetate phases, concentrating till drying so as to obtain a crude resveratrol extract; (5) carrying out chromatography jointly through macroporous resin and silica gel; (6) refining so as to obtain the resveratrol product. The method is simple, has low production cost, slightly pollutes the environment, and is applicable to industrial production. The purity of the resveratrol purified and separated from the polygonum cuspidatum fermentation liquor by the method reaches 92wt%.

The invention provides a method and system for detecting the quality of the main and driven gears in the main reducer of the rear axle of an automobile. The method includes: determining the driving gear and the driven gear to be detected; Dye; Assemble the dye-coated driving gear and the driven gear to the final reducer, and control the rotation of the dye-coated driving gear and the driven gear, during the rotation, the dye-coated driving gear and the driven gear mesh with each other to cause the dye Deformation occurs to form imprints, which characterize the meshing contact surface of the main and passive gears; take pictures of the meshing contact surfaces of the main and passive gears to obtain the meshing contact surfaces of the main and passive gears, and compare the meshing contact surfaces of the main and passive gears with the pre-stored standard template Yes; when the meshing contact surface of the main driven gear is consistent with the standard template, it is determined that the quality of the driving gear and the driven gear is qualified. The invention ensures that the quality of the main gear is qualified and improves the NVH performance of the rear axle of the automobile.

The first purpose of the invention is to provide a forging and pressing method of steel rail heel; a steel rail heel comprises a pre-forging heel and a final forging heel; the pre-forging heel comprises a first section, a second section, and a third section; the final forging heel comprises a fourth section and a fifth section; the method specifically comprises the following steps: implementing a first stage forging and pressing after heating the first section, the second section and the third section, wherein the first two sections are molded by forging and pressing, the third section is pre-deformed; and implementing a second stage forging and pressing after heating the last three sections. The provided forging and pressing method adopts a measure of molding twice, thereby being able to solve the defect that the size of the molded final forging heel is unqualified, as well as greatly reducing the molding force in the entire steel rail heel product molding process. The second purpose of the invention is to provide a three-position molding die with a simple integral structure; a second upper die section inside a pre-forging rail molding cavity and a first pre-forging insert inside a final forging molding cavity are both in detachable structures, thereby meeting different requirements to the three-position molding die in the twice forging and pressing process; the three-position molding die is convenient to be assembled, and strong in practicability.

The invention discloses a formation positioning process of assembly-type annular concrete electric pole connection components. The formation positioning process comprises the following steps: 1) performing binding formation on an electric pole reinforcement cages; 2) performing measurement, correction and welding formation on perpendicularity of a connection plane of connection components and a central axial line of a reinforcement cage framework. According to the formation positioning process disclosed by the invention, formation positioning processes are simplified to a maximum extent, and the correction difficulty is reduced. According to the formation positioning process of assembly-type annular concrete electric pole connection components disclosed by the invention, a splicing processof the connection components is normalized and guided; started with an operation method and a correction process, a simple and feasible process method is adopted, and the formation positioning technological process is normalized, so that the aims of ensuring that a quality requirement on the perpendicularity of the corresponding connection component of each section of electric poles is met and ensuring that the assembly-type annular concrete electric pole connection components is qualified are fulfilled.

The invention discloses an automatic refrigerator door sealing magnetic strip production line which comprises an automatic quantitative material adding device, a single screw extruder, a constant temperature cooling device, a slope-shaped gap bridge connecting plate, a magnetic strip forming cooling device, a gun barrel water blowing device, a magnetizing machine, a detection magnetic strip traction device and an abrasion-proof magnetic strip winding device, wherein the automatic quantitative material adding device is connected with the single screw extruder; the constant temperature cooling device is connected with the single screw extruder; and the slope-shaped gap bridge connecting plate, the magnetic strip forming cooling device, the gun barrel water blowing device, the magnetizing machine, the detection magnetic strip traction device and the abrasion-proof magnetic strip winding device are sequentially arranged on the outer side of the rear of the single-screw extruder. The automatic refrigerator door sealing magnetic strip production line has high overall automation degree, meets the requirement of rapid production, solves the problem that the quality of a magnetic strip is difficult to guarantee by quenching cooling, can quantitatively add materials to ensure the stability of magnetic particle blanking, adopts circulating rewinding transmission cooling in a limited space, ensures the uniform cooling effect of the magnetic strip, and has an automatic ton coil winding magnetic strip mechanism.

The embodiment of the invention provides a method and system for capturing a respiratory cycle in magnetic resonance scanning. According to the embodiment of the invention, when a designated respiratory capture protocol is scanned in the magnetic resonance protocol scanning process, prompting information is displayed on an interface, the captured respiratory cycle is prompted, whether the currentrespiratory cycle of a subject is in a stable state or not, it is determined that trigger conditions are met if the current respiratory cycle of the subject is in the stable state, trigger informationof the captured respiratory cycle is received, the respiratory cycle of the subject is captured according to the trigger information, a scanning operator can be reminded of trigger of the captured respiratory cycle in time and is prevented from forgetting to capture, it is ensured that image acquisition is located in a relatively stable area, re-scanning needed due to more artifacts in images andpoor quality is avoided, and accordingly the working efficiency is improved. The problem is solved to some degree that in the prior art, image quality is not qualified and re-scanning is needed due to the fact that trigger of the captured respiratory cycle is forgotten in the prior art and accordingly the working efficiency is low.

The invention discloses a method for determining manufacturing technological conditions of standard varicosity membranes by testing the oil contents of the varicosity membranes. The method comprises the steps that 1, varicosity membranes of different batches are selected as samples to be extracted and dried for testing the oil contents of the varicosity membranes; 2, contrastive analysis is performed on the tested oil content data by combining different technological conditions such as deoiling oven temperature and the varicosity membrane thickness adopted by the varicosity membranes of different batches; 3, the varicosity membrane of the certain batch with the low oil content and the small difference between the technological conditions and original technological conditions is selected, infrared spectrum detection is performed on a carbon tetrachloride extract solution of the varicosity product manufactured through the membrane of the batch, and if no hydrocarbon substance is detected, the manufacturing technological conditions of the membrane of the batch are determined as the manufacturing technological conditions of the standard varicosity membrane. The method can well determine the setting temperature at which the amount of substance containing hydrocarbon of the varicosity product which cannot be detected by an infrared spectrum is manufactured by a deoiling oven so as to ensure that the final product is qualified in quality.

A method for extracting and refining rutin comprises the following steps of (1) extraction: smashing raw materials, adding organic solvent into the smashed raw materials, performing extraction for 2-4 times, mixing extracting solution and concentrating the mixed extracting solution to thick extract with organic solvent content smaller than or equal to 5wt%; (2) alkali dissolution-acid sediment: adding alkaline water into the thick extract, then heating the mixture and stirring, filtering the heated mixture, regulating pH of alkaline filtrate to be 3-4, standing, filtering, drying to obtain a rutin pure product; and (3) mother liquor treatment: enabling obtained acid mother liquor to penetrate through a chromatographic column filled with resin, after the acid mother liquor penetrates through the chromatographic column, firstly using deionized water to wash a column bed until outflow liquid is neutral and colorless, introducing eluent into the chromatographic column and collecting eluate until outflow liquid is colorless, concentrating the eluate to the volume which is 5-10% of the original volume in a pressure reduction mode, cooling the concentrated eluate to achieve crystallization, filtering, using the deionized water to elute a filter cake, and drying the eluted filter cake to obtain a mother liquor rutin product. The prepared rutin is high in yield and purity, and the quality of the rutin reaches the international standard.

The invention belongs to the field of petroleum refining, discloses an intelligent atmospheric and vacuum distillation system, and realizes digitization, automation, intelligentization and closed-loop operation optimization of an atmospheric and vacuum distillation device from planning to production operation. The system mainly comprises an atmospheric and vacuum AI model, a planning module, a communication optimization module and an intelligent execution module. According to the method, technologies such as artificial intelligence, big data, mathematical modeling and optimization, process integration and the like are comprehensively applied, and the atmospheric and vacuum AI model capable of accurately describing the atmospheric and vacuum dynamic production process is established on the basis of historical data of the production process. A planning module is established on the basis of the model, and a feasible material distribution decision is provided; meanwhile, a through disk optimization module is established on the basis of the model, and an optimal operation scheme decision is provided; and the intelligent execution module automatically executes the decision to realize closed-loop operation of the device. Intelligent integrated operation of the system is realized from planning, operation optimization and intelligent execution.

The invention provides a traditional Chinese medicine continuous dry granulation system and granulation method. The continuous dry granulation system comprises a feeding assembly for forming continuous granulation, material mixing equipment, a dry granulation machine, particle screening equipment and particle split charging equipment; the continuous dry granulation system comprises material uniformity inspection equipment used for inspecting the uniformity of a mixed material obtained by mixing of the material mixing equipment, and particle parameter inspection equipment used for inspecting parameters of qualified traditional Chinese medicine particles screened by the particle screening equipment. By adopting the continuous production equipment, the transfer and temporary storage of materials can be reduced, continuous production is realized, the problems of dust and the like in production are solved, and the production efficiency is improved; in addition, inspection equipment is arranged at a key position to monitor the state of materials in production in real time, so that closed-loop control can be formed by feeding back detected data, parameters of corresponding equipment are effectively adjusted, continuous and intelligent production is realized, and the quality is ensured to be qualified.

The invention discloses a motor rotating speed control method, equipment and a readable storage medium. The motor rotating speed control method is applied to spinning equipment. The spinning equipmentcomprises a shifting fork structural part and a yarn guide motor, wherein the yarn guide motor drives the shifting fork structural part to operate. The motor rotating speed control method comprises the steps of: acquiring a reference linear speed of yarns in the spinning equipment operating in a preset direction, and determining a reference motor rotating speed of the shifting fork structural part at a preset position according to the reference linear speed; acquiring a real-time position angle between the shifting fork structural part and the preset position in the operation process; and controlling an output rotating speed of the yarn guide motor according to the reference motor rotating speed and the real-time position angle. By adopting the motor rotating speed control method, the output rotating speed of the yarn guide motor is controlled through the reference motor rotating speed and the real-time position angle at the preset position, thereby guaranteeing that yarn operates atthe reference linear speed in the operation process of the shifting fork structural part, avoiding uneven yarn density, and guaranteeing that the quality of the produced yarn is qualified.

The invention relates to an iron symbiotic non-ferrous metal copper-lead-zinc comprehensive recovery process. The process comprises the following steps of carrying out medium-weak activation and weak collection on copper-lead-zinc mixed flotation, strongly removing chemicals, separating low-concentration copper from lead and zinc, and separating lead and zinc minerals by using a small-stroke large-stroke-frequency micro-fine mud shaking table. By means of hydrophobicity of copper-lead-zinc minerals after iron separation, copper-lead-zinc weak activation and weak collection complete mixed separation is achieved, the agent cost is saved, and the problems that due to strong activation and strong collection of a traditional process, the technical index of copper and lead-zinc separation is poor, and concentrates are high in mutual content are solved; copper is separated from lead and zinc by adopting low-concentration strong reagent removal, and copper and lead and zinc minerals are separated by utilizing the natural floatability of copper minerals on the basis of cleaning and activation of dilute sulfuric acid and pyrosulphurous acid; and lead-zinc concentrate adopts the micro-fine mud shaking table, the separation process of micro-particle lead-zinc minerals is strengthened by small stroke, large stroke-frequency and no flushing water, single lead concentrate and zinc concentrate are obtained, and the problems that the single lead concentrate and zinc concentrate cannot be obtained through iron-symbiotic copper-lead-zinc separation, the separation efficiency is low, the concentrate mutual content is high, and the concentrate value is low are solved.

The invention relates to a swing arm elevated working platform square wood multi-chip saw which comprises a frame. Both an inlet end and an outlet end of the frame are provided with a conveying mechanism for conveying square wood through a conveying spindle, one end of each conveying mechanism is positioned on the outer side of the frame, the other end of each conveying mechanism extends into the frame, a cutting saw blade is arranged between the conveying mechanisms and mounted in the middle of the inner side of a machine tool, a swing shaft for supporting each conveying mechanism is arranged on the corresponding conveying mechanism and positioned obliquely below one side of the corresponding conveying spindle, two ends of each swing shaft are connected with the corresponding conveying spindle through a connecting rod, the swing shafts are mounted on the frame, the conveying spindles are respectively connected with a lifting mechanism for driving the conveying mechanisms to vertically move, and the lifting mechanisms are connected in a matched manner through a driving connecting rod to realize synchronous driving. The swing arm elevated working platform square wood multi-chip saw has the advantages that the saw is simple in structure and easy to implement, and planeness of the conveying mechanisms can be kept consistent.

The invention discloses a hydraulic machine and an application method thereof, belongs to the field of pressing machines, and aims to solve the problem of the pressure of a conventional hydraulic machine cannot be further improved due to the limit of oil cylinder volume. The hydraulic machine comprises a machine body, an oil cylinder, a sliding block and a worktable; the worktable is arranged on the lower side of the 'C'-shaped opening direction of the machine body; the hydraulic machine further comprises a beam arm and a guiding slideway; the beam arm is arranged at the top of the machine body; a second pin shaft hole and a fourth pin shaft hole are respectively formed in the two ends of the beam arm; an oil cylinder seat is arranged on the lower side at the opposite end of the 'C'-shaped opening direction of the machine body; one end of the oil cylinder is connected onto the oil cylinder seat through a first pin shaft, and the other end of the oil cylinder is connected onto the second pin shaft hole through a second pin shaft; one end of the sliding block is connected onto the fourth pin shaft hole through a fourth pin shaft, and the other end of the sliding block penetrates through the guiding slideway and faces and is perpendicular to the worktable. The bottleneck that the tonnage of the conventional hydraulic machine is limited by the oil cylinder volume is broken through, the pressure of the hydraulic machine is further increased, meanwhile, the production cost is not increased, the use is relatively flexible, and the production efficiency is improved.

The invention discloses a cutting device for aerated bricks. The cutting device comprises a machine base, a transverse cutting frame and a vertical cutting frame. The transverse cutting frame and the vertical cutting frame are arranged above the machine base and are each a hollow cuboid frame. The vertical cutting frame is sleeved with the transverse cutting frame. A door-frame-shaped mobile rack is arranged on the transverse cutting frame. Stand columns are arranged on the two sides of the door-frame-shaped mobile rack. A first cutting steel wire set is arranged between the stand columns. Sliding blocks are arranged on the outer side faces of the stand columns on the two sides of the door-frame-shaped mobile frame. The transverse cutting frame is provided with sliding grooves where the sliding blocks are installed. A second cutting steel wire set arranged vertically and transversely is arranged on the bottom face of the vertical cutting frame. The problems that an existing aerated brick cutting machine is low in production efficiency, and because adhesion is likely to occur when the aerated brick maintenance time is too short, products are not qualified are solved.

The invention discloses a steel plate bending device. The steel plate bending device comprises a bottom plate. A hydraulic cylinder is attached to the central position of the top end of the bottom plate. An ejection rod is fixed to the top end of the hydraulic cylinder. Top plates are attached to the left side and the right side of the top end of the ejection rod separately. A first rotary shaft is fixed to the joint of the two top plates. According to the steel plate bending device, a to-be-machined steel plate is placed on the top plates through the cooperation between the top plates and thefirst rotary shaft, and the steel plate can be pushed by the hydraulic cylinders to be bent; the ends of the steel plate are fixed through the cooperation between lugs and rubber blocks and the cooperation between clamping plates and vertical rods; the position of a bolt in a nut is adjusted through the cooperation between a protractor and a pointer and the cooperation between the bolt and the nut till the protractor is attached to the to-be-machined steel plate to roughly measure the bending angle of the steel plate, so that it is ensured that the machine steel plate is qualified; and operation is easy, the practicability is high, and popularization is facilitated.